JP6925810B2 - Label generator and label manufacturing method - Google Patents

Description

The present invention relates to a label generating apparatus and a label manufacturing method for producing individual labels by cutting a tubular label base material which is folded into a sheet to form a long strip to a predetermined length.

Conventionally, a label base material in which tubular labels having the same printing (characters, patterns, etc.) repeatedly printed in the longitudinal direction at a predetermined pitch are continuously connected is intermittently conveyed in a sheet-like state and transported to a disk. A label generator is known in which individual labels are sequentially separated from the label base material by moving the rotary blade in the shape laterally with respect to the label base material.

For example, in Republishing No. 2013/54668, the label base material is intermittently conveyed to the label base material cutting position in the vertical direction, and the disc-shaped rotary blade is rotated to cross the label base material cutting position. In a label generator that revolves around the label base material and cuts the label base material in the width direction with a rotary blade, the revolving speed of the label base material cutting period and the revolving speed of the label base material transport period are maintained without changing the revolving cycle of the rotary blade. A label generator is described in which the ratio between the label base material cutting period and the label base material transport period is changed within the revolution cycle.

Republished No. 2013/54668

In recent years, there are various types of containers (for example, PET (polyethylene terephthalate) bottles) to which a tubular label is fitted, such as a body diameter and a body outer peripheral shape, and the inner diameter of the opened label is appropriately adjusted accordingly. Need to be changed to. The larger the label inner diameter, the larger the width dimension or folding diameter of the label base material folded into a sheet shape, and conversely, the smaller the label inner diameter, the smaller the width direction dimension or folding diameter of the label base material.

When the width direction dimension of the label base material is changed in this way, the position of the label base material intermittently conveyed in the vertical direction and the rotary blade revolving in the horizontal direction in the conventional label generation device as described above are used. The distance from the center axis of revolution was fixed (that is, a constant value). Therefore, when the width direction dimension of the label base material is changed, the approach state (entry position, approach angle) of the rotary blade with respect to the label base material cannot be made the same. It is conceivable to replace the label base material with rotary blades having different diameters according to the change in the width direction dimension, but it is necessary to prepare a large number of rotary blades having different diameters, and the rotary blade replacement work. Is complicated.

An object of the present invention is an approach state (entry position, approach angle) of a rotary blade that revolves and cuts so as to cross the label base material with respect to the label base material even when the width direction dimension of the label base material is changed. Is to provide a label generator and a label manufacturing method which can be easily changed.

The label generator according to the present invention includes a pair of upper feed rollers and a pair of lower feed rollers that intermittently convey a tubular label base material made of a resin film that is folded into a sheet to form a long strip. A label generating apparatus comprising a cutting apparatus for cutting a label base material to generate individual labels at a cutting position between the upper feed roller pair and the lower feed roller pair. Includes a swivel arm and a disk-shaped rotary blade provided at the end of the swivel arm so that it can be driven to rotate. The label generator is configured to cut the label base material at the peripheral edge of the label base material, and the label generator is rotated to change the state of entry of the rotary blade into the label base material when the width direction dimension of the label base material is changed. The rotary blade approach state changing means is provided with a blade approach state changing means, and the rotary blade approach state changing means moves the revolving circular orbital position of the peripheral edge of the rotary blade in a direction away from the label base material when the width direction dimension of the label base material becomes narrow. , When the width direction dimension of the label base material becomes wider, the revolving circular orbital position of the peripheral edge of the rotary blade is moved to the label base material side, and the approach position of the rotary blade with respect to the label base material is the width direction of the label base material. It is set at a position several mm to 10 mm inward from the end and the approach angle is set in the range of 15 degrees to 45 degrees . Here, the approaching state of the rotary blade with respect to the label base material refers to the approaching position, approaching angle, etc. of the rotary blade.

Further, in the label generation device according to the present invention, the rotation direction of the rotary blade is preferably the direction opposite to the revolution direction of the rotary blade.

In this case, the rotation speed of the rotary blade is preferably set to 3 to 7 times the revolution rotation speed of the rotary blade.

Further, in the label generating device according to the present invention, the rotary blade approach state changing means is configured by a moving mechanism that moves the position of the moving frame that supports the cutting device including the swivel arm and the rotary blade with respect to the fixed frame. Alternatively, it may be configured by a changing mechanism that changes the arm length from the rotation center axis of the swivel arm to the rotation center position of the rotary blade.

Further, in the label generation device according to the present invention, a clamp device for clamping the label base material at positions near the upper and lower sides of the cutting position may be provided , and the actuator of the clamp device may be composed of a voice coil motor.

When a voice coil motor is used as the actuator of this clamping device, the label base material can be clamped and released with sufficient clamping force and in a short time, and it is possible to sufficiently cope with a high label generation speed.

In the label manufacturing method, which is another aspect of the present invention, a disk-shaped rotary blade that rotates by transporting a tubular label base material, which is folded into a sheet to form a long strip, to a cutting position by a predetermined length is used as one. by cutting the label substrate to each rotation revolution, a label manufacturing method of manufacturing individual labels, the peripheral edge of the rotary blade to revolve while rotating the number from the widthwise end portion of the label base material The label is cut by entering the label substrate at a position closer to the inside by mm to 10 mm and with an approach angle of 15 to 45 degrees.

Further, in the label manufacturing method according to the present invention, the rotation direction of the rotary blade is preferably the direction opposite to the revolution direction of the rotary blade.

According to the label generator according to the present invention, the rotary blade approach state changing means is provided, and when the width direction dimension of the label base material is changed, the approach state (entry position, approach angle) of the rotary blade with respect to the label base material is changed. The approach position of the rotary blade with respect to the label substrate can be changed to a position several mm to 10 mm inward from the widthwise end of the label substrate, and the approach angle can be changed in the range of 15 degrees to 45 degrees. .. Therefore, it is possible to easily and quickly adjust the label base material having different dimensions in the width direction. Further, by expanding the dimensional range in the width direction of the applicable label base material, the versatility of the label generator is improved.

Further, according to the label manufacturing method according to the present invention, even when the label base material is made of a thin and soft film material, the cut end portion of the label can be cut cleanly without being disturbed.

It is a right side view of the label generation apparatus which is 1st Embodiment of this invention. It is a figure which shows the 1st feed roller pair, the 2nd feed roller pair, and the 3rd feed roller pair included in a label generation apparatus. It is the figure which looked at the cutting device from the upper side. It is the figure (excluding the fixed frame) which looked at the cutting device from the right side. It is the figure which looked at the label generator from the front side. It is a figure which looked at the right side surface side from the ZZ line of FIG. It is a block diagram which shows the electrical structure of a label generator. It is (a) a partially enlarged view and (b) top view which shows the revolution circular orbit position of a rotary blade at the time of cutting a label base material of width direction dimension W1 in a cutting apparatus. (A) is a top view showing the orbital position of the revolving circular orbit of the rotary blade when cutting the label base material having the width direction dimension W2 smaller than that of FIG. 8B in the cutting device, and FIG. 8B is FIG. 8B. It is a top view which shows the revolution circular orbit position of the rotary blade at the time of cutting the label base material of the width direction dimension W3 larger than). It is a figure for demonstrating the rotation direction and the rotation speed of a rotary blade. (A) and (b) are diagrams showing a modified example in which the orbital position of the revolving circular orbit of the rotary blade is changed by adjusting the length of the swivel arm in the cutting device. It is a right side view of the label generation apparatus which is 2nd Embodiment of this invention. (A) is a top view of the clamp device shown in FIG. 12, and (b) is a side view of the clamp device. (A) and (b) are a top view and a side view showing a state in which the clamping device clamps the label base material. (A) is an enlarged side view showing a state when the label base material is cut by the cutting device of the second embodiment, and (b) is a side view when the label base material is cut by the cutting device of the comparative example. It is a side view which shows the state of this in an enlarged manner. It is a top view which shows the specific example of the rotation angle position of the rotary blade in the cutting apparatus of 2nd Embodiment. It is a timing chart which shows the operation of the 1st and 2nd feed roller pairs, a rotary blade, and a clamp device.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings. In this description, specific shapes, materials, numerical values, directions, etc. are examples for facilitating the understanding of the present invention, and can be appropriately changed according to applications, purposes, specifications, and the like. In addition, when a plurality of embodiments and modifications are included in the following, it is assumed from the beginning that those characteristic portions are appropriately combined and used.

<First Embodiment>
FIG. 1 is a right side view of the label generation device 10 according to the first embodiment of the present invention. FIG. 2 is a diagram showing a first feed roller pair, a second feed roller pair, and a third feed roller pair included in the label generation device 10.

The label generation device 10 generates individual labels L by cutting a tubular label base material LS, which is folded into a sheet to form a long strip, by a predetermined length. The individual labels L generated by the label generation device 10 are supplied to a label mounting device (not shown), and are fitted around a container such as a PET bottle in an opened state.

The label base material LS unwound from the label base material supply device (not shown) is wound around the surface of the support member 2 by about 1/4 turn, so that the transport direction is, for example, vertically downward (arrow α direction) from the horizontal direction. Is changed and supplied to the label generation device 10.

As shown in FIGS. 1 and 2, the label generator 10 has a first feed roller pair 12, a second feed roller pair 14, and a third feed roller pair 16 in this order from the top along the transport direction of the label base material LS. To be equipped. Each feed roller pair 12, 14, 16 is composed of a drive roller 12a, 14a, 16a and a driven roller 12b, 14b, 16b provided in contact with each other. Motors 13, 15 and 17 are connected to the drive rollers 12a, 14a and 16a of each feed roller pair 12, 14 and 16, respectively. As a result, the drive rollers 12a, 14a, 16a of each feed roller pair 12, 14, 16 are intermittently rotationally driven by the motors 13, 15 and 17, so that the label base material LS is moved to each feed roller pair 12, It is configured to be intermittently transported by a predetermined length while being sandwiched between 14 and 16. The second feed roller pair 14 and the third feed roller pair 16 correspond to the "upper feed roller pair" and the "lower feed roller pair" in the present invention.

A mark sensor 18 is arranged between the first feed roller pair 12 and the second feed roller pair 14. The mark sensor 18 is for detecting the reference mark M printed in each label L on the label base material LS between the first feed roller pair 12 and the second feed roller pair 14. The mark sensor 18 optically detects the presence or absence of the reference mark M, for example, and a reflective type or a transmissive type is used. The detection result of the mark sensor 18 is output to a control unit described later.

As shown in FIG. 2, the label base material LS has a long strip shape when the tubular label L attached to the container is continuously connected and folded into a sheet shape. The label base material LS (that is, label L) is formed of, for example, a highly elastic resin film having an elastic deformation rate of about 40 to 50%. Alternatively, the label base material LS may be formed of a heat-shrinkable resin film. Each label L included in the label base material LS is printed with the trade name and design of the container to which the label L will be fitted, and the reference mark M. The label base material LS is generated into individual labels L having a predetermined length by being cut at a cut position C located in the middle of the transparent portion adjacent to the reference mark M.

Referring to FIG. 1 again, the label generation device 10 further includes a cutting device 20. The cutting device 20 is for cutting individual labels L from the label base material LS at the label base material cutting position K between the second feed roller pair 14 and the third feed roller pair 16. The cutting device 20 in the present embodiment is configured to revolve the rotating disk-shaped rotary blade 22 around the rotation center axis O in a substantially horizontal direction. As a result, the rotary blade 22 moves so as to cross the label base material LS at the label base material cutting position K for each revolution, and as a result, individual label Ls are cut and formed from the label base material LS. The details of the cutting device 20 will be described later.

A label transfer device 90 is provided below the label generation device 10. The label transfer device 90 sequentially transfers the label L generated by the label generation device 10 to the label delivery position β located vertically below. The label transport device 90 is hung on a guide roller 91 provided near the third feed roller pair 16 and at the label delivery position β, a pulley 92 rotated in the direction of an arrow by driving a feed motor (not shown), and a pulley 92. Two feed belts 93 (only one is shown), a suction mechanism unit 94 for sucking and holding the label L on the feed belt 93, and a suction mechanism by sequentially bringing the label L into close contact with the feed belt 93 from the lower end to the upper end. It is composed of a suction assisting unit 95 that assists the suction holding operation of the label L on the feed belt 93 by the unit 94.

A constant tension is applied to the feed belt 93 by the tension roller 96, and the feed belt 93 circulates between the vicinity of the third feed roller pair 16 and the label delivery position β. The feed belts 93 are arranged parallel to each other in the vertical direction at intervals narrower than the width of the label L to be conveyed. Each feed belt 93 is formed with a large number of suction holes at regular intervals along the longitudinal direction at the center in the width direction.

The suction mechanism unit 94 has suction chambers 94a and 94b arranged along the feed belts 93 between the guide rollers 91 and 91, respectively. A suction device such as a compressor is connected to the suction chambers 94a and 94b via the connection port 97. As a result, the suction force acts on the suction holes of the feed belt 93 through the suction ports that open in the contact surfaces of the suction chambers 94a and 94b with the feed belt 93.

The suction assisting portion 95 is provided so as to face each feed belt 93 with the transport path of the label L interposed therebetween, and includes two pairs of pressing rollers 98, two guide rollers 99a and 99b, and a motor (not shown). It is composed of a belt 101 that is hung on a pulley 100 that is rotated by driving the belt 101, and a tension applying mechanism 102 for applying tension to the belt 101. The belt 101 driven by the pulley 100 rotating in the direction of the arrow is set to circulate and move at the same speed as the moving speed of the feed belt 93. The pressing roller 98 presses the label L toward the feed belt 93 via the belt 101 in order to bring the label L sent out from the third feed roller pair 16 into close contact with the feed belt 93.

A label delivery device 110 is installed below the label transfer device 90. The label delivery device 110 is for receiving the label L transported to the label delivery position β by the label transfer device 90 and delivering it to a label mounting device (not shown). The label delivery device 110 includes a plurality of take-up members 112 that attract and hold the label L. The take-up member 112 passes through the label delivery position β by rotating and moving by a drive mechanism (not shown). At this time, the label L is delivered from the label transport device 90 to the take-up member 112. After that, the label L is conveyed to the label mounting device while being sucked and held by the take-up member 112.

Next, the cutting device 20 of the label generation device 10 of the present embodiment will be described. FIG. 3 is a view of the label generation device 10 from above, and FIG. 4 is a view of the label generation device 10 from the right side (excluding the fixed frame). Further, FIG. 5 is a view of the label generating device 10 as viewed from the front side, and FIG. 6 is a view of the right side of the label generating device 10 as viewed from the ZZ line of FIG.

The cutting device 20 intermittently conveys the label base material cutting portion 24 that cuts the label base material LS laterally by the rotary blade 22 and each cut position C of the label base material LS to the label base material cutting position K. It is provided with a base material transport unit 26. Here, the label base material conveying section 26 is composed of the second feed roller pair 14 and the third feed roller pair 16 described above (see FIGS. 1 and 2).

The label base material cutting portion 24 has a rotary blade 22 that revolves while rotating on a circumference having a predetermined radius R from the rotation center axis O in the vertical direction. The rotary blade 22 intersects the label base material LS when moving in a predetermined range of the revolving orbit (the range sandwiched between the direction of the position S and the direction of the position E in FIG. 3), and crosses the label base material LS in the width direction. Or cut laterally. Therefore, as shown in FIG. 4, the label base material cutting position K is provided at a height position on a plane on which the rotary blade 22 of the label base material cutting portion 24 revolves.

The rotary blade 22 is rotatably attached to one end of a plate-shaped swivel arm 30 fixed at an intermediate position of a support shaft 28 rotatably arranged on the base plate 27. The radius of the rotary blade 22 is approximately 3/5 of the revolution radius R. The rotary blade 22 is fixed to the lower end of the rotary shaft 32 rotatably attached to the swivel arm 30. A dummy blade 22d is attached to a position symmetrical with respect to the rotary blade 22 at the other end of the swivel arm 30. The dummy blade 22d functions as a balancer for suppressing the swing of the rotary blade 22 in the revolution operation.

A pulley 36 for transmitting the rotational force of the motor 34 for revolving the rotary blade 22 is fixed to the lower end of the support shaft 28. The motor 34 is arranged at a predetermined position closer to the back side than the support shaft 28 of the base plate 27. A timing belt 38 is bridged between the rotor 34a of the motor 34 and the pulley 36. The motor 34 is a servomotor whose speed is controlled by a servo mechanism.

When the label generator 10 is operated, the motor 34 rotates counterclockwise at a predetermined speed, and as shown in FIG. 4, the rotational force of the motor 34 is transmitted to the support shaft 28 by the timing belt 38, and the support shaft 28 rotates counterclockwise. As shown in FIG. 3, the rotation of the support shaft 28 causes the swivel arm 30 to rotate counterclockwise (in the direction of arrow r1). As a result, the rotary blade 22 attached to the tip of the swivel arm 30 revolves counterclockwise (in the direction of arrow r4) on a circular orbit having a radius R from the support shaft 28. In FIG. 3, the revolution circular orbit position T of the peripheral edge portion 22a of the revolving rotary blade 22 is indicated by a chain double-dashed line.

A motor 40 for rotating the rotary blade 22 is provided on the upper side of the swivel arm 30 of the support shaft 28. The support shaft 28 is rotatably provided with a rotational force relay member 42 for relaying the rotational force of the motor 40 to the rotary blade 22. The motor 40 is arranged at a predetermined position closer to the left side surface side than the support shaft 28 of the moving frame 44 made of a plate material. The base end portion 45 of the moving frame 44 is attached to the fixing frame 21 of the label generation device 10 by, for example, a bolt or the like. The moving frame 44 that supports the label base material cutting portion 24 including the rotary blade 22 can be moved back and forth with respect to the label base material LS by a moving mechanism described later.

A belt 46 is bridged between the rotor 41 of the motor 40 and the upper portion of the rotational force relay member 42. On the other hand, a belt 48 is bridged between the lower portion of the rotational force relay member 42 and the upper portion of the rotary shaft 32 that supports the rotary blade 22. The motor 40 is a servomotor whose speed is controlled by a servo mechanism.

When the label generator 10 is operated, the motor 40 rotates clockwise (in the direction of arrow r2) at a predetermined speed in FIG. The rotational force of the motor 40 is transmitted to the rotational force relay member 42 by the belt 46, and further transmitted to the rotary shaft 32 by the belt 48. As a result, the rotary shaft 32 rotates clockwise, and the rotary blade 22 fixed to the lower end of the rotary shaft 32 rotates clockwise (in the direction of arrow r3).

In the label base material cutting portion 24 of the cutting device 20, the base plate 27, the intermediate portion of the support shaft 28, the swivel arm 30 attached to the intermediate portion, and the rotational force relay member 42 are as shown in FIG. The sides are covered by the cover member 50 having the side wall portion 50a. The side wall portion 50a is fixed to the base end portion 45 and the tip end portion 47 of the moving frame 44 by, for example, bolts or the like. Therefore, the cover member 50 can move integrally with the moving frame 44.

The side wall portion 50a of the cover member 50 is formed in a shape and size that does not interfere with the revolution circular orbit position T of the rotary blade 22. In the present embodiment, the side wall portion 50a has a substantially octagonal shape when viewed from above. However, the present invention is not limited to this, and the side wall portion 50a may be formed in another shape such as a cylindrical shape.

Further, the side wall portion 50a of the cover member 50 has an opening 52 facing the label base material conveying portion 26 side. The revolving rotary blade 22 cuts the label base material LS at the label base material cutting position K when it revolves around a position exposed to the outside from the opening 52 of the side wall portion 50a.

Further, the cover member 50 has an upper wall portion 50b and a lower wall portion 50c that cover above and below the revolution region (excluding the outside of the opening 52) of the rotary blade 22 that is revolved by the swivel arm 30. A motor 40 for rotation is projected and installed on the upper side of the upper wall portion 50b, and a motor 34 for public rotation, a pulley 36, and the like are arranged on the lower side of the lower wall portion. In this way, except for the label base material cutting position K, the revolving rotary blade 22 is covered with the cover member 50, so that the safety of the label generation device 10 for the operator is improved.

As shown in FIG. 5, the label base material cutting position K is located at the center of the distance between the second feed roller pair 14 and the third feed roller pair 16. A protective member 54 for guiding and protecting the rotary blade 22 when the rotary blade 22 cuts the label base material LS can be attached and detached between the second feed roller pair 14 and the third feed roller pair 16. It is installed. As shown in FIG. 6, a groove 55 into which the rotary blade 22 is fitted is provided on the side surface of the protective member 54 facing the rotary blade 22.

The third feed roller pair 16 cooperates with the second feed roller pair 14 to apply a constant tension to the label base material LS while the rotary blade 22 cuts the label base material LS, and the tip of the third feed roller pair 16 is tipped from the label base material LS. When the label L is separated, it functions to transport the label L to the downstream side. In the first feed roller pair 12 and the second feed roller pair 14, after the third feed roller pair 16 starts the transfer of the label L, the label base material LS starts to be conveyed with a slight delay, and the label base material LS starts to be conveyed. When the tip is nipped into the third feed roller pair 16, it functions in cooperation with the third feed roller pair 16 to convey the next cut position C of the label base material LS to the label base material cutting position K.

Referring to FIG. 3 again, the cutting device 20 changes the rotary blade 22 so that the approach state to the label base material LS is the same even when the width direction dimension W of the label base material LS is changed. Further provided with means for changing the approach state. In the present embodiment, the rotary blade approach state changing means changes the approach state of the rotary blade 22 with respect to the label base material LS by changing the revolution circular orbit position T of the peripheral portion of the rotary blade 22 with respect to the label base material LS. NS. More specifically, in the rotary blade approach state changing means, the peripheral edge portion of the rotary blade 22 is first with the label base material LS at a predetermined position closer to the inside from the widthwise end portion of the label base material LS in the rotary blade approach state. A moving mechanism 60 that moves the position of the moving frame 44 that supports the label base material cutting portion 24 of the cutting device 20 including the swivel arm 30 and the rotary blade 22 with respect to the fixed frame 21. Consists of.

The moving mechanism 60 includes a slide guide 45a arranged along the fixed frame 21 of the label generating device 10. The slide guide 45a is fixed to the base end portion of the moving frame 44 by, for example, a bolt or the like. The slide guide 45a has a guide portion 45c that is slidably engaged with the guide rail 23 provided on the fixed frame 21. As a result, the moving frame 44 is provided so as to be slidable along the fixed frame 21 in the direction of the arrow X.

The rotation center axis O of the support shaft 28 rotatably supported by the moving frame 44 faces the center in the width direction of the label base material LS. As a result, when the moving frame 44 moves back and forth with respect to the label base material LS, the rotation center axis O of the support shaft 28, which is the revolution center of the rotary blade 22 supported by the moving frame 44, becomes the center in the width direction of the label base material LS. Move on the vertical line passing through. As a result, the revolution circular orbit position T of the rotary blade 22 with respect to the label base material LS is changed in the direction perpendicular to the surface of the label base material LS. In the present embodiment, since the label base material LS is intermittently conveyed along the vertical direction, the revolution circular orbit position T of the rotary blade 22 is changed in the horizontal direction. The moving frame 44 is fixed in an immobilized state by a fixing handle (not shown) after its position is adjusted by a screw feed mechanism described later.

A female screw hole 45b is formed on the end surface of the slide guide 45a, and one end of the feed screw 64 is screwed into the female screw hole 45b. The feed screw 64 is rotatably supported in a penetrating state by a screw support member 66 erected on the fixed frame 21. A pulley 68 is attached to the other end of the feed screw 64. A shaft support member 70 is arranged adjacent to the side of the pulley 68. The shaft support member 70 is erected on the fixed frame 21. The shaft support member 70 rotatably supports the shaft 71 in a penetrating state. A pulley 72 is attached to one end of the shaft 71, and a timing belt 74 is wound around the pulley 72 and the pulley 68. A handle 76 with a counter is connected to the other end of the shaft 71.

In the moving mechanism 60 configured in this way, when the operator rotates the handle 76 with a counter, the pulley 72 rotates via the shaft 71. This rotation is transmitted to the pulley 68 via the timing belt 74, and the feed screw 64 rotates. As a result, the screwing depth of the feed screw 64 with respect to the female screw hole 45b changes according to the amount of rotation of the feed screw 64, so that the moving frame 44 moves along the arrow X direction. Here, the amount of rotation of the handle 76 with a counter can be found by reading the counter value. Therefore, when the label base material LS has a different width direction dimension, the label can be rotated by rotating the counter-equipped handle 76 so that the counter value corresponding to the width direction dimension of the changed label base material LS is displayed. The initial contact position of the rotary blade 22 with respect to the base material LS can be set to a desired position. After the rotation operation of the handle 76 with a counter is completed, it is preferable to operate and fix the fixing handle (not shown) so that the shaft 71 does not rotate with respect to the shaft support member 70.

In the present embodiment, the case where the operator manually operates the moving mechanism 60 will be described, but the present invention is not limited to this, and the feed screw 64 is rotated by a motor to determine the revolution circular orbit position of the rotary blade 22. You may change it. In this case, when the width direction dimension of the label base material LS is input or set through the operation display panel described later, a motor (not shown) is rotationally driven accordingly, and the revolution circular orbit position can be automatically adjusted.

FIG. 7 is a block diagram showing an electrical configuration of the label generator 10. In the figure, the same members as those shown in FIGS. 1 to 6 are designated by the same reference numerals.

The label generation device 10 includes a control unit 80. The control unit 80 functions to collectively control the transport operation of the label base material LS by the motors 13, 15 and 17 of the label generation device 10 and the cutting operation of the label base material LS by the rotary blade 22. The control unit 80 is composed of a microcomputer including a CPU (Central Process Unit), a ROM (Read Only Memory), and a RAM (Random Access Memory). By executing the control program of the label base material cutting operation stored in the ROM by the CPU, the label base material LS cutting operation of the rotary blade 22 in the label base material cutting portion 24 and the first to third feed roller pairs 12, The intermittent transfer operation of the label base material LS by 14 and 16 is controlled.

The main control unit 81 is electrically connected to the control unit 80. The main control unit 81 has a function of comprehensively controlling the label mounting operation in the label mounting device that mounts the label L generated by the label generating device 10 on the container. The control unit 80 controls the label generation operation by mutually transmitting and receiving control signals and data related to the label mounting operation with the main control unit 81.

A servo amplifier 82a that controls a motor 13 for rotationally driving the first feed roller pair 12 is connected to the control unit 80. When the control unit 80 outputs a control signal for rotating the first feed roller pair 12 to the servo amplifier 82a, the servo amplifier 82a outputs a drive signal to the motor 13, whereby the motor 13 is rotationally driven. The first feed roller pair 12 rotates. Further, the detection signal of the pulse encoder 13a attached to the motor 13 is input to the control unit 80.

A servo amplifier 82b that controls a motor 15 for rotationally driving the second feed roller pair 14 is connected to the control unit 80. When the control unit 80 outputs a control signal for rotating the second feed roller pair 14 to the servo amplifier 82b, a drive signal is output from the servo amplifier 82b to the motor 15. As a result, the motor 15 is rotationally driven, and the second feed roller pair 14 rotates. Further, a detection signal of the pulse encoder 15a attached to the motor 15 is input to the control unit 80. As described above, the second feed roller pair 14 can be controlled independently of the first feed roller pair 12.

A servo amplifier 82c that controls a motor 34 for revolving the rotary blade 22 of the cutting device 20 is connected to the control unit 80. When the control unit 80 outputs a control signal for rotating the rotary blade 22 to the servo amplifier 82c, a drive signal is output from the servo amplifier 82c to the motor 34, whereby the motor 34 is rotationally driven and the rotary blade is driven. 22 revolves. A pulse encoder 34a attached to the motor 34 is connected to the control unit 80, and a detection signal of the pulse encoder 34a is input.

A servo amplifier 82d that controls a motor 40 for rotating the rotary blade 22 of the cutting device 20 is connected to the control unit 80. When the control unit 80 outputs a control signal for rotating the rotary blade 22 to the servo amplifier 82d, the servo amplifier 82d outputs a drive signal to the motor 40, whereby the motor 40 is rotationally driven to rotate. The blade 22 rotates. Further, a pulse encoder 40a attached to the motor 40 is connected to the control unit 80, and a detection signal of the pulse encoder 40a is input.

A servo amplifier 82e that controls a motor 17 for rotationally driving the third feed roller pair 16 is connected to the control unit 80. When the control unit 80 outputs a control signal for rotating the third feed roller pair 16 to the servo amplifier 82e, the servo amplifier 82e outputs a drive signal to the third feed motor 17, whereby the motor 17 Is rotationally driven, and the third feed roller pair 16 rotates. Further, the detection signal of the pulse encoder 17a attached to the motor 17 is input to the control unit 80. As described above, the third feed roller pair 16 can be controlled independently of the first feed roller pair 12 and the second feed roller pair 14.

The mark sensor 18 is connected to the control unit 80, and the output signal of the mark sensor 18 is input. The control unit 80 detects the reference mark M of each label L on the label base material LS between the first feed roller pair 12 and the second feed roller pair 14 by the mark sensor 18 based on the output signal from the mark sensor 18. It is designed to recognize the timing. The control unit 80 calculates the transport amount of the label base material LS based on the timing at which the reference mark M is detected, and the first to third feed rollers so that the label base material LS intermittently transports the calculated transport amount. The motors 13, 15 and 17 of the pair 12, 14 and 16 are controlled.

An operation display panel 84 is connected to the control unit 80 so that the operator can make various settings related to the label generation operation and display the state of the label generation operation. The operation display panel 84 has a touch panel type display unit, for example, the operator can generate the label L through the touch panel (for example, the number of labels generated per minute), the width direction dimension of the label base material LS, and the rotation. When the rotation speed of the blade 22 or the like is input and operated, an operation signal corresponding to the input operation is output to the control unit 80. Further, display data from the control unit 80 is input to the operation display panel 84, and display contents corresponding to the display data are displayed on the display unit.

Next, with reference to FIGS. 8 to 10, adjustment of the revolution circular orbit position T of the rotary blade 22 when the width direction dimension of the label base material LS is changed in the cutting device 20 having the above-described configuration will be described. do.

FIG. 8 is a partially enlarged view (a) and a top view (b) showing a revolving circular orbit position of the rotary blade when the label base material LS having the width direction dimension W1 is cut by the cutting device 20.

As shown in FIG. 8B, in the cutting device 20 of the present embodiment, the rotary blade 22 is rotated and revolved to cut the label base material LS. In order to cut the end portion of the label base material L (that is, the end portion of the label L) in a clean state at the time of this cutting, the peripheral portion 22a of the rotary blade 22 that revolves around is the widthwise end portion of the label base material LS. From this, it has been confirmed that it is preferable to set the label base material LS to come into contact with the label base material LS first at a desired position P which is closer to the inside by a predetermined dimension B of, for example, about several mm to 10 mm. The reason is that since the label base material LS is formed of a flexible resin film, when the peripheral edge portion 22a of the rotating blade 22 that has revolved and moved first comes into contact with the widthwise end portion of the label base material LS, the label base material LS This is because the end portion in the width direction is pushed inward, which causes bending, which causes the cut end portion to be disturbed. Depending on the material, thickness, elasticity, rigidity, etc. of the label base material LS, even if the peripheral edge portion 22a of the rotary blade 22 is inserted so as to cut from the widthwise end portion of the label base material LS, the above-mentioned cutting is performed. The edges may not be disturbed. In that case, the label base material LS may be cut from the widthwise end without making adjustments aimed at the desired position P as described above.

In the example shown in FIG. 8B, the width direction dimension W1 of the label base material LS is, for example, 120 mm. In this case, the distance between the rotation center axis O, which is the center of revolution of the rotary blade 22, and the label base material LS is set to A1. As a matter of course, this distance A1 is set to a length shorter than the radius H of the revolution circular orbit T of the rotary blade 22 (= the revolution radius R of the rotary blade 22 + the radius R _{22 of the rotary blade 22).} The distance A1 between the rotation center axis O and the label base material LS is adjusted by the moving mechanism 60 so that the starting position of the rotary blade 22 hitting the label base material LS becomes the desired position P as described above.

Further, in FIG. 8B, a virtual straight line connecting the rotation center O'of the rotation blade 22 and the rotation rotation center O at a position where the peripheral edge portion 22a of the rotary blade 22 comes into contact with the predetermined position P of the label base material LS. The angle formed by 25 with the virtual straight line 29 connecting the center of rotation rotation O and the center of the label base material LS in the width direction is indicated by θ. This angle θ corresponds to the approach angle of the peripheral edge portion 22a of the rotary blade 22 with respect to the label base material LS, and as shown in FIG. 8A, the peripheral edge portion of the rotary blade 22 from the predetermined position P on the label base material LS. It is the same as the approach angle θ in the direction in which 22a cuts (arrow F direction). This approach angle θ is set to about 15 degrees to 45 degrees, more preferably about 15 degrees to 30 degrees.

9 (a) is a top view showing the orbital position of the revolving circular orbit of the rotary blade when cutting the label base material LS having the width direction dimension W2 smaller than that of FIG. 8 (b) in the cutting device 20, and FIG. 9 (b). ) Is a top view showing the orbital position of the revolving circular orbit of the rotary blade when cutting the label base material LS having the width direction dimension W3 larger than that of FIG. 8B.

As shown in FIG. 9A, when the label base material LS (for example, W2 = 90 mm) having a narrower width direction dimension W2 than that in FIG. 8B is changed, the revolution circular orbit position T of the rotary blade 22 is changed. The label base material is moved away from the LS. Specifically, using the moving mechanism 60, the moving frame 44 (see FIG. 3) so that the distance A2 between the rotation center axis O and the label base material LS is longer than that shown in FIG. 8 (b). ) Is adjusted (A2> A1). Thereby, even when the label base material LS is changed to a narrow width, the contact start position of the rotary blade 22 with respect to the label base material LS can be set to the desired position P.

On the contrary, as shown in FIG. 9A, when the label base material LS (for example, W3 = 190 mm) having a width direction dimension W3 wider than that in FIG. 8B is changed, the revolution circular orbit of the rotary blade 22 The position T is moved to the label base material LS side. Specifically, using the moving mechanism 60, the position of the moving frame 44 is set so that the distance A3 between the rotation center axis O and the label base material LS is shorter than that shown in FIG. 8 (b). Adjust (A3 <A1). Thereby, even when the label base material LS is changed to be wider, the contact start position of the rotary blade 22 with respect to the label base material LS can be set to the desired position P.

As described above, according to the label generation device 10 of the present embodiment, even if the width direction dimension of the label base material LS is changed by the rotary blade approaching state changing means, the label base material LS starts from the width direction end portion. The revolution circular orbit position T of the peripheral portion 22a of the rotary blade 22 with respect to the label base material LS can be changed so that the peripheral portion 22a of the rotary blade 22 comes into contact with the label base material LS at the desired position P closer to the inside. .. Further, by changing the revolution circular orbit position T in this way, the approach angle θ (see FIG. 8B) when the rotary blade 22 cuts into the label base material LS from the predetermined position P is about 15 degrees. It can be adjusted in the range of about 45 degrees (more preferably about 15 degrees to 30 degrees). As a result, it is possible to easily and quickly adjust the approaching state of the rotary blade 22 for the label base material LS having different dimensions in the width direction. Further, the dimensional range in the width direction of the applicable label base material LS is expanded from, for example, 90 mm to 120 mm in the past to, for example, 90 mm to 190 mm, and as a result, the versatility of the label generation device 10 is improved.

FIG. 10 is a diagram for explaining the rotation direction and the rotation speed of the rotary blade 22. In the cutting device 20 of the present embodiment, the rotation direction of the rotary blade 22 (arrow r3 direction) is opposite to the revolution direction of the rotary blade 22 (that is, the rotation direction of the swivel arm 30 and the arrow r4 direction). The reason is that when the rotating rotary blade 22 starts to hit the label base material LS, a force that pulls the label base material LS outward acts, and the label base material LS can be cut in a pulled-out state. This is because the cut end face of is beautifully finished.

Further, in this case, the rotation speed of the rotary blade 22 is preferably set to about 3 to 7 times, more preferably about 4 to 6 times, the revolution rotation speed of the rotary blade 22, for example, about 5 times. Most preferably. The reason is as follows.

The diameter of the revolution circular orbit T at the peripheral edge of the rotary blade 22 is the length (D1 + D2) obtained by adding the diameter D2 of the rotary blade 22 to the revolution diameter D1, and the peripheral length of the revolution circular orbit T is π (D1 + D2). .. Therefore, the peripheral speed Vk of the peripheral portion of the rotary blade due to revolution is Vk = π (D1 + D2) × N1 when the revolution speed is N1 (rpm). On the other hand, since the peripheral length of the rotary blade 22 is πD1, the peripheral speed Vg due to the rotation of the rotary blade 22 is Vg = πD1 × N2 when the rotation speed of the rotary blade 22 is N2 (rpm). Since the revolution direction and the rotation direction of the rotary blade 22 are opposite to each other, when Vk = Vg, the peripheral speed due to the revolution of the peripheral portion 22a of the rotary blade 22 is canceled by the peripheral speed due to the rotation, and the rotary blade 22 apparently. Is equal to not rotating.

Specifically, since N1 = Vk / π (D1 + D2) and N2 = Vg / πD1, it is represented by the rotation speed ratio N2 / N1 = Vg / πD1 ÷ Vk / π (D1 + D2). Here, by substituting the condition of Vk = Vg, the rotation speed ratio N2 / N1 can be expressed by the following equation (1).
N2 / N1 = Vg / π (D1 + D2) x π (D1 + D2) / Vg
= (D1 + D2) / D1 ... (1)

Therefore, when the ratio N2 / N1 of the rotation speed N2 of the rotary blade 22 to the revolution direction N1 satisfies the above equation (1), the peripheral speed Vk due to the revolution of the peripheral portion 22a of the rotary blade 22 is determined by the peripheral speed Vg due to the rotation. It is offset and apparently equals that the rotary blade 22 is not rotating. As a specific example, when the revolution diameter D1 of the rotary blade 22 is 250 mm and the diameter of the rotary blade 22 is D2 = 150 mm, the speed of the peripheral portion 22a of the rotary blade 22 is relatively zero at (250 mm + 150 mm) /150 mm = 2.67 times. become. In that case, the cutting condition of the rotary blade 22 with respect to the label base material LS becomes dull, and the cut end surface of the label base material LS tends to be rough. Therefore, in order to finish the cut end surface of the label L neatly, the rotation speed N2 of the rotary blade 22 is preferably about 3 times or more the revolution rotation speed N1 of the rotary blade 22.

On the contrary, when the rotation speed N2 of the rotary blade 22 is larger than 7 times the revolution rotation speed N1, the rotation speed becomes too fast, so that the cut end face of the label base material LS and the surface other than the peripheral edge of the rotary blade 22 This is because the rubbing of the film material and the printing layer tends to generate residue. Therefore, in order to suppress the generation of debris, it is preferable that the rotation speed N2 of the rotary blade 22 is about 7 times or less the revolution rotation speed N1.

11 (a) and 11 (b) are views showing a modified example of changing the orbital position of the revolving circular orbit of the rotary blade 22 by adjusting the length of the swivel arm 30A in the cutting device of the label generating device 10. The swivel arm 30A of this modified example is configured by connecting a rotating member 31a connected to a support shaft 28 (see FIGS. 3 and 4) and two arm tip portions 31b with a screw shaft 31c, respectively. According to this configuration, the distance between the rotating member 31a and the arm tip portion 31b can be changed by rotating the arm tip portion 31b screwed to the screw shaft 31c, and the arm radius can be adjusted. ..

More specifically, as shown in FIG. 11A, by setting the rotating member 31a and the arm tip portion 31b in contact with each other (arm radius ra), the revolution is the revolution trajectory of the peripheral portion 22a of the rotary blade 22. The radius H2 of the circular orbit position T2 is minimized, and as in the case of FIG. 9A, it can be applied to cutting the label base material LS having a narrow width direction dimension W2. On the contrary, as shown in FIG. 11B, by setting the rotating member 31a and the arm tip portion 31b to be separated from each other (arm radius rb (rb> ra)), the peripheral portion 22a of the rotary blade 22 revolves. The radius H3 of the revolution circular orbit position T3, which is a locus, becomes large, and as in the case of FIG. 9B, it can be applied to cutting a label base material LS having a wide width direction dimension W3.

By configuring the swivel arm 30A to expand and contract in this way and providing a changing mechanism for changing the arm length from the rotation center axis O of the swivel arm 30A to the rotation center position of the rotary blade 22, the revolution of the rotary blade 22 The circular orbit position can be changed, and as a result, the setting when cutting the label base material LS having different width direction dimensions to generate the label L can be easily performed. In this case, the moving mechanism 60 (see FIG. 3) that moves the moving frame 44 with respect to the fixed frame 21 can be omitted.

<Second Embodiment>
Next, the label generation device 10A of the second embodiment will be described with reference to FIGS. 12 to 15. FIG. 12 is a right side view of the label generator 10A according to the second embodiment. In the following, the same components as those of the label generation device 10 of the first embodiment described above will be designated by the same reference numerals, and no duplicate description will be given.

As shown in FIG. 12, the cutting device 20A in the label generating device 10A of the present embodiment includes a clamping device 120 that clamps the label base material LS at positions near the upper and lower sides of the label base material cutting position K. Instead, the protective member 54 in the cutting device 20 of the first embodiment is omitted. Other configurations are the same as those of the cutting device 20 of the first embodiment.

13 (a) is a top view of the clamp device 120 shown in FIG. 12, and FIG. 13 (b) is a side view of the clamp device 120. 14 (a) and 14 (b) are a top view and a side view showing a state in which the clamping device 120 clamps the label base material LS. As shown in FIGS. 13 (a) and 13 (b), the clamp device 120 includes an upper clamp member 122, a lower clamp member 124, and an actuator 130.

The upper clamp member 122 includes an inner clamp bar 122a and an outer clamp bar 122b. The inner clamp bar 122a (as well as other clamp bars) is formed of, for example, a metal rod such as a stainless steel round bar. The two legs of the inner clamp bar 122a are connected to the first output portion 134 of the actuator 130. The outer clamp bar 122b is formed in a similar shape slightly larger than the inner clamp bar 122a, and two legs are connected to the second output portion 136 of the actuator 130.

As shown in FIG. 13A, a label base material LS that is intermittently conveyed is passed between the tip portion of the inner clamp bar 122a and the tip portion of the outer clamp bar 122b. In the state shown in FIG. 13A, since the actuator 130 is in the inactive state, the inner clamp bar 122a and the outer clamp bar 122b are in the state where the label base material LS is released.

As shown in FIG. 13B, the lower clamp member 124 is arranged below the upper clamp member 122 with a slight gap G. The gap G is preferably set to about twice the thickness (for example, about 1.7 mm) of the rotary blade 22 (about 3 to 4 mm). The lower clamp member 124 is arranged parallel to the upper clamp member 122.

The lower clamp member 124, like the upper clamp member 122, includes an inner clamp bar 124a and an outer clamp bar 124b. The inner clamp bar 124a is formed in the same shape as the inner clamp bar 122a of the upper clamp member 122, and two legs are connected to the first output portion 134 of the actuator 130. Similarly, the outer clamp bar 124b is also formed in the same shape as the outer clamp bar 122b of the upper clamp member 122, and the two legs are connected to the second output portion 136 of the actuator 130.

The actuator 130 has a main body 132, a first output 134 provided at one end of the main body 132 (that is, a side facing the label base material LS) so as to be movable back and forth, and the other side of the main body 132. It has a second output unit 136 provided so as to be movable back and forth at the end portion (that is, on the side opposite to the label base material LS). The main body 132 of the actuator 130 is attached to a fixed frame 21 or the like of the label generator 10 by a bracket.

The actuator 130 operates in response to a control signal transmitted from the control unit 80 (see FIG. 7). For the actuator 130, for example, a voice coil motor is preferably used. The voice coil motor can operate at a high frequency of, for example, 10,000 Hz or more by itself, and is suitable for increasing the label generation speed.

When the actuator 130 is activated, the first output unit 134 projects from the main body unit 132 in the direction of arrow Y1 and pushes the inner clamp bars 122a and 124a of the upper and lower clamp members 122 and 124 toward the label base material LS, while the other. , The second output unit 136 projects from the main body unit 132 in the direction of arrow Y2 and attracts the outer clamp bars 122b and 124b of the upper and lower clamp members 122 and 124 toward the label base material LS. As a result, as shown in FIGS. 14A and 14B, the label base material LS is clamped by the upper clamp member 122 at a position near the upper side of the label base material cutting position K, and the label base material cutting position K is used. It is clamped by the lower clamp member 124 at a position near the lower side of the. In the state of being clamped in this way, as shown in FIG. 14B, the peripheral edge portion 22a of the rotary blade 22 of the cutting device 20A enters across between the upper clamp member 122 and the lower clamp member 124. The label base material LS is cut.

FIG. 15A is an enlarged side view showing a state when the label base material LS is cut in the cutting device 20A of the second embodiment, and FIG. 15B is a side view showing the state when the label base material LS is cut, and FIG. It is a side view which shows the state at the time of cutting a material LS in an enlarged manner.

When cutting the label base material LS, as shown in FIG. 15B, simply abutting and supporting the back surface side of the label base material LS at a position near the top and bottom of the height position through which the rotary blade 22 passes is enough to support the label base material LS. When the material LS is pushed so as to escape from the rotary blade 22, it may become a disordered cut surface such as a wavy cut surface or a whiskered cut surface. This can occur, for example, when the tension of the label base material LS located between the second feed roller pair 14 and the third feed roller pair 16 is loosened for some reason.

On the other hand, in the cutting device 20A of the present embodiment, as shown in FIG. 15A, the label base material LS has the upper clamp member 122 and the lower clamp member 122 at positions near the upper and lower sides of the label base material cutting position K. It is cut by the rotary blade 22 while being clamped by 124. Therefore, the label base material LS can be stably cut in a state of being appropriately tense. As a result, it is possible to prevent the cut surface of the label L from being disturbed.

FIG. 16 is a top view showing a specific example of the rotation angle position of the rotary blade 22 in the cutting device 20A of the second embodiment, and FIG. 17 is a top view showing the second and third feed roller pairs 14, 16 and the rotary blade 22. In addition, it is a timing chart which shows the operation of the clamp device 120.

In the example shown in FIGS. 16 and 17, a case where a label base material LS having a width direction dimension W = 120 mm is cut by using a rotary blade 22 having a diameter D2 = 150 mm that rotates while revolving at a revolution diameter D1 = 250 mm. show. Further, the angle range is such that the position where the rotary blade 22 is farthest from the label base material LS is 0 ° (= 360 °) at the origin, and 90 °, 180 °, and 270 ° counterclockwise (arrow r4 direction) from there. .. Further, in FIG. 17, the uppermost stage is the transport operation of the second feed roller pair 14, the second stage is the transport operation of the third feed roller pair 16, the third stage is the rotation operation of the rotary blade 22, and the fourth stage is the clamp device. It represents 120 operations. Further, the following time is a time calculated based on the orbital period 83.33 msec of the rotary blade 22 when the label generation speed is set to 720 sheets / minute.

With reference to FIGS. 16 and 17, the rotary blade 22 cuts the label base material LS during one rotation revolution from 0 ° to 360 ° to generate one label L. The second feed roller pair 14 and the third feed roller pair 16 cooperate to convey the label base material LS vertically downward, and at the timing when the rotary blade 22 is at an angle of 133 °, the upper side of the next label L is upper. The cut position C is stopped at the label base material cutting position K.

The clamping device 120 starts the clamping operation at the timing when the rotary blade 22 is located at 80.2 °, and completes the clamping of the label base material LS at the timing of 145 °. When a voice coil motor is used as the actuator 130 of the clamp device 120, the inner clamp bars 122a, 124a and the outer clamp bars 122b, 124b of the upper and lower clamp members 122, 124 have a label base material LS with a stroke of 3 mm. It can be brought into contact with a pressing force of 6 N (that is, the clamp is completed). In this case, the time required to complete the clamping operation from the same angle of 80.2 ° to 145 ° is 15 msec, and the clamping operation can be completed in about 2.8 msec after the transfer of the label base material LS is stopped.

After the label base material LS is stopped at the same angle of 133 °, the label base material LS is started to be cut at the same angle of 156.9 ° and the cutting is completed at the same angle of 203.1 °. .. The angular range during this cutting operation is 46.2 °, and the corresponding cutting time is 10.69 msec.

When the cutting of the label base material LS is completed, the third feed roller pair 16 starts conveying the cut label L at the same angle of 227 °. The second feed roller pair 14 starts transporting the label base material LS (in cooperation with the first feed roller pair 12) at a timing of the same angle of 243 °, which is delayed from this.

The clamp device 120 starts a release operation (that is, a clamp release operation) at a timing of the same angle of 215 ° prior to the start of the transfer of the label L by the third feed roller pair 16. As a result, the label L can be conveyed by the third feed roller pair 16. Then, the clamp device 120 completes the release operation in a required time of 15 msec, as in the case of the clamp operation.

As described above, in the cutting device 20A of the present embodiment, when the voice coil motor is used as the actuator 130 of the clamping device 120, the label base material LS can be clamped and released with sufficient clamping force and in a short time. , 720 sheets / min, which is a high-speed label generation speed, can be sufficiently supported.

The label generating apparatus according to the present invention is not limited to the above-described embodiments and modifications, and various changes and improvements can be made within the matters described in the claims of the present application and the equivalent range thereof. It should be added that it is.

10,10A Label generator, 12 1st feed roller pair, 14 2nd feed roller pair (upper feed roller pair), 16 3rd feed roller pair (lower feed roller pair), 13,15,17 motor, 18 mark Sensor, 20, 20A cutting device, 21 fixed frame, 22 rotary blade, 22a peripheral part, 23 guide rail, 24 label base material cutting part, 26 label base material transport part, 27 base plate, 28 support shaft, 30, 30A swivel Arm, 32 rotary shaft, 34 (for rotation) motor, 40 (for rotation) motor, 45a slide guide, 45b female screw hole, 45c guide part, 50 cover member, 50a side wall part, 50b upper wall part, 50c lower wall part, 52 opening, 54 protective member, 55 groove, 60 moving mechanism (rotary blade approach state changing means), 66 screw support member, 68,72 pulley, 70 shaft support member, 71 shaft, 74 timing belt, 76 handle with counter, 80 control unit, 81 main control unit, 90 label transfer device, 110 label delivery device, 112 take-up member, 120 clamp device, 122 upper clamp member, 124 lower clamp member, 122a, 124a inner clamp bar, 122b, 124b outer Clamp bar, 130 actuator, 132 main body, 134 1st output, 136 2nd output, K label base material cutting position, LS label base material, L label, θ approach angle.

Claims (6)

A pair of upper feed rollers and a pair of lower feed rollers that intermittently convey while sandwiching a tubular label base material made of a resin film that is folded into a sheet to form a long strip.
A label generation device including a cutting device that cuts a label base material to generate individual labels at a cutting position between the upper feed roller pair and the lower feed roller pair.
The cutting device includes a swivel arm and a disk-shaped rotary blade provided at an end of the swivel arm so as to be rotatable and revolving. It is configured to cut the label substrate at the peripheral edge of the rotary blade.
A means for changing the approach state of the rotary blade to change the approach state of the rotary blade to the label base material when the width direction dimension of the label base material is changed .
The rotary blade approaching state changing means moves the revolving circular orbit position of the peripheral edge of the rotary blade in a direction away from the label base material when the width direction dimension of the label base material becomes narrow, and the width direction dimension of the label base material. When the width becomes wider, the revolving circular orbit position of the peripheral edge of the rotary blade is moved toward the label base material, and the approach position of the rotary blade with respect to the label base material is several mm to 10 mm inside from the widthwise end of the label base material. A label generator whose approach angle is set in the range of 15 degrees to 45 degrees. The rotation direction of the rotary blade is a direction opposite to the direction of revolution of the rotary blade, the label generation apparatus according to claim 1. The label generation according to claim 1 or 2 , wherein the rotary blade approaching state changing means includes a moving mechanism that moves the position of a moving frame that supports a cutting device including a swivel arm and a rotary blade with respect to a fixed frame. Device. The label generating device according to claim 1 or 2 , wherein the rotary blade approaching state changing means is configured by a changing mechanism for changing the arm length from the rotation center axis of the swivel arm to the rotation center position of the rotary blade. The invention according to any one of claims 1 to 4 , wherein a clamp device for clamping the label base material is provided near the upper and lower sides of the cutting position, and the actuator of the clamp device is composed of a voice coil motor. Label generator. A tubular label base material made of a resin film that is folded into a sheet to form a long strip is conveyed to a cutting position by a predetermined length, and the label base material is transferred each time a rotating disk-shaped rotary blade revolves once. A label manufacturing method that manufactures individual labels by cutting.
The peripheral edge of the rotary blade that revolves while rotating is located several mm to 10 mm inward from the widthwise end of the label substrate, and the approach angle is within the range of 15 to 45 degrees. A label manufacturing method that enters and cuts.

Images