JPS6336061B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION This invention is a method of sequentially accumulating cassette half cases (hereinafter referred to as half cases) for storing audio tapes, video tapes, etc. automatically taken out from a molding machine into a compartmentalized magazine. This technology relates to a pitch feeding device that sequentially transfers magazines one pitch at a time in automatic stacking machines. It is an object of the present invention to provide a pitch feeding device which can improve the efficiency of stacking half cases in a magazine.

The configuration of an embodiment of the present invention will be described below.

First, the magazine 3 in which the half cases 1 are accommodated by the automatic stacking device 11 of the present invention will be explained. In FIG. The half case 1 is divided into four rows, and each row is divided according to the thickness of the half case 1. As a result, four half cases 1 are sequentially accommodated in the magazine 3 in the direction perpendicular to the transport direction. Further, grooves 5 are formed on the bottom surface of the magazine 3 and extend in the direction perpendicular to the conveyance direction at intervals corresponding to the partition width in the conveyance direction.

FIG. 2 schematically shows a side view of the automatic stacking device 11, FIG. 3 schematically shows a plan view of FIG. 2, and pitch feeding mechanism B.
FIG. 4 shows the transfer mechanism C1, FIGS. 5 to 7 show the chuck mechanism C2, and FIGS. 8 and 9 show the chuck mechanism C2.
In FIG. 10 showing the unloading mechanism D, the main body frame 15 of the automatic stacking device 11 has a shape extending in the horizontal direction shown in FIG. Accumulating device 11
The magazine 3 is attached to the main body frame 15 on the left end side in the illustration.
A carry-in mechanism A is arranged above. A carry-in conveyor 13 is arranged at the lower left side (carry-in side) of the main body frame 15 as shown in FIG. The belt of the carry-in conveyor 13 has a protrusion (not shown) that engages with a groove 5 formed at the bottom of the magazine 3, and the groove in the bottom of the magazine 3 carried in as the carry-in conveyor 13 is driven. The magazines 3 are sequentially carried in by the engagement of the protrusions with 5. Further, a screw 17 having an axis in the vertical direction is rotatably supported on the loading side of the main body frame 15, and the lower end of the axis of the screw 17 is connected to the main body frame 1.
The motor 19 is connected to the motor 19 attached to the motor 5.
A pedestal 21 for moving the loaded magazine 3 upward is engaged with the screw 17, and the pedestal 21 is moved up and down by the screw 17, which rotates as the motor 19 is driven. Incidentally, the screw 1 is attached to the main body frame 15.
Two guide shafts 23 having axes parallel to 7 are attached, and the pedestal 21 is supported to be slidable in the vertical direction with respect to the guide shafts 23.

Two guide shafts 25 having axes in the conveyance direction of the magazine 3 are attached to the left side of the main body frame 15, and a holder 27 is supported on the guide shafts 25 so as to be slidable in the axial direction. The holder 27
Two guide shafts 29 having vertical axes are attached to the guide shaft 29, and a slider 31 is supported on the guide shafts 29 so as to be slidable in the axial direction. A cylinder 33 whose rod tip is attached to the holder 27 is attached to the slider 31, and the slider 31 is moved up and down by the operation of the cylinder 33. The slider 31 has a flat portion extending above the pedestal 21, and a chuck member 37 provided with a claw 37a that opens and closes by the operation of the cylinder 35 is attached to the lower surface of the flat surface.

A pair of support rails 39 are attached to both sides of the center of the main body frame 15 and are opposed to each other with a width in the direction perpendicular to the transport direction of the magazine 3, and the magazine 3 is supported on the support rails 39 so as to be movable in the transport direction. . The magazines 3 are mounted on the main body frame 15 located approximately below the center of the support rail 39, one pitch at a time (in the present invention, one pitch refers to the width of one division in the conveyance direction of the magazine 3 formed inside the magazine 3). A pitch feed device B is attached to move the pitch. That is, a cylinder 41 as a moving means having an axis in the conveying direction of the magazine 3 is attached to the main body frame 15, and a holder 43 is attached to the rod of the cylinder 41. Two guide shafts 45 having axes in the vertical direction are supported on the holder 43 so as to be slidable in the vertical direction at a required interval in the conveyance direction, and a shaft serving as a feeding plate is provided at the upper end of the guide shaft 45. A moving table 47 is attached. Further, a cylinder 49 as a vertical movement means having an axis in the vertical direction is attached to the holder 43,
The rod is fixed to the moving table 47.
Furthermore, claw portions 51 that can engage with the grooves 5 are attached to the upper surface of the moving table 47 at intervals according to the pitch feed width of the magazine 3 in the transport direction. The moving table 47 is connected to the cylinder 49.
The operation moves between an upper position where the claw part 51 and the groove 5 engage with each other and a lower position where the claw part 51 and the groove 5 do not engage with each other. Incidentally, stoppers 53 and 54 are attached to the main body frame 15, respectively, to contact the front end surface and the rear end surface of the holder 43, and by the contact of the holder 43 with these stoppers 53 and 54, the amount of movement of the holder 43 in the transport direction is controlled by the magazine. 3
It is set according to the pitch feed width. Further, a stopper 55 is attached to the lower part of the guide shaft 45 for setting the vertical movement width of the moving table 47.

A transfer mechanism C is attached to the upper center of the main body frame 15 corresponding to the upper side of the magazine 3 placed on the support rail 39, and the transfer mechanism C is composed of a transfer mechanism C1 and a chuck mechanism C2. has been done. First, to explain the configuration of the transfer mechanism C1, there are two
rotary actuators 59 are installed,
Two cylinders 61 are attached to the rotating shaft of the rotary actuator 59 via brackets 63, spaced apart from each other by a required distance in the conveyance direction. A pedestal 65 is attached to the upper end surface of the tube of the cylinder 61, and a rod of the cylinder 61 is inserted into a through hole (not shown) formed in the pedestal 65. When the half case 1 is placed on the pedestal 65, this rod is inserted into a hole (not shown) formed in the half case 1, and the half case 1 is positioned with respect to the pedestal 65. . Said cylinder 6
1 has side plates 67 that stand up on both sides of the pedestal 65.
A guide plate 67 having a shape is supported so as to be movable in the vertical direction. Further, a push-up shaft 71 is supported by a holder 69 provided on the side surface of the cylinder 61 so as to be slidable in the vertical direction, and a roller 73 is rotatably supported at the lower end of the push-up shaft 71. . A coil spring 75 is attached to the push-up shaft 71 located between the holder 69 and the roller 73, and the elastic force of the coil spring 75 constantly urges the push-up shaft 71 downward. Furthermore, a cam 77 is attached to the main body frame 15 in accordance with the rolling trace of the roller 73, and the cam surface is gradually raised toward the outside. When the main body frame 15 is rolled on the cam surface of the cam 77 as the rotary actuator 59 is driven, the push-up shaft 71 is moved upward against the elastic force of the spring 75, and the upper end of the shaft is moved upward. Guide plate 67
is brought into contact with. The guide plate 67 has a side plate 67
a is pushed up so that it is positioned on both sides of the pedestal 65. As a result, the pedestal 65 moves the half case 1, which has been transferred at approximately the center of the main body frame 15, to a section located outside the magazine 3. Further, an extrusion cylinder 79 is attached to the main body frame 15 at a height corresponding to the upper surface of the pedestal 65, and an extrusion plate 81 is attached to the rod of the extrusion cylinder 79. The push-out plate 81 is activated when the pedestal 65 is moved in accordance with the rows on both sides of the magazine 3, and the half case 1 is pushed out from the pedestal 65 and transferred to a chuck mechanism C2 to be described later.

Next, the configuration of the chuck mechanism C2 will be explained. The chuck mechanism C2 is provided on the main body frame 15 in a direction corresponding to the transport direction of the transfer mechanism C1. That is, a cylinder 85 having an axis in the vertical direction is attached to the side of the main body frame 15, and a holder 87 is attached to a rod 85a of the cylinder 85. As the cylinder 85 operates, the holder 87 is moved up and down. A rotation shaft 89 perpendicular to the conveyance direction of the magazine 3 is rotatably supported in the holder 87 at a position above the magazine 3 placed on the support rail 39 .
A rotating shaft of a rotary actuator 91 provided in the holder 87 is connected to the shaft end of the rotating shaft 89, and as the rotary actuator 91 operates, the rotating shaft 89 is rotated by about 90 degrees. Ru. Two holders 93 are attached to the rotation shafts 89 corresponding to the upper two central rows of the magazines 3 supported on the support rail 39, and a support plate 95 is attached on the holders 93. A guide plate 97 having a T-shaped cross section extending upwardly and facing both sides according to the thickness of the half case 1 is attached to the intermediate portion of the support plate 95. Further, a cylinder 99 having an axis in the same direction as the rotation shaft 89 is attached to each holder 93, and a support plate 101 is mounted on the rod of the cylinder 99 at a slight interval from both ends of the support plate 95. installed. The support plate 10
1 has a width corresponding to the half case 1, stands up according to the thickness of the half case 1, and has an L-shaped cross section that is bent inward. A guide plate 105 having a T-shaped cross section is attached. On the upper surface of the support plate 95 are two half cases 1 out of the four half cases 1 that have been injection molded and taken out by a take-out device (not shown), and on the upper surface of the support plate 101 are The two half-pieces transferred from the pedestal 65
Case 1 is transferred respectively.

Further, a support shaft 100 having an axis in the vertical direction is provided upright on the lower side of the chuck mechanism C2 in the conveyance direction, and a holder 102 is attached to the support shaft 100. A shaft 104 having an axis in a direction perpendicular to the transport direction is rotatably supported on the holder 102, and a rotary actuator 106 attached to the holder 102 is connected to the shaft 104. As the rotary actuator 106 operates, the shaft 104 is rotated approximately 180 degrees. An abutment plate 108 is attached to the shaft 104, and each of the abutment plates 108 is formed with protrusions 108a that are chucked by the support plates 95 and 101 and capable of abutting against the downwardly facing half case. . As the projecting piece 108a comes into contact with the half case 1, the support plates 95 and 1
From 01 onwards, tracking of half case 1 is released.

A carry-out mechanism D is provided on the carry-out side of the automatic stacking device 11.
is located. This carry-out mechanism D is similar to the carry-in mechanism A described above, and the same drawing number will be given and the explanation thereof will be omitted. Further, a cylinder 109 having an axis in the unloading direction is attached to the main body frame 15 corresponding to the downward movement position of the gantry 21.
An extrusion member 111 is attached to the rod 09. That is, when the magazine 3 is moved to the lower position by the downward movement of the pedestal 21, the pushing member 111, which moves with the operation of the cylinder 109, moves the magazine 3 onto the carry-out conveyor provided on the carry-out side of the automatic stacking device 11. pushed out.

Next, the operation of this embodiment configured as described above will be explained with reference to FIGS. 11 to 15.

When the magazine 3 is carried into the carry-in side of the automatic stacking device 11 by the carry-in conveyor 13 and placed on the pedestal 21, the pedestal 21 is moved upward by the screw 17 which rotates as the motor 19 is driven, and the magazine 3 is placed on the pedestal 21. Moved to the upper position. When the cylinder 35 is operated in this state, the magazine 3 is clamped by the claws 37a that move toward each other. Next, when the cylinder 33 is operated in the above state, the chuck member 3 that clamps the magazine 3
7 is provided with the slider 31 is moved upward, and the pedestal 2
Magazine 3 is pushed up from 1. When the cylinder 33 is operated in the above state, the magazine 3 is moved to the loading side of the support rail 39 by the slider 31 moving to the right as shown in FIG. When the cylinder 33 is moved back at this position, the magazine 3 clamped by the chuck member 37 is transferred onto the support rail 39, and then the magazine 3 is clamped by the claw 37a by the return movement of the cylinder 35. It will be canceled. After the above operation, the slider 31 is returned to its original position by the return movement of the cylinder 38. Furthermore, the pedestal 21 is returned to the lower position by the screw 17 which rotates in the opposite direction as the motor 19 is driven in the reverse direction.

In FIGS. 11 and 12 showing the pitch feeding operation, when the cylinder 49 is operated with the magazine 3 placed on the support rail 39, the claw portion 51 that moves upward engages the groove 5 of the magazine 3. will be combined. When the cylinder 41 is operated in the above state,
The magazine 3 is fed in pitches according to the section width in the conveying direction by the claw portion 51 that moves to the right side as shown in FIG. When the cylinder 49 is moved back after the above operation, the claw portion 51 is disengaged from the groove 5, and then the claw portion 51 is returned to its original position as the cylinder 41 moves back. By repeating the above operations, the magazine 3 is sequentially fed in pitches in the transport direction.

In FIGS. 13 to 15 showing the transfer operation, when the magazine 3 is sent to the transfer position with the above-mentioned pitch operation, four half cases 1 are simultaneously loaded into each compartment of the magazine 3. Ru. That is,
As shown in FIG. 13, the four half cases 1 are taken out from the molding machine by the take-out device in two rows in the front and back in the transport direction, and placed on each pedestal 65 and the support plate 95. be done. At this time, the support plate 95 has been moved to a height that substantially coincides with the pedestal 65 by the operation of the cylinder 85. Further, when the half case 1 is placed on each pedestal 65, the rod is moved upward by the operation of the cylinder 61. The half case 1 is positioned on the pedestal 65 by inserting the rod into the through hole of the half case 1 placed on the pedestal 65. When the half cases 1 are placed on each pedestal 65, the rotary actuator 59
As the cradle 65 is driven, each pedestal 65 is rotated approximately 180 degrees in a side direction perpendicular to the conveying direction of the magazine 3.
At this time, the roller 73 against the cam surface of the cam 77
As the push-up shaft 71 is pushed upward against the elastic force of the spring 75, the side plate 6
The guide plate 67 is pushed up so that the guide plates 7a are positioned on both sides of the half case 1 placed on the pedestal 65. After the above operation, when the cylinder 61 is moved back and the insertion of the rod into the through hole is released, the push-out plate 8 moves as the push-out cylinder 79 operates.
Half case 1 placed on pedestal 65 by 1
are transferred onto the support plates 101 located on both sides of the support plate 95. At this time, the half case 1 positioned on the support plate 101 is attached to the guide plates 103 and 105.
It is held between the two. As a result, the four half cases 1 taken out in two rows in front and back with respect to the transport direction are aligned in a straight line in a direction perpendicular to the transport direction.

After the above operation, when each cylinder 99 is activated and the support plate 101 is moved toward the center, the two half cases 1 placed on the support plate 95 are sandwiched between the guide plate 105 and the guide plate 97. Ru.

When the rotary actuator 91 is driven after the above operation, the support plate 9
5 and the support plate 101 are rotated approximately 90 degrees. As a result, the half plate on each support plate 95 and support plate 101
The case 1 is moved into each compartment of the magazine 3 that has been moved to the transfer position so as to be oriented vertically so that it can be inserted. When the cylinder 85 is moved back after the above operation, the chuck mechanism C2 is brought close to the top surface of the magazine 3. When the rotary actuator 106 is operated in this state, the half case 1 held between the support plate 95 and the support plate 101 is rotated by the contact plate 108, which is rotated counterclockwise as shown in FIG. It is pushed out downward and thrown into each compartment of the magazine 3. After the above operation, the contact plate 10
8. The chuck mechanisms C2 are each returned to their original positions, and the magazine 3 is pitch-fed by the pitch-feeding mechanism B, so that the next compartment is moved to the transfer position.

By repeating the above operation, the magazine 3 with half cases 1 loaded into each compartment is moved to the support rail 39.
When the magazine 3 is moved to the unloading side, the magazine 3 is clamped by the chuck member 37 that has been waiting at that position. The magazine 3 lifted from the support rail 39 by the operation of the cylinder 33 is moved to the right side as shown in FIG. 2 as the cylinder 38 is operated. At this time, the pedestal 21 is moved to the upper position as the screw 17 rotates, and the magazine 3 is placed on the pedestal 21 as the cylinders 33 and 35 move back. Next, as the screw 17 is reversed, the pedestal 21 on which the magazine 3 is placed is moved to a lower position, and the cylinder 1
The magazine 3 placed on the pedestal 21 is pushed out onto the carry-out conveyor by the push-out member 111 that moves in accordance with the operation of the push-out member 09.

In this manner, in this embodiment, the magazine 3 in which the half cases 1 are stored can be fed in pitches according to the section width in the transport direction, and the half cases 1 can be accumulated efficiently.

Therefore, according to the present invention, it is possible to sequentially feed the magazine in which the half cases are housed in pitches according to the section width in the conveying direction, and it is possible to improve the efficiency of accumulating the half cases in the magazine.

[Brief explanation of drawings]

Fig. 1 is an explanatory view of the magazine, with the right half showing the flat surface and the left half showing the bottom surface; Fig. 2 is a side view schematically showing the side of the automatic stacking device; Fig. 3 is a plan view schematically showing the side view of Fig. 2; Figure 4 is a sectional view showing the pitch feed mechanism.
Figures 5 to 9 are explanatory diagrams showing the transfer mechanism;
Figure 0 is a sectional view showing the unloading mechanism, Figures 11 to 1
FIG. 5 is an explanatory diagram showing the effect. In the diagram, 1 is half case, 3 is magazine, 15
39 is a main body frame, 39 is a support rail, 41 is a cylinder as a moving means, 43 is a holder, 47 is a moving table as a feeding plate, 49 is a cylinder as a vertical movement means, 51 is a claw part, and B is a pitch feeding mechanism. be.

Claims (1)

[Scope of Claims] 1. In an automatic cassette half-case stacking machine that sequentially stores and stacks cassette half-cases taken out from a molding machine into a number of compartments provided in a magazine, the magazine is transported relative to the main body frame. a moving means for moving a holder provided movably in the transport direction in accordance with the compartment width; a feed plate having a claw portion that engages with a groove portion formed on the bottom surface of the magazine; and a feed plate that is placed between the upper position and the groove portion where the groove portion of the magazine supported on the main body frame engages with the claw portion. A magazine pitch feeding device in an automatic stacking machine for cassette half cases, characterized in that the magazine pitch feeding device is provided with: vertical movement means for moving between the lower position where the claw portion is in a disengaged state.