JP2810008B2 - Box making equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cardboard box used for packing fruits such as grapes,
The present invention relates to a box making apparatus for assembling a box by bending each part from one blank previously cut into a predetermined shape.

[0002]

2. Description of the Related Art Conventionally, a box-making apparatus of this type has been disclosed in, for example, Japanese Patent Publication No.
Various types are provided as disclosed in Japanese Patent Application Laid-Open No. 0735/75, etc., all of which are large-scale using various actuators such as cylinders, for example, installed and operated in a box factory. Was.

[0003]

Such a large-scale box making apparatus is naturally not easily portable and requires an external power source or an air source. It is not suitable for assembling personal or small boxes such as harvesting grapes while assembling, and in this case it is still unmanaged manually. Met.

Accordingly, an object of the present invention is to provide a box-making apparatus suitable for assembling a box in, for example, a harvesting operation of a farmer, since it can be easily carried and does not require an external power supply or an air source. I do.

[0005]

According to a first aspect of the present invention, a box is assembled by bending a front and rear side wall portion, a left and right side wall portion, and a bottom wall portion connected to the right side wall portion of a blank. An apparatus, comprising: a single drive shaft; first to third driven shafts rotating by rotation of the drive shaft; and front and rear side wall portions turned by the rotation of the first driven shaft to bend the front and rear side wall portions. Bending means, right-hand wall bending means which rotates by rotating the second driven shaft to bend the right wall, and left-hand which rotates by rotating the third driven shaft to bend the left wall. A bottom which is rotatably connected to the wall folding means and the right wall folding means, and which pivots with respect to the right wall folding means by rotation of the second driven shaft to bend the bottom wall. Wall bending means, the drive shaft being rotated by the front and rear Characterized by being configured to bend in succession the bottom wall portion and the left and right lateral walls and the wall portion.

According to the above construction, when a single drive shaft is rotated, the front and rear side wall bending means and the left and right side wall bending means are rotated.
Then, the bottom wall folding means operates in conjunction with each other, whereby the front and rear side walls, the left and right side walls, and the bottom wall of the blank are bent to assemble the box. As described above, since one box is automatically assembled just by performing one operation of rotating a single drive shaft, the operator sets one blank in the apparatus, and then performs this one operation. As long as one box can be assembled quickly and easily, even a single worker can easily assemble many boxes in a short time.

According to a second aspect of the present invention, there is provided the box-making apparatus according to the first aspect, wherein the front and rear side wall folding means and the left and right side wall folding means are stored along the blank setting surface when not operated. It is characterized in that it is configured as follows.

According to the above construction, when the box making device is not operated, the front and rear side wall folding means and the left and right side wall folding means are stored along the blank setting surface, so that the blank is set. Can be easily performed.

[0009]

[0010]

According to a fourth aspect of the present invention, the front and rear side walls, the left and right side wall outer walls connected to the front and rear side walls with the fold line as the boundary, and the right and left side wall outer walls with the fold line as the boundary. A right wall inner wall portion, a bottom wall portion connected to the right wall inner wall portion at a fold line, and a left wall inner wall portion connected to the bottom wall at a fold line. Each of the wall portions of the blank is bent along the fold line, and has a front and rear side wall, a left and right side wall having a left and right side wall inner wall portion superposed inside the left and right side wall outer wall portion, and a bottom wall. A box-making apparatus for assembling a box, comprising: a single drive shaft that rotates by a rotation operation of an operation lever; first and second driven shafts that rotate in conjunction with the drive shaft; and rotation of the first driven shaft. Front and rear side wall bending means for rotating the front and rear side wall portions of the blank by rotating It rotated by the rotation of the second driven shaft,
A right wall outer wall bending means for bending the right wall outer wall of the blank, and a right wall outer wall bending means connected to the blank;
A right wall inner wall bending means for rotating by rotation of the second driven shaft after bending the right wall outer wall to bend the right wall inner wall so as to overlap the inside of the right wall outer wall; The second driven shaft is rotated by rotation of the second driven shaft after the right wall inner wall is bent, and the bottom wall is bent, and the left wall inner wall is moved to the left side. A bottom wall bending means for bending the inner wall of the outer wall portion in a superimposed manner, a third driven shaft rotating in conjunction with the second driven shaft, and rotating by the rotation of the third driven shaft, A left wall outer wall bending means for bending the left wall outer wall of the blank is provided.

According to the above configuration, when the operator rotates the operation lever, the drive shaft rotates, whereby the first and second driven shafts rotate. The rotation of the first driven shaft rotates the front and rear side wall portion bending means to bend the front and rear side wall portions of the blank, and the rotation of the second driven shaft rotates the right side wall outer wall portion bending means to rotate the right side wall. The outer wall is bent.
In addition, the third driven shaft rotates in conjunction with the second driven shaft, whereby the left wall outer wall bending means rotates to bend the left wall outer wall of the blank.

After the front and rear side wall portions and the left and right side wall outer wall portions have been bent in this way, when the operation lever is further rotated, the right wall inner wall portion bending means is further rotated with respect to the right wall outer wall portion bending means. Then, the right wall inner wall portion is folded in an overlapping manner inside the right wall outer wall portion, thereby forming a two-layered right wall.

When the operation lever is further rotated after the inner wall portion of the right side wall is bent in this manner, the bottom wall portion bending means is further rotated with respect to the right side wall inner wall bending portion, whereby the bottom wall is bent. Is bent into a space surrounded by the front and rear side wall, the right side wall and the left side wall outer wall, and the inside of the left side wall outer wall has already been bent. Then, the bottom wall portion of the box and the left side wall of the two-layered structure are formed, and a series of box making steps of the box making device is completed as described above.

When the operation lever is rotated in the opposite direction after the completion of the box making process, each bending means is operated in a procedure reverse to that of the box making process, and the box making device returns to the original position. As described above, according to the box making device, the operator simply rotates the operation lever, and the bent portions of the blank are bent to automatically assemble the box, thereby simplifying the box making operation.

Further, since each bending means rotates in conjunction with a single drive shaft, there is no need for an actuator such as a cylinder or an electric motor as in the prior art. A simple and compact configuration makes it easy to carry and can be used easily outdoors, and can be a box making device particularly suitable for farmers' harvesting work and the like.

At the stage of blanking, for example, a locking means for the front and rear side walls is provided on the left wall inner wall, and the left bent inner wall is finally locked to the front and rear side walls via the locking means. By doing so, the front and rear side walls, the left and right side walls, and the bottom wall are fixed to each other in a bent state, and a complete box can be assembled only by one box making process of the box making apparatus.

In the blanking step, a lid is connected to the outer wall of the left side wall or the inner wall of the left side wall, and after assembling by the box making device, the lid is bent and used as a lid of the box. it can.

[0019]

FIG. 1 shows an embodiment of the present invention.
This will be described with reference to FIG. In the following description, each of the front, rear, left, right, and clockwise directions will be described with reference to the direction viewed from an operator located on the front surface (operation side) of the box-making apparatus 1, that is, FIG.

First, prior to the description of the box making apparatus 1 according to the present embodiment, a blank 100 to be assembled will be described. This blank 100 was press-cut into a shape as shown in FIG.
00 is bent so that the front and rear side walls B as shown in FIG.
1, B2, left and right side walls B3, B4, bottom wall B5 and lid B6
Is assembled.

As shown, this blank 100 is
Front and rear side wall portions 101 which become front and rear side walls B1, B2 of the box B,
102. The front and rear side wall portions 101 and 102 are bent at fold lines 101a and 102a. next,
Left and right outer wall portions 103, 1 serving as outer walls of the left and right side walls B3, B4 of the box B are provided on the left and right of the front and rear side wall portions 101, 102.
Reference numeral 04 is provided continuously along the fold lines 103a and 104a. In addition, between the front and rear side wall portions 101 and 102 and the left and right side wall outer wall portions 103 and 104, the overlapping portion 1 which is overlapped inside the outer wall portions 103 and 104 in the assembled state.
03b, 103b, 104b, and 104b are continuously provided.
c and 104c.

On the right side of the right side wall outer wall portion 104, a right side wall inner wall portion 105 is continuously provided with a fold line 105a as a boundary. The right side wall inner wall portion 105 is bent at the fold line 105a and overlaps the inside of the right side wall outer wall portion 104 to form a right side wall B4 having a two-layer structure.

Next, on the right side of the inner wall portion 105 of the right side wall, a bottom wall portion 106 is continuously provided with a fold line 106a as a boundary. The bottom wall 106 is bent at the fold line 106a to form the bottom wall B5 of the box B.

Further, on the right side of the bottom wall portion 106, a left side wall inner wall portion 107 is continuously provided with a fold line 107a as a boundary. The left side wall inner wall portion 107 is bent at a fold line 107 and overlaps the inside of the left side wall outer wall portion 103, thereby forming a left side wall B3 having a two-layer structure.

On the left side of the left outer wall portion 103, a lid portion 108 is continuously provided with a fold line 108a as a boundary.
The lid 108 is bent at a fold line 108a,
Although the cover B6 of the box B is formed, the folding at the fold line 108a is performed not by the box-making apparatus 1 described below but by a manual operation. At the left end of the lid portion 108, an insertion piece 108b for fixing the lid in a closed state is continuously provided, and this insertion piece 108b is inserted into an insertion hole 105b formed along the fold line 105a. It is.

Cuts 101b and 102b are formed near the left ends of the front and rear side walls 101 and 102 at a predetermined depth from the upper edge. On the other hand, cuts 107b and 107c are formed at the front and rear ends of the left side wall inner wall 107 as locking means for the cuts 101b and 102b. The cuts 101b and 107b are assembled, and the cuts 102b and 107c are respectively assembled. At this time, they are fitted to each other and locked, so that the inner wall 107 is kept in an overlapped state with the outer wall 103, and thus the assembled state of the box B is maintained. The bending of one blank 100 formed in this way is
A box B with a cover B6 shown in FIG. 10 is assembled by the box making apparatus 1 according to the present embodiment described below.

As shown in the drawing, the box-making apparatus 1 of the present embodiment has a base 2, a post 3 erected on the upper surface of the center of the base 2, and disposed above the base 2 via the post 3. The main frame 4 is provided. The main frame 4 has a frame structure mainly composed of front, rear, left and right walls, and an upper surface thereof is a set surface S of the blank 100. As shown in FIG. 4, four windows W1 to W4 are formed on the upper surface of the main frame 4, and five bent plates 50 to 54 are arranged substantially flush with each other through the windows W1 to W4. I have.

The bent plates 50 and 51 are front and rear side wall bending means for bending the front and rear side wall portions 101 and 102 of the blank 100 to an upright shape of about 90 °, and include window portions W1 and W2.
Are located in The bent plate 52 is connected to the right outer wall portion 10.
The right side wall outer wall bending means for bending the right side 4 upright by about 90 ° is disposed in the window W3. The bent plate 53 is a right wall inner wall bending means for bending the right wall inner wall 105 by about 180 °, and is also disposed in the window W3. The bent plate 54 is a left wall outer wall bending means for bending the left wall outer wall 103, and is disposed in the window W4.

In the main frame 4 configured as described above, functional components for operating the above-mentioned bending plates 50 to 54 and a bending plate 55 to be described later, and main components of the box making device 1 Is built-in.

First, on the front wall 4A of the frame 4, an operation lever 5 for the operator to rotate is arranged.
A grip 5a for gripping by an operator is attached to the tip. The operation lever 5 is attached to a front end of a drive shaft 6 protruding from a front wall 4A of the frame 4. The drive shaft 6 is rotatably supported in a bridging manner between the front and rear sub-frames 4a and 4b which are erected in parallel with the front wall 4A and the rear wall 4B of the main frame 4, respectively.

With the rotation of the drive shaft 6 by the rotation of the operation lever 5, each part 101 to 10 of the blank 100 is rotated.
The respective drive systems for bending 7 operate in conjunction.
Therefore, in the following description, the front and rear side wall portions 101 and 10 will be described.
A drive system for bending the second wall is called a “first drive system”, and a drive system for bending the right outer wall portion 104, the right inner wall portion 105, the bottom wall portion 106, and the left inner wall portion 107 is referred to as a “second drive system”. System ", the left outer wall portion 103
The drive system for bending the drive is referred to as a “third drive system”.

First, the first drive system will be described. A drive gear 6a is attached to the rear end of the drive shaft 6,
The driven gear 10a of the first driven shaft 10
Are engaged. The first driven shaft 10 is also bridged between the front and rear subframes 4a and 4b and
And supported rotatably. The gear ratio between the driving gear 6a and the driven gear 10a is 1: 4. For this reason, when the operator grips the grip 5 a and rotates the operation lever 5 two times clockwise, the first driven shaft 10 rotates one turn in the counterclockwise direction through the rotation of the drive shaft 6.
Rotate 80 °.

The rotation of the first driven shaft 10 in the counterclockwise direction causes the front and rear side wall portions 101 and 102 of the blank 100 to rotate.
The bending plates 50 and 51 for bending are rotated in the upright direction. That is, an operating bar 11 is mounted on the front end face of the driven gear 10a at a position away from the center of rotation by a predetermined distance in a projecting manner forward, that is, in parallel with the first driven shaft 10. The lower sub-frame 4b extends below an operation frame body 60 to be described later through a long slot-shaped relief hole 4bb formed along the opposite circumference on the sub-frame 4b. When the first driven shaft 10 rotates, the operation bar 1
1 translates about the first driven shaft 10 within a range of about 180 °. When the operation lever 5 is not operated (original position),
The mounting position of the operation bar 11 is set so as to be located at substantially the same height as the first driven shaft 10.

On the other hand, the two bent plates 50 and 51 are
a, 51a, rotatably supported between supporting edges 4c, 4c formed inwardly (downward) along both left and right edges of the window portions W1, W2 of the frame 4, and set surfaces. A storage position almost flush with S and approximately 90 ° from the storage position
It is rotatable between the standing position and the standing position.

Operating shafts 50b, 51b are attached to the rotation supporting side ends of the two bent plates 50, 51 in parallel with the supporting shafts 50a, 51a, respectively, at a predetermined interval. The two bent plates 5 are connected via the two operation shafts 50b and 51b.
An operation frame 60 is disposed below 0,51 in a suspended manner.

The operating frame body 60 is formed by bending a steel plate into a substantially U-shape as shown in FIG. 5 alone, and has an escape hole 6 having a long slot shape in the front-rear direction at the upper portion thereof.
0c to 60c are formed. The operating shafts 50b and 51b are inserted into the pair of escape holes 60c and 60c on the left and right, respectively.
The vertical movement is allowed by the relative movement of the b and 51b in the escape hole 60c, and the air conditioner is suspended so as to be movable in the left-right direction. However, the operating frame 60 and the bent plate 5
Since the compression springs 50c and 51c are interposed between the operating frames 60 and 51, the operating frame 60 is urged to the left.

A horizontal operating edge 60a is formed at the lower part of the operating frame 60, and the operating bar 11 is in contact with the lower surface of the operating edge 60a. For this reason, the operation edge 60a is pushed upward by the upward displacement of the operation bar 11 accompanying the rotation of the drive shaft 6, whereby the operation frame body 60 moves upward. Then, as shown in FIG.
The two operating shafts 50b, 51b inserted through the
a, 51a, and translates upward so as to wrap around the inside of the support shaft 50a.
The arm rotates in the upright direction by the action of a rotational torque having the arm-to-axis distance between (51a) and the operating shaft 50b (51b).

Further, tension springs 50d, 51d are interposed between the operating shafts 50b, 51b and the operating frame body 60, respectively, so that the operating shafts 50b, 51b are constantly urged downward, and as a result, are folded. The bending plates 50 and 51 are urged in a direction to return to the horizontal position.

With the rotation of the drive shaft 6, the operating bar 11 is displaced to the left relative to the operating edge 60a of the operating frame 60, and the two bent plates 50, 51 are in the standing position of approximately 90 °. At the time when the blank 100 is rotated, that is, when the front and rear side walls 101 and 102 of the blank 100 are completely bent, the operation bar 11 is disengaged from the left end of the operation edge 60a, and the operation frame 60 is returned downward by its own weight. Consequently, the two bent plates 50 and 51 are pivoted downward by the tension springs 50d and 51d to return to the horizontal position.

On the other hand, even after the operating bar 11 is displaced from the left end of the operating edge 60a, the operating bar 11 moves in parallel in the counterclockwise direction around the axis with the rotation of the drive shaft 6. Therefore, when the operation lever 5 is returned in the counterclockwise direction after the completion of the box making process, the operation bar 11 comes into contact with the vertical edge 60b of the operation frame body 60. 51c
The operation bar 11 moves in the counterclockwise direction around the axis of the first driven shaft 10 while pushing the operation frame body 60 to the right. A return operation of 5 is allowed. In the process, when the operation bar 11 comes off the lower end of the vertical edge 60b, the operation frame body 60 is returned to the left by the compression springs 50c and 51c, whereby the operation bar 11 is returned to a position below the operation edge 60a again. Return.

Next, the second drive system will be described. As described above, the first driven shaft 1 is attached to the drive gear 6a of the drive shaft 6.
In addition to the zero driven gear 10a, a driven gear 20a of the second driven shaft 20 is meshed. The driven gear 20a has the same number of teeth as the driven gear 10a of the first driven shaft 10. Therefore, when the operation lever 5 is rotated twice clockwise, the second driven shaft 20 also rotates 180 ° counterclockwise with the rotation of the drive shaft 6.

The second driven shaft 20 has a blank 100
Plate 52 for bending the right side wall outer wall portion 104
Are supported so as to be rotatable in the upright direction.
A link arm 21 having a character shape is integrally fixed.

At the tip of the bent plate 52, the right wall inner wall 1
A bending plate 53 for bending the bottom wall portion 106 for bending the bottom wall portion 106 is provided at the end of the bending plate 53 via a connecting shaft 53a. Are connected to each other via a connecting shaft 55a so as to be rotatable in the upright direction. A tension spring 55b is interposed between the bent plate 53 and the bent plate 55, whereby the bent plate 55 is urged clockwise with respect to the bent plate 53.

One end of the connecting arm 23 is rotatably connected to the bent plate 55 via a connecting shaft 23a, and the other end of the connecting arm 23 is connected to the tip of the link arm 21 via the connecting shaft 21a. It is connected rotatably.

A torsion spring 22 is interposed between the bending plate 52 and the link arm 21 so that the two members 5
2 and 21 are urged in the direction in which they are mutually opened, that is, the bent plate 52 is urged in the upright direction (counterclockwise).
Are biased clockwise. However, the stopper surface 53b of the bent plate 53 is located on the rear surface of the bent plate 52 (the side where the blank 100 is not brought into contact at the time of bending, the same applies hereinafter).
, The stopper surface 55b of the bent plate 55 is brought into contact with the back surface of the bent plate 53, and the rotation in the clockwise direction is regulated, whereby the relative position between the bent plate 52 and the link arm 21 is reduced. The proper position does not move in a further opening direction from a position substantially perpendicular to each other when not operated.

The rotation of the link arm 21 in the clockwise direction is restricted by a stopper 21b provided on the bottom surface of the frame 4.

A stopper 52a is provided near the turning base of the bent plate 52. When the bent plate 52 is turned upward and reaches a standing position of about 90 °, the stopper 52a is turned on. Is the end face of the partition frame of the frame 4 and is in contact with the left end face 4d of the window W3 so that further rotation of the bent plate 52 is restricted.

According to the second drive system configured as described above, the bending plate 52 and the link arm 21 are mutually moved by the torsion spring 22 by the rotation of the drive shaft 6 accompanying the clockwise rotation of the operation lever 5. It rotates integrally counterclockwise while maintaining a substantially right angle position. Therefore, at this time, the bent plates 53 and 55 do not rotate. Drive shaft 6 is approximately 90
When the bent plate 52 reaches the standing position after being rotated by .degree., The stopper 52a comes into contact with the left end face 4d of the window W3 as described above, whereby further rotation of the bent plate 52 is restricted. . For this reason, when the operation lever 5 is rotated in the clockwise direction and the second driven shaft 20 is further rotated in the counterclockwise direction, the bent plate 52 does not further rotate in the counterclockwise direction. Although the link arm 21 is held at the upright position by the urging force of the torsion spring 22, the link arm 21 is further rotated counterclockwise against the torsion spring 21.

When the link arm 21 is further rotated in the counterclockwise direction, the distance between the link arm 21 and the bent plate 52 is reduced, so that the bent plate 53 is first turned counterclockwise about the connecting shaft 53a. The rotation of the bending plate 53 is stopped when the rotation of the bending plate 53 is completed, and the rotation of the bending plate 52 is substantially 180 ° and substantially overlapped with the bending plate 52. After that, the drive shaft 6
Is rotated in the counterclockwise direction and the link arm 21 is rotated in the same direction, the bent plate 55 rotates counterclockwise with respect to the bent plate 53 about the connection shaft 55a. I do. At this time, the bending plate 55 is rotated against the tension spring 55b.

When the bent plate 55 is rotated to reach a substantially horizontal position in this manner, the bent plate 55 is superimposed on the bent plates 50 and 51 that have already returned to the horizontal position, so that further rotation is prevented. Therefore, the counterclockwise rotation of the operation lever 5 is prevented.

When the operation lever 5 is rotated clockwise to return the box making device 1 to the original position, the link arm 21 is urged to rotate clockwise by the torsion spring 22. The urging force acts,
The bent plate 55 is moved to the stopper 55b by the tension spring 55b.
Is rotated to a position where it contacts the rear surface of the bent plate 53, the bent plate 53 is rotated to a position where the stopper 53b contacts the rear surface of the bent plate 52, and the bent plate 52 is returned to the horizontal position. . For this reason, the rotation operation force of the operator is sufficient with a smaller force, and the operation lever 5 is returned counterclockwise mainly by the urging force of the torsion spring 22.

Next, the third drive system will be described. A third driven shaft 30 is rotatable between the sub-frames 4a and 4b before and after the main frame 4, and the first and second driven shafts 1
The third driven shaft 30 has a wheel 30 a fixed to the rear end of the third driven shaft 30. The connecting pins 30b, 20b are provided on the rear end face of the wheel 30a and the rear end face of the second driven gear 20a at the same center distance as the rotation axes of the third and second driven shafts 30, 20, respectively. Is attached, and a connecting rod 31 is connected between the connecting pins 30b and 20b in a bridging manner and rotatably.

FIG. 7 shows how the connecting rod 31 is attached. The end of the connecting rod 31 on the wheel 30a side is rotatably supported by the wheel 30a via a connecting pin 30b. On the other hand, the second
A slot 31a is formed at the end on the driven gear 20a side, and a connecting pin 20b is inserted into the slot 31a, and the connecting rod 31 is connected to the second driven gear 20a. Further, a tension spring 32 is interposed between the connecting pins 20b and 30b.

A bent plate 54 for bending the left outer wall portion 103 of the blank 100 is attached to the third driven shaft 30. A stopper 54a is formed at the rotation base of the bent plate 54, and the bent plate 54
When the stopper 54a turns upward by 0 ° to reach the standing position, the stopper 54a contacts the right end face 4e of the window W4, thereby restricting the turning of the bent plate 54 in the rising direction.

According to the third drive system configured as described above, when the lever 5 is not operated as shown in FIG. 7, the connecting pin 20b is located at the position (c) in the figure, and the connecting pin 30b
Is located at position (a). Operate lever 5 360
At the stage of the rotation operation by one degree (one rotation), the second driven shaft 20 rotates by about 90 °, and the connecting pin 20b reaches the position (D). Therefore, the bent plate 52 rotates by about 90 ° and stands at the standing position. Leads to. During this time, the biasing force of the tension spring 32 keeps the space between the two connecting pins 20b, 30b, so that the wheel 30a and, consequently, the third driven shaft 30 also move about 9 mm in the opposite direction.
It rotates by 0 °, whereby the bent plate 54 reaches the upright position.

Thereafter, since the rotation of the bending plate 54 is restricted by the stopper 54a, when the operating lever 5 is further rotated clockwise, the third driven shaft 30 and, consequently, the wheel 30a do not rotate (accordingly, the connecting pin 30b does not move from the position (a)), but the second driven shaft 20 and, consequently, the second driven gear 20a alone are further rotated by 90 °.
By rotating, the connecting pin 20b moves from the position (D) to the position (E) in the figure. Therefore, during this time, both connecting pins 20
Although the distance between the shafts b and 30b increases against the tension spring 32, the connecting pin 2 on the second driven gear 20a side
0b is inserted into the long slot 31a, so that the connecting pin 20b can relatively move along the long slot 31a as shown by the two-dot chain line in the figure, and therefore the distance between the axes between the two connecting pins 20b, 30b can be reduced. Changes are allowed.

Next, reference numeral 70 in the figure denotes the set blank 1
00 is a holding plate for fixing its front edge so as not to be displaced. The holding plate 70 is formed by bending a steel plate into an L shape, as shown in FIG. It is attached to the front wall 4A of the frame 4 via a hinge 71 with a spring so that it can be opened and closed in the front-rear direction. The holding plate 70 is formed with a handle 70a for opening and closing operation. The blank 100 is fixed by sandwiching the front edge of the blank 100 between the holding plate 70 and the set surface S by the spring force of the hinge 71.

A cover 7 is provided near the rear of the set surface S.
5 are attached. The cover 75 covers the drive transmission unit including the second driven gear 20a and the wheel 30a or the connecting rod 31 that protrude upward from the set surface S. On the front surface of the cover 75, an overhang portion 75a is formed so as to extend substantially parallel to the set surface S with a space of about one sheet thickness of the blank 100 between the cover 75 and the set surface S. The overhang portion 75a and the set surface S
By fixing the rear edge by inserting the rear edge of the blank 100 between them, and also fixing the front edge by the pressing plate 70, the front and rear edges of the blank 100 are fixed on the set surface S. This prevents the blank 100 from being misaligned.

Next, the operation of the box making apparatus 1 of the present embodiment configured as described above will be described. While rotating the operation lever 5 in the clockwise direction, the first to third drive systems cooperate to perform a series of box making steps, whereby each part of the blank 100 shown in FIG. Is assembled. As described above, in the present embodiment, the drive gear 6a and the first and second driven gears 10a,
The case where the gear ratio of the gear 20a is 1: 4, and thus the operation lever 5 is rotated twice, the first and second driven gears 10a and 20a are rotated by 180 ° will be described.

FIG. 8 is a timing chart showing the operation of each part of the box making device 1. When the operation lever 5 is not operated to be rotated and not operated, the bent plates 50 to 54 are all positioned at a horizontal position flush with or parallel to the setting surface S. In this non-operation state, one blank 100 is set. The front and rear side wall portions 101 and 102 of the blank 100 are placed on the bent plates 50 and 51, the left side wall outer wall portion 103 is placed on the bent plate 54, and the right side wall outer wall portion 10 is placed.
4 is placed on the bent plate 52, and the right side wall inner wall portion 105 is placed on the bent plate, and the blank 100 is placed on the set surface S. In this state, the pressing plate 70 and the cover 75 are extended. The blank 100 is fixed using the part 75a.

When the operating lever 5 is rotated clockwise after setting the blank 100 in this manner, the first and second driven shafts 10 and 20 are accordingly rotated counterclockwise at a reduction ratio of 1/4. Direction, and thus the operating lever 5
Is rotated once (360 °), the first and second driven shafts 10 and 20 rotate 90 ° counterclockwise, respectively. When the first driven shaft 10 rotates 90 ° in the counterclockwise direction, the operation frame 6 is displaced upward by the rise of the operation bar 11, whereby the two bent plates 50, 51 move the support shaft 50.
It is rotated in the upright direction by 90 ° around the a and 51a to reach the upright position. The front and rear side wall portions 101, 1 of the blank 100 are associated with the rotation of the bent plates 50, 51 in the upright direction.
02 is bent upright at the fold lines 101a and 102a to form front and rear B1 and B2 of the box B.

On the other hand, when the second driven shaft 20 rotates 90 ° in the counterclockwise direction, the bent plate 52 rotates 90 ° in the upright direction to reach the upright position, whereby the right outer wall portion 104 of the blank 100 is moved. It is folded upright at the fold line 104a. At this point, the right wall outer wall 104,
The right side wall inner wall portion 105, the bottom wall portion 106, and the left side wall inner wall portion 107 are not bent, but are bent upward at the fold line 104b in a flat state.

The third drive system operates simultaneously with the operation of the first and second drive systems. That is, the rotation of the second driven shaft 20 causes the third driven shaft 30 to rotate 90 ° in the clockwise direction, so that the bent plate 54 rotates to the upright position.
Is folded upright at the fold line 103b.

As described above, when the operating lever 5 is first rotated one turn clockwise, the first to third driven shafts 10, 20,
30 are simultaneously rotated by 90 ° (the first and second driven shafts 10 and 20 are counterclockwise and the third driven shaft 30 is clockwise), and the bent plates 50, 51, 52 and 54 are set on the set surface. S is rotated to an upright position, which is upright at 90 ° with respect to S, whereby the front and rear side wall portions 101, 102,
The left and right side wall outer walls 103 and 104 are bent upright. At this time, the four overlapping portions 103b, 103
b, 104b, 104b are fold lines 103c, 104c
And the left and right side walls 103, 1
04 is superimposed on the inner surface side.

When the bent plates 52, 54 reach the upright position, the respective stopper portions 52a, 54a are moved to the window portions W3.
And the right end surface 4e of the window W4.
Rotation of both the bent plates 52 and 54 by 90 ° or more is restricted.

After the operation lever 5 is rotated once,
When the rotation operation is further performed in the same direction as it is, the first and second driven shafts 10 and 20 further rotate in the counterclockwise direction. When the first driven shaft 10 further rotates, the operation bar 11
Is disengaged from the lower surface of the operating edge 60a of the operating frame 60. For this reason, the operation frame body 60 moves downward by the biasing force of the tension springs 50d and 51d and its own weight, whereby the bent plates 50 and 51 pivot downward about the support shafts 50a and 51a. It is returned to the horizontal position in stages.

On the other hand, when the second driven shaft 20 is further rotated in the counterclockwise direction, the bent plate 52 does not rotate as described above, but the link arm 21 is further integrated with the second driven shaft 20 in the counterclockwise direction. , The bent plate 53 pivots downward (counterclockwise) about the connection shaft 53a, and thereby the inner wall portion 105 of the right side wall of the blank 100.
Is folded counterclockwise at the fold line 105a,
It gradually fits between the front and rear side walls B1 and B2. At this stage, since the bent plates 50 and 51 have already been returned to the horizontal position, the inner wall portion 105 on the right side wall is
It fits smoothly between 1 and B2.

In this process, the bottom wall portion 106 continuously provided on the right side of the right side wall inner wall portion 105 abuts on the left side wall outer wall portion 103, which has been bent upright, in a hanging manner. When the inner wall portion 105 is bent in the counterclockwise direction (the direction in which the inner wall portion 105 fits between the front and rear side walls B1 and B2), the bottom wall portion 106 is bent in the clockwise direction along the fold line 106a while the front and rear side wall B1 is also bent.
, B2.

Thus, the bent plate 53 rotates about 180 ° with respect to the bent plate 52 about the connecting shaft 53a,
When the right wall inner wall portion 105 of the blank 100 is bent by about 180 ° with respect to the right wall lower wall portion 104 and finally overlaps the inside of the right wall outer wall portion 104, the two wall portions 1 are formed.
The right side wall B4 of the two-layered structure of the box B is formed by 04 and 105. At this stage, since the bottom wall portion 106 and the left wall inner wall portion 107 (they have not been bent yet) remain on the left wall outer wall portion 103, as a result, the bottom wall portion 106 Is in a state of being bent by 90 ° or more at the fold line 106a with respect to the inner wall portion 105 on the right side wall.

Thereafter, the operating lever 5 is further rotated clockwise to finally rotate the operating lever 5 twice.
a about 30 ° in the counterclockwise direction, whereby the bottom wall portion 106 which has been bent at 90 ° or more at the fold line 106a can be folded back to the horizontal position. , 51 is bent in a direction (counterclockwise direction) in which it is pressed back by a slight angle (counterclockwise direction), and finally this bottom wall portion 106 is disposed orthogonally to the right side wall B4, and the bottom wall B5 of the box B is Is formed.

In the process of forming the bottom wall B5 by turning the bending plate 55 by 30 °, the left side wall inner wall 107 is bent along the fold line 107a and overlaps the left side wall outer wall 108 inside. Thus, the left side wall B3 of the two-layer structure is formed. Furthermore, this bottom wall B
5 and in the process of forming the left side wall B3, cuts 107c and 107c formed in the left side wall inner wall 107 and cuts 101b and 102 formed in the front and rear side wall parts 101 and 102.
b are engaged with each other and locked together, whereby the overlapping state of the left outer wall portion 103 and the left inner wall portion 107 is fixed.
The bending state of 07 is fixed.

While the operation lever 5 is rotated twice, the first to third drive tilts are interlocked and the respective bending plates 50 to 5
5 are sequentially rotated, whereby each part 10 of the blank 100 is rotated.
The box B is assembled by folding the boxes 1 to 107, and a series of box making steps of the box making apparatus 1 is completed. In addition,
For the cover B6 of the box B, the cover 108 is manually folded at the fold line 1
If the cover B6 is bent at 08a and the insertion piece 108b is inserted into the insertion hole 105b, the cover B6 is held in a closed state.

After the completion of the box making process, the operating handle 5 is returned two turns in the counterclockwise direction, so that the driven shafts 10 and
As shown in the timing chart of FIG. 8, the bent plates 52 to 55 in the upright state or the rotating state return to the horizontal position or the like at a timing opposite to the box making step, respectively.

In the return process of the second and third drive systems, the connecting pin 20b located at the position (e) as shown in FIG.
By being returned, it reaches the position (d), whereby the bent plates 53 and 55 are returned to a position where they are connected to the right side of the bent plate 52 (at this stage, above) in a flat plate shape. During this time, the connecting pin 20b relatively moves in the long slot 31a of the connecting rod 31 in combination with the tensile force of the tension spring 32, and at this stage, the connecting pin 30b on the third driven shaft 30 side does not move. The driven shaft 30 does not rotate counterclockwise.

After the operating lever 5 is returned by one turn (360 °) and the connecting pin 20b reaches the position (d), the operating lever 5 is further returned and the second driven shaft 20 is returned clockwise. As a result, the third driven shaft 30 rotates counterclockwise through the connecting rod 31, and thereby the connecting pin 3
0b is returned from the position (a) to the position (a), and the bent plate 54 is returned to the horizontal position.
When b moves from the position (d) to the position (c), the bent plate 52 is returned to the horizontal position.

In the box making process, the operating lever 5 is
When the rotation bar is rotated more than once, the operation bar 11 is
In this stage, the operating frame body 60 is returned downward, and thus the two folded plates 50, 5 are disengaged from the lower surface of the operating edge 60a.
1 has been returned to the horizontal position. From this, this first
In the process of restoring the drive system, when the operation lever 5 is returned by one rotation, the operation bar 11 is moved to the vertical edge 60b of the operation frame 60.
When the first driven shaft 10 is returned clockwise as it is, the operation frame 60 is pushed rightward.

Then, the operation frame 60 is moved to the compression spring 50c,
51c to the right against the action bar 11c.
And the clockwise return of the first driven shaft 10 is allowed. The operation bar 11 is displaced downward to move the operation frame 6
When it comes off the lower end of the zero vertical edge 60b, the operation frame body 60 is returned to the left by the compression springs 50c and 51c, and the operation bar 11 enters below the operation edge 60a and returns to its original position.

As described above, according to the box making apparatus 1 of the present embodiment, the box B is assembled by bending each part 101 to 107 of the blank 100 only by rotating the operation lever 5. Moreover, since all the drive systems of the box-making apparatus 1 are mechanically operated, they do not require any conventional actuators such as cylinders or motors, and therefore do not require any air source or power supply. Therefore, it can be easily used outdoors, such as in a vineyard. In addition, since it is a compact configuration consisting only of a mechanical configuration, it is easy to carry, unlike a conventional large-scale installation type box making apparatus, and in this regard, it is particularly suitable for use in harvesting work of farmers and the like. it can.

Further, the link arm 21 and the bent plate 52
, A tension spring 55c is interposed between the bent plate 53 and the bent plate 55, and the torsion spring 22 acts in the returning direction of the bent plate 53. And
The tension spring 55c acts in the direction in which the bent plate 55 returns. Therefore, when the operation lever 5 is returned after the box making process, the torsion spring 22 and the compression spring 55c act in the direction in which the operation lever 5 is returned.
The rotation operation in the returning direction can be performed quickly and easily.

Various modifications can be made to the embodiment described above. For example, the configuration in which each drive system is operated by the rotation operation of the operation lever 5 by a worker (manual type) is adopted. However, the drive shaft 6 is rotated by an electric motor, and a battery is used as a power source of the electric motor. This makes it possible to provide an electric box making apparatus that can be used outdoors. In this case, each drive system can be similarly operated only by pressing the start / stop switch or the reverse rotation switch of the electric motor, so that the operation is further simplified.

A bending plate 50 as each bending means is provided.
55 to 55 are not limited to steel plates, but may be formed of plastic plates as raw materials, and are not limited to the illustrated flat plate shapes, but may be frame shapes (shapes punched out from the center portions of the bent plates 50 to 55) or have sufficient rigidity. May be replaced by a bent bar or the like.

Further, by changing the height of the post 3, the set surface S is set to the waist height of the operator for standing work, or the post 3 is set to be shorter so that the box-making apparatus 1 can be placed on a desktop. It is possible to set it as a model, and it may be set according to the work mode. Needless to say, the height can be adjusted, and a caster may be attached to the lower surface of the base 2.

[Brief description of the drawings]

FIG. 1 is a diagram showing the internal structure of a box making device according to an embodiment of the present invention as viewed from the front side.

FIG. 2 is a plan view of the internal structure of the box making device.

FIG. 3 is a front view of the box making device.

FIG. 4 is a plan view of the box making device.

FIG. 5 is a perspective view of an operation frame.

FIG. 6 is a side view showing the turning state of the bending plates 50 and 51 accompanying the upward movement of the operation frame.

FIG. 7 is a view of a state in which a second driven shaft and a third driven shaft are interlocked as viewed from the front side.

FIG. 8 is a diagram showing a timing chart showing an operation order of each drive system.

FIG. 9 is a plan view of a blank.

FIG. 10 is a perspective view of the assembled box.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Box-making apparatus 4 ... Main frame 5 ... Operation lever 6 ... Drive shaft 10 ... 1st driven shaft 11 ... Operating bar 20 ... 2nd driven shaft 21 ... Link arm 30 ... 3rd driven shaft 31 ... Connecting rod 50 ... Folding Bending plate (for bending the front wall portion) 51 ... Bending plate (for bending the rear wall portion) 52 ... Bending plate (for bending the right wall outer wall portion) 53 ... Bending plate (for bending the right wall inner wall portion) 54: bent plate (for bending the outer wall of the left wall) 55: bent plate (for bending the bottom wall) 60: operating frame 100: blank S: setting surface B: box

Claims (3)

(57) [Claims] 1. A front and rear side wall portion and a left and right side wall portion of a blank ,
A box making apparatus for assembling a box by bending the bottom wall portion which is provided continuously to said right side wall, the first to be rotated a single drive shaft, by rotation of the drive shaft
The third driven shaft and the first driven shaft are rotated by the rotation of the
A front and rear side wall portion bending means for bending the front and rear side wall portions;
The right side wall is folded by rotating by the rotation of the second driven shaft.
For bending the right side wall bending means and for rotating the third driven shaft
Bending the left side wall to rotate and bend the left side wall
Pivoting means and the right side wall bending means are rotatably connected to each other.
And the right side wall is bent by the rotation of the second driven shaft.
Bottom wall that pivots with respect to the bending means to bend the bottom wall portion
Part bending means, wherein the drive shaft rotates and the front and rear
The side wall, the left and right side walls, and the bottom wall are continuously bent.
A box-making apparatus characterized by a configuration of 2. The box-making apparatus according to claim 1, wherein the front and rear side wall part bending means and the left and right side wall part bending means are stored along a blank setting surface when not operated. A box making device characterized by the following. 3. A front and rear side wall portion, a left and right side wall outer wall portion connected to the front and rear side wall portion with a fold line as a boundary, and a right wall inner wall continuously connected to the right side wall outer wall with a fold line as a boundary. Each of the blanks having a portion, a bottom wall portion connected to the right wall inner wall portion with a fold line as a border, and a left wall inner wall portion connected to the bottom wall portion with a fold line as a border. A box making apparatus which assembles a box having a front and rear side wall, a left and right side wall inner wall portion superposed on the inside of the left and right side wall outer wall portion and a bottom side wall, and a bottom wall. A single drive shaft that is rotated by a rotation operation of an operation lever, first and second driven shafts that rotate in conjunction with the drive shaft, and are rotated by the rotation of the first driven shaft, Front and rear side wall bending means for bending the front and rear side wall portions of the blank, and rotation of the second driven shaft A right wall outer wall folding means for rotating the blank to bend the right wall outer wall of the blank; and a second driven shaft connected to the right wall outer wall bending means after bending the right wall outer wall. Rotating by the rotation of the right wall inner wall portion bending means for folding the right wall inner wall portion inside the right wall outer wall portion so as to be overlapped with the right wall inner wall portion; After the right inner wall portion is bent, the second driven shaft is rotated by the rotation of the second driven shaft,
A bottom wall bending means for bending the bottom wall portion and bending the left wall inner wall portion so as to overlap the inside of the left wall outer wall portion; and a third driven shaft rotating in conjunction with the second driven shaft. And a left wall outer wall bending means for rotating the third driven shaft by rotation of the third driven shaft to bend the left wall outer wall of the blank.