JPH0442103Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Field of Application) The present invention relates to a box-making device for producing boxes with partition plates cut and raised, such as product packaging boxes, from a plate-shaped box material.

(Prior art) Conventionally, as a box making device, for example,
The structure described in Publication No. 2191 is known. This box-making device transports a plate-shaped box material made of cardboard or the like, uses a press to bend each edge piece of the box material one by one, and attaches the bent adhesive piece to the edge of the edge piece with adhesive. The structure is such that the case is assembled by gluing the parts together. Further, cutting and raising the partition plate from the box body had to be done manually, which caused the problem of poor workability. Also, for example, JP-A-60-
As described in Japanese Patent No. 32642, a structure is known in which a plate is pushed down and the partition plate is brought into contact with the raised plate and cut and raised.

(Problem to be solved by the invention) However, even if the structure described in JP-A-60-32642 is applied so that the partition plate is cut and raised after the box is manufactured, the cut-and-raised partition plate is The partition plate returns from the bent portion with restoring force, making it difficult to reliably maintain the partition plate in the upright position.

This invention was created in view of the above problems.
To provide a box-making device capable of cutting and raising a partition plate continuously with the production of a box body, and also capable of surely standing up the cut-and-raised partition plate.

(Means for Solving the Problems) The box making device of the present invention includes a table that is provided on a frame so as to be movable up and down and is always urged upward to support a plate-shaped box material, and a table that is located above the table. a press body which is provided on the frame so as to be movable up and down and which lowers the box material supported on the table together with the table by a downward movement; a bending plate disposed on the frame and slanting downwardly inward to bend both sides and front and rear edge pieces of the descending box material; A bending piece is provided on the frame to bend an adhesive piece at a corner of the descending box material, and a partition stand device is provided on the frame so as to face a lower position of each opening of the table. , each of the partition stand devices is located below each opening of the table on a support provided in the frame, and has a base rotatably supported by a support shaft, and the opening of the table that is lowered is supported by a support shaft. An approximately L-shaped lever that bends the partition plate of the box upward through the lever, an arm protruding near the base of this lever that rotates the lever integrally, and a shaft mounted on the upper end of this arm. A connector consisting of a roller that contacts the lower surface of the lowered table and a protrusion extending from the abutment and the lever is stretched between the lever and urges the lever in an upright state. It is equipped with a coil spring.

(Function) The box making device of the present invention supports a plate-shaped box material 51 on the table 2, lowers the press body 11 to lower the box material 51 together with the table 2, and forms the box by lowering the box material 51. Both sides of the material 51 and the front and rear edge pieces 5
7, 58 are bent upward by the inclined bending pieces 21, 22 on both sides and the front and rear,
The adhesive pieces 61 at each corner of the box material 51 are bent by the adhesive pieces 23 to form a box. Then, when the box material 51 is further lowered together with the table 2 by the press body 11, the lever 34 of the partition stand device 31
passes through each opening 3 of the table 2 and hits the cut-and-raised partition plate 64 of the box material 51, bends the partition plate 64 upward, and the joint 36 is pushed down by the lower surface of the table 2, and the arm Lever 34 via 35
The lever 34 rotates around the support shaft 33 as a fulcrum.
The partition plate 64 is further bent to give it a strong bend.

(Example) Next, the configuration of an example of the present invention will be described with reference to the drawings.

1 to 3, reference numeral 1 denotes a frame, and within this frame 1 is provided a table 2 that moves up and down. This table 2 has openings 3 formed on the front and rear sides, and guide rods 4 and 5 are vertically installed at the center of the lower surface and at the front and rear sides.
The guide rods 4 and 5 are fitted into guide tubes 6 and 7 provided on the frame 1 so as to be vertically movable. Further, an intermediate portion of a horizontal bar 8 is fixed to the lower end portions of the guide rods 4 and 5 in the central portion, and a coil spring 9 is stretched between both ends of the horizontal bar 8 and the upper portion of the frame 1. is supported so as to be able to move up and down and is always urged upward.

Further, a press body 11 is disposed within the frame 1 above the table 2 so as to be vertically movable. This press body 11 has openings 1 on the front and rear sides.
2 is formed, and a piston rod 14 of a cylinder 13 fixed to the frame 1 is connected to the upper center, and guide rods 1 are formed at the front and rear upper portions.
5 is erected, and each guide rod 15 is fitted and supported in a guide tube 16 provided on the frame 1 so as to be vertically movable.

Further, the frame 1 is provided with bending plates 21 on both sides of the table 2 in the raised position, which are inclined inward and downward. In contrast, front and rear bending plates 22 are provided at positions slightly below the bending plates 21 on both sides, which are inclined toward the inner side and downward. Furthermore, the above frame 1
For each corner of the raised position of the table 2,
The bending pieces 23 of the bending plates 21 on both sides are provided in a protruding manner. Furthermore, guide frames 24 are provided on the frame 1 at positions outside the bending plates 21 on both sides.

Further, a partition stand device 31 is provided on the frame 1 at a position below each opening 3 of the table 2. Each partition stand device 31 has a support base 3.
2, the lower end base of a substantially L-shaped lever 34 is rotatably supported by a support shaft 33, and this lever 34
An arm 35 for rotating the lever 34 is integrally protruded from near the base of the arm 35, and a connector 36 made of a roller is rotatably mounted on the upper end of the arm 35, and extends from the support 32. Projection piece 3
A coil spring 3 is installed between the lever 34 and the lever 34.
8 is tensioned, and the lever 34 is always held upright by the biasing force of the spring 38.

Moreover, as shown in FIG.
The box material supply device 41 is connected to the front and rear feed rollers 4.
The nozzle 4 of an adhesive supplying device 45 is connected via guide frames 42 on both sides having rollers 3 and 44 disposed thereon, and performs hot melting between the front and rear feed rollers 43 and 44.
6 are arranged.

Next, FIGS. 5 and 7 show a plate-shaped box material 51 made of cardboard, cardboard, etc.
The figure shows the formation of the main body 52 of the box shown in FIG. 6, and the one shown in FIG. 7 forms the lid 53 of the box shown in FIG.

These box materials 51 have edge pieces 57 and 58 formed on both sides and front and rear sides of an elongated plate body 54 through folds 55 and 56 that are orthogonal to each other, and edge pieces 57 on both sides. Adhesive pieces 61 are connected to the front and rear sides of the sheet through folds 59 and cuts 60.

In addition, a partition plate 64 is further formed in the box material 51 of the main body 52 in FIG. 5 on the front and rear sides of the plate body 54 via folds 62 and cuts 63.

Then, for each box material 51, the edge pieces 57, 58 on both sides and the front and back are bent from the folds 55, 56, and each adhesive piece 61 is bent from the fold 59, and placed inside the front and rear edge pieces 58. Glued with adhesive, and the 6th
As shown in the drawings and FIG. 8, the main body 52 and the lid 53 are assembled.

Moreover, in the main body 52, each partition plate 64 is bent from the fold line 62 and is arranged upright.

Next, the operation of this embodiment will be explained.

First, the case where the main body 52 shown in FIG. 6 is manufactured using the box material 51 shown in FIG. 5 will be described.

The box materials 51 of the main body 52 are fed out one by one from the box material supply device 41. This sent-out piece of box material 51 is supported by guide frames 42 on both sides at both side edges and is sent by feed rollers 44 and 43 in the center. In addition, the adhesive supply device 45 is operated intermittently in synchronization with the feeding of the box material 51, and instantaneously discharges adhesive from the nozzle 46 to remove the box material 5.
Adhesive is applied to both sides of the front and rear edge pieces 58 of 1. Then, the box material 51 coated with the adhesive at a predetermined position is fed onto the guide frames 24 on both sides of the box making device A, and placed on the table 2.

Further, when the box material 51 is placed at a predetermined position above the table 2, the cylinder 13 is activated to lower the press body 11 via the piston rod 14. As the press body 11 descends, the box material 51 is lowered together with the table 2, and as the box material 51 descends, the edge pieces 57 on both sides of the box material 51 are moved upward by the inclined bending plates 21 on both sides. At the same time, each adhesive piece 23 at both ends of the edge pieces 57 on both sides
is bent inward by.

Next, when the box material 51 is further lowered by the press body 11, the front and rear edge pieces 57 are bent upward by the front and rear inclined bending plates 22, and
The adhesive-applied portions at both ends of the inner surface are brought into contact with the outer surface of each adhesive piece 61 that has been bent first, and bonded.

Subsequently, when the box material 51 is further lowered together with the table 2 by the press body 11, the levers 34 of each partition stand device 31 pass through each opening 3 of the table 2 and come into contact with each partition plate 64 of the box material 51. When the partition plate 64 is bent upward, the connector 36 is pushed down by the lower surface of the table 2, and the lever 34 is rotated about the support shaft 33 via the arm 35. Then, the partition plate 64 is further bent to give it a strong bend.

Next, the cylinder 13 is reversed and the press body 11
When the table 2 rises, the pressure of the table 2 against the connector 36 of each partition stand device 31 is released, the lever 34 is returned to an upright state by the coil spring 38, and the table 2 is returned to a predetermined height position by the coil spring 9.

Then, in this state, the next box material 51 is fed in, and the assembled main body 52 is pushed out.

Next, when making the lid 53 shown in FIG. 8 using the box material 51 shown in FIG.
In addition to setting the size to match the top plate of the
The positions of the bending plates 21 and 22 and the bending piece 23 are adjusted forward and backward to match the positions of the edge pieces 57 and 58 and the adhesive piece 61, and further, the coil spring 38 of each partition stand device 31 is moved relative to the lever 34. The lever 34 is released and the lever 34 is laid down.

After this, the lid body 53 is formed by feeding the box materials 51 one by one in the same manner as described above.

In addition, depending on the size and shape of the box to be assembled,
While changing the press body 11, the bending plate 21,
22 and the bending piece 23 are adjusted forward and backward,
For the press body 11, another press body to be replaced may be detachably attached to the lower surface of the standard press body.

In addition, the adhesive pieces 61 of the box material 51 are attached to the edge pieces 5 on both sides.
7, the adhesive piece 61 may be connected to both ends of the front and rear edge pieces 58.
58, a pressing device such as a cylinder device may be attached to press the adhesive piece 61 against the edge pieces 57, 58 for a predetermined period of time to ensure adhesion.

(Effects of the invention) According to the invention, a plate-shaped box material is supported on a table, the press body is lowered, the box material is lowered together with the table, and both sides and front and rear edge pieces of the box material are The box can be formed by bending the box upwards using the inclined bending plates at the front and rear, and by bending the glued pieces at each corner of the box inward. The cutting and raising of the partition plates can be carried out simultaneously at the same position, the partition plates can be cut and raised continuously following this box making process, and the cut and rise of the partition plates can be ensured.

[Brief explanation of the drawing]

Fig. 1 is a side view with a part cut away showing an embodiment of a box making device showing an embodiment of the present invention, Fig. 2 is a front view with a part cut away of the same as above, and Fig. 3 is a plan view of the same as above. Figure 4 is a side view of the installed state of the same device, Figure 5 is
FIG. 6 is an exploded plan view of the same box material, FIG. 6 is an assembled perspective view of the same, FIG. 7 is a developed plan view of another box material, and FIG. 8 is an assembled perspective view thereof. DESCRIPTION OF SYMBOLS 1... Frame, 2... Table, 3... Opening of table 2, 11... Press body, 21, 22
... Bending plate, 23 ... Bending piece, 31 ... Partition standing device, 32 ... Support base, 33 ... Support shaft, 34 ... Lever, 35 ... Arm, 36 ... Zygote, 37 ... …
Projection piece, 38... Spring, 51... Box material, 5
7, 58...edge piece, 61...adhesive piece, 64...partition plate.

Claims (1)

[Scope of Claim for Utility Model Registration] A table that is provided on a frame so as to be movable up and down and always urged upward to support a plate-shaped box; A table that is located above the table and is movable up and down on the frame; a press body that lowers the box material supported on the table together with the table by a lowering operation; a bending plate that is inclined toward the lower side and bends both sides and front and rear edge pieces of the lowering box member; a bending piece for bending an adhesive piece at a corner; and a partition stand device provided on the frame to face a position below each opening of the table, each of the partition stand devices being connected to the frame. The partition plate of the box is inserted through the lowered openings of the table, the base of which is rotatably supported by a support shaft located below each opening of the table on abutments provided in the table. An almost L-shaped lever that bends upward,
An arm that protrudes near the base of the lever and integrally rotates the lever, a joint consisting of a roller that is pivoted on the upper end of the arm and comes into contact with the lower surface of the lowered table, and the support. A box making device comprising a coil spring stretched between the protruding piece extending from the lever and the lever and biasing the lever in a direction to hold the lever in an upright state.