JPS6141739B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method and apparatus for assembling partitions for packaging boxes such as cardboard boxes.

This invention solves the problems of conventionally assembling partitions for packaging boxes such as cardboard boxes by hand, which is complicated, troublesome, time-consuming, poor workability, and prohibits mass production, resulting in high costs. A method for assembling partitions for packaging boxes that simplifies the assembly and performs it mechanically and automatically, thereby making it easy, quick, and inexpensive to assemble and enabling mass production. The purpose of this invention is to provide a device for the same.

Specifically, the present invention firstly provides an intermediate partition comprising a plurality of partition parts for cutting and raising on both sides of a center fold line and support parts for the partition parts, each of which is bendable. Place and fix the paperboard on the paperboard mounting board,
While lowering this paperboard placement plate, the plurality of raising guide plates below the paperboard placement plate are passed through the paperboard placement plate to raise the partition section, and then the support bending member below the paperboard placement plate is inserted. After bending the supporting part upward and engaging it with the partition part, and then returning the paperboard placing plate upward, engaging hooks at both ends of the center fold line, the paperboard is placed on the paperboard placing plate. While lifting the paperboard further and regulating the positions of both support parts using guide members on the paperboard placement plate, the paperboard is preliminarily bent at the center fold line position, and then the paperboard is moved further upwards and folded at the center fold line portion. It is an object of the present invention to provide a method for assembling a partition for a packaging box that can be finished and bent and inserted into the packaging box. Furthermore, secondly, a paperboard mounting board is provided in which a paperboard for partitions similar to the above can be freely placed, a through hole is provided at a position corresponding to the partition part, and a rotating member for bending the support part is provided at a position corresponding to the support part. A placing plate, a link mechanism that supports the paperboard placing plate so that it can be freely lowered and returned upwards, and a plurality of rising guide plates and bent support parts provided in the through holes below the paperboard placing plate and at positions corresponding to the rotating members. While pressing and fixing the member and the paperboard, the paperboard mounting plate is lowered and the rising guide plate is penetrated through the through hole to stand up the partition, and then the rotating member is brought into contact with the support bending member. A pressing member that rotates to bend the supporting portion upward to enable engagement with the partitioning portion; and a pressing member that is provided integrally with the pressing member and after the pressure by the pressing member is released and the paperboard placement plate returns upward. A hook that engages with both ends of the center fold line of the paperboard to lift the paperboard from the paperboard placement board, and a hook that regulates the position of both supporting parts when the paperboard is lifted by the hook to synchronize with the lifting movement of the paperboard by the hooks. A guide member on the paperboard mounting plate that preliminarily bends the paperboard at the center line position, and a guide member on the paperboard mounting plate that preliminarily bends the paperboard at the center line position, and a center fold line portion of the paperboard that has been preliminarily bent at the upper limit of the movement of the hook is held and the final bending is performed. It is an object of the present invention to provide an assembly device for packaging partitions, which comprises a transport chuck and a transport chuck. In the present invention, the term "paperboard" is used to include not only cardboard made from a single flat piece of cardboard, but also corrugated paperboard made of corrugated paperboard with flat paperboard attached to both sides.

The present invention will be explained below based on the drawings.
For convenience of explanation, the assembly device will be explained first, and then the assembly method will be mentioned. In the figure, 1 is a paperboard for partitioning, and this paperboard 1 has two partitions 3 for cutting and raising on both sides of the center fold line 2 and support parts 4 for the partitions 3 that can be folded. The paperboard 1 is loaded on the paperboard supply section 5, and from there, it is sent one by one to the assembly section 6 where it is assembled as a partition 7, and then the partition 7 is assembled into the box assembly section 8. It is designed to be incorporated into the packaging box 9. Note that 10 is a notch portion formed in the support portion 4 of the paperboard 1 for engagement with the partition portion 3. First, in the paperboard supply section 5, the paperboard 1 at the lowest loading position is sent out to the assembly section 6 side by the feed claw 14 connected to the motor 11 via the reduction gear 12 and the crank mechanism 13. An auxiliary feed pawl 18 with a needle 17 connected to the reduction gear 12 through a cam 15 and a pin 16 feeds the paperboard 1 slightly toward the assembly section 6 in advance, and the paperboard 1 is placed on the feed pawl 14.
This ensures reliable engagement.
Next, in the assembly section 6, the paperboard 1 sent from the paperboard supply section 5 is placed on a paperboard placement plate 19. The paperboard mounting plate 19 is provided with through holes 20 at positions corresponding to the partitions 3 of the paperboard 1, and a rotating member 21 for bending the support parts 4 is provided at positions corresponding to the support parts 4. Note that a roller 22 is provided on the rotating member 21 so as to protrude downward.
Further, the paperboard mounting plate 19 is supported so as to be freely descendable via a link mechanism 23 which is freely extendable and retractable, and is biased in the direction of extension by a spring 24 provided in the link mechanism 23, so that it can freely return upward after descending. There is. Further, below the paperboard mounting plate 19, a plurality of (four in this case) uprights are provided at corresponding positions of the through holes 20 of the paperboard mounting plate 19 and the rotating member 21 so that the partition portions 3 can be raised freely. A support bending member 26 for rotating the raising guide plate 25 and the rotating member 21 is fixedly provided. Further, above the paperboard mounting plate 19, a pressing member 29 is provided which is integrated with the connecting rod 28 of the link mechanism 27 connected to the reduction gear 12 and moves up and down as the connecting rod 28 moves. This pressing member 29 presses and fixes the paperboard 1 placed on the paperboard mounting plate 19 while lowering the paperboard mounting plate 19 against the biasing force of the spring 24, and the rising guide plate 25 is inserted into the through hole. 20 to stand up the partition part 3, the rotary member is brought into contact with the support part bending member 26 and rotated to bend the support part 4 upward, and the engagement notch part 10 of the support part 4 is bent. It is designed so that it can be engaged with the partition part 3. Further, a hook 30 is integrally provided on the pressing member 29, and this hook 30 moves up and down at the same time as the pressing member 29, so that the pressing by the pressing member 29 is released and the paperboard mounting plate 19
When it returns upward, it moves upward together with the pressing member 29 and engages with both ends 31 of the center fold line 2 of the paperboard 1, thereby lifting the paperboard 1 from above the paperboard placement plate 19. Further, a guide member 32 is provided on the paperboard mounting plate 19 for regulating the position of the paperboard 1 on both support portions 4 sides when the paperboard 1 is lifted by the hook 30. Together with the lifting movement, the paperboard 1 is preliminarily bent at the center fold line 2 position. A chuck 33 for conveyance is disposed above the hook 30, and when the hook 30 reaches the upper limit position, the hook 30 inserts and clamps the center fold line 2 part into the chuck 33, and the center The two parts of the fold line are finished and bent. A large number of the chucks 33 are attached to a chain 36 which extends from the assembly section 6 to the box assembly section 8 and is movable via a motor 34 and a sprocket 35. Furthermore, in the box assembly section 8, the inner partition 7 sent by the chuck 33 is
is held in a cylinder 37 by a chuck 38 that opens and closes, and the chuck 38 is connected to a cylinder 39 for vertical movement.
After moving it downward and removing it from the chuck 33, it is inserted and assembled into the packaging box 9.

Next, the operation of the above-mentioned assembly apparatus and the assembly method will be explained. First, when the motor 11 is operated, the crank mechanism 13 connected to the reduction gear 12 and the cam 1
5 and the link mechanism 27 interlock, and the auxiliary feed claw 18
The paperboard 1 is fed onto the paperboard mounting plate 19 by the feed claw 14. Next, when the paperboard 1 is placed on the paperboard placement plate 19, the pressing member 29 moves downward to press and fix the paperboard 1. Then, the pressing member 29 further presses the paperboard 1 to lower the paperboard placement plate 19 against the biasing force of the spring 24. Then,
The paperboard placement plate 19 approaches the stand-up guide plate 25 and the support portion bending member 26, and as a result, the rise-up guide plate 25 passes through the through hole 20 of the paperboard placement plate 19 and moves the partition portion 3 into the fifth position. Push it up as shown in the figure. Next, the rotating member 21 comes into contact with the support bending member 26 and rotates, bending the support part 4 upward, and the support part 4 (specifically, the engagement notch 10) engages with the partition part 3. As shown in FIG. 6, the partition portion 3 is maintained in the raised state. Next, when the pressing member 29 reaches the lower limit position, the pressing member 29 begins to move upward, and in conjunction with this, the paperboard mounting plate 19 returns upward under the urging force of the spring 24. Next, the pressing member 29 continues to move upward from this state, and the pressing member 2
As the hook 30 integrated with the board 9 moves upward, it engages with both ends 31 of the center fold line 2 of the paperboard 1 and lifts the paperboard 1 from above the paperboard placement plate 19, and at the same time as the hook 30 moves upward, the guide member 32 The paperboard 1 is preliminarily bent at the center fold line 2 position by regulating the positions of both supporting parts 4 and by lifting the hooks 30 and regulating the position of the guide member 32. Then, the hook 30 further moves upward, and at the upper limit position of the movement, the 2 center fold lines of the paperboard 1 are inserted and clamped by the conveying chuck 33, and the 2 center fold lines are crushed by this clamping force to allow the board to stand up and bend. As shown in FIG. 7, it is in a state in which it can be inserted into a packaging box 9, that is, in a state in which a complete partition 7 is formed. Then, this partition 7 is conveyed while being held in a chuck 33 to an in-box assembly section 8, where it is transferred to an insertion/assembly chuck 38 and assembled into a packaging box 9.

As explained above, according to the method and device for assembling partitions for packaging boxes of the present invention, the above-described configuration simplifies the assembly compared to the conventional manual assembly. Assembling can be performed precisely and automatically, and as a result, assembly can be performed simply, quickly, and at low cost, and mass production can be achieved.

[Brief explanation of the drawing]

Fig. 1 is a front view showing an embodiment of the packaging box partition assembly device of the present invention, Fig. 2 is an enlarged vertical cross-sectional view of Fig. 1, and Fig. 3 is a vicinity of the paperboard mounting plate shown in Fig. 2. FIG. 4 is a perspective view of the paperboard for partitioning, and FIGS. 5 to 7 are perspective views showing the process of assembling the paperboard. 1... Paperboard for partition, 2... Center fold line, 3...
...Partition part, 4...Support part, 7...Inner partition, 9...
Packaging box, 19...Paperboard mounting plate, 20...Through hole,
21...Rotating member, 25...Starting guide plate, 2
6...Support bending member, 29...Press member, 30
... hook, 31 ... both ends, 32 ... guide member, 33 ... chuck.

Claims (1)

[Scope of Claims] 1. Paperboard for partitions is placed on the paperboard, and the paperboard is provided with a plurality of partitions for cutting and raising on both sides of the center fold line and support parts for the partitions, each of which is bendable. Place and fix the paperboard on the board, and while lowering the paperboard mounting plate, pass through the paperboard mounting plate with the plurality of raising guide plates below the paperboard mounting plate to raise the partition section. Bend the support part upward using the support part bending member below the placing plate to engage it with the partition part, and then return the paperboard placing plate upward and engage the hooks at both ends of the center fold line. Then, lift the paperboard from above the paperboard placement plate, and pre-fold it at the center fold line position while regulating the position of both supports using the guide member on the paperboard placement board, and then fold the paperboard further. A method for assembling a partition for a packaging box, characterized in that the partition is moved upward, the center fold line portion is held between chucks, and the center fold line portion is finally bent to a state that it can be inserted into the packaging box. 2. Paperboard for partitions, which is provided with a plurality of partitions for cutting and raising on both sides of the center fold line and support parts for the partitions, each of which can be folded, can be freely placed thereon, and the above-mentioned partitions are a paperboard mounting plate provided with through holes at corresponding positions and a rotating member for bending the support portion at a corresponding position of the support portion; a link mechanism that supports the paperboard mounting plate so as to be freely descendable and freely returnable upward; A plurality of start-up guide plates and support bending members provided in the through-holes below the paperboard placement plate and at positions corresponding to the rotating members, and the above-mentioned start-up guide plate that presses and fixes the paperboard while lowering the paperboard placement plate. is passed through the through hole to raise the partition part, and then the rotary member is brought into contact with the support bending member and rotated to bend the support part upward and press to enable engagement with the partition part. a member, and a hook that is provided integrally with the pressing member and that engages with both ends of the center fold line of the paperboard to lift the paperboard from above the paperboard mounting plate after the pressure by the pressing member is released and the paperboard mounting plate returns upward. and a guide member on the paperboard mounting plate that regulates the positions of both supporting parts when the paperboard is lifted by the hook, and preliminarily bends the paperboard at the center fold line position in conjunction with the lifting movement of the paperboard by the hook. and a chuck for conveyance which clamps the central fold line portion of the paperboard which has been preliminarily bent at the upper limit position of the movement of the hook and makes the final bend. Device.