JPH06239304A - Method and device for automatically boxing product, and returnable box correcting device - Google Patents

Abstract

PURPOSE:To provide an automatically boxing method of a product, which aligns and stacks products being transferred and carried in, and inserts the products in a returnable box being positioned and carried into a specified position, smoothly and quickly as a batch to store them in the returnable box, and a returnable box correcting device which expands the peripheral edge of the returnable box in order to prevent an interference between the products and the returnable box from occurring at the time of the insertion of the products. CONSTITUTION:Products 7 which are aligned and stacked in a temporary frame 3 by a robot mechanism unit 4 are pressed in a returnable box 6 by a pushing out tool 5 while the peripheral edge of the returnable box 6, which is arranged to be confronted with the temporary frame 3, is expanded by flap board 34, 35 of a returnable box correcting device 2 which is inserted between the temporary frame 3 and the returnable box 6. The returnable box 6 in which the products 7 are stored is carried out by a carrying-out conveyor 28, etc., to the next process.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention conveys a large number of products such as cylindrical empty tube containers, aligns and stacks them at a predetermined position, stores a predetermined amount in a box, and conveys them to the next process side. The present invention relates to an automatic box packing method and apparatus, and a box straightening apparatus for correcting deformation of the box and smoothly inserting the product.

[0002]

2. Description of the Related Art Cylindrical tube containers filled with medical products, cosmetics and the like are sequentially transported by an automatic transporting device, and are stored and transported in a cardboard box-like box at a predetermined position. When inserting a large number of tube containers into a cover-type through box, the boxes are generally packed manually, and some of them are automated by a robot. In addition, as a general boxing method, an apparatus that opens a lid of a packaging box to make it easy for a product to enter has been conventionally used. For example, Japanese Utility Model Publication No. 57-202904 and Japanese Utility Model Publication No. 58-1.
No. 5,287, Japanese Utility Model Publication No. 4-51126, Japanese Utility Model Publication No. 58-3406 are cited.

The flap opening device of Japanese Utility Model Laid-Open No. 57-202904 discloses a large number of cylinders using a link, a slide base and the like for a horizontal opening lever and a vertical opening lever that abut and engage with the opening side of a cardboard box. Then, the cardboard box is forcibly opened by moving it back and forth, and the products are stored in the cardboard box after releasing the engagement between these levers and the cardboard box. In Japanese Utility Model Publication No. 58-15287, the flap of the sealed cardboard box is forcibly opened. The outer flap packer is opened by the outer flap packer opening / closing cylinder to open the flap of the cardboard box from the sealed state to the open side. Along with the bending, the flap guider lifting cylinder moves the flap guide downward to bend the bent flap further downward so that the flap of the cardboard box is largely opened. Actual fairness 4-5
The welding rod cartoning device of Japanese Patent No. 1126 is a cartoning device in which a predetermined amount of welding rods are put into a packaging box in which a film-like moisture-proof bag is inserted, and the box is sealed. An air outlet for generating an air flow that rises along the side of the packaging box is attached to the lifting table, and a guide plate that presses the moisture-proof bag inside the packaging box against the box is attached to the lifting table to prevent moisture when moving up and down. The bag is pushed toward the box to facilitate the insertion of the welding rod.
In the manufacturing insertion device of Japanese Utility Model Laid-Open No. 58-3406, a product guide cylinder having a product housed therein is arranged so as to face a small box for packing the product, and the product in the product guide cylinder is reduced by an insertion plate. It is pushed into the box.

[0004]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention Saikai 57-2
In both of the disclosures of No. 02904 and No. 58-15287, the flap of the cardboard box is forcibly opened, but the opening operation of the flap and the pushing operation of the product are not linked. Also, it does not push the outer edge of the cardboard box itself. What is disclosed in Japanese Utility Model Publication No. 4-51126 is such that the opening of the cardboard box and the insertion of the product are synchronized, but there is no problem when the hard materials such as welding rods are inserted separately, but later. It is not applicable to products such as the tube container described in which products are aligned and stacked. On the other hand, the one disclosed in Japanese Utility Model Laid-Open No. 58-3406 discloses a method in which an inclined flap expansion guide is brought into contact with a flap of a small box and the flap is bent to insert a product. Is not connected to a power unit, and is expanded by the product itself when the product is inserted, and it cannot be used because it will be transformed into a relatively soft product such as a tube container. In addition, since the peripheral edge of the small box on the opening side itself is not widened, there is a problem that the product is caught on the peripheral edge of the small box depending on the shape of the product.

The present invention was conceived in view of the above circumstances, and when a gusset bag is put inside a through box and products such as tube containers are pushed into the container in an aligned stacking state,
An object of the present invention is to provide an automatic box packing method and device that allows a product to be smoothly and surely inserted without contacting the peripheral edge of a box. In particular, since the opening-side peripheral edge of the container box deforms inward with repeated use, the peripheral edge is positively expanded and straightened prior to product insertion to improve the efficiency of automatic product insertion. It is an object of the present invention to provide an automatic box packing method and apparatus for the product and a box straightening apparatus.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a method for automatically packaging a product in which a large number of products that are successively transported are aligned and stacked at a predetermined position and packaged in a through box. In the above, the products are stacked in a predetermined number of rows in a temporary frame and positioned at a position opposite to the opening side of the container that is conveyed to a predetermined position, and the peripheral edge of the opening of the container is located from the inside to the outside. It is characterized in that the product in the temporary frame is pushed into the box and then stored in the box. Also, in an automatic boxing device for products that sequentially stacks a large number of products in a predetermined position and packs them in a through box, a mechanism part that aligns and stacks a predetermined amount of products in a temporary frame, and The through box positioned at a predetermined position with the opening side facing the temporary frame and the through box correction device provided between the temporary frames, and the product inside the temporary frame that penetrates through the through box correction device. A push-in tool for pushing into the case is provided, and the case corrector comprises a frame body having a peripheral portion matching the peripheral shape of the case,
A flap plate is rotatably supported on the peripheral edge portion by abutting engagement with the peripheral edge on the opening side of the container box to push the peripheral edge portion outward from the inside, and each flap plate is also rotatably supported. The present invention constitutes an automatic product packaging apparatus including an actuator for rotating the. More specifically, claim 2
A box straightening device in an automatic boxing device for a product according to claim 1, which is provided with four peripheral plate portions that are bolted to each other to form a peripheral edge of the frame body, and is installed between the peripheral plate portions, and rotates in opposition to each other. A pair of rotary shafts that are connected to the shafts by a chain transmission mechanism, a flap plate that supports the base end side along the axis of the rotary shaft, an actuator that is installed on the stationary side of the machine, and the actuator. The present invention constitutes a box straightening device having a coupling that connects the rotating shaft.

[0007]

The products are individually conveyed and aligned and stacked in the temporary frame. When the box is positioned at a predetermined position with the opening side facing the temporary frame, the flap plate of the box straightening device abuts and engages with the peripheral edge of the box, pushing the peripheral edge from the inside toward the outside. spread.
In this state, the product in the temporary frame is pushed by the pushing tool, penetrates the box passing correction device, and is stored in the box. By the above-described repeated work, a predetermined amount of product is sequentially stored in the box and conveyed to the next process side. On the other hand, the box passing correction device is composed of a frame body surrounded on all sides by a peripheral plate portion and having a rotating shaft for supporting the flap plate, and the flap plate is rotated by the operation of an actuator to push the peripheral edge of the box. It is formed to expand. The box passing correction device has a simple structure that can be disassembled as described above, and can be easily recombined according to the shape and size of the box. In addition, it is possible to flexibly deal with product changes.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a partially exploded perspective view showing the entire structure of the apparatus of one embodiment of the present invention, FIG. 2 is a partial front view of the apparatus for explaining the movement of the product, and FIG. 3 is a schematic perspective view of the box passing correction apparatus. 4, FIG. 4 is a schematic perspective view showing the rotating operation of the flap plate of the box passing correction device, FIG. 5 is a perspective view of the box passing through of the present embodiment, and FIG. 6 is a perspective view showing products stored in the box passing through. FIG. 7 is a schematic side view showing the arrangement of the main constituent elements of this embodiment before product insertion, FIG. 8 is a schematic side view showing the product insertion state in the container box, and FIG. 9 is a detailed structure of the container box correction device. FIG. 10 is a front view, and FIG. 10 is a partial side view showing an outline of the chain structure of the chain transmission mechanism portion in FIG.

As shown in FIG. 1, the automatic cartoning device 1 includes a box straightening device 2, a temporary frame 3 for temporarily holding products 7 in an aligned stack, and a product 7 inserted into the temporary frame 3. The robot mechanism unit 4 for aligning, the pushing tool 5 for pushing the product 7 in the temporary frame 3, the through box 6 for packing the product 7 in a box, and the like. As shown in FIG. 2, the products 7 conveyed one by one from the conveyer 8 are put into the aligning plate 10 from the vacuum drum 9 and arranged in a line. When a certain amount of products 7 are aligned on the alignment plate 10, the alignment plate 10 moves rapidly,
The temporary frame 3 is positioned at a position facing the mounting surface 11 (FIG. 1). Here, the product 7 is put on the mounting surface 11 in the temporary frame 3 by the push plate 12. The stopper tool 13 regulates the input end of the product 7, and the elevating tool 14 regulates the upper surface of the product 7 to align the products 7. The empty aligning plate 10 quickly returns to its original position to align the next product 7. The temporary frame 3 is hung by a lifter 15 so as to be vertically movable. That is, when the products 7 in the first row are put on the mounting surface 11 of the temporary frame 3 and aligned, the temporary frames 3 are lowered by one pitch of the products 7 until the products 7 in the second row arrive. , The products in the second row are moved so as to be stacked on the products 7 in the first row. As described above, the temporary frame 3 is guided on both sides by the guides 16 (FIG. 2) and gradually moves downward in synchronism with the loading of the product 7, and when the predetermined amount of aligned stacking is completed, the temporary frame 3 is moved relative to the pushing tool 5. It automatically descends to the facing one.

The push-out tool 5 includes an extruding plate 17 having a vertical and horizontal width that is substantially equal to the group of products 7 that are aligned and stacked, a cylinder 18 for moving the extruding plate 17, an upper pressing plate 19 and a rotary actuator 20 for controlling the rotation thereof. Consists of.

As shown in FIG. 5, the through box 6 comprises a box body 21 surrounded on four sides, and vertical flaps 22 and 22 and horizontal flaps 23 and 23 which are formed by bending four edges on the opening side thereof. , Consisting of a cardboard box. Opening side 24 of through box 6
The gusset bag 25 is inserted into the bag, and the peripheral edge of the gusset bag 25 is folded back and fastened to the vertical and horizontal flaps 22 and 23 side.
As shown in FIG. 6, the products 7 that are aligned and stacked are stored in the case 6 through the gusset bag 25. The box 6 is transferred to a predetermined position by the box conveyor 26 as shown in FIG. 1, and is arranged with its opening side 24 facing the temporary frame 3 and the pushing tool 5. The through box 6 is fixed by a fixture 27 at a predetermined position. The box 6 containing the product 7 is transferred to the carry-out side as shown in FIG. 1 and carried out to the next process side by the carry-out conveyor 28 or the like.

Next, the box passing correction device 2 will be described. As shown in FIG. 3 and FIG. 4, the box passing correction device 2 includes a frame body 3 surrounded by four peripheral plate portions 29, 29 and 30, 30.
1 and a pair of lateral rotation shafts 32, 32 which are provided between the peripheral edge plate portions 29, 29 facing each other and are pivotally supported in parallel with the peripheral edge plate portions 30, 30 and between the peripheral edge plate portions 30, 30. A pair of vertically rotating shafts 33, 33, and a flap that is cantilevered with its base end fixed to the horizontally rotating shafts 32, 32 and the vertically rotating shafts 33, 33 along the axial direction. The plates 34, 34 and 35, 35, a horizontal actuator 36 fixed to one end of the horizontal rotation shaft 32, a vertical actuator 37 fixed to one end of the vertical rotation shaft 33, and a chain transmission mechanism section 3
It is composed of 8 etc. The horizontal actuator 36 and the vertical actuator 37 are fixed to the stationary side of the machine, and the horizontal rotation shaft 32 and the vertical rotation shaft 33 are coupled by couplings 39 and 40.
And detachably connected.

The chain transmission mechanism section 38 includes a lateral rotation shaft 32.
Chain wheel 41 fixed to one end side of the same, a chain wheel 42 fixed to one end side of the other lateral rotation shaft 32, and a vertically movable pivotally supported upper side of the peripheral plate portion 29 in the figure. A chain wheel 43, a vertical direction chain transmission mechanism portion 38a including a chain 44 and the like installed between the chain wheels 41, 42 and 43 as shown in FIG. 10, and a chain wheel of the vertical rotation shafts 33 and 33. Four
5, 46 and a peripheral wheel portion 30 at the lower left end in the figure, a lateral side composed of a chain wheel 47 rotatably supported along the left-right direction and a chain or the like installed between the chain wheels 45, 46, 47. Directional chain transmission mechanism 38
b.

Next, the operation of this embodiment will be described. As described above, the products 7 are sequentially transported from the transport conveyor 8 side and aligned on the aligning plate 10, and are line-by-line aligned on the mounting surface 11 of the temporary frame 3 and sequentially stacked so that a predetermined amount of the products 7 are placed in the temporary frame 3. Is inserted. FIG. 7 shows a state in which a predetermined amount of products 7 are stored in the temporary frame 3. In this state, the temporary frame 3 is arranged at a position opposite to the opening side 24 of the case box 6 in which the gusset bag 25 is covered on the opening side 24, and the box passing correction device 2 is interposed between the two.
In this state, the flap plates 34 and 35 supported by the horizontal rotation shaft 32 and the vertical rotation shaft 33 of the box straightening device 2 hang down along the vertical direction. Further, the pushing tool 5 is also arranged at a position apart from the temporary frame 3. Next, as shown in FIG.
The horizontal actuator 36 and the vertical actuator 37 of the box passing correction device 2 are rotated, and the horizontal rotation shaft 32 and the vertical rotation shaft 3 are rotated.
3 rotates directly and via the vertical chain transmission mechanism 38a and the horizontal chain transmission mechanism 38b to rotate the flap plates 34 and 35 by 90 °. The flap plates 34 and 35 contact the inner surfaces of the peripheral edge plate portions 29 and 30 of the case 6 and push the peripheral edge plate portions 29 and 30 outward from the inside. Therefore, even if the peripheral edge of the container case 6 is deformed inward by repeated use, the opening side 24 of the container case 6 is opened in a state in which the product 7 can be inserted by the spreading force of the flap plates 34 and 35. In this state, as shown in FIG. 8, the moving cylinder 18 of the pushing tool 5 and the rotary actuator 20 are actuated, and the product 7 is pushed by the pushing plate 17 while the upper side is held by the upper holding plate 3 and the temporary frame 3 The product 7 therein is pushed toward the box straightening device 2 side, penetrates the inside of the frame body 31, and is inserted and stored in the case box 6 in which the opening side 24 is largely opened. When the insertion of the product is completed, the push-out tool 5 returns to the original position, and the flap plate 3 of the box straightening device 2
4,35 also return to their original positions. Since the flap plates 34 and 35 do not interfere with the box 6 side in the hanging state, the box 6 containing the product 7 is released from the holding by the fixture 27 and sent to the next process side by the carry-out conveyor 28 and the like. Above, the same thing is repeated.

In the present embodiment, the flap plates 34, 35 of the box passing straightener 2 are rotated to rotate the flaps 34, 35 of the box passing side 6 at the opening side 24.
It is not necessary to abut and engage from the inside to the inside of the box, and it suffices if the portion from the opening side 24 to several tens of millimeters is spread. Further, in the box passing correction device 2, the peripheral plate portions 29 and 30 are detachably connected to form a frame body 31, and the horizontal and vertical actuators 36 and 37 and the horizontal and vertical rotation shafts 32 and 33 are easily divided. In addition, since the reassembling structure is employed, the setup can be relatively easily changed according to the shape and size of the carrying box 6 to be carried in and the size and shape of the product 7. Further, the chain transmission mechanism section 38 is composed of chain wheels 41, 42, 43.
And chain 44 and chain wheels 45, 46, 4
7 and the chain 48 are combined, and the chain wheel 43, 47 is moved and adjusted to adjust the chain 4
It is possible to easily adjust the tension of 4, 48 and maintain the pressing force of the flap plates 34, 35 at a predetermined value.

In the above embodiment, the tube is used as the product, but it is not limited to this. Further, although a cardboard box is used as the through box 6, the present invention is not limited to this and is also applicable to a thick box body. Although the gusset bag 25 is used in this embodiment, it is not necessary to use it.

[0017]

According to the present invention, the following remarkable effects are obtained. (1) A large number of products that are aligned and stacked smoothly in the box,
And it can be quickly inserted and packed in a box. (2) Even if the shipping box is deformed due to repeated use and the opening area on the opening side becomes narrow, the product will interfere with the shipping box because the opening box peripheral device opens the peripheral edge on the opening side before inserting the product. It is inserted without doing. As a result, defective insertion and manual repair work are eliminated, and even if it is used for, for example, a tube container, the operation rate of the device and the productivity can be improved without damaging the product. (3) The product is inserted into the container straightening device while the container is pushed open, so that the product can be reliably inserted. (4) Since each device structure such as the box passing correction device is made of a compact structure that can be disassembled, it is possible to quickly switch the work depending on the shape and size of the box passing and the product size. . (5) The flap plate pushes and corrects the peripheral edge of the case box from the inside to the outside, and there is no uncertainty of operation as in the prior art.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an overall structure of an embodiment of the present invention.

FIG. 2 is a front view for explaining how a product is put into the present embodiment.

FIG. 3 is a perspective view showing a schematic structure of a box passing correction device according to the present embodiment.

FIG. 4 is a perspective view showing a rotating operation of a flap plate in the box passing correction device according to the present embodiment.

FIG. 5 is a perspective view of a box used in this embodiment.

FIG. 6 is a perspective view showing a product stored in a box with a gusset bag.

FIG. 7 is a side view showing the relative positions of the respective main components before product storage according to the present embodiment.

FIG. 8 is a side view for explaining the function of storing the product in the container in this embodiment.

FIG. 9 is a front view showing the detailed structure of the box passing correction device according to the present embodiment.

FIG. 10 is a partial side view showing a schematic structure of a chain transmission mechanism portion of the box passing straightening device according to the present embodiment.

[Explanation of symbols]

 1 Automatic Box Packing Device 2 Passing Box Correcting Device 3 Temporary Frame 4 Robot Mechanism (One-axis Robot) 5 Extruding Tool 6 Passing Box 7 Product 8 Conveying Conveyor (Bucket Conveyor) 9 Vacuum Drum 10 Aligning Plate 11 Loading Surface 12 Extrusion Plate 13 Stopper Tool 14 Lifting Equipment 15 Lifter (Motor for Raising and Lowering Temporary Frame) 16 Guide (Guide Rail) 17 Extrusion Plate 18 Moving Cylinder 19 Upper Pressing Plate 20 Rotary Actuator 21 Box 22 Vertical Flap 23 Horizontal Flap 24 Open Side 25 Gazette Bag 26 Through Box conveyor 27 Fixing device 28 Carry-out conveyor 29 Peripheral plate part 30 Peripheral plate part 31 Frame 32 Horizontal turning shaft 33 Vertical turning shaft 34 Flap plate 35 Flap plate 36 Horizontal actuator 37 Vertical actuator 38 Chain transmission mechanism part 38a Vertical direction Churn transmission mechanism 38b sideways Direction Chain transmission mechanism 39 Coupling 40 Coupling 41 Chainwheel 42 Chainwheel 43 Chainwheel 44 Chain 45 Chainwheel 46 Chainwheel 47 Chainwheel 48 Chain 49 Lifter motor 50 Tube guide 51 Frame 52 Temporary frame balance weight 53 Chain Wheel 54 Rack gear 55 Pinion gear

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Shinji Ide 4-14-12 Koishikawa, Bunkyo-ku, Tokyo Kyodo Printing Co., Ltd.

Claims (3)

[Claims] 1. An automatic cartoning method for products in which a large number of products that are successively conveyed are aligned and stacked at a predetermined position and packed in a through box, and the products are stacked in a temporary frame by a predetermined number of rows and at a predetermined position. The container in the temporary frame is positioned at a position opposite to the opening side of the container to be conveyed, and the peripheral edge of the opening of the container is expanded from the inside to the outside. An automatic box packing method for products that is stored by being pushed inside. 2. A robot mechanism for aligning and stacking a predetermined amount of products in a temporary frame in an automatic boxing device for products in which a large number of products that are successively conveyed are aligned and stacked at a predetermined position and packed in a through box. Section, a passing box positioned at a predetermined position with the opening side facing the temporary frame side, and a passing box correction device interposed between the temporary frames, and the temporary frame passing through the passing box correction device. The product is provided with a pushing tool for pushing the product inside into the box, and the box straightening device is composed of a frame body having a peripheral portion matching the peripheral shape of the container, and the peripheral portion of the opening side of the container is A flap plate that abuts and engages with the peripheral edge and pushes the peripheral edge portion outwardly from the inside is rotatably supported, and an actuator that rotates each flap plate is provided. Automatic product packaging equipment. 3. A box straightening device in an automatic boxing apparatus for products according to claim 2, wherein four peripheral plate portions are bolted to each other to form a peripheral edge of the frame body, and between the peripheral plate portions. Installed on the stationary side of the machine, and a pair of rotating shafts that are connected to each other by the chain transmission mechanism, and a flap plate whose base end side is supported along the axis of the rotating shaft. Box straightening device having a driven actuator and a coupling connecting the actuator and the rotating shaft.