Punching and riveting device for paper packaging box

Abstract

The utility model discloses a paper packing box punching and riveting device which comprises a punching device, a riveting device and a transfer manipulator which are arranged on a platen, the punching device comprises a punching bottom die assembly located above the platen and a punching needle located below the platen, and the punching needle can penetrate through the platen and is inserted into a die hole of the punching bottom die assembly. A punching cutting edge is arranged at the tip end of the punching needle; the riveting device comprises a pressing riveting bottom die assembly located above the platen and a rivet holding rod located below the platen, and the rivet holding rod can penetrate through the platen and is inserted into a pressing riveting hole of the pressing riveting bottom die assembly. And the transfer manipulator transfers the packaging box between the punching device and the riveting device. According to the automatic punching and riveting device, punching and riveting automation can be achieved, the production efficiency is improved, packaging boxes with large thickness can be punched, and the packaging boxes can be prevented from wrinkling when punched.

Description

Technical Field

[0001] The utility model belongs to the technical field of riveting equipment, and particularly relates to a punching and riveting device for paper packaging boxes. Background Art

[0002] The existing paper packaging boxes adopt a manual riveting process, including two processes of punching and riveting. The punching process is that workers punch the paper packaging boxes manually, and then the punched paper packaging boxes are placed on the assembly line manually and flow to the riveting process. The riveting process is that workers hold the paper packaging boxes by hand to rivet. The existing manual punching and riveting methods result in inconsistent hole positions for each paper packaging box, low efficiency of manual riveting, and in actual production, after the box body, box cover and mouth strip of the packaging box are assembled, the thickness after the three are stacked is relatively large. When punching at the stacked position of the three, because the existing punching equipment punches with the punch needle from top to bottom, the punch needle cannot penetrate or wrinkles occur at the punching position after penetration. Content of the Utility Model

[0003] In order to solve the above problems, the utility model provides a punching and riveting device for paper packaging boxes, which can realize the automation of punching and riveting, improve production efficiency, can punch the packaging box with a relatively large thickness, and can avoid wrinkling of the packaging box during punching.

[0004] The embodiments of the utility model are realized through the following technical solutions:

[0005] A punching and riveting device for paper packaging boxes includes a punching device, a riveting device and a transfer manipulator arranged on a platen. The punching device includes a punching bottom die assembly located above the platen and a punch needle located below the platen. The punch needle can penetrate the platen and insert into the die hole of the punching bottom die assembly, and a punching edge is provided at the tip of the punch needle; the riveting device includes a riveting bottom die assembly located above the platen and a rivet holding rod located below the platen. The rivet holding rod can penetrate the platen and insert into the riveting hole of the riveting bottom die assembly; the transfer manipulator transfers the packaging box between the punching device and the riveting device.

[0006] In an embodiment of the utility model, the punching device further includes a punching die holder and a punching driving member. The punching die holder is fixed on the platen, and the punching bottom die assembly is slidably arranged in the punching die holder. The punching driving member is arranged on the punching die holder and drives the punching bottom die assembly to lift and lower.

[0007] In an embodiment of the utility model, the punching bottom die assembly includes a first slider and a punching bottom die. The first slider is connected with the punching driving member and is slidably connected with the punching die holder. The punching bottom die is fixed on the first slider.

[0008] In an embodiment of the present utility model, the punching device further includes a punch needle U-shaped member fixed below the platen, and a punch needle driving member is fixed to the punch needle U-shaped member.

[0009] In an embodiment of the present utility model, the riveting device further includes a riveting die carrier, a riveting driving member, and a riveting U-shaped member fixed below the platen. The riveting die carrier is fixed above the platen, the riveting driving member is fixed to the riveting die carrier, and the riveting driving member drives the riveting bottom die assembly to lift and lower within the riveting die carrier.

[0010] In an embodiment of the present utility model, the riveting bottom die assembly includes a second slider and a riveting bottom die. The second slider is connected to the riveting driving member and is slidably connected to the riveting die carrier, and the riveting bottom die is fixed to the second slider.

[0011] In an embodiment of the present utility model, the riveting device further includes a riveting U-shaped member fixed below the platen, and a top riveting driving member is fixed to the riveting U-shaped member.

[0012] In an embodiment of the present utility model, it further includes a box pushing device fixed to the platen. The box pushing device includes a box pushing cylinder, a box pushing plate, and a box pushing channel. The box pushing plate is connected to the box pushing cylinder, and the box pushing plate is provided with a negative pressure suction cup for adsorbing the packaging box, and the box pushing plate pushes the packaging box to move along the box pushing channel.

[0013] In an embodiment of the present utility model, the box pushing channel includes a pair of limiting plates fixed to the platen.

[0014] In an embodiment of the present utility model, it further includes a box pushing device fixed to the platen. The box pushing device includes a box pushing cylinder, a box pushing plate, and a box pushing channel. The box pushing plate is connected to the box pushing cylinder, and the box pushing plate is provided with a box clamping mechanism for clamping the packaging box. After clamping the box, the box clamping mechanism pushes the packaging box to move along the box pushing channel.

[0015] The technical solution of the present utility model has at least the following advantages and beneficial effects:

[0016] The present utility model integrates punching and riveting, realizes the automation of punching and riveting, improves production efficiency, and sets the punch needle below the platen and the punching bottom die assembly above the platen, and is provided with a punching edge at the tip of the punch needle, which can punch the packaging box with a relatively large thickness and can avoid the packaging box from wrinkling during punching. Description of the Drawings

[0017] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following accompanying drawings only show certain embodiments of the present utility model and should not be regarded as limiting the scope. For those of ordinary skill in the art, other related accompanying drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 Schematic diagram of the punching rivet device for the paper packaging box in the present utility model;

[0019] Figure 2 Schematic diagram of the punching device, riveting device and box pushing device in the present utility model;

[0020] Figure 3 Schematic diagram of the punching device, riveting device, box pushing device and transfer manipulator in the present utility model;

[0021] Figure 4 Schematic diagram of the punching device and riveting device in the present utility model;

[0022] Figure 5 Schematic diagram of the box pushing device and transfer manipulator in the present utility model;

[0023] Figure 6 Schematic diagram of the punching needle in the present utility model;

[0024] Figure 7 Schematic diagram of the box clamping assembly in the present utility model;

[0025] Figure 8 Schematic diagram of the box clamping assembly in the present utility model.

[0026] Icon: 1 - table board, 2 - box feeding belt, 3 - box discharging belt, 41 - punching bottom die assembly, 411 - first slider, 412 - punching bottom die, 42 - punching needle, 43 - punching die holder, 44 - punching driving part, 45 - punching needle U-shaped part, 46 - punching needle driving part, 51 - riveting bottom die assembly, 511 - second slider, 512 - riveting bottom die, 52 - rivet holding rod, 53 - riveting die holder, 54 - riveting driving part, 55 - riveting U-shaped part, 56 - top riveting driving part, 61 - box pushing cylinder, 62 - box pushing plate, 63 - limiting plate, 71 - gantry, 72 - connecting block, 73 - lifting cylinder, 74 - connecting rod, 75 - grasping claw, 431 - telescopic cylinder, 432 - bracket, 433 - clamping arm, 434 - limiting pin, 435 - clamping block, 436 - strip hole, 437 - connecting part, 7 - transfer manipulator. Detailed implementation manners

[0027] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. The components of the embodiments of the present utility model described and illustrated herein generally may be arranged and designed in a variety of different configurations.

[0028] Therefore, the detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the claimed present utility model, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0029] It should be noted that like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not require further definition and explanation in subsequent drawings.

[0030] In the description of the present utility model, it should be noted that if terms such as "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, it is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model.

[0031] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, if terms such as "set", "installed", "configured", "connected" are understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model may be understood according to specific circumstances.

[0032] Embodiment

[0033] Please refer to Figure 1, this embodiment provides a paper packaging box punching riveting device, which includes a punching device, a riveting device, a box pushing device and a transfer manipulator 7 arranged on a table board 1. Among them, the punching device and the riveting device respectively correspond to a box pushing device. One side of the table board 1 is connected with an in-box belt 2, and the other side of the table board 1 is connected with an out-box belt 3. The packaging box to be processed is sent to the box taking position through the in-box belt 2. The transfer manipulator 7 transfers the packaging box to be processed from the box taking position to the box pushing device at the punching station. The box pushing device pushes the packaging box to the punching device for punching. After punching, the packaging box is moved out of the punching device. The transfer manipulator 7 transfers the punched packaging box to the box pushing device at the riveting station. The box pushing device pushes the packaging box into the riveting device for riveting. After riveting, the packaging box is moved out of the riveting device. The transfer manipulator 7 transfers the riveted packaging box to the out-box belt 3 for discharging.

[0034] Specifically, the punching device includes a punching bottom die assembly 41 located above the table board 1, a punching needle 42 located below the table board 1, and a punching die holder 43 and a punching driving part 44 located above the table board 1. The tip of the punching needle 42 has a punching edge, and the punching edge is circular. When forming, a circular concave is processed at the tip of the punching needle 42 to obtain the punching edge. When punching, the punching edge can be used to punch the packaging box with a larger thickness. Compared with the existing punching needle without an edge, it can avoid wrinkling of the packaging box during punching. The die holder 43 adopts a U-shaped structure and is fixed on the table board 1. The punching driving part 44 adopts a punching cylinder and is installed on the punching die holder 43, and drives the punching bottom die assembly 41 to move up and down. The punching bottom die assembly 41 is located inside the punching die holder 43. The punching bottom die assembly 41 includes a first slider 411 and a punching bottom die 412. The first slider 411 is connected with the punching cylinder and is slidably connected with the punching die holder 43 through a linear guide rail. The punching bottom die 412 is fixed on the first slider 411, and the punching bottom die 412 is provided with a die hole matching the punching needle 42. In addition, a punching needle 42 U-shaped part is fixed below the table board 1, and a punching needle 42 driving part is fixed on the punching needle 42 U-shaped part. The punching needle 42 driving part adopts a punching needle 42 cylinder, and the punching needle 42 cylinder is connected with the punching needle 42. The tip of the punching needle 42 is provided with a punching external thread to avoid wrinkling at the punching position during punching. The table board 1 is correspondingly provided with a through hole. When punching, the punching cylinder drives the punching bottom die 412 to move down and press the packaging box, and the punching needle 42 cylinder drives the punching needle 42 to move up, penetrate the through hole of the table board 1 and insert into the die hole of the punching bottom die assembly 41 to complete punching.

[0035] In this embodiment, the riveting device includes a riveting bottom die assembly 51 located above the platen 1 and a riveting rod holder 52 located below the platen 1, and further includes a riveting die holder 53, a riveting driving member 54, and a riveting U-shaped member 55 fixed below the platen 1. Among them, the riveting bottom die assembly 51 includes a second slider 511 and a riveting bottom die 512. The second slider 511 is connected to the riveting driving member 54. The riveting driving member 54 can be a cylinder and is installed on the riveting die holder 53. The second slider 511 is slidably connected to the riveting die holder 53 through a linear guide rail. The riveting bottom die 512 is fixed on the second slider 511. A riveting die hole is provided at the bottom of the riveting bottom die 512. During production, the riveting driving member 54 drives the second slider 511 to move up and down, so as to realize the lifting of the riveting bottom die 512. A top riveting driving member 56 is fixed on the riveting U-shaped member 55. The top riveting driving member 56 is a cylinder, and the top riveting driving member 56 is connected to the riveting rod holder 52 to drive the riveting rod holder 52 to move up and down. The riveting rod holder 52 is communicated with a rivet automatic feeding device. The rivet automatic feeding device realizes automatic rivet feeding. Moreover, the rivet automatic feeding device adopts the prior art, realizes automatic rivet feeding through a vibrating feeding tray, and realizes automatic rivet feeding through blowing, and blows the rivets to the riveting rod holder 52 one by one. When the rivets are sent to the riveting rod holder 52, the top riveting driving member 56 drives the riveting rod holder 52 to rise. The riveting rod holder 52 penetrates through the platen 1 and is inserted into the riveting hole of the riveting bottom die assembly 51, and riveting is realized by the extrusion between the riveting bottom die assembly 51 and the riveting rod holder 52.

[0036] In this embodiment, the paper packaging box punching riveting device further includes a box pushing device fixed to the platen 1. There is a box pushing device corresponding to the punching device and the riveting device respectively. The box pushing device includes a box pushing cylinder 61, a box pushing plate 62, and a box pushing channel. The box pushing channel is composed of a pair of limiting plates 63 fixed to the platen 1. The packaging box can only move through the channel between the two limiting plates 63. The box pushing cylinder 61 is fixed on the platen 1. The box pushing plate 62 is connected to the box pushing cylinder 61. The box pushing plate 62 is provided with a negative pressure suction cup for adsorbing the packaging box. The negative pressure suction cup is communicated with external negative pressure. Taking the punching station as an example, when the packaging box is placed in the box pushing channel, the box pushing plate 62 pushes the box forward and sucks the packaging box, and pushes the packaging box to move along the box pushing channel until the packaging box is pushed into the punching device. After punching is completed, the box pushing cylinder 61 retracts, and the box pushing plate 62 lifts the packaging box away from the punching device and waits for the transfer manipulator 7 to grab and transfer. The movement process of the packaging box at the riveting station is the same.

[0037] It should be noted that a box clamping assembly can also be installed on the box pushing plate. For example, Figures 7 - 8As shown in the figure, it includes a telescopic cylinder 431, a bracket 432, a pair of clamping arms 433 and a pair of limit pins 434. The telescopic cylinder 431 is arranged on one side of the push box plate 62. The telescopic cylinder 431 is arranged along the x direction. The telescopic cylinder 431 can be a pneumatic cylinder, a hydraulic cylinder or an electric telescopic rod. In this embodiment, a pneumatic cylinder is adopted. The bracket 432 is arranged at the driving end of the telescopic cylinder 431 to drive the bracket 432 to move reciprocally along the x direction. The pair of clamping arms 433 are symmetrically arranged on both sides of the bracket 432. One end of the clamping arm 433 is hinged to the bracket 432, and a clamping block 435 is arranged at the other end of the clamping arm 433. The clamping arm 433 is provided with a strip hole 436, and the extension line of the straight line where the strip hole 436 is located has an included angle α with the x-direction straight line. The pair of limit pins 434 are respectively fixed to the push box plate 62 through connecting pieces 437. The pair of limit pins 434 correspond to the clamping arms 433 one by one, and the limit pins 434 are inserted into the corresponding strip holes 436. When clamping the packaging box, first, the linear driving device 42 drives the push box plate 62 to contact one end of the packaging box. Then, the telescopic cylinder 431 extends to drive the clamping arms 433 to move backward. Under the cooperation of the strip hole 436 and the pin, the pin drives the clamping arms 433 to rotate inward around the hinge point of the bracket 432 during the sliding process in the strip hole 436. The clamping blocks 435 of the two clamping arms 433 approach each other to clamp the packaging box. Then, the linear driving device 42 drives the push box plate 62, the clamping arms 433 and the packaging box to move backward, so as to achieve the effect of driving the packaging box to move reciprocally along the x direction. When loosening the clamping of the packaging box, the telescopic cylinder 431 shortens to drive the clamping arms 433 to move forward. Under the cooperation of the strip hole 436 and the pin, the pin drives the clamping arms 433 to rotate outward around the hinge point of the bracket 432 during the sliding process in the strip hole 436. The clamping blocks 435 of the two clamping arms 433 move away from each other to loosen the packaging box.

[0038] In this embodiment, the transfer manipulator 7 is arranged between the punching device and the riveting device for transferring the packaging box. The transfer manipulator 7 can adopt the existing technology or the three-jaw manipulator in this embodiment. It includes a gantry 71 fixed on the table board 1. The gantry 71 is provided with a connecting block 72 that can move horizontally. The connecting block 72 is driven by a motor and a lead screw to make a linear reciprocating motion. A lifting cylinder 73 is installed on the connecting block 72. The lifting cylinder 73 is connected with a connecting rod 74. Three grasping claws 75 are installed on the connecting rod 74. Each grasping claw 75 is provided with a number of vacuum suction nozzles. During use, the motor drives the connecting block 72 to move horizontally left and right. When reaching the box-taking position, the lifting cylinder 73 drives the grasping claws 75 to descend. The vacuum suction nozzles of the grasping claws 75 suck the packaging box. The lifting cylinder 73 drives the grasping claws 75 to rise. Then, the motor drives the connecting block 72 to move horizontally to the box-releasing position. The lifting cylinder 73 drives the grasping claws 75 to descend and the vacuum suction nozzles of the grasping claws 75 release the packaging box.

[0039] This embodiment integrates punching and riveting, realizes the automation of punching and riveting, improves production efficiency, and sets the punching pin 42 below the platen 1 and the punching bottom die assembly 41 above the platen 1, and threads are provided on the tip surface of the punching pin 42, avoiding wrinkling of the packaging box during punching.

[0040] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, various modifications and changes can be made to the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A paper packaging box punching rivet device, characterized in that, It includes a punching device, a riveting device and a transfer manipulator arranged on the platen. The punching device includes a punching bottom die assembly located above the platen and a punch needle located below the platen. The punch needle can penetrate the platen and insert into the die hole of the punching bottom die assembly, and a punching edge is provided at the tip of the punch needle. The riveting device includes a riveting bottom die assembly located above the platen and a rivet holding rod located below the platen. The rivet holding rod can penetrate the platen and insert into the riveting hole of the riveting bottom die assembly. The transfer manipulator transfers the packaging box between the punching device and the riveting device.

2. The paper packaging box punching rivet device according to claim 1, wherein, The punching device further includes a punching die holder and a punching driving member. The punching die holder is fixed to the platen, and the punching bottom die assembly is slidably arranged in the punching die holder. The punching driving member is arranged on the punching die holder and drives the punching bottom die assembly to move up and down.

3. The paper packaging box punching rivet device according to claim 2, characterized in that, The punching bottom die assembly includes a first slider and a punching bottom die. The first slider is connected to the punching driving member and is slidably connected to the punching die holder. The punching bottom die is fixed to the first slider.

4. The paper packaging box punching rivet device according to claim 1, characterized in that, The punching device further includes a punch needle U-shaped member fixed below the platen, and a punch needle driving member is fixed to the punch needle U-shaped member.

5. The paper packaging box punching rivet device according to claim 1, characterized in that, The riveting device further includes a riveting die holder, a riveting driving member and a riveting U-shaped member fixed below the platen. The riveting die holder is fixed above the platen. The riveting driving member is fixed to the riveting die holder and drives the riveting bottom die assembly to move up and down in the riveting die holder.

6. The paper packaging box punching rivet device according to claim 5, characterized in that, The riveting bottom die assembly includes a second slider and a riveting bottom die. The second slider is connected to the riveting driving member and is slidably connected to the riveting die holder. The riveting bottom die is fixed to the second slider.

7. The paper packaging box punching rivet device according to claim 1, characterized in that, The riveting device further includes a riveting U-shaped member fixed below the platen, and a top riveting driving member is fixed to the riveting U-shaped member.

8. The paper packaging box punching rivet device according to claim 1, characterized in that, It further includes a box pushing device fixed to the platen. The box pushing device includes a box pushing cylinder, a box pushing plate and a box pushing channel. The box pushing plate is connected to the box pushing cylinder, and a negative pressure suction cup for adsorbing the packaging box is provided on the box pushing plate. The box pushing plate pushes the packaging box to move along the box pushing channel.

9. The paper packaging box punching rivet device according to claim 8, characterized in that, The box pushing channel includes a pair of limiting plates fixed to the platen.

10. The paper packaging box punching rivet device according to claim 1, characterized in that, It further includes a box pushing device fixed to the platen. The box pushing device includes a box pushing cylinder, a box pushing plate and a box pushing channel. The box pushing plate is connected to the box pushing cylinder, and a box clamping mechanism for clamping the packaging box is provided on the box pushing plate. After clamping the box, the box clamping mechanism pushes the packaging box to move along the box pushing channel.

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