A punching device for packaging bag production

By introducing support and limiting mechanisms and laser pointer-assisted adjustment into the packaging bag punching device, the problem of manual support and limiting required by existing devices has been solved, improving the accuracy and efficiency of punching position.

CN224276463UActive Publication Date: 2026-05-26ANHUI JULI PACKAGING PROD CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI JULI PACKAGING PROD CO LTD
Filing Date
2025-06-05
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing packaging bag punching devices require manual support and positioning by the user, which increases the user's workload, and the punching position adjustment is not precise enough.

Method used

A punching device for packaging bag production was designed, which includes a support and limiting mechanism. A laser pointer is used to assist in adjusting the position of the puncher, and the operation of each component is controlled by a controller through the limiting structure and the bidirectional lead screw stabilizing device.

Benefits of technology

It enables automatic support and positioning of packaging bags, improves the accuracy and efficiency of hole punch position adjustment, and reduces the amount of operation required by the user.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the technical field of packaging bag punching equipment, specifically disclosing a punching device for packaging bag production, including a base and a punching mechanism. The punching mechanism is arranged on one side of the upper part of the base, and a limiting mechanism is arranged on one side of the punching mechanism. The punching mechanism includes a support block, and a groove is arranged inside the support block. Two sliders are symmetrically arranged inside the groove. A bracket is connected above the sliders. A puncher is connected to the end of the bracket away from the sliders. A laser pointer is arranged on one side of the puncher. The limiting mechanism includes a support plate, and two clamping plates are symmetrically arranged above the support plate. A one-way screw is arranged on the side of the two clamping plates away from each other. A telescopic rod is arranged on one side of the one-way screw, and a baffle is connected to the telescopic end of the telescopic rod. This punching device has a packaging bag support and limiting mechanism, reducing the workload of the user, enabling precise adjustment of the position of the puncher, and improving the efficiency of puncher position adjustment.
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Description

Technical Field

[0001] This utility model relates to the technical field of packaging bag punching equipment, and specifically discloses a punching device for packaging bag production. Background Technology

[0002] Packaging bags are bags used to package various items and are widely used in daily life and industrial production. During the production process of packaging bags, perforation devices are usually used to punch holes in the packaging bags to meet different production and usage needs.

[0003] Chinese patent CN219405630U discloses a punching device for producing plastic packaging bags, including a base plate. A groove is provided on the front side of the top of the base plate, and a fixed frame is fixedly connected to the rear side of the top of the base plate. A positioning mechanism is installed on the right side of the fixed frame, and a threaded rod is rotatably connected to the middle position inside the fixed frame. Guide rods are fixedly connected to both sides of the threaded rod. This utility model features a fixed block, a rotating block, and a slot working together to facilitate the installation and disassembly of the punching base, as well as the repair of damaged punching bases, thus meeting the needs of the workers. Furthermore, it incorporates a threaded rod, a first movable part, a second movable part, and a positioning mechanism. By pressing the pull plate, the internal gear and external gear are disengaged. Then, by rotating the handwheel, the two punching bases move closer or further apart, allowing the spacing between them to accommodate plastic bags of various sizes. However, the aforementioned punching device requires manual support for the packaging bags during use, lacking a structure for supporting and limiting the bags, which is detrimental to saving the user's workload. Therefore, to solve the above problems, this utility model proposes a punching device for packaging bag production. Utility Model Content

[0004] The present invention aims to provide a punching device for packaging bag production, which has a packaging bag support and limiting mechanism, reduces the workload of users, can accurately adjust the position of the punch, and improves the efficiency of punch position adjustment.

[0005] This utility model is achieved through the following technical solution:

[0006] A punching device for packaging bag production includes a base and a punching mechanism. The punching mechanism is located on one side of the upper part of the base, and a limiting mechanism is located on one side of the punching mechanism. The base includes a support plate, and a first scale plate is located inside the support plate. The punching mechanism includes a support block, and a groove is located inside the support block. Two sliders are symmetrically arranged inside the groove. A bidirectional lead screw is threaded through the slider. One end of the bidirectional lead screw is connected to a handwheel. A limiting structure is located on the side of the handwheel away from the bidirectional lead screw. The limiting structure includes a first insert and a second insert. A bracket is connected above the slider, and a punch is connected to the end of the bracket away from the slider. A laser pointer is located on one side of the punch. The limiting mechanism includes a support plate, and two clamping plates are symmetrically arranged above the support plate. A unidirectional lead screw is located on the side of each clamping plate away from each other. A telescopic rod is located on one side of the unidirectional lead screw, and a baffle is connected to the telescopic end of the telescopic rod.

[0007] As a further feature of the above solution, a slot is provided on the side of the support plate near the handwheel. The handwheel has multiple insertion holes arranged in a circular array inside. The first and second insertion rods are respectively inserted into the slot and the insertion holes, which can limit the position of the handwheel after it stops rotating, so as to keep the handwheel and the bidirectional lead screw stable. This allows the slider and the punch to remain stable during the punching process. The ends of the first and second insertion rods away from the support plate are connected to a connecting plate. A first handle is connected to one side of the connecting plate, which is convenient for the user to grip and put away the limiting structure.

[0008] As a further feature of the above solution, the slider is slidably connected to the groove, and the bidirectional lead screw is threadedly connected to the slider. The bidirectional lead screw can be rotated to move the two sliders closer together or further apart. A first support seat is rotatably connected to the end of the bidirectional lead screw near the handwheel. The lower part of the first support seat is connected to the bearing plate, providing stable support for the bidirectional lead screw. Both the punch and the laser pointer are detachably connected to the bracket, facilitating the installation and maintenance of these components. The line connecting the punch head of the punch and the projection of the laser emission point in the laser pointer onto the bearing plate is perpendicular to the side of the support block. The vertical projection of the laser pointer and the first scale plate on the ground coincides. During the adjustment of the punch's position, the laser pointer emits a laser beam onto the first scale plate, forming a light spot. The scale corresponding to the light spot is the scale corresponding to the punch head of the punch. When the user moves the light spot to the appropriate scale line, the punch's position is adjusted, which helps to accurately adjust the punch's position and improves the efficiency of punch position adjustment.

[0009] As a further feature of the above solution, both lower ends of the support plate are connected to the bearing plate. The side of the support plate near the puncher has a reserved hole corresponding to the position of the punch head in the puncher, which helps the punch head of the puncher to pass through the packaging bag to form a hole. Two limiting holes are symmetrically arranged on both sides of the inside of the support plate. Both lower ends of the clamping plate have protrusions that pass through the inside of the limiting holes and are slidably connected to the limiting holes, which can restrict the movement direction of the clamping plate.

[0010] As a further feature of the above solution, the one-way lead screw is rotatably connected to the clamping plate, and a second support seat is threadedly connected to the outer side of the one-way lead screw. The lower end of the second support seat is connected to the support plate, which can provide stable support for the one-way lead screw and facilitate the user to adjust the position of the clamping plate by rotating the one-way lead screw. A second scale plate is provided inside the support plate, which can provide a reference for adjusting the position of the clamping plate.

[0011] As a further feature of the above solution, a mounting base is connected to the outer side of the telescopic rod. The mounting base is connected to the clamping plate and can provide support for the telescopic rod, facilitating its installation and maintenance. A packaging bag body is provided between the two clamping plates. Pressure plates are provided on both sides above the packaging bag body, which can restrict the position of the packaging bag from above, freeing the user's hands. A second handle is connected to the top of the pressure plate for the user to grip when picking up the pressure plate.

[0012] As a further feature of the above solution, a controller is provided on one side of the base to facilitate the control of the operation of relevant components in the device.

[0013] The present invention has the following beneficial effects during use:

[0014] The combination of the handwheel and the limiting structure in the punching mechanism can limit the position of the handwheel by inserting the second rod in the limiting structure into the insertion hole in the handwheel after the handwheel and the double-acting screw stop rotating, thereby keeping the double-acting screw, slider and puncher stable during the punching operation of the packaging bag.

[0015] The use of a laser pointer allows the laser to be emitted onto the first scale plate during the adjustment of the hole punch position, forming a light spot on the first scale plate. Since the line connecting the laser emission point of the laser pointer and the vertical projection of the hole punch head on the support plate is perpendicular to the side of the support block, the user only needs to refer to the scale corresponding to the light spot and adjust the position of the light spot to achieve synchronous adjustment of the hole punch position, thereby improving the accuracy and efficiency of hole punch position adjustment.

[0016] The use of a support plate in the limiting mechanism can provide support for the packaging bag, initially freeing the user's hands. The combination of two clamps, a telescopic rod, and a baffle can limit the position of the packaging bag during the punching process, making it easy to align the target punching point of the packaging bag with the punching head of the puncher, freeing the user's hands. The use of a second scale plate can provide a reference for the user to adjust the position of the clamps, improving the efficiency of clamp position adjustment. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a perspective view of the present invention;

[0019] Figure 2 This is a perspective view of the base in this utility model;

[0020] Figure 3 This is a perspective view of the punching mechanism in this utility model;

[0021] Figure 4 This is a perspective view of the combination of the bracket, the hole punch, and the laser pointer in this utility model;

[0022] Figure 5 This is a perspective view of the limiting structure in this utility model;

[0023] Figure 6 This is a perspective view of the limiting mechanism in this utility model.

[0024] In the diagram: 1. Base; 2. Drilling mechanism; 3. Limiting mechanism; 4. Packaging bag body; 5. Controller; 11. Bearing plate; 111. Slot; 112. First scale plate; 21. Support block; 211. Slide groove; 22. Slider; 23. Two-way lead screw; 231. First support seat; 24. Handwheel; 241. Insertion hole; 25. Limiting structure; 251. First insertion rod; 252. Second insertion rod; 253. Connecting plate; 254. First handle; 26. Bracket; 27. Drilling tool; 28. Laser pointer; 31. Support plate; 311. Limiting hole; 312. Reserved hole; 313. Second scale plate; 32. Clamping plate; 321. Protrusion; 33. Telescopic rod; 331. Mounting seat; 34. Baffle; 35. One-way lead screw; 351. Second support seat; 36. Pressure plate; 361. Second handle. Detailed Implementation

[0025] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0026] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The following will refer to the appendix... Figures 1-6 This application will be described in detail with reference to the embodiments.

[0027] An embodiment discloses a punching device for packaging bag production, including a base 1 and a punching mechanism 2. The punching mechanism 2 is arranged on one side of the upper part of the base 1, and a limit mechanism 3 is arranged on one side of the punching mechanism 2. The base 1 includes a support plate 11, and a first scale plate 112 is arranged inside the support plate 11. The punching mechanism 2 includes a support block 21, and a groove 211 is arranged inside the support block 211. Two sliders 22 are symmetrically arranged inside the groove 211. A bidirectional lead screw 23 is threaded through the slider 22. One end of the bidirectional lead screw 23 is connected to a handwheel 24. The handwheel 24 is located at... A limiting structure 25 is provided on one side away from the bidirectional lead screw 23. The limiting structure 25 includes a first insert 251 and a second insert 252. A bracket 26 is connected above the slider 22. A punch 27 is connected to the end of the bracket 26 away from the slider 22. A laser pointer 28 is provided on one side of the punch 27. The limiting mechanism 3 includes a support plate 31. Two clamping plates 32 are symmetrically arranged above the support plate 31. A unidirectional lead screw 35 is provided on the side of the two clamping plates 32 that are far from each other. A telescopic rod 33 is provided on one side of the unidirectional lead screw 35. A baffle 34 is connected to the telescopic end of the telescopic rod 33.

[0028] like Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, the support plate 11 has a slot 111 on the side near the handwheel 24. The handwheel 24 has a plurality of insertion holes 241 arranged in a circumferential array inside. The first insertion rod 251 and the second insertion rod 252 are respectively inserted into the slot 111 and the insertion hole 241, which can limit the position of the handwheel 24 after the handwheel 24 stops rotating, so that the handwheel 24 and the bidirectional lead screw 23 remain stable, thereby keeping the slider 22 and the punch 27 and other components stable during the punching process. The ends of the first insertion rod 251 and the second insertion rod 252 away from the support plate 11 are connected to a connecting plate 253. A first handle 254 is connected to one side of the connecting plate 253, which is convenient for the user to grip and put on or take off the limiting structure 25.

[0029] like Figure 1 , Figure 3 and Figure 4 As shown, the slider 22 is slidably connected to the groove 211, and the bidirectional lead screw 23 is threadedly connected to the slider 22. The bidirectional lead screw 23 can rotate to move the two sliders 22 closer to or further apart. A first support seat 231 is rotatably connected to the end of the bidirectional lead screw 23 near the handwheel 24. The lower part of the first support seat 231 is connected to the bearing plate 11, providing stable support for the bidirectional lead screw 23. The punch 27 and laser pointer 28 are detachably connected to the bracket 26, facilitating the installation and maintenance of these components. The punching head of the punch 27 and the laser emission point in the laser pointer 28 are connected... The line connecting the projections on the support plate 11 is perpendicular to the side of the support block 21. The laser pointer 28 coincides with the vertical projection of the first scale plate 112 on the ground. During the adjustment of the position of the punch 27, the laser pointer 28 emits a laser beam onto the first scale plate 112 to form a light spot on the first scale plate 112. The scale corresponding to the light spot is the scale corresponding to the punching head of the punch 27. When the user moves the light spot to the appropriate scale line, the position of the punch 27 is adjusted. This helps to accurately adjust the position of the punch 27 and improves the efficiency of the position adjustment of the punch 27.

[0030] like Figure 1 and Figure 6 As shown, both lower ends of the support plate 31 are connected to the bearing plate 11. The support plate 31 has a reserved hole 312 on the side near the punch 27, which corresponds to the position of the punch head in the punch 27. This helps the punch head of the punch 27 to pass through the packaging bag and form a hole. Both sides of the inside of the support plate 31 are symmetrically provided with two limiting holes 311. Both lower ends of the clamping plate 32 are provided with protrusions 321. The protrusions 321 pass through the inside of the limiting holes 311 and are slidably connected with the limiting holes 311, which can restrict the movement direction of the clamping plate 32.

[0031] like Figure 1 and Figure 6As shown, the one-way lead screw 35 is rotatably connected to the clamping plate 32. The outer side of the one-way lead screw 35 is threaded with a second support seat 351. The lower end of the second support seat 351 is connected to the support plate 31, which can provide stable support for the one-way lead screw 35 and facilitate the user to adjust the position of the clamping plate 32 by rotating the one-way lead screw 35. The support plate 31 is provided with a second scale plate 313 inside, which can provide a reference for adjusting the position of the clamping plate 32.

[0032] like Figure 1 and Figure 6 As shown, a mounting base 331 is connected to the outer side of the telescopic rod 33. The mounting base 331 is connected to the clamping plate 32 and can provide support for the telescopic rod 33, which facilitates the installation and maintenance of the telescopic rod 33. A packaging bag body 4 is provided between the two clamping plates 32. Pressure plates 36 are provided on both sides of the upper part of the packaging bag body 4, which can restrict the position of the packaging bag from the top of the packaging bag body 4, freeing the user's hands. A second handle 361 is connected to the upper part of the pressure plate 36, which makes it convenient for the user to grasp the pressure plate 36 when picking it up.

[0033] like Figure 1 As shown, a controller 5 is provided on one side of the base 1 to facilitate the control of the operation of the relevant components in the device.

[0034] Before using the punching device for packaging bag production disclosed in this embodiment, hold the first handle 254 and pull the limiting structure 25 away from the support plate 11, so that the first insert 251 and the second insert 252 are separated from the slot 111 and the insertion hole 241 respectively, releasing the limiting of the handwheel 24 and the bidirectional lead screw 23. Place the limiting structure 25 aside, and turn on the two laser pointers 28 in sequence, so that the two laser pointers 28 emit lasers towards the first scale plate 112, forming a light on the first scale plate 112. Turning the handwheel 24 rotates the bidirectional lead screw 23, which in turn drives the two sliders 22 to slide in the groove 211. This causes the bracket 26 above the sliders 22 and the punch 27 at one end of the bracket 26 to move. Based on the size of the packaging bag and the position of the punch point, and referring to the scale on the first scale plate 112, the light spot is moved to a suitable position. Then, the handwheel 24 is stopped, the limiting structure 25 is reset, and the positions of the handwheel 24 and the bidirectional lead screw 23 are fixed. At this point, the position of the punch 27 is adjusted.

[0035] Using controller 5, both telescopic rods 33 are extended simultaneously, pushing baffle 34 away from clamping plate 32. Multiple packaging bag bodies 4 to be punched are then neatly arranged and placed on support plate 31, with one end of each bag body 4 resting against baffle 34. Controller 5 then simultaneously retracts both telescopic rods 33, causing baffle 34 to press the packaging bag body 4 towards clamping plate 32. The target punching point is adjusted so that its vertical projection is aligned with the punching head of puncher 27. The two one-way lead screws 35 are rotated sequentially, and the positions of the two clamping plates 32 are adjusted with reference to the scale on the second scale plate 313, further aligning the punching point with the puncher 27. With the punch head aligned, stop rotating the one-way lead screw 35, place the two pressure plates 36 on the upper sides of the packaging bag body 4 respectively, so that the pressure plates 36 press down on the packaging bag body 4 to fix the packaging bag body 4, freeing the user's hands. Use the controller 5 to simultaneously start the two punchers 27 to punch holes in the packaging bag body 4. After punching is completed, remove the pressure plates 36 and remove the packaging bag body 4 from the support plate 31. There is no need to adjust the position of the clamping plate 32, the baffle 34 and the puncher 27. Place the packaging bags of the same batch on the support plate 31, so that one end of the packaging bag body 4 abuts against the baffle 34, and the punching operation can continue.

[0036] The packaging bag body 4, controller 5, bearing plate 11, first scale plate 112, support block 21, slide groove 211, slider 22, bidirectional lead screw 23, handwheel 24, bracket 26, punch 27, laser pointer 28, support plate 31, second scale plate 313, clamping plate 32, telescopic rod 33, mounting base 331, baffle 34, unidirectional lead screw 35, pressure plate 36, and second handle 361 disclosed in this utility model are all general standard parts or parts known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0037] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A punching device for packaging bag production, comprising a base and a punching mechanism, characterized in that, A drilling mechanism is provided on one side of the upper part of the base, and a limiting mechanism is provided on one side of the drilling mechanism. The base includes a support plate, and a first scale plate is provided inside the support plate. The drilling mechanism includes a support block, and a sliding groove is provided inside the support block. Two sliders are symmetrically arranged inside the sliding groove. A bidirectional lead screw is passed through the slider. One end of the bidirectional lead screw is connected to a handwheel. A limiting structure is provided on the side of the handwheel away from the bidirectional lead screw. The limiting structure includes a first insert and a second insert. A bracket is connected above the slider. A punch is connected to the end of the bracket away from the slider. A laser pointer is provided on one side of the punch. The limiting mechanism includes a support plate, and two clamping plates are symmetrically arranged above the support plate. A unidirectional lead screw is provided on the side of each clamping plate away from each other. A telescopic rod is provided on one side of the unidirectional lead screw. A baffle is connected to the telescopic end of the telescopic rod.

2. The punching device for packaging bag production according to claim 1, characterized in that, The support plate has a slot on the side near the handwheel, and the handwheel has a plurality of holes arranged in a circular array inside. The first and second insert rods are respectively inserted into the slot and the holes. The ends of the first and second insert rods away from the support plate are connected to a connecting plate, and a first handle is connected to one side of the connecting plate.

3. The punching device for packaging bag production according to claim 1, characterized in that, The slider is slidably connected to the groove, the bidirectional lead screw is threadedly connected to the slider, and the end of the bidirectional lead screw near the handwheel is rotatably connected to a first support seat. The bottom of the first support seat is connected to the bearing plate. The punch and the laser pointer are detachably connected to the bracket. The line connecting the punch head of the punch and the projection of the laser emission point in the laser pointer onto the bearing plate is perpendicular to the side of the support block. The vertical projection of the laser pointer and the first scale plate on the ground coincides.

4. The punching device for packaging bag production according to claim 1, characterized in that, Both ends of the support plate are connected to the bearing plate. The side of the support plate near the punch has a reserved hole corresponding to the position of the punch head in the punch. Two limiting holes are symmetrically arranged on both sides of the inside of the support plate. Both ends of the clamping plate have protrusions that pass through the inside of the limiting holes and are slidably connected to the limiting holes.

5. A punching device for packaging bag production according to claim 1, characterized in that, The one-way lead screw is rotatably connected to the clamping plate. The outer side of the one-way lead screw is threaded with a second support seat. The lower end of the second support seat is connected to the support plate. The support plate is provided with a second scale plate inside.

6. A punching device for packaging bag production according to claim 1, characterized in that, The telescopic rod is connected to a mounting base on its outer side. The mounting base is connected to a clamping plate. A packaging bag body is disposed between the two clamping plates. Pressure plates are disposed on both sides above the packaging bag body. A second handle is connected above the pressure plates.

7. A punching device for packaging bag production according to claim 1, characterized in that, A controller is provided on one side of the base.