Notching device for plastic packaging bag production

By designing an automatic waste cleaning and positioning punching device, the problems of difficult waste cleaning and inaccurate positioning in the existing technology are solved, thereby improving the production efficiency of plastic packaging bags.

CN223605204UActive Publication Date: 2025-11-28ANHUI XINZHISHENG PLASTIC TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423059477.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-11-28
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing punching devices cannot automatically clean up waste during the punching process, resulting in low production efficiency. They also require manual assistance for positioning, which can easily lead to punching position deviation.

Method used

A punching device comprising a pressure plate, an electric rod, a roller assembly, a buffer plate, a cleaning assembly, and a discharge chute was designed. Through the cooperation of a cylinder and a servo electric cylinder, the device achieves automatic cleaning of waste materials and positioning of plastic packaging bags, thereby improving production efficiency.

Benefits of technology

It achieves automatic waste cleaning, improves the processing efficiency of plastic packaging bags, reduces manual intervention, avoids punching position deviation, and improves the working efficiency of the punching device.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223605204U_ABST
    Figure CN223605204U_ABST
Patent Text Reader

Abstract

The notching device comprises a base and a buffer plate, the upper surface of the base is fixedly connected with an air cylinder through a fixing plate, a multi-stage telescopic rod of the air cylinder is fixedly connected with a pressing plate, the lower end of the fixing plate is in threaded connection with a main lead screw through a threaded connection hole, and one end of the main lead screw is movably connected with a transverse plate through a bearing. The buffering plate is slidably connected into a buffering groove formed in the base, a punching groove is correspondingly formed in the position, close to the buffering groove, of the upper surface of the base, a mounting groove is formed in the side, close to the fixing plate, of the buffering groove, and a cleaning assembly is fixedly connected into the mounting groove. According to the punching device, through cooperation of the pressing plate, the electric rod, the roller assembly, the buffer plate, the cleaning assembly and the discharging groove, the punching device can conduct punching treatment on a plastic packaging bag, meanwhile, waste generated by punching can be synchronously cleaned, and then the working efficiency of the punching device can be improved in an auxiliary mode.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic bag processing, specifically relates to a punch device for plastic packaging bag production. BACKGROUND

[0002] The hand-held plastic bag (ie, convenient bag) commonly used in people's daily life is processed from tubular plastic film, two sealing lines are formed on the plastic film by a bag making machine, the plastic film is cut into rectangular plastic film segments, the bag making machine automatically stacks the rectangular plastic film segments after a certain number of the plastic film segments with sealed ends are produced, and then the plastic film segments are cut by a punching machine to form a hand-held plastic bag with a handle shape on one end of the plastic film, but the existing punch device cannot clean the waste cut out during the cutting process, and the workers need to clean the waste after taking out the plastic bag, otherwise the residual waste will interfere with the placement and punching of the next batch of plastic bags, the manual cleaning speed is slow, and manual auxiliary positioning of the plastic bag is needed to avoid deviation of the punching position, thereby reducing the punching efficiency of the plastic bag. SUMMARY

[0003] In order to overcome the defects of the prior art, a punch device for plastic packaging bag production is provided to solve the problems in the background.

[0004] In order to achieve the above purpose, a punch device for plastic packaging bag production is provided, which comprises a base and a buffer plate, a gas cylinder is fixedly connected to the upper surface of the base through a fixed plate, a plurality of telescopic rods of the gas cylinder are fixedly connected to a pressing plate, a main lead screw is screwed to the lower end of the fixed plate through a screw hole, one end of the main lead screw is movably connected to a horizontal plate through a bearing, the lower surface of the pressing plate is fixedly connected to a punching assembly, the upper surface of the pressing plate is symmetrically connected to an electric rod, and the positions of the pressing plate and the punching assembly corresponding to the telescopic rod of the electric rod are provided with through holes, a transmission rod is movably connected to the horizontal plate through a bearing, and the transmission rod is screwed to a vertical plate.

[0005] Preferably, the base is in a square structure, the buffer groove provided on the upper surface of the base is in a rectangular structure, a through hole is provided at the bottom of the buffer groove, a guide rod is movably connected to the through hole, the upper end of the guide rod is fixedly connected to the lower surface of the buffer plate, and the buffer plate and the guide rod are combined together to form a T-shaped structure.

[0006] Preferably, the guide rod is in a cylindrical structure, the baffle fixedly connected to the lower end of the guide rod is in a circular structure, and the upper end of the guide rod is sleeved with the spring in the buffer groove.

[0007] Preferably, the mounting groove opened in the side surface of the buffer groove is in a convex structure, the length of the opening of the mounting groove is matched with the size of the buffer groove, and the cleaning assembly is composed of a servo cylinder and a push plate, the push plate is in a rectangular structure, and the size of the push plate is matched with the size of the opening of the mounting groove.

[0008] Preferably, the discharge groove is in a slope structure, the size of the opening of the discharge groove is greater than the size of the opening of the mounting groove, and the positioning frame is fixedly connected to the position close to the lower end of the discharge groove on the lower surface of the base, the positioning frame is in a door-shaped structure, and the size of the inner side surface of the positioning frame is matched with the size of the outer side surface of the waste box.

[0009] Preferably, the punching groove opened in the upper surface of the base is in a back-shaped structure, the lower surfaces of the horizontal plate and the vertical plate are slidably connected to the upper surface of the base, the horizontal plate and the vertical plate are both in a strip-shaped structure, the adjusting grooves are symmetrically opened at the two ends of the horizontal plate, the horizontal plate and the adjusting grooves are combined to form an E-shaped structure, and the threaded structure is formed in the part of the transmission rod located in the adjusting groove.

[0010] Preferably, the fixing plate is in an L-shaped structure, the pressing plate arranged below the bent part of the fixing plate is in a square structure, the telescopic rod of the electric rod is fixedly connected to the roller assembly through the penetrating hole, the roller assembly is movably connected to the inside of the punching assembly, and the outer side surface of the punching assembly is fixedly connected with the limiting ring, and the limiting ring is in a mouth-shaped structure.

[0011] Compared with the prior art, the utility model has the advantages that: through the cooperation of the pressing plate, the electric rod, the roller assembly, the buffer plate, the cleaning assembly and the discharge groove, the waste generated in the punching process of the plastic packaging bag can fall into the waste box through the discharge groove, thereby realizing the automatic cleaning of the waste, saving the manual cleaning, effectively improving the processing efficiency of the plastic packaging bag, and assisting in improving the positioning efficiency of the plastic packaging bag when placed, avoiding the repeated adjustment of workers, and improving the punching efficiency of the punching device. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view schematic diagram of the utility model embodiment.

[0013] Figure 2 It is a side view schematic diagram of the utility model embodiment.

[0014] Figure 3 It is a top view schematic diagram of the utility model embodiment.

[0015] Figure 4 It is aFigure 2 Enlarged view of A.

[0016] In the figure: 1, base; 2, buffer plate; 3, cleaning assembly; 4, punching groove; 5, main lead screw; 6, cross plate; 7, vertical plate; 8, transmission rod; 9, punching assembly; 10, electric rod; 11, fixed plate; 12, air cylinder; 13, buffer groove; 14, guide rod; 15, positioning frame; 16, waste box; 17, discharge groove. DETAILED DESCRIPTION

[0017] Referring to Figures 1 to 4 The utility model provides a punch device for plastic packaging bag production, include: base 1 and buffer plate 2, the upper surface of base 1 is fixedly connected air cylinder 12 through fixed plate 11, and the multistage telescopic rod of air cylinder 12 is fixedly connected pressure plate, and the lower end of fixed plate 11 is screwed main lead screw 5 through screwing hole, and one end of main lead screw 5 is movably connected cross plate 6 through bearing, and the lower surface of pressure plate is fixedly connected punching assembly 9, and the upper surface of pressure plate is symmetrically connected electric rod 10, and the position of pressure plate and punching assembly 9 relative to the telescopic rod of electric rod 10 corresponds to set up through -going hole, simultaneously, transmission rod 8 is movably connected in cross plate 6 through bearing, and transmission rod 8 is screwed vertical plate 7, buffer plate 2 is slidably connected in the buffer groove 13 of base 1, and the position of the upper surface of base 1 close to buffer groove 13 corresponds to set up punching groove 4, and the side close to fixed plate 11 of buffer groove 13 sets up installation groove, and installation groove is fixedly connected cleaning assembly 3, and the other side of buffer groove 13 sets up discharge groove 17, simultaneously, waste box 16 is slidably connected below base 1 through positioning frame 15.

[0018] In the embodiment, the size of the plastic packaging bag to be punched is determined first, the main lead screw 5 drives the horizontal plate 6 to move through the screw hole of the fixed plate 11, the transmission rod 8 drives the two groups of vertical plates 7 connected by screwing to move relative to each other, and then the adjustment of the auxiliary positioning range is completed. The plastic packaging bag to be punched is placed in the area surrounded by the horizontal plate 6 and the vertical plate 7, and the positioning process is quickly completed. The switch of the air cylinder 12 is started, the multi-stage telescopic rod of the air cylinder 12 drives the pressing plate and the punching assembly 9 to move downward, and then the punching assembly 9 can punch the plastic packaging bag. At this time, the switch of the electric rod 10 is started, the telescopic rod of the electric rod 10 drives the waste and the buffer plate 2 to move downward through the roller assembly, and the buffer plate 2 drives the guide rod 14 to be extruded at the same time. After the telescopic rod of the electric rod 10 stops moving, the buffer plate 2 moves to the appropriate position, the switch of the cleaning assembly 3 is started, the servo cylinder in the cleaning assembly 3 drives the push plate to move to one side of the discharge chute 17, the push plate can drive the waste on the surface of the buffer plate 2 to move to the discharge chute 17 at the same time, and the waste falls into the waste box 16 under the action of the slope of the discharge chute 17 and the weight, so that the automatic cleaning of the waste is realized. In the process of the push plate driving the waste, the reset switches of the air cylinder 12 and the electric rod 10 are started, the air cylinder 12 drives the pressing plate and the punching assembly 9 to reset, and the electric rod 10 drives the roller assembly to reset, so as to facilitate the worker to take out the punched plastic packaging bag and place the plastic packaging bag to be processed again. After the telescopic rod of the servo cylinder drives the push plate to move to the maximum stroke, the push plate is automatically reset, so that the buffer plate 2 is not limited by the push plate and is reset under the action of the compression spring, so as to facilitate the next punching process.

[0019] The circuit, electronic components and modules involved in the present application are all prior art, and can be completely realized by those skilled in the art. The content protected by the present application does not involve improvement of software and methods.

[0020] As a preferred embodiment, the base 1 is in a square structure, the buffer groove 13 formed in the upper surface of the base 1 is in a rectangular structure, and a through hole is formed in the bottom of the buffer groove 13. The guide rod 14 is slidably connected in the through hole, and the upper end of the guide rod 14 is fixedly connected with the lower surface of the buffer plate 2. The buffer plate 2 and the guide rod 14 are combined together to form a T-shaped structure.

[0021] In the embodiment, as Figure 1 and Figure 2 the size of the through hole is matched with that of the guide rod 14, so as to assist in enhancing the stability of the guide rod 14 when moving. The guide rod 14 can also assist in enhancing the stability of the buffer plate 2 when moving. The size of the buffer groove 13 is matched with that of the buffer groove 13, so as to avoid the shaking of the buffer plate 2 when moving.

[0022] As a preferable implementation form, the guide rod 14 is in a cylindrical structure, the baffle fixedly connected to the lower end of the guide rod 14 is in a circular structure, and the upper end of the guide rod 14 is sleeved with the spring in the buffer groove 13.

[0023] In the embodiment, as shown in Figure 1 , Figure 2 , the baffle is arranged to effectively limit the moving range of the guide rod 14 and the buffer plate 2, thereby avoiding the buffer plate 2 from being accidentally separated from the buffer groove 13 under the action of the compression spring, and ensuring that the buffer plate 2 can have a normal automatic reset structure.

[0024] As a preferable implementation form, the mounting groove formed in the side surface of the buffer groove 13 is in a convex structure, the length of the opening of the mounting groove is matched with the size of the buffer groove 13, and the cleaning assembly 3 is composed of a servo cylinder and a push plate, the push plate is in a rectangular structure, and the size of the push plate is matched with the size of the opening of the mounting groove.

[0025] In the embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , the lower surface of the push plate and the upper surface of the buffer plate 2 moved to the appropriate position are in the same plane, thereby assisting in enhancing the cleaning effect of the push plate on the surface waste of the buffer plate 2 and improving the self-cleaning efficiency of the punching device.

[0026] As a preferable implementation form, the discharge groove 17 is in an inclined surface structure, the size of the opening of the discharge groove 17 is larger than the size of the opening of the mounting groove, the positioning frame 15 is fixedly connected to the position close to the lower end opening of the discharge groove 17 on the lower surface of the base 1, the positioning frame 15 is in a door-shaped structure, and the size of the inner side surface of the positioning frame 15 is matched with the size of the outer side surface of the waste box 16.

[0027] In the embodiment, as shown in Figure 1 , Figure 3 , the inclined surface of the discharge groove 17 is arranged to enable the waste to quickly slide into the waste box 16 under the action of gravity, thereby reducing the probability of the waste being blocked in the discharge groove 17, and the positioning frame 15 is arranged to facilitate the worker to quickly position the waste box 16 during the process of loading and unloading the waste box 16, thereby ensuring that the lower end opening of the discharge groove 17 is directly opposite the feeding port of the waste box 16.

[0028] As a preferable implementation form, the punching groove 4 formed in the upper surface of the base 1 is in a back-shaped structure, the lower surfaces of the horizontal plate 6 and the vertical plate 7 are both slidingly connected to the upper surface of the base 1, the horizontal plate 6 and the vertical plate 7 are both in a long strip structure, the adjusting grooves are symmetrically formed in the two ends of the horizontal plate 6, the horizontal plate 6 and the adjusting grooves are combined to form an E-shaped structure, and the threaded structure is formed in the part of the transmission rod 8 located in the adjusting groove.

[0029] In the embodiment, as shown in Figure 1 ,Figure 3 And Figure 4 The opening of the punching groove 4 can help reduce the damage of the punching assembly 9, the two sets of thread structures at both ends of the transmission rod 8 are opposite in direction, the size of the adjusting groove and the vertical plate 7 is matched, which can help enhance the stability of the vertical plate 7 when moving, and the surface of the horizontal plate 6 is provided with scale line one, and the surface of the base 1 is provided with scale line two, which is convenient for workers to accurately adjust.

[0030] As a preferred embodiment, the fixed plate 11 is in L-shaped structure, the pressing plate below the bending part of the fixed plate 11 is in square structure, the telescopic rod of the electric rod 10 is fixedly connected with the roller assembly through the through hole, the roller assembly is movably connected in the punching assembly 9, and the outer side of the punching assembly 9 is fixedly connected with the limiting ring in mouth-shaped structure.

[0031] In this embodiment, as Figure 1 And Figure 2 The setting of the roller assembly can help reduce the difficulty of pushing the waste by the pushing plate, ensure that the waste can be smoothly pushed, avoid the problem that the waste pile cannot move due to extrusion, and the setting of the limiting ring can avoid that the punching assembly 9 is excessively embedded in the punching groove 4, and reduce the damage probability of the punching assembly 9.

[0032] The punching device for plastic packaging bag production of the utility model through the cooperation of the pressing plate, the electric rod 10, the roller assembly, the buffer plate 2, the cleaning assembly 3 and the discharge chute 17 can clean the waste generated by punching at the same time when punching the plastic packaging bag, thereby assisting in improving the working efficiency of the punching device, and the positioning efficiency of the plastic packaging bag when placed can also be improved.

Claims

1. A notching device for plastic bag production, comprising: The base (1) and the buffer plate (2) are characterized in that: the upper surface of the base (1) is fixedly connected with the air cylinder (12) through the fixed plate (11), the multi-stage telescopic rod of the air cylinder (12) is fixedly connected with the pressing plate, the lower end of the fixed plate (11) is screwed with the main screw rod (5) through the screw hole, one end of the main screw rod (5) is movably connected with the cross plate (6) through the bearing, the lower surface of the pressing plate is fixedly connected with the punching assembly (9), the upper surface of the pressing plate is symmetrically connected with the electric rod (10), the pressing plate and the punching assembly (9) are correspondingly provided with through holes relative to the position of the telescopic rod of the electric rod (10), the cross plate (6) is movably connected with the transmission rod (8) through the bearing inside the cross plate (6), the transmission rod (8) is screwed with the vertical plate (7), the buffer plate (2) is slidably connected in the buffer groove (13) of the base (1), the upper surface of the base (1) is correspondingly provided with the punching groove (4) near the buffer groove (13), the buffer groove (13) is provided with the mounting groove on the side near the fixed plate (11), the cleaning assembly (3) is fixedly connected in the mounting groove, the buffer groove (13) is provided with the discharge groove (17) on the other side, and the waste box (16) is slidably connected below the base (1) through the positioning frame (15).

2. The notching device for plastic packaging bag production according to claim 1, characterized in that, The base (1) is in a square structure, the buffer groove (13) provided on the upper surface of the base (1) is in a rectangular structure, the buffer groove (13) is provided with a through hole at the bottom, the guide rod (14) is slidably connected in the through hole, the lower end of the guide rod (14) is fixedly connected with the lower surface of the buffer plate (2), and the buffer plate (2) and the guide rod (14) are combined together to form a T-shaped structure.

3. The notching device for plastic packaging bag production according to claim 2, characterized in that, The guide rod (14) is in a cylindrical structure, the baffle fixedly connected with the lower end of the guide rod (14) is in a circular structure, and the upper end of the guide rod (14) located in the buffer groove (13) is sleeved with a spring.

4. The notching device for plastic packaging bag production according to claim 1, characterized in that, The mounting groove provided on the side of the buffer groove (13) is in a convex structure, the length of the opening of the mounting groove is matched with the size of the buffer groove (13), the cleaning assembly (3) is composed of a servo cylinder and a push plate, the push plate is in a rectangular structure, and the size of the push plate is matched with the size of the opening of the mounting groove.

5. The notching device for plastic packaging bag production according to claim 1, characterized in that, The discharge groove (17) is in an inclined surface structure, the size of the opening of the discharge groove (17) is larger than the size of the opening of the mounting groove, the positioning frame (15) is fixedly connected with the lower surface of the base (1) near the lower end opening of the discharge groove (17), the positioning frame (15) is in a door-shaped structure, and the size of the inner side of the positioning frame (15) is matched with the size of the outer side of the waste box (16).

6. The notching device for plastic packaging bag production according to claim 1, characterized in that, The punching groove (4) provided on the upper surface of the base (1) is in a back-shaped structure, the lower surfaces of the cross plate (6) and the vertical plate (7) are slidably connected with the upper surface of the base (1), the cross plate (6) and the vertical plate (7) are both in a long strip structure, the two ends of the cross plate (6) are symmetrically provided with adjusting grooves, the cross plate (6) and the adjusting grooves are combined together to form an E-shaped structure, and the transmission rod (8) is provided with a threaded structure in the adjusting groove.

7. The notching device for plastic packaging bag production according to claim 1, characterized in that, The fixed plate (11) is of L-shaped structure, the pressing plate below the bent part of the fixed plate (11) is of square structure, the telescopic rod of the electric rod (10) is fixedly connected with the roller assembly through the through hole, and the roller assembly is movably connected in the punching assembly (9), and the outer side of the punching assembly (9) is fixedly connected with the limiting ring which is of mouth-shaped structure.