Paper bag punching device

By designing a paper bag punching device with a frame, U-shaped frame and limiting strip structure, the problem of difficulty in adjusting the punching position and spacing in the existing technology has been solved, and efficient processing of different paper bags has been achieved.

CN223750390UActive Publication Date: 2026-01-02MAANSHAN YANXU PACKAGING TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520190723.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-02
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Existing paper bag punching devices are difficult to adjust the punching position and spacing according to requirements, thus limiting their applicability.

Method used

A paper bag punching device was designed, including a frame, a U-shaped frame and a limiting strip structure. The punching position and spacing are adjusted by a sliding and locking mechanism, and the punch is driven by a cylinder to perform punching.

Benefits of technology

It enables the adjustment of punching position and spacing according to needs, improves the applicability of punching device, and meets the processing needs of paper bags of different sizes.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223750390U_ABST
    Figure CN223750390U_ABST
Patent Text Reader

Abstract

The utility model discloses a paper bag punching device which comprises a rack, a long groove is formed in the end portion of the rack, U-shaped frames are arranged at the two ends of the long groove in a sliding mode respectively, punches are arranged at the upper ends of the U-shaped frames in an up-and-down displacement mode, receding holes aligned with the punches are formed in the lower ends of the U-shaped frames, and the upper ends of the U-shaped frames are provided with punching holes. Side face limiting strips are arranged on the two sides of the rack correspondingly so that the side face limiting strips can move in the length direction of the rack, and a top limiting strip is arranged at the lower end of the U-shaped frame so that the top limiting strip can move in the width direction of the rack. The problem that according to a punching device in the prior art, the punching position and distance are difficult to adjust according to needs is solved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to paper bag processing field, and specifically, a paper bag punching device. BACKGROUND

[0002] In the paper bag processing field, the paper bag needs to be punched at the opening after processing and forming, so as to facilitate the subsequent installation of the handle. For example, the Chinese patent with the patent number CN219522353U provides a color printing paperboard punching device, which specifically comprises a workbench, the upper surface of the workbench is fixedly connected with two trapezoidal plates, two fixed plates are arranged above the workbench, a threaded rod is threadedly connected in the inside of each trapezoidal plate, the utility model discloses a fixed plate, a threaded rod, a hand wheel and other components are arranged, the paperboard is placed on the workbench, the position of the paperboard to be punched is aligned with the circular hole, then according to the length of the paperboard, the two hand wheels are rotated, so that the two threaded rods push the corresponding fixed plates to move to the position in contact with the two sides of the paperboard, the two sliding blocks are slid along the upper surface of the fixed plate to the position in contact with the side surface of the paperboard, and the nut of the square bolt is rotated to fix the position of the sliding block.

[0003] Due to the different sizes of paper bags, the punching positions and distances of different models of paper bags are different, and the punching position of the punching device in the prior art is difficult to adjust in actual application. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a paper bag punching device, which solves the problem that the punching device in the prior art is difficult to adjust the punching position and distance according to the requirement.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a paper bag punching device, which comprises a rack, the end of the rack is provided with a long slot, the two ends of the long slot are respectively slidably provided with a U-shaped frame, the upper end of the U-shaped frame is provided with a punch which can be displaced up and down, the lower end of the U-shaped frame is provided with a relief hole which is aligned with the punch, the two sides of the rack are respectively provided with a side limiting strip, so that the side limiting strip can be displaced along the length direction of the rack, and the lower end of the U-shaped frame is provided with a top limiting strip, so that the top limiting strip can be displaced along the width direction of the rack.

[0006] Preferably, the upper end of the U-shaped frame is provided with a sliding hole, the punch is slidably arranged in the sliding hole, a spring is sleeved with the upper section of the punch, one end of the spring is connected with the upper end of the punch, and the other end is connected with the U-shaped frame.

[0007] Preferably, the top limiting strip is provided with a first locking screw, so that the first locking screw can abut against the U-shaped frame.

[0008] Preferably, a second locking screw is arranged on the side limiting strip, so that the second locking screw can abut against the surface of the rack.

[0009] Preferably, slide rails are arranged on the two sides of the long groove, and a slide strip structure is formed on the U-shaped frame and slidably clamped in the slide rails.

[0010] Preferably, a through groove is arranged on the back of the slide rail, and a screw is arranged on the slide strip structure, the screw passes through the through groove and is screwed with a locking nut.

[0011] Preferably, a scale is arranged on the slide rail, and a pointer cooperating with the scale is arranged on the U-shaped frame.

[0012] Preferably, a bracket is arranged on the rack, a gas cylinder is arranged on the bracket, and a pressing strip is connected to the piston rod of the gas cylinder, so that the pressing strip can contact the upper end of the punch.

[0013] Beneficial effects: the paper bag punching device provided by the utility model, which comprises a rack, the end of the rack is provided with a long groove, the two ends of the long groove are respectively slidably provided with U-shaped frames, the upper end of the U-shaped frame is provided with a punch which can be displaced up and down, the lower end of the U-shaped frame is provided with an avoiding hole which is aligned with the punch, the two sides of the rack are respectively provided with side limiting strips, so that the side limiting strips can be displaced along the length direction of the rack, and the lower end of the U-shaped frame is provided with a top limiting strip, so that the top limiting strip can be displaced along the width direction of the rack. In specific use, the paper bag is placed on the surface of the rack, the two sides of the paper bag are limited by the side limiting strips, and the opening of the paper bag is limited by the top limiting strip, the positions of the side limiting strips and the top limiting strip can be adjusted according to the specific punching position, then the U-shaped frame can be slid to adjust the distance between the two openings, and the punch can be pressed down to punch the opening of the paper bag, the paper bag punching device provided by the utility model can adjust the punching position and the distance according to the requirement, and the application range of the punching device is greatly improved.

[0014] Other features and advantages of the utility model will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used together with the following specific embodiment to explain the utility model, but do not constitute the limitation to the utility model. In the drawings:

[0016] Figure 1 It is the first structure diagram of the paper bag punching device provided by the utility model;

[0017] Figure 2 is Figure 1 is an enlarged view of part A in figure 1;

[0018] Figure 3 is Figure 1 is an enlarged view of part B in figure 1;

[0019] Figure 4 is a second structural view of the paper bag punching device provided by the utility model;

[0020] Figure 5 is Figure 4 is an enlarged view of part C in figure 1.

[0021] Explanation of reference signs

[0022] 1 - rack; 2 - side limiting strip; 3 - long groove; 4 - support; 5 - air cylinder; 6 - pressing strip; 7 - U-shaped frame; 8 - avoiding hole; 9 - punch; 10 - spring; 11 - top limiting strip; 12 - first locking screw; 13 - pointer; 14 - slide rail; 15 - through groove; 16 - screw. DETAILED DESCRIPTION

[0023] The specific embodiments described hereinafter are intended to be illustrative for explaining and interpreting the utility model, and are not intended to limit the utility model.

[0024] As Figures 1-5 shown: the utility model provides a kind of paper bag punching device, the paper bag punching device includes rack 1, the end of the rack 1 is provided with long groove 3, the both ends of the long groove 3 are slidably provided with U-shaped frame 7 respectively, the upper end of the U-shaped frame 7 is slidably provided with punch 9, the lower end of the U-shaped frame 7 is provided with avoiding hole 8 aligning with the punch 9, the both sides of the rack 1 are provided with side limiting strip 2 respectively, so that the side limiting strip 2 can be displaced along the length direction of the rack 1, the lower end of the U-shaped frame 7 is provided with top limiting strip 11, so that the top limiting strip 11 can be displaced along the width direction of the rack 1.In specific use, paper bag is placed on the surface of rack, its both sides are limited by side limiting strip, the opening of paper bag is limited by top limiting strip, the position of side limiting strip and top limiting strip here can be adjusted according to the position of specific punching, then U-shaped frame can be slid, so that the distance between two openings is adjusted, punch is pressed down, and the opening of paper bag is punched, the paper bag punching device provided by the utility model can adjust punching position and interval according to demand, greatly improve the application range of punching device.

[0025] In a preferred embodiment of the utility model, in order to make the punch reset automatically after pressing down, the upper end of the U-shaped frame 7 is provided with a sliding hole, the punch 9 is slidably arranged in the sliding hole, the upper section of the punch 9 is sleeved with a spring 10, one end of the spring 10 is connected with the upper end of the punch 9, and the other end is connected with the U-shaped frame 7.

[0026] In a preferred embodiment of the utility model, in order to lock the top limiting strip, the top limiting strip 11 is provided with a first locking screw 12, so that the first locking screw 12 can abut against the U-shaped frame 7.

[0027] In a preferred embodiment of the utility model, in order to lock the side limiting strip, the side limiting strip 2 is provided with a second locking screw, so that the second locking screw can abut against the surface of the rack 1.

[0028] In a preferred embodiment of the utility model, in order to limit the displacement of the U-shaped frame, the two sides of the long groove 3 are respectively provided with sliding rails 14, the U-shaped frame 7 is formed with a sliding strip structure, and the sliding strip structure is slidably clamped in the sliding rail 14.

[0029] In a preferred embodiment of the utility model, in order to lock the U-shaped frame on the sliding rail, the back surface of the sliding rail 14 is provided with a through groove 15, the sliding strip structure is provided with a screw rod 16, the screw rod 16 penetrates through the through groove 15 and is screwed with a locking nut.

[0030] In a preferred embodiment of the utility model, in order to accurately adjust the distance between the two U-shaped frames, so as to adjust the distance between the two punching holes, the sliding rail 14 is provided with a scale, and the U-shaped frame 7 is provided with a pointer 13 matched with the scale.

[0031] In a preferred embodiment of the utility model, the rack 1 is provided with a support 4, the support 4 is provided with a pneumatic cylinder 5, and the piston rod of the pneumatic cylinder 5 is connected with a pressing strip 6, so that the pressing strip 6 can contact the upper end of the punch 9. By opening the pneumatic cylinder, the pressing strip can press down the two punches at the same time, so as to complete the punching operation.

[0032] The preferred embodiments of the utility model are described in detail above with reference to the drawings, but the utility model is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical scheme of the utility model within the technical concept of the utility model, and these simple modifications all belong to the protection scope of the utility model.

[0033] In addition, it should be noted that the various specific technical features described in the foregoing detailed description can be combined in any suitable manner, and that the application contemplates all possible combinations of features, unless otherwise indicated herein.

[0034] Furthermore, the various embodiments of the application can also be combined with each other, as long as they do not contradict the spirit of the application, and they should also be considered as disclosed by the application.

Claims

1. A paper bag punch apparatus characterized by comprising: The paper bag punching device comprises a rack (1), the ends of the rack (1) are provided with long grooves (3), the two ends of the long grooves (3) are respectively slidably provided with U-shaped frames (7), the upper ends of the U-shaped frames (7) are slidably provided with punches (9), the lower ends of the U-shaped frames (7) are provided with escape holes (8) aligned with the punches (9), the two sides of the rack (1) are respectively provided with side limiting strips (2), so that the side limiting strips (2) can be displaced along the length direction of the rack (1), and the lower ends of the U-shaped frames (7) are provided with top limiting strips (11), so that the top limiting strips (11) can be displaced along the width direction of the rack (1).

2. The paper sack punch apparatus according to claim 1, wherein The upper end of the U-shaped frame (7) is provided with a sliding hole, the punch (9) is slidably arranged in the sliding hole, the upper end of the punch (9) is sleeved with a spring (10), one end of the spring (10) is connected with the upper end of the punch (9), and the other end of the spring (10) is connected with the U-shaped frame (7).

3. The paper sack punch apparatus of claim 2 wherein, The top limiting strip (11) is provided with a first locking screw (12), so that the first locking screw (12) can abut against the U-shaped frame (7).

4. The paper sack punch apparatus of claim 3 wherein, The side limiting strip (2) is provided with a second locking screw, so that the second locking screw can abut against the surface of the rack (1).

5. The paper sack punch apparatus of claim 4 wherein, The two sides of the long groove (3) are respectively provided with slide rails (14), the U-shaped frame (7) is formed with a slide strip structure, and the slide strip structure is slidably clamped in the slide rail (14).

6. The paper sack punch apparatus of claim 5 wherein, The back of the slide rail (14) is provided with a through groove (15), the slide strip structure is provided with a screw (16), the screw (16) penetrates through the through groove (15) and is twisted with a locking nut.

7. The paper sack punch apparatus of claim 6 wherein, The slide rail (14) is provided with a scale, and the U-shaped frame (7) is provided with a pointer (13) matched with the scale.

8. The paper sack punch apparatus of claim 6 wherein, The rack (1) is provided with a support (4), the support (4) is provided with a gas cylinder (5), the piston rod of the gas cylinder (5) is connected with a pressing strip (6), so that the pressing strip (6) can contact the upper end of the punch (9).

Citation Information

Patent Citations

  • Color printing paperboard punching device

    CN219522353U