Bag pulling and cutting device for composite bag

By introducing a fixing mechanism into the bag cutting device, the problem of bag bending during transfer was solved, thereby improving the cutting quality and processing efficiency.

CN223918842UActive Publication Date: 2026-02-17GUANGDONG ZHONGKAI PACKAGING CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520577201.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-02-17
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Existing bag cutting devices lack effective fixation during bag transfer, causing the bag to bend easily, affecting the cutting quality and processing efficiency.

Method used

The bag is secured by a fixing mechanism, including a rotation power mechanism, a lifting power mechanism, and a pneumatic gripper. The rotation and lifting power mechanisms rotate the bag to a vertical position, and the bottom of the bag is fixed by the fixing mechanism below to ensure the stability of the bag during the transfer process. The vertical linear module drives the pneumatic scissors to make cuts.

Benefits of technology

This effectively prevents the bag from bending during the transfer process, ensures the quality of the cut, and improves processing efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223918842U_ABST
    Figure CN223918842U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of composite bag production, and particularly relates to a bag pulling and cutting device for a composite bag, which comprises a rack, a horizontal linear module and a cutting mechanism, a mounting rack; a rotary power mechanism; a lifting power mechanism; the fixing mechanism comprises a fixing plate; the two mounting seats are symmetrically distributed and are movably connected to the fixing plate; the pneumatic clamping jaws are fixed on the two mounting seats respectively; a distance adjusting mechanism; the device further comprises a vertical linear module. Pneumatic scissors; according to the utility model, the bag body is fixed by the fixing mechanism, the bottom end of the bag body is fixed by the lower fixing mechanism after the bag body rotates to a vertical state, the lower fixing mechanism retreats after the bag body is transferred to a cutting position, and the vertical linear module drives the pneumatic scissors to move to cut. The situation that the bag body is bent in the transferring process can be effectively avoided, the notch quality is guaranteed, and the machining efficiency can be improved easily.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of composite bag production, specifically relates to a composite bag's pull bag cutting device. BACKGROUND

[0002] Paper yarn composite bag is a kind of environmental protection type packing bag formed by the inner and outer two layers of paper (usually kraft paper) and the middle netlike vinylon water soluble yarn through polyvinyl alcohol glue (PVA) compound.

[0003] Pull bag cutting device is the commonly used equipment of paper yarn composite bag production, is used to pull out bag body from the exit of indentation mechanism, is sent into the inlet of bottom pasting machine after rotating and cutting.

[0004] For example, in the prior art, the Chinese utility model patent with the authorization announcement number CN221969097U discloses "a paper yarn composite bag's pull bag cutting device", including machine body frame, pull bag turning device, pneumatic cutting device, the pull bag turning device includes ball screw, rotary cylinder, pneumatic water gap clamp, synchronous belt module, pneumatic scissors, realizes fixed through pneumatic water gap clamp to bag body head, realizes positioning condition through ball screw to pull bag body to realize bag body rotation direction by rotary cylinder rotation.

[0005] The pull bag cutting device in the prior art including the above, although it can meet general processing requirements in theory, but the reliability is lower in actual use, only realizes fixed through pneumatic water gap clamp to bag body head, in the process of bag body transfer, since its lower part does not have necessary fixing measures, it is easy to cause bag body to appear bending, needs to be flattened manually, otherwise it will inevitably affect cutting quality.

[0006] To solve the above problems, a pull bag cutting device for composite bags is provided in the utility model. UTILITY MODEL CONTENTS

[0007] To solve the above problems in the prior art, the utility model provides a pull bag cutting device for composite bags, which has the characteristics of convenient use and high reliability.

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a pull bag cutting device for composite bags, comprising a rack, further comprising:

[0009] Horizontal linear module, the horizontal linear module is fixed on the top of the rack by the first fixed frame;

[0010] Mounting frame, the mounting frame is fixed on the sliding block of the horizontal linear module;

[0011] Rotary power mechanism, the rotary power mechanism is arranged on the sliding block of the horizontal linear module;

[0012] A lifting power mechanism is arranged on the mounting frame and directly below the rotating power mechanism;

[0013] A fixing mechanism is arranged on the output shafts of the rotating power mechanism and the lifting power mechanism, and the fixing mechanism comprises:

[0014] A fixing plate;

[0015] Two mounting seats are symmetrically arranged and movably connected to the fixing plate;

[0016] A pneumatic clamp jaw is arranged on each of the two mounting seats;

[0017] A distance adjusting mechanism is arranged for adjusting the initial distance between the two pneumatic clamp jaws, and further comprising

[0018] A vertical linear module is fixed to the top of the frame through a second fixing frame;

[0019] A pneumatic shear is fixed to the sliding block of the vertical linear module.

[0020] As a preferred technical scheme of the present application, the rotating power mechanism comprises:

[0021] A rotating rod is rotatably connected to the first fixing frame, and the fixing plate is fixedly connected to the rotating rod;

[0022] A servo motor is fixed to the outer wall of the first fixing frame and used for driving the rotating rod to rotate.

[0023] As a preferred technical scheme of the present application, the lifting power mechanism comprises:

[0024] A cylinder frame is fixed to the outer wall of the mounting frame;

[0025] A vertical cylinder is fixed to the bottom of the cylinder frame, and the piston rod of the vertical cylinder penetrates through the cylinder frame and is fixedly connected to the fixing plate.

[0026] As a preferred technical scheme of the present application, the lifting power mechanism further comprises:

[0027] Two guide columns are symmetrically fixed to the bottom surface of the fixing plate, and the guide columns penetrate through the cylinder frame.

[0028] As a preferred technical scheme of the present application, the distance adjusting mechanism comprises:

[0029] Two position limiting plates are symmetrically fixed on the surface of the fixed plate;

[0030] A bidirectional screw rod is rotatably installed between the two position limiting plates, and the bidirectional screw rod penetrates the mounting seat and is connected with the mounting seat by a threaded screwing mode;

[0031] A driving motor is fixed on the position limiting plate and used for driving the bidirectional screw rod to rotate.

[0032] As a preferred technical scheme of the utility model, the distance adjusting mechanism further comprises:

[0033] Two guide rods are symmetrically fixed between the two position limiting plates, and the guide rods penetrate the mounting seat.

[0034] As a preferred technical scheme of the utility model, further comprising:

[0035] Two groups of first gusset plates are symmetrically fixed between the rack and the first fixed frame.

[0036] As a preferred technical scheme of the utility model, further comprising:

[0037] Two groups of second gusset plates are symmetrically fixed between the rack and the second fixed frame.

[0038] Compared with the prior art, the utility model has the beneficial effects that:

[0039] In the utility model, the bag body is fixed by the fixing mechanism, the bottom end of the bag body is fixed by the fixing mechanism from below after the bag body is rotated to the vertical state, the fixing mechanism from below is withdrawn after the bag body is transferred to the notch position, and the pneumatic scissors are driven by the vertical linear module to move for cutting the notch, so that the bending of the bag body in the transfer process can be effectively avoided, the notch quality is guaranteed, and the processing efficiency is improved.

[0040] Other additional advantages and beneficial effects of the utility model will be partly given in the following description, partly will become obvious from the following description, or will be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0041] The accompanying drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0042] Figure 1 It is the structural schematic diagram of the utility model;

[0043] Figure 2 is a fixed mechanism axis measurement structure schematic view in the utility model;

[0044] Figure 3 is a rotating power mechanism axis measurement structure schematic view in the utility model;

[0045] Figure 4 is a lifting power mechanism amplification structure schematic view in the utility model Figure 1 .

[0046] In the drawing: 1, rack; 2, first fixed frame; 3, horizontal linear module; 4, mounting frame; 5, rotating power mechanism; 51, rotating rod; 52, servo motor; 6, lifting power mechanism; 61, air cylinder frame; 62, vertical air cylinder; 63, guide column; 7, fixed mechanism; 71, fixed plate; 72, mounting seat; 73, pneumatic clamping jaw; 74, distance adjusting mechanism; 741, limiting plate; 742, bidirectional screw rod; 743, driving motor; 744, guide rod; 8, second fixed frame; 9, vertical linear module; 10, pneumatic scissors; 11, first angle support plate; 12, second angle support plate. DETAILED DESCRIPTION

[0047] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0048] Please refer to Figures 1-4 , the utility model provides the following technical scheme: a kind of bag cutting device of composite bag, including rack 1, still include: horizontal linear module 3, mounting frame 4, rotating power mechanism 5, lifting power mechanism 6 and fixed mechanism 7, wherein fixed mechanism 7 includes: fixed plate 71, mounting seat 72, pneumatic clamping jaw 73 and distance adjusting mechanism 74, bag cutting device of composite bag still includes vertical linear module 9 and pneumatic scissors 10.

[0049] Further, by Figure 1 and Figure 2As shown, in the embodiment, the horizontal linear module 3 is fixed to the top of the rack 1 through the first fixed frame 2, the mounting frame 4 is fixed on the sliding block of the horizontal linear module 3, the rotary power mechanism 5 is arranged on the sliding block of the horizontal linear module 3, the lifting power mechanism 6 is arranged on the mounting frame 4 and located directly below the rotary power mechanism 5, and the fixing mechanism 7 is arranged on the output shafts of the rotary power mechanism 5 and the lifting power mechanism 6; the two mounting seats 72 are symmetrically distributed and movably connected to the fixed plate 71, the pneumatic clamping jaws 73 are fixed on the two mounting seats 72, the distance adjusting mechanism 74 is used for adjusting the initial distance of the two pneumatic clamping jaws 73, the vertical linear module 9 is fixed to the top of the rack 1 through the second fixed frame 8, and the pneumatic scissors 10 are fixed on the sliding block of the vertical linear module 9.

[0050] Optionally, by Figures 1-3 As shown, in the embodiment, the rotary power mechanism 5 comprises a rotary rod 51 and a servo motor 52, the rotary rod 51 is rotatably connected to the first fixed frame 2, the fixed plate 71 is fixedly connected with the rotary rod 51, and the servo motor 52 is fixed to the outer wall of the first fixed frame 2 and used for driving the rotary rod 51 to rotate.

[0051] It should be noted that, in order to ensure the stability of the fixing mechanism 7 after rotation, the servo motor 52 is selected to have a brake, that is, when the servo motor 52 is in a non-working state, the output shaft is locked and cannot rotate.

[0052] Optionally, as shown in Figure 1 , Figure 2 and Figure 4 , in the embodiment, the lifting power mechanism 6 comprises a cylinder frame 61 fixed to the outer wall of the mounting frame 4 and a vertical cylinder 62 fixed to the bottom of the cylinder frame 61, and the piston rod of the vertical cylinder 62 penetrates the cylinder frame 61 and is fixedly connected with the fixed plate 71. After the above scheme is adopted, in use, the vertical cylinder 62 is started, and the fixing mechanism 7 below is driven by the vertical cylinder 62 to move in the vertical direction.

[0053] Preferably, as shown in Figure 1 , Figure 2 and Figure 4 , in the embodiment, the lifting power mechanism 6 further comprises two guide columns 63 which are fixed symmetrically to the bottom surface of the fixed plate 71 and penetrate the cylinder frame 61. After the above scheme is adopted, in use, the two guide columns 63 are used to support and guide the fixing mechanism 7, further improving the stability of the fixing mechanism 7.

[0054] Optionally, as shown in Figure 1 and Figure 2 , in the embodiment, the distance adjusting mechanism 74 comprises two limiting plates 741 fixed symmetrically to the surface of the fixed plate 71, a bidirectional threaded rod 742 rotatably installed between the two limiting plates 741, and a driving motor 743 fixed on the limiting plate 741 and used to drive the bidirectional threaded rod 742 to rotate. The bidirectional threaded rod 742 penetrates the mounting seat 72 and is connected with the mounting seat 72 by screwing. After the above scheme is adopted, in use, the driving motor 743 is started to drive the bidirectional threaded rod 742 to rotate, and under the action of screwing, the two mounting seats 72 move towards or away from each other, which is used to adjust the initial distance of the two pneumatic clamping jaws 73, and is suitable for bag bodies of different widths and has a wide range of applications.

[0055] Preferably, as shown in Figure 1 and Figure 2 , in the embodiment, the distance adjusting mechanism 74 further comprises two guide rods 744 fixed symmetrically between the two limiting plates 741 and penetrating the mounting seat 72. After the above scheme is adopted, in use, the two guide rods 744 are used to support and guide the mounting seat 72, further improving the stability of the mounting seat 72.

[0056] Preferably, by Figure 1 As shown in the embodiment, it also includes: the first gusset 11, two groups of first gusset 11 are fixed symmetrically between the rack 1 and the first fixed frame 2, after using the above scheme, the first gusset 11 is preferably fixed and connected by welding, to ensure the stability of the connection between the rack 1 and the first fixed frame 2, and improve the stability of the whole bag cutting device.

[0057] Preferably, by Figure 1 As shown in the embodiment, it also includes: the second gusset 12, two groups of second gusset 12 are fixed symmetrically between the rack 1 and the second fixed frame 8, after using the above scheme, the second gusset 12 is preferably fixed and connected by welding, to ensure the stability of the connection between the rack 1 and the second fixed frame 8, and improve the stability of the whole bag cutting device.

[0058] It should be noted that the horizontal linear module 3, the servo motor 52, the vertical cylinder 62, the pneumatic clamping jaw 73, the driving motor 743, the vertical linear module 9 and the pneumatic scissors 10 are all conventional equipment purchased in the market, with built-in power switches, and those skilled in the art can make conventional selection according to the use needs, the working principle is the common sense known by those skilled in the art and has been fully disclosed by the prior art, and will not be described in detail herein.

[0059] The circuit connection of the utility model relates to the common means adopted by those skilled in the art, and can obtain technical inspiration through limited tests, and belongs to the prior art widely used.

[0060] The components not described in detail herein are prior art.

[0061] The working principle and use process of the utility model: when the bag cutting device of the utility model is used, the front side of the bag cutting device is a bag body indentation machine, and the rear side is a paste bottom machine; when the bag body is discharged from the indentation machine, the horizontal linear module 3 moves, drives the mounting bracket 4, the rotary power mechanism 5, the lifting power mechanism 6 and the fixing mechanism 7 towards the bag body;

[0062] First, the pneumatic clamping jaw 73 at the output end of the rotary power mechanism 5 clamps the bag opening, then the horizontal linear module 3 retreats, and the whole bag body is pulled out through the pneumatic clamping jaw 73;

[0063] Then the rotary power mechanism 5 is driven to rotate the bag body to a vertical state, and then the lifting power mechanism 6 drives the fixing mechanism 7 to move upwards, clamps the bottom end of the bag body through the pneumatic clamping jaw 73 below, and appropriately drives the pneumatic clamping jaw 73 below to move downwards by a certain distance through the lifting power mechanism 6, so that the bag body is flat.

[0064] After the horizontal linear module 3 conveys the bag body to the pneumatic scissors 10, the initial position of the pneumatic scissors 10 is at the highest point, when the bag body reaches the cutting position, the horizontal linear module 3 pauses, at this time the bag body is in a static state, the lower pneumatic clamping jaw 73 releases the bag body, and the lifting power mechanism 6 is started to make the lower fixing mechanism 7 exit, so as to avoid affecting the cutting, then the pneumatic scissors 10 is driven to move down by the vertical linear module 9 to complete the cutting;

[0065] The bag body is fixed by the fixing mechanism 7, the bottom end of the bag body is fixed by the lower fixing mechanism 7 after the bag body rotates to a vertical state, the lower fixing mechanism 7 exits after the bag body is transferred to the cutting position, the pneumatic scissors 10 is driven to move by the vertical linear module 9 to cut, the bending of the bag body during the transfer process can be effectively avoided, the cutting quality is guaranteed, and the processing efficiency is improved.

[0066] In another aspect of the utility model, the driving motor 743 is started to drive the bidirectional screw rod 742 to rotate, under the screw rotation cooperation, the two mounting seats 72 move towards or reversely, for adjusting the initial spacing of the two pneumatic clamping jaws 73, suitable for bag bodies of different widths, and the application range is wide.

[0067] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A bag opening device for a composite bag comprising a frame (1), characterized in that, Also include: Horizontal linear module (3), the horizontal linear module (3) is fixed on the top of the rack (1) by the first fixed frame (2); Mounting frame (4), the mounting frame (4) is fixed on the slider of the horizontal linear module (3); Rotary power mechanism (5), the rotary power mechanism (5) is arranged on the slider of the horizontal linear module (3); Lifting power mechanism (6), the lifting power mechanism (6) is arranged on the mounting frame (4) and is located directly below the rotary power mechanism (5); Fixing mechanism (7), the fixing mechanism (7) is arranged on the output shaft of the rotary power mechanism (5) and the lifting power mechanism (6), wherein the fixing mechanism (7) comprises: Fixed plate (71); Mounting seat (72), two mounting seats (72) are symmetrically distributed and movably connected to the fixed plate (71); Pneumatic clamping jaw (73), the pneumatic clamping jaw (73) is fixed on two mounting seats (72); Distance adjusting mechanism (74), the distance adjusting mechanism (74) is used for adjusting the initial distance of two pneumatic clamping jaws (73);Also include Vertical linear module (9), the vertical linear module (9) is fixed on the top of the rack (1) by the second fixed frame (8); Pneumatic scissors (10), the pneumatic scissors (10) are fixed on the slider of the vertical linear module (9).

2. A composite bag drawstring cutout device according to claim 1, wherein: The rotary power mechanism (5) comprises: Rotary rod (51), the rotary rod (51) is rotatably connected to the first fixed frame (2), and the fixed plate (71) is fixedly connected with the rotary rod (51); Servo motor (52), the servo motor (52) is fixed to the outer wall of the first fixed frame (2) and is used for driving the rotary rod (51) to rotate.

3. A composite bag drawstring cutout apparatus according to claim 1, wherein: The lifting power mechanism (6) comprises: Cylinder frame (61), the cylinder frame (61) is fixed to the outer wall of the mounting frame (4); Vertical cylinder (62), the vertical cylinder (62) is fixed to the bottom of the cylinder frame (61), and the piston rod of the vertical cylinder (62) penetrates through the cylinder frame (61) and is fixedly connected with the fixed plate (71).

4. A composite bag drawstring cutout device according to claim 3, wherein: The lifting power mechanism (6) further comprises: Guide column (63), two guide columns (63) are fixed symmetrically to the bottom surface of the fixed plate (71), and the guide columns (63) penetrate through the cylinder frame (61).

5. A composite bag drawstring cutout apparatus as defined in claim 1, wherein: The distance adjusting mechanism (74) comprises: Limiting plate (741), two limiting plates (741) are fixed symmetrically to the surface of the fixed plate (71); Bidirectional threaded rod (742), the bidirectional threaded rod (742) is rotatably installed between two limiting plates (741), and the bidirectional threaded rod (742) penetrates through the mounting seat (72) and is connected with the mounting seat (72) by screwing; Driving motor (743), the driving motor (743) is fixed on the limiting plate (741) and is used for driving the bidirectional threaded rod (742) to rotate.

6. A composite bag drawstring cutout device according to claim 5, wherein: The distance adjusting mechanism (74) further comprises: A guide rod (744) is fixed between the two limiting plates (741) symmetrically, and the guide rod (744) penetrates the mounting seat (72).

7. A composite bag drawstring cutout apparatus as defined in claim 1, wherein: Further comprising: A first angle brace (11) is fixed between the rack (1) and the first fixed frame (2) symmetrically.

8. A composite bag drawstring cutout apparatus according to claim 1, wherein: Further comprising: A second angle brace (12) is fixed between the rack (1) and the second fixed frame (8) symmetrically.

Citation Information

Patent Citations

  • Bag pulling and cutting device for paper yarn composite bag

    CN221969097U