Woven bag cutting and sewing device

The combination of the seaming component and the cutting component of the woven bag cutting and sewing device solves the problem that the woven bag cutting machine cannot cut continuously, realizes continuous sewing and cutting of the woven bag, improves production efficiency and reduces manual intervention.

CN223355095UActive Publication Date: 2025-09-19JINAN DINGXIN MACHANICAL MFG
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Patent Information

Application Number
CN202422125314.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-09-19
Estimated Expiration
2034-08-30

AI Technical Summary

Technical Problem

Existing woven bag cutting machines cannot achieve continuous cutting during the cutting process and require a lot of manual intervention, resulting in low production efficiency.

Method used

A woven bag cutting and sewing device is adopted. Through the combination of a sewing component and a cutting component, a sewing-first-then-cutting method is realized. The sewing machine and the cutting cylinder are combined with a serrated knife to sew and cut the woven bag, forming an easy-to-tear line and reducing manual intervention.

Benefits of technology

The continuous cutting of woven bags is realized, the production efficiency is improved, the labor input is reduced, and the cut woven bags are ensured to be easy to tear apart and not to be broken from the main body.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a woven bag cutting and sewing device, which relates to the technical field of woven bag processing and comprises a case body, and a cutting component is further fixed above one end, far away from an unwinding support, of the case body. The cutting assembly comprises a portal frame, a cutting air cylinder is fixed to the middle of the top of the portal frame, and a cutting base is fixed to the end of a cylinder rod of the cutting air cylinder. A serrated knife is fixed at the bottom of the cutting seat; when the woven bag sewing machine is used, one end of a woven bag roll is drawn out, then bypasses the support roll shaft and the transition rollers installed on the installation frame, enters the tensioning assembly to be tensioned and then sequentially enters the sewing assembly to be sewed through the other transition rollers, the woven bag is cut through the cutting assembly, and an easy-to-tear line is cut out of the woven bag. Therefore, subsequent tearing of the woven bag is facilitated; and due to the arrangement of the easy-to-tear line, it can be guaranteed that the woven bag can be smoothly wound after being cut, the woven bag does not need to be manually pulled every time, and the production efficiency is effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of woven bag processing, in particular to a woven bag cutting and sewing device. Background Art

[0002] Woven bags are made of silk threads woven on a circular loom to form semi-finished woven bags. Then a cutting machine is needed to cut and sew the semi-finished products to form individual woven bags.

[0003] Chinese patent publication number CN 219385769 U provides a woven bag cutting machine, including a workbench, a conveying mechanism for conveying woven bags is installed on one side of the workbench, a cutting mechanism for cutting woven bags is provided at the top middle end of the workbench, the conveying mechanism includes a first conveying roller, a second conveying roller and two fixed rods, the first conveying roller is rotatably connected to one side of the workbench, and the two ends of the second conveying roller are fixedly connected to the adjacent ends of the two fixed rods.

[0004] The woven bag cutting machine in the above patent directly cuts the woven bags into individual bags. After cutting, the subsequent woven bags need to be manually stretched forward under the cutting machine before the next woven bag can be cut. As a result, the woven bags cannot be cut continuously during the cutting process, and a large amount of manpower is required, which reduces the production efficiency of the woven bags. Utility Model Content

[0005] The purpose of the utility model is to provide a woven bag cutting and sewing device, which can cut the woven bag so that the woven bag has an easy-tear line. This cutting method is convenient for subsequent tearing of the woven bag, and the cut woven bag is not broken from the main body, and no manual participation is required, which greatly improves the production efficiency of the woven bag and solves the technical problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A woven bag cutting and sewing device, comprising

[0008] A chassis body, one end of which is fixed with an unwinding bracket, on which an unwinding shaft is provided; both ends of the unwinding shaft are mounted on the unwinding bracket via detachable seat bearings;

[0009] A mounting frame is fixed to the upper end of the chassis, a bracket roller is provided above the end of the mounting frame close to the unwinding shaft, and a tensioning assembly is provided on the mounting frame; a transition roller is also fixed on the mounting frame; a cutting assembly is also fixed above the end of the chassis away from the unwinding bracket;

[0010] The cutting assembly comprises a gantry, a cutting cylinder is fixed at the middle position of the top of the gantry, a cutting seat is fixed at the end of the cylinder rod of the cutting cylinder; and a serrated knife is fixed at the bottom of the cutting seat.

[0011] As a further technical solution of the present invention, the gantry is fixed on the chassis; a shearing seat is correspondingly installed below the serrated knife; and the shearing seat is fixed on the chassis.

[0012] As a further technical solution of the present invention, the tensioning assembly includes two first adjustment cylinders fixed to the mounting frame, and the ends of the cylinder rods of the two first adjustment cylinders are equipped with first tensioning rollers through seat bearings;

[0013] It also includes two second adjusting cylinders fixed to the lifting plate; the cylinder rod ends of the two second adjusting cylinders are equipped with second tensioning rollers through seat bearings.

[0014] As a further technical solution of the present invention, the upper end of the lifting plate is fixed to the cylinder rod of the linear cylinder; and the linear cylinder is fixed to the top of the mounting frame.

[0015] As a further technical solution of the present invention, the seam assembly includes a support frame, a crossbeam is provided on the top of the support frame, and a sliding frame is slidably connected to the outer side of the crossbeam; a seam machine is installed on the sliding frame.

[0016] As a further technical solution of the present invention, a threaded hole is provided at the upper end of the sliding frame and is threadedly connected to the screw rod; both ends of the screw rod are installed on the support frame through seat bearings, and a screw motor is installed at one end.

[0017] As a further technical solution of the present invention, three transition rollers are provided, and the other two are respectively fixed on the chassis on both sides of the slot assembly; a controller is provided on one side of the chassis.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. When the utility model is in use, one end of the woven bag roll is first drawn out, and then passes through the support roller and the transition roller installed on the mounting frame, and then enters the tensioning assembly for tensioning, and then passes through the remaining transition rollers in sequence to enter the sewing assembly for sewing and the woven bag is cut by the cutting assembly, and the woven bag is cut with an easy-tear line, so as to facilitate the subsequent tearing of the woven bag; and the setting of the easy-tear line can ensure that the woven bag can be smoothly rolled up after cutting, without the need for manual pulling of the woven bag each time, thereby effectively improving the production efficiency of the woven bag;

[0020] 2. In this utility model, when cutting the woven bag, the cylinder rod of the cutting cylinder extends, so that the serrated knife installed below the cutting seat cooperates with the shear seat to cut the woven bag, thereby forming an easy-tear line on the woven bag;

[0021] 3. In the present invention, the first adjusting cylinder contracts, the second adjusting cylinder extends, and the contraction of the linear cylinder can realize the distance between the first tensioning roller and the second tensioning roller, thereby realizing the tension adjustment of the woven bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0023] Figure 2 This utility model Figure 1 Schematic diagram from another perspective.

[0024] Figure 3 This utility model Figure 1 main view.

[0025] Figure 4 This utility model Figure 1 A partial enlarged schematic diagram.

[0026] Figure 5 This utility model Figure 2 A partial enlarged schematic diagram.

[0027] Figure 6 This utility model Figure 3 A partial enlarged schematic diagram.

[0028] Figure 7 It is a structural diagram of the cutting component in the utility model.

[0029] In the figure: 1-chassis, 2-unwinding bracket, 3-unwinding shaft, 4-bracket roller, 5-mounting frame, 6-tensioning assembly, 7-seam assembly, 8-transition roller, 9-cutting assembly, 10-controller;

[0030] 61-first adjustment cylinder, 62-first tensioning roller, 63-second adjustment cylinder, 64-second tensioning roller, 65-lifting plate, 66-linear cylinder;

[0031] 71-support frame, 72-crossbeam, 73-screw motor, 74-screw, 75-sliding frame, 76-sewing machine; 91-gantry, 92-cutting cylinder, 93-cutting seat, 94-serrated knife, 95-cutting seat. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] See also Figure 1-7 In an embodiment of the present invention, a woven bag cutting and sewing device includes a chassis 1, one end of which is fixed with an unwinding bracket 2, and an unwinding shaft 3 is provided on the unwinding bracket 2; both ends of the unwinding shaft 3 are mounted on the unwinding bracket 2 through detachable seat bearings;

[0034] A mounting frame 5 is fixed to the upper end of the chassis 1, and a bracket roller 4 is provided above the end of the mounting frame 5 close to the unwinding shaft 3, and a tensioning assembly 6 is provided on the mounting frame 5; a transition roller 8 is also fixed on the mounting frame 5; a cutting assembly 9 is also fixed above the end of the chassis 1 away from the unwinding bracket 2.

[0035] By adopting the above technical solution, when in use, one end of the woven bag roll is first pulled out, and then it passes around the bracket roller 4 and the transition roller 8 installed on the mounting frame 5, and enters the tensioning component 6 for tensioning, and then passes through the remaining transition rollers 8 to enter the sewing component 7 for sewing and use the cutting component 9 to cut the woven bag, cutting out the easy-tear line from the woven bag, thereby facilitating the subsequent tearing of the woven bag; and the setting of this easy-tear line can ensure that the woven bag can be smoothly rolled up after cutting, without the need for manual pulling of the woven bag each time, effectively improving the production efficiency of the woven bag.

[0036] The cutting assembly 9 includes a gantry 91 , a cutting cylinder 92 is fixed at the middle position of the top of the gantry 91 , a cutting seat 93 is fixed at the end of the cylinder rod of the cutting cylinder 92 ; a serrated knife 94 is fixed at the bottom of the cutting seat 93 .

[0037] Furthermore, the gantry 91 is fixed on the chassis 1 ; a shearing seat 95 is correspondingly installed below the serrated knife 94 ; and the shearing seat 95 is fixed on the chassis 1 .

[0038] By adopting the above technical solution, when cutting the woven bag, the cylinder rod of the cutting cylinder 92 extends, so that the serrated knife 94 installed under the cutting seat 93 cooperates with the shearing seat 95 to cut the woven bag, thereby forming a tear line on the woven bag.

[0039] In this embodiment, the tensioning assembly 6 includes two first adjustment cylinders 61 fixed to the mounting frame 5, and the ends of the cylinder rods of the two first adjustment cylinders 61 are equipped with first tensioning rollers 62 via seated bearings;

[0040] It also includes two second adjustment cylinders 63 fixed to the hanging plate 65; the cylinder rod ends of the two second adjustment cylinders 63 are installed with second tensioning rollers 64 through seat bearings.

[0041] More specifically, the upper end of the hanging plate 65 is fixed to the cylinder rod of the linear cylinder 66 ; the linear cylinder 66 is fixed to the top of the mounting frame 5 .

[0042] By adopting the above technical solution, when in use, the first adjustment cylinder 61 contracts, the second adjustment cylinder 63 extends, and the contraction of the linear cylinder 66 can realize the distance between the first tensioning roller 62 and the second tensioning roller 64, thereby realizing the tension adjustment of the woven bag.

[0043] In this embodiment, the sewing assembly 7 includes a support frame 71 , a crossbeam 72 is provided on the top of the support frame 71 , and a sliding frame 75 is slidably connected to the outer side of the crossbeam 72 ; a sewing machine 76 is installed on the sliding frame 75 .

[0044] Specifically, a threaded hole is provided at the upper end of the sliding frame 75 and is threadedly connected to the screw rod 74; both ends of the screw rod 74 are mounted on the support frame 71 through seat bearings, and one end is equipped with a screw motor 73.

[0045] By adopting the above technical solution, when sewing the woven bag, the screw motor 73 drives the screw 74 to rotate, and the sliding frame 75 converts the rotational motion of the screw 74 into linear motion, so that the sewing machine 76 seals the woven bag; the sewing machine 76 is a sewing machine head, which is a commercially available product, mainly used to sew the woven bag, and is not limited to a certain model.

[0046] In this embodiment, three transition rollers 8 are provided, and the other two are fixed on the chassis 1 on both sides of the slot assembly 7 respectively; a controller 10 is provided on one side of the chassis 1.

[0047] As a further illustration of the above embodiment, the present invention processes the woven bags by sewing first and then cutting, which can achieve sustainable processing of the equipment and effectively improve the production efficiency of the woven bags.

[0048] The working principle of the present invention is: when in use, first pull out one end of the woven bag roll, then pass it around the bracket roller 4 and the transition roller 8 installed on the mounting frame 5, and then enter the tensioning assembly 6 for tensioning. When in use, the first adjustment cylinder 61 contracts, the second adjustment cylinder 63 extends, and the contraction of the linear cylinder 66 can achieve the spacing between the first tensioning roller 62 and the second tensioning roller 64, thereby realizing the tension adjustment of the woven bag; then pass through the remaining transition rollers 8 to enter the sewing assembly 7 for sewing. When sewing the woven bag, the screw motor 73 drives the screw rod 74 to rotate, and the sliding frame 75 converts the rotational motion of the screw rod 74 into linear motion, so that the sewing machine 76 seals the woven bag; the sewing machine 76 is a sewing machine head, which is a commercially available product, mainly used to achieve sewing of woven bags, and is not limited to a certain model.

[0049] The woven bag is cut by the cutting assembly 9. When the woven bag is cut, the rod of the cutting cylinder 92 extends, so that the serrated knife 94 installed under the cutting seat 93 cooperates with the shearing seat 95 to cut the woven bag, thereby forming an easy-tear line in the woven bag, which is convenient for subsequent tearing of the woven bag. The setting of the easy-tear line can ensure that the woven bag can be smoothly rolled up after cutting, without the need for manual pulling of the woven bag each time, which effectively improves the production efficiency of the woven bag.

[0050] The utility model processes the woven bag by adopting the method of sewing the openings first and then cutting, which can realize the sustainable processing of the equipment and effectively improve the production efficiency of the woven bag.

[0051] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0052] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A woven bag cutting and sewing device, characterized by: include A chassis (1), one end of which is fixed with an unwinding bracket (2), and an unwinding shaft (3) is provided on the unwinding bracket (2); both ends of the unwinding shaft (3) are mounted on the unwinding bracket (2) via detachable seat bearings; A mounting frame (5) is fixed to the upper end of the chassis (1), a support roller (4) is provided above one end of the mounting frame (5) close to the unwinding shaft (3), and a tensioning assembly (6) is provided on the mounting frame (5); a transition roller (8) is also fixed on the mounting frame (5); a cutting assembly (9) is also fixed above one end of the chassis (1) away from the unwinding bracket (2); The cutting assembly (9) comprises a gantry (91), a cutting cylinder (92) is fixed at the middle position of the top of the gantry (91), a cutting seat (93) is fixed at the end of the cylinder rod of the cutting cylinder (92), and a serrated knife (94) is fixed at the bottom of the cutting seat (93).

2. The woven bag cutting and sewing device according to claim 1, characterized in that: The gantry (91) is fixed on the chassis (1); a shearing seat (95) is correspondingly installed below the serrated knife (94); and the shearing seat (95) is fixed on the chassis (1).

3. The woven bag cutting and sewing device according to claim 1, characterized in that: The tensioning assembly (6) comprises two first adjustment cylinders (61) fixed to the mounting frame (5), and the cylinder rod ends of the two first adjustment cylinders (61) are mounted with first tensioning rollers (62) via seat bearings; It also includes two second adjustment cylinders (63) fixed to the hanging plate (65); the cylinder rod ends of the two second adjustment cylinders (63) are installed with second tensioning rollers (64) through seat bearings.

4. The woven bag cutting and sewing device according to claim 3, characterized in that: The upper end of the hanging plate (65) is fixed to the cylinder rod of the linear cylinder (66); the linear cylinder (66) is fixed to the top of the mounting frame (5).

5. The woven bag cutting and sewing device according to claim 1, characterized in that: The seam assembly (7) comprises a support frame (71), a crossbeam (72) is provided on the top of the support frame (71), and a sliding frame (75) is slidably connected to the outer side of the crossbeam (72); a seam machine (76) is installed on the sliding frame (75).

6. The woven bag cutting and sewing device according to claim 5, characterized in that: The upper end of the sliding frame (75) is provided with a threaded hole and is threadedly connected to the screw rod (74); both ends of the screw rod (74) are installed on the support frame (71) through seat bearings, and one end thereof is matched with a screw motor (73).

7. The woven bag cutting and sewing device according to claim 1, characterized in that: Three transition rollers (8) are provided, and the other two are respectively fixed on the chassis (1) on both sides of the slot assembly (7); a controller (10) is provided on one side of the chassis (1).

Citation Information

Patent Citations

  • Woven bag cutting machine

    CN219385769U