Rope cutting device and tape embroidery machine

By designing a rope-cutting device including push-pull cylinder, scissor pull rod and scissor opening and closing structure, and combining the rope-cutting advance and retreat mechanism and the rotation mechanism, the problem of inconvenient automatic operation of silk rope-cutting in the existing belt embroidery machine is solved, and the problem of automatic operation of silk rope-cutting in the existing belt embroidery machine is realized. Automatic wire rope hooking and cutting, and avoid interference to the embroidery process.

CN114232235BActive Publication Date: 2025-02-14ZHEJIANG XINSHENG SEWING EQUIP
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202111563603.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-12-20
Publication Date
2025-02-14
Estimated Expiration
2041-12-20

AI Technical Summary

Technical Problem

The existing coil-ribbon embroidery machine has a large size, which leads to inconvenient automation of the rope cutting of the wire rope. A new rope cutting structure is needed to solve this problem.

Method used

A rope cutting device including a push-pull cylinder, a scissor pull rod and a scissor opening and closing structure is designed, and by providing a rope cutting advance and retreat mechanism and a rope cutting rotation mechanism, it can avoid the disk belt and move to the wire rope conduit during the rope cutting process. Below, hook and cut the wire rope.

Benefits of technology

It realizes avoiding the tray and tray during the rope cutting process, automatically completing the hooking and cutting of the wire rope, replacing the manual cutting process, and retracting and resetting after the operation is completed, avoiding interference with the embroidery process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN114232235B_ABST
    Figure CN114232235B_ABST
Patent Text Reader

Abstract

The present invention provides a rope cutting device and a tape embroidery machine, which belong to the field of mechanical technology. The rope cutting device includes a rope cutting mechanism, which includes a push-pull cylinder, a scissor pull rod and a scissor opening and closing structure. The rear end of the scissor pull rod is connected to the push rod of the push-pull cylinder, and the scissor opening and closing structure is connected to the front end of the scissor pull rod. The bottom guide rail is fixedly connected to the bottom surface of the bottom bracket of the beam, and the bottom guide rail is slidably connected with a guide rail slider. The screw motor is fixedly connected to the bottom bracket of the beam, and the nut is connected to the screw shaft of the screw motor, and the nut is fixedly connected to the nut mounting seat, and the nut mounting seat is fixedly connected to the guide rail slider. The closed-loop drive motor and the rope cutting shaft are connected through a pulley drive structure, and the scissor pull rod is slidably inserted in the rope cutting shaft. It can avoid the tape reel of the tape embroidery machine during the rope cutting process and move to the bottom of the wire rope guide tube to hook and pull the wire rope and cut it. At the same time, it can automatically reset to avoid interfering with the embroidery process.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention belongs to the technical field of machinery and relates to a coiling embroidery machine, in particular to a rope cutting device and a coiling embroidery machine. Background Art

[0002] With the development of industry, existing manufacturers will use embroidery machines to embroider patterns of different colors on fabrics to form embroidery products. Such embroidery machines generally include a main frame, a presser foot mechanism for pressing the embroidery products, a needle bar mechanism for embroidering silk ropes on the embroidery products, and a winding mechanism for outputting the silk ropes to the needle bar mechanism. The existing winding mechanism includes a relatively large winding reel, which brings inconvenience to the automatic rope cutting operation of the silk rope. Therefore, a new rope cutting structure is urgently needed to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to solve the above problems in the prior art and to provide a rope cutting device and a tape coiling embroidery machine.

[0004] The object of the present invention can be achieved through the following technical solutions: a rope cutting device, including a rope cutting mechanism, characterized in that the rope cutting mechanism includes a push-pull cylinder, a scissors pull rod and a scissors opening and closing structure, the rear end of the scissors pull rod is connected to the push rod of the push-pull cylinder, and the scissors opening and closing structure is connected to the front end of the scissors pull rod, the rope cutting device includes a beam bottom bracket, a rope cutting advance and retreat mechanism and a rope cutting rotation mechanism, the rope cutting advance and retreat mechanism includes a beam bottom guide rail, a screw motor and a nut, the beam bottom guide rail is fixedly connected to the bottom surface of the beam bottom bracket, and a guide rail slider is slidably connected to the beam bottom guide rail, the screw motor is fixedly connected to the beam bottom bracket, the nut is connected to the screw shaft of the screw motor, and the nut is fixedly connected to the nut mounting seat, the nut mounting seat is fixedly connected to the guide rail slider, the rope cutting rotation mechanism includes a closed-loop drive motor and a rope cutting rotating shaft, the closed-loop drive motor and the rope cutting rotating shaft are connected by a pulley drive structure, and the scissors pull rod is slidably inserted in the rope cutting rotating shaft.

[0005] In the above-mentioned rope cutting device, the scissors opening and closing structure includes a scissors base plate, a stationary knife, and a movable knife. The stationary knife is fixedly connected to the scissors base plate, the movable knife is slidably connected to the scissors base plate, and the movable knife is connected to the scissors pull rod through a scissors connecting rod.

[0006] In the above-mentioned rope cutting device, the front end of the movable knife has a barb, the scissors base plate is made into a groove shape, and the front end of the scissors base plate has a notch, the movable knife is slidably connected in the groove of the scissors base plate, and the movable knife is located between the static knife and the bottom surface of the groove of the scissors base plate.

[0007] In the above-mentioned rope-cutting device, a scissors cover plate formed in a groove shape is fixedly connected to the scissors bottom plate, the movable knife is located between the scissors bottom plate and the scissors cover plate, and both side walls of the scissors cover plate are provided with cover plate slide grooves, a rope-cutting connecting rod pin 1 is vertically inserted through the rear end of the movable knife, and the rope-cutting connecting rod pin 1 is slidably connected in the cover plate slide groove, a rope-cutting connecting rod pin 2 is vertically inserted through the front end of the scissors pull rod, a rotating shaft slide groove is provided on the front end wall surface of the rope-cutting rotating shaft, and the rope-cutting connecting rod pin 2 is slidably connected in the rotating shaft slide groove, and the two ends of the scissors connecting rod are respectively connected to the rope-cutting connecting rod pin 1 and the rope-cutting connecting rod pin 2.

[0008] In the above-mentioned rope-cutting device, a scissors moving mechanism is connected to the scissors opening and closing structure, and the scissors moving mechanism includes a scissors link bracket one, a scissors link bracket two, a rope-cutting link one, a rope-cutting link two, a rope-cutting link three and a rope-cutting moving cylinder. The scissors link bracket one is fixedly connected to the scissors cover plate, the scissors link bracket two is fixedly connected to the rope-cutting rotating shaft, one end of the rope-cutting link three is hinged to the middle part of the rope-cutting link one, and the other end is hinged to the middle part of the rope-cutting link two, the rope-cutting moving cylinder is hinged to the side wall of the rope-cutting rotating shaft, and a pusher head connecting piece is fixedly connected to the cylinder top rod of the rope-cutting moving cylinder, and the pusher head connecting piece is hinged to the hinge shafts of the rope-cutting links three and the rope-cutting links two.

[0009] In the above-mentioned rope-cutting device, the middle part of the scissors link is hinged to the middle part of the rope-cutting link three, and the two ends of the scissors link are respectively provided with a link slide groove 1 and a link slide groove 2, a rope-cutting link pin 1 is inserted into the front end of the scissors pull rod, and the rope-cutting link pin 1 is slidably connected in the link slide groove 1, and a rope-cutting link pin 2 is inserted into the rear end of the movable knife, and the rope-cutting link pin 2 is slidably connected in the link slide groove 2.

[0010] In the above-mentioned rope cutting device, there are two scissor links, which are arranged in pairs on both sides of the scissor moving mechanism, and the ends of the two scissor links are respectively connected to the two ends of the rope cutting link pin 1 and the rope cutting link pin 2.

[0011] In the above-mentioned rope cutting device, a guide rail slider mounting bracket is also fixedly connected between the nut mounting seat and the guide rail slider, the rope cutting shaft is inserted into the guide rail slider mounting bracket through a bearing, and the closed-loop drive motor is fixedly connected to the guide rail slider mounting bracket.

[0012] In the above-mentioned rope cutting device, a cylinder mounting seat is fixedly connected to the guide rail slider mounting bracket, and the push-pull cylinder is fixedly connected to the cylinder mounting seat.

[0013] In the above-mentioned rope cutting device, the rear end of the scissors pull rod is fixedly connected with a pull rod nut, the front end of the push rod is fixedly connected with a nut connector, and the nut connector has a slot for connecting the pull rod nut.

[0014] The present invention also provides a tape embroidery machine, comprising a tape reel, a silk cord guide tube and the above-mentioned cord cutting device.

[0015] Compared with the prior art, the present invention provides a rope cutting advance and retreat mechanism and a rope cutting rotation mechanism, which can not only avoid the winding reel of the winding embroidery machine and move to the bottom of the silk rope guide tube during the rope cutting process to hook and cut the silk rope, but also can replace other processes that require manual cutting, such as cutting the tape and cutting the surface thread; at the same time, it can retract and reset after the rope cutting operation is completed to avoid interference with the winding embroidery process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a structural schematic diagram of a tape embroidery machine with a rope cutting device.

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the rope cutting device.

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the rope cutting device from another angle.

[0019] Figure 4 It is a top view of the rope cutting device.

[0020] Figure 5 It is a structural schematic diagram of the rope cutting advance and retreat mechanism and the rope cutting rotation mechanism in the rope cutting device.

[0021] Figure 6 It is a structural schematic diagram of the scissors opening and closing structure in the rope cutting device.

[0022] In the figure, 1, beam bottom bracket; 2, push-pull cylinder; 3, push rod; 4, scissors pull rod; 5, beam bottom guide rail; 6, screw motor; 7, nut; 8, guide rail slider; 9, screw shaft; 10, nut mounting seat; 11, closed-loop drive motor; 12, rope shear shaft; 13, pulley drive structure; 14, scissors bottom plate; 1401, notch; 15, static knife; 16, moving knife; 1601, barb; 17, scissors connecting rod; 1701, connecting rod slide slot 1; 1702, connecting rod slide slot 2; 18, scissors cover plate; 1801, cover plate slide slot ;19. Rope shear connecting rod pin one;20. Rope shear connecting rod pin two;21. Scissors connecting rod bracket one;22. Scissors connecting rod bracket two;23. Rope shear connecting rod one;24. Rope shear connecting rod two;25. Rope shear connecting rod three;26. Rope shear moving cylinder;27. Cylinder push rod;28. Push head connecting plate;29. Articulated shaft;30. Guide rail slider mounting bracket;31. Bearing;32. Cylinder mounting seat;33. Pull rod nut;34. Nut connector;3401. Slot;35. Screw motor mounting seat;36. Wire rope guide tube;37. Reel reel. DETAILED DESCRIPTION

[0023] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0024] Take Example 1.

[0025] Reference Figure 2-Figure 6 The present embodiment is a rope cutting device, comprising a rope cutting mechanism, a rope cutting forward and backward mechanism, a rope cutting rotating mechanism and a beam bottom bracket 1 fixedly connected to a frame. The rope cutting mechanism comprises a push-pull cylinder 2, a scissor pull rod 4 and a scissor opening and closing structure. The rear end of the scissor pull rod 4 is connected to the push rod 3 of the push-pull cylinder 2. The scissor opening and closing structure is connected to the front end of the scissor pull rod 4. Specifically, the rear end of the scissor pull rod 4 is fixedly connected with a pull rod nut 33, and the front end of the push rod 3 is fixedly connected with a nut connector 34. The nut connector 34 has a slot 3401 for connecting the pull rod nut 33. The scissor opening and closing structure comprises a scissor bottom plate 14, a stationary knife 15 and a movable knife 16. The stationary knife 15 is fixedly connected to the scissor bottom plate 14, and the movable knife 16 is slidably connected to the scissor bottom plate 14. The movable knife 16 is connected to the scissor pull rod 4 through a scissor connecting rod 17. The rope shearing advance and retreat mechanism includes a beam bottom guide rail 5, a screw motor 6 and a nut 7. The beam bottom guide rail 5 is fixedly connected to the bottom surface of the beam bottom bracket 1, and a guide rail slider 8 is slidably connected to the beam bottom guide rail 5. The rear end of the beam bottom bracket 1 is fixedly connected to a screw motor mounting seat 35. The screw motor 6 is fixedly connected to the screw motor mounting seat 35. The nut 7 is connected to the screw shaft 9 of the screw motor 6, and the nut 7 is fixedly connected to the nut mounting seat 10. The nut mounting seat 10 is fixedly connected to the guide rail slider 8. The rope shearing rotation mechanism includes a closed-loop drive motor 11 and a rope shearing shaft 12. The closed-loop drive motor 11 and the rope shearing shaft 12 are connected by a pulley drive structure 13. The scissors pull rod 4 is slidably inserted into the rope shearing shaft 12.

[0026] Furthermore, the front end of the movable knife 16 has a barb 1601, the scissors bottom plate 14 is made into a groove shape, and the front end of the scissors bottom plate 14 has a notch 1401, the movable knife 16 is slidably connected in the groove of the scissors bottom plate 14, and the movable knife 16 is located between the static knife 15 and the bottom surface of the groove of the scissors bottom plate 14; the scissors bottom plate 14 is fixedly connected with a scissors cover plate 18 made into a groove shape, the movable knife 16 is located between the scissors bottom plate 14 and the scissors cover plate 18, and both side walls of the scissors cover plate 18 are provided with The cover plate slide groove 1801, the rear end of the movable knife 16 is vertically inserted with a rope shearing link pin 19, the rope shearing link pin 19 is slidably connected in the cover plate slide groove 1801, the front end of the scissors pull rod 4 is vertically inserted with a rope shearing link pin 20, the front end wall of the rope shearing shaft 12 is provided with a shaft slide groove 1201, the rope shearing link pin 20 is slidably connected in the shaft slide groove 1201, and the two ends of the scissors link 17 are respectively connected to the rope shearing link pin 19 and the rope shearing link pin 20. The scissors opening and closing structure is connected with a scissors moving mechanism, which includes a scissors connecting rod bracket 1 21, a scissors connecting rod bracket 22, a rope shearing connecting rod 1 23, a rope shearing connecting rod 24, a rope shearing connecting rod 3 25 and a rope shearing moving cylinder 26. The scissors connecting rod bracket 1 21 is fixedly connected to the scissors cover plate 18, the scissors connecting rod bracket 22 is fixedly connected to the rope shearing rotating shaft 12, one end of the rope shearing connecting rod 3 25 is hinged to the middle part of the rope shearing connecting rod 1 23, and the other end is hinged to the middle part of the rope shearing connecting rod 24, the rope shearing moving cylinder 26 is hinged to the side wall of the rope shearing rotating shaft 12, and a push head connecting piece 28 is fixedly connected to the cylinder top rod 27 of the rope shearing moving cylinder 26, and the push head connecting piece 28 is hinged to the rope shearing connecting rod 3 2 5 and the hinge shaft 29 of the rope-cutting link 24; the middle part of the scissors link 17 is hinged at the middle part of the rope-cutting link 3 25, and the two ends of the scissors link 17 are respectively provided with a link slide groove 1701 and a link slide groove 2 1702, the front end of the scissors pull rod 4 is interspersed with a rope-cutting link pin 19, and the rope-cutting link pin 19 is slidably connected in the link slide groove 1701, and the rear end of the movable knife 16 is interspersed with a rope-cutting link pin 20, and the rope-cutting link pin 20 is slidably connected in the link slide groove 2 1702; there are two scissors links 17, and they are arranged in pairs on both sides of the scissors moving mechanism, and the ends of the two scissors links 17 are respectively connected to the two ends of the rope-cutting link pin 19 and the rope-cutting link pin 20. When the push rod 3 of the push-pull cylinder 2 moves forward and backward, it can drive the scissors connecting rod 17 to work in conjunction, thereby driving the movable knife 16 to extend and retract relative to the scissors base plate 14 and the scissors cover plate 18, and at the same time cooperate with the static knife 15 and the scissors base plate 14 to realize the cutting operation of the wire rope; the rope-cutting connecting rod pin 19 slidingly inserted in the cover plate slide groove 1801 can slide in the connecting rod slide groove 1701 of the scissors connecting rod 17, and the rope-cutting connecting rod pin 20 slidingly inserted in the rotating shaft slide groove 1201 can slide in the connecting rod slide groove 2 1702 of the scissors connecting rod 17, so that the scissors opening and closing mechanism can move forward and backward under the action of the rope-cutting moving cylinder 26, thereby increasing the position adjustment range of the scissors opening and closing mechanism.

[0027] Furthermore, a guide rail slider mounting bracket 30 is fixedly connected between the nut mounting seat 10 and the guide rail slider 8, the rope cutting shaft 12 is inserted into the guide rail slider mounting bracket 30 through a bearing 31, and the closed-loop drive motor 11 is fixedly connected to the guide rail slider mounting bracket 30; a cylinder mounting seat 32 is fixedly connected to the guide rail slider mounting bracket 30, and the push-pull cylinder is fixedly connected to the cylinder mounting seat 32.

[0028] Embodiment 2:

[0029] Reference Figure 1 The tape embroidery machine includes a tape reel 35, a silk rope guide tube 36 and the rope cutting device described in the first embodiment.

[0030] The workflow of the second embodiment is as follows:

[0031] Step 1: The closed-loop drive motor 11 works, and the motor shaft of the closed-loop drive motor 11 drives the rope shearing shaft 12 to rotate through the pulley drive structure 13, and the rope shearing shaft 12 drives the entire scissors opening and closing structure to rotate;

[0032] Step 2: The push rod 3 of the push-pull cylinder 2 is pulled back, and the movable knife 16 is driven to extend through the scissor connecting rod 17;

[0033] Step 3: Push the top rod of the rope-cutting moving cylinder 26 forward, driving the scissor moving mechanism on the scissor opening and closing structure to move forward, and further adjust the position of the moving knife 16;

[0034] Step 4: The screw motor 6 drives the guide rail slider 8 to move forward, and the guide rail slider 8 drives the push-pull cylinder 2 fixedly connected to the cylinder mounting seat 32 and the entire scissors opening and closing structure to move forward in a coordinated manner through the guide rail slider mounting bracket 30, and the scissors opening and closing structure avoids the tape reel 35 of the embroidery machine and extends to the upper oblique area below the head of the embroidery machine;

[0035] Step 5: The closed-loop drive motor 11 works, and the motor shaft of the closed-loop drive motor 11 drives the rope cutting shaft 12 to rotate through the pulley drive structure 13, and the movable knife 17 rotates to the bottom of the head of the embroidery machine, and the wire rope guide tube 36 of the embroidery machine rotates so that the wire rope is stuck in the barb 1601 of the movable knife 16;

[0036] Step 6: The cylinder push rod 27 of the rope cutting moving cylinder 26 moves backward, driving the scissors opening and closing mechanism to move backward, and the barb 1601 of the movable knife 16 hooks out the silk rope and moves it to the outside of the tape reel 35 of the embroidery machine;

[0037] Step 7: The push rod 3 of the push-pull cylinder 2 moves forward, and the movable knife 16 retracts to complete the rope cutting operation;

[0038] Step eight, the screw motor 6 drives the guide rail slider 8 to move backward, and the guide rail slider 8 drives the push-pull cylinder 2 fixedly connected to the cylinder mounting seat 32 and the entire scissors opening and closing structure to move backward in linkage through the guide rail slider mounting bracket 30. At the same time, the closed-loop drive motor 11 works, and the motor shaft of the closed-loop drive motor 11 drives the rope shearing shaft 12 to rotate and reset through the pulley drive structure 3.

[0039] This embodiment is provided with a rope cutting advance and retreat mechanism and a rope cutting rotation mechanism, so that during the rope cutting process, the rope can be avoided from the tape reel 35 of the tape embroidery machine and moved to the bottom of the wire rope guide tube 36 to hook and cut the wire rope; at the same time, it can retract and reset after the rope cutting operation is completed to avoid interfering with the embroidery process of the embroidery machine.

[0040] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A rope cutting device, comprising a rope cutting mechanism, characterized in that: The rope cutting mechanism comprises a push-pull cylinder (2), a scissor pull rod (4) and a scissor opening and closing structure. The rear end of the scissor pull rod (4) is connected to the push rod (3) of the push-pull cylinder (2). The scissor opening and closing structure is connected to the front end of the scissor pull rod (4). The rope cutting device also comprises a beam bottom bracket (1), a rope cutting advance and retreat mechanism and a rope cutting rotation mechanism. The rope cutting advance and retreat mechanism comprises a beam bottom guide rail (5), a screw motor (6) and a nut (7). The beam bottom guide rail (5) is fixedly connected to the bottom surface of the beam bottom bracket (1). A guide rail slider (8) is slidably connected to the beam bottom guide rail (5). The screw motor (6) is fixedly connected to the beam bottom bracket (1). The nut (7) is connected to the screw shaft (9) of the screw motor (6). The nut (7) is fixedly connected to the nut mounting seat (10), and the nut mounting seat (10) is fixedly connected to the guide rail slider (8). The rope shearing rotating mechanism comprises a closed-loop driving motor (11) and a rope shearing rotating shaft (12). The closed-loop driving motor (11) and the rope shearing rotating shaft (12) are connected via a pulley driving structure (13). The scissors pull rod (4) is slidably inserted into the rope shearing rotating shaft (12). The scissors opening and closing structure comprises a scissors bottom plate (14), a stationary knife (15), and a moving knife (16). The stationary knife (15) is fixedly connected to the scissors bottom plate (14), and the moving knife (16) is slidably connected to the scissors bottom plate (14). The moving knife (16) is connected to the scissors pull rod (4) via a scissors connecting rod (17). A groove-shaped scissor cover plate (18) is fixedly connected to the bottom plate (14); the movable knife (16) is located between the scissor bottom plate (14) and the scissor cover plate (18); both side walls of the scissor cover plate (18) are provided with cover plate sliding grooves (1801); a rope shearing connecting rod pin 1 (19) is vertically inserted through the rear end of the movable knife (16); the rope shearing connecting rod pin 1 (19) is slidably connected in the cover plate sliding groove (1801); a rope shearing connecting rod pin 2 (20) is vertically inserted through the front end of the scissor pull rod (4); a rotating shaft sliding groove (1201) is provided on the front end wall surface of the rope shearing rotating shaft (12); the rope shearing connecting rod pin 2 (20) is slidably connected in the rotating shaft sliding groove (1201); and both ends of the scissor connecting rod (17) are respectively connected to the scissor bottom plate (14); and the movable knife (16) is provided with a rope shearing connecting rod pin 1 (19) which is slidably connected in the cover plate sliding groove (1801). The scissors opening and closing structure is connected to a scissors moving mechanism, the scissors moving mechanism comprising a scissors link bracket one (21), a scissors link bracket two (22), a rope shearing link one (23), a rope shearing link two (24), a rope shearing link three (25) and a rope shearing moving cylinder (26), the scissors link bracket one (21) is fixedly connected to the scissors cover plate (18), the scissors link bracket two (22) is fixedly connected to the rope shearing rotating shaft (12), one end of the rope shearing link three (25) is hinged to the middle part of the rope shearing link one (23), and the other end is hinged to the middle part of the rope shearing link two (24), and the rope shearing moving cylinder (26) is hinged to the side wall of the rope shearing rotating shaft (12).A push head connecting piece (28) is fixedly connected to the cylinder top rod (27) of the rope-cutting moving cylinder (26), and the push head connecting piece (28) is hinged on the hinge shaft (29) of the rope-cutting connecting rod three (25) and the rope-cutting connecting rod two (24). The middle part of the scissor connecting rod (17) is hinged on the middle part of the rope-cutting connecting rod three (25), and the two ends of the scissor connecting rod (17) are respectively provided with a connecting rod sliding groove 1 (1701) and a connecting rod sliding groove 2 (1702). The front end of the scissor pull rod (4) is inserted with a rope-cutting connecting rod pin 1 (19), and the rope-cutting connecting rod pin 1 (19) is slidably connected in the connecting rod sliding groove 1 (1701). A second rope shearing connecting rod pin (20) is inserted into the rear end of the movable knife (16), and the second rope shearing connecting rod pin (20) is slidably connected in the second connecting rod slide groove (1702). A guide rail slider mounting bracket (30) is also fixedly connected between the nut mounting seat (10) and the guide rail slider (8). The rope shearing rotating shaft (12) is inserted into the guide rail slider mounting bracket (30) through a bearing (31). The closed-loop drive motor (11) is fixedly connected to the guide rail slider mounting bracket (30). A cylinder mounting seat (32) is fixedly connected to the guide rail slider mounting bracket (30), and the push-pull cylinder is fixedly connected to the cylinder mounting seat (32).

2. The rope cutting device according to claim 1, characterized in that: The front end of the movable knife (16) has a barb (1601), the scissors bottom plate (14) is formed into a groove shape, and the front end of the scissors bottom plate (14) has a notch (1401), the movable knife (16) is slidably connected in the groove of the scissors bottom plate (14), and the movable knife (16) is located between the stationary knife (15) and the bottom surface of the groove of the scissors bottom plate (14).

3. The rope cutting device according to claim 1 or 2, characterized in that: There are two scissor links (17) which are arranged in pairs on both sides of the scissor moving mechanism, and the ends of the two scissor links (17) are respectively connected to the two ends of the rope shear link pin 1 (19) and the rope shear link pin 2 (20).

4. The rope cutting device according to claim 1 or 2, characterized in that: The rear end of the scissors pull rod (4) is fixedly connected to a pull rod nut (33), and the front end of the push rod (3) is fixedly connected to a nut connector (34), wherein the nut connector (34) has a slot (3401) for connecting the pull rod nut (33).

5. A tape embroidery machine, characterized in that: It comprises a coiling reel (35), a wire rope guide tube (36) and the rope cutting device according to any one of claims 1 to 4.

Citation Information

Patent Citations

  • Multifunctional embroidery machine with thread trimming function

    CN214655695U

  • Rope shearing device and taping embroidery machine

    CN216765283U