Automatic thread trimming device for garment sewing

Abstract

The utility model relates to the technical field of garment sewing processing, in particular to an automatic thread trimming device for garment sewing, which is provided with adaptable thread clamping structures at the upper part and the lower part, so that the thread can be stably trimmed, and the practicability is improved; comprising a horizontal transverse moving frame, sliding blocks, a hinged frame, a hinged shaft, a hinged block, a shearing movable frame, a movable sleeve, a restraining shaft, a shear body, a connecting frame, a spring and a clamping plate, the inner side of the horizontal transverse moving frame is slidably connected with the outer sides of the two sets of sliding blocks, and a reciprocating driving mechanism is arranged between the horizontal transverse moving frame and the sliding blocks; the middle of the front end of each sliding block is connected with the rear side of the corresponding hinge frame, the inner side of the middle of each shearing movable frame is connected with the outer side of the corresponding movable sleeve, restraint shafts are movably arranged on the inner sides of the two movable sleeves, and the inner sides of the front portions of the two shearing movable frames are connected with the corresponding shearing bodies. The upper side and the lower side of the front end of each sliding block are connected with the rear side of a connecting frame, and the front portions of the inner sides of the connecting frames are connected with the middles of the outer sides of the clamping plates through springs.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of clothing sewing processing, specifically to a clothing sewing automatic thread trimming device. BACKGROUND

[0002] Clothes need to be cut after sewing, and the existing patent No. CN218263063U clothing sewing automatic thread trimmer is started to rotate the cutting motor, which further drives the bidirectional threaded rod to rotate, and the bidirectional threaded rod further drives the first nut block at the two ends to move towards each other in the second sliding groove, further drives the second connecting block to move towards each other in the third sliding groove, further drives the two sliding plates to move towards each other, further drives the first fixed plate and the second fixed plate to move towards each other, further drives the first cutting connecting rod and the second cutting connecting rod to rotate around the third fixed column and the second fixed column respectively and move towards each other, further makes the first rotary ring and the second rotary ring rotate around the first fixed column, further drives the first scissors body and the second scissors body to cut thread, which can realize automatic cutting.

[0003] But because the device lacks positioning of the thread, the thread cutting is unstable and the practicability is poor. INVENTION CONTENTS

[0004] (I) Technical problems solved

[0005] In view of the shortcomings of the prior art, the utility model provides a clothing sewing automatic thread trimming device which is provided with an adaptable thread clamping structure of upper and lower parts, can keep the thread cutting stable, and improves the practicability.

[0006] (II) Technical scheme

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a clothing sewing automatic thread trimming device, comprising horizontal transverse frame, sliding block, hinged frame, hinged shaft, hinged block, cutting movable frame, movable sleeve, constraint shaft, cutting body, connecting frame, spring and clamping plate, the inner side of the horizontal transverse frame is slidably connected with the outer side of two groups of sliding blocks, and a reciprocating drive mechanism is arranged between the horizontal transverse frame and the sliding blocks, the front end of each group of sliding blocks is connected with the rear side of one group of hinged frames, the inner side of each group of hinged frames is movably connected with the outer side of one group of hinged blocks through one group of hinged shafts, the front side of each group of hinged blocks is connected with the rear side of one group of cutting movable frames, the inner side of each group of cutting movable frames is movably connected with the outer side of one group of movable sleeves, the inner side of two groups of movable sleeves is movably provided with a constraint shaft, the front inner side of each group of cutting movable frames is connected with one group of cutting bodies, the front end of each group of sliding blocks is connected with the rear side of one group of connecting frames, and the inner side of the connecting frame is connected with the outer side of the clamping plate through the spring.

[0008] Preferably, the reciprocating drive mechanism comprises a reciprocating drive motor, a bidirectional screw rod and a threaded sleeve, the right side of the horizontal transverse frame is connected with the inner side of the reciprocating drive motor, the output end of the reciprocating drive motor is connected with the right end of the bidirectional screw rod, the bidirectional screw rod is rotationally connected in the horizontal transverse frame, the inner sides of the two groups of sliding blocks are respectively connected with the outer sides of a group of threaded sleeves, and the inner wall of the threaded sleeve is screw-connected with the outer wall of the bidirectional screw rod.

[0009] Preferably, the oil injection nozzle is further arranged, and the outer end of each of the oil injection nozzles is provided with a group of oil injection nozzles, and the output end of the oil injection nozzle is connected with the inner wall of the threaded sleeve.

[0010] Preferably, the oil injection cap is further arranged, and the outer side of the oil injection nozzle is detachably mounted with the inner side of the oil injection cap.

[0011] Preferably, the slide pipe and the slide rod are further arranged, the inner side of the spring in each of the connecting frames is connected with the outer side of the slide pipe, the inner wall of the slide pipe is slidingly connected with the outer wall of the slide rod, and the inner side of the slide rod is connected with the inner side of the spring of the clamping plate.

[0012] Preferably, the anti-skid lines are further arranged, and the inner side of each of the clamping plates is provided with a group of anti-skid lines.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the automatic thread cutting device for garment sewing has the following beneficial effects:

[0015] When cutting the thread, the two groups of sliding blocks are synchronously moved inwards under the action of the reciprocating drive mechanism, the hinged blocks are constrained to move under the constraint of the hinge shafts in the two lateral hinge frames, the two groups of shearing movable frames are constrained to move under the constraint of the two groups of movable sleeves in the middle part, the turning over is realized, the two lateral connecting frames move inwards, the clamping plates are connected inwards under the spring, until the thread is clamped on both sides, and when the sliding blocks continue to move inwards, the spring is contracted and deformed, the clamping effect of the clamping plate on the thread is maintained, until the two groups of shearing movable frames drive the shearing body to move and cut the thread, the adaptive thread clamping structure of the upper and lower parts is arranged, the cutting stability of the thread is maintained, and the practicability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a front view of the utility model; Figure 1

[0018] It is an upper view of the utility model; Figure 3 Figure 1 It is a left view of the utility model.

[0019] Figure 4 Figure 1 It is a left view of the utility model. ​​

[0020] In the drawings: 1, horizontal transverse frame; 2, sliding block; 3, hinged frame; 4, hinged shaft; 5, hinged block; 6, shearing movable frame; 7, movable sleeve; 8, constraint shaft; 9, shearing body; 10, connecting frame; 11, spring; 12, clamping plate; 13, reciprocating drive motor; 14, bidirectional screw; 15, threaded sleeve; 16, oil injection nozzle; 17, oil injection cap; 18, sliding pipe; 19, sliding rod; 20, anti-skid pattern. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] EMBODIMENT

[0023] Please refer to Figures 1-4 A garment sewing automatic thread shearing device comprises a horizontal transverse frame 1, sliding blocks 2, hinged frames 3, hinged shafts 4, hinged blocks 5, shearing movable frames 6, movable sleeves 7, constraint shafts 8, shearing bodies 9, connecting frames 10, springs 11 and clamping plates 12. The inner side of the horizontal transverse frame 1 is slidably connected with the outer sides of two groups of sliding blocks 2, and a reciprocating drive mechanism is arranged between the horizontal transverse frame 1 and the sliding blocks 2. The front end of each group of sliding blocks 2 is connected with the rear side of a group of hinged frames 3. The inner side of each group of hinged frames 3 is movably connected with the middle part of the outer side of a group of hinged blocks 5 through a group of hinged shafts 4. The front side of each group of hinged blocks 5 is connected with the rear side of a group of shearing movable frames 6. The middle inner side of each group of shearing movable frames 6 is connected with the outer side of a group of movable sleeves 7. The inner side of each group of movable sleeves 7 is movably provided with a constraint shaft 8. The front inner side of each group of shearing movable frames 6 is connected with a group of shearing bodies 9. The upper and lower sides of the front end of each group of sliding blocks 2 are connected with the rear side of a group of connecting frames 10. The inner side of the connecting frame 10 is connected with the middle part of the outer side of the clamping plate 12 through the spring 11. When shearing the thread, the two groups of sliding blocks 2 are synchronously moved inwards by the reciprocating drive mechanism. The hinged blocks 5 are movably constrained by the inner hinged shafts 4 of the hinged frames 3 on both sides. The two groups of shearing movable frames 6 are movably constrained by the constraint shafts 8 through the two groups of movable sleeves 7 in the middle. The connecting frames 10 on both sides are movably inward. The clamping plate 12 is inwardly connected by the spring 11. Until the thread is clamped on both sides, the spring 11 is contracted and deformed. The clamping effect of the clamping plate 12 on the thread is maintained. Until the shearing of the thread is completed by the shearing movable frames 6 and the shearing bodies 9.

[0024] The reciprocating drive mechanism comprises a reciprocating drive motor 13, a bidirectional screw rod 14 and a threaded sleeve 15. The right side of the horizontal transverse frame 1 is connected to the inner side of the reciprocating drive motor 13. The output end of the reciprocating drive motor 13 is connected to the right end of the bidirectional screw rod 14. The bidirectional screw rod 14 is rotatably connected inside the horizontal transverse frame 1. The inner sides of the two groups of sliding blocks 2 are respectively connected to the outer sides of a group of threaded sleeves 15. The inner wall of the threaded sleeve 15 is screw-connected with the outer wall of the bidirectional screw rod 14. When the reciprocating drive motor 13 operates, the bidirectional screw rod 14 rotates. The bidirectional screw rod 14 is screw-connected with the two groups of threaded sleeves 15, so that the sliding blocks 2 are driven by the threaded sleeves 15 to slide inward or outward correspondingly.

[0025] The oil injection nozzle 16 is also included. Each group of sliding blocks 2 is provided with a group of oil injection nozzles 16 on the outer end of the front side. The output end of the oil injection nozzle 16 is connected to the inner wall of the threaded sleeve 15. The oil injection nozzle 16 can be used to inject oil into the inner wall of the threaded sleeve 15, which is convenient for lubrication and maintenance.

[0026] The oil injection cap 17 is also included. The outer side of the oil injection nozzle 16 is detachably installed with the inner side of the oil injection cap 17. After the oil injection cap 17 is installed outside the oil injection nozzle 16, the inside of the oil injection nozzle 16 can be closed and protected, improving the reliability.

[0027] The slide pipe 18 and the slide rod 19 are also included. The inner part of the spring 11 inside each group of connecting frames 10 is connected to the outer side of the slide pipe 18. The inner wall of the slide pipe 18 is slidably connected with the outer wall of the slide rod 19. The inner side of the slide rod 19 is connected to the inner part of the spring 11 outside the clamping plate 12. The slide pipe 18 and the slide rod 19 can be used to horizontally connect the clamping plate 12 to prevent falling. The slide pipe 18 and the slide rod 19 can be used to slide and constrain the transverse movement of the clamping plate 12, improving the stability.

[0028] The anti-skid pattern 20 is also included. Each group of clamping plates 12 is provided with a group of anti-skid patterns 20 on the inner side. The anti-skid pattern 20 can be used for line contact on the inner side of the clamping plate 12, avoiding slipping and improving the reliability.

[0029] In summary, when the automatic thread trimming device for clothing sewing is in use, when trimming the thread, the reciprocating driving motor 13 is often operated to rotate the bidirectional screw rod 14, the bidirectional screw rod 14 is screwed with the two sets of threaded sleeves 15 to drive the sliding block 2 to move inward correspondingly, the hinged block 5 is constrained to move by the hinged shaft 4 in the two sides of the hinged frame 3, the two sets of shearing movable frames 6 are constrained to move by the constraint shaft 8 through the two sets of movable sleeves 7 in the middle part, the turning is realized, at the same time, the connecting frame 10 on the two sides moves inward, the spring 11 connects the clamping plate 12 to move inward, until the anti-skid lines 20 contact the thread on the two sides to clamp, when the sliding block 2 continues to move inward, the spring 11 is contracted and deformed, the clamping plate 12 moves transversely by sliding through the sliding pipe 18 and the sliding rod 19, the clamping effect of the clamping plate 12 on the thread is maintained, until the two sets of shearing movable frames 6 drive the shearing body 9 to move to trim the thread, in addition, the oil injection nozzle 16 can inject oil into the inner wall of the threaded sleeve 15, which is convenient for lubrication and maintenance, after the oil injection cap 17 is installed outside the oil injection nozzle 16, the inside of the oil injection nozzle 16 can be closed and protected.

[0030] The reciprocating driving motor 13 is a commonly known device in the art, which is directly purchased on the market, here we only use it, and do not improve its structure and function, we will not go into details here.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic thread trimming device for sewing clothing, characterized in that: The invention comprises a horizontal transverse frame (1), a slider (2), an articulated frame (3), an articulated shaft (4), an articulated block (5), a shearing movable frame (6), a movable sleeve (7), a constraint shaft (8), a shear body (9), a connecting frame (10), a spring (11) and a clamping plate (12), wherein the inner side of the horizontal transverse frame (1) is slidably connected to the outer sides of the two sets of sliders (2), and a reciprocating drive mechanism is provided between the horizontal transverse frame (1) and the sliders (2), the middle part of the front end of each set of sliders (2) is respectively connected to the rear side of a set of articulated frames (3), and the inner side of each set of articulated frames (3) is respectively connected to a set of articulated shafts (4 ) is movably connected to the middle of the outer side of a group of hinge blocks (5), the front side of each group of hinge blocks (5) is respectively connected to the rear side of a group of shear movable frames (6), the inner side of the middle part of each group of shear movable frames (6) is respectively connected to the outer side of a group of movable sleeves (7), the inner sides of the two groups of movable sleeves (7) are movably provided with a constraint shaft (8), the inner sides of the front parts of the two groups of shear movable frames (6) are respectively connected to a group of shear bodies (9), the upper and lower sides of the front end of each group of sliders (2) are respectively connected to the rear side of a group of connecting frames (10), and the inner front part of the connecting frame (10) is connected to the middle of the outer side of the clamping plate (12) via a spring (11).

2. The automatic thread trimming device for sewing garments according to claim 1, characterized in that: The reciprocating drive mechanism includes a reciprocating drive motor (13), a bidirectional screw (14) and a threaded sleeve (15); the right side of the horizontal transverse frame (1) is connected to the inner side of the reciprocating drive motor (13); the output end of the reciprocating drive motor (13) is connected to the right end of the bidirectional screw (14); the bidirectional screw (14) is rotatably connected to the inside of the horizontal transverse frame (1); the inner sides of the two groups of sliders (2) are respectively connected to the outer sides of a group of threaded sleeves (15); and the inner wall of the threaded sleeve (15) is screwed to the outer wall of the bidirectional screw (14).

3. The automatic thread trimming device for sewing garments according to claim 2, characterized in that: It also includes an oiling nozzle (16), and each group of the sliders (2) is provided with a group of oiling nozzles (16) on the front side of the outer end, and the output end of the oiling nozzle (16) is connected to the inner wall of the threaded sleeve (15).

4. The automatic thread trimming device for sewing garments according to claim 3, characterized in that: It also includes an oil filling cap (17), and the outer side of the oil filling nozzle (16) and the inner side of the oil filling cap (17) are detachably mounted.

5. The automatic thread trimming device for sewing garments according to claim 1, characterized in that: It also includes a sliding tube (18) and a sliding rod (19), wherein the interior of the spring (11) inside each group of the connecting frame (10) is connected to the outside of the sliding tube (18), the inner wall of the sliding tube (18) is slidably connected to the outer wall of the sliding rod (19), and the inner side of the sliding rod (19) is connected to the interior of the spring (11) outside the clamping plate (12).

6. The automatic thread trimming device for sewing garments according to claim 1, characterized in that: It also includes anti-slip grooves (20), and each group of the clamping plates (12) is provided with a group of anti-slip grooves (20) on the inner side.

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