阅读说明：本技术 一种缝纫断线自动停止工作设备 (Sewing broken thread automatic stop work equipment ) 是由 张祥菊 于 2021-01-08 设计创作，主要内容包括：本发明涉及缝纫领域,且公开了一种缝纫断线自动停止工作设备,一种缝纫断线自动停止工作设备,支撑柱上端固定连接有卡槽,卡槽内部正后侧固定连接有强力弹簧,强力弹簧远离卡槽内壁的一侧固定连接有强磁铁,卡槽内侧底部固定连接有未满气塑料袋,未满气塑料袋的上端正后两侧固定连接有锡箔片。线圈一线被拉断后,底部线压动未满气塑料袋使其顶部前后两侧的锡箔片顶住卡槽内侧顶部,相斥的两个强磁铁间的磁场被极大削弱,强磁铁在强力弹簧作用下相向而动,绝缘块拉动推杆向前移动,从动轴向后推动,使从动齿盘失去动力,失去动力后圆盘停止转动,移动框和传动带也停转,使得夹紧管和缝纫针不再运动,达到了断线自动停止给针的目的。(The invention relates to the field of sewing, and discloses automatic sewing thread breakage stopping equipment. After a coil line is pulled apart, the bottom line presses the plastic bag which is not full of air to enable tin foils on the front side and the rear side of the top of the plastic bag to prop against the top of the inner side of the clamping groove, a magnetic field between two repellent strong magnets is greatly weakened, the strong magnets move in opposite directions under the action of a strong spring, the insulating block pulls the push rod to move forward, the driven shaft pushes backward, the driven fluted disc loses power, the disc stops rotating after the power is lost, the moving frame and the driving belt also stop rotating, the clamping pipe and the sewing needle do not move any more, and the purpose of automatically stopping the needle when the thread is broken is achieved.)

1. The utility model provides a sewing broken string automatic shutdown equipment, includes base (1), its characterized in that: the upper end of the top of the base (1) is fixedly connected with a base rod (2), the upper end of the base rod (2) is fixedly connected with a workbench (7), the middle part of the upper end of the base (1) leans against one side of the rear to be fixedly connected with a support rod (3), the front upper end of the support rod (3) is rotatably connected with a first rotating shaft (4), the front end of the side surface of the first rotating shaft (4) is rotatably connected with a first coil (5), the first coil (5) is rotatably connected with a bottom line (30), the middle part of the side surface of the first rotating shaft (4) is fixedly connected with a swing shuttle (6), the upper end of the workbench (7) is fixedly connected with an L-shaped rod (8), the upper ends of the two sides of the L-shaped rod (8) are rotatably connected with a second coil (9) through a through hole, the rear side of the top of the workbench (7), the movable frame is characterized in that a connecting rod (12) is fixedly connected to the front end of the movable frame (11), a clamping pipe (29) is fixedly connected to the front end of the connecting rod (12), a sewing needle (28) is sleeved on the lower end of the clamping pipe (29), the movable frame (11) is connected with a short rod (13) through a through groove sliding mode arranged on the right side of the front side, a disc (14) is fixedly connected to the front end of the short rod (13), a transmission belt (31) is rotatably connected to the outer side of the disc (14), a second rotating shaft (15) is fixedly connected to the front circle center of the disc (14), a convex block (16) is fixedly connected to the upper end and the lower end of the second rotating shaft (15), a driven shaft (18) is slidably connected to the front portion of the side of the second rotating shaft (15), a bearing (17) is fixedly connected to the rear end of the side of, the power fluted disc (20) is fixedly connected with a power shaft (21) in the front, a rear side of a driven fluted disc (19) at the upper end of the workbench (7) is fixedly connected with a supporting seat (22), a left side of the upper end of the workbench (7) is fixedly connected with a broken line rod (26), a front side of the broken line rod (26) at the upper end of the workbench (7) is fixedly connected with a fixed seat (23), the fixed seat (23) is rotatably connected with a rotating rod (24) through a left round rod of the fixed seat, an upper end of the rotating rod (24) is fixedly connected with a U-shaped frame (25), a lower end of the rotating rod (24) is rotatably connected with a push rod (38), a left side of the upper end of the base (1) is fixedly connected with a supporting column (27), an upper end of the supporting column (27) is fixedly connected with a clamping groove (32), a rear side of the inside of the clamping groove (, the bottom of the inner side of the clamping groove (32) is fixedly connected with a less-than-gas plastic bag (33), tin foil pieces (34) are fixedly connected to the two sides of the lower end of the less-than-gas plastic bag (33) right behind, and an insulating block (37) is fixedly connected to the left end of a strong magnet (36) on the rear side of the clamping groove (32).

2. The automatic stop work apparatus for sewing thread breakage according to claim 1, characterized in that: the driven shaft (18) penetrates through the supporting seat (22) and is connected with the supporting seat in a rotating mode.

3. The automatic stop work apparatus for sewing thread breakage according to claim 1, characterized in that: the driven shaft (18) is connected with the second rotating shaft (15) in a sliding mode through a sliding groove formed in the rear side of the driven shaft.

4. The automatic stop work apparatus for sewing thread breakage according to claim 1, characterized in that: the inner part of the right side of the transmission belt (31) is in sliding connection with the rear side of the side face of the first rotating shaft (4).

5. The automatic stop work apparatus for sewing thread breakage according to claim 1, characterized in that: the second rotating shaft (15) penetrates through the cross rod of the broken line rod (26).

6. The automatic stop work apparatus for sewing thread breakage according to claim 1, characterized in that: the bearing (17) is rotatably connected with a U-shaped frame (25) through rods fixedly connected with the two sides of the bearing.

7. The automatic stop work apparatus for sewing thread breakage according to claim 1, characterized in that: and the wire of the coil I (9) is sleeved with a fixed pipe at the lower end of the right side of the clamping pipe (29).

Technical Field

The invention relates to the technical field of sewing, in particular to automatic stopping equipment for sewing broken threads.

Background

The sewing is an important technology in the industrial field, but in the sewing process, thread breakage is a high-occurrence-rate matter, numerical control equipment is mostly adopted in the existing automatic sewing, the price is high, and detection equipment after the thread breakage of an automatic sewing machine is also high.

When the automatic sewing machine works, the needle head drives the thread to prick into the cloth, when the harder cloth of some materials is met, the thread is easily pulled when the needle returns, the thread is broken, some machines still work after the thread is broken, the cloth is damaged, and the financial resources are consumed when the thread is broken.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides automatic stop working equipment for sewing broken threads, which has the advantages of automatic sewing and automatic stop of broken threads for needle feeding and solves the problem of filling defects.

(II) technical scheme

In order to realize the purpose of automatically sewing and automatically stopping the needle when the thread is broken, the invention provides the following technical scheme: an automatic stop working device for sewing thread breakage comprises a base, wherein a base rod is fixedly connected to the upper end of the top of the base, a workbench is fixedly connected to the upper end of the base rod, a supporting rod is fixedly connected to the middle portion of the upper end of the base, the rear side of the middle portion of the upper end of the base is fixedly connected to the front end of the front side of the supporting rod, a first coil is rotatably connected to the front end of one side of the rotating shaft, a first bottom thread is rotatably connected to the first coil, a swing shuttle is fixedly connected to the middle portion of one side of the rotating shaft, an L-shaped rod is fixedly connected to the upper end of the workbench, the upper ends of the two sides of the L-shaped rod are rotatably connected to a second coil through holes, an air cylinder is fixedly connected to the rear side of the top of the workbench, a moving frame is fixedly connected, the movable frame is connected with a short rod through a through groove arranged on the right side of the front side in a sliding manner, the front side of the short rod is fixedly connected with a disc, the outer side of the disc is connected with a transmission belt in a rotating manner, the center of the front side of the disc is fixedly connected with a rotating shaft II, the upper end and the lower end of the rotating shaft II are fixedly connected with a lug, the front part of the two sides of the rotating shaft is connected with a driven shaft in a sliding manner, the rear end of the side surface of the driven shaft is fixedly connected with a bearing, the front side of the driven shaft is fixedly connected with a driven fluted disc, the front side of the driven fluted disc is meshed with a power fluted disc, the front side of the power fluted disc is fixedly connected with a power shaft, the rear side of the driven fluted disc at the upper end of the workbench is fixedly, the utility model discloses a plastic bag, including a base, a rotating rod, a base, a clamping groove, a strong spring, the strong spring of draw-in groove inside positive rear side fixedly connected with, the strong spring keeps away from one side fixedly connected with strong magnet of draw-in groove inner wall, the inboard bottom fixedly connected with of draw-in groove is not full of gas plastic bag, both sides fixedly connected with tinfoil piece behind the upper end of not full of gas plastic bag, the left end fixedly connected with collets of the strong magnet of draw-in groove rear side.

Preferably, the driven shaft penetrates through the supporting seat and is connected with the supporting seat in a rotating mode, and the rear side of the side face of the driven shaft is fixedly connected with the inside of the bearing.

Preferably, the driven shaft is in sliding connection with the second rotating shaft through a sliding groove formed in the rear side of the driven shaft, and the driven shaft is clamped with the protruding block through small grooves in the upper portion and the lower portion of the sliding groove.

Preferably, the inner part of the right side of the transmission belt is in sliding connection with the rear side of one side face of the rotating shaft, and the transmission belt is located on the rear side of the shuttle hook.

Preferably, the second rotating shaft penetrates through the cross rod of the broken line rod, and the cross rod of the broken line rod is rotatably connected with the second rotating shaft through a through hole formed in the front face of the cross rod.

Preferably, the bearing is rotatably connected with a U-shaped frame through a rod fixedly connected with two sides of the bearing, and the front surface of the push rod rotatably connected with the U-shaped frame through a lower rotating rod is fixedly connected with the back surface of the insulating block.

Preferably, the thread of the first coil is sleeved with a fixed pipe at the lower end of the right side of the clamping pipe, and the sewing needle is sleeved with the thread of the first coil through a through hole formed in the lower end of the front side.

(III) advantageous effects

Compared with the prior art, the invention provides automatic stop working equipment for sewing thread breakage, which has the following beneficial effects:

1. the automatic thread breakage stopping working equipment for sewing is characterized in that cloth is placed on a workbench, two ends of the workbench drive the cloth to continuously move, when a power shaft rotates, the power fluted disc drives a driven fluted disc to rotate, the driven fluted disc rotates to drive a driven shaft to rotate, the driven shaft is connected with a lug in a clamping way to drive the driven shaft and a rotating shaft to rotate, the rotating shaft drives a disc to rotate, the disc rotates to drive a rotating shaft to rotate, the rotating shaft drives a swing shuttle to rotate, the disc rotates to drive a short rod on the back of the disc to rotate, the short rod rotates to drive a moving frame to move up and down, an air cylinder is in sliding connection with a lower side rod of the moving frame to play a horizontal fixing role on the moving frame, the moving frame drives a clamping pipe to move through a connecting rod, the clamping pipe drives a sewing needle to move up and down, the sewing needle drives a thread of a second coil to prick the cloth, the swing shuttle rotates, when the hook part of the shuttle hook rotates to the lower side, the thread is separated and crossed with the bottom thread, at the moment, the sewing needle ascends, the cloth continuously translates leftwards along with the transmission mechanism to pull the bottom thread, and the bottom thread drives the thread of the first coil to cross into the cloth, so that the aim of automatic sewing is fulfilled.

2. The sewing broken thread automatic stop working equipment has the advantages that after a thread of a coil I is pulled to be broken when rising, the bottom thread which is originally vertically straightened by the thread I does not have restraint in the vertical direction, the bottom thread moves left along with the cloth, the angle formed by the bottom thread and the coil I is larger and larger, when the angle is larger than a certain value, the bottom thread presses the middle of the top of a plastic bag which is not full of air, the front side and the rear side of the top of the plastic bag are expanded, tin foil pieces on the front side and the rear side rise and prop against the top on the inner side of a clamping groove, the magnetic field between two originally repulsive strong magnets is greatly weakened, the strong magnets with weakened magnetic field move oppositely under the action of a strong spring, the push rod on the rear side is pulled to move forwards by an insulating block, the push rod pulls a rotating rod, a bearing and a driven shaft are pushed backwards by a U-shaped frame, so that a driven fluted disc is separated from power fluted disc, a, after the disc stops rotating, the moving frame and the transmission belt also stop rotating, so that the clamping pipe and the sewing needle do not move any more, the first rotating shaft and the shuttle also stop rotating, and the purpose of automatically stopping needle feeding when the thread is broken is achieved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a left side schematic view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the structure B in FIG. 2 according to the present invention.

In the figure: 1. a base; 2. a base shaft; 3. a support bar; 4. a first rotating shaft; 5. a first coil; 6. a shuttle is swung; 7. a work table; 8. an L-shaped rod; 9. a second coil; 10. a cylinder; 11. moving the frame; 12. a connecting rod; 13. a short bar; 14. a disc; 15. a second rotating shaft; 16. a bump; 17. a bearing; 18. a driven shaft; 19. a driven fluted disc; 20. a power fluted disc; 21. a power shaft; 22. a supporting seat; 23. a fixed seat; 24. a rotating rod; 25. a U-shaped frame; 26. a wire-folding rod; 27. a support pillar; 28. a sewing needle; 29. clamping the tube; 30. a bottom line; 31. a transmission belt; 32. a card slot; 33. a plastic bag is not full of gas; 34. a tin foil sheet; 35. a strong spring; 36. strong magnets; 37. an insulating block; 38. a push rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an automatic stop working device for sewing broken thread comprises a base 1, a base rod 2 is fixedly connected to the upper end of the top of the base 1, a worktable 7 is fixedly connected to the upper end of the base rod 2, a support rod 3 is fixedly connected to the middle part of the upper end of the base 1 near the rear side, a first rotating shaft 4 is rotatably connected to the upper end of the front side of the support rod 3, a first coil 5 is rotatably connected to the front end of the first rotating shaft 4, a bottom thread 30 is rotatably connected to the first coil 5, a shuttle 6 is fixedly connected to the middle part of the side surface of the first rotating shaft 4, an L-shaped rod 8 is fixedly connected to the upper end of the worktable 7, a second coil 9 is rotatably connected to the upper ends of the two sides of the L-shaped rod 8 through a through hole, a cylinder 10 is fixedly connected to the rear side of the top of the worktable 7, the lower end of the clamping pipe 29 is sleeved with a sewing needle 28, the thread of the first coil 9 is sleeved with a fixed pipe at the lower end of the right side of the clamping pipe 29, the sewing needle 28 is sleeved with the thread of the first coil 9 through a through hole formed in the lower end of the front side, and when the sewing needle 28 moves downwards, the thread of the first coil 9 is driven to penetrate through the cloth.

The moving frame 11 is connected with a short rod 13 in a sliding mode through a through groove formed in the right side of the front face, the front face of the short rod 13 is fixedly connected with a disc 14, the outer side of the disc 14 is connected with a transmission belt 31 in a rotating mode, the inner portion of the right side of the transmission belt 31 is connected with the rear side of the side face of a first rotating shaft 4 in a sliding mode, the transmission belt 31 is located on the rear side of the shuttle 6, when the disc 14 rotates, the first rotating shaft 4 rotates to drive the first rotating shaft 4 to rotate, the first rotating shaft 4 rotates to drive the shuttle; a second rotating shaft 15 is fixedly connected to the center of the circle on the front side of the disc 14, a protruding block 16 is fixedly connected to the upper end and the lower end of the second rotating shaft 15, a driven shaft 18 is slidably connected to the front portion of the side face of the second rotating shaft 15, the driven shaft 18 is slidably connected with the second rotating shaft 15 through a sliding groove formed in the rear side of the driven shaft 18, the driven shaft 18 is clamped with the protruding block 16 through a small groove in the upper portion and the lower portion of the sliding groove, when the U-shaped frame 25 drives the bearing 17 to move, the driven shaft 18 slides with the second rotating shaft 15 through an inner side groove; the bearing 17 is fixedly connected to the rear end of the side face of the driven shaft 18, the bearing 17 is rotatably connected with the U-shaped frame 25 through rods fixedly connected to the two sides of the bearing 17, the front face of the push rod 38 rotatably connected with the U-shaped frame 25 through the lower rotating rod 24 is fixedly connected with the back face of the insulating block 37, and when the insulating block 37 moves back and forth, the rotating rod 24 is pushed through the push rod 38, so that the U-shaped frame 25 is driven to move.

Meanwhile, the front of the driven shaft 18 is fixedly connected with a driven fluted disc 19, the front of the driven fluted disc 19 is meshed with a power fluted disc 20, the front of the power fluted disc 20 is fixedly connected with a power shaft 21, the rear side of the driven fluted disc 19 at the upper end of the workbench 7 is fixedly connected with a supporting seat 22, the driven shaft 18 penetrates through the supporting seat 22 and is rotationally connected with the supporting seat, the rear side of the side surface of the driven shaft 18 is fixedly connected with the inside of the bearing 17, when the driven shaft 18 rotates, the inner side of the bearing 17 rotates with the; the left side of the upper end of the workbench 7 is fixedly connected with a broken line rod 26, the second rotating shaft 15 penetrates through a cross rod of the broken line rod 26, the cross rod of the broken line rod 26 is rotatably connected with the second rotating shaft 15 through a through hole formed in the front face of the cross rod, and the broken line rod 26 plays a supporting role when the second rotating shaft 15 rotates; fixed connection has fixing base 23 on 7 upper ends broken line pole 26 front sides of workstation, fixing base 23 rotates through its left round bar and is connected with bull stick 24, 24 upper end fixedly connected with U type frame 25 of bull stick, 24 lower extremes of bull stick rotate and are connected with push rod 38, base 1 upper end left side fixedly connected with support column 27, fixedly connected with draw-in groove 32 in the support column 27 upper end, inside strong spring 35 of positive rear side fixedly connected with of draw-in groove 32, strong magnet 36 of one side fixedly connected with of draw-in groove 32 inner wall is kept away from to strong spring 32, the inboard bottom fixedly connected with of draw-in groove 32 is less than gas plastic bag 33, both sides fixedly connected with tinfoil piece 34 under the upper end of less than gas plastic bag 33, the left end fixedly connected with insulating block 37.

The working principle is as follows: cloth is placed on a workbench, the two ends of the workbench drive the cloth to move continuously, when a power shaft 21 rotates, a driven fluted disc 19 is driven to rotate through a power fluted disc 20, the driven fluted disc 19 rotates to drive a driven shaft 18 to rotate, the driven shaft 18 is clamped with a lug 16 to drive the driven shaft 18 and a rotating shaft two 15 to rotate, the rotating shaft two 15 drives a disc 14 to rotate, the disc 14 rotates to drive a driving belt 31 to slide, the lower end of the driving belt 31 drives a rotating shaft one 4 to rotate, the rotating shaft one 4 drives a shuttle 6 to rotate, the disc 14 rotates to drive a short rod 13 on the back of the disc to rotate, the short rod 13 rotates to drive a moving frame 11 to move up and down, an air cylinder 10 and a lower side rod of the moving frame 11 are in sliding connection to play a fixing role in the horizontal direction on the moving frame 11, the moving frame 11 drives a clamping pipe 27 to move through a connecting rod 12, the clamping pipe 27 drives a sewing needle 28 to move up and down, the sewing needle 28 with a coil, when the hook part of the shuttle hook 6 rotates to the lower side, the thread is separated and crossed with the bottom thread 30, at the moment, the sewing needle 28 ascends, the cloth continues to translate leftwards along with the transmission mechanism to pull the bottom thread 30, and the bottom thread 30 drives the thread of the first coil to cross into the cloth, so that the aim of automatic sewing is fulfilled.

When the wire of the first coil is pulled off when rising, the bottom wire 30 which is originally vertically straightened by the first coil is not constrained in the vertical direction any more, the bottom wire 30 moves to the left along with the cloth driving the bottom wire 30, the angle formed by the bottom wire 30 and the first coil 5 becomes larger and larger, when the angle is larger than a certain value, the bottom wire 30 presses the middle of the top of the plastic bag 33 which is not full of air, so that the front side and the rear side of the top expand, the tin foil sheets 34 on the front side and the rear side rise and prop against the top of the inner side of the clamping groove 32, at the moment, the magnetic field between the two strong magnets 36 which are originally repelled is greatly weakened, the strong magnets 36 after the magnetic field weakening move towards each other under the action of the strong spring 35, the strong magnet 36 on the rear side pulls the push rod 38 to move forwards through the insulating block 37, the push rod 38 pulls the rotating rod 24, the bearing 17 and the driven shaft 18 are pushed backwards through the U-shaped frame 25, the disc 14 stops rotating, the moving frame 11 and the transmission belt 31 stop rotating after the disc 14 stops rotating, so that the clamping pipe 29 and the sewing needle 28 do not move any more, the rotating shaft 4 and the shuttle 6 also stop rotating, and the purpose of automatically stopping needle feeding when the thread is broken is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.