CN220812889U - Device capable of accurately clamping thread on sewing machine - Google Patents
Device capable of accurately clamping thread on sewing machine Download PDFInfo
- Publication number
- CN220812889U CN220812889U CN202322413290.XU CN202322413290U CN220812889U CN 220812889 U CN220812889 U CN 220812889U CN 202322413290 U CN202322413290 U CN 202322413290U CN 220812889 U CN220812889 U CN 220812889U
- Authority
- CN
- China
- Prior art keywords
- thread
- piece
- sewing machine
- thread pressing
- shuttle box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009958 sewing Methods 0.000 title claims abstract description 23
- 238000003825 pressing Methods 0.000 claims abstract description 33
- 238000010008 shearing Methods 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model discloses a device capable of accurately clamping threads on a sewing machine, which comprises a shuttle box and a shearing device, wherein a thread pressing piece is arranged on one side of the shearing device, a thread pressing device for controlling the state of the thread pressing piece is arranged on the shuttle box, and the thread pressing device and the shearing device work synchronously. The synchronous cooperation of the thread pressing device and the thread cutting device is used for realizing that the sewing bottom thread is pulled and pressed between the movable cutter and the thread pressing sheet when the thread is cut, and meanwhile, the thread pressing sheet is controlled to press the sewing bottom thread, so that the phenomenon that the bottom thread cannot be pulled out when the thread is lifted is prevented, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the field of sewing machines, in particular to a device capable of accurately clamping threads on a sewing machine.
Background
The traditional sewing machine can use the flat knife to cut the thread, but when cutting special wires such as thread cutting rays, the phenomenon that the needle cannot go out of the bottom thread after cutting the thread (the thread pressing sheet and the movable cutter holder cannot hold the thread after cutting the thread) easily occurs, so that the normal production efficiency is restricted.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a device capable of accurately clamping a thread on a sewing machine, which can effectively solve the problems of the traditional sewing machine.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a but accurate device of pressing from both sides line on sewing machine, includes shuttle box, shearing mechanism one side is provided with the line ball piece, be provided with the control on the shuttle box the line ball device of line ball piece state, line ball device with shearing mechanism simultaneous working.
In the above technical scheme, further, be provided with the fixed plate on the shuttle box, the fixed plate includes first end and second end, shearing mechanism sets up on the fixed plate, shearing mechanism is including setting up fixed sword of first end department and setting up move the sword of second end department, be provided with the pivot of its activity of control on moving the sword, the pivot rotates and makes move the sword to fixed sword direction removes.
In the above technical scheme, further, one end of the line pressing sheet is fixed on the fixing plate, and the other end is provided with the fold part.
In the above technical scheme, further, the line ball device includes the cylinder subassembly, be provided with the connecting rod on the cylinder subassembly, the tip of connecting rod rotates and sets up on the turning handle, the turning handle rotates through the axis of rotation and sets up on the shuttle box, the other end of axis of rotation is provided with the connecting block, and be provided with the plectrum on the connecting block, the plectrum is located line ball piece below and rather than contacting, make during the turning handle rotation the plectrum is right the line ball piece extrudees.
The beneficial effects of the utility model are as follows: the synchronous cooperation of the thread pressing device and the thread cutting device is used for realizing that the sewing bottom thread is pulled and pressed between the movable cutter and the thread pressing sheet when the thread is cut, and meanwhile, the thread pressing sheet is controlled to press the sewing bottom thread, so that the phenomenon that the bottom thread cannot be pulled out when the thread is lifted is prevented, and the production efficiency is improved.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a first angular perspective view of the present utility model.
Fig. 3 is a second angular perspective view of the present utility model.
In the figure, a shuttle box 1, a line pressing sheet 2, a fold part 21, a fixing plate 3, a first end 32, a second end 4, a fixed cutter 5, a movable cutter 6, a rotating shaft 7, a cylinder assembly 8, a connecting rod 9, a rotating handle 10, a rotating shaft 11, a connecting block 12 and a pulling sheet.
Detailed Description
Referring to fig. 1-3, a device capable of accurately clamping threads on a sewing machine comprises a shuttle box 1 and a shearing device, wherein a thread pressing piece 2 is arranged on one side of the shearing device, a thread pressing device for controlling the state of the thread pressing piece 2 is arranged on the shuttle box 1, and the thread pressing device and the shearing device work synchronously.
The shuttle box 1 is provided with a notch for sewing, one side of the notch is provided with a fixed plate 3, the fixed plate 3 is provided with a first end 31 and a second end 32, the shearing device is arranged on the fixed plate 3 and comprises a fixed knife 4 fixedly arranged at the first end 31 and a movable knife 5 arranged at the second end 32, a convex plate is arranged at the second end 32, a round hole is formed in the center of the convex plate, a rotating shaft 6 is arranged on the movable knife 5, the rotating shaft 6 is embedded into the round hole, the rotating shaft 6 is connected to a motor, the rotation of the movable knife 5 is controlled through the motor, and when the movable knife 5 rotates, the movable knife 5 moves towards the fixed knife 4 to form shearing.
The line pressing sheet 2 comprises a straight part and a fold part 21, the fold part 21 is higher than the straight part, the straight part on the line pressing sheet 2 is fixed on the fixed plate 3, and the fold part 21 is used for pressing and touching sewing lines.
The thread pressing device is arranged outside the shuttle box 1 and comprises an air cylinder assembly 7, the air cylinder assembly 7 comprises an air cylinder and a push rod arranged on the air cylinder assembly, a connecting rod 8 is arranged at the end part of the push rod, the end part of the connecting rod 8 is rotatably connected with the end part of a rotating handle 9, a rotating shaft 10 embedded into the shuttle box 1 is arranged at the rotating center of the rotating handle 9, the other end of the rotating shaft 10 penetrates through the shuttle box 1 and is provided with a connecting block 11 at the end part of the rotating shaft, a pulling piece 12 is arranged on the connecting block 11, the pulling piece 12 is positioned below the thread pressing piece 2 and is in contact with the thread pressing piece 2, in an initial state, the pulling piece 12 is in contact with the left end of the thread pressing piece 2, when the pulling piece 12 rotates, the pulling piece 12 moves towards the right end of the thread pressing piece 2, the connecting rod 8 pulls the rotating handle 9 to move towards the connecting rod 8, and the pulling piece 12 presses the thread pressing piece 2.
The working process of the utility model comprises the following steps: the sewing thread is located at the fold portion 21, and is located between the fixed blade 4 and the movable blade 5, when the cutting is performed, the motor and the air cylinder assembly 7 are synchronously started, the movable blade 5 moves towards the fixed blade 4 to cut the sewing thread, and meanwhile the poking piece 12 rotates and then extrudes the pressing piece 2, so that the fold portion 21 compresses the sewing thread, and after the cutting is completed, the movable blade 5 and the poking piece 12 reset again through the motor and the air cylinder assembly 7.
The foregoing is merely one embodiment of the present utility model and is not intended to limit the utility model in any way, and simple modifications, equivalent variations or modifications can be made without departing from the technical solution of the present utility model, all falling within the scope of the utility model.
Claims (4)
1. The utility model provides a but accurate device of pressing from both sides line on sewing machine, includes shuttle box, shearing mechanism, its characterized in that, shearing mechanism one side is provided with the line ball piece, be provided with the control on the shuttle box line ball device of line ball piece state, line ball device with shearing mechanism simultaneous working.
2. The device for precisely clamping a thread on a sewing machine according to claim 1, wherein a fixed plate is provided on the bobbin case, the fixed plate includes a first end and a second end, the shearing device is provided on the fixed plate, the shearing device includes a fixed knife provided at the first end and a movable knife provided at the second end, a rotating shaft for controlling the movement of the movable knife is provided on the movable knife, and the rotation of the rotating shaft moves the movable knife in the direction of the fixed knife.
3. The device for precisely clamping a thread on a sewing machine according to claim 2, wherein one end of the thread pressing piece is fixed on the fixing plate, and the other end is provided with a fold portion.
4. The device for precisely clamping a thread on a sewing machine according to claim 1, wherein the thread pressing device comprises a cylinder assembly, a connecting rod is arranged on the cylinder assembly, the end part of the connecting rod is rotatably arranged on a rotating handle, the rotating handle is rotatably arranged on the shuttle box through a rotating shaft, a connecting block is arranged at the other end of the rotating shaft, a poking piece is arranged on the connecting block and is positioned below and in contact with the thread pressing piece, and the poking piece extrudes the thread pressing piece when the rotating handle rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322413290.XU CN220812889U (en) | 2023-09-06 | 2023-09-06 | Device capable of accurately clamping thread on sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322413290.XU CN220812889U (en) | 2023-09-06 | 2023-09-06 | Device capable of accurately clamping thread on sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220812889U true CN220812889U (en) | 2024-04-19 |
Family
ID=90674087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322413290.XU Active CN220812889U (en) | 2023-09-06 | 2023-09-06 | Device capable of accurately clamping thread on sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220812889U (en) |
-
2023
- 2023-09-06 CN CN202322413290.XU patent/CN220812889U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |