CN220503401U - Anti-vibration driving structure for large needle of linking machine - Google Patents
Anti-vibration driving structure for large needle of linking machine Download PDFInfo
- Publication number
- CN220503401U CN220503401U CN202321893272.XU CN202321893272U CN220503401U CN 220503401 U CN220503401 U CN 220503401U CN 202321893272 U CN202321893272 U CN 202321893272U CN 220503401 U CN220503401 U CN 220503401U
- Authority
- CN
- China
- Prior art keywords
- driving
- large needle
- arm
- shaft
- mounting
- 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.)
- Active
Links
- 230000001360 synchronised effect Effects 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims description 13
- 238000009958 sewing Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Abstract
The utility model discloses a large needle anti-vibration driving structure of a linking machine, which comprises the following components: the large needle driving device comprises a mounting seat, a driving shaft, a bearing seat, a rotary table, a driving shaft, a first synchronous wheel, a second synchronous wheel, a large needle driving rod, a driving arm and a large needle mounting arm, wherein the bearing seat is arranged on the mounting seat, the driving shaft is arranged in the bearing seat and is parallel to the driving shaft, the first synchronous wheel is arranged on the driving shaft, the rotary table is arranged at the end part of the driving shaft, a pin shaft is eccentrically arranged on the rotary table, the driving arm is arranged on the large needle driving rod and extends to the upper part or the lower part of the pin shaft, a connecting rod is arranged between the driving arm and the pin shaft, and the large needle mounting arm is arranged at the front end of the large needle driving rod. Through the mode, the anti-vibration driving structure for the large needle of the linking machine realizes the rotation driving of the driving shaft to the transmission shaft through the synchronous belt, and enters into the rotation of the driving turntable and the swinging of the driving arm and the large needle driving rod, so that the vibration is reduced.
Description
Technical Field
The utility model relates to the field of linking machines, in particular to a large needle anti-vibration driving structure of a linking machine.
Background
The sewing machine is a device for sewing the sweater sleeve mouth by using the suture, and can rapidly finish the sewing work of the sweater piece by the sewing machine, thereby replacing the traditional manual sewing and improving the production efficiency.
In the sewing process of the garment pieces, the sewing machine needs the large needle to swing left and right and move back and forth, and the sewing of the garment pieces can be realized only by matching with the action of the crochet needle, so that the driving structure of the large needle is complex. 2020232080138 discloses a noise reduction driving mechanism for a large needle of a linking machine, which simplifies the structure and only needs a driving shaft to drive, but a first lever of the noise reduction driving mechanism needs a first connecting rod and an eccentric wheel to drive, so that the burden of the eccentric wheel is increased, the eccentric wheel is stressed greatly, and the eccentric wheel is positioned in front, so that the driving shaft vibrates greatly during operation, and the operation stability is insufficient and needs to be improved.
Disclosure of Invention
The utility model mainly solves the technical problem of providing a large needle anti-vibration driving structure of a linking machine, which optimizes the structure and reduces the vibration problem.
In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a linking machine big needle antidetonation drive structure, include: the large needle driving device comprises a mounting seat, a driving shaft, a bearing seat, a rotary table, a transmission shaft, a first synchronous wheel, a second synchronous wheel, a large needle driving rod, a driving arm and a large needle mounting arm, wherein a mounting cavity is formed in the mounting seat, the driving shaft is transversely arranged in the mounting seat and penetrates through the mounting cavity, the large needle driving rod is longitudinally movably arranged in the mounting seat and penetrates through the mounting cavity, the bearing seat is arranged on the mounting seat, the transmission shaft is arranged in the bearing seat and is parallel to the driving shaft, the first synchronous wheel is arranged on the transmission shaft, the second synchronous wheel is arranged on the driving shaft and corresponds to the first synchronous wheel, a synchronous belt is arranged between the first synchronous wheel and the second synchronous wheel, the rotary table is arranged at the end part of the transmission shaft, a pin shaft is eccentrically arranged on the rotary table, the driving arm is arranged on the large needle driving rod and extends to the upper part or the lower part of the pin shaft, a connecting rod is arranged between the driving arm and the pin shaft, the large needle mounting arm is arranged at the front end of the large needle driving rod, and the large needle is arranged at the lower part of the large needle mounting arm.
In a preferred embodiment of the utility model, the two ends of the connecting rod are provided with knuckle bearings.
In a preferred embodiment of the utility model, the large needle driving rod is provided with a spring positioned between one side of the driving arm and the inner wall of the mounting cavity.
In a preferred embodiment of the utility model, a first pin parallel to the driving shaft is arranged on the other side of the inner wall of the mounting cavity opposite to the spring, a rotating sleeve is rotatably arranged on the first pin, a first swinging arm which extends along the radial direction of the first pin and points to the driving arm is arranged on the rotating sleeve, a first roller which is in rolling contact with the side surface of the driving arm is arranged on the first swinging arm, a first cam is arranged on the driving shaft, a second swinging arm which extends along the radial direction of the first pin and points to the first cam is arranged on the rotating sleeve, and a second roller which is in rolling contact with the edge of the first cam is arranged on the second swinging arm.
In a preferred embodiment of the present utility model, the first swing arm and the second swing arm form a V-shaped included angle, and the first pin is provided with a first torsion spring for providing a torsion force for the second swing arm in the first cam direction, so as to ensure rolling contact between the second roller and the edge of the first cam.
In a preferred embodiment of the present utility model, the front end of the driving shaft is provided with a second cam, one side of the front end of the mounting seat is provided with a second pin, a crochet hook driving rod is arranged on the second pin in a swinging manner, and the tail of the crochet hook driving rod extends towards the second cam and is provided with a third roller in rolling contact with the edge of the second cam.
In a preferred embodiment of the present utility model, a second torsion spring is provided on the second pin to provide a torsion force from the tail of the hook drive lever to the edge of the second cam.
In a preferred embodiment of the present utility model, the large needle mounting arm is located at an outer side of the mounting seat, and the front end of the crochet hook driving rod and the large needle mounting arm are located at the same side of the mounting seat.
The beneficial effects of the utility model are as follows: according to the anti-vibration driving structure for the large needle of the linking machine, the bearing seat is additionally arranged on the mounting seat, the driving shaft is driven to rotate through the synchronous belt, the rotation of the driving turntable and the swinging of the driving arm and the large needle driving rod are driven, the stress of the second cam is reduced, the vibration problem is reduced, and the operation is stable.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of a large needle anti-vibration driving structure of a linking machine according to a preferred embodiment of the present utility model.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, an embodiment of the present utility model includes:
the anti-vibration driving structure of the large needle of the linking machine shown in fig. 1 is used for driving the large needle 6 on the linking machine, and comprises the following components: the device comprises a mounting seat 1, a driving shaft 14, a bearing seat 21, a turntable 20, a transmission shaft 25, a first synchronous wheel 24, a second synchronous wheel 23, a large needle driving rod 16, a driving arm 8 and a large needle mounting arm 5, wherein a mounting cavity 9 is arranged in the mounting seat 1 for weight reduction, and fittings are convenient to mount.
The driving shaft 14 is transversely arranged in the mounting seat 1 and penetrates through the mounting cavity 9, a bearing can be arranged in the mounting seat 1 for rotatably supporting the driving shaft 14, and the driving shaft 14 is driven to rotate through a motor and a gear set on the linking machine.
The large needle driving rod 16 is longitudinally movably arranged in the mounting seat 1 and penetrates through the mounting cavity 9, a guide hole which longitudinally extends and corresponds to the large needle driving rod 16 is processed in the mounting seat 1, the large needle driving rod 16 is guided, and lubricating oil can be filled for lubricating when the large needle driving rod 16 longitudinally moves and rotates.
As shown in fig. 1, a second cam 13 is provided at the front end of a driving shaft 14, a second pin 11 is provided at the front end side of the mounting base 1, a crochet hook driving rod 10 is swingably provided on the second pin 11, a third roller 12 is provided at the rear of the crochet hook driving rod 10 extending toward the second cam 13 and in rolling contact with the edge of the second cam 13, and the driving shaft 14 drives the second cam 13 to rotate, so that the third roller 12 is used for driving the rear of the crochet hook driving rod 10 to swing up and down. In this embodiment, the second torsion spring for providing torsion force from the tail of the crochet hook driving rod 10 to the edge of the second cam 13 is arranged on the second pin 11, so that rolling contact between the third roller 12 and the edge of the second cam 13 is ensured. The front end of the crochet driving rod 10 can be connected with a crochet installation structure of the linking machine to drive the crochet.
The bearing seat 21 is arranged on the mounting seat 1, and in the embodiment, the bearing seat 21 is fixed above the mounting seat 1 by adopting a screw and is far away from the front end of the driving shaft 14, so that the vibration of the driving shaft 14 is reduced. The transmission shaft 25 is arranged in the bearing seat 21 and is parallel to the driving shaft 14, the first synchronizing wheel 24 is arranged on the transmission shaft 25, the second synchronizing wheel 23 is arranged on the driving shaft 14 and corresponds to the first synchronizing wheel 24, and the synchronous belt 22 is arranged between the first synchronizing wheel 24 and the second synchronizing wheel 23, so that indirect driving of the driving shaft 14 to the transmission shaft 25 is realized, and vibration transmission is reduced through the synchronous belt 22.
The turntable 20 is arranged at the end part of the transmission shaft 25, and the pin shaft 18 is eccentrically arranged on the turntable 20 to drive the pin shaft 18 to rotate. The driving arm 8 is arranged on the large needle driving rod 16 and extends to the lower part of the pin shaft 18 along the radial direction of the large needle driving rod 16, a connecting rod 17 is arranged between the driving arm 8 and the pin shaft 18, in the embodiment, joint bearings are arranged at two ends of the connecting rod 17, the rotation of the pin shaft 18 changes in height, and the up-and-down swing of the driving arm 8 is realized through the connecting rod 17, so that the large needle driving rod 16 is driven to rotate back and forth.
In order to realize the axial movement of the large needle driving rod 16, a spring 15 is arranged on the large needle driving rod 16 and is positioned between one side of the driving arm 8 and the inner wall of the mounting cavity 9, and as shown in fig. 1, the back surface of the driving arm 8 is elastically supported, namely, the large needle driving rod 16 is supported to axially move forward.
For the axial rearward movement of the large needle driving rod 16, a first pin 3 parallel to the driving shaft 14 is provided on the other side of the inner wall of the mounting chamber 9 opposite to the spring 15, a rotating sleeve 4 is rotatably provided on the first pin 3, in this embodiment, a first swing arm extending radially along the first pin 3 and pointing to the front face of the driving arm 8 is provided on the rotating sleeve 4, and a first roller 7 in rolling contact with the front face of the driving arm 8 is provided on the first swing arm, which is beneficial for applying a rearward movement driving force to the driving arm 8.
The driving shaft 14 is provided with a first cam 19, the rotating sleeve 4 is provided with a second swing arm which extends along the radial direction of the first pin 3 and points to the first cam 19, the second swing arm is provided with a second roller 2 which is in rolling contact with the edge of the first cam 19, in the embodiment, the first swing arm and the second swing arm form a V-shaped included angle, when the first cam 19 rotates along with the driving shaft 14, the convex surface of the first cam 19 is utilized to drive the second roller 2 and the lower hem of the second swing arm, and the first swing arm and the first roller 7 are driven to swing from top to bottom, so that the driving arm 8 is forced to move backwards.
In this embodiment, the first pin 3 is provided with a first torsion spring for providing a torsion force to the second swing arm in the direction of the first cam 19, so as to ensure rolling contact between the second roller 2 and the edge of the first cam 19, i.e. to perform a swing-up reset of the second swing arm.
The large needle mounting arm 5 is arranged at the front end of the large needle driving rod 16, and when the large needle driving rod 16 rotates back and forth and moves axially, the large needle mounting arm 5 swings left and right and moves back and forth, and the large needle 6 is arranged at the lower part of the large needle mounting arm 5, so that the large needle 6 is driven.
As shown in fig. 1, the large needle mounting arm 5 is located at the outer side of the mounting seat 1, and the front end of the crochet driving rod 10 and the large needle mounting arm 5 are located at the same side of the mounting seat 1, so that the cooperation of the crochet and the large needle 6 is facilitated, and the action requirement of the linking machine is met.
In conclusion, the anti-vibration driving structure of the large needle of the linking machine optimizes the structure, realizes driving of the large needle, has good anti-vibration effect and improves the working stability of the linking machine.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model or by other related art, either directly or indirectly, are intended to be included within the scope of the utility model.
Claims (8)
1. The utility model provides a stitch bonding machine big needle antidetonation drive structure for the drive of stitch bonding machine upper big needle, its characterized in that includes: the large needle driving device comprises a mounting seat, a driving shaft, a bearing seat, a rotary table, a transmission shaft, a first synchronous wheel, a second synchronous wheel, a large needle driving rod, a driving arm and a large needle mounting arm, wherein a mounting cavity is formed in the mounting seat, the driving shaft is transversely arranged in the mounting seat and penetrates through the mounting cavity, the large needle driving rod is longitudinally movably arranged in the mounting seat and penetrates through the mounting cavity, the bearing seat is arranged on the mounting seat, the transmission shaft is arranged in the bearing seat and is parallel to the driving shaft, the first synchronous wheel is arranged on the transmission shaft, the second synchronous wheel is arranged on the driving shaft and corresponds to the first synchronous wheel, a synchronous belt is arranged between the first synchronous wheel and the second synchronous wheel, the rotary table is arranged at the end part of the transmission shaft, a pin shaft is eccentrically arranged on the rotary table, the driving arm is arranged on the large needle driving rod and extends to the upper part or the lower part of the pin shaft, a connecting rod is arranged between the driving arm and the pin shaft, the large needle mounting arm is arranged at the front end of the large needle driving rod, and the large needle is arranged at the lower part of the large needle mounting arm.
2. The anti-vibration driving structure for the large needle of the linking machine according to claim 1, wherein the two ends of the connecting rod are provided with joint bearings.
3. The anti-vibration driving structure of the large needle of the linking machine according to claim 1, wherein a spring is arranged on the large needle driving rod and is positioned between one side of the driving arm and the inner wall of the mounting cavity.
4. The anti-vibration driving structure for the large needle of the linking machine according to claim 3, wherein a first pin parallel to the driving shaft is arranged on the other side of the inner wall of the mounting cavity opposite to the spring, a rotating sleeve is rotatably arranged on the first pin, a first swinging arm which extends along the radial direction of the first pin and points to the driving arm is arranged on the rotating sleeve, a first roller which is in rolling contact with the side surface of the driving arm is arranged on the first swinging arm, a first cam is arranged on the driving shaft, a second swinging arm which extends along the radial direction of the first pin and points to the first cam is arranged on the rotating sleeve, and a second roller which is in rolling contact with the edge of the first cam is arranged on the second swinging arm.
5. The anti-vibration driving structure for the large needle of the linking machine according to claim 4, wherein the first swing arm and the second swing arm form a V-shaped included angle, and the first torsion spring for providing torsion force for the second swing arm to the first cam direction is arranged on the first pin, so as to ensure rolling contact between the second roller and the edge of the first cam.
6. The anti-vibration driving structure for the large needle of the linking machine according to claim 1, wherein the front end of the driving shaft is provided with a second cam, one side of the front end of the mounting seat is provided with a second pin, a crochet driving rod is arranged on the second pin in a swinging manner, and the tail of the crochet driving rod extends towards the second cam and is provided with a third roller in rolling contact with the edge of the second cam.
7. The anti-vibration driving structure of the large needle of the linking machine according to claim 6, wherein a second torsion spring for providing torsion force from the tail of the crochet driving rod to the edge of the second cam is arranged on the second pin.
8. The anti-vibration driving structure for a large needle of a linking machine according to claim 6, wherein the large needle mounting arm is located at the outer side of the mounting base, and the front end of the crochet hook driving rod and the large needle mounting arm are located at the same side of the mounting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321893272.XU CN220503401U (en) | 2023-07-19 | 2023-07-19 | Anti-vibration driving structure for large needle of linking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321893272.XU CN220503401U (en) | 2023-07-19 | 2023-07-19 | Anti-vibration driving structure for large needle of linking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220503401U true CN220503401U (en) | 2024-02-20 |
Family
ID=89873313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321893272.XU Active CN220503401U (en) | 2023-07-19 | 2023-07-19 | Anti-vibration driving structure for large needle of linking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220503401U (en) |
-
2023
- 2023-07-19 CN CN202321893272.XU patent/CN220503401U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220503401U (en) | Anti-vibration driving structure for large needle of linking machine | |
| CN101634085A (en) | Differential mechanism of motor-direct-drive type lower differential sewing machine | |
| CN209722464U (en) | A kind of thread-trimming lifter-presser foot mechanism and sewing machine | |
| CN201473717U (en) | Feed-lifting feeding and stitch-length adjusting device for sewing machine | |
| CN101307531A (en) | Electric machine straight-link type sewing machine feeding device | |
| CN202064139U (en) | Reverse direction bag sewing machine used by left hand | |
| CN105113136A (en) | Feed mechanism of sewing machine and sewing machine | |
| CN104499194A (en) | Sewing machine roller presser foot stitch and backstitch driving mechanism | |
| CN109402877B (en) | Cloth feeding adjusting mechanism of sewing machine | |
| CN215628580U (en) | Noise reduction driving mechanism for large needle of sewing machine | |
| CN218711380U (en) | Lift presser foot mechanism and flat seaming machine | |
| CN207452444U (en) | A kind of embroidery machine purl structure | |
| CN112430919B (en) | Needle bar driving clutch mechanism | |
| CN210621137U (en) | Large needle driving mechanism of sewing machine based on eccentric wheel | |
| CN209468564U (en) | Groove pin eccentric ratio movement mechanism for full width weft insertion machine | |
| CN105506854B (en) | A kind of lopping motion for pressing yarn tricot machine | |
| CN216274653U (en) | Sewing machine | |
| CN219793304U (en) | Machine head transmission device of sock stitching machine | |
| CN2488930Y (en) | Feeding device for needle of sewing machine | |
| CN215404888U (en) | Sliding chute feeding mechanism of sewing machine | |
| CN215481639U (en) | Single-motor-driven backward and forward sewing and presser foot lifting device | |
| CN204676280U (en) | The lubricating oil feed mechanism of Sewing machines | |
| CN216663441U (en) | Sewing machine lifts integrative drive arrangement of presser foot and backstitch | |
| CN216274648U (en) | Sewing machine without swinging seat | |
| CN219930444U (en) | Crank rotary crochet swing mechanism and upright column type double-chain line sewing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |