CN210122606U - Needle turning transmission mechanism of flat knitting machine - Google Patents
Needle turning transmission mechanism of flat knitting machine Download PDFInfo
- Publication number
- CN210122606U CN210122606U CN201920489054.7U CN201920489054U CN210122606U CN 210122606 U CN210122606 U CN 210122606U CN 201920489054 U CN201920489054 U CN 201920489054U CN 210122606 U CN210122606 U CN 210122606U
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- needle
- guide block
- turning
- seat
- needle turning
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 72
- 238000009940 knitting Methods 0.000 title claims abstract description 54
- 230000007246 mechanism Effects 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 claims description 13
- 239000004744 fabric Substances 0.000 abstract description 10
- 230000007547 defect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 12
- 230000007306 turnover Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 208000034888 Needle issue Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
The utility model discloses a needle turning transmission mechanism of a flat knitting machine, which comprises a Zhongshan guide block and a needle turning guide block, wherein a needle turning pressure spring is arranged above the needle turning guide block, the Zhongshan guide block is arranged on a Zhongshan guide block seat, and the needle turning guide block is arranged on the needle turning guide block seat; a seesaw is arranged between the middle mountain guide block seat and the needle turning guide block seat; the middle mountain guide block seat is connected with the stitch-turning guide block seat through the stitch-turning guide column seat; the seesaw can be movably arranged on the needle turning guide post seat; a transmission shaft is arranged in the needle turning guide post seat, one end of the transmission shaft is provided with a motor, the other end of the transmission shaft is provided with a needle turning cam and a cam, and the upper end of the Zhongshan guide block seat is abutted to the outer contour of the cam; the seesaw is provided with a seesaw boss which is matched with the needle turning cam. The needle turning transmission mechanism is simple and ingenious in structure and high in stability, can effectively reduce the probability of defects of the fabric, effectively guarantees the yield of the fabric, and is beneficial to popularization and application of the transmission mechanism in the technical field of knitting machinery.
Description
Technical Field
The utility model relates to a knitting machine technical field specifically is a flat-bed machine turn over needle drive mechanism.
Background
The flat knitting machine is a machine for knitting by using a transverse knitting needle bed, and is a machine for finishing loop knitting by matching yarns with knitting needles, wherein yarns are driven by a machine head to move back and forth on the needle bed full of knitting needles, and the knitting machine is a flat knitting machine, which belongs to one kind of knitting machinery and generally adopts the transverse knitting machine.
In the process of knitting the garment pieces by the flat knitting machine, loop formation and stitch are indispensable knitting requirements of the garment pieces. The quality of the loop formation and the stability of the stitch turnover depend on whether the close fit of the loop and the crochet hook is proper or not, and the proper fit of the loop and the crochet hook can be realized only by pulling the garment piece or pressing the loop. The needle-turning guide block and the middle guide block are important components in a needle-turning rotating mechanism of the flat knitting machine, are arranged in a groove of a triangular mother plate and are used for controlling the needle-moving track of a knitting needle so as to realize a series of complex knitting actions. According to the weaving requirement of the fabric, the Zhongshan guide block and the stitch-turning guide block need to frequently move up and down to realize the switching between the working position entering and the working position exiting. In the same time phase, the middle mountain guide block and the stitch guide block enter the working position in an alternative state. At present, a flat knitting machine realizes position switching by arranging a structural form of a seesaw, a middle guide block is controlled by a cam or an electromagnet, and a needle turning guide block is controlled by a spring.
The needle overturning guide block is pressed downwards to enter the working position by means of the elasticity of the spring, and in the process, the needle overturning guide block cannot be pressed downwards due to the clamping or deformation of the spring, so that the phenomena of needle leakage, needle striking and the like are caused. In order to solve the technical problem, an inductor is additionally arranged in the existing flat knitting machine, but the inductor can cause the phenomena of false alarm and the like in the using process, and an operator is still required to treat and modify the inductor, so that the labor intensity of the operator is increased undoubtedly, the loss of manpower and material resources is caused, and the popularization and the application of the flat knitting machine in the market are not facilitated.
Disclosure of Invention
The utility model relates to an overcome the defect among the above-mentioned prior art, the utility model provides a flat-bed machine turn over needle drive mechanism, should turn over needle drive mechanism simple structure ingenious, stability is high, can effectively reduce the probability that the defect appears in the fabric, effectively guarantees the yield of fabric, is favorable to this drive mechanism in knitting machinery technical field's popularization and application.
In order to realize the aim, the utility model adopts the following technical scheme that the needle turning transmission mechanism of the flat knitting machine comprises a middle guide block and a needle turning guide block, wherein a needle turning pressure spring is arranged above the needle turning guide block, the middle guide block is arranged on a middle guide block seat, and the needle turning guide block is arranged on a needle turning guide block seat; a seesaw is arranged between the middle mountain guide block seat and the needle turning guide block seat; the needle turning guide post seat is connected with the middle mountain guide block seat through the needle turning guide post seat; the seesaw is movably arranged on the needle-turning guide post seat; a transmission shaft is arranged in the needle turning guide post seat close to the upper end of the needle turning guide post seat through a bearing, one end of the transmission shaft is provided with a motor, the other end of the transmission shaft is provided with a needle turning cam and a cam, and the upper end of the Zhongshan guide block seat is abutted to the outer contour of the cam; the seesaw is provided with a seesaw boss, and the seesaw boss is matched with the needle turning cam.
As an optimized proposal of the utility model, the seesaw is installed in the needle turning guide post seat through the pin roll and can wind the pin roll rotates.
As a preferred scheme of the utility model, the middle guide block seat is provided with a middle guide block seat groove, the stitch-turning guide block seat is provided with a stitch-turning guide block seat groove, and the middle guide block seat groove and the stitch-turning guide block seat groove are oppositely arranged; one end of the seesaw is embedded in the groove of the Zhongshan guide block seat, and the other end of the seesaw is embedded in the groove of the stitch-turning guide block seat.
As an optimized proposal of the utility model, the needle turning pressure spring is arranged in the needle turning guide block seat.
As a preferred scheme of the utility model, it is equipped with locking screw to turn over needle pressure spring top, turn over needle pressure spring one end butt turn over needle guide block seat, the other end is through holding screw butt locking screw.
As an optimized scheme of the utility model, form the pressure spring reference column in the needle guide block seat turns over, needle pressure spring one end cup joint in outside the pressure spring reference column.
As an optimized proposal of the utility model, the seesaw and the seesaw boss are integrally formed.
As an optimized scheme of the utility model, the one end that the motor was kept away from to the transmission shaft is equipped with the transmission shaft bushing, the transmission shaft inlays to be located just clearance fit each other in the transmission shaft bushing.
As an optimized proposal of the utility model, the transmission shaft bushing sleeve is arranged outside the needle turning guide post seat and is fixed by a locking screw.
As an optimized scheme of the utility model, the transmission shaft bush with turn over integrative the setting of needle guide post seat.
The utility model provides a flat-bed machine turn over needle drive mechanism, through set up the needle guide post seat between zhongshan guide block seat and the needle guide block seat of turning over, and at the transmission shaft in the needle guide post seat of turning over, set up cam and the needle cam of turning over on the transmission shaft, establish the seesaw boss on the seesaw, make the seesaw boss and the needle cam of turning over cooperate and use, in order to realize the switching of zhongshan guide block and needle guide block position, stability is high, and the use of inductor in the prior art has been saved, use cost is reduced, and can effectively reduce operating personnel's intensity of labour, should turn over needle drive mechanism simple structure ingenious, stability is high, can effectively reduce the probability that the fabric appears the defect, effectively guarantee the yield of fabric, be favorable to this drive mechanism in the popularization and application in knitting machinery technical field.
Drawings
Fig. 1 is a schematic structural view of a needle turning transmission mechanism of a flat knitting machine according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a needle turning transmission mechanism of a flat knitting machine according to an embodiment of the present invention;
fig. 3 is a schematic view of a state of a needle turning guide block of a needle turning transmission mechanism of a flat knitting machine in an embodiment of the present invention under operation;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
fig. 5 is a schematic view of a state of a middle guide block of a needle turning transmission mechanism of a flat knitting machine in an embodiment of the present invention under operation;
FIG. 6 is an enlarged view of the structure at B in FIG. 5;
FIG. 7 is a sectional view of the needle-turning transmission mechanism of the flat knitting machine according to the embodiment of the present invention;
fig. 8 is a top view of a needle-turning transmission mechanism of a weft knitting machine according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a needle turning transmission mechanism of a flat knitting machine according to an embodiment of the present invention;
fig. 10 is a schematic structural view of a needle turning transmission mechanism of a flat knitting machine according to an embodiment of the present invention;
FIG. 11 is a schematic view of a prior art seesaw;
fig. 12 is a schematic structural view of a seesaw in an embodiment of the present invention.
Reference numerals: 1. a needle turning guide post seat; 2. a pin shaft; 3. a drive shaft bushing; 4. a needle flipping cam; 5. a cam; 6. a middle mountain guide block seat; 61. a groove of the Zhongshan guide block seat; 7. a middle guide block; 8. a stitch guide block seat; 81. a needle turning guide block seat groove; 82. a pressure spring positioning column; 9. turning over the needle guide block; 10. a drive shaft; 11. a seesaw; 110. a seesaw projection; 12. a needle turning pressure spring; 13. locking the screw; 14. and (5) tightening the screw.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
Example (b): as shown in fig. 1 to 12, a needle-turning transmission mechanism of a flat knitting machine comprises a middle guide block 7 and a needle-turning guide block 9, wherein the middle guide block 7 and the needle-turning guide block 9 are important components of a needle-turning rotation mechanism of the flat knitting machine, are arranged in a groove of a triangular mother plate and are used for controlling a needle-moving track of a knitting needle to realize a series of complex knitting actions, the middle guide block 7 and the needle-turning guide block 9 need to frequently move up and down to realize switching between a working position and a withdrawing working position according to the knitting requirements of fabrics, the middle guide block and the needle-turning guide block enter the working position in an alternative state within the same time, a needle-turning pressure spring 12 is arranged above the needle-turning guide block 9, the needle-turning guide block 9 is controlled by the needle-turning pressure spring 12 to realize feeding and withdrawing, and the middle guide block 7 is controlled by a cam or an electromagnet.
In order to ensure the stability of the middle guide block 7 and the needle turning guide block 9 in the using process, the middle guide block 7 is fixedly arranged on the middle guide block seat 6, the needle turning guide block 9 is fixedly arranged on the needle turning guide block seat 8, a seesaw 11 is arranged between the middle guide block seat 6 and the needle turning guide block seat 8, and the middle guide block 7 and the needle turning guide block 9 are switched into a working position and a withdrawing position through the seesaw 11.
The needle turning transmission mechanism in the embodiment further comprises a needle turning guide post seat 1, the zhongshan guide block seat 6 is connected with the needle turning guide block seat 8 through the needle turning guide post seat 1, a seesaw 11 is movably arranged on the needle turning guide post seat 1, a transmission shaft 10 is arranged in the needle turning guide post seat 1, a bearing is arranged at the contact part of the transmission shaft 10 and the needle turning guide post seat 1 so as to facilitate the rotation of the transmission shaft 10, reduce resistance and reduce the abrasion degree of the contact part of the transmission shaft 10 and the needle turning guide post seat 1, a driving mechanism for driving the transmission shaft 10 to rotate is arranged at one end of the transmission shaft 10, the driving mechanism can be a common motor, the motor has high driving stability and good starting and speed regulating performance, the stability of the rotation shaft 10 in the rotation process can be effectively ensured, a needle turning cam 4 and a cam 5 are arranged on the transmission shaft 10 close to the other end of the transmission shaft 10, the upper end of the zhongshan guide block seat 6 can be abutted against the, so as to ensure the stability of the middle mountain guide block 7 or the needle overturning guide block 9 in the working process.
The seesaw 11 is provided with a seesaw boss 110, and the seesaw boss 110 is matched with the needle turning cam 4 to ensure the stability of the middle guide block 7 or the needle turning guide block 9 in the working process.
The seesaw 11 and the seesaw boss 110 can be integrally formed, the probability of fracture of the joint of the seesaw 11 and the seesaw boss 110 is reduced, the service life of the seesaw 11 is guaranteed, and the use cost is reduced.
The seesaw 11 is arranged on the needle turning guide post seat 1 through the pin shaft 2 and can rotate around the pin shaft 2, the switching between the working position entering and the working position exiting of the Zhongshan guide block 7 and the needle turning guide block 9 is realized by rotating the seesaw 11, the pin shaft 2 is simple in structure and convenient to replace, the structure of the needle turning mechanism can be further simplified, and the operation is convenient.
The middle guide block seat 6 is provided with a middle guide block seat groove 61, the stitch guide block seat 8 is provided with a stitch guide block seat groove 81, the middle guide block seat groove 61 and the stitch guide block seat groove 81 are oppositely arranged, one end of the seesaw 11 is embedded in the middle guide block seat groove 61, and the other end of the seesaw is embedded in the stitch guide block seat groove 81, so that the stability of the seesaw 11 in the using process is further ensured, and the probability of needle drop and needle missing of a knitting machine is reduced.
In order to avoid the trouble in the knitting process caused by the displacement of the stitch-turning pressure spring 12 in the using process, the stitch-turning pressure spring 12 is arranged in the stitch-turning guide block seat 8, a locking screw 13 is arranged above the stitch-turning pressure spring 12, the lower end of the stitch-turning pressure spring 12 abuts against the stitch-turning guide block seat 8, and the upper end of the stitch-turning pressure spring abuts against the locking screw 13 through a fastening screw 14 so as to fix the position of the stitch-turning pressure spring 12.
In order to further ensure the use effect of the stitch-reversing pressure spring 12, a columnar pressure spring positioning column 82 is formed in the stitch-reversing guide block seat 8, and the outer diameter of the pressure spring positioning column 82 is slightly smaller than the inner diameter of the stitch-reversing pressure spring 12, so that the stitch-reversing pressure spring 12 is sleeved outside the pressure spring positioning column 82.
In order to further ensure the stability of the transmission shaft 10 in the rotating process and reduce the resistance of the transmission shaft 10 in the rotating process, a transmission shaft bushing 3 is arranged at one end of the transmission shaft 10 far away from the motor, and the transmission shaft 10 is embedded in the transmission shaft bushing 3 and is in clearance fit with each other.
The transmission shaft bushing 3 is sleeved outside the needle overturning guide post seat 1 and is fixed through a locking screw, so that the position of the transmission shaft bushing 3 is fixed, and the using effect of the transmission shaft 10 is further ensured.
The seesaw 11 in this embodiment can rotate around the pin shaft 2, when the motor drives the cam 5 to rotate, and when the protruding part of the cam 5 contacts with the middle guide block seat 6, the middle guide block 7 moves downwards to enter the working position, and the needle turning guide block 9 moves upwards under the action of the seesaw 11 to exit the working position, at this time, the needle turning pressure spring 12 is in a pressed state. When the motor drives the cam 5 to rotate and the concave part of the cam 5 leaves the Zhongshan guide block seat 6, the needle turning guide block 9 moves downwards under the action of the spring force of the needle turning pressure spring 12 to enter a working position, and the Zhongshan guide block 7 moves upwards under the action of the seesaw 11 to exit the working position.
Under normal conditions, a gap exists between the needle turning cam 4 and the seesaw boss 110, but when the cam cannot be pressed down to a normal working position due to the clamping or deformation of the needle turning pressure spring 12 and the like, the needle turning cam 4 can be contacted with the seesaw boss 110, the needle turning cam is pressed down to ensure that the needle enters the normal working position, so that a stitch slides in a needle groove along a needle moving track safely, and the normal needle turning is ensured.
According to the needle turning transmission mechanism of the flat knitting machine, the needle turning guide post seat 1 is arranged between the Zhongshan guide block seat 6 and the needle turning guide block seat 8, the transmission shaft 10 is arranged in the needle turning guide post seat 1, the cam 5 and the needle turning cam 4 are arranged on the transmission shaft 10, the seesaw boss 110 is arranged on the seesaw 11, the seesaw boss 110 and the needle turning cam 4 are matched for use, so that the position switching of the Zhongshan guide block 7 and the needle turning guide block 9 is realized, the stability is high, the use of a sensor in the prior art is omitted, the use cost is reduced, the labor intensity of operators can be effectively reduced, the needle turning transmission mechanism is simple and ingenious in structure, the stability is high, the probability of fabric defects can be effectively reduced, the yield of the fabric is effectively guaranteed, and the popularization and the application of the transmission mechanism in the technical field of knitting machinery are facilitated.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although reference numeral 1, the trocar guide post holder, is used more herein; 2. a pin shaft; 3. a drive shaft bushing; 4. a needle flipping cam; 5. a cam; 6. a middle mountain guide block seat; 61. a groove of the Zhongshan guide block seat; 7. a middle guide block; 8. a stitch guide block seat; 81. a needle turning guide block seat groove; 82. a pressure spring positioning column; 9. turning over the needle guide block; 10. a drive shaft; 11. a seesaw; 110. a seesaw projection; 12. a needle turning pressure spring; 13. locking the screw; 14. set screws, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. A needle turning transmission mechanism of a flat knitting machine comprises a Zhongshan guide block (7) and a needle turning guide block (9), wherein a needle turning pressure spring (12) is installed above the needle turning guide block (9), the Zhongshan guide block (7) is installed on a Zhongshan guide block seat (6), and the needle turning guide block (9) is installed on a needle turning guide block seat (8); a teeterboard (11) is arranged between the middle mountain guide block seat (6) and the stitch transferring guide block seat (8); the method is characterized in that: the needle turning guide post seat is characterized by further comprising a needle turning guide post seat (1), wherein the middle mountain guide block seat (6) is connected with the needle turning guide block seat (8) through the needle turning guide post seat (1); the seesaw (11) is movably arranged on the needle-turning guide post seat (1); a transmission shaft (10) is arranged in the needle turning guide post seat (1) through a bearing, one end of the transmission shaft (10) is provided with a motor, the other end of the transmission shaft is provided with a needle turning cam (4) and a cam (5), and the upper end of the Zhongshan guide block seat (6) is abutted to the outer contour of the cam (5); the seesaw (11) is provided with a seesaw boss (110), and the seesaw boss (110) is matched with the needle turning cam (4).
2. The needle-flipping transmission mechanism of a flat knitting machine according to claim 1, characterized in that: the teeterboard (11) is arranged on the needle turning guide post seat (1) through a pin shaft (2) and can rotate around the pin shaft (2).
3. The needle-flipping transmission mechanism of a flat knitting machine according to claim 1, characterized in that: the middle guide block seat (6) is provided with a middle guide block seat groove (61), the stitch-turning guide block seat (8) is provided with a stitch-turning guide block seat groove (81), and the middle guide block seat groove (61) and the stitch-turning guide block seat groove (81) are arranged oppositely; one end of the seesaw (11) is embedded in the middle guide block seat groove (61), and the other end is embedded in the stitch-turning guide block seat groove (81).
4. The needle-flipping transmission mechanism of a flat knitting machine according to claim 1, characterized in that: the needle turning pressure spring (12) is arranged in the needle turning guide block seat (8).
5. The needle-flipping transmission mechanism of a flat knitting machine according to claim 4, characterized in that: and a locking screw (13) is arranged above the needle turning pressure spring (12), one end of the needle turning pressure spring (12) is abutted to the needle turning guide block seat (8), and the other end of the needle turning pressure spring is abutted to the locking screw (13) through a fastening screw (14).
6. The needle-flipping transmission mechanism of a flat knitting machine according to claim 4, characterized in that: a pressure spring positioning column (82) is formed in the needle turning guide block seat (8), and one end of the needle turning pressure spring (12) is sleeved outside the pressure spring positioning column (82).
7. The needle-flipping transmission mechanism of a flat knitting machine according to claim 1, characterized in that: the seesaw (11) and the seesaw boss (110) are integrally formed.
8. The needle-flipping transmission mechanism of a flat knitting machine according to claim 1, characterized in that: one end of the transmission shaft (10) far away from the motor is provided with a transmission shaft bushing (3), and the transmission shaft (10) is embedded in the transmission shaft bushing (3) and is in clearance fit with each other.
9. The needle-flipping transmission mechanism of a flat knitting machine according to claim 8, wherein: the transmission shaft bushing (3) is sleeved outside the needle turning guide post seat (1) and is fixed through a locking screw.
10. The needle-flipping transmission mechanism of a flat knitting machine according to claim 8, wherein: the transmission shaft bushing (3) and the needle turning guide post seat (1) are integrally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489054.7U CN210122606U (en) | 2019-04-11 | 2019-04-11 | Needle turning transmission mechanism of flat knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920489054.7U CN210122606U (en) | 2019-04-11 | 2019-04-11 | Needle turning transmission mechanism of flat knitting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210122606U true CN210122606U (en) | 2020-03-03 |
Family
ID=69633102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920489054.7U Withdrawn - After Issue CN210122606U (en) | 2019-04-11 | 2019-04-11 | Needle turning transmission mechanism of flat knitting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210122606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029436A (en) * | 2019-04-11 | 2019-07-19 | 宁波慈星股份有限公司 | The needle overturning transmission mechanism of straight-bar machines |
-
2019
- 2019-04-11 CN CN201920489054.7U patent/CN210122606U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029436A (en) * | 2019-04-11 | 2019-07-19 | 宁波慈星股份有限公司 | The needle overturning transmission mechanism of straight-bar machines |
| CN110029436B (en) * | 2019-04-11 | 2024-02-09 | 宁波慈星股份有限公司 | Needle turning transmission mechanism of flat knitting machine |
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Granted publication date: 20200303 Effective date of abandoning: 20240209 |