CN218579328U

CN218579328U - Let-off mechanism and knitting machine

Info

Publication number: CN218579328U
Application number: CN202222171425.1U
Authority: CN
Inventors: 陈永海
Original assignee: Guangzhou Yong Jin Machinery Co ltd
Current assignee: Guangzhou Yong Jin Machinery Co ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-03-07
Anticipated expiration: 2032-08-17

Abstract

The utility model provides a let-off mechanism and a knitting machine, wherein the let-off mechanism comprises a driving roller component which is used for transmitting warp threads; a pressure detection device configured to be capable of detecting a pressure on the drive roll assembly and emitting a first signal; the speed reduction group is connected with a pan head, the pan head can be driven by the speed reduction group to rotate, and the speed reduction group can respond to the first signal to adjust the rotating speed of the pan head. The utility model discloses a set up pressure measurement device and carry out pressure measurement to the driving roller subassembly, along with the warp's on the coiled hair change, pressure on the driving roller subassembly is also different, and the speed that the signal control coiled hair of pressure measurement device can be responded to the speed reduction group for the warp remains tension unanimous throughout. Accordingly, the use of the knitting machine in the present application has a corresponding effect as well.

Description

Let-off mechanism and knitting machine

Technical Field

The utility model relates to a braider technical field especially relates to a let-off mechanism and braider.

Background

Let-off is one of the main actions of the knitting machine. The warp yarns are withdrawn from the package and fed into the respective working areas, maintaining a constant tension in the warp yarns. In the prior art, a let-off mechanism requires that the tension and the flatness of each pan head yarn before the tape is discharged are consistent; however, during the production process, workers can only adjust the tension manually, and the tension of the yarns is controlled by increasing or decreasing the number of pound codes or adjusting the tightness of the springs. Since the yarn on the package is continuously reduced while the machine is running, and the package weight is continuously reduced, the tension of the warp yarn is changed, and the tension of the warp yarn is frequently checked and manual adjustment is required, which causes a change in the specifications of the product.

SUMMERY OF THE UTILITY MODEL

The utility model provides a let-off mechanism for solve among the prior art the problem of the unanimous, difficult adjustment tension size of uncontrollable tension.

In order to solve the above technical problem, the utility model discloses the first aspect provides a let-off mechanism, include: a drive roller assembly for conveying warp threads; a pressure detection device configured to be capable of detecting a pressure on the drive roll assembly and emitting a first signal; the speed reduction group is connected with a pan head, the pan head can rotate under the driving of the speed reduction group, and the speed reduction group can respond to the first signal to adjust the rotating speed of the pan head.

Preferably, the driving roller assembly comprises a first driving roller, a second driving roller, a first mounting seat and a connecting plate, the first driving roller is arranged on the first mounting seat, the second driving roller passes through the connecting plate and is connected with the first driving roller, and the pressure detection device is arranged on the connecting plate.

Preferably, one end of the pressure detection device is connected with a supporting plate, the supporting plate is used for positioning the pressure detection device, and the other end of the supporting plate is connected with the connecting plate.

Preferably, the transmission roller assembly, the pressure detection device, the speed reduction group and the pan head are provided in the same number.

The utility model discloses the second aspect still provides a braider, include the mounting bracket and as above-mentioned any embodiment let-off mechanism, let-off mechanism sets up on the mounting bracket.

Preferably, the let-off mechanism is provided in a plurality on the mounting frame.

Preferably, the two ends of the driving roller assembly are connected with the mounting rack, the speed reduction group is fixed on the mounting rack through a speed reduction group seat, and the pan head is fixed on the mounting rack through a second mounting seat.

Preferably, a flange is arranged at the end of the pan head, a pan head roller is arranged inside the pan head, and the pan head roller penetrates through the flange and is respectively connected with the speed reduction group and the second mounting seat.

Preferably, the mounting bracket comprises four mobile poles and connecting rods connected with the four mobile poles, and the mounting bracket is hollow inside.

Preferably, the let-off mechanisms can be distributed on the mounting rack back and forth and up and down.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up pressure measurement device and carry out pressure measurement to the driving roller subassembly, along with the warp's on the coiled hair change, pressure on the driving roller subassembly is also different, and the speed that the signal control coiled hair of pressure measurement device can be responded to the speed reduction group for the warp remains tension unanimous throughout. Accordingly, the use of the knitting machine in the present application has a corresponding effect as well.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the installation of the let-off mechanism on the mounting frame provided by the present invention.

Fig. 2 is a schematic structural view of the let-off mechanism provided by the present invention.

Fig. 3 is a schematic structural view of another embodiment of the let-off mechanism provided by the present invention on a mounting frame.

Reference numerals are as follows:

10. a mounting frame; 11. a main rod; 12. a connecting rod; 20. a let-off mechanism; 21. a drive roll assembly; 211. a first drive roller; 212. a second driving roller; 213. a first mounting seat; 214. a connecting plate; 22. a pressure detection device; 221. a support plate; 23. a speed reduction group; 231. a speed reduction group seat; 24. coiling; 25. a second mounting seat; 26. and (4) a flange.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings in the present invention will be combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

The let-off mechanism and knitting machine of the present invention will be described with reference to fig. 1 to 3.

As shown in fig. 1 and 2, the present embodiment provides a knitting machine, which includes a mounting frame 10 and a let-off mechanism 20, wherein the let-off mechanism 20 is arranged on the mounting frame 10. The warp feeding mechanism 20 is used for conveying warp yarns, so that the warp yarns of the knitting machine can keep consistent tension.

Often, a plurality of let-off mechanisms 20 are required to cooperate with each other to let off warp in the knitting machine, so that the number of the let-off mechanisms 20 on the mounting rack 10 is multiple, and the plurality of let-off mechanisms 20 are distributed on the mounting rack 10 in a front-back and up-down manner, and the distribution of the let-off mechanisms 20 is adjusted according to design requirements.

In one embodiment, the let-off mechanism 20 comprises a transmission roller assembly 21, a pressure detection device 22, a deceleration set 23 and a pan head 24, wherein the transmission roller assembly 21 is used for transmitting warp threads, and the pressure detection device 22 is configured to be capable of detecting the pressure on the transmission roller assembly 21 and sending out a first signal; the speed reduction unit 23 is connected with the pan head 24, the pan head 24 can be driven by the speed reduction unit 23 to rotate, and the speed reduction unit 23 can respond to the first signal to adjust the rotating speed of the pan head 24. The speed reduction set 23 is a speed reduction motor, and the rotation speed of the speed reduction set 23 can have a lower rotation speed to drive the pan head 24 to rotate.

It should be understood that the warp threads are wound on the pan head 24 and then conveyed through the transmission roller assembly 21, during the conveying process, the warp threads on the pan head 24 gradually decrease with time, so that the pressure of the warp threads acting on the transmission roller assembly 21 changes, the pressure detecting device 22 can detect the pressure change on the transmission roller assembly 21 and send out a first signal, the controller of the knitting machine can receive the first signal and feed the first signal back to the speed reducing group 23, the speed reducing group 23 can adjust the rotation speed of the knitting machine according to the change of the first signal, and then adjust the speed of the pan head 24, that is, the speed of the warp threads, so that the warp threads can keep a certain tension and the warp threads are stably sent.

Specifically, the driving roller assembly 21 includes a first driving roller 211, a second driving roller 212, a first mounting seat 213 and a connecting plate 214, the first driving roller 211 is disposed on the first mounting seat 213, the first driving roller 211 can rotate relative to the first mounting seat 213, the second driving roller 212 is connected to the first driving roller 211 through the connecting plate 214, the second driving roller 212 can also rotate relative to the connecting plate 214, and the pressure detecting device 22 is disposed on the connecting plate 214. Since the warp threads are pressed on the surfaces of the first driving roller 211 and the second driving roller 212, the pressure change on the first driving roller 211 and the second driving roller 212 can be detected by detecting the pressure change on the connecting plate 214.

Further, pressure measurement device 22 one end is connected with backup pad 221, and backup pad 221 is used for fixing a position pressure measurement device 22, and backup pad 221 fixed mounting is on mounting bracket 10, and pressure measurement device 22's the other end is connected on connecting plate 214, and pressure measurement device 22 here is pressure sensor, also can be other parts that detect power, and it is with low costs to adopt pressure sensor, effectual and easy to assemble.

It is to be noted that the same number of the drive roller assembly 21, the pressure detecting device 22, the speed reducing group 23, and the pan head 24 are provided. This combination forms let-off mechanism 20.

When the assembly is carried out, the two ends of the transmission roller assembly 21 are connected with the mounting frame 10, the speed reducing group 23 is fixed on the mounting frame 10 through the speed reducing group seat 231, and the pan head 24 is fixed on the mounting frame 10 through the second mounting seat 25. Flanges 26 are arranged at the end parts of the two sides of the pan head 24, a pan head roller (not shown in the figure) is arranged inside the pan head 24, and the pan head roller penetrates through the flanges 26 to be respectively connected with the speed reducing group 23 and the second mounting seat 25. Thus, the stable installation of the pan head 24 is ensured, and the pan head 24 can rotate smoothly under the driving of the speed reducing group 23.

In this embodiment, as shown in fig. 1, the mounting frame 10 is composed of four main rods 11 and a connecting rod 12 connecting the four main rods 11, and the mounting frame 10 is hollow. The let-off mechanisms 20 are provided in the hollow portion of the mounting frame 10, and three let-off mechanisms 20 are provided in the mounting frame 10.

In other embodiments, as shown in fig. 3, 14 let-off mechanisms 20 are provided. Accordingly, the mounting frame 10 on which the let-off mechanism 20 is placed is also adapted.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A let-off mechanism, comprising: a drive roller assembly for conveying warp threads; a pressure detection device configured to be capable of detecting a pressure on the drive roll assembly and emitting a first signal; the speed reduction group is connected with a pan head, the pan head can be driven by the speed reduction group to rotate, and the speed reduction group can respond to the first signal to adjust the rotating speed of the pan head.

2. A let-off mechanism according to claim 1, wherein the drive roller assembly comprises a first drive roller, a second drive roller, a first mounting seat and a connecting plate, the first drive roller is disposed on the first mounting seat, the second drive roller is connected with the first drive roller through the connecting plate, and the pressure detecting device is disposed on the connecting plate.

3. The let-off mechanism according to claim 2, wherein a support plate is connected to one end of the pressure detection device, the support plate is used for positioning the pressure detection device, and the other end of the support plate is connected to the connection plate.

4. A let-off mechanism according to claim 1, wherein the drive roll assembly, the pressure detection means, the speed reduction group and the pan head are provided in the same number.

5. Knitting machine, characterized by comprising a mounting and a let-off mechanism according to any one of claims 1 to 4, which is arranged on the mounting.

6. The knitting machine of claim 5, characterized in that the let-off mechanism is plural in number on the mount.

7. The knitting machine of claim 5, wherein the drive roll assembly is coupled at both ends to the mounting frame, the reduction group being secured to the mounting frame by a reduction group mount, the pan head being secured to the mounting frame by a second mounting mount.

8. The knitting machine of claim 7, characterized in that a flange is provided at an end of the pan head, and a pan head roller is provided inside the pan head, the pan head roller passing through the flange to connect the reduction group and the second mount, respectively.

9. The knitting machine of claim 5, wherein the mounting frame is comprised of four primary bars and links connecting the four primary bars, the mounting frame being hollow inside.

10. The knitting machine of claim 6, wherein each let-off mechanism is distributed fore and aft and up and down on the mounting.