CN210763621U

CN210763621U - Yarn tensioning device

Info

Publication number: CN210763621U
Application number: CN201921426640.3U
Authority: CN
Inventors: 张亮
Original assignee: Yiwu First Line Antenna Industry Co ltd
Current assignee: Yiwu First Line Antenna Industry Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-16
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a overspeed device tensioner of yarn, including horizontal support, the bottom side fixedly connected with U type frame of horizontal support, the both ends of horizontal support front side are provided with the rolling wheel respectively and cross the line wheel, slidable mounting has big slider in the U type frame, be provided with the shaft on the big slider, and rotate on the shaft and cup jointed the take-up pulley, rolling wheel, take-up pulley and cross the line wheel and be connected with same yarn in proper order the transmission. The utility model discloses in, not only can carry out the tensioning to the yarn that passes through on the take-up pulley and adjust to reduced the problem of yarn broken string, even upwards appear in addition or when decurrent regulation dynamics is too big, through the upper and lower buffering of spring one and spring two, can make little slider, shaft and take-up pulley cushion the activity from top to bottom, and then can prevent to take place the problem of yarn broken string because the regulation dynamics is too big, the security during the use is higher, is favorable to using widely.

Description

Yarn tensioning device

Technical Field

The utility model relates to the field of textile technology, especially, relate to a overspeed device tensioner of yarn.

Background

The yarn is a product processed by various textile fibers into a certain fineness and is used for weaving, rope making, thread making, knitting, embroidering and the like.

At present, the yarn is at the in-process of rolling, and a lot of because do not set up the function that the tensioning was adjusted during production, cause the problem that the broken string appears in the yarn easily, even some have set up tensioning adjusting device moreover, but current tensioning adjusting device is because not having the shock-absorbing capacity, also the phenomenon that the broken string appears easily takes place if adjusting the dynamics too big, and the security is relatively poor.

Therefore, the utility model provides a overspeed device tensioner of yarn is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a yarn tensioning device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a yarn tensioning device comprises a transverse support, wherein a U-shaped frame is fixedly connected to the bottom side of the transverse support, a winding wheel and a yarn passing wheel are respectively arranged at two ends of the front side of the transverse support, a large sliding block is slidably mounted in the U-shaped frame, a wheel shaft is arranged on the large sliding block, a tensioning wheel is rotatably sleeved on the wheel shaft, and the winding wheel, the tensioning wheel and the yarn passing wheel are sequentially connected with one yarn in a transmission manner;

the novel U-shaped frame is characterized in that a hollow groove is formed in the large sliding block, a small sliding block is slidably mounted in the hollow groove, the tensioning wheel is located on the front side of the front face of the small sliding block and the front side of the front face of the large sliding block, one end of the wheel shaft is fixedly connected to the small sliding block, a first spring is fixedly connected between the top of the small sliding block and the inner wall of the top of the hollow groove, a second spring is fixedly connected between the bottom of the small sliding block and the inner wall of the bottom of the hollow groove, a screw rod is connected to the bottom of the large sliding block in a rotating mode, a threaded hole is formed in the inner wall of the bottom of the U-.

Preferably, the first spring and the second spring are arranged in an up-down symmetrical mode, and the elastic coefficient of the first spring is the same as that of the second spring.

Preferably, the bottom of the large sliding block is fixedly connected with a bearing seat, and the top end of the screw rod is rotatably arranged on the bearing seat.

Preferably, the inner walls of the two sides of the U-shaped frame are symmetrically provided with first guide sliding grooves, the two sides of the large sliding block are symmetrically provided with first guide sliding blocks, and the first guide sliding blocks are slidably mounted in the first guide sliding grooves along the vertical direction.

Preferably, the circumferential surface of the rotation knob is provided with anti-slip lines.

Preferably, the inner walls of the two sides of the hollow groove are symmetrically provided with two guide sliding chutes, and the two sides of the small sliding block are respectively in sliding connection with the two guide sliding chutes.

Preferably, the transverse support and the U-shaped frame are arranged perpendicular to each other.

Compared with the prior art, the beneficial effects of the utility model are that:

in the utility model, the screw rod rotates to drive the big slide block to move up and down through the relative screw thread with the threaded hole, and the big slide block drives the tension pulley to move up and down through the small slide block and the wheel shaft, so that the yarn passing through the tension pulley can be tensioned and adjusted, and the problem of yarn breakage is reduced; even upwards appear or when decurrent regulation dynamics is too big, through the upper and lower buffering of spring one and spring two, can make little slider, shaft and take-up pulley cushion the activity from top to bottom, and then can prevent to take place the problem of yarn broken string because the regulation dynamics is too big, the security during the use is higher, is favorable to using widely.

Drawings

Fig. 1 is a schematic structural view of a yarn tensioning device according to the present invention;

fig. 2 is a partial enlarged view of the present invention.

In the figure: 1. a transverse support; 2. a U-shaped frame; 3. a winding wheel; 4. a wire passing wheel; 5. a tension wheel; 6. a large slider; 7. a wheel axle; 8. a small slider; 9. a hollow groove; 10. a first spring; 11. a second spring; 12. a rotation knob; 13. a screw; 14. a threaded hole; 15. a bearing seat; 16. a first guide chute; 17. a guide slider; 18. and a second guide chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a yarn tensioning device comprises a transverse support 1, wherein a U-shaped frame 2 is fixedly connected to the bottom side of the transverse support 1, a winding wheel 3 and a yarn passing wheel 4 are respectively arranged at two ends of the front side of the transverse support 1, a large sliding block 6 is slidably mounted in the U-shaped frame 2, a wheel shaft 7 is arranged on the large sliding block 6, a tensioning wheel 5 is rotatably sleeved on the wheel shaft 7, and the winding wheel 3, the tensioning wheel 5 and the yarn passing wheel 4 are sequentially connected with one yarn in a transmission manner;

be equipped with hollow groove 9 on big slider 6, slidable mounting has little slider 8 in hollow groove 9, and take-up pulley 5 is located the front side of little slider 8 and big slider 6, the one end fixed connection of shaft 7 is on little slider 8, fixedly connected with spring 10 between the top of little slider 8 and the top inner wall of hollow groove 9, fixedly connected with spring two 11 between the bottom of little slider 8 and the bottom inner wall of hollow groove 9, the bottom of big slider 6 is rotated and is connected with screw rod 13, be provided with screw hole 14 on the bottom inner wall of U type frame 2, screw rod 13's bottom runs through screw hole 14 and passes through threaded connection with screw hole 14, and the fixed knob 12 that is provided with on screw rod 13's the bottom. The utility model discloses in, not only can carry out the tensioning to the yarn of process on the take-up pulley 5 and adjust to reduced the problem of yarn broken string, even upwards appear in addition or when decurrent regulation dynamics is too big, through the upper and lower buffering of spring 10 and spring two 11, can make little slider 8, shaft 7 and take-up pulley 5 cushion the activity from top to bottom, and then can prevent to take place the problem of yarn broken string because the regulation dynamics is too big, the security during the use is higher, be favorable to using widely.

Specifically, the first spring 10 and the second spring 11 are arranged symmetrically up and down, and the elastic coefficient of the first spring 10 is the same as that of the second spring 11.

Specifically, the bottom of the large slide block 6 is fixedly connected with a bearing seat 15, and the top end of the screw 13 is rotatably mounted on the bearing seat 15.

Specifically, the inner walls of the two sides of the U-shaped frame 2 are symmetrically provided with first guide sliding grooves 16, the two sides of the large sliding block 6 are symmetrically provided with guide sliding blocks 17, and the guide sliding blocks 17 are slidably mounted in the first guide sliding grooves 16 along the vertical direction.

Specifically, the rotation knob 12 is provided with an anti-slip pattern on a circumferential surface thereof.

Specifically, two guide sliding grooves 18 are symmetrically arranged on the inner walls of the two sides of the hollow groove 9, and the two sides of the small sliding block 8 are respectively in sliding connection with the two guide sliding grooves 18.

Specifically, the transverse support 1 and the U-shaped frame 2 are arranged perpendicular to each other.

In the utility model, when the yarn is tensioned and adjusted, the screw 13 is driven to rotate by the rotary button 12, the screw 13 is in thread transmission relative to the threaded hole 14 when rotating, and then the large slider 6 is moved up and down, the large slider 6 drives the tensioning wheel 5 to move up and down by the small slider 8 and the wheel shaft 7, thereby tensioning and adjusting the yarn passing through the tensioning wheel 5; moreover, in the embodiment, even if the upward or downward adjusting force is too large, the small sliding block 8, the wheel shaft 7 and the tension wheel 5 can perform vertical buffering activity through vertical buffering of the first spring 10 and the second spring 11, so that the problem of yarn breakage caused by too large adjusting force can be prevented, the safety during use is higher, and popularization and use are facilitated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The yarn tensioning device comprises a transverse support (1), and is characterized in that a U-shaped frame (2) is fixedly connected to the bottom side of the transverse support (1), a winding wheel (3) and a yarn passing wheel (4) are respectively arranged at two ends of the front side of the transverse support (1), a large sliding block (6) is slidably mounted in the U-shaped frame (2), a wheel shaft (7) is arranged on the large sliding block (6), a tensioning wheel (5) is rotatably sleeved on the wheel shaft (7), and the winding wheel (3), the tensioning wheel (5) and the yarn passing wheel (4) are sequentially connected with one yarn in a transmission manner;

the big sliding block (6) is provided with a hollow groove (9), the hollow groove (9) is internally provided with a small sliding block (8) in a sliding way, the tension wheel (5) is positioned at the front side of the front surfaces of the small slide block (8) and the large slide block (6), one end of the wheel shaft (7) is fixedly connected to the small sliding block (8), a first spring (10) is fixedly connected between the top of the small sliding block (8) and the inner wall of the top of the hollow groove (9), a second spring (11) is fixedly connected between the bottom of the small slide block (8) and the inner wall of the bottom of the hollow groove (9), the bottom of the big sliding block (6) is rotationally connected with a screw rod (13), the inner wall of the bottom of the U-shaped frame (2) is provided with a threaded hole (14), the bottom end of the screw rod (13) penetrates through the threaded hole (14) and is in threaded connection with the threaded hole (14), and a rotating button (12) is fixedly arranged on the bottom end of the screw rod (13).

2. A yarn tensioning device according to claim 1, wherein the first spring (10) and the second spring (11) are arranged vertically symmetrically, and the spring constant of the first spring (10) is the same as the spring constant of the second spring (11).

3. A yarn tensioning device according to claim 1, characterized in that a bearing seat (15) is fixedly connected to the bottom of the large sliding block (6), and the top end of the screw (13) is rotatably mounted on the bearing seat (15).

4. The yarn tensioning device according to claim 1, characterized in that the inner walls of the two sides of the U-shaped frame (2) are symmetrically provided with a first guide sliding groove (16), the two sides of the large sliding block (6) are symmetrically provided with a first guide sliding block (17), and the first guide sliding block (17) is slidably installed in the first guide sliding groove (16) along the vertical direction.

5. A yarn tensioning device according to claim 1, characterised in that the knob (12) is provided with anti-slip threads on its circumferential surface.

6. A yarn tensioning device according to claim 1, characterized in that two guide sliding chutes (18) are symmetrically arranged on the inner walls of the two sides of the hollow groove (9), and two sides of the small sliding block (8) are respectively connected with the two guide sliding chutes (18) in a sliding manner.

7. A yarn tensioning device according to claim 1, characterised in that the transverse support (1) and the U-shaped frame (2) are arranged perpendicular to each other.