CN219173950U

CN219173950U - Thread take-up assembly and thread end tightening device

Info

Publication number: CN219173950U
Application number: CN202222566998.4U
Authority: CN
Inventors: 陈中杰; 刘玉飞; 苏高峰
Original assignee: Suzhou Jiangjin Automation Technology Co ltd
Current assignee: Suzhou Jiangjin Automation Technology Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-06-13
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a take-up assembly and thread end tightening equipment, wherein the take-up assembly comprises a take-up lever, the axis of the take-up lever extends along the longitudinal direction, the take-up lever is connected with a lifting device which drives the take-up lever to move along the longitudinal direction, the lifting device is connected with the side part of a rotating mechanism and is driven by the lifting device to rotate around the axis of the rotating mechanism, the take-up lever extends to the lower part of the rotating mechanism, the rotating mechanism is arranged on a swinging mechanism, and the swinging mechanism drives the rotating mechanism to swing horizontally. The thread take-up assembly can be effectively matched with the spool rotating mechanism and the thread end clamping mechanism under the thread to realize thread screwing under the thread, and at the moment, the thread take-up assembly can normally feed the thread through the grabbing mechanism in the prior art, so that the efficiency is improved, and meanwhile, the structure can effectively meet the movement of the full thread spool on the spool rotating mechanism.

Description

Thread take-up assembly and thread end tightening device

Technical Field

The utility model relates to the field of thread end screwing equipment, in particular to a thread taking-up assembly and thread end screwing equipment.

Background

In order to prevent the wire harness wound on the spool from loosening due to unfixed wire ends, it is necessary to fix the wire ends.

When the thread ends are fixed, the thread ends can be twisted into a bundle in a thread twisting mode, and before thread twisting, the thread ends are required to be formed into a coil through the cooperation of the thread picking assembly, the spool rotating mechanism and the thread end clamping mechanism, and the thread between the thread end clamping mechanism and the full thread wheel on the spool rotating mechanism, so that the thread twisting mechanism can effectively twist the thread ends.

Such a structure is capable of picking up the thread ends of the full thread reel as disclosed in CN111392512a, but such a structure cannot perform the feeding operation of the empty thread reel at the time of thread picking.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a thread take-up assembly and thread end tightening equipment.

The aim of the utility model is achieved by the following technical scheme:

the thread take-up assembly comprises a thread take-up lever, the axis of the thread take-up lever extends longitudinally, the thread take-up lever is connected with a lifting device which drives the thread take-up lever to move longitudinally, the lifting device is connected to the side part of a rotating mechanism and is driven by the lifting device to rotate around the axis of the rotating mechanism, the thread take-up lever extends to the lower part of the rotating mechanism, the rotating mechanism is arranged on a swinging mechanism, and the swinging mechanism drives the rotating mechanism to swing horizontally.

Preferably, in the thread take-up assembly, the thread take-up lever is a circular tube.

Preferably, in the thread take-up assembly, an annular groove coaxial with the thread take-up lever is formed on an outer wall of the thread take-up lever.

Preferably, in the thread take-up assembly, the depth of the circular groove increases gradually from both ends to the middle.

Preferably, in the thread take-up assembly, the lifting device is a servo linear module capable of driving the thread take-up lever to be adjusted to be higher in an electrodeless mode.

Preferably, in the thread take-up assembly, the swinging mechanism comprises a base, a turntable is arranged on the base, the turntable is connected with a swinging plate, and the swinging plate is provided with the rotating mechanism close to the outer end of the swinging plate.

Preferably, in the thread take-up assembly, the lifting device and the thread take-up lever are located below the swinging plate.

A thread end tightening device comprising a thread take-up assembly as claimed in any one of the preceding claims.

The technical scheme of the utility model has the advantages that:

the thread take-up assembly can be effectively matched with the spool rotating mechanism and the thread end clamping mechanism under the thread to realize thread screwing under the thread, and at the moment, the thread take-up assembly can normally feed the thread through the grabbing mechanism in the prior art, so that the efficiency is improved, and meanwhile, the structure can effectively meet the movement of the full thread spool on the spool rotating mechanism.

The annular groove on the thread take-up lever can effectively limit threads during thread take-up, and meanwhile, when the thread take-up lever is separated from the threads lifted by the thread take-up lever, the thread take-up lever cannot be blocked with the threads, so that the thread take-up lever and the threads are smoothly separated.

Drawings

FIG. 1 is a perspective view of a take-up assembly of the present utility model;

fig. 2 is a perspective view of the thread end tightening device of the present utility model;

FIG. 3 is a perspective view of the spool rotation driving mechanism of the present utility model

Fig. 4 is a perspective view of a first view of the thread end tightening mechanism of the present utility model;

fig. 5 is a perspective view of a second view of the thread end tightening mechanism of the present utility model;

FIG. 6 is a perspective view of the shaft of the thread end tightening mechanism of the present utility model;

fig. 7 is a perspective view of a wire clamping jaw of the wire end tightening mechanism of the present utility model.

Detailed Description

The objects, advantages and features of the present utility model are illustrated and explained by the following non-limiting description of preferred embodiments. These embodiments are only typical examples of the technical scheme of the utility model, and all technical schemes formed by adopting equivalent substitution or equivalent transformation fall within the scope of the utility model.

In the description of the embodiments, it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in the specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the scheme, the direction approaching the operator is the near end, and the direction separating from the operator is the far end, with reference to the operator.

The present utility model will be described with reference to the accompanying drawings, and as shown in fig. 1, the present utility model includes a take-up lever 1, an axis of the take-up lever 1 extends in a longitudinal direction, the take-up lever 1 is connected to a lifting device 2 driving the take-up lever 1 to move in a longitudinal direction, the lifting device 2 is connected to a side portion of a rotating mechanism 3 and is driven to rotate around an axis of the rotating mechanism 3 by the lifting device 2, the take-up lever 1 extends below the rotating mechanism 3, the rotating mechanism 3 is disposed on a swinging mechanism 4, and the swinging mechanism 4 drives the rotating mechanism 3 to swing horizontally.

As shown in fig. 1, the swinging mechanism 4 comprises a base 41, a turntable 42 is arranged on the base 41, the turntable 42 is connected with a swinging plate 43, and the swinging plate 43 is provided with the rotating mechanism 3 near the outer end of the swinging plate 43.

The rotating mechanism 3 may include a rotating platform and a turntable driven by the rotating platform to rotate, or the rotating mechanism 3 may include a gear motor and a turntable driven by the gear motor to rotate. As shown in fig. 1, in the present embodiment, the rotation mechanism 3 includes a driving motor 31 and a planetary gear train 32 driven by the driving motor, the external teeth of the planetary gear train 32 rotate, and the driving motor 31 is disposed above the swing plate 43.

As shown in figure 1, the lifting device 2 is a servo linear module or a hydraulic cylinder capable of driving the take-up lever 1 to adjust height steplessly, so that the twisting requirements of silk threads on spool wheels with different sizes can be effectively met. Of course, in other embodiments, the lifting device 2 may be an air cylinder, etc., and the lifting device 2 and the take-up lever 1 may be located below the swinging plate 43.

As shown in fig. 1, the take-up lever 1 is a circular tube, and an outer wall of the take-up lever 1 is formed with a circular groove 11 coaxial with the take-up lever 1. The depth of the annular groove 11 increases gradually from the two ends to the middle. The structure can effectively limit the thread through the circular groove 11 during thread taking-up, and simultaneously, when the thread taking-up lever 1 is separated from the lifted thread, the thread taking-up lever 1 cannot be blocked with the thread, so that the thread taking-up lever 1 and the thread take-up lever can be smoothly separated.

Example 2

This embodiment discloses a thread end tightening apparatus, as shown in fig. 2, which includes the thread take-up assembly 100 described above. The thread end tightening device further comprises a spool rotation driving mechanism 200, a thread end clamping mechanism 300 and a thread end tightening mechanism 400 which are matched with the thread taking-up assembly 100, wherein the thread taking-up assembly 100, the spool rotation driving mechanism 200, the thread end clamping mechanism 300 and the thread end tightening mechanism 400 are arranged on a base 500.

As shown in fig. 3, the spool rotation driving mechanism 200 includes a chuck 201 with an upward jaw and a chuck driving mechanism 202 for driving the chuck 201 to rotate, the chuck driving mechanism 202 includes a driven wheel 203 rotatably disposed on a support table 207 through a bearing, the driven wheel 203 is coaxial with the three-jaw chuck 201 and is a ring gear, the driven wheel 203 is further connected with an air slip ring or an electric slip ring coaxial therewith, and the air slip ring or the electric slip ring is used for supplying power or air to the three-jaw chuck 201. The driven wheel 203 is connected with a driving wheel 205 through a driving belt 204, the driving wheel 205 is connected with a first motor 206 for driving the driven wheel to rotate, and the first motor 206 is arranged at the bottom of the bedplate of the supporting table 207.

As shown in fig. 3, the supporting table 207 is further provided with a tensioning wheel 208 for tensioning the driving belt 204, the tensioning wheel 208 is rotatably arranged on a tensioning block 209, and the tensioning block 209 is adjustably arranged in a limiting groove 210 on the platen.

As shown in fig. 2, the thread end clamping mechanism 300 is disposed on the left side of the spool rotation driving mechanism 200, and includes a thread clamping jaw 301 and a linear moving device 302 that drives the thread clamping jaw 301 to translate along the direction perpendicular to the axis of the three-jaw chuck 201, where the thread clamping jaw 301 is a pneumatic jaw, two jaws of the pneumatic jaw move longitudinally to open and close and face the spool rotation driving mechanism, and the height of the thread clamping jaw 301 is higher than the top of the spool rotation driving mechanism 200, and its specific height can be adaptively adjusted according to the position of the thread between the paying-off mechanism and the full wheel when the winding machine stops winding. The clamping jaw 301 is connected with the linear moving device 302 through a switching block 303, and the linear moving device 302 can be a cylinder, a hydraulic cylinder or a servo linear module and other feasible devices.

As shown in fig. 4, the thread end tightening mechanism 400 is disposed beside the full wheel rotation mechanism 200 and is used for tightening the thread lifted by the thread take-up lever 1, and includes a moving mechanism 401 and a thread tightening mechanism 402 driven to move by the moving mechanism. The moving mechanism 401 can drive the screwing mechanism to translate at least along a first linear moving mechanism 403 perpendicular to the axis of the three-jaw chuck 201, the moving mechanism is further connected with a second linear moving mechanism 404 which drives the screwing mechanism to longitudinally lift, and the first linear moving mechanism 403 and the second linear moving mechanism 404 can adopt an air cylinder and a servo linear module as driving sources.

As shown in fig. 4 and fig. 5, the second linear moving mechanism 404 is connected to the wire twisting mechanism 402, the wire twisting mechanism 402 includes a mounting frame 405, and a rotating shaft 406 having an axis extending in a direction perpendicular to the axis of the three-jaw chuck is rotatably disposed on the mounting frame 405.

As shown in fig. 5, the rotating shaft 406 is rotatably disposed on the mounting frame 405 through a bearing (not shown in the drawing), meanwhile, a driven pulley 407 is coaxially sleeved on the rotating shaft 406, the driven pulley 407 is connected with a driving wheel 409 through a belt 408, the driving wheel 409 is coaxially connected to a motor shaft of a second motor 410, and the second motor 410 is fixed on the mounting frame 405.

As shown in fig. 5, one end of the rotating shaft 406 facing the full wheel fixing assembly 201 is connected with a wire twisting holder 411, and when the second motor 410 works, the rotating shaft 406 is driven to rotate so as to drive the wire twisting holder 411 to rotate to twist wires.

As shown in fig. 6, the rotating shaft 406 has a central hole 412 extending along an axial direction thereof, a through hole 413 communicating with the central hole 412 is formed on a side wall of the rotating shaft 406, a connecting disc 414 is disposed at a lower end of the rotating shaft 406, and a wire and a tube pass through the central hole 412 and the through hole 413 to be connected with the wire twisting holder 411, so that the scattering of the pipeline can be avoided, the exposure of the pipeline can be reduced, and the problem that the pipeline is greatly swung in a rotating process can be avoided.

As shown in fig. 5, the wire twisting holder 411 may be a known pneumatic clamping jaw or an electric clamping jaw, for example, the pneumatic clamping jaw comprises a clamping jaw cylinder 415 and two clamping jaw bodies 416 driven by the clamping jaw cylinder 415, the clamping jaw cylinder 415 is coaxial with the rotating shaft 406, that is, the axis of the rotating shaft 406 passes through the center of the top of the clamping jaw cylinder 415, and meanwhile, the clamping jaw bodies 416 are symmetrically distributed on two radial sides of the rotating shaft 406, so that the wire clamped by the wire twisting holder 411 can be effectively prevented from being greatly thrown when the wire is twisted.

As shown in fig. 7, the claw body 416 is preferably C-shaped, the inner side of the clamping portion 417 of one of the two claw bodies 416 is provided with a protrusion 418, the inner side of the clamping portion 417 of the other claw body is provided with two ribs 419, the space between the two ribs 419 is equal to the width of the protrusion 418, and when the two claw bodies 416 are closed, the protrusion 418 is embedded between the two ribs 419, so that during clamping, the cooperation between the protrusion 418 and the ribs 419 can effectively improve the clamping stability of the wire, thereby ensuring effective threading.

As shown in fig. 5, for convenience in supplying power or gas or liquid to the wire twisting holder 411, the rotating shaft 406 is connected to a slip ring 420 coaxial therewith, and the slip ring 420 is fixed to the mounting frame 405. The slip ring 420 may be a known gas slip ring or an electrical slip ring. One end of the slip ring 420, which is opposite to the full wheel rotation mechanism 200, is connected to the mounting frame 405 through a connecting piece 421, and the opposite end is connected to the end of the rotating shaft 406 through a C-shaped adapter piece 422.

The utility model has various embodiments, and all technical schemes formed by equivalent transformation or equivalent transformation fall within the protection scope of the utility model.

Claims

1. Take-up assembly, its characterized in that: the thread take-up device comprises a thread take-up lever, wherein the axis of the thread take-up lever extends along the longitudinal direction, the thread take-up lever is connected with a lifting device which drives the thread take-up lever to move along the longitudinal direction, the lifting device is connected to the side part of a rotating mechanism and is driven by the lifting device to rotate around the axis of the rotating mechanism, the thread take-up lever extends to the lower part of the rotating mechanism, the rotating mechanism is arranged on a swinging mechanism, and the swinging mechanism drives the rotating mechanism to swing horizontally.

2. The take-up assembly according to claim 1, wherein: the thread take-up lever is a circular tube.

3. The take-up assembly according to claim 2, wherein: the outer wall of the thread take-up lever is provided with a circular groove coaxial with the thread take-up lever.

4. A take-up assembly according to claim 3, wherein: the depth of the circular groove is gradually increased from the two ends to the middle.

5. The take-up assembly according to claim 1, wherein: the lifting device is a servo linear module capable of driving the take-up lever to be adjusted up in an electrodeless mode.

6. The take-up assembly according to claim 1, wherein: the swinging mechanism comprises a base, a turntable is arranged on the base, the turntable is connected with a swinging plate, and the swinging plate is provided with a rotating mechanism close to the outer end of the swinging plate.

7. The take-up assembly according to claim 6, wherein: the lifting device and the take-up lever are positioned below the swinging plate.

8. The equipment is screwed up to end of a thread, its characterized in that: comprising a take-up assembly as claimed in any one of claims 1 to 7.