CN214060828U

CN214060828U - Yarn tensioning device for computerized flat knitting machine

Info

Publication number: CN214060828U
Application number: CN202022556201.3U
Authority: CN
Inventors: 林水潮; 林煌扬
Original assignee: Shishi Hongyu Textile Technology Co ltd
Current assignee: Shishi Hongyu Textile Technology Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-08-27
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a yarn tensioning device for computerized flat knitting machine, which comprises a base and an adjusting mechanism, wherein a front supporting plate and a rear supporting plate are arranged on the base, the adjusting mechanism is arranged on the base and positioned between the front supporting plate and the rear supporting plate, the upper end of the adjusting mechanism is connected with a middle supporting plate, the adjusting mechanism comprises a support, the support is arranged on the base, a first square slider capable of moving along the horizontal direction and a second square slider capable of moving along the vertical direction are arranged in the support, the second square slider is positioned at the back of the first square slider, the middle supporting plate is connected with the upper end of the second square slider, the left end and the right end of the support are respectively provided with a driving mechanism and a reset mechanism, the driving mechanism can drive the first square slider to move left and right so as to drive the second square slider to move up and down, the utility model has the characteristics of convenient to use, machining efficiency are high.

Description

Yarn tensioning device for computerized flat knitting machine

Technical Field

The utility model relates to a flat-bed machine, concretely relates to a yarn overspeed device tensioner for computerized flat knitting machine.

Background

The computerized flat knitting machine is a double-needle-plate latch needle weft knitting machine, and can tension yarns through a tensioning device in the knitting process of the yarns, so that the knitting quality is better, however, the existing yarn tensioning device cannot adjust the tensioning force, so that the situation of yarn breakage caused by overlarge tensioning force can occur in the using process, and the overall knitting efficiency and quality are influenced.

Therefore, there is an urgent need for improvement of the existing tensioner.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a yarn overspeed device tensioner for computerized flat knitting machine to solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme:

a yarn tensioning device for a computerized flat knitting machine comprises a base and an adjusting mechanism, wherein a front supporting plate and a rear supporting plate are arranged on the base, the adjusting mechanism is arranged on the base and positioned between the front supporting plate and the rear supporting plate, the upper end of the adjusting mechanism is connected with a middle supporting plate, the adjusting mechanism comprises a support which is arranged on the base, a first square sliding block capable of moving along the horizontal direction and a second square sliding block capable of moving along the vertical direction are arranged in the support, the second square sliding block is positioned behind the first square sliding block, the middle supporting plate is connected with the upper end of the second square sliding block, and the left end and the right end of the support are respectively provided with a driving mechanism and a reset mechanism, and the driving mechanism can drive the first square sliding block to move left and right so as to drive the second square sliding block to move up and down.

Furthermore, a first notch is formed in the lower surface of the first square sliding block, a second notch is formed in the second square sliding block, a rotating wheel is arranged in the second notch, and the upper end of the rotating wheel abuts against the top wall of the first notch.

Furthermore, a plug is further arranged in the support, the plug is arranged in a second square hole formed in the lower end of the support, a first return spring is arranged on the plug, a top plate is arranged on the first return spring, and the top plate is located below the rotating wheel.

Furthermore, the driving mechanism comprises a support, the support is arranged on the left side of the support, a screw is arranged in the support, the end of the screw penetrates into the first square hole of the support and is connected with a push rod, a ball head is arranged at the end of the push rod, and the right end of the ball head abuts against the groove formed in the left end of the first square sliding block.

Furthermore, the reset mechanism comprises a cylinder, the cylinder is arranged on the right side of the support, a piston is arranged in the cylinder in a sliding mode, the left end of the piston is connected with a reset rod, and the left end of the reset rod is connected to the right end of the first square sliding block.

Furthermore, the screw is sleeved with a locking nut, a second return spring is further arranged in the cylinder, and two ends of the second return spring abut against and are held between the piston and the bottom wall of the cylinder.

Furthermore, a fixing rod is arranged on the second square sliding block, and the upper end of the fixing rod is connected with the middle supporting plate.

Furthermore, the front support plate is provided with a front roller, the rear support plate is provided with a rear roller, and the middle support plate is provided with a middle roller.

According to the above technical solution, the utility model has the advantages that:

1. the utility model discloses in be equipped with adjusting device, can adjust the tensile force to avoid appearing the cracked condition of yarn in the use, make and weave efficiency higher.

2. The utility model provides an adjustment mechanism is rational in infrastructure, can adjust the tensile force, and convenient to use to improve holistic practicality.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a portion a of fig. 1.

List of reference numerals: the device comprises a base 10, a front support plate 11, a front roller 12, a rear support plate 13, a rear roller 14, a middle support plate 15, a middle roller 16, an adjusting mechanism 20, a support 21, a first square hole 211, a second square hole 212, a first square slider 22, a first notch 221, a groove 222, a second square slider 23, a second notch 231, a rotating wheel 232, a fixed rod 233, a first return spring 24, a plug 25, a top plate 251, a driving mechanism 26, a bracket 261, a screw 262, a locking nut 263, a push rod 264, a ball head 265, a return mechanism 27, a cylinder 271, a piston 272, a second return spring 273 and a return rod 274.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

Referring to fig. 1 to 2, a yarn tensioning device for a computerized flat knitting machine as shown in fig. 1 and 2 includes a base 10 and an adjusting mechanism 20, a front support plate 11 and a rear support plate 13 are disposed on the base 10, the adjusting mechanism 20 is disposed on the base 10 and located between the front support plate 11 and the rear support plate 13, a middle support plate 15 is connected to an upper end of the adjusting mechanism 20, the adjusting mechanism 20 includes a support 21, the support 21 is disposed on the base 10, a first square slide block 22 capable of moving in a horizontal direction and a second square slide block 23 capable of moving in a vertical direction are disposed in the support 21, the second square slide block 23 is located behind the first square slide block 22, the middle support plate 15 is connected to an upper end of the second square slide block 23, a driving mechanism 26 and a reset mechanism 27 are disposed at left and right ends of the support 21 respectively, the driving mechanism 26 can drive the first square slider 22 to move left and right, so as to drive the second square slider 23 to move up and down.

Preferably, a first notch 221 is formed in the lower surface of the first square slider 22, a second notch 231 is formed in the second square slider 23, a rotating wheel 232 is arranged in the second notch 231, and the upper end of the rotating wheel 232 abuts against the top wall of the first notch 221.

Preferably, an end cap 25 is further disposed in the support 21, the end cap 25 can prevent the first return spring 24 from moving downward, the end cap 25 is disposed in a second square hole 212 formed in the lower end of the support 21, a first return spring 24 is disposed on the end cap 25, a top plate 251 is disposed on the first return spring 24, the top plate 251 is located below the rotating wheel 232, and the top plate 251 slides in the second square hole 212, so that the first return spring 24 can be squeezed to enable the first return spring 24 to have a reaction force, so as to improve a supporting effect of the fixing rod 233 on the middle roller 16, and a better tensioning effect is achieved.

Preferably, the driving mechanism 26 includes a bracket 261, the bracket 261 is disposed on the left side of the support 21, a screw 262 is disposed in the bracket 261, an end of the screw 262 extends into the first square hole 211 of the support 21 and is connected to a push rod 264, an end of the push rod 264 is provided with a ball 265, and a right end of the ball 265 abuts against the groove 222 formed at the left end of the first square slider 22.

Preferably, the reset mechanism 27 includes a cylinder 271, the cylinder 271 is disposed at the right side of the support 21, a piston 272 is slidably disposed in the cylinder 271, a reset rod 274 is connected to a left end of the piston 272, and a left end of the reset rod 274 is connected to a right end of the first square slider 22.

Preferably, a locking nut 263 is sleeved on the screw 262, a second return spring 273 is further disposed in the cylinder 271, two ends of the second return spring 273 are abutted between the piston 272 and the bottom wall of the cylinder 271, and the second return spring 273 can provide an acting force when the first square slider 22 returns, so as to further improve the tensioning effect.

Preferably, a fixing rod 233 is disposed on the second square slider 23, and an upper end of the fixing rod 233 is connected to the middle support plate 15.

Preferably, a front roller 12 is arranged on the front support plate 11, a rear roller 14 is arranged on the rear support plate 13, a middle roller 16 is arranged on the middle support plate 15, and yarns sequentially pass through the front roller 12, the middle roller 16 and the rear roller 14.

The working principle is as follows: when the yarn is loose, the screw 262 is rotated to make the screw 262 advance towards the direction close to the first square hole 211, at this time, the push rod 264 carries the ball head 265 to press the first square slider 22 rightwards, the first square slider 22 presses the rotating wheel 232 and the return mechanism 27, so that the second return spring 273 is compressed, the rotating wheel 232 carries the second square slider 23 to slide downwards, at this time, the first return spring 24 is compressed, the second square slider 23 slides downwards to carry the middle support plate 15 to move downwards, so that the middle roller 16 moves downwards, the middle roller 16 moves downwards to enlarge the distance between the front roller 12 and the rear roller 14, so that the yarn is tensioned, and when the yarn is tight, the screw 262 is rotated towards the opposite direction.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The yarn tensioning device for the computerized flat knitting machine is characterized by comprising a base (10) and an adjusting mechanism (20), wherein a front supporting plate (11) and a rear supporting plate (13) are arranged on the base (10), the adjusting mechanism (20) is arranged on the base (10) and located between the front supporting plate (11) and the rear supporting plate (13), a middle supporting plate (15) is connected to the upper end of the adjusting mechanism (20), the adjusting mechanism (20) comprises a support (21), the support (21) is arranged on the base (10), a first square sliding block (22) capable of moving in the horizontal direction and a second square sliding block (23) capable of moving in the vertical direction are arranged in the support (21), the second square sliding block (23) is located behind the first square sliding block (22), and the middle supporting plate (15) is connected to the upper end of the second square sliding block (23), the left end and the right end of the support (21) are respectively provided with a driving mechanism (26) and a reset mechanism (27), and the driving mechanism (26) can drive the first square sliding block (22) to move left and right so as to drive the second square sliding block (23) to move up and down.

2. The yarn tensioning device for the computerized flat knitting machine according to claim 1, characterized in that a first notch (221) is formed in the lower surface of the first square slider (22), a second notch (231) is formed in the second square slider (23), a rotating wheel (232) is arranged in the second notch (231), and the upper end of the rotating wheel (232) abuts against the top wall of the first notch (221).

3. The yarn tensioning device for the computerized flat knitting machine according to claim 2, characterized in that a plug (25) is further arranged in the support (21), the plug (25) is arranged in a second square hole (212) formed in the lower end of the support (21), a first return spring (24) is arranged on the plug (25), a top plate (251) is arranged on the first return spring (24), and the top plate (251) is located below the rotating wheel (232).

4. The yarn tensioning device for the computerized flat knitting machine according to claim 3, characterized in that the driving mechanism (26) comprises a bracket (261), the bracket (261) is arranged on the left side of the support (21), a screw (262) is arranged in the bracket (261), the end of the screw (262) extends into the first square hole (211) of the support (21) and is connected with a push rod (264), the end of the push rod (264) is provided with a ball head (265), and the right end of the ball head (265) abuts against the groove (222) formed in the left end of the first square slide block (22).

5. The yarn tensioning device for the computerized flat knitting machine according to claim 4, characterized in that the reset mechanism (27) comprises a cylinder (271), the cylinder (271) is arranged at the right side of the support (21), a piston (272) is arranged in the cylinder (271) in a sliding manner, a reset rod (274) is connected to the left end of the piston (272), and the left end of the reset rod (274) is connected to the right end of the first square sliding block (22).

6. The yarn tensioning device for the computerized flat knitting machine according to claim 5, characterized in that a locking nut (263) is sleeved on the screw (262), a second return spring (273) is further arranged in the cylinder body (271), and two ends of the second return spring (273) are abutted between the piston (272) and the bottom wall of the cylinder body (271).

7. The yarn tensioning device for the computerized flat knitting machine according to claim 6, wherein a fixing rod (233) is provided on the second square slider (23), and an upper end of the fixing rod (233) is connected to the middle support plate (15).

8. The yarn tensioning device for the computerized flat knitting machine according to claim 1, wherein a front roller (12) is arranged on the front support plate (11), a rear roller (14) is arranged on the rear support plate (13), and a middle roller (16) is arranged on the middle support plate (15).