CN218491933U

CN218491933U - Adjustable tension let-off motion of knitted grey cloth

Info

Publication number: CN218491933U
Application number: CN202222128990.XU
Authority: CN
Inventors: 王明仁
Original assignee: Xunda Fujian Weaving Co ltd
Current assignee: Xunda Fujian Weaving Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2023-02-17
Anticipated expiration: 2032-08-11

Abstract

The utility model discloses an adjustable tension let-off mechanism of knitting grey cloth, including having the regulating cabinet in advance cloth hole and go out the cloth hole, regulating cabinet is internal to have first adjustment mechanism and second adjustment mechanism, first guiding wheel of first adjustment mechanism and knitting grey cloth's lower surface contact, second adjustment mechanism's second guiding wheel and knitting grey cloth's upper surface contact. The utility model discloses make the let-off tension adjust convenient, reliable.

Description

Adjustable tension let-off motion of knitted grey cloth

Technical Field

The utility model relates to the technical field of textile machinery, concretely relates to adjustable tension let-off mechanism of knitting grey cloth.

Background

In the process of producing the elastic grey cloth, warp yarns are unwound from a warp beam and are sent into a warp knitting system according to a certain warp feeding amount to be knitted by a warp knitting device, and the process is called warp feeding. When warp yarn unwinds from the warp beam, the tension of yarn is undulant, unstable, and when warp let-off tension is less, not only the fabric is loose, and can not conveniently adjust the tension of the looped fabric of producing when transporting the rolling, can not tighten up the looped fabric, influences the production of looped fabric, and when warp let-off tension is great, the yarn is easy to break, therefore can seriously influence cloth cover quality when warp let-off tension is improper.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an adjustable tension let-off mechanism of knitting grey cloth to solve above-mentioned technical problem.

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

a knitted fabric tension-adjustable let-off device comprises an adjusting case with a fabric inlet hole and a fabric outlet hole, wherein a first adjusting mechanism and a second adjusting mechanism are arranged in the adjusting case, a first guide wheel of the first adjusting mechanism is in contact with the lower surface of a knitted fabric, and a second guide wheel of the second adjusting mechanism is in contact with the upper surface of the knitted fabric.

Furthermore, the first adjusting mechanism further comprises a swing rod with one end pivoted on the adjusting case and a rotary driving piece pivoted in the adjusting case, a convex shaft is arranged on a convex rod of the rotary driving piece, the convex shaft slides along a guide groove on the swing rod, and the first guide wheel is pivoted on the free end of the swing rod.

Furthermore, the second adjusting mechanism comprises a cam turntable pivoted in the adjusting case and an adjusting rod arranged in the adjusting case in a floating manner, the cam turntable is abutted against the top of the adjusting rod, the second guide wheel is pivoted at the bottom of the adjusting rod, and an elastic mechanism for driving the adjusting rod to move upwards and reset is arranged between the adjusting rod and the adjusting case.

Furthermore, the top of the adjusting rod is provided with a top plate which is abutted to the cam turntable, the elastic mechanism is sleeved with a reset spring on the adjusting rod, the reset spring is abutted between the top plate and a limiting support, and the adjusting rod is arranged on the limiting support.

Still further, the cam carousel includes first fan-shaped portion, cam portion and second fan-shaped portion along the annular distributes in proper order, the radius of first fan-shaped portion is less than the radius of second fan-shaped portion.

Furthermore, the cam turntable is connected with a coaxially fixed driven pulley, the rotary driving piece is connected with a coaxially fixed driving pulley, the driving pulley is connected with the driven pulley through a transmission belt, and the driving pulley is connected with a driving motor.

Further, the first adjusting mechanism is close to the cloth feeding hole.

Furthermore, a guiding wheel contacting with the upper surface of the knitted fabric is arranged at the cloth inlet, and a guiding wheel contacting with the lower surface of the knitted fabric is arranged at the cloth outlet.

According to the above technical solution, the utility model has the advantages that: through setting up first adjustment mechanism and second adjustment mechanism, make let-off tension can obtain effectual regulation, and two adjustment mechanism make regulating speed fast, can the quick tensioning, make cloth cover stable in quality, and can overcome the technical defect that adjusting module suddenly became invalid.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

Fig. 2 is an enlarged schematic view of the structure at a of the present invention.

Fig. 3 is an enlarged schematic view of the structure at B of the present invention.

List of reference numerals: the cloth feeding device comprises an adjusting case 1, a cloth feeding hole 11, a cloth discharging hole 12, a guiding-in wheel 2, a guiding-out wheel 3, a first adjusting mechanism 4, a driving motor 41, a driving belt pulley 42, a transmission belt 43, a rotary driving piece 44, a convex rod 441, a convex shaft 442, a swing rod 45, a guide groove 451, a first guide wheel 46, a fixed rod 47, a second adjusting mechanism 5, a driven belt pulley 51, a cam turntable 52, a first sector 521, a cam 522, a second sector 523, a top plate 53, a return spring 54, an adjusting rod 55, a second guide wheel 56 and a limiting bracket 6.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As further explained in the present application with reference to fig. 1 to 3, an adjustable tension let-off device for knitted fabric shown in fig. 1 includes an adjusting case 1 having a cloth inlet hole 11 and a cloth outlet hole 12, the adjusting case 1 having a first adjusting mechanism 4 and a second adjusting mechanism 5 therein, a first guide wheel 46 of the first adjusting mechanism 4 contacting a lower surface of the knitted fabric, and a second guide wheel 56 of the second adjusting mechanism 5 contacting an upper surface of the knitted fabric. During adjustment, the first guide wheel 46 moves upwards, the second guide wheel 56 moves downwards, and the two adjusting mechanisms can overcome the technical defect of sudden failure of the adjusting module.

Specifically, the first adjusting mechanism 4 is close to the cloth inlet hole 11, the cloth inlet hole 11 is provided with a guide-in wheel 2 contacting with the upper surface of the knitted fabric, and the cloth outlet hole 12 is provided with a guide-out wheel 3 contacting with the lower surface of the knitted fabric. Reliable guiding is realized, warp yarns cannot be in direct contact with the adjusting case 1, and the influence on the quality of a cloth cover due to abrasion damage is avoided.

As shown in fig. 2, the first adjusting mechanism 4 further includes a swing rod 45 having one end pivotally connected to the adjusting case 1 and a rotary driving member 44 pivotally connected to the adjusting case 1, a protruding shaft 442 is disposed on a protruding rod 441 of the rotary driving member 44, the protruding shaft 442 slides along a guiding slot 451 disposed on the swing rod 45, and the first guiding wheel 46 is pivotally connected to a free end of the swing rod 45. When the rotary driving member 44 rotates, the protruding rod 441 is driven to rotate, and the protruding shaft 442 drives the swing rod 45 to swing, so as to drive the first guiding wheel 46 to move, thereby realizing let-off tension adjustment.

Specifically, a fixing rod 47 is connected in the adjusting case 1, and one end of the swing rod 45 is pivotally connected to the fixing rod 47.

As shown in fig. 3, the second adjusting mechanism 5 includes a cam rotating disc 52 pivoted in the adjusting case 1 and an adjusting rod 55 floatingly disposed in the adjusting case 1, the cam rotating disc 52 abuts against the top of the adjusting rod 55, the second guiding wheel 56 is pivoted at the bottom of the adjusting rod 55, and an elastic mechanism for driving the adjusting rod 55 to move up and back is disposed between the adjusting rod 55 and the adjusting case 1. When the cam turntable 52 rotates, the adjusting rod 55 can be pushed to move downwards to enable the elastic mechanism to generate elastic deformation, and when the second guide wheel 56 is pressed downwards, the let-off tension is adjusted.

This application is concrete, adjust pole 55 top have with roof 53 that cam carousel 52 contradicts, elastic mechanism establishes for the cover reset spring 54 on adjusting pole 55, reset spring 54 contradicts between roof 53 and the spacing support 6, it sets up to adjust pole 55 on the spacing support 6.

The cam rotating disc 52 comprises a first sector 521, a cam 522 and a second sector 523 which are distributed in an annular shape in sequence, wherein the radius of the first sector 521 is smaller than that of the second sector 523. When the first and

second segments

521 and 523 contact the adjustment lever 55, the position of the adjustment lever 55 is not adjusted within the first segment 521 and the second segment 523, and the cam portion 522 contacts the adjustment lever 55 to achieve the adjustment function.

This application is concrete, be connected with coaxial fixed driven pulley 51 on the cam carousel 52, be connected with coaxial fixed drive pulley 42 on the rotary driving piece 44, drive pulley 42 pass through driving belt 43 with driven pulley 51 connects, drive pulley 42 is connected with driving motor 41. When the first sector 521 is in contact with the adjusting rod 55, only the first adjusting mechanism 4 is in adjusting operation when the driving motor 41 is in operation, when the cam 522 is in contact with the adjusting rod 55, only the first adjusting mechanism 4 and the second adjusting mechanism 5 are in adjusting operation when the driving motor 41 is in operation, when the second sector 523 is in contact with the adjusting rod 55, only the first adjusting mechanism 4 is in adjusting operation when the driving motor 41 is in operation, when the first adjusting mechanism 4 works alone, fine adjustment requirements can be met, adjustment is reliable, excessive tension caused by adjustment overshoot is avoided, and when the first adjusting mechanism 4 and the second adjusting mechanism 5 work simultaneously, rapid adjustment can be achieved, so that the quality of the fabric is stable.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. 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 warp feeding device capable of adjusting tension of the knitted grey cloth comprises an adjusting machine box (1) with a cloth inlet hole (11) and a cloth outlet hole (12), and is characterized in that a first adjusting mechanism (4) and a second adjusting mechanism (5) are arranged in the adjusting machine box (1), a first guide wheel (46) of the first adjusting mechanism (4) is in contact with the lower surface of the knitted grey cloth, and a second guide wheel (56) of the second adjusting mechanism (5) is in contact with the upper surface of the knitted grey cloth.

2. A knitted blank adjustable tension let-off device according to claim 1, wherein said first adjusting mechanism (4) further comprises a swing link (45) having one end pivotally connected to said adjusting case (1) and a rotary driving member (44) pivotally connected to said adjusting case (1), a protruding shaft (442) is provided on a protruding rod (441) of said rotary driving member (44), said protruding shaft (442) slides along a guide groove (451) provided on said swing link (45), and said first guide wheel (46) is pivotally connected to a free end of said swing link (45).

3. The knitted blank adjustable tension let-off device according to claim 2, wherein the second adjusting mechanism (5) comprises a cam rotating disc (52) pivoted in the adjusting case (1) and an adjusting bar (55) arranged in the adjusting case (1) in a floating manner, the cam rotating disc (52) is abutted against the top of the adjusting bar (55), the second guide wheel (56) is pivoted at the bottom of the adjusting bar (55), and an elastic mechanism for driving the adjusting bar (55) to move upwards and return is arranged between the adjusting bar (55) and the adjusting case (1).

4. Knitted blank adjustable tension let-off device according to claim 3, characterized in that the top of the adjusting lever (55) has a top plate (53) abutting against the cam wheel (52), the elastic means is a return spring (54) sleeved on the adjusting lever (55), the return spring (54) abuts between the top plate (53) and the spacing bracket (6), and the adjusting lever (55) is arranged on the spacing bracket (6).

5. A knitted blank adjustable tension let-off device according to claim 3, wherein the cam rotor (52) comprises a first sector (521), a cam (522) and a second sector (523) distributed in a circle in sequence, the radius of the first sector (521) being smaller than the radius of the second sector (523).

6. A knitted blank adjustable tension let-off device according to claim 3, wherein a coaxially fixed driven pulley (51) is connected to the cam carousel (52), a coaxially fixed drive pulley (42) is connected to the rotary drive member (44), the drive pulley (42) is connected to the driven pulley (51) by a drive belt (43), and the drive pulley (42) is connected to the drive motor (41).

7. A knitted blank adjustable tension let-off device according to claim 1, wherein said first adjustment means (4) is located adjacent said feed aperture (11).

8. The warp let-off device with adjustable tension of knitted blank according to claim 7, characterized in that the cloth feeding hole (11) is provided with a leading-in wheel (2) contacting with the upper surface of the knitted blank, and the cloth discharging hole (12) is provided with a leading-out wheel (3) contacting with the lower surface of the knitted blank.