Elastic weft tension control device

Abstract

The utility model belongs to the technical field of tension control, and particularly relates to an elastic weft yarn tension control device which comprises a bottom plate, a tensioning mechanism is arranged on the bottom plate, a support is arranged on the tensioning mechanism, a tensioning roller is arranged on the support, a frame is fixedly connected to the upper end of the bottom plate, a sliding frame is connected to the interior of the frame in a sliding mode, and the sliding frame is arranged on the bottom plate. And a pressing roller is arranged on the sliding frame, and an adjusting mechanism is arranged on the sliding frame. According to the scheme, the two-way screw and the pressing plate are rotated to do threaded motion, so that the spring elastically presses the sliding seat, the sliding frame drives the pressing rollers to move, the two pressing rollers elastically extrude weft yarn, the weft yarn is subjected to resistance in the moving and machining process, the weft yarn is kept straight, and the weft yarn can be straightened by changing the distance between the pressing rollers. The extrusion force is adjusted to control the tension of the weft yarns.

Description

TECHNICAL FIELD

[0001] The scheme belongs to the field of tension control, and particularly relates to an elastic weft tension control device. BACKGROUND

[0002] The utility model discloses a weft tension control device for air-jet loom, including base, is equipped with the inertia wheel that is rotationally coupled with the base through the pivot, the friction wheel that is opposite to the inertia wheel is arranged, the weft channel that is used for the weft threading is equipped with between the inertia wheel perimeter wall and the friction wheel, the driving mechanism for driving the friction wheel is pressed to the inertia wheel perimeter wall on the weft of driving mechanism, in the utility model, the friction wheel can be driven to move towards the inertia wheel, and the weft is located in the weft channel, then the friction wheel can press the weft to the inertia wheel perimeter wall, and the friction wheel exerted on the weft can be realized through the control driving mechanism, namely the axial distance between the friction wheel and the inertia wheel determines the force that the weft receives.

[0003] But the prior art has certain deficiency, the elastic weft tension control device in the prior art is loose when weft feeding, and is easy to entangle and knot, and simultaneously, the weft has elasticity, and the tension of the weft is inconvenient to control change. Content of the utility model

[0004] The purpose of the scheme is to provide the elastic weft tension control device to solve the problem that the weft is loose when weft feeding, and is easy to entangle and knot, and simultaneously, the weft has elasticity, and the tension of the weft is inconvenient to control change.

[0005] In order to achieve the above purpose, the elastic weft tension control device is provided, including bottom plate, the bottom plate is provided with the tensioning mechanism, the tensioning mechanism is provided with the support, the support is provided with the tensioning roller, the upper end of the bottom plate is fixedly connected with the frame, the inside of the frame is slidably connected with the sliding frame, the sliding frame is provided with the compression roller, the sliding frame is provided with the adjusting mechanism.

[0006] The principle of the scheme is that when in use, the weft yarn passes below the tensioning roller, then passes between the two compression rollers, and then enters the inside of the processing device. The bidirectional screw is manually rotated, the bidirectional screw rotates and the pressing plate moves in screw threads, so that the pressing plate moves towards the limiting plate, the pressing plate moves to extrude the spring, the spring elastically presses the sliding seat, the sliding seat drives the sliding frame to move, so that the sliding frame drives the compression roller to move, the two compression rollers elastically extrude the weft yarn, so that the weft yarn is subjected to resistance in the moving processing process, and the weft yarn is kept straightened. Then the screw ring is rotated, the screw ring rotates and the supporting barrel move in screw threads, so that the screw ring moves downward, the sliding pin moves with the screw ring, the compression ring moves with the sliding pin, so that the compression ring extrudes the compression spring, the compression spring elastically presses the sliding plate downward, so that the support can elastically pull down the tensioning roller, and the weft yarn passing below the tensioning roller is tensioned, so as to avoid the weft yarn from being wound and knotted due to too loose.

[0007] The technical effect of the scheme is that the screw ring and the supporting barrel move in screw threads, so that the sliding pin drives the compression ring to move, the compression spring elastically presses the sliding plate downward, and the support can elastically pull down the tensioning roller, so that the weft yarn passing below the tensioning roller is tensioned, and the weft yarn is prevented from being wound and knotted due to too loose.

[0008] The bidirectional screw and the pressing plate move in screw threads, so that the spring elastically presses the sliding seat, the sliding frame drives the compression roller to move, the two compression rollers elastically extrude the weft yarn, so that the weft yarn is subjected to resistance in the moving processing process, and the weft yarn is kept straightened. The spacing between the compression rollers is changed to adjust the extrusion degree, and the tension of the weft yarn is controlled.

[0009] Further, the tensioning mechanism comprises a supporting barrel, the upper end of the bottom plate is fixedly connected with the supporting barrel, the inside of the supporting barrel is slidably connected with a square rod, the lower end of the square rod is fixedly connected with a sliding plate, the sliding plate and the supporting barrel are slidably connected, the square rod and the support are fixedly connected, the outer side of the square rod is slidably connected with a compression ring, the compression ring and the supporting barrel are slidably connected, the outer side of the square rod is provided with a compression spring, the surface of the compression ring is fixedly connected with a sliding pin, and the sliding pin and the supporting barrel are slidably connected. The screw ring and the supporting barrel move in screw threads, so that the sliding pin drives the compression ring to move, the compression spring elastically presses the sliding plate downward, the support can elastically pull down the tensioning roller, the weft yarn passing below the tensioning roller is tensioned, and the weft yarn is prevented from being wound and knotted due to too loose.

[0010] Further, one end of the compression spring is fixedly connected with the compression ring, and the other end of the compression spring is fixedly connected with the sliding plate. The spring is arranged to elastically press the sliding plate downward.

[0011] Further, the outer side of the supporting barrel is threadedly connected with a screw ring, and the screw ring and the sliding pin are slidably connected. The screw ring is arranged to control the movement of the sliding pin.

[0012] Further, the adjusting mechanism comprises a sliding seat, the surface of the sliding seat is fixedly connected with the sliding seat, the sliding seat and the frame are slidably connected, a bidirectional screw rod is movably connected in the sliding seat, a pressing plate is threadedly connected to the outer side of the bidirectional screw rod, the pressing plate and the frame are slidably connected, and springs are arranged on the outer side of the bidirectional screw rod. The bidirectional screw rod and the pressing plate are threadedly moved, the springs elastically press the sliding seat, the sliding seat drives the compression rollers to move, the two compression rollers elastically press the weft yarn, the weft yarn is subjected to resistance in the moving process, and the weft yarn is kept straightened.

[0013] Further, the rear end of the frame is fixedly connected with a limiting plate, and the limiting plate and the bidirectional screw rod are slidably connected. The limiting plate is arranged to prevent the bidirectional screw rod from moving.

[0014] Further, one end of the spring is fixedly connected with the sliding seat, and the other end of the spring is fixedly connected with the pressing plate. The spring is arranged to prevent the weft yarn from being broken due to excessive extrusion force between the two compression rollers. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure perspective view of the elastic weft yarn tension control device of the embodiment of the present application.

[0016] Figure 2 It is a rear view of the elastic weft yarn tension control device of the embodiment of the present application. Figure 1

[0017] Figure 3 It is a support cylinder sectional view in the elastic weft yarn tension control device of the embodiment of the present application. Figure 1

[0018] Figure 4 It is an enlarged view of A in the elastic weft yarn tension control device of the embodiment of the present application. Figure 2

[0019] The following is further described in detail through a specific embodiment:

[0020] The reference signs in the drawings of the specification comprise: 1, bottom plate; 2, tensioning mechanism; 3, support; 4, tensioning roller; 5, frame; 6, sliding seat; 7, compression roller; 8, adjusting mechanism; 21, support cylinder; 22, square rod; 23, sliding plate; 24, compression ring; 25, compression spring; 26, sliding pin; 27, screw ring; 81, sliding seat; 82, bidirectional screw rod; 83, limiting plate; 84, pressing plate; 85, spring. DETAILED DESCRIPTION

[0021] The embodiment is basically as Figure 1 , Figure 2 ​​​As shown in the figure, the embodiment provides an elastic weft tension control device, which comprises a base plate 1, a tensioning mechanism 2 arranged on the base plate 1, a support 3 arranged on the tensioning mechanism 2, a tensioning roller 4 arranged on the support 3, a frame 5 fixedly connected to the upper end of the base plate 1, a sliding frame 6 slidingly connected to the inside of the frame 5, a compression roller 7 arranged on the sliding frame 6, and an adjusting mechanism 8 arranged on the sliding frame 6.

[0022] As shown in the figure, Figure 1 , Figure 2 , Figure 3 As shown in the figure, the tensioning mechanism 2 comprises a support cylinder 21, the upper end of the base plate 1 is fixedly connected with the support cylinder 21, a square rod 22 is slidingly connected to the inside of the support cylinder 21, a sliding plate 23 is fixedly connected to the lower end of the square rod 22, the sliding plate 23 is slidingly connected with the support cylinder 21, the square rod 22 is fixedly connected with the support 3, a compression ring 24 is slidingly connected to the outside of the square rod 22, the compression ring 24 is slidingly connected with the support cylinder 21, a compression spring 25 is arranged on the outside of the square rod 22, one end of the compression spring 25 is fixedly connected with the compression ring 24, the other end of the compression spring 25 is fixedly connected with the sliding plate 23, the sliding plate 23 is elastically pressed down by arranging the compression spring 25, a sliding pin 26 is fixedly connected to the surface of the compression ring 24, the sliding pin 26 is slidingly connected with the support cylinder 21, a screw ring 27 is threadedly connected to the outside of the support cylinder 21, the screw ring 27 is slidingly connected with the sliding pin 26, the sliding pin 26 is moved by arranging the screw ring 27, the screw ring 27 and the support cylinder 21 are threadedly moved by rotating, thereby making the sliding pin 26 drive the compression ring 24 to move, thereby making the compression spring 25 elastically press the sliding plate 23, thereby making the support 3 elastically pull down the tensioning roller 4, thereby making the weft passing below the tensioning roller 4 be tensioned, avoiding the weft being too loose to cause entanglement and knot between the weft.

[0023] As shown in the figure, Figure 1 , Figure 2 , Figure 4 As shown in the figure, the adjusting mechanism 8 comprises a sliding seat 81, the surface of the sliding frame 6 is fixedly connected with the sliding seat 81, the sliding seat 81 is slidingly connected with the frame 5, a bidirectional screw rod 82 is movably connected to the inside of the sliding seat 81, a limiting plate 83 is fixedly connected to the rear end of the frame 5, the limiting plate 83 is slidingly connected with the bidirectional screw rod 82, the bidirectional screw rod 82 is prevented from moving by arranging the limiting plate 83, a pressing plate 84 is threadedly connected to the outside of the bidirectional screw rod 82, the pressing plate 84 is slidingly connected with the frame 5, a spring 85 is arranged on the outside of the bidirectional screw rod 82, one end of the spring 85 is fixedly connected with the sliding seat 81, the other end of the spring 85 is fixedly connected with the pressing plate 84, the spring 85 is arranged to avoid the two compression rollers 7 being pressed too hard to cause the weft to be broken, the spring 85 elastically presses the sliding seat 81 by threadedly moving the bidirectional screw rod 82 and the pressing plate 84, thereby making the sliding frame 6 drive the compression roller 7 to move, making the two compression rollers 7 elastically press the weft, thereby making the weft be kept straight during the moving process.

[0024] The utility model discloses specific implementation process: when using, the weft yarn is passed through the below tensioning roller 4, and then is passed through between two compression rollers 7, and then enters the inside processing device, and manually rotates two -way screw rod 82, and two -way screw rod 82 rotates and the threaded motion of pressing plate 84, and then make pressing plate 84 move to the direction of spacing plate 83, and the extrusion spring 85 of pressing plate 84 moves, and make spring 85 the elastic compression of sliding seat 81, and sliding seat 81 drives the movement of sliding frame 6, and then make sliding frame 6 drive compression roller 7 move, and make two compression rollers 7 the elastic extrusion of weft yarn, and then make weft yarn receive resistance in the movement processing process, and make weft yarn keep being straightened, then rotate screw ring 27, and the threaded motion of support cylinder 21 of screw ring 27 rotates, and then make screw ring 27 move down, and screw ring 27 drive slide pin 26 move, and slide pin 26 drive pressure ring 24 move, and then make pressure ring 24 extrude pressure spring 25, and make pressure spring 25 the elastic depression of sliding plate 23, and then make support 3 can the elastic pull of tensioning roller 4 down, and then make the weft yarn that passes through the below tensioning roller 4 be tensioned, avoid too loose and lead to the entanglement knot between weft yarn.

[0025] Make the threaded motion of support cylinder 21 of screw ring 27 rotate, and then make slide pin 26 drive pressure ring 24 move, and then make pressure spring 25 the elastic depression of sliding plate 23, and then make support 3 can the elastic pull of tensioning roller 4 down, and then make the weft yarn that passes through the below tensioning roller 4 be tensioned, avoid too loose and lead to the entanglement knot between weft yarn.

[0026] Make the threaded motion of pressing plate 84 of two -way screw rod 82 rotate, and then make spring 85 the elastic compression of sliding seat 81, and then make sliding frame 6 drive compression roller 7 move, and make two compression rollers 7 the elastic extrusion of weft yarn, and then make weft yarn receive resistance in the movement processing process, and make weft yarn keep being straightened.

[0027] The above-mentioned is only the embodiment of the utility model, and the well-known specific structure and characteristics of scheme and the like are not described too much here. It should be pointed out that for those skilled in the art, without departing from the structure of the utility model, a number of deformations and improvements can be made, which should also be considered as the protection scope of the utility model, which will not affect the effect and practicality of the utility model. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A tension control device for elastic weft yarns, comprising a base plate, characterized in that: The bottom plate is provided with a tensioning mechanism, the tensioning mechanism is provided with a support, the support is provided with a tensioning roller, the upper end of the bottom plate is fixedly connected with a frame, the inside of the frame is slidably connected with a sliding frame, the sliding frame is provided with a compression roller, and the sliding frame is provided with an adjusting mechanism.

2. The elastic weft thread tension control device according to claim 1, characterized in that: The tensioning mechanism comprises a support cylinder, the upper end of the bottom plate is fixedly connected with the support cylinder, the inside of the support cylinder is slidably connected with a square rod, the lower end of the square rod is fixedly connected with a sliding plate, the sliding plate and the support cylinder are slidably connected, the square rod and the support are fixedly connected, the outer side of the square rod is slidably connected with a compression ring, the compression ring and the support cylinder are slidably connected, the outer side of the square rod is provided with a compression spring, the surface of the compression ring is fixedly connected with a sliding pin, and the sliding pin and the support cylinder are slidably connected.

3. The elastic weft thread tension control device of claim 2, wherein: One end of the compression spring is fixedly connected with the compression ring, and the other end of the compression spring is fixedly connected with the sliding plate.

4. The elastic weft thread tension control device of claim 2, wherein: The outer side of the support cylinder is threadedly connected with a screw ring, and the screw ring and the sliding pin are slidably connected.

5. The elastic weft thread tension control device of claim 1, wherein: The adjusting mechanism comprises a sliding seat, the surface of the sliding frame is fixedly connected with the sliding seat, the sliding seat and the frame are slidably connected, the inside of the sliding seat is movably connected with a bidirectional screw rod, the outer side of the bidirectional screw rod is threadedly connected with a pressing plate, the pressing plate and the frame are slidably connected, and the outer side of the bidirectional screw rod is provided with a spring.

6. The elastic weft thread tension control device of claim 5, wherein: The rear end of the frame is fixedly connected with a limiting plate, and the limiting plate and the bidirectional screw rod are slidably connected.

7. The elastic weft thread tension control device of claim 5, wherein: One end of the spring is fixedly connected with the sliding seat, and the other end of the spring is fixedly connected with the pressing plate.

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