Tensioning device

Abstract

The utility model belongs to the technical field of textile equipment, and particularly relates to a tensioning device which comprises a frame body, a lifting mechanism is arranged at the bottom of the frame body, and the frame body is sequentially provided with a first cloth guide roller assembly, a tensioning roller assembly and a second cloth guide roller assembly from top to bottom. The first cloth guide roller assembly comprises two first cloth guide rollers arranged on the same horizontal line, the second cloth guide roller assembly comprises two second cloth guide rollers arranged on the same horizontal line, the tensioning roller assembly comprises two tensioning rollers arranged on the same horizontal line, and an adjusting assembly is arranged between the two tensioning rollers. The adjusting assembly comprises a parallelogram adjusting piece and a telescopic motor, the left end and the right end of the parallelogram adjusting piece are fixedly connected with the two tensioning rollers correspondingly, and the upper end and the lower end of the parallelogram adjusting piece are fixedly connected with the two ends of the telescopic motor correspondingly. According to the tensioning roller assembly, the tensioning force is adjusted and controlled through the adjusting assembly composed of the two parallelogram adjusting pieces and the telescopic motor, the tensioning degree can be adjusted according to the characteristics of cloth, and the quality problem caused by excessive stretching or loosening is avoided.

Description

Technical Field

[0001] This utility model belongs to the field of textile equipment technology, and specifically relates to a tensioning device. Background Technology

[0002] In the textile and dyeing industry, fabric tensioning is a crucial step in ensuring the quality of subsequent processing. Traditional tensioning devices are typically simple in structure, providing only a fixed tension force and unable to be flexibly adjusted according to different fabric thicknesses, materials, and production needs. Furthermore, in actual operation, because the fabric's travel path is fixed, it is prone to shifting or wrinkling during transport, affecting the quality of the final product.

[0003] Therefore, this utility model is proposed. Utility Model Content

[0004] This utility model provides a tensioning device to solve the technical problems existing in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A tensioning device includes a frame with a lifting mechanism at its bottom. From top to bottom, the frame is provided with a first guide roller assembly, a tension roller assembly, and a second guide roller assembly. The first guide roller assembly includes two first guide rollers arranged on the same horizontal line. The second guide roller assembly includes two second guide rollers arranged on the same horizontal line. The tension roller assembly includes two tension rollers arranged on the same horizontal line. An adjusting assembly is provided between the two tension rollers. The adjusting assembly includes a parallelogram adjusting member and a telescopic motor. The left and right ends of the parallelogram adjusting member are fixedly connected to the two tension rollers, respectively, and the upper and lower ends of the parallelogram adjusting member are fixedly connected to the two ends of the telescopic motor, respectively.

[0007] Both ends of the tensioning roller are equipped with adjustment components.

[0008] The parallelogram adjusting component includes a first parallelogram adjusting component and a second parallelogram adjusting component that are overlapped; the frame is provided with a first sliding groove, and the tension roller is provided with connecting rods at both ends, the connecting rods passing through the first sliding groove and being fixedly connected to the first parallelogram adjusting component and the second parallelogram adjusting component.

[0009] The telescopic motor is positioned between the first parallelogram adjusting member and the second parallelogram adjusting member. The two ends of the telescopic motor are respectively provided with an upper connecting block and a lower connecting block, which are fixedly connected to the upper and lower ends of the first and second parallelogram adjusting members, respectively.

[0010] In the second guide roller assembly, one of the second guide rollers is provided with sliding components at both ends, and the sliding components are used to adjust the position of the second guide roller left and right.

[0011] The sliding assembly includes a second slide groove, a slider, a first lead screw, and a first rotary motor. The two ends of the first lead screw are respectively connected to the first rotary motor and the frame. The slider is sleeved on the first lead screw and is configured to cooperate with the second slide groove. The second guide roller is connected to the slider.

[0012] The lifting mechanism includes a support frame, a limiting groove and a second rotary motor on the support frame, and a drive gear on the rotating rod of the second rotary motor; a second lead screw is provided between the frame and the support frame, and a driven gear is provided on the second lead screw; both the drive gear and the driven gear are located in the limiting groove and are meshed.

[0013] A limiting block is provided at one end of the second lead screw.

[0014] The beneficial effects of this utility model are as follows:

[0015] (1) The first guide roller assembly and the second guide roller assembly disclosed in this application are respectively provided with two guide rollers, which ensures a smooth transition of the fabric when entering and leaving the tensioning area and reduces the risk of fabric damage; then, the tensioning roller assembly realizes the adjustment and control of the tension force through the adjustment assembly composed of two parallelogram adjustment parts and a telescopic motor, which can adjust the tension according to the fabric characteristics and avoid quality problems caused by excessive stretching or relaxation.

[0016] (2) In addition, the present application also provides sliding components at both ends of one of the second guide rollers in the second guide roller assembly, so that the position of one of the second guide rollers can be adjusted left and right, effectively preventing the fabric from shifting during the transmission process;

[0017] (3) The lifting mechanism at the bottom of the frame can flexibly adjust the height of the entire frame according to different height requirements, which increases the convenience of use; and the lifting mechanism adopts a gear transmission method, which not only improves the accuracy of adjustment, but also enhances the overall stability of the device. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of a tensioning device according to the present invention. Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the structure of a tensioning device according to the present invention. Figure 2 ;

[0020] Figure 3 This is a partial structural diagram of a tensioning device according to the present invention. Figure 1 ;

[0021] Figure 4 This is a partial structural diagram of a tensioning device according to the present invention. Figure 2 ;

[0022] The components are labeled as follows: 1. Frame; 2. First guide roller; 3. Second guide roller; 4. Tension roller; 5. Adjustment assembly; 51. Parallelogram adjusting component; 52. Telescopic motor; 511. First parallelogram adjusting component; 512. Second parallelogram adjusting component; 521. Upper connecting block; 522. Lower connecting block; 6. First slide groove; 7. Connecting rod; 8. Sliding assembly; 81. Second slide groove; 82. Slider; 83. First lead screw; 84. First rotary motor; 9. Support frame; 10. Limiting groove; 11. Second rotary motor; 12. Drive gear; 13. Second lead screw; 14. Driven gear; 15. Limiting block; 16. Fabric; 17. Positioning block. Detailed Implementation

[0023] The present invention will be further described below with reference to specific embodiments.

[0024] In the following description, all directional (or orientational) concepts involving up, down, left, right, front, and back refer to the position of the figure being described, and are intended to facilitate public understanding. Therefore, they should not be construed as a special limitation on the technical solution provided by this utility model.

[0025] like Figures 1-4 As shown, a tensioning device includes a frame 1 with a lifting mechanism at the bottom. From top to bottom, the frame 1 is provided with a first guide roller assembly, a tensioning roller assembly, and a second guide roller assembly. The first guide roller assembly includes two first guide rollers 2 arranged on the same horizontal line. The second guide roller assembly includes two second guide rollers 3 arranged on the same horizontal line. The tensioning roller assembly includes two tensioning rollers 4 arranged on the same horizontal line. An adjustment component 5 is provided between the two tensioning rollers 4. The adjustment component 5 includes a parallelogram adjustment member 51 and a telescopic motor 52. The left and right ends of the parallelogram adjustment member 51 are fixedly connected to the two tensioning rollers 4, and the upper and lower ends of the parallelogram adjustment member 51 are fixedly connected to the two ends of the telescopic motor 52.

[0026] Both ends of the tension roller 4 are provided with adjustment components 5. The parallelogram adjustment component 51 includes a first parallelogram adjustment component 511 and a second parallelogram adjustment component 512 that are stacked on top of each other; the frame 1 is provided with a first slide groove 6, and the two ends of the tension roller 4 are respectively provided with connecting rods 7, which pass through the first slide groove 6 and are fixedly connected to the first parallelogram adjustment component 511 and the second parallelogram adjustment component 512. That is, the connecting rod 7 of the tension roller 4 on the left passes through the first slide groove 6 and is fixedly connected to the left end of the first parallelogram adjusting member 511 and the second parallelogram adjusting member 512; the connecting rod 7 of the tension roller 4 on the right passes through the first slide groove 6 and is fixedly connected to the right end of the first parallelogram adjusting member 511 and the second parallelogram adjusting member 512 (positioning blocks 17 are provided at both the left and right fixed connection points), so that the two tension rollers 4 can move closer and further apart from each other according to the adjustment of the parallelogram adjusting member 51 and the telescopic motor 52, thereby tightening and stretching the fabric 16.

[0027] The telescopic motor 52 is located between the first parallelogram adjusting member 511 and the second parallelogram adjusting member 512. The two ends of the telescopic motor 52 are respectively provided with an upper connecting block 521 and a lower connecting block 522. The upper connecting block 521 and the lower connecting block 522 are fixedly connected to the upper and lower ends of the first parallelogram adjusting member 511 and the second parallelogram adjusting member 512, respectively, so as to realize the dynamic adjustment of the tension force.

[0028] In the second guide roller assembly, one of the second guide rollers 3 is provided with sliding components 8 at both ends (generally, sliding components 8 are provided at both ends of the second guide roller 3 at the output end, as shown in the attached figure). The sliding components 8 are used to adjust the position of the second guide roller 3 left and right. The sliding component 8 includes a second slide groove 81, a slider 82, a first lead screw 83, and a first rotary motor 84. The two ends of the first lead screw 83 are connected to the first rotary motor 84 and the frame 1, respectively. The slider 82 is sleeved on the first lead screw 83 and is configured to cooperate with the second slide groove 81. The second guide roller 3 is connected to the slider 82. The first rotary motor 84 drives the first lead screw 83 to rotate, causing the slider 82 to move left and right along the second slide groove 81, thereby adjusting the position of the second guide roller 3.

[0029] The lifting mechanism includes a support frame 9, which has a limiting groove 10 and a second rotary motor 11. The rotating rod of the second rotary motor 11 has a drive gear 12. A second lead screw 13 is provided between the frame 1 and the support frame 9. The second lead screw 13 has a driven gear 14. Both the drive gear 12 and the driven gear 14 are located within the limiting groove 10 and are meshed together. A limiting block 15 is provided at one end (lower end) of the second lead screw 13. Specifically, the second rotary motor 11 drives the drive gear 12 to rotate, which in turn drives the driven gear 14 to rotate, thereby causing the second lead screw 13 to move up and down, thus moving the frame 1 up and down.

[0030] The workflow is as follows:

[0031] First, the frame 1 is lowered by the lifting mechanism to facilitate the workers to start winding the fabric 16 from the second guide roller 3 on the left side, and then sequentially winding it onto the tension roller 4 on the left side, the first guide roller 2 on the left side, the first guide roller 2 on the right side, the tension roller 4 on the right side, and the second guide roller 3 on the right side. Sliding components 8 are also provided on both sides of the second guide roller 3 on the right side.

[0032] Then, the frame 1 is raised using the lifting mechanism. Then, according to the thickness and material of the fabric 16, the adjustment components 5 at both ends of the tension roller 4 are adjusted, that is, the telescopic motor 52 is driven. When the telescopic rod of the telescopic motor 52 is pushed upward, the parallelogram adjustment component 51 expands in the vertical direction. At this time, the tension rollers 4 on the left and right sides move closer to each other and tighten the fabric 16. Or, when the telescopic rod of the telescopic motor 52 is retracted downward, the parallelogram adjustment component 51 is compressed in the vertical direction. At this time, the tension rollers 4 on the left and right sides move away from each other and relax the fabric 16.

[0033] At the same time, the sliding components 8 on both sides of the second guide roller 3 on the right can be used to adjust the position of the second guide roller 3 on the right to the left and right, effectively preventing the fabric 16 from shifting during the transmission process.

[0034] The tensioning device disclosed in this application can adjust the tension force to adapt to different types of fabrics 16 for tensioning and conveying. Specifically, the disclosed first guide roller assembly and second guide roller assembly are each provided with two guide rollers, which ensures a smooth transition of the fabric 16 when entering and leaving the tensioning area and reduces the risk of damage to the fabric 16. Then, the tensioning roller assembly realizes the adjustment and control of the tension force through the adjustment component 5 composed of two parallelogram adjustment parts 51 and the telescopic motor 52, which can adjust the tension according to the characteristics of the fabric 16 and avoid quality problems caused by overstretching or slack.

[0035] This application also provides sliding components 8 at both ends of one of the second guide rollers 3 in the second guide roller assembly, so that the position of one of the second guide rollers 3 can be adjusted left and right, effectively preventing the fabric 16 from shifting during the transmission process; the lifting mechanism at the bottom of the frame 1 can flexibly adjust the height of the entire frame 1 according to different height requirements, increasing the convenience of use; and the lifting mechanism adopts a gear transmission method, which not only improves the accuracy of adjustment, but also enhances the overall stability of the device.

[0036] The above content is a further detailed description of the technical solution provided in conjunction with the preferred embodiments of this patent. It should not be considered that the specific implementation of this utility model is limited to the above description. For those skilled in the art to which this patent pertains, several simple deductions or substitutions can be made without departing from the concept of this patent, and all of these should be considered to fall within the protection scope of this patent.

Claims

1. A tensioning device, characterized in that: The device includes a frame, with a lifting mechanism at the bottom. From top to bottom, the frame is provided with a first guide roller assembly, a tension roller assembly, and a second guide roller assembly. The first guide roller assembly includes two first guide rollers arranged on the same horizontal line. The second guide roller assembly includes two second guide rollers arranged on the same horizontal line. The tension roller assembly includes two tension rollers arranged on the same horizontal line. An adjustment assembly is provided between the two tension rollers. The adjustment assembly includes a parallelogram adjustment member and a telescopic motor. The left and right ends of the parallelogram adjustment member are fixedly connected to the two tension rollers, and the upper and lower ends of the parallelogram adjustment member are fixedly connected to the two ends of the telescopic motor.

2. The tensioning device as described in claim 1, characterized in that: Both ends of the tensioning roller are equipped with adjustment components.

3. A tensioning device as described in claim 2, characterized in that: The parallelogram adjusting component includes a first parallelogram adjusting component and a second parallelogram adjusting component that are overlapped; the frame is provided with a first sliding groove, and the tension roller is provided with connecting rods at both ends, the connecting rods passing through the first sliding groove and being fixedly connected to the first parallelogram adjusting component and the second parallelogram adjusting component.

4. A tensioning device as described in claim 3, characterized in that: The telescopic motor is positioned between the first parallelogram adjusting member and the second parallelogram adjusting member. The two ends of the telescopic motor are respectively provided with an upper connecting block and a lower connecting block, which are fixedly connected to the upper and lower ends of the first and second parallelogram adjusting members, respectively.

5. A tensioning device as described in claim 1, characterized in that: In the second guide roller assembly, one of the second guide rollers is provided with sliding components at both ends, and the sliding components are used to adjust the position of the second guide roller left and right.

6. A tensioning device as described in claim 5, characterized in that: The sliding assembly includes a second slide groove, a slider, a first lead screw, and a first rotary motor. The two ends of the first lead screw are respectively connected to the first rotary motor and the frame. The slider is sleeved on the first lead screw and is configured to cooperate with the second slide groove. The second guide roller is connected to the slider.

7. A tensioning device as described in claim 1, characterized in that: The lifting mechanism includes a support frame, a limiting groove and a second rotary motor on the support frame, and a drive gear on the rotating rod of the second rotary motor; a second lead screw is provided between the frame and the support frame, and a driven gear is provided on the second lead screw; both the drive gear and the driven gear are located in the limiting groove and are meshed.

8. A tensioning device as described in claim 7, characterized in that: A limiting block is provided at one end of the second lead screw.

Images