Digital servo anti-tension attenuation constant-tension wire tensioner

Abstract

The utility model relates to a digital servo anti-tension attenuation constant-tension wire tensioner which comprises a wire clamp arranged on a box body, a wire feeding assembly arranged on one side of the wire clamp, a tension sensor arranged on one side of the wire feeding assembly, a wire guiding assembly arranged on the box body, a tensioning assembly arranged on one side of the box body, and a rotating assembly arranged on one side of the tensioning assembly. An elastic assembly is arranged between the tensioning assembly and the rotary assembly, the tensioning assembly is connected with the rotary assembly through the elastic assembly, a reverse tension adjusting device for adjusting the wire tensioning force is arranged in the box body, and a driving element is arranged on the reverse tension adjusting device. According to different winding requirements of winding equipment, the force of the reverse tension rod for tensioning wires can be adjusted by the reverse tension adjusting device through the cooperation of the rotary assembly and the elastic assembly on the reverse tension rod, so that the tension of the wires can be constantly controlled; the problem that a tensioner on the market at present cannot achieve constant tension control over wires according to different winding requirements is solved.

Description

Technical Field

[0001] The utility model relates to the field of tensioners, in particular to a digital servo reverse tension attenuation constant tension wire tensioner. Background Art

[0002] Winding machines and tensioners are usually required in the winding process of coils of small transformers, relays, etc. The tensioner allows the winding machine to maintain a stable tension during the winding process, and finally makes the wound coils tight and strong. When winding the coils, it is often necessary to set a fixed tension, but the setting and control of tension is a complicated process. The incoming wire coil will gradually become smaller or even empty as the incoming wire reel supplies wire, and the wire often has inconsistent tension during the winding and supplying process; at the same time, as the skeleton is continuously wound, the coil on the skeleton will gradually become larger, which will also cause inconsistent tension in the winding and supplying of wires. However, the structure of the winding tensioner on the market is not scientifically and rationally designed. It cannot tension the wire according to the situation when the skeleton winds the coil and releases the wire, resulting in it always unable to achieve constant tension control of the wire. In addition, most of the wire tensioners on the market adopt a dual-motor configuration design, which leads to high cost, does not meet the needs of industrial development and is not conducive to the long-term development of enterprises. Summary of the invention

[0003] The utility model aims to overcome the deficiencies of the prior art and provide a digital servo reverse tension attenuation constant tension wire tensioner.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: the digital servo reverse tension attenuation constant tension wire tensioner includes a box body, a wire clamp for clamping and limiting the wire is provided on the box body, a wire feeding assembly for transmitting the wire is provided on one side of the wire clamp, a tension sensor for detecting the wire tension is provided on one side of the wire feeding assembly, a wire assembly for the wire is also provided on the box body, a tensioning assembly for tensioning the wire is provided on one side of the box body, a rotary assembly is provided on one side of the tensioning assembly, an elastic assembly is provided between the tensioning assembly and the rotary assembly, the tensioning assembly is connected to the rotary assembly through the elastic assembly, a reverse tension adjusting device for adjusting the tensioning force of the wire is provided in the box body, a driving element is provided on the reverse tension adjusting device, the driving element drives the rotary assembly through the reverse tension adjusting device, and the rotary assembly acts on the tensioning assembly through the elastic assembly to adjust the tensioning force of the wire. The tension sensor can adopt a tension sensor of model SFZLF, but is not limited to this.

[0005] Preferably, the back tension adjustment device comprises a first mounting seat, on which a first tension adjustment component, a second tension adjustment component and a locking component are provided;

[0006] The first tension adjustment assembly includes a first screw, which is rotatably connected to the first mounting seat, and a first adjusting horizontal plate is provided on the first screw. Through holes are respectively provided at both ends of the first adjusting horizontal plate. The first screw passes through the through hole at one end of the first adjusting horizontal plate and is rotatably connected to the first adjusting horizontal plate. The first screw drives the first adjusting horizontal plate to move up and down; the first screw is also provided with a first retaining spring, which limits the elevation of the first adjusting horizontal plate; the first adjusting horizontal plate is provided with a first pointer indicating the scale value corresponding to the current tensioning wire strength;

[0007] The second tension adjustment assembly includes a second screw rod, which is rotatably connected to the first mounting seat, a second adjusting horizontal plate is provided on the second screw rod, and through holes are also provided at both ends of the second adjusting horizontal plate. The second screw passes through the through hole at one end of the second adjusting horizontal plate and is rotatably connected to the second adjusting horizontal plate, and the second screw drives the second adjusting horizontal plate to move up and down; a second clamping spring is also clamped on the second screw rod, and the second clamping spring limits the lowering of the second adjusting horizontal plate; a second pointer indicating the scale value corresponding to the maximum adjustable value of the current tensioning wire strength is provided on the second adjusting horizontal plate;

[0008] The first screw passes through the through hole at the other end of the second adjusting cross plate and is slidably connected to the second adjusting cross plate, and the second screw stops and limits the lifting and sliding of the first adjusting cross plate; the second screw passes through the through hole at the other end of the first adjusting cross plate and is slidably connected to the second adjusting cross plate, and the first screw stops and limits the lifting and sliding of the second adjusting cross plate; wherein the first adjusting cross plate and the second adjusting cross plate are both functional descriptions of the cross plates.

[0009] The locking assembly includes a third screw and a fourth screw, the third screw and the fourth screw are respectively rotatably connected to the first mounting seat, the third screw locks the first screw to prevent it from rotating, and the fourth screw locks the second screw to prevent it from rotating;

[0010] The first screw rod is provided with a first stopper and a second stopper at both ends, and the second screw rod is provided with a third stopper and a fourth stopper at both ends; the first stopper and the third stopper are fixed in one end of the first mounting seat, and the first stopper and the third stopper buffer and limit the raising of the second adjusting cross plate; the second stopper and the fourth stopper are fixed in the other end of the first mounting seat, and the second stopper and the fourth stopper buffer and limit the lowering of the first adjusting cross plate.

[0011] Preferably, the tensioning assembly comprises a mounting plate fixed in the box, a first bearing is arranged on the mounting plate, a first rotating shaft is arranged in the first bearing, a counter-tension rod is arranged on one end of the first rotating shaft, and a wire hanging wheel for transmitting the wire is arranged on the end of the counter-tension rod away from the first rotating shaft. The counter-tension rod is a functional description of the tension rod.

[0012] Preferably, the rotary assembly includes a second bearing installed through the first mounting seat, a second rotating shaft is arranged in the second bearing, a rotating disk is arranged on one end of the second rotating shaft, a first rotating rod is arranged on the circumference of the rotating disk, and a second rotating rod is arranged on the other end of the second rotating shaft, the driving element drives the first rotating rod to rotate and then drives the rotating disk and the second rotating shaft to rotate together, and the second rotating rod rotates with the second rotating shaft as the center to pull the tensioning assembly to increase the tensioning force on the wire. The first rotating rod and the second rotating rod are both functional descriptions of the rotating rod.

[0013] By adopting the above-mentioned technical solution, the first adjustment horizontal plate in the first tension adjustment assembly can slide on the second screw rod, the first screw rod is spirally connected to the first adjustment horizontal plate, twisting the first screw rod drives the first adjustment horizontal plate to move to the second adjustment horizontal plate to a predetermined adjustment position, then tightening the third screw rod to lock and fix the first screw rod, the position where the first adjustment horizontal plate is fixed on the first screw rod is the starting position of the rotation and movement of the first rotating rod, and is also the starting position of the rotation and movement of the first rotating rod to the second adjustment horizontal plate, which is the minimum force for the anti-tension rod to drive the wire hanging wheel to tension (or tighten) the wire. Similarly, the second adjustment horizontal plate can slide on the first screw rod, the second screw rod is spirally connected to the second adjustment horizontal plate, twisting the second screw rod drives the second adjustment horizontal plate to move to the first adjustment horizontal plate to a predetermined adjustment position, then tightening the fourth screw rod can lock and fix the second screw. The position where the second adjustment horizontal plate is fixed on the second screw rod is the end position of the rotation activity of the first rotating rod. The first adjusting transverse plate and the second adjusting transverse plate respectively limit the starting position and the end position of the rotational movement stroke of the first rotating rod; the first retaining spring limits the stroke of the first adjusting transverse plate, and the second retaining spring limits the stroke of the second adjusting transverse plate.

[0014] Preferably, the first stopper, the second stopper, the third stopper and the fourth stopper are all preferably rubber gaskets.

[0015] Preferably, the elastic component includes a tension spring connected to the anti-tension rod at one end and connected to the second rotating rod at the other end, and two or more tension springs are provided, and two adjacent tension springs are arranged in parallel. The driving element can be a cylinder, but it is not limited to this. In one embodiment, the output shaft of the cylinder is connected to the first rotating rod. In another embodiment, the lower end of the first rotating rod is provided with a structure that matches the shape of the output shaft of the cylinder, so that when the cylinder performs telescopic movement, it can drive the first rotating rod to perform reciprocating rotational movement.

[0016] By adopting the above technical solution, when the output shaft of the cylinder extends to drive the first rotating rod to rotate and move in the direction of the first adjusting horizontal plate (that is, the first rotating rod rotates from the first clamping spring to the direction of the first adjusting horizontal plate), the rotating disk can be driven to rotate, and the rotating disk can drive the second rotating rod to rotate around the second rotating shaft in the direction opposite to the anti-tension rod, and the anti-tension rod drives the wire hanging wheel to move in the direction of the second rotating rod to tension the wire, and the second rotating rod acts on the anti-tension rod through the tension spring to adjust the tension (tightening or tightening) of the wire. In the process of the rotating disk driving the second rotating rod to rotate around the second rotating shaft in the direction opposite to the anti-tension rod, the tension spring is deformed by force and becomes longer, so that the force of the wire hanging wheel to tension the wire gradually increases. On the contrary, when the output shaft of the cylinder retracts, the wire hanging wheel is subjected to the reaction force of the wire, the wire tightens the wire hanging wheel, the wire hanging wheel tightens the counter-tension rod, the counter-tension rod tightens the second rotating rod through the tension spring, the second rotating rod drives the turntable to rotate, the turntable drives the first rotating rod to rotate and move in the direction of the first adjusting horizontal plate, at this time, the tensioning force of the wire hanging wheel on the wire gradually decreases.

[0017] Preferably, the wire clamp comprises a first mounting plate, a first wool felt plate, a second wool felt plate and a second mounting plate arranged in sequence, a fifth screw is provided through the first mounting plate, the first wool felt plate, the second wool felt plate and the second mounting plate, and a spring and a nut are sequentially sleeved on the fifth screw.

[0018] By adopting the above technical solution, when the wire passes through the first wool felt piece and the second wool felt piece in the wire clamp, the first wool felt piece and the second wool felt piece clamp the wire and clean the wire. In addition, they also have a damping effect on the wire, which helps the wire to be transmitted smoothly.

[0019] Preferably, the wire feeding assembly comprises a motor, and a wire feeding wheel with damping function is provided on the motor output shaft.

[0020] By adopting the above-mentioned technical scheme, the wire feeding wheel with damping can effectively prevent the wire and the wire feeding wheel from slipping, so that the motor-driven wire feeding wheel can achieve rapid acceleration or rapid deceleration when working, and the adjustment of the wire feeding speed is more efficient and reliable. Moreover, it only uses one motor and one wire feeding wheel to meet the required adjustment of the wire feeding speed. While it can reduce the production cost, it effectively solves the problem that most traditional tensioners adopt a combination of dual motors and dual wire feeding wheels, which leads to complex structure and high production cost.

[0021] Preferably, the wire assembly comprises a first wire wheel, a second wire wheel and a third wire wheel which are respectively arranged on the box body.

[0022] Preferably, a control panel is provided on the box, and a wire plate for limiting the position of the wires is also provided on the box.

[0023] Preferably, the wire-passing plate adopts a ceramic eye wire-passing plate, but it is not limited to this.

[0024] By adopting the above technical solution, the ceramic eye wire passing plate is used to conduct the wire without damaging the wire, so that the wire has the advantages of durability, easy maintenance and low maintenance cost.

[0025] Preferably, the box body is further provided with a long slot for the first pointer and the second pointer to pass through, and a scale is provided on one side of the long slot.

[0026] By adopting the above-mentioned technical solution, when the first pointer and the second pointer respectively pass through the long slots corresponding to their positions and correspond to the corresponding scale values ​​in the scale on each long slot, the current wire tensioning force can be displayed, so that the user can understand the current wire tensioning force at any time.

[0027] Preferably, a second mounting seat for fixing the box body is provided in the box body, and a sixth screw for locking and fixing the box body is provided on the second mounting seat.

[0028] Preferably, a stop rod is provided on one side of the second rotating shaft close to the counter-tension rod, and the stop rod is installed on the box body.

[0029] Preferably, the control panel has a built-in controller for signal connection with components such as motors and cylinders. The controller is a PLC programmable logic controller. The PLC programmable logic controller can be a programmable logic controller produced in Shenzhen and model XDS-40T-D, but is not limited to this.

[0030] Compared with the prior art, the beneficial effects of the utility model are as follows: 1. It prevents the wire and the wire feeding wheel from slipping by providing a wire feeding wheel with a damping function, so that the motor can quickly accelerate or decelerate when driving the wire feeding wheel to feed the wire. It is more efficient and reliable to adjust the wire feeding speed, and it only uses one motor and one wire feeding wheel to meet the wire feeding speed adjustment requirements. Compared with the traditional combination of dual motors and dual wire feeding wheels, it reduces the production cost and has a simpler structure, and effectively solves the problem of high production cost caused by the combination of dual motors and dual wire feeding wheels used in most tensioners on the market.

[0031] 2. When the output shaft of the cylinder drives the first rotating rod to rotate and move in the direction of the second adjusting horizontal plate to drive the second rotating rod to rotate in the direction opposite to the counter-tension rod with the second rotating shaft as the center, the tension spring will become longer due to the tension of the second rotating rod. As the tension of the tension spring on the counter-tension rod increases, the tensioning force of the wire hanging wheel on the counter-tension rod on the wire rod also increases. In the process of the winding equipment switching from the wire hanging foot on the skeleton to the coil winding, the counter-tension rod tensions the wire released by the guide needle when the guide needle changes its angle during the process of switching from the wire hanging foot winding to the coil winding process. , which satisfies the requirement that the counter-tension rod can tension the wires with different tensions. At this time, the tension force exerted by the tension spring on the wire hanging wheel through the counter-tension rod is equivalent to the tension force of the wire on the wire hanging wheel, which ensures that the counter-tension rod swings slightly around the first rotating axis at the middle position between the highest position and the lowest position within the swing amplitude range to adapt to the change of the wire feeding speed and tension or release the wire; at the same time, in the subsequent coil winding process, the counter-tension rod can swing slightly around the first rotating axis to tension or release the wire as the wire feeding speed of the winding changes.

[0032] 3. The structure of the counter-tension regulating device is designed. The rotating component in the counter-tension regulating device is connected to the tensioning component through the elastic component. The rotating component provides tension to the tensioning component through the elastic component. The elastic component includes more than two tension springs, and two adjacent tension springs are arranged in parallel. This design makes the tension of the rotating component more balanced. The rotating component adjusts the force of the counter-tension rod to tension the wire more accurately through the tensioning component, so that the constant tension control of the wire can be achieved.

[0033] 4. The structure of the first tension adjustment component in the counter-tension adjustment device is designed so that the first adjustment horizontal plate can be driven to rotate toward the second adjustment horizontal plate when the first screw is twisted; the driving element (cylinder) drives the first rotating rod to rotate to drive the rotating disk to rotate, the rotation of the rotating disk can drive the second rotating shaft to rotate, and the rotation of the second rotating shaft can drive the second rotating rod to rotate with the second rotating shaft as the center in the direction away from the counter-tension rod, the first retaining spring limits the rotation movement of the first adjusting horizontal plate, the first adjusting horizontal plate rotates and moves within the travel range between the second stopper and the first retaining spring to limit the starting position of the rotation movement of the first rotating rod, to prevent the wire hanging wheel from being pulled to the lowest position by the tension of the wire when the driving element (cylinder) fails, and the counter-tension rod cannot swing slightly around the first rotating shaft to tighten or release the wire as the wire feeding speed changes during the coil winding process due to the obstruction and restriction of the lowest position, so as to ensure that the tension of the counter-tension rod on the wire hanging wheel can be kept equivalent to the tension of the wire on the wire hanging wheel, thereby ensuring constant control of the wire feeding tension of the winding.

[0034] 5. The structure of the second tension adjustment component in the counter-tension adjustment device is designed so that when the second screw is twisted, the second adjustment horizontal plate can be driven to rotate and move toward the first adjustment horizontal plate to limit the end position of the maximum stroke of the first rotating rod, so as to avoid excessive deformation of the tension spring when the driving element (cylinder) drives the first rotating rod to rotate and move to the farthest position, resulting in the pulling force on the counter-tension rod being greater than the pulling force of the wire on the counter-tension rod through the wire hanging wheel. When the counter-tension rod is tightened on the stop rod by the tension spring, the counter-tension rod is restricted by the stop rod and cannot swing slightly around the first rotating shaft to tension or release the wire as the wire feeding speed changes during the coil winding process of the winding equipment, so as to ensure that the pulling force of the counter-tension rod on the wire hanging wheel can be kept equivalent to the pulling force of the wire on the wire hanging wheel, thereby ensuring constant control of the wire feeding tension of the winding. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] For ease of explanation, the present invention is described in detail with reference to the following preferred embodiments and accompanying drawings.

[0036] Figure 1 It is a stereoscopic diagram of a digital servo reverse tension attenuation constant tension wire tensioner of the utility model.

[0037] Figure 2 It is a three-dimensional diagram of a digital servo reverse tension attenuation constant tension wire tensioner without a box body of the utility model.

[0038] Figure 3 It is a stereoscopic diagram of a back tension adjustment device of a digital servo back tension attenuation constant tension wire tensioner of the utility model.

[0039] Figure 4 It is a stereoscopic view from another direction of a back tension adjustment device of a digital servo back tension attenuation constant tension wire tensioner of the utility model.

[0040] Figure 5 It is a stereoscopic diagram of a wire clamp of a digital servo reverse tension attenuation constant tension wire tensioner of the utility model. DETAILED DESCRIPTION

[0041] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0043] Reference Figures 1 to 5 As shown, a digital servo reverse tension attenuation constant tension wire tensioner of the utility model comprises a box body 1, a wire clamp 2 for clamping and limiting the wire 28 is provided on the box body 1, a wire feeding assembly for transmitting the wire 28 is provided on one side of the wire clamp 2, a tension sensor 3 for detecting the tension of the wire 28 is provided on one side of the wire feeding assembly, a wire assembly for the wire is also provided on the box body 1, a tensioning assembly 7 for tensioning the wire 28 is provided on one side of the box body 1, a rotary assembly 4 is provided on one side of the tensioning assembly 7, an elastic assembly is provided between the tensioning assembly 7 and the rotary assembly 4, the tensioning assembly 7 is connected to the rotary assembly 4 through the elastic assembly, a reverse tension adjusting device 5 for adjusting the strength of tensioning the wire 28 is provided in the box body 1, a driving element 6 is provided on the reverse tension adjusting device 5, the driving element 6 drives the rotary assembly 4 through the reverse tension adjusting device 5, and the rotary assembly 4 acts on the tensioning assembly 7 through the elastic assembly to adjust the strength of tensioning the wire 28.

[0044] In one embodiment, the counter-tension adjusting device 5 comprises a first mounting seat 50 , on which a first tension adjusting component, a second tension adjusting component and a locking component 8 are disposed.

[0045] The first tension adjustment component includes a first screw rod 51, which is rotatably connected to the first mounting seat 50. The first screw rod 51 is provided with a first adjusting cross plate 52. The first adjusting cross plate 52 has through holes at both ends. The first screw rod 51 passes through the through hole at one end of the first adjusting cross plate 52 and is rotatably connected to the first adjusting cross plate 52. The first screw rod 51 drives the first adjusting cross plate 52 to move up and down. The first screw rod 51 is also provided with a first retaining spring 53, which limits the lifting of the first adjusting cross plate 52. The first adjusting cross plate 52 is provided with a first pointer 54 indicating the scale value corresponding to the current tensioning force of the wire 28.

[0046] The second tension adjustment assembly includes a second screw 61, which is rotationally connected to the first mounting seat 50. A second adjusting cross plate 62 is provided on the second screw 61. Through holes are also provided at both ends of the second adjusting cross plate 62. The second screw 61 passes through the through hole at one end of the second adjusting cross plate 62 and is rotationally connected to the second adjusting cross plate 62. The second screw 61 drives the second adjusting cross plate 62 to move up and down; a second retaining spring 63 is also clamped on the second screw 61, and the second retaining spring 63 limits the lowering of the second adjusting cross plate 62; a second pointer 64 is provided on the second adjusting cross plate 62 to indicate the scale value corresponding to the maximum adjustable force value of the current tensioning wire 28.

[0047] The first screw 51 also passes through the through hole at the other end of the second adjusting transverse plate 62 and is slidably connected to the second adjusting transverse plate 62, and the second screw 61 stops and limits the lifting and sliding of the first adjusting transverse plate 52; the second screw 61 also passes through the through hole at the other end of the first adjusting transverse plate 52 and is slidably connected to the second adjusting transverse plate 62, and the first screw 51 stops and limits the lifting and sliding of the second adjusting transverse plate 62.

[0048] The locking assembly 8 includes a third screw 81 and a fourth screw 82, which are respectively rotatably connected to the first mounting seat 50. The third screw 81 locks the first screw 51 to prevent it from rotating, and the fourth screw 82 locks the second screw 61 to prevent it from rotating.

[0049] A first stopper 55 and a second stopper 56 are respectively provided at both ends of the first screw rod 51, and a third stopper 65 and a fourth stopper 66 are respectively provided at both ends of the second screw rod 61; the first stopper 55 and the third stopper 65 are fixed in one end of the first mounting seat 50, and the first stopper 55 and the third stopper 65 buffer and limit the rising of the second adjusting cross plate 62; the second stopper 56 and the fourth stopper 66 are fixed in the other end of the first mounting seat 50, and the second stopper 56 and the fourth stopper 66 buffer and limit the lowering of the first adjusting cross plate 52.

[0050] In one embodiment, the tensioning assembly 7 includes a mounting plate 70 fixed in the box body 1, a first bearing 71 is provided on the mounting plate 70, a first rotating shaft 72 is provided in the first bearing 71, a counter-tension rod 73 is installed on one end of the first rotating shaft 72, and a wire hanging wheel 74 for transmitting the wire 28 is provided on the end of the counter-tension rod 73 away from the first rotating shaft 72.

[0051] In one embodiment, the rotating assembly 4 includes a second bearing 41 installed through the first mounting seat 50, a second rotating shaft 42 is provided in the second bearing 41, a turntable 43 is provided on one end of the second rotating shaft 42, a first rotating rod 44 is provided on the circumference of the turntable 43, and a second rotating rod 45 is provided on the other end of the second rotating shaft 42. The driving element 6 drives the first rotating rod 44 to rotate and then drives the turntable 43 and the second rotating shaft 42 to rotate. The second rotating rod 45 rotates with the second rotating shaft 42 as the center to pull the tensioning assembly 7 to increase the tensioning force on the wire 28.

[0052] In one embodiment, the elastic component includes a tension spring 9 connected to the anti-tension rod 73 at one end and connected to the second rotating rod 45 at the other end. There are more than two tension springs 9, and two adjacent tension springs 9 are arranged in parallel. The driving element 6 can be a cylinder, but it is not limited to this. The first rotating rod 44 can be reciprocated and rotated by the cylinder.

[0053] In one embodiment, the wire clamp 2 includes a first mounting plate 27, a first wool felt plate 21, a second wool felt plate 22 and a second mounting plate 23 arranged in sequence, and a fifth screw rod 24 is provided through the first mounting plate 27, the first wool felt plate 21, the second wool felt plate 22 and the second mounting plate 23, and a spring 25 and a nut 26 are sequentially sleeved on the fifth screw rod 24.

[0054] In one embodiment, the wire feeding assembly includes a motor 101, and a wire feeding wheel 10 with a damping function is provided on the output shaft of the motor 101.

[0055] In one embodiment, the wire assembly includes a first wire wheel 11 , a second wire wheel 12 and a third wire wheel 13 which are arranged on the box body 1 .

[0056] In one embodiment, a control panel 14 is disposed on the box body 1 , and a wire plate 15 for limiting the position of the wire 28 is also disposed on the box body 1 .

[0057] In one embodiment, the wire-passing plate 15 is preferably a ceramic eye wire-passing plate 15, but the invention is not limited thereto.

[0058] In one embodiment, the box body 1 is further provided with a long slot 17 for the first pointer 54 and the second pointer 64 to pass through, and a scale 18 is provided on one side of the long slot 17 .

[0059] In one embodiment, a second mounting seat 19 for fixing the box body 1 is disposed inside the box body 1 , and a sixth screw rod 191 for locking and fixing the box body 1 is disposed on the second mounting seat 19 .

[0060] In one embodiment, a blocking rod 20 is disposed on a side of the second rotating shaft 42 close to the anti-tension rod 73 .

[0061] In one embodiment, the digital servo reverse tension attenuation constant tension wire tensioner can be used in conjunction with a winding device, and its working process is as follows: the wire 28 first passes through the wire plate 15 (ceramic eye wire plate), the wire clamp 2 and the first wire wheel 11, then the wire 28 bypasses the wire feeding wheel 10 and passes through the second wire wheel 12, the tension sensor 3 and the third wire wheel 13 in sequence and then bypasses the wire hanging wheel 74, and finally, the wire 28 is led from the wire hanging wheel 74 to the winding device to provide the wire 28 for the winding device to wind the coil. The wire plate 15 and the wire clamp 2 are respectively provided on the box body 1, and the wire plate 15 uses a ceramic eye wire plate to conduct the wire 28, and the ceramic eye wire plate will not damage the wire 28 and can be durable, so that it has the advantages of easy maintenance and low maintenance cost. At the same time, the structure of the wire clamp 2 is designed. When the wire 28 passes through the first wool felt sheet 21 and the second wool felt sheet 22 in the wire clamp 2, the first wool felt sheet 21 and the second wool felt sheet 22 can not only clamp the wire 28 and clean the wire 28, but also have a damping effect on the wire 28, which helps the wire 28 to be smoothly transmitted. A wire feeding wheel 10 with a damping effect is also provided in the wire feeding assembly. When the wire 28 passes through the wire feeding wheel 10, the wire feeding wheel 10 with a damping effect can effectively prevent the wire 28 from slipping with the wire feeding wheel 10, so that the motor 101 can achieve rapid acceleration or rapid deceleration when driving the wire feeding wheel 10 to feed the wire, which makes the adjustment of the wire feeding speed more efficient and reliable.

[0062] Since the wire tension required by the wire winding equipment for the skeleton jig for winding the coil is relatively small, the wire tension required by the wire winding equipment for the skeleton jig for winding the coil is relatively large after the wire winding equipment has finished winding the wire on the skeleton jig. In the process of switching from the wire winding foot to the coil winding, the guide needle of the wire winding foot switches from the straight wire hanging angle state to the vertical wire arrangement angle state to release the wire. The release of the wire will cause the wire to be loose and have no tension and fail to meet the wire tension requirements for winding the coil. The lack of wire tension will cause the winding coil to be loose and not tight. In order to solve the problem of being able to constantly control the wire tension, the utility model uses the reverse tension adjustment device 5 to use the rotating component 4 and the elastic component to cooperate with the reverse tension rod 73 to adjust the strength of the reverse tension rod 73 to tighten the wire 28. The reverse tension rod 73 rotates in the direction of the second rotating rod 45 to drive the wire hanging wheel 74 to tighten the wire 28 to restore the tension of the wire 28.

[0063] The first tension adjustment assembly, the second tension adjustment assembly and the locking assembly 8 are arranged on the first mounting seat 50 in the counter-tension adjustment device 5. The first adjustment horizontal plate 52 in the first tension adjustment assembly can slide on the second screw rod 61. The first screw rod 51 is spirally connected with the first adjustment horizontal plate 52. The first screw rod 51 is twisted to drive the first adjustment horizontal plate 52 to move to the second adjustment horizontal plate 62 to a predetermined adjustment position. Then, the first screw rod 51 can be locked and fixed by tightening the third screw rod 81. The position where the first adjustment horizontal plate 52 is fixed on the first screw rod 51 is the starting position of the rotation movement of the first rotating rod 44, and is also the starting position of the cylinder driving the first rotating rod 44 to rotate and move toward the second adjusting horizontal plate 62. At this time, the counter-tension rod 73 drives the wire hanging wheel 74 to tension (or tighten) the wire 28 with the minimum force. Similarly, the second adjustment cross plate 62 can slide on the first screw rod 51, and the second screw rod 61 is spirally connected to the second adjustment cross plate 62. The second screw rod 61 is twisted to drive the second adjustment cross plate 62 to move to the first adjustment cross plate 52 to a predetermined adjustment position. Then, the fourth screw rod 82 is tightened to lock and fix the second screw rod 61. The position where the second adjustment cross plate 62 is fixed on the second screw rod 61 is the end position of the rotation activity of the first rotating rod 44. The first adjustment cross plate 52 and the second adjustment cross plate 62 respectively limit the starting position and the end position of the rotation movement stroke of the first rotating rod 44; the first retaining spring 53 limits the stroke of the first adjustment cross plate 52, and the second retaining spring 63 limits the stroke of the second adjustment cross plate 62.

[0064] When the output shaft of the cylinder is extended to drive the first rotating rod 44 to rotate and move in the direction of the first adjusting horizontal plate 52 (i.e., the first rotating rod is from the first clamping spring to the first adjusting horizontal plate), the rotating disk 43 can be driven to rotate. The rotating disk 43 can drive the second rotating rod 45 to rotate around the second rotating shaft 42 in the direction away from the anti-tension rod 73. The second rotating rod 45 can drive the anti-tension rod 73 to rotate in the direction of the second rotating rod 45 through the tension spring 9, so that the anti-tension rod 73 drives the wire hanging wheel 74 to move in the direction of the second rotating rod 45 to tension the wire 28. The second rotating rod 45 acts on the anti-tension rod 73 through the tension spring 9 to adjust the tension (tightening or tightening) of the wire 28. In the process of the rotating disk 43 driving the second rotating rod 45 to rotate around the second rotating shaft 42 in the direction away from the anti-tension rod 73, the tension spring 9 will be deformed and lengthened by the tension of the second rotating rod 4, so that the tension of the wire hanging wheel 74 to tension the wire 28 gradually increases. On the contrary, when the output shaft of the cylinder is reset and retracted, the wire hanging wheel 74 is subjected to the reaction force of the wire 28, and the wire 28 tightens the wire hanging wheel 74, and the wire hanging wheel 74 tightens the counter-tension rod 73. The counter-tension rod 73 tightens the second rotating rod 45 through the tension spring 9, and the second rotating rod 45 drives the turntable 43 to rotate in the opposite direction, and the turntable 43 drives the first rotating rod 44 to rotate and move in the direction of the first adjusting cross plate 52. At this time, the tensioning force of the wire hanging wheel 74 on the wire 28 gradually decreases.

[0065] When the winding equipment is working, the wire 28 will be released as the guide needle in the winding equipment turns from the straight wire hanging angle state to the vertical wire arrangement angle state. During the process of the wire hanging wheel 74 tensioning the wire 28, the tension of the wire 28 will gradually increase from the process of hanging the wire to winding the coil. The cylinder sequentially drives the first rotating rod 44, the rotating disk 43, the second rotating shaft 42, the second rotating rod 45, the tension spring 9, the anti-tension rod 73 and the wire hanging wheel 74 to rotate in the opposite direction of the output of the wire 28 to increase the tensioning force of the wire hanging wheel 74 on the wire 28, thereby ensuring that the tension of the wire 28 increases after entering the coil winding state.

[0066] Since the winding tension required by the winding equipment when winding different coils is often different, and the wire 28 will be in a taut state when it is straightened and tightened, the cylinder is used to push the first rotating rod 44 to rotate in the positive and negative directions to change the deformation of the tension spring 9 to increase or decrease the tension of the wire hanging wheel 74 driven by the counter-tension rod 73, so that the tension of the tension spring 9 on the hanging wheel 74 through the counter-tension rod 73 is kept comparable to the tension of the wire 28 on the hanging wheel 74, so as to meet the different requirements of different skeletons for the winding wire tension, and ensure that the counter-tension rod 73 swings slightly at the middle position within its swing range to tension the wire 28 or release the wire 28 to relieve the tension to adapt to the change of the wire feeding speed, so that the wire 28 can always keep the coil tightly wound and the winding neatly when winding different coils on different skeletons.

[0067] Its overall structural design can adjust the strength of the counter-tension rod 73 to tension the wire 28 according to the different winding requirements of the winding equipment through the counter-tension adjustment device 5 using the rotary component 4 and the elastic component to cooperate with the counter-tension rod 73, which ensures that the tension effect of the wire 28 is good, so that the tension of the wire 28 can be kept under constant control, and then the winding equipment used in conjunction with it has good tightness and flatness for the skeleton winding, thereby solving the problem that the tension device currently on the market cannot achieve constant tension control of the wire 28 according to different winding requirements. In addition, in terms of structure, it only uses one motor 101 and one wire feeding wheel 10 to meet the required demand for adjusting the wire feeding speed, which can reduce production costs and effectively solve the problem that most of the wire tension devices on the market currently use a combination of dual motors 101 and dual wire feeding wheels 10, which leads to complex structure, high production cost and unfavorable to industrial development needs.

[0068] The above embodiment is only an example of the present invention and is not intended to limit the implementation and scope of rights of the present invention. Any technical solution that is identical or equivalent to the content described in the claims of the present invention should be included in the protection scope of the present invention.

Claims

1. A digital servo reverse tension attenuation constant tension wire tensioner, comprising a box, characterized in that: A wire clamp for clamping and limiting the wire is provided on the box body, a wire feeding assembly for transmitting the wire is provided on one side of the wire clamp, a tension sensor for detecting the tension of the wire is provided on one side of the wire feeding assembly, a wire assembly for the wire is also provided on the box body, a tensioning assembly for tensioning the wire is provided on one side of the box body, a rotary assembly is provided on one side of the tensioning assembly, an elastic assembly is provided between the tensioning assembly and the rotary assembly, the tensioning assembly is connected to the rotary assembly through the elastic assembly, a counter-tension adjusting device for adjusting the strength of tensioning the wire is provided in the box body, a driving element is provided on the counter-tension adjusting device, the driving element drives the rotary assembly through the counter-tension adjusting device, and the rotary assembly acts on the tensioning assembly through the elastic assembly to adjust the strength of tensioning the wire.

2. A digital servo reverse tension attenuation constant tension wire tensioner according to claim 1, characterized in that: The back tension adjustment device comprises a first mounting seat, on which a first tension adjustment component, a second tension adjustment component and a locking component are arranged; The first tension adjustment assembly includes a first screw, which is rotatably connected to the first mounting seat, and a first adjusting horizontal plate is provided on the first screw. Through holes are respectively provided at both ends of the first adjusting horizontal plate. The first screw passes through the through hole at one end of the first adjusting horizontal plate and is rotatably connected to the first adjusting horizontal plate. The first screw drives the first adjusting horizontal plate to move up and down; the first screw is also provided with a first retaining spring, which limits the elevation of the first adjusting horizontal plate; the first adjusting horizontal plate is provided with a first pointer indicating the scale value corresponding to the current tensioning wire strength; The second tension adjustment assembly includes a second screw rod, which is rotatably connected to the first mounting seat, a second adjusting horizontal plate is provided on the second screw rod, and through holes are also provided at both ends of the second adjusting horizontal plate. The second screw passes through the through hole at one end of the second adjusting horizontal plate and is rotatably connected to the second adjusting horizontal plate, and the second screw drives the second adjusting horizontal plate to move up and down; a second clamping spring is also clamped on the second screw rod, and the second clamping spring limits the lowering of the second adjusting horizontal plate; a second pointer indicating the scale value corresponding to the maximum adjustable value of the current tensioning wire strength is provided on the second adjusting horizontal plate; The first screw rod passes through the through hole at the other end of the second adjusting horizontal plate and is slidably connected to the second adjusting horizontal plate, and the second screw rod stops the lifting and sliding of the first adjusting horizontal plate; the second screw rod passes through the through hole at the other end of the first adjusting horizontal plate and is slidably connected to the second adjusting horizontal plate, and the first screw stops the lifting and sliding of the second adjusting horizontal plate; The locking assembly includes a third screw and a fourth screw, the third screw and the fourth screw are respectively rotatably connected to the first mounting seat, the third screw locks the first screw to prevent it from rotating, and the fourth screw locks the second screw to prevent it from rotating; The first screw rod is provided with a first stopper and a second stopper at both ends, and the second screw rod is provided with a third stopper and a fourth stopper at both ends; the first stopper and the third stopper are fixed in one end of the first mounting seat, and the first stopper and the third stopper buffer and limit the rise of the second adjusting cross plate; the second stopper and the fourth stopper are fixed in the other end of the first mounting seat, and the second stopper and the fourth stopper buffer and limit the lowering of the first adjusting cross plate.

3. A digital servo reverse tension attenuation constant tension wire tensioner according to claim 1, characterized in that: The tensioning assembly includes a mounting plate fixed in the box body, a first bearing is provided on the mounting plate, a first rotating shaft is provided in the first bearing, a counter-tension rod is installed on one end of the first rotating shaft, and a wire hanging wheel for transmitting the wire is provided on the end of the counter-tension rod away from the first rotating shaft.

4. A digital servo reverse tension attenuation constant tension wire tensioner according to claim 1, characterized in that: The rotating assembly includes a second bearing installed on the first mounting seat, a second rotating shaft is arranged in the second bearing, a rotating disk is arranged on one end of the second rotating shaft, a first rotating rod is arranged on the circumference of the rotating disk, and a second rotating rod is arranged on the other end of the second rotating shaft. The driving element drives the first rotating rod to rotate and move, thereby driving the rotating disk and the second rotating shaft to rotate together, and the second rotating rod rotates with the second rotating shaft as the center to pull the tensioning assembly to increase the tensioning force on the wire.

5. A digital servo reverse tension attenuation constant tension wire tensioner according to claim 1, characterized in that: The wire clamp comprises a first mounting plate, a first wool felt plate, a second wool felt plate and a second mounting plate arranged in sequence, a fifth screw rod is arranged through the first mounting plate, the first wool felt plate, the second wool felt plate and the second mounting plate, and a spring and a nut are sequentially sleeved on the fifth screw rod.

6. A digital servo reverse tension attenuation constant tension wire tensioner according to claim 1, characterized in that: The wire feeding assembly comprises a motor, and a wire feeding wheel with a damping function is arranged on the output shaft of the motor.

7. A digital servo reverse tension attenuation constant tension wire tensioner according to claim 1, characterized in that: The wire assembly comprises a first wire wheel, a second wire wheel and a third wire wheel which are respectively arranged on the box body.

8. A digital servo reverse tension attenuation constant tension wire tensioner according to claim 1, characterized in that: The box body is provided with a control panel, and the box body is also provided with a wire passing plate for limiting the position of the wires.

9. A digital servo reverse tension attenuation constant tension wire tensioner according to claim 1, characterized in that: The box body is also provided with a long slot for the first pointer and the second pointer to pass through, and a scale is provided on one side of the long slot.

10. A digital servo reverse tension attenuation constant tension wire tensioner according to claim 1, characterized in that: The box body is provided with a second mounting seat for fixing the box body, and the second mounting seat is provided with a sixth screw rod for locking and fixing the box body.

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