Dual-drive constant-tension wire tensioner with servo attenuation

Abstract

The dual-drive constant-tension wire tensioner with the servo attenuation function comprises a reverse tension device arranged on the tensioner, the reverse tension device comprises a first layer plate and a second layer plate which are arranged on one side of a fixing plate respectively, and a tensioning assembly and a rotating assembly are arranged on the other side of the fixing plate respectively. The rotation assembly is connected with the tensioning assembly through the elastic assembly. A first tension adjusting assembly and a second tension adjusting assembly are arranged on the first layer plate. The reverse tension rod can swing around the first rotating shaft near the middle position within the swing range along with the change of the wire feeding speed of a winding wire or a hanging wire winding pin in the process of winding a coil or hanging the wire winding pin so as to tension or release the wire; the wire tensioner effectively solves the problems that a traditional wire tensioner cannot be suitable for conducting wire tension adjustment on the same electronic component in the two wire winding processes of wire hanging and foot winding and coil winding with the large wire tension range difference, and consequently the traditional wire tensioner is large in use limitation, poor in universality and the like.

Description

Technical Field

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

[0002] Winding the skeleton of electronic components mainly involves two winding processes, one is to wrap the skeleton feet, the other is to wind the skeleton into coils. The two different processing technologies of skeleton foot wrapping and coil winding have different requirements for wire tension, and there is a large gap in the wire tension adjustment range of the two different processes.

[0003] Traditional wire tensioners can only provide a very narrow tension adjustment range. They are not suitable for adjusting the wire tension of the same electronic component in two winding processes, namely, wire hanging and foot winding and coil winding, which have two wire tension ranges with large differences. As a result, they have problems such as large limitations in use and poor versatility. Summary of the invention

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a double-drive constant-tension wire tensioner with servo attenuation.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: the dual-drive constant tension wire tensioner with servo attenuation includes a tensioner, on which a counter-tension device is provided, the counter-tension device includes a fixed plate, one side of the fixed plate is respectively provided with a first layer plate and a second layer plate, the second layer plate is arranged above the first layer plate, and the other side of the fixed plate is respectively provided with a tensioning assembly and a rotating assembly, the rotating assembly is connected to the tensioning assembly through an elastic assembly, and the rotating assembly provides tension to the tensioning assembly through the elastic assembly; the first layer plate is provided with a first tension adjustment assembly and a second tension adjustment assembly, a driving element is provided under the first layer plate, and a locking assembly is provided on the second layer plate.

[0006] Preferably, the tensioning assembly comprises a first bearing seat mounted on the fixed plate, a first bearing is arranged in the first bearing seat, a first rotating shaft is arranged in the first bearing, one end of the first rotating shaft is mounted in the first bearing, a counter-tension rod is mounted on the other end of the first rotating shaft, the counter-tension rod is arranged vertically with 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.

[0007] Preferably, the rotary assembly includes a second bearing installed through the fixed plate, a second rotating shaft is arranged in the second bearing, a second rotating rod is arranged on one end of the second rotating shaft, a rotating disk is arranged on the other end of the second rotating shaft, a first rotating rod is arranged on the circumference of the rotating disk, a driving element drives the first rotating rod to rotate and then drives the rotating disk and the second rotating shaft to rotate, and the second rotating rod rotates with the second rotating shaft as the center to pull the tensioning assembly to achieve tensioning of the wire. The driving element can be a cylinder, but is not limited to this. In one embodiment, the first rotating rod is connected to the output shaft of the cylinder. 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 the cylinder can drive the first rotating rod to rotate back and forth when it moves telescopically. The first rotating rod and the second rotating rod are both functional descriptions of the rotating rod.

[0008] By adopting the above technical solution, after the wire crosses the wire hanging wheel, when the driving element performs telescopic movement, it can drive the first rotating rod to rotate forward and reversely, and the forward and reverse rotation of the first rotating rod can drive the rotating disk connected to it to rotate synchronously, and when the rotating disk rotates forward and reversely, it can drive the second rotating shaft to rotate synchronously forward and reversely, and when the second rotating shaft rotates forward and reversely, it can drive the second rotating rod connected to it to swing back and forth, and when the second rotating rod repeatedly swings, it can drive the counter-tension rod to swing synchronously back and forth with the first rotating shaft as the center through the tension spring. When the counter-tension rod rotates in the direction facing the second rotating rod with the first rotating shaft as the center under the drive of the driving element, the wire can be tensioned; conversely, when the counter-tension rod rotates in the direction facing away from the second rotating rod with the first rotating shaft as the center under the drive of the driving element, the wire can be released.

[0009] Preferably, the first tension adjustment assembly includes a first screw, one end of the first screw is rotatably connected to the first layer of the plate, and the other end of the first screw movably passes through the second layer of the plate, a first adjusting cross plate is provided on the first screw, and through holes are respectively provided at both ends of the first adjusting cross plate, and an internal thread is provided in the through hole on the end of the first adjusting cross plate close to the first screw, and the through hole with the internal thread of the first adjusting cross plate is adapted and installed with the first screw, and the first screw is rotated to drive the first adjusting cross plate to rise and then drive the first rotating rod to rotate and rise around the second rotating shaft, and the second rotating rod rotates around the second rotating shaft in a direction away from the tensioning assembly to increase the pulling force of the elastic assembly on the tensioning assembly, and the tensioning assembly is subjected to greater pulling force to adapt to the tensioning of the wire with greater tension; a first retaining spring is provided on the first screw, and the first retaining spring limits the raising of the first adjusting cross plate; a first pointer indicating the scale value corresponding to the current tension size is provided on the first adjusting cross plate.

[0010] The second tension adjustment assembly includes a second screw, one end of which is rotatably connected to the first layer plate, the other end of which passes through the second layer plate, a second adjustment cross plate is provided on the second screw, through holes are also provided at both ends of the second adjustment cross plate, and internal threads are also provided in the through holes on the end of the second adjustment cross plate close to the second screw, and the through holes with internal threads of the second adjustment cross plate are adapted and installed with the second screw, and the second screw is rotated to drive the second adjustment cross plate to lower and limit the rotation and elevation of the first rotating rod around the second rotating shaft to limit the maximum pulling force of the elastic component on the tensioning component; a second retaining spring is clamped on the second screw, and the second retaining spring limits the lowering of the second adjustment cross plate; a second pointer indicating the scale value corresponding to the current tension is provided on the second adjustment cross plate. The first adjustment cross plate and the second adjustment cross plate are both functional descriptions of the cross plate.

[0011] By adopting the above-mentioned technical scheme, when the first screw rod is rotated, the position of the first adjusting cross plate on the first screw rod can be adjusted to limit the starting position of the first rotating rod rotating on the turntable toward the second adjusting cross plate; when the second screw rod is rotated, the position of the second adjusting cross plate on the second screw rod can be adjusted to limit the end position of the circular motion of the first rotating rod on the turntable, so that the first rotating rod can rotate around the second rotating axis within the travel range between the first adjusting cross plate and the second adjusting cross plate.

[0012] Preferably, the through hole on the end of the first adjusting cross plate close to the second screw is slidably connected to the second screw, and the second screw stops and limits the lifting and lowering movement of the first adjusting cross plate; the through hole on the end of the second adjusting cross plate close to the first screw is slidably connected to the first screw, and the first screw stops and limits the lifting and lowering movement of the second adjusting cross plate.

[0013] Preferably, the locking assembly comprises a first locking screw and a second locking screw, the first locking screw is arranged on the second plate, and the second locking screw is arranged on the second plate.

[0014] Preferably, the elastic component includes more than one tension spring, one end of the tension spring is connected to the counter-tension rod, and the other end of the tension spring is connected to the rotating component. Specifically, the other end of the tension spring is connected to the second rotating rod in the rotating assembly.

[0015] Preferably, a cover plate is provided on one side of the fixed plate, and the cover plate is assembled with the fixed plate, the first layer plate and the second layer plate. A long groove is provided on one side of the cover plate, and a scale showing the tension value is provided on the long groove. The first pointer and the second pointer respectively pass through the long groove and indicate the scale of the tension value.

[0016] By adopting the above-mentioned technical scheme, since the tension required for the winding mechanism to hang the wire on the skeleton is relatively small, when the first screw is rotated, the first adjusting horizontal plate can be driven to move in the direction of the second adjusting horizontal plate, so that the first pointer indicates a scale value with a smaller tension to adjust the wire tension required for hanging the wire and winding the wire; after the hanging and winding of the wire are completed, during the process of the guide needle changing the angle to release the wire, the output shaft of the driving element drives the first rotating rod to rotate and move in the direction of the second adjusting horizontal plate (that is, the first rotating rod rotates from the first adjusting horizontal plate to the direction of the first retaining spring) around the second rotating shaft, so that the second rotating rod rotates in the direction away from the anti-tension rod with the second rotating shaft as the center, and the tension spring is affected by the tension of the rotation of the second rotating rod. The tension spring deforms and becomes longer, and the tension of the tensile force on the counter-tension rod increases, which makes the wire hanging wheel on the counter-tension rod pull larger. In this process, the counter-tension rod tightens the wire released by the guide needle changing its angle when the guide needle switches from winding with the hanging foot to winding the coil. At this time, the counter-tension rod is in the middle position between the highest position and the lowest position of the counter-tension rod's swing. The tension of the tensile spring acting on the wire hanging wheel through the counter-tension rod is equivalent to the tension of the wire on the wire hanging wheel. During the process of winding the coil by the winding mechanism, the counter-tension rod can swing around the first rotating shaft at the middle position between the highest position and the lowest position of its swing to tension or release the wire as the wire feeding speed of the winding changes.

[0017] When the second screw is twisted to drive the second adjusting horizontal plate to move in the direction of the first adjusting horizontal plate, the terminal position of the rotational movement of the first rotating rod can be limited, so that it can achieve the maximum stroke of the rotational movement of the first rotating rod; when the driving element drives the first rotating rod to rotate and move in the direction of the second adjusting horizontal plate and the torque generated by the pulling force of the tension spring on the counter-tension rod is much greater than the torque generated by the pulling force of the wire hanging on the wire hanging wheel on the counter-tension rod through the wire hanging wheel, the counter-tension rod is pulled tightly against the gear rod by the tension spring and is limited by the gear rod. During the process of winding a coil or hanging a wire foot, the counter-tension rod of the winding mechanism cannot swing around the first rotating shaft to tighten or release the wire as the wire feeding speed of the winding or hanging wire changes; by twisting the second screw, the position of the first adjusting horizontal plate on the second screw can be adjusted to limit the terminal position of the rotational movement of the first rotating rod, which ensures that during the process of winding a coil or hanging a wire foot, the counter-tension rod swings around the first rotating shaft near the middle position within the swingable range as the wire feeding speed of the winding or hanging wire foot changes to tighten or release the wire.

[0018] Preferably, a first stopper and a second stopper are respectively provided at both ends of the first screw rod; the first stopper is fixed under the second layer of plate, and the first stopper buffers and limits the rising of the second adjusting cross plate, and the second stopper is fixed on the first layer of plate, and the second stopper buffers and limits the lowering of the first adjusting cross plate; a third stopper and a fourth stopper are respectively provided at both ends of the second screw rod; the third stopper is fixed under the second layer of plate, and the third stopper buffers and limits the rising of the second adjusting cross plate, and the fourth stopper is fixed on the first layer of plate, and the fourth stopper buffers and limits the lowering of the first adjusting cross plate.

[0019] By adopting the above technical solution, the second adjusting transverse plate moves between the third stopper and the second retaining spring, and the third stopper and the second retaining spring limit the travel of the second adjusting transverse plate to define the terminal position of the rotational movement of the first rotating rod.

[0020] Preferably, the first stopper, the second stopper, the third stopper and the fourth stopper are all preferably rubber gaskets.

[0021] Preferably, a shift lever is provided on one side of the fixed plate, and the shift lever limits the rotation of the counter-tension rod in a direction facing the second rotating rod with the first rotating shaft as the center.

[0022] By adopting the above-mentioned technical scheme, when the first rotating rod is blocked by the first adjusting horizontal plate on the circumference of the rotating disk close to the first screw rod, the first adjusting horizontal plate moves toward the second adjusting horizontal plate to drive the first rotating rod to rotate and move in the direction of the second adjusting horizontal plate. The first rotating rod can drive the rotating disk to rotate under the drive of the driving element. The rotation of the rotating disk can drive the second rotating shaft to rotate synchronously and then drive the second rotating rod to rotate around the second rotating shaft in the direction away from the counter-tension rod. Since the counter-tension rod is limited by the gear lever when it rotates to touch the gear lever, when the second rotating rod rotates in the direction away from the counter-tension rod, the tension spring is stretched by the tension of the second rotating rod and becomes longer. The longer the tension spring is stretched, the greater the elastic force will be, and the greater the tension of the counter-tension rod to tighten the wire.

[0023] Preferably, the tensioner is also provided with a control panel, which has a built-in controller for signal control with drive elements and other components. 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.

[0024] The beneficial effects of the utility model are as follows: 1. The structure of the counter-tension device is designed so that when the output shaft of the driving element drives the first rotating rod to rotate and move around the second rotating shaft in the direction of the second adjusting horizontal plate, the second rotating rod can rotate in the direction away from the counter-tension rod with the second rotating shaft as the center of the circle to stretch the tension spring. When the tension spring is stretched and lengthened, the pulling force on the counter-tension rod becomes larger, so that the pulling force of the wire hanging wheel on the counter-tension rod on the wire becomes larger. In this process, the counter-tension rod tightens the wire released by the guide needle when the angle is changed during the process of winding the wire from the hanging foot to the coil; at this time, the counter-tension rod is in the middle position between the highest position and the lowest position of the counter-tension rod's swing, and the pulling force of the tension spring acting on the wire hanging wheel through the counter-tension rod is equivalent to the pulling force of the wire on the wire hanging wheel, so that during the process of winding the coil, the counter-tension rod can swing around the first rotating shaft at the middle position between the highest position and the lowest position of its swing as the wire feeding speed of the winding changes to tension or release the wire.

[0025] 2. The rotating assembly and the tensioning assembly are connected by an elastic assembly. The rotating assembly provides tension to the tensioning assembly through the elastic assembly. The tension of the rotating assembly to the tensioning assembly is more balanced. The rotating assembly can control the tension of the wire more accurately through the tensioning assembly.

[0026] 3. The first retaining spring can limit the rotational movement of the first adjusting horizontal plate. The first adjusting horizontal plate moves between the second stop block and the first retaining spring to limit the starting position of the rotational movement of the first rotating rod around the second rotating axis, thereby preventing the counter-tension rod from rotating to the lowest position and being restricted by the lowest position after the driving element fails. The counter-tension rod cannot swing around the first rotating axis to tension or release the wire as the wire feeding speed of the winding mechanism changes during the process of winding the coil or hanging the wire winding foot.

[0027] 4. When the second screw is twisted, the second adjusting horizontal plate can be driven to move in the direction of the first adjusting horizontal plate to limit the end position of the rotational movement of the first rotating rod, which can control the maximum stroke of the rotational movement of the first rotating rod; when the driving element drives the first rotating rod to rotate and move in the direction of the second adjusting horizontal plate, the longer the tension spring is deformed by the tension of the second rotating rod, the greater the tension of the tension spring on the counter-tension rod; when the torque generated by the tension of the tension spring on the counter-tension rod is much greater than the torque generated by the tension of the wire hanging on the wire hanging wheel on the counter-tension rod, the counter-tension rod is pulled tightly against the gear rod by the tension spring and is limited by the gear rod. In the process of winding the coil or hanging the wire, the counter-tension rod cannot change with the wire feeding speed of winding or hanging. The wire is then pulled back or extended to the cam by the second adjusting screw, so that the wire can be pulled back or extended to the cam by the second adjusting screw.

[0028] 5. Its overall structural design is suitable for adjusting the wire tension of the same electronic component in two winding processes, namely, coil winding and wire winding, which have a large difference in wire tension range. It ensures the constant output wire tension. It not only has the advantage of strong versatility, but also can improve the compactness and flatness of the coil wound by the winding mechanism, thereby achieving improved yield rate and effectively solving the problem that the traditional wire tensioner is not suitable for adjusting the wire tension of the same electronic component in two winding processes, namely, wire winding and coil winding, which have a large difference in wire tension range, resulting in large limitations in use and poor versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] For ease of explanation, the present invention is described in detail with reference to the following preferred embodiments and accompanying drawings.

[0030] Figure 1 It is a stereoscopic diagram of a dual-drive constant tension wire tensioner with servo attenuation of the utility model.

[0031] Figure 2 It is a stereoscopic diagram of a back tension device of a dual-drive constant tension wire tensioner with servo attenuation of the utility model.

[0032] Figure 3The utility model is a structural stereogram of a double-drive constant tension wire tensioner with servo attenuation with a cover plate removed from a counter-tension device.

[0033] Figure 4 It is a right view of the back tension device of a dual-drive constant tension wire tensioner with servo attenuation of the utility model.

[0034] Figure 5 This is a structural stereoscopic diagram from another angle of the reverse tension device of the dual-drive constant tension wire tensioner with servo attenuation of the utility model with the cover plate removed.

[0035] Figure 6 The utility model is a left view of a counter-tension device of a dual-drive constant-tension wire tensioner with servo attenuation with the cover removed.

[0036] Figure 7 The utility model is a top view of a wire clamp of a dual-drive constant tension wire tensioner with servo attenuation. DETAILED DESCRIPTION

[0037] 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.

[0038] 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.

[0039] In this embodiment, refer to Figures 1 to 7 As shown, the utility model is a dual-drive constant tension wire tensioner with servo attenuation, including a tensioner 1, on which a counter-tension device 2 is provided, wherein the counter-tension device 2 includes a fixed plate 20, and one side of the fixed plate 20 is provided with a first layer plate 21 and a second layer plate 22, respectively, and the second layer plate 22 is arranged above the first layer plate 21, and the other side of the fixed plate 20 is provided with a tensioning component 3 and a rotating component 4, respectively, the rotating component 4 is connected to the tensioning component 3 through an elastic component 5, and the rotating component 4 provides a pulling force to the tensioning component 3 through the elastic component 5; the first layer plate 21 is provided with a first tension adjusting component 6 and a second tension adjusting component 7, a driving element 8 is provided under the first layer plate 21, and a locking component 9 is provided on the second layer plate 22.

[0040] In one embodiment, the tensioning assembly 3 includes a first bearing seat 31 installed on the fixed plate 20, a first bearing 32 is provided in the first bearing seat 31, a first rotating shaft 33 is provided in the first bearing 32, one end of the first rotating shaft 33 is installed in the first bearing 32, and a counter-tension rod 34 is installed on the other end of the first rotating shaft 33, the counter-tension rod 34 is vertically arranged with the first rotating shaft 33, and a wire hanging wheel 35 for transmitting the wire is provided on the end of the counter-tension rod 34 away from the first rotating shaft 33.

[0041] In one embodiment, the rotating assembly 4 includes a second bearing 41 installed on the fixed plate 20, a second rotating shaft 42 is arranged in the second bearing 41, a second rotating rod 43 is arranged on one end of the second rotating shaft 42, a rotating disk 44 is arranged on the other end of the second rotating shaft 42, a first rotating rod 45 is arranged on the circumference of the rotating disk 44, the driving element 8 drives the first rotating rod 45 to rotate and then drives the rotating disk 44 and the second rotating shaft 42 to rotate, and the second rotating rod 43 rotates with the second rotating shaft 42 as the center to pull the tensioning assembly 3 to achieve tensioning of the wire.

[0042] In one embodiment, the first tension adjustment component 6 includes a first screw 61, one end of the first screw 61 is rotatably connected to the first layer plate 21, the other end of the first screw 61 movably passes through the second layer plate 22, a first adjusting cross plate 62 is provided on the first screw 61, and through holes are respectively provided at both ends of the first adjusting cross plate 62, and an internal thread is provided in the through hole on the end of the first adjusting cross plate 62 close to the first screw 61, and the through hole with the internal thread of the first adjusting cross plate 62 is adapted and installed with the first screw 61, and the first screw 61 is rotated to drive the first adjusting cross plate 62. An adjusting cross plate 62 rises and drives the first rotating rod 45 to rotate and rise around the second rotating shaft 42. The second rotating rod 43 rotates around the second rotating shaft 42 in the direction away from the tensioning assembly 3 to increase the pulling force of the elastic assembly 5 on the tensioning assembly 3. The tensioning assembly 3 is subjected to a greater pulling force to adapt to the tensioning of the wire with a greater tension. The first screw rod 61 is provided with a first retaining spring 63, and the first retaining spring 63 limits the raising of the first adjusting cross plate 62. The first adjusting cross plate 62 is provided with a first pointer 64 indicating the scale value corresponding to the current tension.

[0043] The second tension adjustment assembly 7 includes a second screw rod 71, one end of which is rotatably connected to the first layer plate 21, and the other end of the second screw rod 71 passes through the second layer plate 22. A second adjusting cross plate 72 is provided on the second screw rod 71, and through holes are also provided at both ends of the second adjusting cross plate 72. An internal thread is provided in the through hole on the end of the second adjusting cross plate 72 close to the second screw rod 71, and the through hole with the internal thread of the second adjusting cross plate 72 is adapted and installed with the second screw rod 71. The second screw rod 71 is rotated to drive the second adjusting cross plate 72 to descend and limit the rotation and elevation of the first rotating rod 45 around the second rotating shaft 42 to limit the maximum pulling force of the elastic assembly 5 on the tensioning assembly 3; a second retaining spring 73 is clamped on the second screw rod 71, and the second retaining spring 73 limits the lowering of the second adjusting cross plate 72; a second pointer 74 indicating the scale value corresponding to the current tension size is provided on the second adjusting cross plate 72.

[0044] In one of the embodiments, the through hole on one end of the first adjusting cross plate 62 close to the second screw rod 71 is slidably connected to the second screw rod 71, and the second screw rod 71 stops and limits the lifting and lowering movement of the first adjusting cross plate 62; the through hole on one end of the second adjusting cross plate 72 close to the first screw rod 61 is slidably connected to the first screw rod 61, and the first screw rod 61 stops and limits the lifting and lowering movement of the second adjusting cross plate 72.

[0045] In one embodiment, the locking assembly 9 includes a first locking screw 91 and a second locking screw 92. The first locking screw 91 for locking the first screw 61 is provided on the second plate 22, and the first locking screw 91 locks the first screw 61 to prevent it from rotating. The second locking screw 92 for locking the second screw 71 is provided on the second plate 22, and the second locking screw 92 locks the second screw 71 to prevent it from rotating.

[0046] In one embodiment, the elastic component 5 includes one or more tension springs 51 , one end of the tension spring 51 is connected to the counter-tension rod 34 , and the other end of the tension spring 51 is connected to the second rotating rod 43 .

[0047] In one of the embodiments, a cover plate 23 is further provided on one side of the fixed plate 20, and the cover plate 23 is assembled with the fixed plate 20, the first layer plate 21 and the second layer plate 22. A long groove 24 is provided on one side of the cover plate 23, and a scale showing the tension value is provided on the long groove 24. The first pointer 64 and the second pointer 74 respectively pass through the long groove 24 and indicate the scale of the tension value.

[0048] In one of the embodiments, a first stopper 65 and a second stopper 66 are respectively provided at both ends of the first screw rod 61; the first stopper 65 is fixed under the second layer plate 22, and the first stopper 65 buffers and limits the rise of the second adjusting transverse plate 72, and the second stopper 66 is fixed on the first layer plate 21, and the second stopper 66 buffers and limits the lowering of the first adjusting transverse plate 62; a third stopper 75 and a fourth stopper 76 are respectively provided at both ends of the second screw rod 71; the third stopper 75 is fixed under the second layer plate 22, and the third stopper 75 buffers and limits the rise of the second adjusting transverse plate 72, and the fourth stopper 76 is fixed on the first layer plate 21, and the fourth stopper 76 buffers and limits the lowering of the first adjusting transverse plate 62.

[0049] In one embodiment, a shift lever 25 is provided on one side of the fixing plate 20 , and the shift lever 25 limits the rotation of the counter-tension rod 34 in a direction facing the second rotating rod 43 with the first rotating shaft 33 as the center.

[0050] In one embodiment, the driving element 8 may be a cylinder, but is not limited thereto. The first stopper 65, the second stopper 66, the third stopper 75 and the fourth stopper 76 are preferably elastomeric gaskets.

[0051] In one embodiment, the tensioner 1 is also provided with a first wire feeding wheel 10 and a second wire feeding wheel 11, the first wire feeding wheel 10 is arranged above the second wire feeding wheel 11, and a first wire guide wheel 12 and a wire clamp 13 are respectively arranged on one side of the second wire feeding wheel 11 from bottom to top, a second wire guide wheel 14 is arranged on the upper right side of the first wire feeding wheel 10, and a third wire guide wheel 15, a tension sensor 16 and a fourth wire guide wheel 17 are respectively arranged on the same side of the first wire feeding wheel 10 and the second wire feeding wheel 11 from top to bottom. The first wire feeding wheel 10 is connected to a first motor, and the first wire feeding wheel 10 is installed on the output shaft of the first motor. The second wire feeding wheel 11 is connected to a second motor, and the second wire feeding wheel 11 is installed on the output shaft of the second motor. The wire 18 passes through the first wire wheel 12 through the wire clamp 13, and then passes through the first wire feeding wheel 10 and the second wire feeding wheel 11 from top to bottom, and then passes through the second wire wheel 14, the wire hanging wheel in the anti-tension device 2, the third wire wheel 15, the tension sensor 16 and the fourth wire wheel 17 in sequence. Finally, the wire 18 is transmitted from the fourth wire wheel 17 to supply the winding mechanism. The tension sensor 16 can be a tension sensor of model SFZLF, but is not limited thereto.

[0052] In one embodiment, the wire clamp 13 includes a fixed base 131 and a pressure plate 132 relatively arranged thereon, and the fixed base 131 and the pressure plate 132 relatively form a "V"-shaped groove; a third screw rod 133 is provided through the center of the wire clamp 13, and a nut 134 is provided at one end of the third screw rod 133.

[0053] In one embodiment, the dual-drive constant tension wire tensioner with servo attenuation is used in conjunction with a winding mechanism, and its operating process is as follows: the wire 18 passes through the first wire wheel 12 and the wire clamp 13 in sequence, and the wire clamp 13 and the first wire wheel 12 respectively limit the wire 18 vertically to prevent the wire 18 from shaking during the transmission process.

[0054] Next, the wire 18 passes over the first wire feeding wheel 10 from above the first wire feeding wheel 10 and then passes over the second wire feeding wheel 11 from below the second wire feeding wheel 11. Since the first wire feeding wheel 10 and the second wire feeding wheel 11 are respectively arranged on the output shafts of the first motor and the second motor, the first motor drives the first wire feeding wheel 10 to rotate and transmit the wire 18, and the second motor drives the second wire feeding wheel 11 to rotate and transmit the wire 18; when the real-time tension of the transmitted wire 18 is greater than the tension required for winding, the two motors respectively drive the first wire feeding wheel 10 and the second wire feeding wheel 11 to actively accelerate the transmission of the wire 18; when the real-time tension of the transmitted wire 18 is less than the tension required for winding, the two motors respectively drive the first wire feeding wheel 10 and the second wire feeding wheel 11 to decelerate the transmission of the wire 18, so as to ensure that the tension of the output wire 18 can be kept constant, thereby improving the compactness and flatness of the wound coil, and finally improving the yield rate of the product. After the wire 18 passes around the second wire feeding wheel 11, it passes through the second wire guide wheel 14, and crosses the wire hanging wheel 35 of the anti-tension device 2 and passes through the third wire guide wheel 15. The anti-tension device 2 can tension the wire 18 transmitted through it. Then, the wire 18 passes through the tension sensor 16 and the fourth wire guide wheel 17 from the third wire guide wheel 15 in sequence. The tension sensor 16 monitors the wire feeding tension of the wire 18 transmitted through it in real time and feeds back to the controller, so that the controller adjusts the wire feeding speed of the first motor and the second motor respectively to ensure that the tension of the wire 18 provided to the winding mechanism is constant. The wire 18 is finally output to the winding mechanism through the fourth wire guide wheel 17 to provide the winding coil with the wire 18 with constant tension.

[0055] The tensioner 1 is provided with a counter-tension device 2. When the wire 18 crosses the wire hanging wheel 35, the counter-tension rod 34 rotates in the direction facing the second rotating rod 43 to tension the wire 18; when the counter-tension rod 34 rotates in the direction facing away from the second rotating rod 43 with the first rotating shaft 33 as the center, the wire 18 is released. The first screw rod 61 is rotated to adjust the position of the first adjusting horizontal plate 62 on the first screw rod 61 to define the starting position of the first rotating rod 45 rotating on the rotating disk 44 in the direction of the second adjusting horizontal plate 72. The second screw 71 is rotated to adjust the position of the second adjusting horizontal plate 72 on the second screw 71 to define the end position of the first rotating rod 45 making a circular motion on the rotating disk 44, so that the first rotating rod 45 can rotate around the second rotating shaft 42 within the travel range between the first adjusting horizontal plate 62 and the second adjusting horizontal plate 72. The first rotating rod 45 is blocked by the first adjusting transverse plate 62 on the circumference of the rotating disk 44 near the first screw rod 61, and the first adjusting transverse plate 62 moves toward the second adjusting transverse plate 72 to drive the first rotating rod 45 to rotate and move in the direction of the second adjusting transverse plate 72 (that is, the first rotating rod 45 is from the first adjusting transverse plate 62 to the direction of the first retaining spring 63). When the first rotating rod 45 rotates, it can drive the rotating disk 44 to rotate synchronously, and the rotating disk 44 can drive the second rotating shaft 42 to rotate and then drive the second rotating rod 43 to rotate around the second rotating shaft 42 in the direction away from the counter-tension rod 34. When the second rotating rod 43 rotates, it can drive the counter-tension rod 34 to move in the same direction through the tension spring 51. When the counter-tension rod 34 moves toward the second rotating rod 43 and contacts the shift rod 25, it will be limited by the shift rod 25. When the second rotating rod 43 rotates in the direction away from the counter-tension rod 34, the tension spring 51 will be lengthened due to the tension of the second rotating rod 43. The longer the tension spring 51 is stretched, the greater the elastic force will be, and the tension of the counter-tension rod 34 to tighten the wire 18 will be greater.

[0056] Since the wire tension required for the wire hanging and winding foot when the winding mechanism performs wire winding on the skeleton jig for winding the coil is relatively small, and the wire tension required for the wire winding foot when the winding mechanism turns to the skeleton winding coil after the wire hanging and winding foot is completed is relatively large, when the winding mechanism turns to the process of winding the coil after the wire hanging and winding foot is completed, the wire will be released when the guide needle of the wire hanging and winding foot is converted from the straight wire hanging to the vertical wire arrangement angle. The process of releasing the wire will make the wire loose and have no tension, which cannot meet the wire tension requirements required for winding the coil, resulting in the winding coil being loose and the winding coil being loose, that is, it is impossible to adjust the wire tension for the same electronic component by performing the two winding processes of wire hanging and winding foot and winding coil respectively, which have a large difference in wire tension range. In order to solve this problem, a counter-tension device 2 is provided on the tensioner 1, so that it can drive the wire hanging wheel 35 to tighten the wire 18 by using the counter-tension rod 34 of the counter-tension device 2 to rotate in the direction facing the second rotating rod 43 with the first rotating shaft 33 as the center of the circle, thereby restoring the tension of the wire 18.

[0057] When the tension required for the winding mechanism to hang the wire on the skeleton is relatively small, the first screw 61 is rotated to drive the first adjusting cross plate 62 to move toward the second adjusting cross plate 72, so that the first pointer 64 indicates a scale value with a smaller tension to facilitate reading the wire tension required for adjusting the skeleton to hang the wire and wrap the wire; after the winding mechanism has completed hanging the wire on the skeleton, during the process of the guide needle changing the angle to release the wire, the output shaft of the driving element 8 extends to drive the first rotating rod 45 to rotate and move around the second rotating shaft 42 in the direction of the second adjusting cross plate 72, so that the second rotating rod 43 rotates in the direction away from the anti-tension rod 34 with the second rotating shaft 42 as the center of the circle, and the tension spring 51 becomes longer due to the tension of the second rotating rod 43, and the lengthened tension spring 51 has an effect on the anti-tension rod 34. The tension of the tension rod 34 becomes larger, which makes the tension of the wire hanging wheel 35 on the counter-tension rod 34 larger. In this process, the counter-tension rod 34 tightens the wire released by the guide needle changing its angle when the guide needle switches from the hanging foot winding to the coil winding process; at this time, the counter-tension rod 34 is in the middle position between the highest position and the lowest position of the counter-tension rod 34, and the tension of the tension spring 51 acting on the wire hanging wheel 35 through the counter-tension rod 34 is equivalent to the tension of the wire 18 on the wire hanging wheel 35, so that the counter-tension rod 34 can be achieved in the process of winding the coil by the winding mechanism. At the middle position between the highest position and the lowest position of its swing, it can swing around the first rotating shaft 33 to tension or release the wire 18 as the wire feeding speed of the winding changes.

[0058] When the winding mechanism finishes winding the coil, the guide needle switches from the wire arranging state to the wire hanging and winding foot state. Since the tension required for the wire of the wire hanging and winding foot is relatively small, the pulling force of the tension spring 51 on the wire hanging wheel 35 through the counter-tension rod 34 will be greater than the pulling force of the wire of the wire hanging and winding foot on the wire hanging wheel 35. At this time, it is necessary to reduce the pulling force of the tension spring 51 on the counter-tension rod 34 to keep the wire tension constant. It drives the output shaft of the driving element 8 to retract to release the push on the first rotating rod 45, so that the second rotating rod 43 is subjected to the tension of the tension spring 51 to rotate around the second rotating shaft 42 in the direction facing the counter-tension rod 34. The rotation of the second rotating rod 43 can drive the turntable 44 to rotate synchronously. At the same time, the turntable 44 drives the first rotating rod 45 to rotate around the second rotating shaft 42 in the direction of the first adjusting cross plate 62 until the first rotating rod 45 falls on the first adjusting cross plate 62 and is blocked by the first adjusting cross plate 62. At this time, the tension of the tension spring 51 on the wire hanging wheel 35 through the counter-tension rod 34 is equivalent to the tension of the wire 18 of the wire hanging foot on the wire hanging wheel 35, so that the counter-tension rod 34 can be swung around the first rotating shaft 33 at an intermediate position between its highest and lowest swinging positions to tension or release the wire 18 as the wire feeding speed of the wire hanging foot changes.

[0059] The first retaining spring 63 limits the rotational movement of the first adjusting cross plate 62, and the first adjusting cross plate 62 moves between the second stop block 66 and the first retaining spring 63 to limit the starting position of the rotational movement of the first rotating rod 45 around the second rotating shaft 42, to prevent the counter-tension rod 34 from rotating to the lowest position and being blocked and restricted by the lowest position after the driving element 8 fails. The counter-tension rod 34 cannot swing around the first rotating shaft 33 to tension or release the wire 18 as the wire feeding speed of the winding or wire hanging foot changes during the process of winding the coil or the wire hanging foot of the winding mechanism, so as to avoid the tension of the wire on the wire hanging wheel being inconsistent with the tension of the tension spring acting on the wire hanging wheel through the counter-tension rod.

[0060] The second screw rod 71 is twisted to drive the second adjusting cross plate 72 to move in the direction of the first adjusting cross plate 62 to limit the terminal position of the rotational movement of the first rotating rod 45, so as to realize the maximum stroke of the rotational movement of the first rotating rod 45. The driving element 8 drives the first rotating rod 45 to rotate in the direction of the second adjusting cross plate 72, which can drive the second rotating rod 43 to move in the direction away from the counter-tension rod 34 with the second rotating axis 42 as the center, so that the tension spring 51 is deformed and lengthened by the tension of the second rotating rod 43, and the longer the deformation of the tension spring 51 is, the greater the tension of the tension spring 51 on the counter-tension rod 34 is. When the torque generated by the tension of the tension spring 51 on the counter-tension rod 34 is much greater than the torque generated by the tension of the wire 18 hung on the wire hanging wheel 35 on the counter-tension rod 34 through the wire hanging wheel 35 When the torque is generated by the pulling force, the counter-tension rod 34 is pulled by the tension spring 51 and tightly pressed against the gear rod 25 and is limited by the gear rod 25. During the process of winding the coil or hanging the wire by the winding mechanism, the counter-tension rod 34 cannot swing around the first rotating shaft 33 to tension or release the wire 18 as the wire feeding speed of the winding or hanging wire changes, so as to keep the pulling force of the wire 18 on the wire hanging wheel 35 equivalent, thereby ensuring that the counter-tension rod 34 can swing around the first rotating shaft 33 to tension or release the wire 18 as the wire feeding speed of the winding changes during the process of winding the coil by the winding mechanism, so as to ensure the constant tension of the output wire 18.

[0061] When the second screw rod 71 is twisted and the position of the first adjusting cross plate 62 on the second screw rod 71 is adjusted, the end position of the rotational movement of the first rotating rod 45 can be limited. It also ensures that the counter-tension rod 34 can swing around the first rotating shaft 33 near the middle position within the swinging range to tension or release the wire 18 as the wire feeding speed of the winding or wire hanging foot changes during the process of winding the coil or hanging the wire winding foot by the winding mechanism; the second adjusting cross plate 72 moves between the third stop block 75 and the second retaining spring 73, and the third stop block 75 and the second retaining spring 73 limit the stroke of the second adjusting cross plate 72 to define the end position of the rotational movement of the first rotating rod 45.

[0062] The overall structural design realizes that the counter-tension rod 34 of the counter-tension device 2 rotates with the first rotating shaft 33 as the center in the direction facing or facing away from the second rotating rod 43 to drive the wire hanging wheel 35 to tighten or loosen the wire 18, and keeps the tension of the counter-tension rod 34 on the wire hanging wheel 35 equal to the tension of the wire 18 on the wire hanging wheel 35, so that the counter-tension rod 34 can swing around the first rotating shaft 33 near the middle position of the swinging range during the process of winding the coil or hanging the wire winding foot to tighten or release the wire 18 as the wire feeding speed of the winding or hanging wire winding foot changes, which ensures that the output wire 18 The constant tension can improve the compactness and flatness of the winding coil, thereby improving the yield rate, and it meets the requirement of adjusting the wire tension for the same electronic component in two winding processes with a large difference in wire tension range, namely, winding coils and winding wires, and it has the advantage of strong versatility, and effectively solves the problem that the traditional wire tensioner is not suitable for adjusting the wire tension for the same electronic component in two winding processes with a large difference in wire tension range, namely, winding wires and winding coils, which leads to large limitations in use and poor versatility.

[0063] 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 dual-drive constant tension wire tensioner with servo attenuation, comprising a tensioner, characterized in that: The tensioner is provided with a counter-tension device, which includes a fixed plate, a first layer plate and a second layer plate are respectively provided on one side of the fixed plate, the second layer plate is provided above the first layer plate, and a tensioning assembly and a rotating assembly are respectively provided on the other side of the fixed plate, the rotating assembly is connected to the tensioning assembly through an elastic assembly, and the rotating assembly provides tension to the tensioning assembly through the elastic assembly; a first tension adjusting assembly and a second tension adjusting assembly are provided on the first layer plate, a driving element is provided under the first layer plate, and a locking assembly is provided on the second layer plate.

2. A dual-drive constant tension wire tensioner with servo attenuation according to claim 1, characterized in that: The tensioning assembly includes a first bearing seat installed on a fixed plate, a first bearing is arranged in the first bearing seat, a first rotating shaft is arranged in the first bearing, one end of the first rotating shaft is installed in the first bearing, a counter-tension rod is installed on the other end of the first rotating shaft, the counter-tension rod is arranged vertically to 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.

3. A dual-drive constant tension wire tensioner with servo attenuation according to claim 1, characterized in that: The rotating assembly includes a second bearing installed through the fixed plate, a second rotating shaft is arranged in the second bearing, a second rotating rod is arranged on one end of the second rotating shaft, a rotating disk is arranged on the other end of the second rotating shaft, a first rotating rod is arranged on the circumference of the rotating disk, a driving element drives the first rotating rod to rotate and then drives the rotating disk and the second rotating shaft to rotate, and the second rotating rod rotates with the second rotating shaft as the center to pull the tensioning assembly to achieve tensioning of the wire.

4. A dual-drive constant tension wire tensioner with servo attenuation according to claim 1, characterized in that: The first tension adjustment assembly includes a first screw, one end of which is rotatably connected to the first layer plate, and the other end of the first screw movably penetrates the second layer plate, a first adjusting horizontal plate is provided on the first screw, and through holes are respectively provided at both ends of the first adjusting horizontal plate, and an internal thread is provided in the through hole on the end of the first adjusting horizontal plate close to the first screw, and the through hole with the internal thread of the first adjusting horizontal plate is adapted to be installed with the first screw; a first retaining spring is provided on the first screw, and the first retaining spring limits the lifting of the first adjusting horizontal plate; a first pointer indicating the scale value corresponding to the current tension size is provided on the first adjusting horizontal plate; The second tension adjustment assembly includes a second screw, one end of which is rotatably connected to the first layer of the plate, and the other end of the second screw passes through the second layer of the plate. A second adjusting cross plate is provided on the second screw, and through holes are provided at both ends of the second adjusting cross plate respectively. An internal thread is also provided in the through hole on the end of the second adjusting cross plate close to the second screw, and the through hole with the internal thread of the second adjusting cross plate is adapted for installation with the second screw; a second retaining spring is clamped on the second screw, and the second retaining spring limits the lowering of the second adjusting cross plate; a second pointer is provided on the second adjusting cross plate to indicate the scale value corresponding to the current tension size.

5. A dual-drive constant tension wire tensioner with servo attenuation according to claim 4, characterized in that: The through hole on one end of the first adjusting cross plate close to the second screw is slidably connected to the second screw, and the second screw stops and limits the lifting and lowering movement of the first adjusting cross plate; the through hole on one end of the second adjusting cross plate close to the first screw is slidably connected to the first screw, and the first screw stops and limits the lifting and lowering movement of the second adjusting cross plate.

6. A dual-drive constant tension wire tensioner with servo attenuation according to claim 1, characterized in that: The locking assembly includes a first locking screw and a second locking screw. The first locking screw is provided on the second plate to lock the first screw, and the first locking screw locks the first screw to prevent it from rotating; the second locking screw is provided on the second plate to lock the second screw, and the second locking screw locks the second screw to prevent it from rotating.

7. A dual-drive constant tension wire tensioner with servo attenuation according to claim 3, characterized in that: The elastic component includes more than one tension spring, one end of the tension spring is connected to the counter-tension rod, and the other end of the tension spring is connected to the second rotating rod.

8. The dual-drive constant tension wire tensioner with servo attenuation according to claim 1, characterized in that: A cover plate is also provided on one side of the fixed plate, and the cover plate is assembled with the fixed plate, the first layer plate and the second layer plate. A long groove is provided on one side of the cover plate, and a scale for displaying the tension value is provided on the long groove.

9. A dual-drive constant tension wire tensioner with servo attenuation according to claim 4, characterized in that: A first stopper and a second stopper are respectively provided at both ends of the first screw rod, the first stopper is fixed under the second layer of plate, and the first stopper buffers and limits the rising of the second adjusting cross plate, and the second stopper is fixed on the first layer of plate, and the second stopper buffers and limits the lowering of the first adjusting cross plate; a third stopper and a fourth stopper are respectively provided at both ends of the second screw rod; the third stopper is fixed under the second layer of plate, and the third stopper buffers and limits the rising of the second adjusting cross plate, and the fourth stopper is fixed on the first layer of plate, and the fourth stopper buffers and limits the lowering of the first adjusting cross plate.

10. A dual-drive constant tension wire tensioner with servo attenuation according to claim 3, characterized in that: A shift lever is provided on one side of the fixing plate, and the shift lever limits the rotation of the counter-tension rod in the direction facing the second rotating rod.

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