CN210973390U - Tension control device - Google Patents
Tension control device Download PDFInfo
- Publication number
- CN210973390U CN210973390U CN201921438795.9U CN201921438795U CN210973390U CN 210973390 U CN210973390 U CN 210973390U CN 201921438795 U CN201921438795 U CN 201921438795U CN 210973390 U CN210973390 U CN 210973390U
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- tension
- motor
- yarn
- brake
- control device
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- 238000013016 damping Methods 0.000 claims abstract description 23
- 238000004804 winding Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 19
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims 4
- 238000009987 spinning Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Abstract
The utility model discloses a tension control device, which is used for controlling the tension of yarn and is characterized in that the tension control device comprises a frame; the yarn winding device comprises a frame, a yarn winding disc, a yarn guide plate and a yarn guide plate, wherein the yarn winding disc is arranged on the frame; the brake rope is wound on the brake groove and is provided with a near end and a far end, and the near end is connected with the rack; the tension assembly is installed on the rack, the tension assembly is connected with the far end of the brake rope, and the tension assembly is used for adjusting the tension of the brake rope to control the brake damping received by the yarn disc. The tension assembly adjusts tightness of the brake rope through one end of the brake rope to adjust brake damping received by the yarn disc, so that yarn tension can be kept within a proper range.
Description
Technical Field
The utility model relates to a textile apparatus technical field especially relates to a tension control device.
Background
During weaving, the yarn tension generally needs to be maintained within a stable range. If the tension of the yarn is too low, it may cause the fabric to bend or become knotted. If the tension of the yarn is too high, it may cause the fabric to break.
At present, the existing tension control device usually winds a brake rope on a yarn coil and applies brake damping to the yarn coil, one end of the brake rope is connected with a rack, the other end of the brake rope is connected with a weight with a specific weight, and the size of the weight is adjusted by manual experience to adjust the tension of the yarn. In the spinning process, the tension of the yarn is usually changed due to the influence of the spinning speed or the rotating speed of a yarn coil, and the conventional tension control device cannot obtain proper brake damping by adjusting the weight size through manual experience, so that the tension of the yarn cannot be adjusted in time, and the tension of the yarn cannot be kept in a stable range.
Therefore, there is also a need to provide a new tension control device to solve the above problems.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect of prior art, the utility model provides a tension control device that yarn tension is stable.
The utility model provides a technical scheme that technical problem adopted as follows:
a tension control device for controlling the tension of a yarn is characterized by comprising a frame; the yarn winding device comprises a frame, a yarn winding disc, a yarn guide plate and a yarn guide plate, wherein the yarn winding disc is arranged on the frame; the brake rope is wound on the brake groove and is provided with a near end and a far end, and the near end is connected with the rack; the tension assembly is installed on the rack, the tension assembly is connected with the far end of the brake rope, and the tension assembly is used for adjusting the tension of the brake rope to control the brake damping received by the yarn disc.
Preferably, the tension assembly includes a first motor installed in the frame, a rotating shaft of the first motor is connected to the distal end of the brake rope, and the first motor is used for adjusting the tension of the brake rope to control the brake damping received by the yarn disc.
Preferably, the tension assembly comprises an articulated seat, a tension arm and a driving assembly, the articulated seat is installed on the rack, one end of the tension arm is articulated with the articulated seat, the other end of the tension arm is connected with the far end of the brake rope, the driving assembly is installed on the rack and connected with the tension arm, and the driving assembly is used for driving the tension arm to rotate around the articulated seat.
Preferably, the driving assembly comprises a motor base connected with the frame, a second motor installed on the motor base, and a transmission mechanism driven by the second motor, and the transmission mechanism is connected with the tension arm.
Preferably, the transmission mechanism comprises a lead screw connected with the second motor and a lead screw nut connected with the lead screw, and the lead screw nut is connected with the tension arm.
Preferably, the driving assembly further comprises a universal joint, one end of the universal joint is connected with the second motor, and the other end of the universal joint is connected with the screw rod.
Preferably, the drive assembly further comprises a thrust bearing, one end of the thrust bearing is connected with the universal joint, and the other end of the thrust bearing is connected with the motor base.
Preferably, the driving assembly further comprises a proximity switch for detecting the number of rotation turns of the rotating shaft of the second motor and a counting blocking piece for triggering the proximity switch, the proximity switch is connected with the motor base, and the counting blocking piece is connected with the rotating shaft of the second motor.
Preferably, the second motor is provided with a first rotating shaft and a second rotating shaft which are respectively positioned at two sides of the second motor, the first rotating shaft is connected with the screw rod, and the counting blocking piece is connected with the second rotating shaft.
Preferably, tension control device still includes coupling assembling, coupling assembling includes connecting piece, connecting cylinder, spring and adjusting nut, the connecting piece have with the brake rope the rings that the distal end is connected and with the bolt portion that rings are connected, the connecting cylinder the spring with adjusting nut all establishes in the bolt portion, the one end of spring with the connecting cylinder is connected, the other end of spring with adjusting nut connects, the connecting cylinder with the tension arm is connected.
Compared with the prior art, the technical scheme of the application mainly has the following beneficial effects:
the tension assembly adjusts tightness of the brake rope through one end of the brake rope to adjust brake damping received by the yarn disc, so that yarn tension can be kept within a proper range.
Drawings
In order to illustrate the solution of the present application more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.
Fig. 1 is a schematic structural view of a tension control device according to the present invention;
fig. 2 is an exploded view of components of a tension control device according to the present invention.
Reference numerals:
100-yarn disc brake device, 10-frame, 20-yarn disc, 21-yarn groove, 22-brake groove, 30-brake rope, 31-near end, 32-far end, 40-connecting component, 41-connecting component, 411-hoisting ring, 412-bolt part, 42-connecting cylinder, 421-connecting bolt, 43-spring, 44-adjusting nut, 50-tension component, 51-tension arm, 511-threaded hole, 512-through hole, 513-hinged hole, 52-hinged seat, 521-hinged shaft, 60-driving component, 61-motor seat, 62-second motor, 621-first rotating shaft, 622-second rotating shaft, 63-lead screw, 64-lead screw nut, 65-universal joint, 66-thrust bearing, 67-proximity switch, 68-counting flap, housing 69.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Fig. 1 is a schematic structural view of a tension control device 100 according to the present invention; fig. 2 is an exploded view of the components of the tension control device 100 according to the present invention.
As shown in fig. 1, a tension control device 100 according to a preferred embodiment of the present invention includes a frame 10, a yarn reel 20, a brake cable 30, a connecting assembly 40, and a tension assembly 50. The yarn is wound on the yarn disc 20, the yarn disc 20 is installed on the rack 10, the brake rope 30 is wound on the yarn disc 20 to provide brake damping, one end of the brake rope 30 is connected with the rack 10, the other end of the brake rope is connected with the tension assembly 50 through the connecting assembly 40, the tension assembly 50 adjusts the tightness of the brake rope 30 through one end of the brake rope 30 to adjust the brake damping received by the yarn disc 20, and therefore the yarn tension can be kept within a proper range.
In this embodiment, the frame 10 may be mainly constructed by aluminum profiles, the frame 10 is provided with a tray seat for supporting the yarn disc 20, and the yarn disc 20 may rotate around its own axis under the support of the tray seat. A spinning device (not shown) may be mounted on the frame 10, and the yarn may be drawn from the yarn drum 20 and then connected to the spinning device for spinning. In order to obtain a good quality of the fabric, it is often necessary to maintain a certain tension in the yarn.
In the present embodiment, the yarn disk 20 is mounted on the frame 10, and a yarn groove 21 for winding the yarn and a brake groove 22 for receiving brake damping are provided on the outer cylindrical surface of the yarn disk 20. The brake rope 30 is wound on the brake groove 22 and applies brake damping to the yarn disc 20, so that the yarn can keep a certain tension and the spinning quality is improved.
In this embodiment, the brake cable 30 is in contact with the brake slot 22, the brake cable 30 having a proximal end 31 and a distal end 32, the proximal end 31 being connected to the frame 10. In some examples, the distal end 32 may be coupled to a shaft of a first motor (not shown) that rotates the brake cable 30 to adjust the tension of the brake cable 30 to control the brake damping experienced by the spool 20. In other examples, as shown in fig. 1 and 2, distal end 32 may be coupled to tension arm 51, and tension arm 51 may be coupled to drive assembly 60. Therefore, the brake rope 30 can apply brake damping to the yarn disc 20, so that the yarn can keep a certain tension, and the spinning quality is improved.
In this embodiment, when the spool 20 needs to be replaced, the brake cable 30 is generally loosened to remove the spool 20 from the housing 10. It is common practice to release the end of the brake cable 30 connected to the connecting assembly 40 to remove the yarn reel 20 from the frame 10. When the brake cable 30 is worn and needs to be replaced, it is often necessary to release both ends of the brake cable 30 to replace the entire brake cable 30.
In this embodiment, the brake cable 30 may be a single-strand cable, a multi-strand cable, or a ribbon-shaped or other shaped cable.
In the embodiment, the tension assembly 50 includes a hinge seat 52, a tension arm 51 and a driving assembly 60, the hinge seat 52 is mounted on the frame 10, one end of the tension arm 51 is hinged to the hinge seat 52, the other end of the tension arm 51 is connected to the distal end 32 of the brake rope 30, the driving assembly 60 is mounted on the frame 10 and connected to the tension arm 51, and the driving assembly 60 is used for driving the tension arm 51 to rotate around the hinge seat 52 to adjust the tension of the brake rope 30, so as to adjust the brake damping received by the yarn spool 20, thereby maintaining the yarn tension in a stable range and improving the quality of weaving.
In the present embodiment, a hinge hole 513 is provided at one end of the tension arm 51, a hinge shaft 521 is provided on the hinge base 52, and the hinge hole 513 cooperates with the hinge shaft 521 to perform a hinge function. A screw hole 511 is provided at the other end of the tension arm 51, and a through hole 512 is provided between the screw hole 511 and the hinge hole 513. The function of the threaded hole 511 and the through hole 512 will be described later. In this embodiment, one end of the brake cable 30 may be connected to the hinge shaft 521, thereby avoiding an additional part on the frame 10 and simplifying a mechanical structure.
In this embodiment, a driving assembly 60 is mounted on the frame 10, and the driving assembly 60 is used for driving the tension arm 51 to rotate around the hinge seat 52. As shown in fig. 2, the driving assembly 60 includes a motor base 61 connected to the frame 10, a second motor 62 mounted on the motor base 61, and a transmission mechanism driven by the second motor 62, and the transmission mechanism is connected to the tension arm 51. Therefore, the second motor 62 can drive the tension arm 51 to rotate around the hinge seat 52 through the transmission mechanism to adjust the tension of the brake rope 30, so as to adjust the brake damping received by the yarn coil 20, thereby keeping the yarn tension in a stable range and improving the spinning quality.
In this embodiment, the transmission mechanism may optionally include one of a screw transmission mechanism, a rack and pinion transmission mechanism, a belt transmission mechanism, and a link transmission mechanism.
In the present embodiment, the transmission mechanism preferably includes a lead screw 63 connected to the second motor 62, and a lead screw nut 64 connected to the lead screw 63, and the lead screw nut 64 is connected to the tension arm 51. Therefore, the second motor 62 can drive the tension arm 51 to rotate around the hinge seat 52 through the screw transmission mechanism consisting of the screw 63 and the screw nut 64 to adjust the tension of the brake rope 30, so as to adjust the brake damping received by the yarn disc 20, thereby keeping the yarn tension in a stable range and improving the spinning quality.
In this embodiment, a through hole 512 is provided on the tension arm 51 between the screw hole 511 and the hinge hole 513, and a screw hole is provided on a side surface of the screw nut 64, and a screw can be passed through the through hole 512 and then screwed into the screw hole, thereby connecting the screw nut 64 to the tension arm 51, so that a driving force can be applied to the tension arm through the screw transmission mechanism.
In this embodiment, the driving assembly 60 further includes a universal joint 65, one end of the universal joint 65 is connected to the second motor 62, and the other end of the universal joint 65 is connected to the lead screw 63. In this embodiment, the shafts of the lead screw 63 and the second motor 62 may not be coaxial, and the universal joint 65 is provided between the lead screw 63 and the second motor 62, so that the reliability of the second motor 62 in driving the lead screw transmission mechanism composed of the lead screw 63 and the lead screw nut 64 can be improved, the stability of the tension of the brake rope 30 can be improved, the stability of the brake damping can be improved, and the stability of the yarn tension and the quality of a woven piece can be improved.
In this embodiment, the driving assembly 60 further includes a thrust bearing 66, one end of the thrust bearing 66 is connected to the universal joint 65, and the other end of the thrust bearing 66 is connected to the motor base 61. In this embodiment, the lead screw 63 may generate an axial force toward the motor base 61, and the thrust bearing 66 is disposed between the universal joint 65 and the motor base 61, so that friction between the universal joint 65 and the motor base 61 can be reduced, and reliability of driving of the lead screw transmission mechanism composed of the lead screw 63 and the lead screw nut 64 by the second motor 62 is improved, and accordingly, stability of tension of the brake rope 30 can be improved, stability of brake damping is improved, and stability of yarn tension and quality of a woven piece are improved.
In this embodiment, the driving assembly 60 further includes a proximity switch 67 for detecting the number of rotations of the rotating shaft of the second motor 62 and a counting blade 68 for triggering the proximity switch 67, the proximity switch 67 is connected with the motor base 61, and the counting blade 68 is connected with the rotating shaft of the second motor 62. In the present embodiment, the tension control device 100 is used in cooperation with a tension detection device (not shown) for detecting the tension of the yarn, and the tension detection device inputs the tension detection result to a control system (not shown) which controls the number of rotations of the second motor 62 in accordance with the deviation between the tension detection result and a predetermined tension value. The proximity switch 67 feeds back the number of rotations of the second motor 62 to the control system, thereby enabling quantification of the stroke of the driving assembly 60, contributing to improvement of the accuracy of adjustment of the tension of the brake rope 30, and thus enabling improvement of the stability of the yarn tension and the quality of the fabric. In addition, the proximity switch 67 is also used to prevent the second motor 62 from burning out due to the locked-up of the second motor 62, and when the operation command given to the second motor 62 by the control system exceeds the set value and the proximity switch 67 does not detect the operation of the second motor 62, the control system will give an alarm to prompt and adjust the operation command of the second motor 62 to protect the second motor 62 and other components.
In some examples, the second motor 62 may be a dual-shaft second motor, the second motor 62 may have a first rotating shaft 621 and a second rotating shaft 622 respectively located at both sides of the second motor 62, the first rotating shaft 621 is connected to the screw 63, and the counting barrier 68 is connected to the second rotating shaft 622. This can simplify the mounting structure of the second motor 62 and its connecting components.
In other examples, the second motor 62 may have only one rotation axis facing the lead screw 63, and the proximity switch 67 and the counting plate 68 are located on the side of the second motor 62 close to the lead screw 63.
In this embodiment, the second motor 62 may be a dc second motor or a stepper second motor.
In the present embodiment, a housing 69 for protecting the second motor 62, the proximity switch 67, and the counting flap 68 is provided on the side of the motor base 61 away from the lead screw 63.
In this embodiment, the tension control device 100 further includes a connecting assembly 40, the connecting assembly 40 includes a connecting member 41, a connecting cylinder 42 and an adjusting nut 44, the connecting member 41 has a hanging ring 411 connected to the distal end 32 of the brake cable 30 and a bolt portion 412 connected to the hanging ring 411, the connecting cylinder 42 is sleeved on the bolt portion 412 and connected to the tension arm 51, and the adjusting nut 44 is disposed on the bolt portion 412 to limit the axial position of the connecting cylinder 42 on the bolt portion 412. Thus, the tension arm 51 can be connected to the connector 41 through the connector cylinder 42, so that the tension of the brake rope 30 can be adjusted to adjust the brake damping of the spool.
In some examples, the connector 41 may be an eye screw.
In this embodiment, the connecting assembly 40 further includes a spring 43 disposed on the bolt portion 412, one end of the spring 43 is connected to the connecting cylinder 42, and the other end of the spring 43 is connected to the adjusting nut 44. The spring 43 can cushion the pressure from the tension assembly 50, thereby improving the stability of the tension of the brake cable 30, and thus the stability of the brake damping, which in turn improves the stability of the yarn tension and the quality of the weave.
In the present embodiment, a connection bolt 421 is disposed on the outer cylindrical surface of the connection cylinder 42, a threaded hole 511 is disposed at one end of the tension arm 51 away from the hinge seat 52, and the connection bolt 421 is connected with the threaded hole 511. When the tension arm 51 rotates, the connection bolt 421 and the threaded hole 511 can keep connection; in other words, the connection relationship between the connection bolt 421 and the threaded hole 5141 may not be affected by the rotation of the tension arm 51; therefore, the reliability of the connection between the connecting component 40 and the tension component 50 can be improved, so that the stability of the tension of the brake rope 30 can be improved, the stability of brake damping is improved, and the stability of the tension of the yarn and the quality of a woven piece are improved.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (10)
1. A tension control device for controlling tension of a yarn, comprising:
a frame;
the yarn winding device comprises a frame, a yarn winding disc, a yarn guide plate and a yarn guide plate, wherein the yarn winding disc is arranged on the frame;
the brake rope is wound on the brake groove and is provided with a near end and a far end, and the near end is connected with the rack;
the tension assembly is installed on the rack, the tension assembly is connected with the far end of the brake rope, and the tension assembly is used for adjusting the tension of the brake rope to control the brake damping received by the yarn disc.
2. The tension control device of claim 1,
the tension assembly comprises a first motor installed on the rack, a rotating shaft of the first motor is connected with the far end of the brake rope, and the first motor is used for adjusting the tension of the brake rope to control the brake damping received by the yarn disc.
3. The tension control device of claim 1,
the tension assembly comprises an articulated seat, a tension arm and a driving assembly, the articulated seat is installed on the rack, one end of the tension arm is articulated with the articulated seat, the other end of the tension arm is connected with the far end of the brake rope, the driving assembly is installed on the rack and connected with the tension arm, and the driving assembly is used for driving the tension arm to wind the articulated seat to rotate.
4. The tension control device of claim 3,
the driving assembly comprises a motor base connected with the frame, a second motor installed on the motor base and a transmission mechanism driven by the second motor, and the transmission mechanism is connected with the tension arm.
5. The tension control device of claim 4,
the transmission mechanism comprises a lead screw connected with the second motor and a lead screw nut connected with the lead screw, and the lead screw nut is connected with the tension arm.
6. The tension control device of claim 5,
the driving assembly further comprises a universal joint, one end of the universal joint is connected with the second motor, and the other end of the universal joint is connected with the screw rod.
7. The tension control device of claim 6,
the driving assembly further comprises a thrust bearing, one end of the thrust bearing is connected with the universal joint, and the other end of the thrust bearing is connected with the motor base.
8. The tension control device of claim 5,
the drive assembly further comprises a proximity switch and a counting separation blade, the proximity switch is used for detecting the number of rotation turns of the rotating shaft of the second motor, the counting separation blade is used for triggering the proximity switch, the proximity switch is connected with the motor base, and the counting separation blade is connected with the rotating shaft of the second motor.
9. The tension control device of claim 8,
the second motor is provided with a first rotating shaft and a second rotating shaft which are respectively positioned at two sides of the second motor, the first rotating shaft is connected with the screw rod, and the counting separation blade is connected with the second rotating shaft.
10. The tension control device of claim 3,
still include coupling assembling, coupling assembling includes connecting piece, connecting cylinder, spring and adjusting nut, the connecting piece have with the brake rope the rings that the distal end is connected and with the bolt portion that rings are connected, the connecting cylinder the spring with adjusting nut all establishes in the bolt portion, the one end of spring with the connecting cylinder is connected, the other end of spring with adjusting nut connects, the connecting cylinder with the tension arm is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921438795.9U CN210973390U (en) | 2019-08-29 | 2019-08-29 | Tension control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921438795.9U CN210973390U (en) | 2019-08-29 | 2019-08-29 | Tension control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210973390U true CN210973390U (en) | 2020-07-10 |
Family
ID=71443681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921438795.9U Active CN210973390U (en) | 2019-08-29 | 2019-08-29 | Tension control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210973390U (en) |
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2019
- 2019-08-29 CN CN201921438795.9U patent/CN210973390U/en active Active
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| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Haibin Inventor after: Yang Songjia Inventor after: He Xiaoping Inventor before: Yang Songjia Inventor before: He Xiaoping |