CN217113976U - Pinch roller double-traction mechanism on rotating shaft and wrapping mechanism - Google Patents

Pinch roller double-traction mechanism on rotating shaft and wrapping mechanism Download PDF

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Publication number
CN217113976U
CN217113976U CN202220649800.6U CN202220649800U CN217113976U CN 217113976 U CN217113976 U CN 217113976U CN 202220649800 U CN202220649800 U CN 202220649800U CN 217113976 U CN217113976 U CN 217113976U
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rotating shaft
wheel
driving
traction
double
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CN202220649800.6U
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夏自安
李爱琴
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Zhengwei Electrical Technology Jiangsu Co ltd
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Zhengwei Electrical Technology Jiangsu Co ltd
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Abstract

The utility model discloses a pinch roller double-traction mechanism and a wrapping mechanism on a rotating shaft, which comprises a rotating shaft, a turntable, a traction assembly, a first driving mechanism and a second driving mechanism, wherein the rotating shaft is arranged in a rotatable way; the traction assembly comprises a first steering wheel and a pressing wheel group; the turntable is coaxially fixed at one end of the rotating shaft; the first steering wheel is arranged on the rotary disc, and the distance from the first steering wheel to the center of the rotary disc is smaller than the distance from the pressing wheel group to the center of the rotary disc; the first driving mechanism drives the pinch roller set to rotate; the second driving mechanism drives the rotating shaft to rotate so as to drive the wrapping tape to rotate. The utility model discloses two traction mechanism of pinch roller on the rotation axis can shorten the length of pulling in band, reduce the windage, noise reduction, improve the stability of operation.

Description

Pinch roller double-traction mechanism on rotating shaft and wrapping mechanism
Technical Field
The utility model relates to a cable is around the chartered plane, especially relates to a two traction mechanism of pinch roller on rotation axis and is around chartered plane structure.
Background
In the cable wrapping production process, firstly, the core wires are drawn and output through the drawing assembly, meanwhile, the wrapping belts are output through the belt releasing mechanism, and finally, the wrapping belts wrap the core wires with certain tension, so that the core wires and the wrapping belts are combined to form the cable. After the wrapping tape is discharged by the tape discharging mechanism of the existing wrapping machine, the wrapping tape needs to pass through a rotating shaft of the wrapping mechanism, then bypasses a traction wheel, and finally is led out to the outermost end through the wrapping support to be wrapped on the core wire; in addition, in the process of high-speed rotation, the wind resistance on the wrapping belt is large, so that the working noise is large and the rotation is unstable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a length of pulling in band is little, the windage is little, the noise is low, operating stability is high two traction mechanism of pinch roller on the rotation axis.
Another object of the utility model is to provide a band pull length little, the windage is little, the noise is low, operating stability is high around package mechanism.
In order to achieve the above object, the present invention provides a pressing wheel double-traction mechanism on a rotating shaft, which comprises a rotating shaft, a turntable, a traction assembly, a first driving mechanism and a second driving mechanism, wherein the rotating shaft is rotatably disposed; the traction assembly comprises a first steering wheel and a pinch roller set which is pivoted to one side of the rotary table in a centrosymmetric manner; the turntable is coaxially fixed at one end of the rotating shaft; the first steering wheel is arranged on the rotating disc, and the distance from the first steering wheel to the center of the rotating disc is smaller than the distance from the pressing wheel group to the center of the rotating disc; the first driving mechanism drives the pinch roller set to rotate so that the pinch roller set pulls the wrapping tape; the second driving mechanism drives the rotating shaft to rotate so as to drive the wrapping tape to rotate.
Compared with the prior art, because the utility model discloses a set up two pinch roller groups on the carousel, and make two the pinch roller group is to set up symmetrically again set up first directive wheel on the carousel, make first directive wheel arrives the central distance of carousel is less than the pinch roller group arrives the central distance of carousel. Therefore, the two pressing wheel groups and the first steering wheel are basically positioned on the same radial plane, and when the core wire is wrapped by the belting passing through the two pressing wheel groups and the first steering wheel, the axial distance from the rotating shaft to the belting wrapping the core wire is very short. Therefore, the belt is very small in traction length along the axial direction, and the belt is very easy and convenient to wear; when rotating at a high speed, the wind resistance becomes extremely small, so that the vibration of the wrapping belt is effectively reduced, the noise is greatly reduced, the stability of rotation is effectively improved, higher-speed rotation can be performed, and the working efficiency is improved. In addition, because adopt two pinch roller groups to carry the band, preceding pinch roller group can directly pull the band to preceding pinch roller group can play the effect of keeping apart to the band in the place ahead, thereby prevent that band speed or band volume that emit from changing and will wrap up the band on the heart yearn in the rear and cause the influence, consequently, influence factor outside two pinch roller groups can be shielded completely to two sets of pinch roller groups, and then make the band can export steadily, guarantee band stability.
Preferably, the traction assembly further includes a driving wheel and a driven wheel, the driving wheel is coaxially and rotatably sleeved at one end of the rotating shaft, the driven wheel is coaxially fixed with one of the two pressing wheels of the two pressing wheel sets, the driving wheel is in rolling contact with the driven wheel, and the first driving mechanism can drive the driving wheel to rotate. Through setting up the action wheel reaches from the driving wheel to make action wheel and two from the rolling contact of driving wheel, thereby usable a actuating mechanism drive action wheel rotates, reaches the drive two pinch roller group pivoted purpose simultaneously, and then realizes the two towed effects in band, improves the stability of band transport.
Specifically, first actuating mechanism includes first servo motor, first drive pulley, first driven pulley and first synchronous belt, first drive pulley set up in first servo motor's output, first driven pulley coaxial and rotationally overlap in on the rotation axis, first driven pulley with the action wheel is coaxial fixed, first synchronous belt around in first drive pulley and between the first driven pulley. The first driven belt pulley is coaxially and rotatably sleeved on the rotating shaft and coaxially fixed with the driving wheel, and then the first driving belt pulley and the first synchronous belt are used for driving the first driven belt pulley to rotate, so that the pressing wheel set can be driven to rotate while the revolution of the pressing wheel set around the central shaft of the turntable is not influenced, the traction of the wrapping belt is realized, the structure is simple, and the control is very convenient.
Preferably, a through groove is formed in the outer side wall of the rotating shaft along the central axis direction, and the through groove extends from the outer side surface of the rotating shaft to the end surface close to one end of the pressing wheel set. Therefore, the wrapping belt can be conveyed forwards while rotating along with the rotating shaft, and the wind resistance in the through groove is small, so that the conveying is more stable.
Preferably, the traction mechanism further comprises a guide wheel, and the guide wheel is arranged at one end of the rotating shaft, which is far away from the pressing wheel group, so as to guide the wrapping tape into the through groove. Through the guide of the guide wheels, the wrapping belt can accurately and stably enter the rotating shaft, and the running stability is improved.
Preferably, the second driving mechanism includes a second servo motor, a second driving pulley, a second driven pulley and a second synchronous belt, the second driving pulley is disposed at an output end of the second servo motor, the second driven pulley is coaxially fixed to the rotating shaft, and the second synchronous belt is wound between the second driving pulley and the second driven pulley.
Preferably, the traction assembly further comprises a second steering wheel arranged on the turntable for guiding the strap to the pressing wheel group; the distance from the second steering wheel to the center of the rotating disc is smaller than the distance from the pressing wheel group to the center of the rotating disc. Through the arrangement of the second steering wheel, the wrapping tape can be conveyed onto the pressing wheel group stably and accurately after entering the rotary table, and the smoothness and the stability of the conveying of the wrapping tape are improved.
Preferably, a first bracket is arranged on the rotary table, the first bracket is fixed on the rotary table, and the first steering wheel is pivoted on the first bracket.
Specifically, a second support is arranged on the rotary table, the second support is fixed on the rotary table, and the second steering wheel is pivoted on the second support.
The utility model provides a around package body, includes well core rod and pinch roller double traction mechanism, well core rod can supply the heart yearn to pass from inside, the coaxial and rotationally cover of rotation axis is in well core rod is outside to order about the band is rotatory and wrap up in on the heart yearn.
Drawings
Fig. 1 is a perspective view of the winding mechanism of the present invention.
Fig. 2 is a side view of the winding mechanism of the present invention.
Figure 3 is the utility model discloses around the axial cross-sectional view of mechanism.
Fig. 4 is the right side view of the winding mechanism of the present invention.
Detailed Description
In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.
As shown in fig. 1 to 4, the winding mechanism 100 of the present invention includes a pinch roller double-traction mechanism 1 and a central rod 2 for the core wire 200 to pass through from the inside. Pinch roller double traction mechanism 1 includes rotation axis 11, carousel 12, traction assembly 13, first actuating mechanism 14, second actuating mechanism 15 and base 17, the outside of rotation axis 11 pass through the bearing rotationally set up in on the base 17, rotation axis 11 with well core rod 2 cup joints coaxially, just rotation axis 11 both ends with set up the bearing between well core rod 2, so that rotation axis 11 can be relative well core rod 2 rotates. The traction assembly 13 includes a first steering wheel 131 and a pressing wheel set 132 pivotally connected to one side of the rotary disc 12 in a centrosymmetric manner. Each of the pressing wheel sets 132 has two pressing wheels 132a that are pressed against each other and can be in rolling contact, and a rotating shaft 132b of the pressing wheel 132a is parallel to the rotating shaft 11. The turntable 12 is coaxially fixed to one end of the rotary shaft 11. The first steering wheel 131 is disposed on the turntable 12, and a distance from the first steering wheel 131 to a center of the turntable 12 is smaller than a distance from the pressing wheel set 132 to the center of the turntable 12. The first driving mechanism 14 drives the pressing wheel set 132 to rotate, so that the pressing wheel set 132 pulls the tape 300 to be output forwards, and the tape 300 extends onto the core wire 200 through the first steering wheel 131; the second driving mechanism 15 drives the rotating shaft 11 to rotate so as to drive the wrapping tape 300 to rotate and wrap the core wire 200.
Referring to fig. 3 and 4, in particular, the traction assembly 13 further includes a first bracket 133, the first bracket 133 is disposed on the rotating disc 12, the first bracket 133 is fixed on the rotating disc 12, the first steering wheel 131 is pivoted on the first bracket 133, and a projection of a pivot shaft on a horizontal plane of the pivot shaft is intersected with a projection of a rotating shaft 132b of the pressing wheel 132a of the pressing wheel set 132, in this embodiment, the two are perpendicular. In this embodiment, the number of the first steering wheels 131 is two, and the first steering wheels 131 are arranged in a line along the central axis direction of the rotating shaft 11, and the wrapping tape 300 needs to be wound around the two first steering wheels 131.
Referring to fig. 3 and 4, the drawing assembly 13 further includes a second steering wheel 134 and a second bracket 135, the second steering wheel 134 is disposed on the turntable 12 and located at a side opposite to the first steering wheel 131, so as to guide the wrapping tape 300 to the pressing wheel set 132; specifically, the second bracket 135 is fixedly disposed on the turntable 12, the second steering wheel 134 is pivotally connected to the second bracket 135, and a projection of a pivot shaft of the second steering wheel 134 on a horizontal plane intersects with a projection of a rotating shaft 132b of the pressing wheel 132a of the pressing wheel set 132, which is perpendicular to the rotating shaft. In addition, the pivot axis of the second steering wheel 134 is parallel to the pivot axis of the first steering wheel 131. The distance from the second steering wheel 134 to the center of the turntable 12 is smaller than the distance from the pressing wheel set 132 to the center of the turntable 12. In this embodiment, the number of the second steering wheels 134 may also be one; two belts 300 may be arranged in line along the central axis of the rotating shaft 11, and extend to the pressing roller set 132 after passing around at least one of the second turning wheels 134. By arranging the second steering wheel 134, the wrapping tape 300 can be smoothly and accurately conveyed to the pressing wheel set 132 after entering the turntable 12, and the smoothness and stability of the conveying of the wrapping tape 300 are further improved.
As shown in fig. 3, a through groove 111 is formed on an outer side wall of the rotating shaft 11 along a central axis direction, the through groove 111 extends from an outer side surface of the rotating shaft 11 to an end surface near one end of the pressing wheel set 132, and the through groove 111 is open on the outer side of the rotating shaft 11 to facilitate threading of the wrapping tape 300 onto the pressing wheel set 132 before operation. The notch of the through groove 111 penetrating through the rotating shaft 11 is located between the second steering wheel 134 and the center of the rotating shaft 11, that is, the distance from the notch of the through groove 111 to the center of the rotating shaft 11 is smaller than the distance from the second steering wheel 134 to the rotating shaft 11, so that the wrapping tape 300 can conveniently bypass the second steering wheel 134 after passing through the through groove 111. Through the through groove 111, the belting 300 can be conveyed forwards while rotating along with the rotating shaft 11, and the wind resistance of the belting 300 in the through groove 111 is smaller, so that the conveying is more stable. In addition, the traction mechanism 1 further comprises a guide wheel 16, wherein the guide wheel 16 is pivoted to one end of the rotating shaft 11 far away from the pressing wheel set 132 so as to guide the wrapping tape 300 into the through groove 111 from the outside. The pivot axis of the guide wheel 16 is perpendicular to the central axis of the rotating shaft 11. Through the guidance of the guide wheels 16, the wrapping tape 300 can accurately and stably enter the rotating shaft 11, and the running stability is improved.
Referring to fig. 2 and 3, the traction assembly 13 further includes a driving wheel 136 and two driven wheels 137, the driving wheel 136 is coaxially and rotatably sleeved at one end of the rotating shaft 11, the number of the driven wheels 137 is two, the driven wheels 137 are respectively coaxially fixed with one of the pressing wheels 132a of the two pressing wheel sets 132, the driving wheel 136 is simultaneously in rolling contact with the two driven wheels 137, and the first driving mechanism 14 can drive the driving wheel 136 to rotate, so as to drive the two driven wheels 137, and further enable the pressing wheels 132a to rotate. Through the arrangement of the driving wheel 136 and the driven wheels 137, and the driving wheel 136 is in rolling contact with the two driven wheels 137, the first driving mechanism 14 can be used for driving the driving wheel 136 to rotate, so that the purpose of driving the two pressing wheel sets 132 to rotate simultaneously is achieved, the effect of double traction on the wrapping tape 300 is further achieved, and the conveying stability of the wrapping tape 300 is improved. In this embodiment, the driving wheel 136 and the driven wheel 137 may be rubber wheels or gears, and any wheel set capable of transmitting driving force is suitable for this.
As shown in fig. 2 and 3, the first driving mechanism 14 includes a first servo motor 141, a first driving pulley 142, a first driven pulley 143, and a first synchronous belt 144, the first servo motor 141 may be disposed on the base 17, the first driving pulley 142 is disposed at an output end of the first servo motor 141, the first driven pulley 143 is coaxially and rotatably sleeved on the rotating shaft 11 through a bearing, the first driven pulley 143 is coaxially fixed with the driving pulley 136, and the first synchronous belt 144 is wound between the first driving pulley 142 and the first driven pulley 143. The first driven pulley 143 is coaxially and rotatably sleeved on the rotating shaft 11 and coaxially fixed with the driving wheel 136, and the first driving pulley 142 and the first synchronous belt 144 are used to drive the first driven pulley 143 to rotate, so that the pressing wheel set 132 can be driven to rotate while the revolution of the pressing wheel set 132 around the central shaft of the turntable 12 is not affected, and the traction of the wrapping belt 300 is realized.
As shown in fig. 2 and 3, the second driving mechanism 15 includes a second servo motor 151, a second driving pulley 152, a second driven pulley 153, and a second timing belt 154. The second servo motor 151 may be disposed on the base 17. The second driving pulley 152 is disposed at an output end of the second servo motor 151, the second driven pulley 153 is coaxially fixed to the rotating shaft 11, and the second timing belt 154 is wound between the second driving pulley 152 and the second driven pulley 153.
In summary, with reference to fig. 3 and 4, the working principle of the winding mechanism 100 of the present invention is described in detail as follows:
first, the guide pulley 16, the second driven pulley 153, the base 17, the first driven pulley 143, the driving pulley 136, and the turntable 12 are sequentially provided on the rotating shaft 11 along the conveying direction of the wrapping tape 300. At the beginning, threading guidance of the core wire 200 and the tape 300 is required, specifically, the core wire 200 is threaded into the central rod 2, the core wire 200 extends through the rotating disc 12, and the core wire 200 is conveyed from one end close to the guide wheel 16 to one end close to the rotating disc 12. Of course, the direction of conveyance of the cords 200 may also be from the end near the turntable 12 to the end near the guide wheel 16. The strapping tape 300 firstly passes around the guide wheel 16 and then enters the through groove 111, and then the strapping tape 300 passes through the through groove 111 and passes out of the outer side of the rotary disc 12. The wrapping tape 300 then passes around a second of the turning wheels 134 and between the two wheels 132a of the side wheel set 132. Then, the wrapping tape 300 passes around the rollers 132a, extends to the other roller set 132, and passes between the two rollers 132a of the other roller set 132. Finally, the wrapping tape 300 is wrapped around the two first turning wheels 131 and then wrapped around the core wire 200.
When the conveyor belt is in operation, the core wire 200 is continuously output forward under the traction of external equipment, the first servo motor 141 and the second servo motor 151 are simultaneously started, the first servo motor drives the first driving pulley 142, the first driving pulley 142 drives the first driven pulley 143 and the driving pulley 136 through the first synchronous belt 144, the driving pulley 136 drives the driven pulley 137, the driven pulley 137 drives the pressing wheel 132a connected with the driven pulley 137, at this time, the two pressing wheel sets 132 rotate simultaneously, and then, double traction force is provided to drive the belt 300 to convey forward. Meanwhile, the second servo motor 151 drives the second driving pulley 152, the second driving pulley 152 drives the rotating shaft 11 to rotate through the second synchronous belt 154 and the second driven pulley 153, and the rotating shaft 11 drives the turntable 12 to rotate. At this time, the pressing rollers 132a of the pressing roller set 132 revolve around the center of the rotation shaft 11 while rotating around their own central axes, so that the taping tape 300 is continuously output while continuously performing a taping work around the core wire 200.
Compared with the prior art, the utility model has the advantages that two pressing wheel sets 132 are arranged on the rotary disc 12, two pressing wheel sets 132 are symmetrically arranged, the first steering wheel 131 is arranged on the rotary disc 12, the distance from the first steering wheel 131 to the center of the rotary disc 12 is smaller than the distance from the pressing wheel set 132 to the center of the rotary disc 12, so that the two pressing wheel sets 132 and the first steering wheel 131 are basically on the same radial plane, when the core wire 200 is wrapped by the wrapping tape 300 by bypassing the two pressing wheel sets 132 and the first steering wheel 131, the axial distance from the rotary shaft 11 to the wrapping core wire 200 of the wrapping tape 300 is very short, therefore, the axial traction length of the wrapping tape 300 is very small, when the wrapping tape rotates at high speed, the wind resistance is very small, thereby effectively reducing the vibration of the wrapping tape 300, greatly reducing the noise and effectively improving the stability of rotation, can rotate at a higher speed, and further improve the working efficiency. In addition, because two pressure wheel groups 132 are adopted to convey the belting, the front pressure wheel group 132 can directly pull the belting, and the front pressure wheel group 132 can play a role in isolating the belting in the front, thereby preventing the discharged belting speed or the discharged belting quantity from changing and influencing the belting 300 to be wrapped on the core wire 200 at the rear, therefore, two groups of pressure wheel groups 132 can completely shield influencing factors except the two pressure wheel groups 132, further leading the belting 300 to be stably output and ensuring the stability of the belting.
The structure of the external device for conveying the core wire 200 related to the pinch roller double-traction mechanism 1 on the rotating shaft 11 of the present invention is well known to those skilled in the art, and will not be described in detail herein.
Additionally, the utility model discloses a pinch roller double traction mechanism 1 is not restricted to conveying belting 300, and it is also applicable to conveying heart yearn 200, only need with adjustment appearances such as pinch roller group 132, first directive wheel 131 and second directive wheel 134 make it be fit for with the cooperation of heart yearn 200 can to be not only restricted to belting 300 a material, the continuous strip material of any other similar belting 300 is all in the protection scope of this application.
The above disclosure is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereto, and the same changes and modifications as the claims of the present invention are also included.

Claims (10)

1. The utility model provides a pinch roller double traction mechanism on rotation axis which characterized in that: the device comprises a rotating shaft, a turntable, a traction assembly, a first driving mechanism and a second driving mechanism, wherein the rotating shaft is rotatably arranged; the traction assembly comprises a first steering wheel and a pinch roller set which is pivoted to one side of the rotary table in a centrosymmetric manner; the turntable is coaxially fixed at one end of the rotating shaft; the first steering wheel is arranged on the rotary disc, and the distance from the first steering wheel to the center of the rotary disc is smaller than the distance from the pressing wheel group to the center of the rotary disc; the first driving mechanism drives the pinch roller set to rotate so that the pinch roller set pulls the wrapping tape; the second driving mechanism drives the rotating shaft to rotate so as to drive the wrapping tape to rotate.
2. The double-traction mechanism with pressing wheel on rotating shaft as claimed in claim 1, wherein: the traction assembly further comprises a driving wheel and a driven wheel, the driving wheel is coaxially and rotatably sleeved at one end of the rotating shaft, the driven wheel is coaxially fixed with one of the two pressing wheels of the pressing wheel set respectively, the driving wheel is in rolling contact with the driven wheel, and the first driving mechanism can drive the driving wheel to rotate.
3. The double-traction mechanism with pressing wheel on rotating shaft as claimed in claim 2, wherein: the first driving mechanism comprises a first servo motor, a first driving pulley, a first driven pulley and a first synchronous belt, the first driving pulley is arranged at the output end of the first servo motor, the first driven pulley is coaxial and is rotatably sleeved on the rotating shaft, the first driven pulley is coaxially fixed with the driving wheel, and the first synchronous belt is wound between the first driving pulley and the first driven pulley.
4. The double-traction mechanism with pressing wheel on rotating shaft as claimed in claim 1, wherein: and a through groove is formed in the outer side wall of the rotating shaft along the direction of the central shaft, and the through groove extends from the outer side surface of the rotating shaft to the end surface close to one end of the pressing wheel set.
5. The double-traction mechanism with pressing wheel on rotating shaft as claimed in claim 4, wherein: the traction mechanism further comprises a guide wheel, and the guide wheel is arranged at one end, far away from the pressing wheel group, of the rotating shaft so as to guide the wrapping tape into the through groove.
6. The double-traction mechanism with pressing wheel on rotating shaft as claimed in claim 1, wherein: the second driving mechanism comprises a second servo motor, a second driving pulley, a second driven pulley and a second synchronous belt, the second driving pulley is arranged at the output end of the second servo motor, the second driven pulley is coaxially fixed on the rotating shaft, and the second synchronous belt is wound around the second driving pulley and between the second driven pulley.
7. The double-traction mechanism with pressing wheel on a rotating shaft as claimed in claim 1, wherein: the traction assembly further comprises a second steering wheel arranged on the turntable to guide the belting to the press wheel group; the distance from the second steering wheel to the center of the rotating disc is smaller than the distance from the pressing wheel group to the center of the rotating disc.
8. The double-traction mechanism with pressing wheel on rotating shaft as claimed in claim 1, wherein: the turntable is provided with a first support, the first support is fixed on the turntable, and the first steering wheel is pivoted on the first support.
9. The double-traction mechanism with pressing wheel on rotating shaft as claimed in claim 7, wherein: the turntable is provided with a second support, the second support is fixed on the turntable, and the second steering wheel is pivoted on the second support.
10. The utility model provides a around chartered plane mechanism which characterized in that: the pinch roller double-traction mechanism comprises a central rod and the pinch roller double-traction mechanism of any one of claims 1 to 9, wherein a core wire can pass through the central rod from the inside, and the rotating shaft is coaxially and rotatably sleeved outside the central rod so as to drive the wrapping belt to rotate and wrap the core wire.
CN202220649800.6U 2022-03-23 2022-03-23 Pinch roller double-traction mechanism on rotating shaft and wrapping mechanism Active CN217113976U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220649800.6U CN217113976U (en) 2022-03-23 2022-03-23 Pinch roller double-traction mechanism on rotating shaft and wrapping mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220649800.6U CN217113976U (en) 2022-03-23 2022-03-23 Pinch roller double-traction mechanism on rotating shaft and wrapping mechanism

Publications (1)

Publication Number Publication Date
CN217113976U true CN217113976U (en) 2022-08-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220649800.6U Active CN217113976U (en) 2022-03-23 2022-03-23 Pinch roller double-traction mechanism on rotating shaft and wrapping mechanism

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CN (1) CN217113976U (en)

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