阅读说明：本技术 防止纱线缠绕转轴的装置及绕纱设备 (Device for preventing yarn from winding rotating shaft and yarn winding equipment ) 是由 廖良 胡广文 问晓锋 吴惠忠 于 2021-01-29 设计创作，主要内容包括：本发明涉及一种防止纱线缠绕转轴的装置及绕纱设备。该防止纱线缠绕转轴的装置包括绕纱机构、第一挡纱机构、第二挡纱机构以及抵接机构。转轴可从绕纱机构的第二端穿入中空孔、安装孔中,并且转轴抵接在抵接机构上,转轴上承载绕纱筒夹具的轴承可从第一端穿入中空孔中,轴承的内环抵接在第一抵接环上,如此,将防止纱线缠绕转轴的装置安装在转轴上并与轴承抵接,此时防止纱线缠绕转轴的装置靠近于绕纱筒夹具。绕纱机构的外端面与第一挡纱机构以及第二挡纱机构围成环状的绕纱槽,当绕纱筒上有纱线跳离绕纱筒时,纱线会卷绕到防止纱线缠绕转轴的装置上的绕纱槽中,从而避免纱线卷绕到转轴上,进而导致轴承转动不灵甚至损坏的情况。(The invention relates to a device for preventing yarn from winding a rotating shaft and yarn winding equipment. The device for preventing the yarn from winding the rotating shaft comprises a yarn winding mechanism, a first yarn blocking mechanism, a second yarn blocking mechanism and a butting mechanism. The pivot can be followed the second end of winding yarn mechanism and penetrated in cavity hole, the mounting hole to the pivot butt is in butt mechanism, and the bearing that bears winding yarn section of thick bamboo anchor clamps in the pivot can penetrate the cavity hole from first end, and the inner ring butt of bearing is on first butt ring, so, will prevent that the device of yarn winding pivot from installing in the pivot and with the bearing butt, prevents that the device of yarn winding pivot from being close to in winding yarn section of thick bamboo anchor clamps this moment. The outer terminal surface of winding mechanism and first fender yarn mechanism and second fender yarn mechanism enclose into annular winding groove, and when having the yarn to jump from the winding section of thick bamboo on the winding section of thick bamboo, the yarn can be convoluteed and prevent in the winding groove on the device of yarn winding pivot to avoid the yarn to convolute in the pivot, and then lead to the condition that the bearing rotates dumb or even damages.)

1. A device for preventing yarns from winding a rotating shaft is characterized by comprising a yarn winding mechanism, a first yarn blocking mechanism, a second yarn blocking mechanism and a butting mechanism; the yarn winding mechanism is of a cylindrical structure and is provided with a first end and a second end opposite to the first end; the first yarn blocking mechanism is of an annular structure, the first yarn blocking mechanism is arranged at the first end of the yarn winding mechanism, the second yarn blocking mechanism is of an annular structure, the second yarn blocking mechanism is arranged at the second end of the yarn winding mechanism, and the outer end surface of the yarn winding mechanism, the first yarn blocking mechanism and the second yarn blocking mechanism form an annular yarn winding groove in a surrounding mode; the butt mechanism includes adapting unit and first butt ring, adapting unit sets up around in the cavity hole of yarn mechanism and connect in the pore wall of cavity hole, adapting unit have first terminal surface and with the relative second terminal surface that sets up of first terminal surface, first terminal surface compare in the second terminal surface is close to more wind the first end of yarn mechanism, adapting unit is equipped with the follow first terminal surface runs through extremely the mounting hole of second terminal surface, first butt ring sets up just encircle on the first terminal surface the mounting hole sets up, first butt ring is located in the cavity hole.

2. The device for preventing yarn from winding around a rotating shaft according to claim 1, wherein the abutting mechanism further comprises a second abutting ring, and the second abutting ring is arranged on the second end face of the connecting component and surrounds the mounting hole.

3. The device for preventing the yarn from winding around the rotating shaft as claimed in claim 2, wherein the height of the first abutting ring protruding from the first end surface is 0.3mm to 1 mm; and/or

The height of the second abutting ring protruding out of the second end face is 0.3 mm-1 mm.

4. The device for preventing yarn from winding around a rotating shaft according to claim 1, wherein the first yarn blocking mechanism has an outer annular surface and a first side surface and a second side surface connected to the outer annular surface, respectively, the first side surface and the second side surface being disposed opposite to each other, and the second side surface being closer to the second yarn blocking mechanism than the first side surface.

5. The device for preventing yarn from winding around a rotating shaft as claimed in claim 4, wherein the second side surface of the first yarn blocking mechanism is smoothly transited to the outer annular surface of the first yarn blocking mechanism.

6. The device for preventing the yarn from winding around the rotating shaft as claimed in claim 4, wherein the first side surface of the first yarn blocking mechanism is perpendicular to the axial direction of the yarn winding mechanism; and/or

The connecting part is perpendicular to the axial direction of the yarn winding mechanism.

7. The device for preventing the yarn from winding around the rotating shaft according to any one of claims 1 to 6, wherein the abutting mechanism is arranged close to the first end of the yarn winding mechanism.

8. The device for preventing the yarn from winding around the rotating shaft according to any one of claims 1 to 6, wherein the hollow hole of the yarn winding mechanism is coaxially arranged with the mounting hole of the connecting component.

9. The device for preventing the yarn from winding around the rotating shaft as claimed in any one of claims 1 to 6, wherein the yarn winding mechanism is provided with a first yarn cutting hole, the first yarn cutting hole is a groove formed by inwards recessing the outer side surface of the yarn winding mechanism, or the first yarn cutting hole is a through hole communicated with the hollow hole.

10. The device for preventing the yarn from winding around the rotating shaft as claimed in claim 9, wherein the first yarn cutting hole extends in the axial direction of the yarn winding mechanism.

11. The device for preventing the yarn from winding around the rotating shaft according to claim 10, wherein the second yarn blocking mechanism is provided with a second yarn cutting hole, the second yarn cutting hole is communicated with the first yarn cutting hole, the second yarn cutting hole is a groove concavely formed in an outer annular surface of the second yarn blocking mechanism, or the second yarn cutting hole is a through hole communicated with an inner annular hole of the second yarn blocking mechanism.

12. A yarn winding device, which is characterized by comprising a machine base, a rotary driving device, a shaft head, a bearing, a first clamp, a second clamp, a yarn winding barrel and a device for preventing yarn from winding around a rotary shaft according to any one of claims 1 to 11; the spindle nose sets up on the frame, the spindle nose has the ladder axle, the ladder axle penetrates from the second end of winding yarn mechanism the cavity reaches the mounting hole, and the shoulder butt of ladder axle in butt mechanism, the bearing sets up the ladder axle wears out the part of mounting hole, the inner circle butt of bearing in first butt ring, first anchor clamps set up on the bearing, first anchor clamps with the second anchor clamps set up respectively the both ends of a winding yarn section of thick bamboo, first anchor clamps with the cooperation of second anchor clamps is pressed from both sides tightly the winding yarn section of thick bamboo, rotate drive arrangement connect in the second anchor clamps are in order to be used for the drive the second anchor clamps rotate, thereby drive the winding yarn section of thick bamboo rotates.

13. The yarn winding device according to claim 12, wherein the first clamp is provided with an annular relief groove at a side facing the device for preventing the yarn from winding around the rotating shaft, the first yarn blocking mechanism is embedded in the relief groove, and a space is provided between the first yarn blocking mechanism and an inner wall of the relief groove.

Technical Field

The invention relates to the technical field of textile machinery equipment, in particular to a device for preventing yarns from winding a rotating shaft and yarn winding equipment.

Background

In the textile industry, in the process of splitting, spooling, loosing and the like, it is necessary to wind the yarn around a bobbin and supply the yarn to the next process for use. The bobbins are mounted on a cradle for winding the yarn to produce a process-compatible package. In the yarn winding process, if yarn breakage occurs or the yarn is influenced by blowing of the cleaning fan, part of the yarn deviates from the two ends of the bobbin and is wound on the edges of the clamps at the two ends of the bobbin. The clamp is a rotating part, the clamp drives the yarn to be wound on the rotating shaft when rotating, and the rotating shaft and the bearing are assembled together, so that the bearing is not flexible to rotate due to the fact that a plurality of yarn coils are arranged, and the bearing damage rate is high. When the operation is used for cleaning the yarn, the clamp needs to be detached by a tool to clean the yarn.

Disclosure of Invention

In view of the above, it is necessary to provide a device for preventing a yarn from being wound around a rotating shaft and a yarn winding apparatus for preventing a broken yarn from being wound around the rotating shaft.

A device for preventing yarns from winding a rotating shaft comprises a yarn winding mechanism, a first yarn blocking mechanism, a second yarn blocking mechanism and a butting mechanism. The yarn winding mechanism is of a cylindrical structure and is provided with a first end and a second end opposite to the first end; the first yarn blocking mechanism is of an annular structure, the first yarn blocking mechanism is arranged at the first end of the yarn winding mechanism, the second yarn blocking mechanism is of an annular structure, the second yarn blocking mechanism is arranged at the second end of the yarn winding mechanism, and the outer end surface of the yarn winding mechanism, the first yarn blocking mechanism and the second yarn blocking mechanism form an annular yarn winding groove in a surrounding mode; the butt mechanism includes adapting unit and first butt ring, adapting unit sets up around in the cavity hole of yarn mechanism and connect in the pore wall of cavity hole, adapting unit have first terminal surface and with the relative second terminal surface that sets up of first terminal surface, first terminal surface compare in the second terminal surface is close to more wind the first end of yarn mechanism, adapting unit is equipped with the follow first terminal surface runs through extremely the mounting hole of second terminal surface, first butt ring sets up just encircle on the first terminal surface the mounting hole sets up, first butt ring is located in the cavity hole.

Compared with the prior art, the device for preventing the yarns from winding the rotating shaft has the following beneficial effects:

the device for preventing the yarn from winding the rotating shaft comprises a yarn winding mechanism, a first yarn blocking mechanism, a second yarn blocking mechanism and a butting mechanism. The rotating shaft can penetrate into the hollow hole of the yarn winding mechanism from the second end of the yarn winding mechanism and then penetrate into the mounting hole in the abutting mechanism, and the rotating shaft abuts against the abutting mechanism. The bearing on the rotating shaft for bearing the yarn winding drum clamp can penetrate into the hollow hole of the yarn winding mechanism from the first end of the yarn winding mechanism. The first abutting ring abuts against the inner ring of the bearing, and the rotation of the bearing is prevented from being influenced. Thus, the device for preventing the yarn from winding around the rotating shaft is arranged on the rotating shaft and is abutted against the bearing. The means for preventing the yarn from winding the spindle is now close to the bobbin holder. The outer end face of the yarn winding mechanism, the first yarn blocking mechanism and the second yarn blocking mechanism enclose an annular yarn winding groove. When the yarn on the yarn winding drum jumps away from the yarn winding drum, the yarn can be wound in the yarn winding groove on the device for preventing the yarn from winding the rotating shaft, so that the situation that the yarn is wound on the rotating shaft and further the bearing is not rotated flexibly or even damaged is avoided.

In one embodiment, the connecting part is perpendicular to the axial direction of the yarn winding mechanism.

In one embodiment, the distance between the side of the first abutting ring far away from the first end surface and the first end of the yarn winding mechanism along the axial direction of the yarn winding mechanism is 4 mm-10 mm.

In one embodiment, the abutting mechanism further comprises a second abutting ring, and the second abutting ring is arranged on the second end face of the connecting part and surrounds the mounting hole.

In one embodiment, the height of the first abutting ring protruding from the first end surface is 0.3 mm-1 mm.

In one embodiment, the height of the second abutting ring protruding from the second end face is 0.3 mm-1 mm.

In one embodiment, the first yarn blocking mechanism has an outer annular surface and a first side surface and a second side surface respectively connected with the outer annular surface, the first side surface and the second side surface are oppositely arranged, and the second side surface is closer to the second yarn blocking mechanism than the first side surface.

In one embodiment, the second side surface of the first yarn blocking mechanism is smoothly transited with the outer annular surface of the first yarn blocking mechanism.

In one embodiment, the first side surface of the first yarn blocking mechanism is perpendicular to the axial direction of the yarn winding mechanism.

In one embodiment, the abutment mechanism is disposed proximate to the first end of the winding mechanism.

In one embodiment, the hollow hole of the yarn winding mechanism is coaxially arranged with the mounting hole of the connecting part.

In one embodiment, the yarn winding mechanism is provided with a first yarn cutting hole, the first yarn cutting hole is a groove formed by inwards recessing the outer side surface of the yarn winding mechanism, or the first yarn cutting hole is a through hole communicated with the hollow hole.

In one embodiment, the first yarn cutting hole extends along the axial direction of the yarn winding mechanism.

In one embodiment, the second yarn blocking mechanism is provided with a second yarn cutting hole, the second yarn cutting hole is communicated with the first yarn cutting hole, the second yarn cutting hole is a groove formed in the inner concave surface of the outer ring of the second yarn blocking mechanism, or the second yarn cutting hole is a through hole communicated with the inner ring of the second yarn blocking mechanism.

A yarn winding device comprises a machine base, a rotation driving device, a shaft head, a bearing, a first clamp, a second clamp, a yarn winding barrel and a device for preventing yarns from winding a rotating shaft in any embodiment; the spindle nose sets up on the frame, the spindle nose has the ladder axle, the ladder axle penetrates from the second end of winding yarn mechanism the cavity reaches the mounting hole, and the shoulder butt of ladder axle in butt mechanism, the bearing sets up the ladder axle wears out the part of mounting hole, the inner circle butt of bearing in first butt ring, first anchor clamps set up on the bearing, first anchor clamps with the second anchor clamps set up respectively the both ends of a winding yarn section of thick bamboo, first anchor clamps with the cooperation of second anchor clamps is pressed from both sides tightly the winding yarn section of thick bamboo, rotate drive arrangement connect in the second anchor clamps are in order to be used for the drive the second anchor clamps rotate, thereby drive the winding yarn section of thick bamboo rotates.

In one embodiment, one side of the first clamp, which faces the device for preventing the yarns from winding the rotating shaft, is provided with an annular yielding groove, the first yarn blocking mechanism is embedded into the yielding groove, and an interval is reserved between the first yarn blocking mechanism and the inner wall of the yielding groove.

Drawings

FIG. 1 is a schematic structural view of an apparatus for preventing a yarn from being wound around a rotating shaft according to an embodiment;

FIG. 2 is a schematic view of the device for preventing the yarn from winding around the rotating shaft shown in FIG. 1 from another perspective;

FIG. 3 is a schematic view of the device for preventing the yarn from winding around the rotating shaft shown in FIG. 1 from another perspective;

FIG. 4 is a cross-sectional view of the device for preventing the yarn from being wound around the shaft of FIG. 3 taken along line A-A;

FIG. 5 is a schematic view of the structure of a yarn winding device including the device for preventing the yarn from winding around the rotating shaft of FIG. 1;

FIG. 6 is a schematic view of the mounting of the device on the spindle head to prevent the yarn from wrapping around the spindle;

fig. 7 is a cross-sectional view taken along line B-B of fig. 6.

Description of reference numerals:

100. means for preventing the yarn from winding around the shaft; 110. a yarn winding mechanism; 120. a first yarn blocking mechanism; 130. a second yarn blocking mechanism; 140. an abutting mechanism; 111. a first end; 112. a second end; 113. a hollow bore; 101. a yarn winding groove; 141. a connecting member; 1411. a first end face; 1412. a second end face; 1413. mounting holes; 1131. a first region; 1132. a second region; 142. a first abutment ring; 1421. an outer annular surface; 1422. a first side surface; 1423. a second side surface; 143. a second abutment ring; 114. a first yarn cutting hole; 131. a second yarn cutting hole; 200. a yarn winding device; 210. a machine base; 220. a rotation driving device; 230. a shaft head; 240. a first clamp; 241. a yielding groove; 242. a limiting groove; 250. a second clamp; 260. a bearing; 270. a yarn winding drum; 280 a connector; 281. a screw; 282. a limiting part.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.

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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, an apparatus 100 for preventing a yarn from winding around a rotating shaft 200 according to an embodiment of the present invention includes a yarn winding mechanism 110, a first yarn blocking mechanism 120, a second yarn blocking mechanism 130, and an abutting mechanism 140.

The yarn winding mechanism 110 has a cylindrical structure. The yarn winding mechanism 110 has a first end 111 and a second end 112 disposed opposite the first end 111.

The first yarn blocking mechanism 120 is a ring structure. The first yarn blocking mechanism 120 is disposed at the first end 111 of the yarn winding mechanism 110. The second yarn blocking mechanism 130 is a ring structure. The second yarn blocking mechanism 130 is disposed at the second end 112 of the yarn winding mechanism 110.

The outer end surface of the yarn winding mechanism 110, the first yarn blocking mechanism 120 and the second yarn blocking mechanism 130 enclose an annular yarn winding groove 101. The contact mechanism 140 includes a connection member 141 and a first contact ring 142. The connecting member 141 is disposed in the hollow hole 113 of the yarn winding mechanism 110 and connected to a hole wall of the hollow hole 113. The connection member 141 divides the hollow hole 113 into a first region 1131 and a second region 1132. The first region 1131 is a region near the first end 111 of the yarn winding mechanism 110, and the second region 1132 is a region near the second end 112 of the yarn winding mechanism 110.

The connecting member 141 has a first end surface 1411 and a second end surface 1412 disposed opposite the first end surface 1411. The first end surface 1411 is closer to the first end 111 of the yarn winding mechanism 110 than the second end surface 1412. The connection member 141 is provided with a mounting hole 1413 penetrating from the first end surface 1411 to the second end surface 1412. The first and second regions 1131 and 1132 communicate through a mounting hole 1413.

The first abutment ring 142 is disposed on the first end surface 1411 and around the mounting hole 1413.

The device 100 for preventing the yarn from winding around the rotating shaft 200 includes a winding mechanism 110, a first yarn blocking mechanism 120, a second yarn blocking mechanism 130, and an abutting mechanism 140. The rotating shaft 200 can be inserted into the hollow hole 113 of the yarn winding mechanism 110 from the second end 112 of the yarn winding mechanism 110 and then inserted into the mounting hole 1413 of the abutting mechanism 140, and the rotating shaft 200 abuts on the abutting mechanism 140. The bearing of the rotating shaft 200, which carries the winding drum clamp 400, can be inserted into the hollow hole 113 of the winding mechanism 110 from the first end 111 of the winding mechanism 110. The first abutting ring 142 abuts against the inner ring of the bearing to prevent the bearing from rotating. In this way, the device 100 for preventing the yarn from being wound around the shaft 200 is attached to the shaft 200 and abuts against the bearing. The device 100 for preventing the yarn from winding around the rotating shaft 200 at this time is close to the bobbin holder 400. The outer end surface of the yarn winding mechanism 110, the first yarn blocking mechanism 120 and the second yarn blocking mechanism 130 enclose an annular yarn winding groove 101. When the yarn on the yarn winding drum 270 jumps away from the yarn winding drum 270, the yarn is wound into the yarn winding groove 101 on the device 100 for preventing the yarn from winding the rotating shaft 200, so that the situation that the yarn is wound onto the rotating shaft 200 and the bearing is not rotated smoothly or even damaged is avoided.

In one example, the first abutment ring 142 is located within the hollow bore 113.

In one example, the connecting member 141 is perpendicular to the axial direction of the yarn winding mechanism 110.

In one example, the side of the first abutting ring 142 away from the first end surface 1411 is spaced from the first end 111 of the yarn winding mechanism 110 by 4mm to 10mm, such as 5mm, 6mm, 7mm, 8mm, and the like, along the axial direction of the yarn winding mechanism 110.

In one example, the abutment mechanism 140 further includes a second abutment ring 143. The second abutment ring 143 is disposed on the second end face 1412 of the connection part 141 and around the mounting hole 1413. The second abutment ring 143 is used to abut against a shoulder of the rotation shaft 200 to improve the mounting strength. In one example, the second abutment ring 143 is located within the hollow bore 113.

In one example, the height of the first abutting ring 142 protruding from the first end surface 1411 is 0.3mm to 1mm, such as 0.4mm, 0.6mm, 0.8mm, 1mm, and the like.

In one example, the second abutment ring 143 protrudes from the second end face 1412 by a height of 0.3mm to 1mm, such as 0.4mm, 0.6mm, 0.8mm, 1mm, etc.

In one example, the first yarn blocking mechanism 120 has an outer annular surface 1421 and first and second side surfaces 1422 and 1423 connected to the outer annular surface 1421, respectively. The first side 1422 and the second side 1423 are oppositely disposed. The second side 1423 is closer to the second yarn blocking mechanism 130 than the first side 1422.

In one example, the second side surface 1423 of the first yarn blocking mechanism 120 is smoothly transited to the outer annular surface 1421 of the first yarn blocking mechanism 120. The second side surface 1423 and the outer annular surface 1421 are smoothly transitioned to prevent the yarn from catching on the outer annular surface 1421 of the first yarn stop mechanism 120 when jumping off the winding drum 270, and the yarn slides into the winding groove 101.

In one example, the first side 1422 of the first yarn blocking mechanism 120 is perpendicular to the axial direction of the yarn winding mechanism 110. In this way, the first yarn blocking mechanism 120 is prevented from contacting the winding bobbin holder 400, and the yarn is prevented from jumping out of the yarn winding groove 101.

In one example, the abutment mechanism 140 is disposed proximate the first end 111 of the yarn winding mechanism 110.

In one example, the hollow hole 113 of the yarn winding mechanism 110 is provided coaxially with the mounting hole 1413 of the connecting member 141.

In one example, the yarn winding mechanism 110 is provided with a first yarn cutting hole 114. The first yarn cutting hole 114 is a through hole communicating with the hollow hole 113. When the rolled yarn is cleaned, the hooked knife is used for stretching into the first yarn cutting hole 114, and the rolled yarn can be taken out after the yarn is hooked and cut.

In another example, the first yarn cutting hole 114 is a concave groove formed by inward sinking of the outer side surface of the yarn winding mechanism 110, which can also facilitate cleaning of the wound yarn.

In one example, the first yarn cutting hole 114 extends in the axial direction of the yarn winding mechanism 110.

In one example, the second yarn blocking mechanism 130 is provided with a second yarn cutting hole 131. The second yarn cutting hole 131 is a through hole communicated with the inner annular hole of the second yarn blocking mechanism 130. In the particular example shown, the first yarn cutting hole 114 communicates with the second yarn cutting hole 131.

In another example, the second yarn cutting hole 131 communicates with the first yarn cutting hole 114. The second yarn cutting hole 131 is a concave groove formed in the outer annular surface 1421 of the second yarn blocking mechanism 130.

As shown in fig. 5 to 7, the present invention further provides a yarn winding apparatus 200, which comprises a base 210, a rotary driving device 220, a spindle head 240, a bearing 260, a first clamp 240, a second clamp 250, a yarn winding bobbin 270, and any of the above-mentioned devices 100 for preventing a yarn from being wound around the spindle 200.

The stub shaft 240 is provided on the housing 210. The stub shaft 240 has a stepped shaft that passes through the hollow hole 113 and the mounting hole 1413 from the second end 112 of the yarn winding mechanism 110, and a shoulder of the stepped shaft abuts against the abutment mechanism 140. The bearing 260 is arranged at a part of the stepped shaft penetrating out of the mounting hole 1413, an inner ring of the bearing 260 abuts against the first abutting ring 142, the first clamp 240 is arranged on the bearing 260, the first clamp 240 and the second clamp 250 are respectively arranged at two ends of the yarn winding drum 270, the first clamp 240 and the second clamp 250 are matched to clamp the yarn winding drum 270, and the rotation driving device 220 is connected to the second clamp 250 and used for driving the second clamp 250 to rotate, so that the yarn winding drum 270 is driven to rotate.

The yarn winding apparatus 200 described above has the positioning mechanism of any of the examples described above, and thus a corresponding technical effect can be obtained.

As shown in fig. 7, more specifically, the first fixture 240 has a substantially annular plate-shaped structure, an inner ring of the first fixture 240 is provided with a stopper groove 242, and an outer ring of the bearing 260 is fitted in the stopper groove 242. The yarn winding device 200 further comprises a connecting member 280, the connecting member 280 comprises a screw 281 and a limiting portion 282, and the screw 281 is arranged on the limiting portion 282. The screw 281 is introduced into the shaft head 240 and the stopper 282 holds the bearing 260 between the stopper 282 and the connecting member 141.

In one example, the first clamp 240 is provided with an annular yielding groove 241 at a side facing the device 100 for preventing the yarn from winding around the rotating shaft 200, the first yarn blocking mechanism 120 is embedded in the yielding groove 241, and a space is formed between the first yarn blocking mechanism 120 and the inner wall of the yielding groove 241. In this example, the first yarn blocking mechanism 120 is fitted into the relief groove 241, and the yarn can be prevented from falling out of the yarn winding groove 101.

The following examples are provided to illustrate the present invention, but the present invention is not limited to the following examples, and it should be understood that the appended claims outline the scope of the present invention and those skilled in the art who are guided by the inventive concept will appreciate that certain changes made to the embodiments of the present invention will be covered by the spirit and scope of the claims of the present invention.

Example 1

The present embodiment provides an apparatus 100 for preventing a yarn from winding around a rotating shaft 200, which includes a winding mechanism 110, a first yarn blocking mechanism 120, a second yarn blocking mechanism 130, and an abutting mechanism 140.

The winding mechanism 110 has a cylindrical structure. The yarn winding mechanism 110 has a first end 111 and a second end 112 disposed opposite the first end 111.

The first yarn blocking mechanism 120 is a ring structure. The first yarn blocking mechanism 120 is disposed at the first end 111 of the yarn winding mechanism 110. The second yarn blocking mechanism 130 is a ring structure. The second yarn blocking mechanism 130 is disposed at the second end 112 of the yarn winding mechanism 110.

The outer end surface of the yarn winding mechanism 110, the first yarn blocking mechanism 120 and the second yarn blocking mechanism 130 enclose an annular yarn winding groove 101. The abutting mechanism 140 includes a connecting member 141, a first abutting ring 142, and a second abutting ring 143. The connecting member 141 is disposed in the hollow hole 113 of the yarn winding mechanism 110 and connected to a hole wall of the hollow hole 113. The connection member 141 divides the hollow hole 113 into a first region 1131 and a second region 1132. The first region 1131 is a region near the first end 111 of the yarn winding mechanism 110, and the second region 1132 is a region near the second end 112 of the yarn winding mechanism 110.

The first abutment ring 142 is disposed on the first end surface 1411 and around the mounting hole 1413. The second abutment ring 143 is disposed on the second end face 1412 of the connection part 141 and around the mounting hole 1413.

The first yarn stop 120 has an outer annular surface 1421 and first and second side surfaces 1422 and 1423 connected to the outer annular surface 1421. The first side 1422 and the second side 1423 are oppositely disposed. The second side 1423 is closer to the second yarn blocking mechanism 130 than the first side 1422. The second side surface 1423 of the first yarn blocking mechanism 120 smoothly transitions to the outer annular surface 1421 of the first yarn blocking mechanism 120. The first side 1422 of the first yarn blocking mechanism 120 is perpendicular to the axial direction of the yarn winding mechanism 110. The hollow hole 113 of the yarn winding mechanism 110 is provided coaxially with the mounting hole 1413 of the connecting member 141.

The yarn winding mechanism 110 is provided with a first yarn cutting hole 114. The first yarn cutting hole 114 is a through hole communicating with the hollow hole 113. The second yarn blocking mechanism 130 is provided with a second yarn cutting hole 131. The second yarn cutting hole 131 is a through hole communicated with the inner annular hole of the second yarn blocking mechanism 130. The second yarn blocking mechanism 130 is provided with a second yarn cutting hole 131. The second yarn cutting hole 131 is a through hole communicated with the inner annular hole of the second yarn blocking mechanism 130. The first yarn cutting hole 114 extends in the axial direction of the yarn winding mechanism 110. In the particular example shown, the first yarn cutting hole 114 communicates with the second yarn cutting hole 131.

Example 2

The present embodiment provides a yarn winding apparatus 200, which comprises a base 210, a rotary driving device 220, a shaft head 240, a bearing 260, a first clamp 240, a second clamp 250, a yarn winding bobbin 270, and any of the above-mentioned devices 100 for preventing yarn from winding around the rotary shaft 200.

The stub shaft 240 is provided on the housing 210. The stub shaft 240 has a stepped shaft that passes through the hollow hole 113 and the mounting hole 1413 from the second end 112 of the yarn winding mechanism 110, and a shoulder of the stepped shaft abuts against the abutment mechanism 140. The bearing 260 is arranged at a part of the stepped shaft penetrating out of the mounting hole 1413, an inner ring of the bearing 260 abuts against the first abutting ring 142, the first clamp 240 is arranged on the bearing 260, the first clamp 240 and the second clamp 250 are respectively arranged at two ends of the yarn winding drum 270, the first clamp 240 and the second clamp 250 are matched to clamp the yarn winding drum 270, and the rotation driving device 220 is connected to the second clamp 250 and used for driving the second clamp 250 to rotate, so that the yarn winding drum 270 is driven to rotate.

An annular receding groove 241 is formed in one side of the first clamp 240, which faces the device 100 for preventing the yarn from winding around the rotating shaft 200, the first yarn blocking mechanism 120 is embedded in the receding groove 241, and a space is formed between the first yarn blocking mechanism 120 and the inner wall of the receding groove 241.

The first fixture 240 has a substantially annular plate-shaped structure, an inner ring of the first fixture 240 is provided with a limiting groove 242, and an outer ring of the bearing 260 is embedded in the limiting groove 242. The yarn winding device 200 further comprises a connecting member 280, the connecting member 280 comprises a screw 281 and a limiting portion 282, and the screw 281 is arranged on the limiting portion 282. The screw 281 is introduced into the shaft head 240 and the stopper 282 holds the bearing 260 between the stopper 282 and the connecting member 141.

When the yarn on the winding drum 270 jumps off the winding drum 270, the yarn is wound in the winding groove 101 of the device 100 for preventing the yarn from winding on the rotating shaft 200, so that the situation that the yarn is wound on the rotating shaft 200 and the bearing 260 rotates inefficiently or is damaged is avoided.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.