阅读说明：本技术 耐磨防卡线的缝纫机旋梭 (Wear-resistant and thread-jamming-resistant sewing machine rotating shuttle ) 是由 李新文 于 2021-10-12 设计创作，主要内容包括：本发明公开了耐磨防卡线的缝纫机旋梭,涉及缝纫机旋梭技术领域,包括旋梭主体和固定安装在旋梭主体中部顶面上的安装套,安装套的上端外壁上活动安装有连接固定环,连接固定环的两端下侧分别固定安装有吸毛板,吸毛板的下端固定卡接有收集盒,将旋梭主体固定好之后,启动缝纫机,驱动电机则会带动旋梭主体进行转动,旋梭主体则会带动带动块进行转动,在弧形滑槽的限位作用下,从而使得带动块整体会在弧形滑槽中向下进行滑动,从而可以通过传动卡柱带动摩擦块主体整体向下移动,使得之前被吸附在玻璃层表面上的毛絮可以被三角刮块刮取到收集盒主体中,从而可以实现毛絮的吸附和集中收集。(The invention discloses a sewing machine rotating shuttle with wear resistance and thread jamming prevention, which relates to the technical field of sewing machine rotating shuttles and comprises a rotating shuttle main body and a mounting sleeve fixedly arranged on the top surface of the middle part of the rotating shuttle main body, wherein the outer wall of the upper end of the mounting sleeve is movably provided with a connecting and fixing ring, the lower sides of the two ends of the connecting and fixing ring are respectively and fixedly provided with a wool sucking plate, the lower end of the wool sucking plate is fixedly clamped with a collecting box, after the rotating shuttle main body is fixed, when the sewing machine is started, the driving motor can drive the rotating shuttle main body to rotate, the rotating shuttle main body can drive the driving block to rotate, under the limiting action of the arc-shaped sliding groove, the whole driving block can slide downwards in the arc-shaped sliding groove, thereby can drive the whole downstream of friction block main part through the transmission kelly for the batting that adsorbs on the glass layer surface before can be scraped the piece by the triangle and scrape and get in collecting box main part, thereby can realize the absorption and the concentrated collection of batting.)

1. Sewing machine rotating shuttle of wear-resisting anti-sticking line, including rotating shuttle main part (1) and fixed mounting installation cover (2) on rotating shuttle main part (1) middle part top surface, its characterized in that: the outer wall of the upper end of the mounting sleeve (2) is movably provided with a connecting and fixing ring (3), the lower sides of the two ends of the connecting and fixing ring (3) are respectively and fixedly provided with a wool sucker (4), the lower end of the wool sucker (4) is fixedly clamped with a collecting box (5), the lower end of the wool sucker (4) protrudes out of the bottom surface of the rotating shuttle main body (1), the outer wall of the rotating shuttle main body (1) is provided with an arc-shaped chute (11), the bottom surface and the top surface of the inner cavity of the arc-shaped chute (11) are respectively provided with an arc-shaped slideway (12), and the arc-shaped chute (11) is slidably provided with a driving block (13);

the connecting and fixing ring (3) comprises a bearing ring (31) and a pair of first semicircular blocks (32) fixedly mounted on the outer wall of the bearing ring (31), and fastening screws (33) are mounted on the first semicircular blocks (32) in a penetrating mode through threads;

the hair absorption plate (4) comprises an L-shaped plate (41) and a friction block (42) which is slidably arranged on the outer wall of the inner side of the L-shaped plate (41);

the collecting box (5) comprises a collecting box main body (51) and a communicating square block (52) fixedly arranged on the top surface of one side of the collecting box main body (51), a clamping block (53) is arranged in an inner cavity of one side of the collecting box main body (51) in a sliding mode, and the upper end of the clamping block (53) is arranged in an inner cavity of the communicating square block (52);

the driving block (13) comprises a T-shaped block (131) and a reset spring (132) with one end installed on the outer wall of one side of one end of the T-shaped block (131), the other end of the reset spring (132) is provided with an installation round block (133), the installation round block (133) is fixedly installed on the inner wall of an inner cavity at the upper end of the arc-shaped sliding groove (11), a through groove (1311) is formed in the outer wall of one side of the T-shaped block (131), and semicircular grooves (1312) are formed in the inner walls of two sides of the inner end of the through groove (1311) respectively;

the L-shaped plate (41) comprises a second semicircular block (411) and an L-shaped plate main body (412) fixedly arranged on the outer wall of the second semicircular block (411), an installation through groove (4121) is arranged on the outer wall of the inner side of the upper end of the L-shaped plate main body (412), a glass layer (4122) is fixedly installed on the bottom surface of an inner cavity of the installation through groove (4121), a clamping groove (4123) is arranged on the top surface of the upper end of the L-shaped plate main body (412), and a triangular clamping groove (4124) is arranged on the inner wall of one side of the inner cavity of the clamping groove (4123), two sides of the bottom surface of the lower end of the inner cavity of the mounting through groove (4121) are respectively provided with an extension spring (4125), the friction block (42) is slidably mounted in the mounting through groove (4121), one end of the extension spring (4125) is arranged on the bottom surfaces of the two ends of the friction block (42), and the friction block (42) comprises a friction block main body (421) and a transmission clamping column (422) fixedly arranged on the outer wall of the lower end of the friction block main body (421);

the transmission clamping column (422) comprises a transmission clamping column main body (4221) and embedding grooves (4222) which are respectively arranged on the top surface and the bottom surface of the outer end of the transmission clamping column main body (4221), a pair of extrusion springs (4223) are arranged on the bottom surface of an inner cavity of each embedding groove (4222), a semicircular clamping block (4224) is arranged at an opening of each embedding groove (4222) in a sliding mode, and the outer end of each extrusion spring (4223) is installed on the bottom surface of each semicircular clamping block (4224).

2. The wear-resistant, thread jamming-resistant sewing machine rotary shuttle of claim 1, wherein: an anti-abrasion roller (1313) is movably mounted on the bottom surface of the outer end of the through groove (1311), first balls (1314) are respectively arranged on the outer walls of the upper side and the lower side of one end of the T-shaped block (131), second balls (1315) are respectively arranged on the outer walls of the top surface and the bottom surface of one end of the T-shaped block (131), and the second balls (1315) are arranged in the arc-shaped slide way (12).

3. The wear-resistant, thread jamming-resistant sewing machine rotary shuttle of claim 1, wherein: the output end of the fastening screw (33) is fixedly provided with a rubber non-slip pad (331).

4. The wear-resistant, thread jamming-resistant sewing machine rotary shuttle of claim 1, wherein: a triangular scraping block (423) is fixedly installed on the outer wall of the inner side of the top face of the friction block main body (421), a silk layer (424) is arranged on the outer wall of the inner side of the friction block main body (421), and the silk layer (424) is in contact with the glass layer (4122).

5. The wear-resistant, thread jamming-resistant sewing machine rotary shuttle of claim 1, wherein: the collecting box is characterized in that a collecting inner groove (511) is formed in the top surface of the collecting box main body (51), a leakage-proof net (513) is arranged on the bottom surface of the collecting box main body (51), the leakage-proof net (513) is communicated with the collecting inner groove (511), and an L-shaped through hole (512) is formed in the outer wall of one side of the collecting box main body (51).

6. The wear-resistant, thread jamming-resistant sewing machine rotary shuttle of claim 5, wherein: the outer wall of one side of the communicated square block (52) is provided with a clamping communication hole (521), and the clamping communication hole (521) is communicated with the L-shaped through hole (512).

7. The wear-resistant, thread jamming-resistant sewing machine rotary shuttle of claim 6, wherein: the clamping block (53) comprises a pressing block (531) and a concave connecting rod (533) fixedly installed on the outer wall of the back face of the pressing block (531), a trapezoidal clamping block (532) is fixedly installed at the upper end portion of the concave connecting rod (533), the outer walls of the upper end and the lower end of the inner side of the concave connecting rod (533) are respectively provided with a rebound spring (534), and one end of the rebound spring (534) is respectively installed on the inner cavity inner walls of the L-shaped through hole (512) and the clamping communication hole (521).

Technical Field

The invention relates to the technical field of sewing machine rotating shuttles, in particular to a wear-resistant and thread-jamming-resistant sewing machine rotating shuttle.

Background

The rotating shuttle is an important component of sewing machine, the principle of forming stitch by rotating shuttle is basically same as that of swinging shuttle, but its course and method are different from that of swinging shuttle, the working principle of rotating shuttle is that after the machine needle is lifted for a certain distance, the shuttle tip of rotating shuttle bed begins to hook into the thread loop, the thread loop is hooked by the shuttle frame branching hook and then rotates continuously, when the thread loop is fed to the guide opening of rotating shuttle frame, the thread loop is hooked by the shuttle frame branching hook, at this time, the machine needle should be lifted about 2 mm from the lower limit position. When the thread loop is close to the rotating shuttle frame, the thread loop end is moved to the back of the guide rail, the angle between the thread loop hook and the needle moving axis is about 50 deg, the thread loop is hooked by 45 deg on the outer frame convex surface of the shuttle spindle of the shuttle bed, and the thread loop is rotated continuously, the end of the thread loop is hooked on the thread loop hook, so that the thread loop slides smoothly onto the surface of the shuttle frame, the thread end-to-face of the thread loop is separated by the bevel edge of the tail of the thread guiding plate, and the rear part of the thread loop is hooked by the thread loop hook of the shuttle frame, slides downwards to the bottom of the shuttle frame, and the needle exits from the rotating shuttle mechanism at the moment.

Present sewing machine rotating shuttle is at the during operation, because the surface of rotating shuttle can be at the rotation in-process of colluding the line each time, make the braided wire can contact with the surface of rotating shuttle, thereby make the braided wire can constantly be rubbed, the phenomenon that then can appear unhairing on the braided wire, the braided wire is then can drift down sewing machine's inside by the hair that the friction drops, then can cause the influence to sewing machine's rotation lubrication for a long time, thereby sewing machine rotating shuttle's life has been reduced, and when the operator cleared up the braided wire and takes off the hair, still need carry out the dismouting to sewing machine's partial part, not only the cleaning efficiency is low, it is very troublesome to clear up simultaneously, be not convenient for use.

To solve the problems, the prior device is improved, and the sewing machine rotating shuttle with wear resistance and thread jamming resistance is provided.

Disclosure of Invention

The invention aims to provide a sewing machine rotating shuttle with wear-resisting and thread-blocking-preventing functions, which is used for working, so that the problems that in the background, when the sewing machine rotating shuttle works, the surface of the rotating shuttle can be in contact with the surface of the rotating shuttle in each rotating thread hooking process, so that a spinning thread can be continuously rubbed, the phenomenon of hair removal can occur on the spinning thread, hairs which are rubbed off by the spinning thread can fall into the sewing machine, and the rotating lubrication of the sewing machine can be influenced in the long term, so that the service life of the sewing machine rotating shuttle is shortened, and when an operator cleans the hairs which are removed by the spinning thread, part of parts of the sewing machine need to be disassembled and assembled, so that the cleaning efficiency is low, the cleaning is very troublesome, and the sewing machine is inconvenient to use are solved.

In order to achieve the purpose, the invention provides the following technical scheme: the sewing machine rotating shuttle capable of resisting wear and blocking threads comprises a rotating shuttle main body and a mounting sleeve fixedly mounted on the top surface of the middle part of the rotating shuttle main body, wherein a connecting fixing ring is movably mounted on the outer wall of the upper end of the mounting sleeve, wool absorbing plates are fixedly mounted on the lower sides of the two ends of the connecting fixing ring respectively, a collecting box is fixedly clamped at the lower ends of the wool absorbing plates, the lower ends of the wool absorbing plates are arranged to protrude out of the bottom surface of the rotating shuttle main body, an arc-shaped sliding groove is formed in the outer wall of the rotating shuttle main body, arc-shaped sliding ways are arranged on the bottom surface and the top surface of the inner cavity of the arc-shaped sliding groove respectively, and a driving block is slidably mounted on the arc-shaped sliding groove;

the connecting and fixing ring comprises a bearing ring and a pair of first semicircular blocks fixedly arranged on the outer wall of the bearing ring, and fastening screws are arranged on the first semicircular blocks in a penetrating mode through threads;

the hair absorbing plate comprises an L-shaped plate and a friction block which is slidably arranged on the outer wall of the inner side of the L-shaped plate;

the collecting box comprises a collecting box main body and a communicating square block fixedly installed on the top surface of one side of the collecting box main body, a clamping block is arranged in the inner cavity of one side of the collecting box main body in a sliding mode, and the upper end of the clamping block is arranged in the inner cavity of the communicating square block.

Further, drive the piece and include that T type piece and one end are installed the reset spring on T type piece one end one side outer wall, and the installation disk is installed to reset spring's the other end, and installation disk fixed mounting is on the inner chamber inner wall of arc spout upper end.

Furthermore, a through groove is formed in the outer wall of one side of the T-shaped block, semicircular grooves are formed in the inner end two side inner walls of the through groove respectively, an anti-abrasion roller is movably mounted on the bottom surface of the outer end of the through groove, first balls are arranged on the upper side and the lower side outer wall of one end of the T-shaped block respectively, second balls are arranged on the top surface and the bottom surface outer wall of one end of the T-shaped block respectively, and the second balls are arranged in the arc-shaped slide ways.

Further, the output tail end of the fastening screw is fixedly provided with a rubber non-slip pad.

Further, the L template includes second semicircle piece and the L template main part of fixed mounting on second semicircle piece outer wall, and be provided with the installation on the inboard outer wall in upper end of L template main part and lead to the groove, fixed mounting has the glass layer on the inner chamber bottom surface that the groove was led to in the installation, be provided with the joint groove on the upper end top surface of L template main part, and be provided with the triangle draw-in groove on one side inner wall of joint inslot chamber, the lower extreme bottom surface both sides that the groove inner chamber was led to in the installation are provided with extension spring respectively, clutch blocks slidable mounting is in the groove is led to in the installation, and extension spring's one end is installed on the both ends bottom surface of clutch blocks.

Further, the friction block comprises a friction block main body and a transmission clamping column fixedly mounted on the outer wall of the outer side of the lower end of the friction block main body, a triangular scraping block is fixedly mounted on the outer wall of the inner side of the top surface of the friction block main body, a silk layer is arranged on the outer wall of the inner side of the friction block main body, and the silk layer is in contact with the glass layer.

Furthermore, the transmission clamping column comprises a transmission clamping column main body and embedding grooves respectively formed in the top surface and the bottom surface of the outer end of the transmission clamping column main body, a pair of extrusion springs are arranged on the bottom surface of an inner cavity of each embedding groove, a semicircular clamping block is slidably arranged at an opening of each embedding groove, and the outer ends of the extrusion springs are mounted on the bottom surface of the semicircular clamping block.

Furthermore, a collecting inner groove is formed in the top face of the collecting box main body, an anti-leakage net is arranged on the bottom face of the collecting box main body and communicated with the collecting inner groove, and an L-shaped through hole is formed in the outer wall of one side of the collecting box main body.

Furthermore, a clamping communication hole is formed in the outer wall of one side of the communicated square block, and the clamping communication hole is communicated with the L-shaped through hole.

Further, the joint piece is including pressing according to the briquetting and fixed mounting according to the concave type connecting rod on the briquetting back outer wall, and the upper end fixed mounting of concave type connecting rod has trapezoidal fixture block, is provided with the rebound spring on the upper and lower both ends outer wall of concave type connecting rod inboard respectively, and the one end of rebound spring is installed respectively on the inner chamber inner wall of L type through-hole and joint intercommunicating pore.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the sewing machine rotating shuttle of the wear-resistant and thread-blocking-resistant structure, the rubber anti-slip pad is fixedly arranged at the output tail end of the fastening screw, the mounting sleeve is fixed on the output shaft of the driving motor through the screw, an operator can rotate the wool sucking plate on the mounting sleeve at the moment, adjust the position of the wool sucking plate and then screw the fastening screw in a screwing mode under the action of the rubber anti-slip pad, so that the position of the wool sucking plate can be fixed, and the wool falling off from a textile thread can be conveniently collected by the wool sucking plate under the condition that the mounting sleeve is ensured to rotate along with the driving motor.

2. The sewing machine rotating shuttle with the wear-resisting and thread-blocking preventing functions, provided by the invention, is started after the rotating shuttle main body is fixed, the driving motor drives the rotating shuttle main body to rotate, the rotating shuttle main body drives the driving block to rotate, when the front surface of the driving block rotates to the position of the transmission clamping column, the outer end of the transmission clamping column is embedded into the through groove and is clamped in the through groove through the semicircular clamping block, the rotating shuttle main body continues to drive the driving block to rotate at the moment, under the limiting action of the arc-shaped sliding groove, the whole driving block can slide downwards in the arc-shaped sliding groove, so that the transmission clamping column can drive the friction block main body to move downwards integrally, the lint adsorbed on the surface of the glass layer can be scraped into the collecting box main body by the triangular scraping block, the adsorption and the centralized collection of the lint can be realized, and the arrangement not only skillfully utilizes the displacement of the rotating shuttle main body during the rotation, meanwhile, the collection and the cleaning of the catkins by operators are facilitated.

3. The sewing machine rotating shuttle of the invention has the advantages that when the driving block slides to the tail end of the arc-shaped chute, the driving block can not continuously rotate along with the rotating shuttle main body, thereby having a tendency of separating from the transmission clamping column, the extrusion spring is extruded at the moment, the semicircular clamping block is pressed into the embedding groove, thereby realizing that the outer end of the transmission clamping column is separated from the through groove, the driving block automatically resets to the initial end of the arc-shaped sliding groove under the resilience action of the reset spring, the friction block resets under the elasticity action of the extension spring, and the arrangement of the silk layer and the glass layer ensures that the friction block can rub the glass layer while resetting, thereby produce static, this kind of setting makes the device can adsorb the effect of batting, collection batting and production static simultaneously under the drive of rotating shuttle main part, convenient to use.

4. According to the sewing machine rotating shuttle with the wear-resistant anti-thread jamming function, when an operator needs to feed collected batting, the press block can be pressed, the trapezoid clamping block can be driven by the press block through the concave connecting rod to move inwards, so that the trapezoid clamping block is separated from the triangular clamping groove, the collecting box main body is taken down, all the batting in the collecting box main body can be washed clean by flushing water to the anti-leakage net, the installation is the same, and the batting is convenient to clean.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the sewing machine rotating shuttle of the invention;

FIG. 2 is a schematic perspective view of a rotating shuttle main body of the sewing machine rotating shuttle of the invention;

FIG. 3 is a schematic view of the plane structure of the arc chute of the rotating shuttle of the sewing machine for preventing the abrasion and the thread jamming of the present invention;

FIG. 4 is a schematic view of a three-dimensional structure of a driving block of a rotating shuttle of the sewing machine for preventing wear and thread jamming according to the present invention;

FIG. 5 is a schematic view of a three-dimensional structure of a hair-sucking plate of a rotary shuttle of the sewing machine for preventing abrasion and thread jamming according to the present invention;

FIG. 6 is an enlarged view of FIG. 5 taken at A of the sewing machine rotating shuttle of the present invention showing abrasion resistance and thread jamming prevention;

FIG. 7 is an enlarged view of FIG. 5 at B of the sewing machine rotating shuttle of the present invention showing abrasion resistance and thread jamming prevention;

FIG. 8 is a schematic perspective view of a friction block of a rotary shuttle of the sewing machine for wear-resistant and thread-jamming prevention according to the present invention;

FIG. 9 is a cross-sectional view of the drive latch of the sewing machine rotating shuttle of the present invention for wear resistance and thread jamming prevention;

FIG. 10 is a perspective view of the thread jamming prevention sewing machine rotating shuttle collection box according to the present invention;

FIG. 11 is a cross-sectional view of the thread catching box of the sewing machine rotating shuttle of the present invention.

In the figure: 1. a rotating shuttle main body; 11. an arc-shaped chute; 12. an arc-shaped slideway; 13. driving the block; 131. a T-shaped block; 1311. a through groove; 1312. a semicircular groove; 1313. an anti-abrasion roller; 1314. a first ball bearing; 1315. a second ball bearing; 132. a return spring; 133. installing a round block; 2. installing a sleeve; 3. connecting the fixing rings; 31. a bearing ring; 32. a first semicircular block; 33. fastening screws; 331. a rubber non-slip mat; 4. a wool absorbing plate; 41. an L-shaped plate; 411. a second semicircular block; 412. an L-shaped plate body; 4121. installing a through groove; 4122. a glass layer; 4123. a clamping groove; 4124. a triangular clamping groove; 4125. an extension spring; 42. a friction block; 421. a friction block body; 422. a transmission clamping column; 4221. a transmission clamp column main body; 4222. embedding the groove; 4223. a compression spring; 4224. a semicircular clamping block; 423. a triangular scraping block; 424. a silk layer; 5. a collection box; 51. a collection box main body; 511. collecting the inner groove; 512. an L-shaped through hole; 513. a leakage-proof net; 52. the square blocks are communicated; 521. clamping the communicating hole; 53. a clamping block; 531. a pressing block; 532. a trapezoidal fixture block; 533. a concave connecting rod; 534. a rebound spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, 5 and 10, the wear-resistant thread jamming prevention rotary hook of a sewing machine includes a rotary hook main body 1 and a mounting sleeve 2 fixedly mounted on a top surface of a middle portion of the rotary hook main body 1, a connecting fixing ring 3 is movably mounted on an outer wall of an upper end of the mounting sleeve 2, wool suction plates 4 are respectively fixedly mounted on lower sides of two ends of the connecting fixing ring 3, a collecting box 5 is fixedly clamped at a lower end of the wool suction plates 4, a lower end of the wool suction plates 4 is arranged to protrude from a bottom surface of the rotary hook main body 1, an arc chute 11 is arranged on an outer wall of the rotary hook main body 1, arc slideways 12 are respectively arranged on a bottom surface and a top surface of an inner cavity of the arc chute 11, a driving block 13 is slidably mounted on the arc chute 11, the arc chute 11 is integrally arranged in a descending manner, the connecting fixing ring 3 includes a bearing ring 31 and a pair of first semicircular blocks 32 fixedly mounted on an outer wall of the bearing ring 31, a fastening screw 33 is penetratingly mounted on the first semicircular blocks 32, the hair sucking plate 4 comprises an L-shaped plate 41 and a friction block 42 which is slidably mounted on the outer wall of the inner side of the L-shaped plate 41, the collecting box 5 comprises a collecting box main body 51 and a communicating square block 52 which is fixedly mounted on the top surface of one side of the collecting box main body 51, a clamping block 53 is slidably arranged in an inner cavity of one side of the collecting box main body 51, and the upper end of the clamping block 53 is arranged in an inner cavity of the communicating square block 52.

Referring to fig. 2-4, the wear-resistant thread jamming prevention rotary shuttle of a sewing machine includes a T-shaped block 131 and a return spring 132 having one end mounted on an outer wall of one side of one end of the T-shaped block 131, an installation round block 133 is mounted at the other end of the return spring 132, the installation round block 133 is fixedly mounted on an inner wall of an inner cavity at an upper end of the arc chute 11, a through groove 1311 is disposed on an outer wall of one side of the T-shaped block 131, semicircular grooves 1312 are respectively disposed on inner walls of two sides of an inner end of the through groove 1311, an anti-wear roller 1313 is movably mounted on a bottom surface of an outer end of the through groove 1311, first balls 1314 are respectively disposed on outer walls of an upper side and a lower side of one end of the T-shaped block 131, second balls 1315 are respectively disposed on outer walls of a top surface and a bottom surface of one end of the T-shaped block 131, and the second balls 1315 are disposed in the arc chute 12.

Referring to fig. 1 and 2, the sewing machine rotating shuttle of wear-resistant thread jamming prevention is characterized in that a rubber anti-slip pad 331 is fixedly installed at the output end of a fastening screw 33, an installation sleeve 2 is fixed on an output shaft of a driving motor through screws, an operator can rotate a wool absorption plate 4 on the installation sleeve 2 at the moment, the wool absorption plate 4 is adjusted to be in position, the fastening screw 33 is screwed, under the action of the rubber anti-slip pad 331, the wool absorption plate 4 can be fixed, the arrangement ensures that the installation sleeve 2 rotates along with the driving motor, the wool absorption plate 4 can be fixed at a preset position, and wool falling off from a textile thread can be collected by the wool absorption plate 4 conveniently.

Referring to fig. 1 and 5-9, in the wear-resistant thread jamming prevention rotary hook of a sewing machine, an L-shaped plate 41 comprises a second semicircular block 411 and an L-shaped plate main body 412 fixedly installed on the outer wall of the second semicircular block 411, an installation through groove 4121 is arranged on the outer wall of the inner side of the upper end of the L-shaped plate main body 412, a glass layer 4122 is fixedly installed on the bottom surface of an inner cavity of the installation through groove 4121, a clamping groove 4123 is arranged on the top surface of the upper end of the L-shaped plate main body 412, a triangular clamping groove 4124 is arranged on the inner wall of one side of the inner cavity of the clamping groove 4123, extension springs 4125 are respectively arranged on two sides of the bottom surface of the inner cavity of the installation through groove 4121, a friction block 42 is slidably installed in the installation through groove 4121, one end of each extension spring 4125 is installed on the bottom surfaces of two ends of the friction block 42, the friction block 42 comprises a friction block main body 421 and a transmission clamping column 422 fixedly installed on the outer wall of the outer side of the lower end of the friction block main body 421, a triangular scraping block 423 is fixedly installed on the outer wall of the inner side of the top surface of the friction block main body 421, the inner side outer wall of the friction block main body 421 is provided with a silk layer 424, the silk layer 424 contacts with the glass layer 4122, the transmission clamping column 422 comprises a transmission clamping column main body 4221 and an embedding groove 4222 respectively arranged on the top surface and the bottom surface of the outer end of the transmission clamping column main body 4221, the bottom surface of the inner cavity of the embedding groove 4222 is provided with a pair of extrusion springs 4223, the opening of the embedding groove 4222 is provided with a semicircular fixture block 4224 in a sliding manner, the outer end of the extrusion spring 4223 is arranged on the bottom surface of the semicircular fixture block 4224, after the rotating shuttle main body 1 is fixed, the sewing machine is started, the driving motor drives the rotating shuttle main body 1 to rotate, the rotating shuttle main body 1 drives the driving block 13 to rotate, when the front surface of the driving block 13 rotates to the position of the transmission clamping column 422, the outer end of the transmission clamping column 422 is embedded into the through the semicircular fixture block 4224 to be clamped in the through groove 1311, at this time, the rotating shuttle main body 1 continues to drive the driving block 13 to rotate, under the limiting action of the arc-shaped sliding groove 11, the driving block 13 can slide downwards in the arc-shaped sliding groove 11, so that the friction block main body 421 can be driven by the driving clamping column 422 to move downwards integrally, so that the lint adsorbed on the surface of the glass layer 4122 can be scraped and collected into the collecting box main body 51 by the triangular scraping block 423, and the adsorption and centralized collection of the lint can be realized, the arrangement not only skillfully utilizes the displacement of the rotating shuttle main body 1 during the rotation, but also facilitates the collection and cleaning of the lint by an operator, when the driving block 13 slides to the tail end of the arc-shaped sliding groove 11, the driving block 13 cannot continuously rotate along with the rotating shuttle main body 1, so that the rotating shuttle main body can have the tendency of separation from the driving clamping column 422, at the moment, the extrusion spring 4223 is extruded, the semicircular clamping block 4224 is pressed into the embedding groove 4222, so that the outer end of the driving clamping column 422 can be separated from the through groove 1311, drive piece 13 at this moment under reset spring 132's resilience effect, the initial end to arc spout 11 resets automatically, clutch blocks 42 then can be under extension spring 4125's elasticity effect, reset, and the setting through silk layer 424 and glass layer 4122, make clutch blocks 42 when resetting, can rub glass layer 4122 again, thereby produce static, this kind of setting makes the device can be under the drive of rotating shuttle main part 1, adsorb the batting simultaneously, collect the batting and produce the effect of static, and convenient to use.

Referring to fig. 10 and 11, in the wear-resistant thread jamming prevention rotary hook of a sewing machine, a collecting inner groove 511 is formed on the top surface of a collecting box main body 51, a leakage-proof net 513 is formed on the bottom surface of the collecting box main body 51, the leakage-proof net 513 is communicated with the collecting inner groove 511, an L-shaped through hole 512 is formed on the outer wall of one side of the collecting box main body 51, a jamming through hole 521 is formed on the outer wall of one side of a communicating square block 52, the jamming through hole 521 is communicated with the L-shaped through hole 512, the jamming block 53 comprises a pressing block 531 and a concave connecting rod 533 fixedly mounted on the outer wall of the back of the pressing block 531, a trapezoidal jamming block 532 is fixedly mounted at the upper end of the concave connecting rod 533, a rebound spring 534 is respectively mounted on the outer walls of the upper and lower ends of the inner side of the concave connecting rod 533, and one end of the rebound spring 534 is respectively mounted on the inner walls of the L-shaped through hole 512 and the jamming through hole 521, when the operator need carry out the unloading to the batting of collecting, then the accessible is pressed and is pressed pressure piece 531, presses pressure piece 531 and then can drive trapezoidal fixture block 532 inward movement through concave connecting rod 533, thereby make trapezoidal fixture block 532 follow triangle draw-in groove 4124 and separate, will collect box main part 51 and take off, through washing to leak protection net 513 with the water, can be with the batting wherein whole clean, the installation is with the clearance of clean, the batting of being convenient for.

The working principle is as follows: after the rotating shuttle main body 1 is fixed, the sewing machine is started, the driving motor can drive the rotating shuttle main body 1 to rotate, the rotating shuttle main body 1 can drive the driving block 13 to rotate, when the front surface of the driving block 13 rotates to the position of the driving clamping column 422, the outer end of the driving clamping column 422 can be embedded into the through groove 1311 and clamped in the through groove 1311 through the semicircular clamping block 4224, at the moment, the rotating shuttle main body 1 continues to drive the driving block 13 to rotate, under the limiting action of the arc-shaped sliding groove 11, the whole driving block 13 can slide downwards in the arc-shaped sliding groove 11, so that the driving clamping column 422 can drive the friction block main body 421 to move downwards integrally, the lint adsorbed on the surface of the glass layer 4122 can be scraped into the collecting box main body 51 by the triangular scraping block 423, the adsorption and centralized collection of the lint can be realized, when the driving block 13 slides to the tail end of the arc-shaped sliding groove 11, the driving block 13 cannot continuously rotate along with the rotating shuttle main body 1, so that the driving block 422 tends to separate from the driving clamping column, the extrusion spring 4223 is extruded, the semicircular clamping block 4224 is pressed into the embedding groove 4222, so that the outer end of the driving clamping column 422 can separate from the through groove 1311, the driving block 13 is automatically reset to the initial end of the arc-shaped sliding groove 11 under the rebound action of the reset spring 132, the friction block 42 can reset under the elastic force action of the stretching spring 4125, and the setting of the silk layer 424 and the glass layer 4122 is realized, so that the friction block 42 can rub against the glass layer 4122 while resetting, and static electricity is generated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.