CN111254625A

CN111254625A - Trouser leg polishing semi-automatic transmission device for beggar jeans garment processing

Info

Publication number: CN111254625A
Application number: CN202010108075.7A
Authority: CN
Inventors: 高爱霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-06-09

Abstract

The invention provides a trouser leg polishing semi-automatic transmission device for processing beggar jeans garments, relates to the technical field of jeans processing, and solves the problems that when the trouser legs of jeans are polished, the jeans need to be detached from an expansion mechanism and replaced again after polishing is finished, and the jeans replacement process consumes long time, so that the processing efficiency of beggar jeans is low. The utility model provides a beggar jeans trousers leg of garment processing semi-automatic transmission that polishes, includes bearing mechanism, the bearing mechanism left end sliding connection have dismouting mechanism. The jeans fixing mechanism is limited and inserted on the transmission mechanism, when the driving mechanism is provided with the poking column which slides into the U-shaped poking groove of the transmission mechanism, the jeans fixing mechanism which is fixed with the polished jeans at present is driven to rotate to one adjacent position, and the other adjacent group of jeans fixing mechanism rotates to the current position, so that automatic feeding is realized, and the working personnel can conveniently continue to polish the trouser legs.

Description

Trouser leg polishing semi-automatic transmission device for beggar jeans garment processing

Technical Field

The invention belongs to the technical field of jeans processing, and particularly relates to a trouser leg polishing semi-automatic transmission device for beggar jeans trouser garment processing.

Background

In order to meet the pursuit of beauty and individuality of jeans, in the process of processing the jeans, the legs of the jeans are usually polished, knitted fibers on the surfaces of the jeans are torn up to form a hole burr effect, and the jeans are called as beggar jeans with special aesthetic feeling.

In modern factories, when doing trouser leg polishing work on jeans, trousers are usually sleeved on an expansion mechanism by a worker, and the worker holds a special trouser leg polishing device to polish back and forth along the jeans, but the working method has the following disadvantages: the trouser legs can be polished for several seconds, after one jeans trouser leg is polished, the current jeans need to be detached from the expansion mechanism and sleeved with the jeans to be polished again, the jeans replacement process consumes a long time, and the processing efficiency of the beggar jeans is low.

Disclosure of Invention

In order to solve the technical problems, the invention provides a trouser leg polishing semi-automatic transmission device for beggar jeans trousers processing, which aims to solve the problems that when trouser legs of jeans are polished, the current jeans need to be detached from an expansion mechanism and sleeved with jeans to be polished again after one jeans trouser leg is polished, the jeans replacement process consumes long time, and the processing efficiency of beggar jeans is low.

The invention relates to a purpose and an effect of a trouser leg polishing semi-automatic transmission device for beggar jeans garment processing, which are achieved by the following specific technical means:

a trouser leg polishing semi-automatic transmission device for beggar jeans garment processing comprises a bearing mechanism, wherein the driving mechanism is installed at the top of the right end of the bearing mechanism, and the transmission mechanism is rotatably installed at the top of the left end of the bearing mechanism; the grooved wheel between the transmission mechanism and the driving mechanism is in driving fit; the jeans fixing mechanisms are inserted in the left end position of the transmission mechanism in a limiting mode, and the number of the jeans fixing mechanisms is not limited to one group; the left end of the bearing mechanism is connected with the dismounting mechanism in a sliding mode.

Further, the bearing mechanism comprises a rectangular bearing block, a trapezoidal chute, a spherical limiting bulge, a ball A, a rectangular supporting block A, a bearing A, a rectangular supporting block B and a bearing B, wherein the trapezoidal chute penetrating through the front end face and the rear end face of the rectangular bearing block is formed in the left end face of the rectangular bearing block, the spherical limiting bulge is welded in the middle of the left edge of the top end face of the rectangular bearing block, three balls A are embedded in the spherical limiting bulge and rotatably installed, the rectangular supporting block A is welded in the middle of the left end face of the rectangular bearing block, the bearing A is embedded in the rectangular supporting block A, the rectangular supporting block B is welded in the middle of the right side of the top end face, and the bearing B is embedded in the rectangular supporting block B;

further, the driving mechanism comprises a motor, a rotating shaft A, an auxiliary disc, a toggle column, a circular limiting block and an arc-shaped groove, wherein the left end of the rotating shaft A is fixedly connected with the motor, the right end of the rotating shaft A is welded with the axis position of the right end face of the auxiliary disc in an axial state, the circular limiting block is welded on the axis position of the left end face of the auxiliary disc, the arc-shaped groove is formed in the outer peripheral surface of the circular limiting block, the toggle column is welded on the left end face of the auxiliary disc relative to the arc-shaped groove, the rotating shaft A and the bearing B are fixedly installed in the installation state of the driving mechanism, and the motor is fixedly installed on the right end face of the rectangular supporting block B;

further, drive mechanism is including pivot B, sheave, arc spacing groove, U-shaped stir groove, transmission disc, cyclic annular ball-type spout, square spacing grafting through-hole, pivot B right-hand member fixed mounting have the sheave, the sheave periphery is the annular array form and has seted up six the arc spacing groove and six altogether the groove is stirred to the U-shaped, and six the arc spacing groove and six the U-shaped stir and be the interval form and distribute between the groove, pivot B left end fixed mounting have the U-shaped stir groove. The transmission mechanism is characterized by comprising a transmission disc, wherein the peripheral surface of the transmission disc is provided with one annular spherical sliding groove, the left end surface of the transmission disc is in an annular array shape and is provided with six square limiting insertion through holes, the rotating shaft B is fixedly installed with the bearing A in the installation state of the transmission mechanism, the arc limiting groove is tangent to the peripheral surface of the circular limiting block in a sliding manner, the U-shaped toggle groove is matched with the toggle column in a transmission manner, and when the auxiliary disc rotates three hundred sixty degrees, the grooved pulley rotates sixty degrees to feed one position;

furthermore, the disassembling and assembling mechanism comprises a square block, a scrap collecting tank, a trapezoidal sliding block, a push rod, a circular truncated cone bulge and balls B, wherein the trapezoidal sliding block is welded on the right end face of the square block, one scrap collecting tank is arranged on the top end face of the square block, the push rod is welded on the rear end face of the square block, the four circular truncated cone bulges are arranged on the bottom end face of the square block in a rectangular array shape, one ball B is embedded in the bottom end face of each circular truncated cone bulge and rotatably mounted in each circular truncated cone bulge, the bottom end face of the square block is higher than the bottom end face of the rectangular bearing block when the trapezoidal sliding block is slidably connected in the trapezoidal sliding chute in the assembling and disassembling mechanism mounting state, and the peripheral face of each ball B and the bottom end face of the rectangular bearing block are positioned;

furthermore, the jeans fixing mechanism comprises a U-shaped sleeve round rod, a horizontal tangent plane structure, an air bag, a connecting round rod and a square inserting block, wherein the horizontal tangent plane structure is arranged at the top of the U-shaped sleeve round rod, a layer of air bag is bonded on the residual outer peripheral surface of the U-shaped sleeve round rod, the square inserting block is welded at the semicircular structure part of the U-shaped sleeve round rod through the connecting round rod, the size of the square inserting block is consistent with that of the square limiting inserting through hole, and the square inserting block is in limiting insertion in the square limiting inserting through hole in the installation state of the jeans fixing mechanism;

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

before preparation, fixing the jeans with the trouser legs to be polished on the jeans fixing mechanism and stacking the jeans to one side, when the jeans fixing mechanism is applied, fixing the jeans with the trouser legs to be polished on one side at the stacking position of the jeans fixing mechanism, taking out the jeans fixing mechanism, limiting and inserting the jeans fixing mechanism on the transmission mechanism, starting the driving mechanism, firstly, when the driving mechanism is rotationally matched with the transmission mechanism, a worker can polish the jeans back and forth along the jeans by a handheld special trouser leg polishing device to tear the woven fibers on the surfaces of the jeans to form a hole burr effect, finishing the jeans processing operation, when the stirring column in the driving mechanism slides into the U-shaped stirring groove in the transmission mechanism, the stirring column stirs the grooved wheel to rotate to drive the currently fixed polished jeans fixing mechanism to rotate to an adjacent position, and the other adjacent group of jeans fixing mechanism rotates to the current position, the automatic feeding is realized, so that the working personnel can conveniently continue to carry out trouser leg polishing operation, and when the polished jeans fixing mechanism rotates to a far position, the working personnel can draw out a group of jeans fixing mechanism from a stacking position of the jeans fixing mechanism which is near to the trouser leg polishing for direct replacement, and the complex operation of replacing the jeans during the traditional jeans polishing process is not needed.

Drawings

Fig. 1 is a right end axial view structural schematic diagram of the present invention.

Fig. 2 is a bottom end axial view structure schematic diagram of the invention.

Fig. 3 is a schematic front view of the present invention.

Fig. 4 is a schematic axial view of the bearing mechanism of the present invention.

Fig. 5 is a front view of the loading mechanism of the present invention.

Fig. 6 is a schematic view of the present invention showing a partially enlarged structure at a.

Fig. 7 is a schematic view of the structure of the active mechanism of the present invention.

Fig. 8 is a schematic axial view of the transmission mechanism of the present invention.

Fig. 9 is a front view of the transmission mechanism of the present invention.

Figure 10 is a top axial view of the mechanism of the present invention.

Figure 11 is a bottom axial view of the mechanism of the invention.

Fig. 12 is a schematic structural view of a fastening mechanism for jeans according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a carrying mechanism; 101. a rectangular bearing block; 102. a trapezoidal chute; 103. a spherical limiting bulge; 104. a ball A; 105. a rectangular supporting block A; 106. a bearing A; 107. a rectangular supporting block B; 108. a bearing B; 2. an active mechanism; 201. a motor; 202. a rotating shaft A; 203. an auxiliary disc; 204. shifting the column; 205. a circular limiting block; 206. an arc-shaped slot; 3. a transmission mechanism; 301. a rotating shaft B; 302. a grooved wheel; 303. an arc-shaped limiting groove; 304. a U-shaped toggle groove; 305. a transmission disc; 306. an annular spherical chute; 307. a square limiting plug-in through hole; 4. a disassembly and assembly mechanism; 401. a square block; 402. a scrap collecting tank; 403. a trapezoidal slider; 404. a push rod; 405. the circular truncated cone is protruded; 406. a ball B; 5. a jeans fixing mechanism; 501. the U-shaped sleeve is connected with the round rod; 502. a horizontal section structure; 503. an air bag; 504. connecting the round rod; 505. a square insert block;

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 12:

the invention provides a trouser leg polishing semi-automatic transmission device for processing beggar jeans garments, which comprises: the bearing mechanism 1 comprises a rectangular bearing block 101, a trapezoidal sliding groove 102, a spherical limiting bulge 103, balls A104, a rectangular supporting block A105, a bearing A106, a rectangular supporting block B107 and a bearing B108, wherein the trapezoidal sliding groove 102 penetrating through the front end surface and the rear end surface of the rectangular bearing block 101 is formed in the left end surface of the rectangular bearing block 101, the spherical limiting bulge 103 is welded in the middle of the left side edge of the top end surface of the rectangular bearing block 101, the three balls A104 are embedded and rotatably mounted on the spherical limiting bulge 103, the rectangular supporting block A105 is welded in the left side part of the middle of the top end surface of the rectangular bearing block 101, the bearing A106 is embedded on the rectangular supporting block A105, the rectangular supporting block B107 is welded in the right side part of the middle of the top end surface, the bearing B108 is embedded on the rectangular supporting block B107, and the transmission mechanism 3 is rotatably mounted at the top of the left end of, the transmission mechanism 3 comprises a rotating shaft B301, a grooved pulley 302, an arc-shaped limiting groove 303, a U-shaped toggle groove 304, a transmission disc 305, an annular spherical sliding groove 306 and a square limiting insertion through hole 307, wherein the grooved pulley 302 is fixedly installed at the right end of the rotating shaft B301, the periphery of the grooved pulley 302 is in an annular array shape, six arc-shaped limiting grooves 303 and six U-shaped toggle grooves 304 are arranged, the six arc-shaped limiting grooves 303 and the six U-shaped toggle grooves 304 are distributed at intervals, and the left end of the rotating shaft B301 is fixedly installed. The transmission disc 305 is provided with an annular spherical sliding groove 306 on the outer peripheral surface of the transmission disc 305, the left end surface of the transmission disc 305 is provided with six-prescription-shaped limiting insertion through holes 307 in an annular array shape, the rotating shaft B301 and the bearing A106 are fixedly installed in the installation state of the transmission mechanism 3, the arc-shaped limiting groove 303 and the outer peripheral surface of the circular limiting block 205 slide and are tangent, the U-shaped toggle groove 304 is in transmission fit with the toggle column 204, and when the auxiliary disc 203 rotates three hundred sixty degrees, the grooved pulley 302 rotates sixty degrees to feed one position; the transmission mechanism 3 is in driving fit with the sheave of the driving mechanism 2; the jeans fixing mechanisms 5 are inserted in the left end position of the transmission mechanism 3 in a limiting way, and the number of the jeans fixing mechanisms 5 is not limited to one group; bearing mechanism 1 left end sliding connection has dismouting mechanism 4, dismouting mechanism 4 is including square piece 401, sweeps collecting vat 402, trapezoidal slider 403, push rod 404, the protruding 405 of round platform, ball B406, square piece 401 right-hand member face welding has a trapezoidal slider 403, square piece 401 top end face has seted up a sweeps collecting vat 402, square piece 401 rear end face welding has push rod 404, square piece 401 bottom is personally submitted the rectangular array form and is provided with four protruding 405 of round platform altogether, the protruding 405 bottom face of every round platform is all embedded to rotate and installs a ball B406, dismouting mechanism 4 installation status is down, when trapezoidal slider 403 sliding connection is in trapezoidal spout 102, square piece 401 bottom end face is higher than rectangular bearing block 101 bottom end face, ball B outer peripheral face 406 is in same tangent horizontal plane with rectangular bearing block 101 bottom end face.

The driving mechanism 2 comprises a motor 201, a rotating shaft A202, an auxiliary disc 203, a toggle column 204, a circular limiting block 205 and an arc-shaped groove 206, the left end of the rotating shaft A202 is fixedly connected with the motor 201, the right end of the rotating shaft A202 is welded with the axial center of the right end face of the auxiliary disc 203 in a coaxial state, the circular limiting block 205 is welded at the axial center of the left end face of the auxiliary disc 203, the arc-shaped groove 206 is formed in the outer peripheral face of the circular limiting block 205, the toggle column 204 is welded at the position, opposite to the arc-shaped groove 206, of the left end face of the auxiliary disc 203, the rotating shaft A202 is fixedly installed with a bearing B108 in the installation state of the driving mechanism 2.

The jeans fixing mechanism 5 comprises a U-shaped sleeve round rod 501, a horizontal tangent plane structure 502, an air bag 503, a connecting round rod 504 and a square inserting block 505, the horizontal tangent plane structure 502 is arranged at the top of the U-shaped sleeve round rod 501, the air bag 503 is bonded on the residual outer peripheral surface of the U-shaped sleeve round rod 501, the square inserting block 505 is welded on the semicircular structure part of the U-shaped sleeve round rod 501 through the connecting round rod 504, the size of the square inserting block 505 is consistent with that of the square limiting inserting through hole 307, and the square inserting block 505 is limited and inserted in the square limiting inserting through hole 307 in the installation state of the jeans fixing mechanism 5.

When in use:

firstly, sleeving jeans to be trouser leg polished on a U-shaped sleeving round rod 501, enabling the surface to be polished of the jeans to face to a horizontal tangent plane structure 502 arranged at the top end of the U-shaped sleeving round rod 501, and inflating an air bag 503 to expand the air bag, so that the jeans are fixed on the U-shaped sleeving round rod 501;

step two, when the utility model is used, the jeans waiting for trouser legs to be polished at one side are already fixed at the stacking position of the jeans fixing mechanism 5, six groups of the jeans fixing mechanisms 5 are taken out, the six groups of the jeans fixing mechanisms 5 are in limited plug-in connection with the transmission mechanism 3, and when the jeans fixing mechanisms 5 are in limited plug-in connection: aligning the square inserting block 505 to the square limiting inserting through hole 307 and limiting and inserting, and ensuring that the part of the horizontal tangent plane structure 502 faces outwards; starting the motor 201, setting the rotating speed according to the requirement, driving the rotating shaft A202 to drive the auxiliary disc 203 to rotate, when rotating, the circular limiting block 205 slides tangentially with the arc-shaped limiting groove 303 to keep the position of the grooved wheel 302 unchanged, at this time, a worker can hold the special trouser leg polishing device by hand to polish back and forth along jeans, and tear woven fibers on the surface of the jeans, so as to form a hole burr effect, and finish the processing operation of the jeans, when the toggle column 204 slides into the U-shaped toggle groove 304, the circular limiting block 205 is separated from the arc-shaped limiting groove 303, the toggle column 204 toggles the grooved wheel 302 to rotate, and when rotating, the grooved wheel 302 part structure around the U-shaped toggle groove 304 corresponds to the arc-shaped groove 206, so as to ensure that the rotation is not hindered, and when the toggle column 204 toggles the grooved wheel 302 to rotate, the transmission disc is synchronously driven to rotate, because when the auxiliary disc 203 rotates by three hundred and sixty degrees, the grooved, therefore, the polished jeans fixing mechanism 5 is fixed to rotate to an adjacent position, and the other adjacent group of jeans fixing mechanisms 5 rotate to the current position, so that automatic feeding is realized, and the working personnel can conveniently continue to polish the trouser legs;

step three, when polishing the jeans trouser legs, torn and broken jeans fiber scraps can fall into a scrap collecting tank 402 which is arranged in the dismounting mechanism 4 right below the jeans trouser legs, after polishing and processing of the jeans are completed, a worker can grasp the push rod 404 to pull the square block 401, the bottom end face of the square block 401 is higher than the bottom end face of the rectangular bearing block 101, the peripheral face of the ball B406 and the bottom end face of the rectangular bearing block 101 are positioned on the same tangent horizontal plane, so that when pulling is guaranteed, the ball B406 is in sliding contact with the ground, small obstruction is guaranteed during pulling, after the dismounting mechanism 4 is separated from the bearing mechanism 1 in a pulling mode, the worker can push the dismounting mechanism 4 to move the jeans fiber scraps collected in the scrap collecting tank 402 to a corresponding position for processing.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a pair of beggar jeans trousers leg semi-automatic transmission that polishes of garment processing which characterized in that: the device comprises a bearing mechanism (1), wherein the driving mechanism (2) is installed at the top of the right end of the bearing mechanism (1), and the transmission mechanism (3) is rotatably installed at the top of the left end of the bearing mechanism (1); the transmission mechanism (3) is in driving fit with the sheave of the driving mechanism (2); the jeans fixing mechanisms (5) are inserted in the left end position of the transmission mechanism (3) in a limiting manner, and the number of the jeans fixing mechanisms (5) is not limited to one group; the left end of the bearing mechanism (1) is connected with the dismounting mechanism (4) in a sliding manner.

2. The semi-automatic trouser leg grinding transmission device for beggar jeans trouser processing according to claim 1, characterized in that: the bearing mechanism (1) comprises a rectangular bearing block (101), a trapezoidal sliding groove (102), a spherical limiting bulge (103), a ball A (104), a rectangular supporting block A (105), a bearing A (106), a rectangular supporting block B (107) and a bearing B (108), wherein the trapezoidal sliding groove (102) penetrating through the front end surface and the rear end surface of the rectangular bearing block (101) is formed in the left end surface of the rectangular bearing block (101), the spherical limiting bulge (103) is welded in the middle of the left side edge of the top end surface of the rectangular bearing block (101), the three balls A (104) are embedded and rotatably installed on the spherical limiting bulge (103), the embedded rectangular supporting block A (105) is welded in the middle of the top end surface of the rectangular bearing block (101), the bearing A (106) is installed on the rectangular supporting block A (105), and the rectangular supporting block B (107) is welded in the middle of the right side of the top end surface, and the rectangular supporting block B (107) is embedded with the bearing B (108).

3. The semi-automatic trouser leg grinding transmission device for beggar jeans trouser processing according to claim 1, characterized in that: the driving mechanism (2) comprises a motor (201), a rotating shaft A (202), an auxiliary disc (203), a toggle column (204), a circular limiting block (205) and an arc-shaped groove (206), the left end of the rotating shaft A (202) is fixedly connected with the motor (201), the right end of the rotating shaft A (202) is welded with the axial center position of the right end surface of the auxiliary disc (203) in a coaxial state, the axle center part of the left end surface of the auxiliary disc (203) is welded with the circular limiting block (205), the outer peripheral surface of the round limiting block (205) is provided with the arc-shaped groove (206), the left end surface of the auxiliary disc (203) is welded with a toggle column (204) corresponding to the arc-shaped groove (206), in the installation state of the driving mechanism (2), the rotating shaft A (202) and the bearing B (108) are fixedly installed, the motor (201) is fixedly arranged on the right end face of the rectangular supporting block B (107).

4. The semi-automatic trouser leg grinding transmission device for beggar jeans trouser processing according to claim 1, characterized in that: drive mechanism (3) including pivot B (301), sheave (302), arc spacing groove (303), U-shaped stir groove (304), transmission disc (305), cyclic annular ball-type spout (306), square spacing grafting through-hole (307), pivot B (301) right-hand member fixed mounting have sheave (302), sheave (302) periphery is personally submitted annular array form and has seted up six places arc spacing groove (303) and six places altogether groove (304) are stirred to the U-shaped, and six places arc spacing groove (303) and six places are stirred to the U-shaped and are described between groove (304) and be the interval form and distribute, pivot B (301) left end fixed mounting have the. The transmission disc (305) and the peripheral surface of the transmission disc (305) are provided with an annular spherical sliding groove (306), the left end surface of the transmission disc (305) is in an annular array shape and is provided with six square limiting insertion through holes (307), under the installation state of the transmission mechanism (3), the rotating shaft B (301) and the bearing A (106) are fixedly installed, the arc limiting groove (303) and the peripheral surface of the circular limiting block (205) slide tangentially, the U-shaped toggle groove (304) is in transmission fit with the toggle column (204), and when the auxiliary disc (203) rotates three hundred sixty degrees, the sheave (302) rotates one feeding position at sixty degrees.

5. The semi-automatic trouser leg grinding transmission device for beggar jeans trouser processing according to claim 1, characterized in that: the disassembly and assembly mechanism (4) comprises a square block (401), a scrap collecting groove (402), a trapezoid sliding block (403), a push rod (404), a circular truncated cone bulge (405) and a ball B (406), wherein the right end face of the square block (401) is welded with the trapezoid sliding block (403), the top end face of the square block (401) is provided with the scrap collecting groove (402), the back end face of the square block (401) is welded with the push rod (404), the bottom end face of the square block (401) is provided with four circular truncated cone bulges (405) in a rectangular array shape, each circular truncated cone bulge (405) is provided with one ball B (406) in an embedded and rotating manner, under the installation state of the disassembly and assembly mechanism (4), when the trapezoid sliding block (403) is connected in the trapezoid sliding groove (102), the bottom end face of the square block (401) is higher than the bottom end face of the rectangular bearing block (101), the peripheral surface of the ball B (406) and the bottom end surface of the rectangular bearing block (101) are in the same tangent horizontal plane.

6. The semi-automatic trouser leg grinding transmission device for beggar jeans trouser processing according to claim 1, characterized in that: the jeans fixing mechanism (5) comprises a U-shaped sleeve round rod (501), a horizontal tangent plane structure (502), an air bag (503), a connecting round rod (504) and a square inserting block (505), wherein the horizontal tangent plane structure (502) is arranged at the top of the U-shaped sleeve round rod (501), the air bag (503) is bonded on the residual outer peripheral surface of the U-shaped sleeve round rod (501), the U-shaped sleeve round rod (501) semicircular structure is welded with the square inserting block (505) through one connecting round rod (504), the size of the square inserting block (505) is consistent with that of the square limiting inserting through hole (307), and the square inserting block (505) is in limiting inserting connection in the square limiting inserting through hole (307) in the installation state of the jeans fixing mechanism (5).