阅读说明：本技术 一种服装生产用具有张紧结构的布料放卷装置及其方法 (Cloth unwinding device with tensioning structure for clothing production and method thereof ) 是由 汤玉兵 张翠娥 朱阳 于 2021-08-13 设计创作，主要内容包括：本发明公开了一种服装生产用具有张紧结构的布料放卷装置及其方法,涉及服装生产加工装置领域,针对现有的放卷装置结构简单且布料进行放卷时易松弛产生褶皱,降低工作效率的问题,现提出如下方案,其包括底座、工作台和支撑座,所述底座顶端固定安装有工作台,且所述工作台顶端固定安装有支撑板,所述底座远离支撑板一侧固定安装有支撑座；所述支撑板一侧转动安装有两个结构相同的导向辊,且所述支撑板一侧开设有安装槽,所述安装槽滑动安装有活动块,且所述活动块靠近导向辊一侧转动安装有移动辊。本发明结构新颖,且该装置通过升降装置的设置,起到调节布料放卷时布料张力大小的作用,防止布料产生褶皱,提高工作效率。(The invention discloses a cloth unwinding device with a tension structure for clothing production and a method thereof, relates to the field of clothing production and processing devices, and aims to solve the problems that the conventional unwinding device is simple in structure, and wrinkles are easily generated when cloth is unwound, so that the working efficiency is reduced; backup pad one side is rotated and is installed two guide rolls that the structure is the same, just the mounting groove has been seted up to backup pad one side, mounting groove slidable mounting has the movable block, just the movable block is close to guide roll one side and rotates and install the removal roller. The cloth unwinding device is novel in structure, and the device has the effect of adjusting the tension of the cloth when the cloth is unwound through the arrangement of the lifting device, so that the cloth is prevented from being wrinkled, and the working efficiency is improved.)

1. A cloth unwinding device with a tensioning structure for clothing production comprises a base (1), a workbench (2) and a supporting seat (19), and is characterized in that the workbench (2) is fixedly installed at the top end of the base (1), a supporting plate (9) is fixedly installed at the top end of the workbench (2), and the supporting seat (19) is fixedly installed on one side, far away from the supporting plate (9), of the base (1);

the device is characterized in that two guide rollers (10) with the same structure are rotatably mounted on one side of the supporting plate (9), a mounting groove (12) is formed in one side of the supporting plate (9), a movable block (24) is slidably mounted in the mounting groove (12), a moving roller (11) is rotatably mounted on one side, close to the guide rollers (10), of the movable block (24), a lifting device is arranged on one side, away from the moving roller (11), of the movable block (24), a placing rod (14) is rotatably mounted on one side, close to the guide rollers (10), of the supporting plate (9), the end, away from the supporting plate (9), of the placing rod (14) is sleeved with a fixing cap (17) in a threaded manner, and abutting structures with the same structure are arranged on one side, close to the placing rod (14), of the fixing cap (17) and on the circumferential side wall of the placing rod (14);

workstation (2) are kept away from backup pad (9) one side and are rotated and install two dwangs that the structure is the same and be symmetric distribution, and two the dwang all runs through workstation (2), and two along its length direction the one end of dwang homonymy all is equipped with the same transmission of structure.

2. The cloth unwinding device with the tensioning structure for clothing production according to claim 1, wherein the lifting device comprises a connecting rod (25), a second hydraulic telescopic rod (26), a support plate and a weight increasing block, the connecting rod (25) is fixedly connected to one side of the movable block (24) away from the moving roller (11), the support plate is fixedly mounted to one side of the workbench (2) away from the moving roller (11), the second hydraulic telescopic rod (26) is fixedly mounted to the top end of the support plate, the end portion of the movable shaft of the second hydraulic telescopic rod (26) is fixedly connected to the circumferential side wall of the connecting rod (25), and the weight increasing block is fixedly arranged at one end of the connecting rod (25) away from the movable block (24).

3. The cloth unwinding device with the tensioning structure for clothing production according to claim 1, wherein the position abutting device comprises a fixing plate (15), a spring (16) and a position abutting plate, the fixing cap (17) is fixedly connected with the fixing plate (15) near one side of the placing rod (14), the fixing plate (15) is fixedly arranged at one end of the placing rod (14) far away from the fixing cap (17), the springs (16) with the same structure and distributed in an annular array are fixedly arranged at one opposite side of the two fixing plates (15), and the position abutting plates with the same structure are fixedly connected at one ends of the two groups of springs (16) far away from the fixing plate (15) at the same side.

4. The cloth unwinding device with the tension structure for clothing production according to claim 1, wherein the transmission device comprises a driving wheel disc (8), a belt (7), a driven wheel disc (6), a mounting box (18) and a reduction motor (28), wherein the driving wheel disc (8) with the same structure is fixedly sleeved at both ends of one supporting rod, the driven wheel disc (6) with the same structure is fixedly mounted at both ends of the other supporting rod, the belt (7) with the same structure is sleeved between the driving wheel disc (8) and the driven wheel disc (6) at the same side, the supporting seat (19) is L-shaped, the mounting box (18) is fixedly mounted at the top end of the vertical section of the supporting seat (19), the reduction motor (28) is fixedly mounted at the inner wall of the bottom end of the mounting box (18), and an output shaft of the reduction motor (28) penetrates through the mounting box (18), and the end part of an output shaft of the speed reducing motor (28) is fixedly connected with one side opposite to one supporting rod, and two groups of clamping structures which have the same structure and are symmetrically distributed are fixedly installed on the side walls of the two belts (7).

5. The cloth unwinding device with the tensioning structure for clothing production according to claim 4, wherein the clamping structure comprises a support block (3), a first clamping plate (4), a second clamping plate (5), a transmission gear (21), a mounting plate (22), a tooth block (23), a first hydraulic telescopic rod (20) and a rotating rod, two support blocks (3) which are identical in structure and symmetrically distributed are fixedly mounted on the side walls of the two belts (7), the support blocks (3) are L-shaped, the first clamping plates (4) which are identical in structure are fixedly mounted at the top ends of the vertical sections of the support blocks (3), grooves which are identical in structure are formed in the side of the first clamping plate (4) far away from the workbench (2), the rotating rods which are identical in structure are rotatably mounted in the grooves, and the second clamping plate (5) and the transmission gear (21) which are identical in structure are fixedly sleeved on the circumferential side walls of the rotating rods, the equal fixed mounting in supporting shoe (3) horizontal segment top has first hydraulic telescoping rod (20) that the structure is the same, just the equal fixedly connected with mounting panel (22) that the structure is the same of first hydraulic telescoping rod (20) activity shaft tip, mounting panel (22) are close to the equal fixed mounting in workstation (2) one side and have the same structure and be tooth piece (23) that the rectangle array distributes, just drive gear (21) all with organize together tooth piece (23) meshing is organized with organize the equal fixed mounting in the relative one side of first splint (4) and second splint (5) has the rubber pad.

6. The cloth unwinding device that has a tension structure for clothing production according to claim 1, characterized in that, the backup pad (9) is kept away from guide roll (10) one side fixed mounting has a protection box (13), and protection box (13) bottom inner wall fixed mounting has step motor (27), just place pole (14) and keep away from fixing cap (17) one end and rotate and run through protection box (13), place pole (14) and run through protection box (13) one end and step motor (27) output shaft end fixed connection, just one side fixed connection that protection box (13) bottom is relative with backup pad (9) has two bearing bars that the structure is the same and be the symmetric distribution, backup pad (9) one side fixed mounting is kept away from in workstation (2) has the controller, just the model of controller is SC 200.

7. The cloth unwinding device with the tensioning structure for clothing production according to claim 1, characterized in that both ends of the guide roller (10) and the moving roller (11) are fixedly sleeved with limiting plates with the same structure, both sides of the movable block (24) are fixedly provided with sliders with the same structure, and inner walls of both sides of the mounting groove (12) are provided with sliding grooves matched with the sliders.

8. A cloth unwinding method with a tension structure for garment production is characterized by comprising the following steps:

s1, firstly, placing cloth on a placing rod (14), screwing one end of the placing rod (14) far away from a supporting plate (9) through a fixing cap (17), and propping the cloth through two propping structures;

s2, pulling the cloth to sequentially pass through a guide roller (10) and a moving roller (11), and finally starting the first hydraulic telescopic rods (20) in the same group to ascend through a controller to enable the two groups of first clamping plates (4) to move towards the second clamping plates (5) in the same group to clamp and fix the cloth;

s3, starting a first hydraulic telescopic rod (20) through a controller to drive a movable block (24) to drive a movable roller (11) to ascend or descend, so that the cloth is kept in a tight state in the unwinding process, and the working efficiency is improved;

and S4, finally, starting the speed reducing motor (28), the stepping motor (27) and the first hydraulic telescopic rod (20) through the controller, driving the placing rod (14) to slowly rotate by the stepping motor (27), and driving the transmission device to move by the speed reducing motor (28) so that the two groups of clamping devices alternately clamp the cloth.

Technical Field

The invention relates to the field of garment production and processing devices, in particular to a cloth unwinding device with a tensioning structure for garment production and a method thereof.

Background

The old tailoring refers to the spinning, sewing and other works of women, people are more accustomed to the physical labor of women workers who are engaged in the spinning, sewing, embroidering and other works in ancient times, the modern tailoring mode is a clothing production method which mainly adopts modern machine processing and assists in manual processing, and cloth unwinding devices are needed to be arranged for convenient unwinding of cloth during tailoring and cutting, so that subsequent cutting is facilitated, and the working efficiency is improved.

But the coiling device simple structure that has now and cloth easily lax when unreeling and produce the fold, influence follow-up effect of cutting, reduce work efficiency. Therefore, in order to solve the above problems, we propose a cloth unwinding device with a tensioning structure for clothing production and a method thereof.

Disclosure of Invention

The cloth unwinding device with the tensioning structure for clothing production and the method thereof solve the problems that the existing unwinding device is simple in structure, the cloth is easy to loosen and wrinkle when being unwound, and the working efficiency is reduced.

In order to achieve the purpose, the invention adopts the following technical scheme:

a cloth unwinding device with a tensioning structure for clothing production comprises a base, a workbench and a supporting seat, wherein the workbench is fixedly mounted at the top end of the base, a supporting plate is fixedly mounted at the top end of the workbench, and the supporting seat is fixedly mounted on one side, away from the supporting plate, of the base;

two guide rollers with the same structure are rotatably mounted on one side of the supporting plate, a mounting groove is formed in one side of the supporting plate, a movable block is slidably mounted in the mounting groove, a moving roller is rotatably mounted on one side, close to the guide rollers, of the movable block, a lifting device is arranged on one side, far away from the moving roller, of the movable block, a placing rod is rotatably mounted on one side, close to the guide rollers, of the supporting plate, a fixing cap is sleeved on one end, far away from the supporting plate, of the placing rod in a threaded manner, and abutting structures with the same structure are arranged on one side, close to the placing rod, of the fixing cap and on the circumferential side wall of the placing rod;

the workstation is kept away from backup pad one side and is rotated and install two dwangs that the structure is the same and be symmetric distribution, and two the dwang all runs through the workstation along its length direction, and two the one end of dwang homonymy all is equipped with the same transmission of structure.

Preferably, elevating gear includes connecting rod, second hydraulic stretching pole, extension board and weight increase piece, the movable block is kept away from and is removed roller one side fixedly connected with connecting rod, just the workstation is kept away from and is removed roller one side fixed mounting and have the extension board, extension board top fixed mounting has the second hydraulic stretching pole, just second hydraulic stretching pole movable shaft tip and connecting rod circumference lateral wall fixed connection, just the fixed cover of movable block one end is kept away from to the connecting rod is equipped with the weight increase piece.

Preferably, the position-supporting device comprises a fixed plate, a spring and a position-supporting plate, the fixed cap is close to the fixed plate which is fixedly connected with one side of the placing rod, the fixed sleeve which is arranged at one end of the placing rod and is far away from the fixed sleeve which is arranged at one end of the fixed cap is provided with a fixed plate and two springs, the springs are fixedly arranged at one opposite side of the fixed plate and are of the same structure and distributed in an annular array, and the springs are arranged at the same side of the fixed plate and are far away from the same position-supporting plate which is fixedly connected with one end of the fixed plate and is of the same structure.

Preferably, transmission is including driving rim plate, belt, driven rim plate, mounting box and gear motor, one of them the equal fixed cover in bracing piece both ends is equipped with the same drive rim plate of the same structure, and another the equal fixed mounting in bracing piece both ends has the same driven rim plate of structure, homonymy the cover is equipped with the belt of a structure looks section of thick bamboo between drive rim plate and the driven rim plate, just the supporting seat is the L type, the vertical section top fixed mounting of supporting seat has the mounting box, just mounting box bottom inner wall fixed mounting has gear motor, the gear motor output shaft runs through the mounting box, just gear motor output shaft tip is relative one side fixed connection rather than one of them bracing piece, two the equal fixed mounting of belt lateral wall has the same and clamping structure who is the symmetric distribution of two sets of structures.

Preferably, the clamping structure comprises a supporting block, a first clamping plate, a second clamping plate, a transmission gear, a mounting plate, a tooth block, a first hydraulic telescopic rod and a rotating rod, wherein two supporting blocks which are identical in structure and symmetrically distributed are fixedly mounted on two side walls of the belt, the supporting blocks are L-shaped, the first clamping plates which are identical in structure are fixedly mounted at the top ends of the vertical sections of the supporting blocks, grooves which are identical in structure are formed in one sides, away from the workbench, of the first clamping plates, the rotating rods which are identical in structure are rotatably mounted in the grooves, the second clamping plates and the transmission gear which are identical in structure are fixedly sleeved on the side walls of the circumference of the rotating rods, the first hydraulic telescopic rods which are identical in structure are fixedly mounted at the top ends of the horizontal sections of the supporting blocks, the mounting plate which is identical in structure and fixedly mounted on one side, close to the workbench, of the tooth block which is identical in structure and distributed in a rectangular array is fixedly mounted on one side, of the mounting plate, and the transmission gears are all meshed with the tooth blocks in the same group, and rubber pads are fixedly installed on the opposite sides of the first clamping plate and the second clamping plate in the same group.

Preferably, the backup pad is kept away from guide roll one side fixed mounting and is had the protection box, just protection box bottom inner wall fixed mounting has step motor, just place the pole and keep away from locking cap one end and rotate and run through the protection box, it runs through protection box one end and step motor output shaft end fixed connection to place the pole, just two bearing bars that the same structure of one side fixedly connected with that protection box bottom is relative with the backup pad is the symmetric distribution, backup pad one side fixed mounting is kept away from to the workstation has the controller, just the model of controller is SC 200.

Preferably, the equal fixed cover in guide roll and removal roller both ends is equipped with the limiting plate that the structure is the same, just the equal fixed mounting in movable block both sides has the slider that the structure is the same, mounting groove both sides inner wall seted up with slider assorted spout.

A cloth unwinding method with a tension structure for garment production comprises the following steps:

s1, firstly, placing cloth on the placing rod, screwing the cloth with one end of the placing rod far away from the supporting plate through the fixing cap, and propping the cloth through the two propping structures;

s2, pulling the cloth to sequentially pass through a guide roller and a moving roller, and finally starting the first hydraulic telescopic rods in the same group to ascend through a controller to enable the two groups of first clamping plates to move to the second clamping plates in the same group to clamp and fix the cloth;

s3, starting the first hydraulic telescopic rod through the controller to drive the movable block to drive the movable roller to ascend or descend, so that the cloth is kept in a tight state in the unreeling process, and the working efficiency is improved;

s4, finally, starting the speed reducing motor, the stepping motor and the first hydraulic telescopic rod through the controller, driving the placing rod to slowly rotate by the stepping motor, and driving the transmission device to move by the speed reducing motor, so that the two groups of clamping devices alternately clamp the cloth.

The invention has the beneficial effects that:

1. through elevation structure's setting, utilize the second hydraulic stretching pole drive movable block area to remove the roller and rise or descend, reach the tensile effect of cloth when adjusting the cloth and unreeling, impel the cloth to keep the state of straining when unreeling, prevent the cloth fold, improved work efficiency greatly.

2. Through clamping device's setting, utilize first hydraulic telescoping rod drive mounting panel to remove, rotate through tooth piece drive gear, order about the second splint and remove to the first splint of homonymy, reach the effect of centre gripping cloth, through gear motor drive transmission motion, make the fixed cloth of two sets of clamping device centre gripping in turn, improved work efficiency greatly.

To sum up, the device novel structure through elevating gear's setting, plays the effect of adjusting cloth tension size when the cloth unreels, prevents that the cloth from producing the fold, improves work efficiency, and through gear motor drive transmission motion, impels two sets of clamping device centre gripping cloth in turn, has improved work efficiency greatly.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is an enlarged view of A of FIG. 1 according to the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a cross-sectional view of a mounting box and a protective box of the present invention;

FIG. 5 is an exploded view of the inventive clamping device;

FIG. 6 is an exploded view of the positioning device of the present invention;

fig. 7 is an exploded view of the lifting structure of the present invention.

Reference numbers in the figures: 1. a base; 2. a work table; 3. a support block; 4. a first splint; 5. a second splint; 6. a driven wheel disc; 7. a belt; 8. a drive wheel disc; 9. a support plate; 10. a guide roller; 11. a moving roller; 12. mounting grooves; 13. a protective case; 14. placing a rod; 15. a fixing plate; 16. a spring; 17. a fixing cap; 18. mounting a box; 19. a supporting seat; 20. a first hydraulic telescopic rod; 21. a transmission gear; 22. mounting a plate; 23. a tooth block; 24. a movable block; 25. a connecting rod; 26. a second hydraulic telescopic rod; 27. a stepping motor; 28. a speed reducing motor.

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.

The first embodiment is as follows:

referring to fig. 1-7, a cloth unwinding device with a tensioning structure for clothing production comprises a base 1, a workbench 2 and a supporting seat 19, wherein the workbench 2 is fixedly installed at the top end of the base 1, a supporting plate 9 is fixedly installed at the top end of the workbench 2, and the supporting seat 19 is fixedly installed at one side, far away from the supporting plate 9, of the base 1;

two guide rollers 10 with the same structure are rotatably mounted on one side of the supporting plate 9, a mounting groove 12 is formed in one side of the supporting plate 9, a movable block 24 is slidably mounted in the mounting groove 12, a moving roller 11 is rotatably mounted on one side, close to the guide rollers 10, of the movable block 24, a lifting device is arranged on one side, away from the moving roller 11, of the movable block 24, a placing rod 14 is rotatably mounted on one side, close to the guide rollers 10, of the supporting plate 9, a fixing cap 17 is sleeved on one end, away from the supporting plate 9, of the placing rod 14 in a threaded manner, and abutting structures with the same structure are arranged on one side, close to the placing rod 14, of the fixing cap 17 and on the circumferential side wall of the placing rod 14;

workstation 2 keeps away from backup pad 9 one side and rotates and install two dwangs that the structure is the same and be symmetric distribution, and two the dwang all runs through workstation 2, and two along its length direction the one end of dwang homonymy all is equipped with the same transmission of structure.

Referring to fig. 1, fig. 3, fig. 6 and fig. 7, elevating gear includes connecting rod 25, second hydraulic stretching pole 26, extension board and weight increasing piece, the movable block 24 is kept away from and is removed 11 one side fixedly connected with connecting rod 25, just workstation 2 is kept away from and is removed 11 one side fixed mounting of roller and have the extension board, extension board top fixed mounting has second hydraulic stretching pole 26, just second hydraulic stretching pole 26 activity shaft end and connecting rod 25 circumference lateral wall fixed connection, just the fixed cover of 24 one end of movable block of keeping away from of connecting rod 25 is equipped with the weight increasing piece.

Support the position device and include fixed plate 15, spring 16 and support the position board, locking cap 17 is close to and places 14 one side fixedly connected with fixed plate 15 of pole, just it keeps away from the fixed cover of 17 one end of locking cap to place 14 and is equipped with fixed plate 15, two the equal fixed mounting in one side that fixed plate 15 is relative has the same structure and is the spring 16 that the annular array distributes, and two sets of spring 16 keeps away from the homonymy the same position board that supports of the equal fixedly connected with structure of fixed plate 15 one end.

When the device is used, a worker places cloth on the placing rod 14, and simultaneously arranges a fixing cap 17 at one end of the placing rod 14 far away from the supporting plate 9 to fix the cloth, and when the cloth is placed on the placing rod 14, the two abutting plates are always tightly attached to two ends of the cloth under the action of the springs 16 at the same side, so that the cloth with different sizes can be clamped and fixed conveniently, and the cloth is prevented from displacing in the unreeling process to affect the effect of a product, then, the worker pulls one end of the cloth to sequentially pass through the two groups of guide rollers 10 and the moving roller 11 to be placed on the adjacent group of clamping devices, meanwhile, the worker starts the second hydraulic telescopic rod 26 through the controller, the second hydraulic telescopic rod 26 drives the connecting rod 25 to move, the connecting rod 25 drives the movable block 24 to move to promote the moving roller 11 to lift or descend the cloth, so as to achieve the effect of adjusting the tension of the cloth, and prevent the cloth from loosening in the unreeling process, the cloth is folded, the product quality is affected, and the working efficiency is greatly improved.

Example two:

referring to fig. 3-7, the transmission includes a drive sheave 8, a belt 7, a driven sheave 6, a mounting box 18 and a reduction motor 28, wherein, both ends of one of the supporting rods are fixedly sleeved with driving wheel discs 8 with the same structure, both ends of the other supporting rod are fixedly provided with driven wheel discs 6 with the same structure, a belt 7 with the same structure is sleeved between the driving wheel disc 8 and the driven wheel disc 6 on the same side, the supporting seat 19 is L-shaped, the top end of the vertical section of the supporting seat 19 is fixedly provided with a mounting box 18, and a speed reducing motor 28 is fixedly arranged on the inner wall of the bottom end of the mounting box 18, an output shaft of the speed reducing motor 28 penetrates through the mounting box 18, and the end part of the output shaft of the speed reducing motor 28 is fixedly connected with one side opposite to one of the support rods, and two groups of clamping structures which have the same structure and are symmetrically distributed are fixedly arranged on the side walls of the two belts 7.

The clamping structure comprises supporting blocks 3, a first clamping plate 4, a second clamping plate 5, a transmission gear 21, a mounting plate 22, a tooth block 23, a first hydraulic telescopic rod 20 and a rotating rod, wherein two supporting blocks 3 which are identical in structure and symmetrically distributed are fixedly mounted on the side wall of the belt 7, the supporting blocks 3 are L-shaped, the first clamping plates 4 which are identical in structure are fixedly mounted at the top ends of the vertical sections of the supporting blocks 3, grooves which are identical in structure are formed in the side, away from the workbench 2, of each first clamping plate 4, rotating rods which are identical in structure are rotatably mounted in the grooves, the second clamping plates 5 and the transmission gear 21 which are identical in structure are fixedly sleeved on the side wall of the circumference of each rotating rod, the first hydraulic telescopic rods 20 which are identical in structure are fixedly mounted at the top ends of the horizontal sections of the supporting blocks 3, and the mounting plates 22 which are identical in structure are fixedly connected to the movable shaft ends of the first hydraulic telescopic rods 20, the mounting panel 22 is close to 2 one sides of workstation equal fixed mounting have the structure the same and be the tooth piece 23 that the rectangle array distributes, just drive gear 21 all with organize tooth piece 23 meshing is with organizing the equal fixed mounting in the relative one side of first splint 4 and second splint 5 has the rubber pad.

Backup pad 9 is kept away from guide roll 10 one side fixed mounting and is had protection box 13, just protection box 13 bottom inner wall fixed mounting has step motor 27, just place pole 14 and keep away from fixing cap 17 one end and rotate and run through protection box 13, place pole 14 and run through protection box 13 one end and step motor 27 output shaft tip fixed connection, just two bearing bars that the structure is the same and be symmetric distribution of protection box 13 bottom and the relative one side fixedly connected with of backup pad 9, backup pad 9 one side fixed mounting is kept away from to workstation 2 has the controller, just the model of controller is SC 200.

The equal fixed cover in guide roll 10 and removal roller 11 both ends is equipped with the limiting plate that the structure is the same, just the equal fixed mounting in movable block 24 both sides has the slider that the structure is the same, 12 both sides inner walls of mounting groove have been seted up with slider assorted spout.

The worker places one end of the cloth on the two first clamping plates 4 in the same group, simultaneously starts the two first hydraulic telescopic rods 20 in the same group through the controller, the first hydraulic telescopic rods 20 drive the mounting plate 22 to ascend, the mounting plate 22 drives the toothed block 23 to ascend, the toothed block 23 drives the transmission gear 21 to rotate, the transmission gear 21 drives the rotating rod to rotate, the rotating rod drives the second clamping plate 5 to rotate, the second clamping plate 5 is driven to move towards the first clamping plate 4 on the same side, the cloth is clamped and fixed, after the previous step operation is finished, the worker starts the stepping motor 27, the speed reduction motor 28 and the first hydraulic telescopic rods 20 through the controller to operate, the speed reduction motor 28 drives the adjacent one of the supporting rods to rotate, the adjacent one of the supporting rods drives the two driving wheel discs 8 to rotate, the two driving wheel discs 8 drive the driven wheel disc 6 to rotate through the belt 7, and drives the two groups of clamping devices on the same side to rotate through the belt 7, through the arrangement of the transmission device, the two groups of clamping devices can alternately clamp the cloth, the processing is convenient, and the working efficiency is greatly improved.

Example three:

a cloth unwinding method with a tension structure for garment production comprises the following steps: firstly, a worker places cloth on a placing rod 14, the cloth is screwed with one end of the placing rod 14, far away from a supporting plate 9, through a fixing cap 17, and the cloth is abutted through two abutting structures, so that the effect of fixing the cloth is achieved, meanwhile, the device can place the cloth with different sizes, the practicability of the device is greatly improved, secondly, the cloth is pulled to sequentially pass through a guide roller 10 and a moving roller 11, and finally, a controller is used for starting a same group of first hydraulic telescopic rods 20 to ascend, so that two groups of first clamping plates 4 are driven to move towards a same group of second clamping plates 5, and the cloth is clamped and fixed (the specific embodiment refers to the first embodiment); after that, the controller starts the first hydraulic telescopic rod 20 to drive the movable block 24 to drive the movable roller 11 to ascend or descend, so that the cloth is kept in a tight state in the unreeling process, and the working efficiency is improved; finally, the speed reduction motor 28, the stepping motor 27 and the first hydraulic telescopic rod 20 are started through the controller, the stepping motor 27 drives the placing rod 14 to slowly rotate and match with the clamping devices, cloth is convenient to unreel (the specific embodiment refers to embodiment two), the working efficiency is greatly improved, and meanwhile, the speed reduction motor 28 drives the transmission device to move, so that the two groups of clamping devices alternately clamp the cloth.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.