CN116002429A

CN116002429A - Automatic selvedge winding device for textile production

Info

Publication number: CN116002429A
Application number: CN202211724452.5A
Authority: CN
Inventors: 王其坡; 吴从雷; 刘学文; 田加永
Original assignee: Jiangsu Wanbang Special Textile Development Co ltd
Current assignee: Jiangsu Wanbang Special Textile Development Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-04-25

Abstract

The invention relates to the technical field of textile production and discloses an automatic edge twisting and winding device for textile production, which comprises a base, a winding roller, a pre-leveling ironing mechanism and a transverse flattening mechanism, wherein a left support plate is welded at the left end of the top of the base, a right support plate is welded at the right end of the top of the base, the winding roller is arranged between the left support plate and the right support plate, two ends of the winding roller are clamped with limiting fixing plates, rotating shaft rods are welded in the middle of the two ends of the limiting fixing plates, the left end of each rotating shaft rod penetrates through the left support plate and is connected with a driving motor, the pre-leveling ironing mechanism is arranged at the front ends of the left support plate and the right support plate, and the transverse flattening mechanism is fixedly arranged at the tops of the left support plate and the right support plate, so that the winding roller can be controlled to stably rotate to roll textiles conveniently, the edges of the textiles can be pressed and twisted before winding, the textiles can be flattened and ironed in advance, the textiles can be adjusted transversely in an automatic manner, and the bulges generated during winding are prevented.

Description

Automatic selvedge winding device for textile production

Technical Field

The invention relates to the technical field of textile production, in particular to an automatic selvedge twisting and winding device for textile production.

Background

The textile fabric produced by spinning cannot be stored at will, the mode of rolling is adopted at present generally, but the problem of uneven rolling is always encountered in the rolling process, the condition of folds is generated, the textile fabric with larger weight cannot be stored, the rolled textile fabric is inconvenient to disassemble and assemble and recycle, the edge warping is easy to roll, and the winding quality of the twisting edge in the textile production is low. For this purpose, a corresponding technical solution needs to be designed to solve.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides an automatic selvedge twisting and winding device for textile production, which solves the technical problems that the winding is uneven in the winding process, the situation of wrinkles is generated, the textile with larger weight cannot be stored, the wound textile is inconvenient to disassemble and assemble and recycle, the selvedge is easy to wind, and the winding quality of the selvedge twisting and winding in the textile production is low.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides an automatic hank limit coiling device of textile production, includes base, winding roller, pre-flattening ironing mechanism and horizontal flattening mechanism, the top left end welding of base has a left extension board, the top right-hand member welding of base has a right extension board, the winding roller is located between left extension board and the right extension board, the both ends joint of winding roller has spacing fixed plate, the welding has the pivot pole in the middle of the both ends of spacing fixed plate, the left end of pivot pole runs through left extension board and is connected with driving motor, pre-flattening ironing mechanism installs in the front end of left extension board and right extension board, the top of left extension board and right extension board is located to horizontal flattening mechanism is fixed.

Preferably, the rotating shaft rod at the right end is rotationally connected with a bearing, the bearing is embedded at the upper end of the right support plate, and the stable support assists in rotating the whole winding roller.

Preferably, the inboard end of driving motor is equipped with a drive shaft section of thick bamboo, the inboard end welding of drive shaft section of thick bamboo has a mounting panel I, a week of mounting panel I passes through bolted connection in the left side upper end of left extension board, the left end distribution of pivot pole has tooth to detain, driving motor's inside runs through a drive shaft section of thick bamboo and is connected with the drive shaft, and the tooth's socket has been seted up to the inside of drive shaft, driving motor's bottom is fixed and is equipped with the backing plate, the bottom welding of backing plate has the backup pad, the inboard end welding of backup pad has a mounting panel II, the mounting panel two passes through bolted connection in the left side lower extreme of left extension board, welded distribution has the reinforcing plate between the bottom of backup pad and the mounting panel II, stably supports driving motor, but automated control winding roll rotates the coiling fabrics.

Preferably, the extension axle has been welded at the both ends of winding roller, the spout has been seted up to the inboard one end of spacing fixed plate, the upper end welding of extension axle has the locking plate, the upper end of locking plate has the locking bolt one through screw thread through connection, the screw has been seted up to the inboard end of spout, and convenient slip grafting is passed through the locking bolt and is locked in the inside screw of spout through the locking plate again, and it is convenient to dismantle, and stable fastening after the installation.

Preferably, the surface of the winding roller is provided with a groove, the side end of the groove is inlaid with a movable shaft, the outer end of the movable shaft is fixedly provided with a clamping plate, and the front end of the clamping plate is provided with a second locking bolt in a penetrating connection manner, so that the edge of the woven cloth is clamped by the clamping plate which is convenient to open and close manually.

Preferably, the pre-leveling ironing mechanism comprises an upper pressing plate, a lower pressing plate, a mounting frame and a dust removing device, wherein the mounting frame is welded at two ends of the lower pressing plate and is of a right-angle plate structure, the mounting frame is connected to the front ends of the left support plate and the right support plate through bolts, a top plate is welded at the top of the mounting frame, an electric hydraulic device is installed at the top of the top plate, the bottom of the electric hydraulic device penetrates through a hydraulic column to be connected to two ends of the top of the upper pressing plate, the dust removing device is arranged at two ends of the upper pressing plate, air inlets are formed in the bottoms of the two ends of the upper pressing plate, and the air inlets can be used for automatically clamping and conveying textile fabrics to avoid warping edges of the textile fabrics.

Preferably, the inside distribution of holding down plate has the heating wire, heating control device is installed on the right side of holding down plate, the bottom of top board and the top of holding down plate are round corner structure, convenient direct control heating irones the textile cloth.

Preferably, the inside of dust collector installs metal filter screen plate and pp cotton filter screen plate in proper order from bottom to top, dust collector's upper end is equipped with the air outlet, the top of air outlet is connected with the exhaust pipe, is convenient for start the back and induced drafts and purifies the dust removal, improves the quality of rolling woven cloth.

Preferably, the horizontal flattening mechanism is including diaphragm, lead screw, slider, riser, driven gear axle, initiative gear axle, motor and clamp plate, the cavity has been seted up to the middle end of diaphragm, the inside centre in the cavity is connected in the horizontal rotation of lead screw, the riser welds in the bottom both ends of diaphragm, and the riser welds in the top of left branch board and right branch board, the slider passes through threaded connection in the outside of lead screw, the top and the bottom welding of slider have spacing slide, the fixed electric putter device that is equipped with in bottom of spacing slide, electric putter device's bottom is connected with the push rod, the clamp plate welds in the bottom of push rod, the clamp plate is arc platy structure, driven gear axle welds in the left end of lead screw, the bottom welding of motor has the support frame, the inboard end of motor is connected with the initiative gear axle, cup joint the belt link between initiative gear axle and the driven gear axle, automatic textile when the textile is flattened winding of sliding adjustment, the bulge that produces when preventing the textile winding.

(III) beneficial effects

This automatic hank limit coiling mechanism of textile production, automatic control winding roller of being convenient for is stable rotates the rolling fabrics, make things convenient for the dismouting winding roller to be used for retrieving the fabrics after the coiling, manual operation convenient to use, be convenient for compress tightly the hank limit with fabrics edge before the coiling, through the pre-leveling ironing mechanism of left extension board and right extension board front end installation, can flatten in advance to the fabrics and iron, avoid the winding to stick up the limit, through the fixed horizontal flattening mechanism that sets up in left extension board and right extension board top, the fabrics when being convenient for automatic horizontal regulation flattening coiling prevent the bulge that produces when fabrics are coiled, the quality of the hank limit coiling of textile production has been improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of a rear view of one end of the winding roller of the present invention;

FIG. 3 is a schematic view of the slidable mounting structure of the winding roller of the present invention;

FIG. 4 is a schematic view of a locking device according to the present invention;

FIG. 5 is a schematic view of a fabric pressing device according to the present invention;

FIG. 6 is a schematic diagram of a driving mechanism according to the present invention;

FIG. 7 is a schematic view of a fabric pre-flattening ironing mechanism of the present invention;

FIG. 8 is a schematic view of a pad structure according to the present invention;

FIG. 9 is a schematic view of a dust removing device of the present invention;

FIG. 10 is a schematic view of a lateral adjustment mechanism of the present invention;

FIG. 11 is an enlarged schematic view of the structure of the invention at A;

fig. 12 is a schematic view of a lifting and flattening mechanism according to the present invention.

In the drawing, a base 1, a left support plate 11, a right support plate 12, a bearing 121, a driving motor 13, a driving shaft cylinder 131, a first mounting plate 132, a supporting plate 133, a backing plate 134, a second mounting plate 135, a reinforcing plate 136, a limit fixing plate 14, a slide groove 141, a winding roller 2, an extension shaft 21, a locking plate 211, a first locking bolt 2111, a groove 22, a clamping plate 221, a second locking bolt 2211, a movable shaft 2212, a rotating shaft rod 23, a pre-leveling ironing mechanism 3, an upper platen 31, an electro-hydraulic device 311, a lower platen 32, a heating control device 321, a mounting bracket 33, a top plate 331, a dust removing device 34, an air inlet 341, a metal filter screen plate 342, a pp cotton filter screen plate 343, an air outlet 344, an exhaust pipe 345, a transverse leveling mechanism 4, a cross plate 40, a cavity 41, a lead screw 42, a slider 43, a limit slide 44, a vertical plate 45, a driven gear shaft 46, a driving gear shaft 461, a motor 462, a supporting frame 463, a platen 47, an electric push rod device 471, a push rod 472.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 12, the embodiment of the present invention provides a technical solution: the utility model provides an automatic hank limit coiling mechanism of textile production, includes base 1, winding roller 2, pre-flattening ironing mechanism 3 and horizontal flattening mechanism 4, its characterized in that: the left end welding of the top of base 1 has left extension board 11, the welding of the top right-hand member of base 1 has right extension board 12, winding roller 2 locates between left extension board 11 and the right extension board 12, the both ends joint of winding roller 2 has spacing fixed plate 14, the welding has pivot pole 23 in the middle of the both ends of spacing fixed plate 14, the left end of pivot pole 23 runs through left extension board 11 and is connected with driving motor 13, the front end in left extension board 11 and right extension board 12 is installed to the mechanism 3 of leveling ironing in advance, the top of left extension board 11 and right extension board 12 is located to horizontal flattening mechanism 4 is fixed.

Further improved, the bearing 121 is rotatably connected to the rotating shaft lever 23 at the right end, and the bearing 121 is embedded in the upper end of the right support plate 12 to stably support the whole rotation of the auxiliary rotating winding roller 2.

Further improved, the inner side end of the driving motor 13 is provided with a driving shaft barrel 131, the inner side end of the driving shaft barrel 131 is welded with a first mounting plate 132, one circle of the first mounting plate 132 is connected to the left upper end of the left support plate 11 through bolts, the left end of the rotating shaft rod 23 is distributed with tooth buckles, the inside of the driving motor 13 penetrates through the driving shaft barrel 131 to be connected with a driving shaft, a tooth slot is formed in the driving shaft, the driving shaft is stably meshed and rotated, the bottom of the driving motor 13 is fixedly provided with a base plate 134, the bottom of the base plate 134 is welded with a supporting plate 133, the inner side end of the supporting plate 133 is welded with a second mounting plate 135, the second mounting plate 135 is connected to the left lower end of the left support plate 11 through bolts, a reinforcing plate 136 is welded between the bottom of the supporting plate 133 and the second mounting plate 135, the driving motor 13 is stably supported, and the winding roller 2 can be automatically controlled to rotate to wind textiles.

Further improved, the two ends of the winding roller 2 are welded with the extension shaft 21, the inner side end of the limiting fixing plate 14 is provided with the sliding groove 141, the upper end of the extension shaft 21 is welded with the locking plate 211, the upper end of the locking plate 211 is connected with the first 2111 locking bolt through threads in a penetrating manner, the inner side end of the sliding groove 141 is provided with a screw hole, sliding insertion is facilitated, the locking plate 211 penetrates through the first 2111 locking bolt to be locked in the screw hole in the sliding groove 141, disassembly is convenient, and the locking roller is stable and fastened after installation.

Further improved, the outer surface of the winding roller 2 is provided with a groove 22, the side end of the groove 22 is embedded with a movable shaft 2212, the outer end of the movable shaft 2212 is fixedly provided with a clamping plate 221, and the front end of the clamping plate 221 is in penetrating connection with a second locking bolt 2211, so that the clamping plate 221 can be opened and closed manually to clamp the edge of the woven fabric conveniently.

Further improved, the pre-leveling ironing mechanism 3 comprises an upper pressing plate 31, a lower pressing plate 32, a mounting frame 33 and a dust removing device 34, wherein the mounting frame 33 is welded at two ends of the lower pressing plate 32, the mounting frame 33 is of a right-angle plate structure, the mounting frame 33 is connected to the front ends of the left support plate 11 and the right support plate 12 through bolts, a top plate 331 is welded at the top of the mounting frame 33, an electric hydraulic device 311 is installed at the top of the top plate 331, the bottom of the electric hydraulic device 311 penetrates through a hydraulic column to be connected to two ends of the top of the upper pressing plate 31, the dust removing device 34 is arranged at two ends of the upper pressing plate 31, air inlets 341 are formed in the bottoms of the two ends of the upper pressing plate 31, and the automatic clamping textile fabric conveying can be realized, and edge warping of the textile fabric is avoided.

Further improved, the heating wires are distributed in the lower pressing plate 32, the heating control device 321 is installed on the right side of the lower pressing plate 32, and the bottoms of the upper pressing plate 31 and the tops of the lower pressing plate 32 are of round corner structures, so that the heating ironing textile fabrics can be controlled directly.

Further improved, the inside of the dust removing device 34 is provided with a metal filter screen plate 342 and a pp cotton filter screen plate 343 sequentially from bottom to top, the upper end of the dust removing device 34 is provided with an air outlet 344, the top of the air outlet 344 is connected with an exhaust pipe 345, so that the air suction, purification and dust removal after starting are facilitated, and the quality of the wound textile cloth is improved.

Specifically, the transverse flattening mechanism 4 includes a transverse plate 40, a screw rod 42, a sliding block 43, a vertical plate 45, a driven gear shaft 46, a driving gear shaft 461, a motor 462 and a pressing plate 47, the middle end of the transverse plate 40 is provided with a cavity 41, the screw rod 42 is transversely connected in the middle of the interior of the cavity 41 in a rotating manner, the vertical plate 45 is welded at two ends of the bottom of the transverse plate 40, the vertical plate 45 is welded at the tops of the left support plate 11 and the right support plate 12, the sliding block 43 is connected with the outside of the screw rod 42 through threads, the top and the bottom of the sliding block 43 are welded with a limit sliding plate 44, an electric push rod device 471 is fixedly arranged at the bottom of the limit sliding plate 44, the bottom of the electric push rod device 471 is connected with a push rod 472, the pressing plate 47 is welded at the bottom of the push rod 472, the pressing plate 47 is of an arc-shaped plate structure, the driven gear shaft 46 is welded at the left end of the screw rod 42, the bottom of the motor 462 is welded with a support frame 463, the inner side end of the motor 462 is connected with the driving gear shaft 461, a belt chain is sleeved between the driving gear 461 and the driven gear shaft 46, and the textile is automatically transversely slid to adjust the textile during flattening winding, and the textile is prevented from swelling caused during textile winding.

Working principle: firstly, a textile fabric passes through a space between an upper pressing plate 31 and a lower pressing plate 32, a clamping plate 221 is manually turned over by a movable shaft 2212, the edge of the textile fabric is placed at a groove 22, and the textile fabric is tightly pressed by a second locking bolt 2211 and then is locked by penetrating through the clamping plate 221;

starting the driving motor 13, automatically controlling the rotation of the rotating shaft rod 23 to rotate, so that the limiting fixed plate 14, the extending shaft 21 and the winding roller 2 rotate to wind the woven cloth;

starting an electro-hydraulic device 311, automatically controlling an upper pressing plate 31 to press textile fabric on a lower pressing plate 32, starting a heating control device 321 to control an electric heating wire inside the lower pressing plate 32 to heat and iron the textile fabric, so that winding is smoother, edge curling is avoided, simultaneously starting a dust removing device 34 to enter air through an air inlet 341, filtering and purifying the textile fabric through a metal filter screen plate 342 and a pp cotton filter screen plate 343, exhausting air from an air outlet 344 and an exhaust pipe 345, and improving the quality of the wound textile fabric;

when the textile winding machine is used for winding, the motor 462 is started, the driving gear shaft 461 is automatically controlled to rotate, the driven gear shaft 46 and the lead screw 42 are driven to rotate through the belt, the sliding block 43 and the limiting sliding plate 44 are transversely and slidably adjusted in the cavity 41, meanwhile, the electric push rod device 471 is started to automatically control the push rod 472 and the pressing plate 47 to be adjusted in a lifting mode, and accordingly the textile winding machine is transversely and stably pressed on a textile fabric, bulges generated when textiles are wound are prevented, and the winding quality of the selvedge of textile production is improved.

The invention relates to a base 1, a left support plate 11, a right support plate 12, a bearing 121, a driving motor 13, a driving shaft barrel 131, a first mounting plate 132, a supporting plate 133, a backing plate 134, a second mounting plate 135, a reinforcing plate 136, a limit fixing plate 14, a sliding chute 141, a winding roller 2, an extension shaft 21, a locking plate 211, a first locking bolt 2111, a groove 22, a clamping plate 221, a second locking bolt 2211, a movable shaft 2212, a rotating shaft rod 23, a pre-leveling ironing mechanism 3, an upper pressing plate 31, an electro-hydraulic device 311, a lower pressing plate 32, a heating control device 321, a mounting bracket 33, a top plate 331, a dust removing device 34, an air inlet 341, a metal filter screen plate 342, a pp cotton filter screen plate 343, an air outlet 344, an exhaust pipe 345, a transverse flattening mechanism 4, a transverse plate 40, a cavity 41, a lead screw 42, a sliding block 43, a limit sliding plate 44, a vertical plate 45, a driven gear shaft 46, a driving gear shaft 461, a motor 462, a supporting frame 463, a pressing plate 47, an electric push rod device 471, the components are universal standard components or components known by the skilled person, the structure and principle of the components are known by the skilled person through technical manuals or known by conventional experimental methods, the problem solved by the invention is that the problem of uneven winding is always encountered in the winding process, the situation of wrinkles is generated, the textile cloth with larger weight cannot be stored, the wound textile cloth is inconvenient to assemble, disassemble and recycle, the edge curling is easy to wind, the quality of the winding of the textile production edge curling is low, the invention facilitates the automatic control of the stable rotation of the winding roller to wind the textile, the assembly and disassembly of the winding roller is convenient for recovering the wound textile, the manual operation is convenient to use, the edge of the textile is convenient to compress and twist the edge before winding, the textile can be flattened in advance, the edge curling is avoided, the automatic transverse adjustment of the textile during flat winding is facilitated, the bulge generated during textile winding is prevented, and the winding quality of the selvedge during textile production is improved.

While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides an automatic hank limit coiling mechanism of textile production, includes base (1), winding roller (2), pre-flattening ironing mechanism (3) and horizontal flattening mechanism (4), its characterized in that: the utility model discloses a left support plate (11) is welded to the top left end of base (1), the top right-hand member welding of base (1) has right extension board (12), between left extension board (11) and right extension board (12) are located to coiling roller (2), the both ends joint of coiling roller (2) has spacing fixed plate (14), the welding has pivot pole (23) in the middle of the both ends of spacing fixed plate (14), the left end of pivot pole (23) runs through left extension board (11) and is connected with driving motor (13), front end in left extension board (11) and right extension board (12) is installed in leveling ironing mechanism (3) in advance, the top of left extension board (11) and right extension board (12) is located in the fixed of horizontal flattening mechanism (4).

2. An automatic selvedge winding device for textile production according to claim 1, wherein: the rotating shaft rod (23) at the right end is rotatably connected with a bearing (121), and the bearing (121) is embedded at the upper end of the right support plate (12).

3. An automatic selvedge winding device for textile production according to claim 1, wherein: the inside end of driving motor (13) is equipped with drive shaft section of thick bamboo (131), the inboard end welding of drive shaft section of thick bamboo (131) has mounting panel one (132), the one week of mounting panel one (132) is through bolted connection in the left side upper end of left extension board (11), the left end distribution of pivot pole (23) has the tooth to detain, the inside of driving motor (13) runs through drive shaft section of thick bamboo (131) and is connected with the drive shaft, and the tooth's socket has been seted up to the inside of drive shaft, the fixed backing plate (134) that is equipped with in bottom of driving motor (13), the bottom welding of backing plate (134) has backup pad (133), the inboard end welding of backup pad (133) has mounting panel two (135), mounting panel two (135) are through bolted connection in the left side lower extreme of left extension board (11), welding distribution has reinforcing plate (136) between the bottom of backup pad (133) and mounting panel two (135).

4. An automatic selvedge winding device for textile production according to claim 1, wherein: the winding roller is characterized in that extension shafts (21) are welded at two ends of the winding roller (2), a sliding groove (141) is formed in one end of the inner side of the limiting fixing plate (14), a locking plate (211) is welded at the upper end of the extension shaft (21), a first locking bolt (2111) is connected at the upper end of the locking plate (211) in a penetrating mode through threads, and a screw hole is formed in the inner side end of the sliding groove (141).

5. An automatic selvedge winding device for textile production according to claim 1, wherein: the outer surface of the winding roller (2) is provided with a groove (22), the side end of the groove (22) is embedded with a movable shaft (2212), the outer end of the movable shaft (2212) is fixedly provided with a clamping plate (221), and the front end of the clamping plate (221) is in penetrating connection with a second locking bolt (2211).

6. An automatic selvedge winding device for textile production according to claim 1, wherein: the utility model provides a pre-leveling ironing mechanism (3) is including top board (31), holding down plate (32), mounting bracket (33) and dust collector (34), mounting bracket (33) weld in the both ends of holding down plate (32), mounting bracket (33) are right angle board structure, mounting bracket (33) are through bolted connection in the front end of left extension board (11) and right extension board (12), the top welding of mounting bracket (33) has roof (331), electric hydraulic device (311) are installed at the top of roof (331), the top of electric hydraulic device (311) runs through the hydraulic column and is connected in the top both ends of top board (31), dust collector (34) are located the both ends of top board (31), and air intake (341) have been seted up to the both ends bottom of top board (31).

7. The automatic selvedge winding device for textile production according to claim 6, wherein: heating wires are distributed in the lower pressing plate (32), a heating control device (321) is arranged on the right side of the lower pressing plate (32), and the bottoms of the upper pressing plate (31) and the tops of the lower pressing plate (32) are of round corner structures.

8. The automatic selvedge winding device for textile production according to claim 6, wherein: the inside of dust collector (34) is installed in proper order from bottom to top and is distributed with metal filter screen plate (342) and pp cotton filter screen plate (343), the upper end of dust collector (34) is equipped with air outlet (344), the top of air outlet (344) is connected with exhaust pipe (345).

9. An automatic selvedge winding device for textile production according to claim 1, wherein: the transverse flattening mechanism (4) comprises a transverse plate (40), a lead screw (42), a sliding block (43), a vertical plate (45), a driven gear shaft (46), a driving gear shaft (461), a motor (462) and a pressing plate (47), wherein a cavity (41) is formed in the middle of the transverse plate (40), the lead screw (42) is transversely connected in the middle of the inside of the cavity (41) in a rotating mode, the vertical plate (45) is welded at the two ends of the bottom of the transverse plate (40), the vertical plate (45) is welded at the tops of a left support plate (11) and a right support plate (12), the sliding block (43) is connected with the outside of the lead screw (42) through threads, a limit sliding plate (44) is welded at the top and the bottom of the sliding block (43), an electric push rod device (471) is fixedly arranged at the bottom of the limit sliding plate (44), a push rod (472) is connected with the bottom of the electric push rod device (471), the pressing plate (47) is welded at the bottom of the push rod (462), the gear shaft (47) is of an arc-shaped structure, the driven gear shaft (46) is welded at the left end of the motor (42), the bottom of the motor (463) is welded at the inner side (463), a belt chain is sleeved between the driving gear shaft (461) and the driven gear shaft (46).