CN110884946B

CN110884946B - Yarn winding device

Info

Publication number: CN110884946B
Application number: CN201911197025.4A
Authority: CN
Inventors: 张毅
Original assignee: Anhui Hanlian Colour Spin Co ltd
Current assignee: Anhui Hanlian Colour Spin Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2021-04-30
Anticipated expiration: 2039-11-29
Also published as: CN110884946A

Abstract

The invention relates to the field of textile equipment, in particular to a yarn winding device, which comprises a support frame, a driving structure, a carrying structure, a belt pulley, a winding structure and a guide structure, wherein the support frame is arranged on the support frame; the winding structure is rotatably connected with the support frame, the support frame is L-shaped, the support frame is convenient and rapid to mount, the winding structure is arranged, the end part of the yarn is convenient and rapid to fix, the diameter of the winding structure is convenient to change, the yarn can be conveniently and rapidly dismounted after being wound, and the winding efficiency and the quality of the yarn are greatly improved; the guide structure is arranged on the side wall of the winding structure, so that when the yarn is disassembled, the sliding connection is converted into rolling connection, the friction force between the yarn and the winding structure is reduced, and the disassembling quality is greatly improved; sliding connection between transport structure and the support frame, it is parallel between transport structure and the roll-up structure, and then be convenient for hold up the yarn when dismantling the yarn, make the yarn atress more even, effectually prevent that the yarn is loose.

Description

Yarn winding device

Technical Field

The invention relates to the field of textile equipment, in particular to a yarn winding device.

Background

With the production of non-woven textile materials and three-dimensional composite weaving and other technologies, the existing textiles are not only the traditional hand-made spinning and weaving, but also the textiles for clothing, industry and decoration produced by non-woven fabric technology, modern three-dimensional weaving technology, modern electrostatic nano-net forming technology and the like. Therefore, modern spinning refers to a multi-scale structure processing technology of fiber or fiber aggregate, and after the yarn is spun and formed, the yarn needs to be wound by a winding device, and then the yarn needs to be detached from a winding roller to carry and stack the yarn.

However, traditional roll-up roller is mostly the cylinder structure, and after the fixed winding of yarn, the diameter of forming roll is not convenient for adjust, needs very big strength to dismantle the yarn from the roll-up roller, and it is poor to dismantle the flexibility, has frictional force between dismantlement in-process roll-up roller and the yarn, when the winding is inseparabler between yarn and the roll-up roller, causes the yarn loose after the dismantlement easily, and when the weight of yarn is great, carries convenient and fast inadequately.

Disclosure of Invention

The invention provides a yarn winding device aiming at the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a yarn winding device comprises a support frame, a driving structure, a carrying structure, a belt pulley, a winding structure and a guide structure; the driving structure for driving the carrying structure and the supporting frame to slide is arranged on the supporting frame, the driving structure is connected to the supporting frame, and the carrying structure for supporting yarns is arranged perpendicular to the supporting frame; the support frame is provided with a winding structure for winding yarn, and the winding structure is rotatably connected with the support frame; the end part of the furling structure is fixed with the belt pulley; the winding structure is provided with a plurality of groups of guide structures for guiding yarns in a circumferential array mode, and the guide structures are rotatably connected with the winding structure.

Specifically, the winding structure comprises a sliding block, a support column, a screw rod, a limiting pad, an air cushion, a transmission shaft, a baffle, a driving block and a transmission block, wherein the support column is rotatably connected with the support frame of the L-shaped structure, the belt pulley is arranged at one end of the support column close to the support frame, the cross section of one end of the support column, which is far away from the support frame, perpendicular to the axial direction is regular hexagon, the transmission shaft, which is perpendicular to the axial direction, is slidably connected inside the support column, the screw rod is in penetrating connection with the support column and the transmission shaft, the screw rod is rotatably connected with the support column, the screw rod is in threaded connection with the transmission shaft, a plurality of groups of transmission blocks are arranged on the transmission shaft, two transmission blocks are arranged on each group, the cross section of each transmission block is trapezoidal, and the driving block, the cross section of which is, the drive block is fixed in the slider, the slider with sliding connection between the support column, the both ends of slider about the drive block symmetry is equipped with two the baffle, has and holds the cavity the one end of air cushion is fixed in the baffle, the other one end of air cushion contradict in the support column, the slider deviates from the one end symmetry of baffle is equipped with two spacing pad, just the air cushion with switch on between the spacing pad.

Specifically, guide structure includes leading wheel and pivot, the both ends symmetry of leading wheel is equipped with two cross-sections and is the T shape the pivot, the leading wheel passes through the pivot with rotate between the slider and be connected, just the diameter of leading wheel reduces from both ends to centre gradually.

Specifically, the carrying structure comprises a carrying frame, a sliding frame and guide rods, the sliding frame is connected with the supporting frame in a sliding mode, the sliding frame is vertically provided with the two guide rods, the two guide rods are parallel to the sliding block, the carrying frame is connected with the guide rods in a sliding mode, and the top end of the carrying frame is provided with an accommodating cavity of a semi-cylinder structure.

Specifically, the driving structure comprises a rocker, driving wheels, a belt and a transmission rod, the rocker is rotatably connected with the support frame, the transmission rod penetrates through the support frame and extends into the sliding frame, the transmission rod is rotatably connected with the support frame, the transmission rod is in threaded connection with the sliding frame, the driving wheels are arranged at the ends of the transmission rod and the rocker, the belt is wound on the two driving wheels, and the diameters of the driving wheels on the transmission rod are larger than those of the driving wheels on the rocker.

The invention has the beneficial effects that:

(1) according to the yarn winding device, the winding structure is rotatably connected with the support frame, the support frame is L-shaped, so that the support frame can be conveniently and quickly installed, the winding structure is arranged, the end part of yarn can be conveniently and quickly fixed, the diameter of the winding structure can be conveniently changed, the yarn can be conveniently and quickly disassembled after being wound, and the winding efficiency and the quality of the yarn are greatly improved, namely: one end of the yarn is arranged between the limiting pads between the two adjacent sliding blocks, then the screw rod is rotated, the screw rod is rotated with the supporting column, the screw rod thread drives the transmission shaft to slide towards the end departing from the belt pulley, a transmission block is abutted against the driving block, the section of the transmission block is trapezoidal, the section of the driving block is parallelogram, the stress direction of the driving block is further changed, the transmission block is abutted against the driving block to drive the sliding block to slide away from the axis direction of the supporting column, the baffle is abutted against the air cushion, the air cushion is extruded and deformed, the accommodating cavity inside the air cushion is reduced, the gas inside the air cushion enters the limiting pads, the two limiting pads are deformed, the end part of the yarn is abutted and fixed between the two adjacent limiting pads, simultaneously, a plurality of sliding blocks are matched with the limiting pads to form a cylindrical structure, and the yarn is further conveniently and rapidly fixed, the drive support column rotates, through slider roll-up yarn, after the roll-up is accomplished, ligature is carried out to the yarn, then it makes lead screw thread drive transmission shaft slide toward the one end that is close to the belt pulley to rotate the lead screw, make the conflict driving block of another one, the cross-section of driving block is trapezoidal, the cross-section of driving block is parallelogram, and then change the atress direction of driving block, and then make the conflict driving block drive block of driving block slide near the axle center direction slip of support column, the air cushion is conflict-free support column, the air cushion resets, make the inside cavity grow that holds of air cushion, make the gas of the inside of spacing pad get into the air cushion, make two spacing pads conflict-free, make yarn and spacing pad break away from, the cylinder space that makes the slider enclose diminishes simultaneously, and.

(2) According to the yarn winding device, the guide structure is arranged on the side wall of the winding structure, so that when the yarn is dismounted, the sliding connection is converted into the rolling connection, the friction force between the yarn and the winding structure is reduced, and the dismounting quality is greatly improved, namely: when the yarn is rolled up, yarn pulling leading wheel, make pivot and the unable rotation of slider block on the leading wheel, the cross-section of pivot is the T shape, and then make the regulation more convenient, when dismantling, there is the space between yarn and the slider, make pivot and slider not block, when the roll-off yarn, yarn and leading wheel contact, make the leading wheel rotate, and then convert the sliding friction power between yarn and the slider into rolling friction power, and then make the dismantlement effect of yarn better, it is loose to have avoided the yarn to dismantle the in-process.

(3) According to the yarn winding device, the carrying structure is connected with the support frame in a sliding mode, the carrying structure is parallel to the winding structure, so that yarns can be conveniently supported when being detached, the yarns are stressed more uniformly, the yarns are effectively prevented from loosening, the carrying efficiency of the yarns is greatly improved, the operation is more convenient and faster, and meanwhile, the driving carrying structure is more convenient and faster and is more stable when being matched with the driving structure, namely: when the yarns are disassembled, the rocker is rotated, the transmission wheel at the end part of the rocker drives the transmission wheel on the transmission rod to rotate through the belt, the transmission rod rotates, the transmission rod drives the sliding frame to slide on the supporting frame in a threaded mode, the diameter of the transmission wheel on the transmission rod is larger than that of the transmission wheel on the rocker, and therefore operation is more labor-saving; the balladeur train slides with the support frame, and the balladeur train drives the yarn of carrying the frame conflict, holds up the yarn, and then makes the yarn atress more even, has avoided simultaneously to pick up the yarn and has caused the yarn loose, is convenient for carry the yarn that weight is heavier simultaneously, sliding connection between carrying the frame and the guide bar, and then the position of adjustable carrying the frame, the use of cooperation roll-up structure, and then the dismantlement convenient and fast more that makes yarn and roll-up structure.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of a yarn winding device provided by the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of the portion B shown in FIG. 1;

FIG. 4 is a schematic view of a connection structure between the support frame and the retracting structure shown in FIG. 1;

FIG. 5 is an enlarged view of the portion C shown in FIG. 4;

FIG. 6 is a schematic view of a connection structure between the guiding structure and the retracting structure shown in FIG. 2;

FIG. 7 is an enlarged view of the portion D shown in FIG. 6;

fig. 8 is a schematic view of a connection structure between the driving structure and the conveying structure shown in fig. 1.

In the figure: 1. the device comprises a support frame, 2, a driving structure, 21, a rocker, 22, a driving wheel, 23, a belt, 24, a driving rod, 3, a conveying structure, 31, a conveying frame, 32, a sliding frame, 33, a guide rod, 4, a belt pulley, 5, a winding structure, 51, a sliding block, 52, a support column, 53, a screw rod, 54, a limiting pad, 55, an air cushion, 56, a driving shaft, 57, a baffle, 58, a driving block, 59, a driving block, 6, a guiding structure, 61, a guide wheel, 62 and a rotating shaft.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-8, the yarn winding device of the present invention comprises a supporting frame 1, a driving structure 2, a carrying structure 3, a belt pulley 4, a winding structure 5 and a guiding structure 6; the driving structure 2 for driving the carrying structure 3 and the support frame 1 to slide is arranged on the support frame 1, the driving structure 2 is connected to the support frame 1, and the carrying structure 3 for supporting yarns is arranged perpendicular to the support frame 1; the support frame 1 is provided with the winding structure 5 for winding yarn, and the winding structure 5 is rotatably connected with the support frame 1; the end part of the furling structure 5 is fixed with the belt pulley 4; the winding structure 5 is provided with a plurality of groups of guide structures 6 for guiding yarns in a circumferential array manner, and the guide structures 6 are rotatably connected with the winding structure 5.

Specifically, the furling structure 5 comprises a sliding block 51, a supporting column 52, a screw rod 53, a limiting pad 54, an air cushion 55, a transmission shaft 56, a baffle 57, a driving block 58 and a transmission block 59, wherein the supporting column 52 is rotatably connected with the supporting frame 1 of the L-shaped structure, one end of the supporting column 52 close to the supporting frame 1 is provided with the belt pulley 4, the cross section of one end of the supporting column 52 departing from the supporting frame 1, which is perpendicular to the axial direction, is a regular hexagon, the transmission shaft 56, which is perpendicular to the axial direction, is slidably connected inside the supporting column 52, the screw rod 53 is penetratingly connected with the supporting column 52 and the transmission shaft 56, the screw rod 53 is rotatably connected with the supporting column 52, the screw rod 53 is in threaded connection with the transmission shaft 56, and a plurality of groups of transmission blocks 59 are arrayed on the transmission shaft, two driving blocks 59 are arranged in each group, the section of each driving block 59 is trapezoidal, a driving block 58 with a parallelogram section is arranged between the two driving blocks 59, the driving block 58 is fixed on the sliding block 51, the sliding block 51 is in sliding connection with the supporting column 52, two baffles 57 are symmetrically arranged at two ends of the sliding block 51 relative to the driving block 58, one end of the air cushion 55 with a containing cavity is fixed on the baffles 57, the other end of the air cushion 55 is abutted against the supporting column 52, two limiting pads 54 are symmetrically arranged at one end of the sliding block 51 departing from the baffles 57, and the air cushion 55 is communicated with the limiting pads 54; roll-up structure 5 with rotate between the support frame 1 and be connected, just support frame 1 is L shape, and then is convenient for quick installation support frame 1, the setting of roll-up structure 5 and then the tip of the quick fixed yarn of being convenient for is convenient for change simultaneously the diameter of roll-up structure 5's self makes the yarn roll-up accomplish the back dismantle convenient and fast more, and then has improved the roll-up efficiency and the quality of yarn greatly, promptly: firstly, one end of yarn is arranged between the limiting pads 54 between two adjacent sliding blocks 51, then the screw rod 53 is rotated, the screw rod 53 and the supporting column 52 are rotated, the screw rod 53 drives the transmission shaft 56 to slide towards one end deviating from the belt pulley 4 in a threaded manner, one transmission block 59 is enabled to abut against the driving block 58, the section of the transmission block 59 is trapezoidal, the section of the driving block 58 is parallelogram, the stress direction of the driving block 58 is further changed, the transmission block 59 abuts against the driving block 58 to drive the sliding block 51 to slide away from the axis direction of the supporting column 52, the baffle 57 abuts against the air cushion 55, the air cushion 55 is extruded and deformed, the accommodating cavity inside the air cushion 55 is reduced, air inside the air cushion 55 enters the limiting pads 54, and the two limiting pads 54 are deformed, the end parts of the yarns are abutted and fixed between two adjacent limiting pads 54, the plurality of sliding blocks 51 are matched with the limiting pads 54 to form a cylindrical structure, so that the yarns can be rapidly fixed, then the driving assembly drives the belt pulley 4 to rotate to drive the supporting columns 52 to rotate, the yarns are wound through the sliding blocks 51, after the winding is completed, the yarns are bound, then the screw rod 53 is rotated to drive the screw rod 53 to drive the transmission shaft 56 to slide towards one end close to the belt pulley 4 in a threaded manner, the other transmission block 59 is abutted against the driving block 58, the cross section of the transmission block 59 is trapezoidal, the cross section of the driving block 58 is parallelogram, the stress direction of the driving block 58 is changed, and the transmission block 59 is abutted against the driving block 58 to drive the sliding blocks 51 to slide close to the axis direction of the supporting columns 52, the air cushion 55 does not abut against the supporting column 52, the air cushion 55 resets to enlarge the accommodating cavity inside the air cushion 55, so that the air inside the limiting pads 54 enters the air cushion 54, the two limiting pads 54 do not abut against each other, the yarn is separated from the limiting pads 54, meanwhile, the cylindrical space enclosed by the sliding blocks 51 is reduced, and the yarn is conveniently drawn out from the winding structure 5.

Specifically, the guide structure 6 comprises a guide wheel 61 and a rotating shaft 62, two rotating shafts 62 with T-shaped cross sections are symmetrically arranged at two ends of the guide wheel 61, the guide wheel 61 is rotatably connected with the slider 51 through the rotating shaft 62, and the diameter of the guide wheel 61 is gradually reduced from two ends to the middle; guide structure 6 is located the lateral wall of roll-up structure 5, and then when making the dismantlement yarn, convert sliding connection into rolling connection, reduce the yarn with frictional force between the roll-up structure 5, and then improved the quality of dismantlement greatly, promptly: when the yarn is rolled up, the yarn pulling leading wheel 61 makes on the leading wheel 61 the pivot 62 with the slider 51 block can' T rotate, the cross-section of pivot 62 is the T shape, and then makes the regulation more convenient, when dismantling, the yarn with there is the space between the slider 51, makes the pivot 62 with slider 51 is not the block, when the roll-off yarn, the yarn with leading wheel 61 contacts, makes leading wheel 61 rotates, and then with the yarn with sliding friction between the slider 51 converts rolling friction into, and then makes the dismantlement effect of yarn better, has avoided the yarn to dismantle the in-process loose.

Specifically, the carrying structure 3 includes a carrying frame 31, a carriage 32 and guide rods 33, the carriage 32 is slidably connected with the support frame 1, two guide rods 33 are vertically arranged on the carriage 32, the two guide rods 33 are parallel to the sliding block 51, the carrying frame 31 is slidably connected with the guide rods 33, and a receiving cavity with a semi-cylindrical structure is arranged at the top end of the carrying frame 31; transport structure 3 with sliding connection between the support frame 1, just transport structure 3 with it is parallel between the roll-up structure 5, and then be convenient for hold up the yarn when dismantling the yarn, make the yarn atress more even, effectually prevent that the yarn is loose, and then improved the handling efficiency of yarn greatly, make operation convenient and fast more, the cooperation simultaneously use of drive structure 2 makes the drive transport structure 3 convenient and fast more, makes the operation more stable simultaneously, promptly: the balladeur train 32 with support frame 1 slides, the balladeur train 32 drives transport frame 31 contradicts the yarn, holds up the yarn, and then makes the yarn atress more even, has avoided simultaneously to pick up the yarn and has caused the yarn loose, is convenient for carry the yarn that weight is heavier simultaneously, transport frame 31 with sliding connection between the guide bar 33, and then adjustable transport frame 31's position cooperates the use of roll-up structure 5, and then make the yarn with the dismantlement of roll-up structure 5 is convenient and fast more.

Specifically, the driving structure 2 comprises a rocker 21, a transmission wheel 22, a belt 23 and a transmission rod 24, the rocker 21 is rotatably connected with the support frame 1, the transmission rod 24 penetrates through the support frame 1 and extends into the inside of the carriage 32, the transmission rod 24 is rotatably connected with the support frame 1, the transmission rod 24 is in threaded connection with the carriage 32, the transmission wheels 22 are arranged at the ends of the transmission rod 24 and the rocker 21, the belt 23 is wound on the two transmission wheels 22, and the diameters of the transmission wheels 22 on the transmission rod 24 are larger than the diameters of the transmission wheels 22 on the rocker 21; when the yarn is disassembled, the rocker 21 is rotated, the transmission wheel 22 at the end part of the rocker 21 drives the transmission wheel 22 on the transmission rod 24 to rotate through the belt 23, the transmission rod 24 rotates, the transmission rod 24 drives the sliding frame 32 to slide on the support frame 1 in a threaded mode, the diameter of the transmission wheel 22 on the transmission rod 24 is larger than that of the transmission wheel 22 on the rocker 21, and therefore operation is more labor-saving.

When the yarn fixing device is used, one end of yarn is firstly arranged between the limiting pads 54 between the two adjacent sliding blocks 51, then the screw rod 53 is rotated, the screw rod 53 and the supporting column 52 are rotated, the screw rod 53 drives the transmission shaft 56 to slide towards one end departing from the belt pulley 4 in a threaded manner, one transmission block 59 is enabled to abut against the driving block 58, the section of the transmission block 59 is trapezoidal, the section of the driving block 58 is parallelogram, the stress direction of the driving block 58 is further changed, the transmission block 59 abuts against the driving block 58 to drive the sliding blocks 51 to slide away from the axis direction of the supporting column 52, the baffle 57 abuts against the air cushion 55, the air cushion 55 is extruded and deformed, the accommodating cavity inside the air cushion 55 is reduced, the air inside the air cushion 55 abuts against the limiting pads 54, the two limiting pads 54 are deformed, the end parts of the yarn are fixed between the two adjacent limiting pads 54, and meanwhile, the sliding blocks 51 are matched with the limiting, then the yarn is fixed rapidly, then the driving component drives the belt pulley 4 to rotate, the supporting column 52 is driven to rotate, the yarn is wound through the sliding block 51, after the winding is finished, the yarn is bound, then the screw rod 53 is rotated to enable the screw rod 53 to drive the transmission shaft 56 to slide towards one end close to the belt pulley 4, the other transmission block 59 is enabled to be abutted against the driving block 58, the cross section of the transmission block 59 is trapezoidal, the cross section of the driving block 58 is parallelogram, further the stress direction of the driving block 58 is changed, further the transmission block 59 is abutted against the driving block 58 to drive the sliding block 51 to slide towards the axis direction of the supporting column 52, the air cushion 55 is not abutted against the supporting column 52, the air cushion 55 is reset, the accommodating cavity inside the air cushion 55 is enlarged, the air inside the limiting cushion 54 enters the air cushion 54, the two limiting cushions 54 are not abutted, the yarn is separated from the limiting cushions 54, and, so as to facilitate the yarn to be drawn out from the winding structure 5; when the yarn is wound, the yarn pulls the guide wheel 61, so that the rotating shaft 62 on the guide wheel 61 is clamped with the sliding block 51 and cannot rotate, the section of the rotating shaft 62 is T-shaped, and the adjustment is more convenient; when the yarn is disassembled, the rocker 21 is rotated, the driving wheel 22 at the end of the rocker 21 drives the driving wheel 22 on the transmission rod 24 to rotate through the belt 23, the transmission rod 24 rotates, the transmission rod 24 further drives the sliding frame 32 to slide on the support frame 1 in a threaded mode, the diameter of the driving wheel 22 on the transmission rod 24 is larger than that of the driving wheel 22 on the rocker 21, operation is more labor-saving, the sliding frame 32 slides with the support frame 1, the sliding frame 32 drives the conveying frame 31 to abut against the yarn, the yarn is supported, stress of the yarn is more uniform, meanwhile, the yarn is prevented from being loosened when the yarn is taken up, meanwhile, the yarn with heavier weight is convenient to convey, sliding connection is formed between the conveying frame 31 and the guide rod 33, the position of the conveying frame 31 can be adjusted, the winding structure 5 is matched for use, and the.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A yarn winding device is characterized in that: comprises a support frame (1), a driving structure (2), a carrying structure (3), a belt pulley (4), a winding structure (5) and a guide structure (6); the driving structure (2) used for driving the carrying structure (3) and the supporting frame (1) to slide is arranged on the supporting frame (1), the driving structure (2) is connected to the supporting frame (1), and the carrying structure (3) used for supporting yarns is perpendicular to the supporting frame (1); the winding structure (5) for winding the yarn is arranged on the support frame (1), and the winding structure (5) is rotatably connected with the support frame (1); the end part of the furling structure (5) is fixed with the belt pulley (4); a plurality of groups of guide structures (6) for guiding yarns are arranged on the winding structure (5) in a circumferential array manner, and the guide structures (6) are rotatably connected with the winding structure (5);

the winding structure (5) comprises a sliding block (51), a supporting column (52), a screw rod (53), a limiting pad (54), an air cushion (55), a transmission shaft (56), a baffle plate (57), a driving block (58) and a transmission block (59), wherein the supporting column (52) and the L-shaped structure are rotatably connected between the supporting frame (1), one end of the supporting column (52) close to the supporting frame (1) is provided with the belt pulley (4), the cross section of one end, deviating from the supporting frame (1), of the supporting column (52) perpendicular to the axial direction is a regular hexagon, the transmission shaft (56) of which the cross section perpendicular to the axial direction is a regular hexagon structure is slidably connected inside the supporting column (52), the screw rod (53) is in through connection with the supporting column (52) and the transmission shaft (56), and the screw rod (53) is rotatably connected with the supporting column (52), the screw rod (53) is in threaded connection with the transmission shaft (56), a plurality of groups of transmission blocks (59) are arrayed on the transmission shaft (56), two transmission blocks (59) are arranged in each group, the cross section of each transmission block (59) is trapezoidal, two driving blocks (58) with parallelogram cross sections are arranged between the two transmission blocks (59), each driving block (58) is fixed on the corresponding sliding block (51), the sliding blocks (51) are in sliding connection with the corresponding supporting columns (52), two baffles (57) are symmetrically arranged at two ends of each sliding block (51) relative to the corresponding driving block (58), one end of the air cushion (55) with an accommodating cavity is fixed on the corresponding baffle (57), the other end of the air cushion (55) is abutted to the corresponding supporting columns (52), and two limiting pads (54) are symmetrically arranged at one end of each sliding block (51) departing from the corresponding baffle (57), the air cushion (55) is communicated with the limit cushion (54);

the guide structure (6) comprises a guide wheel (61) and a rotating shaft (62), two rotating shafts (62) with T-shaped sections are symmetrically arranged at two ends of the guide wheel (61), the guide wheel (61) is rotatably connected with the sliding block (51) through the rotating shaft (62), and the diameter of the guide wheel (61) is gradually reduced from two ends to the middle;

the carrying structure (3) comprises a carrying frame (31), a sliding frame (32) and guide rods (33), the sliding frame (32) is connected with the support frame (1) in a sliding mode, the sliding frame (32) is vertically provided with the two guide rods (33), the two guide rods (33) are parallel to the sliding block (51), the carrying frame (31) is connected with the guide rods (33) in a sliding mode, and the top end of the carrying frame (31) is provided with an accommodating cavity of a semi-cylinder structure;

the driving structure (2) comprises a rocker (21), a driving wheel (22), a belt (23) and a transmission rod (24), the rocker (21) is rotatably connected with the support frame (1), the transmission rod (24) penetrates through the support frame (1) and extends into the sliding frame (32), the transmission rod (24) is rotatably connected with the support frame (1), the transmission rod (24) is in threaded connection with the sliding frame (32), the driving wheel (22) is arranged at the end part of the transmission rod (24) and the end part of the rocker (21), the belt (23) is wound on the two driving wheels (22), and the diameter of the driving wheel (22) on the transmission rod (24) is larger than that of the driving wheel (22) on the rocker (21).