A yarn conditioning device for a spinning apparatus

Abstract

The application discloses a yarn arranging device for a spinning equipment, relates to the technical field of yarn arranging devices, and solves the technical problem of inconvenience in rubbing and ironing, comprising a base, two supporting plates and a mounting frame are fixedly installed on the top of the base, a pay-off roller is rotatably installed between the two supporting plates, and a winding column is rotatably installed on the mounting frame; a rubbing assembly is arranged on the base, the rubbing assembly comprises a rubbing ring, two mounting plates are fixedly installed on the side of the base close to the mounting frame, a shaping plate is slidably installed between the two mounting plates, an ironing plate is rotatably installed on the shaping plate, and two supporting rods are fixedly installed on the side of the shaping plate close to the pay-off roller; the yarn can be rubbed conveniently, the toughness of the yarn is improved, the rubbing and shaping operation is facilitated, the ability of the yarn in rubbing and shaping is improved, and the working efficiency of the device in arranging the yarn is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of yarn finishing equipment, and particularly relates to a yarn finishing device for a spinning equipment. BACKGROUND

[0002] Yarn is a kind of textile product processed from various textile fibers to a certain fineness, which is used for weaving, rope making, thread making, knitting and embroidery, etc. Yarn needs to be finished before use, which requires the use of a yarn finishing device. The finishing device in the prior art cannot eliminate and collect the lint on the yarn, so that the lint splashes, affecting the surrounding environment, and the lint can re-adhere to the yarn during the splashing process, greatly affecting the finishing of the yarn and reducing the work efficiency. For example, the Chinese patent with the patent number CN113862863A solves the problem of the re-adhesion of the lint to the yarn, which greatly affects the finishing of the yarn and reduces the work efficiency.

[0003] However, the above device uses a scraping method to scrape the lint fibers on the yarn, which is easy to lose the yarn and affect the toughness of the yarn, is not convenient for kneading and setting, affects the ability of the yarn to be kneaded and set, and affects the work efficiency of the device in finishing the yarn. Therefore, according to the technical defects, we propose a yarn finishing device for a spinning equipment which can solve the above problems. SUMMARY

[0004] The present application aims to provide a yarn finishing device for a spinning equipment, which solves the following technical problems:

[0005] The yarn finishing device for a spinning equipment uses a scraping method to scrape the lint fibers on the yarn, which is easy to lose the yarn and affect the toughness of the yarn, is not convenient for kneading and setting, affects the ability of the yarn to be kneaded and set, and affects the work efficiency of the device in finishing the yarn.

[0006] The purpose of the present application can be achieved by the following technical solutions:

[0007] A yarn finishing device for a spinning equipment, comprising a base, two support plates and a mounting frame are fixedly installed on the top of the base, a yarn feeding roller is rotatably installed between the two support plates, and a winding column is rotatably installed on the mounting frame.

[0008] A lint rubbing assembly is arranged on the base, the lint rubbing assembly comprises a lint rubbing ring, two mounting plates are fixedly installed on the side of the base close to the mounting frame, a setting plate is slidably installed between the two mounting plates, an ironing plate is rotatably installed on the setting plate, two support rods are fixedly installed on the side of the setting plate close to the yarn feeding roller, the lint rubbing ring is sleeved on the two support rods, an installation block is fixedly installed on the side of the setting plate away from the base, and a conveyor belt is rotatably installed on the side of the installation block close to the lint rubbing ring.

[0009] As a further scheme of the present application: a connecting plate is fixedly installed between the two mounting plates, an ellipse is rotatably installed on the side of the connecting plate close to the mounting rack, and a second motor is fixedly installed on the side of the connecting plate away from the ellipse.

[0010] As a further scheme of the present application: a shaping groove is formed in the shaping plate, a heating plate is fixedly installed on the inner bottom wall of the shaping groove, the ironing plate is rotatably installed on the inner wall of one side of the shaping groove, and a rotating plate is rotatably installed on the end of the supporting rod away from the shaping plate.

[0011] As a further scheme of the present application: a first rectangular through hole is formed in each of the two mounting plates, a first sliding block is slidably installed in the first rectangular through hole, a stabilizing rod is slidably installed on the first sliding block, and the first sliding block is fixedly installed on the shaping plate at the end close to the ironing plate.

[0012] As a further scheme of the present application: a broken line winding assembly is arranged on the base, the broken line winding assembly comprises a winding ring, a plurality of fixed plates are fixedly installed on the side of the base close to the supporting plate, the winding ring is arranged on the fixed plate, a clamping roller is rotatably installed on the fixed plate, and a third motor is fixedly installed on the side of the base away from the winding ring.

[0013] As a further scheme of the present application: a second rectangular through hole is formed in the end of the fixed plate away from the base, a second sliding block is slidably installed in the second rectangular through hole, a spring is fixedly installed on the side of the second sliding block away from the base, a balancing rod is slidably installed on the second sliding block, and the clamping roller is rotatably installed on the side of the second sliding block close to the winding ring.

[0014] As a further scheme of the present application: a rotating column is rotatably installed on the side of the fixed plate close to the winding ring, the winding ring is clamped and sleeved on the outer surface of the rotating column, and a limiting plate is rotatably installed on the end of the rotating column away from the fixed plate.

[0015] As a further scheme of the present application: a sticky hair assembly is arranged on the supporting plate, the sticky hair assembly comprises a sticky hair ring, two rotating shafts are arranged on the corresponding sides of the two supporting plates, two sticky hair rings are rotatably installed on the rotating shafts, a line distribution plate is fixedly installed between the two supporting plates, and the line distribution plate is installed between the pay-off roller and the rotating shaft.

[0016] As a further scheme of the present application: a first sliding groove and a second sliding groove are respectively formed in the sides of the two supporting plates close to the rotating shafts, a limiting block is slidably installed in each of the first sliding groove and the second sliding groove, and the two ends of the rotating shaft are rotatably installed in the limiting blocks.

[0017] The present application has the following advantages:

[0018] (1) The rubbing assembly is matched with the ironing plate through the rubbing ring, which is convenient for rubbing the lint on the yarn, avoids damage to the yarn caused by scraping as much as possible, is conducive to improving the toughness of the yarn, facilitates rubbing and shaping operation, is conducive to reducing the scattering of lint, is convenient for rubbing and winding the lint around the yarn, is conducive to improving the ability of yarn rubbing and shaping, and is conducive to improving the working efficiency of the device for arranging the yarn;

[0019] (2) The broken line winding assembly is convenient for winding the broken line through the winding ring, avoids the influence of the scattered broken line on the arrangement of other yarns as much as possible, avoids affecting the whole machine to stop working and wait for the staff to perform maintenance operation, is conducive to improving the ability of the device to wind the broken line in time, and is conducive to improving the working efficiency of the device;

[0020] (3) The lint sticking assembly is convenient for the lint sticking ring to perform overall lint sticking operation on the yarn, is convenient for dividing and sticking the lint, is conducive to improving the collection capacity of the device, and is conducive to improving the working efficiency of the device. BRIEF DESCRIPTION OF DRAWINGS

[0021] The application will be further described below with reference to the drawings.

[0022] Figure 1 is the overall structure schematic diagram of the yarn arrangement device for the spinning equipment of the application;

[0023] Figure 2 is the side view structure schematic diagram of the yarn arrangement device for the spinning equipment of the application;

[0024] Figure 3 is Figure 2 the enlarged structure schematic diagram of A in the figure;

[0025] Figure 4 is Figure 2 the enlarged structure schematic diagram of B in the figure;

[0026] Figure 5 is the top view structure schematic diagram of the yarn arrangement device for the spinning equipment of the application;

[0027] Figure 6 is Figure 5 the enlarged structure schematic diagram of C in the figure;

[0028] Figure 7 is Figure 5 the enlarged structure schematic diagram of D in the figure;

[0029] Figure 8 is Figure 5 the enlarged structure schematic diagram of E in the figure.

[0030] In the figure: 1, base; 2, support plate; 3, pay-off roller; 4, mounting bracket; 5, winding column; 6, carding assembly; 61, mounting plate; 62, oval; 63, setting plate; 64, ironing plate; 65, heating plate; 66, carding ring; 67, mounting block; 68, conveyor belt; 69, support rod; 610, rotating plate; 611, second motor; 612, connecting plate; 613, first rectangular through hole; 614, stabilizing rod; 615, first sliding block; 7, broken line winding assembly; 71, fixed plate; 72, rotating column; 73, winding ring; 74, limiting plate; 75, clamping roller; 76, second rectangular through hole; 77, balance bar; 78, spring; 79, second sliding block; 710, third motor; 8, sticking assembly; 81, line distribution plate; 82, rotating shaft; 83, sticking ring; 84, limiting block; 85, first sliding groove; 86, second sliding groove; 9, first motor. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0032] Embodiment one

[0033] Please refer to Figure 1 - Figure 8 As shown in the figure, the present application is a yarn finishing device for a spinning equipment, which comprises a base 1, the top of the base 1 is fixedly installed with two support plates 2 and a mounting bracket 4, a pay-off roller 3 is rotatably installed between the two support plates 2, a winding column 5 is rotatably installed on the mounting bracket 4, a first motor 9 is fixedly installed on the side of the mounting bracket 4 close to the base 1, the output end of the first motor 9 is slidably penetrated through the mounting bracket 4 and is fixedly installed on the mounting bracket 4;

[0034] The base 1 is provided with a rubbing assembly 6, the rubbing assembly 6 comprises a rubbing ring 66, two mounting plates 61 are fixedly installed on the side of the base 1 close to the mounting frame 4, a shaping plate 63 is slidably installed between the two mounting plates 61, an ironing plate 64 is rotatably installed on the shaping plate 63, the ironing plate 64 plays a role of ironing and shaping the yarn, two supporting rods 69 are fixedly installed on the side of the shaping plate 63 close to the yarn feeding roller 3, the rubbing ring 66 is sleeved on the two supporting rods 69, the rubbing ring 66 rotates on the supporting rods 69, the yarn penetrates in the rubbing ring 66, so that the rubbing ring 66 can limit and rub the fluff branched on the yarn, and then the ironing and shaping operation is performed on the ironing plate 64, mounting blocks 67 are fixedly installed on the side of the shaping plate 63 away from the base 1, one of the mounting blocks 67 is fixedly installed with a driving motor, the output end of the driving motor is slidably penetrated through the mounting block 67 and fixedly installed on the driving shaft of a conveying belt 68, the conveying belt 68 is rotatably installed on the side of the mounting block 67 close to the rubbing ring 66, the conveying belt 68 is installed on the rubbing ring 66 and frictionally moves on the rubbing ring 66, so as to drive the rubbing ring 66 to rotate on the supporting rods 69, so that the fluff around the yarn can be rubbed and wound on the yarn, the uneven condition of the fluff is avoided as much as possible, the yarn rubbing and shaping capacity is improved, and the working efficiency of the device for arranging the yarn is improved.

[0035] A connecting plate 612 is fixedly installed between the two mounting plates 61, the oval 62 is rotatably installed on the side of the connecting plate 612 close to the mounting frame 4, the second motor 611 is fixedly installed on the side of the connecting plate 612 away from the oval 62, the output end of the second motor 611 is slidably penetrated through the connecting plate 612 and fixedly installed on the oval 62, so that the side surface of the oval 62 is slidably attached to the bottom surface of the shaping plate 63, the oval 62 is installed between the shaping plate 63 and the base 1, and the mounting plate 61 is installed between the supporting plate 2 and the mounting frame 4, so that the yarn can be rubbed and shaped before being arranged and packed, and the toughness of the yarn is improved.

[0036] A shaping groove is formed in the shaping plate 63, and a heating plate 65 is fixedly installed on the inner bottom wall of the shaping groove, so as to iron and shape the yarn, the ironing plate 64 is rotatably installed on the inner wall of one side of the shaping groove, the heating plate 65 and the ironing plate 64 are connected with an external power supply, and a rotating plate 610 is rotatably installed on the end of the supporting rod 69 away from the shaping plate 63, so as to limit and stabilize the rubbing ring 66.

[0037] Two installation plates 61 are provided with first rectangular through holes 613, which increase the up-down movement range of the shaping plate 63. First sliding blocks 615 are slidingly and penetratively installed in the first rectangular through holes 613. Stable rods 614 are slidingly and penetratively installed on the first sliding blocks 615. The two ends of the stable rods 614 are fixedly installed on the inner walls of the first rectangular through holes 613, which can limit and stabilize the first sliding blocks 615. One end of the first sliding blocks 615 close to the ironing plate 64 is fixedly installed on the shaping plate 63, which can limit the shaping plate 63. The second motor 611 can drive the shaping plate 63 to move up and down through the ellipse 62, which can uniformly wind the rubbed and ironed yarn on the winding column 5.

[0038] When the device is used, first, one end of the yarn is penetrated through the wool rubbing ring 66 and installed in the shaping groove, and the yarn is placed on the heating plate 65. Then, the ironing plate 64 is covered on the yarn. Then, the heating plate 65 and the ironing plate 64 are powered and heated. Then, one end of the yarn is fixed on the winding column 5. Then, the conveyor belt 68 is started, the conveyor belt 68 drives the wool rubbing ring 66 to rotate on the supporting rod 69, and the inner wall of the wool rubbing ring 66 rubs the yarn. Then, the first motor 9 is started, the output end of the first motor 9 drives the winding column 5 to rotate, which is convenient for winding the yarn. At the same time, the second motor 611 is started, the output end of the second motor 611 drives the ellipse 62 to rotate on the connecting plate 612, and the ellipse 62 slides on the shaping plate 63, which drives the shaping plate 63 to move up and down on the installation plate 61. At the same time, the shaping plate 63 drives the first sliding block 615 to slide on the first rectangular through hole 613, and the first sliding block 615 reciprocates on the stable rod 614, which drives the shaping plate 63 to uniformly wind the yarn on the winding column 5. It is convenient to operate and use, rub the fluff on the yarn, and avoid damage to the yarn as much as possible. It is beneficial to improve the toughness of the yarn, convenient to rub and shape, beneficial to reduce the scattering of fluff, convenient to rub the fluff around the yarn and wind it on the yarn, and avoid uneven fluff fibers as much as possible. It is beneficial to improve the ability of yarn rubbing and shaping, and beneficial to improve the working efficiency of the device in arranging the yarn.

[0039] Embodiment two

[0040] Please refer to Figure 2 - Figure 6As shown, on the basis of embodiment one, the base 1 is provided with a broken line winding assembly 7, the broken line winding assembly 7 comprises a winding ring 73, a plurality of fixed plates 71 are fixedly installed on one side of the base 1 close to the support plate 2, the winding ring 73 is arranged on the fixed plate 71, a clamping roller 75 is rotatably installed on the fixed plate 71, the clamping roller 75 plays a role in clamping the yarn on the winding ring 73, the yarn is first wound on the winding ring 73 for one turn, and then fixed on the winding column 5, a third motor 710 is fixedly installed on the side of the base 1 away from the winding ring 73, the output end of the third motor 710 slidably penetrates through the fixed plate 71 and is fixedly installed on the rotating column 72, so as to conveniently drive the rotating column 72 to rotate on the fixed plate 71, and the rotating speed of the third motor 710 is the same as that of the first motor 9.

[0041] The end of the fixed plate 71 away from the base 1 is provided with a second rectangular through hole 76, a second sliding block 79 is slidably installed in the second rectangular through hole 76, a spring 78 is fixedly installed on the side of the second sliding block 79 away from the base 1, one end of the spring 78 away from the second sliding block 79 is fixedly installed on the inner wall of the second rectangular through hole 76, a balance rod 77 is slidably installed on the second sliding block 79, and the spring 78 is nestedly installed on the outer surface of the balance rod 77. The spring 78 plays a role in driving the second sliding block 79 to elastically reset, and the two ends of the balance rod 77 are fixedly installed on the inner wall of the second rectangular through hole 76. The clamping roller 75 is rotatably installed on the side of the second sliding block 79 close to the winding ring 73, so as to conveniently clamp the yarn on the winding ring 73 by the clamping roller 75, facilitate operation and use, continue to wind the broken yarn, and avoid the influence of the broken yarn on the arrangement of other yarns as much as possible. The winding time of the winding ring 73 makes the whole machine not need to stop, and facilitates waiting for the maintenance operation of the staff.

[0042] The fixed plate 71 is rotatably installed with a rotating column 72 close to the winding ring 73, the winding ring 73 is clamped and sleeved on the outer surface of the rotating column 72, so as to conveniently drive the rotating column 72 to rotate the winding ring 73, and the rotating column 72 is rotatably installed with a limiting plate 74 away from the fixed plate 71. The limiting plate 74 plays a role in limiting and stabilizing the winding ring 73, so as to conveniently limit the winding ring 73 on the rotating column 72, facilitate installation and disassembly, and timely replace the winding ring 73.

[0043] When using the device, first pull the clamping roller 75 upwards, so that the clamping roller 75 drives the second sliding block 79 to move upwards in the second rectangular through hole 76, and at the same time, the second sliding block 79 slides on the balance rod 77 to press the spring 78, so that the spring 78 is in a compressed state, then move the winding ring 73, so that the winding ring 73 is sleeved on the rotating column 72, then rotate the limiting plate 74 to stabilize the winding ring 73, then wind the yarn on the winding ring 73 for one turn, then simultaneously rotate the first motor 9 and the third motor 710, so that the rotating frequency of the first motor 9 and the third motor 710 is the same, at the same time, the first motor 9 drives the winding column 5 to wind the yarn, and the third motor 710 drives the rotating column 72 to rotate, then release the clamping roller 75, so that the clamping roller 75 rotates under the drive of the winding ring 73, reducing the friction between the clamping roller 75 and the winding ring 73, the winding ring 73 is convenient for winding the broken yarn, which can avoid the broken yarn flying to affect the arrangement of other yarns, avoid affecting the machine to stop working, and wait for the staff to perform maintenance operation, which is beneficial to improve the ability of the device to wind the broken yarn in time, and is beneficial to improve the working efficiency of the device.

[0044] Embodiment three

[0045] Please refer to Figure 6 and Figure 8 As shown in the drawings, on the basis of the first embodiment and the second embodiment, the supporting plate 2 is provided with a sticky hair assembly 8, the sticky hair assembly 8 comprises a sticky hair ring 83, and the two sides corresponding to the two supporting plates 2 are provided with two rotating shafts 82, and the two sticky hair rings 83 are rotatably installed on the rotating shafts 82. The yarn is placed on the sticky hair ring 83, which is convenient for sticking the broken fiber fluff on the yarn.

[0046] The two sides of the two supporting plates 2 close to the rotating shafts 82 are respectively provided with first sliding grooves 85 and second sliding grooves 86, and the first sliding grooves 85 and the second sliding grooves 86 are slidably installed with limiting blocks 84, and the two ends of the rotating shafts 82 are rotatably installed on the limiting blocks 84, which is convenient for installation and disassembly. The two rotating shafts 82 are staggered in height, so that the yarn is wound in a zigzag shape through the two rotating shafts 82, which is convenient for comprehensive sticky hair operation and collection and treatment of the fiber fluff on the yarn, which is beneficial to improve the collection capacity of the device and the working efficiency of the device arrangement.

[0047] When the device is used, firstly, the sticky ring 83 is sleeved on the rotating shaft 82, then the rotating shaft 82 is held to drive the limiting block 84, which is respectively installed on the first sliding groove 85 and the second sliding groove 86, then the yarn head on the pay-off roller 3 is placed on the dividing plate 81, then the yarn passes through the top of the sticky ring 83 at the position of the first sliding groove 85, then the yarn passes through the bottom of the sticky ring 83 at the position of the second sliding groove 86, then the yarn is wound on the winding ring 73 and the winding column 5, and the yarn is in Z shape between the two rotating shafts 82, so that the sticky ring 83 can comprehensively stick the yarn, the yarn can be conveniently divided and stuck, the collection capacity of the device is improved, and the working efficiency of the device is improved.

[0048] Embodiment four

[0049] Please refer to Figure 1 - Figure 8 In the embodiment, the yarn on the pay-off roller 3 is wound on the winding ring 73 after being stuck by the upper and lower sticky rings 83, then the yarn is wound on the winding ring 73 again, then the yarn is rubbed by the rubbing ring 66 and the shaping groove, then the yarn is ironed by the ironing plate 64, the rubbing ring 66 is driven to rotate by the conveyor belt 68, the yarn is rubbed, and finally the yarn is installed on the winding column 5.

[0050] The working principle of the device is as follows: when the device is used, the yarn on the pay-off roller 3 is wound in Z shape between the sticky rings 83, then the broken yarn winding assembly 7 is operated, the winding ring 73 is sleeved on the rotating column 72 by the pulling and clamping roller 75, then one end of the yarn is wound on the winding ring 73, then the yarn is rubbed by the rubbing ring 66 and the shaping groove, the yarn is ironed by the ironing plate 64, the rubbing ring 66 is driven to rotate by the conveyor belt 68, the yarn is rubbed, and finally the yarn is installed on the winding column 5.

[0051] The above describes one embodiment of the present application in detail, but the content described is only a preferred embodiment of the present application, and cannot be considered as limiting the implementation range of the present application. Any equivalent changes and improvements made according to the application scope of the present application should still belong to the patent coverage range of the present application.

Claims

1. A yarn conditioning device for a spinning apparatus comprising a base (1), characterized in that: The top of the base (1) is fixedly provided with two support plates (2) and a mounting rack (4), a pay-off roller (3) is rotatably arranged between the two support plates (2), and a winding column (5) is rotatably arranged on the mounting rack (4); The base (1) is provided with a hair rubbing assembly (6), the hair rubbing assembly (6) comprises a hair rubbing ring (66), two mounting plates (61) are fixedly arranged on the side of the base (1) close to the mounting rack (4), a shaping plate (63) is slidably arranged between the two mounting plates (61), an ironing plate (64) is rotatably arranged on the shaping plate (63), two support rods (69) are fixedly arranged on the side of the shaping plate (63) close to the pay-off roller (3), the hair rubbing ring (66) is sleeved on the two support rods (69), an installation block (67) is fixedly arranged on the side of the shaping plate (63) away from the base (1), and a conveyor belt (68) is rotatably arranged on the side of the installation block (67) close to the hair rubbing ring (66). Two mounting plates (61) are fixedly arranged between the two mounting plates (61), and an oval (62) is rotatably arranged on the side of the connecting plate (612) close to the mounting rack (4). A shaping groove is formed in the shaping plate (63), a heating plate (65) is fixedly arranged on the inner bottom wall of the shaping groove, and the ironing plate (64) is rotatably arranged on the inner wall on one side of the shaping groove. The base (1) is provided with a broken line winding assembly (7), the broken line winding assembly (7) comprises a winding ring (73), a plurality of fixed plates (71) are fixedly arranged on the side of the base (1) close to the support plate (2), the winding ring (73) is arranged on the fixed plate (71), a clamping roller (75) is rotatably arranged on the fixed plate (71), and a third motor (710) is fixedly arranged on the side of the base (1) away from the winding ring (73). A second rectangular through hole (76) is formed in the end of the fixed plate (71) away from the base (1), a second sliding block (79) is slidably and penetratively arranged in the second rectangular through hole (76), a spring (78) is fixedly arranged on the side of the second sliding block (79) away from the base (1), and a balance rod (77) is slidably and penetratively arranged on the second sliding block (79).

2. A yarn conditioning device for a spinning apparatus according to claim 1, characterized in that: First rectangular through holes (613) are formed in the two mounting plates (61), first sliding blocks (615) are slidably and penetratively arranged in the first rectangular through holes (613), and stabilizing rods (614) are slidably and penetratively arranged on the first sliding blocks (615).

3. A yarn conditioning device for a spinning apparatus according to claim 1, characterized in that: The fixed plate (71) is rotatably installed with a rotating column (72) on one side close to a winding ring (73), the winding ring (73) is clamped on the outer surface of the rotating column (72), and the end of the rotating column (72) away from the fixed plate (71) is rotatably installed with a limiting plate (74).

4. A yarn conditioning device for a spinning apparatus according to claim 1, characterized in that: The support plate (2) is provided with a sticky hair assembly (8), the sticky hair assembly (8) comprises a sticky hair ring (83), and the corresponding side of the two support plates (2) is provided with two rotating shafts (82); the two sticky hair rings (83) are rotatably installed on the rotating shafts (82); and the two support plates (2) are fixedly installed with a distribution plate (81) between them, and the distribution plate (81) is installed between the pay-off roller (3) and the rotating shaft (82).

5. A yarn conditioning device for a spinning apparatus according to claim 4, characterized in that: The two support plates (2) are respectively provided with a first sliding groove (85) and a second sliding groove (86) on the side close to the rotating shaft (82), the first sliding groove (85) and the second sliding groove (86) are slidably installed with a limiting block (84), and the two ends of the rotating shaft (82) are rotatably installed on the limiting block (84).

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