Packaging mechanism for garment manufacturing

Abstract

The utility model relates to the technical field of packaging equipment for garment manufacturing, and discloses a packaging mechanism for garment manufacturing, which comprises an L-shaped plate, a top plate, a support adjusting component, a mounting plate, a fixing shaft, a lifting adjusting component, a conveying component and two clamping components, the top plate is fixedly mounted on the L-shaped plate, a strip-shaped groove is formed in the bottom side of the top plate, the mounting plate is slidably mounted in the strip-shaped groove, the supporting and adjusting assembly is arranged in the strip-shaped groove and connected with the mounting plate, the fixing shaft is fixedly mounted on the bottom side of the mounting plate, and circular plates are arranged on the fixing shaft and the supporting and adjusting assembly. The underpants packaging machine has the advantages that the rapid, efficient and stable underpants packaging process is achieved, meanwhile, the whole packaging process is high in automation degree, easy and convenient to operate, high in efficiency and good in stability, and the production efficiency and the product quality of garment manufacturing enterprises are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to clothing manufacturing's packing equipment technical field especially relates to a kind of packing mechanism for clothing manufacturing. BACKGROUND

[0002] In clothing manufacturing industry, packaging is the key link before product factory, it is not only related to the appearance display of product, also directly influences the transportation safety and storage stability of product. Traditional packaging mode often relies on manual operation, not only inefficient, and easily due to human factors leads to packing quality uneven, to solve this problem, people design the equipment for clothing packaging, such as automatically folding and packing clothes, but these existing equipment can only be applied to shirt or trousers etc. Since underpants usually adopt cylindrical packing box to pack, it cannot be well applied to the whole small underpants packaging, and the packaging of underpants is generally first manually wound, then it is loaded into cylindrical packing box, it is relatively cumbersome to operate, and it is not conducive to the improvement of work efficiency, and manual winding mode can also appear due to human factors leads to packing quality uneven.

[0003] Therefore, the utility model provides a kind of packing mechanism for clothing manufacturing to solve the above problems.

[0004] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the overall background of the utility model, and should not be regarded as acknowledging or in any form implying that this information constitutes prior art known to those skilled in the art. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of packing mechanism for clothing manufacturing, with it can be quickly, efficiently and stably packed to underpants, while the whole packaging process is highly automated, easy to operate, high efficiency and good stability, greatly improve the production efficiency and product quality of clothing manufacturing enterprise.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a kind of packing mechanism for clothing manufacturing, including L-shaped plate, top plate, support adjusting assembly, mounting plate, fixed shaft, lifting adjusting assembly, conveying assembly and two clamping assemblies;

[0007] The top plate is fixedly installed on the L-shaped plate, a strip-shaped slot is formed in the bottom side of the top plate, the mounting plate is slidably installed in the strip-shaped slot, the support adjusting assembly is arranged in the strip-shaped slot and connected with the mounting plate, the fixed shaft is fixedly installed on the bottom side of the mounting plate, the fixed shaft and the support adjusting assembly are both provided with a circular plate, two clamping assemblies are respectively arranged on the corresponding circular plates, the lifting adjusting assembly is arranged on the top plate and connected with the circular plate on the left side, and the conveying assembly is arranged on the L-shaped plate.

[0008] Further, the support adjusting assembly comprises a lead screw one, a rotating shaft, a servo motor and two bevel gears, the servo motor is fixedly installed on the top side of the top plate, the rotating shaft is fixedly connected with the output shaft of the servo motor in an axial direction, the rotating shaft and the fixed shaft are arranged in parallel with each other, the lead screw one is rotatably installed on the inner wall of one side of the strip-shaped slot, the lead screw one is threadedly connected with the mounting plate, the bevel gears are fixedly sleeved on the lead screw one and the rotating shaft, the two bevel gears are engaged with each other, and the two circular plates are axially slidably installed on the rotating shaft and the fixed shaft respectively.

[0009] By adopting the above technical scheme, the fixed shaft can provide support for the underpants, and the underpants can be conveniently wound.

[0010] Further, the two guide rods are fixedly installed on the inner walls of the two sides of the strip-shaped slot and arranged in parallel with the lead screw one, and the two guide rods are slidably connected with the mounting plate.

[0011] By adopting the above technical scheme, the mounting plate can be supported and guided, so that the stable sliding of the mounting plate in the strip-shaped slot can be ensured.

[0012] Further, the support block is fixedly installed in the strip-shaped slot, and the lead screw one is rotatably connected with the support block.

[0013] By adopting the above technical scheme, the lead screw one can be stably supported, so that the stable rotation of the lead screw one can be ensured.

[0014] Further, the lifting adjusting assembly comprises a guide block, an adjusting motor, a lead screw two and an inner thread sleeve, the adjusting motor is fixedly installed on the top inner wall of the strip-shaped slot, the lead screw two is axially fixedly connected with the output shaft of the adjusting motor, the inner thread sleeve is threadedly installed on the lead screw two, the guide block is fixedly installed on the inner thread sleeve, the circular plate on the rotating shaft is provided with an annular groove on the outer circumferential side, the guide block is in sliding contact with the inner wall of the annular groove, the circular plate on the fixed shaft is fixedly installed with a protrusion on the outer circumferential side, and the protrusion is matched with the annular groove.

[0015] By adopting the above technical scheme, when the circular plate on the fixed shaft abuts against the circular plate on the rotating shaft after the underpants are wound up, the protruding block is clamped into the annular groove, so that the underpants can be controlled to slide downward from the fixed shaft and the rotating shaft to the packaging box arranged in a cylindrical shape after the underpants are wound up.

[0016] The utility model discloses further provide: the bottom side fixed mounting of top board has telescopic link, and the bottom of telescopic link is fixed mounting in the top side of guide block.

[0017] By adopting the above technical scheme, the inner sleeve can be prevented from rotating when the motor controls the rotation of the screw rod, so that the stable lifting of the guide block can be ensured.

[0018] The utility model discloses further provide: the clamping component includes rotating pin, strip board, clamping plate and torsion spring, and the installation groove is seted up on the circular plate, and the rotating pin is rotatably installed in the installation groove, and the strip board is fixedly installed on the rotating pin, and the clamping plate is fixedly installed on the strip board, and the torsion spring is fixedly installed on the strip board based on the rotating pin as the center, and one end of the torsion spring away from the strip board is fixedly installed on the inner wall of the installation groove, and the torsion spring is movably sleeved on the outside of the rotating pin.

[0019] By adopting the above technical scheme, the underpants can be provided with clamping effect, so that stable winding and other operations of the underpants can be ensured.

[0020] The utility model discloses further provide: the conveying component includes two support shafts, two conveying rollers, conveying belt and conveying motor, and two support shafts are rotatably installed on the L-shaped plate, and the two support shafts are arranged in parallel with each other and are respectively fixedly sleeved with the conveying roller, and the same conveying belt for the cylindrical packaging box conveying is movably connected on the two conveying rollers, and the conveying motor is fixedly installed on one side of the L-shaped plate, and the output shaft of the conveying motor is axially fixedly connected with one of the support shafts.

[0021] By adopting the above technical scheme, the cylindrical packaging box can be conveyed from below the rotating shaft, so that the underpants wound up can be conveniently put into the cylindrical packaging box.

[0022] The utility model discloses further provide: the outer side fixed mounting of conveying belt has two limit rubber strips that are arranged in parallel with each other and keep head to tail connection, and the top side of L-shaped plate is fixedly installed with the support plate, and the two support shafts are rotatably connected with the support plate.

[0023] By adopting the above technical scheme, the limit rubber strips can provide limitation for the cylindrical packaging box conveyed, avoid the displacement or dumping of the cylindrical packaging box in the conveying process, and the support plate can provide stable support for the two support shafts, so that the stable work of the conveying belt can be ensured.

[0024] The utility model discloses the beneficial effect is:

[0025] First, the packaging mechanism provided by the utility model is exquisite in design, compact in structure, can effectively solve the problems of low efficiency and complex operation in traditional packaging mode, and specifically, through the cooperation of the L-shaped plate, the top plate, the support adjusting assembly, the mounting plate, the fixed shaft, the lifting adjusting assembly, the conveying assembly and the two clamping assemblies, the automatic packaging process of the garment, especially the underpants, is realized.

[0026] Secondly, the design of the support adjusting assembly enables the underpants to be stably supported during the packaging process, and facilitates winding operation, wherein the synchronous rotation of the servo motor driven rotating shaft and the screw rod one can accurately control the movement of the mounting plate, so that the winding and fixing of the underpants are realized, and the setting of the two circular plates further enhances the support effect and the limiting of the top of the underpants, and can cooperate with the fixed shaft and the rotating shaft to complete the winding operation of the underpants.

[0027] Thirdly, the introduction of the lifting adjusting assembly enables the underpants to be smoothly slid from the fixed shaft and the rotating shaft into the packaging box below after winding is completed, wherein the driving of the adjusting motor drives the inner sleeve and the guide block to move downwards, and the setting of the protruding block can synchronously push the circular plate on the rotating shaft downwards after the underpants are wound, so that the underpants can be smoothly loaded into the packaging box, in addition, the setting of the telescopic rod ensures the stable lifting of the guide block, avoiding shaking and deviation during lifting and the rotation of the inner sleeve.

[0028] The design of the clamping assembly ensures that the underpants are kept stable when hanging on the rotating shaft and the fixed shaft, wherein the elastic force of the torsional spring enables the clamping assembly to tightly clamp the underpants, avoiding falling off or damage during the packaging process, and simultaneously, the rotation design between the rotating pin and the inner wall of the mounting groove in the clamping assembly also facilitates the taking and winding operation of the underpants.

[0029] Finally, the introduction of the conveying assembly realizes the automatic conveying and positioning of the packaging box, wherein the driving of the conveying motor drives the conveying belt to run, can convey the empty packaging box from below the rotating shaft to the specified position, so as to carry out the packaging operation of the underpants, and simultaneously, the setting of the limiting rubber strip and the support plate ensures the stability and safety of the packaging box during the conveying process.

[0030] In summary, the packaging mechanism for garment manufacturing provided by the utility model has the advantages of reasonable structure design, simple operation, high efficiency and good stability, and can effectively improve the efficiency and quality of garment packaging. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0032] Figure 1 A three-dimensional structure schematic diagram of a packaging mechanism for garment manufacturing is provided in the present application.

[0033] Figure 2 A three-dimensional structure schematic diagram of a packaging mechanism for garment manufacturing is provided in the present application. Figure 1 A sectional structure schematic diagram of a front view perspective is provided in the present application.

[0034] Figure 3 A three-dimensional structure schematic diagram of a packaging mechanism for garment manufacturing is provided in the present application.

[0035] Figure 4 A structure schematic diagram of part A of a packaging mechanism for garment manufacturing is provided in the present application.

[0036] Figure 5 A structure schematic diagram of a clamping assembly part is provided in the present application.

[0037] In the figure, 1, L-shaped plate; 2, top plate; 21, mounting plate; 22, fixed shaft; 3, screw rod one; 31, rotating shaft; 32, servo motor; 33, bevel gear; 34, guide rod; 4, circular plate; 401, annular groove; 402, protruding block; 41, rotating pin; 42, strip plate; 43, clamping plate; 44, torsional spring; 5, adjusting motor; 51, screw rod two; 52, inner thread sleeve; 53, guide block; 54, telescopic rod; 6, supporting shaft; 61, conveying roller; 62, conveying belt; 63, supporting plate; 64, conveying motor. DETAILED DESCRIPTION

[0038] The technical scheme of the present application will be described clearly and completely in combination with specific embodiments. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0039] REFERENCE Figures 1-5The utility model provides a kind of packaging mechanism for clothing manufacturing, including L-shaped plate 1, top plate 2, mounting plate 21 and fixed shaft 22, the top plate 2 is fixedly installed on L-shaped plate 1, the bottom side of the top plate 2 is equipped with strip slot, the mounting plate 21 is slidably installed in strip slot, the top side of top plate 2 is fixedly installed with servo motor 32, the output shaft of servo motor 32 is axially fixedly connected with rotating shaft 31, rotating shaft 31 is parallel with fixed shaft 22, one side inner wall of strip slot is rotatably installed with screw rod one 3, screw rod one 3 is threadedly connected with mounting plate 21, screw rod one 3 and rotating shaft 31 are all fixedly provided with bevel gear 33, two bevel gears 33 are engaged, two circular plates 4 are respectively axially slidably installed on rotating shaft 31 and fixed shaft 22, can cooperate fixed shaft 22 to provide support for underpants, while conveniently winding operation is carried out to underpants, the bottom side of the mounting plate 21 is fixedly installed with fixed shaft 22, and the circular plate 4 is arranged on the fixed shaft 22 and support adjusting assembly, the mounting groove is formed in the circular plate 4, the rotating pin 41 is rotatably installed in the mounting groove, the strip plate 42 is fixedly installed on the rotating pin 41, the clamping plate 43 is fixedly installed on the strip plate 42, the torsional spring 44 is fixedly installed on the strip plate 42 based on the rotating pin 41 as center, one end of the torsional spring 44 away from the strip plate 42 is fixedly installed on the inner wall of the mounting groove, and the torsional spring 44 movably covers the outside of the rotating pin 41, can provide clamping effect for underpants, so as to guarantee that the stable winding operation is carried out to underpants, the top inner wall of strip slot is fixedly installed with adjusting motor 5, the output shaft of adjusting motor 5 is axially fixedly connected with screw rod two 51, the inner thread sleeve 52 is threadedly installed on screw rod two 51, the guide block 53 is fixedly installed on the inner thread sleeve 52, the outer circumferential side of the circular plate 4 on rotating shaft 31 is equipped with annular groove 401, the guide block 53 is slidably contacted with the inner wall of annular groove 401, the convex block 402 is fixedly installed on the outer circumferential side of the circular plate 4 on fixed shaft 22, and the convex block 402 is matched with annular groove 401, when the circular plate 4 on fixed shaft 22 is abutted with the circular plate 4 on rotating shaft 31 after winding completion of underpants, makes the convex block 402 be clamped into annular groove 401, so as to realize that underpants are controlled to slide down from fixed shaft 22 and rotating shaft 31 into the packaging box arranged in the shape of cylinder after winding completion, two support shafts 6 are rotatably installed on L-shaped plate 1, two support shafts 6 are parallel and are respectively fixedly provided with conveying roller 61, the same conveying belt 62 for the conveying of the packaging box in the shape of cylinder is rotatably connected on two conveying rollers 61, one side of L-shaped plate 1 is fixedly installed with conveying motor 64, the output shaft of conveying motor 64 is axially fixedly connected with one of support shafts 6, can convey the packaging box in the shape of cylinder from the lower side of rotating shaft 31, so as to facilitate that the underpants of winding completion are loaded into the packaging box in the shape of cylinder, and in order to guarantee the stable rotation of support shaft 6 and the stable conveying of conveying belt 62 to the packaging box in the shape of cylinder, the outer side of conveying belt 62 is fixedly installed with two limit rubber strips that are parallel and keep head-to-tail connection,The top side of the L-shaped plate 1 is fixedly provided with a support plate 63.

[0040] Specifically, in order to provide support and guide for the mounting plate 21, so as to ensure that the mounting plate 21 stably slides in the strip-shaped groove, two guide rods 34 parallel to the lead screw 1 are fixedly arranged on the inner walls of the two sides of the strip-shaped groove, and the two guide rods 34 are in sliding connection with the mounting plate 21.

[0041] Specifically, in order to provide stable support for the lead screw 1, so as to ensure that the lead screw 1 stably rotates, a support block is fixedly arranged in the strip-shaped groove, and the lead screw 1 is in rotary connection with the support block.

[0042] Specifically, in order to ensure that the inner sleeve 52 does not rotate when the motor 5 controls the rotation of the lead screw 2 51, so as to realize the stable lifting of the guide block 53, the bottom side of the top plate 2 is fixedly provided with an extension rod 54, and the bottom end of the extension rod 54 is fixedly arranged on the top side of the guide block 53.

[0043] Specifically, the two support shafts 6 are in rotary connection with the support plate 63, the limiting rubber strips can provide limiting for the transported cylindrical packaging boxes, so as to avoid displacement or dumping of the cylindrical packaging boxes during the transportation, and the support plate 63 can provide stable support for the two support shafts 6, so as to ensure that the conveying belt 62 stably works.

[0044] The existing technologies are adopted for the servo motor, the adjusting motor, the conveying motor, the circuit, the electronic components and the module mechanism, and the skilled person in the art can realize the same without further description, and the content protected by the present application does not involve improvement of software, circuit and method.

[0045] Working principle:

[0046] First, the power is turned on, the underpants are tightly attached to the rotating shaft 31 and the fixed shaft 22 and are pushed upward, so that the underpants can be stably clamped on the rotating shaft 31 and the fixed shaft 22 under the cooperation of the clamping plate 43, the strip-shaped plate 42, the rotating pin 41 and the torsional spring 44, then the rotating shaft 31 is driven to rotate by the servo motor 32, and the lead screw 1 also rotates synchronously due to the meshing of the two bevel gears 33, thereby driving the mounting plate 21 to slide in the strip-shaped groove, in this process, the fixed shaft 22 remains stationary relative to the mounting plate 21, and the circular plate 4 on the rotating shaft 31 rotates with the rotating shaft 31, so as to realize the winding operation of the underpants.

[0047] With the sliding of the mounting plate 21, the circular plate 4 on the fixed shaft 22 gradually approaches the circular plate 4 on the rotating shaft 31, and when the two circular plates 4 abut, the protruding block 402 is just clamped into the annular groove 401, at this time, the underpants have been wound.

[0048] After the completion of the underpants winding, the support shaft 6 and the conveying roller 61 are driven to rotate by the conveying motor 64, and then the conveying belt 62 is driven to move, under the conveying action of the conveying belt 62, the cylindrical packaging box is conveyed to the lower side of the rotating shaft 31, and waits for receiving the completed underpants winding.

[0049] Then the screw rod two 51 is driven to rotate by adjusting the motor 5, and then the inner sleeve 52 and the guide block 53 are driven to slide downward along the axial direction of the screw rod two 51 and drive the two circular plates 4 to slide downward synchronously, due to the existence of the telescopic rod 54, the guide block 53 can keep stable during the lifting process and will not rotate with the rotation of the screw rod two 51, with the sliding of the circular plate 4 downward, the clamping plate 43 can gradually separate from the rotating shaft 31 and the fixed shaft 22 and push the completed underpants into the cylindrical packaging box on the conveying belt 62 below, and then realize the winding and packaging process of the underpants.

[0050] When the underpants are separated from the rotating shaft 31 and the fixed shaft 22 and slide into the packaging box, the control adjusting motor 5 is reversely rotated, so that the circular plate 4 can be reset upward, and then the conveying belt 62 is continuously controlled to convey the packaging box to the next process for subsequent processing, the whole packaging process has high automation degree, simple operation, high efficiency and good stability, greatly improves the production efficiency and product quality of the garment manufacturing enterprise.

[0051] The above describes in detail the packaging mechanism for garment manufacturing provided by the utility model. The principles and implementation modes of the utility model are described in the embodiments in this paper, and the above embodiment is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, without departing from the principles of the utility model, the utility model can be improved and modified in many ways, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. A packaging mechanism for garment manufacturing, characterized in that, Includes an L-shaped plate (1), a top plate (2), a support and adjustment assembly, a mounting plate (21), a fixed shaft (22), a lifting and adjustment assembly, a conveying assembly, and two clamping assemblies; The top plate (2) is fixedly installed on the L-shaped plate (1). A strip groove is provided on the bottom side of the top plate (2). The mounting plate (21) is slidably installed in the strip groove. The support adjustment assembly is set in the strip groove and connected to the mounting plate (21). The fixed shaft (22) is fixedly installed on the bottom side of the mounting plate (21). A circular plate (4) is provided on both the fixed shaft (22) and the support adjustment assembly. Two clamping assemblies are respectively set on the corresponding circular plates (4). The lifting adjustment assembly is set on the top plate (2) and connected to the circular plate (4) on the left side. The conveying assembly is set on the L-shaped plate (1).

2. The packaging mechanism for garment manufacturing according to claim 1, characterized in that: The support adjustment assembly includes a lead screw (3), a rotating shaft (31), a servo motor (32), and two bevel gears (33). The servo motor (32) is fixedly installed on the top side of the top plate (2). The rotating shaft (31) is axially fixedly connected to the output shaft of the servo motor (32). The rotating shaft (31) and the fixed shaft (22) are arranged parallel to each other. The lead screw (3) is rotatably installed on the inner wall of one side of the strip groove. The lead screw (3) is threadedly connected to the mounting plate (21). Both the lead screw (3) and the rotating shaft (31) are fixedly fitted with bevel gears (33). The two bevel gears (33) mesh with each other. The two circular plates (4) are axially slidably installed on the rotating shaft (31) and the fixed shaft (22), respectively.

3. A packaging mechanism for garment manufacturing according to claim 2, characterized in that: Two guide rods (34) are fixedly installed on the inner walls of both sides of the strip groove, which are parallel to the lead screw (3). Both guide rods (34) are slidably connected to the mounting plate (21).

4. A packaging mechanism for garment manufacturing according to claim 2, characterized in that: A support block is fixedly installed inside the strip groove, and the lead screw (3) is rotatably connected to the support block.

5. A packaging mechanism for garment manufacturing according to claim 2, characterized in that: The lifting adjustment assembly includes a guide block (53), an adjustment motor (5), a second lead screw (51), and an inner thread sleeve (52). The adjustment motor (5) is fixedly installed on the top inner wall of the strip groove. The second lead screw (51) is axially fixedly connected to the output shaft of the adjustment motor (5). The inner thread sleeve (52) is threaded on the second lead screw (51). The guide block (53) is fixedly installed on the inner thread sleeve (52). An annular groove (401) is opened on the outer periphery of the circular plate (4) located on the rotating shaft (31). The guide block (53) slides in contact with the inner wall of the annular groove (401). A protrusion (402) is fixedly installed on the outer periphery of the circular plate (4) located on the fixed shaft (22). The protrusion (402) is adapted to the annular groove (401).

6. A packaging mechanism for garment manufacturing according to claim 5, characterized in that: A telescopic rod (54) is fixedly installed on the bottom side of the top plate (2), and the bottom end of the telescopic rod (54) is fixedly installed on the top side of the guide block (53).

7. A packaging mechanism for garment manufacturing according to claim 1, characterized in that: The clamping assembly includes a rotating pin (41), a strip plate (42), and a clamping plate (43). The circular plate (4) has an installation groove, in which the rotating pin (41) is rotatably installed. The strip plate (42) is radially fixedly installed on the rotating pin (41), and the clamping plate (43) is fixedly installed on the strip plate (42).

8. A packaging mechanism for garment manufacturing according to claim 7, characterized in that: The clamping assembly also includes a torsion spring (44). The torsion spring (44) is fixedly installed on the strip plate (42) with the rotating pin (41) as the center. The end of the torsion spring (44) away from the strip plate (42) is fixedly installed on the inner wall of the mounting groove, and the torsion spring (44) is movably sleeved on the outside of the rotating pin (41).

9. A packaging mechanism for garment manufacturing according to claim 1, characterized in that: The conveying assembly includes two support shafts (6), two conveying rollers (61), a conveyor belt (62), and a conveyor motor (64). Two support shafts (6) are rotatably mounted on the L-shaped plate (1). The two support shafts (6) are arranged parallel to each other and each is fixedly fitted with a conveyor roller (61). The two conveyor rollers (61) are connected to the same conveyor belt (62) for conveying cylindrical packaging boxes. A conveyor motor (64) is fixedly mounted on one side of the L-shaped plate (1). The output shaft of the conveyor motor (64) is axially fixedly connected to one of the support shafts (6).

10. A packaging mechanism for garment manufacturing according to claim 9, characterized in that: Two limiting rubber strips are fixedly installed on the outer side of the conveyor belt (62), which are arranged in parallel to each other and connected end to end. A support plate (63) is fixedly installed on the top side of the L-shaped plate (1), and the two support shafts (6) are rotatably connected to the support plate (63).

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