A cutting mechanism for reinforced plate production

Abstract

The utility model relates to the technical field of reinforcing plate production, and disclose a cutting mechanism for reinforcing plate production, including support subassembly and reinforcing plate body, and the fixed mounting of extension machine and fixed frame of support subassembly top, the top fixed mounting of fixed frame has shift subassembly no.

Description

Technical Field

[0001] This utility model relates to the field of reinforcing plate production technology, specifically a cutting mechanism for reinforcing plate production. Background Technology

[0002] The cutting mechanism for reinforced plate production is a specialized piece of equipment used for precise cutting of reinforced plates made of metal, composite materials, etc. Its core consists of cutting components (such as laser head, grinding wheel, plasma torch), feeding system, positioning device, and control system. The mechanism is driven by a servo motor and uses a grating ruler or encoder to achieve millimeter-level positioning. The cutting method can be selected according to the material of the plate—laser cutting is suitable for high-precision thin materials, while plasma cutting is suitable for efficient processing of thick plates. The equipment is usually equipped with automatic feeding and waste collection devices and can be integrated into the production line to achieve continuous operation. It is widely used in the automotive, construction, and machinery manufacturing industries to ensure the dimensional accuracy and edge quality of reinforced plate parts.

[0003] Chinese Utility Model Patent Publication No. CN217913165U discloses a cutting mechanism for metal plate processing. The specification of this cutting mechanism states that by using positioning components to press and position the metal plate on both sides and the top, the positioning of the metal plate is more secure and the operation is simpler, improving the efficiency of metal plate cutting to a certain extent and effectively preventing the metal plate from shifting during the cutting process. It also results in more precise cutting. However, this cutting mechanism lacks an adjustment structure, making it inconvenient to produce reinforcing plates of different widths. Furthermore, it lacks a cutting blade installation structure, making it difficult to repair or replace after prolonged use. Therefore, its practicality is poor, hindering its widespread adoption. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a cutting mechanism for the production of reinforcing plates. It can effectively solve the problems of existing technologies that do not have an adjustment structure, which makes it inconvenient to produce reinforcing plates of different widths, and do not have an installation structure for the cutting blades, which makes it inconvenient to repair or replace them after long-term use, resulting in poor practicality and difficulty in promoting their use.

[0005] The technical solution adopted by this utility model is: a cutting mechanism for producing reinforcing plates, including a support component and a reinforcing plate body, as well as an extension machine and a fixing frame fixedly installed at the top of the support component. A displacement component one is fixedly installed at the top of the fixing frame, a cutting component is fixedly installed on the outer wall of the displacement component one, a displacement component two is fixedly installed at the end of the fixing frame away from the displacement component one, and a guide wheel assembly is fixedly installed on the outer wall of the displacement component two.

[0006] Preferably, the first displacement assembly includes a first fixed base, a first motor, a transmission screw, a connecting block, a connecting frame, a slider, and a first slide rod. The first motor is fixedly installed on the outer wall of the first fixed base, the transmission screw is fixedly installed on the output end of the first motor, the connecting block is threadedly connected to the outer wall of the transmission screw, the connecting frame is fixedly installed on the outer wall of the connecting block, the slider is fixedly installed at the end of the connecting frame near the connecting block, and the slide rod is fixedly installed at the end of the fixed frame near the transmission screw. The transmission screw is a bidirectional screw, the slider and the slide rod are slidably connected, and the connecting frame is fixedly installed with the cutting assembly. The first displacement assembly has the same structure as the second displacement assembly.

[0007] With the above technical solution, the staff starts motor one, the output end of motor one rotates and drives the transmission screw to rotate, the transmission screw rotates and drives the connecting block to move, thereby driving the cutting component to move. Similarly, the shifting component two can drive the guide wheel component to move. Through the cooperation of shifting component one and shifting component two, it is easy to adjust the cutting position of the cutting component, thereby producing reinforcing plate bodies of different widths, with high adaptability.

[0008] Preferably, the cutting assembly includes a fixed plate, a cylinder, a movable plate, a slide rod, a fixed seat, a motor, a fixed block, an insert block, a positioning block, a cutting disc, a positioning groove, a limiting groove, a cover plate, a limiting block, a slot, a threaded hole, a limiting groove, a threaded hole, and bolts. The top of the fixed plate is fixedly mounted with the cylinder. The movable plate is fixedly mounted with the movable plate. The slide rod is fixedly mounted with the slide rod on the side of the movable plate near the fixed plate. The fixed seat is fixedly mounted with the fixed seat on the side of the movable plate away from the fixed plate. The motor is fixedly mounted with the motor on its outer wall. The output end of the motor is fixedly mounted with the fixed block. One end of the second motor is fixedly installed with an insert block, and a positioning block is fixedly installed on the outer wall of the insert block. A cutting blade is provided at the end of the first fixed block away from the second motor. The outer wall of the cutting blade is provided with a positioning groove and a limiting groove. A cover plate is provided on the side of the cutting blade away from the first fixed block. A limiting block is fixedly installed on the side of the cover plate near the cutting blade. A slot and a threaded hole are provided on the side of the cover plate near the cutting blade. A limiting groove is provided on the side of the first fixed block near the cutting blade. A threaded hole is provided at the end of the insert block near the cover plate. A bolt that matches the threaded hole and the threaded hole is threadedly connected to the side of the cover plate away from the cutting blade. The second sliding rod is slidably connected to the first fixed plate.

[0009] Using the above technical solution, the operator starts cylinder one, the movable end of cylinder one extends and drives moving plate one downward, thereby causing the cutting blade to move downward. When it moves to the appropriate position, motor two is started, the output shaft of motor two rotates and drives the cutting blade to rotate, which can realize the cutting of the reinforcing plate body.

[0010] Preferably, the cutting blade is adapted to the insert block, and the positioning block and the positioning groove are installed by insertion.

[0011] With the above technical solution, the operator inserts the insert block into the inside of the cutting blade and simultaneously inserts the positioning block into the inside of the positioning slot, which can achieve rapid positioning of the cutting blade without complicated calibration operations. This ensures accurate relative positioning of the cutting blade and the insert block, improves installation efficiency, reduces labor and time costs, and has high practicality.

[0012] Preferably, the insert and the slot are plugged in, and the limiting block extends through the limiting groove one into the interior of the limiting groove two.

[0013] With the above technical solution, after the cutting disc is quickly positioned, the operator inserts the insert block into the slot, so that the limiting block extends through the limiting slot one to the inside of the limiting slot two, which can realize the quick positioning of the cover plate and the quick limiting of the cutting disc. After long-term use, it is convenient to repair or replace it.

[0014] Preferably, the bolt extends through threaded hole one into threaded hole two, and the diameter of threaded hole one is the same.

[0015] With the above technical solution, after the cover plate is quickly positioned, the workers can quickly fix the cover plate by inserting the bolt through the threaded hole one to the inside of the threaded hole two. This makes it easy to quickly disassemble and assemble the cover plate during use or assembly.

[0016] Preferably, the guide wheel assembly includes a fixed plate two, a cylinder two, a movable plate two, a slide rod three, and a guide wheel body. The cylinder two is fixedly installed at the bottom end of the fixed plate two, and the movable plate two is fixedly installed at the sliding end of the cylinder two. The slide rod three is fixedly installed on the side of the movable plate two near the slide rod three. The guide wheel body is rotatably installed on the outer wall of the movable plate two. The slide rod three is slidably connected to the fixed plate two. Two identical guide wheel bodies are provided, and the two guide wheel bodies are distributed in a front-to-back manner.

[0017] With the above technical solution, the operator starts cylinder two, the movable end of cylinder two extends and drives the moving plate two to move, thereby driving the guide wheel body to move, so that the guide wheel body and the reinforcing plate body come into contact. When the stretching machine drives the reinforcing plate body to move, it plays a guiding role, and at the same time facilitates the cutting component to perform cutting work, which is highly practical.

[0018] Compared with the prior art, this utility model provides a cutting mechanism for producing reinforced plates, which has the following advantages:

[0019] 1. The cutting mechanism for reinforcing plate production, through the cooperation of the cutting blade with the insert block and the positioning block with the positioning groove, can achieve rapid positioning of the cutting blade. Without complicated calibration operations, it can ensure the accurate relative position of the cutting blade and the insert block, improve installation efficiency, and reduce labor and time costs. Through the cooperation of the insert block with the slot and the limiting block, and the limiting groove one with the limiting groove two, the cover plate can be quickly positioned, and the cutting blade can be quickly limited. After long-term use, it is easy to inspect or replace it. With the addition of bolts, threaded hole one and threaded hole two, the cover plate can be quickly fixed, which is convenient for quick disassembly and assembly during use or assembly.

[0020] 2. The cutting mechanism for producing reinforcing plates, through the design of the cutting components, can cut the reinforcing plate body. The design of the guide wheel components plays a guiding role during cutting and also facilitates the cutting work of the cutting components. Through the cooperation of shift component one and shift component two, the cutting position of the cutting components can be easily adjusted, thereby producing reinforcing plate bodies of different widths, with high adaptability. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a schematic diagram of the fixing frame structure of this utility model;

[0023] Figure 3 This is a schematic diagram of the installation structure of the displacement component of this utility model;

[0024] Figure 4 This is a schematic diagram of the installation structure of the cutting component of this utility model;

[0025] Figure 5 This utility model Figure 4 Enlarged structural diagram at point A in the middle;

[0026] Figure 6 This is a schematic diagram of the installation structure of the second displacement component of this utility model;

[0027] Figure 7 This is a schematic diagram of the installation structure of the guide wheel assembly of this utility model.

[0028] The components include: 1. Support assembly; 2. Extending machine; 3. Fixing frame; 4. Shifting assembly one; 401. Fixing seat one; 402. Motor one; 403. Transmission screw; 404. Connecting block; 405. Connecting frame; 406. Slider; 407. Slide rod one; 5. Cutting assembly; 501. Fixing plate one; 502. Cylinder one; 503. Moving plate one; 504. Slide rod two; 505. Fixing seat two; 506. Motor two; 507. Fixing block one; 508. 509. Insert block; 510. Positioning block; 511. Cutting disc; 512. Positioning groove; 513. Limiting groove one; 514. Cover plate; 515. Limiting block; 516. Slot; 517. Threaded hole one; 518. Limiting groove two; 519. Threaded hole two; 510. Bolt; 6. Shifting assembly two; 7. Guide wheel assembly; 701. Fixing plate two; 702. Cylinder two; 703. Moving plate two; 704. Slide rod three; 705. Guide wheel body; 8. Reinforcing plate body. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1

[0030] like Figure 1-7 As shown, the present invention provides a cutting mechanism for producing reinforcing plates, including a support assembly 1 and a reinforcing plate body 8, as well as an extension machine 2 and a fixing frame 3 fixedly installed at the top of the support assembly 1. A displacement assembly 4 is fixedly installed at the top of the fixing frame 3, and a cutting assembly 5 is fixedly installed on the outer wall of the displacement assembly 4. A displacement assembly 6 is fixedly installed at the end of the fixing frame 3 away from the displacement assembly 4, and a guide wheel assembly 7 is fixedly installed on the outer wall of the displacement assembly 6.

[0031] Specifically, the shifting component 4 includes a fixed base 401, a motor 402, a transmission screw 403, a connecting block 404, a connecting frame 405, a slider 406, and a slide rod 407. The motor 402 is fixedly installed on the outer wall of the fixed base 401. The transmission screw 403 is fixedly installed at the output end of the motor 402. The connecting block 404 is threadedly connected to the outer wall of the transmission screw 403. The connecting frame 405 is fixedly installed on the outer wall of the connecting block 404. The slider 406 is fixedly installed at one end of the connecting frame 405 near the connecting block 404. The slide rod 407 is fixedly installed at one end of the fixed frame 3 near the transmission screw 403. The transmission screw 403 is a bidirectional screw. The slider 406 and the slide rod 407 are slidably connected. The connecting frame 405 is fixedly installed with the cutting component 5. The shifting component 4 has the same structure as the shifting component 6. The advantage is that when the operator starts the motor 402, the output end of the motor 402 rotates, which drives the transmission screw 403 to rotate. The rotation of the transmission screw 403 drives the connecting block 404 to move, thereby driving the cutting component 5 to move. Similarly, the shifting component 6 can drive the guide wheel component 7 to move. Through the cooperation of the shifting component 4 and the shifting component 6, it is easy to adjust the cutting position of the cutting component 5, thereby producing reinforcing plate bodies 8 of different widths, with high adaptability.

[0032] Specifically, the cutting assembly 5 includes a fixed plate 501, a cylinder 502, a moving plate 503, a slide rod 504, a fixed base 505, a motor 506, a fixed block 507, an insert block 508, a positioning block 509, a cutting disc 510, a positioning groove 511, a limiting groove 512, a cover plate 513, a limiting block 514, a slot 515, a threaded hole 516, a limiting groove 517, a threaded hole 518, and a bolt 519. A cylinder 502 is fixedly installed at the top of 01. A movable plate 503 is fixedly installed at the movable end of the cylinder 502. A slide rod 504 is fixedly installed on the side of the movable plate 503 near the fixed plate 501. A fixed seat 505 is fixedly installed on the side of the movable plate 503 away from the fixed plate 501. A motor 506 is fixedly installed on the outer wall of the fixed seat 505. A fixed block 507 is fixedly installed at the output end of the motor 506. A plug 508 is fixedly installed at the end of the fixed block 507 away from the motor 506. A positioning block 509 is fixedly installed on the outer wall of the plug 508. A cutting blade 510 is provided at the end of the fixed block 507 away from the motor 506. A positioning groove 511 and a limiting groove 512 are formed on the outer wall of the cutting blade 510. A cover plate 513 is provided on the side of the cutting blade 510 away from the fixed block 507. A limiting block 514 is fixedly installed on the side of the cover plate 513 near the cutting blade 510. The plate 513 has a slot 515 and a threaded hole 516 on the side near the cutting blade 510. The fixing block 507 has a limit groove 517 on the side near the cutting blade 510. The insert block 508 has a threaded hole 518 on the end near the cover plate 513. The cover plate 513 away from the cutting blade 510 is threaded with a bolt 519 that matches the threaded hole 516 and the threaded hole 518. The sliding rod 504 is slidably connected to the fixing plate 501. The advantage is that when the operator starts the cylinder 502, the movable end of the cylinder 502 extends and moves the moving plate 503 downward, thereby moving the cutting blade 510 downward. When it moves to the appropriate position, the motor 506 is started. The output shaft of the motor 506 rotates and drives the cutting blade 510 to rotate, which can realize the cutting of the reinforcing plate body 8.

[0033] Specifically, the cutting disc 510 is compatible with the insert block 508, and the positioning block 509 and the positioning groove 511 are plugged in. The advantage is that the operator can quickly position the cutting disc 510 by inserting the insert block 508 into the cutting disc 510 and simultaneously inserting the positioning block 509 into the positioning groove 511. This eliminates the need for complex calibration operations, ensuring accurate relative positioning between the cutting disc 510 and the insert block 508, improving installation efficiency, reducing labor and time costs, and making it highly practical. Example 2

[0034] like Figure 2-7As shown, as an improvement on the previous embodiment, to further facilitate the installation of the cover plate 513, specifically, the insert block 508 and the slot 515 are plugged into each other, and the limiting block 514 extends through the limiting groove 1 512 into the interior of the limiting groove 2 517. The advantage is that after the cutting disc 510 is quickly positioned, the operator inserts the insert block 508 into the slot 515, allowing the limiting block 514 to extend through the limiting groove 1 512 into the interior of the limiting groove 2 517. This enables rapid positioning of the cover plate 513 and rapid limiting of the cutting disc 510, facilitating maintenance or replacement after prolonged use.

[0035] Specifically, bolt 519 extends through threaded hole 516 into threaded hole 518, with threaded hole 516 and threaded hole 518 having the same diameter. The advantage is that after quickly positioning cover plate 513, workers can quickly fix cover plate 513 by extending bolt 519 through threaded hole 516 into threaded hole 518, facilitating quick assembly and disassembly during use or assembly.

[0036] Specifically, the guide wheel assembly 7 includes a fixed plate 701, a cylinder 702, a movable plate 703, a slide rod 704, and a guide wheel body 705. The cylinder 702 is fixedly installed at the bottom end of the fixed plate 701, and the movable plate 703 is fixedly installed at the sliding end of the cylinder 702. The slide rod 704 is fixedly installed on the side of the movable plate 703 near the slide rod 704. The guide wheel body 705 is rotatably installed on the outer wall of the movable plate 703. The slide rod 704 is slidably connected to the fixed plate 701. Two identical guide wheel bodies 705 are provided, and the two guide wheel bodies 705 are distributed in a front-to-back manner. The advantage is that when the operator starts cylinder 2 702, the movable end of cylinder 2 702 extends and drives the moving plate 2 703 to move, thereby driving the guide wheel body 705 to move, so that the guide wheel body 705 abuts against the reinforcing plate body 8. When the stretching machine 2 drives the reinforcing plate body 8 to move, it plays a guiding role, and at the same time, it facilitates the cutting component 5 to perform cutting work, which is highly practical.

[0037] Working principle: During installation, the operator inserts the insert block 508 into the cutting disc 510 and simultaneously inserts the positioning block 509 into the positioning groove 511. This allows for rapid positioning of the cutting disc 510 without complex calibration operations, ensuring accurate relative positioning between the cutting disc 510 and the insert block 508, improving installation efficiency, reducing labor and time costs, and demonstrating high practicality. After quickly positioning the cover plate 513, the operator inserts the bolt 519 through the threaded hole 516 to the threaded hole 518, thus securing the cover plate. The quick-fixing of plate 513 facilitates rapid assembly and disassembly during use or assembly. When the operator activates cylinder 702, the extended end of cylinder 702 moves plate 703, which in turn moves guide wheel 705, causing it to contact the reinforcing plate 8. This provides guidance when the stretching machine 2 moves the reinforcing plate 8, and also facilitates cutting by the cutting component 5. It is highly practical. During use, the operator activates cylinder 502, which extends... The movable plate 503 moves downward, causing the cutting disc 510 to move downward. When it reaches the appropriate position, the motor 506 is activated. The output shaft of the motor 506 rotates, driving the cutting disc 510 to rotate, thus cutting the reinforcing plate body 8. Simultaneously, the operator activates the cylinder 702. The movable end of the cylinder 702 extends, causing the movable plate 703 to move, which in turn moves the guide wheel body 705, causing it to come into contact with the reinforcing plate body 8. This process, when the stretching machine 2 drives the reinforcing plate body 8 to move, serves to... The guide function also facilitates the cutting of the cutting component 5, making it highly practical. Before use, the operator starts the motor 402. The output of the motor 402 rotates, which drives the transmission screw 403 to rotate. The rotation of the transmission screw 403 drives the connecting block 404 to move, thereby moving the cutting component 5. Similarly, the shifting component 6 can drive the guide wheel component 7 to move. Through the cooperation of the shifting component 4 and the shifting component 6, the cutting position of the cutting component 5 can be easily adjusted, thereby producing reinforcing plate bodies 8 of different widths, with high adaptability.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cutting mechanism for producing reinforcing plates, comprising a support assembly (1) and a reinforcing plate body (8), and an extension machine (2) and a fixing frame (3) fixedly mounted on the top of the support assembly (1), characterized in that: The top of the fixed frame (3) is fixedly installed with a displacement component one (4), the outer wall of the displacement component one (4) is fixedly installed with a cutting component (5), the end of the fixed frame (3) away from the displacement component one (4) is fixedly installed with a displacement component two (6), and the outer wall of the displacement component two (6) is fixedly installed with a guide wheel component (7).

2. The cutting mechanism for producing reinforcing plates according to claim 1, characterized in that: The displacement assembly 1 (4) includes a fixed base 1 (401), a motor 1 (402), a transmission screw 1 (403), a connecting block 404, a connecting frame 405, a slider 1 (406), and a sliding rod 1 (407). The motor 1 (402) is fixedly installed on the outer wall of the fixed base 1 (401). The transmission screw 1 (403) is fixedly installed on the output end of the motor 1 (402). The connecting block 404 is threadedly connected to the outer wall of the transmission screw 1 (403). The outer wall of the connecting block 1 (404) is fixedly connected to the connecting block 404. A connecting frame (405) is fixedly installed. A slider (406) is fixedly installed at one end of the connecting frame (405) near the connecting block (404). A slide rod (407) is fixedly installed at one end of the fixed frame (3) near the transmission screw (403). The transmission screw (403) is a bidirectional screw. The slider (406) and the slide rod (407) are slidably connected. The connecting frame (405) and the cutting assembly (5) are fixedly installed. The shifting assembly (4) and the shifting assembly (6) have the same structure.

3. The cutting mechanism for producing reinforcing plates according to claim 1, characterized in that: The cutting assembly (5) includes a fixed plate (501), a cylinder (502), a moving plate (503), a slide rod (504), a fixed seat (505), a motor (506), a fixed block (507), an insert block (508), a positioning block (509), a cutting disc (510), a positioning groove (511), a limiting groove (512), a cover plate (513), a limiting block (514), a slot (515), a threaded hole (516), a limiting groove (517), a threaded hole (518), and a bolt (519). The fixed plate (501) includes a fixed plate (502), a cylinder (502), a moving plate (503), a sliding rod (504), a fixed seat (505), a motor (506), a fixed block (507), a cylinder (502), a moving plate (503), a sliding rod (504), a sliding seat (505), a motor (506), a fixed block (507), a cylinder (508), a positioning block (509), a cutting disc (510), a positioning groove (511), a limiting groove (512), a cover plate (513), a limiting block (514), a slot (515), a threaded hole (516), a threaded hole (517), a threaded hole (518), and a bolt (519). 1) A cylinder 1 (502) is fixedly installed at the top. A movable plate 1 (503) is fixedly installed at the movable end of the cylinder 1 (502). A slide rod 2 (504) is fixedly installed on the side of the movable plate 1 (503) close to the fixed plate 1 (501). A fixed seat 2 (505) is fixedly installed on the side of the movable plate 1 (503) away from the fixed plate 1 (501). A motor 2 (506) is fixedly installed on the outer wall of the fixed seat 2 (505). A fixed block 1 (507) is fixedly installed at the output end of the motor 2 (506). The fixed block 1 (507) is far from the output end of the fixed plate 2 (507). A plug (508) is fixedly installed at one end away from motor 2 (506). A positioning block (509) is fixedly installed on the outer wall of the plug (508). A cutting blade (510) is provided at the end of the fixing block 1 (507) away from motor 2 (506). A positioning groove (511) and a limiting groove 1 (512) are provided on the outer wall of the cutting blade (510). A cover plate (513) is provided on the side of the cutting blade (510) away from the fixing block 1 (507). A limiting block (514) is fixedly installed on the side of the cover plate (513) close to the cutting blade (510). The plate (513) has a slot (515) and a threaded hole (516) on the side near the cutting blade (510). The fixing block (507) has a limiting groove (517) on the side near the cutting blade (510). The insert (508) has a threaded hole (518) on the end near the cover plate (513). The cover plate (513) away from the cutting blade (510) is threaded with a bolt (519) that matches the threaded hole (516) and the threaded hole (518). The sliding rod (504) is slidably connected to the fixing plate (501).

4. The cutting mechanism for producing reinforcing plates according to claim 3, characterized in that: The cutting blade (510) is adapted to the insert block (508), and the positioning block (509) and the positioning groove (511) are installed by insertion.

5. A cutting mechanism for producing reinforcing plates according to claim 3, characterized in that: The insert (508) and the slot (515) are plugged in and installed together. The limiting block (514) extends through the limiting groove one (512) and into the interior of the limiting groove two (517).

6. A cutting mechanism for producing reinforcing plates according to claim 3, characterized in that: The bolt (519) extends through threaded hole one (516) into the interior of threaded hole two (518), the threaded hole one (516) and threaded hole two (518) having the same diameter.

7. A cutting mechanism for producing reinforcing plates according to claim 1, characterized in that: The guide wheel assembly (7) includes a fixed plate two (701), a cylinder two (702), a movable plate two (703), a slide rod three (704), and a guide wheel body (705). The cylinder two (702) is fixedly installed at the bottom end of the fixed plate two (701). The movable plate two (703) is fixedly installed at the sliding end of the cylinder two (702). The slide rod three (704) is fixedly installed on the side of the movable plate two (703) near the slide rod three (704). The guide wheel body (705) is rotatably installed on the outer wall of the movable plate two (703). The slide rod three (704) is slidably connected to the fixed plate two (701). There are two identical guide wheel bodies (705), and the two guide wheel bodies (705) are distributed in a front-to-back manner.

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