Tooth plate surface sand blasting device

Abstract

The invention belongs to the technical field of dental plate sand blasting, and particularly relates to a dental plate surface sand blasting device. The device comprises a sand blasting box and two groups of rotating roller parts which are distributed in the sand blasting box in parallel, and further comprises limiting side plates arranged on the two sides of the rotating roller parts, two groups of front and rear baffle parts are arranged on the two groups of limiting side plates, the two groups of limiting side plates are close to the side surfaces of a tooth plate, and the two groups of front and rear baffle parts are close to the front and rear surfaces of the tooth plate; the two groups of front and rear baffle parts are connected through a butt-joint transverse plate, and an adjusting mechanism for adjusting the distance between the two groups of front and rear baffle parts is arranged between the front and rear baffle parts and the butt-joint transverse plate. A four-direction surrounding type shielding structure for the tooth plate is formed through the limiting side plates on the two sides of the rotating roller part and the two sets of front and rear baffle parts, only the tooth grain surface on the top of the tooth plate is exposed for sand blasting, sand flow is structurally and thoroughly prevented from being splashed to the side faces, the front and rear end faces and the bottom mounting face of the tooth plate, and the matching size and the mounting precision of the tooth plate are effectively protected; and the sandblasting damage rejection rate of the dental plate is reduced.

Description

Technical Field

[0001] This invention relates to the field of tooth plate sandblasting technology, specifically to a tooth plate surface sandblasting device. Background Technology

[0002] The thread rolling die is the core mold for thread processing. The cleanliness and roughness of its thread surface directly affect the thread processing accuracy and the service life of the die. Therefore, sandblasting is a key process in the thread rolling die processing. Only the thread surface should be sandblasted, and the mounting surface, side surface and front and rear end face should be strictly protected to avoid the sandblasting affecting the die mating dimensions and installation accuracy.

[0003] For conventional sandblasting machines, such as round tube sandblasting machines, the workpiece is supported by two sets of round tubes and moved from one side to the other by friction. During the movement, the upper nozzle sandblasts the workpiece below. For the above sandblasting machines, there is a lack of a dedicated limiting and shielding structure. During the sandblasting process, the non-machined surface of the tooth plate is easily damaged by sandblasting, resulting in a decrease in the installation and fitting accuracy of the tooth plate, or even direct scrapping.

[0004] Therefore, we propose a sandblasting device for the surface of a toothed plate to solve the above problems. Summary of the Invention

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this invention provides a sandblasting device for the surface of a toothed plate. This solves the problem mentioned in the background section regarding conventional sandblasting machines, such as tube-type sandblasting machines. These machines support the workpiece with two sets of tubes and move it from one side to the other by friction. During the movement, the upper nozzle sandblasts the lower workpiece. However, these machines lack a dedicated limiting and shielding structure, which can easily cause sandblasting damage to the non-machined surfaces of the toothed plate, leading to a decrease in the installation and fitting accuracy of the toothed plate, or even its complete scrapping.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, the present invention specifically adopts the following technical solution:

[0009] A sandblasting device for a toothed plate surface includes a sandblasting box and two sets of parallel rotating rollers inside the sandblasting box. The rotating rollers also include limiting side plates on both sides, and two sets of front and rear baffles on the limiting side plates, such that the limiting side plates are close to the side surface of the toothed plate, and the front and rear baffles are close to the front and rear surfaces of the toothed plate. The two sets of front and rear baffles are connected by a connecting horizontal plate, and an adjustment mechanism for adjusting the distance between the two sets of front and rear baffles is provided between the front and rear baffles and the connecting horizontal plate.

[0010] Furthermore, the front of the sandblasting box is equipped with an observation cover, the rear of the sandblasting box is equipped with a dust collection component, and the top of the sandblasting box is equipped with a discharge funnel that communicates with the inner cavity.

[0011] Furthermore, a feeding bin is installed on the side of the sandblasting box, and a discharging bin is installed on the other side of the sandblasting box. Motor drive assemblies for driving the two sets of rotating rollers are installed on the sides of the feeding bin. Two sets of opposing guide plates are installed on the inner side of the feeding bin, and the top of the guide plates is inclined. Limiting slide rods that can drive the guide plates to move laterally and provide stable movement of the guide plates are installed on the back of the guide plates. The two ends of the two sets of limiting side plates extend into the range of the feeding bin and the discharging bin, respectively.

[0012] Furthermore, the adjustment mechanism includes a plug-in side plate and a horizontal plate slot, wherein the horizontal plate slot is opened at equal intervals on the mating horizontal plate, and the plug-in side plate is fixed on the bent plate integrally formed on the side of the front and rear baffles. The plug-in side plate can be inserted into the horizontal plate slot at different positions to complete the adjustment of the distance between the two sets of front and rear baffles.

[0013] Furthermore, the bottom of the plug-in side plate is also fixed with a top support plate that can support the bottom of the docking horizontal plate. The docking horizontal plate is also provided with a top buckle groove. The surface of the plug-in side plate is connected to a buckle plate through a rotating shaft. The front bent part of the buckle plate can be inserted into the top buckle groove to improve the connection stability.

[0014] Furthermore, a manual pressure plate is connected to the other end of the rotating shaft, and a seat plate is reinforced to the side of the plug-in side plate by bolts. An arc-shaped spring connected to the manual pressure plate is detachably connected to the seat plate.

[0015] Furthermore, a support slide is fixedly provided on the outer wall of the limiting side plate, and the bottom of the bent plate is provided with an inclined surface that slides and fits against the support slide.

[0016] Furthermore, the side of the limiting side plate is integrally formed with a side probe plate on one side, wherein the side probe plate is connected to a support column plate via a connector, the side probe plate has a round hole, and the surface of the connector is fixed with a positioning insert shaft that can be rotated and connected in the round hole.

[0017] Furthermore, the outer wall of the positioning insert shaft is provided with angle limiting holes in a ring array. One side of the positioning insert shaft is provided with a limiting side plate that can be inserted into the angle limiting hole slot to lock the rotation angle of the positioning insert shaft. A drag plate is connected to the rear of the limiting side plate, and the bottom of the drag plate is slidably connected to the movable cross chamber. A durable spring is provided between the drag plate and the movable cross chamber, and the limiting side plate is driven to move towards the positioning insert shaft by the durable spring.

[0018] Furthermore, a height-adjustable carrier plate is fixedly installed on the top side of the support column plate. A bidirectional motor is installed on the height-adjustable carrier plate, and the two shaft ends of the bidirectional motor are respectively connected to bidirectional self-locking threaded rods for adjusting the lateral position of the support column plate. A mounting main plate is installed on the side of the height-adjustable carrier plate. A slide groove is longitudinally opened on the mounting main plate. A carrier plate slider that slides longitudinally along the slide groove is fixedly installed on the side of the height-adjustable carrier plate. A self-locking electric push rod that is connected to the top of the height-adjustable carrier plate and can drive the height-adjustable carrier plate to move longitudinally is reinforced on the surface of the mounting main plate by bolts.

[0019] (III) Beneficial Effects

[0020] Compared with the prior art, the present invention provides a sandblasting device for tooth plate surfaces, which has the following beneficial effects:

[0021] The present invention forms a four-way surrounding shielding structure for the tooth plate by using the limiting side plates on both sides of the rotating roller and two sets of front and rear baffles. Only the toothed surface at the top of the tooth plate is exposed for sandblasting. Structurally, it completely avoids sand splashing to the sides, front and rear ends and bottom mounting surface of the tooth plate, effectively protecting the mating dimensions and installation accuracy of the tooth plate and reducing the scrap rate of the tooth plate due to sandblasting damage.

[0022] The adjustment mechanism between the front and rear baffles and the connecting horizontal plate can flexibly adjust the distance between the two sets of front and rear baffles by inserting the side plate into the horizontal plate slots at different positions, adapting to tooth plates of different lengths; the limiting side plate can achieve multi-dimensional adjustment of angle, height, and lateral position, which can not only fit the inclined side of the trapezoidal tooth plate, but also adapt to tooth plates of different widths and thicknesses. At the same time, with front and rear baffles of different shapes, it can meet the sandblasting needs of tooth plates with different cross-sectional shapes such as rectangular and trapezoidal. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of the present invention;

[0024] Figure 2 This is a side view of the present invention;

[0025] Figure 3 This is a cross-sectional view of the feeding hopper of the present invention;

[0026] Figure 4 This is an internal view of the sandblasting box of the present invention;

[0027] Figure 5 This is an enlarged view of point A in the present invention;

[0028] Figure 6 This is a bottom view of the docking cross plate of the present invention;

[0029] Figure 7 This is a side view of the supporting column plate of the present invention;

[0030] Figure 8This is an enlarged view of the buckle plate of the present invention;

[0031] Figure 9 This is an enlarged view of the supporting column plate of the present invention;

[0032] Figure 10 These are schematic diagrams of the external structures of the front and rear baffles of the present invention.

[0033] In the diagram: 1. Sandblasting box; 2. Observation front cover; 3. Feeding bin; 4. Guide plate; 5. Limiting slide bar; 6. Trapezoidal self-locking threaded rod; 7. Discharge funnel; 8. Dust collection assembly; 9. Rotary roller section; 10. Motor drive assembly; 11. Limiting side plate; 12. Front and rear baffle sections; 13. Bending plate; 14. Insertion side plate; 15. Connecting horizontal plate; 16. Horizontal plate slot; 17. Top buckle groove; 18. Support slide; 19. Top support plate; 20. Buckle plate 21. Rotary shaft; 22. Manual pressure plate; 23. Arc spring; 24. Side probe plate; 25. Support column plate; 26. Connector; 27. Positioning insert shaft; 28. Angle limit hole; 29. ​​Limiting side plate; 30. Movable cross chamber; 31. Traction plate; 32. Two-way self-locking threaded rod; 33. Two-way motor; 34. Assembly main board; 35. Height adjustment carrier plate; 36. Carrier plate slider; 37. Self-locking electric push rod; 38. Discharge chamber. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] Example

[0036] like Figure 1-10 As shown, an embodiment of the present invention provides a sandblasting device for a toothed plate surface, comprising a sandblasting box 1 and two sets of parallel rotating rollers 9 inside the sandblasting box 1. A feeding bin 3 is installed on one side of the sandblasting box 1, and a discharge bin 38 is installed on the other side of the sandblasting box 1. A motor drive assembly 10 for driving the two sets of rotating rollers 9 to rotate is installed on the side of the feeding bin 3. The two ends of the two sets of rotating rollers 9 extend into the feeding bin 3 and the discharge bin 38, respectively. Driven by the motor drive assembly 10, the other end of the rotating roller 9 rotates and sits on the side wall of the discharge bin 38. When the toothed plate to be sandblasted is placed on the rotating roller 9, the rotating roller 9 can be driven to move from the feeding bin 3 side to the discharge bin 38 side. A sandblasting gun head is set above the two sets of rotating rollers 9 inside the sandblasting box 1 to perform sandblasting on the top surface of the toothed plate.

[0037] The front end of the sandblasting box 1 is equipped with an observation cover 2 for observation, the back of the sandblasting box 1 has a dust collection component 8, and the bottom of the sandblasting box 1 has a discharge funnel 7 that communicates with the cavity for dust removal and material discharge, respectively; and the device has a built-in control panel and control module.

[0038] The above section describes the conventional technical structure of a round tube sandblasting machine; related control and sandblasting structures will not be elaborated upon further.

[0039] The difference is that limiting side plates 11 are provided on both sides of the rotating roller section 9. Since there are windows on both sides of the sandblasting box 1, the length of the two sets of limiting side plates 11 is greater than the width of the sandblasting box 1, so that the two ends of the two sets of limiting side plates 11 extend into the cavity of the rotating roller section 9 and the discharge chamber 38 respectively, and do not intersect with other parts in the feeding chamber 3 and the discharge chamber 38.

[0040] Since the toothed plate needs to be placed on the feeding bin 3, two sets of opposing guide plates 4 are installed on the inner side of the feeding bin 3. The top of the guide plate 4 is inclined. Limiting slide rods 5 are installed on the back of the guide plates 4 to drive the guide plates 4 to move laterally and to provide stable movement of the guide plates 4. Figure 5 As shown, the top slope of the guide plate 4 is used to guide the toothed plate, so that the bottom side of the toothed plate slides down along the top slope of the guide plate 4 to the position above the two sets of rotating rollers 9. The side of the feeding bin 3 has a high-strength threaded seat, so that the trapezoidal self-locking threaded rod 6 is screwed into the threaded seat, and the front end of the trapezoidal self-locking threaded rod 6 is rotatably connected to the guide plate 4 and axially limited. In this way, the distance between the two sets of guide plates 4 can be adjusted to adapt to the actual toothed plate size.

[0041] like Figure 4 As shown, the two sets of limiting side plates 11 are provided with two sets of front and rear baffles 12, so that the two sets of limiting side plates 11 are close to the side of the tooth plate, and the two sets of front and rear baffles 12 are close to the front and rear of the tooth plate. Since the tooth plate can only be sandblasted on the tooth surface when it is being sprayed, the limiting side plates 11 on both sides are designed to limit the movement of the tooth plate on both sides and to cover the sides of the tooth plate. The two sets of front and rear baffles 12 can cover the front and rear sides of the tooth plate. The front and rear baffles 12 have a certain hanging length to cover the tooth plate to a certain extent, thereby surrounding the tooth plate and leaving the top of the tooth plate exposed for sandblasting.

[0042] To achieve the above structural fit, a support slide 18 protruding to one side is fixedly provided on the side wall of the limiting side plate 11. The front and rear baffle portions 12 are integrally formed with bent plates 13 at both ends. The bottom of the bent plates 13 has a slope that is adapted to slide with the support slide 18. In actual use, the forward movement of the toothed plate pushes the front front and rear baffle portions 12 to move forward, and the rear front and rear baffle portions 12 move synchronously through the connection of the docking horizontal plate 15. There is an adjustment mechanism between the front and rear baffle portions 12 and the docking horizontal plate 15 to adjust the distance between the two sets of front and rear baffle portions 12.

[0043] The adjustment mechanism includes a plug-in side plate 14 and a horizontal plate slot 16. The horizontal plate slots 16 are evenly spaced laterally on the mating horizontal plate 15. The plug-in side plate 14 is fixed to the side of the front and rear baffle portions 12. The plug-in side plate 14 can be inserted into the horizontal plate slots 16 at different positions to adjust the distance between the two sets of front and rear baffle portions 12. Figure 5 as well as Figure 6 As shown, since multiple sets of horizontally spaced slots 16 are arranged, the horizontally spaced slots 16 at different positions can be inserted into the insertion side plate 14 to adjust the spacing between the two sets of front and rear baffles 12. This can be adapted to the actual size of the toothed plate. The mating horizontal plate 15 is divided into upper and lower parts, and the two parts are connected by a connecting plate at the center to maintain unity. Therefore, when the slots 16 of the upper and lower sets of mating horizontal plates 15 are inserted into the insertion side plate 14, the two sets of front and rear baffles 12 at the front and rear of the toothed plate can be kept parallel. It is worth noting that the insertion side plate 14 is inserted into the slot of the horizontally spaced slot 16, and the front and rear baffles 12, the insertion side plate 14, and the mating horizontal plate 15 are all made of aluminum alloy or nylon, which has a light weight. Under the action of friction, the toothed plate has the force to push the front and rear baffles 12 and the mating horizontal plate 15 to move.

[0044] In the above-mentioned configuration, the bottom of the plug-in side plate 14 is also fixedly provided with a top support plate 19 that can support the bottom of the docking horizontal plate 15. The docking horizontal plate 15 is also provided with a top buckle groove 17. The surface of the plug-in side plate 14 is connected to a buckle plate 20 through a rotating shaft 21. The front bent part of the buckle plate 20 can be inserted into the top buckle groove 17 to improve the connection stability. The other shaft end of the rotating shaft 21 is connected to a manual pressure plate 22. The side of the plug-in side plate 14 is reinforced with a seat plate by bolts. An arc spring 23 connected to the manual pressure plate 22 is detachably connected to the seat plate. Figure 8 As shown, the arc spring 23 provides elastic support to the manual pressure plate 22, so that the front bent part of the buckle plate 20 is in the position of being inserted into the top buckle groove 17, thereby improving the stability of the insertion connection between the plug-in side plate 14 and the horizontal plate slot 16.

[0045] A side probe plate 24 is integrally formed on one side of the limiting side plate 11. The side probe plate 24 is located below the supporting slide 18, and the insert side plate 14 extends to one side to avoid affecting the movement of the front and rear baffles 12 and the docking cross plate 15. The side probe plate 24 is connected to the supporting column plate 25 via a connector 26. The side probe plate 24 has a round hole, and a positioning insert shaft 27 that can be rotatably connected within the round hole is fixed on the surface of the connector 26. The outer wall of the positioning insert shaft 27 has angle limiting holes 28 arranged in a ring array. One side of the positioning insert shaft 27 is provided with a limiting side plate 29 that can be inserted into the groove of the angle limiting hole 28 to lock the rotation angle of the positioning insert shaft 27. A drag plate 31 is connected to the rear of the limiting side plate 29, and the bottom of the drag plate 31 is slidably connected to the movable cross chamber 30. A durable spring is provided between the drag plate 31 and the movable cross chamber 30. The durable spring drives the limiting side plate 29 to move towards the positioning insert shaft 27. Figure 9 As shown, the spring-driven drag plate 31 and the limiting side plate 29 inside the movable cross chamber 30 move toward the positioning shaft 27, so that the protrusion at the front end of the limiting side plate 29 can be inserted into the angle limiting hole 28, thus completing the positioning of the angle of the positioning shaft 27.

[0046] The adjustment of the relative angle between the aforementioned supporting column plate 25 and the side probe plate 24 is to allow the limiting side plate 11 to be angled. Due to the different shapes of the toothed plates, some toothed plates adopt a trapezoidal cross-section design with inclined sides. Therefore, through the rotation design of the limiting side plate 11, the side of the limiting side plate 11 is made to fit as close as possible to the inclined side of the toothed plate. It is worth noting that different toothed plates correspond to different front and rear baffle portions 12, such as... Figure 10 As shown, the two sets of front and rear baffles 12 with different shapes correspond to a rectangular toothed plate and a toothed plate with a trapezoidal cross section, respectively.

[0047] A height-adjustable carrier plate 35 is fixedly mounted on the top side of the supporting column plate 25. A bidirectional motor 33 is installed on the height-adjustable carrier plate 35. The two shaft ends of the bidirectional motor 33 are respectively connected to bidirectional self-locking threaded rods 32 for adjusting the lateral position of the supporting column plate 25. A mounting main plate 34 is installed on the side of the height-adjustable carrier plate 35. A longitudinal groove is opened on the mounting main plate 34. A carrier plate slider 36 that slides longitudinally along the groove is fixedly mounted on the side of the height-adjustable carrier plate 35. A self-locking electric push rod 37 that is connected to the top of the height-adjustable carrier plate 35 and can drive the longitudinal movement of the height-adjustable carrier plate 35 is reinforced by bolts on the surface of the mounting main plate 34. Figure 4As shown, the main assembly plate 34 is reinforced on the inner wall of the sandblasting box 1. The height adjustment plate 35 can be moved longitudinally by pushing the self-locking electric push rod 37, which means the height of the support column plate 25 can be adjusted as a whole, thereby adjusting the height of the limiting side plate 11. The bidirectional motor 33 drives the bidirectional self-locking threaded rod 32 to make the spacing of the support column plate 25 adjustable. A bellows cover can be fitted between the support column plate 25 and the bidirectional motor 33 to achieve a sealing effect.

[0048] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A sandblasting device for a toothed plate surface, comprising a sandblasting box (1) and two sets of parallel rotating rollers (9) inside the sandblasting box (1), characterized in that: It also includes that the roller section (9) is provided with limiting side plates (11) on both sides, and two sets of front and rear baffles (12) are provided on the two sets of limiting side plates (11), so that the two sets of limiting side plates (11) are close to the side of the tooth plate, and the two sets of front and rear baffles (12) are close to the front and rear of the tooth plate; the two sets of front and rear baffles (12) are connected by a connecting horizontal plate (15), and there is an adjustment mechanism between the front and rear baffles (12) and the connecting horizontal plate (15) for adjusting the distance between the two sets of front and rear baffles (12).

2. The tooth plate surface sandblasting device according to claim 1, characterized in that: The front end of the sandblasting box (1) is provided with an observation cover (2), the rear of the sandblasting box (1) is provided with a dust collection component (8), and the top of the sandblasting box (1) is provided with a discharge funnel (7) that communicates with the inner cavity.

3. The tooth plate surface sandblasting device according to claim 1, characterized in that: The side of the sandblasting box (1) is equipped with a feeding bin (3), and the other side of the sandblasting box (1) is equipped with a discharge bin (38). The side of the feeding bin (3) is equipped with a motor drive assembly (10) for driving the two sets of rotating rollers (9) to rotate. The inner side of the feeding bin (3) is equipped with two sets of opposing guide plates (4), and the top of the guide plate (4) is inclined. The back of the guide plate (4) is equipped with a limiting slide rod (5) that can drive the guide plate (4) to move laterally and provide stable movement of the guide plate (4). The two ends of the two sets of limiting side plates (11) extend into the range of the feeding bin (3) and the discharge bin (38).

4. The tooth plate surface sandblasting device according to claim 1, characterized in that: The adjustment mechanism includes a plug-in side plate (14) and a horizontal plate slot (16). The horizontal plate slot (16) is opened horizontally at equal intervals on the docking horizontal plate (15). The plug-in side plate (14) is fixed on the bent plate (13) integrally formed on the side of the front and rear baffles (12). The plug-in side plate (14) can be inserted into the horizontal plate slot (16) at different positions to complete the adjustment of the distance between the two sets of front and rear baffles (12).

5. The tooth plate surface sandblasting device according to claim 4, characterized in that: The bottom of the plug-in side plate (14) is also fixed with a top support plate (19) that can support the bottom of the docking horizontal plate (15). The docking horizontal plate (15) is also provided with a top buckle groove (17). The surface of the plug-in side plate (14) is connected to a buckle plate (20) through a rotating shaft rod (21). The front end of the buckle plate (20) can be inserted into the top buckle groove (17) to improve the connection stability.

6. The tooth plate surface sandblasting device according to claim 5, characterized in that: The other end of the rotating shaft (21) is connected to a manual pressure plate (22), and the side of the plug-in side plate (14) is reinforced with a seat plate by bolts. An arc spring (23) connected to the manual pressure plate (22) is detachably connected to the seat plate.

7. The tooth plate surface sandblasting device according to claim 1, characterized in that: The outer wall of the limiting side plate (11) is fixed with a support slide (18), and the bottom of the bent plate (13) is provided with an inclined surface that slides and fits with the support slide (18).

8. The tooth plate surface sandblasting device according to claim 1, characterized in that: The side of the limiting side plate (11) is integrally formed with a side probe plate (24) on one side. The side of the side probe plate (24) is connected to a support column plate (25) via a connector (26). The side probe plate (24) has a round hole, and the surface of the connector (26) is fixed with a positioning insert shaft (27) that can be rotatably connected in the round hole.

9. A toothed plate surface sandblasting device according to claim 8, characterized in that: The outer wall of the positioning shaft (27) is provided with angle limiting holes (28) in a ring array. One side of the positioning shaft (27) is provided with a limiting side plate (29) that can be inserted into the groove of the angle limiting hole (28) to lock the rotation angle of the positioning shaft (27). A drag plate (31) is connected to the rear of the limiting side plate (29). The bottom of the drag plate (31) is slidably connected to the movable cross chamber (30). A durable spring is provided between the drag plate (31) and the movable cross chamber (30). The limiting side plate (29) is driven to move towards the positioning shaft (27) by the durable spring.

10. A toothed plate surface sandblasting device according to claim 9, characterized in that: A height-adjustable carrier plate (35) is fixedly provided on the top side of the support column plate (25). A bidirectional motor (33) is installed on the height-adjustable carrier plate (35). The two shaft ends of the bidirectional motor (33) are respectively connected to bidirectional self-locking threaded rods (32) for adjusting the lateral position of the support column plate (25). A mounting main plate (34) is installed on the side of the height-adjustable carrier plate (35). A slide groove is opened longitudinally on the mounting main plate (34). A carrier plate slider (36) that slides longitudinally along the slide groove is fixedly provided on the side of the height-adjustable carrier plate (35). A self-locking electric push rod (37) that is connected to the top of the height-adjustable carrier plate (35) and can drive the height-adjustable carrier plate (35) to move longitudinally is reinforced on the surface of the mounting main plate (34) by bolts.

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