A carbon product coating roasting production device

Abstract

The present invention discloses a carbon product coating roasting production device, which relates to the technical field of carbon product production and includes a movable part. The movable part includes a conical block, a connecting rod, a connecting rope, a connecting frame and a movable table. There are two groups of conical blocks in total. The connecting rod is fixed on the inner side wall of the conical block, and the connecting rope is wound around the outer surface of the connecting rod. Through the provided movable part in the present invention, when the conical block is subjected to a rotating force, it drives the connecting rod to rotate synchronously, so that the connecting rope fixed on the surface of the connecting rod rotates. The connecting rope continuously curls on the outer surface of the connecting rod, and the distance between the connecting rope and the connecting frame continuously decreases. The connecting wheel moves inside the movable groove. When the conical block stops rotating, the movable table moves to the required position, so that the placing part storing the product moves to one end of the roasting furnace body. By this scheme, through horizontal movement, the position of the placing part can be quickly changed, and thus the product can be quickly processed.

Description

Technical Field

[0001] The present invention relates to the technical field of carbon product production, and specifically to a carbon product coating roasting production device. Background Art

[0002] A carbon product coating roasting production device is a special equipment for carbon product production. Its core function is to perform coating treatment on the green body of carbon products and then carry out roasting. It not only improves product quality and production efficiency but also promotes the sustainable development of enterprises.

[0003] After retrieval, Chinese Patent Publication No. CN219319018U discloses a pusher device for the car-bottom roasting furnace car, including: a furnace shell with a channel at the bottom, and a first driving mechanism is provided on the channel, and the first driving mechanism is connected to a horizontally arranged first gear; a track groove is arranged at one end of several furnace shells; a transport vehicle is movably arranged on the track groove, and a second driving mechanism is provided on the transport vehicle, and the second driving mechanism is connected to a horizontally arranged second gear; a furnace car is provided with a transmission rack at the bottom, and the transmission rack can mesh with the first gear and the second gear. Compared with the prior art, in the present invention, by respectively installing the first gear and the second gear in the channel of the furnace shell and on the top surface of the transport vehicle, and installing a matching transmission gear on the bottom surface of the furnace car, relying on the cooperative transmission of the first gear, the second gear and the transmission rack, the reciprocating pushing of the furnace car on the furnace shell and the transport vehicle can be realized quickly and conveniently, and it has the advantages of simple structure and convenient operation.

[0004] However, the existing technology has the following deficiencies:

[0005] After the existing production device finishes processing, it is necessary to remove the product storage rack on the support platform. Since the support platform has a certain height, it is necessary to use a forklift to move the rack to the required position and place the rack loaded with the product to be processed on the support platform. During this process, only relying on the forklift to move back and forth, the products cannot be processed efficiently. Summary of the Invention

[0006] The purpose of the present invention is to: solve the problem that after the existing production device finishes processing, it is necessary to remove the product storage rack on the support platform. Since the support platform has a certain height, it is necessary to use a forklift to move the rack to the required position and place the rack loaded with the product to be processed on the support platform. During this process, only relying on the forklift to move back and forth, the products cannot be processed efficiently, and provide a carbon product coating roasting production device.

[0007] To achieve the above purpose, the present invention provides the following technical solutions:

[0008] The present invention is a carbon product coating roasting production device, including:

[0009] A production part, the production part comprising a roasting furnace body and a movable door movably connected to the roasting furnace body;

[0010] The movable parts include a conical block, a connecting rod, a connecting rope, a connecting frame and a movable platform; there are two groups of conical blocks, the connecting rod is fixed to the inner wall of the conical block, the connecting rope is wrapped around the outer surface of the connecting rod, the bottom of the connecting rope is knotted and fixed inside the connecting frame, the movable platform is fixed to the outer surface of the connecting frame, and the movable platform is located on one side of the roasting furnace body.

[0011] The connecting rope is limited outside the connecting rod by setting a conical block to prevent the connecting rope from detaching from the outer surface of the connecting rod. The connecting rope is used to connect with the connecting frame. When the connecting rope is retracted, the movable table moves horizontally. By changing the position of the movable table, the shelf storing the products can be quickly moved to the required position.

[0012] As a further solution of the present invention: support columns are fixed on both sides of the bottom of the movable platform, movable grooves are opened inside the support columns, connecting wheels are slidably connected inside the movable grooves, and the upper surfaces of the connecting wheels are fixed to the lower surface of the movable platform.

[0013] By arranging the supporting column, the connecting wheel can move inside the supporting column, and the movable groove is used to make the connecting wheel move in a straight horizontal direction, so that the connecting wheel can easily change the position of the movable platform.

[0014] As a further solution of the present invention: the production part also includes a track fixed on the bottom surface of the roasting furnace body, the outer surface of the track is slidably connected with a movable wheel, and the upper surface of the movable wheel is fixed with a support platform.

[0015] Tracks are provided for the movable wheels to move on their surfaces, and the movable wheels drive the support platform to move horizontally. The surface of the support platform is used for placing the storage rack.

[0016] As a further solution of the present invention: it also includes a connecting piece, which includes a fixed column, a fixed rod, a connecting column, a gear and a rack; the fixed column is fixed to the outer surface of the roasting furnace body, the fixed rod is fixed to the outer surface of the fixed column, the connecting column is fixed to the outer surface of the fixed rod, the gear is rotatably connected to the outer surface of the connecting column, and the rack is meshed with the outer surface of the gear.

[0017] The roasting furnace body is supported and installed by setting a fixed column, and then the fixed rod is supported and installed. The connecting column is used to support and install the gear. When the rack is in position, the gear will rotate outside the connecting column.

[0018] As a further solution of the present invention: a fixing frame is fixed to the outer surface of the rack, the outer surface of the fixing frame is fixed to the movable door, a connecting pipe is fixed to the outer surface of the gear, and the outer surface of the connecting pipe is fixed to the outer surface of the gear.

[0019] A fixing frame is provided to receive and install the rack, and then the movable door is received and installed; a connecting pipe is provided to receive and install the gear, and then the conical block is received and installed.

[0020] As a further solution of the present invention: it also includes a placement piece, the placement piece includes a mounting rod, a connecting frame, a guide wheel, a placement plate and a guide plate; there are four groups of mounting rods in total, the connecting frame is fixed to the inner surface of the bottom end of the mounting rod, the placement plates are fixed to the inner wall of the mounting rod at equal intervals, the guide wheel is fixed to the lower surface of any group of the mounting rods, and the guide plate is fixed to the outer surface of the connecting frame.

[0021] The mounting rods are connected to the placement plate to form a shelf for placing products. The connecting frame is used to stably connect the four sets of mounting rods together. The guide wheels facilitate the pushing force on the mounting rods. The surface of the placement plate is used to place products. The guide plates facilitate the pulling force on the connecting frame, thereby changing the position of the mounting rods.

[0022] As a further solution of the present invention: a guide column is connected through the inside of the guide plate, a guide block is fixed on the upper surface of the guide column, a guide frame is clamped on the outside of the bottom end of the guide column, and the lower surface of the guide frame is fixed to the upper surface of the support platform.

[0023] By inserting the provided guide column into the guide frame, the mounting rod can be restricted to a desired position, and the guide block is used to change the position of the guide column inside the guide plate.

[0024] As a further solution of the present invention: it also includes a moving part, which includes a slide groove, a slider, a movable plate, a support frame, a moving wheel and a support rod; the slide groove is opened inside the two sides of the movable platform, the slider is slidably connected to the inside of the slide groove, the movable plate is fixed to the inner surface of the slider, the support frame is fixed to the outer surfaces on both sides of the bottom end of the movable platform, the moving wheel is slidably connected to the inside of the support frame, and a support rod is fixed between the moving wheel and the movable plate.

[0025] A slide groove is provided for the slider to move inside the slide groove, thereby changing the position of the movable plate inside the movable table; a support frame is used for the moving wheel to move inside the support frame; and a support rod is used to connect the movable plate and the moving wheel together, thereby the desired position of the movable plate can be changed more smoothly.

[0026] As a further solution of the present invention: it also includes a limit member, which includes a mounting column, a limit frame, a mounting frame and a connecting shaft; the mounting column is fixed to the outer surface of the support rod, the limit frame is fixed to the outer surface of both ends of the mounting column, the mounting frame is fixed to the outer surface of the movable platform and the support platform, the limit frame is located inside the mounting frame, and the connecting shaft is fixed to the inner surface of the mounting frame.

[0027] The limit frame is installed by setting the installation column, and the limit frame is used to be inserted into the installation frame to fix the support rod at a desired position, and the connecting shaft is used for the movable column to rotate on its surface.

[0028] As a further solution of the present invention: the outer surface of the connecting shaft is rotatably connected with a movable column, the outer surfaces of the movable platform and the supporting platform are fixed with a mounting plate, and the mounting plate and the movable column are embedded with magnet blocks.

[0029] The movable column is provided to limit the limit frame inside the installation frame, the installation plate is used to limit the movable plate at a desired position, and the magnet block is used to connect the installation plate and the movable column together, so as to facilitate the application of flipping force to the movable column next time.

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] Through the arranged movable parts, when the conical block is subjected to the rotational force, the connecting rod is driven to rotate synchronously, so that the connecting rope fixed on the surface of the connecting rod rotates, the connecting rope is continuously curled on the outer surface of the connecting rod, the distance between the connecting rope and the connecting frame is continuously reduced, and the connecting wheel moves inside the movable groove. When the conical block is no longer rotating, the movable table moves to the required position, so that the placement piece storing the product moves to one end of the roasting furnace body. This scheme can quickly change the position of the placement piece through horizontal movement, so that the product can be processed quickly.

[0032] Based on the first beneficial effect, with the use of the connecting parts, when the roasting furnace body is processed and the movable door moves upward to open, since the outer surface of the movable door is together with the fixed frame, the rack fixed on the surface of the fixed frame is linked to move upward synchronously, and the gear rotates, thereby applying a rotational force to the conical block, thereby achieving the effect of contracting the connecting rope, and when the movable door moves to the top, by applying a pulling force to the guide block, the guide column is separated from the guide frame, and the hook is placed inside the guide plate, and a pulling force is applied to the hook. With the assistance of the guide wheel, the position of the placement piece can be changed. This solution can change the position of the movable table while opening the movable door, thereby quickly adjusting the position of the placement piece.

[0033] Based on beneficial effect one, under the combined use of the moving part and the limiting part, when the movable table moves to the required position, first, under the action of the connecting shaft, a turning force is applied to the movable column. Under the action of the magnet block, the movable column is connected to the mounting plate, and a pushing force is applied to the support rod. While the moving wheel moves inside the support frame, the slider moves inside the sliding groove. When the limiting frame is inserted into the mounting frame, a turning force is applied to the movable column, causing the movable column to move into the limiting frame and the mounting frame, and then the movable plate can be moved between the support table and the movable table. This solution can quickly build a connection platform between the movable table and the support table, thereby stably changing the position of the placed part. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 Is a three-dimensional schematic diagram of the present invention;

[0035] Figure 2 Is a structural diagram of the support column of the present invention;

[0036] Figure 3 Is a cross-sectional view of the connecting part of the present invention;

[0037] Figure 4 Is a cross-sectional view of the movable table of the present invention;

[0038] Figure 5 Is a structural diagram of the support frame of the present invention;

[0039] Figure 6 Is a cross-sectional view of the limiting part of the present invention;

[0040] Figure 7 Is a cross-sectional view of the placed part of the present invention.

[0041] In the figure: 1, production part; 11, roasting furnace body; 12, movable door; 13, track; 14, movable wheel; 15, support table; 2, connecting part; 21, fixed column; 22, fixed rod; 23, connecting column; 24, gear; 25, rack; 26, fixed frame; 27, connecting pipe; 3, movable part; 31, conical block; 32, connecting rod; 33, connecting rope; 34, connecting frame; 35, movable table; 36, connecting wheel; 37, support column; 38, movable groove; 4, moving part; 41, sliding groove; 42, slider; 43, movable plate; 44, support frame; 45, moving wheel; 46, support rod; 5, limiting part; 51, mounting column; 52, limiting frame; 53, mounting frame; 54, connecting shaft; 55, movable column; 56, mounting plate; 57, magnet block; 6, placed part; 61, mounting rod; 62, connecting frame; 63, guide wheel; 64, placing plate; 65, guide plate; 66, guide column; 67, guide block; 68, guide frame. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0042] To make the technical problems, technical solutions, and advantages to be solved by the present invention clearer, the following will be described in detail with reference to the accompanying drawings and specific embodiments.

[0043] Please refer to Figures 1 to 4 , Figure 7 In an embodiment of the present invention, a carbon product coating roasting production device includes: a production part 1, and the production part 1 includes a roasting furnace body 11 and a movable door 12 movably connected to the roasting furnace body 11;

[0044] A movable part 3, and the movable part 3 includes a conical block 31, a connecting rod 32, a connecting rope 33, a connecting frame 34, and a movable table 35; there are two groups of conical blocks 31 in total, the connecting rod 32 is fixed to the inner side wall of the conical block 31, the connecting rope 33 is wound around the outer surface of the connecting rod 32, the bottom of the connecting rope 33 is knotted and fixed inside the connecting frame 34, and the movable table 35 is fixed to the outer surface of the connecting frame 34, and the movable table 35 is located on one side of the roasting furnace body 11;

[0045] Both sides of the bottom end of the movable table 35 are fixed with support columns 37, an activity groove 38 is opened inside the support column 37, a connecting wheel 36 is slidably connected inside the activity groove 38, and the upper surface of the connecting wheel 36 is fixed to the lower surface of the movable table 35;

[0046] The production part 1 further includes a track 13 fixed to the bottom surface of the roasting furnace body 11, an activity wheel 14 is slidably connected to the outer surface of the track 13, and a support table 15 is fixed to the upper surface of the activity wheel 14.

[0047] In this embodiment: when the conical block 31 is subjected to a rotational force, it drives the connecting rod 32 to rotate synchronously, so that the connecting rope 33 fixed to the surface of the connecting rod 32 rotates, the connecting rope 33 is continuously curled on the outer surface of the connecting rod 32, the distance between the connecting rope 33 and the connecting frame 34 is continuously reduced, and the connecting wheel 36 moves inside the activity groove 38. When the conical block 31 stops rotating, the movable table 35 moves to the required position, so that the placing part 6 storing the product moves to one end of the roasting furnace body 11;

[0048] In this step, by horizontal movement, the position of the placing part 6 can be quickly changed, so that the product can be quickly processed.

[0049] Please pay special attention to Figures 1 to 3 , and it further includes a connecting part 2, and the connecting part 2 includes a fixed column 21, a fixed rod 22, a connecting column 23, a gear 24, and a rack 25; the fixed column 21 is fixed to the outer surface of the roasting furnace body 11, the fixed rod 22 is fixed to the outer surface of the fixed column 21, the connecting column 23 is fixed to the outer surface of the fixed rod 22, the gear 24 is rotatably connected to the outer surface of the connecting column 23, and the rack 25 is engaged with the outer surface of the gear 24;

[0050] A fixing frame 26 is fixed on the outer surface of the rack 25. The outer surface of the fixing frame 26 is fixed to the movable door 12. A connecting pipe 27 is fixed on the outer surface of the gear 24, and the outer surface of the connecting pipe 27 is fixed to the outer surface of the gear 24;

[0051] It further includes a placing member 6, and the placing member 6 includes a mounting rod 61, a connecting frame 62, a guide wheel 63, a placing plate 64 and a guide plate 65. A total of four groups of mounting rods 61 are provided. A connecting frame 62 is fixed on the inner surface of the bottom end of the mounting rod 61. Placing plates 64 are fixed on the inner side wall of the mounting rod 61 at equal intervals. The guide wheel 63 is fixed on the lower surface of any one group of mounting rods 61, and the guide plate 65 is fixed on the outer surface of the connecting frame 62;

[0052] A guide column 66 penetrates through the inside of the guide plate 65. A guide block 67 is fixed on the upper surface of the guide column 66. The bottom end of the guide column 66 is clamped with a guide frame 68, and the lower surface of the guide frame 68 is fixed to the upper surface of the support table 15.

[0053] In this embodiment: When the roasting furnace body 11 is processed and completed, when the movable door 12 moves upward to open, since the outer surface of the movable door 12 is together with the fixing frame 26, the rack 25 fixed on the surface of the fixing frame 26 is driven to move upward synchronously, and the gear 24 rotates, thereby applying a rotating force to the conical block 31 to achieve the effect of contracting the connecting rope 33. And when the movable door 12 moves to the top, by applying a pulling force to the guide block 67, the guide column 66 is separated from the inside of the guide frame 68, the hook is placed inside the guide plate 65, and a pulling force is applied to the hook. With the auxiliary action of the guide wheel 63, the position of the placing member 6 can be changed;

[0054] In this step, the position of the movable table 35 can be changed while the movable door 12 is opened, so that the position of the placing member 6 can be quickly adjusted.

[0055] Please refer to Figure 1 、 Figure 2 、 Figures 4 - 6 It further includes a moving member 4, and the moving member 4 includes a sliding groove 41, a sliding block 42, a movable plate 43, a support frame 44, a moving wheel 45 and a support rod 46. The sliding groove 41 is opened inside both sides of the movable table 35. The sliding block 42 is slidably connected to the inside of the sliding groove 41. The movable plate 43 is fixed to the inner surface of the sliding block 42. The support frame 44 is fixed to the outer surfaces of both sides of the bottom end of the movable table 35. The moving wheel 45 is slidably connected to the inside of the support frame 44. A support rod 46 is fixed between the moving wheel 45 and the movable plate 43;

[0056] It further includes a limiting member 5, and the limiting member 5 includes a mounting post 51, a limiting frame 52, a mounting frame 53 and a connecting shaft 54; the mounting post 51 is fixed on the outer surface of the support rod 46, the limiting frame 52 is fixed on the outer surfaces at both ends of the mounting post 51, the mounting frame 53 is fixed on the outer surfaces of the movable table 35 and the support table 15, the limiting frame 52 is located inside the mounting frame 53, and the connecting shaft 54 is fixed on the inner surface of the mounting frame 53;

[0057] A movable column 55 is rotatably connected to the outer surface of the connecting shaft 54, mounting plates 56 are fixed on the outer surfaces of the movable table 35 and the support table 15, and magnet blocks 57 are embedded in the mounting plates 56 and the movable column 55.

[0058] In this embodiment: when the movable table 35 moves to the required position, first, under the action of the connecting shaft 54, a turning force is applied to the movable column 55. Under the action of the magnet block 57, the movable column 55 is connected to the mounting plate 56, and a pushing force is applied to the support rod 46. While the moving wheel 45 moves inside the support frame 44, the slider 42 moves inside the sliding groove 41. When the limiting frame 52 is inserted into the mounting frame 53, a turning force is applied to the movable column 55, so that the movable column 55 moves into the limiting frame 52 and the mounting frame 53, and then the movable plate 43 can be moved between the support table 15 and the movable table 35;

[0059] This step can quickly build a connection platform between the movable table 35 and the support table 15, so as to stably change the position of the placed item 6.

[0060] Working principle:

[0061] When the roasting furnace body 11 is processed and completed, when the movable door 12 moves upward to open, since the outer surface of the movable door 12 is together with the fixed frame 26, the rack 25 fixed on the surface of the fixed frame 26 is driven to move upward synchronously, and the gear 24 rotates, thereby applying a rotational force to the conical block 31. When the conical block 31 receives the rotational force, it drives the connecting rod 32 to rotate synchronously, causing the connecting rope 33 fixed on the surface of the connecting rod 32 to rotate. The connecting rope 33 continuously curls on the outer surface of the connecting rod 32, and the distance between the connecting rope 33 and the connecting frame 34 continuously decreases. The connecting wheel 36 moves inside the movable groove 38. When the conical block 31 stops rotating, the movable table 35 moves to the required position, so that the placing member 6 storing the product moves to one end of the roasting furnace body 11. Under the action of the connecting shaft 54, a turning force is applied to the movable column 55. Under the action of the magnet block 57, the movable column 55 is connected to the mounting plate 56, applying a pushing force to the support rod 46. While the moving wheel 45 moves inside the support frame 44, the slider 42 moves inside the sliding groove 41. When the limiting frame 52 is inserted into the mounting frame 53, a rotational force is applied to the movable column 55, causing the movable column 55 to move into the limiting frame 52 and the mounting frame 53, and then the movable plate 43 can be moved between the support table 15 and the movable table 35. A pulling force is applied to the guiding block 67, the guiding column 66 disengages from the inside of the guiding frame 68, the hook is placed inside the guiding plate 65, a pulling force is applied to the hook, and with the auxiliary action of the guiding wheel 63, the position of the placing member 6 can be changed.

[0062] The above is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A carbon product coating roasting production device, characterized in that, Including: A production part (1), the production part (1) includes a roasting furnace body (11) and a movable door (12) movably connected to the roasting furnace body (11); A movable part (3), the movable part (3) includes a conical block (31), a connecting rod (32), a connecting rope (33), a connecting frame (34) and a movable table (35); There are two groups of conical blocks (31) in total. The connecting rod (32) is fixed on the inner side wall of the conical block (31). The connecting rope (33) is wound on the outer surface of the connecting rod (32). The bottom of the connecting rope (33) is knotted and fixed inside the connecting frame (34). The movable table (35) is fixed on the outer surface of the connecting frame (34). The movable table (35) is located on one side of the roasting furnace body (11); Both sides of the bottom end of the movable table (35) are fixed with support columns (37). An activity groove (38) is opened inside the support column (37). A connecting wheel (36) is slidably connected inside the activity groove (38). The upper surface of the connecting wheel (36) is fixed to the lower surface of the movable table (35); The production part (1) further includes a track (13) fixed on the bottom surface of the roasting furnace body (11). An activity wheel (14) is slidably connected to the outer surface of the track (13). A support table (15) is fixed on the upper surface of the activity wheel (14); It further includes a connecting part (2), the connecting part (2) includes a fixing column (21), a fixing rod (22), a connecting column (23), a gear (24) and a rack (25); The fixing column (21) is fixed on the outer surface of the roasting furnace body (11). The fixing rod (22) is fixed on the outer surface of the fixing column (21). The connecting column (23) is fixed on the outer surface of the fixing rod (22). The gear (24) is rotatably connected to the outer surface of the connecting column (23). The rack (25) is engaged with the outer surface of the gear (24); A fixing frame (26) is fixed on the outer surface of the rack (25). The outer surface of the fixing frame (26) is fixed to the movable door (12). A connecting pipe (27) is fixed on the outer surface of the gear (24). The outer surface of the connecting pipe (27) is fixed to the outer surface of the gear (24).

2. The carbon product coating roasting production device according to claim 1, characterized in that, It further includes a placing part (6), the placing part (6) includes a mounting rod (61), a connecting frame (62), a guiding wheel (63), a placing plate (64) and a guiding plate (65); There are four groups of mounting rods (61) in total. A connecting frame (62) is fixed on the inner surface of the bottom end of the mounting rod (61). Placing plates (64) are fixed on the inner side wall of the mounting rod (61) at equal intervals. The guiding wheel (63) is fixed on the lower surface of any one of the mounting rods (61). The guiding plate (65) is fixed on the outer surface of the connecting frame (62); A guiding column (66) penetrates through the guiding plate (65). A guiding block (67) is fixed on the upper surface of the guiding column (66). The bottom end of the guiding column (66) is externally clamped with a guiding frame (68). The lower surface of the guiding frame (68) is fixed to the upper surface of the support table (15); It further includes a moving member (4), and the moving member (4) includes a sliding groove (41), a sliding block (42), a movable plate (43), a support frame (44), a moving wheel (45) and a support rod (46); the sliding groove (41) is opened inside both sides of the movable table (35), the sliding block (42) is slidably connected to the inside of the sliding groove (41), the movable plate (43) is fixed to the inner surface of the sliding block (42), the support frame (44) is fixed to the outer surfaces of both sides of the bottom end of the movable table (35), the moving wheel (45) is slidably connected to the inside of the support frame (44), and a support rod (46) is fixed between the moving wheel (45) and the movable plate (43); It further includes a limiting member (5), and the limiting member (5) includes a mounting post (51), a limiting frame (52), a mounting frame (53) and a connecting shaft (54); the mounting post (51) is fixed to the outer surface of the support rod (46), the limiting frame (52) is fixed to the outer surfaces of both ends of the mounting post (51), the mounting frame (53) is fixed to the outer surfaces of the movable table (35) and the support table (15), the limiting frame (52) is located inside the mounting frame (53), and the connecting shaft (54) is fixed to the inner surface of the mounting frame (53); A movable column (55) is rotatably connected to the outer surface of the connecting shaft (54), a mounting plate (56) is fixed to the outer surfaces of the movable table (35) and the support table (15), and magnet blocks (57) are embedded inside the mounting plate (56) and the movable column (55).

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