Integrated processing device for boring big and small ends of connecting rod

Abstract

The utility model relates to the technical field of engine connecting rod production and processing, and discloses a connecting rod large and small head boring integrated processing device which comprises a fixed base, a positioning assembly and a boring assembly are arranged on the top of the fixed base, and the positioning assembly comprises a positioning table arranged on the top of the fixed base. A positioning structure is arranged at the top of the positioning table, the boring assembly comprises a first limiting frame plate arranged at the top of the fixed base, a boring structure is arranged in the first limiting frame plate, the positioning assembly further comprises two first limiting grooves formed in the top of the positioning table, and the positioning structure comprises a first electric control box fixedly installed in the first limiting grooves. Two sets of first electric push rods are arranged on the outer wall of one side of the first electric control box, the purpose of limiting and fixing the engine connecting rod is achieved, the fixing effect of the connecting rod is improved, position deviation of the connecting rod in the boring process is prevented, the using stability of the device is improved, and the machining quality of boring of the connecting rod is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of production and processing of engine connecting rods, and specifically relates to an integrated processing device for boring and processing connecting rod large and small heads. Background Art

[0002] In the process of producing and processing engine connecting rods, the engine connecting rods need to be bored. Boring process has many steps and takes a long time. Now, a boring integrated processing facility is designed.

[0003] The integrated boring processing device for large and small heads of an engine connecting rod with the publication number CN217701428U comprises a base, a processing seat and a plurality of fixtures; the base is horizontally arranged on a table; the processing seat is installed on the base; the middle part of the processing seat is recessed downward to form a processing area; a matching limit seat is arranged on one side of the processing seat, and a clamping plate is installed on the processing seat; the limit seat is clamped into the processing area; the interior of the limit seat is recessed inward to form a groove; the fixture comprises a large head fixture and a small head fixture; the large head of the connecting rod is assembled with the large head fixture, and the small head of the connecting rod is assembled with the small head fixture; a raised limit ring is arranged on the large head fixture, and an elastic support member is arranged inside the large head fixture; the small head fixture comprises a fixing ring and a baffle; the baffle is arranged vertically; the inner diameter of the fixing ring is the same as the inner diameter of the small head of the connecting rod; the baffle abuts against the outside of the small head of the connecting rod; the utility model can use the boring device to bore the large and small heads of the connecting rod at the same time, which is more convenient to use and more efficient.

[0004] However, the above patent still has the following problems: during the boring process of the engine connecting rod, the fixing effect of the connecting rod is not good, the position of the connecting rod will be offset, affecting the positioning effect of the boring mechanism, causing inconvenience in the subsequent use of the parts, and the positioning mechanism of the device needs to be improved. During the boring process, the boring mechanism needs to be moved, and the moving structure of the boring mechanism needs to be improved to improve the boring efficiency.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0007] A connecting rod head and reducer boring integrated processing device, comprising a fixed base, a positioning assembly is arranged on the top of the fixed base, a boring assembly is arranged on the top of the fixed base, the positioning assembly comprises a positioning platform arranged on the top of the fixed base, a positioning structure is arranged on the top of the positioning platform, the boring assembly comprises a first limiting frame plate arranged on the top of the fixed base, a boring structure is arranged inside the first limiting frame plate, and the positioning assembly also comprises two groups of first limiting grooves opened on the top of the positioning platform.

[0008] As a preferred embodiment of the utility model, the positioning structure includes a first electric control box fixedly installed inside the first limiting groove, two groups of first electric push rods are arranged on the outer wall of one side of the first electric control box, a first movable plate is slidably installed inside the first limiting groove, two groups of first pressure plates are fixedly installed on the top of the first movable plate, one end of the first electric push rod extends and is fixedly connected to the outer wall of one side of the first movable plate, and the first electric control box is electrically connected to the first limiting groove.

[0009] As a preferred embodiment of the utility model, the positioning assembly also includes a second electric control box fixedly installed on the top of the positioning platform, two groups of second electric push rods are arranged on one side outer wall of the second electric control box, a first push plate is arranged on the left side of the second electric control box, one end of the second electric push rod is fixedly connected to one side outer wall of the first push plate, a first arc-shaped pressure plate is fixedly installed on one side outer wall of the first push plate, a first arc-shaped limit plate is arranged at the bottom of the first arc-shaped pressure plate, two groups of first return spring rods are fixedly installed on one side outer wall of the first arc-shaped limit plate, one end of the first return spring rod is fixedly connected to one side outer wall of the first push plate, and the second electric control box is electrically connected to the second electric push rod.

[0010] As a preferred embodiment of the present utility model, the positioning assembly also includes a third electric control box fixedly installed on the top of the positioning platform, two groups of third electric push rods are arranged on one side outer wall of the third electric control box, a second push plate is arranged on the right side of the third electric control box, one end of the third electric push rod is fixedly connected to one side outer wall of the second push plate, a second arc-shaped pressure plate is fixedly installed on one side outer wall of the second push plate, a second arc-shaped limit plate is arranged at the bottom of the second arc-shaped pressure plate, two groups of second return spring rods are fixedly installed on one side outer wall of the second arc-shaped limit plate, one end of the second return spring rod is fixedly connected to one side outer wall of the second push plate, and the third electric control box is electrically connected to the third electric push rod.

[0011] As a preferred embodiment of the utility model, the boring structure includes a guide rod fixedly installed inside the first limit frame plate, a fourth electric push rod is arranged on the inner wall of one side of the first limit frame plate, a second movable plate is fixedly installed on one end of the fourth electric push rod, a hole is opened inside the second movable plate, the guide rod is sleeved and installed in the hole, a fourth electric control box is fixedly installed on the outer wall of one side of the second movable plate, two groups of first rotating rods are rotatably installed on the outer wall of the other side of the second movable plate, a first boring head is fixedly installed on one end of the first rotating rod, a fifth electric control box is fixedly installed on the top of the fixed base, the fifth electric control box is electrically connected to the fourth electric push rod, and the fourth electric control box is electrically connected to the first rotating rod.

[0012] As a preferred embodiment of the utility model, the boring assembly also includes a second limiting frame plate fixedly installed on the top of the fixed base, a fifth electric push rod is fixedly installed inside the second limiting frame plate, a third movable plate is fixedly installed on one end of the fifth electric push rod, the third movable plate is slidably installed inside the second limiting frame plate, a first connecting plate is fixedly installed on the top of the third movable plate, a second rotating rod is rotatably installed on the outer wall of one side of the first connecting plate, a second boring head is fixedly installed on one end of the second rotating rod, a sixth electric control box is fixedly installed on the outer wall of the other side of the first connecting plate, the sixth electric control box is electrically connected to the second rotating rod, and a seventh electric control box is fixedly installed on the top of the fixed base, and the seventh electric control box is electrically connected to the fifth electric push rod.

[0013] As a preferred embodiment of the present utility model, an engine connecting rod is placed on the top of the positioning platform, a big end of the engine connecting rod is fixedly installed on one end of the engine connecting rod, a small end of the engine connecting rod is fixedly installed on the other end of the engine connecting rod, four groups of supporting platform rods are fixedly installed on the bottom of the fixed base, the top of the supporting platform rods is fixedly connected to the bottom of the positioning platform, a control panel is fixedly installed on the top of the fixed base, and the control panel is electrically connected to the first electric control box, the second electric control box, the third electric control box, the fourth electric control box, the fifth electric control box, the sixth electric control box and the seventh electric control box.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. To achieve the purpose of limiting and fixing the engine connecting rod, improve the fixing effect of the connecting rod, prevent the connecting rod position from shifting during the boring process, improve the stability of the device, and improve the processing quality of the connecting rod boring.

[0016] 2. To achieve the purpose of boring the device, quickly move the boring components, improve the efficiency of connecting rod boring, improve the production efficiency of the enterprise, and optimize the use experience of the device.

[0017] 3. To achieve support, fixation and intelligent control of the device, improve the automation of the device, improve the intelligence of the device, replace manual boring operations, reduce labor input costs, and improve the production efficiency of engine connecting rods.

[0018] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In the attached picture:

[0020] Figure 1 It is a top view of the utility model;

[0021] Figure 2 This is a schematic diagram of the control panel structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the first limit frame structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the first rotating rod structure of the utility model;

[0024] Figure 5 This is a schematic diagram of the second limiting frame structure of the utility model;

[0025] Figure 6 This is a schematic diagram of the positioning platform structure of the utility model;

[0026] Figure 7 This is a schematic diagram of the structure of the first electric control box of the utility model;

[0027] Figure 8 It is a schematic diagram of the structure of the second electric control box and the schematic diagram of the structure of the third electric control box of the utility model.

[0028] In the figure: 10, fixed base; 11, positioning platform; 12, engine connecting rod; 13, engine connecting rod big end; 14, engine connecting rod small end; 15, first electric control box; 16, first limit groove; 17, first movable plate; 18, first pressure plate; 19, first electric push rod; 20, support platform rod; 21, second electric control box; 22, second electric push rod; 23, first push plate; 24, first arc pressure plate; 25, first return spring rod; 26, first arc limit plate; 27, third electric control box; 28, third electric push rod; 29, second push rod Plate; 30, second arc-shaped pressure plate; 31, second return spring rod; 32, second arc-shaped limit plate; 33, first limit frame plate; 34, guide rod; 35, fourth electric push rod; 36, second movable plate; 37, fourth electric control box; 38, first rotating rod; 39, first boring head; 40, fifth electric control box; 41, second limit frame plate; 42, fifth electric push rod; 43, third movable plate; 44, first connecting plate; 45, sixth electric control box; 46, second rotating rod; 47, second boring head; 48, seventh electric control box; 49, control panel. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0030] Embodiment 1: A connecting rod head boring and processing device, specifically Figure 1 and Figure 4As shown, it includes a fixed base 10, a positioning assembly is provided on the top of the fixed base 10, a boring assembly is provided on the top of the fixed base 10, the positioning assembly includes a positioning platform 11 provided on the top of the fixed base 10, a positioning structure is provided on the top of the positioning platform 11, the boring assembly includes a first limiting frame plate 33 provided on the top of the fixed base 10, a boring structure is provided inside the first limiting frame plate 33, and the positioning assembly also includes two groups of first limiting grooves 16 opened on the top of the positioning platform 11. The connecting rod is limited and fixed by the positioning assembly, and the connecting rod is bored by the boring assembly.

[0031] Specific as Figure 1 , Figure 6 and Figure 7 As shown, the positioning structure includes a first electric control box 15 fixedly installed inside the first limiting groove 16, two groups of first electric push rods 19 are arranged on one side outer wall of the first electric control box 15, a first movable plate 17 is slidably installed inside the first limiting groove 16, two groups of first pressing plates 18 are fixedly installed on the top of the first movable plate 17, one end of the first electric push rod 19 extends and is fixedly connected to one side outer wall of the first movable plate 17, and the first electric control box 15 is electrically connected to the first limiting groove 16. Start the first electric control box 15, drive the first limiting groove 16 to move, push the first movable plate 17 to move, make the four groups of first pressing plates 18 close to each other, and make the bottom of the first pressing plate 18 close to the top of the connecting rod.

[0032] Specific as Figure 1 and Figure 8 As shown, the positioning assembly also includes a second electric control box 21 fixedly installed on the top of the positioning platform 11, two groups of second electric push rods 22 are arranged on one side outer wall of the second electric control box 21, a first push plate 23 is arranged on the left side of the second electric control box 21, one end of the second electric push rod 22 is fixedly connected to one side outer wall of the first push plate 23, a first arc-shaped pressure plate 24 is fixedly installed on one side outer wall of the first push plate 23, a first arc-shaped limit plate 26 is arranged at the bottom of the first arc-shaped pressure plate 24, two groups of first return spring rods 25 are fixedly installed on one side outer wall of the first arc-shaped limit plate 26, one end of the first return spring rod 25 is fixedly connected to one side outer wall of the first push plate 23, and the second electric control box 21 is electrically connected to the second electric push rod 22. Start the second electric control box 21, drive the second electric push rod 22 to move, push the first push plate 23 to move, move the first arc-shaped pressure plate 24 to the top of the engine connecting rod big end 13, make the inner wall of the first arc-shaped limit plate 26 close to the outer wall of the engine connecting rod big end 13, and make the bottom of the first arc-shaped pressure plate 24 close to the top of the engine connecting rod big end 13.

[0033] Specific as Figure 1 and Figure 8As shown, the positioning assembly also includes a third electric control box 27 fixedly mounted on the top of the positioning platform 11, two groups of third electric push rods 28 are arranged on one side outer wall of the third electric control box 27, a second push plate 29 is arranged on the right side of the third electric control box 27, one end of the third electric push rod 28 is fixedly connected to one side outer wall of the second push plate 29, a second arc-shaped pressure plate 30 is fixedly mounted on one side outer wall of the second push plate 29, a second arc-shaped limiting plate 32 is arranged at the bottom of the second arc-shaped pressure plate 30, two groups of second return spring rods 31 are fixedly mounted on one side outer wall of the second arc-shaped limiting plate 32, one end of the second return spring rod 31 is fixedly connected to one side outer wall of the second push plate 29, and the third electric control box 27 is electrically connected to the third electric push rod 28. Start the third electric control box 27, drive the third electric push rod 28 to move, push the second push plate 29, move the second arc pressure plate 30 to the top of the engine connecting rod small end 14, make the bottom of the second arc pressure plate 30 close to the top of the engine connecting rod small end 14, and make the inner wall of the second arc limit plate 32 close to the outer wall of the engine connecting rod small end 14.

[0034] According to the above conclusions, through the structure of the first electric control box 15, the first limiting groove 16, the first movable plate 17, the first pressure plate 18, the first electric push rod 19, the second electric control box 21, the second electric push rod 22, the first push plate 23, the first arc-shaped pressure plate 24, the first return spring rod 25, the first arc-shaped limiting plate 26, the third electric control box 27, the third electric push rod 28, the second push plate 29, the second arc-shaped pressure plate 30, the second return spring rod 31 and the second arc-shaped limiting plate 32, the purpose of limiting and fixing the engine connecting rod is achieved, the fixing effect of the connecting rod is improved, the position displacement of the connecting rod during the boring process is prevented, the stability of the device is improved, and the processing quality of the connecting rod boring is improved.

[0035] Embodiment 2: Based on Embodiment 1, the specific Figure 1 , Figure 3 and Figure 4As shown, the boring structure includes a guide rod 34 fixedly installed inside the first limit frame plate 33, a fourth electric push rod 35 is arranged on the inner wall of one side of the first limit frame plate 33, a second movable plate 36 is fixedly installed on one end of the fourth electric push rod 35, a hole is opened inside the second movable plate 36, and the guide rod 34 is sleeved and installed in the hole, a fourth electric control box 37 is fixedly installed on the outer wall of one side of the second movable plate 36, two groups of first rotating rods 38 are rotatably installed on the outer wall of the other side of the second movable plate 36, a first boring head 39 is fixedly installed on one end of the first rotating rod 38, and a fifth electric control box 40 is fixedly installed on the top of the fixed base 10, the fifth electric control box 40 is electrically connected to the fourth electric push rod 35, and the fourth electric control box 37 is electrically connected to the first rotating rod 38. Start the fifth electric control box 40 to drive the fourth electric push rod 35 to move, push the second movable plate 36 to move inside the first limit frame plate 33, guide the second movable plate 36 through the guide rod 34, start the fourth electric control box 37 to drive the first rotating rod 38 to rotate, and bore the big end 13 of the engine connecting rod through the first boring head 39.

[0036] Specific as Figure 1 , Figure 2 and Figure 5 As shown, the boring assembly also includes a second limiting frame plate 41 fixedly mounted on the top of the fixed base 10, a fifth electric push rod 42 is fixedly mounted inside the second limiting frame plate 41, a third movable plate 43 is fixedly mounted on one end of the fifth electric push rod 42, the third movable plate 43 is slidably mounted inside the second limiting frame plate 41, a first connecting plate 44 is fixedly mounted on the top of the third movable plate 43, a second rotating rod 46 is rotatably mounted on an outer wall of one side of the first connecting plate 44, a second boring head 47 is fixedly mounted on one end of the second rotating rod 46, a sixth electric control box 45 is fixedly mounted on the outer wall of the other side of the first connecting plate 44, the sixth electric control box 45 is electrically connected to the second rotating rod 46, a seventh electric control box 48 is fixedly mounted on the top of the fixed base 10, and the seventh electric control box 48 is electrically connected to the fifth electric push rod 42. Start the seventh electric control box 48 to drive the fifth electric push rod 42 to move, drive the third movable plate 43 to slide inside the second limit frame plate 41, start the sixth electric control box 45 to drive the second rotating rod 46 to rotate, and bore the small end 14 of the engine connecting rod through the second boring head 47.

[0037] According to the above conclusions, through the structures of the first limit frame plate 33, the guide rod 34, the fourth electric push rod 35, the second movable plate 36, the fourth electric control box 37, the first rotating rod 38, the first boring head 39, the fifth electric control box 40, the second limit frame plate 41, the fifth electric push rod 42, the third movable plate 43, the first connecting plate 44, the sixth electric control box 45, the second rotating rod 46, the second boring head 47 and the seventh electric control box 48, the purpose of boring the device is achieved, the boring assembly is quickly moved, the efficiency of connecting rod boring is improved, the production efficiency of the enterprise is improved, and the user experience of the device is optimized.

[0038] Embodiment 3: Based on Embodiment 1 and Embodiment 2, the specific Figure 1 and Figure 2 As shown, an engine connecting rod 12 is placed on the top of the positioning platform 11, one end of the engine connecting rod 12 is fixedly mounted with an engine connecting rod big end 13, and the other end of the engine connecting rod 12 is fixedly mounted with an engine connecting rod small end 14, four sets of support platform rods 20 are fixedly mounted on the bottom of the fixed base 10, the top of the support platform rods 20 is fixedly connected to the bottom of the positioning platform 11, and a control panel 49 is fixedly mounted on the top of the fixed base 10, and the control panel 49 is electrically connected to the first electric control box 15, the second electric control box 21, the third electric control box 27, the fourth electric control box 37, the fifth electric control box 40, the sixth electric control box 45 and the seventh electric control box 48. The positioning platform 11 is supported and fixed by the support platform rods 20, and the device is started by the control panel 49.

[0039] In summary, through the structure of the support platform 20 and the control panel 49, the device can be supported, fixed and intelligently controlled, the automation of the device can be improved, the intelligence level of the device can be improved, the manual boring operation can be replaced, the labor input cost can be reduced, and the production efficiency of the engine connecting rod can be improved.

[0040] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A connecting rod head boring and processing device, comprising a fixed base (10), characterized in that: A positioning assembly is arranged on the top of the fixed base (10), a boring assembly is arranged on the top of the fixed base (10), the positioning assembly comprises a positioning platform (11) arranged on the top of the fixed base (10), a positioning structure is arranged on the top of the positioning platform (11), the boring assembly comprises a first limiting frame plate (33) arranged on the top of the fixed base (10), a boring structure is arranged inside the first limiting frame plate (33), and the positioning assembly further comprises two groups of first limiting grooves (16) opened on the top of the positioning platform (11).

2. The connecting rod head boring and processing device according to claim 1, characterized in that: The positioning structure comprises a first electric control box (15) fixedly mounted inside a first limiting groove (16); two groups of first electric push rods (19) are arranged on an outer wall of one side of the first electric control box (15); a first movable plate (17) is slidably mounted inside the first limiting groove (16); two groups of first pressure plates (18) are fixedly mounted on the top of the first movable plate (17); one end of the first electric push rod (19) extends to be fixedly connected to an outer wall of one side of the first movable plate (17); and the first electric control box (15) is electrically connected to the first limiting groove (16).

3. The connecting rod head boring and processing device according to claim 1, characterized in that: The positioning assembly further comprises a second electric control box (21) fixedly mounted on the top of the positioning platform (11); two groups of second electric push rods (22) are arranged on one side outer wall of the second electric control box (21); a first push plate (23) is arranged on the left side of the second electric control box (21); one end of the second electric push rod (22) is fixedly connected to one side outer wall of the first push plate (23); a first arc-shaped pressing plate (24) is fixedly mounted on one side outer wall of the first push plate (23); a first arc-shaped limiting plate (26) is arranged at the bottom of the first arc-shaped pressing plate (24); two groups of first return spring rods (25) are fixedly mounted on one side outer wall of the first arc-shaped limiting plate (26); one end of the first return spring rod (25) is fixedly connected to one side outer wall of the first push plate (23); and the second electric control box (21) is electrically connected to the second electric push rod (22).

4. The connecting rod head boring and processing device according to claim 1, characterized in that: The positioning assembly also includes a third electric control box (27) fixedly mounted on the top of the positioning platform (11); two groups of third electric push rods (28) are arranged on one side outer wall of the third electric control box (27); a second push plate (29) is arranged on the right side of the third electric control box (27); one end of the third electric push rod (28) is fixedly connected to one side outer wall of the second push plate (29); a second arc-shaped pressing plate (30) is fixedly mounted on one side outer wall of the second push plate (29); a second arc-shaped limiting plate (32) is arranged at the bottom of the second arc-shaped pressing plate (30); two groups of second return spring rods (31) are fixedly mounted on one side outer wall of the second arc-shaped limiting plate (32); one end of the second return spring rod (31) is fixedly connected to one side outer wall of the second push plate (29); the third electric control box (27) and the third electric push rod (28) are electrically connected.

5. The connecting rod head boring and processing device according to claim 1, characterized in that: The boring structure comprises a guide rod (34) fixedly mounted inside the first limit frame plate (33); a fourth electric push rod (35) is arranged on an inner wall of one side of the first limit frame plate (33); a second movable plate (36) is fixedly mounted on one end of the fourth electric push rod (35); a hole is provided inside the second movable plate (36); the guide rod (34) is sleeved and mounted in the hole; a fourth electric control box (37) is fixedly mounted on an outer wall of one side of the second movable plate (36); two groups of first rotating rods (38) are rotatably mounted on an outer wall of the other side of the second movable plate (36); a first boring head (39) is fixedly mounted on one end of the first rotating rod (38); a fifth electric control box (40) is fixedly mounted on the top of the fixed base (10); the fifth electric control box (40) is electrically connected to the fourth electric push rod (35); and the fourth electric control box (37) is electrically connected to the first rotating rod (38).

6. The connecting rod head boring and processing device according to claim 1, characterized in that: The boring assembly also includes a second limiting frame plate (41) fixedly mounted on the top of the fixed base (10); a fifth electric push rod (42) is fixedly mounted inside the second limiting frame plate (41); a third movable plate (43) is fixedly mounted on one end of the fifth electric push rod (42); the third movable plate (43) is slidably mounted inside the second limiting frame plate (41); a first connecting plate (44) is fixedly mounted on the top of the third movable plate (43); a second rotating rod (46) is rotatably mounted on an outer wall of one side of the first connecting plate (44); a second boring head (47) is fixedly mounted on one end of the second rotating rod (46); a sixth electric control box (45) is fixedly mounted on the outer wall of the other side of the first connecting plate (44); the sixth electric control box (45) is electrically connected to the second rotating rod (46); a seventh electric control box (48) is fixedly mounted on the top of the fixed base (10); the seventh electric control box (48) is electrically connected to the fifth electric push rod (42).

7. The connecting rod head boring and processing device according to claim 1, characterized in that: An engine connecting rod (12) is placed on the top of the positioning platform (11), a large end of the engine connecting rod (13) is fixedly mounted on one end of the engine connecting rod (12), and a small end of the engine connecting rod (14) is fixedly mounted on the other end of the engine connecting rod (12); four groups of supporting platform rods (20) are fixedly mounted on the bottom of the fixed base (10), the top of the supporting platform rods (20) is fixedly connected to the bottom of the positioning platform (11); a control panel (49) is fixedly mounted on the top of the fixed base (10), and the control panel (49) is electrically connected to a first electric control box (15), a second electric control box (21), a third electric control box (27), a fourth electric control box (37), a fifth electric control box (40), a sixth electric control box (45) and a seventh electric control box (48).

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