Clamping and positioning machine for machining end cover of generator

Abstract

The utility model discloses a clamping and positioning machine for generator end cover machining, and relates to the technical field of generator end cover machining. Comprising an end cover machining and mounting mechanism, the end cover machining and mounting mechanism comprises a supporting base, a machining control panel is mounted on the surface of the supporting base, a machining box is fixedly connected to the top of the supporting base, and an electric control protective door is mounted on one side of the machining box; clamping positioning assemblies are fixedly installed on the two sides of the top of the supporting base, and a supporting adjusting assembly is fixedly installed on the top of the supporting base. The electric generator end cover can be positioned and clamped, the clamped electric generator end cover can be supported and machined, machining stability of the electric generator end cover is improved, meanwhile, the electric generator end cover can be turned over and adjusted, corresponding drilling and milling can be conducted on the two faces of the electric generator end cover, and machining efficiency is improved. And convenience of double-face machining of the generator end cover is improved, and practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of generator end cover processing, in particular to a generator end cover processing clamping and positioning machine. Background Art

[0002] A generator is a mechanical device that converts mechanical energy into electrical energy. It is driven by a turbine, steam turbine, diesel engine, or other power machinery. It converts energy generated by water flow, air flow, fuel combustion, or nuclear fission into mechanical energy, which is then transmitted to the generator, where it is then converted into electrical energy. The generator's end cover consists of two plates and a gasket, secured with bolts. Its primary function is to maintain the generator's proper operation and prevent dust and dirt from entering the generator. The cover also features inspection holes and an oil fill port for easy inspection and maintenance.

[0003] The Chinese patent application number CN202321302005.0 currently discloses a fixture for turning the end cover of an automobile generator. The utility model provides a fixture for turning the end cover of an automobile generator. By setting an adjustment mechanism, the position of the adjustment block in a separate clamping mechanism can be adjusted accordingly under the action of structures such as a guide rod, a moving block, a rotating shaft and a limit block, so that the adjustment blocks in each direction can be in close contact with the workpiece through the abutment block, effectively ensuring the clamping effect of the device.

[0004] When processing the existing generator end cover, corresponding drilling and milling operations need to be performed on both sides of the end cover. The above-mentioned comparative document can make the adjustment blocks in all directions closely contact with the workpiece through the abutment blocks, effectively ensuring the clamping effect of the device. However, the above-mentioned device is not convenient for positioning and clamping the generator end cover, which is not conducive to supporting the clamped generator end cover, affecting the stability of the generator end cover processing. In addition, the above-mentioned device is not convenient for flipping and adjusting the generator end cover, which is not conducive to corresponding drilling and milling on both sides of the generator end cover, affecting the convenience of double-sided processing of the generator end cover. Therefore, we need to provide a generator end cover processing clamping and positioning machine. Utility Model Content

[0005] The utility model provides a generator end cover processing clamping and positioning machine, which has the advantages of being able to clamp and install the generator end cover and to perform double-sided processing on the generator end cover, thereby solving the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a generator end cover processing, clamping and positioning machine, comprising: an end cover processing and installation mechanism, the end cover processing and installation mechanism comprising a support base, a processing control panel is installed on the surface of the support base, a processing box is fixedly connected to the top of the support base, an electric control protective door is installed on one side of the processing box, clamping and positioning components are fixedly installed on both sides of the top of the support base, a support adjustment component is fixedly installed on the top of the support base, a processing adjustment component is fixedly installed on the surface of the processing box, a waste chip groove is opened on the surface of the support base, and a waste chip box is slidably installed inside the support base.

[0007] As a generator end cover processing clamping and positioning machine of the utility model, the clamping and positioning assembly includes an electrically controlled linear slide rail, a slide rail controller, a mounting seat, an adjustment component and a clamping component. The electrically controlled linear slide rail is fixedly installed on the top of the support base, the slide rail controller is installed on the electrically controlled linear slide rail, the mounting seat is installed on the surface of the electrically controlled linear slide rail, the adjustment component is fixedly installed on the top of the mounting seat, and the clamping component is fixedly installed on the surface of the adjustment component.

[0008] As a generator end cover processing clamping and positioning machine of the utility model, the adjustment component includes a servo motor, a flip controller, a connecting column and a top holding plate. The servo motor is fixedly installed on the top of the mounting seat, the flip controller is installed on the servo motor, the connecting column is fixedly connected to the output end of the servo motor, and the top holding plate is fixedly installed on one end of the connecting column.

[0009] As a generator end cover processing clamping and positioning machine of the utility model, the clamping component includes a connecting seat, an electric telescopic rod, a clamping controller and a clamping plate. The connecting seat is fixedly connected to the two ends of the top holding plate, the electric telescopic rod is fixedly installed in the connecting seat, the clamping controller is installed on the connecting seat, and the clamping controller is electrically connected to the electric telescopic rod, and the clamping plate is fixedly installed at the output end of the electric telescopic rod.

[0010] As a generator end cover processing clamping and positioning machine of the utility model, the support adjustment assembly includes a support seat, a hydraulic lifting rod, a support controller and a support plate. The support seat is fixedly installed on the support base, the hydraulic lifting rod is fixedly installed in the support seat, the support controller is installed on the support seat, and the support controller is electrically connected to the hydraulic lifting rod, and the support plate is fixedly connected to the output end of the hydraulic lifting rod.

[0011] As a generator end cover processing clamping and positioning machine of the utility model, the processing and adjustment component includes a first electrically controlled guide rail, a first guide rail controller, a second electrically controlled guide rail, a second guide rail controller, a mounting plate, an end cover drilling component and an end cover milling component. The first electrically controlled guide rail is fixedly installed on the processing box, the first guide rail controller is installed on the first electrically controlled guide rail, the second electrically controlled guide rail is installed on the surface of the first electrically controlled guide rail, the second guide rail controller is installed on the second electrically controlled guide rail, the mounting plate is installed on the surface of the second electrically controlled guide rail, the end cover drilling component is fixedly installed at one end of the bottom of the mounting plate, and the end cover milling component is fixedly installed at the other end of the bottom of the mounting plate.

[0012] As a generator end cover processing clamping and positioning machine of the utility model, the end cover drilling component includes a first electric-controlled lifting rod, a first lifting controller, a drill and a drilling controller, the first electric-controlled lifting rod is fixedly installed at the bottom of the mounting plate, the first lifting controller is installed on the first electric-controlled lifting rod, the drill is fixedly installed at the output end of the first electric-controlled lifting rod, and the drilling controller is installed on the drill;

[0013] The end cover milling component includes a second electrically-controlled lifting rod, a second lifting controller, a milling machine and a milling controller. The second electrically-controlled lifting rod is fixedly installed at the bottom of the mounting plate, the second lifting controller is installed on the second electrically-controlled lifting rod, the milling machine is fixedly installed at the output end of the second electrically-controlled lifting rod, and the milling controller is installed on the milling machine.

[0014] The utility model provides a generator end cover processing clamping and positioning machine. It has the following beneficial effects:

[0015] The generator end cover processing clamping and positioning machine can position and clamp the generator end cover through the arrangement of the end cover processing installation mechanism, the support base, the processing control panel, the processing box, the electric control protective door, the clamping and positioning component, the support adjustment component, the processing adjustment component, the waste chip channel and the waste chip box, which is conducive to supporting the clamped generator end cover and improving the stability of the generator end cover processing. At the same time, it can also flip and adjust the generator end cover, which is conducive to corresponding drilling and milling on both sides of the generator end cover, improving the convenience of double-sided processing of the generator end cover and improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a side view of the three-dimensional structure of the utility model;

[0018] Figure 3 This is a perspective view of the first partial structure of the utility model;

[0019] Figure 4 This is a perspective view of the second partial structure of the utility model;

[0020] Figure 5 This is a three-dimensional diagram of the third partial structure of the utility model;

[0021] Figure 6 This is a perspective view of the fourth partial structure of the utility model;

[0022] Figure 7 This is a perspective view of the fifth partial structure of the utility model;

[0023] Figure 8 This is a sixth partial structural perspective view of the present utility model;

[0024] Figure 9 This is a seventh partial structural perspective view of the present utility model;

[0025] Figure 10 This is a three-dimensional diagram of the eighth partial structure of the present utility model.

[0026] In the figure: 1. End cover processing and installation mechanism; 11. Support base; 12. Processing control panel; 13. Processing box; 14. Electric control protective door; 15. Clamping and positioning assembly; 16. Support adjustment assembly; 17. Processing adjustment assembly; 18. Waste chip channel; 19. Waste chip box; 151. Electric control linear guide rail; 152. Slide rail controller; 153. Mounting seat; 154. Adjustment member; 155. Clamping member; 1541. Servo motor; 1542. Flip controller; 1543. Connecting column; 1544. Top holding plate; 1551. Connecting seat; 1552. Electric control telescopic rod; 1553. Clamping controller; 1 554. Clamping plate; 161. Support seat; 162. Hydraulic lifting rod; 163. Support controller; 164. Support plate; 171. First electrically controlled guide rail; 172. First guide rail controller; 173. Second electrically controlled guide rail; 174. Second guide rail controller; 175. Mounting plate; 176. End cover drilling component; 177. End cover milling component; 1761. First electrically controlled lifting rod; 1762. First lifting controller; 1763. Drill; 1764. Drilling controller; 1771. Second electrically controlled lifting rod; 1772. Second lifting controller; 1773. Milling device; 1774. Milling controller. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figures 1-10 The utility model provides a technical solution: a generator end cover processing clamping and positioning machine, including an end cover processing and installation mechanism 1, the end cover processing and installation mechanism 1 includes a support base 11, a processing control panel 12 is installed on the surface of the support base 11, a processing box 13 is fixedly connected to the top of the support base 11, an electric control protection door 14 is installed on one side of the processing box 13, a clamping and positioning component 15 is fixedly installed on both sides of the top of the support base 11, a support adjustment component 16 is fixedly installed on the top of the support base 11, a processing adjustment component 17 is fixedly installed on the surface of the processing box 13, a waste chip through groove 18 is opened on the surface of the support base A waste chip box 19 is slidably installed inside 11. Through the arrangement of the end cover processing and installation mechanism 1, the support base 11, the processing control panel 12, the processing box 13, the electric control protective door 14, the clamping and positioning component 15, the support adjustment component 16, the processing adjustment component 17, the waste chip slot 18 and the waste chip box 19, the generator end cover can be positioned and clamped, which is beneficial for supporting the clamped generator end cover and improving the stability of the generator end cover processing. At the same time, the generator end cover can also be flipped and adjusted, which is beneficial for corresponding drilling and milling on both sides of the generator end cover, improving the convenience of double-sided processing of the generator end cover and improving the practicality of the device.

[0029] See also Figure 5 The clamping and positioning assembly 15 includes an electrically controlled linear slide 151, a slide controller 152, a mounting seat 153, an adjustment member 154 and a clamping member 155. The electrically controlled linear slide 151 is fixedly mounted on the top of the support base 11, the slide controller 152 is mounted on the electrically controlled linear slide 151, the mounting seat 153 is mounted on the surface of the electrically controlled linear slide 151, the adjustment member 154 is fixedly mounted on the top of the mounting seat 153, and the clamping member 155 is fixedly mounted on the surface of the adjustment member 154. Through the arrangement of the electrically controlled linear slide 151, the slide controller 152, the mounting seat 153, the adjustment member 154 and the clamping member 155, the use position of the clamping member 155 can be moved and adjusted, which is beneficial to adjust according to the length of the generator end cover, facilitates the top-holding installation of the generator end cover, and improves the top-holding effect of the generator end cover.

[0030] See also Figure 6The adjustment component 154 includes a servo motor 1541, a flip controller 1542, a connecting column 1543 and a top holding plate 1544. The servo motor 1541 is fixedly installed on the top of the mounting base 153, the flip controller 1542 is installed on the servo motor 1541, the connecting column 1543 is fixedly connected to the output end of the servo motor 1541, and the top holding plate 1544 is fixedly installed on one end of the connecting column 1543. Through the arrangement of the servo motor 1541, the flip controller 1542, the connecting column 1543 and the top holding plate 1544, the clamping component 155 can be rotated and adjusted, which is beneficial to flipping the clamped generator end cover, facilitating the subsequent processing of both sides of the generator end cover, and improving the efficiency of the generator end cover processing.

[0031] See also Figure 6 The clamping component 155 includes a connecting seat 1551, an electrically controlled telescopic rod 1552, a clamping controller 1553 and a clamping plate 1554. The connecting seat 1551 is fixedly connected to both ends of the top holding plate 1544, the electrically controlled telescopic rod 1552 is fixedly installed in the connecting seat 1551, the clamping controller 1553 is installed on the connecting seat 1551, and the clamping controller 1553 is electrically connected to the electrically controlled telescopic rod 1552. The clamping plate 1554 is fixedly installed at the output end of the electrically controlled telescopic rod 1552. Through the arrangement of the connecting seat 1551, the electrically controlled telescopic rod 1552, the clamping controller 1553 and the clamping plate 1554, the generator end cover can be clamped, which is beneficial to adjust according to the width of the generator end cover and improve the clamping and positioning effect of the generator end cover.

[0032] See also Figure 7 The support adjustment assembly 16 includes a support seat 161, a hydraulic lifting rod 162, a support controller 163 and a support plate 164. The support seat 161 is fixedly installed on the support base 11, the hydraulic lifting rod 162 is fixedly installed in the support seat 161, the support controller 163 is installed on the support seat 161, and the support controller 163 is electrically connected to the hydraulic lifting rod 162. The support plate 164 is fixedly connected to the output end of the hydraulic lifting rod 162. Through the arrangement of the support seat 161, the hydraulic lifting rod 162, the support controller 163 and the support plate 164, the use height of the support plate 164 can be adjusted, which is beneficial to adjust according to the processing conditions of the generator end cover, facilitates the support of the clamped generator end cover, and improves the stability of the generator end cover processing.

[0033] See also Figure 8The processing adjustment assembly 17 includes a first electric control rail 171, a first rail controller 172, a second electric control rail 173, a second rail controller 174, a mounting plate 175, an end cover drilling component 176 and an end cover milling component 177. The first electric control rail 171 is fixedly mounted on the processing box 13, the first rail controller 172 is mounted on the first electric control rail 171, the second electric control rail 173 is mounted on the surface of the first electric control rail 171, the second rail controller 174 is mounted on the second electric control rail 173, and the mounting plate 175 is mounted on the second electric control rail On the surface of the guide rail 173, the end cover drilling component 176 is fixedly installed at one end of the bottom of the mounting plate 175, and the end cover milling component 177 is fixedly installed at the other end of the bottom of the mounting plate 175. Through the setting of the first electrically controlled guide rail 171, the first guide rail controller 172, the second electrically controlled guide rail 173, the second guide rail controller 174, the mounting plate 175, the end cover drilling component 176 and the end cover milling component 177, the generator end cover can be drilled and milled, which is conducive to adjustment according to the needs of the generator end cover processing and improves the convenience of the generator end cover processing.

[0034] See also Figure 9 The end cover drilling component 176 includes a first electrically controlled lifting rod 1761, a first lifting controller 1762, a drill 1763 and a drilling controller 1764. The first electrically controlled lifting rod 1761 is fixedly mounted on the bottom of the mounting plate 175, the first lifting controller 1762 is mounted on the first electrically controlled lifting rod 1761, the drill 1763 is fixedly mounted on the output end of the first electrically controlled lifting rod 1761, and the drilling controller 1764 is mounted on the drill 1763. Through the arrangement of the first electrically controlled lifting rod 1761, the first lifting controller 1762, the drill 1763 and the drilling controller 1764, the generator end cover can be adjusted for drilling, which is beneficial to the drilling operation on the surface of the end cover and improves the effect of the drilling processing of the generator end cover.

[0035] The end cover milling component 177 includes a second electrically-controlled lifting rod 1771, a second lifting controller 1772, a milling machine 1773 and a milling controller 1774. The second electrically-controlled lifting rod 1771 is fixedly installed at the bottom of the mounting plate 175, the second lifting controller 1772 is installed on the second electrically-controlled lifting rod 1771, the milling machine 1773 is fixedly installed at the output end of the second electrically-controlled lifting rod 1771, and the milling controller 1774 is installed on the milling machine 1773. Through the setting of the second electrically-controlled lifting rod 1771, the second lifting controller 1772, the milling machine 1773 and the milling controller 1774, the generator end cover can be milled and adjusted, which is beneficial to the milling operation on the surface of the end cover and improves the milling processing effect of the generator end cover.

[0036] During use, the staff first controls the electric-controlled protective door 14 to rotate and open through the processing control panel 12, and then moves the generator end cover to be processed between the two groups of clamping members 155, and then starts the slide rail controller 152 through the processing control panel 12 to control the electric-controlled linear slide rail 151 to drive the clamping member 155 to move, and then the two top holding plates 1544 move in opposite directions to hold and install the two ends of the generator end cover, and then starts the clamping controller 1553 through the processing control panel 12 to control the electric-controlled telescopic rod 1552 to extend, and then drives the clamping plate 1554 to move to the side of the generator end cover to clamp and position the generator end cover, and then starts the support controller 163 through the processing control panel 12 to control the hydraulic lifting rod 162 to extend, and then drives the support plate 164 to move to the bottom of the generator end cover, thereby supporting the bottom of the end cover;

[0037] When the generator end cover is installed, the electric-controlled protective door 14 is controlled to rotate and close through the processing control panel 12, and then the processing adjustment component 17 is started to work through the processing control panel 12. When it is necessary to drill a hole on the generator end face, the first guide rail controller 172 controls the first electric-controlled guide rail 171 to drive the end cover drilling component 176 to move to the top of the generator end cover, and then the first lifting controller 1762 controls the first electric-controlled lifting rod 1761 to extend, thereby driving the driller 1763 to move down to the surface of the generator end cover, and then the drilling controller 1764 controls the driller 1763 to work, thereby drilling the generator end cover, and the second guide rail controller 174 controls the second electric-controlled guide rail 173 to drive the driller 1763 to move, so as to adjust the position of the hole to be drilled on the generator end face;

[0038] When the generator end cover needs to be milled, the first guide rail controller 172 controls the first electric-controlled guide rail 171 to drive the end cover milling component 177 to move above the generator end cover, and then the second lifting controller 1772 controls the second electric-controlled lifting rod 1771 to extend, thereby driving the milling device 1773 to move down to the surface of the generator end cover, and then the milling controller 1774 controls the milling device 1773 to work, and the second guide rail controller 174 controls the second electric-controlled guide rail 173 to work, thereby performing a milling operation on the surface of the generator end cover;

[0039] When the generator end cover is processed, the support controller 163 is activated through the processing control panel 12 to control the hydraulic lifting rod 162 to retract, thereby driving the support plate 164 to move downward, and then the flip controller 1542 is activated through the processing box 13 to control the servo motor 1541 to rotate, thereby driving the connecting column 1543, the top holding plate 1544 and the clamping member 155 to rotate, so that the installed generator end cover is flipped, and then the hydraulic lifting rod 162 is controlled to extend through the support controller 163, thereby driving the support plate 164 to move up to the bottom surface of the generator end cover for support, and then the other side of the generator end cover is processed;

[0040] During the processing, the waste chips generated by the processing will fall into the waste chip box 19 through the waste chip channel 18 for collection. The subsequent staff can move the waste chip box 19 out for cleaning.

[0041] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. A generator end cover processing clamping and positioning machine, characterized in that: include: An end cover processing and installation mechanism (1) comprises a support base (11), a processing control panel (12) is installed on the surface of the support base (11), a processing box (13) is fixedly connected to the top of the support base (11), an electric control protection door (14) is installed on one side of the processing box (13), clamping and positioning components (15) are fixedly installed on both sides of the top of the support base (11), a support adjustment component (16) is fixedly installed on the top of the support base (11), a processing adjustment component (17) is fixedly installed on the surface of the processing box (13), a waste chip groove (18) is opened on the surface of the support base (11), and a waste chip box (19) is slidably installed inside the support base (11).

2. The generator end cover processing clamping and positioning machine according to claim 1, characterized in that: The clamping and positioning assembly (15) comprises an electrically controlled linear slide rail (151), a slide rail controller (152), a mounting seat (153), an adjustment member (154) and a clamping member (155); the electrically controlled linear slide rail (151) is fixedly mounted on the top of the support base (11); the slide rail controller (152) is mounted on the electrically controlled linear slide rail (151); the mounting seat (153) is mounted on the surface of the electrically controlled linear slide rail (151); the adjustment member (154) is fixedly mounted on the top of the mounting seat (153); and the clamping member (155) is fixedly mounted on the surface of the adjustment member (154).

3. The generator end cover processing, clamping and positioning machine according to claim 2, characterized in that: The adjustment component (154) comprises a servo motor (1541), a flip controller (1542), a connecting column (1543) and a top holding plate (1544); the servo motor (1541) is fixedly mounted on the top of the mounting seat (153); the flip controller (1542) is mounted on the servo motor (1541); the connecting column (1543) is fixedly connected to the output end of the servo motor (1541); and the top holding plate (1544) is fixedly mounted on one end of the connecting column (1543).

4. The generator end cover processing, clamping and positioning machine according to claim 3, characterized in that: The clamping member (155) includes a connecting seat (1551), an electrically controlled telescopic rod (1552), a clamping controller (1553) and a clamping plate (1554), wherein the connecting seat (1551) is fixedly connected to both ends of the top holding plate (1544), the electrically controlled telescopic rod (1552) is fixedly installed in the connecting seat (1551), the clamping controller (1553) is installed on the connecting seat (1551), and the clamping controller (1553) is electrically connected to the electrically controlled telescopic rod (1552), and the clamping plate (1554) is fixedly installed at the output end of the electrically controlled telescopic rod (1552).

5. The generator end cover processing clamping and positioning machine according to claim 1, characterized in that: The support adjustment assembly (16) comprises a support seat (161), a hydraulic lifting rod (162), a support controller (163) and a support plate (164); the support seat (161) is fixedly mounted on the support base (11); the hydraulic lifting rod (162) is fixedly mounted in the support seat (161); the support controller (163) is mounted on the support seat (161); the support controller (163) is electrically connected to the hydraulic lifting rod (162); and the support plate (164) is fixedly connected to the output end of the hydraulic lifting rod (162).

6. The generator end cover processing clamping and positioning machine according to claim 1, characterized in that: The processing adjustment assembly (17) comprises a first electrically controlled guide rail (171), a first guide rail controller (172), a second electrically controlled guide rail (173), a second guide rail controller (174), a mounting plate (175), an end cover drilling component (176) and an end cover milling component (177); the first electrically controlled guide rail (171) is fixedly mounted on the processing box (13); the first guide rail controller (172) is mounted on the first electrically controlled guide rail (171); the second electrically controlled guide rail (173) is mounted on the surface of the first electrically controlled guide rail (171); the second guide rail controller (174) is mounted on the second electrically controlled guide rail (173); the mounting plate (175) is mounted on the surface of the second electrically controlled guide rail (173); the end cover drilling component (176) is fixedly mounted on one end of the bottom of the mounting plate (175); and the end cover milling component (177) is fixedly mounted on the other end of the bottom of the mounting plate (175).

7. The generator end cover processing, clamping and positioning machine according to claim 6, characterized in that: The end cover drilling component (176) comprises a first electrically controlled lifting rod (1761), a first lifting controller (1762), a drill (1763) and a drilling controller (1764); the first electrically controlled lifting rod (1761) is fixedly mounted on the bottom of the mounting plate (175); the first lifting controller (1762) is mounted on the first electrically controlled lifting rod (1761); the drill (1763) is fixedly mounted on the output end of the first electrically controlled lifting rod (1761); and the drilling controller (1764) is mounted on the drill (1763); The end cover milling component (177) includes a second electrically controlled lifting rod (1771), a second lifting controller (1772), a milling machine (1773) and a milling controller (1774), wherein the second electrically controlled lifting rod (1771) is fixedly mounted on the bottom of the mounting plate (175), the second lifting controller (1772) is mounted on the second electrically controlled lifting rod (1771), the milling machine (1773) is fixedly mounted on the output end of the second electrically controlled lifting rod (1771), and the milling controller (1774) is mounted on the milling machine (1773).

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