Drilling device for metal shell machining

Abstract

The utility model relates to the technical field of drilling devices, in particular to a drilling device for machining a metal shell. The technical problems that in the using process of a drilling device, the drilling position cannot be rapidly adjusted and moved according to the drilling requirement of a metal shell, and meanwhile, the surface of the metal shell cannot be synchronously cleaned after stable drilling is completed are solved. According to the technical scheme, the drilling device for metal shell machining comprises a device fixing plate and a surface brushing assembly. By arranging the shell fixing assembly, clamping and fixing can be adjusted according to different specifications of metal shells, and by means of the first displacement assembly, left-right movement adjustment can be achieved according to different punching positions of the metal shells; and meanwhile, the movable positioning drilling assembly installed on the inner side of the top end of the first fixing side plate can be moved and adjusted front and back according to different punching positions of the metal shell so that the requirement for efficient punching can be met, and finally the upper surface of the drilled metal shell can be cleaned through the surface cleaning and brushing assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling devices, in particular to a drilling device for metal shell processing. Background Art

[0002] In the process of processing a metal shell at present, a drilling device is needed to process the holes on the metal shell, such as hole positioning, connecting thread processing, etc. The existing drilling device has a relatively simple structure and cannot quickly adjust the position of the mobile drilling according to the needs of drilling holes in the metal shell. At the same time, the surface of the metal shell cannot be cleaned synchronously after the hole is stably drilled, thereby reducing the functionality of the drilling device. Therefore, it is urgently needed to set up a drilling device that can quickly adjust the mobile drilling according to the needs of drilling holes in the metal shell, and can also clean the surface of the metal shell synchronously after the hole is stably drilled, so as to meet the needs of efficient drilling of the drilling device. Utility Model Content

[0003] In order to overcome the problem that during the use of the drilling device, the position of the mobile drilling hole cannot be quickly adjusted according to the need of drilling holes in the metal shell, and the surface of the metal shell cannot be cleaned synchronously after the holes are stably drilled.

[0004] The technical scheme of the utility model is: a drilling device for metal shell processing, comprising a device fixing plate, an anti-skid bottom pad, a first displacement component, a shell fixing component, a first fixed side plate, a movable positioning drilling component, a second fixed side plate, and a surface cleaning component; the anti-skid bottom pad is fixedly connected at the four corners of the lower end of the device fixing plate; the first displacement component for left-right movement and adjustment according to the different punching positions of the metal shell is installed on the upper end of the device fixing plate; the shell fixing component for clamping according to different specifications of the metal shell is installed on the upper end of the first displacement component; the first fixed side plates are fixedly connected to both sides of the upper part of the device fixing plate; the movable positioning drilling component for front-back movement and adjustment according to the different punching positions of the metal shell is installed on the inner side of the top end of the first fixed side plate; the second fixed side plate is fixedly connected to the side end of the first fixed side plate; the surface cleaning component for cleaning the upper surface of the metal shell after drilling is installed on the inner top end of the second fixed side plate.

[0005] Preferably, the shell fixing component can be used to adjust and clamp the metal shell according to different specifications, and the first displacement component can be used to move left and right according to the different punching positions of the metal shell. At the same time, the movable positioning drilling component installed on the inner side of the top end of the first fixed side plate can be moved back and forth according to the different punching positions of the metal shell to achieve the needs of efficient drilling. Finally, the surface cleaning component can be used to clean the upper surface of the metal shell after drilling, thereby improving the processing speed of the metal shell.

[0006] Preferably, the first displacement assembly includes a first protective outer frame plate, a first motor, a movable groove, a limiting slide groove, an adjusting screw, a screw movable block, a limiting sliding block and a linkage slide rod; the first protective outer frame plate is fixedly connected to the upper end of the device fixed plate; the first motor is installed on the side end of the first protective outer frame plate; a movable groove is opened on the upper end surface of the first protective outer frame plate, and the first protective outer frame plate can play a protective role.

[0007] Preferably, limit slide grooves are provided on both sides of the first protective outer frame plate; an adjusting screw is provided at the output end of the first motor; a screw movable block is connected to the outer side of the adjusting screw; limited sliding blocks are fixedly connected on both sides of the screw movable block; a linkage slide rod is fixedly connected to the upper end of the screw movable block, and the first motor installed on the side end of the first protective outer frame plate can drive the adjusting screw to move, so that the screw movable block can drive the linkage slide rod to move in the movable groove, and the limit sliding block can slide synchronously in the limit slide groove to achieve the effect of stable adjustment movement.

[0008] Preferably, the shell fixing assembly includes a shell placing frame, an L-shaped fixing plate, a hydraulic cylinder, a movable cross plate and an elastic pressing pad; the upper end of the linkage slide rod is fixedly connected to the shell placing frame; the front and rear ends of the shell placing frame are fixedly connected to the L-shaped fixing plate; a hydraulic cylinder is installed on the inner side of the L-shaped fixing plate; the movable end of the hydraulic cylinder is fixedly connected to the movable cross plate; an elastic pressing pad is installed on the inner side of the movable cross plate, and the hydraulic cylinder installed on the inner side of the L-shaped fixing plate can drive the movable cross plate to move, so that the elastic pressing pad can be adjusted and clamped according to the different specifications of the metal shell.

[0009] Preferably, the mobile positioning drilling assembly includes a second motor, a threaded adjustment rotating rod, an adjustment sleeve, a guide strut, a guide slider, a mobile mounting frame, a hydraulic lifting rod, a lifting horizontal plate, a drilling motor, a drill bit, a support vertical rod and a positioning pressure block; a second motor is installed at the top side end of the first fixed side plate; a threaded adjustment rotating rod is provided at the output end of the second motor; an adjustment sleeve is threadedly connected to the outer side of the threaded adjustment rotating rod; a guide strut is fixedly connected to the top end of the inner side of the first fixed side plate; a guide slider connected to the adjustment sleeve is slidably connected to the outer side of the guide strut, and the second motor installed at the top side end of the first fixed side plate can drive the threaded adjustment rotating rod to rotate, so that the adjustment sleeve can move forward and backward, and the guide slider can move synchronously in the guide strut.

[0010] Preferably, the lower end of the guide slider is fixedly connected to a movable mounting frame; a hydraulic lifting rod is installed on the inner side of the bottom end of the movable mounting frame; the movable end of the hydraulic lifting rod is fixedly connected to a lifting horizontal plate; a drilling motor is installed at the lower end of the lifting horizontal plate; a drill bit is installed at the output end of the drilling motor; both sides of the lower end of the lifting horizontal plate are fixedly connected to supporting vertical rods; a positioning pressure block is installed at the lower end of the supporting vertical rod, and the hydraulic lifting rod on the movable mounting frame can drive the lifting horizontal plate to move up and down. Starting the drilling motor allows the drill bit to drill holes in the metal shell, and the support vertical rod and the positioning pressure block can achieve the effect of stable compression and fixation.

[0011] Preferably, the surface cleaning assembly includes a protective side panel, an L-shaped mounting plate, an electric telescopic rod, a movable frame, a protective slide plate, a cleaning mounting plate and a cleaning soft brush; the protective side panel is fixedly connected to the inner side of the top end of the second fixed side panel; an L-shaped mounting plate is installed on the side end of the protective side panel; an electric telescopic rod is installed on the upper end of the L-shaped mounting plate; the movable end of the electric telescopic rod is fixedly connected to the movable frame; a cleaning mounting plate is installed on the lower end of the movable frame; a cleaning soft brush is installed on the lower end of the cleaning mounting plate, and when the drilling is completed, starting the electric telescopic rod installed on the upper end of the L-shaped mounting plate can drive the movable frame to move left and right, so that the cleaning soft brush under the cleaning mounting plate can clean the upper surface of the metal shell after drilling, thereby improving the processing speed of the metal shell.

[0012] Beneficial effects of the utility model:

[0013] 1. The shell fixing assembly can be adjusted and clamped according to the different specifications of the metal shell, and the first displacement assembly can be moved left and right according to the different punching positions of the metal shell. At the same time, the mobile positioning drilling assembly installed on the inner side of the top of the first fixed side plate can be moved forward and backward according to the different punching positions of the metal shell to achieve the need for efficient drilling. Finally, the surface cleaning assembly can be used to clean the upper surface of the metal shell after drilling. Compared with the existing drilling device with a simple structure, which cannot quickly adjust the position of the mobile drilling and cleaning according to the needs of drilling holes in the metal shell, this drilling device can meet the needs of stable and efficient drilling processing and cleaning;

[0014] 2. The hydraulic cylinder installed inside the L-shaped fixed plate can drive the movable horizontal plate to move, so that the elastic pressing pad can be adjusted and clamped according to the different specifications of the metal shell to achieve the effect of stable fixed punching;

[0015] 3. The first motor installed at the side end of the first protective outer frame plate can drive the adjustment screw to move, so that the screw movable block can drive the linkage slide bar to move in the movable groove, and the limit sliding block can slide synchronously in the limit sliding groove to achieve the effect of stable adjustment and movement. The second motor installed at the top side end of the first fixed side plate can drive the threaded adjustment rotating rod to rotate, so that the adjustment sleeve block can move forward and backward, and the guide slider can move synchronously in the guide support rod. The hydraulic lifting rod on the mobile mounting frame plate can drive the lifting horizontal plate to move up and down, and the drilling motor is started so that the drill bit can drill holes in the metal shell, and the support vertical rod and the positioning block can play a stable pressing and fixing effect;

[0016] 4. When the drilling is completed, the electric telescopic rod installed on the upper end of the L-shaped mounting plate can be started to drive the movable frame to move left and right, so that the cleaning soft brush under the cleaning mounting plate can clean the upper surface of the metal shell after drilling, thereby improving the processing speed of the metal shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 What is shown is a three-dimensional structural schematic diagram of the drilling device of the utility model;

[0018] Figure 2 The present invention is a schematic diagram of the three-dimensional structure of the first displacement component of the drilling device;

[0019] Figure 3 What is shown is a schematic diagram of the three-dimensional structure of the housing fixing assembly of the drilling device of the present utility model;

[0020] Figure 4 The present invention is a schematic diagram of the three-dimensional structure of the mobile positioning drilling assembly of the drilling device of the present invention;

[0021] Figure 5 What is shown is a schematic diagram of the three-dimensional structure of the surface cleaning component of the drilling device of the present invention.

[0022] Explanation of reference numerals: 1. device fixing plate; 2. anti-skid bottom pad; 3. first displacement assembly; 4. housing fixing assembly; 5. first fixed side plate; 6. movable positioning drilling assembly; 7. second fixed side plate; 8. surface cleaning assembly; 301. first protective outer frame plate; 302. first motor; 303. movable groove; 304. limit slide groove; 305. adjusting screw rod; 306. screw rod movable block; 307. limit sliding block; 308. linkage slide rod; 401. housing placement frame plate; 402. L-shaped fixing plate; 403. hydraulic cylinder; 404. movable horizontal Plate; 405, elastic pressing pad; 601, second motor; 602, threaded adjustment rotating rod; 603, adjustment sleeve; 604, guide support rod; 605, guide slider; 606, mobile mounting frame; 607, hydraulic lifting rod; 608, lifting horizontal plate; 609, drilling motor; 610, drill bit; 611, supporting vertical rod; 612, positioning block; 801, protective side plate; 802, L-shaped mounting plate; 803, electric telescopic rod; 804, mobile frame; 805, protective slide plate; 806, cleaning mounting plate; 807, cleaning soft brush. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] See also Figure 1-2The utility model provides an embodiment: a drilling device for metal shell processing, comprising a device fixing plate 1, an anti-skid bottom pad 2, a first displacement component 3, a shell fixing component 4, a first fixed side plate 5, a movable positioning drilling component 6, a second fixed side plate 7, and a surface cleaning component 8; the anti-skid bottom pad 2 is fixedly connected to the four corners of the lower end of the device fixing plate 1; the first displacement component 3 for left and right movement adjustment according to different punching positions of the metal shell is installed on the upper end of the device fixing plate 1; the shell fixing component 4 for clamping according to different specifications of the metal shell is installed on the upper end of the first displacement component 3; the first fixed side plates 5 are fixedly connected to both sides of the upper part of the device fixing plate 1; the first fixed A movable positioning drilling assembly 6 is installed on the inner side of the top end of the side plate 5 for adjusting forward and backward movement according to the different punching positions of the metal shell; the second fixed side plate 7 is fixedly connected to the side end of the first fixed side plate 5; a surface cleaning assembly 8 for cleaning the upper surface of the metal shell after drilling is installed on the inner top end of the second fixed side plate 7. The shell fixing assembly 4 can be adjusted and clamped according to the different specifications of the metal shell, and the first displacement assembly 3 can be moved left and right according to the different punching positions of the metal shell. At the same time, the movable positioning drilling assembly 6 installed on the inner side of the top end of the first fixed side plate 5 can be moved forward and backward according to the different punching positions of the metal shell to achieve the need for efficient punching. Finally, the surface cleaning component 8 can be used to clean the upper surface of the metal shell after drilling, thereby improving the processing speed of the metal shell. The first displacement component 3 includes a first protective outer frame plate 301, a first motor 302, a movable groove 303, a limiting slide groove 304, an adjusting screw rod 305, a screw rod movable block 306, a limiting sliding block 307 and a linkage slide rod 308; the upper end of the device fixing plate 1 is fixedly connected to the first protective outer frame plate 301; the first motor 302 is installed on the side end of the first protective outer frame plate 301; the upper end surface of the first protective outer frame plate 301 is provided with a movable groove 303, and the first protective outer frame plate 301 can play a protective role. Limiting grooves 304 are provided on both sides of the plate 301; an adjusting screw 305 is provided at the output end of the first motor 302; a screw movable block 306 is connected to the outer side of the adjusting screw 305 in a transmission manner; both sides of the screw movable block 306 are fixedly connected to limiting sliding blocks 307; a linkage slide rod 308 is fixedly connected to the upper end of the screw movable block 306, and the first motor 302 installed on the side end of the first protective outer frame plate 301 can drive the adjusting screw 305 to move, so that the screw movable block 306 can drive the linkage slide rod 308 to move in the movable groove 303, and the limiting sliding block 307 can slide synchronously in the limiting groove 304 to achieve a stable adjustment movement effect.

[0025] See also Figure 3-4In this embodiment, the shell fixing assembly 4 includes a shell placing frame plate 401, an L-shaped fixing plate 402, a hydraulic cylinder 403, a movable cross plate 404 and an elastic pressing pad 405; the upper end of the linkage slide bar 308 is fixedly connected to the shell placing frame plate 401; the front and rear ends of the shell placing frame plate 401 are fixedly connected to the L-shaped fixing plate 402; the hydraulic cylinder 403 is installed inside the L-shaped fixing plate 402; the movable end of the hydraulic cylinder 403 is fixedly connected to the movable cross plate 404; the elastic pressing pad 405 is installed inside the movable cross plate 404, and the hydraulic cylinder 403 installed inside the L-shaped fixing plate 402 can drive the movable cross plate 404 to move. The movable horizontal plate 404 moves so that the elastic pressing pad 405 can be adjusted, clamped and fixed according to the different specifications of the metal shell. The mobile positioning drilling assembly 6 includes a second motor 601, a threaded adjustment rotating rod 602, an adjustment sleeve block 603, a guide support rod 604, a guide slider 605, a movable mounting frame plate 606, a hydraulic lifting rod 607, a lifting horizontal plate 608, a drilling motor 609, a drill bit 610, a support vertical rod 611 and a positioning pressing block 612; the second motor 601 is installed on the top side end of the first fixed side plate 5; the output end of the second motor 601 is provided with a threaded adjustment rotating rod 602; the threaded adjustment rotating rod 602 is provided on the output end of the second motor 601 ... The outer side of the rod 602 is threadedly connected with an adjustment sleeve 603; the inner top of the first fixed side plate 5 is fixedly connected with a guide support rod 604; the outer side of the guide support rod 604 is slidably connected with a guide slider 605 connected with the adjustment sleeve 603, and the second motor 601 installed at the top side end of the first fixed side plate 5 can drive the threaded adjustment rotating rod 602 to rotate, so that the adjustment sleeve 603 can move forward and backward, and the guide slider 605 can move synchronously in the guide support rod 604, and the lower end of the guide slider 605 is fixedly connected with a movable mounting frame plate 606; the inner side of the bottom end of the movable mounting frame plate 606 is installed with a hydraulic lifting rod 607; The movable end of the hydraulic lifting rod 607 is fixedly connected to the lifting horizontal plate 608; a drilling motor 609 is installed at the lower end of the lifting horizontal plate 608; a drill bit 610 is installed at the output end of the drilling motor 609; both sides of the lower end of the lifting horizontal plate 608 are fixedly connected to support vertical rods 611; a positioning pressure block 612 is installed at the lower end of the support vertical rod 611, and the hydraulic lifting rod 607 on the movable mounting frame 606 can drive the lifting horizontal plate 608 to move up and down. Starting the drilling motor 609 allows the drill bit 610 to drill holes in the metal shell, and the support vertical rod 611 and the positioning pressure block 612 can achieve the effect of stable compression and fixation.

[0026] See also Figure 5In this embodiment, the surface cleaning assembly 8 includes a protective side plate 801, an L-shaped mounting plate 802, an electric telescopic rod 803, a movable frame plate 804, a protective slide plate 805, a cleaning mounting plate 806 and a cleaning soft brush 807; the protective side plate 801 is fixedly connected to the inner side of the top of the second fixed side plate 7; the L-shaped mounting plate 802 is installed on the side end of the protective side plate 801; the electric telescopic rod 803 is installed on the upper end of the L-shaped mounting plate 802; the movable end of the electric telescopic rod 803 is fixedly connected to the movable frame plate 804; the cleaning mounting plate 806 is installed on the lower end of the movable frame plate 804; the cleaning soft brush 807 is installed on the lower end of the cleaning mounting plate 806. When the drilling is completed, the electric telescopic rod 803 installed on the upper end of the L-shaped mounting plate 802 is started to drive the movable frame plate 804 to move left and right, so that the cleaning soft brush 807 under the cleaning mounting plate 806 can clean the upper surface of the metal shell after drilling, thereby improving the processing speed of the metal shell.

[0027] When working, firstly, the hydraulic cylinder 403 installed inside the L-shaped fixed plate 402 can be used to drive the movable horizontal plate 404 to move, so that the elastic pressing pad 405 can be adjusted and clamped according to the different specifications of the metal shell to achieve the effect of stable and fixed punching;

[0028] Then, the first motor 302 installed at the side end of the first protective outer frame plate 301 can drive the adjusting screw rod 305 to move, so that the screw rod movable block 306 can drive the linkage slide rod 308 to move in the movable groove 303, and the limiting sliding block 307 can slide synchronously in the limiting slide groove 304, so as to achieve the effect of stable adjustment movement;

[0029] Then, the second motor 601 installed at the top side end of the first fixed side plate 5 can drive the threaded adjustment rotating rod 602 to rotate, so that the adjustment sleeve block 603 can move forward and backward, and the guide slider 605 can move synchronously in the guide support rod 604, and the hydraulic lifting rod 607 on the movable mounting frame plate 606 can drive the lifting horizontal plate 608 to move up and down, and the drilling motor 609 is started to make the drill bit 610 perform drilling processing on the metal shell, and the support vertical rod 611 and the positioning pressure block 612 can play a stable pressing and fixing effect;

[0030] When the drilling is completed, the electric telescopic rod 803 installed on the upper end of the L-shaped mounting plate 802 can be started to drive the movable frame 804 to move left and right, so that the cleaning soft brush 807 under the cleaning mounting plate 806 can clean the upper surface of the metal shell after drilling, thereby improving the processing speed of the metal shell.

[0031] Through the above steps, the shell fixing component 4 can be adjusted and clamped according to the different specifications of the metal shell, and the first displacement component 3 can be moved left and right according to the different punching positions of the metal shell. At the same time, the mobile positioning drilling component 6 installed on the inner side of the top end of the first fixed side plate 5 can be moved back and forth according to the different punching positions of the metal shell to achieve the need for efficient drilling. Finally, the surface cleaning component 8 can be used to clean the upper surface of the metal shell after drilling, so as to solve the problem that during the use of the drilling device, the position of the mobile drilling cannot be quickly adjusted according to the need of drilling holes in the metal shell, and the surface of the metal shell cannot be cleaned synchronously after the holes are drilled stably.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A drilling device for metal shell processing, comprising a device fixing plate (1); characterized in that: The device also comprises an anti-skid bottom pad (2), a first displacement assembly (3), a shell fixing assembly (4), a first fixed side plate (5), a movable positioning drilling assembly (6), a second fixed side plate (7), and a surface cleaning assembly (8); the anti-skid bottom pad (2) is fixedly connected at the four corners of the lower end of the device fixing plate (1); the upper end of the device fixing plate (1) is equipped with a first displacement assembly (3) for adjusting left and right movement according to different punching positions of the metal shell; the upper end of the first displacement assembly (3) is equipped with a shell fixing assembly (4) for clamping according to different specifications of the metal shell; the first fixed side plates (5) are fixedly connected to both sides of the upper part of the device fixing plate (1); the movable positioning drilling assembly (6) for adjusting front and rear movement according to different punching positions of the metal shell is installed on the inner side of the top end of the first fixed side plate (5); the side end of the first fixed side plate (5) is fixedly connected to the second fixed side plate (7); the inner top end of the second fixed side plate (7) is equipped with a surface cleaning assembly (8) for cleaning the upper surface of the metal shell after drilling.

2. A drilling device for metal shell processing according to claim 1, characterized in that: The first displacement assembly (3) comprises a first protective outer frame plate (301), a first motor (302), a movable groove (303), a limiting sliding groove (304), an adjusting screw rod (305), a screw rod movable block (306), a limiting sliding block (307) and a linkage sliding rod (308); the upper end of the device fixed plate (1) is fixedly connected to the first protective outer frame plate (301); the first motor (302) is installed on the side end of the first protective outer frame plate (301); and the upper end surface of the first protective outer frame plate (301) is provided with a movable groove (303).

3. A drilling device for metal shell processing according to claim 2, characterized in that: Both sides of the first protective outer frame plate (301) are provided with limited sliding grooves (304); the output end of the first motor (302) is provided with an adjusting screw rod (305); the outer side of the adjusting screw rod (305) is transmission-connected with a screw rod movable block (306); both sides of the screw rod movable block (306) are fixedly connected with limited sliding blocks (307); and the upper end of the screw rod movable block (306) is fixedly connected with a linkage sliding rod (308).

4. A drilling device for metal shell processing according to claim 3, characterized in that: The shell fixing assembly (4) comprises a shell placing frame plate (401), an L-shaped fixing plate (402), a hydraulic cylinder (403), a movable transverse plate (404) and an elastic pressing pad (405); the upper end of the linkage slide rod (308) is fixedly connected to the shell placing frame plate (401); the front and rear ends of the shell placing frame plate (401) are fixedly connected to the L-shaped fixing plate (402); the hydraulic cylinder (403) is installed inside the L-shaped fixing plate (402); the movable end of the hydraulic cylinder (403) is fixedly connected to the movable transverse plate (404); and the elastic pressing pad (405) is installed inside the movable transverse plate (404).

5. The drilling device for metal shell processing according to claim 1, characterized in that: The mobile positioning drilling assembly (6) comprises a second motor (601), a threaded adjustment rotating rod (602), an adjustment sleeve (603), a guide support rod (604), a guide slider (605), a mobile mounting frame (606), a hydraulic lifting rod (607), a lifting horizontal plate (608), a drilling motor (609), a drill bit (610), a support vertical rod (611) and a positioning pressing block (612); the second motor (601) is installed at the top side end of the first fixed side plate (5); the output end of the second motor (601) is provided with a threaded adjustment rotating rod (602); the outer side of the threaded adjustment rotating rod (602) is threadedly connected to the adjustment sleeve (603); the inner top end of the first fixed side plate (5) is fixedly connected to the guide support rod (604); the outer side of the guide support rod (604) is slidably connected to the guide slider (605) connected to the adjustment sleeve (603).

6. A drilling device for metal shell processing according to claim 5, characterized in that: The lower end of the guide slider (605) is fixedly connected to a movable mounting frame plate (606); a hydraulic lifting rod (607) is installed on the inner side of the bottom end of the movable mounting frame plate (606); the movable end of the hydraulic lifting rod (607) is fixedly connected to a lifting horizontal plate (608); a drilling motor (609) is installed at the lower end of the lifting horizontal plate (608); a drill bit (610) is installed at the output end of the drilling motor (609); both sides of the lower end of the lifting horizontal plate (608) are fixedly connected to supporting vertical rods (611); and a positioning pressing block (612) is installed at the lower end of the supporting vertical rod (611).

7. A drilling device for metal shell processing according to claim 1, characterized in that: The surface cleaning assembly (8) comprises a protective side plate (801), an L-shaped mounting plate (802), an electric telescopic rod (803), a movable frame plate (804), a protective chute plate (805), a cleaning mounting plate (806) and a cleaning soft brush (807); the protective side plate (801) is fixedly connected to the inner side of the top end of the second fixed side plate (7); the L-shaped mounting plate (802) is installed at the side end of the protective side plate (801); the electric telescopic rod (803) is installed at the upper end of the L-shaped mounting plate (802); the movable end of the electric telescopic rod (803) is fixedly connected to the movable frame plate (804); the cleaning mounting plate (806) is installed at the lower end of the movable frame plate (804); and the cleaning soft brush (807) is installed at the lower end of the cleaning mounting plate (806).

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