Sheet metal part drilling tool

Abstract

The utility model relates to the technical field of sheet metal part machining, and discloses a sheet metal part drilling tool which comprises an installation frame, a water tank is fixedly connected to the inner side of the installation frame, a water pump is fixedly connected to the outer side of the water tank, a water passing pipe is fixedly connected to the input end of the water pump, and an electric telescopic column is fixedly connected to the top of the installation frame. An electric sliding rail is fixedly connected to the output end of the electric telescopic column, a moving block is slidably connected to the exterior of the electric sliding rail, a connecting mechanism is fixedly connected to one side of the exterior of the moving block, and a drilling machine is fixedly connected to the side, away from the electric sliding rail, of the connecting mechanism. According to the drilling device, water spraying and cooling can be conducted on the drill bit in the drilling process of the drilling device, the cleanness of the working environment is guaranteed, therefore, the temperature of the drill bit cannot be too high, and meanwhile the body health of workers is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal processing, in particular to a sheet metal drilling tool. Background Art

[0002] The drilling device of sheet metal parts is related to the mold. In the manufacturing process of sheet metal parts, the drilling device is usually used in cooperation with the mold. For example, when it is necessary to drill a hole at a specific position on a sheet metal part, a drilling device is needed, and the positioning accuracy of the drilling device often depends on the accuracy of the mold.

[0003] After searching, a Chinese patent discloses a sheet metal drilling tool (publication number CN218135089U), including a bottom plate, threaded blocks are slidably connected to the middle of the left and right sides of the upper end surface of the bottom plate through a slide groove, a connecting rod is rotatably connected to the middle of the threaded block through a pin shaft, and a lifting platform is rotatably connected to the upper end of the connecting rod through a pin shaft, and a slide groove plate is slidably connected to the middle of the front side of the upper end of the lifting platform. Although this patented technology facilitates the placement and clamping of sheet metal parts of different sizes and thicknesses, thereby ensuring the stability of the sheet metal parts during the drilling process, and is convenient for drilling holes at different positions of the sheet metal parts, thereby improving the accuracy of drilling and improving the drilling efficiency, this patent cannot cool and dustproof the drill bit when drilling, which causes the drill bit to overheat during the processing, resulting in a reduction in the life of the drill bit. At the same time, dust or debris will be generated during the drilling process, which leads to pollution of the working space and then affects the health of the staff. Therefore, a person skilled in the art provides a sheet metal drilling tool to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a sheet metal drilling tool, which aims to improve the problem that the drilling device in the prior art cannot cool and dust the drill bit when drilling, which not only reduces the life of the drill bit but also affects the health of the workers.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A sheet metal drilling tooling, comprising a mounting frame, a water tank is fixedly connected to the inner side of the mounting frame, a water pump is fixedly connected to the outer side of the water tank, a water pipe is fixedly connected to the input end of the water pump, an electric telescopic column is fixedly connected to the top of the mounting frame, an electric slide rail is fixedly connected to the output end of the electric telescopic column, a moving block is slidably connected to the outside of the electric slide rail, a connecting mechanism is fixedly connected to one side of the outside of the moving block, a drilling machine is fixedly connected to the side of the connecting mechanism away from the electric slide rail, a spray head is fixedly connected to the side of the moving block away from the drilling machine, the output end of the water pump is fixedly connected to a hose, and the other end of the hose is fixedly connected to the top of the spray head, a power assembly is fixedly connected to the side of the mounting frame away from the water pump, and a clamping mechanism is arranged outside the power assembly;

[0007] Through the above technical solution, after starting the water pump, the water in the water tank can be pumped out by the water pipe, transmitted to the spray head through the hose, and then the water is sprayed out through the spray head to realize the cooling of the drill bit at the bottom of the drilling machine, thereby improving the service life of the drill bit, and also being able to wash away the chips and dust generated during drilling to prevent pollution of the working space.

[0008] Further, the connecting mechanism includes a fixed sleeve, one side of the fixed sleeve close to the electric slide rail is fixedly connected to the side of the moving block away from the spray head, an installation cylinder is fixedly connected to the outside of the fixed sleeve, a spring is fixedly connected to the inside of the installation cylinder, the other end of the spring is fixedly connected to a limiting plate, a clamping column is fixedly connected to the middle of the limiting plate, a sliding block is slidably connected to the inside of the fixed sleeve, a clamping hole is opened in the inside of the sliding block, the side of the sliding block away from the electric slide rail is fixedly connected to the outside of the drilling machine, and a pull ring is fixedly connected to the side of the clamping column away from the fixed sleeve;

[0009] Through the above technical solution, by pulling the pull ring to drive the clamping column to move outwards, the clamping column can be pulled out of the inside of the clamping hole, and then the sliding block can be slid out of the inside of the fixed sleeve to realize disassembly. During installation, just insert the sliding block into the inside of the fixed sleeve and then release the pull ring. Under the action of the spring, the limiting plate can be driven to move towards the fixed sleeve, and then the clamping column can be driven to insert into the inside of the clamping hole again, realizing the installation of the drilling machine, so it is convenient for installation.

[0010] Further, the power assembly includes a motor one, the motor one is fixedly connected to the outside of the mounting frame, a threaded rod is fixedly connected to the output end of the motor one, a driving frame is threadedly connected to the outside of the threaded rod, and a sliding track is fixedly connected to the top of the mounting frame;

[0011] Through the above technical solution, by the rotation of the output end of the motor one, the threaded rod can be driven to rotate, thereby driving the driving frame to move, and thus the movement of the installation shell can be realized.

[0012] Further, the clamping mechanism includes a mounting shell, the outside of the mounting shell is fixedly connected to the side of the driving frame away from the threaded rod, a plurality of sliding sleeves are fixedly connected inside the outer wall of the mounting shell, an extrusion column is threadedly connected inside the sliding sleeve, a driving column is fixedly connected to the bottom of the extrusion column, a fixing frame is fixedly connected inside the mounting shell, a second motor is fixedly connected to the bottom of the fixing frame, a rotating frame is fixedly connected to the output end of the second motor, and a plurality of the driving columns are all slidably connected inside the rotating frame; the side of the mounting shell away from the extrusion column is slidably connected to the outside of the sliding track;

[0013] Through the above technical solution, by starting the second motor to drive the rotating frame to rotate, the driving column can be driven to move towards the middle, and then the extrusion column can be driven to move towards the middle, so that the sheet metal part can be clamped, realizing automatic clamping.

[0014] Further, one end of the water pipe located inside the water tank is fixedly connected with a filtering mechanism, a drain pipe is fixedly connected to the side of the water tank away from the filtering mechanism, and a threaded cover is threadedly connected to the side of the drain pipe away from the water tank;

[0015] Through the above technical solution, the filtering mechanism can further finely filter the water in the water tank, so that the water in the water tank can be reused, saving water resources.

[0016] Further, the filtering mechanism includes a threaded mounting cover, one side of the threaded mounting cover away from the drain pipe is fixedly connected to one end of the water pipe away from the water pump, an installation filter cylinder is threadedly connected to the side of the threaded mounting cover away from the water pipe, a filter element is slidably connected inside the installation filter cylinder, and a pull handle is fixedly connected to the bottom of the filter element;

[0017] Through the above technical solution, after the installation filter cylinder is unscrewed from the threaded mounting cover, the installation filter cylinder and the internal filter element can be completely disassembled. At this time, pull the pull handle, and the filter element can be pulled out of the inside of the installation filter cylinder after pulling the pull handle, realizing the disassembly and replacement of the filter element.

[0018] Further, a filter plate is arranged on the top of the mounting frame, and a sealing gasket is fixedly connected to the inner side of the threaded cover;

[0019] Through the above technical solution, the filter plate can first filter the water entering the water tank and block larger impurities, and the sealing gasket can improve the sealing performance of the threaded cover.

[0020] Further, the threaded rod is rotatably connected to the outside of the mounting frame.

[0021] Through the above technical solution, after the threaded rod is rotatably connected to the outside of the mounting bracket, the stability of the threaded rod during rotation can be improved.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, through the composition of structures such as a water tank, a water pump, a water pipe, a nozzle, and a filtering mechanism, it is realized that during the drilling process of the drilling device, water can be sprayed on the drill bit for cooling, so that the temperature of the drill bit will not be too high. At the same time, the dust or debris generated during drilling can be discharged into the water tank, and then dust will not be generated, ensuring a clean working environment, thus ensuring the physical health of the staff, and being able to reuse water resources and save water.

[0024] 2. In the utility model, through the composition of structures such as a fixing sleeve, an installation cylinder, a spring, a limiting plate, a clamping column, and a clamping hole, it is realized that the drilling machine can be quickly disassembled, so that the disassembly and installation of the drilling machine are convenient, and thus it is convenient to disassemble the drilling machine for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a perspective view of a sheet metal part drilling tooling proposed by the utility model;

[0026] Figure 2 is a schematic structural diagram of a power component in a sheet metal part drilling tooling proposed by the utility model;

[0027] Figure 3 is a schematic structural diagram of a filtering mechanism in a sheet metal part drilling tooling proposed by the utility model;

[0028] Figure 4 is a sectional view of an installation filtering cylinder in a sheet metal part drilling tooling proposed by the utility model;

[0029] Figure 5 is a sectional view of an installation cylinder in a sheet metal part drilling tooling proposed by the utility model;

[0030] Figure 6 is a schematic diagram of a clamping hole in a sheet metal part drilling tooling proposed by the utility model;

[0031] Figure 7 is a schematic structural diagram of a clamping mechanism in a sheet metal part drilling tooling proposed by the utility model.

[0032] Legend Explanation:

[0033] 1. Mounting frame; 2. Water tank; 3. Water pump; 4. Water pipe; 5. Electric telescopic column; 6. Electric slide rail; 7. Moving block; 8. Drilling machine; 9. Sprinkler head; 10. Power assembly; 1001. Motor 1; 1002. Threaded rod; 1003. Driving frame; 1004. Sliding track; 11. Clamping mechanism; 1101. Mounting shell; 1102. Sliding sleeve; 1103. Extrusion column; 1104. Driving column; 1105. Fixed frame; 1106. Motor 2; 1107. Rotating frame; 12. Filter plate; 13. Connecting mechanism; 1301. Fixed sleeve; 1302. Mounting cylinder; 1303. Spring; 1304. Limiting plate; 1305. Clamping column; 1306. Pull ring; 1307. Slide block; 1308. Clamping hole; 14. Drain pipe; 15. Threaded cover; 16. Filtering mechanism; 1601. Threaded mounting cover; 1602. Mounting filter cylinder; 1603. Filter element; 1604. Pull handle; 17. Hose. Detailed implementation manner

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0035] Refer to the attached Figure 1 - Figure 2, an embodiment provided by the present utility model: a drilling tool for sheet metal parts, including a drilling tool for sheet metal parts, which includes a mounting frame 1. A water tank 2 is fixedly connected to the inner side of the mounting frame 1. The mounting frame 1 can provide an installation position, and the water tank 2 can store water. A water pump 3 is fixedly connected to the outer side of the water tank 2. The water pump 3 can pump water out of the water tank 2. A water pipe 4 is fixedly connected to the input end of the water pump 3. The water pipe 4 can connect the water tank 2 and the water pump 3. An electric telescopic column 5 is fixedly connected to the top of the mounting frame 1. The electric telescopic column 5 can drive the electric slide rail 6 to move up and down. The output end of the electric telescopic column 5 is fixedly connected to an electric slide rail 6. The electric slide rail 6 can drive the moving block 7 to move back and forth. A moving block 7 is slidably connected to the outside of the electric slide rail 6. A connecting mechanism 13 is fixedly connected to one side of the outside of the moving block 7. The setting of the connecting mechanism 13 can realize the quick installation and disassembly of the drilling machine 8. A drilling machine 8 is fixedly connected to the side of the connecting mechanism 13 away from the electric slide rail 6. A spray head 9 is fixedly connected to the side of the moving block 7 away from the drilling machine 8. The spray head 9 can spray water. A hose 17 is fixedly connected to the output end of the water pump 3. The hose 17 can connect the output end of the water pump 3 and the spray head 9. The other end of the hose 17 is fixedly connected to the top of the spray head 9. A power assembly 10 is fixedly connected to the side of the mounting frame 1 away from the water pump 3. The power assembly 10 can provide power for the movement of the clamping mechanism 11. A clamping mechanism 11 is arranged outside the power assembly 10. The clamping mechanism 11 can automatically clamp and fix the sheet metal parts. A filter plate 12 is arranged on the top of the mounting frame 1. The filter plate 12 can filter the water in the filter plate 12. A sealing gasket is fixedly connected to the inner side of the threaded cover 15. The sealing gasket can improve the sealing performance of the threaded cover 15.

[0036] Refer to the attached Figure 1 , Figure 5 and Figure 6 , the connecting mechanism 13 includes a fixed sleeve 1301. The side of the fixed sleeve 1301 close to the electric slide rail 6 is fixedly connected to the side of the moving block 7 away from the spray head 9. The fixed sleeve 1301 can provide a basis for splicing. An installation cylinder 1302 is fixedly connected to the outside of the fixed sleeve 1301. The installation cylinder 1302 can provide an installation position. A spring 1303 is fixedly connected to the inside of the installation cylinder 1302. The other end of the spring 1303 is fixedly connected to a limit plate 1304. The limit plate 1304 plays a limiting role and can be reset through the spring 1303. A clamping column 1305 is fixedly connected to the middle of the limit plate 1304. A sliding block 1307 is slidably connected to the inside of the fixed sleeve 1301. After the sliding block 1307 slides into the inside of the fixed sleeve 1301, the splicing of the drilling machine 8 can be realized. A clamping hole 1308 is opened in the inside of the sliding block 1307. The side of the sliding block 1307 away from the electric slide rail 6 is fixedly connected to the outside of the drilling machine 8. A pull ring 1306 is fixedly connected to the side of the clamping column 1305 away from the fixed sleeve 1301. The pull ring 1306 can facilitate the user to pull.

[0037] Reference appendix Figure 1 - Figure 2 Figure 1 - Figure 2 , the power assembly 10 includes a first motor 1001, the first motor 1001 is fixedly connected to the outside of the mounting bracket 1, the first motor 1001 can provide power, the output end of the first motor 1001 is fixedly connected with a threaded rod 1002, the outside of the threaded rod 1002 is threadedly connected with a driving frame 1003, the rotation of the output end of the first motor 1001 can drive the driving frame 1003 to move, after the driving frame 1003 moves, it can drive the clamping mechanism 11 to move, the top of the mounting bracket 1 is fixedly connected with a sliding track 1004, the sliding track 1004 can improve the stability of the clamping mechanism 11 when sliding, and the threaded rod 1002 is rotatably connected to the outside of the mounting bracket 1.

[0038] Reference appendix Figure 2 and Figure 7 Figure 7 , the clamping mechanism 11 includes a mounting shell 1101, the outside of the mounting shell 1101 is fixedly connected to the side of the driving frame 1003 away from the threaded rod 1002, a plurality of sliding sleeves 1102 are fixedly connected to the inner wall of the outer wall of the mounting shell 1101, the mounting shell 1101 can provide a mounting position, the inside of the sliding sleeve 1102 is threadedly connected with a pressing column 1103, the pressing column 1103 can slide inside the sliding sleeve 1102, so as to stabilize the pressing column 1103 and limit the movement track of the pressing column 1103, the bottom of the pressing column 1103 is fixedly connected with a driving column 1104, a fixing frame 1105 is fixedly connected to the inside of the mounting shell 1101, the fixing frame 1105 can provide a mounting position, a second motor 1106 is fixedly connected to the bottom of the fixing frame 1105, the output end of the second motor 1106 is fixedly connected with a rotating frame 1107, after the output end of the second motor 1106 rotates, it can drive the rotating frame 1107 to rotate, so as to drive the driving column 1104 to move towards the middle, and then drive the pressing column 1103 to move towards the middle, a plurality of driving columns 1104 are all slidably connected to the inside of the rotating frame 1107, and the side of the mounting shell 1101 away from the pressing column 1103 is slidably connected to the outside of the sliding track 1004.

[0039] Reference appendix Figure 1 、 Figure 3 and Figure 4, one end of the water pipe 4 located inside the water tank 2 is fixedly connected with a filtering mechanism 16. The filtering mechanism 16 can filter the water in the water tank 2 again. One side of the outside of the water tank 2 far from the filtering mechanism 16 is fixedly connected with a drain pipe 14. The drain pipe 14 can drain the water in the water tank 2. The threaded cover 15 is threadedly connected to the side of the drain pipe 14 far from the water tank 2. The threaded cover 15 can block the drain pipe 14. The filtering mechanism 16 includes a threaded mounting cover 1601. One side of the threaded mounting cover 1601 far from the drain pipe 14 is fixedly connected to one end of the water pipe 4 far from the water pump 3. The mounting filter cylinder 1602 is threadedly connected to the side of the threaded mounting cover 1601 far from the water pipe 4. The mounting filter cylinder 1602 can provide an installation position. A filter element 1603 is slidably connected inside the mounting filter cylinder 1602. The filter element 1603 can filter water. A pull handle 1604 is fixedly connected to the bottom of the filter element 1603. The pull handle 1604 facilitates pulling the filter element 1603 out of the inside of the mounting filter cylinder 1602.

[0040] Working principle: When drilling, first place the sheet metal part between multiple pressing columns 1103, start the second motor 1106. After the output end of the second motor 1106 starts, it can drive the rotating frame 1107 to rotate. After the rotating frame 1107 rotates, it can drive the driving column 1104 to move towards the middle. After the driving column 1104 moves towards the middle, it can drive the pressing columns 1103 to move towards the middle, and then the sheet metal part can be clamped by the pressing columns 1103. At this time, start the first motor 1001. After the output end of the first motor 1001 rotates, it can drive the threaded rod 1002 to rotate. After the threaded rod 1002 rotates, it can drive the driving frame 1003 to move. After the driving frame 1003 moves, it can drive the clamping mechanism 11 to move. At the same time, the sliding track 1004 can provide the condition for sliding. When the sheet metal part is moved to the bottom of the drilling machine 8, start the electric telescopic column 5 to drive the drilling machine 8 to move up and down, and start the electric slide rail 6 to drive the moving block 7 to move back and forth on the electric slide rail 6, so as to drive the drilling machine 8 to move back and forth, thus facilitating automatic drilling;

[0041] When drilling, start the water pump 3. The output end of the water pump 3 pumps the water in the water tank 2 into the hose 17 through the water pipe 4 and sprays it out through the nozzle 9, so that it can be sprayed on the drill hole of the drilling machine 8, and then the drill bit can be cooled, so that the drill bit can be protected and the temperature of the drill bit can be prevented from being too high. At the same time, the dust and debris generated during the drilling process can be flushed into the inside of the water tank 2, so as to keep the working space clean and tidy;

[0042] When disassembling the drilling machine, first pull the pull ring 1306. After the pull ring 1306 moves away from the fixed sleeve 1301, it can drive the clamping post 1305 to move outwards, and then drive the limiting plate 1304 to move towards the pull ring 1306. While compressing the spring 1303, the clamping post 1305 can be pulled out of the inside of the clamping hole 1308. At this time, lift the drilling machine 8 upwards, so that the slider 1307 can slide out of the inside of the fixed sleeve 1301 to complete the disassembly. When installing, just pull the pull ring 1306 outwards and slide the slider 1307 into the inside of the fixed sleeve 1301. Then, under the action of the spring 1303, drive the limiting plate 1304 to move towards one side of the fixed sleeve 1301, so that the clamping post 1305 can slide into the inside of the clamping hole 1308, thus realizing rapid installation and disassembly.

[0043] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sheet metal drilling tool, comprising a mounting frame (1), characterized in that: The inner side of the mounting frame (1) is fixedly connected to a water tank (2), the outer side of the water tank (2) is fixedly connected to a water pump (3), the input end of the water pump (3) is fixedly connected to a water pipe (4), the top of the mounting frame (1) is fixedly connected to an electric telescopic column (5), the output end of the electric telescopic column (5) is fixedly connected to an electric slide rail (6), the outer side of the electric slide rail (6) is slidably connected to a moving block (7), the outer side of the moving block (7) is fixedly connected to a connecting mechanism (13), the side of the connecting mechanism (13) away from the electric slide rail (6) is fixedly connected to a drilling machine (8), the side of the moving block (7) away from the drilling machine (8) is fixedly connected to a nozzle (9), the output end of the water pump (3) is fixedly connected to a hose (17), the other end of the hose (17) is fixedly connected to the top of the nozzle (9), the side of the mounting frame (1) away from the water pump (3) is fixedly connected to a power assembly (10), and the outer side of the power assembly (10) is provided with a clamping mechanism (11).

2. A sheet metal drilling tool according to claim 1, characterized in that: The connecting mechanism (13) comprises a fixing sleeve (1301), a side of the fixing sleeve (1301) close to the electric slide rail (6) being fixedly connected to a side of the moving block (7) away from the nozzle (9), an outside of the fixing sleeve (1301) being fixedly connected to a mounting cylinder (1302), an inside of the mounting cylinder (1302) being fixedly connected to a spring (1303), the other end of the spring (1303) being fixedly connected to a limiting plate (1304), a middle part of the limiting plate (1304) being fixedly connected to a clamping column (1305), an inside of the fixing sleeve (1301) being slidably connected to a slider (1307), a clamping hole (1308) being provided inside the slider (1307), a side of the slider (1307) away from the electric slide rail (6) being fixedly connected to the outside of the drilling machine (8), and a portion of the clamping column (1305) away from the fixing sleeve (1301) being fixedly connected to a pull ring (1306).

3. The sheet metal drilling tool according to claim 1, characterized in that: The power assembly (10) comprises a motor 1 (1001), wherein the motor 1 (1001) is fixedly connected to the outside of the mounting frame (1), the output end of the motor 1 (1001) is fixedly connected to a threaded rod (1002), the outer thread of the threaded rod (1002) is connected to a driving frame (1003), and the top of the mounting frame (1) is fixedly connected to a sliding track (1004).

4. A sheet metal drilling tool according to claim 3, characterized in that: The clamping mechanism (11) comprises a mounting shell (1101), the outside of the mounting shell (1101) being fixedly connected to a side of the driving frame (1003) away from the threaded rod (1002), a plurality of sliding sleeves (1102) being fixedly connected to the inside of the outer wall of the mounting shell (1101), an extrusion column (1103) being threadedly connected to the inside of the sliding sleeve (1102), a driving column (1104) being fixedly connected to the bottom of the extrusion column (1103), a fixing frame (1105) being fixedly connected to the inside of the mounting shell (1101), a second motor (1106) being fixedly connected to the bottom of the fixing frame (1105), a rotating frame (1107) being fixedly connected to the output end of the second motor (1106), a plurality of driving columns (1104) being slidably connected to the inside of the rotating frame (1107), and a side of the mounting shell (1101) away from the extrusion column (1103) being slidably connected to the outside of the sliding track (1004).

5. The sheet metal drilling tool according to claim 1, characterized in that: One end of the water pipe (4) located inside the water tank (2) is fixedly connected to a filter mechanism (16), and a side of the outside of the water tank (2) away from the filter mechanism (16) is fixedly connected to a drain pipe (14), and a side of the drain pipe (14) away from the water tank (2) is threadedly connected to a threaded cover (15).

6. A sheet metal drilling tool according to claim 5, characterized in that: The filtering mechanism (16) comprises a threaded mounting cover (1601), wherein a side of the threaded mounting cover (1601) away from the drain pipe (14) is fixedly connected to an end of the water pipe (4) away from the water pump (3), a side of the threaded mounting cover (1601) away from the water pipe (4) is threadedly connected to a mounting filter cartridge (1602), a filter element (1603) is slidably connected inside the mounting filter cartridge (1602), and a handle (1604) is fixedly connected to the bottom of the filter element (1603).

7. The sheet metal drilling tool according to claim 5, characterized in that: A filter plate (12) is arranged on the top of the mounting frame (1), and a sealing gasket is fixedly connected to the inner side of the threaded cover (15).

8. The sheet metal drilling tool according to claim 3, characterized in that: The threaded rod (1002) is rotatably connected to the outside of the mounting frame (1).

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