Metal cutting equipment

Abstract

The utility model relates to the technical field of metal cutting, in particular to metal cutting equipment which is used for collecting and separating spiral chips and cutting fluid, reducing the labor intensity of workers, conveniently recycling the cutting fluid and reducing the consumption of the cutting fluid. Comprising a workbench, a box body, supporting legs, a cutter, a fixing mechanism, a moving mechanism, a position adjusting assembly, a collecting assembly and a spraying assembly, the workbench is fixedly connected to the top end of the box body, a box door is arranged at the front end of the box body, the supporting legs are fixedly installed at the four corners of the bottom of the box body respectively, and the moving mechanism is installed at the rear end of the workbench; the cutter is connected with the moving mechanism through the position adjusting assembly, the spraying assembly is installed in the box body, the output end of the spraying assembly is installed on the cutter, the collecting assembly is installed in the box body, and the fixing mechanisms are installed at the left end and the right end of the top of the workbench.

Description

Technical Field

[0001] The utility model relates to the technical field of metal cutting, in particular to a metal cutting device. Background Art

[0002] The metal cutting process is a process of interaction between a workpiece and a tool. There must be relative motion between the workpiece and the tool, i.e., cutting motion. In the process of metal parts processing, the metal parts need to be cut, and in the process of cutting, the metal parts need to be sprayed with cutting fluid. A metal profile cutting device proposed by prior art publication number CN219704331U includes a processing table, the processing table includes a workbench, the upper end of the workbench is provided with a side guard plate, the lower side of the workbench is provided with an exhaust assembly, the inner side of the workbench is provided with a profile placement rack, the profile placement rack includes a support plate arranged inside the workbench, the support plate is provided with a plurality of clamps, the side guard plate is provided with a displacement assembly, the displacement assembly is provided with a cutting assembly, and a collection drawer is provided on the lower side of the support plate in the workbench. However, when cutting the workpiece, spiral chips will be generated, and the spiral chips will fall on the workbench together with the cutting fluid, which not only increases the trouble of the staff to clean the desktop, but also is not conducive to the recycling of the cutting fluid, and increases the consumption of the cutting fluid. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a metal cutting device which can collect and separate spiral chips and cutting fluid, reduce the labor intensity of staff, facilitate the recycling of cutting fluid, and reduce the consumption of cutting fluid.

[0004] The utility model discloses a metal cutting device, comprising a workbench, a box body, legs, a cutter, a fixing mechanism, a moving mechanism, a position adjustment component, a collecting component and a spraying component. The workbench is fixedly connected to the top of the box body, a box door is arranged at the front end of the box body, legs are fixedly installed at the four corners of the bottom of the box body respectively, the moving mechanism is installed at the rear end of the workbench, the cutter is connected to the moving mechanism through the position adjustment component, the spraying component is installed inside the box body, and the output end of the spraying component is installed on the cutter, the collecting component is installed inside the box body, and the fixing mechanism is installed at the left and right ends of the top of the workbench; the metal workpiece is fixed to the top of the workbench through the fixing mechanism, the cutter is driven to move by the moving mechanism and the position adjustment component to perform cutting processing on the metal workpiece, the spraying component sprays cutting fluid to cool the cutter, the spiral chips and the cutting fluid are collected and separated by the collecting component, the labor intensity of the staff is reduced, the cutting fluid is recycled and utilized conveniently, and the consumption of the cutting fluid is reduced.

[0005] Preferably, the fixing mechanism comprises two support arms, a three-jaw chuck, a driver, a support rod, a forward and reverse motor, a threaded rod, a push rod, a push plate and a push head, the two support arms are symmetrically mounted on the left and right ends of the top of the workbench, the three-jaw chuck is rotatably mounted on the upper part of the left support arm, the input end of the three-jaw chuck is connected to the output end of the driver, the support rod is fixedly mounted on the right end of the top of the workbench, the forward and reverse motor is fixedly mounted on the right side wall of the right support arm, the output end of the forward and reverse motor is connected to the threaded rod, the threaded rod is rotatably mounted on the upper part of the support rod, the push rod is slidably mounted on the upper part of the support arm, the right end of the push rod is fixedly mounted with a push plate, the lower part of the push plate is screwed on the outer wall of the threaded rod, and the left end of the push rod is rotatably mounted with a push head; the metal workpiece is clamped on the three-jaw chuck, the forward and reverse motor is started to drive the threaded rod to rotate, the threaded rod pushes the push rod to move in the direction of the three-jaw chuck through the push plate, so that the push head presses the workpiece tightly, ensures the stability of the workpiece, improves the processing quality, and drives the three-jaw chuck to rotate through the driver, so that the metal workpiece rotates and is processed.

[0006] Preferably, the driver is internally composed of a transmission and a servo motor, the output end of the transmission is connected to the output end of the three-jaw chuck, and the input end of the transmission is connected to the output end of the servo motor; starting the servo motor drives the three-jaw chuck to rotate through the transmission, which is convenient for control.

[0007] Preferably, the collecting assembly comprises a collecting cylinder, a liquid storage cylinder, a screen, a first transmission, a reduction motor, a rotating rod, a plurality of toggling leaves, a plurality of toggling rods, a plurality of cleaning brushes and a plurality of scrapers; a downwardly contracting guide groove is provided on the top of the workbench, an opening is provided in the middle of the guide groove, the collecting cylinder is fixedly connected to the bottom opening of the workbench, the bottom end of the collecting cylinder is connected to the liquid storage cylinder, a screen is detachably installed at the position where the top of the liquid storage cylinder is connected to the collecting cylinder, the first transmission is fixedly connected to the bottom of the liquid storage cylinder, the input end of the first transmission is connected to the output end of the reduction motor, the output end of the first transmission is connected to the rotating rod through the bottom end of the liquid storage cylinder, a plurality of toggling leaves are evenly installed on the outer wall of the rotating rod, and a plurality of toggling leaves are installed on the outer wall of the toggling leaves There are multiple levers, the top of the rotating rod passes through the bottom of the screen and a cleaning brush is disassembled and installed, the bottom of the cleaning brush contacts the top of the screen, a scraper is installed on the upper part of the outer wall of the cleaning brush, and the scraper is in sliding contact with the inner wall of the collecting cylinder; the spiral chips and cutting fluid enter the collecting cylinder through the opening in the guide groove on the top of the workbench, the spiral chips and the cutting fluid are separated by the screen, the reduction motor is started to drive the rotating rod to rotate through the first transmission, the rotating rod drives the cleaning brush and the scraper to rotate to push and clean the inner wall of the collecting cylinder and the top of the screen, and at the same time, the toggle blade and the lever are rotated to stir the cutting fluid, which is convenient for cooling the cutting fluid, reducing the labor intensity of the staff, facilitating the recycling of the cutting fluid, and reducing the consumption of the cutting fluid.

[0008] Preferably, the moving mechanism includes a moving seat, a column, a second transmission, a second servo motor, a screw rod and a lifting block. A limiting groove is provided on the rear side wall of the workbench, and the moving screw is installed in the limiting groove. The input end of the moving screw is provided with a driving device connected to the driving seat, the moving seat is slidably installed in the limiting groove, and the moving seat is screwed on the moving screw, the column is fixedly installed on the rear side wall of the moving seat, a lifting cavity is provided inside the column, and a lifting groove connected to the lifting cavity is provided at the front end of the column, the second transmission is installed at the lower part of the lifting cavity, the input end of the second transmission is connected to the output end of the second servo motor, the output end of the second transmission is connected with a screw rod, the screw rod is rotatably installed in the lifting cavity, the lifting block is slidably installed in the lifting cavity, and the lifting block is screwed on the outer wall of the screw rod; the moving screw is driven by the driving device, thereby driving the column to move left and right through the moving seat, and at the same time starting the second servo motor to drive the screw rod to rotate through the second transmission, so as to adjust the height of the lifting block and then adjust the height of the cutter, thereby improving the flexibility during use.

[0009] Preferably, the position adjustment component includes a transverse support tube, a second threaded rod and a telescopic arm. The front end of the lifting block slides through the lifting slot and is connected to the transverse support tube. A forward and reverse motor is provided inside the transverse support tube. The output end of the forward and reverse motor is connected to the second threaded rod. The telescopic arm is slidably installed inside the transverse support tube, and the telescopic arm is screwed on the outer wall of the second threaded rod. The cutter is fixedly connected to the front end of the telescopic arm. Starting the forward and reverse motor drives the second threaded rod to rotate, which can adjust the extension length of the telescopic arm at the front end of the transverse support tube, facilitates the adjustment of the use position of the cutter, and is convenient for use.

[0010] Preferably, the spray assembly includes a liquid pump, a first telescopic tube, a vertical tube, a second telescopic rod and a spray head. The liquid pump is fixedly installed inside the box. The input end of the liquid pump is connected to the inner bottom end of the liquid storage cylinder through a connecting tube. The output end of the liquid pump passes through the rear end of the box and is connected to the first telescopic tube. The output end of the first telescopic tube is connected to the vertical tube. The vertical tube is installed on the rear side wall of the column through a plurality of fixing frames. The output end of the vertical tube is connected to the second telescopic rod. The output end of the second telescopic rod is connected to the input end of the spray head. The spray head is installed at the bottom of the cutter. The cutting fluid is extracted by the liquid pump, input into the spray head through the first telescopic tube, the vertical tube and the second telescopic rod, and sprayed out to rinse and cool the metal workpiece and the cutting tool.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the metal workpiece is fixed on the top of the workbench by a fixing mechanism, the cutter is driven to move by a moving mechanism and a position adjustment component to perform cutting processing on the metal workpiece, the spray component sprays cutting fluid to cool the cutter, and the spiral chips and cutting fluid are collected and separated by the collecting component, thereby reducing the labor intensity of the staff, facilitating the recycling of the cutting fluid, and reducing the consumption of the cutting fluid. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;

[0014] Figure 3 It is a right view structural schematic diagram of the utility model;

[0015] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model;

[0016] Figure 5 It is a left-side cross-sectional structural schematic diagram of the utility model;

[0017] Markings in the attached drawings: 1, workbench; 2, box; 3, support leg; 4, support arm; 5, three-jaw chuck; 6, driver; 7, support rod; 8, forward and reverse motor; 9, threaded rod; 10, push rod; 11, push plate; 12, push head; 13, transmission; 14, servo motor; 15, collecting cylinder; 16, liquid storage cylinder; 17, screen; 18, first transmission; 19, reduction motor; 20, rotating rod; 21, toggle blade; 22, toggle rod; 23, cleaning brush; 24, scraper; 25, moving seat; 26, column; 27, second transmission; 28, second servo motor; 29, screw rod; 30, lifting block; 31, transverse support cylinder; 32, second threaded rod; 33, telescopic arm; 34, cutter; 35, liquid pump; 36, first telescopic tube; 37, vertical tube; 38, second telescopic rod; 39, spray head. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] Example 1

[0020] like Figure 1 , Figure 3 , Figure 4 and Figure 5As shown, the workbench 1 is fixedly connected to the top of the box body 2, a box door is provided at the front end of the box body 2, and legs 3 are fixedly installed at the four corners of the bottom of the box body 2, and two arms 4 are symmetrically installed at the left and right ends of the top of the workbench 1. The three-jaw chuck 5 is rotatably installed on the upper part of the left arm 4, and the input end of the three-jaw chuck 5 is connected to the output end of the driver 6. The support rod 7 is fixedly installed on the right end of the top of the workbench 1, and the forward and reverse motor 8 is fixedly installed on the right side wall of the right arm 4. The output end of the forward and reverse motor 8 is connected with a threaded rod 9, and the threaded rod 9 is rotatably installed on the upper part of the support rod 7. The push rod 10 is slidably installed on the upper part of the support arm 4, and the right end of the push rod 10 is fixedly installed with a push plate 11, and the lower part of the push plate 11 is screwed on the outer wall of the threaded rod 9, and the left end of the push rod 10 is rotatably installed with a head 12, and the interior of the driver 6 is composed of a transmission 13 and a servo motor 14, and the output end of the transmission 13 is connected to the output end of the three-jaw chuck 5, and the input end of the transmission 13 is connected to the output end of the servo motor 14. A downwardly contracted guide groove is provided at the top, an opening is provided in the middle of the guide groove, a collecting cylinder 15 is fixedly connected to the bottom opening of the workbench 1, a liquid storage cylinder 16 is connected to the bottom end of the collecting cylinder 15, a screen 17 is detachably installed at the position where the top of the liquid storage cylinder 16 is connected to the collecting cylinder 15, a first transmission 18 is fixedly connected to the bottom of the liquid storage cylinder 16, an input end of the first transmission 18 is connected to an output end of a reduction motor 19, and an output end of the first transmission 18 passes through the bottom end of the liquid storage cylinder 16 and is connected to There is a rotating rod 20, a plurality of shifting blades 21 are evenly installed on the outer wall of the rotating rod 20, a plurality of shifting rods 22 are installed on the outer wall of the shifting blade 21, the top end of the rotating rod 20 passes through the bottom of the screen 17 and a cleaning brush 23 is disassembled and installed, the bottom of the cleaning brush 23 contacts the top of the screen 17, a scraper 24 is installed on the upper part of the outer wall of the cleaning brush 23, and the scraper 24 is in sliding contact with the inner wall of the collecting cylinder 15, the moving mechanism is installed at the rear end of the workbench 1, and the cutter 34 is connected to the moving mechanism through a position adjustment component;

[0021] The metal workpiece is clamped on the three-jaw chuck 5, and the forward and reverse motors 8 are started to drive the threaded rod 9 to rotate. The threaded rod 9 pushes the push rod 10 to move in the direction of the three-jaw chuck 5 through the push plate 11, so that the head 12 presses the workpiece tightly, thereby ensuring the stability of the workpiece and improving the processing quality. The three-jaw chuck 5 is driven to rotate by the driver 6, so that the metal workpiece is rotated and processed. The spiral chips and cutting fluid enter the collecting barrel 15 through the opening in the guide groove at the top of the workbench 1, and the spiral chips and cutting fluid are separated by the screen 17. The reduction motor 19 is started to drive the rotating rod 20 to rotate through the first transmission 18. The rotating rod 20 drives the cleaning brush 23 and the scraper 24 to rotate to push and clean the inner wall of the collecting barrel 15 and the top of the screen 17. At the same time, the toggle leaf 21 and the toggle rod 22 are rotated to stir the cutting fluid, which is convenient for cooling the cutting fluid, reducing the labor intensity of the staff, facilitating the recycling of the cutting fluid, and reducing the consumption of the cutting fluid.

[0022] Example 2

[0023] like Figure 2 , Figure 4 and Figure 5 As shown, on the basis of Example 1, the moving mechanism includes a moving seat 25, a column 26, a second transmission 27, a second servo motor 28, a screw 29 and a lifting block 30. A limiting groove is provided on the rear side wall of the workbench 1, and the moving screw is installed in the limiting groove. The input end of the moving screw is provided with a driving device. The moving seat 25 is slidably installed in the limiting groove, and the moving seat 25 is screwed on the moving screw. The column 26 is fixedly installed on the rear side wall of the moving seat 25. A lifting cavity is provided inside the column 26, and a lifting groove connected to the lifting cavity is provided at the front end of the column 26. The second transmission 27 is installed at the lower part of the lifting cavity. The input end of the second transmission 27 is connected to the output end of the second servo motor 28, and the output end of the second transmission 27 is connected to the screw 29. The screw 29 is rotatably installed in the lifting cavity, the lifting block 30 is slidably installed in the lifting cavity, and the lifting block 30 is screwed on the outer wall of the screw 29. The position adjustment component includes a transverse support tube 3 1. The second threaded rod 32 and the telescopic arm 33. The front end of the lifting block 30 slides through the lifting slot and is connected to the transverse support tube 31. The transverse support tube 31 is provided with a forward and reverse motor. The output end of the forward and reverse motor is connected to the second threaded rod 32. The telescopic arm 33 is slidably installed in the transverse support tube 31, and the telescopic arm 33 is screwed on the outer wall of the second threaded rod 32. The cutter 34 is fixedly connected to the front end of the telescopic arm 33. The liquid pump 35 is fixedly installed in the box body 2. The input end of the liquid pump 35 is connected to the inner bottom end of the liquid storage tube 16 through a connecting pipe. The output end of the liquid pump 35 passes through the rear end of the box body 2 and is connected to the first telescopic tube 36. The output end of the first telescopic tube 36 is connected to a vertical tube 37. The vertical tube 37 is installed on the rear side wall of the column 26 through a plurality of fixing frames. The output end of the vertical tube 37 is connected to the second telescopic rod 38. The output end of the second telescopic rod 38 is connected to the input end of the spray head 39. The spray head 39 is installed at the bottom of the cutter 34.

[0024] The moving screw is driven by the driving device, thereby driving the column 26 to move left and right through the moving seat 25, and at the same time, the second servo motor 28 is started to drive the screw rod 29 to rotate through the second transmission 27, so as to adjust the height of the lifting block 30, and then adjust the height of the cutter 34, thereby improving the flexibility during use. The forward and reverse motors are started to drive the second threaded rod 32 to rotate, so as to adjust the extension length of the telescopic arm 33 at the front end of the transverse support tube 31, so as to facilitate the adjustment of the use position of the cutter 34 and facilitate use. The cutting fluid is extracted by the liquid pump 35, and is input into the spray head 39 through the first telescopic tube 36, the vertical tube 37 and the second telescopic rod 38 for spraying, so as to rinse and cool the metal workpiece and the cutting tool.

[0025] like Figures 1 to 5As shown, a metal cutting device of the utility model clamps the metal workpiece on the three-jaw chuck 5 when working, starts the forward and reverse motor 8 to drive the threaded rod 9 to rotate, and the threaded rod 9 pushes the push rod 10 to move in the direction of the three-jaw chuck 5 through the push plate 11, so that the head 12 presses the workpiece tightly, and drives the moving screw through the driving device, thereby driving the column 26 to move left and right through the moving seat 25, and at the same time starts the second servo motor 28 to drive the screw rod 29 to rotate through the second transmission 27, so as to adjust the height of the lifting block 30, and then adjust the height of the cutter 34, and starts the forward and reverse motor to drive the second threaded rod 32 to rotate, so as to adjust the extension length of the telescopic arm 33 at the front end of the transverse support tube 31, and adjust the use position of the cutter 34, and starts The servo motor 14 drives the three-jaw chuck 5 to rotate through the transmission 13, and the cutting fluid is extracted by the liquid pump 35. The cutting fluid is input into the spray head 39 through the first telescopic tube 36, the vertical tube 37 and the second telescopic rod 38 for spraying, so as to rinse and cool the metal workpiece and the cutting tool. The spiral chips and the cutting fluid enter the collecting tube 15 through the opening in the guide groove on the top of the workbench 1, and the spiral chips and the cutting fluid are separated by the screen 17. The reduction motor 19 is started to drive the rotating rod 20 to rotate through the first transmission 18. The rotating rod 20 drives the cleaning brush 23 and the scraper 24 to rotate to push and clean the inner wall of the collecting tube 15 and the top of the screen 17. At the same time, the paddle 21 and the lever 22 are rotated to stir the cutting fluid, so as to facilitate the cooling of the cutting fluid.

[0026] The three-jaw chuck 5, forward and reverse motor 8, transmission 13, servo motor 14, first transmission 18, reduction motor 19, second transmission 27, second servo motor 28, cutter 34 and liquid pump 35 of a metal cutting equipment of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A metal cutting device, characterized in that: The invention comprises a workbench (1), a box (2), legs (3), a cutter (34), a fixing mechanism, a moving mechanism, a position adjustment component, a collecting component and a spraying component. The workbench (1) is fixedly connected to the top of the box (2). A box door is arranged at the front end of the box (2). Legs (3) are fixedly installed at the four corners of the bottom of the box (2). The moving mechanism is installed at the rear end of the workbench (1). The cutter (34) is connected to the moving mechanism via the position adjustment component. The spraying component is installed inside the box (2), and the output end of the spraying component is installed on the cutter (34). The collecting component is installed inside the box (2). The fixing mechanism is installed at the left and right ends of the top of the workbench (1).

2. A metal cutting device according to claim 1, characterized in that: The fixing mechanism comprises two supporting arms (4), a three-jaw chuck (5), a driver (6), a supporting rod (7), a forward and reverse motor (8), a threaded rod (9), a push rod (10), a push plate (11) and a push head (12). The two supporting arms (4) are symmetrically mounted on the left and right ends of the top of the workbench (1). The three-jaw chuck (5) is rotatably mounted on the upper part of the left supporting arm (4). The input end of the three-jaw chuck (5) is connected to the output end of the driver (6). The supporting rod (7) is fixedly mounted on the workbench (1). 1), a forward and reverse motor (8) is fixedly mounted on the right side wall of the right side support arm (4), an output end of the forward and reverse motor (8) is connected with a threaded rod (9), the threaded rod (9) is rotatably mounted on the upper part of the support rod (7), a push rod (10) is slidably mounted on the upper part of the support arm (4), a push plate (11) is fixedly mounted on the right end of the push rod (10), the lower part of the push plate (11) is screwed on the outer wall of the threaded rod (9), and a push head (12) is rotatably mounted on the left end of the push rod (10).

3. A metal cutting device as claimed in claim 2, characterized in that: The driver (6) is internally composed of a transmission (13) and a servo motor (14); the output end of the transmission (13) is connected to the output end of the three-jaw chuck (5); and the input end of the transmission (13) is connected to the output end of the servo motor (14).

4. A metal cutting device as claimed in claim 1, characterized in that: The collecting assembly comprises a collecting cylinder (15), a liquid storage cylinder (16), a screen (17), a first transmission (18), a reduction motor (19), a rotating rod (20), a plurality of shifting blades (21), a plurality of shifting rods (22), a plurality of cleaning brushes (23) and a plurality of scrapers (24). The top of the workbench (1) is provided with a downwardly contracting guide groove, the middle of which is provided with an opening. The collecting cylinder (15) is fixedly connected to the bottom opening of the workbench (1), the bottom end of the collecting cylinder (15) is connected to the liquid storage cylinder (16), the screen (17) is detachably installed at the position where the top of the liquid storage cylinder (16) is connected to the collecting cylinder (15), and the first transmission (18) is fixedly connected to the collecting cylinder (15). The bottom of the liquid storage cylinder (16) and the input end of the first transmission (18) are connected to the output end of the reduction motor (19); the output end of the first transmission (18) passes through the bottom of the liquid storage cylinder (16) and is connected to a rotating rod (20); a plurality of shifting leaves (21) are evenly mounted on the outer wall of the rotating rod (20); a plurality of shifting rods (22) are mounted on the outer wall of the shifting leaves (21); the top end of the rotating rod (20) passes through the bottom of the screen (17) and is disassembled and mounted with a cleaning brush (23); the bottom of the cleaning brush (23) contacts the top of the screen (17); a scraper (24) is mounted on the upper part of the outer wall of the cleaning brush (23); and the scraper (24) is in sliding contact with the inner wall of the collecting cylinder (15).

5. A metal cutting device as claimed in claim 1, characterized in that: The moving mechanism comprises a moving seat (25), a column (26), a second transmission (27), a second servo motor (28), a screw (29) and a lifting block (30). A limiting groove is provided on the rear side wall of the workbench (1). The moving screw is installed in the limiting groove. The input end of the moving screw is provided with a driving device connected thereto. The moving seat (25) is slidably installed in the limiting groove. The moving seat (25) is screwed on the moving screw. The column (26) is fixedly installed on the rear side wall of the moving seat (25). A lifting chamber is provided inside the column (26), a lifting slot communicating with the lifting chamber is provided at the front end of the column (26), a second transmission (27) is installed at the lower part of the lifting chamber, an input end of the second transmission (27) is connected to an output end of a second servo motor (28), a screw rod (29) is connected to the output end of the second transmission (27), the screw rod (29) is rotatably installed in the lifting chamber, a lifting block (30) is slidably installed in the lifting chamber, and the lifting block (30) is screwed on the outer wall of the screw rod (29).

6. A metal cutting device as claimed in claim 5, characterized in that: The position adjustment component comprises a transverse support tube (31), a second threaded rod (32) and a telescopic arm (33); the front end of the lifting block (30) slides through the lifting slot and is connected to the transverse support tube (31); a forward and reverse motor is arranged inside the transverse support tube (31); the output end of the forward and reverse motor is connected to the second threaded rod (32); the telescopic arm (33) is slidably installed inside the transverse support tube (31), and the telescopic arm (33) is screwed on the outer wall of the second threaded rod (32); the cutter (34) is fixedly connected to the front end of the telescopic arm (33).

7. A metal cutting device as claimed in claim 5, characterized in that: The spray assembly comprises a liquid pump (35), a first telescopic tube (36), a vertical tube (37), a second telescopic rod (38) and a spray head (39). The liquid pump (35) is fixedly installed inside the box (2). The input end of the liquid pump (35) is connected to the inner bottom end of the liquid storage cylinder (16) through a connecting tube. The output end of the liquid pump (35) passes through the rear end of the box (2) and is connected to the first telescopic tube (36). The output end of the first telescopic tube (36) is connected to the vertical tube (37). The vertical tube (37) is installed on the rear side wall of the column (26) through a plurality of fixing frames. The output end of the vertical tube (37) is connected to the second telescopic rod (38). The output end of the second telescopic rod (38) is connected to the input end of the spray head (39). The spray head (39) is installed at the bottom of the cutter (34).

Images