Workbench with self-cleaning function

Abstract

The utility model discloses a workbench with a self-cleaning function, and relates to the technical field of machine tools. The machine tool comprises a tool body, a movable rail and a movable frame. A fixed block is fixedly arranged on the bed body, and the movable frame is connected to the movable rail in a sliding mode; a cross beam is fixedly arranged on one side of the bed body, a cleaning groove is cut in the cross beam, and moving rails are symmetrically fixed to the two sides of the cross beam. A waste tank is arranged below the movable rail and is fixedly connected with the bed body; a fixed table is arranged at one end of the movable rail away from the bed body. The pull rod can be pulled by controlling the moving frame to move, the cleaning block is fixed at the other end of the pull rod, and the cleaning block can push cooling liquid and sweeps in the cleaning groove to flow towards the separating groove when the pull rod pulls the cleaning block; after cooling liquid and waste chips in the cleaning tank enter the separation tank, the cleaning liquid flows into the waste tank through the opening of the separation tank, the waste chips are left in the separation tank, and the waste materials are finally collected in a unified mode and recycled, so that the utilization rate of resources is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tools, in particular to a workbench with a self-cleaning function. Background Art

[0002] Machine tools are equipment for manufacturing machines, also known as machine tools or machine tools. In daily life, people usually call them machine tools for short. There are many types of machine tools, mainly including metal cutting machine tools, forging machine tools, and woodworking machine tools. In the field of modern machinery manufacturing, there are many ways to process parts, in addition to cutting, there are also casting, forging, welding, stamping and extrusion. However, for those parts with high precision requirements and fine surface roughness requirements, they usually need to be finally processed by cutting on machine tools.

[0003] After the existing machine tools are used, a large amount of iron filings are often left on the workbench surface. Since they are usually not equipped with automatic cleaning equipment, the cleaning process mainly relies on manual work, which is time-consuming and laborious, and the cleaning efficiency is not satisfactory.

[0004] In the prior art, a Chinese patent with publication number CN217727847U is proposed to solve the above-mentioned technical problems. The technical solution disclosed in the patent document is as follows: it includes a base, the top of the base is fixedly connected with four docking plates, the four docking plates are fixedly connected with a transverse connecting rod between the opposite sides, the surfaces of the two transverse connecting rods are slidably connected with sliding blocks, the two sliding blocks are fixedly connected with a fixed plate between the opposite sides, the top of the fixed plate is fixedly connected with a connecting frame, and the right side of the connecting frame is fixedly connected with an auxiliary box. The utility model provides a workbench for a processing machine tool with a self-cleaning function. The brush rack can be rotated by the coordinated use of a rotating motor and a rotating column. The brush rack can be driven to move by the movement of the sliding block through the coordinated use of gears and chains, so that the workbench can be fully cleaned with high cleaning efficiency. Summary of the invention

[0005] The purpose of the utility model is to provide a workbench with a self-cleaning function to solve the problems raised in the above background technology.

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

[0007] A workbench with a self-cleaning function comprises a machine tool; the machine tool comprises a bed, a moving rail and a moving frame; a fixed block is fixed on the bed, and the fixed block is used to fix a workpiece; the moving frame is slidably connected to the moving rail; a crossbeam is fixed on one side of the bed, and a cleaning groove is cut on the crossbeam, and the moving rail is symmetrically fixed on both sides of the crossbeam; the moving frame comprises a moving block, the interior of the moving block is hollow, and a cutting assembly is fixed on the moving block, and the cutting assembly is used to process the workpiece; a cooling water pipe is fixed on the moving block, and the cooling water pipe is communicated with the interior of the moving block; the moving A waste trough is provided under the rail, and the waste trough is fixedly connected to the bed; a fixed platform is provided at the end of the movable rail away from the bed, an inclined surface is provided at the end of the cleaning trough close to the fixed platform, a separation trough is provided on the fixed platform, and the end of the inclined surface guides the separation trough; the separation trough is open on one side of the bed, and the coolant flowing to the separation trough can flow into the waste trough from the opening; a cleaning block is slidably provided in the cleaning trough, and the cleaning block can scrape the cleaning liquid and waste chips in the cleaning trough; a pull rod is provided on one side of the cleaning block, one end of the pull rod is fixedly connected to the cleaning block, and the other end is fixedly connected to the movable frame.

[0008] When the machine tool processes the workpiece, a large amount of iron chips will be generated during the processing, and heat will also be generated. The workpiece needs to be cooled. The moving block is filled with coolant, and the coolant is sprayed out through the cooling water pipe to cool the workpiece. After the workpiece is processed, the moving block will be controlled to move away from the bed to remove the workpiece and fix the next workpiece. The movement of the moving frame will pull the pull rod, and a cleaning block is fixed to the other end of the pull rod. The pull rod pulls the cleaning block, and the cleaning block will push the coolant and waste chips in the cleaning tank to flow toward the separation tank; after the coolant and waste chips in the cleaning tank enter the separation tank, the cleaning liquid will flow into the waste tank through the opening of the separation tank. Because the waste chips are generally metal waste chips and are heavy, they are not easy to flow to the waste tank with the coolant, and will remain in the separation tank. These wastes are finally collected and recycled to improve resource utilization.

[0009] The further improvement of the technical solution of the utility model is that a cleaning strip is fixedly provided on the side of the cleaning block in contact with the cleaning groove; the cleaning strip is in close contact with the surface of the cleaning groove, and can better scrape the cleaning liquid and waste debris in the cleaning groove.

[0010] The above technical solution is adopted, in which the cleaning strip is in close contact with the groove surface, and the surface of the cleaning groove can be scraped as the moving block moves, thereby preventing waste chips and coolant from remaining, thereby improving the cleaning effect.

[0011] A further improvement of the technical solution of the utility model is that a plurality of protrusions are provided on the surface of the separation tank, and the protrusions can prevent iron filings from flowing into the waste tank along with the coolant.

[0012] The above technical solution is adopted. In this solution, after the waste chips fall into the separation trough, the coolant will flow from the opening of the separation trough to the waste trough. The flow of excessive cleaning liquid will easily drive the waste chips to flow into the waste trough, resulting in incomplete separation; by setting the protrusions, a gap will be formed between these protrusions, so that the waste chips will be more likely to remain in the gap and will not easily flow with the cleaning liquid.

[0013] A further improvement of the technical solution of the utility model is that a water pump is arranged in the waste tank, a reflux pipe is fixed on the water pump, and the other end of the reflux pipe is communicated with the inside of the moving block.

[0014] The above technical solution is adopted, in which a water pump and a reflux pipe are set up. After the coolant flowing back to the waste tank is cooled, the water pump is started to pump the coolant in the waste tank back into the moving block, thereby realizing the recycling of the coolant, improving resource utilization and reducing waste.

[0015] The further improvement of the technical solution of the utility model is that: a plurality of filter holes are arranged on the surface of the separation tank, a water flow trough is arranged below the filter holes, and a hole is arranged on one side of the water flow trough close to the bed.

[0016] The above technical solution is adopted. In this solution, filter holes are set. After the coolant and waste chips in the cleaning tank enter the separation tank, the diameter of the filter holes is small, smaller than the diameter of the waste chips, so the waste chips will remain in the separation tank, and the cleaning liquid flows through the filter holes to the water flow trough below the filter holes, and then flows into the waste tank through the holes. In this way, the separation between the iron chips and the cleaning liquid can be more complete, which can not only improve the recycling of resources but also prevent the coolant entering the waste tank from containing waste chips, causing damage to components such as the water pump and cooling water pipe.

[0017] A further improvement of the technical solution of the utility model is that an electric push rod is provided on one side of the separation tank, a push plate is fixedly connected to the movable end of the electric push rod, a recovery port is provided on the side of the separation tank away from the push plate and away from the filter hole, a recovery box is provided below the recovery port, and the recovery box is slidably connected to the fixed platform.

[0018] The above technical solution is adopted, in which an electric push rod and a push plate are set. When the waste chips are separated from the coolant, the electric push rod is started. The electric push rod drives the push plate to push the waste chips remaining on the separation tank from the recycling port into the recycling box. Finally, the recycling box can be pulled out to take out the collected waste chips, which is convenient and quick.

[0019] A further improvement of the technical solution of the utility model is that: the pull rod includes a first connecting rod and a second connecting rod, and the first connecting rod and the second connecting rod are hinged; the first connecting rod includes a fixed rod, connecting rods are symmetrically provided at both ends of the fixed rod, one side of the connecting rod is provided with a thread, and both sides of the fixed rod are symmetrically provided with a rotating sleeve, the rotating sleeve is rotatably connected to the fixed rod, the inside of the rotating sleeve is provided with a thread, and the connecting rod is threadedly connected to the rotating sleeve.

[0020] The above-mentioned technical scheme is adopted, in which the first connecting rod and the second connecting rod are hingedly arranged to facilitate the control of the position of the cleaning block, so that the cleaning block is located on the side close to the bed and away from the fixed frame, so that waste chips and coolant will only be on the side of the cleaning block where the cleaning strip is provided. The connecting rod is threadedly connected to the rotary sleeve, and the rotary sleeve is rotatably connected to the fixed rod. When the workpiece is too long, the total length of the pull rod is insufficient, and the cleaning block cannot be controlled to be located on the side close to the bed and away from the fixed frame. By rotating the rotary sleeve, the length of the first connecting rod can be extended.

[0021] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0022] 1. The utility model provides a workbench with a self-cleaning function. When the machine tool processes a workpiece, a large amount of iron chips will be generated and heat will be generated at the same time. Coolant is contained in the moving block, and the coolant is sprayed out through a cooling water pipe to cool the workpiece. After the workpiece is processed, the moving block will be controlled to move away from the bed to take out the workpiece and fix the next workpiece. The movement of the moving frame will pull the pull rod, and a cleaning block is fixed at the other end of the pull rod. The pull rod pulls the cleaning block, and the cleaning block will push the coolant and waste chips in the cleaning tank to flow toward the separation tank; after the coolant and waste chips in the cleaning tank enter the separation tank, the cleaning liquid will flow into the waste tank through the opening of the separation tank. Because the waste chips are generally metal waste chips and are heavy, they are not easy to flow to the waste tank with the coolant, and will remain in the separation tank. These wastes are finally collected and recycled to improve resource utilization.

[0023] 2. The utility model provides a workbench with a self-cleaning function. By setting filter holes, after the coolant and waste chips in the cleaning tank enter the separation tank, the diameter of the filter holes is small, smaller than the diameter of the waste chips, so the waste chips will remain in the separation tank, and the cleaning liquid flows through the filter holes to the water flow tank below the filter holes, and then flows into the waste tank through the holes. In this way, the separation between the iron chips and the cleaning liquid can be more complete, which can not only improve the recycling of resources but also prevent the coolant entering the waste tank from containing waste chips, causing damage to components such as the water pump and the cooling water pipe.

[0024] 3. The utility model provides a workbench with a self-cleaning function. By arranging an electric push rod and a push plate, when the waste chips are separated from the coolant, the electric push rod is started, and the electric push rod drives the push plate to push the waste chips remaining on the separation groove into the recycling box from the recycling port. Finally, the recycling box can be pulled out to take out the collected waste chips, which is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below in conjunction with the accompanying drawings.

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 It is a schematic diagram of the structure of the utility model viewed from above;

[0028] Figure 3 This is a schematic diagram of the fixed platform structure of the utility model;

[0029] Figure 4 This is a schematic diagram of the pull rod structure of the utility model;

[0030] Figure 5 This is a schematic diagram of the cleaning block structure of the utility model;

[0031] In the figure: 1. machine tool; 2. bed; 3. moving rail; 4. moving frame; 5. crossbeam; 6. cleaning trough; 7. moving block; 8. cooling water pipe; 9. waste trough; 10. fixed table; 11. separation trough; 12. inclined plane; 14. cleaning block; 15. pull rod; 16. cleaning strip; 17. filter hole; 18. push plate; 19. first connecting rod; 20. second connecting rod; 21. fixed rod; 22. connecting rod; 23. rotary sleeve; 24. water pump; 25. return pipe; 26. recovery box. DETAILED DESCRIPTION

[0032] The present invention is further described in detail below in conjunction with the embodiments:

[0033] Example 1

[0034] like Figure 1-5 As shown, the utility model provides a workbench with a self-cleaning function, including a machine tool 1; the machine tool 1 includes a bed 2, a moving rail 3 and a moving frame 4; a fixed block is fixed on the bed 2, and the fixed block is used to fix the workpiece; the moving frame 4 is slidably connected to the moving rail 3; a crossbeam 5 is fixed on one side of the bed 2, and a cleaning groove 6 is cut on the crossbeam 5, and the moving rail 3 is symmetrically fixed on both sides of the crossbeam 5; the moving frame 4 includes a moving block 7, the inside of the moving block 7 is hollow, and a cutting assembly is fixed on the moving block 7, and the cutting assembly is used to process the workpiece; a cooling water pipe 8 is fixed on the moving block 7, and the cooling water pipe 8 is communicated with the inside of the moving block 7; a There is a waste trough 9, which is fixedly connected to the bed body 2; a fixed platform 10 is provided at the end of the movable rail 3 away from the bed body 2, and an inclined surface 12 is provided at the end of the cleaning trough 6 close to the fixed platform 10, and a separation trough 11 is provided on the fixed platform 10, and the end of the inclined surface 12 guides the separation trough 11; the separation trough 11 is open to one side of the bed body 2, and the coolant flowing to the separation trough 11 can flow into the waste trough 9 from the opening; a cleaning block 14 is slidably provided in the cleaning trough 6, and the cleaning block 14 can scrape the cleaning liquid and waste debris in the cleaning trough 6; a pull rod 15 is provided on one side of the cleaning block 14, one end of the pull rod 15 is fixedly connected to the cleaning block 14, and the other end is fixedly connected to the movable frame 4.

[0035] In this embodiment, when the machine tool 1 processes the workpiece, a large amount of iron filings will be generated during the processing, and heat will also be generated. The workpiece needs to be cooled. The moving block 7 is filled with coolant, and the coolant is sprayed through the cooling water pipe 8 to cool the workpiece. After the workpiece processing is completed, the moving block 7 will be controlled to move away from the bed 2 to remove the workpiece and fix the next workpiece. The movement of the moving frame 4 will pull the pull rod 15, and a cleaning block 14 is fixed to the other end of the pull rod 15. The pull rod 15 pulls the cleaning block 14, and the cleaning block 14 will push the coolant and waste chips in the cleaning tank 6 to flow toward the separation tank 11; after the coolant and waste chips in the cleaning tank 6 enter the separation tank 11, the cleaning liquid will flow into the waste tank 9 through the opening of the separation tank 11. Because the waste chips are generally metal waste chips and are heavy, they are not easy to flow to the waste tank 9 with the coolant, and will remain in the separation tank 11. These wastes are finally collected and recycled to improve resource utilization.

[0036] In this embodiment, preferably, a cleaning strip 16 is fixedly provided on the side of the cleaning block 14 that contacts the cleaning tank 6 ; the cleaning strip 16 is in close contact with the surface of the cleaning tank 6 , and can better scrape the cleaning liquid and waste chips in the cleaning tank 6 .

[0037] The cleaning strip 16 is in close contact with the groove surface, and can scrape the surface of the cleaning groove 6 as the moving block 7 moves, thereby preventing waste chips and coolant from remaining, thereby improving the cleaning effect.

[0038] Preferably, a plurality of protrusions are provided on the surface of the separation tank 11, and the protrusions can prevent iron filings from flowing into the waste tank 9 along with the coolant.

[0039] After the waste chips fall into the separation groove 11, the coolant will flow from the opening of the separation groove 11 to the waste groove 9. The flow of excessive cleaning liquid will easily drive the waste chips to flow into the waste groove 9, resulting in incomplete separation. By setting the protrusions, a gap will be formed between the protrusions, so that the waste chips will be more likely to remain in the gap and will not easily flow with the cleaning liquid.

[0040] A water pump 24 is provided in the waste tank 9 , a reflux pipe 25 is fixed on the water pump 24 , and the other end of the reflux pipe 25 is communicated with the interior of the moving block 7 .

[0041] By setting up a water pump 24 and a reflux pipe 25, the coolant flowing back into the waste tank 9 is cooled, and then the water pump 24 is started to pump the coolant in the waste tank 9 back into the moving block 7, thereby realizing the recycling of the coolant, improving resource utilization and reducing waste.

[0042] Example 2

[0043] On the basis of Example 1, the utility model provides a technical solution: preferably, a plurality of filter holes 17 are provided on the surface of the separation tank 11, a water flow trough is provided below the filter holes 17, and a hole is provided on one side of the water flow trough close to the bed 2.

[0044] In this embodiment, by setting the filter hole 17, after the coolant and waste chips in the cleaning tank 6 enter the separation tank 11, the diameter of the filter hole 17 is smaller, smaller than the diameter of the waste chips, so the waste chips will remain in the separation tank 11, and the cleaning liquid flows through the filter hole 17 to the water flow tank below the filter hole 17, and then flows into the waste tank 9 through the hole. In this way, the separation between the iron chips and the cleaning liquid can be more complete, which can not only improve the recycling of resources but also prevent the coolant entering the waste tank 9 from containing waste chips, causing damage to components such as the water pump 24 and the cooling water pipe 8.

[0045] Example 3

[0046] On the basis of Example 1, the utility model provides a technical solution: preferably, an electric push rod is provided on one side of the separation tank 11, and the movable end of the electric push rod is fixedly connected to a push plate 18. A recovery port is provided on the side of the separation tank 11 away from the push plate 18 and away from the filter hole 17, and a recovery box 26 is provided below the recovery port, and the recovery box 26 is slidably connected to the fixed platform 10.

[0047] In this embodiment, an electric push rod and a push plate 18 are provided. When the waste chips are separated from the coolant, the electric push rod is started. The electric push rod drives the push plate 18 to push the waste chips remaining on the separation groove 11 from the recovery port into the recovery box 26. Finally, the recovery box 26 is pulled out to take out the collected waste chips, which is convenient and quick.

[0048] Example 4

[0049] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the pull rod 15 includes a first connecting rod 19 and a second connecting rod 20, and the first connecting rod 19 and the second connecting rod 20 are hinged; the first connecting rod 19 includes a fixed rod 21, and connecting rods 22 are symmetrically provided at both ends of the fixed rod 21, and a thread is provided on one side of the connecting rod 22, and a rotary sleeve 23 is symmetrically provided on both sides of the fixed rod 21, and the rotary sleeve 23 is rotatably connected to the fixed rod 21, and a thread is provided inside the rotary sleeve 23, and the connecting rod 22 is threadedly connected to the rotary sleeve 23.

[0050] In this embodiment, the distance between the movable frame 4 and the bed 2 is different when processing different workpieces. By setting the first connecting rod 19 and the second connecting rod 20 to be hinged, the position of the cleaning block 14 can be conveniently controlled so that the cleaning block 14 is close to the bed 2 and away from the fixed frame, so that waste chips and coolant will only be on the side of the cleaning block 14 where the cleaning strip 16 is provided. The connecting rod 22 is threadedly connected to the rotary sleeve 23, and the rotary sleeve 23 is rotatably connected to the fixed rod 21. When the workpiece is too long, the total length of the pull rod 15 is insufficient, and the cleaning block 14 cannot be controlled to be close to the bed 2 and away from the fixed frame. By rotating the rotary sleeve 23, the length of the first connecting rod 22 can be extended.

[0051] The working principle of the workbench with self-cleaning function will be described in detail below.

[0052] like Figure 1-5 As shown, when the machine tool 1 processes the workpiece, a large amount of iron filings will be generated during the processing, and heat will also be generated. The workpiece needs to be cooled down. The moving block 7 contains coolant, and the coolant is sprayed out through the cooling water pipe 8 to cool the workpiece. After the workpiece is processed, the moving block 7 will be controlled to move away from the bed 2 to remove the workpiece and fix the next workpiece. The movement of the moving frame 4 will pull the pull rod 15, and a cleaning block 14 is fixed to the other end of the pull rod 15. The pull rod 15 pulls the cleaning block 14, and the cleaning block 14 will push the coolant and waste chips in the cleaning tank 6 to flow toward the separation tank 11; after the coolant and waste chips in the cleaning tank 6 enter the separation tank 11, a filter hole 17 is set. After the coolant and waste chips in the cleaning tank 6 enter the separation tank 11, the diameter of the filter hole 17 is smaller than the diameter of the waste chips, so the waste chips will remain in the separation tank 11. The cleaning liquid flows through the filter hole 17 into the water trough below the filter hole 17, and then flows into the waste trough 9 through the hole, so that the iron filings and the cleaning liquid can be separated more completely, which can not only improve the recycling of resources but also prevent the coolant entering the waste trough 9 from containing waste chips, causing damage to components such as the water pump 24 and the cooling water pipe 8. When the separation of the waste chips and the coolant is completed, the electric push rod is started, and the electric push rod drives the push plate 18 to push the waste chips remaining on the separation trough 11 into the recycling box 26 from the recycling port. Finally, the recycling box 26 is pulled out to take out the collected waste chips, which is convenient and quick. After the coolant flowing back to the waste trough 9 is cooled, the water pump 24 is started to pump the coolant in the waste trough 9 back into the moving block 7, thereby realizing the recycling of the coolant, improving the utilization rate of resources and reducing waste.

[0053] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A workbench with a self-cleaning function, comprising a machine tool (1); characterized in that: The machine tool (1) comprises a bed (2), a movable rail (3) and a movable frame (4); a fixed block is fixedly provided on the bed (2), and the fixed block is used to fix the workpiece; the movable frame (4) is slidably connected to the movable rail (3); a crossbeam (5) is fixedly provided on one side of the bed (2), and a cleaning groove (6) is cut on the crossbeam (5), and the movable rail (3) is symmetrically fixed on both sides of the crossbeam (5); the movable frame (4) comprises a movable block (7), the interior of the movable block (7) is hollow, and a cutting assembly is fixedly provided on the movable block (7), and the cutting assembly is used to process the workpiece; a cooling water pipe (8) is fixedly provided on the movable block (7), and the cooling water pipe (8) is communicated with the interior of the movable block (7); a waste trough (9) is provided below the movable rail (3), and the waste trough (9) The cleaning trough (6) is fixedly connected to the bed (2); a fixed platform (10) is provided at one end of the movable rail (3) away from the bed (2); an inclined surface (12) is provided at one end of the cleaning trough (6) close to the fixed platform (10); a separation trough (11) is provided on the fixed platform (10); the end of the inclined surface (12) guides the separation trough (11); the separation trough (11) is open to one side of the bed (2); the cooling liquid flowing to the separation trough (11) can flow into the waste trough (9) from the opening; a cleaning block (14) is slidably provided in the cleaning trough (6); the cleaning block (14) can scrape the cleaning liquid and waste in the cleaning trough (6); a pull rod (15) is provided on one side of the cleaning block (14); one end of the pull rod (15) is fixedly connected to the cleaning block (14), and the other end is fixedly connected to the movable frame (4).

2. A workbench with self-cleaning function according to claim 1, characterized in that: A cleaning strip (16) is fixedly provided on the side of the cleaning block (14) in contact with the cleaning groove (6); the cleaning strip (16) is in close contact with the surface of the cleaning groove (6).

3. A workbench with self-cleaning function according to claim 2, characterized in that: The surface of the separation tank (11) is provided with a plurality of protrusions, and the protrusions can prevent iron filings from flowing into the waste tank (9) along with the coolant.

4. The workbench with self-cleaning function according to claim 1, characterized in that: The surface of the separation tank (11) is provided with a plurality of filter holes (17), a water flow trough is provided below the filter holes (17), and a hole is provided on one side of the water flow trough close to the bed (2).

5. The workbench with self-cleaning function according to claim 4, characterized in that: An electric push rod is provided on one side of the separation tank (11), and a push plate (18) is fixedly connected to the movable end of the electric push rod. A recovery port is provided on the side of the separation tank (11) away from the push plate (18) and away from the filter hole (17). A recovery box (26) is provided below the recovery port, and the recovery box (26) is slidably connected to the fixed platform (10).

6. The workbench with self-cleaning function according to claim 1, characterized in that: The pull rod (15) comprises a first connecting rod (19) and a second connecting rod (20), wherein the first connecting rod (19) and the second connecting rod (20) are hingedly connected; the first connecting rod (19) comprises a fixed rod (21), and connecting rods (22) are symmetrically arranged at both ends of the fixed rod (21), and one side of the connecting rod (22) is provided with a thread, and both sides of the fixed rod (21) are symmetrically provided with a rotating sleeve (23), and the rotating sleeve (23) is rotatably connected to the fixed rod (21), and the inside of the rotating sleeve (23) is provided with a thread, and the connecting rod (22) is threadedly connected to the rotating sleeve (23).

7. The workbench with self-cleaning function according to claim 1, characterized in that: A water pump (24) is arranged in the waste tank (9), a return pipe (25) is fixed on the water pump (24), and the other end of the return pipe (25) is communicated with the interior of the moving block (7).

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