Cleaning equipment for automobile mechanical part machining

Abstract

The invention relates to the technical field of machining equipment, in particular to cleaning equipment for automobile mechanical part machining, which comprises a rack, connecting shafts are coaxially and rotatably mounted on two sides of the interior of the rack, the two connecting shafts are used for being fixedly connected with two ends of a crankshaft, and a driving motor for driving the connecting shafts to rotate is arranged on the outer side of the rack; the cleaning assembly comprises a first cleaning part and a second cleaning part, the first cleaning part is installed in the rack in an up-down floating mode, and the second cleaning part is fixedly installed in the rack; the counterweight assembly is installed on the outer side of the rack in an up-down floating mode along with rotation of the crankshaft, and the upper end of the counterweight assembly drives the first cleaning part to float up and down. The balance weight assemblies are arranged on the two sides of the connecting shaft, so that the two sides, away from each other, of the connecting shaft bear the same load, eccentric torque generated in the rotating process of the crankshaft is reduced, and then periodic collision between rotating parts and constrained bearings is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical processing equipment, and in particular to cleaning equipment for processing automobile mechanical parts. Background Art

[0002] When cleaning a car crankshaft, in order to make the crankshaft fully clean, the crankshaft is usually installed between two rotating connecting shafts, and the crankshaft is driven to rotate by the connecting shaft. At the same time, a water gun is used to spray high-pressure water to clean the crankshaft surface. However, since the connecting rod journal of the crankshaft is eccentrically set on the main shaft of the crankshaft, the overall center of gravity of the crankshaft will be biased between the connecting rod journal and the main journal (the center of gravity position will change with the rotation of the crankshaft). In the process of using the connecting shaft to drive the crankshaft to rotate, since the center of gravity of the crankshaft is not on the rotating shaft, the torque generated by the crankshaft during rotation is offset, and the eccentric torque will cause the rotation to not only generate eccentric torque, but this torque will change periodically with the rotation of the rotating shaft, thereby causing periodic collision between the rotating parts and the constrained bearings, generating vibrations, which will cause uneven radial force on the connecting shaft, aggravate the vibration, and then damage the bearings and cause equipment damage. Summary of the invention

[0003] In view of the above-mentioned shortcomings of the prior art, the present invention provides a cleaning device for processing automobile mechanical parts, which can effectively solve the problem in the prior art that, during the rotation cleaning of the automobile crankshaft, the eccentric torque of the transmission parts between the connecting shaft that drives the crankshaft to rotate and the driving device will cause the rotation to generate not only eccentric torque, but also this torque will change periodically with the rotation of the rotating shaft, thereby causing periodic collision between the rotating parts and the constrained bearings.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: The present invention provides a cleaning device for processing automobile mechanical parts, comprising a frame, wherein connecting shafts are coaxially rotatably installed on both sides of the frame, the two connecting shafts are used to be fixedly connected to the two ends of a crankshaft, and a driving motor for driving the connecting shafts to rotate is arranged on the outer side of the frame; The cleaning assembly comprises a first cleaning part and a second cleaning part, wherein the first cleaning part is installed in a floating manner inside the frame, and is used to clean the connecting rod journal of the crankshaft and the crank arms on both sides of the connecting rod journal, and the second cleaning part is fixedly installed inside the frame, and is used to clean the main journal of the crankshaft and the crank arms on both sides of the main journal; The counterweight assembly is installed on the outside of the frame and floats up and down following the rotation of the crankshaft. The upper end of the counterweight assembly is connected to the first cleaning part to drive the first cleaning part to float up and down inside the frame, so as to clean the connecting rod journal part of the eccentrically rotating crankshaft.

[0005] Furthermore, the ends of the two connecting shafts that are away from each other extend out of the frame, and the ends of the two connecting shafts that extend out of the frame are fixedly installed with rotating disks, and a meshing gear is also fixedly installed on one side of the connecting shafts, and the driving motor drives the connecting shafts to rotate by driving the meshing gears to rotate.

[0006] Furthermore, an eccentric shaft is installed on the rotating disk, and the eccentric shaft is located on the connecting rod journal side of the rotating disk away from the crankshaft. The lower end of the counterweight assembly is rotatably connected to the eccentric shaft, and the eccentric shaft is used to drive the counterweight assembly to move up and down.

[0007] Furthermore, a slide groove is provided on the rotating disk, a sliding block is slidably installed inside the slide groove, the eccentric shaft is fixedly installed on the sliding block, a threaded rod is rotatably installed on the rotating disk, and the threaded rod is used to drive the sliding block toward or away from the center position of the rotating disk.

[0008] Furthermore, the counterweight assembly includes a counterweight rod slidably mounted on the side of the frame, the lower end of the counterweight rod is rotatably connected to the eccentric shaft, a guide rod is provided in the middle of the counterweight rod, the guide rod is fixedly mounted on the frame, and the guide rod is used to guide the counterweight rod to slide up and down.

[0009] Furthermore, a rotating connecting rod is provided on the side of the frame, the middle part of the rotating connecting rod is rotatably connected to the outer wall of the frame through a positioning shaft, one end of the rotating connecting rod is rotatably connected to the upper end of the counterweight rod, and the other end of the rotating connecting rod drives the first cleaning part to slide up and down.

[0010] Furthermore, the first cleaning part includes a support frame, a linkage shaft is provided on the support frame, one end of the linkage shaft extends out of the frame, the linkage shaft is used to be connected to the upper end of the counterweight assembly, a plurality of delivery pipes are provided on the support frame, the upper ends of the plurality of delivery pipes are connected to an external water supply device, and a flushing assembly is provided at the lower ends of the plurality of delivery pipes.

[0011] Furthermore, the flushing assembly includes a hydraulic motor, a plurality of nozzles are arranged at the lower water outlet of the hydraulic motor, an output shaft at the lower end of the hydraulic motor extends out of the hydraulic motor, and a cleaning disc for rubbing the crankshaft surface is arranged on the output shaft.

[0012] Furthermore, the cleaning disc is provided with two groups, an upper and a lower group, a flexible brush is provided on the outer side of the cleaning disc, and the diameter of the lower cleaning disc is smaller than the diameter of the upper cleaning disc.

[0013] Compared with the known public technology, the technical solution provided by the present invention has the following beneficial effects: 1. The present invention arranges a cleaning assembly inside the frame, and the first cleaning part of the cleaning assembly can move up and down with the rotation of the crankshaft, so that the processing debris or grease remaining on the connecting rod journal and the crank arms on both sides of the connecting rod journal can be easily cleaned. By arranging counterweight assemblies on both sides of the connecting shaft, during the rotation of the crankshaft, the side of the connecting shaft away from the crankshaft connecting rod journal is heavier, so that the two sides of the connecting shaft away from each other bear the same load, thereby reducing the eccentric torque generated by the crankshaft during the rotation process, thereby avoiding periodic collision between the rotating parts and the constrained bearings.

[0014] 2. In the present invention, a slide groove is provided on the rotating disk, and a sliding block is installed inside the slide groove. During use, the eccentric distance of the eccentric shaft can be adjusted according to the distance from the connecting rod journal of the crankshaft to the crankshaft main shaft, so that the cleaning equipment can clean crankshafts with different degrees of eccentricity.

[0015] 3. The counterweight assembly in the present invention can not only serve as a load for balancing the connecting shaft, but also drive the first cleaning part to move up and down during use, so that the cleaning disk of the first cleaning part changes with the position of the connecting rod journal of the crankshaft, and can clean various positions of the connecting rod journal to avoid leaving blind spots for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the prior art descriptions. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of another perspective of the whole of the present invention; Figure 3 It is a schematic diagram of the internal structure of the present invention; Figure 4 This is a schematic diagram of the overall structure of the counterweight assembly of the present invention in cooperation with the crankshaft; Figure 5 For the present invention Figure 4 A local enlarged structural schematic diagram; Figure 6 It is a schematic diagram of the overall structure of the first cleaning part of the present invention; Figure 7 is a side view of a first cleaning portion of the present invention; Figure 8 It is a schematic diagram of the installation structure of the water motor of the present invention.

[0018] The numbers in the figure represent: 1. Frame; 11. Connecting shaft; 12. Rotating plate; 121. Sliding block; 122. Threaded rod; 1201. Sliding groove; 13. Eccentric shaft; 14. Meshing gear; 15. Driving motor; 16. Support column; 2. crankshaft; 3. cleaning assembly; 31. first cleaning part; 311. support frame; 312. delivery pipe; 313. hydraulic motor; 314. cleaning disc; 315. nozzle; 316. linkage shaft; 317. output shaft; 32. second cleaning part; 4. Counterweight assembly; 41. Counterweight rod; 42. Rotating connecting rod; 4201. Sliding groove; 43. Positioning shaft; 44. Guide rod. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] The present invention will be further described below in conjunction with the embodiments.

[0021] When cleaning the automobile crankshaft with the cleaning equipment for automobile mechanical parts processing, in order to make the crankshaft 2 fully clean, the crankshaft 2 is usually installed between two rotating connecting shafts 11, and the crankshaft 2 is driven to rotate by the connecting shaft 11. At the same time, a water gun is used to spray high-pressure water to clean the surface of the crankshaft 2. However, since the connecting rod journal of the crankshaft 2 is eccentrically arranged on the main shaft of the crankshaft 2, the overall center of gravity of the crankshaft 2 will be biased between the connecting rod journal and the main journal (the center of gravity position will change with the rotation of the crankshaft 2). In the process of using the connecting shaft 11 to drive the crankshaft 2 to rotate, since the center of gravity of the crankshaft 2 is not on the rotating shaft, the eccentric torque will cause the rotation to not only generate an eccentric torque, but this torque will change periodically with the rotation of the rotating shaft, thereby causing the rotating parts to collide periodically with the constrained bearings, generating vibrations, causing uneven radial force of the unit, aggravating the vibration, and then damaging the bearings and causing damage to the equipment.

[0022] To this end, an embodiment of the present invention provides a cleaning device for processing automotive mechanical parts. By arranging counterweight assemblies 4 at both ends of the connecting shaft 11, the center of gravity of the entire crankshaft 2 connecting shaft 11 is adjusted to a degree of overlap with the crankshaft 2. Its purpose is at least to make the two sides of the connecting shaft 11 that are far away from each other bear equal loads, reduce the eccentric torque generated by the crankshaft 2 during rotation, and thereby avoid periodic collisions between rotating parts and constrained bearings.

[0023] Embodiment: A cleaning device for processing automobile mechanical parts, such as Figure 1 - Figure 2 As shown, it includes a frame 1, and connecting shafts 11 are coaxially rotatably installed on both sides of the frame 1. The two connecting shafts 11 are used to be fixedly connected to the two ends of the crankshaft 2. A driving motor 15 for driving the connecting shafts 11 to rotate is arranged on the outside of the frame 1; a support column 16 is arranged inside the frame 1, and the support column 16 is used to support and limit the position of the connecting shaft 11 inside the frame 1; The cleaning assembly 3 includes a first cleaning part 31 and a second cleaning part 32. The first cleaning part 31 is installed in the frame 1 in a floating manner. The first cleaning part 31 is used to clean the connecting rod journal of the crankshaft 2 and the crank arms on both sides of the connecting rod journal. The second cleaning part 32 is fixedly installed in the frame 1. The second cleaning part 32 is used to clean the main journal of the crankshaft 2 and the crank arms on both sides of the main journal. The counterweight assembly 4 is installed on the outside of the frame 1 and floats up and down following the rotation of the crankshaft 2. The upper end of the counterweight assembly 4 is connected to the first cleaning part 31 to drive the first cleaning part 31 to float up and down inside the frame 1, so as to clean the connecting rod journal part of the eccentrically rotating crankshaft 2.

[0024] In the present invention, by arranging a cleaning component 3 inside the frame 1, the first cleaning part 31 of the cleaning component 3 can move up and down with the rotation of the crankshaft 2, so that the processing debris or grease remaining on the connecting rod journal and the crank arms on both sides of the connecting rod journal can be easily cleaned up, and by arranging counterweight components 4 on both sides of the connecting shaft 11, during the rotation of the crankshaft 2, the side of the connecting shaft 11 away from the connecting rod journal of the crankshaft 2 is heavier, so that the two sides of the connecting shaft 11 away from each other bear the same load, and the overall center of gravity of the crankshaft 2 connecting shaft 11 is adjusted to a degree of overlap with the crankshaft 2, so that the radial force of the connecting shaft 11 is more uniform, vibration during rotation is avoided, and thus damage to the bearing and equipment is avoided.

[0025] In addition, a first cleaning portion 31 is provided on the counterweight assembly 4 installed outside the frame 1. When the counterweight assembly 4 moves up and down following the rotation of the crankshaft 2, the first cleaning portion 31 moves up and down following the connecting rod journal of the crankshaft 2 to clean the surrounding area of ​​the connecting rod journal of the crankshaft.

[0026] It should be noted that the lower end of the second cleaning part 32 and the crankshaft contact part have the same structure as the first cleaning part 31. During the cleaning process, the second cleaning part 32 is fixed inside the frame 1, and the external water supply equipment supplies water to the first cleaning part 31 and the second cleaning part 32 respectively. Furthermore, if Figure 2 , Figure 3As shown, the ends of the two connecting shafts 11 that are away from each other extend out of the frame 1, and the ends of the two connecting shafts 11 that extend out of the frame 1 are fixedly installed with a rotating disk 12, and a meshing gear 14 is also fixedly installed on one side of the connecting shafts 11, and the driving motor 15 drives the connecting shaft 11 to rotate by driving the meshing gear 14 to rotate.

[0027] Among them, by fixing the meshing gear 14 on the connecting shaft 11 and driving the meshing gear 14 to rotate through the driving motor 15, the gear at the output shaft end of the driving motor 15 is much smaller than the meshing gear 14, so that the driving motor 15 can more easily drive the connecting shaft 11 to rotate through gear matching. In addition, by setting a rotating disk 12 on the connecting shaft 11, the connecting shaft 11 can have a greater rotational inertia during the rotation process, which can make it easier for the connecting rod journal of the crankshaft 2 to rotate upward.

[0028] Furthermore, if Figure 2 , Figure 3 As shown, an eccentric shaft 13 is installed on the rotating disk 12, and the eccentric shaft 13 is located on the connecting rod journal side of the rotating disk 12 away from the crankshaft 2. The lower end of the counterweight assembly 4 is rotatably connected to the eccentric shaft 13, and the eccentric shaft 13 is used to drive the counterweight assembly 4 to move up and down.

[0029] Among them, by setting an eccentric shaft 13 on the rotating disk 12, and connecting the eccentric shaft 13 to the bottom of the counterweight assembly 4, the counterweight assembly 4 is always driven to act on the side of the connecting rod journal of the rotating disk 12 away from the crankshaft 2 during the rotation of the rotating disk 12, which can make the crankshaft 2 rotate more smoothly.

[0030] Furthermore, if Figure 4 , Figure 5 As shown, a slide groove 1201 is provided on the rotating disk 12, a sliding block 121 is slidably installed inside the slide groove 1201, the eccentric shaft 13 is fixedly installed on the sliding block 121, and a threaded rod 122 is rotatably installed on the rotating disk 12, and the threaded rod 122 is used to drive the sliding block 121 toward or away from the center position of the rotating disk 12.

[0031] Among them, by setting a slide groove 1201 on the rotating disk 12 and installing the sliding block 121 inside the slide groove 1201, during use, the eccentric distance of the eccentric shaft 13 can be adjusted according to the distance from the connecting rod journal of the crankshaft 2 to the main shaft of the crankshaft 2, so that the cleaning equipment can clean the crankshaft 2 with different degrees of eccentricity.

[0032] Furthermore, if Figure 4 , Figure 5As shown, the counterweight assembly 4 includes a counterweight rod 41 slidably mounted on the side of the frame 1, the lower end of the counterweight rod 41 is rotatably and slidably connected to the eccentric shaft 13, and a guide rod 44 is provided in the middle of the counterweight rod 41. The guide rod 44 is fixedly mounted on the frame 1, and the guide rod 44 is used to guide the counterweight rod 41 to slide up and down.

[0033] Among them, by fixing the guide rod 44 on the frame 1, the guide rod 44 can guide the counterweight rod 41 to only move up and down, and can limit the position of the counterweight rod 41 to prevent the counterweight rod 41 from sliding out of the fixed track during the up and down movement.

[0034] Furthermore, a rotating connecting rod 42 is provided on the side of the frame 1, and the middle part of the rotating connecting rod 42 is rotatably connected to the outer wall of the frame 1 through a positioning shaft 43, one end of the rotating connecting rod 42 is rotatably connected to the upper end of the counterweight rod 41, and the other end of the rotating connecting rod 42 drives the first cleaning part 31 to slide up and down.

[0035] Among them, by setting a rotating connecting rod 42, the first cleaning part 31 can be driven to move up and down during the up and down movement of the counterweight rod 41. Since a positioning shaft 43 is set in the middle part of the rotating connecting rod 42, when one end of the rotating connecting rod 42 moves up and down, it will drive the other end of the rotating connecting rod 42 to move up and down in the opposite direction, thereby smoothly adjusting the up and down movement of the first cleaning part 31.

[0036] It should be noted that long sliding grooves 4201 are provided at both ends of the rotating connecting rod 42, so that the rotating connecting rod 42 can not only be rotatably connected with the counterweight rod 41 and the first cleaning part 31, but also allow the connecting part between the counterweight rod 41 and the first cleaning part 31 to approach or move away from the middle part of the rotating connecting rod 42.

[0037] Furthermore, if Figure 6 , Figure 7 As shown, the first cleaning part 31 includes a support frame 311, and a linkage shaft 316 is arranged on the support frame 311. One end of the linkage shaft 316 extends out of the frame 1, and the linkage shaft 316 is used to be connected to the upper end of the counterweight assembly 4. A plurality of delivery pipes 312 are arranged on the support frame 311, and the upper ends of the plurality of delivery pipes 312 are connected to an external water supply device, and the lower ends of the plurality of delivery pipes 312 are all provided with a flushing assembly.

[0038] Among them, by fixing the linkage shaft 316 at both ends of the support frame 311, during use, the linkage shaft 316 can be easily inserted into the sliding groove 4201 at the end of the rotating connecting rod 42, driving the support frame 311 to move up and down as a whole, and by setting a flushing component under the conveying pipe 312, the surface of the crankshaft 2 is flushed.

[0039] Furthermore, if Figure 8 As shown, the flushing assembly includes a hydraulic motor 313, a plurality of nozzles 315 are provided at the lower water outlet of the hydraulic motor 313, an output shaft 317 at the lower end of the hydraulic motor 313 extends out of the hydraulic motor 313, and a cleaning disc 314 for rubbing the surface of the crankshaft 2 is provided on the output shaft 317.

[0040] Among them, by setting up a hydraulic motor 313, high-speed flowing water is used to drive the cleaning disk 314 located below the hydraulic motor 313 to rotate. During the process of flushing the crankshaft 2, the cleaning disk 314 is simultaneously rotated to rub the surface of the crankshaft 2, so that the cleaning of the crankshaft 2 can be completed more efficiently. The hydraulic motor 313 is a conventional feature design and can provide stable rotation when the water flow is stable. The specific structure can refer to the spiral water wheel motor, which will not be repeated here.

[0041] Furthermore, if Figure 8 As shown, the cleaning disk 314 is provided with two groups, an upper group and a lower group, a flexible brush is provided on the outer side of the cleaning disk 314 , and the diameter of the lower cleaning disk 314 is smaller than the diameter of the upper cleaning disk 314 .

[0042] Among them, by setting two upper and lower cleaning disks 314 and making the lower cleaning disk 314 smaller in diameter than the upper cleaning disk 314, the inclination angles of the connecting rod journals on both sides of the crankshaft 2 and the crank arms on both sides of the connecting rod journals can be adapted. In addition, the flexible brush can swing under the action of centrifugal force during rotation. When adapting to different crank arm spacings, the degree of outward swing of the brush can be controlled by controlling the rotation speed of the cleaning disk 314, so that more specifications of crankshafts 2 can be adapted.

[0043] Working principle: During use, the crankshaft 2 is first placed between the two connecting shafts 11, and the two ends of the crankshaft 2 are fixed to the two connecting shafts 11 through sleeves (the installation structure of the sleeve is as shown in Figure 4As shown in ), the eccentric angle of the eccentric shaft 13 is then adjusted according to the connecting rod journal of the crankshaft 2, so that the torque brought to the crankshaft 2 main shaft by the connecting shaft 11 and the crankshaft 2 as a whole on both sides is the same. When the connecting shaft 11 drives the crankshaft 2 to rotate, the connecting rod journal of the crankshaft 2 moves to the side of the crankshaft 2 main shaft, and the load on the eccentric shaft 13 is located on the other side of the crankshaft 2 main shaft, so that when the connecting shaft 11 drives the crankshaft 2 to rotate, the two sides of the connecting shaft 11 that are far away from each other bear the same load, reducing the eccentric torque generated by the crankshaft 2 during the rotation process, thereby avoiding the periodic collision of the rotating part (the connecting shaft 11 in this embodiment) with the constrained bearing; in addition, the counterweight assembly 4 can not only serve as a load balancing the connecting shaft 11, but also drive the first cleaning part 31 to move up and down during use, so that the cleaning disk 314 of the first cleaning part 31 changes with the position change of the connecting rod journal of the crankshaft 2, and can clean all positions of the connecting rod journal to avoid leaving a cleaning dead angle.

[0044] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A cleaning device for automobile mechanical parts processing, characterized in that: include: A frame (1), wherein connecting shafts (11) are coaxially rotatably mounted on both sides of the frame (1), the two connecting shafts (11) being used to be fixedly connected to both ends of the crankshaft (2), and a driving motor (15) for driving the connecting shafts (11) to rotate is arranged on the outside of the frame (1); The cleaning assembly (3) comprises a first cleaning part (31) and a second cleaning part (32), wherein the first cleaning part (31) is mounted in an up-and-down floating manner inside the frame (1), and the first cleaning part (31) is used to clean the connecting rod journal of the crankshaft (2) and the crank arms on both sides of the connecting rod journal, and the second cleaning part (32) is fixedly mounted inside the frame (1), and the second cleaning part (32) is used to clean the main journal of the crankshaft (2) and the crank arms on both sides of the main journal; A counterweight assembly (4) is mounted on the outside of the frame (1) so as to float up and down following the rotation of the crankshaft (2); the upper end of the counterweight assembly (4) is connected to the first cleaning portion (31) to drive the first cleaning portion (31) to float up and down inside the frame (1) so as to clean the eccentrically rotating connecting rod journal portion of the crankshaft (2).

2. The cleaning equipment for automobile mechanical parts processing according to claim 1 is characterized in that: The ends of the two connecting shafts (11) that are away from each other extend out of the frame (1), and the ends of the two connecting shafts (11) that extend out of the frame (1) are fixedly mounted with a rotating disk (12), and a meshing gear (14) is also fixedly mounted on one of the connecting shafts (11). The driving motor (15) drives the connecting shaft (11) to rotate by driving the meshing gear (14) to rotate.

3. The cleaning equipment for automobile mechanical parts processing according to claim 2 is characterized in that: An eccentric shaft (13) is mounted on the rotating disk (12). The eccentric shaft (13) is located on a side of the rotating disk (12) away from the connecting rod journal of the crankshaft (2). The lower end of the counterweight assembly (4) is rotatably connected to the eccentric shaft (13). The eccentric shaft (13) is used to drive the counterweight assembly (4) to move up and down.

4. The cleaning equipment for automobile mechanical parts processing according to claim 3 is characterized in that: The rotating disk (12) is provided with a slide groove (1201), a sliding block (121) is slidably mounted inside the slide groove (1201), the eccentric shaft (13) is fixedly mounted on the sliding block (121), and a threaded rod (122) is rotatably mounted on the rotating disk (12), the threaded rod (122) being used to drive the sliding block (121) towards or away from the center position of the rotating disk (12).

5. The cleaning equipment for automobile mechanical parts processing according to claim 4, characterized in that: The counterweight assembly (4) comprises a counterweight rod (41) slidably mounted on the side of the frame (1) up and down, the lower end of the counterweight rod (41) being rotatably connected to the eccentric shaft (13), and a guide rod (44) being provided in the middle of the counterweight rod (41), the guide rod (44) being fixedly mounted on the frame (1), and the guide rod (44) being used to guide the counterweight rod (41) to slide up and down.

6. The cleaning equipment for automobile mechanical parts processing according to claim 5, characterized in that: A rotating connecting rod (42) is provided on the side of the frame (1); the middle portion of the rotating connecting rod (42) is rotatably connected to the outer wall of the frame (1) via a positioning shaft (43); one end of the rotating connecting rod (42) is rotatably connected to the upper end of the counterweight rod (41); and the other end of the rotating connecting rod (42) drives the first cleaning portion (31) to slide up and down.

7. The cleaning equipment for automobile mechanical parts processing according to claim 1, characterized in that: The first cleaning part (31) comprises a support frame (311), a linkage shaft (316) being arranged on the support frame (311), one end of the linkage shaft (316) extending out of the frame (1), the linkage shaft (316) being used to be connected to the upper end of the counterweight assembly (4), a plurality of delivery pipes (312) being arranged on the support frame (311), the upper ends of the plurality of delivery pipes (312) being connected to an external water supply device, and the lower ends of the plurality of delivery pipes (312) being arranged with a flushing assembly.

8. The cleaning equipment for automobile mechanical parts processing according to claim 7, characterized in that: The flushing assembly comprises a water motor (313), a water outlet at the lower end of the water motor (313) being provided with a plurality of nozzles (315), an output shaft (317) at the lower end of the water motor (313) extending out of the water motor (313), and a cleaning disc (314) for rubbing the surface of the crankshaft (2) being provided on the output shaft (317).

9. The cleaning equipment for automobile mechanical parts processing according to claim 8, characterized in that: The cleaning disc (314) is provided with two groups, upper and lower. A flexible brush is provided on the outer side of the cleaning disc (314). The diameter of the lower cleaning disc (314) is smaller than the diameter of the upper cleaning disc (314).

Images