A cleaning device for finished camshafts

Abstract

The present invention belongs to the technical field of cleaning equipment, and particularly relates to a cleaning equipment for finished camshafts, including a cleaning tank, a support frame, a cleaning component and a fixing component. The support frame is arranged in the cleaning tank, and both the cleaning component and the fixing component are arranged on the support frame; the cleaning component includes a fixed shaft, a movable shaft and a traction rope; both ends of the fixed shaft are rotatably connected to the support frame, both ends of the movable shaft are rotatably connected with a support plate, the support plate is slidably connected to the support frame, and a tensioning mechanism connected to the support plate is arranged on the support frame; a linear movement mechanism is arranged on the support frame, and the moving part of the linear movement mechanism is connected to a connecting component through a clamping component. The moving part of the linear movement mechanism drives the connecting component to move, and further drives the traction rope and the wire brush to move so as to clean the inner hole of the hollow camshaft. This cleaning process is realized by means of traction, and the traction rope can avoid interference with the inner hole during the movement process.

Description

Technical Field

[0001] The present invention belongs to the technical field of cleaning equipment, and particularly relates to a cleaning equipment for finished camshafts. Background Art

[0002] The hollow camshaft is an advanced manufacturing technology, whose main purposes are to reduce weight, improve material utilization rate, and optimize engine performance. By changing the traditional solid structure to a hollow design, the hollow camshaft not only reduces weight, but also reduces energy consumption, and at the same time provides the function of a lubricating oil passage.

[0003] The inner hole of the hollow camshaft needs to be cleaned by a steel brush during the production process; however, manual cleaning has the defects of high labor intensity and incomplete cleaning.

[0004] For this reason, the invention patent application with the patent application number 201410823622.4 discloses a cleaning machine for the inner hole of a cast hollow camshaft. The cleaning machine drives a slider component to slide up and down through a lifting cylinder, thereby driving a rotating steel brush to extend into the inner hole of the camshaft to perform reciprocating motion, and thus realizing the cleaning of the inner hole.

[0005] However, the above cleaning machine has the following disadvantages: 1. The steel brush is connected to the drill chuck through a brush rod. In order to ensure complete cleaning, the length of the brush rod is relatively long, and it is only fixed at one end, so it is easy to bend and even shake during the cleaning process, and thus will interfere with the inner hole unnecessarily. 2. The above structure has high requirements for the concentricity between the brush rod and the camshaft. Otherwise, during the cleaning process, the inner hole of the camshaft will be unevenly cleaned. 3. During the cleaning process, only the lower part of the hollow camshaft is immersed in the cleaning liquid, and complete immersion cannot be achieved, and it is easy to occur the situation of incomplete cleaning.

[0006] The utility model patent with the patent application number 202120638643.4 discloses a cleaning device for the middle hole of a camshaft, which is provided with a rotatable and axially movable steel rope, and the steel rope extends into the middle hole of the camshaft for cleaning. However, it also has the above problems: 1. The part of the steel rope extending into the inner hole is not restricted, and the steel rope is prone to bending (with a large shaking amplitude), and will interfere with the inner hole unnecessarily during the cleaning process. 2. The part of the steel rope extending into the middle hole of the camshaft is in a free moving state, and it is difficult to ensure the concentricity with the camshaft.

[0007] At the same time, in the above two patent documents, the impurities generated during the cleaning are relatively dispersed, and it is difficult to clean them later. Summary of the Invention

[0008] In view of the above technical problems, the present invention provides a cleaning device for finished camshafts. The cleaning device uses a traction method for cleaning, which can avoid interference between other components except the wire brush and the inner hole of the camshaft; it can achieve complete immersion of the camshaft and can scrape and collect a large amount of impurities generated during cleaning.

[0009] In order to solve the above technical problems, the technical solution adopted by the present invention is as follows:

[0010] A cleaning device for finished camshafts, comprising a cleaning tank, a support frame, a cleaning component and a fixing component. The support frame is arranged in the cleaning tank, and both the cleaning component and the fixing component are arranged on the support frame;

[0011] The cleaning component includes a fixed shaft, a movable shaft and a traction rope; both ends of the fixed shaft are rotatably connected to the support frame, both ends of the movable shaft are rotatably connected with support plates, the support plates are slidably connected to the support frame, and a tensioning mechanism connected to the support plates is arranged on the support frame;

[0012] A first sheave is fixed on the fixed shaft, and a second sheave is fixed on the movable shaft; both ends of the traction rope are connected through a connecting component to form a loop and are wound between the first sheave and the second sheave; a wire brush is fixedly connected to the traction rope; a linear movement mechanism is arranged on the support frame, and the moving part of the linear movement mechanism is connected to the connecting component through a clamping component;

[0013] An elevating scraping mechanism is arranged between the support frame and the cleaning tank. The elevating scraping mechanism includes a scissor lift and a scraping plate. The bottom plate of the scissor lift is fixedly connected to the cleaning tank, and the top plate of the scissor lift is fixedly connected to the support frame; the scraping plate is slidably connected to the bottom plate of the scissor lift, and the moving shaft of the scissor lift is rotatably connected to the scraping plate; the lower end surface of the scraping plate is in contact with the inner bottom of the cleaning tank.

[0014] The fixing component includes a fixing plate, a support block, a limiting block and a pressing block; the fixing plate is connected to the support frame, the pressing block is slidably connected to the fixing plate, and a pressing cylinder is arranged between the pressing block and the fixing plate; both the support block and the limiting block are fixedly connected to the fixing plate, and the support block is located between the pressing block and the limiting block; a V-shaped opening groove is arranged on the support block.

[0015] Adjusting columns are fixed on both sides of the support frame, and support ears slidably connected to the adjusting columns are fixed on the fixing plate; two adjusting nuts are threadedly connected to the adjusting columns, and the support ears are located between the two adjusting nuts.

[0016] The tensioning mechanism includes a tensioning shaft and a tensioning spring; both the support plate and the support frame are provided with connecting ears slidably connected to the tensioning shaft; the tensioning spring is sleeved outside the tensioning shaft, and both ends of the tensioning spring are respectively in contact with the corresponding connecting ears.

[0017] The connecting component includes a first connecting pipe and a second connecting pipe. The second connecting pipe is rotatably connected to one end of the towing rope, and the first connecting pipe is rotatably connected to the other end of the towing rope. The first connecting pipe and the second connecting pipe are threadedly connected; a connecting protrusion that cooperates with the clamping component is provided on the first connecting pipe in a circle.

[0018] The clamping component includes a connecting plate and a clamping groove body; the connecting plate is fixedly connected to the moving part; the clamping groove body is slidably connected to the connecting plate, and a support spring is provided between the clamping groove body and the connecting plate; a clamping groove is provided on the clamping groove body.

[0019] The clamping component further includes a pushing plate and a pushing cylinder. The pushing plate is slidably connected to the support frame, and both ends of the pushing cylinder are fixedly connected to the pushing plate and the support frame respectively; a push rod is fixed on the pushing plate, and an inclined block that contacts the push rod is provided on the clamping groove body; a pushing plate that cooperates with the movable shaft is fixed on the pushing plate.

[0020] A groove part is provided at the inner bottom of the cleaning box, and a discharge pipe is provided in the groove part.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] The moving part of the linear moving mechanism drives the connecting component to move, and then drives the towing rope and the wire brush to move, so as to clean the inner hole of the camshaft. This cleaning process is realized by means of towing, and the towing rope can avoid interference with the inner hole during the moving process.

[0023] The towing rope has a certain flexibility, that is, the wire brush has a certain range of movement, so that the requirement for concentricity can be reduced and better contact with the inner hole can be achieved.

[0024] Through the structural setting of the fixing component, the camshaft can be horizontally placed in the cleaning box and completely immersed in the cleaning liquid.

[0025] The structural setting of the pushing plate and the pushing cylinder can achieve the purpose of moving the clamping groove body upward and shortening the distance between the first sheave and the second sheave after the cleaning is completed; thus facilitating the separation of the first connecting pipe and the second connecting pipe.

[0026] A lifting scraping mechanism is provided; when the scissor lift is performing lifting operations, it can drive the scraper to move accordingly, so as to scrape a large amount of impurities in the cleaning box into the groove part. Description of the Drawings

[0027] Figure 1 is a schematic structural diagram in one direction of the present invention;

[0028] Figure 2 is a schematic structural diagram in another direction of the present invention;

[0029] Figure 3 is a cross-sectional view of the present invention;

[0030] Figure 4 is a schematic structural view of the cleaning component of the present invention;

[0031] Figure 5 is Figure 4 a cross-sectional view of the structure shown;

[0032] Figure 6 is a schematic view of the use state of the fixing component of the present invention;

[0033] Figure 7 is Figure 6 the front view of the structure shown;

[0034] Figure 8 is a schematic structural view of the connection between the linear movement mechanism and the clamping component of the present invention;

[0035] Figure 9 is a schematic structural view of the lifting scraping mechanism of the present invention;

[0036] Figure 10 is a schematic structural view of the connection between the lifting scraping mechanism and the cleaning tank of the present invention;

[0037] Among them: 1 is the cleaning tank, 10 is the groove part, 11 is the discharge pipe, 12 is the camshaft, 2 is the support frame, 3 is the cleaning component, 30 is the fixed shaft, 31 is the movable shaft, 32 is the towing rope, 33 is the support plate, 34 is the tensioning mechanism, 340 is the tensioning shaft, 341 is the tensioning spring, 342 is the connecting ear, 35 is the first sheave, 36 is the second sheave, 37 is the wire brush, 38 is the linear movement mechanism, 380 is the moving part, 4 is the fixing component, 40 is the fixing plate, 41 is the support block, 42 is the limiting block, 43 is the pressing block, 44 is the pressing cylinder, 45 is the V-shaped opening groove, 46 is the support ear, 5 is the connecting component, 50 is the first connecting pipe, 51 is the second connecting pipe, 52 is the connecting protrusion, 6 is the clamping component, 60 is the connecting plate, 61 is the clamping groove body, 62 is the support spring, 63 is the clamping groove, 64 is the pushing plate, 65 is the pushing cylinder, 66 is the push rod, 67 is the inclined block, 68 is the pushing plate, 7 is the adjusting column, 8 is the adjusting nut, 9 is the lifting scraping mechanism, 90 is the scissor lift, 91 is the scraping plate, 92 is the bottom plate, 93 is the top plate, 94 is the moving shaft, 95 is the telescopic cylinder, 96 is the scissor rod. Detailed implementation manners

[0038] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments.

[0039] AsFigure 1-10 As shown in the figure, a cleaning device for finished camshafts includes a cleaning tank 1, a support frame 2, a cleaning component 3, and a fixing component 4. The support frame 2 is arranged inside the cleaning tank 1, and both the cleaning component 3 and the fixing component 4 are arranged on the support frame 2. The cleaning tank 1 contains a cleaning liquid.

[0040] The cleaning component 3 includes a fixed shaft 30, a movable shaft 31, and a towing rope 32. Both ends of the fixed shaft 30 are rotatably connected to the support frame 2. Both ends of the movable shaft 31 are rotatably connected with support plates 33. The support plates 33 are slidably connected to the support frame 2. A tensioning mechanism 34 connected to the support plates 33 is arranged on the support frame 2.

[0041] A first sheave 35 is fixed on the fixed shaft 30, and a second sheave 36 is fixed on the movable shaft 31. Both ends of the towing rope 32 are connected through a connecting component 5, and are connected to form a loop and wrap around between the first sheave 35 and the second sheave 36. A wire brush 37 is fixedly connected to the towing rope 32. Through the setting of the tensioning mechanism 34, the towing rope 32 can be in an appropriate tensioned state.

[0042] A linear movement mechanism 38 is arranged on the support frame 2. The moving part 380 of the linear movement mechanism 38 is connected to the connecting component 5 through a clamping component 6. By moving the moving part 380, the connecting component 5 and the towing rope 32 can be driven to move, so as to drive the wire brush 37 to clean the inner hole of the camshaft 12. The above linear movement mechanism 38 preferably adopts a linear motor, and the moving part 380 refers to the mover seat of the linear motor.

[0043] During use, first fix the camshaft 12 to be cleaned through the fixing component 4; then extend one end of the towing rope 32 through the inner hole of the camshaft 12, and connect both ends of the towing rope 32 through the connecting component 5 to form a loop and wrap around between the first sheave 35 and the second sheave 36; finally, the linear movement mechanism 38 drives the towing rope 32 to reciprocate through the moving part 380, so that the wire brush 37 on the towing rope 32 reciprocates in the inner hole of the camshaft 12, thereby cleaning the inner hole.

[0044] After cleaning, separate both ends of the towing rope 32, and draw out the towing rope 32 from the inner hole of the camshaft 12; finally, release the fixation and take out the camshaft 12.

[0045] A lifting scraping mechanism 9 is arranged between the support frame 2 and the cleaning tank 1. The lifting scraping mechanism 9 includes a scissor lift 90 and a scraping plate 91. The scissor lift 90 can adopt the structure in the prior art; it mainly consists of a top plate 93, a bottom plate 92, a moving shaft 94, and a telescopic cylinder 95; the top plate 93 and the bottom plate 92 are connected through scissor rods 96, and one side of the lower end of the scissor rods 96 is slidably connected to the bottom plate 92 through the moving shaft 94.

[0046] The bottom plate 92 of the scissor lift 90 is fixedly connected to the cleaning tank 1, and the top plate 93 of the scissor lift 90 is fixedly connected to the support frame 2. After cleaning, the support frame 2 can be lifted by the scissor lift 90, facilitating the removal of the camshaft 12.

[0047] The scraping plate 91 is slidably connected to the bottom plate 92 of the scissor lift 90, and the moving shaft 94 of the scissor lift 90 is rotatably connected to the scraping plate 91; the lower end surface of the scraping plate 91 contacts the inner bottom of the cleaning tank 1. Both ends of the telescopic cylinder 95 are fixedly connected to the bottom plate 92 and the scraping plate 91 respectively.

[0048] When the scissor lift 90 performs lifting operations, the telescopic cylinder 95 expands and contracts to drive the scraping plate 91 to move accordingly, scraping and collecting impurities in the cleaning tank 1.

[0049] Specifically: a groove portion 10 is provided at the inner bottom of the cleaning tank 1, and a discharge pipe 11 is provided in the groove portion 10. When the scraping plate 91 moves, impurities in the cleaning tank 1 can be scraped to the groove portion 10 and finally discharged through the discharge pipe 11. A corresponding valve is provided on the discharge pipe 11.

[0050] Furthermore, the fixing assembly 4 includes a fixing plate 40, a support block 41, a limiting block 42, and a pressing block 43; the fixing plate 40 is connected to the support frame 2, the pressing block 43 is slidably connected to the fixing plate 40, a pressing cylinder 44 is provided between the pressing block 43 and the fixing plate 40, and both ends of the pressing cylinder 44 are fixedly connected to the pressing block 43 and the fixing plate 40 respectively. The pressing block 43 can be driven to move by the expansion and contraction of the pressing cylinder 44.

[0051] Both the support block 41 and the limiting block 42 are fixedly connected to the fixing plate 40. The support block 41 is located between the pressing block 43 and the limiting block 42, and a V-shaped opening groove 45 is provided on the support block 41.

[0052] During fixation, the round shaft portion of the camshaft 12 is placed on the V-shaped opening groove 45 of the support block 41. The pressing cylinder 44 extends to drive the pressing block 43 to move towards the limiting block 42 until the limiting block 42 and the pressing block 43 contact the two end faces of the camshaft 12, thereby clamping the camshaft 12 and playing a fixing role.

[0053] When releasing the fixation, the pressing cylinder 44 retracts to drive the pressing block 43 away from the limiting block 42, so that the limiting block 42 and the pressing block 43 no longer clamp the camshaft 12, and the fixation can be released.

[0054] Furthermore, the towing rope 32 has a certain bendability, that is, the wire brush 37 has a certain range of movement, which can reduce the requirement for concentricity and better contact with the inner hole. To be applicable to camshafts 12 with significantly different specifications and dimensions, the following structure is also provided:

[0055] Adjusting columns 7 are fixed on both sides of the support frame 2, and support ears 46 that are slidably connected to the adjusting columns 7 are fixed on the fixing plate 40; two adjusting nuts 8 are threadedly connected to the adjusting columns 7, and the support ears 46 are located between the two adjusting nuts 8. By adjusting the positions of the two adjusting nuts 8, the up-and-down movement of the fixing plate 40 and the camshaft 12 can be realized, thereby changing the positional relationship between the traction rope 32 and the camshaft 12, and playing a role in adjusting the coaxiality.

[0056] When the traction rope 32 is located below the axis of the camshaft 12 and needs to be adjusted upward; first, counterclockwise rotate the upper adjusting nut 8 to make it move upward, and then counterclockwise rotate the lower adjusting nut 8 to make it move upward and drive the fixing plate 40 to move upward accordingly. After adjusting to the required height, clockwise rotate the upper adjusting nut 8.

[0057] On the contrary, when the traction rope 32 is located above the axis of the camshaft 12 and needs to be adjusted downward; first, clockwise rotate the lower adjusting nut 8 to make it move downward, and the fixing plate 40 also moves downward accordingly. After adjusting to the required height, clockwise rotate the upper adjusting nut 8.

[0058] Furthermore, the tensioning mechanism 34 includes a tensioning shaft 340 and a tensioning spring 341; both the support plate 33 and the support frame 2 are provided with connecting ears 342 that are slidably connected to the tensioning shaft 340; the tensioning spring 341 is sleeved outside the tensioning shaft 340, and both ends of the tensioning spring 341 are in contact with the corresponding connecting ears 342. Under the action of the tensioning spring 341, the support plate 33 is pushed away from the fixed shaft 30.

[0059] Furthermore, the connecting assembly 5 includes a first connecting pipe 50 and a second connecting pipe 51. A circle of connecting protrusions 52 that cooperate with the clamping assembly 6 are provided on the first connecting pipe 50. The size of the second connecting pipe 51 is smaller than the size of the inner hole of the camshaft 12 to ensure that it can pass through the inner hole of the camshaft 12 and extend out.

[0060] The second connecting pipe 51 is rotatably connected to one end of the traction rope 32, and the first connecting pipe 50 is rotatably connected to the other end of the traction rope 32. During use, pass the second connecting pipe 51 and one end of the traction rope 32 through the inner hole of the camshaft 12 and extend out, and then threadedly connect the first connecting pipe 50 and the second connecting pipe 51. After cleaning, disassemble the first connecting pipe 50 and the second connecting pipe 51, and the two ends of the traction rope 32 can be separated.

[0061] Furthermore, the clamping assembly 6 includes a connecting plate 60 and a clamping groove body 61; the connecting plate 60 is fixedly connected to the moving part 380; the clamping groove body 61 is slidably connected to the connecting plate 60, and a support spring 62 is provided between the clamping groove body 61 and the connecting plate 60.

[0062] After the first connecting pipe 50 and the second connecting pipe 51 are threadedly connected, the connecting protrusion 52 is located in the clamping groove 63 of the clamping groove body 61, and the clamping between the two can be realized. In the initial state, the support spring 62 is in a compressed state, so that the clamping groove body 61 can press tightly against the connecting protrusion 52 to ensure the firmness of the clamping. When the moving part 380 moves, it will drive the clamping groove body 61 and the connecting protrusion 52 to move together, and the movement of the traction rope 32 can be realized.

[0063] Furthermore, the clamping assembly 6 further includes a pushing plate 64 and a pushing cylinder 65. The pushing plate 64 is slidably connected to the support frame 2, and both ends of the pushing cylinder 65 are fixedly connected to the pushing plate 64 and the support frame 2 respectively; the pushing plate 64 is driven to move by the telescopic movement of the pushing cylinder 65.

[0064] A push rod 66 is fixed on the pushing plate 64, and an inclined block 67 in contact with the push rod 66 is provided on the clamping groove body 61; a push plate 68 cooperating with the movable shaft 31 is fixed on the pushing plate 64. After the cleaning is completed, the pushing cylinder 65 extends to drive the pushing plate 64 to move, so that the push plate 68 contacts the movable shaft 31 and drives the movable shaft 31 to move towards the fixed shaft 30, thereby shortening the distance between the fixed shaft 30 and the movable shaft 31, making the traction rope 32 in a relaxed state, so as to facilitate the separation of the two ends of the traction rope 32. At the same time, the push rod 66 contacts the inclined block 67, thereby jacking up the clamping groove body 61 to increase the operating space when disassembling the connecting assembly 5.

[0065] Only the preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the above embodiments.

Claims

1. A cleaning device for a finished camshaft, characterized in that: It comprises a cleaning box (1), a supporting frame (2), a cleaning component (3) and a fixing component (4), wherein the supporting frame (2) is arranged in the cleaning box (1), and the cleaning component (3) and the fixing component (4) are both arranged on the supporting frame (2); The cleaning assembly (3) comprises a fixed shaft (30), a movable shaft (31) and a traction rope (32); the two ends of the fixed shaft (30) are respectively rotatably connected to the support frame (2); the two ends of the movable shaft (31) are rotatably connected to support plates (33); the support plates (33) are slidably connected to the support frame (2); and the support frame (2) is provided with a tensioning mechanism (34) connected to the support plates (33); A first groove wheel (35) is fixed on the fixed shaft (30), and a second groove wheel (36) is fixed on the movable shaft (31); two ends of the traction rope (32) are connected via a connecting assembly (5) to form a ring and are wrapped between the first groove wheel (35) and the second groove wheel (36); a wire brush (37) is fixedly connected to the traction rope (32); a linear motion mechanism (38) is provided on the support frame (2), and a moving part (380) of the linear motion mechanism (38) is connected to the connecting assembly (5) via a clamping assembly (6); A lifting and scraping mechanism (9) is provided between the support frame (2) and the cleaning box (1), the lifting and scraping mechanism (9) comprising a scissor lift (90) and a scraper (91), the bottom plate (92) of the scissor lift (90) being fixedly connected to the cleaning box (1), and the top plate (93) of the scissor lift (90) being fixedly connected to the support frame (2); the scraper (91) being slidably connected to the bottom plate (92) of the scissor lift (90), and the moving shaft (94) of the scissor lift (90) being rotatably connected to the scraper (91); and the lower end surface of the scraper (91) being in contact with the inner bottom of the cleaning box (1); The connecting assembly (5) comprises a first connecting tube (50) and a second connecting tube (51); the second connecting tube (51) is rotatably connected to one end of the traction rope (32); the first connecting tube (50) is rotatably connected to the other end of the traction rope (32); the first connecting tube (50) and the second connecting tube (51) are threadedly connected; the first connecting tube (50) is provided with a circle of connecting protrusions (52) that cooperate with the clamping assembly (6); The clamping assembly (6) comprises a connecting plate (60) and a clamping slot body (61); the connecting plate (60) is fixedly connected to the moving part (380); the clamping slot body (61) and the connecting plate (60) are slidably connected, and a supporting spring (62) is provided between the clamping slot body (61) and the connecting plate (60); and a clamping slot (63) is provided on the clamping slot body (61); The clamping assembly (6) further comprises a push plate (64) and a push cylinder (65); the push plate (64) is slidably connected to the support frame (2); two ends of the push cylinder (65) are respectively fixedly connected to the push plate (64) and the support frame (2); a push rod (66) is fixed to the push plate (64); an inclined block (67) in contact with the push rod (66) is provided on the clamping groove body (61); and a push plate (68) cooperating with the movable shaft (31) is fixed to the push plate (64).

2. A cleaning device for a finished camshaft according to claim 1, characterized in that: The fixing assembly (4) comprises a fixing plate (40), a supporting block (41), a limiting block (42) and a pressing block (43); the fixing plate (40) is connected to the supporting frame (2); the pressing block (43) is slidably connected to the fixing plate (40); a pressing cylinder (44) is provided between the pressing block (43) and the fixing plate (40); the supporting block (41) and the limiting block (42) are both fixedly connected to the fixing plate (40); the supporting block (41) is located between the pressing block (43) and the limiting block (42); and a V-shaped opening groove (45) is provided on the supporting block (41).

3. A cleaning device for a finished camshaft according to claim 2, characterized in that: Adjustment columns (7) are fixed on both sides of the support frame (2); support ears (46) slidably connected to the adjustment columns (7) are fixed on the fixing plate (40); two adjustment nuts (8) are threadedly connected to the adjustment columns (7); and the support ears (46) are located between the two adjustment nuts (8).

4. A cleaning device for a finished camshaft according to claim 1, characterized in that: The tensioning mechanism (34) comprises a tensioning shaft (340) and a tensioning spring (341); the support plate (33) and the support frame (2) are both provided with connecting ears (342) slidably connected to the tensioning shaft (340); the tensioning spring (341) is sleeved outside the tensioning shaft (340), and two ends of the tensioning spring (341) are respectively in contact with corresponding connecting ears (342).

5. The cleaning device for a finished camshaft according to claim 1, characterized in that: The cleaning box (1) has a groove portion (10) at the bottom thereof, and the groove portion (10) is provided with a discharge pipe (11).

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