Cleaning device suitable for crankshaft with spiral oil groove

Abstract

The utility model relates to the technical field of crankshaft production equipment, in particular to a cleaning device suitable for a crankshaft with a spiral oil groove, which comprises a rack, and a compressed gas generator, a protective cover, a gas injection component and a bracket which are arranged on the rack, the protective cover covers the bottom support to form a closed space, and the air injection assembly and the bracket are both located on the inner side of the closed space. The air injection assembly comprises an air channel and a plurality of air nozzles, the air channel is connected with the compressed air generator through a pipeline, the multiple air nozzles are distributed on the air channel, and outlets of the air nozzles face the bracket; according to the crankshaft cleaning device, the cleaning efficiency of the crankshaft can be improved, and the production cost of the crankshaft can be reduced.

Description

Technical Field

[0001] This utility model relates to the field of crankshaft production equipment technology, specifically to a cleaning device applicable to crankshafts with spiral oil grooves. Background Technology

[0002] The spiral oil grooves of the crankshaft are a key design element in the lubrication system. Their primary purpose is to optimize the flow and distribution of lubricating oil, thereby improving the crankshaft's performance, lifespan, and reliability. After crankshaft machining, metal shavings, cutting fluid, grease, and other contaminants may remain on the surface and internal oil passages. Therefore, the crankshaft needs to undergo a series of processes including pre-cleaning, deep cleaning, rinsing, and rust prevention treatment. Pre-cleaning is crucial for enhancing the effectiveness of subsequent crankshaft cleaning. Currently, there are two methods for crankshaft pre-cleaning: one involves manually brushing the crankshaft's outer surface, oil grooves, keyways, and other areas prone to chip accumulation; the other uses a high-pressure air gun with a thin nozzle aimed at the main shaft journal oil holes, connecting rod journal oil holes, and spiral oil grooves. Both of these pre-cleaning methods require rotating the crankshaft during cleaning, resulting in low cleaning efficiency and unsuitability for mass production operations. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a cleaning device suitable for crankshafts with spiral oil grooves, which can improve the cleaning efficiency of crankshafts and reduce the production cost of crankshafts.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a cleaning device for crankshafts with spiral oil grooves, comprising a frame and a compressed gas generator, a protective cover, an air jet assembly, and a bracket mounted on the frame. The top of the frame has an open-top box-shaped base, and the protective cover covers the base to form a closed space. The air jet assembly and the bracket are both located inside the closed space. The air jet assembly includes an air passage and multiple air nozzles. The air passage is connected to the compressed gas generator via a pipe, and the multiple air nozzles are arranged on the air passage with their outlets facing the bracket. The protective cover also has an outlet.

[0005] Preferably, the airway has a ring-shaped structure; multiple jet nozzles are distributed at the inner end of the ring-shaped airway; and the bracket is at least partially located inside the airway.

[0006] Preferably, the airway is provided in multiple ways, and the multiple airways are distributed at intervals along the front-back direction and are connected in parallel.

[0007] Preferably, the bracket includes a frame and a plurality of support rods disposed inside the frame; the support rods are at least partially located inside the airway.

[0008] Preferably, the bracket further includes multiple clamping blocks; the clamping blocks are evenly and slidably disposed on the support rod; the multiple clamping blocks are all located inside the airway.

[0009] Preferably, the clamping block has a wedge-shaped structure that is narrower at the top and wider at the bottom.

[0010] Preferably, the clamping block is made of rubber.

[0011] Preferably, the support rod is a square rod structure.

[0012] Preferably, the protective cover is a box-shaped structure with an open lower end, consisting of a protective cover body, a front baffle, and a rear baffle, wherein the front baffle and the rear baffle are slidably disposed at the front end and the rear end of the protective cover body, respectively.

[0013] Preferably, the protective cover is made of transparent glass.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: by setting a bracket with clamping function and an annular air passage inside the protective cover, and providing multiple jet nozzles at the inner end of the air passage, the bracket is located inside the air passage and the multiple jet nozzles are all facing the bracket. During operation, the air passage receives compressed air from the compressed gas generator and blows the crankshaft on the bracket in multiple directions through the jet nozzles. In this process, the entire outer surface of the crankshaft can be cleaned without manually adjusting the crankshaft's posture. This cleaning device can improve the cleaning efficiency of the crankshaft and reduce the production cost of the crankshaft. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the cleaning device of this utility model;

[0016] Figure 2 This is a schematic diagram of the cleaning device of this utility model after the protective cover has been removed;

[0017] Figure 3 This is a schematic diagram of the bracket structure of this utility model.

[0018] In the diagram: 1 frame, 2 compressed gas generator, 3 protective cover, 4 jet assembly, 5 bracket, 11 base support, 31 protective cover body, 32 front baffle, 33 rear baffle, 34 outlet, 41 air passage, 42 jet nozzle, 51 support frame, 52 support rod, 53 clamping block. Detailed Implementation

[0019] The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings, so that those skilled in the art can more clearly understand how to practice this utility model. Although this utility model has been described in conjunction with its preferred embodiments, these embodiments are merely illustrative and not intended to limit the scope of this utility model.

[0020] See Figure 1-3 In one embodiment of this utility model, a cleaning device for a crankshaft with a spiral oil groove includes: a frame 1 and a compressed gas generator 2, a protective cover 3, an air jet assembly 4, and a bracket 5 mounted on the frame 1. The top of the frame 1 has a box-shaped base 11 with an open top. The protective cover 3 can be placed on the base 11 to form a closed space. The air jet assembly 4 and the bracket 5 are both located inside the closed space. The bracket 5 is used to place and stabilize the crankshaft. The air jet assembly 4 includes an air passage 41 and multiple air nozzles 42. The air passage 41 is connected to the compressed gas generator 2 via a pipe. A jet nozzle 42 is arranged on the air passage 41, and the outlet of the jet nozzle 42 faces the bracket 5; the protective cover 3 is also provided with an outlet 34, which is connected to an external vacuum cleaner (not shown in the figure) through a pipe. The vacuum cleaner can suck out the dust and debris inside the protective cover 3 when the cleaning device is working, thereby improving the cleaning effect of the cleaning device; when the compressed gas generator 2 is working, the compressed air can be blown onto the crankshaft on the bracket 5 through the jet nozzle 42. The multiple positions of the jet nozzle 42 can make the crankshaft thoroughly cleaned in a short time, thereby greatly improving the cleaning efficiency of the crankshaft.

[0021] Specifically, the protective cover 3 is a box-shaped structure with an open lower end, consisting of a protective cover body 31, a front baffle 32, and a rear baffle 33. The front baffle 32 and the rear baffle 33 are slidably disposed at the front end and rear end of the protective cover body 31, respectively, with the sliding direction being vertical up and down. In use, the protective cover 3 can be easily opened by pushing the front baffle 32 or the rear baffle 33 up and down, providing convenience for inserting or removing the crankshaft into the cleaning device.

[0022] Furthermore, the protective cover 3 is made of transparent glass, which not only provides protection but also allows personnel to easily observe the operation inside the cleaning device in real time.

[0023] The air passage 41 has a ring-shaped structure, and its bottom is connected to the compressed gas generator 2 through a pipe. Multiple air nozzles 42 are arranged along the length of the air passage 41 on the inner end of the air passage 41. In addition, the air nozzles 42 are movable, and the orientation of the air nozzles 42 can be manually adjusted to achieve thorough cleaning of the workpiece at various angles. During operation, the compressed gas generator 2 can inject compressed air into the air passage 41, and the compressed air is shot towards the workpiece through the air nozzles 42 to complete the cleaning purpose.

[0024] In this embodiment, there are three airways 41, which are distributed at intervals along the front-back direction and are connected in parallel.

[0025] The bracket 5 includes a support frame 51 and support rods 52 and clamping blocks 53 disposed inside the support frame 51. Multiple support rods 52 and clamping blocks 53 are provided. The clamping blocks 53 are paired and slidably disposed on the support rods 52. The crankshaft can be clamped or supported by widening or narrowing the distance between two clamping blocks 53, so that the crankshaft is stable during cleaning operations. In this embodiment, the support rods 52 and the air passage 41 are alternately arranged, and the clamping blocks 53 are all located inside the air passage 41.

[0026] Furthermore, the clamping block 53 has a wedge-shaped structure that is narrower at the top and wider at the bottom. The advantage of this structure is that the clamping block 53 can be stably mounted on the support rod 52 and has less contact with the crankshaft, so as not to obstruct the jet nozzle 42 and make the cleaning more thorough. In addition, the support rod 52 has a square rod structure, that is, the longitudinal section of the support rod 52 is square. The square rod structure can prevent the clamping block 53 from rotating when it slides, thus ensuring the stability after clamping.

[0027] In one embodiment, the clamp 53 is made of rubber, a soft material that will not scratch the crankshaft.

[0028] This technical solution utilizes a clamping bracket and an annular air passage located inside the protective cover. Multiple nozzles are positioned at the inner end of the air passage, with the bracket inside and all nozzles facing the bracket. During operation, the air passage receives compressed air from a compressed gas generator and uses the nozzles to blow air onto the crankshaft on the bracket from multiple directions. This process eliminates the need for manual adjustment of the crankshaft's orientation, allowing for the cleaning of the entire outer surface of the crankshaft. This cleaning device improves crankshaft cleaning efficiency and reduces crankshaft production costs.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A cleaning device suitable for crankshafts with spiral oil grooves, characterized in that: The device includes a frame (1) and a compressed gas generator (2), a protective cover (3), a jet assembly (4), and a bracket (5) mounted on the frame (1). The top of the frame (1) is provided with a box-shaped base (11) with an open top. The protective cover (3) covers the base (11) to form a closed space. The jet assembly (4) and the bracket (5) are both located inside the closed space. The jet assembly (4) includes an air passage (41) and multiple jet nozzles (42). The air passage (41) is connected to the compressed gas generator (2) through a pipe. The multiple jet nozzles (42) are arranged on the air passage (41) and the outlet of the jet nozzles (42) faces the bracket (5). The protective cover (3) is also provided with an outlet (34).

2. A cleaning device for a crankshaft with spiral oil grooves according to claim 1, characterized in that: The air passage (41) has an annular structure; multiple jet nozzles (42) are distributed on the inner end of the annular air passage (41); the bracket (5) is at least partially located inside the air passage (41).

3. A cleaning device for a crankshaft with spiral oil grooves according to claim 2, characterized in that: The airway (41) is provided in multiple ways, and the multiple airways (41) are distributed at intervals along the front and back direction and are connected in parallel.

4. A cleaning device for a crankshaft with spiral oil grooves according to claim 3, characterized in that: The bracket (5) includes a frame (51) and a plurality of support rods (52) disposed inside the frame (51); the support rods (52) are at least partially located inside the air passage (41).

5. A cleaning device for a crankshaft with spiral oil grooves according to claim 4, characterized in that: The bracket (5) also includes multiple clamping blocks (53); the clamping blocks (53) are evenly and slidably disposed on the support rod (52); the multiple clamping blocks (53) are all located inside the air passage (41).

6. A cleaning device for a crankshaft with spiral oil grooves according to claim 5, characterized in that: The clamp (53) has a wedge-shaped structure that is narrow at the top and wide at the bottom.

7. A cleaning device for a crankshaft with spiral oil grooves according to claim 5, characterized in that: The clamp (53) is made of rubber.

8. A cleaning device for a crankshaft with spiral oil grooves according to claim 5, characterized in that: The support rod (52) is a square rod structure.

9. A cleaning device for a crankshaft with spiral oil grooves according to claim 1, characterized in that: The protective cover (3) is a box-shaped structure with an open lower end, consisting of a protective cover body (31), a front baffle (32) and a rear baffle (33), wherein the front baffle (32) and the rear baffle (33) are slidably disposed at the front end and the rear end of the protective cover body (31), respectively.

10. A cleaning device for a crankshaft with spiral oil grooves according to claim 1, characterized in that: The protective cover (3) is made of transparent glass.

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