Ultrasonic cleaning pool for sleeve of shock absorber

Abstract

The ultrasonic cleaning pool comprises a liquid storage pool body capable of cleaning a workpiece placed in a pool cavity of the ultrasonic cleaning pool, and an inner cavity cleaning assembly which is used for bearing the sleeve workpiece and can be inserted into a cylinder cavity of the sleeve workpiece to clean the inner wall of the cylinder cavity of the sleeve workpiece is arranged in the liquid storage pool body. A plurality of ultrasonic cleaning units capable of conducting ultrasonic cleaning on the sleeve workpieces are arranged on the inner bottom face of the liquid storage pool body at intervals. A cleaning mechanism capable of scraping, sweeping and cleaning the bottom of the pool is further supported in the liquid storage pool body, and the side wall of the liquid storage pool body is further connected with a slag discharging assembly capable of transferring impurities cleaned by the cleaning mechanism; a cleaning column of the inner cavity cleaning assembly is inserted into a sleeve cavity of the sleeve workpiece in the mode of constructing a rotating brush body and continuously outputting flushing fluid flow. The inner cavity of the sleeve workpiece can be fully cleaned, impurities can be discharged, and the cleaning quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorber accessory cleaning equipment, in particular to a sleeve ultrasonic cleaning pool for shock absorbers. Background Art

[0002] Shock absorbers are widely used to reduce vibration and noise in various vibrating equipment and their piping, including fans, pipes, pumps, generators, central air conditioners, air cabinets, freezers, cooling towers, air compressors, and precision instruments. They are most widely used in the automotive sector. The components used in shock absorber production primarily include springs, dampers, seals, piston rods, sleeves, shock absorber oil, valve train components, dust boots, and connectors.

[0003] When processing a sleeve, it is usually necessary to perform stamping and welding operations, which causes oil stains, debris, welding slag and other debris to adhere to the inner and outer walls of the sleeve. Before use, it needs to be cleaned to ensure its surface quality. However, the existing ultrasonic cleaning tank usually directly stacks several sleeves for cleaning. The sleeve workpieces contact each other, which easily leads to incomplete cleaning of the contact area. In addition, due to the large depth of the barrel cavity, the ultrasonic unit arranged on the bottom of the cleaning tank cannot effectively act on the inside of the barrel cavity, and cannot forcefully remove the debris attached to the barrel cavity, and the cleaning effect of the inner wall of the barrel cavity cannot be guaranteed. In particular, the liquid in the existing ultrasonic cleaning tank has poor fluidity and cannot effectively discharge the impurities in the barrel cavity through the liquid flow channel, and it is very easy for residual adhesion to remain. In addition, due to the stacking of the sleeve workpieces, it is very easy for the workpieces to collide with each other and be damaged, affecting the quality of the finished sleeve workpiece. Utility Model Content

[0004] The purpose of the utility model is to provide a sleeve ultrasonic cleaning pool for a shock absorber, which can fully clean the inner cavity of the sleeve workpiece and discharge debris to ensure the cleaning quality, and at the same time can clear the debris deposited at the bottom of the cleaning pool to ensure the cleaning effect of the ultrasonic structure, so as to solve the problems that the existing ultrasonic cleaning equipment cannot fully and effectively clean the barrel cavity of the sleeve workpiece, the overall cleaning quality is poor, and the stacking placement method is very likely to cause the workpieces to collide with each other and be damaged.

[0005] The technical solution adopted by the present invention is: a sleeve ultrasonic cleaning tank for shock absorbers, comprising a liquid storage tank body capable of cleaning a workpiece placed in its tank cavity, wherein an inner cavity cleaning assembly is provided in the liquid storage tank body, which carries the sleeve workpiece and can be inserted into the cylindrical cavity of the sleeve workpiece to clean the inner wall of the cylindrical cavity, and a plurality of ultrasonic cleaning units capable of ultrasonically cleaning the sleeve workpiece are also arranged at intervals on the inner bottom surface of the liquid storage tank body; a cleaning mechanism capable of scraping and cleaning the tank bottom is also supported in the liquid storage tank body, and a slag discharge assembly capable of transferring impurities cleaned by the cleaning mechanism is also connected to the side wall of the liquid storage tank body; the cleaning column of the inner cavity cleaning assembly is inserted into the cylindrical cavity of the sleeve workpiece in a manner of constructing a rotating brush body and continuously outputting a flushing liquid flow.

[0006] According to a preferred embodiment, the inner cavity cleaning component includes a cleaning column, a supporting grid, a rotating drive mechanism, a rotating sealing joint and a flushing liquid supply mechanism, wherein the supporting grid is installed in the pool cavity of the liquid storage pool body in a manner of being suspended above the inner bottom surface of the liquid storage pool body, and a plurality of the rotating sealing joints are installed circumferentially at intervals on the supporting grid; the axial upper end of the rotating sealing joint is connected to the cleaning column, and the axial lower end of the rotating sealing joint is connected to the flushing liquid supply mechanism; the cleaning column is transmission-connected to the rotating drive mechanism installed at the center position of the support grid.

[0007] According to a preferred embodiment, a plurality of drainage nozzles and brush bodies arranged in a staggered array are provided on the side wall of the column shell of the cleaning column, and the drainage nozzles and brush bodies are arranged at staggered intervals; the axial upper end of the column shell is detachably provided with a brush cap capable of cleaning the inner top end surface of the sleeve workpiece.

[0008] According to a preferred embodiment, support bars are circumferentially spaced apart on the outer surface of the column shell, and a transmission gear disc coaxial with the column shell is also provided on the shell body below the support bars, and the transmission gear disc is connected to the rotary drive mechanism in a transmission manner.

[0009] According to a preferred embodiment, the rotary drive mechanism includes a rotating shaft rotatably inserted on the supporting grid, a first rotary motor supported above the liquid storage tank body by a deflection frame and a rotary gear sleeved on the rotating shaft, and the output shaft of the first rotary motor is detachably connected to the axial upper end of the rotating shaft; the rotary gear is engaged with a plurality of transmission gear discs on the column shell arranged at an annular interval.

[0010] According to a preferred embodiment, the annular tube of the flushing liquid supply mechanism located below the supporting grid is connected to the input end of the rotating sealing pipe joint, and the annular tube is also connected to the pressurized liquid supply tank through a liquid inlet conduit.

[0011] According to a preferred embodiment, the output end of the rotating sealing joint located above the supporting grid is communicated with the inner cavity of the column shell of the cleaning column in a manner that the axes of the two coincide with each other.

[0012] According to a preferred embodiment, the cleaning mechanism includes a second rotating motor embedded in the inner bottom surface of the liquid storage tank body and an arc-shaped scraper connected to a rotating shaft extending from the second rotating motor to the tank cavity of the liquid storage tank body, wherein the arc-shaped scraper is abutted against the inner bottom surface of the liquid storage tank body.

[0013] According to a preferred embodiment, a plurality of the arc-shaped scrapers are connected to the rotating shaft of the second rotating motor in a circumferentially spaced arrangement.

[0014] According to a preferred embodiment, the slag inlet pipe of the slag discharge assembly is connected to the pool cavity in a manner of passing through the bottom surface of the liquid storage pool body, and the output end of the slag inlet pipe is connected to the slag storage bin below the liquid storage pool body, and an output valve body is installed on the side wall of the slag storage bin.

[0015] The beneficial effects of the utility model are:

[0016] The support grid provided by the present application can support the cleaning columns arranged at intervals in the annular direction, so that the cleaning columns can continuously rotate around their axes and spray liquid under the rotational drive of the rotary drive mechanism and the supply of cleaning liquid by the flushing liquid supply mechanism, thereby achieving efficient cleaning of the inner cavity of the sleeve workpiece and the discharge of debris, thereby improving the overall cleaning effect and quality. The cleaning columns and support grid provided by the present application can separate and place the sleeve workpieces, and while achieving single-cycle multi-workpiece cleaning, they can avoid collisions between workpieces and avoid problems such as damage, thereby improving the cleaning quality and integrity and reducing the cleaning damage rate.

[0017] The support bars provided in this application can support the sleeve workpiece on the column shell, facilitating the effective cleaning of the sleeve workpiece's inner cavity using the discharge nozzle, brush body, and brush cap on the column shell surface. Furthermore, the provision of the support bars enables the sleeve workpiece to rotate at a differential speed driven by the column shell, thereby ensuring a brushing effect while effectively exposing edges obscured by the support bars, ensuring adequate cleaning. The first rotating motor provided in this application is suspended above the liquid storage tank, effectively preventing the risk of damage from cleaning fluid. The rotating gear can simultaneously drive multiple column shells to rotate, allowing them to rotate synchronously and effectively perform the brushing function. The pressurized liquid supply tank provided in this application can output clean cleaning fluid under pressure, allowing the cleaning fluid to be diverted through the annular tube and then pressurized and injected into multiple column shells, thereby achieving simultaneous flushing of multiple sleeve workpieces by multiple column shells, ensuring effective flushing and the feasibility of fluid replacement in the cylinder cavity, effectively clearing debris from the cylinder cavity and preventing debris residue. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a preferred sleeve ultrasonic cleaning pool for shock absorbers proposed in the present invention;

[0019] Figure 2 This is a schematic structural diagram of a preferred cleaning column of a sleeve ultrasonic cleaning tank for a shock absorber proposed in the present invention;

[0020] Figure 3 It is a plan view of a preferred cleaning mechanism of a sleeve ultrasonic cleaning tank for a shock absorber proposed by the utility model.

[0021] Reference Signs List

[0022] 1: Liquid storage tank body; 2: Inner cavity cleaning component; 3: Ultrasonic cleaning unit; 4: Cleaning mechanism; 5: Slag discharge component; 11: Outer tank layer; 12: Inner tank layer; 21: Cleaning column; 22: Support grid; 23: Rotary drive mechanism; 24: Rotary sealing pipe joint; 25: Flushing liquid supply mechanism; 211: Column shell; 212: Liquid discharge nozzle; 213: Brush body; 214: Brush cap; 215: Support bar; 216: Transmission gear disc; 231: Rotating shaft; 232: First rotating motor; 233: Deflection frame; 234: Rotating gear; 251: Ring body tube; 252: Liquid inlet conduit; 253: Pressurized liquid supply bin; 41: Second rotating motor; 42: Arc scraper; 421: Silicone scraper; 51: Slag inlet pipe; 52: Slag storage bin; 53: Output valve body. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly introduced below in combination with the drawings and the descriptions of the embodiments or the prior art. Obviously, the following descriptions of the structures of the drawings are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] The following will describe in detail the technical solutions provided by the present invention by way of examples with reference to the accompanying drawings. It should be noted that the description of these examples is intended to facilitate understanding of the present invention and does not constitute a limitation of the present invention. In some cases, some implementations are not described or are not described in detail because they belong to existing or conventional technologies.

[0025] In addition, the technical features described herein, or the steps of all methods or processes disclosed herein, except for mutually exclusive features and / or steps, can also be combined in any suitable manner in one or more embodiments. For those skilled in the art, it is easy to understand that the order of steps or operations of the methods related to the embodiments provided herein can also be changed. Any order in the drawings and embodiments is for illustrative purposes only and does not imply a requirement to follow a certain order unless it is explicitly stated that a certain order is required.

[0026] The serial numbers assigned to components herein, such as "first" and "second," are used solely to distinguish the objects being described and do not convey any sequential or technical meaning. References to "connection" and "coupling" in this application, where reasonable (and not self-contradictory), include both direct and indirect connections (couplings).

[0027] The following is a detailed description with reference to the accompanying drawings.

[0028] Example 1

[0029] The present application provides a sleeve ultrasonic cleaning tank for a shock absorber, which includes a liquid storage tank body 1, an inner cavity cleaning component 2, an ultrasonic cleaning unit 3, a cleaning mechanism 4 and a slag discharge component 5.

[0030] according to Figure 1-3In a specific embodiment shown, a certain amount of cleaning liquid is pre-stored in the liquid storage tank body 1 so as to be able to immerse the workpiece placed in its tank cavity, thereby ensuring the effect of ultrasonic cleaning. An inner cavity cleaning assembly 2 is provided in the liquid storage tank body 1, which carries the sleeve workpiece and can be inserted into the cylindrical cavity of the sleeve workpiece to clean the inner wall of the cylindrical cavity. A number of ultrasonic cleaning units 3 capable of ultrasonically cleaning the sleeve workpiece are also spaced apart on the inner bottom surface of the liquid storage tank body 1. A cleaning mechanism 4 capable of scraping and cleaning the tank bottom is also supported in the liquid storage tank body 1. A slag discharge assembly 5 capable of transferring impurities cleaned by the cleaning mechanism 4 is also connected to the side wall of the liquid storage tank body 1. The cleaning column 21 of the inner cavity cleaning assembly 2 is inserted into the cylindrical cavity of the sleeve workpiece in a manner of constructing a rotating brush body and continuously outputting a flushing liquid flow. The ultrasonic cleaning unit 3 can simultaneously provide ultrasonic vibrations emitted from the bottom surface of the liquid storage tank body 1 to effectively ultrasonically clean the workpieces in the entire tank cavity, so that the ultrasonic vibrations can be effectively transmitted to the workpieces through the cleaning liquid. The cleaning mechanism 4 can continuously clean the inner bottom surface of the liquid storage tank body 1 to remove debris attached to the surface of the ultrasonic transducer of the ultrasonic cleaning unit 3. The slag discharge assembly 5 can receive the debris scraped by the cleaning mechanism 4 and periodically discharge the deposited debris by discharging the cleaning liquid.

[0031] Preferably, the liquid storage pool body 1 includes an outer pool layer 11 and an inner pool layer 12, wherein the inner pool layer 12 is installed inside the outer pool layer 11, and the opening height of the inner pool layer 12 is lower than the opening height of the outer pool layer 11, so that the upper oily liquid and turbid liquid overflowing from the inner pool layer 12 can be effectively collected by the gap annular cavity between the outer pool layer 11 and the inner pool layer 12.

[0032] Preferably, the inner cavity cleaning component 2 includes a cleaning column 21, a support grid 22, a rotary drive mechanism 23, a rotary sealing joint 24 and a flushing liquid supply mechanism 25. Preferably, the support grid 22 is installed in the pool cavity of the liquid storage pool body 1 in a manner of being suspended above the inner bottom surface of the liquid storage pool body 1. Further preferably, a plurality of rotary sealing joints 24 are installed on the support grid 22 at circumferential intervals. Preferably, the axial upper end of the rotary sealing joint 24 is connected to the cleaning column 21. Preferably, the axial lower end of the rotary sealing joint 24 is connected to the flushing liquid supply mechanism 25. Specifically, the cleaning column 21 is transmission-connected to the rotary drive mechanism 23 installed at the center position of the support grid 22. Preferably, the output end of the rotary sealing joint 24 above the support grid 22 is connected to the inner cavity of the column shell 211 of the cleaning column 21 in a manner that the axes of the two coincide. Preferably, the rotating sealing joint 24 is a conventional rotary joint, whose fixed pipe section is fixedly connected to the support grid 22, and whose rotating pipe section extends above the support grid 22 and communicates with the inner cavity of the column shell 211. The support grid 22 provided in the present application can support the circumferentially spaced cleaning columns 21, so that the cleaning columns 21 are continuously rotated around the axis and flushed by liquid jets under the rotation drive of the rotary drive mechanism 23 and the supply of cleaning liquid by the flushing liquid supply mechanism 25, thereby achieving efficient cleaning of the inner cavity of the sleeve workpiece and the discharge of debris, thereby improving the overall cleaning effect and quality. The cleaning columns 21 and support grid 22 provided in the present application can separate and place the sleeve workpieces, and while achieving single-cycle multi-workpiece cleaning, can avoid collisions between workpieces and avoid problems such as breakage, thereby improving the cleaning quality and integrity and reducing the cleaning damage rate.

[0033] Preferably, the sidewalls of the column housing 211 of the cleaning column 21 are provided with a plurality of drainage nozzles 212 and brushes 213 arranged in a staggered array. Further preferably, the drainage nozzles 212 and brushes 213 are arranged in staggered intervals. Preferably, a brush cap 214 is removably provided at the axial upper end of the column housing 211, capable of cleaning the inner top surface of the sleeve workpiece. Further preferably, a drainage nozzle 212 is also provided at the top of the column housing 211, extending through the brush cap 214. Preferably, the drainage nozzle 212 is a pressurized, one-way nozzle. A one-way drainage valve and a pressure-conducting valve are provided within the nozzle's internal cavity, limiting the directionally pressurized discharge of the cleaning fluid to a certain pressure. This prevents backflow of turbid fluid and insufficient impact force of the fluid output. Furthermore, it ensures that the plurality of nozzles can be opened and closed simultaneously when the housing chamber hydraulic pressure reaches a certain level, achieving uniform and controllable spraying. Preferably, support bars 215 are circumferentially spaced apart on the outer surface of the column housing 211. Further preferably, a silicone sleeve with a certain anti-slip property is provided on the support bar 215 to prevent the support bar 215 from colliding with the sleeve workpiece and causing damage, while allowing the sleeve workpiece to rotate differentially with the rotation of the column housing 211, thereby achieving sufficient brushing of its inner cavity wall and utilizing the relative sliding of the two to expose the edges blocked by the support bar 215, thereby ensuring sufficient contact of the cleaning liquid. Further preferably, a transmission gear disc 216 coaxial with the support bar 215 is also provided on the housing of the column housing 211 below the support bar 215. Preferably, the transmission gear disc 216 is in transmission connection with the rotary drive mechanism 23. Preferably, the upper surfaces of the transmission gear disc 216 and the rotating gear 234 are both provided with diverter cones to prevent the deposition of sinking impurities on their surfaces. In this application, the drainage nozzle 212 and the brush body 213 are staggered, so that the drainage nozzle 212 can perform high-pressure flushing on the surface brushed by the brush body 213 to ensure a cleaning effect. In addition, the plurality of liquid discharge nozzles 212 and brush bodies 213 are arranged in a staggered array, so that they can traverse the entire inner cavity wall of the sleeve workpiece during the rotation of the column shell 211, ensuring complete coverage of the brushing and flushing. The support bars 215 provided in this application can support the sleeve workpiece on the column shell 211, so as to facilitate the use of the liquid discharge nozzles 212, brush bodies 213 and brush caps 214 on the surface of the column shell 211 to effectively clean the inner cavity of the sleeve workpiece. Moreover, the provision of the support bars 215 can cause the sleeve workpiece to rotate at a differential speed under the drive of the column shell 211, thereby ensuring the brushing effect while effectively exposing the edges blocked by the support bars 215, ensuring sufficient cleaning.

[0034] Preferably, the rotary drive mechanism 23 includes a rotating shaft 231 rotatably inserted into the support grid 22, a first rotary motor 232 supported above the liquid reservoir body 1 via a deflection frame 233 for elevation, and a rotary gear 234 mounted on the rotating shaft 231. Furthermore, preferably, the output shaft of the first rotary motor 232 is removably connected to the axial upper end of the rotating shaft 231. Specifically, the rotary gear 234 is in driving engagement with a plurality of annularly spaced drive gears 216 on the cylindrical housing 211. Preferably, the deflection frame 233 is capable of driving the first rotary motor 232 upward and downward, so that the output shaft of the first rotary motor 232 is mounted on the rotating shaft 231 via a polygonal sleeve coaxially connected thereto. Furthermore, preferably, the deflection frame 233 is capable of driving the first rotary motor 232 to deflect away from the upper portion of the liquid reservoir body 1, thereby facilitating the insertion and removal of sleeve workpieces. The first rotary motor 232 is suspended above the liquid storage tank 1, effectively avoiding the risk of damage by the cleaning liquid. The rotary gear 234 can simultaneously drive the multiple column shells 211 to rotate, so that the multiple column shells 211 can rotate synchronously and effectively realize the sweeping function.

[0035] Preferably, the annular tube 251 of the flushing liquid supply mechanism 25 located below the support grid 22 is connected to the input end of the rotating sealing joint 24. Further preferably, the annular tube 251 is also connected to the pressurized liquid supply tank 253 through the liquid inlet conduit 252. Preferably, a pressurized liquid pump capable of pressurizing and outputting the cleaning liquid is provided in the tank body of the pressurized liquid supply tank 253, and a one-way valve is provided at the output end of the pressurized liquid pump. The pressurized liquid supply tank 253 provided in the present application can output clean cleaning liquid in a pressurized manner, so that the cleaning liquid can be pressurized and injected into multiple column shells 211 after being diverted through the annular tube 251, thereby realizing the synchronous flushing of multiple sleeve workpieces by multiple column shells 211, ensuring the flushing effect and the feasibility of liquid replacement in the barrel cavity, so as to effectively clean out the debris in the barrel cavity and avoid the occurrence of residual debris.

[0036] Preferably, the cleaning mechanism 4 includes a second rotary motor 41 embedded in the inner bottom surface of the liquid storage tank body 1 and an arc-shaped scraper 42 connected to the rotating shaft of the second rotary motor 41 extending into the tank cavity of the liquid storage tank body 1. Preferably, the arc-shaped scraper 42 is in contact with the inner bottom surface of the liquid storage tank body 1, so that it can scrape off the deposited debris on the inner bottom surface of the liquid storage tank body 1 during rotation. Preferably, a sealing ring is provided on the rotating shaft of the second rotary motor 41 to prevent the cleaning liquid from seeping into its body. Preferably, a plurality of arc-shaped scrapers 42 are connected to the rotating shaft of the second rotary motor 41 in a circumferentially spaced arrangement. Further preferably, the lower edge of the arc-shaped scraper 42 is provided with a silicone scraper strip 421 elastically resting against the inner bottom surface of the liquid storage tank body 1. The arc-shaped scraper 42 provided in the present application can scrape the deposited debris on the inner bottom surface of the liquid storage tank body 1, and during the rotation process, the debris can be guided by the arc-shaped arc-shaped scraper 42 and gradually gathered to the outer edge of the inner bottom surface of the liquid storage tank body 1, and gradually fall into the tube body of the slag inlet pipe 51 during further scraping and moving, thereby realizing the external discharge of debris and effective cleaning of the inner bottom surface, thereby ensuring the effectiveness of the ultrasonic vibration emitted by the ultrasonic cleaning unit 3 when working in transmitting to the cleaning liquid.

[0037] Preferably, the slag inlet pipe 51 of the slag discharge assembly 5 is connected to the tank cavity by penetrating the bottom surface of the liquid storage tank body 1. Further preferably, the output end of the slag inlet pipe 51 is connected to a slag storage bin 52 located below the liquid storage tank body 1. Preferably, an output valve body 53 is installed on the side wall of the slag storage bin 52. The slag storage bin 52 provided in this application can continuously collect deposited debris and regularly discharge it through the output valve body 53, thereby ensuring the purity of the cleaning liquid in the liquid storage tank body 1 and improving the effectiveness and capacity of continuous cleaning.

[0038] The present utility model is not limited to the above-mentioned optional implementation methods. Anyone can derive other forms of products under the inspiration of the present utility model. However, no matter what changes are made in its shape or structure, any technical solution that falls within the scope defined by the claims of the present utility model falls within the protection scope of the present utility model. Those skilled in the art should understand that the present utility model specification and its drawings are illustrative and do not constitute a limitation on the claims. The scope of protection of the present utility model is defined by the claims and their equivalents. Throughout the text, the features guided by "preferably" are only an optional method and should not be understood as having to be set. Therefore, the applicant reserves the right to abandon or delete the relevant preferred features at any time.

Claims

1. A sleeve ultrasonic cleaning tank for a shock absorber, comprising a liquid storage tank body (1) capable of cleaning a workpiece placed in its tank cavity, characterized in that: An inner cavity cleaning assembly (2) is provided in the liquid storage tank body (1) and is capable of carrying a sleeve workpiece and being inserted into the barrel cavity of the sleeve workpiece to clean the inner wall of the barrel cavity. In addition, a plurality of ultrasonic cleaning units (3) capable of ultrasonically cleaning the sleeve workpiece are also arranged at intervals on the inner bottom surface of the liquid storage tank body (1); A cleaning mechanism (4) capable of scraping and cleaning the bottom of the liquid storage tank (1) is also supported in the liquid storage tank body (1), and a slag discharge component (5) capable of transferring impurities cleaned by the cleaning mechanism (4) is also connected to the side wall of the liquid storage tank body (1); The cleaning column (21) of the inner cavity cleaning component (2) is inserted into the barrel cavity of the sleeve workpiece in a manner of constructing a rotating brush body and continuously outputting a flushing liquid flow.

2. The ultrasonic cleaning tank for shock absorbers according to claim 1, characterized in that: The inner cavity cleaning assembly (2) comprises a cleaning column (21), a supporting grid (22), a rotary drive mechanism (23), a rotating sealing joint (24) and a flushing liquid supply mechanism (25), wherein: The support grid (22) is installed in the pool cavity of the liquid storage pool body (1) in a manner of being suspended above the inner bottom surface of the liquid storage pool body (1), and a plurality of rotating sealing joints (24) are installed on the support grid (22) at intervals in an annular direction; The axial upper end of the rotating sealing pipe joint (24) is connected to the cleaning column (21), and the axial lower end of the rotating sealing pipe joint (24) is communicated with the flushing liquid supply mechanism (25); The cleaning column (21) is in transmission connection with the rotary drive mechanism (23) installed at the center position of the support grid (22).

3. The ultrasonic cleaning tank for shock absorbers according to claim 2, characterized in that: A plurality of liquid discharge nozzles (212) and brush bodies (213) arranged in a staggered array are provided on the side wall of the column shell (211) of the cleaning column (21), and the liquid discharge nozzles (212) and brush bodies (213) are arranged in a staggered manner; The axial upper end of the column housing (211) is detachably provided with a brush cap (214) capable of cleaning the inner top end surface of the sleeve workpiece.

4. The ultrasonic cleaning tank for shock absorbers according to claim 3, characterized in that: Support bars (215) are arranged circumferentially and spaced apart on the outer surface of the column housing (211), and a transmission gear disc (216) coaxial with the support bars (215) is also provided on the housing of the column housing (211) below the support bars (215). The transmission gear disc (216) is in transmission connection with the rotary drive mechanism (23).

5. The ultrasonic cleaning tank for shock absorbers according to claim 4, characterized in that: The rotary drive mechanism (23) comprises a rotating shaft (231) rotatably inserted into the supporting grid (22), a first rotary motor (232) supported above the liquid storage tank body (1) via a deflection frame (233) and a rotary gear (234) sleeved on the rotating shaft (231). The output shaft of the first rotating motor (232) is detachably connected to the axial upper end of the rotating shaft (231) by plug-in sleeve; The rotating gear (234) is in driving engagement with a plurality of transmission toothed discs (216) on the column housing (211) that are arranged in an annular manner.

6. The ultrasonic cleaning tank for shock absorbers according to claim 5, characterized in that: The annular tube (251) of the flushing liquid supply mechanism (25) located below the supporting grid (22) is connected to the input end of the rotating sealing pipe connector (24), and the annular tube (251) is also connected to the pressurized liquid supply tank (253) through a liquid inlet conduit (252).

7. The ultrasonic cleaning tank for shock absorbers according to claim 6, characterized in that: The output end of the rotating sealing pipe joint (24) located above the supporting grid (22) is communicated with the inner cavity of the column shell (211) of the cleaning column (21) in a manner in which the axes of the two coincide.

8. The ultrasonic cleaning tank for shock absorbers according to claim 7, characterized in that: The cleaning mechanism (4) comprises a second rotary motor (41) embedded in the inner bottom surface of the liquid storage tank body (1) and an arc-shaped scraper (42) connected to a rotary shaft extending from the second rotary motor (41) to the tank cavity of the liquid storage tank body (1), wherein: The arc-shaped scraper (42) is attached to the inner bottom surface of the liquid storage tank body (1).

9. The ultrasonic cleaning tank for shock absorbers according to claim 8, characterized in that: The plurality of arc-shaped scrapers (42) are connected to the rotating shaft of the second rotating motor (41) in a circumferentially spaced arrangement.

10. The ultrasonic cleaning tank for shock absorbers according to claim 9, characterized in that: The slag inlet pipe (51) of the slag discharge assembly (5) is connected to the tank cavity in a manner of penetrating the bottom surface of the liquid storage tank body (1), and the output end of the slag inlet pipe (51) is connected to a slag storage bin (52) located below the liquid storage tank body (1). An output valve body (53) is installed on the side wall of the slag storage bin (52).

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