Cleaning device
By designing a cleaning device that utilizes a combination of compressed gas and organic solvents, the cleaning needle extends into the blind hole, solving the problem of foreign matter residue in the blind holes of precision workpieces that is difficult to clean in existing technologies, and achieving a highly efficient cleaning effect.
Patent Information
- Application Number
- CN202422954248.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Existing technologies are insufficient to effectively clean foreign matter residues such as oil and aluminum shavings from blind holes, especially in the threaded blind holes of precision workpieces such as medical ultrasonic scalpels, which are small in diameter and large in depth, making existing cleaning methods ineffective.
A cleaning device was designed. By setting a limiting groove on the support component, a cleaning needle and an air inlet are used. The cleaning needle is inserted into the blind hole using a combination of compressed gas and organic solvent. The compressed gas accelerates the exchange of organic solvent and impacts the hole wall to remove foreign matter residue.
It effectively removes oil stains, aluminum shavings and other foreign matter residues from blind holes, meeting the high cleanliness requirements of medical products.
Smart Images
Figure CN223684086U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of cleaning, in particular to a cleaning device. BACKGROUND
[0002] At present, cleaning the blind hole of a precision workpiece is one of the difficulties in the cleaning industry, and it is usually difficult to remove the foreign matter residues such as oil stains, aluminum chips and residues in the blind hole. The diameter of the threaded blind hole of a precision workpiece such as a medical ultrasonic wave cutter rod is 2.2 mm, and the depth is 12.4 mm, which is much higher than the depth of an ordinary blind hole, and the cleanliness requirement of a medical product is higher. At present, ultrasonic cleaning or carbon-hydrogen vacuum cleaning is usually used. However, the ultrasonic cleaning has no cavitation effect on the blind hole with a diameter less than 3 mm and a depth greater than 6 mm, the organic solvent cannot enter the blind hole, and the aluminum chips, oil stains and residues cannot be removed, so the cleaning effect is poor. The carbon-hydrogen vacuum cleaning utilizes the similar solubility principle of organic solvents and vacuum cleaning, and has a good effect on removing oil stains in the blind hole, but the aluminum chips and residues cannot be removed. CONTENT OF THE UTILITY MODEL
[0003] In view of the above, it is necessary to provide a cleaning device to clean the foreign matter residues in the blind hole of a workpiece.
[0004] An embodiment of the present application provides a cleaning device for cleaning a workpiece, one end of the workpiece being provided with a blind hole, the cleaning device comprising: a bearing assembly, a limiting groove being formed in the bearing assembly, the limiting groove being used for bearing and limiting the workpiece; a connecting seat being arranged on one side of the bearing assembly; a cleaning assembly comprising an air inlet member and a cleaning needle, an air passage being formed in the cleaning needle, one end of the cleaning needle being arranged in the connecting seat, the other end of the cleaning needle being arranged in the limiting groove and being used for extending into the blind hole, one end of the air inlet member being arranged on the connecting seat and being in communication with the cleaning needle, the other end of the air inlet member being used for being in communication with an external air inlet device, so that compressed gas is supplied by the external air inlet device to clean the blind hole.
[0005] The cleaning device described above is used for cleaning, the workpiece is first placed in the limiting groove of the bearing assembly, and the other end of the cleaning needle extends into the blind hole of the workpiece, then the cleaning device is placed in a cleaning pool containing an organic solvent, and then the air inlet member supplies compressed gas, the compressed gas enters the air passage of the cleaning needle and reaches the blind hole of the workpiece, so that the compressed gas cleans the blind hole of the workpiece. During the cleaning process, the compressed gas can accelerate the exchange of the organic solvent in the blind hole, and can impact the hole wall of the blind hole, so as to remove the foreign matter residues in the blind hole.
[0006] In some embodiments, the bearing assembly is provided with a plurality of the limiting grooves arranged side by side on the bearing assembly, the connecting seat is provided with a main gas passage and a plurality of branch gas passages in communication with the main gas passage, the main gas passage is in communication with the air inlet member, the plurality of branch gas passages are arranged one by one in correspondence with the plurality of limiting grooves, the cleaning needles are correspondingly arranged in a plurality of forms, one end of each of the cleaning needles is mounted in the corresponding branch gas passage and in communication with the main gas passage, and the other end of each of the cleaning needles extends into the corresponding limiting groove.
[0007] In some embodiments, the connecting seat is further provided with a plurality of abutting holes arranged in correspondence with the plurality of branch gas passages, one end of each of the abutting holes is in communication with the corresponding branch gas passage, the other end of each of the abutting holes is in communication with the outside, and the abutting holes are used to mount abutting members to abut the cleaning needles mounted in the branch gas passages.
[0008] In some embodiments, the bearing assembly comprises a bearing member, a plurality of limiting members arranged side by side on the bearing member in a first direction, and a plurality of supporting members for supporting the workpieces, the limiting grooves are arranged on the limiting members and extend in a second direction perpendicular to the first direction, and the plurality of supporting members are arranged on the groove bottoms of the plurality of limiting grooves, respectively.
[0009] In some embodiments, each of the limiting members is provided with a groove extending in the first direction and in communication with the limiting groove, and the bearing assembly further comprises a cover setting part, the cover setting part is arranged on the side of the limiting member away from the bearing member, and part of the cover setting part protrudes into each of the grooves to position the workpieces in the limiting grooves.
[0010] In some embodiments, the bearing assembly further comprises a towing member connected with the bearing assembly and the connecting seat, respectively, the side of the towing member is provided with at least two spaced-apart locked parts, the cleaning device further comprises a protection frame having a frame chamber, the frame chamber is provided with at least two locking parts, there is a gap between the at least two locking parts in the second direction and the third direction, the third direction is arranged perpendicular to the first direction and the second direction, respectively, and the towing member is arranged in the frame chamber and the at least two locked parts are detachably connected with the at least two locking parts, respectively.
[0011] In some embodiments, the protection frame is provided with a frame opening in communication with the frame chamber, and the cleaning device further comprises a protection cover and a plurality of pressing members, the protection cover is arranged on the frame opening of the protection frame, and the plurality of pressing members are arranged on opposite sides of the frame opening of the protection frame to press the protection cover arranged on the frame opening when rotating.
[0012] In some embodiments, the pressing member comprises a fixed body and a rotating rod, the fixed body is fixed to the frame opening of the protection frame, and the rotating rod is rotatably arranged on the fixed body and used to press the protection cover arranged on the frame opening when rotating.
[0013] In some embodiments, the pressing member comprises a connecting body, a pressing rod and an elastic member, the connecting body is fixed to the frame opening of the protection frame, the pressing rod is rotatably connected to the connecting body, the pressing rod has opposite abutting ends and a pressing end, the abutting ends and the pressing end are arranged at two ends of the connecting body, the elastic member is sleeved on the pressing rod, and two ends of the elastic member abut against the abutting ends and the connecting body respectively, and the pressing end is used to elastically press the protection cover arranged on the frame opening when rotating.
[0014] In some embodiments, the air inlet member comprises a plurality of air inlet pipes and a plurality of pipe joints, the plurality of air inlet pipes are respectively communicated with the main air path, one of the air inlet pipes is communicated with one of the pipe joints far away from the bearing assembly, and two of the air inlet pipes are communicated with one of the pipe joints close to the bearing assembly, wherein the two of the air inlet pipes communicated with the pipe joint are communicated with the main air path or another pipe joint far away from the bearing assembly far away from the pipe joint. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a schematic diagram of a perspective structure of a cleaning device provided by an embodiment of the present application.
[0016] Figure 2 is a schematic diagram of a perspective structure of a cleaning device provided by an embodiment of the present application. Figure 1 is a schematic diagram of an exploded structure of the cleaning device shown in FIG. 1.
[0017] Figure 3 is a schematic diagram of a perspective structure of a cleaning device provided by an embodiment of the present application. Figure 2 is a schematic diagram of a perspective structure of a cleaning device provided by an embodiment of the present application.
[0018] Figure 4 is a schematic diagram of a perspective structure of a cleaning device provided by an embodiment of the present application. Figure 3 is a local enlarged view of the cleaning device shown in FIG. 1 at A.
[0019] Figure 5 is a schematic diagram of a perspective structure of a cleaning device provided by an embodiment of the present application. Figure 3 is a schematic diagram of a perspective structure of a cleaning needle and a part of a workpiece provided by an embodiment of the present application.
[0020] MAIN ELEMENT SYMBOL EXPLANATION
[0021] The cleaning device 100, the bearing assembly 10, the limiting groove 11, the bearing 12, the limiting piece 13, the recess 131, the accommodating groove 132, the support 14, the cover setting part 15, the cover plate 151, the convex part 152, the dragging bearing 16, the locked part 161, the connecting seat 20, the main gas path 21, the branch gas path 22, the abutting hole 23, the abutting piece 24, the cleaning assembly 30, the air inlet piece 31, the air inlet pipe 311, the pipe joint 312, the cleaning needle 32, the air hole 321, the protection frame 40, the frame chamber 41, the frame mouth 42, the locking part 43, the protection cover 50, the pressing piece 60, the fixed body 61, the rotating rod 62, the connecting body 63, the pressing rod 64, the abutting end 641, the pressing end 642, the elastic piece 65, the workpiece 200, the blind hole 210. DETAILED DESCRIPTION
[0022] The embodiments of the present application will be described in detail below with reference to the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are merely intended to explain the present application, and should not be understood as limiting the present application.
[0023] In the description of the present application, it should be understood that the terms indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the purpose of describing the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be understood as limiting the present application. In addition, in the description of the present application, it should be noted that the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.
[0024] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the term "connection" should be understood broadly, for example, it can be fixedly connected, or detachably connected, or integrally connected; it can be mechanically connected, or electrically connected, or can communicate with each other, it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above-mentioned term in the present application can be understood according to the specific circumstances.
[0025] The embodiments of the present application will be described in detail below with reference to the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are merely intended to explain the present application, and should not be understood as limiting the present application.
[0026] Please refer to Figure 1 and Figure 2 The cleaning device 100 according to the embodiments of the present application is used for cleaning the workpiece 200, and comprises a bearing assembly 10, a connecting seat 20 and a cleaning assembly 30.
[0027] Please refer to Figure 3 ,Figure 4 and Figure 5 The carrying assembly 10 is provided with a limiting groove 11 for carrying and limiting the workpiece 200. The workpiece 200 is provided with a blind hole 210. In the embodiment, the diameter of the blind hole 210 is less than 3 mm and the depth is greater than 6 mm. The connecting seat 20 is arranged on one side of the carrying assembly 10. The cleaning assembly 30 comprises an air inlet member 31 and a cleaning needle 32. The cleaning needle 32 is provided with an air passage 321. One end of the cleaning needle 32 is arranged in the connecting seat 20, and the other end of the cleaning needle 32 is arranged in the limiting groove 11 for extending into the blind hole 210. One end of the air inlet member 31 is arranged on the connecting seat 20 and communicates with the cleaning needle 32. The other end of the air inlet member 31 communicates with an external air inlet device for supplying compressed gas to the air passage 321 of the cleaning needle 32 and the blind hole 210 of the workpiece 200 to clean the blind hole 210.
[0028] The cleaning device 100 is placed in a cleaning tank containing an organic solvent, such as a degreasing agent, before cleaning. Then, the compressed gas is supplied to the air passage 321 of the cleaning needle 32 and the blind hole 210 of the workpiece 200 through the air inlet member 31 to clean the blind hole 210. During cleaning, the compressed gas can accelerate the exchange of the organic solvent in the blind hole 210 and impact the hole wall of the blind hole 210 to remove foreign matter residues, such as oil stains, aluminum scraps, and residues.
[0029] Please continue to see Figures 2 to 4 In some embodiments, a plurality of limiting grooves 11 are arranged side by side on the carrying assembly 10. The connecting seat 20 is provided with a main air path 21 and a plurality of branch air paths 22 that respectively communicate with the main air path 21. The main air path 21 communicates with the air inlet member 31. The plurality of branch air paths 22 are arranged one by one corresponding to the plurality of limiting grooves 11. A plurality of cleaning needles 32 are arranged correspondingly. One end of each cleaning needle 32 is installed in the corresponding branch air path 22 and communicates with the main air path 21. The other end of each cleaning needle 32 extends into the corresponding limiting groove 11 to extend into the blind hole 210 of the plurality of workpieces 200. In the embodiment, the plurality of branch air paths 22 are arranged perpendicularly to the main air path 21. In this way, the compressed gas can be supplied to the plurality of cleaning needles 32 through the air inlet member 31 at the same time, so that the plurality of cleaning needles 32 can clean the blind holes 210 of the plurality of workpieces 200.
[0030] In some embodiments, a plurality of abutting holes 23 corresponding to the plurality of branch air paths 22 are formed in the connecting seat 20, one end of each abutting hole 23 is communicated with the corresponding branch air path 22, and the other end of each abutting hole 23 is communicated with the outside. The abutting hole 23 is used to install an abutting member 24 to abut the cleaning needle 32 installed in the branch air path 22. In this embodiment, the connecting seat 20 is three air inlet blocks arranged side by side, the abutting hole 23 is a threaded hole, and the abutting member 24 is a bolt. In this way, by arranging the abutting hole 23 and installing the abutting member 24, the cleaning needle 32 installed in the branch air path 22 can be fixed, preventing the cleaning needle 32 from being blown out of the branch air path 22 by compressed gas when the air inlet member 31 is ventilated.
[0031] In some embodiments, the carrying assembly 10 includes a carrying member 12, a plurality of limiting members 13 arranged side by side on the carrying member 12 in a first direction, and a plurality of support members 14 for supporting the workpiece 200. The carrying member 12 is in a strip shape, the limiting member 13 is in a block shape, the limiting groove 11 is formed on the limiting member 13 and extends in a second direction perpendicular to the first direction, and the plurality of support members 14 are arranged on the groove bottoms of the plurality of limiting grooves 11, respectively. In this embodiment, the carrying member 12 is a plurality of and arranged at intervals in the second direction. Correspondingly, the carrying member 12 is provided with a plurality of limiting members 13 and a plurality of support members 14, wherein the first direction is the Y-axis direction and the second direction is the X-axis direction. In this way, by arranging the support member 14 on the groove bottom of the limiting groove 11, the workpiece 200 can be not only supported but also suspended, facilitating the discharge of oil stains and foreign matters in the blind hole 210 and preventing the attachment to the groove bottom of the limiting groove 11.
[0032] In some embodiments, each limiting piece 13 is provided with a groove 131 extending along the first direction and communicating with the limiting groove 11, and the grooves 131 of the plurality of limiting pieces 13 form a containing groove 132 extending along the first direction. The cover part 15 is arranged on the side of the limiting piece 13 away from the bearing piece 12, and part of the cover part 15 protrudes into each groove 131 to position the workpiece 200 in the limiting groove 11. Specifically, the grooves 131 of the plurality of limiting pieces 13 form a containing groove 132 extending along the first direction, and part of the cover part 15 protrudes into the containing groove 132. The part of the cover part 15 protruding into the containing groove 132 has a gap with the support piece 14 in a third direction perpendicular to the first direction and the second direction, where the third direction is the Z-axis direction. Specifically, the cover part 15 includes a cover plate 151 and a protruding part 152 arranged on one side of the cover plate 151. When the cover plate 151 is arranged on the side of the limiting piece 13 away from the bearing piece 12, the protruding part 152 protrudes into the containing groove 132 and has a gap with the support piece 14 in the third direction. In this way, by arranging the cover part 15 and making the part of the cover part 15 protruding into the containing groove 132 have a gap with the support piece 14 in the third direction, the movement range of the workpiece 200 in the third direction on the support piece 14 can be limited, and the workpiece 200 is prevented from moving a large range in the third direction during cleaning.
[0033] In some embodiments, the bearing assembly 10 further comprises a dragging piece 16 connected with the bearing assembly 10 and the connecting seat 20. The side of the dragging piece 16 is provided with at least two spaced apart locked parts 161. The cleaning device 100 further comprises a protection frame 40 having a frame chamber 41. At least two locking parts 43 are arranged in the frame chamber 41. The at least two locking parts 43 have gaps in the second direction and the third direction. The dragging piece 16 is arranged in the frame chamber 41, and the at least two locked parts 161 are detachably connected with the at least two locking parts 43. It can be understood that when the dragging piece 16 is arranged in the frame chamber 41, the bearing assembly 10, the connecting seat 20 and the cleaning assembly 30 are also located in the frame chamber 41. In this embodiment, the dragging piece 16 is two supporting plates, the locked parts 161 are columnar structures, the protection frame 40 is a frame structure, and the locking parts 43 are U-shaped structures. The locked parts 161 are inserted into the locking parts 43. In this way, by making the at least two locking parts 43 have gaps in the first direction and the third direction, and connecting the at least two locked parts 161 with the at least two locking parts 43, the end of the workpiece 200 provided with the blind hole 210 can be located below the workpiece 200 away from the blind hole 210, which facilitates the removal of oil stains and foreign matters from the blind hole 210 under the action of gravity.
[0034] In some embodiments, the protection frame 40 has a frame opening 42 communicating with the frame chamber 41, the cleaning device 100 further comprises a protection cover 50 and a plurality of pressing members 60, the protection cover 50 is arranged on the frame opening 42 of the protection frame 40, and the plurality of pressing members 60 are arranged on opposite sides of the frame opening 42 of the protection frame 40 and used to press the protection cover 50 arranged on the frame opening 42 when rotating. In this way, by arranging the pressing members 60 on opposite sides of the frame opening 42 of the protection frame 40, the plurality of pressing members 60 can press the protection cover 50 on the protection frame 40 after the locking part 161 is connected with the locking part 43.
[0035] In some embodiments, the pressing member 60 comprises a fixed body 61 and a rotating rod 62, the fixed body 61 is fixed to the frame opening 42 of the protection frame 40, and the rotating rod 62 is rotatably arranged on the fixed body 61 and used to press the protection cover 50 arranged on the frame opening 42 when rotating. In this embodiment, the fixed body 61 is two fixed blocks, the rotating rod 62 is L-shaped structure, and the rotating rod 62 and the fixed body 61 are connected through threads. In this way, by rotating the rotating rod 62, one end of the rotating rod 62 can be rotated above the protection cover 50 and press the protection cover 50.
[0036] In some embodiments, the pressing member 60 comprises a connecting body 63, a pressing rod 64 and an elastic member 65, the connecting body 63 is fixed to the frame opening 42 of the protection frame 40, the pressing rod 64 is rotatably connected to the connecting body 63, the pressing rod 64 has opposite abutting ends 641 and pressing ends 642, the abutting ends 641 and the pressing ends 642 are arranged at two ends of the connecting body 63, the elastic member 65 is sleeved on the pressing rod 64, and two ends of the elastic member 65 abut against the abutting ends 641 and the connecting body 63 respectively, and the pressing ends 642 are used to elastically press the protection cover 50 arranged on the frame opening 42 when rotating. In this embodiment, the connecting body 63 is a fixed column, the pressing rod 64 is T-shaped structure, and the elastic member 65 is a spring. In this way, by arranging the pressing rod 64, one end of the pressing rod 64 can be rotated above the protection cover 50 and press the protection cover 50; by arranging the elastic member 65, one end of the pressing rod 64 can elastically press the protection cover 50.
[0037] In some embodiments, the air inlet member 31 comprises a plurality of air inlet tubes 311 and a plurality of tube joints 312, the plurality of air inlet tubes 311 are respectively communicated with the main air path 21, each tube joint 312 is communicated with one air inlet tube 311 at an end away from the bearing assembly 10, and each tube joint 312 is communicated with two air inlet tubes 311 at an end close to the bearing assembly 10, wherein the two air inlet tubes 311 communicated with one tube joint 312 are communicated with the main air path 21 or another tube joint 312 at an end away from the bearing assembly 10. In this embodiment, the air inlet tubes 311 are four, the tube joints 312 are two, the tube joints 312 are flat three-way tubes, one end of the three air inlet tubes 311 is respectively communicated with the three air inlet blocks, two of the three air inlet tubes 311 are communicated with one tube joint 312, and the other of the three air inlet tubes 311 and the other of the four air inlet tubes 311 are communicated with one tube joint 312. In this way, by arranging the plurality of air inlet tubes 311 and the plurality of tube joints 312, the gas can flow uniformly into the air inlet block, and the cleaning effect is better.
[0038] The implementation process of the cleaning device 100 of the embodiment of the present application is as follows:
[0039] The plurality of workpieces 200 are respectively placed in the limiting grooves 11 of the bearing assembly 10, and the support members 14 of the groove bottoms of the limiting grooves 11 support the workpieces 200, at this time, the other end of the cleaning needle 32 extends into the blind hole 210 of the workpiece 200;
[0040] The bearing assembly 10, the connecting seat 20 and the cleaning assembly 30 are placed in the frame chamber 41, and the locked part 161 is connected with the locking part 43, wherein the end of the workpiece 200 provided with the blind hole 210 is located below the workpiece 200 away from the blind hole 210;
[0041] The protective cover 50 is covered on the frame opening 42 of the protection frame 40, and the rotating rod 62 and the pressing rod 64 are rotated, so that one end of the rotating rod 62 is rotated to above the protective cover 50 and tightly presses the protective cover 50, and one end of the pressing rod 64 is rotated to above the protective cover 50 and elastically tightly presses the protective cover 50;
[0042] The cleaning device 100 is placed in a cleaning pool filled with an organic solvent, wherein the organic solvent can be a degreasing agent;
[0043] The air inlet member 31 compresses the gas, the compressed gas enters the air hole 321 of the cleaning needle 32 and reaches the blind hole 210 of the workpiece 200, so that the compressed gas cleans the blind hole 210 of the workpiece 200, and during the cleaning, the compressed gas can accelerate the exchange of the organic solvent in the blind hole 210, and can impact the hole wall of the blind hole 210, so as to remove the foreign matter residues in the blind hole 210.
[0044] It is apparent that the present application is not limited to the details of the foregoing exemplary embodiments, and thus modifications and equivalent arrangements can be made to the application without departing from the spirit or scope of the application. Therefore, the scope of the application should be defined by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalents are intended to be embraced therein.
[0045] Finally, it should be noted that the above embodiments are merely used to illustrate the technical solutions of the present application, rather than limit the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the spirit and scope of the present application.
Claims
1. A cleaning device for cleaning a workpiece having a blind hole formed in one end thereof, characterized by, The cleaning device comprises: a bearing assembly, a limiting groove is formed on the bearing assembly, and the limiting groove is used for bearing and limiting the workpiece; a connecting seat is arranged on one side of the bearing assembly; a cleaning assembly comprises an air inlet member and a cleaning needle, an air hole is formed in the cleaning needle, one end of the cleaning needle is arranged in the connecting seat, the other end of the cleaning needle is arranged in the limiting groove and used for extending into the blind hole, one end of the air inlet member is arranged on the connecting seat and communicates with the cleaning needle, the other end of the air inlet member is used for communicating with an external air inlet device, compressed gas is supplied through the external air inlet device to clean the blind hole.
2. The cleaning device of claim 1, wherein, A plurality of limiting grooves are formed side by side on the bearing assembly, a main gas path and a plurality of branch gas paths communicating with the main gas path are arranged in the connecting seat, the main gas path communicates with the air inlet member, a plurality of branch gas paths are arranged one by one corresponding to a plurality of limiting grooves, a plurality of cleaning needles are arranged correspondingly, one end of each cleaning needle is mounted in the corresponding branch gas path and communicates with the main gas path, and the other end of each cleaning needle extends into the corresponding limiting groove.
3. The cleaning device of claim 2, wherein, A plurality of abutting holes corresponding to a plurality of branch gas paths are formed in the connecting seat, one end of each abutting hole communicates with the corresponding branch gas path, the other end of each abutting hole communicates with the outside, and an abutting member is mounted in the abutting hole to abut the cleaning needle mounted in the branch gas path.
4. The cleaning device of claim 1, wherein, The bearing assembly comprises a bearing member, a plurality of limiting members arranged side by side on the bearing member in a first direction, and a plurality of supporting members for supporting the workpiece, the limiting groove is formed on the limiting member and extends in a second direction perpendicular to the first direction, and a plurality of supporting members are arranged at the bottom of a plurality of limiting grooves.
5. The cleaning device of claim 4, wherein, A groove extending in the first direction and communicating with the limiting groove is formed on each limiting member, and the bearing assembly further comprises a cover part, the cover part is arranged on the side of the limiting member away from the bearing member, and part of the cover part protrudes into each groove to position the workpiece in the limiting groove.
6. The cleaning device of claim 5, wherein, The bearing assembly further comprises a towing member connected with the bearing assembly and the connecting seat, respectively, at least two spaced apart locked parts are arranged on the side of the towing member, the cleaning device further comprises a protection frame, the protection frame has a frame chamber, at least two locking parts are arranged in the frame chamber, and there is a gap between at least two locking parts in the second direction and the third direction, the third direction is perpendicular to the first direction and the second direction, respectively, the towing member is arranged in the frame chamber, and at least two locked parts are detachably connected with at least two locking parts, respectively.
7. The cleaning device of claim 6, wherein, The protection frame has a frame opening communicating with the frame chamber, the cleaning device further comprises a protection cover and a plurality of pressing members, the protection cover covers the frame opening of the protection frame, and the plurality of pressing members are arranged on opposite sides of the frame opening of the protection frame and used for pressing the protection cover covering the frame opening when rotating.
8. The cleaning device of claim 7, wherein, The pressing member comprises a fixed body and a rotating rod, the fixed body is fixed to the frame opening of the protection frame, and the rotating rod is rotatably arranged on the fixed body and used for pressing the protection cover arranged on the frame opening when rotating.
9. The cleaning device of claim 7, wherein, The pressing member comprises a connecting body, a pressing rod and an elastic member, the connecting body is fixed to the frame opening of the protection frame, the pressing rod is rotatably connected to the connecting body, the pressing rod has opposite abutting ends and a pressing end, the abutting ends and the pressing end are arranged at two ends of the connecting body, the elastic member is sleeved on the pressing rod, and two ends of the elastic member abut against the abutting ends and the connecting body respectively, and the pressing end is used for elastically pressing the protection cover arranged on the frame opening when rotating.
10. The cleaning device of claim 2, wherein, The air inlet member comprises a plurality of air inlet pipes and a plurality of pipe joints, the plurality of air inlet pipes are respectively communicated with the main air path, one of the air inlet pipes is communicated with one of the pipe joints far away from the bearing assembly, and two of the air inlet pipes are communicated with one of the pipe joints close to the bearing assembly, wherein the two air inlet pipes communicated with the pipe joint are communicated with the main air path or another pipe joint far away from the bearing assembly.