阅读说明：本技术 一种工业制造用球形零件表面喷涂前处理装置 (Spherical part surface spraying pretreatment device for industrial manufacturing ) 是由 马刚 于 2021-08-13 设计创作，主要内容包括：本发明涉及零件加工技术领域,具体为一种工业制造用球形零件表面喷涂前处理装置,包括箱体,箱体的顶面贯穿开设有安装圆孔,箱体的顶面且位于安装圆孔的上方设有打磨池,打磨池与箱体之间转动配合,且箱体的顶面还设置有用于驱动打磨池旋转的第一驱动机构,打磨池呈上大下小的圆台状,打磨池的内壁倾斜设置,且打磨池的内壁贴合设有第一打磨带,打磨池的底面贯穿设有开口,开口内活动设置有漏料板,打磨池的下方设置有用于控制漏料板升降的举升机构。本发明通过打磨池和打磨筒对球形零件进行打磨除锈,然后再通过喷淋管对球形零件进行冲洗,相比较现有技术,本发明可以对球形零件进行更为彻底的清理,有助于提升喷涂后的产品质量。(The invention relates to the technical field of part processing, in particular to a spherical part surface spraying pretreatment device for industrial manufacturing, which comprises a box body, wherein a mounting circular hole is formed in the top surface of the box body in a penetrating manner, a polishing pool is arranged on the top surface of the box body and positioned above the mounting circular hole, the polishing pool is in rotating fit with the box body, a first driving mechanism used for driving the polishing pool to rotate is further arranged on the top surface of the box body, the polishing pool is in a circular table shape with a large upper part and a small lower part, the inner wall of the polishing pool is obliquely arranged, a first polishing belt is attached to the inner wall of the polishing pool, an opening is formed in the bottom surface of the polishing pool in a penetrating manner, a material leakage plate is movably arranged in the opening, and a lifting mechanism used for controlling the material leakage plate to lift is arranged below the polishing pool. Compared with the prior art, the spherical part cleaning device can clean the spherical part more thoroughly, and is beneficial to improving the quality of the sprayed product.)

1. The utility model provides a spherical part surface spraying pretreatment device for industrial manufacturing, includes box (1), its characterized in that: the grinding device is characterized in that a mounting round hole (2) is formed in the top surface of the box body (1) in a penetrating mode, a grinding pool (3) is arranged on the top surface of the box body (1) and located above the mounting round hole (2), the grinding pool (3) is in a rotary fit with the box body (1), a first driving mechanism used for driving the grinding pool (3) to rotate is further arranged on the top surface of the box body (1), the grinding pool (3) is in a round table shape with a large upper portion and a small lower portion, the inner wall of the grinding pool (3) is obliquely arranged, a first grinding belt (4) is attached to the inner wall of the grinding pool (3), an opening is formed in the bottom surface of the grinding pool (3) in a penetrating mode, a material leaking plate (5) is movably arranged in the opening, and a lifting mechanism used for controlling the material leaking plate (5) to lift is arranged below the grinding pool (3);

the collecting cylinder (8) which is of an annular structure and is distributed along the vertical direction in an axis is arranged in the box body (1), the collecting cylinder (8) is connected with the box body (1) through an elastic part, a second polishing belt (10) is arranged on the inner wall of the collecting cylinder (8) in a circumferential fit mode, a cylindrical polishing cylinder (11) and a second driving mechanism used for driving the polishing cylinder (11) to rotate are rotatably connected to the inner portion of the collecting cylinder (8), the polishing cylinder (11) and the collecting cylinder (8) are arranged on the same central axis, and the distance between the outer peripheral wall of the polishing cylinder (11) and the inner peripheral wall of the collecting cylinder (8) is matched with the specification of the spherical part;

a conveying mechanism distributed along the length direction of the box body (1) is arranged in the box body (1) and below the collecting cylinder (8), a discharge hole (12) penetrates through one side of the width of the box body (1), and one end of the conveying mechanism penetrates through the discharge hole (12) and extends to the outside of the box body (1); the bottom of box (1) is inboard and be located transport mechanism's below and be equipped with immersible pump (16), and bottom one side of box (1) is equipped with business turn over water pipe (17) that are used for supplying water and drainage to box (1) inside, and the inside of box (1) just is located transport mechanism's top and is equipped with shower (18), just the bottom side of shower (18) evenly is provided with nozzle (19), the play water end of immersible pump (16) is linked together through hose and shower (18).

2. The surface spraying pretreatment device for the spherical parts for industrial manufacturing according to claim 1, characterized in that: first actuating mechanism is including mounting bracket (20) and the driving motor (21) of fixed connection at mounting bracket (20) top surface that are Jiong font, mounting bracket (20) are fixed on the top surface of box (1), and the inboard of mounting bracket (20) is equipped with driving gear (22), the output shaft of driving motor (21) passes through shaft coupling and driving gear (22) coaxial coupling, the fixed cover in the bottom outside of pond (3) of polishing is equipped with ring gear (23), ring gear (23) and driving gear (22) meshing setting.

3. The surface spraying pretreatment device for the spherical parts for industrial manufacturing according to claim 1, characterized in that: lifting mechanism is including being located inside base (6) of box (1) and fixing electric cylinder (7) on base (6) top surface, through metal pole welded fastening between base (6) and the pond (3) of polishing, the piston rod and the hourglass flitch (5) of electric cylinder (7) are connected.

4. The surface spraying pretreatment device for the spherical parts for industrial manufacturing according to claim 3, characterized in that: the inside of box (1) and the top that is located collecting vessel (8) are equipped with locating support (27), it is connected with the main shaft that distributes along vertical direction to rotate on locating support (27), the main shaft top with the bottom surface of base (6) is fixed through the spiro union.

5. The surface spraying pretreatment device for the spherical parts for industrial manufacturing according to claim 1, characterized in that: the top surface of box (1) and the outside that is located installation round hole (2) are equipped with embedded groove (24) that are the annular form, evenly be provided with ball (25) in embedded groove (24), the bottom surface laminating in pond (3) of polishing is equipped with stable rubber ring (26) that are the annular form, stable rubber ring (26) with ball (25) roll laminating.

6. The surface spraying pretreatment device for the spherical parts for industrial manufacturing according to claim 1, characterized in that: the outer wall left and right sides of collection tube (8) all is equipped with locating piece (28), the inner wall left and right sides of box (1) all is equipped with down locating piece (29), the elastic component is including being located damping spring (30) between locating piece (28) and lower locating piece (29), damping spring (30)'s both ends are connected with last locating piece (28) and lower locating piece (29) respectively.

7. The surface spraying pretreatment device for the spherical parts for industrial manufacturing according to claim 1, characterized in that: the second driving mechanism comprises an installation piece (9) located on the inner side of the bottom of the collecting cylinder (8) and a servo motor (31) fixedly connected to the bottom surface of the installation piece (9), the installation piece (9) is fixed to the inner wall of the collecting cylinder (8) through a metal rod in a welded mode, and an output shaft of the servo motor (31) is fixedly connected with the grinding cylinder (11) through a coupler.

8. The surface spraying pretreatment device for the spherical parts for industrial manufacturing according to claim 1, characterized in that: the collecting cylinder (8) is of a two-section structure consisting of a collecting part and a polishing part, the collecting part is of a funnel shape with a large upper part and a small lower part, the polishing part is of a straight cylinder shape with the same width from top to bottom, and the bottom end of the collecting part is connected with the top end of the polishing part.

9. The surface spraying pretreatment device for the spherical parts for industrial manufacturing according to claim 1, characterized in that: positioning plates (13) are vertically arranged on the outer side wall of the box body (1) and positioned on the front side and the rear side of the discharge hole (12); conveying mechanism includes that two pivots and cover establish conveyer belt (14) in two pivot outsides, one of them the both ends of pivot rotate with the inside both sides wall of box (1) respectively and are connected, another the both ends of pivot rotate with two locating plates (13) respectively and connect, evenly run through on conveyer belt (14) and seted up through-hole (15), the surface of conveyer belt (14) evenly is provided with scrapes material portion (34), it is arc sheet structure to scrape material portion (34), scrapes the length direction of material portion (34) and the width direction of conveyer belt (14) and keeps unanimous, just the side of conveyer belt (14) and the interval of box (1) inner wall are not more than spherical part's radius.

10. The surface spraying pretreatment device for the spherical parts for industrial manufacturing according to claim 1, characterized in that: the inside of box (1) just is located transport mechanism's below and is equipped with filter screen (32), the top surface laminating of filter screen (32) is equipped with filter cloth (33).

Technical Field

The invention relates to the technical field of part processing, in particular to a spherical part surface spraying pretreatment device for industrial manufacturing.

Background

At present, the spraying of parts produced in industry mainly comprises the modes of electrostatic spraying, air spraying, high-pressure airless spraying, air auxiliary spraying and the like, wherein the electrostatic spraying refers to a coating method which utilizes the corona discharge principle to charge atomized coating under the action of a high-voltage direct-current electric field and is adsorbed on the surface of a positively charged substrate for discharging; the electrostatic spraying equipment comprises a spray gun, a spray cup, an electrostatic spraying high-voltage power supply and the like, and is very widely used due to low production cost.

Nowadays, enterprises also need to spray the outer wall of the part when producing spherical parts, however, the parts need to be cleaned before spraying because the outer surface of the parts may have some dirt and rust. In the prior art, the invention patent with the publication number of CN113172525A provides a rust removing device for spherical workpieces, which specifically comprises a fixed disc, a rotating disc, a grinding rod, a fixed cylinder and other structures.

The invention is used for carrying out rust removal on the spherical part, but a great deal of rust dust is still adhered to the surface of the spherical part after rust removal, and in addition, some dirt on the surface of the spherical part can be hardly removed through friction and collision, namely the invention cannot completely clean the spherical part and cannot meet the requirements of the spraying step on the spherical part. Therefore, a pretreatment device for surface spraying of spherical parts for industrial manufacturing is provided to well solve the above disadvantages.

Disclosure of Invention

The invention aims to provide a pretreatment device for surface spraying of a spherical part for industrial manufacturing, which is used for solving the problem of incomplete cleaning of the spherical part in the prior art.

The above object of the present invention is achieved by the following technical solutions:

a spherical part surface spraying pretreatment device for industrial manufacturing comprises a box body, wherein a mounting round hole is formed in the top surface of the box body in a penetrating mode, a polishing pool is arranged on the top surface of the box body and located above the mounting round hole, the polishing pool and the box body are in rotating fit, a first driving mechanism used for driving the polishing pool to rotate is further arranged on the top surface of the box body, the polishing pool is in a round table shape with a large upper portion and a small lower portion, the inner wall of the polishing pool is obliquely arranged, a first polishing belt is attached to the inner wall of the polishing pool, an opening is formed in the bottom surface of the polishing pool in a penetrating mode, a material leaking plate is movably arranged in the opening, and a lifting mechanism used for controlling the material leaking plate to lift is arranged below the polishing pool;

the inner part of the box body is provided with a collecting cylinder which is of an annular structure, the axis of the collecting cylinder is distributed along the vertical direction, the collecting cylinder is connected with the box body through an elastic part, the inner wall of the collecting cylinder is provided with a second polishing belt in a manner of being attached along the circumferential direction, the inner part of the collecting cylinder is rotatably connected with a cylindrical polishing cylinder and a second driving mechanism for driving the polishing cylinder to rotate, the polishing cylinder and the collecting cylinder are arranged on the same central shaft, and the distance between the outer circumferential wall of the polishing cylinder and the inner circumferential wall of the collecting cylinder is matched with the specification of the spherical part;

a conveying mechanism distributed along the length direction of the box body is arranged in the box body and below the collecting cylinder, a discharge hole is formed in one side of the width of the box body in a penetrating mode, and one end of the conveying mechanism penetrates through the discharge hole and extends to the outside of the box body; the bottom of box inboard just is located transport mechanism's below and is equipped with the immersible pump, and bottom one side of box is equipped with the business turn over water pipe that is used for supplying water and drainage to the box inside, and the inside of box and the top that is located transport mechanism are equipped with the shower, just the bottom side of shower evenly is provided with the nozzle, the play water end of immersible pump is linked together through hose and shower.

Preferably, first actuating mechanism is including the mounting bracket and the driving motor of fixed connection at the mounting bracket top surface that are the Jiong font, the mounting bracket is fixed on the top surface of box, and the inboard of mounting bracket is equipped with the driving gear, driving motor's output shaft passes through shaft coupling and driving gear coaxial coupling, the fixed cover in the bottom outside in the pond of polishing is equipped with the ring gear, the ring gear sets up with the driving gear meshing.

Preferably, the lifting mechanism comprises a base located inside the box body and an electric cylinder fixed on the top surface of the base, the base and the polishing pool are fixed through welding of a metal rod, and a piston rod of the electric cylinder is connected with the material leaking plate.

Preferably, the lifting mechanism comprises a base located inside the box body and an electric cylinder fixed on the top surface of the base, the base and the polishing pool are fixed through welding of a metal rod, and a piston rod of the electric cylinder is connected with the material leaking plate.

Preferably, the inside of box and the top that is located the collecting vessel are equipped with the locating support, the last rotation of locating support is connected with the main shaft that distributes along vertical direction, the main shaft top with the bottom surface of base passes through the spiro union to be fixed.

Preferably, the top surface of box and the outside that is located the installation round hole are equipped with the interior caulking groove that is the annular form, evenly be provided with the ball in the interior caulking groove, the bottom surface laminating in the pond of polishing is equipped with the stable rubber ring that is the annular form, stabilize the rubber ring with the ball rolls the laminating.

Preferably, the outer wall left and right sides of the collecting cylinder all is equipped with the locating piece, the inner wall left and right sides of box all is equipped with down the locating piece, the elastic component is including being located the damping spring between locating piece and the lower locating piece, damping spring's both ends respectively with last locating piece and lower locating piece connection.

Preferably, the second driving mechanism comprises an installation piece located on the inner side of the bottom of the collecting cylinder and a servo motor fixedly connected to the bottom surface of the installation piece, the installation piece is welded and fixed to the inner wall of the collecting cylinder through a metal rod, and an output shaft of the servo motor is fixedly connected with the polishing cylinder through a coupler.

Preferably, the collecting cylinder is a two-section structure consisting of a collecting part and a polishing part, the collecting part is in a funnel shape with a large upper part and a small lower part, the polishing part is in a straight cylinder shape with the same width from top to bottom, and the bottom end of the collecting part is connected with the top end of the polishing part.

Preferably, the outer side wall of the box body and the front side and the rear side of the discharge port are both vertically provided with positioning plates; transport mechanism includes that two pivots and cover establish the conveyer belt in two pivot outsides, one of them the both ends of pivot rotate with the inside both sides wall of box respectively and are connected, another one the both ends of pivot rotate with two locating plates respectively and connect, evenly run through on the conveyer belt and seted up the through-hole, the surface of conveyer belt evenly is provided with scrapes material portion, it is the arc sheet structure to scrape material portion, and the length direction who scrapes material portion keeps unanimous with the width direction of conveyer belt, just the side of conveyer belt is not more than with the interval of box inner wall spherical part's radius.

Preferably, the inside of box just is located transport mechanism's below and is equipped with the filter screen, the top surface laminating of filter screen is equipped with the filter cloth.

Compared with the prior art, the invention provides a pretreatment device for spraying the surface of a spherical part for industrial manufacturing, which has the following beneficial effects:

1. compared with the prior art, the spherical part cleaning device can clean the spherical part more thoroughly, and is beneficial to improving the quality of the sprayed product;

2. the invention combines the polishing and rust removing steps of the polishing pool and the polishing cylinder and the flushing step of the spray pipe into a complete device, so that the spherical parts do not need to be transferred in use, and the cleaning efficiency of the spherical parts is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the polishing tank structure of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is a schematic view of the structure of the collecting cylinder of the present invention.

In the figure: 1. a box body; 2. mounting a round hole; 3. a polishing pool; 4. a first sanding belt; 5. a material leaking plate; 6. a base; 7. an electric cylinder; 8. a collection canister; 9. mounting a sheet; 10. a second sanding belt; 11. polishing the barrel; 12. a discharge port; 13. positioning a plate; 14. a conveyor belt; 15. a through hole; 16. a submersible pump; 17. a water inlet pipe and a water outlet pipe; 18. a shower pipe; 19. a nozzle; 20. a mounting frame; 21. a drive motor; 22. a driving gear; 23. a ring gear; 24. an embedded groove is formed; 25. a ball bearing; 26. stabilizing the rubber ring; 27. positioning the bracket; 28. an upper positioning block; 29. a lower positioning block; 30. a damping spring; 31. a servo motor; 32. a filter screen; 33. filtering cloth; 34. a scraping part.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1 and 2, a pretreatment device for surface spraying of spherical parts for industrial manufacturing comprises a box body 1, wherein the box body 1 is of a cuboid structure, a mounting circular hole 2 is formed in the top surface of the box body 1 in a penetrating manner, a polishing pool 3 is arranged on the top surface of the box body 1 and above the mounting circular hole 2, the polishing pool 3 is in rotating fit with the box body 1, and a first driving mechanism for driving the polishing pool 3 to rotate is further arranged on the top surface of the box body 1; first actuating mechanism is including being the mounting bracket 20 and the driving motor 21 of fixed connection at the 20 top surfaces of mounting bracket of Jiong font, mounting bracket 20 is fixed on the top surface of box 1, and the inboard of mounting bracket 20 is equipped with driving gear 22, driving motor 21's output shaft passes through shaft coupling and driving gear 22 coaxial coupling, the fixed cover in bottom outside of pond 3 of polishing is equipped with ring gear 23, ring gear 23 sets up with the meshing of driving gear 22, consequently, it is rotatory to polish pond 3 through driving motor 21 can be controlled, thereby make the inside spherical part in pond 3 that is located to polish collide with each other, the friction. The polishing pool 3 is in a round table shape with a large top and a small bottom, the top of the polishing pool 3 is detachably connected with a cover body, the inner wall of the polishing pool 3 is obliquely arranged, the inner wall of the polishing pool 3 is attached with a first polishing belt 4, the first polishing belt 4 is made of abrasive paper, when a spherical part collides with the first polishing belt 4, the inner wall can play a role in rust removal, the bottom surface of the polishing pool 3 is provided with an opening in a penetrating way, a material leaking plate 5 is movably arranged in the opening, a lifting mechanism for controlling the lifting of the material leaking plate 5 is arranged below the polishing pool 3, the lifting mechanism comprises a base 6 positioned in the box body 1 and an electric cylinder 7 fixed on the top surface of the base 6, the base 6 and the polishing pool 3 are fixedly welded through metal rods, a piston rod of the electric cylinder 7 is connected with the material leaking plate 5, the top surface of the material leaking plate 5 is in an upwards-protruding arc shape, when the electric cylinder 7 controls the material leaking plate 5 to ascend, the spherical parts inside the grinding basin 3 fall out of the opening.

Please refer to fig. 1 and 3, an annular embedded groove 24 is formed in the top surface of the box body 1 and outside the mounting circular hole 2, balls 25 are uniformly arranged in the embedded groove 24, the balls 25 are rotatably connected in the embedded groove 24, a stable rubber ring 26 in an annular shape is attached to the bottom surface of the polishing pool 3, the stable rubber ring 26 is made of rubber, the stable rubber ring 26 is attached to the balls 25 in a rolling manner, the effect of improving the stability of the polishing pool 3 during rotation is achieved, and the left-right shaking of the polishing pool 3 is avoided. The inside of box 1 and the top that is located collecting vessel 8 are equipped with locating support 27, and the last swivelling joint of locating support 27 has the main shaft that distributes along vertical direction, and the bottom surface of main shaft top and base 6 passes through the spiro union to be fixed.

Referring to fig. 1 and 4, a collecting cylinder 8 having an annular structure and an axis distributed along a vertical direction is disposed inside the box body 1, the collecting cylinder 8 has a two-stage structure composed of a collecting part and a polishing part, the collecting part is funnel-shaped with a large upper part and a small lower part, the polishing part is a straight cylinder with an equal width in the upper and lower parts, and the bottom end of the collecting part is connected with the top end of the polishing part; the collecting cylinder 8 is connected with the box body 1 through an elastic part, a second polishing belt 10 is arranged on the inner wall of the collecting cylinder 8 in a circumferential fit mode, the second polishing belt 10 is made of abrasive paper, a cylindrical polishing cylinder 11 and a second driving mechanism used for driving the polishing cylinder 11 to rotate are rotatably connected to the inner portion of the collecting cylinder 8, the polishing cylinder 11 and the collecting cylinder 8 are arranged on the same central axis, and the distance between the outer peripheral wall of the polishing cylinder 11 and the inner peripheral wall of the collecting cylinder 8 is matched with the specification of the spherical part; second actuating mechanism is including being located the inboard installation piece 9 in the 8 bottom of surge drum and the servo motor 31 of fixed connection in the bottom surface of installation piece 9, installation piece 9 passes through metal pole welded fastening on the inner wall of surge drum 8, servo motor 31's output shaft passes through the shaft coupling and polishes a section of thick bamboo 11 rigid coupling, it adopts the metal material to polish a section of thick bamboo 11, it has the swell to polish even shaping on the outer wall of a section of thick bamboo 11, a frictional force for between 11 and the spherical part of polishing is strengthened, in addition, can directly control through servo motor 31 and polish a section of thick bamboo 11 rotatory. The outer wall left and right sides of collecting vessel 8 all is equipped with locating piece 28, go up locating piece 28 and collecting vessel 8 welded fastening, the inner wall left and right sides of box 1 all is equipped with down locating piece 29, lower locating piece 29 and box 1 welded fastening, the elastic component is including being located the damping spring 30 between locating piece 28 and the lower locating piece 29, damping spring 30's both ends respectively with last locating piece 28 and lower locating piece 29 connection, collecting vessel 8 elastic connection promptly is in box 1.

Referring to fig. 1, a conveying mechanism distributed along the length direction of the box body 1 is arranged inside the box body 1 and below the collecting cylinder 8, a discharge port 12 is formed in one side of the width of the box body 1 in a penetrating manner, one end of the conveying mechanism penetrates through the discharge port 12 and extends to the outside of the box body 1, positioning plates 13 are vertically arranged on the outer side wall of the box body 1 and on the front side and the rear side of the discharge port 12, and the positioning plates 13 are fixed to the outer wall of the box body 1 in a threaded manner; transport mechanism includes that two pivots and cover establish the conveyer belt 14 in two pivot outsides, the both ends of one of them pivot rotate with the inside both sides wall of box 1 respectively and are connected, the both ends of another pivot rotate with two locating plates 13 respectively and are connected, evenly run through on the conveyer belt 14 and seted up through-hole 15, the surface of conveyer belt 14 evenly is provided with scrapes material portion 34, it is the arc sheet structure to scrape material portion 34, the length direction who scrapes material portion 34 keeps unanimous with the width direction of conveyer belt 14, and the side of conveyer belt 14 and the interval of box 1 inner wall are no longer than spherical part's radius. A submersible pump 16 is arranged on the inner side of the bottom of the box body 1 and below the conveying mechanism, a water inlet and outlet pipe 17 for supplying water and draining water to the interior of the box body 1 is arranged on one side of the bottom of the box body 1, a spray pipe 18 is arranged in the interior of the box body 1 and above the conveying mechanism, nozzles 19 are uniformly arranged on the bottom side of the spray pipe 18, and the water outlet end of the submersible pump 16 is communicated with the spray pipe 18 through a hose, namely the submersible pump 16 can pump the water at the bottom of the box body 1 to the spray pipe 18 and wash the spherical part through the nozzles 19, so that dirt and dust on the surface of the spherical part are removed; a filter screen 32 is arranged in the box body 1 and below the conveying mechanism, filter cloth 33 is attached to the top surface of the filter screen 32, and the filter screen 32 and the filter cloth 33 are used for filtering water after washing, so that dirty water is prevented from being recycled.

The working principle is as follows: in the using process, firstly, spherical parts are poured into the polishing pool 3, then the cover body is covered, the driving motor 21 is started to drive the polishing pool 3 to rotate, the spherical parts rub and collide with each other in the rotating process of the polishing pool 3, and meanwhile, the spherical parts also rub and collide with the first polishing belt 4, so that rust and dirt on the surfaces of the spherical parts are effectively removed; after the grinding pool 3 rotates for a period of time, the electric cylinder 7 is used for controlling the material leaking plate 5 to ascend, so that spherical parts in the grinding pool 3 can fall into the collecting cylinder 8 from the opening, and the distance between the inner wall of the collecting cylinder 8 and the outer wall of the grinding cylinder 11 is matched with the specification of the spherical parts, so that the spherical parts can just fall into a gap between the collecting cylinder 8 and the grinding cylinder 11, the servo motor 31 is started at the moment, the servo motor 31 drives the grinding cylinder 11 to rotate, the spherical parts can fall down and rub the second grinding belt 10 at the same time, and therefore dirt and rust on the surfaces of the spherical parts are further removed; finally, the spherical parts falling from the collecting cylinder 8 just fall on the conveying mechanism, at this time, the spray pipe 18 washes the spherical parts by using the spray nozzles 19, the washed spherical parts are sent out from the discharge port 12, and the whole cleaning process is finished.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.