Ceramic valve element surface polishing device and polishing method thereof

Abstract

The invention discloses a ceramic valve element surface polishing device and a polishing method thereof, and relates to the technical field of ceramic valve element machining.The ceramic valve element surface polishing device comprises a base, a rack is fixedly installed on the upper portion of the outer surface of the base, a polishing groove is formed in the upper surface of the base, and a polishing assembly is arranged below the rack; a recycling assembly and a bottom cover are fixedly installed on the upper surface and the lower surface of the base through screws, the recycling assembly is located on the left side of the bottom cover, and an auxiliary mechanism is fixedly installed on the upper surface of the bottom cover. According to the method, the ceramic valve element before polishing is cleaned, oil stains and impurities on the surface of the ceramic valve element are removed, a standard wool wheel is purchased and modified into the shape similar to that of a guide groove of the ceramic valve element, the standard wool wheel is installed on a grinding machine, the guide groove of the ceramic valve element is polished, and W2.5 grinding paste needs to be smeared on a machining part; rough parts and machining marks on the surface are removed, the adhesion rate and cleanliness of media on the surface of the ceramic valve element are greatly reduced, and therefore the service life is prolonged, and the filling precision is improved.

Description

Technical Field

[0001] The invention relates to the technical field of ceramic valve core processing, and in particular to a ceramic valve core surface polishing device and a polishing method thereof. Background Art

[0002] Ceramic cores are usually used to form cavities for castings with complex shapes or that are difficult to form. Ceramic cores are installed at the front end of current aircraft engines. During the production and processing of ceramic valve cores, a polishing device is required to polish the ceramic valve cores. Therefore, a ceramic valve core surface polishing device and a polishing method thereof came into being.

[0003] The existing technology has the following problems:

[0004] The surface roughness of the guide groove of the pump core will cause the medium to adhere and the surface of the parts to be corroded by oil, which will affect the life of the parts and the filling accuracy. During the processing of the ceramic core, the valve core often needs to be fixed manually. The valve core will produce debris during the polishing process, and the debris will be mixed in the polishing solution. The traditional polishing device does not separate the solution. Summary of the invention

[0005] The present invention provides a ceramic valve core surface polishing device and a polishing method thereof to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0007] In the first aspect, the present invention provides a ceramic valve core surface polishing device, including a base, a frame fixedly mounted on the upper part of the outer surface of the base, a polishing groove is provided on the upper surface of the base, a polishing assembly is arranged under the frame, a recovery assembly and a bottom cover are fixedly mounted on the upper and lower surfaces of the base by screws, and the recovery assembly is located on the left side of the bottom cover, and an auxiliary mechanism is fixedly mounted on the upper surface of the bottom cover.

[0008] The polishing assembly includes a bracket 2, a motor 1 is fixedly installed inside the bracket 2, a top plate is fixedly installed at the output end of the motor 1, a jack is penetrated through the left side of the upper surface of the top plate, a connecting rod is inserted into the jack, an arc plate is fixedly installed at the lower end of the connecting rod, a polishing sheet is fixedly installed on the inner surface of the arc plate, the auxiliary mechanism includes a motor 2 and a vertical rod, the motor 2 is fixedly installed on the upper surface of the bottom cover, a bottom plate is fixedly installed at the output end of the motor 2, a plurality of stirring rods are fixedly installed on the outer surface of the bottom plate, a clamping assembly is fixedly installed at the upper and lower positions of the outer surface of the vertical rod, the clamping assembly includes a fixing sleeve and three positioning plates, the fixing sleeve is fixedly installed on the outer surface of the vertical rod, and three electric push rods 2 are fixedly installed on the outer surface of the fixing sleeve.

[0009] The recovery component includes a bracket 1, which is fixed to the left side of the lower surface of the base by screws. A cylindrical outflow groove is opened through the left side of the lower surface of the base at the position of the bracket 1, and a filter is arranged inside the outflow groove.

[0010] Preferably, an electric push rod 1 is fixedly mounted on the lower surface of the top of the frame, and the output end of the electric push rod 1 is fixedly mounted on the upper surface of the bracket 2.

[0011] Preferably, the left side of the top plate is threadedly connected with a stud passing through the connecting rod.

[0012] Preferably, the stirring rod is in an isosceles trapezoidal structure, and a plurality of cylindrical through holes are formed through the upper surface of the bottom plate.

[0013] Preferably, an internally threaded tube is fixedly mounted on the output end of the second electric push rod, a screw is threadedly connected to the inner surface of the internally threaded tube, and a positioning plate is fixedly mounted on one end of the screw away from the internally threaded tube.

[0014] Preferably, a connecting sleeve is threadedly connected to the lower portion of the inner surface of the outflow groove, the inner surface of the connecting sleeve is fixedly mounted to the filter screen, and the cross-section of the filter screen is a V-shaped structure.

[0015] Preferably, a collection box is overlapped on the upper surface of the bottom of the bracket, and the collection box is located directly below the outflow trough.

[0016] In a second aspect, the present invention further provides a polishing method for a ceramic valve core surface polishing device, the polishing method comprising the following steps:

[0017] S1: pre-treat the ceramic valve core;

[0018] S2: Put the ceramic valve core on the outside of the vertical rod and immerse it in the polishing solution;

[0019] S3: Start the second electric push rod to fix the valve core, and start the second motor to drive the stirring rod to stir the polishing solution;

[0020] S4: Start the electric push rod to move the arc plate and the polishing sheet downward, and start the motor to rotate the arc plate and the polishing sheet to polish the ceramic valve core;

[0021] S5: Post-processing.

[0022] Preferably, S1 includes: cleaning the ceramic valve core, purchasing a standard wool wheel, modifying it into a shape similar to the material guide groove of the ceramic valve core, installing it on a grinding machine, polishing the material guide groove, and applying W2.5 grinding paste to the processed part.

[0023] Preferably, S5 includes: cleaning the polished ceramic valve core, and inspecting the quality of the cleaned product to inspect the degree of qualification of the product and screen out inferior products.

[0024] Due to the adoption of the above technical solution, the present invention has the following technical advances compared with the prior art:

[0025] 1. The present invention provides a ceramic valve core surface polishing device and a polishing method thereof, wherein a motor drives a top plate connecting rod arc plate polishing sheet to rotate to polish the surface of the ceramic valve core, and the connecting rod and the top plate are fixed by studs, which is convenient for replacing polishing sheets of different curvatures or replacing polishing sheets, thereby being able to polish ceramic valve cores of different outer diameters.

[0026] 2. The present invention provides a ceramic valve core surface polishing device and a polishing method thereof, which cleans the ceramic valve core before polishing to remove oil and impurities on the surface, purchases a standard wool wheel, modifies it into a shape similar to a material guide groove of the ceramic valve core, installs it on a grinding wheel machine, and polishes the material guide groove of the ceramic valve core. The processed part needs to be coated with W2.5 abrasive paste to remove the rough parts and processing marks on the surface, thereby greatly reducing the adhesion rate of the medium on the surface of the ceramic valve core and the cleanliness, thereby improving the service life and filling accuracy.

[0027] 3. The present invention provides a ceramic valve core surface polishing device and a polishing method thereof. The positioning plate is driven to approach the ceramic valve core and press against it by the extension and retraction of the second electric push rod, so that the ceramic valve core can be quickly fixed to ensure the stability of the valve core processing. There is no need to manually fix the ceramic valve core. The second motor drives the bottom plate stirring rod to rotate to stir the polishing solution, so that the polishing solution remains uniform and the polishing effect is improved. The threaded action between the screw and the internal threaded tube facilitates the disassembly and assembly of the positioning plate.

[0028] 4. The present invention provides a ceramic valve core surface polishing device and a polishing method thereof. The polishing solution is filtered through a filter screen. The debris generated during the polishing process remains in the filter screen, and the filtrate flows into a collection box for collection, which is convenient for recovering the polishing solution. The threaded action of the connecting sleeve and the outflow groove makes the disassembly and assembly of the connecting sleeve more convenient, thereby facilitating the cleaning of the filter residue in the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the present invention;

[0030] Figure 2 It is a bottom view structural schematic diagram of the present invention;

[0031] Figure 3 It is a cross-sectional structural schematic diagram of the present invention;

[0032] Figure 4It is a schematic diagram of the structure of the recycling component of the present invention;

[0033] Figure 5 It is a schematic diagram of the enlarged structure of point A of the present invention;

[0034] Figure 6 It is a schematic diagram of the structure of the polishing assembly of the present invention;

[0035] Figure 7 It is a schematic diagram of the top plate structure of the present invention;

[0036] Figure 8 It is a schematic diagram of the auxiliary mechanism structure of the present invention;

[0037] Fig. 9 It is a schematic diagram of the structure of the clamping assembly of the present invention;

[0038] Fig.10 It is a schematic diagram of the bottom plate structure of the present invention.

[0039] In the figure: 1. base; 2. frame; 3. polishing assembly; 31. electric push rod 1; 32. bracket 2; 33. top plate; 34. connecting rod; 35. arc plate; 36. motor 1; 37. polishing sheet; 38. stud; 39. socket; 4. auxiliary mechanism; 41. motor 2; 42. bottom plate; 43. vertical rod; 44. clamping assembly; 441. fixing sleeve; 442. electric push rod 2; 443. internal threaded pipe; 444. screw; 445. positioning plate; 45. stirring rod; 46. through hole; 5. recovery assembly; 51. bracket 1; 52. collection box; 53. connecting sleeve; 54. filter; 6. polishing tank; 7. bottom cover; 8. outflow tank. DETAILED DESCRIPTION

[0040] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0041] First, as Figure 1-Figure 10As shown, the present invention provides a ceramic valve core surface polishing device, including a base 1, a frame 2 is fixedly installed on the upper part of the outer surface of the base 1, a polishing groove 6 is provided on the upper surface of the base 1, a polishing assembly 3 is arranged below the frame 2, a recovery assembly 5 and a bottom cover 7 are fixedly installed on the upper and lower surfaces of the base 1 by screws, and the recovery assembly 5 is located on the left side of the bottom cover 7, an auxiliary mechanism 4 is fixedly installed on the upper surface of the bottom cover 7, the polishing assembly 3 includes a bracket 2 32, a motor 1 36 is fixedly installed inside the bracket 2 32, a top plate 33 is fixedly installed on the output end of the motor 1 36, a socket 39 is penetrated through the left side of the upper surface of the top plate 33, a connecting rod 34 is inserted inside the socket 39, an arc plate 35 is fixedly installed on the lower end of the connecting rod 34, and a polishing sheet is fixedly installed on the inner surface of the arc plate 35 37, the auxiliary mechanism 4 includes a motor 2 41 and a vertical rod 43, the motor 2 41 is fixedly mounted on the upper surface of the bottom cover 7, a bottom plate 42 is fixedly mounted on the output end of the motor 2 41, a plurality of stirring rods 45 are fixedly mounted on the outer surface of the bottom plate 42, a clamping assembly 44 is fixedly mounted at the upper and lower positions of the outer surface of the vertical rod 43, the clamping assembly 44 includes a fixing sleeve 441 and three positioning plates 445, the fixing sleeve 441 is fixedly mounted on the outer surface of the vertical rod 43, three electric push rods 2 442 are fixedly mounted on the outer surface of the fixing sleeve 441, the recovery assembly 5 includes a bracket 1 51, the bracket 1 51 is fixedly mounted to the left side of the lower surface of the base 1 by screws, a cylindrical outflow groove 8 is penetrated and opened at the position of the bracket 1 51 on the left side of the lower surface of the base 1, and a filter screen 54 is arranged inside the outflow groove 8.

[0042] The ceramic valve core is sleeved on the outside of the vertical rod 43 and immersed in the polishing solution. The electric push rod 442 is started to drive the positioning plate 445 to approach the ceramic valve core and press it against it, so as to quickly fix the ceramic valve core and ensure the stability of the valve core processing. The motor 41 is started to drive the bottom plate 42 and the stirring rod 45 to rotate to stir the polishing solution, so that the polishing solution remains uniform and the polishing effect is improved. The motor 36 is started to drive the top plate 33, the connecting rod 34, and the arc plate 35 to rotate, so that the polishing sheet 37 rotates to polish the surface of the ceramic valve core. The polishing solution is filtered through the filter 54. The debris generated during the polishing process remains in the filter 54, which is convenient for recovering the polishing solution.

[0043] like Figure 2-Figure 6 As shown, an electric push rod 1 31 is fixedly installed on the lower surface of the top of the frame 2, and the output end of the electric push rod 1 31 is fixedly installed on the upper surface of the bracket 2 32.

[0044] The extension and retraction of the electric push rod 1 31 drives the bracket 2 32 , the top plate 33 , the arc plate 35 , and the polishing sheet 37 to move up and down, so that the polishing sheet 37 polishes the ceramic valve core.

[0045] like Figure 1-Figure 7 As shown, a stud 38 passing through the connecting rod 34 is threadedly connected to the left side of the top plate 33 .

[0046] The connecting rod 34 is fixed to the top plate 33 by means of a stud 38 , which facilitates replacement of the polishing sheet 37 with different curvatures or replacement of the polishing sheet 37 , thereby being able to polish ceramic valve cores with different outer diameters.

[0047] like Figure 8 , Fig.10 As shown, the stirring rod 45 is in an isosceles trapezoidal structure, and a plurality of cylindrical through holes 46 are formed through the upper surface of the bottom plate 42 .

[0048] The motor 2 41 drives the bottom plate 42 and the stirring rod 45 to rotate to stir the polishing solution, so that the polishing solution remains uniform and the polishing effect is improved. The through hole 46 is provided to facilitate the flow of the polishing solution.

[0049] like Fig. 9 As shown, an internal threaded tube 443 is fixedly installed at the output end of the electric push rod 442 , a screw 444 is threadedly connected to the inner surface of the internal threaded tube 443 , and a positioning plate 445 is fixedly installed at one end of the screw 444 away from the internal threaded tube 443 .

[0050] The positioning plate 445 is driven to approach the ceramic valve core and press against it by the extension and retraction of the electric push rod 442, so as to quickly fix the ceramic valve core and ensure the stability of the valve core processing. The threaded action between the screw 444 and the internal threaded tube 443 facilitates the disassembly and assembly of the positioning plate 445.

[0051] like Figure 2-Figure 4 As shown, a connecting sleeve 53 is threadedly connected to the lower position of the inner surface of the outflow trough 8, and the inner surface of the connecting sleeve 53 is fixedly installed with a filter screen 54. The cross-section of the filter screen 54 is a V-shaped structure. A collecting box 52 is overlapped on the upper surface of the bottom of the bracket 51, and the collecting box 52 is located directly below the outflow trough 8.

[0052] The polishing solution is filtered through the filter 54, and the debris generated during the polishing process remains in the filter 54. The filtrate flows into the collection box 52 for collection, which is convenient for recovering the polishing solution. The threaded action of the connecting sleeve 53 and the outflow groove 8 makes the disassembly and assembly of the connecting sleeve 53 more convenient, thereby facilitating the cleaning of the filter residue in the filter 54.

[0053] In a second aspect, the present invention further provides a polishing method for a ceramic valve core surface polishing device, the polishing method comprising the following steps:

[0054] S1: pre-treat the ceramic valve core;

[0055] S2: Sleeve the ceramic valve core on the outside of the vertical rod 43 and immerse it in the polishing solution;

[0056] S3: Start the second electric push rod 442 to fix the valve core, and start the second motor 41 to drive the stirring rod 45 to stir the polishing solution;

[0057] S4: Start the electric push rod 31 to move the arc plate 35 and the polishing sheet 37 downward, and start the motor 36 to rotate the arc plate 35 and the polishing sheet 37 to polish the ceramic valve core;

[0058] S5: Post-processing.

[0059] S1 includes: cleaning the ceramic valve core, purchasing a standard wool wheel, modifying it into a shape similar to the ceramic valve core material guide groove, installing it on a grinding machine, polishing the material guide groove, and applying W2.5 grinding paste to the processed parts.

[0060] S5 includes: cleaning the polished ceramic valve core, and inspecting the quality of the cleaned product to inspect the degree of product qualification and screen out inferior products.

[0061] The ceramic valve core is cleaned before polishing to remove oil and impurities on the surface. A standard wool wheel is purchased and modified into a shape similar to the guide groove of the ceramic valve core. It is installed on a grinding machine and polished. The processed part needs to be coated with W2.5 abrasive paste to remove the rough parts and processing marks on the surface, which greatly reduces the adhesion rate of the medium on the surface of the ceramic valve core and the cleanliness, thereby improving the service life and filling accuracy. The polished ceramic valve core is then cleaned to remove the residual polishing solution and polishing powder, and the quality of the cleaned product is inspected to check the product's qualification, screen out inferior products, and ensure that the surface of the ceramic valve core meets the required smoothness and precision requirements.

[0062] The working principle of the present invention is as follows: the ceramic valve core is cleaned before polishing to remove oil and impurities on the surface, a standard wool wheel is purchased and modified into a shape similar to the guide groove of the ceramic valve core, and it is installed on a grinding wheel machine to polish the guide groove of the ceramic valve core. The processed part needs to be coated with W2.5 grinding paste to remove the rough parts and processing marks on the surface, thereby greatly reducing the adhesion rate and cleanliness of the medium on the surface of the ceramic valve core, thereby improving the service life and filling accuracy, and the ceramic valve core is sleeved on the outside of the vertical rod 43 and immersed in the polishing solution, and the electric push rod 442 is started to drive the positioning plate 445 to approach the ceramic valve core and press it against it, so as to quickly fix the ceramic valve core and ensure the stability of the valve core processing, and the motor 41 is started to drive the bottom plate 42 and the stirring rod 45 to rotate to stir the polishing solution, so that the polishing solution remains uniform and the polishing effect is improved, and the electric push rod 31 is started to drive the bracket 32 ​​to move downward, so that the arc plate 35 and the polishing sheet 37 move downward, and the motor 36 is started to drive the top plate 33 and the connecting rod 3 4. The arc plate 35 rotates to rotate the polishing sheet 37 to polish the surface of the ceramic valve core. The polishing solution is filtered through the filter screen 54. The debris generated during the polishing process remains in the filter screen 54, and the filtrate flows into the collection box 52 for collection, which is convenient for recovering the polishing solution. Finally, the polished ceramic valve core is cleaned to remove the residual polishing solution and polishing powder, and the quality of the cleaned product is inspected to check the degree of qualification of the product, and the inferior products are screened out to ensure that the surface of the ceramic valve core meets the required smoothness and precision requirements. The connecting rod 34 and the top plate 33 are fixed by the stud 38, which is convenient for replacing the polishing sheet 37 of different arcs or replacing the polishing sheet 37, so that the ceramic valve cores of different outer diameters can be polished. The threaded action between the screw 444 and the internal threaded tube 443 facilitates the disassembly and assembly of the positioning plate 445. The threaded action between the connecting sleeve 53 and the outflow groove 8 makes the disassembly and assembly of the connecting sleeve 53 more convenient, thereby facilitating the cleaning of the filter residue in the filter screen 54.

[0063] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A ceramic valve core surface polishing device, comprising a base (1), characterized in that: A frame (2) is fixedly mounted on the upper portion of the outer surface of the base (1); a polishing groove (6) is provided on the upper surface of the base (1); a polishing assembly (3) is arranged below the frame (2); a recovery assembly (5) and a bottom cover (7) are fixedly mounted on the upper and lower surfaces of the base (1) by screws, and the recovery assembly (5) is located on the left side of the bottom cover (7); and an auxiliary mechanism (4) is fixedly mounted on the upper surface of the bottom cover (7); The polishing assembly (3) comprises a second bracket (32), a motor (36) is fixedly mounted inside the second bracket (32), a top plate (33) is fixedly mounted on the output end of the motor (36), a plug hole (39) is penetrated through the left side of the upper surface of the top plate (33), a connecting rod (34) is inserted into the plug hole (39), an arc plate (35) is fixedly mounted on the lower end of the connecting rod (34), a polishing sheet (37) is fixedly mounted on the inner surface of the arc plate (35), the auxiliary mechanism (4) comprises a second motor (41) and a vertical rod (43), the The second motor (41) is fixedly mounted on the upper surface of the bottom cover (7); a bottom plate (42) is fixedly mounted on the output end of the second motor (41); a plurality of stirring rods (45) are fixedly mounted on the outer surface of the bottom plate (42); a clamping assembly (44) is fixedly mounted at upper and lower positions on the outer surface of the vertical rod (43); the clamping assembly (44) comprises a fixing sleeve (441) and three positioning plates (445); the fixing sleeve (441) is fixedly mounted on the outer surface of the vertical rod (43); and three electric push rods (442) are fixedly mounted on the outer surface of the fixing sleeve (441); The recovery component (5) comprises a bracket one (51), wherein the bracket one (51) is fixedly mounted to the left side of the lower surface of the base (1) by means of screws, and a cylindrical outflow groove (8) is provided through the left side of the lower surface of the base (1) at the position of the bracket one (51), and a filter screen (54) is provided inside the outflow groove (8).

2. A ceramic valve core surface polishing device according to claim 1, characterized in that: An electric push rod 1 (31) is fixedly mounted on the lower surface of the top of the frame (2), and the output end of the electric push rod 1 (31) is fixedly mounted on the upper surface of the bracket 2 (32).

3. The ceramic valve core surface polishing device according to claim 1, characterized in that: The left side of the top plate (33) is threadedly connected with a stud (38) passing through the connecting rod (34).

4. The ceramic valve core surface polishing device according to claim 1, characterized in that: The stirring rod (45) is in an isosceles trapezoidal structure, and a plurality of cylindrical through holes (46) are formed through the upper surface of the bottom plate (42).

5. The ceramic valve core surface polishing device according to claim 1, characterized in that: An internal threaded tube (443) is fixedly mounted on the output end of the second electric push rod (442), a screw rod (444) is threadedly connected to the inner surface of the internal threaded tube (443), and a positioning plate (445) is fixedly mounted on one end of the screw rod (444) away from the internal threaded tube (443).

6. The ceramic valve core surface polishing device according to claim 1, characterized in that: A connecting sleeve (53) is threadedly connected to the lower portion of the inner surface of the outflow groove (8), and the inner surface of the connecting sleeve (53) is fixedly mounted to a filter screen (54). The cross section of the filter screen (54) is a V-shaped structure.

7. The ceramic valve core surface polishing device according to claim 1, characterized in that: A collection box (52) is overlapped on the upper surface of the bottom of the bracket 1 (51), and the collection box (52) is located directly below the outflow trough (8).

8. A polishing method for a ceramic valve core surface polishing device, comprising the ceramic valve core surface polishing device according to any one of claims 1 to 7, characterized in that: The polishing method comprises the following steps: S1: pre-treat the ceramic valve core; S2: Sleeve the ceramic valve core on the outside of the vertical rod (43) and immerse it in a polishing solution; S3: Start the second electric push rod (442) to fix the valve core, and start the second motor (41) to drive the stirring rod (45) to stir the polishing solution; S4: starting the electric push rod 1 (31) to move the arc plate (35) and the polishing sheet (37) downward, and starting the motor 1 (36) to rotate the arc plate (35) and the polishing sheet (37) to polish the ceramic valve core; S5: Post-processing.

9. The polishing method of a ceramic valve core surface polishing device according to claim 8, characterized in that: The S1 includes: cleaning the ceramic valve core, purchasing a standard wool wheel, modifying it into a shape similar to the material guide groove of the ceramic valve core, installing it on a grinding machine, polishing the material guide groove, and applying W2.5 grinding paste to the processed parts.

10. The polishing method of a ceramic valve core surface polishing device according to claim 8, characterized in that: The step S5 includes: cleaning the polished ceramic valve core, and inspecting the quality of the cleaned product to inspect the qualification of the product and screen out inferior products.

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