Shaft sleeve grinding and polishing equipment

By introducing the spiral blade and inclined bottom plate design into the sleeve grinding and polishing equipment, the problem of uneven grinding of the inner wall of the long sleeve is solved, and uniform grinding and high-precision assembly of the inner wall of the sleeve are achieved.

CN223301502UActive Publication Date: 2025-09-05JINAN DONGCHUAN MASCH MFG CO LTD
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Patent Information

Application Number
CN202422430726.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-09-05
Estimated Expiration
2034-10-09

AI Technical Summary

Technical Problem

It is difficult to evenly grind and polish the inner wall of a long sleeve with existing technology, resulting in inconsistent grinding accuracy and affecting the assembly effect.

Method used

It adopts three-jaw chuck assembly, spiral blade telescopic cylinder, spiral blade drive motor assembly and sandblasting parts. The rotation of the spiral blade and the design of the uniform scraper ensure the uniform distribution of the sand on the inner wall of the sleeve. Combined with the right-angled triangle structure of the inclined bottom plate, the uniform dispersion and collection of the sand is achieved.

Benefits of technology

The uniform grinding of the inner wall of the longer sleeve is achieved, which improves the grinding accuracy and consistency and facilitates subsequent assembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of shaft sleeve machining, and particularly relates to a shaft sleeve grinding and polishing device which comprises a three-jaw chuck assembly, a sand blasting piece, a machining table, an inserting assembly, a spiral blade telescopic air cylinder, a spiral blade driving motor assembly and a controller, the three-jaw chuck assembly is detachably connected with a shaft sleeve, and the machining table comprises a supporting table plate, a first side plate, a second side plate and an inclined bottom plate. The upper end of the inclined bottom plate is fixedly connected with the lower end of the supporting table plate, the bottom face of the inclined bottom plate is horizontal, the vertical section of the inclined bottom plate is in a right triangle shape, and the inserting-connecting assembly comprises spiral blades, a fixing column and a side baffle, and the end, away from the three-jaw chuck assembly, of the side baffle is detachably connected with the rotary blade driving motor assembly. And the height of one end, close to the side plate I, of the shaft sleeve is smaller than the height of one end, far away from the side plate I. Compared with the prior art, the grinding and polishing device has the advantages and positive effects that sand sprayed by the sand blasting piece is dynamically flattened through the uniform scraping plate, and the grinding and polishing effect is better.
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Description

Technical Field

[0001] The utility model belongs to the technical field of shaft sleeve processing, and particularly relates to a shaft sleeve grinding and polishing device. Background Art

[0002] The sleeve is a tubular part that is mounted on the rotating shaft. During processing, a cutter is often required to cut the sleeve surface and inner wall, which will produce scratches. In order to obtain a smooth inner wall and surface, the sleeve also needs to be polished.

[0003] When grinding the surface and inner wall of a long sleeve, the sandpaper is not easy to enter the interior of the long sleeve, so the polishing effect of the inner wall of the sleeve is not ideal. There are certain differences in the polishing accuracy of each part, which causes errors and affects the subsequent assembly effect. Therefore, there is an urgent need for a sleeve grinding and polishing equipment with good polishing effect on the inner wall of a long sleeve. Utility Model Content

[0004] In view of the above problems, the utility model provides a shaft sleeve grinding and polishing device.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a shaft sleeve grinding and polishing device, comprising a three-jaw chuck assembly and a sandblasting component, wherein the three-jaw chuck assembly is detachably connected to the shaft sleeve, and further comprising a processing table, a plug-in assembly, a spiral blade telescopic cylinder, a spiral blade drive motor assembly and a controller;

[0006] The processing table includes a supporting table top, a side panel 1, a side panel 2 and an inclined bottom panel, wherein the lower end surfaces of the side panel 1 and the side panel 2 are fixedly connected to the upper end surface of the supporting table top, the upper end of the inclined bottom panel is fixedly connected to the lower end of the supporting table top, the bottom surface of the inclined bottom panel is horizontal, and the vertical cross-section of the inclined bottom panel is a right triangle;

[0007] The plug-in assembly includes a spiral leaf, a fixed column and a side baffle. The spiral leaf includes a spiral leaf body and a uniform scraper. There are multiple uniform scrapers, and the multiple uniform scrapers are fixedly connected to the outer side of the spiral leaf body. The spiral leaf body is fixedly connected to the side of the fixed column, and the fixed column is detachably connected to the side baffle.

[0008] One end of the side baffle away from the three-jaw chuck assembly is detachably connected to the rotary vane drive motor assembly, one end of the rotary vane drive motor assembly away from the side baffle is detachably connected to the spiral vane telescopic cylinder, the spiral vane telescopic cylinder is detachably connected to the second side plate, and the sandblasting component is detachably connected to the side baffle;

[0009] The shaft sleeve, the fixed column and the spiral blade telescopic cylinder are coaxial, and the height of the shaft sleeve close to the side plate is smaller than the height of the shaft sleeve away from the side plate;

[0010] The three-jaw chuck assembly, the spiral blade telescopic cylinder, the spiral blade drive motor assembly and the sandblasting component are all communicatively connected to the controller, and the controller is installed on the supporting table.

[0011] Preferably, the uniform scraper is a curved plate.

[0012] Preferably, the side baffle is trumpet-shaped.

[0013] Preferably, the side baffle is provided with a sandblasting hole, and the side baffle is detachably connected to the sandblasting component through the sandblasting hole.

[0014] Preferably, the processing table further comprises a guardrail baffle plate, the guardrail baffle plate is parallel to the length direction of the support table plate, and the lower end of the guardrail baffle plate is fixedly connected to the upper end surface of the support table plate.

[0015] Preferably, the supporting table top includes a supporting plate and supporting legs, and there are multiple supporting legs. The upper ends of the multiple supporting legs are detachably connected to the lower end surface of the supporting plate, and the lower ends of the multiple supporting legs are fixedly connected to the upper end of the inclined bottom plate.

[0016] Preferably, a sand collecting box is further included. A sand collecting hole is provided on the support plate. The sand collecting box is located below the sand collecting hole. The lower end of the sand collecting box is in contact with the upper end surface of the inclined bottom plate.

[0017] Preferably, the processing table also includes a motor support plate, the three-jaw chuck assembly includes a three-jaw chuck and a chuck drive motor, the motor support plate is fixedly connected to the end of the side plate away from the plug-in assembly, the lower end of the chuck drive motor is detachably connected to the motor support plate, the chuck drive motor passes through the side plate and is detachably connected to the three-jaw chuck, and the three-jaw chuck is detachably connected to the sleeve.

[0018] Preferably, the rotary vane drive motor assembly includes a rotary vane drive motor and a rolling wheel bracket, the lower end of the rotary vane drive motor and the upper end of the rolling wheel bracket are detachably connected, the rolling wheel bracket includes a roller, and the rolling wheel bracket is fitted with the upper end surface of the support table through the roller.

[0019] Compared with the prior art, the advantages and positive effects of the present invention are:

[0020] (1) Multiple uniform scrapers are fixedly connected to the outer side of the spiral blade body. The uniform scrapers can dynamically smooth the sand material sprayed from the sandblasting parts, ensuring the consistency of the grinding and polishing effect at all locations. The grinding and polishing effect is good for the inner wall of the longer sleeve, which is convenient for subsequent assembly.

[0021] (2) The bottom surface of the inclined bottom plate is horizontal, and the vertical cross-section of the inclined bottom plate is a right triangle. The height of the shaft sleeve near the side plate 1 is less than the height of the shaft sleeve away from the side plate 1. The spiral blade is spiral-shaped. By setting the rotation direction of the spiral blade, part of the sand material entering the spiral blade will move toward the side away from the side plate 1, so that the sand material is always uniform and more evenly dispersed everywhere, and the grinding and polishing effect is good;

[0022] (3) The uniform scraper is a curved plate, which has a good uniform effect;

[0023] (4) The side baffle is trumpet-shaped to reduce the flying of sand;

[0024] (5) The vertical cross-section of the inclined bottom plate is a right triangle. The sand collecting box is located below the sand collecting hole. The lower end of the sand collecting hole fits into the upper surface of the inclined bottom plate. The scattered sand will gather toward the sand collecting box, and the sand collecting effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments:

[0026] Figure 1 3D diagram of the sleeve grinding and polishing equipment Figure 1 ;

[0027] Figure 2 This is the main view of the sleeve grinding and polishing equipment;

[0028] Figure 3 3D diagram of the sleeve grinding and polishing equipment Figure 2 ;

[0029] Figure 4 This is a top view of the bushing grinding and polishing equipment;

[0030] Figure 5 A three-dimensional schematic diagram of the plug-in components of the sleeve grinding and polishing equipment;

[0031] Figure 6 Schematic diagram of the coordination between the spiral blade body and the fixed column of the sleeve grinding and polishing equipment.

[0032] Reference numerals:

[0033] 1 - processing table, 11 - support table, 12 - side panel 1, 13 - side panel 2, 14 - inclined bottom plate, 15 - motor support plate, 16 - cylinder support plate, 17 - sand collection hole, 18 - guardrail baffle, 19 - support leg;

[0034] 2—plug-in assembly, 21—spiral blade, 22—spiral blade body, 23—uniform scraper, 24—fixed column, 25—side baffle, 26—sandblasting hole;

[0035] 3—three-jaw chuck assembly, 31—three-jaw chuck, 32—chuck drive motor;

[0036] 4—Spiral blade telescopic cylinder;

[0037] 5—Sand collection box;

[0038] 6—sleeve;

[0039] 7 - rotary blade drive motor assembly, 71 - rotary blade drive motor, 72 - rolling wheel bracket;

[0040] 8—Sandblasted parts. DETAILED DESCRIPTION

[0041] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention will be further described below with reference to the accompanying drawings and embodiments.

[0042] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0043] Example 1

[0044] The following combination Figures 1 to 6 Specify the equipment for grinding and polishing the bushing, such as Figure 1 、 Figure 3 and Figure 4 As shown, a sleeve grinding and polishing equipment includes a three-jaw chuck assembly 3 and a sandblasting component 8. The three-jaw chuck assembly 3 is detachably connected to the sleeve 6. It also includes a processing table 1, a plug-in assembly 2, a spiral blade telescopic cylinder 4, a spiral blade drive motor assembly 7 and a controller.

[0045] like Figure 1 As shown, the processing table 1 includes a supporting table plate 11, a side panel 1 12, a side panel 2 13 and an inclined bottom plate 14. The lower end surfaces of the side panel 12 and the side panel 2 13 are fixedly connected to the upper end surface of the supporting table plate 11, the upper end of the inclined bottom plate 14 is fixedly connected to the lower end of the supporting table plate 11, the bottom surface of the inclined bottom plate 14 is horizontal, and the vertical cross-section of the inclined bottom plate 14 is a right triangle.

[0046] like Figure 5 and Figure 6 As shown, the plug-in component 2 includes a spiral leaf 21, a fixed column 24 and a side baffle 25. The spiral leaf 21 includes a spiral leaf body 22 and a uniform scraper 23. There are multiple uniform scrapers 23, and the multiple uniform scrapers 23 are all fixedly connected to the outer side surface of the spiral leaf body 22. The spiral leaf body 22 and the side of the fixed column 24 are fixedly connected, and the fixed column 24 and the side baffle 25 are detachably connected.

[0047] like Figure 1 and Figure 5 As shown, the end of the side baffle 25 away from the three-jaw chuck assembly 3 is detachably connected to the rotary blade drive motor assembly 7, the end of the rotary blade drive motor assembly 7 away from the side baffle 25 is detachably connected to the spiral blade telescopic cylinder 4, the spiral blade telescopic cylinder 4 is detachably connected to the side plate 2 13, and the sandblasting part 8 is detachably connected to the side baffle 25.

[0048] like Figure 2 and Figure 5 As shown, the shaft sleeve 6, the fixed column 24 and the spiral leaf telescopic cylinder 4 are coaxial, and the height of the shaft sleeve 6 close to the side plate 12 is less than the height of the shaft sleeve 6 away from the side plate 12.

[0049] The three-jaw chuck assembly 3 , the spiral blade telescopic cylinder 4 , the spiral blade drive motor assembly 7 and the sandblasting component 8 are all communicatively connected to the controller, and the controller is installed on the supporting table 11 .

[0050] The uniform scraper 23 is a curved plate.

[0051] The side baffle 25 is trumpet-shaped.

[0052] A sandblasting hole 26 is formed on the side baffle 25 , and the side baffle 25 is detachably connected to the sandblasting member 8 through the sandblasting hole 26 .

[0053] The processing table 1 also includes a guardrail material blocking plate 18 , which is parallel to the length direction of the support table plate 11 , and the lower end of the guardrail material blocking plate 18 is fixedly connected to the upper end surface of the support table plate 11 .

[0054] like Figure 1 As shown, the support table top 11 includes a support plate and support legs 19. There are multiple support legs 19. The upper ends of the multiple support legs 19 are detachably connected to the lower end surface of the support plate, and the lower ends of the multiple support legs 19 are fixedly connected to the upper end of the inclined bottom plate 14.

[0055] like Figure 2 and Figure 3 As shown, it also includes a sand collecting box 5, a sand collecting hole 17 is opened on the support plate, the sand collecting box 5 is located below the sand collecting hole 17, and the lower end of the sand collecting box 5 is in contact with the upper end surface of the inclined bottom plate 14.

[0056] like Figure 2 As shown, the processing table 1 also includes a motor support plate 15, the three-jaw chuck assembly 3 includes a three-jaw chuck 31 and a chuck drive motor 32, the motor support plate 15 is fixedly connected to the end of the side plate 12 away from the plug-in assembly 2, the lower end of the chuck drive motor 32 is detachably connected to the motor support plate 15, the chuck drive motor 32 passes through the side plate 12 and is detachably connected to the three-jaw chuck 31, and the three-jaw chuck 31 is detachably connected to the shaft sleeve 6.

[0057] like Figure 1 As shown, the rotary vane drive motor assembly 7 includes a rotary vane drive motor 71 and a rolling wheel bracket 72. The lower end of the rotary vane drive motor 71 and the upper end of the rolling wheel bracket 72 are detachably connected. The rolling wheel bracket 72 includes a roller, and the rolling wheel bracket 72 is fitted with the upper end surface of the support table board 11 through the roller.

[0058] like Figure 2 As shown, the processing table 1 also includes a cylinder support plate 16, which is fixedly connected to the second side plate 13, and the upper end surface of the cylinder support plate 16 is in contact with the lower end surface of the spiral leaf telescopic cylinder 4.

[0059] Working principle of sleeve grinding and polishing equipment:

[0060] The spiral blade 21 is spiral-shaped. By setting the rotation direction of the spiral blade 21, part of the sand material entering the spiral blade 21 will move toward the side away from the side plate 12, and finally be thrown out at the end of the sleeve 6 away from the side plate 12. Since the height of the end of the sleeve 6 close to the side plate 12 is less than the height of the end of the sleeve 6 away from the side plate 12, that is, the fixed column 24 is placed at a certain angle to the horizontal plane, when too much sand material accumulates at the end of the sleeve 6 away from the side plate 12, the sand material thrown out at the end of the sleeve 6 away from the side plate 12 will move toward the side close to the side plate 12 under the action of its own gravity, and mix with the remaining sand material during the movement, so that during the grinding and polishing process, the sand material is more evenly dispersed everywhere, and the polishing effect is better.

[0061] As the technical solution of the present invention, the hardware setting provided is only for the purpose of facilitating the realization of braking control based on the hardware facilities. How to realize braking control and braking control method specifically is not the technical problem to be solved and the object to be protected by the present invention. At the same time, the communication method between the devices adopts the existing communication method, which is not the utility model point of this application.

[0062] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification or equivalent change made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A shaft sleeve grinding and polishing device, comprising a three-jaw chuck assembly (3) and a sandblasting member (8), wherein the three-jaw chuck assembly (3) is detachably connected to the shaft sleeve (6), and is characterized in that: It also includes a processing table (1), a plug-in assembly (2), a spiral blade telescopic cylinder (4), a spiral blade drive motor assembly (7) and a controller; The processing table (1) comprises a supporting table top (11), a side panel 1 (12), a side panel 2 (13) and an inclined bottom panel (14), wherein the lower end surfaces of the side panel 1 (12) and the side panel 2 (13) are fixedly connected to the upper end surface of the supporting table top (11), the upper end of the inclined bottom panel (14) is fixedly connected to the lower end of the supporting table top (11), the bottom surface of the inclined bottom panel (14) is horizontal, and the vertical cross-section of the inclined bottom panel (14) is a right triangle; The plug-in assembly (2) includes a spiral leaf (21), a fixed column (24) and a side baffle (25); the spiral leaf (21) includes a spiral leaf body (22) and a uniform scraper (23); the uniform scraper (23) is multiple in number, and the multiple uniform scrapers (23) are fixedly connected to the outer side surface of the spiral leaf body (22); the spiral leaf body (22) and the side surface of the fixed column (24) are fixedly connected; and the fixed column (24) and the side baffle (25) are detachably connected; One end of the side baffle (25) away from the three-jaw chuck assembly (3) is detachably connected to the rotary blade drive motor assembly (7), one end of the rotary blade drive motor assembly (7) away from the side baffle (25) is detachably connected to the spiral blade telescopic cylinder (4), the spiral blade telescopic cylinder (4) is detachably connected to the second side plate (13), and the sandblasting component (8) is detachably connected to the side baffle (25); The shaft sleeve (6), the fixed column (24) and the spiral blade telescopic cylinder (4) are coaxial, and the height of the shaft sleeve (6) at one end close to the side plate (12) is smaller than the height of the shaft sleeve (6) at one end away from the side plate (12); The three-jaw chuck assembly (3), the spiral blade telescopic cylinder (4), the spiral blade drive motor assembly (7), and the sandblasting component (8) are all communicatively connected to a controller, and the controller is mounted on the support table (11).

2. The shaft sleeve grinding and polishing device according to claim 1, characterized in that: The uniform scraper (23) is a curved plate.

3. The shaft sleeve grinding and polishing device according to claim 1, characterized in that: The side baffle (25) is trumpet-shaped.

4. The shaft sleeve grinding and polishing device according to claim 1, characterized in that: A sandblasting hole (26) is provided on the side baffle (25), and the side baffle (25) is detachably connected to the sandblasting member (8) via the sandblasting hole (26).

5. The shaft sleeve grinding and polishing device according to claim 1, characterized in that: The processing table (1) further comprises a guardrail material blocking plate (18), wherein the guardrail material blocking plate (18) is parallel to the length direction of the support table plate (11), and the lower end of the guardrail material blocking plate (18) is fixedly connected to the upper end surface of the support table plate (11).

6. The shaft sleeve grinding and polishing device according to claim 1, characterized in that: The support table top (11) comprises a support plate and supporting legs (19), wherein the supporting legs (19) are multiple in number, and the upper ends of the multiple supporting legs (19) are detachably connected to the lower end surface of the support plate, and the lower ends of the multiple supporting legs (19) are fixedly connected to the upper end of the inclined bottom plate (14).

7. The shaft sleeve grinding and polishing device according to claim 6, characterized in that: It also includes a sand collecting box (5), the support plate is provided with a sand collecting hole (17), the sand collecting box (5) is located below the sand collecting hole (17), and the lower end of the sand collecting box (5) is in contact with the upper end surface of the inclined bottom plate (14).

8. The shaft sleeve grinding and polishing device according to claim 1, characterized in that: The processing table (1) further includes a motor support plate (15), the three-jaw chuck assembly (3) includes a three-jaw chuck (31) and a chuck drive motor (32), the motor support plate (15) is fixedly connected to an end of the side plate (12) away from the plug-in assembly (2), the lower end of the chuck drive motor (32) is detachably connected to the motor support plate (15), the chuck drive motor (32) passes through the side plate (12) and is detachably connected to the three-jaw chuck (31), and the three-jaw chuck (31) is detachably connected to the shaft sleeve (6).

9. The shaft sleeve grinding and polishing device according to claim 1, characterized in that: The rotary vane drive motor assembly (7) comprises a rotary vane drive motor (71) and a rolling wheel bracket (72); the lower end of the rotary vane drive motor (71) and the upper end of the rolling wheel bracket (72) are detachably connected; the rolling wheel bracket (72) comprises a roller; and the rolling wheel bracket (72) is in contact with the upper end surface of the support table (11) via the roller.