Fixed shaft for polishing equipment

By designing a fixed shaft structure with multiple diameters, the problem of the limited applicability of existing fixed shafts has been solved, enabling adaptable connection with various polishing equipment and convenient maintenance.

CN223708335UActive Publication Date: 2025-12-23XIAMEN RUIJING METAL PROD CO LTD
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Patent Information

Application Number
CN202520253179.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-12-23
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

Most existing polishing equipment uses a fixed shaft with a single diameter, which has a limited range of applications and cannot be used with a variety of polishing equipment.

Method used

A fixed shaft structure comprising a front shaft, a middle shaft, and a tail shaft was designed. Through spline and threaded connections, it enables power transmission of multiple diameters. The structure can be quickly disassembled and assembled, facilitating its compatibility with components such as bearings and couplings.

Benefits of technology

It achieves multi-level diameter adaptability of the fixed shaft, which facilitates connection with different polishing equipment and makes inspection and maintenance easy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fixing shaft for polishing equipment, which belongs to the technical field of polishing equipment and comprises a front end shaft, a middle shaft and a tail shaft, the front end shaft and the tail shaft are respectively mounted on two sides of the middle shaft, one side of the front end shaft is in spline connection with a mounting head, and the other side of the front end shaft is in spline connection with the tail shaft. One side of the tail shaft is in threaded connection with a first flange plate, and a sealing ring is arranged at the joint of the first flange plate and the tail shaft. A first spline head arranged on a mounting head is connected with a fourth spline groove in a first short sleeve and a fourth spline groove in a third short sleeve, a second spline head is connected with a fifth spline groove in a second short sleeve, and then a second thread head on the second short sleeve is connected with a thread groove in a second long sleeve; secondly, a fourth spline head on the second long sleeve is connected with a first spline groove in the first long sleeve, finally, a third spline head on the first long sleeve is connected with a second spline groove in the tail shaft, the overall structure of the fixing shaft can be rapidly disassembled and assembled, and follow-up overhaul and maintenance are facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to polishing equipment technical field more specifically, relate to a kind of fixed shaft for polishing equipment. BACKGROUND

[0002] Polishing equipment is a mechanical device used to improve the surface quality of workpieces, remove surface defects or impart specific textures. They are widely used in metalworking, jewelry manufacturing, automotive industry, electronic components and other fields to achieve smooth, mirror or other special effects. Fixed shaft is a key component to ensure the stability and accurate position of workpieces during polishing. It not only needs to have sufficient strength and rigidity to withstand the working load, but also needs to provide smooth rotational motion to ensure polishing quality.

[0003] Based on the above, the inventor found that: at present, the existing fixed shaft for polishing equipment is mostly single-diameter shaft, which can only be applied to specific polishing equipment, with small application range. Therefore, in view of the above, the existing structure is improved to provide a fixed shaft for polishing equipment, in order to achieve more practical value. SUMMARY

[0004] 1. Technical problem to be solved

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a fixed shaft for polishing equipment, which can prevent the existing fixed shaft for polishing equipment from being mostly single-diameter shaft, which can only be applied to specific polishing equipment with small application range.

[0006] 2. Technical scheme

[0007] To solve the above problems, the utility model adopts the following technical scheme.

[0008] 2. A fixed shaft for polishing equipment, comprising a front end shaft, a middle shaft and a tail shaft, the front end shaft and the tail shaft are respectively installed on both sides of the middle shaft, a mounting head is connected to one side of the front end shaft through spline, a flange plate one is connected to one side of the tail shaft through thread, a sealing ring is arranged at the connection between the flange plate one and the tail shaft, a spline head one is fixedly connected to one side of the mounting head, and a spline groove two is formed in the inner side of the tail shaft.

[0009] The front end shaft is composed of a short sleeve one, a flange plate two, a spline head two, a short sleeve two, a flange plate three, a threaded head two and a short sleeve three, the short sleeve one, the short sleeve two and the short sleeve three are connected through flange bolts, the threaded head two and the flange plate three are respectively fixedly connected to both sides of the short sleeve two, the flange plate two is respectively fixedly connected to both sides of the short sleeve one, and the spline head two is fixedly connected to one side of the flange plate two.

[0010] The middle shaft is combined by the long sleeve one, the long sleeve two, the flange plate four, the spline head three, the flange plate five and the spline head four, the long sleeve one and the long sleeve two are connected through the flange plate bolt, the flange plate four is fixedly connected to the two sides of the long sleeve one, the flange plate five is fixedly connected to the two sides of the long sleeve two, and the spline head three and the spline head four are fixedly connected to one side of the flange plate four and the flange plate five respectively.

[0011] Further, the tail shaft is fixedly connected with the threaded head one away from the middle shaft, and the outside of the threaded head one is threadedly connected with the mounting sleeve and the connecting head from right to left.

[0012] Further, the short sleeve one, the short sleeve two and the short sleeve three are consistent in diameter, and the inside of the short sleeve one, the short sleeve two and the short sleeve three is respectively provided with the spline groove three, the spline groove five and the spline groove four.

[0013] Further, the flange plate two and the flange plate three are consistent in structure.

[0014] Further, the inside of the long sleeve one and the long sleeve two is respectively provided with the spline groove one and the threaded groove, and the threaded groove is threadedly connected with the threaded head two.

[0015] Further, the sizes of the spline groove two, the spline groove three, the spline groove four and the spline groove five are matched with the spline head three, the spline head one and the spline head two.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] (1) The tail shaft and the front end shaft are respectively installed on the two sides of the middle shaft, the mounting head is installed on the polishing equipment when the fixed shaft is used, the front end shaft is spline-connected with the middle shaft, the middle shaft is spline-connected with the tail shaft, the tail shaft, the middle shaft and the front end shaft are closely engaged, power transmission is realized, and multi-stage diameters are adopted, so that the fixed shaft is convenient for cooperation with bearings, shaft couplings and other components.

[0019] (2) The spline head one on the mounting head is connected with the spline groove four on the short sleeve one and the short sleeve three, the spline head two is connected with the spline groove five on the short sleeve two, the threaded head two on the short sleeve two is connected with the threaded groove on the long sleeve two, the spline head four on the long sleeve two is connected with the spline groove one on the long sleeve one, and the spline head three on the long sleeve one is connected with the spline groove two on the tail shaft, so that the whole structure of the fixed shaft can be quickly disassembled and assembled, and subsequent maintenance is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the schematic view of fixed axle of the utility model;

[0021] Figure 2 It is the schematic view of tail axle split of the utility model;

[0022] Figure 3 It is the schematic view of fixed axle split of the utility model;

[0023] Figure 4 It is the schematic view of fixed axle plane of the utility model.

[0024] Mark explanation in drawing:

[0025] 1, mounting head;101, threaded head one;102, mounting sleeve;103, connecting head;2, front end axle;21, short sleeve one;22, flange plate two;23, spline head two;24, short sleeve two;25, flange plate three;26, threaded head two;27, short sleeve three;3, middle axle;31, long sleeve one;32, long sleeve two;33, flange plate four;34, spline head three;35, flange plate five;36, spline head four;4, tail axle;5, flange plate one;6, sealing ring;7, spline head one;8, threaded groove;9, spline groove one;10, spline groove two;11, spline groove three;12, spline groove four;13, spline groove five. Specific implementation

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model;Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0027] Embodiment:

[0028] 3. Please refer to Figure 1 - Figure 4 A fixed axle for polishing equipment, comprising front end axle 2, middle axle 3 and tail axle 4, front end axle 2 and tail axle 4 are installed on both sides of middle axle 3 respectively, one side of front end axle 2 is spline connected with mounting head 1, mounting head 1 is used for connecting with polishing equipment. One side of tail axle 4 is threaded connected with flange plate one 5, flange plate one 5 is used for connecting with middle axle 3 by cooperating with bolt. The connecting place of flange plate one 5 and tail axle 4 is provided with sealing ring 6, sealing ring 6 is used for increasing the sealing property of fixed axle. One side of mounting head 1 is fixedly connected with spline head one 7, spline head one 7 is used for facilitating the connection of middle axle 3 and tail axle 4. The inner side of tail axle 4 is provided with spline groove two 10;

[0029] The front end shaft 2 is composed of a short sleeve 21, a flange plate 22, a spline head 23, a short sleeve 24, a flange plate 25, a threaded head 26 and a short sleeve 27. The short sleeves 21, 24 and 27 are connected by flange bolts. The threaded head 26 and the flange plate 25 are fixedly connected to the two sides of the short sleeve 24. The flange plate 22 is fixedly connected to the two sides of the short sleeve 21. The spline head 23 is fixedly connected to one side of the flange plate 22. The short sleeves 21, 24 and 27 can be used in combination with bearings and couplings.

[0030] The middle shaft 3 is composed of a long sleeve 31, a long sleeve 32, a flange plate 33, a spline head 34, a flange plate 35 and a spline head 36. The long sleeves 31 and 32 are connected by flange bolts. The flange plate 33 is fixedly connected to the two sides of the long sleeve 31. The flange plate 35 is fixedly connected to the two sides of the long sleeve 32. The spline heads 34 and 36 are fixedly connected to one side of the flange plates 33 and 35, respectively. The spline heads 34 and 36 and the flange plates 33 and 35 can be used to quickly disassemble the front end shaft 2.

[0031] Referring to Figure 1 and Figure 2 , the tail shaft 4 is fixedly connected with a threaded head 101 on the side away from the middle shaft 3. The outside of the threaded head 101 is threadedly connected with a mounting sleeve 102 and a connecting head 103 from right to left. The mounting sleeve 102 and the connecting head 103 can be used to install an external polishing disc.

[0032] Referring to Figure 1 and 3 , the short sleeves 21, 24 and 27 have the same diameter. The inside of the short sleeves 21, 24 and 27 is respectively provided with a spline groove 11, a spline groove 13 and a spline groove 12. The spline grooves 11, 13 and 12 can be used to quickly disassemble the front end shaft 2.

[0033] Referring to Figure 1 and 3 , the flange plate 22 and the flange plate 25 have the same structure. The flange plate 22 and the flange plate 25 can be used to quickly disassemble the front end shaft 2.

[0034] Referring to Figure 1 and Figure 4 , the inside of the long sleeves 31 and 32 is respectively provided with a spline groove 9 and a threaded groove 8. The threaded groove 8 is threadedly connected with the threaded head 26. The long sleeves 31 and 32 can be used to quickly disassemble the middle shaft 3.

[0035] Referring to Figure 3 And Figure 4 The sizes of the spline groove two 10, the spline groove three 11, the spline groove four 12 and the spline groove five 13 are matched with the spline head three 34, the spline head one 7 and the spline head two 23 respectively, and the spline head three 34, the spline head one 7 and the spline head two 23 can be quickly disassembled and assembled.

[0036] In use: first, the tail shaft 4 and the front end shaft 2 are respectively installed on both sides of the middle shaft 3, when the fixed shaft is used, the mounting head 1 is installed on the polishing equipment, the front end shaft 2 is spline connected with the middle shaft 3, and then the middle shaft 3 is spline connected with the tail shaft 4, so that the tail shaft 4, the middle shaft 3 and the front end shaft 2 can be closely engaged, thereby realizing power transmission, the spline head one 7 on the mounting head 1 is connected with the spline groove four 12 on the short sleeve one 21 and the short sleeve three 27 respectively, first, the spline head two 23 is connected with the spline groove five 13 on the short sleeve two 24, then the threaded head two 26 on the short sleeve two 24 is connected with the threaded groove 8 on the long sleeve two 32, secondly, the spline head four 36 on the long sleeve two 32 is connected with the spline groove one 9 on the long sleeve one 31, and finally, the spline head three 34 on the long sleeve one 31 is connected with the spline groove two 10 on the tail shaft 4, the overall structure of the fixed shaft can be quickly disassembled and assembled, which is convenient for subsequent maintenance and maintenance; the multi-stage diameter is convenient for cooperation with bearings, shaft couplings and other components.

[0037] Finally, it should be pointed out that in the description of the utility model, it should be pointed out that the terms "vertical", "upper", "lower", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, structure and operation, therefore it cannot be understood as a limitation on the utility model.

[0038] In the description of the utility model, it should also be pointed out that unless otherwise specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0039] The above merely describes a preferred embodiment of the present application; the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and improvement concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the scope of protection of the present application.

Claims

1. A fixed shaft for a polishing device, comprising a front shaft (2), a middle shaft (3), and a tail shaft (4), wherein the front shaft (2) and the tail shaft (4) are respectively mounted on both sides of the middle shaft (3), and a mounting head (1) is splinedly connected to one side of the front shaft (2), characterized in that: A flange (5) is threadedly connected to one side of the tail shaft (4), and a sealing ring (6) is provided at the connection between the flange (5) and the tail shaft (4). A spline head (7) is fixedly connected to one side of the mounting head (1), and a spline groove (10) is provided on the inner side of the tail shaft (4). The front end shaft (2) is composed of a short sleeve (21), a flange (22), a spline head (23), a short sleeve (24), a flange (25), a threaded head (26), and a short sleeve (27). The short sleeve (21), short sleeve (24), and short sleeve (27) are connected by flange bolts. The threaded head (26) and flange (25) are fixedly connected to both sides of the short sleeve (24). The flange (22) is fixedly connected to both sides of the short sleeve (21). The spline head (23) is fixedly connected to one side of the flange (22). The central shaft (3) is composed of a long sleeve one (31), a long sleeve two (32), a flange four (33), a spline head three (34), a flange five (35), and a spline head four (36). The long sleeve one (31) and the long sleeve two (32) are connected by flange bolts. The flange four (33) is fixedly connected to both sides of the long sleeve one (31). The flange five (35) is fixedly connected to both sides of the long sleeve two (32). The spline head three (34) and the spline head four (36) are respectively fixedly connected to one side of the flange four (33) and the flange five (35).

2. The fixed shaft for a polishing device according to claim 1, characterized in that: The tail shaft (4) is fixedly connected to a threaded head (101) on the side away from the middle shaft (3). The outer side of the threaded head (101) is threaded with an installation sleeve (102) and a connector (103) from right to left.

3. The fixed shaft for a polishing device according to claim 1, characterized in that: The short sleeves 1 (21), 2 (24) and 3 (27) have the same diameter, and the inner sides of the short sleeves 1 (21), 2 (24) and 3 (27) are respectively provided with spline groove 3 (11), spline groove 5 (13) and spline groove 4 (12).

4. A fixed shaft for a polishing device according to claim 1, characterized in that: The structure of flange two (22) is the same as that of flange three (25).

5. A fixed shaft for a polishing device according to claim 1, characterized in that: The inner sides of the first long sleeve (31) and the second long sleeve (32) are respectively provided with a spline groove (9) and a threaded groove (8), and the threaded groove (8) is threadedly connected to the second threaded head (26).

6. A fixed shaft for a polishing device according to claim 1, characterized in that: The dimensions of spline slot 2 (10), spline slot 3 (11), spline slot 4 (12) and spline slot 5 (13) are respectively matched with spline head 3 (34), spline head 1 (7) and spline head 2 (23).