Protective assembly and polishing machine with same

By designing protective components, the workpiece is suspended in the vibration polishing machine, the abrasive grain scratching problem caused by different weights at both ends of the tooth shaft parts is solved, and the polishing effect and the quality of tooth shaft parts are improved.

CN119526265APending Publication Date: 2025-02-28CRRC VOITH TRANSMISSION TECH (BEIJING) CO LTD
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Patent Information

Application Number
CN202411577464.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-02-28

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Abstract

The invention provides a protection assembly and a polishing machine with the same, the protection assembly comprises a first supporting assembly and a second supporting assembly, the first supporting assembly comprises a first support and a first end cover which are connected, the first support is provided with a first polishing machine connecting part, part of the first support is located in the polishing machine, and the first end cover is provided with a first workpiece connecting part; the second supporting assembly and the first supporting assembly are arranged in a spaced mode, the second supporting assembly comprises a second support and a second end cover which are connected, the second support is provided with a second polishing machine connecting part, part of the second support is located in the polishing machine, and the second end cover is provided with a second workpiece connecting part; and the two ends of the workpiece can be connected with the first end cover through the first workpiece connecting part and connected with the second end cover through the second workpiece connecting part, so that the workpiece is suspended in the polishing machine. According to the technical scheme provided by the invention, the problem that the workpiece is scratched by the abrasive particles in the related technology can be solved.
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Description

Technical Field

[0001] The invention relates to the technical field of mechanical processing, in particular to a protective component and a polishing machine having the same. Background Art

[0002] The vibration polishing machine is a device used for material surface treatment. It generates vibration through the motor, causing the abrasive and the workpiece to collide and rub in the container, so that the surface of the workpiece obtains a certain degree of smoothness and precision, thereby achieving the effect of surface polishing.

[0003] With the rapid development of the wind power industry, the demand for reducers is increasing, and the precision requirements for gears and gear shafts in reducers are high. The roughness of the tooth surface of the gear shaft is improved, and a gear grinder can be used for grinding, or a vibration polisher can be used for surface polishing. Among them, when the vibration polisher is polishing, due to the different weights at both ends of the gear shaft, it is easy to cause the heavier end of the gear shaft to touch the bottom, causing the abrasive particles to scratch the tooth surface, affecting the quality of gear shaft parts. Summary of the invention

[0004] The invention provides a protection component and a polishing machine having the same, so as to solve the problem of abrasive particles scratching a workpiece in the related art.

[0005] According to one aspect of the present invention, a protective assembly is provided, which includes: a first support assembly, including a first bracket and a first end cover connected to each other, the first bracket having a first polishing machine connection portion, a portion of the first bracket being located in the polishing machine, and the first end cover having a first workpiece connection portion; a second support assembly, spaced apart from the first support assembly, the second support assembly including a second bracket and a second end cover connected to each other, the second bracket having a second polishing machine connection portion, a portion of the second bracket being located in the polishing machine, and the second end cover having a second workpiece connection portion; wherein both ends of the workpiece can be connected to the first end cover via the first workpiece connection portion, and connected to the second end cover via the second workpiece connection portion, so that the workpiece is suspended in the polishing machine.

[0006] Furthermore, the first supporting assembly and the second supporting assembly have the same structure.

[0007] Furthermore, the first support assembly also includes a connecting shaft, one end of which is connected to the first end cover, and the first bracket has a supporting portion, and the connecting shaft is overlapped on the supporting portion.

[0008] Furthermore, the first bracket includes a first connecting section, a supporting section and a second connecting section, both ends of the supporting section are respectively connected to the first connecting section and the second connecting section, the supporting part is arranged on the supporting section, and the first connecting section and the second connecting section are both provided with a first polishing machine connecting part.

[0009] Furthermore, the upper ends of the first connecting section and the second connecting section are both provided with a first polishing machine connecting portion, the supporting section is respectively connected to the lower end of the first connecting section and the lower end of the second connecting section, and the first connecting section, the supporting section and the second connecting section together form a limiting groove of the limiting connecting axis.

[0010] Furthermore, the first supporting assembly also includes an anti-vibration ball head which is arranged at the other end of the connecting shaft and can abut against the inner wall of the polishing machine.

[0011] Furthermore, a threaded hole is provided at the other end of the connecting shaft, and an anti-channeling ball head is provided in the threaded hole and is threadedly connected to the connecting shaft.

[0012] Furthermore, one end of the connecting shaft is provided with an external thread, the first end cover is provided with a threaded hole, the connecting shaft passes through the first end cover and is threadedly connected to the first end cover.

[0013] Furthermore, the first polishing machine connecting part includes a pin hole, and the first supporting assembly also includes a connecting pin, which is passed through the pin hole and connected to the polishing machine; and / or, the first workpiece connecting part includes a connecting hole, and the first supporting assembly also includes a connecting bolt, which is passed through the connecting hole and connected to the workpiece.

[0014] According to another aspect of the present invention, a polishing machine is provided, comprising: a machine body; and a protective assembly arranged on the machine body, the protective assembly being the protective assembly provided above.

[0015] By applying the technical solution of the present invention, the protection assembly includes a first support assembly and a second support assembly. The first polishing machine connection portion is used to connect the first support assembly to the polishing machine, and the first workpiece connection portion is used to connect the workpiece to the first end cover. The second polishing machine connection portion is used to connect the second support assembly to the polishing machine, and the second workpiece connection portion is used to connect the workpiece to the second end cover. The workpiece can be suspended in the polishing machine by the first support assembly and the second support assembly for polishing. Since the workpiece is suspended in the polishing machine by the first support assembly and the second support assembly, the workpiece can be prevented from contacting the inner wall of the polishing machine, thereby preventing the abrasive from squeezing the workpiece, and will not cause bumps to the workpiece, so that the polishing effect of the workpiece is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 A schematic structural diagram of a polishing machine provided according to an embodiment of the present invention is shown;

[0018] Figure 2 A top view of a polishing machine provided according to an embodiment of the present invention is shown.

[0019] The above drawings include the following reference numerals:

[0020] 10. First support assembly; 11. First bracket; 111. First polishing machine connection part; 112. First connection section; 113. Support section; 114. Second connection section; 12. First end cover; 13. Connecting shaft; 14. Anti-channeling ball head;

[0021] 20. Second support assembly; 21. Second bracket; 211. Second polishing machine connection portion; 22. Second end cover;

[0022] 30. Body. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] like Figure 1 and Figure 2 As shown, an embodiment of the present invention provides a protection component, which includes a first support component 10 and a second support component 20. The first support component 10 includes a first bracket 11 and a first end cover 12 connected to each other, the first bracket 11 has a first polishing machine connecting portion 111, a portion of the first bracket 11 is located in the polishing machine, and the first end cover 12 has a first workpiece connecting portion; the second support component 20 is spaced apart from the first support component 10, the second support component 20 includes a second bracket 21 and a second end cover 22 connected to each other, the second bracket 21 has a second polishing machine connecting portion 211, a portion of the second bracket 21 is located in the polishing machine, and the second end cover 22 has a second workpiece connecting portion; wherein, both ends of the workpiece can be connected to the first end cover 12 through the first workpiece connecting portion, and connected to the second end cover 22 through the second workpiece connecting portion, so that the workpiece is suspended in the polishing machine.

[0025] By applying the technical solution of the present invention, the protection assembly includes a first support assembly 10 and a second support assembly 20. The first polishing machine connection portion 111 is used to connect the first support 11 to the polishing machine, and the first workpiece connection portion is used to connect the workpiece to the first end cover 12. The second polishing machine connection portion 211 is used to connect the second support 21 to the polishing machine, and the second workpiece connection portion is used to connect the workpiece to the second end cover 22. The workpiece can be suspended in the polishing machine by the first support assembly 10 and the second support assembly 20 for polishing. Since the workpiece is suspended in the polishing machine by the first support assembly 10 and the second support assembly 20, the workpiece can be prevented from contacting the inner wall of the polishing machine, thereby preventing the abrasive from squeezing the workpiece, and will not cause bumps to the workpiece, so that the polishing effect of the workpiece is better.

[0026] The structure of the first support assembly 10 may be different from that of the second support assembly 20. In this embodiment, the first support assembly 10 and the second support assembly 20 have the same structure, which has the advantages of simple structure and easy processing.

[0027] In the related art, the use of spherical abrasives can reduce the scratches on the tooth surface, but it cannot completely avoid the scratches on the tooth surface, and the grinding efficiency of spherical abrasives is far less than that of triangular abrasives and cylindrical abrasives. Alternatively, finer abrasives are used to reduce the scratches on the tooth surface, but this method cannot completely avoid the scratches on the tooth surface and has low grinding efficiency. The protective component of this embodiment can ensure a high grinding efficiency without causing damage to the workpiece.

[0028] In this embodiment, the first end cover 12 and the second end cover 22 can respectively protect the two ends of the workpiece.

[0029] It should be noted that the first support assembly 10 and the second support assembly 20 are spaced apart at both ends of the workpiece along the axial direction of the workpiece. The protection assembly can not only suspend the workpiece in the polishing machine, but also protect the ends of the workpiece.

[0030] Furthermore, when the protective component is used to polish a gear shaft workpiece, it can avoid the uneven force on both ends of the gear shaft workpiece, and the scratches on the gear shaft part at the bottom caused by the contact between the abrasive and the polisher, and the protective component can avoid the poor polishing effect caused by the abrasive grains not being able to contact the parts due to mechanical interference. At the same time, the protective component is conducive to hoisting the workpiece.

[0031] like Figure 1As shown, the first support assembly 10 further includes a connecting shaft 13, one end of which is connected to the first end cover 12, and the first bracket 11 has a supporting portion, on which the connecting shaft 13 is overlapped. The first end cover 12 is connected by the connecting shaft 13, and the connecting shaft 13 is limited by the first bracket 11, which has the advantages of simple structure and easy installation.

[0032] In this embodiment, the workpiece is polished by abrasives. To facilitate the picking and placing of the workpiece, the connecting shaft 13 and the first bracket 11 are overlapped.

[0033] The second supporting assembly 20 also includes a connecting shaft 13 , which is connected to the second end cover 22 and overlapped on the second bracket 21 .

[0034] like Figure 1 As shown, the first bracket 11 includes a first connecting section 112, a supporting section 113 and a second connecting section 114. The two ends of the supporting section 113 are respectively connected to the first connecting section 112 and the second connecting section 114. The supporting portion is arranged on the supporting section 113. The first polishing machine connecting portion 111 is arranged on the first connecting section 112 and the second connecting section 114. The first bracket 11 adopting the above structure has the advantages of simple structure and easy processing.

[0035] The first connecting section 112 , the supporting section 113 and the second connecting section 114 are all manufactured by using a sheet-like structure.

[0036] Specifically, the polishing machine has a polishing cavity, and the first bracket 11 and the second bracket 21 extend into the polishing cavity. The first connecting section 112 and the second connecting section 114 have the same structure and are symmetrically arranged. The first connecting section 112 includes a transverse section, a bending section and a vertical section connected in sequence from top to bottom. The bending section is bent toward the inside of the polishing cavity, and the vertical section is located in the polishing cavity. The first polishing machine connecting portion 111 is arranged on the transverse section, and the lower end of the vertical section is connected to the end of the supporting section 113. By using the above-mentioned first connecting section 112, the first bracket 11 can be extended into the polishing cavity through a simple structure to suspend the workpiece.

[0037] like Figure 1 As shown, the upper ends of the first connecting section 112 and the second connecting section 114 are both provided with a first polishing machine connecting portion 111, the supporting section 113 is respectively connected to the lower end of the first connecting section 112 and the lower end of the second connecting section 114, and the first connecting section 112, the supporting section 113 and the second connecting section 114 together form a limiting groove for limiting the connecting shaft 13. With the above structure, the first bracket 11 can be used to limit the workpiece to prevent the workpiece from shaking too much during the polishing process.

[0038] The ratio between the size of the limiting groove and the outer diameter of the connecting shaft 13 can be between 0.7 and 0.9. The above size range can not only facilitate the connecting shaft 13 to escape from the limiting groove, but also limit the connecting shaft 13.

[0039] Specifically, the ratio between the size of the limiting groove and the outer diameter of the connecting shaft 13 can be 0.7, 0.8, 0.9, and any value between 0.7 and 0.9.

[0040] like Figure 1 As shown, the first support assembly 10 also includes an anti-slip ball head 14 disposed at the other end of the connecting shaft 13 and capable of abutting against the inner wall of the polishing machine. The anti-slip ball head 14 can be used to abut the connecting shaft 13 against the inner wall of the polishing machine, so that the workpiece will not move along its axial direction during the polishing process.

[0041] The connecting shaft 13 of the second supporting assembly 20 is also provided with an anti-vibration ball head 14 .

[0042] In this embodiment, a threaded hole is provided at the other end of the connecting shaft 13, and the anti-channeling ball head 14 is provided in the threaded hole and threadedly connected to the connecting shaft 13. The above-mentioned threaded connection structure has the advantages of simple structure and easy assembly.

[0043] The anti-channeling ball head 14 can be configured as a ball head structure with a certain elastic deformation capability.

[0044] Specifically, one end of the connecting shaft 13 is provided with an external thread, the first end cover 12 is provided with a threaded hole, and the connecting shaft 13 is passed through the first end cover 12 and is threadedly connected to the first end cover 12. The threaded connection structure has the advantages of simple structure and easy assembly.

[0045] In this embodiment, the connecting shaft 13 is connected to the central hole of the first end cover 12 , and the other connecting shaft 13 is connected to the central hole of the second end cover 22 .

[0046] like Figure 1 As shown, the first polishing machine connecting part 111 includes a pin hole, and the first supporting assembly 10 also includes a connecting pin, which is passed through the pin hole and connected to the polishing machine. By adopting the above structure, the first bracket 11 is connected to the polishing machine using the connecting pin, which has the advantages of simple structure and easy connection.

[0047] In other embodiments, the first bracket 11 may be connected to the polishing machine by other connection methods such as connecting bolts.

[0048] Specifically, the first workpiece connecting portion includes a connecting hole, and the first support assembly 10 also includes a connecting bolt, which is inserted into the connecting hole and connected to the workpiece. The method of connecting the first end cover 12 and the workpiece with the connecting bolt has the advantages of simple structure and easy connection.

[0049] In this embodiment, a lifting hole is provided at the end of the workpiece, and the connecting bolt is connected to the workpiece through the lifting hole.

[0050] Another embodiment of the present invention provides a polishing machine, which includes a machine body 30 and a protective assembly, wherein the protective assembly is arranged on the machine body 30, and the protective assembly is the protective assembly provided above. The above-mentioned polishing machine is applied, and the first bracket 11 is connected to the polishing machine by using the first polishing machine connection part 111, and the workpiece is connected to the first end cover 12 by using the first workpiece connection part, and the second bracket 21 is connected to the polishing machine by using the second polishing machine connection part 211, and the workpiece is connected to the second end cover 22 by using the second workpiece connection part. Then, the workpiece can be suspended in the polishing machine by the first support assembly 10 and the second support assembly 20 for polishing. Since the workpiece is suspended in the polishing machine by using the first support assembly 10 and the second support assembly 20, it is possible to avoid the workpiece from contacting the inner wall of the polishing machine, thereby avoiding the abrasive from squeezing the workpiece, and will not cause bumps to the workpiece, so that the polishing effect of the workpiece is better.

[0051] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0052] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0053] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the devices or elements referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention. The directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0054] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0055] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0056] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A protective component, characterized in that: The protection component comprises: A first support assembly (10) comprises a first bracket (11) and a first end cover (12) connected to each other, wherein the first bracket (11) has a first polishing machine connecting portion (111), a portion of the first bracket (11) is located in the polishing machine, and the first end cover (12) has a first workpiece connecting portion; a second support assembly (20) arranged at a distance from the first support assembly (10), the second support assembly (20) comprising a second bracket (21) and a second end cover (22) connected to each other, the second bracket (21) having a second polishing machine connecting portion (211), a portion of the second bracket (21) being located in the polishing machine, and the second end cover (22) having a second workpiece connecting portion; Wherein, both ends of the workpiece can be connected to the first end cover (12) through the first workpiece connecting portion, and connected to the second end cover (22) through the second workpiece connecting portion, so that the workpiece is suspended in the polishing machine.

2. The protection assembly according to claim 1, characterized in that: The first supporting assembly (10) and the second supporting assembly (20) have the same structure.

3. The protection assembly according to claim 1, characterized in that: The first support assembly (10) further comprises a connecting shaft (13), one end of which is connected to the first end cover (12); the first bracket (11) comprises a supporting portion, and the connecting shaft (13) is overlapped on the supporting portion.

4. The protection assembly according to claim 3, characterized in that: The first bracket (11) comprises a first connecting section (112), a supporting section (113) and a second connecting section (114); two ends of the supporting section (113) are respectively connected to the first connecting section (112) and the second connecting section (114); the supporting portion is arranged on the supporting section (113); and the first polishing machine connecting portion (111) is arranged on both the first connecting section (112) and the second connecting section (114).

5. The protection assembly according to claim 4, characterized in that: The upper ends of the first connecting section (112) and the second connecting section (114) are both provided with the first polishing machine connecting portion (111); the supporting section (113) is respectively connected to the lower ends of the first connecting section (112) and the lower ends of the second connecting section (114); the first connecting section (112), the supporting section (113) and the second connecting section (114) together form a limiting groove for supporting the connecting shaft (13).

6. The protection assembly according to claim 3, characterized in that: The first supporting assembly (10) further comprises an anti-vibration ball head (14) which is arranged at the other end of the connecting shaft (13) and is capable of abutting against the inner wall of the polishing machine.

7. The protection assembly according to claim 6, characterized in that: The other end of the connecting shaft (13) is provided with a threaded hole, and the anti-channeling ball head (14) is arranged in the threaded hole and is threadedly connected to the connecting shaft (13).

8. The protection assembly according to claim 3, characterized in that: One end of the connecting shaft (13) is provided with an external thread, the first end cover (12) is provided with a threaded hole, and the connecting shaft (13) passes through the first end cover (12) and is threadedly connected to the first end cover (12).

9. The protection assembly according to claim 1, characterized in that: The first polishing machine connecting portion (111) comprises a pin hole, and the first supporting assembly (10) further comprises a connecting pin, the connecting pin is inserted into the pin hole and connected to the polishing machine; and / or, The first workpiece connecting portion comprises a connecting hole, and the first supporting assembly (10) further comprises a connecting bolt, wherein the connecting bolt is passed through the connecting hole and connected to the workpiece.

10. A polishing machine, characterized in that: The polishing machine comprises: Body (30); A protection component is arranged on the machine body (30), and the protection component is the protection component according to any one of claims 1 to 9.