Novel mechanical main shaft

By installing a detachable spindle spring on the outside of the mechanical spindle and adding a flocked layer and a corrosion-resistant layer, the problems of inflexible elastic adjustment and complex maintenance in the traditional disc design are solved, achieving efficient spindle installation, noise reduction and extended service life.

CN223902937UActive Publication Date: 2026-02-13GUANGZHOU SHENGMAO HARDWARE PRODUCTS CO LTD
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Patent Information

Application Number
CN202520573158.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-29
Publication Date
2026-02-13
Estimated Expiration
2035-03-29

AI Technical Summary

Technical Problem

The disc design of traditional mechanical spindles makes it difficult to precisely adjust the elastic coefficient, resulting in inflexible elastic adjustment. Furthermore, when the discs are damaged, the entire device needs to be disassembled for repair, which affects the assembly efficiency and stability of the device.

Method used

A detachable spindle spring is fitted on the outside of the spindle, and a flocking layer and a corrosion-resistant layer are set on its outer surface. The spindle spring is detachably wound around the outside of the spindle body. The spring material is 55SiCr and 60Si2Mn, the flocking layer thickness is 0.17mm, and it is made of nylon. An epoxy resin corrosion-resistant layer is sprayed on the outer surface.

Benefits of technology

It improves the vibration resistance of the mechanical spindle, reduces noise, extends service life, reduces maintenance costs and downtime, and enhances the stability and reliability of the device.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223902937U_ABST
    Figure CN223902937U_ABST
Patent Text Reader

Abstract

The utility model belongs to the field of mechanical main shafts and provides a novel mechanical main shaft which comprises a main shaft body, a first mounting block is fixedly mounted on the outer side of the main shaft body, a second mounting block is fixedly mounted at the other end of the main shaft body, a main shaft spring is sleeved on the outer side of the main shaft, and the main shaft spring is detachably wound on the outer side of the main shaft body. Two ends of the main shaft spring are respectively connected with the side wall of the first mounting block and the side wall of the second mounting block; the spindle spring is arranged on the outer side of the spindle body in a sleeved mode, the spindle spring is detachably wound on the outer side of the spindle body, vibration generated in the mechanical operation process can be effectively absorbed and buffered through the design, noise is reduced in the friction process of the spring and a workpiece through the flocking layer, and the service life of the spring is prolonged. And meanwhile, the service life of the device can be prolonged through the arranged corrosion-resistant layer.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of mechanical main shaft, concretely speaking, a novel mechanical main shaft. BACKGROUND

[0002] In the field of mechanical main shaft, the traditional main shaft structure usually adopts the design of disc type, that is, a plurality of discs are sleeved on the outside of the main shaft one by one, this design can meet the elastic demand to a certain extent, but there are defects in the actual use process, because the number of discs needs to be adjusted according to the required elastic coefficient, and the traditional disc type structure is difficult to accurately control the number of sleeved discs, leading to the inaccuracy of the adjustment of the elastic coefficient, at the same time, when one of the discs is damaged, all the discs need to be disassembled for maintenance or replacement, which not only increases the complexity of maintenance, but also greatly reduces the assembly efficiency of the device. In addition, the frequent disassembly and installation process is complicated and time-consuming, which affects the service life and stability of the device, and brings great inconvenience to the user.

[0003] Therefore, the technical personnel in the art proposes a novel mechanical main shaft to solve the problems in the background art. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above technical problems, the utility model provides a novel mechanical main shaft to solve the problem that the disassembly and installation process of the main shaft in the prior art is complicated and time-consuming, which affects the service life and stability of the device.

[0005] A novel mechanical main shaft, comprising a main shaft body, a first mounting block is fixedly installed on the outside of the main shaft body, a second mounting block is fixedly installed on the other end of the main shaft body, a main shaft spring is sleeved on the outside of the main shaft, the main shaft spring is detachably wound on the outside of the main shaft body, and the two ends of the main shaft spring are connected with the side wall of the first mounting block and the side wall of the second mounting block respectively.

[0006] The outer surface of the main shaft spring is provided with a flocking layer.

[0007] Preferably, the main shaft spring is provided with a first spiral and a second spiral, and is uniformly sleeved on the outside of the main shaft body.

[0008] Preferably, the material of the main shaft spring is 55SiCr and 60Si2Mn.

[0009] Preferably, the surface of the flocking layer is provided with a plurality of evenly distributed fluffs, and the thickness of the fluff layer is 0.17mm.

[0010] Preferably, the material of the fluff is nylon.

[0011] Preferably, the inner side of the flocking layer is provided with a corrosion-resistant layer, which is an epoxy resin uniformly sprayed on the outer surface of the main shaft spring.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、The utility model discloses a main shaft spring is set up to the outside of the main shaft body, and the main shaft spring is detachably wound to the outside of the main shaft body, and this design can effectively absorb and buffer the vibration generated in the mechanical operation process, thereby improving the anti -shock performance of the main shaft of machinery, prolongs the service life of machinery, and the spring reduces noise in the friction process with the workpiece through the setting flocking layer, plays the role of noise reduction, and the service life of the device can be improved through the setting corrosion -resistant layer.

[0014] 2、The main shaft spring in the utility model is detachably wound to the outside of the main shaft body, and this design not only facilitates installation and removal, but also when the main shaft spring or flocking layer is worn or damaged, can be individually replaced, need not to replace the whole main shaft of machinery, and the maintenance cost and downtime are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the side view of the utility model;

[0017] Figure 3 It is the structure schematic diagram of the main shaft spring in the utility model;

[0018] Figure 4 It is the structure schematic diagram of the flocking layer in the utility model.

[0019] In the drawing:

[0020] 1, main shaft body;2, first mounting block;3, second mounting block;4, main shaft spring;5, flocking layer;6, first spiral coil;7, second spiral coil;8, pile;9, corrosion -resistant layer. DETAILED DESCRIPTION

[0021] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0022] Example one: as attached Figure 1 to attached Figure 4The utility model provides a novel mechanical main shaft, including main shaft body 1, the outside fixed mounting of main shaft body 1 has first mounting block 2, the other end threaded connection of main shaft body 1 has second mounting block 3, the outside of main shaft is equipped with main shaft spring 4, and main shaft spring 4 is detachably wound in the outside of main shaft body 1, and the both ends of main shaft spring 4 are connected with the side wall of first mounting block 2 and the side wall of second mounting block 3 respectively, through this setting, not only convenient installation and disassembly, and when main shaft spring 4 or flocking layer 5 appears abrasion or damage, can individually replace, need not replace entire mechanical main shaft, reduce maintenance cost and downtime.

[0023] The outer surface of the main shaft spring 4 is provided with a flocking layer 5. The flocking layer 5 reduces noise during the friction process between the spring and the workpiece, achieving the effect of noise reduction.

[0024] As can be seen from the above, during use, the main shaft spring 4 or the flocking layer 5 can be replaced individually without the need to replace the entire mechanical main shaft, thereby reducing maintenance costs and downtime. In addition, the outer surface of the main shaft spring 4 is provided with a flocking layer 5, which reduces noise during the friction process between the spring and the workpiece, achieving the effect of noise reduction.

[0025] In the second embodiment, the main shaft spring 4 is designed as a double helix, with a first helical coil 6 and a second helical coil 7. The two helical coils are evenly arranged on the outside of the main shaft body 1 in a balanced and symmetrical manner. This double helix design not only enhances the structural strength of the main shaft spring 4, but also makes it more efficient in absorbing and dispersing the vibration energy generated during mechanical operation.

[0026] Preferably, the material of the main shaft spring 4 is 55Si Cr and 60Si2Mn. The main shaft spring made of 5SiCr and 60Si2Mn has excellent wear resistance and can maintain stable performance during long-term and high-load mechanical operation, thereby prolonging the service life of the mechanical main shaft and better resisting external stress and deformation to ensure the stability and reliability of the mechanical main shaft.

[0027] Specifically, the surface of the flocking layer 5 is provided with a plurality of uniformly distributed flocking 8, the thickness of the flocking 8 layer is 0.17mm, the uniform distribution and accurate thickness of the flocking 8 layer can more effectively reduce the friction noise between the spring and the workpiece, improve the noise reduction effect, the fine flocking 8 can increase the contact area between the workpiece, provide better friction and stability, while reducing sliding and vibration, improve the comfort during use, the material of the flocking 8 is nylon, the flocking 8 of nylon material has high wear resistance, can maintain stable friction performance and appearance in a long period of use, prolong the service life of the mechanical spindle, the nylon material has good weather resistance and chemical stability, can adapt to various harsh environments, such as high temperature, humidity, etc., ensure the stability and reliability of the mechanical spindle, the inner side of the flocking layer 5 is provided with a corrosion-resistant layer 9, the corrosion-resistant layer 9 is epoxy resin, which is uniformly sprayed on the outer surface of the spindle spring 4, the epoxy resin corrosion-resistant layer 9 can effectively isolate the spindle spring 4 from the contact with the external corrosive environment, prolong the service life of the spindle spring 4, can protect the mechanical spindle from electrical interference and damage to a certain extent, improve the safety and reliability of the mechanical spindle.

[0028] As can be seen from the above, the double helix design not only enhances the structural strength of the spindle spring 4, but also makes it more efficient in absorbing and dispersing the vibration energy generated during mechanical operation, the uniform distribution and accurate thickness of the flocking 8 layer can more effectively reduce the friction noise between the spring and the workpiece, improve the noise reduction effect, the fine flocking 8 can increase the contact area between the workpiece, provide better friction and stability, while reducing sliding and vibration, improve the comfort during use, the material of the flocking 8 is nylon, the flocking 8 of nylon material has high wear resistance, can maintain stable friction performance and appearance in a long period of use, prolong the service life of the mechanical spindle.

[0029] The embodiments of the utility model are given for example and description, although the embodiments of the utility model have been shown and described above, it is understood that the above-mentioned embodiments are exemplary, and cannot be understood as the limitation of the utility model, and the ordinary skilled person in the art can change, modify, replace and deform the above-mentioned embodiments within the scope of the utility model.

[0030] In the description of the utility model, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features. The meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0031] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "connect" "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can pass through the indirect connection of intermediate medium, can be the communication of two elements or the interaction of two elements.For ordinary skilled in the art, the above terms can be understood according to the specific meaning of the utility model.

[0032] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "connect" "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can pass through the indirect connection of intermediate medium, can be the communication of two elements or the interaction of two elementsFor ordinary skilled in the art, the above terms can be understood according to the specific meaning of the utility model.

[0033] In the description of the specification, the description of the terms "one embodiment" "some embodiments" "example" "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model.In the specification, the illustrative description of the above terms is not necessarily for the same embodiment or example.And, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way.In addition, in the case of not mutually contradictory, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of different embodiments or examples.

[0034] The utility model discloses the embodiment figure in, only involve the structure of the disclosure embodiment, other structures can refer to the usual design, under the condition of not conflict, the same embodiment and different embodiments of the utility model can be combined mutually.

[0035] Although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or part of the technical features can be replaced, any modification, equivalent replacement, improvement, etc., made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A new mechanical spindle characterized by: The utility model provides a main shaft spring structure, including the main shaft body (1), the first mounting block (2) is fixedly installed to the outside of main shaft body (1), the second mounting block (3) is threadedly connected to the other end of main shaft body (1), the outside of main shaft is equipped with main shaft spring (4), and the main shaft spring (4) is detachably wound on the outside of main shaft body (1), and the both ends of main shaft spring (4) are connected with the side wall of first mounting block (2) and the side wall of second mounting block (3) respectively, The outer surface of the main shaft spring (4) is provided with a flocking layer (5).

2. A new mechanical spindle as claimed in claim 1, characterized in that: The main shaft spring (4) is provided with a first spiral coil (6) and a second spiral coil (7), and is uniformly sleeved on the outside of the main shaft body (1).

3. A novel mechanical spindle as claimed in claim 2, wherein: The material of the main shaft spring (4) is 55SiCr and 60Si2Mn.

4. A new mechanical spindle as claimed in claim 1, wherein: The surface of the flocking layer (5) is provided with a plurality of evenly distributed fluffs (8), and the thickness of the fluff (8) layer is 0.17mm.

5. A novel mechanical spindle as claimed in claim 4, wherein: The material of the fluff (8) is nylon.

6. A novel mechanical spindle as claimed in claim 5, wherein: The inner side of the flocking layer (5) is provided with a corrosion-resistant layer (9), which is an epoxy resin uniformly sprayed on the outer surface of the main shaft spring (4).