High-rigidity motorized spindle with turning instead of grinding
By designing a high-rigidity electric spindle with a transmission structure, protective structure, and heat dissipation fins, the problem of low efficiency of traditional electric spindles when machining ultra-hard surfaces has been solved, achieving high-efficiency and low-cost machining results.
Patent Information
- Application Number
- CN202520508801.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Traditional electric spindles are inefficient when machining ultra-hard surfaces, failing to meet the high precision and efficiency requirements of humanoid robots, and are also costly, affecting mass production.
A high-rigidity electric spindle for replacing grinding with turning has been designed, which includes a transmission structure, a protective structure and heat dissipation fins. The transmission structure improves processing efficiency, the protective structure ensures stability and protection, and the heat dissipation fins accelerate heat dissipation.
It improved parts processing efficiency, reduced costs, extended equipment lifespan, enhanced applicability and stability, and lowered maintenance costs.
Smart Images

Figure CN223848109U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric spindle technical field especially relates to a kind of high rigidity electric spindle of grinding with turning. BACKGROUND
[0002] The grinding processing efficiency of precision rotary parts is low, which leads to low production efficiency. To improve the accuracy and service life of humanoid robots, the bearing raceway requires high wear resistance and high smoothness, and the surface hardness of the part is usually above 60HRC. Domestic production lathes cannot meet the quality requirements for processing such super-hard surfaces, so grinding machines are needed for grinding finishing. Therefore, a high rigidity electric spindle for grinding with turning is used.
[0003] Traditional electric spindles are inconvenient to improve part processing efficiency, which hinders the reduction of humanoid robot production costs and the progress of mass production, resulting in low work efficiency during use. SUMMARY
[0004] The utility model aims to provide a kind of high rigidity electric spindle for grinding with turning, to solve the defects of the existing high rigidity electric spindle for grinding with turning that is inconvenient to improve part processing efficiency.
[0005] To solve the above technical problems, the utility model provides the following technical scheme: a high rigidity electric spindle for grinding with turning, comprising a mounting seat.
[0006] The inside of the mounting seat is penetrated by a shell, and the top of the shell is uniformly fixed with heat dissipation fins on both sides.
[0007] The inside of the shell is provided with a transmission structure, which comprises a rotor fixed in the inside of the shell, a main shaft body penetrating the inside of the rotor, and a stator fixed on the outside of the main shaft body.
[0008] The mounting seat is provided with a protective structure at both ends.
[0009] When using the device, the transmission structure is provided to improve the part processing efficiency of the device, thereby improving the work efficiency of the high rigidity electric spindle for grinding with turning during use. The protective structure is provided to facilitate the protection of the device, thereby improving the applicability of the high rigidity electric spindle for grinding with turning during use. The heat dissipation fins are provided to facilitate the heat dissipation of the device, thereby prolonging the service life of the high rigidity electric spindle for grinding with turning during use.
[0010] Preferably, the bottom of the mounting seat is uniformly penetrated by mounting holes on both sides. The mounting holes facilitate the installation of the mounting seat.
[0011] Preferably, the heat dissipation fins are symmetrically distributed on both sides of the top end of the shell, and the side view section of the heat dissipation fins is designed in a triangular shape. By designing one side of the top end of the heat dissipation fins in an arc shape, the heat dissipation fins are prevented from scratching the workers, and the surface area in contact with the air is greatly expanded under the action of the equidistant heat dissipation fins.
[0012] Preferably, the heat dissipation fins are symmetrically distributed on both sides of the top end of the shell, and the side view section of the heat dissipation fins is designed in a triangular shape. By designing one side of the top end of the heat dissipation fins in an arc shape, the heat dissipation fins are prevented from scratching the workers, and the surface area in contact with the air is greatly expanded under the action of the equidistant heat dissipation fins.
[0013] Preferably, the protection structure comprises a front end cover, a front bearing, a front dust cover, a rear end cover, a rear dust cover and a rear bearing, one end of the mounting seat is fixedly connected with the front end cover, the other end of the mounting seat is fixedly connected with the rear end cover, the front bearing is fixedly connected in the front end cover, the front dust cover is fixedly connected to the outer wall of the front end cover on one side of the front bearing, the rear bearing is fixedly connected in the rear end cover, and the rear dust cover is fixedly connected to the outer wall of the rear end cover on one side of the rear bearing. Under the action of the front bearing and the rear bearing, the main shaft body is supported, the main shaft body is kept stable during high-speed rotation, the front bearing and the rear bearing have high wear resistance and high smoothness, the friction and wear are reduced, the maintenance cost is reduced and the equipment efficiency is improved, under the action of the front dust cover and the rear dust cover, the impurities such as dust and chips are prevented from entering the inside of the main shaft body, the front bearing and the rear bearing are prevented from being affected by external impurities, and the service life of the front bearing and the rear bearing is prolonged.
[0014] Preferably, the outer side of the main shaft body abuts against the inner sides of the front bearing and the rear bearing. Under the action of the main shaft body, the hardness of the machinable material is increased from 45HRC to 62HRC, and the surface smoothness is reduced from Ra0.8mu to Ra0.15mu, which is improved by more than 2 levels.
[0015] Preferably, one end of the main shaft body extends to the outside of the front dust cover. The main shaft body realizes the performance of replacing the grinding machine, reduces the investment cost and processing cost of the grinding machine and other equipment required for mass production of humanoid robots, and greatly improves the part processing efficiency.
[0016] The high-rigidity electric spindle for replacing the grinding machine has the advantages that:
[0017] Through the transmission structure is provided, under the action of the main shaft body, the hardness of the machinable material is improved from 45HRC to 62HRC, and the surface finish is reduced from Ra0.8μm to Ra0.15μm, which is improved by more than 2 levels, the performance of the car is realized instead of grinding through the main shaft body, the investment cost and processing cost of the grinding machine and other equipment required for mass production of humanoid robots are reduced, the part processing efficiency is greatly improved, the function of the device is convenient to improve the part processing efficiency, thereby improving the working efficiency of the high rigidity electric spindle in use.
[0018] Through the protection structure is provided, under the action of the front bearing and the rear bearing, the main shaft body is supported, the main shaft body is kept stable when rotating at high speed, the front bearing and the rear bearing have high wear resistance and high smoothness requirements, which can reduce friction and wear, thereby reducing the maintenance cost and improving the equipment efficiency, under the action of the front dust cover and the rear dust cover, dust, cuttings and other impurities can be effectively prevented from entering the inside of the main shaft body, and the front bearing and the rear bearing are not affected by external impurities, the service life of the front bearing and the rear bearing is prolonged, the function of the device is convenient to protect, thereby improving the applicability of the high rigidity electric spindle in use.
[0019] Through the heat dissipation fin is provided, the top side of the heat dissipation fin is arc-shaped, which avoids scratching the staff, under the action of the equidistant heat dissipation fins, the surface area in contact with the air is greatly expanded, thereby improving the heat transfer efficiency, so that the heat can be transferred from the shell to the air faster, thereby accelerating the heat dissipation process, the function of the device is convenient for heat dissipation, thereby prolonging the service life of the high rigidity electric spindle in use. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a front view three-dimensional schematic view of the utility model;
[0021] Figure 2 It is a front view schematic diagram of the utility model;
[0022] Figure 3 It is a rear view three-dimensional schematic diagram of the utility model;
[0023] Figure 4 It is a top view schematic diagram of the utility model;
[0024] Figure 5 It is a side view sectional schematic diagram of the utility model.
[0025] The figure mark explanation: 1, mounting seat; 2, shell; 3, heat dissipation fin; 4, protection structure; 401, front end cover; 402, front bearing; 403, front dust cover; 404, rear end cover; 405, rear dust cover; 406, rear bearing; 5, transmission structure; 501, main shaft body; 502, rotor; 503, stator. DETAILED DESCRIPTION
[0026] The technical solutions 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0027] Please refer to Figures 1-5 The utility model provides a kind of high rigidity electric spindle with car instead of grinding, including mounting seat 1, the inside of mounting seat 1 is penetrated by shell 2, the both sides of the top of shell 2 are uniformly fixed with heat dissipation fin 3, the inside of shell 2 is provided with transmission structure 5, transmission structure 5 includes the rotor 502 fixed in the inside of shell 2, the inside of rotor 502 is penetrated by main shaft body 501, the outside of main shaft body 501 is fixed with stator 503, the outside of main shaft body 501 is in contact with the inside of front bearing 402 and rear bearing 406, one end of main shaft body 501 extends to the outside of front dust cover 403, the both sides of the bottom of mounting seat 1 are uniformly penetrated by mounting hole, heat dissipation fin 3 is symmetrically distributed on the both sides of the top of shell 2, the side view section of heat dissipation fin 3 is designed as triangle, heat dissipation fin 3 is equidistantly distributed on the top of shell 2, one side of the top of heat dissipation fin 3 is designed as arc.
[0028] Refer to Figure 1 And Figure 5 As shown in the drawings, under the action of main shaft body 501, the hardness of processable material is improved from 45HRC to 62HRC, and the surface finish is reduced from Ra0.8 μm to Ra0.15 μm, which is improved by more than 2 levels, the performance of grinding instead of turning is realized by main shaft body 501, the investment cost and processing cost of grinding machine and other equipment required for mass production of humanoid robot are reduced, and the part processing efficiency is greatly improved, one side of the top of heat dissipation fin 3 is designed as arc, to avoid scratching of heat dissipation fin 3 to workers, under the action of equidistant heat dissipation fin 3, the surface area in contact with air is greatly expanded, thereby improving the efficiency of heat transfer, so that heat can be transferred from shell 2 to air more quickly, thereby accelerating the heat dissipation process.
[0029] The mounting seat 1 is provided with a protection structure 4 at both ends, the protection structure 4 comprises a front end cover 401, a front bearing 402, a front dust cover 403, a rear end cover 404, a rear dust cover 405 and a rear bearing 406, the front end cover 401 is fixed at one end of the mounting seat 1, the other end of the mounting seat 1 is fixed with the rear end cover 404, the front bearing 402 is fixed in the front end cover 401, the front dust cover 403 is fixed on the outer wall of the front end cover 401 on one side of the front bearing 402, the rear bearing 406 is fixed in the rear end cover 404, and the rear dust cover 405 is fixed on the outer wall of the rear end cover 404 on one side of the rear bearing 406.
[0030] With reference to Figure 1 And Figure 3 When the main shaft body 501 works, under the action of the front bearing 402 and the rear bearing 406, the front bearing 402 and the rear bearing 406 play a role in supporting the main shaft body 501, and ensure that the main shaft body 501 remains stable when rotating at high speed, the front bearing 402 and the rear bearing 406 have high wear resistance and high smoothness requirements, which can reduce the friction and wear between the main shaft body 501 and the front bearing 402 and the rear bearing 406, thereby reducing the maintenance cost and improving the equipment efficiency, under the action of the front dust cover 403 and the rear dust cover 405, dust, cuttings and other impurities can be effectively prevented from entering the inside of the main shaft body 501, and the front bearing 402 and the rear bearing 406 are prevented from being affected by external impurities, thereby prolonging the service life of the front bearing 402 and the rear bearing 406.
[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and 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 high-rigidity electric spindle with vehicle instead of grinder, comprising a mounting seat (1); Its characterized in that: The inside of the mounting seat (1) is penetrated by a shell (2), and the top of the shell (2) is uniformly provided with heat dissipation fins (3) on both sides; The inside of the shell (2) is provided with a transmission structure (5), the transmission structure (5) comprises a rotor (502) fixed in the inside of the shell (2), the inside of the rotor (502) is penetrated by a spindle body (501), and the outer side of the spindle body (501) is fixed with a stator (503); Both ends of the mounting seat (1) are provided with protection structures (4).
2. The high-rigidity motorized spindle with vehicle instead of grinder according to claim 1, characterized in that: Both sides of the bottom of the mounting seat (1) are uniformly penetrated by mounting holes.
3. The high-rigidity motorized spindle with vehicle instead of grinder according to claim 1, characterized in that: The heat dissipation fins (3) are symmetrically distributed on both sides of the top of the shell (2), and the side view section of the heat dissipation fins (3) is designed in a triangular shape.
4. The high-rigidity motorized spindle with vehicle instead of grinder according to claim 1, characterized in that: The heat dissipation fins (3) are equidistantly distributed on the top of the shell (2), and one side of the top of the heat dissipation fins (3) is designed in an arc shape.
5. The high-rigidity motorized spindle with vehicle instead of grinder according to claim 1, characterized in that: The protection structure (4) comprises a front end cover (401), a front bearing (402), a front dust cover (403), a rear end cover (404), a rear dust cover (405) and a rear bearing (406), the front end cover (401) is fixed at one end of the mounting seat (1), the other end of the mounting seat (1) is fixed with the rear end cover (404), the inside of the front end cover (401) is fixed with the front bearing (402), the outer wall of one side of the front end cover (401) is fixed with the front dust cover (403), the inside of the rear end cover (404) is fixed with the rear bearing (406), and the outer wall of one side of the rear end cover (404) is fixed with the rear dust cover (405).
6. The high-rigidity motorized spindle with vehicle instead of grinder according to claim 5, characterized in that: The outer side of the spindle body (501) is in abutment with the inner sides of the front bearing (402) and the rear bearing (406).
7. A high-rigidity motorized spindle in place of grinding machine according to claim 5, characterized in that: One end of the spindle body (501) extends to the outside of the front dust cover (403).