Precise control type servo electric cylinder

By introducing multiple sealing and protection structures into the servo electric cylinder, the problems of seal leakage, noise and heat management are solved, achieving effective lubricant delivery, noise reduction and heat dissipation, thus improving the performance and lifespan of the servo electric cylinder.

CN223613132UActive Publication Date: 2025-11-28苏州百力乐工业自动化有限公司
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Patent Information

Application Number
CN202422930017.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-11-28
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

The existing sealing structure of servo electric cylinders is prone to leakage after long-term use, which affects performance and lifespan, and noise and heat are difficult to manage effectively.

Method used

It adopts a multi-layer sealing and protective structure, including a sealing ball, spring, sealing cover, noise reduction plate and heat dissipation window. The sealing ball and spring work together to achieve multiple seals, and the noise reduction plate and heat dissipation window are respectively used to reduce lubricant leakage and the spread of noise and heat.

Benefits of technology

It significantly reduces lubricant leakage, lowers maintenance costs, keeps the working environment clean, avoids excessive noise transmission, effectively dissipates heat, and extends the service life of the servo electric cylinder.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223613132U_ABST
Patent Text Reader

Abstract

The utility model discloses a precise control type servo electric cylinder which comprises a supporting seat and a base, a protection structure is arranged above the supporting seat, a movable rod is connected in the base in a sliding mode, the protection structure is connected above the base in a lap joint mode, one side of the supporting seat is connected with an electric cylinder body, a sealing structure is arranged above the electric cylinder body, and the sealing structure is connected with the movable rod in a lap joint mode. The sealing structure comprises a feeding pipe, a conveying pipe, a sleeve plate and a fixing column, a sealing cover is connected to the upper portion of the conveying pipe in a clamped mode, a plurality of liquid outlets are formed in the outer surface of the conveying pipe, and a sealing ball body is fixedly connected to the bottom end of the conveying pipe. According to the servo electric cylinder, the supporting base, the base, the sealing structure and the electric cylinder body are arranged, the servo electric cylinder can achieve the multiple sealing function on the feeding pipe through cooperation of the sealing ball body, the spring and the sealing cover, leakage of lubricating liquid can be remarkably reduced, the maintenance cost is reduced, the downtime is shortened, meanwhile, the work environment is kept clean, and the service life of the servo electric cylinder is prolonged. And the performance and the service life of the servo electric cylinder are guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric cylinder, concretely is a precision control type servo electric cylinder. BACKGROUND

[0002] With the rapid development of automation technology, the demand for high-precision, high-response control systems in industrial production, mechanical manufacturing, precision assembly and other fields is increasing, in these applications, as an execution component, servo electric cylinder has become an indispensable core component in more and more modern devices because it can accurately control position, speed and torque, especially in the scene involving precision positioning and high dynamic response, the performance of servo electric cylinder directly affects the efficiency and quality of the whole system, servo electric cylinder is equipped with high-precision sensors to detect the displacement change of the electric cylinder in real time. These sensors can feed back the position change of the electric cylinder to the controller, and adjust the output of the servo motor through PID control algorithm or other advanced control algorithm to ensure the accurate arrival of the target position, the servo electric cylinder is lubricated inside for a long time, the lubricating liquid is delivered to the inside through the lubricating port, however, the lubricating port in the servo electric cylinder is mostly sealed by a cover, this sealing method does not have multiple sealing effect, after long-term use, the sealing performance of the cover may decrease, causing the lubricating liquid to leak, affecting the performance and service life of the servo electric cylinder. SUMMARY

[0003] The utility model aims at providing a precision control type servo electric cylinder to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a precision control type servo electric cylinder, including support base and base, the top of support base is equipped with protection structure, the base is connected with moving rod slidingly, the protection structure is overlapped on the top of base, the side of support base is connected with electric cylinder body, the top of electric cylinder body is equipped with sealing structure, sealing structure includes feed pipe, conveying pipe, cover plate and fixed column, the top of conveying pipe is connected with sealing cover, the outer surface of conveying pipe is equipped with a plurality of liquid outlets, the bottom of conveying pipe is fixedly connected with sealing ball, the fixed column is sleeved with spring.

[0005] As a further preferred embodiment of the present technical solution, the moving rod is slidingly connected in the electric cylinder body, and the electric cylinder body is connected to one side of the base.

[0006] As a further preferred embodiment of the present technical solution, the feed pipe is fixedly connected to the top of the electric cylinder body, and the conveying pipe is slidingly connected in the feed pipe.

[0007] As a further preferred embodiment of the present technical solution, the fixed column is fixedly connected in the feed pipe, and the cover plate is fixedly connected to the outer surface of the conveying pipe.

[0008] As a further preferred of the technical solution, the sleeve plate is slidingly connected outside the fixed column, and the sleeve plate is connected in the feed pipe by a spring.

[0009] As a further preferred of the technical solution, the protection structure comprises a noise reduction plate, a bolt one and a bolt two, the bolt one is fixedly connected above the support seat, the bolt two is fixedly connected above the support seat, the bolt one is clamped in the noise reduction plate, and the bolt two is clamped in the noise reduction plate.

[0010] As a further preferred of the technical solution, the noise reduction plate is provided with a heat dissipation window, the noise reduction plate is overlapped above the base, the noise reduction plate is overlapped above the support seat, the bolt one is externally threadedly connected with a nut, and the nut is overlapped with the noise reduction plate.

[0011] The utility model provides a kind of precision control type servo electric cylinder, with following beneficial effects:

[0012] (1) the utility model discloses a support seat, base, sealing structure and electric cylinder body are set, after the sealing cover is split with conveying pipe, it is pushed, conveying pipe will drive sealing ball body to slide in feed pipe, sleeve plate will drive spring to occur deformation when moving on the surface of fixed column, sealing ball body and liquid outlet will be moved to appropriate position, lubricating liquid is transported by conveying pipe, and lubricating liquid will flow into the inside of electric cylinder body by liquid outlet, the cooperation between the sealing ball body, spring and sealing cover of the servo electric cylinder, the function of multiple sealing can be played to feed pipe, the leakage of lubricating liquid can be significantly reduced, maintenance cost and downtime are reduced, the working environment is kept clean, and the performance and life of the servo electric cylinder are guaranteed.

[0013] (2) the utility model discloses a protection structure, and the noise reduction plate is overlapped above support seat and base, and the noise reduction plate is inserted with bolt one and bolt two, when the noise reduction plate is overlapped above support seat and base, bolt one is connected with nut to fix the position of noise reduction plate, so that the noise reduction plate can carry out noise reduction treatment to electric cylinder body in operation, avoid excessive propagation of noise when electric cylinder body is used, and the internal heat can be discharged through heat dissipation window. ACCURATE DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is the protection structure explosion structure schematic diagram of the utility model;

[0016] Figure 3 It is the protection structure of the utility model; Figure 1 It is the enlarged structure schematic diagram of A place in the utility model;

[0017] Figure 4 It is a sectional structure schematic view of the sealing structure of the utility model;

[0018] In the figure: 1, support seat; 2, base; 3, moving rod; 4, protective structure; 401, noise reduction plate; 402, bolt one; 403, heat dissipation window; 404, nut; 405, bolt two; 5, sealing structure; 501, feed pipe; 502, conveying pipe; 503, sealing ball; 504, liquid outlet; 505, cover plate; 506, fixed column; 507, spring; 508, sealing cover; 6, electric cylinder body. DETAILED DESCRIPTION

[0019] 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.

[0020] The utility model provides technical schemes: Figure 1 And Figure 4 As shown in the figure, in the embodiment, a precision control type servo electric cylinder comprises a support seat 1 and a base 2, the upper portion of the support seat 1 is provided with a protective structure 4, the base 2 is slidably connected with a moving rod 3, the protective structure 4 is overlapped on the upper portion of the base 2, one side of the support seat 1 is connected with an electric cylinder body 6, the upper portion of the electric cylinder body 6 is provided with a sealing structure 5, the sealing structure 5 comprises a feed pipe 501, a conveying pipe 502, a cover plate 505 and a fixed column 506, the upper portion of the conveying pipe 502 is clamped with a sealing cover 508, the outer surface of the conveying pipe 502 is provided with a plurality of liquid outlets 504, the bottom end of the conveying pipe 502 is fixedly connected with a sealing ball 503, and the fixed column 506 is sleeved with a spring 507.

[0021] As shown in the figure, Figure 1 And Figure 3 The moving rod 3 is slidably connected in the electric cylinder body 6, the electric cylinder body 6 is connected on one side of the base 2, the protective structure 4 comprises a noise reduction plate 401, a bolt one 402 and a bolt two 405, the bolt one 402 is fixedly connected on the upper portion of the support seat 1, the bolt two 405 is fixedly connected on the upper portion of the support seat 1, the bolt one 402 is clamped in the noise reduction plate 401, the bolt two 405 is clamped in the noise reduction plate 401, the noise reduction plate 401 is provided with a heat dissipation window 403, the noise reduction plate 401 is overlapped on the upper portion of the base 2, the noise reduction plate 401 is overlapped on the upper portion of the support seat 1, the bolt one 402 is externally threadedly connected with a nut 404, and the nut 404 is overlapped with the noise reduction plate 401.

[0022] By setting the protection structure 4, the noise reduction plate 401 is overlapped on the support seat 1 and the base 2, and the noise reduction plate 401 is inserted with the bolt one 402 and the bolt two 405, when the noise reduction plate 401 is overlapped on the support seat 1 and the base 2, the bolt one 402 is connected with the nut 404 to fix the position of the noise reduction plate 401, so that the noise reduction plate 401 can reduce the noise of the electric cylinder body 6 in operation, and avoid the excessive spread of the noise of the electric cylinder body 6 in use, and the heat dissipation window 403 can discharge the internal heat.

[0023] As shown in Figure 4 The feeding pipe 501 is fixedly connected above the electric cylinder body 6, the conveying pipe 502 is slidably connected in the feeding pipe 501, the fixed column 506 is fixedly connected in the feeding pipe 501, the sleeve plate 505 is fixedly connected to the outer surface of the conveying pipe 502, the sleeve plate 505 is slidably connected outside the fixed column 506, and the sleeve plate 505 is connected in the feeding pipe 501 through the spring 507.

[0024] By setting the sealing ball 503, when the conveying pipe 502 is subjected to a pushing force, the sleeve plate 505 slides on the surface of the fixed column 506 and drives the spring 507 to deform, and when the conveying pipe 502 loses resistance, it is restored, and the sealing ball 503 is overlapped in the feeding pipe 501, so that the sealing ball 503 seals the connection between the feeding pipe 501 and the conveying pipe 502, to prevent dust from entering the feeding pipe 501 through the conveying pipe 502.

[0025] The utility model provides a kind of precision control type servo electric cylinder, and specific working principle is as follows:

[0026] When the servo electric cylinder is used, the noise reduction plate 401 can be overlapped on the support seat 1 and the base 2, and the noise reduction plate 401 is inserted with the bolt one 402 and the bolt two 405, when the noise reduction plate 401 is overlapped on the support seat 1 and the base 2, the bolt one 402 is connected with the nut 404 to fix the position of the noise reduction plate 401, the heat of the electric cylinder body 6 in operation can be discharged by the heat dissipation window 403, when the inside of the servo electric cylinder needs to be lubricated, the noise reduction plate 401 is first disassembled, and then the sealing cover 508 and the conveying pipe 502 are disassembled and subjected to a pushing force, the conveying pipe 502 drives the sealing ball 503 to slide in the feeding pipe 501, the sleeve plate 505 moves on the surface of the fixed column 506 and drives the spring 507 to deform, the sealing ball 503 and the liquid outlet 504 are moved to appropriate positions, the lubricating liquid is conveyed by the conveying pipe 502, and the lubricating liquid flows into the inside of the electric cylinder body 6 by the liquid outlet 504.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A precision controlled servo cylinder comprising a support base (1) and a base (2), characterized in that: The upper side of the support seat (1) is provided with a protective structure (4), the base (2) is slidably connected with a moving rod (3), the protective structure (4) overlaps the upper side of the base (2), one side of the support seat (1) is connected with an electric cylinder body (6), the upper side of the electric cylinder body (6) is provided with a sealing structure (5), the sealing structure (5) comprises a feeding pipe (501), a conveying pipe (502), a cover plate (505) and a fixing column (506), the upper side of the conveying pipe (502) is clamped with a sealing cover (508), a plurality of liquid outlets (504) are formed in the outer surface of the conveying pipe (502), the bottom end of the conveying pipe (502) is fixedly connected with a sealing ball (503), the fixing column (506) is sleeved with a spring (507).

2. The precision controlled servo cylinder of claim 1, wherein: The moving rod (3) is slidably connected in the electric cylinder body (6), and the electric cylinder body (6) is connected to one side of the base (2).

3. The precision controlled servo cylinder of claim 1, wherein: The feeding pipe (501) is fixedly connected to the upper side of the electric cylinder body (6), and the conveying pipe (502) is slidably connected in the feeding pipe (501).

4. The precision controlled servo cylinder of claim 1, wherein: The fixing column (506) is fixedly connected in the feeding pipe (501), and the cover plate (505) is fixedly connected to the outer surface of the conveying pipe (502).

5. The precision controlled servo cylinder of claim 1, wherein: The cover plate (505) is slidably connected outside the fixing column (506), and the cover plate (505) is connected in the feeding pipe (501) through the spring (507).

6. The precision controlled servo cylinder of claim 1, wherein: The protective structure (4) comprises a noise reduction plate (401), a bolt one (402) and a bolt two (405), the bolt one (402) is fixedly connected to the upper side of the support seat (1), the bolt two (405) is fixedly connected to the upper side of the support seat (1), the bolt one (402) is clamped in the noise reduction plate (401), and the bolt two (405) is clamped in the noise reduction plate (401).

7. The precision controlled servo cylinder of claim 6, wherein: The noise reduction plate (401) is provided with a heat dissipation window (403), the noise reduction plate (401) overlaps the upper side of the base (2), the noise reduction plate (401) overlaps the upper side of the support seat (1), the bolt one (402) is externally threadedly connected with a nut (404), and the nut (404) overlaps the noise reduction plate (401).