Servo electric cylinder propelling structure
By employing a rolling connection between the ball bearing and the piston sleeve, along with a heat dissipation fin design in the servo electric cylinder, the temperature rise problem caused by friction between the piston rod and the cylinder body is solved, thereby improving the stability and durability of the servo electric cylinder.
Patent Information
- Application Number
- CN202520123732.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-20
AI Technical Summary
During long-term continuous operation, the friction between the piston rod and the inner wall of the cylinder causes internal heating, increasing wear and affecting operational stability.
The design employs a rolling connection between the ball bearings and the piston sleeve, combined with an annular liquid channel and heat dissipation fins to reduce friction and heat generation. The ball bearings are lubricated with a lubricant, and the heat dissipation fins further enhance heat dissipation.
This effectively reduces friction and heat generation in the servo electric cylinder, improving operational stability and lifespan.
Smart Images
Figure CN223758107U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to servo motor cylinder technical field, concretely relates to a servo motor cylinder propulsion structure. BACKGROUND
[0002] Servo motor cylinder is a kind of device that the rotation of servo motor is converted into linear motion, it combines motor and transmission mechanism, can accurately control position, speed and strength, servo motor cylinder is widely used in industrial automation, can be used for the positioning of various mechanical equipment, lifting, push-pull etc.
[0003] Servo motor cylinder is driven screw or ball screw by motor, and rotation is converted into linear motion, it is usually composed of motor, speed reducer, sensor and controller. This integrated design enables servo motor cylinder to accurately and reliably control the movement of actuator, so as to realize various operations in automation system.
[0004] During long-time continuous working process of servo motor cylinder, piston post reciprocates in cylinder body, piston post and cylinder body inner wall rub for a long time, which causes servo cylinder internal temperature rise, increases servo cylinder wear, and affects the stability of servo motor cylinder work, therefore, we propose a servo motor cylinder propulsion structure. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a servo motor cylinder propulsion structure to solve the above-mentioned shortcomings in the prior art.
[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a servo motor cylinder propulsion structure, including fixed box, the inner part of fixed box is respectively equipped with first synchronous wheel and second synchronous wheel, the outer wall of first synchronous wheel and second synchronous wheel is sleeved with synchronous belt, the top one side outer wall of fixed box is installed with vertical upward motor cylinder body, the second synchronous wheel is fixed with vertical upward screw rod through pivot, the screw rod is located in the inner wall of motor cylinder body, the outer wall of screw rod is screwed with piston sleeve, the top outer wall of piston sleeve is sleeved with output shaft, the inner wall of motor cylinder body is opened with annular equidistance distribution recess, the inner wall of recess is embedded with ball, the outer wall of ball is connected with the outer wall of piston sleeve and rolls.
[0007] Preferably, the top one side outer wall of fixed box is fixed with speed reducer, the top outer wall of speed reducer is fixed with servo motor, the output end of servo motor is connected with the input end of speed reducer, the output end of speed reducer is connected with first synchronous wheel through pivot, the output shaft of servo motor can drive speed reducer to work, and the output end of speed reducer drives first synchronous wheel to rotate.
[0008] Preferably, the electric cylinder body is provided with a guide hole at one end of the top, the inner wall of the guide hole is in sliding connection with the outer wall of the output shaft, the outer wall of the output shaft is provided with two vertical guide grooves, the inner wall of the guide hole is fixedly provided with two sliding blocks, and the outer wall of the sliding block is in sliding connection with the inner wall of the guide groove, so that the output shaft is guided to ascend and descend on the inner wall of the guide hole.
[0009] Preferably, the output shaft is fixedly provided with a fixing ring at one end of the top.
[0010] Preferably, the top wall of the fixing box is provided with an annular liquid guiding channel, the bottom inner wall of the annular liquid guiding channel is provided with columnar liquid guiding channels vertically downwardly and equidistantly distributed, the side wall of the columnar liquid guiding channel is provided with capillary holes equidistantly distributed, and the capillary holes are in communication with the inner wall of the groove.
[0011] Preferably, the electric cylinder body is provided with a liquid adding hole at one side of the top, the liquid adding hole is in communication with the annular liquid guiding channel, one end of the liquid adding hole is provided with an externally-threaded liquid adding pipe, and the outer wall of the externally-threaded liquid adding pipe is screwed with an internally-threaded sealing cover.
[0012] Preferably, the electric cylinder body is provided with heat dissipation fins equidistantly distributed on the outer wall of the periphery, and the heat dissipation fins are favorable for improving the heat dissipation effect of the electric cylinder body.
[0013] In the above technical solution, the technical effect and advantages of the electric cylinder body provided by the utility model are as follows:
[0014] The groove is formed in the inner wall of the electric cylinder body, the rolling ball is mounted on the inner wall of the groove, and the outer wall of the piston sleeve rolls with the rolling ball, so that the friction between the piston sleeve and the electric cylinder body is greatly reduced, the heat generated in the working process of the servo electric cylinder is greatly reduced, the wear of the servo electric cylinder is reduced, and the stability of the servo electric cylinder is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained by those skilled in the art according to these drawings.
[0016] Figure 1 It is a perspective structural schematic view of the servo electric cylinder pushing structure of the utility model;
[0017] Figure 2 It is a positioning box cross-sectional structural schematic view of the servo electric cylinder pushing structure of the utility model;
[0018] Figure 3 It is an electric cylinder body cross-sectional structural schematic view of the servo electric cylinder pushing structure of the utility model.
[0019] Figure 4 A servo motor cylinder pushing structure's electric cylinder body cross section structure schematic view of the utility model;
[0020] Figure 5 A servo motor cylinder pushing structure's electric cylinder body cross section structure schematic view of the utility model; Figure 4 A servo motor cylinder pushing structure's electric cylinder body cross section structure schematic view of the utility model;
[0021] Figure 6 A servo motor cylinder pushing structure's electric cylinder body cross section structure schematic view of the utility model;
[0022] Figure 7 A servo motor cylinder pushing structure's electric cylinder body cross section structure schematic view of the utility model; Figure 6 A servo motor cylinder pushing structure's electric cylinder body cross section structure schematic view of the utility model.
[0023] BRIEF DESCRIPTION OF DRAWINGS
[0024] 1 fixed box, 2 speed reducer, 3 servo motor, 4 electric cylinder body, 5 first synchronous wheel, 6 second synchronous wheel, 7 synchronous belt, 8 screw rod, 9 piston sleeve, 10 output shaft, 11 guide slot, 12 guide hole, 13 sliding block, 14 recess, 15 ball, 16 annular liquid guide channel, 17 columnar liquid guide channel, 18 capillary hole, 19 liquid filling hole, 20 external thread liquid filling pipe, 21 internal thread sealing cover, 22 heat dissipation fin, 23 fixed ring. DETAILED DESCRIPTION
[0025] In the following, a plurality of embodiments of the present application will be described with reference to the drawings. For the purpose of clear illustration, many details of the embodiments will be described in the following description. However, it should be understood that these details are not intended to limit the present application. That is, in some embodiments of the present application, these details are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be shown in the drawings in a simple schematic manner.
[0026] In addition, in the present application, the description such as "first", "second", etc. is only for the purpose of description, and does not mean to particularly indicate the order or sequence, nor to limit the present application. It is merely for the purpose of distinguishing components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the technical features indicated, or implying the number of technical features indicated. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the person skilled in the art. When the combination of technical solutions appears to be contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.
[0027] Example 1
[0028] Refer to the instruction manual appendix Figures 1-7 A servo electric cylinder propulsion structure includes a fixed box 1. The fixed box 1 is equipped with a first synchronous wheel 5 and a second synchronous wheel 6. The outer walls of the first synchronous wheel 5 and the second synchronous wheel 6 are sleeved with synchronous belts 7. A vertically upward electric cylinder body 4 is installed on the top outer wall of the fixed box 1. A vertically upward lead screw 8 is fixed to the second synchronous wheel 6 through a rotating shaft. The lead screw 8 is located on the inner wall of the electric cylinder body 4. A piston sleeve 9 is screwed to the outer wall of the lead screw 8. An output shaft 10 is sleeved on the top outer wall of the piston sleeve 9. The inner wall of the electric cylinder body 4 has grooves 14 that are evenly distributed in an annular pattern. The inner wall of the grooves 14 is embedded with balls 15. The outer wall of the balls 15 is in rolling connection with the outer wall of the piston sleeve 9.
[0029] Example 2
[0030] Based on Embodiment 1, a reducer 2 is fixedly installed on the outer wall of the top side of the fixed box 1, and a servo motor 3 is fixedly installed on the outer wall of the top of the reducer 2. The output end of the servo motor 3 is connected to the input end of the reducer 2, and the output end of the reducer 2 is connected to the first synchronous wheel 5 through a rotating shaft. The output shaft of the servo motor 3 can drive the reducer 2 to work, and the output end of the reducer 2 drives the first synchronous wheel 5 to rotate.
[0031] Example 3
[0032] Based on Embodiment 1, the top end of the electric cylinder 4 has a guide hole 12. The inner wall of the guide hole 12 is slidably connected to the outer wall of the output shaft 10. The outer wall of the output shaft 10 has two vertical guide grooves 11. The inner wall of the guide hole 12 is fixedly provided with two sliders 13. The outer wall of the sliders 13 is slidably connected to the inner wall of the guide grooves 11, which facilitates guiding the output shaft 10 to rise and fall on the inner wall of the guide hole 12. The top end of the output shaft 10 is fixedly provided with a fixing ring 23.
[0033] Example 4
[0034] Based on Embodiment 1, the top wall of the fixed box 1 has an annular liquid guiding channel 16, the bottom inner wall of the annular liquid guiding channel 16 has vertically downward columnar liquid guiding channels 17 distributed at equal intervals, the side wall of the columnar liquid guiding channel 17 has capillary holes 18 distributed at equal intervals, the capillary holes 18 are connected to the inner wall of the groove 14, the top side of the electric cylinder body 4 has a liquid filling hole 19, the liquid filling hole 19 is connected to the annular liquid guiding channel 16, one end of the liquid filling hole 19 is installed with an external thread liquid filling pipe 20, the outer wall of the external thread liquid filling pipe 20 is screwed with an internal thread sealing cap 21, and the outer walls of the electric cylinder body 4 are fixed with heat dissipation fins 22 distributed at equal intervals. The heat dissipation fins 22 help to improve the heat dissipation effect of this utility model.
[0035] The utility model discloses a working principle:
[0036] With reference to the description accompanying drawings Figures 1-7 The utility model uses, through the output shaft of servo motor 3 drive electric cylinder body 4 and work, the output of electric cylinder body 4 drive first synchronous pulley 5 and rotate, and first synchronous pulley 5 drive second synchronous pulley 6 rotate through synchronous belt 7, and second synchronous pulley 6 drive screw rod 8 rotate, and screw rod 8 drive piston sleeve 9 go up and down on the inner wall of electric cylinder body 4, and then push output shaft 10 and stretch out and shrink, through the recess 14 of electric cylinder body 4 inner wall, the ball 15 of recess 14 inner wall installation and the outer wall rolling of piston sleeve 9, greatly reduce piston sleeve 9 and the friction of electric cylinder body 4, greatly reduce the heat generated in the working process of servo electric cylinder, reduce the wear and tear of servo electric cylinder, avoid the influence servo electric cylinder work's stability, the utility model long -time use, will lubricant through syringe and outer thread liquid feeding pipe 20 and butt joint, lubricant is input to annular liquid passage 16 through liquid hole 19, and the lubricant in annular liquid passage 16 is injected into recess 14 through columnar liquid passage 17 and capillary hole 18, lubricates ball 15, further reduce frictional resistance, reduce the temperature generated in the working of the utility model, cooperate with the heat dissipation fin 22 of electric cylinder body 4 outer wall set up simultaneously, increase the heat dissipation effect of the utility model.
[0037] The above only describes some exemplary embodiments of the utility model through the description mode, undoubtedly, for ordinary skilled person in the art, can modify the described embodiment in various different ways without deviating from the spirit and scope of the utility model. Therefore, the above drawing and description are illustrative in nature and should not be understood as limiting the scope of protection claimed by the utility model.
Claims
1. A servo motor cylinder propulsion structure comprising a fixed box (1), characterized in that: The inner part of the fixed box (1) is respectively provided with a first synchronous wheel (5) and a second synchronous wheel (6), the outer wall of the first synchronous wheel (5) and the second synchronous wheel (6) is sleeved with a synchronous belt (7), one side of the top of the fixed box (1) is provided with an electric cylinder (4) vertically upwards, the second synchronous wheel (6) is fixedly provided with a vertical upward lead screw (8) through the rotating shaft, the lead screw (8) is located in the inner wall of the electric cylinder (4), the outer wall of the lead screw (8) is screwed with a piston sleeve (9), the top outer wall of the piston sleeve (9) is sleeved with an output shaft (10), the inner wall of the electric cylinder (4) is opened into a recess (14) which is annularly and equidistantly distributed, the inner wall of the recess (14) is embedded with a ball (15), the outer wall of the ball (15) is in rolling connection with the outer wall of the piston sleeve (9).
2. A servo motor cylinder propulsion structure according to claim 1, characterized in that: The top of the fixed box (1) is fixedly provided with a reducer (2), the top of the reducer (2) is fixedly provided with a servo motor (3), the output end of the servo motor (3) is connected with the input end of the reducer (2), the output end of the reducer (2) is connected with the first synchronous wheel (5) through the rotating shaft.
3. A servo motor cylinder pusher structure according to claim 1, wherein: The top of the electric cylinder (4) is opened into a guide hole (12), the inner wall of the guide hole (12) is in sliding connection with the outer wall of the output shaft (10), the outer wall of the output shaft (10) is opened into two vertical guide grooves (11), the inner wall of the guide hole (12) is fixedly provided with two sliding blocks (13), the outer wall of the sliding block (13) is in sliding connection with the inner wall of the guide groove (11).
4. A servo motor cylinder thrust structure according to claim 1, wherein: The top of the output shaft (10) is fixedly provided with a fixed ring (23).
5. A servo motor cylinder pusher structure according to claim 1, wherein: The inner wall of the top wall of the fixed box (1) is opened into an annular liquid guiding channel (16), the bottom inner wall of the annular liquid guiding channel (16) is opened into equidistantly distributed vertical downward cylindrical liquid guiding channels (17), the side wall of the cylindrical liquid guiding channel (17) is opened into equidistantly distributed capillary holes (18), the capillary holes (18) are in communication with the inner wall of the recess (14).
6. A servo motor cylinder pusher structure according to claim 5, wherein: The top of the electric cylinder (4) is opened into a liquid adding hole (19), the liquid adding hole (19) is in communication with the annular liquid guiding channel (16), one end of the liquid adding hole (19) is mounted with an externally threaded liquid adding pipe (20), the outer wall of the externally threaded liquid adding pipe (20) is screwed with an internally threaded sealing cover (21).
7. A servo motor cylinder pusher structure according to claim 1, wherein: The outer wall of the electric cylinder (4) is fixedly provided with equidistantly distributed heat dissipation fins (22).