Sliding base of servo motor
By using an innovative connection method for the servo motor sliding base and a combination design of positioning rings and pulleys, the problem of cumbersome assembly in existing technologies is solved, achieving simplified assembly and improved stability and heat dissipation.
Patent Information
- Application Number
- CN202520568412.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2035-03-28
AI Technical Summary
In existing linear modules, the connection between the base and the mounting base, as well as the connection between the mounting base and the sliding components, are carried out separately during grinding, resulting in cumbersome assembly steps.
The servo motor sliding base uses positioning rings on both sides of the base to connect with the support plate by screws. The pulley is fixed by bearings, screw rods and pressure caps to form a stable connection. The base, support plate and pulley are connected in series by the same screw, and the guide ring is used for pre-positioning, which simplifies the assembly process.
The number of screws was reduced, the assembly steps were shortened, the structural simplicity and ease of assembly were improved, and the stability of the base and the heat dissipation of the servo motor were enhanced.
Smart Images

Figure CN223978502U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of motor technology, and relates to a servo motor, and more particularly to a servo motor sliding base. Background Technology
[0002] A servo motor linear module is a high-precision linear motion device that integrates servo motor drive and is widely used in the field of industrial automation.
[0003] The structure of an existing linear module, such as the direct-drive ball screw linear module disclosed in the Chinese Patent Database (application number: 202410177356.6), includes a base. A first anti-collision plate is bolted to the front end of the base, and a second anti-collision plate is bolted to the rear end of the base. A servo motor is bolted to the middle of the outer wall of the front end of the first anti-collision plate. A first bearing seat is bolted to the front end of the inner bottom surface of the base, and a coupling is bolted to the front end of the first bearing seat. The output end of the servo motor is engaged with the coupling. A second bearing seat is bolted to the rear end of the inner bottom surface of the base. A ball screw is fitted inside both the first and second bearing seats. Slide rails are bolted to both sides of the upper surface of the base. A slider seat is slidably connected to the upper end of the slide rails. A sleeve block is fixedly connected to the middle of the lower surface of the slider seat, and a ball sleeve is fitted inside the sleeve block. A mounting base is bolted to the upper surface of the slider seat, and multiple assembly holes are formed in the middle of the mounting base.
[0004] When the above linear module is used in grinding, the mounting base is fixed on the mounting base, the servo motor is mounted on the mounting base, and the output shaft of the servo motor is fixed to the grinding wheel. During the assembly of this structure, the connection between the mounting base and the mounting base, as well as the connection between the mounting base and the sliding component used for sliding connection with the base, are carried out independently and separately, resulting in many assembly steps and a relatively complicated assembly process. Utility Model Content
[0005] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing a servo motor sliding base with a simplified structure.
[0006] The objective of this utility model can be achieved through the following technical solution: a servo motor sliding base, comprising a base for mounting a servo motor and a support plate horizontally disposed below the base, wherein a through hole is vertically penetrating the support plate; characterized in that at least one positioning ring is horizontally formed on both sides of the base, the number of through holes and positioning rings are the same and their positions correspond one-to-one; a screw is vertically inserted into each through hole, and a pulley and two pressure caps are screwed onto the lower end of each screw rod, with the upper pressure cap pressing against the bottom surface of the support plate; the pulley includes a bearing, the inner ring of which is sleeved on the outside of the screw rod and clamped and positioned between the corresponding two pressure caps; the positioning ring is sleeved on the corresponding screw rod and clamped and positioned between the corresponding screw head and the support plate.
[0007] With the positioning ring clamped between the screw head and the support plate, and the pressure cap on the top pressing against the bottom surface of the support plate, the base, support plate, and pulley are stably connected. In this way, the three components can be connected in series using only one screw. This not only effectively reduces the number of screws but also shortens the assembly steps, and has the advantages of simple structure and convenient assembly.
[0008] In the aforementioned servo motor sliding base, there are three through holes. One side of the base has two positioning rings, and the other side has one positioning ring. The center points of the three through holes are arranged in an isosceles triangle. This isosceles triangle arrangement ensures a stable connection between the base, support plate, and pulley, and also improves the stability of the base during sliding.
[0009] In the aforementioned servo motor sliding base, the support plate extends upwards from the through-hole to form guide rings. The number of guide rings is the same as the number of through-holes, and each guide ring is inserted into a corresponding positioning ring. The guide rings and positioning rings work together to achieve pre-positioning of the base, facilitating subsequent assembly.
[0010] In the aforementioned servo motor sliding base, the base is provided with a mounting cavity that matches the servo motor. The servo motor is horizontally mounted in the mounting cavity, with its upper side extending out of the cavity. A clearance opening is provided through the side wall of the mounting cavity for the servo motor's wires to extend through. This design enhances the stability of the connection between the servo motor and the base.
[0011] In the aforementioned servo motor sliding base, the clearance opening is strip-shaped and extends vertically, which is beneficial for heat dissipation of the servo motor.
[0012] In the aforementioned servo motor sliding base, the base is roughly rectangular with two clearance openings. The side walls of the base are formed by two opposing side walls (Part 1 and Part 2). A positioning ring is located on side wall 1, and the two clearance openings are located on side wall 2. This design further accelerates heat dissipation of the servo motor without affecting the base's positioning.
[0013] Compared with existing technologies, this servo motor sliding base has the following advantages:
[0014] 1. With the positioning ring clamped between the screw head and the support plate, and the pressure cap on the top pressing against the bottom surface of the support plate, the base, support plate and pulley are stably connected. In this way, the three can be connected in series using only one screw. This not only effectively reduces the number of screws, but also shortens the assembly steps. It has the advantages of simple structure and convenient assembly.
[0015] 2. The center points of the three positioning rings are arranged in an isosceles triangle, which can ensure the stable connection of the base, support plate and pulley, and improve the stability of the base when sliding. Attached Figure Description
[0016] Figure 1 This is a diagram showing the usage status of the sliding base.
[0017] Figure 2 This is a cross-sectional view of the sliding base.
[0018] Figure 3 yes Figure 2 Enlarged diagram of point A in the middle.
[0019] Figure 4 This is a three-dimensional schematic diagram of the support plate.
[0020] In the diagram, 1 is the base; 1a is the clearance opening; 1b is the first side wall; 1c is the second side wall; 1d is the positioning ring; 2 is the support plate; 2a is the guide ring; 3 is the servo motor; 4 is the screw; 5 is the pulley; 5a is the bearing; and 6 is the pressure cap. Detailed Implementation
[0021] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.
[0022] like Figure 1 As shown, the servo motor sliding base includes a base 1 for mounting the servo motor 3 and a support plate 2 horizontally disposed below the base 1.
[0023] in,
[0024] The mounting method of the base 1 and the servo motor 3 is as follows: The base 1 is provided with a mounting cavity that matches the servo motor 3. The servo motor 3 is horizontally mounted in the mounting cavity, and the upper side of the servo motor 3 extends out of the mounting cavity. In actual products, the upper side of the servo motor 3 is fixed to the base 1 by multiple vertically arranged bolts, and this method is existing and will not be described in detail here.
[0025] A clearance opening 1a is provided through the side wall of the mounting cavity for the wires of the servo motor 3 to extend. Preferably, the clearance opening 1a is strip-shaped and extends vertically, which is beneficial for heat dissipation of the servo motor 3. In the actual product, there are two clearance openings 1a. The side wall of the base 1 is surrounded by two oppositely arranged side walls 1b and two oppositely arranged side walls 1c. The two side walls 1c are distributed along the length of the base 1, and the two clearance openings 1a are respectively set on the two side walls 1c to further accelerate the heat dissipation of the servo motor 3.
[0026] like Figure 1 As shown, a vertical through hole is formed on the support plate 2, and at least one positioning ring 1d is horizontally formed on the outer wall of each of the two side walls 1b. In the actual product, the positioning ring 1d and the base 1 are an integral structure. The number of through holes and positioning rings 1d are the same and their positions correspond one-to-one. A screw 4 is vertically inserted into each through hole. A pulley 5 is fitted on the lower end of the shank of each screw 4, and two pressure caps 6 are screwed on. The pressure cap 6 on the upper side presses against the bottom surface of the support plate 2. The pulley 5 is an existing product. The pulley 5 includes a bearing 5a and a wheel body set outside the bearing 5a. The inner ring of the bearing 5a is fitted outside the shank of the screw 4 and clamped and positioned between the corresponding two pressure caps 6. That is, at this time, the two end faces of the inner ring of the bearing 5a are in close contact with the corresponding two pressure caps 6. The positioning ring 1d is fitted onto the corresponding screw 4 rod and clamped between the head of the corresponding screw 4 and the support plate 2. At this time, the two ends of the positioning ring 1d are in close contact with the head of the screw 4 and the support plate 2, respectively.
[0027] With the positioning ring 1d clamped between the head of the screw 4 and the support plate 2, and the pressure cap 6 on the upper side pressing against the bottom surface of the support plate 2, the base 1, the support plate 2 and the pulley 5 are stably connected. In this way, the three can be connected in series using only the same screw 4. This not only effectively reduces the number of screws 4, but also shortens the assembly steps, and has the advantages of simple structure and convenient assembly.
[0028] To further explain, there are three through holes. One sidewall 1b has two positioning rings 1d, and the other sidewall 1b has one positioning ring 1d. The center points of the three through holes are arranged in an isosceles triangle. This isosceles triangle arrangement ensures a stable connection between the base 1, support plate 2, and pulley 5, and also improves the stability of the base during sliding.
[0029] Furthermore, the support plate 2 extends upward from the through hole to form a guide ring 2a. The number of guide rings 2a is the same as the number of through holes, and each guide ring 2a is inserted into the corresponding positioning ring 1d. The guide rings 2a and the positioning rings 1d cooperate to achieve pre-positioning of the base 1, which facilitates subsequent assembly.
[0030] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.
Claims
1. A servo motor sliding base comprising a machine base (1) for mounting a servo motor (3) and a support plate (2) horizontally arranged below the machine base (1), a through hole being vertically penetrated in the support plate (2), characterized in that, The base (1) is horizontally profiled with at least one positioning ring (1d) on both sides, the number of through holes and the positioning rings (1d) is the same and one-to-one corresponding; each through hole is vertically provided with a screw (4), the lower end of the rod of each screw (4) is externally sleeved with a pulley (5) and two compression caps (6) are screwed, and the compression cap (6) on the upper side is pressed on the bottom surface of the supporting plate (2); the pulley (5) comprises a bearing (5a), the inner ring of the bearing (5a) is sleeved on the rod of the screw (4) and clamped and positioned between the corresponding two compression caps (6); the positioning ring (1d) is sleeved on the rod of the corresponding screw (4), and the positioning ring (1d) is clamped and positioned between the head of the corresponding screw (4) and the supporting plate (2).
2. The servo motor slide base of claim 1, wherein, The number of the above-mentioned through holes is three, one side of the base (1) has two positioning rings (1d), the other side has one positioning ring (1d), and the center points of the three through holes are arranged in an isosceles triangle.
3. A slide base for a servo motor according to claim 1 or 2, characterized in that The supporting plate (2) is upwardly extended from the through hole position to form a guide ring (2a), the number of the guide ring (2a) is the same as that of the through hole, and each guide ring (2a) is inserted into the corresponding positioning ring (1d).
4. The servo motor slide base of claim 1, wherein, The base (1) is provided with a mounting cavity matched with the servo motor (3), the servo motor (3) is horizontally arranged in the mounting cavity, and the upper side of the servo motor (3) extends out of the mounting cavity; the side wall of the mounting cavity is provided with an avoidance opening (1a) for the electric wire of the servo motor (3) to extend out.
5. The servo motor slide base of claim 4, wherein, The avoidance opening (1a) is strip-shaped and extends in length up and down.
6. The servo motor slide base of claim 5, wherein, The base (1) is substantially rectangular, the avoidance opening (1a) has two, the side wall of the base (1) is surrounded by two oppositely arranged side walls one (1b) and two oppositely arranged side walls two (1c), the positioning ring (1d) is arranged on the side wall one (1b), and the two avoidance openings (1a) are arranged on the two side walls two (1c) respectively.
Citation Information
Patent Citations
A direct drive ball screw linear module
CN117739083B