Micro-step control linear motor actuator
By designing a micro-step control linear motor actuator, the problems of inconvenient slide disassembly, high noise, and poor heat dissipation were solved, enabling convenient replacement and adjustment of the slide, reducing noise, and improving heat dissipation efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU JIEXIANG INTELLIGENT TECH CO LTD
- Filing Date
- 2025-04-18
- Publication Date
- 2026-04-17
AI Technical Summary
Existing linear motors suffer from problems such as inconvenient slide replacement, high noise levels, and poor heat dissipation.
A micro-step control linear motor actuator was designed. By setting up a linear guide rail, adjusting lead screw, motor body, lead screw sleeve, slide block, connecting block and other structures, the slide block can be easily replaced and adjusted. The heat dissipation and noise reduction effects are improved by using a cooling fan, protective mesh cover, sealing ring and noise reduction ring.
It enables convenient replacement and adjustment of the slide block, reduces noise, improves heat dissipation efficiency and safety, and avoids oil leakage.
Smart Images

Figure CN224138841U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of motor technology, specifically to a micro-step control linear motor actuator. Background Technology
[0002] A linear motor is a type of motor, also known as a linear motor. It is a type of motor that can produce linear motion, converting electrical energy into mechanical energy for linear motion.
[0003] Linear motors are often used in conjunction with linear guides. However, the slides on linear guides are not easy to disassemble and replace according to usage requirements, making it impossible to flexibly adjust the slides of the appropriate size for use. In addition, some linear motors are noisy during use, and using traditional noise reduction covers to cover the motors affects their heat dissipation, which is very inconvenient.
[0004] There is an urgent need for a micro-step control linear motor actuator to address the technical deficiencies mentioned above. Utility Model Content
[0005] The purpose of this invention is to provide a micro-step control linear motor actuator to solve the problem of inconvenience in adjustment and use mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a micro-step control linear motor actuator, comprising a linear guide rail and a motor body, wherein the motor body is installed on the left side of the linear guide rail, and a motor stator and a motor spindle are disposed inside the motor body; a cooling fan is installed on the right side inside the motor body, and a protective mesh cover is installed on the right side of the motor body; an adjusting screw is movably installed inside the linear guide rail; a reserved sliding groove is provided at the top of the linear guide rail; a screw sleeve is installed outside the adjusting screw; a slide block is installed at the top of the screw sleeve; mounting flanges are installed on the left side of the adjusting screw and the end of the motor spindle; mounting bolts are provided on the mounting flanges; a connecting block is fixedly connected to the bottom end of the slide block; a connecting groove is provided at the top of the screw sleeve; a support sleeve is installed inside the linear guide rail, and the adjusting screw is rotatably connected within the support sleeve.
[0007] As a further technical solution of this utility model, a limiting slide is installed at the bottom of the linear guide rail, and the bottom of the lead screw sleeve is slidably connected to the limiting slide.
[0008] As a further technical solution of this utility model, the connecting block is provided with an external thread on the outside, and the connecting groove is provided with an internal thread on the inside, and the connecting block is embedded in the connecting groove in a spiral rotational connection.
[0009] As a further technical solution of this utility model, the two sides of the bottom end of the slide block are movably hinged with limit rods, and the external of the lead screw slide sleeve is fixedly connected with a limit groove.
[0010] As a further technical solution of this utility model, the inner ring of the limiting slot is provided with reserved grooves, and the limiting rod can be embedded in the reserved groove of the limiting slot.
[0011] As a further technical solution of this utility model, a fixing bolt is provided on the mounting flange, and the fixing bolt passes through the mounting flange and is embedded in the internal connection between the adjusting screw and the motor spindle.
[0012] As a further technical solution of this utility model, the motor body is mounted on the linear guide rail by bolts, and a noise reduction coil is installed inside the motor body.
[0013] As a further technical solution of this utility model, a sealing ring is installed inside the motor body, and the sealing ring is installed outside the motor spindle.
[0014] Compared with the prior art, the beneficial effects of this utility model are: the micro-step control linear motor actuator not only realizes the functions of easy replacement and adjustment, easy disassembly and assembly, but also easy noise reduction and sealing.
[0015] (1) By setting up a linear guide rail, adjusting screw, motor body, screw sleeve, slide block, connecting block, connecting groove, limit rod and limit groove, the motor body and the linear guide rail cooperate to realize micro-step linear drive. The motor body drives the adjusting screw to rotate, and the screw sleeve outside the adjusting screw drives the slide block to move to realize processing. The slide block can be replaced and adjusted according to the needs of use. When replacing, the limit rod at the bottom of the slide block is moved out from the limit groove, and then the slide block is rotated to move the connecting block out from the connecting groove. This structure realizes the function of easy replacement and adjustment.
[0016] (2) By setting an adjusting screw, mounting flange, mounting bolt and fixing bolt, the mounting flange can be installed on the adjusting screw and the motor spindle. During installation, the connection of the mounting flange is respectively put on the outside of the adjusting screw and the motor spindle, and then the fixing bolt is used to lock and fix it. Then the two sets of mounting flanges are connected and fixed by the mounting bolt to realize the connection and installation of the adjusting screw and the motor spindle. When disassembling, only the mounting bolt needs to be removed. This structure realizes the function of easy and quick disassembly and assembly.
[0017] (3) By setting up a motor spindle, motor body, cooling fan, protective mesh cover, sealing ring and noise reduction ring, the motor body needs to dissipate heat to maintain normal operation during use. The cooling fan inside the motor body can improve the heat dissipation effect. The protective mesh cover on the motor body can improve the safety of heat dissipation. When the motor body is working, the thickness of the noise reduction ring is thin and does not affect the normal heat dissipation while achieving the noise reduction effect. The sealing ring inside the motor body can prevent oil leakage. This structure realizes the function of easy noise reduction and sealing. Attached Figure Description
[0018] Figure 1 This is a frontal cross-sectional view of the present invention.
[0019] Figure 2 This is a front view structural diagram of the processing plate of this utility model;
[0020] Figure 3 For the present utility model Figure 1 Enlarged structural diagram at point A in the middle;
[0021] Figure 4 This is a front view cross-sectional structural diagram of the motor body of this utility model.
[0022] In the diagram: 1. Linear guide rail; 2. Adjusting screw; 3. Reserved slide groove; 4. Screw sleeve; 5. Slide block; 6. Connecting block; 7. Support sleeve; 8. Motor spindle; 9. Motor body; 10. Motor stator; 11. Cooling fan; 12. Protective mesh cover; 13. Limiting slide; 14. Mounting flange; 15. Mounting bolt; 16. Fixing bolt; 17. Connecting groove; 18. Limiting lever; 19. Limiting slot; 20. Sealing ring; 21. Noise reduction ring. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Please see Figure 1-4An embodiment of this utility model provides a micro-step control linear motor actuator, including a linear guide rail 1 and a motor body 9. The motor body 9 is installed on the left side of the linear guide rail 1. The motor body 9 is equipped with a motor stator 10 and a motor spindle 8 inside. A cooling fan 11 is installed on the right side inside the motor body 9. A protective mesh cover 12 is installed on the right side of the motor body 9. An adjusting screw 2 is movably installed inside the linear guide rail 1. A reserved slide groove 3 is provided at the top of the linear guide rail 1. A screw sleeve 4 is installed outside the adjusting screw 2. A slide block 5 is installed at the top of the screw sleeve 4. A connecting block 6 is fixedly connected to the bottom of the slide block 5. A connecting groove 17 is provided at the top of the screw sleeve 4. A support sleeve 7 is installed inside the linear guide rail 1. The adjusting screw 2 is embedded in the support sleeve 7 in a rotatable connection.
[0025] The bottom end of the linear guide 1 is equipped with a limiting slide 13. The bottom end of the lead screw sleeve 4 is slidably connected to the limiting slide 13. The external thread of the connecting block 6 is provided, and the internal thread of the connecting groove 17 is provided. The connecting block 6 is embedded in the internal thread of the connecting groove 17 and is helically connected. The two sides of the bottom end of the slide block 5 are movably hinged to the limiting rods 18. The external thread of the lead screw sleeve 4 is fixedly connected to the limiting groove 19. The internal thread of the limiting groove 19 is provided with a reserved groove in a ring. The limiting rods 18 can be embedded in the reserved groove of the limiting groove 19.
[0026] Specifically, such as Figure 1 and Figure 2 As shown, the motor body 9 cooperates with the linear guide rail 1 to achieve micro-step linear drive. The motor body 9 drives the adjusting screw 2 to rotate. The screw sleeve 4 outside the adjusting screw 2 drives the slide 5 to move to achieve processing. The slide 5 can be replaced and adjusted according to the needs of use. When replacing, the limiting rod 18 at the bottom of the slide 5 is moved out of the limiting groove 19. Then, the slide 5 is rotated so that the connecting block 6 is moved out of the connecting groove 17.
[0027] Mounting flanges 14 are installed on the left side of the adjusting screw 2 and the end of the motor spindle 8. Mounting bolts 15 and fixing bolts 16 are provided on the mounting flanges 14. The fixing bolts 16 pass through the mounting flanges 14 and are embedded in the internal connection between the adjusting screw 2 and the motor spindle 8.
[0028] Specifically, such as Figure 1 and Figure 3 As shown, the mounting flange 14 can be installed on the adjusting screw 2 and the motor spindle 8. During installation, the connection of the mounting flange 14 is respectively placed on the outside of the adjusting screw 2 and the motor spindle 8, and then locked and fixed with the fixing bolt 16. Then, the two sets of mounting flanges 14 are connected and fixed with the mounting bolt 15 to realize the connection and installation of the adjusting screw 2 and the motor spindle 8. When disassembling, only the mounting bolt 15 needs to be removed.
[0029] The motor body 9 is bolted to the linear guide rail 1. A noise reduction ring 21 is installed inside the motor body 9. A sealing ring 20 is installed inside the motor body 9. The sealing ring 20 is installed on the outside of the motor spindle 8.
[0030] Specifically, such as Figure 1 and Figure 4 As shown, the motor body 9 needs heat dissipation to maintain normal operation during use. The cooling fan 11 inside the motor body 9 can improve the heat dissipation effect. The protective mesh cover 12 on the motor body 9 can improve the safety of heat dissipation. When the motor body 9 is working, the thin noise reduction ring 21 does not affect the normal heat dissipation while achieving the noise reduction effect. The sealing ring 20 inside the motor body 9 can prevent oil leakage.
[0031] Working principle: The motor body 9 cooperates with the linear guide rail 1 to achieve micro-step linear drive. The motor body 9 drives the adjusting screw 2 to rotate, and the screw sleeve 4 outside the adjusting screw 2 drives the slide 5 to move to achieve processing. The slide 5 can be replaced and adjusted according to the needs of use. When replacing, the limiting rod 18 at the bottom of the slide 5 is moved out of the limiting groove 19, and then the slide 5 is rotated to move the connecting block 6 out of the connecting groove 17. The motor body 9 needs heat dissipation to maintain normal operation. The cooling fan 11 inside the motor body 9 can improve the heat dissipation effect, and the protective mesh cover 12 on the motor body 9 can improve the safety of heat dissipation. When the motor body 9 is working, the thin noise reduction ring 21 does not affect the normal heat dissipation while achieving the noise reduction effect. The internal sealing ring 20 of the motor body 9 can prevent oil leakage. The mounting flange 14 can be installed on the adjusting screw 2 and the motor spindle 8. During installation, the connection of the mounting flange 14 is respectively put on the outside of the adjusting screw 2 and the motor spindle 8, and then the fixing bolt 16 is used to lock and fix it. Then, the two sets of mounting flanges 14 are connected and fixed by the mounting bolt 15 to realize the connection and installation of the adjusting screw 2 and the motor spindle 8. When disassembling, only the mounting bolt 15 needs to be removed. This structure realizes the function of easy and quick disassembly and assembly.
[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A microstep controlled linear motor actuator comprising a linear guide rail (1) and a motor body (9), characterized in that: The motor body (9) is installed on the left side of the linear guide (1). The motor body (9) contains a motor stator (10) and a motor spindle (8). A cooling fan (11) is installed on the right side of the motor body (9). A protective mesh cover (12) is installed on the right side of the motor body (9). An adjusting screw (2) is movably installed inside the linear guide (1). A reserved slide groove (3) is provided at the top of the linear guide (1). A screw sleeve (4) is installed outside the adjusting screw (2). The top of the lead screw sleeve (4) is equipped with a slide block (5), and the left side of the adjusting lead screw (2) and the end of the motor spindle (8) are both equipped with mounting flanges (14). Mounting bolts (15) are provided on the mounting flanges (14). A connecting block (6) is fixedly connected to the bottom of the slide block (5). A connecting groove (17) is provided at the top of the lead screw sleeve (4). A support sleeve (7) is installed inside the linear guide rail (1). The adjusting lead screw (2) is embedded inside the support sleeve (7) in a rotatable connection.
2. A microstep controlled linear motor actuator according to claim 1, wherein: The bottom end of the linear guide (1) is equipped with a limiting slide (13), and the bottom end of the lead screw sleeve (4) is slidably connected to the limiting slide (13).
3. A microstep controlled linear motor actuator according to claim 1, wherein: The connecting block (6) has an external thread on its outside and an internal thread on its inside. The connecting block (6) is embedded in the inside of the connecting groove (17) in a spiral rotational connection.
4. A microstep controlled linear motor actuator according to claim 1, wherein: The slide block (5) has two movable hinged limit rods (18) on both sides at the bottom end, and the screw slide sleeve (4) has a fixed connection to the external limit groove (19).
5. A microstep controlled linear motor actuator according to claim 4, wherein: The limiting slot (19) has a reserved groove arranged in a ring inside, and the limiting rod (18) can be embedded in the reserved groove of the limiting slot (19).
6. The micro-step control linear motor actuator according to claim 1, characterized in that: The mounting flange (14) is provided with fixing bolts (16), which pass through the mounting flange (14) and are embedded in the internal connection between the adjusting screw (2) and the motor spindle (8).
7. A microstep controlled linear motor actuator according to claim 1, wherein: The motor body (9) is mounted on the linear guide rail (1) by bolts, and a noise reduction coil (21) is installed inside the motor body (9).
8. A microstep controlled linear motor actuator according to claim 1, wherein: A sealing ring (20) is installed inside the motor body (9), and the sealing ring (20) is installed outside the motor spindle (8).