Linear motor module with low friction and long service life
By employing a steel ball groove and roller groove structure in the linear motor module, sliding friction is transformed into rolling friction. Furthermore, by combining heat-conducting pillars with metal heat sinks, the problems of friction and heat dissipation between the slider and the slide rail are solved, achieving low-friction, long-life, and highly stable motion control.
Patent Information
- Application Number
- CN202520131538.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-20
AI Technical Summary
In traditional linear motor modules, the friction between the slider and the guide rail is relatively large, resulting in noise, wear and unstable movement. At the same time, heat is difficult to dissipate, reducing the service life.
By employing a steel ball groove and roller groove structure, sliding friction is transformed into rolling friction, and the combination of heat-conducting columns and metal heat sinks enables rapid heat dissipation.
It reduces friction, improves the stability and precision of motion, extends service life, and enhances the operational stability of the device through effective heat dissipation.
Smart Images
Figure CN223912398U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to linear motor technical field more particularly to low friction long life linear motor module. BACKGROUND
[0002] Linear motor module is a kind of integrated linear motor, guide rail, controller and other auxiliary module and accessory comprehensive equipment, it can realize linear motion control and positioning function, linear motor module has high speed, high precision and fast response characteristics, can realize accurate, fast linear motion control on industrial production line, this helps to improve production efficiency, shorten production cycle, increase production capacity, simultaneously, linear motor module as advanced motion control equipment, provides efficient, accurate and reliable linear motion control solution.
[0003] Generally, linear motor module is formed by carrying linear guide rail on slide, and the slide supports the slider of linear guide rail through the two sides and bottom of sliding groove, the friction between the slider and the sliding rail in the traditional linear module is relatively large, which may cause noise, aggravate wear and unstable movement, secondly, the heat generated by motor module during operation is difficult to discharge, thereby reducing the overall service life, therefore, we propose low friction long life linear motor module to solve the above problems. UTILITY MODEL CONTENTS
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides low friction long life linear motor module to solve the problems existing in the above background art.
[0005] The utility model provides the following technical scheme: low friction long life linear motor module, including base, the both sides symmetry fixedly connected with baffle of base, the top of base is connected with the flashboard of fixed connection, two the fixed mounting of baffle between is equipped with stator, the outer wall of stator is equipped with the first steel ball sliding slot that is evenly equidistant distribution, the outer wall of stator is movably sleeved with linear motion execution component, the inner chamber bottom of base is fixedly connected with sliding rail, the top two sides of sliding rail are symmetrically equipped with second steel ball sliding slot, the both sides of sliding rail are symmetrically equipped with sliding slot, the both sides of sliding rail are symmetrically equipped with gyro wheel groove, the sliding slot is linked together with gyro wheel groove, the top of sliding rail is provided with linear motion execution component, the linear motion execution component includes the slide of setting in the top of sliding rail, the bottom of slide is fixedly connected with the rotor of middle, the inner wall of rotor is rotatably connected with first steel ball, the bottom both sides of rotor are rotatably connected with second steel ball, the both sides inner wall bottom of slide are fixedly connected with sliding block, two The side of mutual approach of sliding block is fixedly connected with gyro wheel.
[0006] Preferably, the first steel ball is in rolling contact with the first steel ball sliding groove, the second steel ball is in rolling contact with the second steel ball sliding groove, the sliding block and the sliding groove form a sliding connection structure, and the roller is in rolling contact with the roller groove.
[0007] Preferably, a plurality of rectangular mounting holes are symmetrically formed in the two side walls of the base, and heat-conducting columns are fixedly installed in the mounting holes.
[0008] Preferably, sliding connection blocks are symmetrically fixedly connected to the top of the sliding base, mounting seats are fixedly connected to the top of the sliding connection blocks, and anti-collision rods are symmetrically fixedly connected to the top of the two sides of the sliding base.
[0009] Preferably, a cover plate is fixedly connected to the top of the base, and sliding grooves are symmetrically formed in the top of the two sides of the cover plate.
[0010] Preferably, the sliding connection blocks and the sliding grooves form a sliding connection structure, the mounting seats are located above the cover plate, and assembly holes are formed in the top of the mounting seats.
[0011] The technical effects and advantages of the utility model are as follows:
[0012] 1. In use, the sliding block drives the sliding base to slide on the outer wall of the sliding rail when the linear motor module is working, the first steel ball rolls along the first steel ball sliding groove, the second steel ball rolls along the second steel ball sliding groove, the sliding friction between the mover and the stator is changed into rolling friction, the sliding friction between the mover and the sliding rail is changed into rolling friction, the frictional force received by the mover during movement is reduced, the energy consumption is reduced, the movement of the mover is smoother and more stable, the sliding friction between the sliding base and the sliding rail is changed into rolling friction when the barrel roller rolls along the roller groove, the frictional force received by the sliding base during movement is reduced, the movement of the sliding base is smoother and more stable, the precision during movement is improved, the abrasion of parts is greatly reduced, the operation is safe and reliable, the service life is longer, and the practicability of the device is improved.
[0013] 2. In use, the heat generated during the operation of the linear motion execution assembly is transferred to the surface of the heat-conducting column and then to the surface of the metal heat sink through the heat-conducting column and the metal heat sink, so that the heat is dissipated, the stability of the operation of the linear motion execution assembly is improved, and the service life of the device as a whole is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 The utility model is a whole structure schematic view.
[0015] Figure 2The cover plate structure schematic view of the utility model.
[0016] Figure 3 The cover plate opening internal structure schematic view of the utility model.
[0017] Figure 4 The base, stator, sliding seat and slide rail connecting structure schematic view of the utility model.
[0018] Figure 5 The linear motion execution assembly structure schematic view of the utility model.
[0019] The reference signs are: 1, base; 2, baffle; 3, cover plate; 4, linear motion execution assembly; 41, sliding seat; 42, sliding block; 43, roller; 44, mover; 45, first steel ball; 46, second steel ball; 47, anti-collision rod; 48, sliding connecting block; 49, mounting seat; 5, metal heat sink; 6, sliding groove; 7, heat conduction column; 8, stator; 9, slide rail; 10, first steel ball sliding groove; 11, second steel ball sliding groove; 12, sliding groove; 13, roller groove. DETAILED DESCRIPTION
[0020] The technical scheme in the utility model will be described clearly and completely below in combination with the drawings in the utility model, and additionally, the form of each structure recorded in the following implementation manners is only an example, and the low-friction long-life linear motor module involved in the utility model is not limited to each structure recorded in the following implementation manners, and all other implementation manners obtained by the ordinary skilled in the art without making creative efforts belong to the range protected by the utility model.
[0021] The utility model provides low-friction long-life linear motor module, please refer to Figures 1-5As shown, including the base 1, the two sides of the base 1 are symmetrically and fixedly connected with the baffle 2, the top of the base 1 is fixedly connected with the cover plate 3, the two baffles 2 are fixedly installed with the stator 8, the outer wall of the stator 8 is provided with the first steel ball sliding groove 10 which is uniformly and equidistantly distributed, the outer wall of the stator 8 movably sheaths the linear motion execution assembly 4, the inner cavity bottom of the base 1 is fixedly connected with the slide rail 9, the top of the slide rail 9 is symmetrically provided with the second steel ball sliding groove 11, the two sides of the slide rail 9 are symmetrically provided with the sliding groove 12, the two sides of the slide rail 9 are symmetrically provided with the roller groove 13, the sliding groove 12 is communicated with the roller groove 13, the top of the slide rail 9 is provided with the linear motion execution assembly 4, the linear motion execution assembly 4 comprises the slide 41 provided on the top of the slide rail 9, the bottom of the slide 41 is fixedly connected with the rotor 44, the inner wall of the rotor 44 is rotatably connected with the first steel ball 45, the bottom of the rotor 44 is rotatably connected with the second steel ball 46, the inner wall bottom of the slide 41 is symmetrically fixedly connected with the sliding block 42, the two sliding blocks 42 are fixedly connected with the roller 43 on the side close to each other, the first steel ball 45 is in rolling contact with the first steel ball sliding groove 10, the second steel ball 46 is in rolling contact with the second steel ball sliding groove 11, the sliding block 42 and the sliding groove 12 form a sliding connection structure, and the roller 43 is in rolling contact with the roller groove 13.
[0022] In the embodiment of the application, when in use, the linear motor module slides the slide 41 along the outer wall of the slide rail 9 when working, the first steel ball 45 rolls along the first steel ball sliding groove 10, and the second steel ball 46 rolls along the second steel ball sliding groove 11, so that the sliding friction between the rotor 44 and the stator 8 is changed into rolling friction, the sliding friction between the rotor 44 and the slide rail 9 is changed into rolling friction, thereby reducing the frictional force received by the rotor 44 during movement, reducing the energy consumption, making the movement of the rotor 44 more smooth and stable, the roller 43 rolls along the roller groove 13, the sliding friction between the slide 41 and the slide rail 9 is changed into rolling friction, thereby reducing the frictional force received by the slide 41 during movement, making the movement of the slide 41 more smooth and stable, improving the accuracy during movement, and through the arrangement of the heat conduction column 7 and the metal heat sink 5, the heat generated during the operation of the linear motion execution assembly 4 is transferred to the surface of the heat conduction column 7, and then to the surface of the metal heat sink 5 and dissipated, so that the heat can be quickly dissipated, and the stability of the operation of the linear motion execution assembly 4 is improved, thereby improving the service life of the whole device.
[0023] Further, the two side outer walls of the base 1 are symmetrically provided with a plurality of rectangularly distributed mounting holes, heat-conducting columns 7 are fixedly installed in the mounting holes, one end of the heat-conducting column 7 extending to the outside of the base 1 is fixedly connected with the metal heat-dissipating plate 5, in use, the heat generated during the operation of the linear motion executing assembly 4 is transferred to the surface of the heat-conducting column 7 and then to the surface of the metal heat-dissipating plate 5 for dissipation, so that the heat can be quickly dissipated, the stability of the operation of the linear motion executing assembly 4 is improved, and thus the service life of the whole device is improved.
[0024] Further, the two side outer walls of the base 1 are symmetrically provided with a plurality of rectangularly distributed mounting holes, heat-conducting columns 7 are fixedly installed in the mounting holes, one end of the heat-conducting column 7 extending to the outside of the base 1 is fixedly connected with the metal heat-dissipating plate 5, in use, the heat generated during the operation of the linear motion executing assembly 4 is transferred to the surface of the heat-conducting column 7 and then to the surface of the metal heat-dissipating plate 5 for dissipation, so that the heat can be quickly dissipated, the stability of the operation of the linear motion executing assembly 4 is improved, and thus the service life of the whole device is improved.
[0025] The working principle of the utility model is as follows: in use, the sliding block 42 drives the sliding seat 41 to slide on the outer wall of the slide rail 9 when the linear motor module works, the first steel ball 45 rolls along the first steel ball sliding groove 10, and the second steel ball 46 rolls along the second steel ball sliding groove 11, so that the sliding friction between the mover 44 and the stator 8 is changed into rolling friction, and the sliding friction between the mover 44 and the slide rail 9 is changed into rolling friction, thereby the friction force suffered by the mover 44 during movement can be reduced, the energy consumption is reduced, the movement of the mover 44 is more smooth and stable, the cylinder roller 43 rolls along the roller groove 13, so that the sliding friction between the sliding seat 41 and the slide rail 9 is changed into rolling friction, thereby the friction force suffered by the sliding seat 41 during movement can be reduced, the movement of the sliding seat 41 is more smooth and stable, the precision during movement is improved, the heat generated during the operation of the linear motion executing assembly 4 is transferred to the surface of the heat-conducting column 7 and then to the surface of the metal heat-dissipating plate 5 for dissipation, so that the heat can be quickly dissipated, the stability of the operation of the linear motion executing assembly 4 is improved, and thus the service life of the whole device is improved.
[0026] Finally, the following points should be noted: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;
[0027] Secondly: the utility model discloses the embodiment in the drawing, only relate to the structure with the embodiment of the utility model, other structures can refer to the usual design, under the condition of not conflict, the same embodiment and different embodiment of the utility model can be combined with each other;
[0028] Finally: the above only for the preferred embodiment of the utility model has, and is not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.
Claims
1. Low-friction long-life linear motor module comprising a base (1), characterized in that: Both sides of the base (1) are symmetrically fixedly connected with baffle plates (2), the top of the base (1) is fixedly connected with a cover plate (3), a stator (8) is fixedly installed between the two baffle plates (2), a plurality of first steel ball sliding grooves (10) are evenly and equidistantly formed in the outer wall of the stator (8), a linear motion executing assembly (4) is movably sleeved on the outer wall of the stator (8), the inner cavity bottom of the base (1) is fixedly connected with a sliding rail (9), second steel ball sliding grooves (11) are symmetrically formed in the top of the two sides of the sliding rail (9), sliding grooves (12) are symmetrically formed in the two sides of the sliding rail (9), roller grooves (13) are symmetrically formed in the two sides of the sliding rail (9), the sliding grooves (12) and the roller grooves (13) are communicated, the top of the sliding rail (9) is provided with the linear motion executing assembly (4), the linear motion executing assembly (4) comprises a sliding seat (41) arranged on the top of the sliding rail (9), a rotor (44) is fixedly connected to the bottom of the sliding seat (41), a first steel ball (45) is rotatably connected to the inner wall of the rotor (44), second steel balls (46) are rotatably connected to the bottom of the two sides of the rotor (44), sliding blocks (42) are symmetrically fixedly connected to the inner wall bottom of the two sides of the sliding seat (41), and the two sliding blocks (42) are fixedly connected with rollers (43) on the side close to each other.
2. The low-friction long-life linear motor module according to claim 1, characterized in that: The first steel ball (45) is in rolling contact with the first steel ball sliding groove (10), the second steel ball (46) is in rolling contact with the second steel ball sliding groove (11), the sliding block (42) and the sliding groove (12) constitute a sliding connection structure, and the roller (43) is in rolling contact with the roller groove (13).
3. The low-friction long-life linear motor module of claim 1, wherein: A plurality of rectangularly distributed mounting holes are symmetrically formed in the outer wall of the two sides of the base (1), heat conduction columns (7) are fixedly installed in the mounting holes, and one end of the heat conduction column (7) extending to the outside through the base (1) is fixedly connected with a metal heat dissipation plate (5).
4. The low-friction long-life linear motor module of claim 1, wherein: The top of the sliding seat (41) is fixedly connected with sliding connection blocks (48), the sliding connection blocks (48) are fixedly connected with mounting seats (49) on the top, and the top of the sliding seat (41) is fixedly connected with anti-collision rods (47) on the two sides.
5. The low-friction long-life linear motor module of claim 1, wherein: The top of the base (1) is fixedly connected with a cover plate (3), and the top of the cover plate (3) is symmetrically provided with sliding grooves (6) on the two sides.
6. The low-friction long-life linear motor module of claim 4, wherein: The sliding connection blocks (48) and the sliding grooves (6) constitute a sliding connection structure, the mounting seat (49) is located above the cover plate (3), and an assembly hole is formed in the top of the mounting seat (49).