Linear motor module with internal support structure

Abstract

The utility model relates to the technical fields of linear motor module, it discloses a kind of linear motor module with internal support structure including guide rail, flat plate stator, sliding structure, wheel guide strip, sliding base, flat plate mover, height adjusting block and gyro wheel, flat plate mover is installed in the bottom of sliding base, height adjusting block is adjustably installed in the two sides of sliding base, gyro wheel is rotatably connected with height adjusting block, gyro wheel is connected with wheel guide strip, wheel guide strip is installed in the top of guide rail, sliding base is connected with the outer two sides of guide rail by sliding structure, flat plate stator is installed in guide rail, flat plate stator corresponds with flat plate mover.The utility model adjusts the distance between flat plate stator and flat plate mover by height adjusting block, gyro wheel and sliding base, to adjust the magnetic force between the two, and make sliding base and guide rail have certain gap between, reduce friction, improve the service life of linear motor module and reduce maintenance cost.

Description

Technical Field

[0001] This utility model relates to the technical field of linear motor modules, and in particular to a linear motor module with an internal support structure. Background Technology

[0002] Linear motor modules are transmission devices that provide linear motion. With the continuous development of automatic control technology, linear motor modules are widely used in industrial fields. Currently, linear motor modules generally use a sliding structure to connect the guide rail and the sliding base. During operation, the sliding structure not only bears the weight of the sliding base but also the magnetic force between the flat stator and flat mover. Furthermore, friction occurs between the guide rail and the sliding base, leading to easy wear of both the sliding structure and the guide rail, shortening the lifespan of the linear motor module and increasing maintenance costs. In addition, the distance between the flat stator and flat mover cannot be adjusted, making it difficult to effectively control the magnetic force between them. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a linear motor module with an internal support structure.

[0004] The objective of this utility model is achieved through the following technical solution: A linear motor module with an internal support structure includes a guide rail, a flat stator, a sliding structure, a wheel guide strip, a sliding base, a flat mover, a height adjustment block, and rollers. The flat mover is installed at the bottom of the sliding base, the height adjustment block is adjustablely installed on both sides of the sliding base, the rollers are rotatably connected to the height adjustment block, the rollers are connected to the wheel guide strip, the wheel guide strip is installed on the top of the guide rail, the sliding base is connected to the outer sides of the guide rail through the sliding structure, the flat stator is installed inside the guide rail, and the flat stator corresponds to the flat mover.

[0005] Preferably, the sliding structure includes a first ball guide strip, a ball assembly, and a second ball guide strip. The first ball guide strip is installed on the outer sides of the guide rail, and the second ball guide strip is installed on the inner sides of the sliding base. The first ball guide strip is connected to the ball assembly and the second ball guide strip.

[0006] Preferably, it also includes a ball return device, the sliding base is provided with a ball return channel, the two ends of the ball return channel are respectively connected to one end of the ball return device, the other end of the ball return device is respectively connected to both ends of the second ball guide groove, the ball return device, the ball return channel and the second ball guide groove form a circulation channel, and the ball assembly is installed in the circulation channel.

[0007] Preferably, the ball return device is provided with a ball return groove, the two ends of which are respectively connected to the ball return channel and the second ball guide groove, and the ball assembly is connected to the ball return groove.

[0008] Preferably, the number of flat stators is two, and the two flat stators are laid flat on the guide rail along the axial direction of the guide rail.

[0009] Preferably, the wheel guide bar has a strip-shaped groove that is parallel to its axial direction, and the strip-shaped groove matches the roller.

[0010] Preferably, both ends of the sliding base are provided with positioning block adjustment holes, and the height adjustment block is adjustablely connected to the positioning block adjustment holes by screws.

[0011] Preferably, the guide rail includes a base plate and two baffles, with the two ends of the base plate connected to the two baffles respectively.

[0012] This utility model has the following advantages and beneficial effects compared to the prior art:

[0013] This invention effectively adjusts the distance between the flat stator and the flat mover by using a height adjustment block, rollers, and a sliding base, thereby adjusting the magnetic force between them. It also creates a certain gap between the sliding base and the guide rail, reducing friction, increasing the service life of the linear motor module, and lowering maintenance costs. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of a linear motor module with an internal support structure according to the present invention;

[0015] Figure 2 This is a schematic diagram of the internal structure of a linear motor module with an internal support structure according to this utility model;

[0016] Figure 3 This is a top view of a linear motor module with an internal support structure according to this utility model;

[0017] Figure 4 yes Figure 3 Sectional view at point A;

[0018] Figure 5 yes Figure 4 A magnified view of the area at point B;

[0019] Figure 6 This is an assembly diagram of the moving structure, flat moving part, and sliding base of a linear motor module with an internal support structure according to this utility model.

[0020] Figure 7This is an exploded view of the sliding structure of a linear motor module with an internal support structure according to this utility model;

[0021] Figure 8 This is a schematic diagram of a sliding base for a linear motor module with an internal support structure according to the present invention;

[0022] Figure 9 This is a schematic diagram of a sliding base for a linear motor module with an internal support structure according to the present invention;

[0023] Figure 10 This is a schematic diagram of a ball recirculator for a linear motor module with an internal support structure according to this utility model;

[0024] Figure 11 This is a schematic diagram of a guide rail for a linear motor module with an internal support structure according to the present invention;

[0025] The components in the attached diagram are labeled as follows: 1-Guide rail; 101-Base plate; 1011-Stator mounting slot; 1012-First guide bar mounting slot; 1013-Second guide bar mounting slot; 102-Baffle; 2-Flat stator; 3-First ball guide bar; 4-Wheel guide bar; 5-Ball assembly; 6-Ball return device; 601-Return ball groove; 7-Sliding base; 701-Motor mounting slot; 702-Positioning block adjustment slot; 703-Third guide bar mounting slot; 704-Return ball channel; 705-Positioning block adjustment hole; 8-Flat mover; 9-Height adjustment block; 10-Roller; 11-Second ball guide bar. Detailed Implementation

[0026] The utility model objective of this utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. The embodiments cannot be described one by one here, but the implementation of this utility model is not limited to the following embodiments.

[0027] like Figures 1-11As shown, a linear motor module with an internal support structure includes a guide rail 1, two flat stators 2, two sliding structures, two wheel guide strips 4, four ball return devices 6, a sliding base 7, a flat mover 8, four height adjustment blocks 9, and four rollers 10. Each sliding structure includes a first ball guide groove 3, a set of ball groups 5, and a second ball guide groove 11. The guide rail 1 includes a base plate 101 and two baffles 102. The bottom center of the sliding base 7 is provided with a mover mounting groove 701, and the flat mover 8 is installed in the mover mounting groove 701. The inner two side walls of the mover mounting groove 701 are respectively provided with two positioning block adjustment grooves 702, and each positioning block adjustment groove 702 has a positioning block adjustment hole 705 communicating with it on its outer side. Four height adjustment blocks 9 are respectively installed in four positioning block adjustment slots 702. Eight adjusting screws pass through positioning block adjustment holes 705 and are connected to the four height adjustment blocks 9 respectively. The positioning block adjustment holes 705 can adjust the relative position of the height adjustment blocks 9 with respect to the sliding base 7 in the height direction. Four rollers 10 are rotatably connected to the inner side of the four height adjustment blocks 9 respectively. The two ends of the base plate 101 are perpendicularly connected to two baffles 102 respectively. A stator mounting slot 1011 is provided along the axial direction of the base plate 101. Two flat stators 2 are installed in the stator mounting slot 1011 by screws. The axial direction of the two flat stators 2 is the same as the axial direction of the base plate 101. A first guide bar mounting slot 1012 with the same axial direction is provided on both sides of the stator mounting slot 1011. The first guide bar mounting slot 1012 is located at the top of the base plate 101. Two wheel guide bars 4 are respectively installed in the two first guide bar mounting slots 1012. The four rollers 10 are slidably connected to the two wheel guide bars 4 respectively. At each of the lower ends of the sliding base 7, a ball return channel 704 is provided. Both ends of each ball return channel 704 are connected to one end of the ball return groove 601 of the ball return device 6 via screws. Inside the ball return channel 704, a third guide bar mounting groove 703 is provided, and a second ball guide bar 11 is installed within the third guide bar mounting groove 703. Both ends of the second ball guide bar 11 are connected to the other ends of the ball return grooves 601 of the two ball return devices 6, respectively. On both outer sides of the base plate 101, a second guide bar mounting groove 1013 with the same axial direction is provided, and two first ball guide bars 3 are installed within the two second guide bar mounting grooves 1013, respectively. The ball return device 6, the ball return channel 704, and the second ball guide bar 11 form a circulation channel, and the ball assembly 5 is installed within the circulation channel.

[0028] The guide rail 1 serves as the overall load-bearing structure, internally housing a flat stator 2 and wheel guide strips 4. The base plate 101 guides the sliding base 7. The baffle 102 limits the sliding distance of the sliding base 7. The flat stator 2 generates a magnetic field, interacting with the flat mover 8 to drive movement. The sliding structure consists of a first ball guide groove 3, a second ball guide groove 11, and a ball assembly 5, achieving low-friction relative movement between the sliding base 7 and the guide rail 1. The wheel guide strip 4 has a strip-shaped groove aligned with its axial direction, guiding the rolling trajectory of the roller 10 and enhancing positioning accuracy. The sliding base 7 supports the flat mover 8 and the height adjustment block 9, and also supports external components. When energized, the flat mover 8 interacts with the magnetic field of the flat stator 2 to generate driving force. The height adjustment block 9 mounts the roller 10 and its position can be adjusted via screws to control the magnetic gap. The roller 10 can roll along the wheel guide strip 4, sharing lateral loads. The ball return device 6 is used to allow the balls flowing out of the second ball guide bar 11 to flow back to the beginning of the ball return channel 704, or to allow the balls at the end of the ball return channel 704 to flow back into the second ball guide bar 11. The first ball guide bar 3 serves as the static track for the rolling of the ball assembly 5, providing a stable support surface and guiding the ball assembly 5 to move axially, ensuring the directional accuracy of the sliding base 7 during movement. The ball assembly 5 bears the main frictional load during movement, and significantly reduces resistance by replacing sliding friction with point contact rolling. The second ball guide bar 11 serves as the dynamic track for the rolling of the ball assembly 5.

[0029] The working process of a linear motor module with an internal support structure is described as follows: According to actual needs, the height of the roller 10 protruding from the bottom of the sliding base 7 is adjusted by adjusting the position of the height adjustment block 9 within the positioning block adjustment groove 702 of the sliding base 7 using screws, thereby adjusting the magnetic gap between the flat moving element 8 and the flat stator 2. Increasing the magnetic gap between the flat stator 2 and the flat moving element 8 weakens the magnetic attraction between them, thus reducing the frictional resistance between the sliding base 7 and the guide rail 1. Furthermore, during the sliding of the sliding base 7 on the guide rail 1, the roller 10 can bear the lateral force, preventing the sliding base 7 from swaying. When the flat moving element 8 is energized, the flat stator 2 generates a constant magnetic field, and the flat moving element 8 generates an alternating magnetic field. The interaction between the two generates an axial driving force (Lorentz force). During the movement of the linear motor module, the ball bearing assembly 5 circulates within the circulation channel. When the current to the flat moving element 8 is cut off, the magnetic force disappears, and the linear motor module stops through mechanical damping.

[0030] The technical advantages of a linear motor module with an internal support structure: The linear motor module in this embodiment adopts a combination of magnetic gap adjustment and a dual support system (including a sliding structure and rollers 10), thereby reducing wear on the contact surface of the guide rail 1, improving the service life of the linear motor module and reducing maintenance costs; the ball bearing assembly 5 is used to slide in the circulation channel to avoid jamming, and the wheel guide strip 4 is used to guide the rollers 10 to suppress vibration; the height adjustment block 9 can be adjusted in the positioning block adjustment groove 702 of the sliding base 7 to facilitate the maintenance of the magnetic gap.

[0031] The above-described specific embodiments are preferred embodiments of this utility model and are not intended to limit this utility model. Any other changes or equivalent substitutions made without departing from the technical solution of this utility model are included within the protection scope of this utility model.

Claims

1. A linear motor module with an internal support structure, characterized in that: The system includes a guide rail (1), a flat stator (2), a sliding structure, a wheel guide bar (4), a sliding base (7), a flat mover (8), a height adjustment block (9), and a roller (10). The flat mover (8) is installed at the bottom of the sliding base (7). The height adjustment block (9) is adjustablely installed on both sides of the sliding base (7). The roller (10) is rotatably connected to the height adjustment block (9). The roller (10) is connected to the wheel guide bar (4). The wheel guide bar (4) is installed at the top of the guide rail (1). The sliding base (7) is connected to the outer sides of the guide rail (1) through the sliding structure. The flat stator (2) is installed inside the guide rail (1). The flat stator (2) corresponds to the flat mover (8).

2. A linear motor module with an internal support structure according to claim 1, characterized in that: The sliding structure includes a first ball guide groove (3), a ball assembly (5), and a second ball guide groove (11). The first ball guide groove (3) is installed on the outer sides of the guide rail (1), and the second ball guide groove (11) is installed on the inner sides of the sliding base (7). The first ball guide groove (3) is connected to the ball assembly (5) and the second ball guide groove (11).

3. A linear motor module with an internal support structure according to claim 2, characterized in that: It also includes a ball return device (6), the sliding base (7) is provided with a ball return channel (704), the two ends of the ball return channel (704) are respectively connected to one end of the ball return device (6), and the other end of the ball return device (6) is respectively connected to both ends of the second ball guide groove (11). The ball return device (6), the ball return channel (704) and the second ball guide groove (11) form a circulation channel, and the ball assembly (5) is installed in the circulation channel.

4. A linear motor module with an internal support structure according to claim 3, characterized in that: The ball return device (6) is provided with a ball return groove (601), and the two ends of the ball return groove (601) are respectively connected to the ball return channel (704) and the second ball guide bar (11), and the ball assembly (5) is connected to the ball return groove (601).

5. A linear motor module with an internal support structure according to claim 1, characterized in that: The number of the flat stator (2) is two pieces, and the two flat stators (2) are laid flat on the guide rail (1) along the axial direction of the guide rail (1).

6. A linear motor module with an internal support structure according to claim 1, characterized in that: The wheel guide bar (4) is provided with a strip-shaped groove with the same axis as its axis, and the strip-shaped groove matches the roller (10).

7. A linear motor module with an internal support structure according to claim 1, characterized in that: Both ends of the sliding base (7) are provided with positioning block adjustment holes (705), and the height adjustment block (9) is adjustablely connected to the positioning block adjustment holes (705) by screws.

8. A linear motor module with an internal support structure according to claim 1, characterized in that: The guide rail (1) includes a base plate (101) and two baffles (102), with the two ends of the base plate (101) connected to the two baffles (102) respectively.

Images