Single-axis linear motion module structure
By introducing a linear motor module and a grating reading head and a grating scale into a single-axis linear motion module, the positioning accuracy and response speed problems of traditional modules in high-speed and high-precision applications are solved, and efficient and stable linear motion is achieved.
Patent Information
- Application Number
- CN202422401176.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-30
AI Technical Summary
Traditional single-axis linear motion modules are difficult to meet the needs of positioning accuracy and fast response in high-speed and high-precision applications, especially in high-speed and high-precision dispensing and patching equipment.
The linear motor module is used to combine the grating reading head and the grating scale design, and the linear motor stator is slidingly connected, and the grating reading head and the grating scale are combined to improve the position detection accuracy, and the second guide rail and slider are enhanced to ensure the smoothness and stability of the movement.
It realizes efficient and high-precision linear motion, improves the accuracy of position detection, smoothness and stability of motion, and enhances the reliability and positioning accuracy of the system.
Smart Images

Figure CN223156950U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of linear motion mechanisms, and particularly relates to a single-axis linear motion module structure. Background Art
[0002] With the development of automation technology, single-axis linear motion modules have been widely used in fields such as precision machining and electronics manufacturing due to their high precision, high speed, and high reliability. Traditional single-axis linear motion modules mainly rely on servo motors cooperating with ball screws or synchronous belts to achieve linear motion. Although this design is mature and reliable, there are certain limitations in terms of speed and accuracy. Especially in application scenarios that require high positioning accuracy and fast response, the traditional method is difficult to meet the requirements and is difficult to meet the needs of high-speed and high-precision dispensing and chip mounter equipment. Content of the Utility Model
[0003] The utility model aims to at least solve the technical problems existing in the prior art. For this reason, the utility model provides a single-axis linear motion module structure with good structural stability, which realizes efficient and high-precision linear motion, ensures the smoothness and stability of the motion, and the combination of the grating reading head and the grating scale improves the accuracy of position detection.
[0004] According to some embodiments of the utility model, a single-axis linear motion module structure includes a base. A linear motor module is arranged on the top of the base. The linear motor module includes a linear motor stator and a linear motor mover. The linear motor stator is arranged on the base. The linear motor mover is slidably arranged in the linear motor stator. A first connecting plate is arranged on the top of the linear motor mover. A second connecting plate is arranged on the side wall of the linear motor mover. A first guide rail is arranged on the side wall of the base. A first slider is arranged on the inner side of the second connecting plate. The first slider is slidably connected with the first guide rail. A grating reading head is arranged on the inner side of the second connecting plate. A grating scale is arranged on the side wall of the base.
[0005] According to some embodiments of the utility model, a single-axis linear motion module structure has at least the following beneficial effects:
[0006] In this utility model, the stator of the linear motor is arranged on the base, the mover of the linear motor is slidably arranged in the stator of the linear motor, a first connecting plate is arranged at the top of the mover of the linear motor, a second connecting plate is arranged on the side wall of the mover of the linear motor, a first guide rail is arranged on the side wall of the base, a first slider is arranged inside the second connecting plate, the first slider is slidably connected with the first guide rail, a grating reading head is arranged inside the second connecting plate, a grating scale is arranged on the side wall of the base. The single-axis linear motion module structure realizes efficient and high-precision linear motion through the linear motor module. The mover of the linear motor slides in the stator of the linear motor, ensuring the smoothness and stability of the motion. The design of the first connecting plate and the second connecting plate facilitates the installation and connection of other components. The combination of the grating reading head and the grating scale improves the accuracy of position detection.
[0007] According to a single-axis linear motion module structure of some embodiments of the present utility model, a second guide rail is arranged on the top of the base, a second slider is arranged at the bottom of the first connecting plate, and the second slider is slidably connected with the second guide rail.
[0008] According to a single-axis linear motion module structure of some embodiments of the present utility model, the opening of the stator of the linear motor faces the second connecting plate, a connecting piece is annularly arranged at one end of the mover of the linear motor close to the second connecting plate, the first connecting plate is arranged on the top of the connecting piece, and the second connecting plate is arranged on the side wall of the connecting piece.
[0009] According to a single-axis linear motion module structure of some embodiments of the present utility model, a convex block protrudes downward at one end of the first connecting plate far from the second connecting plate, and the second slider is arranged at the bottom of the convex block.
[0010] According to a single-axis linear motion module structure of some embodiments of the present utility model, a photoelectric switch is arranged on the side wall of the base, an induction sheet is arranged on the outside of the first connecting plate, and the induction sheet is arranged corresponding to the photoelectric switch.
[0011] According to a single-axis linear motion module structure of some embodiments of the present utility model, the photoelectric switch and the grating scale are respectively arranged at both ends of the base, and the induction sheet is arranged on one side of the first connecting plate far from the second connecting plate.
[0012] According to a single-axis linear motion module structure of some embodiments of the present utility model, baffles are respectively arranged at both ends of the base, and the linear motor module is arranged between the two baffles.
[0013] According to a single-axis linear motion module structure of some embodiments of the present utility model, anti-collision rubber blocks are arranged on the inner sides of the two baffles.
[0014] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, where:
[0016] Figure 1 is a schematic structural diagram of an embodiment of the present utility model Figure 1 .
[0017] Figure 2 is a schematic structural diagram of an embodiment of the present utility model Figure 2 .
[0018] Reference numerals: 1, base; 2, linear motor module; 3, linear motor stator; 4, linear motor mover; 5, first connecting plate; 6, second connecting plate; 7, first guide rail; 8, first slider; 9, grating reading head; 10, grating scale; 11, second guide rail; 12, second slider; 13, connecting member; 14, convex block; 15, photoelectric switch; 16, induction piece; 17, baffle; 18, anti-collision rubber block. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.
[0020] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as up, down, left, right, front, back, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the module or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation to the present utility model.
[0021] In the description of the present utility model, if the terms first and second are used only for the purpose of distinguishing technical features, they should not be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or the sequence of the indicated technical features.
[0022] In the description of the present utility model, unless otherwise clearly defined, terms such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the relevant technical field can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.
[0023] As Figure 1 - Figure 2 shown, the embodiment of the present utility model provides a single-axis linear motion module structure.
[0024] A single-axis linear motion module structure includes a base 1. A linear motor module 2 is provided on the top of the base 1. The linear motor module 2 includes a linear motor stator 3 and a linear motor mover 4. The linear motor stator 3 is provided on the base 1. The linear motor mover 4 is slidably provided in the linear motor stator 3. A first connecting plate 5 is provided on the top of the linear motor mover 4. A second connecting plate 6 is provided on the side wall of the linear motor mover 4. A first guide rail 7 is provided on the side wall of the base 1. A first slider 8 is provided inside the second connecting plate 6. The first slider 8 is slidably connected with the first guide rail 7. A grating reading head 9 is provided inside the second connecting plate 6. A grating scale 10 is provided on the side wall of the base 1.
[0025] In the present utility model, the linear motor stator 3 is provided on the base 1, the linear motor mover 4 is slidably provided in the linear motor stator 3, the first connecting plate 5 is provided on the top of the linear motor mover 4, the second connecting plate 6 is provided on the side wall of the linear motor mover 4, the first guide rail 7 is provided on the side wall of the base 1, the first slider 8 is provided inside the second connecting plate 6, the first slider 8 is slidably connected with the first guide rail 7, the grating reading head 9 is provided inside the second connecting plate 6, and the grating scale 10 is provided on the side wall of the base 1. This single-axis linear motion module structure realizes efficient and high-precision linear motion through the linear motor module 2. The linear motor mover 4 slides in the linear motor stator 3, ensuring the smoothness and stability of the motion. The designs of the first connecting plate 5 and the second connecting plate 6 facilitate the installation and connection of other components. The combination of the grating reading head 9 and the grating scale 10 improves the accuracy of position detection.
[0026] In the single-axis linear motion module structure described in this embodiment, a second guide rail 11 is provided on the top of the base 1. A second slider 12 is provided at the bottom of the first connecting plate 5. The second slider 12 is slidably connected with the second guide rail 11. Specifically, by providing the second guide rail 11 and the second slider 12, the guiding mechanism of the system is increased, ensuring that the linear motor mover 4 is more stable during the motion process, reducing shaking, and further improving the positioning accuracy.
[0027] A single-axis linear motion module structure according to this embodiment, the opening of the linear motor stator 3 faces the second connecting plate 6, a connecting member 13 is annularly provided at one end of the linear motor mover 4 close to the second connecting plate 6, the first connecting plate 5 is arranged on the top of the connecting member 13, and the second connecting plate 6 is arranged on the side wall of the connecting member 13. Specifically, the design that the opening of the linear motor stator 3 faces the second connecting plate 6 and the connecting member 13 is annularly provided at one end of the linear motor mover 4 optimizes the installation structure of the linear motor mover 4, makes the installation more compact, enhances the rigidity of the overall structure, and is beneficial to improving the straightness of motion.
[0028] A single-axis linear motion module structure according to this embodiment, a convex block 14 protrudes downward from one end of the first connecting plate 5 away from the second connecting plate 6, and the second slider 12 is arranged at the bottom of the convex block 14. Specifically, the design of the convex block 14 at the end of the first connecting plate 5 enables the second slider 12 to be better fixed at its bottom, ensuring more stable contact between the slider and the guide rail, reducing errors caused by slider looseness, and enhancing the reliability of the system.
[0029] A single-axis linear motion module structure according to this embodiment, a photoelectric switch 15 is arranged on the side wall of the base 1, an induction sheet 16 is arranged on the outside of the first connecting plate 5, and the induction sheet 16 is arranged corresponding to the photoelectric switch 15. Specifically, the photoelectric switch 15 on the base 1 and the induction sheet 16 on the first connecting plate 5 are used in cooperation to achieve non-contact position detection, improving the detection speed and response time.
[0030] A single-axis linear motion module structure according to this embodiment, the photoelectric switch 15 and the grating scale 10 are respectively arranged at both ends of the base 1, and the induction sheet 16 is arranged on the side of the first connecting plate 5 away from the second connecting plate 6. Specifically, the photoelectric switch 15 and the grating scale 10 are respectively arranged at both ends of the base 1, and the induction sheet 16 is arranged on one side of the first connecting plate 5, such a layout saves space.
[0031] A single-axis linear motion module structure according to this embodiment, baffles 17 are respectively arranged at both ends of the base 1, and the linear motor module 2 is arranged between the two baffles 17. Specifically, the baffles 17 are arranged at both ends of the base 1, and the linear motor module 2 is fixed between the two baffles 17, which can effectively limit the movement range of the linear motor mover 4, prevent over-travel, and at the same time contribute to improving the structural stability of the entire system.
[0032] A single-axis linear motion module structure according to this embodiment, anti-collision rubber blocks 18 are arranged on the inner sides of the two baffles 17. Specifically, arranging the anti-collision rubber blocks 18 on the inner sides of the baffles 17 can play a buffering role when the linear motor mover 4 reaches the stroke limit, reduce the damage caused by impact, and extend the service life of the equipment. A single-axis linear motion module structure according to this embodiment, anti-collision rubber blocks are arranged on the inner sides of the two baffles. Specifically, arranging the anti-collision rubber blocks on the inner sides of the baffles can play a buffering role when the linear motor mover reaches the stroke limit, reduce the damage caused by impact, and extend the service life of the equipment.
[0033] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents.
Claims
1. A single-axis linear motion module structure, characterized in that: It includes a base, on the top of which a linear motor module is provided. The linear motor module includes a linear motor stator and a linear motor mover. The linear motor stator is arranged on the base, and the linear motor mover is slidably arranged within the linear motor stator. On the top of the linear motor mover, a first connecting plate is provided, and on the side wall of the linear motor mover, a second connecting plate is provided. On the side wall of the base, a first guide rail is provided. On the inner side of the second connecting plate, a first slider is provided, and the first slider is slidably connected to the first guide rail. On the inner side of the second connecting plate, a grating reading head is provided, and on the side wall of the base, a grating scale is provided.
2. The structure of a single-axis linear motion module according to claim 1, wherein: On the top of the base, a second guide rail is provided. On the bottom of the first connecting plate, a second slider is provided, and the second slider is slidably connected to the second guide rail.
3. The structure of a single-axis linear motion module according to claim 2, wherein: The opening of the linear motor stator faces the second connecting plate. At one end of the linear motor mover close to the second connecting plate, a connecting member is provided in a ring shape. The first connecting plate is arranged on the top of the connecting member, and the second connecting plate is arranged on the side wall of the connecting member.
4. A single-axis linear motion module structure according to claim 3, characterized in that: At one end of the first connecting plate away from the second connecting plate, a convex block protrudes downward, and the second slider is arranged at the bottom of the convex block.
5. A single-axis linear motion module structure according to claim 1, characterized in that: On the side wall of the base, a photoelectric switch is provided. On the outer side of the first connecting plate, an induction sheet is provided, and the induction sheet is arranged corresponding to the photoelectric switch.
6. The structure of a single-axis linear motion module according to claim 5, wherein: The photoelectric switch and the grating scale are respectively arranged at both ends of the base, and the induction sheet is arranged on the side of the first connecting plate away from the second connecting plate.
7. A single-axis linear motion module structure according to claim 1, characterized in that: At both ends of the base, baffles are respectively provided, and the linear motor module is arranged between the two baffles.
8. A single-axis linear motion module structure according to claim 7, characterized in that: On the inner sides of the two baffles, anti-collision rubber blocks are provided.