A linear motor platform

Abstract

The application discloses a linear motor platform, which comprises a base, a sliding table, a primary and a secondary, wherein the sliding table is configured to make linear motion relative to the base; the primary comprises a coreless mover which is fixed on the base by means of thermal conductive glue; the secondary comprises a plurality of magnets which are arranged in a Halbach array and directly fixed on the sliding table, and the secondary is arranged opposite to the primary to generate electromagnetic force to drive the sliding table to make linear motion relative to the base when the primary is electrified. In the application, the secondary magnets are arranged in a Halbach array and directly fixed on the sliding table, so that the magnetic yoke and the supporting strip are omitted, the number of parts and the assembly process of the secondary are reduced, the weight and cost are lowered, and the volume is reduced. The primary adopts the coreless mover without supporting wire rack, which is directly bonded with the base by means of thermal conductive glue, so that the contact area is increased, the volume is further reduced, and the heat dissipation efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of motor technology, and more specifically to a linear motor platform. Background Technology

[0002] Linear motor platforms can directly convert electrical energy into mechanical energy for linear motion. They have advantages such as simple structure, fast response, and high precision, and are widely used in precision machining, semiconductor manufacturing, automated testing, and other applications requiring high-precision linear motion.

[0003] In existing technologies, linear motor platforms often employ a U-shaped mover and a U-shaped stator. The U-shaped coreless mover forms the primary stage of the linear motor platform, while the U-shaped stator forms the secondary stage. On one hand, existing U-shaped stators are typically manufactured separately from components such as the yoke, magnets, and support bars, then assembled into independent modules and installed on the motor platform. Because these independent modules rely on the yoke and support bars for magnet installation and structural support, the number of parts is large, the assembly process is complex, and the overall weight and cost are relatively high. Simultaneously, the yoke and support bars occupy additional installation space, making it difficult to reduce the size of the secondary stage, resulting in a larger combined primary and secondary stage size and a larger final product size. On the other hand, existing movers typically need to be fixed to the base using support frames and screws, leading to a larger primary stage size and a smaller contact area between the mover and the base, resulting in poor heat dissipation during operation and affecting the motor's operational stability. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a linear motor platform to solve the technical problems of excessive weight, high cost, large product size and poor heat dissipation when powered on due to existing secondary modular assembly.

[0005] To address the aforementioned technical problems, this invention provides a linear motor platform, comprising a base, a slide, a primary winding, and a secondary winding; wherein... The slide is configured to move linearly relative to the base; The primary component includes a coreless mover, which is fixed to the base by thermally conductive adhesive. The secondary stage includes multiple magnets arranged in a Hellbeck array and directly fixed to the slide. The secondary stage is positioned opposite to the primary stage to generate an electromagnetic force when the primary stage is energized, driving the slide to move linearly relative to the base.

[0006] The beneficial technical effects of this invention are as follows: Compared with the prior art, in the linear motor platform of this invention, multiple secondary magnets are arranged in a Hellbeck array and directly fixed to the slide table. This eliminates the need for a magnetic yoke and support bars to form the required magnetic field distribution on one side of the slide table, reducing the number of secondary components and assembly steps, thus lowering weight and cost. Simultaneously, it improves the space utilization between the magnets and the slide table, increases the magnet's sensing area, and shortens the length of the magnet assembly and reduces the size of the primary and secondary components under the same thrust, thereby achieving a reduction in the overall weight and volume of the linear motor platform. Furthermore, the coreless mover is directly bonded to the base with thermally conductive adhesive, eliminating the need for a support frame for installation, further reducing the volume. The heating surface of the coreless mover forms a large-area contact with the base, allowing the heat generated after power-on to be quickly conducted to the base and dissipated outwards, thereby improving heat dissipation efficiency and ensuring the stability of the linear motor platform's operation. Attached Figure Description

[0007] Figure 1 This is a structural schematic diagram of a specific embodiment of the linear motor platform of the present invention.

[0008] Figure 2 yes Figure 1 The diagram shows the exploded structure of the linear motor platform.

[0009] Figure 3 yes Figure 1 The diagram shows an exploded view of the linear motor platform from another perspective.

[0010] Figure 4 yes Figure 1 The diagram shows a cross-sectional view of the linear motor platform.

[0011] Figure 5 yes Figure 4 An enlarged schematic diagram of part A in the middle.

[0012] Figure 6 yes Figure 2 The diagram shows the assembly of the slide and magnet in the linear motor platform.

[0013] Figure 7 yes Figure 2 The diagram shows the assembly structure of the base in the linear motor platform.

[0014] The markings in the diagram are as follows: 10. Base; 11. Mounting groove; 111. Groove bottom; 112. Side wall; 12. Mounting plate; 13. Thermal conductive adhesive; 20. Slide table; 30. Guide assembly; 31. Rolling guide pair; 311. Main guide rail; 312. Secondary guide rail; 40. Coreless mover; 41. Winding; 42. First thermal conductive surface; 43. Third thermal conductive surface; 50. Secondary stage; 51. Magnet; 52. Magnet layer; 60. Stroke detection assembly; 61. Grating ruler; 62. Encoder; 70. Encoder fixing block; 81. Transformer plate; 82. Wire guide plate; 83. Outlet sealing plate; 91. Limiting magnet; 921. Stop; 921a. Anti-collision block; 922. Elastic buffer; 922a-922b. Anti-collision adhesive; 93. Protective end plate; 94. Transport fixing plate. Detailed Implementation

[0015] To enable those skilled in the art to more clearly understand the purpose, technical solution, and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0016] Reference Figures 1 to 7 , Figures 1 to 7 A specific embodiment of the linear motor platform of the present invention is shown. In the embodiment shown in the figures, the linear motor platform includes a base 10, a slide 20, a primary stage, and a secondary stage 50; wherein, the slide 20 is located above the base 10 and is configured to move linearly relative to the base 10; specifically, in this embodiment, the slide 20 can move linearly relative to the base 10 via a guide assembly 30; the primary stage includes a coreless mover 40, which is directly bonded and fixed to the base 10 by thermally conductive adhesive 13, without the need for a support frame for installation; and the secondary stage 50 includes a plurality of magnets 51, which are arranged in a Hellbeck array and directly fixed to the slide 20, and the secondary stage 50 is arranged opposite to the primary stage to generate an electromagnetic force when the primary stage is energized, driving the slide 20 to move linearly relative to the base 10 along the guide assembly 30. In this embodiment, no yoke or support bar is provided between the magnet 51 and the slide 20. Multiple magnets 51 are arranged sequentially along the moving direction of the slide 20. The magnetization direction of adjacent magnets 51 is sequentially rotated by a set angle (e.g., 90°), concentrating the magnetic field on the side facing the primary and weakening it on the side away from the primary, thus forming a Heilbeck array. Preferably, each magnet 51 is fixed to the slide 20 by bonding with high-strength structural adhesive. High-strength structural adhesive refers to a structural adhesive with a steel-to-steel shear strength of not less than 18 MPa and a tensile bonding strength of not less than 30 MPa, such as epoxy resin, acrylic, polyurethane, or cyanoacrylate structural adhesives.

[0017] The linear motor platform provided by this invention has a base 10 as a fixed part of the entire platform, used for fixed connection with an external mounting surface (such as the frame of an optical communication module coupling device), thereby providing a mounting foundation for the platform. The slide table 20 slides linearly relative to the base 10 along the extension direction of the guide assembly 30, thereby driving the load mounted on the slide table 20 to achieve high-precision linear motion. This linear motor platform can be applied to precision machining, semiconductor manufacturing, automated inspection, and other applications. Especially in the field of optical communication, it can be used as a high-precision linear positioning actuator in equipment for optical module coupling, fiber alignment, and optical device packaging to improve optical path alignment accuracy and coupling efficiency.

[0018] To achieve the aforementioned high-precision linear motion while also considering lightweight and miniaturization, the multiple magnets 51 of the secondary stage 50 in the linear motor platform of this invention are arranged in a Hellbeck array and directly fixed to the slide table 20. This eliminates the need for a magnetic yoke and support bars, allowing the formation of the required magnetic field distribution on one side of the slide table 20. This reduces the number of components and assembly steps in the secondary stage 50, lowering weight and cost. Simultaneously, it improves the space utilization between the magnets 51 and the slide table 20, increases the sensing area of ​​the magnets 51, and shortens the length of the magnet 51 assembly under the same thrust, reducing the size of the primary and secondary stages 50. This results in a reduction in the overall weight and size of the linear motor platform. Furthermore, the coreless mover 40 has a supportless wireframe structure, further reducing its size. The coreless mover 40 is bonded to the base 10 using thermally conductive adhesive 13, increasing the contact area. The heat generated after energization is quickly conducted to the base 10 and dissipated outwards, improving heat dissipation efficiency and ensuring the stability of the linear motor platform. Based on this, high-strength structural adhesive is used to structurally bond and fix the magnet 51 and the slide table 20, so that this direct fixing method can withstand the dynamic load and vibration generated during the operation of the linear motor platform and maintain stable bonding performance within the expected service life, thereby providing a reliable connection guarantee for the above-mentioned lightweight and miniaturized structure without magnetic yoke and support strip.

[0019] Furthermore, in this embodiment, the dimensions of the array formed by the multiple magnets 51 along the moving direction of the slide table 20 are configured such that, throughout the entire stroke of the slide table 20, the orthographic projection of the array along a direction perpendicular to the surface of the slide table 20 always covers the coreless mover 40. Thus, during the reciprocating motion of the slide table 20, the electromagnetic coupling area between the primary and secondary magnets 50 remains stable, avoiding thrust fluctuations caused by the edges of the magnets 51 leaving the mover 40 area, which is beneficial for improving the smoothness and positioning accuracy of the linear motor platform.

[0020] In some embodiments, the coreless mover 40 has a first thermally conductive surface 42, and the base 10 has a second thermally conductive surface opposite to the first thermally conductive surface 42. The first thermally conductive surface 42 is bonded to the second thermally conductive surface by the thermally conductive adhesive 13. The surface-to-surface contact between the first thermally conductive surface 42 and the second thermally conductive surface increases the thermally conductive contact area between the coreless mover 40 and the base 10, allowing the heat generated by the coreless mover 40 to be quickly conducted to the base 10 via the thermally conductive adhesive 13, thereby accelerating heat dissipation.

[0021] like Figures 2 to 5 As shown, specifically, the base 10 is provided with a mounting groove 11, which is formed by the inward recess of the surface of the base 10 toward the slide table 20, and has a groove bottom 111 and a side wall 112 surrounding the groove bottom 111. During installation, the coreless mover 40 is embedded in the mounting groove 11, the shape of which is adapted to the shape of the coreless mover 40, and the side wall 112 can be used to accommodate and limit the coreless mover 40. The coreless mover 40 forms a first heat-conducting surface 42 on the surface facing the bottom 111 of the groove. The bottom 111 of the mounting groove 11 forms a second heat-conducting surface opposite to the first heat-conducting surface 42. The first heat-conducting surface 42 is bonded to the second heat-conducting surface by thermally conductive adhesive 13. In this embodiment, the thermally conductive adhesive 13 is evenly distributed between the first heat-conducting surface 42 and the second heat-conducting surface, which can avoid local gaps or uneven adhesive layer thickness between the two heat-conducting surfaces, thereby reducing local thermal resistance. This allows the heat generated by the coreless mover 40 to be more evenly conducted to the base 10 through the first heat-conducting surface 42, the thermally conductive adhesive 13 and the second heat-conducting surface, and then dissipated outward from the base 10. Based on the above design, in this embodiment, the coreless mover 40 is a coreless mover without a support wire frame, and is directly bonded and fixed to the mounting groove 11 of the base 10 by thermally conductive adhesive 13. Since the support wire frame and screw adapter are eliminated during fixing, it is beneficial to reduce the width of the coreless mover 40 and the volume of the platform, further improve the space utilization rate and avoid the reduction of thrust performance due to space constraints. At the same time, the surface of the coreless mover 40 and the mounting groove 11 of the base 10 form a large-area contact through the thermally conductive adhesive 13, and the thermally conductive adhesive 13 is evenly distributed, so that the heat generated by the coreless mover 40 after power-on can be quickly and evenly conducted to the base 10 and dissipated outward, improving heat dissipation efficiency and ensuring the operational stability of the linear motor platform.

[0022] To further accelerate heat dissipation, combined with Figure 7In some embodiments, the coreless mover 40 further has a third heat-conducting surface 43, which is at least one surface of the coreless mover 40 facing the sidewall 112. The sidewall 112 of the mounting groove 11 forms a fourth heat-conducting surface opposite to the third heat-conducting surface 43. The third heat-conducting surface 43 is also bonded to the fourth heat-conducting surface by thermally conductive adhesive 13, and the thermally conductive adhesive 13 is evenly distributed between the third heat-conducting surface 43 and the fourth heat-conducting surface. Therefore, the coreless mover 40 not only conducts heat to the base 10 through the thermally conductive adhesive 13 between the bottom surface (i.e., the first thermally conductive surface 42) and the bottom of the groove 111, but also conducts heat to the base 10 through the thermally conductive adhesive 13 between the side surface (i.e., the third thermally conductive surface 43) and the side wall 112, forming a multi-faceted heat conduction path, which further increases the thermal contact area, reduces thermal resistance, and makes heat conduction more uniform and faster, avoiding local overheating; at the same time, since the side wall 112 is arranged around the bottom of the groove 111, the side wall 112 of the mounting groove 11 can also form a lateral constraint on the coreless mover 40, which is beneficial to improving installation stability.

[0023] Preferably, in this embodiment, the coreless mover 40 has a flat plate structure, and its winding 41 is encapsulated within the coreless mover 40 body. Three-phase wires are led out from the winding 41 and connected to a transfer plate 81. The transfer plate 81 is used to realize wire harness transfer. A wire outlet is provided on one side of the base 10, and the base 10 is also provided with a conductor plate 82 and a wire outlet sealing plate 83. One end of the conductor plate 82 is close to the transfer plate 81, and the other end is close to and connected to the wire outlet. It is used to guide the wires transferred by the transfer plate 81 along a set path to the wire outlet. The wire outlet sealing plate 83 is used to seal the wire outlet on the base 10 to ensure the integrity of the product's appearance. Thus, the three-phase wires of the coreless mover 40 enter the conductor plate 82 after being transferred by the transfer plate 81, and after being guided by the conductor plate 82, pass through the wire outlet sealing plate 83 and exit from the wire outlet, ensuring the reliability of the wiring.

[0024] like Figure 2 and Figure 6 As shown, further, when increased thrust is required, multiple magnets 51 can be stacked in a direction perpendicular to the surface of the slide 20 to form four magnet layers 52. Each magnet layer 52 includes multiple magnets 51 arranged sequentially along the moving direction of the slide 20, and the magnetization direction of two adjacent magnets 51 in each magnet layer 52 is sequentially rotated by a set angle to form a Hellbeck array. Adjacent magnet layers 52 and magnet layers 52 attached to the slide 20 are bonded together with high-strength structural adhesive. Understandably, in some other embodiments, the number of magnet layers 52 can be increased or decreased according to actual needs.

[0025] Continue to refer to Figure 2 and Figure 7 The guide assembly 30 includes two rolling guide rail pairs 31, which are respectively disposed on both sides of the opposing surfaces of the base 10 and the slide table 20. Each rolling guide rail pair 31 includes a main guide rail 311 and a secondary guide rail 312. The main guide rail 311 is mounted on the surface of the base 10 facing the slide table 20, and the secondary guide rail 312 is mounted on the surface of the slide table 20 facing the base 10. A rolling element is provided between the main guide rail 311 and the secondary guide rail 312, so that both sides of the slide table 20 are supported on the base 10 by the guide assembly 30 and slide linearly relative to the base 10 along the extension direction of the main guide rail 311.

[0026] In some embodiments, the linear motor platform further includes a stroke detection component 60, which includes a grating ruler 61 and an encoder 62. A mounting plate 12 is provided on the side of the base 10 along the guide rail extension direction. The grating ruler 61 is mounted on the mounting plate 12, and the encoder 62 is mounted on the side of the slide table 20 via an encoder fixing block 70, and is positioned opposite to the grating ruler 61, for detecting the position of the slide table 20 relative to the base 10. Preferably, the grating ruler 61 can be a high-resolution precision grating ruler, and the encoder 62 can be a high-resolution precision encoder that cooperates with the grating ruler 61. Together, they achieve sub-micron level positioning. Based on the above design, when the slide table 20 moves relative to the base 10, the encoder 62 senses the position change of the grating ruler 61, thereby feeding back the current position of the slide table 20 to an external controller or driver, achieving closed-loop control.

[0027] Furthermore, the linear motor platform also includes two limiting magnets 91, which are mounted on the mounting plate 12 and located below the grating ruler 61 and close to both ends of the grating ruler 61. These magnets cooperate with the encoder 62 to limit the movement of the slide table 20. In this embodiment, the encoder 62 is an integrated grating reading head, which has both grating reading and magnetic induction functions. The encoder 62 and the limiting magnets 91 can also achieve electromagnetic limiting. When the encoder 62 moves with the slide table 20 above the limiting magnets 91, the magnetic induction element within the encoder 62 senses the limiting magnets 91 and identifies that the slide table 20 has reached its limit, thereby controlling the travel of the slide table 20 to prevent it from exceeding its travel limit. It is understood that in some other embodiments, a magnetic induction element can also be integrated on the encoder fixing block 70 to cooperate with the limiting magnets 91 and achieve electromagnetic limiting.

[0028] Continue to refer to Figure 1 , Figure 3 and Figure 7In this embodiment, a limiting buffer assembly is also provided between the slide table 20 and the base 10. The limiting buffer assembly includes a stop 921 and an elastic buffer 922 that cooperate with each other. The stop 921 and the elastic buffer 922 abut against each other at the end of the stroke of the slide table 20 to limit the stroke of the slide table 20 and buffer the impact, prevent the slide table 20 from overtravel, and further prevent the slide table 20 from lateral displacement due to overtravel.

[0029] Specifically, the elastic buffer 922 includes anti-collision rubber 922a and anti-collision rubber 922b, and the stop 921 includes an anti-collision block 921a. The anti-collision rubber 922a and 922b are fixed to the side of the base 10 and are respectively close to both ends of the guide assembly 30. The anti-collision block 921a is installed on the side of the slide table 20 and is located between the anti-collision rubber 922a and 922b. Both the anti-collision rubber 922a and 922b are made of elastic gel material, which can undergo elastic deformation upon impact, thereby absorbing impact energy and achieving buffering. It can also buffer the impact of external objects on the linear motor platform. Based on the above design, the present invention can mechanically limit and buffer the slide table 20 through the anti-collision block 921a and the two anti-collision rubbers, while also buffering external impacts.

[0030] It should be noted that in some other embodiments, anti-collision rubber 922a and anti-collision rubber 922b can also be fixed to the side of the slide table 20. Correspondingly, anti-collision block 921a is installed on the side of the base 10 and is located between anti-collision rubber 922a and anti-collision rubber 922b, which can also achieve mechanical limiting and buffering of the slide table 20.

[0031] Furthermore, in some embodiments, the linear motor platform further includes two protective end plates 93 and two transport fixing plates 94. The two protective end plates 93 are respectively disposed at both ends of the slide 20 along the extension direction of the guide assembly 30, and are used to protect and seal the internal components between the slide 20 and the base 10, thereby protecting and sealing the internal components. The two transport fixing plates 94 are detachably connected to the slide 20 and the base 10, respectively. In the transportation state, the transport fixing plates 94 are connected to the slide 20 and the base 10 to fix the slide 20 to the base 10 and prevent the slide 20 from shaking during transportation; when the linear motor platform is put into use, the transport fixing plates 94 can be removed.

[0032] Understandably, when the linear motor platform of the present invention is working, the external driver energizes the coreless mover 40 fixed on the base 10 and outputs a running command. The coreless mover 40 interacts with the magnet 51 on the slide table 20, driving the slide table 20 to move back and forth along the extension direction of the guide rail. During this process, the encoder 62 senses the position change of the grating ruler 61 installed on the base 10, thereby providing feedback on the current position of the slide table 20 and realizing closed-loop control. When the encoder 62 runs above the limit magnet 91, it can sense the limit position and control the primary to stop or reverse. If the electromagnetic limit fails or the slide table 20 continues to move to the end of its stroke due to an abnormality, the anti-collision block 921a installed on the side of the slide table 20 abuts against the anti-collision rubber 922a / 922b installed on the side of the base 10, mechanically stopping and buffering the slide table 20, thereby forming a mechanical limit to prevent the slide table 20 from overtraveling, hard collision, or derailment. Thus, electromagnetic and mechanical limits together constitute the dual limit protection for the operation of the slide 20 in the linear motor platform of this invention.

[0033] In summary, the linear motor platform of this invention features multiple magnets arranged in a Hellbeck array and directly bonded to the slide table. This eliminates the need for a magnetic yoke and support bars, allowing the formation of the required magnetic field distribution on one side of the slide table. This reduces the number of secondary components and assembly steps, lowering weight and cost. Simultaneously, it improves the space utilization between the magnets and the slide table, increases the magnet's sensing area, and shortens the length of the magnet assembly and reduces the size of the primary and secondary components under the same thrust, thereby reducing the overall weight and size of the linear motor platform. Furthermore, the coreless mover is directly bonded to the base using thermally conductive adhesive, further reducing the volume. The heating surface of the coreless mover forms a large-area fit with the base, allowing the heat generated after energization to be quickly conducted to the base and dissipated outwards via the thermally conductive adhesive, thus improving heat dissipation efficiency and ensuring the stability of the linear motor platform's operation.

[0034] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention in any way. Those skilled in the art can make various equivalent changes and improvements based on the above embodiments, and all equivalent changes or modifications made within the scope of the claims should fall within the protection scope of the present invention.

Claims

1. A linear motor platform, comprising a base, a slide, a primary motor, and a secondary motor, wherein the slide is configured to perform linear motion relative to the base; characterized in that, The primary component includes a coreless mover, which is fixed to the base by thermally conductive adhesive. The secondary stage includes multiple magnets arranged in a Hellbeck array and directly fixed to the slide. The secondary stage is positioned opposite to the primary stage to generate an electromagnetic force when the primary stage is energized, driving the slide to move linearly relative to the base.

2. The linear motor platform as described in claim 1, characterized in that, The coreless mover has a first thermally conductive surface, and the base has a second thermally conductive surface opposite to the first thermally conductive surface. The first thermally conductive surface is bonded to the second thermally conductive surface by the thermally conductive adhesive.

3. The linear motor platform as described in claim 2, characterized in that, The base is provided with a mounting groove, and the coreless mover is installed in the mounting groove. The surface of the coreless mover facing the bottom of the mounting groove forms the first heat-conducting surface, and the bottom of the mounting groove forms the second heat-conducting surface. The thermally conductive adhesive is evenly distributed between the first heat-conducting surface and the second heat-conducting surface. The heat generated by the coreless mover is conducted to the base through the first heat-conducting surface, the thermally conductive adhesive and the second heat-conducting surface, and then dissipated outward from the base.

4. The linear motor platform as described in claim 3, characterized in that, The mounting groove is formed by the inward recess of the base surface facing the slide table and has a sidewall surrounding the bottom of the groove; the coreless mover also has a third heat-conducting surface, and the sidewall of the mounting groove forms a fourth heat-conducting surface, and the third heat-conducting surface is bonded to the fourth heat-conducting surface by the heat-conducting adhesive.

5. The linear motor platform as described in claim 1, characterized in that, Multiple magnets are bonded to the slide table with high-strength structural adhesive, and the array formed by the multiple magnets is configured such that, within the stroke range of the slide table, the orthographic projection of the array in a direction perpendicular to the slide table surface always covers the coreless mover.

6. The linear motor platform as described in claim 1 or 5, characterized in that, The plurality of magnets are stacked in a direction perpendicular to the slide table to form at least two magnet layers. The magnetization direction of two adjacent magnets in each magnet layer is rotated by a set angle to form a Hellbeck array. The adjacent magnet layers and the magnet layers attached to the slide table are bonded together with high-strength structural adhesive.

7. The linear motor platform as described in claim 1, characterized in that, The linear motor platform also includes a stroke detection component, which includes a grating ruler and an encoder; wherein the grating ruler is mounted on the side of the base, and the encoder is mounted on the side of the slide and is arranged opposite to the grating ruler, for detecting the position of the slide relative to the base.

8. The linear motor platform as described in claim 7, characterized in that, The linear motor platform also includes at least one limiting magnet, which is disposed on the side of the base and near the end of the grating ruler, and is used to cooperate with the encoder to limit the movement of the slide.

9. The linear motor platform as described in claim 1, characterized in that, A limiting buffer assembly is provided between the slide and the base. The limiting buffer assembly includes a stop and an elastic buffer that cooperate with each other. The stop and the elastic buffer abut against each other at the end of the slide's stroke to limit the slide's stroke and buffer impact.

10. The linear motor platform as described in claim 9, characterized in that, The elastic buffer includes two anti-collision rubbers, and the stop includes an anti-collision block; wherein... The two anti-collision rubbers are fixed to the side of the base and are respectively close to both ends of the slide's travel. The anti-collision block is installed on the side of the slide and is located between the two anti-collision rubbers; or The two anti-collision rubbers are fixed to the side of the slide table and are respectively close to the two ends of the slide table's travel. The anti-collision block is installed on the side of the base and is located between the two anti-collision rubbers.

11. The linear motor platform as described in claim 1, characterized in that, The linear motor platform further includes two protective end plates and at least one transport fixing plate. The two protective end plates are respectively disposed at both ends of the slide along its linear movement direction, and are used to protect and seal the internal components between the slide and the base. The transport fixing plate is detachably connected to the slide and the base respectively.

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