Sliding table device

Abstract

The invention relates to the technical field of sliding equipment, in particular to a sliding table device which comprises a sliding table body comprising a first module and a second module in sliding fit; the pair of locking mechanisms is located on the two sides of the sliding table body correspondingly. The locking mechanism comprises a first locking part, which is arranged on the first module and is provided with a first locking surface; the second locking part is arranged on the second module and forms a second locking surface; the first locking face and the second locking face are oppositely arranged and can be attached to each other along with the opposite movement of the first locking part and the second locking part or separated from each other along with the opposite movement of the first locking part and the second locking part. One first locking surface is gradually far away from the central axis of the first module from the first end to the second end of the first module, and the other first locking surface is gradually close to the central axis of the first module from the first end to the second end; and the second locking surface is configured to be a surface which is fit with the first locking surface. Through the arrangement, the locking stability is higher, so that the positioning precision of the sliding table is further improved, and the requirements of precise use scenes are met.

Description

Technical Field

[0001] This invention relates to the field of sliding device technology, and more particularly to a sliding table device. Background Technology

[0002] Precision slides are key components in modern manufacturing, measuring instruments, and automated equipment. Their positioning accuracy and stability directly determine the performance of the entire machine. In scenarios such as precision machining, optical adjustment, or long-term positioning, the slide must be absolutely locked after positioning; any slight displacement may lead to product scrap or measurement failure.

[0003] Currently, the locking method of slides generally adopts side clamping, that is, by setting a clamping structure (such as set screw) on the side of the slide, the upper and lower parts A and B of the slide are limited by friction.

[0004] However, in practical applications, it has been found that the above-mentioned locking technology has significant technical defects: the stability of the friction locking method is greatly affected by dynamic load, and the micro-displacement of the upper and lower parts is unavoidable. In scenarios with extremely high positioning accuracy requirements, such as precision machining and optical adjustment, even micro-displacement can have a great impact.

[0005] In view of the above problems, how to further improve the positioning accuracy of the slide table to meet the requirements of precision application scenarios has become an important technical problem that urgently needs to be solved. Summary of the Invention

[0006] This invention provides a slide table device to solve the defects of the existing technology, which has poor side clamping positioning effect and is difficult to meet the requirements of high precision positioning. It can further improve the positioning accuracy of the slide table and meet the requirements of precision application scenarios.

[0007] This invention provides a slide table device, comprising: The slide body includes a first module and a second module that slide together. A locking mechanism is provided, consisting of a pair located on both sides of the slide body; The locking mechanism includes: A first locking part is disposed on the first module and has a first locking surface; A second locking part is disposed on the second module and has a second locking surface; The first locking surface and the second locking surface are disposed opposite to each other, and the two can be fitted together or separated as the first locking part and the second locking part move toward each other or move away from each other. In one locking mechanism, the first locking surface gradually moves away from the central axis of the first module from the first end to the second end, while in the other locking mechanism, the first locking surface gradually moves closer to the central axis of the first module from the first end to the second end; the second locking surface is configured to mate with the first locking surface.

[0008] According to a slide table device provided by the present invention, the traveling direction of the first module or the second module is the tangential direction of the contact surface, and the locking mechanism is located on both sides of the slide table body in the Y direction; In the Z direction, the first locking surface is inclined from one side to the other along the Y direction.

[0009] According to a slide table device provided by the present invention, when the slide table device is a linear slide table, the first module and the second module slide in the X direction.

[0010] According to the present invention, when the slide device is an angular displacement slide, the relative motion trajectory of the first module and the second module in the XZ plane is an arc around an axis. The intersection points of any surface containing the axis with the first locking surface or the second locking surface are a and b, and the extension of line ab intersects the axis at point c with an included angle of A. The intersection point c of the extended lines of ab corresponding to different surfaces containing the axis and the axis is not in the same position, and the included angle A is the same for all of them.

[0011] According to the present invention, a sliding table device is provided in which the included angle between the projection lines of two different extensions of ab onto the XZ plane is B, and the distance between the two intersection points c on the axis is L, B=mL, and m is a non-zero fixed constant, so that the change of angle B and the change of distance L have a one-dimensional linear relationship.

[0012] According to a slide table device provided by the present invention, the bottom of the first module is provided with a fitting portion extending along the motion trajectory; The upper surface of the second module is provided with a fitting groove, and the fitting part slides into the fitting groove.

[0013] According to a sliding table device provided by the present invention, the second module is provided with a receiving groove; the first module is embedded in the receiving groove; The first locking part is connected to the side of the first module, and the second locking part is connected to the side wall of the receiving groove.

[0014] A slide table device provided by the present invention, From the top to the bottom of the first module, the first locking surface gradually moves away from the central axis of the first module; and / or, The bottom of the first module slides into contact with the bottom wall of the receiving groove.

[0015] According to a slide device provided by the present invention, the locking mechanism further includes a driving member for driving the second locking part to reciprocate in the Y direction.

[0016] According to a slide device provided by the present invention, the second locking part is configured as a block structure, and the second locking surface is disposed on the end face of the second locking part.

[0017] According to a slide table device provided by the present invention, a guide groove extending along the Y direction is provided on the side wall of the second module, the guide groove has an opening near the end of the first module, and the second locking part is slidably disposed in the guide groove and the end of the second locking surface thereon is exposed through the opening; The output end of the drive component is connected to the other end of the second locking part relative to the second locking surface, and is used to drive the second locking part to slide along the guide groove.

[0018] According to a slide device provided by the present invention, the driving member is configured as a set screw, the set screw is threadedly connected to the second module and its end is rotatably connected to the second locking part.

[0019] The slide device provided by the present invention allows one of the first module and the second module to move relative to the other in the X direction. When it is necessary to position the relative position of the first module and the second module, the locking mechanisms on both sides of the slide body in the Y direction are synchronously and gradually applied with force, and the first locking surface and the second locking surface can fit together as the first locking part and the second locking part move towards each other.

[0020] Because the first locking surface and the second locking surface fit together, and in the X direction, one end of the first locking surface is inclined in the Y direction, when the locking mechanism gradually applies force, the first locking surface and the second locking surface will generate component forces in the X and Y directions. At the same time, since the first locking surfaces of the two locking mechanisms are inclined in opposite directions, when the two locking mechanisms apply force simultaneously, the X-direction component forces generated by the two mechanisms abut against each other, and the Y-direction component forces are superimposed on each other. Thus, a large inner clamping force is obtained with a small operating force, which in turn generates a static friction force sufficient to resist the loosening external force and improve the locking effect.

[0021] Furthermore, the first and second locking surfaces are also subjected to a wedge force when they generate a relative motion tendency. That is, when the first module and the second module generate a relative motion tendency, the first and second locking surfaces will be continuously pressed together and generate a positive pressure on the vertical inclined surface. This positive pressure has a component force opposite to the direction of movement and a component force in the Y direction. On the one hand, it cancels out the external force that causes the relative motion tendency, and on the other hand, it continuously increases the friction force, forming a wedge-tightening closed loop of "pressing → increasing positive pressure → increasing resistance → further locking", which maximizes the locking stability and further improves the positioning accuracy of the slide, so that it can better meet the requirements of precision application scenarios. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the slide device provided in an embodiment of the present invention.

[0024] Figure 2 This is one of the top views of the slide device provided in the embodiment of the present invention.

[0025] Figure 3 This is a second top view of the slide device provided in an embodiment of the present invention.

[0026] Figure 4 This is a side view of the slide device provided in an embodiment of the present invention.

[0027] Figure 5 This is a schematic diagram of the structure of the first module provided in an embodiment of the present invention.

[0028] Figure 6 This is a schematic diagram of the structure of the second module provided in an embodiment of the present invention.

[0029] Figure 7 This is a cross-sectional view of part A where the driving member and the second locking part mate, as provided in an embodiment of the present invention.

[0030] Figure 8 This is a comparison diagram of the state of a conventional inclined plane rotating around an axis, provided in an embodiment of the present invention.

[0031] Figure 9 This is one of the comparison diagrams showing the state of the first locking surface or the second locking surface rotating around the axis provided in the embodiments of the present invention.

[0032] Figure 10This is the second state diagram of the first or second locking surface rotating around the axis provided in the embodiment of the present invention.

[0033] Figure 11 This is a schematic diagram showing the included angles of different extensions of line ab projected into the YZ plane, as provided in an embodiment of the present invention.

[0034] Figure 12 This is a schematic diagram showing the distance L between the intersection points c of different extensions of line ab and the axis of rotation, provided in an embodiment of the present invention.

[0035] Figure label: 10. Main body of the slide; 11. First module; 111. Fitting part; 12. Second module; 121. Fitting groove; 122. Receiving groove; 123. Guide groove; 20. Locking mechanism; 21. First locking part; 211. First locking surface; 22. Second locking part; 221. Second locking surface; 23. Driving component. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0037] To better understand the slide table device provided in the embodiments of the present invention, its application background is first introduced. Precision slide tables are key components in modern manufacturing, measuring instruments and automated equipment, and their positioning accuracy and stability directly determine the performance of the whole machine.

[0038] Currently, the locking method of slides generally adopts side clamping, that is, by setting a clamping structure (such as set screw) on the side of the slide, the upper and lower parts A and B of the slide are limited by friction.

[0039] However, in practical applications, it has been found that the above-mentioned locking technology has significant technical defects: the stability of the friction locking method is greatly affected by dynamic load, and the micro-displacement of the upper and lower parts is unavoidable. In scenarios with extremely high positioning accuracy requirements, such as precision machining and optical adjustment, even micro-displacement can have a great impact.

[0040] In view of the above problems, embodiments of the present invention provide a slide table device with the advantage of higher locking stability, thereby further improving the positioning accuracy of the slide table and meeting the requirements of precision application scenarios.

[0041] It should be clarified here that the above description is intended to facilitate understanding of the overall background of the present invention, and should not be construed as an admission or implication in any way that the information constitutes prior art known to those skilled in the art.

[0042] The following is combined with Figures 1 to 12 The slide table device of the present invention is described.

[0043] Reference Figures 1 to 3 A sliding table device includes a sliding table body 10 and a locking mechanism 20; wherein the sliding table body 10 includes a first module 11 and a second module 12 that are in sliding engagement; the locking mechanism 20 is provided in pairs and is respectively located on both sides of the sliding table body 10.

[0044] The locking mechanism 20 includes a first locking part 21 and a second locking part 22; wherein, the first locking part 21 is connected to the first module 11 and forms a first locking surface 211; the second locking part 22 is connected to the second module 12 and forms a second locking surface 221. The first locking surface 211 and the second locking surface 221 are disposed opposite to each other, and can be engaged or disengaged as the first locking part 21 and the second locking part 22 move toward each other or away from each other. In one locking mechanism 20, the first locking surface 211 gradually moves away from the central axis of the first module 11 from the first end to the second end, while in the other locking mechanism 20, the first locking surface 211 gradually moves closer to the central axis of the first module 11 from the first end to the second end; the second locking surface 221 is configured to mate with the first locking surface 211.

[0045] In detail, the first module 11 or the second module 12 travels in the tangential direction of the contact surface. The locking mechanism 20 is located on both sides of the slide body 10 in the Y direction. In the X direction, one end of the first locking surface 211 is inclined along the Y direction to the other end. In actual application, one of the first module 11 and the second module 12 can travel relative to the other in the X direction. When it is necessary to position the relative position of the first module 11 and the second module 12, the locking mechanisms 20 on both sides of the slide body 10 in the Y direction are made to apply force synchronously and gradually. The first locking surface 211 and the second locking surface 221 can fit together as the first locking part 21 and the second locking part 22 move toward each other.

[0046] Because the first locking surface 211 and the second locking surface 221 fit together properly, and in the X direction, one end of the first locking surface 211 is inclined in the Y direction to the other end, when the locking mechanism 20 gradually applies force, the first locking surface 211 and the second locking surface 221 will generate component forces in the X and Y directions (e.g., Figure 3As shown, when force is applied in the Y direction, a component force FX in the X direction and a component force FY in the Y direction will be generated between the first locking surface 211 and the second locking surface 221. At the same time, since the first locking surfaces 211 of the two locking mechanisms 20 are inclined in opposite directions, when the two locking mechanisms 20 apply force simultaneously, the X-direction component forces generated by them abut against each other, and the Y-direction component forces are superimposed on each other. This results in a large inner clamping force with a small operating force, which in turn generates a static friction force sufficient to resist the loosening external force and improve the locking effect.

[0047] Furthermore, the first locking surface 211 and the second locking surface 221 are also subjected to a wedge force when they generate a relative motion tendency. That is, when the first module 11 and the second module 12 generate a relative motion tendency, the first locking surface 211 and the second locking surface 221 will be continuously pressed and generate a positive pressure on the vertical inclined surface. This positive pressure has a component force opposite to the direction of movement and a component force in the Y phase. On the one hand, it cancels the external force that causes the relative motion tendency, and on the other hand, it continuously increases the friction force, forming a wedge-tightening closed loop of "pressing → increasing positive pressure → increasing resistance → further locking", which maximizes the locking stability and further improves the positioning accuracy of the slide, so that it can better meet the requirements of precision use scenarios.

[0048] In a further example of the invention, the first locking surface 211 is inclined along the Y direction from one side to the other in the Z direction. With this configuration, when the locking mechanism 20 gradually applies force along the Y direction, the contact between the first locking surface 211 and the second locking surface 221 generates not only component forces along the X and Y directions, but also a component force in the Z direction (e.g., ...). Figure 4 and Figure 10 As shown, when force is applied in the Y direction, a Z-direction component force FZ will be generated between the first locking surface and the second locking surface, thereby pressing the first module 11 and the second module 12 in the Z direction. After the sliding contact surfaces of the two are pressed together, additional frictional resistance will be generated, thereby further enhancing the locking force and improving the locking effect to ensure the positioning accuracy of the slide table.

[0049] In detail, one of the first module 11 and the second module 12 is configured as a guide rail, and the other is configured as a slider fitted on the guide rail. It can be understood that, depending on different application scenarios, the guide rail and the slider can be designed in different structural forms, including but not limited to T-shaped, dovetail-shaped, etc. No specific restrictions are made in this embodiment of the invention.

[0050] After the slides are arranged, they form three directions in three-dimensional space, namely the X, Y, and Z directions mentioned above. To gain a more intuitive understanding of the slide structure, we will combine the slide's position on the attached... Figure 1 The arrangement of the slides is as follows: X direction is the front-to-back direction of the slides, Y direction is the left-to-right direction of the slides, and Z direction is the up-to-down direction of the slides.

[0051] In one example of the present invention, when the slide device is a linear slide, the first module 11 and the second module 12 slide in the X direction. This achieves the high-precision positioning requirement of the linear motion slide.

[0052] In another example of the present invention, when the slide device is an angular displacement slide, the relative motion trajectory of the first module 11 and the second module 12 in the XZ plane is an arc around an axis.

[0053] It is conventionally believed that the arc-shaped trajectory in the Z-direction will not interfere with the fit of inclined surfaces in other directions. However, actual research has revealed that when the first locking surface 211 and the second locking surface 221 move relative to each other, one remains stationary while the other moves around the axis. For example, if the second locking surface 221 remains stationary while the first locking surface 211 moves, and a conventional inclined surface is used, the surface shape will change when the first locking surface 211 rotates around the axis. Figure 8 As shown, Figure 8 The left side shows the surface shape of region A of the conventional inclined plane before rotation. Figure 8 The right side shows the surface shape of the conventional inclined plane A region after it has been rotated around the axis. By comparison, it can be found that the surface shape of region A has changed significantly, which makes it difficult for the first locking surface 211 and the second locking surface 221 to fit properly.

[0054] Based on the above problems and findings, in one example of the present invention, referring to... Figures 9 to 12 The second module 12 is fixed, while the first module 11 can slide along the second module 12, and the first locking surface 211 extends along the direction of travel. The intersection points of any surface containing the axis with the first locking surface 211 are a and b, and the extension of line ab intersects the axis at point c with an angle of A. The intersection points c of the extensions of line ab with the axis for different surfaces containing the axis are not in the same position, and the angle A is the same for all of them.

[0055] In detail, the angle between the projection lines of the two different extensions of ab onto the XZ plane is B, and the distance between the two intersection points c on the axis is L, B=mL, where m is a non-zero fixed constant, so that the change of angle B and the change of distance L have a one-dimensional linear relationship.

[0056] This configuration ensures that when the first locking surface 211 rotates around the axis, the surface shape at the same position is identical. By simply machining the second locking surface 221 to match the surface shape at a specific position of the first locking surface 211, it can be ensured that the first locking surface 211 and the second locking surface 221 fit together properly in the integrated arc-shaped motion trajectory, avoiding problems such as local gaps or force point offsets (e.g., changing from surface contact to line contact or even point contact), thus meeting the high-precision positioning requirements of the angle tilting slide.

[0057] It is understandable that the first module 11 can be fixed in place, while the second module 12 is configured to slide along the first module 11. In this case, the second locking surface 221 is configured as described above, and the first locking surface 211 is machined to a surface shape that matches a specific position of the second locking surface 221. This can also meet the high-precision positioning requirements of the angular displacement slide table. Specific selection and configuration can be made according to actual needs, and no specific limitations are imposed in this embodiment of the invention.

[0058] In one example of the present invention, the first module 11 is configured as an extended guide rail, and the second module 12 is slidably fitted into the first module 11 so that the second module 12 can slide along the extension direction of the first module 11.

[0059] It is understandable that, in the Z direction, the first module 11 can be configured above or below the second module 12. In addition, the two can be connected by vertical fitting or side fitting, depending on the specific requirements and design.

[0060] In this embodiment, refer to Figure 1 , Figure 5 and Figure 6 The bottom of the first module 11 is provided with a fitting part 111 extending along a preset motion trajectory; the upper surface of the second module 12 is provided with a fitting groove 121, and the fitting part 111 and the fitting groove 121 are slidably fitted together, so that the second module 12 can slide along the first module 11.

[0061] In one example of the present invention, the second module 12 is further provided with an open receiving groove 122, in which the first module 11 is embedded; the first locking part 21 is provided on the side of the first module 11, and the second locking part 22 is connected to the side wall of the receiving groove 122. With this arrangement, the operator can drive the second locking part 22 towards or away from the first locking part 21 from the outside, improving the ease of operation. Furthermore, since the first locking part 21 is located on the side of the first module 11 and the second locking part 22 is located on the side of the second module 12, the locking force is prevented from directly acting on the mating parts of the first module 11 and the second module 12, thereby reducing the squeezing deformation of the slide rail and extending the service life of the slide table.

[0062] Furthermore, from the top to the bottom of the first module 11, the first locking surface 211 gradually moves away from the central axis of the first module 11. With this configuration, when the locking mechanism 20 gradually applies force along the Y direction, the first locking surface 211 and the second locking surface 221 come into contact and generate a component force in the Z direction, pressing the first module 11 against the second module 12, thus achieving the clamping of the two.

[0063] Furthermore, the bottom of the first module 11 slides into contact with the bottom wall of the receiving groove 122. This arrangement adds a Z-axis support surface. When the locking mechanism 20 gradually applies force along the Y-axis, the bottom of the second module 12 presses against the bottom wall of the receiving groove 122 under the action of the Z-axis component force, providing frictional force, thereby sharing the load, improving stability, and reducing local deformation.

[0064] The locking mechanism 20 will now be described in more detail with reference to the accompanying drawings.

[0065] In some alternative examples, the first locking part 21 and the first module 11 can be configured as separate structures. This allows the first locking part 21 to be replaced individually when it wears out due to long-term use, reducing maintenance costs. Alternatively, the first locking part 21 and the first module 11 can be configured as an integrated structure, which improves the overall integrity and strength of the structure.

[0066] In this embodiment, the first locking part 21 and the first module 11 are configured as separate structures, and the two are detachably and fixedly connected by connecting components such as bolts.

[0067] In one example of the present invention, the second locking part 22 is configured as a wedge-shaped block structure, and the second locking surface 221 is disposed on the end face of the second locking part 22. This configuration maximizes the contact area between the second locking surface 221 and the first locking surface 211, allowing the applied locking force to be evenly distributed across the entire contact area, effectively avoiding localized stress concentration, reducing deformation caused by the second locking part 22 pressing against the first locking part 21, and extending service life.

[0068] In one example of the present invention, the locking mechanism 20 further includes a driving member 23 for driving the second locking part 22 to reciprocate in the Y direction.

[0069] In detail, refer to Figure 7 The second module 12 is provided with a guide groove 123 extending along the Y direction. The guide groove 123 has an opening at the end near the first module 11. The second locking part 22 is slidably embedded in the guide groove 123 and the end of the second locking surface 221 is exposed through the end opening of the guide groove 123. The output end of the drive member 23 is connected to the other end of the second locking part 22 relative to the second locking surface 221, and is used to push the second locking part 22 to slide along the guide groove 123.

[0070] With this configuration, the movement of the second locking part 22 can be constrained in the Y direction by the guide groove 123, thereby improving the stability and smoothness of the movement of the second locking part 22.

[0071] It is understood that, depending on different practical needs, the drive element 23 can be configured as any form of linear drive element, not limited to manual (e.g., set screw), electric (e.g., electric actuator), hydraulic drive (e.g., hydraulic cylinder) and pneumatic (e.g., air cylinder).

[0072] It should be noted that a pressure sensor can be used to monitor the pressure between the first locking part 21 and the second locking part 22 in real time, and dynamic pressure regulation can be performed based on the data feedback from the pressure sensor to make the pressure of the two locking mechanisms 20 tend to be balanced. For example, when the drive component 23 is configured as a manually controlled set screw, the pressure values ​​of the two locking mechanisms 20 are obtained in real time through the pressure sensor. When the pressure on one side is detected to be higher than that side, the set screw on that side can be loosened or tightened on the side with lower pressure. If the pressure difference between the two sides is within a preset reasonable range, the current state of the set screw is maintained, thereby achieving precise pressure balance through data feedback and ensuring the force stability and locking effect of the locking mechanism 20. When the drive component 23 is configured as an electric, hydraulic, or pneumatic drive, an automated pressure regulation closed-loop system controlled by a controller (e.g., a PLC controller combined with a PID closed-loop control algorithm) can be constructed based on the real-time data feedback from the pressure sensor to balance the pressure of the two locking mechanisms 20 and ensure the force stability and locking effect of the locking mechanism 20. Specific options and designs can be selected according to actual needs, and will not be listed one by one in this embodiment of the invention.

[0073] In this embodiment, the driving component 23 is configured as a set screw, which is threadedly connected to the second module 12 and its end is rotatably connected to the second locking part 22. With this configuration, by turning the set screw, the operator can drive the second locking part 22 to move along the Y direction, thereby achieving the positioning, locking, and unlocking of the slide.

[0074] It is understood that, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples.

[0075] The slide device provided in this embodiment of the invention has a first locking surface 211 and a second locking surface 221 that fit together properly. In the X direction, one end of the first locking surface 211 is inclined along the Y direction to the other end. When the locking mechanism 20 gradually applies force, the first locking surface 211 and the second locking surface 221 will generate component forces along the X and Y directions. At the same time, since the first locking surfaces 211 of the two locking mechanisms 20 are inclined in opposite directions, when the two locking mechanisms 20 apply force simultaneously, the X-direction component forces generated by the two mechanisms abut against each other, and the Y-direction component forces are superimposed on each other. This results in a large inner clamping force with a small operating force, thereby generating a static friction force sufficient to resist the loosening external force and improving the locking effect. Furthermore, the first locking surface 211 and the second locking surface 221 are also subjected to a wedge force when they generate a relative motion tendency. That is, when the first module 11 and the second module 12 generate a relative motion tendency, the first locking surface 211 and the second locking surface 221 will be continuously pressed and generate a positive pressure on the vertical inclined surface. This positive pressure has a component force opposite to the direction of movement and a component force in the Y phase. On the one hand, it cancels the external force that causes the relative motion tendency, and on the other hand, it continuously increases the friction force, forming a wedge-tightening closed loop of "pressing → increasing positive pressure → increasing resistance → further locking", which maximizes the locking stability and further improves the positioning accuracy of the slide, so that it can better meet the requirements of precision use scenarios.

[0076] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A slide table device, characterized in that, include: The slide body (10) includes a first module (11) and a second module (12) that slide together; A locking mechanism (20) is provided in pairs and is respectively located on both sides of the slide body (10); The locking mechanism (20) includes: A first locking part (21) is disposed on the first module (11) and has a first locking surface (211); The second locking part (22) is disposed in the second module (12) and has a second locking surface (221); The first locking surface (211) and the second locking surface (221) are arranged opposite to each other, and the two can be attached together or separated as the first locking part (21) and the second locking part (22) move towards each other or move away from each other. In one of the locking mechanisms (20), the first locking surface (211) gradually moves away from the central axis of the first module (11) from the first end to the second end, while in the other locking mechanism, the first locking surface (20) gradually moves closer to the central axis of the first module (11) from the first end to the second end; the second locking surface (221) is configured to mate with the first locking surface (211).

2. The slide table device according to claim 1, characterized in that, The first module (11) or the second module (12) travels in the tangential direction of the contact surface, and the locking mechanism (20) is located on both sides of the slide body (10) in the Y direction; In the Z direction, the first locking surface (211) is inclined from one side to the other along the Y direction.

3. The slide table device according to claim 2, characterized in that, When the slide device is a linear slide, the first module (11) and the second module (12) slide together in the X direction.

4. The slide table device according to claim 2, characterized in that, When the slide device is an angular displacement slide, in the XZ plane, the relative motion trajectory of the first module (11) and the second module (12) is an arc around an axis; The intersection points of any surface containing the axis with the first locking surface (211) or the second locking surface (221) are a and b, and the extension of the ab line intersects the axis at point c with an included angle of A. The intersection point c of the extended lines of ab corresponding to different surfaces containing the axis and the axis is not in the same position, and the included angle A is the same for all of them.

5. The slide table device according to claim 4, characterized in that, Let B be the angle between the projections of the two extensions of ab onto the XZ plane, and let L be the distance between the two intersection points c on the axis. Let B = mL, and m be a non-zero fixed constant, so that the change of the angle B and the change of the distance L have a one-dimensional linear relationship.

6. The slide table device according to any one of claims 1-5, characterized in that, The bottom of the first module (11) is provided with a fitting part (111) that extends along the movement trajectory; The upper surface of the second module (12) is provided with a fitting groove (121), and the fitting part (111) slides into the fitting groove (121).

7. The slide table device according to claim 6, characterized in that, The second module (12) is provided with a receiving groove (122); the first module (11) is embedded in the receiving groove (122); The first locking part (21) is connected to the side of the first module (11), and the second locking part (22) is connected to the side wall of the receiving groove (122).

8. The slide table device according to claim 7, characterized in that, From the top to the bottom of the first module (11), the first locking surface (211) gradually moves away from the central axis of the first module (11); and / or, The bottom of the second module (12) slides into contact with the bottom wall of the receiving groove (122).

9. The slide table device according to claim 1, characterized in that, The locking mechanism (20) further includes a drive member (23) for driving the second locking part (22) to move closer to or away from the first locking part (21).

10. The slide table device according to claim 9, characterized in that, The second module (12) has a guide groove (123) on its side wall. The guide groove (123) has an opening near the end of the first module (11). The second locking part (22) is slidably disposed in the guide groove (123) and the end of the part with the second locking surface (221) is exposed through the opening. The output end of the drive member (20) is connected to the other end of the second locking part (22) relative to the second locking surface (221) for driving the second locking part (22) to slide along the guide groove (123).

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