Mechanical sliding table
Through the combination of cross roller guide rails and rodless magnetic coupling balance cylinders, combined with grating scale detection, the high-precision displacement control and self-locking problems caused by inertia in the vertical direction are solved, and low-damping gravity balance and micron-level accuracy are achieved.
Patent Information
- Application Number
- CN202422338656.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-25
AI Technical Summary
The existing slide table cannot achieve high-precision displacement control due to inertia during driving, especially when used in the vertical direction, and the slide table cannot lock itself.
The combination of cross roller guide rail and rodless magnetic coupling balance cylinder is adopted, and precise position detection is carried out in combination with a grating scale to achieve low damping gravity balance and self-locking functions.
It realizes low-damping gravity balance and high-precision displacement control of the slide platform in the vertical direction, and the resolution reaches micron level, solving the self-locking problem of the slide platform.
Smart Images
Figure CN223084756U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of sliding mechanical structures and relates to a mechanical slide. Background Art
[0002] The slide in the prior art generally includes a fixed structure, a sliding structure, and a driving member (such as a cylinder, an oil cylinder, a linear motor, etc.) for driving the sliding structure to displace relative to the fixed structure. During the sliding process of the sliding structure, its start or stop is controlled by the driving member.
[0003] During the process of driving the sliding structure to displace or stop, the driving member is usually prone to generate inertia due to the weight of the sliding structure and other structures mounted on the sliding structure, thus failing to meet the requirement of high-precision displacement control. Summary of the Utility Model
[0004] The utility model provides a mechanical slide, which includes a slide body, a sliding component, and a rodless magnetic coupling balance cylinder arranged on the slide body;
[0005] The sliding component is slidably connected to the slide body;
[0006] One end of the rodless magnetic coupling balance cylinder is fixedly connected to the slide body, and the other end is fixedly connected to the sliding component for driving the sliding component to displace.
[0007] Optionally, the mechanical slide further includes a grating ruler for detecting the sliding accuracy of the sliding component; the grating ruler is fixedly installed on the slide body.
[0008] Optionally, the mechanical slide further includes a stroke detection element, which includes a detection sensor arranged on the slide body and an induction sheet arranged on the sliding component. There are two detection sensors arranged at intervals from each other.
[0009] Optionally, the slide body includes a first body, a second body, a linear slide rail, a crossed roller guide rail, and a direct drive structure;
[0010] The slide rail structure of the linear slide rail is fixedly connected to the first body, and the slider structure of the linear slide rail is fixedly connected to the sliding component;
[0011] The fixed part of the crossed roller guide rail is fixedly connected to the first body, and the sliding part of the crossed roller guide rail is fixedly connected to the sliding component;
[0012] The fixed end of the direct drive structure is connected to the first body, and the drive end of the direct drive structure is connected to the sliding part of the crossed roller guide rail;
[0013] The second main body is installed on the first main body, and there are gaps both between the lower end surface of the second main body and the upper end surface of the sliding part and between the lower end surface of the second main body and the slider structure.
[0014] Optionally, there are two sets of linear slide rails arranged at intervals, and the two sets of linear slide rails are symmetrically arranged along the crossed roller guide.
[0015] Optionally, a buffer is further provided on the first main body, and the buffer is used to buffer the sliding assembly.
[0016] Optionally, the sliding assembly includes a first connecting part and a second connecting part. The lower end surface of the first connecting part is connected to the slider parts of the two sets of linear slide rails and the sliding part of the crossed roller guide at the same time. There are two connecting blocks arranged at intervals on the upper end surface of the first connecting part. The lower end surface of the second connecting part is connected to the two connecting blocks at the same time to form a space for the second main body to pass through.
[0017] Optionally, the first connecting part and the two connecting blocks are integrally formed.
[0018] Compared with the prior art, the utility model has the following beneficial effects:
[0019] (1) In the utility model, by setting the crossed roller guide and the rodless magnetic coupling balance cylinder to cooperate with each other to drive the sliding assembly to displace, low-damping gravity balance is realized, and the problems that the sliding table cannot be used in the vertical direction and the sliding table cannot be self-locked are solved.
[0020] (2) In the utility model, by setting the grating ruler to detect the displacement position of the sliding assembly, the grating ruler can provide very accurate position measurement, and the resolution can reach the micron level or even higher.
[0021] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. The following will refer to the drawings to make a further detailed description of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] The drawings constituting a part of this application are used to provide a further understanding of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an improper limitation to the utility model. In the drawings:
[0023] Figure 1 is a schematic diagram of the overall structure of a mechanical sliding table in an embodiment of the utility model;
[0024] Figure 2 is Figure 1 a schematic diagram of the structure of the sliding main body in
[0025] Figure 3 is Figure 2 The structural schematic diagram after the second main body is hidden in
[0026] Figure 4 is Figure 1 the structural schematic diagram of the sliding component in
[0027] Wherein:
[0028] 1. Slide table main body, 1.1. First main body, 1.2. Second main body, 1.3. Linear slide rail, 1.4. Cross roller guide rail, 1.4.1. Fixed part, 1.4.2. Sliding part, 1.6. Buffer, 2. Sliding component, 2.1. First connection part, 2.2. Second connection part, 3. Rodless magnetic coupling balance cylinder, 4. Grating scale. Specific embodiments
[0029] In order to make the above objects, features and advantages of the present utility model more clearly understood, the specific embodiments of the present utility model will be described in detail below with reference to the drawings. It should be noted that the drawings of the present utility model are all in simplified forms and use non-precise scales, only for facilitating and clearly assisting in the description of the embodiments of the present utility model; the several mentioned in the present utility model are not limited to the specific quantities in the drawing examples; the orientation or positional relationships indicated by 'front','middle', 'back', 'left', 'right', 'up', 'down', 'top', 'bottom','middle', etc. in the present utility model are all based on the orientation or positional relationships shown in the drawings of the present utility model, and do not indicate or imply that the devices or components referred to must have a specific orientation, nor can it be understood as a limitation to the present utility model.
[0030] Embodiment:
[0031] Referring to Figure 1 as shown, a mechanical slide table provided by the present utility model includes a slide table main body 1 and a sliding component 2, a grating scale 4 and a rodless magnetic coupling balance cylinder 3 (i.e., a magnetic coupling rodless cylinder) arranged on the slide table main body 1; the sliding component 2 is slidably connected to the slide table main body 1; the grating scale 4 is fixedly installed on the slide table main body 1 for accurately detecting the position of the sliding component 2 when it is displaced on the slide table main body 1; one end of the rodless magnetic coupling balance cylinder 3 is fixedly connected to the slide table main body 1, and the other end of the rodless magnetic coupling balance cylinder 3 is fixedly connected to the sliding component 2 for driving the sliding component 2 to displace.
[0032] Preferably, it further includes a stroke detection element, and the stroke detection element includes a detection sensor arranged on the slide table main body 1 and an induction sheet arranged on the sliding component 2. Preferably, two detection sensors are arranged at intervals to limit and detect the displacement stroke of the sliding component 2.
[0033] Further, referring to Figures 1 to 3 as shown, the sliding table body 1 includes a first main body 1.1, a second main body 1.2, a linear slide rail 1.3, a crossed roller guide rail 1.4 (i.e., a crossed roller guide), a direct drive structure, and a buffer member 1.5;
[0034] The first main body 1.1 includes a first side end face, a bottom end face, a second side end face, a third side end face, and a fourth side end face; the first side end face and the second side end face are respectively fixedly connected to two mutually parallel side faces of the bottom end face, thereby forming a U-shaped structure; the third side end face and the fourth side end face are respectively fixedly connected to the other two mutually parallel side faces of the bottom end face, and the third side end face is simultaneously fixedly connected to one of the first side end face and the second side end face, and the fourth side end face is simultaneously fixedly connected to the other of the first side end face and the second side end face;
[0035] The slide rail structure of the linear slide rail 1.3 is fixedly connected to the bottom end face, and the slider structure of the linear slide rail 1.3 is fixedly connected to the sliding component 2; preferably, two sets of linear slide rails 1.3 are provided at intervals, and the sliding directions of the slider structures in the two sets of linear slide rails 1.3 are both arranged parallel to the first side end face;
[0036] The fixing part 1.4.1 of the crossed roller guide rail 1.4 is fixedly connected to the bottom end face, the sliding part 1.4.2 of the crossed roller guide rail 1.4 is connected to the sliding component 2, and the crossed roller guide rail 1.4 is arranged between the two sets of linear slide rails 1.3;
[0037] The driving end of the direct drive structure is connected to the sliding part 1.4.2 of the crossed roller guide rail 1.4, and the fixing part of the direct drive structure is connected to the bottom end face in the first main body 1.1, for driving the sliding part 1.4.2 of the crossed roller guide rail 1.4 to displace on the fixing part 1.4.1; preferably, the direct drive structure is preferably arranged as a linear motor;
[0038] Buffer members 1.5 are also provided on both the third side end face and the fourth side end face, and the buffer members 1.5 are used to limit the displacement range of the direct drive structure; preferably, the buffer members 1.5 are preferably arranged as rubber structural members to achieve buffer limiting.
[0039] The second main body 1.2 is simultaneously fixedly connected to the upper end faces of the third side end face and the fourth side end face, so that there is an installation gap between the upper end face of the second main body 1.2 and the upper end face of the slider structure of the linear slide rail 1.3, and between the upper end face of the second main body 1.2 and the upper end face of the sliding part 1.4.2 of the crossed roller guide rail 1.4.
[0040] Further, referring to Figure 4As shown, the sliding component 2 includes a first connecting portion 2.1 and a second connecting portion 2.2. The lower end surface of the first connecting portion 2.1 is simultaneously connected to the slider structures of two sets of linear slide rails 1.3 and the sliding portion 1.4.2 of the crossed roller guide 1.4. Two connecting blocks are provided on the upper end surface of the first connecting portion 2.1 at intervals. The lower end surface of the second connecting portion 2.2 is simultaneously connected to the two connecting blocks to form a space convenient for the second main body 1.2 to penetrate. Preferably, the first connecting portion 2.1 and the two connecting blocks are integrally formed.
[0041] The foregoing are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. A mechanical slide, characterized in that, It includes a slide table main body (1), a sliding component (2) and a rodless magnetic coupling balance cylinder (3) arranged on the slide table main body (1); The sliding component (2) is slidably connected to the slide table main body (1); One end of the rodless magnetic coupling balance cylinder (3) is fixedly connected to the slide table main body (1), and the other end of the rodless magnetic coupling balance cylinder (3) is fixedly connected to the sliding component (2) for driving the sliding component (2) to displace.
2. The mechanical slide table according to claim 1, characterized in that, It further includes a grating scale (4) for detecting the sliding accuracy of the sliding component (2); the grating scale (4) is fixedly installed on the slide table main body (1).
3. The mechanical slide table according to claim 2, characterized in that, It further includes a stroke detection element, which includes a detection sensor arranged on the slide table main body (1) and an induction piece arranged on the sliding component (2), and there are two detection sensors arranged at intervals.
4. The mechanical slide table according to any one of claims 1-3, characterized in that, The slide table main body (1) includes a first main body (1.1), a second main body (1.2), a linear slide rail (1.3), a crossed roller guide rail (1.4) and a direct drive structure; The slide rail structure of the linear slide rail (1.3) is fixedly connected to the first main body (1.1), and the slider structure of the linear slide rail (1.3) is fixedly connected to the sliding component (2); The fixed part (1.4.1) of the crossed roller guide rail (1.4) is fixedly connected to the first main body (1.1), and the sliding part (1.4.2) of the crossed roller guide rail (1.4) is fixedly connected to the sliding component (2); The fixed end of the direct drive structure is connected to the first main body (1.1), and the drive end of the direct drive structure is connected to the sliding part (1.4.2) of the crossed roller guide rail (1.4); The second main body (1.2) is installed on the first main body (1.1), and there are gaps between the lower end surface of the second main body (1.2) and the upper end surface of the sliding part (1.4.2) and between the lower end surface of the second main body (1.2) and the slider structure.
5. The mechanical slide table according to claim 4, characterized in that, There are two groups of linear slide rails (1.3) arranged at intervals, and the two groups of linear slide rails (1.3) are symmetrically arranged along the crossed roller guide rail (1.4).
6. The mechanical slide table according to claim 5, characterized in that, A buffer (1.5) is further arranged on the first main body (1.1), and the buffer (1.5) is used to buffer the sliding component (2).
7. The mechanical slide table according to claim 6, wherein The sliding component (2) includes a first connection part (2.1) and a second connection part (2.2). The lower end surface of the first connection part (2.1) is simultaneously connected to the slider parts of the two groups of linear slide rails (1.3) and the sliding part (1.4.2) of the crossed roller guide rail (1.4). There are two connection blocks arranged at intervals on the upper end surface of the first connection part (2.1), and the lower end surface of the second connection part (2.2) is simultaneously connected to the two connection blocks to form a space convenient for the second main body (1.2) to penetrate.
8. The mechanical slide table according to claim 7, wherein The first connection part (2.1) and the two connection blocks are integrally formed.