Step limiting type diaphragm negative pressure adsorption device
Through the combination of the step limit unit and the negative pressure device, the problems of eccentricity and insufficient suction of the window piece during processing are solved, the concentricity and adsorption force are effectively guaranteed, and the processing accuracy and yield are improved.
Patent Information
- Application Number
- CN202423016630.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-06
AI Technical Summary
During the window processing, the use of suction cups can easily lead to eccentricity and uneven force, and insufficient suction may cause the window to fall, affecting the processing yield.
The window piece is limited and fixed by a step limit unit, and adsorbed by a negative pressure device to ensure the concentricity and adsorption strength of the window piece to prevent it from falling.
The step limit unit ensures the concentricity of the window piece, improves the processing accuracy, and prevents it from falling through negative pressure adsorption, thereby improving the processing yield.
Smart Images
Figure CN223455869U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of window sheet processing, specifically relates to a step limiting type window sheet negative pressure adsorption device. BACKGROUND
[0002] In the window sheet (i.e. circular lens) processing, it is usually to use a cylinder to connect the rubber suction cup to adsorb the window sheet, and then process. However, this way of directly using the suction cup to adsorb is easy to cause the eccentricity of the window sheet, resulting in poor concentricity and uneven stress, and if the air in the suction cup is not fully discharged during operation, it will cause insufficient suction force, resulting in the window sheet falling during processing. SUMMARY
[0003] The utility model wants to solve the technical problem, in order to provide a step limiting type window sheet negative pressure adsorption device, through the step limiting unit to the window sheet fixed limit, guarantee the concentricity of window sheet, prevent the window sheet from falling through the adsorption force generated by negative pressure, improve the processing yield.
[0004] The utility model is realized as follows:
[0005] A step limiting type window sheet negative pressure adsorption device, comprising:
[0006] At least one step limiting unit, including limiting part and step part, the inner diameter of the limiting part is matched with the diameter of the corresponding window sheet;The step part is provided with a negative pressure through hole, and the inner diameter of the negative pressure through hole is smaller than the inner diameter of the limiting part, forming a step that makes the window sheet embedded to the specified depth of the limiting part;Window sheets of different diameters correspond to different step limiting units;
[0007] The holding unit is detachably connected to one end of the step limiting unit, and the shaft center of the holding unit and the step limiting unit is on the same straight line after connection;The center of the holding unit is provided with a negative pressure channel, and the negative pressure channel is communicated with the negative pressure through hole of the step limiting unit when the step limiting unit is connected with the holding unit;The other end of the holding unit is connected with the negative pressure device.
[0008] Further, the side of the step part in contact with the window sheet is provided with an annular groove, and the annular groove is provided with an elastic ring.
[0009] Preferably, the elastic ring is a silica gel ring.
[0010] Preferably, the material of the step limiting unit and the holding unit is POM.
[0011] Further, the holding unit and the step limiting unit are detachably connected through threads.
[0012] Further, the depth of the limiting part is less than the thickness of the window sheet.
[0013] Further, the holding unit is provided with an anti-skid structure.
[0014] Preferably, the holding unit is connected with the hose through a hose quick connector, and the hose is connected with the negative pressure device.
[0015] Preferably, the hose is a PU tube.
[0016] The technical scheme provided by the utility model has at least the following advantages.
[0017] The window sheet is fixed by the step limiting unit, the concentricity of the window sheet is ensured, the eccentricity is effectively avoided, the machining precision is improved, the window sheet is adsorbed by the negative pressure device connected with the holding unit, the adsorption strength is sufficient to support the overturning force generated during machining, and the window sheet is prevented from falling. BRIEF DESCRIPTION OF DRAWINGS
[0018] The utility model will be further described in connection with the embodiments and with reference to the drawings.
[0019] Figure 1 It is a structural schematic view of the utility model embodiment.
[0020] Figure 2 It is an A-A sectional view of the utility model. Figure 1
[0021] Figure 3 It is a local enlarged schematic view. Figure 2
[0022] Figure 4 It is an explosion schematic view of the utility model embodiment. DETAILED DESCRIPTION
[0023] The technical scheme of the utility model will be clearly and completely described below in connection with the drawings and specific embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.
[0024] In the description of the utility model, it should be explained that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model.
[0025] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "mount", "connect", "connect" should be understood in a broad sense, for example, it can be fixed connection, can also be detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the application can be understood according to specific circumstances.
[0026] Please refer to Figures 1 to 4 As shown in the embodiment, a step limiting type window sheet negative pressure adsorption device 100 is provided, comprising:
[0027] At least one step limiting unit 1, comprising a limiting portion 11 and a step portion 12, the inner diameter of the limiting portion 11 matches the diameter of the corresponding window sheet 200;The step portion 12 is provided with a negative pressure through hole 13, the inner diameter of the negative pressure through hole 13 is smaller than the inner diameter of the limiting portion 11, forming a step that makes the window sheet 200 embedded to the specified depth of the limiting portion 11;Window sheets 200 of different diameters correspond to different step limiting units 1;
[0028] The holding unit 2 is detachably connected to one end of the step limiting unit 1, and the shaft center of the holding unit 2 and the step limiting unit 1 is on the same straight line;The center of the holding unit is provided with a negative pressure channel 21, when the step limiting unit 1 is connected with the holding unit 2, the negative pressure channel 21 is communicated with the negative pressure through hole 13 of the step limiting unit 1;The other end of the holding unit 2 is connected with a negative pressure device.
[0029] By embedding one end of the window sheet 200 into the limiting portion 11 of the step limiting unit 1 matched with its specification, the limiting portion 11 forms a package to the window sheet 200, realizes limiting and fixing, can make the window sheet 200 concentric with the holding unit 2 when adsorbed, effectively avoids the generation of eccentricity, thereby improving the machining precision, and the negative pressure device connected through the holding unit 2 adsorbs the window sheet 200, effectively ensures that the adsorption strength is sufficient to support the overturning force generated during machining, and prevents falling.
[0030] In a possible implementation, the side of the step portion 12 in contact with the window sheet 200 is provided with an annular groove 14, and the annular groove 14 is provided with an elastic ring 15 (such as a silica gel ring), which can form a buffer between the window sheet 200 and the step when the window sheet 200 is adsorbed in the limiting portion 11, preventing the window sheet from being broken during machining. Preferably, the material of the step limiting unit 1 and the holding unit 2 is POM, which further prevents the window sheet from being broken (the circular lens is easily damaged when clamped with a hard object during machining).
[0031] In a possible implementation, asFigure 3 As shown in the figure, the holding unit 2 is detachably connected with the step limiting unit 1 through threads.
[0032] Preferably, the depth of the limiting part is less than the thickness of the window sheet, and the outer edge of the window sheet 200 can also be exposed while the side of the limiting part wraps the window sheet 200, facilitating processing (such as chamfering).
[0033] In a possible implementation, as shown in the figure, Figure 4 As shown in the figure, the holding unit 2 is connected with the hose 3 through a hose quick connector 4, and the hose 3 is connected with a negative pressure device. The hose can be a PU tube.
[0034] Preferably, as shown in the figure, Figure 4 The holding unit 2 is provided with an anti-skid structure, facilitating stable holding.
[0035] The working principle of the utility model is as follows:
[0036] The step limiting unit 1 limits and fixes the window sheet 200, guarantees the concentricity of the window sheet 200 and the holding unit 2, effectively avoids the generation of eccentricity, prevents the window sheet 200 from falling and being stressed evenly through the adsorption force generated by the negative pressure, and improves the processing yield.
[0037] In processing, the corresponding step limiting unit 1 is selected according to the window sheet 200 to be processed, then the step limiting unit 1 is connected and fixed with the holding unit 2, the axis of the holding unit 2 and the step limiting unit 1 is on the same straight line after connection. Then, when the negative pressure device is opened, the step limiting unit 1 is aligned with the window sheet 200, one end of the window sheet 200 is embedded and adsorbed by the negative pressure, and the upper half of the window sheet 200 is wrapped, and the lower half can be processed. When other specifications of window sheet 200 need to be processed, the step limiting unit 1 is removed and replaced with the corresponding step limiting unit 1. Or, when the adsorption force of the window sheet 200 needs to be adjusted, the step limiting unit 1 with different inner diameters of the negative pressure through hole 13 can also be replaced (the inner diameter is reduced and the negative pressure is increased due to the narrow tube effect).
[0038] The utility model limits and fixes the window sheet through the step limiting unit, guarantees the concentricity of the window sheet, effectively avoids the generation of eccentricity, thereby improves the processing precision, and the window sheet is adsorbed by the negative pressure device connected through the holding unit, effectively guarantees that the adsorption force is sufficient to support the overturning force generated in processing, and prevents falling.
[0039] Although the specific embodiments of the present application are described above, those skilled in the art should understand that the specific embodiments described by us are only illustrative, not for limiting the scope of the present application, and equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the present application should be covered within the scope of the claims of the present application.
Claims
1. A step-limiting window sheet negative pressure adsorption device, characterized in that, The application relates to a window piece limiting device. The device comprises at least one step limiting unit, a holding unit and a negative pressure device. The step limiting unit comprises a limiting part and a step part.
2. The apparatus of claim 1, wherein: The inner diameter of the limiting part matches the diameter of a corresponding window piece.
3. The apparatus of claim 2, wherein: The step part is provided with a negative pressure through hole.
4. The apparatus of claim 1, wherein: The inner diameter of the negative pressure through hole is smaller than that of the limiting part.
5. The apparatus of claim 1, wherein: The step part forms a step for embedding the window piece into the limiting part to a specified depth.
6. The apparatus of claim 1, wherein: Window pieces with different diameters correspond to different step limiting units.
7. The apparatus of claim 1, wherein: One end of the holding unit is detachably connected with the step limiting unit.
8. The apparatus of claim 1, wherein: The shaft center of the holding unit and the step limiting unit is on the same straight line after connection.
9. The apparatus of claim 8, wherein: The holding unit is provided with a negative pressure channel in the center. The negative pressure channel is communicated with the negative pressure through hole of the step limiting unit when the step limiting unit is connected with the holding unit. The other end of the holding unit is connected with the negative pressure device. The side of the step part in contact with the window piece is provided with an annular groove. The annular groove is provided with an elastic ring. The elastic ring is a silica gel ring. The material of the step limiting unit and the holding unit is POM. The holding unit and the step limiting unit are detachably connected through threads. The depth of the limiting part is smaller than the thickness of the window piece. The holding unit is provided with an anti-skid structure. The holding unit is connected with a hose through a hose quick connector. The hose is connected with the negative pressure device. The hose is a PU tube.