An angle adjustable abutment mechanism

CN224616193UActive Publication Date: 2026-08-11BEIJING CRYSTAL PHOTOELECTRIC SCI & TECH INC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-19
Publication Date
2026-08-11

AI Technical Summary

Technical Problem

顶靠机构的角度偏差、顶靠力不稳定均可能导致工件位移、损伤,或影响后续加工、检测数据的准确性

Benefits of technology

1、本实用新型的一种角度可调顶靠机构通过转轴安装和测微头调节,实现了角度精密调节,无需依赖人工手动撬动或垫片调整,通过专用精密调节部件测微头实现微米级角度控制,调节精度高、调节效率高;

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Abstract

This utility model relates to an angle-adjustable top-support mechanism, belonging to the field of precision mechanical tooling technology. It includes an angle-adjusting seat slidably mounted on a base plate and an angle-adjustable top-support component mounted on the angle-adjusting seat. The angle-adjusting seat also has a micrometer head for adjusting the angle of the top-support component. This achieves precise angle adjustment without relying on manual prying or shim adjustment. Micrometer head, a dedicated precision adjustment component, enables micron-level angle control, resulting in high adjustment accuracy and efficiency.
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Description

Technical Field

[0001] This utility model belongs to the field of precision mechanical tooling technology, and specifically relates to an angle-adjustable top-mounting mechanism. Background Technology

[0002] In precision manufacturing, testing, and assembly processes, workpiece positioning is a crucial step in ensuring machining and testing accuracy. Angle deviations in the positioning mechanism or unstable positioning force can lead to workpiece displacement, damage, or affect the accuracy of subsequent machining and testing data. Traditional positioning mechanisms are mostly fixed-angle, requiring the replacement of the entire positioning fixture when dealing with workpieces of different postures and shapes, resulting in increased equipment costs and low production and testing efficiency.

[0003] Existing technologies also have some angle-adjustable backing mechanisms, but these mechanisms rely on manual prying or shim adjustment, lacking dedicated precision adjustment components. They cannot achieve micron-level angle control and lack angle quantification feedback, requiring repeated verification through trial and error, resulting in low adjustment efficiency. After adjustment, there is no reliable locking mechanism or auxiliary stabilizing structure, making the angle drift during backing easily caused by vibration and fluctuations in backing force, affecting positioning accuracy. Furthermore, they mostly rely on springs or cylinders to provide backing force, which cannot be precisely adjusted. Excessive force can damage the workpiece, while insufficient force leads to unstable backing. Summary of the Invention

[0004] To address the problems existing in the prior art, this utility model proposes an angle-adjustable support mechanism that achieves precise angle adjustment by using a rotating shaft and a micrometer head, ensures angle stability by using a tension spring and a locking screw, and has a detachable top reference.

[0005] The purpose of this utility model and the technical problem it solves are achieved by the following technical solution. According to this utility model, an angle-adjustable support mechanism includes an angle-adjusting seat slidably disposed on a base plate and an angle-adjustable support member disposed on the angle-adjusting seat. The angle-adjusting seat is also provided with a micrometer head for adjusting the angle of the support member.

[0006] As an improvement to the above technical solution, the angle adjustment seat is provided with a mounting groove, and a mounting shaft for rotatably connecting with the top support is provided in the mounting groove. The angle of the top support can be adjusted in the mounting groove through the mounting shaft.

[0007] As a further improvement to the above technical solution, the mounting groove is U-shaped, and the width of the mounting groove in the vertical direction is greater than the width of the top support in the vertical direction.

[0008] As a further improvement to the above technical solution, the top support includes an adjusting bracket and a top support reference disposed at one end of the adjusting bracket, wherein the adjusting bracket is disposed on the mounting shaft of the adjusting seat through a mounting hole.

[0009] As a further improvement to the above technical solution, the top reference is detachably mounted on the adjustment bracket.

[0010] As a further improvement to the above technical solution, the adjustment bracket is also provided with a fixing hole, and a fixing bolt is provided in the fixing hole for passing through the fixing hole and abutting against the side of the mounting groove.

[0011] As a further improvement to the above technical solution, at least two micrometers are provided. The two micrometers are respectively located on the top of the angle adjustment seats at both ends of the top support and pass through the angle adjustment seats to abut against the top support.

[0012] As a further improvement to the above technical solution, the angle adjustment seat is also provided with a slider for adjusting the angle adjustment seat, and the angle adjustment seat is provided with a slide rail that cooperates with the slider. The slide rail is pushed by a cylinder set on the base plate.

[0013] As a further improvement to the above technical solution, pull rods are provided on the sides of both the base plate and the angle adjustment seat, and the two pull rods are connected by a tension spring.

[0014] The beneficial effects of this utility model through the above technical solution are: 1. The angle-adjustable top support mechanism of this utility model achieves precise angle adjustment through shaft mounting and micrometer head adjustment, without relying on manual prying or shim adjustment. The micrometer head, a special precision adjustment component, achieves micron-level angle control, resulting in high adjustment accuracy and efficiency. 2. The adjustable-angle support mechanism of this utility model provides support force through a cylinder, and through the cooperation of a tension spring and a locking screw, the force value during the adjustment process can be buffered and adjusted, avoiding the situation that the workpiece is easily damaged by excessive force and the support is unstable by insufficient force, thus ensuring the stability of the structure after the angle is adjusted. 3. The adjustable top support mechanism of this utility model is driven by an electric push rod, which realizes the controllable top support stroke. At the same time, it adopts a detachable top support reference, which improves the adaptability of the top support structure.

[0015] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this utility model more obvious and understandable, preferred embodiments are given below, and detailed descriptions are provided in conjunction with the accompanying drawings. Attached Figure Description

[0016] Figure 1 This is an assembly diagram of an angle-adjustable top-supporting mechanism of this utility model in one direction.

[0017] Figure 2 This is an assembly diagram of an angle-adjustable top-supporting mechanism of this utility model from another direction.

[0018] Figure 3 This is an exploded schematic diagram of an angle-adjustable top-supporting mechanism according to this utility model.

[0019] Figure 4 This is a schematic diagram of the angle adjustment part of an angle-adjustable top-supporting mechanism according to this utility model.

[0020] Figure 5 This is a structural schematic diagram of the angle adjustment seat of an angle-adjustable top support mechanism according to this utility model.

[0021] In the diagram: 1. Angle adjustment seat; 11. Mounting slot; 12. Mounting shaft; 2. Adjustment bracket; 21. Mounting hole; 22. Fixing hole; 3. Top reference; 4. Micrometer head; 5. Fixing bolt; 6. Base plate; 7. Cylinder; 71. Slide rail; 72. Slider; 8. Tie rod; 9. Tension spring. Detailed Implementation

[0022] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and preferred embodiments.

[0023] In the description of this utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated.

[0024] Reference Figure 1 , Figure 2 An angle-adjustable backing mechanism includes an angle adjustment seat 1 slidably disposed on a base plate 6 and a backing member with an adjustable angle disposed on the angle adjustment seat 1. The angle adjustment seat 1 is also provided with a micrometer head 4 for adjusting the angle of the backing member. The lower adjustment seat, as a support member disposed on the base plate 6, not only provides mounting support for the backing member but also serves as a support point for the micrometer head 4 when adjusting the angle of the backing member, facilitating angle adjustment. Furthermore, the micrometer head 4 enables precise adjustment of the backing member. In scenarios requiring precise control of the workpiece backing angle, such as precision parts machining positioning, optical component inspection backing, and electronic component assembly calibration, micron-level adjustment of the backing angle can be achieved.

[0025] Reference Figure 3 The micrometer head 4 is a precision measuring device based on the principle of helical amplification. This device converts the rotational motion of the threaded pair into axial linear displacement, realizing the measurement and control of micron-level displacement. The standard graduation values ​​cover different accuracy levels such as 0.01mm and 0.001mm. In this embodiment, at least two micrometer heads 4 are provided. The two micrometer heads 4 are respectively set on the top of the angle adjustment seats 1 at both ends of the top support, and abut against the top support after passing through the angle adjustment seats 1. By adjusting the rotation angle of the top support through this special component, the micron-level angle control of the top support is realized, and quantitative feedback of the angle adjustment is achieved, which greatly improves the accuracy and efficiency of the top support angle adjustment.

[0026] Referring to 5, in one embodiment of this utility model, the angle adjustment seat 1 body is configured as a side-mounted U-shaped structure, and a U-shaped mounting groove 11 is formed on one side of the angle adjustment seat 1 body. The width of the mounting groove 11 in the vertical direction is greater than the width of the top support in the vertical direction. The top support is inserted into the U-shaped groove in the Y-axis direction. The mounting groove 11 is provided with a mounting shaft 12 for rotatably connecting with the top support. The top support is provided with a mounting hole 21 that mates with the mounting groove 11. When the mounting hole 21 is fitted onto the mounting shaft 12, the top support can rotate axially along the mounting shaft 12 in the U-shaped groove, and the rotation range is limited to the space of the mounting groove 11 in the Z-axis direction.

[0027] Reference Figure 4 In this embodiment, the top support includes an adjusting bracket 2 and a top support reference 3 disposed at the end of the adjusting bracket 2. The adjusting bracket 2 is mounted on the mounting shaft 12 of the adjusting seat through a mounting hole 21. The mounting shaft 12 is located at the middle position of the angle adjusting seat 1. The mounting hole 21 on the adjusting bracket 2 corresponds to the size of the mounting shaft 12, and the two are fitted with a clearance to ensure the smoothness of the rotation of the adjusting bracket 2 and the accuracy and stability of the tilt adjustment. The adjusting bracket 2 is also provided with a fixing hole 22, in which a fixing bolt 5 is disposed for passing through the fixing hole 22 and abutting against the side of the mounting groove 11. When the adjusting bracket 2 rotates a certain angle along the mounting shaft 12, the adjusting bracket 2 can be fixed in the rotated position by tightening the fixing bolt 5, ensuring the stability of the top support reference 3 during use.

[0028] Furthermore, in this embodiment, the top support reference 3 is detachably mounted on the adjustment bracket 2. This detachable top support reference 3 allows for easy replacement on the adjustment bracket 2, increasing the flexibility of the top support component. In this embodiment, the top support reference 3 is a cone composed of two reference planes in the Z-axis direction, which can accommodate the top support of flat surfaces or workpieces at a certain angle.

[0029] In this embodiment, the base plate 6 is further provided with a slider 72 for adjusting the angle adjustment seat 1. The angle adjustment seat 1 is provided with a slide rail 71 that cooperates with the slider 72. The slide rail 71 is pushed by a cylinder 7 provided on the base plate 6. When it is necessary to stop the workpiece at the processing or inspection point, the angle adjustment seat 1 and the top reference 3 can be pushed out by the cooperation of the slider 72 and the slide rail 71. After the angle is adjusted, the top reference 3 fits against the surface of the workpiece that needs to be abutted, thus limiting the workpiece. In addition, the mating part of the base plate 6 and the angle adjustment seat 1 also adopts a clearance fit, and the surface roughness of the mating surface is not greater than Ra0.8μm, to ensure the smoothness and stability of the angle adjustment seat 1 extending in the Y-axis direction, thereby ensuring the smoothness and stability of the movement of the top reference 3.

[0030] Both the side and the base plate 6 of the angle adjustment seat 1 are provided with pull rods 8, and the two pull rods 8 are connected by a tension spring 9. During the use of the seat against the reference 3, the tension spring 9 is in a pre-stretched state to provide a stable restoring force for the angle adjustment seat 1 and to prevent the angle adjustment seat 1 from drifting due to vibration or external interference when it is not adjusted.

[0031] In other embodiments of this utility model, the angle adjustment seat 1 body can also be square, with the mounting groove 11 located at the center of the angle adjustment seat 1, and the top abutment inserted into the mounting groove 11 from one end of the angle adjustment seat 1. A through hole for the fixing bolt 5 can be provided on the side of the square adjustment seat body. After the fixing bolt 5 passes through the through hole, it fixes the adjustment bracket 2 to the adjustment seat body on the other side through the fixing hole 22 on the adjustment bracket 2.

[0032] In other embodiments of this utility model, the top support reference 3 can also be set as an arc surface or a stepped surface according to the shape of the workpiece, which can adapt to the top support requirements of different types of workpieces.

[0033] In other embodiments of this utility model, the slide rail 71 may be mounted on the base plate 6, and the slider 72 may be mounted on the bottom of the angle adjustment seat 1.

[0034] The above description is merely a preferred embodiment of this utility model. Any simple modifications, equivalent changes, and alterations made by those skilled in the art to the above embodiments without departing from the technical scope of this utility model and based on its technical essence shall still fall within the scope of this utility model.

Claims

1. An angle-adjustable top-support mechanism, characterized in that: It includes an angle adjustment seat that is slidably mounted on a base plate and a top support that is angle-adjustable on the angle adjustment seat. The angle adjustment seat is also provided with a micrometer head for adjusting the angle of the top support.

2. The angle-adjustable top-support mechanism according to claim 1, characterized in that: The angle adjustment seat is provided with a mounting groove, and a mounting shaft for rotatably connecting with the top support is provided in the mounting groove. The angle of the top support can be adjusted in the mounting groove through the mounting shaft.

3. The angle-adjustable top-support mechanism according to claim 2, characterized in that: The mounting groove is U-shaped, and the width of the mounting groove in the vertical direction is greater than the width of the top support in the vertical direction.

4. The angle-adjustable top-support mechanism according to claim 2, characterized in that: The top support includes an adjusting bracket and a top support reference disposed at one end of the adjusting bracket. The adjusting bracket is disposed on the mounting shaft of the adjusting seat through a mounting hole.

5. The angle-adjustable support mechanism according to claim 4, characterized in that: The top reference is detachably mounted on the adjustment bracket.

6. The angle-adjustable top-support mechanism according to claim 4, characterized in that: The adjustment bracket is also provided with a fixing hole, and a fixing bolt is provided in the fixing hole for passing through the fixing hole and abutting against the side of the mounting groove.

7. The angle-adjustable support mechanism according to claim 2, characterized in that: At least two micrometers are provided, with each micrometer positioned on the top of the corresponding angle adjustment seat at both ends of the top support and passing through the angle adjustment seat to abut against the top support.

8. The angle-adjustable top-support mechanism according to claim 1, characterized in that: The base plate is also provided with a slider, and the angle adjustment seat is provided with a slide rail that cooperates with the slider. The slide rail is pushed by a cylinder provided on the base plate.

9. The angle-adjustable top-support mechanism according to claim 8, characterized in that: Both the base plate and the angle adjustment seat are equipped with pull rods on their sides, and the two pull rods are connected by a tension spring.