Large plane product flatness rapid adjusting device

CN224600218UActive Publication Date: 2026-08-07HUANGYU PRECISION TECHNOLOGY (SUZHOU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUANGYU PRECISION TECHNOLOGY (SUZHOU) CO LTD
Filing Date
2025-09-17
Publication Date
2026-08-07

AI Technical Summary

Technical Problem

该方式存在一些局限,即加工周期长、成本高,且调整后需二次检测,若精度不达标则需重复加工,效率低下

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Abstract

The utility model discloses a kind of large plane product flatness quick adjusting device, including screw, and realize threaded assembly with mould;Metal frame, including through hole for screw, metal frame is penetrated by several screws, the rim of metal frame has downwardly extending drooping hook, drooping hook has the square mouth of penetration drooping hook;Hook, set in the side wall of mould, hook and the square mouth of drooping hook assembly, the vertical dimension of hook is less than the vertical dimension of square mouth, hook has the relative vertical lifting freedom degree in square mouth. Adopt the utility model by screw drive metal frame local deformation, realize flatness quick adjustment. The cooperation of hook and square mouth is similar to the pre-fixing of clamping, also has certain lifting guiding effect, and also provides displacement reference for visual lifting adjustment amount.
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Description

Technical Field

[0001] This utility model relates to the field of precision adjustment mechanisms, specifically to a device for rapidly adjusting the flatness of large flat products. Background Technology

[0002] In the manufacturing of large-scale molded parts and panel components—products with large flat surfaces—flatness is a key indicator determining assembly accuracy and performance. Currently, the mainstream approach to adjusting flatness deviations is reverse machining compensation. This involves first detecting the flatness deformation trend and then correcting it through machining. This method has limitations: long processing cycles, high costs, and the need for secondary inspection after adjustment. If the accuracy is not met, repeated machining is required, resulting in low efficiency. Furthermore, traditional adjustment methods are simplistic and lack flexible local fine-tuning solutions, making it difficult to quickly adapt to flatness deviations of different locations and degrees, thus failing to meet the high-efficiency and precise flatness adjustment requirements of large-scale flat surface products. Utility Model Content

[0003] The problem to be solved by this utility model is to provide a device for quickly adjusting the flatness of large flat products.

[0004] To solve the above problems, this utility model provides a device for quickly adjusting the flatness of large-plane products. To achieve the above objectives, the technical solution adopted by this utility model to solve its technical problems is as follows: A device for quickly adjusting the flatness of a large flat product includes: screws for threaded assembly with a mold; a metal frame including a through hole for the screws to pass through, wherein a plurality of screws pass through the metal frame, and the edge of the metal frame has a downwardly extending drooping hook, wherein the drooping hook has a square opening through the drooping hook; and a protruding hook disposed on the side wall of the mold, wherein the protruding hook is assembled with the square opening of the drooping hook, wherein the vertical dimension of the protruding hook is smaller than the vertical dimension of the square opening, and the protruding hook has a relative vertical lifting freedom within the square opening.

[0005] As a further improvement of this utility model, the surface of the convex hook includes an upper inclined surface and a lower inclined surface, and a convex ridge is formed at the junction of the upper inclined surface and the lower inclined surface, and the convex ridge extends in the horizontal direction.

[0006] As a further improvement of this utility model, the raised ridge is coated with a bright-colored marking line.

[0007] As a further improvement of this utility model, the dangling hook has markings printed on the edge of the square opening.

[0008] As a further improvement of this utility model, the obtuse angle at the junction of the upper inclined surface and the mold side wall is greater than the obtuse angle at the junction of the lower inclined surface and the mold side wall.

[0009] As a further improvement of this utility model, the horizontal dimension of the protruding hook is equal to the horizontal dimension of the square opening.

[0010] As a further improvement of this utility model, the through holes are distributed along the edge of the metal frame, and the number of through holes is equal to the number of hanging hooks.

[0011] As a further improvement of this utility model, the metal frame includes a bottom edge strip and a top edge strip. The bottom edge strip is located below the top edge strip. The bottom edge strip and the top edge strip are integrally connected by an oblique edge strip. The bottom edge strip and the oblique edge strip are connected at an obtuse angle, and the top edge strip and the oblique edge strip are connected at an obtuse angle.

[0012] As a further improvement of this utility model, the drooping hook is connected to the top edge strip, the through hole is located on the bottom edge strip, and the height of the top edge strip is not lower than the height of the top of the screw.

[0013] As a further improvement of this utility model, the screw includes a screw rod and a head, the head having an internal hexagonal hole.

[0014] The beneficial technical effects of using the large-area product flatness rapid adjustment device of this application are: It enables rapid adjustment of the flatness of large-area products without relying on the complex process of reverse compensation in traditional machining. The screws are threaded into the mold, and localized deformation of the metal frame can be driven simply by turning the screws.

[0015] The metal frame is assembled with the protrusion on the side wall of the mold through the square opening of the drooping hook. The protrusion can not only pre-fix the metal frame to prevent it from loosening and shifting during the adjustment process, but also, because the vertical dimension of the protrusion is smaller than that of the square opening, it has a relative vertical lifting freedom. The square opening acts as a guide groove, which can accommodate the slight displacement of the metal frame during adjustment, ensuring that the adjustment operation is stable and controllable, and avoiding adjustment deviations caused by structural loosening.

[0016] Meanwhile, the adjustment process also provides intuitive reference points, helping to improve adjustment accuracy. Whether the hook is positioned high, low, or centered within the square opening, operators can roughly judge the difference in screw tightening amount at different positions by observing the changes in the hook's position within the square opening. This avoids blind adjustments, lays the foundation for subsequent precise fine-tuning, and more easily meets the flatness accuracy requirements of large-plane products. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model 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 only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a structural schematic diagram of one embodiment of the present invention; Figure 2 This is a schematic diagram illustrating the application of a dangling hook according to one embodiment of this utility model.

[0019] 1-Screw; 101-Screw rod; 102-Head; 103-Internal hexagonal hole; 2-Metal frame; 201-Bottom edge strip; 202-Top edge strip; 203-Beveled edge strip; 204-Through hole; 205-Dangling hook; 206-Square opening; 207-Scale; 3-Mold; 4-Protruding hook; 401-Upper bevel; 402-Lower bevel; 403-Protruding ridge. Detailed Implementation

[0020] The present invention will be further described in detail below with reference to specific embodiments: To achieve the purpose of this utility model, please refer to Figure 1 and Figure 2 A device for quickly adjusting the flatness of a large flat surface product includes: a screw 1, which is threadedly assembled with a mold 3; a metal frame 2, including a through hole 204 for the screw 1 to pass through, a plurality of screws 1 passing through the metal frame 2, and a downwardly extending drooping hook 205 on the edge of the metal frame 2, the drooping hook 205 having a square opening 206 through which the drooping hook 205 passes. Figure 2 As shown, the protruding hook 4 is set on the side wall of the mold 3. The protruding hook 4 is assembled with the square opening 206 of the hanging hook 205. The vertical dimension of the protruding hook 4 is smaller than the vertical dimension of the square opening 206. The protruding hook 4 has a relative vertical lifting freedom within the square opening 206.

[0021] The amount of screw 1 being turned causes a slight downward deformation to the local metal frame 2, which facilitates the adjustment of the local flatness. At the same time, it also causes a slight displacement of the nearby drooping hook 205. The protrusion 4 in the square hole 206 provides a pre-fixation for the metal frame 2 to prevent it from loosening. On the other hand, by observing the position of the protrusion 4 in the square hole 206, the difference in the amount of screw 1 being turned can be easily and quickly observed.

[0022] Figure 1 Not all metal frames 2 are shown because the shape of metal frames 2 is not rated; it depends on the mold that needs to be fitted. Figure 1The image shows only two screws 1 and two dangling hooks 205, which is enough to make it easy to understand that turning different screws 1 results in a slight change in the height of adjacent dangling hooks 205.

[0023] To clearly show the shape of hook 4, Figure 2 Equivalent to Figure 1 A side view. Figure 2 The middle section only shows a square opening 206 and a protruding hook 4.

[0024] The beneficial effects of adopting the above technical solution are as follows: through the threaded assembly of screw 1 and mold 3, and the assembly structure of the drooping hook 205 on metal frame 2 and the protruding hook 4 on the side wall of mold 3, local deformation can be generated quickly when screw 1 is rotated, so as to achieve efficient fine adjustment of flatness. At the same time, the protruding hook 4 has vertical movement freedom in the square opening 206, which not only plays a pre-fixing role, but also allows the slight displacement of metal frame 2 during adjustment, and also plays the role of displacement guidance and facilitates visual inspection and rough comparison.

[0025] In some other embodiments of the present invention, the surface of the hook 4 includes an upper inclined surface 401 and a lower inclined surface 402, and a convex ridge 403 is formed at the junction of the upper inclined surface 401 and the lower inclined surface 402, and the convex ridge 403 extends in the horizontal direction.

[0026] The beneficial effect of adopting the above technical solution is that the protruding hook 4 can easily achieve a flexible snap-fit ​​effect with the square opening 206, which can be detached and installed.

[0027] In some other embodiments of this utility model, the raised ridge 403 is coated with a bright-colored marking line.

[0028] The marking lines can be bright colors such as yellow or red.

[0029] The beneficial effects of adopting the above technical solution are: coating the convex edge 403 with a bright marking line significantly improves the visual recognition of the convex hook 4 in the square opening 206, making it easier for operators to quickly judge the approximate position of the convex edge 403 in the square opening 206, thereby roughly reading the approximate degree of tightening and lowering of different screws.

[0030] In some other embodiments of this utility model, the drooping hook 205 has markings 207 printed on the edge of the square opening 206.

[0031] Scale 207 is a size scale, which is set vertically on one side of the opening edge of the square opening 206.

[0032] The beneficial effect of adopting the above technical solution is that by observing the scale line that specifically corresponds to the scale 207 of the protruding ridge 403, it is easier to perceive the relative position of the scale 207 in the square opening 206.

[0033] like Figure 2 As shown, in some other embodiments of this utility model, the obtuse angle at the junction of the upper inclined surface 401 and the side wall of the mold 3 is greater than the obtuse angle at the junction of the lower inclined surface 402 and the side wall of the mold 3.

[0034] The beneficial effects of adopting the above technical solution are: the upper slope 401 and the lower slope 402 have different steepness, which makes it easier for the force of the protruding hook 4 to be inserted into the square hole 206 to be less than the force of the protruding hook 4 to be released from the square hole 206.

[0035] In some other embodiments of this utility model, the horizontal dimension of the hook 4 is equal to the horizontal dimension of the square opening 206.

[0036] The beneficial effects of adopting the above technical solution are: the horizontal dimension of the protruding hook 4 is consistent with the horizontal dimension of the square opening 206, which reduces the left and right swaying in the horizontal direction, ensures that the protruding hook 4 moves smoothly in the opening, and avoids adjustment errors caused by skewness.

[0037] In some other embodiments of this utility model, the through holes 204 are distributed along the edge of the metal frame 2, and the number of through holes 204 is equal to the number of hanging hooks 205.

[0038] The beneficial effects of adopting the above technical solution are: the number of through holes 204 is the same as the number of hanging hooks 205, and they are distributed along the edge of the metal frame 2, which can adjust the height of each local part of the edge of the metal frame 2, and the number of through holes 204 and hanging hooks 205 can also be basically one-to-one correspondence.

[0039] like Figure 1 As shown, in some other embodiments of this utility model, the metal frame 2 includes a bottom edge strip 201 and a top edge strip 202. The bottom edge strip 201 is located below the top edge strip 202. The bottom edge strip 201 and the top edge strip 202 are integrally connected by a diagonal edge strip 203. The bottom edge strip 201 and the diagonal edge strip 203 are connected at an obtuse angle, and the top edge strip 202 and the diagonal edge strip 203 are connected at an obtuse angle.

[0040] When the metal frame 2 is not deformed under pressure, all the bottom edge strips 201 are on the same horizontal plane. When different screws 1 are turned by different amounts, due to the elastic deformation of the metal frame 2, some parts of the metal frame 2 will move downwards by different amounts. The amount of downward movement will also be directly reflected in the height of the adjacent drooping hooks 205, which is easy to see. However, the amount of screw 1 being turned cannot be directly seen by looking at the screw 1, because the lower half of the screw 1 is embedded in the mold 3.

[0041] The beneficial effect of adopting the above technical solution is that the metal frame 2 is not a simple planar border structure, but has a certain spatial form.

[0042] In some other embodiments of this utility model, the drooping hook 205 is connected to the top edge strip 202, the through hole 204 is located on the bottom edge strip 201, and the height of the top edge strip 202 is not lower than the height of the top of the screw 1.

[0043] The beneficial effects of adopting the above technical solution are: the screw 1 is in a low position, and when necessary, the top of the screw 1 will not damage the overall flatness of the top of the metal frame 2.

[0044] In some other embodiments of the present invention, the screw 1 includes a screw 101 and a head 102, the head 102 having an internal hexagonal hole 103.

[0045] The beneficial effects of adopting the above technical solution are: screw 1 is an internal hexagon screw, which is convenient for operation in narrow spaces.

[0046] The flatness quick adjustment device for large flat products in this application first fixes screw 1 according to the theoretical position, and then adjusts screw 1 at the out-of-tolerance position synchronously according to the measured out-of-tolerance points and height differences.

[0047] The flatness adjustment device for large flat products proposed in this application has a short parts processing cycle, low cost, short debugging time, and the debugging method is simple and easy to use.

[0048] The above embodiments are only for illustrating the technical concept and features of this utility model. Their purpose is to enable those skilled in the art to understand the content of this utility model and implement it. They should not be used to limit the protection scope of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be covered within the protection scope of this utility model.

Claims

1. A device for rapidly adjusting the flatness of large flat products, characterized in that, include: Screws are used to achieve threaded assembly with molds. A metal frame, including through holes for screws to pass through, a plurality of screws passing through the metal frame, and the edge of the metal frame having downwardly extending dangling hooks, the dangling hooks having square openings through the dangling hooks. A protruding hook is provided on the side wall of the mold. The protruding hook is assembled with the square opening of the hanging hook. The vertical dimension of the protruding hook is smaller than the vertical dimension of the square opening. The protruding hook has a relative vertical lifting freedom within the square opening.

2. The device for rapid flatness adjustment of large flat products according to claim 1, characterized in that: The surface of the hook includes an upper inclined surface and a lower inclined surface, and a convex ridge is formed at the junction of the upper inclined surface and the lower inclined surface, and the convex ridge extends in the horizontal direction.

3. The device for rapid flatness adjustment of large flat products according to claim 2, characterized in that: The raised ridges are coated with bright-colored marking lines.

4. The device for rapid flatness adjustment of large flat products according to claim 1, characterized in that: The dangling hook has markings printed on the edge of the square opening.

5. The device for rapid flatness adjustment of large-area products according to claim 2, characterized in that: The obtuse angle at the junction of the upper inclined surface and the mold sidewall is greater than the obtuse angle at the junction of the lower inclined surface and the mold sidewall.

6. The device for rapid flatness adjustment of large flat products according to claim 1, characterized in that: The horizontal dimension of the protruding hook is equal to the horizontal dimension of the square opening.

7. The device for rapid flatness adjustment of large flat products according to claim 1, characterized in that: The through holes are distributed along the edge of the metal frame, and the number of through holes is equal to the number of hanging hooks.

8. The device for rapid flatness adjustment of large flat products according to claim 1, characterized in that: The metal frame includes a bottom edge strip and a top edge strip. The bottom edge strip is located below the top edge strip. The bottom edge strip and the top edge strip are integrally connected by a diagonal edge strip. The bottom edge strip and the diagonal edge strip are connected at an obtuse angle, and the top edge strip and the diagonal edge strip are connected at an obtuse angle.

9. The device for rapid flatness adjustment of large flat products according to claim 8, characterized in that: The drooping hook is connected to the top edge strip, the through hole is located on the bottom edge strip, and the height of the top edge strip is not lower than the height of the top of the screw.

10. The device for rapid flatness adjustment of large flat products according to claim 1, characterized in that: The screw includes a shank and a head, the head having an internal hexagonal hole.