A positioning structure beneficial to glue spraying of a high-warping substrate

Abstract

The utility model discloses a positioning structure for high warping degree substrate glue spraying relates to substrate glue spraying technical field, including at least two limit parts of installing on the glue spraying frock, single limit part includes pier, cross -beam and vertical frame, and pier sets up on the glue spraying frock, and vertical frame is fixed on the pier, and cross -beam is vertically installed on the vertical frame, and there is the clearance for the edge insertion of substrate between cross -beam and pier. The utility model discloses through setting up a plurality of limit parts on the glue spraying frock, to reach the purpose that the high warping degree substrate is difficult to reach the minimum requirement of vacuum adsorption in the prior art, is difficult to resist the influence that centrifugal force brings.

Description

Technical Field

[0001] This utility model relates to the field of substrate spraying technology, specifically to a positioning structure that facilitates spraying adhesive onto substrates with high warpage. Background Technology

[0002] Thin-film circuits, as high-performance electronic components, are widely used in the electronics field due to their high customizability, thinness, and excellent electrical properties. In the production process of thin-film circuits, photoresist coating is one of the key steps. The substrate typically needs to be pre-fabricated with structures such as through-holes or through-grooves to meet different circuit design requirements. Rotary spray coating technology has become the mainstream coating method because it can ensure uniform coating. Meanwhile, to ensure the stability of the substrate during the coating process, vacuum adsorption is widely used to stabilize the substrate and prevent displacement during high-speed rotation, which would affect the coating quality.

[0003] However, in the actual production process of thin-film circuits, the thinness and warpage of the substrate pose challenges to the adhesive spraying process. Thin-film circuit substrates are often extremely thin, sometimes as low as 0.1 mm, inevitably resulting in a certain degree of warpage after firing. When the warpage is high, it is difficult to form an effective seal between the substrate surface and the vacuum adsorption device. This prevents the vacuum adsorption from reaching the required minimum pressure, leading to air leakage. This leakage makes it difficult for the substrate to remain stable during the rotating adhesive spraying process, thus affecting the uniformity and accuracy of the adhesive spraying. The obstruction in the adhesive spraying process not only reduces production efficiency but may also lead to unstable product quality, increasing production costs and the defect rate.

[0004] In view of the above, this application is hereby submitted. Utility Model Content

[0005] The purpose of this invention is to provide a positioning structure that facilitates the spraying of adhesive onto substrates with high warpage. By setting multiple limiting components on the spraying fixture, the invention solves the problem in the prior art that substrates with high warpage are difficult to meet the minimum requirements for vacuum adsorption and are difficult to resist the influence of centrifugal force.

[0006] This utility model embodiment is achieved through the following technical solution: it includes at least two limiting members installed on the glue spraying fixture. Each limiting member includes a pier, a horizontal frame, and a vertical frame. The pier is set on the glue spraying fixture, the vertical frame is fixed on the pier, the horizontal frame is vertically installed on the vertical frame, and there is a gap between the horizontal frame and the pier for the edge insertion of the substrate.

[0007] Optionally, the projection of the crossbeam in the vertical direction falls into the pier, and the crossbeam protrudes outward from the vertical frame by 1.5-2.5 mm.

[0008] Optionally, the height of the gap is greater than 0.2-0.5 mm of the substrate thickness.

[0009] Optionally, three limiting components are provided, and the three limiting components are arranged in a triangle on the glue spraying fixture.

[0010] Optionally, the three limiting components are arranged in an isosceles right triangle on the glue spraying fixture.

[0011] Optionally, at least one limiting member is provided with an elastic element, which is configured to elastically compress the substrate in the inserted gap, so that the substrate is elastically abutted against the gap.

[0012] Optionally, the elastic element includes an elastic pressure plate disposed on the vertical frame, the elastic pressure plate being configured to elastically compress the substrate and abut against the top of the pier.

[0013] Optionally, the elastic element includes a rubber pad disposed at the bottom of the crossbar.

[0014] Optionally, the elastic element includes a rubber pad disposed on the top of the pier.

[0015] Optionally, the pier and the adhesive spraying fixture can be detachably connected, the vertical frame and the pier can be detachably connected, and the horizontal frame and the vertical frame can be detachably connected.

[0016] Compared with the prior art, the embodiments of this utility model have the following advantages and beneficial effects: 1. The positioning structure for spraying adhesive onto substrates with high warpage provided in this embodiment of the invention, through the cooperation of a platform, a vertical frame, and a horizontal frame, firmly clamps the edge of the substrate in the gap between the horizontal frame and the platform. This not only reduces the impact of substrate warpage on vacuum adsorption but also, with the assistance of the vacuum adsorption device, further ensures the stability of the substrate during the rotational adhesive spraying process. With this structure, the substrate remains stable during adhesive spraying, avoiding displacement caused by warpage and centrifugal force. This not only improves the uniformity and accuracy of adhesive spraying but also significantly increases production efficiency and reduces production costs and the defect rate.

[0017] 2. This embodiment of the invention optimizes the relative dimensions between the crossbeam and the support, and optimizes the protruding length of the crossbeam relative to the vertical frame, so that the crossbeam and the support can better withstand the centrifugal force of the substrate during rotation. Simultaneously, the protruding part of the crossbeam can better contact the edge of the substrate, providing more stable support and preventing displacement of the substrate during rotation. This structure not only improves the uniformity and accuracy of adhesive spraying but also significantly improves production efficiency and reduces production costs and defect rates. By precisely controlling the gap height, stable fixation and effective support of the substrate are achieved, which not only improves the uniformity and accuracy of the adhesive spraying process but also reduces the problem of uneven adhesive spraying caused by substrate shaking.

[0018] 3. By arranging the three limiting components in an isosceles right triangle, not only is the stability of the substrate during the adhesive spraying process improved, but the uniformity and accuracy of the adhesive spraying are also optimized. The triangular arrangement provides uniform support, reducing the displacement of the substrate due to centrifugal force during rotation, thereby ensuring the uniformity of adhesive spraying. The symmetry of the isosceles right triangle further optimizes the support effect, ensuring that the center of gravity of the substrate is located at the center of the triangle, further improving the stability of the substrate.

[0019] 4. In this embodiment of the utility model, an elastic element is provided on at least one limiting element. The elastic compression of the elastic element can adapt to the slight warping and thickness changes of the substrate, provide stable support, and prevent the substrate from being displaced due to centrifugal force during rotation, so as to achieve comprehensive lateral and longitudinal limiting of the limiting element.

[0020] In general, the embodiments of this utility model provide a positioning structure that facilitates the spraying of adhesive onto high warp substrates. By setting multiple limiting components on the spraying fixture, it avoids the difficulty in achieving the minimum requirements for vacuum adsorption and the inability to resist the influence of centrifugal force on high warp substrates in the prior art. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A front view of the positioning structure for spraying adhesive onto a substrate with high warp, provided in an embodiment of this utility model; Figure 2 for Figure 1 Enlarged view of the structure at point A in the middle; Figure 3 A side view of the positioning structure for spraying adhesive onto a substrate with high warpage, provided in an embodiment of this utility model;

[0023] Figure 4 A top view of a positioning structure for spraying adhesive onto a substrate with high warpage, provided in an embodiment of this utility model. Figure 5 for Figure 4 Enlarged view of the structure at point B in the middle.

[0024] The attached diagram shows the markings and corresponding component names: 1. Glue spraying fixture, 2. Limiting component, 3. Platform, 4. Horizontal frame, 5. Vertical frame, 6. Base plate, 7. Gap, 8. Elastic pressure plate. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0027] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0028] In the description of this utility model, it should be noted that the terms "first", "second", "third", etc. are used only for distinguishing descriptions and should not be construed as indicating or implying relative importance. Example

[0029] Combined with reference Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this utility model embodiment provides a positioning structure that facilitates the spraying of adhesive onto a substrate with high warpage. It includes at least two limiting members 2 installed on the spraying fixture 1. Each limiting member 2 includes a platform 3, a horizontal frame 4, and a vertical frame 5. The platform 3 is set on the spraying fixture 1, the vertical frame 5 is fixed on the platform 3, the horizontal frame 4 is vertically installed on the vertical frame 5, and there is a gap 7 between the horizontal frame 4 and the platform 3 for the edge insertion of the substrate 6.

[0030] Specifically, an existing glue spraying fixture 1 is used as the base of the entire positioning structure to fix the limiting member 2 and provide a connection interface with the glue spraying equipment. Its surface is flat and can contact the substrate 6 to ensure that the substrate 6 remains stable during the glue spraying process. In this embodiment of the invention, the limiting member 2 is used to fix the substrate 6 and prevent it from shifting due to warping during the rotational glue spraying process. Each limiting member 2 consists of the following parts: The platform 3 serves as the supporting part of the limiting component 2 and is fixed on the glue spraying fixture 1, providing a stable support point; The vertical frame 5 is fixed vertically on the pier 3 to support the horizontal frame 4, and its height can be set according to the degree of warping of the substrate 6. The horizontal frame 4 is vertically installed on the vertical frame 5, and there is a gap 7 between it and the pier 3 for inserting the edge of the substrate 6. The thickness of the gap 7 can be set according to the thickness of the substrate 6, and is not limited here.

[0031] More specifically, the platform and the adhesive spraying fixture 1 can be fixed by means of threads or clips, so that the platform 3 is firmly installed on the adhesive spraying fixture 1, ensuring the stability of the platform 3 and being able to withstand the centrifugal force of the substrate 6 during rotation; the vertical frame 5 can be fixed to the platform 3 by means of threads or welding, and the height of the vertical frame 5 can be adjusted according to the degree of warping of the substrate 6 to ensure that the horizontal frame 4 can be in close contact with the edge of the substrate 6; the horizontal frame 4 can also be vertically installed on the vertical frame 5 by means of threads or clips, and there is a gap 7 between the horizontal frame 4 and the platform 3 for inserting the edge of the substrate 6. This structure allows the substrate 6 to remain stable during the adhesive spraying process and prevents displacement due to warping.

[0032] In a preferred embodiment of this utility model, the pier 3 is detachably connected to the adhesive spraying fixture 1, the vertical frame 5 is detachably connected to the pier 3, and the horizontal frame 4 is detachably connected to the vertical frame 5. By adopting a detachable connection method, not only is the flexibility and maintainability of the positioning structure improved, but production efficiency is also significantly increased. In actual production, damaged parts can be quickly replaced, reducing downtime and ensuring production continuity. Furthermore, adjustments and optimizations can be made according to the characteristics of different substrates 6, thereby improving the uniformity and accuracy of adhesive spraying and adapting to various production needs.

[0033] The specific usage is as follows: Before applying the adhesive, the substrate 6 is placed on the adhesive spraying fixture 1, and the edge of the substrate 6 is inserted into the gap 7 between the crossbeam 4 and the pier 3, thereby fixing the substrate 6 through multiple gaps 7. Although the substrate 6 is warped, the edge of the substrate 6 is firmly clamped between the crossbeam 4 and the pier 3 by the fixing action of the limiting member 2, reducing the impact of warping on vacuum adsorption. The vacuum adsorption device can more effectively adsorb the substrate 6, ensuring that the substrate 6 remains stable during the rotating adhesive spraying process. During the adhesive spraying process, the substrate 6 rotates at high speed on the adhesive spraying fixture 1. The fixing action of the limiting member 2 and the auxiliary action of vacuum adsorption together ensure that the substrate 6 will not be displaced due to centrifugal force, thereby ensuring the uniformity and accuracy of adhesive spraying.

[0034] In a preferred embodiment of this invention, the vertical projection of the crossbeam 4 falls within the pier 3, and the crossbeam 4 protrudes outward from the vertical frame 5 by 1.5-2.5 mm. This means the vertical projection of the crossbeam 4 completely covers the area of ​​the pier 3, ensuring sufficient contact area between the crossbeam 4 and the pier 3 for the substrate 6. The protruding portion of the crossbeam 4 allows for better contact with the edge of the substrate 6, providing more stable support and preventing the substrate 6 from sliding outward due to centrifugal force during rotation. More preferably, the height of the gap 7 is 0.2-0.5 mm greater than the thickness of the substrate 6 to ensure that the substrate 6 can be smoothly inserted into the gap 7, while avoiding instability of the substrate 6 during adhesive spraying due to an excessively large gap 7.

[0035] It should be noted that the number of limiting members 2 and their relative positions are not limited here. They can be adjusted based on factors such as the shape of the substrate 6, and are not restricted here. Preferably, refer to... Figure 4 As shown, there are three limiting members 2, which are arranged in a triangle on the glue spraying fixture 1. More preferably, the three limiting members 2 are arranged in an isosceles right triangle on the glue spraying fixture 1.

[0036] Specifically, by arranging the three limiting members 2 in a triangle, the substrate 6 can be ensured to receive uniform support during the adhesive spraying process, reducing displacement caused by warping or centrifugal force. The isosceles right-angled triangle arrangement further optimizes the support effect, not only evenly distributing centrifugal force but also ensuring that the center of gravity of the substrate 6 is located at the center of the triangle, thus providing more stable support. In addition, the symmetry of the isosceles right-angled triangle makes the force on the substrate 6 more uniform during rotation, further improving the uniformity and accuracy of adhesive spraying.

[0037] Furthermore, in this embodiment of the invention, at least one limiting member 2 is provided with an elastic member, which is configured to elastically compress the substrate 6 inserted into the gap 7, elastically abutting the substrate 6 within the gap 7. The elastic compression of the elastic member can adapt to the slight warping and thickness changes of the substrate 6, providing stable support and preventing the substrate 6 from shifting due to centrifugal force during rotation. This structure not only improves the uniformity and accuracy of adhesive spraying but also further reduces the problem of uneven adhesive spraying caused by the instability of the substrate 6. In addition, the self-adjusting capability of the elastic member allows the positioning structure to adapt to substrates 6 of different thicknesses and warping degrees, improving the versatility and flexibility of the equipment.

[0038] It should be noted that the specific structure of the elastic element is not limited here, and existing structural designs can be used to implement it. For example, refer to... Figure 5As shown, the elastic element includes an elastic pressure plate 8 disposed on the vertical frame 5. The elastic pressure plate 8 is configured to elastically compress the base plate 6 and abut against the top of the pier 3. Specifically, one end of the elastic pressure plate 8 can be fixed to the vertical frame 5 by screws, bolts or other fixing devices to ensure that the elastic pressure plate 8 will not shift during operation, and to facilitate installation and disassembly. The other end of the elastic pressure plate 8 is a movable end, which is configured to be able to bend and stretch freely. The shape of the movable end is preferably arc-shaped or inclined, so as to better contact the edge of the base plate 6 and apply uniform elastic force. The main body of the elastic pressure plate 8 can be made of a material with a certain degree of elasticity, such as spring steel, stainless steel or polymer elastic material.

[0039] In other embodiments, the elastic element can also be configured to include a rubber pad disposed at the bottom of the crossbeam 4 and / or a rubber pad disposed at the top of the pier 3. That is, by setting rubber pads at the bottom of the crossbeam 4 and the top of the pier 3, the elastic clamping function can also be achieved. The elastic support of the double rubber pads can adapt to the slight warping and thickness changes of the substrate 6, provide stable support, and prevent the substrate 6 from being displaced due to centrifugal force during rotation.

[0040] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model. It should be noted that the structures or components illustrated in the accompanying drawings are not necessarily drawn to scale, and descriptions of well-known components, processing techniques, and processes are omitted to avoid unnecessarily limiting the utility model.

Claims

1. A positioning structure that facilitates adhesive spraying onto substrates with high warpage, characterized in that, Includes at least two limiting members (2) mounted on a spray adhesive fixture (1), each of the limiting members (2) including a platform (3), a horizontal frame (4) and a vertical frame (5), the platform (3) being disposed on the spray adhesive fixture (1), the vertical frame (5) being fixed on the platform (3), the horizontal frame (4) being vertically mounted on the vertical frame (5), and a gap (7) between the horizontal frame (4) and the platform (3) for edge insertion of a substrate (6).

2. The positioning structure for spraying adhesive onto a substrate with high warpage as described in claim 1, characterized in that, The projection of the horizontal frame (4) in the vertical direction falls into the pier (3), and the horizontal frame (4) protrudes outward from the vertical frame (5) by 1.5-2.5 mm.

3. The positioning structure for spraying adhesive onto a substrate with high warpage as described in claim 2, characterized in that, The height of the gap (7) is greater than the thickness of the substrate (6) by 0.2-0.5 mm.

4. The positioning structure for spraying adhesive onto a substrate with high warpage as described in claim 1, characterized in that, There are three limiting members (2), and the three limiting members (2) are arranged in a triangle on the glue spraying fixture (1).

5. The positioning structure for spraying adhesive onto a substrate with high warpage as described in claim 4, characterized in that, The three limiting members (2) are arranged in an isosceles right triangle on the glue spraying fixture (1).

6. The positioning structure for spraying adhesive onto a substrate with high warpage as described in claim 4, characterized in that, At least one limiting member (2) is provided with an elastic member, which is configured to elastically compress the substrate (6) of the inserted gap (7) and elastically abut the substrate (6) within the gap (7).

7. The positioning structure for spraying adhesive onto a substrate with high warpage as described in claim 6, characterized in that, The elastic element includes an elastic pressure plate (8) disposed on the vertical frame (5), the elastic pressure plate (8) being configured to elastically compress the substrate (6) and abut against the top of the pier (3).

8. The positioning structure for spraying adhesive onto a substrate with high warpage as described in claim 6, characterized in that, The elastic element includes a rubber pad disposed at the bottom of the crossbar (4).

9. A positioning structure for spraying adhesive onto a substrate with high warpage, as described in claim 6 or 8, characterized in that, The elastic element includes a rubber pad disposed on the top of the pier (3).

10. The positioning structure for spraying adhesive onto a substrate with high warpage as described in claim 1, characterized in that, The pier (3) is detachably connected to the glue spraying fixture (1), the vertical frame (5) is detachably connected to the pier (3), and the horizontal frame (4) is detachably connected to the vertical frame (5).

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