Glass substrate thermal shrinkage detection sample preparation device
By designing a glass substrate heat shrink detection sample preparation device, using a guide lifting rod and an elastic traction structure, combined with magnetic fixation, the thermal shrink measurement error problem caused by the scribing deviation of the glass substrate in the prior art is solved, and the accurate positioning and stable scribing of the glass substrate are achieved, which improves the accuracy and convenience of measurement.
Patent Information
- Application Number
- CN202421916370.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-08-08
AI Technical Summary
In the prior art, the thermal shrinkage measurement method of thin film transistor liquid crystal display glass substrate relies on manpower scribe, resulting in trajectory deviation and inaccurate alignment, resulting in large thermal shrinkage measurement errors.
A glass substrate heat shrink detection sample preparation device is designed, including a stage, side panel baffle, support frame, limit chute, telescopic assembly and traction spring. The stability of the scribe and split blades is ensured through the guide lifting rod and the elastic traction structure, and combined with the magnetic fixing structure, the accurate positioning and fixing of the glass substrate is achieved.
The stability of the scribe and segmentation of the glass substrate is achieved, ensuring the accurate alignment of the two samples, reducing the measurement error of heat shrinkage, and improving the accuracy and convenience of measurement.
Smart Images

Figure CN223091635U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sample preparation devices, and specifically relates to a sample preparation device for detecting the thermal shrinkage of glass substrates. Background Technique
[0002] Today, with the rapid development of liquid crystal glass, as one of the most important components of display devices, thin-film transistor liquid crystal display glass substrates need to undergo multiple process steps at high temperatures during panel manufacturing. For example, in the coating process, it needs to be processed at 350°C - 400°C. This requires that the thin-film transistor liquid crystal display glass substrates must not undergo significant deformation during high-temperature heat treatment, so there are high requirements for the thermal stability of thin-film transistor liquid crystal display glass substrates.
[0003] The current method for fabricating thin-film transistor liquid crystal display glass thermal shrinkage samples is the scribing method, that is, scribing marks are made on both sides of the glass sample, and then the glass sample is cut in half with a glass cutter. One piece of the glass sample is not processed, and the other piece of the glass sample is processed under test conditions. Finally, the two pieces of glass samples are spliced together, and the difference in the scribing scale values on both sides is observed through a microscope to calculate the thermal shrinkage rate. However, this method relies on manual scribing of the glass substrate, which leads to deviations in the scribing trajectory during scribing, resulting in inaccurate alignment of the scribing positions after splicing the two sample pieces, and thus increasing the measurement error of thermal shrinkage. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a sample preparation device for detecting the thermal shrinkage of glass substrates to solve the technical problems mentioned in the above background technique.
[0005] The technical problems to be solved by the utility model can be achieved through the following technical solutions:
[0006] A sample preparation device for detecting the thermal shrinkage of glass substrates includes a loading platform;
[0007] Side plate baffles are arranged on the side of the tabletop of the loading platform. A first support frame and a second support frame are slidably arranged on one side of the side plate baffle. Both the first support frame and the second support frame are longitudinally distributed in an L shape, and the length of the second support frame is half of that of the first support frame. A limiting sliding groove is penetrated and opened at the top of the first support frame, and a limiting sliding block is slidably arranged inside the limiting sliding groove. Telescopic components are arranged on both the second support frame and the limiting sliding block;
[0008] Among them, the telescopic component includes a guiding lifting rod slidably arranged on the second support frame and the limiting sliding block, a pressing block arranged at the top end of the guiding lifting rod, a tool holder arranged at the bottom end of the guiding lifting rod, and a traction spring sleeved outside the guiding lifting rod.
[0009] As a further solution of the present utility model: The telescopic assembly provided on the second support frame is used to assemble a glass cutter for dividing a glass substrate, and the telescopic assembly provided on the limit slider is used to assemble a blade for scribing marks on the glass substrate.
[0010] As a further solution of the present utility model: A scale line is provided at the top of the side plate baffle, and the scale line is horizontally distributed. A fastening baffle matching the side plate baffle is movably provided at the side of the tabletop of the carrier table. The side plate baffle and the fastening baffle are connected end to end and surround the periphery of the tabletop of the carrier table. Fixing grooves are opened at both ends of the side plate baffle, and magnetic blocks are arranged inside the fixing grooves.
[0011] As a further solution of the present utility model: Plug columns matching the fixing grooves are provided at both ends of the fastening baffle, and the plug columns are made of magnetic adsorption material.
[0012] As a further solution of the present utility model: An adjustment chute for the first support frame and the second support frame to slide is opened on one side of the side plate baffle, and fixing seats matching the adjustment chute are arranged at the bottoms of the first support frame and the second support frame.
[0013] As a further solution of the present utility model: Positioning bolts and fixing nuts for forming a fixed connection with the side plate baffle are arranged on the fixing seat.
[0014] The beneficial effects of the present utility model:
[0015] 1. In the present utility model, the limit chute opened on the first support frame and the adjustment chute opened on the side plate baffle can respectively limit the movement of the limit slider and the second support frame, thereby ensuring the stability of the scribing blade and the glass cutter during movement, avoiding deviation, and ensuring that the scribing positions can be accurately aligned after the subsequent two sample pieces are spliced. The elastic traction formed by the guiding lifting rod and the traction spring on the scribing blade and the glass cutter. When in use, the operator can press down the pressing block, and the scribing blade and the glass cutter are respectively in contact with the glass substrate. When not in use, the traction spring pulls the scribing blade and the glass cutter to a certain height, facilitating the placement of the glass substrate.
[0016] 2. In the present utility model, through the provided split side plate baffle and fastening baffle, while forming a stable fixation for the glass substrate, the fastening baffle can be disassembled when placing the glass substrate, avoiding obstruction, and providing great convenience for the operator to load and unload materials. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The present utility model will be further described below with reference to the accompanying drawings.
[0018] Figure 1 It is a three-dimensional schematic diagram of the whole device in the present utility model;
[0019] Figure 2 is the enlarged schematic view of part A in the present utility model Figure 1 ;
[0020] Figure 3 is the structural schematic view of the telescopic assembly in the present utility model
[0021] Figure 4 is the structural schematic view of the fixed seat in the present utility model
[0022] In the figure: 1, loading platform; 2, side plate baffle; 3, fastening baffle; 4, first support frame; 5, second support frame; 6, limiting sliding groove; 7, limiting sliding block; 8, guiding lifting rod; 9, pressing block; 10, tool holder; 11, traction spring; 12, fixing groove; 13, inserting column; 14, adjusting sliding groove; 15, fixed seat; 16, positioning bolt; 17, fixing nut. Specific embodiments
[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0024] As Figures 1-4 shown, a glass substrate thermal shrinkage detection sample preparation device includes a loading platform 1;
[0025] A side plate baffle 2 is arranged on the side of the tabletop of the loading platform 1. A first support frame 4 and a second support frame 5 are slidably arranged on one side of the side plate baffle 2. Both the first support frame 4 and the second support frame 5 are longitudinally distributed in an L shape. The length of the second support frame 5 is half of that of the first support frame 4. The telescopic assembly arranged on the second support frame 5 is used for assembling a glass cutter for glass substrate segmentation. A limiting sliding groove 6 is formed through the top of the first support frame 4. A limiting sliding block 7 is slidably arranged inside the limiting sliding groove 6. The telescopic assembly arranged on the limiting sliding block 7 is used for assembling a blade for scribing marks on the glass substrate. Telescopic assemblies are arranged on both the second support frame 5 and the limiting sliding block 7;
[0026] Among them, the telescopic component includes a guiding lifting rod 8 slidably arranged on the second support frame 5 and the limit slider 7, a pressing block 9 arranged at the top end of the guiding lifting rod 8, a tool holder 10 arranged at the bottom end of the guiding lifting rod 8, a traction spring 11 sleeved outside the guiding lifting rod 8. One side of the side plate baffle 2 is provided with an adjustment chute 14 for the first support frame 4 and the second support frame 5 to slide. The bottoms of the first support frame 4 and the second support frame 5 are provided with fixing seats 15 matching the adjustment chute 14. The fixing seats 15 are provided with positioning bolts 16 and fixing nuts 17 for fixedly connecting with the side plate baffle 2. When it is necessary to scribe and mark the glass substrate, the fixing of the second support frame 5 and the side plate baffle 2 by the positioning bolt 16 and the fixing nut 17 can be released first, then the second support frame 5 is slid to one end of the adjustment chute 14, and then the first support frame 4 is successively fixed at two points on the adjustment chute 14, and then scribing is carried out with the blade thereon. After the marking is completed, the first support frame 4 is slid to the other end of the adjustment chute 14, and the second support frame 5 is slid to divide the glass substrate by the glass cutter. The movement of the limit slider 7 and the second support frame 5 can be limited respectively through the limit chute 6 opened on the first support frame 4 and the adjustment chute 14 opened on the side plate baffle 2, ensuring the stability of their movement during movement. Through the elastic traction structure composed of the guiding lifting rod 8 and the traction spring 11, when in use, the staff can press down the pressing block 9, so that the guiding lifting rod 8 moves downward, and the traction spring 11 is stretched. The scribing blade and the glass dividing cutter are respectively in contact with the glass substrate. When not in use, the traction spring 11 pulls the scribing blade and the glass dividing cutter to a certain height, facilitating the placement of the glass substrate.
[0027] In this embodiment, specifically, the top of the side plate baffle 2 is provided with scale lines, and the scale lines are horizontally distributed, used to measure the distance between two marking lines when the blade for scribing the glass substrate arranged on the limit slider 7 is sliding, facilitating subsequent calculation. The side of the tabletop of the carrier 1 is movably provided with a fastening baffle 3 matching the side plate baffle 2. The side plate baffle 2 and the fastening baffle 3 are connected end to end and surround the four sides of the tabletop of the carrier 1. Both ends of the side plate baffle 2 are provided with fixing grooves 12, and magnetic blocks are arranged inside the fixing grooves 12. Both ends of the fastening baffle 3 are provided with insertion posts 13 matching the fixing grooves 12. The insertion posts 13 are made of magnetic adsorption material. After the glass substrate is placed on the carrier 1, the insertion posts 13 arranged at both ends of the fastening baffle 3 can be inserted into the fixing grooves 12 on the side plate baffle 2, and the magnetic blocks arranged inside the fixing grooves 12 can stably adsorb the insertion posts 13, so that the glass substrate can be fixed through the side plate baffle 2 and the fastening baffle 3, ensuring the stability of the glass substrate during scribing and dividing. Moreover, the split structure of the side plate baffle 2 and the fastening baffle 3 can disassemble the fastening baffle 3 when placing the glass substrate to avoid obstruction.
[0028] Place the glass sample of the thin-film transistor liquid crystal display on the marble platform and fix the glass sample with a movable baffle. Horizontally use the blade scribing device to scribe a marking line on the glass sample and record the value on the scale. Vertically use the glass cutter scribing device to divide the glass sample into two parts, and the heat shrinkage test sample is then prepared.
[0029] The above has described in detail an embodiment of the present invention, but the content described is only the preferred embodiment of the present invention and cannot be considered as being used to limit the scope of implementation of the present invention. All equivalent changes and improvements made according to the scope of application of the present invention should still fall within the scope covered by the patent of the present invention.
Claims
1. A sample preparation device for detecting the thermal shrinkage of a glass substrate, comprising a loading platform (1); characterized in that: Side plates and baffles (2) are arranged on the side of the tabletop of the loading platform (1). A first support frame (4) and a second support frame (5) are slidably arranged on one side of the side plates and baffles (2). Both the first support frame (4) and the second support frame (5) are longitudinally distributed in an L shape. The length of the second support frame (5) is half of that of the first support frame (4). A limit sliding groove (6) is penetrated and opened at the top of the first support frame (4). A limit sliding block (7) is slidably arranged inside the limit sliding groove (6). Telescopic components are arranged on both the second support frame (5) and the limit sliding block (7). Among them, the telescopic component includes a guiding lifting rod (8) slidably arranged on the second support frame (5) and the limit sliding block (7), a pressing block (9) arranged at the top end of the guiding lifting rod (8), a tool holder (10) arranged at the bottom end of the guiding lifting rod (8), and a traction spring (11) sleeved outside the guiding lifting rod (8).
2. The sample preparation device for detecting the thermal shrinkage of a glass substrate according to claim 1, characterized in that, The telescopic component arranged on the second support frame (5) is used for assembling a glass cutter for dividing the glass substrate, and the telescopic component arranged on the limit sliding block (7) is used for assembling a blade for scribing marks on the glass substrate.
3. The glass substrate thermal shrinkage detection sample preparation device according to claim 1, wherein Scale lines are arranged on the top of the side plates and baffles (2), and the scale lines are horizontally distributed. A fastening baffle (3) matching the side plates and baffles (2) is movably arranged on the side of the tabletop of the loading platform (1). The side plates and baffles (2) and the fastening baffle (3) are connected end to end and surround the periphery of the tabletop of the loading platform (1). Fixing grooves (12) are opened at both ends of the side plates and baffles (2), and magnetic blocks are arranged inside the fixing grooves (12).
4. A glass substrate thermal shrinkage detection sample preparation device according to claim 3, characterized in that, Insertion posts (13) matching the fixing grooves (12) are arranged at both ends of the fastening baffle (3), and the insertion posts (13) are made of magnetic adsorption material.
5. The sample preparation device for detecting the thermal shrinkage of a glass substrate according to claim 1, wherein, An adjustment sliding groove (14) for sliding the first support frame (4) and the second support frame (5) is opened on one side of the side plates and baffles (2). Fixed seats (15) matching the adjustment sliding groove (14) are arranged at the bottoms of the first support frame (4) and the second support frame (5).
6. The glass substrate thermal shrinkage detection sample preparation device according to claim 5, characterized in that, Positioning bolts (16) and fixing nuts (17) for fixedly connecting with the side plates and baffles (2) are arranged on the fixed seats (15).