Compensation prepressing module
By combining the XYZ axis mechanism with the θ axis module, high-speed dynamic precision compensation is achieved, solving the problem of insufficient precision in traditional pre-pressing modules. This improves the production efficiency and quality of medium and large-size OLED/LCD/LED displays, and offers strong adaptability and high equipment stability.
Patent Information
- Application Number
- CN202520388915.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-05
AI Technical Summary
In existing technologies, the structural precision of traditional pre-pressing modules is insufficient, which cannot meet the high requirements of large-size displays in OLED/LCD/LED, resulting in low production yield and inability to meet market demands.
The compensation preload module, which combines the XYZ axis mechanism with the θ axis module, achieves high-speed dynamic precision compensation and accurately controls the movement of the preload head through the feedback encoder of the XYZ axis mechanism and the reducer of the θ axis module.
It significantly improves production efficiency and product quality, reduces alignment deviation, increases the production yield of screen modules, adapts to the pre-pressing requirements of screens of different sizes, and enhances the stability and reliability of the equipment.
Smart Images

Figure CN223859613U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of OLED / LCD / LED screen processing technology, and more specifically to a compensation preload module. Background Technology
[0002] In the flat panel display industry, the pre-pressing process is an important step in the module bonding production process. The precision of pre-pressing directly affects the yield of screen module production. With the popularization of OLED products, OLED is gradually being applied to medium and large-sized displays such as TV screens and automotive screens. In addition to the large size of the products, the bonding process of medium and large-sized displays has increasingly higher requirements for pre-pressing. The previous structural precision can no longer meet the current needs.
[0003] As a core step in module bonding production, the pre-pressing process directly determines the production yield of screen modules. With the widespread application of OLED / LCD / LED products in medium and large-size displays such as TV screens and automotive screens, these products are not only larger in size, but their bonding processes also place increasingly stringent requirements on pre-pressing. The structural precision of traditional pre-pressing modules can no longer meet current demands, urgently requiring a new type of pre-pressing module capable of high-speed dynamic precision compensation to fill the industry gap and improve product quality and production efficiency. Utility Model Content
[0004] This utility model is dedicated to the development of a compensation pre-pressure module, which aims to solve the problem that the existing technology cannot meet the high requirements of pre-pressure for screen products in medium and large-size display applications due to insufficient structural precision, thereby adapting to market demand and significantly improving the production yield of screen modules.
[0005] To solve the above technical problems, this utility model provides the following solution: A compensation preload module of this utility model includes:
[0006] The XYZ axis mechanism is equipped with feedback encoders in both the X and Y axes.
[0007] A movable component that is driven and connected to the XYZ axis mechanism and is driven by the XYZ axis mechanism to move along the XYZ axis;
[0008] The θ-axis module is installed on the movable part. The θ-axis module has an θ-axis power source and a reducer that is driven and connected to the θ-axis power source through a transmission mechanism. The movable part is equipped with an θ-axis circular arc feedback encoder to sense the angle of rotation driven by the θ-axis module.
[0009] A lifting module is connected to the reducer and driven to the output end of the reducer, and the lifting module is driven to have a preload head.
[0010] Furthermore, the XYZ axis mechanism includes:
[0011] The X-axis mechanism has an X-axis power source and an X-axis transmission mechanism that is driven and connected to the X-axis power source. The X-axis transmission mechanism is provided with an X-axis movable part.
[0012] A Y-axis mechanism is installed on the X-axis movable part. The Y-axis mechanism has a Y-axis power source and a Y-axis transmission mechanism that is driven and connected to the Y-axis power source. The Y-axis transmission mechanism is provided with a Y-axis movable part.
[0013] The Z-axis mechanism is installed on the Y-axis movable part. The Z-axis mechanism has a Z-axis power source and a Z-axis transmission mechanism that is driven and connected to the Z-axis power source. The movable part is provided on the Z-axis transmission mechanism.
[0014] Furthermore, the X-axis power source is an X-axis motor, and the X-axis transmission mechanism is a first lead screw module;
[0015] The X-axis motor is driven by a first lead screw module arranged along the X-axis and connected to the X-axis movable part, which slides on the X-axis guide rail.
[0016] Furthermore, the Y-axis power source is a Y-axis motor, and the Y-axis transmission mechanism is a second lead screw module;
[0017] The Y-axis motor is driven by a second lead screw module arranged along the Y-axis and connected to the Y-axis movable part, which slides on the Y-axis guide rail.
[0018] Furthermore, a Z-axis mounting plate is provided on the side of the Y-axis movable part, the Z-axis mechanism is mounted on the Z-axis mounting plate, the Z-axis power source is a Z-axis motor, and the Z-axis transmission mechanism is a third lead screw module;
[0019] The Z-axis motor drives the moving part through a third lead screw module set along the Z-axis.
[0020] Furthermore, the θ-axis power source of the θ-axis module is an θ-axis motor, which is mounted on the movable component and drives the reducer, which is also mounted on the movable component.
[0021] Furthermore, the lifting module includes:
[0022] A cylinder seat plate is connected to and driven by a reducer to perform circular motion. Both adjacent sides of the cylinder seat plate are provided with Z-axis guide rails.
[0023] A cylinder, fixed to the upper end of the cylinder seat plate;
[0024] The preload head bracket is slidably connected to the Z-axis guide rails on both sides by a slider. The preload head bracket is connected to the drive shaft of the cylinder, and the preload head is detachably installed at the lower end of the preload head bracket.
[0025] Compared with the prior art, the beneficial effects of this utility model are:
[0026] 1. The application of this novel compensation preload module in production significantly improves production efficiency: Through the high-speed dynamic precision compensation function of the XYZ axis mechanism + θ axis module, preload alignment can be completed quickly and accurately in a short time. Compared with traditional preload modules, it shortens the preload time of a single product, thereby improving overall production efficiency and meeting the needs of large-scale production.
[0027] 2. The application of this utility model's compensation pre-pressing module in production improves product quality and yield: precise high-speed dynamic accuracy compensation effectively reduces alignment deviations during the pre-pressing process, enabling materials such as COF, FPC, and IC to fit more accurately during pre-pressing. This reduces the product defect rate caused by insufficient pre-pressing accuracy, improves the product quality of screen modules, and brings higher economic benefits to enterprises.
[0028] 3. The compensating preload module of this utility model has strong adaptability: This compensating preload module is suitable for the production of OLED / LCD / LED full-size screen modules. Whether it is a small-sized mobile phone screen or a large-sized TV screen, automotive screen, etc., it can adapt to the preload alignment requirements of different-sized products with its high-speed dynamic precision compensation function, thus broadening the application range of the products and enhancing the competitiveness of enterprises in the market.
[0029] 4. This utility model's compensation preload module boasts high stability and reliability: The motors, lead screws, linear guides, and high-precision feedback encoders used on each axis construct a stable and reliable motion and feedback system. During long-term production, it can maintain a high-precision operating state, reducing the frequency of equipment failures, lowering maintenance costs, and ensuring the continuity and stability of production. Attached Figure Description
[0030] Figure 1 This is a structural diagram of the compensation preload module of this utility model.
[0031] Figure 2 for Figure 1 Enlarged view of part A.
[0032] The attached diagram shows the following components: X-axis motor 1, lead screw seat 2, first lead screw module 3, cylinder 4, reducer 5, circular arc feedback encoder 6, θ-axis motor 7, moving part 8, Y-axis moving part 10, guide rail seat plate 11, second lead screw module 12, Y-axis motor 13, Y-axis guide rail 14, Y-axis feedback encoder 15, X-axis guide rail 16, X-axis moving part 17, Z-axis mounting plate 18, Z-axis motor 19, preload head 20, and X-axis feedback encoder 21. Detailed Implementation
[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model. Obviously, the embodiments described in this utility model are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0034] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.
[0035] Example 1: The specific structure of this utility model is as follows:
[0036] Please refer to the appendix. Figure 1-2 This utility model discloses a preload compensation module, comprising an XYZ axis mechanism, a movable component 8, a θ-axis module, and a lifting module. The XYZ axis mechanism is equipped with feedback encoders along both the X and Y axes. The movable component 8 is driven by and connected to the XYZ axis mechanism, moving along the XYZ axes. The θ-axis module is mounted on the movable component 8 and includes an θ-axis power source and a reducer 5 driven by and connected to the θ-axis power source via a transmission mechanism. The movable component 8 is equipped with an θ-axis circular arc feedback encoder 6 to sense the rotation angle of the θ-axis module. The lifting module is side-connected to the reducer 5 and driven by its output end. A preload head 20 is drivenly connected to the lifting module.
[0037] The XYZ axis mechanism includes:
[0038] The X-axis mechanism has an X-axis power source and an X-axis transmission mechanism that is driven and connected to the X-axis power source. The X-axis transmission mechanism is provided with an X-axis movable part 17.
[0039] The Y-axis mechanism is installed on the X-axis movable part 17. The Y-axis mechanism has a Y-axis power source and a Y-axis transmission mechanism that is driven and connected to the Y-axis power source. The Y-axis transmission mechanism is provided with a Y-axis movable part 10.
[0040] The Z-axis mechanism is installed on the Y-axis movable part 10. The Z-axis mechanism has a Z-axis power source and a Z-axis transmission mechanism that is driven and connected to the Z-axis power source. The movable part 8 is provided on the Z-axis transmission mechanism.
[0041] The X-axis power source is an X-axis motor 1, and the X-axis transmission mechanism is a first lead screw module 3; the first lead screw module 3 is installed inside the lead screw base 2, and the X-axis motor 1 is a servo motor, which is installed at one end of the lead screw base 2. An X-axis grating ruler is provided on one of the outer surfaces of the lead screw base 2.
[0042] The X-axis motor 1 is driven by the first lead screw module 3 set in the X-axis direction and connected to the X-axis movable part 17. The side of the X-axis movable part 17 is provided with an X-axis feedback encoder 21 that can sense the position of the X-axis grating ruler.
[0043] The X-axis movable part 17 is slidably connected to the X-axis guide rail 16, which is a double-row guide rail located on both sides of the first lead screw module 3. The X-axis movable part 17 includes a U-shaped frame and a guide rail base plate 11 mounted on the U-shaped frame. A Y-axis grating ruler is provided on the Y-axis side of the guide rail base plate 11.
[0044] The Y-axis power source is a Y-axis motor 13, and the Y-axis transmission mechanism is a second lead screw module 12. The Y-axis motor 13 is a servo motor, which is driven and connected to the Y-axis movable part 10 through the second lead screw module 12 arranged along the Y-axis. The Y-axis movable part 10 is slidably connected to the Y-axis guide rail 14. A Y-axis feedback encoder 15 capable of sensing the position of the Y-axis grating ruler is provided on the side of the Y-axis movable part 10.
[0045] A Z-axis mounting plate 18 is provided on the side of the Y-axis movable part 10. The Z-axis mechanism is mounted on the Z-axis mounting plate 18, and its Z-axis power source is a Z-axis motor 19, which is a servo motor. The Z-axis transmission mechanism is a third lead screw module. The Z-axis motor 19 drives the movable part 8 through the Z-axis-oriented third lead screw module. After being driven, the movable part 8 moves along the Z-axis, and a displacement sensor is provided between it and the Z-axis mounting plate 18.
[0046] The θ-axis power source of the θ-axis module is the θ-axis motor 7, which is mounted on the movable part 8 and drives the reducer 5, which is also mounted on the movable part 8.
[0047] The lifting module includes:
[0048] A cylinder seat plate is connected to and driven by the reducer 5 to make circular motion. The cylinder seat plate has Z-axis guide rails on both adjacent sides.
[0049] Cylinder 4 is fixed to the upper end of the cylinder seat plate;
[0050] The preload head bracket is slidably connected to the Z-axis guide rails on both sides by a slider. The preload head bracket is connected to the drive shaft of the cylinder 4. The preload head 2θ is detachably installed at the lower end of the preload head bracket.
[0051] In summary, the application of this novel compensation pre-pressing module in production significantly improves production efficiency: Through the high-speed dynamic precision compensation function of the XYZ axis mechanism + θ axis module, pre-pressing alignment can be completed quickly and accurately within a short time. Compared to traditional pre-pressing modules, it shortens the pre-pressing time for individual products, thereby improving overall production efficiency and meeting the needs of large-scale production. The application of this novel compensation pre-pressing module in production also improves product quality and yield: Precise high-speed dynamic precision compensation effectively reduces alignment deviations during the pre-pressing process, allowing materials such as COF, FPC, and IC to adhere more accurately during pre-pressing, reducing product defect rates caused by insufficient pre-pressing precision, improving the product quality of screen modules, and bringing higher economic benefits to enterprises. This novel compensation pre-pressing module has strong adaptability: It is suitable for the production of OLED / LCD / LED full-size screen modules. Whether it's small-sized mobile phone screens or large-sized TV screens and automotive screens, its high-speed dynamic precision compensation function can adapt to the pre-pressing alignment requirements of products of different sizes, broadening the application range of products and enhancing the enterprise's competitiveness in the market. This utility model's compensation preload module boasts high stability and reliability: the motors, lead screws, linear guides, and high-precision feedback encoders used in each axis construct a stable and reliable motion and feedback system. During long-term production, it can maintain a high-precision operating state, reducing the frequency of equipment failures, lowering maintenance costs, and ensuring the continuity and stability of production.
[0052] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural or procedural transformations made based on the contents of the present utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present utility model.
Claims
1. A preloading module, characterized by The application relates to a XYZ-axis mechanism, which comprises the following components: an XYZ-axis mechanism, which is provided with feedback encoders in X-axis and Y-axis directions; a movable element (8) driven by the XYZ-axis mechanism; a theta-axis module installed on the movable element (8), wherein the theta-axis module is provided with a theta-axis power source and a speed reducer (5) driven by the theta-axis power source through a transmission mechanism, and the movable element (8) is provided with a theta-axis arc feedback encoder (6) for sensing the angle of rotation of the theta-axis module; a lifting module connected to the output end of the speed reducer (5) and driven by the speed reducer (5), wherein the lifting module is provided with a pre-pressing head (20).
2. The preloading compensation module according to claim 1, wherein, The XYZ-axis mechanism comprises: an X-axis mechanism provided with an X-axis power source and an X-axis transmission mechanism driven by the X-axis power source, wherein the X-axis transmission mechanism is provided with an X-axis movable part (17); a Y-axis mechanism installed on the X-axis movable part (17), wherein the Y-axis mechanism is provided with a Y-axis power source and a Y-axis transmission mechanism driven by the Y-axis power source, and the Y-axis transmission mechanism is provided with a Y-axis movable part (10); a Z-axis mechanism installed on the Y-axis movable part (10), wherein the Z-axis mechanism is provided with a Z-axis power source and a Z-axis transmission mechanism driven by the Z-axis power source, and the Z-axis transmission mechanism is provided with the movable element (8).
3. A pre-load compensation module according to claim 2, wherein, The X-axis power source is an X-axis motor (1), and the X-axis transmission mechanism is a first screw rod module (3). The X-axis motor (1) is connected to the X-axis movable part (17) through the first screw rod module (3) arranged in the X-axis direction, and the X-axis movable part (17) is slidably connected to an X-axis guide rail (16).
4. The preloading compensation module according to claim 2, wherein, The Y-axis power source is a Y-axis motor (13), and the Y-axis transmission mechanism is a second screw rod module (12). The Y-axis motor (13) is connected to the Y-axis movable part (10) through the second screw rod module (12) arranged in the Y-axis direction, and the Y-axis movable part (10) is slidably connected to a Y-axis guide rail (14).
5. The preloading compensation module of claim 2, wherein, The Y-axis movable part (10) is provided with a Z-axis mounting plate (18) on one side, the Z-axis mechanism is installed on the Z-axis mounting plate (18), the Z-axis power source is a Z-axis motor (19), and the Z-axis transmission mechanism is a third screw rod module. The Z-axis motor (19) is connected to the movable element (8) through the third screw rod module arranged in the Z-axis direction.
6. The preloading compensation module of claim 1, wherein, The theta-axis power source of the theta-axis module is a theta-axis motor (7), which is installed on the movable element (8) and connected to the speed reducer (5), and the speed reducer (5) is installed on the movable element (8).
7. The preloading compensation module of claim 1, wherein, The lifting module comprises: a cylinder seat plate connected to the speed reducer (5) and driven by the speed reducer (5) to rotate in a circular direction, wherein two adjacent sides of the cylinder seat plate are provided with Z-axis guide rails; a cylinder (4) fixed to the upper end of the cylinder seat plate; a pre-pressing head support slidably connected to the Z-axis guide rails, wherein the pre-pressing head support is connected to the driving shaft of the cylinder (4), and the pre-pressing head (20) is detachably installed on the lower end of the pre-pressing head support.