Micro-point extrusion device for light guide plate
By introducing roller assembly and heating components into the micro-dot extrusion device for light guide plates, the problem of uneven forming temperature of light guide plates was solved, achieving temperature uniformity and impurity removal, reducing the defect rate, and improving the quality and efficiency of micro-dot processing.
Patent Information
- Application Number
- CN202423302778.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing light guide plate extruders are prone to uneven temperature during the molding process due to uneven heating of the fixed rollers, which affects micro-dot processing and increases product defect rate and cost.
The system employs a roller assembly and a heating component. The roller assembly is heated evenly by the heating module to ensure uniform temperature during the light guide plate forming process. Additionally, a cleaning component is used to remove impurities from the surface of the fixed rollers to prevent them from affecting the forming effect.
This improved the uniformity of the light guide plate forming temperature, reduced the product defect rate, and ensured the quality and efficiency of micro-dot processing.
Smart Images
Figure CN223821053U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to light guide plate micro -point extrusion technical field, concretely is light guide plate micro -point extrusion device. BACKGROUND
[0002] The extruder is a kind of processing equipment that can make material plasticize and mix uniformly by the pressure and shear force generated by screw rotation, and the light guide plate is an optical plate for reflecting light source, which is made of high-tech material with extremely high reflectivity and no light absorption, and the surface of the light guide plate is provided with microstructure, when light is incident on each light guide point of the microstructure on the light guide plate, the reflected light is evenly diffused to each angle, and finally emitted from the front of the light guide plate to illuminate the area position of the light guide plate.
[0003] The existing extruder of light guide plate is prone to uneven product temperature due to uneven heating of the fixed roller during extrusion molding, which further affects the subsequent micro-point processing and increases the product failure rate and cost.
[0004] Therefore, it is necessary to provide a light guide plate micro-point extrusion device to solve the above problems UTILITY MODEL CONTENTS
[0005] The utility model discloses a light guide plate micro-point extrusion device, which can improve the uniformity of the temperature of the light guide plate after molding to solve the problems in the background art.
[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a light guide plate micro-point extrusion device, comprising an extruder, a roller set, a heating assembly and a cleaning assembly, the roller set is arranged below the extruder, the heating assembly is fixed on the roller set, the cleaning assembly is fixed on the side of the heating assembly, the extruder is used for extruding the light guide plate, the roller set is used for conveying the light guide plate and forming micro-points by hot pressing, the heating assembly is used for heating part of the roller set to improve the uniformity of the temperature of the light guide plate after molding, and the cleaning assembly is used for cleaning part of the roller set.
[0007] The heating assembly comprises a support frame one, and a heating frame is fixedly connected to the support frame one, and a plurality of heating modules are fixedly connected in the heating frame.
[0008] According to the above technical scheme, the roller set comprises a frame, and an auxiliary roller, a fixed roller one, a hot pressing roller, a fixed roller two and a fixed roller three are sequentially connected to the frame from left to right by bearings, and the light guide plate after molding can be conveyed.
[0009] According to the above technical scheme, the hot pressing roller is provided with a plurality of convex points on the surface, and the micro-points can be formed on the light guide plate with uniform temperature.
[0010] According to the above technical scheme, the outlet of the extruder is located directly above the auxiliary roller and the fixed roller one.
[0011] According to the above technical scheme, the support frame one is fixedly connected with the frame, and the support frame one is arranged above the fixed roller one.
[0012] According to the above technical scheme, the cleaning assembly comprises the support frame two and a plurality of cutters, the support frame two is fixed to the side of the support frame one, the support frame two is hingedly connected with the cutter, the cutter is Y-shaped, a plurality of pressure sensors are fixedly connected to the side of the heating frame, the cutter can clean the surface of the fixed roller one, and the forming effect of the light guide plate is avoided from being affected by impurities on the surface of the fixed roller one.
[0013] According to the above technical scheme, the number of the pressure sensors is consistent with that of the cutters, the pressure sensors are located between Y-shaped openings of the cutters, the pressure values obtained by the cutters pressing the pressure sensors are acquired, and then the fixed roller one is cleaned by the staff in a targeted manner.
[0014] Compared with the prior art, the utility model discloses the following beneficial effects: the utility model discloses by setting up by gyro wheel group and heating component, can on the basis that the temperature of the light guide plate that forms is uniform, completes the processing of the light guide plate surface micro point;
[0015] By setting up by cleaning assembly, the surface of the fixed roller one can be cleaned, and when the impurities on the surface of the fixed roller one are difficult to clean due to large viscosity or hardness, the pressure sensor is pressed, and the staff cleans in a timely and targeted manner according to the detected pressure value, which is further favorable for reducing the defective rate of products. BRIEF DESCRIPTION OF DRAWINGS
[0016] The drawings are used to provide a further understanding of the utility model and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.
[0017] Figure 1 It is the overall structure schematic view of the utility model;
[0018] Figure 2 It is the main view structure cross section schematic view of the utility model;
[0019] Figure 3 It is the hot rolling roller structure schematic view of the utility model;
[0020] Figure 4 It is the heating component overhead schematic view of the utility model;
[0021] Figure 5 It is the Figure 2 A region amplification structure schematic view of the utility model;
[0022] Fig. 1, extruder;
[0023] 2, roller group; 21, frame; 22, auxiliary roller; 23, fixed roller one; 24, hot pressing roller; 25, fixed roller two; 26, fixed roller three;
[0024] 3, heating assembly; 31, support frame one; 32, heating frame; 33, heating module;
[0025] 4, cleaning assembly; 41, support frame two; 42, cutter; 43, pressure sensor. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0027] Please refer to Figures 1-5 The utility model provides technical schemes: light guide plate micro point extrusion device, including extruder 1, roller group 2, heating assembly 3 and cleaning assembly 4, roller group 2 sets up below extruder 1, heating assembly 3 is fixed on roller group 2, cleaning assembly 4 is fixed on the side of heating assembly 3, extruder 1 is used for extruding light guide plate, roller group 2 is used for conveying light guide plate and hot pressing and forms micro point, heating assembly 3 is used for heating part roller group 2, improves the uniformity of light guide plate temperature after forming, cleaning assembly 4 is used for cleaning part roller group 2.
[0028] Please refer to Figures 1-3 Roller group 2 includes frame 21, and auxiliary roller 22, fixed roller one 23, hot pressing roller 24, fixed roller two 25 and fixed roller three 26 are sequentially connected in bearing from left to right on frame 21, and a plurality of convex points are arranged on the surface of hot pressing roller 24.
[0029] The outlet of extruder 1 is located directly above between auxiliary roller 22 and fixed roller one 23, after extruding by extruder 1, after the start of roller group 2, the formed light guide plate sequentially passes between auxiliary roller 22 and fixed roller one 23, between fixed roller one 23 and hot pressing roller 24, above fixed roller two 25 and above fixed roller three 26, at this time, hot pressing roller 24 is pressed on the surface of light guide plate, so that a plurality of micro points are formed on the surface of light guide plate.
[0030] It should be noted that the rotating directions of auxiliary roller 22 and fixed roller one 23 are opposite, and the rotating directions of hot pressing roller 24, fixed roller two 25, fixed roller three 26 and fixed roller one 23 are consistent.
[0031] Please refer to Figure 2 And Figure 4The heating assembly 3 comprises a support frame 31 fixedly connected with the frame 21, the support frame 31 is arranged above the fixed roller 23, the support frame 31 is fixedly connected with a heating frame 32, a plurality of heating modules 33 are fixedly connected in the heating frame 32, the heating module 33 preferably adopts an electric heating wire, when part of the heating modules 33 are heated, heat is transmitted to the fixed roller 23 in a heat radiation mode, so that the temperature of the fixed roller 23 is increased, and then the heat is transmitted to the formed light guide plate in a contact mode, so that the temperature is uniform when the light guide plate is hot-pressed by the hot-pressing roller 24, and the foundation for forming uniform micro points is laid.
[0032] It should be noted that the heating frame 32 is made of a heat preservation material; the plurality of heating modules 33 are individually controlled, and can be controlled to be turned on and adjusted in temperature according to needs.
[0033] Please refer to Figure 2 and Figure 5 The cleaning assembly 4 comprises a support frame 41 and a plurality of cutters 42, the support frame 41 is fixed to the side of the support frame 31, the support frame 41 is hingedly connected with the cutter 42, the cutter 42 is Y-shaped, a plurality of pressure sensors 43 are fixedly connected to the side of the heating frame 32, the number of the pressure sensors 43 is consistent with that of the cutter 42, a dust suction device is arranged above the cutter 42, the pressure sensor 43 is located between the Y-shaped openings of the cutter 42, the bottom of the cutter 42 is close to the fixed roller 23, when there is impurity on the surface of the fixed roller 23, the cutter 42 can remove the impurity, the dust suction device sucks and removes the cleaned impurity, when the impurity is too large, the cutter 42 is stopped by the impurity, at this time, the cutter 42 rotates clockwise, and the left end opening of the cutter 42 can press the pressure sensor 43 below; when the hardness of the impurity is large, the cutter 42 cannot clean and remove the impurity, and passes through the surface of the impurity, at this time, the cutter 42 rotates counterclockwise first, and the pressure sensor 43 above the right end opening of the cutter 42 is pressed, so that the worker can judge the viscosity and size of the impurity according to the detected pressure value, and the fixed roller 23 can be cleaned in time and targeted.
[0034] Working principle: after being extruded by the extruder 1, the roller set 2 starts to convey the light guide plate, the worker adjusts the number of the heating modules 33 turned on and the heating temperature of the heating assembly 3 according to the micro point situation formed on the surface of the light guide plate, heats the fixed roller 23, and then transmits the heat to the formed light guide plate in a contact mode, so that the temperature is uniform when the subsequent light guide plate is hot-pressed by the hot-pressing roller 24, which is beneficial to form uniform micro points, and at the same time, the cutter 42 cleans the surface of the fixed roller 23, when the pressure sensor 43 detects a large pressure value, the worker can clean the surface of the fixed roller 23 in time, which is more beneficial to reduce the defective rate of the product.
[0035] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0036] Finally, it should be noted that the above-described embodiments are merely possible embodiments of the present application, and thus are not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can still be modified or equivalent replaced by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A light guide plate micro-dot extrusion device, comprising an extruder (1), a roller assembly (2), a heating assembly (3), and a cleaning assembly (4), characterized in that, The roller assembly (2) is located below the extruder (1), the heating component (3) is fixed on the roller assembly (2), and the cleaning component (4) is fixed on the side of the heating component (3). The extruder (1) is used to extrude and form a light guide plate. The roller assembly (2) is used to convey the light guide plate and hot press it to form micro dots. The heating component (3) is used to heat part of the roller assembly (2) to improve the uniformity of the temperature of the light guide plate after forming. The cleaning component (4) is used to clean part of the roller assembly (2). The heating component (3) includes a support frame (31), a heating frame (32) is fixedly connected to the support frame (31), and a plurality of heating modules (33) are fixedly connected inside the heating frame (32).
2. The light guide plate micro-dot extrusion device according to claim 1, characterized in that: The roller assembly (2) includes a frame (21), on which, from left to right, are a bearing connected an auxiliary roller (22), a first fixed roller (23), a hot press roller (24), a second fixed roller (25), and a third fixed roller (26).
3. The light guide plate micro-dot extrusion device according to claim 2, characterized in that: The surface of the hot press roller (24) is provided with several protrusions.
4. The light guide plate micro-dot extrusion device according to claim 3, characterized in that: The outlet of the extruder (1) is located directly above the auxiliary roller (22) and the fixed roller (23).
5. The light guide plate micro-dot extrusion device according to claim 4, characterized in that: The support frame (31) is fixedly connected to the frame (21), and the support frame (31) is positioned above the fixed roller (23).
6. The light guide plate micro-dot extrusion device according to claim 5, characterized in that: The cleaning assembly (4) includes a second support frame (41) and several blades (42). The second support frame (41) is fixed to the side of the first support frame (31). The second support frame (41) is hinged to the blades (42). The blades (42) are Y-shaped. Several pressure sensors (43) are fixedly connected to the side of the heating frame (32).
7. The light guide plate micro-dot extrusion device according to claim 6, characterized in that: The number of pressure sensors (43) is the same as the number of cutting tools (42), and the pressure sensors (43) are located between the Y-shaped openings of the cutting tools (42).