Adsorption jig for polaroid
By designing a polarizer adsorption fixture, multi-angle adsorption and rotation functions were achieved, solving the problem of low imaging accuracy in polarizer detection equipment and improving the recognition accuracy and imaging stability of Mark points.
Patent Information
- Application Number
- CN202423230611.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing polarizer inspection equipment has low imaging accuracy on conveyor belts and cannot effectively identify the mark points on the polarizer material, resulting in inaccurate rejection of NG products.
A polarizer adsorption fixture was designed, comprising a mounting plate, fixture frame, adsorption fixture and rotary motor. Through multi-angle adsorption and rotation functions, it ensures accurate positioning and imaging of the Mark point.
It improves the accuracy and stability of polarizer imaging, solves the problems of polarizer warping and offset during high-speed movement, and ensures accurate imaging of Mark points.
Smart Images
Figure CN223558298U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to polarizing plate detection technical field especially a kind of polarizing plate's adsorption fixture. BACKGROUND
[0002] Mark point, also known as reference point or optical positioning point, is the positioning point when using patch machine, they provide common measurable point for all steps in assembly process, ensure that each device used in assembly can accurately position circuit pattern. In polarizing plate production, Mark point helps accurate positioning and identification of automatic equipment. The Mark point of polarizing plate and sheet material edge will present multiple angles, and will appear in the middle and edge periphery of sheet material;When detecting, the angle of sheet material needs to be aligned with camera, and sheet material is adsorbed flat, deviation needs to be prevented in movement process.
[0003] The existing polarizing plate detection equipment images polarizing plate on belt line, due to the existence of sheet material shaking in conveying process of belt line, the imaging accuracy is low, defect identification cannot be carried out on sheet material with Mark point, only sheet material with Mark point is rejected as NG product. SUMMARY
[0004] The technical problem to be solved by the utility model is: in order to solve the problems existing in the prior art in the above background, provide a kind of polarizing plate's adsorption fixture.
[0005] The technical scheme that the utility model solves its technical problem is: a kind of polarizing plate's adsorption fixture, including mounting plate, jig frame, adsorption fixture and rotating electrical machine, the bottom surface of rotating electrical machine is connected in mounting plate, its output shaft is connected with the bottom of jig frame by passing through mounting plate, the jig frame has jig support plate, the cross section of jig support plate is octagon, all interior angles of the octagon are 135 °, adsorption fixture is installed in the middle position of jig support plate, the first adsorption fixture and the second adsorption fixture with the cross section being square are included in adsorption fixture, the length of second adsorption fixture is less than the length of first adsorption fixture, and the distance between second adsorption fixture and first adsorption fixture is less than the length of second adsorption fixture.
[0006] Further, square through holes are formed in the middle of the first adsorption fixture, first mounting edges are formed on both sides of the first adsorption fixture, first interfaces connected with negative pressure pipes are formed on both end faces of the first adsorption fixture, and adsorption holes are uniformly formed on the surface of the first adsorption fixture.
[0007] Further, square through holes are formed in the middle of the second adsorption fixture, second mounting edges are formed on both sides of the second adsorption fixture, second interfaces connected with negative pressure pipes are formed on both end faces of the second adsorption fixture, and adsorption holes are uniformly formed on the surface of the second adsorption fixture.
[0008] Further, the jig support plate is provided with installation holes for the first and second suction jigs, and the lower part of each installation hole is connected with a cover plate, and the cover plates are provided with a gap to form a wiring groove.
[0009] Further, the back of the jig support plate is provided with distribution grooves for negative pressure pipes to form a plurality of suction areas, and the suction areas are provided with suction holes and bottom covers.
[0010] Further, the bottom cover is connected with a joint connected with the negative pressure pipe.
[0011] Further, one side of the installation plate is connected with a support frame provided with a negative pressure display table.
[0012] Further, the jig frame comprises a bottom plate and four support columns on the bottom plate, and the upper ends of the four support columns are connected with the jig support plate.
[0013] The utility model has the advantages of:
[0014] (1) the utility model classifies the angle of the Mark point on the polaroid, simulates different angles, and divides the jig support plate into a plurality of suction areas, thereby solving the suction problem when the same jig piece is placed at multiple angles;
[0015] (2) the first and second suction jigs are provided to suck the imaging position, thereby ensuring the flatness of the imaging position and solving the problem of unstable Mark imaging caused by the warping of the polaroid piece;
[0016] (3) the fan provides overall suction force, thereby solving the problem of deviation when the piece moves at high speed;
[0017] (4) the rotary motor is arranged under the jig frame to rotate the piece, so that the Mark point is rotated to the imaging position, thereby solving the imaging problem of the edge Mark point and the middle Mark point of the piece. BRIEF DESCRIPTION OF DRAWINGS
[0018] The utility model will be further described in combination with the drawings and examples.
[0019] Figure 1 is a structural schematic view of the utility model.
[0020] Figure 2 is a structural schematic view of the utility model in another direction.
[0021] Figure 3 is a rear view of Figure 1 .
[0022] Figure 4 yes Figure 1 The right view.
[0023] Figure 5 This is a schematic diagram of the structure of the first adsorption fixture in this utility model.
[0024] Figure 6 This is a schematic diagram of the structure of the second adsorption fixture in this utility model.
[0025] Figure 7 This is a schematic diagram of the structure of the back of the fixture support plate in this utility model.
[0026] Figure 8 This is a schematic diagram of the structure of the polarizer used to detect the Mark points at the four corners of the present invention.
[0027] Figure 9 This is a schematic diagram of the structure of the polarizer at multiple angles at the four corners for detecting Mark points according to this utility model.
[0028] Figure 10 This is a schematic diagram of the structure of the polarizer that detects the Mark point in the middle according to this utility model.
[0029] Figure 11 This is a schematic diagram of the structure of the polarizer at multiple angles for detecting the Mark point in the middle according to this utility model.
[0030] In the diagram: 1. Mounting plate; 11. Support frame; 2. Fixture frame; 201. Base plate; 202. Support column; 21. Fixture support plate; 211. Mounting hole; 212. Adsorption area; 22. Cover plate; 23. Cable tray; 24. Bottom cover; 3. Adsorption fixture; 31. First adsorption fixture; 311. First mounting edge; 312. First interface; 32. Second adsorption fixture; 321. Second mounting edge; 322. Second interface; 4. Rotary motor; 5. Negative pressure display. Detailed Implementation
[0031] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.
[0032] like Figures 1-4As shown in the figure, a kind of polarizer adsorption jig, including mounting plate 1, jig frame 2, adsorption jig 3 and rotary motor 4, rotary motor 4 is connected at the bottom of mounting plate 1, its output shaft passes through mounting plate 1 and is connected with the bottom of jig frame 2, jig frame 2 has jig support plate 21, the cross section of jig support plate 21 is octagon, all interior angles of the octagon are 135 °, adsorption jig 3 is installed at the middle position of jig support plate 21, adsorption jig 3 includes first adsorption jig 31 and second adsorption jig 32, the cross section of first adsorption jig 31 and second adsorption jig 32 is square, the length of second adsorption jig 32 is less than the length of first adsorption jig 31, and the distance between second adsorption jig 32 and first adsorption jig 31 is less than the length of second adsorption jig 31. One side of mounting plate 1 is connected with support frame 11, and negative pressure display table 5 is arranged on support frame 11. Jig frame 2 includes bottom plate 201 and four support columns 202 on bottom plate 201, the upper end of four support columns 202 is connected with jig support plate 21.
[0033] Through a large number of experiments, it is found that jig support plate 21 is set to the above structure, so that any angle of polarizer can be adsorbed by adsorption jig 3, and then the jig frame 2 is rotated to the imaging position by rotary motor, so that the Mark point on the polarizer can be detected. The length of second adsorption jig 32 and the length of first adsorption jig 31 and the gap between them are obtained through repeated tests, so that any polarizer can be corresponded to the Mark point on the polarizer by first adsorption jig 31 and / or second adsorption jig 32.
[0034] As shown in the figure, Figure 5 Square through holes are formed in the middle of first adsorption jig 31, first mounting edges 311 are formed on both sides of first adsorption jig 31, first interfaces 312 for connecting negative pressure pipes are formed on both end faces of first adsorption jig 31, and adsorption holes are uniformly formed on the surface of first adsorption jig 31.
[0035] As shown in the figure, Figure 6 Square through holes are formed in the middle of second adsorption jig 32, second mounting edges 321 are formed on both sides of second adsorption jig 32, second interfaces 322 for connecting negative pressure pipes are formed on both end faces of second adsorption jig 32, and adsorption holes are uniformly formed on the surface of second adsorption jig 32.
[0036] As shown in the figure, Figure 2 And 7As shown, the jig support plate 21 is provided with a first suction jig 31 and a second suction jig 32 in the middle, and two installation holes 211 are connected with a cover plate 22 below, and the two cover plates 22 are left with a certain gap to form a wiring slot 23. The back of the jig support plate 21 is provided with a plurality of distribution grooves of negative pressure pipes, forming a plurality of suction areas 212, which are uniformly provided with suction holes and are provided with a bottom cover 24. The bottom cover 24 is connected with a connector connected with the negative pressure pipe.
[0037] As shown in Figure 8 The Mark point on the four corners of the polarizing plate (5 inches) reaches the jig support plate 21, and the Mark point is above the second suction jig 32; as shown in Figure 9 The Mark point on the four corners of the polarizing plate rotates by several angles, which can ensure that the Mrak point is above the suction jig 3.
[0038] As shown in Figure 10 The Mark point in the middle of the polarizing plate (5 inches) reaches the jig support plate 21, and the Mark point is above the first suction jig 31; as shown in Figure 11 The Mark point in the middle of the polarizing plate rotates by several angles, which can ensure that the Mrak point is above the suction jig 3.
[0039] The suction jig of the polarizing plate of the embodiment can be applied to the Mark point detection of 5-8 inch polarizing plates.
[0040] Based on the above ideal embodiment of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the contents of the specification, and the technical scope must be determined according to the scope of the claims.
Claims
1. An adsorption fixture for polarizing films, characterized in that: The fixture includes a mounting plate (1), a fixture frame (2), an adsorption fixture (3), and a rotary motor (4). The rotary motor (4) is connected to the bottom surface of the mounting plate (1), and its output shaft passes through the mounting plate (1) and is connected to the bottom of the fixture frame (2). The fixture frame (2) has a fixture support plate (21). The cross-section of the fixture support plate (21) is octagonal, and all interior angles of the octagon are 135°. An adsorption fixture (3) is installed in the middle of the fixture support plate (21). The adsorption fixture (3) includes a first adsorption fixture (31) and a second adsorption fixture (32), both of which have square cross-sections. The length of the second adsorption fixture (32) is less than the length of the first adsorption fixture (31), and the distance between the second adsorption fixture (32) and the first adsorption fixture (31) is less than the length of the second adsorption fixture (32).
2. The adsorption fixture for the polarizer according to claim 1, characterized in that: The first adsorption fixture (31) has a square through hole in the middle, and the first adsorption fixture (31) has a first mounting edge (311) on both sides. The first adsorption fixture (31) has a first interface (312) for connecting the negative pressure pipe on both ends. The adsorption fixture (31) has adsorption holes evenly distributed on its surface.
3. The adsorption fixture for the polarizer according to claim 1, characterized in that: The second adsorption fixture (32) has a square through hole in the middle, and a second mounting edge (321) on both sides. The second adsorption fixture (32) has a second interface (322) for connecting the negative pressure pipe on both ends. The surface of the second adsorption fixture (32) has adsorption holes evenly distributed.
4. The adsorption fixture for the polarizer according to claim 1, characterized in that: The fixture support plate (21) has mounting holes (211) for the first adsorption fixture (31) and the second adsorption fixture (32) in the middle. Each of the two mounting holes (211) is connected to a cover plate (22), and the two cover plates (22) have a certain gap to form a wiring groove (23).
5. The adsorption fixture for the polarizer according to claim 4, characterized in that: The back of the fixture support plate (21) is provided with a distribution groove for several negative pressure pipes, forming several adsorption areas (212). Adsorption holes are uniformly provided on the adsorption areas (212), and a bottom cover (24) is installed.
6. The adsorption fixture for the polarizer according to claim 5, characterized in that: The bottom cover (24) is connected to a connector that connects to a negative pressure pipe.
7. The adsorption fixture for the polarizer according to claim 1, characterized in that: A support frame (11) is connected to one side edge of the mounting plate (1), and a negative pressure display meter (5) is provided on the support frame (11).
8. The adsorption fixture for the polarizer according to claim 1, characterized in that: The fixture frame (2) includes a base plate (201) and four support columns (202) located on the base plate (201), the upper ends of the four support columns (202) being connected to the fixture support plate (21).