Post-unwinding stretching device for polaroid processing
By introducing a limit shaft assembly into the polarizer processing device, the problem of not being easy to disassemble the winding roller is solved, and the convenient connection and disassembly of the winding roller and the rotating shaft is realized, thereby improving the convenience of the polarizer winding.
Patent Information
- Application Number
- CN202422860085.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-11-22
AI Technical Summary
In the existing polarizer processing device, the winding roller is not convenient to be disassembled when installed on the support plate, which makes the stretched polarizer difficult to remove after winding.
A back-rolling stretching device for polarizer processing is designed. By setting up a limit shaft assembly, the winding roller is easily disassembled and installed, including the limit shaft body, return spring and shift strip. The coupling of the limit shaft groove and the jack hole is used to achieve convenient connection and release of the connecting block and the rotating shaft.
It realizes convenient connection and disassembly between the winding roller and the rotating shaft, improves the convenience of the polarizer to wind and simplifies the operation process.
Smart Images
Figure CN223175384U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polarizer processing, in particular to a post-unwinding stretching device for polarizer processing. Background Art
[0002] Polarizers are made based on the polarization principle of light and have the special function of effectively eliminating glare, improving vision and enhancing driving pleasure. Polarizers are primarily made of PVA film, TAC film, protective film, release film, and pressure-sensitive adhesive, which are then stretched, chemically treated, dyed, and color-corrected. Existing polarizers are difficult to remove during stretching and winding because the winding roller is mounted on a support plate, making it difficult to disassemble. This makes it difficult to remove the stretched polarizer after winding.
[0003] In order to solve the above problems, the utility model provides a post-unwinding stretching device for processing polarizers. Utility Model Content
[0004] In view of the above-mentioned technical deficiencies, the purpose of the present invention is to provide a post-unwinding stretching device for polarizer processing, which realizes convenient disassembly and installation of the winding roller by setting a limiting shaft assembly, thereby solving the problems raised in the background technology.
[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: The present invention provides a post-unwinding stretching device for polarizer processing, comprising a release roller and a winding roller installed at both ends of an equipment frame, and support plates are symmetrically installed on both sides of the end of the equipment frame; a rotating shaft is rotatably installed on the side of the support plate; a connecting groove is provided at the end of the rotating shaft; a limiting shaft groove passing through the connecting groove is provided on the side of the rotating shaft; connecting blocks are symmetrically provided at both ends of the winding roller; a socket corresponding to the limiting shaft groove is provided on the connecting block; so that the limiting shaft body can be inserted into the limiting shaft groove and the socket to realize convenient connection between the connecting block and the rotating shaft; the connecting block is matched in the connecting groove; a limiting shaft assembly is installed in the limiting shaft groove; the limiting shaft assembly connects or releases the connecting block and the rotating shaft.
[0006] Preferably, the limit shaft assembly includes a limit shaft body, a return spring and a stop bar; a limit ring groove is provided on the inner circumference of the limit shaft groove coaxially; the limit shaft body is slidably installed in the limit shaft groove; two stop bars are symmetrically installed on the outside of the limit shaft body; the return spring is sleeved on the outside of the limit shaft body and the return spring is located in the limit ring groove; the stop bar is movably installed in the limit ring groove; two strip-shaped limit grooves symmetrical about the limit shaft groove are provided on the outer side of the rotating shaft; the strip limit grooves are respectively connected with the limit shaft groove and the limit ring groove; the strip limit grooves are on the same diameter of the limit shaft groove, and the strip limit grooves are used for the stop bar to slide out of the limit ring groove.
[0007] Preferably, limiting teeth are arranged at the front ends of both sides of the limiting ring groove; the limiting shaft assembly has a locked state and an unlocked state; in the locked state, one end of the retaining bar is clamped between two adjacent limiting teeth; at this time, the limiting shaft body is inserted into the insertion hole to realize the convenient connection between the connecting block and the rotating shaft; in the unlocked state, the retaining bar is slidably matched in the strip-shaped limiting groove; at this time, the limiting shaft body slides out of the insertion hole and then retracts into the limiting shaft groove to realize the convenient release of the connecting block and the rotating shaft.
[0008] Preferably, the edges of the limiting teeth are rounded; the edges of the end of the retaining bar are rounded; it is convenient for the retaining bar to be matched between the two limiting teeth.
[0009] Preferably, a dial is coaxially connected to the end of the limiting shaft body; strip-shaped friction lines are evenly distributed in a circular shape on the outer side of the dial; strip-shaped identification grooves corresponding to the retaining bar are arranged on the circumferential side of the limiting shaft body; the strip-shaped identification grooves are located between the retaining bar and the dial. When the retaining bar completely extends into the limiting ring groove, the strip-shaped identification grooves are still located outside the rotating shaft; by making the strip-shaped identification grooves correspond to the strip-shaped limiting grooves, it is confirmed that the positions of the strip-shaped limiting grooves and the retaining bar correspond. At this time, the retaining bar can be pulled out, which is convenient for the retaining bar to be pulled out from the limiting ring groove, and is convenient and practical.
[0010] The beneficial effects of the present utility model are as follows:
[0011] When the present utility model is used to connect the winding roller and the rotating shaft, the connecting block is matched in the connecting groove. Press the limiting shaft body to make the retaining bar completely extend into the limiting ring groove, and then rotate the limiting shaft body to make one end of the retaining bar clamped between two adjacent limiting teeth. At this time, the limiting shaft body passes through the insertion hole to connect the winding roller and the rotating shaft. When it is necessary to disassemble the winding roller, rotate the limiting shaft body back to make the retaining bar correspond to the strip-shaped limiting groove. Under the action of the return spring, the retaining bar extends out of the strip-shaped limiting groove, and then drives the limiting shaft body to disengage from the insertion hole, so as to disassemble the winding roller and the rotating shaft. Description of the Drawings
[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0013] Figure 1 It is a schematic structural diagram of a post-unwinding stretching device for polarizer processing provided by an embodiment of the present utility model.
[0014] Figure 2 For Figure 1 is the top view.
[0015] Figure 3 is Figure 2 The sectional view taken along A-A in
[0016] Figure 4 is Figure 3 The enlarged view of A in
[0017] Figure 5 The structural schematic diagram of the present utility model without the winding roller and the limit shaft assembly installed.
[0018] Figure 6 The structural schematic diagram of the limit shaft assembly in the present utility model.
[0019] Figure 7 The structural schematic diagram of the winding roller in the present utility model.
[0020] Explanation of reference numerals: 1 - equipment frame, 11 - support plate, 2 - release roller, 3 - winding roller, 31 - connection block, 311 - jack, 4 - rotating shaft, 41 - connection groove, 42 - limit shaft groove, 421 - strip-shaped limit groove, 43 - limit ring groove, 431 - limit teeth, 51 - limit shaft body, 511 - dial block, 512 - strip-shaped identification groove, 52 - return spring, 53 - stop bar. Detailed implementation manners
[0021] 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.
[0022] Embodiment 1:
[0023] As Figures 1 to 7 shown, this embodiment provides a stretching device after unwinding for polarizer processing, including: a release roller 2 and a winding roller 3 installed at both ends of the equipment frame 1, and support plates 11 symmetrically installed on both sides of the end of the equipment frame 1; a rotating shaft 4 is rotatably installed on the side of the support plate 11; a connection groove 41 is opened at the end of the rotating shaft 4; a limit shaft groove 42 penetrating the connection groove 41 is opened on the side of the rotating shaft 4; connection blocks 31 are symmetrically provided at both ends of the winding roller 3; the connection blocks 31 are opened with jacks 311 corresponding to the positions of the limit shaft grooves 42, so that the limit shaft body 51 can be inserted into the limit shaft groove 42 and the jack 311 to realize the convenient connection between the connection block 31 and the rotating shaft 4; the connection blocks 31 are fitted in the connection groove 41; a limit shaft assembly is installed in the limit shaft groove 42; the limit shaft assembly connects or releases the connection block 31 and the rotating shaft 4 to realize the convenient disassembly and installation of the winding roller 3.
[0024] Please refer to Figure 4And Figure 6 As shown in the figure, the limit shaft assembly includes a limit shaft body 51, a return spring 52 and a stop bar 53; a limit ring groove 43 is coaxially provided on the inner peripheral side of the limit shaft groove 42; the limit shaft body 51 is slidably installed in the limit shaft groove 42; two stop bars 53 are symmetrically installed on the outer side of the limit shaft body 51, and the two stop bars 53 are coplanar; the return spring 52 is sleeved on the outer side of the limit shaft body 51 and the return spring 52 is located in the limit ring groove 43; the stop bar 53 is movably installed in the limit ring groove 43; two strip-shaped limit grooves 421 symmetrical about the limit shaft groove 42 are provided on the outer side surface of the rotating shaft 4; the strip-shaped limit grooves 421 are respectively communicated with the limit shaft groove 42 and the limit ring groove 43; the strip-shaped limit grooves 421 are on the same diameter of the limit shaft groove 42, and the strip-shaped limit grooves 421 are used for the stop bar 53 to slide out of the limit ring groove 43. More specifically, limit teeth 431 are arranged at the front ends of the limit ring grooves 43; the limit shaft assembly has a locked state and an unlocked state; in the locked state, one end of the stop bar 53 is clamped between two adjacent limit teeth 431, and at this time, the limit shaft body 51 is inserted into the insertion hole 311 to realize the convenient connection between the connecting block 31 and the rotating shaft 4; in the unlocked state, the stop bar 53 is slidably matched in the strip-shaped limit groove 421, and at this time, the limit shaft body 51 slides out of the insertion hole 311 and then retracts into the limit shaft groove 42 to realize the convenient release of the connecting block 31 and the rotating shaft 4. More specifically, the edges of the limit teeth 431 are rounded; the edges of the end of the stop bar 53 are rounded to facilitate the stop bar 53 to be matched between the two limit teeth 431. More specifically, a dial block 511 is coaxially connected to the end of the limit shaft body 51; strip-shaped friction lines are annularly and evenly distributed on the outer side of the dial block 511 to facilitate the rotation of the limit shaft body 51; strip-shaped identification grooves 512 corresponding to the stop bar 53 are provided on the circumferential side of the limit shaft body 51; the strip-shaped identification grooves 512 are located between the stop bar 53 and the dial block 511, and when the stop bar 53 completely extends into the limit ring groove 43, the strip-shaped identification grooves 512 are still located outside the rotating shaft 4; by making the strip-shaped identification grooves 512 correspond to the strip-shaped limit grooves 421, it is confirmed that the positions of the strip-shaped limit grooves 421 and the stop bar 53 correspond, and at this time, the stop bar 53 can be pulled out to facilitate the extraction of the stop bar 53 from the limit ring groove 43, which is convenient and practical.
[0025] When the utility model is actually used, when connecting the winding roller 3 and the rotating shaft 4, the connecting block 31 is matched in the connecting groove 41, the limit shaft body 51 is pressed so that the stop bar 53 completely extends into the limit ring groove 43, and then the limit shaft body 51 is rotated so that one end of the stop bar 53 is clamped between two adjacent limit teeth 431. At this time, the limit shaft body 51 passes through the insertion hole 311 to connect the winding roller 3 and the rotating shaft 4. When it is necessary to disassemble the winding roller 3, the limit shaft body 51 is rotated back so that the stop bar 53 is aligned with the strip-shaped limit groove 421. Under the action of the return spring 52, the stop bar 53 extends out of the strip-shaped limit groove 421, and then drives the limit shaft body 51 to disengage from the insertion hole 311, so as to disassemble the winding roller 3 and the rotating shaft 4.
[0026] Obviously, those skilled in the art can make various modifications and variations to the present utility model without departing from the spirit and scope of the present utility model. Thus, if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and its equivalent technologies, the present utility model also intends to include these modifications and variations.
Claims
1. A stretching device after unwinding for polarizer processing, comprising a release roller (2) and a winding roller (3) installed at both ends of an equipment frame (1), characterized in that, On both sides of the end of the device frame (1), support plates (11) are symmetrically installed; a rotating shaft (4) is rotatably installed on the side of the support plate (11); a connecting groove (41) is opened at the end of the rotating shaft (4); a limiting shaft groove (42) penetrating the connecting groove (41) is opened on the side of the rotating shaft (4); connecting blocks (31) are symmetrically arranged at both ends of the winding roller (3); a jack (311) corresponding to the limiting shaft groove (42) is opened in the connecting block (31); the connecting block (31) is matched in the connecting groove (41); a limiting shaft assembly is installed in the limiting shaft groove (42); the limiting shaft assembly connects or releases the connecting block (31) and the rotating shaft (4).
2. The post-unwinding stretching device for polarizer processing according to claim 1, wherein, The limiting shaft assembly includes a limiting shaft body (51), a return spring (52) and a stop bar (53); a limiting ring groove (43) is coaxially opened on the inner peripheral side of the limiting shaft groove (42); the limiting shaft body (51) is slidably installed in the limiting shaft groove (42); two of the stop bars (53) are symmetrically installed on the outer side of the limiting shaft body (51); the return spring (52) is sleeved on the outer side of the limiting shaft body (51) and the return spring (52) is located in the limiting ring groove (43); The stop bar (53) is movably installed in the limiting ring groove (43); two strip-shaped limiting grooves (421) symmetric about the limiting shaft groove (42) are opened on the outer side surface of the rotating shaft (4); the strip-shaped limiting grooves (421) are respectively communicated with the limiting shaft groove (42) and the limiting ring groove (43).
3. The stretching device after unwinding for polarizer processing according to claim 2, characterized in that, Limiting teeth (431) are arranged at the front ends of the limiting ring grooves (43); the limiting shaft assembly has a locked state and an unlocked state; in the locked state, one end of the stop bar (53) is clamped between two adjacent limiting teeth (431); in the unlocked state, the stop bar (53) is slidably matched in the strip-shaped limiting groove (421).
4. The uncoiling and stretching device for polarizer processing according to claim 3, characterized in that, The edges of the limiting teeth (431) are rounded; the edges of the end of the stop bar (53) are rounded.
5. The rewinding and stretching device for polarizer processing according to claim 4, characterized in that, A dial block (511) is coaxially connected to the end of the limiting shaft body (51); strip-shaped friction lines are annularly and uniformly distributed on the outer side of the dial block (511); strip-shaped marking grooves (512) corresponding to the stop bar (53) are arranged on the peripheral side of the limiting shaft body (51).