Clamping device for edging polaroid

Abstract

The utility model relates to the technical field of polaroid edge grinding machines, in particular to a clamping device for polaroid edge grinding, which comprises a casing and the like. The machine shell is an assembly carrier of the device, the middle of the machine shell is fixedly connected with a circular containing plate through a supporting plate, a circular extrusion plate is installed on the inner wall of the top of the machine shell through a telescopic rod, and the telescopic rod between the machine shell and the extrusion plate is sleeved with a spring. And the placing plate and the extruding plate are matched with each other and are used for clamping the placed stacked polaroids. According to the polaroid edge grinding device, the supporting plate driven by the air cylinder is matched with the spring, so that the stacked polaroids can be stably clamped by the placing plate and the extruding plate, the position stability of the polaroids is ensured in the edge grinding process, the polaroids cannot deviate due to external force, and the machining precision and the finished product rate are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to polarizing plate edge grinding machine technical field especially relates to a kind of clamping devices for polarizing plate edge grinding. BACKGROUND

[0002] Polarizing plate is one of key components in liquid crystal display (LCD) and organic light emitting diode display (OLED) equipment, has important influence to display effect, its function is in selective filtering light, thereby realizing the light and shade contrast of image and improving color reproduction, provide basic support for constructing high-quality, high-contrast picture, in the production and assembly process of polarizing plate, edge processing is an extremely important process, because it directly affects the sealing performance of display, display quality and durability.

[0003] Chinese utility model patent CN218254581U provides a kind of clamping tool for polarizing plate edge grinding machine, including clamping tool, the clamping tool includes workbench, electric push rod one, mounting bracket, motor, fixed clamping plate, rubber pad, bearing, mounting plate, electric push rod two, fixed plate and electric push rod three;The workbench top is equipped with mounting bracket, the mounting bracket bottom is equipped with electric push rod one, the electric push rod one bottom is equipped with motor, the motor output end is equipped with fixed clamping plate, the workbench top is equipped with electric push rod two, the electric push rod two top is equipped with bearing, the bearing top is equipped with fixed clamping plate, by mounting plate, electric push rod three, rubber pad and fixed plate, after the polarizing plate is stacked and clamped and fixed, the stacked polarizing plate back can be driven fixed plate by the electric push rod three of mounting plate, thereby reach the clamping of stacked polarizing plate, but there is no matching buffer and protection mechanism, there can be the risk that the force applied to polarizing plate is too large or too small, too large force can cause polarizing plate to be damaged, such as rupture or deformation;Not enough force can not effectively fix polarizing plate, still can appear deviation in edge grinding process, therefore need to improve prior art, design a kind of clamping device for polarizing plate edge grinding. UTILITY MODEL CONTENT

[0004] In order to overcome the shortcomings that the prior art polarizing plate edge grinding machine clamping device is difficult to accurately control the clamping force applied to the polarizing plate, a clamping device for polarizing plate edge grinding is provided.

[0005] The technical scheme is: a clamping device for polishing the edges of polarizing plates, comprising a machine shell, a placement plate and an extrusion plate, the machine shell is the assembly carrier of the device, a circular placement plate is fixed to the middle part of the machine shell through a support plate, a circular extrusion plate is installed on the inner wall of the top of the machine shell through an extension rod, a spring is sleeved on the extension rod between the machine shell and the extrusion plate, the placement plate and the extrusion plate are matched with each other and clamp the stacked polarizing plates; further comprising: a gas cylinder fixedly installed on the inner wall of the top of the machine shell, the gas cylinder is close to the extrusion plate; a supporting plate installed on the extension rod of the gas cylinder, the supporting plate overcomes the elastic force of the spring and supports on the extrusion plate; a baffle symmetrically arranged at the edge of the middle part of the machine shell, and the baffle is located on both sides of the placement plate, the baffle is used to reduce the polishing dust from sliding out; a storage bin arranged in the machine shell, and the feeding port of the storage bin is flush with and close to the position of the placement plate, the supporting plate is no longer supported on the extrusion plate by driving the supporting plate of the gas cylinder to move downward, the extrusion plate will press the stacked polarizing plates on the placement plate under the action of the spring, and stable clamping of the stacked polarizing plates is realized.

[0006] Further, the clamping surfaces of the placement plate and the extrusion plate are provided with rubber pads, and the surfaces of the rubber pads are provided with spiral patterns, the rubber pads are used to increase the friction between the clamping surfaces of the placement plate and the extrusion plate and the surface of the polarizing plate, and further prevent the polarizing plate from shifting during edge polishing.

[0007] Further, not less than two fans are installed on one side of the lower part of the machine shell through mounting brackets, the width of the fan is less than the polishing size of the edge-polished polarizing lens, the fan blows air towards the direction of the placement plate, and the polishing dust blocked by the baffle is blown and cleaned.

[0008] Further, an inclined guide plate is arranged at the feeding port of the storage bin, the guide plate is used to guide the polishing dust blown out by the fan into the bottom of the storage bin, so as to avoid the dust from diffusing and settling in the entire storage bin, and improve the effect of collecting polishing dust in the storage bin.

[0009] Further, filter screens are arranged at the air inlet and air outlet of the fan, the filter screens are used to protect the normal work of the fan and prevent the polishing dust from being sucked into the fan and causing damage.

[0010] Further, a positioning shaft is fixedly connected to the edge of the discharge opening of the storage bin of the machine shell, a magnetic door plate is magnetically installed at the discharge opening of the storage bin through the positioning shaft, and a handle is installed on the magnetic door plate.

[0011] Further, the pushing plate is slidingly installed at the bottom of the storage bin through a guide rod, a grip is installed on the pushing plate through a connecting rod, and the grip is located close to the magnetic door plate inside the storage bin.

[0012] The beneficial effects are: 1. The utility model discloses a supporting plate and spring cooperation of air cylinder drive, so that the placing plate and the extrusion plate can stably hold the stacked polaroid, guarantee the position of polaroid during the edge grinding process, and the processing precision and the yield are improved.

[0013] 2. The utility model discloses a fan can effectively remove the dust generated in the edge grinding process, and the dust is guided to the storage bin through the guide plate and is collected, which not only reduces the dust pollution in the working environment, but also simplifies the subsequent cleaning work, improves the production efficiency and the safety of the working environment.

[0014] 3. The utility model discloses a magnetic door plate, which is convenient for opening and closing the storage bin and facilitates regular cleaning of the collected dust. Meanwhile, the push plate at the bottom of the storage bin can be easily operated through the external handle, so that cleaning the dust in the storage bin becomes more simple and fast, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model shell, extrusion plate and other components.

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model mounting bracket, fan and other components.

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the utility model shell and guide plate and other components.

[0019] Figure 5 It is an exploded view of the utility model shell and magnetic door plate and other components.

[0020] Figure 6 It is a schematic diagram of the three-dimensional structure of the utility model push plate and handle.

[0021] The component names and serial numbers in the figure are: 1, shell, 101, baffle, 2, placing plate, 3, telescopic rod, 4, extrusion plate, 5, spring, 6, air cylinder, 61, supporting plate, 7, mounting bracket, 8, fan, 9, filter screen, 10, storage bin, 11, guide plate, 12, magnetic door plate, 13, handle, 14, positioning shaft, 15, push plate, 16, guide rod, 17, handle. DETAILED DESCRIPTION

[0022] The technical scheme of the utility model will be further described below in combination with the drawings.

[0023] Embodiment: A clamping device for polishing the edges of polarizing sheets, as shown in Figure 1 and Figure 2 , comprising an organic shell 1, a placement plate 2 and an extrusion plate 4, the shell 1 is the assembly carrier of the device, the middle part of the shell 1 is fixed with a circular placement plate 2 through a support plate, and the inner wall of the top of the shell 1 is installed with a circular extrusion plate 4 through a telescopic rod 3, a spring 5 is sleeved on the telescopic rod 3 between the shell 1 and the extrusion plate 4, the placement plate 2 and the extrusion plate 4 are matched with each other and clamp the stacked polarizing sheets placed; further comprising: a gas cylinder 6 fixedly installed on the inner wall of the top of the shell 1, the gas cylinder 6 is close to the extrusion plate 4; a supporting plate 61 installed on the telescopic rod 3 of the gas cylinder 6, the supporting plate 61 overcomes the elastic force of the spring 5 and supports on the extrusion plate 4; a baffle 101 symmetrically arranged at the edge of the middle part of the shell 1, and the baffle 101 is located on both sides of the placement plate 2, the baffle 101 is used to reduce the polishing dust from sliding outwards; a storage bin 10 arranged inside the shell 1, and the inlet of the storage bin 10 is flush and close to the position of the placement plate 2, the supporting plate 61 is no longer supported on the extrusion plate 4 by driving the supporting plate 61 to move downward through the gas cylinder 6, the extrusion plate 4 will press the stacked polarizing sheets on the placement plate 2 under the action of the spring 5, realizing stable clamping of the stacked polarizing sheets; the clamping surfaces of the placement plate 2 and the extrusion plate 4 are provided with rubber pads, and the surfaces of the rubber pads are provided with spiral patterns, the rubber pads are used to increase the friction force of the clamping surfaces of the placement plate 2 and the extrusion plate 4 on the surface of the polarizing sheet, further preventing the polarizing sheet from deviating during edge polishing.

[0024] As shown in Figure 4 and Figure 5 , not less than two fans 8 are installed on one side of the lower part of the shell 1 through a mounting frame 7, the width of the fan 8 is less than the polishing size of the edge-polished polarizing mirror, the fan 8 blows towards the direction of the placement plate 2 and blows and cleans the polishing dust blocked by the baffle 101.

[0025] As shown in Figures 1-6 , an inclined guide plate 11 is arranged at the inlet of the storage bin 10, the guide plate 11 is used to guide the polishing dust blown out by the fan 8 into the bottom of the storage bin 10, avoiding the dust from diffusing throughout the storage bin 10 and needing additional time for sedimentation, improving the effect of collecting polishing dust of the storage bin 10.

[0026] As shown in Figure 1 and Figure 3 , filter screens 9 are arranged at the air inlet and air outlet of the fan 8, the filter screens 9 are used to protect the normal work of the fan 8 and prevent the polishing dust from being sucked into the fan 8 to cause damage.

[0027] As shown in Figure 5 , a positioning shaft 14 is fixedly connected at the edge of the discharge opening of the storage bin 10 of the shell 1, a magnetic door plate 12 is magnetically installed at the discharge opening of the storage bin 10 through the positioning shaft 14, and a handle 13 is installed on the magnetic door plate 12.

[0028] As Figure 5 and Figure 6 shown, the pushing plate 15 is slidingly installed at the bottom of the storage bin 10 through the guide rod 16, and a handle 17 is installed on the pushing plate 15 through a connecting rod, and the handle 17 is located near the magnetic door plate 12 inside the storage bin 10.

[0029] First, the polarizing plates to be edged are stacked on the circular placement plate 2 in the middle of the casing 1, at this time, the air cylinder 6 drives the supporting plate 61 upward through the telescopic rod 3 to overcome the elastic force of the spring 5 to lift the pressing plate 4, so that it keeps a certain distance from the placement plate 2 to facilitate the placement of the polarizing plates, when the polarizing plates are placed, the air cylinder 6 drives the supporting plate 61 to move downward to release the support of the pressing plate 4, at this time, the spring 5 restores its original state to push the pressing plate 4 downward until it is pressed on the stacked polarizing plates on the placement plate 2, thereby forming a stable clamping of the polarizing plates, then the device with clamped polarizing plates is pushed into the grinding machine for grinding, the baffle 101 can prevent the polarizing plates from deviating from the center position due to uneven force during the edge grinding process, during the edge grinding process of the stacked polarizing plates, the baffle 101 will block the dust generated during the grinding process, at the same time, the fan 8 blows air towards the placement plate 2 direction to help remove the dust generated during the edge grinding process and blow it towards the storage bin 10, under the guidance of the inclined guide plate 11 in the storage bin 10, the dust can be effectively guided into the bottom of the storage bin 10 to avoid the spread of dust in the entire storage bin 10, accelerate the settling speed of the dust, improve the dust collection efficiency, finally, the magnetic door plate 12 is opened and closed, the pushing plate 15 is easily pushed through the handle 17 to push the dust in the storage bin 10 out, and the cleaning work is conveniently and quickly completed.

[0030] It should be understood that the embodiments are only used to illustrate the present application and not to limit the scope of the present application. In addition, it should be understood that after reading the content taught by the present application, those skilled in the art can make various changes or modifications to the present application, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

Claims

1. A clamping device for polishing polarizer, comprising a machine shell (1), a placing plate (2) and a pressing plate (4), a circular placing plate (2) is fixed to the middle part of the machine shell (1) through a support plate, a circular pressing plate (4) is installed on the inner wall of the top of the machine shell (1) through an extension rod (3), a spring (5) is sleeved on the extension rod (3) between the machine shell (1) and the pressing plate (4), the placing plate (2) and the pressing plate (4) are matched with each other and clamp the stacked polarizer put in; The application is characterized in that Further comprising: a pneumatic cylinder (6) fixedly installed on the inner wall of the top of the machine shell (1), the pneumatic cylinder (6) is close to the pressing plate (4); a supporting plate (61) installed on the extension rod (3) of the pneumatic cylinder (6), the supporting plate (61) overcomes the elastic force of the spring (5) and supports on the pressing plate (4); a baffle (101) symmetrically arranged at the edge of the middle part of the machine shell (1), and the baffle (101) is located on both sides of the placing plate (2); a storage bin (10) arranged in the machine shell (1), and the feeding port of the storage bin (10) is flush and close to the position of the placing plate (2).

2. A clamping device for edge grinding of a polarizing plate according to claim 1, wherein: The clamping surfaces of the placing plate (2) and the pressing plate (4) are provided with rubber pads, and the surfaces of the rubber pads are provided with spiral patterns.

3. A clamping device for the edging of polarizing sheets according to claim 2, characterized in that: Not less than two fans (8) are installed on one side of the lower part of the machine shell (1) through a mounting bracket (7), and the width of the fan (8) is less than the polishing size of the polarizing lens.

4. A clamping device for the edging of polarizing sheets according to claim 3, characterized in that: An inclined guide plate (11) is arranged at the feeding port of the storage bin (10), and the guide plate (11) is used for guiding the polishing dust blown out by the fan (8) to the bottom of the storage bin (10).

5. A clamping device for the edging of polarizing sheets according to claim 4, characterized in that: A filter screen (9) is arranged at the air inlet and air outlet of the fan (8).

6. A clamping device for the edging of polarizing sheets according to claim 5, characterized in that: A positioning shaft (14) is fixedly connected to the edge of the discharge opening of the storage bin (10) of the machine shell (1), a magnetic door plate (12) is magnetically installed on the discharge opening of the storage bin (10) through the positioning shaft (14), and a handle (13) is installed on the magnetic door plate (12).

7. A clamping device for the edging of polarizing sheets according to claim 6, characterized in that: A pushing plate (15) is slidingly installed at the bottom of the storage bin (10) through a guide rod (16), a handle (17) is installed on the pushing plate (15) through a connecting rod, and the handle (17) is located close to the magnetic door plate (12) inside the storage bin (10).

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