Edge grinding machine

Abstract

The utility model relates to an edge grinding machine, and belongs to the field of grinding equipment, the edge grinding machine comprises a rack, a cushion table, a supporting seat, a moving seat, a first driving mechanism, a second driving mechanism and an edge grinding mechanism, the cushion table is arranged on the rack and used for positioning a polaroid, and the supporting seat is slidably arranged on the rack in the horizontal direction; the moving seat is slidably arranged on the supporting seat in the horizontal direction perpendicular to the sliding direction of the supporting seat, the first driving mechanism is arranged on the rack and used for driving the supporting seat to slide on the rack, and the second driving mechanism is arranged on the supporting seat and used for driving the moving seat to slide. And the edge grinding mechanism is arranged on the moving seat and is used for grinding the polaroid. According to the polaroid edge grinding device, the supporting base can drive the edge grinding mechanism to conduct circumferential grinding on the periphery of a polaroid, conversion of different edge grinding machines is not needed, the grinding time consumption of the polaroid is reduced, and the production efficiency of the polaroid is effectively improved.

Description

Technical Field

[0001] This application relates to the field of grinding equipment, and particularly to an edge grinding machine. Background Art

[0002] For existing liquid crystal displays, two polarizers need to be closely attached to the front and back to form a liquid crystal sheet with a total thickness of about 1 mm to achieve characteristics such as high brightness and high contrast. Therefore, polarizers have become essential components for liquid crystal display imaging.

[0003] Currently, high requirements are imposed on the smoothness of the edges of polarizers. Therefore, in addition to chamfering, the four right-angle edges also need to be polished. Existing edge grinding machines are either straight-edge grinding machines that can only perform straight-edge grinding or chamfering grinding machines that can only perform chamfering grinding. Therefore, when polishing the edges of polarizers, different edge grinding machines are required to perform multiple straight-edge grinding and chamfering grinding operations separately, resulting in a long polishing time for polarizers and thus a low production efficiency of polarizers. Utility Model Content

[0004] In order to improve the production efficiency of polarizers, this application provides an edge grinding machine.

[0005] The edge grinding machine provided by this application adopts the following technical solutions:

[0006] An edge grinding machine includes a frame, a pad table, a support seat, a moving seat, a first driving mechanism, a second driving mechanism, and an edge grinding mechanism. The pad table is arranged on the frame and is used for positioning the polarizer. The support seat is slidably arranged on the frame in the horizontal direction. The moving seat is slidably arranged on the support seat in the horizontal direction perpendicular to the sliding direction of the support seat. The first driving mechanism is arranged on the frame and is used for driving the support seat to slide on the frame. The second driving mechanism is arranged on the support seat and is used for driving the moving seat to slide. The edge grinding mechanism is arranged on the moving seat and is used for grinding the polarizer.

[0007] By adopting the above technical solutions, the staff places the polarizer to be polished on the pad table. After the pad table positions the polarizer, the first driving mechanism drives the support seat to slide on the frame in the horizontal direction, and the second driving mechanism drives the moving seat to slide on the support seat in the horizontal direction perpendicular to the horizontal direction of the support seat. Through the cooperation of the first driving mechanism and the second driving mechanism, the support seat can be driven to move along the outer periphery of the polarizer, and the support seat can drive the edge grinding mechanism to perform circumferential grinding on the outer periphery of the polarizer, eliminating the need to switch between different edge grinding machines, reducing the grinding time of the polarizer, and effectively improving the production efficiency of the polarizer.

[0008] Optionally, a moving machine table is slidably arranged on the frame, the pad table is arranged on the moving machine table, and a driving member for driving the moving machine table to slide is arranged on the frame.

[0009] By adopting the above technical solution, the driving member drives the moving machine table to move, the moving machine table drives the cushion table to move, and the cushion table can drive the polarizing plate to move, so as to improve the conversion efficiency of the relative position between the edge grinding mechanism and the polarizing plate when the edge grinding mechanism grinds different sides of the polarizing plate.

[0010] Optionally, the first driving mechanism includes a moving motor and a lead screw. The moving motor is arranged on the frame, the lead screw is coaxially arranged on the output shaft of the moving motor, and the lead screw is in threaded connection with the support seat.

[0011] By adopting the above technical solution, when the moving motor is started, the output shaft of the moving motor drives the lead screw to rotate, and the lead screw can drive the support seat to slide horizontally on the frame.

[0012] Optionally, the second driving mechanism includes a first cylinder. The first cylinder is arranged on the support seat, and the piston rod of the first cylinder is connected with the moving seat.

[0013] By adopting the above technical solution, when the piston rod of the first cylinder expands and contracts, it can drive the moving seat to slide horizontally on the support seat along the horizontal direction perpendicular to the sliding direction of the support seat.

[0014] Optionally, the edge grinding mechanism includes a lifting seat, a second cylinder, a driving motor and a grinding rod. The lifting seat is slidably arranged on the moving seat in the vertical direction. The second cylinder is arranged on the moving seat, the piston rod of the second cylinder is connected with the lifting seat, the driving motor is arranged on the lifting seat, and the grinding rod is coaxially arranged on the output shaft of the driving motor.

[0015] By adopting the above technical solution, when the piston rod of the second cylinder extends, it drives the lifting seat to move downwards. The lifting seat drives the grinding rod to move to the side of the polarizing plate, and then the moving seat drives the grinding rod to abut against the side of the polarizing plate. At the same time, the driving motor drives the grinding rod to rotate at a high speed, so that the polarizing plate can be ground conveniently and quickly.

[0016] Optionally, a positioning mechanism for assisting in positioning the position of the polarizing plate on the cushion table is arranged on the moving seat. The positioning mechanism includes a positioning seat, a third cylinder and a baffle. The positioning seat is slidably arranged on the moving seat in the vertical direction. The third cylinder is arranged on the moving seat, the piston rod of the third cylinder is connected with the positioning seat, and two baffles are arranged on the positioning seat, and the two baffles are perpendicular to each other.

[0017] By adopting the above technical solution, before placing the polarizer on the cushion table, the moving seat drives the alignment seat to move above the cushion table, and then the third air cylinder drives the alignment seat to move downward. The alignment seat drives the two baffles to move downward to both sides of the cushion table. Then, the operator places the polarizer on the cushion table and adjusts the position of the polarizer so that both sides of the polarizer are respectively abutted against the two baffles, thereby aligning the position of the polarizer on the cushion table and improving the accuracy of the position where the operator places the polarizer on the cushion table.

[0018] Optionally, the cushion table includes a cushion plate, a pressing plate and a control component. The cushion plate is arranged on the moving machine table, one pressing plate is arranged on each side of the cushion plate, and the control component is arranged on the cushion plate and is used to drive the pressing plate to press on the polarizer on the cushion plate.

[0019] By adopting the above technical solution, after the polarizer is placed on the cushion plate, the control component drives the pressing plate to press on the polarizer, thereby positioning the polarizer on the cushion plate and improving the stability of the polarizer on the cushion plate. And by installing one pressing plate on each side of the cushion plate, first press the polarizer with one of the pressing plates, then grind the other sides except the side of the pressing plate pressing on the polarizer, and then press the polarizer with the other pressing plate, so as to grind the pressing side of the polarizer that was pressed first, thereby ensuring the grinding of the circumferential side edges of the polarizer.

[0020] Optionally, the control component includes a fourth air cylinder and a rotary motor. The fourth air cylinder is arranged on the cushion plate in the vertical direction, the rotary motor is arranged on the piston rod of the fourth air cylinder, and the pressing plate is arranged on the output shaft of the rotary motor.

[0021] By adopting the above technical solution, the piston rod of the fourth air cylinder extends, causing the pressing plate to move upward. Then, the rotary motor drives the pressing plate to rotate above the polarizer, and the piston rod of the fourth air cylinder retracts, thereby driving the pressing plate to press on the polarizer.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. The support seat can drive the edge grinding mechanism to perform circumferential grinding on the outer periphery of the polarizer, eliminating the need to switch between different edge grinders, reducing the grinding time of the polarizer, and effectively improving the production efficiency of the polarizer;

[0024] 2. The operator places the polarizer on the cushion table and adjusts the position of the polarizer so that both sides of the polarizer are respectively abutted against the two baffles, thereby aligning the position of the polarizer on the cushion table and improving the accuracy of the position where the operator places the polarizer on the cushion table;

[0025] 3. First, hold the polarizer with one of the pressing plates, then grind the sides other than the side of the pressing plate that holds the polarizer, and then hold the polarizer with the other pressing plate, so as to grind the holding side of the polarizer that was held first, thereby ensuring that the circumferential side of the polarizer is ground. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic structural diagram of the edge grinding machine according to an embodiment of the present application.

[0027] Figure 2 is a schematic structural diagram from another perspective of the embodiment of the present application.

[0028] Figure 3 is a schematic structural diagram of the pad table according to an embodiment of the present application.

[0029] Reference numerals: 1, frame; 2, pad table; 21, backing plate; 22, pressing plate; 23, control assembly; 231, fourth cylinder; 232, rotating motor; 3, support seat; 4, moving seat; 5, first driving mechanism; 51, moving motor; 52, lead screw; 6, second driving mechanism; 61, first cylinder; 7, edge grinding mechanism; 71, lifting seat; 72, second cylinder; 73, driving motor; 74, grinding rod; 8, moving table; 9, alignment mechanism; 91, alignment seat; 92, third cylinder; 93, baffle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] The following Figures 1-3 further describes the present application in detail.

[0031] An embodiment of the present application discloses an edge grinding machine.

[0032] Referring to Figure 1 , Figure 2 , the edge grinding machine includes a frame 1, a pad table 2, a support seat 3, a moving seat 4, a first driving mechanism 5, a second driving mechanism 6, and an alignment mechanism 9.

[0033] Referring to Figure 1 , Figure 2 , a chute is provided on the frame 1 along the length direction of the frame 1, and a moving table 8 is slidably mounted on the inner wall of the chute along the length direction of the chute. A driving member is installed on the frame 1, and the driving member is used to drive the moving table 8 to slide. The driving member can be a linear driving mechanism such as a cylinder, an oil cylinder, or an electric push rod. In this embodiment, the driving member is a cylinder, and the cylinder is installed on the frame 1 along the sliding direction of the moving table 8. The piston rod of the cylinder is connected to the moving table 8. When the piston rod of the cylinder expands and contracts, the moving table 8 can be driven to slide in the chute.

[0034] Referring to Figure 2 , Figure 3, the cushion table 2 is installed on the moving machine table 8. The cushion table 2 is used to position the polarizer. The cushion table 2 includes a cushion plate 21, a pressing plate 22 and a control assembly 23. The cushion plate 21 is installed on the moving machine table 8. In this embodiment, chip receiving grooves are provided on both sides of the cushion plate 21 on the moving mechanism 8, which is convenient for collecting the chips generated during the process of grinding the polarizer; One control assembly 23 is arranged on each of the opposite sides of the cushion plate 21. The control assembly 23 is used to drive the pressing plate 22 to press on the polarizer on the cushion plate 21. The control assembly 23 includes a fourth cylinder 231 and a rotating motor 232. One fourth cylinder 231 is vertically installed on each of the opposite sides of the cushion plate 21 respectively. The rotating motor 232 is installed on the piston rod of the fourth cylinder 231, and the pressing plate 22 is installed on the output shaft of the rotating motor 232.

[0035] After the staff places the polarizer on the cushion plate 21, the piston rod of the fourth cylinder 231 on one side of the cushion plate 21 is driven to extend, so that the rotating motor 232 and the pressing plate 22 move upward. Then the rotating motor 232 is started to drive the pressing plate 22 to rotate to directly above the polarizer. Then the piston rod of the fourth cylinder 231 retracts, so that the pressing plate 22 can be pressed on the polarizer, thereby positioning the polarizer on the cushion plate 21 and improving the stability of the polarizer on the cushion plate 21; Then, except for the side of the polarizer where the pressing plate 22 is pressed on the polarizer, the other sides of the polarizer can be ground. After grinding is completed, the piston rod of the fourth cylinder 231 on the other side extends, and the rotating motor 232 is started. After the other pressing plate 22 is pressed on the polarizer under the drive of the fourth cylinder 231, the pressing plate 22 that was first pressed on the polarizer moves upward first under the drive of the fourth cylinder 231, and then the rotating motor 232 drives the pressing plate 22 to rotate away from above the polarizer, and the fourth cylinder 231 then drives the pressing plate 22 that was first pressed on the polarizer to move downward, so as to realize the conversion of the pressing of the polarizer. At this time, the side of the polarizer on the side of the pressing plate 22 that was first pressed on the polarizer can be ground, thereby ensuring that the circumferential side of the polarizer is ground without moving the polarizer.

[0036] Refer to Figure 1 , the support base 3 is slidably installed on the frame 1 in the horizontal direction, and the support base 3 is located above the cushion plate 21. The first driving mechanism 5 is installed on the frame 1. The first driving mechanism 5 is used to drive the support base 3 to slide on the frame 1. The first driving mechanism 5 includes a moving motor 51 and a lead screw 52. The moving motor 51 is installed on the frame 1. The lead screw 52 is rotatably installed on the frame 1 along the length direction of the moving seat 4 and is threadedly penetrated through the support base 3. The lead screw 52 is coaxially connected to the output shaft of the moving motor 51.

[0037] Start the moving motor 51. The output shaft of the moving motor 51 drives the lead screw 52 to rotate. During the rotation of the lead screw 52, the moving seat 4 can be driven to slide horizontally on the frame 1.

[0038] Reference Figure 1 and Figure 2 As shown in FIGS. 4-5, the moving seat 4 is slidably mounted on the supporting seat 3 in a horizontal direction perpendicular to the sliding direction of the supporting seat 3. The second driving mechanism 6 is mounted on the supporting seat 3 and is used to drive the moving seat 4 to slide. The second driving mechanism 6 includes a first cylinder 61. The first cylinder 61 is mounted on the supporting seat 3 along the sliding direction of the moving seat 4, and the piston rod of the first cylinder 61 is connected to the moving seat 4.

[0039] By controlling the telescopic movement of the piston rod of the first cylinder 61, the moving seat 4 can be driven to slide on the supporting seat 3, and further, the moving seat 4 can be driven to slide on the supporting seat 3 in a horizontal direction perpendicular to the sliding direction of the supporting seat 3.

[0040] Reference Figure 1 As shown in FIGS. 6-7, the edge grinding mechanism 7 is mounted on the moving seat 4 and is used to grind the polarizing plate. The edge grinding mechanism 7 includes a lifting seat 71, a second cylinder 72, a driving motor 73 and a grinding rod 74. The lifting seat 71 is slidably mounted on the moving seat 4 in the vertical direction. The second cylinder 72 is vertically mounted on the moving seat 4, and the piston rod of the second cylinder 72 is connected to the lifting seat 71. The driving motor 73 is mounted on the lifting seat 71, and the grinding rod 74 is coaxially mounted on the output shaft of the driving motor 73. The grinding rod 74 can be made of quartz sand, steel, etc. In this embodiment, the grinding rod 74 is made of steel and has the characteristics of long service life and high hardness.

[0041] When the piston rod of the second cylinder 72 extends, the lifting seat 71 is driven to slide downward on the moving seat 4. The lifting seat 71 drives the driving motor 73 and the grinding rod 74 to move downward, so that the grinding rod 74 moves to the side of the polarizing plate. Then, the moving seat 4 drives the grinding rod 74 to move horizontally or the moving machine table 8 drives the polarizing plate to move horizontally, so that the grinding rod 74 abuts against the side of the polarizing plate. At the same time, the driving motor 73 is started, and the output shaft of the driving motor 73 drives the grinding rod 74 to rotate at a high speed, and the grinding rod 74 can grind the side of the polarizing plate, improving the convenience of grinding the polarizing plate.

[0042] Reference Figure 1 and Figure 2 As shown in FIGS. 8-9, the alignment mechanism 9 is mounted on the moving seat 4 and is used to assist in positioning the position of the polarizing plate on the backing plate 21. The alignment mechanism 9 includes an alignment seat 91, a third cylinder 92 and a baffle 93. The alignment seat 91 is slidably mounted on the moving seat 4 in the vertical direction. The third cylinder 92 is vertically mounted on the moving seat 4, and the piston rod of the third cylinder 92 is connected to the alignment seat 91. Two baffles 93 are mounted below the alignment seat 91, and the two baffles 93 are respectively located on both sides of the alignment seat 91 and are perpendicular to each other.

[0043] Before the polarizer is placed on the backing plate 21, the worker drives the moving seat 4 to drive the alignment seat 91 to move above the backing plate 21, and then drives the piston rod of the third cylinder 92 to extend, so that the alignment seat 91 drives the two baffles 93 to move downward, so that the two baffles 93 respectively move to the adjacent sides of the backing plate 21, and the distance between the baffle 93 and the center point of the backing plate 21 is the same as the distance between the side of the polarizer and the center point of the backing plate 21. Then, the polarizer is placed on the backing plate 21, so that the two adjacent sides of the polarizer are respectively abutted against the two baffles 93, and the polarizer can be positioned on the cushion table 2, so that the position of the polarizer on the cushion table 2 is the same as the set position, effectively improving the accuracy of the position where the worker places the polarizer on the cushion table 2.

[0044] The implementation principle of an edge grinding machine according to an embodiment of the present application is as follows: The worker first drives the alignment seat 91 to move above the backing plate 21 through the moving seat 4, drives the baffle 93 to move downward to the adjacent sides of the backing plate 21 through the third cylinder 92, then places the polarizer on the backing plate 21, so that the adjacent sides of the polarizer are respectively abutted against the two backing plates 21, positions the polarizer on the backing plate 21, then drives the two baffles 93 to move upward and withdraw, and then drives the pressing plate 22 to move upward by one of the fourth cylinders 231, and the rotating motor 232 drives the pressing plate 22 to rotate above the polarizer, and the fourth cylinder 231 drives the pressing plate 22 to press against the backing plate 21 to position the polarizer. Then, the support seat 3 is driven to slide by the moving motor 51, the moving seat 4 is driven to slide by the first cylinder 61, the driving member drives the moving machine table 8 to slide, and at the same time, the second cylinder 72 drives the lifting seat 71 to move downward, so that the grinding rod 74 abuts against the side of the polarizer. The driving motor 73 is started to drive the grinding rod 74 to rotate at a high speed, and the grinding rod 74 can move along the outer circumference of the polarizer to grind the polarizer on the remaining sides except the side of the pressing plate 22 pressed on the polarizer. Then, another pressing plate 22 is replaced to press the polarizer, and then the pressed side of the polarizer pressed first is ground, so that the outer circumference of the polarizer can be circumferentially ground without switching different edge grinding machines, reducing the grinding time of the polarizer and effectively improving the production efficiency of the polarizer.

[0045] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An edge grinding machine, characterized in that: It includes a frame (1), a cushion table (2), a support seat (3), a moving seat (4), a first driving mechanism (5), a second driving mechanism (6) and an edge grinding mechanism (7). The cushion table (2) is arranged on the frame (1) and is used for positioning a polarizer. The support seat (3) is slidably arranged on the frame (1) in the horizontal direction. The moving seat (4) is slidably arranged on the support seat (3) in the horizontal direction perpendicular to the sliding direction of the support seat (3). The first driving mechanism (5) is arranged on the frame (1) and is used for driving the support seat (3) to slide on the frame (1). The second driving mechanism (6) is arranged on the support seat (3) and is used for driving the moving seat (4) to slide. The edge grinding mechanism (7) is arranged on the moving seat (4) and is used for grinding the polarizer.

2. The edge grinding machine according to claim 1, wherein: A moving table (8) is slidably arranged on the frame (1). The cushion table (2) is arranged on the moving table (8). A driving member for driving the moving table (8) to slide is arranged on the frame (1).

3. A edging machine according to claim 1, wherein: The first driving mechanism (5) includes a moving motor (51) and a lead screw (52). The moving motor (51) is arranged on the frame (1). The lead screw (52) is coaxially arranged on the output shaft of the moving motor (51). The lead screw (52) is threadedly connected to the support seat (3).

4. A edging machine according to claim 1, wherein: The second driving mechanism (6) includes a first air cylinder (61). The first air cylinder (61) is arranged on the support seat (3). The piston rod of the first air cylinder (61) is connected to the moving seat (4).

5. A glass edging machine according to claim 1, characterized in that: The edge grinding mechanism (7) includes a lifting seat (71), a second air cylinder (72), a driving motor (73) and a grinding rod (74). The lifting seat (71) is slidably arranged on the moving seat (4) in the vertical direction. The second air cylinder (72) is arranged on the moving seat (4). The piston rod of the second air cylinder (72) is connected to the lifting seat (71). The driving motor (73) is arranged on the lifting seat (71). The grinding rod (74) is coaxially arranged on the output shaft of the driving motor (73).

6. A edging machine according to claim 1, characterized in that: A positioning mechanism (9) for assisting in positioning the position of the polarizer on the cushion table (2) is arranged on the moving seat (4). The positioning mechanism (9) includes a positioning seat (91), a third air cylinder (92) and a baffle (93). The positioning seat (91) is slidably arranged on the moving seat (4) in the vertical direction. The third air cylinder (92) is arranged on the moving seat (4). The piston rod of the third air cylinder (92) is connected to the positioning seat (91). Two baffles (93) are arranged on the positioning seat (91), and the two baffles (93) are perpendicular to each other.

7. A edging machine according to claim 2, characterized in that: The cushion table (2) includes a cushion plate (21), a pressing plate (22) and a control component (23). The cushion plate (21) is arranged on the moving table (8). One pressing plate (22) is arranged on each side of the cushion plate (21). The control component (23) is arranged on the cushion plate (21) and is used for driving the pressing plate (22) to press against the polarizer on the cushion plate (21).

8. A edging machine according to claim 7, characterized in that: The control component (23) includes a fourth cylinder (231) and a rotary motor (232). The fourth cylinder (231) is arranged on the backing plate (21) in the vertical direction. The rotary motor (232) is arranged on the piston rod of the fourth cylinder (231). The pressing plate (22) is arranged on the output shaft of the rotary motor (232).

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