CN214723014U - Edge trimming device is used in production of LED backlight - Google Patents
Edge trimming device is used in production of LED backlight Download PDFInfo
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- CN214723014U CN214723014U CN202120712748.XU CN202120712748U CN214723014U CN 214723014 U CN214723014 U CN 214723014U CN 202120712748 U CN202120712748 U CN 202120712748U CN 214723014 U CN214723014 U CN 214723014U
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- led backlight
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Abstract
The utility model relates to the technical field of polishing of LED backlight sources, in particular to an edge trimming device for producing LED backlight sources, which comprises a shell, a rotating disc is embedded in the shell, a fixing mechanism is arranged above the rotating disc, a first motor is fixedly connected on the bottom surface of the shell, a supporting mechanism is arranged below the first motor, an output shaft of the first motor penetrates through the bottom surface of the shell and extends and is fixed on the rotating disc, a polishing mechanism is arranged in the shell and comprises a moving block and a polishing plate, the moving block is arranged in the shell, a T-shaped groove is arranged in the moving block, a gear is arranged in the T-shaped groove, a second motor is arranged above the gear and is fixed on the moving block, an output shaft of the second motor is fixed at the axle center of the gear, one side of the gear is meshed with a rack, a connecting strip is fixed at one end of the rack and penetrates through the moving block, a pushing mechanism is arranged at one side of the moving block, the device can polish the light source board of different shapes, and easy operation is convenient.
Description
Technical Field
The utility model relates to a LED backlight field of polishing especially relates to an edge trimming device is used in production of LED backlight.
Background
The LED backlight is a backlight for a liquid crystal display panel using an LED (light emitting diode). Compared with the traditional CCFL (cold cathode tube) backlight source, the LED has the characteristics of low power consumption, low heat productivity, high brightness, long service life and the like, and is expected to completely replace the traditional backlight system in recent years.
The LED backlight source is installed by a plurality of LEDs and is constituteed on the lamp plate, and LED backlight source board is mostly circular or rectangle, in LED backlight source production process, needs to polish the edge of LED backlight source board, and current LED backlight source board grinding device only can polish the light source board of same shape when using, can not polish the light source board of different shapes, in view of this, we provide an edge trimming device for LED backlight source production.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an edge trimming device for producing an LED backlight source.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an edge trimming device for LED backlight production comprises a shell with an upward opening, wherein a rotating disc is embedded in the shell, a fixing mechanism is arranged above the rotating disc, a first motor is fixedly connected to the bottom surface of the shell, a supporting mechanism is arranged below the first motor, and an output shaft of the first motor penetrates through the bottom surface of the shell, extends into the shell and then is fixed on the rotating disc;
the grinding mechanism is placed in the shell and comprises a moving block and a grinding plate, the moving block is placed in the shell, two sides of the moving block are in contact with the inner wall of the shell, a T-shaped groove is formed in the moving block, a gear is placed in the T-shaped groove, a second motor is arranged above the gear and fixed on the moving block, an output shaft of the second motor is fixed at the axis of the gear, a rack is meshed at one side of the gear, a connecting strip is fixed to one end of the rack, penetrates through the moving block and extends to the outside of the moving block to be fixed on the grinding plate, and a pushing mechanism used for moving the moving block is arranged on one side of the moving block.
Preferably, the supporting mechanism comprises a supporting plate and four supporting legs, the four supporting legs are fixed at four corners of the bottom surface of the shell, the supporting plate is placed between the four supporting legs, and the side walls of the supporting plate are fixed on the adjacent supporting legs.
Preferably, the fixing mechanism comprises an L-shaped plate and a screw rod, one end of the L-shaped plate is fixed on the outer wall of the shell, the other end of the L-shaped plate is arranged above the rotating disc, the screw rod is arranged above the rotating disc, the top end of the screw rod penetrates through the L-shaped plate and is in threaded connection with the L-shaped plate, and the bottom end of the screw rod is connected with a pressing piece.
Preferably, the pressing piece comprises an extrusion sheet, the extrusion sheet is rotatably connected to the bottom of the screw rod, and the extrusion sheet is made of elastic rubber.
Preferably, the pushing mechanism comprises two sleeves, the two sleeves are symmetrically arranged inside the shell, one end of each sleeve is in threaded connection with the side wall of the shell and extends out through the shell, a movable rod is inserted into the other end of each sleeve, a connecting plate is fixed at the tail end of each movable rod and fixed on the movable block, a spring is sleeved on each movable rod between each connecting plate and the corresponding sleeve, and two ends of each spring are fixed on the outer walls of the corresponding connecting plate and the corresponding sleeve respectively.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses, drive the rolling disc through first motor and rotate, circular LED backlight board rotates along with the rolling disc, rubs with the board of polishing through the lateral wall of circular LED backlight board to polish circular LED backlight board; the gear is driven to rotate in a positive and negative reciprocating mode through the second motor, the gear drives the rack to reciprocate, accordingly, the edges of the rectangular LED backlight source plates are polished, and by adjusting different mechanisms, the rectangular LED backlight source plates can be polished in different shapes, and the operation is simple and convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of a position a in fig. 1 according to the present invention;
fig. 3 is a schematic overall sectional structural view of the present invention.
In the figure: the device comprises a shell 1, a first motor 2, a rotating disc 3, a moving block 4, a T-shaped groove 5, a polishing plate 6, a rack 7, a second motor 8, a gear 9, a supporting leg 10, a supporting plate 11, a connecting plate 12, a spring 13, a moving rod 14, a sleeve 15, an L-shaped plate 16, a screw rod 17, an extrusion sheet 18 and a connecting strip 19.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in fig. 1-3, an edge trimming device for LED backlight production includes a housing 1 with an upward opening, a rotary disc 3 is embedded inside the housing 1, a fixing mechanism is disposed above the rotary disc 3, the fixing mechanism includes an L-shaped plate 16 and a screw rod 17, one end of the L-shaped plate 16 is fixed on the outer wall of the housing 1, the other end of the L-shaped plate 16 is disposed above the rotary disc 3, the screw rod 17 is disposed above the rotary disc 3, a pressing member is connected to the bottom end of the screw rod 17, the pressing member includes an extrusion sheet 18, the extrusion sheet 18 is rotatably connected to the bottom of the screw rod 17, the extrusion sheet 18 is made of elastic rubber, the top end of the screw rod 17 penetrates through and is threadedly connected to the L-shaped plate 16, the bottom of the screw rod 17 is rotatably connected to the extrusion sheet 18, and the extrusion sheet 18 is made of elastic rubber.
The implementation mode is specifically as follows:
before polishing the LED backlight source plate, firstly, the LED backlight source plate is placed on the rotating disc 3, then the screw rod 17 is rotated, the screw rod 17 drives the extrusion sheet 18 to move downwards on the L-shaped plate 16 to extrude the LED backlight source plate, and the extrusion sheet 18 is made of elastic rubber materials, so that the LED backlight source plate can be prevented from being crushed by the screw rod 17 in the downward pressing process.
The utility model discloses a motor, including casing 1, supporting mechanism, backup pad 11, four supporting legs 10, supporting mechanism, supporting plate 11, and supporting plate 11, the first motor 2 of fixedly connected with on the 1 bottom surface of casing, first motor 2 below is provided with supporting mechanism, and the output shaft of first motor 2 runs through 1 bottom surface of casing and extends its inside after-fixing on rolling disc 3, and supporting mechanism includes backup pad 11 and four supporting legs 10, and four supporting legs 10 are fixed in 1 bottom surface four corners position of casing, and backup pad 11 places between four supporting legs 10, and the lateral wall of backup pad 11 all fixes on adjacent supporting leg 10.
Polishing mechanism has been placed to casing 1 inside, polishing mechanism includes movable block 4 and sanding plate 6, movable block 4 is placed and is contacted with casing 1 inner wall in 1 inside and both sides of casing, T type groove 5 has been seted up to movable block 4 inside, gear 9 has been placed to T type groove 5 inside, gear 9 top is provided with second motor 8, second motor 8 is fixed on movable block 4, the output shaft of second motor 8 is fixed in gear 9 axle center department, the meshing of one side of gear 9 has rack 7, the one end of rack 7 is fixed with connecting strip 19, connecting strip 19 runs through movable block 4 and extends to its outside after-fixing on sanding plate 6.
Moving block 4 one side is provided with the pushing mechanism who is used for moving block 4, pushing mechanism includes two sleeves 15, two sleeve 15 symmetries are placed inside 1 casing, sleeve 15's one end threaded connection is on 1 lateral wall of casing and run through casing 1 and extend away, sleeve 15's the other end is inserted and is equipped with movable rod 14, movable rod 14's end is fixed with connecting plate 12, connecting plate 12 is fixed on moving block 4, the cover is equipped with spring 13 on the movable rod 14 between connecting plate 12 and the sleeve 15, spring 13's both ends are fixed respectively on connecting plate 12 and sleeve 15 outer wall.
The implementation mode is specifically as follows:
when the LED backlight panel is polished, the LED backlight panel is fixed on the rotating disc 3 through the fixing mechanism, the sleeve 15 is rotated to enable the sleeve 15 to move towards the outer side of the shell 1, the connecting plate 12 is pulled to move through the sleeve 15 through the spring 13, the moving block 4 is pulled to move through the connecting plate 12, the polishing plate 6 moves along with the moving block 4 until the polishing plate 6 is in contact with the LED backlight panel, at the moment, the sleeve 15 continues to be rotated to enable the sleeve 15 to stretch the spring 13 to enable the spring 13 to generate elasticity, and at the moment, the extending length of the spring 13 is the same as the polishing thickness.
When the circular LED backlight source plate is polished, the power supply of the first motor 2 is switched on, the output shaft of the first motor 2 drives the rotating disc 3 to rotate, the circular LED backlight source plate rotates along with the rotating disc 3, and the side wall of the circular LED backlight source plate is rubbed with the polishing plate 6 to polish; when polishing rectangle LED backlight board, adjust the angle of rectangle LED backlight board, make rectangle LED backlight board and 6 parallels and contacts of board of polishing, then, through the power of switch-on second motor 8, the output shaft of second motor 8 drives the positive and negative reciprocating rotation of gear 9, gear 9 drives rack 7 and removes in T type groove 5, rack 7 passes through connecting strip 19 and drives board of polishing 6 and remove on rectangle LED backlight board lateral wall, thereby polish the edge of rectangle LED backlight board, consequently, the device can polish the light source board of different shapes, easy operation is convenient.
The utility model discloses the theory of operation:
before polishing the LED backlight source plate, firstly, the LED backlight source plate is placed on the rotating disc 3, then the screw 17 is rotated, so that the screw 17 drives the extrusion sheet 18 to move downwards on the L-shaped plate 16 to extrude the LED backlight source plate, and the extrusion sheet 18 is made of elastic rubber materials, so that the LED backlight source plate can be prevented from being crushed by the screw 17 in the downward pressing process; when the LED backlight source plate is polished, the LED backlight source plate is fixed on the rotating disc 3 through the fixing mechanism, the sleeve 15 is rotated to move towards the outer side of the shell 1, the connecting plate 12 is pulled to move through the sleeve 15 through the spring 13, the moving block 4 is pulled to move through the connecting plate 12, the polishing plate 6 moves along with the moving block 4 until the polishing plate 6 is in contact with the LED backlight source plate, at the moment, the sleeve 15 continues to rotate, the sleeve 15 stretches the spring 13 to generate elastic force, at the moment, the extending length of the spring 13 is the same as the polishing thickness, when the circular LED backlight source plate is polished, the output shaft of the first motor 2 is connected with the power supply of the first motor 2 to drive the rotating disc 3 to rotate, the circular LED backlight source plate rotates along with the rotating disc 3, and the polishing plate 6 is rubbed through the side wall of the circular LED backlight source plate to polish; when polishing rectangle LED backlight board, adjust the angle of rectangle LED backlight board, make rectangle LED backlight board and 6 parallels and contacts of board of polishing, then, through the power of switch-on second motor 8, the output shaft of second motor 8 drives the positive and negative reciprocating rotation of gear 9, gear 9 drives rack 7 and removes in T type groove 5, rack 7 passes through connecting strip 19 and drives board of polishing 6 and remove on rectangle LED backlight board lateral wall, thereby polish the edge of rectangle LED backlight board, the device can polish the light source board of different shapes, and easy operation is convenient.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the foregoing embodiments and the description with reference to the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications fall within the scope of the invention as claimed, which is defined by the claims appended hereto and their equivalents.
Claims (5)
1. An edge trimming device for producing an LED backlight source comprises a shell (1) with an upward opening, and is characterized in that: a rotating disc (3) is embedded in the shell (1), a fixing mechanism is arranged above the rotating disc (3), a first motor (2) is fixedly connected to the bottom surface of the shell (1), a supporting mechanism is arranged below the first motor (2), and an output shaft of the first motor (2) penetrates through the bottom surface of the shell (1), extends into the shell and then is fixed on the rotating disc (3);
a polishing mechanism is arranged in the shell (1), the polishing mechanism comprises a moving block (4) and a polishing plate (6), the moving block (4) is arranged in the shell (1) and two sides of the moving block are contacted with the inner wall of the shell (1), a T-shaped groove (5) is formed in the moving block (4), a gear (9) is arranged in the T-shaped groove (5), a second motor (8) is arranged above the gear (9), the second motor (8) is fixed on the moving block (4), the output shaft of the second motor (8) is fixed at the axle center of the gear (9), one side of the gear (9) is engaged with a rack (7), one end of the rack (7) is fixed with a connecting strip (19), the connecting strip (19) penetrates through the moving block (4), extends to the outside of the moving block and is fixed on the grinding plate (6), and a pushing mechanism for moving the moving block (4) is arranged on one side of the moving block (4).
2. The edge finishing device for producing the LED backlight source as claimed in claim 1, wherein: the supporting mechanism comprises a supporting plate (11) and four supporting legs (10), the four supporting legs (10) are fixed at four corners of the bottom surface of the shell (1), the supporting plate (11) is placed between the four supporting legs (10), and the side walls of the supporting plate (11) are fixed on the adjacent supporting legs (10).
3. The edge finishing device for producing the LED backlight source as claimed in claim 1, wherein: the fixing mechanism comprises an L-shaped plate (16) and a screw rod (17), one end of the L-shaped plate (16) is fixed to the outer wall of the shell (1), the other end of the L-shaped plate (16) is arranged above the rotating disc (3), the screw rod (17) is placed above the rotating disc (3), the top end of the screw rod (17) is penetrated through and connected to the L-shaped plate (16) in a threaded mode, and the bottom end of the screw rod (17) is connected with a pressing piece.
4. The edge finishing device for producing an LED backlight source as claimed in claim 3, wherein: the pressing piece comprises an extrusion sheet (18), the extrusion sheet (18) is rotatably connected to the bottom of the screw rod (17), and the extrusion sheet (18) is made of elastic rubber.
5. The edge finishing device for producing the LED backlight source as claimed in claim 1, wherein: pushing mechanism includes two sleeve (15), two sleeve (15) symmetry is placed inside casing (1), the one end threaded connection of sleeve (15) is on casing (1) lateral wall and run through casing (1) and extend away, the other end of sleeve (15) is inserted and is equipped with movable rod (14), the end of movable rod (14) is fixed with connecting plate (12), connecting plate (12) are fixed on movable block (4), the cover is equipped with spring (13) on movable rod (14) between connecting plate (12) and sleeve (15), the both ends of spring (13) are fixed respectively on connecting plate (12) and sleeve (15) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120712748.XU CN214723014U (en) | 2021-04-08 | 2021-04-08 | Edge trimming device is used in production of LED backlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120712748.XU CN214723014U (en) | 2021-04-08 | 2021-04-08 | Edge trimming device is used in production of LED backlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214723014U true CN214723014U (en) | 2021-11-16 |
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ID=78601108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120712748.XU Active CN214723014U (en) | 2021-04-08 | 2021-04-08 | Edge trimming device is used in production of LED backlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214723014U (en) |
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2021
- 2021-04-08 CN CN202120712748.XU patent/CN214723014U/en active Active
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