CN207914804U - A kind of high speed laser cutting machine tool for the processing of LED light guide plates - Google Patents
A kind of high speed laser cutting machine tool for the processing of LED light guide plates Download PDFInfo
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- CN207914804U CN207914804U CN201721869775.8U CN201721869775U CN207914804U CN 207914804 U CN207914804 U CN 207914804U CN 201721869775 U CN201721869775 U CN 201721869775U CN 207914804 U CN207914804 U CN 207914804U
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Abstract
The utility model provides a kind of high speed laser cutting machine tool for the processing of LED light guide plates, including workbench, auxiliary body, cuts main body and testing agency, the workbench front end is equipped with auxiliary body, the auxiliary body includes limiting plate, upper mobile board, servo motor, lower movable plate, draw runner, sliding shoe, hollow plate and expansion plate, cuts main body and testing agency are equipped in front of the auxiliary body, the testing agency lower end is equipped with cuts main body, the testing agency includes installation panel, lead screw, optical sensor, rotating wheel and positioning telescopic rod, the cuts main body is arranged in workbench front end, compared with prior art, the utility model has following advantageous effect：It effectively prevent light guide plate to shake, improves cut quality, be directly detected, improve working efficiency.
Description
Technical field
The utility model is a kind of high speed laser cutting machine tool for the processing of LED light guide plates, belongs to LED light guide plates processing skill
Art field.
Background technology
Be currently used for LED light guide plates processing high speed laser cutting machine tool on there is no clamping structure, when laser cutting machine into
When row cutting, can usually light guide plate be made to shake, lead to cut lengths error occur, reduced cut quality, be currently used for LED
It after the high speed laser cutting machine tool of light guide plate processing cuts light guide plate, then takes out light guide plate and carries out Thickness sensitivity again, work
Time is long, and working efficiency is poor.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of height for the processing of LED light guide plates
Fast laser cutting machine, to solve the problems mentioned in the above background technology.
To achieve the goals above, the utility model is to realize by the following technical solutions：One kind is guide-lighting for LED
The high speed laser cutting machine tool of plate processing, including workbench, auxiliary body, cuts main body and testing agency, the work are flat
Platform front end is equipped with auxiliary body, and the auxiliary body includes limiting plate, upper mobile board, servo motor, lower movable plate, draw runner, cunning
Motion block, hollow plate and expansion plate, are equipped with cuts main body and testing agency in front of the auxiliary body, under the testing agency
End is equipped with cuts main body, and the testing agency includes that installation panel, lead screw, optical sensor, rotating wheel and positioning are flexible
Bar, the cuts main body are arranged in workbench front end.
Further, in the auxiliary body, the upper mobile board, servo motor and lower movable plate are equipped with two
A, two upper mobile boards are symmetricly set on limiting plate lower end, and the upper mobile board lower end is equipped with lower movable plate, under described
Movable plate is assemblied in servo motor inner end, and the limit front edge of board is equipped with draw runner, sliding shoe, the cunning are equipped on the draw runner
Motion block upper end is equipped with hollow plate, and the hollow plate upper end is equipped with expansion plate, and the expansion plate lower end extends into inside hollow plate,
The hollow plate is placed in limiting plate upper end, and the limit front edge of board is equipped with sliding shoe.
Further, in the testing agency, the lead screw, optical sensor and rotating wheel are equipped at least two
A, at least two rotating wheels are placed equidistant in mounting surface front edge of board, and the rotating wheel is assemblied on lead screw, after the lead screw
End is equipped with optical sensor, and the optical sensor is mounted on installation panel rear, and the installation panel front end is equipped with lead screw,
The lead screw rear end passes through installation panel to be connected with optical sensor, and the installation panel rear end is arranged with two positioning and stretches
Contracting bar, two positioning telescopic rods are symmetrically mounted on optical sensor front end, and two positioning telescopic rods are symmetrically mounted on
Lead screw front and rear sides.
Further, the workbench front end is equipped with sliding seat one, lead screw one and sliding seat two, and sliding seat one is right
Side is equipped with lead screw one, and one right end of lead screw is equipped with sliding seat two, and one upper end of lead screw is equipped with servo motor, and servo motor is solid
It is scheduled on workbench front end, the cuts main body is connected with lead screw one by ball nut pair, and the cuts main body passes through cunning
Dynamic seat one and sliding seat two are connected with workbench, and the workbench upper end is equipped with postive stop baffle, and postive stop baffle is pacified
Between sliding seat one and lead screw.
Further, the sliding shoe upper end is equipped with L-type connecting rod, and L-type connecting rod is mounted on hollow front edge of board, described
Sliding shoe front end is equipped with fixing bolt, and fixing bolt rear end is connected across sliding shoe with draw runner, and the limiting plate passes through cunning
Item and sliding shoe are connected with L-type connecting rod, and the expansion plate is mounted on postive stop baffle lower end, and postive stop baffle lower end processes
There is sliding slot, and sliding block is installed inside sliding slot, and sliding block setting, in expansion plate upper end, the expansion plate passes through sliding and sliding slot
It is connected with postive stop baffle, the limit front edge of board is machined with graduation mark, and in actual operation, staff places light guide plate
On workbench, and light guide plate left end is made to be in contact with sliding seat one, then staff opens fixing bolt, and then work people
Member is moved to the left sliding shoe along draw runner, and sliding shoe, which is moved to the left, drives L-type connection to be moved to the left, and L-type connection is moved to the left band
Dynamic hollow plate is moved to the left, and is clamped after hollow plate is in contact with light guide plate, and by light guide plate horizontal direction, realizes limit
Position effectively prevent light guide plate double swerve, improves cut quality.
Further, the limiting plate lower end is connected with two upper mobile boards respectively by free bearing, the upper mobile board
It is connected by shaft with lower movable plate, the servo motor front end is equipped with connecting pole, and connecting pole inner end is equipped with lower activity
Plate, the servo motor are connected with connecting pole by reduction box, the limiting plate be mounted on sliding seat one and lead screw one it
Between, the limiting plate is mounted on sliding rail two with sliding seat one and one contact position of lead screw, and the limiting plate passes through sliding rail two
It is connected respectively with sliding seat one and lead screw one, in practical work process, after light guide plate horizontal direction is clamped, work people
Member's startup servo motor, servo motor work drive connecting pole rotation, and connecting pole rotation drives lower movable plate rotation, and then makes
Movable plate rotation simultaneously move up, upper mobile board move up drive limiting plate move up, limiting plate move up first and
Light guide plate is in contact, and then drives light guide plate to move upwardly together again, after light guide plate is in contact with postive stop baffle, staff
Stop servo motor, realization is clamped light guide plate vertical direction, realizes limit, effectively prevent light guide plate to be moved forward and backward, carry
High cut quality.
Further, the cuts main body front end is equipped with microcontroller, and one right end of sliding seat and lead screw left end are pacified
Equipped with lamp bar, and microcontroller by connecting line respectively at least two optical sensors, and microcontroller is connected to meter by serial ports
On calculation machine, in actual operation, staff first opens lamp bar, then starts cuts main body, cuts main body work can be to leaded light
Plate carries out cutting work, while cuts main body can also move down under the effect of lead screw one, and cuts main body moves down drive peace
Dress panel moves down, and installation panel, which moves down, drives optical sensor to move down, and then each on scanning collection light guide plate
The illumination degrees of data of point, while optical sensor transfers data on microcontroller, then transfers data to again on computer,
Each point illuminance is directly calculated by computer again, realizes that cutting is integrated with detection, can directly be examined in cutting process
It surveys, reduces the working time, improve working efficiency.
Further, the rotating wheel is connected with lead screw by ball nut pair, and the lead screw passes through bearing and illumination
Sensor is connected, and the optical sensor is connected by two positioning telescopic rods with installation panel, the rotating wheel and peace
Dress panel is connected by bearing, and the rotating wheel outer end is machined with anti-skid chequer, in actual operation, after guide-lighting board clamping,
Staff's rotary motion wheel, rotating wheel rotation drive lead screw to move backward, and lead screw, which moves backward, drives optical sensor backward
Mobile, after optical sensor is in contact with light guide plate, staff stops rotating rotating wheel, and then same above-mentioned steps, will locate
Optical sensor immediately ahead of light guide plate is contacted with light guide plate, and illumination can be adjusted according to the light guide plate of different size by realizing
Number of sensors increases use scope.
The beneficial effects of the utility model：A kind of high speed laser cutting machine tool for the processing of LED light guide plates, the utility model
By adding limiting plate, upper mobile board, servo motor, lower movable plate, draw runner, sliding shoe, hollow plate and expansion plate, the design
Light guide plate can be clamped, light guide plate is effectively prevent to shake, improve cut quality, solution is currently used for the processing of LED light guide plates
High speed laser cutting machine tool on there is no clamping structure, when laser cutting machine is when being cut, can usually light guide plate be made to shake
It is dynamic, the problems such as leading to cut lengths error occur, reduce cut quality.
Because addition installation panel, lead screw, optical sensor, rotating wheel and positioning telescopic rod, the design realize cutting with
Detection integration, can directly be detected in cutting process, reduce the working time, improve working efficiency, while also can basis
The light guide plate of different size adjusts optical sensor quantity, increases use scope, solves to be currently used for the processing of LED light guide plates
After high speed laser cutting machine tool cuts light guide plate, then takes out light guide plate and carry out Thickness sensitivity, longevity of service, work effect again
The problems such as rate is poor.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural schematic diagram of high speed laser cutting machine tool for the processing of LED light guide plates of the utility model；
Fig. 2 is a kind of facing for the auxiliary body of high speed laser cutting machine tool for the processing of LED light guide plates of the utility model
Figure；
Fig. 3 is a kind of left view of the auxiliary body of high speed laser cutting machine tool for the processing of LED light guide plates of the utility model
Figure；
Fig. 4 is a kind of facing for the testing agency of high speed laser cutting machine tool for the processing of LED light guide plates of the utility model
Figure；
Fig. 5 is a kind of section view of the testing agency of high speed laser cutting machine tool for the processing of LED light guide plates of the utility model
Figure；
In figure：1- workbenches, 2- auxiliary bodies, 3- cuts main bodies, 4- testing agencies, 5- limiting plates, 6- upper mobile boards,
Movable plate under 7- servo motors, 8-, 9- draw runners, 10- sliding shoes, 11- hollow plates, 12- expansion plates, 13- installations panel, 14-
Bar, 15- optical sensors, 16- rotating wheels, 17- position telescopic rod.
Specific implementation mode
To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below
In conjunction with specific implementation mode, the utility model is expanded on further.
- Fig. 5 is please referred to Fig.1, the utility model provides a kind of technical solution：A kind of high speed for the processing of LED light guide plates
Laser cutting machine, including workbench 1, auxiliary body 2, cuts main body 3 and testing agency 4,1 front end of workbench are equipped with auxiliary
Help mechanism 2, auxiliary body 2 include limiting plate 5, upper mobile board 6, servo motor 7, lower movable plate 8, draw runner 9, sliding shoe 10, in
Hollow plate 11 and expansion plate 12,2 front of auxiliary body are equipped with cuts main body 3 and testing agency 4, testing agency's 4 lower end installation
It includes that installation panel 13, lead screw 14, optical sensor 15, rotating wheel 16 and positioning are flexible to have cuts main body 3, testing agency 4
Bar 17, cuts main body 3 are arranged in 1 front end of workbench.
In auxiliary body 2, there are two upper mobile board 6, servo motor 7 and lower movable plate 8 are all provided with, two upper mobile boards
6 are symmetricly set on 5 lower end of limiting plate, and 6 lower end of upper mobile board is equipped with lower movable plate 8, and lower movable plate 8 is assemblied in servo motor 7
Inner end, 5 front end of limiting plate are equipped with draw runner 9, sliding shoe 10 are equipped on draw runner 9,10 upper end of sliding shoe is equipped with hollow plate 11, hollow
11 upper end of plate is equipped with expansion plate 12, and 12 lower end of expansion plate extends into inside hollow plate 11, and hollow plate 11 is placed on limiting plate 5
End, 5 front end of limiting plate are equipped with sliding shoe 10.
In testing agency 4, lead screw 14, optical sensor 15 and rotating wheel 16 are equipped at least two, at least two
Rotating wheel 16 is placed equidistant in 13 front end of installation panel, and rotating wheel 16 is assemblied on lead screw 14, and 14 rear end of lead screw is passed equipped with illumination
Sensor 15, optical sensor 15 are mounted on 13 rear of installation panel, are held in face of installation panel 13 and be equipped with lead screw 14,14 rear end of lead screw
It is connected with optical sensor 15 across installation panel 13, panel 13 rear end is installed and is arranged with two positioning telescopic rods 17, two
A positioning telescopic rod 17 is symmetrically mounted on 15 front end of optical sensor, and two positioning telescopic rods 17 are symmetrically mounted on before and after lead screw 14
Both sides.
1 front end of workbench is equipped with sliding seat one, lead screw one and sliding seat two, and one right side of sliding seat is equipped with lead screw
One, and one right end of lead screw is equipped with sliding seat two, and one upper end of lead screw is equipped with servo motor 7, and servo motor 7 is fixed on work
1 front end of platform, cuts main body 3 are connected with lead screw one by ball nut pair, and cuts main body 3 passes through sliding seat one and sliding
Seat two is connected with workbench 1, and 1 upper end of workbench is equipped with postive stop baffle, and postive stop baffle is mounted on sliding seat one and silk
Between bar 14.
One embodiment as the utility model：10 upper end of sliding shoe is equipped with L-type connecting rod, and L-type connecting rod is installed
In 11 front end of hollow plate, 10 front end of sliding shoe is equipped with fixing bolt, and fixing bolt rear end is connected across sliding shoe 10 with draw runner 9
It connecing, limiting plate 5 is connected by draw runner 9 and sliding shoe 10 with L-type connecting rod, and expansion plate 12 is mounted on postive stop baffle lower end,
And postive stop baffle lower end is machined with sliding slot, and sliding block is installed inside sliding slot, and sliding block is arranged in 12 upper end of expansion plate, expansion plate
12 are connected by sliding and sliding slot with postive stop baffle, and 5 front end of limiting plate is machined with graduation mark, in actual operation, work
Personnel place light guide plate on workbench 1, and light guide plate left end is made to be in contact with sliding seat one, and then staff opens solid
Determine bolt, then staff is moved to the left sliding shoe 10 along draw runner 9, and sliding shoe 10, which is moved to the left, drives L-type connection to the left
Mobile, L-type connection, which is moved to the left, drives hollow plate 11 to be moved to the left, after hollow plate 11 is in contact with light guide plate, and will be guide-lighting
Plate horizontal direction is clamped, and realizes limit, effectively prevent light guide plate double swerve, improves cut quality.
One embodiment as the utility model：5 lower end of limiting plate is connected with two upper mobile boards 6 respectively by free bearing
It connects, upper mobile board 6 is connected with lower movable plate 8 by shaft, and 7 front end of servo motor is equipped with connecting pole, and connecting pole inner end is pacified
Equipped with lower movable plate 8, servo motor 7 is connected with connecting pole by reduction box, and limiting plate 5 is mounted on sliding seat one and lead screw
Between one, limiting plate 5 is mounted on sliding rail two with sliding seat one and one contact position of lead screw, and limiting plate 5 is divided by sliding rail two
It is not connected with sliding seat one and lead screw one, in practical work process, after light guide plate horizontal direction is clamped, staff
Start servo motor 7, the work of servo motor 7 drives connecting pole rotation, and connecting pole rotation drives lower movable plate 8 to rotate, and then makes
The rotation of upper mobile board 6 moves up simultaneously, and upper mobile board 6 moves up drive limiting plate 5 and moves up, and limiting plate 5 is to moving up
It is dynamic to be first in contact with light guide plate, then drive light guide plate to move upwardly together again, after light guide plate is in contact with postive stop baffle, work
Make personnel and stop servo motor 7, realization is clamped light guide plate vertical direction, realizes limit, effectively prevent before and after light guide plate
It is mobile, improve cut quality.
One embodiment as the utility model：3 front end of cuts main body is equipped with microcontroller, and one right end of sliding seat with
And 14 left end of lead screw is mounted on lamp bar, and microcontroller by connecting line respectively at least two optical sensors 15, and monolithic
Machine is connected to by serial ports on computer, and in actual operation, staff first opens lamp bar, is then started cuts main body 3, is cut
Light guide plate can be carried out cutting work by cutting the work of main body 3, while cuts main body 3 can also move down under the effect of lead screw one, cut
It cuts main body 3 and moves down drive installation panel 13 and move down, installation panel 13, which moves down, drives optical sensor 15 downward
It is mobile, so on scanning collection light guide plate each point illumination degrees of data, while optical sensor 15 transfers data to microcontroller
On, it then transfers data on computer again, then each point illuminance is directly calculated by computer, realizes cutting and detection one
Body can be directly detected in cutting process, reduce the working time, improve working efficiency.
One embodiment as the utility model：Rotating wheel 16 is connected with lead screw 14 by ball nut pair, lead screw
14 are connected by bearing with optical sensor 15, and optical sensor 15 passes through two positioning telescopic rods 17 and installation 13 phase of panel
Connection, rotating wheel 16 are connected with installation panel 13 by bearing, and 16 outer end of rotating wheel is machined with anti-skid chequer, in real work
In, after guide-lighting board clamping, staff's rotary motion wheel 16, the rotation of rotating wheel 16 drives lead screw 14 to move backward, lead screw 14
It moves backward and optical sensor 15 is driven to move backward, after optical sensor 15 is in contact with light guide plate, staff stops
Rotary motion wheel 16, then same above-mentioned steps, the optical sensor 15 being in immediately ahead of light guide plate is contacted with light guide plate, real
Now 15 quantity of optical sensor can be adjusted according to the light guide plate of different size, increase use scope.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims
All changes are embraced therein.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (8)
1. it is a kind of for LED light guide plates processing high speed laser cutting machine tool, including workbench, auxiliary body, cuts main body with
And testing agency, it is characterised in that：The workbench front end be equipped with auxiliary body, the auxiliary body include limiting plate, on
Movable plate, servo motor, lower movable plate, draw runner, sliding shoe, hollow plate and expansion plate, the auxiliary body front, which is equipped with, cuts
Main body and testing agency are cut, the testing agency lower end is equipped with cuts main body, and the testing agency includes installation panel, silk
Bar, optical sensor, rotating wheel and positioning telescopic rod, the cuts main body are arranged in workbench front end.
2. a kind of high speed laser cutting machine tool for the processing of LED light guide plates according to claim 1, it is characterised in that：
In the auxiliary body, there are two the upper mobile board, servo motor and lower movable plate are all provided with, two upper mobile boards pair
Claim to be arranged in limiting plate lower end, the upper mobile board lower end is equipped with lower movable plate, and the lower movable plate is assemblied in servo motor
Inner end, the limit front edge of board are equipped with draw runner, and sliding shoe is equipped on the draw runner, and the sliding shoe upper end is equipped with hollow plate,
The hollow plate upper end is equipped with expansion plate, and the expansion plate lower end extends into inside hollow plate, and the hollow plate is placed in limit
Position plate upper end, the limit front edge of board are equipped with sliding shoe.
3. a kind of high speed laser cutting machine tool for the processing of LED light guide plates according to claim 1, it is characterised in that：
In the testing agency, the lead screw, optical sensor and rotating wheel are equipped at least two, at least two rotating wheels
It is placed equidistant in mounting surface front edge of board, the rotating wheel is assemblied on lead screw, and the lead screw rear end is equipped with optical sensor, described
Optical sensor is mounted on installation panel rear, and the installation panel front end is equipped with lead screw, and the lead screw rear end passes through installation
Panel is connected with optical sensor, and the installation panel rear end is arranged with two positioning telescopic rods, and two positioning are stretched
Contracting bar is symmetrically mounted on optical sensor front end, and two positioning telescopic rods are symmetrically mounted on lead screw front and rear sides.
4. a kind of high speed laser cutting machine tool for the processing of LED light guide plates according to claim 1, it is characterised in that：Institute
It states workbench front end and is equipped with sliding seat one, lead screw one and sliding seat two, and one right side of sliding seat is equipped with lead screw one, and lead screw
One right end is equipped with sliding seat two, and one upper end of lead screw is equipped with servo motor, and servo motor is fixed on workbench front end, institute
Cuts main body is stated with lead screw one to be connected by ball nut pair, the cuts main body by sliding seat one and sliding seat two with
Workbench is connected, and the workbench upper end is equipped with postive stop baffle, and postive stop baffle be mounted on sliding seat one and lead screw it
Between.
5. a kind of high speed laser cutting machine tool for the processing of LED light guide plates according to claim 2, it is characterised in that：Institute
It states sliding shoe upper end and is equipped with L-type connecting rod, and L-type connecting rod is mounted on hollow front edge of board, the sliding shoe front end, which is equipped with, to be fixed
Bolt, and fixing bolt rear end is connected across sliding shoe with draw runner, the limiting plate is connected by draw runner and sliding shoe with L-type
Extension bar is connected, and the expansion plate is mounted on postive stop baffle lower end, and postive stop baffle lower end is machined with sliding slot, and peace inside sliding slot
Equipped with sliding block, and sliding block setting, in expansion plate upper end, the expansion plate is connected by sliding and sliding slot with postive stop baffle, institute
It states limit front edge of board and is machined with graduation mark.
6. a kind of high speed laser cutting machine tool for the processing of LED light guide plates according to claim 2, it is characterised in that：Institute
It states limiting plate lower end by free bearing to be respectively connected with two upper mobile boards, the upper mobile board passes through shaft phase with lower movable plate
Connection, the servo motor front end are equipped with connecting pole, and connecting pole inner end is equipped with lower movable plate, the servo motor with connect
Column is connected by reduction box, and the limiting plate is mounted between sliding seat one and lead screw one, the limiting plate and sliding seat
One and one contact position of lead screw be mounted on sliding rail two, the limiting plate by sliding rail two respectively with sliding seat one and lead screw
One is connected.
7. a kind of high speed laser cutting machine tool for the processing of LED light guide plates according to claim 1, it is characterised in that：Institute
It states cuts main body front end and microcontroller is installed, and one right end of sliding seat and lead screw left end are mounted on lamp bar, and microcontroller is logical
Connecting line is crossed respectively at least two optical sensors, and microcontroller is connected to by serial ports on computer.
8. a kind of high speed laser cutting machine tool for the processing of LED light guide plates according to claim 1, it is characterised in that：Institute
It states rotating wheel with lead screw to be connected by ball nut pair, the lead screw is connected by bearing with optical sensor, the light
It is connected with installation panel by two positioning telescopic rods according to sensor, the rotating wheel is connected with installation panel by bearing
It connects, the rotating wheel outer end is machined with anti-skid chequer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721869775.8U CN207914804U (en) | 2017-12-28 | 2017-12-28 | A kind of high speed laser cutting machine tool for the processing of LED light guide plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721869775.8U CN207914804U (en) | 2017-12-28 | 2017-12-28 | A kind of high speed laser cutting machine tool for the processing of LED light guide plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207914804U true CN207914804U (en) | 2018-09-28 |
Family
ID=63607903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721869775.8U Active CN207914804U (en) | 2017-12-28 | 2017-12-28 | A kind of high speed laser cutting machine tool for the processing of LED light guide plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207914804U (en) |
-
2017
- 2017-12-28 CN CN201721869775.8U patent/CN207914804U/en active Active
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