CN212191698U - Light guide plate laser dotting machine - Google Patents

Light guide plate laser dotting machine Download PDF

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Publication number
CN212191698U
CN212191698U CN202020145839.5U CN202020145839U CN212191698U CN 212191698 U CN212191698 U CN 212191698U CN 202020145839 U CN202020145839 U CN 202020145839U CN 212191698 U CN212191698 U CN 212191698U
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CN
China
Prior art keywords
fixed
platform
laser
light guide
guide plate
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Active
Application number
CN202020145839.5U
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Chinese (zh)
Inventor
胡鹏
石蓉
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Suzhou Lanmao Electronic Technology Co ltd
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Suzhou Lanmao Electronic Technology Co ltd
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Priority to CN202020145839.5U priority Critical patent/CN212191698U/en
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Abstract

The utility model provides a light guide plate laser dotter, which comprises a first fixed rack, a second fixed rack, a positioning platform, a platform driving piece and a cover hole plate adjusting piece, wherein a negative pressure cavity is arranged in the positioning platform, a plurality of adsorption holes which are communicated with the top side of the positioning platform are uniformly arranged at the top of the negative pressure cavity, and the negative pressure cavity is connected with a negative pressure fan through an adsorption pipeline; the apron board regulating part includes two sets of fixed frame and two sets of lid clamp plates, and the platform driving piece includes first lead screw, pushes away platform and drive block, still is equipped with logical groove on the first fixed rack, and one side of location platform still is fixed with the locating piece that sets up with the drive block one-to-one, is equipped with the locating hole that supplies the drive block to pass in the locating piece, and the bottom of pushing away the platform still is equipped with spacing slider, still is equipped with the spacing spout with spacing slider sliding fit on the second fixed rack, the utility model discloses can adapt to the light guide plate of different sizes and get ready, and can also improve the stationarity of adsorbing fixed homogeneity and motion, improve and get ready the precision.

Description

Light guide plate laser dotting machine
Technical Field
The utility model relates to a laser dotting machine, especially a light guide plate laser dotting machine.
Background
At present, methods for manufacturing scattering dots of a light guide plate include a mold forming method, an ink printing method, a laser processing method, and the like. The laser processing is a non-contact processing mode, has the advantages of high energy, good directivity, high coherence, small heat affected zone and the like, is favored in the industrial processing field, the existing laser method mainly transfers a designed dot distribution diagram into a light guide plate laser dotting machine, then controls the laser irradiation position or unit output energy according to the distribution diagram, engraves dot distribution which is in accordance with a design diagram on a carving surface through instant gasification of the irradiated position, thereby completing the manufacture of the light guide plate, a processing platform for bearing the light guide plate is taken as an important component for laser dotting, and the moving stability and the fixed reliability of the processing platform are taken as an important reference standard for measuring that the light guide plate can be processed with higher quality precision.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a light guide plate laser dotter through can adapt to the not light guide plate of unidimensional size and beat the basis of dotting, can also improve the stationarity that adsorbs fixed homogeneity and motion to further eliminate mechanical vibration lead screw thread precision error to processing platform's influence, thereby improve and beat the precision.
The utility model provides a following technical scheme:
a light guide plate laser dotter comprises a first fixed rack, a second fixed rack, a positioning platform, a platform driving piece and a cover plate adjusting piece, wherein the positioning platform is connected to the first fixed rack in a sliding mode and is internally provided with a negative pressure cavity, the top of the negative pressure cavity is uniformly provided with a plurality of adsorption holes penetrating through the top side of the positioning platform, and the negative pressure cavity is connected with a negative pressure fan through an adsorption pipeline; the cover hole plate adjusting piece comprises two groups of fixed frames which are fixed on the positioning platform and positioned at two sides of the adsorption hole and two groups of cover pressing plates which are covered on the positioning platform and can move oppositely to cover and press the adsorption hole, the bottom side of each fixed frame is provided with a cover pressing slide block, the top side of each cover pressing plate is provided with a cover pressing slide groove which is in sliding connection with the cover pressing slide block, and one end of each group of fixed frames is also fixed with a horizontal positioning plate; the platform driving piece is including erectting the first lead screw on the second fixed rack, threaded connection pushes away the platform on first lead screw and fixes at least a set of drive block on pushing away the platform, the one end drive of first lead screw is connected with first driving motor, still be provided with the logical groove that supplies the drive block one-to-one to pass on the first fixed rack, one side that locating platform deviates from horizontal positioning board still is fixed with the locating piece that sets up with the drive block one-to-one, be equipped with the locating hole that supplies the drive block to pass in the locating piece, the bottom that pushes away the platform still is equipped with limit slide, still be equipped with on the second fixed rack with limit slide sliding groove of limit slide sliding block sliding.
Preferably, the laser dotting machine further comprises a laser dotting mechanism, the laser dotting machine comprises a laser rack positioned above the positioning platform, a base station fixed on the laser rack, a second lead screw erected on the base station, a laser adjusting seat in threaded connection with the second lead screw, and a laser installed on the laser adjusting seat and arranged towards the positioning platform, one end of the second lead screw is driven by a second driving motor to be connected, and the laser adjusting seat is connected to the base station in a sliding mode.
Preferably, the first screw rod is erected and fixed on the second fixed rack through a first bearing with a seat, and the second screw rod is erected and fixed on the base through a second bearing with a seat.
Preferably, the bottom of the positioning platform is provided with a T-shaped sliding block, and the first fixed rack is provided with a T-shaped sliding groove in sliding fit with the T-shaped sliding block.
Preferably, a group of driving blocks is arranged on the pushing table.
The utility model has the advantages that: because the top of the negative pressure cavity is provided with a plurality of adsorption holes, and the positioning platform is also provided with two groups of cover pressing plates which can be adapted to different sizes, the light guide plate in the middle can be kept horizontal, the transverse flatness and the vertical performance of dotting are ensured, and meanwhile, the adsorption holes are uniformly positioned at the bottom side of the light guide plate, so that the adsorption force at different positions of the light guide plate can be improved to be more uniform, and the edge warping is avoided; and when dotting, because first lead screw sets up on the second fixed rack, threaded connection is provided with the drive block on the push bench on first lead screw simultaneously, the drive block passes through the logical groove, the cooperation passes the locating hole in the locating piece, first lead screw is rotatory this moment, can drive the drive block, the locating piece promotes the location platform and removes, because first lead screw and first driving motor fix on the second fixed rack, and the location platform slides and sets up on first fixed rack, the drive block is for passing the locating piece setting simultaneously, consequently can greatly reduced first lead screw and first driving motor machinery when moving, to the influence of location platform slip in-process, thereby can also improve the stationarity of motion, improve the precision of dotting.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a top sectional view of the present invention;
FIG. 2 is a front sectional view of the present invention;
FIG. 3 is a schematic structural view of a second stationary gantry;
FIG. 4 is a schematic structural view of a positioning platform;
FIG. 5 is a schematic view of the construction of the cover plate adjuster;
FIG. 6 is a schematic structural view of a pushing table;
FIG. 7 is a schematic view of the positioning block;
notation in the figure: 1 is the light guide plate, 2 is first fixed rack, 3 is the second fixed rack, 4 is positioning platform, 5 is the absorption hole, 6 is the absorption pipeline, 7 is negative-pressure air fan, 8 is fixed frame, 9 is the lid clamp plate, 10 is the lid and presses the spout, 11 is the horizontal location board, 12 is first lead screw, 13 is for pushing away the platform, 14 is the drive block, 15 is logical groove, 16 is the locating piece, 17 is the locating hole, 18 is spacing slider, 19 is spacing spout, 20 is the laser rack, 21 is the base station, 22 is the second lead screw, 23 is the laser regulation seat, 24 is the laser instrument, 25 is second driving motor.
Detailed Description
With reference to fig. 1 to 7, in this embodiment, the light guide plate laser dotter includes a first fixing rack 2, a second fixing rack 3, a positioning platform 4, a platform driving member and a cover plate adjusting member, wherein the positioning platform 4 is slidably connected to the first fixing rack 2, and a negative pressure chamber is arranged in the positioning platform, the top of the negative pressure chamber is uniformly provided with a plurality of adsorption holes 5 penetrating through the top side of the positioning platform 4, and the negative pressure chamber is connected to a negative pressure fan 7 through an adsorption pipeline 6; the cover hole plate adjusting part comprises two groups of fixed frames 8 which are fixed on the positioning platform 4 and positioned at two sides of the adsorption hole 5 and two groups of cover pressing plates 9 which are covered on the positioning platform 4 and can move oppositely to cover and press the adsorption hole 5, a cover pressing slide block is arranged at the bottom side of each fixed frame 8, a cover pressing slide groove 10 which is connected with the cover pressing slide block in a sliding way is arranged at the top side of each cover pressing plate 9, and a horizontal positioning plate 11 is further fixed at one end of each group of fixed frames 8; the platform driving piece comprises a first screw rod 12 erected on the second fixed rack 3, a pushing table 13 connected to the first screw rod 12 in a threaded mode and at least one group of driving blocks 14 fixed on the pushing table 13, one end of the first screw rod 12 is connected with a first driving motor in a driving mode, a through groove 15 allowing the driving blocks 14 to penetrate in a one-to-one correspondence mode is further formed in the first fixed rack 2, a positioning block 16 arranged in a one-to-one correspondence mode and corresponding to the driving blocks 14 is further fixed on one side, deviating from the horizontal positioning plate 11, of the positioning platform 4, a positioning hole 17 allowing the driving blocks 14 to penetrate is formed in the positioning block 16, a limiting slide block 18 is further arranged at the bottom of the pushing table 13, and a limiting slide groove 19 in sliding fit.
Still including the laser mechanism of dotting, the laser of dotting is including being located the laser rack 20 of positioning platform 4 top, fix the base station 21 on laser rack 20, erect second lead screw 22 on base station 21, threaded connection adjusts the seat 23 and installs the laser instrument 24 towards positioning platform 4 setting on laser regulation seat 23 on second lead screw 22, second lead screw 22's one end is passed through the drive of second driving motor 25 and is linked to each other, and laser regulation seat 23 sliding connection is on base station 21.
The first lead screw 12 is fixed on the second fixed rack 3 by a first bearing with a seat, and the second lead screw 22 is fixed on the base 21 by a second bearing with a seat.
The bottom of the positioning platform 4 is provided with a T-shaped sliding block, and the first fixed rack 2 is provided with a T-shaped sliding chute in sliding fit with the T-shaped sliding block.
A group of driving blocks 14 are arranged on the pushing platform 13.
The utility model discloses a theory of operation is: because the top of the negative pressure cavity is provided with a plurality of adsorption holes 5, and meanwhile, two groups of cover pressing plates 9 which can adapt to different sizes are also arranged on the positioning platform 4, the light guide plate 1 in the middle can be kept horizontal, the transverse flatness and the vertical performance of dotting are ensured, and meanwhile, the adsorption holes 5 are uniformly positioned at the bottom side of the light guide plate 1, so that the adsorption force of different positions of the light guide plate 1 can be improved to be more uniform, the edge warping is avoided, after the light guide plate 1 is placed on the positioning platform 4, the two groups of cover pressing plates 9 are oppositely pushed to be abutted against the two sides of the light guide plate 1, one end of the light guide plate 1 is abutted against the horizontal positioning plate 11, the other end of the light guide plate 1 is sequentially abutted against another light guide plate 1, the light guide plate 1 is sequentially arranged until the adsorption holes 5 are completely; and when dotting, because the first screw rod 12 is arranged on the second fixed rack 3, and the driving block 14 is arranged on the pushing platform 13 which is in threaded connection with the first screw rod 12, the driving block 14 passes through the through groove 15 and is matched with and passes through the positioning hole 17 in the positioning block 16, at this moment, the first screw rod 12 rotates to drive the driving block 14 and the positioning block 16 to push the positioning platform 4 to move, because the first screw rod 12 and the first driving motor are fixed on the second fixed rack 3, and the positioning platform 4 is arranged on the first fixed rack 2 in a sliding manner, and the driving block 14 is arranged by passing through the positioning block 16, the influence on the positioning platform 4 in the sliding process when the first screw rod 12 and the first driving motor are mechanically operated can be greatly reduced, so that the motion stability can be improved, and the dotting precision is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A light guide plate laser dotter is characterized by comprising a first fixed rack, a second fixed rack, a positioning platform, a platform driving piece and a cover hole plate adjusting piece, wherein the positioning platform is connected to the first fixed rack in a sliding mode and is internally provided with a negative pressure cavity, a plurality of adsorption holes penetrating through the top side of the positioning platform are uniformly formed in the top of the negative pressure cavity, and the negative pressure cavity is connected with a negative pressure fan through an adsorption pipeline;
the cover hole plate adjusting part comprises two groups of fixed frames which are fixed on the positioning platform and positioned at two sides of the adsorption hole and two groups of cover pressing plates which are covered on the positioning platform and can move oppositely to cover and press the adsorption hole, a cover pressing slide block is arranged at the bottom side of the fixed frame, a cover pressing slide groove which is in sliding connection with the cover pressing slide block is arranged at the top side of the cover pressing plate, and a horizontal positioning plate is fixed at one end of each group of fixed frames;
the platform driving piece is including erectting first lead screw, threaded connection on the second fixed rack push away the platform and fix on the first lead screw push away the bench and fix push away the bench at least a set of drive block, the one end drive of first lead screw is connected with a driving motor, still be provided with the confession on the first fixed rack the logical groove that the drive block one-to-one passed, location platform deviates from one side of horizontal positioning board still be fixed with the locating piece that the drive block one-to-one set up, be equipped with the confession in the locating piece the locating hole that the drive block passed, the bottom of pushing away the platform still is equipped with limit slide, still be equipped with on the second fixed rack with limit slide block sliding fit's spacing spout.
2. The light guide plate laser dotting machine according to claim 1, further comprising a laser dotting mechanism, wherein the laser dotting mechanism comprises a laser rack located above the positioning platform, a base fixed on the laser rack, a second lead screw erected on the base, a laser adjusting seat in threaded connection with the second lead screw, and a laser installed on the laser adjusting seat and facing the positioning platform, one end of the second lead screw is connected with the laser adjusting seat through a second driving motor, and the laser adjusting seat is connected with the base in a sliding manner.
3. The light guide plate laser dotting machine according to claim 2, wherein the first lead screw is fixed on the second fixing rack through a first bearing frame with a seat, and the second lead screw is fixed on the base through a second bearing frame with a seat.
4. The light guide plate laser dotting machine according to claim 1, wherein a T-shaped slider is disposed at the bottom of the positioning platform, and a T-shaped sliding slot slidably engaged with the T-shaped slider is disposed on the first fixing rack.
5. The light guide plate laser dotting machine according to claim 1, wherein the driving blocks on the pushing table are in a group.
CN202020145839.5U 2020-01-21 2020-01-21 Light guide plate laser dotting machine Active CN212191698U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020145839.5U CN212191698U (en) 2020-01-21 2020-01-21 Light guide plate laser dotting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020145839.5U CN212191698U (en) 2020-01-21 2020-01-21 Light guide plate laser dotting machine

Publications (1)

Publication Number Publication Date
CN212191698U true CN212191698U (en) 2020-12-22

Family

ID=73810532

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020145839.5U Active CN212191698U (en) 2020-01-21 2020-01-21 Light guide plate laser dotting machine

Country Status (1)

Country Link
CN (1) CN212191698U (en)

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