CN210678144U

CN210678144U - Light guide plate injection moulding edge grinding device

Info

Publication number: CN210678144U
Application number: CN201921602290.1U
Authority: CN
Inventors: 胡浪
Original assignee: Suzhou Xianghai Mould Technology Co Ltd
Current assignee: Suzhou Xianghai Mould Technology Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-06-05
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a light guide plate injection moulding edge grinding device, including bearing bottom plate, vacuum chuck, slider locating piece, layer board slider, grinding utensil and triaxial numerically controlled fraise machine, bearing bottom plate is rectangle platelike structure, it has bottom plate indent, bottom plate dovetail and T-slot to open on the bearing bottom plate, vacuum chuck is located bearing bottom plate's upper surface, vacuum chuck passes through T-shaped piece, threaded shaft, nut, cushion and clamp plate and is fixed with bearing bottom plate, the bottom plate dovetail is equipped with two and the contained angle is the right angle, the bottom plate dovetail is along bearing bottom plate's diagonal, the bottom surface of T-slot and bottom plate indent is coplanar and inner space intercommunication, inside slider locating piece and the layer board slider of being provided with of bottom plate dovetail, vacuum chuck assists fixedly through the T-slot. This light guide plate injection moulding edge grinding device has good fixed uniformity, is fit for generally using widely.

Description

Light guide plate injection moulding edge grinding device

Technical Field

The utility model belongs to the technical field of the light guide plate, concretely relates to light guide plate injection moulding edge grinding device.

Background

The light guide plate is characterized in that light guide points are printed on the bottom surface of an optical acrylic plate by using an optical acrylic/PC plate and then using a high-tech material with extremely high refractive index and no light absorption through laser engraving, V-shaped cross grid engraving and UV screen printing technologies. The optical-grade acrylic sheet is used for absorbing the light emitted from the lamp to stay on the surface of the optical-grade acrylic sheet, when the light irradiates each light guide point, the reflected light can be diffused towards each angle, and then the reflected light is damaged and is emitted from the front surface of the light guide plate.

The burr or the edge of the light guide plate often need to be handled in the manufacturing of the light guide plate, the manual processing is great in labor burden of workers, a vacuum chuck is usually adopted for adsorption in the processing of a machine tool, the problem of complex tool setting exists in the mode, the unprocessed surface originally in contact with the workbench needs to be placed on the upper side for secondary clamping and repeated one time after the edge of the surface is processed, the efficiency is low, and the precision is influenced by the secondary clamping.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a light guide plate injection moulding edge grinding device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a light guide plate injection moulding edge grinding device, includes bearing bottom plate, vacuum chuck, slider locating piece, layer board slider, grinding utensil and triaxial numerically controlled fraise machine, bearing bottom plate is rectangle platelike structure, it has bottom plate indent, bottom plate dovetail and T-slot to open on the bearing bottom plate, vacuum chuck is located the upper surface of bearing bottom plate, vacuum chuck passes through T-shaped piece, screw shaft, nut, cushion and clamp plate and is fixed with bearing bottom plate, the bottom plate dovetail is equipped with two and the contained angle is the right angle, the bottom plate dovetail is along the diagonal of bearing bottom plate, the bottom surface in T-slot and bottom plate indent is coplanar and inner space intercommunication, inside slider locating piece and the layer board slider of being provided with of bottom plate dovetail.

Preferably, the vacuum chuck is fixed by the aid of a T-shaped groove, a T-shaped block for fixing the vacuum chuck is located in the T-shaped groove, the fixing mode of the vacuum chuck refers to the fixing mode of a clamp plate used by a bench vice on a workbench of an existing numerical control machine tool, and the clamp plate is pressed in a plate clamp groove of the vacuum chuck.

Preferably, the bearing bottom plate is fixed on the workbench of the three-axis numerically-controlled milling machine, the bearing bottom plate is pressed on the upper surface of the bottom plate pressure groove through the pressure plate and fixed on the workbench of the three-axis numerically-controlled milling machine, and the fixing mode of the bearing bottom plate refers to the fixing mode of a bench vice on the workbench of the existing numerically-controlled milling machine for using the pressure plate.

Preferably, the slider positioning block is strip-shaped, the cross section of the slider positioning block is identical to the cross section profile of the dovetail groove of the bottom plate, a threaded hole is formed in the slider positioning block, and the threaded hole in the slider positioning block penetrates through the adjacent part of the slider positioning block.

Preferably, the support plate sliding block is of a rectangular block structure, a bearing position is formed above the support plate sliding block, a side edge hole is formed in the bearing position, a sliding strip is arranged below the support plate sliding block, a threaded hole is formed in the sliding strip, the shape of the sliding strip refers to the shape of a sliding block positioning block, and the top plane of the bearing position and the top plane of the vacuum chuck are located on the same plane.

Preferably, the shape of the grinding tool refers to the existing milling cutter, the grinding tool is clamped on a cutter handle of a three-axis numerical control milling machine, the grinding tool and the grinding head are of an integrated structure, and two groups of forty-five degree conical surfaces of the grinding head are coated with carborundum coatings.

The utility model discloses a technological effect and advantage: the light guide plate injection molding edge polishing device is fixed by the vacuum chuck in an adsorption manner, the position is limited by the supporting plate sliding block, the light guide plate is located at the same position when being fixed each time, and then the supporting plate sliding block can be dismounted after the vacuum chuck is fixed, so that the problem of interference on the work of a polishing tool on a machine tool spindle does not exist; the carborundum coatings on the two cambered surfaces of the grinding tool grind the upper side edge and the lower side edge of the light guide plate respectively, the grinding work on the two sides of the upper side is finished together, the problem of secondary clamping does not exist, and the operation steps are reduced while the precision is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the light guide plate according to the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic view of the structure of the supporting bottom plate of the present invention;

FIG. 5 is a schematic view of the vacuum chuck structure of the present invention;

FIG. 6 is a schematic structural view of the pallet slider of the present invention;

fig. 7 is a schematic view of the structure of the grinding tool of the present invention.

In the figure: 1 supporting bottom plate, 101 bottom plate press groove, 102 bottom plate dovetail groove, 103T-shaped groove, 2 vacuum chuck, 201 plate press plate groove, 3 slide block positioning block, 4 supporting plate slide block, 401 supporting part, 402 edge hole, 403 slide bar, 5 grinding tool, 501 carborundum coating and 502 grinding head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an edge polishing device for injection molding of a light guide plate as shown in figures 1-7, which comprises a supporting bottom plate 1, a vacuum chuck 2, a slide block positioning block 3, a supporting plate slide block 4, a grinding tool 5 and a three-axis numerical control milling machine, the bearing bottom plate 1 is in a rectangular plate-shaped structure, a bottom plate pressure groove 101, a bottom plate dovetail groove 102 and a T-shaped groove 103 are formed on the bearing bottom plate 1, the vacuum chuck 2 is positioned on the upper surface of the bearing bottom plate 1, the vacuum chuck 2 is fixed with the bearing bottom plate 1 through a T-shaped block, a threaded shaft, a nut, a cushion block and a pressing plate, the bottom plate dovetail grooves 102 are arranged in two forms with right angles, the bottom plate dovetail grooves 102 are along the diagonal line of the bearing bottom plate 1, the bottom surfaces of the T-shaped groove 103 and the bottom plate pressure groove 101 are in the same plane, the inner spaces of the T-shaped groove and the bottom plate pressure groove are communicated, and a sliding block positioning block 3 and a supporting plate sliding block 4 are arranged in the bottom plate dovetail groove 102.

Specifically, vacuum chuck 2 assists fixedly through T-shaped groove 103, and is fixed vacuum chuck 2's T-shaped piece is located inside T-shaped groove 103, vacuum chuck 2's fixed mode refers to the fixed mode that the bench vice on the workstation of current digit control machine tool used the clamp plate, and the clamp plate is pressed inside vacuum chuck 2's dish clamp plate groove 201, and vacuum chuck 2 adsorbs fixed light guide plate.

Specifically, bearing bottom plate 1 is fixed on three-axis numerically controlled fraise machine's workstation, bearing bottom plate 1 passes through the clamp plate and presses at bottom plate indent 101 upper surface and fix on three-axis numerically controlled fraise machine's workstation, bearing bottom plate 1's fixed mode refers to the fixed mode that the bench vice on the workstation of current digit controlled machine tool used the clamp plate, and bearing bottom plate 1 is connected with three-axis numerically controlled fraise machine.

Specifically, the slider positioning block 3 is in a long strip shape, the cross section of the slider positioning block 3 is the same as the cross section profile of the bottom plate dovetail groove 102, a threaded hole is formed in the slider positioning block 3, the threaded hole in the slider positioning block 3 penetrates through the portion of the slider positioning block 3 adjacent to the threaded hole, and the slider positioning block 3 limits the position of the supporting plate slider 4.

Specifically, layer board slider 4 is rectangle block structure, it has bearing department 401 to open 4 tops of layer board slider, it has limit arris hole 402 to open in bearing department 401, layer board slider 4 below is equipped with draw runner 403, it has the screw hole to open on the draw runner 403, the shape of draw runner 403 refers to the shape of slider locating piece 3, the top plane of bearing department 401 and the top plane of vacuum chuck 2 are located the coplanar, and vacuum chuck 2 can adsorb the lower surface of light guide plate when the light guide plate is located bearing department 401 top.

Specifically, the shape of the grinding tool 5 refers to the existing milling cutter, the grinding tool 5 is clamped on a cutter handle of a three-axis numerical control milling machine, the grinding tool 5 and the grinding head 502 are of an integrated structure, two groups of forty-five degree conical surfaces of the grinding head 502 are coated with diamond coatings 501, and the diamond coatings 501 grind the edge of the light guide plate.

Specifically, in the light guide plate injection molding edge polishing device, two groups of diamond coatings 501 on the forty-five degree conical surfaces of a polishing head 502 are respectively contacted with two edges of the edge of a light guide plate, the running track of the polishing head 502 is set according to the edge profile of the light guide plate, the first light guide plate is fixed by firstly adjusting four groups of supporting plate sliders 4 to proper positions and contacting with four corners of the light guide plate, then fixing the supporting plate sliders 4 by screws penetrating through threaded holes on a slide bar 403, then detaching the light guide plate to tightly attach four groups of slider positioning blocks 3 to the adjacent supporting plate sliders 4, then fixing the slider positioning blocks 3 in the adjacent bottom plate dovetail grooves 102 by screws, placing the light guide plate back between the supporting plate sliders 4 after completing, then adsorbing and fixing the light guide plate by a vacuum chuck 2, at the moment, the positioning blocks 3 have completed the positioning work of the supporting plate sliders 4, and the supporting plate sliders 4 are, then, screws of the supporting plate sliding blocks 4 are dismounted to remove the supporting plate sliding blocks 4, at the moment, a program of a three-axis numerical control milling machine is started to carry out edge processing on the light guide plate, after the processing is finished, the vacuum suction cups 2 are removed from adsorption and fixed to take out the light guide plate, then the four groups of supporting plate sliding blocks 4 are installed back to the supporting bottom plate 1 to be fixed, a new light guide plate to be processed is placed on the supporting positions 401 of the supporting plate sliding blocks 4, after the positions are determined and the vacuum suction cups 2 are started again to adsorb, the supporting plate sliding blocks 4 are removed to carry.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a light guide plate injection moulding edge grinding device, includes bearing bottom plate (1), vacuum chuck (2), slider locating piece (3), layer board slider (4), grinding utensil (5) and triaxial numerically controlled fraise machine, its characterized in that: bearing bottom plate (1) is rectangle platelike structure, it has bottom plate indent (101), bottom plate dovetail (102) and T-shaped groove (103) to open on bearing bottom plate (1), vacuum chuck (2) are located the upper surface of bearing bottom plate (1), vacuum chuck (2) are fixed with bearing bottom plate (1) through T-shaped piece, screw shaft, nut, cushion and clamp plate, bottom plate dovetail (102) are equipped with two and the contained angle is the right angle, bottom plate dovetail (102) are along the diagonal of bearing bottom plate (1), the bottom surface of T-shaped groove (103) and bottom plate indent (101) is coplanar and inner space intercommunication, inside slider locating piece (3) and the layer board slider (4) of being provided with of bottom plate dovetail (102).

2. The light guide plate injection molding edge grinding device of claim 1, wherein: the vacuum chuck (2) is assisted to be fixed through a T-shaped groove (103), a T-shaped block of the vacuum chuck (2) is fixed to be positioned in the T-shaped groove (103), the fixing mode of the vacuum chuck (2) refers to the fixing mode of a clamp plate used by a bench vice on a workbench of an existing numerical control machine tool, and the clamp plate is pressed in a plate clamp plate groove (201) of the vacuum chuck (2).

3. The light guide plate injection molding edge grinding device of claim 1, wherein: bearing bottom plate (1) is fixed on three-axis numerically controlled fraise machine's workstation, bearing bottom plate (1) is pressed at bottom plate indent (101) upper surface through the clamp plate and is fixed on three-axis numerically controlled fraise machine's workstation, the fixed mode of bearing bottom plate (1) refers to the fixed mode that the bench vice on the workstation of current digit controlled machine tool used the clamp plate.

4. The light guide plate injection molding edge grinding device of claim 1, wherein: the sliding block positioning block (3) is long-strip-shaped, the cross section of the sliding block positioning block (3) is identical to the cross section of the bottom plate dovetail groove (102), a threaded hole is formed in the sliding block positioning block (3), and the threaded hole in the sliding block positioning block (3) penetrates through the adjacent sliding block positioning block (3).

5. The light guide plate injection molding edge grinding device of claim 1, wherein: the bearing plate sliding block (4) is of a rectangular block structure, a bearing position (401) is arranged above the bearing plate sliding block (4), a side edge hole (402) is formed in the bearing position (401), a sliding strip (403) is arranged below the bearing plate sliding block (4), a threaded hole is formed in the sliding strip (403), the shape of the sliding strip (403) refers to the shape of a sliding block positioning block (3), and the top plane of the bearing position (401) and the top plane of the vacuum sucker (2) are located on the same plane.

6. The light guide plate injection molding edge grinding device of claim 1, wherein: the shape of the grinding tool (5) refers to the existing milling cutter, the grinding tool (5) is clamped on a cutter handle of a three-axis numerical control milling machine, the grinding tool (5) and a grinding head (502) are of an integrated structure, and two groups of forty-five degree conical surfaces of the grinding head (502) are coated with diamond coatings (501).