阅读说明：本技术 导光板定位装置及印刷方法 (Light guide plate positioning device and printing method ) 是由 黄胜 李财斌 林静洋 于 2021-07-13 设计创作，主要内容包括：本发明提供了一种导光板定位装置及印刷方法,属于灯具生产技术领域,包括承托底板、设置在承托底板上方的翻转板、以及多个设置在翻转板上的定位凹槽,定位凹槽贯穿翻转板设置,定位凹槽与承托底板的顶面组成用于定位容纳导光板的定位空间,承托底板上还设置有用于定位翻转板的定位单元。本发明提供的导光板定位装置及印刷方法,通过将翻转板盖设在承托底板上,使定位凹槽与承托底板的顶面组成用于定位容纳导光板的定位空间,在对尺寸较小的导光板时,可以将多个导光板均放置在定位空间内部,并且通过定位单元将承托底板与翻转板进行定位,可以实现同时对多个导光板进行网点印刷,提高了导光板的印刷加工效率和同时也降低了印刷的成本。(The invention provides a light guide plate positioning device and a printing method, which belong to the technical field of lamp production and comprise a bearing bottom plate, a turnover plate arranged above the bearing bottom plate and a plurality of positioning grooves arranged on the turnover plate, wherein the positioning grooves penetrate through the turnover plate, the positioning grooves and the top surface of the bearing bottom plate form a positioning space for positioning and containing a light guide plate, and a positioning unit for positioning the turnover plate is also arranged on the bearing bottom plate. According to the light guide plate positioning device and the printing method provided by the invention, the turnover plate is covered on the bearing bottom plate, so that the positioning groove and the top surface of the bearing bottom plate form a positioning space for positioning and accommodating the light guide plate, when the light guide plate with a smaller size is subjected to positioning, a plurality of light guide plates can be placed in the positioning space, and the bearing bottom plate and the turnover plate are positioned through the positioning unit, so that the mesh point printing can be simultaneously performed on the plurality of light guide plates, the printing processing efficiency of the light guide plates is improved, and the printing cost is also reduced.)

1. The utility model provides a light guide plate positioner, its characterized in that is in including bearing bottom plate, setting the returning face plate and a plurality of setting of bearing bottom plate top are in positioning groove on the returning face plate, positioning groove runs through the returning face plate sets up, positioning groove constitutes the location space that is used for fixing a position to hold the light guide plate with the top surface of bearing bottom plate, still be provided with the positioning unit who is used for fixing a position the returning face plate on the bearing bottom plate.

2. The light guide plate positioning device according to claim 1, wherein the positioning units comprise a plurality of positioning posts disposed on the supporting base plate and positioning holes disposed on the turnover plate and matching with the positioning posts in position and shape, and top surfaces of the positioning posts protrude from the turnover plate.

3. The light guide plate positioning device according to claim 2, wherein the positioning holes are disposed outside the positioning grooves, and the positioning holes are disposed at four corners of the flip plate.

4. The light guide plate positioning device of claim 1, wherein a relief notch is further provided on a side surface of the supporting base plate for facilitating separation of the turnover plate from the supporting base plate.

5. The light guide plate positioning device according to claim 4, wherein the number of the abdicating notches is two, and the abdicating notches are respectively disposed on two opposite side surfaces of the supporting substrate.

6. The light guide plate positioning device of claim 1, wherein one side of the turnover plate is hinged to the support base plate, and a rotary hinge is further disposed between the turnover plate and the support base plate.

7. A printing method of a light guide plate is characterized by comprising the following steps:

manufacturing a multi-hole silk screen printing plate, after arranging a plurality of light guide plates at intervals, manufacturing a silk screen printing plate with a printing area and a light guide plate arrangement corresponding to each other according to the arrangement sequence of the light guide plates, and manufacturing positioning marks on the silk screen printing plate;

installing a screen printing plate, namely installing the screen printing plate on a specified position of printing equipment;

cleaning and installing the light guide plate, tearing off the protective film of the light guide plate, sequentially placing the light guide plate in a positioning groove on a positioning device after the light guide plate is cleaned, and placing the positioning device below the silk screen;

printing the light guide plate, namely uniformly coating ink on a silk screen by using printing equipment, printing the ink on the light guide plate through a printing area on a silk screen plate, and pouring out the light guide plate by opening a bearing bottom plate and a turnover plate;

and (5) drying the IR furnace, and conveying the printed light guide plate to the IR furnace to dry the light guide plate.

8. The printing method for light guide plate according to claim 7, wherein the step of manufacturing the multi-hole screen printing plate and the step of mounting the screen printing plate further comprises the following steps:

and (3) manufacturing a positioning device, cutting the plates with the same size to be used as a turnover plate and a bearing bottom plate respectively, machining positioning grooves in the turnover plate according to the arrangement of the light guide plates, and combining the turnover plate and the bearing bottom plate.

9. The printing method for light guide plates according to claim 8, wherein in the step of manufacturing the positioning device, the turnover plate, the supporting bottom plate and the positioning grooves are all processed by laser cutting.

10. The printing method for light guide plates according to claim 7, wherein the positioning device and the screen printing plate are positioned by the positioning marks and the positioning posts during the cleaning and mounting steps of the light guide plates.

Technical Field

The invention belongs to the technical field of lamp production, and particularly relates to a light guide plate positioning device and a printing method.

Background

The light guide plate is made of optical acrylic/PC plate and then high-tech materials with high refractive index and no light absorption are used for printing light guide points on the bottom surface of the optical acrylic plate. 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. In the production process of the light guide plate, silk screen printing is a common light guide plate mesh point processing technology. The prior art generally uses single-hole screen printing, and a complete printing operation is usually used to perform screen printing on a light guide plate to print the dots on the light guide plate. However, in the prior art, when the size of the light guide plate is small, the dot printing of the light guide plate is very inconvenient, and the processing efficiency and the cost of the light guide plate are seriously affected.

Disclosure of Invention

The invention aims to provide a light guide plate positioning device and a printing method, and aims to solve the problems of low printing processing efficiency and high printing cost of a light guide plate in the prior art during screen dot printing.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a light guide plate positioner for fixed light guide plate when printing, be in including bearing bottom plate, setting the returning face plate and a plurality of setting of bearing bottom plate top are in positioning groove on the returning face plate, positioning groove runs through the returning face plate sets up, positioning groove constitutes the location space that is used for fixing a position to hold the light guide plate with the top surface of bearing bottom plate, still be provided with the positioning unit who is used for fixing a position the returning face plate on the bearing bottom plate.

As another embodiment of this application, the positioning unit is a plurality of settings and is in reference column and setting on the bearing bottom plate are in on the returning face plate and with the locating hole of reference column position and shape mutual matching, the top surface protrusion of reference column the returning face plate sets up.

As another embodiment of the application, the positioning holes are all arranged on the outer side of the positioning groove, and the positioning holes are all arranged at the four corners of the turnover plate.

As another embodiment of this application, still be provided with on the side of bearing bottom plate and be used for the convenience with the returning face plate with the breach of stepping down of bearing bottom plate separation.

As another embodiment of this application, the quantity of the breach of stepping down is two, two the breach of stepping down sets up respectively two relative sides on the bearing bottom plate.

As another embodiment of this application, one side of returning face plate is articulated to be set up on the bearing bottom plate, still be provided with between returning face plate and the bearing bottom plate and rotate the hinge.

The light guide plate positioning device and the printing method provided by the invention have the beneficial effects that: compared with the prior art, through being provided with the bearing bottom plate to be provided with on the bearing bottom plate and support the returning face plate that leans on the bearing plate surface. Still be provided with a plurality of positioning groove that run through upset board thickness setting on the returning face plate, positioning groove constitutes the location space that is used for fixing a position to hold the light guide plate with the top surface of bearing bottom plate, still is provided with the positioning unit who is used for fixing a position the returning face plate on the bearing bottom plate. According to the light guide plate positioning device, the turnover plate is covered on the bearing bottom plate, so that the positioning groove and the top surface of the bearing bottom plate form a positioning space for positioning and containing the light guide plate, when the light guide plate with a smaller size is processed, a plurality of light guide plates can be placed in the positioning space, and the bearing bottom plate and the turnover plate are positioned through the positioning unit, so that the mesh point printing of the plurality of light guide plates is realized, the printing processing efficiency of the light guide plates is improved, and the printing cost is reduced.

The invention also provides a printing method of the light guide plate, which comprises the following steps:

manufacturing a multi-hole silk screen printing plate, after arranging a plurality of light guide plates at intervals, manufacturing a silk screen printing plate with a printing area and a light guide plate arrangement corresponding to each other according to the arrangement sequence of the light guide plates, and manufacturing positioning marks on the silk screen printing plate;

installing a screen printing plate, namely installing the screen printing plate on a specified position of printing equipment;

cleaning and installing the light guide plate, tearing off the protective film of the light guide plate, sequentially placing the light guide plate in a positioning groove on a positioning device after the light guide plate is cleaned, and placing the positioning device below the silk screen;

printing the light guide plate, namely uniformly coating ink on a silk screen by using printing equipment, printing the ink on the light guide plate through a printing area on a silk screen plate, and pouring out the light guide plate by opening a bearing bottom plate and a turnover plate;

and (5) drying the IR furnace, and conveying the printed light guide plate to the IR furnace to dry the light guide plate.

As another embodiment of the present application, the step of manufacturing the multi-hole screen printing plate and the step of installing the screen printing plate further include the following steps:

and (3) manufacturing a positioning device, cutting the plates with the same size to be used as a turnover plate and a bearing bottom plate respectively, machining positioning grooves in the turnover plate according to the arrangement of the light guide plates, and combining the turnover plate and the bearing bottom plate.

As another embodiment of the present application, in the step of manufacturing the positioning device, the turnover plate, the bearing bottom plate and the positioning groove are all processed by laser cutting.

As another embodiment of the present application, in the step of cleaning and installing the light guide plate, the positioning device and the screen printing plate are positioned by the positioning mark and the positioning column.

The printing method of the light guide plate provided by the invention has the beneficial effects that: compared with the prior art, the positioning device is installed in place by placing the light guide plate on the positioning device with a plurality of positioning spaces during screen dot printing of the light guide plate, then integrally placing the positioning device below the screen printing plate, and aligning the positioning unit on the positioning device with the positioning mark on the screen. The printing method of the light guide plate can realize the mesh point printing of a plurality of light guide plates at the same time, and improves the printing efficiency of the light guide plates.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a printing process of a light guide plate according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a silk-screen printing plate according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a positioning device according to an embodiment of the present invention.

In the figure: 1. a fixed frame; 2. a work table; 3. a scraper; 4. a bearing bottom plate; 5. a turnover plate; 6. a positioning groove; 7. a positioning column; 8. positioning holes; 9. a abdication gap; 10. rotating the hinge; 11. printing ink; 12. printing screen cloth; 13. and positioning the mark.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and fig. 2, the light guide plate positioning device and the printing method according to the present invention will now be described. Light guide plate positioner for fixed light guide plate when printing, including bearing bottom plate 4, set up the returning face plate 5 in bearing bottom plate 4 top and a plurality of positioning groove 6 of setting on returning face plate 5, positioning groove 6 runs through the setting of returning face plate 5, and positioning groove 6 constitutes the location space that is used for fixing a position to hold the light guide plate with the top surface of bearing bottom plate 4, still is provided with the positioning unit who is used for fixing a position returning face plate 5 on the bearing bottom plate 4.

The light guide plate positioner that this embodiment provided compares with prior art, through being provided with bearing bottom plate 4 to be provided with the returning face plate 5 that supports and lean on the bearing plate surface on bearing bottom plate 4. Still be provided with a plurality of positioning groove 6 that run through 5 thickness settings of returning face plate on the returning face plate 5, positioning groove 6 constitutes the location space that is used for the location to hold the light guide plate with the top surface of bearing bottom plate 4, still is provided with the positioning unit who is used for fixing a position returning face plate 5 on the bearing bottom plate 4. According to the light guide plate positioning device, the turnover plate 5 is covered on the bearing bottom plate 4, so that the positioning groove 6 and the top surface of the bearing bottom plate 4 form a positioning space for positioning and containing a light guide plate, when the light guide plate with a small size is subjected to positioning, a plurality of light guide plates can be placed in the positioning space, and the bearing bottom plate 4 and the turnover plate 5 are positioned through the positioning unit, so that screen dot printing can be simultaneously performed on the plurality of light guide plates, the printing processing efficiency of the light guide plates is improved, and the printing cost is reduced.

Referring to fig. 3, the positioning unit includes a plurality of positioning posts 7 disposed on the supporting base plate 4, and positioning holes 8 disposed on the turnover plate 5 and matching with the positioning posts 7 in position and shape, and the top surfaces of the positioning posts 7 protrude from the turnover plate 5. The positioning column 7 is fixed on the surface of the bearing bottom plate 4 through pasting, the shape of the positioning hole 8 on the position and the turnover plate 5 are matched with each other, and the turnover plate 5 can be conveniently positioned after the turnover plate 5 is placed on the bearing bottom plate 4. Meanwhile, the top surface of the positioning column 7 protrudes out of the turnover plate 5, and the positioning column 7 can also be used as the integral positioning reference of the positioning device.

Referring to fig. 2 and 3, as an embodiment of the light guide plate positioning device of the present invention, the positioning holes 8 are disposed outside the positioning grooves 6, and the positioning holes 8 are disposed at four corners of the turnover plate 5. The positioning holes 8 and the positioning columns 7 are arranged in the above mode, so that the turnover plate 5 and the bearing bottom plate 4 can be processed more conveniently.

As a specific embodiment of the light guide plate positioning device provided by the present invention, please refer to fig. 2 and fig. 3, a receding notch 9 for conveniently separating the turnover plate 5 from the supporting bottom plate 4 is further disposed on the side surface of the supporting bottom plate 4. The notch 9 of stepping down sets up can conveniently through stepping down the notch 9 with 5 jack-ups of returning face plate, makes returning face plate 5 break away from with bearing bottom plate 4 to make the light guide plate drop from positioning groove 6 in, can realize that the quick dismantlement of a plurality of light guide plates is taken, improved the work efficiency of light guide plate printing, also reduced the cost of light guide plate printing.

As an embodiment of the light guide plate positioning device provided by the present invention, please refer to fig. 2 and fig. 3, the number of the abdicating notches 9 is two, and the two abdicating notches 9 are respectively disposed on two opposite side surfaces of the supporting base plate 4. The turnover plate 5 can be conveniently separated from the bearing bottom plate 4 from the abdicating notch 9 by the operator.

Referring to fig. 2 and 3, as an embodiment of the light guide plate positioning device provided by the present invention, one side of the turnover plate 5 is hinged to the supporting base plate 4, and a rotating hinge 10 is further disposed between the turnover plate 5 and the supporting base plate 4. The turnover plate 5 is hinged, so that the turnover plate 5 and the bearing bottom plate 4 are more convenient to separate and assemble.

The invention also provides a printing method of the light guide plate, referring to fig. 1, comprising the following steps:

manufacturing a multi-hole silk screen printing plate, after arranging a plurality of light guide plates at intervals, manufacturing a silk screen printing plate with a printing area and a light guide plate arrangement corresponding to each other according to the arrangement sequence of the light guide plates, and manufacturing positioning marks on the silk screen printing plate;

screen printing plate installation, namely installing the screen printing plate on a designated position of the printing equipment, installing the printing screen on a fixed frame 1 of the printing equipment, and installing the fixed frame 1 on the main body of the printing equipment;

cleaning and installing the light guide plate, tearing off the protective film of the light guide plate, sequentially placing the light guide plate into the positioning grooves 6 on the positioning device after the light guide plate is cleaned, and placing the positioning device below the silk screen; the positioning device is placed on a workbench 2 of the printing equipment, and is fixed after the position is determined;

printing the light guide plate, namely uniformly coating ink on a screen by using a scraper 3 on printing equipment, printing the ink on the light guide plate through a printing area on a screen printing plate of the screen, pouring out the light guide plate by opening a bearing bottom plate 4 and a turnover plate 5, and then conveying the light guide plate to a drying furnace on a conveying belt through the conveying belt;

and (5) drying the IR furnace, and conveying the printed light guide plate to the IR furnace to dry the light guide plate.

As a specific implementation manner of the printing method for a light guide plate provided by the present invention, referring to fig. 1, the following steps are further included between the step of fabricating the multi-hole screen printing plate and the step of installing the screen printing plate:

and (3) manufacturing a positioning device, cutting the plates with the same size to be used as the turnover plate 5 and the bearing bottom plate 4 respectively, machining the positioning grooves 6 on the turnover plate 5 according to the arrangement of the light guide plates, and combining the turnover plate 5 and the bearing bottom plate 4.

Referring to fig. 1, in the step of manufacturing the positioning device, laser cutting is used to process the turnover plate 5, the supporting base plate 4 and the positioning groove 6. The preferred ya keli material panel that adopts of returning face plate 5 and bearing bottom plate 4 adopts laser cutting to make the size machining precision of panel better, also can guarantee that the cutting edge is more smooth, makes its use more convenient.

Referring to fig. 1, in the step of cleaning and installing the light guide plate, the positioning device and the screen printing plate are positioned by the positioning marks and the positioning posts 7. The mounting position of the positioning device can be more accurate, and the printing precision of the light guide plate is improved.

The printing method of the light guide plate provided by the invention has the beneficial effects that: compared with the prior art, the positioning device is installed in place by placing the light guide plate on the positioning device with a plurality of positioning spaces during screen dot printing of the light guide plate, then integrally placing the positioning device below the screen printing plate, and aligning the positioning unit on the positioning device with the positioning mark on the screen. The printing method of the light guide plate can realize the mesh point printing of a plurality of light guide plates at the same time, and improves the printing efficiency of the light guide plates.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.