CN114261176B - Method for making up precise texture template - Google Patents
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- CN114261176B CN114261176B CN202111521699.2A CN202111521699A CN114261176B CN 114261176 B CN114261176 B CN 114261176B CN 202111521699 A CN202111521699 A CN 202111521699A CN 114261176 B CN114261176 B CN 114261176B
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Abstract
The method for assembling the precise texture template comprises the following steps of manufacturing a single-hole reference diaphragm, manufacturing a single-hole template, processing a bottom plate, processing a CNC (computer numerical control) machining, placing the template, and obtaining the assembled template formed by assembling the multi-hole templates. Compared with the prior art, the whole operation only needs to adopt CNC processing equipment can accomplish the makeup of each single cave texture on the template, original makeup machine makeup has been replaced, a new space of a whole operation concatenation only can accomplish a round of operation 5 hours, the ageing of original makeup machine makeup 2 days cycle has been shortened greatly, it only needs about 400 yuan at every turn to splice a space of a whole page of a whole cost, greatly reduced the makeup cost, if a single cave texture in the whole page of a whole page appears when the defective rate only need this single cave template change can, the makeup cost has further been saved.
Description
Technical Field
The invention relates to the field of production of mobile phone rear covers, in particular to a makeup method of a precise texture template.
Background
The precise transfer printing textures are widely used for decorating the surface of the rear shell of a mobile phone product at present, and have a colorful visual effect; the initial photoetching texture original edition is a single small area, and needs to be arranged according to the manufacturing conditions of different products, if photoetching typesetting is directly used, the typesetting manufacturing cost of each time is as high as more than 10 ten thousand yuan, and the success rate is low.
At present, a single-hole copying, transferring and splicing are carried out by utilizing an expensive texture plate splicing machine to form a plate surface, during specific operation, a black smooth and flaw-free PMMA plate is placed on a transfer printing table, a single-hole template given by a client is fixed on the plate splicing machine, the plate splicing machine transfers the grains of the single-hole template onto the PMMA plate, namely, the transfer printing of the grains of one hole is completed, then the single-hole template is translated along the longitudinal and transverse directions of the PMMA plate to carry out the grain transfer printing of one hole and one hole on the PMMA plate, finally, the PMMA plate is provided with the longitudinal and transverse arrangement of multi-hole grains such as four holes, six holes or eight holes, the splicing manufacturing of the grains of one plate is formed, after the splicing manufacturing, the whole plate is taken out of the transfer printing, the transfer printing of a plurality of grains can be obtained at one time, and the transfer printing processing speed of the rear cover of the mobile phone is high. However, the splicing production of each layout in the splicing mode takes 2 days, the success rate is only 50%, the splicing test of the new layout needs to be repeated, the development process of a new product cannot be completely followed, the splicing mode of the splicer needs 5000 yuan each time, if a single hole on the PMMA board is defective in the splicing process, the whole layout needs to be spliced again, and the splicing cost is higher.
Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.
Disclosure of Invention
The invention aims to provide a makeup method of a precise texture template, which aims to solve the problems of long makeup efficiency, high cost and low makeup success rate caused by makeup of a makeup machine in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for making up a precise texture template, which is spliced by the following steps,
step one, manufacturing a single-hole reference diaphragm, obtaining a single-hole texture template, wherein the single-hole texture template is provided with a contour frame matched with the contour of a rear cover of a mobile phone and precise textures in the contour frame, performing CNC (computer numerical control) processing on an area, outside the contour frame, of the obtained single-hole texture template to obtain two target reference point hole positions, fixing the single-hole texture template on a flat working platform after the CNC processing, preparing a plurality of small-size PC diaphragms, printing master mould glue for texture transfer printing on the full surface of one surface of each PC diaphragm to form a colloid PC diaphragm with a glue surface, flatly placing one colloid PC diaphragm on the single-hole texture template, enabling the glue surface of the colloid PC diaphragm to be in contact with the single-hole texture template, and finally pressing the colloid PC diaphragm downwards through a lower pressing plate to enable the glue surface of the colloid PC diaphragm to be printed with the contour frame of the single-hole texture template, the precise textures in the contour frame and the two target reference point hole positions, obtaining the single-hole reference diaphragm, and repeating the steps to obtain a plurality of single-hole reference diaphragms;
step two, manufacturing single-hole templates, namely, precisely milling the edges of the single-hole reference diaphragms in the step one along the contour frames on the single-hole reference diaphragms and the contours of the two target reference point hole prints by a CNC (computerized numerical control) processing machine to obtain single-hole templates matched with the rear cover of the mobile phone and target blocks matched with the target reference points, which are separated from the single-hole reference diaphragms, and simultaneously performing reference positioning CNC processing through the two target reference point hole prints on the single-hole reference diaphragms during CNC processing, and repeatedly carrying out CNC processing to obtain a plurality of single-hole templates;
step three, processing a bottom plate, preparing a PC plate without hardening on two sides, and printing master mould glue for texture transfer printing on one side of the PC plate to form a glue PC plate with a glue surface;
step four, CNC machining, namely milling a plurality of outer frame holes with the contour matched with the outline of the mobile phone on the glue surface of the glue PC board obtained in the step three through a CNC machining machine, wherein the outer frame holes are arranged in a matrix mode to form an effective area, the part, outside the makeup area, of the PC board is an ineffective area, then milling two target position holes outside the ineffective area of the PC board through the CNC machining machine, the size of each target position hole is matched with the size of the target block obtained in the step two, and finally obtaining a semi-finished product template with a plurality of outer frame holes and two target position holes;
placing the template, namely flatly placing the semi-finished template in the fourth step on a tool table top, and adsorbing the semi-finished template on the tool table top through vacuum, wherein the glue surface of the semi-finished template is arranged upwards; and then placing the single-hole templates in the second step into the outer frame holes of the semi-finished template one by one, matching the single-hole templates with the outer frame holes, taking the two target blocks in the second step to correspond to the two target position holes of the semi-finished template, pressing and flattening each single-hole template and each target block one by one, and finally coating a layer of protective film on the adhesive surface of the semi-finished template to obtain the assembled template formed by assembling the multi-hole templates.
In the fifth step, a plurality of air suction holes are densely distributed on the upper surface of the tool table surface, an air suction cavity communicated with each air suction hole is arranged in the tool table surface, and a vacuum generator communicated with the air suction cavity is arranged outside the tool table surface.
In the first step, the length direction of the outline frame of the rear cover of the mobile phone is taken as the up-down direction, and the hole sites of the two target datum points are positioned on the left side of the outline frame of the rear cover of the mobile phone and are arranged at intervals up and down; eight outer frame holes are arranged in the fourth step, eight outer frame holes are arranged in a two-row four-column matrix, and two target position holes are positioned at the left side and the right side of the upper end of the PC board.
The tool table top is a square block, the size of the PC plate is larger than that of the tool table top, and the outer frame holes and the two target position holes in the PC plate fall into the range of the tool table top.
The master mould glue is UV transfer printing glue.
In the second step, the number of the processed single-hole templates is more than that of the outer frame holes in the fourth step.
By adopting the technical scheme, the makeup method of the precise texture template can finish the makeup of each single-hole texture on the template only by adopting CNC processing equipment in the whole operation, the original makeup of the makeup machine is replaced, one round of operation can be finished only by 5 hours when a new layout is spliced in the whole operation, the aging of the original makeup machine for a period of 2 days is greatly shortened, a large amount of time is won for the development of a new product, meanwhile, the cost of splicing one layout is only about 400 yuan each time, the makeup cost is greatly reduced, the makeup success rate reaches more than 90%, in addition, if the reject rate of one single-hole texture in the whole layout is high, only the single-hole template needs to be replaced, the whole layout is not required to be reprocessed, and the makeup cost is further saved.
Drawings
FIG. 1 is a schematic structural view of a single-hole texture template;
FIG. 2 is a schematic diagram of a PC board.
Detailed Description
In order to further explain the technical scheme of the invention, the following detailed description is given by specific examples.
The invention relates to a makeup method of a precise texture template, which is formed by splicing the following steps,
step one, manufacturing a single-hole reference membrane, as shown in figure 1, obtaining a single-hole texture template 1, wherein the single-hole texture template is provided by a client who wants to process a mobile phone rear cover, the single-hole texture template is provided with a contour frame 100 matched with the contour of the mobile phone rear cover and precise textures (not shown in the figure) in the contour frame, the single-hole texture template is equivalent to a public plate, CNC processing is carried out on the obtained single-hole texture template 1 in a region outside the contour frame 100 to form two target reference point hole sites 200, the length direction of the contour frame 100 on the single-hole texture template 1 is taken as the up-down direction, the two target reference point hole sites 200 are positioned on the left side of the contour frame 100 and are arranged at intervals up and down, the single-hole texture template 1 is fixed on a flat working platform after the CNC processing of the target reference point hole sites, preparing a plurality of small-sized PC membranes, wherein the size of each PC membrane is matched with that of the single-hole texture template, one surface of each PC membrane is printed with master mold glue for texture transfer printing, the master mold glue is preferably UV transfer glue, a colloid PC membrane with a glue surface is formed, each colloid PC membrane is flatly placed on the single-hole texture template 1, the glue surface of the colloid PC membrane is contacted with the upper surface of the single-hole texture template 1, and finally, the colloid PC membrane is pressed downwards by a lower pressing plate, so that the glue surface of the colloid PC membrane is transferred with a contour frame 100 on the single-hole texture template 1, a precise texture in the contour frame and two target reference point holes to obtain a single-hole reference membrane;
step two, manufacturing a single-hole template, namely placing a single-hole reference diaphragm obtained in the step one on a CNC machining machine table, precisely milling edges of a CNC tool bit of the CNC machining machine table along a contour frame on the single-hole reference diaphragm and contours of two target reference point hole prints to obtain the single-hole template which is separated from the single-hole reference diaphragm and matched with a rear cover of the mobile phone and target blocks matched with the target reference points, repeating the steps to obtain a plurality of single-hole templates and a plurality of target blocks, and carrying out reference positioning CNC machining on the CNC tool bit through the two target reference point hole prints on the single-hole reference diaphragm during machining along the contour frame;
step three, processing a bottom plate, preparing a PC plate 2 without hardening on two sides, and printing a master mold adhesive for texture transfer printing on one side of the PC plate 2, wherein the master mold adhesive is preferably a UV transfer adhesive, and the thickness of the UV transfer adhesive is in a thin body gluing mode to form a colloid PC plate with a glue surface, as shown in FIG. 2;
step four, CNC machining, namely milling 8 excellent outer frame holes 21 on the glue surface of the glue PC board in the step three by using a CNC machining machine, arranging eight outer frame holes 21 in a mode of two-row four-column matrix arrangement, wherein the outer frame holes 21 are provided with a plurality of outer frame holes, each outer frame hole 21 is arranged in a matrix mode to form an effective area, the positions of the PC board 2, which are positioned outside the makeup area, are invalid areas, and milling two target position holes 22 outside the invalid area of the PC board 2 by using the CNC machining machine, wherein the target position holes 22 are preferably arranged on the left side and the right side of the upper portion of the glue PC board, the size of the target position holes 22 is matched with the size of the target blocks in the step two, and finally obtaining a semi-finished product template with a plurality of outer frame holes and two target position holes, wherein the size of the outer frame holes is matched with the single-hole template;
placing the template, namely flatly placing the semi-finished template in the fourth step on a tool table top, and adsorbing the semi-finished template on the tool table top through vacuum, wherein the glue surface of the semi-finished template is arranged upwards; preferably, the tool table top is a square block, a plurality of air suction holes are densely distributed in the upper surface of the tool table top, an air suction cavity communicated with the air suction holes is formed in the tool table top, a vacuum generator communicated with the air suction cavity is arranged outside the tool table top, the vacuum generator is used for enabling the air suction holes to generate downward suction force, the size of the PC board 2 is larger than that of the tool table top, and a plurality of outer frame holes and two target holes in the PC board 2 fall into the range of the tool table top; after the semi-finished product template is placed, a vacuum generator is started, the semi-finished product template is sucked and fixed on a table surface of a tool, then the single-hole templates in the second step are embedded into the outer frame holes of the semi-finished product template one by one, the single-hole templates are matched with the outer frame holes, the two target blocks in the second step are correspondingly arranged in the two target position holes of the semi-finished product template, the single-hole templates are downwards pressed after being placed, the upper surfaces of the single-hole templates and the target blocks are flatly arranged with the upper surface of the PC board, and finally a layer of protective film is coated on the adhesive surface of the semi-finished product template to obtain an assembled template formed by assembling the multi-hole templates.
According to the invention, the protective film is only required to be torn off when the assembled template obtained in the step five is transferred, then the invalid area of each single-hole template is pressed, the single-hole template is prevented from being brought up by the protective film, finally, the UV transfer printing glue is coated on one surface of a blank membrane, the blank membrane is placed on the assembled template, the UV transfer printing glue of the blank membrane is contacted with the assembled membrane, the UV transfer printing glue is utilized to transfer the textures on the hole templates on the assembled template onto the blank membrane together, and the transfer printing operation of the multi-outer-blank membrane can be realized repeatedly.
By adopting the technical scheme, the makeup method of the precise texture template can finish the makeup of each single-hole texture on the template only by adopting CNC (computerized numerical control) processing equipment in the whole operation, the original makeup of the makeup machine is replaced, one round of operation can be finished only by 5 hours when a new layout is spliced in the whole operation, the time efficiency of the original makeup machine for a period of 2 days is greatly shortened, a large amount of time is won for the development of a new product, meanwhile, the cost of splicing one layout is only about 400 yuan each time, the makeup cost is greatly reduced, the makeup success rate reaches more than 90 percent, and in addition, if the reject rate of one single-hole texture in the whole layout is increased, the single-hole template is only required to be replaced, the whole layout retreatment is not needed, and the makeup cost is further saved; and moreover, the target datum point hole position in the first step can enable the CNC machining in the second step to have a datum point for alignment, the CNC machining is more accurate, the corresponding target position hole in the fourth step also enables the CNC machining of the outer frame hole in the fourth step to have the datum point, the template obtained by later-stage transfer printing is directly provided with the datum point during the CNC machining, the datum point machining operation is not needed, and the later-stage machining is simpler and easier.
In the invention, in the second step, the number of the processed single-hole templates is more than that of the outer frame holes in the fourth step, so that when one single-hole template has a defective rate after the fifth step, the redundant single-hole templates in the second step can be directly replaced, and the whole makeup operation is rapid.
The above embodiments are not intended to limit the scope of the present invention, and any suitable changes or modifications made by those skilled in the art should be construed as not departing from the scope of the present invention.
Claims (6)
1. A makeup method of a precise texture template is characterized by comprising the following steps: the method is formed by splicing the following steps,
step one, manufacturing a single-hole reference diaphragm, obtaining a single-hole texture template, wherein the single-hole texture template is provided with a contour frame matched with the contour of a rear cover of a mobile phone and precise textures in the contour frame, performing CNC (computer numerical control) processing on an area, outside the contour frame, of the obtained single-hole texture template to obtain two target reference point hole positions, fixing the single-hole texture template on a flat working platform after the CNC processing, preparing a plurality of small-sized PC diaphragms, printing master mould glue for texture transfer printing on the full surface of one surface of each PC diaphragm to form a colloid PC diaphragm with a glue surface, flatly placing one colloid PC diaphragm on the single-hole texture template, enabling the glue surface of the colloid PC diaphragm to be in contact with the single-hole texture template, and finally pressing the colloid PC diaphragm downwards through a lower pressing plate to enable the glue surface of the colloid PC diaphragm to be printed with the contour frame of the single-hole texture template, the precise holes in the contour frame and the two target point holes to obtain the single-hole reference diaphragm, and repeatedly processing a plurality of single-hole reference diaphragms;
step two, manufacturing a single-hole template, namely accurately milling the edge of each single-hole reference diaphragm in the step one along a contour frame on the single-hole reference diaphragm and the contour of two target reference point hole prints by a CNC (computerized numerical control) processing machine to obtain the single-hole template which is separated from the single-hole reference diaphragm and matched with the rear cover of the mobile phone and the target block matched with the target reference point, and simultaneously performing reference positioning CNC (computerized numerical control) processing by the two target reference point hole prints on the single-hole reference diaphragm during CNC processing, and repeating the steps so as to process a plurality of single-hole templates by CNC;
step three, processing a bottom plate, preparing a PC plate without hardening on two sides, and printing master mould glue for texture transfer printing on the full surface of one side of the PC plate to form a glue PC plate with a glue surface;
step four, CNC processing, namely milling outer frame holes with the outline matched with the outline of the mobile phone on the glue surface of the glue PC board obtained in the step three through a CNC processing machine, wherein the outer frame holes are provided with a plurality of outer frame holes, the outer frame holes are arranged in a matrix form to form an effective area, the part of the PC board, which is positioned outside the makeup area, is an invalid area, and then milling two target position holes outside the invalid area of the PC board through the CNC processing machine, wherein the size of each target position hole is matched with the size of the target block obtained in the step two, so that a semi-finished product template with a plurality of outer frame holes and two target position holes is finally obtained;
placing the template, namely flatly placing the semi-finished template in the fourth step on a tool table top, and adsorbing the semi-finished template on the tool table top through vacuum, wherein the glue surface of the semi-finished template is arranged upwards; and secondly, placing the single-hole templates in the second step into outer frame holes of the semi-finished template one by one, matching the single-hole templates with the outer frame holes, taking the two target blocks in the second step to correspond to the two target position holes of the semi-finished template, pressing each single-hole template and each target block one by one to be flat, and finally covering a layer of protective film on the adhesive surface of the semi-finished template to obtain the assembled template formed by assembling the multi-hole templates.
2. The imposition method of a precision texture template according to claim 1, characterized in that: in the fifth step, a plurality of air suction holes are densely distributed on the upper surface of the tool table surface, an air suction cavity communicated with each air suction hole is arranged in the tool table surface, and a vacuum generator communicated with the air suction cavity is arranged outside the tool table surface.
3. The imposition method of a precision texture template according to claim 1, characterized in that: in the first step, the length direction of the outline frame of the rear cover of the mobile phone is taken as the up-down direction, and the hole sites of the two target datum points are positioned on the left side of the outline frame of the rear cover of the mobile phone and are arranged at intervals up and down; eight outer frame holes are arranged in the fourth step, eight outer frame holes are arranged in a two-row and four-column matrix, and two target position holes are positioned at the left side and the right side of the upper end of the PC board.
4. The imposition method of a precision texture template according to claim 1, characterized in that: the tool table top is a square block, the size of the PC plate is larger than that of the tool table top, and the outer frame holes and the target position holes in the PC plate fall into the range of the tool table top.
5. The imposition method of a precision texture template according to claim 1, characterized in that: the master mould glue is UV transfer printing glue.
6. The imposition method of a precision texture template according to claim 1, characterized in that: in the second step, the number of the processed single-hole templates is more than that of the outer frame holes in the fourth step.
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