CN215856390U - Detachable and reusable microprism ring cylinder master mold - Google Patents
Detachable and reusable microprism ring cylinder master mold Download PDFInfo
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- CN215856390U CN215856390U CN202121980780.2U CN202121980780U CN215856390U CN 215856390 U CN215856390 U CN 215856390U CN 202121980780 U CN202121980780 U CN 202121980780U CN 215856390 U CN215856390 U CN 215856390U
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- splicing block
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- microprism
- splicing
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Abstract
The utility model provides a can dismantle used repeatedly's microprism ring section of thick bamboo master mould, including the flexible reflection of light template of splicing into the ring tube-shape and set up the fixing device in reflection of light template concatenation department, fixing device is including setting up the first splice piece in reflection of light template one end, set up the second splice piece that can splice each other with first splice piece at the reflection of light template other end and set up the mounting with fixed first splice piece and second splice piece between first splice piece and second splice piece, form first splice piece through the electroforming at the both ends of reflection of light template, second splice piece, and set up the mounting and fix first splice piece and second splice piece, the reflective membrane that conveniently forms the grinding apparatus separates with the template, avoid master mould and reflective membrane outward appearance to scrape the problem of flower, and master mould can repetitious usage, and the work efficiency is improved, and the production cost is reduced.
Description
Technical Field
The utility model belongs to the field of microprism preparation, and particularly relates to a detachable and reusable microprism ring cylinder master mold.
Background
The reflective film is mainly used for road traffic safety, engineering marks, advertisement industry and the like due to the environment-friendly reflective effect, the microprism structure of the metal mold used for manufacturing the reflective film is an important factor mainly influencing the reflective effect of the reflective film, and the annular reflective mold is needed for the industrial batch production of the reflective film of the coiled material.
The existing electroforming annular cylinder reflective master plate mold closed circle is bonded on a fixed strip through welding or adhesive, according to the existing plate removing process, a master plate and a working plate are required to be pressed down and deformed together and then separated, and then the working plate is taken out from the mother circle, the phenomenon of scratching of the master plate and the working plate cannot be avoided, if the appearance of the electroformed working plate is ensured to be complete and has no scratching, the mother circle needs to be directly removed, so that only one working plate can be produced by one master plate, the cost is high, the manufacturing period is long, and the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a detachable and reusable microprism ring cylinder master mould.
The utility model adopts the following technical scheme:
the utility model provides a can dismantle used repeatedly's microprism ring section of thick bamboo master mould, includes the reflecting template of flexible concatenation ring tube-shape and sets up the fixing device in reflecting template concatenation department, and fixing device is including setting up the first splice piece in reflecting template one end, setting up the second splice piece that can splice each other with first splice piece at the reflecting template other end and setting up the mounting in order to fix first splice piece and second splice piece between first splice piece and second splice piece.
Further, the fixing piece comprises a fixing screw hole extending from the first splicing block to the second splicing block and a fixing bolt matched with the fixing screw hole.
Furthermore, a positioning groove is formed in the opposite surface of the first splicing block and the second splicing block, and a positioning block embedded into the positioning groove is formed in the opposite surface of the second splicing block and the first splicing block.
Furthermore, the first splicing block and the second splicing block are respectively formed at two ends of the reflective template in an electroforming mode.
Furthermore, the light reflecting template comprises an insulating film, a micro prism layer and a passivation film which are sequentially arranged from outside to inside.
Furthermore, the thickness of the reflecting film plate is 0.5-10 mm.
Furthermore, the outer peripheral surfaces of the first splicing block and the second splicing block are coated with insulating films.
Furthermore, the first splicing blocks extend from top to bottom along the height of the light reflecting template.
Further, the height of the first splicing plate is consistent with that of the light reflecting template.
As can be seen from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are: the first splicing block and the second splicing block are formed by electroforming at two ends of the reflective template, and the fixing piece is arranged to fix the first splicing block and the second splicing block, so that a reflective film formed by electroforming can be conveniently separated from a template grinding tool, the problem of scratching of the appearance of a master mold and the reflective film is avoided, the master mold can be used for multiple times, the working efficiency is improved, and the production cost is reduced;
the first splicing block and the second splicing block are formed at two ends of the reflective template through electroforming, and the surface precision of the first splicing block and the second splicing block can reach the nanometer level by adopting an electroforming mode, so that the problem of uneven mold is solved;
the front surface and the back surface of the reflective template are respectively provided with a passivation film and an insulating film so as to ensure that the reflective template is adversely affected when the master template mold carries out electroforming reaction, and the service life of the master template mold is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the incomplete shape of the retroreflective template;
FIG. 3 is a schematic view of a layered structure of a reflective template;
in the figure, 1-a light reflecting template, 2-a fixing device, 11-an insulating film, 12-a micro prism layer, 13-a passivation film, 21-a first splicing block, 211-a positioning groove, 212-a positioning block, 22-a second splicing block, 23-a fixing screw hole and 24-a fixing screw hole.
Detailed Description
The utility model is further described below by means of specific embodiments.
Referring to fig. 1 to 3, a detachable reusable microprism ring master mold comprises a reflective template 1 and a fixing device 2.
The reflective template 1 is rectangular, can be bent and spliced into an annular cylinder and comprises an insulating film 11, a micro prism layer 12 and a passivation film 13 which are sequentially arranged from outside to inside, and the front surface and the back surface of the micro prism layer 12 are respectively provided with the passivation film 13 and the insulating film 11, so that when a reflective film is produced by a mould through electroforming reaction, the micro prism layer 12 is prevented from being damaged by electroforming liquid, and the structure of the reflective film is prevented from being influenced; specifically, the thickness of the reflective template 1 is 0.5-10 mm.
The fixing device 2 is arranged at the splicing position of the reflective template 1, so that the reflective template 1 is bent to keep an annular shape and comprises a first splicing block 21, a second splicing block 22 and a fixing piece, wherein the first splicing block 21 is arranged at one end of the reflective template 1; the second splicing block 22 is arranged at the other end of the reflective template 1 and can be spliced with the first splicing block 21 when the reflective template 1 is bent; specifically, the positioning groove 211 is formed on the opposite surface of the first splicing block 21 and the second splicing block 22, the positioning block 221 embedded in the positioning groove 211 is formed on the opposite surface of the second splicing block 22 and the first splicing block 21, and through the matching of the positioning groove 211 and the positioning block 221, when the reflective template 1 is bent and spliced, the two ends of the reflective template 1 are mutually positioned, so that the splicing of the reflective template 1 is quickly completed; further, the first splicing block 21 or the second splicing block 22 extends from top to bottom along the height of the reflective template 1, and is consistent with the height of the reflective template 1.
The first splice plate 21 and the second splice plate 22 are respectively electroformed on two ends of the reflective template 1 by molds with corresponding shapes, and the specific forming method is as follows: taking a layer of micro-prism layer 12, attaching a layer of hot melt adhesive protective film on the prism surface of the micro-prism layer, and attaching an insulating film 11 on the back surface of the micro-prism layer; secondly, according to the widths of the first splicing plate 21 and the second splicing plate 22, cutting insulating films with the width consistent with that of the first splicing plate 21 or the second splicing plate 22 inwards from the two ends of the back of the micro prism layer 12 respectively; step three, using hydrochloric acid with the mass concentration of 10% to perform activation treatment on the back surface of the micro prism layer 12, and cleaning the micro prism layer by using ultrapure water after the activation treatment is completed; fourthly, respectively arranging corresponding moulds with the first splicing block 21 and the second splicing block 22 at the positions, which are not adhered with the insulating film, on the back surface of the micro prism layer 12 through glue, and then placing the moulds into an electroforming groove for electroforming; and step five, after electroforming is finished, removing the corresponding die, and cleaning the micro prism layer 12, the first splicing block 21 and the second splicing block 22 so as to respectively form the first splicing block 21 and the second splicing block 22 at two ends of the micro prism layer 12.
The fixing piece is arranged between the first splicing block 21 and the second splicing block 22 to fix the first splicing block 21 and the second splicing block 22, comprises a fixing screw hole 23 extending inwards to the second splicing block 22 from the side surface of the first splicing block 21 and a fixing bolt 24 matched with the fixing screw hole 23, and is matched with the fixing bolt 24 through the fixing screw hole 23 to enable the reflective template 1 to keep an annular shape; specifically, the outer peripheral surfaces of the first splicing block 21 and the second splicing block 22 are coated with insulating films, so that when a reflective film is formed by subsequent electroforming, the electroforming solution influences the first splicing block 21 and the second splicing block 22, and the annular cylindrical shape of the reflective template 1 is caused.
After the first splicing block 21 and the second splicing block 22 are electroformed, the micro prism layer 12 is formed into a ring shape by utilizing the matching of a fixing bolt 24 and a fixing screw hole 23, then a hot melt adhesive film on the surface of the micro prism is removed, after the micro prism is cleaned by utilizing ultrapure water, the micro prism layer is passivated by utilizing a potassium dichromate solution with the mass concentration of 0.1-5%, the processing time is 1-10min, and a passivation film 13 is formed on the surface of the prism structure of the micro prism layer 12; the preparation of the reflective template 1 is completed.
When the reflective film is prepared, the mother plate mould which forms the ring cylinder shape is placed in an electroforming groove, 10V direct current is used, and the current density is adjusted to be 15-20A/dm2Electroforming the mother plate mould, and stopping electroforming when the electroforming thickness is 0.5-1 mm; then, the fixing bolts 24 are loosened, so that the prepared reflective film can be separated from the master plate mold to form the required reflective film; the master mold does not need to be damaged, and the problems of scratching of the appearance of the master mold and the appearance of the formed reflective film can be avoided.
According to the application, the first splicing block 21 and the second splicing block 22 are formed at two ends of the reflective template 1 through electroforming, the fixing bolt 24 is arranged to be matched with the fixing screw hole 23, the first splicing block 21 and the second splicing block 22 are fixed, the reflective film formed through electroforming is conveniently separated from the master mold, the problem that the appearance of the master mold and the reflective film is scratched is avoided, the master mold can be used for multiple times, the working efficiency is improved, and the production cost is reduced; and the first splicing block 21 and the second splicing block 22 are formed at two ends of the reflective template 1 through electroforming, and the surface precision of the first splicing block 21 and the second splicing block 22 can reach the nanometer level by adopting an electroforming mode, so that the problem of uneven mold is well solved.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the utility model, which is defined by the appended claims and their equivalents and modifications within the scope of the description.
Claims (9)
1. The utility model provides a can dismantle used repeatedly's microprism ring section of thick bamboo master mould which characterized in that: the fixing device comprises a first splicing block arranged at one end of the reflective template, a second splicing block arranged at the other end of the reflective template and capable of being spliced with the first splicing block, and a fixing piece arranged between the first splicing block and the second splicing block to fix the first splicing block and the second splicing block.
2. The removable reusable microprism ring master mold of claim 1 wherein: the fixing piece comprises a fixing screw hole extending from the first splicing block to the second splicing block and a fixing bolt matched with the fixing screw hole.
3. The removable reusable microprism ring master mold of claim 1 wherein: the positioning groove is formed in the opposite surface of the first splicing block and the opposite surface of the second splicing block, and the positioning block embedded into the positioning groove is formed in the opposite surface of the second splicing block and the first splicing block.
4. The removable reusable microprism ring master mold of claim 1 wherein: the first splicing blocks and the second splicing blocks are respectively formed at two ends of the reflective template in an electroforming mode.
5. The removable reusable microprism ring master mold of claim 1 wherein: the reflective template comprises an insulating film, a micro prism layer and a passivation film which are sequentially arranged from outside to inside.
6. The removable reusable microprism ring master mold of claim 1 wherein: the thickness of the light reflecting template is 0.5-10 mm.
7. The removable reusable microprism ring master mold of claim 1 wherein: the outer peripheral surfaces of the first splicing block and the second splicing block are coated with insulating films.
8. The removable reusable microprism ring master mold of claim 1 wherein: the first splicing blocks extend from top to bottom along the height of the light reflecting template.
9. The removable reusable microprism ring master mold of claim 8, wherein: the height of the first splicing block is consistent with that of the light reflecting template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121980780.2U CN215856390U (en) | 2021-08-20 | 2021-08-20 | Detachable and reusable microprism ring cylinder master mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121980780.2U CN215856390U (en) | 2021-08-20 | 2021-08-20 | Detachable and reusable microprism ring cylinder master mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215856390U true CN215856390U (en) | 2022-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121980780.2U Active CN215856390U (en) | 2021-08-20 | 2021-08-20 | Detachable and reusable microprism ring cylinder master mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215856390U (en) |
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2021
- 2021-08-20 CN CN202121980780.2U patent/CN215856390U/en active Active
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