CN101905619B - Roller structure for seamless molding press - Google Patents
Roller structure for seamless molding press Download PDFInfo
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- CN101905619B CN101905619B CN2009103081777A CN200910308177A CN101905619B CN 101905619 B CN101905619 B CN 101905619B CN 2009103081777 A CN2009103081777 A CN 2009103081777A CN 200910308177 A CN200910308177 A CN 200910308177A CN 101905619 B CN101905619 B CN 101905619B
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Abstract
The invention discloses a roller structure for a seamless molding press, belongs to the technical field of laser holographic mold pressing, and solves the problem that the conventional holographic seamless molding press cannot really realize seamless mold pressing by gradually reducing the temperature through the traditional cooling water channel. The roller structure for the seamless molding press comprises a cylindrical roller body, and is characterized in that: a temperature jump region where the temperature is accidently reduced is formed on an outer circumferential surface of the roller body; and the jump region is formed along the axial direction of the roller body. The roller structure for the seamless molding press can really realize the seamless mold pressing, has no shadow on two sides of a slot, and improves the product quality.
Description
[technical field]
The invention belongs to the laser holographic molding technical field, relate to a kind of roller structure for seamless molding press.
[background technology]
The principle of holographic seamless molding press is to wrap in the mother matrix with hologram pattern on the version roller of moulding press; The roller of heating version then; Between version roller and the pressure roller of the plastic sheeting that scribbles Information Level, be stamped in the hologram pattern on the mother matrix on the plastic sheeting by the press fit device and the transmission device of moulding press through moulding press.
Because mother matrix wraps on edition roller, a seam must be arranged, the hologram pattern that this example edition roller whenever turns around on film also has a seam.In order to eliminate this seam, traditional holographic seamless molding press all adopts two roller structures, promptly divides secondary mould pressing; First version roller all carries out mold pressing with hologram pattern; On film, form the version seam, accurately confirm the position of second version roller then, make second version roller carry out mold pressing; Key point is; Mold pressing for the second time covers the version seam that mold pressing for the first time forms, and the version seam of mold pressing for the second time just in time is in the pattern that mold pressing for the first time forms and does not demonstrate the version seam that mold pressing for the second time produces simultaneously, realizes seamless molded in this way.
The version seam that mold pressing is for the second time produced does not show; Traditional method is to increase a cooling-water duct at the version seam place of second version roller; Second version roller version seam place turned cold, thereby do not demonstrate the version seam of mold pressing for the second time, and show the pattern of mold pressing for the first time herein.Its principle is to impress out the hologram pattern of wash rice clearly on the film of Information Level scribbling; Must make edition roller be heated to certain temperature makes Information Level softening; This temperature is generally between 140 ℃～160 ℃, and the version roll temperature just can not show any hologram pattern on the film below 100 ℃ the time.And the hologram pattern that the version roll temperature just might occur bluring between 100 ℃～140 ℃ the time.
But,, after the heating of version roller, become low more from the nearlyer temperature of cooling-water duct because cooling-water duct is out at the version roller near the outer peripheral face place.Cooling zone between the seam of cooling-water duct and mother matrix is the part of edition roller; Be connected with other parts of version roller; Because the version roller thermal conductivity that steel is processed is better, the temperature that has influence on the cooling zone can not be reduced to the temperature that needs, and makes second version roller version seam really accomplish not show; In addition; Near the cooling-water duct periphery is cold and hot intersection; The temperature at this place is the process of a gradual change, forms two very wide excessive temperature districts in the both sides of mother matrix seam, and some temperature of this excessive temperature district is between 100 ℃～140 ℃; The result who produces produces two very wide shadows on two limits of version seam, thereby can not accomplish real seamless.
[summary of the invention]
The present invention is directed to the defective of above-mentioned existence, a kind of roller structure for seamless molding press is provided, can't just really accomplish seamless molded defective to solve the method that adopts traditional cooling-water duct to make temperature produce the gradual change reduction; This roller structure for seamless molding press can be accomplished just really seamless molded, and the both sides of version seam are unshadowed.
For this reason; The present invention adopts following technical scheme: a kind of roller structure for seamless molding press, comprise version roller body cylindraceous, and it is characterized in that; Be provided with the temperature jump zone that temperature generation sudden change is reduced at the outer peripheral face place of said version roller body, the regional axial setting of this sudden change along the version roller body.
When this edition roller uses, mother matrix is wrapped in outside edition roller, the seam of mother matrix just in time is positioned at this zone.The version roller is heated, and the temperature that makes edition roller is between 140 ℃～160 ℃.The seam of mother matrix is positioned at this zone; Through the heat transmission; Make heat be delivered to the temperature jump zone, produce sudden change, make the temperature that the temperature jumping characteristic drops to be needed at the temperature jump regional temperature; Thereby greatly dwindle the excessive temperature district that the temperature gradual change produces, avoid producing two very wide shadows on two limits of version seam.The sudden change here refers to temperature and produces significantly variation at short notice, is different from the continuous gradation of temperature.
As the first kind of scheme that produces temperature jump; In above-mentioned roller structure for seamless molding press; Described temperature jump zone comprises groove that is opened on edition roller body outer peripheral face and the metal tube that is fixed in the groove, and the thermal conductivity factor of metal tube is less than the thermal conductivity factor of version roller.After the heating of version roller, version roller body temperature rises, in the time of in heat is delivered to the temperature jump zone; Because the thermal conductivity factor of metal tube is less; Heat can produce temperature jump when the version roller body is delivered to metal tube, temperature is descended, and the temperature jump of metal tube is reduced; The variations in temperature zone is very little, thereby when contour forging, can not be shaped shadow.Form the seamless holographic product of real meaning.
In above-mentioned roller structure for seamless molding press, through the high temperature resistant inorganic glue bond, the side of metal tube is connected with the groove tight fit between described metal tube bottom and the bottom portion of groove.Can play thermal insulation and the effect that is connected metal tube and groove through refractory inorganic adhesive.This refractory inorganic adhesive can be buied from market.
In above-mentioned roller structure for seamless molding press, described metal tube is a stainless steel tube.Because stainless thermal conductivity is relatively poor, the thermal conductivity factor of steel is 50W/m * k, and stainless thermal conductivity factor is 17W/m * k, and the two differs three times, just forms the process of a sudden change like this in cold and hot intersection temperature.
In above-mentioned roller structure for seamless molding press, described metal tube forms smooth cambered surface with the outer peripheral face of version roller body.With two limit chamferings of groove, weld metal tube and groove with inferior arc-welding at the chamfering place on both sides; After again through stress removing, surperficial mill garden, chromium plating polishing forms.
As the second kind of scheme that produces temperature jump; In above-mentioned roller structure for seamless molding press; Described temperature jump zone comprises two parallel tabular bar-shaped troughs that are opened in edition roller body; In tabular bar-shaped trough, thermal insulation board is set, offers the cooling water through hole in the version roller body between said thermal insulation board, described cooling water through hole is near the outer peripheral face of version roller body.Through two thermal insulation boards version roller body and temperature jump region separation are opened; Heat can only be from importing the temperature jump zone between two thermal insulation boards; And between two thermal insulation boards, be provided with the cooling water through hole; Through the greenhouse cooling of cooling water to the temperature jump zone, its temperature has been reduced to required temperature when heat arrives the outer peripheral face in temperature jump zone, makes the temperature of the outer peripheral face in edition roller body and temperature jump zone produce sudden change.
In above-mentioned roller structure for seamless molding press, described thermal insulation board adopts the calcium silicate having high strength thermal insulation board, and thermal insulation board forms smooth cambered surface with the outer peripheral face of version roller body.Thermal insulation board requires to have higher intensity and effect of heat insulation preferably.
As the third scheme that produces temperature jump; In above-mentioned roller structure for seamless molding press; Described temperature jump zone comprises the L shaped hole of the flat that is opened in two symmetries in edition roller body; In L shaped hole, fill the resistance hot material, offer the cooling water through hole in the version roller body between said L shaped hole, described cooling water through hole is near the outer peripheral face of version roller body.Stop heat to be delivered to the temperature jump zone through the resistance hot material; And between two resistance hot materials, be provided with the cooling water through hole; Through the greenhouse cooling of cooling water to the temperature jump zone; Its temperature has been reduced to required temperature when heat arrives the outer peripheral face in temperature jump zone, makes the temperature of the outer peripheral face in edition roller body and temperature jump zone produce sudden change.
Beneficial effect of the present invention is embodied in: this roller structure for seamless molding press is provided with at the outer peripheral face place of version roller body and makes temperature produce the temperature jump zone that sudden change reduces; This temperature jump zone can make temperature produce sudden change; Drop near 100 ℃ from the temperature moment more than 140 ℃, make second version roller version seam really accomplish not show; Temperature used time that descends is short, forms two very little excessive temperature districts in the both sides of mother matrix seam, eliminates the very wide shadow in two limits of version seam, thereby accomplishes real seamlessly, improves the quality of product.
[description of drawings]
Fig. 1 is the structural representation of version roller of the present invention.
Fig. 2 is the architecture sketch map of embodiment 1.
Fig. 3 is the architecture sketch map of embodiment 2.
Fig. 4 is the architecture sketch map of embodiment 3.
Among the figure, version roller body 1; Groove 11; Tabular bar-shaped trough 12; Cooling water through hole 13; L shaped hole 14; Temperature jump zone 2; Metal tube 3; Refractory inorganic adhesive 4; Thermal insulation board 5; Resistance hot material 6.
[specific embodiment]
Below in conjunction with the Figure of description and the specific embodiment substantive distinguishing features of the present invention is further described.
As shown in Figure 1, this roller structure for seamless molding press comprises version roller body 1 cylindraceous, is provided with at the outer peripheral face place of version roller body 1 to make temperature produce the temperature jump zone 2 that sudden change reduces, and this sudden change zone is along the axial setting of version roller body.Mother matrix is wrapped in outside edition roller, and the seam of mother matrix just in time is positioned at this zone.Make heat be delivered to temperature jump zone 2, temperature produces sudden change, makes the temperature that the temperature jumping characteristic drops to be needed, thereby greatly dwindles the excessive temperature district that the temperature gradual change produces, and avoids producing two very wide shadows on two limits of version seam.Therefore, can be implemented in through following four kinds of schemes and produce temperature jump on edition roller body 1:
Embodiment 1:
In conjunction with Fig. 1, as shown in Figure 2, on version roller body 1 outer peripheral face, offer square groove 11; The metal tube 3 of thermal conductivity factor less than the thermal conductivity factor of version roller is set in groove 11, adopts the stainless steel square tube in this example, stainless thermal conductivity is relatively poor; The thermal conductivity factor of steel is 50W/m * k; And stainless thermal conductivity factor is 17W/m * k, and the two differs three times, just forms the process of a sudden change like this in cold and hot intersection temperature.Metal tube 3 adopts owing to not boning through refractory inorganic adhesive 4 between metal tube 3 bottoms and groove 11 bottoms, and the side of metal tube 3 is connected with groove 11 tight fits, and refractory inorganic adhesive 4 can play thermal insulation and be connected metal tube 3 and the effect of groove 11.The outer peripheral face of version roller body 1 needs smooth arcwall face, therefore, and with two limit chamferings of groove 11; At both sides chamfering place with inferior arc-welding with after metal tube 3 and groove 11 welding again through stress removing; The surface rounding, the chromium plating polishing, metal tube 3 forms smooth cambered surface with the outer peripheral face of version roller body 1.
After the heating of version roller, version roller body 1 temperature rises, in the time of in heat is delivered to temperature jump zone 2; Because the thermal conductivity factor of metal tube 3 is less; Heat can produce temperature jump when version roller body 1 is delivered to metal tube 3, temperature is descended, and the temperature jump of metal tube 3 is reduced; The variations in temperature zone is very little, thereby when contour forging, can not be shaped shadow.
Embodiment 2:
In conjunction with Fig. 1, as shown in Figure 3, in version roller body 1, offer two parallel tabular bar-shaped troughs 12, in tabular bar-shaped trough 12, thermal insulation board 5 is set, thermal insulation board 5 adopts calcium silicate having high strength thermal insulation board 5, and thermal insulation board 5 forms smooth cambered surface with the outer peripheral face of version roller body 1.Offer cooling water through hole 13 in the version roller body 1 between thermal insulation board 5, cooling water through hole 13 is near the outer peripheral face of version roller body 1.Through two thermal insulation boards 5 version roller body 1 and temperature jump zone 2 are separated; Heat can only be from importing temperature jump zone 2 between two thermal insulation boards 5; And between two thermal insulation boards 5, be provided with cooling water through hole 13; Through the greenhouse cooling of cooling water to temperature jump zone 2, its temperature has been reduced to required temperature when heat arrives the outer peripheral face in temperature jump zone 2, makes edition roller body 1 and the temperature of the outer peripheral face in temperature jump zone 2 produce sudden change.
Embodiment 3:
In conjunction with Fig. 1, as shown in Figure 4, in version roller body 1, offer the L shaped hole 14 of the flat of two symmetries, in L shaped hole 14, fill resistance hot material 6, resistance hot material 6 can be buied on market.Offer cooling water through hole 13 in the version roller body 1 between L shaped hole 14, cooling water through hole 13 is near the outer peripheral face of version roller body 1.Stop heat to be delivered to temperature jump zone 2 through resistance hot material 6; And between two resistance hot materials 6, be provided with cooling water through hole 13; Through the greenhouse cooling of cooling water to temperature jump zone 2; Its temperature has been reduced to required temperature when heat arrives the outer peripheral face in temperature jump zone 2, makes edition roller body 1 and the temperature of the outer peripheral face in temperature jump zone 2 produce sudden change.
Claims (2)
1. roller structure for seamless molding press; Comprise version roller body (1) cylindraceous; It is characterized in that be provided with the temperature jump zone (2) that temperature generation sudden change is reduced at the outer peripheral face place of said version roller body (1), this sudden change regional (2) is along the axial setting of version roller body (1);
Described temperature jump zone (2) comprises two parallel tabular bar-shaped troughs (12) that are opened in edition roller body (1); Thermal insulation board (5) is set in tabular bar-shaped trough (12); Offer cooling water through hole (13) in the version roller body (1) between said thermal insulation board (5), described cooling water through hole (13) is near the outer peripheral face of version roller body (1).
2. a kind of roller structure for seamless molding press according to claim 1 is characterized in that, described thermal insulation board (5) adopts calcium silicate having high strength thermal insulation board (5), and the outer peripheral face of thermal insulation board (5) and version roller body (1) forms smooth cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103081777A CN101905619B (en) | 2009-10-10 | 2009-10-10 | Roller structure for seamless molding press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103081777A CN101905619B (en) | 2009-10-10 | 2009-10-10 | Roller structure for seamless molding press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101905619A CN101905619A (en) | 2010-12-08 |
| CN101905619B true CN101905619B (en) | 2012-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103081777A Expired - Fee Related CN101905619B (en) | 2009-10-10 | 2009-10-10 | Roller structure for seamless molding press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101905619B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4377336A (en) * | 1981-06-08 | 1983-03-22 | Bunnington Corporation | Heated pressure rolls |
| CN201186522Y (en) * | 2008-01-02 | 2009-01-28 | 刘瑞宁 | Internal cooling holographic plate roller and non-plate seam holographic molding press |
| CN101428494A (en) * | 2007-11-09 | 2009-05-13 | 吴小华 | Contour forging printing plate roller |
| CN201317153Y (en) * | 2008-11-26 | 2009-09-30 | 章国雨 | Novel laser film press seamless film roll |
-
2009
- 2009-10-10 CN CN2009103081777A patent/CN101905619B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4377336A (en) * | 1981-06-08 | 1983-03-22 | Bunnington Corporation | Heated pressure rolls |
| CN101428494A (en) * | 2007-11-09 | 2009-05-13 | 吴小华 | Contour forging printing plate roller |
| CN201186522Y (en) * | 2008-01-02 | 2009-01-28 | 刘瑞宁 | Internal cooling holographic plate roller and non-plate seam holographic molding press |
| CN201317153Y (en) * | 2008-11-26 | 2009-09-30 | 章国雨 | Novel laser film press seamless film roll |
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| Publication number | Publication date |
|---|---|
| CN101905619A (en) | 2010-12-08 |
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Granted publication date: 20121128 Termination date: 20151010 |
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