CN1748970A

CN1748970A - Method for forming multiple color label sheet

Info

Publication number: CN1748970A
Application number: CN 200410077815
Authority: CN
Inventors: 刘坤钟
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-09-15
Filing date: 2004-09-15
Publication date: 2006-03-22

Abstract

The method of forming multiple color label sheet includes: preparing one mold seat, at least one material pushing seat and one mold cover; setting one color sheet with Pt catalyst cross-linking agent over the mold seat, and painting silicon-base stripping agent to one pushing and pressing block of the material pushing seat or the color sheet; closing the material pushing seat and the mold seat to form color sheet with adhered stripping agent in the female mold; setting the base material containing Pt catalyst cross-linking agent on the mold seat; combining the mold cover and the mold seat and heating for cross-linking reaction to fuse the stripping agent, the base material and color sheet to obtain one multiple color label sheet.

Description

The forming method of multi-color label

Technical field

The present invention relates to a kind of labei sheet, particularly relate to a kind of forming method of multi-color label.

Background technology

As shown in Figure 1, the forming method of existing a kind of multi-color label, be to utilize a die holder 1 and several pressing plates 2 in regular turn several to be carried out crush-cutting with the laminate embryonic plate 3 of shape of thermosetting plastic material earlier, each pressing plate 2 all has at least one pushing block 201, impel several pattern units 4 to fill in regular turn in the unit, digital-to-analogue cave 101 of this die holder 1, be placed on (figure does not show) between the die holder 1 and a molding that fills pattern unit 4 with one with the laminate ground plate body of shape of thermosetting plastic material again, when shaping mould and die holder closed and carry out hot pressing after, just can make ground plate body and pattern unit be consolidated into one, and can be made into a multi-color label.

Though, above-mentioned forming method has pattern unit 4 contraposition exactly, can avoid flash or saturating look, reduce fraction defective ... etc. effect, but when the pushing block 201 of this pressing plate 2 when embryonic plate 3 being carried out the crush-cutting operation, this embryonic plate 3 tends to be stained with and sticks on this pushing block 201, and when this pressing plate 2 is desired to produce when separating with this die holder 1, make this pattern unit 4 not only not be retained in the die cavity unit 101, be to be stained with to stick on pushing block 201 and can in die cavity unit 101, break away from the contrary, and can't reach the operation of normal filler.

Moreover, ordinary rubber be shaped, before the sulfuration, all must experience mix, operation such as slice, and after the slice during storage of desire storehouse, must between sheet rubber, smear anti-adhesion agent and prevent to be stained with glutinous purpose to reach, the main composition of this kind anti-adhesion agent is a zinc stearate.

If prevent that this pattern unit 4 is stained with and stick on pushing block 201, and when using above-mentioned anti-adhesion agent, then because this embryonic plate 3 adopts silicon rubber (Silicon Rubber) mostly, and contain with platinum is the crosslinking agent of catalyst, and platinum is active extremely strong, in case when contacting with zinc stearate, zinc stearate can produce reaction with platinum and cause so-called catalyst and poison, and cause crosslinking agent to lose the crosslinked ability that produces because of the shortcoming catalysis, even then carry out hot pressing, but ground plate body and pattern unit can be because uncrosslinked and can't be consolidated into one.

Summary of the invention

The object of the present invention is to provide and a kind ofly when pushing, can utilize mould release to prevent that color chips from producing to be stained with glutinously, and when heating, to utilize mould release to produce the forming method that the effect of merging can make the fixed multi-color label of color chips and gum plate.

The forming method of multi-color label of the present invention, comprise the following step: (A) preparation one die holder, at least one and feeding seat that this die holder is oppositely arranged and one and the die cap that is oppositely arranged of this die holder, this die holder has the depression that a mould end face, is arranged with by this mould end face, and this feeding seat has one and is convexly equipped with downwards and corresponding to the pushing block of this depression by this bottom surface with this mould end face opposed bottom surface and.(B) make the mould top face that tabular colour table is arranged on this die holder with one with the heat-curable silicone rubber material, this colour table contains crosslinking agent, and this colour table one plane, top and this pushing block one pushing surface wherein one to be coated with one be the mould release of substrate with silicon.(C) this feeding seat and this die holder are produced closing, utilize this pushing block that this colour table is pushed towards this depression, just can form a color chips in this depression, this color chips is to having attached this mould release on the plane, a top of mould end face.(D) base material that a color is differed from color chips is arranged on this die holder, and this base material contains crosslinking agent, and makes this mould release between this color chips and this base material.(E) produce closing and heat when this die cap and this die holder, this mould release produces and merges, and carries out cross-linking reaction with this base material, color chips in the lump, and this base material heated solidify to form a gum plate, and this gum plate is fixed with the generation of this color chips.(F) open die holder and die cap, can obtain a multi-color label.

The forming method of multi-color label of the present invention is to use simple steps just to can be made into multi-color label, and is stained with glutinous problem can solve filler the time, can avoid causing catalyst and poison, and can reach the purpose of invention really.

Description of drawings

The present invention is described in detail below in conjunction with drawings and Examples:

Fig. 1 is the pushing filler schematic diagram of existing a kind of labei sheet;

Fig. 2 is the flow chart of the present invention's first preferred embodiment;

Fig. 3 is the plane exploded view of institute's application apparatus of the above-mentioned preferred embodiment of the present invention;

Fig. 4 is the pushing filler schematic diagram of the above-mentioned preferred embodiment of the present invention;

Fig. 5 is that a base material of the above-mentioned preferred embodiment of the present invention is laid schematic diagram, illustrates that a mould release is between a color chips and this base material;

Fig. 6 is the made labei sheet combination section of the above-mentioned preferred embodiment of the present invention.

The specific embodiment

As shown in Figure 2, forming method one preferred embodiment of multi-color label of the present invention comprises the following step:

Step 1: cooperate and to consult Fig. 3, prepare a die holder 10, one and the feeding seat 20, that is oppositely arranged of this die holder 10 be arranged on retainer plate 30 and one and the die cap 40 that is oppositely arranged of this die holder 10 between this die holder 10 and the feeding seat 20.This die holder 10 has the depression 13 that depressed part 12 that a mould end face 11, is arranged with by this mould end face 11 and is arranged with by these depressed part 12 1 bottoms.This feeding seat 20 has one and is convexly equipped with downwards and corresponding to the pushing block 22 of this depression 13 by this bottom surface 21 with these mould end face 11 opposed bottom surface 21 and, this pushing block 22 has a pushing surface 221 in the bottom, it is the mould release 200 of substrate with silicon that this pushing surface 221 can be coated with one in advance, for example can select the oiliness silicon mould release of commercially available US business Dow Corning Corporation (DOW CORNING CO.) model 200 series for use, or the release spraying of water-based silicon of model 316 series.

Step 2: make tabular colour table 100 with one with heat-curable silicone rubber material (Silicon Rubber) and be arranged on this retainer plate 30, and this retainer plate 30 is installed in mould end face 11 tops of this die holder 10, it is the crosslinking agent of catalyst that this colour table 100 contains with platinum, also can select to smear this mould release 200 in advance on this plane 110, colour table 100 1 top.

Step 3: cooperate and consult Fig. 4, this feeding seat 20 and this die holder 10 are produced closing, utilize this pushing block 22 that this colour table 100 is pushed towards this depression 13, just can in this depression 13, form a color chips 100 ', and this color chips 100 ' is to should also having attached this mould release 200 on the plane 110 ', a top of mould end face 11.

Step 4: this feeding seat 20 with respect to this die holder 10 produce away from, and remove this retainer plate 30 and on clout, impel that clout is recyclable to be utilized again.

Step 5: cooperate and consult Fig. 5, the base material 300 that one color is differed from this color chips 100 ' is arranged in the depressed part 12 of this die holder 10, the base material 300 of present embodiment can be solid-state tabular or liquid heat-curable silicone rubber material, and it is the crosslinking agent of catalyst that this base material 300 contains with platinum, and makes this mould release 200 between this color chips 100 ' and this base material 300.

Step 6: when this die cap 40 and this die holder 10 produce closing, and carry out heat cross-linking when reaction, utilizing this color chips 100 ' and this base material 300 all to adopt silicon rubber material, this mould release 200 is the material matching properties of substrate with silicon, can make this mould release 200 produce fusion, and produce cross-linking reaction with this base material 300, color chips 100 ' in the lump, impel this base material 300 to be heated and solidify to form a gum plate 300 ' (as shown in Figure 6), and this gum plate 300 ' produces fixed with this color chips 100 '.

Step 7: open this die holder 10 and die cap 40, just obtain a multi-color label 400 (as shown in Figure 6), this labei sheet 400 has this gum plate 300 ' and is cemented in color chips 100 ' on this gum plate 300 '.

Therefore, the effect of mould release 200 of the present invention is when this feeding seat 20 carries out filler with respect to this die holder 10, can make and produce the glutinous effect of not being stained with between pushing block 22 and the colour table 100.And this mould release 200 also can be when these base material 300 desires be carried out cross-linking reaction with this color chips 100 ', because the characteristic of material and silicon rubber coupling, and can produce fusion, and produce cross-linking reaction in the lump with base material 300, color chips 100 ', and make when base material 300 cross-linking reactions form gum plate 300 ', must be consolidated into one with this color chips 100 ', and can not cause the phenomenon that catalyst is poisoned.

What deserves to be mentioned is, if this colour table 100, base material 300 contained crosslinking agents are not catalyst with platinum, certainly cause the problem that catalyst is poisoned with regard to not having, and utilize the effect of mould release 200, not only can make and produce the glutinous effect of not being stained with between pushing block 22 and the colour table 100, and also can utilize the characteristic of material coupling, impel color chips 100 ' and base material 300 to produce cross-linking reaction.

Claims

1. the forming method of a multi-color label is characterized in that comprising the following step:

(A) preparation one die holder, at least one and feeding seat that this die holder is oppositely arranged and one and the die cap that is oppositely arranged of this die holder, this die holder has the depression that a mould end face, is arranged with by this mould end face, and this feeding seat has one and is convexly equipped with downwards and corresponding to the pushing block of this depression by this bottom surface with this mould end face opposed bottom surface and;

(B) make the mould top face that tabular colour table is arranged on this die holder with one with the heat-curable silicone rubber material, this colour table contains crosslinking agent, and this colour table one plane, top and this pushing block one pushing surface wherein one to be coated with one be the mould release of substrate with silicon;

(C) this feeding seat and this die holder are produced closing, utilize this pushing block that this colour table is pushed towards this depression, can form a color chips in this depression, this color chips is to having attached this mould release on the plane, a top of mould end face;

(D) base material that a color is differed from color chips is arranged on this die holder, and this base material contains crosslinking agent, and makes this mould release between this color chips and this base material;

(E) this die cap and this die holder produce closing and heat, and this mould release produces and merges, and carries out cross-linking reaction with this base material, color chips in the lump, and this base material heated solidify to form a gum plate, and this gum plate is fixed with the generation of this color chips;

(F) open die holder and die cap, obtain a multi-color label.

2. the forming method of multi-color label as claimed in claim 1, it is characterized in that: the base material of this step (D) is solid-state tabular.

3. the forming method of multi-color label as claimed in claim 1 is characterized in that: the base material of this step (D) is for liquid tabular.

4. the forming method of multi-color label as claimed in claim 1, it is characterized in that: the contained crosslinking agent of colour table of this step (B) is to be catalyst with platinum, the contained crosslinking agent of the base material of this step (D) also is to be catalyst with platinum.