CN1103270C - Method for manufacturing pattern - Google Patents
Method for manufacturing pattern Download PDFInfo
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- CN1103270C CN1103270C CN 99119450 CN99119450A CN1103270C CN 1103270 C CN1103270 C CN 1103270C CN 99119450 CN99119450 CN 99119450 CN 99119450 A CN99119450 A CN 99119450A CN 1103270 C CN1103270 C CN 1103270C
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to a method for manufacturing a prototype mould, which comprises: (1) a preparing raw materials step, (2) a mixing step, (3) a vacuum defoaming step, (4) an injection moulding step, (5) a constant temperature solidification step, (6) a secondary solidification step, (7) a for demoulding step and (8) a trimming step in principle. Because the prototype mould moulded through the manufacture steps is made of hollow powder matching with resin, the structural strength of the prototype mould is between the structural strength wood of and the structural strength of metal; the prototype mould has the advantages of the wood and the metal. Because of the constant temperature solidification step, the prototype mould does not have shrinkage and deformation phenomena; thereby, the prototype can strengthen the toughness of the prototype mould and the stability of materials; the present invention not only can solve the problems of easy water absorption and easy shrinkage and deformation of wood moulds, the problems of difficult repair and difficult processing of metal moulds; the weight of a mould is reduced.
Description
The present invention is the manufacture method of relevant a kind of pattern, and more particularly it is meant a kind of manufacture method that has the pattern of timber and metal advantage concurrently especially.
Before general industrial circle is carried out any product manufacturing, all must produce a prototype model in advance, in other words, the producer can carry out the change of various modifications and design on prototype model, and through finishing final prototype model after the improvement again and again, and this prototype model is the real moulding that manufactures a product thereafter, as shown in the above, the fine degree of the molded work of original shape will cause great influence to finished product backward, so the original shape mould for general industry, has certain importance really.
In the manufacturing of prototype model, all adopted wooden material or metal material to make prototype model usually in the past,,, still found the disappearance of said two devices if study in detail at its shortcoming again though in manufacturing industry, implemented for a long time:
Earlier with regard to the timber molding, because lumber fibre is arranged to such an extent that be very neatly arranged mutually, so its structure has directionality, but this kind structure direction then can make tool feeding that the branch of difficulty or ease is arranged when bearing machining, adds that the water imbibition that the own fiber of lumber fibre itself is had can make prototype model easy deformation, bending; In addition, lumber fibre has the problem of undercapacity again, so though it has advantage with low cost, have the many problems that can't improve simultaneously;
Again with regard to metallic mold, according to the arrangement of its metal crystalline phase as can be known, the arrangement of metallic mold is to change with the different of profile according to heating, cooling, so there is no the problem of cutting direction, but, because the hardness of common metal molding is higher, thus various processing, repair all very difficult, and institute time-consuming more, cost is also higher; In addition, the weight of whole metal system prototype model is very heavy, will make the process operation personnel more inconvenient, so the needs of the new material of further improvement design are arranged.
In addition, this case inventor also once developed a kind of with the hollow powder cooperation prototype model material that resin was constituted, and application case number No. 85108891 cases have now obtained to check and approve bulletin, but this kind pattern but has the problem that structure is not careful, distortion is big after implementing manufacturing; Because all having to make, the manufacture method of aforementioned several patterns commonly used goes up and inconvenience and the defective used, the inventor is with the exploitation of being engaged in Related product for many years, manufacturing experience, and consider the technology of actual operating position and manufacturing, behind the several times detailed think of funiculus, improved one by one at defective commonly used eventually, a realistic manufacturing, use the manufacture method of required pattern.
Primary and foremost purpose of the present invention is to provide a kind of hollow powder collocation prototype model that resin constituted that utilizes, because of its structural strength can be between timber and metal, and can be with the advantage of timber prototype model and metal prototype mould, not only can alleviate mold weight, and can solve in the past that wooden model easily absorbs water, easily contraction distortion is difficult for repairing, is difficult for the problem of processing with metal pattern; So a kind of really manufacture method that has the pattern of timber and metal advantage concurrently of the present invention.
Secondary objective of the present invention is to provide a kind of makes the present invention not have the manufacture method of the pattern of contraction distortion phenomenon with the isothermal curing step, the present invention is after the isothermal curing step, the problem of the easy contraction distortion of mould is in the past eliminated, and prototype model of the present invention need not to reserve in advance and estimates distortion back material processed deal, can strengthen the toughness and the stability of material of prototype model again; So a kind of really manufacture method of not having the pattern of contraction distortion phenomenon of the present invention.
So, according to the manufacture method of a kind of pattern provided by the present invention, be to comprise that following manufacturing step is its feature:
(1). material preparation step: take hollow powder and resin and be the manufacturing raw material, and deal is the hollow powder of 2-50 Unit Weight and the resin of 100 Unit Weights;
(2). batch mixing step: aforementioned manufacturing raw material is mixed mutually, and stirred;
(3). froth in vacuum step: the bubble in the mixed material is eliminated with predetermined manner (chemical formula or mechanical type);
(4). casting step: according to need raw material is shaped as predetermined shape;
(5). the isothermal curing step: with the material temperature control of formed thereby to subzero 10 degree Celsius to 20 degree, and kept 4 to 120 hours, material is pursued cut crystallization to be combined into careful, complete crystalline form;
(6). the regelate step: with material heat to 60 degree Celsius to 110 degree, and, can make the material crystallization in conjunction with complete through four after eight hours, promote the toughness and stability of material crystallization;
(7). withdrawing pattern step: the finished product that is shaped is taken out;
(8). pre-shaping step: the finished product that is shaped is carried out last clean appearance and finishing process.
The object of the present invention is achieved like this: a kind of manufacture method of pattern, be to comprise that following manufacturing step is its feature: material preparation step: take hollow powder and resin and be the manufacturing raw material, and deal is the hollow powder of 2-50 Unit Weight and the resin of 100 Unit Weights; Batch mixing step: aforementioned manufacturing raw material is mixed mutually, and stirred; Froth in vacuum step: the bubble in the mixed material is eliminated with predetermined manner (chemical formula or mechanical type); Casting step: according to need raw material is shaped as predetermined shape; The isothermal curing step: with the material temperature control of formed thereby to subzero 10 degree Celsius to 20 degree, and kept 4-120 hour, make material gradually crystallization be combined into careful, complete crystalline form; Regelate step: material heated to Celsius 60 spend, and, can make the material crystallization, promote the toughness and stability of material crystallization in conjunction with complete through 4 after 8 hours to 110 degree; Withdrawing pattern step: the finished product that is shaped is taken out; Pre-shaping step: the finished product that is shaped is carried out last clean appearance and finishing process.Said resin can be polyamino resin, epoxy resin, polyvinyl resin, polypropylene-resin, poly--the ester resin.Said hollow powder can be hollow ceramic powder, double glazing powder, hollow resin powder.Said isothermal curing step can be divided into different time, paragraph carries out.
Comprehensive the above, the present invention is the manufacture method for a kind of pattern, the present invention is foundation substantially: (1). material preparation step; (2). the batch mixing step; (3). the froth in vacuum step; (4). the casting step; (5). the isothermal curing step; (6) regelate step; (7). the withdrawing pattern step; (8). pre-shaping step; By the prototype model of above-mentioned manufacturing step institute moulding owing to be to utilize hollow powder collocation resin to constitute, therefore structural strength can be between timber and metal, must have timber and metal advantage concurrently, and the isothermal curing step makes prototype model not have the contraction distortion phenomenon, more can strengthen the toughness and the stability of material of prototype model, can solve not only in the past that wooden model easily absorbs water, easily contraction distortion is difficult for repairing, is difficult for the problem of processing with metal pattern, and can alleviate mold weight; So the present invention is a kind of manufacture method that has the pattern of this material and metal advantage concurrently really.
Fig. 1 is a making flow chart of the present invention.
Fig. 2 is a crystalline phase section plan of the present invention.
Fig. 3 is a crystalline phase three-dimensional cutaway view of the present invention.
The figure number part
(10) hollow powder (11) resin
(12) hollow space
Now be described with reference to the accompanying drawings as follows with preferred embodiment:
At first, see also shown in Figure 1ly, the manufacture method of a kind of pattern provided by the present invention is to carry out according to following operating procedure basically:
(1). material preparation step: take hollow powder 10 and resin 11 and be the manufacturing raw material, and deal is the hollow powder 10 of 2-50 Unit Weight and the resin 11 of 100 Unit Weights; This hollow powder 10 can use materials such as hollow ceramic powder, double glazing powder and hollow resin powder, can use polyamino resin, epoxy resin, polyvinyl resin, polypropylene-resin, poly--materials such as ester resin as for 11 of this resins;
(2). batch mixing step: aforesaid hollow powder 10 is mixed mutually with resin 11, and stirred;
(3). froth in vacuum step: the bubble in the compound of hollow powder 10 and resin 11 is eliminated with predetermined manner (chemical formula or mechanical type);
(4). casting step: according to need raw material is shaped as predetermined shape;
(5). the isothermal curing step: with the material temperature control of formed thereby to subzero 10 degree Celsius to 20 degree, and kept 4-120 hour, make material gradually crystallization be combined into careful, complete crystalline form;
(6). regelate step: material heated to Celsius 60 spend, and, can make the material crystallization, promote the toughness and stability of material crystallization in conjunction with complete through four after eight hours to 110 degree;
(7). withdrawing pattern step: the finished product that is shaped is taken out;
(8). pre-shaping step: the finished product that is shaped is carried out last clean appearance and finishing process;
So after the processing via each step, see also shown in Fig. 2, Fig. 3, processing of the present invention is just finished.
What deserves to be mentioned is, the prototype model that the present invention utilizes hollow powder 10 collocation resins 11 to be constituted, its hollow powder 10 can be fixed mutually with resin 11, but the two has certain clearance and hollow space 12, add toughness and elasticity that resin 11 itself is had, so structural strength of the present invention can be between timber and metal, prototype model handling ease not only, intensity is enough, and can be with the advantage of timber prototype model and metal prototype mould, can alleviate mold weight again, and can solve in the past that the wooden model tool easily absorbs water, easily contraction distortion and metal pattern are difficult for repairing, the problem of processing; So a kind of really manufacture method that has the pattern of timber and metal advantage concurrently of the present invention.
On the other hand, the isothermal curing step in the step of the present invention matches with the regelate step, not only can eliminate the contraction distortion phenomenon of prototype model, and can strengthen the toughness and the stability of material of prototype model; Isothermal curing step of the present invention is spent the material temperature control of formed thereby extremely Celsius subzero 10 to 20 degree earlier, and kept 4 to 120 hours, make hollow powder 20 and resin 21 gradually crystallization be combined into careful, complete crystalline form, subsequently, the regelate step with material heat to Celsius 60 spend to 110 the degree, and through four after eight hours, can make hollow powder 20 combine complete with resin 21 crystallizations, promote the toughness and stability of material crystallization, and crystallization is no matter on the plane or the corner, can both be combined into complete crystalline form, not only can solve the problem of the easy contraction distortion of metal prototype mould in the past, and can strengthen the toughness and the stability of material of prototype model, no longer include timber prototype mold water imbibition, easy deformation, crooked, undercapacity is to topic.
Again, even the present invention has material and the characteristics of processing operation of saving, because of the present invention can solve easy contraction distortion of wooden in the past prototype model and the difficult problem of repairing, processing of metal prototype mould, so prototype model of the present invention no longer needs secondary operations, need not to reserve rapidoprint amount after the distortion that the user estimates in advance; So the present invention is a kind of manufacture method with pattern of saving material and processing operating feature really.
Claims (10)
1. the manufacture method of a pattern is to comprise that following manufacturing step is its feature:
(1). material preparation step: take hollow powder and resin and be the manufacturing raw material, and deal is the hollow powder of 2-50 Unit Weight and the resin of 100 Unit Weights;
(2). batch mixing step: aforementioned manufacturing raw material is mixed mutually, and stirred;
(3). froth in vacuum step: the bubble in the mixed material is eliminated with predetermined manner (chemical formula or mechanical type);
(4). casting step: according to need raw material is shaped as predetermined shape;
(5). the isothermal curing step: with the material temperature control of formed thereby to subzero 10 degree Celsius to 20 degree, and kept 4 to 120 hours, make material gradually crystallization be combined into careful, complete crystalline form;
(6). regelate step: material heated to Celsius 80 spend, and, can make the material crystallization, promote the toughness and stability of material crystallization in conjunction with complete through 4 after 8 hours to 110 degree;
(7). withdrawing pattern step: the finished product that is shaped is taken out;
(8). pre-shaping step: the finished product that is shaped is carried out last clean appearance and finishing process.
2. the manufacture method of a kind of pattern as claimed in claim 1 is characterized in that said resin can be a polyamino resin.
3. the manufacture method of a kind of pattern as claimed in claim 1 is characterized in that said resin can be an epoxy resin.
4. the manufacture method of a kind of pattern as claimed in claim 1 is characterized in that said resin can be a polyvinyl resin.
5. the manufacture method of a kind of pattern as claimed in claim 1 is characterized in that said resin can be polypropylene-resin.
6. the manufacture method of a kind of pattern as claimed in claim 1 is characterized in that said resin can be poly--ester resin.
7. the manufacture method of a kind of pattern as claimed in claim 1 is characterized in that said hollow powder can be the hollow ceramic powder.
8. the manufacture method of a kind of pattern as claimed in claim 1 is characterized in that said hollow powder can be the double glazing powder.
9. the manufacture method of a kind of pattern as claimed in claim 1 is characterized in that said hollow powder can be the hollow resin powder.
10. the manufacture method of a kind of pattern as claimed in claim 1, it is characterized in that said isothermal curing step can be divided into different time, paragraph carries out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99119450 CN1103270C (en) | 1999-09-27 | 1999-09-27 | Method for manufacturing pattern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99119450 CN1103270C (en) | 1999-09-27 | 1999-09-27 | Method for manufacturing pattern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1249219A CN1249219A (en) | 2000-04-05 |
| CN1103270C true CN1103270C (en) | 2003-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99119450 Expired - Fee Related CN1103270C (en) | 1999-09-27 | 1999-09-27 | Method for manufacturing pattern |
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| Country | Link |
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| CN (1) | CN1103270C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1093446C (en) * | 2000-04-29 | 2002-10-30 | 华中理工大学 | Fast metal mold producing technology |
| US6565778B2 (en) * | 2001-02-06 | 2003-05-20 | Te-Ming Hsieh | Method for making prototype molds by recycled material |
| CN103624697B (en) * | 2013-12-27 | 2016-05-11 | 云南光电辅料有限公司 | A kind of ceramic abrasive tool preparation method |
| CN103624698B (en) * | 2013-12-27 | 2016-05-11 | 云南光电辅料有限公司 | A kind of heat reactive resin grinding tool preparation method |
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1999
- 1999-09-27 CN CN 99119450 patent/CN1103270C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1249219A (en) | 2000-04-05 |
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