CN1167688A

CN1167688A - Technology for explosive forming of metal relief works

Info

Publication number: CN1167688A
Application number: CN 97107456
Authority: CN
Inventors: 湛世儒
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-04-25
Filing date: 1997-04-25
Publication date: 1997-12-17

Abstract

An explosion forming technology for metallic relief works includes manufacturing metallic female mould of relief, fixing a metal sheet to the female mould, arranging a supporting frame on which explosive is put, hanging them in a deep water pool, detonation, and taking out the mould to obtain finished relief work. Its advantages are low cost, simple operation, high safety and saving time and labour. It is suitable to make bigger metallic relief works in batches.

Description

Technology for explosive forming of metal relief works

What the present invention relates to is a kind of metal relief works technology, particularly be a kind of technology for explosive forming of metal relief works.

At present the method for the raised piece used always of people is to be used for artificial beat and local fetal membrane is made in reconditioning, uses cold punching or heat towards the local goods of technology punch forming, soldering group synthesis type at last.The cost height, take a lot of work, take material, labour intensity is big, can not form batch process, whole anaglyph is bad.

In view of above reason, the objective of the invention is in order to provide a kind of labour intensity less, disposablely make large-scale embossment, can reduce cost, save material, can produce the technology for explosive forming of metal relief works that anaglyph is good in batches.

The object of the present invention is achieved like this: technology of the present invention is as follows:

1/, pattern protract, sculpture model;

2/, turn over mould, according to sculpture model system gypsum die, turn over according to die again and make punch;

3/, molding:, just get the celature negative mold with Manufactured punch progressive type sand molding;

4/, dress mould: on the celature negative mold of having made, place at least one sheet metal and its periphery is pressed on the mould and locate; Row is provided with bracing frame for negative pressure matter in the mould type frame on the mould flat board, presses the desired height installing blasting charge, after the dress mould is finished, metal die is hung in the swimmer's pool, performs the preparation of detonating;

5/, explosive forming: ignite, sheet metal is pressed in the mould type frame, treat its moulding after, mould is sling, remove peripheral moulding, promptly get the raised piece of the sheet metal of moulding, this goods moulding is true to nature, third dimension is strong, lines are distinct.

The thickness of above-mentioned sheet metal is 0.1～1mm, selectes economical with materials according to picture size.

The blasting charge on the above-mentioned bracing frame becomes 45 at least with the maximum breadth of negative mold, and the explosive forming effect is good.

Metallic plate is 1 in the above-mentioned press setter preface, and is moulded effective.

During above-mentioned pattern making procedure, preparation special type facing sand, and add carbon black, and make it easy to molding sand cleaning and reconditioning, make the mold surface finish height.

Behind the above-mentioned shaping techniques under explosive, reply sheet metal raised piece carries out the dark and level processing in border of picture, promptly on the picture plane, progressively carry out mechanical blasting treatment or chemical oxidation corrosion treatment, carrying out pickling polishing and heat-tinting then handles, so clear, the level of pattern line far apart, in bright gay color, gloss is lucid and lively, strengthens its artistic effect.

During the explosive forming operation, ignition charge wraps in to explode in the pond and has produced powerful shock wave, shock wave force is delivered on the plate face of mould by the water in the pond, sheet metal is pressed in the mould type frame, and moulding hangs out swimmer's pool with mould, folding removes peripheral moulding, just gets the sheet metal raised piece.

Compare with the technology that have the sixth of the twelve Earthly Branches, the present invention has following advantage:

1, disposal molding, can make large-scale celature mural painting, gallery picture, large-scale imperial post celature picture, doorframe celature volume sketch, large-scale door and window celature ornamental strips etc. (door and window pilaster all can) make that its moulding is true to nature, third dimension is strong, anaglyph is good, gloss is lucid and lively, svelteness, color shine, can show luxurious, the graceful style and the style in a kind of modern times, has certain artistic ornamental and reserve value, is suitable for domestic and international modernized scale and builds luxurious decoration;

2, safety simple to operate, labour intensity is less, and saving of labor, the convenience that saves time, draws materials can reduce cost, in case the molding that saves material can produce in batches;

3, the artwork Ornament of producing, performance is firm, intensity is high, not modification, protection against the tide, fire prevention, durable, and decorative pattern, color, picture, gloss remain unchanged.

Introduce embodiments of the invention below:

Embodiment 1:

Embodiment 1 is for making large-scale " eight fine horses figure " embossment, and its method is as follows:

1/, pattern protract: as required, draw " eight fine horses figure " celature rough sketch sample and amplify pattern (being used for the prompting of clay sculpture profile lines), then its pattern is placed on the table plane, and press a glass plate (specification is corresponding with its pattern) thereon, and by its artistic conception, on glass plate, use clay sculpture model;

2/, turn over mould, etc. after clay sculpture model finishes, turn over mould with ripe back cream powder: make framed (more bigger the getting final product of peripheral specification conversation structure) with plank earlier, place it in then on the model plate glass that clay sculpture is good and locate, make muscle with expanded metal lath again, use gesso to add water and stir pulping, it is poured in the wooden frame, the calcium plaster that will exceed wooden frame is wipeed off, treat that calcium plaster solidifies the back molding, and the clay mold undercuted in the gypsum mould frame, so just made the gypsum die, treated that the gypsum die dries to turn over after the dehydration to make punch again;

3/, molding is delivered to foundry's progressive type sand molding with the gypsum punch of having made, for reaching the cleannes of die surface, should prepare special facing sand, and adds carbon black, makes it easy to molding sand cleaning and reconditioning, promptly gets a celature negative mold;

4/, dress mould is placed the sheet metal of a thick 0.5mm and the sheet metal periphery is pressed on the mould and locatees on the metal die that has made.Row is negative pressure matter in the mould type frame, and a metal triangular bracing frame is set on the mould flat board simultaneously, and the blasting charge bag makes the dull and stereotyped maximum breadth of the blasting charge and mould angle at 45 thereon.After the press setter preface is finished, again metal die is hung in the swimmer's pool about dark 5m, lay the location after, connect the row pressure pipeline, connect the circuit that detonates, perform the preparation that all detonate;

5/, explosive forming: mould to be installed and Shot-firer are prepared and are ignited after ready, the blasting charge explodes in the pond and has produced powerful shock wave, by the water in the pond shock wave force is delivered on the surface of mould sheet metal is pressed in the mould type frame, after treating mould molding, mould is lifted by crane disembarkation from the pond, remove peripheral moulding, take out " eight fine horses figure " celature of moulding.

6/, later stage PROCESS FOR TREATMENT: carry out the dark and level processing in border of picture earlier, on the picture baseplane, progressively carry out mechanical blasting treatment (also can adopt conventional chemical oxidation corrosion treatment), carry out PROCESS FOR TREATMENT such as conventional pickling polishing and heat-tinting then, strengthen its artistic effect.

Embodiment 2:

Embodiment 2 is for making large-scale imperial post celature.Its preparation method is substantially the same manner as Example 1, does not exist together when being the dress mould, establishes a steel wire on the axial line of negative mold, the fixed cylinder type blasting charge on steel wire.

The pond is at least 3m deeply.

Claims

1, technology for explosive forming of metal relief works is characterized in that described technology is as follows:

1/, pattern protract, sculpture model;

4/, dress mould: on the celature negative mold of having made, place at least one sheet metal and its periphery is pressed on the mould and locate; Row is provided with bracing frame for negative pressure matter in the mould type frame on the mould flat board, presses the desired height installing blasting charge, after the dress mould is finished, the metal negative tool is hung in the swimmer's pool, performs the preparation of detonating;

5/, explosive forming: ignite, sheet metal is pressed in the mould type frame, treat its moulding after, mould is sling, remove peripheral moulding, promptly get the sheet metal raised piece of moulding.

2, technology for explosive forming of metal relief works as claimed in claim 1, the thickness of sheet metal is 0.1～1mm when it is characterized in that described press setter preface.

3, technology for explosive forming of metal relief works as claimed in claim 1 is characterized in that metallic plate is 1 in the described press setter preface.

4, technology for explosive forming of metal relief works as claimed in claim 1 is characterized in that placing the blasting charge on the bracing frame and the maximum breadth angle at 45 at least of negative mold.

5, explosive forming metal relief works technology as claimed in claim 1, when it is characterized in that described pattern making procedure, preparation special type facing sand, and add carbon black, and make it easy to molding sand cleaning and reconditioning, make the fine and clean degree height of die surface.

6, explosive forming metal relief works technology as claimed in claim 1, after it is characterized in that described shaping techniques under explosive, reply sheet metal raised piece carries out the dark and level processing in border of picture, promptly on the picture plane, progressively carry out mechanical blasting treatment or chemical oxidation corrosion treatment, carry out pickling polishing and heat-tinting then and handle.