CN201807833U - Continuous compound forming device of cooper-aluminum compound board - Google Patents
Continuous compound forming device of cooper-aluminum compound board Download PDFInfo
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- CN201807833U CN201807833U CN2010205387111U CN201020538711U CN201807833U CN 201807833 U CN201807833 U CN 201807833U CN 2010205387111 U CN2010205387111 U CN 2010205387111U CN 201020538711 U CN201020538711 U CN 201020538711U CN 201807833 U CN201807833 U CN 201807833U
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Abstract
The utility model discloses a compound forming device, which comprises a rotatably-arranged extrusion roller, an aluminum plate substrate forming die and a rolling roller, wherein the aluminum plate substrate forming die and the rolling roller are arranged around the feeding direction; the aluminum plate substrate forming die is provided with inner concave cylinder surfaces which are arranged relative to the outer circumferential surface of the extrusion roller at intervals; the inner concave cylinder surfaces have consistent axial directions with the extrusion rollers; a curved arc section is arranged on each inner concave cylinder surface in the feeding direction, wherein the space between the curved arc section and the outer circumferential surface of the extrusion roller is gradually reduced; a deformation area by which the aluminum plate substrate generates plastic formation is formed between the curved arc section and the outer circumferential surface of the extrusion roller; and the rolling roller is assembled between an outlet of the deformation area and the outer circumferential surface of the extrusion roller to form a rolling area. By adopting the compound forming device, the composite material plate or belt by taking the aluminum plate or copper plate as the substrate can be continuously produced, the production process is simplified, the production cost is reduced and the production efficiency is greatly improved.
Description
Technical field
The utility model relates to the continuously extruded of a kind of composite and crimping compound forming technique, particularly a kind of continuous compound molding device of copper-aluminum composite board material.
Background technology
Metallic copper has favorable conductive, heat conduction, corrosion resistant and bacteriostasis property, thereby is widely used, but the relatively shortage of the copper resource of China, price is higher.And China's bauxite resource is abundanter, and the density of aluminium is lower, and low price has become good copper substituting material in a lot of fields.Yet the conduction of aluminium, heat conductivility be not as copper, and welding, arc extinguishing, performance such as wear-resisting are also relatively poor, therefore in some occasion, as product scopes such as switch, fin, rebounds, are difficult with the direct instead of copper of aluminium.At present, the aluminum bronze composite of the advantage of low cost of a kind of high stability that combines copper and aluminium has substituted fine copper or pure aluminum material gradually, the aluminum bronze composite has been widely used in every field such as electric power, heat transfer, military project, electronic computer, electric elements, aerospace field, automobile with its special combination property.
Over more than 30 year, scientific and technical personnel have carried out more research to the production technology of aluminum bronze composite.Britain's scholar's research in 1966 goes out liquid aluminium or its alloy that will have inert gas and is ejected into copper metallic face, then that metallic aluminium and the above-mentioned copper metal that is covered with aluminium is compound under hot state, thereby obtain the combination process of aluminum bronze composite, but aluminium is relatively poor with combining of metallic copper matrix in the composite that this technology makes, and the intensity of composition metal is lower; Japanese scholar in 1981 works out by cold rolling nickel foil is covered on the aluminium, then with above-mentioned aluminium annealing, again with through the copper material of annealing by cold rolling, obtaining intermediate course after the annealing is the combination process of the aluminum bronze composite of nickel, but adopts rolling and annealing combination process, its complex process, improved production cost of products, and the reduction ratio of cold rolling pass is higher, the bearing capacity of rolling equipment is had relatively high expectations, the equipment heaviness, cost is higher; Chinese scholar in 1989 works out copper strips is heated to 200 ℃ with aluminium foil, and it is rolling and obtain being covered with the copper strips of aluminium foil, again with this band and aluminium strip hot rolling, obtain the combination process of aluminum bronze composite, but adopt the heat-tinting temperature lower (180 ℃) of hot-rolled and cold-rolled combination process, so the heating-up temperature of copper strips can not be very high owing to copper, the composite effect that heats before this rolls with regard to having weakened and bring, thereby need post bake, and the technological operation complexity, product cost is higher.
At present the preparation method of comparative maturity is, oxide-film is removed in aluminium core outside and copper pipe inner face, and the aluminium core is pressed in the copper pipe, by stretching or rollingly make that solid phase combines between copper pipe and aluminium core, and forms the bimetallic material of required appearance and size.Product surface light zero defect, but its complex process, cost is higher.
The utility model content
The purpose of this utility model is: provide a kind of compound molding device that can prepare the aluminum bronze composite by continuously extruded welding technology, to solve production of copper aluminum composite plate complex process, cost problem of higher in the prior art.
For achieving the above object, the technical scheme that compound molding device of the present utility model adopted is: a kind of compound molding device, described device comprises that rotating the compression roller and the aluminum plate foundation material forming mould along feed direction around the compression roller setting that are provided with closes roller with rolling, has the indent cylinder that is provided with compression roller outer circumference surface relative spacing on the aluminum plate foundation material forming mould, this indent cylinder is axial consistent with compression roller, the indent cylinder has the diminishing curved arc section of spacing between a section and the compression roller outer circumference surface on the feed direction, constitute between this curved arc section and the compression roller outer circumference surface and order about the deformed area that aluminium produces plastic deformation, roll and close between exit that roller is assemblied in the deformed area and the compression roller outer circumference surface formation and roll and close the district.
On the indent cylinder on the described aluminum plate foundation material forming mould, also has one section arc section that equidistantly cooperates with described compression roller outer circumference surface, constitute preliminary occlusal area between this arc section and the compression roller outer circumference surface, this preliminary occlusal area is positioned at the front portion of deformed area on feed direction, aluminium sheet base material finishing die chamber is formed in preliminary occlusal area and deformed area.
Be provided with the aligning mould in the described exit of closing the district of rolling, this aligning mould comprises two clamping plate that are provided with relatively at interval, one of them clamping plate is near the outer peripheral face of compression roller, another clamping plate are near rolling the outer peripheral face that closes roller, form the crimping aligning chamber of passing through for composite plate between two clamping plate, described aligning chamber is along described compression roller and the vertical line direction extension of rolling the line of centres that closes between the roller.
Described extrusion roll shaft to two ends respectively radial loop be provided with the retaining edge, described aluminum plate foundation material forming mould along extrusion roll shaft to two ends respectively with the retaining at compression roller two ends along matched in clearance.
Rotate near the porch of die cavity on the outer circumference surface of compression roller and be provided with homoaxial compression roll, this compression roll pushes with compression roller and cooperates, the two ends of compression roll respectively with described retaining along matched in clearance.
Described roll close roller two ends respectively with described retaining along matched in clearance.
Also be provided with a boots piece at described aluminum plate foundation material forming mould near rolling the end of closing roller, this boots piece is provided with along rolling and closes the cambered surface that the roller outer peripheral face circumferentially extends towards rolling the end face that closes roller, and the cambered surface of boots piece is installed with the gap of passing through for the aluminium sheet base material and forms and supply copper coin to roll the gathering sill that closes the district by entering with rolling to close between the roller outer peripheral face.
Close roller and rotate near described gathering sill porch and be provided with guide wheel described rolling, guide wheel cooperates with rolling to close to push between the roller.
Import department at described gathering sill also is provided with the cleaning roller that is used to clear up copper coin surface impurity and oxide layer.
The utility model compared with prior art has the following advantages:
1., the utility model adopts continuous compound molding device, can uninterruptedly produce continuously with aluminium sheet and copper coin is the composite board or the band of base material, production efficiency greatly improves;
2., the utility model adopts the aluminium base to produce plastic deformation by die cavity and forms qualified aluminium sheet base material, simplified production technology, reduced production cost, further improved production efficiency;
3., the utility model adopts heat that the aluminium base self produces in moulding deformation process for the preheating of aluminium base and copper coin with roll to close temperature is provided, and need not to connect in addition heating system, reduced the energy consumption of equipment, thereby further reduced production cost;
4., the utility model adopts the aluminium sheet base material is crimped on by the zap-lop machine structure with copper coin, realizes the Diffusion Welding of aluminium sheet base material and copper coin by the heat that produces in the aluminium sheet base material operation of rolling, its bond strength height, presentation quality is good.
5., compound molding device of the present utility model is simple in structure, easy to operate, the composite board that not only can be used for fine aluminium, aluminium alloy and fine copper, copper alloy is shaped, and also can be used for the shaping of the composite plate of materials such as other metal material such as nickel, stainless steel and copper, aluminium and alloy thereof.
Description of drawings
Fig. 1 is the structural representation of compound molding device specific embodiment of the present utility model.
The specific embodiment
The specific embodiment of compound molding device of the present utility model is (direction of arrow is the compression roller rotation direction among the figure) as shown in Figure 1, it comprises compression roller 2 and is centered around the compression roll 1 of the periphery of compression roller 2 along the setting of feed direction order, aluminum plate foundation material forming mould 3, boots piece 4 and roll and close roller 8, the circumferential squeezing groove g that is provided with on the outer peripheral face of compression roller 2, compression roll 1 cooperates with the squeezing groove g of compression roller 2 forms rolling mechanism, between compression roll 1 and compression roller 2, be formed for the rolling district a of aluminum base 12, has the indent cylinder that is provided with compression roller 2 outer circumference surface relative spacings on the aluminum plate foundation material forming mould 3, this indent cylinder is axial consistent with compression roller 2, constitute a die cavity between the outer circumference surface of this indent cylinder and compression roller 2, this indent cylinder on the feed direction by the arc section of equidistant matched in clearance between a section and compression roller 2 outer circumference surfaces and one section and compression roller 2 outer circumference surfaces between the diminishing curved arc section of spacing form, arc section near the inlet of die cavity and and compression roller 2 outer circumference surfaces between constitute preliminary occlusal area b, the curved arc section near the outlet of die cavity and and compression roller 2 outer circumference surfaces between constitute and order about the deformed area c that aluminium produces plastic deformation.Radial loop is provided with retaining along making circumferential squeezing groove g of formation on the outer circumference surface of compression roller 2 respectively at the axial two ends of compression roller 2, aluminum plate foundation material forming mould 3 along the axial two ends of compression roller 2 respectively with corresponding retaining along matched in clearance, make preliminary occlusal area b between aluminum plate foundation material forming mould 3 and the compression roller 2 and the common die cavity that constitutes of deformed area c in axial closed at both ends, both ends open is banded structure on feed direction.Roll and close the exit that roller 8 is arranged on die cavity, close district e rolling to close between roller 8 and the compression roller 2 to form to roll, at aluminum plate foundation material forming mould 3 and roll to close and be provided with a boots piece 4 between the roller 8, closely contact between boots piece 4 and the aluminum plate foundation material forming mould 3, this boots piece 4 is provided with along rolling and closes the cambered surface that the roller outer peripheral face circumferentially extends towards rolling the end face that closes roller 8, and the cambered surface of boots piece is installed with the gap of passing through for the aluminium sheet base material and forms and supply copper coin to roll the gathering sill that closes the district by entering with rolling to close between the roller outer peripheral face.
At boots piece 4 and roll to close and leave the gap between the roller 8 and form to enter and roll the gathering sill that closes district e for copper coin 7, be provided with rolling in the import department of gathering sill and close the copper coin guide wheel 5 that roller 8 cooperates, be set up in parallel the cleaning roller 6 that is useful on cleaning copper coin 7 surface impurities and oxide layer away from a side of gathering sill at copper coin guide wheel 5.Roll close the district e the exit be provided with straightening mechanism, this straightening mechanism comprises two clamping plate 9,10 that are provided with relatively at interval, two clamping plate 9,10 are along compression roller 2 and roll the common tangent direction of closing roller 8 and extend, wherein, one end of clamping plate 9 with roll the outer peripheral face matched in clearance of closing roller 8, one end of clamping plate 10 and the outer peripheral face matched in clearance of compression roller 2 form crimping aligning district f between two clamping plate 9,10.
Method of the present utility model as shown in Figure 1, with the cross section is that the bar-shaped aluminium base 12 of circle or rectangle is sent into by the rolling district a between compression roll 1 and the compression roller 2, rolling under the cooperation usefulness of compression roll 1 and compression roller 2, aluminium base 12 produces a certain amount of distortion and begins to take shape board-like material, and can and 2 of compression rollers produce certain snap-in forces, make it under the drive of compression roller 2, enter the preliminary occlusal area b of die cavity, simultaneously, the heat that is produced by friction that produces between compression roll 1 and compression roller 2 and the aluminium base 12 and 12 extrusions of aluminium base makes the aluminium base self have certain temperature, realizes the preheating to the aluminium base; Spacing among the thickness of the tabular aluminium of preliminarily forming and the preliminary occlusal area b between the outer circumference surface of the arc section of aluminum plate foundation material forming mould 3 and compression roller 2 is suitable, make the enough driving forces of further interlock acquisition between tabular aluminium and the compression roller 2, because the preliminary occlusal area b in the die cavity has certain length, make tabular aluminium in preliminary occlusal area b, obtain enough driving energy and enter into deformed area c from compression roller 2, the extruding of the curved arc section by aluminum plate foundation material forming mould 3 and compression roller 2 outer peripheral faces in deformed area c of tabular aluminium produces plastic deformation under cooperating, forming certain thickness aluminium sheet base material enters to roll from the outlet of die cavity output and closes the district e, simultaneously, the heat that tabular aluminium produces when plastic deformation further heats the aluminium sheet base material makes it enough be carried out the temperature of Diffusion Welding, roll and close roller 8 and cooperate the copper coin 7 of will be having been removed surface impurity by cleaning roller 6 to send in the gathering sill with copper coin guide wheel 5, the heat that is produced by tabular aluminium plastic deformation passes to copper coin 7 by aluminum plate foundation material forming mould 3 and boots piece 4, and copper coin 7 is realized preheating.Copper coin 7 enters into to roll through gathering sill and closes district e and merge to be rolled with the aluminium sheet base material and close roller 8 and roll combined pressure and connect, in rolling the combined pressure termination process, the counterdiffusion and form connection mutually of atom between aluminium sheet base material and copper coin 7 contact-making surfaces, thereby realize that the Diffusion Welding preliminarily forming is the copper-aluminum composite board equipment structure, the copper-aluminum composite board material of preliminary combination is extruded roller 2 and rolls and closes roller 8 and pinch jointly by two clamping plate 9, in 10 straightening mechanisms of forming, two clamping plate 9, the aligning chamber f that forms between 10 is to further obvolvent crimping of the copper-aluminum composite board material of preliminary combination and aligning, make and realize Diffusion Welding between copper coin 7 and the aluminium sheet base material fully, further strengthen being connected between copper coin and the aluminium sheet, make it finally to become high bond strength, high-quality copper-aluminum composite board material or band 11.
The utility model adopts the mode of diffusion welding (DW), and copper coin to be welded and aluminium sheet are fitted tightly, and keeps a period of time under uniform temperature and pressure, makes the atom phase counterdiffusion between the contact-making surface and forms connection.The principal element that influences diffusion welding (DW) process and welding quality is temperature, pressure, diffusion time and surface cleanness.Welding temperature is high more; the atom diffusion is fast more; and to metal material particularly aluminium and alloy etc. thereof; thereby can produce surface oxidation during heating and influence welding quality; so; the general employing carried out under vacuum or protective gas condition, but this has increased the complexity of cost and technology, is difficult under many circumstances realize.The utility model is out of shape the aluminium base under closed state, become required sheet material, and the heat that utilizes plastic deformation to produce is heated to material temperature required and do not produce surface oxidation, then fit with sheet copper, by compression roller with roll and close roller pressure is provided, make its connection.The pressure of Diffusion Welding is less, and material can not produce macroscopical plastic deformation, and product has higher presentation quality.The utility model adopts continuously extruded-diffusion welding (DW) group technology to realize the shaping of composite plate, with the spin friction of compression roll and compression roller as power, realize the Plastic Forming and the heating of aluminium sheet, realize connecting of aluminium sheet and copper coin by rolling appropriate pressurize after closing again, it compared with prior art has following substantive technical characterstic and significantly technological progress:
1., can realize the continuous combined shaping of copper-aluminum composite board material, production efficiency height;
2., the continuous combined shaping aluminium of this process using, and utilize frictional heat and deformation energy to make blank heating, and the heating of copper coin is by high temperature aluminum plate substrate and aluminum plate foundation material forming mould, boots piece and rolls that the heat conduction function of closing roller realizes, do not need to install heater it is carried out preheating, thereby simplified technology, reduced energy consumption and reduced the surface oxidation of material;
3., the aluminium base is when continuous extrusion deformation, the top layer area increases, newborn face rolls up, and faying face can be not contaminated under closed state, the low temperature copper coin enter roll close the district also can be effectively and air insulated when being heated, thereby guaranteed the cleaning of copper coin and aluminium sheet faying face effectively, guaranteed welding quality;
4., to adopt roll-in that the aluminium base directly is pressed into tabular, saved the manufacturing process of aluminium sheet in the prior art, and operation is further simplified, and is particularly suitable for making of oxidizable material the intermediate plate of composite plate;
5., the shaping of aluminium sheet is to finish around the surface of compression roller, do not have the deformed area, right angle, its plastic force obviously reduces.
The utility model is not limited to the foregoing description, and in the utility model, rolling mechanism can separate setting with compression roller, adopts the rolling mechanism of two pair rollers composition to the aluminium base is set separately on feed direction; Compression roller 2 and to roll the distance of closing 8 on roller adjustable is to be fit to the requirement of different-thickness sheet material; By adjusting aluminum plate foundation material forming mould 3, boots piece 4 positions, can change the deformation extent of aluminium and the thickness of aluminium base; The thickness in the aligning chamber that two clamping plate 9,10 are formed also can be adjusted, to guarantee the welding quality of composite plate.Simultaneously, change compression roller squeezing groove width and corresponding compression roll, roll the width that closes roller and corresponding guide wheel, aluminum plate foundation material forming mould, boots piece, the composite plate that can produce different in width; Increase the length of compression roller vertically, compression roller axially on side by side segment design organize by corresponding compression roll, aluminum plate foundation material forming mould, boots piece more, roll and close the building mortion that roller and clamping plate constitute, can produce polylith composite board or band simultaneously, further enhance productivity.
Combined shaping method that the utility model proposes and device, its composite board that not only can be used for fine aluminium, aluminium alloy and fine copper, copper alloy is shaped, and it also can be used for the shaping of the composite plate of other metal material such as materials such as nickel, stainless steel.
Claims (9)
1. compound molding device, it is characterized in that, described device comprises that rotating the compression roller and the aluminum plate foundation material forming mould along feed direction around the compression roller setting that are provided with closes roller with rolling, has the indent cylinder that is provided with compression roller outer circumference surface relative spacing on the aluminum plate foundation material forming mould, this indent cylinder is axial consistent with compression roller, the indent cylinder has the diminishing curved arc section of spacing between a section and the compression roller outer circumference surface on the feed direction, constitute between this curved arc section and the compression roller outer circumference surface and order about the deformed area that the aluminium sheet base material produces plastic deformation, roll and close between exit that roller is assemblied in the deformed area and the compression roller outer circumference surface formation and roll and close the district.
2. compound molding device according to claim 1, it is characterized in that, on the indent cylinder on the described aluminum plate foundation material forming mould, also has one section arc section that equidistantly cooperates with described compression roller outer circumference surface, constitute preliminary occlusal area between this arc section and the compression roller outer circumference surface, this preliminary occlusal area is positioned at the front portion of deformed area on feed direction, aluminium sheet base material finishing die chamber is formed in preliminary occlusal area and deformed area.
3. compound molding device according to claim 1, it is characterized in that, be provided with the aligning mould in the described exit of closing the district of rolling, this aligning mould comprises two clamping plate that are provided with relatively at interval, one of them clamping plate is near the outer peripheral face of compression roller, another clamping plate form the crimping aligning chamber of passing through for composite plate near rolling the outer peripheral face that closes roller between two clamping plate, described aligning chamber is along described compression roller and the vertical line direction extension of rolling the line of centres that closes between the roller.
4. according to any described compound molding device of claim 1 to 3, it is characterized in that, described extrusion roll shaft to two ends respectively radial loop be provided with the retaining edge, described aluminum plate foundation material forming mould along extrusion roll shaft to two ends respectively with the retaining at compression roller two ends along matched in clearance.
5. compound molding device according to claim 4, it is characterized in that, rotate near the porch of die cavity on the outer circumference surface of compression roller and be provided with homoaxial compression roll, this compression roll pushes with compression roller and cooperates, the two ends of compression roll respectively with described retaining along matched in clearance.
6. compound molding device according to claim 4 is characterized in that, described roll close roller two ends respectively with described retaining along matched in clearance.
7. compound molding device according to claim 4, it is characterized in that, also be provided with a boots piece at described aluminum plate foundation material forming mould near rolling the end of closing roller, the boots piece is provided with along rolling and closes the cambered surface that the roller outer peripheral face circumferentially extends towards rolling the end face that closes roller, and the cambered surface of boots piece is installed with the gap of passing through for the aluminium sheet base material and forms and supply copper coin to roll the gathering sill that closes the district by entering with rolling to close between the roller outer peripheral face.
8. compound molding device according to claim 7 is characterized in that, closes roller and rotates near described gathering sill porch and be provided with guide wheel described rolling, and guide wheel cooperates with rolling to close to push between the roller.
9. compound molding device according to claim 8 is characterized in that, also is provided with the cleaning roller that is used to clear up copper coin surface impurity and oxide layer in the import department of described gathering sill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205387111U CN201807833U (en) | 2010-09-21 | 2010-09-21 | Continuous compound forming device of cooper-aluminum compound board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205387111U CN201807833U (en) | 2010-09-21 | 2010-09-21 | Continuous compound forming device of cooper-aluminum compound board |
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| Publication Number | Publication Date |
|---|---|
| CN201807833U true CN201807833U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205387111U Expired - Fee Related CN201807833U (en) | 2010-09-21 | 2010-09-21 | Continuous compound forming device of cooper-aluminum compound board |
Country Status (1)
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| CN (1) | CN201807833U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947689A (en) * | 2010-09-21 | 2011-01-19 | 河南科技大学 | Continuous compound molding method of copper-aluminum composite board and compound molding device thereof |
| CN109807491A (en) * | 2019-02-22 | 2019-05-28 | 温州中希电工合金有限公司 | A kind of process and its equipment of multi-layer tapes composite soldering |
-
2010
- 2010-09-21 CN CN2010205387111U patent/CN201807833U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947689A (en) * | 2010-09-21 | 2011-01-19 | 河南科技大学 | Continuous compound molding method of copper-aluminum composite board and compound molding device thereof |
| CN101947689B (en) * | 2010-09-21 | 2012-10-03 | 河南科技大学 | Continuous compound molding method of copper-aluminum composite board and compound molding device thereof |
| CN109807491A (en) * | 2019-02-22 | 2019-05-28 | 温州中希电工合金有限公司 | A kind of process and its equipment of multi-layer tapes composite soldering |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20110921 |