CN114713652A - Device and method for continuous equal channel angular extrusion of metal and alloy materials - Google Patents
Device and method for continuous equal channel angular extrusion of metal and alloy materials Download PDFInfo
- Publication number
- CN114713652A CN114713652A CN202210204806.7A CN202210204806A CN114713652A CN 114713652 A CN114713652 A CN 114713652A CN 202210204806 A CN202210204806 A CN 202210204806A CN 114713652 A CN114713652 A CN 114713652A
- Authority
- CN
- China
- Prior art keywords
- wheel
- extrusion
- base
- die
- alloy materials
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/21—Presses specially adapted for extruding metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/21—Presses specially adapted for extruding metal
- B21C23/212—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention provides a device and a method for continuous equal channel angular extrusion of metal and alloy materials, wherein the device comprises the following steps: the extrusion device comprises a supporting rack, a main extrusion wheel mechanism, a driven calendering wheel mechanism and a deformation combined die, wherein an extrusion wheel of the main extrusion wheel mechanism is connected to the supporting rack through a first shaft and a bearing, and an annular accommodating groove is formed in the peripheral surface of the extrusion wheel; an adjusting bracket of the driven calender wheel mechanism is fixedly connected with a supporting rack, the calender wheel is arranged on the adjusting bracket through a second shaft and a bearing, the peripheral surface of the calender wheel is provided with a bulge, the calender wheel can rotate tangentially with the extrusion wheel under the adjustment of the supporting rack, and the bulge is positioned in the annular accommodating groove when rotating tangentially; the mould base of the deformation assembling mould is connected with the supporting rack, one end of the shearing mould is matched with the annular accommodating groove and can be abutted to the bottom wall of the annular accommodating groove, and the surface of the limiting mould, facing the extrusion wheel, is flush with the outer edge of the annular accommodating groove. The device of the invention can realize continuous processing for samples with shorter length.
Description
Technical Field
The invention belongs to the technical field of metal and alloy material processing, and particularly relates to a device and a method for continuous equal-diameter angular extrusion of metal and alloy materials.
Background
With the high-speed development of the fields of aerospace, war industry, high-speed railways, power transmission, automobiles, high-end equipment and the like, the requirements on high-strength and high-conductivity metal and alloy materials are continuously improved, and the shortage of the materials seriously restricts the great engineering construction of China. The preparation of the existing high-strength and high-conductivity copper alloy material is based on the following two aspects, one is that the strength of metal and alloy material is improved through alloying, the method has a good effect on improving the strength of the metal, but the alloying brings reduction of conductivity, 0.3% of Sn is added into pure copper, the strength is increased to 350MPa from 220MPa, but the conductivity is reduced to 75% IACS from 100% IACS, the conductivity is obviously reduced, and the high-strength and high-conductivity metal and alloy material is difficult to obtain through the alloying means; and secondly, the strength of the metal and alloy materials is improved through work hardening, the conductivity is reduced a little while the strength of the metal and alloy materials is improved, but the method has limited strength improvement, and the work hardening degree is reduced due to the recovery phenomenon under a certain temperature condition, so that the use requirement of the high-strength high-conductivity material under the harsh condition cannot be met. The method improves the strength of metal and alloy materials, does not reduce the conductivity, and is an ideal method for preparing high-strength and high-conductivity metal and alloy materials. The coherent twin boundary in the low energy state can not only seriously limit the slippage and the climbing of dislocation, greatly improve the strength of the metal material, but also has negligible influence on the electric conductivity of the material, the low energy state interfaces such as the twin boundary and the small angle boundary generated by the plastic deformation of the metal and alloy material under the conditions of ultrahigh strain rate and low temperature have better thermal stability and mechanical stability, the twin crystal strengthening is an effective method for preparing the high-strength high-conductivity metal and alloy material, the equal-diameter angular extrusion is taken as a processing mode of ultrahigh strain rate, the remarkable coherent boundary can be obtained by shearing deformation of the metal and alloy material, thereby realizing the twin crystal strengthening, and the method is an effective means for obtaining the high-strength high-conductivity metal and alloy material.
However, the equal channel angular extrusion mainly has the following technical difficulties: the conventional equal channel angular extrusion is mainly carried out on a press machine through a designed die, the length of a sample is short, continuous processing cannot be realized, the application of the method in material processing is further limited, and the urgent requirements of important fields such as communication, electricity, aviation, high-speed railways and the like on high-strength and high-conductivity metal and alloy materials cannot be met.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The invention aims to provide a device and a method for continuous equal channel angular extrusion of metal and alloy materials, which aim to solve the problem that continuous processing cannot be realized due to short sample length mainly existing in the equal channel angular extrusion at present.
In order to achieve the above purpose, the invention provides the following technical scheme:
an apparatus for continuous equal channel angular extrusion of metal and alloy materials, the apparatus comprising:
a support frame;
the main extrusion wheel mechanism comprises an extrusion wheel, the extrusion wheel is connected to the supporting rack through a first shaft and a bearing, and an annular accommodating groove is formed in the peripheral surface of the extrusion wheel;
the driven calendering wheel mechanism comprises a calendering wheel and an adjusting support, the adjusting support is fixedly connected to the supporting rack, the calendering wheel is mounted on the adjusting support through a second shaft and a bearing, a bulge matched with the annular accommodating groove is arranged on the peripheral surface of the calendering wheel, the calendering wheel can rotate tangentially with the extrusion wheel under the adjustment of the adjusting support, and the bulge is located in the annular accommodating groove when rotating tangentially;
deformation assembling die, deformation assembling die includes mold base, shearing mould and spacing mould, mold base connect in support the frame, shearing mould with spacing mould all install in mold base, shearing mould orientation the one end of extrusion wheel with annular holding groove looks adaptation, and can contradict in the diapire of annular storage tank, spacing mould orientation the surface of extrusion wheel with the outward flange of annular storage tank flushes.
Optionally, the combined deformation die further comprises a first fixing shaft and a second fixing shaft, the die base comprises a first base and a second base, one end of the first base is connected to the supporting rack through the first fixing shaft, the other end of the first base is fixed through the molded surface of the second base, and one end of the second base, which is far away from the first base, is connected to the supporting rack through the second fixing shaft; the shearing die and the limiting die are both mounted on the first base.
In the above device for continuous equal-diameter angular extrusion of metal and alloy materials, optionally, a special-shaped groove is formed in the surface of the first base, the shape of the special-shaped groove is adapted to the shape of the shearing die, and the shearing die is fixedly mounted in the special-shaped groove.
Preferably, one side surface of the shearing die is a broken line surface.
According to the device for continuous equal-diameter angular extrusion of metal and alloy materials, optionally, the deformation combined die further comprises a first adjusting wedge and a second adjusting wedge, wherein the first adjusting wedge and the second adjusting wedge are both mounted on the first base and are in contact with the limiting die, and the first adjusting wedge and the second adjusting wedge are used for finely adjusting the limiting die.
As above device for continuous equal channel angular extrusion of metal and alloy materials, optionally, the deformation assembling die further comprises an adjusting screw and a screw support, the screw support is fixedly connected to the support frame, the adjusting screw is movably connected to the screw support and can abut against the second base for adjustment of the second base.
Optionally, the support frame includes a frame, a first support plate and a second support plate, and both the first support plate and the second support plate are fixedly connected to the frame; the extrusion wheel through first axle and bearing connect in first backup pad, the one end of first base through first fixed axle connect in first backup pad, the second base is kept away from the one end of first base is passed through the second fixed axle connect in the second backup pad, spiral support fixed connection in the frame.
In the above apparatus for continuous equal channel angular extrusion of metal and alloy materials, optionally, the first support plate and the second support plate are polygonal plates, the support frame further includes a third fixed shaft, a fourth fixed shaft, a fifth fixed shaft, a sixth fixed shaft and a seventh fixed shaft, the first support plate is fixedly connected to the frame through the third fixed shaft, the fourth fixed shaft and the fifth fixed shaft, and the second support plate is fixedly connected to the frame through the sixth fixed shaft and the seventh fixed shaft.
The device for continuous equal-diameter angular extrusion of metal and alloy materials can be used for selectively defining the included angle of a tangent line at the contact point of the shearing die and the extrusion wheel as A, so that A is more than or equal to 75 degrees and less than or equal to 145 degrees;
preferably, the shape of the annular accommodating groove is square or semicircular.
According to the device for continuous equal channel angular extrusion of the metal and alloy materials, the hardness of the extrusion wheel, the hardness of the deformation combined die and the hardness of the rolling wheel are not lower than 60 HRV.
The invention also provides a continuous equal channel angular extrusion method for the metal and alloy materials, which adopts the device for continuous equal channel angular extrusion of the metal and alloy materials, and comprises the following steps:
adjusting the driven calendering wheel mechanism to enable the bulge on the peripheral surface of the calendering wheel to be positioned in the annular accommodating groove, and enabling the outer circular surface of the calendering wheel to be in contact with the outer circular surface of the extrusion wheel;
adjusting the deformation combined die to enable the limiting die to be flush with the outer edge of the annular accommodating groove and enable one end, facing the extrusion wheel, of the shearing die to abut against the bottom wall of the annular accommodating groove;
inserting metal and alloy materials between the extrusion wheel and the calendering wheel, rotating the extrusion wheel and the calendering wheel, and under the action of friction force, enabling the metal and alloy materials to realize shearing deformation through the shearing die and the limiting die, so as to complete continuous equal-diameter-angle extrusion.
Has the advantages that:
the device for continuously extruding the metal and alloy materials at the equal channel angle comprises a supporting frame, a main extruding wheel mechanism, a driven calendaring wheel mechanism and a deformation assembling die, and can realize the continuous equal channel angle extrusion of the metal and alloy materials by optimally matching the structural design of the device, so that the materials generate large shearing deformation in the processing process, low-energy state coherent twin crystals are generated, twin crystal strengthening of the materials is realized, high-performance metal and alloy materials with high strength and high conductivity are obtained, and a novel high-performance material processing method is created. In addition, the device can realize continuous processing for samples with shorter length, and ensures the application of continuous equal channel angular extrusion in material processing.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic structural diagram of an apparatus for continuous equal channel angular extrusion of metal and alloy materials according to an embodiment of the present invention.
Reference numerals:
1-metal and alloy materials; 2-an annular accommodating groove; 3-first shaft and bearing; 4-an extrusion wheel; 5-a third fixed shaft; 6-a fourth fixed shaft; 7-a frame; 8-a fifth fixed shaft; 9-a first support plate; 10-a first fixed shaft; 11-shearing the mould; 12-limiting the mould; 13-a first base; 14-a first adjusting wedge; 15-a second adjusting wedge; 16-a second base; 17-a second fixed shaft; 18-a second support plate; 19-a sixth stationary shaft; 20-a helical scaffold; 21-adjusting the screw; 22-a seventh stationary shaft; 23-adjusting the support; 24-calender rolls.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived from the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
The present invention will be described in detail with reference to examples. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention provides a device for continuously extruding a metal and an alloy material at an equal channel angle, which can realize the continuous equal channel angle extrusion of the metal and the alloy material, so that the material generates large shearing deformation and low energy state coherent twin crystals in the processing process, twin crystal strengthening of the material is realized, high-strength and high-conductivity high-performance metal and alloy materials are obtained, and a novel high-performance material processing method is created. In addition, the device can realize continuous processing for samples with shorter length, and ensures the application of continuous equal channel angular extrusion in material processing.
As shown in fig. 1, in the embodiment of the present invention, an apparatus for continuous equal channel angular extrusion of metal and alloy materials comprises: the extrusion device comprises a supporting rack, a main extrusion wheel mechanism, a driven calendering wheel mechanism and a deformation combined die, wherein the main extrusion wheel mechanism comprises an extrusion wheel 4, the extrusion wheel 4 is connected to the supporting rack through a first shaft and a bearing 3, and an annular accommodating groove 2 is formed in the peripheral surface of the extrusion wheel 4; the driven calendering wheel mechanism comprises a calendering wheel 24 and an adjusting bracket 23, the adjusting bracket 23 is fixedly connected with the supporting rack, the calendering wheel 24 is fixed on the adjusting bracket 23 through a second shaft and a bearing, the peripheral surface of the calendering wheel 24 is provided with a bulge matched with the annular accommodating groove 2, the calendering wheel 24 can rotate tangentially with the extrusion wheel 4, and the bulge is positioned in the annular accommodating groove 2 when rotating tangentially; deformation assembling die includes mold base, shearing mould 11 and spacing mould 12, and mold base connects in supporting the frame, and shearing mould 11 and spacing mould 12 are all installed in mold base, and shearing mould 11 towards the one end and the 2 looks adaptations of annular storage tank of extrusion wheel 4 to can contradict in the diapire of annular storage tank 2, spacing mould 12 flushes towards the surperficial outward flange with annular storage tank 2 of extrusion wheel 4.
It should be noted that the extrusion wheel 4 is connected to the support frame through the first shaft and the bearing 3, and the specific installation mode is that the shaft is fixedly connected to the support frame, and the fixed connection mode thereof may be selected as welding, the bearing sleeve is disposed on the outer side of the shaft, the inner ring thereof is fixedly connected to the shaft, and the outer ring thereof is fixedly connected to the extrusion wheel 4, so that the extrusion wheel 4 can rotate relative to the shaft, and the friction between the extrusion wheel 4 and the shaft in the rotation process can be reduced. The adjusting bracket 23 can be fixed on the supporting frame by welding, the rolling wheel 24 is mounted on the adjusting bracket 23 by a second shaft and a bearing (not shown), and the rolling wheel 24 can rotate tangentially with the extrusion wheel 4 under the adjustment of the adjusting bracket 23. Optionally, the adjustment support 23 is provided with two relative linking arms, the both ends of secondary shaft are fixed connection respectively in two linking arms, the secondary shaft is located to the bearing housing, the outside of bearing is located to calendering wheel 24 cover, and be connected in the outer lane of bearing, the one end that the secondary shaft was kept away from to two linking arms passes through the connecting piece and links to each other, be provided with the connecting axle on the connecting piece, the connecting axle extends towards the direction of keeping away from calendering wheel 24, the surface of connecting axle is provided with the external screw thread, adjustment support 23 still be provided with the connecting cylinder of connecting axle looks adaptation, the inner wall of connecting cylinder is provided with the internal thread, the connecting axle is inserted and is located in the connecting cylinder, and the two threaded connection. With the arrangement, the extension length of the rolling wheel 24 can be adjusted through the thread rotation of the connecting shaft, and then the extension length is adjusted until the rolling wheel 24 is tangent to the extrusion wheel 4, and the protrusion on the outer peripheral surface of the rolling wheel 24 is positioned in the annular accommodating groove 2. During specific operation, the extrusion wheel 4 is rotated to drive the calendering wheel 24 to rotate tangentially, and the bulge on the peripheral surface of the calendering wheel 24 is just positioned in the annular accommodating groove 2 on the peripheral surface of the extrusion wheel 4 in the rotating process. It can be understood that, during the rotation process, since the protrusions on the outer peripheral surface of the rolling wheel 24 are located in the annular accommodating groove 2, the rolling wheel 24 can be effectively limited so as to avoid the deflection caused by the threaded connection. Of course, in other embodiments, other structural arrangements may be adopted, as long as the rolling wheel 24 can rotate tangentially with the extrusion wheel 4 under the adjustment of the adjusting bracket 23, and all that is within the protection scope of the present invention is satisfied.
Deformation assembling die can finely tune for supporting the frame, and after the fine setting, shearing die 11 slightly contradicts in the diapire of annular containing groove 2 towards the one end of extrusion wheel 4, and spacing die 12 flushes with the outward flange of annular containing groove 2 towards the surface of extrusion wheel 4.
Alternatively, the annular containing groove 2 is formed in the middle of the outer peripheral surface of the extrusion wheel 4, and correspondingly, the protrusion is formed in the middle of the outer peripheral surface of the calendering wheel 24, and the protrusion and the calendering wheel are matched.
Preferably, the annular receiving groove 2 has a square or semicircular shape, and the size thereof is determined according to the processed material.
In an optional embodiment of the present invention, the deformation combined mold further includes a first fixing shaft 10 and a second fixing shaft 17, the mold base includes a first base 13 and a second base 16, one end of the first base 13 is connected to the support frame through the first fixing shaft 10, the other end of the first base 13 is fixed through a profile of the second base 16, and one end of the second base 16 far away from the first base 13 is connected to the support frame through the second fixing shaft 17; the shearing die 11 and the limiting die 12 are both mounted on the first base 13.
In an alternative embodiment of the present invention, a special-shaped groove is formed on the surface of the first base 13, the shape of the special-shaped groove is matched with the shape of the shearing mold 11, and the shearing mold 11 is fixedly installed in the special-shaped groove. The special-shaped groove is arranged in the embodiment and used for fixing the shearing die 11, and the arrangement is simple and effective.
An included angle A of a tangent line at a contact point of the shearing die 11 and the extrusion wheel 4 is defined as A, and the included angle A is more than or equal to 75 degrees and less than or equal to 145 degrees, for example, the included angle is 75 degrees, 85 degrees, 95 degrees, 105 degrees, 115 degrees, 125 degrees, 135 degrees or 145 degrees.
Preferably, one side (optionally the lower side) of the cutting die 11 is a broken line surface. With such an arrangement, the shearing die 11 can be effectively ensured to be well fixed on the first base 13.
In an optional embodiment of the present invention, the combined deformation mold further includes a first adjusting wedge 14 and a second adjusting wedge 15, and both the first adjusting wedge 14 and the second adjusting wedge 15 are mounted on the first base 13 and are in contact with the limit mold 12 for performing fine adjustment on the limit mold 12. This embodiment finely tunes limiting die 12 through setting up first adjustment wedge 14 and second adjustment wedge 15, and the mode of setting is comparatively simple and effective.
In an alternative embodiment of the present invention, the deformation assembling die further includes an adjusting screw 21 and a screw bracket 20, the screw bracket 20 is fixedly connected to the supporting frame, and the adjusting screw 21 is movably connected to the screw bracket 20 and can abut against the second base 16 for adjusting the second base 16. It should be noted that the spiral support 20 is fixedly connected to the support frame by welding.
In an alternative embodiment of the present invention, the supporting frame comprises a frame 7, a first supporting plate 9 and a second supporting plate 18, wherein both the first supporting plate 9 and the second supporting plate 18 are fixedly connected to the frame 7; the extrusion wheel 4 is connected to the first support plate 9 through the first shaft and the bearing 3, one end of the first base 13 is connected to the first support plate 9 through the first fixing shaft 10, one end of the second base 16 far away from the first base 13 is connected to the second support plate 18 through the second fixing shaft 17, and the spiral support 20 is fixedly connected to the frame 7.
In an alternative embodiment of the present invention, the first support plate 9 and the second support plate 18 are polygonal plates, the support frame further includes a third fixed shaft 5, a fourth fixed shaft 6, a fifth fixed shaft 8, a sixth fixed shaft 19 and a seventh fixed shaft 22, the first support plate 9 is fixedly connected to the frame 7 through the third fixed shaft 5, the fourth fixed shaft 6 and the fifth fixed shaft 8, and the second support plate 18 is fixedly connected to the frame 7 through the sixth fixed shaft 19 and the seventh fixed shaft 22.
In this embodiment, the first supporting plate 9 and the second supporting plate 18 are fixed to the frame 7 at multiple points, and the setting is firm, so that the whole device is guaranteed to have good firmness and reliability.
The hardness of the extrusion wheel 4, the hardness of the combined deformation die, and the hardness of the rolling wheel 24 are not less than 60 HRV. Therefore, the firmness and reliability of the whole device can be effectively guaranteed.
The invention also provides a continuous equal channel angular extrusion method for the metal and alloy materials, which adopts the device for continuous equal channel angular extrusion of the metal and alloy materials, and comprises the following steps:
adjusting the driven calendering wheel mechanism to enable the bulge of the peripheral surface of the calendering wheel 24 to be positioned in the annular accommodating groove 2, and enabling the outer circular surface of the calendering wheel 24 to be in contact with the outer circular surface of the extrusion wheel 4;
adjusting the deformation combined die to enable the limiting die 12 to be flush with the outer edge of the annular accommodating groove 2, and enabling one end, facing the extrusion wheel 4, of the shearing die 11 to abut against the bottom wall of the annular accommodating groove 2;
inserting the metal and alloy material 1 between the extrusion wheel 4 and the calendering wheel 24, rotating the extrusion wheel 4 and the calendering wheel 24, and under the action of friction force, realizing shear deformation of the metal and alloy material 1 through the shearing die 11 and the limiting die 12 to complete continuous equal-diameter angular extrusion.
The method can lead the material to generate large shearing deformation in the processing process and generate low energy state coherent twin crystals, thereby realizing twin crystal strengthening of the material and obtaining the high-performance metal and alloy material 1 with high strength and high conductivity.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An apparatus for continuous equal channel angular extrusion of metal and alloy materials, said apparatus comprising:
a support frame;
the main extrusion wheel mechanism comprises an extrusion wheel, the extrusion wheel is connected to the supporting rack through a first shaft and a bearing, and an annular accommodating groove is formed in the peripheral surface of the extrusion wheel;
the driven calendering wheel mechanism comprises a calendering wheel and an adjusting support, the adjusting support is fixedly connected to the supporting rack, the calendering wheel is mounted on the adjusting support through a second shaft and a bearing, a bulge matched with the annular accommodating groove is arranged on the peripheral surface of the calendering wheel, the calendering wheel can rotate tangentially with the extrusion wheel under the adjustment of the adjusting support, and the bulge is located in the annular accommodating groove when rotating tangentially;
deformation assembling die, deformation assembling die includes mold base, shearing mould and spacing mould, mold base connect in support the frame, shearing mould with spacing mould all install in mold base, shearing mould orientation the one end of extrusion wheel with annular holding groove looks adaptation, and can contradict in the diapire of annular storage tank, spacing mould orientation the surface of extrusion wheel with the outward flange of annular storage tank flushes.
2. The apparatus for continuous equal channel angular extrusion of metal and alloy materials according to claim 1, wherein the combined deformation die further comprises a first fixed shaft and a second fixed shaft, the die base comprises a first base and a second base, one end of the first base is connected to the support frame through the first fixed shaft, the other end of the first base is fixed through the molded surface of the second base, and one end of the second base, far away from the first base, is connected to the support frame through the second fixed shaft;
the shearing die and the limiting die are both installed on the first base.
3. The apparatus for continuous equal channel angular extrusion of metal and alloy materials according to claim 2, wherein the surface of the first base is provided with a shaped groove, the shape of the shaped groove is matched with the shape of the shearing die, and the shearing die is fixedly installed in the shaped groove;
preferably, one side surface of the shearing die is a broken line surface.
4. An apparatus for continuous isodiametric angular extrusion of metal and alloy materials as set forth in claim 2, wherein said combined deformation die further comprises a first adjusting wedge and a second adjusting wedge, both mounted to said first base and in contact with said limit die for fine adjustment of said limit die.
5. The apparatus for continuous equal channel angular extrusion of metals and alloys according to claim 2, wherein said assembling die further comprises an adjusting screw and a screw support, said screw support is fixedly connected to said supporting frame, said adjusting screw is movably connected to said screw support and can abut against said second base for adjusting said second base.
6. An apparatus for continuous isodiametric angular extrusion of metal and alloy materials according to claim 5, wherein the support frame comprises a frame, a first support plate and a second support plate, both of which are fixedly connected to the frame;
the extrusion wheel through first axle and bearing connect in first backup pad, the one end of first base through first fixed axle connect in first backup pad, the second base is kept away from the one end of first base is passed through the second fixed axle connect in the second backup pad, spiral support fixed connection in the frame.
7. A device for continuous equal channel angular extrusion of metal and alloy materials according to claim 6, wherein said first support plate and said second support plate are polygonal plates, said support frame further comprises a third fixed shaft, a fourth fixed shaft, a fifth fixed shaft, a sixth fixed shaft and a seventh fixed shaft, said first support plate is fixedly connected to said frame by said third fixed shaft, said fourth fixed shaft and said fifth fixed shaft, and said second support plate is fixedly connected to said frame by said sixth fixed shaft and said seventh fixed shaft.
8. The apparatus for continuous isodiametric angular extrusion of metals and alloy materials of claim 1, wherein, defining the included angle of the tangent line at the point of contact of said shear die with said extrusion wheel as A, 75 ° A.ltoreq.145 °;
preferably, the shape of the annular accommodating groove is square or semicircular.
9. The apparatus for continuous isodiametric angular extrusion of metals and alloy materials according to any of claims 1 to 8, wherein the hardness of the extrusion wheel, the hardness of the combined deformation die and the hardness of the calendering wheel are not less than 60 HRV.
10. A method for continuous isodiametric angular extrusion of metal and alloy materials, which employs the apparatus for continuous isodiametric angular extrusion of metal and alloy materials as claimed in any one of claims 1 to 9, characterized in that the method comprises the steps of:
adjusting the driven calendering wheel mechanism to enable the bulge on the peripheral surface of the calendering wheel to be positioned in the annular accommodating groove, and enabling the outer circular surface of the calendering wheel to be in contact with the outer circular surface of the extrusion wheel;
adjusting the deformation combined die to enable the limiting die to be flush with the outer edge of the annular accommodating groove and enable one end, facing the extrusion wheel, of the shearing die to abut against the bottom wall of the annular accommodating groove;
and inserting metal and alloy materials between the extrusion wheel and the rolling wheel, rotating the extrusion wheel and the rolling wheel, and under the action of friction force, realizing shearing deformation of the metal and alloy materials through the shearing die and the limiting die to complete continuous equal-diameter angular extrusion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111580435 | 2021-12-22 | ||
| CN2021115804354 | 2021-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114713652A true CN114713652A (en) | 2022-07-08 |
| CN114713652B CN114713652B (en) | 2023-08-15 |
Family
ID=82235474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210204806.7A Active CN114713652B (en) | 2021-12-22 | 2022-03-03 | Device and method for continuous equal-diameter angular extrusion of metal and alloy materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114713652B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04228221A (en) * | 1990-06-06 | 1992-08-18 | Welding Inst:The | Molding method of composite material |
| CN1288401A (en) * | 1998-11-16 | 2001-03-21 | 霍尔顿机械公司 | Continuous extrusion using dynamic shoe positioning |
| CN101607277A (en) * | 2009-07-08 | 2009-12-23 | 合肥神马科技股份有限公司 | Extruder |
| CN101693264A (en) * | 2009-10-16 | 2010-04-14 | 江苏大学 | Large equal channel angular large-strain extrusion die |
| CN102601143A (en) * | 2012-02-29 | 2012-07-25 | 大连交通大学 | Extrusion device for shortening blank friction flow path |
| US20150196944A1 (en) * | 2012-07-30 | 2015-07-16 | Meltech Cre Limited | Continuous extrusion apparatus |
| CN112170513A (en) * | 2020-09-27 | 2021-01-05 | 无锡市红年金属制品科技有限公司 | Copper bar processing device capable of continuously extruding |
-
2022
- 2022-03-03 CN CN202210204806.7A patent/CN114713652B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04228221A (en) * | 1990-06-06 | 1992-08-18 | Welding Inst:The | Molding method of composite material |
| CN1288401A (en) * | 1998-11-16 | 2001-03-21 | 霍尔顿机械公司 | Continuous extrusion using dynamic shoe positioning |
| CN101607277A (en) * | 2009-07-08 | 2009-12-23 | 合肥神马科技股份有限公司 | Extruder |
| CN101693264A (en) * | 2009-10-16 | 2010-04-14 | 江苏大学 | Large equal channel angular large-strain extrusion die |
| CN102601143A (en) * | 2012-02-29 | 2012-07-25 | 大连交通大学 | Extrusion device for shortening blank friction flow path |
| US20150196944A1 (en) * | 2012-07-30 | 2015-07-16 | Meltech Cre Limited | Continuous extrusion apparatus |
| CN112170513A (en) * | 2020-09-27 | 2021-01-05 | 无锡市红年金属制品科技有限公司 | Copper bar processing device capable of continuously extruding |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114713652B (en) | 2023-08-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106057354A (en) | Production method of roll-type copper busbar used for electrician | |
| CN114713652A (en) | Device and method for continuous equal channel angular extrusion of metal and alloy materials | |
| CN110834377A (en) | Centrifugal device suitable for different concrete pipe die diameters | |
| CN216226393U (en) | Oil cylinder type pressure riveting machine with intelligent anti-deviation structure | |
| CN207941889U (en) | A kind of battery pole ear die cutting die positioning fixture | |
| CN211619949U (en) | Graphene production device | |
| CN210730803U (en) | Welding pin shaping device | |
| CN212582028U (en) | Electroplating combined hanger | |
| CN210576042U (en) | Square battery cover plate convenient to install | |
| CN207154517U (en) | A kind of high-precision die cutting die | |
| CN212191228U (en) | Cam box for powder forming machine | |
| CN219945690U (en) | Efficient special-shaped lining wire cutting device | |
| CN220555149U (en) | Cutter seat and cutter module | |
| CN218656332U (en) | Metal base stamping die | |
| CN218168480U (en) | Extruding stud processing die for notebook computer shell metal | |
| CN212331918U (en) | Multifunctional friction mechanism with adjustable wedge-shaped gap | |
| CN220635807U (en) | Ejector rod trolley locking device and perforating equipment | |
| CN215745925U (en) | Rolling material guiding structure | |
| CN219924288U (en) | Electric cylinder attack angle device for forming and processing electrode lugs | |
| CN220277869U (en) | Special-shaped main roller die for manufacturing aerospace engine booster | |
| CN209139657U (en) | A kind of fixation device of stamping die | |
| CN220920783U (en) | Spring machine presses head convenient to dismantlement installation | |
| CN112338567B (en) | Processing equipment for eliminating residual stress of stainless steel welding wire | |
| CN217750442U (en) | A frock clamp for follow-up processing of aluminum alloy die casting | |
| CN211555735U (en) | High tension switchgear casing is with pulling out a mouthful machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |