CN212285355U - Multi-cavity extrusion preparation device for side compound metal composite material - Google Patents
Multi-cavity extrusion preparation device for side compound metal composite material Download PDFInfo
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- CN212285355U CN212285355U CN202021221869.6U CN202021221869U CN212285355U CN 212285355 U CN212285355 U CN 212285355U CN 202021221869 U CN202021221869 U CN 202021221869U CN 212285355 U CN212285355 U CN 212285355U
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Abstract
The application relates to the technical field of metal composite material production equipment, in particular to a multi-cavity extrusion preparation device for a side compound metal composite material, which comprises a base body, an inner core and a pushing component; the inner core is arranged in the matrix, and a blank cavity and a forming cavity which are communicated are enclosed by the inner core and the matrix along the length direction of the matrix; the number of the blank cavities is multiple, and the blank cavities are arranged at intervals along the circumferential direction of the inner core; the pushing member can be inserted into the blank cavity and move along the blank cavity to push the blank placed in the blank cavity into the forming cavity. The application provides a compound metal composite's of side multicavity extrusion preparation facilities, according to the extruded principle of multimode, the side of metal strip is compound in the combination formula multicavity mould of cooperation self realizes single process, obtains compound tubular product of side, strip, and its composite interface bonding strength is high, can realize big coil weight production, has great meaning to actual production.
Description
Technical Field
The application relates to the technical field of metal composite production equipment, in particular to a multi-cavity extrusion preparation device for a side compound metal composite.
Background
Since the nineties of the last century, bi/multi-metal composites have come into play with the ever-increasing demands of various industries on the composite properties of the materials. The side compound composite material is a pipe or a strip which is formed by mutually compounding side surfaces of different metal materials, namely the side compound composite pipe particularly realizes compounding of different metals in the circumferential direction, the compounding surface of the side compound composite pipe penetrates through the whole wall thickness, and the side compound composite pipe is cut along a bus line of the side compound composite pipe to form the side compound composite material.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multicavity extrusion preparation facilities of compound metal composite of side has solved the technical problem that lacks the professional equipment of compound metal composite tubular product of production side or panel that exists among the prior art to a certain extent.
The application provides a multicavity extrusion preparation facilities of compound metal composite inclines includes: a base, an inner core and a pushing member; the inner core is arranged in the base body, and a blank cavity and a forming cavity which are communicated with each other are enclosed by the inner core and the base body along the length direction of the base body; the blank cavities are multiple in number and are arranged at intervals along the circumferential direction of the inner core; the pushing member can be inserted into the blank cavity and move along the blank cavity so as to push the blank placed in the blank cavity into the forming cavity.
In the above technical scheme, further, the forming cavity includes a reducing cavity, a reducing wall cavity and a sizing cavity, and the reducing cavity, the reducing wall cavity and the sizing cavity are sequentially arranged along the moving direction of the billet.
In any of the above technical solutions, further, the base includes a front mold, a middle mold, and a rear mold, which are sequentially disposed; the front die and the inner core are enclosed into the blank cavity; the middle die and the inner core are arranged in a surrounding mode to form the reducing cavity, and the rear die and the inner core are arranged in a surrounding mode to form the reducing wall cavity and the sizing cavity in sequence.
In any of the above technical solutions, further, the inner core includes a main body and a plurality of spacers disposed on the main body, the plurality of spacers are disposed at intervals along a circumferential direction of the main body, and any two adjacent spacers and the front mold are enclosed to form the blank cavity;
the main body comprises a straight line section, a reducing wall section and a sizing section which are connected in sequence; the straight line section and the front mold are enclosed into the blank cavity; the reducing section and the middle die are enclosed into the reducing cavity, the reducing section and the rear die are enclosed into the reducing cavity, and the sizing section and the rear die are enclosed into the sizing cavity; the straight line section, the reduced wall section and the sizing section all have cylindrical structures, and the diameter of the reduced wall section is equal to that of the sizing section and smaller than that of the straight line section.
In any of the above technical solutions, further, the tapered section of the inner core has a draft cone angle α of (5-30 °).
In any of the above technical solutions, further, the front mold includes a first body, the first body is formed with a first mounting cavity penetrating through two ends of the first body, the straight line segment of the inner core is disposed in the first mounting cavity, and the straight line segment of the inner core and a side wall of the first mounting cavity are enclosed to form the molding cavity; the first body is further provided with a plurality of first mounting grooves distributed at intervals along the circumferential direction of the mounting cavity, and the interval parts of the inner core are assembled in the first mounting grooves.
In any one of the above technical solutions, further, the middle mold includes a second body, the second body is formed with a second installation cavity penetrating through two ends of the second body, the reducing section of the inner core is disposed in the second installation cavity, and the reducing section of the inner core and the side wall of the second installation cavity are enclosed to form the reducing cavity; the second body is further provided with a plurality of second mounting grooves distributed at intervals along the circumferential direction of the mounting cavity, and the interval parts of the inner core are assembled in the second mounting grooves.
In any of the above technical solutions, further, the rear mold includes a third body, and the third body forms a circular hole and a tapered hole which are communicated in sequence; the reduced wall section of the inner core is arranged in the conical hole, and the reduced diameter section of the inner core and the side wall of the conical hole are enclosed into the reduced diameter cavity; the sizing section of inner core set up in the circular port, just the sizing section of inner core with the lateral wall of circular port encloses and establishes into the sizing chamber.
In any of the above technical solutions, further, the pushing member includes a holding portion and a plurality of pushing portions connected to each other; the pushing portions are arranged at intervals along the circumferential direction of the holding portion, and extend along the direction far away from the holding portion.
In any one of the above technical solutions, further, the multi-cavity extrusion preparation apparatus for a side duplex metal composite further includes an outer cylinder, the outer cylinder is formed with an installation channel penetrating through both ends thereof, the base is disposed in the installation channel, and a heating device is disposed in a side wall of the outer cylinder.
Compared with the prior art, the beneficial effect of this application is:
the application provides a compound metal composite's of side multicavity extrusion preparation facilities, according to the extruded principle of multimode, the side of metal strip is compound in the combination formula multicavity mould of cooperation self realizes single process, obtains compound tubular product of side, strip, and its composite interface bonding strength is high, can realize big coil weight production, has great meaning to actual production.
The preparation method of the side duplex type metal composite material is applied to the multi-cavity extrusion preparation device of the side duplex type metal composite material, so that side duplex type pipes and strips can be produced, the bonding strength of a composite interface is high, and the large coil weight production can be realized.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a cross-sectional view of a multi-chamber extrusion fabrication apparatus for side duplex metal composites provided in accordance with an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a multi-cavity extrusion apparatus for manufacturing a side duplex metal composite according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of an assembly structure of the base, the inner core, and the pushing member according to an embodiment of the present disclosure;
FIG. 4 is a schematic view of another assembly structure of the base body, the inner core and the pushing member according to the embodiment of the present application;
FIG. 5 is a schematic structural view of an inner core provided in accordance with an embodiment of the present disclosure;
FIG. 6 is a cross-sectional view taken along section A-A of FIG. 5;
FIG. 7 is a schematic structural diagram of a front mold according to an embodiment of the present disclosure;
FIG. 8 is a cross-sectional view taken along section B-B of FIG. 7;
fig. 9 is a schematic structural diagram of a middle mold provided in an embodiment of the present application;
FIG. 10 is a cross-sectional view taken along section C-C of FIG. 9;
FIG. 11 is a schematic structural diagram of a rear mold according to an embodiment of the present disclosure;
FIG. 12 is a cross-sectional view taken along section D-D of FIG. 11;
FIG. 13 is a schematic structural diagram of a pushing member provided in an embodiment of the present application;
fig. 14 is a flowchart of a method for manufacturing a side compound metal composite according to an embodiment of the present disclosure.
Reference numerals:
1-pushing member, 11-holding part, 12-pushing part, 2-outer barrel, 3-inner core, 31-main body, 311-straight segment, 312-reducing segment, 313-reducing segment, 314-sizing segment, 32-spacing part, 4-front mold, 41-first body, 42-first installation cavity, 43-first installation groove, 5-middle mold, 51-second body, 52-second installation cavity, 53-second installation groove, 6-rear mold, 61-third body, 62-circular hole, 63-conical hole, 7-base body, 8-blank cavity, 9-forming cavity, 91-reducing cavity, 92-reducing wall cavity, 93-sizing cavity.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.
The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
A multi-cavity extrusion fabrication apparatus and a fabrication method of a side duplex metal composite according to some embodiments of the present application are described below with reference to fig. 1 to 14.
Example one
Referring to fig. 1 to 4, embodiments of the present application provide a multi-cavity extrusion fabrication apparatus of a side duplex metal composite, including: a base body 7, an inner core 3 and a pushing member 1; the inner core 3 is arranged in the matrix 7, and a blank cavity 8 and a forming cavity 9 which are communicated in sequence are enclosed by the inner core 3 and the matrix 7 along the length direction of the matrix 7; the number of the blank cavities 8 is multiple, and the blank cavities 8 are arranged at intervals along the circumferential direction of the inner core 3; the pushing member 1 can be inserted in the blank cavity 8 and moved along the blank cavity 8 to push the blank placed in the blank cavity 8 into the forming cavity 9.
The multi-cavity extrusion preparation device for the side compound metal composite material is used for producing the side compound metal composite material, and comprises the following steps: the base body 7 and the core 3 are first heated (where the heating operation can be performed by external heating elements, or by heating means as described below), and then metal strips of different materials are placed in different blank cavities 8, and then the blank is pushed into a forming cavity 9 by the pushing member 1, and the final tube is formed or the tube is unfolded to form a plate.
The material of the metal strips can be any combination of pure copper, copper alloy, pure silver, silver alloy, pure aluminum, aluminum alloy, pure titanium and titanium alloy; the number of the metal strips extruded each time is (4-10), the section of the metal strip blank is rectangular, the length is (50-1000) mm, the width is (5-100) mm, and the thickness is (5-80) mm; the outer diameter of the finally formed composite pipe is (15-200) mm, and the wall thickness is (3-50) mm. Of course, the data is not limited to the above.
Therefore, according to the principle of multi-die extrusion, the combined multi-cavity die is utilized to realize the side surface compounding of the metal strips in a single procedure to obtain side compound pipes and strips, the combination interface has high bonding strength, the large coil weight production can be realized, and the method has great significance for the actual production.
Specifically, the forming cavity 9 includes a reducing cavity 91, a wall reducing cavity 92 and a sizing cavity 93, and the reducing cavity 91, the wall reducing cavity 92 and the sizing cavity 93 are sequentially arranged along the moving direction of the blank. Wherein, for example, the reducing chamber 91 is generally inclined relative to the blank chamber 8, the inner sidewall of the reducing chamber 91 extends obliquely inwardly from the inner sidewall of the blank chamber 8, and the outer sidewall of the reducing chamber 91 extends obliquely inwardly from the outer sidewall of the blank chamber 8; the inner side wall of the chamber 92 extends substantially horizontally from the inner side wall of the chamber 91, the outer side wall of the chamber 92 extends from the outer side wall of the chamber 91 with a substantially constant tendency or with a slight inward inclination; the inner side wall of the sizing chamber 93 extends horizontally from the inner side wall of the reduced wall chamber 92 with a substantially constant tendency, and the outer side wall of the sizing chamber 93 extends horizontally from the outer side wall of the reduced wall chamber 92.
According to the above-described structure, the pushing member 1 pushes the metal strip to move towards the reducing cavity 91, the two ends of the metal strip are hindered by the pushing member 1 and the first gradually decreasing mold wall of the reducing cavity 91, the metal strip begins to widen in the reducing cavity 91, and the side contact is gradually realized;
the pushing member 1 continues to advance, the side surfaces of the metal strips made of different materials are mutually extruded under the action of the gradually reduced second die wall of the wall reducing cavity 92, and chemical metallurgical compounding is generated on the interface under the action of temperature and pressure;
the side compound composite pipe forming metallurgical bonding forms a composite pipe in the sizing cavity 93, and when the composite pipe is cut along the axis of the composite pipe and flattened, a side compound metal plate can be obtained.
The specific structure of the base body 7, the inner core 3 and the pushing member 1 and how they are assembled together to form the above-described multiple chambers will be explained below:
in this embodiment, preferably, as shown in fig. 1, the base body 7 includes a front mold 4, a middle mold 5, and a rear mold 6, which are sequentially provided; wherein, the front mould 4 and the inner core 3 are enclosed to form a blank cavity 8; the middle die 5 and the inner core 3 are enclosed into a reducing cavity 91, and the rear die 6 and the inner core 3 are sequentially enclosed into a reducing wall cavity 92 and a sizing cavity 93.
According to the structure described above, the reducing cavity 91, the reducing wall cavity 92 and the sizing cavity 93 have different shapes and sizes, so that the corresponding three dies can be separately processed and manufactured according to the shapes and sizes of actual needs, the three dies are more convenient to use, the three dies cannot influence each other, in addition, in the later use, only the damaged die needs to be replaced, and the rest dies can be continuously used.
In this embodiment, preferably, as shown in fig. 5 and 6, the inner core 3 includes a main body 31 and a plurality of spacers 32 disposed on the main body 31, the plurality of spacers 32 are disposed at intervals along the circumferential direction of the main body 31, and any two adjacent spacers 32 and the front mold 4 surround the blank cavity 8. Further, as shown in fig. 1, a gap is formed between the outer side portion of the spacer portion 32 and the outer side wall of the blank chamber 8, and a gap is also formed between the outer side portion of the spacer portion 32 and the outer side wall of the reducing chamber 91, so that the assembly of the core 3 and the base body 7 is facilitated.
According to the structure described above, the plurality of spacers 32 cooperate with the base 7 to form a plurality of blank cavities 8 arranged at intervals for accommodating metal strips made of different materials.
In this embodiment, preferably, as shown in fig. 6, the main body 31 includes a straight line section 311, a reduced diameter section 312, a reduced wall section 313 and a sizing section 314 connected in sequence;
wherein, the straight line segment 311 and the front mould 4 enclose to form a blank cavity 8; the reducing section 312 and the middle die 5 are enclosed into a reducing cavity 91, the reducing section 313 and the rear die 6 are enclosed into a reducing cavity 92, and the sizing section 314 and the rear die 6 are enclosed into a sizing cavity 93;
the straight section 311, the reduced wall section 313 and the sizing section 314 each have a cylindrical configuration, with the reduced wall section 313 having a diameter equal to the diameter of the sizing section 314 and less than the diameter of the straight section 311.
Wherein, the taper angle α of the reducing section 312 is (5-30) °, preferably (5-10) °, and the length of the reducing section 312 is (30-50) mm; the length of the reduced wall section 313 is (10-50) mm; the length of the sizing section 314 is (10-30) mm;
as shown in fig. 7 and 8, the front mold 4 includes a first body 41, the first body 41 is formed with a first installation cavity 42 penetrating through both ends thereof, and a straight line segment 311 of the inner core 3 is disposed in the first installation cavity 42; the first body 41 further forms a plurality of first mounting grooves 43 spaced apart along the circumferential direction of the mounting cavity, and the partition portion 32 of the inner core 3 is fitted into the first mounting grooves 43.
According to the above-described structure, the straight line segment 311 of the inner core 3 and the side wall of the first mounting cavity 42 of the front mold 4 enclose the blank cavity 8, and the size of the blank cavity 8 is unchanged along the longitudinal section of the base 7 in the length direction, specifically, the first mounting cavity 42 is cylindrical and has a diameter larger than the diameter of the straight line segment 311 of the inner core 3.
In this embodiment, preferably, as shown in fig. 9 and 10, the middle mold 5 includes a second body 51, the second body 51 is formed with a second mounting cavity 52 penetrating both ends thereof, and the reduced diameter section 312 of the inner core 3 is provided in the second mounting cavity 52; the second body 51 further forms a plurality of second mounting grooves 53 spaced apart along the circumferential direction of the mounting cavity, and the partition portion 32 of the inner core 3 is fitted into the second mounting grooves 53.
According to the above-described structure, the reducing section 312 of the inner core 3 and the side wall of the second installation cavity 52 of the middle mold 5 are enclosed to form the reducing cavity 91, and the reducing cavity 91 is tapered along the pushing direction of the pushing member 1, so that when a metal strip made of different materials passes through the reducing cavity 91, the two ends of the metal strip are blocked by the pushing member 1 and the side wall of the reducing cavity 91, i.e. the first mold wall, and the metal strip starts to widen at the reducing section 312 and gradually achieves side contact.
In this embodiment, preferably, as shown in fig. 11 and 12, the rear mold 6 includes a third body 61, the third body 61 forms a circular hole 62 and a tapered hole 63 which are communicated in sequence, and the reduced-wall section 313 of the inner core 3 is disposed in the tapered hole 63, and the sizing section 314 of the inner core 3 is disposed in the circular hole 62.
According to the above-described structure, the reduced wall section 313 of the core 3 and the side wall of the tapered hole 63 of the middle mold 5 are enclosed to form the reduced wall cavity 92, and it is noted that although the size of the reduced wall section 313 of the core 3 is unchanged, since the tapered hole 63 of the middle mold 5 is tapered, that is, along the pushing direction of the pushing member 1, the size of the reduced wall cavity 91 is tapered, when metal of different materials passes through the reduced wall cavity 92, the metal is extruded by the side wall of the tapered hole 63, that is, the second mold wall described above, so as to reduce the wall thickness, and the interface of two adjacent metal strips is chemically and metallurgically compounded under the action of temperature and pressure. The taper β of the tapered hole 63 is (10-60) °.
In this embodiment, preferably, as shown in fig. 13, the pushing member 1 includes a connected grip portion 11 and a plurality of pushing portions 12; the pushing portions 12 are arranged at intervals along the circumferential direction of the holding portion 11, and the pushing portions 12 extend in a direction away from the holding portion 11.
According to the above-described structure, the plurality of pushing portions 12 correspond to the plurality of blank cavities 8 one by one, so that when the holding portion 11 is pushed, the pushing portions 12 push the blanks placed in the blank cavities 8 to advance.
In this embodiment, preferably, as shown in fig. 1 and 2, the multi-chamber extrusion preparation apparatus for side duplex metal composites further comprises an outer cylinder 2, the outer cylinder 2 is formed with a mounting channel penetrating both ends thereof, a base 7 is disposed in the mounting channel, and a heating device is disposed in a side wall of the outer cylinder 2.
According to the above-described structure, the heating device is used for heating the front mold 4, the middle mold 5, the rear mold 6 and the inner core 3, specifically, the heating device is a resistance wire or an electric induction ring, that is, the heating mode is resistance heating or electric induction heating, and the target temperature of the heating is (300-.
Example two
Embodiments of the present application further provide a method for preparing a side duplex type metal composite material, including a multi-cavity extrusion preparation apparatus for a side duplex type metal composite material according to any of the above embodiments, so that all beneficial technical effects of the apparatus are achieved, and further description is omitted here.
In this embodiment, preferably, as shown in fig. 1 and 14, the method for preparing the side multi-layer metal composite includes the steps of:
200, placing metal strips made of different materials into a blank cavity 8 formed by the inner core 3 and the base body 7 at intervals;
and step 300, pushing the metal strips by using the pushing member 1 to sequentially pass through the reducing cavity 91, the wall reducing cavity 92 and the sizing cavity 93 formed by the inner core 3 and the base body 7, so that any adjacent metal strips are combined and a composite pipe or a composite plate is formed.
The method utilizes the principle of multi-mode extrusion and is matched with the multi-cavity extrusion preparation device of the side compound metal composite material to realize the side surface compounding of the metal strips in a single procedure, so that the side compound pipe and strip are obtained, the compound interface bonding strength is high, and the large coil weight production can be realized.
Specifically, the detailed steps of the preparation method of the side compound metal composite material are as follows:
heating the front mold 4, the middle mold 5, the rear mold 6 and the inner core 3 by using a heating device in the outer cylinder 2, and preserving heat for later use;
metal strips made of different materials are placed into a blank cavity 8 formed by an inner core 3 and a front die 4 at intervals;
pushing the metal strip to move towards the reducing cavity 91 by using the pushing member 1, wherein the two ends of the metal strip are blocked by the pushing member 1 and the gradually reduced die wall, the metal strip begins to widen in the reducing cavity 91, and the side surface contact is gradually realized;
the pushing component 1 continues to advance, the side surfaces of the metal strips made of different materials are mutually extruded in the wall-reducing cavity 92, and chemical metallurgical compounding is generated on the interface under the action of temperature and pressure;
the side compound composite pipe forming the metallurgical bond forms a composite pipe material with a circular cross section at the sizing section 314;
cutting the composite pipe along the axis of the composite pipe, and flattening to obtain a side duplex metal strip;
and finishing the molding of the side compound metal composite pipe and plate.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A multi-cavity extrusion preparation device of a side duplex metal composite material is characterized by comprising: a base, an inner core and a pushing member; the inner core is arranged in the base body, and a blank cavity and a forming cavity which are communicated with each other are enclosed by the inner core and the base body along the length direction of the base body; the blank cavities are multiple in number and are arranged at intervals along the circumferential direction of the inner core;
the pushing member can be inserted into the blank cavity and move along the blank cavity so as to push the blank placed in the blank cavity into the forming cavity.
2. The multi-cavity extrusion preparation apparatus of a side duplex metal composite according to claim 1, wherein the forming cavity comprises a reducing cavity, a reducing wall cavity and a sizing cavity, and the reducing cavity, the reducing wall cavity and the sizing cavity are arranged in sequence along a moving direction of the billet.
3. The multi-cavity extrusion fabrication apparatus of a side duplex metal composite as set forth in claim 2, wherein the base body includes a front mold, a middle mold, and a rear mold, which are sequentially disposed; the front die and the inner core are enclosed into the blank cavity; the middle die and the inner core are arranged in a surrounding mode to form the reducing cavity, and the rear die and the inner core are arranged in a surrounding mode to form the reducing wall cavity and the sizing cavity in sequence.
4. The multi-cavity extrusion preparation apparatus of the side duplex metal composite according to claim 3, wherein the inner core comprises a main body and a plurality of spacing portions arranged on the main body, the plurality of spacing portions are arranged at intervals along the circumferential direction of the main body, and any two adjacent spacing portions and the front mold are enclosed into the blank cavity;
the main body comprises a straight line section, a reducing wall section and a sizing section which are connected in sequence; the straight line section and the front mold are enclosed into the blank cavity; the reducing section and the middle die are enclosed into the reducing cavity, the reducing section and the rear die are enclosed into the reducing cavity, and the sizing section and the rear die are enclosed into the sizing cavity;
the straight line section, the reduced wall section and the sizing section all have cylindrical structures, and the diameter of the reduced wall section is equal to that of the sizing section and smaller than that of the straight line section.
5. The multiple cell extrusion apparatus for producing side compound metal composites according to claim 4, wherein the tapered section of the inner core has a draft angle α of (5-30) °.
6. The multi-cavity extrusion preparation device of the side duplex metal composite material according to claim 4, wherein the front die comprises a first body, the first body is formed with a first mounting cavity penetrating through two ends of the first body, the straight line section of the inner core is arranged in the first mounting cavity, and the straight line section of the inner core and the side wall of the first mounting cavity are enclosed into the forming cavity; the first body is further provided with a plurality of first mounting grooves distributed at intervals along the circumferential direction of the mounting cavity, and the interval parts of the inner core are assembled in the first mounting grooves.
7. The multi-cavity extrusion preparation apparatus of the side duplex metal composite according to claim 4, wherein the middle die comprises a second body, the second body is formed with a second installation cavity penetrating through two ends of the second body, the reducing section of the inner core is arranged in the second installation cavity, and the reducing section of the inner core and the side wall of the second installation cavity are enclosed into the reducing cavity; the second body is further provided with a plurality of second mounting grooves distributed at intervals along the circumferential direction of the mounting cavity, and the interval parts of the inner core are assembled in the second mounting grooves.
8. The multi-cavity extrusion preparation apparatus of a side duplex metal composite of claim 4, wherein the rear die comprises a third body forming a circular hole and a tapered hole which are sequentially communicated; the reduced wall section of the inner core is arranged in the conical hole, and the reduced diameter section of the inner core and the side wall of the conical hole are enclosed into the reduced diameter cavity; the sizing section of inner core set up in the circular port, just the sizing section of inner core with the lateral wall of circular port encloses and establishes into the sizing chamber.
9. The multi-chamber extrusion preparation apparatus of a side duplex metal composite of any one of claims 4 to 7, wherein the pushing member comprises a connected grip portion and a plurality of pushing portions; the pushing portions are arranged at intervals along the circumferential direction of the holding portion, and extend along the direction far away from the holding portion.
10. The multi-chamber extrusion fabrication apparatus of a side duplex metal composite according to any one of claims 2 to 8, further comprising an outer cylinder formed with a mounting channel through both ends thereof, the base being disposed in the mounting channel, and a heating means being disposed in a side wall of the outer cylinder.
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| CN111702026A (en) * | 2020-06-28 | 2020-09-25 | 郑州机械研究所有限公司 | Multi-cavity extrusion preparation device and preparation method of side compound metal composite material |
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| CN111702026A (en) * | 2020-06-28 | 2020-09-25 | 郑州机械研究所有限公司 | Multi-cavity extrusion preparation device and preparation method of side compound metal composite material |
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