CN114378130B - Aluminum-based composite material extrusion device - Google Patents

Abstract

The invention provides an aluminum-based composite material extrusion device, relates to the technical field of metallurgical equipment, and is designed for solving the problem that the conventional heating system of an extrusion die is inconvenient to supply power. The extrusion device for the aluminum-based composite material comprises a front beam, a die carrier, a die holder, an extrusion die, a heating assembly and a locking assembly, wherein the die carrier is fixedly connected with the front beam, the die holder is movably arranged on the die carrier, and the extrusion die is fixedly arranged on the die holder; a heating assembly is mounted to the die holder, the heating assembly being configured to transfer heat to the extrusion die; the front beam is fixedly provided with a power supply connector, the heating assembly is connected with an electric bar, the locking assembly is connected between the die carrier and the die holder in a transmission manner, and the locking assembly is configured to enable the die holder to have a locking position and a die changing position; in the locking position, the electric bar is electrically connected with the power supply connector, and the heating assembly is powered; and at the die changing position, the power strip is separated from the power supply connector, and the heating assembly loses power. The invention can conveniently realize the power supply of the heating system of the extrusion die.

Description

Aluminum matrix composite extrusion device

technical field

The invention relates to the technical field of metallurgical equipment, in particular to an extrusion device for aluminum-based composite materials.

Background technique

In the extrusion production process of aluminum matrix composite materials, the extrusion die needs to be heated. Due to the high temperature of the extrusion die for aluminum-based composite materials, and the need to move and change the die after each extrusion, the conventional power supply connection method is difficult to meet the power supply requirements for the extrusion die heating system. Although it is possible to learn from the power supply connection method of the extrusion cylinder heating system, use drag chains and quick-plug connectors, and use high temperature cables to power the heating system of the extrusion die, but due to the limitation of the surrounding space of the extrusion die, it is very difficult to It is difficult to apply this method of connecting the drag chain and the quick-plug connector to the power supply operation of the extrusion die. Even if this method can be adopted, the cost will be greatly increased, and the operation is inconvenient, which brings certain problems to the extrusion production. Inconvenient and difficult to maintain.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an aluminum-based composite material extrusion device to solve the existing technical problem of inconvenient power supply to the heating system of the extrusion die.

The aluminum-based composite material extrusion device provided by the present invention includes a front beam, a die base, a die base, an extrusion die, a heating assembly and a locking assembly, wherein the die base is fixedly connected to the front beam, and the die base is fixedly connected to the front beam. The seat is movably arranged on the die base, and the extrusion die is fixedly arranged on the die base; the heating component is mounted on the die base, and the heating component is configured to transfer heat to the extrusion die; the The front beam is fixedly provided with a power supply connector, the heating assembly is connected with an electric row, the locking assembly is drivingly connected between the mold base and the mold base, and the locking assembly is configured to make the mold The seat has a locking position and a mold changing position.

In the locking position, the electric row is electrically connected with the power supply connector, and the heating assembly is powered; in the mold changing position, the electric row is separated from the power supply connector, and the heating assembly is de-energized .

Further, the power supply connector includes an elastic wiring clip, and the elastic wiring clip is used for tightly plugging with the electrical bar.

Further, the heating assembly is connected with a plurality of electrical bars, the power supply connector includes a plurality of elastic wiring clips, the number of the elastic wiring clips is the same as the number of the electrical bars, and a plurality of the elastic wiring clips are provided. The headers are used to be tightly plugged with the plurality of the electrical strips in one-to-one correspondence.

Further, the electrical row includes a first segment and a second segment connected in an L shape, the first segment is parallel to the radial plane of the extrusion die, and the second segment is parallel to the extrusion die. The plane in which the axial direction of the mold is located, wherein the first section is used for electrical connection with the heating component, and the second section is used for electrical connection with the power supply connector.

Further, the power supply connector is fixedly installed on the front beam through an insulating plate.

Further, the mold base is movably arranged on the mold base, and the path of the mold base being switched between the locking position and the mold changing position is a straight line.

Further, the locking assembly includes a linear driving member, a connecting rod and an ejector rod, wherein the connecting rod is hinged with the mold base through its rod segment; the housing of the linear driving member is hinged on the mold base, The power output end of the linear drive member is hinged with the first end of the connecting rod; the mold frame is provided with a first guide hole and a second guide hole, and the first guide hole and the second guide hole are along the The moving directions of the die bases are spaced apart and opposite. The ejector rod includes a lock rod and a drive column fixedly connected with the lock rod. One end of the lock rod is slidably matched with the first guide hole. The other end of the connecting rod is slidably matched with the second guide hole, the drive column is located between the first guide hole and the second guide hole, the second end of the connecting rod is provided with a strip hole, the A driving column is inserted into the strip hole, and the locking rod is configured to drive the die base to switch between the locking position and the die changing position.

Further, the side of the die base facing the locking assembly is provided with a driving notch, and the driving notch has a locking driving surface and a die changing driving surface that are spaced apart and opposite along the moving direction of the die base. A guide hole and the second guide hole are both disposed in the driving notch, one end of the locking rod is configured to cooperate with the locking driving surface, and the other end of the locking rod is configured to cooperate with the locking driving surface. Die change drive surface fit.

Further, the linear drive member includes a hydraulic cylinder.

Further, there are multiple sets of the locking assemblies, and the multiple sets of the locking assemblies are configured to jointly drive the die base to switch between the locking position and the die changing position.

The beneficial effects brought by the aluminum-based composite material extrusion device of the present invention are:

By setting up an aluminum-based composite extrusion device mainly composed of a front beam, a die base, a die base, an extrusion die, a heating component and a locking component, when the extrusion die is in the extrusion position (on-line), the locking component moves , drive the mold base to move to the locking position. When the mold base moves to the locking position, the electric row connected to the heating assembly will be electrically connected to the power supply connector set on the front beam, so that the heating assembly can be powered. At this time, you can The heating component is used to heat the extrusion die; when the extrusion is completed, the locking component continues to act, and the extrusion die is ejected, so that the extrusion die can be moved to the changing position. When the die base moves to the changing position After the mold is in position, the electric row connected to the heating assembly will be separated from the power supply connector provided on the front beam, so that the heating assembly will be de-energized and the power supply operation to the heating assembly will be stopped.

The aluminum-based composite material extrusion device can automatically supply power to the heating component during the process of the locking component driving the extrusion die to lock, and correspondingly, in the process that the locking component drives the extrusion die to withdraw from the die In the process, the power supply to the heating component is automatically stopped. The whole process utilizes the feature that the mold base will switch between the locking position and the mold changing position, and the power supply operation and power-off operation of the heating component are conveniently realized, which is not only safe and reliable. Moreover, based on the components of the aluminum matrix composite extrusion device, there is basically no need to modify the device, and there is no redundant execution action, which is convenient for maintenance.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only It is an embodiment of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without creative work.

FIG. 1 is a partial front view of the structure of an aluminum-based composite material extrusion device provided in an embodiment of the present invention;

Fig. 2 is the partial structure enlarged view of A place in Fig. 1;

FIG. 3 is a side structural cross-sectional view of the aluminum-based composite material extrusion device in FIG. 1;

Fig. 4 is a partial structure enlarged view at B in Fig. 3;

FIG. 5 is a schematic diagram of the connection between the electrical row and the power supply connector of the aluminum-based composite material extrusion device according to the embodiment of the present invention.

Description of reference numbers:

100-front beam; 200-die base; 300-die base; 400-extrusion die; 500-heating rod; 600-locking assembly; 700-power supply connector; 900-insulation plate; 910-installation base;

210-first guide hole; 220-second guide hole;

310 - drive notch;

610-linear drive; 620-connecting rod; 630-top rod; 631-lock rod; 632-drive column; 640-first support; 650-second support;

710 - the first elastic wiring clip; 720 - the second elastic wiring clip; 730 - the third elastic wiring clip; 740 - the fourth elastic wiring clip;

810 - the first electric row; 820 - the second electric row; 830 - the third electric row; 840 - the fourth electric row.

Detailed ways

In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

FIG. 1 is a front view of the partial structure of the aluminum-based composite material extrusion device provided in this embodiment, FIG. 2 is an enlarged view of the partial structure at A in FIG. 1 , and FIG. 3 is a side view of the aluminum-based composite material extrusion device in FIG. 1 . Structural sectional view. As shown in FIG. 1 to FIG. 3 , this embodiment provides an aluminum-based composite material extrusion device, including a front beam 100 , a mold base 200 , a mold base 300 , an extrusion mold 400 , a heating assembly, and a locking assembly 600 , Specifically, the die base 200 is fixedly connected to the front beam 100, the die base 300 is movably arranged on the die base 200, and the extrusion die 400 is fixedly arranged on the die base 300; the heating assembly is installed on the die base 300, and the heating assembly is configured to extrude The mold 400 transmits heat; the front beam 100 is fixedly provided with a power supply connector 700, the heating assembly is connected with an electric row, the locking assembly 600 is drivingly connected between the mold base 200 and the mold base 300, and the locking assembly 600 is configured to make the mold base 300 It has a locking position and a mold changing position; wherein, in the locking position, the electric bar is electrically connected to the power supply connector 700, and the heating assembly is powered; in the mold changing position, the electric bar is separated from the power supply connector 700, and the heating assembly is de-energized.

When the extrusion die 400 is in the extrusion position (on-line), the locking assembly 600 acts to drive the die base 300 to move to the locking position. When the die base 300 moves to the locking position, the electrical row connected to the heating assembly will The power supply connector 700 provided on the front beam 100 is electrically connected to enable the heating element to be powered. At this time, the heating element can be used to heat the extrusion die 400; when the extrusion is completed, the locking element 600 continues to act to counteract the extrusion. The pressing die 400 is demolded, so as to move the extrusion die 400 to the die changing position. When the die base 300 moves to the die changing position, the electrical row connected to the heating assembly will be connected to the power supply connector 700 provided on the front beam 100. Disconnect, de-energize the heating assembly, and stop the power supply operation to the heating assembly.

The aluminum-based composite material extrusion device through the above-mentioned settings, so that when the locking component 600 drives the extrusion die 400 to lock, the power supply to the heating component is automatically realized. Correspondingly, the locking component 600 drives the extrusion die 400 In the process of ejecting the mold, the power supply to the heating element is automatically stopped. The whole process utilizes the feature that the mold base 300 can switch between the locking position and the mold changing position, which conveniently realizes the power supply operation and power off of the heating element. The operation is not only safe and reliable, but also based on the components of the aluminum matrix composite extrusion device, basically no modification of the device is required, and there is no redundant execution action, which is convenient for maintenance.

Specifically, in this embodiment, the power supply connector 700 includes an elastic wiring clip, wherein the elastic wiring clip is used for tightly plugging with the electrical bar. This arrangement can ensure the reliable connection between the power supply connector 700 and the power supply connector 700, and avoid the failure of the connection between the power supply connector 700 and the power supply connector 700 due to local vibration when the aluminum-based composite material extrusion device of this embodiment works.

Please continue to refer to FIG. 2 , in this embodiment, the heating element is connected with four electric banks, namely the first electric bank 810 , the second electric bank 820 , the third electric bank 830 and the fourth electric bank 840 , correspondingly, the power supply The connector 700 includes four elastic wiring clips, namely a first elastic wiring clip 710, a second elastic wiring clip 720, a third elastic wiring clip 730 and a fourth elastic wiring clip 740, wherein the first elastic wiring clip The clip 710 is used for tightly plugging with the first electrical row 810 , the second elastic wiring clip 720 is used for tightly plugging with the second electrical row 820 , and the third elastic wiring clip 730 is used for tight fitting with the third electrical row 830 For plugging, the fourth elastic wiring clip 740 is used for tightly plugging with the fourth electrical row 840 .

Please continue to refer to FIG. 1 , in this embodiment, the heating assembly includes a plurality of heating rods 500 , and the plurality of heating rods 500 are fixedly arranged on the die base 300 , and the plurality of heating rods 500 are arranged at intervals along the circumferential direction of the extrusion die 400 . . When the plurality of heating rods 500 work, the heat is transferred to the die base 300 , and then the heat is transferred to the extrusion die 400 through the die base 300 , so as to realize the heating of the extrusion die 400 .

Please continue to refer to FIG. 1 and FIG. 3 . In this embodiment, the electrical row includes a first segment and a second segment connected in an L-shape. Specifically, the first segment is parallel to the radial plane of the extrusion die 400 , and the second segment is The segments are parallel to the plane of the axial direction of the extrusion die 400 , wherein the first segment is used for electrical connection with the heating assembly, and the second segment is used for electrical connection with the power supply connector 700 .

With this wiring method of the electrical row, additional processing of the die base 300 is basically unnecessary, thereby further reducing the power supply cost of the aluminum-based composite material extrusion device of this embodiment.

FIG. 4 is an enlarged view of a part of the structure at B in FIG. 3 . Please continue to refer to FIG. 2 and in conjunction with FIG. 4 , in this embodiment, the power supply connector 700 is fixedly installed on the front beam 100 through the insulating plate 900 . In this way, the insulation between the power supply connector 700 and the front beam 100 can be achieved, thereby improving the safety of the aluminum-based composite material extrusion device of this embodiment during use.

Please continue to refer to FIG. 4 , in this embodiment, the power supply connector 700 is fixed to the insulating plate 900 through the mounting base 910 , and the insulating plate 900 is fixedly connected to the front beam 100 . Specifically, the mounting base 910 may be fixedly connected to the insulating plate 900 through a screw connection, and the insulating plate 900 may be fixed to the front beam 100 by means of bonding.

In this embodiment, the mold base 300 is moved and disposed on the mold base 200 , and the path for the mold base 300 to switch between the locking position and the mold changing position is a straight line. Specifically, please continue to refer to FIG. 3, the arrow mn indicates the moving direction of the die base 300. When the die base 300 moves in the m direction to approach the front beam 100, locking can be achieved; when the die base 300 moves in the n direction When it is far away from the front beam 100, the mold release can be realized.

With this arrangement, the purpose of connecting or separating the electrical row and the power supply connector 700 can be achieved during the movement of the die base 300 , the structure is simple, and the power supply is reliable.

Please continue to refer to FIG. 3 , in this embodiment, the locking assembly 600 may include a linear driving member 610 , a connecting rod 620 and a top rod 630 . Specifically, the connecting rod 620 is hinged with the mold base 200 through its rod segment; the linear driving member 610 The outer shell of the die is hinged to the mold base 200, and the power output end of the linear drive member 610 is hinged to the first end of the connecting rod 620; The two guide holes 220 are spaced apart and opposite to each other along the moving direction of the die base 300 . The ejector rod 630 includes a lock rod 631 and a drive column 632 fixedly connected with the lock rod 631 . The other end of the connecting rod 631 is slidably matched with the second guide hole 220. The driving column 632 is located between the first guide hole 210 and the second guide hole 220. The second end of the connecting rod 620 is provided with a bar-shaped hole. The hole is inserted, and the locking lever 631 is configured to drive the die base 300 to switch between the locking position and the die changing position.

When the extrusion die 400 needs to be locked, that is, when the die base 300 needs to be moved to the locking position, the power output end of the linear drive member 610 extends to transmit the power to the first end of the connecting rod 620, At this time, the connecting rod 620 will rotate counterclockwise around the hinge point between the connecting rod 620 and the mold base 200, and the locking rod 631 will turn to the left under the cooperation of the strip hole provided at the second end of the connecting rod 620 and the driving column 632 (FIG. 3 The direction of the middle arrow m) extends from the first guide hole 210, and drives the die base 300 to move toward the direction close to the front beam 100 to realize the locking of the die base 300; when the extrusion die 400 needs to be demolded, That is, when the mold base 300 needs to be moved to the mold changing position, the power output end of the linear driving member 610 is retracted, and the power is transmitted to the first end of the connecting rod 620. At this time, the connecting rod 620 will be wound around it and the mold The hinge point of the frame 200 rotates clockwise, and under the cooperation of the bar-shaped hole provided at the second end of the connecting rod 620 and the driving column 632, the locking rod 631 will move to the right (in the direction of arrow n in FIG. 3 ) from the second guide hole 220 is extended, and the mold base 300 is driven to move in a direction away from the front beam 100 to realize the ejection of the mold base 300 .

The setting form of the locking assembly 600 can realize reliable locking of the die base 300, thereby ensuring the working reliability of the aluminum-based composite material extrusion device of this embodiment.

Please continue to refer to FIG. 3 , in this embodiment, the linear driving member 610 is hinged to the mold base 200 through the first support 640 , and the rod section of the connecting rod 620 is hinged to the mold base 200 through the second support 650 .

Please continue to refer to FIG. 3 , in this embodiment, the side of the die base 300 facing the locking assembly 600 is provided with a driving notch 310 , and the driving notch 310 has a locking driving surface and a die changing drive that are spaced apart and opposite along the moving direction of the die base 300 . The first guide hole 210 and the second guide hole 220 are both disposed in the driving notch 310, and one end of the locking rod 631 is configured to cooperate with the locking driving surface, and the other end of the locking rod 631 is configured to cooperate with the mold changing drive surface fit.

Specifically, when the linear driving member 610 drives the locking rod 631 to move to the left, the left end of the locking rod 631 will protrude out of the first guide hole 210 and abut and cooperate with the locking driving surface, under the continuous power action of the linear driving member 610 Down, push the mold base 300 to move to the left to achieve the purpose of locking; similarly, when the linear driving member 610 drives the locking rod 631 to move to the right, the right end of the locking rod 631 will extend out of the second guide hole 220, and will be connected with the mold change. The driving surface abuts and cooperates, and under the continuous power of the linear driving member 610, the mold base 300 is pushed to move to the right, so as to achieve the purpose of ejecting the mold.

By arranging the driving notch 310 in the die base 300, it is possible to accommodate a part of the components of the locking assembly 600, so that the structure of the aluminum-based composite material extrusion device of this embodiment is relatively compact.

Please continue to refer to FIG. 3 . In this embodiment, the linear driving member 610 includes a hydraulic cylinder. At this time, the cylinder of the hydraulic cylinder is the housing of the linear driving member 610 , and the piston rod of the hydraulic cylinder is the power of the linear driving member 610 . output. The setting form of the linear driving member 610 is reliable in driving.

Please continue to refer to FIG. 1 , in this embodiment, two groups of locking assemblies 600 are provided, and the two groups of locking assemblies 600 are configured to jointly drive the mold base 300 to switch between the locking position and the mold changing position.

By arranging two sets of locking assemblies 600 to jointly realize the driving of the die base 300, on the one hand, the driving force can be effectively increased to realize reliable locking of the die base 300, and on the other hand, the locking points can be increased, Smooth movement of the die base 300 is achieved.

FIG. 5 is a schematic diagram of the connection between the electrical row and the power supply connector 700 of the aluminum-based composite material extrusion device provided in this embodiment. Please continue to refer to FIG. 4 , in this embodiment, when the mold base 300 is in the mold changing position, the first electric row 810 , the second electric row 820 , the third electric row 830 and the fourth electric row 840 are connected to the power supply connector 700 As shown in FIG. 5, when the mold base 300 is in the locked position, the first electric row 810, the second electric row 820, and the third electric row 830 and the fourth electrical row 840 are both inserted into the power supply connector 700, and the mating lengths with the power supply connector 700 are both c. Among them, the value range of a is 5 to 8 mm, b is about 15 mm, and c is about 10 mm.

Since die locking is an action that a conventional extruder needs to perform, the present invention makes the electrical row outside the die base 300 into an L-shape, and installs a power supply with an elastic wiring clip at the position corresponding to the inner end face of the front beam 100 joint 700, and ensure good insulation; when the extrusion die 400 is locked, the die base 300 will move in the direction of the front beam 100, so that the electric row of the die base 300 is firmly connected with the power supply connector 700, and the extrusion die 400 is connected to the power supply connector 700. Power supply for heating system.

After the extrusion is completed, it is necessary to perform the action of demolding the extrusion die 400, that is, the locking assembly 600 is opened, so as to facilitate the movement of the die to the die changing position. At this time, the die base 300 will move in a direction away from the front beam 100 , so as to achieve the purpose of separating the electrical row outside the die base 300 from the elastic connection clamp of the power supply connector 700 , without affecting the movement of the die base 300 , and can smoothly connect the The die base 300 is moved to the die change position without any obstruction and redundant execution.

Although the present invention is disclosed above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be based on the scope defined by the claims.

Finally, it should also be noted that in this document, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply these entities or that there is any such actual relationship or sequence between operations. Moreover, the term "comprising" or any other variation thereof is intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not expressly listed, Or also include elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

In the above-mentioned embodiments, the descriptions of orientations such as "left", "right", "clockwise", "counterclockwise", etc., are all based on what is shown in the accompanying drawings.

The above description of the disclosed embodiments enables any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. An aluminum-based composite material extrusion device, characterized in that it comprises a front beam (100), a die base (200), a die base (300), an extrusion die (400), a heating component and a locking component (600). ), wherein the mold base (200) is fixedly connected to the front beam (100), the mold base (300) is movably arranged on the mold base (200), and the extrusion die (400) is fixedly arranged mounted on the die base (300); the heating assembly is mounted on the die base (300), and the heating assembly is configured to transfer heat to the extrusion die (400); the front beam (100) is fixed A power supply connector (700) is provided, the heating assembly is connected with an electric row, the locking assembly (600) is drivingly connected between the mold base (200) and the mold base (300), and the locking The assembly (600) is configured to have the die base (300) having a locking position and a die changing position; In the locking position, the electric bar is electrically connected with the power supply connector (700), and the heating assembly is powered; in the mold changing position, the electric bar is separated from the power supply connector (700), The heating assembly is powered off; the mold base (300) is movably arranged on the mold base (200), and the path for the mold base (300) to switch between the locking position and the mold changing position is as follows: Linear; the locking assembly (600) includes a linear drive (610), a connecting rod (620) and a top rod (630), wherein the connecting rod (620) is connected to the mold base (200) through its rod segment ) hinged; the shell of the linear drive (610) is hinged to the mold frame (200), and the power output end of the linear drive (610) is hinged with the first end of the connecting rod (620); so The mold base (200) is provided with a first guide hole (210) and a second guide hole (220), and the first guide hole (210) and the second guide hole (220) are arranged along the mold base (300). ) are spaced apart and opposite to each other, the ejector rod (630) includes a lock rod (631) and a drive column (632) fixedly connected with the lock rod (631), and one end of the lock rod (631) is connected to the lock rod (631). The first guide hole (210) is slidably fitted, the other end of the locking rod (631) is slidably fitted with the second guide hole (220), and the drive column (632) is located in the first guide hole (210). ) and the second guide hole (220), a bar-shaped hole is formed at the second end of the connecting rod (620), the driving column (632) is inserted into the bar-shaped hole, and the lock A lever (631) is configured to drive the die base (300) to switch between the locking position and the die changing position. 2 . The aluminum-based composite material extrusion device according to claim 1 , wherein the power supply connector ( 700 ) comprises an elastic wiring clip, and the elastic wiring clip is used for tightly plugging with the electrical bar. 3 . . 3. The aluminum-based composite material extrusion device according to claim 2, characterized in that, the heating component is connected with a plurality of electric bars, the power supply connector (700) comprises a plurality of elastic wiring clips, and the elastic The number of the wiring clips is the same as the number of the electrical bars, and a plurality of the elastic wiring clips are used for tightly plugging with the plurality of the electrical bars in one-to-one correspondence. 4. The aluminum-based composite material extrusion device according to claim 1, wherein the electrical row comprises a first segment and a second segment connected in an L shape, and the first segment is parallel to the extrusion The radial plane of the die (400), the second segment is parallel to the axial plane of the extrusion die (400), wherein the first segment is used for electrical connection with the heating component, the The second segment is used for electrical connection with the power supply connector (700). 5 . The aluminum-based composite material extrusion device according to claim 1 , wherein the power supply connector ( 700 ) is fixedly installed on the front beam ( 100 ) through an insulating plate ( 900 ). 6 . 6. The aluminum-based composite material extrusion device according to claim 1, characterized in that, a driving notch (310) is provided on the side of the die base (300) facing the locking assembly (600), and the driving The notch (310) has a locking driving surface and a die changing driving surface spaced apart and opposite along the moving direction of the die base (300), and the first guide hole (210) and the second guide hole (220) are both is disposed in the driving notch (310), one end of the locking rod (631) is configured to cooperate with the locking driving surface, and the other end of the locking rod (631) is configured to be matched with the mold changing drive surface fit. 7. The aluminum-based composite material extrusion device according to claim 1, wherein the linear driving member (610) comprises a hydraulic cylinder. 8. The aluminum-based composite material extrusion device according to any one of claims 1-5, characterized in that, there are multiple sets of the locking assemblies (600), and the multiple sets of the locking assemblies (600) are It is configured to jointly drive the die base (300) to switch between the locking position and the die changing position.

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