Extrusion machine with automatic die replacement

Abstract

The present invention discloses an extruder with automatically replaceable molds, belonging to the field of extrusion molding. The extruder with automatically replaceable molds of the present invention includes a machine base, on which there is a mold seat body, and an extrusion mold is arranged on the mold seat body. On both sides of the mold seat body in the axial direction of the extrusion mold on the machine base, there are an extrusion device and a discharging device. A translation device for connecting the mold seat body is arranged on the side of the machine base, and the translation device is used to translate the mold seat body after the extrusion process ends. There is also a mold replacement device and a conveyor belt on the machine base. The mold replacement device includes a mold disassembly device and a mold transfer device. The mold disassembly device disassembles the extrusion mold from the mold seat body and places it on the conveyor belt, and the extrusion mold is conveyed outwards through the conveyor belt. The extrusion mold with the remaining material removed is conveyed towards the mold seat body by the conveyor belt, and the mold transfer device clamps the extrusion mold and transports it to the mold storage table to wait for assembly.

Description

[Technical field]

[0001] The invention relates to the field of extrusion molding, in particular to an extruder with automatically replaceable molds. [Background technology]

[0002] Copper tubes have a wide range of application scenarios. Currently, there are many ways to make copper tubes, such as directly casting them with molten copper or extruding copper ingots. In the extrusion molding method, extrusion equipment and extrusion dies are used. The extrusion equipment extrude the copper ingots toward the extrusion die. After passing through the extrusion die, the copper ingots can be formed into a rough tube blank. Some copper materials will remain on the extrusion die after extrusion. At this time, the extrusion die cannot be used to make tubes. The copper materials remaining on the extrusion die need to be removed before they can be used again. Therefore, the extrusion die needs to be replaced, but the replacement of the extrusion die is more complicated and time-consuming, which will affect the production progress of the tube. [Summary of the invention]

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and to provide an extruder with an automatically replaceable die.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] An extruder with automatically replaceable dies comprises a machine base, a die base body being provided on the machine base, an extrusion die being provided on the die base body, an extrusion device and a discharge device being provided on both sides of the die base body on the axial direction of the extrusion die on the machine base, a translation device connected to the die base body being provided on the side of the machine base, the translation device being used to translate the die base body after the extrusion process is completed, a die replacement device and a conveyor belt being further provided on the machine base, the die replacement device comprising a die disassembly device and a die transfer device, the die disassembly device disassembling the extrusion die from the die base body and placing it on the conveyor belt and transferring the extrusion die outwardly via the conveyor belt, the extrusion die with excess material removed is transferred by the conveyor belt toward the die base body, and the die transfer device clamps the extrusion die to a die storage table for waiting for assembly.

[0006] On the basis of the above scheme, a limit member is also provided on the mold base, and the limit member stops the extrusion mold in the direction of extruding the raw material by the extrusion device. The mold disassembly equipment includes a toggle device, and the toggle device pushes the extrusion mold to remove the extrusion mold from the mold base.

[0007] On the basis of the above scheme, the conveyor belt is arranged under the mold base, and the mold disassembly equipment also includes a clamping device for clamping the extrusion mold, and the clamping device is arranged between the toggle device and the translation device. The toggle device pushes the extrusion mold toward the clamping device, so that the extrusion mold is translated onto the clamping device.

[0008] Based on the above scheme, the clamping device includes a clamping seat body, a first clamping arm and a second clamping arm, the first clamping arm is fixedly connected to the clamping seat body, the second clamping arm is rotatably connected to the clamping seat body, and the first clamping arm and the second clamping arm are provided with at least three clamping supports distributed in the circumferential direction of the extrusion mold, and the driven roller is rotatably installed on the clamping support.

[0009] Based on the above scheme, the toggle device includes a retractable toggle rod, which has a columnar push head and a hook-shaped push head. The columnar push head is used to push the extrusion mold on the mold base toward the clamping device, and the hook-shaped push head is arranged under the columnar push head, and is used to push the extrusion mold on the clamping device toward the conveyor belt or the mold base.

[0010] On the basis of the above scheme, the mold storage table is arranged on the side of the clamping device. When the extrusion mold is pushed onto the mold base, the mold transfer equipment clamps the extrusion mold on the mold storage table and sends it to the clamping device. After the extrusion mold with excess material removed is pushed to the clamping device by the columnar pusher head, the extrusion mold is clamped and sent to the mold storage table by the mold transfer equipment.

[0011] Based on the above scheme, the toggle device also includes a toggle seat body, the toggle rod is rotatably arranged on the toggle seat body, and the toggle seat body is provided with a push rod hinged to the toggle rod. The push rod can be extended and retracted relative to the toggle rod to drive the toggle rod to rotate relative to the toggle seat body.

[0012] Based on the above scheme, the mold transfer equipment includes a transfer seat body and a clamping jaw assembly that can translate in the length direction of the transmission belt, and the clamping jaw assembly includes a clamping lifting rod that can be raised and lowered relative to the transfer seat body and a clamping jaw arranged at the end of the clamping lifting rod.

[0013] On the basis of the above scheme, the translation device includes a translation push rod and a translation machine base, the translation push rod is arranged on the translation machine base and connected to the mold base, and the translation push rod is telescopic relative to the translation machine base to drive the mold base body to translate.

[0014] Beneficial effects of the present invention:

[0015] The invention discloses an extruder. During the tube material extrusion molding process, a copper ingot is placed between an extrusion device and an extrusion die. The extrusion device extrudes the copper ingot in the direction of the extrusion die so that the copper ingot is pressed and passes through the extrusion die to form a tube material blank. The tube material blank is moved out from a discharging device. When the stroke of the extrusion device reaches a maximum value, a round of tube material extrusion molding is completed. At this time, some copper ingots are still left on the extrusion die. The extruder can cut off the tube material to separate the tube material from the extrusion die. A translation device can move a die seat after one extrusion is completed to move the extrusion die with the remaining material out from between the extrusion device and the discharging device. A die disassembly device can disassemble the extrusion die with the remaining material from the die seat, and place the disassembled extrusion die on a conveyor belt, which is transferred outwardly by the conveyor belt, so that the extrusion die can be away from the extrusion device. In this way, even if the extrusion die is moved away from the conveyor belt by manual operation, the safety factor can be greatly improved. The conveyor belt can also move in different directions to transfer the extrusion die with the excess material removed to the die seat body. The die transfer device can transfer the extrusion die with the excess material removed from the conveyor belt to the die storage table to wait for die assembly.

[0016] Furthermore, a limiter is provided on the die base, and the limiter stops the extrusion die in the direction of the extrusion device extruding the raw material, and the die disassembly equipment includes a toggle device, and the toggle device pushes the extrusion die to remove the extrusion die from the die base. The limiter can stop the extrusion die to ensure that the extrusion die will not be pushed by the extrusion device and change position during the extrusion molding process. The limiter cannot block the movement of the extrusion die toward the extrusion device, and the toggle device can push the extrusion die to move the extrusion die relative to the die base, thereby removing the extrusion die from the die base.

[0017] Furthermore, the conveyor belt is arranged below the mold base, and the mold disassembly device further comprises a clamping device for clamping the extrusion mold, the clamping device is arranged between the shifting device and the translation device, and the shifting device pushes the extrusion mold toward the clamping device so that the extrusion mold is translated onto the clamping device. Since the conveyor belt is located below the mold base, the shifting device cannot directly push the extrusion mold from the mold base onto the conveyor belt, and by providing the clamping device, the shifting device can transfer the extrusion mold to the clamping device.

[0018] Furthermore, the clamping device includes a clamping seat, a first clamping arm and a second clamping arm, wherein the first clamping arm is fixedly connected to the clamping seat, and the second clamping arm is rotatably connected to the clamping seat, and the first clamping arm and the second clamping arm are provided with at least three clamping supports distributed in the circumferential direction of the extrusion die, and a driven roller is rotatably mounted on the clamping supports. The second clamping arm can be flipped relative to the first clamping arm to adjust the distance between the two to clamp the extrusion die and maintain the stability of the extrusion die. By clamping and supporting the extrusion die by at least three clamping supports, the stability of the extrusion die can be maintained during the movement process, and the extrusion die can be prevented from tipping over and being inconvenient to transport the extrusion die outward from the conveyor belt. The driven roller can be driven to rotate during the translation of the extrusion die, and the friction between the extrusion die and the clamping support can be reduced, thereby improving the smoothness of the movement of the extrusion die.

[0019] Furthermore, the toggle device includes a retractable toggle rod, the toggle rod has a columnar pusher and a hook-shaped pusher, the columnar pusher is used to push the extrusion die on the die base toward the clamping device, and the hook-shaped pusher is arranged below the columnar pusher and is used to push the extrusion die on the clamping device toward the conveyor belt or the die base. The toggle rod can perform telescopic movement to push the extrusion die. When the toggle rod is extended, the columnar pusher can push the extrusion die to leave the die base through the columnar pusher, and when the toggle rod is retracted, the hook-shaped pusher can push the extrusion die to leave the clamping device and move to the conveyor belt, thereby conveying the extrusion die through the conveyor belt.

[0020] Furthermore, the mold storage table is arranged at the side of the clamping device. When the extrusion mold is pushed onto the mold base, the mold transfer device clamps the extrusion mold on the mold storage table onto the clamping device. The extrusion mold with the excess material removed is pushed onto the clamping device by the columnar pusher and then clamped onto the mold storage table by the mold transfer device. When the extrusion mold with the excess material on the mold base is removed, a new extrusion mold needs to be installed on the mold base for the next round of extrusion molding. The hook-shaped pusher can push the extrusion mold toward the conveyor belt. During the mold replacement process, the new extrusion mold is clamped onto the clamping device by the mold transfer device and remains stable without tipping over under the action of the clamping device. The extrusion mold is pushed onto the mold base to complete the assembly under the push of the hook-shaped pusher.

[0021] Furthermore, the toggle device further comprises a toggle seat body, the toggle rod is rotatably arranged on the toggle seat body, the toggle seat body is provided with a push rod hinged to the toggle rod, the push rod can be extended and retracted relative to the toggle rod to drive the toggle rod to rotate relative to the toggle seat body. During the extension and retraction process, the push rod can drive the wave lever to flip relative to the toggle seat body, thereby avoiding the mold seat body that is translated above the conveyor belt, and allowing the hook-shaped push head to avoid the extrusion mold located on the clamping device.

[0022] Furthermore, the mold transfer device includes a transfer seat and a clamping claw assembly that can be translated in the length direction of the transmission belt, and the clamping claw assembly includes a clamping lifting rod that can be lifted and lowered relative to the transfer seat and a clamping claw arranged at the end of the clamping lifting rod. The clamping claw assembly can move along the length direction of the transmission belt to move between the clamping device and the mold storage table to transfer the extrusion mold, and the clamping lifting rod can adjust the height position of the clamping claw, and can lift and transfer the extrusion mold after the clamping claw clamps the extrusion mold.

[0023] Furthermore, the translation device includes a translation push rod and a translation machine base, wherein the translation push rod is arranged on the translation machine base and connected to the mold base body, and the translation push rod is telescopic relative to the translation machine base to drive the mold base body to translate. The translation push rod can perform telescopic movement to move synchronously with the mold base body during the movement process, and the displacement distance of the mold base body can be adjusted by setting the stroke of the translation push rod so that the extrusion mold can be aligned with the extrusion device and the discharge device, and the translation machine base can maintain the position of the translation push rod so that the translation push rod can move in the horizontal direction.

[0024] These features and advantages of the present invention will be disclosed in detail in the following specific embodiments and drawings.

Brief Description of the Drawings

[0025] The present invention will be further described below in conjunction with the accompanying drawings:

[0026] Figure 1 It is a structural schematic diagram of an extruder in an embodiment of the present invention;

[0027] Figure 2 for Figure 1 Cross-sectional view at AA in the middle;

[0028] Figure 3 for Figure 1 Cross-section at the middle BB;

[0029] Figure 4 for Figure 1 Cross-section at CC;

[0030] Figure 5 is a side view of an extruder in an embodiment of the present invention;

[0031] Figure 6 for Figure 5 Cross-section at EE;

[0032] Figure 7 for Figure 4 Enlarged schematic diagram of point D in the middle.

[0033] Reference numerals:

[0034] A machine base 100, a conveyor belt 110, a loading platform 111, and a mold storage platform 120;

[0035] Mold base 200;

[0036] Extrusion die 300;

[0037] Extrusion device 400, hydraulic cylinder 410, extrusion column 420;

[0038] A discharging device 500 and a discharging port 510;

[0039] Translation device 600, translation push rod 610, translation base 620;

[0040] The toggle device 700, the toggle rod 710, the columnar push head 720, the hook-shaped push head 730, the toggle seat 740, and the push rod 750;

[0041] Clamping device 800, clamping seat body 810, first clamping arm 820, second clamping arm 830, clamping support 840, driven roller 850;

[0042] The transport seat body 900, the clamping lifting rod 910, and the clamping claw 920. [Specific implementation method]

[0043] The technical solutions of the embodiments of the present invention are explained and described below in conjunction with the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0044] The words such as "exemplary" and "some embodiments" appearing below mean "used as examples, embodiments or illustrations", and any embodiment described as "exemplary" is not necessarily interpreted as being superior or better than other embodiments. In order to better illustrate the present invention, many specific details are given in the following specific embodiments, and those skilled in the art should understand that the present disclosure can also be implemented without certain specific details.

[0045] Reference Figures 1 to 7, the present invention discloses an extruder with an automatically replaceable mold, which includes a machine base 100. A mold seat body 200 is provided on the machine base 100, and an extrusion mold 300 is provided on the mold seat body 200. On both sides of the mold seat body 200 in the axial direction of the extrusion mold 300 on the machine base 100, there are an extrusion device 400 and a discharging device 500. A translation device 600 connecting the mold seat body 200 is provided on the side of the machine base 100. The translation device 600 is used to translate the mold seat body 200 after the extrusion process ends. The machine base 100 is also provided with a mold replacement device and a conveyor belt 110. The mold replacement device includes a mold disassembly device and a mold transfer device. The mold disassembly device disassembles the extrusion mold 300 from the mold seat body 200 and places it on the conveyor belt 110, and conveys the extrusion mold 300 outward through the conveyor belt 110. The extrusion mold 300 with the remaining material removed is conveyed towards the mold seat body 200 by the conveyor belt 110, and the mold transfer device clamps the extrusion mold 300 and sends it to the mold storage table 120 to wait for assembly.

[0046] The present invention discloses an extruder. During the process of tube blank extrusion forming, an ingot is placed between the extrusion device 400 and the extrusion mold 300. The extrusion device 400 extrudes the ingot towards the extrusion mold 300, causing the ingot to be pressed and pass through the extrusion mold 300 to form a tube blank rough. The tube blank rough is removed from the discharging device 500. When the stroke of the extrusion device 400 reaches the maximum value, one round of tube blank extrusion forming ends. At this time, there is still some ingot remaining on the extrusion mold 300. The extruder can cut off the tube blank to separate the tube blank from the extrusion mold 300. The translation device 600 can move the mold seat body 200 after one extrusion, and move the extrusion mold 300 with the remaining material out from between the extrusion device 400 and the discharging device 500. The mold disassembly device can disassemble the extrusion mold 300 with the remaining material from the mold seat body 200, and place the disassembled extrusion mold 300 on the conveyor belt 110, which is transmitted outward by the conveyor belt 110, so that the extrusion mold 300 can be far away from the extrusion device 400. In this way, even if the extrusion mold 300 is manually moved away from the conveyor belt 110, the safety factor can be greatly improved. The conveyor belt 110 can also move in the reverse direction to convey the extrusion mold 300 with the remaining material removed towards the module seat body. The mold transfer device can transfer the extrusion mold 300 with the remaining material removed from the conveyor belt 110 to the mold storage table 120 to wait for mold assembly.

[0047] The extruder further includes a remaining material stripping device. The conveyor belt conveys the extrusion mold 300 with the remaining material to the remaining material stripping device to remove the remaining material on the extrusion mold 300 through the remaining material stripping device.

[0048] The die base 200 is also provided with a stopper, which stops the extrusion die 300 in the direction of the extrusion device 400 extruding the raw material. The stopper can stop the extrusion die 300 to ensure that the extrusion die 300 will not be pushed by the extrusion device 400 and change position during the extrusion molding process.

[0049] After the translation device 600 moves the die base 200, the extrusion die 300 needs to be replaced, and the replacement position is close to the extrusion device 400 and the discharge device 500. In order to reduce safety hazards, the die disassembly equipment includes a toggle device 700 arranged on the side of the extrusion device 400. The toggle device 700 moves to push the extrusion die 300 to remove the extrusion die 300 from the die base 200. The toggle device 700 is used to remove the extrusion die 300 from the die base 200. In this way, the operator does not need to manually remove the extrusion die 300, so as to free up manpower and reduce safety hazards. The limiter cannot block the movement of the extrusion die 300 toward the extrusion device 400. The toggle device 700 can push the extrusion die 300 to make the extrusion die 300 move relative to the die base 200, thereby removing the extrusion die 300 from the die base 200.

[0050] The conveyor belt 110 is arranged below the mold base 200. The mold disassembly device further includes a clamping device 800 for clamping the extrusion mold 300. The clamping device 800 is arranged between the shifting device 700 and the translation device 600. The shifting device 700 pushes the extrusion mold 300 toward the clamping device 800 so that the extrusion mold 300 is translated onto the clamping device 800. Since the conveyor belt 110 is located below the mold base 200, the shifting device 700 cannot directly push the extrusion mold 300 from the mold base 200 to the conveyor belt 110. By providing the clamping device 800, the shifting device 700 can transfer the extrusion mold 300 to the clamping device 800.

[0051] The toggle device 700 includes a retractable toggle rod 710, which has a columnar pusher 720 and a hook-shaped pusher 730. The columnar pusher 720 is used to push the extrusion mold 300 on the mold base 200 toward the clamping device 800, and the hook-shaped pusher 730 is arranged below the columnar pusher 720 and is used to push the extrusion mold 300 on the clamping device 800 toward the conveyor belt 110. The toggle rod 710 can perform telescopic movement to push the extrusion mold 300. When the toggle rod 710 is extended, the columnar pusher 720 can push the extrusion mold 300 to make the extrusion mold 300 leave the mold base 200. When the toggle rod 710 is retracted, the hook-shaped pusher 730 can push the extrusion mold 300 to make the extrusion mold 300 leave the clamping device 800 and move to the conveyor belt 110, so as to convey the extrusion mold 300 through the conveyor belt 110.

[0052] The toggle device 700 further includes a toggle seat 740, on which the toggle rod 710 is rotatably disposed, and on which the toggle seat 740 is disposed a push rod 750 hinged to the toggle rod 710, and the push rod 750 can be extended and retracted relative to the toggle rod 710 to drive the toggle rod 710 to rotate relative to the toggle seat 740. During the extension and retraction process, the push rod 750 can drive the wave lever to flip relative to the toggle seat 740, thereby avoiding the mold seat 200 that is translated to above the conveyor belt 110, and allowing the hook-shaped push head 730 to avoid the extrusion mold 300 located on the clamping device 800.

[0053] In order to prevent the extrusion die 300 from tipping over and enable the residual material stripping device to smoothly fix the extrusion die 300 to remove the residual material, it is necessary to ensure that the extrusion die 300 moves in a translational motion from the die base 200 to the clamping device 800 and from the clamping device 800 to the conveyor belt 110. The clamping device 800 includes a clamping base 810, a first clamping arm 820 and a second clamping arm 830. The first clamping arm 820 is fixedly connected to the clamping base 810, and the second clamping arm 830 is rotatably connected to the clamping base 810. The first clamping arm 820 and the second clamping arm 830 are provided with at least three clamping supports 840 distributed in the circumferential direction of the extrusion die 300, and the clamping supports 840 are rotatably mounted with driven rollers 850. The second clamping arm 830 can be flipped relative to the first clamping arm 820 to adjust the distance between the two to clamp the extrusion mold 300 and maintain the stability of the extrusion mold 300. The extrusion mold 300 is clamped and supported by at least three clamping supports 840, which can maintain the stability of the extrusion mold 300 during movement and prevent the extrusion mold 300 from tipping over, making it inconvenient to transport the extrusion mold 300 outward from the conveyor belt 110. The driven roller 850 can be driven to rotate during the translation of the extrusion mold 300, which can reduce the friction between the extrusion mold 300 and the clamping support 840 and improve the smoothness of the movement of the extrusion mold 300.

[0054] A loading platform 111 for carrying the extrusion die 300 is also provided on the conveyor belt 110 .

[0055] The translation device 600 includes a translation push rod 610 and a translation base 620. The translation push rod 610 is arranged on the translation base 620 and connected to the mold base body 200. The translation push rod 610 expands and contracts relative to the translation base 620 to drive the mold base body 200 to move translationally. The translation push rod 610 can perform telescopic motion to drive the mold base body 200 to move synchronously during the movement. By setting the stroke of the translation push rod 610, the displacement distance of the mold base body 200 can be adjusted so that the extrusion mold 300 can be aligned with the extrusion device 400 and the discharging device 500. The translation base 620 can maintain the position of the translation push rod 610 so that the translation push rod 610 can move in the horizontal direction. A device for providing power to the translation push rod 610 is also provided on the side of the base 100 to drive the translation push rod 610 to perform telescopic motion. The telescopic motion of the translation push rod 610 means that the translation push rod 610 itself can expand and contract to change its own length; or the translation push rod 610 can move relative to the translation base 620.

[0056] The mold storage table 120 is arranged on the side of the clamping device 800. When pushing the extrusion mold 300 onto the mold base body 200, the mold transfer device clamps the extrusion mold 300 on the mold storage table 120 and sends it to the clamping device 800. After the extrusion mold 300 with the remaining material removed is pushed onto the clamping device 800 by the columnar push head 720, the mold transfer device then clamps the extrusion mold 300 and sends it to the mold storage table 120. When the extrusion mold 300 with remaining material on the mold base body 200 is disassembled, a new extrusion mold 300 needs to be installed on the mold base body 200 for the next round of extrusion molding. The hook-shaped push head 730 can push the extrusion mold 300 towards the conveyor belt 110. During the mold replacement process, the new extrusion mold 300 is clamped by the mold transfer device and sent to the clamping device 800, and is kept stable and will not fall under the action of the clamping device 800. Under the push of the hook-shaped push head 730, the extrusion mold 300 is pushed onto the mold base body 200 to complete the assembly.

[0057] The mold transfer device includes a transfer base body 900 and a jaw assembly that can translate in the length direction of the conveyor belt. The jaw assembly includes a clamping lifting rod 910 that can move up and down relative to the transfer base body 900 and jaws 920 arranged at the end of the clamping lifting rod 910. The jaw assembly can move along the length direction of the conveyor belt to move between the clamping device 800 and the mold storage table to transfer the extrusion mold 300. The clamping lifting rod 910 can adjust the height position of the jaws 920 and can lift and transfer the extrusion mold 300 after the jaws 920 clamp the extrusion mold 300.

[0058] The extrusion device 400 includes a hydraulic cylinder 410 and an extrusion column 420 driven by the hydraulic cylinder 410. The hydraulic cylinder 410 can generate a great force to drive the extrusion column 420 to move for extruding the copper ingot to produce a tube blank. The discharging device 500 includes a discharging port 510 and a sawing device arranged beside the discharging port 510. The sawing device cuts the tube material after the tube material is formed to a certain length, or cuts the tube material when the copper ingot cannot be extruded continuously and the extrusion device 400 needs to be reset.

[0059] As described above, it is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Those skilled in the art should understand that the present invention includes but is not limited to the content described in the drawings and the above specific implementation manner. Any modification that does not deviate from the functional and structural principles of the present invention will be included in the scope of the claims.

Claims

1. An extruder with an automatically replaceable mold, characterized in that, The machine base comprises a machine base, a mold base body is provided on the machine base, an extrusion mold is provided on the mold base body, an extrusion device and a discharge device are provided on both sides of the mold base body in the axial direction of the extrusion mold on the machine base, a translation device connected to the mold base body is provided on the side of the machine base, and the translation device is used to translate the mold base body after the extrusion process is completed. The machine base is also provided with a mold replacement device and a conveyor belt, and the mold replacement device includes a mold disassembly device and a mold transfer device. The mold disassembly device disassembles the extrusion mold from the mold base body and places it on the conveyor belt and transfers the extrusion mold outward through the conveyor belt. The extrusion mold with the excess material removed is transferred by the conveyor belt toward the mold base body, and the extrusion mold is clamped and sent to the mold storage table by the mold transfer device to wait for assembly; The die base is also provided with a stopper, which stops the extrusion die in the direction in which the extrusion device extrudes the raw material. The die disassembly device includes a toggle device, which moves the extrusion die to disassemble the extrusion die from the die base; The conveyor belt is arranged below the mold base, and the mold disassembly equipment further comprises a clamping device for clamping the extrusion mold, wherein the clamping device is arranged between the shifting device and the translation device, and the shifting device pushes the extrusion mold toward the clamping device, so that the extrusion mold is translated onto the clamping device; The toggle device comprises a retractable toggle rod, the toggle rod has a columnar pusher and a hook-shaped pusher, the columnar pusher is used to push the extrusion die on the die base toward the clamping device, and the hook-shaped pusher is arranged below the columnar pusher and is used to push the extrusion die on the clamping device toward the conveyor belt or the die base; The toggle device also includes a toggle seat body, the toggle rod is rotatably arranged on the toggle seat body, and the toggle seat body is provided with a push rod hinged to the toggle rod. The push rod can be telescopic relative to the toggle rod to drive the toggle rod to rotate relative to the toggle seat body.

2. The extruder with automatically replaceable molds according to claim 1, characterized in that, The clamping device includes a clamping seat body, a first clamping arm and a second clamping arm. The first clamping arm is fixedly connected to the clamping seat body, and the second clamping arm is rotatably connected to the clamping seat body. The first clamping arm and the second clamping arm are provided with at least three clamping supports distributed in the circumferential direction of the extrusion mold.

3. The extruder with automatically replaceable molds according to claim 1, characterized in that, The mold storage table is arranged on the side of the clamping device. When the extrusion mold is pushed onto the mold base, the mold transfer equipment clamps the extrusion mold on the mold storage table and sends it to the clamping device. After the extrusion mold with excess material removed is pushed to the clamping device by the columnar pusher head, the extrusion mold is clamped and sent to the mold storage table by the mold transfer equipment.

4. The extruder with automatically replaceable molds according to claim 1, characterized in that, The mold transfer equipment includes a transfer seat body and a clamping jaw assembly that can translate in the length direction of the transmission belt, and the clamping jaw assembly includes a clamping lifting rod that can be raised and lowered relative to the transfer seat body and a clamping jaw arranged at the end of the clamping lifting rod.

5. The extruder with an automatically replaceable mold according to claim 1, wherein The translation device includes a translation push rod and a translation base. The translation push rod is arranged on the translation base and connected to the mold base body, and the translation push rod extends and retracts relative to the translation base to drive the mold base body to perform a translation movement.

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