CN115475847A

CN115475847A - Alloy assembly part extrusion die

Info

Publication number: CN115475847A
Application number: CN202211161107.5A
Authority: CN
Inventors: 刘晓曼
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2022-12-16

Abstract

The invention relates to the technical field of extrusion dies, and discloses an alloy assembly part extrusion die which comprises a female die and a male die, wherein the male die is arranged right above the female die, the bottom wall of the female die is fixedly connected with an extrusion die, a die hole is formed in the extrusion die, an extrusion groove is formed in the female die, a discharge channel is communicated and arranged below the extrusion groove, the discharge channel is communicated with the die hole, the male die is matched with the extrusion groove, the top end of the male die is fixedly connected with a supporting plate, a first sliding groove is formed in the male die, a first sliding block is arranged in the first sliding groove in a sliding manner, and a top column is fixedly arranged at the bottom end of the first sliding block; according to the invention, through the arrangement of the ejection column and the driving mechanism, the molten metal remained in the discharge channel can be extruded after each extrusion forming is finished, so that the problem that the fluidity is poor due to the reduction of the temperature after the molten metal in the discharge channel is cooled in the intermittent process of the two extrusion forming processes, and the subsequent discharge through a die hole is difficult is solved.

Description

Alloy assembly part extrusion die

Technical Field

The invention relates to the technical field of extrusion dies, in particular to an alloy assembly part extrusion die.

Background

The alloy assembly part refers to an assembly part made of alloy materials, and is usually processed and produced by adopting an extrusion die, wherein extrusion is a plastic forming method for applying external force to a metal ingot blank placed in an extrusion cylinder from one end to force the metal ingot blank to flow out from a specific die hole to obtain a product with a required section shape and size.

Chinese patent CN203044561U discloses an industrial die, in particular to a magnesium alloy semi-solid extrusion die used in the extrusion of magnesium alloy straight and long products. The male die is arranged at the lower part of the fixing plate through the core and is movably connected with the flow blocking block, the female die is arranged at the upper end of the forming die, and the magnesium alloy slurry is arranged in the middle of the female die and the forming die and is movably connected with the core shaft. Because the utility model discloses a novel half solid-state extrusion mould has been designed, compare with liquid die forging, keep the characteristics of half solid-state metal crystallization under pressure, solidification and forced feeding, but can the shaping go out the straight long class goods that liquid die forging technology can not reach, reduced process flow, shortened processing cycle, energy-conserving material saving, very big reduction in production cost. The product quality is improved.

However, the extrusion die has the following problems in use: the extrusion die extrudes magnesium alloy slurry in a cavity of a female die through a male die, so that the magnesium alloy slurry in the cavity is extruded through a channel in a forming die, and because the male die cannot enter the channel in the forming die, a certain amount of magnesium alloy slurry still remains in the forming die after the extrusion forming is completed every time, the fluidity of the magnesium alloy slurry is poor after the magnesium alloy slurry is cooled, and if the interval time between two times of extrusion forming is long, the magnesium alloy slurry is difficult to extrude from the channel in the forming die during the next extrusion forming.

Therefore, it is necessary to provide an alloy assembly extrusion die to solve the above technical problems.

Disclosure of Invention

The invention aims to provide an alloy assembly part extrusion die, which adopts a telescopic support pillar to extrude molten metal remained in a discharge channel and has the effect of preventing the molten metal in the discharge channel from being cooled and then the fluidity of the molten metal is reduced.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides an alloy assembly part extrusion die, includes die and terrace die, the terrace die sets up directly over the die, the diapire fixedly connected with extrusion die of die, the nib has been seted up on the extrusion die, the extrusion groove has been seted up on the die, the below intercommunication in extrusion groove is provided with discharging channel, discharging channel with the nib is linked together, the terrace die with extrusion groove looks adaptation, the top fixedly connected with supporting disk of terrace die, first spout has been seted up to the inside of terrace die, slidable mounting has first slider in the first spout, the bottom fixed mounting of first slider has the fore-set, and when the roof of first slider was laminated with the top inner wall of first spout, the diapire of fore-set was leveled mutually with the diapire of terrace die, and the bottom of terrace die sets up to the round platform shape, and the guiding groove of round platform shape has been seted up to the bottom in extrusion groove for molten metal liquid changes to flow and gets into in discharging channel, the fore-set with discharging channel looks adaptation, be provided with the actuating mechanism that is used for driving the fore-set reciprocates in the terrace die, the bottom of extrusion die is provided with the shutoff mechanism that is used for shutoff nib.

The invention is further configured as follows: the driving mechanism comprises a push column, the push column penetrates through the supporting disc, the bottom end of the push column is fixedly connected with the top wall of the first sliding block, a push seat is fixedly mounted at the top end of the push column and is in transmission connection with the output end of the hydraulic cylinder during installation, a first spring is arranged in the first sliding groove, the top end of the first spring is fixedly connected with the bottom wall of the first sliding block, and the bottom end of the first spring is fixedly connected with the inner wall of the bottom of the first sliding groove.

The invention is further configured as follows: the push column is sleeved with a limiting ring, the top end of the supporting disc is provided with a clamping plate in a sliding mode, the top wall of the clamping plate is in contact with the bottom wall of the limiting ring, and the female die is provided with a transmission element used for driving the clamping plate to slide.

The invention is further provided with: the transmission element is a mandril, a guide hole is formed in the clamping plate, the inner side wall, far away from the push column, of the guide hole is inclined, a through hole for the mandril to penetrate through is formed in the supporting plate, and the through hole is communicated with the guide hole.

The invention is further provided with: the top wall of the supporting plate is provided with a second sliding groove, a second sliding block is arranged in the second sliding groove in a sliding mode, the top wall of the second sliding block is fixedly connected with the bottom wall of the clamping plate, and the second sliding block is elastically connected with the inner side wall, far away from the push column, of the second sliding groove through a second spring.

The invention is further configured as follows: the plugging mechanism comprises a mounting box, a baffle is slidably mounted in the mounting box, one side of the baffle extends out of the mounting box, the top wall of the baffle is attached to the bottom wall of the extrusion die, a through hole is formed in the baffle, and a transmission mechanism used for driving the baffle to move is arranged in the mounting box.

The invention is further configured as follows: the die is characterized in that an upper connecting plate is sleeved on the supporting plate, a lower connecting plate is sleeved on the female die, guide pillars are fixedly mounted at four corners of the bottom wall of the upper connecting plate, the guide pillars penetrate through the lower connecting plate and are in sliding fit with the lower connecting plate, and a limiting block is fixedly mounted at the bottom ends of the guide pillars.

The invention is further configured as follows: the transmission mechanism comprises a traction rope and a third spring, the third spring is arranged in the mounting box, one end of the third spring is fixedly connected with the side wall of the baffle, the other end of the third spring is fixedly connected with the inner side wall of the mounting box, one end of the traction rope is fixedly connected with the limiting block, and the other end of the traction rope extends into the mounting box and is fixedly connected with the side wall of the baffle.

The invention is further provided with: and a guide ring is fixedly connected to the side wall of the male die, and the traction rope penetrates through the guide ring.

In conclusion, the invention has the following beneficial effects: when the extrusion die is used, molten metal is injected into the extrusion groove, then the supporting disc is driven to move downwards, so that the male die is driven to move downwards, the male die is inserted into the extrusion groove, the molten metal in the extrusion groove is gradually extruded into the die hole through the discharging channel, the molten metal is output and formed after being formed through the die hole, when the male die is completely inserted into the extrusion groove, the ejector column is driven to move downwards relative to the male die through the driving mechanism, the blocking of the die hole by the blocking mechanism is removed, the ejector column is gradually inserted into the discharging channel, so that the molten metal remained in the discharging channel is extruded, and through the arrangement of the structure, the molten metal remained in the discharging channel can be extruded after each extrusion forming is completed, so that the problem that the fluidity is poor due to the fact that the temperature of the molten metal in the discharging channel is reduced after the molten metal is cooled in the intermittent process of two extrusion forming is avoided, and the subsequent discharging through the die hole is difficult to discharge.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the point A in FIG. 2 according to the present invention;

FIG. 4 is a schematic sectional view of the male mold of the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 4;

FIG. 6 is a schematic sectional view of the mold clamping of the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 6 at C;

FIG. 8 is an enlarged view of FIG. 6 at D according to the present invention;

fig. 9 is a schematic top view of the baffle of the present invention.

In the figure: 1. a female die; 101. extruding a groove; 102. a discharge channel; 2. a male die; 3. a support disc; 301. a through hole; 4. pushing the column; 5. a pushing seat; 6. a first slider; 7. a top pillar; 8. a first spring; 9. clamping a plate; 901. a guide hole; 10. a second slider; 11. a second spring; 12. a top rod; 13. an upper connecting plate; 14. a guide post; 15. a lower connecting plate; 16. a limiting block; 17. mounting a box; 18. a baffle plate; 1801. a through hole; 19. a third spring; 20. a hauling rope; 21. a guide ring; 22. extruding the die; 2201. die holes; 23. a limit ring.

Detailed Description

The invention will be further described with reference to the drawings in the following examples.

Example 1:

referring to fig. 1, 2 and 4, in an embodiment of the present invention, an alloy assembly extrusion die includes a female die 1 and a male die 2, the male die 2 is disposed directly above the female die 1, an extrusion die 22 is fixedly connected to a bottom wall of the female die 1, a die hole 2201 is formed in the extrusion die 22, a shape of the die hole 2201 may be designed according to a desired alloy assembly, such as a cross shape, an i shape, an L shape, and the like, an extrusion groove 101 is formed in the female die 1, a discharge channel 102 is communicatively connected to a lower portion of the extrusion groove 101, the discharge channel 102 is communicated with the die hole 2201, the male die 2 is adapted to the extrusion groove 101, so that the male die 2 can be inserted into the extrusion groove 101, after molten metal is injected into the extrusion groove 101, the molten metal is extruded by inserting the male die 2 into the extrusion groove 101, so that the molten metal flows into the die hole 2201 through the discharge channel 102, and is output after being molded by the die hole 2201, a cooling device can be disposed beside the extrusion die 22 to cool the extruded metal, so that a cooling mechanism is a cooling mechanism, a slider 7 is disposed in a top wall of a sliding block 7, and a top wall of a sliding block 6, and a top wall of a sliding block is more easily mounted in a top wall of a sliding chute 6, so that a top wall of a sliding block is disposed, when a sliding block 7 is mounted in a sliding block, a sliding chute 6, a first flat sliding chute 6, and a sliding chute 6, the sliding block 7 is mounted in a sliding groove 6, and a sliding block, the sliding block 7, and a sliding block 7, the sliding block is mounted in a sliding block 7, the sliding block, and a sliding block 7, a driving mechanism for driving the top pillar 7 to move up and down is arranged in the convex die 2, and a blocking mechanism for blocking a die hole 2201 is arranged at the bottom end of the extrusion die 22, so that the top pillar 7 can be inserted into the discharge channel 102, and molten metal in the discharge channel 102 is extruded; when the extrusion die is used, molten metal is injected into the extrusion groove 101, then the supporting disc 3 is driven to move downwards, so that the male die 2 is driven to move downwards, the male die 2 is inserted into the extrusion groove 101, the molten metal in the extrusion groove 101 is gradually extruded into the die hole 2201 through the discharge channel 102 along with the fact that the male die 2 enters the extrusion groove 101, the molten metal is output and formed after being formed through the die hole 2201, when the male die 2 is completely inserted into the extrusion groove 101, the ejection column 7 is driven to move downwards relative to the male die 2 through the driving mechanism, blocking of the die hole 2201 by the blocking mechanism is released, the ejection column 7 is gradually inserted into the discharge channel 102, so that the molten metal remained in the discharge channel 102 is extruded, through the arrangement of the structure, the molten metal remained in the discharge channel 102 can be extruded after each extrusion forming, so that the intermittent process of two extrusion forming is prevented, the temperature reduction after the molten metal in the discharge channel 102 is cooled causes the deterioration of fluidity, and subsequent discharging through the die hole 2201 is difficult.

In this embodiment, preferably, the driving mechanism includes a push post 4, the push post 4 penetrates through the supporting plate 3, the bottom end of the push post 4 is fixedly connected with the top wall of the first slider 6, a push base 5 is fixedly mounted at the top end of the push post 4, the push base 5 is in transmission connection with the output end of the hydraulic cylinder during mounting, a first spring 8 is arranged in the first chute, the top end of the first spring 8 is fixedly connected with the bottom wall of the first slider 6, and the bottom end of the first spring 8 is fixedly connected with the inner wall of the bottom of the first chute; when needing drive fore-set 7 downstream, push away post 4 downstream through pushing away the drive of seat 5, drive first slider 6 downstream when pushing away post 4 downstream, drive fore-set 7 downstream when first slider 6 downstream to make fore-set 7 insert in discharging channel 102, after the extrusion is accomplished, only can remain a small amount of molten metal in the nib 2201, the resistance when extruding is less, still can be in the below fixed mounting of fore-set 7 and the lug of nib 2201 looks adaptation, thereby extrude the molten metal in the nib 2201 through the lug.

Example 2:

referring to fig. 4 to 7, in embodiment 1, because the movement of the female die 1 and the pushing seat 5 is asynchronous, two hydraulic driving structures are required to be arranged to respectively drive the movement of the female die 1 and the pushing seat 5, which increases the production cost of the extruder, in the embodiment of the present invention, a limiting ring 23 is sleeved on the pushing column 4, a clamping plate 9 is slidably mounted at the top end of the supporting disk 3, the top wall of the clamping plate 9 contacts with the bottom wall of the limiting ring 23, a transmission element for driving the clamping plate 9 to slide is arranged on the female die 1, and when the bottom wall of the supporting disk 3 is attached to the top wall of the female die 1, the transmission element drives the clamping plate 9 to slide so as to separate the clamping plate 9 from the limiting ring 23; because the top wall of the clamping plate 9 is in contact with the bottom wall of the limiting ring 23, the push column 4 cannot move downwards relative to the supporting plate 3, when the push seat 5 is driven to move downwards, the push seat 5 drives the female die 1 to move downwards, when the bottom wall of the supporting plate 3 is attached to the top wall of the female die 1, the clamping plate 9 is driven by the transmission element to slide so that the clamping plate 9 is separated from the limiting ring 23, the push column 4 can move downwards relative to the male die 2, and at the moment, along with the continuous downward movement of the push seat 5, the push column 7 is gradually inserted into the discharging channel 102.

In this embodiment, preferably, the transmission element is a plunger 12, the catch plate 9 is provided with a guide hole 901, the inner side wall of the guide hole 901, which is away from the push post 4, is provided with an inclined shape, the support plate 3 is provided with a through hole 301 through which the plunger 12 passes, the through hole 301 is communicated with the guide hole 901, when the plunger 12 is inserted into the guide hole 901, the plunger 12 contacts with the inclined inner side wall of the guide hole 901, and as the plunger 12 is gradually inserted into the guide hole 901, the plunger 12 pushes the catch plate 9 to move in a direction away from the push post 4, so as to release the locking of the catch plate 9 on the limit ring 23.

In this embodiment, preferably, a second sliding groove is formed in the top wall of the supporting plate 3, a second sliding block 10 is slidably mounted in the second sliding groove, the top wall of the second sliding block 10 is fixedly connected with the bottom wall of the clamping plate 9, and the second sliding block 10 is elastically connected with the inner side wall, far away from the push post 4, of the second sliding groove through a second spring 11; when the top rod 12 is not inserted into the guide hole 901 due to the elastic force of the second spring 11, the catch plate 9 is moved into contact with the bottom wall of the stopper ring 23 by the elastic force of the second spring 11.

When the embodiment is adopted, only one hydraulic cylinder is needed to be adopted, the output end of the hydraulic cylinder is fixedly connected with the push seat 5, when the push seat 5 is driven to move downwards, the top wall of the clamping plate 9 is in contact with the bottom wall of the limiting ring 23, so that the push column 4 cannot move downwards relative to the supporting plate 3, the push seat 5 drives the female die 1 to move downwards, when the bottom wall of the supporting plate 3 is about to be attached to the top wall of the female die 1, the ejector rod 12 is inserted into the guide hole 901, the ejector rod 12 is in contact with the inclined inner side wall of the guide hole 901, along with the gradual insertion of the ejector rod 12 into the guide hole 901, the ejector rod 12 pushes the clamping plate 9 to move towards the direction away from the push column 4, and when the bottom wall of the supporting plate 3 is attached to the top wall of the female die 1, the clamping plate 9 is just separated from the limiting ring 23, so that the locking of the clamping plate 9 to the limiting ring 23 is released, the push column 4 can move downwards relative to the male die 2, and along with the continued downward movement of the push seat 5, the push column 7 is gradually inserted into the discharge channel 102, so that the molten metal in the discharge channel 102 is extruded through the die hole 2201; when the pushing seat 5 is driven to move upwards, due to the elastic force of the first spring 8, the pushing column 4 firstly moves upwards relative to the male die 2, the pushing column 4 drives the limiting ring 23 to move upwards when moving upwards, the limiting ring 23 moves to the position above the clamping plate 9, the clamping plate 9 clamps the limiting ring 23 again, at the moment, the top wall of the first sliding block 6 is attached to the inner wall of the top of the first sliding groove, and the pushing seat 5 drives the male die 2 to move upwards along with the continuous upward movement of the pushing seat 5, so that the male die 2 moves out of the extrusion groove 101; therefore, the movement of the top column 7 and the male die 2 is driven only by the sliding seat, and the production cost of the extruding machine is saved.

Referring to fig. 2, 3, and 6 to 9, in an embodiment of the present invention, the plugging mechanism includes a mounting box 17, a baffle 18 is slidably mounted in the mounting box 17, one side of the baffle 18 extends out of the mounting box 17, a top wall of the baffle 18 is attached to a bottom wall of the extrusion die 22, a through hole 1801 is formed in the baffle 18, a transmission mechanism for driving the baffle 18 to move is disposed in the mounting box 17, when the extrusion die is extruded, the through hole 1801 is communicated with the die hole 2201, when molten metal is injected into the extrusion groove 101, the through hole 1801 is separated from the die hole 2201, so as to separate the die hole 2201 and prevent the molten metal from flowing out when the molten metal is injected.

In this embodiment, preferably, an upper connecting plate 13 is sleeved on the supporting plate 3, a lower connecting plate 15 is sleeved on the female die 1, guide pillars 14 are fixedly installed at four corners of the bottom wall of the upper connecting plate 13, the guide pillars 14 penetrate through the lower connecting plate 15, the guide pillars 14 are in sliding fit with the lower connecting plate 15, and a limiting block 16 is fixedly installed at the bottom end of each guide pillar 14; by the arrangement of the guide post 14, the up-and-down movement of the punch 2 can be guided, and the punch 2 is prevented from shifting when moving.

In this embodiment, preferably, the transmission mechanism includes a pulling rope 20 and a third spring 19, the third spring 19 is disposed in the mounting box 17, one end of the third spring 19 is fixedly connected to the side wall of the baffle 18, the other end of the third spring 19 is fixedly connected to the inner side wall of the mounting box 17, one end of the pulling rope 20 is fixedly connected to the limiting block 16, and the other end of the pulling rope 20 extends into the mounting box 17 and is fixedly connected to the side wall of the baffle 18; the traction rope 20 is an elastic rope, so that the traction rope has traction force, cannot be loosened and droop, and is made of a material with better high-temperature resistance; a guide ring 21 is fixedly connected to the side wall of the male die 2, and the pulling rope 20 passes through the guide ring 21, so that the movement of the pulling rope 20 is guided.

When the embodiment is adopted, when the male die 2 is separated from the female die 1, the pulling rope 20 is in a tightened state, at the moment, the right side of the baffle plate 18 is enabled to seal the die hole 2201 by the pulling force provided by the pulling rope 20, after molten metal is injected into the extrusion groove 101, the guide post 14 moves downwards along with the male die 2 along with the downward movement of the male die 2, so as to drive the limiting block 16 to move downwards, when the limiting block 16 moves downwards, the pulling rope 20 gradually loosens, along with the loosening of the pulling rope 20, the pulling force of the pulling rope 20 on the baffle plate 18 gradually decreases, so that the baffle plate 18 moves towards the direction far away from the mounting box 17 under the elastic force of the third spring 19, so that the through hole 1801 moves to be right below the die hole 2201, the baffle plate 18 is enabled to release the sealing of the die hole 2201, and then a profile extruded through the die hole 2201 can be output through the through hole 1801; therefore, the die hole 2201 can be automatically plugged and opened, an electric element is not required to be additionally used for driving, the production cost is saved, and the synchronism is good.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.

Claims

1. The utility model provides an alloy assembly spare extrusion die, includes die (1) and terrace die (2), terrace die (2) set up directly over die (1), the diapire fixedly connected with extrusion die (22) of die (1), nib (2201) have been seted up on extrusion die (22), extrusion groove (101) have been seted up on die (1), the below intercommunication in extrusion groove (101) is provided with discharging channel (102), discharging channel (102) with nib (2201) are linked together, terrace die (2) with extrusion groove (101) looks adaptation, its characterized in that: the top fixedly connected with supporting disk (3) of terrace die (2), first spout has been seted up to the inside of terrace die (2), slidable mounting has first slider (6) in the first spout, the bottom fixed mounting of first slider (6) has fore-set (7), and when the roof of first slider (6) and the top inner wall of first spout laminated mutually, the diapire of fore-set (7) was leveled mutually with the diapire of terrace die (2), fore-set (7) with discharging channel (102) looks adaptation, be provided with the actuating mechanism who is used for driving fore-set (7) and reciprocates in terrace die (2), the bottom of extrusion die (22) is provided with the shutoff mechanism who is used for shutoff nib (2201).

2. An alloy assembly extrusion die as set forth in claim 1, wherein: the driving mechanism comprises a push column (4), the push column (4) penetrates through the supporting disc (3), the bottom end of the push column (4) is fixedly connected with the top wall of the first sliding block (6), a push seat (5) is fixedly mounted at the top end of the push column (4), a first spring (8) is arranged in the first sliding groove, the top end of the first spring (8) is fixedly connected with the bottom wall of the first sliding block (6), and the bottom end of the first spring (8) is fixedly connected with the inner wall of the bottom of the first sliding groove.

3. An alloy fitting extrusion die as set forth in claim 2, wherein: the push column (4) is sleeved with a limiting ring (23), a clamping plate (9) is installed at the top end of the supporting plate (3) in a sliding mode, the top wall of the clamping plate (9) is in contact with the bottom wall of the limiting ring (23), and a transmission element used for driving the clamping plate (9) to slide is arranged on the female die (1).

4. An alloy assembly extrusion die as set forth in claim 3, wherein: the transmission element is a push rod (12), a guide hole (901) is formed in the clamping plate (9), the inner side wall, far away from the push column (4), of the guide hole (901) is inclined, a through hole (301) for the push rod (12) to penetrate through is formed in the supporting plate (3), and the through hole (301) is communicated with the guide hole (901).

5. An alloy fitting extrusion die as set forth in claim 4, wherein: the top wall of the supporting plate (3) is provided with a second sliding groove, a second sliding block (10) is arranged in the second sliding groove in a sliding mode, the top wall of the second sliding block (10) is fixedly connected with the bottom wall of the clamping plate (9), and the second sliding block (10) is elastically connected with the inner side wall, far away from the push column (4), of the second sliding groove through a second spring (11).

6. An alloy assembly extrusion die as set forth in claim 1, wherein: the plugging mechanism comprises a mounting box (17), a baffle (18) is arranged in the mounting box (17) in a sliding mode, the mounting box (17) is stretched out of one side of the baffle (18), the top wall of the baffle (18) is attached to the bottom wall of the extrusion die (22), a through hole (1801) is formed in the baffle (18), and a transmission mechanism used for driving the baffle (18) to move is arranged in the mounting box (17).

7. An alloy assembly extrusion die as set forth in claim 6, wherein: the die is characterized in that an upper connecting plate (13) is sleeved on the supporting plate (3), a lower connecting plate (15) is sleeved on the female die (1), guide pillars (14) are fixedly mounted at four corners of the bottom wall of the upper connecting plate (13), the guide pillars (14) penetrate through the lower connecting plate (15), the guide pillars (14) are in sliding fit with the lower connecting plate (15), and limiting blocks (16) are fixedly mounted at the bottom ends of the guide pillars (14).

8. An alloy fitting extrusion die as set forth in claim 7, wherein: drive mechanism includes haulage rope (20) and third spring (19), third spring (19) set up in mounting box (17), the one end of third spring (19) with the lateral wall fixed connection of baffle (18), the other end of third spring (19) with the inside wall fixed connection of mounting box (17), the one end of haulage rope (20) with stopper (16) fixed connection, the other end of haulage rope (20) stretches into in mounting box (17), and with the lateral wall fixed connection of baffle (18).

9. An alloy fitting extrusion die as set forth in claim 8, wherein: the side wall of the male die (2) is fixedly connected with a guide ring (21), and the traction rope (20) penetrates through the guide ring (21).