CN211191447U

CN211191447U - Extrusion die is used in aluminium alloy production

Info

Publication number: CN211191447U
Application number: CN201922005945.3U
Authority: CN
Inventors: 张倩; 张改燕
Original assignee: Tianjin Dacheng Weiye Technology Co ltd
Current assignee: Tianjin Dacheng Weiye Technology Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-08-07
Anticipated expiration: 2029-11-20

Abstract

The utility model provides an extrusion die is used in aluminium alloy production relates to aluminium alloy production field. This extrusion die for aluminium alloy production includes casing and extrusion piece, the inside mould shell that is equipped with of casing, the inside pressure relief mechanism that is equipped with of extrusion piece, pressure relief mechanism includes the sleeve, sleeve bottom cover is equipped with the slide bar, slide bar bottom fixedly connected with push pedal, the outside cover of sleeve is equipped with return spring, the push pedal bottom is equipped with the asbestos piece, the push pedal outside is equipped with the sealing ring, be formed with sealed chamber between asbestos piece and the extrusion piece, the inside pressure release pipe that is equipped with that inlays of extrusion piece, the inside check valve that is equipped with of pressure release pipe, check valve and pressure release pipe inner wall fixed connection. This extrusion die is used in aluminium alloy production is through installation push pedal and asbestos piece, and when the bottom of push pedal bottom and the bottom wall of pressure release pipe formed the clearance, hot-air and steam overflowed from the pressure release inside pipe, avoided the drainage to press not smooth, improved aluminum product extrusion effect.

Description

Extrusion die is used in aluminium alloy production

Technical Field

The utility model relates to an aluminium alloy production technical field specifically is an extrusion die is used in aluminium alloy production.

Background

The aluminum alloy extrusion die has the advantages of good corrosion resistance, electrical conductivity, thermal conductivity, non-ferromagnetism, formability and recoverability, and due to the characteristics of aluminum, a large number of aluminum products appear in the market at present, so that the number of aluminum product processing plants is increased, and the die is common equipment in the aluminum product processing plants, especially the extrusion die of environment-friendly aluminum profiles.

However, when the aluminum material is actually used, heat is generated due to extrusion, and the extrusion is incomplete due to the expansion of hot air in the die, so that the aluminum material has poor forming effect.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an extrusion die is used in aluminium alloy production to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an extrusion die for aluminum profile production comprises a shell and an extrusion block, wherein a die shell is arranged in the shell, and a pressure relief mechanism is arranged in the extrusion block;

pressure release mechanism includes the sleeve, sleeve and extrusion piece inner wall top fixed connection, sleeve bottom cover is equipped with the slide bar, sliding connection between slide bar and the sleeve, slide bar bottom fixedly connected with push pedal, the outside cover of sleeve is equipped with return spring, the push pedal bottom is equipped with the asbestos piece, bond between asbestos piece and the push pedal, the push pedal outside is equipped with the sealing ring, laminating mutually in sealing ring and the extrusion piece, be formed with the sealed chamber between asbestos piece and the extrusion piece, the inside pressure release pipe that is equipped with of inlaying of extrusion piece, the quantity of pressure release pipe sets up to a plurality ofly, and is a plurality of the pressure release pipe distributes for the extrusion piece annular, the inside check valve that is equipped with of pressure release pipe, check valve and pressure release pipe inner wall fixed connection.

Preferably, the bottom of the die shell and the bottom of the extrusion block are both provided with screw holes, the bottom of the die shell is provided with bolts, the bolts are in threaded connection with the threaded holes, and the die shell and the extrusion block are detachably connected through the bolts.

Preferably, the inner wall of the die shell is fixedly connected with a limiting groove, the two sides of the extrusion block are fixedly connected with clamping blocks, and the limiting groove is connected with the clamping blocks in a sliding mode.

Preferably, the top of the return spring is fixedly connected with the extrusion block, and the bottom of the return spring is fixedly connected with the push plate.

Preferably, a stop block is arranged in the sealing cavity and fixedly connected with the extrusion block.

Preferably, a passage is arranged between one end of the pressure relief pipe and the sealing cavity, and the other end of the pressure relief pipe penetrates through the top of the extrusion block and extends to the top of the extrusion block.

Preferably, the extrusion piece one side is equipped with annotates the liquid pipe, annotate liquid pipe one end and break through casing and mould shell and set up to the route with the mould shell is inside, annotate liquid pipe top and be equipped with sealed lid, sealed lid and annotate threaded connection between the liquid pipe, casing bottom fixedly connected with base.

The utility model provides an extrusion die is used in aluminium alloy production, its beneficial effect who possesses as follows:

1. this extrusion die is used in aluminium alloy production passes through installation push pedal and asbestos piece, hot-air and steam promote push pedal and asbestos piece upwards slide, when the bottom wall of push pedal bottom and pressure release pipe forms the clearance, hot-air and steam overflow from the pressure release pipe is inside, when the push pedal supports the dog, the push pedal no longer continues to shift up, avoid the extrusion effect of the too big influence aluminum product of amount of movement, simultaneously in the inside check valve that is equipped with of pressure release pipe, can ensure inside hot-air and the one-way extrusion piece that discharges of steam, can not follow outside and get into other air, avoid draining to press unsmoothly.

2. This extrusion die is used in aluminium alloy production is through using bolted connection extrusion piece and mould shell, when extrudeing many times, the mould shell takes place deformation seriously, when needing to be changed, only needs pull down the bolt, can make extrusion piece and mould shell break away from, conveniently changes and dismantles the mould shell, only needs to change the mould shell during the maintenance, avoids the whole change of equipment, reduces the wasting of resources.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the extrusion block of the present invention;

FIG. 3 is an enlarged view of the structure of part A of FIG. 1 according to the present invention;

fig. 4 is the structural schematic diagram of the mold shell of the present invention.

In the figure: the device comprises a shell 1, an extrusion block 2, a die shell 3, a limiting groove 4, a clamping block 5, a bolt 6, a sleeve 7, a sliding rod 8, a return spring 9, a push plate 10, an asbestos sheet 11, a sealing ring 12, a stop block 13, a pressure relief pipe 14, a check valve 15, a sealing cavity 16, a liquid injection pipe 17, a sealing cover 18 and a base 19.

Detailed Description

The embodiment of the utility model provides an extrusion die for aluminum profile production, as shown in fig. 1-4, comprising a shell 1 and an extrusion block 2, wherein a die shell 3 is arranged inside the shell 1, and a pressure relief mechanism is arranged inside the extrusion block 2;

the pressure relief mechanism comprises a sleeve 7, the sleeve 7 is fixedly connected with the top of the inner wall of the extrusion block 2, a slide rod 8 is sleeved at the bottom of the sleeve 7, the slide rod 8 is slidably connected with the sleeve 7, a push plate 10 is fixedly connected with the bottom of the slide rod 8, a return spring 9 is sleeved outside the sleeve 7, an asbestos sheet 11 is arranged at the bottom of the push plate 10, the asbestos sheet 11 is bonded with the push plate 10, a sealing ring 12 is arranged outside the push plate 10, the sealing ring 12 is attached to the inner wall of the extrusion block 2, a sealing cavity 16 is formed between the asbestos sheet 11 and the extrusion block 2, a plurality of pressure relief pipes 14 are embedded inside the extrusion block 2, the number of the pressure relief pipes 14 is multiple, the plurality of pressure relief pipes 14 are annularly distributed relative to the extrusion block 2, a one-way valve 15;

the bottom of the die shell 3 and the bottom of the extrusion block 2 are both provided with screw holes, the bottom of the die shell 3 is provided with a bolt 6, the bolt 6 is in threaded connection with the threaded hole, and the die shell 3 and the extrusion block 2 are detachably connected through the bolt 6, so that the die shell 3 can be conveniently replaced and detached, and the waste of resources is avoided;

the inner wall of the die shell 3 is fixedly connected with a limiting groove 4, two sides of the extrusion block 2 are fixedly connected with fixture blocks 5, the limiting groove 4 is in sliding connection with the fixture blocks 5, the downward sliding process of the extrusion block 2 is limited, and the surface of the aluminum product obtained by extrusion is smooth;

the top of the return spring 9 is fixedly connected with the extrusion block 2, and the bottom of the return spring 9 is fixedly connected with the push plate 10;

a stop block 13 is arranged in the sealing cavity 16, the stop block 13 is fixedly connected with the extrusion block 2, and the stop block 13 limits the upward movement of the push plate 10, so that the extrusion forming effect of the aluminum material is prevented from being influenced by overlarge movement amount;

a passage is arranged between one end of the pressure relief pipe 14 and the sealing cavity 16, and the other end of the pressure relief pipe 14 penetrates through the top of the extrusion block 2 and extends to the top of the extrusion block 2;

one side of the extrusion block 2 is provided with a liquid injection pipe 17, one end of the liquid injection pipe 17 runs through the shell 1 and the die shell 3 and is provided with a passage with the interior of the die shell 3, the top of the liquid injection pipe 17 is provided with a sealing cover 18, the sealing cover 18 is in threaded connection with the liquid injection pipe 17, and the bottom of the shell 1 is fixedly connected with a base 19.

The implementation mode is specifically as follows: in practical use, the aluminum product is placed inside the die shell 3, the external pressure rod is used for connecting the extrusion block 2, the extrusion equipment is started, the extrusion block 2 moves downwards to enable the bottom of the extrusion block 2 to be contacted with the aluminum product, heat is generated due to extrusion, the extrusion can be incomplete due to hot air expansion inside the die shell 3, the liquid injection pipe 17 and the sealing cover 18 are arranged outside the die shell 3, an operator can open the sealing cover 18, a small amount of cooling liquid is injected into the die shell 3 by using the liquid injection pipe 17, when the extrusion block 2 is pressed down with the aluminum product, a large amount of hot air and water vapor are extruded, the hot air and the water vapor push the push plate 10 and the asbestos sheet 11 to slide upwards, at the moment, the return spring 9 is compressed, the slide rod 8 retracts into the sleeve 7, the inner wall of the push plate 10 and the extrusion block 2 is well sealed due to the sealing ring 12, only when the bottom of the push plate 10 forms a gap with the bottom, hot air and steam overflow from the inside of the pressure release pipe 14, when the push plate 10 butts against the stop block 13, the push plate 10 does not move upwards any more, so that the extrusion forming effect of the aluminum product is prevented from being influenced by overlarge movement amount, the asbestos sheet 11 can prevent hotter heat from entering the inside of the extrusion block 2, the service life of the return spring 9 is shortened, meanwhile, the check valve 15 is arranged inside the pressure release pipe 14, so that the hot air and steam can be discharged from the inside of the extrusion block 2 in one way without entering other air from the outside, the unsmooth pressure discharge is avoided, the base 19 is arranged at the bottom of the shell 1, so that the extrusion is stable during extrusion, the extrusion block 2 and the mold shell 3 are connected by using the bolt 6, when the mold shell 3 is extruded for multiple times, the deformation is serious, when the replacement is needed, only the bolt 6 needs to be detached, so that the extrusion block 2 and the mold shell 3 can be separated, the mold, and resource waste is reduced.

The working principle is as follows: through installation push pedal 10 and asbestos piece 11, hot-air and steam promote push pedal 10 and the upward slip of asbestos piece 11, return spring 9 is compressed this moment, inside slide bar 8 retraction sleeve 7, because sealing ring 12 makes

push pedal

10 and 2 inner walls of extrusion piece sealed good, only when push pedal 10 bottom and the bottom wall of pressure release pipe 14 form the clearance, hot-air and steam overflow from pressure release pipe 14 is inside, when push pedal 10 supports dog 13, push pedal 10 no longer continues to shift up, avoid the too big extrusion effect that influences the aluminum product of amount of movement, simultaneously at the inside check valve 15 that is equipped with of pressure release pipe 14, can ensure that hot-air and steam one-way discharge extrusion piece 2 is inside, can not follow outside entering other air, avoid discharging pressure unsmooth.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an extrusion die is used in aluminium alloy production, includes casing (1) and extrusion piece (2), its characterized in that: a die shell (3) is arranged in the shell (1), and a pressure relief mechanism is arranged in the extrusion block (2);

the pressure relief mechanism comprises a sleeve (7), the sleeve (7) is fixedly connected with the top of the inner wall of the extrusion block (2), the sleeve (7) is sleeved with a sliding rod (8) at the bottom, the sliding rod (8) is connected with the sleeve (7) in a sliding manner, a push plate (10) is fixedly connected with the bottom of the sliding rod (8), a return spring (9) is sleeved outside the sleeve (7), an asbestos sheet (11) is arranged at the bottom of the push plate (10), the asbestos sheet (11) is bonded with the push plate (10), a sealing ring (12) is arranged outside the push plate (10), the sealing ring (12) is bonded with the inner wall of the extrusion block (2), a sealing cavity (16) is formed between the asbestos sheet (11) and the extrusion block (2), the extrusion block (2) is internally embedded with a pressure relief pipe (14), the number of the pressure relief pipe (14) is set to be multiple, and the pressure relief pipe (14) is distributed annularly for the extrusion block (2), the pressure relief pipe (14) is internally provided with a one-way valve (15), and the one-way valve (15) is fixedly connected with the inner wall of the pressure relief pipe (14).

2. The extrusion die for producing the aluminum profile according to claim 1, characterized in that: the screw hole has all been seted up to mould shell (3) and extrusion piece (2) bottom, mould shell (3) bottom is equipped with bolt (6), bolt (6) and screw hole threaded connection, can dismantle the connection through bolt (6) between mould shell (3) and the extrusion piece (2).

3. The extrusion die for producing the aluminum profile according to claim 1, characterized in that: the die shell (3) is characterized in that the inner wall of the die shell (3) is fixedly connected with a limiting groove (4), the two sides of the extrusion block (2) are fixedly connected with clamping blocks (5), and the limiting groove (4) is connected with the clamping blocks (5) in a sliding mode.

4. The extrusion die for producing the aluminum profile according to claim 1, characterized in that: the top of the return spring (9) is fixedly connected with the extrusion block (2), and the bottom of the return spring (9) is fixedly connected with the push plate (10).

5. The extrusion die for producing the aluminum profile according to claim 1, characterized in that: a stop block (13) is arranged in the sealing cavity (16), and the stop block (13) is fixedly connected with the extrusion block (2).

6. The extrusion die for producing the aluminum profile according to claim 1, characterized in that: a passage is arranged between one end of the pressure relief pipe (14) and the sealing cavity (16), and the other end of the pressure relief pipe (14) penetrates through the top of the extrusion block (2) and extends to the top of the extrusion block (2).

7. The extrusion die for producing the aluminum profile according to claim 1, characterized in that: it annotates liquid pipe (17) to be equipped with on one side of extrusion piece (2), it rushes through casing (1) and mould shell (3) inside to set up to the route to annotate liquid pipe (17) one end, it is equipped with sealed lid (18) to annotate liquid pipe (17) top, threaded connection between sealed lid (18) and the liquid pipe of annotating (17), casing (1) bottom fixedly connected with base (19).