CN210411961U

CN210411961U - Extrusion die for micro-channel aluminum flat tube

Info

Publication number: CN210411961U
Application number: CN201920800637.7U
Authority: CN
Inventors: 窦本伟
Original assignee: Xinxiang Jinhong Technology Co Ltd
Current assignee: Xinxiang Jinhong Technology Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-04-28
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a be used for microchannel aluminum flat tube extrusion die, including the liquid nitrogen container, the right side fixedly connected with stand of liquid nitrogen container, the top fixedly connected with crossbeam of stand, the bottom fixedly connected with cylinder of crossbeam, the top fixedly connected with lower mould of liquid nitrogen container, the mould is gone up to the bottom fixedly connected with of cylinder. The utility model discloses a set up the pump machine, the long tube, the spring pipe, the back flow, feed liquor chamber and communicating pipe, played and lasted incessantly pour into the feed liquor intracavity with the liquid nitrogen into, and feed liquor chamber mesocycle in lower mould and last mould, thereby make the mould sharply cool off, avoid high temperature and accelerate wearing and tearing, the life of lower mould and last mould has been improved, solved because the extrusion dynamics is bigger, cause very big extrusion force and frictional force easily, consequently, the extrusion processing mould of the flat pipe of microchannel can produce very high extrusion temperature, and can be because of the high problem of the flat pipe wearing and tearing of microchannel aluminum with higher speed of the high temperature of mould.

Description

Extrusion die for micro-channel aluminum flat tube

Technical Field

The utility model relates to an aluminum flat tube processing technology field specifically is a be used for microchannel aluminum flat tube extrusion die.

Background

The microchannel aluminum flat tube is a thin-wall porous flat tubular material which is mainly applied to air-conditioning systems of various refrigerants and is used as a pipeline part for bearing a novel environment-friendly refrigerant, a novel environment-friendly system is a key material of a new-generation parallel flow microchannel air-conditioning heat exchanger, a microchannel aluminum tube is a novel environment-friendly refrigerant bearing pipeline part and is firstly forcibly used on an automobile air-conditioning system, the product has high technical content and great production difficulty, only few manufacturers produce in the world before 2010, the production technology of the product is basically monopolized by the product, domestic automobile air-conditioning heat exchanger manufacturers cannot be produced at all, the material required by the domestic automobile air-conditioning heat exchanger manufacturers can only be obtained from exclusive subsidiaries or direct imports arranged in China by foreign manufacturers, and a mold is required to be used in the processing of the microchannel aluminum flat tube, because the extrusion force degree is great, causes very big extrusion force and frictional force easily, consequently the extrusion processing mould of microchannel flat pipe can produce very high extrusion temperature, can accelerate microchannel aluminum flat pipe wearing and tearing because of the high temperature of mould moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for microchannel aluminum flat tube extrusion tooling possesses quick refrigerated advantage, has solved because the extrusion power is bigger, causes very big extrusion force and frictional force easily, therefore the extrusion tooling mould of the flat pipe of microchannel can produce very high extrusion temperature, can be because of the high problem of microchannel aluminum flat tube wearing and tearing with higher speed of the high temperature of mould moreover.

In order to achieve the above object, the utility model provides a following technical scheme: an extrusion die for a micro-channel aluminum flat tube comprises a liquid nitrogen tank, wherein the right side of the liquid nitrogen tank is fixedly connected with an upright post, the top of the upright post is fixedly connected with a cross beam, the bottom of the cross beam is fixedly connected with an air cylinder, the top of the liquid nitrogen tank is fixedly connected with a lower die, the bottom of the cylinder is fixedly connected with an upper die, the top of the lower die is provided with a lower die cavity, the bottom of the upper die is provided with an upper die cavity, the inner cavities of the lower die cavity and the upper die cavity are both provided with liquid inlet cavities, the bottom of the inner cavity of the liquid nitrogen tank is provided with a pump, the liquid outlet end of the pump is communicated with a long pipe, one end of the long pipe, which is far away from the pump, penetrates through the liquid nitrogen tank, a spring pipe is communicated with the upper die, one end of the spring pipe, which is far away from the long pipe, penetrates through the upper die and is communicated with the liquid inlet cavity, and the bottom of the lower die is communicated with a return pipe, and the bottom of the return pipe penetrates through the lower die and is communicated with a liquid nitrogen tank.

Preferably, the bottom of the pump is fixedly connected with a mounting seat, and the bottom of the mounting seat is fixedly connected with the bottom of the inner cavity of the liquid nitrogen tank.

Preferably, all around of liquid nitrogen tank bottom all have the walking wheel through landing leg swing joint, the surface of walking wheel is provided with the brake block.

Preferably, the two sides of the liquid inlet cavity of the cavity in the upper die cavity are communicated with communicating pipes, and the communicating pipes are communicated with the two sides of the liquid inlet cavity of the cavity in the lower die cavity.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the lower mould, go up the mould, lower die cavity and last die cavity, played and carried out extruded effect to microchannel aluminum flat tube, through setting up the pump machine, the long tube, the spring pipe, the back flow, feed liquor chamber and communicating pipe, it injects the feed liquor intracavity with the liquid nitrogen into to have played continuously ceaselessly, and feed liquor chamber mesocycle in lower mould and last mould, thereby make the sharp cooling of mould, avoid high temperature and accelerate wearing and tearing, the life of lower mould and last mould has been improved, solved because the extrusion dynamics is bigger, cause very big extrusion force and frictional force easily, therefore the extrusion processing mould of microchannel flat tube can produce very high extrusion temperature, and can be because of the high problem of microchannel aluminum flat tube wearing and tearing of the high temperature of mould with higher speed.

2. The utility model discloses a set up the mount pad, played the effect to pump machine stable support, through setting up the walking wheel, played the effect of the mobile device of being convenient for, through setting up the cylinder, played the effect that provides extrusion power.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

fig. 3 is a schematic view of the left-side sectional structure of the lower mold of the present invention.

In the figure: the device comprises a liquid nitrogen tank 1, a column 2, a beam 3, a cylinder 4, a lower die 5, an upper die 6, a liquid inlet cavity 7, a communicating pipe 8, a pump 9, a long pipe 10, a spring pipe 11, a return pipe 12, a mounting seat 13, a traveling wheel 14, a lower die cavity 15 and an upper die cavity 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an extrusion die for a micro-channel aluminum flat tube comprises a liquid nitrogen tank 1, wherein the periphery of the bottom of the liquid nitrogen tank 1 is movably connected with walking wheels 14 through supporting legs, the surface of the walking wheels 14 is provided with brake pads, the right side of the liquid nitrogen tank 1 is fixedly connected with an upright post 2, the top of the upright post 2 is fixedly connected with a cross beam 3, the bottom of the cross beam 3 is fixedly connected with an air cylinder 4, the top of the liquid nitrogen tank 1 is fixedly connected with a lower die 5, the bottom of the air cylinder 4 is fixedly connected with an upper die 6, the top of the lower die 5 is provided with a lower die cavity 15, the bottom of the upper die 6 is provided with an upper die cavity 16, the inner cavities of the lower die cavity 15 and the upper die cavity 16 are provided with liquid inlet cavities 7, the two sides of the liquid inlet cavity 7 of the inner cavity of the upper die cavity 16 are communicated with communicating pipes 8, the bottom of the mounting seat 13 is fixedly connected with the bottom of the inner cavity of the liquid nitrogen tank 1, the liquid outlet end of the pump 9 is communicated with a long pipe 10, one end of the long pipe 10, which is far away from the pump 9, penetrates through the liquid nitrogen tank 1 and is communicated with a spring pipe 11, one end of the spring pipe 11, which is far away from the long pipe 10, penetrates through the upper die 6 and is communicated with the liquid inlet cavity 7, the bottom of the lower die 5 is communicated with a return pipe 12, the bottom of the return pipe 12 penetrates through the lower die 5 and is communicated with the liquid nitrogen tank 1, the effect of extruding the microchannel aluminum flat pipe is achieved by arranging the lower die 5, the upper die 6, the lower die cavity 15 and the upper die cavity 16, the pump 9, the long pipe 10, the spring pipe 11, the return pipe 12, the liquid inlet cavity 7 and the communication pipe 8 are arranged, the continuous and ceaseless injection of liquid nitrogen into the liquid inlet cavity 7 is achieved, and the liquid, the service life of the lower die 5 and the upper die 6 is prolonged, and the problems that the extrusion processing die of the micro-channel flat tubes can generate very high extrusion temperature and the micro-channel aluminum flat tubes are abraded with higher speed due to overhigh temperature of the die due to the fact that the extrusion force is large and great extrusion force and friction force are easily caused are solved.

During the use, start cylinder 4 and pump machine 9 through the peripheral hardware controller, cylinder 4 drives and goes up mould 6 flexible, thereby carry out extrusion work with the cooperation of lower mould 5, pump machine 9 absorbs the liquid nitrogen in liquid nitrogen container 1 to long tube 10 during the extrusion, transmit to feed liquor chamber 7 by spring pipe 11 again, and feed liquor chamber 7 mesocycle in die cavity 15 and last die cavity 16 down, thereby make the mould sharply cool off, avoid high temperature and accelerate wearing and tearing, the life of lower mould 5 and last mould 6 has been improved, then can flow back to liquid nitrogen container 1 through back flow 12, solved because the extrusion dynamics is bigger, cause very big extrusion force and frictional force easily, consequently, the extrusion processing mould of microchannel flat pipe can produce very high extrusion temperature, and can be because of the high problem of the microchannel aluminum flat pipe wearing and tearing of the temperature of mould with higher speed.

The standard parts used in the application document can be purchased from the market, and can be customized according to the description of the specification and the description of the attached drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, and machines, parts and equipment adopt conventional models in the prior art.

In summary, the following steps: this an extrusion die for microchannel aluminum flat tube, through liquid nitrogen container 1, stand 2, crossbeam 3, cylinder 4, lower mould 5, go up mould 6, feed liquor chamber 7, communicating pipe 8, pump machine 9, long tube 10, spring pipe 11, back flow 12, mount pad 13, walking wheel 14, lower mould chamber 15 and the cooperation of last mould chamber 16, solved because the extrusion power is bigger, cause very big extrusion force and frictional force easily, consequently, the extrusion processing mould of microchannel flat tube can produce very high extrusion temperature, and can be because of the high problem of microchannel aluminum flat tube wearing and tearing with higher speed of the high temperature of mould.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for microchannel flat aluminum tube extrusion die, includes liquid nitrogen container (1), its characterized in that: the right side of the liquid nitrogen tank (1) is fixedly connected with a stand column (2), the top of the stand column (2) is fixedly connected with a cross beam (3), the bottom of the cross beam (3) is fixedly connected with a cylinder (4), the top of the liquid nitrogen tank (1) is fixedly connected with a lower die (5), the bottom of the cylinder (4) is fixedly connected with an upper die (6), the top of the lower die (5) is provided with a lower die cavity (15), the bottom of the upper die (6) is provided with an upper die cavity (16), the inner cavities of the lower die cavity (15) and the upper die cavity (16) are both provided with a liquid inlet cavity (7), the bottom of the inner cavity of the liquid nitrogen tank (1) is provided with a pump machine (9), the liquid outlet end of the pump machine (9) is communicated with a long pipe (10), one end of the long pipe (10) far away from the pump machine (9) runs through the liquid nitrogen tank (1), a spring pipe (11), and is communicated with the liquid inlet cavity (7), the bottom of the lower die (5) is communicated with a return pipe (12), and the bottom of the return pipe (12) penetrates through the lower die (5) and is communicated with the liquid nitrogen tank (1).

2. The extrusion die for the micro-channel aluminum flat tube as claimed in claim 1, wherein: the bottom fixedly connected with mount pad (13) of pump machine (9), the bottom of mount pad (13) and the bottom fixed connection of liquid nitrogen container (1) inner chamber.

3. The extrusion die for the micro-channel aluminum flat tube as claimed in claim 1, wherein: all there are walking wheels (14) all through landing leg swing joint around liquid nitrogen container (1) bottom, the surface of walking wheels (14) is provided with the brake block.

4. The extrusion die for the micro-channel aluminum flat tube as claimed in claim 1, wherein: and the two sides of the liquid inlet cavity (7) of the inner cavity of the upper die cavity (16) are communicated with communicating pipes (8), and the communicating pipes (8) are communicated with the two sides of the liquid inlet cavity (7) of the inner cavity of the lower die cavity (15).