CN215032429U

CN215032429U - Cooling device for extrusion die of extruder

Info

Publication number: CN215032429U
Application number: CN202121703245.2U
Authority: CN
Inventors: 蔡莹; 高永利
Original assignee: Shandong Weirui Refrigeration Technology Co ltd
Current assignee: Shandong Weirui Refrigeration Technology Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-12-07
Anticipated expiration: 2031-07-26

Abstract

The utility model relates to an extruder extrusion die cooling device, including extrusion die, extrusion mouth, die pad, relief hole, be equipped with the cooling chamber in the extrusion die, cooling feed liquor pipe and cooling drain pipe are connected in the cooling chamber, are equipped with the cooling jacket in the relief hole, are equipped with the cooling bath in the hole of cooling jacket, and welded fastening has the support cover in the hole of cooling jacket, and the outer wall and the cooling bath formation cooling air cavity of supporting the cover support the fumarole that is equipped with intercommunication cooling air cavity on the cover, and the fumarole sets up for the slope, and cooling air cavity intercommunication has the cooling intake pipe. The utility model discloses a set up the support cover and the cooling jacket that can incline the axis of the centre bore of slope spout cooling air in the centre bore of die cushion, can cool off the aluminium part of extruding, do benefit to subsequent transport and conduction to slope spout cooling air, can accelerate the gas of centre bore outwards to flow, and cool down to the air, can reduce extrusion die's the temperature of extruding the mouth, do benefit to extrusion die long-time work.

Description

Cooling device for extrusion die of extruder

Technical Field

The utility model relates to an extruder extrusion tooling cooling device belongs to aluminum product production technical field.

Background

In the extrusion forming process of the aluminum profile, the temperature of the working belt of the extrusion die is increased due to the sharp change of the shape of the aluminum alloy ingot and the heat generated by the friction between the aluminum profile and the die, so that the working temperature of the extrusion die is higher. At present only set up the cooling chamber in extrusion tooling's outside, then cool off through pouring into the coolant liquid into to the cooling intracavity, but extrusion tooling's extrusion mouth department still has higher temperature, because extrusion tooling's the outside generally sets up the die pad, set up the discharge opening on the die pad, the temperature in extrusion mouth department can be along with the outside transmission of discharge aluminum product, but relatively slow like this, cause the higher extrusion mouth temperature to be unfavorable for extrusion tooling to use for a long time, the aluminium alloy of extruding in addition also has higher temperature, be unfavorable for the transport conduction in later stage.

SUMMERY OF THE UTILITY MODEL

The utility model provides an extruder extrusion tooling cooling device, the higher extrusion opening temperature who solves present extrusion tooling is unfavorable for the extrusion tooling to use for a long time, and the aluminium alloy of extruding in addition also has higher temperature, is unfavorable for the problem of the transport conduction in later stage.

The utility model relates to an extruder extrusion tooling cooling device, including extrusion tooling, be equipped with the extrusion mouth in the middle of the extrusion tooling, extrusion tooling's left end is fixed with the die pad, the die pad passes through fixing bolt to be fixed on extrusion tooling, the centre of die pad is equipped with the relief hole, be equipped with the cooling chamber in the extrusion tooling, the cooling chamber is connected with cooling feed liquor pipe and cooling drain pipe, be equipped with the cooling jacket in the relief hole, be equipped with the cooling bath in the hole of cooling jacket, welded fastening has the support cover in the hole of cooling jacket, the outer wall of supporting the cover forms the cooling air cavity with the cooling bath, support the fumarole that is equipped with intercommunication cooling air cavity on the cover, the fumarole sets up for the slope, cooling air cavity intercommunication has the cooling intake pipe. One end of the air injection hole close to the extrusion port of the extrusion die is an air inlet, and one end of the air injection hole far away from the extrusion port of the extrusion die is an air outlet, so that air is accelerated to flow from left to right.

Preferably, a support ring is fixed on the outer side of the left end of the cooling sleeve, and a support groove matched with the support ring is formed in the left end of the die pad, so that the die pad is convenient and quick to mount. The support ring is fixed on the die cushion through screws.

Preferably, the cooling sleeve and the die pad are respectively provided with a cooling air inlet hole which is mutually matched and communicated with the cooling air cavity and the cooling air inlet pipe. The air inlet is convenient.

Preferably, a positioning insertion hole is formed in the right end face of the supporting groove, and a positioning insertion block matched with the positioning insertion hole is fixed on the supporting ring. The cooling air inlet holes on the cooling sleeve and the die pad can be quickly positioned by inserting the positioning insertion blocks into the positioning insertion holes.

Preferably, the extrusion die is provided with a liquid channel for communicating the cooling cavity with the cooling liquid outlet pipe and the cooling liquid inlet pipe.

Preferably, the cooling liquid inlet pipe is connected with a heat exchange barrel, a snakelike heat exchange coil is arranged in the heat exchange barrel, the two ends of the heat exchange coil extend out of the heat exchange barrel and are connected with an air inlet pipe and a cooling air inlet pipe, and the top of the left end of the heat exchange barrel is connected with a cooling liquid inlet pipe. The gas at normal temperature can be subjected to heat exchange with the cooling liquid through the heat exchange barrel, so that the gas is cooled and is cooled. The air inlet pipe is connected with the fan.

The utility model discloses, following beneficial effect has:

the supporting sleeve and the cooling sleeve which can incline to the axis of the middle hole to spray cooling air are arranged in the middle hole of the die cushion, so that extruded aluminum pieces can be cooled, subsequent conveying and conduction are facilitated, the cooling air is sprayed obliquely, the outward flowing of air in the middle hole can be accelerated, the air is cooled, the temperature of an extrusion port of an extrusion die can be reduced, and the long-time working of the extrusion die is facilitated.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

in the figure: 1. cooling the liquid outlet pipe; 2. extruding the mould; 3. an extrusion port; 4. a cooling chamber; 5. a liquid channel; 6. cooling the liquid inlet pipe; 7. cooling the air inlet pipe; 8. cooling the air inlet; 9. positioning the insert block; 10. cooling air cavity, 11, air injection hole, 12, cooling jacket, 13, support jacket, 14, die cushion, 15, heat exchange barrel, 16, heat exchange coil, 17, air inlet pipe, 18, cooling liquid inlet pipe, 19 and support ring.

Detailed Description

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

As shown in fig. 1 to 2, the utility model discloses an extruder extrusion tooling cooling device, including extrusion tooling 2, be equipped with extrusion opening 3 in the middle of extrusion tooling 2, extrusion tooling 2's left end is fixed with die pad 14, the centre of die pad 14 is equipped with the relief hole, be equipped with cooling chamber 4 in the extrusion tooling 2, cooling chamber 4 is connected with cooling feed liquor pipe 6 and cooling drain pipe 1, be equipped with cooling jacket 12 in the relief hole, be equipped with the cooling bath in the hole of cooling jacket 12, welded fastening has support cover 13 in the hole of cooling jacket 12, the outer wall and the cooling bath formation cooling air cavity 10 of support cover 13, be equipped with the fumarole 11 of intercommunication cooling air cavity 10 on the support cover 13, fumarole 11 is the slope setting, cooling air cavity 10 intercommunication has cooling intake pipe 7.

A supporting ring 19 is fixed on the outer side of the left end of the cooling jacket 12, and a supporting groove matched with the supporting ring 19 is arranged at the left end of the die pad 14.

And cooling air inlets 8 which are mutually matched and communicated with the cooling air cavity 10 and the cooling air inlet pipe 7 are arranged on the cooling sleeve 12 and the die pad 14.

The right end face of the supporting groove is provided with a positioning jack, and a positioning insert block 9 matched with the positioning jack is fixed on the supporting ring 19.

And a liquid channel 5 for communicating the cooling cavity 4 with the cooling liquid outlet pipe 1 and the cooling liquid inlet pipe 6 is arranged on the extrusion die 2.

The cooling liquid inlet pipe 6 is connected with a heat exchange barrel 15, a snakelike heat exchange coil 16 is arranged in the heat exchange barrel 15, two ends of the heat exchange coil 16 extend out of the heat exchange barrel 15 and are connected with an air inlet pipe 17 and a cooling air inlet pipe 7, and the top of the left end of the heat exchange barrel 15 is connected with a cooling liquid inlet pipe 18.

The during operation, extrusion die 2 extrude 3 aluminium alloy of extrusion port, then through the relief hole, when passing through the relief hole, normal atmospheric temperature wind heat transfer cooling back when heat transfer coil pipe 16, then get into cooling air cavity 10, then spout from fumarole 11, carry out the forced air cooling to the aluminium alloy to spun wind can be so that the gaseous cooling in the relief hole, and enables gaseous from a left side right side acceleration flow, takes away the temperature of extrusion port 3 fast, accomplishes the cooling.

To sum up, the utility model discloses a set up the axis that can incline to the mesopore in the mesopore of die cushion and spout the support cover and the cooling jacket of cooling air to can cool off the aluminium part of extruding, do benefit to subsequent transport and conduction to slope spraying cooling air can accelerate the gaseous outward flow of mesopore, and cools off to the air, can reduce extrusion die's the temperature of extruding the mouth, does benefit to the long-time work of extrusion die.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Claims

1. The utility model provides an extruder extrusion tooling cooling device, includes extrusion tooling (2), is equipped with in the middle of extrusion tooling (2) and extrudes mouth (3), and the left end of extrusion tooling (2) is fixed with die pad (14), and the centre of die pad (14) is equipped with the relief hole, is equipped with cooling chamber (4) in extrusion tooling (2), and cooling chamber (4) are connected with cooling feed liquor pipe (6) and cooling drain pipe (1), its characterized in that: be equipped with cooling jacket (12) in the relief hole, be equipped with the cooling tank in the hole of cooling jacket (12), welded fastening has support cover (13) in the hole of cooling jacket (12), and the outer wall of support cover (13) forms cooling air cavity (10) with the cooling tank, is equipped with fumarole (11) of intercommunication cooling air cavity (10) on support cover (13), and fumarole (11) are the slope setting, and cooling air cavity (10) intercommunication has cooling intake pipe (7).

2. The cooling device for the extrusion die of the extruding machine according to claim 1, which is characterized in that: a supporting ring (19) is fixed on the outer side of the left end of the cooling jacket (12), and a supporting groove matched with the supporting ring (19) is formed in the left end of the die pad (14).

3. The cooling device for the extrusion die of the extruding machine according to claim 2, is characterized in that: the cooling jacket (12) and the die cushion (14) are respectively provided with a cooling air inlet hole (8) which is mutually matched and is communicated with the cooling air cavity (10) and the cooling air inlet pipe (7).

4. The cooling device for the extrusion die of the extruding machine according to claim 3, characterized in that: a positioning jack is arranged on the right end face of the supporting groove, and a positioning insert block (9) matched with the positioning jack is fixed on the supporting ring (19).

5. The cooling device for the extrusion die of the extruding machine according to claim 4, is characterized in that: and a liquid channel (5) which is communicated with the cooling cavity (4), the cooling liquid outlet pipe (1) and the cooling liquid inlet pipe (6) is arranged on the extrusion die (2).

6. The cooling device for the extrusion die of the extruding machine according to claim 5, is characterized in that: the cooling liquid inlet pipe (6) is connected with a heat exchange barrel (15), a snake-shaped heat exchange coil (16) is arranged in the heat exchange barrel (15), two ends of the heat exchange coil (16) extend out of the heat exchange barrel (15) and are connected with an air inlet pipe (17) and a cooling air inlet pipe (7), and the top of the left end of the heat exchange barrel (15) is connected with a cooling liquid inlet pipe (18).