CN216606696U

CN216606696U - A dysmorphism recipient and backward extrusion device for backward extrusion

Info

Publication number: CN216606696U
Application number: CN202121719058.3U
Authority: CN
Inventors: 靳伟忠
Original assignee: Jiaxing Weigou Electronic Technology Co ltd
Current assignee: Jiaxing Weigou Electronic Technology Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-05-27
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a special-shaped extrusion container for backward extrusion and a backward extrusion device, wherein the extrusion container comprises: a barrel; the bottom plate is fixedly installed at the bottom end of the cylinder body, one side surface, facing the cylinder body, of the bottom plate is an extrusion matching surface, the extrusion matching surface is provided with a taper surface, and the taper surface inclines outwards along the reverse direction of the extrusion die by taking the central line of the extrusion outlet as a central axis; the special-shaped extrusion container and the reverse extrusion device for reverse extrusion improve the shape of the bottom surface in the extrusion container, thereby improving the extrusion process conditions, optimizing the plastic flow direction of the blank while reducing the extrusion resistance, improving the microstructure of the material, and ensuring that the performance of the product obtained by extrusion is more excellent and stable, and the special-shaped extrusion container and the reverse extrusion device for reverse extrusion have simple structure, convenient manufacture and low cost.

Description

A dysmorphism recipient and backward extrusion device for backward extrusion

Technical Field

The utility model relates to the technical field of machining, in particular to a special-shaped extrusion cylinder for backward extrusion and a backward extrusion device.

Background

Extrusion processing is a common processing method for various industrial products such as metal, plastic, resin and the like, and has the advantages of high production efficiency, lower cost, excellent quality and the like; generally, extrusion processing is mainly used for products in shapes of bars, pipes, wires and the like, and is divided into two main categories of co-extrusion and backward extrusion according to whether the extrusion direction of an extrusion bar is consistent with the extrusion direction of the products.

For extrusion processing of various materials such as aluminum alloy, copper alloy, plastic, resin and the like, the reverse extrusion has the advantages of small friction resistance, easy extrusion, uniform microstructure and the like compared with the forward extrusion, so that the application is more and more realized.

At present, the copper alloy precision connecting piece with high conductivity, high elasticity and high strength is more and more widely applied in the fields of communication electronics, die manufacturing, chip packaging detection and the like; the backward extrusion manufacturing equipment and process technology become indispensable key technology for manufacturing high-performance copper alloy.

As shown in figure 1, the inner bottom surface of the extrusion container in the prior art is a plane, the extrusion resistance is large by adopting the structure to be matched with an extrusion die for extrusion, and the performance of the obtained product is unstable, so that a mode needs to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a special-shaped extrusion container for backward extrusion, which is used in cooperation with an extrusion die having an extrusion outlet, and the application range of the special-shaped extrusion container includes extrusion processing of various metal alloys such as aluminum alloy, copper alloy, and steel material.

This dysmorphism recipient includes: a barrel; fixed mounting is in the bottom plate of barrel bottom, the bottom plate orientation a side of barrel is the extrusion fitting surface, the extrusion fitting surface has the tapering face, the tapering face with the central line of extrusion export is the axis, along extrusion die's extrusion direction's reverse slope outwards.

According to the prior art in the background art of the patent, as shown in fig. 1, an extrusion container in the prior art is provided with a plane inner bottom surface, and the extrusion container is matched with an extrusion die to extrude, so that the extrusion resistance is large, and the performance of the obtained product is unstable; the bottom of the special-shaped extrusion container for reverse extrusion disclosed by the utility model is designed into a special-shaped structure with a taper, so that the extrusion resistance is reduced; the center position of the bottom of the special-shaped extrusion cylinder is not provided with taper, so that the plane is kept, and the diameter of the plane is basically consistent with that of the cross section of the extrusion outlet, so that the plastic flow of the blank is smoother and the microstructure is more uniform and stable in the reverse extrusion process; the utility model improves the bottom surface shape in the extrusion container, thereby improving the extrusion process conditions, optimizing the plastic flow direction of the blank while reducing the extrusion resistance, improving the microstructure of the material, and ensuring that the performance of the product obtained by extrusion is more excellent and stable, and the utility model has simple structure, convenient manufacture and low cost.

In addition, the profiled extrusion container for backward extrusion disclosed by the utility model also has the following additional technical characteristics:

furthermore, the included angle between the generatrix of the taper surface and the common perpendicular line is 30-60 degrees (including 30 degrees and 60 degrees).

Furthermore, the extrusion outlet and the extrusion die are coaxial, the taper surface is in the shape of a circular truncated cone outer side surface, the extrusion matching surface is further provided with a plane perpendicular to the extrusion direction of the extrusion die, the center of the plane is located on the central line of the extrusion outlet of the extrusion die, the taper surface outwards expands from the periphery of the plane and extends to the bottom side line of the inner wall of the cylinder body, namely, the cross section of the inner wall of the cylinder body is in the shape of an oblique line which is formed by connecting a vertical line and an end point with two end points of the vertical line respectively and symmetrically, and the end point is connected with the other end point of the two oblique lines respectively and symmetrically, wherein the vertical line is perpendicular to the extrusion direction, and the included angle between the oblique line and the horizontal line is 120-150 degrees (including 120 degrees and 150 degrees).

Further, the plane matches the cross-section of the extrusion outlet.

Further, the planar diameter is 0.9 to 1.1 times (including 0.9 times and 1.1 times) the diameter of the cross-section of the extrusion outlet.

Still further, the diameter of the plane is equal to the diameter of the cross-section of the extrusion outlet.

According to another aspect of the utility model, a backward extrusion device is also provided, which comprises the above-mentioned profiled extrusion cylinder for backward extrusion, an extrusion rod matched with the cylinder body, and an extrusion die installed at the front end of the extrusion rod and matched with the cylinder body, wherein the extrusion rod is provided with an extrusion channel, the extrusion die is provided with the extrusion outlet coaxial with the extrusion channel, and the extrusion channel is coaxial with the extrusion rod.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a prior art extrusion container for counter extrusion; and

fig. 2 is a schematic structural view of a profile extrusion container for backward extrusion in an embodiment of the present invention.

Wherein, 1 is a cylinder, 2 is a blank, 3 is an extrusion die, and 4 is an extrusion rod.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout; the embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "lateral", "vertical", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplification of description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The utility model provides a special-shaped extrusion container for backward extrusion and a backward extrusion device, wherein the bottom of the extrusion container is designed into a special-shaped structure with taper, so that the extrusion resistance is reduced; the center position of the bottom of the special-shaped extrusion cylinder has no taper and keeps a plane, so that the plastic flow of the blank is smoother and the microstructure is more uniform and stable in the reverse extrusion process; the utility model improves the bottom surface shape in the extrusion container, thereby improving the extrusion process conditions, optimizing the plastic flow direction of the blank while reducing the extrusion resistance, improving the microstructure of the material, and ensuring that the performance of the product obtained by extrusion is more excellent and stable, and the utility model has simple structure, convenient manufacture and low cost.

A profile container for backward extrusion and a backward extrusion apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings, in which fig. 1 is a schematic structural view of a container for backward extrusion in the related art; and fig. 2 is a schematic structural diagram of a profile extrusion container for backward extrusion in an embodiment of the present invention.

As shown in fig. 2, according to the embodiment of the present invention, the special-shaped extrusion cylinder for backward extrusion is matched with the extrusion die having the extrusion outlet, and the application range includes extrusion processing of various metal alloys such as aluminum alloy, copper alloy, steel material, and the like.

This dysmorphism recipient includes: a cylinder body 1; fixed mounting is in the bottom plate of 1 bottom of barrel, the bottom plate orientation a side of barrel 1 is the extrusion fitting surface, the extrusion fitting surface has the tapering face, the tapering face with the central line of extrusion export is the axis, along extrusion die 3's extrusion direction's reverse slope outwards.

According to the prior art in the background art of the patent, as shown in fig. 1, an extrusion container in the prior art is provided with a plane inner bottom surface, and the extrusion container is matched with an extrusion die 3 for extrusion by adopting the structure, so that the extrusion resistance is large, and the performance of the obtained product is unstable; the bottom of the special-shaped extrusion container for reverse extrusion disclosed by the utility model is designed into a special-shaped structure with a taper, so that the extrusion resistance is reduced; the center position of the bottom of the special-shaped extrusion cylinder is not provided with taper, so that the plane is kept, and the diameter of the plane is basically consistent with that of the cross section of the extrusion outlet, so that the plastic flow of the blank 2 is smoother and the microstructure is more uniform and stable in the reverse extrusion process; the utility model improves the bottom surface shape in the extrusion container, thereby improving the extrusion process conditions, optimizing the plastic flow direction of the blank 2 and improving the microstructure of the material while reducing the extrusion resistance, so that the performance of the product obtained by extrusion is more excellent and stable, and the utility model has simple structure, convenient manufacture and low cost.

according to some embodiments of the utility model, the cartridge 1 is integrally formed with the base plate.

According to some embodiments of the utility model, the included angle between the generatrix of the tapered surface and the common vertical line is 30-60 degrees (including 30 ° and 60 °).

According to some embodiments of the present invention, the extrusion outlet and the extrusion die 3 are coaxial, the tapered surface is in the shape of an outer side surface of a circular truncated cone, the extrusion mating surface further has a plane perpendicular to the extrusion direction of the extrusion die 3, the center of the plane is on the center line of the extrusion outlet of the extrusion die 3, the tapered surface expands outward from the periphery of the plane and extends to the bottom end edge line of the inner wall of the barrel 1, that is, the cross-sectional shape of the inner wall of the barrel 1 is formed by a vertical line and oblique lines, the end points of which are respectively connected with two end points of the vertical line and symmetrically arranged, the end points of which are respectively connected with the other end points of the two oblique lines and symmetrically arranged horizontal lines, wherein the vertical line is perpendicular to the extrusion direction, and the included angle between the oblique lines and the horizontal lines is 120 to 150 degrees.

According to some embodiments of the utility model, the plane matches a cross-section of the extrusion outlet.

According to some embodiments of the utility model, the planar diameter is 0.9-1.1 times the diameter of the cross-section of the extrusion outlet.

According to one embodiment of the utility model, the diameter of the plane is equal to the diameter of the cross-section of the extrusion outlet.

According to another aspect of the utility model, a backward extrusion device is also provided, which comprises the above-mentioned special-shaped extrusion cylinder for backward extrusion, an extrusion rod 4 matched with the cylinder body 1, and an extrusion die 3 installed at the front end of the extrusion rod 4 and matched with the cylinder body 1, wherein the extrusion rod 4 is provided with an extrusion channel, the extrusion die 3 is provided with the extrusion outlet coaxial with the extrusion channel, and the extrusion channel is coaxial with the extrusion rod 4.

Any reference to "one embodiment," "an embodiment," "example embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the utility model; the schematic representations in various places in the specification do not necessarily refer to the same embodiment; further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the purview of one skilled in the art to effect such feature, structure, or characteristic in connection with other ones of the embodiments.

While the utility model has been described in detail with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention; in particular, reasonable variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the foregoing disclosure, the drawings and the appended claims without departing from the spirit of the utility model; except variations and modifications in the component parts and/or arrangements, the scope of which is defined by the appended claims and equivalents thereof.

Claims

1. A profile extrusion container for backward extrusion, for use with an extrusion die having an extrusion outlet, comprising: a barrel; fixed mounting is in the bottom plate of barrel bottom, the bottom plate orientation a side of barrel is the extrusion fitting surface, the extrusion fitting surface has the tapering face, the tapering face with the central line of extrusion export is the axis, along extrusion die's extrusion direction's reverse slope outwards.

2. A profile extrusion container for backward extrusion as claimed in claim 1, wherein the included angle between the generatrix of said tapered surface and the common vertical line is 30 to 60 degrees.

3. The profile extrusion container for backward extrusion as claimed in claim 1, wherein said extrusion mating surface further has a plane perpendicular to the extrusion direction of said extrusion die, said plane having a center on a center line of the extrusion outlet of said extrusion die, said tapered surface expanding outward from a periphery of said plane and extending to a bottom end side line of said inner wall of said cylinder body.

4. A profile extrusion container for backward extrusion as claimed in claim 3 wherein said flat surface matches the cross section of said extrusion outlet.

5. A profile extrusion container for backward extrusion according to claim 3 or 4, wherein said plane diameter is 0.9-1.1 times the diameter of the cross-section of the extrusion outlet.

6. A profile container for backward extrusion as in claim 5 wherein the diameter of said flat surface is equal to the diameter of the cross-section of said extrusion outlet.

7. A backward extrusion apparatus comprising the profile container for backward extrusion of any one of claims 1 to 6 and an extrusion die fitted to the profile container for backward extrusion.