CN217393342U

CN217393342U - Continuous extrusion device of copper pole

Info

Publication number: CN217393342U
Application number: CN202221008903.0U
Authority: CN
Inventors: 荀永德; 高纪红; 刘科杰; 刘�文
Original assignee: Xinchengrui Technology Co ltd
Current assignee: Xinchengrui Technology Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-09-09
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses a continuous extrusion device of a copper rod, which comprises an extrusion wheel with an extrusion groove and a compaction wheel corresponding to the extrusion groove; one side of the extrusion wheel is provided with an extrusion shoe; a forming seat is fixed on the extrusion shoe; the forming seat is provided with an extrusion cavity communicated with the extrusion groove; an extrusion die is arranged at the outlet end of the extrusion cavity; a plurality of discharge holes are uniformly distributed on the extrusion die along the circumferential direction; the middle part of the discharge hole is provided with a sizing area, and the diameters of the two ends of the discharge hole gradually decrease towards the sizing area. The utility model discloses set up a plurality of discharge openings on the extrusion die, can realize a porous continuous extrusion, effectual reduction extruder internal pressure promotes the frock mould life-span, has set up the sizing district simultaneously, can further promote product quality, alleviates extrusion pressure, and the mode that need not to adopt the deceleration start alleviates partial extrusion pressure to improve the production productivity, improved the productivity.

Description

Continuous extrusion device of copper pole

Technical Field

The utility model belongs to the technical field of the copper pole production technique and specifically relates to a continuous extrusion device of copper pole is related to.

Background

The continuous extrusion technology is mostly applied to processing of nonferrous metals such as aluminum, copper and the like and the wire and cable industry, the metal rod is subjected to the action of stress in all directions in the continuous extrusion process, the as-cast structure is crushed, and the crushed crystal grains are recrystallized under the action of heat generated by friction, so that the structure and the performance in the metal rod can be effectively improved. In the continuous extrusion process, the product with large length can be continuously extruded only by continuously feeding the feeding rod, so that the production and processing period can be effectively reduced, and the production efficiency is improved. At present, continuous extrusion is mostly carried out in a one-in one-out mode, when a small-size rod blank is extruded (the diameter is less than or equal to 10mm), the surface quality of an extrusion rod is poor, the extrusion rod is large, the pressure in an extrusion machine cavity is easy to be overlarge, an extrusion die is damaged, the service life of a tooling die is shortened, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a continuous extrusion device of copper pole to weak point among the prior art.

Realize the utility model discloses the technical scheme of purpose is: a continuous extrusion device for a copper rod comprises an extrusion wheel with an extrusion groove and a compaction wheel corresponding to the extrusion groove; one side of the extrusion wheel is provided with an extrusion shoe; a forming seat is fixed on the extrusion shoe; the forming seat is provided with an extrusion cavity communicated with the extrusion groove; an extrusion die is arranged at the outlet end of the extrusion cavity; a plurality of discharge holes are uniformly distributed on the extrusion die along the circumferential direction; the middle part of the discharge hole is provided with a sizing area, and the diameters of the two ends of the discharge hole gradually decrease towards the sizing area.

The length of the sizing area is 3-5 mm.

The distance between the axis of the discharge hole and the central axis of the extrusion die is 10-15 mm.

The quantity of discharge opening is 3.

The extrusion die comprises a die holder and a die core embedded in the die holder; the discharge hole is formed in the mold core; and the die holder is provided with a material guide hole corresponding to the discharge hole.

The diameter of the material guide hole is gradually reduced from the outlet end to the outlet end of the discharge hole.

The die holder is made of alloy.

An installation cavity is formed in one side, away from the extrusion wheel, of the forming seat; the extrusion die is arranged in the mounting cavity and limited in the mounting cavity through the back plate, and the back plate is provided with a through hole corresponding to the discharge hole.

By adopting the technical scheme, the utility model discloses following beneficial effect has: (1) the utility model discloses set up a plurality of discharge openings on the extrusion mould, can realize a porous continuous extrusion, effectual reduction extruder internal pressure promotes the frock mould life-span, has set up the sizing district simultaneously, can further promote product quality, alleviates extrusion pressure, need not to adopt the mode of deceleration start to alleviate partial extrusion pressure to improve the production productivity, improved the productivity.

(2) The utility model discloses a length in sizing district is 3 ~ 5mm, can effectual reduction extrusion pressure, further improves extrusion stem surface quality and dimensional accuracy.

(3) The utility model discloses an axis of discharge opening is 10 ~ 15mm with the central axis's of extrusion die distance, can the effectual intensity of guaranteeing extrusion die itself.

(4) The utility model discloses a quantity of discharge opening is 3, considers that the discharge opening is more can lead to extrusion die intensity to reduce itself, sets up 3 discharge openings, when improving the productivity to guaranteed extrusion die's self intensity, avoided extrusion die frequent damage, further improved production efficiency.

(5) The utility model discloses a die holder with inlay the mold core of locating in the die holder, through split type manufacturing, the maintenance only need change the mold core can to the replacement cost has been reduced.

(6) The utility model discloses the guide hole has been valuated to the diameter in material hole is steadilyd decrease gradually to the exit end of discharge opening by the exit end, and the fish tail copper pole surface is avoided moreover in the ejection of compact of not only being convenient for.

(7) The utility model discloses the material of die holder adopts the alloy, intensity and the wearability that can effectual improvement mould promote the life of mould.

(8) The utility model discloses installation cavity and backplate have been set up to in the installation and the dismantlement of extrusion mould, the maintenance and the maintenance in the later stage of being convenient for.

Drawings

In order that the manner in which the above recited features of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the extrusion die of the present invention.

Fig. 3 is a sectional view of the extrusion die of the present invention.

The reference numbers in the drawings are:

the extrusion device comprises an extrusion wheel 1, a compaction wheel 2, an extrusion shoe 3, a forming seat 4, an extrusion cavity 5, an extrusion die 6, a die holder 6-1, a die core 6-2, a material guide hole 6-3, a material discharge hole 7, a sizing area 8 and a back plate 9.

Detailed Description

(example 1)

Referring to fig. 1 to 3, the continuous extrusion device for copper bars of the present embodiment includes an extrusion wheel 1 having an extrusion groove and a compaction wheel 2 corresponding to the extrusion groove; one side of the extrusion wheel 1 is provided with an extrusion shoe 3; a forming seat 4 is fixed on the extrusion shoe 3; an extrusion cavity 5 communicated with the extrusion groove is arranged on the forming seat 4; an extrusion die 6 is arranged at the outlet end of the extrusion cavity 5; a plurality of discharge holes 7 are uniformly distributed on the extrusion die 6 along the circumferential direction; the middle part of the discharge hole 7 is provided with a sizing area 8, and the diameters of the two ends of the discharge hole gradually decrease towards the sizing area 8.

Furthermore, the length of the sizing area 8 is 3-5 mm, so that the extrusion pressure can be effectively reduced, and the surface quality and the size precision of the extrusion rod are further improved.

Furthermore, the distance between the axis of the discharge hole 7 and the central axis of the extrusion die 6 is 10-15 mm, so that the strength of the extrusion die 6 can be effectively ensured.

Preferably, the number of the discharge holes 7 is 3, and 3 discharge holes 7 are arranged, so that the strength of the extrusion die 6 is reduced due to the fact that the discharge holes 7 are large, the productivity is improved, the strength of the extrusion die 6 is guaranteed, frequent damage to the extrusion die 6 is avoided, and the production efficiency is further improved.

Further, the extrusion die 6 comprises a die holder 6-1 and a die core 6-2 embedded in the die holder 6-1; the discharge hole 7 is formed in the mold core 6-2; and a material guide hole 6-3 corresponding to the material discharge hole 7 is formed in the die holder 6-1. The extrusion die 6 of the embodiment is manufactured in a split mode, and only the die core 6-2 needs to be replaced for maintenance, so that the replacement cost is reduced.

Furthermore, the diameter of the material guide holes 6-3 is gradually decreased from the outlet end to the outlet end of the material discharge hole 7, so that the material is convenient to discharge, and the surface of the copper rod is prevented from being scratched.

Preferably, the die holder 6-1 is made of alloy, so that the strength and the wear resistance of the die can be effectively improved, and the service life of the die is prolonged.

Further, in order to facilitate the installation of the extrusion die 6, an installation cavity is arranged on one side of the forming seat 4, which is far away from the extrusion wheel 1; the extrusion die 6 is arranged in the mounting cavity and limited in the mounting cavity through a back plate 9, and a through hole corresponding to the discharge hole 7 is formed in the back plate 9.

The copper rod continuous extrusion device of this embodiment has set up a plurality of discharge openings 7 on extrusion die 6, can realize a porous continuous extrusion, and effectual reduction extruder internal pressure promotes the frock mould life-span, has set up sizing district 8 simultaneously, can further promote product quality, alleviates extrusion pressure, need not to adopt the mode of the start of slowing down to alleviate partial extrusion pressure to improve the production productivity, improved the productivity.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a copper pole's continuous extrusion device which characterized in that: comprises an extrusion wheel (1) with an extrusion groove and a compaction wheel (2) corresponding to the extrusion groove; one side of the extrusion wheel (1) is provided with an extrusion shoe (3); a forming seat (4) is fixed on the extrusion shoe (3); an extrusion cavity (5) communicated with the extrusion groove is formed in the forming seat (4); an extrusion die (6) is arranged at the outlet end of the extrusion cavity (5); a plurality of discharge holes (7) are uniformly distributed on the extrusion die (6) along the circumferential direction; the middle part of the discharge hole (7) is provided with a sizing area (8), and the diameters of the two ends of the discharge hole are gradually reduced towards the sizing area (8).

2. The continuous extrusion apparatus of a copper bar as set forth in claim 1, wherein: the length of the sizing area (8) is 3-5 mm.

3. The continuous extrusion apparatus of a copper bar as set forth in claim 1, wherein: the distance between the axis of the discharge hole (7) and the central axis of the extrusion die (6) is 10-15 mm.

4. A continuous extrusion apparatus for copper bars as claimed in claim 3, characterised in that: the number of the discharge holes (7) is 3.

5. The continuous extrusion apparatus of a copper bar as set forth in claim 1, wherein: the extrusion die (6) comprises a die holder (6-1) and a die core (6-2) embedded in the die holder (6-1); the discharge hole (7) is formed in the mold core (6-2); and a material guide hole (6-3) corresponding to the material discharge hole (7) is formed in the die holder (6-1).

6. The continuous extrusion apparatus for copper bars as claimed in claim 5, wherein: the diameter of the material guide hole (6-3) is gradually reduced from the outlet end to the outlet end of the material outlet hole (7).

7. The continuous extrusion apparatus of a copper bar as set forth in claim 5, wherein: the die holder (6-1) is made of alloy.

8. The continuous extrusion apparatus of a copper bar as set forth in claim 1, wherein: an installation cavity is formed in one side, away from the extrusion wheel (1), of the forming seat (4); the extrusion die (6) is arranged in the mounting cavity and limited in the mounting cavity through a back plate (9), and a through hole corresponding to the discharge hole (7) is formed in the back plate (9).