CN211100837U - Extrusion die of copper wire drawing machine - Google Patents

Abstract

The utility model discloses a copper line wire drawing machine extrusion die, including the mould body, the mould body divide into external mold and centre form, and the nib runs through on the centre form axis, external mold cylindricality cavity internal surface and centre form round platform surface phase-match, and the external mold is equipped with a plurality of nozzle openings along centre form entry lubrication area tangential direction, and a plurality of nozzle openings are connected with an annular oil circuit and an injection hole and are formed complete oil circuit to stretch out external mold surface position at the injection hole and be equipped with the oil circuit interface. The utility model discloses be equipped with a plurality of nozzle openings, the drawing oil is injected by the kneck, through annular oil circuit evenly distributed to a plurality of nozzle openings, sprays the copper line along entry lubrication area tangential direction multi-angle, convenient, evenly reach the smooth going on of pouring into drawing oil, assurance wire drawing, can dismantle the centre form that the change has different membrane holes simultaneously, the commonality is good, centre form, external mold pass through the conical surface cooperation simultaneously, from centering by force, mould adjust time when reducing the change centre form.

Description

Extrusion die of copper wire drawing machine

Technical Field

The utility model belongs to copper line production field specifically is a copper line wire drawing machine extrusion die.

Background

The extrusion die of the copper wire drawing machine is widely applied to the field of copper wire drawing production, and the cross-sectional area of metal is extruded and compressed by forcing a copper wire to pass through the die under the action of external force, so that the required shape and size of the cross-sectional area are obtained.

The die hole of the extrusion die is generally divided into four areas from the inlet to the outlet, namely an inlet lubricating area, a working area, a sizing area and an outlet area. In the process of drawing the copper wire, the drawing oil is usually required to be injected into an inlet lubrication area, so that the abrasion is effectively reduced, good lubrication protection is provided for the copper wire, and the drawn copper wire has high surface smoothness. A large amount of heat is generated in the process of friction between a copper wire and a working area, if the heat is not taken away in time, local high temperature on the surface can be caused, the property of the copper wire is changed, and flowing lubricating oil is an important heat dissipation channel. Meanwhile, the wire drawing oil also has the functions of rust prevention, copper powder removal and the like, so that whether the copper wire is completely wrapped by the lubricating oil before entering a working area of a die or not plays an important role in the wire drawing effect of the copper wire.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem be: the problem of prior art to extrusion die can not evenly pour into the wire drawing oil into provides a copper line wire drawing machine extrusion die, and this extrusion die can be convenient, evenly pour into the wire drawing oil into, guarantee going on smoothly of wire drawing, still has the characteristics that the commonality is good simultaneously.

The utility model discloses a following technical scheme realizes: an extrusion die of a copper wire drawing machine comprises a die body, wherein the die body is provided with a die hole and is divided into an outer die and an inner die; the mould hole runs through on the centre form axis, the mould hole is entry lubrication area, workspace, sizing district, export district respectively from the entry to the export, centre form left side surface is the round platform form, the external mold is equipped with the tapered cylindricality cavity of inside area, external mold cylindricality cavity internal surface with centre form round platform surface phase-match, the external mold is equipped with a plurality of nozzle openings along centre form entry lubrication area tangential direction, a plurality of nozzle openings and an annular oil injection way and an injection hole are connected and are formed complete oil circuit to it is equipped with the oil circuit interface to stretch out external mold surface position at the injection hole. Wire drawing oil is injected from the interface, is uniformly distributed to a plurality of oil spray holes through an annular oil way, and sprays the copper wire along the tangential direction and the multiple angles of the inlet lubrication area.

Furthermore, in order to conveniently clean the oil way and prevent the oil way from being blocked by copper powder, other impurities and the like, the left side of the outer die is provided with an oil way cover along a conical surface formed by a plurality of oil injection holes, and the annular surface formed by the annular oil way and the injection holes is detachably arranged;

furthermore, in order to realize continuous pushing and tightening effects on the inner mold, an annular cover plate is arranged on the right side of the outer mold, the middle section of the annular cover plate is corrugated, a protruding part on the left side of the corrugation abuts against the right side of the inner mold, and the outer circle of the annular cover plate is detachably and fixedly connected with the right end face of the outer mold.

Furthermore, in order to facilitate the discharge of redundant wire drawing liquid, an oil outlet hole is formed in the bottom surface of a cavity formed after the inner die and the outer die are installed and matched.

The utility model has the advantages that:

1. the utility model discloses be equipped with a plurality of nozzle openings, the wire drawing oil is injected into by the kneck, through annular oil circuit evenly distributed to a plurality of nozzle openings, sprays the copper line along entry lubrication area tangential direction multi-angle, convenient, evenly reach inject the smooth going on of wire drawing oil, assurance wire drawing.

2. The utility model discloses the mould body divide into centre form and external mold, and centre form and external mold pass through the conical surface and form the cooperation to by the loop line apron formation pretightning force, the centre form that different nib can be arranged in same external mold uses, and the conical surface cooperation has from the strong characteristics of centering. The nib has strict requirement with copper line inlet wire direction, the utility model discloses during the change centre form, the external mold is motionless, and the centre form passes through the conical surface with the external mold and forms the cooperation, and the direction precision is than higher, has reduced the time of changing behind the centre form adjustment nib phase angle.

3. The utility model discloses the conical surface that external mold left side formed along a plurality of nozzle openings, the anchor ring department detachably that annular oil circuit, filling hole formed is equipped with the oil circuit lid, and the oil circuit is divided into two halves by oil circuit lid and external mold, takes off the oil circuit lid after, can wash the oil circuit very conveniently, prevents that the oil circuit from blockking up.

Drawings

Fig. 1 is a front full-section view of an extrusion die of a copper wire drawing machine.

FIG. 1 is a view of a mold body; 11, an outer die; 111 oil spray holes; 112 annular oil circuit; 113 oil filler holes; 114 an oil passage cover; 115 an annular cover plate; 116 oil outlet holes; 117 oil line interfaces; 12 an inner mold; 2, die holes; 21 an inlet lubrication zone; 22 a working area; 23, a sizing area; 24 exit area.

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.

As shown in fig. 1, an extrusion die of a copper wire drawing machine comprises a die body 1, wherein the die body 1 is provided with a die hole 2, and the die body 1 is divided into an outer die 11 and an inner die 12; the die holes 2 penetrate through the axis of the inner die 12, the die holes 2 are respectively an inlet lubricating area 21, a working area 22, a sizing area 23 and an outlet area 24 from an inlet to an outlet, the outer surface of the left side of the inner die 12 is in a circular truncated cone shape, the outer die 11 is provided with a cylindrical cavity with a taper inside, the inner surface of the cylindrical cavity of the outer die 11 is matched with the surface of the circular truncated cone of the inner die 12, the outer die 11 is provided with four oil injection holes 111 along the tangential direction of the inlet lubricating area of the inner die 12, the four oil injection holes 111 are connected with an annular oil injection way 112 and an injection hole 113 to form a complete oil way, and an oil way interface 117 is arranged at the part of the. The drawing oil is injected from the oil path interface 117, is uniformly distributed to four oil spray holes 111 through the annular oil path 112, and sprays copper wires at multiple angles along the tangential direction of the inlet lubrication area 21.

In practical application, in order to facilitate cleaning of the oil path and prevent the oil path from being blocked by copper powder, other impurities and the like, an oil path cover 114 is detachably arranged on the left side of the outer die 11 along a conical surface formed by four oil injection holes 111 and on a circular ring surface formed by an annular oil path 112 and an injection hole 113;

in practical application, in order to realize the continuous pushing action on the inner mold 12, the right side of the outer mold 11 is provided with an annular cover plate 115, the middle section of the annular cover plate 115 is corrugated, a convex part on the left side of the corrugation abuts against the right side of the inner mold 12, and the outer circle of the annular cover plate 115 is detachably and fixedly connected with the right end face of the outer mold 11.

In practical application, in order to facilitate the discharge of the redundant wire drawing liquid, an oil outlet 116 is formed in the bottom surface of a cavity formed after the inner die 12 and the outer die 11 are installed and matched.

The utility model discloses the mould body divide into centre form 12 and external mold 11, and centre form 12 and external mold 11 form the cooperation through the conical surface to by loop line apron 115 formation pretightning force, centre form 12 that same external mold 11 can arrange different nib uses, and the conical surface cooperation has from the strong characteristics of centering. Die hole 2 has strict requirement with copper line inlet wire direction, the utility model discloses when changing centre form 12, external mold 11 is motionless, and centre form 12 passes through the conical surface with external mold 12 and forms the cooperation, and the direction precision is than higher, has reduced the time of changing 2 phase angles in the back adjustment die hole of centre form 12. Meanwhile, four oil injection holes 111 are formed, drawing oil is injected from an oil passage interface 117 and is uniformly distributed to the four oil injection holes 111 through an annular oil passage 112, the copper wire is sprayed at multiple angles along the tangential direction of the inlet lubrication area 21, and the drawing oil is conveniently and uniformly injected, and the smooth drawing is ensured. The oil path is divided into two halves by the oil path cover 114 and the outer die 11, and after the oil path cover 114 is removed, the oil path can be cleaned conveniently, and the oil path can be prevented from being blocked.

To sum up, the utility model discloses can realize that the purpose that can be convenient, evenly pour into the wire drawing oil, guarantee going on smoothly of wire drawing at copper line wire drawing in-process extrusion die, still have the characteristics that the commonality is good simultaneously.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.

Claims (4)

1. The utility model provides a copper line wire drawing machine extrusion die, includes the mould body (1), the mould body (1) is equipped with nib (2), its characterized in that: the die body (1) is divided into an outer die (11) and an inner die (12); the die hole (2) runs through on the axis of the inner die (12), the die hole (2) is respectively an inlet lubricating area (21), a working area (22), a sizing area (23) and an outlet area (24) from an inlet to an outlet, the outer surface of the left side of the inner die (12) is in a round table shape, the outer die (11) is provided with a cylindrical cavity with internal taper, the inner surface of the cylindrical cavity of the outer die (11) is matched with the surface of the round table of the inner die (12), the outer die (11) is provided with a plurality of oil injection holes (111) along the tangential direction of the inlet lubricating area of the inner die (12), the oil injection holes (111) are connected with one annular oil way (112) and one injection hole (113) to form a complete oil way, and the oil way interface (117) is arranged on the surface of the outer die (11) and.

2. The extrusion die of the copper wire drawing machine according to claim 1, characterized in that: the left side of the outer die (11) is provided with a conical surface formed along a plurality of oil injection holes (111), and an oil path cover (114) is detachably arranged on the annular surface formed by the annular oil path (112) and the injection holes (113).

3. The extrusion die of the copper wire drawing machine according to claim 1, characterized in that: the right side of the outer die (11) is provided with an annular cover plate (115), the middle section of the annular cover plate (115) is corrugated, a convex part on the left side of the corrugation is abutted against the right side of the inner die (12), and the excircle of the annular cover plate (115) is detachably and fixedly connected with the right end face of the outer die (11).

4. The extrusion die of the copper wire drawing machine according to claim 1, characterized in that: and an oil outlet (116) is formed in the bottom surface of the cavity formed after the inner die (12) and the outer die (11) are installed and matched.

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