CN215657120U

CN215657120U - Hollow ripple lead-tin alloy hot extrusion die

Info

Publication number: CN215657120U
Application number: CN202122079694.0U
Authority: CN
Inventors: 张理罡
Original assignee: Jiangshun Precision Technology Huzhou Co ltd
Current assignee: Jiangshun Precision Technology Huzhou Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-01-28
Anticipated expiration: 2031-08-31

Abstract

The utility model belongs to the technical field of lead-tin alloy hot extrusion dies, and particularly relates to a hollow corrugated lead-tin alloy hot extrusion die which comprises a lower die and an upper die which are cylindrical and matched, wherein a die core is arranged at the center of the upper die, a lower die welding chamber, an inclination die hole and a lower die hole are sequentially arranged on one side of the lower die, which is close to the upper die, the lower die welding chamber, the inclination die hole and the lower die hole are communicated, and a guide type shunting hole and a direct-leading type shunting hole are sequentially arranged on one side of the upper die, which is close to the lower die; in the utility model, the lead-tin alloy flow enters the lower die welding chamber to be well filled in the angular position which is difficult to fill through the guiding, welding and shaping effects, the lead-tin alloy flow enters the inclination die hole, and the materials which are not filled in the angular position and the corrugation position are subjected to inclination collection and extrusion, so that the problem of sawtooth cutoff caused by insufficient filling in the angular position and the corrugation position is solved, the extrusion qualification rate is greatly improved, and the production efficiency of the hollow corrugated lead-tin alloy section is improved.

Description

Hollow ripple lead-tin alloy hot extrusion die

Technical Field

The utility model relates to the technical field of lead-tin alloy hot extrusion dies, in particular to a hollow corrugated lead-tin alloy hot extrusion die.

Background

Because the lead-tin alloy has the characteristics of high density, good stability, low melting point, strong extensibility, good corrosion resistance, good protection and radiation performance and the like, other metals cannot be replaced, and particularly, the hollow corrugated lead-tin alloy material is applied to large-scale electric power in recent years.

But in the aspect of the preparation of hollow ripple plumbous tin alloy material, the hollow ripple plumbous tin alloy material that produces through hot extrusion die often because hollow ripple plumbous tin alloy section bar extrusion ratio is little, and angular position and ripple department are filled inadequately, and the phenomenon that the sawtooth cuts off often can appear, and this makes the hollow ripple plumbous tin alloy that produces through hot extrusion can not reach its operation requirement, has the problem that the product percent of pass is low, for solving above-mentioned problem, provides a hollow ripple plumbous tin alloy hot extrusion die in this application.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

In order to solve the technical problems in the background art, the utility model provides a hollow corrugated lead-tin alloy hot extrusion die which has the characteristics of avoiding the phenomenon of saw tooth cutoff caused by insufficient filling at the angular position and the corrugated position and improving the qualified rate of an extrusion material.

(II) technical scheme

In order to solve the problems, the utility model provides a hollow corrugated lead-tin alloy hot extrusion die which comprises a lower die and an upper die which are in cylindrical shape and are matched, wherein a die core is arranged at the center of the upper die, a lower die welding chamber, an inclined die hole and a lower die hole are sequentially arranged on one side of the lower die, which is close to the upper die, and the lower die welding chamber, the inclined die hole and the lower die hole are communicated.

Preferably, one side of the upper die, which is close to the lower die, is sequentially provided with a guide type shunting hole and a direct-leading type shunting hole, and the guide type shunting hole is communicated with the direct-leading type shunting hole.

Preferably, the upper die center is provided with an upper die discharging end shunting bridge and an upper die feeding end shunting bridge, and the upper die feeding end shunting bridge is connected with the die core.

Preferably, a first code groove is annularly cut on the outer wall of the lower die.

Preferably, a second code groove is annularly cut on the outer wall of the upper die.

Preferably, the lower die and the upper die are fixedly assembled through screws matched with pins.

The technical scheme of the utility model has the following beneficial technical effects:

in the utility model, the lead-tin alloy flow enters the lower die welding chamber to be guided, welded and shaped, so that the corners which are difficult to fill can be well filled, the lead-tin alloy flow enters the slope die holes, and the materials which are not filled sufficiently at the corners and the corrugations are subjected to slope collection and extrusion, so that the problem of saw tooth cutoff caused by insufficient filling at the corners and the corrugations is well solved, the extrusion qualification rate is greatly improved, the production efficiency of the hollow corrugated lead-tin alloy profile is improved, and the production cost is reduced; and the lead-tin alloy can be quickly introduced into the lower part of the shunting bridge at the discharge end of the upper die to be welded, so that the pressure is rapidly increased, the density of the lead-tin alloy at the discharge end is higher than that of the lead-tin alloy at the feeding end, the surface is smoother, the defects of rough surface, loose structure, influence on appearance, mechanical strength and the like are overcome, and the structure performance and the mechanical strength of the material can be greatly enhanced.

Drawings

FIG. 1 is a cross-sectional side view of the present invention;

FIG. 2 is a cross-sectional view showing a side structure of a lower mold in the present invention;

FIG. 3 is a front view of the lower mold of the present invention;

FIG. 4 is a cross-sectional side view of an upper mold according to the present invention;

FIG. 5 is a front view of the upper mold of the present invention;

wherein: 1. a die hole; 2. a slope die hole; 3. a lower die welding chamber; 4. a direct-leading type shunt hole; 5. a guide type flow distribution hole; 6. a mold core; 7. the upper die discharge end is provided with a shunt bridge; 8. a shunting bridge at the feeding end of the upper die; 9. a lower die; 10. an upper die; 11. a first character code slot; 12. and a second character code slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in figures 1-5, the hollow corrugated lead-tin alloy hot extrusion die provided by the utility model comprises a lower die 9 and an upper die 10 which are cylindrical and matched, wherein the lower die 9 and the upper die 10 are fixedly assembled by screws matched with pins, a die core 6 is arranged in the center of the upper die 10, a lower die welding chamber 3, an inclined die hole 2 and a lower die hole 1 are sequentially arranged on one side of the lower die 9 close to the upper die 10, the lower die welding chamber 3, the inclined die hole 2 and the lower die hole 1 are communicated, the lower die welding chamber 3 is equivalent to a material storage cavity and plays a role in storing and shaping materials from the upper die 10, the inclined die hole 2 can be beneficial to the inclination collection and extrusion of the materials which are not fully filled at the corners and the corrugations, the problem of the phenomenon of cut-off and sawtooth is solved, an upper die discharging end shunting bridge 7 and an upper die feeding end shunting bridge 8 are arranged in the center of the upper die 10, and go up mould pan feeding end reposition of redundant personnel bridge 8 and be connected with mold core 6, go up the mould 10 and have seted up direction formula reposition of redundant personnel hole 5 and direct formula reposition of redundant personnel hole 4 in proper order near one side of lower mould 9, and direction formula reposition of redundant personnel hole 5 and direct formula reposition of redundant personnel hole 4 are linked together, and direction formula reposition of redundant personnel hole 5 leads the material of coming from direct formula reposition of redundant personnel hole 4 below introducing the reposition of redundant personnel bridge, lets its fast weld, reinforcing material's organizational performance and mechanical strength.

In this embodiment, the outer walls of the lower mold 9 and the upper mold 10 are respectively and annularly cut with a first character code groove 11 and a second character code groove 12, so that numbers can be conveniently engraved in the first character code groove 11 and the second character code groove 12 for distinguishing.

The working principle is as follows: in the using process, lead-tin alloy is shunted by the shunting bridge 8 at the feeding end of the upper die and enters the straight-leading type shunting hole 4 of the upper die, and when the lead-tin alloy passes through the outlet-leading type shunting hole 5, the lead-tin alloy can be quickly led to the lower part of the shunting bridge 7 at the discharging end of the upper die to be welded under the action of flow resistance and guidance, the pressure is quickly increased, so that the lead-tin alloy at the discharging end has higher density than that at the feeding end and has a smoother surface, the defects of rough surface, loose tissue, influence on appearance, mechanical strength and the like are overcome, and the tissue performance and the mechanical strength of the material are enhanced; more importantly, with the further increase of the pressure, the lead-tin alloy flow enters the lower die welding chamber 3 to be well filled in the angular positions which are difficult to fill through the guiding, welding and shaping effects; the lead-tin alloy flow enters the slope die hole 2, the materials with insufficient filling at the angle position and the ripple position are subjected to slope collection and extrusion, so that the problem of saw tooth cutoff caused by insufficient filling at the angle position and the ripple position is solved well, the extrusion yield is greatly improved, the production efficiency of the hollow ripple lead-tin alloy profile is improved, and the production cost is reduced.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hollow ripple lead-tin alloy hot extrusion die, is including lower mould (9) and last mould (10) that are cylinder form and looks adaptation, the center of going up mould (10) is provided with mold core (6), its characterized in that, lower mould seam room (3), inclination nib (2) and lower mould nib (1) have been seted up in proper order to one side that lower mould (9) are close to last mould (10), and lower mould seam room (3), inclination nib (2) and lower mould nib (1) are linked together.

2. The hollow corrugated lead-tin alloy hot extrusion die as claimed in claim 1, wherein one side of the upper die (10) close to the lower die (9) is sequentially provided with a guide type shunting hole (5) and a direct-leading type shunting hole (4), and the guide type shunting hole (5) is communicated with the direct-leading type shunting hole (4).

3. The hollow corrugated lead-tin alloy hot extrusion die as claimed in claim 1, wherein the upper die (10) is centrally provided with an upper die discharge end shunting bridge (7) and an upper die feed end shunting bridge (8), and the upper die feed end shunting bridge (8) is connected with the die core (6).

4. The hollow corrugated lead-tin alloy hot extrusion die as claimed in claim 1, wherein the outer wall of the lower die (9) is circularly cut with a first code groove (11).

5. A hollow corrugated lead-tin alloy hot extrusion die as claimed in claim 1, wherein the outer wall of the upper die (10) is cut with a second code groove (12) in a circle.

6. A hot extrusion die for hollow corrugated lead-tin alloy as claimed in claim 1, wherein said lower die (9) and upper die (10) are fixedly assembled by screw fitting pins.