CN215143479U - Cold extrusion shape mould subassembly of preapring for an unfavorable turn of events - Google Patents

Abstract

The utility model discloses a cold extrusion die assembly that preapres for an unfavorable turn of events, concretely relates to cold extrusion die technical field, its technical scheme is: the device comprises a base, a bearing table and a buffer assembly, wherein the top of the base is fixedly connected with the bearing table; the buffering subassembly includes the through-hole, the through-hole runs through bearing platform and base, bearing bench side fixed mounting die, die utensil top is equipped with the punching press subassembly, the beneficial effects of the utility model are that: by setting the die groove in the female die to be slightly longer than that of the male die, excessive matching between the dies cannot be caused, so that damage is caused; a protection piece is arranged at the top of the female die to prevent the abrasion or damage between the dies; through set up the thin little through-hole in aperture in the bottom in mould groove, when carrying out stamping work between the mould, the air of die utensil bottom can be through the through-hole of setting outwards discharge, has avoided the condition that part surface power is inhomogeneous, produces deformation easily.

Description

Cold extrusion shape mould subassembly of preapring for an unfavorable turn of events

Technical Field

The utility model relates to a cold extrusion die technical field, concretely relates to cold extrusion die assembly of preapring for an unfavorable turn of events.

Background

The extrusion is a technological method for forcing gold scrap block materials to generate plastic flow, and parts with hollow or smaller sections than the sections of blanks are manufactured through a gap between a male die and a female die or a female die outlet, if the blanks are extruded without heating, the cold extrusion is called cold extrusion, namely, the metal blanks are placed in a cold extrusion die cavity, and pressure is applied to the blanks through the male die fixed on a press machine at room temperature, so that the metal blanks generate plastic deformation to manufacture the parts; cold extrusion is one of the processing technologies of parts without cuttings and with few cuttings, so that the cold extrusion method is an advanced technological method in gold scrap plastic processing, China has the capability of designing and manufacturing extrusion presses with different levels of tonnage in the aspect of extrusion equipment, and successfully adopts a friction press and high-speed high-energy equipment to carry out cold extrusion production besides a general mechanical press, a hydraulic press and the cold extrusion presses.

The prior art has the following defects: when the existing cold extrusion die extrudes a concave-convex part, when the convex die pushes a metal material into the concave die, along with the deformation of the part, the edge of the part is tightly attached to the inner wall of the concave die, so that a closed space is formed at the bottom of the concave die; the part after colding pressing breaks away from when the terrace die utensil, takes out the part together easily, and the part adhesion is on the terrace die utensil, influences the punching press next time easily for the part produces deformation and causes the damage, and, different parts need the extruded degree of depth different, and current mould does not have the protection architecture who prevents excessive punching press, because manual operation equipment, neglects the regulation calibration work of grinding apparatus easily around using, the excessive extrusion of mould produces the damage when leading to producing, causes certain economic loss.

Therefore, it is necessary to develop a cold extrusion deformation prevention die assembly.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a cold extrusion mould subassembly of preapring for an unfavorable turn of events, through setting up the buffering subassembly in die utensil bottom, the buffering extrusion during operation, the unable exhaust air in die utensil bottom passes through buffer and the outside discharge of through-hole to adsorb the part after the shaping through the electro-magnet, the breaking away from of the convex mould of being convenient for, set up protection piece in order to solve cold pressing die utensil in the course of the work at the top of female mould, the part produces easily that deformation and mould appear excessive pressfitting and cause the problem of damage.

In order to achieve the above object, the present invention provides the following technical solutions: a cold extrusion anti-deformation die assembly comprises a base and a bearing table, wherein the top of the base is fixedly connected with the bearing table, and the cold extrusion anti-deformation die assembly also comprises a buffer assembly arranged in the bearing table; the buffer assembly comprises a through hole, the through hole penetrates through the bearing table and the base, a concave die is fixedly mounted above the bearing table, a stamping assembly is arranged above the concave die, and an electromagnet is arranged inside the concave die.

Preferably, the top of the bearing table is fixedly connected with a first reinforcing part and a second reinforcing part, the second reinforcing part is arranged inside the first reinforcing part, and the female die is fixedly installed inside the second reinforcing part.

Preferably, the top of the female die is fixedly connected with a protection piece, the protection piece is a square gasket made of chloroprene rubber materials, and a female die-shaped through hole is formed in the middle of the top of the protection piece.

Preferably, the stamping assembly comprises a male die and a hydraulic machine, the top of the male die is connected with the hydraulic machine, and the male die and the female die are both made of die steel materials.

Preferably, the bottom of the female die is provided with a buffer area, the top of the female die is provided with a die groove in the middle, a male die is arranged right above the die groove, and the length of the die groove is slightly larger than that of the male die.

Preferably, the first reinforcing part and the second reinforcing part are both made of manganese steel, and the bottoms of the first reinforcing part and the second reinforcing part are welded to the top of the base.

Preferably, the through holes are cylindrical through holes, and two or four groups of through holes are formed in the through holes.

The utility model has the advantages that:

1. by setting the die groove in the female die to be slightly longer than that of the male die, a buffer area can be formed at the bottom when the male die and the female die are matched and stamped, and excessive matching between the dies cannot be caused, so that damage is caused;

2. the protection piece is arranged at the top of the female die, so that the condition that the dies are excessively matched to cause abrasion or damage of the dies due to the fact that the punching depth of the dies is forgotten to be calibrated and adjusted before manual operation is avoided;

3. through setting up the thin and small through-hole in aperture in the bottom in mould groove, the through-hole runs through the base and the bearing platform of mould tank bottom, under the prerequisite that does not influence bearing platform and base mechanical strength, when carrying out stamping work between the mould, the air of die utensil bottom can outwards be discharged through the through-hole that sets up, can not produce pressure to the part, has avoided part surface atress inhomogeneous, produces the condition of deformation easily.

Drawings

Fig. 1 is a front sectional view of the whole assembly of embodiment 1 provided by the present invention;

fig. 2 is a schematic structural view of a female mold and a male mold in working according to embodiment 1 of the present invention;

fig. 3 is a top view of a concave mold according to example 1 of the present invention;

fig. 4 is a schematic view of a through hole structure in embodiment 1 provided by the present invention;

fig. 5 is a schematic view of a through hole structure in embodiment 2 provided by the present invention.

In the figure: the die comprises a base 1, a bearing table 2, a reinforcing part I3, a concave die 4, a convex die 5, a hydraulic press 6, a protecting part 7, a buffer area 8, a buffer assembly 9, a stamping assembly 10, a through hole 11, a reinforcing part II 12, an electromagnet 13 and a die groove 14.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1:

referring to the attached drawings 1-4, the utility model provides a cold extrusion anti-deformation die assembly, which comprises a base 1 and a bearing platform 2, wherein the top of the base 1 is fixedly connected with the bearing platform 2, and the cold extrusion anti-deformation die assembly also comprises a buffer assembly 9 arranged in the bearing platform 2; the buffer assembly 9 comprises a through hole 11, the through hole 11 penetrates through the bearing table 2 and the base 1, a female die 4 is fixedly mounted above the bearing table 2, a stamping assembly 10 is arranged above the female die 4, an electromagnet 13 is arranged inside the female die 4, specifically, the bearing table 2 plays a role in bearing pressure load on the female die 4 at the top, the buffer assembly 9 prevents excessive extrusion between the female die 4 and the male die 5 when a part is extruded, so that damage is caused, air inside the female die 4 is discharged outwards at the same time, negative pressure cannot be generated inside the female die 4 when the part is taken out, so that the part is difficult to take out, the electromagnet 13 can adsorb the metal part after extrusion is completed, the part is prevented from being adhered to the male die 5, and damage and deformation of the part are avoided when the part is extruded next time;

further, the first reinforcing part 3 and the second reinforcing part 12 are fixedly connected to the top of the bearing table 2, the second reinforcing part 12 is arranged inside the first reinforcing part 3, the concave die 4 is fixedly installed inside the second reinforcing part 12, and specifically, the first reinforcing part 3 and the second reinforcing part 12 play a role in reinforcing and fixing, so that the stability between dies is improved during cold pressing, the dies are prevented from being displaced, and internal parts are prevented from being deformed;

further, the top of the female die 4 is fixedly connected with a protection piece 7, the protection piece 7 is a square gasket made of chloroprene rubber material, a through hole in the shape of the female die 4 is formed in the middle of the top of the protection piece 7, specifically, the chloroprene rubber has good physical and mechanical properties, high tensile strength, high elongation and reversible crystallinity, and is excellent in aging resistance, heat resistance, oil resistance and chemical corrosion resistance, and the protection piece 7 made of the chloroprene rubber can play a protection role between the female die 4 and the male die 5 to prevent abrasion or damage between the dies;

further, the stamping assembly 13 comprises a male die 5 and a hydraulic machine 6, the top of the male die 5 is connected with the hydraulic machine 6, the male die 5 and the female die 4 are both made of die steel materials, and specifically, the hydraulic machine 6 is a product of the prior published patent technology, and the male die 5 is driven by the hydraulic machine 6 to extrude downwards;

further, a buffer area 8 is arranged at the bottom of the female die 4, a die groove 14 is arranged in the middle of the top of the female die 4, a male die 5 is arranged right above the die groove 14, the length of the die groove 14 is slightly greater than that of the male die 5, specifically, the buffer area 8 can prevent the male die 5 from being excessively extruded to damage the female die 4, and the length of the die groove 14 is greater than that of the male die 5, so that the buffer area 8 formed between the dies can be ensured, and the effect of protecting the dies is achieved;

furthermore, the first reinforcing part 3 and the second reinforcing part 12 are both made of manganese steel, the bottoms of the first reinforcing part 3 and the second reinforcing part 12 are welded to the top of the base 1, specifically, the manganese steel is high-strength steel and is mainly used for bearing severe working conditions such as impact, extrusion and material abrasion, the first reinforcing part 3 and the second reinforcing part 12 made of manganese steel can play a role in buffering and protecting a die, and the stability between the dies is improved during cold extrusion work;

further, through-hole 11 is cylindrical through-hole, and through-hole 11 has seted up two sets ofly, and is concrete, and the diameter of through-hole 11 is 5mm, and convex mould 5 and concave mould utensil 4 are at extrusion during operation, and concave mould utensil 4 is along with impressing of part, and the air of bottom passes through-hole 11 and outwards discharges, can not cause the extrusion to the part, avoids the part to produce deformation.

The utility model discloses a use as follows: after the technical personnel in the field put into female die 4 with the part, work through hydraulic press 6, drive male die 5 and move down and carry out extrusion work (as shown in fig. 2), extrude the part extrusion in the female die 4, in extruded process, the air between part bottom and female die 4 outwards discharges through-hole 11 that sets up, avoided air extrusion to make the part atress inhomogeneous production deformation, cause the appearance of unqualified product, the part after the extrusion, fix in female die 4 through 13 magnetism of electro-magnet, can not adhere and influence extrusion work next time on male die 5, female die 4 top sets up protection piece 7 by the chloroprene rubber constitution, can play the protection effect between female die 4 and male die 5, prevent to produce wearing and tearing or damage between the mould.

Example 2:

referring to the attached figure 5, the cold extrusion anti-deformation die assembly provided by the utility model comprises a base 1 and a bearing platform 2, wherein the top of the base 1 is fixedly connected with the bearing platform 2, and the cold extrusion anti-deformation die assembly further comprises a buffer assembly 9 arranged in the bearing platform 2; the buffer assembly 9 comprises a cavity 10 and a through hole 11, the cavity 10 is arranged in the middle of the joint of the base 1 and the bearing table 2, the through hole 11 penetrates through the bearing table 2 to be connected with the cavity 10, the stamping assembly 13 is arranged above the base 1, specifically, the bearing table 2 plays a role in bearing the pressure load on the concave die 4 at the top, the buffer assembly 9 prevents the concave die 4 from being excessively extruded between the convex die 5 when a part is extruded, so that the part is damaged, meanwhile, air in the concave die 4 is discharged outwards, when the part is taken out, negative pressure cannot be generated in the concave die 4, so that the part is difficult to take out, the electromagnet 13 can adsorb the metal part after the extrusion is completed, the part is prevented from being adhered to the convex die 5, and the part is prevented from being damaged and deformed when the next extrusion is carried out;

further, the through holes 11 are cylindrical, four groups of through holes 11 are formed, specifically, the diameter of each through hole 11 is 5mm, the four groups of through holes 11 can discharge air between the dies outwards more quickly when the dies extrude, and the working efficiency of the dies is improved.

The utility model discloses a use as follows: the technical personnel in the field can discharge the air between the dies to the outside more quickly by adding four groups of through holes 11, thereby improving the working efficiency of the dies; after the part is put into female die 4, through the work of hydraulic press 6, drive male die 5 downstream and carry out extrusion work (as shown in fig. 2), with the part extrusion in the female die 4, in the extruded process, the air between part bottom and the female die 4 outwards discharges through the through-hole 11 that sets up, avoided the air extrusion to make the part atress inhomogeneous produce deformation, cause the appearance of unqualified product, the part after the extrusion, fix in female die 4 through 13 magnetism of electro-magnet, can not the adhesion influence next time extrusion work on male die 5, female die 4 top sets up protection piece 7 that comprises chloroprene rubber, can play the protection effect between female die 4 and male die 5, prevent to produce wearing and tearing or damage between the mould.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims (7)

1. The utility model provides a cold extrusion die set spare of preapring for an unfavorable turn of events, includes base (1) and bearing platform (2), base (1) top fixed connection bearing platform (2), its characterized in that: the device also comprises a buffer component (9) arranged in the bearing table (2);

buffering subassembly (9) include through-hole (11), through-hole (11) run through bearing platform (2) and base (1), bearing platform (2) top fixed mounting concave mould (4), concave mould (4) top is equipped with stamping component (10), concave mould (4) inside sets up electro-magnet (13).

2. A cold extrusion deformation prevention die assembly according to claim 1, wherein: bearing platform (2) top fixed connection reinforcement (3) and reinforcement two (12), reinforcement two (12) set up inside reinforcement one (3), the inside fixed mounting concave mould (4) of reinforcement two (12).

3. A cold extrusion deformation prevention die assembly according to claim 2, wherein: the top of the female die (4) is fixedly connected with a protection piece (7), the protection piece (7) is a square gasket made of chloroprene rubber materials, and a through hole in the shape of the female die (4) is formed in the middle of the top of the protection piece (7).

4. A cold extrusion deformation prevention die assembly according to claim 1, wherein: the stamping assembly (10) comprises a convex die (5) and a hydraulic machine (6), the hydraulic machine (6) is connected to the top of the convex die (5), and the convex die (5) and the concave die (4) are both made of die steel materials.

5. A cold extrusion deformation prevention die assembly according to claim 1, wherein: the die is characterized in that a buffer area (8) is arranged at the bottom of the female die (4), a die groove (14) is formed in the middle of the top of the female die (4), the male die (5) is arranged right above the die groove (14), and the length of the die groove (14) is slightly larger than that of the male die (5).

6. A cold extrusion deformation prevention die assembly according to claim 2, wherein: the first reinforcing part (3) and the second reinforcing part (12) are both made of manganese steel, and the bottoms of the first reinforcing part (3) and the second reinforcing part (12) are welded to the top of the base (1).

7. A cold extrusion deformation prevention die assembly according to claim 1, wherein: the through holes (11) are cylindrical, and two or four groups of through holes (11) are formed.

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