CN214866203U

CN214866203U - Long service life's intelligent section bar hot extrusion die

Info

Publication number: CN214866203U
Application number: CN202120102577.9U
Authority: CN
Inventors: 贾荣华; 苏建军; 张荟
Original assignee: Dongguan Jinkedi Hardware Products Co ltd
Current assignee: Guangdong Jincodi Intelligent Technology Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-11-26
Anticipated expiration: 2031-01-15

Abstract

The utility model discloses a long-service-life intelligent section bar hot extrusion die, which comprises an upper die and a lower die, wherein the two ends of the top of the lower die are both provided with clamping grooves, the inside of the two clamping grooves is both clamped and connected with clamping blocks, the tops of the two clamping blocks are fixedly connected with the two ends of the bottom of the upper die, the center of the bottom of the upper die is provided with a first molding cavity, the center of the top of the lower die is provided with a second molding cavity, the top of the inner wall of the first molding cavity is fixedly provided with a die core, and the bottoms of the two sides of the inner wall of the second molding cavity are both fixedly provided with limiting plates. The service life of the hot extrusion die is prolonged.

Description

Long service life's intelligent section bar hot extrusion die

Technical Field

The utility model relates to a hot extrusion die field of intelligence section bar specifically is a long service life's hot extrusion die of intelligence section bar.

Background

The intelligent section bar is a solid straight bar which is formed by plastic processing and has a certain section shape and size, the intelligent section bar has various types and specifications and wide application, plays a very important role in rolling production, is mainly divided into a hollow section bar and a non-hollow section bar, and needs to be molded by using an intelligent section bar hot extrusion die in the production process of the intelligent section bar.

Hot extrusion, namely heating metal material to the hot forging forming temperature to extrude, namely heating the blank to the extrusion carried out at a temperature above the recrystallization temperature of the metal before the extrusion, wherein in the extrusion process of the traditional extrusion die, when the pressure is overlarge, the lower die is extremely easy to damage, the service life of the die is greatly reduced, and the extrusion quality is also influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long service life's hot extrusion die of intelligence section bar to propose hot extrusion in solving above-mentioned background art, it is exactly to heat metal material to the hot forging forming temperature and extrude, the extrusion that goes on under the certain temperature above the recrystallization temperature of metal is heated to the blank before the extrusion promptly, at traditional extrusion die extrusion in-process, when pressure is too big, the bed die is very easily damaged, make mould life greatly reduced, still can lead to the extrusion quality to receive the problem of influence.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a long service life's hot extrusion die of intelligent material, includes mould and bed die, the draw-in groove has all been seted up at the both ends at bed die top, two the equal block in inside of draw-in groove is connected with fixture block, two the top of fixture block and the both ends fixed connection of last mould bottom, first molding chamber has been seted up at the center of last mould bottom, the second molding chamber has been seted up at the center at bed die top, the top fixed mounting of first molding chamber inner wall has the mold core, the equal fixed mounting in bottom of second molding chamber inner wall both sides has the limiting plate, two the equal sliding connection in inside of limiting plate has the slider, two fixed mounting has the resist plate between the slider, the bottom fixed connection of reset spring and second molding chamber inner wall is passed through to the bottom of resist plate.

As a preferred technical scheme of the utility model, the bottom fixed mounting of first forming die cavity inner wall side has four backstop boards, four equal fixed mounting has the reposition of redundant personnel bridge, four between backstop board and the mold core the both sides of reposition of redundant personnel bridge all are wavy.

As a preferred technical scheme of the utility model, the equal fixed mounting in bottom of going up the mould both sides has first connecting plate, the equal fixed mounting in top of bed die both sides has the second connecting plate, two one side of first connecting plate is passed through clamping bolt respectively with one side fixed connection of two second connecting plates.

As a preferred technical scheme of the utility model, two spacing grooves of seting up on the limiting plate and the equal fixed mounting in both sides of two slider junctions have the shell fragment.

As an optimal technical scheme of the utility model, the bottom of mold core is passed second one-tenth die cavity fixed mounting and is had the reinforcing plate, the fixed surface of reinforcing plate installs a plurality of strengthening rib.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the flow dividing bridge is designed in a wave-shaped structure, so that the impact resistance of the flow dividing bridge is higher, and meanwhile, the downward extrusion speed of fluid is higher and the efficiency is higher due to the wave-shaped structure;

2. the arrangement of the pressure-resistant plate and the reinforcing plate avoids damage to the lower die and the die core caused by overlarge pressure in the extrusion process, and prolongs the service life of the hot extrusion die.

Drawings

Fig. 1 is a front sectional view of the present invention;

fig. 2 is a bottom view of the upper mold of the present invention;

fig. 3 is a connection diagram of the pressure-resistant plate and the sliding block of the present invention.

In the figure: 1. an upper die; 2. a first connecting plate; 3. clamping the bolt; 4. a second connecting plate; 5. a lower die; 6. a card slot; 7. a clamping block; 8. a second molding cavity; 9. a pressure resistant plate; 10. A limiting plate; 11. a limiting groove; 12. a spring plate; 13. a mold core; 14. a stopper plate; 15. a shunt bridge; 16. a reinforcing plate; 17. reinforcing ribs; 18. a slider; 19. a return spring.

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.

Please refer to fig. 1-3, the utility model provides a long service life's hot extrusion die of intelligent material, including last mould 1 and bed die 5, draw-in groove 6 has all been seted up at the both ends at bed die 5 top, the equal block in inside of two draw-in grooves 6 is connected with fixture block 7, the top of two fixture blocks 7 and the both ends fixed connection of last mould 1 bottom, first one-tenth die cavity has been seted up at the center of going up mould 1 bottom, second one-tenth die cavity 8 has been seted up at the center at bed die 5 top, the top fixed mounting of first one-tenth die cavity inner wall has mold core 13, the equal fixed mounting in bottom of 8 inner wall both sides of second one-tenth die cavity has limiting plate 10, the equal sliding connection in inside of two limiting plates 10 has slider 18, fixed mounting has resistance to compression plate 9 between two sliders 18, the bottom fixed connection of

reset spring

19 and 8 inner walls of second one-tenth die cavity is passed through to resistance to compression plate 9's bottom.

Preferably, four stop plates 14 are fixedly mounted at the bottom of the side face of the inner wall of the first molding cavity, a shunt bridge 15 is fixedly mounted between each of the four stop plates 14 and the mold core 13, the two sides of each of the four shunt bridges 15 are wavy, and the shunt bridge 15 is designed to be of a wave-shaped structure, so that the shock resistance of the shunt bridge 15 is higher, and meanwhile, the wave-shaped structure can enable the downward extrusion speed of fluid to be higher, and the efficiency is higher.

Preferably, the bottom of the two sides of the upper die 1 is fixedly provided with a first connecting plate 2, the top of the two sides of the lower die 5 is fixedly provided with a second connecting plate 4, one side of the two first connecting plates 2 is fixedly connected with one side of the two second connecting plates 4 through clamping bolts 3, and the arrangement of the connecting plates increases the sealing performance between the dies.

Preferably, the elastic pieces 12 are fixedly mounted on two sides of the joints of the two limiting grooves 11 and the two sliding blocks 18, which are formed in the limiting plate 10, and the arrangement of the elastic pieces 12 enhances the stability between the limiting grooves 11 and the sliding blocks 18.

Preferably, a reinforcing plate 16 is fixedly arranged at the bottom of the mold core 13 through the second molding cavity 8, a plurality of reinforcing ribs 17 are fixedly arranged on the surface of the reinforcing plate 16, and the arrangement of the reinforcing plate 16 enhances the compression resistance of the mold core 13.

When the intelligent section hot extrusion die is used specifically, a user puts an intelligent section needing hot extrusion in a second forming cavity 8 in a lower die 5, an upper die 1 and the lower die 5 are aligned through a clamping block 7 and a clamping groove 6, the user rotates a clamping bolt 3 to shorten the distance between a first connecting plate 2 and a second connecting plate 4, the sealing property between the dies is improved, the user carries out hot extrusion, a compression plate 9 is driven to slide downwards under the action of a sliding block 18 after being pressed, a limiting groove 11 on the limiting plate 10 has a limiting effect, a reset spring 19 rebounds after being pressed to the maximum degree, the elastic sheet 12 is arranged to enhance the stability between the limiting groove 11 and the sliding block 18, when the die core 13 is pressed, a reinforcing plate 16 improves the hardness of the die core 13 and enhances the pressure resistance of the die core, a shunting bridge 15 in the upper die 1 is installed, a wave-shaped structural design is adopted, the impact resistance of the shunt bridge 15 is higher, and meanwhile, the wave-shaped structure can enable the downward extrusion speed of the fluid to be higher, and the efficiency is higher.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a long service life's intelligence section bar hot extrusion die, includes mould (1) and bed die (5), its characterized in that: clamping grooves (6) are respectively arranged at two ends of the top of the lower die (5), clamping blocks (7) are respectively clamped and connected in the two clamping grooves (6), the tops of the two clamping blocks (7) are fixedly connected with two ends of the bottom of the upper die (1), a first molding cavity is arranged at the center of the bottom of the upper mold (1), a second molding cavity (8) is arranged at the center of the top of the lower mold (5), the top of the inner wall of the first molding cavity is fixedly provided with a mold core (13), the bottoms of two sides of the inner wall of the second molding cavity (8) are respectively fixedly provided with a limiting plate (10), the insides of the two limiting plates (10) are respectively connected with a sliding block (18) in a sliding manner, a pressure resisting plate (9) is fixedly arranged between the two sliding blocks (18), the bottom of the pressure resisting plate (9) is fixedly connected with the bottom of the inner wall of the second molding cavity (8) through a return spring (19).

2. The long-service-life intelligent section bar hot extrusion die as claimed in claim 1, wherein: four stop plates (14) are fixedly mounted at the bottom of the side face of the inner wall of the first molding cavity, four shunt bridges (15) are fixedly mounted between the stop plates (14) and the mold core (13), and the two sides of each shunt bridge (15) are wavy.

3. The long-service-life intelligent section bar hot extrusion die as claimed in claim 1, wherein: the bottom of the two sides of the upper die (1) is fixedly provided with a first connecting plate (2), the top of the two sides of the lower die (5) is fixedly provided with a second connecting plate (4), and one side of the first connecting plate (2) is fixedly connected with one side of the two second connecting plates (4) through a clamping bolt (3).

4. The long-service-life intelligent section bar hot extrusion die as claimed in claim 1, wherein: elastic pieces (12) are fixedly arranged on two sides of the joint of the two limiting grooves (11) and the two sliding blocks (18) which are formed in the limiting plate (10).

5. The long-service-life intelligent section bar hot extrusion die as claimed in claim 1, wherein: the bottom of the mold core (13) penetrates through the second molding cavity (8) and is fixedly provided with a reinforcing plate (16), and the surface of the reinforcing plate (16) is fixedly provided with a plurality of reinforcing ribs (17).