CN212884508U

CN212884508U - High-precision high-speed hot extrusion die

Info

Publication number: CN212884508U
Application number: CN202021674054.3U
Authority: CN
Inventors: 戴建新
Original assignee: Changshu Lvyi Electrical Accessories Manufacturing Co ltd
Current assignee: Changshu Lvyi Electrical Accessories Manufacturing Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-04-06
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a high-precision high-speed hot extrusion die, which comprises a cylinder body, wherein the upper surface of the cylinder body is respectively provided with a die cavity and two limiting grooves, the upper surface of the cylinder body is symmetrically and fixedly connected with four first supporting rods, and the tops of the four first supporting rods are fixedly connected with a first plate body; through the collocation setting of spacing groove and stopper, when making the pneumatic cylinder promote the briquetting and push down, can restrict the position that the briquetting moved down, when making the bottom of stopper and the bottom contact of spacing groove, make the briquetting can't push down, thereby it is not enough to guarantee that the machined part is not excessively extruded or extrudeed, thereby guarantee the accuracy of product, through the setting of second body and water tank, pour into cold water into in the water tank is inside, can make the quick bottom to the die cavity of second body cooperation cold water cool down, retrieve the heat simultaneously and utilize, make machined part bottom reduce the cool time, avoid the product to warp, improve the product production speed.

Description

High-precision high-speed hot extrusion die

Technical Field

The utility model relates to a hot extrusion die technical field specifically is a high-accuracy high-speed hot extrusion die.

Background

Hot extrusion is extrusion by heating a metal material to a hot forging temperature, that is, extrusion by heating a billet to a temperature higher than the recrystallization temperature of the metal before extrusion. Generally, after a machine part is hot-extruded, machining such as cutting is performed to improve the dimensional accuracy and surface quality of the part.

The existing hot extrusion die is lack of a limiting device, in the actual use process, the pressing piece is different in pressing depth in the pressing process, so that the pressed depth of the workpiece is different, the precision of a product is influenced, when the top of the workpiece is formed, the bottom of the workpiece is lack of a cooling device, the cooling speed of a hot extrusion product is low, deformation or damage is easily caused in the ejection process, particularly the bottom of the product, the forming rate and the forming quality of the hot extrusion product are reduced, and the heat lost by the die is lack of a recovery device, so that energy waste is caused, therefore, the high-precision high-speed hot extrusion die is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-accuracy high-speed hot extrusion die to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-precision high-speed hot extrusion die comprises a cylinder body, wherein the upper surface of the cylinder body is respectively provided with a die cavity and two limiting grooves, the upper surface of the cylinder body is symmetrically and fixedly connected with four first supporting rods, the tops of the four first supporting rods are fixedly connected with a first plate body, the lower surface of the first plate body is in threaded connection with a hydraulic cylinder, a piston rod of the hydraulic cylinder is fixedly connected with a threaded rod, the bottom of the threaded rod is provided with a pressing block, the top of the pressing block is provided with a threaded hole, the outer side wall of the threaded rod is in threaded connection with the inside of the threaded hole, the outer side wall of the pressing block is symmetrically and fixedly connected with two limiting blocks, one side of the cylinder body is provided with a water tank, one side of the water tank is symmetrically communicated with two second pipe bodies, the outer side, the bottom of the top hole is provided with a groove, one side, far away from the second pipe body, of the water tank is communicated with a third pipe body, and a first valve is installed on the outer side wall of the third pipe body.

As further preferable in the present technical solution: the column body and the bottom of the water tank are in threaded connection with a second plate body, and four corners of the bottom of the second plate body are symmetrically and evenly in threaded connection with universal wheels.

As further preferable in the present technical solution: the upper surface threaded connection of second plate body has the cylinder, the cylinder is located the inside of recess, the piston rod fixedly connected with thimble of cylinder.

As further preferable in the present technical solution: the bottom of one side of water tank communicates has the fourth body, the second valve is installed to the lateral wall of fourth body.

As further preferable in the present technical solution: the upper surface of the column body is symmetrically and fixedly connected with two second supporting rods, and the top of each second supporting rod is fixedly connected with an igniter.

As further preferable in the present technical solution: the gas inlet of the igniter is communicated with first pipe bodies, one ends, far away from the igniter, of the two first pipe bodies are provided with three-way pipes, one end of each three-way pipe is communicated with a fifth pipe body, one side of each cylinder is provided with a gas tank, the top of each gas tank is provided with a third valve, and the gas outlet of each third valve is communicated with one end of the corresponding fifth pipe body.

Compared with the prior art, the beneficial effects of the utility model are that: through the collocation setting of spacing groove and stopper, when making the pneumatic cylinder promote the briquetting and push down, can restrict the position that the briquetting moved down, when making the bottom of stopper and the bottom contact of spacing groove, make the briquetting can't push down, thereby it is not enough to guarantee that the machined part is not excessively extruded or extrudeed, thereby guarantee the accuracy of product, through the setting of second body and water tank, pour into cold water into in the water tank is inside, can make the quick bottom to the die cavity of second body cooperation cold water cool down, retrieve the heat simultaneously and utilize, make machined part bottom reduce the cool time, avoid the product to warp, improve the product production speed.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the water tank of the present invention;

fig. 3 is a schematic top view of the mold cavity of the present invention.

In the figure: 1. a cylinder; 2. a limiting groove; 3. a mold cavity; 4. a top hole; 5. a groove; 6. a cylinder; 7. a thimble; 8. briquetting; 9. a threaded hole; 10. a limiting block; 11. a threaded rod; 12. a hydraulic cylinder; 13. a first plate body; 14. a first support bar; 15. a second support bar; 16. an igniter; 17. a first pipe body; 18. a water tank; 19. a second tube body; 20. a third tube; 21. a first valve; 22. a fourth tube body; 23. a second valve; 24. a three-way pipe; 25. a fifth pipe body; 26. a third valve; 27. a gas tank; 28. a second plate body; 29. a universal wheel.

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.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a high-precision high-speed hot extrusion die comprises a cylinder body 1, wherein the upper surface of the cylinder body 1 is respectively provided with a die cavity 3 and two limiting grooves 2, the upper surface of the cylinder body 1 is symmetrically and fixedly connected with four first supporting rods 14, the tops of the four first supporting rods 14 are fixedly connected with a first plate body 13, the lower surface of the first plate body 13 is in threaded connection with a hydraulic cylinder 12, a piston rod of the hydraulic cylinder 12 is fixedly connected with a threaded rod 11, the bottom of the threaded rod 11 is provided with a pressing block 8, the top of the pressing block 8 is provided with a threaded hole 9, the outer side wall of the threaded rod 11 is in threaded connection with the inner part of the threaded hole 9, the outer side wall of the pressing block 8 is symmetrically and fixedly connected with two limiting blocks 10, one side of the cylinder body 1 is provided with a water tank 18, one side of the water tank 18 is symmetrically, the bottom of the top hole 4 is provided with a groove 5, one side of the water tank 18, which is far away from the second pipe body 19, is communicated with a third pipe body 20, and the outer side wall of the third pipe body 20 is provided with a first valve 21.

In this embodiment, specifically: the bottoms of the column body 1 and the water tank 18 are in threaded connection with a second plate body 28, and four corners of the bottom of the second plate body 28 are symmetrically and uniformly in threaded connection with universal wheels 29; the second plate 28 can support the column 1 and the water tank 18, and the universal wheel 29 is arranged to facilitate the movement of the device.

In this embodiment, specifically: the upper surface of the second plate body 28 is in threaded connection with a cylinder 6, the cylinder 6 is located inside the groove 5, and a piston rod of the cylinder 6 is fixedly connected with a thimble 7; through the arrangement of the air cylinder 6, the ejector pin 7 can be controlled to vertically move, so that a workpiece is ejected out.

In this embodiment, specifically: a fourth pipe 22 is communicated with the bottom of one side of the water tank 18, and a second valve 23 is arranged on the outer side wall of the fourth pipe 22; the circulation of the fourth pipe 22 can be controlled by the second valve 23, and the water in the water tank 18 can be recovered by the fourth pipe 22.

In this embodiment, specifically: two second support rods 15 are symmetrically and fixedly connected to the upper surface of the column body 1, and an igniter 16 is fixedly connected to the tops of the second support rods 15; the second support rod 15 can be used for fixing and supporting the igniter 16, and the top of the column body 1 can be subjected to combustion heating through the igniter 16.

In this embodiment, specifically: the gas inlet of the igniter 16 is communicated with first pipe bodies 17, one ends of the two first pipe bodies 17, which are far away from the igniter 16, are provided with three-way pipes 24, one end of each three-way pipe 24 is communicated with a fifth pipe body 25, one side of the column body 1 is provided with a gas tank 27, the top of the gas tank 27 is provided with a third valve 26, and the gas outlet of the third valve 26 is communicated with one end of the fifth pipe body 25; through the setting of gas jar 27, can provide fuel for some firearm 16, through the setting of third valve 26, can control the inside fuel of gas jar 27 and external circulation, through the setting of three-way pipe 24, can make fifth body 25 shunt through two first bodies 17.

In this embodiment: the specific model of the air cylinder 6 is SC80, the model of the hydraulic cylinder 12 is JYC, a switch group for respectively controlling the start and the stop of the air cylinder 6 and the hydraulic cylinder 12 is arranged on the outer side wall of one first supporting rod 14, and the switch group is connected with an external commercial power and used for supplying power to the air cylinder 6 and the hydraulic cylinder 12.

Working principle or structural principle, when in use, the first valve 21 is opened, water is injected into the water tank 18 through the third pipe body 20, the device is pushed to a working place, the universal wheel 29 is arranged to facilitate the movement of the device, the third valve 26 is communicated with the fifth pipe body 25, the third valve 26 is opened, the top of the cylinder body 1 and the inner side wall of the die cavity 3 are heated through the igniter 16, then the igniter 16 is closed, the heated workpiece is placed into the die cavity 3, the hydraulic cylinder 12 is started through the switch group, the hydraulic cylinder 12 is controlled to push the press block 8 to move downwards, so that the press block 8 carries out die-casting treatment on the workpiece, the limit block 10 is mutually matched with the limit groove 2, the limit block 10 enters the inside of the limit groove 2 after the press block 8 enters the inside of the die cavity 3, and the press block 8 cannot move downwards when the bottom of the limit block 10 is contacted with the bottom of the limit groove 2, thereby have spacing effect to briquetting 8, prevent that briquetting 8 from pushing down the distance not enough or push down excessively, make production more accurate, control pneumatic cylinder 12 resets briquetting 8, then control cylinder 6 through the switch block and start, make cylinder 6 through the inside of thimble 7 with the ejecting die cavity 3 of machined part, then take out the machined part, control cylinder 6 makes thimble 7 reset, then carry out the processing operation of next machined part, the inside cold water of second body 19 can be quick carry out heat and heat absorption to the bottom of die cavity 3, make the machined part cool off fast, retrieve the heat simultaneously and utilize, make the machined part bottom reduce the cool time, avoid the product to produce because of the bottom is overheated and warp or impaired in ejecting in-process, thereby improve product production speed, open second valve 23, can receive the water of heating from fourth body 22 and utilize.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-accuracy high-speed hot extrusion die, includes cylinder (1), its characterized in that: the upper surface of the cylinder (1) is respectively provided with a die cavity (3) and two limiting grooves (2), the upper surface of the cylinder (1) is symmetrically and fixedly connected with four first supporting rods (14), the top parts of the four first supporting rods (14) are fixedly connected with a first plate body (13), the lower surface of the first plate body (13) is in threaded connection with a hydraulic cylinder (12), a piston rod of the hydraulic cylinder (12) is fixedly connected with a threaded rod (11), the bottom of the threaded rod (11) is provided with a pressing block (8), the top part of the pressing block (8) is provided with a threaded hole (9), the outer side wall of the threaded rod (11) is in threaded connection with the inner part of the threaded hole (9), the outer side wall of the pressing block (8) is symmetrically and fixedly connected with two limiting blocks (10), one side of the cylinder (1) is provided with a water tank (18), and one side of the water tank (, two the lateral wall of second body (19) all is located the inside of cylinder (1), apical pore (4) have been seted up to the bottom of die cavity (3), the bottom of apical pore (4) is seted up flutedly (5), one side intercommunication that water tank (18) kept away from second body (19) has third body (20), first valve (21) are installed to the lateral wall of third body (20).

2. A high precision high speed hot extrusion die as set forth in claim 1, wherein: the bottom of the column body (1) and the bottom of the water tank (18) are in threaded connection with a second plate body (28), and four corners of the bottom of the second plate body (28) are symmetrically and evenly in threaded connection with universal wheels (29).

3. A high precision high speed hot extrusion die as set forth in claim 2, wherein: the upper surface threaded connection of second plate body (28) has cylinder (6), cylinder (6) are located the inside of recess (5), the piston rod fixedly connected with thimble (7) of cylinder (6).

4. A high precision high speed hot extrusion die as set forth in claim 1, wherein: the bottom of one side of the water tank (18) is communicated with a fourth pipe body (22), and a second valve (23) is installed on the outer side wall of the fourth pipe body (22).

5. A high precision high speed hot extrusion die as set forth in claim 1, wherein: the upper surface of the column body (1) is symmetrically and fixedly connected with two second supporting rods (15), and the top of each second supporting rod (15) is fixedly connected with an igniter (16).

6. A high precision high speed hot extrusion die as set forth in claim 5, wherein: the gas inlet of point firearm (16) communicates with first body (17), two first body (17) are kept away from the one end of point firearm (16) is installed three-way pipe (24), the one end of three-way pipe (24) communicates with fifth body (25), one side of cylinder (1) is equipped with gas tank (27), third valve (26) are installed at the top of gas tank (27), the gas outlet of third valve (26) with the one end intercommunication of fifth body (25).