CN215697891U

CN215697891U - Extrusion die for thermal production of aluminum alloy section

Info

Publication number: CN215697891U
Application number: CN202122174435.6U
Authority: CN
Inventors: 王德秋
Original assignee: Suzhou Qianqiu Mould Co ltd
Current assignee: Suzhou Qianqiu Mould Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-01
Anticipated expiration: 2031-09-09

Abstract

The utility model is suitable for the technical field of design of aluminum alloy profile hot extrusion dies, and provides an extrusion die for hot production of aluminum alloy profiles, which comprises an upper die and a lower die, wherein the upper die is designed in a concave shape, the lower die is arranged right below the upper die, symmetrical lifting buttons are respectively arranged at positions above two sides of the lower die, the lifting buttons transmit opening or closing information to a single chip microcomputer, the single chip microcomputer controls a condenser for cooling the profiles, a hydraulic cylinder for controlling the upper die to lift and a lifting platform for performing preliminary demoulding on the profiles to start working, and links of cooling, shaping and preliminary demoulding are realized; a condensation link is additionally arranged, so that the mold is helped to be rapidly cooled, and the phenomenon that the surface of the section is easily damaged due to overhigh temperature when the section falls off is avoided; newly-increased single chip microcomputer control link through the settlement to the moulding required time of section bar and to the monitoring of condensate water temperature degree, guarantees that the section bar is after moulding completion and cooling to the uniform temperature, carries out preliminary drawing of patterns by the elevating platform again, economic safety more.

Description

Extrusion die for thermal production of aluminum alloy section

Technical Field

The utility model belongs to the technical field of design of aluminum alloy profile hot extrusion dies, and particularly relates to an extrusion die for hot production of aluminum alloy profiles.

Background

Hot extrusion is extrusion by heating a metal material to a hot forging temperature, i.e., extrusion by heating a billet to a temperature above the recrystallization temperature of the metal before extrusion, and an extrusion die for hot production of an aluminum alloy profile is a die for hot extrusion molding of an aluminum alloy fluid.

Traditional aluminum alloy ex-trusions is extrusion die for hot production, direct manual work or machine drawing of patterns after moulding completion, easily wear and tear the section bar surface like this, and the section bar is too high at preliminary moulding end back temperature simultaneously, and direct drawing of patterns also causes the damage to the section bar surface easily this moment.

SUMMERY OF THE UTILITY MODEL

The utility model provides an extrusion die for thermal production of aluminum alloy sections, and aims to solve the problems in the background art.

The extrusion die for the thermal production of the aluminum alloy section comprises an upper die with a concave design and a lower die arranged right below the upper die, wherein symmetrical lifting buttons are respectively arranged at the positions above two sides of the lower die, the lifting buttons transmit opening or closing information to a single chip microcomputer, and the single chip microcomputer controls a condenser for cooling the section, a hydraulic cylinder for controlling the upper die to lift and a lifting platform for performing primary demolding on the section to work, so that the links of cooling, shaping and primary demolding are realized.

Preferably, the fixed welding of recess bottom of going up the mould has unable adjustment base, unable adjustment base passes through fixing device to be fixed the connecting rod in the recess of going up the mould, the pneumatic cylinder passes through the connecting rod with go up mould interconnect, place the baffle that an area is greater than the recess area directly over going up the mould, go up the mould with form the plastic chamber between the bed die for form the section bar after the extrusion.

Preferably, the fixing device is composed of a gasket, a nut and a bolt, the bolt penetrates through the fixing base, and the gasket is placed between the fixing base and the nut.

Preferably, the lifting platform is arranged at the bottom of the inner side of the lower die, a gravity sensor is arranged on the upper surface of the lifting platform, a hydraulic rod is connected to the bottom of the lifting platform, the single chip microcomputer is arranged at the upper left of the lower die, and the condenser is arranged at the upper right of the lower die.

Preferably, the inside round cooling pipe that is provided with of bed die, the cooling pipe upper right side is connected the condenser, just the cooling pipe upper left side is connected with the outlet pipe, the originated department of outlet pipe is provided with temperature sensor, the fast cold box of outlet pipe tail department connection.

Preferably, the metal heat exchange plates are arranged inside the quick cooling box and are mutually separated by the supporting rod, a water pump is arranged at the outlet of the quick cooling box and is connected with a water inlet pipe, and the other end of the water inlet pipe is connected with a condenser.

Compared with the prior art, the utility model has the beneficial effects that: according to the extrusion die for the thermal production of the aluminum alloy section, a condensation link is additionally arranged on the basis of the extrusion die, so that the die is helped to be rapidly cooled, and the phenomenon that the surface of the section is easily damaged due to overhigh temperature when the section falls off is avoided; newly-increased single chip microcomputer control link, through the settlement to the moulding required time of section bar and to the monitoring of condensate water temperature degree, guarantee that the section bar just cools off after certain temperature after moulding completion, carry out preliminary drawing of patterns by the elevating platform again, economic safety more.

Drawings

FIG. 1 is a schematic sectional view of the lift platform of the present invention being raised;

FIG. 2 is a schematic cross-sectional view of the present invention with the lift platform not raised;

FIG. 3 is an enlarged view taken at A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of FIG. 1 at B in the present invention;

in the figure: 1. an upper die; 2. a lower die; 3. a hydraulic cylinder; 4. a connecting rod; 5. a plastic cavity; 6. a lifting button; 7. a single chip microcomputer; 8. a temperature sensor; 9. a condenser; 10. a water inlet pipe; 11. a water outlet pipe; 12. a water pump; 13. a lifting platform; 14. a quick cooling box; 15. a metal heat exchange plate; 16. a support bar; 17. a cooling duct; 18. a fixed base; 19. a gasket; 20. a nut; 21. a bolt; 22. a hydraulic lever; 23. a baffle plate; 24. a gravity sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an extrusion die is used in aluminium alloy ex-trusions heat production, including the last mould 1 of spill design and set up bed die 2 under last mould 1, the position department of 2 both sides tops of bed die respectively sets up a symmetrical lifting button 6, lifting button 6 gives singlechip 7 with the information transfer of opening or closing, singlechip 7 control is used for carrying out refrigerated condenser 9 to the section bar, a hydraulic cylinder 3 that is used for controlling the lift of mould 1 and the elevating platform 13 that is used for carrying out the drawing of patterns to the section bar begin work, realize the cooling, moulding and preliminary drawing of patterns link.

In the embodiment, when two lifting buttons 6 are pressed simultaneously, the singlechip 7 receives the information, controls the condenser 9 to start to work continuously, and sends condensed water into the cooling pipeline 17 to cool the section. After the aluminum alloy fluid is injected into the plastic cavity 5, the single chip microcomputer 7 controls the hydraulic cylinder 3 to enable the upper die 1 to descend, the profile begins to be molded, and after the profile is molded, the single chip microcomputer 7 controls the lifting platform 13 to lift up to perform preliminary demolding on the profile.

In addition, when two lifting button 6 pressed simultaneously, singlechip 7 began the timing, and the time is set for the moulding required time of aluminum alloy fluid, and after the time, singlechip 7 judges whether up to standard the temperature of outlet pipe 11 department, then control pneumatic cylinder 3 after up to standard, makes upper die 1 rise, and lifting button 6's symmetrical design, guarantees in process of production that the mistake can not appear and presses the button and cause the occurence of failure, and is safer.

Further, the fixed welding of recess bottom of going up mould 1 has unable adjustment base 18, and unable adjustment base 18 passes through fixing device to fix connecting rod 4 in the recess of last mould 1, and pneumatic cylinder 3 passes through connecting rod 4 and last mould 1 interconnect, and a baffle 23 that the area is greater than the recess area is placed directly over going up mould 1, forms between last mould 1 and the bed die 2 and moulds the chamber 5 for form the section bar after the extrusion.

In the present embodiment, after the aluminum alloy fluid is injected into the lower shaping cavity 5, the upper die 1 and the lower die 2 extrude the aluminum alloy fluid together, so as to achieve the purpose of shaping in the shaping cavity 5; the baffle 23 prevents other impurities from entering the groove of the upper die 1.

Further, the fixing device is composed of a gasket 19, a nut 20 and a bolt 21, the bolt 21 penetrates through the fixing base 18, and the gasket 19 is placed between the fixing base 18 and the nut 20.

In this embodiment, the washer 19, the nut 20, the bolt 21 and the fixing base 18 are engaged with each other to fix the tie rod 4 to the bottom of the groove of the upper mold 1. The gasket 19 is arranged to increase the contact area with the nut 20, reduce the pressure of the nut 20 on the fixed base 18, protect the fixed base 18 and the bolt 21, and prevent the bolt 21 from loosening; meanwhile, the fixing device is easy to disassemble, and the hydraulic cylinder 3 is convenient to overhaul and maintain.

Further, the lifting platform 13 is arranged at the bottom of the inner side of the lower die 2, the gravity sensor 24 is arranged on the upper surface of the lifting platform 13, the hydraulic rod 22 is connected to the bottom of the lifting platform 13, the single chip microcomputer 7 is installed at the upper left of the lower die 2, and the condenser 9 is installed at the upper right of the lower die 2.

In the embodiment, the single chip microcomputer 7 controls the hydraulic rod 22 to lift the lifting platform 13 through the lifting buttons 6, when the two lifting buttons 6 are pressed and released simultaneously, the single chip microcomputer 7 controls the hydraulic rod 22 to lift, the lifting platform 13 rises, and the effect of primary demoulding is achieved on the section; when the section bar is taken away, the lifting platform 13 loses the pressure of the section bar on the lifting platform, the gravity sensor 24 transmits the information to the single chip microcomputer 7, the single chip microcomputer 7 controls the hydraulic rod 22 to contract, and the lifting platform 13 descends.

Further, a circle of cooling pipeline 17 is arranged inside the lower die 2, the condenser 9 is connected to the upper right of the cooling pipeline 17, a water outlet pipe 11 is connected to the upper left of the cooling pipeline 17, a temperature sensor 8 is arranged at the starting position of the water outlet pipe 11, and a quick cooling box 14 is connected to the tail of the water outlet pipe 11.

In this embodiment, the condensed water in the cooling pipeline 17 helps the section bar to be cooled down quickly, the temperature sensor 8 is used for monitoring the water temperature at the starting position of the water outlet pipe 11, when the water temperature reaches the set temperature, the singlechip 7 can judge whether the shaping time of the aluminum alloy fluid is finished, and the hydraulic cylinder 3 is controlled to enable the upper die 1 to rise after the shaping time is finished.

Furthermore, metal heat exchange plates 15 are arranged inside the quick cooling box 14, the metal heat exchange plates 15 are separated from each other through support rods 16, a water pump 12 is arranged at the outlet of the quick cooling box 14, the water pump 12 is connected with a water inlet pipe 10, and the other end of the water inlet pipe 10 is connected with a condenser 9.

In the embodiment, the metal heat exchange plates 15 form a channel through the support rods 16, heat exchange is performed on water flowing into the rapid cooling box 14 through the metal plates, so that first-step cooling is completed, the water flowing out of the rapid cooling box 14 is fed into the condenser 9 through the water inlet pipe 10 by the water pump 12, the water flowing into the water inlet pipe 10 is cooled by the condenser 9 in a second step, and then cooled condensate water is fed into the cooling pipeline 17, so that condensate water circulation is completed.

In the present embodiment, the operation principle and the use flow of the present invention are as follows: after the aluminum alloy fluid is installed, the aluminum alloy fluid is injected into the plastic cavity 5, after the injection is completed, the single chip microcomputer 7 controls the hydraulic cylinder 3 to enable the upper die 1 to descend, the aluminum alloy fluid starts to be extruded, the two lifting buttons 6 are closed, the single chip microcomputer 7 starts to shape and time the aluminum alloy fluid, meanwhile, the condenser 9 is controlled to work, condensed water is sent into the cooling pipeline 17 to cool the section bar, the section bar can quickly reach the demolding temperature, and the surface of the section bar is prevented from being damaged.

After the shaping timing of the section bar is finished, the single chip microcomputer 7 monitors the temperature at the inlet of the water outlet pipe 11 through the temperature sensor 8, after the temperature reaches the set temperature, the single chip microcomputer 7 controls the hydraulic cylinder 3 to enable the upper die 1 to ascend, meanwhile, the two lifting buttons 6 are loosened, the single chip microcomputer 7 controls the hydraulic rod 22 to enable the lifting table 13 to ascend, and the section bar is subjected to preliminary demolding; after the section bar is taken away, the lifting platform 13 loses pressure, the gravity sensor 24 transmits information to the single chip microcomputer 7, the single chip microcomputer 7 controls the hydraulic rod 22 to contract, the lifting platform 13 descends, and then the next round of molding can be started.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an aluminum alloy ex-trusions is extrusion die for hot production which characterized in that: go up mould (1) and setting including the spill design and be in lower mould (2) under last mould (1), the position department of lower mould (2) both sides top respectively sets up a symmetrical lifting button (6), lifting button (6) give singlechip (7) with the information transfer of opening or closing, singlechip (7) control is used for carrying out refrigerated condenser (9), is used for control to the section bar go up pneumatic cylinder (3) that mould (1) goes up and down and be used for carrying out the elevating platform (13) work of preliminary drawing of patterns to the section bar for the cooling of section bar, moulding and preliminary drawing of patterns link.

2. The extrusion die for hot production of aluminum alloy profiles as set forth in claim 1, wherein: go up the recess bottom fixed welding of mould (1) and have unable adjustment base (18), unable adjustment base (18) are fixed connecting rod (4) through fixing device in the recess of last mould (1), pneumatic cylinder (3) pass through connecting rod (4) with go up mould (1) interconnect, place baffle (23) that an area is greater than the recess area directly over last mould (1), go up mould (1) with form between lower mould (2) and mould chamber (5) for form the section bar after the extrusion.

3. The extrusion die for hot production of aluminum alloy profiles as set forth in claim 2, wherein: the fixing device is composed of a gasket (19), a nut (20) and a bolt (21), the bolt (21) penetrates through the fixing base (18), and the gasket (19) is placed between the fixing base (18) and the nut (20).

4. The extrusion die for hot production of aluminum alloy profiles as set forth in claim 1, wherein: elevating platform (13) set up the inboard bottom of bed die (2), elevating platform (13) upper surface is provided with gravity sensor (24), just elevating platform (13) bottom is connected with hydraulic stem (22), install singlechip (7) the upper left side of bed die (2), install condenser (9) the upper right side of bed die (2).

5. The extrusion die for hot production of aluminum alloy profiles as set forth in claim 1, wherein: the cooling device is characterized in that a circle of cooling pipeline (17) is arranged inside the lower die (2), the upper right side of the cooling pipeline (17) is connected with the condenser (9), the upper left side of the cooling pipeline (17) is connected with a water outlet pipe (11), a temperature sensor (8) is arranged at the starting position of the water outlet pipe (11), and a quick cooling box (14) is connected at the tail of the water outlet pipe (11).

6. The extrusion die for hot production of aluminum alloy profiles as set forth in claim 5, wherein: quick-cooling box (14) internally mounted has metal heat transfer board (15), just separate each other by bracing piece (16) between metal heat transfer board (15), water pump (12) are installed to quick-cooling box (14) exit, water pump (12) are connected with inlet tube (10), condenser (9) is connected to the other end of inlet tube (10).