CN110280739A - A kind of low pressure casting process units - Google Patents

A kind of low pressure casting process units Download PDF

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Publication number
CN110280739A
CN110280739A CN201910607731.5A CN201910607731A CN110280739A CN 110280739 A CN110280739 A CN 110280739A CN 201910607731 A CN201910607731 A CN 201910607731A CN 110280739 A CN110280739 A CN 110280739A
Authority
CN
China
Prior art keywords
wall
crucible
low pressure
casting process
sealing cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201910607731.5A
Other languages
Chinese (zh)
Inventor
温基格
温福裕
温基强
柯阅军
纪海山
杨尧
温基荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Gongchao Nonferrous Metal Casting Co Ltd
Original Assignee
Hubei Gongchao Nonferrous Metal Casting Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei Gongchao Nonferrous Metal Casting Co Ltd filed Critical Hubei Gongchao Nonferrous Metal Casting Co Ltd
Priority to CN201910607731.5A priority Critical patent/CN110280739A/en
Publication of CN110280739A publication Critical patent/CN110280739A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00Pressure casting; Vacuum casting
    • B22D18/04Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D2/00Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)

Abstract

The invention discloses a kind of low pressure casting process units, including bottom plate, the top exterior walls of the bottom plate are set there are three support base, and the top exterior walls of three support bases are equipped with the same crucible, the top inner wall of the crucible is equipped with sealing cover, and the bottom interior wall of sealing cover is equipped with baroceptor, the top exterior walls of the sealing cover are equipped with relief tube, and the outer wall of relief tube is equipped with relief valve, the side outer wall of the crucible is equipped with pressure gauge, the outer wall of the crucible is equipped with heating layer, and the inner wall of heating layer is equipped with electric heating wire, the other side outer wall of the crucible is equipped with air inlet pipe, and the another of air inlet pipe is socketed with sealing shroud.The present invention is by being provided with baroceptor, pressure gauge, relief tube and relief valve, in production process, monitor the pressure condition inside crucible in real time by baroceptor and pressure gauge, it is ensured that the pressure inside crucible is lower than its highest pressure-bearing value, improves the safety in production process.

Description

A kind of low pressure casting process units
Technical field
The present invention relates to Low Pressure Casting Technology field more particularly to a kind of low pressure casting process units.
Background technique
Low pressure casting refers to that casting mold is generally mounted to above the crucible of sealing, is passed through compressed air in crucible, in melting gold Low-pressure (0.06~0.15MPa) is caused on the surface of category, and molten metal is made to rise filling cast by stalk and control solidification Casting method.This casting method feeding is good, and cast structure is fine and close, is easy to cast out the casting of large thin-wall complexity, without emitting Mouthful, recovery rate of iron is up to 95%.It is pollution-free, easily realize automation.But cost of equipment is higher, and production efficiency is lower.It is generally used for Cast nonferrous alloy.
There are shortcomings for existing low pressure casting process units: low pressure casting process units needs to fill into crucible Gas, however in existing low pressure casting process units, there is no addition pressure test device inside crucible, also there is no have pressure release Component, this is easy for the excessive bearing capacity range beyond crucible of pressure occur, is easy to appear safety accident.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of low pressure casting proposed produces dress It sets.
To achieve the goals above, present invention employs following technical solutions:
A kind of low pressure casting process units, including bottom plate, the top exterior walls of the bottom plate are set there are three support base, and three The top exterior walls of support base are equipped with the same crucible, and the top inner wall of the crucible is equipped with sealing cover, and in the bottom of sealing cover Wall is equipped with baroceptor, and the top exterior walls of the sealing cover are equipped with relief tube, and the outer wall of relief tube is equipped with relief valve, described The side outer wall of crucible is equipped with pressure gauge.
Further, the outer wall of the crucible is equipped with heating layer, and the inner wall of heating layer is equipped with electric heating wire.
Further, the other side outer wall of the crucible is equipped with air inlet pipe, and the another of air inlet pipe is socketed with sealing shroud.
Further, the top exterior walls of the sealing cover are equipped with lower mold, and the top exterior walls of lower mold are placed with upper mold Tool.
Further, the sealing cover and lower mold are provided with the through-hole of same specification, and the inner wall of through-hole is equipped with stalk.
Further, the top exterior walls of the sealing cover are equipped with feed pipe, and the inner wall of feed pipe is equipped with pipe close.
Further, the inner wall that the lower mold is located at stalk two sides is provided with groove, and the inner wall of two grooves is equal Equipped with hydraulic stem, the opposite side outer wall of two hydraulic stems is equipped with push plate, and two hydraulic stems are connected with synchronization hydraulic system.
The invention has the benefit that
1, by being provided with baroceptor, pressure gauge, relief tube and relief valve, in production process, pass through air pressure sensing Pressure condition inside device and pressure gauge real time monitoring crucible, it is ensured that the pressure inside crucible is lower than its highest pressure-bearing value, improves Safety in production process.
2, by being provided with heating layer and electric heating wire, crucible internal reservoir is metal melt, the mistake produced Cheng Zhong heats it by electric heating wire, is kept molten by it, avoids the occurrence of solidification phenomenon blocking stalk, protects Card production process is normally carried out.
3, it by being provided with hydraulic stem, groove and push plate, after the cavity inside mold and upper mold has been filled instantly, adjusts Hydraulic stem avoids the liquid in the metal liquid and cavity in stalk so that the junction of stalk and cavity is blocked in push plate Body contact, accelerates the liquid cooling velocity in cavity.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for low pressure casting process units that embodiment 1 proposes;
Fig. 2 is a kind of long crucible structure schematic diagram for low pressure casting process units that embodiment 1 proposes;
Fig. 3 is a kind of structural schematic diagram for low pressure casting process units that embodiment 2 proposes.
In figure: mold, 8- gas under 1- bottom plate, 2- crucible, 3- sealing shroud, 4- air inlet pipe, 5- sealing cover, 6- upper mold, 7- Pressure sensor, 9- pipe close, 10- relief valve, 11- relief tube, 12- pressure gauge, 13- feed pipe, 14- stalk, 15- electric heating Silk, 16- heating layer, 17- support base, 18- hydraulic stem, 19- push plate, 20- groove.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
The embodiment of this patent is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and is only used for explaining this patent, and cannot be understood as a limitation of this patent.
In the description of this patent, it is to be understood that term " center ", "upper", "lower", "front", "rear", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure Orientation or positional relationship, be merely for convenience of description this patent and simplify description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.
In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, set It sets, or is integrally connected, is arranged.For the ordinary skill in the art, above-mentioned art can be understood as the case may be The concrete meaning of language in this patent.
Embodiment 1
Referring to Fig.1-2, a kind of low pressure casting process units, including bottom plate 1, the top exterior walls of bottom plate 1 are fixed by screw There are three support bases 17, and the top exterior walls of three support bases 17 are fixed with the same crucible 2, the top of crucible 2 by screw Inner wall is equipped with sealing cover 5, and the bottom interior wall of sealing cover 5 is fixed with baroceptor 8 by screw, outside the top of sealing cover 5 Wall has a relief tube 11 by flanged joint, and the outer wall of relief tube 11 has a relief valve 10 by flanged joint, outside the side of crucible 2 Wall is fixed with pressure gauge 12 by screw, in production process, is monitored in real time in crucible 2 by baroceptor 8 and pressure gauge 12 The pressure condition in portion, it is ensured that the pressure inside crucible 2 is lower than its highest pressure-bearing value, improves the safety in production process.
Wherein, the outer wall of crucible 2 is equipped with heating layer 16, and the inner wall of heating layer 16 is equipped with electric heating wire 15, inside crucible 2 Storage is metal melt, during being produced, is heated by electric heating wire 15 to it, it is made to keep molten State avoids the occurrence of solidification phenomenon blocking stalk 14, guarantees that production process is normally carried out.
Wherein, the other side outer wall of crucible 2 has air inlet pipe 4 by flanged joint, and the another of air inlet pipe 4 is socketed with sealing Set 3.
Wherein, the top exterior walls of sealing cover 5 are fixed with lower mold 7 by screw, and the top exterior walls of lower mold 7 are placed with Upper mold 6.
Wherein, sealing cover 5 and lower mold 7 are provided with the through-hole of same specification, and the inner wall of through-hole is plugged with stalk 14.
Wherein, the top exterior walls of sealing cover 5 have feed pipe 13 by flanged joint, and the inner wall of feed pipe 13 is plugged with pipe Plug 9.
Working principle: in low pressure casting production process, by air inlet pipe 4 to 2 inside filling gas of crucible, while electric heating Silk 15 is powered, and heats to the metal liquid inside crucible 2, is kept molten by it, and metal liquid is entered by stalk 14 In the cavity that upper mold 6 and lower mold 7 are formed, start casting process, the air pressure inside crucible 2 is delivered to by baroceptor 8 Control terminal carries out the reflection of pressure by pressure gauge 12, guarantees that the pressure inside crucible 2 does not exceed the maximum pressure-bearing of crucible 2, To guarantee 2 trouble free service of crucible.
Embodiment 2
Referring to Fig. 3, a kind of low pressure casting process units, compared to embodiment 1, lower mold 7 is located at 14 two sides of stalk Inner wall is provided with groove 20, and the inner wall of two grooves 20 passes through screw and is fixed with hydraulic stem 18, the phase of two hydraulic stems 18 Screw is passed through to side outer wall and is fixed with push plate 19, two hydraulic stems 18 are connected with synchronization hydraulic system, instantly mold 7 and upper After cavity inside mold 6 has been filled, hydraulic stem 18 is adjusted, so that stalk 14 and the junction of cavity are blocked in push plate 19, It avoids the metal liquid in stalk 14 from contacting with the liquid in cavity, accelerates the liquid cooling velocity in cavity.
Working principle: in low pressure casting production process, by air inlet pipe 4 to 2 inside filling gas of crucible, while electric heating Silk 15 is powered, and heats to the metal liquid inside crucible 2, is kept molten by it, and metal liquid is entered by stalk 14 In the cavity that upper mold 6 and lower mold 7 are formed, start casting process, then adjust hydraulic stem 18 make push plate 19 by cavity and Connectivity points between stalk 14 are separated, and the air pressure inside crucible 2 is delivered to control terminal by baroceptor 8, pass through pressure Power table 12 carries out the reflection of pressure, guarantees that the pressure inside crucible 2 does not exceed the maximum pressure-bearing of crucible 2, to guarantee crucible 2 Trouble free service.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (7)

1. a kind of low pressure casting process units, including bottom plate (1), which is characterized in that the top exterior walls of the bottom plate (1) are equipped with three A support base (17), and the top exterior walls of three support bases (17) are equipped with the same crucible (2), in the top of the crucible (2) Wall is equipped with sealing cover (5), and the bottom interior wall of sealing cover (5) is equipped with baroceptor (8), outside the top of the sealing cover (5) Wall is equipped with relief tube (11), and the outer wall of relief tube (11) is equipped with relief valve (10), and the side outer wall of the crucible (2) is equipped with pressure Power table (12).
2. a kind of low pressure casting process units according to claim 1, which is characterized in that the outer wall of the crucible (2) is set Have heating layer (16), and the inner wall of heating layer (16) is equipped with electric heating wire (15).
3. a kind of low pressure casting process units according to claim 1, which is characterized in that the other side of the crucible (2) Outer wall is equipped with air inlet pipe (4), and the another of air inlet pipe (4) is socketed with sealing shroud (3).
4. a kind of low pressure casting process units according to claim 1, which is characterized in that the top of the sealing cover (5) Outer wall is equipped with lower mold (7), and the top exterior walls of lower mold (7) are placed with upper mold (6).
5. a kind of low pressure casting process units according to claim 4, which is characterized in that the sealing cover (5) and lower die Tool (7) is provided with the through-hole of same specification, and the inner wall of through-hole is equipped with stalk (14).
6. -5 any a kind of low pressure casting process units according to claim 1, which is characterized in that the sealing cover (5) Top exterior walls be equipped with feed pipe (13), and the inner wall of feed pipe (13) be equipped with pipe close (9).
7. a kind of low pressure casting process units according to claim 5, which is characterized in that the lower mold (7), which is located at, to rise The inner wall of liquid pipe (14) two sides is provided with groove (20), and the inner wall of two grooves (20) is equipped with hydraulic stem (18), two liquid The opposite side outer wall of compression bar (18) is equipped with push plate (19), and two hydraulic stems (18) are connected with synchronization hydraulic system.
CN201910607731.5A 2019-07-08 2019-07-08 A kind of low pressure casting process units Withdrawn CN110280739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910607731.5A CN110280739A (en) 2019-07-08 2019-07-08 A kind of low pressure casting process units

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910607731.5A CN110280739A (en) 2019-07-08 2019-07-08 A kind of low pressure casting process units

Publications (1)

Publication Number Publication Date
CN110280739A true CN110280739A (en) 2019-09-27

Family

ID=68020800

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910607731.5A Withdrawn CN110280739A (en) 2019-07-08 2019-07-08 A kind of low pressure casting process units

Country Status (1)

Country Link
CN (1) CN110280739A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112362222A (en) * 2020-11-09 2021-02-12 哈尔滨晶创科技有限公司 Pressure monitoring system for single crystal growth process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112362222A (en) * 2020-11-09 2021-02-12 哈尔滨晶创科技有限公司 Pressure monitoring system for single crystal growth process
CN112362222B (en) * 2020-11-09 2022-03-04 哈尔滨晶创科技有限公司 Pressure monitoring system for single crystal growth process

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Application publication date: 20190927