CN203265584U - Flexible feeding elastic pressure-applying device for pressure casting forming - Google Patents

Flexible feeding elastic pressure-applying device for pressure casting forming Download PDF

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Publication number
CN203265584U
CN203265584U CN 201320268990 CN201320268990U CN203265584U CN 203265584 U CN203265584 U CN 203265584U CN 201320268990 CN201320268990 CN 201320268990 CN 201320268990 U CN201320268990 U CN 201320268990U CN 203265584 U CN203265584 U CN 203265584U
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CN
China
Prior art keywords
seat
seat ring
pressure
flexible feeding
compensation
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Withdrawn - After Issue
Application number
CN 201320268990
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Chinese (zh)
Inventor
郑伟刚
刘志军
阳鑫
李春龙
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Guizhou University
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Guizhou University
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.)
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Publication date
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Priority to CN 201320268990 priority Critical patent/CN203265584U/en
Application granted granted Critical
Publication of CN203265584U publication Critical patent/CN203265584U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a flexible feeding elastic pressing device for pressure casting forming. The flexible feeding elastic pressing device for pressure casting forming comprises a seat sleeve arranged on a pressure casting die, a T-shaped ejecting rod is arranged in a through hole of the seat sleeve, the T-shaped ejecting rod is sleeved with a compressing spring and a seat ring capable of sliding in the through hole of the seat sleeve, a pressure adjusting nut is connected to threads at the front end of the T-shaped ejecting rod and limits the compressing spring and the seat ring on the T-shaped ejecting rod, a compensation pressing block is connected to the seat ring through threads, the compensation pressing block covers the pressure adjusting nut and is used for being in contact with metal materials to be cast in a pressurized mode in a pressure cast mould, and a compensation compressing space is reversed between the inner bottom face of the compensation pressing block and the end face of the front end of the T-shaped ejecting rod. The pressure casting flexible feeding elastic pressing device can effectively prevent working pieces shaped by pressure casting from generating air holes or loosening, and can improve metallographic structure and mechanical property of a die-casting-formed piece, and the flexible feeding elastic pressing device for pressure casting forming is simple in structure, convenient to use and reliable in working property.

Description

The flexible feeding elasticity of a kind of casting forming device for exerting
Technical field
The utility model relates to the flexible feeding elasticity of a kind of casting forming device for exerting, belongs to metal material casting forming technical field.
Background technology
At present, because metal material casting forming technology is cast with forming accuracy height and the high advantage of efficient, be widely used in mechanical industry production.When the heavy parts of die casting structure complexity, its workpiece far-end that is cast into shape usually can produce the phenomenon of the defective workmanships such as pore and shrinkage porosite, thereby greatly reduces the quality of product but in the prior art.So existing metal material casting forming technology is perfect not enough, also having needs perfect place.
Summary of the invention
The purpose of this utility model is: provide a kind of and can prevent that the workpiece that is cast into shape from producing the flexible feeding elasticity of casting forming device for exerting pore or shrinkage porosite phenomenon and simple in structure, easy to use, reliable working performance, to overcome the deficiencies in the prior art.
﹠lt, b TranNum="67" ﹠gt, the technical solution of the utility model is to consist of like this: the flexible feeding elasticity of a kind of casting forming of the present utility model device for exerting is, this device comprises be used to the cover for seat that is arranged on die casting, T font push rod is housed in the through hole of cover for seat, cover on T font push rod have Compress Spring and can the through hole in cover for seat in the seat ring that slides, the pressure adjusting nut is connected on the screw thread of T font push rod front end, and Compress Spring and seat ring is spacing on T font push rod, be threaded connection a compensation briquetting that pressure adjusting nut being used for of covering directly contacted with the metal material that is cast into shape of die casting on seat ring, be provided with the compensation compression stroke between the end face of the inner bottom surface that compensates briquetting and T font push rod front end.</b>
The length of above-mentioned compensation compression stroke is 10~100 millimeters.
Above-mentioned seat ring is by a large diameter cylindrical surface and the step seat ring that the small-diameter circular cylinder forms, this seat ring is connected with the compensation briquetting by the screw thread that is arranged on the small-diameter circular cylinder, and the external diameter of compensation briquetting is less than or equal to the large diameter cylindrical surface external diameter of seat ring.
The through hole of above-mentioned cover for seat is the step through hole, and seat ring is arranged in the large diameter hole of step through hole of cover for seat.
The upper surface of above-mentioned cover for seat is the stroke locating surface that acts on the pressure apparatus on push rod.
Owing to having adopted technique scheme, the utility model is for the existing defective workmanship of existing casting forming, the utility model is by adopting " flexible shrinkage compensation method and elasticity device for exerting ", can make the casting forming workpiece complete fill type after, part to workpiece produces elastic pressure suitable, that continue, and should remain to the complete cooled and solidified end of workpiece by elastic pressure suitable, that continue always.Due in press casting procedure, the workpiece far-end is cooled and solidified under suitable, lasting elastic pressure effect, and follow micro-plastic deformation, and can effectively avoid like this generation of pore or shrinkage porosite phenomenon, make the metallographic structure of casting forming spare finer and close, its mechanical property is better.The utility model is particularly suitable for when carrying out the large-scale workpiece casting forming, it is carried out the local compliance feeding process, and adopts the utility model can effectively improve existing die cast metal forming technology.So, the utility model compared with prior art, the utility model has advantages of that not only the workpiece that can effectively prevent from being cast into shape produces pore or shrinkage porosite phenomenon, and the utility model also has the metallographic structure that can improve casting forming spare, improves the advantages such as its mechanical property and simple in structure, easy to use, reliable working performance.
Description of drawings
Fig. 1 is the structural representation of the utility model device;
Structural representation when Fig. 2 is the utility model use.
Description of reference numerals: 1-cover for seat, 2-T font push rod, 3-Compress Spring, 4-seat ring, 5-pressure adjusting nut, 6-compensates briquetting, and 7-die casting, 8-are cast into the metal material of shape, the 9-pressure apparatus, the upper surface of A-cover for seat (locating surface), H-compensates compression stroke.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
The specific embodiment
﹠lt, b TranNum="89" ﹠gt, embodiment of the present utility model: the utility model is that shrinkage compensation method flexible according to following a kind of casting forming is constructed, the method can be used in existing metal material casting forming technology, the method is when adopting existing die casting to carry out casting forming to metal material, particularly to aluminium, aluminium alloy, copper, plumbous, antimony, during the nonferrous materials such as tin or sn-bi alloy casting forming, in die casting by the metal material of die casting when beginning to solidify but also not solidifying fully (generally, in the temperature of metal material in 400 ℃~700 ℃), exert pressure to being carried out elasticity by the metal material of die casting in die casting by the flexible feeding elasticity of the casting forming device for exerting that is arranged on die casting, exerting pressure by this elasticity can be to being carried out flexible feeding in the process of cooled and solidified by the metal material of die casting in mould, thereby improve the metallurgical structure of metal material drip molding inside, and avoid its inner pore that produces, the forming defectses such as shrinkage porosite.Position or quantity that the flexible feeding elasticity of its casting forming device for exerting is arranged on die casting can be determined according to the needs that use.</b>
the structural representation of the flexible feeding elasticity of the of the present utility model a kind of casting forming device for exerting that builds according to said method as depicted in figs. 1 and 2, this device comprises be used to the cover for seat 1 that is arranged on die casting 7, during making, fill a T font push rod 2 in the through hole of cover for seat 1, the stub end of this T font push rod 2 contacts with pressure apparatus 9 in use, Compress Spring of cover 3 and seat ring 4 that energy slides in the through hole of cover for seat 1 of cover on T font push rod 2, pressure adjusting nut 5 is connected on the screw thread of T font push rod 2 front ends, like this can be by pressure adjusting nut 5, that Compress Spring 3 and seat ring 4 is spacing on T font push rod 2, the compensation briquetting 6 that is being threaded connection an energy on seat ring 4 pressure adjusting nut 5 being used for of covering directly contacted with the metal material that is cast into shape 8 of die casting 7, reserve certain compensation compression stroke H between the end face of the inner bottom surface that compensates briquetting 6 and T font push rod 2 front ends, the length of this compensation compression stroke H can be controlled in the scope of 10~100 millimeters.During making, for structure is more seen compactness, seat ring 4 can be made as by a large diameter cylindrical surface and the step seat ring that the small-diameter circular cylinder forms, and seat ring 4 is connected with compensation briquetting 6 by the screw thread that is arranged on the small-diameter circular cylinder, the external diameter of compensation briquetting 6 is made into the external diameter of the large diameter cylindrical surface that is less than or equal to seat ring 4; The through hole of cover for seat 1 is made as the step through hole, and seat ring 4 is arranged in the large diameter hole of step through hole of cover for seat 1; The upper surface A of cover for seat 1 is made as the plane, and as the stroke locating surface that acts on the pressure apparatus 9 on T font push rod 2.
﹠lt, b TranNum="93" ﹠gt, when using device of the present utility model, as shown in Figure 2, first according to the needs that use, regulate Compress Spring 3 by pressure adjusting nut 5 and act on elastic force on seat ring 4, then cover for seat 1 is placed on that in the installing hole of die casting 7, (this installing hole can be according to the needs that use, be produced on the localized positions that needs Forming Workpiece is carried out flexible feeding on die casting 7), and the bottom surface of compensation briquetting 6 can be contacted with the metal material 8 that is cast into shape, pressure apparatus 9 on casting forming equipment is acted on T font push rod 2, at this moment, T font push rod 2 will promote compensation briquetting 6 by Compress Spring 3 and seat ring 4 and act on metal material 8, when the end face of pressure apparatus 9 contacts with the upper surface A of cover for seat 1, pressure apparatus 9 is stop motion, at this moment compensate briquetting 6 and act on the pressure elastic force after compressed for Compress Spring 3 just on metal material 8, this elastic force be act on metal material 8 suitably, the elastic pressure that continues.</b>

Claims (5)

1. the flexible feeding elasticity of casting forming device for exerting, comprise be used to the cover for seat (1) that is arranged on die casting (7), it is characterized in that: T font push rod (2) is housed in the through hole of cover for seat (1), at the upper seat ring (4) that Compress Spring (3) is arranged and can slide in the through hole of cover for seat (1) that overlaps of T font push rod (2), pressure adjusting nut (5) is connected on the screw thread of T font push rod (2) front end, and Compress Spring (3) and seat ring (4) is spacing on T font push rod (2), be threaded connection a compensation briquetting (6) that pressure adjusting nut (5) being used for of covering directly contacted with the metal material that is cast into shape (8) of die casting (7) on seat ring (4), be provided with compensation compression stroke (H) between the end face of the inner bottom surface that compensates briquetting (6) and T font push rod (2) front end.
2. the flexible feeding elasticity of casting forming according to claim 1 device for exerting, it is characterized in that: the length of compensation compression stroke (H) is 10~100 millimeters.
3. the flexible feeding elasticity of casting forming according to claim 1 device for exerting, it is characterized in that: seat ring (4) is by a large diameter cylindrical surface and the step seat ring that the small-diameter circular cylinder forms, seat ring (4) is connected with compensation briquetting (6) by the screw thread that is arranged on the small-diameter circular cylinder, and the external diameter of compensation briquetting (6) is less than or equal to the large diameter cylindrical surface external diameter of seat ring (4).
4. the flexible feeding elasticity of casting forming according to claim 1 device for exerting, it is characterized in that: the through hole of cover for seat (1) is the step through hole, seat ring (4) is arranged in the large diameter hole of step through hole of cover for seat (1).
5. the flexible feeding elasticity of casting forming according to claim 1 device for exerting, it is characterized in that: the upper surface (A) of cover for seat (1) is for acting on the stroke locating surface of the pressure apparatus on push rod (2).
CN 201320268990 2013-05-17 2013-05-17 Flexible feeding elastic pressure-applying device for pressure casting forming Withdrawn - After Issue CN203265584U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320268990 CN203265584U (en) 2013-05-17 2013-05-17 Flexible feeding elastic pressure-applying device for pressure casting forming

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320268990 CN203265584U (en) 2013-05-17 2013-05-17 Flexible feeding elastic pressure-applying device for pressure casting forming

Publications (1)

Publication Number Publication Date
CN203265584U true CN203265584U (en) 2013-11-06

Family

ID=49496078

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320268990 Withdrawn - After Issue CN203265584U (en) 2013-05-17 2013-05-17 Flexible feeding elastic pressure-applying device for pressure casting forming

Country Status (1)

Country Link
CN (1) CN203265584U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104162642A (en) * 2013-05-17 2014-11-26 贵州大学 Die-casting formation flexible feeding method and elastic pressure applying method
CN104308117A (en) * 2014-10-20 2015-01-28 苏州广型模具有限公司 Energy-saving pneumatic die-casting die

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104162642A (en) * 2013-05-17 2014-11-26 贵州大学 Die-casting formation flexible feeding method and elastic pressure applying method
CN104162642B (en) * 2013-05-17 2016-06-29 贵州大学 A kind of casting forming flexibility feeding elasticity device for exerting
CN104308117A (en) * 2014-10-20 2015-01-28 苏州广型模具有限公司 Energy-saving pneumatic die-casting die

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C14 Grant of patent or utility model
GR01 Patent grant
C25 Abandonment of patent right or utility model to avoid double patenting
AV01 Patent right actively abandoned

Granted publication date: 20131106

Effective date of abandoning: 20160629