CN203853498U - Hot upsetting mold of upper die molding and upper die used for hot upsetting mold - Google Patents

Hot upsetting mold of upper die molding and upper die used for hot upsetting mold Download PDF

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Publication number
CN203853498U
CN203853498U CN201420124400.9U CN201420124400U CN203853498U CN 203853498 U CN203853498 U CN 203853498U CN 201420124400 U CN201420124400 U CN 201420124400U CN 203853498 U CN203853498 U CN 203853498U
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CN
China
Prior art keywords
die
mold core
patrix
core
forming
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.)
Expired - Fee Related
Application number
CN201420124400.9U
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Chinese (zh)
Inventor
董晨曦
黄忠宏
周杰
田柱
刘霖
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.)
Henan Aerospace Precision Machining Co Ltd
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Henan Aerospace Precision Machining Co Ltd
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Priority to CN201420124400.9U priority Critical patent/CN203853498U/en
Application granted granted Critical
Publication of CN203853498U publication Critical patent/CN203853498U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a hot upsetting mold of upper die molding and an upper die used for the hot upsetting mold. Elastic components used for pushing an upper die core sleeve downwards are arranged on the upper die core sleeve in the upper die in a pushing manner, and the upper die core sleeve is assembled in an upper die sleeve in a top and bottom guide manner; moreover, the lower end of an upper die core is provided with an upper die molding structure which is used for enabling the upper die core and a lower die core to be butted to form a molding cavity located between the upper die core and the lower die core, and is matched with the lower die core to close the molding cavity; when the hot upsetting mold is used, the to-be-molded part of a to-be-molded workpiece is restrained by the wall of the closed molding cavity, and then, hot upsetting molding is realized along with the up-and-down opposite motion of a die cushion and the upper die core, and therefore, increased deflection can be obtained by the upper die disclosed by the utility model through one-time hot upsetting molding, and during the deformation process of the to-be-molded workpiece, the full degree of the to-be-molded part restrained by the wall of the molding cavity is improved, and the mechanical property of the molded workpiece is also better, so that a subsequent turning process can be simplified and even omitted.

Description

Hot upsetting mould and the patrix thereof of upper die forming
Technical field
The utility model relates to hot upsetting processing technique field, relates in particular to a kind of hot upsetting mould and patrix thereof of upper die forming.
Background technology
Along with domestic air mail, the high speed development in the fields such as space flight, need the product of the hot upsetting moulding of patrix more and more, as depicted in figs. 1 and 2, the hot upsetting mould of mold forming comprises the upper die and lower die that are oppositely arranged up and down traditionally, patrix is again by upper mold core 103, patrix core retainer plate 104, Upper Die-sleeve 105, die-cushion 101 and push rod form, upper mold core 103, patrix core retainer plate 104 and Upper Die-sleeve 105 are from inside to outside set with successively, and the lower end of Upper Die-sleeve 105 be provided with stop that patrix core retainer plate 104 falls in turn edge, the annular convex shoulder that die-cushion 101 is convexly equipped with patrix core retainer plate 104 upper ends be pressed on Upper Die-sleeve 105 in turn edge on, the bottom of upper mold core 103 is provided with forming cavity, counterdie comprises from inside to outside lower mold core 107 and the counterdie core retainer plate 108 of suit.In use, after bar 106 heads (needing upsetting end processed) heating, put into lower mode cavity, patrix falls, bar 106 enters upper cavity, bar 106 end faces first contact (A place) with top rod 102, after patrix whereabouts bar 106 is stressed, cause metal flow, because patrix does not now contact with counterdie end face and has a certain space (B place), B place bar 106 is not circumferentially subject to external force constraint, in patrix dropping process, having part metals writes out a prescription to flowing by B, cause patrix also not fall to and contact front i.e. quilt with counterdie toward the metal prevention whereabouts of B place circumferential flow, this situation can cause flange excircle super thick (D place), because metal flow is to flange excircle lower end, C place (bihexagonal head portion) is not full, therefore in following process, not only need to remove the insatiable hunger of C place everywhere, to meet effective twisting length, and Vehicle Processing end face of flange (D place), to guarantee technological requirement flange excircle thickness, the former can cause the waste of material, and processing cost is improved, the latter, because of turning head rod junction (E place), causes head rod junction metal streamline to cut off, and affects the fatigue behaviour of product.
Utility model content
The purpose of this utility model is to provide a kind of patrix that improves the hot upsetting formed precision of patrix, and a kind of hot upsetting mould that uses the upper die forming of this patrix is also provided simultaneously.
In order to realize above object, in the utility model, the technical scheme of patrix is as follows:
Patrix, comprise the upper mold core, patrix core retainer plate and the Upper Die-sleeve that are from inside to outside set with successively, in Upper Die-sleeve, in upper mold core cover top, be equipped with die-cushion, upper mold core puts the elastic component being top-loaded with for downward pushing tow patrix core retainer plate, and upper mold core cover up and down guiding is assemblied in Upper Die-sleeve, and in the lower end of upper mold core, be provided with for forming in forming cavity between the two and coordinate with lower mold core and upper die forming structure that described forming cavity is sealed with lower mold core docking.
Elastic component is contained in the helical spring between die-cushion and upper mold core for pushing up.
Upper die forming structure is for for be formed into the forming tank of die cavity by the upper surface of lower mold core sealing, on the lower surface of forming tank in upper mold core.
In upper mold core, guiding is equipped with top rod up and down, pushes up excellent top, upper end and is contained on the lower surface of die-cushion.
The upper and lower end face correspondence of upper mold core and patrix core retainer plate is concordant, and upper mold core interference is assemblied in patrix core retainer plate.
In the utility model, the technical scheme of the hot upsetting mould of upper die forming is as follows:
The hot upsetting mould of upper die forming, comprise the upper and lower mould of docking up and down, counterdie comprises lower mold core, patrix comprises from inside to outside upper mold core, patrix core retainer plate and the Upper Die-sleeve of suit successively, in Upper Die-sleeve, in upper mold core cover top, be equipped with die-cushion, upper mold core puts the elastic component being top-loaded with for downward pushing tow patrix core retainer plate, and upper mold core cover up and down guiding is assemblied in Upper Die-sleeve, upper and lower core rod docks and forms the forming cavity between the two, and forming cavity is sealed by the corresponding molding structure arranging on upper and lower core rod.
Elastic component is contained in the helical spring between die-cushion and upper mold core for pushing up.
Counterdie molding structure is the upper surface of lower mold core, and upper die forming structure is for for be formed into the forming tank of die cavity by the upper surface of lower mold core sealing, on the lower surface of forming tank in upper mold core.
In upper mold core, guiding is equipped with top rod up and down, pushes up excellent top, upper end and is contained on the lower surface of die-cushion.
The upper and lower end face correspondence of upper mold core and patrix core retainer plate is concordant, and upper mold core interference is assemblied in patrix core retainer plate.
The utility model puts the elastic component being top-loaded with for downward pushing tow patrix core retainer plate in upper mold core, and upper mold core cover up and down guiding is assemblied in Upper Die-sleeve, and in the lower end of upper mold core, be provided with the forming cavity forming between the two for docking with lower mold core, and coordinate with lower mold core and by the upper die forming structure of described forming cavity sealing, in use, the moulding position of workpiece to be formed is by the forming cavity chamber wall constraint being closed, move toward one another up and down along with die-cushion and upper mold core realizes hot upsetting moulding again, therefore in the utility model, patrix can obtain by hot upsetting moulding once the deflection of increasing, and in workpiece deformation process to be formed, the full degree in moulding position by the chamber wall constraint of forming cavity will improve, after moulding, the mechanical performance of workpiece is also better, so that follow-up Vehicle Processing operation can be simplified, and even save, thereby reducing under the prerequisite of the hot upsetting moulding of workpiece cost, greatly improve the hot upsetting formed precision of patrix.
Accompanying drawing explanation
Fig. 1 is the structural representation of hot upsetting mould in prior art;
Fig. 2 is the structural representation of the bolt workpiece that in prior art, the upsetting of hot upsetting mould is made;
Fig. 3 is the structural representation of the hot upsetting mould embodiment of the utility model upper die forming.
The specific embodiment
The embodiment of the hot upsetting mould of upper die forming in the utility model: as shown in Figure 3, this hot upsetting mould comprises the upper die and lower die of docking up and down, wherein counterdie consists of the counterdie core retainer plate 209 of lower mold core 208 and outer suit thereof, patrix is by upper mold core 204, patrix core retainer plate 205, Upper Die-sleeve 206, elastic component 203, top rod 202 and die-cushion 201 form, upper mold core 204, patrix core retainer plate 205 and Upper Die-sleeve 206 are from inside to outside set with successively, and upper mold core 204 and patrix core retainer plate 205 is upper, lower surface correspondence is concordant, upper mold core 204 interference are assemblied in patrix core retainer plate 205, patrix core retainer plate 205 leads and is assemblied in Upper Die-sleeve 206 up and down, die-cushion 201 is assemblied in Upper Die-sleeve 206 in patrix core retainer plate 205 places, top position, elastic component 203 is contained in the cylindrically coiled spring between die-cushion 201 and upper mold core 204 for pushing up, top rod 202 up and down guiding is assemblied in upper mold core 204, the top, upper end of top rod 202 is contained on the lower surface of die-cushion 201.Upper and lower core rod 208 docking and form the forming cavity between the two, forming cavity is sealed by the corresponding molding structure arranging on upper and lower core rod 208, counterdie molding structure is the upper surface of lower mold core 208, upper die forming structure is for for be formed into the forming tank of die cavity by the upper surface of lower mold core 208 sealing, on the lower surface of forming tank in upper mold core 204.
In the present embodiment, hot upsetting mould in use, after being heated, bar 207 heads (needing upsetting end processed) put into lower mold core 208, patrix falls, the head of bar 207 enters in upper mold core 204, patrix drops down onto and contacts (G place) with lower die face, between upper mold core 204 and lower mold core 208, by the forming tank of upper mold core 204 lower ends and the end face of lower mold core 208 upper ends, surrounded the forming cavity of sealing, now patrix end face (G place) is subject to resistance, elastic component 203 is compressed simultaneously, resilience patrix core retainer plate 205 and upper mold core 204, forming cavity between upper die and lower die is closed always, bar 207 end faces first contact (F place) with top rod 202, the stressed rear metal of patrix whereabouts bar 207 flows in enclosure space, then on bar 207, mold the head dummy needing.
In the above-described embodiments, elastic component is cylindrically coiled spring, and in other embodiments, elastic component can be also the helical springs such as conical helical spring or dish spring etc.
In the above-described embodiments, forming cavity is surrounded by the forming tank on patrix and the upper surface on counterdie, in other embodiments, forming tank also can the upper surface in counterdie on, or forming tank be all set on upper and lower mould surround forming cavity etc.
In the above-described embodiments, upper mold core is mounted with in patrix core retainer plate by interference, and in other embodiments, upper mold core also can be fixed in patrix core retainer plate by riveted joint, bolt connection etc.
The embodiment of patrix in the utility model: in the present embodiment, the structure of patrix is identical with the structure of patrix in above-described embodiment, therefore repeats no more.

Claims (10)

1. patrix, comprise the upper mold core, patrix core retainer plate and the Upper Die-sleeve that are from inside to outside set with successively, in Upper Die-sleeve, in upper mold core cover top, be equipped with die-cushion, it is characterized in that, upper mold core puts the elastic component being top-loaded with for downward pushing tow patrix core retainer plate, and upper mold core cover up and down guiding is assemblied in Upper Die-sleeve, and in the lower end of upper mold core, be provided with for forming in forming cavity between the two and coordinate with lower mold core and upper die forming structure that described forming cavity is sealed with lower mold core docking.
2. patrix according to claim 1, is characterized in that, elastic component is contained in the helical spring between die-cushion and upper mold core for pushing up.
3. patrix according to claim 1, is characterized in that, upper die forming structure is for for be formed into the forming tank of die cavity by the upper surface of lower mold core sealing, on the lower surface of forming tank in upper mold core.
4. patrix according to claim 1, is characterized in that, in upper mold core, guiding is equipped with top rod up and down, pushes up excellent top, upper end and is contained on the lower surface of die-cushion.
5. according to the patrix described in any one in claim 1 to 4, it is characterized in that, the upper and lower end face correspondence of upper mold core and patrix core retainer plate is concordant, and upper mold core interference is assemblied in patrix core retainer plate.
6. the hot upsetting mould of upper die forming, comprise the upper and lower mould of docking up and down, counterdie comprises lower mold core, patrix comprises from inside to outside upper mold core, patrix core retainer plate and the Upper Die-sleeve of suit successively, in Upper Die-sleeve, in upper mold core cover top, be equipped with die-cushion, it is characterized in that, upper mold core puts the elastic component being top-loaded with for downward pushing tow patrix core retainer plate, and upper mold core cover up and down guiding is assemblied in Upper Die-sleeve, upper and lower core rod docks and forms the forming cavity between the two, and forming cavity is sealed by the corresponding molding structure arranging on upper and lower core rod.
7. the hot upsetting mould of upper die forming according to claim 6, is characterized in that, elastic component is contained in the helical spring between die-cushion and upper mold core for pushing up.
8. the hot upsetting mould of upper die forming according to claim 6, it is characterized in that, counterdie molding structure is the upper surface of lower mold core, and upper die forming structure is for for be formed into the forming tank of die cavity by the upper surface of lower mold core sealing, on the lower surface of forming tank in upper mold core.
9. the hot upsetting mould of upper die forming according to claim 6, is characterized in that, in upper mold core, guiding is equipped with top rod up and down, pushes up excellent top, upper end and is contained on the lower surface of die-cushion.
10. according to the hot upsetting mould of the upper die forming described in any one in claim 6 to 9, it is characterized in that, the upper and lower end face correspondence of upper mold core and patrix core retainer plate is concordant, and upper mold core interference is assemblied in patrix core retainer plate.
CN201420124400.9U 2014-03-19 2014-03-19 Hot upsetting mold of upper die molding and upper die used for hot upsetting mold Expired - Fee Related CN203853498U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420124400.9U CN203853498U (en) 2014-03-19 2014-03-19 Hot upsetting mold of upper die molding and upper die used for hot upsetting mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420124400.9U CN203853498U (en) 2014-03-19 2014-03-19 Hot upsetting mold of upper die molding and upper die used for hot upsetting mold

Publications (1)

Publication Number Publication Date
CN203853498U true CN203853498U (en) 2014-10-01

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105195658A (en) * 2015-09-17 2015-12-30 河南航天精工制造有限公司 Hot upsetting die and upper die thereof
CN107649631A (en) * 2017-08-17 2018-02-02 河南航天精工制造有限公司 A kind of hot upsetting mould bases of upper die forming
CN109014003A (en) * 2018-09-27 2018-12-18 舟山市7412工厂 A kind of production method of cold upsetting die of car

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105195658A (en) * 2015-09-17 2015-12-30 河南航天精工制造有限公司 Hot upsetting die and upper die thereof
CN107649631A (en) * 2017-08-17 2018-02-02 河南航天精工制造有限公司 A kind of hot upsetting mould bases of upper die forming
CN109014003A (en) * 2018-09-27 2018-12-18 舟山市7412工厂 A kind of production method of cold upsetting die of car

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141001

Termination date: 20170319

CF01 Termination of patent right due to non-payment of annual fee