CN105195658B - A kind of thermal upsetting die and its upper mold - Google Patents
A kind of thermal upsetting die and its upper mold Download PDFInfo
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- CN105195658B CN105195658B CN201510598403.5A CN201510598403A CN105195658B CN 105195658 B CN105195658 B CN 105195658B CN 201510598403 A CN201510598403 A CN 201510598403A CN 105195658 B CN105195658 B CN 105195658B
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- upper mold
- die
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Abstract
The present invention provides a kind of thermal upsetting die and its upper mold, thermal upsetting die includes upper die and lower die, lower die includes lower die core assembly, upper mold wraps die sleeve, guiding movement is equipped with upper mold core assembly along the vertical direction in Upper Die-sleeve, thimble is additionally provided in Upper Die-sleeve, be equipped in Upper Die-sleeve force active force that it moves down to the application of upper mold core component so that upper mold core assembly docked before thimble stamped workpieces with lower die core assembly with formed closing forming cavity spring, guiding movement assembles thimble along the vertical direction with the upper mold core assembly, the upper end top pressure of spring is on the thimble, lower end top pressure is on the upper mold core assembly, top pressure is assemblied on the die-cushion being installed on the upper mold seat thimble under the action of the spring.In demoulding, thimble follows upper mold seat to move up, and upper mold core assembly then moves down under the action of the spring so that thimble can be quickly rapidly separated with the workpiece after punching press, convenient for demoulding.
Description
Technical field
The present invention relates to a kind of thermal upsetting die and its upper molds.
Background technology
With the high speed development in the fields such as domestic air mail, space flight, scientific and technological level is constantly progressive, need the hot upsetting of upper and lower mould into
The product demand of type is more and more, and traditional processing proposal is all to be improved in quality, cost, secure context, to reach resource
It makes full use of, rigorous, the saving of cost of quality.To fully demonstrate mold value, the research and development of mold are converted into it in attaching most importance to
Weight.
For traditional thermal upsetting die as shown in Figure 1, including upper die and lower die, upper mold includes upper mold core assembly, upper mold core assembly
Including fixing assembling upper mold core 103 together and upper mold core retainer plate 104, upper mold core assembly passes through Upper Die-sleeve 105 and corresponds to anticreep
Together with 101 fixing assembling of upper mold seat, upper mold core 103 has the upper centre bore vertically extended, and upper centre bore is rank
The stepped hole of tread upward, in stepped hole it is corresponding it is fixed be filled with T-shaped thimble 102, T-shaped thimble 102 has to be pushed up by upper mold seat 101
The head that pressure positioning is assemblied on cascaded surface and the mandril portion being inserted into the path hole section of centre bore that coincide, upper centre bore
Path hole section forms upper cavity, and lower die includes lower die core assembly, and lower die core assembly includes lower mold core 107 and lower die core retainer plate 108, under
Mold core 107 is equipped with lower mode cavity corresponding with the upper cavity of upper mold core, and the top of lower mode cavity is equipped with forming recess.It in use, will
The head of bar 106 is put into lower mold core after heating, upper mold falls, and bar 106 enters upper cavity, and bar end face is first contacted with thimble
（At A）, upper mold falls, and bar stress leads to metal flow, due to the upper mold core of upper mold at this time and the lower mold core of lower die not in contact with
And there is certain space（At B）, bar does not circumferentially receive external force constraint at B, and part metals are had in upper mold dropping process by B prescriptions
To flowing, upper mold is caused not fall to also and is contacted with lower die i.e. by the metal structure whereabouts to lateral flow, such case can be led
The thickness super thick at the countersunk head D of upsetting shaped article as shown in Figure 2 is caused, and countersunk head outer circle, to generate overlap E, overlap E also can
Lead to be also easy to produce that chip off-falling, pump is fast, bursts at the C of upper mold core to applying active force at the C of upper mold core.Also, due to gold
Category flows to 12 jiaos of lower ends, and variable is big at countersunk head, and fillet F is susceptible at the position of bihexagonal head top, not full, therefore,
In following process, not only need to remove insatiable hunger everywhere, to meet effective twisting length, and need turnery processing countersunk head end face
Place, to ensure technological requirement countersunk head outer circle thickness, the former can cause waste of material, increase processing cost, the latter is because of turnery
Head rod junction, head rod junction metal streamline is caused to be cut off, influences the fatigue behaviour of product.Also, it is also easy to occur
Head and bar portion with shaft assignment it is poor the problem of.
A kind of heat of upper die forming is disclosed in the Chinese utility model patent for being CN203853498U in Authorization Notice No.
Upsetting mold and upper mold, the thermal upsetting die include upper die and lower die, and lower die includes lower mold core, and upper mold includes being set with successively from inside to outside
Upper mold core, upper mold core retainer plate and Upper Die-sleeve, upper mold core China is equipped with thimble, and Upper Die-sleeve is securely fitted on upper mold seat, upper mold
Core retainer plate is oriented to is assemblied in Upper Die-sleeve along the vertical direction, and downward pushing tow upper mold core retainer plate is equipped between upper mold core retainer plate and upper mold seat
Elastic component, upper mold core docked before thimble stamping strip with lower mold core under the action of elastic component and formed closing molding
Chamber.In use, due to causing that mold core docks before thimble stamping strip and forms closing up and down under the action of elastic component
Forming cavity, in stamping strip, blank can generate metal flow in the forming cavity of closing and be upset deformation thimble, will not go out
The deformation that mold core corresponding end-faces combine up and down is now influenced, flange countersunk head thickness super thick is avoided, avoids overlap.But this thermal upsetting die
In, thimble can the assembling of guiding movement be filled in the centre bore of upper mold core, when being demoulded after the completion of upsetting system, upper mold
It moves up and is detached from lower die, at this point, thimble easily connects together with workpiece, upper mold core group is followed under the action of elastic component
Part moves down together, and then can influence normally to demould.
Invention content
The present invention provides a kind of thermal upsetting die upper mold, with solve thermal upsetting die of the prior art in demoulding thimble with
The technical issues of being moved down together with upper mold core assembly and influencing normally to demould；Meanwhile the present invention also provides a kind of using upper
State the thermal upsetting die of upper mold.
The technical solution of thermal upsetting die provided by the present invention upper mold is：A kind of thermal upsetting die upper mold, including upper mold
Seat, is installed with Upper Die-sleeve on upper mold seat, and guiding movement is equipped with the upper mold core group with upper cavity along the vertical direction in Upper Die-sleeve
Part is additionally provided with the thimble for carrying out punching press to the workpiece in upper cavity in Upper Die-sleeve, is equipped in Upper Die-sleeve to upper mold core component
Application forces the active force that it is moved down so that upper mold core assembly docks before workpiece stamped workpieces with lower die core assembly
To form the spring of the forming cavity of closing, guiding movement assembles the thimble along the vertical direction with the upper mold core assembly, bullet
In the thimble upper and lower end top pressure on the upper mold core assembly, thimble pushes up the upper end top pressure of spring under the action of the spring
Press fitting is fitted on the die-cushion being installed on the upper mold seat.
The upper mold core assembly includes upper mold core retainer plate and is fixedly arranged on the upper mold core of the endoporus lower part of upper mold core retainer plate, upper mold core
Lower face it is concordant with the lower face of upper mold core retainer plate, it is upper that there is upper mold core the radially projecting inner hole wall in upper mold core retainer plate to arrange
End face, the endoporus guiding movement of the thimble and upper mold core retainer plate assemble, and the spring is located in the endoporus of upper mold core retainer plate and lower end
Top pressure is on the upper surface of the upper mold core.
The locating slot of positioning inserting corresponding with the top of the thimble is correspondingly provided on the die-cushion.
The lower end of the Upper Die-sleeve is installed with upper mould cover, and upper mould cover has to be coordinated for being limited with upper mold core assembly block
To prevent upper mold core component from deviating from the upper Stop structure of Upper Die-sleeve downwards under the action of the spring, upper mould cover is equipped with and the upper mold
Core assembly it is coaxially arranged be used to coincide with the lower die core assembly in the lower die of thermal upsetting die be oriented to inserting to guide hot upsetting mould
The upper die and lower die of tool are oriented to the pilot hole of cooperation.
The technical solution of thermal upsetting die provided by the present invention using above-mentioned upper mold is：A kind of thermal upsetting die, including with
In the upper die and lower die docked up and down, lower die includes lower die core assembly, and upper mold includes upper mold seat, upper mold is installed on upper mold seat
It covers, guiding movement is equipped with the upper mold core assembly with upper cavity along the vertical direction in Upper Die-sleeve, is additionally provided with and is used in Upper Die-sleeve
The thimble of punching press is carried out to the workpiece in upper cavity, the work for it being forced to move down to the application of upper mold core component is equipped in Upper Die-sleeve
Firmly so that upper mold core assembly docked before thimble stamped workpieces with lower die core assembly with formed closing forming cavity bullet
Spring, guiding movement assembles the thimble along the vertical direction with the upper mold core assembly, and the upper end top pressure of spring is in the thimble
On the upper mold core assembly, thimble top pressure under the action of the spring is assemblied on the upper mold seat solid upper and lower end top pressure
On the die-cushion being equipped with.
The upper mold core assembly includes upper mold core retainer plate and is fixedly arranged on the upper mold core of the endoporus lower part of upper mold core retainer plate, upper mold core
Lower face it is concordant with the lower face of upper mold core retainer plate, it is upper that there is upper mold core the radially projecting inner hole wall in upper mold core retainer plate to arrange
End face, the endoporus guiding movement of the thimble and upper mold core retainer plate assemble, and the spring is located in the endoporus of upper mold core retainer plate and lower end
Top pressure is on the upper surface of the upper mold core.
The locating slot of positioning inserting corresponding with the top of the thimble is correspondingly provided on the die-cushion.
The upper mold core assembly includes upper mold core retainer plate and the lower mold core being installed in the endoporus of upper mold core retainer plate, upper mold core
Lower face is concordant with the lower face of upper mold core retainer plate, and the upper cavity of the upper mold core assembly is arranged in the upper mold core, upper cavity
In there is upper molding structure, the lower die core assembly includes lower mold core and lower die core retainer plate, the upper surface of lower mold core be equipped with it is lower into
Type groove, lower forming tank when upper mold seat is moved down with upper mold core assembly before mandril stamped workpieces with the upper mold core
Dock the forming cavity to form the closing in lower face.
The lower die includes fixing assembling die holder together and lower die cap, and the lower die core assembly is by lower die cap pressure
Dress is fixed on the die holder.
The lower end of the Upper Die-sleeve is installed with upper mould cover, and upper mould cover has to be coordinated for being limited with upper mold core assembly block
To prevent upper mold core component from deviating from the upper Stop structure of Upper Die-sleeve downwards under the action of the spring, upper mould cover is equipped with and the upper mold
Core assembly it is coaxially arranged be used to coincide with the lower die core assembly in the lower die of thermal upsetting die be oriented to inserting to guide hot upsetting mould
The upper die and lower die of tool are oriented to the pilot hole of cooperation.
The beneficial effects of the invention are as follows：In thermal upsetting die upper mold provided by the present invention, in Upper Die-sleeve be equipped with to
Upper mold core assembly applies the spring for forcing its active force moved down, so that upper mold core under elastic acting force and gravity
Component is docked with lower die core assembly before thimble stamped workpieces to form the forming cavity of closing, in thimble and workpiece punching press,
Workpiece flows in the space of closing.Meanwhile the upper end top pressure of spring is on thimble, lower end top pressure on upper mold core assembly, and
So that thimble top pressure is assemblied on the die-cushion being installed on the upper mold seat, in demoulding, thimble follows upper mold seat to move up,
And upper mold core assembly then moves down under the action of the spring so that thimble can be quickly rapidly separated with the workpiece after punching press,
Convenient for demoulding.Also, since thimble is constantly subjected to the opposition of spring, thimble is assemblied in by spring top pressure on upper mold seat,
Thimble is avoided to occur shaking or misplacing during stamped workpieces, improves punching precision.
Further, it is oriented to assembling using the endoporus of upper mold core retainer plate and thimble and quiet spring is arranged in the endoporus of upper mold core retainer plate
In, assembling is relatively simple, makes full use of the endoporus of upper mold core retainer plate, also, spring sizes are relatively small, it is possibility to have effect reduces bullet
Spring cost.
Further, locating slot is set on die-cushion in order to carry out grafting positioning to the top of thimble, convenient for further
Determine the Assembly stability of thimble.
Further, in the upper cavity of upper mold core setting on molding structure, on the upper surface of lower mold core setting on into
Type groove in this way, when after upper and lower membrane module docks by thimble stamped workpieces, can simultaneously be molded improve molding effect using upper and lower mould
Fruit reduces disqualification rate.
Further, setting is used for the pilot hole coaxially arranged with the upper mold core assembly, the pilot hole on upper mould cover
It coincide with the lower die core assembly in the lower die of thermal upsetting die and is oriented to matching so that the upper die and lower die of thermal upsetting die to be guided to be oriented to for inserting
It closes, can ensure the concentricity of each component of workpiece during molding in this way.
Description of the drawings
Fig. 1 is the structure diagram of existing thermal upsetting die；
Fig. 2 is the structure diagram using the molding product of thermal upsetting die upsetting system shown in Fig. 1；
Fig. 3 is upper and lower mould provided by the present invention while the structure diagram of molding thermal upsetting die；
Fig. 4 is the operating diagram of the formed product of thermal upsetting die upsetting shown in Fig. 3；
Fig. 5 is the structure diagram using the molding product of thermal upsetting die upsetting system shown in Fig. 3.
Specific embodiment
As shown in Figure 3, Figure 4, the embodiment of a kind of upper and lower mould molding thermal upsetting die simultaneously, the hot upsetting mould in the embodiment
Tool includes the upper mold 100 and lower die 200 for docking up and down.
Lower die 200 includes die holder 11, lower die core assembly and lower die cap 10, and lower die core assembly is fixed by lower die cap 10 and filled
It fits on die holder 11, lower die core assembly herein includes lower mold core 9 and lower die core retainer plate 8, and confession is correspondingly provided on lower die cap 10
The perforation that the upper end of lower die core assembly is pierced by upwards, the upper surface of lower mold core 9 is concordant with the upper surface of lower die core retainer plate 8, lower mold core 9
Upper surface be equipped with lower forming tank 81, lower forming tank 81 corresponds to the upper end orifice position for the lower centre bore for being arranged in lower mold core 9
Place.
Upper mold 100 includes upper mold seat 1, die-cushion 12, thimble 2, upper mold core assembly, spring 3, Upper Die-sleeve 4 and upper mould cover 7, tool
For body, Upper Die-sleeve 4 is installed on upper mold seat 1, and guiding movement is assemblied in the upper mold core assembly with upper cavity along the vertical direction
In Upper Die-sleeve 4, the thimble 2 for carrying out punching press to the workpiece in upper cavity, thimble 2 and upper mold core group are additionally provided in Upper Die-sleeve 4
Guiding movement assembles part along the vertical direction, and the active force for it being forced to move down to the application of upper mold core component is equipped in Upper Die-sleeve 4
So that upper mold core assembly docked before workpiece stamped workpieces with lower die core assembly with formed closing forming cavity spring 3,
The upper end top pressure of spring 3 in 2 upper and lower end top pressure of thimble on upper mold core assembly, assemble by the top pressure under the action of spring 3 of thimble 2
On the die-cushion 12 being installed on upper mold seat 1, inserted correspondingly, being correspondingly provided with positioning corresponding with the top of thimble 2 on die-cushion 12
The locating slot matched.
In the present embodiment, upper mold core assembly includes upper mold core retainer plate 5 and is fixedly arranged on the upper mold core of the endoporus lower part of upper mold core retainer plate 5
6, the lower face of upper mold core 6 is concordant with the lower face of upper mold core retainer plate 5, and upper mold core 6 has radially projecting in upper mold core retainer plate 5
The endoporus guiding movement of the upper surface of hole wall arrangement, thimble 2 and upper mold core retainer plate 5 assembles to realize its guiding with upper mold core assembly
Assembling.Above-mentioned spring 3 is located in the endoporus of upper mold core retainer plate 5 and lower end top pressure is on the upper surface of upper mold core 6.
The upper cavity of upper mold core assembly is arranged in upper mold core 6, has upper molding structure in upper cavity, in lower mold core 9
Lower forming tank 81 when upper mold seat is moved down with upper mold core assembly before mandril stamped workpieces with the lower face of upper mold core
Docking forms the forming cavity of the closing.During specific works, workpiece is rushed simultaneously by upper molding structure and lower forming cavity
It extrudes molded.
In the present embodiment, to prevent upper mold core assembly from deviating from Upper Die-sleeve 4 under the action of the spring, in the lower end of Upper Die-sleeve 4
It is fastened by bolts on face and is equipped with upper mould cover 7, upper mould cover 7 is equipped with to be kept off with the lower face of the upper mold core retainer plate 5 of upper mold core assembly
The upper Stop structure of cooperation is only limited, Stop structure is specially turn edge on this.In addition, on upper mould cover 7 be equipped with it is described on
Mold core component it is coaxially arranged be used to coincide with the lower die core assembly in the lower die of thermal upsetting die be oriented to inserting to guide hot upsetting
The upper die and lower die of mold are oriented to the pilot hole 71 of cooperation.
In the present embodiment, corresponding gas vent 13 is correspondingly provided on upper mold seat, with eliminate gas to upper mold core assembly to
The influence of upper movement.
In use, the upper mould cover 7 of upper mold 100 is aligned with the lower die core retainer plate 8 of lower die 200, ensure what is processed
The head of product can obtain higher concentricity with bar portion.
Since the thermal upsetting die that the present embodiment is provided is used to process 12 jiaos of dormant bolts as shown in Figure 5, this 12
Angle dormant bolt includes coaxially arranged head and bar portion 301, and head includes countersunk head portion 303 and twisting corner 302, wherein,
When selecting thermal upsetting die 12 jiaos of dormant bolts of processing as shown in Figure 3 and Figure 4, twisting corner 302 is in upper mold core assembly
It is molded in upper molding structure, and what lower forming tank of the countersunk head portion 303 then on the lower face and lower mold core by upper mold core was formed
It is molded in lower forming cavity.
During specific punching press, it is put into lower mode cavity after bar head is heated, upper mold 100 falls, and bar enters in upper cavity,
Due to spring and gravity so that upper mold core assembly docks to form envelope with lower die core assembly before 2 stamped workpieces of thimble
The forming cavity closed, in thimble 2 and workpiece punching press, workpiece flows in the space of closing, by upper molding structure and forming cavity pair
Workpiece carries out processing and forming so that the twisting angle square processed by upper molding structure is very little and is sunk by what lower forming cavity processed
Head is satisfied by design requirement.Then, upper mold moves up, at this point, under the action of the spring, the upper mold core of elastic conjunction together
And upper mold core retainer plate moves down, and thimble then follows Upper Die-sleeve to move up, and is easy to implement the demoulding of thimble and workpiece.
Since upper and lower membrane module forms near closed hollow ring before thimble stamped workpieces, in this way, in thimble stamped workpieces, only
Mold cavity bearing tension force effectively avoids mold core from phenomena such as chip off-falling, collapse block, burst occur, and the thickness for adjusting mold core up and down can have
Effect extends die life, improves safety.
Since lower die core assembly is docked by the pilot hole on upper mould cover 7 with upper mold core assembly, upper and lower mould can effectively ensure that
The concentricity of component, and then the concentricity of the head of 12 jiaos of dormant bolts of guarantee and bar portion.
In above-described embodiment, spring top pressure is between thimble and upper mold core, and in other embodiments, spring can also top pressure
It is assemblied between thimble and upper mold core retainer plate, specifically can in addition set to coordinate with spring top pressure in the endoporus of upper mold core retainer plate
Annular flange, the punching press end that the endoporus that annular flange is formed can meet thimble lower part pass through.
In above-described embodiment, locating slot is set on die-cushion with positioning inserting corresponding with the top of thimble, in other implementations
In example, locating slot can also be saved.
The present invention also provides a kind of embodiment of thermal upsetting die upper mold, upper mold and above-mentioned thermal upsetting die in the embodiment
Embodiment in upper mold structure it is identical, details are not described herein.
Claims (8)
1. a kind of thermal upsetting die upper mold including upper mold seat, is installed with Upper Die-sleeve, is led along the vertical direction in Upper Die-sleeve on upper mold seat
The upper mold core assembly with upper cavity is equipped with to movement, is additionally provided with to carry out punching press to the workpiece in upper cavity in Upper Die-sleeve
Thimble, be equipped in Upper Die-sleeve and force active force that it moves down to the application of upper mold core component so that upper mold core assembly is in work
Docked with lower die core assembly before part stamped workpieces with formed closing forming cavity spring, it is characterised in that：The thimble
Guiding movement assembles along the vertical direction with the upper mold core assembly, and the upper end top pressure of spring exists in the thimble upper and lower end top pressure
On the upper mold core assembly, thimble top pressure under the action of the spring is assemblied on the die-cushion being installed on the upper mold seat,
The lower end of the Upper Die-sleeve is installed with upper mould cover, and upper mould cover has to be coordinated to prevent for limiting with upper mold core assembly block
Mold core component deviates from downwards the upper Stop structure of Upper Die-sleeve under the action of the spring, and upper mould cover is equipped with same with the upper mold core assembly
Axis arrangement be used for and the lower die core assembly in the lower die of thermal upsetting die coincide be oriented to inserting to guide the upper mold of thermal upsetting die
The pilot hole of cooperation is oriented to lower die.
2. thermal upsetting die upper mold according to claim 1, it is characterised in that：The upper mold core assembly includes upper mold core
Cover and be fixedly arranged on upper mold core retainer plate endoporus lower part upper mold core, the lower face of upper mold core is concordant with the lower face of upper mold core retainer plate, on
Mold core has the upper surface that the radially projecting inner hole wall in upper mold core retainer plate is arranged, the endoporus of the thimble and upper mold core retainer plate is oriented to
Mobile assembling, the spring is located in the endoporus of upper mold core retainer plate and lower end top pressure is on the upper surface of the upper mold core.
3. thermal upsetting die upper mold according to claim 2, it is characterised in that：Be correspondingly provided on the die-cushion with it is described
The top of thimble corresponds to the locating slot of positioning inserting.
4. a kind of thermal upsetting die, including being used for the upper die and lower die docked up and down, lower die includes lower die core assembly, and upper mold includes upper
Die holder, is installed with Upper Die-sleeve on upper mold seat, and guiding movement is equipped with the upper mold core with upper cavity along the vertical direction in Upper Die-sleeve
Component is additionally provided with the thimble for carrying out punching press to the workpiece in upper cavity in Upper Die-sleeve, is equipped in Upper Die-sleeve to upper mold core group
Part application force the active force that it moves down so that upper mold core assembly before thimble stamped workpieces with lower die core assembly pair
Connect the spring to form the forming cavity closed, it is characterised in that：The thimble is led along the vertical direction with the upper mold core assembly
It is assembled to mobile, the upper end top pressure of spring is in the thimble upper and lower end top pressure on the upper mold core assembly, and thimble is in the bullet
Top pressure is assemblied on the die-cushion being installed on the upper mold seat under the action of spring, and the lower end of the Upper Die-sleeve is installed with upper mold
Lid, upper mould cover has to be coordinated to prevent upper mold core component under the action of the spring deviating from downwards for limiting with upper mold core assembly block
The upper Stop structure of Upper Die-sleeve, upper mould cover are equipped with the lower die that is used for thermal upsetting die coaxially arranged with the upper mold core assembly
On lower die core assembly coincide be oriented to inserting with guide the upper die and lower die of thermal upsetting die be oriented to cooperation pilot hole.
5. thermal upsetting die according to claim 4, it is characterised in that：The upper mold core assembly is including upper mold core retainer plate and admittedly
Upper mold core set on the endoporus lower part of upper mold core retainer plate, the lower face of upper mold core is concordant with the lower face of upper mold core retainer plate, upper mold core tool
There is the upper surface that the radially projecting inner hole wall in upper mold core retainer plate is arranged, the endoporus guiding movement of the thimble and upper mold core retainer plate fills
Match, the spring is located in the endoporus of upper mold core retainer plate and lower end top pressure is on the upper surface of the upper mold core.
6. thermal upsetting die according to claim 5, it is characterised in that：It is correspondingly provided on the die-cushion and the thimble
Top corresponds to the locating slot of positioning inserting.
7. thermal upsetting die according to claim 5, it is characterised in that：The upper mold core assembly is including upper mold core retainer plate and admittedly
The lower mold core being located in the endoporus of upper mold core retainer plate, the lower face of upper mold core is concordant with the lower face of upper mold core retainer plate, the upper mold core
The upper cavity of component is arranged in the upper mold core, has upper molding structure in upper cavity, and the lower die core assembly includes lower die
Core and lower die core retainer plate, the upper surface of lower mold core are equipped with lower forming tank, and lower forming tank is downward with upper mold core assembly in upper mold seat
Dock the forming cavity to form the closing when mobile with the lower face of the upper mold core before mandril stamped workpieces.
8. thermal upsetting die according to claim 5, it is characterised in that：Under the lower die includes fixing assembling together
Die holder and lower die cap, the lower die core assembly are fixed on by the press fitting of lower die cap on the die holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510598403.5A CN105195658B (en) | 2015-09-17 | 2015-09-17 | A kind of thermal upsetting die and its upper mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510598403.5A CN105195658B (en) | 2015-09-17 | 2015-09-17 | A kind of thermal upsetting die and its upper mold |
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| CN105195658A CN105195658A (en) | 2015-12-30 |
| CN105195658B true CN105195658B (en) | 2018-06-26 |
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| CN201510598403.5A Active CN105195658B (en) | 2015-09-17 | 2015-09-17 | A kind of thermal upsetting die and its upper mold |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN110026537A (en) * | 2019-03-06 | 2019-07-19 | 南安市天筹机械贸易有限公司 | A kind of gear base thermion shake mould metal die |
| CN110053215A (en) * | 2019-03-28 | 2019-07-26 | 江苏雨燕模业科技股份有限公司 | A kind of automobile door panel injection mold |
| CN110518434B (en) * | 2019-08-23 | 2021-02-26 | 贵州航天电器股份有限公司 | A mould that is used for two fat some fried dough twist needles to dash fat |
| CN110538958A (en) * | 2019-09-29 | 2019-12-06 | 安庆市兴业精工机械有限公司 | Pin shaft step forging forming die and pin shaft step machining method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004141883A (en) * | 2002-10-21 | 2004-05-20 | Honda Motor Co Ltd | Double acting type forging shaping method and apparatus therefor |
| CN202639184U (en) * | 2012-07-10 | 2013-01-02 | 航天精工有限公司 | Hot upsetting mold of dodecagonal flange face bolt |
| CN203853498U (en) * | 2014-03-19 | 2014-10-01 | 河南航天精工制造有限公司 | Hot upsetting mold of upper die molding and upper die used for hot upsetting mold |
| CN204276686U (en) * | 2014-12-10 | 2015-04-22 | 重庆沃特尔粉末冶金有限公司 | Spring base mould |
| CN205043062U (en) * | 2015-09-17 | 2016-02-24 | 河南航天精工制造有限公司 | Hot -forging dies utensil and go up mould thereof |
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