CN103658483B - Cup and rod integrated part type forge piece heat extruding die - Google Patents
Cup and rod integrated part type forge piece heat extruding die Download PDFInfo
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- CN103658483B CN103658483B CN201210327878.7A CN201210327878A CN103658483B CN 103658483 B CN103658483 B CN 103658483B CN 201210327878 A CN201210327878 A CN 201210327878A CN 103658483 B CN103658483 B CN 103658483B
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Abstract
The open a kind of cup and rod integrated part type forge piece heat extruding die of the present invention, the hot-forging die overcoming prior art uses the defect that water-spraying control mechanism exists, a kind of cup and rod integrated part type forge piece heat extruding die with the chiller that cooling is uniform, efficiency is high and controlled is provided, including cope match-plate pattern and lower bolster, cope match-plate pattern is fixedly connected with drift, and drift overlaps discharging set；Lower die-sleeve it is fixedly connected with on lower bolster, in lower die-sleeve, close-fitting has lower mold core, the medial surface of lower die-sleeve is provided with the helicla flute constituting cooling-water duct, the side, upper end of lower die-sleeve has pipe joint port to connect with spiral fluted upper end, and the side, bottom of lower die-sleeve also has pipe joint port to connect with spiral fluted lower end.The present invention sets helicla flute and directly cools down lower mold core around core rod, cooling water, and cooling effectiveness is high, and bidirectional fluid coordinates cooling, and the flow of bifilar fluid is individually controllable, and mould temperature is uniform and controlled；Seal simple structure and seal reliable；Assemble or renewal part is convenient.
Description
Technical field
The invention belongs to hot-extrusion mold technical field, be specifically related to a kind of cup and rod integrated part type forge piece heat extruding die.
Background technology
The hot extrusion obturation mould of prior art, in the course of the work because of the long quick heating of heated time, makes mould be in for a long time
Under one higher state of temperature, reality test learn that this temperature may be up to 350 DEG C-500 DEG C, substantially exceed conventional heat and make
The temperature of mould steel, causes the intensity of core rod and case hardness to decline to a great extent, weares and teares and aggravate and early time discards, therefore make mould
The core rod operating temperature of tool is in suitable and controlled state, it is ensured that mould strength and the stability of case hardness, extends mould
In the life-span, reduce die change number of times and the consumption of core rod, improve production efficiency, reduce production cost important in inhibiting, prior art
Also having the scheme that hot-work die carries out cooling provision, but it uses cavity and adds injection, this structure and cooling scheme are deposited
, the deficiency of inhomogeneous cooling even temperature-controllable difference low in efficiency, for the hot extrusion workpiece of cup shell and rod body disjunctor,
Heat is concentrated, and core temperature is more easy to promotion, and prior art is difficult to meet requirement.
Such as China Patent No. is 96230893.5, and the utility model of entitled " heat forging die automatic water spray cooling valve " is special
Profit, open a kind of automatic water spray cooling valve, a relay electric magnet started, control to promote valve by boosting-rod
Open and close, water-spraying control valve by the valve rod of band rubber taper work surface spool and the valve body of band conical valve seat and spring,
Valve gap forms, the valve seat lower end that water inlet is located in valve body, and water outlet duct is located on the valve seat conical surface, between valve rod and valve body, valve body
And between water-in and water-out pipe joint, it is designed with sealing ring, thus can guarantee that and water inlet pipe and water outlet pipe is full of cooling water all the time, and do not produce water clock
Phenomenon.This automatic water spray cooling valve focuses on that the structure of water-spraying control valve is improved, and fails for mould inside cooling structure
Noted, still continue to use cavity and add the scheme of injection.
And for example China Patent No. is ZL200610073936.2, entitled " lubricates and cool down mould, spy in forming technique
The device of forging die and instrument " patent of invention, disclose a kind of be configured to injector head, in forming technique lubrication and
The device of cooling mould, particularly forging die and instrument, wherein for cooling medium, compressed air and the transfer passage of lubricant medium
It is positioned in a common and compact housing, but they extend separated from each other, and wherein give these separate flowings
Passage has been respectively configured nozzle, and this nozzle is particularly used for the injection of lubricant medium or for the injection of cooling medium.This
Device, in order to take into account cooling and the function of lubrication, uses put-through channel and eject mechanism, equally exists that efficiency is low, inhomogeneous cooling is even
Deficiency with poor controllability.
Summary of the invention
The technical issues that need to address of the present invention are, overcome the hot-forging die of prior art to use water-spraying control mechanism to exist
Defect, it is provided that a kind of cup and rod integrated part type forge piece heat extruding die with the chiller that cooling is uniform, efficiency is high and controlled.
It is an object of the invention to be achieved by following technical proposals: a kind of cup and rod integrated part type forge piece heat extruding die,
Including cope match-plate pattern and lower bolster, cope match-plate pattern is fixedly connected with drift, and drift overlaps discharging set；It is fixedly connected with down on lower bolster
Die sleeve, in lower die-sleeve, close-fitting has lower mold core, and the medial surface of lower die-sleeve is provided with the helicla flute constituting cooling-water duct, lower die-sleeve
Side, upper end has pipe joint port to connect with spiral fluted upper end, and also there are pipe joint port and spiral shell in the side, bottom of lower die-sleeve
The lower end connection of spin slot.
The bottom of drift and discharging set collectively constitutes upper die head and extrudes hot extrusion casting die, and the inner chamber of lower mold core constitutes hot extrusion
Casting die profile die cavity, in the case of not adding cooling water, the heat of hot extrusion casting die is mainly conducted also through lower die-sleeve by lower mold core
Distributing in air, this heat radiation is extremely slow, causes mould temperature drastically to raise, until mould temperature is far above atmospheric temperature, due to temperature
Difference great disparity, is just in thermal equilibrium state, but the condition of high temperature at this moment is for lower mold core, will result in serious damage；Adding
After cooling water, major part heat is carried out heat exchange by lower mold core and cooling water in helicla flute and the water that is cooled carries and spreads out of
Mold, owing to water is excellent heat carrier, under conditions of rationally arranging cooling duct, it is ensured that lower mold core outer surface
Temperature less than 100 DEG C, make the heat of lower mold core body under the conditions of bigger internal-external temperature difference rapidly conduction to outside；This
Bright described rationally arranging cooling duct, technical scheme is the spiral shell being provided with on the inner side taper seat of lower die-sleeve and constituting cooling-water duct
Spin slot, helicla flute is wrapped in lower mold core periphery, good cooling results, and this scheme is particularly advantageous in manual or automatic regulation and control mould temperature.
As preferably, described helicla flute is twin-feed spiral groove, each spiral head portion of twin-feed spiral groove respectively be located at down
Pipe joint port connection on die sleeve.In twin-feed spiral groove, logical cooling water, wherein has in one helicla flute and cools down water from top to bottom
Flowing, cools down water and flows from bottom to top, make the homogeneous temperature everywhere of lower die-sleeve and lower mold core in another road helicla flute；Bifilar cooling
The uninterrupted of water can be controlled according to the detection Dynamic data exchange from temperature sensor by micro-process, most beneficial for automatically adjusting
Control Mo Wengao low degree.
As preferably, the inner side of lower die-sleeve is up/down perforation and lower big the least conical bore, the outer peripheral face of lower mold core be with
The taper seat that described conical bore is adaptive.Coordinate with taper seat and be beneficial to quickly assemble and reliably seal.
As preferably, it is characterized in that, the tapering of described conical bore is 1～1.5 °.
As preferably, discharging set is connected with cope match-plate pattern by caging bolt, and caging bolt is cased with compression spring, compression spring
One end withstand on the counterbore one being located at cope match-plate pattern downside, the other end of compression spring withstands on the counterbore of upper side of discharging set
On two.
As preferably, uniform four of described caging bolt.
As preferably, described spiral fluted section is arc-shaped structure, and the width of arc-shaped structure is 12～15mm, the degree of depth
It is 3～5mm.
As preferably, the upper and lower parts of lower die-sleeve outer peripheral face are designed with temperature sensor, temperature sensor and controller
Microprocessor electrically connects, and controller is provided with temperature indicator.
As preferably, two helicla flute starting points of twin-feed spiral groove position circumferentially differs 180 °.
The invention has the beneficial effects as follows:
1, lower mold core is directly cooled down by helicla flute around core rod, cooling water, and cooling effectiveness is high；
2, bidirectional fluid coordinates cooling, and the flow of bifilar fluid is individually controllable, and mould temperature is uniform and controlled reaches optimum state；
3, seal simple structure and seal reliable；
4, simple in construction, assembling or renewal part are convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present invention；
Fig. 2 is the lower die-sleeve generalized section of a kind of embodiment；
Fig. 3 is another kind of embodiment lower die-sleeve generalized section.
In figure, cope match-plate pattern 1；Counterbore 1；Screw 2；Drift 3；Discharging set 4；Counterbore 2 41；Caging bolt 5；Compression spring
6；Lower die-sleeve 7；Conical bore 71；Helicla flute 72；Pipe joint port 73；Lower mold core 8；Lower bolster 9；Retainer bar 91；Hot extrusion casting die 10.
Detailed description of the invention
The invention will be further described with specific embodiments below in conjunction with the accompanying drawings.
Embodiment: as shown in Figure 1 and Figure 2, a kind of cup and rod integrated part type forge piece heat extruding die, including cope match-plate pattern 1 and lower bolster 9,
Cope match-plate pattern 1 is fixedly connected with drift 3 by screw 2, and drift 3 overlaps discharging set 4, and discharging set 4 is by caging bolt 5 and upper mold
Plate 1 connects, and caging bolt 5 is cased with compression spring 6, and one end of compression spring 6 withstands on the counterbore one being located at cope match-plate pattern 1 downside
On 11, on the counterbore 2 41 of the upper side that the other end of compression spring 6 withstands on discharging set 4, the effect of compression spring is in die sinking
Rear promotion discharging set down ejects hot extrusion part 10, uniform four of caging bolt 5；Lower die-sleeve 7 it is fixedly connected with on lower bolster, under
In die sleeve, close-fitting has lower mold core 8, the inner side of lower die-sleeve 7 to be up/down perforation and lower big little conical bore 71, the periphery of lower mold core 8
Face is and the taper seat of described conical bore 71 adaptation, and the tapering of conical bore 71 is 1～1.5 °, and preferred value takes 1 ° 8 ' 45 " (1:50),
Use structural type Cone fit, apply certain assembly force and obtain interference fit；There is retainer hole at the lower central position of lower mold core, torr
Material is furnished with retainer bar 91 in hole, and the lower end of retainer bar 91 compresses with the ejector beam being located on hot pressing lathe.
The medial surface of lower die-sleeve 7 is provided with the helicla flute 72 constituting cooling-water duct, and there is pipe the side, upper end of lower die-sleeve 7
Joint port 73 connects with the upper end of helicla flute 72, and also there are pipe joint port and helicla flute 72 in the side, bottom of lower die-sleeve 7
Lower end connects, and the pipe joint of input connects conveying pipe and is connected with water pump through control valve.
The bottom of drift 3 and discharging set 4 collectively constitutes upper die head and extrudes hot extrusion casting die 10, the inner chamber structure of lower mold core 8
Becoming hot extrusion casting die profile die cavity, in the case of not adding cooling water, the heat of hot extrusion casting die mainly passes through lower mold core 8 through lower die-sleeve
7 conduction also distribute in air, and this heat radiation is extremely slow, causes mould temperature drastically to raise, until mould temperature is far above atmospheric temperature,
Due to temperature difference great disparity, heat transfer is accelerated, is just in thermal equilibrium state, but the condition of high temperature at this moment is for lower mold core 8, will result in
Serious damage；After having added cooling water, major part heat is carried out heat exchange by lower mold core 8 with cooling water in helicla flute 72
And cooled water carries and spreads out of mold, owing to water is excellent heat carrier, under conditions of rationally cooling duct is set, can
To ensure that the hull-skin temperature of lower mold core 8, less than 100 DEG C, makes the heat of lower mold core 8 body under the conditions of bigger internal-external temperature difference
Conduction is to outside rapidly；Of the present invention rationally arranging cooling duct, technical scheme is to set on the conical bore 71 of lower die-sleeve 7
Having the helicla flute 72 constituting cooling-water duct, helicla flute 72 is wound around and is wrapped in lower mold core 8 periphery, and cooling water is directly to lower mold core 8
Cooling, good cooling results, this helicla flute cooling scheme is particularly advantageous in artificial regulatory or auto-control mould temperature.
The section of helicla flute 72 is arc-shaped structure, and the width of arc-shaped structure is 12～15mm, and the degree of depth is 3～5mm.By
The least in the tapering of lower die-sleeve conical bore, can process by cylindrical hole surface turning helicla flute when Vehicle Processing helicla flute,
With Simplified flowsheet；Circular section structure is conducive to lowering flow of cooling water resistance.
The upper and lower parts of lower die-sleeve 7 outer peripheral face are designed with temperature sensor fixing hole, directly arrive bottom the hole of installing hole
Or the outer surface close to lower mold core, temperature sensor electrically connects with the microprocessor of controller, and controller is provided with temperature indicator.
Embodiment 2: as it is shown on figure 3, helicla flute 72 is twin-feed spiral groove, two helicla flute starting points of twin-feed spiral groove are being justified
Position on week differs 180 °, a total of four of pipe joint, wherein upper left quarter one, lower left quarter one, upper right quarter one, bottom right
One, portion, the head of twin-feed spiral Cao Ge road spiral connects with the pipe joint port being located on lower die-sleeve respectively, remaining structure
With embodiment 1.The leaving water temperature of cooling water differ frequent more than 50 DEG C with inflow temperature, this can cause lower mold core top with under
The temperature difference that portion is bigger, logical cooling water in twin-feed spiral groove, wherein there is cooling water in one helicla flute to flow from top to bottom, another road
Helicla flute cools down water flow from bottom to top, make the homogeneous temperature everywhere of lower die-sleeve and lower mold core；The flow of bifilar cooling water is big
Little can by micro-process according to from temperature sensor detection Dynamic data exchange control, this scheme is most beneficial for auto-control
Mo Wengao low degree.
The present invention can apply in various hot-extrusion molds, has good cooling results, and bidirectional fluid coordinates cooling, bifilar stream
Measuring individually controllable, mould temperature is uniform and controlled to optimum state and seal simple structure and seal reliable advantage, this area
If foregoing invention content is made simple amendment or replaces by technical staff, such change is not to be regarded as a departure from the present invention's
Scope, all so obvious to those skilled in the art amendments are included within the scope of the claim of the present invention
Within.
Claims (8)
1. a cup and rod integrated part type forge piece heat extruding die, including cope match-plate pattern and lower bolster, is characterized in that, cope match-plate pattern is fixedly connected with
Drift, drift overlaps discharging set；Being fixedly connected with lower die-sleeve on lower bolster, in lower die-sleeve, close-fitting has lower mold core, lower die-sleeve
Medial surface is provided with the helicla flute constituting cooling-water duct, and the side, upper end of lower die-sleeve has on pipe joint port and spiral fluted
End connection, the side, bottom of lower die-sleeve also has pipe joint port to connect with spiral fluted lower end；Described helicla flute is double end spiral shell
Spin slot, each spiral head portion of twin-feed spiral groove connects with the pipe joint port being located on lower die-sleeve, in twin-feed spiral groove respectively
Logical cooling water, wherein has cooling water in one helicla flute to flow from top to bottom, cools down water and flow from bottom to top in another road helicla flute
Dynamic.
Cup and rod integrated part type forge piece heat extruding die the most according to claim 1, is characterized in that, the inner side of lower die-sleeve is for pass through up and down
Logical and lower big little conical bore, the outer peripheral face of lower mold core is the taper seat adaptive with described conical bore.
Cup and rod integrated part type forge piece heat extruding die the most according to claim 2, is characterized in that, the tapering of described conical bore is 1
~1.5°。
Cup and rod integrated part type forge piece heat extruding die the most according to claim 2, is characterized in that, discharging set by caging bolt with
Cope match-plate pattern connects, and caging bolt is cased with compression spring, and one end of compression spring withstands on the counterbore one being located at cope match-plate pattern downside,
On the counterbore two of the upper side that the other end of compression spring withstands on discharging set.
Cup and rod integrated part type forge piece heat extruding die the most according to claim 4, is characterized in that, described caging bolt uniform four
Individual.
Cup and rod integrated part type forge piece heat extruding die the most according to claim 4, is characterized in that, described spiral fluted section is circle
Arcuate structure, the width of arc-shaped structure is 12 ~ 15mm, and the degree of depth is 3 ~ 5mm.
Cup and rod integrated part type forge piece heat extruding die the most according to claim 4, is characterized in that, lower die-sleeve outer peripheral face upper and lower
Position is designed with temperature sensor, and temperature sensor electrically connects with the microprocessor of controller, and controller is provided with temperature indicator.
Cup and rod integrated part type forge piece heat extruding die the most according to claim 7, is characterized in that, two spirals of twin-feed spiral groove
Groove starting point position circumferentially differs 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210327878.7A CN103658483B (en) | 2012-09-07 | 2012-09-07 | Cup and rod integrated part type forge piece heat extruding die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210327878.7A CN103658483B (en) | 2012-09-07 | 2012-09-07 | Cup and rod integrated part type forge piece heat extruding die |
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| CN103658483A CN103658483A (en) | 2014-03-26 |
| CN103658483B true CN103658483B (en) | 2016-10-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583621A (en) * | 2016-12-28 | 2017-04-26 | 苏州金钜松机电有限公司 | Hot-forged mold |
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| CN103658483A (en) | 2014-03-26 |
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Address after: 311215 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Wanxiang Qianchao Co.,Ltd. Patentee after: WANXIANG GROUP Co.,Ltd. Address before: 311215 Technology Center of Wanxiang Group Company, No. 1 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: WANXIANG QIANCHAO Co.,Ltd. Patentee before: WANXIANG GROUP Co.,Ltd. |
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