CN208991487U - A kind of extrusion die of the big wide cut of track vehicle body skirtboard than thin-wall section - Google Patents
A kind of extrusion die of the big wide cut of track vehicle body skirtboard than thin-wall section Download PDFInfo
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- CN208991487U CN208991487U CN201821675806.0U CN201821675806U CN208991487U CN 208991487 U CN208991487 U CN 208991487U CN 201821675806 U CN201821675806 U CN 201821675806U CN 208991487 U CN208991487 U CN 208991487U
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Abstract
The utility model belongs to aluminium alloy extrusion mould field, it is related to a kind of extrusion die of the big wide cut of track vehicle body skirtboard than thin-wall section, using the scheme for reducing mold center portion feed area, effectively reduce the feed of upper die mold center portion tap hole, feed area and the expanding area on the outside of upper mold are increased, to achieve the purpose that increase upper mold two sides feed.By adding bridge pier at shunt bridge both ends, the structural strength of shunt bridge is greatly improved, effectively solves the problems, such as to cause fracture because shunt bridge intensity is insufficient；Using the bonding container of butterfly, the mobility of metal can be accelerated, eliminate the dead zone between tap hole, reduce crush resistance, to improve extruded product weldquality；Cooling device is set at lower die work belt, and solving mold, temperature change is larger in extrusion process, to cause mold hot fatigue problem, while being of great significance to the service life for improving extruded product surface quality and mold.
Description
Technical field
The utility model belongs to aluminium alloy extrusion mould field, is related to a kind of big wide cut of track vehicle body skirtboard and compares thin-wall section
Extrusion die.
Background technique
Existing aluminum alloy mould design rests on the degree that product width is less than 700mm, is greater than to product width
For the profile of 700mm, extruder extrusion cylinder diameter is small, and extension feed is excessive, and mold design is difficult, and product molding is very
Difficulty, the qualification rate of machine is very low on mold.Therefore, it is necessary to be directed to, width is larger, wide cut is bigger, the relatively thin profile of integral thickness
Corresponding mold is designed, to meet the needs of modern production.
Utility model content
In view of this, the squeezing than thin-wall section the purpose of this utility model is to provide a kind of big wide cut of track vehicle body skirtboard
Compression mould, the middle part by reducing mold are fed, and are increased the two sides feed of mold, are made product uniform feeding, improve machine on mold
Qualification rate.
In order to achieve the above objectives, the utility model provides the following technical solutions:
A kind of big wide cut of track vehicle body skirtboard including is carried out by limiting device mutually solid than the extrusion die of thin-wall section
Fixed upper mold and lower die is equipped with mold core in the upper mold, is equipped with shunt bridge in the side of mold core, in mold core towards the side of lower die
One or more tap holes are equipped with, are equipped with feeder channel in tap hole；The lower die is equipped with bonding container towards the side of upper mold
And die hole type chamber, the position opposite with mold core are equipped with empty knife, work belt is located between empty knife and mold core；Upper mold and lower die phase
The end face of cooperation is counterface；The two sides of the shunt bridge are equipped with bridge pier, which is " eight " word with certain inclination angle
"=" type setting of type setting or two sides in parallel；Further include that upper mold is set far from the deflector on the side of lower die, material from
Deflector enters far from the side of upper mold, which is charging end face；And lower die is set far from the mould on the side of upper mold
Pad, material are exported from die-cushion far from the side of lower die, which is discharging end face.
Optionally, it is connected between the tap hole and feeder channel by perforation.
Optionally, fixation is attached by positioning pin and screw between the upper mold and lower die, in upper mold and lower die phase
Corresponding position is equipped with dowel hole and cooperation screw hole.
Optionally, the thickness of the bridge pier is greater than shunt bridge, and excessive for circular arc between shunt bridge and bridge pier, the circular arc half
Diameter is 15~25mm, including 15mm and 25mm.
Optionally, the mold core is equipped with the slope protection of rounding off close to one end of bonding container.
Optionally, the side of the die-cushion is additionally provided with climbing form hole.
Optionally, there are two the climbing form hole is set, it is symmetricly set on die-cushion side.
It optionally, further include the cooling device being arranged at work belt, the cooling device includes liquid nitrogen system and temperature
Control system.
Optionally, the die hole type chamber is connected with cup.
Optionally, the inner wall of the bonding container is rounding off, and whole bonding container is in butterfly.
The utility model has the beneficial effects that:
1, the deflector in the utility model uses the scheme of expanding area, reduces the confession of upper die mold center portion tap hole
Material, increases feed area and the expanding area on the outside of upper mold, to achieve the purpose that increase upper mold two sides feed, divides in upper mold
The area of discharge orifice is stepped up by mold core to outside, and the area of middle part tap hole is about 8000mm2, outside shunts hole area and is about
16000mm2。
2, upper mold feeding inlet two sides shunt bridge respectively reduces 64mm and forms material-holding chamber body in the utility model, and it is empty to increase appearance material
Between, keep the feed far from core portion more sufficient, material-holding chamber body is connect with charging end face in 11 ° and 52 ° of inclined-plane, is accelerated
The speed that Material is flowed to material-holding chamber body, upper mold increase soldering height and the space of Material, make to expect to shunt bridge sinking 15mm
Body can sufficiently merge welding.
3, the utility model greatly improves the structural strength of shunt bridge, effectively solves by adding bridge pier at shunt bridge both ends
Certainly cause the problem of being broken because shunt bridge intensity is insufficient；Using the bonding container of butterfly, the mobility of metal can be accelerated, eliminate and divide
Dead zone between discharge orifice reduces crush resistance, to improve extruded product weldquality；Cooling dress is set at lower die work belt
It sets, solving mold, temperature change is larger in extrusion process, to cause mold hot fatigue problem, while producing to improving to squeeze
Product surface quality and the service life of mold are significant.
Other advantages, target and feature of the utility model will be explained in the following description to a certain extent
It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following
Bright book is achieved and obtained.
Detailed description of the invention
It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer
It is novel to be preferably described in detail, in which:
Fig. 1 for institute's extrudate in the utility model section view；
Fig. 2 is the top view of the utility model；
Fig. 3 is the cross-sectional view of the utility model；
Fig. 4 is the partial enlarged view of die hole type chamber and preceding cell structure；
Fig. 5 is slope protection, perforation, work belt and the partial enlarged view for being fed slot structure.
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that institute in following embodiment
The diagram of offer only illustrates the basic conception of the utility model in a schematic way, in the absence of conflict, following embodiment and
Feature in embodiment can be combined with each other.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this
The limitation of utility model；In order to better illustrate the utility model embodiment, the certain components of attached drawing have omission, amplification or contracting
It is small, do not represent the size of actual product；It will be understood by those skilled in the art that certain known features and its explanation may in attached drawing
Omission will be understood by.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；It is practical at this
In novel description, it is to be understood that if having the instructions such as term " on ", "lower", "left", "right", "front", "rear" orientation or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
The terms describing the positional relationship in the drawings are only for illustration for this, should not be understood as limiting the present invention, for
For those skilled in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
Fig. 1-Fig. 5 is please referred to, the element numbers in attached drawing respectively indicate: deflector 1, upper mold 2, lower die 3, die-cushion 4, soldering
Room 5, perforation 6, work belt 7, mold core 8, discharging end face 9, empty knife 10, counterface 11, feeder channel 12, charging end face 13, slope protection
14, shunt bridge 15, dowel hole 16, bridge pier 17, cooperation screw hole 18, die hole type chamber 19, tap hole 20, cup 21, climbing form hole 22.
A kind of extrusion die the utility model relates to big wide cut of track vehicle body skirtboard than thin-wall section, including pass through limit
The upper mold 2 and lower die 3 that device is fixed to each other, the upper mold 2 is interior to be equipped with mold core 8, is equipped with shunt bridge in the side of mold core 8
15, in mold core 8 towards one or more tap holes 20 are equipped on the side of lower die 3, feeder channel 12 is equipped in tap hole 20；It is described
Lower die 3 is equipped with bonding container 5 and die hole type chamber 19 towards the side of upper mold 2, and the position opposite with mold core 8 is equipped with empty knife
10, work belt 7 is located between empty knife 10 and mold core 8；The end face that upper mold 2 is matched with lower die 3 is counterface 11；The shunting
The two sides of bridge 15 are equipped with bridge pier 17, which is "=" type parallel with " eight " set up of character patt ern at certain inclination angle or two sides
Setting；It further include the deflector 1 being arranged on side of the upper mold 2 far from lower die 3, side of the material from deflector 1 far from upper mold 2
Into the end face is charging end face 13；And the die-cushion 4 on side of the lower die 3 far from upper mold 2 is set, material is remote from die-cushion 4
Side export from lower die 3, the end face are discharging end face 9.
Preferably, it is connected between the tap hole 20 and feeder channel 12 by perforation 6；Lead between the upper mold 2 and lower die 3
It crosses positioning pin and screw is attached fixation, dowel hole 16 and cooperation spiral shell are equipped in upper mold 2 and the corresponding position of lower die 3
Hole 18；The thickness of the bridge pier 17 is greater than shunt bridge 15, and excessive for circular arc between shunt bridge 15 and bridge pier 17, the arc radius
For 15~25mm, including 15mm and 25mm；The mold core 8 is equipped with the slope protection 14 of rounding off close to one end of bonding container 5；Institute
The side for stating die-cushion 4 is additionally provided with climbing form hole 22；There are two the climbing form hole 22 is set, it is symmetricly set on 4 side of die-cushion；It further include setting
The cooling device at work belt 7 is set, the cooling device includes liquid nitrogen system and temperature control system；The die hole type chamber 19
It is connected with cup 21；The inner wall of the bonding container 5 is rounding off, and whole bonding container 5 is in butterfly.
Due to being provided with the bridge pier 17 thicker than shunt bridge 15 in 15 root of shunt bridge, shunt bridge 15 on the one hand can be improved certainly
The structural strength of body can bear bigger crush resistance and squeeze torque；On the other hand since bridge pier 17 is wider than the body of a bridge and and bridge
Body arc transition increases and squeezes metal contact area, and the metal being dispersed on 15 inner surface unit area of shunt bridge is reduced,
The flowing for being conducive to metal, reduces crush resistance, solves the problems, such as 15 early fracture of shunt bridge；Bonding container 5 uses
The bonding container 5 of butterfly, due to not having the dead zone in structure, avoiding metal and resting in dead zone influences the mobility of metal and asks
Topic, to improve weldquality；Cooling device is set at the work belt 7 of lower die 3, the mould in extrusion process can be effectively reduced
Have the changing value of temperature, reduces material and heat fatigue problem occurs.
The cooling device includes liquid nitrogen system and temperature control system as a further modification of the present embodiment, to mold into
Row cooling can be liquid nitrogen as preferred cooling medium, due to liquid in this embodiment using cooling water or gas as cooling medium
Nitrogen low temperature at -196 DEG C hereinafter, can cool down rapidly to mold, to avoid mold temperature change is larger at work to cause heat tired
Labor problem monitors mold temperature in real time by temperature control system, avoids mold temperature fluctuated, make mold temperature
It remains in constant range, is conducive to improve extrusion speed and production efficiency.
The cooling structure for storing liquid nitrogen is additionally provided at the work belt 7 as a further modification of the present embodiment,.In work
Make setting and cooling structure similar in processing part shape at band 7, extrusion pressing type chamber can be reduced rapidly and uniformly and squeezed producing
On the one hand the temperature of product avoids extruded product surface temperature difference is excessive from causing breach or deformation excessive and other issues, another
Extruded product surface quality can be improved in aspect, improves the service life of mold.The mold core 8 as a further modification of the present embodiment,
Using projective table type structure, projective table type structure is more suitable for difficult extrudate compared to frustum type and bevel-type, is more advantageous to metal flow,
Improve extruded product quality.
Experiment shows: can effectively reduce the mold level of meeting with stresses in extrusion process and whole change by the utility model
Shape amount: stress drops to 705MPa from 850MPa；Overall deformation drops to 0.12mm from 0.32mm, finally by aluminium alloy large-sized extruding
The service life of mold (diffluence combination die) is increased to 20~25 tons/mould, and more domestic universal 5~15 tons/mould of service life improves
Nearly 1 times, substantially close to international most advanced level.
Deflector 1 in the utility model reduces by 2 mold center portion tap hole 20 of upper mold using the scheme of extension feed area
Feed, increase the feed area and expanding area in the outside of upper mold 2, to achieve the purpose that increase by 2 two sides of upper mold feed, on
The area of tap hole 20 is stepped up by mold center portion to outside in mould 2, and the area of middle part tap hole 20 is about 8000mm2, outside
Tap hole 20 area in side is about 16000mm2, it is about 27000mm that mold center portion, which is fed area,2, outside is fed area and is about
50000mm2(unilateral side).
2 feeding inlet two sides shunt bridge of upper mold, 15 two sides respectively reduce 64mm and form material-holding chamber body in the utility model, increase
Hold material space, keep the feed far from mold center portion more sufficient, material-holding chamber body and charging end face 13 connect in 11 ° and 52 ° of inclined-plane
It connects, accelerates the speed that Material is flowed to material-holding chamber body, for upper mold 2 to 15 sinking 15mm of shunt bridge, the soldering for increasing Material is high
Degree and space, enable Material sufficiently to merge welding.
The utility model greatly improves the structural strength of shunt bridge 15, has by adding bridge pier 17 at 15 both ends of shunt bridge
Effect solves the problems, such as to cause fracture because 15 intensity of shunt bridge is insufficient；Using the bonding container 5 of butterfly, the flowing of metal can be accelerated
Property, the dead zone between tap hole 20 is eliminated, crush resistance is reduced, to improve extruded product weldquality；3 work belt of lower die
Cooling device is set at 7, and solving mold, temperature change is larger in extrusion process, to cause mold hot fatigue problem, together
When be of great significance to the service life of extruded product surface quality and mold.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, should all without departing from the objective and range of the technical program
Cover in the scope of the claims of the utility model.
Claims (10)
1. a kind of big wide cut of track vehicle body skirtboard is than the extrusion die of thin-wall section, it is characterised in that:
Including the upper mold and lower die being fixed to each other by limiting device, it is equipped with mold core in the upper mold, in the side of mold core
Equipped with shunt bridge, it is equipped with one or more tap holes on side of the mold core towards lower die, is equipped with feeder channel in tap hole；It is described
Lower die is equipped with bonding container and die hole type chamber towards the side of upper mold, and the position opposite with mold core is equipped with empty knife, work belt
Between empty knife and mold core；The end face that upper mold is matched with lower die is counterface；
The two sides of the shunt bridge are equipped with bridge pier, which is parallel with " eight " set up of character patt ern at certain inclination angle or two sides
The setting of "=" type；
It further include that upper mold is set far from the deflector on the side of lower die, material enters from deflector far from the side of upper mold,
The end face is charging end face；And lower die is set far from the die-cushion on the side of upper mold, material from die-cushion far from lower die one
Side export, the end face are discharging end face.
2. the big wide cut of track vehicle body skirtboard as described in claim 1 is than the extrusion die of thin-wall section, it is characterised in that: institute
It states and is connected between tap hole and feeder channel by perforation.
3. the big wide cut of track vehicle body skirtboard as described in claim 1 is than the extrusion die of thin-wall section, it is characterised in that: institute
It states and fixation is attached by positioning pin and screw between upper mold and lower die, it is fixed to be equipped in upper mold and the corresponding position of lower die
Position pin hole and cooperation screw hole.
4. the big wide cut of track vehicle body skirtboard as described in claim 1 is than the extrusion die of thin-wall section, it is characterised in that: institute
The thickness for stating bridge pier is greater than shunt bridge, and excessive for circular arc between shunt bridge and bridge pier, which is 15~25mm, including
15mm and 25mm.
5. the big wide cut of track vehicle body skirtboard as described in claim 1 is than the extrusion die of thin-wall section, it is characterised in that: institute
State the slope protection that mold core is equipped with rounding off close to one end of bonding container.
6. the big wide cut of track vehicle body skirtboard as described in claim 1 is than the extrusion die of thin-wall section, it is characterised in that: institute
The side for stating die-cushion is additionally provided with climbing form hole.
7. the big wide cut of track vehicle body skirtboard as described in claim 6 is than the extrusion die of thin-wall section, it is characterised in that: institute
It states there are two climbing form hole sets, is symmetricly set on die-cushion side.
8. the big wide cut of track vehicle body skirtboard as described in claim 1 is than the extrusion die of thin-wall section, it is characterised in that: also
Including the cooling device at work belt is arranged in, the cooling device includes liquid nitrogen system and temperature control system.
9. the big wide cut of track vehicle body skirtboard as described in claim 1 is than the extrusion die of thin-wall section, it is characterised in that: institute
Die hole type chamber is stated to be connected with cup.
10. the big wide cut of track vehicle body skirtboard as described in claim 1 is than the extrusion die of thin-wall section, it is characterised in that:
The inner wall of the bonding container is rounding off, and whole bonding container is in butterfly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821675806.0U CN208991487U (en) | 2018-10-16 | 2018-10-16 | A kind of extrusion die of the big wide cut of track vehicle body skirtboard than thin-wall section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821675806.0U CN208991487U (en) | 2018-10-16 | 2018-10-16 | A kind of extrusion die of the big wide cut of track vehicle body skirtboard than thin-wall section |
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| Publication Number | Publication Date |
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| CN208991487U true CN208991487U (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821675806.0U Active CN208991487U (en) | 2018-10-16 | 2018-10-16 | A kind of extrusion die of the big wide cut of track vehicle body skirtboard than thin-wall section |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109013737A (en) * | 2018-10-16 | 2018-12-18 | 辽宁忠旺集团有限公司 | A kind of extrusion die of the big wide cut of track vehicle body skirtboard than thin-wall section |
-
2018
- 2018-10-16 CN CN201821675806.0U patent/CN208991487U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109013737A (en) * | 2018-10-16 | 2018-12-18 | 辽宁忠旺集团有限公司 | A kind of extrusion die of the big wide cut of track vehicle body skirtboard than thin-wall section |
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