CN208895164U - A kind of liquid-state forging die of axle sleeve blank - Google Patents
A kind of liquid-state forging die of axle sleeve blank Download PDFInfo
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- CN208895164U CN208895164U CN201821491398.3U CN201821491398U CN208895164U CN 208895164 U CN208895164 U CN 208895164U CN 201821491398 U CN201821491398 U CN 201821491398U CN 208895164 U CN208895164 U CN 208895164U
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Abstract
The utility model discloses a kind of liquid-state forging dies of axle sleeve blank, lower mold apparatus including upper die device and with upper die device cooperation, the upper die device includes the upper mold for carrying out pressurization to molten metal and filling type, the lower mold apparatus includes lower die, plug and mandril, the jogger hole clearance fit opened up below mandril axial direction one end and lower die, the mandril axial direction other end is fixed by fixed device, the lower plug mounting hole opened up on axial one end of two plugs and the axially symmetric two sides of lower die is connect, the two plug axial direction other ends are connect in the upper mold direction of motion with the upper plug mounting hole clearance fit opened up in upper mold, the die cavity for holding molten metal is formed between plug and lower die；Molten metal can fill die cavity with constant flow, do not occur cold shut defect, improve the formed precision of product.
Description
Technical field
The utility model relates to the processing technique field of gear pump sleeve more particularly to a kind of liquid forgings of axle sleeve blank
Mold.
Background technique
Liquid forging is directly to be poured into a certain amount of in the type chamber for being coated with lubricant by ingot metal liquid, and be continuously applied
Mechanical static pressure, using easily flowing and forging technology make the hard shell solidified generate plastic deformation when metal casting solidification forming,
Making metal, crystallization and freezing and forcing eliminates the shrinkage cavity shrinkage porosity formed by solidification shrinkage under stress, to obtain the liquid without casting flaw
Morphotype wrought product；Mold used in the process of aluminum alloy melt state die-forging forming is extremely important, if mold design goes wrong, institute
The product of production is probably entirely waste product.Current each aluminium alloy manufacturing enterprise recognizes the importance of mold, all in mould
The design and manufacture means of tool, method, the selection of material etc. carry out deep exploration and research, process mold to reach
Period is short, the service life is long, while the alloy product for requiring mold to produce precision with higher and finish.So how
Aluminium alloy is shaped by liquid-state forging die, becomes the current research direction for improving aluminium alloy quantity of sintered parts.
Utility model content
Technical problems based on background technology, the utility model proposes a kind of liquid forging moulds of axle sleeve blank
Tool, molten metal can fill die cavity with constant flow, not occur cold shut defect, improve the formed precision of product.
The utility model proposes a kind of axle sleeve blank liquid-state forging die, including upper die device and match with upper die device
The lower mold apparatus of conjunction, the upper die device include carrying out pressurization to molten metal to fill the upper mold of type, the lower mold apparatus include lower die,
Plug and mandril.
The jogger hole clearance fit opened up below mandril axial direction one end and lower die, the mandril axial direction other end pass through fixed device
Fixed, the lower plug mounting hole opened up on axial one end and the axially symmetric two sides of lower die of two plugs is connect, and two plugs are axially another
One end is connect in the upper mold direction of motion with the upper plug mounting hole clearance fit opened up in upper mold, is formed between plug and lower die
For holding the die cavity of molten metal.
Further, plug and the radial cross-section of lower die junction product are greater than its radial cross-section product far from lower die,
Be the cylindrical body without gradient with the plug of the lower plug mounting hole connecting portion, plug with the lower plug mounting hole upper end
Face is the first plane, and axial direction of the plug on the basis of first plane far from lower die has 0.5-10 ° of gradient.
Further, lower die lower part axial periphery is provided with the lower die-sleeve that connection is coaxially interference fitted with lower die, lower die-sleeve
Axial side is provided with the thermocouple mounting hole for installing external thermocouple.
Further, the plug pressing plate being threadedly coupled with lower die is provided in lower die, mandril axial direction one end passes through plug pressure
The jogger hole clearance fit opened up below plate and lower die.
Further, the upper die device further includes upper mold flange, and upper mold flange is in the one side of the lower mold apparatus
It is threadedly coupled upper mold, upper mold flange is a plate, uniformly offers the first counterbore thereon, the first counterbore is evenly distributed in the upper surface with upper mold
The screw thread hole number opened up is equal and position is corresponding.
Further, the upper plug mounting hole is provided with gas vent in the side far from plug, and gas vent passes through upper mold
With the first counterbore connection opened up on upper mold flange.
Further, the fixed device includes lower push rod gland, the lower push rod seat being threadedly coupled with lower push rod gland, under
Mandril gland is a plate and offers the second uniformly distributed counterbore thereon, and mandril and the second counterbore concentric gap cooperate.
A kind of the advantages of liquid-state forging die of axle sleeve blank provided by the utility model, is: in the utility model structure
A kind of liquid-state forging die of the axle sleeve blank provided, during pressure persistent pressure fills type, molten metal can continue to flow
Dynamic filling die cavity, does not occur cold shut defect, improves the formed precision of product；Using direct weighting, pressing speed is slow, and upper mold is set
The gas vent set can be eliminated by subsequent machining, ensure that inside axle sleeve without stomata and inclusion defect；This mold segment
Mold eliminates riser, reduces machining allowance, saves material, reduces manufacturing cost；Upper/lower die structure is simple, and general
Press can meet requirement, and for the shaft set of large, medium and small different size, unlike material, have extensive be applicable in
Property；It is equipped with coating protection layer on the mold with molten metal contacts, not only ensures die life but also obtained axle sleeve
Mold base surface smoothness is high；The clearance fit of plug and upper mold not only makes product easy to fall off, but also ensure that upper mold will not block
In lower die.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of axle sleeve blank liquid-state forging die structural schematic diagram；
Fig. 2 be the utility model proposes a kind of axle sleeve blank liquid-state forging die liquid forging method workflow
Cheng Tu；
Wherein, 1, upper mold flange, 2, upper mold, 3, gas vent, 4, product, 5, lower die, 6, plug, 7, thermocouple mounting hole,
8, lower die-sleeve, 9, plug pressing plate, 10, mandril, 11, lower push rod gland, 12, lower push rod seat.
Specific embodiment
In the following, the technical solution of the utility model is described in detail by specific embodiment.
As shown in Figure 1, the utility model proposes a kind of axle sleeve blank liquid-state forging die, including upper die device and with
The lower mold apparatus of upper die device cooperation, the upper die device include the upper mold for carrying out pressurization to molten metal and filling type, the lower die dress
It sets including lower die 5, plug 6 and mandril 10；The jogger hole clearance fit opened up below the axial one end of mandril 10 and lower die 5, mandril
The 10 axial other ends are fixed by fixed device, the lower core opened up on axial one end and the axially symmetric two sides of lower die 5 of two plugs 6
The connection of stick mounting hole, the axial other end of two plug 6 is in 2 direction of motion of upper mold and between the upper plug mounting hole that opens up in upper mold 2
Gap is cooperatively connected, and the die cavity for holding molten metal is formed between plug 6 and lower die 5.The upper plug mounting hole is far from core
The side of stick 6 is provided with gas vent 3, and gas vent 3 passes through the first counterbore connection opened up on upper mold 2 and upper mold flange 1.
The radial cross-section product of plug 6 and 5 junction of lower die is greater than its radial cross-section product far from lower die 5, and described
The plug 6 of lower plug mounting hole connecting portion is the cylindrical body without gradient, and plug 6 to be with the lower plug mounting hole upper surface
First plane, axial direction of the plug 6 on the basis of first plane far from lower die 5 have 0.5-10 ° of a gradient, and preferably 5 °,
At the 3-8mm that the axial one end end of plug 6 passes through the upper plug mounting hole endface position opened up in upper mold 2, plug 6 and upper mold 2
The gradient of contact position is adjusted to 0.5-2 °, preferably 1 °.Upper plug mounting hole be the cylinder without gradient, guarantee plug 6 with it is upper
Plug mounting hole clearance fit so that upper mold molded with lower die and pressurize fill type when, upper mold will not be stuck in lower die.
5 lower part axial periphery of lower die is provided with the lower die-sleeve 8 with the coaxial interference fit connection of lower die 5, lower die-sleeve 8 axial one
Side is provided with the thermocouple mounting hole 7 for installing external thermocouple, and thermocouple can be monitored in real time by thermocouple mounting hole 7
The temperature of mold.The plug pressing plate 9 being threadedly coupled with lower die 5 is provided in lower die 5, the axial one end of mandril 10 passes through plug pressing plate
9 with the jogger hole clearance fit that opens up below lower die 5.
The upper die device further includes upper mold flange 1, and upper mold flange 1 is threadedly coupled in the one side of the lower mold apparatus
Upper mold 2, upper mold flange 1 are a plate, uniformly offer the first counterbore thereon, the first counterbore is evenly distributed in the upper surface with upper mold 2 and opens up
Screw thread hole number it is equal and position is corresponding.
The fixed device includes lower push rod gland 11, the lower push rod seat 12 being threadedly coupled with lower push rod gland 11, lower top
Bar gland 11 is a plate and offers the second uniformly distributed counterbore thereon, and mandril 10 and the second counterbore concentric gap cooperate,
Lower push rod seat 12 be a plate and it is uniformly distributed thereon have the first threaded hole corresponding with the first counterbore position, on lower push rod seat 12
Uniformly distributed third counterbore is offered, third counterbore is corresponding to the second screw thread hole site on lower oil cylinder, and lower oil cylinder passes through the second spiral shell
Pit, third counterbore are threadedly coupled with lower push rod seat 12, and lower oil cylinder and mandril 10 are drivingly connected.
It is being opened up in upper mold 2 with 6 clearance fit of plug upper plug mounting hole so that upper mold 2 is filling type to the pressurization of lower die 5
When, form the axle sleeve of through-hole.
Upper mold flange 1, upper mold 2, lower die 5, plug 6, lower die-sleeve 8, plug pressing plate 9, lower push rod gland 11, lower push rod seat 12
It is made of H13.
As shown in Fig. 2, a kind of liquid-state forging die of axle sleeve blank prepares the liquid mold segment method of axle sleeve blank, including with
Lower step:
S1: installation mold；
Upper mold flange 1 is connected on the upper connecting column of liquid forging lathe, upper mold 2 is connected on upper mold flange 1；It will
Lower push rod seat 12 is connected under lathe on oil cylinder, successively installs plug 6, lower push rod gland 11, lower die 5 and lower die-sleeve 8, most laggard
Row realizes upper/lower die and molds and guarantee clearance fit to die process；
S2: molding；
Using liquid forging special purpose machine tool, relevant parameter is set, modulates automatic die assembly mode, both hands starting, which is realized, closes
Mould；
S3: casting；
Upper mold 2 moves upwards, and is 670-750 DEG C by temperature, the molten metal that volume is blank volume directly pours into 5 and of lower die
Plug 6 is formed by die cavity；
S4: pressurization fills type and holds pressure feeding；
When type is filled in pressurization, liquid forging lathe pushes upper mold 2 to move downward with the speed of 3-100mm/s, by molten metal filing
Full entire die cavity；
When holding pressure feeding, liquid forging lathe is 10-80MPa with pressure, continues to press on upper mold 2 and persistently applies to molten metal
Pressure keeps pressure, until solidification completely；
S6: pressure-off part is unloaded；
Liquid forging lathe releases the pressure of upper mold 2, and upper mold 2 is resetted, and mandril 10 is driven by lower oil cylinder by product top
Lower die 5 out obtain axle sleeve blank product.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of liquid-state forging die of axle sleeve blank, the lower mold apparatus including upper die device and with upper die device cooperation is special
Sign is that the upper die device includes the upper mold for carrying out pressurization to molten metal and filling type, and the lower mold apparatus includes lower die (5), core
Stick (6) and mandril (10)；
The jogger hole clearance fit opened up below mandril (10) axial direction one end and lower die (5), mandril (10) the axial direction other end pass through
Fixed device is fixed, and the lower plug mounting hole opened up on the axially symmetric two sides in axial one end and lower die (5) of two plugs (6) connects
It connects, two plugs (6) the axial direction other end is matched in upper mold (2) direction of motion with the upper plug installation interporal lacuna opened up on upper mold (2)
Connection is closed, forms the die cavity for holding molten metal between plug (6) and lower die (5).
2. the liquid-state forging die of axle sleeve blank according to claim 1, which is characterized in that plug (6) and lower die (5) are even
The radial cross-section product for meeting place is greater than its radial cross-section product far from lower die (5), with the lower plug mounting hole connecting portion
Plug (6) be the cylindrical body without gradient, plug (6) with the lower plug mounting hole upper surface be the first plane, plug (6)
Axial direction on the basis of first plane far from lower die (5) has 0.5-10 ° of gradient.
3. the liquid-state forging die of axle sleeve blank according to claim 1, which is characterized in that lower die (5) lower part axis is outside
It is provided with the lower die-sleeve (8) with the coaxial interference fit connection of lower die (5) week, lower die-sleeve (8) axial direction side is provided with for installing
The thermocouple mounting hole (7) of external thermocouple.
4. the liquid-state forging die of axle sleeve blank according to claim 1, which is characterized in that be provided in lower die (5) with
The plug pressing plate (9) that lower die (5) is threadedly coupled, mandril (10) axial direction one end passes through to be opened up below plug pressing plate (9) and lower die (5)
Jogger hole clearance fit.
5. the liquid-state forging die of axle sleeve blank according to claim 1, which is characterized in that the upper die device further includes
Upper mold flange (1), upper mold flange (1) are threadedly coupled upper mold (2) in the one side of the lower mold apparatus, and upper mold flange (1) is
One plate uniformly offers the first counterbore thereon, and it is equal that the first counterbore is evenly distributed in the upper surface the screw thread hole number opened up with upper mold (2)
And position is corresponding.
6. the liquid-state forging die of axle sleeve blank according to claim 1, which is characterized in that the upper plug mounting hole exists
It is provided with gas vent (3) far from the side of plug (6), gas vent (3) passes through opening up on upper mold (2) and upper mold flange (1)
First counterbore connection.
7. the liquid-state forging die of axle sleeve blank according to claim 1, which is characterized in that under the fixed device includes
Mandril gland (11), the lower push rod seat (12) being threadedly coupled with lower push rod gland (11), lower push rod gland (11) be a plate and
The second uniformly distributed counterbore is offered thereon, and mandril (10) and the second counterbore concentric gap cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821491398.3U CN208895164U (en) | 2018-09-12 | 2018-09-12 | A kind of liquid-state forging die of axle sleeve blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821491398.3U CN208895164U (en) | 2018-09-12 | 2018-09-12 | A kind of liquid-state forging die of axle sleeve blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208895164U true CN208895164U (en) | 2019-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821491398.3U Active CN208895164U (en) | 2018-09-12 | 2018-09-12 | A kind of liquid-state forging die of axle sleeve blank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108971450A (en) * | 2018-09-12 | 2018-12-11 | 合肥熠辉轻合金科技有限公司 | A kind of liquid-state forging die and its liquid forging method of axle sleeve blank |
-
2018
- 2018-09-12 CN CN201821491398.3U patent/CN208895164U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108971450A (en) * | 2018-09-12 | 2018-12-11 | 合肥熠辉轻合金科技有限公司 | A kind of liquid-state forging die and its liquid forging method of axle sleeve blank |
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