CN209632097U - A kind of liquid-state forging die device of end cap blank - Google Patents
A kind of liquid-state forging die device of end cap blank Download PDFInfo
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- CN209632097U CN209632097U CN201822105799.7U CN201822105799U CN209632097U CN 209632097 U CN209632097 U CN 209632097U CN 201822105799 U CN201822105799 U CN 201822105799U CN 209632097 U CN209632097 U CN 209632097U
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Abstract
The utility model discloses a kind of liquid-state forging die devices of end cap blank, including upper die and lower die, upper mold includes punch-pin, lower die includes the cavity plate and at least one lower push rod being cooperatively connected with punch-pin, cavity plate lower surface offers jogger hole corresponding with lower push rod, lower push rod axial direction one end and jogger hole clearance fit, the lower push rod axial direction other end and lower oil cylinder are drivingly connected, the gap of lower push rod and the jogger hole is E1, the molding gap of punch-pin and cavity plate is E2, further, punch-pin is provided with upper mold flange on the direction opposite with cavity plate, punch-pin and upper mold flange are affixed, upper mold flange is fixed on liquid forging lathe by upper mold connecting rod；Using direct weighting, pressing speed is slow, and has sufficient exhaust apparatus, pore-free inclusion defect, obtained alloy product precision with higher and finish solve the problems, such as that alloy product precision obtained by conventional aluminum alloy liquid die forging and finish are lower.
Description
Technical field
The utility model relates to the preparation field of gear pump end cap more particularly to a kind of liquid-state forging dies of end cap blank
Device.
Background technique
Since structure is relative complex, forging is not easy to realize gear pump end cap, when using traditional sand casting or gravity
When casting, the defects of being relatively also easy to produce stomata, be mingled with, the forming quality of gear pump end cap is influenced.And liquid forging is between casting, forging
Between without Cutting Process, belong to a kind of precision form manufacturing technology that casting forging intersects, gear pump end processed using liquid forging
Gai Shi, for more traditional sand casting or gravitational casting, the forming quality of gear pump end cap is preferable.
The main process of liquid forging is: a certain amount of aluminium alloy being poured into mold, under the pressure effect of punch-pin
Make aluminium alloy packed type chamber, using crystallization and freezing, pressure feeding and plastic deformation.Liquid forging process is to pouring into mold
Liquid metal impose higher mechanical pressure, casting flaw is eliminated when making its solidification and generates certain plastic deformation, to obtain
Obtain a kind of method of high quality product.It is a kind of advanced technologies laborsaving, energy saving, stock utilization is high.The mechanical property of product
Can be higher, the forging that can be close to or reach same alloy is horizontal.
By the above process it is found that the mold used in the process of aluminum alloy melt state die-forging forming is extremely important, if mold design
It goes wrong, then product produced is probably entirely waste product.How liquid-state forging die is optimized to realize aluminium alloy
Product precision with higher and finish are current problems to be solved.
Utility model content
Technical problems based on background technology, the utility model proposes a kind of liquid-state forging dies of end cap blank
Device obtains the alloy product with degree of precision and finish.
The utility model proposes a kind of end cap blank liquid-state forging die device, including upper die and lower die, upper mold packet
Include punch-pin；Lower die includes the cavity plate and at least one lower push rod being cooperatively connected with punch-pin, and cavity plate lower surface offers and lower push rod
Corresponding jogger hole, lower push rod axial direction one end and jogger hole clearance fit, the lower push rod axial direction other end and lower oil cylinder are drivingly connected,
The gap of lower push rod and the jogger hole is E1, and the molding gap of punch-pin and cavity plate is E2.
Further, the gap E1 is 0.02-0.04mm, and gap E2 is 0.04-0.1mm, and the side of cavity plate, which is equipped with, to be added
Thermal, the side of heating device are equipped with the temperature control device for controlling heating device.
Further, punch-pin is provided with upper mold flange on the direction opposite with cavity plate, and punch-pin and upper mold flange are affixed, on
Modulus method orchid is fixed on liquid forging lathe by upper mold connecting rod.
Further, plug is provided on cavity plate, the second interporal lacuna opened up on plug axial direction one end and punch-pin cooperates, together
When on the top in the second hole offer countersunk head gas vent.
Further, lower push rod axial direction one end and jogger hole concentric gap cooperate.
Further, lower push rod gland is provided with below cavity plate, lower push rod gland is a plate, is opened up on lower push rod gland
There is the first counterbore, the one end of lower push rod far from cavity plate and the first counterbore concentric gap cooperate.
Further, lower push rod seat is provided with below lower push rod gland, lower push rod seat is a plate, and lower push rod gland is under
Tip-lever support is affixed by bolt.
Further, upper mold connecting rod, upper mold flange, punch-pin, cavity plate, lower push rod gland, lower push rod seat, with H13 or
42CrMo or 3Cr2W8V are made.
A kind of the advantages of liquid-state forging die device of end cap blank provided by the utility model, is: the utility model knot
A kind of liquid-state forging die device of the end cap blank provided in structure not only can be with during pressure persistent pressure fills type
It realizes that product largely fills type, and does not occur cold shut defect；Using direct weighting, pressing speed is slow, and has abundance
Exhaust apparatus, pore-free inclusion defect；Using the running gate system of no riser, machining allowance is reduced, material is saved, reduces
Manufacturing cost；It is equipped with coating protection layer in the mold contacted with molten aluminum, and pressure is low, it is ensured that die life；With molten aluminum
The mold of contact be equipped with coating protection layer, and aluminium alloy fill type pressure it is low, it is ensured that die life.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the liquid-state forging die device of end cap blank of the utility model；
Fig. 2 is a kind of step flow chart of the die forging method of end cap blank liquid-state forging die device of the utility model；
Wherein, 1, upper mold connecting rod, 3, upper mold flange, 4, punch-pin, 5, cavity plate, 6, lower push rod, 7, lower push rod gland, 8, under
Tip-lever support.
Specific embodiment
In the following, the technical solution of the utility model is described in detail by specific embodiment.
Referring to Fig.1, the utility model proposes a kind of end cap blank liquid-state forging die device, including upper mold and under
Mould, upper mold include punch-pin 4；Lower die includes the cavity plate 5 and at least one lower push rod 6 being cooperatively connected with punch-pin 4,5 lower surface of cavity plate
Offer jogger hole corresponding with lower push rod 6, the axial one end of lower push rod 6 and jogger hole clearance fit, the axial other end of lower push rod 6
It is drivingly connected with lower oil cylinder.
The gap of lower push rod 6 and the jogger hole is E1, and the molding gap of punch-pin 4 and cavity plate 5 is E2, gap E1 and E2 shape
At exhaust apparatus, the gap E1 is 0.02-0.04mm, and gap E2 is 0.04-0.1mm, by the way that the size of E1 and E2, end is arranged
Lid blank is in forming process, and since pressure acts on, gas is discharged gas by gap E1 and E2, realizes in mold pressing process
Exhaust, avoid gas accumulation cause shaped aluminum alloy blank have the defects that pinprick, stomata be mingled with, Shrinkage cavity etc..
When gap, E1 is set as 0.02-0.04mm, on the one hand avoids gap is excessive air is caused to be redirected back into mold, makes
At shaped aluminum alloy blank have the defects that stomata be mingled with, Shrinkage cavity etc., on the one hand avoid gap too small, cause die venting
Unsmooth defect when gap E2 is set as 0.04-0.1mm, on the one hand avoids gap is excessive from causing molding not tight, ultimately causes into
There is veining defect in type aluminium alloy blank, and surface smoothness is not high, on the other hand avoids gap too small, causes die venting unsmooth
Defect.
The side of cavity plate 5 is equipped with heating device, and the side of heating device is equipped with the temperature control device for controlling heating device,
Before die casting, cavity plate 5 is preheated accordingly by heating device so that the molten metal of aluminium alloy be cast into it is recessed
, will not be larger because of the temperature difference when mould 5, cold shut defect is caused, the temperature control device of device for simultaneous heating side setting in real time fills heating
The heating temperature set is detected, so that the temperature of cavity plate 5 is in a certain range, it is excessively high and too low to solve 5 temperature of cavity plate
Defect.Temperature control device includes control display screen, controls the heating temperature of display screen real-time display heating device, while can be led to
The heating parameters for crossing control display screen control heating device, realize the purpose of the heating device temperature of adjustment control in due course.
When demoulding, lower oil cylinder driving lower push rod 6 ejects the shaped aluminum alloy blank in cavity plate 5, realizes demoulding.
Further, punch-pin 4 is provided with upper mold flange 3 on the direction opposite with cavity plate 5, and punch-pin 4 and upper mold flange 3 are solid
It connects, upper mold flange 3 is fixed on liquid forging lathe by upper mold connecting rod 1.
Further, plug is provided on cavity plate 5, the second interporal lacuna opened up on plug axial direction one end and punch-pin 4 cooperates,
Countersunk head gas vent is offered on the top in the second hole simultaneously.
The through-hole setting that the setting of plug realizes shaped aluminum alloy blank is realized by changing the plug of different-diameter
The moulding by casting of shaped aluminum alloy blank different-diameter through-hole.
Further, it is provided with lower push rod gland 7 below cavity plate 5, lower push rod gland 7 is a plate, on lower push rod gland 7
The first counterbore is offered, the one end of lower push rod 6 far from cavity plate 5 and the first counterbore concentric gap cooperate.
Further, lower push rod seat 8 is provided with below lower push rod gland 7, lower push rod seat 8 is a plate, lower push rod gland 7
It is affixed by bolt with lower push rod seat 8.
Further, the axial one end of lower push rod 6 and jogger hole concentric gap cooperate.The cooperation of lower push rod 6 and jogger hole is closed
System so that lower push rod 6 by cavity plate 5 aluminium alloy blank eject when, avoid because with jogger hole peripheral contact, cause centainly
Ejection deviation, ultimately causing aluminium alloy blank ejection failure or scratch occur etc. influences the defect of surface aesthetic finish.
Upper mold connecting rod 1, upper mold flange 3, punch-pin 4, cavity plate 5, lower push rod gland 7, lower push rod seat 8, with H13 or 42CrMo
Or 3Cr2W8V is made.
As shown in Fig. 2, a kind of die forging method of end cap blank liquid-state forging die device, comprising the following steps:
S1: installation mold: upper die and lower die are installed on liquid forging lathe；
S2: molding: starting liquid forging special purpose machine tool modulates automatic die assembly mode, and upper die and lower die automatic die assembly is formed
Die cavity；
S3: casting: the molten aluminum that by temperature be 660-800 DEG C, volume is 1-1.05 times of blank volume directly pours into die cavity；
S4: type is filled in pressurization: pushing upper mold to move downward with the speed of 5-50mm/s, molten aluminum is full of entire die cavity；
S5: it holds pressure feeding: with pressure for 20-80MPa, continuing to press on upper mold and persistently press to molten aluminum, keep pressure, until
Solidification completely；
S6: unload pressure-off part: upper mold resets, and the lower push rod 6 driven by lower oil cylinder ejects the blank in cavity plate 5, obtains
Blank product.
This liquid-state forging die uses the running gate system without riser, directly carries out filling type to die cavity, avoids riser from wasting, mention
The high utilization rate of material.
It is equipped with coating protection layer in the mold contacted with molten aluminum, on the one hand for protecting mold, is on the other hand conducive to mould
The demoulding of blank product in chamber.Lower push rod 6 is driven by lower oil cylinder to the movement of 5 direction of cavity plate, and blank product in die cavity is ejected,
Realize the depilation of 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 (10)
1. a kind of liquid-state forging die device of end cap blank, including upper die and lower die, which is characterized in that upper mold includes punch-pin
(4)；
Lower die includes the cavity plate (5) and at least one lower push rod (6) being cooperatively connected with punch-pin (4), and cavity plate (5) lower surface offers
Jogger hole corresponding with lower push rod (6), lower push rod (6) axial direction one end and jogger hole clearance fit, lower push rod (6) the axial direction other end
It is drivingly connected with lower oil cylinder；
The gap of lower push rod (6) and the jogger hole is E1, and the molding gap of punch-pin (4) and cavity plate (5) is E2.
2. the liquid-state forging die device of end cap blank according to claim 1, which is characterized in that the gap E1 is
0.02-0.04mm, gap E2 are 0.04-0.1mm.
3. the liquid-state forging die device of end cap blank according to claim 1, which is characterized in that the side of cavity plate (5)
Equipped with heating device, the side of heating device is equipped with the temperature control device for controlling heating device.
4. the liquid-state forging die device of end cap blank according to claim 3, which is characterized in that the heating device packet
Include the thermocouple for being heated to cavity plate (5) and the detection ultrasonic temperature measurement device for detecting cavity plate (5) temperature.
5. the liquid-state forging die device of end cap blank according to claim 1, which is characterized in that punch-pin (4) with it is recessed
Mould (5) is provided with upper mold flange (3) on opposite direction, and punch-pin (4) and upper mold flange (3) are affixed, and upper mold flange (3) passes through upper
Mould connecting rod (1) is fixed on liquid forging lathe.
6. the liquid-state forging die device of end cap blank according to claim 1, which is characterized in that cavity plate is arranged on (5)
Have a plug, the second interporal lacuna opened up on plug axial direction one end and punch-pin (4) cooperates, while offer on the top in the second hole it is heavy
Head gas vent.
7. the liquid-state forging die device of end cap blank according to claim 1, which is characterized in that lower push rod (6) is axial
One end and jogger hole concentric gap cooperate.
8. the liquid-state forging die device of -7 any end cap blanks according to claim 1, which is characterized in that cavity plate (5)
Lower section is provided with lower push rod gland (7), and lower push rod gland (7) is a plate, and lower push rod gland offers the first counterbore on (7),
Lower push rod (6) one end and the first counterbore concentric gap far from cavity plate (5) cooperate.
9. the liquid-state forging die device of end cap blank according to claim 8, which is characterized in that lower push rod gland (7)
Lower section is provided with lower push rod seat (8), and lower push rod seat (8) is a plate, and lower push rod gland (7) and lower push rod seat (8) pass through bolt
It is affixed.
10. the liquid-state forging die device of end cap blank according to claim 9, which is characterized in that upper mold connecting rod
(1), upper mold flange (3), punch-pin (4), cavity plate (5), lower push rod gland (7), lower push rod seat (8), with H13 or 42CrMo or
3Cr2W8V is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822105799.7U CN209632097U (en) | 2018-12-14 | 2018-12-14 | A kind of liquid-state forging die device of end cap blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822105799.7U CN209632097U (en) | 2018-12-14 | 2018-12-14 | A kind of liquid-state forging die device of end cap blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209632097U true CN209632097U (en) | 2019-11-15 |
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ID=68474895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822105799.7U Active CN209632097U (en) | 2018-12-14 | 2018-12-14 | A kind of liquid-state forging die device of end cap blank |
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| Country | Link |
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| CN (1) | CN209632097U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548070A (en) * | 2020-11-20 | 2021-03-26 | 盐城市鑫海机械有限公司 | Gear forging die |
| CN113231621A (en) * | 2021-03-31 | 2021-08-10 | 滨州渤海活塞有限公司 | Piston liquid die forging casting machine |
-
2018
- 2018-12-14 CN CN201822105799.7U patent/CN209632097U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548070A (en) * | 2020-11-20 | 2021-03-26 | 盐城市鑫海机械有限公司 | Gear forging die |
| CN113231621A (en) * | 2021-03-31 | 2021-08-10 | 滨州渤海活塞有限公司 | Piston liquid die forging casting machine |
| CN113231621B (en) * | 2021-03-31 | 2023-01-03 | 滨州渤海活塞有限公司 | Piston liquid die forging casting machine |
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