CN110238365A - The core-pulling mechanism and compression mod of through-hole die casting and the application method of compression mod - Google Patents
The core-pulling mechanism and compression mod of through-hole die casting and the application method of compression mod Download PDFInfo
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- CN110238365A CN110238365A CN201910681505.1A CN201910681505A CN110238365A CN 110238365 A CN110238365 A CN 110238365A CN 201910681505 A CN201910681505 A CN 201910681505A CN 110238365 A CN110238365 A CN 110238365A
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- die casting
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- 238000004512 die casting Methods 0.000 title claims abstract description 62
- 230000007246 mechanism Effects 0.000 title claims abstract description 43
- 230000006835 compression Effects 0.000 title claims abstract description 27
- 238000007906 compression Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 44
- 239000004411 aluminium Substances 0.000 claims abstract description 44
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 42
- 230000033001 locomotion Effects 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000000465 moulding Methods 0.000 claims abstract description 10
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 15
- 238000005520 cutting process Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 16
- 239000000243 solution Substances 0.000 description 8
- 238000005266 casting Methods 0.000 description 3
- 150000001398 aluminium Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses the application methods of a kind of core-pulling mechanism of through-hole die casting and compression mod and compression mod, core-pulling mechanism includes movable two pieces of sliding blocks in mold cavity, the forming part of sliding block includes forming surface and die joint, the centerline axis parallel of forming surface and mold cavity, die joint includes at least two stepped inclined surface being parallel to each other, and the central axis of each inclined surface and mold cavity has the first angle；Sliding block carries out plug core and core pulling campaign along straight line, and the central axis of the direction of motion and mold cavity has the second angle, and the second angle is less than the first angle；The dynamic model component and cover half component of core-pulling mechanism and compression mod complete the die casting of aluminium diecasting together；After molding and filling in core, liquid aluminium is filled to mold cavity, core pulling and die sinking, obtain the uniform aluminium diecasting blank of through-hole machining allowance after cooling and solidifying, make in following process, tool wear degree is opposite to become smaller, and cutting speed is very fast, processing efficiency improves, and stomata is not easy to be exposed, save material.
Description
Technical field
The present invention relates to a kind of processing equipment fields of aluminium diecasting, more particularly to the die casting of the aluminium diecasting with through-hole
The core-pulling mechanism of mould and the method for carrying out die casting processing using the compression mod for including the core-pulling mechanism, to produce with through-hole
Aluminium diecasting.
Background technique
Aluminium diecasting includes reducer shell, case of transmission, wiper skeleton etc..Aluminium diecasting is produced, needs to use
Corresponding mold injects liquid aluminium into mold cavity using die casting machine, takes out, obtain after cooling finally by following process
Finished product.
Aluminium diecasting as shown in Figure 1, 2, there is through-hole O in intermediate region, and through-hole O length is longer.Producing such product
When, slide block structure is set generally on compression mod and carrys out forming through hole O, obtains that there are the blanks of certain machining allowance, then to logical
Hole O inner surface is machined out to obtain required finished product.
As shown in fig. 3 to 7, for convenient for demoulding, those skilled in the art would generally be arranged in mold cavity P to be had centainly
The slide block B of draw taper α, C, two slide block Bs, C along through-hole central axis core pulling.
But as shown in Figure 8,9, the place J1, K1 to the M1 aperture of the resulting blank of this method gradually becomes smaller, blank
Machining allowance it is uneven, easily make abrasion of cutting tool in subsequent machining process；Moreover machining allowance is more than required routine
Value, the machining cutting time of casting is elongated, and wastes raw material.In addition, the place more than machining chipping allowance, casting
Internal stomata is easy to be exposed, and product disqualification rate is caused to rise.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of pumpings of compression mod suitable for the die casting with through-hole
Core mechanism, the method for further providing the compression mod comprising the core-pulling mechanism and carrying out die casting processing using the compression mod,
To obtain the uniform blank of machining allowance.
The present invention solves the core-pulling mechanism that technical solution used by above-mentioned technical problem is through-hole die casting, is included in mould
The intracavitary two pieces of movable sliding blocks of tool type, the sliding block includes forming part, and the forming part includes forming surface and die joint,
The bus of the forming surface and the centerline axis parallel of mold cavity, the die joint include at least two being parallel to each other
The central axis of stepped inclined surface, each inclined surface and mold cavity has the first angle；The sliding block is carried out along straight line
The central axis of plug core and core pulling campaign, the direction of motion and mold cavity has the second angle, and the second angle is less than first
Angle.
Of the invention advanced optimizes technical solution are as follows: the die joint of the sliding block further includes between adjacent inclined face
Vertical plane.
Of the invention advanced optimizes technical solution are as follows: and the die joint includes two inclined surface and a vertical plane,
The vertical plane is located at the middle position of the forming part.
Of the invention advanced optimizes technical solution are as follows: first angle is 2.5 °, and the second angle is 1.5 °.
Of the invention advanced optimizes technical solution are as follows: the linear motion of the sliding block is driven mechanism driving, described
Driving mechanism be oil cylinder.
Of the invention advanced optimizes technical solution are as follows: the slips end has mounting portion, and the mounting portion is fixed
On take-up housing, the driving mechanism connection take-up housing.
Another theme of the invention: compression mod, the pumping including dynamic model component, cover half component and the through-hole die casting
Core mechanism, the mold cavity is between dynamic model component, cover half component.
Of the invention advanced optimizes technical solution are as follows: the dynamic model component and cover half component can be transported along linear reciprocation
It is dynamic, realize die sinking and molding, central axis of the motion profile perpendicular to mold cavity.
Of the invention advanced optimizes technical solution are as follows: the core-pulling mechanism of the through-hole die casting is connected with dynamic model component
It connects, when die sinking, the sliding block and dynamic model component are together far from cover half component.
Another theme of the invention: the application method of compression mod comprises the following specific steps that:
(1) after spraying liquid parting, dynamic model component moves along a straight line to cover half component, and two sliding blocks are under driving mechanism driving
Core movement is filled in, realizes molding；
(2) die casting machine fills liquid aluminium and pressure maintaining into mold cavity；
(3) after liquid aluminium solidification, die sinking --- two sliding blocks are driven mechanism driving and carry out core pulling campaign, and dynamic model group
Part is far from cover half component；
(4) aluminium diecasting in ejection die obtains the aluminium diecasting blank with through-hole.
The prior art is compared, it is an advantage of the invention that the central axis of the bus of the forming surface of sliding block and mold cavity is flat
Row, die joint include at least two stepped inclined surface being parallel to each other, the central axis tool of each inclined surface and mold cavity
There is the first angle；The direction of motion of the sliding block and the central axis of mold cavity have the second angle, and the second angle is less than
First angle, smoothly completes core pulling, so that the through-hole of the aluminium diecasting blank obtained after slipper block loose core is straight hole, and aperture is equal
One, i.e. machining allowance is uniform, makes tool wear degree is opposite to become smaller, cutting speed is very fast, and process time shortens, and processing efficiency mentions
It is high.
Detailed description of the invention
The present invention is explained in further detail below with reference to attached drawing and preferred embodiment, but art technology
Personnel it will be appreciated that, these attached drawings be only for illustrate background technique and explain preferred embodiment purpose and draw, and
And it therefore should not be taken as limitation of the scope of the invention.In addition, unless otherwise indicated, attached drawing is only shown in and conceptually indicates
The composition or construction of described object may simultaneously be shown comprising expansiveness, and attached drawing is also not necessarily drawn to scale.
Fig. 1 is aluminium diecasting finished product schematic one；
Fig. 2 is aluminium diecasting finished product schematic two；
Fig. 3 is aluminium compression mod schematic diagram in the prior art；
Fig. 4 is slide block schematic diagram in the prior art；
Fig. 5 is slide block movement schematic diagram one in the prior art；
Fig. 6 is slide block movement schematic diagram two in the prior art；
Fig. 7 is slide block movement schematic diagram three in the prior art；
Fig. 8 is aluminium diecasting blank schematic diagram one in the prior art；
Fig. 9 is aluminium diecasting blank schematic diagram two in the prior art；
Figure 10 is the schematic diagram one of a preferred embodiment of the present invention；
Figure 11 is the schematic diagram two of a preferred embodiment of the present invention；
Figure 12 is the partial enlarged view of a preferred embodiment of the present invention；
Figure 13 is the slide block movement schematic diagram one of a preferred embodiment of the present invention；
Figure 14 is the slide block movement schematic diagram two of a preferred embodiment of the present invention；
Figure 15 is the slide block movement schematic diagram three of a preferred embodiment of the present invention；
Figure 16 is the slide block schematic diagram one of a preferred embodiment of the present invention；
Figure 17 is the slide block schematic diagram two of a preferred embodiment of the present invention；
Figure 18 is the aluminium diecasting blank schematic diagram one of a preferred embodiment of the present invention；
Figure 19 is the aluminium diecasting blank schematic diagram two of a preferred embodiment of the present invention.
Specific embodiment
Carry out detailed description of the present invention preferred embodiment below with reference to attached drawing.What those of skill in the art will be appreciated that
It is that these descriptions are only descriptive, illustrative, and should not be interpreted as limiting protection scope of the present invention.
It should also be noted that similar label indicates similar terms in following attached drawing, therefore, once a certain Xiang Yi attached drawing
In be defined, then may no longer it further be defined and be explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside" is base
In orientation or positional relationship shown in the drawings or the invention product using when the orientation or positional relationship usually put, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be
It is connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For the common of this field
For technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As shown in figs. 10-12, the present embodiment provides a kind of compression mod suitable for the aluminium diecasting with through-hole, packet
Include dynamic model component 001 and cover half component 002.
Dynamic model component 001 includes moving-mould-core 01 and dynamic model frame 02, and cover half component 002 includes cover half core 03 and model frame 04.
Moving-mould-core 01 is fixed by screws on dynamic model frame 02, and cover half core 03 is fixed by screws in model frame 04.Model frame 04 is pacified
On die casting machine, dynamic model frame 02 connects power mechanism, and power mechanism makes dynamic model component 001 towards 002 direction straight line of cover half component
It moves back and forth, to realize the molding and die sinking of compression mod.
Core-pulling mechanism, cunning that is can moving along a straight line including two pieces and being mutually matched are equipped between cover half core 03 and moving-mould-core 01
Block, including the first sliding block 031 and the second sliding block 032.When molding, cover half core 03 and 01 intermediate region of moving-mould-core form mold cavity
P；First sliding block 031 and the plug core movement of the second sliding block 032, extend into mold cavity P, and mutually abut, form truncated region,
The molding of aluminium diecasting is completed with cover half core 03 and the cooperation of moving-mould-core 01；The 032 core pulling campaign of first sliding block 031 and the second sliding block,
It exits in mold cavity P, obtains the aluminium diecasting with through-hole O.
Specifically, as shown in figs. 13-17, sliding block includes mounting portion 05 and forming part 06.Mounting portion 05 and forming part 06
It is integrated.
Forming part 06 and through-hole O are isometric comprising the die joint 1 of inside, the forming surface 2 in outside, front end interface 3.
After filling in core movement, forming part 06 is located in mold cavity P.
Die joint 1 is equipped with the inclined surface 11 for the staged distribution being parallel to each other, and each inclined surface 11 slopes inwardly from front to back,
And there is the first angle β with the central axis of mold cavity P.Preferably, in the present embodiment, 11 quantity of inclined surface is two；The
One angle β is 2.5 °.
Pass through a face connection between two inclined surface 11 of forming part 06, it is preferred that this joint face is a vertical plane 12, i.e.,
For the plane of the central axis perpendicular to mold cavity P.In the present embodiment, the position of vertical plane 12 is preferably placed at forming part 06
Middle position.
The forming surface 2 of sliding block is without stripping slope, i.e. the centerline axis parallel of the bus of forming surface and mold cavity P.To
Through-hole O using this formed in mould aluminium diecasting is the uniform clear opening of surplus.
The interface 3 of first sliding block 031 and the second sliding block 032 is the plane perpendicular to the central axis of mold cavity P.At
The end in type portion 06 is connected with mounting portion 05, and the forming part 06 with the first sliding block 031 and the second sliding block 032 is equipped on the inside of mounting portion 05
Interface 3 match by interface 15.
As shown in figure 13, after the movement of the plug core of the first sliding block 031 and the second sliding block 032, the first sliding block 031 and second
The die joint of sliding block 032 is snugly into each other, the interface 3 of the two and by interface 15 accordingly against fitting together, first is sliding
The forming part 06 of block 031 and the second sliding block 032 is spliced into the shape of through-hole O, and front and back penetrates through entire mold cavity P.
As shown in Figure 14,15, when the 032 core pulling campaign of the first sliding block 031 and the second sliding block, movement is straight one another in opposite directions
To exiting mold cavity P.First sliding block 031 and 032 motion profile of the second sliding block are to the inclination of 1 direction of die joint and mould type
There is the second angle γ between the central axis of chamber P.It should be pointed out that the second angle γ need to be less than the first angle β, first is sliding
Block 031 and the second sliding block 032 just can not complete core pulling campaign to Caton away from each other.In the present embodiment, according to the first angle β
For 2.5 ° of preferred value, the second angle γ is preferably 1.5 °.
As shown in Figure 10, the mounting portion 05 of sliding block is connected on take-up housing 004 by fixing piece, the end of take-up housing 004
Groove equipped with connection driving mechanism 005, driving mechanism 005 drive sliding block linear reciprocating motion.Preferably, driving mechanism 005
For oil cylinder, oil cylinder is buckled in the groove of 004 end of take-up housing.
Further, in this embodiment core-pulling mechanism is connected with dynamic model component 001, after compression mod die sinking, first is sliding
Block 031 and the second sliding block 032 and driving mechanism 005 are servo-actuated membrane module 001 together far from cover half component 002.
The processing method for carrying out aluminium diecasting die cast using above-mentioned compression mod, comprises the following specific steps that:
(1) after spraying liquid parting, dynamic model component 001 is under the power mechanism driving of die casting machine to 002 straight line of cover half component
Movement, and the plug core movement under the driving of driving mechanism 005 of the first sliding block 031 and the second sliding block 032, are fitted close mutually, realize
Molding.
It should be noted that the movement of the plug core of the first sliding block 031 and the second sliding block 032 and dynamic model component 001 and cover half group
The sequencing of the molding movement of part 002 is not restricted by, in the present embodiment, it is preferred to use first mold the mode of rear plug core.
(2) die casting machine removes until being full of by the first sliding block under pressure in liquid aluminium injection to mold cavity P
031 and the second every other space mold cavity P outside the region that is truncated jointly of sliding block 032, then carry out pressure maintaining.
(3) after liquid aluminium solidification, die sinking, the first sliding block 031 and the second sliding block 032 are driven the driving of mechanism 005 and carry out
Core pulling campaign, and dynamic model component 001 moves along a straight line under the power mechanism driving of die casting machine far from cover half component 002.
It should be noted that the core pulling campaign of the first sliding block 031 and the second sliding block 032 and dynamic model component 001 and cover half group
The sequencing of the die sinking movement of part 002 is not restricted by, in the present embodiment, it is preferred to use the mode being opened after first core pulling.
(4) aluminium diecasting in ejection die obtains the aluminium diecasting blank with through-hole O.The through-hole O of the blank is straight
Hole, and aperture is uniform.
In set forth below, by taking a specific aluminium diecasting as an example, the advantages of to compression mod provided by the present embodiment
It is annotated.
For the aluminium diecasting shown in Fig. 1-2, which is 108.54mm, internal through-hole diameter
For 101mm, entire aluminium diecasting finished product length is 177.55mm.
As shown in figs. 3-9, using slide block B in the prior art, the method for C core_pulling demoulding, the list of slide block B, the forming surface of C
Side gradient α routinely takes 1 °, and unilateral machining allowance 0.5mm is routinely put at section J1, K1, then the unilateral processing at the M1 of section
Surplus is 1 °=2.05mm of 0.5+ (177.55 ÷ 2) × tan.Aluminium diecasting blank through-hole diameter is that both ends are big, intermediate small, is added
Spare time amount is uneven.This aluminium diecasting blank volume 313.47 × 103mm3, always weigh about 846g.
It is machined out to using the resulting aluminium diecasting blank of the prior art, since machining allowance is uneven, bite
It is also just uneven to have institute's stress, be easy to cause tool wear.Again because machining allowance is whole big compared with conventional value, processing efficiency is low.
And the place more than the chipping allowance, the stomata of cast-internal are easy to be exposed, and the disqualification rate of product is higher.
Processed using compression mod provided by the present embodiment, die cast have through-hole aluminium diecasting, as Figure 18,
Shown in 19, forming surface is parallel to the central axis of mold cavity P, and without draw taper, thus gained blank diameter is uniform.By normal
Rule put unilateral machining allowance 0.5mm at section J2, K2, then the unilateral machining allowance at the M1 of section is also 0.5mm, more than processing
It measures uniform.This aluminium diecasting blank volume 273.01 × 103mm3, always weigh about 737g.
It is machined out to using the resulting aluminium diecasting blank of the present invention, it is all 0.5mm that machining allowance is uniform, casting
Internal stomata is not easy to be exposed because excessively cutting；And chipping allowance is few, and processing efficiency improves.In addition, with existing skill
Art is compared, which has saved about 109 grams of raw material, is reduced costs.
Above the application method of the core-pulling mechanism to through-hole die casting provided by the present invention and compression mod and compression mod into
It has gone and has been discussed in detail, used herein a specific example illustrates the principle and implementation of the invention, the above implementation
The explanation of example is merely used to help understand the present invention and core concept.It should be pointed out that for the ordinary skill people of the art
Member for, without departing from the principle of the present invention, can with several improvements and modifications are made to the present invention, these improve and
Modification is also fallen within the protection scope of the claims of the present invention.
Claims (10)
1. the core-pulling mechanism of through-hole die casting, including movable two pieces of sliding blocks in mold cavity, the sliding block includes into
Type portion, the forming part include forming surface and die joint；It is characterized in that the bus and mold cavity of the forming surface
Centerline axis parallel, the die joint include at least two stepped inclined surface being parallel to each other, each inclined surface and mold
The central axis of type chamber has the first angle；The sliding block carries out plug core and core pulling campaign, the direction of motion and mould along straight line
The central axis of tool type chamber has the second angle, and the second angle is less than the first angle.
2. the core-pulling mechanism of through-hole die casting according to claim 1, it is characterised in that the die joint of the sliding block is also
Including the vertical plane between adjacent inclined face.
3. the core-pulling mechanism of through-hole die casting according to claim 2, it is characterised in that the die joint includes two
Inclined surface and a vertical plane, the vertical plane are located at the middle position of the forming part.
4. the core-pulling mechanism of through-hole die casting according to claim 1, it is characterised in that first angle is 2.5 °,
Second angle is 1.5 °.
5. the core-pulling mechanism of through-hole die casting according to claim 1, it is characterised in that the linear motion of the sliding block
It is driven mechanism driving, the driving mechanism is oil cylinder.
6. the core-pulling mechanism of through-hole die casting according to claim 5, it is characterised in that the slips end has installation
Portion, the mounting portion are fixed on take-up housing, the driving mechanism connection take-up housing.
7. compression mod, it is characterised in that including dynamic model component, cover half component and the through-hole die casting as described in claim 1-6 is any
The core-pulling mechanism of part, the mold cavity is between dynamic model component, cover half component.
8. compression mod according to claim 7, it is characterised in that the dynamic model component can be past along straight line with cover half component
Multiple movement, realizes die sinking and molding, central axis of the motion profile perpendicular to mold cavity.
9. compression mod according to claim 8, it is characterised in that the core-pulling mechanism and dynamic model group of the through-hole die casting
Part is connected, and when die sinking, the sliding block and dynamic model component are together far from cover half component.
10. according to the application method of any compression mod of claim 7-9, it is characterised in that comprise the following specific steps that:
(1) after spraying liquid parting, dynamic model component moves along a straight line to cover half component, and two sliding blocks fill in core under driving mechanism driving
Molding is realized in movement；
(2) die casting machine fills liquid aluminium and pressure maintaining into mold cavity；
(3) after liquid aluminium solidification, die sinking --- two sliding blocks are driven mechanism driving and carry out core pulling campaign, and dynamic model component is remote
From cover half component；
(4) aluminium diecasting in ejection die obtains the aluminium diecasting blank with through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910681505.1A CN110238365B (en) | 2019-07-26 | 2019-07-26 | Core pulling mechanism of through hole die casting, die casting mold and use method of die casting mold |
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| CN201910681505.1A CN110238365B (en) | 2019-07-26 | 2019-07-26 | Core pulling mechanism of through hole die casting, die casting mold and use method of die casting mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115815565A (en) * | 2023-01-05 | 2023-03-21 | 爱柯迪股份有限公司 | Secondary core-pulling mechanism of aluminum die-casting die in autonomous pre-core-pulling mode |
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| CN110238365B (en) | 2024-07-19 |
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