CN110434318A - A kind of gravity casting device - Google Patents
A kind of gravity casting device Download PDFInfo
- Publication number
- CN110434318A CN110434318A CN201910779303.0A CN201910779303A CN110434318A CN 110434318 A CN110434318 A CN 110434318A CN 201910779303 A CN201910779303 A CN 201910779303A CN 110434318 A CN110434318 A CN 110434318A
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- China
- Prior art keywords
- backform
- pedestal
- shift fork
- casting device
- gravity casting
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- 238000005266 casting Methods 0.000 title claims abstract description 65
- 230000005484 gravity Effects 0.000 title claims abstract description 35
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000000605 extraction Methods 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000013011 mating Effects 0.000 claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 238000009826 distribution Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000009434 installation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 238000000465 moulding Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000009411 base construction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization 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
- B22D33/00—Equipment for handling moulds
- B22D33/04—Bringing together or separating moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D33/00—Equipment for handling moulds
- B22D33/06—Burdening or relieving moulds
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to foundry machinery technical fields, a kind of gravity casting device is provided, including pedestal, the pedestal is equipped with main mould, split has backform in main mould, further includes the mechanical arm being liftably arranged on the base, which is equipped with bracket, the bottom of bracket is equipped with support column, and pedestal is equipped with the positioning column mating with the support column；The extraction mechanism for grabbing the backform is additionally provided on bracket, the extraction mechanism includes cylinder and shift fork, the backform is equipped with engaging portion, and the cylinder shift fork is rotated using the direction perpendicular to the cradle bottom surface as axis, so that the engaging portion of shift fork and backform makees rotation snapping.The present invention is in the gravitational casting production using backform, the die closing operation of gravity casting device can be automatically performed to backform transport and installation, it is able to achieve the mold-break operations that backform is extracted and moved again, the effectively overall performance of enhancement device, it saves and other ancillary equipments and operational sequence is set, improve production efficiency.
Description
Technical field
The present invention relates to foundry machinery technical fields, refer in particular to a kind of gravity casting device.
Background technique
Gravitational casting is using the casting technique under terrestrial gravitation effect, and relative to low pressure casting, gravitational casting is more answered
Product for big wall thickness.Since the product of casting is big, also relatively heavier and volume is bigger for the weight of mold, leads to casting process
In be unfavorable for molding or the mold-break operations of mold, thus the mold of gravitational casting less uses backform.Wherein, the backform refers to
Mold of the split in the top surface of master mold, for cast product summit portion.
The gravity casting device of the prior art in order to add backform, and the behaviour such as molds or is opened to operate backform
Make, general that fixed bracket is arranged, which is equipped with side mode tool and bed die tool, or by side mode tool and bottom set of molds
Master mold made of conjunction, and elevating mechanism is arranged in the top of bracket, realizes die closing operation for backform to be moved in master mold,
Or backform is removed into realization mold-break operations from master mold.Specifically, the elevating mechanism generally comprise cylinder, telescopic rod and
Crane, crane bottom are equipped with the fixing end of fixed backform, and telescopic rod connects crane, and under the driving of cylinder, control
Crane upper and lower displacement, to realize the die sinking to backform or die closing operation.
But it before casting using the gravity casting device of fixing rack structure, needs to be installed to backform on fixed bracket
In elevating mechanism.Since the mould specification of gravitational casting is larger, and heavier-weight, it is difficult to it is installed by manpower, Zhi Nengtong
In addition setting Load-Carrying Equipment is crossed, backform is transported near gravity casting device, then backform is installed by weight lifting equipment
Into elevating mechanism.Therefore, the operation before casting is very arduous, and process is excessively complicated, has not met current modern production
Gravitational casting demand.
Summary of the invention
The purpose of the present invention is to provide a kind of gravity casting devices, make improvements to the structure of gravity casting device, for
Using in the gravitational casting production of backform, the molding for allowing gravity casting device that can be automatically performed transport and installation to backform is grasped
Make, and be able to achieve the mold-break operations that backform is extracted and moved, enhance the overall performance of gravity casting device, saves and other are set
Ancillary equipment and corresponding operation process, effectively improve production efficiency.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of gravity casting device, including pedestal, the pedestal are equipped with main mould, and split has backform in the main mould, also
Including the mechanical arm being liftably arranged on the pedestal, the mechanical arm is equipped with bracket, and the bottom of the bracket is equipped with branch
Dagger, the pedestal are equipped with the positioning column mating with the support column；It is additionally provided on the bracket described for grabbing
The extraction mechanism of backform, the extraction mechanism include cylinder and shift fork, and the backform is equipped with engaging portion, and the cylinder drives institute
It states shift fork to rotate using the direction perpendicular to the cradle bottom surface as axis, so that the shift fork is rotated with the engaging portion on backform
Snapping.
Gravity casting device of the invention, compared with prior art, in order to which gravitational casting can also be facilitated using backform
In conjunction with casting, the multi-angle product for being equal to low pressure casting is cast out, gravity casting device is made improvements.Mechanical arm is arranged to substitute
The fixed bracket of tradition adds the structure of crane, makees molding or mold-break operations by robotic arm manipulation backform, complete machine is allowed more to automate,
It saves by assisting the equipment of load-carrying and weight lifting that backform such as is installed on crane at the processes.The shift fork on mechanical arm support is allowed to stretch
Enter in the engaging portion of backform, and rotated using the direction perpendicular to the cradle bottom surface as axis by cylinder shift fork, with button
Socket part makees rotation snapping, realizes that mechanical arm grabs the fixed of backform；After mechanical arm extracts backform, backform can be transported automatically
It is sent on pedestal, the operation such as molds or be opened with the main mould in pedestal, to effectively enhance the entirety of gravity casting device
Performance saves other ancillary equipments and corresponding operation process, improves production efficiency.
In practical applications, in order to improve the supporting power of mechanical arm, which be can be set on being lifted on production line
On the transmission rail of side, mechanical arm can be translated on transmission rail, and move up and down on each pedestal, backform is transported
It is sent in specified main mould, makees corresponding gravitational casting production, form the gravitational casting production system of an automation.
In addition, orientation problem when making die closing operation on the base using mechanical arm is directed to, in the pedestal and mechanical arm
The corresponding support column of upper setting and positioning column work mutually align it is mating, realize between mechanical arm and pedestal it is accurate calmly
Position；Moreover, the supporting structure of the mechanical arm, so that after the positioning column on support column and pedestal on bracket is plugged and fixed, together
When allow bracket frame to hold on the base, then backform is grabbed, is molded or opened again after effectively realizing the positioning with backform
Modulo operation.
Further the structure of the mechanical arm is made improvements, the extraction mechanism further includes guide post and driver, described to lead
Column penetrates through the bracket, and is connected between the driver and the shift fork；The driver is equipped with drive shaft, the driving
Axis is socketed in the guide post and connect with the shift fork, and the shift fork is driven to make axial displacement on the guide rod.In reality
In, when die sinking, since the product after casting and forming is in mold, there is biggish viscosity between mold, if directly shifting
Backform is opened, will be easy to remove together with product simultaneously, but after the sticky gradually decrease between product and backform, product will be easy
It falls off during mobile backform, damages or injure by a crashing object the generation of the dangerous situations such as operating personnel, there are very serious
Security risk.In view of the above technical problems, the extraction mechanism of the mechanical arm is equipped with the driver cooperated with shift fork, the driving
Device is socketed in guide post by drive shaft and is connect with shift fork, thus in the process of die sinking, allow the mechanical arm support column and institute
Under the inserting state for stating the positioning column on pedestal, the driver drives the shift fork to make axial displacement, In in the guide rod
Under the buckle state of engaging portion on shift fork and backform, while backform being moved up to lift and carries out draft operation, so that backform and master
Then backform entirety is extracted and is removed from pedestal by mechanical arm again, is effectively prevented from casting system by the product separation in mould
Product are extracted and move together with backform, caused by safety issue or product the problems such as damaging, ensure production safety, it is ensured that raw
Yield and quality.
Further, the shift fork includes turntable and the shaft that connect with turntable, and the shaft is socketed in the guide post,
And the driving axis connection with the driver；The periphery of the turntable is equipped with button block, the snapping in the button block and the backform
Portion is fastened.Under the driving of the cylinder, the shift fork is rotated horizontally, so that the button block of the turntable periphery and institute
The engaging portion for stating backform is fixed or separated as snapping, to realize to the fixed extraction or release of backform, allows the mechanical arm can
Backform is effectively extracted to from pedestal and removed realization mold-break operations, or backform is transported and is installed on pedestal and realizes molding
Operation.
Further, the engaging portion on the backform is L-type clasp, and engaging portion is equipped with plug hole；The backform
Middle part be equipped with multiple engaging portion, and multiple engaging portion around the backform central distribution be arranged.On backform
Engaging portion has multiple action, on the one hand as the fixing end with the fork spinner cooperation on mechanical arm；On the other hand it can be used as
Casting channel on backform connects gate spool by the plug hole in engaging portion, realizes the charging effect of founding materials.
On the basis of the above, the socket end of the guide post and the shift fork is equipped with guide slot, outside the shaft of the fork
Week is equipped with the positioning pin extended from the disc surfaces to the guide post direction, and the positioning pin and the guide slot are mutually embedding
It connects, and limits the direction of displacement of the fork.It, will in order to realize draft simultaneously before die sinking since backform has constant weight
Backform extraction make it is a certain range of move up operation, the product after the completion of casting is efficiently separated with backform.To the knot of the shift fork
Structure is further improved, so that shift fork also has the function of the draft of length travel other than realizing the spinner function of rotating horizontally,
By the length travel of shift fork, allow mechanical arm and backform under snapping stationary state, backform be drawn up movement, allow backform with
Product in main mould efficiently separates, and realizes draft operation.
The location structure of gravity casting device of the present invention is further improved, the positioning column bottom be additionally provided with it is described
The supporting table of base-plates surface connection, the support column on the bracket are equipped with jack, and the jack and the positioning column are mating,
Allow the support column splicing in supporting table；Wherein, the height of the supporting table and the depth of the guide slot cooperate.One
Aspect improves the supporting force to support column, and effectively reinforce the hard of the positioning column by the way that supporting table is arranged on the base
Degree.On the other hand, the depth of the guide slot on the height of the supporting table and the guide post cooperates, so as in draft operates,
For support column on pedestal on the positioning column and mechanical arm of surrounding under the state that is kept fixed, limit the shift fork shifts up model
It encloses, so that mechanical arm is moved up backform extraction in activity by fork, allows backform to be efficiently separated with product, so that it is guaranteed that pulling out
The integrality of modulo operation.
Further, the base top surface is equipped with the opening of main mould, and the positioning column and supporting table are equipped with multiple, and surrounds
The opening periphery distribution setting；The inserted terminal of the positioning column is tapered end.On the one hand, the stabilization of bearing can effectively be reinforced
Property, improve the accuracy of backform and main mould installation contraposition in clamping process.On the other hand, for the practical operation of cooperative mechanical arm
Path when mechanical arm is moved on pedestal, generally makees upper and lower displacement activity, backform is stitched in main mould, determines on the pedestal
The grafting end of position column is set as tapered end, is conducive to mutually align with the jack of the support column, and be automatically inserted into jack,
The positioning operation for quickly completing mechanical arm and pedestal, effectively improves the operating characteristics and accuracy of molding.
Further, locating piece is additionally provided on the backform, the locating piece is set on the edge of the backform, and fixed
Position block is equipped with sprue gate；The bottom of the bracket, which is additionally provided with, makees mating locating fork, the positioning with the locating piece
The position of fork and the locating piece cooperates, to effectively realize the accurate positionin between mechanical arm and backform.It is described fixed
Position fork and the locating piece on the backform, can be according to the demand of orientation angle, respectively in the X-axis and Y direction of the backform
Setting positions the multi-angle of backform to realize.In addition, the locating piece is arranged on the edge of backform, on locating piece
Sprue gate can be used as feeding-passage simultaneously, further increase the applicable performance of locating piece.
On the basis of the above, the locating piece is the L-type button block of outside bending, is additionally provided in the opening of the pedestal and institute
The catching groove of locating piece position cooperation is stated, the catching groove is equipped with the socket upwardly extended, and the side wall of the socket is equipped with escape groove,
The escape groove is used to avoid the locating piece and snaps onto insertion position on the catching groove.In order to ensure between backform and pedestal
Positioning and fixing effect, to make accurate split with the main mould on pedestal.Locating piece on the backform in addition to mechanical arm
On locating fork make it is mating realization mechanical arm and backform between positioning outside, also with the open circumferential of pedestal setting catching groove
It is fastened, realizes the positioning and fixing between backform and pedestal.In addition, in order to reinforce the fixed effect to backform, it is described
Be additionally provided with socket on catching groove, and the socket is equipped with escape groove, after allowing the locating piece that can pass through socket with it is described
Catching groove snapping completes the fixation between backform and pedestal, and accurately realizes molding with main mould split.
The base construction is improved further, the main mould includes bed die and splices from surrounding and the bed die
The side mode of cooperation；Installing port is offered on the side wall of the pedestal, the installing port is equipped with the peace of guide rail and the side mode
Loading board, the mounting plate are equipped with the guide pin cooperated with the guide rail position, and the guide pin is mutually rabbeted with the guide rail,
So that the mounting plate makees orientation displacement on the installing port, realizes the installation or removal to side mode, complete entire product
Die sinking or die closing operation.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of overall structure view of gravity casting device of the present invention；
Fig. 2 is gravity casting device explosive view of the invention；
Fig. 3 is mechanical arm three-dimensional view 1 of the invention；
Fig. 4 is mechanical arm three-dimensional view 2 of the invention；
Fig. 5 is backform three-dimensional view of the invention；
Fig. 6 is tridimensional view 1 of the invention；
Fig. 7 is tridimensional view 2 of the invention；
Fig. 8 is structural representation Fig. 1 that mechanical arm and backform of the invention make draft operation；
Fig. 9 is structural representation Fig. 2 that mechanical arm and backform of the invention make draft operation.
Appended drawing reference:
1, pedestal；10, it is open；11, positioning column；12, supporting table；13, catching groove；14, socket；141, escape groove；15, it installs
Mouthful；151, guide rail；16, mounting plate；161, guide pin；
2, main mould；21, side mode；
3, backform；31, engaging portion；310, plug hole；32, locating piece；320, sprue gate；
4, mechanical arm；40, bracket；41, support column；411, jack；42, cylinder；43, shift fork；431, turntable；432, turn
Axis；433, button block；434, positioning pin；44, guide post；441, guide slot；45, driver；451, drive shaft；46, locating fork.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Please refer to Fig. 1 to 2, shown in 8, the embodiment of the present invention provides a kind of gravity casting device, including pedestal 1, the base
Seat 1 is equipped with main mould 2, and it further includes the mechanical arm being liftably arranged on the pedestal 1 that split, which has backform 3, in the main mould 2
4, the mechanical arm 4 is equipped with bracket 40, and the bottom of the bracket 40 is equipped with support column 41, and the pedestal 1 is equipped with and the branch
The mating positioning column 11 of dagger 41；The extraction mechanism for extracting the backform is additionally provided on the bracket 40, it is described to mention
Taking mechanism includes cylinder 42, shift fork 43, guide post 44 and driver 45, and the backform 3 is equipped with engaging portion 31, the cylinder 42
For driving the shift fork 43 to rotate using the direction perpendicular to 40 bottom surface of bracket as axis so that the shift fork 43 with it is described
The engaging portion 31 of backform 3 makees rotation snapping；The guide post 44 penetrates through the bracket 40, and be connected to the driver 45 with it is described
Between shift fork 43；The driver 45 is equipped with drive shaft 451, and the drive shaft 451 is socketed in the guide post 44 and described group
43 connection of fork, and shift fork 43 is driven to make axial displacement on the guide rod 44.
Gravity casting device of the invention combines casting in order to which gravitational casting can also be facilitated using backform 3, casts out
It is equal to the multi-angle product of low pressure casting, gravity casting device is made improvements.Firstly, setting mechanical arm 4 substitutes traditional consolidate
Fixed rack adds the structure of crane, operates backform 3 by mechanical arm 4 and makees molding or mold-break operations, complete machine is allowed more to automate, saves
Backform 3 such as is installed on crane at the processes by the equipment of auxiliary load-carrying and weight lifting.Allow cylinder 42 on 4 bracket 40 of mechanical arm
Shift fork 43 is rotated using the direction perpendicular to 40 bottom surface of bracket as axis, makees turn buckle with the engaging portion 31 on backform 3
Fixed backform 3 is connect, mechanical arm 4 is allowed to extract backform 3, and backform 3 is transported on pedestal 1, is closed with the main mould 2 in pedestal 1
The operation such as mould or die sinking, effectively enhances the overall performance of gravity casting device, saves other ancillary equipments and corresponding operation
Process improves production efficiency.In practical applications, in order to improve the supporting power of mechanical arm 4, the mechanical arm 4 preferably setting exists
It is lifted on the transmission rail above production line, mechanical arm 4 can translate on transmission rail, and move up and down in each base
On seat 1, backform 3 is transported in specified main mould 2, makees corresponding gravitational casting production.
Secondly, for orientation problem of the mechanical arm 4 when making die closing operation on pedestal 1 is used, in the pedestal and machinery
Be arranged on arm corresponding support column 41 make mutually to align with positioning column 11 it is mating, thus realize mechanical arm 4 and pedestal 1 it
Between accurate positionin；Moreover, 40 structure of bracket of the mechanical arm 4, so that the support column 41 on bracket 40 is determined on pedestal 1
After position column 11 is plugged and fixed, at the same allow bracket 40 can frame hold on pedestal 1, then backform 3 is grabbed, effectively realize with
Molding or mold-break operations are carried out after the positioning of backform 3 again.
The problem of particular for draft is realized simultaneously during die sinking, as shown in Figure 8-9, the extraction of the mechanical arm 4
Mechanism is additionally provided with the driver 45 cooperated with shift fork 43, and the driver 45 is socketed in guide post 44 and is dialled by drive shaft 451
43 connection of fork allows the support column 41 of the mechanical arm 4 and inserting for the positioning column 11 on the pedestal 1 thus in the process of die sinking
It connects under state, the driver 45 drives the shift fork 43 to make axial displacement in the guide rod 44, in shift fork 43 and backform 3
On engaging portion 31 buckle state under, while backform 3 being moved up to lift and carries out draft operation, so that in backform 3 and main mould 2
Then product separation is extracted backform 3 is whole and is removed from pedestal 1 by mechanical arm 4 again, be effectively prevented from cast product with
Backform 3 is extracted and moves together, caused by safety issue or product the problems such as damaging, ensure production safety, it is ensured that production
Quality.
Wherein, the structure of the mechanical arm 4 work is optimized, as shown in Figs. 3-4, the shift fork 43 include turntable 431 and
The shaft 432 connecting with turntable 431, the shaft 432 are socketed in the guide post 44, and the drive shaft with the driver 45
451 connections；The periphery of the turntable 431 is equipped with button block 433, and the button block 433 makees snapping with the engaging portion 31 on the backform 3
Cooperation.Under the driving of the cylinder 42, the shift fork 43 is rotated horizontally so that the button block 433 of 431 periphery of the turntable with
The engaging portion 31 of the backform 3 is fixed or separated as snapping, realizes extraction fixation or release to backform 3, allows the mechanical arm 4
Backform 3 can be extracted effectively to from pedestal 1 and be removed realization mold-break operations, or backform 3 is transported and is installed on pedestal 1 real
Existing die closing operation.
Preferably, as shown in figure 5, the engaging portion 31 on the backform 3 is L-type clasp, and engaging portion 31 is equipped with casting
Hole 310；The middle part of the backform 3 is equipped with multiple engaging portion 31, and multiple engaging portion 31 are in the backform 3
Heart distribution setting.The engaging portion 31 has multiple action, both as the fixation with 43 spinner of the fork cooperation on mechanical arm 4
End, and gate spool can be connected by the plug hole 310 in engaging portion 31 as the casting channel on backform 3, realize casting material
The feeding-passage of material.
Since backform 3 has constant weight, in order to realize draft simultaneously before die sinking, a certain range is made into the extraction of backform 3
Move up operation, the product after the completion of casting is efficiently separated with backform 3.The structure of the shift fork 43 is made further excellent
Change, as shown in figure 4, the socket end of the guide post 44 and the shift fork 43 is equipped with guide slot 441, the shaft of the fork 43
432 peripheries are equipped with the positioning pin 434 extended from 431 surface of turntable to 44 direction of guide post, the positioning pin 434 and institute
It states guide slot 441 mutually to rabbet, and limits the direction of displacement of the fork 43.The shift fork 43 is in addition to realizing the rotation rotated horizontally
It detains outside function, also has the function of length travel, by the length travel of shift fork 43, allow the snapping fixing shape of mechanical arm 4 and backform 3
Under state, backform 3 is drawn up movement, realizes draft operation.
In order to reinforce the locating effect between mechanical arm 4 and pedestal 1, the location structure of this gravity casting device is made excellent
Change, as shown in Fig. 4,6 to 7,11 bottom of positioning column is additionally provided with the supporting table 12 connecting with 1 surface of pedestal, the branch
Support column 41 on frame 40 is equipped with jack 411, and the jack 411 and the positioning column 11 are mating, allows the support column 41
It is sliceable in the supporting table 12, to effectively improve the supporting force to support column 41, and reinforce the positioning column 11
Hardness.
Preferably, the height of the supporting table 12 and the depth of the guide slot 441 on the guide post 44 cooperate, so as to
Draft operation in, the support column 41 on pedestal 1 on the positioning column 11 Yu mechanical arm 4 of surrounding in the stationary state, described in restriction
Shift fork 43 shifts up range, so that mechanical arm 4 is moved up the extraction of backform 3 by fork 43, backform 3 is allowed to obtain with product
It efficiently separates, it is ensured that the integrality of draft operation.
The structure work of the positioning column 11 is optimized, as shown in Fig. 6 to 7,1 top surface of pedestal is equipped with the opening of main mould 2
10, the positioning column 11 and supporting table 12 be equipped with it is multiple, and around the setting of 10 peripheral distributions of the opening；The mechanical arm 4
Support column 41 on frame 40 is equipped with multiple, and the position of each support column 41 and the positioning column 11 cooperates, effectively plus
The stability supported by force, and improve the accuracy of backform 3 and the installation positioning of main mould 2 in clamping process.
On the basis of the above, for the practical operation path of cooperative mechanical arm 4, when mechanical arm 4 is moved on pedestal 1, one
As make upper and lower displacement backform 3 be stitched in main mould 2.The inserted terminal of the positioning column 11 is preferably tapered end, is conducive to and institute
The jack 411 for stating support column 41 positions, and is automatically inserted into jack 411, easily completes the positional operand of mechanical arm 4 and pedestal 1
Make, effectively improves the operating characteristics and accuracy of molding.
In order to reinforce the locating effect between mechanical arm 4 and backform 3, as shown in Fig. 3 to 5, it is additionally provided on the backform 3
Locating piece 32, the locating piece 32 are set on the edge of the backform 3, and locating piece 32 is equipped with sprue gate 320；The bracket
40 bottom, which is additionally provided with, makees mating locating fork 46, the locating fork 46 and the locating piece 32 with the locating piece 32
Position cooperates, to realize the accurate positionin between mechanical arm 4 and backform 3.The locating fork 46 and the locating piece 32
It can be arranged in the X-axis and Y direction of the backform 3 respectively according to the demand of position location, to realize to the more of backform 3
Angle positioning.In addition, the locating piece 32 is arranged on the edge of backform 3, the sprue gate 320 on locating piece 32 can be simultaneously
As feeding-passage, the applicable performance of locating piece 32 is further increased.
On the basis of the above, in order to ensure the positioning and fixing effect between backform 3 and pedestal 1, so as to on pedestal 1
Main mould 2 makees accurate split.As shown in Figs. 5 to 7, the locating piece 32 is the L-type button block of outside bending, the opening of the pedestal 1
The catching groove 13 with 32 position of locating piece cooperation is additionally provided on 10, the catching groove 13 is equipped with the socket 14 upwardly extended, institute
The side wall for stating socket 14 is equipped with escape groove 141, and the escape groove 141 snaps onto the catching groove 13 for avoiding the locating piece 32
On insertion position.Wherein, the locating piece 32 on the backform 3 is mating in addition to making with the locating fork 46 on mechanical arm 4, real
Outside positioning between existing mechanical arm 4 and backform 3, the catching groove 13 also with the setting of 10 periphery of opening of pedestal 1 is fastened, from
And realize the positioning and fixing effect between backform 3 and pedestal 1.The socket 14 being arranged on the catching groove 13, can effectively improve
Fixation to backform 3.Wherein, it is additionally provided with escape groove 141 on the socket 14, allows the locating piece 32 that can pass through socket 14
Afterwards with 13 snapping of catching groove, the fixation between backform 3 and pedestal 1 is completed, and accurately realizes molding with 2 split of main mould.
The structure of the pedestal 1 work is optimized, as shown in Fig. 6 to 7, the main mould 2 include bed die (not shown) and from
The side mode 21 of surrounding and bed die splicing cooperation；Installing port 15 is offered on the side wall of the pedestal 1, on the installing port 15
Equipped with guide rail 151 and the mounting plate of the side mode 21 16, the mounting plate 16, which is equipped with, to be cooperated with 151 position of guide rail
Guide pin 161, the guide pin 161 and the mutually interlocking of guide rail 151, so that the mounting plate 16 is on the installing port 15
Make orientation displacement, realizes the installation or removal to side mode 21, complete die sinking or the die closing operation of entire product.
The working principle of gravity casting device of the invention specifically includes as shown in Figure 1 to 9:
1, it molds
(1) backform 3 positions, and mechanical arm 4 is moved on backform 3, shift fork 43 is stretched in the engaging portion 31 of backform 3, together
When make locating fork 46 on mechanical arm 4 and the locating piece 32 on backform 3 be mutually inserted realization positioning.
(2) backform 3 is extracted, 42 shift fork 43 of cylinder of mechanical arm 4 is with the direction perpendicular to 40 bottom surface of bracket
Axis rotates, so that the button block 433 on turntable 431 rotates, and fixes with 31 snapping of engaging portion；Then, mechanical arm 4 extracts
Backform 3 moves up, and backform 3 is transported on pedestal 1.
(3) backform 3 is placed, and passes through the positioning column 11 on the support column 41 and pedestal 1 on mechanical arm 4 mutually contraposition and grafting
It is fixed, while locating piece 32 on backform 3 is slid into the socket 14 of pedestal 1 with 13 snapping of catching groove, it realizes and determines with pedestal 1
Position；Then, the cylinder 42 of mechanical arm 4 drives fork 43 to rotate horizontally, so that the snapping of button block 433 and backform 3 on turntable 431
Portion 31 separates, and solves snapping；Finally, mechanical arm 4 is moved away from pedestal 1, entire die closing operation is completed.
2, draft
Firstly, mechanical arm 4 is moved on pedestal 1, the support column 41 is allowed to align and insert with the positioning column 11 on pedestal 1
Fixation is connect, while locating fork 46 and the locating piece 32 on backform 3 on mechanical arm 4 are mutually inserted, while the shift fork 43
It is stretched in the engaging portion 31 of the backform 3, realizes the positioning between mechanical arm 4,3 three of pedestal 1 and backform, and mechanical arm
It is fixed between 4 and pedestal 1 by the realization that is mutually inserted of support column 41 and positioning column 11.
Then, 42 shift fork 43 of cylinder of mechanical arm 4 rotates horizontally, so that button block 433 and snapping on turntable 431
31 snapping of portion is fixed, and realizes the fixation between mechanical arm 4 and backform 3；In this case, as shown in Figure 8-9, the driver
45 driving drive shafts 451 promote shift fork 43, so that shift fork 43 shifts up in guide post 44, the extraction of backform 3 are moved up, is allowed
Backform 3 is separated from each other with the product in main mould 2, realizes draft operation.
3, it is opened
After draft operation, mechanical arm 4 is moved up in the case where keeping stationary state with backform 3 so that the support column 41 and
Positioning column 11 separates, and is moved away from pedestal 1, backform 3 is removed from pedestal 1, the die sinking being finally completed between backform 3 and main mould 2
Operation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of gravity casting device, including pedestal, the pedestal is equipped with main mould, and split has backform in the main mould, special
Sign is, further includes the mechanical arm being liftably arranged on the pedestal, and the mechanical arm is equipped with bracket, the bottom of the bracket
Portion is equipped with support column, and the pedestal is equipped with the positioning column mating with the support column；It is additionally provided with and is used on the bracket
The extraction mechanism of the backform is grabbed, the extraction mechanism includes cylinder and shift fork, and the backform is equipped with engaging portion, the gas
Cylinder drives the shift fork to rotate using the direction perpendicular to the cradle bottom surface as axis, so that the snapping on the shift fork and backform
Make rotation snapping in portion.
2. gravity casting device according to claim 1, which is characterized in that the extraction mechanism further includes guide post and driving
Device, the guide post penetrates through the bracket, and is connected between the driver and the shift fork；The driver is equipped with driving
Axis, the drive shaft are socketed in the guide post and connect with the shift fork, and it is axial to drive the shift fork to be made on the guide rod
Displacement.
3. gravity casting device according to claim 2, which is characterized in that the shift fork includes turntable and connects with turntable
The shaft connect, the shaft are socketed in the guide post, and the driving axis connection with the driver；The periphery of the turntable is set
There is button block, the button block is fastened with the engaging portion on the backform.
4. gravity casting device according to claim 3, which is characterized in that the engaging portion on the backform is L-type clasp,
And engaging portion is equipped with plug hole；The middle part of the backform is equipped with multiple engaging portion, and multiple engaging portion surround institute
State the central distribution setting of backform.
5. gravity casting device according to claim 2, which is characterized in that in the socket end of the guide post and the shift fork
Equipped with guide slot, the shaft periphery of the fork is equipped with the positioning pin extended from the disc surfaces to the guide post direction, institute
It states positioning pin mutually to rabbet with the guide slot, and limits the direction of displacement of the fork.
6. gravity casting device according to claim 5, which is characterized in that the positioning column bottom is additionally provided with and the base
The supporting table of seating face connection, the support column on the bracket are equipped with jack, and the jack and the positioning column are mating, allow
The support column splicing is in supporting table；Wherein, the height of the supporting table and the depth of the guide slot cooperate.
7. gravity casting device according to claim 6, which is characterized in that the base top surface is equipped with the opening of main mould,
The positioning column and supporting table be equipped with it is multiple, and around opening periphery distribution setting；The inserted terminal of the positioning column is cone
Shape end.
8. gravity casting device according to claim 7, which is characterized in that locating piece is additionally provided on the backform, it is described
Locating piece is set on the edge of the backform, and locating piece is equipped with sprue gate；The bottom of the bracket be additionally provided with it is described fixed
Position block makees mating locating fork, the position mutual cooperation of the locating fork and the locating piece.
9. gravity casting device according to claim 8, which is characterized in that the locating piece is the L-type button of outside bending
Block, be additionally provided with the catching groove with locating piece position cooperation in the opening of the pedestal, and the catching groove, which is equipped with, to be upwardly extended
Socket, the side wall of the socket are equipped with escape groove, and the escape groove snaps on the catching groove for avoiding the locating piece
Insertion position.
10. according to claim 1 to gravity casting device described in 9 any one, which is characterized in that the main mould includes bed die
And the side mode from surrounding and bed die splicing cooperation；Installing port is offered on the side wall of the pedestal, on the installing port
Mounting plate equipped with guide rail and the side mode, the mounting plate is equipped with the guide pin cooperated with the guide rail position, described
Guide pin is mutually rabbeted with the guide rail, so that the mounting plate makees orientation displacement on the installing port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910779303.0A CN110434318A (en) | 2019-08-22 | 2019-08-22 | A kind of gravity casting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910779303.0A CN110434318A (en) | 2019-08-22 | 2019-08-22 | A kind of gravity casting device |
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| Publication Number | Publication Date |
|---|---|
| CN110434318A true CN110434318A (en) | 2019-11-12 |
Family
ID=68437158
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910779303.0A Pending CN110434318A (en) | 2019-08-22 | 2019-08-22 | A kind of gravity casting device |
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| CN (1) | CN110434318A (en) |
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|---|---|---|---|---|
| JPH03461A (en) * | 1989-05-30 | 1991-01-07 | Nissan Motor Co Ltd | Apparatus for casting cylinder block |
| CN2425761Y (en) * | 2000-05-31 | 2001-04-04 | (湖北)三九长江实业集团武汉轻工业机械厂 | Automatic mould open/close device for production line of foamed cyclopentane refrigerator door |
| CN102990017A (en) * | 2011-06-28 | 2013-03-27 | 龙口市大川活塞有限公司 | Swing-arm manipulator |
| CN204095032U (en) * | 2014-09-13 | 2015-01-14 | 台州市欧铭包装机械科技有限公司 | Mould assembly on a kind of bottle cap block press |
| CN108262462A (en) * | 2018-01-22 | 2018-07-10 | 繁昌县琪鑫铸造有限公司 | A kind of air injection machine |
| CN109434086A (en) * | 2018-10-16 | 2019-03-08 | 金华市宝琳工贸有限公司 | A kind of mould positioning mechanism of single mode casting machine |
| CN210996433U (en) * | 2019-08-22 | 2020-07-14 | 广东肇庆动力金属股份有限公司 | Gravity casting device |
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2019
- 2019-08-22 CN CN201910779303.0A patent/CN110434318A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03461A (en) * | 1989-05-30 | 1991-01-07 | Nissan Motor Co Ltd | Apparatus for casting cylinder block |
| CN2425761Y (en) * | 2000-05-31 | 2001-04-04 | (湖北)三九长江实业集团武汉轻工业机械厂 | Automatic mould open/close device for production line of foamed cyclopentane refrigerator door |
| CN102990017A (en) * | 2011-06-28 | 2013-03-27 | 龙口市大川活塞有限公司 | Swing-arm manipulator |
| CN204095032U (en) * | 2014-09-13 | 2015-01-14 | 台州市欧铭包装机械科技有限公司 | Mould assembly on a kind of bottle cap block press |
| CN108262462A (en) * | 2018-01-22 | 2018-07-10 | 繁昌县琪鑫铸造有限公司 | A kind of air injection machine |
| CN109434086A (en) * | 2018-10-16 | 2019-03-08 | 金华市宝琳工贸有限公司 | A kind of mould positioning mechanism of single mode casting machine |
| CN210996433U (en) * | 2019-08-22 | 2020-07-14 | 广东肇庆动力金属股份有限公司 | Gravity casting device |
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