CN105499514A - Sandbox molding equipment for casting motor housing - Google Patents
Sandbox molding equipment for casting motor housing Download PDFInfo
- Publication number
- CN105499514A CN105499514A CN201610074108.4A CN201610074108A CN105499514A CN 105499514 A CN105499514 A CN 105499514A CN 201610074108 A CN201610074108 A CN 201610074108A CN 105499514 A CN105499514 A CN 105499514A
- Authority
- CN
- China
- Prior art keywords
- workbench
- inner core
- motor housing
- casting
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C13/00—Moulding machines for making moulds or cores of particular shapes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention discloses sandbox molding equipment for casting a motor housing. Key points of a technical scheme lie in that the sandbox molding equipment comprises a first molding mechanism for manufacturing an upper box and a second molding mechanism for manufacturing a lower box, wherein the first molding mechanism comprises a first workbench; the second molding mechanism comprises a second workbench; an inner core capable of sliding up and down is arranged on the first workbench; a concave part matched with the inner core is arranged on the second workbench; a first driving assembly for driving the inner core to move up and down is arranged at the bottom of the first workbench; a cavity formed by the first molding mechanism in the upper box through the inner core and a convex portion formed by the second molding mechanism in the lower box through the concave part are closed to form a mold cavity for casting the motor housing. The sandbox molding equipment changes originally required disassembling and extracting operations of the inner core to an up-down movement operation of the inner core, thereby changing complex processes for molding a traditional manual sandbox, and laying a foundation for achieving the automatic production of sandbox molding.
Description
Technical field
The present invention relates to Casting Equipment, particularly a kind of box moulding equipment for casting motor housing.
Background technology
In the process of producing motor, the shell of three phase electric machine utilizes casting technique to produce, and needs to manufacture the sandbox being specifically designed to motor casing casting when casting.Because there is multiple radiating ribs motor casing outside, and also have reinforcement between radiating ribs and motor casing leg, can the sandbox of cast molding in order to produce, like this when box moulding, need first inner core to be fixed, then molding sand poured into and fill full and tamp, then by another one push aside of inner core, extract out, also need extra loam core of putting into make nowel afterwards, then making top box has the nowel of casting motor housing to seal by interior.Whole box moulding process complexity comparatively, its process need extreme care, and also the breakage rate of sandbox is higher, and just need skilled operator to carry out manual operations, efficiency is extremely low; Operator needs operation of bending over simultaneously, and working long hours, it is sick easily to allow operator suffer from the work such as lumbar muscle strain.
Existing three phase electric machine shell shape is as shown in Fig. 1 or Fig. 2, be the structure of hollow in the middle of motor, the outside of motor is multiple radiating ribs, has for installing nameplate district 11 above motor, having the first area 12 of bending on the upside of nameplate district 11, is second area 14 below nameplate district.Wherein, be provided with the structure of multiple reinforcement 13 outside motor, different reinforcement 13 thickness is different.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide and a kind ofly can be convenient to realize the box moulding equipment for casting motor housing of automated production by fast demoulding.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs: a kind of box moulding equipment for casting motor housing, comprise the first modelling mechanism for the manufacture of top box, for the manufacture of the second modelling mechanism of nowel, described first modelling mechanism comprises the first workbench, second modelling mechanism comprises the second workbench, described first workbench and the second workbench are equipped with the casing for holding molding sand, described first workbench is provided with the inner core that can do and slide up and down, described second workbench is provided with the depressed part coordinated with inner core, the first driven unit for driving inner core to move up and down is provided with bottom described first workbench, the cavity that first modelling mechanism is formed by inner core in top box and the second modelling mechanism close up the die cavity formed for casting motor housing mutually by the projection that depressed part is formed in nowel.
Pass through technique scheme, make original dismounting withdrawing operation carrying out inner core that needs the up and down operation of inner core into, like this just the box moulding hand ejection operation of original complexity can be made into the stripping process that direct inner core moves down, changing the complicated procedures of forming of traditional manual box moulding, laying a good foundation for realizing box moulding automated production.
The present invention is set to further: described depressed part bottom surface is provided with movable component, and described movable component bottom surface is provided with the second driven unit for driving movable component or the second workbench to move up and down.
Pass through technique scheme, due to molding sand can be filled in the depressed part in the second workbench, if directly sandbox to be extracted the integrality of forming part in depressed part that can affect sandbox, cause certain breakage rate, just can guarantee nowel stablizing in knockout course by self-powered platform or movable component.
The present invention is set to further: described movable component includes the first jacking block, described inner core is integrally formed with the first block, and the difference between the height of described first block and the degree of depth of the first jacking block in depressed part is the thickness of reinforcement.
Pass through technique scheme, because inner core is that up and down going realizes the demoulding, in order to form the reinforcement space in sandbox die cavity on this basis, the sandbox projection allowing the first jacking block be formed in depressed part is inserted in the space of the first block formation, and both differences are just in time formed in sandbox for casting the space of reinforcement on motor.
The present invention is set to further: described inner core is integrally formed with the second block, described movable component comprises the second jacking block, the die cavity that the nowel protruding parts that the moulding in depressed part of described second jacking block goes out and the top box depressed area that the second block moulding goes out are formed by mould assembling is for pouring into a mould the second area of motor, and described second jacking block is provided with multiple groove going out motor housing radiating ribs for moulding.
Pass through technique scheme, second area has radiating ribs, and the protruding of nameplate region, if take out the die cavity that can destroy this region under inner core is direct, therefore need to utilize the second block by the secondth district to covering up, then the sandbox position utilizing the second jacking block moulding in nowel to be formed is embedded in the cavity that in top box, the second block is formed, ensures the complete of the die cavity of sandbox inside, the electric machine structure standard that one-step casting gets up.
The present invention is set to further: inner core is provided with the hollow-out parts corresponding with motor nameplate district, and described hollow-out parts top is provided with breach, and on described breach, engaging is provided with insert, and described insert and breach form the first area of motor housing jointly.
Pass through technique scheme, because first area belongs to the region of bending, if inner core is also consistent with motor shape at this position, the words inner core of straight ensuing stripping means can destroy inner mold cavity configuration, utilize the structure of insert stable moulding can go out the structure of die cavity when moulding, then in the process of the demoulding, insert can be pulled out, then inner core is down deviate from and just can be completed the demoulding, and then the loam core of shape same with insert is turned back to, any impact can not produced on box moulding like this while fast demoulding.Motor casting can disposablely be got up by the structure of hollow-out parts simultaneously, in order to ensure the success of the demoulding, directly breach is reached the top of hollow-out parts, can guarantee the smooth of the demoulding.
The present invention is set to further: described first workbench is provided with the lug boss being looped around inner core, and described second workbench is provided with the holding section with raised portion fits.
Pass through technique scheme, the existence of lug boss and holding section all can top box with nowel is formed the concaveconvex structure mutually engaged, can guarantee that upper nowel is stable in snap-fitting process like this, not easily occur relative deviation, thus destroy the mold cavity configuration of box house.
The present invention is set to further: described first workbench with the second workbench is equipped with the pin-and-hole coordinated with casing latch.
By technique scheme, the structure of pin-and-hole, for tight flask, makes directly just can complete fixing, quick and convenient by sandbox insertion when moulding.
The present invention is set to further: described first driven unit and the second driven unit are cylinder.
By technique scheme, the structure of cylinder can realize the demoulding fast, and cylinder can be subject to the controls such as program, lays the foundation on the production line that it can be applied to automation.
In sum, the beneficial effect that the present invention in contrast to prior art is: make original manual knockout course disassembled step by step into inner core knockout course straight up and down, in the process of moulding, the splicing structure of top box and nowel is utilized to guarantee the complete stable of overall die cavity inner structure.Such structure in use can be stable the demoulding stable, fast, abandon original manual loaded down with trivial details, guaranteeing that sandbox is follow-up can carry out automated production simultaneously.
Accompanying drawing explanation
Fig. 1 is the structure chart at motor housing first visual angle in background technology;
Fig. 2 is the structure chart at motor housing second visual angle in background technology;
Fig. 3 is the structure chart of the present embodiment first moulding machine;
Fig. 4 is the structure chart of the present embodiment first moulding machine removing casing and insert;
Fig. 5 is the structure chart of the present embodiment second moulding machine;
Fig. 6 is the structure chart of the present embodiment second moulding machine removing casing.
Reference numeral: 11, nameplate district; 12, first area; 13, reinforcement; 14, second area; 2, the first workbench; 21, inner core; 211, breach; 212, insert; 22, the first block; 23, the second block; 24, lug boss; 25, hollow-out parts; 3, the second workbench; 31, depressed part; 32, the first jacking block; 33, the second jacking block; 331, groove; 34, holding section; 4, casing.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
A kind of box moulding equipment for casting motor housing, this equipment divides the first modelling mechanism and the second modelling mechanism, on the first modelling mechanism can moulding out be top box, on the second modelling mechanism can moulding out be nowel, nowel docks with top box and closes up shape all-in-one-piece sandbox structure, the inner space of top box and nowel forms the mold cavity configuration of sandbox inside jointly, for casting motor housing, cast gate above sandbox can also can on nowel on top box, and operator can cast according to the operating equipment of reality.
As Fig. 3 and Fig. 4, a modelling mechanism includes the first workbench 2, first workbench 2 and is provided with inner core 21 above, inner core 21 is formed from steel, and the shape of inner core 21 as shown in FIG., the first workbench 2 is also provided with casing 4, casing 4 is in cylindrical-shaped structure, and molding sand is filled in inside casing 4.It is substantially close with the shape of motor housing substantially, and inner core 21 runs through the first workbench 2, and activity that can be upper and lower, inner core 21 is connected with the first driven unit above, and the first driven unit drives inner core 21 to move up and down, and guarantees to realize the stable demoulding.Owing to inside motor housing being the structure of hollow, the inside of such inner core 21 is hollow, and the first workbench 2 middle part be positioned in the middle part of inner core 21 is fixing, be a position in figure, play the effect of the complete sandbox of stable fixing moulding when inner core 21 is twitched toward below.The periphery of inner core 21 is distributed with the lug boss 24 with the first workbench 2 one, and as shown in the figure, when box moulding, protuberance can form the part of depression to lug boss 24 shape in sandbox.
Wherein, inner core 21 is provided with a hollow-out parts 25 above, and the shape of hollow-out parts 25 is consistent with the shape in the nameplate district of motor housing, and when moulding, sand is filled in hollow-out parts, and the die cavity of formation is consistent with nameplate district.The top of hollow-out parts is provided with a breach 211, and breach 211 and hollow-out parts 25 are interconnected, and on breach 211, coordinate the insert being provided with an aluminium and making, insert is fixedly connected with by latch with breach.The first working region (Fig. 1 or Fig. 2 is visible) due to motor casing belongs to the region of bending, if inner core 21 is also consistent with motor shape at this position, the words inner core 21 of straight ensuing stripping means can destroy inner mold cavity configuration, after having had breach 211, fill up an insert coordinated with breach 211 again, insert is made of aluminum, therefore, it is possible to repeated multiple times use.Utilize the structure of insert stable moulding can go out the structure of die cavity when moulding, then in the process of the demoulding, insert can be pulled out, then inner core 21 is down deviate from and just can be completed the demoulding, and then the loam core of shape same with insert outline is turned back to, loam core can utilize core shooter etc. to cast outside, engage with sandbox according to the shape of insert outline, any impact can not produced on box moulding like this while fast demoulding, also ensure that the globality of sandbox inside cavity simultaneously.
As shown in Figure 5, second modelling mechanism comprises the second workbench 3, second workbench 3 and is provided with depressed part 31, and the second workbench 3 is provided with casing 4, depressed part 31 surrounds by casing 4, and the casing 4 above the second workbench 3 is consistent with casing 4 shape above the first workbench 2 can be docked mutually.The moulding of depressed part 31 is docked mutually with the structure of inner core 21, inner core 21 moulding structure out in top box is cavity, and the part of depressed part 31 moulding protrusion out in nowel, in the docking operation of nowel and top box, the part chamber portion that can be inserted in top box of nowel internal projection just in time forms the die cavity for casting motor housing.Wherein the bottom surface of depressed part 31 has some regions to be movable component.Movable component and the second workbench 3 all can be connected with the second driven unit, second driven unit can drive movable component and the second workbench 3 to be elevated, wherein the second workbench 3 is middle as shown in a position in figure, when the second workbench 3 is elevated, a position is motionless, the lifting of the second workbench 3 can ensure nowel moulding complete after the demoulding time comparatively stable, nowel can between be separated with depressed part 31, ensure the yield rate of sandbox.And movable component can be elevated, can guarantee that the part by moulding goes out to protrude in depressed part 31 on nowel can be compacted.
As shown in Fig. 4 or 6, movable component includes the first jacking block 32, inner core 21 is integrally formed with the first block 22, the shape of the first block 22 and the first jacking block 32, in the same size, both are just highly different, and the difference between the height of the first block 22 and the degree of depth of the first jacking block 32 in depressed part 31 is the thickness of reinforcement.Position, the quantity of the first block 22 and the first jacking block 32 are mutually corresponding with reinforcement, and every a pair first gear block 22 and the first jacking block 32 form a reinforcement jointly.Because inner core 21 is that up and down going realizes the demoulding, in order to form the reinforcement space in sandbox die cavity on this basis, the sandbox projection allowing the first jacking block 32 be formed in depressed part 31 is inserted in the space of the first block 22 formation, and both differences are just in time formed in sandbox for casting the space of reinforcement on motor.The structure of reinforcement is different, and the difference of its width only needs when Design of Dies, and what difference controlled is consistent with Rib Thickness just passable.
Movable component also comprises the second jacking block 33, inner core 21 is integrally formed with the second block 23, the die cavity that the nowel protruding parts that described second jacking block 33 moulding in depressed part goes out and the top box depressed area that the second block 23 moulding goes out are formed by mould assembling is for pouring into a mould the second area of motor, and the second jacking block 33 is provided with multiple groove 331 going out motor housing radiating ribs for moulding.Second area has radiating ribs, and the protruding of nameplate region, if take out the die cavity that can destroy this region under inner core is direct, therefore need to utilize the second block by the secondth district to covering up, then the sandbox position utilizing the second jacking block moulding in nowel to be formed is embedded in the cavity that in top box, the second block is formed, ensure the complete of the die cavity of sandbox inside, the electric machine structure standard that one-step casting gets up.
Wherein, the second workbench 3 is provided with the holding section 34 coordinated with lug boss 24.The shape of holding section 34 as shown in FIG., and is consistent with lug boss 24 structure.The existence of lug boss 24 and holding section 34 all can top box with nowel is formed the concaveconvex structure mutually engage, can guarantee that upper nowel is stable in snap-fitting process like this, not easily occur relative deviation, thus the mold cavity configuration of destruction casing 4 inside.And be all be ramp structure inside holding section 34, for ensureing that outside motor, radiating ribs two ends are all ramp structures.
First driven unit and the second driven unit are cylinder, can be oil cylinder, crank rocker assembly certainly, if can realize moving up and down just can, can change according to concrete structure on production line.Wherein, the structure of cylinder can realize the demoulding fast, and cylinder can be subject to the controls such as program, lays the foundation on the production line that it can be applied to automation.
Utilize the box moulding flow process of the first modelling mechanism as follows: to be utilized by casing 4 latch to be fixed on above the first workbench 2, then molding sand is spread, and tamp, then inner core 21 moves down, afterwards insert 212 is extracted out, inserted in corresponding loam core, top box complete for moulding is separated above the first workbench 2 with casing 4 by people again, places.
As follows with the box moulding flow process of the second modelling mechanism: first molding sand to be covered with in the casing 4 on whole second workbench 3, and tamp, then movable component rises to correct position and ensures that the molding sand in depressed part 31 is tamped, and then the second workbench 3 is declined, whole nowel can support by the fixing of a position, casing 4 can realize and being separated of the second workbench 3, and nowel complete for moulding is separated above the first workbench 2 with casing 4 by people afterwards, places.
Finally upper nowel complete for moulding is docked mutually and just can complete box moulding, because its sandbox is with casing 4, only need casing 4 to aim at just can complete docking, very quick and convenient in the process of docking, just the new hand of left-hand seat also conveniently can complete the moulding of sandbox.
The above is only exemplary embodiment of the present invention, but not for limiting the scope of the invention, protection scope of the present invention is determined by appended claim.
Claims (8)
1. one kind for casting the box moulding equipment of motor housing, comprise the first modelling mechanism for the manufacture of top box, for the manufacture of the second modelling mechanism of nowel, described first modelling mechanism comprises the first workbench (2), second modelling mechanism comprises the second workbench (3), described first workbench (2) and the second workbench (3) are equipped with the casing (4) for holding molding sand, it is characterized in that: described first workbench (2) is provided with the inner core (21) that can do and slide up and down, described second workbench (3) is provided with the depressed part (31) coordinated with inner core (21), described first workbench (2) bottom is provided with the first driven unit for driving inner core (21) to move up and down, the cavity that first modelling mechanism is formed by inner core (21) in top box and the second modelling mechanism close up the die cavity formed for casting motor housing mutually by the projection that depressed part (31) is formed in nowel.
2. the box moulding equipment for casting motor housing according to claim 1, it is characterized in that: described depressed part (31) bottom surface is provided with movable component, described movable component bottom surface is provided with the second driven unit for driving movable component or the second workbench (3) to move up and down.
3. the box moulding equipment for casting motor housing according to claim 2, it is characterized in that: described movable component includes the first jacking block (32), described inner core (21) is integrally formed with the first block (22), the difference between the height of described first block (22) and the degree of depth of the first jacking block (32) in depressed part (31) is the thickness of reinforcement.
4. the box moulding equipment for casting motor housing according to claim 2, it is characterized in that: described inner core (21) is integrally formed with the second block (23), described movable component comprises the second jacking block (33), the die cavity that the top box depressed area that described second jacking block (33) the nowel protruding parts that moulding goes out in depressed part (31) and the second block (23) moulding go out is formed by mould assembling is for pouring into a mould the second area of motor, and described second jacking block (33) is provided with multiple groove (331) going out motor housing radiating ribs for moulding.
5. the box moulding equipment for casting motor housing according to claim 1, it is characterized in that: inner core (21) is provided with the hollow-out parts corresponding with motor nameplate district, described hollow-out parts top is provided with breach (211), the upper engaging of described breach (211) is provided with insert (212), and described insert (212) and breach (211) form the first area (12) of motor housing jointly.
6. the box moulding equipment for casting motor housing according to claim 1, it is characterized in that: described first workbench (2) is provided with and is looped around inner core (21) lug boss (24) around, and described second workbench (3) is provided with the holding section (34) coordinated with lug boss (24).
7. the box moulding equipment for casting motor housing according to claim 1, is characterized in that: described first workbench (2) with the second workbench (3) is equipped with the pin-and-hole coordinated with casing (4) latch.
8. the box moulding equipment for casting motor housing according to claim 2, is characterized in that: described first driven unit and the second driven unit are cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074108.4A CN105499514B (en) | 2016-02-02 | 2016-02-02 | Box moulding equipment for casting motor housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074108.4A CN105499514B (en) | 2016-02-02 | 2016-02-02 | Box moulding equipment for casting motor housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105499514A true CN105499514A (en) | 2016-04-20 |
| CN105499514B CN105499514B (en) | 2017-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610074108.4A Active CN105499514B (en) | 2016-02-02 | 2016-02-02 | Box moulding equipment for casting motor housing |
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| Country | Link |
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| CN (1) | CN105499514B (en) |
Citations (8)
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| DE348970C (en) * | 1922-02-20 | Ver Modellfabriken Berlin Land | Forming machine with double-acting pin lift-off | |
| CN101579722A (en) * | 2009-06-23 | 2009-11-18 | 鲍璐华 | Piston ring cylindrical shell cast pattern die machine and method for manufacturing pattern die |
| CN201880875U (en) * | 2010-12-09 | 2011-06-29 | 四川海科机械制造有限公司 | Stripping plate mounting structure for machine molding |
| CN201988684U (en) * | 2011-03-09 | 2011-09-28 | 曹云亮 | Special moulding machine for motor shell sand mould |
| CN203209636U (en) * | 2013-04-18 | 2013-09-25 | 界首市铁红机电有限公司 | Special moulding machine for sand mould of seamless motor shell |
| CN104959550A (en) * | 2015-07-22 | 2015-10-07 | 湖北亚钢金属制造有限公司 | Mold leaking machine |
| CN105170916A (en) * | 2015-09-08 | 2015-12-23 | 浙江双菱新能源科技有限公司 | Permanent magnet synchronous motor shell casting mold |
| CN205341829U (en) * | 2016-02-02 | 2016-06-29 | 狄海串 | A box moulding equipment for casting motor housing |
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2016
- 2016-02-02 CN CN201610074108.4A patent/CN105499514B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE348970C (en) * | 1922-02-20 | Ver Modellfabriken Berlin Land | Forming machine with double-acting pin lift-off | |
| CN101579722A (en) * | 2009-06-23 | 2009-11-18 | 鲍璐华 | Piston ring cylindrical shell cast pattern die machine and method for manufacturing pattern die |
| CN201880875U (en) * | 2010-12-09 | 2011-06-29 | 四川海科机械制造有限公司 | Stripping plate mounting structure for machine molding |
| CN201988684U (en) * | 2011-03-09 | 2011-09-28 | 曹云亮 | Special moulding machine for motor shell sand mould |
| CN203209636U (en) * | 2013-04-18 | 2013-09-25 | 界首市铁红机电有限公司 | Special moulding machine for sand mould of seamless motor shell |
| CN104959550A (en) * | 2015-07-22 | 2015-10-07 | 湖北亚钢金属制造有限公司 | Mold leaking machine |
| CN105170916A (en) * | 2015-09-08 | 2015-12-23 | 浙江双菱新能源科技有限公司 | Permanent magnet synchronous motor shell casting mold |
| CN205341829U (en) * | 2016-02-02 | 2016-06-29 | 狄海串 | A box moulding equipment for casting motor housing |
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| Publication number | Publication date |
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| CN105499514B (en) | 2017-06-27 |
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