CN103192053B - Die-casting die for pump bodies - Google Patents
Die-casting die for pump bodies Download PDFInfo
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- CN103192053B CN103192053B CN201310125707.0A CN201310125707A CN103192053B CN 103192053 B CN103192053 B CN 103192053B CN 201310125707 A CN201310125707 A CN 201310125707A CN 103192053 B CN103192053 B CN 103192053B
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Abstract
The invention relates to a die-casting die for pump bodies and a method for manufacturing a pump body by using the die-casting die. The die-casting die comprises a fixed die frame, a fixed die, a movable die and a movable die frame, square slide rails are arranged between three side walls of the fixed die frame and three side walls of a corresponding fixed die groove respectively, a left core extracting device and a right core extracting device are mounted at two opposite slide rails respectively, a lower core extracting device is mounted at the other slide rail and comprises a fixed frame, an oil cylinder is fixedly connected to the fixed frame, the end of a pull rod of the oil cylinder is connected with a lower slider, the front end face of the lower slider is fixedly connected with a lower core block, a running gate is arranged at the top of the lower slider, a runner gate butted against the running gate is arranged on the rear side of the top of the lower core block, and the front end face of the lower core block is fixedly connected with multiple core rods. The die-casting die for the pump bodies is high in production efficiency, less prone to generation of air holes of the pump bodies, and low in production cost.
Description
Technical field
The present invention relates to die casting technical field, especially a kind of die casting of the diesel pump pump housing.
Background technology
Diesel pump is as the core component of diesel engine, and its quality and performance have directly determined the property indices of diesel engine, and diesel pump is mainly made up of parts such as the pump housings, and the reliability of pump housing quality also directly affects the reliability of diesel pump, the pump housing mainly obtains by casting process at present, in casting cycle, in the situation of not exerting pressure, liquid metal alloy liquid mainly injects in die cavity by self gravitation effect, after metal alloy liquid solidifies, obtain the pump housing, although the pump housing that this kind of technique obtains is not prone to shrinkage cavity phenomenon, the production efficiency of producing the pump housing by casting mode is lower, and the pump housing allowance that casting obtains is larger, its production process energy resource consumption is large, in order to improve defect in this respect, now occur using extrusion process to produce the pump housing, owing to can applying larger pressure by liquid towards metal alloy liquid in press casting procedure, make it be filled with fast die cavity, although the allowance of the pump housing that this kind of technique obtains is little, and production efficiency is high, the compactness of the pump housing is relatively good, but because the injection speed of liquid metal liquid is high, air in die cavity is difficult for discharging in time, cause the pump housing that die casting obtains easily to have the problem of pore, especially the lubricating cavity of the pump housing and diesel oil chamber are in the time that diesel pump is worked, must be in nonconducting state, if therefore lubricating cavity and diesel oil chamber are because of pore conducting, this pump housing must be scrapped, and prior art also fails to solve well this kind of defect, have a strong impact on extrusion process and be applied to the popularization of manufacturing the pump housing.
Summary of the invention
The applicant, for above-mentioned shortcoming of the prior art, provides a kind of die casting of the pump housing, and its production efficiency is high, and the pump housing is difficult for producing pore, and production cost is low.
The technical solution adopted in the present invention is as follows:
A die casting for the pump housing, comprises cover half frame, cover half, dynamic model and dynamic model frame; Cover half is fixed in the cover half groove of cover half frame; Dynamic model is fixed in the dynamic model groove of dynamic model frame; Between three sidewalls of three sidewalls of cover half frame and corresponding cover half groove respectively with square slideway; Left core-pulling device, right core-pulling device are installed respectively by two relative slideway places, and lower core-pulling device is installed at another slideway place; Lower core-pulling device comprises fixed mount, oil cylinder is fixed on fixed mount, the tie rod end of oil cylinder is connected with sliding block, the front end face of sliding block and lower pellet are connected, the top of sliding block is with down gate, the top rear of lower pellet is with the runner gate docking with down gate, the front end face of lower pellet several lower plugs that are connected;
Further technical scheme is as follows:
Described sliding block is positioned at slideway; A side band that is positioned at described dynamic model groove on dynamic model frame is fluted, and groove is equipped with cup, and the entrance of the ingate on dynamic model is positioned at the exit of cup; When matched moulds, the outlet of cup is alignd with down gate, and the entrance of ingate aligns with the runner gate on pellet, and lower pellet is positioned at the reservoir top of cover half, the end of reservoir and ingate is respectively with lower flow channel and upper runner, and lower flow channel and upper runner all align with the runner of lower pellet end; One end relative with ingate on dynamic model is with upper groove, and one end relative with reservoir on cover half is with low groove; When matched moulds, upper groove and low groove form air storing cavity;
The two side of described slideway and bottom surface are fixed with respectively slide rail and cushion block, left core-pulling device and right core-pulling device include fixed mount, oil cylinder and pull bar, pull bar and left slider in left core-pulling device are connected, the front end face of left slider and left pellet are connected, and left pellet front end face is fixed with camshaft plug and left plug; Pull bar in right core-pulling device and right slide block are connected, and right slip front face is fixed with right pellet, on right pellet, along pull bar direction, right plug is housed; The two sides of left slider, right slide block and sliding block are all with boss, and the slide rail of described boss and slideway both sides is slidably matched;
Described dynamic model and dynamic model frame are by inserting the first backstay location in dynamic model frame, and cup is by inserting the second backstay location in dynamic model frame; The left caulking groove of dynamic model and right caulking groove align with the left groove of dynamic model frame and the breach of right groove respectively; When matched moulds, the first caulking groove of cover half sidewall and the second caulking groove are corresponding with left caulking groove and the right caulking groove of dynamic model respectively; Groove on dynamic model frame, left groove and right groove descend respectively the left pellet on the right pellet on lower pellet, the right core-pulling device on core-pulling device, left core-pulling device to coordinate; The convex shoulder at four jiaos of places of cover half coordinates with the limit groove at four jiaos of places of dynamic model respectively;
In camshaft plug on described left core-pulling device, be inserted with left cooling tube; In lower plug on lower core-pulling device, be all inserted with lower cooling tube;
The quantity of described lower plug is 4,
Described camshaft plug is cylinder body shape.
Beneficial effect of the present invention is: the hanging basket end when cast gate of mould is arranged on pump housing moulding, while being die casting, one end, helical pitch hole of the first moulding pump housing, near cup one end, running channel and reservoir are set at dynamic model and cover half simultaneously, flow velocity that can involutory financial liquid cushions, fully by the air emptying in mold cavity, the lubricating cavity and the diesel oil chamber place that ensure the pump housing can not produce pore, in working order time, the lubricating cavity of the pump housing and diesel oil chamber, in nonconducting state, have guaranteed that the pump housing reaches air-tightness requirement; It is low that the relative prior art of the present invention has cost, and production efficiency is high, and the lubricating cavity of the pump housing and diesel oil chamber place are difficult for producing pore.
Brief description of the drawings
Fig. 1 is use state diagram of the present invention.
Fig. 2 is the state diagram that the present invention does not comprise dynamic model and dynamic model frame.
Fig. 3 is the stereogram of the left core-pulling device of the present invention.
Fig. 4 is the stereogram of the right core-pulling device of the present invention.
Fig. 5 is the stereogram of core-pulling device under the present invention.
Fig. 6 is the stereogram of cover half frame of the present invention.
Fig. 7 is the mated condition figure of cover half of the present invention and cover half frame.
Fig. 8 is the stereogram of dynamic model of the present invention.
Fig. 9 is the stereogram of cover half of the present invention.
Figure 10 is the stereogram of the pump housing.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 1, Figure 2, shown in Fig. 6 and Fig. 7, the present invention includes cover half frame 1, cover half 7, dynamic model 8 and dynamic model frame 2; Cover half 7 is fixed in the cover half groove 101 of cover half frame 1; Dynamic model 8 is fixed in the dynamic model groove of dynamic model frame 2; Between three sidewalls of three sidewalls of cover half frame 1 and corresponding cover half groove 101, respectively with square slideway 102, the two side of slideway 102 and bottom surface are fixed with respectively slide rail 103 and cushion block 104;
As shown in Figure 2, left core-pulling device 3, right core-pulling device 4 are installed respectively by two relative slideway 102 places, and lower core-pulling device 5 is installed at another slideway 102 places, when matched moulds die casting, left core-pulling device 3 and right core-pulling device 4 are in level, and lower core-pulling device 5 is in vertical state;
As shown in Figure 3 and Figure 4, left core-pulling device 3 and right core-pulling device 4 include fixed mount 303, oil cylinder 302 and pull bar 304, pull bar 304 in left core-pulling device 3 is connected with left slider 306, the front end face of left slider 306 and left pellet 307 are connected, left pellet 307 front end faces are fixed with camshaft plug 301 and left plug 308, as shown in figure 10, camshaft plug 301 and left plug 308 are used for respectively camshaft hole 14 and the connecting hole of the moulding pump housing 11, in the present embodiment, camshaft plug 301 is cylinder body shape, camshaft hole 14 after its moulding is also circular cavity, can reduce follow-up processing capacity, ensure that the pump housing 11 is even at the wall thickness at camshaft hole 14 places simultaneously, be difficult for producing pore, in camshaft plug 301, be inserted with left cooling tube 305, can carry out camshaft plug 301 coolingly, extend its service life, pull bar in right core-pulling device 4 304 is connected with right slide block 402, and right slide block 402 front end faces are fixed with right pellet 401, on right pellet 401, along pull bar 304, right plug 403 are axially housed, and as shown in figure 10, right pellet 401 is used for the side chamber 15 of the moulding pump housing 11, as shown in Figure 2, the two side of left slider 306, right slide block 402 is all with boss, the slide rail 103 of described boss and slideway 102 both sides is slidably matched, left slider 306, right slide block 402 are all pressed on cushion block 104, prevent from directly contacting with the bottom surface of slideway 102, cushion block 104 and two wood side-guides 103 play guide effect to left slider 306, right slide block 402 simultaneously,
As shown in Figure 5, lower core-pulling device 5 also comprises fixed mount 303, oil cylinder 302 is fixed on fixed mount 303, pull bar 304 ends of oil cylinder 302 are connected with sliding block 503, the front end face of sliding block 503 and lower pellet 502 are connected, the top of sliding block 503 is with down gate 504, alloy melts liquid and enters die cavity from down gate 504, the top rear of lower pellet 502 is with the runner gate 505 docking with down gate 504, the front end face of lower pellet 502 several lower plugs 501 that are connected, lower plug 501 is used for the helical pitch hole 13 of the moulding pump housing 11 hanging basket ends 12, the quantity of lower plug 501 is consistent with the quantity in the helical pitch hole 13 of the pump housing 11, down gate 504 and lower plug 501 are arranged on lower core-pulling device 5 hanging basket end 12 that can the first moulding pump housing 11 simultaneously, there is not gas in the die cavity place that guarantees moulding hanging basket end 12, finally make the hanging basket end 12 of the pump housing 11 not have pore, in the present embodiment, the quantity of lower plug 501 is 4, and lower plug 501 is interior is all inserted with lower cooling tube 506, can carry out in time coolingly to lower plug 501, extends its service life,
As shown in Figure 2, sliding block 503 is positioned at slideway 102, the two side of sliding block 503 also with boss identical on left slider 306, right slide block 402 two sides, the slide rail 103 of described boss and slideway 102 both sides is slidably matched, sliding block 503 is pressed on cushion block 104, prevent from directly contacting with the bottom surface of slideway 102, cushion block 104 and two wood side-guides 103 play guide effect to sliding block 503 simultaneously;
As shown in Figure 7 to 9, be positioned at a side band of described dynamic model groove fluted 203 on dynamic model frame 2, cup 6 is equipped with at groove 203 places, and the entrance of the ingate 804 on dynamic model 8 is positioned at the exit of cup 6; Dynamic model 8 is located by the first backstay 9 inserting in dynamic model frame 2 with dynamic model frame 2, and cup 6 is located by the second backstay 10 inserting in dynamic model frame 2, prevents that cup 6 is moved in dynamic model frame 2; The left caulking groove 802 of dynamic model 8 and right caulking groove 803 align with the left groove 201 of dynamic model frame 2 and the breach of right groove 202 respectively; When matched moulds, the first caulking groove 703 of cover half 7 sidewalls and the second caulking groove 702 are corresponding with left caulking groove 802 and the right caulking groove 803 of dynamic model 8 respectively; Groove 203, left groove 201 and right groove 202 on dynamic model frame 2 coordinates with the left pellet 306 on the lower pellet 503 on lower core-pulling device 5, right pellet 402, the left core-pulling device 3 on right core-pulling device 4 respectively; The convex shoulder 706 at 7 four jiaos of places of cover half coordinates with the limit groove 805 at 8 four jiaos of places of dynamic model respectively, ensures that the mated condition of cover half 7 and dynamic model 8 meets the requirements;
When die casting matched moulds, the outlet of cup 6 is alignd with down gate 504, the entrance of ingate 804 aligns with the runner gate 505 on lower pellet 502, the common passage that forms alloy and melt liquid and enter die cavity, lower pellet 502 is positioned at reservoir 704 tops of cover half 7, and reservoir 704 can initially play buffering in die casting and melt flow velocity, is conducive to discharge the effect of mould intracavity gas, to preventing that the pump housing 11 from existing the defect of pore to play key effect, especially to preventing that the hanging basket end 12 of the pump housing 11 from existing pore very crucial; Reservoir 704 is with the end of ingate 804 respectively with lower flow channel 705 and upper runner 806, and lower flow channel 705 and upper runner 806 all align with the runner 507 of lower pellet 502 ends, and alloy melts liquid and enters in die cavity from runner 507; One end relative with ingate 804 on dynamic model 8 is with upper groove 801, and one end relative with reservoir 704 on cover half 7 is with low groove 701; When matched moulds, upper groove 801 forms air storing cavity with low groove 701, can be used to store the pore of discharging in die cavity, makes pore not in the forming cavity in the pump housing 11, and the pump housing 11 finally obtaining does not contain gas hole defect.
More than describing is explanation of the invention, is not the restriction to invention, and limited range of the present invention, referring to claim, within protection scope of the present invention, can be done any type of amendment.
Claims (5)
1. a die casting for the pump housing, comprises cover half frame (1), cover half (7), dynamic model (8) and dynamic model frame (2); Cover half (7) is fixed in the cover half groove (101) of cover half frame (1); Dynamic model (8) is fixed in the dynamic model groove of dynamic model frame (2); It is characterized in that: between three sidewalls of cover half frame (1) and three sidewalls of corresponding cover half groove (101) respectively with square slideway (102); Two relative slideways (102) locate to install respectively left core-pulling device (3), right core-pulling device (4), and another slideway (102) locates to install lower core-pulling device (5); Lower core-pulling device (5) comprises fixed mount (303), oil cylinder (302) is fixed on fixed mount (303), pull bar (304) end of oil cylinder (302) is connected with sliding block (503), the front end face of sliding block (503) and lower pellet (502) are connected, the top of sliding block (503) is with down gate (504), the top rear of lower pellet (502) is with the runner gate (505) docking with down gate (504), the front end face of lower pellet (502) the several lower plugs (501) that are connected; Sliding block (503) is positioned at slideway (102); A side band fluted (203) that is positioned at described dynamic model groove on dynamic model frame (2), groove (203) locates to be equipped with cup (6), and the entrance of the ingate (804) on dynamic model (8) is positioned at the exit of cup (6); When matched moulds, the outlet of cup (6) is alignd with down gate (504), the entrance of ingate (804) aligns with the runner gate (505) on lower pellet (502), lower pellet (502) is positioned at reservoir (704) top of cover half (7), reservoir (704) is with the end of ingate (804) respectively with lower flow channel (705) and upper runner (806), and lower flow channel (705) and upper runner (806) all align with the runner (507) of lower pellet (502) end; The upper one end relative with ingate (804) of dynamic model (8) is with upper groove (801), and the upper one end relative with reservoir (704) of cover half (7) is with low groove (701); When matched moulds, upper groove (801) forms air storing cavity with low groove (701).
2. the die casting of a kind of pump housing as claimed in claim 1, it is characterized in that: the two side of slideway (102) and bottom surface are fixed with respectively slide rail (103) and cushion block (104), left core-pulling device (3) and right core-pulling device (4) include fixed mount (303), oil cylinder (302) and pull bar (304), pull bar (304) in left core-pulling device (3) is connected with left slider (306), the front end face of left slider (306) and left pellet (307) are connected, and left pellet (307) front end face is fixed with camshaft plug (301) and left plug (308); Pull bar (304) in right core-pulling device (4) is connected with right slide block (402), and right slide block (402) front end face is fixed with right pellet (401), and right pellet (401) is upper is axially equipped with right plug (403) along pull bar (304); The two sides of left slider (306), right slide block (402) and sliding block (503) are all with boss, and the slide rail (103) of described boss and slideway (102) both sides is slidably matched.
3. the die casting of a kind of pump housing as claimed in claim 1, it is characterized in that: dynamic model (8) is with dynamic model frame (2) by inserting the first backstay (9) location in dynamic model frame (2), and cup (6) is by inserting the second backstay (10) location in dynamic model frame (2); The left caulking groove (802) of dynamic model (8) and right caulking groove (803) align with the left groove (201) of dynamic model frame (2) and the breach of right groove (202) respectively; When matched moulds, first caulking groove (703) of cover half (7) sidewall and the second caulking groove (702) are corresponding with left caulking groove (802) and the right caulking groove (803) of dynamic model (8) respectively; Groove (203) on dynamic model frame (2), left groove (201) and right groove (202) coordinate with the right pellet (402) on lower pellet (503), right core-pulling device (4) on lower core-pulling device (5), the left pellet (306) on left core-pulling device (3) respectively; The convex shoulder (706) at (7) four jiaos of places of cover half coordinates with the limit groove (805) at (8) four jiaos of places of dynamic model respectively.
4. the die casting of a kind of pump housing as claimed in claim 1, is characterized in that: the quantity of lower plug (501) is 4.
5. the die casting of a kind of pump housing as claimed in claim 2, is characterized in that: camshaft plug (301) is cylinder body shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310125707.0A CN103192053B (en) | 2013-04-12 | 2013-04-12 | Die-casting die for pump bodies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310125707.0A CN103192053B (en) | 2013-04-12 | 2013-04-12 | Die-casting die for pump bodies |
Publications (2)
| Publication Number | Publication Date |
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| CN103192053A CN103192053A (en) | 2013-07-10 |
| CN103192053B true CN103192053B (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310125707.0A Active CN103192053B (en) | 2013-04-12 | 2013-04-12 | Die-casting die for pump bodies |
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| CN (1) | CN103192053B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394667B (en) * | 2013-04-12 | 2015-04-15 | 无锡博进精密机械制造有限公司 | Die-casting die of pump body and method for manufacturing pump body by using die-casting die |
| CN106312012A (en) * | 2015-06-29 | 2017-01-11 | 长城汽车股份有限公司 | Lateral parting mold structure |
| CN105215322A (en) * | 2015-10-23 | 2016-01-06 | 宁波华朔模具机械有限公司 | A kind of die casting that multiple spot pulled core structure is housed |
| CN105880519B (en) * | 2016-06-21 | 2017-11-10 | 王仙寿 | Die casting for compressor of air conditioner cylinder body |
| CN108436056B (en) * | 2018-03-22 | 2020-06-23 | 重庆市搏润模具有限公司 | Die-casting die capable of realizing long-distance core pulling |
| CN113798468A (en) * | 2021-08-30 | 2021-12-17 | 江苏宏马科技股份有限公司 | Die-casting die of self-priming engine cylinder head cover |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202498697U (en) * | 2012-02-15 | 2012-10-24 | 宁波埃利特模具制造有限公司 | Core pulling structure for die-casting die |
| CN202655601U (en) * | 2012-08-13 | 2013-01-09 | 宁海县赛跃金属制品有限公司 | Core-pulling mechanism on warmer cooling component mould |
| CN202845742U (en) * | 2012-12-04 | 2013-04-03 | 贵州裕高电子有限责任公司 | Die-casting die of pneumatic diaphragm pump motor body |
| CN203197223U (en) * | 2013-04-12 | 2013-09-18 | 无锡博进精密机械制造有限公司 | Pressure casting die of pump body |
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2013
- 2013-04-12 CN CN201310125707.0A patent/CN103192053B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202498697U (en) * | 2012-02-15 | 2012-10-24 | 宁波埃利特模具制造有限公司 | Core pulling structure for die-casting die |
| CN202655601U (en) * | 2012-08-13 | 2013-01-09 | 宁海县赛跃金属制品有限公司 | Core-pulling mechanism on warmer cooling component mould |
| CN202845742U (en) * | 2012-12-04 | 2013-04-03 | 贵州裕高电子有限责任公司 | Die-casting die of pneumatic diaphragm pump motor body |
| CN203197223U (en) * | 2013-04-12 | 2013-09-18 | 无锡博进精密机械制造有限公司 | Pressure casting die of pump body |
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| CN103192053A (en) | 2013-07-10 |
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