CN203448649U - Low-pressure casting die for proportional valve - Google Patents
Low-pressure casting die for proportional valve Download PDFInfo
- Publication number
- CN203448649U CN203448649U CN201320524814.6U CN201320524814U CN203448649U CN 203448649 U CN203448649 U CN 203448649U CN 201320524814 U CN201320524814 U CN 201320524814U CN 203448649 U CN203448649 U CN 203448649U
- Authority
- CN
- China
- Prior art keywords
- proportioning valve
- cylinder
- die
- push pedal
- counterdie
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides a low-pressure casting die for a proportional valve; the proportional valve is formed by casting a cavity formed during the die assembly state of an upper die and a lower die; the lower die is connected with a low-pressure casting machine body; a cylinder fixing board is provided with a cylinder at the outer side and is connected with the lower die at the inner side; a cylinder piston rod is fixedly connected with one end of a core loosing rod of which the other end extends into the position of a core loosing hole; the upper end surface of an upper die fixing plate is arranged on a movable cylinder at the upper part of the low-pressure casting machine body; the lower end surface of the upper die fixing plate is fixedly connected with the upper die; a gap is preserved between the upper die fixing plate and the upper die; the lower end surface of the upper die fixing plate is provided with a plate pushing guide post; a push plate vertically slides in the direction of the plate pushing guide post; the upper fixing plate is provided with a push rod hole; one end of a top rod is fixedly connected to the push plate while the other end penetrates through the push hole in the upper die to be level with the upper wall of the inner cavity of the upper die. The low-pressure casting die for the proportional valve has the beneficial effects of being high in automation level and saving-cost, ensuring the safety of operators and solving the molding problem of the side surface core loosing proportional valve, and the molding capacity of the proportional valve is improved and the molding quality of the proportional valve is ensured due to the large-size part arrangement of a raw material heat preservation cavity.
Description
Technical field
The utility model belongs to low pressure casting die field, especially relates to a kind of proportioning valve low pressure casting die.
Background technology
In prior art, for by the main two kinds of forging types of being cast with of the low temperature melting point metals such as aluminium.
The first forging type is traditional sandbox forging type, and this traditional forging type in process of production.Can produce a large amount of energy and the waste of resource, environment also be had to very large pollution simultaneously.For the enterprise of the large batch of manufacturing, also need have specially a set of workshop to think supporting.Aspect cost and human input, all there is larger waste.
The casting die of the second forging type for using refractory material manufacture repeatedly back and forth to use, the benefit that this mode is manufactured is that mould can repeatedly be used.After but this mould with refractory material making is used artificial melted material, manual mode of building is produced, and automaticity is low, and complicated operation exists larger danger simultaneously.For this mode of enterprise of producing in enormous quantities, in efficiency, also cannot reach requirement.
In above two kinds of casting methods, for the proportioning valve that has side to loose core, all there is no good making way, after typically using proportioning valve and having cast, carry out secondary operations, complete the processing of the part-structure of loosing core.It is that time cost or equipment cost and human cost are all very large wastes that such mode has increased by a procedure for the processing of proportioning valve.
Summary of the invention
Problem to be solved in the utility model is a kind of proportioning valve low pressure casting die, especially a kind of low pressure casting die that is applicable to a cast molding of large-scale part.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
Provide a kind of proportioning valve low pressure casting die to comprise mould molding unit, ejecting unit, side core-pulling unit, raw material incubation cavity; Mould molding unit comprises upper die and lower die, and proportioning valve die cavity that patrix bottom and counterdie top have is symmetrical, and upper and lower mould is separable, and counterdie top has the running channel that the die cavity with its top connects, and described counterdie is arranged on air injection machine body.
Side core-pulling unit comprises air cylinder fixed plate and cylinder, described air cylinder fixed plate arranged outside has cylinder, and inner side is connected with counterdie, the piston rod of the affixed cylinder in described core_pulling pole one end, the other end stretches into corresponding core-drawing hole position in described counterdie, the interior recess of corresponding proportioning valve side during casting.
For after having the proportioning valve loosed core in side to typically use proportioning valve to have cast, carry out secondary operations, complete the processing of the part-structure of loosing core.It is that time cost or equipment cost and human cost are all very large wastes that such mode has increased by a procedure for the processing of proportioning valve.
Design, with the upper side unit of loosing core, makes proportioning valve at casting front air cylinder, core_pulling pole inwardly be shifted onto in die body die cavity.The exhaust hood of having cast resets and extracts core_pulling pole out, and the female parts of described proportioning valve side has been cast.After core_pulling pole detaches, on patrix, move, proportioning valve with on move.If core_pulling pole fails to detach smoothly, on patrix, move past Cheng Zhonghui and cause proportioning valve to depart from the situation of patrix, even can damage core_pulling pole mould structure is damaged.
Ejecting unit comprises upper mould fixed plate, push pedal, jogger hole, and upper mould fixed plate upper surface is arranged on air injection machine top motion cylinder, the affixed patrix in lower surface, and gap is left in centre; In push pedal, be provided with guide pillar hole, the push pedal guide pillar arranging with described upper mould fixed plate lower surface matches, push pedal slides up and down along push pedal guide pillar, described push pedal guide pillar lower end is connected with and screws nut, push pedal guide pillar overcoat has back-moving spring, and back-moving spring upper end props up push pedal lower end and props up and screw nut, and some push-rod holes are set on upper mould fixed plate, described push rod one end is fixed in described push pedal, and the other end is concordant with the interior die cavity upper wall of described patrix through the jogger hole arranging on described patrix;
At upper mould fixed plate, with air injection machine top motion cylinder, move on to after assigned address on together, push rod fixing on air injection machine is just by the push-rod hole arranging on upper mould fixed plate.Promotion push pedal moves down, and push rod affixed in push pedal moves down thereupon, promotes proportioning valve upper end face and makes it depart from the die cavity of patrix.After departing from, operating personnel can take proportioning valve away to carry out casting cycle next time.
Further, the discharging opening of raw material incubation cavity is connected with the running channel on described counterdie.
Because this proportioning valve proportioning valve volume is larger, need more volume molten condition material injecting mould die cavity.By the molten condition feed pressure in the smelting furnace in air injection machine, fill type merely, may produce cavity filling process Raw temperature and reduce and solidify, cause the not full state of type that fills.The proportioning valve forming after casting has part and casts incomplete situation generation.For fear of the situation that molten condition raw material solidifies when filling type, occur, a raw material incubation cavity that has heating and heat preserving function is set between the smelting furnace in running channel and air injection machine.To guarantee there is good mobility in the former process of filling type of molten condition, guarantee proportioning valve Forming Quality, avoid defect.
Further, described cylinder is magnet ring cylinder.
The position motion of magnet ring cylinder can be carried out fine adjustment, in use can finely tune, and guarantees that side core-pulling unit can precisely move.
Further, described counterdie 11 tops are vertical positioning guide column, and described patrix 10 bottoms offer corresponding positioning guide column hole.
Further, also comprise heater strip, in described raw material incubation cavity, have zone of heating, in zone of heating, be provided with heater strip.
Further, the draw taper of described counterdie is than the large 0.3-0.7 degree of the draw taper of patrix.
In order to realize proportioning valve, with patrix, together move upward, then by ejecting unit, complete the operation ejecting.During for the die sinking of assurance mould, proportioning valve, at patrix, just need to regulate the draw taper of upper die and lower die.The less draw taper of patrix setting, the frictional force of comparative example valve is larger, during motion, can move thereupon, and the counterdie that draw taper is larger can first depart from proportioning valve.
Advantage and the good effect that the utlity model has are: automaticity height is cost-saving and reduce the problem that human input does not have environmental pollution simultaneously yet, guarantees operating personnel's safety.Solved and had the loose core moulding problem of proportioning valve of side.For large-scale part, raw material incubation cavity is set simultaneously and improves the Forming Quality that proportioning valve mold-filling capacity has guaranteed proportioning valve.
Accompanying drawing explanation
Fig. 1 is the front view of this utility model;
Fig. 2 is the stereogram of this utility model;
Fig. 3 is the counterdie schematic diagram of this utility model;
Fig. 4 is the proportioning valve stereogram of this utility model.
In figure:
1-raw material incubation cavity; 2-heater strip; 3-running channel; 4-air cylinder fixed plate; 5-cylinder; 6-core_pulling pole; 7-upper mould fixed plate; 8-push-rod hole; 9-push pedal; 10-patrix; 11-counterdie; 12-proportioning valve; 13-guide pillar; 14-push rod; 15-push pedal guide pillar; 16-core-drawing hole; 17-jogger hole.
The specific embodiment
As shown in Fig. 1 and 2 and 3, a kind of proportioning valve low pressure casting die comprises mould molding unit, ejecting unit, side core-pulling unit, raw material incubation cavity.Mould molding unit comprises patrix 10 and counterdie 11, patrix 10 bottoms and counterdie 11 tops have symmetrical proportioning valve 12 die cavities, upper and lower mould is separable, counterdie 11 tops have the running channel 3 connecting with the die cavity on its top, shape in the upper and lower die body of proportioning valve that described counterdie 11 is arranged on this die casting on air injection machine body is identical, and die joint is the geometry bisector plane of proportioning valve.Side core-pulling unit comprises air cylinder fixed plate 4 and cylinder 5, described air cylinder fixed plate 4 arranged outside have cylinder 5, inner side is connected with counterdie 11, the piston rod of the affixed cylinder 5 in described core_pulling pole (6) one end, the other end stretches into the interior corresponding core-drawing hole of described counterdie 11 16 positions, the interior recess of corresponding proportioning valve side during casting.(as shown in Figure 4).
For after having the proportioning valve loosed core in side to typically use proportioning valve to have cast, carry out secondary operations, complete the processing of the part-structure of loosing core.It is that time cost or equipment cost and human cost are all very large wastes that such mode has increased by a procedure for the processing of proportioning valve.Design, with the upper side unit of loosing core, makes proportioning valve at casting front air cylinder 5, core_pulling pole 6 inwardly be shifted onto in die body die cavity.The exhaust hood 5 of having cast resets and extracts core_pulling pole 6 out, and the female parts of described proportioning valve 12 sides has been cast.After core_pulling pole 6 detaches, on patrix 10, move, proportioning valve with on move.If core_pulling pole 6 fails to detach smoothly, on patrix 10, move past Cheng Zhonghui and cause proportioning valve to depart from the situation of patrix, even can damage 6 pairs of mould structures of core_pulling pole and damage.
Ejecting unit comprises upper mould fixed plate 7, push pedal 9, push rod 14, and upper mould fixed plate 7 upper surfaces are arranged on air injection machine top motion cylinder, the affixed patrix 10 in lower surface, and gap is left in centre; In push pedal 9, be provided with guide pillar hole, the push pedal guide pillar 15 arranging with described upper mould fixed plate 7 lower surfaces matches, push pedal 9 slides up and down along push pedal guide pillar 15, described push pedal guide pillar 15 lower ends are connected with and screw nut, push pedal guide pillar 15 overcoats have back-moving spring, back-moving spring upper end props up push pedal 9 lower ends and props up and screw nut, some push-rod holes 8 are set on upper mould fixed plate 7, described push rod 14 one end are fixed in described push pedal 9, and the other end is concordant with the interior die cavity upper wall of described patrix 10 through the jogger hole 17 arranging on described patrix 10.
At upper mould fixed plate 7, with air injection machine top motion cylinder, move on to after assigned address on together, push rod fixing on air injection machine is just by the push-rod hole 8 arranging on upper mould fixed plate 7.Promote push pedal 9 and move down, push rod 14 affixed in push pedal 9 moves down thereupon, promotes proportioning valve upper end face and makes it depart from the die cavity of patrix 10.After departing from, operating personnel can take proportioning valve away to carry out casting cycle next time.
The discharging opening of raw material incubation cavity 1 is connected with the running channel 3 on described counterdie 11.Because this proportioning valve proportioning valve volume is larger, need more volume molten condition material injecting mould die cavity.By the molten condition feed pressure in the smelting furnace in air injection machine, fill type merely, may produce cavity filling process Raw temperature and reduce and solidify, cause the not full state of type that fills.The proportioning valve forming after casting has part and casts incomplete situation generation.For fear of the situation that molten condition raw material solidifies when filling type, occur, a raw material incubation cavity 1 that has heating and heat preserving function is set between the smelting furnace in running channel 3 and air injection machine.To guarantee there is good mobility in the former process of filling type of molten condition, guarantee proportioning valve Forming Quality, avoid defect.
The draw taper of counterdie 11 is than the large 0.3-0.7 degree of the draw taper of patrix 10.In order to realize proportioning valve, with patrix 10, together move upward, then by ejecting unit, complete the operation ejecting.During for the die sinking of assurance mould, proportioning valve, at patrix 10, just need to regulate the draw taper of patrix 10 and counterdie 11.Patrix 10 arranges less draw taper, and the frictional force of comparative example valve is larger, during motion, can move thereupon, and the counterdie 11 that draw taper is larger can first depart from proportioning valve.In described proportioning valve 12 1 moulds, arrange two.
The course of work: motion cylinder in air injection machine top moves downward, drives upper mould fixed plate 7 to move downward.Patrix 10 moves downward and described counterdie 11 matched moulds thereupon.Mould body 11 both sides cylinders 5 start, and core_pulling pole 6 are stretched into the core-drawing hole position of counterdie 11 interior correspondences.Molten condition raw material in smelting furnace in air injection machine under pressure, is filled into by raw material incubation cavity 1, running channel 3 die cavity forming in upper and lower die body, becomes required proportioning valve 12 after cooling.
After cooling, again start cylinder 5, core_pulling pole 6 is extracted out to the core-drawing hole position of counterdie 11 interior correspondences.Motion cylinder in air injection machine top moves upward, and proportioning valve 12 together moves upward with patrix 10, on air injection machine top motion cylinder, moves on to after assigned address, and push rod fixing on air injection machine is just by the push-rod hole 8 arranging on upper mould fixed plate 7.Promote push pedal 9 and move down, push rod 14 affixed in push pedal 9 moves down thereupon, promotes proportioning valve upper end face and makes it depart from the die cavity of patrix 10.After departing from, operating personnel can take proportioning valve away to carry out casting cycle next time.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (5)
1. a proportioning valve low pressure casting die, is characterized in that: comprise mould molding unit, ejecting unit, side core-pulling unit, raw material incubation cavity (1);
Mould molding unit comprises patrix (10) and counterdie (11), patrix (10) bottom and counterdie (11) top have symmetrical proportioning valve die cavity, upper and lower mould is separable, counterdie (11) top has the running channel (3) connecting with the die cavity on its top, and described counterdie (11) is arranged on air injection machine body;
Side core-pulling unit comprises air cylinder fixed plate (4) and cylinder (5), described air cylinder fixed plate (4) arranged outside has cylinder (5), inner side is connected with counterdie (11), the piston rod of the affixed cylinder in described core_pulling pole (6) one end (5), the other end stretches into corresponding core-drawing hole (16) position in described counterdie (11), the interior recess of corresponding proportioning valve side during casting;
Ejecting unit comprises upper mould fixed plate (7), push pedal (9), push rod (14), and upper mould fixed plate (7) upper surface is arranged on air injection machine top motion cylinder, the affixed patrix in lower surface (10), and gap is left in centre, push pedal is provided with guide pillar hole on (9), the push pedal guide pillar (15) arranging with described upper mould fixed plate (7) lower surface matches, push pedal (9) slides up and down along push pedal guide pillar (15), described push pedal guide pillar (15) lower end is connected with and screws nut, push pedal guide pillar (15) overcoat has back-moving spring, back-moving spring upper end props up push pedal (9) lower end and props up and screw nut, some push-rod holes (8) are set on upper mould fixed plate (7), described push rod (14) one end is fixed in described push pedal (9), the other end is concordant with the interior die cavity upper wall of described patrix (10) through the upper jogger hole (17) arranging of described patrix (10),
The discharging opening of described raw material incubation cavity (1) is connected with the running channel (3) on described counterdie (11).
2. a kind of proportioning valve low pressure casting die according to claim 1, is characterized in that: described cylinder (5) is magnet ring cylinder.
3. a kind of proportioning valve low pressure casting die according to claim 1, is characterized in that: described counterdie (11) top is vertical positioning guide column, and described patrix (10) bottom offers corresponding positioning guide column hole.
4. a kind of proportioning valve low pressure casting die according to claim 1, is characterized in that: also comprise heater strip (2), in described raw material incubation cavity (1), have zone of heating, be provided with heater strip (2) in zone of heating.
5. a kind of proportioning valve low pressure casting die according to claim 1, is characterized in that: the draw taper of described counterdie (11) is than the large 0.3-0.7 degree of the draw taper of patrix (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524814.6U CN203448649U (en) | 2013-08-26 | 2013-08-26 | Low-pressure casting die for proportional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524814.6U CN203448649U (en) | 2013-08-26 | 2013-08-26 | Low-pressure casting die for proportional valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203448649U true CN203448649U (en) | 2014-02-26 |
Family
ID=50128553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320524814.6U Expired - Fee Related CN203448649U (en) | 2013-08-26 | 2013-08-26 | Low-pressure casting die for proportional valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203448649U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785747A (en) * | 2015-04-07 | 2015-07-22 | 苏州南新电机有限公司 | Rotor pressure-casting process |
| CN106077587A (en) * | 2016-07-28 | 2016-11-09 | 浙江开高阀门科技有限公司 | For processing the mould of valve body |
-
2013
- 2013-08-26 CN CN201320524814.6U patent/CN203448649U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785747A (en) * | 2015-04-07 | 2015-07-22 | 苏州南新电机有限公司 | Rotor pressure-casting process |
| CN106077587A (en) * | 2016-07-28 | 2016-11-09 | 浙江开高阀门科技有限公司 | For processing the mould of valve body |
| CN106077587B (en) * | 2016-07-28 | 2017-12-05 | 浙江开高阀门科技有限公司 | For processing the mould of valve body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209395199U (en) | A kind of mould for plastics automatic demoulding mechanism | |
| CN103406518A (en) | Low-pressure casting mold for proportional valve | |
| CN203448649U (en) | Low-pressure casting die for proportional valve | |
| CN107756733A (en) | A kind of plastic injection compression precise forming mold and technique | |
| CN104084568A (en) | Mold opening and closing machine for gravity metal mold casting | |
| CN204209090U (en) | Novel metal die casting | |
| CN202343915U (en) | Cast die for aluminum alloy current transformer (CT) shell for high-voltage switch | |
| CN205167463U (en) | Two push pedal quadratic terms of cam block formula go out mould | |
| CN204867347U (en) | Die casting die that mold insert just is used for making coffee pot heating pipe is equipped with | |
| CN204209069U (en) | A kind of engine cylinder cover casting mould | |
| CN103264482A (en) | Injection mold | |
| CN201098979Y (en) | Plastic inspection well main-well body die-casting forming die | |
| CN207465795U (en) | A kind of display lid shell mold tool | |
| CN202388722U (en) | Injection mold capable of automatically removing nozzle | |
| CN203221626U (en) | Embedded movable compression column mold structure | |
| CN203973970U (en) | The side shrinkage pool core-pulling device of LED Lamp cup shell injection mold | |
| CN103433467A (en) | Bearing cap low-pressure casting die | |
| CN209753934U (en) | Automatic core-pulling mechanism for single-cylinder engine inner cavity loose piece | |
| CN204338823U (en) | A kind of mould structure for the production of eight grades of hydraulic automatic speed variator main casings | |
| CN203557642U (en) | Mold for releasing interrupted thread by virtue of inclined sliding block | |
| CN103357823A (en) | Integrated molding mould of dead head and casting cavity | |
| CN207533915U (en) | A kind of casting mould of combination type core structure | |
| CN203448648U (en) | Low pressure casting mold for bearing cover | |
| CN204892907U (en) | Die casting die that combination formula feed cylinder just is used for making elevator footboard is equipped with | |
| CN103506597A (en) | Die-casting die with inner thread stripping mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 301800 East Industrial Zone, Baodi District, Tianjin Patentee after: Zhonglian Seiko (Tianjin) Co., Ltd. Address before: 301800 Tianjin City plastic products industrial zone, Baodi Patentee before: Tianjin Zhonglian Precision Casting Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20200826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |