CN202943216U - Inclined casting die for wall-thickness jumped hydraulic pump cases - Google Patents

Inclined casting die for wall-thickness jumped hydraulic pump cases Download PDF

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Publication number
CN202943216U
CN202943216U CN 201220709657 CN201220709657U CN202943216U CN 202943216 U CN202943216 U CN 202943216U CN 201220709657 CN201220709657 CN 201220709657 CN 201220709657 U CN201220709657 U CN 201220709657U CN 202943216 U CN202943216 U CN 202943216U
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CN
China
Prior art keywords
hydraulic pump
die
casting
mould
temperature
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
Application number
CN 201220709657
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Chinese (zh)
Inventor
秦锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING QINGYI MOULD MANUFACTURING Co Ltd
Original Assignee
CHONGQING QINGYI MOULD MANUFACTURING Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by CHONGQING QINGYI MOULD MANUFACTURING Co Ltd filed Critical CHONGQING QINGYI MOULD MANUFACTURING Co Ltd
Priority to CN 201220709657 priority Critical patent/CN202943216U/en
Application granted granted Critical
Publication of CN202943216U publication Critical patent/CN202943216U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an inclined casting die for wall-thickness jumped hydraulic pump cases. The inclined casting die comprises a bottom die, a left die, a right die and a rear die, wherein the left die, the right die and the rear die are arranged on the bottom die, a die cavity is arranged among the bottom die, the left die, the right die and the rear die, the shape and structure of the die cavity are same as those of a hydraulic pump case, an internal cavity core is arranged in the die cavity, the left die is provided with a left loose core, the right die is provided with a right loose core, a temperature field control structure I for controlling a temperature field is arranged in the bottom die, and a temperature field control structure II for controlling the temperature field is arranged in the internal cavity core. Since the temperature field control structure I is arranged in the bottom die and corresponds to the bottom of an oil cavity of the hydraulic pump case and the temperature field control structure II is arranged in the internal cavity core and corresponds to the side wall of the oil cavity of the hydraulic pump case, the temperature field can be accurately controlled in the process of casting the hydraulic pump case; and the hydraulic pump case is manufactured in an inclined gravity casting mode, so that the defects of the wall-thickness jumped hydraulic pump case, such as cavity shrinkage and dispersed shrinkage, in the process of casting can be effectively overcome.

Description

Wall thickness drastic change casing of hydraulic pump inclined casting casting mould
Technical field
The utility model relates to a kind of casting mould, and concrete is a kind of inclined casting casting mould for casting wall thickness drastic change hydraulic pump object.
Background technology
The complicated structure of casing of hydraulic pump, the general mode of casting that adopts is produced.Yet in the foundry production of casing of hydraulic pump, because the temperature field can't accurately be controlled, often have the defective of shrinkage cavity and porosity, and in the coarse grains defective at casing of hydraulic pump heavy wall position.Therefore, adopt at present the wall thickness of the casing of hydraulic pump that casting technique produces all to adopt the method for transition gradually to realize transition between heavy wall and thin-walled, to reduce shrinkage cavity and the shrinkage defect in casting process.Although existing casing of hydraulic pump casting mould can satisfy the Foundry Production of conventional casing of hydraulic pump to a certain extent, but can't satisfy the Foundry Production demand of the casing of hydraulic pump of some special wall thickness drastic changes.
As shown in Figure 1, structural representation for a kind of casing of hydraulic pump of wall thickness drastic change, the wall thickness of the union end 2 of this casing of hydraulic pump 1 reaches 35mm, the wall thickness of the oil-in 3a of oil pocket 3, oil-out 3b and oil pocket sidewall bottom 3c is 15mm, and other regional wall thickness of oil pocket 3 are 5mm, the wall thickness transitional region is not set between each wall thickness regions due to this casing of hydraulic pump, and therefore existing casing of hydraulic pump casting mould can't satisfy its Foundry Production demand.
In view of this, the utility model is intended to explore a kind of wall thickness drastic change casing of hydraulic pump inclined casting casting mould, this wall thickness drastic change casing of hydraulic pump inclined casting casting mould is by the control to the temperature field, with the shrinkage cavity and porosity defective that prevents from causing due to wall thickness drastic change, can satisfy the casting demand of wall thickness drastic change casing of hydraulic pump.
Summary of the invention
The technical problems to be solved in the utility model is to propose a kind of wall thickness drastic change casing of hydraulic pump inclined casting casting mould, this wall thickness drastic change casing of hydraulic pump inclined casting casting mould is by the control to the temperature field, with the shrinkage cavity and porosity defective that prevents from causing due to wall thickness drastic change, can satisfy the casting demand of wall thickness drastic change casing of hydraulic pump.
realize above-mentioned technical purpose, wall thickness drastic change casing of hydraulic pump inclined casting casting mould of the present utility model, comprise bed die and the left side mould that is installed on bed die, right side mould and rear side form, described bed die, the left side mould, be provided with the die cavity identical with the casing of hydraulic pump shape and structure between right side mould and rear side form, be provided with the inner chamber core in described die cavity, described left side mould is provided with a left side and looses core, described right side mould is provided with the right side and looses core, be provided with in described bed die for the Temperature Field Control structure I of controlling the temperature field, be provided with in described inner chamber core for the Temperature Field Control structure I I that controls the temperature field.
Further, described Temperature Field Control structure I is the chill loose piece that is arranged in described bed die.
Further, described Temperature Field Control structure I is the cooling duct I that is arranged in described bed die.
Further, described Temperature Field Control structure I I is arranged in described inner chamber core and the chill corresponding with the thin-wall regions of casing of hydraulic pump.
Further, loose core to loose core with the right side and be symmetricly set on described left side mould and right side mould in a described left side.
Further, be provided with ejecting mechanism on described bed die, described left side mould is provided with cup.
The beneficial effects of the utility model are:
wall thickness drastic change casing of hydraulic pump inclined casting casting mould of the present utility model, oil pocket bottom surface by set temperature field control structure I in bed die and casing of hydraulic pump is corresponding, corresponding with the oil pocket sidewall of casing of hydraulic pump by set temperature field control structure II in the inner chamber core, can accurately control the temperature field in the casing of hydraulic pump casting process, and adopt the inclined gravity forging type to make casing of hydraulic pump, the shrinkage cavity of the casing of hydraulic pump that can effectively solve in casting process, shrinkage defect, make the internal soundness of casting the wall thickness drastic change casing of hydraulic pump that obtains qualified, presentation quality is outstanding, mechanical performance is high and stable.
Description of drawings
Fig. 1 is the structural representation of wall thickness drastic change casing of hydraulic pump;
Fig. 2 is the structural representation of the utility model wall thickness drastic change casing of hydraulic pump inclined casting casting mould embodiment;
Fig. 3 is the structural representation of bed die;
Fig. 4 is the structural representation of inner chamber core.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.
As shown in Figure 2, be the structural representation of the utility model wall thickness drastic change casing of hydraulic pump inclined casting casting mould embodiment.The wall thickness drastic change casing of hydraulic pump inclined casting casting mould of the present embodiment, comprise bed die 4 and the left side mould 5, right side mould 6 and the rear side form 7 that are installed on bed die 4, be provided with the die cavity identical with casing of hydraulic pump 1 shape and structure between bed die 4, left side mould 5, right side mould 6 and rear side form 7, be provided with inner chamber core 8 in die cavity, left side mould 5 is provided with a left side and looses core 9, right side mould 6 is provided with the right side and looses core 10, be provided with in bed die 4 for the Temperature Field Control structure I of controlling the temperature field, be provided with in inner chamber core 8 for the Temperature Field Control structure I I that controls the temperature field.
The Temperature Field Control structure I can be for being arranged on the chill loose piece 11 in bed die 4, Temperature Field Control structure I I also can be for being arranged on the cooling duct I in bed die 4, the Temperature Field Control structure I of the present embodiment is 4 chill loose pieces 11 that are arranged in bed die 4, and each piece chill loose piece 11 all is set to 6 rotations and uses.Temperature Field Control structure I I is arranged in inner chamber core 8 and the chill 12 corresponding with the thin-wall regions of casing of hydraulic pump 1, and chill 12 is fixedly installed in inner chamber core 8, takes out after die sinking is completed in casting and continues to use.Preferably, loose core and 9 be removably disposed on the mould 5 of left side in a left side, looses core and 10 be removably disposed on right side mould 6 in the right side, and a left side loose core 9 and the right side loose core and 10 be symmetrical set.
Preferably, be provided with ejecting mechanism on bed die 4, left side mould 5 is provided with cup, and the casing of hydraulic pump 1 after ejecting mechanism is used for casting is completed ejects casting mould.
the wall thickness drastic change casing of hydraulic pump inclined casting casting mould of the present embodiment, corresponding by oil pocket 3 bottom surfaces at the interior set temperature of bed die 4 field control structure I and casing of hydraulic pump 1, by corresponding with oil pocket 3 sidewalls of casing of hydraulic pump 1 at the interior set temperature of inner chamber core 8 field control structure II, can accurately control the temperature field in casing of hydraulic pump 1 casting process, and adopt the inclined gravity forging type to make casing of hydraulic pump 1, the shrinkage cavity of casing of hydraulic pump 1 in casting process that can effectively solve, shrinkage defect, make the internal soundness of casting the wall thickness drastic change casing of hydraulic pump that obtains qualified, presentation quality is outstanding, mechanical performance is high and stable.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.

Claims (6)

1. wall thickness drastic change casing of hydraulic pump inclined casting casting mould, comprise bed die and the left side mould, right side mould and the rear side form that are installed on bed die, be provided with the die cavity identical with the casing of hydraulic pump shape and structure between described bed die, left side mould, right side mould and rear side form, be provided with the inner chamber core in described die cavity, it is characterized in that: described left side mould is provided with a left side and looses core, described right side mould is provided with the right side and looses core, be provided with in described bed die for the Temperature Field Control structure I of controlling the temperature field, be provided with in described inner chamber core for the Temperature Field Control structure I I that controls the temperature field.
2. wall thickness drastic change casing of hydraulic pump inclined casting casting mould according to claim 1 is characterized in that: described Temperature Field Control structure I is the chill loose piece that is arranged in described bed die.
3. wall thickness drastic change casing of hydraulic pump inclined casting casting mould according to claim 1 is characterized in that: described Temperature Field Control structure I is the cooling duct I that is arranged in described bed die.
4. according to claim 2 or 3 described wall thickness drastic change casing of hydraulic pump inclined casting casting moulds is characterized in that: described Temperature Field Control structure I I is arranged in described inner chamber core and the chill corresponding with the thin-wall regions of casing of hydraulic pump.
5. wall thickness drastic change casing of hydraulic pump inclined casting casting mould according to claim 4 is characterized in that: loosing core in a described left side and looses core in the right side is symmetricly set on described left side mould and right side mould.
6. wall thickness drastic change casing of hydraulic pump inclined casting casting mould according to claim 4, it is characterized in that: be provided with ejecting mechanism on described bed die, described left side mould is provided with cup.
CN 201220709657 2012-12-20 2012-12-20 Inclined casting die for wall-thickness jumped hydraulic pump cases Expired - Fee Related CN202943216U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220709657 CN202943216U (en) 2012-12-20 2012-12-20 Inclined casting die for wall-thickness jumped hydraulic pump cases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220709657 CN202943216U (en) 2012-12-20 2012-12-20 Inclined casting die for wall-thickness jumped hydraulic pump cases

Publications (1)

Publication Number Publication Date
CN202943216U true CN202943216U (en) 2013-05-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220709657 Expired - Fee Related CN202943216U (en) 2012-12-20 2012-12-20 Inclined casting die for wall-thickness jumped hydraulic pump cases

Country Status (1)

Country Link
CN (1) CN202943216U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104139157A (en) * 2014-07-30 2014-11-12 宁国市大泉机械有限公司 Multi-material casting splicing mold
CN111151718A (en) * 2020-01-19 2020-05-15 四川省犍为恒益铝业有限公司 Casing casting forming method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104139157A (en) * 2014-07-30 2014-11-12 宁国市大泉机械有限公司 Multi-material casting splicing mold
CN111151718A (en) * 2020-01-19 2020-05-15 四川省犍为恒益铝业有限公司 Casing casting forming method

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130522

Termination date: 20191220

CF01 Termination of patent right due to non-payment of annual fee