CN203751305U - Die-casting die for motor end cover - Google Patents
Die-casting die for motor end cover Download PDFInfo
- Publication number
- CN203751305U CN203751305U CN201420105847.1U CN201420105847U CN203751305U CN 203751305 U CN203751305 U CN 203751305U CN 201420105847 U CN201420105847 U CN 201420105847U CN 203751305 U CN203751305 U CN 203751305U
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- China
- Prior art keywords
- die
- push rod
- motor end
- end cap
- air discharge
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Abstract
The utility model discloses a die-casting die for a motor end cover. The die-casting die comprises a die body comprising a fixed die and a movable die which can be separated from each other or buckled together. A cavity is formed in the fixed die, a core is fixed on the movable die, and the movable die and the fixed die form a die joint when buckled. A push rod fixing plate and a push rod are arranged on the die body, a ventilation groove is formed in the cavity and close to the die joint, and another ventilation groove is formed in the push rod. By means of the ventilation grooves, mixed gas in a pouring gate and the cavity can be discharged conveniently, filling is facilitated, and occurrence of gas defects in die-casting fittings is reduced or prevented. In addition, the die-casting die adopts secondary demoulding mechanisms, so that two mechanisms work in different stages in a whole stroke, the total demoulding resistance is dispersed, and the die-casting fittings can be removed smoothly.
Description
Technical field
The utility model relates to mould applications, relates in particular to a kind of motor end cap die casting.
Background technology
Motor refers to a kind of calutron of realizing electric energy conversion or transmit according to the law of electromagnetic induction, and its Main Function is to produce driving torque, and as the power source of electrical equipment or various machineries, in productive life, application is very extensive.And motor end cap is the lid at motor two ends, Main Function is the locus of determining the axle of rotor, with multi-form bearing fit, connects quality receive on the shell of fixing motor stator by end cap, guarantees the gap of rotor and stator.Therefore, the quality of motor cover is also related to the safety and reliability of motor operation.
Traditional motor end cap is easy to occur crack, defects i.e.cracks, cause motor end cap service life too short and sometimes even produce potential safety hazard, and being motor end cap, the reason that causes this defect when moulding, exists defect: 1) exhaust is not smooth during moulding, causes cast(ing) surface to have a large amount of pores and bubble; 2) when the foundry goods demoulding because package power is too large, be difficult for the demoulding, occur that drawing crack cracks.Therefore, how to improve motor end cap mould structure and further improve the quality of products and the convenience process becomes urgent problem in motor end cap production.
The utility model that is 201120221209.2 in the patent No. discloses a kind of motor end cover mould, and the top of mould is provided with charging aperture, and charging aperture is communicated with the center at the top of dies cavity.The structure of this utility model enters after mould aluminium water, from centre, to both sides, spread, the circuit on aluminium current direction both sides can be a half than the circuit that originally flows to another side from front, thereby subtract the production time being a half, production speed is doubled, and in the situation that guaranteeing product quality, has improved production efficiency, make in the situation that using original die casting equipment and personnel, the production capacity of product is doubled.
But above-mentioned design does not fundamentally solve the problem of Bubble formation, and flow velocity is subject to certain restrictions, and do not solve the problem of product when the demoulding.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of reasonable exhaust structure that has for the above-mentioned state of the art, and can make the motor end cap die casting of the smooth demoulding of product.
For achieving the above object, the utility model provides following technical scheme: a kind of motor end cap die casting, comprise die ontology, die ontology comprises cover half and the dynamic model that can be separated from each other or fasten, described cover half and dynamic model form die joint when closure state, on described cover half, be provided with die cavity, on described dynamic model, be fixed with core, on described die ontology, also include ejector pin retaining plate and push rod, described ejector pin retaining plate is arranged on dynamic model part, described push rod one end is fixed in ejector pin retaining plate, the other end is located in core, on described die ontology, be also provided with mould emptier, on described die cavity, offer air discharge duct, between described push rod and core, be provided with exhaust clearance, described mould emptier is secondary mould emptier.
Adopt the motor end cap die casting of this structure, can make the exhausting problem of mould effectively be solved, and can help the smooth demoulding of mould, reduced the defect producing because of the demoulding.
As concrete technical scheme of the present utility model, described air discharge duct is arranged on die joint place.
If the reason that air discharge duct is arranged near die joint place is to produce overlap near on die joint because establishing air discharge duct, in the time of easily with product stripping, deviate from.
Further, described air discharge duct is coniform, and described coniform air discharge duct tip is connected with die cavity inwall, and the other end is connected with the die ontology external world.
Further, described air discharge duct quantity is at least four and be circle distribution in described die cavity.
If the air in die cavity is got rid of not in time, therefore be easy on product, form the defects such as bubble, cause off qualityly, one group of air discharge duct is set separately at die cavity place, because of the circle that is shaped as of motor end cap, so being circle distribution, air discharge duct can help very equably mold cavity exhaust again.
As concrete technical scheme of the present utility model, on described push rod, be provided with exhaust groove.
Area comparison due to motor end cap, distance is long, distant from above-mentioned air discharge duct near middle position, inconvenience exhaust, therefore can arrange exhaust groove at push rod place, utilizes the gap exhaust of core and push rod, very convenient, in addition, described exhaust groove shape can be semicircle, rectangle etc., as long as rationally.
Further, described exhaust groove quantity is at least three and be evenly distributed on push rod.
Employing is uniformly distributed and can evenly effectively helps Exhaust Gas.
Compared with prior art, the utility model has the advantage of: exhaust apparatus is set separately on die cavity, has effectively reduced in die molding process because of the defect of Bubble formation, improved the quality of product, safe and reliable.And on push rod, added exhaust groove, and utilize the interstitial row of core and push rod groove except gas, in addition, this mould has adopted secondary ejecting mechanism, more safe and reliable in the process of releasing.
Accompanying drawing explanation
Fig. 1 is motor end cap structure of cast die schematic diagram in the utility model embodiment;
Fig. 2 is push rod longitdinal cross-section diagram in the utility model embodiment;
Fig. 3 is push rod shaft cross-sectional view in the utility model embodiment;
Fig. 4 is motor end cap die casting perspective view in the utility model embodiment.
Reference numeral: 1, die cavity; 2, core; 3, push rod; 4, air discharge duct; 5, exhaust groove; 6, ejector pin retaining plate; 7, push pedal; 8, die ontology; 9, die joint.
The specific embodiment
Below in conjunction with accompanying drawing embodiment, blossom type forging steel ball valve of the present utility model is described in further detail.
Consult motor end cap structure of cast die schematic diagram in the utility model shown in Fig. 1, comprise die ontology 8, core 2, die cavity 1, push rod 3, described core 2 forms die joint 9 with die cavity 1 laminating, described push rod 3 is located in core 2, described die cavity 1 is annular die cavity, on described die cavity 1, be provided with separately gas extraction system, wherein, described gas extraction system consists of a plurality of air discharge ducts 4, described air discharge duct 4 is circle distribution and is fitted in die joint 9 places, it is suitable that the distance that separates profile 9 needs only, not restriction, described air discharge duct 4 is designed to cone shape, one end is most advanced and sophisticated, can make air-flow get rid of and make motlten metal not stop up air discharge duct 4 by overflowing herein, an other end section is communicated with slightly greatly and with die ontology 8 is extraneous, make the gas can very smooth and easy discharge, these air discharge duct 4 quantity must not be less than four simultaneously, quantity does not reach the object of exhaust very little, when capacity is large, can set up air discharge duct 4 quantity or width, but avoid increase thickness, to prevent that molten metal from stopping up or outwards splash, and each air discharge duct 4 should not be communicated with each other.
As shown in Figure 2, described push rod 3 is fixed on ejector pin retaining plate 6, is provided with some exhaust grooves 5 on push rod, as shown in Figure 3, described exhaust groove 5 cross sectional shapes are semicircle, also can be other shape, and described push rod 3 is fitted and formed the gap of an exhaust with core 2.Described exhaust groove 5 quantity are at least three and be uniformly distributed.By the use of this structure push rod 3, can make mould inside gas get rid of along the air discharge duct 4 on push rod 3, thus can the solution problem that marginal portion gas is difficult to discharge by no means.
Consult motor end cap die casting perspective view in the utility model shown in Fig. 4, the mould emptier that this mould adopts is secondary mould emptier.After die sinking, the ejecting device of die casting machine promotes ejector pin retaining plate 6 by push pedal 7 and drives push rod 3, product and core 2 are departed from, realize and to release for the first time action, but because now slide block and push rod 3 also exist plane contact, push rod 3 keeps and cavity plate is synchronized with the movement, once once release and finish, cavity plate stop motion, push rod 3 continues motion, until realize for the second time, releases.
Use this mould constantly, utilize the existence of air discharge duct 4 to carry out exhaust, avoid cracking the defects such as crack, and rationally utilize secondary ejecting mechanism to make the smooth demoulding of product, guarantee the quality of motor end cap.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a motor end cap die casting, comprise die ontology, die ontology comprises cover half and the dynamic model that can be separated from each other or fasten, described cover half and dynamic model form die joint when closure state, on described cover half, be provided with die cavity, on described dynamic model, be fixed with core, on described die ontology, also include ejector pin retaining plate and push rod, described ejector pin retaining plate is arranged on dynamic model part, described push rod one end is fixed in ejector pin retaining plate, the other end is located in core, on described die ontology, be also provided with mould emptier, it is characterized in that: on described die cavity, offer air discharge duct, between described push rod and core, be provided with exhaust clearance, described mould emptier is secondary mould emptier.
2. motor end cap die casting according to claim 1, is characterized in that: described air discharge duct is arranged on die joint place.
3. motor end cap die casting according to claim 2, is characterized in that: described air discharge duct is coniform, and described coniform air discharge duct tip is connected with die cavity inwall, and the other end is connected with the die ontology external world.
4. motor end cap die casting according to claim 3, is characterized in that: described air discharge duct quantity is at least four and be circle distribution in described die cavity.
5. motor end cap die casting according to claim 1, is characterized in that: on described push rod, be provided with exhaust groove.
6. motor end cap die casting according to claim 5, is characterized in that: described exhaust groove quantity is at least three and be evenly distributed in push rod shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420105847.1U CN203751305U (en) | 2014-03-10 | 2014-03-10 | Die-casting die for motor end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420105847.1U CN203751305U (en) | 2014-03-10 | 2014-03-10 | Die-casting die for motor end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203751305U true CN203751305U (en) | 2014-08-06 |
Family
ID=51246616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420105847.1U Expired - Fee Related CN203751305U (en) | 2014-03-10 | 2014-03-10 | Die-casting die for motor end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203751305U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618706A (en) * | 2015-11-25 | 2016-06-01 | 宁波君灵模具技术有限公司 | Core-pulling sliding block for die-casting mold |
| CN107350451A (en) * | 2017-08-23 | 2017-11-17 | 吴江市液铸液压件铸造有限公司 | A kind of good gear box casing die casting of ventilatory effect |
| CN107877792A (en) * | 2017-12-07 | 2018-04-06 | 浙江凯华模具有限公司 | Fretting map exhaust structure of injection mold |
| CN109796122A (en) * | 2019-03-20 | 2019-05-24 | 安徽古井贡酒股份有限公司 | A kind of glass bottle and jar molding die |
| CN112676548A (en) * | 2020-12-18 | 2021-04-20 | 苏州广型模具有限公司 | Lightweight motor casing die casting die |
| CN113245525A (en) * | 2021-07-07 | 2021-08-13 | 南通科美自动化科技有限公司 | High-exhaust type die-casting die for integrated lamp shell |
| CN115351261A (en) * | 2022-08-26 | 2022-11-18 | 宁波博大机械有限公司 | Die casting die of integral type fan rotor |
-
2014
- 2014-03-10 CN CN201420105847.1U patent/CN203751305U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618706A (en) * | 2015-11-25 | 2016-06-01 | 宁波君灵模具技术有限公司 | Core-pulling sliding block for die-casting mold |
| CN105618706B (en) * | 2015-11-25 | 2018-02-27 | 宁波润姚机械有限公司 | Die casting mold core sliding block |
| CN107350451A (en) * | 2017-08-23 | 2017-11-17 | 吴江市液铸液压件铸造有限公司 | A kind of good gear box casing die casting of ventilatory effect |
| CN107877792A (en) * | 2017-12-07 | 2018-04-06 | 浙江凯华模具有限公司 | Fretting map exhaust structure of injection mold |
| CN109796122A (en) * | 2019-03-20 | 2019-05-24 | 安徽古井贡酒股份有限公司 | A kind of glass bottle and jar molding die |
| CN112676548A (en) * | 2020-12-18 | 2021-04-20 | 苏州广型模具有限公司 | Lightweight motor casing die casting die |
| CN112676548B (en) * | 2020-12-18 | 2022-05-20 | 苏州广型模具有限公司 | Lightweight motor casing die casting die |
| CN113245525A (en) * | 2021-07-07 | 2021-08-13 | 南通科美自动化科技有限公司 | High-exhaust type die-casting die for integrated lamp shell |
| CN113245525B (en) * | 2021-07-07 | 2021-09-07 | 南通科美自动化科技有限公司 | High-exhaust type die-casting die for integrated lamp shell |
| CN115351261A (en) * | 2022-08-26 | 2022-11-18 | 宁波博大机械有限公司 | Die casting die of integral type fan rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20160310 |