CN105562653A - Casting mold for processing circular arc surface protrusions - Google Patents
Casting mold for processing circular arc surface protrusions Download PDFInfo
- Publication number
- CN105562653A CN105562653A CN201510948460.1A CN201510948460A CN105562653A CN 105562653 A CN105562653 A CN 105562653A CN 201510948460 A CN201510948460 A CN 201510948460A CN 105562653 A CN105562653 A CN 105562653A
- Authority
- CN
- China
- Prior art keywords
- core
- cover half
- dynamic model
- mould
- moving
- 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.)
- Pending
Links
- 238000005266 casting Methods 0.000 title claims abstract description 21
- 239000003818 cinder Substances 0.000 claims abstract description 32
- 238000003754 machining Methods 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000004512 die casting Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a casting mold for processing circular arc surface protrusions. A fixed mold core is provided with a fixed mold cavity which is a recessed arc surface groove; a moving mold core is provided with a moving mold cavity matched with the fixed mold cavity; the moving mold cavity is a circular plane groove; a cylindrical pin is arranged at the center of the moving mold cavity; three cinder ladles which are distributed in a sector shape are arranged at positions, which are positioned at the outer side of the moving mold cavity, in the moving mold core; the three cinder ladles which are distributed in the sector shape are symmetrically distributed along a center line of the moving mold core; an included angle of 35 to 50 degrees is formed between two center lines of every two cinder ladles; exhaust grooves communicating with the cinder ladles are formed in the moving mold core; and cinder ladles matched with the cinder ladles in the moving mold core are arranged in the fixed mold core. The three cinder ladles which are symmetrically distributed along the center line of the moving mold core are arranged at the outer side of the moving mold cavity, and the exhaust grooves are formed in the moving mold core and communicate with the cinder ladles; and by using the exhaust grooves and the cinder ladles, higher effectiveness in exhausting is realized, air holes of products are reduced, and the quality of the products is improved.
Description
Technical field
The present invention relates to mould applications, be specifically related to the casting die of a kind of Machining Arc face projection.
Background technology
Casting is the conventional processing method of metal parts, is particularly useful for making complex-shaped part blank.During manufacture, liquid metal is poured in the cavity of casting mold, to be cooled solidify after can obtain solid-state foundry goods.The quality of casting mold to foundry goods has a significant impact, when especially adopting sub-module design, with die joint in casting mold, easy generation mould shift defect, if foundry goods is also with pore structure, then more easily produces the deviation of shape and size, affect the form accuracy of casting mold, thus have influence on the quality of foundry goods.Be at most adopt guide pillars and bushes to position usually in prior art, its positioning precision is not high, and therefore casting accuracy is not high, especially easily causes percent defective high when making some high-precision meticulous goods.
The die casting of application number a kind of replaceable core rod that has been the disclosure of the invention of CN201220611624.3, comprise patrix pin, counterdie pin, dynamic model frame, cover half frame and ejecting mechanism, described dynamic model frame is provided with dynamic model charging insert and moving-mould-core, described cover half frame is provided with cover half charging insert and cover half core, described moving-mould-core and cover half core are provided with slide block, described slide block is fixed on take-up housing, and described moving-mould-core and described dynamic model frame, described cover half core and described cover half frame are respectively and removably connect.
The mould of application number a kind of sleeve for having side opening that has been the disclosure of the invention of CN201120079863.4, comprise cover half frame, dynamic model frame, mould pin, upper ejector plate, lower liftout plate and support column, respectively there is a cavity bottom surface of cover half frame and dynamic model frame, the cavity of cover half frame and the cavity of dynamic model frame is aligned with each other pieces together a casting mold cavity completed, a mould pin is each side provided with below dynamic model frame, upper ejector plate and lower liftout plate is provided with from top to bottom successively between two mould pin, a support column is established at middle part below dynamic model frame, support column is positioned at the outside of upper ejector plate and lower liftout plate, it is characterized in that: also comprise guide pillar, guide pin bushing, spreader, barrel, sleeve, cover half core, moving-mould-core, thimble, top plate guide post, top plate guide bushing, taper pin, slide block, take-up housing, latch segment, brake pad, press strip and slide block block, cover half core is embedded in the cavity of cover half frame bottom surface, moving-mould-core is embedded in the cavity of dynamic model frame bottom surface, the bottom surface of cover half core and the bottom surface of moving-mould-core aligned with each other, the bottom surface of cover half frame is provided with guide pillar, guide pillar is positioned at the side of cover half core, one end of guide pillar to be inserted in cover half frame and is fixed by screws on cover half frame, the bottom surface of dynamic model frame is provided with guide pin bushing, guide pin bushing is positioned at the side of moving-mould-core, guide pin bushing insertion dynamic model frame is interior and the underrun screw of guide pin bushing is fixed on dynamic model frame, the other end of guide pillar inserts in guide pin bushing, the opposite side of cover half core is provided with barrel, barrel overcoat has sleeve, the opening at barrel two ends is located on two end faces of cover half frame respectively, an opening part of barrel is provided with spreader, passage and the casting mold cavity of barrel opening and spreader formation are through, one end of thimble is fixed on upper ejector plate, the other end of thimble withstands on moving-mould-core, outside top plate guide post one end, cover has top plate guide bushing and is screwed on lower liftout plate, the other end of top plate guide post is through in the blind hole snapped in after upper ejector plate on dynamic model frame end face, the two ends of cover half frame and dynamic model frame all have pin hole, the pin hole of cover half frame and the pin hole of dynamic model frame aligned with each other, cover half frame is connected with dynamic model frame with the pin hole of dynamic model frame through the pin hole of cover half frame by taper pin successively, after cover half core and moving-mould-core split, the two ends in split face are respectively equipped with slide block, the opposite side of slide block is provided with take-up housing, the cross section of take-up housing is stairstepping, the inclined-plane of take-up housing next stage step presses latch segment, the top of take-up housing is lined with brake pad, the top of brake pad is provided with press strip, the side of brake pad is provided with slide block block.
Summary of the invention
The object of this invention is to provide a kind of closing precision high, the casting die of the Machining Arc face projection that casting quality is good.
In order to realize this purpose, technical scheme of the present invention is as follows: the casting die of a kind of Machining Arc face projection, comprise cover half frame, cover half core, dynamic model frame and moving-mould-core, it is characterized in that described cover half frame is provided with guide pin bushing, dynamic model frame is provided with the guide pillar matched with described guide pin bushing, cover half core is provided with fine positioning groove, moving-mould-core is provided with the fine positioning projection matched with described fine positioning groove, cover half frame side is provided with sprue bush, the relevant position of dynamic model frame is provided with shunting, cover half core is provided with cover half die cavity, described cover half die cavity is the circular arch groove of an indent, the side of described arch groove arranges the first indent platform be connected with this circular arch groove described, first indent platform is arranged several oblique projections, moving-mould-core is provided with the dynamic model die cavity matched with cover half die cavity, described dynamic model die cavity is the circular flat groove matched with described arch groove, the side of circular flat groove arranges the second indent platform coordinated with the first indent platform, the center of described dynamic model die cavity is provided with a cylindrical peg, by funnelform flow passage between shunting and dynamic model die cavity, the position be positioned in moving-mould-core outside dynamic model die cavity is provided with a cinder ladle being fan-shaped distribution, the described individual cinder ladle in fan-shaped distribution is symmetric along the center line of moving-mould-core, 35 ~ 50 ° of angles are then formed between the center line of adjacent two cinder ladles, moving-mould-core is provided with the air discharge duct be communicated with cinder ladle, cover half in-core is provided with the cinder ladle matched with moving-mould-core cinder ladle.
Liquid metal enters in dynamic model die cavity between moving-mould-core and cover half core and cover half die cavity by sprue bush and shunting subflow, form required foundry goods, the wherein circular arch groove of indent of cover half die cavity and the circular flat fit depressions of described dynamic model die cavity, form the foundry goods with arc surface projection, the first indent platform and the second indent platform coordinate the platform being formed and be connected with described arc surface projection.Dynamic model frame and cover half frame, by guide pillars and bushes guide-localization, are accurately located by fine positioning groove and fine positioning projection between cover half core and moving-mould-core simultaneously, are made the product size precision of die casting higher.The invention has the advantages that closing precision is high, casting quality is good, is suitable for the product of cast structure complexity.
Accompanying drawing explanation
Fig. 1 is the structural representation of cover half frame and cover half core.
Fig. 2 is the structural representation of dynamic model frame and moving-mould-core.
Detailed description of the invention
According to Figure of description and specific embodiment, the present invention is further elaborated below.
In figure, 1 is guide pin bushing, and 2 is cover half core, and 3 is cover half frame, and 4 is sprue bush, 5 is shunting, and 6 is runner, and 7 is cylindrical peg, and 8 is fine positioning projection, 9 is cinder ladle, and 10 is guide pillar, and 11 is dynamic model frame, 12 is moving-mould-core, and 13 is thimble, and 14 is bumping post, 15 is cooling water channel, and 16 is fine positioning groove, and 17 is cover half die cavity, 18 is dynamic model die cavity, and 19 is air discharge duct, and 20 is oblique projection.
The casting die of a kind of Machining Arc face projection, comprise cover half frame 3, cover half core 2, dynamic model frame 11 and moving-mould-core 12, it is characterized in that described cover half frame 3 is provided with guide pin bushing 1, dynamic model frame 11 is provided with the guide pillar 10 matched with described guide pin bushing 1, cover half core 2 is provided with fine positioning groove 16, moving-mould-core 12 is provided with the fine positioning projection 8 matched with described fine positioning groove 16, cover half frame 3 side is provided with sprue bush 4, the relevant position of dynamic model frame 11 is provided with shunting 5, cover half core 2 is provided with cover half die cavity 17, described cover half die cavity 17 is the bowl-type arch groove of an indent, the side of described bowl-type arch groove arranges the first indent platform be connected with this bowl-type arch groove described, first indent platform is arranged several oblique protruding 20, moving-mould-core 12 is provided with the dynamic model die cavity 18 matched with cover half die cavity 17, described dynamic model die cavity 18 is the circular flat groove matched with described bowl-type arch groove, the cross section of described circular flat groove is circular, bottom surface is plane, the side of circular flat groove arranges the second indent platform coordinated with the first indent platform, the center of described dynamic model die cavity 18 is provided with a cylindrical peg 7, be communicated with by funnelform runner 6 between shunting 5 and dynamic model die cavity 18, the position be positioned in moving-mould-core 12 outside dynamic model die cavity 18 is provided with 3 cinder ladles 9 in fan-shaped distribution, described 3 cinder ladles in fan-shaped distribution are symmetric along the center line of moving-mould-core, the center line of described 3 cinder ladles intersects at the center of moving-mould-core, 35 ~ 50 ° of angles are then formed between the center line of adjacent two cinder ladles 9, moving-mould-core is provided with the air discharge duct be communicated with cinder ladle, the cinder ladle matched with moving-mould-core cinder ladle 9 is provided with in cover half core 2.
Aluminium liquid flows in dynamic model die cavity 18 and cover half die cavity 17 from runner, and form a columniform interior pellet, the center of dynamic model die cavity 18 is provided with a cylindrical peg 7, for the formation of a cylindrical hole.
According to a particular embodiment of the invention, described cover half frame and dynamic model frame are quadrilateral structure, cloth is divided equally at four angles of described dynamic model frame and is provided with a guide pillar 10, described guide pillar 10 is arranged to lopsidedness, 75 ~ 80 ° of angles are formed between the center line of guide pillar and the upper surface of dynamic model frame, similarly, guide pin bushing is also corresponding being arranged on obliquely on four angles of cover half frame.
According to a particular embodiment of the invention, described cover half core and moving-mould-core are quadrilateral structure, and described fine positioning groove 16 and fine positioning projection 8 are separately positioned on four angles of cover half core and moving-mould-core.
Runner design funnel, can increase pressure and make aluminium liquid filling die cavity within very short time, cast out high-quality product.The side of described runner is also provided with air discharge duct, and first the gas entering runner can discharge from described air discharge duct, to reduce the gas entered in dynamic model die cavity and cover half die cavity.3 cinder ladles 9 that the arranged outside of dynamic model die cavity has the center line along moving-mould-core to be symmetric, moving-mould-core 12 is provided with air discharge duct 19, and described air discharge duct 19 is communicated with cinder ladle 9, and air discharge duct and cinder ladle make exhaust more effective, reduce product air holes, improve the quality of products.Thimble 13 is also provided with, for ejecting product after die sinking in dynamic model die cavity.Dynamic model frame bottom is provided with mould pin, and for being fixed on die casting machine, support module, the side of mould pin is provided with bumping post 14, and bumping post is arranged on mould placed side, protection water pipe.Also being provided with cooling water channel 4 in dynamic model frame, for controlling mold temperature, extending die life.Also can establish release link in moving-mould-core 10, allow ejecting mechanism reset in advance, be unlikely to mold cores of damaging.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that the present invention specifically implements to be confined to these explanations above-mentioned.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (4)
1. a casting die for Machining Arc face projection, comprises cover half frame, cover half core, dynamic model frame and moving-mould-core, it is characterized in that
Described cover half frame is provided with guide pin bushing, and dynamic model frame is provided with the guide pillar matched with described guide pin bushing, and cover half core is provided with fine positioning groove, and moving-mould-core is provided with the fine positioning projection matched with described fine positioning groove;
Cover half frame side is provided with sprue bush, and the relevant position of dynamic model frame is provided with shunting;
Cover half core is provided with cover half die cavity, and described cover half die cavity is the circular arch groove of an indent, and the side of described circular arch groove arranges the first indent platform be connected with this circular arch groove, the first indent platform is arranged several oblique projections;
Moving-mould-core is provided with the dynamic model die cavity matched with cover half die cavity, described dynamic model die cavity is the circular flat groove matched with described arch groove, the side of circular flat groove arranges the second indent platform coordinated with the first indent platform, the center of described dynamic model die cavity is provided with a cylindrical peg, by funnelform flow passage between shunting and dynamic model die cavity;
The position be positioned in moving-mould-core outside dynamic model die cavity is provided with a cinder ladle being fan-shaped distribution, the described individual cinder ladle in fan-shaped distribution is symmetric along the center line of moving-mould-core, 35 ~ 50 ° of angles are then formed between the center line of adjacent two cinder ladles, moving-mould-core is provided with the air discharge duct be communicated with cinder ladle, and cover half in-core is provided with the cinder ladle matched with moving-mould-core cinder ladle.
2. the casting die of a kind of Machining Arc face as claimed in claim 1 projection, is characterized in that also being provided with thimble in dynamic model die cavity.
3. the casting die of a kind of Machining Arc face as claimed in claim 1 projection, it is characterized in that: dynamic model frame bottom is provided with mould pin, the side of mould pin is provided with bumping post.
4. the casting die of a kind of Machining Arc face as claimed in claim 1 projection, is characterized in that: be also provided with cooling water channel in dynamic model frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948460.1A CN105562653A (en) | 2015-12-17 | 2015-12-17 | Casting mold for processing circular arc surface protrusions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948460.1A CN105562653A (en) | 2015-12-17 | 2015-12-17 | Casting mold for processing circular arc surface protrusions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105562653A true CN105562653A (en) | 2016-05-11 |
Family
ID=55873589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510948460.1A Pending CN105562653A (en) | 2015-12-17 | 2015-12-17 | Casting mold for processing circular arc surface protrusions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105562653A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108421963A (en) * | 2018-05-10 | 2018-08-21 | 广州市型腔模具制造有限公司 | Can fine positioning type cavity mould |
| CN116423773A (en) * | 2023-04-10 | 2023-07-14 | 宁波环亚机械制造有限公司 | Steering tube forming die |
-
2015
- 2015-12-17 CN CN201510948460.1A patent/CN105562653A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108421963A (en) * | 2018-05-10 | 2018-08-21 | 广州市型腔模具制造有限公司 | Can fine positioning type cavity mould |
| CN108421963B (en) * | 2018-05-10 | 2024-03-19 | 广州市型腔模具制造有限公司 | Cavity mold capable of being precisely positioned |
| CN116423773A (en) * | 2023-04-10 | 2023-07-14 | 宁波环亚机械制造有限公司 | Steering tube forming die |
| CN116423773B (en) * | 2023-04-10 | 2023-10-27 | 宁波环亚机械制造有限公司 | Steering tube forming die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160511 |
|
| WD01 | Invention patent application deemed withdrawn after publication |