CN206527327U - Die casting - Google Patents
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- CN206527327U CN206527327U CN201720034269.0U CN201720034269U CN206527327U CN 206527327 U CN206527327 U CN 206527327U CN 201720034269 U CN201720034269 U CN 201720034269U CN 206527327 U CN206527327 U CN 206527327U
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- lower template
- mold core
- oblique top
- cope plate
- plate
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Abstract
The utility model discloses a kind of die casting, including cope plate, lower template, upper mold core, lower mold core, oblique top, backing plate, bottom needle plate and thimble；Upper mold core is installed on cope plate, and lower mold core and oblique top are installed on lower template；Oblique top first end is fixedly connected with backing plate, backing plate is fixedly connected with bottom needle plate away from lower template side, thimble first end is installed on backing plate and fixed by bottom needle plate, the end of thimble second sequentially passes through lower template and lower mold core, and its end face and the outer surface of upper mold core, lower mold core and the second end of oblique top shaped article；After cope plate and lower template matched moulds, the second end of thimble end face, the end of oblique top second, upper mold core and lower mold core the first cavity of formation, the back-off position of the oblique top shaped article in the first cavity；After to the first cavity filling material shaped article, cope plate and lower template point mould, the lateral synchronous parting of oblique top, thimble action promote shaping product stripping.Manufacture finished product is low, is not required to the back-off position secondary operation to product, improves operating efficiency.
Description
Technical field
The utility model is related to the technical field of mould, especially relates to a kind of die casting.
Background technology
Die casting is a kind of method for casting liquid forging, and die casting is a kind of work completed on die casting die forging machine
Skill.During die casting, molten metal is first filled in the die cavity (pressure chamber cavity) for the die casting that type enters on die casting die forging machine, with molten metal
Cooling procedure pressurization forging, is improved the mechanical performance of metal blank, obtains die casting product.
Existing die casting, due to the back-off structure of product, when designing mould, the phenomenon of back-off can make mould de- not
The semi-finished product that can be stripped are made at mould, therefore back-off, after the demoulding, recycle the programming of CNC fixtures to mill out the back-off structure of product,
Draw finished product.Because shaped article needs secondary operation, increase process, while also increasing cost, reduce efficiency, it is therefore proposed that
One kind is not required to secondary operation, reduces the die casting of cost.
Utility model content
Main purpose of the present utility model reduces cost to provide one kind, improves the die casting of operating efficiency.
In order to achieve the above object, the utility model proposes following technical scheme：
A kind of die casting, cope plate, lower template, upper mold core, lower mold core, oblique top, backing plate, bottom needle plate and thimble；
The upper mold core is installed on the cope plate, and the lower mold core and oblique top are installed on the lower template；The oblique top
First end is fixedly connected with the backing plate, and the backing plate is fixedly connected with the bottom needle plate, the top away from the lower template side
Pin first end is installed on the backing plate and fixed by the bottom needle plate, and the end of thimble second sequentially passes through the lower template
And lower mold core, and its end face and the outer surface of the upper mold core, lower mold core and the second end of oblique top shaped article；
After the cope plate and lower template matched moulds, second end of thimble end face, the end of oblique top second, upper mold core and lower mould
First cavity of core formation cast article, the back-off position of the oblique top shaped article in the first cavity；
The back-off position is located at the both sides of shaped article, and the oblique top is provided with two, is respectively arranged in first chamber
The both sides of internal shaped article back-off position；
After to the first cavity filling material shaped article, the cope plate and lower template point mould, the oblique top are laterally same
Parting is walked, the thimble action promotes shaping product stripping.
Further, above-mentioned die casting includes fixed seat, and the oblique top first end is fixedly connected with the fixed seat, institute
Fixed seat is stated to be fixedly installed on the backing plate.
Further, above-mentioned cope plate is provided with first row air parcel, and the lower template is provided with second row air parcel, described
One exhaust block, second row air parcel are arranged at the side of the first cavity of shaping and corresponded to up and down；
When the cope plate and lower template matched moulds, first row air parcel and the formation of second row air parcel can be vented the second chamber of body
Body, during to the first cavity filling material, the air in the first cavity can flow to second cavity；
After formed product, the cope plate drives the first row air parcel to drive second row air parcel point with the lower template
Mould, the first row air parcel and second row air parcel are separated.
Further, die casting also includes knock-pin, and the knock-pin first end is installed on the backing plate and passed through
The bottom needle plate is fixed, and the end of knock-pin second sequentially passes through the lower template and second row air parcel, and its end face with it is described
The face fairing of second row air parcel towards first row air parcel is tangent；
When the cope plate and the lower template point mould, the knock-pin top makes described first to the first row air parcel
Exhaust block and the separation of second row air parcel.
Further, above-mentioned die casting includes guide pillars and bushes, when the cope plate and lower template matched moulds, the guide pillar
Pierce into the guide pin bushing, make the cope plate and the accurate matched moulds of lower template；
When the cope plate and lower template point mould, the guide pillar is separated with the guide pin bushing.
Further, above-mentioned die casting is after the oblique top lateral synchronous parting, the horizontal core pulling distance of the oblique top
Depth 2mm lateral more than or equal to shaped article.
Further, in addition to return mechanism, after the thimble ejecting product, the return mechanism by the thimble and
The pitched roof mechanism homing.
Further, the return mechanism includes spring and push back pin, and the push back pin is mounted on the backing plate,
The spring is set on the push back pin, and positioned at side of the lower template away from the cope plate and the backing plate it
Between.
Further, the upper mold core sets fluted, and the lower mold core is provided with the boss for adapting to the groove；
When the cope plate and the lower template matched moulds, the groove and boss adaptation.
Further, the cope plate is provided with sprue bushing, and the lower template is provided with spreader corresponding with the sprue bushing；
When the cope plate and the lower template matched moulds, the sprue bushing and the spreader support cooperation, shaping raw material from
The sprue bushing flows to first cavity along the spreader；
After the cope plate and the lower template point mould, the sprue bushing is separated with the spreader.
Die casting of the present utility model, by oblique top undercut, the demoulding of thimble ejecting product, and is vented by setting
Block excludes air in the cavity of shaped article, improves the yield rate of product, and manufacture finished product is low, it is not necessary to the back-off of shaped article
Secondary operation is carried out, manufacturing procedure is reduced, operating efficiency is improved.
Brief description of the drawings
Fig. 1 is the shaped article schematic diagram of the utility model die casting；
Fig. 2 is the structural representation of the die casting lower template of the preferred embodiment of the utility model one；
Fig. 3 is the structural representation of the die casting cope plate of the preferred embodiment of the utility model one；
Fig. 4 is the structural representation of the die casting of the preferred embodiment of the utility model one.
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that specific embodiment described herein is not used to limit this only to explain the utility model
Utility model.
It is herein part institute serialization number itself, such as " first ", " second ", is only used for the object described by distinguishing,
Without any order or art-recognized meanings.And " connection " described in the application, unless otherwise instructed, including directly or indirectly connecting
Connect.
Shown in reference picture 1-4, a kind of die casting of the embodiment of the utility model one, including cope plate 1, lower template are proposed
9th, upper mold core 2, lower mold core 8, oblique top 7, backing plate 15, bottom needle plate 16 and thimble 18；Upper mold core 2 is installed on cope plate 1, lower mold core 8
Lower template 8 is installed on oblique top 7；The first end of oblique top 7 is fixedly connected with backing plate 15, and backing plate 15 is fixed away from the side of lower template 9 to be connected
Bottom needle plate 16 is connect, the first end of thimble 18 is installed on backing plate 15 and fixed by bottom needle plate 16, and the end of thimble 18 second is sequentially passed through
Lower template 9 and lower mold core 8, and its end face and the outer surface of upper mold core 2, lower mold core 8 and the shaped article 20 of oblique top 7；When cope plate 1
After the matched moulds of lower template 9, the end end face of thimble 18 second, the end of oblique top 7 second, upper mold core 2 and the formation cast article 20 of lower mold core 8
First cavity, the back-off position of the shaped article 20 of oblique top 7 in the first cavity；Back-off position 21 is located at the two of shaped article 20
Side, oblique top 7 is provided with two, is respectively arranged in the both sides of the back-off of shaped article 20 position 21 in the first cavity；When to the first cavity
After filling material shaped article 20,9 points of moulds of cope plate 1 and lower template, the lateral synchronous parting of oblique top 7, the action of thimble 18 is pushed into
Type product 20 is stripped.
In the present embodiment, upper mold core 2 is removably mounted to cope plate 1, and lower mold core 8 is removably mounted to lower template 9, and
Core rod is respectively mounted by screw up and down is fixed on bolster, in addition to fixed seat 22, and the first end of oblique top 7 is consolidated with fixed seat 22
Fixed connection, fixed seat 22 is fixedly installed on backing plate 15.Oblique top 7 is fixed on backing plate 15 by fixed seat 22, and cope plate 1 is with
After the matched moulds of template 9, the end end face of thimble 18 second, upper mold core 2, lower mold core 8 and the first cavity of formation of oblique top 7, shaping raw material is to the
One cavity is filled, after product 20 is molded, 9 points of moulds of cope plate 1 and lower template, and the lateral synchronous parting of oblique top 7, the action of thimble 18 is pushed away
Dynamic shaped article 20 is stripped, you can obtain required shaped article 20.The back-off of product 20 position 21 after shaping need not enter line number
The processing of lathe is controlled, the operating efficiency of manufacture product is improved, saves artificial, reduces cost.
In the present embodiment, cope plate 1 is provided with first row air parcel 5, and lower template 9 is provided with second row air parcel 6, first row
Air parcel 5, second row air parcel 6 are arranged at the side of the first cavity of shaping and corresponded to up and down；When cope plate 1 and the matched moulds of lower template 9,
One exhaust block 5 and the formation of second row air parcel 6 can be vented the second cavity of body, during to the first cavity filling molding raw material, the first chamber
Internal air can flow to the second cavity；Behind shaped article 20, cope plate 1 drives 5 pieces of first row air parcel to be driven with lower template 9
6 points of moulds of second row air parcel, first row air parcel 5 is separated with second row air parcel 6.In the present embodiment, in addition to knock-pin 19, ejection
The first end of bar 19 is installed on backing plate 15 and fixed by bottom needle plate 16；The end of knock-pin 19 second sequentially passes through lower template 9 and
Two exhaust blocks 6, and the face fairing of its end face and second row air parcel 6 towards first row air parcel 5 is tangent；When cope plate 1 and lower template 9
Divide mould, knock-pin 19 is pushed up to first row air parcel 5, separates first row air parcel 5 and second row air parcel 6.The He of first row air parcel 5 is set
Second row air parcel 6, after 9 matched moulds of cope plate 1 and lower template, the air that moulding material is filled in the first cavity, the first cavity can
The second cavity is flowed into, the product 20 of shaping is reduced the factor of the influence properties of product such as bubble, improves the qualification rate of product 20.By
It is metal in the material of die-cast product, in the present embodiment, is filled using aluminium liquid, when the chamber of air flow second in the first cavity
Body, in the case of HTHP, aluminium liquid will also flow into the second cavity, when first row air parcel 5 and second row air parcel 6 are separated, then
Need larger separating force to separate first row air parcel 5 and second row air parcel 6, knock-pin 19 is set here, pass through ejection
Bar 19 is pushed up to first row air parcel 5, more easily can be separated first row air parcel 5 with second row air parcel 6, while being easier to take out the
Die casting aluminium flake (waste material) in two cavitys.
In the present embodiment, above-mentioned die casting also includes guide pillar 11 and guide pin bushing 4, when cope plate 1 and the matched moulds of lower template 9,
Guide pillar 11 is pierced into guide pin bushing 4, makes cope plate 1 and the accurate matched moulds of lower template 9；When 9 points of moulds of cope plate 1 and lower template, guide pillar 11 with
Guide pin bushing 4 is separated.Wherein guide pillar 11 is fixedly installed in lower template 9, and guide pin bushing 4 is fixedly installed in cope plate 1, when cope plate 1 and lower mould
During 9 matched moulds of plate, by the cooperation of guide pillar 11 and guide pin bushing 4, guide pillar 11 is pierced into guide pin bushing 4, cope plate 1 and lower template 9 is accurately closed
Mould, it is ensured that the closing precision of die casting；When 9 points of moulds of cope plate 1 and lower template, guide pillar 11 is away from guide pin bushing 4, to take out
The product 20 needed.In another embodiment, guide pillar 11 can be mounted on cope plate, and guide pin bushing is fixedly installed in cope plate, and leads
Working in coordination for post and guide pin bushing, makes cope plate and the accurate matched moulds of lower template, it is ensured that the closing precision of die casting.
In the present embodiment, after above-mentioned oblique top 7 lateral synchronous parting, the horizontal core pulling distance of oblique top 7 is more than or equal to
The lateral depth 2mm of shaped article 20.In the present embodiment, filled using aluminium liquid into the first cavity, after product 20 is molded, oblique top 7
Horizontal core pulling distance be equal to the lateral depth of shaped article 20, in the ideal situation, product 20 can be stripped, if oblique top 7
When horizontal core pulling distance is equal to the lateral depth of shaped article 20, outer surface and the oblique top 7 of product 20 produce friction sideways, cause
The outer surface of flower prod 20 is scraped, or because the error made, may produce back-off phenomenon, product 20 can not take off completely
Mould, when manufacturing and designing the die casting, the horizontal core pulling distance of oblique top 7 is slightly larger than the lateral depth of shaped article 20, shaping
Product 20 can safety break away from moulds, it is also possible to save the space of mould, reduce cost.
In the present embodiment, die casting also includes return mechanism, behind 18 ejecting product 20 of thimble, and return mechanism will be pushed up
Pin 18 and the mechanism back of oblique top 7 are in situ.Wherein, return mechanism includes spring 14 and push back pin 12, and push back pin 12 is mounted on
On backing plate 15, spring 14 is set on push back pin 12, and positioned between side and backing plate 15 of the lower template 9 away from cope plate 1.When
9 points of moulds of cope plate 1 and lower template, spring 14 is by the pressure between backing plate 15 and lower template 9, when thimble 18 ejects shaped article 20
Afterwards, by the cooperation of push back pin 12 and spring 14, by the ejection partial reset in lower template 9, return mechanism will can also be ejected
The ejection partial reset of bar 19, can matched moulds again, carry out die casting next time.Return mechanism is using spring 14 and push back pin 12
Coordinate, cost can be saved, change simple.
In another embodiment, return mechanism can also be resetted using oil cylinder, when thimble 18 and oblique top 7 are by shaped article 20
Ejection, after product 20 is stripped, oil cylinder resets thimble 18 with oblique top 7, can also realize the ejection partial reset of knock-pin 12
Reset function；But, because during manufacture this product, the distance of the undercut of oblique top 7 is shorter, the ejection distance of thimble 18 is shorter, and
Cost height is resetted using oil cylinder, therefore reset is coordinated using spring 14 and push back pin 12, reset function can be both realized, can also save
Cost-saving.
In the present embodiment, above-mentioned upper mold core 2 sets fluted, and lower mold core 8 is provided with the boss for adapting to groove；When upper
During 9 matched moulds of template 1 and lower template, groove and boss adaptation.In this present embodiment, it is respectively arranged with 2 four jiaos of upper mold core recessed
The boss of the groove of correspondence upper mold core 2, when 9 matched moulds of cope plate 1 and lower template, upper mold core are provided with groove, 8 four jiaos of lower mold core
2 groove supports adaptation in the boss of lower mold core 8, the first cavity can further be positioned, be further ensured that the precision of matched moulds.
In another embodiment, the set location of groove and boss can be exchanged, and boss is set in upper mold core 2, be set in lower mold core 8
The boss of groove and correspondence upper mold core 2, can equally realize the precision for improving matched moulds.
In the present embodiment, above-mentioned cope plate 1 is provided with sprue bushing 3, and lower template 9 is provided with and the corresponding spreader of sprue bushing 3
10；When cope plate 1 and the matched moulds of lower template 9, sprue bushing 3 supports cooperation with spreader 10, and shaping raw material flows from sprue bushing 3 along spreader 10
To the first cavity；After 9 points of moulds of cope plate 1 and lower template, sprue bushing 3 is separated with spreader 10.Increase spreader 10, work as forming material
Material is flowed into from sprue bushing 3, the first cavity is filled again by spreader 10, it is possible to reduce sprue bushing 3 feeds waste material everywhere, subtracts
Low cost, meanwhile, the time of shaping shortens.
In the present embodiment, die casting is additionally provided with bottom plate 17 and square iron 13, and wherein square iron 13 is located at the He of bottom needle plate 16
The both sides of backing plate 15, and square iron 13 is fixedly mounted with lower template 9, bottom plate 17 is fixedly installed in one of square iron 13 away from lower template 9
Side, after die casting loads die casting board, die casting board can fix lower template 9 by locking bottom plate 17, and pass through locking
Cope plate 1 realizes upper and lower mould matched moulds and a point mould, simple in construction.
Die casting of the present utility model, by oblique top undercut, the demoulding of thimble ejecting product, and is vented by setting
Block excludes air in the cavity of shaped article, improves the yield rate of product, and manufacture finished product is low, it is not necessary to the back-off of shaped article
Secondary operation is carried out, manufacturing procedure is reduced, operating efficiency is improved.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
Equivalent structure or equivalent flow conversion that every utilization the utility model specification and accompanying drawing content are made, or directly or indirectly fortune
Used in other related technical fields, similarly it is included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of die casting, it is characterised in that including cope plate, lower template, upper mold core, lower mold core, oblique top, backing plate, bottom pin
Plate and thimble；
The upper mold core is installed on the cope plate, and the lower mold core and oblique top are installed on the lower template；The oblique top first
End is fixedly connected with the backing plate, and the backing plate is fixedly connected with the bottom needle plate away from the lower template side, the thimble the
One end is installed on the backing plate and fixed by the bottom needle plate, and the end of thimble second sequentially passes through the lower template with
Core rod, and its end face and the outer surface of the upper mold core, lower mold core and the second end of oblique top shaped article；
After the cope plate and lower template matched moulds, second end of thimble end face, the end of oblique top second, upper mold core and lower mold core shape
Into the first cavity of cast article, the back-off position of the oblique top shaped article in the first cavity；
The back-off position is located at the both sides of shaped article, and the oblique top is provided with two, is respectively arranged in first cavity
The both sides of shaped article back-off position；
After to the first cavity filling material shaped article, the cope plate and lower template point mould, the oblique top are laterally synchronously divided
Type, the thimble action promotes shaping product stripping.
2. die casting according to claim 1, it is characterised in that including fixed seat, the oblique top first end with it is described
Fixed seat is fixedly connected, and the fixed seat is fixedly installed on the backing plate.
3. die casting according to claim 1 or 2, it is characterised in that the cope plate is provided with first row air parcel, institute
State lower template and be provided with second row air parcel, the first row air parcel, second row air parcel be arranged at the side of the first cavity of shaping and
Correspond to up and down；
When the cope plate and lower template matched moulds, first row air parcel and the formation of second row air parcel can be vented the second cavity of body, to
During the first cavity filling material, the air in the first cavity can flow to second cavity；
After formed product, the cope plate drives the first row air parcel to drive second row air parcel point mould with the lower template,
The first row air parcel and second row air parcel are separated.
4. die casting according to claim 3, it is characterised in that also including knock-pin, the knock-pin first end peace
Loaded on being fixed on the backing plate and by the bottom needle plate, the end of knock-pin second sequentially passes through the lower template and second row
Air parcel, and the face fairing of its end face and the second row air parcel towards first row air parcel is tangent；
When the cope plate and the lower template point mould, the knock-pin top makes the first exhaust to the first row air parcel
Block and the separation of second row air parcel.
5. die casting according to claim 1, it is characterised in that also including guide pillars and bushes, when the cope plate and
Lower template matched moulds, the guide pillar is pierced into the guide pin bushing, makes the cope plate and the accurate matched moulds of lower template；
When the cope plate and lower template point mould, the guide pillar is separated with the guide pin bushing.
6. die casting according to claim 1, it is characterised in that described oblique after the oblique top lateral synchronous parting
The horizontal core pulling distance on top is more than or equal to the lateral depth 2mm of shaped article.
7. die casting according to claim 1, it is characterised in that also including return mechanism, is produced when the thimble is ejected
After product, the return mechanism is by the thimble and the oblique top homing.
8. die casting according to claim 7, the return mechanism includes spring and push back pin, the push back pin is installed
It is fixed on the backing plate, the spring is set on the push back pin, and positioned at the lower template away from the cope plate
Between side and the backing plate.
9. die casting according to claim 1, it is characterised in that the upper mold core sets fluted, the lower mold core
It is provided with the boss for adapting to the groove；
When the cope plate and the lower template matched moulds, the groove and boss adaptation.
10. die casting according to claim 1, it is characterised in that the cope plate is provided with sprue bushing, the lower template
It is provided with spreader corresponding with the sprue bushing；
When the cope plate and the lower template matched moulds, the sprue bushing and the spreader support cooperation, and shaping raw material is from described
Sprue bushing flows to first cavity along the spreader；
After the cope plate and the lower template point mould, the sprue bushing is separated with the spreader.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720034269.0U CN206527327U (en) | 2017-01-11 | 2017-01-11 | Die casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720034269.0U CN206527327U (en) | 2017-01-11 | 2017-01-11 | Die casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206527327U true CN206527327U (en) | 2017-09-29 |
Family
ID=59917277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720034269.0U Active CN206527327U (en) | 2017-01-11 | 2017-01-11 | Die casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206527327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360226A (en) * | 2020-04-21 | 2020-07-03 | 菲斯达精密工业部件（苏州）有限公司 | Super exhaust block used in large-scale die-casting die |
-
2017
- 2017-01-11 CN CN201720034269.0U patent/CN206527327U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360226A (en) * | 2020-04-21 | 2020-07-03 | 菲斯达精密工业部件（苏州）有限公司 | Super exhaust block used in large-scale die-casting die |
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Effective date of registration: 20200413 Address after: 523000 No. 312 Tangqing East Road, Hengtang Community, Tangxia Town, Dongguan City, Guangdong Province Patentee after: LENS PRECISION (DONGGUAN) Co.,Ltd. Address before: Longgang District of Shenzhen City, Guangdong province 518000 Longgang Street Baolong Industrial City Jinlong two northbound Hongyuan Industrial Park building A building B building E Patentee before: SHENZHEN MENGZHIFANG COMMUNICATION PRODUCTS Co.,Ltd. |
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Effective date of registration: 20210427 Address after: 225300 Jiangsu province Taizhou City Cheung Road No. 227 Patentee after: Lansi precision (Taizhou) Co.,Ltd. Address before: 523000 No. 312 Tangqing East Road, Hengtang Community, Tangxia Town, Dongguan City, Guangdong Province Patentee before: LENS PRECISION (DONGGUAN) Co.,Ltd. |