CN106111942B - A kind of inner core pulling compression mod mold for being used to produce automobile crane tank shell - Google Patents

A kind of inner core pulling compression mod mold for being used to produce automobile crane tank shell Download PDF

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Publication number
CN106111942B
CN106111942B CN201610688422.1A CN201610688422A CN106111942B CN 106111942 B CN106111942 B CN 106111942B CN 201610688422 A CN201610688422 A CN 201610688422A CN 106111942 B CN106111942 B CN 106111942B
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China
Prior art keywords
core
mold
pulling
oil cylinder
block
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CN201610688422.1A
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CN106111942A (en
Inventor
胡岗
陈超
李东波
杨克旻
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NINGBO JIYE AUTOMOBILE COMPONENTS DIE CASTING CO Ltd
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NINGBO JIYE AUTOMOBILE COMPONENTS DIE CASTING CO Ltd
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Priority to CN201610688422.1A priority Critical patent/CN106111942B/en
Publication of CN106111942A publication Critical patent/CN106111942A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/22Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies

Abstract

The present invention relates to a kind of for producing the inner core pulling compression mod mold of automobile crane tank shell, inner core pulling structure includes inner core pulling block and inner core pulling oil cylinder, inner core pulling oil cylinder is located at the rearward position of upper mold seat, the mandril of inner core pulling oil cylinder is inserted into upper mold core, and it is connected with the inner core pulling block in upper mold core, inner core pulling block includes core-pulling slide block, inner core pulling fixed block and slide block, inner core pulling fixed block one end is connected with the core_pulling pole of inner core pulling oil cylinder, slide block there are two being symmetrically installed on other end both sides, core-pulling slide block is installed between two slide blocks, the lower end of core-pulling slide block is tilted towards inner core pulling oil cylinder direction, inner core pulling bar is installed on core-pulling slide block lower face, core-pulling slide block both sides are disposed with sliding block protrusion, sliding block protrusion is downwardly inclined close to one end of inner core pulling oil cylinder.The present invention has the characteristics that avoid that die venting is not smooth, reduces sbrinkage blowhole on product, raising product quality.

Description

A kind of inner core pulling compression mod mold for being used to produce automobile crane tank shell
Technical field
The present invention relates to vehicle crankcase die-casting technique fields, are used to produce automobile crane tank shell more particularly to one kind Inner core pulling compression mod mold.
Background technology
Since the wall thickness of automobile crane tank shell is thicker, so product also generates a large amount of gas contractings when in-mold molding The problems such as hole seriously affects the quality of product, while can also generate volume gas when molten metal fills, and die venting is not smooth, to understand The certainly above problem, designing a kind of new mould structure is necessary.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of inner core pulling die casting for being used to produce automobile crane tank shell Mould mold, has the characteristics that avoid that die venting is not smooth, reduces sbrinkage blowhole on product, improves product quality.
The technical solution adopted by the present invention to solve the technical problems is:One kind is provided for producing automobile crane tank shell Inner core pulling compression mod mold, including upper mold seat, die holder and upper mold core, the upper mold seat lower face is equipped with die holder, The upper mold core lower face is equipped with lower mold core, the upper mold core and lower mold core insertion mounted on upper mold seat and die holder it Between medium position on, die holder forepart, rear portion and the right part be separately installed with preceding pulled core structure, rear pulled core structure and Right pulled core structure, be equipped on the die holder lateral surface respectively with preceding pulled core structure, rear pulled core structure and right pulled core structure Corresponding preceding core pulling oil cylinder, rear core pulling oil cylinder and right core pulling oil cylinder, the upper mold seat rear portion, rear pulled core structure top are equipped with Inner core pulling structure, the inner core pulling structure include inner core pulling block and inner core pulling oil cylinder, and the inner core pulling oil cylinder is located at upper mold The rearward position of seat, the mandril of inner core pulling oil cylinder are inserted into upper mold core and are connected with the inner core pulling block in upper mold core, The inner core pulling block includes core-pulling slide block, inner core pulling fixed block and slide block, described inner core pulling fixed block one end and interior pumping The core_pulling pole of core oil cylinder is connected, and is symmetrically installed on other end both sides there are two slide block, and core pulling is equipped between two slide blocks Sliding block, the lower end of core-pulling slide block are tilted towards inner core pulling oil cylinder direction, and inner core pulling bar is equipped on core-pulling slide block lower face, described Core-pulling slide block both sides are disposed with sliding block protrusion, and sliding block protrusion is downwardly inclined close to one end of inner core pulling oil cylinder.
Stroke limit is mounted on the preceding core pulling oil cylinder, rear core pulling oil cylinder, right core pulling oil cylinder and inner core pulling oil cylinder Device, the distance caging device include travel switch, installing plate and oil cylinder body, and the installing plate is mounted on oil cylinder sheet On the upper surface or lower face of body, be equipped on the installing plate it is that one end is connected with the telescopic rod of oil cylinder body and with it is flexible Bar parallel gag lever post is disposed with position limiting convex ring on the gag lever post, be arranged side by side on the installing plate there are two with limit The position corresponding travel switch of bar, the travel switch is equipped on one end of gag lever post to be opened with what position limiting convex ring matched Close idler wheel.
The preceding pulled core structure includes preceding Loose core block and preceding core pulling oil cylinder, before the preceding Loose core block is mounted on lower mold core In portion, the preceding core pulling oil cylinder is mounted on the leading flank of die holder, the mandril of preceding core pulling oil cylinder be inserted into die holder with Preceding Loose core block is connected.
The right pulled core structure includes right Loose core block and right core pulling oil cylinder, and right Loose core block insertion is mounted on upper mold Right part between core and lower mold core, the right core pulling oil cylinder are mounted on the right flank of die holder, the top of right core pulling oil cylinder Bar insertion die holder is connected with one end of right Loose core block, and several one end insertions are equipped on the other end of the right Loose core block The first cylinder inserted link and horizontally disposed flat inserted sheet in die cavity.
The rear pulled core structure include rear Loose core block and rear core pulling oil cylinder, the rear Loose core block be mounted on upper mold core and Rear portion between lower mold core, the rear core pulling oil cylinder are mounted on the trailing flank of die holder, and the mandril of rear core pulling oil cylinder is with after The rear side of Loose core block is connected, and several second cylinder inserted links are longitudinally provided on the front side of the rear Loose core block.
The lower part of the preceding core pulling oil cylinder, rear core pulling oil cylinder and right core pulling oil cylinder is mounted on oil cylinder protection block.
There are sprue channel column, the sprue channel column in the upper mold seat forepart by vertically-mounted at nearby pulled core structure Lower end through upper mold seat and upper mold core and with the flow passage in lower mold core.
A circle lower end is installed on the lower section of the inner core pulling structure, the die cavity face of lower mold core to be inserted into mould cavity Inserted link.
It is symmetrically installed on the lower face of the die holder there are two support block, the lower part between two support blocks, which is equipped with, to push away Plate, several root mandrils are equipped in push plate, and the upper end of mandril is inserted into through die holder and lower mold core in die cavity.
It is longitudinally provided with what is connected with die cavity inner flow passage between the left side of the rear pulled core structure, lower mold core and upper mold core First row air parcel, is horizontally installed between the right side of the rear pulled core structure, lower mold core and upper mold core and die cavity inner flow passage connects Logical second row air parcel.
Advantageous effect:The present invention relates to a kind of for producing the inner core pulling compression mod mold of automobile crane tank shell, pass through Inner core pulling structure is installed so that the sbrinkage blowhole on product inner wall is reduced, and improves product quality, by installing right pulled core structure with after Pulled core structure so that the flat inserted sheet, the second cylinder inserted link and the first cylinder inserted link on right pulled core structure and rear pulled core structure are tight Die pressing product so that product is even closer, reduces the formation probability of sbrinkage blowhole, and die venting is not smooth, reduces product with avoiding On sbrinkage blowhole, improve product quality the features such as.
Description of the drawings
Fig. 1 is the front view of the present invention;
Fig. 2 is the right view of the present invention;
Fig. 3 is the top view after present invention removal upper mold seat;
Fig. 4 is the top view after present invention removal upper mold seat and upper mold core;
Fig. 5 is the right view after present invention removal upper mold seat and upper mold core;
Fig. 6 is the topology view of inner core pulling fixed block of the present invention;
Fig. 7 is the topology view of inner core pulling block of the present invention;
Fig. 8 is the topology view of distance caging device of the present invention;
Fig. 9 is the topology view of flat inserted sheet of the present invention, the second cylinder inserted link and the first cylinder inserted link.
Diagram:1st, upper mold seat, 2, die holder, 3, support block, 4, push plate, 5, oil cylinder protection block, 6, sprue channel column, 7, upper mold Core, 8, lower mold core, 9, preceding pulled core structure, 10, right pulled core structure, 11, rear pulled core structure, 12, inner core pulling structure, 13, preceding core pulling Block, 14, right Loose core block, 15, rear Loose core block, 16, inner core pulling block, 17, distance caging device, 18, inserted link, 19, first row air parcel, 20th, second row air parcel, 21, oil cylinder body, 22, gag lever post, 23, installing plate, 24, travel switch, 25, position limiting convex ring, 26, switch Idler wheel, 27, telescopic rod, 28, slide block, 29, core-pulling slide block, 30, sliding block protrusion, 31, inner core pulling bar, 32, flat inserted sheet, 33, First cylinder inserted link, the 34, second cylinder inserted link, 35, preceding core pulling oil cylinder, 36, right core pulling oil cylinder, 37, inner core pulling oil cylinder, 38, after Core pulling oil cylinder, 39, inner core pulling fixed block.
Specific embodiment
With reference to specific embodiment, the present invention is further explained.It is to be understood that these embodiments are merely to illustrate the present invention Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, people in the art Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited Scope.
Embodiments of the present invention are related to a kind of inner core pulling compression mod mold for being used to produce automobile crane tank shell, such as scheme Shown in 1-9, including upper mold seat 1, die holder 2 and upper mold core 7,1 lower face of upper mold seat is equipped with die holder 2, described 7 lower face of upper mold core is equipped with lower mold core 8, the upper mold core 7 and the insertion of lower mold core 8 mounted on upper mold seat 1 and die holder 2 it Between medium position on, 2 forepart of die holder, rear portion and the right part are separately installed with preceding pulled core structure 9, rear pulled core structure 11 and right pulled core structure 10, be equipped on 2 lateral surface of die holder respectively with preceding pulled core structure 9, rear pulled core structure 11 and The corresponding preceding core pulling oil cylinder 35 of right pulled core structure 10, rear core pulling oil cylinder 38 and right core pulling oil cylinder 36,1 rear portion of upper mold seat, 11 top of pulled core structure is equipped with inner core pulling structure 12 afterwards, and the inner core pulling structure 12 includes inner core pulling block 16 and inner core pulling oil Cylinder 37, the inner core pulling oil cylinder 37 are located at the rearward position of upper mold seat 1, and the mandril of inner core pulling oil cylinder 37 is inserted into upper mold core 7 Interior and be connected with the inner core pulling block 16 in upper mold core 7, the inner core pulling block 16 includes core-pulling slide block 29, inner core pulling Fixed block 30 and slide block 28, described 30 one end of inner core pulling fixed block are connected with the core_pulling pole of inner core pulling oil cylinder 37, the other end It is symmetrically installed on both sides there are two slide block 28, core-pulling slide block 29 is installed between two slide blocks 28, under core-pulling slide block 29 End is tilted towards 37 direction of inner core pulling oil cylinder, and inner core pulling bar 31, the core-pulling slide block 29 are equipped on 29 lower face of core-pulling slide block Both sides are disposed with sliding block protrusion 30, and the sliding block protrusion 30 is downwardly inclined close to one end of inner core pulling oil cylinder 37.
It is mounted on the preceding core pulling oil cylinder 35, rear core pulling oil cylinder 38, right core pulling oil cylinder 36 and inner core pulling oil cylinder 37 Distance caging device 17, the distance caging device 17 includes travel switch 24, installing plate 23 and oil cylinder body 21, described Installing plate 23 is mounted on the upper surface or lower face of oil cylinder body 21, and one end and oil cylinder sheet are equipped on the installing plate 23 The telescopic rod 27 of body 21 the is connected and gag lever post 22 parallel with telescopic rod 27 is disposed with position limiting convex ring on the gag lever post 22 25, be arranged side by side on the installing plate 23 there are two with 22 corresponding travel switch 24 of gag lever post, the travel switch 24 are equipped with the switch idler wheel 26 to match with position limiting convex ring 25 on one end of gag lever post 22.
The preceding pulled core structure 9 includes preceding Loose core block 13 and preceding core pulling oil cylinder 35, and the preceding Loose core block 13 is mounted on In 8 forepart of lower mold core, the preceding core pulling oil cylinder 35 is mounted on the leading flank of die holder 2, and the mandril of preceding core pulling oil cylinder 35 is inserted Enter and be connected into die holder 2 with preceding Loose core block 13.
The right pulled core structure 10 includes right Loose core block 14 and right core pulling oil cylinder 36, the right Loose core block 14 insertion peace Right part between upper mold core 7 and lower mold core 8, the right core pulling oil cylinder 36 are mounted on the right flank of die holder 2, right The mandril insertion die holder 2 of core pulling oil cylinder 36 is connected with one end of right Loose core block 14, on the other end of the right Loose core block 14 The first cylinder inserted link 33 and the horizontally disposed flat inserted sheet 32 that several one end are inserted into die cavity are installed.
The rear pulled core structure 11 includes rear Loose core block 15 and rear core pulling oil cylinder 38, and the rear Loose core block 15 is mounted on Rear portion between upper mold core 7 and lower mold core 8, the rear core pulling oil cylinder 38 are mounted on the trailing flank of die holder 2, rear core pulling oil The mandril of cylinder 38 is connected with the rear side of rear Loose core block 15, and several second are longitudinally provided on the front side of the rear Loose core block 15 Cylinder inserted link 34.
The lower part of the preceding core pulling oil cylinder 35, rear core pulling oil cylinder 38 and right core pulling oil cylinder 36 is mounted on oil cylinder protection block 5。
There are sprue channel column 6, the cast gate stream in 1 forepart of upper mold seat by vertically-mounted at nearby pulled core structure 9 6 lower end of road column through upper mold seat 1 and upper mold core 7 and with the flow passage in lower mold core 8.
A circle lower end is installed on the lower section of the inner core pulling structure 12, the die cavity face of lower mold core 8 and is inserted into mold mould The inserted link 18 of intracavitary.
It is symmetrically installed on the lower face of the die holder 2 there are two support block 3, the lower part between two support blocks 3 is equipped with Push plate 4, several root mandrils are equipped in push plate 4, and the upper end of mandril is inserted into through die holder 2 and lower mold core 8 in die cavity.
It is longitudinally provided between the left side of the rear pulled core structure 11, lower mold core 8 and upper mold core 7 and die cavity inner flow passage connects Logical first row air parcel 19, is horizontally installed with and mould between the right side of the rear pulled core structure 11, lower mold core 8 and upper mold core 7 The second row air parcel 20 of intracavitary flow passage.
Embodiment
When needing to carry out production, whole secondary mold is mounted on die casting machine first, passes through die casting machine afterwards Carry out molding debugging, debugging is completed to enter among production stage, first by die casting machine by upper mold seat 1 and upper mold core 7 under Die holder 2 and lower mold core 8 are closed up, while start preceding pulled core structure 9, rear pulled core structure 11, right pulled core structure 10 and inner core pulling structure 12 so that preceding Loose core block 13, rear Loose core block 15, right Loose core block 14 and inner core pulling block 16 are inserted into mould cavity, afterwards will melting The molten aluminum of state is injected at sprue channel column 6 in mould cavity, by the runner in die cavity, forms product, and product cools down, Hot gas in runner can discharge at first row air parcel 19 and second row air parcel 20, start preceding pulled core structure 9, rear core pulling knot afterwards Structure 11, right pulled core structure 10 and inner core pulling structure 12 so that preceding Loose core block 13, rear Loose core block 15, right Loose core block 14 and inner core pulling Block 16 and the product of shaping depart from, and open mold by die casting machine afterwards, and pass through push plate 4 and mandril ejects product, take out Die casting machine presses again after product, is produced next time.
It is moved in order to ensure the core pulling of preceding pulled core structure 9, rear pulled core structure 11, right pulled core structure 10 and inner core pulling structure 12 Distance, preceding core pulling oil cylinder 35, rear pumping in preceding pulled core structure 9, rear pulled core structure 11, right pulled core structure 10 and inner core pulling structure 12 Distance caging device 17 is installed on core oil cylinder 38, right core pulling oil cylinder 36 and inner core pulling oil cylinder 37, the core pulling before needing to control When structure 9, rear pulled core structure 11, right pulled core structure 10 and inner core pulling structure 12 are inserted into die cavity, start oil cylinder sheet first Telescopic rod 27 on body 21, telescopic rod 27 are moved towards 7 direction of upper mold core, and gag lever post 22 is moved also with telescopic rod 27, until limit When position limiting convex ring 25 on the bar 22 of position is contacted with the switch idler wheel 26 of a travel switch 24 close to mold side, oil cylinder Body 21 understands stop motion, and pulled core structure is in closed configuration at this time, and when core pulling is needed, oil cylinder body 21 is opened, So that telescopic rod 27 is retracted, until the position limiting convex ring 25 on gag lever post 22 is contacted with the switch idler wheel 26 of another travel switch 24 When, oil cylinder body 21 understands stop motion, and pulled core structure is in opening state at this time.
When inner core pulling structure 12 carries out core pulling action, inner core pulling oil cylinder 37 starts so that the top of inner core pulling oil cylinder 37 Bar is retracted, and the mandril of inner core pulling oil cylinder 37 can pull slide block 28 and inner core pulling fixed block 39 toward moving at inner core pulling oil cylinder 37, Due to the sliding block protrusion 30 on slide block 28 and core-pulling slide block 29 so that core-pulling slide block 29 is moved toward the top of opposite direction, is made Inner core pulling bar 31 is obtained with product to depart from.

Claims (10)

1. a kind of for producing the inner core pulling compression mod mold of automobile crane tank shell, including upper mold seat (1), die holder (2) and Upper mold core (7), the upper mold seat (1) lower face are equipped with die holder (2), and the upper mold core (7) lower face is equipped with down The embedded middle position being mounted between upper mold seat (1) and die holder (2) of mold core (8), the upper mold core (7) and lower mold core (8) It puts, it is characterised in that:Die holder (2) forepart, rear portion and the right part is separately installed with preceding pulled core structure (9), rear pumping Cored structure (11) and right pulled core structure (10), be equipped on the die holder (2) lateral surface respectively with preceding pulled core structure (9), Pulled core structure (11) and the corresponding preceding core pulling oil cylinder (35) of right pulled core structure (10), rear core pulling oil cylinder (38) and right core pulling oil cylinder afterwards (36), the upper mold seat (1) rear portion, rear pulled core structure (11) top are equipped with inner core pulling structure (12), the inner core pulling Structure (12) includes inner core pulling block (16) and inner core pulling oil cylinder (37), and the inner core pulling oil cylinder (37) is located at upper mold seat (1) Rearward position, the mandril of inner core pulling oil cylinder (37) be inserted into upper mold core (7) and with the inner core pulling in upper mold core (7) Block (16) is connected, and the inner core pulling block (16) includes core-pulling slide block (29), inner core pulling fixed block (30) and slide block (28), institute Inner core pulling fixed block (30) one end stated is connected with the core_pulling pole of inner core pulling oil cylinder (37), and the other end is symmetrically installed with two on both sides A slide block (28), is equipped with core-pulling slide block (29) between two slide blocks (28), and the lower end of core-pulling slide block (29) is towards inner core pulling Oil cylinder (37) direction tilts, and inner core pulling bar (31), the core-pulling slide block (29) two are equipped on core-pulling slide block (29) lower face Side is disposed with sliding block protrusion (30), and sliding block protrusion (30) is downwardly inclined close to one end of inner core pulling oil cylinder (37).
2. a kind of inner core pulling compression mod mold for being used to produce automobile crane tank shell according to claim 1, feature It is:Pacify on the preceding core pulling oil cylinder (35), rear core pulling oil cylinder (38), right core pulling oil cylinder (36) and inner core pulling oil cylinder (37) Equipped with distance caging device (17), the distance caging device (17) includes travel switch (24), installing plate (23) and oil cylinder Body (21), the installing plate (23) are mounted on the upper surface or lower face of oil cylinder body (21), the installing plate (23) gag lever post that one end is connected with the telescopic rod (27) of oil cylinder body (21) and parallel with telescopic rod (27) is installed on (22), position limiting convex ring (25) is disposed on the gag lever post (22), be arranged side by side on the installing plate (23) there are two with Gag lever post (22) corresponding travel switch (24), the travel switch (24) are equipped on one end of gag lever post (22) The switch idler wheel (26) to match with position limiting convex ring (25).
3. a kind of inner core pulling compression mod mold for being used to produce automobile crane tank shell according to claim 1, feature It is:The preceding pulled core structure (9) includes preceding Loose core block (13) and preceding core pulling oil cylinder (35), the preceding Loose core block (13) peace In lower mold core (8) forepart, the preceding core pulling oil cylinder (35) is mounted on the leading flank of die holder (2), preceding core pulling oil cylinder (35) mandril is inserted into die holder (2) to be connected with preceding Loose core block (13).
4. a kind of inner core pulling compression mod mold for being used to produce automobile crane tank shell according to claim 1, feature It is:The right pulled core structure (10) includes right Loose core block (14) and right core pulling oil cylinder (36), the right Loose core block (14) The embedded right part being mounted between upper mold core (7) and lower mold core (8), the right core pulling oil cylinder (36) are mounted on die holder (2) on right flank, the mandril insertion die holder (2) of right core pulling oil cylinder (36) is connected with one end of right Loose core block (14), described Right Loose core block (14) the other end on the first cylinder inserted link (33) and the level that several one end are inserted into die cavity are installed The flat inserted sheet (32) of arrangement.
5. a kind of inner core pulling compression mod mold for being used to produce automobile crane tank shell according to claim 1, feature It is:The rear pulled core structure (11) includes rear Loose core block (15) and rear core pulling oil cylinder (38), the rear Loose core block (15) Rear portion between upper mold core (7) and lower mold core (8), after the rear core pulling oil cylinder (38) is mounted on die holder (2) On side, the mandril of rear core pulling oil cylinder (38) is connected with the rear side of rear Loose core block (15), the front side of the rear Loose core block (15) On be longitudinally provided with several second cylinder inserted links (34).
6. a kind of inner core pulling compression mod mold for being used to produce automobile crane tank shell according to claim 1, feature It is:The lower part of the preceding core pulling oil cylinder (35), rear core pulling oil cylinder (38) and right core pulling oil cylinder (36) is mounted on oil cylinder guarantor Protecting block (5).
7. a kind of inner core pulling compression mod mold for being used to produce automobile crane tank shell according to claim 1, feature It is:There are sprue channel column (6), the cast gate in described upper mold seat (1) forepart by vertically-mounted at nearby pulled core structure (9) Runner column (6) lower end through upper mold seat (1) and upper mold core (7) and with the flow passage in lower mold core (8).
8. a kind of inner core pulling compression mod mold for being used to produce automobile crane tank shell according to claim 1, feature It is:A circle lower end is installed on the lower section of the inner core pulling structure (12), the die cavity face of lower mold core (8) and is inserted into mold mould The inserted link (18) of intracavitary.
9. a kind of inner core pulling compression mod mold for being used to produce automobile crane tank shell according to claim 1, feature It is:It is symmetrically installed on the lower face of the die holder (2) there are two support block (3), the lower part installation between two support blocks (3) There is push plate (4), several root mandrils are installed in push plate (4), the upper end of mandril is inserted into through die holder (2) and lower mold core (8) Into die cavity.
10. a kind of inner core pulling compression mod mold for being used to produce automobile crane tank shell according to claim 1, feature It is:It is longitudinally provided between the left side of the rear pulled core structure (11), lower mold core (8) and upper mold core (7) with being flowed in die cavity The first row air parcel (19) of road connection, horizontal stroke between the right side of the rear pulled core structure (11), lower mold core (8) and upper mold core (7) To being equipped with the second row air parcel (20) that is connected with die cavity inner flow passage.
CN201610688422.1A 2016-08-18 2016-08-18 A kind of inner core pulling compression mod mold for being used to produce automobile crane tank shell Active CN106111942B (en)

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CN106670421A (en) * 2016-12-22 2017-05-17 宁波杰达模具机械有限公司 Die-casting mold with application of sliding block core flow channel forming
CN107839156A (en) * 2017-11-10 2018-03-27 广东泰安模塑科技股份有限公司 A kind of mould structure for exempting from collision
CN110660601A (en) * 2019-09-12 2020-01-07 安徽省锦瑞汽车部件有限公司 Crankcase ventilation pipe travel switch

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CN202388735U (en) * 2011-12-30 2012-08-22 宁波市华宝塑胶模具有限公司 Injection mould with simple structure for barrel-shaped product
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