CN107900307A - A kind of mould with dual pulled core structure - Google Patents
A kind of mould with dual pulled core structure Download PDFInfo
- Publication number
- CN107900307A CN107900307A CN201711264538.3A CN201711264538A CN107900307A CN 107900307 A CN107900307 A CN 107900307A CN 201711264538 A CN201711264538 A CN 201711264538A CN 107900307 A CN107900307 A CN 107900307A
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- Prior art keywords
- core
- core pulling
- pulling
- pulled
- oil cylinder
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- 230000009977 dual effect Effects 0.000 title claims abstract description 27
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 238000004512 die casting Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/001—Removing cores
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The present invention relates to a kind of mould with dual pulled core structure, connecting plate is installed on the mandril of the core pulling set oil cylinder, the positioning plate is longitudinally mounted between two core pulling set oil cylinders, and it is connected with the connecting rod of lateral arrangement on connecting plate, the positioning plate is provided with core pulling nested structure on the side of die holder, one end of the core pulling nested structure is disposed with core pulling end protrusion, core pulling end protrusion is inserted into die cavity, the connecting plate is provided with the two inner core pulling oil cylinders arranged up and down close to one middle side part of core pulling set oil cylinder mandril, the mandril of inner core pulling oil cylinder is extend into core pulling nested structure, core_pulling pole and lower core_pulling pole are separately installed with the mandril of two inner core pulling oil cylinders.The present invention have the characteristics that it is small, facilitate worker install and production, cost reduction, reduction production process in security risk.
Description
Technical field
The present invention relates to die casting technical field, more particularly to a kind of mould with dual pulled core structure.
Background technology
Among die casting technique, when running into the more complicated situation of product structure, it is necessary to design different pulled core structures
So that formed product, and pulled core structure can excessively cause mould volume too fat to move, the problems such as being unfavorable for operation, in order to solve this
One problem, modifies the details of mould so that mould reduces the body of whole secondary mould while product quality is not influenced
Product.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of mould with dual pulled core structure, have it is small,
Facilitate worker's installation and production, cost reduction, reduce the features such as security risk in production process.
The technical solution adopted by the present invention to solve the technical problems is:A kind of mould with dual pulled core structure is provided
Tool, including upper mold seat, die holder and upper mold core, the die holder upper surface are provided with die holder, and the upper mold seat is with
Middle part is provided with upper mold core and lower mold core in upper and lower mounting arrangements between die holder, and upper mold core and lower mold core form die cavity, described
Die holder lower end support block is installed, support block lower end is provided with bottom plate, and top plate, the upper mold are provided between the support block
Front and rear part between seat, die holder is separately installed with preceding pulled core structure and the rear pulled core structure of insertion upper mold core and lower mold core, institute
Left-right parts between the upper mold seat and die holder stated are not provided with dual pulled core structure and right pulled core structure, the dual pumping
Cored structure includes positioning plate, core pulling set oil cylinder and inner core pulling oil cylinder, and the die holder is symmetrically installed with two horizontal strokes before and after left side
To arrangement core pulling set oil cylinder, the cylinder body of core pulling set oil cylinder is fixed on die holder, and the core pulling covers the mandril of oil cylinder
On connecting plate is installed, the positioning plate is longitudinally mounted between two core pullings set oil cylinders, and with lateral arrangement on connecting plate
Connecting rod be connected, the positioning plate is provided with core pulling nested structure, the core pulling nested structure on the side of die holder
One end be disposed with core pulling end protrusion, core pulling end protrusion is inserted into die cavity, and the connecting plate is close to core pulling set oil cylinder top
One middle side part of bar is provided with extend into core pulling nested structure in the two inner core pulling oil cylinders arranged up and down, the mandril of inner core pulling oil cylinder
It is interior, core_pulling pole and lower core_pulling pole are separately installed with the mandril of two inner core pulling oil cylinders.
Connecting plate on the core pulling set oil cylinder mandril, passes through four connecting rods and the two of positioning plate on corner location
End is connected, and the positioning plate both ends are provided with the straight slot to match with core pulling set oil cylinder.
The Loose core block of the preceding pulled core structure is disposed with the flow path groove connected with die cavity, institute close to one end top of die cavity
One end that the flow path groove stated is connected with die cavity is downwardly inclined, and the Loose core block upper end of preceding pulled core structure is provided with sprue bush, institute
Spreader is installed below the sprue bush stated, the upper end of spreader is connected with flow path groove.
Before the spreader is embedded into the Loose core block upper surface of pulled core structure, spreader upper end is close to flow path groove rear portion
The spreader runner connected with flow path groove is disposed with, the front portion of the spreader upper end is disposed with raised platform, the protrusion
Platform is in semi-cylindrical, and raised platform is disposed with angular cutouts close to spreader runner side, and the spreader runner both sides are symmetrical
Closure protrusion is disposed with, the closure is raised to be protruded close to raised platform one end towards spreader runner centerline direction, formation contracting
Mouth structure.
The preceding pulled core structure, rear pulled core structure and consolidated with right pulled core structure by the outside of arc bracket and die holder
Fixed, the arc bracket is in both ends towards the curved arc platy structure in die holder direction, the curved end and lower die of arc bracket
Seat is connected, and the core pulling oil cylinder that mandril passes through arc bracket is provided with the middle part of the arc bracket.
Two travel switches, core pulling set oil has been mounted side by side in the trailing flank lower, transverse for the core pulling set oil cylinder surveyed after being located at
The lower part of the connecting plate of cylinder is provided with the travel switch trip bar that lateral arrangement and travel switch match, on travel switch trip bar
It is disposed with the travel switch protruding block to match with travel switch.
Beneficial effect:The present invention relates to a kind of mould with dual pulled core structure, by designing dual pulled core structure, together
The mould bases and oil cylinder mounting structure of the Shi Gaijin structures, can effectively utilize space so that the pulled core structure is not changing production
While product shape, volume is reduced, has saved cost, while also improves production efficiency, by pacifying on preceding pulled core structure
Assembly enters the spreader of Loose core block, can save mould inside space so that sprue bush is reduced with volume shared by spreader, at the same time
By spreader design in there is the spreader runner of inclined plane shape, it is convenient before pulled core structure demould, before designing arc bracket installation
Pulled core structure, rear pulled core structure and and right pulled core structure so that security risk of the mould in operation and installation reduces, and avoids
The security risk of script square stent, while arc bracket can bear the oil cylinder pulling force of bigger, improve mould bases service life.
Brief description of the drawings
Fig. 1 is the front view of the present invention;
Fig. 2 is the top view of die holder of the present invention;
Fig. 3 is the topology view of dual pulled core structure of the present invention;
Fig. 4 is the topology view of core pulling end protrusion of the present invention;
Topology view when Fig. 5 is preceding pulled core structure arrangement sprue bush of the present invention;
Fig. 6 is topology view when spreader of the present invention is combined with preceding pulled core structure;
Fig. 7 is the topology view of spreader of the present invention.
Diagram:1st, upper mold seat, 2, die holder, 3, upper mold core, 4, lower mold core, 5, support block, 6, top plate, 7, bottom plate, 8, preceding pumping
Cored structure, 9, dual pulled core structure, 10, right pulled core structure, 11, rear pulled core structure, 12, core pulling set oil cylinder, 13, positioning plate, 14,
Core pulling nested structure, 15, core pulling end protrusion, 16, lower core_pulling pole, 17, upper core_pulling pole, 18, arc bracket, 19, sprue bush, 20, OK
Cheng Kaiguan, 21, travel switch protruding block, 22, spreader, 23, flow path groove, 24, spreader runner, 25, throat structure, 26, convex
Play platform, 27, closure it is raised, 28, inner core pulling oil cylinder.
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 limit 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 mould with dual pulled core structure, as shown in Fig. 1-7, including upper mold
Seat 1, die holder 2 and upper mold core 3,2 upper surface of die holder are provided with die holder 1, the upper mold seat 1 and die holder 2
Between middle part upper mold core 3 and lower mold core 4 in upper and lower mounting arrangements are installed, upper mold core 3 and lower mold core 4 form die cavity, described
2 lower end of die holder support block 5 is installed, 5 lower end of support block is provided with bottom plate 7, and top plate 6 is provided between the support block 5, described
Upper mold seat 1, the front and rear part between die holder 2 be separately installed with insertion upper mold core 3 and lower mold core 4 preceding pulled core structure 8 and after
Pulled core structure 11, the left-right parts between the upper mold seat 1 and die holder 2 are not provided with dual pulled core structure 9 and right core pulling
Structure 10, the dual pulled core structure 9 include positioning plate 13, core pulling set oil cylinder 12 and inner core pulling oil cylinder 28, the lower die
Two lateral arrangement core pulling set oil cylinders 12 are symmetrically installed with before and after the left side of seat 2, the cylinder body of core pulling set oil cylinder 12 is fixed on
On die holder 2, connecting plate is installed on the mandril of core pulling set oil cylinder 12, the positioning plate 13 is longitudinally mounted to two
Between core pulling set oil cylinder 12, and it is connected with the connecting rod of lateral arrangement on connecting plate, the positioning plate 13 is close to die holder 2
Core pulling nested structure 14 is installed, one end of the core pulling nested structure 14 is disposed with core pulling end protrusion 15, the core pulling end on side
Protrusion 15 is inserted into die cavity, and it is in what is arranged up and down that the connecting plate is provided with close to 12 mandril of core pulling set oil cylinder, one middle side part
Two inner core pulling oil cylinders 28, the mandril of inner core pulling oil cylinder 28 are extend into core pulling nested structure 14, the top of two inner core pulling oil cylinders 28
Core_pulling pole 17 and lower core_pulling pole 16 are separately installed with bar.
Connecting plate on core pulling set 12 mandril of oil cylinder, passes through four connecting rods on corner location and positioning plate 13
Both ends be connected, 13 both ends of positioning plate be provided with core pulling set oil cylinder 12 match straight slot.
The Loose core block of the preceding pulled core structure 8 is disposed with the flow path groove connected with die cavity close to one end top of die cavity
23, one end that the flow path groove 23 is connected with die cavity is downwardly inclined, and the Loose core block upper end of preceding pulled core structure 8, which is provided with, to be poured
Muzzle 19, the lower section of sprue bush 19 are provided with spreader 22, and the upper end of spreader 22 is connected with flow path groove 23.
Before the spreader 22 is embedded into the Loose core block upper surface of pulled core structure 8,22 upper end of spreader is close to runner
23 rear portion of groove is disposed with the spreader runner 24 connected with flow path groove 23, and the front portion of 22 upper end of spreader is disposed with protrusion
Platform 26, the raised platform 26 are in semi-cylindrical, and raised platform 26 is disposed with angular cutouts close to 24 side of spreader runner, described
24 both sides of spreader runner be arranged symmetrically closure protrusion 27, closure protrusion 27 is close to raised 26 one end of platform towards shunting
24 centerline direction of coning tower tray road protrudes, and forms throat structure 25.
The preceding pulled core structure 8, rear pulled core structure 11 and and right pulled core structure 10 pass through arc bracket 18 and die holder 2
Outside fix, the arc bracket 18 in both ends towards the curved arc platy structure in 2 direction of die holder, arc bracket 18
Curved end is connected with die holder 2, and the middle part of the arc bracket 18 is provided with the core pulling oil cylinder that mandril passes through arc bracket 18.
Two travel switches 20, the core pulling has been mounted side by side in the trailing flank lower, transverse for the core pulling set oil cylinder 12 surveyed after being located at
The lower part for covering the connecting plate of oil cylinder 12 is provided with the travel switch trip bar that lateral arrangement matches with travel switch 20, travel switch
The travel switch protruding block 21 to match with travel switch 20 is disposed with trip bar.
Embodiment
The dual pulled core structure of script, is installed in mould after generally selecting two different pulled core structure combinations, this
Pulled core structure needs to arrange that linkage structure could complete core pulling action, while the arrangement of pulled core structure for convenience, whole pair mould
Volume need to increase, die holder can be far longer than core rod, during installation mold, be easy to cause worker's inconvenience, the cost of mould also increases
Add.
And the dual pulled core structure 9 mentioned in the technical program, core pulling is covered by oil cylinder 12 and inner core pulling by positioning plate 13
Oil cylinder 28 is combined, and core pulling set oil cylinder 12 is used for controlling core pulling nested structure 14 to be inserted and removed from, and 28 energy of inner core pulling oil cylinder
The upper core_pulling pole 17 and lower core_pulling pole 16 being enough pointed in core pulling nested structure 14 are controlled, and greatly reduce dual pulled core structure
9 volume, at the same by core pulling set oil cylinder 12 reversely install, can and by four reverse connecting rods and positioning plate 13, can
The volume of dual core pulling is reduced, saves the manufacture cost of mould.
At the same time in order to further save mould volume, the spreader 22 of mould is installed on to the Loose core block of preceding pulled core structure 8
Upper surface, while raised platform 26, the spreader runner 24 of inclined arrangement and closure will be arranged on the flow dividing structure of spreader 22
Protrusion 27, this structure will not cause to interfere between pulled core structure and product runner position in product stripping, carry at the same time
High stripping rate.
In order to improve the security of mould, security risk is reduced, the mounting bracket of pulled core structure is improved, arc
Stent 18 can effectively improve the bearing capacity of mould, and since the both ends of arc bracket 18 use arc transition so that mould
Have no sharp right angle, add safety coefficient.
Claims (6)
1. a kind of mould with dual pulled core structure, including upper mold seat (1), die holder (2) and upper mold core (3), under described
Die holder (2) upper surface is provided with die holder (1), and middle part is provided with peace up and down between the upper mold seat (1) and die holder (2)
The upper mold core (3) and lower mold core (4) of arrangement are filled, upper mold core (3) and lower mold core (4) form die cavity, the die holder (2) lower end
Support block (5) is installed, support block (5) lower end is provided with bottom plate (7), top plate (6), its feature are provided between the support block (5)
It is:Front and rear part between the upper mold seat (1), die holder (2) is separately installed with insertion upper mold core (3) and lower mold core (4)
Preceding pulled core structure (8) and rear pulled core structure (11), the left-right parts between the upper mold seat (1) and die holder (2) do not pacify
Equipped with dual pulled core structure (9) and right pulled core structure (10), the dual pulled core structure (9) includes positioning plate (13), core pulling
Oil cylinder (12) and inner core pulling oil cylinder (28) are covered, the die holder (2) is symmetrically installed with two lateral arrangement core pullings before and after left side
Oil cylinder (12) is covered, the cylinder body of core pulling set oil cylinder (12) is fixed on die holder (2), core pulling set oil cylinder (12)
Connecting plate is installed on mandril, the positioning plate (13) is longitudinally mounted between two core pulling set oil cylinders (12), and with being connected
The connecting rod of lateral arrangement is connected on plate, and the positioning plate (13) is provided with core pulling noose on the side of die holder (2)
Structure (14), one end of the core pulling nested structure (14) are disposed with core pulling end protrusion (15), and core pulling end protrusion (15) is inserted into
In die cavity, the connecting plate is provided with two inner core pullings arranged up and down close to core pulling set one middle side part of oil cylinder (12) mandril
Oil cylinder (28), the mandril of inner core pulling oil cylinder (28) are extend into core pulling nested structure (14), the mandril of two inner core pulling oil cylinders (28)
On be separately installed with core_pulling pole (17) and lower core_pulling pole (16).
A kind of 2. mould with dual pulled core structure according to claim 1, it is characterised in that:The core pulling set oil
Connecting plate on cylinder (12) mandril, is connected by four connecting rods on corner location with the both ends of positioning plate (13), described
Positioning plate (13) both ends are provided with the straight slot to match with core pulling set oil cylinder (12).
A kind of 3. mould with dual pulled core structure according to claim 1, it is characterised in that:The preceding core pulling knot
The Loose core block of structure (8) is disposed with the flow path groove (23) connected with die cavity, the flow path groove (23) close to one end top of die cavity
The one end being connected with die cavity is downwardly inclined, and the Loose core block upper end of preceding pulled core structure (8) is provided with sprue bush (19), described
Spreader (22) is installed below sprue bush (19), the upper end of spreader (22) is connected with flow path groove (23).
A kind of 4. mould with dual pulled core structure according to claim 3, it is characterised in that:The spreader
(22) it is embedded into the Loose core block upper surface of preceding pulled core structure (8), spreader (22) upper end is arranged close to flow path groove (23) rear portion
There is the spreader runner (24) connected with flow path groove (23), the front portion of the spreader (22) upper end is disposed with raised platform
(26), the raised platform (26) is in semi-cylindrical, and raised platform (26) is disposed with inclination and cuts close to spreader runner (24) side
Mouthful, described spreader runner (24) both sides have been arranged symmetrically closure protrusion (27), and closure protrusion (27) is close to raised
Platform (26) one end is protruded towards spreader runner (24) centerline direction, forms throat structure (25).
A kind of 5. mould with dual pulled core structure according to claim 1, it is characterised in that:The preceding core pulling knot
Structure (8), rear pulled core structure (11) and fixed with right pulled core structure (10) by arc bracket (18) and the outside of die holder (2),
The arc bracket (18) is in both ends towards the curved arc platy structure in die holder (2) direction, the bending of arc bracket (18)
End is connected with die holder (2), and mandril is provided with the middle part of the arc bracket (18) through the core pulling oil of arc bracket (18)
Cylinder.
A kind of 6. mould with dual pulled core structure according to claim 1, it is characterised in that:The core pulling surveyed after being located at
Two travel switches (20), the connecting plate of core pulling set oil cylinder (12) has been mounted side by side in the trailing flank lower, transverse of set oil cylinder (12)
Lower part the travel switch trip bar that lateral arrangement and travel switch (20) match is installed, be disposed with travel switch trip bar
The travel switch protruding block (21) to match with travel switch (20).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711264538.3A CN107900307B (en) | 2017-12-05 | 2017-12-05 | Mould with dual core-pulling structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711264538.3A CN107900307B (en) | 2017-12-05 | 2017-12-05 | Mould with dual core-pulling structure |
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Publication Number | Publication Date |
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CN107900307A true CN107900307A (en) | 2018-04-13 |
CN107900307B CN107900307B (en) | 2024-02-23 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112958754A (en) * | 2021-02-02 | 2021-06-15 | 哈尔滨工业大学 | Local loading forced feeding and core-pulling device of large aluminum alloy extrusion casting die |
CN115815566A (en) * | 2023-01-10 | 2023-03-21 | 宁波瑞立机械有限公司 | Vacuumizing die-casting die of automobile rear base support |
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CN207577390U (en) * | 2017-12-05 | 2018-07-06 | 浙江华朔科技股份有限公司 | A kind of mold with dual pulled core structure |
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CN105215324A (en) * | 2015-10-23 | 2016-01-06 | 宁波华朔模具机械有限公司 | A kind of die casting with four pulled core structures |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN112958754A (en) * | 2021-02-02 | 2021-06-15 | 哈尔滨工业大学 | Local loading forced feeding and core-pulling device of large aluminum alloy extrusion casting die |
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