CN208245788U - A kind of mould structure of curved pin core-pulling mechanism - Google Patents
A kind of mould structure of curved pin core-pulling mechanism Download PDFInfo
- Publication number
- CN208245788U CN208245788U CN201820649366.5U CN201820649366U CN208245788U CN 208245788 U CN208245788 U CN 208245788U CN 201820649366 U CN201820649366 U CN 201820649366U CN 208245788 U CN208245788 U CN 208245788U
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- China
- Prior art keywords
- plate
- core
- curved pin
- pulling mechanism
- die
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of mould structures of curved pin core-pulling mechanism, are complemented each other to form including the cope plate being mutually interlocked and lower template, between cope plate and lower template with closed die cavity.Upper clamping plate is equipped with above cope plate, upper clamping plate one side is equipped with curved pin core-pulling mechanism, is equipped with curved pin, sliding block, side core and core pulling pin, side core in curved pin core-pulling mechanism and protrudes into die cavity.Upper clamping plate another side is equipped with swing hook fixed distance parting strain structure, swing hook fixed distance parting strain structure is equipped with swing hook, controlled interval pull rod and pull-rod spring, swing hook is fixed by screws in lower template, and controlled interval pull rod passes through swing hook and peaks on upper clamping plate, and spring pocket is in controlled interval pull rod.The first die joint is equipped between upper clamping plate and cope plate, it is equipped with concave template in lower template, the second die joint is equipped between lower template and concave template, spring is equipped between upper clamping plate and cope plate, for cooperating the parting of swing hook fixed distance parting strain structure, guarantee the smoothness entirely demoulded.
Description
Technical field
The utility model relates to technical field of mold field more particularly to a kind of mould structures of curved pin core pulling.
Background technique
Current core-pulling mechanism has artificial core-pulling mechanism, motor-driven core-pulling mechanism and hydraulic core pulling mechanism.Artificial core-pulling mechanism
It is after die sinking, by manually taking out side core or insert together, by separating product with type core outside mould, manually
Core-pulling mechanism structure is simple, easily manufactured, but troublesome in poeration, and productivity is extremely low, and labor intensity of workers is big, and quality of item is poor,
Safety of workers is difficult to ensure.Motor-driven pulled core structure, by the mould opening force of die casting machine when it is die sinking, by driving parts, by side
The extraction of type core, Core-pulling force is big, high production efficiency, easy to operate, reliable in action, but core-pulling mechanism is mounted on mould inside and causes
Template size is too big, and cost improves.Hydraulic core pulling mechanism, it is the extraction that side core is completed by hydraulic system, its core pulling
Power is big, stable action, but mold must manufacture more auxiliary component, while cannot complete the internal product for having many places to need core pulling
Core pulling action is completed on same sliding block.
Utility model content
In order to solve the problems of the above-mentioned prior art, the utility model proposes a kind of motor-driven core-pulling mechanisms, will take out
Core mechanism is set to mold exterior, the method for being extracted out side core using the mould opening force of die casting machine.
The technical solution of the utility model is achieved in that
A kind of mould structure of curved pin core-pulling mechanism, including upper die and lower die, curved pin core-pulling mechanism and swing hook Given-distance Parting are drawn
Tight mechanism, a closed die cavity is complemented each other to form between the upper die and lower die, and the upper mold the top is equipped with locating ring, institute
It states and is equipped with upper clamping plate below locating ring, cope plate is equipped with below the upper clamping plate, is equipped with sprue bush in the upper clamping plate,
The sprue bush is located at the underface of the locating ring, is equipped with die insert below the cope plate, outside the die insert
Equipped with concave template, the die insert is mounted in concave template, and the curved pin core-pulling mechanism is mounted on the one of the upper clamping plate
Side is equipped with curved pin in the curved pin core-pulling mechanism, is equipped with sliding block below the curved pin, the curved pin is mounted on the sliding block
In, side core is equipped in the sliding block, the side core front end is protruded into the die cavity, lower template is equipped with below the die cavity,
Type core is equipped in the lower template, type core front end is located in the die cavity, and backing plate, the cavity plate are equipped with below the sliding block
Pusher plate, the pusher plate upper surface fitting and the die cavity, the swing hook fixed distance parting strain structure installation are equipped with below plate
On the another side of the upper clamping plate, swing hook, controlled interval pull rod and pull rod are equipped in the swing hook fixed distance parting strain structure
Spring, the pusher plate lower section are equipped with lower mold fixed plate, and the swing hook is fixed on the side of the lower mold fixed plate, the pendulum
Hook is equipped with controlled interval pull rod hole, and the controlled interval pull rod is mounted on the swing hook by controlled interval pull rod hole, the pull-rod spring set
In the controlled interval pull rod, the pull-rod spring upper end peaks at the upper clamping plate, and the pull-rod spring lower end peaks at the pendulum
On hook.
In the mould structure of this curved pin core-pulling mechanism of the utility model, set between the upper clamping plate and cope plate
There is spring, the spring is mounted in the cope plate.
Sprue is equipped in the mould structure of this curved pin core-pulling mechanism of the utility model, in the cope plate to serve as a contrast
Set, the sprue bush are mounted in the sprue bush, cope plate and die insert, and the sprue bush lower part is equipped with
Installation base, the cope plate lower end surface are equipped with installation groove corresponding with the sprue bush.
In the mould structure of this curved pin core-pulling mechanism of the utility model, the curved pin is fixed by screws in described
On upper clamping plate, the curved pin and the upper clamping plate also pass through positioning finger setting.
In the mould structure of this curved pin core-pulling mechanism of the utility model, push rod is equipped in the lower die, it is described to push away
Bar front end is protruded into the die cavity, and the push rod front end is equipped with mold insert, and the push rod is equipped with mold insert mounting hole.
In the mould structure of this curved pin core-pulling mechanism of the utility model, the cope plate and the upper clamping plate it
Between be equipped with the first die joint, between the lower template and the concave template be equipped with the second die joint.
In the mould structure of this curved pin core-pulling mechanism of the utility model, the swing hook lower end is equipped with barb, described
Lower mold fixed plate is equipped with barb slot, and the barb is mounted in the barb slot.
In the mould structure of this curved pin core-pulling mechanism of the utility model, sliding block pin, institute are equipped in the sliding block
Sliding block pin is stated across the side core and the sliding block, the side core is fixed in the sliding block.
In the mould structure of this curved pin core-pulling mechanism of the utility model, the sliding block is equipped with retaining screw, the gear
Nail is fixed by a pin on the concave template, and retaining screw sliding slot is equipped in the sliding block.
The mould structure for implementing this curved pin core-pulling mechanism of the utility model, has the advantages that and takes out curved pin
Core mechanism is arranged outside mold, the size reduction of mold can be saved die manufacturing cost.
Detailed description of the invention
Fig. 1 is the mould structure cross-sectional view of the curved pin core-pulling mechanism of the utility model；
Fig. 2 is the partial sectional view of swing hook fixed distance parting strain structure in Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
As shown in Fig. 1 to 2, the mould structure of this curved pin core-pulling mechanism is by upper mold 100, lower die 200, curved pin core-pulling mechanism
It is formed with swing hook fixed distance parting strain structure, upper mold 100 and lower die 200 are engaged to form a closed die cavity 19.
The top of upper mold 100 is equipped with locating ring 10, is equipped with upper clamping plate 16 below locating ring 10, among upper clamping plate 16
Equipped with sprue bush 12, sprue bush 12 is mounted on the underface of locating ring 10, and locating ring 10 is fixed by screws in upper clamping plate 16
On, first sprue bush 12 is mounted in upper clamping plate 16 when installing sprue bush 12, sprue bush is then pressed in by locating ring 10
On.It is equipped with cope plate 17 below upper clamping plate 16, sprue bush 11 is equipped among cope plate 17, is equipped with below cope plate 17 recessed
Mould mold insert 15, sprue bush 11 are mounted on the underface of sprue bush 12, and sprue bush 11 passes through die insert 15 and is placed in mould
In chamber 19,11 lower part of sprue bush is equipped with installation base, and 17 lower end surface of cope plate is equipped with corresponding with sprue bush 11
Installation groove.It is equipped with spring 13 among cope plate 17 and upper clamping plate 16, spring groove is equipped in cope plate 17, spring 13 is installed
In the spring groove in cope plate 17.Curved pin core-pulling mechanism is mounted on the narrow side of upper clamping plate 16, in curved pin core-pulling mechanism
Equipped with curved pin 36, sliding block 34, side core 35 and retaining screw 37, curved pin 36 is fixed on upper clamping plate 16 by screw and positioning pin.
It is equipped with concave template 18 outside die insert 15, backing plate 33 and pusher plate 20,15 lower section of die insert are equipped with below concave template 18
It is die cavity 19, is lower template 14 below die cavity 19, is equipped with type core 32 and bolt type type core 31 in lower template 14, type core 32 is mounted on
The centre of cope plate 17 and pusher plate 20 is fixed by interference fit.Bolt type type core 31 is equipped with screw thread, sets in lower template 14
There is internal whorl corresponding with bolt type type core 31, is threadably secured.Sliding block 34 is mounted on concave template 18 and backing plate 33
Centre, side core 35 are fixed on sliding block 34 by a pin, and 35 front end of side core is protruded into die cavity 19, are equipped in sliding block 34
The curved cotter way that curved pin 36 passes through, curved pin 36 passes through curved cotter way and sliding block 34 cooperates.Retaining screw 37 is fixed by a pin to concave template 18
On, retaining screw sliding slot 38 is equipped in sliding block 34, retaining screw sliding slot 38 is used to control the movement travel of sliding block 34.Pusher plate 20 is mounted on down
In mould 200, it is equipped with lower mold fixed plate 21 below pusher plate 20, is equipped with support plate 22 below lower mold fixed plate 21, under support plate 22
It is square to be equipped with lower die holder plate 25, it is equipped with push plate 24 above lower die holder plate 25, is equipped with and limits among push plate 24 and lower die holder plate 25,30,
Ejector pin retaining plate 23 is equipped with above push plate 24, push plate 24 and ejector pin retaining plate 23 are fixed by screw.It is set on ejector pin retaining plate 23
There is sprue puller 29, sprue puller 29 passes through ejector pin retaining plate 23, support plate 22, lower mold fixed plate 21 and lower template 14 and is placed in die cavity 19
In.Lower die holder plate 25, push plate 24 are equipped with push plate guide post 28 between 23 support plates 22 of ejector pin retaining plate and position, and push plate 24
It is slided on push plate guide post 28 with ejector pin retaining plate 23, push plate guide post guide sleeve 27 is equipped in push plate 24 and ejector pin retaining plate 23,
By the friction between push plate guide post 28 and push plate guide post guide sleeve 27, can be led to avoid push plate 24 and ejector pin retaining plate 23 with push plate
The friction of column 28 extends die life.On ejector pin retaining plate 23 be equipped with push rod 26, push rod 26 some pass through push rod
Fixed plate 23, support plate 22, lower mold fixed plate 21 and pusher plate 20 are placed on 33 lower end surface of backing plate.Push rod 26 some pass through
26 fixed plate 23 of push rod, support plate 22, lower mold fixed plate 21 and lower template 14 are placed in die cavity.Push rod 26 is equipped in some
Mold insert 261 is equipped with mold insert hole in part push rod 26.Swing hook fixed distance parting strain structure is mounted on the long side surface of upper clamping plate 16
On, swing hook 41, controlled interval pull rod 40 and pull-rod spring 39 are equipped in swing hook fixed distance parting strain structure, it is solid that swing hook 41 is fixed on lower die
On the side of fixed board 21, swing hook 41 is equipped with controlled interval pull rod hole, and controlled interval pull rod 40 is mounted on swing hook 41 by controlled interval pull rod hole,
39 sets of pull-rod spring in controlled interval pull rod 40,39 upper end of pull-rod spring peaks at upper clamping plate 16, and 39 lower end of pull-rod spring peaks at pendulum
On hook 41,41 lower end of swing hook is equipped with barb, and lower mold fixed plate 21 is equipped with barb slot, and barb is mounted in barb slot.
Preferably, being mounted on mold exterior in curved pin core-pulling mechanism effectively reduces mould volume, mold processing is reduced
Cost.Since sliding block 34 and curved pin 36 are all disposed in upper mold 100, for the parting reliable in action for making 100 part of upper mold, use
Swing hook fixed distance parting strain structure, it is contemplated that may have gap between swing hook 41 and lower mold fixed plate 21, in upper mold
It is equipped with the first die joint between plate 17 and upper clamping plate 16, and spring 13 is used to assist the die joint with first time parting.
In die sinking, under the action of spring 13 and swing hook fixed distance parting strain structure, the first die joint parting.During parting,
Curved pin 36 extracts side core 35 out with movable slider 34, and when swing hook 41 encounters controlled interval pull rod 40, swing hook 41 is swung out, and is detached from lower die
Fixed plate 21, then concave template 18 is moved by limitation, and 200 mould of lower die continues to retreat, set between lower template 14 and concave template 18
There is the second die joint, mold the second die joint parting, when release is released jointly by pusher plate 20 and push rod 26, is finally taken by worker
Lower product.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, made any modification, equivalent replacement and improvement etc. should be included in the utility model
Protection scope within.
Claims (9)
1. a kind of mould structure of curved pin core-pulling mechanism, including upper die and lower die, curved pin core-pulling mechanism and swing hook Given-distance Parting tense
Mechanism, which is characterized in that a closed die cavity is complemented each other to form between the upper die and lower die, the upper mold the top is equipped with
Locating ring, the locating ring lower section are equipped with upper clamping plate, cope plate are equipped with below the upper clamping plate, is set in the upper clamping plate
There is sprue bush, the sprue bush is located at the underface of the locating ring, is equipped with die insert, the cavity plate below the cope plate
Concave template is equipped with outside mold insert, the die insert is mounted in concave template, and the curved pin core-pulling mechanism is mounted on the upper mold
The one side of seat board is equipped with curved pin in the curved pin core-pulling mechanism, is equipped with sliding block below the curved pin, the curved pin is mounted on institute
It states in sliding block, side core is equipped in the sliding block, the side core front end is protruded into the die cavity, is equipped with down below the die cavity
Template is equipped with type core in the lower template, and type core front end is located in the die cavity, equipped with backing plate, institute below the sliding block
It states and is equipped with pusher plate below concave template, the pusher plate upper surface fitting and the die cavity, the swing hook Given-distance Parting fastener
Structure is mounted on the another side of the upper clamping plate, and swing hook, controlled interval pull rod are equipped in the swing hook fixed distance parting strain structure
And pull-rod spring, the pusher plate lower section are equipped with lower mold fixed plate, the swing hook is fixed on the side of the lower mold fixed plate,
The swing hook is equipped with controlled interval pull rod hole, and the controlled interval pull rod is mounted on the swing hook by controlled interval pull rod hole, the pull rod
For spring pocket in the controlled interval pull rod, the pull-rod spring upper end peaks at the upper clamping plate, and the pull-rod spring lower end peaks at
On the swing hook.
2. a kind of mould structure of curved pin core-pulling mechanism according to claim 1, it is characterised in that: the upper clamping plate and
Spring is equipped between cope plate, the spring is mounted in the cope plate.
3. a kind of mould structure of curved pin core-pulling mechanism according to claim 1, it is characterised in that: set in the cope plate
There is sprue bush, the sprue bush is mounted in the sprue bush, cope plate and die insert, the sprue lining
It covers lower part and is equipped with installation base, the cope plate lower end surface is equipped with installation groove corresponding with the sprue bush.
4. a kind of mould structure of curved pin core-pulling mechanism according to claim 1, it is characterised in that: the curved pin passes through spiral shell
Nail is fixed on the upper clamping plate, and the curved pin and the upper clamping plate also pass through positioning finger setting.
5. a kind of mould structure of curved pin core-pulling mechanism according to claim 1, it is characterised in that: be equipped in the lower die
Push rod, the push rod front end are protruded into the die cavity, and the push rod front end is equipped with mold insert, and the push rod is equipped with mold insert mounting hole.
6. a kind of mould structure of curved pin core-pulling mechanism according to claim 1, it is characterised in that: the cope plate and institute
It states and is equipped with the first die joint between upper clamping plate, the second die joint is equipped between the lower template and the concave template.
7. a kind of mould structure of curved pin core-pulling mechanism according to claim 1, it is characterised in that: the swing hook lower end is set
There is barb, the lower mold fixed plate is equipped with barb slot, and the barb is mounted in the barb slot.
8. a kind of mould structure of curved pin core-pulling mechanism according to claim 1, it is characterised in that: be equipped in the sliding block
Sliding block pin, the sliding block pin pass through the side core and the sliding block, the side core are fixed in the sliding block.
9. a kind of mould structure of curved pin core-pulling mechanism according to claim 1, it is characterised in that: the sliding block is equipped with
Retaining screw, the retaining screw are fixed by a pin on the concave template, and retaining screw sliding slot is equipped in the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820649366.5U CN208245788U (en) | 2018-05-03 | 2018-05-03 | A kind of mould structure of curved pin core-pulling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820649366.5U CN208245788U (en) | 2018-05-03 | 2018-05-03 | A kind of mould structure of curved pin core-pulling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208245788U true CN208245788U (en) | 2018-12-18 |
Family
ID=64634819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820649366.5U Expired - Fee Related CN208245788U (en) | 2018-05-03 | 2018-05-03 | A kind of mould structure of curved pin core-pulling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208245788U (en) |
-
2018
- 2018-05-03 CN CN201820649366.5U patent/CN208245788U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20190503 |