CN207736679U - A kind of core structure of plastic mould - Google Patents
A kind of core structure of plastic mould Download PDFInfo
- Publication number
- CN207736679U CN207736679U CN201721832091.0U CN201721832091U CN207736679U CN 207736679 U CN207736679 U CN 207736679U CN 201721832091 U CN201721832091 U CN 201721832091U CN 207736679 U CN207736679 U CN 207736679U
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- CN
- China
- Prior art keywords
- core
- end plate
- convex block
- plastic mould
- tubular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of core structures of plastic mould,Including core shell,Core shell lower end is provided with core end plate,Core end plate between fixing pin and core shell by being fixedly connected,It is provided with installation convex block on core end plate central point,Installation convex block periphery is provided with the locating slot of annular,In locating slot locking hole is provided in inner wall vertical direction,Installation convex block has been connected through a screw thread adjustable core,And adjustable core lower end is inserted into locating slot,It is provided with injection hole on core end plate,By the setting that core is adjusted,When carrying out plastic-injection molding,It can be very good the tubular core inside dismounting,To which thickness different molded part be made when injection molding,It can be very good to meet different making demands,Improve the molding efficiency of tubular moulding,Pass through internal multi-level tubular core setting,It can be after injection molding,Internal tubular core is disassembled,It is cleaned and is repaired,It is worthy to be popularized.
Description
Technical field
The utility model is related to plastic mould technical field, specially a kind of core structure of plastic mould.
Background technology
Plastic mould is a kind of abbreviation being used for compression moulding, extrusion molding, injection, blowing and the molding sectional die of low ratio foamed.
Mold punch and matrix and assistant formation system coordination variation, can process different shape, a series of various sizes of plastics.
In recent years, with plastics industry rapid development and general and engineering plastics intensity and precision etc. no
Disconnected to improve, the application range of plastic products is also constantly expanding, such as：Household electrical appliance, instrument and meter, construction equipment, auto industry,
The various fields such as haberdashery and hardware, the ratio shared by plastic products just rapidly increase.The plastic part of one reasonable design tends to generation
For multiple conventional metals parts, the trend of industrial products and daily product plastic constantly rises.
Application No. is CN201120237297.5, it is entitled it is a kind of for engine ABS piston high-precision injection moldings processing
The utility model patent of core is embedded on the rear mold of product processing mold, and core have expose to product processing mold
End among vessel, it is copper shell that feature, which is the end of the core, and the appearance and circular casing of copper shell
Internal face shape match；Or the generally copper body of the core, the end appearance of core and the inner wall of circular casing
Face shape matches, and interts among core equipped with axial steel rib and radial steel muscle ring.The type of the utility model
Cored structure is applied to the Shooting Technique of ABS pistons, compared to the prior art：It can effectively inhibit core under distinct temperature environment
Tolerance variation improves deviation from circular from caused by ABS piston products are shunk, to improve Product Precision.
But during core use, many problems are frequently encountered, such as：
（1）When core uses, many cores are fixed structure, it is desirable to the modeling of injection molding different-thickness
When glue part, many inconvenience is brought；
（2）Cores many at present after long-time use, can all have remaining residue, cause core that cannot normally make
With.
Invention content
In order to overcome the shortcomings of that prior art, the utility model provide a kind of core structure of plastic mould, can have
Effect solves the problems, such as that background technology proposes.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of core structure of plastic mould, including core shell, core shell lower end are provided with core end plate, institute
Core end plate is stated by being fixedly connected between fixing pin and core shell, it is convex that installation is provided on the core end plate central point
Block, the installation convex block periphery are provided with the locating slot of annular, locking are provided in inner wall vertical direction in the locating slot
Hole, the installation convex block has been connected through a screw thread adjustable core, and adjustable core lower end is inserted into locating slot, the core
Injection hole is provided on end plate；
The adjustable core includes bed die, is provided with several ring-shaped grooves on the bed die, in the ring-shaped groove
It is inserted into tubular core, and is fitted closely between each tubular core, is stood wherein innermost tubular core is internally provided with the center of circle
Column, installation groove is provided on the bed die, and the installation groove shape matches with installation convex block, is provided in the bed die
Undercut, the undercut inside are inserted into removable pin, are provided with spring on the outside of the removable pin, the removable pin lower end, which is provided with, stirs
Button, the button of stirring run through bed die.
Further, the core shell includes housing main body, and pin perforation, the pin are provided on the housing main body
Nail perforation outside is provided with fixed perforation normal thereto, and positioning bolt has been connected through a screw thread in the fixed perforation, described
Housing main body is internally provided with enhancing arbor.
Further, it is provided with sealing ring on the outside of the injection hole, the sealing ring is internally provided with several annular sides
Ear.
Further, section is provided on the outside of the core end plate for the anti-skidding card slot of arc, inside the anti-skidding card slot
It is provided with anti-skidding adhesive tape.
Further, the removable pin end is provided with inclined surface, and the inclined surface angle of inclination is 30 ° -45 °.
Further, the center of circle the upper end of the column has been connected through a screw thread top blind flange.
Compared with prior art, the utility model has the beneficial effects that：
（1）The utility model can be very good by the way that the setting of core is adjusted when carrying out plastic-injection molding
Tubular core inside dismounting can be very good to meet not to which thickness different molded part be made when injection molding
Same making demand, improves the molding efficiency of tubular moulding；
（2）The utility model is arranged by internal multi-level tubular core, can be after injection molding, by inside
Tubular core disassembles, and is cleaned and is repaired, and the service life of entire mold cores is improved, and replaceable design ensures
Being normally carried out for work, is worthy to be popularized.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the adjustable type cored structure schematic diagram of the utility model.
Figure label：
1- core shells, 2- core end plates, 3- fixing pins, 4- install convex block, 5- annular positioning grooves, 6- locking holes, 7-
Adjustable core, 8- injection holes, 9- sealing rings, 10- sealings are picked up the ears, the anti-skidding card slots of 11-, the anti-skidding adhesive tape of 12-；
701- bed dies, 702- ring-shaped grooves, 703- tubular cores, the centers of circle 704- column, 705- installation grooves, 706- are dark
Slot, 707- removable pins, 708- springs, 709- stir button, the inclined surface 710-, 711- top blind flanges；
101- housing main bodies, the perforation of 102- pins, 103- fix perforation, 104- positioning bolts, and 105- enhances arbor.
Specific implementation mode
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, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figures 1 and 2, the utility model provides a kind of core structure of plastic mould, including core shell 1,
1 lower end of core shell is provided with core end plate 2, and the core end plate 2 passes through solid between fixing pin 3 and core shell 1
It is fixed to connect, installation convex block 4 is provided on 2 central point of core end plate, 4 periphery of the installation convex block is provided with the positioning of annular
Slot 5, the locating slot 5 is interior to be provided with locking hole 6 in inner wall vertical direction, and when in use, adjustable core 7 is fixed
On core end plate 2, then core end plate 2 is fixed on by fixing pin 3 on core shell 1, is put into inside injection mold,
The installation convex block 4 has been connected through a screw thread adjustable core 7, and adjustable 7 lower end of core is inserted into locating slot 5, the type
Be provided with injection hole 8 on core end plate 2, the thermoplastic of molding internally added by injection hole 8, core shell 1 with it is adjustable
In the gap formed between nodal pattern core 7, by thermoplastic injection molding；
It should be added that as shown in Fig. 2, the adjustable core 7 includes bed die 701, set on the bed die 701
Several ring-shaped grooves 702 are equipped with, are inserted into tubular core 703 in the ring-shaped groove 702, and between each tubular core 703
It fits closely, when the plastic parts injection molding for carrying out tubular, when needing injection molding different-thickness, can voluntarily adjust
The quantity of internal tubular core 703, the thickness in the gap to be formed between adjustment type core housing 1 and adjustable core 7, reaches
The injection molding of living of different-thickness plastic parts uses, and after injection molding, can removing internal tubular core 703, carry out
Cleaning and repair can be replaced when some tubular core 703 is when breaking down, to keep the normal use of entire core,
Wherein innermost tubular core 703 is internally provided with center of circle column 704, and installation groove 705 is provided on the bed die, described
Installation groove shape 705 matches with installation convex block 4, and undercut 706 is provided in the bed die 701, and 706 inside of the undercut is inserted
Entering removable pin 707,707 outside of the removable pin is provided with spring 708, and 707 lower end of the removable pin, which is provided with, stirs button 709,
The button 709 of stirring runs through bed die 701, when installation, rotates bed die 701, passes through the screw thread on 705 inner wall of installation groove
It links together between installation convex block 4, and removable pin 707 is in close contact with 5 inner wall of annular positioning groove, when bed die 701 rotates
When to designated position, removable pin 707 is inserted under the promotion of spring 708 inside locking hole 6, and core 7 will entirely be adjusted
It fixes, adjustable core 7 is avoided to shake, it, can be in manual toggle when needing to dismantle internal adjustable core 7
Button 709 is stirred in portion so that removable pin 707 is detached from locking hole 6.
It should be added that the core shell 1 includes housing main body 101, it is provided on the housing main body 101
Pin perforation 102,102 outside of pin perforation are provided with fixed perforation 103 normal thereto, in the fixed perforation 103
It is connected through a screw thread positioning bolt 104, the positioning bolt 104 of insertion locks internal fixing pin 3, avoids fixing pin
3 the case where falling off, increased the stability of integral device, and the housing main body 101 is internally provided with enhancing arbor 105,
The structural stability for improving core shell 1, avoiding being under pressure deforms upon.
As preferred embodiment, 8 outside of the injection hole is provided with sealing ring 9, and the sealing ring 9 is internally provided with
Several annulars pick up the ears 10, it is ensured that the leakproofness inside injection hole 8, the plastic cement overflowed accidentally when injection molding will not be revealed
Entire mold is polluted, spatter property is improved.
As preferred embodiment, 2 outside of the core end plate is provided with the anti-skidding card slot 11 that section is arc, described
Anti-skidding card slot 11 is internally provided with anti-skidding adhesive tape 12 so that 2 outside of core end plate has better frictional force, when installation
Improve structure skid resistance.
As preferred embodiment, 707 end of the removable pin is provided with inclined surface 710, and the inclined surface 710 tilts
Angle is 30 ° -45 °, facilitates and removes removable pin 707 from 6 inside of locking hole, saves the shift motion of removable pin 707.
As preferred embodiment, 704 upper end of center of circle column has been connected through a screw thread top blind flange 711, from upper
The case where holding fixed tubular core 703, tubular core 703 is avoided to fall off when in use, improves the safety of equipment
Property.
In conclusion the utility model is mainly characterized by：
（1）The utility model can be very good by the way that the setting of core is adjusted when carrying out plastic-injection molding
Tubular core inside dismounting can be very good to meet not to which thickness different molded part be made when injection molding
Same making demand, improves the molding efficiency of tubular moulding；
（2）The utility model is arranged by internal multi-level tubular core, can be after injection molding, by inside
Tubular core disassembles, and is cleaned and is repaired, and the service life of entire mold cores is improved, and replaceable design ensures
Being normally carried out for work, is worthy to be popularized.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (6)
1. a kind of core structure of plastic mould, including core shell（1）, the core shell（1）Lower end is provided with core end
Plate（2）, the core end plate（2）Pass through fixing pin（3）With core shell（1）Between be fixedly connected, it is characterised in that：It is described
Core end plate（2）Installation convex block is provided on central point（4）, the installation convex block（4）Periphery is provided with the locating slot of annular
（5）, the locating slot（5）It is interior to be provided with locking hole in inner wall vertical direction（6）, the installation convex block（4）Connected by screw thread
It is connected to adjustable core（7）, and adjustable core（7）Locating slot is inserted into lower end（5）It is interior, the core end plate（2）On be provided with
Injection hole（8）；
The adjustable core（7）Including bed die（701）, the bed die（701）On be provided with several ring-shaped grooves（702）,
The ring-shaped groove（702）Interior insertion tubular core（703）, and each tubular core（703）Between fit closely, wherein most interior
The tubular core of side（703）It is internally provided with center of circle column（704）, installation groove is provided on the bed die（705）, the peace
Fill groove（705）Shape and installation convex block（4）Match, the bed die（701）Inside it is provided with undercut（706）, the undercut
（706）Removable pin is inserted into inside（707）, the removable pin（707）Outside is provided with spring（708）, the removable pin（707）Under
End, which is provided with, stirs button（709）, described to stir button（709）Through bed die（701）.
2. a kind of core structure of plastic mould according to claim 1, it is characterised in that：The core shell（1）Packet
Include housing main body（101）, the housing main body（101）On be provided with pin perforation（102）, the pin perforation（102）Outside
It is provided with fixed perforation normal thereto（103）, the fixed perforation（103）Inside it has been connected through a screw thread positioning bolt（104）,
The housing main body（101）It is internally provided with enhancing arbor（105）.
3. a kind of core structure of plastic mould according to claim 1, it is characterised in that：The injection hole（8）Outside
It is provided with sealing ring（9）, the sealing ring（9）Several annulars are internally provided with to pick up the ears（10）.
4. a kind of core structure of plastic mould according to claim 1, it is characterised in that：The core end plate（2）Outside
Side is provided with the anti-skidding card slot that section is arc（11）, the anti-skidding card slot（11）It is internally provided with anti-skidding adhesive tape（12）.
5. a kind of core structure of plastic mould according to claim 1, it is characterised in that：The removable pin（707）End
End is provided with inclined surface（710）, the inclined surface（710）Angle of inclination is 30 ° -45 °.
6. a kind of core structure of plastic mould according to claim 1, it is characterised in that：The center of circle column（704）
Upper end has been connected through a screw thread top blind flange（711）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721832091.0U CN207736679U (en) | 2017-12-25 | 2017-12-25 | A kind of core structure of plastic mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721832091.0U CN207736679U (en) | 2017-12-25 | 2017-12-25 | A kind of core structure of plastic mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207736679U true CN207736679U (en) | 2018-08-17 |
Family
ID=63119372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721832091.0U Expired - Fee Related CN207736679U (en) | 2017-12-25 | 2017-12-25 | A kind of core structure of plastic mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207736679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113841479A (en) * | 2021-11-09 | 2021-12-28 | 安徽农业大学 | Capsule-shaped potato seed mold with adjustable wall thickness and use method |
-
2017
- 2017-12-25 CN CN201721832091.0U patent/CN207736679U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113841479A (en) * | 2021-11-09 | 2021-12-28 | 安徽农业大学 | Capsule-shaped potato seed mold with adjustable wall thickness and use method |
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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: 20180817 Termination date: 20201225 |