CN110385840A - A kind of injection mold ejector sleeve and straight mandril off course liftout attachment simultaneously - Google Patents
A kind of injection mold ejector sleeve and straight mandril off course liftout attachment simultaneously Download PDFInfo
- Publication number
- CN110385840A CN110385840A CN201910731872.8A CN201910731872A CN110385840A CN 110385840 A CN110385840 A CN 110385840A CN 201910731872 A CN201910731872 A CN 201910731872A CN 110385840 A CN110385840 A CN 110385840A
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- CN
- China
- Prior art keywords
- ejector sleeve
- seat
- spring
- sleeve seat
- core
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of injection mold ejector sleeves and straight mandril off course liftout attachment, including ejector sleeve seat, spring simultaneously.The ejector sleeve seat that the present invention uses is equipped with connector, seat stand, core slideway, spring groove；Ejector sleeve is fixedly connected on the upper surface of ejector sleeve seat through connector, and the lumen of ejector sleeve is communicated with the core slideway of ejector sleeve seat and the two axis is overlapped, and ejector sleeve seat is fixedly connected through seat stand with the bottom plate of dynamic model, and spring is located in spring groove；Core bar slides in the lumen of core slideway and ejector sleeve, and core bar lower end is fixedly connected with the bottom plate of dynamic model；When demoulding work, top plate drives the straight upward pushing tow product of mandril, meanwhile, spring drives the socket cap of the upward pushing tow product of ejector sleeve through ejector sleeve seat, this is while ejecting；When spring force is finished, ejector sleeve stops, and top plate continues the technical solution for the off course ejection for driving straight mandril that product is pushed away to dynamic mould core upwards, and making injection mold ejector sleeve and straight mandril, off course ejects simultaneously, has achieved the purpose that reduce cost, has eliminated accident risk.
Description
Technical field
Article removal is ejected the present invention relates to a kind of ejection stripping device of injection mold, in particular to for injection mold
A kind of injection mold ejector sleeve and straight mandril off course liftout attachment simultaneously.
Background technique
Illustrate: ejector sleeve is the element that a kind of injection mold is used for moulded products blind hole cylinder header structure, and ejector sleeve is by ejector sleeve core
Bar and ejector sleeve ejector sleeve are constituted, and ejector sleeve core bar and ejector sleeve ejector sleeve are briefly referred to as core bar and ejector sleeve below；Straight mandril is a kind of note
Mould is used to push the element of article removal；When demoulding, straight mandril and ejector sleeve pushing tow article removal simultaneously, the difference of the two
It is that straight mandril is responsible for pushing away entire product into dynamic mould core, and pushing tow stroke is long；And ejector sleeve need to only push away the blind hole socket cap of product
From the core bar and dynamic mould core, pushing tow stroke is short；That is, the pushing tow work of straight mandril and ejector sleeve is off course simultaneously；In addition, ejector sleeve
For thin-walled tubular structure, pushing tow stroke length is easy to fracture, thus ejector sleeve with straight mandril cannot eject with journey；For straight mandril
Machine is arranged using two sets of top plates of mandril top plate and ejector sleeve top plate in off course, the prior art simultaneously with the pushing tow need of work of ejector sleeve
Tool drag hook, wherein mandril top plate carries straight mandril, and ejector sleeve top plate carries ejector sleeve, and when demoulding, mandril top plate drives through mechanical drag hook
The upward ejection simultaneously of ejector sleeve top plate, realizes that straight mandril ejects upwards simultaneously with ejector sleeve, this is simultaneously；It is mechanical when ejector sleeve top journey finishes
Drag hook breaks off relations, ejector sleeve top plate carrying ejector sleeve stop on pushing up, mandril top plate carries straight mandril and continues upper top until product integrally demoulds,
This is off course；Above-mentioned off course device while be made of two sets of top plates and mechanical drag hook, cause mold processing capacity is big, assembly is inconvenient,
Cost occupies high；In addition, in practical applications, mechanical drag hook is vulnerable to lead to accident, keep the operation and maintenance amount of mold at high cost greatly,
Therefore, there is at high cost, accident risk and deficiency in the prior art.
Summary of the invention
Aiming at the problems and shortcomings existing in the prior art, the present invention uses the device being made of ejector sleeve seat, spring,
In, ejector sleeve seat is cylinder tube shape steel components, and the upper end of ejector sleeve seat is equipped with the connector for snapping connection ejector sleeve, ejector sleeve seat
Lower end is equipped with flange step and is known as seat stand, and the inner cavity of ejector sleeve seat is the duct of up-small and down-big cylinder step, wherein ejector sleeve seat
The duct of upper small column step is known as core slideway, and the duct of the lower big cylinder table rank of ejector sleeve seat is known as spring groove；Spring is cylinder
Spiral compression spring；
In application, the cylindrical hole in dynamic model support plate equipped with up and down direction is known as tube socket emptiness avoiding hole, the tube socket emptiness avoiding hole
Top is equipped with the through-hole slided up and down for ejector sleeve and is known as push hole；The lower end of ejector sleeve is fixedly connected on ejector sleeve seat through the connector
The upper surface of, the lumen of ejector sleeve is communicated with the core slideway of ejector sleeve seat and the two axis is overlapped, and the top of ejector sleeve seat is slidably disposed in
In the tube socket emptiness avoiding hole, the upper end of ejector sleeve is slidably disposed in the push hole；Top plate, ejector sleeve seat are slid through in the middle part of ejector sleeve seat
The upper surface of the bottom plate of dynamic model is fixed on through the seat stand, spring is located in spring groove, and the upper end of spring and the top of spring groove are supported
Touching, the upper surface of the lower end of spring and bottom plate contradict；Core bar slides the core slideway and ejector sleeve for being through ejector sleeve seat from bottom to top
In the channel that lumen is constituted；The lower end of core bar is fixedly connected with the bottom plate of dynamic model, and the upper surface of the upper end of core bar and dynamic mould core are flat
Together；The lower end of straight mandril is fixed at top plate, and straight mandril upward sliding passes through dynamic model support plate and dynamic mould core, the upper end of straight mandril
It is concordant with the upper surface of dynamic mould core.
When demoulding work, top plate drives straight mandril to move up pushing tow product, and at the same time, spring pushes ejector sleeve seat to drive
The socket cap that ejector sleeve moves up pushing tow product is detached from core bar and dynamic mould core, this is ejected for straight mandril with ejector sleeve simultaneously；Work as bullet
The release of spring elastic potential energy is also when ejector sleeve impulse stroke finishes when finishing, and ejector sleeve stops upward pushing tow, and later, top plate continues to drive
Straight mandril, which is move upwardly until, entirely pushes away dynamic mould core for product, this is ejected for straight mandril and ejector sleeve off course；When molding resets,
The technical solution that ejector sleeve seat and ejector sleeve are resetted by the top plate compacting resetted, provides a kind of injection mold ejector sleeve and straight mandril is different simultaneously
Journey liftout attachment, it is intended to make the ejection of injection mold ejector sleeve and straight mandril off course simultaneously, reaching reduces cost, eliminates accident risk
Purpose.
The object of the present invention is achieved like this: a kind of injection mold ejector sleeve and straight mandril off course liftout attachment simultaneously, packet
Include ejector sleeve seat, spring, in which: the ejector sleeve seat is cylinder tube shape steel components, and the upper end of ejector sleeve seat is equipped with for the company of buckle
The connector of ejector sleeve is connect, the lower end of ejector sleeve seat is equipped with flange step and is known as seat stand, and the inner cavity of ejector sleeve seat is up-small and down-big cylinder table
Stepped duct, wherein the duct of the upper small column step of ejector sleeve seat is known as core slideway, the hole of the lower big cylinder table rank of ejector sleeve seat
Road is known as spring groove；
The spring is cylindroid helical-coil compression spring；
In application, the cylindrical hole in dynamic model support plate equipped with up and down direction is known as tube socket emptiness avoiding hole, the tube socket emptiness avoiding hole
Top is equipped with the through-hole slided up and down for ejector sleeve and is known as push hole；The lower end of ejector sleeve is fixedly connected on ejector sleeve seat through the connector
The upper surface of, the lumen of ejector sleeve is communicated with the core slideway of ejector sleeve seat and the two axis is overlapped, and the top of ejector sleeve seat is slidably disposed in
In the tube socket emptiness avoiding hole, the upper end of ejector sleeve is slidably disposed in the push hole；Top plate, ejector sleeve seat are slid through in the middle part of ejector sleeve seat
The upper surface of the bottom plate of dynamic model is fixed on through the seat stand, spring is located in spring groove, and the upper end of spring and the top of spring groove are supported
Touching, the upper surface of the lower end of spring and bottom plate contradict；Core bar slides the core slideway and ejector sleeve for being through ejector sleeve seat from bottom to top
In the channel that lumen is constituted；The lower end of core bar is fixedly connected with the bottom plate of dynamic model, and the upper surface of the upper end of core bar and dynamic mould core are flat
Together；The lower end of straight mandril is fixed at top plate, and straight mandril upward sliding passes through dynamic model support plate and dynamic mould core, the upper end of straight mandril
It is concordant with the upper surface of dynamic mould core.
Working principle and beneficial effect
When demoulding work, top plate drives straight mandril to move up pushing tow product, and at the same time, spring pushes ejector sleeve seat to drive
The socket cap that ejector sleeve moves up pushing tow product is detached from core bar and dynamic mould core, this is ejected for straight mandril with ejector sleeve simultaneously；Work as bullet
When spring elastic potential energy release Bi Shiyi is that ejector sleeve impulse stroke finishes, ejector sleeve stops upward pushing tow, and later, top plate continues to drive straight top
Bar, which is move upwardly until, entirely pushes away dynamic mould core for product, this is ejected for straight mandril and ejector sleeve off course；When molding resets, ejector sleeve
Seat and ejector sleeve are resetted by the top plate compacting resetted.
Present apparatus structure is simple, reliable operation, by the way that ejector sleeve seat is fixed on bottom plate, is pushed ejector sleeve seat by spring and is pushed away
Pipe, avoids the drawbacks of two sets of top plates add mechanical drag hook, makes injection mold ejector sleeve and straight mandril off course liftout attachment simultaneously, reduces
Cost eliminates accident risk.
Above-mentioned, the present invention uses the device being made of ejector sleeve seat, spring, wherein ejector sleeve seat is equipped with connector, seat stand, core
Slideway, spring groove；Spring is cylindroid helical-coil compression spring；In application, the cylindrical hole in dynamic model support plate equipped with up and down direction is known as
Tube socket emptiness avoiding hole, the top of the tube socket emptiness avoiding hole are equipped with the through-hole slided up and down for ejector sleeve and are known as push hole；The lower end of ejector sleeve
It is fixedly connected on the upper surface of ejector sleeve seat through the connector, the lumen of ejector sleeve is communicated with the core slideway of ejector sleeve seat and the two axis
Line is overlapped, and the top of ejector sleeve seat is slidably disposed in the tube socket emptiness avoiding hole, and the upper end of ejector sleeve is slidably disposed in the push hole；Ejector sleeve
The middle part of seat slides through top plate, and ejector sleeve seat is fixed on the upper surface of the bottom plate of dynamic model through the seat stand, and spring is located in spring groove,
The upper end of spring and the top of spring groove contradict, and the upper surface of the lower end of spring and bottom plate contradict；Core bar slides be through from bottom to top
In the channel that the core slideway of ejector sleeve seat and the lumen of ejector sleeve are constituted；The lower end of core bar is fixedly connected with the bottom plate of dynamic model, core
The upper end of bar is concordant with the upper surface of dynamic mould core；The lower end of straight mandril is fixed at top plate, and straight mandril upward sliding passes through dynamic model
The upper end of support plate and dynamic mould core, straight mandril is concordant with the upper surface of dynamic mould core；
When demoulding work, top plate drives straight mandril to move up pushing tow product, and at the same time, spring pushes ejector sleeve seat to drive
The socket cap that ejector sleeve moves up pushing tow product is detached from core bar and dynamic mould core, this is ejected for straight mandril with ejector sleeve simultaneously；Work as bullet
The release of spring elastic potential energy is also when ejector sleeve impulse stroke finishes when finishing, and ejector sleeve stops upward pushing tow, and later, top plate continues to drive
Straight mandril, which is move upwardly until, entirely pushes away dynamic mould core for product, this is ejected for straight mandril and ejector sleeve off course；When molding resets,
The technical solution that ejector sleeve seat and ejector sleeve are resetted by the top plate compacting resetted, a kind of provided injection mold ejector sleeve and straight mandril are same
Shi Yicheng liftout attachment makes the ejection of injection mold ejector sleeve and straight mandril off course simultaneously, and having reached reduces cost, eliminates accident wind
The purpose of danger.
Detailed description of the invention
Fig. 1 is a kind of injection mold ejector sleeve of the invention and the main view sectional structure of straight mandril off course liftout attachment simultaneously shows
It is intended to, is shown with ejector sleeve 01 and core bar 02 in figure；
Fig. 2 is that the axis of a kind of injection mold ejector sleeve of the invention and straight mandril off course liftout attachment simultaneously surveys exploded pictorial
Scheme, is shown with ejector sleeve 01 and core bar 02 in figure；
Fig. 3 is a kind of injection mold ejector sleeve of the invention and straight mandril off course liftout attachment position in application mold simultaneously
Schematic diagram of main cross-sectional structure；
Fig. 4 is a kind of injection mold ejector sleeve of the invention and straight mandril off course liftout attachment simultaneously, is worked in straight mandril 03
Eject the schematic illustration of tense simultaneously with ejector sleeve 01；
Fig. 5 is a kind of injection mold ejector sleeve of the invention and straight mandril off course liftout attachment simultaneously, is worked in straight mandril 03
With the schematic illustration of 01 off course of ejector sleeve ejection tense.
Invention is further described in detail for embodiment in reference to the accompanying drawing, but should not be construed as to of the invention
Any restrictions.
In figure: ejector sleeve seat 1, connector 11, seat stand 12, core slideway 13, spring groove 14, spring 2, ejector sleeve 01, core bar 02, straight
Mandril 03, top plate 04, bottom plate 05, product 06, socket cap 061, dynamic mould core 07, dynamic model support plate 08, tube socket emptiness avoiding hole 081.
Specific embodiment
Refering to fig. 1~Fig. 5, a kind of injection mold ejector sleeve of the invention and straight mandril off course liftout attachment simultaneously, including push away
Tube socket 1, spring 2, in which: the ejector sleeve seat 1 is cylinder tube shape steel components, and the upper end of ejector sleeve seat 1 is equipped with for the company of buckle
Connect the connector 11 of ejector sleeve 01, the lower end of ejector sleeve seat 1 is equipped with flange step and is known as seat stand 12, the inner cavity of ejector sleeve seat 1 be it is upper it is small under
The big stepped duct of cylinder table, wherein the duct of the upper small column step of ejector sleeve seat 1 is known as core slideway 13, ejector sleeve seat 1 it is lower big
The duct of cylinder step is known as spring groove 14；
The spring 2 is cylindroid helical-coil compression spring；
In application, the cylindrical hole in dynamic model support plate 08 equipped with up and down direction is known as tube socket emptiness avoiding hole 081, the tube socket empty avoiding
The top in hole 081 is equipped with the through-hole slided up and down for ejector sleeve 01 and is known as push hole；The lower end of ejector sleeve 01 is solid through the connector 11
Surely it is connected to the upper surface of ejector sleeve seat, the lumen of ejector sleeve 01 is communicated with the core slideway 13 of ejector sleeve seat 1 and the two axis is overlapped, and pushes away
The top of tube socket 1 is slidably disposed in the tube socket emptiness avoiding hole 081, and the upper end of ejector sleeve 01 is slidably disposed in the push hole；Ejector sleeve seat 1
Middle part slide through top plate 04, ejector sleeve seat 1 is fixed on the upper surface of the bottom plate 05 of dynamic model through the seat stand 12, and spring 2 is located at bullet
In spring slot 14, the upper end of spring 2 and the top of spring groove 14 are contradicted, and the upper surface of the lower end of spring 2 and bottom plate 05 contradict；Core bar 02
In the channel that the lumen of sliding is through ejector sleeve seat 1 from bottom to top the core slideway 13 and ejector sleeve 01 is constituted；The lower end of core bar 02
It is fixedly connected with the bottom plate 05 of dynamic model, the upper end of core bar 02 is concordant with the upper surface of dynamic mould core 07；The lower end of straight mandril 03 is fixed
At top plate 04, straight 03 upward sliding of mandril passes through dynamic model support plate 08 and dynamic mould core 07, the upper end of straight mandril 03 and movable model
The upper surface of core 07 is concordant.
Working principle and beneficial effect
When demoulding work, top plate 04 drives straight mandril 03 to move up pushing tow product 06, and at the same time, spring 2 pushes away
The socket cap 061 that tube socket 1 drives ejector sleeve 01 to move up pushing tow product 06 is detached from core bar 02 and dynamic mould core 07, this is straight mandril
03 ejects simultaneously with ejector sleeve 01；When 2 elastic potential energy of spring release Bi Shiyi be 01 impulse stroke of ejector sleeve finish when, ejector sleeve 01 stop to
Upper pushing tow, later, top plate 04, which continues straight mandril 03 is driven to be move upwardly until, entirely pushes away dynamic mould core 07 for product 06, this is
Straight mandril 03 is ejected with 01 off course of ejector sleeve；When molding resets, ejector sleeve seat 1 and ejector sleeve 01 are resetted by the compacting of top plate 04 resetted.
Present apparatus structure is simple, reliable operation, by the way that ejector sleeve seat 1 is fixed on bottom plate 05, pushes ejector sleeve seat 1 by spring 2
With ejector sleeve 01, the drawbacks of two sets of top plates add mechanical drag hook is avoided, makes injection mold ejector sleeve 01 and straight mandril 03 off course top simultaneously
Device out reduces costs, eliminates accident risk.
Claims (1)
1. a kind of injection mold ejector sleeve and straight mandril off course liftout attachment, including ejector sleeve seat (1), spring (2) simultaneously, feature exists
In: the ejector sleeve seat (1) is cylinder tube shape steel components, and the upper end of ejector sleeve seat (1) is equipped with for snapping connection ejector sleeve (01)
Connector (11), the lower end of ejector sleeve seat (1) is equipped with flange step and is known as seat stand (12), the inner cavity of ejector sleeve seat (1) be it is upper it is small under
The big stepped duct of cylinder table, wherein the duct of the upper small column step of ejector sleeve seat (1) is known as core slideway (13), ejector sleeve seat (1)
The duct of lower big cylinder table rank be known as spring groove (14)；
The spring (2) is cylindroid helical-coil compression spring；
In application, the cylindrical hole in dynamic model support plate (08) equipped with up and down direction is known as tube socket emptiness avoiding hole (081), the tube socket empty avoiding
The top in hole (081) is equipped with the through-hole slided up and down for ejector sleeve (01) and is known as push hole；The lower end of ejector sleeve (01) is through the connection
Mouthful (11) are fixedly connected on the upper surface of ejector sleeve seat, the lumen of ejector sleeve (01) communicated with the core slideway (13) of ejector sleeve seat (1) and
The two axis is overlapped, and the top of ejector sleeve seat (1) is slidably disposed in the tube socket emptiness avoiding hole (081), the upper end sliding of ejector sleeve (01)
In the push hole；It is slid through in the middle part of ejector sleeve seat (1) top plate (04), ejector sleeve seat (1) is fixed on through the seat stand (12)
The upper surface of bottom plate (05) of dynamic model, spring (2) are located in spring groove (14), the upper end of spring (2) and the top of spring groove (14)
It contradicts, the upper surface of lower end and bottom plate (05) of spring (2) contradict；Core bar (02) slides the institute for being through ejector sleeve seat (1) from bottom to top
In the channel for stating the lumen composition of core slideway (13) and ejector sleeve (01)；The lower end of core bar (02) and the fixed company of the bottom plate (05) of dynamic model
It connects, the upper end of core bar (02) is concordant with the upper surface of dynamic mould core (07)；The lower end of straight mandril (03) is fixed at top plate (04), directly
Mandril (03) upward sliding passes through dynamic model support plate (08) and dynamic mould core (07), the upper end and dynamic mould core (07) of straight mandril (03)
The upper surface of it is concordant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731872.8A CN110385840A (en) | 2019-08-01 | 2019-08-01 | A kind of injection mold ejector sleeve and straight mandril off course liftout attachment simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731872.8A CN110385840A (en) | 2019-08-01 | 2019-08-01 | A kind of injection mold ejector sleeve and straight mandril off course liftout attachment simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110385840A true CN110385840A (en) | 2019-10-29 |
Family
ID=68288534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910731872.8A Withdrawn CN110385840A (en) | 2019-08-01 | 2019-08-01 | A kind of injection mold ejector sleeve and straight mandril off course liftout attachment simultaneously |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110385840A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111571943A (en) * | 2020-05-19 | 2020-08-25 | 中山市利群精密实业有限公司 | Mould with ejector sleeve ejecting structure |
-
2019
- 2019-08-01 CN CN201910731872.8A patent/CN110385840A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111571943A (en) * | 2020-05-19 | 2020-08-25 | 中山市利群精密实业有限公司 | Mould with ejector sleeve ejecting structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191029 |
|
| WW01 | Invention patent application withdrawn after publication |