CN109016363A - A kind of internal screw thread typing mechanism demoulding mechanism - Google Patents
A kind of internal screw thread typing mechanism demoulding mechanism Download PDFInfo
- Publication number
- CN109016363A CN109016363A CN201810590907.6A CN201810590907A CN109016363A CN 109016363 A CN109016363 A CN 109016363A CN 201810590907 A CN201810590907 A CN 201810590907A CN 109016363 A CN109016363 A CN 109016363A
- Authority
- CN
- China
- Prior art keywords
- screw thread
- internal screw
- sliding block
- block
- slanted kicking
- 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.)
- Pending
Links
- 238000000465 moulding Methods 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- B29C45/26—Moulds
- B29C45/2618—Moulds having screw-threaded mould walls
- B29C45/262—Moulds having screw-threaded mould walls provided with unscrewing drive means
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2001/00—Articles provided with screw threads
Abstract
The present invention provides a kind of internal screw thread typing mechanism demoulding mechanism, mechanism structure composition includes central type chamber mold insert, left inside core-pulling slide block, left curved pin, left slider spring, right inner core pulling sliding block, right curved pin, right sliding block spring, preceding slanted kicking block, preceding straight mandril, rear slanted kicking block, rear straight mandril；The Leave out thread movement of mechanism is carried out in two steps, and the lateral first core pulling molding assembly of internal screw thread first completes the part core pulling of product internal screw thread, directly the demoulding of the remaining internal screw thread of core pulling molding assembly completion backward；Mechanism structure design rationally, compact, the operation is stable is securely and reliably, easy-to-use, assemble and dismount it is easy to maintenance, it is low to the requirement of mold die carrier structure.
Description
Technical field
The present invention relates to injection mold mechanism design field, specially a kind of internal screw thread typing mechanism demoulding mechanism.
Background technique
As shown in Figure 1, the interior design of capping product has an internal screw thread, when demoulding, such as uses internal screw thread rotating mechanism to demould,
Certainly will increase the complexity and die manufacturing cost of mould structure, a kind of simple type internal thread demoulding mechanism of proposed adoption of the present invention and
Mould structure come realize the product internal screw thread demoulding.
Summary of the invention
Technical problem to be solved by the present invention lies in a kind of internal screw thread typing mechanism demoulding mechanism is provided, design is reasonable,
Compact-sized, the operation is stable is securely and reliably, easy-to-use；In order to solve the above-mentioned prior art problems, the present invention is using as follows
Scheme: a kind of internal screw thread typing mechanism demoulding mechanism, including central type chamber mold insert, left inside core-pulling slide block, left curved pin, left slider bullet
Spring, right inner core pulling sliding block, right curved pin, right sliding block spring, preceding slanted kicking block, preceding straight mandril, rear slanted kicking block, rear straight mandril.
Preferably, central type chamber mold insert is installed on stationary mould for mould type chamber mold insert in the mechanism, left inside core pulling is sliding
Block is installed on mold cores mold insert, is used for shaped article internal screw thread, left curved pin is installed on stationary mould for mould plate, for driving a left side
Inner core pulling sliding block, left slider spring are installed on the side of left inside core-pulling slide block, reset for the left inside core-pulling slide block of auxiliary drive；
Right inner core pulling sliding block is installed on mold cores mold insert, is used for shaped article internal screw thread, and right curved pin is installed on stationary mould for mould plate,
For driving right inner core pulling sliding block, right sliding block spring is installed on the side of right inner core pulling sliding block, is used for the right inner core pulling of auxiliary drive
Sliding block resets；Preceding slanted kicking block is installed in the oblique top slot of mold cores mold insert, and lower end is coupled with preceding straight mandril by T-slot,
By its ejection of preceding straight top rod driving, preceding straight mandril is installed on the liftout plate using mould；Slanted kicking block is installed on mold cores edge afterwards
In the oblique top slot of part, lower end is coupled with rear straight mandril by T-slot, by its ejection of rear straight top rod driving, rear straight mandril installation
In on the liftout plate of application mould.
Preferably, in the mechanism, the forming internal threads part of product is by left inside core-pulling slide block, right inner core pulling sliding block, preceding
Slanted kicking block, rear slanted kicking block are constituted；Left inside core-pulling slide block, right inner core pulling sliding block constitute internal screw thread laterally first core pulling molding assembly；Before
Slanted kicking block, rear slanted kicking block constitute internal screw thread directly core pulling molding assembly backward.
Preferably, in the mechanism, after left inside core-pulling slide block, the assembly of right inner core pulling sliding block, reserved among the two 5mm away from
From distance is greater than times or more of inner ring back-off groove depth.
Preferably, left curved pin and the right curved curved pin angle of pin are 16 °, and preceding slanted kicking block and rear slanted kicking block are oblique in the mechanism
Top ejection angle is 16 °.
In the present invention: internal screw thread is the technical issues of laterally first core pulling molding assembly solves: partial internal thread type core is first taken out
Core demoulding, the beneficial effect reached is: the part for realizing internal screw thread first demoulds.
In the present invention: internal screw thread is the technical issues of directly core pulling molding assembly component solves backward:: partial internal thread type core
First core_pulling demoulding, the beneficial effect reached is: realizing the part subregion demoulding in order of internal screw thread.
The problem of present invention is whole, and internal screw thread demoulds compared to the prior art, the beneficial effect is that: mechanism is simple, interior spiral shell
Line stripping action is high-efficient, and mould structure is simple, and manufacturing cost is low.
Detailed description of the invention
Fig. 1 application product figure；
Fig. 2 mechanism structure forms the first visual angle three-dimensional figure；
Fig. 3 mechanism components install installation diagram；
The installation diagram of Fig. 4 mechanism in a mold.
Specific embodiment
Fig. 1-4 show related description figure of the present invention；Specific embodiment is, as shown in Figure 2, Figure 3, Figure 4, in one kind
Screw thread typing mechanism demoulding mechanism, including central type chamber mold insert 1, left inside core-pulling slide block 2, left curved pin 3, left slider spring 4, in the right side
Core-pulling slide block 5, right curved pin 6, right sliding block spring 7, preceding slanted kicking block 8, preceding straight mandril 9, rear slanted kicking block 10, rear straight mandril 11.
In the mechanism, central type chamber mold insert 1 is installed on stationary mould for mould type chamber mold insert, and left inside core-pulling slide block 2 is installed on
On mold cores mold insert, it is used for shaped article internal screw thread, left curved pin 3 to be installed on stationary mould for mould plate, for driving left inside core pulling
Sliding block 2, left slider spring 4 are installed on the side of left inside core-pulling slide block 2, reset for the left inside core-pulling slide block 2 of auxiliary drive；It is right
Inner core pulling sliding block 5 is installed on mold cores mold insert, is used for shaped article internal screw thread, and right curved pin 6 is installed on stationary mould for mould plate,
For driving right inner core pulling sliding block 5, right sliding block spring 7 is installed on the side of right inner core pulling sliding block 5, for the right interior pumping of auxiliary drive
Core sliding block 5 resets；Preceding slanted kicking block 8 is installed in the oblique top slot of mold cores mold insert, and lower end and preceding straight mandril 9 pass through T-slot
It is coupled, its ejection is driven by preceding straight mandril 9, preceding straight mandril 9 is installed on the liftout plate using mould；Slanted kicking block 10 is installed on mould afterwards
In the oblique top slot of tool type core mold insert, lower end is coupled with rear straight mandril 11 by T-slot, drives its ejection by rear straight mandril 11,
Straight mandril 11 is installed on the liftout plate using mould afterwards.
In the mechanism, the forming internal threads part of product by left inside core-pulling slide block 2, right inner core pulling sliding block 5, preceding slanted kicking block 8,
Slanted kicking block 10 is constituted afterwards；Left inside core-pulling slide block 2, right inner core pulling sliding block 5 constitute internal screw thread laterally first core pulling molding assembly；Preceding oblique top
Block 8, rear slanted kicking block 10 constitute internal screw thread directly core pulling molding assembly backward.
In the mechanism, after left inside core-pulling slide block 2, the assembly of right inner core pulling sliding block 5,5mm distance is reserved among the two, away from
From the 2 times or more for being greater than inner ring back-off groove depth.
In the mechanism, left curved pin 3 and the right curved pin angle of curved pin 6 are 16 °, preceding slanted kicking block 8 and rear 10 oblique top top of slanted kicking block
Angle is 16 ° out.
In actual work, the course of work of mechanism is divided into following steps:
1) mold injection finishes, and mold is opened at PL die joint, at this point, left curved pin 3, right curved pin 6 respectively drive left inside core pulling
Sliding block 2, right inner core pulling sliding block 5 keep receiving towards central contraction, and under the pushing of the auxiliary of left slider spring 4, right sliding block spring 7
Contracting shape, left inside core-pulling slide block 2, right inner core pulling sliding block 5 moulding section separated with product internal screw thread wall.
2) after mold is opened, under the promotion of injection molding machine mandril, injection molding machine ejector retainner plate pushes preceding straight mandril 9, rear straight mandril
11 ejections realize the demoulding of product residue female thread portion so that preceding slanted kicking block 8, rear slanted kicking block 10 be pushed to eject, and so far, produce
Product realize demoulding completely.
3) when resetting, movement is opposite with die sinking stripping action.
Specific embodiment described herein is only an example for the spirit of the invention, the neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (5)
1. a kind of internal screw thread typing mechanism demoulding mechanism, including central type chamber mold insert (1), left inside core-pulling slide block (2), left curved pin
(3), left slider spring (4), right inner core pulling sliding block (5), right curved pin (6), right sliding block spring (7), preceding slanted kicking block (8), preceding straight top
Bar (9), rear slanted kicking block (10), rear straight mandril (11).
2. a kind of internal screw thread typing mechanism demoulding mechanism according to claim 1, in the demoulding mechanism, central type chamber
Mold insert (1) is installed on stationary mould for mould type chamber mold insert, and left inside core-pulling slide block (2) is installed on mold cores mold insert, for forming
Product internal screw thread, left curved pin (3) is installed on stationary mould for mould plate, for driving left inside core-pulling slide block (2), left slider spring (4)
It is installed on the side of left inside core-pulling slide block (2), is resetted for the left inside core-pulling slide block of auxiliary drive (2)；Right inner core pulling sliding block (5)
It is installed on mold cores mold insert, is used for shaped article internal screw thread, right curved pin (6) is installed on stationary mould for mould plate, for driving
Right inner core pulling sliding block (5), right sliding block spring (7) are installed on the side of right inner core pulling sliding block (5), are used for the right inner core pulling of auxiliary drive
Sliding block (5) resets；Preceding slanted kicking block (8) is installed in the oblique top slot of mold cores mold insert, and lower end and preceding straight mandril (9) pass through T
Type groove is coupled, and drives its ejection by preceding straight mandril (9), preceding straight mandril (9) is installed on the liftout plate using mould；Slanted kicking block afterwards
(10) it is installed in the oblique top slot of mold cores mold insert, lower end is coupled with rear straight mandril (11) by T-slot, by rear straight mandril
(11) its ejection is driven, rear straight mandril (11) is installed on the liftout plate using mould.
3. a kind of internal screw thread typing mechanism demoulding mechanism according to claim 1, in the demoulding mechanism, product it is interior
Screw thread formations are made of left inside core-pulling slide block (2), right inner core pulling sliding block (5), preceding slanted kicking block (8), rear slanted kicking block (10)；It is left inside
Core-pulling slide block (2), right inner core pulling sliding block (5) constitute internal screw thread laterally first core pulling molding assembly；Preceding slanted kicking block (8), rear slanted kicking block
(10) internal screw thread directly core pulling molding assembly backward is constituted.
4. a kind of internal screw thread typing mechanism demoulding mechanism according to claim 1, in the demoulding mechanism, left inside core pulling
After sliding block (2), right inner core pulling sliding block (5) assembly, 5mm distance is reserved among the two, distance is greater than the 2 of inner ring back-off groove depth
Times or more.
5. a kind of internal screw thread typing mechanism demoulding mechanism according to claim 1, in the demoulding mechanism, left curved pin
It (3) is 16 ° with the right curved curved pin angle of pin (6), preceding slanted kicking block (8) and rear slanted kicking block (10) lifter ejection angle are 16 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810590907.6A CN109016363A (en) | 2018-06-09 | 2018-06-09 | A kind of internal screw thread typing mechanism demoulding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810590907.6A CN109016363A (en) | 2018-06-09 | 2018-06-09 | A kind of internal screw thread typing mechanism demoulding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109016363A true CN109016363A (en) | 2018-12-18 |
Family
ID=64612502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810590907.6A Pending CN109016363A (en) | 2018-06-09 | 2018-06-09 | A kind of internal screw thread typing mechanism demoulding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109016363A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732854A (en) * | 2019-01-07 | 2019-05-10 | 赫比(成都)精密塑胶制品有限公司 | Double color mould screw thread core pulling device |
| CN112622183A (en) * | 2020-12-05 | 2021-04-09 | 勇气模具塑胶(苏州)有限公司 | Door frame forming die and forming process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10146868A (en) * | 1996-11-20 | 1998-06-02 | Suzuno Kasei Kk | Injection-molded cylindrical body, its production, and rod-shaped decorative material delivery container using the cylindrical body |
| US20070172539A1 (en) * | 2006-01-24 | 2007-07-26 | Chiang-Chang Wang | Core-pulling mechanism and injection mold with the same |
| CN104772866A (en) * | 2015-04-30 | 2015-07-15 | 陈伟娅 | Double-bent-pin single-locking-block front mould internal core-pulling mechanism |
| CN104827634A (en) * | 2015-04-29 | 2015-08-12 | 耿晓冬 | Thread-demoulding mechanism for internal threads with large internal diameter and mould thereof |
| CN106738712A (en) * | 2016-12-24 | 2017-05-31 | 浙江工商职业技术学院 | Receipts formula internal thread demoulding mechanism mould in insert |
-
2018
- 2018-06-09 CN CN201810590907.6A patent/CN109016363A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10146868A (en) * | 1996-11-20 | 1998-06-02 | Suzuno Kasei Kk | Injection-molded cylindrical body, its production, and rod-shaped decorative material delivery container using the cylindrical body |
| US20070172539A1 (en) * | 2006-01-24 | 2007-07-26 | Chiang-Chang Wang | Core-pulling mechanism and injection mold with the same |
| CN104827634A (en) * | 2015-04-29 | 2015-08-12 | 耿晓冬 | Thread-demoulding mechanism for internal threads with large internal diameter and mould thereof |
| CN104772866A (en) * | 2015-04-30 | 2015-07-15 | 陈伟娅 | Double-bent-pin single-locking-block front mould internal core-pulling mechanism |
| CN106738712A (en) * | 2016-12-24 | 2017-05-31 | 浙江工商职业技术学院 | Receipts formula internal thread demoulding mechanism mould in insert |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732854A (en) * | 2019-01-07 | 2019-05-10 | 赫比(成都)精密塑胶制品有限公司 | Double color mould screw thread core pulling device |
| CN109732854B (en) * | 2019-01-07 | 2021-07-16 | 赫比(成都)精密塑胶制品有限公司 | Double-color die thread core-pulling device |
| CN112622183A (en) * | 2020-12-05 | 2021-04-09 | 勇气模具塑胶(苏州)有限公司 | Door frame forming die and forming process thereof |
| CN112622183B (en) * | 2020-12-05 | 2022-05-03 | 勇气模具塑胶(苏州)有限公司 | Door frame forming die and forming process thereof |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |
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| RJ01 | Rejection of invention patent application after publication |