CN110524804A - A kind of injection mold of the secondary demoulding in dynamic model side muscle position - Google Patents
A kind of injection mold of the secondary demoulding in dynamic model side muscle position Download PDFInfo
- Publication number
- CN110524804A CN110524804A CN201910764587.6A CN201910764587A CN110524804A CN 110524804 A CN110524804 A CN 110524804A CN 201910764587 A CN201910764587 A CN 201910764587A CN 110524804 A CN110524804 A CN 110524804A
- Authority
- CN
- China
- Prior art keywords
- plug
- fixing sleeve
- molding
- drag hook
- module core
- 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.)
- Granted
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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
-
- 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
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4407—Removing or ejecting moulded articles for undercut articles by flexible movement of undercut portions of the articles
Abstract
The invention discloses a kind of injection molds of the secondary demoulding in dynamic model side muscle position, including front template (1), rear pattern plate (2), mavable module core (3), quiet mode (4) and supporting plate (5), the mavable module core (3) and rear pattern plate (2) are fixed, the quiet mode (4) and front template (1) are fixed, the supporting plate (5) and rear pattern plate (2) are fixed, it is characterised in that: it further includes plug (6), plug fixing sleeve (7), plug fixed block (8), spring (9) and drag hook (10).The injection mold of the secondary demoulding in this dynamic model side muscle position is opened using two steps, can guarantee that the barb of inner ring and outer ring normally demoulds, structure is simple, good reliability.
Description
Technical field
The present invention relates to injection mold technologies, are especially a kind of injection mold of the secondary demoulding in dynamic model side muscle position.
Background technique
As shown in Figure 1, have a plastic product at present, including ontology disk 101, inner ring 102 and outer ring 103, inner ring 102
It is located at the bottom of ontology disk 101 with outer ring 103, inner ring 102 is located in outer ring 103 and has spacing, inner ring 102 between the two
The side wall of one circle is equipped with multiple notches, so that inner ring is divided into several sections, the outside of the bottom of inner ring 102 and outer ring 103 is fallen
Hook 10.In injection molding, if inner ring 102 and outer ring 103 are distributed demoulding using conventional sliding block, then too due to size
It is small, it is fitted without the space of sliding block, to cannot achieve normal demoulding.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of two steps of use and be opened, can guarantee the barb of inner ring and outer ring
The injection mold of normal demoulding, simple, good reliability the secondary demoulding in dynamic model side muscle position of structure.
The technical scheme is that providing a kind of injection mold of secondary demoulding in dynamic model side muscle position having following structure
Including front template, rear pattern plate, mavable module core, quiet mode and supporting plate, the mavable module core is fixed with rear pattern plate, the quiet mode and preceding mould
Plate is fixed, and the supporting plate is fixed with rear pattern plate, it further includes plug, plug fixing sleeve, plug fixed block, spring and drag hook, institute
The type chamber of mavable module core with the ontology disk of formation shaped article after the molding of quiet mode is stated, the plug is movably connected in plug and fixes
It is equipped with the type chamber of molding inner ring and outer ring in the centre bore of set, and between plug and plug fixing sleeve and forms the recessed of barb
Chamber；The bottom of the plug is stretched out outside plug fixing sleeve and is fixed with plug fixed block, the plug fixed block and supporting plate, institute
It states spring pocket to offset in mandrel outer, top and the convex block of plug fixing sleeve, bottom end offsets with plug fixed block, and the drag hook is one
Group and bottom is fixed on supporting plate, top are embedded in the base apertures of rear pattern plate and are located at outside plug fixing sleeve, the plug
The bottom of fixing sleeve is equipped with protrusion, and the internal diameter at the top of the drag hook is greater than the outer diameter of plug fixing sleeve ontology and is less than the outer of convex block
Diameter；When molding, the mavable module core and quiet mode are molded, the mavable module core, quiet mode, the top of plug and plug fixing sleeve
The top of the type chamber of top formation shaped article, the plug and plug fixing sleeve offsets with ontology disk；The top of the drag hook
Spacing is equipped between portion and the top surface of convex block；Die sinking includes the first step and second step, is opened the first step, the supporting plate for the first time to
Lower moving distance a, the supporting plate drive plug downward, and the top of the plug makes inner ring far from inner ring and outer ring after molding
Inner wall formed cavity；It is opened second step, the supporting plate the moves down distance b again and drives drag hook down, the drag hook
The boss of pulled down plug fixing sleeve, after the top of the plug fixing sleeve forms simultaneously far from inner ring and outer ring after molding
Inner ring radial contraction, last front template, rear pattern plate, mavable module core, quiet mode complete demoulding.
The limited block there are two inside bending is set at the top of the drag hook, two pieces of limited blocks are symmetrically positioned in plug fixing sleeve
Outside, the distance between two pieces of limited blocks are greater than the outer diameter of plug fixing sleeve ontology and are less than the outer diameter of convex block, and the drag hook is downward
Two pieces of limited block driving convex blocks synchronize downwards.
The notch of molding inner ring barb is equipped at the top of the inner wall of the plug fixing sleeve, outside the top of the plug fixing sleeve
The smaller type chamber for forming molding outer ring with mavable module core in molding of diameter.
It is opened the first step, the top of the plug fixing sleeve is lower than the bottom of inner ring.
The inner hole clearance fit on the top of the plug fixing sleeve and rear pattern plate, mavable module core.
After using the above structure, the invention has the following advantages that being opened using two steps, it is opened the first step, the supporting plate the
Once move down distance a, the supporting plate drives plug downward, the top of the plug far from inner ring and outer ring after molding,
The inner wall of inner ring is set to form cavity；It is opened second step, the supporting plate the moves down distance b again and drives drag hook down, institute
State the boss of drag hook pulled down plug fixing sleeve, the top of the plug fixing sleeve far from inner ring and outer ring after molding simultaneously
Inner ring radial contraction after molding, last front template, rear pattern plate, mavable module core, quiet mode complete demoulding, using the mould of so structure
Tool, do not have to slide construction demould, can guarantee between the inner ring and outer ring of narrow space the barb of inner ring and outer ring normally demould,
Structure is simple, good reliability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of molding product of the invention.
Fig. 2 is mould-matching structure schematic diagram of the invention.
Fig. 3 is die sinking first step structural schematic diagram of the invention.
Fig. 4 is die sinking second step structural schematic diagram of the invention.
Fig. 5 is the structural schematic diagram of die sinking of the invention.
Fig. 6 is the attachment structure schematic diagram of plug and limited block of the invention.
Fig. 7 is the structural schematic diagram of plug fixing sleeve of the invention.
As shown in the figure, 1, front template, 2, rear pattern plate, 3, mavable module core, 4, quiet mode, 5, supporting plate, 6, plug, 7, plug fixes
Set, 7.1, convex block, 7.2, notch, 8, plug fixed block, 9, spring, 10, drag hook, 10.1, limited block.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in figs. 1-7, the injection mold of the secondary demoulding in dynamic model side muscle position of the invention, including front template 1, rear pattern plate 2,
Mavable module core 3, quiet mode 4 and supporting plate 5, the mavable module core 3 and rear pattern plate 2 are fixed, and the quiet mode 4 and front template 1 are fixed, institute
It states supporting plate 5 and rear pattern plate 2 is fixed, it is characterised in that: it further includes plug 6, plug fixing sleeve 7, plug fixed block 8,9 and of spring
The type chamber of the ontology disk 101 of shaped article is formed after drag hook 10, the mavable module core 3 and the molding of quiet mode 4.
The plug 6 is movably connected in the centre bore of plug fixing sleeve 7, and is equipped between plug 6 and plug fixing sleeve 7
It forms the type chamber of inner ring 102 and outer ring 103 and forms the cavity of barb 104；The bottom of the plug 6 is stretched out to be fixed in plug
Set 7 is outer and fixed with plug fixed block 8, the plug fixed block 8 and supporting plates 5,9 sets of the spring outside plug 6, top with
The convex block 7.1 of plug fixing sleeve 7 offsets, and bottom end offsets with plug fixed block 8.
The drag hook 10 is one group and bottom is fixed on supporting plate 5, and top is embedded in the base apertures of rear pattern plate 2 and position
In outside plug fixing sleeve 7, the bottom of the plug fixing sleeve 7 is equipped with protrusion 7.1, and the internal diameter at 10 top of drag hook is greater than plug
The outer diameter of 7 ontology of fixing sleeve and the outer diameter for being less than convex block 7.1.
The notch 7.2 of molding 102 barb of inner ring, the plug fixing sleeve 7 are equipped at the top of the inner wall of the plug fixing sleeve 7
Top outer diameter it is smaller molding when with mavable module core 3 formed molding outer ring 103 type chamber.
It is opened the first step, the top of the plug fixing sleeve 7 is lower than the bottom of inner ring 102.
The inner hole clearance fit on the top of the plug fixing sleeve 7 and rear pattern plate 2, mavable module core 3, makes rear pattern plate 2, mavable module core
3 can be slidably connected with plug fixing sleeve 7.
When molding, the mavable module core 3 is molded with quiet mode 4, the mavable module core 3, quiet mode 4, the top of plug 6 and core
The type chamber of shaped article, the top and 101 phase of ontology disk of the plug 6 and plug fixing sleeve 7 are formed on the top of stick fixing sleeve 7
It supports；Spacing is equipped between the top of the drag hook 10 and the top surface of convex block 7.1.
Die sinking includes the first step and second step, is opened the first step, and 5 first time of supporting plate moves down distance a, the support
Plate 5 drives plug 6, and the top of the plug 6 makes the inner wall of inner ring 102 far from inner ring 102 after molding and outer ring 103 downwards
Form cavity；It is opened second step, the supporting plate 5 the moves down distance b again and drives drag hook 10 down, and the drag hook 10 is past
The lower boss 7.1 for pulling plug fixing sleeve 7, the top of the plug fixing sleeve 7 is far from inner ring 102 after molding and outer ring 103
102 radial contraction of inner ring after molding simultaneously, last front template 1, rear pattern plate 2, mavable module core 3, quiet mode 4 complete demoulding.
The top of the drag hook 10 sets the limited block 10.1 there are two inside bending, and two pieces of limited blocks 10.1 are symmetrically positioned in core
Outside stick fixing sleeve 7, the distance between two pieces of limited blocks 10.1 are greater than the outer diameter of 7 ontology of plug fixing sleeve and are less than convex block 7.1
Outer diameter, 10 downward two pieces of limited blocks 10.1 of the drag hook drive convex blocks 7.1 to synchronize downwards.
Claims (5)
1. a kind of injection mold of the secondary demoulding in dynamic model side muscle position, including front template (1), rear pattern plate (2), mavable module core (3), quiet mould
Benevolence (4) and supporting plate (5), the mavable module core (3) and rear pattern plate (2) are fixed, and the quiet mode (4) and front template (1) are fixed, described
Supporting plate (5) and rear pattern plate (2) are fixed, it is characterised in that: it further includes plug (6), plug fixing sleeve (7), plug fixed block
(8), the ontology disk of shaped article is formed after spring (9) and drag hook (10), the mavable module core (3) and quiet mode (4) molding
(101) type chamber, the plug (6) is movably connected in the centre bore of plug fixing sleeve (7), and plug (6) and plug are fixed
Cover the type chamber that molding inner ring (102) and outer ring (103) is equipped between (7) and the cavity for forming barb (104)；The plug
(6) fixed, the plug fixed block (8) and supporting plate outside and with plug fixed block (8) are stretched out in plug fixing sleeve (7) in bottom
(5), the spring (9) cover plug (6) outside, top and the convex block (7.1) of plug fixing sleeve (7) offset, and bottom end and plug are solid
Determine block (8) to offset, the drag hook (10) is one group and bottom is fixed on supporting plate (5), and top is embedded in the bottom of rear pattern plate (2)
In hole and it is located at plug fixing sleeve (7) outside, the bottom of the plug fixing sleeve (7) is equipped with raised (7.1), the drag hook (10)
The internal diameter at top is greater than the outer diameter of plug fixing sleeve (7) ontology and is less than the outer diameter of convex block (7.1)；When molding, the mavable module core
(3) molded with quiet mode (4), the mavable module core (3), quiet mode (4), the top of plug (6) and plug fixing sleeve (7) top
The top of the type chamber of portion's formation shaped article, the plug (6) and plug fixing sleeve (7) offsets with ontology disk (101)；It is described
Spacing is equipped between the top of drag hook (10) and the top surface of convex block (7.1)；Die sinking includes the first step and second step, die sinking first
Step, the supporting plate (5) move down distance a for the first time, and the supporting plate (5) drives plug (6) downwards, the top of the plug (6)
Portion makes the inner wall of inner ring (102) form cavity far from inner ring after molding (102) and outer ring (103)；It is opened second step, it is described
Supporting plate (5) moves down distance b again and drives drag hook (10) down, drag hook (10) the pulled down plug fixing sleeve
(7) boss (7.1), the top of the plug fixing sleeve (7) far from inner ring after molding (102) and outer ring (103) simultaneously at
Inner ring (102) radial contraction after type, last front template (1), rear pattern plate (2), mavable module core (3), quiet mode (4) complete demoulding.
2. a kind of injection mold of the secondary demoulding in dynamic model side muscle position according to claim 1, it is characterised in that: the drag hook
(10) limited block (10.1) there are two inside bending is set at the top of, two pieces of limited blocks (10.1) are symmetrically positioned in plug fixing sleeve
(7) outside, the distance between two pieces of limited blocks (10.1) are greater than the outer diameter of plug fixing sleeve (7) ontology and are less than convex block (7.1)
Outer diameter, downward two pieces of limited blocks (10.1) driving convex block (7.1) of the drag hook (10) synchronizes downwards.
3. a kind of injection mold of the secondary demoulding in dynamic model side muscle position according to claim 1, it is characterised in that: the plug
The notch (7.2) of molding inner ring (102) barb is equipped at the top of the inner wall of fixing sleeve (7), outside the top of the plug fixing sleeve (7)
The smaller type chamber for forming molding outer ring (103) with mavable module core (3) in molding of diameter.
4. a kind of injection mold of the secondary demoulding in dynamic model side muscle position according to claim 1, it is characterised in that: die sinking first
Step, the top of the plug fixing sleeve (7) are lower than the bottom of inner ring (102).
5. a kind of injection mold of the secondary demoulding in dynamic model side muscle position according to claim 1, it is characterised in that: the plug
The inner hole clearance fit on the top of fixing sleeve (7) and rear pattern plate (2), mavable module core (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764587.6A CN110524804B (en) | 2019-08-19 | 2019-08-19 | Injection mold for secondary demolding of movable mold side rib position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764587.6A CN110524804B (en) | 2019-08-19 | 2019-08-19 | Injection mold for secondary demolding of movable mold side rib position |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110524804A true CN110524804A (en) | 2019-12-03 |
| CN110524804B CN110524804B (en) | 2021-07-02 |
Family
ID=68663879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910764587.6A Active CN110524804B (en) | 2019-08-19 | 2019-08-19 | Injection mold for secondary demolding of movable mold side rib position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110524804B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3540354C2 (en) * | 1984-11-15 | 1989-09-14 | Karl 7298 Lossburg De Hehl | |
| US20020037389A1 (en) * | 2000-09-28 | 2002-03-28 | Tetsuya Miyano | Mounting structure of clip to resin molded article and mounting structure and manufacturing method of resin molded article |
| CN2626710Y (en) * | 2003-06-20 | 2004-07-21 | 顺德市顺达电脑厂有限公司 | Enforced stripping structure |
| CN101885227A (en) * | 2010-07-27 | 2010-11-17 | 冠捷显示科技（厦门）有限公司 | A kind of demoulding device for barb injection molded part |
| CN103496059A (en) * | 2013-09-23 | 2014-01-08 | 凡嘉科技（无锡）有限公司 | Forced demolding structure for outwards convex inverted products |
| CN103507187A (en) * | 2013-10-12 | 2014-01-15 | 凡嘉科技（无锡）有限公司 | Structure used for forcibly demoulding inverted buckle at lower part of finished product and provided with floating insert |
-
2019
- 2019-08-19 CN CN201910764587.6A patent/CN110524804B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3540354C2 (en) * | 1984-11-15 | 1989-09-14 | Karl 7298 Lossburg De Hehl | |
| US20020037389A1 (en) * | 2000-09-28 | 2002-03-28 | Tetsuya Miyano | Mounting structure of clip to resin molded article and mounting structure and manufacturing method of resin molded article |
| CN2626710Y (en) * | 2003-06-20 | 2004-07-21 | 顺德市顺达电脑厂有限公司 | Enforced stripping structure |
| CN101885227A (en) * | 2010-07-27 | 2010-11-17 | 冠捷显示科技（厦门）有限公司 | A kind of demoulding device for barb injection molded part |
| CN103496059A (en) * | 2013-09-23 | 2014-01-08 | 凡嘉科技（无锡）有限公司 | Forced demolding structure for outwards convex inverted products |
| CN103507187A (en) * | 2013-10-12 | 2014-01-15 | 凡嘉科技（无锡）有限公司 | Structure used for forcibly demoulding inverted buckle at lower part of finished product and provided with floating insert |
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| Publication number | Publication date |
|---|---|
| CN110524804B (en) | 2021-07-02 |
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