CN109203381A - A kind of injection mold of screw thread demoulding - Google Patents
A kind of injection mold of screw thread demoulding Download PDFInfo
- Publication number
- CN109203381A CN109203381A CN201810901980.0A CN201810901980A CN109203381A CN 109203381 A CN109203381 A CN 109203381A CN 201810901980 A CN201810901980 A CN 201810901980A CN 109203381 A CN109203381 A CN 109203381A
- Authority
- CN
- China
- Prior art keywords
- gear
- fixedly connected
- dynamic model
- template
- guide rod
- 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.)
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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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- 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
- B29C45/4471—Removing or ejecting moulded articles for undercut articles using flexible or pivotable undercut forming elements
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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 molds of screw thread demoulding, including dynamic model and cover half, template is slidably connected between the dynamic model and cover half, one end of the dynamic model is rotatably connected to the first gear and second gear being set side by side, it is intermeshed between the first gear and second gear, and first gear is fixedly connected with the first guide rod close to one end of dynamic model, the second gear is fixedly connected with the second guide rod close to one end of dynamic model, second guide rod runs through far from the lower end that one end of dynamic model is fixedly connected with dynamic model described in second bevel gear connecting column, the upper end of the connecting column is fixedly connected with first bevel gear, the first bevel gear and second bevel gear intermeshing, the lower end of the connecting column is fixedly connected with tooth post.Structure of the invention is novel, stable, makes internal first screw head and the rotation demoulding of the second screw head by providing power in dynamic model Recovery Process, compact-sized, demoulds the simpler saving time, reduces die cost.
Description
Technical field
The present invention relates to the injection molds that injection mold demoulding mechanism technical field more particularly to a kind of screw thread demould.
Background technique
The prior art realizes forced stripper mechanism in injection mold undercut, it is desirable that before undercut first with inclined guide pillar or
Oil cylinder drives core pulling, then space needed for providing plastic product flexible deformation starts undercut again.In existing moulding
Usually there are some plastic part disposed threads to cause more difficult using inclined guide pillar demoulding, and the undercut of the prior art is forced
There are mechanism complexity, the deficiency that demoulding is time-consuming, unreliable, die cost is high for demoulding.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of injection molding of screw thread demoulding proposed
Mold.
To achieve the goals above, present invention employs following technical solutions:
A kind of injection mold of screw thread demoulding, including dynamic model and cover half, slidably connect template, institute between the dynamic model and cover half
The one end for stating dynamic model is rotatably connected to the first gear and second gear being set side by side, between the first gear and second gear
Intermeshing, and first gear is fixedly connected with the first guide rod close to one end of dynamic model, the second gear close to dynamic model one
End is fixedly connected with the second guide rod, and second guide rod is fixedly connected with dynamic model described in second bevel gear far from one end of dynamic model
Through there is connecting column, the upper end of the connecting column is fixedly connected with first bevel gear, the first bevel gear and the second cone for lower end
Gear intermeshing, the lower end of the connecting column are fixedly connected with tooth post, and the upper end of the template and cover half is equipped with cavity, described
The inside of cavity is fixedly connected with axle sleeve, and the cavity slidably connects pushing block, the pushing block and axle sleeve close to one end of template
Between be equipped with spring.
Preferably, the inside of the template is equipped with die cavity, and first guide rod is fixedly connected far from one end of first gear
There is the first screw head, second guide rod is fixedly connected with the second screw head, second screw head and the second spiral shell close to one end of template
Head is located at the inside of die cavity.
Preferably, the cover half is fixedly connected with stroke plate close to one end of guide post, and the stroke plate is far from cover half
One end is toothed around, and is intermeshed between the gear teeth and tooth post.
Preferably, the dynamic model is fixedly connected with guide post close to one end of template and cover half, the template and cover half
Inside is equipped with guide groove, and the guide post is located at the inside of guide groove.
Preferably, the cover half is fixedly connected with sprue bush far from one end of dynamic model.
Preferably, the pushing block is fixedly connected with mandril close to one end of cover half, and the mandril runs through spring and axle sleeve, and
Mandril is fixedly connected with baffle far from one end of pushing block.
In the present invention, when user uses the device, dynamic model, which moves right, first resists template and continues to move right, and presses
Template is fitted closely with cover half, by pushing block compressed spring, is poured plastic melting pulp from sprue bush, into die cavity, after cooling,
Pull dynamic model to move downward, spring first pushes pushing block to separate template and cover half, and plastic part finished product and sprue bush separate, dynamic model after
Continuous to move downward, the gear teeth meshing in tooth post and stroke plate rotates connecting column, and first bevel gear drives second bevel gear to turn
It is dynamic, and the second gear on the second guide rod passes through and first gear engaged transmission rotates the first guide rod, the first screw head and second
Screw head rotation demoulds plastic part finished product, completes injection molding process.Structure of the invention is novel, stable, is returned by dynamic model
Power is provided during multiple makes internal first screw head and the rotation demoulding of the second screw head, compact-sized, when demoulding simpler saving
Between, reduce die cost.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the injection mold of screw thread demoulding proposed by the present invention.
In figure: 1 dynamic model, 2 pushing blocks, 3 springs, 4 mandrils, 5 cover half, 6 axle sleeves, 7 baffles, 8 templates, 9 first screw heads, 10 cast gates
Set, 11 second screw heads, 12 guide posts, 13 stroke plates, 14 first gears, 15 first guide rods, 16 second guide rods, 17 second gears,
18 second bevel gears, 19 first bevel gears, 20 connecting columns, 21 tooth posts, 22 gear teeth.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1, a kind of injection mold of screw thread demoulding, including dynamic model 1 and cover half 5, are slided between dynamic model 1 and cover half 5
It is connected with template 8, to constitute the basic structure of mold, inside is equipped with die cavity, and one end of dynamic model 1, which is rotatably connected to, to be set side by side
First gear 14 and second gear 17, be intermeshed between first gear 14 and second gear 17, and first gear 14 is close
One end of dynamic model 1 is fixedly connected with the first guide rod 15, and second gear 17 is fixedly connected with the second guide rod close to one end of dynamic model 1
16, to first gear 14 and the intermeshing transmission of second gear 17, guarantee that the first screw head 9 and the second screw head 11 rotate synchronously,
Plastic part is set to fall off and will not be damaged, the second guide rod 16 is fixedly connected with second bevel gear 18 far from one end of dynamic model 1 and moves
Through there is a connecting column 20, the upper end of connecting column 20 is fixedly connected with first bevel gear 19 for the lower end of mould 1, first bevel gear 19 and the
The intermeshing of two bevel gears 18, the lower end of connecting column 20 are fixedly connected with tooth post 21, to pass through in 1 motion process of dynamic model, tooth
The engagement of the gear teeth 22 on column 21 and stroke plate 13 drives first bevel gear 19 and the engaged transmission of second bevel gear 18, template 8 and fixed
The upper end of mould 5 is equipped with cavity, and the inside of cavity is fixedly connected with axle sleeve 6, and cavity slidably connects pushing block close to one end of template 8
2, spring 3 is equipped between pushing block 2 and axle sleeve 6, it is conveniently stripped to being automatically separated between template 8 and cover half 5.
In the present invention, the inside of template 8 is equipped with die cavity, and the first guide rod 15 is fixedly connected with far from one end of first gear 14
First screw head 9, the second guide rod 16 are fixedly connected with the second screw head 11, the second screw head 9 and the second screw head close to one end of template 8
11 are located at the inside of die cavity, and also facilitating while forming the internal whorl of plastic part when being molded makes plastics by rotating screw thread
Part demoulding, cover half 5 are fixedly connected with stroke plate 13 close to one end of guide post 12, and stroke plate 13 is equipped with far from one end of cover half 5
The gear teeth 22 are intermeshed between the gear teeth 22 and tooth post 21, and during conveniently stripped, the gear teeth 22 and the engagement of tooth post 21 are demoulding
First screw head 9 and the second screw head 11 provide rotational power, and dynamic model 1 is fixedly connected with guide post close to one end of template 8 and cover half 5
12, the inside of template 8 and cover half 5 is equipped with guide groove, and guide post 12 is located at the inside of guide groove, to guarantee dynamic model 1 and template
8, it keeps vertical when cover half 5 separates, avoids giving birth to die cavity again and misplace, influence the quality of plastic part finished product, cover half 5 is far from moving
One end of mould 1 is fixedly connected with sprue bush 10, to be poured plastic melting pulp, is convenient for changing cleaning, improves die life, push away
Block 2 is fixedly connected with mandril 4 close to one end of cover half 5, and mandril 4 runs through spring 3 and axle sleeve 6, and mandril 4 far from pushing block 2 one
End is fixedly connected with baffle 7, to guide spring 3, while support shuttering 8, avoids a point mould that template 8 is caused to fall off damage.
In the present invention, when user uses the device, dynamic model 1, which moves right, first resists template 8 and continues to move right, and presses
Moving template 8 is fitted closely with cover half 5, by 2 compressed spring 3 of pushing block, is poured plastic melting pulp from sprue bush 10, into die cavity,
After cooling, pull dynamic model 1 to move downward, spring 3 first pushes pushing block 2 to separate template 8 and cover half 5, plastic part finished product with pour
Muzzle separates, and dynamic model 1 continues to move downward, and the gear teeth 22 in tooth post 21 and stroke plate 13 engage, and rotates connecting column 20, and first
Bevel gear 19 drives second bevel gear 18 to rotate, and the second gear 17 on the second guide rod 16 passes through and the engagement of first gear 14 passes
Dynamic to rotate the first guide rod 15, the first screw head 9 and the rotation of the second screw head 11 demould plastic part finished product, complete injection molding mistake
Journey.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of injection mold of screw thread demoulding, including dynamic model (1) and lower die holder (5), which is characterized in that the dynamic model (1) and
It is slidably connected between lower die holder (5) template (8), one end of the dynamic model (1) is rotatably connected to the first gear being set side by side
(14) and second gear (17) it, is intermeshed between the first gear (14) and second gear (17), and first gear (14)
One end close to dynamic model (1) is fixedly connected with the first guide rod (15), and the second gear (17) is fixed close to the one end of dynamic model (1)
It is connected with the second guide rod (16), second guide rod (16) is fixedly connected with second bevel gear (18) far from the one end of dynamic model (1)
Through having connecting column (20), the upper end of the connecting column (20) is fixedly connected with first bevel gear for the lower end of the dynamic model (1)
(19), the first bevel gear (19) and second bevel gear (18) intermeshing, the lower end of the connecting column (20) is fixedly connected
Have tooth post (21), the upper end of the template (8) and lower die holder (5) is equipped with cavity, and the inside of the cavity is fixedly connected with axle sleeve
(6), the cavity slidably connects pushing block (2) close to one end of template (8), and bullet is equipped between the pushing block (2) and axle sleeve (6)
Spring (3).
2. a kind of injection mold of screw thread demoulding according to claim 1, which is characterized in that the inside of the template (8)
Equipped with die cavity, first guide rod (15) is fixedly connected with the first screw head (9) far from the one end of first gear (14), and described second
Guide rod (16) is fixedly connected with the second screw head (11) close to the one end of template (8), second screw head (9) and the second screw head
(11) it is located at the inside of die cavity.
3. a kind of injection mold of screw thread demoulding according to claim 1, which is characterized in that the lower die holder (5) is close
One end of guide post (12) is fixedly connected with stroke plate (13), and the stroke plate (13) is equipped with wheel far from the one end of lower die holder (5)
Tooth (22) is intermeshed between the gear teeth (22) and tooth post (21).
4. a kind of injection mold of screw thread demoulding according to claim 1, which is characterized in that the dynamic model (1) leans on near-lying mode
One end of plate (8) and lower die holder (5) is fixedly connected with guide post (12), and the inside of the template (8) and lower die holder (5), which is equipped with, leads
To slot, the guide post (12) is located at the inside of guide groove.
5. a kind of injection mold of screw thread demoulding according to claim 1, which is characterized in that the lower die holder (5) is separate
One end of dynamic model (1) is fixedly connected with sprue bush (10).
6. a kind of injection mold of screw thread demoulding according to claim 1, which is characterized in that the pushing block (2) is under
One end of die holder (5) is fixedly connected with mandril (4), and the mandril (4) runs through spring (3) and axle sleeve (6), and mandril (4) is separate
One end of pushing block (2) is fixedly connected with baffle (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810901980.0A CN109203381A (en) | 2018-08-09 | 2018-08-09 | A kind of injection mold of screw thread demoulding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810901980.0A CN109203381A (en) | 2018-08-09 | 2018-08-09 | A kind of injection mold of screw thread demoulding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109203381A true CN109203381A (en) | 2019-01-15 |
Family
ID=64988573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810901980.0A Pending CN109203381A (en) | 2018-08-09 | 2018-08-09 | A kind of injection mold of screw thread demoulding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109203381A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730831A (en) * | 2020-06-15 | 2020-10-02 | 孟燕飞 | Tightness-adjustable injection mold closing and opening device |
| CN111890639A (en) * | 2020-09-30 | 2020-11-06 | 宁波均胜群英汽车系统股份有限公司 | Spiral demolding structure |
| CN112140474A (en) * | 2020-09-10 | 2020-12-29 | 吴保林 | Injection mold is used in working of plastics production |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690924A (en) * | 2013-12-10 | 2015-06-10 | 胡合红 | Thread demoulding device |
| CN105346009A (en) * | 2015-12-08 | 2016-02-24 | 天津中德职业技术学院 | Automatic unscrewing injection mold of light-focusing safe lug lock nut |
| CN106863720A (en) * | 2017-03-29 | 2017-06-20 | 广州顺宸数字测控设备有限公司 | A kind of injection mold |
| CN107443672A (en) * | 2017-03-29 | 2017-12-08 | 广州顺宸数字测控设备有限公司 | A kind of injection mold apparatus |
-
2018
- 2018-08-09 CN CN201810901980.0A patent/CN109203381A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690924A (en) * | 2013-12-10 | 2015-06-10 | 胡合红 | Thread demoulding device |
| CN105346009A (en) * | 2015-12-08 | 2016-02-24 | 天津中德职业技术学院 | Automatic unscrewing injection mold of light-focusing safe lug lock nut |
| CN106863720A (en) * | 2017-03-29 | 2017-06-20 | 广州顺宸数字测控设备有限公司 | A kind of injection mold |
| CN107443672A (en) * | 2017-03-29 | 2017-12-08 | 广州顺宸数字测控设备有限公司 | A kind of injection mold apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730831A (en) * | 2020-06-15 | 2020-10-02 | 孟燕飞 | Tightness-adjustable injection mold closing and opening device |
| CN112140474A (en) * | 2020-09-10 | 2020-12-29 | 吴保林 | Injection mold is used in working of plastics production |
| CN111890639A (en) * | 2020-09-30 | 2020-11-06 | 宁波均胜群英汽车系统股份有限公司 | Spiral demolding structure |
| CN111890639B (en) * | 2020-09-30 | 2021-01-01 | 宁波均胜群英汽车系统股份有限公司 | Spiral demolding structure |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190115 |