CN208428585U - A kind of high-accuracy interior helical teeth demoulding mould - Google Patents
A kind of high-accuracy interior helical teeth demoulding mould Download PDFInfo
- Publication number
- CN208428585U CN208428585U CN201820522095.7U CN201820522095U CN208428585U CN 208428585 U CN208428585 U CN 208428585U CN 201820522095 U CN201820522095 U CN 201820522095U CN 208428585 U CN208428585 U CN 208428585U
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- China
- Prior art keywords
- plate
- helical teeth
- rear pattern
- mold insert
- pattern plate
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Abstract
The utility model discloses a kind of high-accuracy interior helical teeth demoulding moulds, including bottom plate, rear pattern plate, front template and water gap plate, the bottom plate is fixedly connected by support block with rear pattern plate, the bottom plate upper surface is equipped with Ejector Retainer Plate, mandril is installed on the Ejector Retainer Plate, rear cavity is installed inside the rear pattern plate, rear mold mold insert is installed in the rear cavity, bearing is installed in the rear mold mold insert, rear mold mold insert top is equipped with push plate, the rear pattern plate upper surface is equipped with helical teeth mold insert, the rear pattern plate upper surface offers datum hole, the rear pattern plate upper surface is equipped with fine theta positioner, the rear pattern plate upper surface is equipped with guide post, the guide post is plugged in the guide pillar hole opened up on front template, the front template is connect by shutter with water gap plate.The advantages of bolster is aligned when there is the utility model mold to process, and helical teeth mold insert positions when rotating, and is prevented helical teeth mold insert from product being followed to move forward, is guaranteed tooth proportions precision.
Description
Technical field
The utility model relates to technology of die manufacturing field, specially a kind of high-accuracy interior helical teeth demoulding mould.
Background technique
Mold, in industrial production to be molded, be blow molded, squeeze out, die casting or the methods of forging and forming, smelting, punching press obtain
The various moulds and tool of required product.In brief, mold is the tool for making formed article, and this tool is by various
Part is constituted, and different molds is made of different parts.It is mainly realized by the change of physical state of the formed material
The processing of article shape.Existing mold docks irregular in production between bolster, there is a deviation, when helical teeth depanning, has
With ejection device is forced, tooth proportions precision is influenced, the quality of product is influenced.
Utility model content
The purpose of this utility model is to provide a kind of high-accuracy interior helical teeth demoulding mould, upper and lower mould when having mold processing
Plate alignment, helical teeth mold insert position when rotating, and prevent helical teeth mold insert from product being followed to move forward, and guarantee the excellent of tooth proportions precision
Point solves mold and docks in production irregular between bolster, there is a deviation, and when helical teeth depanning, useful pressures ejection takes off
Mould, the problem of influencing tooth proportions precision.
To achieve the above object, the utility model provides the following technical solutions: a kind of high-accuracy interior helical teeth demoulding mould, packet
Bottom plate, rear pattern plate, front template, upper mounted plate, big pull rod and water gap plate are included, the bottom plate passes through support block and rear pattern plate
It is fixedly connected, the bottom plate upper surface is equipped with Ejector Retainer Plate, and the Ejector Retainer Plate top is equipped with thimble panel, described
Grafting is installed into the mandril of rear pattern plate on Ejector Retainer Plate, rear cavity, peace in the rear cavity are installed inside the rear pattern plate
Equipped with rear mold mold insert, bearing is installed in the rear mold mold insert, rear mold mold insert top is equipped with push plate, on the rear pattern plate
Surface is equipped with helical teeth mold insert, and the rear pattern plate upper surface offers datum hole, and the two sides of the rear pattern plate upper surface are equipped with
Fine theta positioner, the two sides of rear pattern plate upper surface rear and front end are equipped with guide post, and the guide post is plugged on front template and opens up
Guide pillar hole in, the front template is connect by shutter with water gap plate, and the front template is equipped with small with water gap plate junction
Pull rod, is equipped with front cavity in the front template, and the front cavity top is equipped with runner plate, under the runner plate and water gap plate
Surface fitting, the runner plate are plugged with drawing material pin, and described drawing material pin one end is plugged in helical teeth mold insert, and the drawing material pin is another
It holds inside the sprue bush being mounted in upper mounted plate, the big pull rod is through to bottom plate from upper mounted plate.
Preferably, the Ejector Retainer Plate quantity is two, and two Ejector Retainer Plates are symmetrical with bottom plate central axes.
Preferably, the helical teeth mold insert quantity is two, and two helical teeth mold inserts are symmetrically divided with rear pattern plate upper surface central axes
Cloth.
Preferably, the fine theta positioner quantity is four, and two fine theta positioners are distributed in the two sides of rear pattern plate upper surface, two
A fine theta positioner is distributed in the two sides of front template lower surface, and four fine theta positioner positions are corresponding.
Preferably, gradient tooth form is opened up on the inside of the helical teeth mold insert.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, for the utility model by setting bearing, positioning when having reached the rotation of helical teeth mold insert prevents helical teeth mold insert from and then producing
Product move forward, and guarantee the effect of tooth proportions precision, and the utility model is provided with bearing, and the bearing used is band thrust ball
The bearing of needle roller, the bearing can bear radial load and axial load simultaneously, and have longer positioning section, and helical teeth can be effectively ensured
Orientation problem when mold insert rotates, while can prevent helical teeth mold insert from product being followed to move forward, and when ejecting push plate, product is transported forward
Dynamic, helical teeth back-off resistance rotates helical teeth mold insert along product gradient direction, bearing guarantee the rotation of helical teeth mold insert it is smooth with it is steady
It is qualitative.
2, the utility model is by setting datum hole and fine theta positioner, the effect of bolster alignment when having reached mold processing
Fruit, the utility model are provided with datum hole and fine theta positioner, gear product, the engagement to tooth form, the concentricity equidimension of product
There is higher requirement, is fixed front template and rear pattern plate together using guide post and fine theta positioner, and cut in same position isochrone
One datum hole, remaining parts slot guarantee the concentricity of front template and rear pattern plate, effectively control using this datum hole as machining benchmark
Orientation problem is worn in the wiping of front template and rear pattern plate part processed.
3, the utility model has achieved the effect that smooth ejecting product, the utility model are provided with by setting shutter
Shutter, mold die sinking, because there is shutter between front template and rear pattern plate, under the spring moment auxiliary power in lower link bar,
Water gap plate is first opened with front template, and material head and product disconnect, and it is 115mm that lower link bar, which controls this die sinking distance, then upper mounted plate
10mm is opened with water gap plate.Material head is set to fall automatically, then front template and rear pattern plate are opened, and injection molding machine is by pushing thimble bottom
Plate makes mandril push push plate, ejects product smoothly.
4, the utility model passes through setting drawing material pin, has reached at 4 points into glue, has guaranteed the filling balance and size of product
The effect of stability, the utility model are provided with drawing material pin, and there are four draw material pin, mold clamping melting for each helical teeth mold insert connection
Plastics, by drawing the runner in material pin to flow to cavity forming, have reached at 4 points into glue, have guaranteed that the filling of product is flat from sprue bush
The purpose of the stability of weighing apparatus and size.
Detailed description of the invention
Fig. 1 is the front cross-sectional structural schematic diagram of the utility model；
Fig. 2 is the left side schematic cross-sectional view of the utility model；
Fig. 3 is the right side schematic cross-sectional view of the utility model；
Fig. 4 is the rear pattern plate overlooking structure diagram of the utility model；
Fig. 5 is the front template present invention looks up structural representation of the utility model.
In figure: 1, bottom plate；2, rear pattern plate；3, rear cavity；4, helical teeth mold insert；5, front template；6, upper mounted plate；7,
Draw material pin；8, runner plate；9, front cavity；10, push plate；11, rear mold mold insert；12, bearing；13, Ejector Retainer Plate；14, thimble panel；
15, big pull rod；16, water gap plate；17, lower link bar；18, sprue bush；19, shutter；20, mandril；21, support block；22, guide post；
23, datum hole；24, fine theta positioner；25, guide pillar hole.
Specific embodiment
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
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 to Fig. 5 is please referred to, a kind of embodiment provided by the utility model: a kind of high-accuracy interior helical teeth demoulding mould, packet
Bottom plate 1, rear pattern plate 2, front template 5, upper mounted plate 6, big pull rod 15 and water gap plate 16 are included, bottom plate 1 passes through support block 21
It is fixedly connected with rear pattern plate 2,1 upper surface of bottom plate is equipped with Ejector Retainer Plate 13, and 13 quantity of Ejector Retainer Plate is two, two tops
Needle bottom plate 13 is symmetrical with 1 central axes of bottom plate, and 13 top of Ejector Retainer Plate is equipped with thimble panel 14, Ejector Retainer Plate 13
On grafting is installed into the mandril 20 of rear pattern plate 2, rear cavity 3 is installed inside rear pattern plate 2, rear mold edge is installed in rear cavity 3
Part 11 is equipped with bearing 12 in rear mold mold insert 11, and the bearing 12 used is the bearing 12 with thrust ball needle roller, which can
Radial load and axial load are born simultaneously, and has longer positioning section, positioning when helical teeth mold insert 4 rotates can be effectively ensured and ask
Topic, while can prevent helical teeth mold insert 4 from product being followed to move forward, when push plate 10 ejects, product travels forward, and helical teeth is buckled to resistance
Rotate helical teeth mold insert 4 along product gradient direction, bearing 12 guarantees the smooth and stability that helical teeth mold insert 4 rotates, rear mold edge
11 top of part is equipped with push plate 10, and 2 upper surface of rear pattern plate is equipped with helical teeth mold insert 4, and 4 quantity of helical teeth mold insert is two, and two tiltedly
Tooth mold insert 4 is symmetrical with 2 upper surface central axes of rear pattern plate, and gradient tooth form, table on rear pattern plate 2 are opened up on the inside of helical teeth mold insert 4
Face offers datum hole 23, and the two sides of 2 upper surface of rear pattern plate are equipped with fine theta positioner 24, and 24 quantity of fine theta positioner is four, and two
A fine theta positioner 24 is distributed in the two sides of 2 upper surface of rear pattern plate, and two fine theta positioners 24 are distributed in the two of 5 lower surface of front template
Side, four 24 positions of fine theta positioner are corresponding, and the two sides of 2 upper surface rear and front end of rear pattern plate are equipped with guide post 22, utilize guide post
22 and fine theta positioner 24 front template 5 and rear pattern plate 2 are fixed together, and cut a datum hole 23 in same position isochrone, remaining
Parts groove is machining benchmark with this datum hole 23, guarantees the concentricity of front template 5 and rear pattern plate 2, effectively controls front template 5
Orientation problem is worn in wiping with 2 part of rear pattern plate, and guide post 22 is plugged in the guide pillar hole 25 opened up on front template 5, and front template 5 passes through
Shutter 19 is connect with water gap plate 16, mold die sinking, because there is shutter 19 between front template 5 and rear pattern plate 2, in lower link bar 17
Under interior spring moment auxiliary power, water gap plate 16 is first opened with front template 5, and material head and product disconnect, and lower link bar 17 controls this
Die sinking distance is that 115mm, then upper mounted plate 6 and water gap plate 16 open 10mm.Material head is set to fall automatically, then front template 5
It is opened with rear pattern plate 2, injection molding machine makes mandril 20 push push plate 10, eject product smoothly by promotion Ejector Retainer Plate 13, preceding mould
Plate 5 and 16 junction of water gap plate are equipped with lower link bar 17, front cavity 9 are equipped in front template 5,9 top of front cavity is equipped with stream
Guidance tape 8, runner plate 8 are bonded with 16 lower surface of water gap plate, and runner plate 8, which is plugged with, draws material pin 7, and each helical teeth mold insert 4 is connected with four
A drawing material pin 7, mold clamping molten plastic, by drawing the runner in material pin 7 to flow to cavity forming, reach from sprue bush 18
4 points, into glue, guarantee the effect of the filling balance of product and the stability of size, 7 one end of material pin are drawn to be plugged in helical teeth mold insert 4,
7 other end of material pin is drawn to be mounted on inside the sprue bush 18 in upper mounted plate 6, big pull rod 15 is through to lower fixation from upper mounted plate 6
Plate 1.
Working principle: in utility model works, using guide post 22 and fine theta positioner 24 by front template 5 and rear pattern plate 2 one
It rises and fixes, and cut a datum hole 23 in same position isochrone, remaining parts slot is machining benchmark, mould with this datum hole 23
Tool molding molten plastic flow to cavity forming by the runner in drawing material pin 7 from sprue bush 18, when mold is opened, in small drawing
Under spring moment auxiliary power in bar 17, water gap plate 16 is first opened with front template 5, and material head and product disconnect, then upper to fix
Plate 6 and water gap plate 16 are opened, and material head is enable to fall automatically, and then front template 5 and rear pattern plate 2 are opened, and injection molding machine is by pushing top
Needle bottom plate 13 makes mandril 20 push push plate 10, ejects product smoothly, more preferable compared to traditional product.
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 is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of high-accuracy interior helical teeth demoulding mould, including bottom plate (1), rear pattern plate (2), front template (5), upper mounted plate
(6), big pull rod (15) and water gap plate (16), it is characterised in that: the bottom plate (1) passes through support block (21) and rear pattern plate (2)
It is fixedly connected, bottom plate (1) upper surface is equipped with Ejector Retainer Plate (13), and Ejector Retainer Plate (13) top is equipped with top
Dial plate (14), be equipped on the Ejector Retainer Plate (13) grafting into rear pattern plate (2) mandril (20), in the rear pattern plate (2)
Portion is equipped with rear cavity (3), is equipped with rear mold mold insert (11) in the rear cavity (3), is equipped in the rear mold mold insert (11)
Bearing (12), rear mold mold insert (11) top are equipped with push plate (10), and rear pattern plate (2) upper surface is equipped with helical teeth mold insert
(4), rear pattern plate (2) upper surface offers datum hole (23), and the two sides of rear pattern plate (2) upper surface are equipped with fine positioning
The two sides of device (24), rear pattern plate (2) the upper surface rear and front end are equipped with guide post (22), and the guide post (22) is plugged on preceding mould
In the guide pillar hole (25) opened up on plate (5), the front template (5) is connect by shutter (19) with water gap plate (16), before described
Template (5) and water gap plate (16) junction are equipped with lower link bar (17), are equipped with front cavity (9) in the front template (5), described
Front cavity (9) top is equipped with runner plate (8), and the runner plate (8) is bonded with water gap plate (16) lower surface, the runner plate
(8) it is plugged with and draws material pin (7), described drawing material pin (7) one end is plugged in helical teeth mold insert (4), drawing material pin (7) other end peace
Sprue bush (18) in upper mounted plate (6) is internal, and the big pull rod (15) is through to bottom plate from upper mounted plate (6)
(1)。
2. the high-accuracy interior helical teeth demoulding mould of one kind according to claim 1, it is characterised in that: the Ejector Retainer Plate (13)
Quantity is two, and two Ejector Retainer Plates (13) are symmetrical with bottom plate (1) central axes.
3. the high-accuracy interior helical teeth demoulding mould of one kind according to claim 1, it is characterised in that: the helical teeth mold insert (4)
Quantity is two, and two helical teeth mold inserts (4) are symmetrical with rear pattern plate (2) upper surface central axes.
4. the high-accuracy interior helical teeth demoulding mould of one kind according to claim 1, it is characterised in that: the fine theta positioner (24)
Quantity is four, and two fine theta positioners (24) are distributed in the two sides of rear pattern plate (2) upper surface, and two fine theta positioners (24) are distributed in
The two sides of front template (5) lower surface, four fine theta positioner (24) positions are corresponding.
5. the high-accuracy interior helical teeth demoulding mould of one kind according to claim 1, it is characterised in that: the helical teeth mold insert (4)
Inside opens up gradient tooth form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820522095.7U CN208428585U (en) | 2018-04-13 | 2018-04-13 | A kind of high-accuracy interior helical teeth demoulding mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820522095.7U CN208428585U (en) | 2018-04-13 | 2018-04-13 | A kind of high-accuracy interior helical teeth demoulding mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208428585U true CN208428585U (en) | 2019-01-25 |
Family
ID=65105552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820522095.7U Expired - Fee Related CN208428585U (en) | 2018-04-13 | 2018-04-13 | A kind of high-accuracy interior helical teeth demoulding mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208428585U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112810077A (en) * | 2020-12-30 | 2021-05-18 | 东风汽车集团有限公司 | Auxiliary runner structure for preventing injection molding product from deforming |
| CN113103513A (en) * | 2020-10-11 | 2021-07-13 | 李文彬 | Mold mechanism for pushing helical teeth out by pushing plate |
-
2018
- 2018-04-13 CN CN201820522095.7U patent/CN208428585U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103513A (en) * | 2020-10-11 | 2021-07-13 | 李文彬 | Mold mechanism for pushing helical teeth out by pushing plate |
| CN112810077A (en) * | 2020-12-30 | 2021-05-18 | 东风汽车集团有限公司 | Auxiliary runner structure for preventing injection molding product from deforming |
| CN112810077B (en) * | 2020-12-30 | 2022-02-08 | 东风汽车集团有限公司 | Auxiliary runner structure for preventing injection molding product from deforming |
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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: 20190125 Termination date: 20210413 |