CN207954510U - Mold for making resin piece and rubber combination product - Google Patents
Mold for making resin piece and rubber combination product Download PDFInfo
- Publication number
- CN207954510U CN207954510U CN201820289483.5U CN201820289483U CN207954510U CN 207954510 U CN207954510 U CN 207954510U CN 201820289483 U CN201820289483 U CN 201820289483U CN 207954510 U CN207954510 U CN 207954510U
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- CN
- China
- Prior art keywords
- resin piece
- formed product
- mold
- lower die
- rubber combination
- 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.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model is related to the molds for making resin piece and rubber combination product, belong to technical field of mold.It includes holding pad, upper die and lower die, upper die and lower die cooperatively form formed product slot and flash groove, flash groove is arranged around formed product slot and is connected to by fine crack with formed product slot, upper mold is equipped with the laminar sprue being connected to formed product slot, lower die is equipped with the positioning ejection hole for placing resin piece being connected with formed product slot, and upper die and lower die corresponding position is set in the sealing ring of formed product slot and positioning ejection hole junction；Holding pad is set to upper mold and is pressed into formed product slot for that will expect.The utility model sealing ring can compress resin piece, make rubber that can not overflow；Sprue is not directly arranged on product face, is coordinated using laminar sprue, flash groove and cushion chamber, makes product appearance without die joint burr rim charge；Finished product does not have to reprocessing flash, and cost of labor expense, and the appearance of product more smooth and beautiful appearance is greatly saved.
Description
Technical field
The utility model is related to technical field of mold, more specifically a kind of that production being combined with rubber for making resin piece
The mold of product is mainly used to generate the high-accuracy product that Teflon resin part is combined with rubber.
Background technology
With the universal of vehicle private car, there is congestion in traffic, and more and more people's choice for traveling takes public transport, at this
Under background, high ferro development is getting faster, and the update of spare and accessory parts in high ferro is also getting faster, rubber and gold utensil knot and sophisticated product
Also it is more and more used in key position, the component of similar braking, damping, power transmission etc. is also more and more.
In high ferro braking, there is a precise product, is mainly used in high ferro braking supply valve, is a pass therein
Keyness energy part, very high to part self-lubricating requirement, his requirement is not achieved in ordinary resin part, and ordinary resin part applies lubricating oil again
His life requirements is not achieved, so finally having selected the extraordinary Teflon resin part of self-lubricating.
But during the combination of Teflon resin part and rubber produces, it is easy to exist in conjunction with untight problem,
So that rubber during injection molding, is easy to expose in the gap between Teflon resin part and mold, cause last
Finished product there are burr or directly it is unqualified.
Utility model content
The purpose of the utility model is to overcome above-mentioned deficiencies existing in the prior art, and provide a kind of for making tree
The mold of fat part and rubber combination product can quickly produce the production that the Teflon resin part of impulse- free robustness rim charge is combined with rubber
Product.
The technical scheme in the invention for solving the above technical problem is：For making resin piece and rubber combination product
Mold, including holding pad, upper die and lower die, upper die and lower die cooperatively form formed product slot and flash groove, and flash groove surrounds
Formed product slot is arranged and is connected to by fine crack with formed product slot, and upper mold is equipped with the laminar material feeding being connected to formed product slot
Mouthful, lower die be equipped with for place resin piece positioning eject hole, the positioning ejection hole be connected with the formed product slot, it is described on
Mould and the corresponding position of lower die are equipped with a pair of of sealing ring,
The sealing ring is located at the junction of formed product slot and positioning ejection hole；The holding pad will material indentation product at
In type groove.
Further, the side wall of the flash groove is arranged to bottom angled.
Further, the upper mold is equipped with material chamber, and the holding pad is inserted into material chamber, and the upper mold is equipped with material hole, should
Material hole connection material chamber and sprue.
Further, the material chamber side wall is equipped with drafting angle.
Further, the lower die is additionally provided with cushion chamber；The cushion chamber is located at below material hole, and is connected with sprue
It is logical.
Further, the holding pad is equipped with material chamber ring, and expects that chamber ring position is corresponding with material feeding hole site.
Further, the upper mold is additionally provided with the guide post for fixing resin part, and the guide post corresponds to the positioning ejection
Hole is arranged.
Further, the guide post, which is equipped with, is oriented to taper, and the lower die is run through in positioning ejection hole.
Further, crow bar mouth is equipped between the holding pad and upper mold, between upper die and lower die.
Further, the holding pad, upper die and lower die periphery are equipped with handle.
The utility model compared with prior art, has the following advantages and effect：It is arranged on the utility model upper and lower mould
Sealing ring can compress resin piece, make rubber that can not overflow；Sprue is not directly arranged on product face, but uses flakelet
The design structure of shape sprue and product periphery flash groove, and increase the design of material feeding buffer structure, make product appearance without die joint
Burr rim charge；The product produced does not have to reprocessing flash, cost of labor expense is greatly saved, and the appearance of product is more
Add smooth and beautiful appearance.
Description of the drawings
Fig. 1 is the cross section structure schematic diagram of an embodiment of the utility model；
Fig. 2 is the enlarged structure schematic diagram at the A in Fig. 1；
Fig. 3 is the partial enlargement structural representation at the B in Fig. 1；
Fig. 4 is cross-sectional view at the C-C in Fig. 3.
Each reference numeral is in figure：1, holding pad, 2, upper mold, 3, lower die, 4, handle, 5, guide positioning pin, 6, crow bar mouth,
7, expect chamber, 8, material chamber ring, 9, material hole, 10, cushion chamber, 11, sprue, 12, flash groove, 13, sealing ring, 14, guide post, 15,
Positioning ejection hole, 16, resin piece, 17, formed product slot.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
Referring to Fig. 1-Fig. 4, the present embodiment is a kind of mold for making resin piece and rubber combination product, including binder
Plate 1, upper mold 2, lower die 3.Upper mold 2 and lower die 3 are accurately fixed using the dual cooperation of concave-convex mold self-localization method and guide positioning pin 5
Position, it is ensured that mold does not misplace.
Upper mold 2 and lower die 3 cooperatively form formed product slot 17, and lower die 3 is equipped with positioning ejection hole 15, positioning ejection hole 15 with
Formed product slot 17 is connected, and can be used for placing Teflon resin part 16.After resin piece 16 is put into positioning ejection hole 15, a part is still
Old to be located on positioning ejection hole 15, a part passes through the gap of upper mold 2 and lower die 3 to penetrate in formed product slot 17.Product at
After type, taking can be ejected by this positioning ejection hole 15 with device when product, and product is easily taken out.
Upper mold is equipped with the sprue 11 being connected to formed product slot 17, and the sprue 11 is flaky, and vulcanization can be made complete
Product design is more attractive.
A pair of of sealing ring 8 is equipped on 3 corresponding position of upper mold 2 and lower die, and sealing ring 8 is located at formed product slot 17
With the junction in positioning ejection hole 15.When upper and lower mould is engaged, sealing ring 8 under force can clamp resin piece 16,
And it is tightly bonded the surface of resin piece 16, so that rubber can not overflow.
Anti-deformation guide post 14 is additionally provided in upper mold 2, corresponding positioning ejection hole 15 is arranged, and can be used for fixing resin part 16.It leads
There are guiding taper design, the outward radial tip of guide post 14 to be gradually reduced on column 14.Guide post 14 is located at positioning ejection hole 15
Inside, when upper and lower mould is engaged, the endoporus that guide post 14 can support resin piece 16 keeps its non-deformable, and its taper is set
Meter so that guide post 14, can be more smooth when stretching into the endoporus of resin piece 16, do not easily cause resin piece 16 displacement or
Deformation.
Holding pad 1 is set to upper mold 2 and is pressed into formed product slot 17 for that will expect.In one embodiment, upper mold 2 sets that there are one big
Expect that chamber 7, quick-served semi-finished rubber mass are put into.Holding pad 1 is inserted into material chamber 7, and semi-finished rubber material is pressed into formed product slot
17.Expect that the side wall of chamber 7 is equipped with certain drafting angle, folding modulo operation is made to be easier.
Upper mold 2 is additionally provided with two material holes 9, and the connection of material hole 9 material chamber 7 and sprue 11, semi-finished rubber can be direct
Sprue 11 is flowed to by material hole 9 from material chamber 7.The shape of material hole 9 is inverted conical, and diameter connects from material chamber 7
Locate to be gradually reduced toward bottom end.The inverted conical setting of material hole 9 can increase rubber flowing velocity, and take out more square when rim charge
Just.
Material chamber ring 8 is additionally provided on holding pad 1, the position of material chamber ring 8 is just corresponding with material hole 9, can make semi-finished product
Rubber is fluidly easier, more rapidly enters in material hole 9 during holding pad 1 constantly pushes.
Lower die 3 is equipped with cushion chamber 10, and cushion chamber 10 is arranged in correspondence in the lower section of material hole 9.Semi-finished rubber material passes through
After material hole 9, after obtaining buffering in cushion chamber 10, then by the entrance formed product of sprue 11 slot 17.When semi liquid state
After material hole 9, injection pressure increases rubber, into lower die cushion chamber when can play buffering effect, reduce in rubber
The impurity and stomata in portion.
Upper mold 2 and lower die 3 also cooperatively form the flash groove 12 of annular, and flash groove 12 is in along the periphery of formed product slot 17
Annular setting, and flash groove 12 is connected to 17 joint of formed product slot in slot-shaped.The side wall of flash groove 12 is at the top of distinguishing
It is arranged with bottom angled opening-like so that the inner space of flash groove 12 is from gradual outward with the junction of formed product slot 17
Expand, the hexagonal shape in cross section of flash groove 12.During formed product, extra semi-liquid rubber can be in power
It is flowed under effect in flash groove 12.After having vulcanized the rim charge in removal flash groove 12, product periphery reaches can be without die joint burr
Effect.
In this present embodiment, at the same be equipped with multiple material holes 9 and multiple sprues 11, vulcanization when above and below can simultaneously into
Material, and can could quickly fill up cavity, be disposed together with the sprue rim charge surplus material a small amount of with material intracavitary after the completion of vulcanization, easily with production
Product detach so that product appearance perfection impulse- free robustness rim charge.
It is designed with crow bar mouth 6 between holding pad 1 and upper mold 2, between upper mold 2 and lower die 3.When mold mold it is relatively difficult,
When snap gauge occurs, mold can be opened by prying open crow bar mouth.
The periphery of holding pad 1, upper mold 2 and lower die 3 is equipped with handle 4, increases the manual operability of mold.
Although the utility model is disclosed as above with embodiment, it is not limited to the protection model of the utility model
Enclose, any technical staff for being familiar with this technology, in the conception and scope for not departing from the utility model made by change and profit
Decorations, all should belong to the protection range of the utility model.
Claims (10)
1. a kind of mold for making resin piece and rubber combination product, it is characterised in that：Including holding pad, upper mold and under
Mould, upper die and lower die cooperatively form formed product slot and flash groove, and flash groove is around the setting of formed product slot and and formed product
Slot is connected to by fine crack, and upper mold is equipped with the laminar sprue being connected to formed product slot, and lower die is equipped with for placing resin piece
Positioning eject hole, the positioning ejection hole be connected with the formed product slot, set on the corresponding position of upper die and lower die
There are a pair of of sealing ring, the sealing ring to be located at the junction of formed product slot and positioning ejection hole；The holding pad is set to upper mold
For that will expect to be pressed into formed product slot.
2. the mold according to claim 1 for making resin piece and rubber combination product, it is characterised in that：It is described to overflow
The side wall of hopper to respectively top and bottom be obliquely installed it is opening-like so that the inner space of flash groove from formed product slot
Junction be gradually expanded outward.
3. the mold according to claim 1 for making resin piece and rubber combination product, it is characterised in that：On described
Mould is equipped with material chamber, and the holding pad is inserted into material chamber, and the upper mold is equipped with material hole, material hole connection material chamber and sprue.
4. the mold according to claim 3 for making resin piece and rubber combination product, it is characterised in that：The material
Chamber side wall is equipped with drafting angle.
5. the mold according to claim 3 for making resin piece and rubber combination product, it is characterised in that：Under described
Mould is additionally provided with cushion chamber；The cushion chamber is located at below material hole, and is connected with sprue.
6. the mold according to claim 3 for making resin piece and rubber combination product, it is characterised in that：The pressure
Flitch is equipped with material chamber ring, and expects that chamber ring position is corresponding with material feeding hole site.
7. the mold according to claim 1 for making resin piece and rubber combination product, it is characterised in that：On described
Mould is additionally provided with the guide post for fixing resin part, and the guide post corresponds to positioning ejection hole setting.
8. the mold according to claim 7 for making resin piece and rubber combination product, it is characterised in that：It is described to lead
Column, which is equipped with, is oriented to taper, and the lower die is run through in positioning ejection hole.
9. the mold according to claim 1 for making resin piece and rubber combination product, it is characterised in that：The pressure
Crow bar mouth is equipped between flitch and upper mold, between upper die and lower die.
10. the mold according to claim 1 for making resin piece and rubber combination product, it is characterised in that：It is described
Holding pad, upper die and lower die periphery are equipped with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820289483.5U CN207954510U (en) | 2018-03-01 | 2018-03-01 | Mold for making resin piece and rubber combination product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820289483.5U CN207954510U (en) | 2018-03-01 | 2018-03-01 | Mold for making resin piece and rubber combination product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207954510U true CN207954510U (en) | 2018-10-12 |
Family
ID=63740656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820289483.5U Expired - Fee Related CN207954510U (en) | 2018-03-01 | 2018-03-01 | Mold for making resin piece and rubber combination product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207954510U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300833A (en) * | 2019-11-29 | 2020-06-19 | 南京金三力橡塑有限公司 | Hydrogenated nitrile rubber PCV valve diaphragm forming die for automobile and processing method |
| CN113001831A (en) * | 2019-12-20 | 2021-06-22 | 中国石油天然气股份有限公司 | Wax ball manufacturing method |
| CN115139462A (en) * | 2022-05-26 | 2022-10-04 | 东风柳州汽车有限公司 | Reaction injection molding die and preparation method of reaction injection molding product |
-
2018
- 2018-03-01 CN CN201820289483.5U patent/CN207954510U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300833A (en) * | 2019-11-29 | 2020-06-19 | 南京金三力橡塑有限公司 | Hydrogenated nitrile rubber PCV valve diaphragm forming die for automobile and processing method |
| CN113001831A (en) * | 2019-12-20 | 2021-06-22 | 中国石油天然气股份有限公司 | Wax ball manufacturing method |
| CN115139462A (en) * | 2022-05-26 | 2022-10-04 | 东风柳州汽车有限公司 | Reaction injection molding die and preparation method of reaction injection molding product |
| CN115139462B (en) * | 2022-05-26 | 2023-12-15 | 东风柳州汽车有限公司 | Reaction injection molding die and preparation method of reaction injection molding product |
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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: 20181012 Termination date: 20210301 |