CN208543740U - A kind of minor diameter rubber three-way bend pipe compression moulding die - Google Patents
A kind of minor diameter rubber three-way bend pipe compression moulding die Download PDFInfo
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- CN208543740U CN208543740U CN201820830407.0U CN201820830407U CN208543740U CN 208543740 U CN208543740 U CN 208543740U CN 201820830407 U CN201820830407 U CN 201820830407U CN 208543740 U CN208543740 U CN 208543740U
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- type core
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Abstract
The utility model discloses a kind of minor diameter rubber three-way bend pipe compression moulding dies of compression moulding die technical field, it is intended to solve the technical issues of existing mold should not produce threeway bend pipe, including upper mold, middle mold and lower mold；Forming cavity: including the first molding hole compatible with threeway bend pipe external form, the second molding hole and third molding hole；Core structure: including it is corresponding be embedded in in the first, second, and third molding hole, the first type core, second type core and the third type core that are used to form three lumens of threeway bend pipe；The lower part interface of the middle mold is equipped with the middle die cavity of ┓ type, the top interface of the lower mold is equipped with lower die cavity, the middle mold the first molding hole and the second molding hole mutually passed through vertical with formation after lower mold fastening, the lower mold middle part are equipped with third molding hole.The utility model is structurally reasonable, registration, and effectively prevents the generation of type core mismatch phenomenon, effectively reduces the damage to type core, extends the service life of type core.
Description
Technical field
The utility model relates to compression moulding die technical fields, and in particular to a kind of minor diameter rubber three-way bend pipe transfer mould
Tool.
Background technique
Injecting molding die is will to preheat the sizing material at mecystasis through first cure in injecting glue road injection mold, is suitable for
Manufacture thin-walled, complex-shaped rubber product.For the threeway bend pipe for being 2mm for the diameter of air circuit connection, the threeway
Bend pipe includes three pipes vertically mutually passed through, such threeway bend pipe is less than 0.05mm to the radial beat of tube wall, and wall thickness is not less than
0.5m, and in the actual production process, there is no the compression moulding dies of the threeway bend pipe.
Simultaneously because the threeway bend pipe needs 3 very thin type cores and deposits there are three the pipe mutually passed through is mutually perpendicular in mold
, sizing material is directly such as put into forming cavity excessively, can thin type core is padded, it is bonded it not, easily breaks type chamber and type core, therefore
The threeway bend pipe should not take existing stamper architecture.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of minor diameter rubber three-way bend pipe compression moulding die, with solution
Certainly existing mold should not produce the technical issues of threeway bend pipe.
The technology employed by the present utility model is
A kind of minor diameter rubber three-way bend pipe compression moulding die is designed, including
Upper mold, middle mold and lower mold；
Forming cavity: including the first molding hole compatible with threeway bend pipe external form, the second molding hole and third molding hole；
Core structure: including be for respectively forming three lumens of threeway bend pipe, two-by-two vertically mutually pass through the first type core, the
Two type cores and third type core；
The lower part interface of the upper mold is equipped with punch-pin, the top interface of the middle mold be equipped with it is described convex
The corresponding charging chamber of mould, the lower part interface of the middle mold are equipped with the middle die cavity of ┓ type, the top pair of the lower mold
Junction is equipped with lower die cavity corresponding with the middle die cavity, the middle mold first mutually passed through vertical with formation after lower mold fastening
Molding hole and the second molding hole are equipped with the mutually passed through vertical with first molding hole, the second molding hole in the middle part of the lower mold
Three molding holes；
The charging chamber is connected to between forming cavity by injecting glue road, the first type core, second type core and third type core point
It Dui Ying not be embedded in in first molding hole, the second molding hole and third molding hole.
Preferably, first molding hole, be respectively provided with an annular groove, the first type core and in the middle part of the second molding hole
The middle part of two type cores is equipped with the positioning ring matched with the annular groove.
Preferably, the annular groove slot bottom of second molding hole is equipped with first positioning hole, the positioning ring of the second type core
It is equipped with the first positioning pin cooperated with the first positioning hole.
Preferably, the first type core, second type core and the non-one end overstriking mutually passed through of third type core, the third type core add
Thick one end and third molding hole is interference fitted.
Preferably, the diameter in the injecting glue road is 2mm.
Preferably, the material of the first type core, second type core and third type core is P20H.
Preferably, it is fixedly connected between the upper mold and middle mold by the second positioning pin and second location hole.
Compared with prior art, the advantageous effects of the utility model are:
1, the utility model uses type core overlapping mode, and the first type core, second type core and third type core is enable mutually to mention
It is supported for stable, avoids generation type core during injecting glue and be displaced and the lumen of threeway bend pipe is caused to deform, to protect
Card molding is reliable, product wall thickness is uniform.
2, injecting glue road diameter is 2mm in the utility model, can effectively avoid extruded article away from the farther away one end hair in injecting glue road
Raw to lack material phenomenon, job efficiency is high.
3, in the utility model the first type core, second type core and third type core outer end overstriking, can substantially reduce type core change
A possibility that shape.
4, the first positioning pin being arranged on the positioning ring of second type core in the utility model, so that mold body has mistake proofing
Function, and it is convenient, not easy to make mistakes to take out product.
5, the utility model is structurally reasonable, registration, and effectively prevents the generation of type core mismatch phenomenon, is effectively reduced
Damage to type core, extends the service life of type core.
Detailed description of the invention
Fig. 1 is the main sectional view of the utility model；
Fig. 2 is the left cross-sectional view of the utility model；
Fig. 3 is core structure stereoscopic schematic diagram；
Fig. 4 is lower mold top view；
Fig. 5 is middle mold bottom view；
Fig. 6 is the decomposition diagram of the utility model；
Fig. 7 is article technology index test table；
1 is upper mold, and 2 be middle mold, and 3 be lower mold, and 4 be the first molding hole, and 5 be the second molding hole, and 6 form for third
Hole, 7 be the first type core, and 8 be second type core, and 9 be third type core, and 10 be positioning ring, and 11 be punch-pin, and 12 be the second positioning pin, 13
It is second location hole for charging chamber, 14,15 be middle die cavity, and 16 be lower die cavity, and 17 be annular groove, and 18 be injecting glue road, and 19 be first
Positioning pin, 20 be first positioning hole.
Specific embodiment
Illustrate specific embodiment of the present utility model with reference to the accompanying drawings and examples, but following embodiment only uses
It is described in detail the utility model, does not limit the scope of the utility model in any way.Involved in following embodiment
The devices such as unit module components, structure, mechanism are then unless otherwise instructed conventional commercial product.
Embodiment: as shown in figs 1 to 6, a kind of minor diameter rubber three-way bend pipe compression moulding die, comprising:
Upper mold 1, middle mold 2 and lower mold 3；
Forming cavity: including the first molding hole 4 compatible with threeway bend pipe external form, the second molding hole 5 and third molding hole
6；
Core structure: the first type core 7, second type core 8 and third including being for respectively forming three lumens of threeway bend pipe
Type core 9.
The lower part interface of upper mold 1 is equipped with punch-pin 11 and the second positioning pin 12, sets on the top interface of middle mold 2
There are a charging chamber 13 corresponding with punch-pin 11, the second positioning pin 12, second location hole 14, on the lower part interface of middle mold 2
The top interface of middle die cavity 15 equipped with ┓ type, lower mold 3 is equipped with lower die cavity 16 corresponding with middle die cavity 15, middle mold 2
Vertical the first molding hole 4 and the second molding hole 5 mutually passed through of is formationed after being fastened with lower mold 3, in the middle part of lower mold 3 equipped with and the first one-tenth
The third molding hole 6 that type hole 4, the second molding hole 5 are vertically mutually passed through.
The middle part of first type core 7 and second type core 8 is equipped with coaxial positioning ring 10, the first molding hole 4 and the second molding
The middle part in hole 5 is equipped with the annular groove 17 matched with positioning ring, while in order to avoid the generation of type core deformation, the first type core
4 with 10 side of positioning ring on second type core 5 and the non-one end overstriking mutually passed through, one end of 9 overstriking of third type core and third molding hole 6
Interference fit.
It is connected between charging chamber 13 and forming cavity by diameter for 2mm injecting glue road 18, the first type core 7, second type core 8 and third
Type core 9, which respectively corresponds, to be embedded in in the first molding hole 4, the second molding hole 5 and third molding hole 6.
In the present embodiment, because the first type core 7 and 8 shape of second type core are very much like, easily occur due to misplacing type core
The case where causing type core to bend, the generation of the phenomenon and is protected type core in order to prevent, the special positioning in second type core 8
First positioning pin 19 is set on ring 10, and 17 slot bottom of annular groove of the second molding hole 5 is equipped with the matched with the first positioning pin 19
A positioning hole 20.
The material of the first type core 7, second type core 8 and third type core 9 in this implementation is P20H, is heat-treated using nitridation,
So that type core has good machinability and mirror ultrafinish performance, and has the characteristics that good stability of the dimension.
The operate with method of above-mentioned compression moulding die is as follows:
Third type core 9 is fixed in third molding hole 6 before molding, the first type core 7, second type core 8 and lower die cavity 16 are solid
It is fixed, and the first type core 7, second type core 8 are vertically mutually passed through with one end of third type core 9；Then middle mold 2 and lower mold 3 are buckled
It closes, middle die cavity 15 and lower die cavity 16 form the first molding hole 4 and the second molding hole 5 to intersect vertically, and such core structure is just firm
It securely schedules in forming cavity, then sizing material blank is put into charging chamber 13, be closed upper mold 1, pressurized, heated opens after keeping 40min
Mould.
As shown in fig. 7, being the test result of product Specifications.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field
Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, it is practical without departing from this
The spirit and scope of new technique scheme should all cover in the scope of the claims of the utility model.
Claims (7)
1. a kind of minor diameter rubber three-way bend pipe compression moulding die, it is characterised in that: including
Upper mold, middle mold and lower mold；
Forming cavity: including the first molding hole compatible with threeway bend pipe external form, the second molding hole and third molding hole；
Core structure: including be for respectively forming three lumens of threeway bend pipe, two-by-two vertically mutually pass through the first type core, second type
Core and third type core；
The lower part interface of the upper mold is equipped with punch-pin, and the top interface of the middle mold is equipped with and the punch-pin phase
Corresponding charging chamber, the lower part interface of the middle mold are equipped with the middle die cavity of ┓ type, the top interface of the lower mold
It is equipped with lower die cavity corresponding with the middle die cavity, vertical first mutually passed through of formation forms after the middle mold is fastened with lower mold
Hole and the second molding hole, be equipped in the middle part of the lower mold third mutually passed through vertical with first molding hole, the second molding hole at
Type hole；
The charging chamber is connected to between forming cavity by injecting glue road, and the first type core, second type core and third type core are right respectively
It should be embedded in in first molding hole, the second molding hole and third molding hole.
2. minor diameter rubber three-way bend pipe compression moulding die according to claim 1, it is characterised in that: first molding
It is respectively provided with an annular groove in the middle part of hole, the second molding hole, the middle part of the first type core and second type core is equipped with and the annular
The positioning ring that slot matches.
3. minor diameter rubber three-way bend pipe compression moulding die according to claim 2, it is characterised in that: second molding hole
Annular groove slot bottom be equipped with first positioning hole, the positioning ring of the second type core is equipped with the cooperated with the first positioning hole
One positioning pin.
4. minor diameter rubber three-way bend pipe compression moulding die according to claim 3, it is characterised in that: the first type core,
Second type core is matched with the non-one end overstriking mutually passed through of third type core, one end and the third molding hole interference of the third type core overstriking
It closes.
5. minor diameter rubber three-way bend pipe compression moulding die according to claim 1, it is characterised in that: the injecting glue road it is straight
Diameter is 2mm.
6. minor diameter rubber three-way bend pipe compression moulding die according to claim 1, it is characterised in that: the first type core,
The material of second type core and third type core is P20H.
7. minor diameter rubber three-way bend pipe compression moulding die according to claim 1, it is characterised in that: the upper mold is in
It is fixedly connected by the second positioning pin with second location hole between mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820830407.0U CN208543740U (en) | 2018-05-31 | 2018-05-31 | A kind of minor diameter rubber three-way bend pipe compression moulding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820830407.0U CN208543740U (en) | 2018-05-31 | 2018-05-31 | A kind of minor diameter rubber three-way bend pipe compression moulding die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208543740U true CN208543740U (en) | 2019-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820830407.0U Active CN208543740U (en) | 2018-05-31 | 2018-05-31 | A kind of minor diameter rubber three-way bend pipe compression moulding die |
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| CN (1) | CN208543740U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948894A (en) * | 2019-12-12 | 2020-04-03 | 四川福翔科技有限公司 | Method for manufacturing integrally formed three-way rubber pipe and three-way rubber pipe |
-
2018
- 2018-05-31 CN CN201820830407.0U patent/CN208543740U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948894A (en) * | 2019-12-12 | 2020-04-03 | 四川福翔科技有限公司 | Method for manufacturing integrally formed three-way rubber pipe and three-way rubber pipe |
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