CN205977955U - Mould plastics and use anti -drop locating pin - Google Patents
Mould plastics and use anti -drop locating pin Download PDFInfo
- Publication number
- CN205977955U CN205977955U CN201620767472.4U CN201620767472U CN205977955U CN 205977955 U CN205977955 U CN 205977955U CN 201620767472 U CN201620767472 U CN 201620767472U CN 205977955 U CN205977955 U CN 205977955U
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- CN
- China
- Prior art keywords
- plunger
- connection
- positioning
- ring
- annular groove
- 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)
Abstract
The utility model relates to a mould plastics and use anti -drop locating pin, the locating pin includes clamping orient pole, connecting pin head, connects annular and hexagonal retaining ring, the clamping orient pole is cylindricly, and the parallel system in coaxial interval has connecting pin head and a hexagonal retaining ring on this clamping orient pole, and the horizontal one end system of this clamping orient pole has a connecting pin head, inside sunken system has the connection annular on the clamping orient pole between connecting pin head and the hexagonal retaining ring, the coaxial system of hexagonal retaining ring is on the clamping orient pole, and the system has the connection annular on the clamping orient pole between connecting pin head and the hexagonal retaining ring. This locating pin has improved the firm in connection nature with plastic mold, even at the long -term in -process that uses, the locating pin can not come off from plastics easily yet, has guaranteed its positioning action to plastic mold, has lengthened plastic mold's life, has practiced thrift the resource, has guaranteed continuously going on of work, has improved work efficiency, connects the setting of annular in addition, has still practiced thrift manufacturing cost.
Description
Technical field
This utility model belongs to fastening connection piece technical field, is related to alignment pin, and especially a kind of injection anticreep makes a decision
Position pin.
Background technology
At present, the requirement of the precision of mould of plastics is all especially high, in process of production, if only carrying out stent by bolt
Typically not achieve required precision if plate, be therefore typically necessary the purpose to reach positioning by alignment pin, or prevent
Installation site, the mistake in direction etc..In the mould of plastics being especially made up of two parts or more parts, for making mould adjacent two
Part is accurately positioned often using to alignment pin.
But, current alignment pin when being moulded in mould of plastics, after mould molding, due to alignment pin and the modern designs of plastics
The connection of tool is not especially firm, and during life-time service, alignment pin easily comes off thus losing to moulding from plastics
The positioning action of material mould, causes can not using of mould of plastics, need to abandon mould of plastics, in turn resulted in the wave of resource
Take, cannot guarantee that persistently carrying out of work simultaneously, reduce work efficiency.
By retrieval, find several patent publication us related to present patent application as follows：
1st, slip-off preventing alignment pin (CN202612317U), it includes body, and body is provided with circumferentially disposed outer of ring body
The resilient ridge of prominent body.Using this technical scheme, after alignment pin enters pin-and-hole, returned by the moment of resilient ridge
Bullet, makes alignment pin and pin-and-hole wall pressure tightly it is ensured that being reliably connected between two parts and positioning, and the difference using each part external diameter
Different prevent alignment pin from coming off.Its structure is simple, handling ease.
2nd, the nylon protection head anti-drop device (CN203641242U) of alignment pin, including alignment pin, in nylon protection head
After sheathed resilient sleeve, it is arranged in the installing hole of alignment pin top first, it is characterized in that：Described resilient sleeve bottom is sequentially formed with
Step and guiding circular cone, described resilient sleeve surface offers bar-shaped trough；Open corresponding to the first installing hole bottom on described alignment pin
Be provided with the second installing hole, the second installing hole is coaxially disposed with the first installing hole, and the second installing hole with diameter greater than first installation
The diameter in hole, the junction of described first installing hole and the second installing hole forms shoulder, and the step of resilient sleeve is resisted against on shoulder,
Nylon protection head bottom has projection, and resilient sleeve lower surface is resisted against in described projection.Can effectively be prevented using this device
Resilient sleeve comes off from alignment pin endoporus, and is avoided that nylon protection head comes off in resilient sleeve.
By contrast, there are the different of essence from above-mentioned patent publication us in present patent application.
Utility model content
The purpose of this utility model is to overcome the weak point of original technology, provides a kind of injection slip-off preventing to position
Pin, this alignment pin design science is reasonable, structure simple, extends the service life of mould of plastics, has saved resource and used into
This.
This utility model solves technical problem and be employed technical scheme comprise that：
Slip-off preventing alignment pin is used in a kind of injection, and described alignment pin includes positioning and guiding bar, connects plunger, connects annular groove and six
Angle back-up ring, described positioning and guiding bar is cylindrical, and on this positioning and guiding bar, coaxial spaced is parallel is formed with connection plunger and hexagonal gear
Circle, horizontal one end of this positioning and guiding bar is formed with connection plunger, the positioning and guiding bar between described connection plunger and hexagonal back-up ring
On cave inward and be formed with connection annular groove, one end of this connection annular groove extends to the inner surface of the close positioning and guiding bar connecting plunger
On, the other end of this connection annular groove extends on the inner surface of close connection plunger of hexagonal back-up ring, the shape of this hexagonal back-up ring
For hexagonal column, described connection annular groove section vertically is in the arcuation of both ends high, middle low；
The minimum diameter of described hexagonal back-up ring is more than more than 0.7 times of the maximum gauge connecting plunger, described connection plunger
Minimum diameter be more than more than 0.3 times of diameter of positioning and guiding bar.
And, described connect plunger be shaped as hexagonal column.
And, described positioning and guiding bar, the outer surface of connection plunger, connection annular groove and hexagonal back-up ring all closely arrange electrophoresis
Dope layer.
Advantage of the present utility model and good effect are：
1st, this alignment pin includes positioning and guiding bar, connects plunger, connects annular groove and hexagonal back-up ring, connects plunger and hexagonal gear
Connection annular groove is formed with the positioning and guiding bar between circle so that this alignment pin, when injection is to liquid plasticses, connects in annular groove
Can hydraulically full plastics, when plastics become mould finished product, positioning and guiding bar, connect plunger, connect annular groove and hexagonal back-up ring
All be connected setting with finished plastic, has been also filled with plastics due to connecting in annular groove, and connecting annular groove section vertically is in two ends
High, middle low arcuation, so that the plastics connecting in annular groove are tightly attached in connection annular groove, increases this alignment pin and plastics
Between connectivity robustness, simultaneously as hexagonal back-up ring be shaped as hexagonal column, the minimum diameter of hexagonal back-up ring is more than and connects
More than 0.7 times of the maximum gauge of plunger, the described minimum diameter connecting plunger be more than 0.3 times of diameter of positioning and guiding bar with
On, also further increase the frictional force connecting between plunger and hexagonal back-up ring and finished plastic, enhance company therebetween
Connect fastness, and then improve the connectivity robustness of alignment pin and mould of plastics, even if during life-time service, alignment pin
Also will not come off from plastics easily it is ensured that its positioning action to mould of plastics, extend the service life of mould of plastics,
Save the waste of resource, also ensure that persistently carrying out of work simultaneously, improve work efficiency, and connect setting of annular groove
Put, also a saving production cost.
2nd, the connection plunger of this alignment pin be shaped as hexagonal column, this kind of structure of this connection plunger is so that this positioning
Pin, when using, increased itself frictional force and mould of plastics finished product between, further increases being connected firmly therebetween
Property, further increase the service life of this alignment pin.
3rd, the positioning and guiding bar of this alignment pin, the outer surface of connection plunger, connection annular groove and hexagonal back-up ring are all closely arranged
Electrophoretic coating layer, the setting of this electrophoretic coating layer, alignment pin can be protected, improve anticorrosive property, the resistance to water of this alignment pin
And chemical resistance, and low stain, province's energy, resource-saving.
Brief description
Fig. 1 is structure connection signal view of the present utility model；
Fig. 2 is the right view of Fig. 1.
Specific embodiment：
For content of the present utility model, feature and effect can be further appreciated that, hereby enumerate following examples, and coordinate accompanying drawing
Describe in detail as follows.It should be noted that the present embodiment is descriptive, it is not determinate it is impossible to thus limit this practicality
New protection domain.
Slip-off preventing alignment pin is used in a kind of injection, and as depicted in figs. 1 and 2, described alignment pin includes positioning and guiding bar 1, connects
Plunger 4, connection annular groove 3 and hexagonal back-up ring 2, described positioning and guiding bar is cylindrical, and on this positioning and guiding bar, coaxial spaced is parallel
It is formed with connection plunger and hexagonal back-up ring, horizontal one end of this positioning and guiding bar is formed with connection plunger, described connection plunger and hexagonal
Cave inward on positioning and guiding bar between back-up ring and be formed with connection annular groove, one end of this connection annular groove extends to and connects leaning on of plunger
On the inner surface of nearly positioning and guiding bar, the other end of this connection annular groove extends to the inner surface of the close connection plunger of hexagonal back-up ring
On, this hexagonal back-up ring be shaped as hexagonal column, described connection annular groove section vertically be in both ends high, middle low arcuation；
The minimum diameter of described hexagonal back-up ring is more than more than 0.7 times of the maximum gauge connecting plunger, described connection plunger
Minimum diameter be more than more than 0.3 times of diameter of positioning and guiding bar.
This alignment pin includes positioning and guiding bar, connects plunger, connects annular groove and hexagonal back-up ring, connects plunger and hexagonal back-up ring
Between positioning and guiding bar on be formed with connection annular groove so that this alignment pin injection to liquid plasticses when, connect annular groove in also can
Enough hydraulically full plastics, when plastics become mould finished product, positioning and guiding bar, connection plunger, connection annular groove and hexagonal back-up ring are equal
Be connected setting with finished plastic, has been also filled with plastics due to connecting in annular groove, connect annular groove section vertically be in two ends high,
Middle low arcuation so that the plastics connecting in annular groove are tightly attached in connection annular groove, increase this alignment pin and plastics it
Between connectivity robustness, simultaneously as hexagonal back-up ring be shaped as hexagonal column, the minimum diameter of hexagonal back-up ring is more than connecting pin
More than 0.7 times of maximum gauge of head, the described minimum diameter connecting plunger be more than 0.3 times of the diameter of positioning and guiding bar with
On, also further increase the frictional force connecting between plunger and hexagonal back-up ring and finished plastic, enhance company therebetween
Connect fastness, and then improve the connectivity robustness of alignment pin and mould of plastics, even if during life-time service, alignment pin
Also will not come off from plastics easily it is ensured that its positioning action to mould of plastics, extend the service life of mould of plastics,
Save the waste of resource, also ensure that persistently carrying out of work simultaneously, improve work efficiency, and connect setting of annular groove
Put, also a saving production cost.
In the present embodiment, described connect plunger be shaped as hexagonal column, this kind of structure of this connection plunger was so that should
Alignment pin, when using, increased itself frictional force and mould of plastics finished product between, further increases connection therebetween
Fastness, further increases the service life of this alignment pin.
In the present embodiment, described positioning and guiding bar, the outer surface that connects plunger, connect annular groove and hexagonal back-up ring are all tight
Setting electrophoretic coating layer (not shown), the setting of this electrophoretic coating layer, alignment pin can be protected, improve this alignment pin
Anticorrosive property, resistance to water and chemical resistance, and low stain, province's energy, resource-saving.
Claims (3)
1. a kind of injection with slip-off preventing alignment pin it is characterised in that：Described alignment pin includes positioning and guiding bar, connects plunger, connects
Connect annular groove and hexagonal back-up ring, described positioning and guiding bar is cylindrical, on this positioning and guiding bar, coaxial spaced is parallel is formed with connecting pin
Head and hexagonal back-up ring, horizontal one end of this positioning and guiding bar is formed with connection plunger, between described connection plunger and hexagonal back-up ring
Cave inward on positioning and guiding bar and be formed with connection annular groove, one end of this connection annular groove extends to the close positioning and guiding connecting plunger
On the inner surface of bar, the other end of this connection annular groove extends on the inner surface of close connection plunger of hexagonal back-up ring, this hexagonal
Back-up ring be shaped as hexagonal column, described connection annular groove section vertically be in both ends high, middle low arcuation；
The minimum diameter of described hexagonal back-up ring is more than more than 0.7 times of the maximum gauge connecting plunger, and described connection plunger is
Minor diameter is more than more than 0.3 times of the diameter of positioning and guiding bar.
2. injection according to claim 1 with slip-off preventing alignment pin it is characterised in that：Described connect plunger be shaped as six
Corner post shape.
3. injection according to claim 1 and 2 with slip-off preventing alignment pin it is characterised in that：Described positioning and guiding bar, connection
The outer surface of plunger, connection annular groove and hexagonal back-up ring all closely arranges electrophoretic coating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620767472.4U CN205977955U (en) | 2016-07-18 | 2016-07-18 | Mould plastics and use anti -drop locating pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620767472.4U CN205977955U (en) | 2016-07-18 | 2016-07-18 | Mould plastics and use anti -drop locating pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205977955U true CN205977955U (en) | 2017-02-22 |
Family
ID=58025549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620767472.4U Expired - Fee Related CN205977955U (en) | 2016-07-18 | 2016-07-18 | Mould plastics and use anti -drop locating pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205977955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630884A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | Anti-dropout alignment pin is used in injection |
-
2016
- 2016-07-18 CN CN201620767472.4U patent/CN205977955U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630884A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | Anti-dropout alignment pin is used in injection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20190718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |