CN203470795U - Forming mold for C-shaped shackle - Google Patents
Forming mold for C-shaped shackle Download PDFInfo
- Publication number
- CN203470795U CN203470795U CN201320377587.9U CN201320377587U CN203470795U CN 203470795 U CN203470795 U CN 203470795U CN 201320377587 U CN201320377587 U CN 201320377587U CN 203470795 U CN203470795 U CN 203470795U
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- Prior art keywords
- arc
- forming mold
- die cavity
- cavity
- shackle
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- Expired - Fee Related
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Abstract
The utility model discloses a forming mold for a C-shaped shackle. The forming mold comprises an upper forming mold and a lower forming mold, wherein the cavity of the lower forming mold is C-shaped; an outer arc Ra and an inner arc Rb are respectively arranged on the two ends of the cavity; the center distance is La; a boss is formed at the inner arc connecting part of one side of the cavity; the outer arc is connected by a tangent line; a cavity sealing section with the size Lb is arranged on the symcenter of the other side of the cavity; an arc Rc is arranged on the bottom of the cavity. The forming mold is reasonable in structure, the forged C-shaped shackle product is enabled to meet the requirements of shape and size, and the forming mold is suitable for the processing of the marine mooring cable mooring accessory C-shaped shackle.
Description
Technical field
The utility model relates to the processing mold of marine mooring chain annex, relates in particular to the mould of a kind of C type shackle.
Background technology
The technical characterictic for the mooring cable annex C type shackle on deep sea drilling platform with high strength, obdurability.During use, mooring cable is enclosed within to shackle two ends, then shackle cover plate is closed up, pack latch into.Due to what C type shape was different from standard, detachably unload buckle product, therefore need the mould of a kind of special C type shackle.
Summary of the invention
The purpose of this utility model is to provide the mould of a kind of C type shackle, guarantees that the C type forging unloads buckle product and meets shape and size demand.
The utility model is achieved in that the mould of a kind of C type shackle, comprises shaping upper and moulding counterdie, it is characterized in that: the die cavity of described moulding counterdie is C type, and die cavity two ends are respectively arranged with external arc Ra, interior circular arc Rb, and centre-to-centre spacing is La; The interior circular arc junction of die cavity one side forms boss, and external arc is connected by tangent line, and the symmetrical centre of die cavity opposite side is provided with die cavity closed section size Lb; Described cavity bottom is provided with circular arc R c.
The arc angle of the external arc Ra of die cavity described in the utility model, interior circular arc Rb is all greater than 180 degree.
Circular arc R c arc angle described in the utility model is less than 180 degree.
Shaping upper described in the utility model and moulding counterdie are symmetrical arranged, and shape is identical, and size equates.
The utility model is rational in infrastructure, and the C type pyriform that assurance forges is unloaded buckle product and met shape and size demand.
Accompanying drawing explanation
Fig. 1 is the front view in moulding lower die structure schematic diagram of the present utility model;
Fig. 2 is the A-A cutaway view in Fig. 1;
Fig. 3 is the B-B cutaway view in Fig. 1;
In figure 1, external arc Ra, 2, interior circular arc Rb, 3, centre-to-centre spacing La, 4, boss, 5, die cavity closed section size Lb, 6, circular arc R c.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
With reference to accompanying drawing, the mould of a kind of C type shackle, comprises shaping upper and moulding counterdie, it is characterized in that: the die cavity of described moulding counterdie is C type, and die cavity two ends are respectively arranged with external arc Ra1, interior circular arc Rb2, and centre-to-centre spacing is La3; The interior circular arc junction of die cavity one side forms boss 4, and external arc is connected by tangent line, and the symmetrical centre of die cavity opposite side is provided with die cavity closed section size Lb5; Described cavity bottom is provided with circular arc R c6.The arc angle of the external arc Ra1 of described die cavity, interior circular arc Rb2 is all greater than 180 degree.Described circular arc R c6 arc angle is less than 180 degree.Described shaping upper and moulding counterdie are symmetrical arranged, and shape is identical, and size equates.During concrete enforcement, mould is used 45 steel processing, requires heat treatment case hardness HRC50 afterwards.
Claims (4)
1. a mould for C type shackle, comprises shaping upper and moulding counterdie, it is characterized in that: the die cavity of described moulding counterdie is C type, and die cavity two ends are respectively arranged with external arc Ra (1), interior circular arc Rb (2), and centre-to-centre spacing is La (3); The interior circular arc junction of die cavity one side forms boss (4), and external arc is connected by tangent line, and the symmetrical centre of die cavity opposite side is provided with die cavity closed section size Lb(5); Described cavity bottom is provided with circular arc R c(6).
2. the mould of a kind of C type according to claim 1 shackle, is characterized in that: the arc angle of the external arc Ra of described die cavity (1), interior circular arc Rb (2) is all greater than 180 degree.
3. the mould of a kind of C type according to claim 1 and 2 shackle, is characterized in that: described circular arc R c(6) arc angle is less than 180 degree.
4. the mould of a kind of C type according to claim 1 and 2 shackle, is characterized in that: described shaping upper and moulding counterdie are symmetrical arranged, and shape is identical, and size equates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320377587.9U CN203470795U (en) | 2013-06-28 | 2013-06-28 | Forming mold for C-shaped shackle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320377587.9U CN203470795U (en) | 2013-06-28 | 2013-06-28 | Forming mold for C-shaped shackle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203470795U true CN203470795U (en) | 2014-03-12 |
Family
ID=50219208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320377587.9U Expired - Fee Related CN203470795U (en) | 2013-06-28 | 2013-06-28 | Forming mold for C-shaped shackle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203470795U (en) |
-
2013
- 2013-06-28 CN CN201320377587.9U patent/CN203470795U/en not_active Expired - Fee Related
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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: 20140312 Termination date: 20210628 |