CN102109075B - Manufacturing method of fire hose joint - Google Patents
Manufacturing method of fire hose joint Download PDFInfo
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- CN102109075B CN102109075B CN2011100470658A CN201110047065A CN102109075B CN 102109075 B CN102109075 B CN 102109075B CN 2011100470658 A CN2011100470658 A CN 2011100470658A CN 201110047065 A CN201110047065 A CN 201110047065A CN 102109075 B CN102109075 B CN 102109075B
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- skewback
- die
- counterdie
- mold core
- sloping block
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Abstract
The invention relates to a fire hose joint and a manufacturing method and a manufacturing die of the fire hose joint. The fire hose joint is manufactured by adopting precision forging through a forging die. The forging die comprises a die cylinder shell, wherein the inner cavity of the die cylinder shell is provided with an upper die and a lower die; the upper die is annular, and an upper die core is arranged in the upper die; the lower die is also annular, and a lower die core is arranged in the lower die; a right sloping block and a left sloping block, which are connected with each other through an elastic element, are symmetrically arranged between the upper die and the lower die; the upper end of the lower die core is provided with a sloping guide plane corresponding to the right sloping block and the left sloping block, and the sloping guide plane at the upper end of the lower die core can drive the right sloping block and the left sloping block to ensure that the distance between the right sloping block and the left sloping block is enlarged; and the elastic element can lessen the distance between the right sloping block and the left sloping block through elastic-restoring force. The fire hose joint mainly overcomes the defects of the conventional casting-molding fire hose joint; and compared with a cast-molding technique of the conventional product, the cutting output of post-procedures is reduced, and materials and energy consumption are reduced.
Description
Technical field
The present invention relates to fire service inventory, particularly a kind of production method of fire-extinguisher water hose joint and mfg. moulding die.
Background technique
Though our life be unable to do without fire.If but improper use, or manage badly, just be easy to breaking out of fire.People's life in the fire serious threat, cause tremendous loss for our security of the lives and property and the construction development of country, so the security against fire ten minutes is important.
In numerous fire-protection equipments and device, the fire-extinguisher water hose joint is absolutely necessary, and no matter is high buildings and large mansions, and all must there be firewater system in the factory building workshop, therefore also fire hose coupling must be arranged, in case breaking out of fire.The fire-extinguisher water hose joint is to use the distribution member under pressure state, requires that the part wall is thin, in light weight, smooth surface, product pore-free, bear pressured fluid through the time can not leak.Mostly traditional fire-extinguisher water hose joint is casting of employing metal pattern or casting forming.Because the characteristic of the casting of product many defectives (like pore, shrinkage porosite etc.) are usually arranged in the foundry goods, and interior tissue is thick, inhomogeneous, its mechanical property is lower than the forging of same material.In addition, liquid forming process is various, and the difficult control of some manufacturing processs makes casting quality stable inadequately, and reject rate is higher, has therefore further influenced the performance of fire-extinguisher water hose joint, can't reach the performance requirement that it bears the ability of high pressure and pressure transient.And along with expanding economy, floor is increasingly high at present, and the fire fighting equipment that uses to fire department has proposed stricter requirement.Increasing of floor particularly, the water pressure in the fire-prevention pipe is also increasing, and the pressure that fire hose coupling requires to bear also increases along with increasing of floor, and the defective of existing cast moulding fire-extinguisher water hose joint will further highlight.We know that in the fire-fighting and rescue process, any point defective of fire-fighting equipment all possibly cause the further loss of the person or property, otherwise the every bit of fire-fighting equipment improves also for striving for that reducing casualty loss has brought possibility.
Summary of the invention
The object of the present invention is to provide a kind of production method and mfg. moulding die of fire-extinguisher water hose joint; Mainly solve the defective of existing cast moulding fire-extinguisher water hose joint; It has reduced the bite of back operation than the cast molding technology of traditional product, has reduced material, energy consumption.
For realizing above-mentioned purpose, the present invention realizes like this.
A kind of fire-extinguisher water hose joint is characterized in that: it adopts the method for precision forging to process through forging mould.
A kind of forging mould of making aforesaid fire-extinguisher water hose joint is characterized in that: it comprises mould cylinder shell, and the inner chamber of this mould cylinder shell has upper die and lower die; Patrix is a ring-type, is provided with upper mold core in it; Counterdie is a ring-type also, has lower mold core in it; Be symmetrically arranged with the right skewback and the left skewback that connect by elastic element between the described upper die and lower die; Described lower mold core upper end has the oblique surface corresponding to right skewback and left skewback inclined-plane; And the oblique surface of lower mold core upper end can drive right skewback and left skewback and make their spacings become big, and its elastic-restoring force of elastic element mat can make right skewback and left skewback pitch smaller.
Described forging mould is characterized in that: all have spring eye on described right skewback and the left skewback, described elastic element spring is connected right skewback through spring eye with left skewback.
A kind of production method of fire-extinguisher water hose joint; It is characterized in that using aforesaid forging mould; Concrete steps are: a, before last blank, upper die and lower die separately, the middle left skewback and the right skewback that are connected by elastic element back down and are positioned at the fixed position by the lower mold core upper end; B, the ring part blank is put into die cavity, closed upper die and lower die, beginning moulding; After c, moulding finished, patrix and upper mold core moved upward, and separate with part, and at this moment, part is clipped on the counterdie; D, lower mold core move downward certain displacement, and simultaneously, under the effect of elastic element restoring force, right skewback and left skewback make right skewback and left skewback outer end break away from the spiral chute of part to intermediary movements; E, by the liftout mechanism of press machine, upwards the jack-up part makes part at counterdie loosening getting final product arranged, and with pliers part is taken out.
Description of drawings
Fig. 1 is the structural representation of product of the present invention.
Fig. 2 is the structural representation of the forging mould of product of the present invention.
Embodiment
See also Fig. 1, the invention discloses a kind of fire-extinguisher water hose joint, it adopts the method for precision forging to process through forging mould.Adopt the method for precision forging to be made into forging, its dense structure, the streamline state is reasonable, and performance is rather good, has remedied the deficiency of casting product.And product of the present invention uses method for forging and molding, has reduced the bite of back operation than the conventional cast forming method, has reduced material, energy consumption.Make it to become high-quality, efficient, highi degree of accuracy, lightweight, low cost, non-harmful moulding by general moulding, its makes the product that is shaped have accurate profile, high dimensional accuracy and the accuracy of form and position, low surface roughness.
See also Fig. 2 again, it is a kind of structural representation of making the forging mould of fire-extinguisher water hose joint of the present invention.As shown in the figure: it comprises mould cylinder shell 1, and the inner chamber of this mould cylinder shell 1 has patrix 3 and counterdie 8; Patrix 3 is a ring-type, is provided with upper mold core 4 in it; Counterdie 8 is a ring-type also, has lower mold core 5 in it; Be symmetrically arranged with the right skewback 2 and left skewback 7 that connect by elastic element between described patrix 3 and the counterdie 8; Described lower mold core 5 upper ends have the oblique surface corresponding to right skewback 2 and left skewback 7 inclined-planes; And the oblique surface of lower mold core 5 upper ends can drive right skewback 2 and left skewback 7 and make their spacings become big, and elastic element and elastic-restoring force thereof can make right skewback 2 and left skewback 7 pitch smaller.As a kind of optimal way: all have spring eye 6 on described right skewback 2 and the left skewback 7, described elastic element spring is connected right skewback 2 through spring eye 6 with left skewback 7.The material that the above mould each several part part 1-8 is selected for use is 4Cr5MoSiV1.
A kind of production method of fire-extinguisher water hose joint; It is characterized in that using aforesaid forging mould; Concrete steps are: a, before last blank, and patrix 3 was opened with counterdie in 8 minutes, and the middle left skewback 7 that is connected by elastic element backs down and is positioned at the fixed position with right skewback 2 by lower mold core 5 upper ends; B, the ring part blank is put into die cavity, closed patrix 3 and counterdie 8, beginning moulding; After c, moulding finished, patrix 3 moved upward with upper mold core 4, separates with part, and at this moment, part is clipped on the counterdie 8; D, lower mold core 5 move downward certain displacement, and simultaneously, under the effect of elastic element restoring force, right skewback 2 and left skewback 7 make right skewback 2 and left skewback 7 outer ends break away from the spiral chute of part to intermediary movements; E, by the liftout mechanism of press machine, upwards the jack-up part makes part at counterdie loosening getting final product arranged, and with pliers part is taken out.Forging the blank material that this part selects for use is reflectal 2A50.
Being merely preferred embodiment of the present invention in sum, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of claim of the present invention change and modification, all should be technological category of the present invention.
Claims (2)
1. the production method of a fire-extinguisher water hose joint is characterized in that: it adopts the method for precision forging to process through forging mould; This forging mould comprises mould cylinder shell (1), and the inner chamber of this mould cylinder shell (1) has patrix (3) and counterdie (8); Patrix (3) is a ring-type, is provided with upper mold core (4) in it; Counterdie (8) is a ring-type also, has lower mold core (5) in it; Be symmetrically arranged with the right skewback (2) and the left skewback (7) that connect by elastic element between described patrix (3) and the counterdie (8); Described lower mold core (5) upper end has the oblique surface corresponding to right skewback (2) and left skewback (7) inclined-plane; And the oblique surface of lower mold core (5) upper end can drive right skewback (2) and left skewback (7) and make their spacings become big, and its elastic-restoring force of elastic element mat can make right skewback (2) and left skewback (7) pitch smaller; Concrete manufacturing step is: a, before last blank, patrix (3) and counterdie (8) separately, middle left skewback (7) and right skewback (2) by the elastic element connection is by backing down and be positioned at the fixed position on the lower mold core (5); B, the ring part blank is put into die cavity, closed patrix (3) and counterdie (8), beginning moulding; After c, moulding finished, patrix (3) and upper mold core (4) moved upward, and separate with part, and at this moment, part is clipped on the counterdie (8); D, lower mold core (5) move downward certain displacement, and simultaneously, under the effect of elastic element restoring force, right skewback (2) and left skewback (7) make right skewback (2) and left skewback (7) outer end break away from the spiral chute of part to intermediary movements; E, by the liftout mechanism of press machine, upwards the jack-up part makes part at counterdie loosening getting final product arranged, and with pliers part is taken out.
2. production method according to claim 1 is characterized in that: all have spring eye (6) on described right skewback (2) and the left skewback (7), described elastic element spring is connected right skewback (2) through spring eye (6) with left skewback (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100470658A CN102109075B (en) | 2011-02-25 | 2011-02-25 | Manufacturing method of fire hose joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100470658A CN102109075B (en) | 2011-02-25 | 2011-02-25 | Manufacturing method of fire hose joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102109075A CN102109075A (en) | 2011-06-29 |
| CN102109075B true CN102109075B (en) | 2012-06-13 |
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ID=44173314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100470658A Expired - Fee Related CN102109075B (en) | 2011-02-25 | 2011-02-25 | Manufacturing method of fire hose joint |
Country Status (1)
| Country | Link |
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| CN (1) | CN102109075B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921855A (en) * | 2012-11-30 | 2013-02-13 | 南通市电站阀门有限公司 | Rapid joint forging process and forging die |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85202826U (en) * | 1985-07-08 | 1986-07-02 | 华中工学院 | Polydirectional stamping apparatus of pipe connection |
| CN1047990A (en) * | 1990-08-10 | 1990-12-26 | 浙江省乐清铜管件厂 | Pipe Joint Cold Extrusion Forming Process |
| CN201279365Y (en) * | 2008-11-04 | 2009-07-29 | 山东中烟工业公司 | Novel fire pump suction pipe head |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060025439A1 (en) * | 2004-07-30 | 2006-02-02 | Mccoy Annick F | Hydrophobic, hydrophilic wound composition for delivery of pharmaceutical(s) to wet surfaces or in aqueous environments |
| JP4712525B2 (en) * | 2005-10-28 | 2011-06-29 | 櫻護謨株式会社 | COUPLING DEVICE AND ITS MANUFACTURING METHOD |
-
2011
- 2011-02-25 CN CN2011100470658A patent/CN102109075B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85202826U (en) * | 1985-07-08 | 1986-07-02 | 华中工学院 | Polydirectional stamping apparatus of pipe connection |
| CN1047990A (en) * | 1990-08-10 | 1990-12-26 | 浙江省乐清铜管件厂 | Pipe Joint Cold Extrusion Forming Process |
| CN201279365Y (en) * | 2008-11-04 | 2009-07-29 | 山东中烟工业公司 | Novel fire pump suction pipe head |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2007-120662A 2007.05.17 |
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| Publication number | Publication date |
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| CN102109075A (en) | 2011-06-29 |
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