CN203711841U - Water-cooled powder metallurgy die - Google Patents
Water-cooled powder metallurgy die Download PDFInfo
- Publication number
- CN203711841U CN203711841U CN201420088029.5U CN201420088029U CN203711841U CN 203711841 U CN203711841 U CN 203711841U CN 201420088029 U CN201420088029 U CN 201420088029U CN 203711841 U CN203711841 U CN 203711841U
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- CN
- China
- Prior art keywords
- water
- cooling duct
- cooling
- die sleeve
- water inlet
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- 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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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Powder Metallurgy (AREA)
Abstract
The utility model discloses a water-cooled powder metallurgy die which is convenient to manufacture and is capable of relatively uniformly cooling powder metallurgy components in a die core. The water-cooled powder metallurgy die comprises a die sleeve and a die core arranged inside the die sleeve, wherein a water inlet channel and a water return channel are arranged in the die sleeve; two mutually independent spiral cooling grooves which are circled side by side, namely a first cooling groove and a second cooling groove, are formed in the outer wall of the die core; the first cooling groove and the inner wall of the die sleeve as well as the second cooling groove and the inner wall of the die sleeve form a first cooling channel and a second cooling channel respectively; a water inlet of the first cooling channel and a water return opening of the second cooling channel are positioned at one end of the die core, and a water return opening of the first cooling channel and a water inlet of the second cooling channel are positioned at the other end of the die core; the water inlets of the first and second cooling channels are communicated with the water inlet channel; the water return openings of the first and second cooling channels are communicated with the water return channel. The die core in the powder metallurgy die can be cooled uniformly relatively.
Description
Technical field
The utility model relates to a kind of powder metallurgy mould, refers more particularly to a kind of water-cooled powder metallurgy mould.
Background technology
Traditional water-cooled powder metallurgy mould, its structure comprises: die sleeve and be arranged on the core rod in die sleeve, on the inwall of described die sleeve, offer cooling grain, the both ends open of cooling grain is in the end face of die sleeve, the outer wall of cooling grain and core rod forms cooling duct, and the outer wall of these two openings and core rod forms water inlet and water return outlet.In actual fabrication process, because cooling grain is opened on the inwall of die sleeve, comparison difficulty; In actual use, owing to being only provided with a cooling duct, current flow along a direction, water temperature raises gradually in flow process, the cooling effect of core rod is also constantly reduced, cause the inhomogeneous cooling of the metallic sintered products in core rod evenly, have influence on the quality of metallic sintered products.
Utility model content
Technical problem to be solved in the utility model is: a kind of easy to make, and water-cooled powder metallurgy mould of the metallic sintered products in cooling core rod is more equably provided.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of water-cooled powder metallurgy mould, comprise: die sleeve and be arranged on the core rod in die sleeve, in die sleeve, be provided with intake tunnel and backwater channel, on the outer wall of core rod, be provided with i.e. the first cooling grain and the second cooling grain of two separate spiral helicine cooling grains that detour side by side, the first cooling grain and the second cooling grain and die sleeve inwall form respectively the first cooling duct and the second cooling duct, the water return outlet of the water inlet of the first cooling duct and the second cooling duct is positioned at one end of described core rod, the water inlet of the water return outlet of the first cooling duct and the second cooling duct is positioned at the other end of described core rod, the water inlet of the water inlet of the first cooling duct and the second cooling duct is connected with described intake tunnel, the water return outlet of the water return outlet of the first cooling duct and the second cooling duct is connected with described backwater channel.
Described intake tunnel comprises: the axial arranged inlet opening and a pair of water inlet via hole that is communicated with respectively the water inlet of inlet opening and described the first cooling duct and the water inlet of the second cooling duct that are opened on die sleeve one end end face; Described backwater channel comprises: the axial arranged backwater hole and a pair of backwater via hole that is communicated with respectively the water return outlet of backwater hole and described the first cooling duct and the water return outlet of the second cooling duct that are opened on die sleeve one end end face.
The set-up mode of described water inlet via hole is: described die sleeve faces the water inlet of the first cooling duct and the water inlet of the second cooling duct offers respectively the through hole that runs through die sleeve wall, forms the water inlet via hole communicating with inlet opening and is positioned at into the fabrication hole in water via hole outside; The set-up mode of described backwater via hole is: described die sleeve faces the water return outlet of the first cooling duct and the water return outlet of the second cooling duct offers respectively the through hole that runs through die sleeve wall, form the backwater via hole communicating with backwater hole and be positioned at the fabrication hole in backwater via hole outside, in fabrication hole, be provided with plug.
Between described die sleeve and core rod, be provided with sealing ring.
The concrete set-up mode of described sealing ring is: on the outer wall of described core rod, offer annular grain, described sealing ring is embedded in this annular grain.
The beneficial effects of the utility model are: the utility model forms cooling duct by the cooling grain and the die sleeve inwall that are opened on the outer wall of core rod; make very convenient; and by the cooling duct that a pair of flow direction is contrary is set; make cooling more even to metallic sintered products in core rod, improved the quality of metallic sintered products; In addition,, by offering the mode of fabrication hole, hundred connect from the outside of core rod and offer into water via hole and backwater via hole, greatly facilitate into the making of water via hole and backwater via hole; In addition, the sealing ring being arranged between die sleeve and core rod has prevented seepage effectively, has improved cooling effect.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Reference numeral in Fig. 1 is: 1, die sleeve, 11, inlet opening, 12, water inlet via hole, 121, fabrication hole, 13, water inlet via hole, 131, fabrication hole, 15, backwater hole, 16, backwater via hole, 161, fabrication hole, 17 backwater via holes, 171, fabrication hole, 2, core rod, 20, die cavity, 21, the first cooling grain, 22, the second cooling grain, 3, sealing ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, describe specific embodiments of the present utility model in detail.
As shown in Figure 1, a kind of water-cooled powder metallurgy mould described in the utility model, comprise: die sleeve 1 and be arranged on the core rod 2 in die sleeve 1, on the outer wall of core rod 2, be provided with two separate spiral helicine, the cooling grain detouring is side by side first cooling poor 21 and second cooling poor 22, first cooling poor 21 and second cooling poor 22 forms respectively the first cooling duct and the second cooling duct with the inwall of die sleeve 1, the water return outlet of the water inlet of the first cooling duct and the second cooling duct is positioned at one end of described core rod 2, the water inlet of the water return outlet of the first cooling duct and the second cooling duct is positioned at the other end of described core rod 2, in described die sleeve 1, be provided with intake tunnel and backwater channel, described intake tunnel comprises: the axial arranged inlet opening 11 and a pair of water inlet via hole 12 that is communicated with respectively the water inlet of inlet opening 11 and described the first cooling duct and the water inlet of the second cooling duct that are opened on die sleeve 1 one end end face, described backwater channel comprises: the axial arranged backwater hole 15 and a pair of backwater via hole 16 that is communicated with respectively the water return outlet of backwater hole 15 and described the first cooling duct and the water return outlet of the second cooling duct that are opened on die sleeve 1 one end end face, the water inlet of the first cooling duct is connected with water inlet via hole 12, and the water inlet of the second cooling duct is connected with water inlet via hole 13, and the water return outlet of the first cooling duct is connected with backwater via hole 17, and the water return outlet of the second cooling duct is connected with backwater via hole 16, between described die sleeve 1 and core rod 2, be provided with sealing ring 3, its concrete set-up mode is: on the outer wall of described core rod 2, offer annular grain, described sealing ring 3 is embedded in this annular grain, in the present embodiment, offering into water via hole 12 and 13 o'clock, hundred first offer corresponding fabrication hole 121 and 131 on the outer wall of core rod 2, then offer inward into water via hole 12 and 13 along fabrication hole 121 and 131, offering backwater via hole 16 and at 17 o'clock, hundred first offer corresponding fabrication hole 161 and 171 on the outer wall of core rod 2, then offer inward into water via hole 16 and 17 along fabrication hole 161 and 171, and in fabrication hole 121,131,161 and 171, plug is set respectively.
When actual use, the opening part of inlet opening 11 and backwater hole 15 is provided with interface, and the interface of inlet opening 11 is connected with water inlet pipe, and the interface of backwater hole 15 is connected with return pipe, when actual use, the powder metallurgy material of needs compacting is placed in to the die cavity 20 of core rod 2, in pressing process, after cooling water is injected inlet opening 11 by water inlet pipe, cooling water is divided into two-way, detour along the first cooling duct from bottom to top via water inlet via hole 12 in one tunnel, get back to backwater hole 15 by backwater via hole 17, flow in return pipe, detour along the second cooling duct from top to bottom via water inlet via hole 13 in another road, get back to backwater hole 15 by backwater via hole 16, flow in return pipe, cooling water is in the time flowing through the first cooling duct and the second cooling duct, take away the heat producing in pressing process.
Above-described embodiment limits the utility model never in any form, and every employing is equal to replaces or technical scheme that the mode of equivalent transformation obtains all drops in protection domain of the present utility model.
Claims (5)
1. a water-cooled powder metallurgy mould, comprise: die sleeve and be arranged on the core rod in die sleeve, in die sleeve, be provided with intake tunnel and backwater channel, it is characterized in that: on the outer wall of described core rod, be provided with i.e. the first cooling bath and the second cooling bath of two separate spiral helicine cooling baths that detour side by side, the first cooling bath and the second cooling bath and die sleeve inwall form respectively the first cooling duct and the second cooling duct, the water return outlet of the water inlet of the first cooling duct and the second cooling duct is positioned at one end of described core rod, the water inlet of the water return outlet of the first cooling duct and the second cooling duct is positioned at the other end of described core rod, the water inlet of the water inlet of the first cooling duct and the second cooling duct is connected with described intake tunnel, the water return outlet of the water return outlet of the first cooling duct and the second cooling duct is connected with described backwater channel.
2. water-cooled powder metallurgy mould according to claim 1, is characterized in that: described intake tunnel comprises: the axial arranged inlet opening and a pair of water inlet via hole that is communicated with respectively the water inlet of inlet opening and described the first cooling duct and the water inlet of the second cooling duct that are opened on die sleeve one end end face; Described backwater channel comprises: the axial arranged backwater hole and a pair of backwater via hole that is communicated with respectively the water return outlet of backwater hole and described the first cooling duct and the water return outlet of the second cooling duct that are opened on die sleeve one end end face.
3. water-cooled powder metallurgy mould according to claim 2, it is characterized in that: the set-up mode of described water inlet via hole is: described die sleeve faces the water inlet of the first cooling duct and the water inlet of the second cooling duct offers respectively the through hole that runs through die sleeve wall, form the water inlet via hole communicating with inlet opening and be positioned at into the fabrication hole in water via hole outside; The set-up mode of described backwater via hole is: described die sleeve faces the water return outlet of the first cooling duct and the water return outlet of the second cooling duct offers respectively the through hole that runs through die sleeve wall, form the backwater via hole communicating with backwater hole and the fabrication hole that is positioned at backwater via hole outside, in fabrication hole, be provided with plug.
4. according to the water-cooled powder metallurgy mould described in claim 1,2 or 3, it is characterized in that: between described die sleeve and core rod, be provided with sealing ring.
5. water-cooled powder metallurgy mould according to claim 4, is characterized in that: the concrete set-up mode of described sealing ring is: on the outer wall of described core rod, offer cannelure, described sealing ring is embedded in this cannelure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420088029.5U CN203711841U (en) | 2014-02-28 | 2014-02-28 | Water-cooled powder metallurgy die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420088029.5U CN203711841U (en) | 2014-02-28 | 2014-02-28 | Water-cooled powder metallurgy die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203711841U true CN203711841U (en) | 2014-07-16 |
Family
ID=51151041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420088029.5U Expired - Fee Related CN203711841U (en) | 2014-02-28 | 2014-02-28 | Water-cooled powder metallurgy die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203711841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817325A (en) * | 2014-02-28 | 2014-05-28 | 张家港振江粉末冶金制品有限公司 | Water cooling type powder metallurgy die |
-
2014
- 2014-02-28 CN CN201420088029.5U patent/CN203711841U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817325A (en) * | 2014-02-28 | 2014-05-28 | 张家港振江粉末冶金制品有限公司 | Water cooling type powder metallurgy die |
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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: 20140716 Termination date: 20180228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |