CN207642244U - A kind of filter housings swage gravity casting die - Google Patents
A kind of filter housings swage gravity casting die Download PDFInfo
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- CN207642244U CN207642244U CN201721450609.4U CN201721450609U CN207642244U CN 207642244 U CN207642244 U CN 207642244U CN 201721450609 U CN201721450609 U CN 201721450609U CN 207642244 U CN207642244 U CN 207642244U
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses a kind of filter housings swage gravity casting dies, including upper mold, bed die, left mould, right mould, core box mould；Its external mold is that four die sinkings design：Upper mold, bed die, left mould and right mould, the bed die are fixed on Gravity casting machines casting bed, and the upper mold, left mould and right mould are connected with the hydraulic mechanism in three face of casting bed respectively；The internal model includes core box mould A and core box mould B, and mold is manufactured using iron or steel, and cavity is processed by CNC and polishing treatment；The core box mould is heating and curing by precoated sand as internal model sand core by core shooter；By in internal model sand core to external mold, hydraulic mould-matching, bottom filling annular feeds runner and rises liquid casting, and injects molten aluminum counterweight by riser, natural gravity feeding, after natural cooling die sinking, polishing, polishing obtain filter housings casting；The utility model is designed using four die-sinking dies, and production efficiency is high, at low cost, energy conservation and environmental protection, stable and reliable product quality, cast article morpheme size precision height.
Description
Technical field
The utility model is related to filter technology apparatus field, more particularly to a kind of filter housings swage gravitational casting mould
Tool.
Background technology
The people of raising with to(for) environment attention degree, various clarifiers step into our live and work
In.One of most important component is exactly filter in clarifier.
Filter is indispensable a kind of device on pumped (conveying) medium pipeline, is typically mounted on pressure reducing valve, relief valve, Ding Shui
Position valve, the import end equipment of box filter miscellaneous equipment.Filter is by cylinder, stainless steel filtering net, blowdown part, transmission device
And electrical control division is grouped as.It is mostly gravity filtration to play prefiltration, improves the rate of filtration using pressure filtration later, in turn
Occurs vacuum filter again.The rotating drum vacuum filtration device of invention early 20th century realizes the serialization of filter operation, hereafter, respectively
The continuous filter of type occurs in succession, and filter is rapidly developed.
Our company is that the top Suo Luobeige companies of the U.S. in the whole world have developed a kind of filter housings swage gravity casting die.
In the prior art, due to integrally-built complex characteristic so that there are following defects for filter housings casting：1. according to tradition
High-pressure casting manufactures this product, then inner cavity can not demould；2. the product appearance produced is cast using conventional high-tension unsightly,
And enough pressure can not be born；If manufacturing this product 3. being cast using conventional low, gate design position, casting effect
It is unable to reach reasonable disposition.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of filter housings swage gravity casting die, needle
To deficiency in the prior art, according to the structure feature of filter housings, preferably going out preferred plan is：Using swage or punching block
Multimode aluminium alloy is cast, and is poured in bottom filling annular channel and multichannel using aluminium alloy melt using three face core pullings, die sinking mode
Road is cast, riser counterweight gravity feeding, and by self-control trihedral hydraulic pressure Gravity casting machines, and trihedral, which gradually molds, obtains filter
Shell casting.
In order to achieve the above objectives, the technical solution of the utility model is as follows：A kind of filter housings swage gravitational casting mould
Tool, including upper mold, bed die, left mould, right mould, core box mould A and core box mould B, it is characterised in that：
The filter head housings mould includes external mold and internal model, and the external mold is that four die sinkings design, respectively upper mold, bottom
Mould, left mould and right mould, the bed die are fixed on the bottom plate of trihedral hydraulic pressure Gravity casting machines casting bed, the upper mold, left mould
It is connected respectively with the hydraulic mechanism in three face of casting bed with right mould, the die sinking and molding of upper mold, left mould and right mould is controlled by switch；
The internal model includes core box mould A and core box mould B, and the upper mold, bed die, left mould, right mould, core box mould A and core box mould B use irony
Or steel material manufacture, cavity is by CNC machine-shapings, the mold cavity surface polishing treatment, morpheme and dimensional accuracy height；
The core box mould A, core box mould B are assemblied on core shooter, are injected into core box mould A, core box mould B by precoated sand, and electrical heating is solidifying
Admittedly being shaped to internal model sand core；The assembly of internal model sand core is combined in the external mold of filter housings, and is driven by hydraulic mechanism
Mould, left mould, right mould molding become filter head housings mould, and using aluminium alloy melt, runner and more is fed by bottom filling annular
Road ingate from bottom to top slowly rises liquid casting, and injects molten aluminum counterweight, natural gravity feeding, after natural cooling by riser
Die sinking, polishing, polishing obtain filter housings casting.
Aluminium alloy melt filter screen is provided in the pouring slot, for every Slag treatment.
The time range that the filter head housings mould pours full cavity is 30-60 seconds, makes exhaust abundance, flow velocity in mold
Stablize；The cooling feeding time range of the filter head housings mould is 3 minutes -5 minutes.
The bed die includes taper positioning, mould bases, pouring slot, charging runner, mould bases positioning and bed die cavity, the bed die
Cavity is set to the middle part of the mould bases, and the mould bases is with there are four the cuboid of mould bases positioning, and the mould bases diagonal angle is set
Set that there are two tapers to position, the side end face of the mould bases is fixedly installed pouring slot, the bed die cavity and the pouring slot it
Between mould bases on be provided with arc configuration charging runner；The bed die cavity include groove, annular convex platform, annular groove face,
Cylindrical groove, rectangular channel, arc groove A, irregular boss face；Bottom morpheme, the size of the bed die cavity and filter housings
With setting；
The upper mold includes taper positioning, mould bases, pouring slot, charging runner, mould bases positioning and upper model cavity, the upper mold
Cavity is set to the middle part of the mould bases, and the mould bases is with there are four the cuboid of mould bases positioning, and the mould bases diagonal angle is set
Set that there are two tapers to position, the side end face of the mould bases is fixedly installed pouring slot, the upper model cavity and the pouring slot it
Between mould bases on be provided with arc configuration charging runner；The upper model cavity include LOGO marks, semicircle groove, baseplane,
Fan-shaped annular convex platform, triangle groove, arc groove B, rectangular recess face；The top morpheme of the upper model cavity and filter housings,
Size matching setting.
The left mould includes that mould bases, riser, mould bases positioning and left mould cavity, the left mould cavity are set to the mould bases
Middle part, the mould bases are the cuboid of the mould bases positioning with there are four, and riser is provided on the left mould cavity；The left mould cavity
Including irregular cycle boss, arc joint face；The left mould cavity is matched with left part morpheme, the size of filter housings and is set
It sets；
The right mould includes that taper positioning, mould bases, riser, mould bases positioning and right mould cavity, the right mould cavity are set to
The middle part of the mould bases, the mould bases are the cuboid of the taper positioning with there are four, and riser is provided on the right mould cavity；Institute
It includes circular groove, sector to state right mould cavity；The right mould cavity is matched with right part morpheme, the size of filter housings and is set
It sets.
The core box mould A includes that taper positioning, mould bases, mould bases positioning and core box die cavity A, the core box die cavity A are set to
The middle part of the mould bases, the mould bases are with there are four the cuboid of mould bases positioning, and the both sides of the mould bases upper core box cavity A are set
It sets there are two taper positioning, the core box die cavity A includes taper sand inlet, core box groove surface, semi-circular boss, round platform；The core
Cell type chamber A matches setting with core box loam core A morphemes, size；
The core box mould B includes that taper positioning, mould bases, mould bases positioning and core box die cavity B, the core box die cavity B are set to
The middle part of the mould bases, the mould bases are with there are four the cuboid of mould bases positioning, and the both sides of the mould bases upper core box cavity B are set
It sets there are two taper positioning, the core box die cavity B includes taper sand inlet, core box groove surface, core box circular groove；The core box
Cavity B matches setting with core box loam core B morphemes, size.
The technical characterstic of the utility model is：
One, the characteristics of mold：Mold cavity and mould bases be integrally formed, slitless connection, by CNC working processes, most rear mold
Have cavity inner surface and pass through polishing treatment, be easy molding, makes that mold is brighter, precision higher.Service life ensures in 100,000 moulds
More than, our company promises to undertake mold lifelong tenure.
Two, the advantages of technique
1. dispensing：Dispensing is carried out according to the dispensing data of company's operation card, weighs and weighs before addition；
2. melting：Our company uses Italy's meaning high burner using double temperature controlled automatic thermal natural gas smelting furnaces, therefore fires
Burner is mixed gas burning, therefore point temperature of burning is high, is discharged without exhaust gas in combustion process, energy conservation and environmental protection.Graphite crucible is pre-
Heat is baked to 200 DEG C or so, so that crucible is completely dried, no moisture.Proportioned raw material (aluminium ingot) are added at this time, cover pot
Lid 70% (energy saving), after about one hour, solid raw material (aluminium ingot) has been fused into liquid in crucible, is added specific
Trace element；
3. casting：Different product cast temperatures is also different, and concrete condition is pressed depending on operation card.Molten aluminum is removed
Gas, removal of impurities, refining etc., finally stir evenly.It casts when temperature of aluminum liquid reaches reasonable cast temperature, coupon of casting first
And the detection of physical property, chemical composition is carried out, it is produced in batches again after up to standard, product is made to reach any surface finish, free from admixture, without gas
The excellent product in hole etc.；
Casting mode use from cast gate enter, centre by filter screen every Slag treatment, it is (i.e. more by bottom filling annular channel
Road ingate), liquid is slowly risen from the bottom up, is made its exhaust abundance, flow speed stability, cavity can be filled within about 30 seconds, through 10-
After 15 seconds, high temperature molten aluminum is injected emitting mouth region, so that it is generated constant weight, under the action of centrifugal force, product is cooled
Appropriate feeding in journey keeps its density higher, product more stable；It is about 3-5 minutes cooling, behind product type intracavitary portion completely solidification,
Trihedral is gradually molded, makes product and mold separation, finally takes by sequencing with homemade hydraulic pressure Gravity casting machines
Go out product, is put into specified region and carries out natural cooling；
4. die sinking：It is about 3-5 minutes cooling, behind product type intracavitary portion completely solidification, with homemade hydraulic pressure gravitational casting
Trihedral is gradually molded by sequencing, is made product and mold separation, finally take out product by machine, be put into specified region into
Row natural cooling；
5. cooling, polishing：After product is cast, wait for that product is completely cooling, by cutter by product cast gate, riser etc. no
The mouth of a river amount needed, is cut off with band-saw machine, while by polishing work progress cleaning appropriate, deburring；
6. ball blast is surface-treated：Product is placed in shot-blasting machine, by the stainless steel ball of diameter 0.4mm, if carrying out
The shotblasting processing of dry minute, makes product surface reach fine work state；
7. examining, delivery：After our company technical staff examines, packs product and strike qualified chapter, by product and produced
Chemistry report, physical property report, hardness report in journey etc. are delivered to customer together, and product qualification rate is made to be up to 99%.
Three, the characteristics of product：Due to more demanding to mold, therefore the product size precision produced is high, efficient, quality
It is stable, energy saving, deflection is small, good appearance, high yield rate.Compared with conventional casting techniques, the life of the utility model casting technique
The product quality of output improves 5 grades, and efficiency improves 500%, and the energy declines 40%.
Such mode of production is by our company independent research, by the utility model cast article, production efficiency is high, it is at low cost,
Energy conservation and environmental protection, stable and reliable product quality fully meet client's needs, obtain the appreciation of client.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of filter housings dimensional structure diagram disclosed in the utility model embodiment；
Fig. 2 is that a kind of filter housings swage gravity casting die upper mold solid disclosed in the utility model embodiment is shown
It is intended to；
Fig. 3 is that a kind of filter housings swage gravity casting die bed die solid disclosed in the utility model embodiment is shown
It is intended to；
Fig. 4 is that a kind of filter housings swage gravity casting die left mould solid disclosed in the utility model embodiment is shown
It is intended to；
Fig. 5 is that a kind of filter housings swage gravity casting die right mould solid disclosed in the utility model embodiment is shown
It is intended to；
Fig. 6 is that a kind of filter housings swage gravity casting die core box mould A disclosed in the utility model embodiment is vertical
Body schematic diagram；
Fig. 7 is that a kind of filter housings swage gravity casting die core box mould B disclosed in the utility model embodiment is vertical
Body schematic diagram.
Number and the corresponding component title represented by letter in figure：
001. taper positions 002. mould bases, 003. pouring slot 004. and feeds runner
005. riser, 006. mould bases positions
101. 102. annular convex platform of groove, 103. annular groove face, 104. cylindrical groove
105. 106. arc groove A of rectangular channel, 107. irregular boss face 108.LOGO marks
109. 110. baseplane of semicircle groove 111., 112. triangle groove of fan-shaped annular convex platform
113. the 114. rectangular recess faces arc groove B, 115. irregular cycle boss
116. 17. circular groove of arc joint face, 118. sector
119. 120. core box groove surface of taper sand inlet, 121. semi-circular boss
122. 123. core box circular groove of round platform
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
According to Fig. 1 to Fig. 7, the utility model provides a kind of filter housings swage gravity casting die, including upper mold,
Bed die, left mould, right mould, core box mould A and core box mould B.
The filter head housings mould includes external mold and internal model, and the external mold is that four die sinkings design, respectively upper mold, bottom
Mould, left mould and right mould, the bed die are fixed on the bottom plate of trihedral hydraulic pressure Gravity casting machines casting bed, the upper mold, left mould
It is connected respectively with the hydraulic mechanism in three face of casting bed with right mould, the die sinking and molding of upper mold, left mould and right mould is controlled by switch；
The internal model includes core box mould A and core box mould B, and the upper mold, bed die, left mould, right mould, core box mould A and core box mould B use irony
Or steel material manufacture, cavity is by CNC machine-shapings, the mold cavity surface polishing treatment, morpheme and dimensional accuracy height；
The core box mould A, core box mould B are assemblied on core shooter, are injected into core box mould A, core box mould B by precoated sand, and electrical heating is solidifying
Admittedly being shaped to internal model sand core；The assembly of internal model sand core is combined in the external mold of filter housings, and is driven by hydraulic mechanism
Mould, left mould, right mould molding become filter head housings mould, and using aluminium alloy melt, runner 004 is fed by bottom filling annular
With multichannel ingate, liquid casting is from bottom to top slowly risen, and molten aluminum counterweight is injected by riser 005, natural gravity feeding is natural
It molds, polish after cooling, polishing obtains filter housings casting.
Aluminium alloy melt filter screen is provided in the pouring slot 003, for every Slag treatment.
The time range that the filter head housings mould pours full cavity is 30 seconds, makes exhaust abundance, flow speed stability in mold；
The cooling feeding time of the filter head housings mould is 3 minutes -5 minutes.
The bed die includes taper positioning 001, mould bases 002, pouring slot 003, charging runner 004, mould bases positioning 006 and bottom
Model cavity, the bed die cavity are set to the middle part of the mould bases 002, and the mould bases 002 is that there are four mould bases positioning 006 for band
Cuboid, there are two tapers to position 001 for the setting of 002 diagonal angle of the mould bases, and the side end face of the mould bases 002, which is fixedly installed, pours
Material mouth 003 is provided with the charging runner of arc configuration on the mould bases 002 between the bed die cavity and the pouring slot 003
004；The bed die cavity includes groove 101, annular convex platform 102, annular groove face 103, cylindrical groove 104, rectangular channel 105, arc
Shape slot A106, irregular boss face 107；The bed die cavity matches setting with bottom morpheme, the size of filter housings；
The upper mold include taper positioning 001, mould bases 002, pouring slot 003, charging runner 004, mould bases positioning 006 and on
Model cavity, the upper model cavity are set to the middle part of the mould bases 002, and the mould bases 002 is that there are four mould bases positioning 006 for band
Cuboid, there are two tapers to position 001 for the setting of 002 diagonal angle of the mould bases, and the side end face of the mould bases 002, which is fixedly installed, pours
Material mouth 003 is provided with the charging runner of arc configuration on the mould bases 002 between the upper model cavity and the pouring slot 003
004；The upper model cavity includes LOGO marks 108, semicircle groove 109, baseplane 110, fan-shaped annular convex platform 111, triangular fovea
Slot 112, arc groove B113, rectangular recess face 114；The upper model cavity is matched with top morpheme, the size of filter housings and is set
It sets.
The left mould includes taper positioning 001, mould bases 002, riser 005, mould bases positioning 006 and left mould cavity, the left side
Model cavity is set to the middle part of the mould bases 002, and the mould bases 002 is that there are four the cuboid of mould bases positioning 006, the moulds for band
There are two tapers to position 001 for the setting of 002 diagonal angle of frame, and riser 005 is provided on the left mould cavity；The left mould cavity includes
Irregular cycle boss 115, arc joint face 116；The left mould cavity is matched with left part morpheme, the size of filter housings and is set
It sets；
The right mould includes taper positioning 001, mould bases 002, riser 005, mould bases positioning 006 and right mould cavity, the right side
Model cavity is set to the middle part of the mould bases 002, and the mould bases 002 is that there are four the cuboid of mould bases positioning 006, the moulds for band
There are two tapers to position 001 for the setting of 002 diagonal angle of frame, and riser 005 is provided on the right mould cavity；The right mould cavity includes
Circular groove 117, sector 118；The right mould cavity matches setting with right part morpheme, the size of filter housings.
The core box mould A includes taper positioning 001, mould bases 002, mould bases 006 and core box die cavity A of positioning, the core box type
Chamber A is set to the middle part of the mould bases 002, and the mould bases 002 is that there are four the cuboid of mould bases positioning 006, the mould bases for band
There are two tapers to position 001 for the both sides setting of 002 upper core box cavity A, and the core box die cavity A includes taper sand inlet 119, core box
Groove surface 120, semi-circular boss 121, round platform 122；The core box die cavity A matches setting with core box loam core A morphemes, size；
The core box mould B includes taper positioning 001, mould bases 002, mould bases 006 and core box die cavity B of positioning, the core box type
Chamber B is set to the middle part of the mould bases, and the mould bases is band there are four the cuboid of mould bases positioning 006, on the mould bases 002
There are two tapers to position 001 for the both sides setting of core box die cavity B, and the core box die cavity B includes taper sand inlet 119, core box groove
Face 120, core box circular groove 123；The core box die cavity B matches setting with core box loam core B morphemes, size.
By above-mentioned specific embodiment, the utility model has the beneficial effects that：It is excellent according to the structure feature of filter housings
Selecting preferred plan is：It is cast using swage or punching block multimode aluminium alloy, using three face core pullings, die sinking mode, is closed using aluminium
Golden melt, bottom filling annular channel and the casting of multichannel ingate, riser counterweight gravity feeding, and by self-control trihedral hydraulic pressure gravity
Casting machine, trihedral, which gradually molds, obtains filter housings casting；By the product of the utility model die casting, production efficiency is high,
At low cost, energy conservation and environmental protection, stable and reliable product quality obtain the appreciation of client, thus order is continuous, add lustre to for foundry industry and add
It is color.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (4)
1. a kind of filter housings swage gravity casting die, which is characterized in that including upper mold, bed die, left mould, right mould, core box
Mould A and core box mould B；The filter head housings mould includes external mold and internal model, and the external mold is that four die sinkings design, respectively on
Mould, bed die, left mould and right mould, the bed die are fixed on the bottom plate of trihedral hydraulic pressure Gravity casting machines casting bed, the upper mold,
Left mould and right mould are connected with the hydraulic mechanism in three face of casting bed respectively；The internal model includes core box mould A and core box mould B, it is described on
Mould, bed die, left mould, right mould, core box mould A and core box mould B are manufactured using irony or steel material；The core box mould A, core box mould
B is assemblied on core shooter；The assembly of internal model sand core is combined in the external mold of filter housings, and is driven by hydraulic mechanism
Mould, left mould, right mould molding become filter head housings mould, and using aluminium alloy melt, bottom filling annular is fed in runner and multichannel
Running channel obtains filter housings casting.
2. a kind of filter housings swage gravity casting die according to claim 1, which is characterized in that the bed die packet
It includes taper positioning, mould bases, pouring slot, charging runner, mould bases positioning and bed die cavity, the bed die cavity and is set to the mould bases
Middle part, the mould bases is that there are four the cuboids of mould bases positioning for band, and there are two tapers to position for mould bases diagonal angle setting, institute
The side end face for stating mould bases is fixedly installed pouring slot, and arc is provided on the mould bases between the bed die cavity and the pouring slot
The charging runner of configuration；The bed die cavity includes groove, annular convex platform, annular groove face, cylindrical groove, rectangular channel, arc groove
A, irregular boss face；The bed die cavity matches setting with bottom morpheme, the size of filter housings；
The upper mold includes taper positioning, mould bases, pouring slot, charging runner, mould bases positioning and upper model cavity, the upper model cavity
It is set to the middle part of the mould bases, the mould bases is with there are four the cuboid of mould bases positioning, and the mould bases diagonal angle is provided with
Two taper positioning, the side end face of the mould bases is fixedly installed pouring slot, between the upper model cavity and the pouring slot
The charging runner of arc configuration is provided on mould bases；The upper model cavity includes LOGO marks, semicircle groove, baseplane, sector
Annular convex platform, triangle groove, arc groove B, rectangular recess face；Top morpheme, the size of the upper model cavity and filter housings
Matching setting.
3. a kind of filter housings swage gravity casting die according to claim 1, which is characterized in that the left mould packet
Mould bases, riser, mould bases positioning and left mould cavity are included, the left mould cavity is set to the middle part of the mould bases, and the mould bases is band
There are four the cuboid of mould bases positioning, riser is provided on the left mould cavity；The left mould cavity includes that irregular cycle is convex
Platform, arc joint face；The left mould cavity matches setting with left part morpheme, the size of filter housings；
The right mould includes that taper positioning, mould bases, riser, mould bases positioning and right mould cavity, the right mould cavity are set to described
The middle part of mould bases, the mould bases are the cuboid of the taper positioning with there are four, and riser is provided on the right mould cavity；The right side
Model cavity includes circular groove, sector；The right mould cavity matches setting with right part morpheme, the size of filter housings.
4. a kind of filter housings swage gravity casting die according to claim 1, which is characterized in that the core box mould
A includes taper positioning, mould bases, mould bases positioning and core box die cavity A, and the core box die cavity A is set to the middle part of the mould bases, described
Mould bases is that there are four the cuboids of mould bases positioning for band, and there are two tapers to position for the both sides setting of the mould bases upper core box cavity A, institute
It includes taper sand inlet, core box groove surface, semi-circular boss, round platform to state core box die cavity A；The core box die cavity A and core box loam core A shapes
Position, size matching setting；
The core box mould B includes that taper positioning, mould bases, mould bases positioning and core box die cavity B, the core box die cavity B are set to described
The middle part of mould bases, the mould bases are with there are four the cuboid of mould bases positioning, and the both sides of the mould bases upper core box cavity B are provided with
Two taper positioning, the core box die cavity B includes taper sand inlet, core box groove surface, core box circular groove；The core box die cavity
B matches setting with core box loam core B morphemes, size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721450609.4U CN207642244U (en) | 2017-11-03 | 2017-11-03 | A kind of filter housings swage gravity casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721450609.4U CN207642244U (en) | 2017-11-03 | 2017-11-03 | A kind of filter housings swage gravity casting die |
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| Publication Number | Publication Date |
|---|---|
| CN207642244U true CN207642244U (en) | 2018-07-24 |
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| CN201721450609.4U Expired - Fee Related CN207642244U (en) | 2017-11-03 | 2017-11-03 | A kind of filter housings swage gravity casting die |
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| CN (1) | CN207642244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421116A (en) * | 2020-04-27 | 2020-07-17 | 中国船舶重工集团公司第七二五研究所 | Preparation process of copper alloy filter shell for ship |
-
2017
- 2017-11-03 CN CN201721450609.4U patent/CN207642244U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421116A (en) * | 2020-04-27 | 2020-07-17 | 中国船舶重工集团公司第七二五研究所 | Preparation process of copper alloy filter shell for ship |
| CN111421116B (en) * | 2020-04-27 | 2021-09-03 | 中国船舶重工集团公司第七二五研究所 | Preparation process of copper alloy filter shell for ship |
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Granted publication date: 20180724 |