CN207681429U - A kind of high-end multicolour press aluminium cover shell resin sand casting mould - Google Patents
A kind of high-end multicolour press aluminium cover shell resin sand casting mould Download PDFInfo
- Publication number
- CN207681429U CN207681429U CN201721450626.8U CN201721450626U CN207681429U CN 207681429 U CN207681429 U CN 207681429U CN 201721450626 U CN201721450626 U CN 201721450626U CN 207681429 U CN207681429 U CN 207681429U
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- Prior art keywords
- cover shell
- lower die
- aluminium cover
- resin sand
- cavity
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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.)
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 50
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000004411 aluminium Substances 0.000 title claims abstract description 44
- 239000011347 resin Substances 0.000 title claims abstract description 35
- 229920005989 resin Polymers 0.000 title claims abstract description 35
- 238000007528 sand casting Methods 0.000 title claims abstract description 12
- 239000004576 sand Substances 0.000 claims abstract description 30
- 238000005266 casting Methods 0.000 claims abstract description 29
- 230000008676 import Effects 0.000 claims abstract description 5
- 239000003973 paint Substances 0.000 claims abstract description 3
- 230000001788 irregular Effects 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 10
- 238000000465 moulding Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 8
- 230000032683 aging Effects 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 abstract description 6
- 244000035744 Hura crepitans Species 0.000 abstract description 4
- 230000001680 brushing effect Effects 0.000 abstract description 4
- 238000005498 polishing Methods 0.000 abstract description 4
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 24
- 238000007639 printing Methods 0.000 description 11
- 239000007789 gas Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
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- 238000002485 combustion reaction Methods 0.000 description 1
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- 229910002804 graphite Inorganic materials 0.000 description 1
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- 239000004615 ingredient Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- 230000003746 surface roughness Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
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- Mold Materials And Core Materials (AREA)
Abstract
The utility model discloses a kind of high-end multicolour press aluminium cover shell resin sand casting moulds, including upper die and lower die；The mold cavity of the upper die and lower die and mould bases are integrally formed, through CNC working processes, surface polishing treatment；The upper die and lower die are assemblied in sandbox tooling, and make the resin sand pattern of aluminium cover shell by moulding machine with resin sand；The high temperature cast paint of the mold cavity surface multipass brushing Germany import of the resin sand pattern；By resin sand pattern by semi-automatic production line, aluminium cover shell casting is shaped to by casting machine gravity casting, and natural aging treatment, shotblasting processing are carried out to aluminium cover shell；The utility model uses upper die and lower die, semi-automatic production line, sandbox tooling to make resin sand pattern by moulding machine；Gravity casting is aluminium cover shell casting, and through natural aging treatment, elimination deflection, product stability is good, intensity is high.
Description
Technical field
The utility model is related to printing machine outer casing mold technical equipment field, more particularly to a kind of high-end multicolour press aluminium
Cover shell resin sand casting mould.
Background technology
Printing machine is the machine of printing word and image.Modern printing machine generally by loading, inking, coining, paper feeding (including
Fold) etc. mechanisms composition；Multicolour press refers to printing the print of two or more mass colours in the one side of paper in a printing process
Brush machine.
Since reform and opening-up, the fast development of printing industry has pulled the demand to printing machinery, Chinese printing machinery
Industry is rapidly developed.Modern printing machinery just develops further towards high speed, efficient, high-quality direction；Large size, polychrome,
It is multi-functional, and automation, linkageization, seriation machine and type, it is also growing day by day.With the development of printing machine, to people
The propagation of class civilization and culture will play an important roll.
Our company is that the top Heidelberg, Germany company in the whole world has developed a kind of high-end multicolour press aluminium cover shell resin sand
Casting mould.In the prior art, multicolour press aluminium cover enclosure volume is big, and length, width and height are about 1.5 meters * 0.8 meter * 0.2 meter；Weight
Weight, about 40KG；Casing structure is complicated；It is high to the appearance, quality and stability requirement of aluminium cover shell；And the good and bad of aluminium cover shell will
Directly affect the performance of whole multicolour press performance；Company is difficult to Foundry Production and goes out satisfactory cast product in the industry.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of high-end multicolour press aluminium cover shell Reform of Resin Sand Casting
Modeling has, for deficiency in the prior art, using upper die and lower die, by semi-automatic production line, sandbox tooling and tree
Fat sand makes the resin sand pattern of aluminium cover shell by moulding machine；Aluminium cover shell casting is shaped to by casting machine gravity casting, and
By natural aging treatment, deflection is completely eliminated, product stability is good, and intensity is high, appearance looks elegant.
In order to achieve the above objectives, the technical solution of the utility model is as follows：A kind of high-end multicolour press aluminium cover shell tree
Fat sand casting mould, including upper die and lower die, it is characterised in that：
The mold cavities of the upper die and lower die and mould bases be integrally formed, slitless connection, is thrown by CNC working processes, surface
Light processing, the upper die and lower die are assemblied in specific tooling, match with mold, pass through automatic assembly line phenolic sand molding machine
Automatic modeling is carried out, about after twenty minutes, after resin solidifies substantially, mold is taken out, generates cavity, and pass through moulding with resin sand
Mechanism makees the resin sand pattern of aluminium cover shell；The high temperature casting of the mold cavity surface brushing of the resin sand pattern German import three times
Coating.By resin sand pattern by semi-automatic production line, gravity casting is shaped to aluminium cover shell casting, and to aluminium cover shell
Carry out natural aging treatment, shotblasting processing；
The upper mold includes taper positioning, mould bases, cylindricality pouring slot, taper runway, cylindricality riser and upper model cavity, described
Upper model cavity matches setting with bottom surface morpheme, the size of aluminium cover shell；The upper model cavity includes that plane, triangle side be convex, bar shaped
Groove, loose piece, rectangular recess A, right angle boss, step surface, medial surface, L-shaped groove, bar shaped side, semi-circular boss, arc connection
Face, loose piece groove, rectangular recess B, triangle boss, rectangular surfaces, loose piece muscle, side；Three adjacent corners of the mould bases are set
Taper positions there are three setting, and model cavity is provided among the mould bases, cylindricality pouring slot is provided in the middle part of the upper model cavity,
Cylindricality pouring slot both sides are provided with two taper runways, and there are two cylindricality riser for the two sides setting of the upper model cavity.
The lower die includes taper positioning, mould bases, taper runway and lower die cavity, the lower die cavity and aluminium cover shell top
Face morpheme, size matching setting, the lower die cavity includes arc boss, bar shaped step, rectangular boss, dowel, groove, recessed
Slot inner plane, side boss, radian joint angle, rectangular step, inner edge, upper plane, side L-shaped boss, irregular groove, side
Rectangular recess, side strip groove face, boss side surfaces；There are three tapers to position for three adjacent corner settings of the mould bases,
It is provided with lower die cavity among the mould bases, taper runway is provided among the lower die cavity.
The technical characterstic of the utility model is：
One, die feature：Resin sand plays buffer action among casting and casting mold mould, reaches Sand sticking-resistant purpose, moreover it is possible to
It effectively prevent high-temp liquid metal to aoxidize, makes not chemically reactive, and energy in casting mold mould and high-temp liquid metal contact process
Assimilate the gases such as nitrogen, sulphur, carbon；
Mold cavity and mould bases be integrally formed, slitless connection, by CNC working processes, last mold cavity inner surface warp
Polishing treatment is crossed, molding is easy, makes that mold is brighter, precision higher.Service life ensures that more than 100,000 moulds, our company promises to undertake mould
Has lifelong tenure；
Two, process characteristic：
1, sand is put using full-automatic resin sand assembly line automatically after resin and curing agent rational proportion by sand mixer,
Integrally formed, cavity solidifies after about 20 points of kinds, in order to keep product surface bright and clean indefectible, using German import cast paint to mould
Have cavity and carries out multipass brushing；After first pass coats, is gently polished, worked with great care with the sand paper of 250 mesh, remove excess particles；
After second time coats coating, polished with 400 mesh sand paper, surface is more and more brighter and cleaner, fine and smooth, feels such as metope；Last is all over use
Coating is gently sprayed on mold cavity surface by pneumatic spray gun, and it is 6.3 grades to make mold cavity surface roughness almost；
2, dispensing is carried out according to alloying ingredient data, weighs and weighs before addition；The melting, using double temperature controlled automatic thermal days
Right gas smelting furnace, and using Italy's meaning high burner, therefore burner is mixed gas burning, therefore point temperature of burning is high, combustion
It is discharged without exhaust gas during burning, energy conservation and environmental protection；Graphite crucible is preheated, is baked to 200 DEG C or so, so that crucible is completely dried, nothing
Moisture；Proportioned virgin aluminium ingot material is added at this time, covers pot cover 70%, after about one hour, solid material has melted in crucible
It is melted into molten aluminum, specific trace element is added and is kneaded；According to the required design temperature parameter of product casting, molten aluminum is removed
Gas, removal of impurities, refining, finally stir evenly.
3, casting production, casts when temperature of aluminum liquid reaches reasonable cast temperature, coupon of casting first, and to coupon
The detection of physical property, chemical composition is carried out, production is poured into a mould in batches again after up to standard, product is made to reach any surface finish, free from admixture, nothing
The excellent product of stomata；
It by Melting control temperature of aluminum liquid between 720 DEG C -740 DEG C, two-mans ladle and warms, molten aluminum is scooped in two-maing ladle, from upper
The cylindricality pouring slot of model cavity is cast, until molten aluminum is made to be ramped up cylindricality riser；
4, it molds, according to the open time of technological requirement, unpacks again after aluminium cover shell is completely cooling, avoid generating because opening
Deformation of products amount increases caused by the case time is too short.
5, rear road processing includes product cutting deburring, natural aging treatment, shotblasting processing, product turnout；
Product cuts deburring, after aluminium cover shell product is cast, after it is cooled to room temperature, by cutter by product
The unwanted mouth of a river amount such as cast gate, riser, is cut off with band-saw machine；Simultaneously by polishing work carry out it is appropriate cleaning, go
Burr；
Natural aging treatment, because aluminium cover housing requirements flatness control within 1mm, product casting after in a short time or
In 20 days, alloy product itself still has a micro-deformation, therefore inventory is using being disposed vertically, by about 2 months or so from
Right timeliness, again through deburring of polishing, flatness inspection is carried out by reviewer after product physical property is thoroughly stablized, if
More than 1mm, then hydraulic tool is done, by reasonable shaping appropriate, it is made to be finally reached planarity requirements needed for client；
The ball blast surface treatment, aluminium cover shell product is placed in shot-blasting machine, the stainless steel of diameter 0.4mm is passed through
Shot carries out shotblasting processing in several minutes, product surface is made to reach fine work state；
The product turnout carries out last inspection manufacture to aluminium cover shell, packs and strike upper qualified chapter, by product and production
Shipment is delivered to customer together for chemistry report in the process, physical property report, hardness report, and product qualification rate is made to be up to 99%.
Because resin sand rigidity is harder, be not likely to produce drop and sand mold cracking, therefore product casting after not will produce sand holes,
The defects of microcrack.
Three, products characteristics：Due to more demanding to mold, thus produce product size precision height, stable quality, deformation
Measure small, good appearance；Compared with conventional casting techniques, the product quality that the utility model casting technique is produced improves 5 grades, effect
Rate improves 500%, and the energy declines 40%.
The utility model mode of production passes through the utility model cast article, production efficiency height, cost by our company independent research
Low, 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 high-end multicolour press aluminium cover shell stereoscopic schematic diagram disclosed in the utility model embodiment；
Fig. 2 is a kind of high-end multicolour press aluminium cover shell resin sand casting mould disclosed in the utility model embodiment
Upper mold stereoscopic schematic diagram；
Fig. 3 is a kind of high-end multicolour press aluminium cover shell resin sand casting mould disclosed in the utility model embodiment
Lower die stereoscopic schematic diagram.
Number and the corresponding component title represented by letter in figure：
001. taper positions 002. mould bases, 003. cylindricality pouring slot
004. taper runway, 005. cylindricality riser
101. convex 103. strip groove, 104. loose piece in 102. triangle side of plane
105. 106. right angle boss of rectangular recess A, 107. step surface, 108. medial surface
110. bar shaped side of 109.L connected in stars, 111. semi-circular boss, 112. arc joint face
113. 114. rectangular recess B of loose piece groove, 115. triangle boss, 116. rectangular surfaces
117. 118. side of loose piece muscle, 119. arc boss, 120. bar shaped step
121. 122. dowel of rectangular boss, 123. groove, 124. groove inner plane
125. 126. radian joint angle of side boss, 127. rectangular step, 128. inner edge
130. side L-shaped boss of plane, 131. irregular groove on 129.
132. 133. side strip groove face of side rectangular recess, 134. boss side surfaces
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, Fig. 2 and Fig. 3, the utility model provides a kind of high-end multicolour press aluminium cover shell resin sand casting
Mold, including upper die and lower die.
The mold cavities of the upper die and lower die and mould bases be integrally formed, slitless connection, is thrown by CNC working processes, surface
Light processing, the upper die and lower die are assemblied in specific tooling, match with mold, pass through automatic assembly line phenolic sand molding machine
Automatic modeling is carried out, about after twenty minutes, after resin solidifies substantially, mold is taken out, generates cavity, and pass through moulding with resin sand
Mechanism makees the resin sand pattern of aluminium cover shell；The high temperature casting of the mold cavity surface brushing of the resin sand pattern German import three times
Coating.By resin sand pattern by semi-automatic production line, gravity casting is shaped to aluminium cover shell casting, and to aluminium cover shell
Carry out natural aging treatment, shotblasting processing；
The upper mold includes taper positioning 001, mould bases 002, cylindricality pouring slot 003, taper runway 004, cylindricality riser 005
With upper model cavity, the upper model cavity matches setting with bottom surface morpheme, the size of aluminium cover shell；The upper model cavity includes plane
101, triangle side is convex 102, strip groove 103, loose piece 104, rectangular recess A105, right angle boss 106, step surface 107, inside
Face 108, L-shaped groove 109, bar shaped side 110, semi-circular boss 111, arc joint face 112, loose piece groove 113, rectangular recess
B114, triangle boss 115, rectangular surfaces 116, loose piece muscle 117, side 118；Three adjacent corner settings of the mould bases 002
There are three tapers to position 001, and model cavity is provided among the mould bases 002, and being provided with cylindricality in the middle part of the upper model cavity pours
Material mouth 003,003 both sides of cylindricality pouring slot are provided with two taper runways 004, the two sides setting of the upper model cavity
There are two cylindricality riser 005.
The lower die includes taper positioning 001, mould bases 002, taper runway 004 and lower die cavity, the lower die cavity with
Aluminium cover outer casing top surface morpheme, size matching setting, the lower die cavity include that arc boss 119, bar shaped step 120, rectangle are convex
Platform 121, dowel 122, groove 123, groove inner plane 124, side boss 125, radian joint angle 126, rectangular step 127,
Inner edge 128, upper plane 129, side L-shaped boss 130, irregular groove 131, side rectangular recess 132, side strip groove face
133, boss side surfaces 134；There are three tapers to position 001 for three adjacent corner settings of the mould bases 002, the mould bases 002
Centre is provided with lower die cavity, and taper runway 004 is provided among the lower die cavity.
By above-mentioned specific embodiment, the utility model has the beneficial effects that：Using upper die and lower die, pass through semi-automatic life
Assembly line is produced, sandbox tooling makes the resin sand pattern of aluminium cover shell with resin sand by moulding machine；By casting machine gravity casting
It is shaped to aluminium cover shell casting, and is heat-treated by T6, deflection is completely eliminated, product stability is good, and intensity is high, and appearance is beautiful
It sees；Large volume casting, which is cast, for industry and enterprise provides a new way.
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 (2)
1. a kind of high-end multicolour press aluminium cover shell resin sand casting mould, which is characterized in that including upper die and lower die；It is described
The mold cavity of upper die and lower die and mould bases one slitless connection, the upper die and lower die are assemblied in specific tooling, with mold phase
With forming cavity, and the resin sand pattern of aluminium cover shell is constituted using resin sand material；The mold cavity surface of the resin sand pattern
It is painted with the high temperature cast paint of three layers of German import, obtains aluminium cover shell casting；
The upper mold includes taper positioning, mould bases, cylindricality pouring slot, taper runway, cylindricality riser and upper model cavity, the upper mold
Cavity matches setting with bottom surface morpheme, the size of aluminium cover shell；The upper model cavity include convex plane, triangle side, strip groove,
Loose piece, rectangular recess A, right angle boss, step surface, medial surface, L-shaped groove, bar shaped side, semi-circular boss, arc joint face, work
Block groove, rectangular recess B, triangle boss, rectangular surfaces, loose piece muscle, side；Three adjacent corners of the mould bases are provided with three
A taper positions, and model cavity is provided among the mould bases, cylindricality pouring slot, the column are provided in the middle part of the upper model cavity
Shape pouring slot both sides are provided with two taper runways, and there are two cylindricality riser for the two sides setting of the upper model cavity.
2. a kind of high-end multicolour press aluminium cover shell resin sand casting mould according to claim 1, which is characterized in that
The lower die includes taper positioning, mould bases, taper runway and lower die cavity, the lower die cavity and aluminium cover outer casing top surface morpheme,
Size matching setting, the lower die cavity include arc boss, bar shaped step, rectangular boss, dowel, groove, put down in groove
Face, side boss, radian joint angle, rectangular step, inner edge, upper plane, side L-shaped boss, irregular groove, side rectangle are recessed
Slot, side strip groove face, boss side surfaces；There are three tapers to position for three adjacent corner settings of the mould bases, the mould
It is provided with lower die cavity among frame, taper runway is provided among the lower die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721450626.8U CN207681429U (en) | 2017-11-03 | 2017-11-03 | A kind of high-end multicolour press aluminium cover shell resin sand casting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721450626.8U CN207681429U (en) | 2017-11-03 | 2017-11-03 | A kind of high-end multicolour press aluminium cover shell resin sand casting mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207681429U true CN207681429U (en) | 2018-08-03 |
Family
ID=62989590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721450626.8U Expired - Fee Related CN207681429U (en) | 2017-11-03 | 2017-11-03 | A kind of high-end multicolour press aluminium cover shell resin sand casting mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207681429U (en) |
-
2017
- 2017-11-03 CN CN201721450626.8U patent/CN207681429U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180803 |