CN104149172B - A kind of metering nozzle mould - Google Patents
A kind of metering nozzle mould Download PDFInfo
- Publication number
- CN104149172B CN104149172B CN201410302975.XA CN201410302975A CN104149172B CN 104149172 B CN104149172 B CN 104149172B CN 201410302975 A CN201410302975 A CN 201410302975A CN 104149172 B CN104149172 B CN 104149172B
- Authority
- CN
- China
- Prior art keywords
- internal mold
- voussoir
- mold
- base
- external mold
- Prior art date
- 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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Links
- 210000004907 gland Anatomy 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000000758 substrate Substances 0.000 abstract description 20
- 238000003825 pressing Methods 0.000 abstract description 12
- 238000000465 moulding Methods 0.000 abstract description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 12
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- HCOLPNRPCMFHOH-UHFFFAOYSA-N Prodigiosin Natural products CCCCCC1C=C(C=C/2N=C(C=C2OC)c3ccc[nH]3)N=C1C HCOLPNRPCMFHOH-UHFFFAOYSA-N 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- DHIKXHFSPCZNCL-UHFFFAOYSA-N [O-2].[Zr+4].[O-2].[Zr+4] Chemical compound [O-2].[Zr+4].[O-2].[Zr+4] DHIKXHFSPCZNCL-UHFFFAOYSA-N 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- TWFGRJUTAULJPZ-USZBIXTISA-N prodigiosin Chemical compound N1=C(C)C(CCCCC)=C\C1=C/C1=NC(C=2[N]C=CC=2)=C[C]1OC TWFGRJUTAULJPZ-USZBIXTISA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0097—Press moulds; Press-mould and press-ram assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The present invention relates to a kind of metering nozzle mould, this mould is used for suppressing metering nozzle base substrate, this mould comprises internal mold (3), the external mold (2) be enclosed within internal mold, it is characterized in that: between internal mold and external mold, be provided with gland (4), the cavity formed between internal mold, external mold and gland can be identical with the shape of metering nozzle (1); This mould also comprises a base (8), the rocking arm (21) base being provided with a pair bolster (18) and rotating around bolster; inner arm (19) end of rocking arm reaches the bottom of internal mold; outer arm (17) end of rocking arm can contact with the depression bar (16) with certain length, and depression bar extends perpendicularly through the roof of base; When pressing to gland and depression bar with a pressing plate, gland and internal mold are formed and move in opposite directions, make the one-shot forming of metering nozzle base substrate, improve the operating efficiency of base substrate compacting; Described gland can take out when reinforced, facilitates charging; Base substrate can not be there is when moulding adobe blocks and be adsorbed on phenomenon on external mold.
Description
Technical field
The present invention relates to a kind of metering nozzle mould, this mould is used for suppressing the base substrate of metering nozzle, and described metering nozzle is used for the direct casting of molten steel.
Background technology
Metering nozzle for molten steel direct casting is made up of zirconium dioxide material, and its shape (as Suo Shi mark 1 in Fig. 1) is truncated cone-shaped, in round platform, be provided with through hole, and the hole portion of the stub end of round platform is fusiform cambered surface.The processing technology of metering nozzle comprises granulation, pressed compact, sintering; Wherein pressed compact is a critical process, and require blank shape and the consistent size of compacting, the bulk density of base substrate is even; If the bulk density of base substrate is uneven produce thermal stress in the intergranular uneven expansion of sintering process zirconium powder, and cracks in metering nozzle inside and make product rejection.Existing mould is made up of (as shown in Figure 3) internal mold 03 and external mold 02; outer die casing is on internal mold; the cavity that one holds zirconium dioxide zirconium powder is formed between external mold and internal mold; the shape of this cavity is identical with the shape of described metering nozzle, by making zirconium powder shaping to external mold or internal mold pressurization.Its weak point is: one when being reinforced in external mold, and the stub end of internal mold need depart from external mold and reserves reinforced import, and the bar portion due to internal mold stays in external mold and makes charging aperture less, and material powder can only inject along the inwall of external mold, makes to feed in raw material rather inconvenient; Two is for the bulk density uniformity of guarantee base substrate needs successively pressurize to the above and below of base substrate; Three be when moulding adobe blocks base substrate sometimes attached suction on external mold, need vibrate and could take out base substrate, inconvenience of moulding adobe blocks.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of mould of metering nozzle, and this shaping mould prodigiosin carries out pressure dual-side to metering nozzle base substrate simultaneously, and reinforced and convenience of moulding adobe blocks, improves the working (machining) efficiency of base substrate.
The mould of described metering nozzle comprises internal mold 3, the external mold 2 be enclosed within internal mold, and it is characterized in that: between internal mold and external mold, be provided with gland 4, the cavity formed between internal mold, external mold and gland can be identical with the shape of metering nozzle 1;
Described mould also comprises a base 8, has a flange 5 in the middle part of described external mold, and external mold reaches in the cavity of base through the roof of base, and the flange on external mold is shelved on base upper surface;
A pair pilot pin bearing 10 is fixed with symmetrically at the upper surface of base, pilot pin 11 is installed with in the horizontal direction in pilot pin bearing, one end of pilot pin can prop up the upper surface of external mold flange, and the other end of pilot pin has between the circumference of this evagination of circumference of an evagination and pilot pin bearing and is provided with retainer spring 12;
A pair voussoir bearing 13 is fixed with symmetrically at the upper surface of base, the voussoir 14 of bar shaped is vertically inserted with in voussoir bearing, voussoir only can vertically movement in voussoir bearing, one side of voussoir is made up of a vertical plane and an inclined-plane, this side contacts with the end face of the pilot pin other end, the upper surface portion cover stretching out voussoir bearing at voussoir has voussoir spring 15, is provided with the cover plate 9 preventing voussoir spring from deviating from the top of voussoir;
The sidewall that base is relative has been provided with a pair bolster 18 symmetrically, the rocking arm 21 rotated around bolster bolster is equipped with respectively; inner arm 19 end of rocking arm reaches the bottom of internal mold; outer arm 17 end of rocking arm can contact with the depression bar 16 with certain length, and described depression bar extends perpendicularly through the roof of base.
Mould of the present invention is compared with existing mould, 1, the function of two-sided compacting is had, when pressing to gland and depression bar with a pressing plate, gland and internal mold are formed and move in opposite directions, make the one-shot forming of metering nozzle base substrate, the bulk density uniformity of base substrate is better, ensure that the quality of base substrate, improves the operating efficiency of base substrate compacting; 2, the gland owing to arranging between internal mold and external mold can take out when reinforced, makes charge door comparatively large, facilitates charging; Can depress gland when moulding adobe blocks make internal mold be separated with external mold, then takes out base substrate from internal mold, base substrate can not occur and be adsorbed on phenomenon on external mold.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the top view of Fig. 1, eliminates pressing plate, pilot pin, retainer spring in this figure.
Fig. 3 is the metering nozzle mould of prior art.
Accompanying drawing mark in Fig. 1, Fig. 2 is expressed as: 1-metering nozzle, 2-external mold, 3-internal mold, 4-gland, 5-flange, 6-steel ball, 7-steel ball spring, 8-base, 9-cover plate, 10-pilot pin bearing, 11-pilot pin, 12-retainer spring, 13-voussoir bearing, 14-voussoir, 15-voussoir spring, 16-depression bar, 17-outer arm, 18-bolster, 19-inner arm, 20-pressing plate, 21-rocking arm, 22-locating piece.
Detailed description of the invention
Now contrast accompanying drawing and the specific embodiment of the present invention is described.
A mould for metering nozzle, comprises internal mold 3, the external mold 2 be enclosed within internal mold, is provided with gland 4 between internal mold and external mold; Described internal mold is made up of the cylinder of two sections of different-diameters, and described cylindrical binding site is a cambered surface; Described external mold is sleeve-shaped, and its underpart is match with the great circle of internal mold bottom in the hole of large diameter, and its top is the hole of little internal diameter, by the hole transition of a tapering between large and small hole; Described gland is enclosed within the top of internal mold ordinatedly, and the cylindrical of gland matches with the aperture of external mold; Described gland top is exposed at the upper surface of external mold, and the lower surface of external mold is exposed in the bottom of described internal mold, and the top of internal mold, in external mold, can form a cavity identical with the shape of metering nozzle 1 between internal mold, external mold and gland.
Described mould also comprises a base 8, has a flange 5 in the middle part of described external mold, and external mold reaches in the cavity of base through the roof of base, and the flange on external mold is shelved on base upper surface; Described base is fixed on the workbench of press, and press does not draw in the accompanying drawings.
Be fixed with a pair pilot pin bearing 10 symmetrically at the upper surface of base, be installed with pilot pin 11 in the horizontal direction in pilot pin bearing, one end of pilot pin can prop up the upper surface of the flange of external mold; The other end of pilot pin has between the circumference of this evagination of circumference of an evagination and pilot pin bearing and is provided with retainer spring 12, is provided with collar, is used for preventing pilot pin from ejecting from positioning support in inside position, one end of pilot pin.
The voussoir bearing 13 of a pair " 7 " word shape is fixed with symmetrically at the upper surface of base, the voussoir 14 being inserted with bar shaped is vertically coordinated in the transverse arm of voussoir bearing, voussoir can only vertically movement on bearing, the cross section of voussoir can be square or is other shapes non-rotatable in voussoir bearing, voussoir is made up of towards the side of pilot pin a vertical plane and an inclined-plane, this side contacts with the end face of the pilot pin other end, the upper surface portion cover stretching out voussoir bearing at voussoir has voussoir spring 15, the cover plate 9 preventing voussoir spring from deviating from is provided with on the top of voussoir, when the effect lower wedge block of pressing plate 20 moves downward, the inclined-plane on voussoir props up the other end of pilot pin, and pilot pin is moved to the flange of external mold, until pilot pin blocks the flange of external mold, when voussoir moves downward certain position, plane vertical on the voussoir pilot pin that contacts with the other end of pilot pin is not moved, when pressing plate moves upward, move upward at the effect lower wedge block of voussoir spring, meanwhile under the effect of retainer spring, the flange of external mold is left in one end of pilot pin.
The sidewall that base is relative is supported with a pair bolster 18 symmetrically, the rocking arm 21 that can rotate around bolster bolster is equipped with respectively; inner arm 19 end of rocking arm reaches the bottom of internal mold; outer arm 17 end of rocking arm can contact with the bottom of depression bar 16, and described depression bar extends perpendicularly through the roof of base; When depression bar presses to the outer arm of rocking arm, the bottom that the inner arm of rocking arm withstands internal mold makes internal mold move up.
The lower surface of the end of inner arm 19 is provided with locating piece 22, and the bottom of locating piece and the table top of press bed leave certain clearance distance, and this clearance distance is equal with the moveable displacement height of internal mold.
The using method of this mould is, internal mold is stretched into base and is shelved on the inner arm of rocking arm, by outer die casing on internal mold, pours the zirconium powder of quantitatively (weight error is in 2/1000ths) into, be enclosed within by gland on internal mold in the cavity between external mold and internal mold; Open press to suppress, the course of action of described mould is, pressing plate on press first contacts the upper surface making pilot pin block external mold upper flange with voussoir, make external mold not produce movement, then pressing plate and gland contact with depression bar and gland and internal mold are moved simultaneously in opposite directions, make the zirconium powder pressurized upper and lower surface while in mould, suppress when the pressure of press reaches certain value, make pressing plate bounce back, pilot pin leaves external mold, takes out external mold from base; First depressing gland when moulding adobe blocks makes internal mold be separated with external mold, then takes out base substrate from internal mold.
Profile due to metering nozzle is truncated cone-shaped, in pressing process gland and internal mold in opposite directions movement zirconium powder is squeezed, make external mold be subject to a vertical stress component and produce displacement the size of metering nozzle is changed, pilot pin is set and can blocks external mold, make external mold that vertical movement not occur, to ensure the size of metering nozzle.
The outer arm of described rocking arm and the brachium ratio adjustable of inner arm, when its ratio is equal (brachium of outer arm and inner arm is equal), the speed of when depression bar presses to outer arm, inner arm pushing up internal mold is equal with the speed that gland moves down, the weight error of zirconium powder is controlled in 2/1000ths, can ensure that the bulk density of metering nozzle is even.
When the outer arm of described rocking arm and the brachium ratio of inner arm are adjusted to 1.05:1 (brachium of outer arm is slightly larger than the brachium of inner arm), the speed of when depression bar presses to outer arm, inner arm pushing up internal mold is slightly less than the speed that gland moves down, the weight error of zirconium powder is controlled in 5/1000ths, also can ensure that the bulk density of metering nozzle is even, and on the uniformity of product size without impact, zirconium powder can be improved like this and to weigh operation operating efficiency.
For convenience of pouring zirconium powder in mould, the cylinder of internal mold bottom is crossed the center of circle and is provided with steel ball spring 7 in the horizontal direction, be provided with steel ball 6 at the two ends of steel ball spring, described steel ball is limited in the cylinder of internal mold, outside the cylinder of the extended internal mold of little hemispherical portion of steel ball; The circular hole of external mold bottom is provided with cannelure, and steel ball can embed in this cannelure, makes external mold and internal mold be connected to a predeterminated position, and described predeterminated position is that zirconium powder is by the relative position compressed between front external mold and internal mold; Zirconium powder can be poured between external mold and internal mold easily outward at the base of mould like this, due to by the tension force effect of steel ball spring, when external mold is mentioned be inserted in base time internal mold can not depart from from external mold; Pressure when internal mold pressurized suffered by it, is enough to make steel ball exit cannelure, can not affects the movement of internal mold.
For making zirconium powder more uniformly be distributed in external mold, cone shape can be arranged in the top of internal mold.
Claims (5)
1. the mould of a metering nozzle, it comprises internal mold (3), the external mold (2) be enclosed within internal mold, it is characterized in that: between internal mold and external mold, be provided with gland (4), the cavity formed between internal mold, external mold and gland can be identical with the shape of metering nozzle (1);
Described mould also comprises a base (8), has a flange (5) in the middle part of described external mold, and external mold reaches in the cavity of base through the roof of base, and the flange on external mold is shelved on base upper surface;
A pair pilot pin bearing (10) is fixed with symmetrically at the upper surface of base, pilot pin (11) is installed with in the horizontal direction in pilot pin bearing, one end of pilot pin can prop up the upper surface of external mold flange, and the other end of pilot pin has between the circumference of this evagination of circumference of an evagination and pilot pin bearing and is provided with retainer spring (12);
A pair voussoir bearing (13) is fixed with symmetrically at the upper surface of base, the voussoir (14) of bar shaped is vertically inserted with in voussoir bearing, voussoir only can vertically movement in voussoir bearing, one side of voussoir is made up of a vertical plane and an inclined-plane, this side contacts with the end face of the pilot pin other end, the upper surface portion cover stretching out voussoir bearing at voussoir has voussoir spring (15), is provided with the cover plate (9) preventing voussoir spring from deviating from the top of voussoir;
The sidewall that base is relative is provided with a pair bolster (18) symmetrically, the rocking arm (21) rotated around bolster bolster is equipped with respectively; inner arm (19) end of rocking arm reaches the bottom of internal mold; outer arm (17) end of rocking arm can contact with the depression bar (16) with certain length, and described depression bar extends perpendicularly through the roof of base.
2. the mould of metering nozzle according to claim 1, is characterized in that, the outer arm of described rocking arm (21) is equal with the brachium of inner arm.
3. the mould of metering nozzle according to claim 1, is characterized in that, the described outer arm of rocking arm (21) and the brachium ratio of inner arm are 1.05:1.
4. the mould of metering nozzle according to claim 1, it is characterized in that, the cylinder of internal mold (3) bottom is crossed the center of circle and is provided with steel ball spring (7) in the horizontal direction, steel ball (6) is provided with at the two ends of steel ball spring, described steel ball is limited in the cylinder of internal mold, outside the cylinder of the extended internal mold of little hemispherical portion of steel ball; The circular hole of external mold bottom is provided with cannelure, and steel ball can embed in this cannelure, makes external mold and internal mold be connected to a predeterminated position.
5. the mould of metering nozzle according to claim 1, is characterized in that, the top of described internal mold is cone shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410302975.XA CN104149172B (en) | 2014-06-30 | 2014-06-30 | A kind of metering nozzle mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410302975.XA CN104149172B (en) | 2014-06-30 | 2014-06-30 | A kind of metering nozzle mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104149172A CN104149172A (en) | 2014-11-19 |
| CN104149172B true CN104149172B (en) | 2016-03-09 |
Family
ID=51874886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410302975.XA Active CN104149172B (en) | 2014-06-30 | 2014-06-30 | A kind of metering nozzle mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104149172B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262842B (en) * | 2017-01-03 | 2019-10-22 | 蓝思科技（长沙）有限公司 | Profiling is automatically positioned center of circle device and copying apparatus |
| CN110153299B (en) * | 2019-06-27 | 2024-06-11 | 豪德博尔(山东)智能装备有限公司 | Steel pipe bell and spigot forming machine |
| CN110370429A (en) * | 2019-07-31 | 2019-10-25 | 深圳市惠深博越智慧建造科技有限公司 | Crack resistence building block manufacturing equipment and manufacturing process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602386C (en) * | 1930-10-14 | 1934-09-07 | P Schuster Maschf | Molding device for making pots from clay or similar materials |
| US2409096A (en) * | 1944-11-24 | 1946-10-08 | William J Baird | Plastic forming apparatus |
| CN2396910Y (en) * | 1999-10-29 | 2000-09-20 | 王槐孝 | Sliding water gap |
| CN201161292Y (en) * | 2008-03-11 | 2008-12-10 | 济南新峨嵋实业有限公司 | Quick-changing sizing water gap apparatus for pouring box |
| CN201483628U (en) * | 2009-06-25 | 2010-05-26 | 鞍钢集团耐火材料公司 | Frication brick press nozzle brick floating and shaping die |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US288075A (en) * | 1883-11-06 | Stem setting attachment foe watches |
-
2014
- 2014-06-30 CN CN201410302975.XA patent/CN104149172B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602386C (en) * | 1930-10-14 | 1934-09-07 | P Schuster Maschf | Molding device for making pots from clay or similar materials |
| US2409096A (en) * | 1944-11-24 | 1946-10-08 | William J Baird | Plastic forming apparatus |
| CN2396910Y (en) * | 1999-10-29 | 2000-09-20 | 王槐孝 | Sliding water gap |
| CN201161292Y (en) * | 2008-03-11 | 2008-12-10 | 济南新峨嵋实业有限公司 | Quick-changing sizing water gap apparatus for pouring box |
| CN201483628U (en) * | 2009-06-25 | 2010-05-26 | 鞍钢集团耐火材料公司 | Frication brick press nozzle brick floating and shaping die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104149172A (en) | 2014-11-19 |
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Effective date of registration: 20161228 Address after: Jiangyan District 225509 of Jiangsu city in Taizhou province north of the city of Shen Gao Zhen Industrial Zone Patentee after: Jiangsu Jianghua Valve Co., Ltd. Address before: 225000 Guangling City, Jiangsu Province, Chaoyang District, room 14, Building 102, room Patentee before: Liu Qian |