CN210996475U - Argon blowing nozzle static pressing die - Google Patents

Argon blowing nozzle static pressing die Download PDF

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Publication number
CN210996475U
CN210996475U CN201922178365.4U CN201922178365U CN210996475U CN 210996475 U CN210996475 U CN 210996475U CN 201922178365 U CN201922178365 U CN 201922178365U CN 210996475 U CN210996475 U CN 210996475U
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core
die
module
conical
mold
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CN201922178365.4U
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Chinese (zh)
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严志军
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Wuxi Shuangying Refractory Co ltd
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Wuxi Shuangying Refractory Co ltd
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Abstract

The argon blowing nozzle static pressure die comprises a rubber die, a steel die core, an upper cover and a lower cover, wherein the upper cover and the lower cover are respectively arranged at the top end and the bottom of the rubber die; the steel mold core includes first mold core and second mold core, be equipped with toper apical core on the lower cover, be equipped with a plurality of modules of laminating with the toper surface of toper apical core around the toper apical core, the second mold core crimping is in the top of toper apical core, and the second mold core have at least partial crimping in the top of module. The method can be used for manufacturing the water gap with the refractory material placing groove by a cold isostatic pressing method so as to set the argon blowing structure, ensures that the refractory material placing groove is manufactured at one time, and reduces the process cost.

Description

Argon blowing nozzle static pressing die
Technical Field
The utility model relates to a mouth of a river field of making, concretely relates to argon blowing mouth of a river static pressing mould.
Background
In continuous casting production, molten steel is poured into a crystallizer from a tundish through a submerged nozzle, at present, the nozzle for production in a steel plant has various forms, and the nozzles are designed specifically according to different requirements on different occasions. Among them, in view of the problem of deposition of precipitates in molten steel, there is a solution in which a porous refractory is embedded in a pouring inlet of a nozzle, so that the nozzle can be prevented from being clogged by blowing argon. One way of providing porous refractory material at the pouring inlet is to provide a refractory placement trough 90 as shown in fig. 1 that can reliably place refractory material and control the thickness of the argon blowing barrier, but cannot be successfully manufactured with the usual nozzle molds.
SUMMERY OF THE UTILITY MODEL
In view of above situation, in order to solve the problem that above-mentioned technique exists, the utility model provides a blow argon mouth of a river static moulding-die can be used for having the mouth of a river of refractory material standing groove in order to set up the argon structure through cold isostatic pressing legal system preparation, ensures that the refractory material standing groove is once only made, reduces the processing cost.
The argon blowing nozzle static pressing die comprises a rubber die, a steel die core, an upper cover and a lower cover, wherein the upper cover and the lower cover are respectively arranged at the top end and the bottom of the rubber die; the steel mold core includes first mold core and second mold core, be equipped with toper apical core on the lower cover, be equipped with a plurality of modules of laminating with the toper surface of toper apical core around the toper apical core, the second mold core crimping is in the top of toper apical core, and the second mold core have at least partial crimping in the top of module.
The space among the rubber mold, the steel mold core, the upper cover and the lower cover forms a water gap forming space, mixed ingredients are firstly put into the forming space during manufacturing, then the forming is carried out through a hydrostatic press such as a cold press, and then the formed product is cured and sintered, and the aluminum-carbon water gap can be further finely processed.
Through set up toper top core on the lower cover, with the module cooperation, form the structure of refractory material standing groove in the mouth of a river to when shaping such as cold, can once only accomplish the preparation, reduce the processing cost. Through setting up a plurality of modules, the equipment module of being convenient for to after the shaping is accomplished, can take out lower cover and toper top core earlier, then take out the module one by one, be convenient for unload the mould. The method for taking out the module can be that after the conical top core is drawn out, a screw is screwed on one module, then the module is pulled into the space after the conical top core is withdrawn, the module is taken down, and then the rest modules are taken down one by one.
Preferably, an annular raised top core clamping ring is arranged around the conical top core, and a top core bottom clamping groove is formed between the top core clamping ring and the bottom of the conical top core; the module bottom is equipped with module bottom joint arch respectively, the protruding joint of module bottom joint sets up in top core bottom joint groove. Through the protruding cooperation of top core joint circle of module bottom joint, can fix the module on toper top core, when using, place the module on toper top core earlier, then load onto the second mold core, first mold core is loaded onto in the repacking, and other part's equipment can go on according to conventional equipment mode.
Preferably, the module top still is equipped with module top joint arch respectively, second mold core bottom periphery is equipped with that second mold core joint is protruding, second mold core joint protruding with constitute a core top joint groove between the top outer wall of toper top core, the protruding joint of module top joint sets up in the core top joint groove. Through the convex cooperation of module top joint arch and second mold core joint, further strengthen fixing the module in the protruding reliability on the toper top core. During forming, the pressure transmitted by the rubber mold to which the ingredients are subjected is further transmitted to the mold block, and the final pressure is borne by the conical top core.
Preferably, a conical concave part is arranged at the top of the conical top core, a conical protrusion part is arranged at the bottom of the second mold core, and the conical protrusion part is embedded into the conical concave part. The second mold core and the conical ejection core are convenient to match, and a fixing structure between the second mold core and the mold blocks is also convenient to set.
Preferably, a first mold core positioning hole is formed in the bottom of the first mold core, a second mold core positioning column is arranged at the top of the second mold core, and the second mold core positioning column is embedded in the first mold core positioning hole. The positioning and the fixed connection are convenient, and relative fixation is formed.
After the technology provided by the utility model, according to the utility model discloses argon blowing mouth of a river static moulding-die has following beneficial effect:
1) through set up toper top core on the lower cover, with the module cooperation, form the structure of refractory material standing groove in the mouth of a river to when shaping such as cold, can once only accomplish the preparation, reduce the processing cost. Through setting up a plurality of modules, the equipment module of being convenient for to after the shaping is accomplished, can take out lower cover and toper top core earlier, then take out the module one by one, be convenient for unload the mould. The method for taking out the module can be that after the conical top core is drawn out, a screw is arranged on one module, and then the module is drawn into the conical top core
And taking down the module in the space after exiting, and then taking down the rest modules one by one.
Drawings
Fig. 1 is a sectional view of a nozzle structure to be manufactured by an argon blowing nozzle static pressure die according to an embodiment of the present application;
fig. 2 is a sectional view of a static pressure mold of an argon blowing nozzle in embodiment 1 of the present application;
fig. 3 is a top view of a combined structure of a lower cover, a conical top core, a module and a second mold core in the argon blowing nozzle static pressure mold according to the embodiment of the present application;
fig. 4 is a sectional view of a static pressure mold for an argon blowing nozzle in embodiment 2 of the present application.
Description of reference numerals:
rubber mold 1
Steel mold core 2
First mold core 21
First core positioning hole 210
Second mold core 22
Second mold core positioning column 220
Second core clamping projection 222
Upper cover 3
Upper cover body 31
Upper cover positioning part 32
Upper cover positioning hole 320
Lower cover 4
Lower cover body 41
Lower cover positioning part 42
Anti-slip cloth strip 5
Upper anchor ear 61
Lower anchor ear 62
Conical core 7
Module 70
Module bottom clamping projection 701
Module top clamping protrusion 702
Easy module 705
Sector module 706
Module access hole 709
Top core clamping ring 71
Mold-hole-taking packed column 79
Refractory holding tank 90
Detailed Description
The present invention will be described in further detail with reference to embodiments shown in the drawings. The described embodiments include various specific details to aid understanding, but they are to be construed as merely illustrative, and not restrictive of all embodiments of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. Meanwhile, in order to make the description more clear and concise, a detailed description of functions and configurations well known in the art will be omitted.
Example 1
As shown in fig. 2 and 3, the argon blowing nozzle static pressure die comprises a rubber die 1, a steel die core 2, an upper cover 3 and a lower cover 4, wherein the upper cover 3 and the lower cover 4 are respectively arranged at the top end and the bottom of the rubber die 1, the rubber die 1 is of a hollow structure, the steel die core 2 is installed in the rubber die 1, the top of the steel die core 2 is relatively fixed with the upper cover 3, and the bottom of the steel die core 2 is relatively fixed with the lower cover 4; the steel mold core 2 comprises a first mold core 21 and a second mold core 22, a conical top core 7 is arranged on the lower cover 4, a plurality of modules 70 attached to the conical surface of the conical top core are arranged around the conical top core 7, the second mold core 22 is in compression joint with the top of the conical top core 7, and at least part of the second mold core 22 is in compression joint with the top of the modules 70.
The space among the rubber mold, the steel mold core, the upper cover and the lower cover forms a water gap forming space, mixed ingredients are firstly put into the forming space during manufacturing, then the forming is carried out through a hydrostatic press such as a cold press, and then the formed product is cured and sintered, and the aluminum-carbon water gap can be further finely processed.
Through set up toper top core on the lower cover, with the module cooperation, form the structure of refractory material standing groove in the mouth of a river to when shaping such as cold, can once only accomplish the preparation, reduce the processing cost. Through setting up a plurality of modules, the equipment module of being convenient for to after the shaping is accomplished, can take out lower cover and toper top core earlier, then take out the module one by one, be convenient for unload the mould. The method for taking out the module can be that after the conical top core is drawn out, a screw is screwed on one module, then the module is pulled into the space after the conical top core is withdrawn, the module is taken down, and then the rest modules are taken down one by one.
An annular raised top core clamping ring 71 is arranged around the conical top core 7, and a top core bottom clamping groove is formed between the top core clamping ring 71 and the bottom of the conical top core 7; the bottom of the module 70 is provided with a module bottom clamping protrusion 701 respectively, and the module bottom clamping protrusion 701 is clamped and arranged in the top core bottom clamping groove. Through the protruding cooperation of top core joint circle of module bottom joint, can fix the module on toper top core, when using, place the module on toper top core earlier, then load onto the second mold core, first mold core is loaded onto in the repacking, and other part's equipment can go on according to conventional equipment mode.
The top of the module 70 is also provided with a module top clamping protrusion 702 respectively, the periphery of the bottom of the second mold core 22 is provided with a second mold core clamping protrusion 222, the second mold core clamping protrusion 222 is provided with a top core top clamping groove formed between the outer walls of the tops of the conical top cores 7, and the module top clamping protrusion 702 is clamped and arranged in the top core top clamping groove. Through the convex cooperation of module top joint arch and second mold core joint, further strengthen fixing the module in the protruding reliability on the toper top core. During forming, the pressure transmitted by the rubber mold to which the ingredients are subjected is further transmitted to the mold block, and the final pressure is borne by the conical top core.
The top of the conical top core 7 is provided with a conical concave part, the bottom of the second mold core 22 is provided with a conical protruding part, and the conical protruding part is embedded into the conical concave part. The second mold core and the conical ejection core are convenient to match, and a fixing structure between the second mold core and the mold blocks is also convenient to set.
The bottom of the first mold core 21 is provided with a first mold core positioning hole 210, the top of the second mold core 22 is provided with a second mold core positioning column 220, and the second mold core positioning column 220 is embedded in the first mold core positioning hole 210. The positioning and the fixed connection are convenient, and relative fixation is formed.
The mutual connection and fixation structure of the components can form the relative fixation of the components as follows.
The upper cover 3 comprises an upper cover body 31 arranged at the top of the rubber mold 1 and an upper cover positioning part 32 embedded in the hollow part at the top of the rubber mold 1.
An upper hoop 61 is arranged on the outer side of the rubber mold 1 corresponding to the upper cover positioning part 32.
The bottom of the upper cover positioning part 32 is provided with an upper cover positioning hole 320, and the top of the steel mold core 2 is embedded in the upper cover positioning hole 320.
The lower cover 4 comprises a lower cover body 41 arranged at the bottom of the rubber mold 1 and a lower cover positioning part 42 embedded in a hollow part at the bottom of the rubber mold 1, and the conical top core 7 is arranged on the inner surface of the lower cover positioning part 42.
And a lower hoop 62 is arranged on the outer side of the rubber mold 1 corresponding to the lower cover positioning part 42.
The outer side of the rubber mold 1 is further coated with an anti-skid cloth strip 5.
Example 2
As shown in fig. 3 and 4, the argon gas blowing nozzle static pressure mold of the present embodiment is easy to disassemble, and is different from embodiment 1 in that the plurality of modules 70 at least comprises an easy-to-take module 705 with two side surfaces parallel to each other on a horizontal projection plane. The easy-taking modules are arranged on the two side surfaces of the horizontal projection plane and are parallel to each other, so that the modules which are in parallel contact with other modules on the periphery can be formed, the easy-taking modules can be taken out from a combination formed by a plurality of modules in advance when the modules are unloaded, the damage to the modules or finished product water gaps cannot be caused, and the modules do not need to be taken down through the advance abdication of the second mold core or the deformation of parts.
The modules 70 comprise two easy-to-take modules 705 with two side surfaces parallel to each other on the horizontal projection plane and a plurality of fan-shaped modules 706 with fan-shaped structures on the horizontal projection plane. And the mould is more convenient to unload.
The two easy-taking modules 705 are symmetrically arranged, and the fan-shaped modules 706 are respectively arranged between the two easy-taking modules 705.
At least one module 70 of the plurality of modules 70 is provided with a module taking hole 709 on the inner surface thereof, the conical top core 7 is provided with a module taking hole filling column 79 on the surface thereof at a corresponding position, and the module taking hole filling column 79 is embedded in the module taking hole 709. Because a plurality of when the module is combined together, it is comparatively inconvenient to get first module during the mould unloading, through setting up get the module hole, after unloading the toper apical core, can directly draw through the hook get the module hole and shift the module to the space that the toper apical core was left after unloading to conveniently take off the module, follow-up module space is not hard up the back and is changeed and take out. Through setting up get the mould hole packed column, pack when the shaping and get the module hole to can bear the atress of module, prevent that the hole from warping.
The mold-removing hole-filling column 79 is vertically provided upward on the outer wall of the tapered top core 7, and the mold-removing hole 709 is vertically provided downward on the inner wall of the module 70. Facilitating installation of the module and conical tip core.
The terms "upper", "lower" or "above", "below" or the like are used herein in a relative relationship with respect to a normal use in a placed state, i.e., a positional relationship as generally shown in the drawings of the present application. When the placement state changes, for example, when the placement state is turned over, the corresponding positional relationship should be changed accordingly to understand or implement the technical solution of the present application.

Claims (5)

1. The argon blowing nozzle static pressure die is characterized by comprising a rubber die (1), a steel die core (2), an upper cover (3) and a lower cover (4), wherein the upper cover (3) and the lower cover (4) are respectively arranged at the top end and the bottom of the rubber die (1), the rubber die (1) is of a hollow structure, the steel die core (2) is arranged in the rubber die (1), the top of the steel die core (2) is relatively fixed with the upper cover (3), and the bottom of the steel die core (2) is relatively fixed with the lower cover (4); the steel mold core (2) comprises a first mold core (21) and a second mold core (22), a conical top core (7) is arranged on the lower cover (4), a plurality of modules (70) attached to the conical surface of the conical top core are arranged around the conical top core (7), the second mold core (22) is pressed at the top of the conical top core (7), and at least part of the second mold core (22) is pressed at the top of the modules (70).
2. The argon blowing nozzle static pressure die according to claim 1, characterized in that an annular raised top core clamping ring (71) is arranged around the conical top core (7), and a top core bottom clamping groove is formed between the top core clamping ring (71) and the bottom of the conical top core (7); the bottom of the module (70) is provided with a module bottom clamping protrusion (701) respectively, and the module bottom clamping protrusion (701) is clamped in the top core bottom clamping groove.
3. The argon blowing nozzle static pressing die as claimed in claim 1, wherein the top of the module (70) is further provided with a module top clamping protrusion (702), the periphery of the bottom of the second mold core (22) is provided with a second mold core clamping protrusion (222), a top core top clamping groove is formed between the second mold core clamping protrusion (222) and the top outer wall of the conical top core (7), and the module top clamping protrusion (702) is clamped and arranged in the top core top clamping groove.
4. An argon blowing nozzle static mould according to any one of claims 1 to 3, characterized in that the top of the conical top core (7) is provided with a conical recess, and the bottom of the second mould core (22) is provided with a conical protrusion which is embedded in the conical recess.
5. The argon blowing nozzle static pressure die as claimed in any one of claims 1 to 3, wherein a first die core positioning hole (210) is formed at the bottom of the first die core (21), a second die core positioning column (220) is formed at the top of the second die core (22), and the second die core positioning column (220) is embedded in the first die core positioning hole (210).
CN201922178365.4U 2019-12-09 2019-12-09 Argon blowing nozzle static pressing die Active CN210996475U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922178365.4U CN210996475U (en) 2019-12-09 2019-12-09 Argon blowing nozzle static pressing die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922178365.4U CN210996475U (en) 2019-12-09 2019-12-09 Argon blowing nozzle static pressing die

Publications (1)

Publication Number Publication Date
CN210996475U true CN210996475U (en) 2020-07-14

Family

ID=71506370

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922178365.4U Active CN210996475U (en) 2019-12-09 2019-12-09 Argon blowing nozzle static pressing die

Country Status (1)

Country Link
CN (1) CN210996475U (en)

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