CN103962565A - Accurate liquid guide pipe installing and locating tool and application thereof - Google Patents

Accurate liquid guide pipe installing and locating tool and application thereof Download PDF

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Publication number
CN103962565A
CN103962565A CN201410180939.0A CN201410180939A CN103962565A CN 103962565 A CN103962565 A CN 103962565A CN 201410180939 A CN201410180939 A CN 201410180939A CN 103962565 A CN103962565 A CN 103962565A
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China
Prior art keywords
catheter
nozzle
atomizer
master carrier
round table
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CN201410180939.0A
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CN103962565B (en
Inventor
严彪
严鹏飞
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Tongji University
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Tongji University
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Publication of CN103962565B publication Critical patent/CN103962565B/en
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Abstract

The invention relates to an accurate liquid guide pipe installing and locating tool and an application thereof. The locating tool comprises a main bracket, a micro-metering head and a locating round table, wherein the main bracket is of a half-frame structure composed of a bottom board and two side boards, the outer wall of the micro-metering head is in threaded connection with the bottom board, a micrometric screw of the micro-metering head is located in the half frame, a knob and scales of the micro-metering head are located on the lower side of the bottom board of the main bracket, the locating round table is arranged in the half frame of the main bracket and is connected with the micrometric screw, and the knob of the micro-metering head is rotated to drive the locating round table to move back and forth; the outer side of each side board is provided with a clamping groove used for fixing the main bracket to the work surface of a nozzle; when the locating tool is used for installing a liquid guide pipe on a crucible to the work surface of the nozzle of an atomizer accurately, the installation depth of the liquid guide pipe is fixed. Compared with the prior art, the tool is simple in structure, convenient to use and high in locating accuracy, and solves the problem that due to the fact that the length of the liquid guide pipe can not be in place accurately according to the matching requirement, the atomization technology is not ideal.

Description

A kind of catheter is accurately installed orientation tool and application thereof
Technical field
The present invention relates to catheter installation auxiliary device in gas atomization, especially relate to a kind of catheter orientation tool and application thereof are accurately installed, belong to gas atomization field.
Background technology
Nowadays, the deposition of aerosolization or flouring technology, along with high duty metal section bar more, widely used PM technique and the demand of the ripe and in fashion product technologies such as 3D printing day by day, have become indispensable advanced technique for producing raw material.Yet, along with improving constantly of product requirement, that the manufacturer of gas atomization need to provide is finer and close, organize the deposit preform raw produce more optimized or more tiny, size homogeneous, the better powder stock product of circularity, this just requires in atomization process, needs to control more accurately each technique related link.
Wherein, restricted atomization process, the particularly appearance of some New Type of Restricted ultrasonic nebulization jet nozzles, compare non-limiting atomization process can obtain finer and close, organize more the deposit preform optimized or more tiny, size homogeneous, the better powder of circularity.Yet, in restricted atomization process, it is very responsive to the quality of atomizing effect that catheter stretches out the length of atomizer, and desirable extension elongation scope very narrow (only changing less in the scope of 0.1mm), thereby, in being installed, position fixing process have small deviation will cause the undesirable of atomization process environment and product.Therefore, in order to improve atomization process, except assessing the extension elongation of catheter, draw optimum value, also in the urgent need to supporting installation location technology, guarantee to put in place to best extension elongation place, but the patented technology of accurately not installing about catheter so far both at home and abroad.Simultaneously, owing to will contacting high-temperature fusant, what catheter and crucible, tundish often adopted is ceramic material, these material machining accuracies are poor, and the refractory that is used as crucible and tundish is difficult to carry out secondary operations, therefore, more difficult realization guarantees that by the accurate control of size catheter extension elongation reaches optimum value.Even the size of this part can precisely be controlled, support crucible on stove or the gripper shoe of tundish are after long-time applied at elevated temperature, unavoidable and refractory material and environment reaction, or loss, this will cause positioning datum in next use procedure to change.
To sum up, need a kind of technology to address the above problem, realize the accurate installation method that catheter guarantees to stretch out atomizer optimum length.
Summary of the invention
Object of the present invention is exactly to provide a kind of catheter simple in structure, easy to use, that setting accuracy is high that orientation tool and application thereof are accurately installed in order to overcome the defect of above-mentioned prior art existence.
Object of the present invention can be achieved through the following technical solutions:
A kind of catheter is accurately installed orientation tool, while being used for the catheter on crucible to be accurately installed to atomizer nozzle working face, fitting depth to catheter positions, described orientation tool comprises master carrier, micrometering head and positioning round table, described master carrier is by base plate and two half frame-shaped constructions that side plate forms, the outer wall of described micrometering head is connected with base thread, and the micrometric screw of micrometering head is positioned at half frame, the knob of micrometer head and scale are positioned at the base plate downside of master carrier, described positioning round table is located in half frame of master carrier, and be connected with micrometric screw, the knob of rotation micrometering head drives positioning round table to move forward and backward, the outside of described side plate offers for master carrier being fixed on to the draw-in groove on nozzle operation face.
The upper end face of the bottom surface of described base plate and two side plates is horizontal plane.
The upper end face of two side plates of described master carrier is in same plane.
The outside of described side plate offers the upper and lower penetrating draw-in groove of strip.
The upper surface of described positioning round table is horizontal plane, and the upper surface of positioning round table and the bottom surface of base plate parallel.
Catheter is accurately installed an application for orientation tool, and described orientation tool is for being accurately installed to atomizer nozzle working face by the catheter on crucible, and concrete grammar is as follows:
(1) first two master carrier fixed bars are installed on the nozzle operation face of atomizer, these two master carrier fixed bars are positioned at the both sides of nozzle, and with nozzle on same straight line;
Two described master carrier fixed bars are symmetrical arranged with respect to the nozzle of atomizer, and the distance between two master carrier fixed bars makes the draw-in groove on master carrier to hold fixing with two master carrier fixed bars; Described master carrier fixed bar is screw rod or the screw being welded on nozzle operation face.
(2) master carrier of orientation tool is arranged on the nozzle operation face of atomizer, wherein the draw-in groove of master carrier side plate is held on master carrier fixed bar, and positioning round table is over against the nozzle of atomizer;
(3) first by rotating the knob of micrometer head, make positioning round table touching nozzle operation face, now the numerical value on micrometer head is designated as zero point, then the knob that counter-rotates micrometer head makes positioning round table away from nozzle operation face, until positioning round table equals the catheter extension elongation of setting apart from the distance of nozzle;
(4) catheter on crucible is screw in the nozzle of atomizer, and make the end of catheter touch positioning round table, now catheter stops precession, the nozzle of catheter and atomizer is fastening, complete catheter on crucible and the accurate installation of atomizer nozzle, can carry out normal atomization operation.
The concrete steps of catheter precession atomizer nozzle are:
First threaded portion catheter being threaded with atomizer nozzle is spread high-temperature seal adhesive, in catheter screw into atomizer nozzle during assigned address, stop the motion of catheter, wait for quietly after elevated-temperature seal adhesive curing, fit sealing between catheter and the nozzle of atomizer, the location and installation of crucible and atomizer completes.
By following two kinds of methods, catheter is installed on crucible:
The first, in the bottom of crucible, offer screw thread, offer screw thread on catheter, directly catheter is threaded with crucible fixing, the high-temperature crucible ceramic material that the applicable crucible material of this mode is easy machining, as graphite, hexagonal boron nitride material; Or,
The second, in the bottom of crucible, offer stepped hole, refractory ceramics machining internal thread lining by easy machining, internal thread lining is fixed by adhesive glue and stepped hole sealing, on catheter, offer screw thread, catheter and internal thread bush threads are connected and fixed, the applicable crucible material of this mode is the loose refractory ceramic material that is difficult to machining, as magnesia.
Compared with prior art, the present invention has the following advantages and beneficial effect:
(1) catheter of the present invention is accurately installed orientation tool and is adopted the structure of micrometer head and positioning round table accurately to locate the length that catheter stretches out atomizer nozzle, because the precision of micrometer head can reach 0.01 μ m, therefore orientation tool of the present invention can accurately be located the installation site of catheter.
(2) adopt orientation tool of the present invention to carry out catheter while accurately installing, processing ease, catheter is installed registration, can reach the installation requirement of 0.01 μ m level.
(3) adopt orientation tool of the present invention that atomizer after catheter is installed, having solved can not be by the undesirable problem of atomization process that coordinates requirement accurately to put in place and cause because of catheter length, and atomization process success rate and stability are high.
Accompanying drawing explanation
Fig. 1 is the structural representation of orientation tool;
Fig. 2 is the structural representation of the nozzle operation face of atomizer;
Structural representation when Fig. 3 carries out catheter installation for use orientation tool.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
A kind of catheter is accurately installed orientation tool, as shown in Figure 1, while being used for the catheter on crucible to be accurately installed to atomizer nozzle working face, fitting depth to catheter positions, orientation tool comprises master carrier 1, micrometering 3 and positioning round table 2, master carrier 1 is by base plate and two half frame-shaped constructions that side plate forms, the outer wall of micrometering 3 is connected with base thread, and the micrometric screw of micrometering 3 is positioned at half frame, knob 32 and the scale 31 of micrometer head is positioned at the base plate downside of master carrier 1, positioning round table 2 is located in half frame of master carrier 1, and be connected with micrometric screw, the knob 32 of rotation micrometering 3 drives positioning round tables 2 to move forward and backward, the outside of side plate offers for master carrier 1 being fixed on to the upper and lower penetrating draw-in groove 11 of strip on nozzle operation face.Wherein, the upper end face of the bottom surface of base plate and two side plates is horizontal plane.The upper end face of two side plates of master carrier 1 is in same plane.The upper surface of positioning round table 2 is horizontal plane, and the upper surface of positioning round table 2 and the bottom surface of base plate parallel.
Above-mentioned catheter is accurately installed orientation tool for the catheter on crucible is accurately installed to atomizer nozzle working face, and concrete grammar is as follows:
(1) first two master carrier fixed bars 5 are installed on the nozzle operation face 6 of atomizer, as shown in Figure 2, these two master carrier fixed bars 5 are positioned at the both sides of nozzle 4, and with nozzle 4 on same straight line;
Two master carrier fixed bars 5 are symmetrical arranged with respect to the nozzle 4 of atomizer, and the distance between two master carrier fixed bars 5 makes the draw-in groove 11 on master carrier 1 to hold fixing with two master carrier fixed bars 5; Master carrier fixed bar 5 is for being welded on screw rod or the screw on nozzle operation face 6.
(2) as shown in Figure 3, the master carrier of orientation tool 1 is arranged on the nozzle operation face 6 of atomizer, wherein the draw-in groove 11 of master carrier 1 side plate is held on master carrier fixed bar 5, and positioning round table 2 is over against the nozzle 4 of atomizer;
(3) first by rotating the knob 32 of micrometer head, make positioning round table 2 touching nozzle operation faces 6, now the numerical value on micrometer head is designated as zero point, then the knob 32 that counter-rotates micrometer head makes positioning round table 2 away from nozzle operation face 6, until positioning round table 2 equals the catheter extension elongation of setting apart from the distance of nozzle 4;
(4) with reference to figure 3, catheter on crucible 7 is screw in the nozzle 4 of atomizer, and the end that makes catheter 7 touches positioning round table 2, now catheter 7 stops precession, catheter 7 is fastening with the nozzle 4 of atomizer, complete the accurate installation of catheter on crucible 7 and atomizer nozzle 4, can carry out normal atomization operation.
The concrete steps of catheter 7 precession atomizer nozzles 4 are:
First catheter is spread to high-temperature seal adhesive with the threaded portion that atomizer nozzle 4 is threaded, when catheter screw into atomizer nozzle 4 interior assigned address, stop the motion of catheter, wait for quietly after elevated-temperature seal adhesive curing, fit sealing between the nozzle 4 of catheter and atomizer, the location and installation of crucible and atomizer completes.
By following two kinds of methods, catheter is installed on crucible:
The first, in the bottom of crucible, offer screw thread, offer screw thread on catheter, directly catheter is threaded with crucible fixing, the high-temperature crucible ceramic material that the applicable crucible material of this mode is easy machining, as graphite, hexagonal boron nitride material; Or,
The second, in the bottom of crucible, offer stepped hole, refractory ceramics machining internal thread lining by easy machining, internal thread lining is fixed by adhesive glue and stepped hole sealing, on catheter, offer screw thread, catheter and internal thread bush threads are connected and fixed, the applicable crucible material of this mode is the loose refractory ceramic material that is difficult to machining, as magnesia.
What the present embodiment was used is that graphite crucible is joined catheter, is undertaken as stated above by the mode in direct tapping hole, graphite crucible bottom.The atomizer using, best catheter extension elongation is measured as 5.33mm, the M4 mounting nuts at top work surface welding diagonal angle, spacing 54mm, can be in order to fixed installation instrument.The positioning round table of orientation tool is modulated the locking from atomizer working face 5.33mm place after zero, is inserted in crucible-catheter, and now catheter screw thread place has scribbled high-temperature seal adhesive, and rotation catheter is until touching positioning round table.Now, high-temp glue has and overflows from the gap of screw thread surrounding, illustrates that sealing completely, scrapes off the part that overflow on surface gently, uses high temperature heat source baking until solidify.
According to said method carry out repeatedly after the test of alfer atomization process, the success rate of atomization process obviously improves, to same atomization plant, from original 82.3%, be promoted to 97.2%, the success rate of gaging somebody in the middle of existing procucts but if comprise is promoted to 100% from 90.3%, and the powder average grain diameter statistic bias at every turn obtaining, from original 12.30 μ m, drops to 1.95 μ m.Success rate and stability that this orientation tool has significantly improved technique have been embodied.
Embodiment 2
What the present embodiment was used is that Magnesia crucible is joined catheter, stepped hole is offered in bottom at crucible, refractory ceramics machining internal thread lining by easy machining, internal thread lining is fixed by adhesive glue and stepped hole sealing, on catheter, offer screw thread, catheter and internal thread bush threads are connected and fixed.The atomizer using, best catheter extension elongation is measured as 2.08mm, in atomizer process at the screwed hole of radially having attacked 2 m4 at a distance of 66mm place, can be in order to fixed installation instrument.The positioning round table of orientation tool is modulated the locking from atomizer working face 2.08mm place after zero, is inserted in crucible-catheter, and now catheter screw thread place has scribbled high-temperature seal adhesive, and rotation catheter is until touching positioning round table.Now, high-temp glue has and overflows from the gap of screw thread surrounding, illustrates that sealing completely, scrapes off the part that overflow on surface gently, uses high temperature heat source baking until solidify.
According to said method carry out repeatedly after almag atomization process test, the success rate of atomization process obviously improves, and to same atomization plant, is promoted to 99.3% from original 90.3%, and does not occur the phenomenon of gaging somebody.And the powder average grain diameter statistic bias at every turn obtaining, from original 6.35 μ m, drops to 0.98 μ m.Success rate and stability that this orientation tool has significantly improved technique have again been embodied.
The above-mentioned description to embodiment is can understand and use invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, those skilled in the art are according to announcement of the present invention, and not departing from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.

Claims (10)

1. a catheter is accurately installed orientation tool, while being used for the catheter on crucible to be accurately installed to atomizer nozzle working face, fitting depth to catheter positions, it is characterized in that, described orientation tool comprises master carrier, micrometering head and positioning round table, described master carrier is by base plate and two half frame-shaped constructions that side plate forms, the outer wall of described micrometering head is connected with base thread, and the micrometric screw of micrometering head is positioned at half frame, the knob of micrometer head and scale are positioned at the base plate downside of master carrier, described positioning round table is located in half frame of master carrier, and be connected with micrometric screw, the knob of rotation micrometering head drives positioning round table to move forward and backward, the outside of described side plate offers for master carrier being fixed on to the draw-in groove on nozzle operation face.
2. a kind of catheter according to claim 1 is accurately installed orientation tool, it is characterized in that, the upper end face of the bottom surface of described base plate and two side plates is horizontal plane.
3. a kind of catheter according to claim 1 is accurately installed orientation tool, it is characterized in that, the upper end face of two side plates of described master carrier is in same plane.
4. a kind of catheter according to claim 1 is accurately installed orientation tool, it is characterized in that, the outside of described side plate offers the upper and lower penetrating draw-in groove of strip.
5. a kind of catheter according to claim 1 is accurately installed orientation tool, it is characterized in that, the upper surface of described positioning round table is horizontal plane, and the upper surface of positioning round table and the bottom surface of base plate parallel.
6. catheter as claimed in claim 1 is accurately installed an application for orientation tool, it is characterized in that, described orientation tool is for being accurately installed to atomizer nozzle working face by the catheter on crucible, and concrete grammar is as follows:
(1) first two master carrier fixed bars are installed on the nozzle operation face of atomizer, these two master carrier fixed bars are positioned at the both sides of nozzle, and with nozzle on same straight line;
(2) master carrier of orientation tool is arranged on the nozzle operation face of atomizer, wherein the draw-in groove of master carrier side plate is held on master carrier fixed bar, and positioning round table is over against the nozzle of atomizer;
(3) by micrometer head, adjust positioning round table and apart from the distance of nozzle, equal the catheter extension elongation of setting;
(4) catheter on crucible is screw in the nozzle of atomizer, and make the end of catheter touch positioning round table, now catheter stops precession, and the nozzle of catheter and atomizer is fastening, completes catheter on crucible and the accurate installation of atomizer nozzle.
7. the application that a kind of catheter according to claim 6 is accurately installed orientation tool, it is characterized in that, two described master carrier fixed bars are symmetrical arranged with respect to the nozzle of atomizer, and the distance between two master carrier fixed bars makes the draw-in groove on master carrier to hold fixing with two master carrier fixed bars;
Described master carrier fixed bar is screw rod or the screw being welded on nozzle operation face.
8. the application of orientation tool is accurately installed according to a kind of catheter described in claim 6 or 7, it is characterized in that, step (3) is adjusted by micrometer head positioning round table equals the catheter extension elongation set concrete steps apart from the distance of nozzle and is:
First the knob by rotation micrometer head makes positioning round table touching nozzle operation face, now the numerical value on micrometer head is designated as zero point, then the knob that counter-rotates micrometer head makes positioning round table away from nozzle operation face, until positioning round table equals the catheter extension elongation of setting apart from the distance of nozzle.
9. the application that a kind of catheter according to claim 6 is accurately installed orientation tool, is characterized in that, the concrete steps of catheter precession atomizer nozzle are:
First threaded portion catheter being threaded with atomizer nozzle is spread high-temperature seal adhesive, in catheter screw into atomizer nozzle during assigned address, stop the motion of catheter, wait for quietly after elevated-temperature seal adhesive curing, fit sealing between catheter and the nozzle of atomizer, the location and installation of crucible and atomizer completes.
10. the application that a kind of catheter according to claim 6 is accurately installed orientation tool, is characterized in that, makes by the following method catheter be installed on crucible:
Screw thread is offered in bottom at crucible, offers screw thread on catheter, directly catheter is threaded fixing with crucible; Or,
Stepped hole is offered in bottom at crucible, with the refractory ceramics machining internal thread lining of easy machining, internal thread lining is fixed by adhesive glue and stepped hole sealing, offers screw thread on catheter, and catheter and internal thread bush threads are connected and fixed.
CN201410180939.0A 2014-04-25 2014-04-25 A kind of catheter accurately installs location instrument and application thereof Expired - Fee Related CN103962565B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105618772A (en) * 2016-02-01 2016-06-01 北京理工大学 Supersonic atomizing nozzle with adjustable structure parameters

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2511453A1 (en) * 1975-03-15 1976-09-23 Theo Kenk Roughness determin of yarns - using micrometrically adjustable piezo-electrical element to set up resonance
CN202197373U (en) * 2011-08-25 2012-04-18 安徽大学 Portable collecting and reading camera
CN202498209U (en) * 2011-12-30 2012-10-24 上海应用技术学院 Totally-enclosed gas atomization pulverization apparatus
CN103245708A (en) * 2013-04-26 2013-08-14 复旦大学 Magnet-based capillary electrophoresis electrochemical detection electrode locating device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2511453A1 (en) * 1975-03-15 1976-09-23 Theo Kenk Roughness determin of yarns - using micrometrically adjustable piezo-electrical element to set up resonance
CN202197373U (en) * 2011-08-25 2012-04-18 安徽大学 Portable collecting and reading camera
CN202498209U (en) * 2011-12-30 2012-10-24 上海应用技术学院 Totally-enclosed gas atomization pulverization apparatus
CN103245708A (en) * 2013-04-26 2013-08-14 复旦大学 Magnet-based capillary electrophoresis electrochemical detection electrode locating device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105618772A (en) * 2016-02-01 2016-06-01 北京理工大学 Supersonic atomizing nozzle with adjustable structure parameters
CN105618772B (en) * 2016-02-01 2018-02-13 北京理工大学 A kind of adjustable ultrasonic nebulization jet nozzle of structural parameters

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