CN103962565B - A kind of catheter accurately installs location instrument and application thereof - Google Patents
A kind of catheter accurately installs location instrument and application thereof Download PDFInfo
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- CN103962565B CN103962565B CN201410180939.0A CN201410180939A CN103962565B CN 103962565 B CN103962565 B CN 103962565B CN 201410180939 A CN201410180939 A CN 201410180939A CN 103962565 B CN103962565 B CN 103962565B
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- catheter
- nozzle
- round table
- master carrier
- positioning round
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Abstract
The present invention relates to a kind of catheter and location instrument and application thereof are accurately installed, location instrument includes master carrier, micrometering head and positioning round table, master carrier is half frame-shaped construction being made up of base plate and two side plates, the outer wall of 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 baseplate underside of master carrier, and positioning round table is located in half frame of master carrier, and be connected with micrometric screw, the knob rotating micrometering head drives positioning round table to move forward and backward;The outside of side plate offers for master carrier is fixed on the draw-in groove on nozzle operation face;The fitting depth of catheter, when the catheter on crucible is accurately installed to atomizer nozzle work surface, is positioned by location instrument.Compared with prior art, present configuration is simple, easy to use, and setting accuracy is high, solves the problem that the atomization process that cause because catheter length accurately can not put in place is undesirable by cooperation requirement.
Description
Technical field
The present invention relates to catheter installation auxiliary device in gas atomization, especially relate to a kind of catheter accurate
Location instrument and application thereof are installed, belong to gas atomization field.
Background technology
Nowadays, the deposition of aerosolization or flouring technology are along with higher intensity shape, widely used powder metallurgy
The demand of the product technologies such as technology and 3D printing day by day ripe and in fashion, has become as indispensable advanced person
Technique for producing raw material.But, along with improving constantly of product requirement, the manufacturer of gas atomization needs to provide more
Deposit preform raw produce that fine and close, tissue more optimizes or more tiny, the more preferable powder of size uniformity, circularity is former
Material product, this just requires in atomization process, needs more to be accurately controlled each technique related link.
Wherein, restricted atomization process, particularly the appearance of some novel restricted ultrasonic nebulization jet nozzles, compares
Non-limiting atomization process can obtain finer and close, the deposit preform that more optimizes of tissue or more tiny, size uniformity, circle
The more preferable powder of shape degree.But, in restricted atomization process, catheter stretches out the length of nebulizer to atomization effect
The quality of fruit is the most sensitive, and the preferably the narrowest (change in the range of only 0.1mm of extension elongation scope
Less), thus, there is small deviation to may result in atomization process environment and product not installing in position fixing process
Preferable.Therefore, in order to improve atomization process, except the extension elongation of needs assessment catheter draws most preferably
Value, there is a perceived need to supporting installation location technology and ensures to put in place to optimal extension elongation, but the most so far
The patented technology accurately do not installed about catheter.Simultaneously as high-temperature fusant to be contacted, catheter and crucible,
Tundish often uses ceramic material, and these material machining accuracies are poor, and is used as crucible and tundish
Refractory is difficult to carry out secondary operations, it is therefore more difficult to realize guaranteeing that catheter is stretched by being precisely controlled of size
Go out length and reach optimum.Even this part is sized to be precisely controlled, the support crucible on stove or centre
The gripper shoe of bag is after long-time applied at elevated temperature, and unavoidable and refractory material and environment reaction, or loss, this will
Positioning datum during using next time is caused to change.
To sum up, a kind of technology is needed to solve the problems referred to above, it is achieved catheter ensures to stretch out the essence of nebulizer optimum length
Really installation method.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and provide a kind of simple in construction,
The catheter that easy to use, setting accuracy is high accurately installs location instrument and application thereof.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of catheter accurately installs location instrument, for the catheter on crucible is accurately installed to atomizer nozzle
During work surface, the fitting depth of catheter is positioned, described location instrument include master carrier, micrometering head and
Positioning round table, described master carrier is half frame-shaped construction being made up of base plate and two side plates, described micrometering head
Outer wall is connected with base thread, and the micrometric screw of micrometering head is positioned at half frame, and the knob of micrometer head is positioned at scale
The baseplate underside of master carrier, described positioning round table is located in half frame of master carrier, and is connected with micrometric screw, rotation
The knob turning micrometering head drives positioning round table to move forward and backward;The outside of described side plate offers for master carrier is solid
It is scheduled on the draw-in groove on nozzle operation face.
The bottom surface of described base plate is horizontal plane with the upper end face of two side plates.
At the upper end face of two side plates of described master carrier in the same plane.
The outside of described side plate offers the draw-in groove that strip is the most penetrating.
The upper surface of described positioning round table is horizontal plane, and the upper surface of positioning round table is parallel with the bottom surface of base plate.
A kind of catheter accurately installs the application of location instrument, and described location instrument is for by the catheter on crucible
Accurately being installed on atomizer nozzle work surface, concrete grammar is as follows:
(1) first installing two master carriers on the nozzle operation face of nebulizer and fix bar, the two master carrier is solid
Fixed pole is positioned at the both sides of nozzle, and is on same straight line with nozzle;
Two described master carriers are fixed bar and are symmetrical arranged relative to the nozzle of nebulizer, and two master carriers fix bar
Between distance make the draw-in groove on master carrier can fix bar clamping with two master carriers to fix;Described master carrier
Fixing bar is to be welded on the screw rod on nozzle operation face or screw.
(2) master carrier of location instrument is arranged on the nozzle operation face of nebulizer, wherein master carrier side plate
Draw-in groove is held in master carrier and fixes on bar, and positioning round table just nozzle to nebulizer;
(3) knob first passing through rotation micrometer head makes positioning round table touch nozzle operation face, now on micrometer head
Numerical value be designated as zero point, then reversely rotate the knob of micrometer head make positioning round table away from nozzle operation face, until fixed
The distance of circle of position platform distance nozzle is equal to the catheter extension elongation set;
(4) catheter on crucible is screw in the nozzle of nebulizer, and it is fixed to make the end of catheter touch
Circle of position platform, now catheter stops precession, catheter and the nozzle fastening of nebulizer, completes the catheter on crucible
With the accurate installation of atomizer nozzle, operation can be atomized normally.
Concretely comprising the following steps of catheter precession atomizer nozzle:
First the threaded portion that catheter is threadeded with atomizer nozzle is spread high-temperature seal adhesive, when catheter revolves
When specifying position in entering atomizer nozzle, stop the motion of catheter, after waiting for elevated-temperature seal adhesive curing quietly, drain
Fit sealing between pipe and the nozzle of nebulizer, crucible completes with the location and installation of nebulizer.
Catheter is made to be installed on crucible by following two method:
The first, offer screw thread in the bottom of crucible, catheter is offered screw thread, directly by catheter and crucible
Threaded fixing, that this mode the is suitable for high-temperature crucible ceramic material that crucible material is Cutting free processing, as
Graphite, hexagonal boron nitride material;Or,
The second, offer stepped hole in the bottom of crucible, with the refractory ceramics machining internal thread lining of Cutting free processing
Set, seals consolidation by adhesive glue with stepped hole by female thread lining, offers screw thread, by catheter on catheter
Be connected fixing with female thread bush threads, the crucible material that this mode is suitable for is be difficult to machining loose fire-resistant
Ceramic material, such 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 location instrument and is used the micrometer head structure with positioning round table accurately
Location catheter stretches out the length of atomizer nozzle, owing to the precision of micrometer head can reach 0.01 μm, therefore this
Bright location instrument can be accurately positioned the installation site of catheter.
(2) using the location instrument of the present invention to carry out catheter when accurately installing, processing ease, catheter is installed
Registration, it is possible to reach the installation requirement of 0.01 μm level.
(3) nebulizer after catheter installed by the location instrument using the present invention, solves because of catheter length not
Can be by coordinating the problem that requirement accurately put in place and the atomization process that cause is undesirable, atomization process success rate and stability
High.
Accompanying drawing explanation
Fig. 1 is the structural representation of location instrument;
Fig. 2 is the structural representation in the nozzle operation face of nebulizer;
Fig. 3 is the structural representation using location instrument to carry out when catheter is installed.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
A kind of catheter accurately installs location instrument, as it is shown in figure 1, for the catheter on crucible is accurately installed
During to atomizer nozzle work surface, the fitting depth of catheter is positioned, location instrument include master carrier 1,
Micrometering 3 and positioning round table 2, master carrier 1 is half frame-shaped construction being made up of base plate and two side plates, micrometering head
The outer wall of 3 is connected with base thread, and the micrometric screw of micrometering 3 is positioned at half frame, the knob 32 of micrometer head
With the baseplate underside that scale 31 is positioned at master carrier 1, positioning round table 2 is located in half frame of master carrier 1, and with survey
Micro-screw rod connects, and the knob 32 rotating micrometering 3 drives positioning round table 2 to move forward and backward;The outside of side plate is offered
There is the draw-in groove 11 that the strip for being fixed on nozzle operation face by master carrier 1 is the most penetrating.Wherein, base plate
The upper end face of bottom surface and two side plates be horizontal plane.The upper end face of two side plates of master carrier 1 is in same flat
In face.The upper surface of positioning round table 2 is horizontal plane, and the upper surface of positioning round table 2 is parallel with the bottom surface of base plate.
Above-mentioned catheter accurately installs location instrument for the catheter on crucible is accurately installed to atomizer nozzle
On work surface, concrete grammar is as follows:
(1) first two master carriers are installed on the nozzle operation face 6 of nebulizer and fix bar 5, as in figure 2 it is shown,
The two master carrier is fixed bar 5 and is positioned at the both sides of nozzle 4, and is on same straight line with nozzle 4;
Two master carriers are fixed bar 5 and are symmetrical arranged relative to the nozzle 4 of nebulizer, and two master carriers fix bar 5
Between distance make the draw-in groove 11 on master carrier 1 can fix bar 5 clamping with two master carriers to fix;Main torr
Bar 5 fixed by frame is to be welded on the screw rod on nozzle operation face 6 or screw.
(2) as it is shown on figure 3, the master carrier 1 of location instrument is arranged on the nozzle operation face 6 of nebulizer,
Wherein the draw-in groove 11 of master carrier 1 side plate is held in master carrier and fixes on bar 5, and positioning round table 2 is just to nebulizer
Nozzle 4;
(3) knob 32 first passing through rotation micrometer head makes positioning round table 2 touch nozzle operation face 6, now surveys
Numerical value on micro-head is designated as zero point, and the knob 32 then reversely rotating micrometer head makes positioning round table 2 away from nozzle work
Make face 6, until positioning round table 2 apart from nozzle 4 distance equal to set catheter extension elongation;
(4) with reference to Fig. 3, the catheter 7 on crucible is screw in the nozzle 4 of nebulizer, and makes catheter 7
End touch positioning round table 2, now catheter 7 stops precession, and catheter 7 is tight with the nozzle 4 of nebulizer
Gu, complete the accurate installation of the catheter 7 on crucible and atomizer nozzle 4, operation can be atomized normally.
Concretely comprising the following steps of catheter 7 precession atomizer nozzle 4:
First the threaded portion that catheter is threadeded with atomizer nozzle 4 is spread high-temperature seal adhesive, work as catheter
When specifying position in screwing into atomizer nozzle 4, stop the motion of catheter, after waiting for elevated-temperature seal adhesive curing quietly,
Fit sealing between the nozzle 4 of catheter and nebulizer, crucible completes with the location and installation of nebulizer.
Catheter is made to be installed on crucible by following two method:
The first, offer screw thread in the bottom of crucible, catheter is offered screw thread, directly by catheter and crucible
Threaded fixing, that this mode the is suitable for high-temperature crucible ceramic material that crucible material is Cutting free processing, as
Graphite, hexagonal boron nitride material;Or,
The second, offer stepped hole in the bottom of crucible, with the refractory ceramics machining internal thread lining of Cutting free processing
Set, seals consolidation by adhesive glue with stepped hole by female thread lining, offers screw thread, by catheter on catheter
Be connected fixing with female thread bush threads, the crucible material that this mode is suitable for is be difficult to machining loose fire-resistant
Ceramic material, such as magnesia.
The present embodiment uses graphite crucible to join catheter, directly attacks spiral shell by bottom graphite crucible as stated above
The mode of pit is carried out.The nebulizer used, optimal catheter extension elongation is measured as 5.33mm, top work surface
The M4 installation nut at welding diagonal angle, spacing 54mm, can be in order to fixedly mount instrument.The location of location instrument
Round platform modulates locking away from nebulizer working face 5.33mm after zero, is inserted in crucible-catheter, now drain
Having been coated with high-temperature seal adhesive at pipe screw thread, rotating catheter until touching positioning round table.Now, high-temp glue is from screw thread
The gap of surrounding there is spilling, illustrates to seal completely, scrape off the part that surface is overflowed gently, use high temperature heat source
Baking is until solidifying.
After according to said method carrying out repeatedly the test of alfer atomization process, the success rate of atomization process significantly improves, right
Same atomization plant, is promoted to 97.2% from original 82.3%, if including the existing procucts middle success gaged somebody
Rate is promoted to 100% from 90.3%, and the powder average particle size statistic bias every time obtained is from original 12.30 μm,
Drop to 1.95 μm.Embody this location instrument and significantly improve success rate and the stability of technique.
Embodiment 2
The present embodiment uses Magnesia crucible to join catheter, offers stepped hole in the bottom of crucible, adds with Cutting free
The refractory ceramics machining internal thread lining of work, seals consolidation by adhesive glue with stepped hole by female thread lining,
Offer screw thread on catheter, catheter is connected with female thread bush threads fixing.The nebulizer used, most preferably leads
Liquid pipe extension elongation is measured as 2.08mm, radially apart from having attacked 2 at 66mm in the nebulizer course of processing
The screwed hole of individual m4, can be in order to fixedly mount instrument.The positioning round table of location instrument is modulated from atomization after zero
Lock at device working face 2.08mm, be inserted in crucible-catheter, now have been coated with high temperature at catheter screw thread close
Sealing, rotates catheter until touching positioning round table.Now, high-temp glue has spilling from the gap of screw thread surrounding,
Illustrating that sealing completely, scrapes off the part that surface is overflowed gently, using high temperature heat source baking until solidifying.
After according to said method carrying out repeatedly the test of almag atomization process, the success rate of atomization process significantly improves,
To same atomization plant, it is promoted to 99.3% from original 90.3%, and phenomenon of gaging somebody did not occurred.And each
The powder average particle size statistic bias arrived, from original 6.35 μm, drops to 0.98 μm.Again embody this fixed
Position instrument significantly improves success rate and the stability of technique.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and use to send out
Bright.These embodiments obviously easily can be made various amendment by person skilled in the art, and at this
The General Principle illustrated is applied in other embodiments without through performing creative labour.Therefore, the present invention does not limits
In above-described embodiment, those skilled in the art are according to the announcement of the present invention, without departing from changing that scope is made
Entering and revise all should be within protection scope of the present invention.
Claims (7)
1. catheter accurately installs an application for location instrument, and described location instrument is for by leading on crucible
When liquid pipe is accurately installed to atomizer nozzle work surface, the fitting depth of catheter is positioned, it is characterised in that
Described location instrument includes master carrier, micrometering head and positioning round table, and described master carrier is by base plate and two sides
Half frame-shaped construction of plate composition, the outer wall of described micrometering head is connected with base thread, and the micrometric screw of micrometering head
Being positioned at half frame, the knob of micrometering head and scale are positioned at the baseplate underside of master carrier, and described positioning round table is located at master
In half frame of bracket, and being connected with micrometric screw, the knob rotating micrometering head drives positioning round table to move up and down;Institute
The outside of the side plate stated offers the draw-in groove that strip is the most penetrating, and the upper surface of described positioning round table is level
Face, and the upper surface of positioning round table is parallel with the bottom surface of base plate;
Described location instrument is for being accurately installed to atomizer nozzle work surface by the catheter on crucible, specifically
Method is as follows:
(1) first installing two master carriers on atomizer nozzle work surface and fix bar, the two master carrier is fixed
Bar is positioned at the both sides of nozzle, and is on same straight line with nozzle;
(2) master carrier of location instrument is arranged on the nozzle operation face of nebulizer, wherein master carrier side plate
Draw-in groove is held in master carrier and fixes on bar, and positioning round table just nozzle to nebulizer;
(3) distance catheter extension elongation equal to setting of positioning round table distance nozzle is made by adjusting micrometering head;
(4) catheter on crucible is screw in the nozzle of nebulizer, and it is fixed to make the end of catheter touch
Circle of position platform, now catheter stops precession, catheter and the nozzle fastening of nebulizer, completes the catheter on crucible
Accurate installation with atomizer nozzle.
A kind of catheter the most according to claim 1 accurately installs the application of location instrument, it is characterised in that
The bottom surface of described base plate is horizontal plane with the upper end face of two side plates.
A kind of catheter the most according to claim 1 accurately installs the application of location instrument, it is characterised in that
At the upper end face of two side plates of described master carrier in the same plane.
A kind of catheter the most according to claim 1 accurately installs the application of location instrument, it is characterised in that
Two described master carriers are fixed bar and are symmetrical arranged relative to the nozzle of nebulizer, and two master carriers are fixed between bar
Distance make the draw-in groove on master carrier can fix bar clamping with two master carriers to fix;
It is to be welded on the screw rod on nozzle operation face or screw that described master carrier fixes bar.
5. the application of location instrument, its feature are accurately installed according to a kind of catheter described in claim 1 or 4
Being, step (3) makes the distance of positioning round table distance nozzle stretch equal to the catheter set by adjusting micrometering head
Go out concretely comprising the following steps of length:
The knob first passing through rotation micrometering head makes positioning round table touch nozzle operation face, the now numerical value on micrometering head
Be designated as zero point, then reversely rotate the knob of micrometering head make positioning round table away from nozzle operation face, until positioning round table
The distance of distance nozzle is equal to the catheter extension elongation set.
A kind of catheter the most according to claim 1 accurately installs the application of location instrument, it is characterised in that
Concretely comprising the following steps of catheter precession atomizer nozzle:
First the threaded portion that catheter is threadeded with atomizer nozzle is spread high-temperature seal adhesive, when catheter revolves
When specifying position in entering atomizer nozzle, stop the motion of catheter, after waiting for elevated-temperature seal adhesive curing quietly, drain
Fit sealing between pipe and the nozzle of nebulizer, crucible completes with the location and installation of nebulizer.
A kind of catheter the most according to claim 1 accurately installs the application of location instrument, it is characterised in that
Catheter is made to be installed on crucible by the following method:
Offer screw thread in the bottom of crucible, catheter is offered screw thread, directly catheter is threadeded with crucible
Fixing;Or,
Stepped hole is offered, with the refractory ceramics machining internal thread lining of Cutting free processing, by interior in the bottom of crucible
Screw-thread bush seals consolidation by adhesive glue with stepped hole, offers screw thread, by catheter and female thread on catheter
Bush threads connects fixing.
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CN201410180939.0A CN103962565B (en) | 2014-04-25 | 2014-04-25 | A kind of catheter accurately installs location instrument and application thereof |
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CN201410180939.0A CN103962565B (en) | 2014-04-25 | 2014-04-25 | A kind of catheter accurately installs location instrument and application thereof |
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CN103962565A CN103962565A (en) | 2014-08-06 |
CN103962565B true CN103962565B (en) | 2016-08-24 |
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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 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
-
2014
- 2014-04-25 CN CN201410180939.0A patent/CN103962565B/en not_active Expired - Fee Related
Patent Citations (4)
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 |
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