CN107662349A - Magnetic double level gauge and its processing method for connecting tubule liner - Google Patents
Magnetic double level gauge and its processing method for connecting tubule liner Download PDFInfo
- Publication number
- CN107662349A CN107662349A CN201710919511.7A CN201710919511A CN107662349A CN 107662349 A CN107662349 A CN 107662349A CN 201710919511 A CN201710919511 A CN 201710919511A CN 107662349 A CN107662349 A CN 107662349A
- Authority
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- China
- Prior art keywords
- ring bodies
- cylinder
- processing method
- liner
- tubule
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
- B29C65/12—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined and welding bar
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0222—Mechanical pre-treatments, e.g. reshaping without removal of material, e.g. cleaning by air blowing or using brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/03—After-treatments in the joint area
- B29C66/032—Mechanical after-treatments
- B29C66/0326—Cutting, e.g. by using waterjets, or perforating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/03—After-treatments in the joint area
- B29C66/034—Thermal after-treatments
- B29C66/0342—Cooling, e.g. transporting through welding and cooling zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
- G01F23/72—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
Abstract
A kind of magnetic double level gauge of disclosure and its processing method for connecting tubule liner, wherein the first ring bodies separates with cylinder, can be separately manufactured as prefabricated component, then be welded to one again after connection tubule is installed to.First ring bodies and cylinder are separately manufactured, therefore can beyond the compression molding by the way of be made, such as injection or turnery processing, also be not in the problems such as producing bubble, fracture and shrink, so as to improve etch-proof effect even if using perfluoroethylene-propylene (other materials can also be used).
Description
Technical field
The application is related to the liner processing method of a kind of magnetic double level gauge, especially magnetic double level gauge.
Background technology
Magnetic double level gauge can be used for the medium level sensing of the equipment such as various towers, tank, groove.In general, magnetic turnover panel liquid level
The mounting means of meter has a variety of, and side-mounted is a kind of common mode.Generally, side-mounted magnetic double level gauge include floating drum and
Tubule is connected, the floating drum connects by connecting tubule with tested container, is provided with magnetic float in floating drum, and the magnetic float is direct in itself
Float on liquid level, the floating drum is externally provided with magnetic turning plate indicator, the magnetic turning plate indicator and the magnetic float magnetic couplings.Pass through coupling
Effect, when being tested liquid level lifting in container, the magnetic float in floating drum also lifts therewith, and the permanent-magnet steel in float passes through magnetic
Magnetic flaps outside coupling driving floating drum overturns 180 °.It (is usually red and white that flaps two sides, which is coated respectively with different colours,
Color), to indicate the position of liquid level, usually, when liquid level rises in container, flaps is changed into red by white, when in container
When liquid level declines, flaps is changed into white by red, and the red white intersection of indicator is the actual height of liquid level in container.
When fluid to be measured is corrosive liquids, it usually needs using lining-design, to prevent fluid to be measured from corroding floating drum
And connection tubule, so as to cause work safety accident.In existing magnetic turnover panel inner lining process structure, the liner for connecting tubule is usual
It is to include cylinder, the first ring bodies and the second ring bodies, the cylinder is arranged in the passage of connection tubule, the first ring bodies
The both ends of connection tubule are separately positioned on the second ring bodies.For the peace realized liner be connected this special construction of tubule
Dress, typically using compression molding method by liner one manufacture connection tubule on.Meanwhile in order to improve anticorrosion
Property, the liner is typically made of perfluoroethylene-propylene molding.But this perfluoroethylene-propylene liner have in compression molding with
Lower shortcoming：
First, perfluoroethylene-propylene easily produces bubble and fracture in molding, and in this case, corrosive liquids will
Infiltrate, do not reach the effect of liner sealing, so that sealed liner effect is ineffective, cause whole magnetic turnover panel liquid level
Meter can not work, and influence production operation.
2nd, due to the material property of perfluoroethylene-propylene, contraction can be produced after molding so that in liner with being connected tubule
Can not tight seal, the problem of equally causing corrosive liquids to permeate so that whole liner sealing effectiveness is ineffective, so as to
Cause magnetic double level gauge cisco unity malfunction, made troubles to production.
The content of the invention
The application provides a kind of processing method of new connection tubule liner and used manufactured by the processing method
Liner magnetic double level gauge.
According to the one side of the application, a kind of embodiment, which provides, connects adding for tubule liner in a kind of magnetic double level gauge
Work method, the liner, which includes being arranged on, connects intratubular cylinder and the first ring bodies positioned at cylinder both ends and the
Two ring bodies, first ring bodies are used to connect with container sealing, and second ring bodies is used to connect with floating drum sealing, institute
Stating processing method includes：
Preparation process：The first ring bodies, the second ring bodies and cylinder are provided, second ring bodies is fixed with cylinder
Connection, first ring bodies separate with cylinder；
Installation steps：The cylinder is encased in connection tubule；
Fixing step：First ring bodies and cylinder is integrally welded.
As the further alternative of the processing method, first ring bodies, cylinder and the second ring bodies are adopted
It is made of perfluoroethylene-propylene.
As the further alternative of the processing method, first ring bodies is made of Shooting Technique, described
Cylinder and the second ring bodies are formed integrally structure by Shooting Technique.
As the further alternative of the processing method, in the fixing step, to first ring bodies and
Before cylinder is welded, oil processing at least first is carried out with alcohol to the welding region of first ring bodies and cylinder.
As the further alternative of the processing method, in the fixing step, to first ring bodies and
During cylinder is welded, the non-solder region of the first ring bodies and cylinder is compacted.
As the further alternative of the processing method, the compacting is included to first ring bodies and cylinder
Upper welding region side end face is compacted.
As the further alternative of the processing method, the outer peripheral face of the cylinder has first chamfering of circle
Face, first ring bodies have the inner peripheral surface coordinated with cylinder outer peripheral face, and the inner peripheral surface has second fillet surface of circle,
First fillet surface and the second fillet surface surround welding groove.
As the further alternative of the processing method, in the fixing step, to first ring bodies and
Before cylinder is welded, first at least the welding region of first ring bodies and cylinder is cleaned with liquid detergent；Clearly
The first ring bodies and cylinder after washing are deoiled with alcohol again after drying.
As the further alternative of the processing method, in the fixing step, to first ring bodies and
During cylinder is welded, welding rod used is Meltability polytetrafluorethyletubular welding rod.
According to the one side of the application, a kind of embodiment provides a kind of magnetic double level gauge, and it includes floating drum and connection
Tubule, in addition to it is arranged on connection according to liner made of any one processing method, the cylinder of the liner as described above
In the passage of tubule, first ring bodies is positioned at one end that connection tubule is used to be connected with container, the second ring-type position
In one end that connection tubule is used to be connected with floating drum.
The beneficial effect of the application is：
The processing method for the connection tubule liner that the application provides, wherein the first ring bodies separates with cylinder, can be independent
Prefabricated component is manufactured into, is then welded to one again after connection tubule is installed to.First ring bodies and cylinder are the systems that separates
Make, thus can beyond the compression molding by the way of be made, such as injection or turnery processing, therefore even if using poly- perfluor
Second propylene (can also use other materials) is also not in the problems such as producing bubble, fracture and shrink, so as to improve anti-corrosion
The effect of erosion.
Brief description of the drawings
Fig. 1 is the sectional view at the connection tubule and floating drum of magnetic double level gauge in a kind of embodiment of the application；
Fig. 2 is the structural representation of cylinder, the first ring bodies and the second ring bodies in a kind of embodiment of the application；
Fig. 3 is cooperation schematic diagram of the structure shown in Fig. 2 with being connected tubule；
Fig. 4 is the schematic diagram after Standard shown in Fig. 3 (before welding).
Embodiment
The present invention is described in further detail below by embodiment combination accompanying drawing.The application can be with a variety of
Different forms is realized, however it is not limited to embodiment described by the present embodiment.The purpose of detailed description below is provided
It is easy for becoming apparent from present disclosure thorough explanation, the words of the wherein indicating position such as upper and lower, left and right is only pin
To shown structure in respective figure for position.
However, those skilled in the art may be aware that one or more detail description can be by
Omit, or other methods, component or material can also be used.In some instances, some embodiments are not described
Or it is not described later in detail.
In addition, technical characteristic described herein, technical scheme can also be closed arbitrarily in one or more embodiments
Suitable mode combines.For those skilled in the art, should be readily appreciated that with provided herein is embodiment relevant method
Step or operation order can also change.Therefore, any order in drawings and examples is merely illustrative purposes, not secretly
Show requirement in a certain order, require unless expressly stated according to a certain order.
It is herein part institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any order or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
Embodiment one：
The application provides a kind of processing method for being used in magnetic double level gauge connect the liner of tubule.It is especially side-mounted
A kind of processing method of liner of magnetic double level gauge.The liner is used to protect connection tubule, avoids fluid to be measured, especially rotten
Corrosion liquid causes to corrode to connection tubule.
Fig. 1 is refer to, the magnetic double level gauge includes being used to set the floating drum 100 of magnetic float and for connecting tested appearance
The connection tubule 200 of device.The connection tubule 200 is connected with floating drum 100, and floating drum 100 is connected by connecting tubule 200 with tested container
Logical, the fluid to be measured in tested container can enter floating drum 100 through connecting tubule 200.
Floating drum 100 can be used for installing magnetic float, and the magnetic float is directly floated on liquid level in itself, and the floating drum 100 is externally provided with magnetic
Turning plate indicator, the magnetic turning plate indicator and the magnetic float magnetic couplings.By coupling, lifted when being tested liquid level in container
When, the magnetic float in floating drum 100 is also lifted therewith, and the permanent-magnet steel in float is driven outside floating drum 100 by magnetic couplings
Magnetic flaps is overturn, so as to indicate the height of fluid to be measured.
Connection tubule 200 plays conducting effect between floating drum 100 and tested container, and its one end is connected simultaneously with floating drum 100
Ensure that the through hole of connection tubule 200 communicates with the inner chamber of floating drum 100.
Please continue to refer to Fig. 1, floating drum 100 can be with one radially or the connector 120 that opens up of other directions, the company
Connect tubule 200 and fix and seal with connector 120 and connect.
In order to avoid corrosion of the fluid to be measured to floating drum 100 and the connection inwall of tubule 200, set in the inwall of floating drum 100
At least one layer of floating drum liner 300 is equipped with, the inwall of connection tubule 200 is provided with least one layer of liner 400.Floating drum liner 300
Divide and stretched out from connector 120 and form substantially tubular first sealing 310.
It refer to Fig. 1-3, in a kind of embodiment, the liner 400 includes the cylinder 420 being arranged in connection tubule 200
And the first ring bodies 410 and the second ring bodies 430 positioned at the both ends of cylinder 420, first ring bodies 410 is used for and container
Sealing connection, second ring bodies 430 are used to connect with the sealing of floating drum 100.First ring bodies 410 has through hole 411, and this
One ring bodies 410 can be arranged on the periphery of cylindrical body 420 by the through hole 411.
It is different by compression molding from existing liner, as shown in figure 1, in the present embodiment liner 400 the first ring bodies 410
With cylinder 420 fixation is realized by welding.Wherein, a regions shown in Fig. 1 is a kind of weld part of embodiment.
First ring bodies 410 and cylinder 420 be it is separately manufactured, can beyond the compression molding by the way of system
Into, such as injection or turnery processing, therefore be also not in even if using perfluoroethylene-propylene (other materials can also be used)
The problems such as producing bubble, fracture and shrinking, so as to improve etch-proof effect.
Simultaneously as the particularity of magnetic double level gauge use environment, it usually needs customized.Existing compression molding processing
Mode spends the time long, during in particular by perfluoroethylene-propylene as 400 material of liner, due to the material flowability
Difference, successively molding need to expend a few hours or longer time.In the present embodiment, first ring bodies 410 divides with cylinder 420
From prefabricated component can be separately manufactured as.Therefore can first be made a number of prefabricated component it is standby, it is necessary to when only need to be by liner 400
Connection tubule is installed to, then realizes and fixes quickly through welding, for existing compression molding, its production efficiency carries significantly
It is high.
In fact, when making connection tubule 200 and liner 400, it is difficult to expect using welding that those skilled in the art, which are,
Mode the first ring bodies 410 and cylinder 420 are realized into fixation.Its reason is that the liner 400 after compression molding is one
Body structure, those skilled in the art would generally pay the utmost attention to this integrative-structure in structure design, so that liner 400 has
Sufficiently large intensity.
In addition, when using perfluoroethylene-propylene as liner 400, those skilled in the art are just more difficult to expect using weldering
The mode connect makes liner 400.Because contain fluorine in the material one's share of expenses for a joint undertaking of perfluoroethylene-propylene, because fluorine material adheres to
Power is small so that the material flowability is poor, therefore is difficult to be welded together.Therefore, when making the liner 400 of connection tubule 200,
Those skilled in the art are typically the fixation that the first ring bodies 410 and cylinder 420 will not be realized by the way of welding, this
Even if the problems such as why compression molding can cause the bubble of liner 400, fracture and shrink illustrated from another point of view, in this area
Liner 400 is still made by this way.
Fig. 1-4 are refer to, in one embodiment, the processing method of the liner 400 includes：
Preparation process：First ring bodies 410, the second ring bodies 430 and cylinder 420 be provided, second ring bodies 430 with
Cylinder 420 is fixedly connected, and first ring bodies 410 separates with cylinder 420；
Installation steps：Cylinder 420 is encased in connection tubule 200；
Fixing step：First ring bodies 410 and cylinder 420 is integrally welded.
In preparation process, first ring bodies 410 can be made of Shooting Technique, the ring-type of cylinder 420 and second
Body 430 is formed integrally structure by Shooting Technique.
Certainly, it by other means, such as can also weld, realize solid between the ring bodies 430 of cylinder 420 and second
Fixed connection.
First ring bodies 410, the second ring bodies 430 and cylinder 420 can effectively avoid gas using after injection molding
The generation of bubble, prevented also from Materials Fracture and contraction.
In addition to injection, the first ring bodies 410, the second ring bodies 430 and cylinder 420 also can by other means, example
As turnery processing is made.
Further, in one embodiment, the first ring bodies 410, the ring bodies 430 of cylinder 420 and second are using poly-
Perfluoroethylene-propylene (copolymer) is made, so that liner 400 has preferable anticorrosive property.
In order to improve the adhesion of perfluoroethylene-propylene, and then the welding effect of perfluoroethylene-propylene material is improved, one
After-treatment is carried out to perfluoroethylene-propylene material in kind embodiment.
For example, in fixing step, before being welded to the first ring bodies 410 and cylinder 420, first at least to first
The welding region of ring bodies 410 and cylinder 420 carries out oil processing with alcohol, so as to improve welding effect.
In addition, in fixing step, during being welded to the first ring bodies 410 and cylinder 420, to first
The non-solder region of ring bodies 410 and cylinder 420 is compacted.This compacting can be realized by fixture.
In a kind of embodiment, Fig. 4 is refer to, the compacting is included to welding region on the first ring bodies 410 and cylinder 420
Side end face 412,425 is compacted.
In addition, compacting can also include being compacted the barrel of cylinder 420 (as shown in Fig. 2 423).For example, adopt
It is inserted into a cylinder in cylinder 420, so as to complete to be compacted to barrel.
Further, in order to improve the effect of welding, Fig. 1,2 and 4 are refer to, the outer peripheral face of the cylinder 420 has one
The first fillet surface 424 is enclosed, first ring bodies 410 has the inner peripheral surface coordinated with the outer peripheral face of cylinder 420, and the inner peripheral surface has
One the second fillet surface 413 of circle, the fillet surface 413 of the first fillet surface 424 and second surround welding groove b.In welding process, solder
And first the surfacing melting of fillet surface 424 and the second fillet surface 413 cross and fill up welding groove b, formed firm
Connection.
In one embodiment, when fixing step is welded to the first ring bodies 410 and cylinder 420, welding rod used
For Meltability polytetrafluorethyletubular welding rod, to improve the effect of welding.
In addition, in one embodiment, fixing step is welded to the first ring bodies 410 and cylinder 420
Before, first at least the welding region of the first ring bodies 410 and cylinder 420 is cleaned with liquid detergent, by the first ring bodies 410
With the impurity wash clean on the surface of cylinder 420.After the first ring bodies 410 and cylinder 420 after cleaning dry, then gone with alcohol
Oil.
In order to improve welding effect, in a kind of embodiment, the first ring bodies 410 and the surface temperature of cylinder 420 during welding
Should not be too high, otherwise, perfluoroethylene-propylene can crack, and produce pernicious gas, while welding effect can be greatly reduced, and be caused
Not prison welding is consolidated, and easily produces phenomenon of rupture, causes magnetic double level gauge cisco unity malfunction, is made troubles to production.
Need to continuously it be welded in order to obtain the melt of uniformity, during welding, it is impossible to spot welding or intermittently welding.
In addition, need natural cooling after the completion of welding, during cooling, it is impossible to get wet, otherwise, the welding effect of perfluoroethylene-propylene
It will be greatly reduced.
Further, since the reason for hot air welding, face of weld occurs surface irregularity, the phenomenon that color differs, in order to
So that the sealing effectiveness of cylinder 420 reaches more preferable, it is necessary to turnery processing be carried out to face of weld, by car at surface irregularity
It is flat.
Fig. 1-3 are refer to, in one embodiment, second ring bodies 430 forms taper type.Floating drum 100 is provided with the
A connection piece 110, connection tubule 200 are provided with the second connector 210, and the first connector 110 can be logical with the second connector 210
Cross screw element 500 to lock, the first sealing 310 and the second ring bodies 430 are compressed and to form sealing.First connector 110 and
Two connectors 210 can be adpting flange or the connector of other shapes.
Fig. 1 and 4 are refer to, liner 400 is used to be connected with tested container away from one end of connector 120.During assembling, this
Sealing is formed between one ring bodies 410 and tested container, ensures that the sealing of fluid to be measured flows into.
In terms of fixation, an adpting flange or the connector of other shapes 220 can also be set on tubule 200 by connecting, with
It is easy to connect tubule 200 and tested container realization fixation.
Embodiment two
The present embodiment two provides magnetic double level gauge, and it includes floating drum and connection tubule.Meanwhile the magnetic double level gauge
Also include according to liner made of processing method shown in embodiment one, the cylinder of the liner is arranged on the passage of connection tubule
Interior, first ring bodies is used for positioned at one end that connection tubule is used to be connected with container, second ring bodies positioned at connection tubule
The one end being connected with floating drum.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to assert this hair
Bright specific implementation is confined to these explanations.For general technical staff of the technical field of the invention, do not taking off
On the premise of from present inventive concept, some simple deduction or replace can also be made.
Claims (10)
1. connecting the processing method of tubule liner in a kind of magnetic double level gauge, the liner includes intratubular installed in connecting
Cylinder and the first ring bodies and the second ring bodies positioned at cylinder both ends, first ring bodies are used to seal with container
Connection, second ring bodies are used to connect with floating drum sealing, it is characterised in that the processing method includes：
Preparation process：The first ring bodies, the second ring bodies and cylinder are provided, second ring bodies is fixed with cylinder to be connected
Connect, first ring bodies separates with cylinder；
Installation steps：The cylinder is encased in connection tubule；
Fixing step：First ring bodies and cylinder is integrally welded.
2. processing method as claimed in claim 1, it is characterised in that first ring bodies, cylinder and the second ring bodies
It is made of perfluoroethylene-propylene.
3. processing method as claimed in claim 2, it is characterised in that first ring bodies is made of Shooting Technique, institute
State cylinder and the second ring bodies is formed integrally structure by Shooting Technique.
4. the processing method as described in claim any one of 1-3, it is characterised in that in the fixing step, to described
Before one ring bodies and cylinder are welded, first at least the welding region of first ring bodies and cylinder is carried out with alcohol
Go oil processing.
5. processing method as claimed in claim 4, it is characterised in that in the fixing step, to first ring bodies
During being welded with cylinder, the non-solder region of the first ring bodies and cylinder is compacted.
6. processing method as claimed in claim 5, it is characterised in that the compacting is included to first ring bodies and cylinder
Welding region side end face is compacted on body.
7. processing method as claimed in claim 4, it is characterised in that the outer peripheral face of the cylinder has first chamfering of circle
Face, first ring bodies have the inner peripheral surface coordinated with cylinder outer peripheral face, and the inner peripheral surface has second fillet surface of circle,
First fillet surface and the second fillet surface surround welding groove.
8. processing method as claimed in claim 4, it is characterised in that in the fixing step, to first ring bodies
Before being welded with cylinder, first at least the welding region of first ring bodies and cylinder is cleaned with liquid detergent；
The first ring bodies and cylinder after cleaning are deoiled with alcohol again after drying.
9. processing method as claimed in claim 4, it is characterised in that in the fixing step, to first ring bodies
During being welded with cylinder, welding rod used is Meltability polytetrafluorethyletubular welding rod.
10. a kind of magnetic double level gauge, it includes floating drum and connection tubule, it is characterised in that also includes according to such as claim
Liner made of any one of 1-9 processing methods, the cylinder of the liner are arranged in the passage of connection tubule, and described the
One ring bodies is positioned at one end that connection tubule is used to be connected with container, and second ring bodies is used for positioned at connection tubule and floating drum
One end of connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919511.7A CN107662349A (en) | 2017-09-30 | 2017-09-30 | Magnetic double level gauge and its processing method for connecting tubule liner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919511.7A CN107662349A (en) | 2017-09-30 | 2017-09-30 | Magnetic double level gauge and its processing method for connecting tubule liner |
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| CN107662349A true CN107662349A (en) | 2018-02-06 |
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| CN201710919511.7A Pending CN107662349A (en) | 2017-09-30 | 2017-09-30 | Magnetic double level gauge and its processing method for connecting tubule liner |
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