CN108917872A - Stainless steel water watch shell blank and processing method, stainless steel water watch shell and water meter - Google Patents
Stainless steel water watch shell blank and processing method, stainless steel water watch shell and water meter Download PDFInfo
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- CN108917872A CN108917872A CN201810812381.1A CN201810812381A CN108917872A CN 108917872 A CN108917872 A CN 108917872A CN 201810812381 A CN201810812381 A CN 201810812381A CN 108917872 A CN108917872 A CN 108917872A
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- shell
- inner ring
- stainless steel
- master slice
- public affairs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
- B23P13/04—Making metal objects by operations essentially involving machining but not covered by a single other subclass involving slicing of profiled material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/205—Hydro-mechanical deep-drawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Domestic Plumbing Installations (AREA)
Abstract
The invention discloses stainless steel water watch shell blank and processing methods, stainless steel water watch shell and water meter, the processing method include component dismantling, punch forming, cutting, component processing, assembling and furnace weldering and etc., the bright spot of this method is for blank to be processed to be decomposed into the components such as shell public affairs piece, shell master slice and inner ring, shell public affairs piece and master slice are configured as in the symmetrical mirror-image structure in face, the inner-cavity structure of water meter case is formd after the two cooperation, and the accommodating space for the setting of water meter machine core is equipped in cavity；Plane where matching relationship between inner ring and shell public affairs piece and master slice is configured such that the fixation hole of inner ring and plane where shell mouth are parallel or substantially parallel；Reusing stainless steel is that material carries out hydraulic cold-punching molding, finally assembles and welding obtains shell blank.The present invention is made of safer stainless steel material, and process energy consumption is lower, also more friendly to environment, also utilizes again after recovery processing, significantly reduces overall cost.
Description
Technical field
The invention belongs to water meter technical fields, and in particular to a kind of stainless steel water watch shell blank and processing method, and
The stainless steel water watch shell as made from the processing method and the water meter with the stainless steel water watch shell.
Background technique
Water meter is the instrument for measuring water flow, is the integrated flow measurement of water mostly, is generally divided into volumetric water meter and speed
Degree formula.The internal structure of two quasi-tradition water meter of water meter can be divided into shell, sleeve, inner core three-major-items outside in, and shell is the pig iron
It casts, water passes through the lower annular space of shell after coming out from water inlet, be called " lower ring casing " here, empty in this annular
Between the upper surface of there is " upper ring casing " and water outlet to communicate.The bottom of sleeve has with foraminate filter screen, filters out the sundries in water.
Cartridges sides have two rows circular hole, and the position in hole is just opposite with the ring casing up and down of shell, it is clear that and lower row is inlet opening, on
Row is apopore.Inner core is divided into upper, middle and lower-ranking, from windowpane it is seen that upper layer, only pointer and dial.In fact most
, there is a plastic wheel in crucially lower layer here, takes turns on side that there are many plastic blades, is called " impeller ".The location of impeller
It is just formed by rotating flow in casing lower layer hole, the blade in water impact wheel week, generates torque, rotate impeller.
Faucet is opened bigger, and water flow is more anxious, and impeller just turns faster.This kind of water meter is simple inexpensive by it, can be in wet environment borough chief
The advantages of phase is employed without maintenance, and does not have to power supply, and power failure nor affects on work still can long term service, therefore, still
It is current mainstream water meter product.
For the water meter of the type, shell often uses iron or copper to cast and obtain blank, then passes through numerical control again
After cutting and surface treatment, and final shell finished product is obtained, becomes available water meter after portion's installing machine core in the inner.
For the water meter of the type, GB/T 778.1-2007 closes the measurement Chilled Drinking Water water meter and hot water water of water flow in full packages road
Table part 1：The technical characteristic for all types of water meters is defined in specification, wherein for each type of each model water meter
Water meter bore and overall size have detailed regulation, so that the water meter of different manufacturers can be general.
In existing production technology, shell is mostly to cast to obtain blank, this aspect after using iron or copper weld pool
Can there are problems that following several respects：Firstly, since shell structure and casting process are limited, the most thin thickness of general shell
It needs to reach 5-8cm, this production that will lead to shell needs to consume a large amount of iron or copper, and can also lead due to its thickness
Shell and water meter is caused to all have biggish weight, this is unfavorable for production, transport and installation.Secondly, casting method needs first to
To liquid, the energy consumption that this will lead to its production is high, consumes many energy and generates a large amount of greenhouse gases, this is right for iron or copper weld pool
It is also disagreeableness for environment.Again, since water meter needs are in contact with water source for a long time, and iron and copper both substances
Self property determine its with can occur after water Long Term Contact chemically react and influencing water quality, this for water meter use and
Service life is unfavorable.Finally, being considered based on water safety, rules and regulations need replacing water meter after a period of use, tradition
Irony and copper water meter, need disassemble after shell slightly handle after as source of iron and copper source return smelting furnace re-start
Casting, this regeneration method is not only at high cost, also unfriendly to environment.
Therefore, a kind of manufacture craft of safer, production and processing the lower new water meter shell of cost of material is needed,
And the Chinese patent that publication No. is CN103542907A discloses a kind of environment-friendly high-precision stainless steel water meter and its preparation side
Method, publication No. are that the Chinese patent of CN105181060A discloses stainless steel water meter and its preparation side of a kind of high-intensitive high life
Method, disclose in this two pieces patent document be by stainless material raw material water meter processing method, but it mainly passes through Laser Welding
The mode connect is attached each component, and equipment cost is sufficiently expensive, also higher so as to cause its production cost, is unfavorable for big
Technical scale metaplasia produces；Also, the performance parameter and product stability of its finished product housing do not reach reasonable commercialization water yet
It is flat.
Summary of the invention
That the purpose of the present invention is to provide a kind of tooling costs is controllable, processing technology is easy to control, structural behaviour and good
The stainless steel water watch shell blank and processing method and the stainless steel as made from the processing method of product rate height and material safety
Water meter case and water meter with the stainless steel water watch shell.
In order to achieve the above object, scheme of the present invention is：
A kind of processing method of stainless steel water watch shell blank comprising following steps：
The step of component is disassembled：Stainless steel water watch shell blank is decomposed into shell public affairs piece, shell master slice and inner ring, it is described
Shell public affairs piece and shell master slice are configured as foring the inner cavity knot of water meter case after the two cooperation in the symmetrical mirror-image structure in face
Structure, inner cavity include cavity, intake tunnel and exhalant canal, and intake tunnel and exhalant canal are connected respectively to form water with cavity
Channel；Inner ring separates the cavity into bottom and top, and bottom is connected with intake tunnel and top is connected with exhalant canal, water
Stream can enter cavity bottom through intake tunnel, then again by after entering at the top of cavity after inner ring to exhalant canal.In cavity
Equipped with the accommodating space being arranged for water meter machine core, top is equipped with shell mouth.The inner ring and the male piece of shell and shell are female
Plane where matching relationship between piece is configured such that the fixation hole of inner ring and plane where shell mouth are parallel or substantially parallel.
The step of punch forming：Shell stainless steel materials are taken, are placed on mold, the hydraulic cold by the way of primary or gradation
Punching or drawing and forming, so that the molding structure of shell public affairs piece and shell master slice meets setting structure requirement.
The step of cutting：Stamping forming shell public affairs piece and shell master slice are placed on cutter, along plane of symmetry direction into
Row cutting, will form generate extra rim charge excision, and make cut after section be it is smooth so that male piece and mother
Piece has biggish contact area in favor of subsequent welding processing.
The step of component processing：Inner ring stainless steel materials are taken, are placed on interior ring mould, the liquid by the way of primary or gradation
Cold-punching molding is pressed, so that the molding structure of inner ring meets design requirement；Certainly, for inner ring, it is also possible to using numerical control cutting
Mode be process.More preferably, the inner ring stainless steel materials thickness is configured as being greater than its setting thickness (i.e. final water
Inner ring thickness in watch shell finished product), so that finally obtained shell blank is more than needed with certain thickness, so as to
The slight deviations of the subsequent numerical control cutting of fixation position during to(for) inner ring are modified.
The step of assembling：The inner ring obtained after processing is matched with setting position in shell public affairs piece and shell master slice, i.e., will
Inner ring is matched in the inner ring fixing groove in public piece and master slice, after fixed to joint progress spot welding, by the whole work after assembling
Part is placed in girth welding machine, is carried out boxing to joint and is fixed.
The step of furnace welds：Stainless steel metal glue is coated in the joint for the workpiece that boxing fixes, is subsequently placed in furnace welding machine
Interior progress furnace weldering, so that blank is obtained, it is consistent with the water meter case blank structure that casting obtains.
Preferably, the cutting of shell public affairs piece and shell master slice is along its axial direction (i.e. along public piece in the step of cutting
With the segmentation direction of master slice), and its be cut after have even curface so that shell public affairs piece and shell master slice are welding
When have enough contact surfaces.
It preferably, further include the step disassembled the water meter case blank as facing in the step of component is disassembled
Suddenly, facing is configured to include import facing, outlet facing and shell mouth facing；Import facing and outlet facing are configured as point
It is not matched with the end of intake tunnel and exhalant canal.And in shell public affairs piece and shell master slice inner wall be configured as being correspondingly provided with
Detent slot is enclosed, inner ring detent slot is to be projected by shell public affairs piece and the outside punching press of shell master slice and formed, and inner ring is configured as can
It is set in cavity and is arranged in inner ring detent slot.
The import facing, outlet facing and shell mouth facing are both configured in hollow cylindrical structure, outside
End is equipped with boss, the internal diameter of inner end and the outer diameter of intake tunnel, exhalant canal and shell mouth end match (it is of substantially equal or
It is bigger), and internal diameter of the internal diameter at the boss of outer end then with intake tunnel, exhalant canal and shell mouth end matches, thus
Import facing, outlet facing and shell mouth facing are respectively cooperating in intake tunnel, exhalant canal and shell mouth
End is to play fixed function to shell and the thickness of three ends is made to increase to design requirement；Obviously, three final ends
Pipe thickness be the sum of shell wall thickness and facing inner end wall thickness.
At the same time, the component processing the step of in equally include the steps that processing facing, can equally adopt
It is processed and is obtained with the mode of cold working (punching press or stretching) or numerical control cutting.
Preferably, the inner ring is configured as being additionally provided with the fixation hole of water meter machine core setting thereon, naturally it is also possible to be
There is no the complete sheet material of fixation hole.The processing capacity that fixation hole is set in advance when can mitigate subsequent numerical control cutting, and it is complete
Sheet material also can be achieved on function of the invention.
Further, at least one of the inner ring and the thickness of facing are configured as being greater than its setting thickness (i.e. most
Respective thickness requirement in whole water meter case finished product), so that having centainly at the age of a draught animal of finally obtained shell blank
Thickness is more than needed, so as to repair during subsequent numerical control cutting for the slight deviations of the processing of shell and assembling
Just.This is because the specification and fixation hole of rules and regulations water outlet mouthpiece and water outlet mouthpiece and the depth of parallelism of shell mouth, are desirable
It meets certain requirements, if being not provided with surplus, that may cause final products that can go out because of material error or mismachining tolerance
Not the case where not conforming to regulation now, and the setting of above-mentioned surplus then can be to avoid this problem.
Preferably, straight in the middle part of the inner ring, fixation hole is set among middle part, and the first end of inner ring, which is equipped with, to be upwardly extended
First end, second end is equipped with the second end that extends downwardly；At the same time, shell public affairs piece and shell master slice inner wall are set to
Inner ring detent slot there is the structure that extends upward or downward accordingly so that inner ring can be firmly fixed in shell public affairs
In piece and shell master slice.The inner ring can be used for horizontal water meter.
Preferably, the inner ring is integrally in straight sheet, and fixation hole is set to one end, and the other end is equipped with straight end
Head；At the same time, the inner ring detent slot for being set to shell public affairs piece and shell master slice inner wall is also set on same plane,
So that inner ring can be firmly fixed in shell public affairs piece and shell master slice.The inner ring can be used for vertical water meter.
It further, further include disassembling the water meter case blank for connecting rod valve support and modeling the step of component is disassembled
The step of part bracket, the connecting rod valve support are configured as being set on exhalant canal, and at the same time, the male piece of shell and shell are female
The valve opening for the setting of connecting rod valve support is reserved on piece corresponding position in punch forming so that connecting rod valve support is arranged in out
On aquaporin；Also, it is additionally provided with valve detent slot in exhalant canal inner wall corresponding position, so that connecting rod valve can be by well
It is fixed in exhalant canal.It is equipped on corresponding position in punch forming on shell public affairs piece and shell master slice and is arranged for plastic bracket
The age of a draught animal (step) so that plastic bracket can be fixed in housing body securely；Plastic bracket equally uses metal
(preferably stainless steel material) is made, and plastic bracket equally welds together (point postwelding in assembling and welding with housing body
Boxing respectively, and final furnace weldering).More preferably, it projects and is formed outward when the valve with detent slot is also punch forming.In this way
The shell processed can be made to have for the setting of the components such as connecting rod valve and IC shell, to form the intelligent water of IC card type
Table.
A kind of stainless steel water watch shell blank is by prepared by the processing method by any of the above-described content.
A kind of stainless steel water watch shell is by above-mentioned stainless steel water watch shell blank through numerical control cutting and surface treatment
Obtained from.The numerical control cutting and surface treatment are identical as the processing mode of blank that casting in the prior art obtains, only
Design parameter correspondingly adjusts.
A kind of stainless steel water meter is mainly made of shell, machine core and lid, and the shell is above-mentioned stainless steel water meter
Shell places lower gasket between the fixation hole on machine core and inner ring, after placing upper gasket between machine core and lid, puts tight lid
Body obtains the i.e. described stainless steel water meter.
Processing method of the invention, using runner vertical plane as the plane of symmetry, is divided into left and right creatively by water meter case
Symmetrical shell public affairs piece and shell master slice, and using stainless steel plate as raw material, punching press/drawing and forming by the way of hydraulic cold punching and
Obtain its main component；Inner ring fixed for machine core necessary to water meter case separately punching press or adds as independent part
Work obtains, and the corresponding inner ring detent slot of corresponding position punching press on shell public affairs piece and shell master slice, so that in blank group
When dress can by easily, be accurately installed to design position；Increase the blank wall of each interface with the facing for closing auxiliary again
Molding method is welded in thickness and spot welding, boxing and furnace, so that blank obtained by processing method of the invention is each
The parameters such as interface specification, machine core chamber size meet laws and regulations requirement, can be logical with other existing Water gauge components or waterpipe jointing
With；Certainly, the model of interface can be (referring to internal diameter of the pipeline size) such as DN15, DN20, DN25, the DN40 specified by regulation.More
For importantly, the processing method mainly use hydraulic Cold Press Working, be aided with numerical control cutting and welding fabrication, relative to
For traditional casting method, raw material is more environmentally-friendly, energy consumption is lower, and can also recycle；Relative to novel laser
For welding, structure is more reasonable, compressive resistance is higher and used equipment and production cost are lower, is conducive to big rule
Mould is promoted.
Detailed description of the invention
The process flow chart of processing method Fig. 1 of the invention；
Fig. 2 is the structural schematic diagram of the stainless steel water watch shell blank of embodiment one；
Fig. 3 is the decomposition diagram of Fig. 1 embodiment blank；
Fig. 4 is the structural schematic diagram of Fig. 1 embodiment shell public affairs piece；
Fig. 5 is the cross-sectional view of Fig. 1 embodiment shell public affairs piece；
Fig. 6 is the medial elevational view of Fig. 1 embodiment shell public affairs piece；
Fig. 7 is the structural schematic diagram of Fig. 1 embodiment inner ring；
Fig. 8 is the structural schematic diagram of Fig. 1 embodiment import facing；
Fig. 9 is the structural schematic diagram of Fig. 1 embodiment mouth shell mouth facing
Figure 10 is the shell public affairs piece of Fig. 1 embodiment and the cooperation schematic diagram of inner ring；
Figure 11 is the structural schematic diagram of the stainless steel water watch shell blank of embodiment two；
Figure 12 is the decomposition diagram of Figure 11 embodiment blank；
Figure 13 is the cooperation cross-sectional view of Figure 11 embodiment shell public affairs piece Yu connecting rod valve support；
Figure 14 is the medial elevational view of Figure 11 embodiment shell public affairs piece；
Figure 15 is the shell public affairs piece of Figure 11 embodiment and the cooperation schematic diagram of inner ring；
Figure 16 is the structural schematic diagram of the stainless steel water watch shell blank of embodiment three；
Figure 17 is the decomposition diagram of Figure 16 embodiment blank；
Figure 18 is the structural schematic diagram of Figure 16 embodiment shell public affairs piece；
Figure 19 is the medial elevational view of Figure 16 embodiment shell public affairs piece；
Figure 20 is the structural schematic diagram of Figure 16 embodiment inner ring；
Figure 21 is the shell public affairs piece of Figure 16 embodiment and the cooperation schematic diagram of inner ring；
Specific embodiment
In order to make those skilled in the art more fully understand the present invention, to be made more to the scope of protection of present invention
It clearly limits, with regard to some embodiments of the invention, the present invention will be described in detail below.It should be noted that following
The certain specific embodiments for being only present inventive concept are only a part of the embodiments of the present invention, wherein for the tool of dependency structure
The direct description of body is only for convenience of the present invention is understood, each specific features are not certain, directly limit implementation of the invention
Range.Those skilled in the art made conventional selection and replacement under the guidance of present inventive concept, are regarded as in the present invention
In claimed range.
A kind of processing method of stainless steel water watch shell blank comprising following steps：
The step of component is disassembled：Stainless steel water watch shell blank is decomposed into shell public affairs piece, shell master slice and inner ring, it is described
Shell public affairs piece and shell master slice are configured as foring the inner cavity knot of water meter case after the two cooperation in the symmetrical mirror-image structure in face
Structure, inner cavity include cavity, intake tunnel and exhalant canal, and intake tunnel and exhalant canal are connected respectively to form water with cavity
Channel；Inner ring separates the cavity into bottom and top, and bottom is connected with intake tunnel and top is connected with exhalant canal, water
Stream can enter cavity bottom through intake tunnel, then again by after entering at the top of cavity after inner ring to exhalant canal.In cavity
Equipped with the accommodating space being arranged for water meter machine core, top is equipped with shell mouth.The inner ring and the male piece of shell and shell are female
Plane where matching relationship between piece is configured such that the fixation hole of inner ring and plane where shell mouth are parallel or substantially parallel.
More preferably, the inner ring is configured as being additionally provided with the fixation hole of water meter machine core setting thereon, naturally it is also possible to be unfixed
The complete sheet material in hole.
The step of punch forming：Shell stainless steel materials are taken, are placed on mold, the hydraulic cold by the way of primary or gradation
Punching or drawing and forming, so that the molding structure of shell public affairs piece and shell master slice meets setting structure requirement.
The step of cutting：Stamping forming shell public affairs piece and shell master slice are placed on cutter, along plane of symmetry direction into
Row cutting, will form generate extra rim charge excision, and make cut after section be it is smooth so that male piece and mother
Piece has biggish contact area in favor of subsequent welding processing.
The step of component processing：Inner ring stainless steel materials are taken, are placed on interior ring mould, the liquid by the way of primary or gradation
Cold-punching molding is pressed, so that the molding structure of inner ring meets design requirement；Certainly, for inner ring, it is also possible to using numerical control cutting
Mode be process.More preferably, the inner ring stainless steel materials thickness is configured as being greater than its setting thickness (i.e. final water
Inner ring thickness in watch shell finished product), so that finally obtained shell blank is more than needed with certain thickness, so as to
The slight deviations of the subsequent numerical control cutting of fixation position during to(for) inner ring are modified.
The step of assembling：The inner ring obtained after processing is matched with setting position in shell public affairs piece and shell master slice, i.e., will
Inner ring is matched in the inner ring fixing groove in public piece and master slice, after fixed to joint progress spot welding, by the whole work after assembling
Part is placed in girth welding machine, is carried out boxing to joint and is fixed.
The step of furnace welds：Stainless steel metal glue is coated in the joint for the workpiece that boxing fixes, is subsequently placed in furnace welding machine
Interior progress furnace weldering, so that blank is obtained, it is consistent with the water meter case blank structure that casting obtains.
It is subsequent through numerical control cutting and surface treatment (identical as existing mode) by the blank, water meter case can be obtained.
In certain embodiments, the shell stainless steel materials carry out thickness processing in advance, so that interface and shell
There is corresponding thickness at body mouth.
It further include by the shell of water flowmeter body embryo in the step of component is disassembled in some other preferred embodiment
The step of part dismantling is facing, facing are configured to include import facing, outlet facing and shell mouth facing；Import facing and go out
Mouth facing is configured to be matched with the end of intake tunnel and exhalant canal.And shell public affairs piece and shell master slice inner wall are matched
It is set to and is correspondingly provided with inner ring detent slot, inner ring detent slot is to be projected by shell public affairs piece and the outside punching press of shell master slice and formed
, inner ring 2 is configured as may be disposed in cavity and be arranged in inner ring detent slot.
The import facing, outlet facing and shell mouth facing are both configured in hollow cylindrical structure, outside
End is equipped with boss, the internal diameter of inner end and the outer diameter of intake tunnel, exhalant canal and shell mouth end match (it is of substantially equal or
It is bigger), and internal diameter of the internal diameter at the boss of outer end then with intake tunnel, exhalant canal and shell mouth end matches, thus
Import facing, outlet facing and shell mouth facing are respectively cooperating in intake tunnel, exhalant canal and shell mouth
End is to play fixed function to shell and the thickness of three ends is made to increase to design requirement；Obviously, three final ends
Pipe thickness be the sum of shell wall thickness and facing inner end wall thickness.
More preferably, the thickness of the facing is configured as being greater than its setting thickness (phase in i.e. final water meter case finished product
Answer thickness requirement), so that having certain thickness more than needed at the age of a draught animal of finally obtained shell blank, so as to rear
The slight deviations of the processing of shell and assembling are modified during continuous numerical control cutting.
At the same time, the component processing the step of in equally include the steps that processing facing, can equally adopt
It is processed and is obtained with the mode of cold working (punching press or stretching) or numerical control cutting.More preferably, facing equally can be set to have
Thicker thickness is so that final products can carry out deviation modification and improve yields.
In certain preferred embodiments, the cutting of the shell public affairs piece and shell master slice is axial along it, and it is cut
There is even curface, so that shell public affairs piece and shell master slice have enough contact surfaces in welding after cutting.
In certain embodiments, straight in the middle part of the inner ring, fixation hole is set among middle part, and the first end of inner ring is equipped with
The first end upwardly extended, second end are equipped with the second end extended downwardly；At the same time, shell public affairs piece and shell are set to
The inner ring detent slot of master slice inner wall has the structure extended upward or downward accordingly, so that inner ring can be firmly fixed
In in shell public affairs piece and shell master slice.And in further embodiments, the inner ring is integrally in straight sheet, fixation hole setting
In one end, the other end is equipped with straight end；At the same time, it is set to the inner ring detent slot of shell public affairs piece and shell master slice inner wall
Also it is set on same plane, so that inner ring can be firmly fixed in shell public affairs piece and shell master slice.With
Upper two kinds of structures correspond respectively to the inner ring structure of horizontal water meter case and vertical water meter shell.
It further include disassembling the water meter case blank for connecting rod in the step of component dismantling in certain more preferably embodiments
The step of valve support and plastic bracket, the connecting rod valve support are configured as being set on exhalant canal, and at the same time, shell is public
The valve opening for the setting of connecting rod valve support is reserved on piece and shell master slice on corresponding position in punch forming for connecting rod valve branch
Frame is arranged on exhalant canal；Also, it is additionally provided with valve detent slot in exhalant canal inner wall corresponding position, so that connecting rod valve can
To be well secured in exhalant canal.It is equipped in punch forming for modeling on corresponding position on shell public affairs piece and shell master slice
The age of a draught animal of part bracket setting, so that plastic bracket can be fixed in housing body securely；Plastic bracket equally uses
Metal (preferably stainless steel material) is made, and plastic bracket equally welds together (point with housing body in assembling and welding
Postwelding distinguishes boxing, and final furnace weldering).More preferably, it projects and is formed outward when the valve with detent slot is also punch forming.
The shell processed can be made to have in this way for the setting of the components such as connecting rod valve and IC shell, to form intelligent IC cassette
Water meter.
A kind of stainless steel water watch shell blank is by prepared by the processing method by any of the above-described content.
A kind of stainless steel water watch shell is by above-mentioned stainless steel water watch shell blank through numerical control cutting and surface treatment
Obtained from.The numerical control cutting and surface treatment are identical as the processing mode of blank that casting in the prior art obtains, only
Design parameter correspondingly adjusts.
A kind of stainless steel water meter is mainly made of shell, machine core and lid, and the shell is above-mentioned stainless steel water meter
Shell places lower gasket between the fixation hole on machine core and inner ring, after placing upper gasket between machine core and lid, puts tight lid
Body obtains the i.e. described stainless steel water meter.
Embodiment one
A kind of stainless steel water watch shell blank structure, mainly by shell public affairs piece 11, shell master slice 12, inner ring 2 and tooth
3 composition of set, facing 3 include import facing 31, outlet facing 32 and shell mouth facing 33；The shell public affairs piece 11 and shell master slice
12 be the symmetrical mirror-image structure in face, the inner-cavity structure of water meter case is formd after the two cooperation, and the two joint is plane
Structure；Inner cavity includes cavity 13, intake tunnel 14 and exhalant canal 15, intake tunnel 14 and exhalant canal 15 respectively with cavity 13
It is connected to form water stream channel, intake tunnel 14 and exhalant canal 15 are linearly arranged, import facing 31 and outlet facing
32 are respectively cooperating in the end of intake tunnel 14 and exhalant canal 15；The accommodating for the setting of water meter machine core is equipped in cavity 13
Space, top are equipped with shell mouth 16.Shell public affairs piece 11 and 12 inner wall of shell master slice are correspondingly provided with inner ring detent slot 21, inner ring
Detent slot 21 is to be projected by shell public affairs piece 11 and the outside punching press of shell master slice 12 and formed, and inner ring 2 is configured as may be disposed at
It in cavity 13 and is arranged in inner ring detent slot 21, inner ring 2 is equipped with the fixation hole 22 of water meter machine core setting；Inner ring 2 and shell
Matching relationship between body public affairs piece 11 and shell master slice 12 is configured such that the 22 place plane of fixation hole and shell mouth 16 of inner ring 2
Place plane is parallel or substantially parallel.Water flow enters behind 13 lower part of cavity after by machine core to 13 top of cavity from intake tunnel 14
It is flowed out by exhalant canal 15.
The import facing 31, outlet facing 32 and shell mouth facing 33, are hollow cylindrical structure, outer end is set
There is boss 34, the internal diameter of their inner end and the outer diameter of 16 end of intake tunnel 14, exhalant canal 15 and shell mouth match
(of substantially equal or bigger), and the internal diameter at outer end boss 34 then with 16 end of intake tunnel 14, exhalant canal 15 and shell mouth
The internal diameter in portion matches, so that import facing 31, outlet facing 32 and shell mouth facing 33 can be respectively cooperating in water inlet
The end in channel 14, exhalant canal 15 and shell mouth 16 is to play fixed function to shell and increase the thickness of three ends
To design requirement；Obviously, the pipe thickness of three final ends is the sum of shell wall thickness and facing inner end wall thickness.
2 middle part of the inner ring is straight, fixation hole 22 is set to that middle part is intermediate, and the first end of inner ring 2, which is equipped with, to be upwardly extended
First end 23, second end are equipped with the second end 24 extended downwardly；At the same time, shell public affairs piece 1 and shell master slice 2 are set to
The inner ring detent slot 21 of inner wall has the structure extended upward or downward accordingly, so that inner ring 2 can be firmly fixed
In in shell public affairs piece 1 and shell master slice 2.
Intake tunnel 14 and the corresponding interface screw thread of exhalant canal 15 can be configured as DN15, DN20, DN25, DN40
Etc. models.
Embodiment two
A kind of IC stainless steel water watch shell blank structure, primary structure is identical as the shell blank of embodiment one, difference
It is, which further includes connecting rod valve support 4 and plastic bracket 5.
The connecting rod valve support 4 is set on exhalant canal 15, at the same time, right on shell public affairs piece 11 and shell master slice 12
It answers and is reserved with the valve opening 18 for the setting of connecting rod valve support 4 on position in punch forming so that connecting rod valve support 4 is arranged in water outlet
On channel 15.Also, it is additionally provided with valve detent slot 17 in 15 inner wall corresponding position of exhalant canal, so that connecting rod valve can be by very
It is fixed on well in exhalant canal 15；More preferably, it projects and is formed outward when the valve with detent slot 17 is also punch forming.
To install for IC component, which further includes plastic bracket 5, while 11 He of shell public affairs piece
The age of a draught animal on shell master slice 12 on corresponding position in punch forming equipped with its setting of confession, so that plastic bracket 5 can be firm
Admittedly be fixed in housing body；Plastic bracket 5 is equally made of metal (preferably stainless steel material), and plastic bracket 5 is same
Sample welds together in assembling and welding with housing body.
Intake tunnel 14 and the corresponding interface screw thread of exhalant canal 15 can be configured as DN15, DN20, DN25, DN40
Etc. models.
Embodiment three
A kind of vertical stainless steel water watch shell blank structure, primary structure is identical as the shell blank of embodiment one, area
It is not, it is vertical that the water-in and water-out channel of the shell blank is changed by horizontal；Inner ring 2 is on the whole in planar knot simultaneously
Structure.The specific structure of the vertical stainless steel water watch shell blank is：
The vertical stainless steel water watch shell blank is made of shell public affairs piece 11, shell master slice 12, inner ring 2 and facing 3, tooth
Set 3 includes import facing 31, outlet facing 32 and shell mouth facing 33；The shell public affairs piece 11 and shell master slice 12 are that face is symmetrical
Mirror-image structure, the inner-cavity structure of water meter case is formd after the two cooperation, and the two joint is planar structure；Inner cavity packet
Cavity 13, intake tunnel 14 and exhalant canal 15 are included, intake tunnel 14 and exhalant canal 15 are connected respectively with cavity 13 with shape
At aquaporin, intake tunnel 14 and exhalant canal 15 are concentrically vertically arranged；Water flow turns water after vertically entering into intake tunnel 14
Square to 13 bottom of cavity is entered, inversely enter in exhalant canal 15 to flow vertically after machine core to the top of cavity 13 is horizontal again
Out.The accommodating space for the setting of water meter machine core is equipped in cavity 13, top is equipped with shell mouth 16.Shell public affairs piece 11 and shell
12 inner wall of body master slice is correspondingly provided with inner ring detent slot 21, and inner ring detent slot 21 is outside by shell public affairs piece 11 and shell master slice 12
Punching press is projected and is formed, and inner ring 2 is configured as may be disposed in cavity 13 and being arranged in inner ring detent slot 21, on inner ring 2
Fixation hole 22 equipped with the setting of water meter machine core；Matching relationship between inner ring 2 and shell public affairs piece 11 and shell master slice 12 is configured
To make 22 place plane of fixation hole and the 16 place plane of shell mouth of inner ring 2 parallel or substantially parallel.
The import facing 31, outlet facing 32 and shell mouth facing 33, are hollow cylindrical structure, outer end
Equipped with boss 34, import facing 31 and outlet facing 32 are respectively cooperating in the end of intake tunnel 14 and exhalant canal 15, they
The internal diameter of inner end and the outer diameter of 16 end of intake tunnel 14, exhalant canal 15 and shell mouth match (it is of substantially equal or slightly
Greatly), and the then internal diameter phase with 16 end of intake tunnel 14, exhalant canal 15 and shell mouth of the internal diameter at outer end boss 34
Match, leads to so that import facing 31, outlet facing 32 and shell mouth facing 33 can be respectively cooperating in intake tunnel 14, water outlet
The end of road 15 and shell mouth 16 is to play fixed function to shell and the thickness of three ends is made to increase to design requirement；It is aobvious
So, the pipe thickness of three final ends is the sum of shell wall thickness and facing inner end wall thickness.
The whole inner ring 2 is in straight sheet, and fixation hole 22 is set to one end, and the other end is equipped with straight end 25；
At the same time, the inner ring detent slot 21 for being set to 12 inner wall of shell public affairs piece 11 and shell master slice is also set at same plane
On, so that inner ring 2 can be firmly fixed in shell public affairs piece 11 and shell master slice 12.
Intake tunnel 14 and the corresponding interface screw thread of exhalant canal 15 can be configured as DN15, DN20, DN25, DN40
Etc. models.
By above structure description it is found that embodiment one and embodiment are third is that two kinds of more traditional water meter structures, difference
Only it is that one is horizontal the other is vertical, has corresponding variation so as to cause its structure；Embodiment is second is that in embodiment
The intelligent IC formula water meter case being derived on the basis of one, which increase the connecting rod valve support and valve that are arranged for connecting rod valve use
Detent slot, and the plastic bracket fixed for IC shell, so that the water meter being made from it is more intelligent compared with conventional water meter, it can
To reduce the workload of manual metering.But for from the angle of processing, the water meter case blank of embodiment two is the most complicated
, the water meter case blank of embodiment one, three is mutually omitted on its basis accordingly increases structure, therefore, with embodiment two
IC formula blank processing for, specific processing method of the invention is described in detail.
Step 1 blanking：Stainless steel materials are sent into press machine, stainless steel materials can be sheet and be also possible to roll up
Shape, it is specifically dependent upon the thickness and flexibility of plate, and completion blanking sheet is rushed by blanking die.The requirement of its technique
It is：The shape and size of one of pre-stretching mold requirement must be pressed by rushing the sheet fallen, i.e. shape with the size needs of blanking meet
Design requirement.
Step 2 is preforming：Sheet material after blanking is sent into drawing machine tool, it is hydraulic at pre-shaped, technique to be carried out to it
It is required that being：Pre-shaped at product must walk to expect position, must not unfilled corner, lack side.
Step 3 stretches：Workpiece after will be preforming is sent into drawing machine tool, to carry out hydro-forming to it, to complete
Public piece or master slice it is integrally formed, technique require be：Molding public affairs piece or master slice must be examined by drawing, can after qualified
Into subsequent handling.
Step 4 trimming：The workpiece (public piece or master slice) of drawing and forming is sent into trimming lathe, by its four Monday circle
Side crops are squeezed to be cut off；Dedicated cutting apparatus is used when trimming, the plane of symmetry direction along public piece or master slice is cut,
So that having biggish contact area in favor of welding when the two cooperates.Its technique requires：Material thickness section after excision
It must be flat and smooth.
Step 5 coining：Workpiece (public piece or master slice) after trimming is sent into copy press bed, extrudes corresponding number, text
And the markings such as mark, such as：The specification of 15mm, 20mm, 25mm identify, the mark etc. of arrow direction.
Step 6 component processing：Other component press its Structural Design Requirement, can be used above-mentioned steps 1-4 processing method or
It is the methods of numerical control cutting, other component is processed into design shape and structure.
The assembling of step 7 inner ring：In the inner ring detent slot of workpiece (public piece and master slice) after inner ring to be placed in pressure word, then by valve
It is placed in valve detent slot with inner ring, conjunction welding machine bed progress multiple spot welding is sent into and fixes.Its technique requires：Public piece must be right with master slice
Together, dislocation is not allowed.
Step 8 boxing：Workpiece of the spot welding after fixed is sent into boxing lathe and carries out boxing.The requirement of its technique：Boxing starting point
It must once complete to terminal, must not cease fire halfway, molten depth >=surface 1.5mm is smooth, must nitrogen in no overlap welding slag housing chamber
Gas shielded guarantees intracavitary Non-carbonized.
The assembling of step 9 facing：After facing (water inlet facing, water outlet facing and table mouth facing) is inserted in boxing respectively
The corresponding site of workpiece is sent into dedicated boxing lathe and carries out a boxing then.Its technique requires：It is held by the 8th technique requirement
Row.
Step 10 valve opening punching press：The workpiece of step 8 is sent into press machine, completes the punching press of valve portion tie rod holes.Its technique
It is required that：Aperture must not deform, must not jagged cutting edge of a knife or a sword skin.
Step 11 bracket assembled：Valve is placed in the valve orifice of upper one of shell product with connecting rod rack, and is put into dedicated
Boxing lathe carries out boxing.Technique requires：It is executed by the 8th technique requirement.
Step 12 plastic bracket assembled：By the corresponding site outside the upper shell together of plastic bracket merging, aligning direction with
Highly (support of tooling mould) is sent into dedicated boxing lathe and carries out local welding.Its technique requires：Stent cover must be flat with table mouth face
Row, welding are executed by the 8th technique requirement.
The weldering of step 13 furnace：Intracavitary be painted into stainless steel metal glue feeding furnace of workpiece that step 12 completes welding is subjected to furnace
Weldering, technique requirement：Weldering must not be lacked at intracavitary furnace weldering, built-up welding is flat and smooth, after coming out of the stove up to it is solid molten require it is unstressed.
The cutting of step 14 data：The workpiece of step 13 is sent into numerically-controlled machine tool and carries out hardware cutting, technique requirement：Cutting face
Must flat and smooth, impulse- free robustness, tooth away from inspection is executed by only/logical ring gauge, press product figure and execute inspection by height and length unit etc..
Step 15 leak test：The workpiece that step 14 completes cutting is carried out pressure testing to leak hunting water, technique requirement：By the pressure of product
It is required that >=3 seconds inaccurate water clocks are surveyed in examination.
Step 16 surface treatment：Intact product after step 15 pressure testing is leaked hunting is sent into electrolysis and is surface-treated, technique
It is required that：Single product no color differnece, must not shock by electricity perforation, verify through salt spray test chamber.
Step 17 final inspection packaging：The workpiece that step 16 is obtained packs cartonning after final quality inspection is qualified.
By shell finished product obtained from above-mentioned processing technology and product structure production, it is made relative to most traditional casting method
For, material is more environmentally friendly, wall thickness is thinner, but Specifeca tion speeification is able to satisfy regulation and requirement；On the other hand, originally
The processing method of invention do not cast melting when high energy consumption and high pollution, thus cost is lower to more environment-friendly.And it is opposite
For method of laser welding, it is more reasonable that shell structure of the invention is decomposed, and used equipment cost is lower, more conducively
It promotes, and the joint of each component of shell of the invention, successively welds and weld through spot welding, boxing and furnace, engage stronger
And it is unstressed.
Claims (10)
1. a kind of processing method of stainless steel water watch shell blank comprising following steps：
The step of component is disassembled：Stainless steel water watch shell blank is decomposed into shell public affairs piece, shell master slice and inner ring, the shell
The inner cavity of water meter case is formd after public piece and the cooperation of shell master slice, inner cavity includes cavity, intake tunnel and exhalant canal, water inlet
Channel and exhalant canal are connected respectively to form aquaporin with cavity；The accommodating for the setting of water meter machine core is equipped in cavity
Space, top are equipped with shell mouth；In matching relationship between the inner ring and shell public affairs piece and shell master slice is configured such that
Plane where the fixation hole of circle and plane where shell mouth are parallel or substantially parallel；
The step of punch forming：Take shell stainless steel materials, be placed on mold, by the way of primary or gradation hydraulic cold punching or
Drawing and forming, so that the molding structure of shell public affairs piece and shell master slice meets setting structure requirement；
The step of cutting：Stamping forming shell public affairs piece and shell master slice are placed on cutter, the extra of generation will be formed
Rim charge excision；
The step of component processing：Inner ring stainless steel materials are taken, are placed on interior ring mould, the hydraulic cold by the way of primary or gradation
It is washed into type, or is processed by the way of numerical control cutting, so that the molding structure of inner ring meets design requirement；
The step of assembling：Inner ring is matched in the inner ring fixing groove in public piece and master slice, after fixed to joint progress spot welding,
The one-piece machine member after assembling is placed in girth welding machine again, boxing is carried out to joint and is fixed；
The step of furnace welds：Coat stainless steel metal glue in the joint for the workpiece that boxing fixes, be subsequently placed in furnace welding machine into
Row furnace weldering, to obtain blank.
2. processing method according to claim 1, which is characterized in that the male piece of shell and shell are female in the step of the cutting
The cutting of piece be along its axial direction, and its be cut after have even curface so that shell public affairs piece and shell master slice exist
There is enough contact surfaces when welding.
3. processing method according to claim 1, which is characterized in that the component dismantling the step of in, further include by
The step of water meter case blank dismantling is facing, facing is configured to include import facing, outlet facing and shell mouth tooth
Set；Import facing and outlet facing are configured to be matched with the end of intake tunnel and exhalant canal.
4. processing method according to claim 3, which is characterized in that the inner ring is configured as being additionally provided with water meter thereon
The fixation hole of machine core setting.
5. processing method according to claim 4, which is characterized in that the thickness of the facing and/or inner ring is configured as
Thickness is set greater than it, so that having centainly at the age of a draught animal of finally obtained shell blank and/or at machine core fixation hole
Thickness is more than needed, so as to repair during subsequent numerical control cutting for the slight deviations of the processing of shell and assembling
Just.
6. processing method according to claim 3, which is characterized in that it is straight in the middle part of the inner ring, during fixation hole is set to
Among portion, the first end of inner ring is equipped with the first end upwardly extended, and second end is equipped with the second end extended downwardly；It is same with this
When, the inner ring detent slot for being set to shell public affairs piece and shell master slice inner wall has the structure extended upward or downward accordingly, with
Inner ring is firmly fixed in shell public affairs piece and shell master slice；Or,
The inner ring is integrally in straight sheet, and fixation hole is set to one end, and the other end is equipped with straight end；At the same time,
The inner ring detent slot for being set to shell public affairs piece and shell master slice inner wall is also set on same plane, so that inner ring can
To be firmly fixed in shell public affairs piece and shell master slice.
7. processing method according to claim 1, which is characterized in that in the step of component is disassembled, further including will be described
The step of dismantling of water meter case blank is connecting rod valve support and plastic bracket, the connecting rod valve support is configured as being set to water outlet
On channel, at the same time, it is reserved in punch forming on corresponding position for connecting rod valve support on shell public affairs piece and shell master slice
The valve opening of setting is arranged on exhalant canal for connecting rod valve support；Also, valve is additionally provided in exhalant canal inner wall corresponding position
With detent slot, so that connecting rod valve can be well secured in exhalant canal；It is nearby equipped with for plastic bracket at shell mouth
The step of setting.
8. a kind of stainless steel water watch shell blank, which is characterized in that the blank is according to claim 1-7
Prepared by processing method.
9. a kind of stainless steel water watch shell, which is characterized in that the shell is by stainless steel water watch shell embryo according to any one of claims 8
Part is through obtained from numerical control cutting and surface treatment.
10. a kind of stainless steel water meter, the water meter includes shell, machine core and lid, which is characterized in that the shell is that right is wanted
Stainless steel water watch shell described in asking 9 is respectively arranged with down between machine core and the fixation hole of inner ring and between machine core and lid
Washer and upper gasket are threadably secured between lid and shell mouth and connect.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810812381.1A CN108917872B (en) | 2018-07-23 | 2018-07-23 | Stainless steel water watch shell blank and processing method, stainless steel water watch shell and water meter |
| KR1020190017025A KR102268254B1 (en) | 2018-07-23 | 2019-02-14 | Stainless steel water meter housing blank and processing method, stainless steel water meter housing and water meter |
| JP2019132405A JP6736732B2 (en) | 2018-07-23 | 2019-07-18 | Blank material and processing method for stainless steel water meter housing, stainless water meter housing and water meter |
| PCT/CN2019/097166 WO2020020112A1 (en) | 2018-07-23 | 2019-07-22 | Water meter case and processing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810812381.1A CN108917872B (en) | 2018-07-23 | 2018-07-23 | Stainless steel water watch shell blank and processing method, stainless steel water watch shell and water meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108917872A true CN108917872A (en) | 2018-11-30 |
| CN108917872B CN108917872B (en) | 2019-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810812381.1A Active CN108917872B (en) | 2018-07-23 | 2018-07-23 | Stainless steel water watch shell blank and processing method, stainless steel water watch shell and water meter |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6736732B2 (en) |
| KR (1) | KR102268254B1 (en) |
| CN (1) | CN108917872B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686733A (en) * | 2019-10-15 | 2020-01-14 | 杭州乾博科技有限公司 | Stainless steel water meter shell and water meter |
| WO2020020112A1 (en) * | 2018-07-23 | 2020-01-30 | 浙江优立普计量科技有限公司 | Water meter case and processing method therefor |
| CN113523711A (en) * | 2020-04-20 | 2021-10-22 | 三川智慧科技股份有限公司 | Stainless steel water meter shell blank, preparation method and stainless steel water meter shell |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118143135A (en) * | 2024-05-09 | 2024-06-07 | 兴化市铁信电子工程有限公司 | Dial plate die casting equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2020016653A (en) | 2020-01-30 |
| KR102268254B1 (en) | 2021-06-24 |
| JP6736732B2 (en) | 2020-08-05 |
| CN108917872B (en) | 2019-07-09 |
| KR20200010987A (en) | 2020-01-31 |
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