CN113695839A - Stainless steel base and welding process thereof - Google Patents
Stainless steel base and welding process thereof Download PDFInfo
- Publication number
- CN113695839A CN113695839A CN202010439447.4A CN202010439447A CN113695839A CN 113695839 A CN113695839 A CN 113695839A CN 202010439447 A CN202010439447 A CN 202010439447A CN 113695839 A CN113695839 A CN 113695839A
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- glass tube
- stainless steel
- connecting sleeve
- welding
- flange
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- 238000003466 welding Methods 0.000 title claims abstract description 46
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 32
- 239000010935 stainless steel Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000008569 process Effects 0.000 title claims abstract description 9
- 239000011521 glass Substances 0.000 claims abstract description 64
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 6
- 239000012945 sealing adhesive Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- -1 light industry Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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Classifications
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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
- 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
- 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
- G01F15/18—Supports or connecting means for meters
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- Measuring Volume Flow (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
Abstract
The invention discloses a stainless steel base and a welding process thereof, wherein the stainless steel base comprises a square block, a connecting sleeve and a flange, the square block is fixedly welded at the upper end of the connecting sleeve, the square block is connected with a sealing cover through a bolt, an inner thread groove is arranged inside the upper end of the connecting sleeve, a glass tube base is connected in the inner thread groove through threads, and the flange is fixedly welded at the bottom end of the connecting sleeve. The stainless steel base can adjust the height of the glass tube base by rotating the glass tube base so as to tightly abut against the end part of the glass tube flowmeter, is convenient to install, can effectively adapt to the length error of the glass tube flowmeter, and has good sealing performance and convenient installation.
Description
Technical Field
The invention belongs to the technical field of stainless steel bases, and particularly relates to a stainless steel base and a welding process thereof.
Background
The LZB glass tube rotameter is mainly developed and used in various departments of chemical industry, petroleum, light industry, medicine, chemical fertilizer, chemical fiber, food, dye, environmental protection, scientific research and the like to measure the flow of single-phase non-pulsating (liquid or gas) fluid. When a glass tube flowmeter is installed, a stainless steel base is generally used to fix both ends of a glass tube. The stainless steel base used for fixing the glass tube flowmeter is usually formed by casting, the energy consumption is high, a gap is easily generated in a casting body during casting, the defective rate of products is high, and gaps are easily formed between two ends of a glass tube and the base due to the length error of the glass tube when the glass tube is installed on the existing stainless steel base, so that the sealing performance is reduced.
Disclosure of Invention
The invention aims to provide a stainless steel base and a welding process thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a stainless steel base, includes square, adapter sleeve and flange, adapter sleeve's upper end welded fastening has the square, there is the closing cap through bolted connection on the square, adapter sleeve upper end inside is equipped with the internal thread groove, there is the glass tube socket through threaded connection in the internal thread groove, adapter sleeve's bottom welded fastening has the flange.
Preferably, the upper end of the connecting sleeve is integrally provided with a limiting convex ring, and the upper surface of the square abuts against the limiting convex ring.
Preferably, the bottom end of the connecting sleeve is provided with a boss, and the flange is sleeved on the boss.
Preferably, a glass tube mounting groove is formed in the inner upper portion of the glass tube seat, and a sealing gasket is arranged in the glass tube mounting groove.
Preferably, the upper portion of the inner ring of the sealing cover is integrally provided with a pressing ring, the lower surface of the pressing ring is obliquely arranged, and a sealing body is sleeved in the pressing ring.
A welding process of a stainless steel base comprises the following operation steps:
s1: flaw detection is carried out on the square block, the connecting sleeve and the flange by using an eddy current flaw detector, so that the quality of accessories is qualified;
s2: welding, namely firstly sleeving a square block on a connecting sleeve and tightly abutting against a limiting convex ring, respectively welding the interface of the square block and the connecting sleeve by using a phi 3mm316 stainless steel wire through 250A basic current, naturally cooling, sleeving a flange on a boss of the connecting sleeve, respectively welding the interface of the flange and the boss by using the phi 3mm316 stainless steel wire through 200A basic current, and naturally cooling for later use;
s3: surface treatment, namely grinding the welding position to enable the welding position to be in a smooth transition state, and polishing the surface of a welding body to enable the surface of the welding body to be bright;
s4: assembling, namely winding a sealing adhesive tape on a glass tube seat, screwing the glass tube seat into the internal thread groove, and then installing a sealing gasket at the bottom in the glass tube installation groove;
s5: the sealing body is arranged on the pressing ring of the sealing cover and then sleeved on the glass tube flowmeter, the bottom end of the glass tube flowmeter is arranged in the glass tube mounting groove, the glass tube seat is rotated to adjust the mounting height, the sealing cover and the square block are fixed by using the bolt at last, and the sealing body is compressed to seal when the glass tube flowmeter is fixed.
Preferably, after the welding of the block and the flange is completed and the block and the flange are cooled in step S2, the welding position is detected again by using the eddy current flaw detector, and the welding position is subjected to repair welding by additionally adding 20A basic current at the position corresponding to the welding position where the welding is not tight.
The invention has the technical effects and advantages that:
the stainless steel base can adjust the height of the glass tube base by rotating the glass tube base so as to tightly abut against the end part of the glass tube flowmeter, is convenient to install, can effectively adapt to the length error of the glass tube flowmeter, and has good sealing performance and convenient installation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional expanded structure of the present invention.
In the figure: 1. a bolt; 2. sealing the cover; 201. pressing a ring; 3. a glass tube seat; 301. a glass tube mounting groove; 4. a square block; 5. a connecting sleeve; 501. a limit convex ring; 502. a boss; 503. an internal thread groove; 6. a flange; 7. a seal body; 8. and a gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, the stainless steel base comprises a square block 4, a connecting sleeve 5 and a flange 6, wherein the square block 4 is welded and fixed at the upper end of the connecting sleeve 5, a limiting convex ring 501 is integrally arranged at the upper end of the connecting sleeve 5, the upper surface of the square block 4 abuts against the limiting convex ring 501, and the square block 4 is positioned by the limiting convex ring 501, which is beneficial to improving the welding precision.
The square block 4 is connected with a sealing cover 2 through a bolt 1, a pressing ring 201 is integrally arranged on the upper portion of an inner ring of the sealing cover 2, the lower surface of the pressing ring 201 is arranged in an inclined mode, and a sealing body 7 is sleeved in the pressing ring 201.
The inside internal thread groove 503 that is equipped with in 5 upper ends of connecting sleeve, there is glass tube socket 3 through threaded connection in the internal thread groove 503, through rotatory glass tube socket 3, can adjust the height of glass tube socket 3 to support the tip of tight glass pipe flowmeter, easy to assemble, upper portion is equipped with glass pipe mounting groove 301 in the glass tube socket 3, be equipped with sealed pad 8 in the glass pipe mounting groove 301, seal up the bottom of glass pipe flowmeter through sealed pad 8.
The bottom end of the connecting sleeve 5 is fixedly welded with a flange 6, the bottom end of the connecting sleeve 5 is provided with a boss 502, the flange 6 is sleeved on the boss 502, the flange 6 is used for being connected with a pipeline flange of a user, and a sealing ring groove is formed in the surface of the flange 6 and used for installing a sealing ring to prevent leakage.
A welding process of a stainless steel base comprises the following operation steps:
s1: the square block 4, the connecting sleeve 5 and the flange 6 are subjected to flaw detection by using an eddy current flaw detector, so that the quality of accessories is qualified, and the defective rate of products is reduced;
s2: welding, namely firstly sleeving a square block 4 on a connecting sleeve 5 and tightly abutting against a limiting convex ring 501, respectively welding the interface of the square block 4 and the connecting sleeve 5 by using a phi 3mm316 stainless steel wire at a basic current of 250A, naturally cooling, sleeving a flange 6 on a boss 502 of the connecting sleeve 5, respectively welding the interface of the flange 6 and the boss 502 by using the phi 3mm316 stainless steel wire at a basic current of 200A, naturally cooling, reserving, detecting a welding part by using an eddy current detector again, additionally adding 20A basic current to the welding part where the welding is not tight, and performing repair welding, so as to effectively ensure tight welding;
s3: surface treatment, namely grinding the welding position to enable the welding position to be in a smooth transition state, and polishing the surface of a welding body to enable the surface of the welding body to be bright;
s4: assembling, namely winding a sealing adhesive tape on the glass tube seat 3 and then screwing the glass tube seat into the internal thread groove 503, sealing the space between the glass tube seat 3 and the internal thread groove 503 through the sealing adhesive tape, then installing a sealing gasket 8 at the bottom in the glass tube installation groove 301, and sealing the end part of the glass tube flowmeter by adopting the sealing gasket 8;
s5: install seal 7 and overlap again on glass pipe flowmeter on the clamping ring 201 of closing cap 2, pack into glass pipe mounting groove 301 with glass pipe flowmeter's bottom, rotate glass pipe seat 3 and adjust the mounting height, use bolt 1 to fix closing cap 2 and square 4 at last, compress tightly seal 7 and seal when fixed to glass pipe flowmeter.
According to the stainless steel base, the square block 4, the connecting sleeve 5 and the flange 6 are welded into a whole, compared with the traditional casting process, energy can be effectively saved, the defective rate is reduced, the height of the glass tube base 3 can be adjusted by rotating the glass tube base 3, so that the end part of the glass tube flowmeter is tightly abutted, the stainless steel base is convenient to install, the length error of the glass tube flowmeter can be effectively adapted, the sealing performance is good, and the stainless steel base is convenient to install.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. A stainless steel base comprises a square block (4), a connecting sleeve (5) and a flange (6), and is characterized in that: the upper end welded fastening of connecting sleeve (5) has square (4), be connected with closing cap (2) through bolt (1) on square (4), connecting sleeve (5) upper end inside is equipped with internal thread groove (503), there is glass tube socket (3) through threaded connection in internal thread groove (503), the bottom welded fastening of connecting sleeve (5) has flange (6).
2. A stainless steel base according to claim 1, wherein: the upper end of the connecting sleeve (5) is integrally provided with a limiting convex ring (501), and the upper surface of the square block (4) abuts against the limiting convex ring (501).
3. A stainless steel base according to claim 1, wherein: the bottom end of the connecting sleeve (5) is provided with a boss (502), and the flange (6) is sleeved on the boss (502).
4. A stainless steel base according to claim 1, wherein: the glass tube is characterized in that a glass tube mounting groove (301) is formed in the upper portion of the glass tube seat (3), and a sealing gasket (8) is arranged in the glass tube mounting groove (301).
5. A stainless steel base according to claim 1, wherein: the sealing structure is characterized in that a pressing ring (201) is integrally arranged on the upper portion of the inner ring of the sealing cover (2), the lower surface of the pressing ring (201) is obliquely arranged, and a sealing body (7) is sleeved in the pressing ring (201).
6. A process for welding stainless steel bases according to any one of claims 1 to 5, characterized in that: the method comprises the following operation steps:
s1: flaw detection is carried out on the square block (4), the connecting sleeve (5) and the flange (6) by using an eddy current flaw detector, so that the quality of accessories is qualified;
s2: welding, namely firstly sleeving a square block (4) on a connecting sleeve (5) and abutting against a limit convex ring (501), respectively welding the interface of the square block (4) and the connecting sleeve (5) by using a phi 3mm316 stainless steel wire through 250A basic current, after natural cooling, sleeving a flange (6) on a boss (502) of the connecting sleeve (5), respectively welding the interface of the flange (6) and the boss (502) by using the phi 3mm316 stainless steel wire through 200A basic current, and naturally cooling for later use;
s3: surface treatment, namely grinding the welding position to enable the welding position to be in a smooth transition state, and polishing the surface of a welding body to enable the surface of the welding body to be bright;
s4: assembling, namely winding a sealing adhesive tape on the glass tube seat (3), screwing the sealing adhesive tape into the inner thread groove (503), and then installing the sealing gasket (8) at the bottom in the glass tube installation groove (301);
s5: the sealing body (7) is installed on a pressing ring (201) of the sealing cover (2) and then sleeved on the glass tube flowmeter, the bottom end of the glass tube flowmeter is installed in a glass tube installation groove (301), the glass tube seat (3) is rotated to adjust the installation height, finally the sealing cover (2) and the square block (4) are fixed through the bolt (1), and the sealing body (7) is compressed to seal when the glass tube flowmeter is fixed.
7. The welding process of the stainless steel base according to claim 1, wherein: and step S2, after the square block (4) and the flange (6) are welded and cooled, detecting the welding position by using the eddy current flaw detector again, and additionally adding 20A basic current to the corresponding welding position at the position where welding is not tight to perform repair welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010439447.4A CN113695839A (en) | 2020-05-22 | 2020-05-22 | Stainless steel base and welding process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010439447.4A CN113695839A (en) | 2020-05-22 | 2020-05-22 | Stainless steel base and welding process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113695839A true CN113695839A (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010439447.4A Pending CN113695839A (en) | 2020-05-22 | 2020-05-22 | Stainless steel base and welding process thereof |
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| Country | Link |
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| CN (1) | CN113695839A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2010050A1 (en) * | 1970-03-04 | 1971-09-23 | Miethke H | Device for fastening movable functional parts to valves and regulating devices |
| US4230234A (en) * | 1979-05-09 | 1980-10-28 | Taylor James B | Meter box assembly |
| CN201307029Y (en) * | 2008-12-05 | 2009-09-09 | 承德市本特顺达仪表有限公司 | A plug-type effusion meter adjusting apparatus |
| CN201331358Y (en) * | 2008-12-14 | 2009-10-21 | 江西铜业集团公司 | Glass rotameter capable of resisting leakage and corrosion |
| CN108766938A (en) * | 2018-06-07 | 2018-11-06 | 马鞍山中杰电子科技有限公司 | A kind of adjustable for height diode block |
| CN108801384A (en) * | 2018-06-08 | 2018-11-13 | 合肥利都自动化仪表有限公司 | It is a kind of that there is the spinner flowmeter for being directed laterally to plug |
| CN208847260U (en) * | 2018-10-25 | 2019-05-10 | 瑞大集团有限公司 | A kind of New rotameter device |
| CN110052864A (en) * | 2019-05-28 | 2019-07-26 | 华域视觉科技(上海)有限公司 | High-precision PETS part and reflecting mirror parts batch production labor clamps |
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| CN212095118U (en) * | 2020-05-22 | 2020-12-08 | 史益诚 | Stainless steel base |
-
2020
- 2020-05-22 CN CN202010439447.4A patent/CN113695839A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2010050A1 (en) * | 1970-03-04 | 1971-09-23 | Miethke H | Device for fastening movable functional parts to valves and regulating devices |
| US4230234A (en) * | 1979-05-09 | 1980-10-28 | Taylor James B | Meter box assembly |
| CN201307029Y (en) * | 2008-12-05 | 2009-09-09 | 承德市本特顺达仪表有限公司 | A plug-type effusion meter adjusting apparatus |
| CN201331358Y (en) * | 2008-12-14 | 2009-10-21 | 江西铜业集团公司 | Glass rotameter capable of resisting leakage and corrosion |
| CN108766938A (en) * | 2018-06-07 | 2018-11-06 | 马鞍山中杰电子科技有限公司 | A kind of adjustable for height diode block |
| CN108801384A (en) * | 2018-06-08 | 2018-11-13 | 合肥利都自动化仪表有限公司 | It is a kind of that there is the spinner flowmeter for being directed laterally to plug |
| CN208847260U (en) * | 2018-10-25 | 2019-05-10 | 瑞大集团有限公司 | A kind of New rotameter device |
| CN209264057U (en) * | 2018-12-29 | 2019-08-16 | 重庆联大仪表有限公司 | A kind of inserting-type flowmeter is connected and fixed device |
| CN110052864A (en) * | 2019-05-28 | 2019-07-26 | 华域视觉科技(上海)有限公司 | High-precision PETS part and reflecting mirror parts batch production labor clamps |
| CN212095118U (en) * | 2020-05-22 | 2020-12-08 | 史益诚 | Stainless steel base |
Non-Patent Citations (1)
| Title |
|---|
| 曾君;王振平;: "内衬不锈钢套筒现场组焊技术的改进方案及应用", 金属加工(热加工), no. 18, 20 September 2017 (2017-09-20) * |
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