CN114833525B - Valve rod inverted sealing surface roll finishing device and use method thereof - Google Patents
Valve rod inverted sealing surface roll finishing device and use method thereof Download PDFInfo
- Publication number
- CN114833525B CN114833525B CN202210367760.0A CN202210367760A CN114833525B CN 114833525 B CN114833525 B CN 114833525B CN 202210367760 A CN202210367760 A CN 202210367760A CN 114833525 B CN114833525 B CN 114833525B
- Authority
- CN
- China
- Prior art keywords
- sealing surface
- circular base
- cross rod
- valve rod
- half hoop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007789 sealing Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000005096 rolling process Methods 0.000 abstract description 14
- 239000000463 material Substances 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 244000137852 Petrea volubilis Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- 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
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
- B23P9/02—Treating or finishing by applying pressure, e.g. knurling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a valve rod inverted sealing surface roll finishing device and a use method thereof, comprising the following steps: a circular base; the circular opening part is arranged in the center of the circular base; the air bag is arranged in the circular opening part and is conformally matched with the circular opening part; the left upright post is positioned at the left side of the circular base; the left cross rod, one end of the left cross rod is connected with the left upright post, and the other end of the left cross rod points to the center of the circular base; the left half hoop is connected with the left cross rod, and the left cross rod can drive the left half hoop to horizontally move; the right upright post is positioned on the right side of the circular base; the right cross rod, one end of the right cross rod is connected with the right upright post, and the other end of the right cross rod points to the center of the circular base; and a right half hoop. The utility model has the advantages that the valve rod is fixed, the round base rotates, the rolling stability is ensured, the inclined plane can be adjusted according to the inverted sealing surface of the valve rod, so as to be maximally attached to the inverted sealing surface, and the utility model can be suitable for processing the inverted sealing surfaces of the valve rods with different sizes and types.
Description
Technical Field
The utility model relates to a valve rod machining device, in particular to a valve rod reverse sealing surface roll finishing device and a use method thereof.
Background
At present, when valve manufacturing enterprises produce valve products such as gate valves, stop valves and the like, the problem of leakage caused by the problems of surface roughness, surface hardness and concentricity of the valve rod inverted sealing surface is a great problem which puzzles the whole valve industry, and each valve manufacturing enterprise can put in great manpower and material resources to repair the inverted sealing surface, such as re-processing on a machine tool and polishing with sand paper, so as to reduce the surface roughness of the valve rod inverted sealing surface and improve the surface hardness of the valve rod inverted sealing surface by high-frequency quenching. Although this trimming can solve the problem at that time, it is slow and costly.
Chinese patent publication No. CN101380707B discloses a valve rod reverse sealing surface roll finishing device and apparatus, which comprises a three-jaw chuck and three rolling wheels, the rotation axes of the rolling wheels are respectively parallel to the central axis of the three-jaw chuck and uniformly distributed on each jaw along the circumference of the three-jaw chuck, and the tops of the rolling wheels are respectively in a shape of a round table with a small top and a large bottom. The utility model also provides valve rod inverted sealing surface rolling equipment, which comprises a common drilling machine and a valve rod inverted sealing surface rolling device arranged on a supporting plate in the movement of the common drilling machine. When the valve rod workpiece is used, the inverted sealing surface of the valve rod workpiece is downwards arranged on the valve rod inverted sealing surface roll finishing device to be matched with the round table-shaped outer surface of the rolling wheels, the valve rod rotates along with the lifting shaft of a common drilling machine, and simultaneously, the three rolling wheels also rotate to roll finish the inverted sealing surface of the valve rod workpiece, and meanwhile, the surface hardness of the inverted sealing surface is also increased. The rolling device and the equipment drive the three rolling wheels to rotate by utilizing the rotation of the valve rod, and as the valve rod is a slender piece, the stability is difficult to ensure during rotation, if the rolling effect is influenced by the inclination, the round table-shaped surfaces of the three rolling wheels are fixed, the inclination angles of the inverted sealing surfaces of the valve rods with different sizes are different, and the inverted sealing of each valve rod cannot be guaranteed to be matched with the round table-shaped surfaces of the rolling wheels.
Disclosure of Invention
The utility model aims to solve the technical problems that the roll finishing stability of the existing valve rod reverse sealing surface device cannot be ensured, and the existing valve rod reverse sealing surface device cannot be suitable for processing different types of valve rod reverse sealing surfaces.
The technical scheme of the utility model is as follows: valve rod reverse seal face roll finishing device includes: a circular base; the circular opening part is arranged in the center of the circular base; the air bag is arranged in the circular opening part and is conformally matched with the circular opening part; the left upright post is positioned at the left side of the circular base; the left cross rod, one end of the left cross rod is connected with the left upright post, and the other end of the left cross rod points to the center of the circular base; the left half hoop is connected with the left cross rod, and the left cross rod can drive the left half hoop to horizontally move; the right upright post is positioned on the right side of the circular base; the right cross rod, one end of the right cross rod is connected with the right upright post, and the other end of the right cross rod points to the center of the circular base; the right half hoop is connected with the right cross rod, and the right cross rod can drive the right half hoop to horizontally move; the upper end of the inclined plane is hinged with the left half hoop and/or the right half hoop, and the lower end of the inclined plane is hinged with the air bag.
The improvement of the scheme is that the left upright post is in threaded connection with the circular base.
A further improvement of the scheme is that the right upright post is in threaded connection with the circular base.
In the scheme, the left cross rod and the right cross rod are telescopic rods.
According to the scheme, the circular base is provided with the inflation inlet, and the inflation inlet is communicated with the air bag through a pipeline laid in the circular base.
In the scheme, the round base is driven to rotate by the driving mechanism.
In the scheme, the driving mechanism comprises a driving wheel and a belt, and the driving wheel drives the circular base through the belt.
In the above scheme, the driving mechanism comprises driving wheels with first gears uniformly distributed on the outer surfaces, and second gears meshed with the first gears are uniformly distributed on the outer surfaces of the circular bases.
In the scheme, the inclined plane is provided with a plurality of sheets which are distributed on the upper surface of the air bag at intervals.
The application method of the valve rod inverted sealing surface roll finishing device comprises the following steps: the valve rod is inserted into the air bag, one end of the valve rod is fixed by the fixing mechanism, the inverted sealing surface of the valve rod is positioned between the air bag and a plane formed by the left half hoop and the right half hoop, the air bag is inflated, one end of the inverted sealing surface of the valve rod is clamped by the air bag, the left cross rod and the right cross rod are moved to enable the left half hoop and the right half hoop to move in opposite directions to clamp the other end of the inverted sealing surface of the valve rod, the inclined surface is attached to the inverted sealing surface of the valve rod, the circular base is rotated, and the inclined surface rotates around the inverted sealing surface of the valve rod to roll the valve rod.
The utility model has the advantages that the valve rod is fixed, the round base rotates, the rolling stability is ensured, the inclined plane can be adjusted according to the inverted sealing surface of the valve rod, so as to be maximally attached to the inverted sealing surface, and the utility model can be suitable for processing the inverted sealing surfaces of the valve rods with different sizes and types.
Drawings
FIG. 1 is a schematic illustration of a valve stem reverse seal face roll finishing apparatus according to one embodiment of the present utility model;
FIG. 2 is a schematic illustration of a valve stem reverse seal face roll finishing apparatus of another embodiment of the present utility model;
FIG. 3 is a schematic view of the circular base of FIG. 1 in use;
in the figure, 1, a circular base, 2, an air bag, 3, a left upright post, 4, a left cross bar, 5, a left half hoop, 6, a right upright post, 7, a right cross bar, 8, a right half hoop, 9, an inclined plane, 10, an inflation inlet, 11, a driving wheel, 12, a belt, 13 and a roller.
Description of the embodiments
The technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. Based on the embodiments of the present utility model, all other embodiments of the utility model are within the scope of the present utility model for those of ordinary skill in the art without making any inventive effort.
Example 1: as shown in fig. 1, the valve stem reverse sealing surface roll finishing device comprises: a circular base 1; the circular opening part is arranged in the center of the circular base; an airbag 2 provided in the circular opening portion and conformally matched with the circular opening portion; the left upright post 3 is positioned at the left side of the circular base; the left cross rod 4, one end of the left cross rod is connected with the left upright post, and the other end of the left cross rod points to the center of the circular base; the left half hoop 5 is connected with the left cross rod, and the left cross rod can drive the left half hoop to horizontally move; a right upright 6 positioned on the right side of the circular base; the right cross rod 7, one end of the right cross rod is connected with the right upright post, and the other end of the right cross rod points to the center of the circular base; the right half hoop 8 is connected with the right cross rod, and the right cross rod can drive the right half hoop to horizontally move; and the upper end of the inclined plane 9 is hinged with the left half hoop and/or the right half hoop, and the lower end of the inclined plane is hinged with the air bag.
The left upright post, the right upright post, the left cross rod, the right cross rod, the left half hoop and the right half hoop are in one-to-one correspondence, are symmetrically distributed on the left side and the right side of the circular base about the center of the circular base, can reliably clamp valve rods with different sizes, and can be folded into a circle to surround the outer surface of the valve rod in a clamping state or can be an open ring to surround the outer surface of the valve rod. The left upright post and the right upright post are respectively fixedly connected with the round base, the left cross rod and the right cross rod are telescopic rods, and the interval between the left half hoop and the right half hoop is adjusted through telescopic operation. The inclined plane is a rigid material, and can roll finish the reverse sealing surface of the valve rod. For example, the inclined surface may be made of metal, a material having elasticity such as plastic, and a flexible material such as sand paper. The inclined plane can be a whole which completely wraps the reverse sealing surface of the valve rod, or a plurality of inclined planes which are distributed on the surface of the reverse sealing surface of the valve rod at intervals.
The valve stem reverse sealing surface roll finishing device can be driven by a driving mechanism to rotate the circular base, and the driving mechanism can be a driving wheel 11 and a belt 12, wherein the driving wheel drives the circular base through the belt.
Example 2: the difference with embodiment 1 is that the left upright post and the right upright post are respectively in threaded connection with the circular base, namely, the circular base is provided with an internal threaded hole, and the left upright post and the right upright post are provided with external threads, so that the left upright post and the right upright post can be adjusted up and down.
As shown in fig. 2, the valve rod inverted sealing surface roll finishing device can be driven by a driving mechanism, the driving mechanism comprises rollers 13, the outer surfaces of the rollers are uniformly distributed with first gears, the outer surfaces of the circular bases are uniformly distributed with second gears meshed with the first gears, and the rollers 13 drive the circular bases to rotate.
In order to be convenient for adjust the size of gasbag to the valve rod of adaptation different sizes, be equipped with inflation inlet 10 on the circular base, inflation inlet communicates with the gasbag through laying the pipeline in the circular base. When the valve rod is thick, the air bag can be in an unsaturated inflation state, and when the valve rod is thin, the air bag is in a saturated inflation state.
As shown in fig. 3, the method of use comprises the steps of: the valve rod is inserted into the air bag, one end of the valve rod is fixed by the fixing mechanism, the inverted sealing surface of the valve rod is positioned between the air bag and a plane formed by the left half hoop and the right half hoop, the air bag is inflated, one end of the inverted sealing surface of the valve rod is clamped by the air bag, the left cross rod and the right cross rod are moved to enable the left half hoop and the right half hoop to move in opposite directions to clamp the other end of the inverted sealing surface of the valve rod, the inclined surface is attached to the inverted sealing surface of the valve rod, the circular base is rotated by the driving mechanism, and the inclined surface rotates around the inverted sealing surface of the valve rod to roll the valve rod.
Claims (10)
1. Valve rod reverse seal face roll finishing device, characterized by: comprising the following steps: a circular base (1); the circular opening part is arranged in the center of the circular base; an air bag (2) which is arranged in the circular opening part and is conformally matched with the circular opening part; a left upright post (3) positioned at the left side of the circular base; the left cross rod (4) is connected with the left upright post at one end and the other end points to the center of the circular base; the left half hoop (5) is connected with the left cross rod, and the left cross rod can drive the left half hoop to horizontally move; the right upright post (6) is positioned on the right side of the circular base; the right cross rod (7) is connected with the right upright post at one end and the other end points to the center of the circular base; the right half hoop (8) is connected with the right cross rod, and the right cross rod can drive the right half hoop to horizontally move; and the upper end of the inclined plane (9) is hinged with the left half hoop and/or the right half hoop, and the lower end of the inclined plane is hinged with the air bag.
2. The valve stem reverse sealing surface roll finishing device of claim 1, wherein: the left upright post is in threaded connection with the circular base.
3. The valve stem reverse sealing surface roll finishing device of claim 1, wherein: the right upright post is in threaded connection with the circular base.
4. The valve stem reverse sealing surface roll finishing device of claim 1, wherein: the left cross bar and the right cross bar are telescopic bars.
5. The valve stem reverse sealing surface roll finishing device of claim 1, wherein: the circular base is provided with an inflation inlet (10), and the inflation inlet is communicated with the air bag through a pipeline laid in the circular base.
6. The valve stem reverse sealing surface roll finishing device of claim 1, wherein: the circular base is driven to rotate by a driving mechanism.
7. The valve stem reverse sealing surface roll finishing device of claim 6, wherein: the driving mechanism comprises a driving wheel (11) and a belt (12), and the driving wheel is used for transmitting the circular base through the belt.
8. The valve stem reverse sealing surface roll finishing device of claim 6, wherein: the driving mechanism comprises rollers (13) with first gears uniformly distributed on the outer surface, and second gears meshed with the first gears are uniformly distributed on the outer surface of the circular base.
9. The valve stem reverse sealing surface roll finishing device of claim 1, wherein: the inclined plane is provided with a plurality of sheets which are distributed on the upper surface of the air bag at intervals.
10. A method of using a valve stem reverse seal surface roll finishing apparatus as defined in any one of claims 1-9, wherein: the method comprises the following steps: the valve rod is inserted into the air bag, one end of the valve rod is fixed by the fixing mechanism, the inverted sealing surface of the valve rod is positioned between the air bag and a plane formed by the left half hoop and the right half hoop, the air bag is inflated, one end of the inverted sealing surface of the valve rod is clamped by the air bag, the left cross rod and the right cross rod are moved to enable the left half hoop and the right half hoop to move in opposite directions to clamp the other end of the inverted sealing surface of the valve rod, the inclined surface is attached to the inverted sealing surface of the valve rod, the circular base is rotated, and the inclined surface rotates around the inverted sealing surface of the valve rod to roll the valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210367760.0A CN114833525B (en) | 2022-04-08 | 2022-04-08 | Valve rod inverted sealing surface roll finishing device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210367760.0A CN114833525B (en) | 2022-04-08 | 2022-04-08 | Valve rod inverted sealing surface roll finishing device and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114833525A CN114833525A (en) | 2022-08-02 |
| CN114833525B true CN114833525B (en) | 2023-08-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210367760.0A Active CN114833525B (en) | 2022-04-08 | 2022-04-08 | Valve rod inverted sealing surface roll finishing device and use method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN114833525B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101380707A (en) * | 2008-10-17 | 2009-03-11 | 朱志远 | Valve-rod inverse sealing face burnishing equipment and device |
| CN201511232U (en) * | 2009-08-21 | 2010-06-23 | 朱志远 | Valve rod mirror surface barreling forming machine |
| WO2015142224A1 (en) * | 2014-03-20 | 2015-09-24 | Александр Владимирович ГОЛУБЯТНИКОВ | Device for rounding edges of i-beam |
| CN204735909U (en) * | 2015-07-08 | 2015-11-04 | 大连昊寅机械有限公司 | Edge knurling machine's work piece centre gripping tool |
| CN206689676U (en) * | 2017-04-11 | 2017-12-01 | 济南大学 | A kind of lathe workpiece surface rolling device |
| CN207099947U (en) * | 2017-08-31 | 2018-03-16 | 宋刚坚 | Tree device is protected in a kind of gardens |
| WO2019020238A1 (en) * | 2017-07-28 | 2019-01-31 | Gühring KG | Roller burnishing tool |
| CN109303597A (en) * | 2018-11-16 | 2019-02-05 | 黄涛 | A kind of laparoscope puncture instrument protective device |
| CN109773460A (en) * | 2019-03-19 | 2019-05-21 | 安阳工学院 | A kind of differential bearing press-in device and application method |
| CN111515614A (en) * | 2020-04-30 | 2020-08-11 | 襄阳丰正汽车配件制造有限公司 | Hub shaft tube rolling device |
| CN212946339U (en) * | 2020-06-08 | 2021-04-13 | 青岛泷友制盖有限公司 | Novel annular knurl incision all-in-one |
| CN214783323U (en) * | 2021-04-15 | 2021-11-19 | 中交第二航务工程局有限公司 | Elastic inner corrugated steel hoop with locking and confining pressure adjusting functions |
-
2022
- 2022-04-08 CN CN202210367760.0A patent/CN114833525B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101380707A (en) * | 2008-10-17 | 2009-03-11 | 朱志远 | Valve-rod inverse sealing face burnishing equipment and device |
| CN201511232U (en) * | 2009-08-21 | 2010-06-23 | 朱志远 | Valve rod mirror surface barreling forming machine |
| WO2015142224A1 (en) * | 2014-03-20 | 2015-09-24 | Александр Владимирович ГОЛУБЯТНИКОВ | Device for rounding edges of i-beam |
| CN204735909U (en) * | 2015-07-08 | 2015-11-04 | 大连昊寅机械有限公司 | Edge knurling machine's work piece centre gripping tool |
| CN206689676U (en) * | 2017-04-11 | 2017-12-01 | 济南大学 | A kind of lathe workpiece surface rolling device |
| WO2019020238A1 (en) * | 2017-07-28 | 2019-01-31 | Gühring KG | Roller burnishing tool |
| CN207099947U (en) * | 2017-08-31 | 2018-03-16 | 宋刚坚 | Tree device is protected in a kind of gardens |
| CN109303597A (en) * | 2018-11-16 | 2019-02-05 | 黄涛 | A kind of laparoscope puncture instrument protective device |
| CN109773460A (en) * | 2019-03-19 | 2019-05-21 | 安阳工学院 | A kind of differential bearing press-in device and application method |
| CN111515614A (en) * | 2020-04-30 | 2020-08-11 | 襄阳丰正汽车配件制造有限公司 | Hub shaft tube rolling device |
| CN212946339U (en) * | 2020-06-08 | 2021-04-13 | 青岛泷友制盖有限公司 | Novel annular knurl incision all-in-one |
| CN214783323U (en) * | 2021-04-15 | 2021-11-19 | 中交第二航务工程局有限公司 | Elastic inner corrugated steel hoop with locking and confining pressure adjusting functions |
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| Publication number | Publication date |
|---|---|
| CN114833525A (en) | 2022-08-02 |
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Denomination of invention: Rolling device for valve stem sealing surface and its usage method Granted publication date: 20230815 Pledgee: Agricultural Bank of China Limited Tongling Development Zone Branch Pledgor: Tongling Shanhai Intelligent Manufacturing Co.,Ltd. Registration number: Y2024980002110 |