CN114833525A - Valve rod reverse sealing surface roll finishing device and using method thereof - Google Patents
Valve rod reverse sealing surface roll finishing device and using method thereof Download PDFInfo
- Publication number
- CN114833525A CN114833525A CN202210367760.0A CN202210367760A CN114833525A CN 114833525 A CN114833525 A CN 114833525A CN 202210367760 A CN202210367760 A CN 202210367760A CN 114833525 A CN114833525 A CN 114833525A
- Authority
- CN
- China
- Prior art keywords
- circular base
- valve rod
- half hoop
- cross rod
- upright post
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000005096 rolling process Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 244000137852 Petrea volubilis Species 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000004519 manufacturing process 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
- 238000009966 trimming Methods 0.000 description 1
Images
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 invention discloses a valve rod inverted sealing surface roll finishing device and a using method thereof, wherein the valve rod inverted sealing surface roll finishing device comprises: a circular base; the round opening part is arranged in the center of the round base; the air bag is arranged in the circular opening part and is matched with the circular opening part in a conformal manner; the left upright post is positioned on the left side of the circular base; 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 a 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; 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 invention has the advantages that the valve rod is fixed, the circular base rotates, the stability of the barreling is ensured, the inclined plane can be adjusted according to the inverted sealing surface of the valve rod so as to fit the inverted sealing surface to the maximum extent, and the invention can be suitable for processing inverted sealing surfaces of valve rods with different sizes and types.
Description
Technical Field
The invention relates to a valve rod processing device, in particular to a valve rod reverse sealing surface roll finishing device and a using 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 inverted sealing surface of the valve rod is a big problem which puzzles the whole valve industry, and various valve manufacturers can put great manpower and material resources into finishing the inverted sealing surface, for example, processing on a machine tool again and polishing with sand paper so as to reduce the surface roughness of the inverted sealing surface of the valve rod, and improve the surface hardness of the inverted sealing surface of the valve rod by high-frequency quenching. Although the problems at that time can be solved by such trimming, the speed is slow and the cost is high.
Chinese utility model patent publication No. CN101380707B discloses a valve rod sealing face roller burnishing device and equipment, it includes three-jaw chuck and three rolling wheel, and the rotation axis of rolling wheel is parallel with the central axis of three-jaw chuck respectively and sets up on each jack catch along the circumference equipartition of three-jaw chuck, and the top of rolling wheel is big end down's round platform form respectively. The invention also provides valve rod reverse sealing surface roll finishing equipment which comprises a common drilling machine and a valve rod reverse sealing surface roll finishing device arranged on the movable middle supporting plate of the common drilling machine. When the device 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 circular table-shaped outer surfaces of the rolling wheels, the three rolling wheels rotate when the valve rod rotates along with a lifting shaft of a common drilling machine, the inverted sealing surface of the valve rod workpiece is rolled, and meanwhile, the surface hardness of the inverted sealing surface is increased. This roller burnishing device and equipment utilize the rotation of valve rod to drive the rotation of three roller burnishing wheels, because the valve rod is elongated, hardly guarantees stability during the rotation, if the slope can influence the roller burnishing effect appear, the round platform form surface of three roller burnishing wheels is fixed in addition, and its inclination of falling the sealed face of the valve rod of unidimensional not is also different, can't guarantee that the falling sealed of every kind of valve rod can both coincide with the round platform form surface of roller burnishing wheel.
Disclosure of Invention
The invention aims to solve the technical problems that the stability of the roll finishing of the existing valve rod reverse sealing surface device cannot be ensured, and the device cannot adapt to the processing of different types of valve rod reverse sealing surfaces, so that the roll finishing device for the valve rod reverse sealing surfaces and the use method thereof are provided.
The technical scheme of the invention is as follows: valve rod sealing face barrelling is put includes: a circular base; the round opening part is arranged in the center of the round base; the air bag is arranged in the circular opening part and is matched with the circular opening part in a conformal manner; the left upright post is positioned on the left side of the circular base; 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 a 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; 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 a right cross bar, and the right cross bar can drive the right half hoop to move horizontally; 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.
The further improvement of the scheme is that the right upright post is in threaded connection with the round base.
In the scheme, the left cross rod and the right cross rod are telescopic rods.
The further improvement of the proposal is that the round base is provided with an inflation inlet which is communicated with the air bag through a pipeline laid in the round base.
In the scheme, the circular base is driven to rotate by the driving mechanism.
In the above 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 a driving wheel 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.
In the scheme, the inclined plane is provided with a plurality of pieces which are distributed on the upper surface of the air bag at intervals.
The use method of the valve rod reverse sealing surface roll finishing device comprises the following steps: insert the valve rod in the gasbag, the one end of valve rod is fixed to it with fixed establishment, the sealed face of falling of valve rod is located between the plane that gasbag and left half hoop and right half hoop constitute, aerify the gasbag, make the gasbag centre gripping the one end of the sealed face of falling of valve rod, remove left horizontal pole and right horizontal pole and make left half hoop and right half hoop move the other end of the sealed face of falling of centre gripping valve rod in opposite directions, the inclined plane will laminate with the sealed face of falling of valve rod, rotate circular base, the inclined plane will be around the sealed face rotation of falling of valve rod and polish it.
The invention has the advantages that the valve rod is fixed, the circular base rotates, the stability of the roll finishing is ensured, the inclined plane can be adjusted according to the inverted sealing surface of the valve rod so as to be attached to the inverted sealing surface to the maximum extent, and the invention can be suitable for processing inverted sealing surfaces of valve rods with different sizes and types.
Drawings
FIG. 1 is a schematic view of a valve stem reverse seal surface roll finishing apparatus according to one embodiment of the present invention;
FIG. 2 is a schematic view of a valve stem reverse seal surface roll finishing apparatus according to another embodiment of the present invention;
FIG. 3 is a schematic view of the circular base of FIG. 1 in use;
in the figure, the device comprises a circular base 1, an air bag 2, a left upright post 3, a left cross bar 4, a left half hoop 5, a left upright post 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.
Detailed Description
The technical scheme in the embodiment of the invention is clearly and completely described below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. Based on the embodiments of the present invention, all other embodiments without creative efforts of those skilled in the art are within the protection scope of the present invention.
Example 1: as shown in fig. 1, the valve stem reverse sealing surface roll finishing device includes: a circular base 1; the round opening part is arranged in the center of the round base; the air bag 2 is arranged in the circular opening part and is matched with the circular opening part in a conformal manner; the left upright post 3 is positioned on the left side of the circular base; 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 a 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; 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 a right cross bar, and the right cross bar can drive the right half hoop to move horizontally; 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 left upright post and the right upright post, the left cross bar and the right cross bar, and the left half hoop and the right half hoop are in one-to-one correspondence, and are symmetrically distributed on the left side and the right side of the circular base relative to the center of the circular base, the left half hoop and the right half hoop can reliably clamp valve rods with different sizes, and the left half hoop and the right half hoop can be folded into a circle to surround the outer surface of the valve rod in a clamping state, and can also be opened to surround the outer surface of the valve rod in an annular manner. The left upright post and the right upright post are fixedly connected with the circular base respectively, the left cross rod and the right cross rod are telescopic rods, and the space between the left half hoop and the right half hoop is adjusted through stretching. The inclined plane is made of rigid material and can roll and polish the reverse sealing surface of the valve rod. For example, the bevel may be made of metal, the bevel may be made of elastic material such as plastic, and the bevel may be made of flexible material such as sand paper. The inclined plane can be a whole body which completely wraps the reverse sealing surface of the valve rod, or can be a plurality of inclined planes which are distributed on the surface of the reverse sealing surface of the valve rod at intervals.
The valve rod inverted sealing surface roll finishing device can be driven by a driving mechanism to rotate the circular base, wherein the driving mechanism can be a driving wheel 11 and a belt 12, and the driving wheel drives the circular base through the belt.
Example 2: the difference with embodiment 1 lies in left stand, right stand respectively with circular base threaded connection, have seted up the internal thread hole on circular base, left stand and right stand are equipped with the external screw thread, and left stand and right stand can be adjusted from top to bottom like this.
As shown in fig. 2, the valve rod reverse sealing surface roll finishing device may be driven by a driving mechanism, the driving mechanism includes a roller 13 having a first gear uniformly distributed on an outer surface thereof, a second gear engaged with the first gear is uniformly distributed on an outer surface of the circular base, and the circular base is driven to rotate by the roller 13.
In order to adjust the size of the air bag conveniently and adapt to valve rods with different sizes, an inflation inlet 10 is arranged on the circular base and is communicated with the air bag through a pipeline laid in the circular base. When the valve rod is thick, the air bag can be in a non-saturated 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: insert the valve rod in the gasbag, the one end of valve rod is fixed to it with fixed establishment, the sealed face of falling of valve rod is located between the plane that gasbag and left half hoop and right half hoop constitute, inflate the gasbag, make the gasbag centre gripping the one end of the sealed face of falling of valve rod, remove left horizontal pole and right horizontal pole and make left half hoop and right half hoop move the other end of the sealed face of falling of centre gripping valve rod in opposite directions, the inclined plane will laminate with the sealed face of falling of valve rod, rotate circular base through actuating mechanism, the inclined plane will be around the sealed face rotation of falling of valve rod and polish it.
Claims (10)
1. Valve rod sealing face barrelling is put, characterized by: the method comprises the following steps: a circular base (1); the round opening part is arranged in the center of the round base; the air bag (2) is arranged in the circular opening part and is matched with the circular opening part in a conformal manner; the left upright post (3) is positioned on the left side of the circular base; 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 a 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; 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 bar, and the right cross bar can drive the right half hoop to move horizontally; 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.
2. The stem roll finishing apparatus of claim 1, wherein: the left upright post is in threaded connection with the circular base.
3. The stem roll finishing apparatus of claim 1, wherein: and the right upright post is in threaded connection with the circular base.
4. The stem roll finishing apparatus of claim 1, wherein: the left cross rod and the right cross rod are telescopic rods.
5. The stem roll finishing apparatus of claim 1, wherein: the round base is provided with an inflation inlet (10), and the inflation inlet is communicated with the air bag through a pipeline laid in the round base.
6. The stem roll finishing apparatus of claim 1, wherein: the circular base is driven to rotate by a driving mechanism.
7. The stem roll finishing apparatus of claim 6, wherein: the driving mechanism comprises a driving wheel (11) and a belt (12), and the driving wheel drives the circular base through the belt.
8. The stem roll finishing apparatus 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 stem roll finishing apparatus of claim 1, wherein: the inclined plane is provided with a plurality of pieces which are distributed on the upper surface of the air bag at intervals.
10. The use method of the valve stem reverse sealing surface roll finishing device according to any one of claims 1 to 9, characterized by comprising the following steps: the method comprises the following steps: insert the valve rod in the gasbag, the one end of valve rod is fixed to it with fixed establishment, the sealed face of falling of valve rod is located between the plane that gasbag and left half hoop and right half hoop constitute, aerify the gasbag, make the gasbag centre gripping the one end of the sealed face of falling of valve rod, remove left horizontal pole and right horizontal pole and make left half hoop and right half hoop move the other end of the sealed face of falling of centre gripping valve rod in opposite directions, the inclined plane will laminate with the sealed face of falling of valve rod, rotate circular base, the inclined plane will be around the sealed face rotation of falling of valve rod and polish it.
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 true CN114833525A (en) | 2022-08-02 |
| CN114833525B CN114833525B (en) | 2023-08-15 |
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| 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 |
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| 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 |
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| CN114833525B (en) | 2023-08-15 |
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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 |