CN112355881A - Grinding device of valve body grinding machine - Google Patents
Grinding device of valve body grinding machine Download PDFInfo
- Publication number
- CN112355881A CN112355881A CN202011052443.7A CN202011052443A CN112355881A CN 112355881 A CN112355881 A CN 112355881A CN 202011052443 A CN202011052443 A CN 202011052443A CN 112355881 A CN112355881 A CN 112355881A
- Authority
- CN
- China
- Prior art keywords
- grinding
- seat
- valve body
- transmission shaft
- grinding head
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/14—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by liquid or gas pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to a grinding device of a valve body grinding machine, which comprises a grinding seat, a grinding head and a rotary driving piece which is arranged on the grinding seat and drives the grinding head to rotate, wherein a transmission shaft which is in rotary driving fit with the grinding head is formed below the rotary driving piece along the vertical direction, and the grinding seat is provided with a lifting mechanism which enables the grinding head to intermittently lift in a valve body in the rotary grinding process. By adopting the scheme, the grinding device of the valve body grinding machine, which is provided by the invention, can avoid the situation of jamming in the grinding process, save the staff for monitoring the equipment and reduce the production burden of enterprises.
Description
Technical Field
The invention relates to the field of valve machining, in particular to a grinding device of a valve body grinding machine.
Background
Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like.
In order to ensure the sealing precision, the inner central part of the valve body needs to be ground in the valve machining process. The valve body grinding machine is used for grinding in a traditional mode, and comprises a rack, a grinding device and a lifting device, wherein the grinding device comprises a grinding seat, a grinding head and a rotary driving piece which is arranged on the grinding seat and drives the grinding head to rotate, and the lifting device is arranged on the rack and drives the grinding seat to ascend or descend so that the grinding head extends into or leaves a valve body to be processed.
The valve body of above-mentioned structure grinds machine and has certain drawback, the grinding head lasts the in-process of rotatory grinding after stretching into the valve body promptly, the dead condition of card easily appears, so every valve body grinds the machine and needs a staff to keep watch on the behavior of equipment at least, in time shut down when the dead condition of card takes place, avoid causing the damage of the inside sealed face of valve body, the monitoring process is not only boring and boring, and present human cost is higher, the monitoring process can cause staff's labour's waste, increase enterprise's production burden.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the grinding device of the valve body grinding machine, which avoids the occurrence of the blocking condition in the grinding process, saves the staff for monitoring the equipment and reduces the production burden of enterprises.
In order to achieve the purpose, the invention provides the following technical scheme: including grinding seat, grinding head and install in grinding the seat and drive the rotatory rotary driving spare of grinding head, rotary driving spare below constitute rotary drive complex transmission shaft, its characterized in that along vertical and grinding head: the grinding seat is provided with a lifting mechanism which enables the grinding head to intermittently lift in the valve body in the rotary grinding process.
Through adopting above-mentioned technical scheme, it is dead with the inside card of valve body to avoid lasting and the rotation of unidirectional to cause the grinding head, intermittent type goes up and down to help making the sweeps that remain between abrasive surface and the valve body inside on the one hand and drop, avoid dying because of the sweeps card, on the other hand helps the abrasive surface, avoid expend with heat and contract with cold to make the grinding head rise and tightly in the valve body, avoid dying because of the deformation card, guarantee that grinder's lasts, it is stable, long-time work, save the staff who monitors equipment, reduce enterprise's production burden.
The invention is further configured to: the lifting mechanism comprises a lifting oil cylinder fixed on the grinding seat, and a pushing part matched with the lifting oil cylinder in an upward pushing manner is arranged on the periphery of the transmission shaft.
Through adopting above-mentioned technical scheme, add the promotion hydro-cylinder, for setting up in the drive shaft periphery push away the top part and provide the drive power that rises to realize the function that the grinding head intermittently goes up and down in the valve body, the effort of promotion hydro-cylinder is sufficient and stable, satisfies grinding device's requirement.
The invention is further configured to: still including promoting power assisting mechanism, promotion power assisting mechanism including promoting helping hand seat, helping hand spring and adjusting nut, promotion helping hand seat be fixed in and grind the seat and encircle the transmission shaft, adjusting nut and promotion helping hand seat periphery be screw-thread fit and promote helping hand seat along transmission shaft axial displacement relatively, helping hand spring compress in adjusting nut top and push away between the top portion below, push away the top portion be provided with the annular installation part that extends to in the helping hand spring.
Through adopting above-mentioned technical scheme, in order to make the promotion action quick, stable and accurate, add and promote assist drive device, the weight of most grinding heads is used for offsetting to compressed assist spring, the promotion of transmission shaft can be realized to the promotion hydro-cylinder only need a small amount of drive power, in addition, by the compression degree with the adjusting nut who promotes assist drive seat screw-thread fit adjusts assist spring, thereby according to the grinding head of different masses, adjust lifting force size and its adaptation, avoid the too big or undersize of lifting force to influence stability, thereby improve the practicality.
The invention is further configured to: the grinding seat is provided with a limiting seat surrounding the transmission shaft, and the limiting seat is abutted against the upper part of the push top part when the transmission shaft is lifted to the highest position relative to the grinding seat.
Through adopting above-mentioned technical scheme, add spacing seat, avoid the transmission shaft to promote the back and vibrate repeatedly when making the transmission shaft promote all keep unanimous at every turn, improve operating stability.
The invention is further configured to: the rotary driving piece is a rotary oil cylinder.
Through adopting above-mentioned technical scheme, rotary drive all adopts hydraulic drive with the promotion drive, and on the one hand, drive power is sufficient and stable, and on the other hand simplifies the equipment drive structure, only need set up an oil tank cooperation oil supply line can.
The invention is further configured to: the grinding head is in a circular table shape with the small end facing, the side face of the circular table is used as a grinding face, the grinding head is in a hollow shape, and a hole communicated with the hollow part is formed in the side face of the grinding head.
By adopting the technical scheme, the hollow grinding head reduces the mass, reduces the processing cost, reduces the loads of the rotary oil cylinder and the lifting oil cylinder, and the holes are used for chip removal and heat dissipation, so that the probability of clamping is reduced.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
fig. 2 is an enlarged view of a in fig. 1.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in figures 1-2, the invention discloses a grinding device of a valve body grinding machine, which comprises a grinding seat 1, a grinding head 2 and a rotary driving part which is arranged on the grinding seat 1 and drives the grinding head 2 to rotate, wherein a transmission shaft 3 which is in rotary driving fit with the grinding head 2 is formed below the rotary driving part along the vertical direction, the grinding seat 1 is provided with a lifting mechanism which enables the grinding head 2 to be lifted and lowered intermittently in a valve body in the rotary grinding process, the grinding head 2 and the interior of the valve body are prevented from being stuck due to continuous and single-direction rotation, the intermittent lifting is beneficial to leading waste scraps remained between the grinding surface and the interior of the valve body to fall off and being stuck due to the waste scraps on one hand, the grinding surface is beneficial to avoiding the grinding head 2 from being tensioned in the valve body due to thermal expansion and cold contraction on the other hand, the phenomenon of being stuck due to deformation is avoided, the production burden of enterprises is reduced.
The lifting mechanism comprises a lifting oil cylinder 4 fixed on the grinding seat 1, a pushing part 31 matched with the lifting oil cylinder 4 in an upward pushing mode is arranged on the periphery of the transmission shaft 3, the lifting oil cylinder 4 is additionally arranged, a rising driving force is provided for the pushing part 31 arranged on the periphery of the transmission shaft 3, so that the function of intermittent lifting of the grinding head 2 in the valve body is realized, the acting force of the lifting oil cylinder 4 is sufficient and stable, the requirement of grinding equipment is met, a driving part of the lifting oil cylinder 4 is located inside a lifting power-assisted seat mentioned below, the pushing part 31 extends downwards to the inside of the lifting power-assisted seat and is matched with the driving part of the lifting oil cylinder 4, and the structure.
The polishing device also comprises a lifting power-assisted mechanism, the lifting power-assisted mechanism comprises a lifting power-assisted seat 5, a power-assisted spring 51 and an adjusting nut 52, the lifting power-assisted seat 5 is fixed on the polishing seat 1 and surrounds the transmission shaft 3, the adjusting nut 52 is in threaded fit with the periphery of the lifting power-assisted seat 5 and moves along the axial direction of the transmission shaft 3 relative to the lifting power-assisted seat 5, the power-assisted spring 51 is compressed between the upper part of the adjusting nut 52 and the lower part of the pushing top part 31, the pushing top part 31 is provided with an annular mounting part 32 extending into the power-assisted spring 51, in order to ensure that the lifting action is rapid, stable and accurate, the lifting power-assisted mechanism is additionally arranged, the compressed power-assisted spring 51 is used for offsetting the weight of most of the polishing head 2, the lifting oil cylinder 4 can realize the lifting of the transmission shaft 3 only by a small amount of driving force, in, the lifting force is adjusted to be matched with the lifting force, so that the stability is prevented from being influenced by too large or too small lifting force, and the practicability is improved.
Grind seat 1 and be provided with the spacing seat 11 that encircles transmission shaft 3, spacing seat 11 offsets with pushing away top portion 31 top when transmission shaft 3 grinds seat 1 and promote to the highest position relatively, adds spacing seat 11, avoids transmission shaft 3 to promote the back repeated vibration when all keeping unanimous in the promotion height of 3 at every turn of messenger's transmission shaft, improves operating stability.
The rotary driving piece is rotary oil cylinder 6, and rotary driving and lifting driving all adopt hydraulic drive, and on the one hand, drive power is sufficient and stable, and on the other hand simplifies the equipment driving structure, only need set up an oil tank cooperation oil supply pipeline can.
The grinding head 2 is in a circular table shape with the small end facing, the side face of the circular table is used as a grinding face 21, the grinding head 2 is in a hollow shape, a hole 22 communicated with the hollow portion is formed in the side face of the hollow grinding head 2, the mass of the hollow grinding head 2 is reduced, the processing cost is reduced, the loads of the rotary oil cylinder 6 and the lifting oil cylinder 4 are reduced, and the hole 22 is used for chip removal and heat dissipation, so that the probability of clamping is reduced.
Claims (6)
1. The utility model provides a grinder of valve body grinding machine, includes grinds seat, grinding head and installs in the rotatory rotary driving spare of grinding seat and drive grinding head, rotary driving spare below constitute rotation drive complex transmission shaft, its characterized in that along vertical and grinding head: the grinding seat is provided with a lifting mechanism which enables the grinding head to intermittently lift in the valve body in the rotary grinding process.
2. The grinding apparatus of the valve body grinder according to claim 1, wherein: the lifting mechanism comprises a lifting oil cylinder fixed on the grinding seat, and a pushing part matched with the lifting oil cylinder in an upward pushing manner is arranged on the periphery of the transmission shaft.
3. The grinding apparatus of the valve body grinder according to claim 2, wherein: still including promoting power assisting mechanism, promotion power assisting mechanism including promoting helping hand seat, helping hand spring and adjusting nut, promotion helping hand seat be fixed in and grind the seat and encircle the transmission shaft, adjusting nut and promotion helping hand seat periphery be screw-thread fit and promote helping hand seat along transmission shaft axial displacement relatively, helping hand spring compress in adjusting nut top and push away between the top portion below, push away the top portion be provided with the annular installation part that extends to in the helping hand spring.
4. The grinding apparatus of the valve body grinder according to claim 1, wherein: the grinding seat is provided with a limiting seat surrounding the transmission shaft, and the limiting seat is abutted against the upper part of the push top part when the transmission shaft is lifted to the highest position relative to the grinding seat.
5. The grinding apparatus of the valve body grinder according to claim 1, wherein: the rotary driving piece is a rotary oil cylinder.
6. The grinding apparatus of the valve body grinder according to claim 1, wherein: the grinding head is in a circular table shape with the small end facing, the side face of the circular table is used as a grinding face, the grinding head is in a hollow shape, and a hole communicated with the hollow part is formed in the side face of the grinding head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011052443.7A CN112355881B (en) | 2020-09-29 | 2020-09-29 | Grinding device of valve body grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011052443.7A CN112355881B (en) | 2020-09-29 | 2020-09-29 | Grinding device of valve body grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112355881A true CN112355881A (en) | 2021-02-12 |
| CN112355881B CN112355881B (en) | 2022-04-08 |
Family
ID=74506486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011052443.7A Active CN112355881B (en) | 2020-09-29 | 2020-09-29 | Grinding device of valve body grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112355881B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU963820A2 (en) * | 1980-12-29 | 1982-10-07 | Центральное Конструкторское Бюро Министерства Речного Флота Рсфср В Г.Горьком | Apparatus for lapping valves |
| JPH08281366A (en) * | 1995-04-06 | 1996-10-29 | Chubu Electric Power Co Inc | Drop hammer |
| CN201124339Y (en) * | 2007-12-18 | 2008-10-01 | 广东科达机电股份有限公司 | Roughing head of ceramic sheet |
| CN101966686A (en) * | 2010-10-19 | 2011-02-09 | 上海电气电站设备有限公司 | Grinding tool and grinding method for reheating main valve seat of steam turbine |
| CN205870258U (en) * | 2016-06-29 | 2017-01-11 | 大唐长春第二热电有限责任公司 | Turning of disk seat manual -automatic , grinder |
| CN206416027U (en) * | 2017-01-16 | 2017-08-18 | 四川精控阀门制造有限公司 | The planer-type conical surface surges grinder |
| CN110450015A (en) * | 2019-09-10 | 2019-11-15 | 上海科科阀门集团有限公司 | A kind of butterfly valve seat grinding device |
| CN210010791U (en) * | 2019-04-28 | 2020-02-04 | 浙江海洋大学 | Air valve grinding device |
| CN210209802U (en) * | 2019-06-10 | 2020-03-31 | 浙江旋东阀门有限公司 | Cock valve grinding machine |
| CN210499745U (en) * | 2019-09-16 | 2020-05-12 | 上海科科阀门集团有限公司 | Butterfly valve sealing washer grinder |
-
2020
- 2020-09-29 CN CN202011052443.7A patent/CN112355881B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU963820A2 (en) * | 1980-12-29 | 1982-10-07 | Центральное Конструкторское Бюро Министерства Речного Флота Рсфср В Г.Горьком | Apparatus for lapping valves |
| JPH08281366A (en) * | 1995-04-06 | 1996-10-29 | Chubu Electric Power Co Inc | Drop hammer |
| CN201124339Y (en) * | 2007-12-18 | 2008-10-01 | 广东科达机电股份有限公司 | Roughing head of ceramic sheet |
| CN101966686A (en) * | 2010-10-19 | 2011-02-09 | 上海电气电站设备有限公司 | Grinding tool and grinding method for reheating main valve seat of steam turbine |
| CN205870258U (en) * | 2016-06-29 | 2017-01-11 | 大唐长春第二热电有限责任公司 | Turning of disk seat manual -automatic , grinder |
| CN206416027U (en) * | 2017-01-16 | 2017-08-18 | 四川精控阀门制造有限公司 | The planer-type conical surface surges grinder |
| CN210010791U (en) * | 2019-04-28 | 2020-02-04 | 浙江海洋大学 | Air valve grinding device |
| CN210209802U (en) * | 2019-06-10 | 2020-03-31 | 浙江旋东阀门有限公司 | Cock valve grinding machine |
| CN110450015A (en) * | 2019-09-10 | 2019-11-15 | 上海科科阀门集团有限公司 | A kind of butterfly valve seat grinding device |
| CN210499745U (en) * | 2019-09-16 | 2020-05-12 | 上海科科阀门集团有限公司 | Butterfly valve sealing washer grinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112355881B (en) | 2022-04-08 |
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