WO2018058772A1 - Machine for grinding and polishing safety valve flap by means of magnetic fluid and polishing method - Google Patents

Machine for grinding and polishing safety valve flap by means of magnetic fluid and polishing method Download PDF

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Publication number
WO2018058772A1
WO2018058772A1 PCT/CN2016/106853 CN2016106853W WO2018058772A1 WO 2018058772 A1 WO2018058772 A1 WO 2018058772A1 CN 2016106853 W CN2016106853 W CN 2016106853W WO 2018058772 A1 WO2018058772 A1 WO 2018058772A1
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WO
WIPO (PCT)
Prior art keywords
safety valve
magnetic fluid
valve flap
grinding
abrasive
Prior art date
Application number
PCT/CN2016/106853
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French (fr)
Chinese (zh)
Inventor
杨波
李茂东
王晓
周杨飞
容俊杰
张双红
翟伟
***
林金梅
黄国家
喻文
辛明亮
Original Assignee
广州特种承压设备检测研究院
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Application filed by 广州特种承压设备检测研究院 filed Critical 广州特种承压设备检测研究院
Publication of WO2018058772A1 publication Critical patent/WO2018058772A1/en

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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
    • B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
    • B24B31/003—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor whereby the workpieces are mounted on a holder and are immersed in the abrasive material
    • 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
    • B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
    • B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
    • 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
    • B24B41/02—Frames; Beds; Carriages
    • 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
    • B24B41/06—Work supports, e.g. adjustable steadies

Definitions

  • the present application relates to the field of polishing technology, for example, to a safety valve flap magnetic fluid grinding and polishing machine and a polishing method.
  • Safety valves are very important protective valves. They are widely used in electric power and petrochemical industries. They are indispensable safety accessories for special equipment such as boilers, pressure vessels and pressure pipes, and they are used for overpressure protection.
  • the sealing performance of the safety valve is related to whether the pressure-bearing equipment can operate normally and economically, and therefore the safety valve is required to have good sealing performance.
  • Safety valve leakage caused by damage to the sealing surface is one of the common failures of the safety valve, and grinding is a key process for repairing the damage of the sealing surface.
  • Safety valves require regular grinding and polishing to ensure safe production.
  • the grinding and polishing machine of the safety valve disc is mostly manually operated. Due to the particularity of the valve flap structure of the safety valve, grinding and polishing requires a lot of time and labor, and the effect is difficult to ensure.
  • Cipheral Patent Document CN2523556 discloses a safety valve seat automatic grinding device for overpressure protection of pressure vessels in the petrochemical industry, consisting of a main shaft, a fixed sleeve, a bearing, a friction wheel, a planetary gear, a support sleeve, a cover, a gasket, and a spring.
  • the composition of the piece, the lock spring and the grinding head, the motor output shaft drives the main shaft and the planetary gear to rotate, and the planetary gear rotates, and the grinding head at the lower end realizes the revolution and the rotation, and the grinding head and the planetary gear can be compensated in the axial direction.
  • the device reduces the labor intensity of the workers, improves the aging and the effective utilization of the grinding head.
  • a grinding device for a safety valve flap is disclosed, which is applied to the grinding of a valve flap of a safety valve.
  • Two bearings are fixed on the lower support plate; the central shaft of the lower end of the driving gear is fixed in the center hole of the intermediate bearing; the lower end of the driving gear is fixed with the geared motor, and the geared motor is fixed at the lower part of the lower support plate.
  • the two driven gears are fixed in the bearings on both sides. The two driven gears are respectively kneaded with the driving gear.
  • the upper end surface of the driven gear is vertically fixed with an oscillating shaft; the bearing is fixed in the bearing hole of the upper support plate, the oscillating shaft passes through the center hole of the spring limiting washer, and a compression spring and a nut are sleeved on the upper part of the oscillating shaft.
  • a circular recessed groove is formed in the upper end surface of the driving gear, and an abrasive body is embedded in the recessed groove. The effect is: it can grind the valve of the full-open safety valve, change the manual grinding to electric grinding, improve the grinding quality and improve the grinding efficiency.
  • the above improvements to the grinding apparatus can improve the grinding efficiency and the grinding quality to some extent, the principle of grinding is not changed, and the valve flap or the valve seat is still ground by a grinding head having a fixed structure. Due to the size of the grinding head, the above solution still fails to satisfactorily grind the entire surface of the safety valve seat.
  • a magnetic fluid sealed safety valve is disclosed.
  • the magnetic core tube is set in the magnetic conductive housing, and a coil with a frame is inserted into the cavity formed by the two, and the magnetic fluid passes through the introduction tube and the dish shape.
  • the introduction hole on the cover and the bonnet is injected between the contact surface of the valve cover and the magnetic core tube to form a magnetic sealing layer with uniform distribution and strange performance.
  • This valve is magnetically adjustable, easy to control, safe and reliable, and has a good seal. Long life, wide application range, can be widely used in petrochemical machinery and equipment, environmental protection and other fields. However, due to the structure different from the traditional safety valve, the relative structure is complicated, which limits the promotion and application of the safety valve product.
  • the application provides a safety valve flap magnetic fluid grinding and polishing machine and a polishing method.
  • the safety valve flap magnetic fluid grinding and polishing machine is designed to realize the safety valve flap quickly. Efficient grinding and polishing.
  • the polishing method can grind and polish the safety valve flap with complicated shape and structure, and the effect is good and the treatment is more uniform.
  • an embodiment of the present application provides a safety valve flap magnetic fluid grinding and polishing machine, comprising: a first mounting mechanism for installing a safety valve flap; and a second mounting mechanism for holding a magnetic fluid abrasive;
  • the first mounting mechanism can drive the safety valve flap into the second mounting mechanism, contact with the magnetic fluid abrasive and relative movement to achieve grinding and polishing of the safety valve flap, the second installation
  • the mechanism further includes a magnetic field generating device that agglomerates the magnetic fluid abrasive such that grinding and polishing of the safety valve flap is performed in a state where the magnetic fluid abrasive is agglomerated.
  • the first mounting mechanism includes a first base and a first mounting platform disposed at a top of the first base, the a valve disc clamp for mounting the safety valve flap is disposed on a mounting table, the first mounting table is at least one, and each of the first mounting stations is provided with the valve disc clamp, the valve The flap clamp is detachable.
  • the first mounting table is further provided with a first driving device, and the valve disc clamping device is driven by the first driving device
  • the safety valve flap can be driven to rotate in the magnetic fluid abrasive.
  • the second mounting mechanism includes a second base disposed on the second base for holding the magnetic fluid abrasive An abrasive container, and a second drive for driving the abrasive container to rotate relative to the first mounting mechanism.
  • the first mounting table is fixedly mounted on the top of the first base by a support rod
  • the second mounting mechanism is disposed at the The support rod between the first mounting table and the first base slides up and down along the support rod.
  • the abrasive container has a container bottom, a first annular container wall protruding from an upper surface of the bottom of the container, and a second annular container a wall, the first annular container wall is concentrically disposed with the second annular container wall, and a accommodating groove is formed therebetween, and the magnetic fluid abrasive is contained in the accommodating groove, and the number of the abrasive containers Corresponding to the number of the first mounting stations, each of the abrasive containers is detachably mounted on the second base.
  • the side of the first annular container wall away from the accommodating groove and the second annular container wall are away from the accommodating
  • One side of the slot is correspondingly provided with a first electromagnet assembly and a second electromagnet assembly, and the first electromagnet assembly and the second electromagnet assembly constitute the magnetic field generating device.
  • the position of the magnetic field generating device relative to the second mounting mechanism is adjustable.
  • the width of the accommodating groove is adjusted according to the size of the safety valve flap.
  • the embodiment of the present application further provides a method for performing a safety valve flap magnetic fluid grinding and polishing using the safety valve flap magnetic fluid grinding and polishing machine provided by any one of the embodiments of the present application, including:
  • the safety valve disc is controlled to enter the accommodating groove, and the safety valve flap and the magnetic fluid abrasive are rotated relative to each other for grinding and polishing.
  • the embodiment of the present application provides a safety valve flap magnetic fluid grinding and polishing machine and a polishing method.
  • the magnetic fluid grinding and polishing machine is designed to utilize the flexible action of the magnetic fluid to disperse the abrasive in the magnetic fluid, and then control the grinding by an external magnetic field. Polishing allows the safety valve flap to be evenly subjected to external forces for grinding and polishing repair.
  • FIG. 1 is a schematic structural view of a safety valve flap magnetic fluid grinding and polishing machine provided in Embodiment 1.
  • Figure 2 is an enlarged view of the portion I in Figure 1.
  • FIG. 3 is a schematic structural view of a safety valve flap magnetic fluid grinding and polishing machine provided in Embodiment 2.
  • 100 a first mounting mechanism; 101, a first base; 102, a first mounting platform; 103, a first driving device; 104, a valve disc clamp; 105, a safety valve flap; 106, a support rod;
  • 200 second mounting mechanism; 210, second base; 220, abrasive container; 221, container bottom; 222, first annular container wall; 223, second annular container wall; 230, magnetic fluid abrasive; 240, second drive Device; 250, worm gear reducer.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the safety valve flap magnetic fluid grinding and polishing machine includes a first mounting mechanism 100 for mounting the safety valve flap 105 and a second for holding the magnetic fluid abrasive 230.
  • Mounting mechanism 200 The first mounting mechanism 100 can drive the safety valve flap 105 into the second mounting mechanism 200, contact with the magnetic fluid abrasive 230 in the second mounting mechanism 200 and relative movement to achieve the safety valve Grinding and polishing of the valve flap 105, the second mounting mechanism 200 further includes a magnetic field generating device that can agglomerate the magnetic fluid abrasive 230 to cause polishing of the safety valve flap 105 in the The magnetic fluid abrasive 230 is in a state of being agglomerated.
  • the magnetic fluid abrasive 230 agglomerates under the action of a magnetic field and becomes a "small grinding head” with increased viscosity and a certain hardness. Since each "small grinding head” has a small size, it has a strong adaptive safety valve.
  • the shape of the valve flap 105 is characterized by the flexibility of the magnetic fluid, and after the abrasive is dispersed in the magnetic fluid, the grinding and polishing are controlled by an external magnetic field, so that the safety valve flap 105 can be uniformly subjected to an external force, thereby achieving grinding and polishing. repair.
  • the first mounting mechanism 100 includes a first base 101 and a first mounting base 102 disposed on the top of the first base 101.
  • the first mounting base 102 is provided with the security for mounting.
  • the first mounting platform 102 is at least one, and each of the first mounting stations 102 is provided with a valve clamp 104.
  • the valve clamp 104 is detachably disposed.
  • the first mounting table 102 is further provided with a first driving device 103.
  • the valve disc clamping device 104 can drive the safety valve flap 105 at the magnetic fluid abrasive 230 under the driving of the first driving device 103. In the rotation.
  • the first mounting platform 102 is fixed by the support rod 106 Mounted on top of the first base 101, the second mounting mechanism 200 is disposed on the support rod 106 between the first mounting base 102 and the first base 101, and along the The support rod 106 slides up and down.
  • the movement of the safety valve flap 105 relative to the magnetic fluid abrasive 230 in this embodiment is achieved by the rotation of the safety valve flap 105.
  • the second mounting mechanism 200 for holding the magnetic fluid abrasive 230 may be stationary.
  • the second mounting mechanism 200 in the embodiment is in a rotating state.
  • the first driving device 103 is a first variable frequency motor, and the first variable frequency motor is connected to the valve disc clamp 104 by a first transmission device, and the valve disc clamp 104 is driven to be mounted thereon.
  • the safety valve flap 105 on the valve disc clamp 104 is rotated.
  • the first transmission device in this embodiment may be a transmission belt. In other embodiments, the first transmission device may also be a transmission belt.
  • the second mounting mechanism 200 includes a second base 210, an abrasive container 220 disposed on the second base 210 for holding the magnetic fluid abrasive 230, and for driving the abrasive container 220 relative to the
  • the first mounting mechanism 100 rotates the second driving device 240.
  • the abrasive container 220 has a container bottom 221 and a first annular container wall 222 and a second annular container wall 223 protruding from an upper surface of the container bottom 221, the first annular container wall 222 and the second ring
  • the container walls 223 are concentrically disposed with a receiving groove therebetween, and the magnetic fluid abrasive 230 is placed in the receiving groove.
  • the number of the abrasive containers 220 corresponds to the number of the first mounting stations 102, and each of the abrasive containers 220 is detachably mounted on the second base 210.
  • the width of the receiving groove can be adjusted according to the size of the safety valve flap 105.
  • the second driving device 240 in this embodiment is a second variable frequency motor, and the second frequency converting device is connected to the abrasive container 220 through a worm gear reducer 250 as a second transmission device, and can selectively drive the device.
  • the abrasive container 220 is rotated.
  • the direction of rotation of the abrasive container 220 and the direction of rotation of the safety valve flap 105 in this embodiment may be the same or different.
  • the direction of rotation of the abrasive container 220 is intermittently changed, that is, it can be adjusted to rotate in the other direction after being rotated in one direction at a set ideal rotational speed for a certain period of time.
  • the rotation direction of the safety valve flap 105 may also be intermittently changed, that is, when the valve clamp 104 is driven, the safety valve flap 105 is rotated in a direction at a set ideal rotation speed for a certain period of time. It can be adjusted to rotate in the other direction. Through the conversion of the rotation direction, the uniformity of the polishing and polishing can be improved, and the processing quality can be improved.
  • the first annular container wall 222 is away from the receiving groove and the second annular container wall 223 is disposed away from the receiving groove.
  • the electromagnet assembly and the second electromagnet assembly, the first electromagnet assembly and the second electromagnet assembly constitute the magnetic field generating device.
  • the first electromagnet assembly includes at least one magnet uniformly disposed along the first annular container wall 222
  • the second electromagnet assembly includes at least one magnet uniformly disposed along the second annular container wall 223, optionally
  • the first electromagnet assembly and the second electromagnet assembly have the same number of magnets, corresponding positions, and a magnetic field is formed between the two corresponding magnets to act on the magnetic fluid abrasive 230.
  • the position of the magnetic field generating device relative to the second mounting mechanism 200 is adjustable.
  • the position adjustment includes adjusting the position and adjusting the angle, and changing the direction of the magnetic field during the grinding and polishing process, thereby changing the position of the magnetic fluid abrasive 230 to the safety valve flap 105, thereby making the grinding and polishing more uniform. .
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the embodiment adopts the safety valve flap magnetic fluid grinding and polishing machine provided by any embodiment of the present application to perform a method for grinding and polishing a safety valve disc magnetic fluid, comprising:
  • the safety valve disc is controlled to enter the accommodating groove, and the safety valve flap and the magnetic fluid abrasive are rotated relative to each other for grinding and polishing.
  • the magnetic fluid abrasive comprises a magnetic fluid and abrasive particles uniformly doped in the magnetic fluid.
  • the abrasive particles can be selectively replaced according to the precision of the polishing and polishing.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • the safety valve flap 105 magnetic fluid grinding and polishing machine described in this embodiment includes a first mounting mechanism 100 for mounting a safety valve flap 105 and a second mounting for holding a magnetic fluid abrasive. Agency 200.
  • the first mounting mechanism 100 can drive the safety valve flap 105 to selectively enter the second mounting mechanism 200, and contact the magnetic fluid abrasive therein and perform relative motion to achieve the safety valve flap 105. Grinding and polishing.
  • the second mounting mechanism 200 further includes a magnetic field generating device that selectively agglomerates the magnetic fluid abrasive to cause polishing of the safety valve flap 105 in a state in which the magnetic fluid abrasive is agglomerated Go on.
  • the first mounting table 102 may be two, and each of the first mounting stations 102 is provided with a valve clamp 104.
  • the number of the abrasive containers 220 corresponds to the number of the first mounting stations 102, the number of which is optional is the same, and the number of the abrasive containers 220 is two.
  • Each of the abrasive containers 220 is detachably mounted on the second base 210.
  • the valve disc clamp 104 in this embodiment is detachably mounted on the first mounting base 102, and the safety valve flap 105 of different sizes is polished and polished by using the safety valve flap 105 magnetic fluid grinding and polishing machine.
  • the different disc clamps 104 can be replaced at the same time, so that the safety valve flap 105 magnetic fluid grinding and polishing machine is more versatile.
  • two first mounting stations 102 and two valve clamps 104 are disposed in the embodiment, and the two abrasive containers 220 can Simultaneous rotation by the same driving device or different driving devices, while grinding and polishing a plurality of safety valve flaps 105, has higher working efficiency.
  • the embodiment of the present application provides a safety valve flap magnetic fluid grinding and polishing machine and a polishing method.
  • the magnetic fluid grinding and polishing machine is designed to utilize the flexible action of the magnetic fluid to disperse the abrasive in the magnetic fluid, and then control the grinding by an external magnetic field. Polishing allows the safety valve flap to be evenly subjected to external forces for grinding and polishing repair.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

Disclosed is a machine for grinding and polishing a safety valve flap by means of a magnetic fluid, comprising a first mounting mechanism (100) used for mounting a safety valve flap (105), and a second mounting mechanism (200) used for containing a magnetic fluid abrasive material (230), wherein the first mounting mechanism can drive the safety valve flap to enter the second mounting mechanism to come into contact with the magnetic fluid abrasive material and move relative to the magnetic fluid abrasive material to realize grinding and polishing of the safety valve flap; the second mounting mechanism further comprises a magnetic field generating device; and the magnetic field generating device agglomerates the magnetic fluid abrasive material, so that the safety valve flap is ground and polished by the magnetic fluid abrasive material in the agglomerated state. Also disclosed is a method for grinding and polishing by using the machine for grinding and polishing the safety valve flap by means of the magnetic fluid. The method can polish a safety valve flap with a complex configuration structure, and achieves uniform treatment.

Description

安全阀阀瓣磁流体研磨抛光机及抛光方法Safety valve flap magnetic fluid grinding and polishing machine and polishing method 技术领域Technical field
本申请涉及抛光技术领域，例如涉及一种安全阀阀瓣磁流体研磨抛光机及抛光方法。The present application relates to the field of polishing technology, for example, to a safety valve flap magnetic fluid grinding and polishing machine and a polishing method.
背景技术Background technique
安全阀是非常重要的保护性阀门，广泛地应用在电力和石化等行业，是锅炉、压力容器和压力管道等特种设备上不可缺少的安全附件，起到超压保护作用。安全阀的密封性好坏，关系到承压设备能否正常经济运行，因而要求安全阀具有良好的密封性。由于密封面损伤(压痕、划痕、锈蚀、麻点以及裂纹等)所引起的安全阀泄漏，是安全阀的常见故障之一，而研磨则是修复密封面损伤的关键工艺过程，因此，安全阀需要定期的研磨、抛光修复，以保证生产安全。Safety valves are very important protective valves. They are widely used in electric power and petrochemical industries. They are indispensable safety accessories for special equipment such as boilers, pressure vessels and pressure pipes, and they are used for overpressure protection. The sealing performance of the safety valve is related to whether the pressure-bearing equipment can operate normally and economically, and therefore the safety valve is required to have good sealing performance. Safety valve leakage caused by damage to the sealing surface (indentation, scratches, rust, pitting, cracks, etc.) is one of the common failures of the safety valve, and grinding is a key process for repairing the damage of the sealing surface. Safety valves require regular grinding and polishing to ensure safe production.
在相关技术中，安全阀阀瓣的研磨抛光机多为手工操作，由于安全阀的阀瓣结构的特殊性，研磨抛光需要耗费大量的时间和人力，且效果较为难以保证。In the related art, the grinding and polishing machine of the safety valve disc is mostly manually operated. Due to the particularity of the valve flap structure of the safety valve, grinding and polishing requires a lot of time and labor, and the effect is difficult to ensure.
例如中国专利文献CN2523556公开了一种石油化工行业压力容器超压保护的安全阀阀座自动研磨装置，由主轴、固定套、轴承、摩擦轮、行星齿轮、支撑套、挡盖、垫片、弹簧片、锁簧和磨头等组成，电机输出轴带动主轴和行星齿轮转动，同时行星齿轮自转，带动下端的磨头实现公转和自转，磨头和行星齿轮在轴向可实现补偿。该装置减轻了工人的劳动强度，提高了时效和磨头的有效利用率。For example, Chinese Patent Document CN2523556 discloses a safety valve seat automatic grinding device for overpressure protection of pressure vessels in the petrochemical industry, consisting of a main shaft, a fixed sleeve, a bearing, a friction wheel, a planetary gear, a support sleeve, a cover, a gasket, and a spring. The composition of the piece, the lock spring and the grinding head, the motor output shaft drives the main shaft and the planetary gear to rotate, and the planetary gear rotates, and the grinding head at the lower end realizes the revolution and the rotation, and the grinding head and the planetary gear can be compensated in the axial direction. The device reduces the labor intensity of the workers, improves the aging and the effective utilization of the grinding head.
又如中国专利文献CN2656082公开了一种用于全启密封式安全阀的研 磨修理的安全阀密封面的研磨装置，包括齿轮总成、圆盘、弹簧、阀座研磨轴、安全阀、安全阀座、玻璃、减速机等，齿轮总成与圆盘、圆盘分别连接，齿轮总成上置有玻璃，齿轮总成与阀座研磨轴连接，阀座研磨轴上套有弹簧，该装置的上部设有长方盘，可以有效地与安全阀密封面产生摩擦，操作人员不拆安全阀座，可以随时更换研磨体，从而提高研磨质量和降低生产成本、减轻劳动强度。Another example is the Chinese patent document CN2656082, which discloses a research for a full-opening type safety valve. Grinding device for grinding valve sealing surface of safety valve, including gear assembly, disc, spring, valve seat grinding shaft, safety valve, safety valve seat, glass, reducer, etc., gear assembly is connected with disc and disc respectively The gear assembly is provided with glass, the gear assembly is connected with the valve seat grinding shaft, and the valve seat grinding shaft is sleeved with a spring. The upper part of the device is provided with a rectangular disk, which can effectively rub against the sealing surface of the safety valve. The personnel can change the grinding body at any time without removing the safety valve seat, thereby improving the grinding quality, reducing the production cost and reducing the labor intensity.
再如中国专利文献CN102049726A公开了安全阀阀瓣的研磨装置，应用于安全阀阀瓣的研磨。在下支撑板上固定有两个轴承；主动齿轮下端中心轴固定在中间轴承中心孔内；主动齿轮下端固定减速电机，并且减速电机固定在下支撑板的下部。两个从动齿轮固定在两侧轴承内。两个从动齿轮分别与主动齿轮捏合。从动齿轮上端面分别垂直固定有一个摆动轴；轴承固定在上支撑板的轴承孔内，摆动轴穿过在弹簧限位垫圈中心孔，在摆动轴上部套有压缩弹簧和螺帽。在主动齿轮的上端面有圆形凹陷槽，凹陷槽内嵌入有研磨体。效果是：能研磨全启式安全阀阀瓣，改变手工研磨为电动研磨，提高研磨质量，提高了研磨效率。Further, as disclosed in Chinese Patent Publication No. CN102049726A, a grinding device for a safety valve flap is disclosed, which is applied to the grinding of a valve flap of a safety valve. Two bearings are fixed on the lower support plate; the central shaft of the lower end of the driving gear is fixed in the center hole of the intermediate bearing; the lower end of the driving gear is fixed with the geared motor, and the geared motor is fixed at the lower part of the lower support plate. The two driven gears are fixed in the bearings on both sides. The two driven gears are respectively kneaded with the driving gear. The upper end surface of the driven gear is vertically fixed with an oscillating shaft; the bearing is fixed in the bearing hole of the upper support plate, the oscillating shaft passes through the center hole of the spring limiting washer, and a compression spring and a nut are sleeved on the upper part of the oscillating shaft. A circular recessed groove is formed in the upper end surface of the driving gear, and an abrasive body is embedded in the recessed groove. The effect is: it can grind the valve of the full-open safety valve, change the manual grinding to electric grinding, improve the grinding quality and improve the grinding efficiency.
上述对研磨装置的改进虽然均可以在一定程度上提高研磨效率以及研磨质量，但是均没有改变研磨的原理，仍然采用具有固定结构的磨头对阀瓣或阀座进行研磨。由于磨头的尺寸影响，上述方案仍然无法满足对安全阀阀座的全部表面进行均衡的研磨。Although the above improvements to the grinding apparatus can improve the grinding efficiency and the grinding quality to some extent, the principle of grinding is not changed, and the valve flap or the valve seat is still ground by a grinding head having a fixed structure. Due to the size of the grinding head, the above solution still fails to satisfactorily grind the entire surface of the safety valve seat.
又如中国专利文献CN2349415公开了一种磁流体密封安全阀，磁芯管套装在导磁壳体中，在二者形成的空腔中***带有框架的线圈，磁流体通过导入管、碟形盖、阀盖上导入孔注入到阀盖与磁芯管的接触面之间，形成分布均匀性能奇特的磁性密封层。这种阀磁力可调，易于控制，安全可靠，密封良好，使用 寿命长，适用范围广，可广泛应用于石油化工机械仪表环保医疗等领域。但是由于不同于传统安全阀的结构，相对结构复杂，限制了安全阀产品的推广应用。Further, as disclosed in Chinese Patent Publication No. CN2349415, a magnetic fluid sealed safety valve is disclosed. The magnetic core tube is set in the magnetic conductive housing, and a coil with a frame is inserted into the cavity formed by the two, and the magnetic fluid passes through the introduction tube and the dish shape. The introduction hole on the cover and the bonnet is injected between the contact surface of the valve cover and the magnetic core tube to form a magnetic sealing layer with uniform distribution and strange performance. This valve is magnetically adjustable, easy to control, safe and reliable, and has a good seal. Long life, wide application range, can be widely used in petrochemical machinery and equipment, environmental protection and other fields. However, due to the structure different from the traditional safety valve, the relative structure is complicated, which limits the promotion and application of the safety valve product.
发明内容Summary of the invention
本申请提供一种安全阀阀瓣磁流体研磨抛光机以及抛光方法，通过利用磁流体在磁场作用下***的特性，设计安全阀阀瓣磁流体研磨抛光机，实现安全阀阀瓣的快速、高效研磨抛光。采用该抛光方法可以对外形结构复杂的安全阀阀瓣进行研磨抛光，效果好、处理更为均匀。The application provides a safety valve flap magnetic fluid grinding and polishing machine and a polishing method. By utilizing the magnetic fluid to be hardened under the action of a magnetic field, the safety valve flap magnetic fluid grinding and polishing machine is designed to realize the safety valve flap quickly. Efficient grinding and polishing. The polishing method can grind and polish the safety valve flap with complicated shape and structure, and the effect is good and the treatment is more uniform.
第一方面，本申请实施例提供一种安全阀阀瓣磁流体研磨抛光机，包括用于安装安全阀阀瓣的第一安装机构以及用于盛放磁流体磨料的第二安装机构；其中，所述第一安装机构可带动所述安全阀阀瓣进入第二安装机构中，与所述磁流体磨料相接触并发生相对运动实现对所述安全阀阀瓣的研磨抛光，所述第二安装机构还包括磁场发生装置，所述磁场发生装置使所述磁流体磨料凝聚，以使所述安全阀阀瓣的研磨抛光在所述磁流体磨料凝聚的状态下进行。In a first aspect, an embodiment of the present application provides a safety valve flap magnetic fluid grinding and polishing machine, comprising: a first mounting mechanism for installing a safety valve flap; and a second mounting mechanism for holding a magnetic fluid abrasive; The first mounting mechanism can drive the safety valve flap into the second mounting mechanism, contact with the magnetic fluid abrasive and relative movement to achieve grinding and polishing of the safety valve flap, the second installation The mechanism further includes a magnetic field generating device that agglomerates the magnetic fluid abrasive such that grinding and polishing of the safety valve flap is performed in a state where the magnetic fluid abrasive is agglomerated.
作为所述的安全阀阀瓣磁流体研磨抛光机的一种可选技术方案，所述第一安装机构包括第一底座以及设置在所述第一底座的顶部的第一安装台，所述第一安装台上设置有用于安装所述安全阀阀瓣的阀瓣夹具，所述第一安装台为至少一个，每个所述第一安装台上均设置有所述阀瓣夹具，所述阀瓣夹具可拆卸设置。As an optional technical solution of the safety valve disc magnetic fluid grinding and polishing machine, the first mounting mechanism includes a first base and a first mounting platform disposed at a top of the first base, the a valve disc clamp for mounting the safety valve flap is disposed on a mounting table, the first mounting table is at least one, and each of the first mounting stations is provided with the valve disc clamp, the valve The flap clamp is detachable.
作为所述的安全阀阀瓣磁流体研磨抛光机的一种可选技术方案，所述第一安装台上还设置有第一驱动装置，所述阀瓣夹具在所述第一驱动装置的驱 动下可带动所述安全阀阀瓣在所述磁流体磨料中自转。As an optional technical solution of the safety valve disc magnetic fluid grinding and polishing machine, the first mounting table is further provided with a first driving device, and the valve disc clamping device is driven by the first driving device The safety valve flap can be driven to rotate in the magnetic fluid abrasive.
作为所述的安全阀阀瓣磁流体研磨抛光机的一种可选技术方案，所述第二安装机构包括第二底座、设置在所述第二底座上用于盛放所述磁流体磨料的磨料容器，以及用于驱动所述磨料容器相对于所述第一安装机构进行旋转的第二驱动装置。As an optional technical solution of the safety valve flap magnetic fluid grinding and polishing machine, the second mounting mechanism includes a second base disposed on the second base for holding the magnetic fluid abrasive An abrasive container, and a second drive for driving the abrasive container to rotate relative to the first mounting mechanism.
作为所述的安全阀阀瓣磁流体研磨抛光机的一种可选技术方案，述第一安装台通过支撑杆固定安装在所述第一底座的顶部，所述第二安装机构设置在所述第一安装台与所述第一底座之间的所述支撑杆上，并沿所述支撑杆上下滑动。As an optional technical solution of the safety valve disc magnetic fluid grinding and polishing machine, the first mounting table is fixedly mounted on the top of the first base by a support rod, and the second mounting mechanism is disposed at the The support rod between the first mounting table and the first base slides up and down along the support rod.
作为所述的安全阀阀瓣磁流体研磨抛光机的一种可选技术方案，所述磨料容器具有容器底部、凸设于所述容器底部的上表面的第一环形容器壁以及第二环形容器壁，所述第一环形容器壁与所述第二环形容器壁同心设置，两者之间形成容置槽，所述磁流体磨料盛放在所述容置槽中，所述磨料容器的数量与所述第一安装台的数量相对应，每个所述磨料容器可拆卸的安装在所述第二底座上。As an optional technical solution of the safety valve flap magnetic fluid grinding and polishing machine, the abrasive container has a container bottom, a first annular container wall protruding from an upper surface of the bottom of the container, and a second annular container a wall, the first annular container wall is concentrically disposed with the second annular container wall, and a accommodating groove is formed therebetween, and the magnetic fluid abrasive is contained in the accommodating groove, and the number of the abrasive containers Corresponding to the number of the first mounting stations, each of the abrasive containers is detachably mounted on the second base.
作为所述的安全阀阀瓣磁流体研磨抛光机的一种可选技术方案，所述第一环形容器壁远离所述容置槽的一侧以及所述第二环形容器壁远离所述容置槽的一侧分别对应的设置有第一电磁铁组件以及第二电磁铁组件，所述第一电磁铁组件与所述第二电磁铁组件构成所述磁场发生装置。As an optional technical solution of the safety valve disc magnetic fluid grinding and polishing machine, the side of the first annular container wall away from the accommodating groove and the second annular container wall are away from the accommodating One side of the slot is correspondingly provided with a first electromagnet assembly and a second electromagnet assembly, and the first electromagnet assembly and the second electromagnet assembly constitute the magnetic field generating device.
作为所述的安全阀阀瓣磁流体研磨抛光机的一种可选技术方案，所述磁场发生装置相对于所述第二安装机构的位置可调。As an optional technical solution of the safety valve flap magnetic fluid grinding and polishing machine, the position of the magnetic field generating device relative to the second mounting mechanism is adjustable.
作为所述的安全阀阀瓣磁流体研磨抛光机的一种可选技术方案，所述容置槽的宽度根据安全阀阀瓣的尺寸进行调节。 As an optional technical solution of the safety valve disc magnetic fluid grinding and polishing machine, the width of the accommodating groove is adjusted according to the size of the safety valve flap.
第二方面，本申请实施例还提供一种使用本申请任一实施例提供的安全阀阀瓣磁流体研磨抛光机进行安全阀阀瓣磁流体研磨抛光的方法，包括：In a second aspect, the embodiment of the present application further provides a method for performing a safety valve flap magnetic fluid grinding and polishing using the safety valve flap magnetic fluid grinding and polishing machine provided by any one of the embodiments of the present application, including:
提供盛放有磁流体磨料的容置槽；Providing a receiving groove for holding a magnetic fluid abrasive;
调整所述容置槽周部的磁场角度；以及Adjusting the magnetic field angle of the circumference of the accommodating groove;
控制安全阀阀瓣进入所述容置槽中，并使安全阀阀瓣与所述磁流体磨料发生相对转动进行研磨抛光。The safety valve disc is controlled to enter the accommodating groove, and the safety valve flap and the magnetic fluid abrasive are rotated relative to each other for grinding and polishing.
本申请实施例提供一种安全阀阀瓣磁流体研磨抛光机及抛光方法，通过设计磁流体研磨抛光机，利用磁流体的柔性作用，将磨料分散于磁流体中后，通过外加磁场控制研磨和抛光，使得安全阀阀瓣能够均匀的受到外力作用，从而实现研磨以及抛光修复。The embodiment of the present application provides a safety valve flap magnetic fluid grinding and polishing machine and a polishing method. The magnetic fluid grinding and polishing machine is designed to utilize the flexible action of the magnetic fluid to disperse the abrasive in the magnetic fluid, and then control the grinding by an external magnetic field. Polishing allows the safety valve flap to be evenly subjected to external forces for grinding and polishing repair.
附图说明DRAWINGS
下面根据附图和实施例对本申请实施例进行说明。The embodiments of the present application are described below based on the accompanying drawings and embodiments.
图1为实施例一提供的一种安全阀阀瓣磁流体研磨抛光机的结构示意图。1 is a schematic structural view of a safety valve flap magnetic fluid grinding and polishing machine provided in Embodiment 1.
图2为图1中I处放大图。Figure 2 is an enlarged view of the portion I in Figure 1.
图3为实施例二提供的一种安全阀阀瓣磁流体研磨抛光机的结构示意图。3 is a schematic structural view of a safety valve flap magnetic fluid grinding and polishing machine provided in Embodiment 2.
图中：In the picture:
100、第一安装机构；101、第一底座；102、第一安装台；103、第一驱动装置；104、阀瓣夹具；105、安全阀阀瓣；106、支撑杆；100, a first mounting mechanism; 101, a first base; 102, a first mounting platform; 103, a first driving device; 104, a valve disc clamp; 105, a safety valve flap; 106, a support rod;
200、第二安装机构；210、第二底座；220、磨料容器；221、容器底部；222、第一环形容器壁；223、第二环形容器壁；230、磁流体磨料；240、第二驱动装置；250、涡轮蜗杆减速器。 200, second mounting mechanism; 210, second base; 220, abrasive container; 221, container bottom; 222, first annular container wall; 223, second annular container wall; 230, magnetic fluid abrasive; 240, second drive Device; 250, worm gear reducer.
具体实施方式detailed description
下面结合附图并通过可选实施方式来说明本申请实施例的技术方案。在不冲突的情况下，实施例和实施例中的特征可以相互任意组合。The technical solutions of the embodiments of the present application are described below with reference to the accompanying drawings. The features in the embodiments and the embodiments may be arbitrarily combined with each other without conflict.
实施例一：Embodiment 1:
如图1、2所示，于本实施例中，安全阀阀瓣磁流体研磨抛光机包括用于安装安全阀阀瓣105的第一安装机构100以及用于盛放磁流体磨料230的第二安装机构200。所述第一安装机构100可带动所述安全阀阀瓣105进入第二安装机构200中，与第二安装机构200中的所述磁流体磨料230相接触并发生相对运动实现对所述安全阀阀瓣105的研磨抛光，所述第二安装机构200还包括磁场发生装置，所述磁场发生装置可以使所述磁流体磨料230凝聚，以使所述安全阀阀瓣105的研磨抛光在所述磁流体磨料230凝聚的状态下进行。磁流体磨料230在磁场的作用下发生凝聚，变成粘度增大且具有一定硬度的“小磨头”，由于每个“小磨头”的尺寸均很小，因此具有很强的适应安全阀阀瓣105的外形的特性，利用磁流体的柔性作用，将磨料分散于磁流体中后，通过外加磁场控制研磨和抛光，使得安全阀阀瓣105能够均匀的受到外力作用，从而实现研磨、抛光修复。As shown in FIGS. 1 and 2, in the present embodiment, the safety valve flap magnetic fluid grinding and polishing machine includes a first mounting mechanism 100 for mounting the safety valve flap 105 and a second for holding the magnetic fluid abrasive 230. Mounting mechanism 200. The first mounting mechanism 100 can drive the safety valve flap 105 into the second mounting mechanism 200, contact with the magnetic fluid abrasive 230 in the second mounting mechanism 200 and relative movement to achieve the safety valve Grinding and polishing of the valve flap 105, the second mounting mechanism 200 further includes a magnetic field generating device that can agglomerate the magnetic fluid abrasive 230 to cause polishing of the safety valve flap 105 in the The magnetic fluid abrasive 230 is in a state of being agglomerated. The magnetic fluid abrasive 230 agglomerates under the action of a magnetic field and becomes a "small grinding head" with increased viscosity and a certain hardness. Since each "small grinding head" has a small size, it has a strong adaptive safety valve. The shape of the valve flap 105 is characterized by the flexibility of the magnetic fluid, and after the abrasive is dispersed in the magnetic fluid, the grinding and polishing are controlled by an external magnetic field, so that the safety valve flap 105 can be uniformly subjected to an external force, thereby achieving grinding and polishing. repair.
于本实施例中，所述第一安装机构100包括第一底座101以及设置在所述第一底座101顶部的第一安装台102，所述第一安装台102上设置有用于安装所述安全阀阀瓣105的阀瓣夹具104。可选的，第一安装台102为至少一个，每个所述第一安装台102上均设置有一个阀瓣夹具104，可选的，阀瓣夹具104可拆卸设置。所述第一安装台102上还设置有第一驱动装置103，所述阀瓣夹具104在所述第一驱动装置103的驱动下可带动所述安全阀阀瓣105在所述磁流体磨料230中自转。所述第一安装台102通过支撑杆106固 定安装在所述第一底座101的顶部，所述第二安装机构200设置在所述第一安装台102与所述第一底座101之间的所述支撑杆106上，并可沿所述支撑杆106上下滑动。In the embodiment, the first mounting mechanism 100 includes a first base 101 and a first mounting base 102 disposed on the top of the first base 101. The first mounting base 102 is provided with the security for mounting. The flap clamp 104 of the valve flap 105. Optionally, the first mounting platform 102 is at least one, and each of the first mounting stations 102 is provided with a valve clamp 104. Optionally, the valve clamp 104 is detachably disposed. The first mounting table 102 is further provided with a first driving device 103. The valve disc clamping device 104 can drive the safety valve flap 105 at the magnetic fluid abrasive 230 under the driving of the first driving device 103. In the rotation. The first mounting platform 102 is fixed by the support rod 106 Mounted on top of the first base 101, the second mounting mechanism 200 is disposed on the support rod 106 between the first mounting base 102 and the first base 101, and along the The support rod 106 slides up and down.
本实施例中所述的安全阀阀瓣105相对于磁流体磨料230的运动通过安全阀阀瓣105的自转实现，此时用于盛放磁流体磨料230的第二安装机构200可以静止也可以进行转动，本实施例中所述第二安装机构200处于转动状态。The movement of the safety valve flap 105 relative to the magnetic fluid abrasive 230 in this embodiment is achieved by the rotation of the safety valve flap 105. At this time, the second mounting mechanism 200 for holding the magnetic fluid abrasive 230 may be stationary. When the rotation is performed, the second mounting mechanism 200 in the embodiment is in a rotating state.
可选的，本实施例中所述第一驱动装置103为第一变频电机，所述第一变频电机通过第一传动装置与所述阀瓣夹具104连接，所述阀瓣夹具104带动安装在阀瓣夹具104上的所述安全阀阀瓣105转动，本实施例中的所述第一传动装置可以为传动带，在其他实施例中所述第一传动装置也可以为传动带。Optionally, in the embodiment, the first driving device 103 is a first variable frequency motor, and the first variable frequency motor is connected to the valve disc clamp 104 by a first transmission device, and the valve disc clamp 104 is driven to be mounted thereon. The safety valve flap 105 on the valve disc clamp 104 is rotated. The first transmission device in this embodiment may be a transmission belt. In other embodiments, the first transmission device may also be a transmission belt.
所述第二安装机构200包括第二底座210、设置在所述第二底座210上用于盛放所述磁流体磨料230的磨料容器220，以及用于驱动所述磨料容器220相对于所述第一安装机构100进行旋转的第二驱动装置240。所述磨料容器220具有容器底部221以及凸设于所述容器底部221的上表面的第一环形容器壁222以及第二环形容器壁223，所述第一环形容器壁222与所述第二环形容器壁223同心设置，两者之间形成容置槽，所述磁流体磨料230盛放在所述容置槽中。所述磨料容器220的数量与所述第一安装台102的数量相对应，每个所述磨料容器220可拆卸的安装在所述第二底座210上。The second mounting mechanism 200 includes a second base 210, an abrasive container 220 disposed on the second base 210 for holding the magnetic fluid abrasive 230, and for driving the abrasive container 220 relative to the The first mounting mechanism 100 rotates the second driving device 240. The abrasive container 220 has a container bottom 221 and a first annular container wall 222 and a second annular container wall 223 protruding from an upper surface of the container bottom 221, the first annular container wall 222 and the second ring The container walls 223 are concentrically disposed with a receiving groove therebetween, and the magnetic fluid abrasive 230 is placed in the receiving groove. The number of the abrasive containers 220 corresponds to the number of the first mounting stations 102, and each of the abrasive containers 220 is detachably mounted on the second base 210.
可选的，所述容置槽的宽度可根据安全阀阀瓣105的尺寸进行调节。Optionally, the width of the receiving groove can be adjusted according to the size of the safety valve flap 105.
本实施例所述的第二驱动装置240为第二变频电机，所述第二变频装置通过作为第二传动装置的涡轮蜗杆减速器250与所述磨料容器220传动连接，并可选择性带动所述磨料容器220转动。 The second driving device 240 in this embodiment is a second variable frequency motor, and the second frequency converting device is connected to the abrasive container 220 through a worm gear reducer 250 as a second transmission device, and can selectively drive the device. The abrasive container 220 is rotated.
本实施例中所述磨料容器220的转动方向以及所述安全阀阀瓣105的转动方向可以相同也可以不同。作为一种可选的技术方案，所述磨料容器220的转动方向间歇性变换，即当沿一个方向在设定的理想转速下转动一定时长后可以调节为沿另一个方向转动。同样的，所述安全阀阀瓣105的转动方向也可以为间歇性变换转动，即当在阀瓣夹具104的带动下，安全阀阀瓣105沿一个方向在设定的理想转速下转动一定时长后可以调节为沿另一个方向转动。通过转动方向的转换可以提高研磨抛光的均匀性，提高加工质量。The direction of rotation of the abrasive container 220 and the direction of rotation of the safety valve flap 105 in this embodiment may be the same or different. As an alternative, the direction of rotation of the abrasive container 220 is intermittently changed, that is, it can be adjusted to rotate in the other direction after being rotated in one direction at a set ideal rotational speed for a certain period of time. Similarly, the rotation direction of the safety valve flap 105 may also be intermittently changed, that is, when the valve clamp 104 is driven, the safety valve flap 105 is rotated in a direction at a set ideal rotation speed for a certain period of time. It can be adjusted to rotate in the other direction. Through the conversion of the rotation direction, the uniformity of the polishing and polishing can be improved, and the processing quality can be improved.
可选的，本实施例中所述第一环形容器壁222远离所述容置槽的一侧以及所述第二环形容器壁223远离所述容置槽的一侧分别对应的设置有第一电磁铁组件以及第二电磁铁组件，所述第一电磁铁组件与所述第二电磁铁组件构成所述磁场发生装置。Optionally, in the embodiment, the first annular container wall 222 is away from the receiving groove and the second annular container wall 223 is disposed away from the receiving groove. The electromagnet assembly and the second electromagnet assembly, the first electromagnet assembly and the second electromagnet assembly constitute the magnetic field generating device.
所述第一电磁铁组件包括沿所述第一环形容器壁222均匀布置的至少一个磁铁，所述第二电磁铁组件包括沿所述第二环形容器壁223均匀布置的至少一个磁铁，可选的，所述第一电磁铁组件与所述第二电磁铁组件中的磁铁数量相同，位置相对应，两对应的磁铁之间形成磁场，作用于磁流体磨料230。The first electromagnet assembly includes at least one magnet uniformly disposed along the first annular container wall 222, and the second electromagnet assembly includes at least one magnet uniformly disposed along the second annular container wall 223, optionally The first electromagnet assembly and the second electromagnet assembly have the same number of magnets, corresponding positions, and a magnetic field is formed between the two corresponding magnets to act on the magnetic fluid abrasive 230.
可选的，所述磁场发生装置相对于所述第二安装机构200的位置可调。Optionally, the position of the magnetic field generating device relative to the second mounting mechanism 200 is adjustable.
所述位置可调包括调整位置以及调整角度，通过在研磨、抛光的过程中改变磁场的方向，从而使磁流体磨料230对安全阀阀瓣105的作用位置发生变化，使得研磨抛光进行的更加均匀。The position adjustment includes adjusting the position and adjusting the angle, and changing the direction of the magnetic field during the grinding and polishing process, thereby changing the position of the magnetic fluid abrasive 230 to the safety valve flap 105, thereby making the grinding and polishing more uniform. .
实施例二：Embodiment 2:
本实施例采用本申请任一实施例提供的安全阀阀瓣磁流体研磨抛光机进行安全阀阀瓣磁流体研磨抛光的方法，包括： The embodiment adopts the safety valve flap magnetic fluid grinding and polishing machine provided by any embodiment of the present application to perform a method for grinding and polishing a safety valve disc magnetic fluid, comprising:
提供盛放有磁流体磨料的容置槽；Providing a receiving groove for holding a magnetic fluid abrasive;
调整所述容置槽周部的磁场角度；以及Adjusting the magnetic field angle of the circumference of the accommodating groove;
控制安全阀阀瓣进入所述容置槽中，并使安全阀阀瓣与所述磁流体磨料发生相对转动进行研磨抛光。The safety valve disc is controlled to enter the accommodating groove, and the safety valve flap and the magnetic fluid abrasive are rotated relative to each other for grinding and polishing.
可选的，所述磁流体磨料包括磁流体以及均匀掺杂在所述磁流体中的研磨颗粒。所述研磨颗粒可根据研磨抛光的精度不同进行选择更换。Optionally, the magnetic fluid abrasive comprises a magnetic fluid and abrasive particles uniformly doped in the magnetic fluid. The abrasive particles can be selectively replaced according to the precision of the polishing and polishing.
实施例三：Embodiment 3:
如图3所示，本实施例中所述的安全阀阀瓣105磁流体研磨抛光机包括用于安装安全阀阀瓣105的第一安装机构100以及用于盛放磁流体磨料的第二安装机构200。所述第一安装机构100可带动所述安全阀阀瓣105选择性进入第二安装机构200中，与其中的所述磁流体磨料相接触并发生相对运动实现对所述安全阀阀瓣105的研磨抛光。所述第二安装机构200还包括磁场发生装置，所述磁场发生装置可以选择性使所述磁流体磨料凝聚，以使所述安全阀阀瓣105的研磨抛光在所述磁流体磨料凝聚的状态下进行。本实施例中所述第一安装台102可以为两个，每个所述第一安装台102上均设置有一个阀瓣夹具104。所述磨料容器220的数量与所述第一安装台102的数量相对应，可选的两者数量相同，磨料容器220为两个。每个所述磨料容器220可拆卸的安装在所述第二底座210上。本实施例中的所述阀瓣夹具104可拆卸的安装在所述第一安装台102上，在使用该安全阀阀瓣105磁流体研磨抛光机对不同尺寸的安全阀阀瓣105进行研磨抛光时可以更换不同的阀瓣夹具104，使得安全阀阀瓣105磁流体研磨抛光机通用性更强。可选的，本实施例中设置两个第一安装台102以及两个阀瓣夹具104，两个磨料容器220能够 通过同一驱动装置或不同驱动装置带动同时转动，同时对多个安全阀阀瓣105进行研磨抛光，具有更高的工作效率。As shown in FIG. 3, the safety valve flap 105 magnetic fluid grinding and polishing machine described in this embodiment includes a first mounting mechanism 100 for mounting a safety valve flap 105 and a second mounting for holding a magnetic fluid abrasive. Agency 200. The first mounting mechanism 100 can drive the safety valve flap 105 to selectively enter the second mounting mechanism 200, and contact the magnetic fluid abrasive therein and perform relative motion to achieve the safety valve flap 105. Grinding and polishing. The second mounting mechanism 200 further includes a magnetic field generating device that selectively agglomerates the magnetic fluid abrasive to cause polishing of the safety valve flap 105 in a state in which the magnetic fluid abrasive is agglomerated Go on. In the embodiment, the first mounting table 102 may be two, and each of the first mounting stations 102 is provided with a valve clamp 104. The number of the abrasive containers 220 corresponds to the number of the first mounting stations 102, the number of which is optional is the same, and the number of the abrasive containers 220 is two. Each of the abrasive containers 220 is detachably mounted on the second base 210. The valve disc clamp 104 in this embodiment is detachably mounted on the first mounting base 102, and the safety valve flap 105 of different sizes is polished and polished by using the safety valve flap 105 magnetic fluid grinding and polishing machine. The different disc clamps 104 can be replaced at the same time, so that the safety valve flap 105 magnetic fluid grinding and polishing machine is more versatile. Optionally, two first mounting stations 102 and two valve clamps 104 are disposed in the embodiment, and the two abrasive containers 220 can Simultaneous rotation by the same driving device or different driving devices, while grinding and polishing a plurality of safety valve flaps 105, has higher working efficiency.
于本文的描述中，术语“第一”、“第二”仅用于在描述上加以区分，不具有特殊含义。In the description herein, the terms "first" and "second" are used only to distinguish between descriptions and have no special meaning.
本申请说明书和权利要求书所使用的一些术语并不是限制，仅仅是为了便于描述。此外，以上多处所述的“一个实施例”、“另一个实施例”等表示不同的实施例，当然也可以将这些实施例全部或部分结合在一个实施例中。Some terms used in the specification and claims of the present application are not limiting, but are merely for convenience of description. In addition, the "one embodiment", "another embodiment", and the like, which are described above, represent different embodiments, and of course, these embodiments may be combined in whole or in part in one embodiment.
工业使用性Industrial use
本申请实施例提供一种安全阀阀瓣磁流体研磨抛光机及抛光方法，通过设计磁流体研磨抛光机，利用磁流体的柔性作用，将磨料分散于磁流体中后，通过外加磁场控制研磨和抛光，使得安全阀阀瓣能够均匀的受到外力作用，从而实现研磨以及抛光修复。 The embodiment of the present application provides a safety valve flap magnetic fluid grinding and polishing machine and a polishing method. The magnetic fluid grinding and polishing machine is designed to utilize the flexible action of the magnetic fluid to disperse the abrasive in the magnetic fluid, and then control the grinding by an external magnetic field. Polishing allows the safety valve flap to be evenly subjected to external forces for grinding and polishing repair.

Claims (10)

  1. 一种安全阀阀瓣磁流体研磨抛光机，包括用于安装安全阀阀瓣的第一安装机构以及用于盛放磁流体磨料的第二安装机构；其中，A safety valve flap magnetic fluid grinding and polishing machine comprising a first mounting mechanism for mounting a safety valve flap and a second mounting mechanism for holding a magnetic fluid abrasive;
    所述第一安装机构可带动所述安全阀阀瓣进入第二安装机构中，与所述磁流体磨料相接触并发生相对运动实现对所述安全阀阀瓣的研磨抛光，所述第二安装机构还包括磁场发生装置，所述磁场发生装置使所述磁流体磨料凝聚，以使所述安全阀阀瓣的研磨抛光在所述磁流体磨料凝聚的状态下进行。The first mounting mechanism can drive the safety valve flap into the second mounting mechanism, contact with the magnetic fluid abrasive and relative movement to achieve grinding and polishing of the safety valve flap, the second installation The mechanism further includes a magnetic field generating device that agglomerates the magnetic fluid abrasive such that grinding and polishing of the safety valve flap is performed in a state where the magnetic fluid abrasive is agglomerated.
  2. 根据权利要求1所述的安全阀阀瓣磁流体研磨抛光机，其中，所述第一安装机构包括第一底座以及设置在所述第一底座的顶部的第一安装台，所述第一安装台上设置有用于安装所述安全阀阀瓣的阀瓣夹具，所述第一安装台为至少一个，每个所述第一安装台上均设置有所述阀瓣夹具，所述阀瓣夹具可拆卸设置。The safety valve flap magnetic fluid grinding and polishing machine of claim 1, wherein the first mounting mechanism comprises a first base and a first mounting station disposed at a top of the first base, the first mounting a valve disc clamp for mounting the safety valve flap is disposed on the stage, the first mounting stage is at least one, and each of the first mounting stages is provided with the valve disc clamp, the valve disc clamp Removable settings.
  3. 根据权利要求2所述的安全阀阀瓣磁流体研磨抛光机，其中，所述第一安装台上还设置有第一驱动装置，所述阀瓣夹具在所述第一驱动装置的驱动下可带动所述安全阀阀瓣在所述磁流体磨料中自转。The safety valve flap magnetic fluid grinding and polishing machine according to claim 2, wherein the first mounting table is further provided with a first driving device, and the valve flap clamp is driven by the first driving device The safety valve flap is driven to rotate in the magnetic fluid abrasive.
  4. 根据权利要求2或3所述的安全阀阀瓣磁流体研磨抛光机，其中，所述第二安装机构包括第二底座、设置在所述第二底座上用于盛放所述磁流体磨料的磨料容器，以及用于驱动所述磨料容器相对于所述第一安装机构进行旋转的第二驱动装置。A safety valve flap magnetic fluid grinding and polishing machine according to claim 2 or 3, wherein said second mounting mechanism comprises a second base disposed on said second base for holding said magnetic fluid abrasive An abrasive container, and a second drive for driving the abrasive container to rotate relative to the first mounting mechanism.
  5. 根据权利要求4所述的安全阀阀瓣磁流体研磨抛光机，其中，所述第一安装台通过支撑杆固定安装在所述第一底座的顶部，所述第二安装机构设置在所述第一安装台与所述第一底座之间的所述支撑杆上，并沿所述支撑杆上下滑动。A safety valve flap magnetic fluid grinding and polishing machine according to claim 4, wherein said first mounting table is fixedly mounted on a top portion of said first base by a support rod, said second mounting mechanism being disposed at said a support rod between the mounting table and the first base, and sliding up and down along the support rod.
  6. 根据权利要求5所述的安全阀阀瓣磁流体研磨抛光机，其中，所述磨料容器具有容器底部、凸设于所述容器底部的上表面的第一环形容器壁以及第二环形容器壁，所述第一环形容器壁与所述第二环形容器壁同心设置，两者之间形成容置槽，所述磁流体磨料盛放在所述容置槽中，所述磨料容器的数量与所述第一安装台的数量相对应，每个所述磨料容器可拆卸的安装在所述第二底座 上。A safety valve flap magnetic fluid grinding and polishing machine according to claim 5, wherein said abrasive container has a container bottom, a first annular container wall projecting from an upper surface of said container bottom, and a second annular container wall, The first annular container wall is concentrically disposed with the second annular container wall, and a accommodating groove is formed therebetween, and the magnetic fluid abrasive is placed in the accommodating groove, and the number of the abrasive container is Corresponding to the number of first mounting stations, each of the abrasive containers is detachably mounted on the second base on.
  7. 根据权利要求6所述的安全阀阀瓣磁流体研磨抛光机，其中，所述第一环形容器壁远离所述容置槽的一侧以及所述第二环形容器壁远离所述容置槽的一侧分别对应的设置有第一电磁铁组件以及第二电磁铁组件，所述第一电磁铁组件与所述第二电磁铁组件构成所述磁场发生装置。The safety valve flap magnetic fluid grinding and polishing machine according to claim 6, wherein a side of the first annular container wall away from the accommodating groove and a wall of the second annular container away from the accommodating groove A first electromagnet assembly and a second electromagnet assembly are respectively disposed on one side, and the first electromagnet assembly and the second electromagnet assembly constitute the magnetic field generating device.
  8. 根据权利要求1所述的安全阀阀瓣磁流体研磨抛光机，其中，所述磁场发生装置相对于所述第二安装机构的位置可调。A safety valve flap magnetic fluid grinding and polishing machine according to claim 1, wherein the position of said magnetic field generating means relative to said second mounting mechanism is adjustable.
  9. 根据权利要求6所述的安全阀阀瓣磁流体研磨抛光机，其中，所述容置槽的宽度根据安全阀阀瓣的尺寸进行调节。The safety valve flap magnetic fluid grinding and polishing machine according to claim 6, wherein the width of the accommodating groove is adjusted according to the size of the safety valve flap.
  10. 一种使用权利要求1-9所述的任一安全阀阀瓣磁流体研磨抛光机进行安全阀阀瓣磁流体研磨抛光的方法，包括：A method for grinding and polishing a safety valve flap magnetic fluid using any of the safety valve flap magnetic fluid grinding and polishing machines of claims 1-9, comprising:
    提供盛放有磁流体磨料的容置槽；Providing a receiving groove for holding a magnetic fluid abrasive;
    调整所述容置槽周部的磁场角度；以及Adjusting the magnetic field angle of the circumference of the accommodating groove;
    控制安全阀阀瓣进入所述容置槽中，并使安全阀阀瓣与所述磁流体磨料发生相对转动进行研磨抛光。 The safety valve disc is controlled to enter the accommodating groove, and the safety valve flap and the magnetic fluid abrasive are rotated relative to each other for grinding and polishing.
PCT/CN2016/106853 2016-09-30 2016-11-23 Machine for grinding and polishing safety valve flap by means of magnetic fluid and polishing method WO2018058772A1 (en)

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