CN202763620U - Grinder used for machining valve body sealing face - Google Patents

Grinder used for machining valve body sealing face Download PDF

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Publication number
CN202763620U
CN202763620U CN201220496643.6U CN201220496643U CN202763620U CN 202763620 U CN202763620 U CN 202763620U CN 201220496643 U CN201220496643 U CN 201220496643U CN 202763620 U CN202763620 U CN 202763620U
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China
Prior art keywords
cylinder
box
main shaft
valve body
push
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Withdrawn - After Issue
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CN201220496643.6U
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Chinese (zh)
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赵泽忠
高亚平
陆凡
顾永银
高德才
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JIANGSU XINGYA MARINE VALVE CO Ltd
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JIANGSU XINGYA MARINE VALVE CO Ltd
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    • 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
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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Abstract

The utility model relates to a grinder used for machining a valve body sealing face. The grinder comprises a main box body, a driving mechanism, a main shaft and a grinding head. A workpiece fixing mechanism comprises a cylinder. The extended end of the cylinder is provided with a workpiece pressing plate. The driving mechanism is connected with the grinding head through the main shaft and a drive shaft. The driving mechanism comprises a spindle motor and a lifting motor. The spindle motor is connected with the main shaft through a gear case. The lifting motor is connected with the main shaft through a worm and a gear and drives the main shaft to move up and down. A push-pull mechanism is arranged under the driving mechanism, wherein the push-pull mechanism is composed of a spring and a cylinder. The push-pull mechanism is capable of driving the driving mechanism to do up-and-down motion and also driving the grinding head to lift. The push-pull mechanism drives the driving mechanism to move up and down, enabling the upward lifting force of the grinding head to be controlled between 30 kilograms and 70 kilograms, thereby satisfying the working pressure need for grinding the sealing face. A programmable logic controller (PLC) controls the forward and reverse rotation of the spindle motor through a frequency changer, thereby improving the grinding quality and efficiency. The grinder used for machining the valve body sealing face has the advantages of being high in degree of automation, good in processing quality and high in working efficiency.

Description

The grinding machine that is used for the processing valve body sealing surface
Technical field
The utility model relates to grinding machine, especially a kind of special purpose grinder for the processing valve body sealing surface.
Background technology
The sealing effectiveness of valve is the important indicator of weighing valve mass, common valve generally is after by lathe its sealing surface being carried out turning processing, seal with soft sealing ring again, the sealing effectiveness of this class valve mainly relies on sealing ring, the long-term use easily leaked, service life is short, and reliability is not high.The existing valve that adopts the hard sealing, reliability is higher, long service life.This class valve also will carry out grinding to sealing surface after the turning sealing surface, make valve sealing face reach higher flatness and roughness, thereby need not to use sealing ring also can reach preferably sealing effectiveness.
At present, existing valve manufacturing industry for the grinding of valve body inner sealing surface usually by manually carrying out, particularly for the valve of small volume, general electrician or pneumatic tools can't extend in the valve body, often can only by manually with sand paper or emery cloth to the valve body sealing surface processing of polishing, not only grinding quality is relatively poor for this artificial grinding processing method, and consumes in a large number manpower, working strength is large, can't satisfy the needs of large-scale industrial production.
The utility model content
For the deficiency of above existing valve body inner sealing surface processing unit (plant), the purpose of this utility model provides a kind of grinding machine for the processing valve body sealing surface, and this grinding machine automaticity is high, and crudy is good, high efficiency.
The purpose of this utility model is achieved by the following technical solution:
The grinding machine that is used for the processing valve body sealing surface, comprise main box, driving mechanism, the workpiece fixed mechanism, control device, main shaft and bistrique, the upper surface of described main box is provided with workbench, workbench is provided with the workpiece fixed mechanism, described workpiece fixed mechanism is made of upper box and cylinder I, upper box is located on the described workbench and is connected with main box and fixes, upper box is made of the cylinder block of vertically disposed column and horizontally set, described cylinder I is fixed on the cylinder block downward vertically, the external part of cylinder I is provided with work clamp, and work clamp is parallel to described workbench;
Described driving mechanism is located in the main box, and bistrique is located on the workbench, and driving mechanism is connected with bistrique with power transmission shaft by described main shaft, and can drive bistrique rotation and oscilaltion campaign;
Described driving mechanism comprises main spindle box, spindle motor, lifting motor, speed changer and gear-box, and described spindle motor is connected with main shaft in the main spindle box by gear-box, and main spindle box is connected with the sidewall of main box by slide rail; Described lifting motor is connected with described main shaft with worm-and-wheel gear by speed changer, and can drive shaft oscilaltion campaign;
Be provided with the push-pull mechanism that is comprised of spring and cylinder between the base plate of described driving mechanism and main box, described push-pull mechanism can drive whole driving mechanism and move up and down along described slide rail, drives simultaneously described bistrique oscilaltion campaign.
As optimal technical scheme of the present utility model, described push-pull mechanism is located between the base plate of described gear-box and main box, push-pull mechanism comprises two cylinders and at least two springs, the cylinder III that described two cylinders comprise for the cylinder II that upwards pushes away and are used for pulling down.
As optimal technical scheme of the present utility model, described main shaft is connected with described power transmission shaft by universal joint, is provided with sliding bearing between power transmission shaft and the workbench, and the upper end of power transmission shaft connects described bistrique.
As optimal technical scheme of the present utility model, be provided with the cylinder IV of horizontally set in the cylinder block of described upper box, the expansion link of described cylinder I is provided with spacing hole or stopper slot, and the external part of cylinder IV is provided with the location structure suitable with described spacing hole or stopper slot.
As optimal technical scheme of the present utility model, described control device comprises PLC controller, frequency converter, magnetic valve and optoelectronic switch, described PLC controller is connected with spindle motor by frequency converter, and the control spindle motor carries out forward and reverse alternately rotatablely moving; Described PLC controller is controlled respectively described cylinder moving by magnetic valve.
As optimal technical scheme of the present utility model, described lifting motor also is provided with band type brake apparatus, and described PLC controller is by lifting and the location of optoelectronic switch and band type brake apparatus control main shaft.
As optimal technical scheme of the present utility model, described push-pull mechanism drives the lifting force that described bistrique moves upward and is controlled at 30Kg to 70Kg.
The beneficial effects of the utility model are: with respect to prior art, the utility model adopts PLC controller, worm-and-wheel gear and band type brake apparatus control main shaft to move up and down, and positions when controlling simultaneously lifting spindle to the operating position; The push-pull mechanism push-and-pull driving mechanism that utilizes spring and cylinder to form moves up and down, and the lifting force that bistrique is made progress is controlled at 30-70Kg, thereby satisfies the operating pressure requirement of grinding valve inner sealing surface; The PLC controller is conducive to strengthen the ground effect of bistrique by the forward and reverse alternately rotation of Frequency Converter Control spindle motor, improves grinding quality and grinding efficiency.The utility model grinding machine automaticity is high, good, the high efficiency of crudy.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment:
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is side-looking structural representation of the present utility model.
The specific embodiment
As depicted in figs. 1 and 2, the grinding machine that is used for the processing valve body sealing surface, comprise main box 1, driving mechanism, the workpiece fixed mechanism, control device, main shaft and bistrique 4, the upper surface of main box 1 is provided with workbench 22, workbench 22 is provided with the workpiece fixed mechanism, the workpiece fixed mechanism is made of upper box 2 and cylinder I 3, upper box 2 is located on the workbench 22 and is connected with main box 1 and fixes, upper box 2 is made of the cylinder block of vertically disposed column and horizontally set, cylinder I 3 is fixed on the cylinder block downward vertically, the external part of cylinder I 3 is provided with work clamp 16, and work clamp 16 is parallel to workbench 22.Described driving mechanism is located in the main box 1, and bistrique 4 is located on the workbench 22, and driving mechanism is connected with power transmission shaft by main shaft and is connected with bistrique 4, and can drive bistrique 4 rotation and oscilaltion campaigns.Driving mechanism comprises main spindle box 5, spindle motor 6, lifting motor 17, speed changer and gear-box 7, and spindle motor 6 is connected with main shaft in the main spindle box 5 by gear-box 7, and main spindle box 5 passes through slide rail 18 and is connected with the sidewall of main box 1; Lifting motor 17 is connected with main shaft with worm-and-wheel gear by speed changer, and can drive shaft oscilaltion campaign.Be provided with the push-pull mechanism that is comprised of spring and cylinder between the base plate 11 of driving mechanism and main box 1, push-pull mechanism can drive whole driving mechanism and move up and down along slide rail 18, is with simultaneously rotary bistrique 4 oscilaltion campaigns.
In the present embodiment, described push-pull mechanism is located between the base plate 11 of gear-box 7 and main box, and push-pull mechanism comprises two cylinders and at least two springs 13, the cylinder III 9 that described two cylinders comprise for the cylinder II 8 that upwards pushes away and are used for pulling down.The main shaft of main spindle box 5 is connected with power transmission shaft 20 by universal joint 21, is provided with sliding bearing between power transmission shaft 20 and the workbench 22, and the upper end of power transmission shaft 20 connects bistrique 4.
Described control device comprises PLC controller 14, frequency converter, magnetic valve 10 and optoelectronic switch, the PLC controller is connected with spindle motor 6 by frequency converter, and control spindle motor 6 and carry out forward and reverse alternately rotatablely moving, the PLC controller is controlled respectively the motion of each cylinder by magnetic valve.Horizontally set cylinder IV 15 in the cylinder block of present embodiment upper box 2, the expansion link of cylinder I 3 is provided with spacing hole or stopper slot, the external part of cylinder IV 15 is provided with the location structure suitable with described spacing hole or stopper slot, and the PLC controller carries out the position for the expansion link of cylinder I 3 and work clamp 16 by solenoid control cylinder IV 15 and fixes.
Present embodiment lifting motor 17 also is provided with band type brake apparatus, and the PLC controller is by lifting and the location of optoelectronic switch and band type brake apparatus control main shaft.The lifting force that push-pull mechanism band rotary bistrique 4 moves upward is controlled at 30Kg to 70Kg, to satisfy the operating pressure requirement of bistrique 4 grinding valve inner sealing surfaces.
In the course of work, will treat that the inner sealing surface of valve grinding body is placed on the top of bistrique 4 downwards, the PLC controller drives work clamp 16 by cylinder I 3 and compresses valve body, and the driving mechanism drive shaft rises and rotation, arrives at simultaneously the sealing surface position of valve body with rotary bistrique 4; The PLC controller drives push-pull mechanism upwards by cylinder II 8 and cylinder III 9, makes bistrique 4 apply the sealing surface that enough pressure is pushed down valve body in rotation; The PLC controller carries out forward by Frequency Converter Control spindle motor 6 and oppositely alternately rotatablely moves, and makes bistrique 4 rotary grinding that moves in circles, thereby improves grinding efficiency and grinding quality; After the grinding of valve body inner sealing surface was finished, PLC controller control push-pull mechanism moved downward, and simultaneously, descended and stopped the rotation by the driving mechanism drive shaft; Cylinder I 3 drives work clamp 16 and rises, and takes the valve body that machines away.

Claims (7)

1.一种用于加工阀体密封面的磨床，包括主箱体、驱动机构、工件固定机构、控制装置、主轴和磨头，所述主箱体的上表面设有工作台，工作台上设有工件固定机构，其特征是：所述工件固定机构由上箱体和气缸Ⅰ构成，上箱体设在所述工作台之上并与主箱体连接和固定，上箱体由垂直设置的立柱和横向设置的气缸座构成，所述气缸Ⅰ向下垂直固定在气缸座上，气缸Ⅰ的伸出端设有工件压板，工件压板平行于所述工作台；1. A grinding machine for processing the sealing surface of a valve body, comprising a main box body, a drive mechanism, a workpiece fixing mechanism, a control device, a main shaft and a grinding head, the upper surface of the main box body is provided with a workbench, and on the workbench There is a workpiece fixing mechanism, which is characterized in that: the workpiece fixing mechanism is composed of an upper box and a cylinder I, the upper box is set on the workbench and connected and fixed with the main box, and the upper box is arranged vertically The vertical column and the cylinder seat arranged horizontally, the cylinder I is vertically fixed on the cylinder seat downward, the protruding end of the cylinder I is provided with a workpiece pressure plate, and the workpiece pressure plate is parallel to the workbench; 所述驱动机构设在主箱体内，磨头设在工作台上，驱动机构通过所述主轴和传动轴与磨头连接，并可以驱动磨头旋转和上下升降运动；The driving mechanism is arranged in the main box body, the grinding head is arranged on the workbench, the driving mechanism is connected with the grinding head through the main shaft and the transmission shaft, and can drive the grinding head to rotate and move up and down; 所述驱动机构包括主轴箱、主轴电机、升降电机、变速器和齿轮箱，所述主轴电机通过齿轮箱与主轴箱内的主轴连接，主轴箱通过滑轨与主箱体的侧壁连接；所述升降电机通过变速器和蜗轮蜗杆机构与所述主轴连接，并可以驱动主轴上下升降运动；The drive mechanism includes a spindle box, a spindle motor, a lifting motor, a speed changer and a gear box, the spindle motor is connected with the main shaft in the spindle box through the gear box, and the spindle box is connected with the side wall of the main box through a slide rail; The lifting motor is connected to the main shaft through a transmission and a worm gear mechanism, and can drive the main shaft to move up and down; 所述驱动机构与主箱体的底板之间设有由弹簧和气缸组成的推拉机构，所述推拉机构可以驱动整个驱动机构沿所述滑轨上下运动，同时带动所述磨头上下升降运动。A push-pull mechanism consisting of a spring and a cylinder is arranged between the drive mechanism and the bottom plate of the main box. The push-pull mechanism can drive the entire drive mechanism to move up and down along the slide rail, and simultaneously drive the grinding head to move up and down. 2.根据权利要求1所述的用于加工阀体密封面的磨床，其特征是：所述推拉机构设在所述齿轮箱与主箱体的底板之间，推拉机构包括两个气缸和至少两个弹簧，所述两个气缸包括用于向上推的气缸Ⅱ和用于向下拉的气缸Ⅲ。2. The grinding machine for processing the sealing surface of valve body according to claim 1, characterized in that: the push-pull mechanism is arranged between the bottom plate of the gear box and the main box, and the push-pull mechanism includes two cylinders and at least Two springs, the two cylinders include cylinder II for pushing up and cylinder III for pulling down. 3.根据权利要求1或2所述的用于加工阀体密封面的磨床，其特征是：所述主轴通过万向节与所述传动轴连接，传动轴与工作台之间设有滑动轴承，传动轴的上端连接所述磨头。3. The grinding machine for processing the sealing surface of a valve body according to claim 1 or 2, characterized in that: the main shaft is connected to the transmission shaft through a universal joint, and a sliding bearing is arranged between the transmission shaft and the workbench , the upper end of the drive shaft is connected to the grinding head. 4.根据权利要求1所述的用于加工阀体密封面的磨床，其特征是：所述上箱体的气缸座内设有横向设置的气缸Ⅳ，所述气缸Ⅰ的伸缩杆上设有限位孔或限位槽，气缸Ⅳ的伸出端设有与所述限位孔或限位槽相适配的定位结构。4. The grinding machine for processing the sealing surface of the valve body according to claim 1, characterized in that: the cylinder seat of the upper box is provided with a horizontal cylinder IV, and the telescopic rod of the cylinder I is provided with a limiter. A positioning hole or a limiting groove, and the extending end of the cylinder IV is provided with a positioning structure adapted to the limiting hole or the limiting groove. 5.根据权利要求1所述的用于加工阀体密封面的磨床，其特征是：所述控制装置包括PLC控制器、变频器、电磁阀和光电开关，所述PLC控制器通过变频器与主轴电机连接，并控制主轴电机进行正向和反向的交替旋转运动；所述PLC控制器通过电磁阀分别控制所述气缸运动。5. The grinding machine for processing the sealing surface of valve body according to claim 1, characterized in that: the control device includes a PLC controller, a frequency converter, a solenoid valve and a photoelectric switch, and the PLC controller communicates with the The main shaft motor is connected, and the main shaft motor is controlled to perform alternate forward and reverse rotational motions; the PLC controller controls the movement of the cylinders respectively through solenoid valves. 6.根据权利要求1或5所述的用于加工阀体密封面的磨床，其特征是：所述升降电机还设有抱刹装置，所述PLC控制器通过光电开关和抱刹装置控制主轴的升降和定位。6. The grinding machine for processing the sealing surface of a valve body according to claim 1 or 5, characterized in that: the lifting motor is also provided with a brake device, and the PLC controller controls the main shaft through the photoelectric switch and the brake device lifting and positioning. 7.根据权利要求1所述的用于加工阀体密封面的磨床，其特征是：所述推拉机构带动所述磨头向上运动的举升力控制在30Kg至70Kg。7. The grinding machine for processing the sealing surface of a valve body according to claim 1, characterized in that: the lifting force of the push-pull mechanism driving the grinding head to move upward is controlled at 30Kg to 70Kg.
CN201220496643.6U 2012-09-26 2012-09-26 Grinder used for machining valve body sealing face Withdrawn - After Issue CN202763620U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201220496643.6U CN202763620U (en) 2012-09-26 2012-09-26 Grinder used for machining valve body sealing face

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Application Number Priority Date Filing Date Title
CN201220496643.6U CN202763620U (en) 2012-09-26 2012-09-26 Grinder used for machining valve body sealing face

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102896569A (en) * 2012-09-26 2013-01-30 江苏兴亚船用阀门有限公司 Grinder for machining sealing surface of valve body
CN106112738A (en) * 2016-08-17 2016-11-16 常熟市众盈电子有限公司 A kind of sanding apparatus in iron core production process

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102896569A (en) * 2012-09-26 2013-01-30 江苏兴亚船用阀门有限公司 Grinder for machining sealing surface of valve body
CN102896569B (en) * 2012-09-26 2015-03-25 江苏兴亚船用阀门有限公司 Grinder for machining sealing surface of valve body
CN106112738A (en) * 2016-08-17 2016-11-16 常熟市众盈电子有限公司 A kind of sanding apparatus in iron core production process

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