CN109909875A - A kind of charging method and mechanism of the high speed grinding machine for valve stem processing - Google Patents
A kind of charging method and mechanism of the high speed grinding machine for valve stem processing Download PDFInfo
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- CN109909875A CN109909875A CN201910294941.3A CN201910294941A CN109909875A CN 109909875 A CN109909875 A CN 109909875A CN 201910294941 A CN201910294941 A CN 201910294941A CN 109909875 A CN109909875 A CN 109909875A
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- valve stem
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- grinding machine
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Abstract
The present invention provides a kind of charging methods of high speed grinding machine for valve stem processing, and when can solve using lathe in machining valve stem, feeding speed is difficult to the technical issues of being promoted.A kind of charging method of the high speed grinding machine for valve stem processing, it is characterized by comprising following steps, 1, clamping air valve bar, 2, valve stem is transferred to the fixture front end of workpiece spindle and is coaxially disposed with workpiece spindle, 3, under workpiece spindle rotary state, valve stem is headed into the fixture of workpiece spindle front end, 4, fixture clamping air valve bar.Using this method, on the one hand, workpiece spindle will drive valve stem synchronous rotation, valve stem under rotary state can guarantee parallel with the axis of workpiece spindle, that is, be able to achieve valve stem in the relative positioning in fixture, it can be ensured that the precision of clamping, on the other hand, it can be avoided the starting of workpiece spindle and shut down, effectively promote the feeding speed of valve stem, also just improve the processing efficiency of valve stem.
Description
Technical field
The present invention relates to grinding machine technical fields, and in particular to the grinding machine for valve stem processing, and in particular to one kind is used for
The charging method and mechanism of the high speed grinding machine of valve stem processing.
Background technique
The semi-finished product of valve stem need to be further processed using numerically controlled lathe, and the feeding of traditional numeric-control lathe is stopped in workpiece spindle
It is carried out in the state of turning, i.e., each feeding all refers to the positioning of valve stem, the starting of workpiece spindle and shuts down, and leads to valve stem
Feeding speed is difficult to be promoted, and also valve stem processing efficiency is just caused to be difficult to be promoted.
Summary of the invention
The present invention provides a kind of charging methods of high speed grinding machine for valve stem processing, can solve using numerical control lathe
When bed processing valve stem, feeding speed is difficult to the technical issues of being promoted.
A kind of charging method of the high speed grinding machine for valve stem processing, it is characterised in that: include the following steps, 1, clamping
Valve stem, 2, valve stem is transferred to the fixture front end of workpiece spindle and is coaxially disposed with workpiece spindle, 3, in workpiece spindle rotary state
Under, valve stem is headed into the fixture of workpiece spindle front end, 4, fixture clamping air valve bar.
In addition, the present invention also provides a kind of feed mechanisms of high speed grinding machine for valve stem processing, it is characterised in that:
Including oscillating arm mechanisms, gripper and material jacking mechanism；
The oscillating arm mechanisms include swing arm, servo motor and speed reducer, and the swing arm is installed on the output end of speed reducer, described to subtract
Fast machine is connect with the servo motor transmission；
The gripper is installed on the swing arm；
The material jacking mechanism includes material ejection cylinder and top material head, and the piston rod end of the material ejection cylinder is flexibly connected by bearing
There is a top material head, the piston rod of the material ejection cylinder and workpiece spindle of grinding machine is parallel or coaxial arrangement.
Further, the feed mechanism further includes feeding conveyor structure, the feeding conveyor structure include guided way and
The belt parallel, spaced-apart of belt gear, the guided way and the belt gear is arranged.
Further, one end of fixture of the feeding conveyor structure close to workpiece spindle is provided with close to switch and limit
Mechanism, the position-limit mechanism include upper material blocking rod and the lower material blocking rod below upper material blocking rod, the upper material blocking rod and described
Lower material blocking rod is separately connected backgauge cylinder, described to electricly connect respectively with controller close to switch and the backgauge cylinder.
Further, the outer ring of bearing is installed on top material head and is limited by the interior step surface of top material head and gland cooperation,
The inner ring of bearing is installed on connecting rod and by the between outer land terrace of connecting rod and retaining ring cooperation limit, and the connecting rod is co-axially mounted
In the piston rod end of material ejection cylinder.
Further, the material ejecting structure further includes liftout bracket, slide unit and slide, and the material ejection cylinder is installed on institute
It states on slide unit, the slide unit is slidably matched with the slide by dovetail configuration, and the slide is installed on the liftout bracket, institute
It states liftout bracket and is located at the two sides position of the slide unit and limit plate is symmetrically installed, the limit plate is along the slide unit side of movement
To kidney slot is offered, the limit plate and the slide unit are fastenedly connected after bolt-through kidney slot.
Charging method of the invention can realize the feeding of valve stem under workpiece spindle rotary state, on the one hand, workpiece spindle
It will drive valve stem synchronous rotation, the valve stem under rotary state can guarantee parallel with the axis of workpiece spindle, that is, be able to achieve gas
Door rod is in the relative positioning in fixture, it can be ensured that on the other hand the precision of clamping can be avoided starting and the pass of workpiece spindle
Stop, effectively promotes the feeding speed of valve stem, also just improve the processing efficiency of valve stem.
Feed mechanism of the invention, gripper are used for clamping air valve bar, and oscillating arm mechanisms are used to that gripper to be driven to swing, so that
It is transferred between material jacking mechanism and workpiece spindle by the valve stem that gripper clamps and is coaxially disposed with workpiece spindle, material jacking mechanism is used
In in the fixture that valve stem is headed into workpiece spindle under workpiece spindle rotary state, on the one hand, head into fixture in valve stem and press from both sides
During tool does not clamp, workpiece spindle will drive valve stem synchronous rotation, and the valve stem under rotary state can guarantee and workpiece
The axis of axis is parallel, that is, is able to achieve valve stem in the relative positioning in fixture, it is ensured that on the other hand clamp precision avoids workpiece
It the starting of axis and shuts down, effectively promotes the feeding speed of valve stem, also just improve the processing efficiency of valve stem.
Detailed description of the invention
Fig. 1 is the structural schematic diagram at the first visual angle of feed mechanism of the invention.
Fig. 2 is the structural schematic diagram at the second visual angle of feed mechanism of the invention, and feeding conveyor is omitted.
Fig. 3 is oscillating arm mechanisms of the invention, the assembling structure schematic diagram of gripper.
Fig. 4 is the schematic diagram of the section structure of feeding conveyor structure of the invention.
Fig. 5 is the structural schematic diagram of material jacking mechanism of the invention.
Fig. 6 is the assembling structure schematic diagram of top material head of the invention.
Specific embodiment
A kind of charging method of the high speed grinding machine for valve stem processing, includes the following steps, 1, clamping air valve bar, 2, general
Valve stem is transferred to the fixture front end of workpiece spindle and is coaxially disposed with workpiece spindle, 3, under workpiece spindle rotary state, by valve stem
It heads into the fixture of workpiece spindle front end, 4, fixture clamping air valve bar.Wherein, step 3, it can unclamp in gripper to valve stem
Moment quick liftout is accommodated, gripper unclamps moment, and gripper relieves the grip to valve stem, but still has to valve stem
Position-limiting action, at this point, valve stem is quickly headed into fixture by material jacking mechanism.
A kind of feed mechanism of the high speed grinding machine for valve stem processing, as shown in Fig. 1 ~ Fig. 6, including material conveyer structure
110, oscillating arm mechanisms 130, gripper 120 and material jacking mechanism 140；
Feeding conveyor structure 110 includes guided way 111 and belt gear, and belt gear includes belt 112, belt pulley
And charging motor, 112 parallel, spaced-apart of the belt setting of guided way 111 and belt gear, feeding conveyor structure 110 are close
It includes upper 114 He of material blocking rod that one end of the fixture of workpiece spindle, which is provided with close to switch (not shown) and position-limit mechanism, position-limit mechanism,
Lower material blocking rod 113 positioned at upper 114 lower section of material blocking rod, upper material blocking rod 114 and lower material blocking rod 113 are separately connected backgauge cylinder 115,
Be respectively arranged in charging support 116 close to switch, backgauge cylinder 115, belt pulley and motor, approach switch, backgauge cylinder 115,
Charging motor is electricly connected with controller respectively；
Oscillating arm mechanisms 130 include swing arm 131, servo motor 133 and speed reducer 132, and swing arm 131 is installed on the defeated of speed reducer 132
Outlet, speed reducer 132 are connect with servo motor transmission, and speed reducer 132 and servo motor 133 are installed on oscillating arm bracket 134；
Gripper 120 is installed on swing arm 131；
Material jacking mechanism 140 includes material ejection cylinder 141 and top material head 142, and the piston rod end of material ejection cylinder 141 passes through bearing 144
It is connected with top material head 142, specifically, the outer ring of bearing 144 is installed on top material head 142 and passes through the interior platform of top material head 142
Terrace and the cooperation limit of gland 1451, the inner ring of bearing 144 are installed on connecting rod 143 and pass through the between outer land terrace of connecting rod 143
Cooperate with retaining ring 1452 and limit, connecting rod 143 is coaxially installed on the piston rod end of material ejection cylinder 141, the work of material ejection cylinder 141
Stopper rod is parallel with the workpiece spindle of grinding machine or coaxial arrangement, the setting of bearing can reduce or eliminate during liftout by valve stem
The torsion of the workpiece spindle of transmitting, and then there is protective effect to the piston rod of material ejection cylinder；Material ejecting structure further includes liftout bracket
147, slide unit 1461 and slide 1462, material ejection cylinder 141 are installed on slide unit 1461, and slide unit 1461 and slide 1462 pass through dovetail
Structure is slidably matched, and slide 1462 is installed on liftout bracket 147, and the two sides position that liftout bracket 147 is located at slide unit 1461 is symmetrical
Ground is equipped with limit plate 148, and limit plate 148 offers kidney slot 1481, bolt-through kidney slot along 1461 moving direction of slide unit
Limit plate 148, slide unit 1461, slide 1462 are fastenedly connected afterwards, material jacking mechanism is by the cooperation of slide unit, slide so that liftout gas
Cylinder is adjusted along the direction of parallel workpiece spindle axis, easy to adjust, adaptability is good to adapt to the size requirement of valve stem.
The working principle of the feed mechanism of high speed grinding machine for valve stem processing of the invention is as follows:
1, the conveying of valve stem, valve stem to erect and inverted state is conveyed, i.e., valve disc in the upper, body of rod under,
The two sides of valve disc are taken respectively to be put on guided way and belt, and the body of rod of valve stem falls into the channel between guided way and belt,
Drive valve stem mobile by the friction of belt, when close to switch detection valve stem close to terminal position, controller control gear
Expect that cylinder moving, upper and lower material blocking rod stretch out under the action of backgauge cylinder, valve stem is stopped, stops at terminal position；
2, the valve stem of shape is erect in the clamping of valve stem, gripper clamping；
3, the transfer of valve stem, swing mechanism drive gripper, valve stem to be rotated by 90 ° so that valve stem fall in material jacking mechanism and
(being horizontally disposed in figure) is coaxially disposed between the fixture of workpiece spindle front end and with workpiece spindle；
4, the liftout of valve stem, under workpiece spindle rotary state, valve stem is headed into fixture by material jacking mechanism；
5, the fixation of valve stem, fixture clamping, fixed valve stem.
Claims (6)
1. a kind of charging method of the high speed grinding machine for valve stem processing, it is characterised in that: include the following steps, 1, clamping gas
Door rod, 2, valve stem is transferred to the fixture front end of workpiece spindle and is coaxially disposed with workpiece spindle, 3, under workpiece spindle rotary state,
Valve stem is headed into the fixture of workpiece spindle front end, 4, fixture clamping air valve bar.
2. it is a kind of for valve stem processing high speed grinding machine feed mechanism, it is characterised in that: including oscillating arm mechanisms, gripper and
Material jacking mechanism；
The oscillating arm mechanisms include swing arm, servo motor and speed reducer, and the swing arm is installed on the output end of speed reducer, described to subtract
Fast machine is connect with the servo motor transmission；
The gripper is installed on the swing arm；
The material jacking mechanism includes material ejection cylinder and top material head, and the piston rod end of the material ejection cylinder is flexibly connected by bearing
There is a top material head, the piston rod of the material ejection cylinder and workpiece spindle of grinding machine is parallel or coaxial arrangement.
3. a kind of feed mechanism of high speed grinding machine for valve stem processing according to claim 2, it is characterised in that: institute
Stating feed mechanism further includes feeding conveyor structure, and the feeding conveyor structure includes guided way and belt gear, described to lead
It is arranged to the belt parallel, spaced-apart of rail and the belt gear.
4. a kind of feed mechanism of high speed grinding machine for valve stem processing according to claim 3, it is characterised in that: institute
It states feeding conveyor structure and is provided with close to one end of the fixture of workpiece spindle close to switch and position-limit mechanism, the position-limit mechanism and include
Upper material blocking rod and the lower material blocking rod below upper material blocking rod, the upper material blocking rod and the lower material blocking rod are separately connected backgauge gas
Cylinder, it is described to be electricly connected respectively with controller close to switch and the backgauge cylinder.
5. a kind of feed mechanism of high speed grinding machine for valve stem processing according to claim 2, it is characterised in that: axis
The outer ring held is installed on top material head and by the interior step surface of top material head and gland cooperation limit, and the inner ring of bearing is installed on connection
Bar is simultaneously limited by the between outer land terrace of connecting rod and retaining ring cooperation, and the connecting rod is coaxially installed on the tailpiece of the piston rod of material ejection cylinder
Portion.
6. a kind of feed mechanism of high speed grinding machine for valve stem processing according to claim 5, it is characterised in that: institute
Stating material ejecting structure further includes liftout bracket, slide unit and slide, and the material ejection cylinder is installed on the slide unit, the slide unit and institute
It states slide to be slidably matched by dovetail configuration, the slide is installed on the liftout bracket, and the liftout bracket is located at the cunning
The two sides position of platform is symmetrically equipped with limit plate, and the limit plate offers kidney slot, bolt along the slide unit moving direction
The limit plate and the slide unit are fastenedly connected after kidney slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294941.3A CN109909875A (en) | 2019-04-12 | 2019-04-12 | A kind of charging method and mechanism of the high speed grinding machine for valve stem processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294941.3A CN109909875A (en) | 2019-04-12 | 2019-04-12 | A kind of charging method and mechanism of the high speed grinding machine for valve stem processing |
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| CN109909875A true CN109909875A (en) | 2019-06-21 |
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| CN201910294941.3A Pending CN109909875A (en) | 2019-04-12 | 2019-04-12 | A kind of charging method and mechanism of the high speed grinding machine for valve stem processing |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1047020A (en) * | 1996-08-05 | 1998-02-17 | Riken Corp | Valve lifter for internal combustion engine, manufacture of the valve lifter, and automatic grinder |
| CN101204788A (en) * | 2007-12-16 | 2008-06-25 | 范文利 | Valve grinder automatic loading and unloading system |
| CN201579661U (en) * | 2009-12-30 | 2010-09-15 | 马勒三环气门驱动(湖北)有限公司 | Numerical control type automatic grinding machine at end surface of valve stem |
| CN201632650U (en) * | 2010-03-29 | 2010-11-17 | 山东白马永诚数控机床有限公司 | Automatic material loading device of air door numerically controlled lathe |
| CN202079453U (en) * | 2011-04-23 | 2011-12-21 | 湖南安福气门有限公司 | Full-automatic air valve line grinder |
| CN203579186U (en) * | 2013-11-06 | 2014-05-07 | 湖南天雁机械有限责任公司 | Air valve blank total length cutting device |
| CN104400535A (en) * | 2014-10-21 | 2015-03-11 | 马勒三环气门驱动(湖北)有限公司 | Air valve feeding box device and operation method thereof |
| CN205673624U (en) * | 2016-06-07 | 2016-11-09 | 冯振华 | A kind of turning attachment |
| CN108942443A (en) * | 2017-05-20 | 2018-12-07 | 无锡键禾数控机床有限公司 | A kind of feeding device of air-valve rod-part numerical control centerless grinding machine |
| CN209919622U (en) * | 2019-04-12 | 2020-01-10 | 无锡机床股份有限公司 | A feed mechanism for high-speed grinding machine of valve stem processing |
-
2019
- 2019-04-12 CN CN201910294941.3A patent/CN109909875A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1047020A (en) * | 1996-08-05 | 1998-02-17 | Riken Corp | Valve lifter for internal combustion engine, manufacture of the valve lifter, and automatic grinder |
| CN101204788A (en) * | 2007-12-16 | 2008-06-25 | 范文利 | Valve grinder automatic loading and unloading system |
| CN201579661U (en) * | 2009-12-30 | 2010-09-15 | 马勒三环气门驱动(湖北)有限公司 | Numerical control type automatic grinding machine at end surface of valve stem |
| CN201632650U (en) * | 2010-03-29 | 2010-11-17 | 山东白马永诚数控机床有限公司 | Automatic material loading device of air door numerically controlled lathe |
| CN202079453U (en) * | 2011-04-23 | 2011-12-21 | 湖南安福气门有限公司 | Full-automatic air valve line grinder |
| CN203579186U (en) * | 2013-11-06 | 2014-05-07 | 湖南天雁机械有限责任公司 | Air valve blank total length cutting device |
| CN104400535A (en) * | 2014-10-21 | 2015-03-11 | 马勒三环气门驱动(湖北)有限公司 | Air valve feeding box device and operation method thereof |
| CN205673624U (en) * | 2016-06-07 | 2016-11-09 | 冯振华 | A kind of turning attachment |
| CN108942443A (en) * | 2017-05-20 | 2018-12-07 | 无锡键禾数控机床有限公司 | A kind of feeding device of air-valve rod-part numerical control centerless grinding machine |
| CN209919622U (en) * | 2019-04-12 | 2020-01-10 | 无锡机床股份有限公司 | A feed mechanism for high-speed grinding machine of valve stem processing |
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