CN202155744U - Pneumatic tool rest feeding mechanism - Google Patents
Pneumatic tool rest feeding mechanism Download PDFInfo
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- CN202155744U CN202155744U CN2011202365577U CN201120236557U CN202155744U CN 202155744 U CN202155744 U CN 202155744U CN 2011202365577 U CN2011202365577 U CN 2011202365577U CN 201120236557 U CN201120236557 U CN 201120236557U CN 202155744 U CN202155744 U CN 202155744U
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Abstract
A pneumatic tool rest feeding mechanism comprises a driving cylinder, he driving cylinder is internally provide with a damping piston and a driving piston from the front to the rear and the driving cylinder is divided into a damping oil cavity, a front air cavity and a rear air cavity, a piston rod is arranged in the driving piston in a penetrating way, the piston rod penetrates through the damping piston and two ends of the driving cylinder, then extends forwards and backwards and slides relatively to the damping piston and the two ends of the driving cylinder, the piston rod is fixedly connected with the driving piston, an oil discharging hole which is connected with damping oil cavity and a rear air hole which is connected with the rear air cavity are arranged on a driving cylinder cavity, the oil discharging hole is connected with an oil storage device by a one-way throttle valve, the oil storage device is an oil storage tank which is internally provided with a piston body with out a rod, an oil storage cylinder cavity is divided into an air cavity and an oil cavity, an air inlet which is connected with the air cavity and an oil outlet which is connected with the oil cavity are arranged on the oil storage cylinder, a front hole which is connected with the front air cavity is arranged in the piston rod, and the rear end of the damping piston is provided with a plurality of damping stroke limiting rods which is used for limiting the work carrying process. The pneumatic tool rest feeding mechanism is fast in tool returning speed, adjustable in work carrying process and high in working efficiency.
Description
(1) technical field
The utility model relates to a kind of pneumatic knife rest feed mechanism.
(2) background technology
Automatic lathe is widely used in machining, and automatic lathe generally comprises clamp mechanism that is used for to be processed of clamping and the knife rest feed mechanism that drives the knife rest motion.Pneumatic knife rest feed mechanism is widely used owing to action is simple, parts are few.The domestic patent No. is that 200720110650.7 utility model discloses a kind of pneumatic knife rest feed mechanism; It includes the planker driving mechanism and comprises the planker cylinder, is located at the piston rod in the planker cylinder; Piston rod and planker interlock; Air cavity and back air cavity before piston is separated into the planker cylinder, preceding air cavity is connected with air control unit respectively with the back air cavity; The planker driving mechanism also is provided with buffer unit, comprises cushion dashpot and interlinked mechanism.This utility model in use, gases at high pressure inject the back air cavity, piston rod promotes planker and moves forward fast, arrives when subscribing the position, cushion dashpot begins the oil extraction worker and advances.The worker advances to finish, air cavity before gases at high pressure inject, and beginning return and to drive cushion dashpot oil-filled is accomplished an operation cycle.The pneumatic knife rest feed mechanism of this kind has only a fixing worker to carry out journey because its oil-filled structural limitations does not have the worker to carry out the journey adjusting device.
(3) summary of the invention
To return cutter speed slow in order to overcome existing pneumatic knife rest feed mechanism, and the worker carries out Cheng Wufa and regulates, ineffective deficiency, and the utility model provides a kind of time cutter rapid, and scalable worker carries out journey, high efficiency pneumatic knife rest feed mechanism.
The technical scheme that the utility model solves its technical problem is: a kind of pneumatic knife rest feed mechanism; Comprise initiatively cylinder; Initiatively be provided with a damping piston and an active piston from front to back in the cylinder, be divided into the active cylinder chamber preceding air cavity and the back air cavity at active piston rear between damping oil pocket, damping piston and the active piston in damping piston the place ahead; In said active piston, be equipped with a piston rod, piston rod penetrates said damping piston and stretches out forwards, backwards also and can slide relatively with active cylinder two ends; Said piston rod is fixedly connected with active piston, and front end is used for being connected with tool-head slide; Be provided with sealing device in said piston rod and active cylinder, damping piston contact position; On the active cylinder block, be provided with oil drain out that connects the damping oil pocket and the back gas port that is connected the back air cavity; Said oil drain out is connected with a Fuel Tanking Unit through an one-way throttle valve; It is characterized in that: said Fuel Tanking Unit is an oil storage cylinder; In be provided with a rodless piston body, be divided into air cavity and oil pocket to said oil storage cylinder chamber; On the oil storage cylinder, be provided with the air inlet and the oil-out that is connected oil pocket that connect air cavity; Be provided with the preceding gas port of air cavity before connecting in the said piston rod; Be provided with several damping stroke limiting bars that the worker carries out journey that are used for limiting in said damping piston rear end.
Further, said active cylinder rear end is provided with a regulating box; Said damping stroke limiting bar one end withstands on the damping piston, and an end passes active piston, active cylinder rear end and regulating box and stretches out backward; Every damping stroke limiting bar is provided with 2 damping stroke limiting pieces, lay respectively at said regulating box inside and outside.
Further, described damping stroke limiting piece is provided with buffer unit.
Further, the number of described damping stroke limiting bar is two.
The utility model in use, through the air cavity ventilation backward of back gas port, back air cavity air pressure increases, the promotion active piston moves forward, and makes the piston rod F.F..After when active piston withstands damping piston, F.F. finishes, and the beginning worker advances.Oil in the damping oil pocket slowly injects oil storage cylinder oil pocket through one-way throttle valve, knocks the regulating box tank wall until damping stroke limiting piece.
After the worker advanced to finish, to the ventilation of oil storage cylinder air inlet, the air cavity internal pressure increased, and promoted the rodless piston body and moved downward, and was pressed into hydraulic oil in the damping oil pocket through oil-out, one-way throttle valve, oil drain out the damping piston return.The initiatively preceding gas port ventilation of cylinder simultaneously, preceding air cavity air pressure increases, and promotes the active piston returning quickly jointly.Get back to start bit until active piston, the damping stroke limiting piece that is positioned at regulating box on the damping stroke limiting bar knocks the regulating box rear wall.
Said buffer unit plays a part to prevent to clash into when the worker carries out the journey terminal point, improves cutter life and crudy.
Said damping stroke limiting piece can about stir, regulate the worker and carry out journey original position and final position.
The beneficial effect of the utility model is: time cutter speed is fast, and scalable worker carries out journey, high efficiency.
(4) description of drawings
Fig. 1 is a kind of sketch map of pneumatic knife rest feed mechanism of scalable impulse stroke, and Fig. 2 is a kind of sketch map that does not have the pneumatic knife rest feed mechanism of impulse stroke regulatory function.
(5) specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further explain.
Embodiment one
With reference to Fig. 1; A kind of scalable worker carries out the pneumatic knife rest feed mechanism of journey; Comprise initiatively cylinder 1; Initiatively cylinder 1 is provided with a damping piston 4 and an active piston 5 from front to back, is divided into the active cylinder chamber preceding air cavity 32 and the back air cavity 33 at active piston rear between damping oil pocket 31, damping piston and the active piston in damping piston the place ahead; In said active piston 5, be equipped with a piston rod 3, piston rod 3 penetrates said damping piston 4 and stretches out forwards, backwards also and can slide relatively with active cylinder two ends; Said piston rod 3 is fixedly connected with active piston 5, and said piston rod front end is connected with the slide unit that is provided with knife rest; Be provided with sealing device in said piston rod 3 and active cylinder 1, damping piston 4 contact positions, be used for preventing oil and gas leakage; Be provided with the preceding gas port 22 of air cavity 32 before connecting in the said piston rod 3; Said active cylinder 1 is provided with oil drain out 21 that connects damping oil pocket 31 and the back gas port 23 that is connected back air cavity 33; Said oil drain out is connected with the oil-out 25 of a Fuel Tanking Unit through an one-way throttle valve 9; Said one-way throttle valve 9 positive directions are oil-out 25 past oil drain outs 21, gush speed and overflow direction in order to control damping oil pocket hydraulic oil, regulate the worker and advance speed.
Said Fuel Tanking Unit is an oil storage cylinder 2, in be provided with a rodless piston body 8, be divided into air cavity 34 and oil pocket 35 to said oil storage cylinder chamber; On the oil storage cylinder, be provided with the air inlet 24 and the oil-out that is connected oil pocket 25 that connect air cavity.
Said active cylinder rear end is provided with a regulating box 7; Be provided with several damping stroke limiting bars 6 that the worker carries out journey that are used for limiting in said damping piston 4 rear ends; Said damping stroke limiting bar 6 one ends withstand on the damping piston 4, and an end passes active piston 5, active cylinder rear end and regulating box 7 and stretches out backward; Every damping stroke limiting bar 6 is provided with 2 damping stroke limiting pieces 10, which is provided with buffer unit 11, and said buffer unit is a stroke end cushion pad, plays a part to prevent to clash into, and improves cutter life and crudy; Two damping stroke limiting pieces 10 exceed with the rear wall of regulating box, are located at both sides and are used for regulating the worker and carry out journey.
The utility model in use; The position of regulating in advance between damping stroke limiting piece 10 and the regulating box rear wall decides the worker to carry out journey; The damping stroke limiting piece that is positioned at regulating box confirms that the worker advances start bit, is positioned at the outer damping stroke limiting piece decision worker of regulating box and advances stop bit.During the utility model work, air cavity 33 ventilations backward of back gas port 23, back air cavity air pressure increases, and promotes active piston 5 and moves forward, and makes piston rod 3 F.F.s.After active piston 5 withstood damping piston 4, F.F. finished, and the beginning worker advances.Active piston compressing damping piston makes the oil in the damping oil pocket slowly inject oil storage cylinder oil pocket 35 through one-way throttle valve 9, and the damping stroke limiting piece 10 outside being positioned at regulating box knocks the regulating box tank wall, and the worker advances to finish.
The worker is back the cutter stage after advancing the stage end; At this moment oil storage cylinder air inlet 24 ventilations, air cavity 34 pressure increase, and promote rodless piston body 8 and move downward; Be pressed into hydraulic oil in the damping oil pocket 31 through oil-out 25, one-way throttle valve 9, oil drain out 21 the damping piston return.Initiatively preceding gas port 22 ventilations of cylinder simultaneously; Preceding air cavity 32 air pressure become big, promote active piston 5 returning quicklies jointly, get back to original position until active piston; The damping stroke limiting piece 10 that is positioned at regulating box on the damping stroke limiting bar knocks the regulating box rear wall, and returning quickly finishes.
Embodiment two
With reference to Fig. 2; A kind of pneumatic knife rest feed mechanism that does not have the impulse stroke regulatory function; Comprise initiatively cylinder 1; Initiatively cylinder 1 is provided with a damping piston 4 and an active piston 5 from front to back, is divided into the active cylinder chamber preceding air cavity 32 and the back air cavity 33 at active piston rear between damping oil pocket 31, damping piston and the active piston in damping piston the place ahead; Be provided with several damping stroke limiting bars 6 that the worker carries out journey that are used for limiting in said damping piston 4 rear ends, said damping stroke limiting bar 6 penetrates active piston 5 and withstands initiatively cylinder rear end cap; In active piston 5, be equipped with a piston rod 3 said, piston rod 3 penetrates said damping piston 4 and stretches out forwards, backwards and can slide relatively with cylinder two ends initiatively; Said piston rod 3 is fixedly connected with active piston 5, and said piston rod front end is connected with the slide unit that is provided with knife rest; Be provided with sealing device in said piston rod 3 and active cylinder 1, damping piston 4 contact positions, be used for preventing oil and gas leakage; Be provided with the preceding gas port 22 of air cavity 32 before connecting in the said piston rod 3; Said active cylinder 1 is provided with oil drain out 21 that connects damping oil pocket 31 and the back gas port 23 that is connected back air cavity 33; Said oil drain out 21 is connected with the oil-out 25 of a Fuel Tanking Unit through an one-way throttle valve 9; Said one-way throttle valve 9 positive directions are oil-out 25 past oil drain outs 21, gush speed and overflow direction in order to control damping oil pocket hydraulic oil, regulate the worker and advance speed.
Said Fuel Tanking Unit is an oil storage cylinder 2, in be provided with a rodless piston body 8, be divided into air cavity 34 and oil pocket 35 to said oil storage cylinder chamber; On the oil storage cylinder, be provided with the air inlet 24 and the oil-out that is connected oil pocket 25 that connect air cavity.
The utility model in use, gases at high pressure are through air cavity 33 ventilation backward of back gas port 23, back air cavity air pressure increases, promotion active piston 5 is fast moving forward, makes piston rod 3 F.F.s.After active piston 5 withstood damping piston 4, F.F. finished, and the beginning worker advances, and the oil in the damping oil pocket 31 slowly injects oil storage cylinder oil pocket 35 through one-way throttle valve 9, and damping piston knocks initiatively cylinder end piece, and the worker advances to finish.
The worker is back the cutter stage after advancing the stage end; At this moment oil storage cylinder air inlet 24 ventilations, air cavity 34 pressure increase, and promote rodless piston body 8 and move downward; Be pressed into hydraulic oil in the damping oil pocket 31 through oil-out 25, one-way throttle valve 9, oil drain out 21 damping piston 4 returns.Initiatively preceding gas port 22 ventilations of cylinder simultaneously, it is big that preceding air cavity 32 air pressure become, and promotes active piston 5 returning quicklies jointly, gets back to original position until active piston, and damping stroke limiting bar 6 knocks initiatively cylinder end piece, the returning quickly end.
Claims (4)
1. pneumatic knife rest feed mechanism; Comprise initiatively cylinder; Initiatively be provided with a damping piston and an active piston from front to back in the cylinder, be divided into the active cylinder chamber preceding air cavity and the back air cavity at active piston rear between damping oil pocket, damping piston and the active piston in damping piston the place ahead; In said active piston, be equipped with a piston rod, piston rod penetrates said damping piston and stretches out forwards, backwards also and can slide relatively with active cylinder two ends; Said piston rod is fixedly connected with active piston; Be provided with sealing device in said piston rod and active cylinder, damping piston contact position; On the active cylinder block, be provided with oil drain out that connects the damping oil pocket and the back gas port that is connected the back air cavity; Said oil drain out is connected with a Fuel Tanking Unit through an one-way throttle valve; It is characterized in that: said Fuel Tanking Unit is an oil storage cylinder; In be provided with a rodless piston body, be divided into air cavity and oil pocket to said oil storage cylinder chamber; On the oil storage cylinder, be provided with the air inlet and the oil-out that is connected oil pocket that connect air cavity; Be provided with the preceding gas port of air cavity before connecting in the said piston rod; Said damping piston rear end is provided with several damping stroke limiting bars that the worker carries out journey that are used for limiting.
2. according to the described pneumatic knife rest feed mechanism of claim 1, it is characterized in that: said active cylinder rear end is provided with a regulating box; Said damping stroke limiting bar one end withstands on the damping piston, and an end passes active piston, active cylinder rear end and regulating box and stretches out backward; Every damping stroke limiting bar is provided with 2 damping stroke limiting pieces, lay respectively at said regulating box inside and outside.
3. according to the described pneumatic knife rest feed mechanism of claim 2, it is characterized in that: described damping stroke limiting piece is provided with buffer unit.
4. according to any described pneumatic knife rest feed mechanism of claim 1 to 3, it is characterized in that: the number of described damping stroke limiting bar is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202365577U CN202155744U (en) | 2011-07-06 | 2011-07-06 | Pneumatic tool rest feeding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202365577U CN202155744U (en) | 2011-07-06 | 2011-07-06 | Pneumatic tool rest feeding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202155744U true CN202155744U (en) | 2012-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202365577U Expired - Fee Related CN202155744U (en) | 2011-07-06 | 2011-07-06 | Pneumatic tool rest feeding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202155744U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378596A (en) * | 2017-08-31 | 2017-11-24 | 黄石华旦机械制造有限公司 | Suitable for the multiple adjustable delivering gear of feed speed of compressor crankcase processing |
| CN110107633A (en) * | 2019-05-17 | 2019-08-09 | 四川凌峰航空液压机械有限公司 | Liquid vapour lock Buddhist nun's actuator |
-
2011
- 2011-07-06 CN CN2011202365577U patent/CN202155744U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378596A (en) * | 2017-08-31 | 2017-11-24 | 黄石华旦机械制造有限公司 | Suitable for the multiple adjustable delivering gear of feed speed of compressor crankcase processing |
| CN107378596B (en) * | 2017-08-31 | 2023-09-22 | 黄石华旦机械制造有限公司 | Feed mechanism with multiple adjustable feed speed suitable for processing crankcase of compressor |
| CN110107633A (en) * | 2019-05-17 | 2019-08-09 | 四川凌峰航空液压机械有限公司 | Liquid vapour lock Buddhist nun's actuator |
| CN110107633B (en) * | 2019-05-17 | 2023-09-26 | 四川凌峰航空液压机械有限公司 | Liquid-gas damping actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20120706 |