CN110524126A - Pipe clamping method of pneumatic chuck of laser pipe cutting machine - Google Patents
Pipe clamping method of pneumatic chuck of laser pipe cutting machine Download PDFInfo
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- CN110524126A CN110524126A CN201911034057.2A CN201911034057A CN110524126A CN 110524126 A CN110524126 A CN 110524126A CN 201911034057 A CN201911034057 A CN 201911034057A CN 110524126 A CN110524126 A CN 110524126A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a pipe clamping method of a pneumatic chuck of a laser pipe cutting machine. The pipe clamping method uses a gas distribution device, and comprises the following steps: s1: the pneumatic chuck is reset, so that one pair of clamping jaws is horizontal, and the other pair of clamping jaws is vertical; s2: feeding the pipe, and conveying the pipe between the upper pair of clamping jaws, the lower pair of clamping jaws and the left pair of clamping jaws; s3: introducing clamping gas into the clamping air inlet channel, wherein the air pressure of the clamping gas is P0, so that the paired cylinders act in a linkage manner; the pipe clamping method further comprises the following steps: s4: rotating the chuck by 90 degrees; s5: introducing air supplement gas into the clamping air inlet channel, opening a pneumatic control one-way valve, wherein the air pressure of the air supplement gas is P1, and the pressure P1 is more than or equal to P0; s6: and finishing the clamping of the pipe. Through will be in vertical jack catch rotation to the level originally, carry out the tonifying qi to the cylinder again to make the cylinder that admits air not enough carry out the tonifying qi, make the gas in it reach the atmospheric pressure of centre gripping, thereby make the center of tubular product and the center coincidence of chuck, it is stable, reliable to the tubular product centre gripping.
Description
Technical field
The present invention relates to laser pipe cutter air spider fields, and in particular to a kind of tubing of laser pipe cutter air spider
Clamp method.
Background technique
Air spider is secondary process tool common in mechanical processing process, such as in laser pipe cutter, in tubing
In cutting process, air spider is used to clamp tubing.
In the prior art, with reference to Fig. 1, air spider generally comprises chuck main body (not shown), claw 1, cylinder 101
And rotary drive motor (not shown), claw are arranged radially along chuck body, cylinder is for driving claw along chuck sheet
Body is moved radially close to each other or is located remotely from each other, and rotary drive motor is for driving chuck body to rotate.
What claw moved under the driving of cylinder, each cylinder be correspondingly arranged one for claw provide clamping force into
The offer of air flue, the clamping force of claw is also related with the air pressure of cylinder, and gas is compressible, therefore when clamping pipe again,
With reference to Fig. 1, the claw on vertical direction clamps the two sides up and down of tubing 2, and the claw positioned at horizontal direction is to pipe
The left and right ends of material are clamped, and because the gravity of tubing exists, to make the cylinder for being located at the claw below tubing by pipe
The extruding of material causes the cylinder for being located at the claw below tubing in gas replenishment process by larger resistance, thus vertical without normal direction
The cylinder of setting provides enough air pressures, and after pipe clamping, the center of tubing will occur with the center of air spider
Dotted line is the tubing under the clamp position for meeting processing request in offset e(figure), if being carried out with the state of such case clamping
Laser cutting, the precision of cutting will be affected, and will lead to that cutting resulting product is unqualified, and therefore, it is necessary to for tubing
Clamping is adjusted.
Summary of the invention
In order to solve the above-mentioned technical problem, the purpose of the present invention is to provide a kind of tubing of laser pipe cutter air spider
Clamp method can carry out tonifying Qi to the insufficient cylinder of aeration quantity.The pipe clamping method of the laser pipe cutter air spider has
There is clamping to stablize, is reliable, being conducive to improve machining accuracy.
For achieving the above object, the technical solution adopted by the present invention is as follows:
A kind of pipe clamping method of laser pipe cutter air spider, the pipe clamping approach application air distributing device, the distribution
Device includes gas supply tube assembly, gas distribution plate, and expansion air intake duct is provided on air spider and clamps air intake duct, supplies tube assembly
Including expansion admission line, the expansion for clamping admission line and respectively corresponding expansion admission line, clamping admission line setting
Intake solenoid valve clamps intake solenoid valve and control expansion intake solenoid valve, the air inlet control for clamping intake solenoid valve movement
Device, the expansion air intake duct are connected to by the gas distribution plate with the expansion admission line, and the clamping air intake duct passes through institute
It states gas distribution plate and is connected to admission line is clamped, two pairs of vertically disposed claws, each claw are provided on air spider
It is correspondingly arranged a cylinder, each cylinder is connected to expansion air intake duct, clamping air intake duct, each cylinder and the clamping
One end of air intake duct connection is provided with gas control check valve, and air spider further includes the drive control device for controlling air spider rotation,
The pipe clamping method includes:
S1: air spider resets, and keeps one pair of them claw horizontal, another pair claw is vertical；
S2: tubing is delivered to up and down, between the two pairs of claws in left and right by tubing feeding；
S3: being passed through clamping gas to clamping in air intake duct, and the air pressure for clamping gas is P0, makes pairs of cylinder linkage action；
The tubing clamping means further include:
S4: air spider is rotated by 90 °；
S5: being passed through tonifying Qi gas to clamping in air intake duct, and open gas control check valve, and the air pressure of ftercompction gas is P1, and makes P1
≥P0；
S6: pipe clamping is completed.
It is arranged in this way, when executing S3, Intaker controller control clamps intake solenoid valve and opens, to clamping air inlet pipe
It is passed through clamping gas in road, clamps admission line and is connected to by gas distribution plate with air intake duct is clamped, thus the gas on air spider
Cylinder air inlet carries out pressure maintaining by gas control check valve into the gas in each cylinder after clamping intake solenoid valve and closing；Because of place
In horizontality a pair of of claw in clamping process hardly by resistance, thus the corresponding cylinder to claw setting be easy into
Gas, which simultaneously can reach, clamps air pressure P0, thus, horizontal direction a pair of claw by pipe clamping in place, can make the center of tubing and pneumatic
Chuck hub is located on same vertical line, and the claw in the cylinder of a pair of of claw in a vertical state below tubing
Cylinder bear the weight of tubing, therefore the gravity of tubing forms intake resistance to the air inlet of the cylinder of lower section claw, makes to enter
The cylinder intake is obstructed, so that being unable to reach the gas entered in cylinder clamps air pressure P0, to can not arrive pipe clamping
Position, i.e., can not be such that the center of tubing is overlapped with the center of air spider；In this case, S4 is first carried out, makes air spider
Be rotated by 90 °, make originally the claw in horizontality rotate to vertical, and it is in a vertical state under claw rotate to level,
The cylinder of claw because of script in horizontality is having been able to reach clamping air pressure after S3, therefore, is in water originally
The claw of level state is rotated to vertical state, and the cylinder for the claw being now under vertical state can overcome the weight of tubing
Amount, tubing is supported, and the center at the center and air spider that make tubing is in same horizontal line, and originally in vertical
The cylinder of state lower claw because in it air pressure it is insufficient, when former lower claw in a vertical state is rotated to level, because cylinder provides
Insufficient clamping force, the center at the center and air spider that can not make tubing is on same vertical line；By S5, to clamping
Be passed through ftercompction gas in air intake duct and make air pressure P1 >=P0 of ftercompction gas, thus make rotation after in horizontality cylinder into
Row tonifying Qi makes gas atmosphere >=P0 in cylinder, so that a pair of of clamping jaw of horizontality be made to press from both sides tubing just, even if in tubing
The heart is overlapped with the center of air spider, to reach the requirement of processing, is prepared for laser cutting, so that the clamping of tubing is steady
It is fixed, reliable, and it is conducive to provide machining accuracy.
Preferably, the gas supply tube assembly further includes the benefit of tonifying Qi admission line and corresponding tonifying Qi admission line setting
Gas intake solenoid valve, the tonifying Qi admission line are connected to the clamping admission line, and the tonifying Qi intake solenoid valve is controlled by
The Intaker controller.
It is arranged in this way, by the tonifying Qi admission line and tonifying Qi intake solenoid valve being additionally arranged, is convenient for air inlet control
Device processed is acted according to timing, convenient for control.
Preferably, the pipe clamping method further includes S3-1, S3-2, after executing the S3, S3-1, S3- are successively executed
2；
S3-1: the air pressure of the cylinder for the claw for being located at vertical direction is detected；
S3-2: to the detection air pressure P of the air pressure of cylinderDetectionIt is compared judgement, if PDetection=P0±ΔPDetection, Δ PDetectionIt is missed for measurement
Difference then executes S6；Otherwise, S4 is executed.
It is arranged in this way, the cylinder air pressure of the claw on vertical direction is measured by increasing S3-1, and
Pass through S3-2 air pressure P resulting to detectionDetectionDetection judgement is carried out, P is worked asDetection≠P0±ΔPDetection, i.e., card on the vertical direction
When the cylinder air pressure of pawl is less than P0, then S4 and its subsequent step are carried out, otherwise execute S6, complete clamping, so that the tubing presss from both sides
Hold the clamping needs that method had both been able to satisfy again pipe, moreover it is possible to meet the needs of the clamping of the tubing of lighter in weight, applicability improves.
Preferably, the detection of the cylinder air pressure in the S3-1 is measured by baroceptor, the baroceptor
It is set to cylinder input and clamps the inlet end of air pressure and between the cylinder and gas control check valve.
It is arranged in this way, the air pressure of cylinder is measured by baroceptor, structure is simple, and measurement is convenient.
Preferably, the pipe clamping method further includes S5-1, after executing the S5, S5-1 is executed；
S5-1: program of returning to examination jumps back to and executes S3-1.
It is arranged in this way, by the way that program of returning to examination is arranged, tonifying Qi exhaust hood can be detected again, avoid the occurrence of tonifying Qi
There are still the situations of cylinder tolerance deficiency afterwards.
Preferably, the clamp method further includes S7, S7: gripping step terminates, and issues alarm signal；
It include count parameter N in the S3-1, m is preset value, and m be that the initial value of integer and m >=3, N be 0, and every execution is once
Count is incremented by S3-1, N, works as PDetection≠P0±ΔPDetectionAnd when N=m, S7 is executed, and reset to N；Work as PDetection≠P0±ΔPDetectionAnd N < m
When, execute S4；PDetection=P0±ΔPDetectionWhen, N is reset, S6 is executed.
It is arranged in this way, by the way that technical parameter N is arranged, when the number that circulation is returned to examination reaches preset value m, i.e., by m
After secondary tonifying Qi, the clamping jaw cylinder of vertical direction cannot still be at least up to clamping cylinder P0, stop the execution of gripping step, and report
Alert, the staff for scene provides the signal of machine exception, consequently facilitating overhauling to machine, avoids the occurrence of because machine goes out
So that clamping is executed process after existing principal fault and the case where endless loop occurs.
Preferably, the sending of the alarm signal is issued by warning device, warning device includes indicator light.
It is arranged in this way, is alarmed by indicator light, is discovered convenient for field personnel.
Preferably, the warning device includes alarm buzzer.
Be arranged in this way, by increase alarm buzzer, further convenient for field personnel find mechanical disorder and
Carry out Maintenance and Repair.
Compared with the existing technology, the present invention achieves beneficial technical effect:
1, it is rotated by the way that script is in vertical claw to level, then carries out tonifying Qi to cylinder, so that air inlet is insufficient
Cylinder carries out tonifying Qi, and the gas in it is made to reach the air pressure of clamping, so that the center of tubing and the center of air spider weight
It closes, it is stable to pipe clamping, reliable.
2, by the tonifying Qi admission line and tonifying Qi intake solenoid valve that are independently arranged, convenient for the control of Intaker controller
System.
3, by increasing the process that the cylinder air pressure of the claw of vertical direction is detected and judged, so that the tubing presss from both sides
Hold the clamping process that method is suitable for pipe again or light pipe.
4, by the way that program of returning to examination is arranged, the cylinder in vertical direction is examined again, improves the reliability of tonifying Qi.
5, by the way that technical parameter is arranged in S3-1, and increase the judgement to technical parameter, avoid the occurrence of endless loop.
6, S7 is set, when machine leaks air failure, stops the progress of clamping process, and alarm, machine is examined
It repairs.
Detailed description of the invention
Fig. 1 is the schematic diagram of pipe clamping in the prior art；
Fig. 2 is the schematic diagram of air distributing device in the embodiment of the present invention 1；
Fig. 3 is the schematic diagram that tonifying Qi is carried out after being rotated by 90 ° in the embodiment of the present invention 1 to air spider；
Fig. 4 is the program chart of the pipe clamping method of laser pipe cutter air spider in the embodiment of the present invention 1；
Fig. 5 is the program chart of the pipe clamping method of laser pipe cutter air spider in the embodiment of the present invention 2；
Fig. 6 is the program chart of the pipe clamping method of laser pipe cutter air spider in the embodiment of the present invention 3；
Fig. 7 is the program chart of the pipe clamping method of laser pipe cutter air spider in the embodiment of the present invention 4.
Wherein, the technical characteristic that each appended drawing reference is referred to is as follows:
1, claw；101, cylinder；2, tubing；3, tube assembly is supplied；301, admission line is unfolded；3011, intake solenoid valve is unfolded；
302, admission line is clamped；3021, intake solenoid valve is clamped；303, tonifying Qi admission line；3031, tonifying Qi intake solenoid valve；4,
Gas distribution plate；5, air intake duct is unfolded；6, air intake duct is clamped；7, claw A；8, claw B；9, claw C；10, claw D；11, gas control is unidirectional
Valve；12, baroceptor.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments to the present invention
It is further elaborated, but the scope of protection of present invention is not limited to following specific embodiments.
Embodiment 1
With reference to Fig. 2, present embodiment discloses a kind of pipe clamping method of laser pipe cutter air spider, 2 sides of clamping of tubing
Method uses air distributing device (being not marked in figure), and air distributing device includes gas supply tube assembly 3, gas distribution plate 4, is provided with exhibition on air spider
Drive air flue 5 and clamping air intake duct 6 into, gas supply tube assembly 3 includes expansion admission line 301, clamps admission line 302 and divide
Admission line 301 Dui Ying not be unfolded, clamp expansion intake solenoid valve 3011, clamping intake solenoid valve that admission line 302 is arranged
3021 and control expansion intake solenoid valve 3011, clamp intake solenoid valve 3021 act Intaker controller (do not show in figure
Out), Intaker controller can be PLC controller or single-chip microcontroller.
The gas distribution channels (not shown) of annular is correspondingly arranged on gas distribution plate 4 and air spider, expansion air intake duct 5 is logical
It crosses gas distribution plate 4 to be connected to expansion admission line 301, clamps air intake duct 6 and be connected to by gas distribution plate 4 with admission line 302 is clamped.
Two pairs of vertically disposed claws are provided on air spider, such as claw A7, claw B8, the claw C9 in figure
And claw D10, claw A7 are oppositely arranged with claw B8, claw C9 is oppositely arranged with claw D10, each claw correspondence is set
A cylinder 101 is set, an air inlet (being not marked in figure) is respectively arranged in the both ends of each cylinder 101, and two air inlets are opened up respectively
It drives air flue 5 into, clamp the connection of air intake duct 6, it is unidirectional that one end that each cylinder 101 is connect with clamping air intake duct 6 is provided with gas control
Valve 11 realizes pressure maintaining by gas control check valve, and when needing to 101 tonifying Qi of cylinder, gas triggering letter need to be provided to gas control check valve
Number.
Claw A7 and claw B8 links, and claw C9 and claw D10 link, therefore, in the cylinder 101 of claw A7 and claw B8
Gas inlet amount is equal, air pressure is equal, claw C9 is equal with the gas inlet amount in the cylinder 101 of claw D10, air pressure phase
Deng.
Air spider further includes the drive control device (not shown) for controlling air spider rotation.
With reference to Fig. 2, supplying tube assembly 3 may also include tonifying Qi admission line 303 and the corresponding setting of tonifying Qi admission line 303
Tonifying Qi intake solenoid valve, tonifying Qi admission line 303 with clamp admission line 302 be connected to, tonifying Qi intake solenoid valve 3031 is controlled
G is airintake direction in Intaker controller, figure.
With reference to Fig. 2 and Fig. 4, which includes:
S1: air spider resets, and keeps one pair of them claw 1 horizontal, another pair claw 1 is vertical；
S2: tubing 2 is delivered to up and down, between the two pairs of claws 1 in left and right by 2 feeding of tubing；
S3: being passed through clamping gas to clamping in air intake duct 6, and the air pressure for clamping gas is P0, so that pairs of cylinder 101 is linked dynamic
Make, the gravity of tubing can be overcome by clamping air pressure P0, in this implementations, pass through Intaker controller control clamping intake solenoid valve 3021
It opens, is passed through clamping gas in admission line 302 to clamping, clamp admission line 302 by gas distribution plate 4 and clamp air intake duct 6
Connection, thus 101 air inlet of cylinder on air spider, after clamping intake solenoid valve 3021 and closing, into each cylinder 101
Interior gas carries out pressure maintaining by gas control check valve 11, even if 101 linkage action claw A7 of cylinder and claw B8 are in the horizontal direction
It above while moving toward one another, tubing 2 is clamped, moves toward one another claw C9 and claw D10 simultaneously in the vertical direction, to tubing 2
Clamping；
S4: air spider is rotated by 90 °, and drive control device controls air spider rotation, rotates air spider around its center
90 °, the former claw A7 being horizontally oriented and claw B8 is made to become vertical state, and original place is in the claw C9 and card of vertical direction
Pawl D10 becomes horizontality, with reference to Fig. 3, the direction of air inlet when Q is tonifying Qi in figure；
S5: being passed through tonifying Qi gas to clamping in air intake duct 6, and open gas control check valve, and the air pressure of ftercompction gas is P1, and makes P1
>=P0, when tonifying Qi, the gas control check valve of all cylinders 101 is opened, thus to deficiency of air, the insufficient claw C9 of air pressure
The cylinder 101 of cylinder 101 and claw D10 carry out tonifying Qi, and the air pressure in two cylinders 101 is made at least up to clamp air pressure P0, from
And the claw C9 and claw D10 for being now in horizontality press from both sides tubing 2 just, even if in the center and air spider of tubing 2
The heart is overlapped, to reach the requirement of processing；
S6: it completes tubing 2 and clamps.
Embodiment 2
With reference to Fig. 5, present embodiment discloses the pipe clamping methods of another laser pipe cutter air spider, are based on embodiment 1,
The present embodiment place different from embodiment 1 is:
2 clamp method of tubing of the laser pipe cutter air spider of the present embodiment further includes S3-1, S3-2, after executing S3, successively
Execute S3-1, S3-2；
S3-1: the air pressure of the cylinder 101 for the claw 1 for being located at vertical direction is detected；
S3-2: gained air pressure P is detected to cylinder 101DetectionIt is compared judgement, if PDetection=P0±ΔPDetection, Δ PDetectionIt is missed for measurement
Difference then executes S6；Otherwise, S4 is executed.
With reference to Fig. 2, the detection of 101 air pressure of cylinder in S3-1 is measured by baroceptor 12, and baroceptor 12 is set
It is placed in the input of cylinder 101 and clamps the inlet end of air pressure and between cylinder 101 and gas control check valve.
Embodiment 3
With reference to Fig. 6, present embodiment discloses the pipe clamping methods of another laser pipe cutter air spider, are based on embodiment 2,
The present embodiment place different from embodiment 2 is:
2 clamp method of tubing of the laser pipe cutter air spider of the present embodiment further includes S5-1, after executing S5, executes S5-1；
S5-1: program of returning to examination jumps back to and executes S3-1.
It is detected again so as to the cylinder 101 to the claw 1 being on vertical direction after rotation, it is vertical to be guaranteed at
The cylinder 101 in direction is met the requirements, and improves the reliability and stability of clamping.
Embodiment 4
With reference to Fig. 7, present embodiment discloses the pipe clamping methods of another laser pipe cutter air spider, are based on embodiment 3,
2 clamp method of tubing of the laser pipe cutter air spider of the present embodiment further includes S7, S7: gripping step terminates, and issues alarm
Signal；
It include count parameter N in S3-1, m is preset value, and m is integer and m >=3, can be 3,4,5 ... ...；The initial value of N is
0, S3-1 of every execution, count is incremented by N, works as PDetection≠P0±ΔPDetectionAnd when N=m, S7 is executed, and reset to N, i.e. N=0；When
PDetection≠P0±ΔPDetectionAnd when N < m, S4 is executed；PDetection=P0±ΔPDetectionWhen, N is reset, S6 is executed.
For example, setting m is 3, and first time S3-1, N=1, after executing S3-1, during the judgment step for executing S3-2, completely
Sufficient PDetection≠P0±ΔPDetectionAnd when N=3, S7 is executed, when meeting PDetection≠P0±ΔPDetectionAnd when N=3, then it represents that spiral to pneumatic clamping
The angle change for having carried out 90 ° twice, after respectively having carried out tonifying Qi operation to claw A7, claw B8, claw C9, claw D10,
The cylinder 101 of claw 1 in vertical direction cannot still be met the requirements, it is thus possible to be that gas leakage or pipeline occur inside machine
Gas leakage needs to overhaul, so that avoiding the occurrence of clamping program process the possibility of endless loop occurs.
The sending of alarm signal is issued by warning device (not shown) in S7, and warning device includes indicator light.
In other embodiments, warning device may also include alarm buzzer, and it is different to discover machine appearance convenient for Field Force
Normal situation is conducive to carry out timely repair and maintenance to machine, is conducive to the reliability for maintaining processing process.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to the one of invention
A little modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not constitute any restrictions to invention.
Claims (8)
1. a kind of pipe clamping method of laser pipe cutter air spider, the pipe clamping approach application air distributing device is described to match
Device of air includes gas supply tube assembly, gas distribution plate, and expansion air intake duct is provided on air spider and clamps air intake duct, air supply pipe group
Part includes the exhibition that admission line is unfolded, clamps admission line and respectively corresponds expansion admission line, clamps admission line setting
It opens intake solenoid valve, clamp intake solenoid valve and control expansion intake solenoid valve, the air inlet control for clamping intake solenoid valve movement
Device processed, the expansion air intake duct are connected to by the gas distribution plate with the expansion admission line, and the clamping air intake duct passes through
The gas distribution plate is connected to admission line is clamped, and two pairs of vertically disposed claws, each card are provided on air spider
Pawl is correspondingly arranged a cylinder, and each cylinder is connected to expansion air intake duct, clamping air intake duct, each cylinder and the folder
One end of tight air intake duct connection is provided with gas control check valve, and air spider further includes the drive control for controlling air spider rotation
Device, the pipe clamping method include:
S1: air spider resets, and keeps one pair of them claw horizontal, another pair claw is vertical；
S2: tubing is delivered to up and down, between the two pairs of claws in left and right by tubing feeding；
S3: being passed through clamping gas to clamping in air intake duct, and the air pressure for clamping gas is P0, makes pairs of cylinder linkage action；
It is characterized in that, the tubing clamping means further include:
S4: air spider is rotated by 90 °；
S5: being passed through tonifying Qi gas to clamping in air intake duct, and open gas control check valve, and the air pressure of ftercompction gas is P1, and makes P1
≥P0；
S6: pipe clamping is completed.
2. a kind of pipe clamping method of laser pipe cutter air spider according to claim 1, which is characterized in that described
Gas supply tube assembly further includes the tonifying Qi intake solenoid valve of tonifying Qi admission line and corresponding tonifying Qi admission line setting, the tonifying Qi
Admission line is connected to the clamping admission line, and the tonifying Qi intake solenoid valve is controlled by the Intaker controller.
3. a kind of pipe clamping method of laser pipe cutter air spider according to claim 1 or 2, which is characterized in that
The pipe clamping method further includes S3-1, S3-2, after executing the S3, successively executes S3-1, S3-2；
S3-1: the air pressure of the cylinder for the claw for being located at vertical direction is detected；
S3-2: to the detection air pressure P of cylinderDetectionIt is compared judgement, if PDetection=P0±ΔPDetection, Δ PDetectionFor measurement error, then hold
Row S6；Otherwise, S4 is executed.
4. a kind of pipe clamping method of laser pipe cutter air spider according to claim 3, which is characterized in that described
The detection of cylinder air pressure in S3-1 is measured by baroceptor, and the baroceptor is set to cylinder input and clamps air pressure
Inlet end and between the cylinder and gas control check valve.
5. a kind of pipe clamping method of laser pipe cutter air spider according to claim 3, which is characterized in that the pipe
Material clamp method further includes S5-1, after executing the S5, executes S5-1；
S5-1: program of returning to examination jumps back to and executes S3-1.
6. a kind of pipe clamping method of laser pipe cutter air spider according to claim 5, which is characterized in that the folder
The method of holding further includes S7, S7: gripping step terminates, and issues alarm signal；
It include count parameter N in the S3-1, m is preset value, and m be that the initial value of integer and m >=3, N be 0, and every execution is once
Count is incremented by S3-1, N, works as PDetection≠P0±ΔPDetectionAnd when N=m, S7 is executed, and reset to N；Work as PDetection≠P0±ΔPDetectionAnd N < m
When, execute S4；PDetection=P0±ΔPDetectionWhen, N is reset, S6 is executed.
7. a kind of pipe clamping method of laser pipe cutter air spider according to claim 6, which is characterized in that described
The sending of alarm signal is issued by warning device, and warning device includes indicator light.
8. a kind of pipe clamping method of laser pipe cutter air spider according to claim 7, which is characterized in that described
Warning device further includes alarm buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911034057.2A CN110524126B (en) | 2019-10-29 | 2019-10-29 | Pipe clamping method of pneumatic chuck of laser pipe cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911034057.2A CN110524126B (en) | 2019-10-29 | 2019-10-29 | Pipe clamping method of pneumatic chuck of laser pipe cutting machine |
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| CN110524126A true CN110524126A (en) | 2019-12-03 |
| CN110524126B CN110524126B (en) | 2020-02-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536062A (en) * | 2022-03-02 | 2022-05-27 | 聊城大学东昌学院 | Pneumatic self-adaptive clamp and using method thereof |
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|---|---|---|---|---|
| JPH03142173A (en) * | 1989-10-26 | 1991-06-17 | Fujii Seimitsu Kogyo Kk | Work holding device for machining |
| JP3023769B2 (en) * | 1996-08-08 | 2000-03-21 | 世田谷精機株式会社 | Air chuck for machine tools |
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| CN208195704U (en) * | 2018-03-20 | 2018-12-07 | 武汉冠油科技有限公司 | A kind of four paws automatic centering air spider |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH03142173A (en) * | 1989-10-26 | 1991-06-17 | Fujii Seimitsu Kogyo Kk | Work holding device for machining |
| JP3023769B2 (en) * | 1996-08-08 | 2000-03-21 | 世田谷精機株式会社 | Air chuck for machine tools |
| CN201083986Y (en) * | 2007-09-29 | 2008-07-09 | 牟燕云 | Air chuck electric control device |
| CN203266104U (en) * | 2013-05-10 | 2013-11-06 | 苏州宝成汽车冲压有限公司 | Automatic pipe cutting machine |
| CN107639468A (en) * | 2017-11-01 | 2018-01-30 | 重庆第二机床厂有限责任公司 | Lathe air tightness detection apparatus |
| CN208195704U (en) * | 2018-03-20 | 2018-12-07 | 武汉冠油科技有限公司 | A kind of four paws automatic centering air spider |
| CN108608124A (en) * | 2018-04-10 | 2018-10-02 | 上海柏楚电子科技股份有限公司 | A kind of the clamping chuck and modification method of correction-compensation pipe clamping centre deviation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114536062A (en) * | 2022-03-02 | 2022-05-27 | 聊城大学东昌学院 | Pneumatic self-adaptive clamp and using method thereof |
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|---|---|
| CN110524126B (en) | 2020-02-07 |
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