CN109366401A - The clamp system and its clamping means that a kind of air pressure driving can lock - Google Patents
The clamp system and its clamping means that a kind of air pressure driving can lock Download PDFInfo
- Publication number
- CN109366401A CN109366401A CN201811429149.6A CN201811429149A CN109366401A CN 109366401 A CN109366401 A CN 109366401A CN 201811429149 A CN201811429149 A CN 201811429149A CN 109366401 A CN109366401 A CN 109366401A
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- CN
- China
- Prior art keywords
- valve
- pneumatic
- linear actuator
- piston
- pneumatic linear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
Abstract
The present invention provides a kind of clamp system that air pressure driving can lock, and connection controller is clamped component, unclamps, locking operation, including using air pressure as operation power: three position four-way electromagnetic valve and 2/2-way solenoid valve are all connected with controller;First Pneumatic valve and the second Pneumatic valve, equal air circuit connection three position four-way electromagnetic valve;First pneumatic linear actuator and the second pneumatic linear actuator, inside are respectively equipped with first piston and second piston, equal the first Pneumatic valve of air circuit connection, the second Pneumatic valve, 2/2-way solenoid valve;Clamping component, it is hinged with first piston and second piston.Three position four-way electromagnetic valve controls step mode by controller, to change the mode to the first Pneumatic valve and the second Pneumatic valve transportation work air-flow, first piston and second piston is made to generate movement, realizes that clamping component clamps, locking, unclamps operation;When controller is to 2/2-way solenoid valves, 2/2-way solenoid valve is opened, and by the way that working air current is discharged rapidly, realizes the clamp system off-load.
Description
Technical field
The present invention relates to pneumatic antomation apparatus for fastening fields, and in particular to a kind of clamping machine that air pressure driving can lock
Structure.
Background technique
At present in production assembling process, workpiece needs are clamped in being moved to, be fixed on specific position.In order to mention
High efficiency, clamping device need to have certain automatic capability, in order to protect the surface damage of workpiece and fall, also need
By clamping force control in a certain amount value, since assembly shop can very easily be equipped with gas source, is driven and clamped by air pressure
Device is realized that automation clamps and is easily realized.In use process, need to prevent the clamping device in the case of power-off, decompression from losing suddenly
Effect, can self-locking connecting mechanism need studied exploitation to reduce the risk accidents in assembling process.
Summary of the invention
The present invention provides a kind of air pressures to drive the clamp system that can be locked, and can overcome existing dress during component assembling
The deficiency of folder technology controls the opening and closing of solenoid valve by controller, changes mode of the solenoid valve to Pneumatic valve transportation work air-flow,
The movement of cylinder piston is further controlled, and clamp system is hinged with cylinder piston, realizes clamp system clamping, release portion
Part.The present invention design have gas circuit self-locking function, power off clamp system during clamping workpiece, gas source decompression when be able to maintain
It is self-locking.Assembly stability is improved, part injury risk is avoided, improves production efficiency.
In order to achieve the above objectives, the present invention proposes that a kind of air pressure drives the clamp system that can be locked, and connects controller, air inlet
Mouth and gas outlet are clamped component, unclamp, locking behaviour according to the instruction that controller issues using air pressure as operation power
Make, include:
Three position four-way electromagnetic valve connects peripheral control unit air inlet and air outlet;By controller to the 3-position 4-way
Solenoid valve leads to positive electricity or logical negative electricity, realizes clamp system clamping, loose components;When controller is logical not to three position four-way electromagnetic valve
Electricity realizes clamp system locking member;
2/2-way solenoid valve connects peripheral control unit and gas outlet;When controller leads to negative electricity to three position four-way electromagnetic valve,
And when to the 2/2-way solenoid valves, 2/2-way solenoid valve is opened, and working air current is quickly from 2/2-way solenoid valve
Interior discharge, the off-load operation of implementation mechanism;
Identical first Pneumatic valve and the second Pneumatic valve, equal air circuit connection three position four-way electromagnetic valve;Work as 3-position 4-way
When solenoid valve leads to positive electricity and 2/2-way solenoid valve no power, three position four-way electromagnetic valve gas circuit opens the first Pneumatic valve and the second gas
Valve is controlled, and simultaneously to the first Pneumatic valve and the second Pneumatic valve valve input service air-flow;When three position four-way electromagnetic valve leads to negative electricity and two
When two three-way electromagnetic valve no power of position, three position four-way electromagnetic valve gas circuit opens the first Pneumatic valve and the second Pneumatic valve, but only to first
Pneumatic valve input service air-flow;When three position four-way electromagnetic valve no power, three position four-way electromagnetic valve not output gas flow, the first gas control
Valve and the second Pneumatic valve are closed;
Identical first pneumatic linear actuator and the second pneumatic linear actuator, are respectively equipped with first piston and second piston;Described first
Pneumatic linear actuator and equal the first Pneumatic valve of air circuit connection of the second pneumatic linear actuator and the second Pneumatic valve, 2/2-way solenoid valve;First pneumatic linear actuator
The movement for realizing first piston and second piston by inputting or being discharged working air current with the second pneumatic linear actuator;
Clamping component, it is hinged with first piston and second piston, by the movement of first piston and second piston, realize folder
Tightly, it unclamps, lock, unloading unit.
First pneumatic linear actuator is divided into the first pneumatic linear actuator first chamber and the first pneumatic linear actuator second chamber by the first piston;The
One piston first end is located in the first pneumatic linear actuator, and first piston second end is stretched out from the first pneumatic linear actuator second chamber;Described second
Second pneumatic linear actuator is divided into the second pneumatic linear actuator first chamber and the second pneumatic linear actuator second chamber by piston;Second piston first end is located at
In second pneumatic linear actuator, second piston second end is stretched out from the second pneumatic linear actuator second chamber;The first pneumatic linear actuator first chamber and
Equal the second Pneumatic valve of air circuit connection of second pneumatic linear actuator first chamber and 2/2-way solenoid valve;First pneumatic linear actuator second chamber and
Two pneumatic linear actuator second chambers are all connected with the first Pneumatic valve.
The clamping component includes:
Fixed beam;
Identical first, which clamps disk and second, clamps disk, is placed on the first clamping disk and second for clamp or release
Clamp the component among disk;
Identical first connecting rod and second connecting rod;The both ends of the first connecting rod respectively with the first end of fixed beam,
First clamping disk is hinged, and the middle part of first connecting rod and first piston second end are hinged;The both ends of the second connecting rod are respectively and solid
Second end, the second clamping disk for determining beam are hinged, and the middle part of second connecting rod and second piston second end are hinged;
When first piston and second piston are stretched out out of the first pneumatic linear actuator and the second pneumatic linear actuator simultaneously, first is driven respectively
Connecting rod and second connecting rod movement, first, which clamps disk and second, clamps disk realization clamping component;When first piston and second piston are same
When retracting in the first pneumatic linear actuator and the second pneumatic linear actuator, drive first connecting rod and second connecting rod movement respectively, realize that first clamps
Disk and second clamps disk loose components.
The air pressure drives the clamp system that can be locked, and also includes row pressure module, extra in work gas circuit for being discharged
Air pressure, the row pressure module includes:
Overflow pressure reducing valve, air circuit connection are arranged between three position four-way electromagnetic valve and the first Pneumatic valve;When the overflow valve
When interior air pressure is more than preset safety value, overflow pressure reducing valve is vented outwards, and operating air pressure is to safety value in reducing mechanism;And
The clamping force of clamping component can be adjusted by adjusting the safety value of setting;First Pneumatic valve also passes through overflow pressure reducing valve to outlet
Gas;
Check valve, air circuit connection are arranged between three position four-way electromagnetic valve and overflow pressure reducing valve, realize working air current from three
Position four-way solenoid valve is to overflow pressure reducing valve one-way flow.
First pneumatic linear actuator and the second pneumatic linear actuator are lived by inputting or being discharged working air current realization first piston and second
The movement of plug, in particular to, when three position four-way electromagnetic valve leads to positive electricity and when 2/2-way solenoid valve no power, the first Pneumatic valve
Simultaneously to the first pneumatic linear actuator first chamber, the second pneumatic linear actuator first chamber input service air-flow;Second Pneumatic valve is simultaneously to first
Pneumatic linear actuator second chamber and the second pneumatic linear actuator second chamber input service air-flow;By first piston in first the first chamber of pneumatic linear actuator
Room is different with the first pneumatic linear actuator second chamber forced area and second piston is pneumatic in the second pneumatic linear actuator first chamber and second
Cylinder second chamber forced area is different, realizes first piston and second piston from the protruding of buffering;First pneumatic linear actuator simultaneously
Second chamber, the second pneumatic linear actuator second chamber air-flow discharged followed by the first Pneumatic valve, overflow pressure reducing valve.
First pneumatic linear actuator and the second pneumatic linear actuator are lived by inputting or being discharged working air current realization first piston and second
The movement of plug further includes, and when three position four-way electromagnetic valve no power, the first Pneumatic valve and the second Pneumatic valve are closed, the first gas control
Valve, the first gas control cylinder, the second pneumatic linear actuator, the gas circuit of the second Pneumatic valve are self-locking, so that first piston and second piston do not occur
It is mobile, when realization powers off suddenly in clamping work, keep locking member.
First pneumatic linear actuator and the second pneumatic linear actuator are lived by inputting or being discharged working air current realization first piston and second
The movement of plug further includes, when three position four-way electromagnetic valve leads to negative electricity and when 2/2-way solenoid valve no power, the first Pneumatic valve to
First pneumatic linear actuator second chamber and the second pneumatic linear actuator second chamber input service air-flow, the first pneumatic linear actuator first chamber and the second gas
The air-flow of dynamic cylinder first chamber discharges followed by the second Pneumatic valve and three position four-way electromagnetic valve;First piston second end and
Second piston second end retracts the first pneumatic linear actuator and the second pneumatic linear actuator respectively, realizes loose components.
First pneumatic linear actuator and the second pneumatic linear actuator are lived by inputting or being discharged working air current realization first piston and second
The movement of plug further includes, when controller leads to negative electricity to three position four-way electromagnetic valve and when to 2/2-way solenoid valves, two two
Three-way electromagnetic valve is opened, and the air-flow in the first pneumatic linear actuator first chamber and the second pneumatic linear actuator first chamber is rapidly from 2/2-way electromagnetism
Valve discharge, first piston second end and the first pneumatic linear actuator of second piston second end fast retractile and the second pneumatic linear actuator, realize off-load.
The air pressure drives the clamp system that can be locked, and also includes identical first accumulator and the second accumulator;
First the first Pneumatic valve of accumulator air circuit connection, the first pneumatic linear actuator second chamber, the second pneumatic linear actuator second chamber;Second accumulator
The second Pneumatic valve of air circuit connection, the first pneumatic linear actuator first chamber and the second pneumatic linear actuator first chamber;Pass through the first accumulator and
Two accumulators realize that stablizing for working air current is transmitted between described two Pneumatic valves and described two pneumatic linear actuators, prevents working air current
Fluctuation.
A kind of method of clamping component is realized using clamp system of the invention, comprising the steps of:
S1, controller lead to positive electricity, 2/2-way solenoid valve no power to three position four-way electromagnetic valve;Air inlet stream passes through three
It is divided into three tunnels after position four-way solenoid valve, the first via opens the first Pneumatic valve and the second Pneumatic valve;Second tunnel passes through the second Pneumatic valve
Into the first pneumatic linear actuator first chamber and the second pneumatic linear actuator first chamber;Third road passes through check valve, overflow pressure reducing valve, the first gas
Control and enter the first pneumatic linear actuator second chamber and the second pneumatic linear actuator second chamber after valve, first piston and second piston from buffering from
First pneumatic linear actuator and the second pneumatic linear actuator stretch out, and realize clamping component clamping component;First pneumatic linear actuator second chamber and second simultaneously
The air-flow of pneumatic linear actuator second chamber discharges after flowing through the first pneumatic operated valve, overflow pressure reducing valve;When 3-position 4-way in clamping process
When solenoid valve powers off, into S2;When clamping component need to be unclamped, into S3;
S2, the first Pneumatic valve and the second Pneumatic valve are closed, the first Pneumatic valve, the second Pneumatic valve, the first pneumatic linear actuator, the second gas
The gas circuit of dynamic cylinder is locked, and first piston and second piston are stationary, and clamping component keeps clamping component;
S3, controller lead to negative electricity to three position four-way electromagnetic valve, to 2/2-way solenoid valve no power;Air inlet stream passes through
It is divided into two-way after three position four-way electromagnetic valve;The first via opens the first Pneumatic valve and the second Pneumatic valve;Second tunnel passes through check valve, overflows
It flows pressure reducing valve, enter the first pneumatic linear actuator second chamber and the second pneumatic linear actuator second chamber after the first pneumatic operated valve, first piston and the
Two pistons retract at the same time the first cylinder and the second cylinder, realize clamping component loose components;First pneumatic linear actuator first chamber simultaneously
With the air-flow of the second pneumatic linear actuator first chamber passes through the second Pneumatic valve respectively, three position four-way electromagnetic valve discharges;When off-load,
Into S4;
S4, controller lead to negative electricity to three position four-way electromagnetic valve, and to 2/2-way solenoid valves, 2/2-way solenoid valve is beaten
It opens, the working air current of the first pneumatic linear actuator first chamber and the second pneumatic linear actuator first chamber runs through 2/2-way solenoid valve row
Out, first piston and the first cylinder of second piston fast retractile and the second cylinder realize clamping component off-load.
Compared with prior art, the present invention can be realized Automatic-clamping, automatic release, unloading unit, improve production effect
Rate;Clamp system of the present invention has from buffering work energy and is adjustable clamping force size, can avoid damage to workpiece surface quality,
It is able to maintain certain chucking power again;There are also gas circuit self-locking function, when power-off or gas source decompression, remains to keep clamping machine the present invention
Structure clamping remains unchanged.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in description will be made simply below
It introduces, it should be apparent that, the accompanying drawings in the following description is one embodiment of the present of invention, and those of ordinary skill in the art are come
It says, without creative efforts, is also possible to obtain other drawings based on these drawings:
Fig. 1 is that air pressure of the invention drives the clamp system schematic diagram that can be locked;
Fig. 2 is clamping component schematic diagram of the invention
In figure: 1, three position four-way electromagnetic valve;2,2/2-way solenoid valve;3, check valve;4, overflow pressure reducing valve;5, the first gas
Control valve;6, the second Pneumatic valve;7, the first accumulator;8, the second accumulator;9, the first pneumatic linear actuator;10, the second pneumatic linear actuator;11, it presss from both sides
Tight component;12, first piston;13, second piston;14, the first pneumatic linear actuator first chamber;15, the first pneumatic linear actuator second chamber;
16, the second pneumatic linear actuator first chamber;17, the second pneumatic linear actuator second chamber;1101, first disk is clamped;1102, second disk is clamped;
1103, first connecting rod;1104, second connecting rod;1105, fixed beam.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention proposes that a kind of air pressure drives the clamp system that can be locked, connection controller, air inlet and
Gas outlet is clamped component, unclamps, locking operation according to the instruction that controller issues using air pressure as operation power, wraps
Contain:
Three position four-way electromagnetic valve 1 connects peripheral control unit air inlet and air outlet;By controller to the 3-position 4-way
Solenoid valve 1 leads to positive electricity or logical negative electricity, realizes clamp system clamping, loose components;When controller is logical not to three position four-way electromagnetic valve 1
Electricity realizes clamp system locking member;
2/2-way solenoid valve 2 connects peripheral control unit and gas outlet;When controller is logical to three position four-way electromagnetic valve 1 negative
Electricity, and to the 2/2-way solenoid valve 2 be powered when, 2/2-way solenoid valve 2 open, working air current quickly from 2/2-way electricity
Discharge in magnet valve 2, the off-load operation of implementation mechanism;
Identical first Pneumatic valve 5 and the second Pneumatic valve 6, equal air circuit connection three position four-way electromagnetic valve 1;When three four
When three-way electromagnetic valve 1 leads to positive electricity, gas circuit opens the first Pneumatic valve 5 and the second Pneumatic valve 6, and simultaneously to the first Pneumatic valve 5 and second
6 valve input service air-flow of Pneumatic valve;When three position four-way electromagnetic valve 1 leads to negative electricity, gas circuit opens the first Pneumatic valve 5 and the second gas control
Valve 6, but only to 5 input service air-flow of the first Pneumatic valve;When 1 no power of three position four-way electromagnetic valve, three position four-way electromagnetic valve 1 is not
Output gas flow, the first Pneumatic valve 5 and the second Pneumatic valve 6 are closed;
Identical first pneumatic linear actuator 9 and the second pneumatic linear actuator 10, are respectively equipped with first piston 12 and second piston 13;Institute
State the first pneumatic linear actuator 9 and equal air circuit connection the first Pneumatic valve 5 of the second pneumatic linear actuator 10 and the second Pneumatic valve 6,2/2-way solenoid valve
2;First pneumatic linear actuator 9 and the second pneumatic linear actuator 10 are by inputting or discharge working air current realizes first piston 12 and second piston 13
Movement;
Clamping component 11, it is hinged with first piston 12 and second piston 13, pass through first piston 12 and second piston 13
Movement is realized and clamps, unclamps, locking, unloading unit.
The first piston 12 divides the first pneumatic linear actuator 9 for the first pneumatic linear actuator first chamber 14 and first the second chamber of pneumatic linear actuator
Room 15;First piston first end is located in the first pneumatic linear actuator 9, and first piston second end is stretched from the first pneumatic linear actuator second chamber 15
Out;The second piston 13 divides the second pneumatic linear actuator 10 for the second pneumatic linear actuator first chamber 16 and the second pneumatic linear actuator second chamber
17;Second piston first end is located in the second pneumatic linear actuator 10, and second piston second end is stretched out from the second pneumatic linear actuator second chamber 17;
The first pneumatic linear actuator first chamber 14 and equal the second Pneumatic valve of air circuit connection 6 of the second pneumatic linear actuator first chamber 16 and 2/2-way
Solenoid valve 2;First pneumatic linear actuator second chamber 15 and the second pneumatic linear actuator second chamber 17 are all connected with the first Pneumatic valve 5.
As shown in Fig. 2, the clamping component 11 includes:
Fixed beam 1105;
Identical first, which clamps disk 1101 and second, clamps disk 1102, is placed on the first clamping for clamp or release
Component among disk 1101 and the second clamping disk 1102;
Identical first connecting rod 1103 and second connecting rod 1104;The both ends of the first connecting rod 1103 respectively with fixation
The first end of beam 1105, first clamp disk 1101 hingedly, and the middle part of first connecting rod 1103 and first piston second end are hinged;It is described
The both ends of second connecting rod 1104 clamp disk 1102 hingedly with the second end of fixed beam 1105, second respectively, second connecting rod 1104
Middle part and second piston second end are hinged;
When first piston 12 and second piston 13 are stretched out out of the first pneumatic linear actuator 9 and the second pneumatic linear actuator 10 simultaneously, respectively
First connecting rod 1103 and second connecting rod 1104 is driven to move, first, which clamps disk 1101 and second, clamps the realization of disk 1102 clamping section
Part;When first piston 12 and second piston 13 retract at the same time in the first pneumatic linear actuator 9 and the second pneumatic linear actuator 10, first is driven respectively
Connecting rod 1103 and second connecting rod 1104 move, and realize that first clamps disk 1101 and the second clamping 1102 loose components of disk.
The air pressure drives the clamp system that can be locked, and also includes row pressure module, extra in work gas circuit for being discharged
Air pressure, the row pressure module includes:
Overflow pressure reducing valve 4, air circuit connection are arranged between three position four-way electromagnetic valve 1 and the first Pneumatic valve 5;When the overflow
When air pressure is more than preset safety value in valve, overflow pressure reducing valve 4 is vented outwards, and operating air pressure is to safety in reducing mechanism
Value;And the clamping force of clamping component 11 can be adjusted by adjusting the safety value of setting;First Pneumatic valve 5 is also depressurized by overflow
Valve 4 is vented outwards;
Check valve 3, air circuit connection be arranged between three position four-way electromagnetic valve 1 and overflow pressure reducing valve 4, realize working air current from
For three position four-way electromagnetic valve 1 to 4 one-way flow of overflow pressure reducing valve, the air-flow of the first Pneumatic valve 5 directly can be from 4 row of overflow pressure reducing valve
Out, three position four-way electromagnetic valve 1 will not be passed back into.
The air pressure drives the clamp system that can be locked, and also includes identical first accumulator 7 and the second accumulator
8;First accumulator, 7 air circuit connection the first Pneumatic valve 5, the first pneumatic linear actuator second chamber 15, the second pneumatic linear actuator second chamber 17;The
Two accumulators, 8 air circuit connection the second Pneumatic valve 6, the first pneumatic linear actuator first chamber 14 and the second pneumatic linear actuator first chamber 16;Pass through
First accumulator and the second accumulator 8 realize that stablizing for working air current passes between described two Pneumatic valves and described two pneumatic linear actuators
It is defeated, prevent working air current to fluctuate.
First pneumatic linear actuator 9 and the second pneumatic linear actuator 10 are by inputting or discharge working air current realizes first piston 12 and the
The movement of two pistons 13, in particular to, when three position four-way electromagnetic valve 1 leads to positive electricity and 2/2-way 2 no power of solenoid valve, first
Pneumatic valve 5 is simultaneously to the first pneumatic linear actuator first chamber 14,6 first chamber input service air-flow of the second Pneumatic valve;Second Pneumatic valve 6
Simultaneously to 6 second chamber input service air-flow of the first pneumatic linear actuator second chamber 15 and the second Pneumatic valve;Existed by first piston 12
First pneumatic linear actuator first chamber 14 is different with 15 forced area of the first pneumatic linear actuator second chamber and second piston 13 is in the second gas
Dynamic cylinder first chamber 16 is different with 17 forced area of the second pneumatic linear actuator second chamber, realizes first piston 12 and second piston 13 certainly
What is buffered is protruding;The air-flow of the first pneumatic linear actuator second chamber 15, the second pneumatic linear actuator second chamber 17 is simultaneously followed by the
One Pneumatic valve 5, overflow pressure reducing valve 4 discharge.
First pneumatic linear actuator 9 and the second pneumatic linear actuator 10 are by inputting or discharge working air current realizes first piston 12 and the
The movement of two pistons 13 further includes, and when 1 no power of three position four-way electromagnetic valve, the first Pneumatic valve 5 and the second Pneumatic valve 6 are closed,
Realize that described two Pneumatic valves and described two pneumatic linear actuator gas circuits are self-locking, so that first piston 12 and second piston 13 do not occur
It is mobile, when realization powers off suddenly in clamping work, keep locking member.
First pneumatic linear actuator 9 and the second pneumatic linear actuator 10 are by inputting or discharge working air current realizes first piston 12 and the
The movement of two pistons 13 further includes, when three position four-way electromagnetic valve 1 leads to negative electricity and 2/2-way 2 no power of solenoid valve, the first gas
Valve 5 is controlled to 17 input service air-flow of the first pneumatic linear actuator second chamber 15 and the second pneumatic linear actuator second chamber, the first pneumatic linear actuator first
Chamber 14 and the air-flow of the second pneumatic linear actuator first chamber 16 are followed by the second Pneumatic valve 6 and three position four-way electromagnetic valve 1 to outlet
Out;First piston second end and second piston second end retract the first pneumatic linear actuator 9 and the second pneumatic linear actuator 10 respectively, realize release portion
Part.
First pneumatic linear actuator 9 and the second pneumatic linear actuator 10 are by inputting or discharge working air current realizes first piston 12 and the
The movement of two pistons 13 further includes, when controller leads to negative electricity to three position four-way electromagnetic valve 1 and is powered to 2/2-way solenoid valve 2
When, 2/2-way solenoid valve 2 is opened, and the air-flow in the first pneumatic linear actuator first chamber 14 and the second pneumatic linear actuator first chamber 16 is rapid
It is discharged from 2/2-way solenoid valve 2, first piston second end and the first pneumatic linear actuator of second piston second end fast retractile 9 and second
Pneumatic linear actuator 10 realizes off-load.
A kind of method of clamping component is realized using clamp system of the invention, comprising the steps of:
S1, as shown in Figure 1, controller leads to positive electricity in a to three position four-way electromagnetic valve 1,2 no power of 2/2-way solenoid valve
In a1;Air inlet stream is divided into three tunnels after passing through three position four-way electromagnetic valve 1, and the first via enters the first Pneumatic valve 5 and the second gas
It controls 6 control mouth of valve and opens the first Pneumatic valve 5 and the second Pneumatic valve 6;Second tunnel enters the first pneumatic linear actuator the by the second Pneumatic valve 6
One chamber 14 and the second pneumatic linear actuator first chamber 16;Third road is laggard by check valve 3, overflow pressure reducing valve 4, the first Pneumatic valve 5
Enter the first pneumatic linear actuator second chamber 15 and the second pneumatic linear actuator second chamber 17, first piston 12 and second piston 13 from buffering from
First pneumatic linear actuator 9 and the second pneumatic linear actuator 10 stretch out, and drive 1104 activity of first connecting rod 1103 and second connecting rod of clamp system, real
Existing first, which clamps disk 1101 and second, clamps 1102 clamping component of disk;First pneumatic linear actuator second chamber 15 and the second pneumatic linear actuator simultaneously
The air-flow of second chamber 17 discharges after flowing through the first pneumatic operated valve, overflow pressure reducing valve 4;When 3-position 4-way electromagnetism in clamping process
When valve 1 powers off, into S2;When unclamping clamping component, into S3;
S2, the first Pneumatic valve 5 and the second Pneumatic valve 6 are closed, the first Pneumatic valve 5, the second Pneumatic valve 6, the first pneumatic linear actuator 9,
Second pneumatic linear actuator, 10 gas circuit is locked, and first piston 12 and second piston 13 are stationary, first connecting rod 1103 and second connecting rod
1104 is also stationary, and first, which clamps disk 1101 and second, clamps the holding clamping component of disk 1102;
S3, controller lead to negative electricity in c, to 2 no power of 2/2-way solenoid valve in a1 to three position four-way electromagnetic valve 1;
Air inlet stream is divided into two-way after passing through three position four-way electromagnetic valve 1;The first via enters the first Pneumatic valve 5 and the second Pneumatic valve 6 is controlled
Donsole opens the first Pneumatic valve 5 and the second Pneumatic valve 6;Second tunnel is laggard by check valve 3, overflow pressure reducing valve 4, the first pneumatic operated valve
Enter the first pneumatic linear actuator second chamber 15 and the second pneumatic linear actuator second chamber 17,
First piston 12 and second piston 13 retract at the same time the first cylinder and the second cylinder, and the first of clamp system is driven to connect
1104 activity of bar 1103 and second connecting rod realizes that first clamps disk 1101 and the second clamping 1102 loose components of disk;While first
The air-flow of pneumatic linear actuator first chamber 14 and the second pneumatic linear actuator first chamber 16 passes through the second Pneumatic valve 6,3-position 4-way electromagnetism respectively
Valve 1 discharges;When off-load, into S4;
S4, controller lead to negative electricity in c to three position four-way electromagnetic valve 1, are powered 2/2-way solenoid valve 2 in b1, two
Two three-way electromagnetic valves 2 of position are opened, and the working air current of the first pneumatic linear actuator first chamber 14 and the second pneumatic linear actuator first chamber 16 leads to rapidly
The discharge of 2/2-way solenoid valve 2, first piston 12 and 13 the first cylinder of fast retractile of second piston and the second cylinder are crossed, realizes the
One, which clamps disk 1101 and second, clamps 1102 off-load of disk.
Compared with prior art, the present invention can be realized Automatic-clamping, automatic release, unloading unit, improve production effect
Rate;Clamp system of the present invention has from buffering work energy and is adjustable clamping force size, can avoid damage to workpiece surface quality,
It is able to maintain certain chucking power again;There are also gas circuit self-locking function, when power-off or gas source decompression, remains to keep clamping machine the present invention
Structure clamping remains unchanged.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection scope subject to.
Claims (10)
1. a kind of air pressure drives the clamp system that can be locked, controller, air inlet and air outlet are connected, is issued according to controller
Instruction, using air pressure as operation power, component is clamped, is unclamped, locking operation, characterized by comprising:
Three position four-way electromagnetic valve connects peripheral control unit air inlet and air outlet;By controller to the 3-position 4-way electromagnetism
Valve leads to positive electricity or logical negative electricity, realizes clamp system clamping, loose components;When controller is not to three position four-way electromagnetic valve energization, reality
Existing clamp system locking member;
2/2-way solenoid valve connects peripheral control unit and gas outlet;When controller leads to negative electricity to three position four-way electromagnetic valve, and it is right
When the 2/2-way solenoid valves, 2/2-way solenoid valve is opened, and working air current is quickly arranged out of 2/2-way solenoid valve
Out, the off-load operation of implementation mechanism;
Identical first Pneumatic valve and the second Pneumatic valve, equal air circuit connection three position four-way electromagnetic valve;When 3-position 4-way electromagnetism
When valve leads to positive electricity and 2/2-way solenoid valve no power, three position four-way electromagnetic valve gas circuit opens the first Pneumatic valve and the second gas control
Valve, and simultaneously to the first Pneumatic valve and the second Pneumatic valve valve input service air-flow;When three position four-way electromagnetic valve leads to negative electricity and two
When two three-way electromagnetic valve no powers, three position four-way electromagnetic valve gas circuit opens the first Pneumatic valve and the second Pneumatic valve, but only to the first gas
Control valve input service air-flow;When three position four-way electromagnetic valve no power, three position four-way electromagnetic valve not output gas flow, the first Pneumatic valve
It is closed with the second Pneumatic valve;
Identical first pneumatic linear actuator and the second pneumatic linear actuator, are respectively equipped with first piston and second piston;Described first is pneumatic
Cylinder and equal the first Pneumatic valve of air circuit connection of the second pneumatic linear actuator and the second Pneumatic valve, 2/2-way solenoid valve;First pneumatic linear actuator and
The movement that two pneumatic linear actuators realize first piston and second piston by inputting or being discharged working air current;
Clamping component, it is hinged with first piston and second piston, by the movement of first piston and second piston, realize clamp,
It unclamps, locking, unloading unit.
2. air pressure as described in claim 1 drives the clamp system that can be locked, which is characterized in that the first piston is by first
Pneumatic linear actuator is divided into the first pneumatic linear actuator first chamber and the first pneumatic linear actuator second chamber;First piston first end is located at the first pneumatic linear actuator
Interior, first piston second end is stretched out from the first pneumatic linear actuator second chamber;Second pneumatic linear actuator is divided into the second gas by the second piston
Dynamic cylinder first chamber and the second pneumatic linear actuator second chamber;Second piston first end is located in the second pneumatic linear actuator, second piston second
End is stretched out from the second pneumatic linear actuator second chamber;The first pneumatic linear actuator first chamber and the equal gas circuit of the second pneumatic linear actuator first chamber connect
Connect the second Pneumatic valve and 2/2-way solenoid valve;First pneumatic linear actuator second chamber and the second pneumatic linear actuator second chamber are all connected with first
Pneumatic valve.
3. air pressure as described in claim 1 drives the clamp system that can be locked, which is characterized in that the clamping component includes:
Fixed beam;
Identical first, which clamps disk and second, clamps disk, is placed on the first clamping disk and second for clamp or release and clamps
Component among disk;
Identical first connecting rod and second connecting rod;The both ends of the first connecting rod respectively with the first end of fixed beam, first
Clamping disk is hinged, and the middle part of first connecting rod and first piston second end are hinged;The both ends of the second connecting rod respectively with fixed beam
Second end, second clamp disk it is hinged, the middle part of second connecting rod and second piston second end are hinged;
When first piston and second piston are stretched out out of the first pneumatic linear actuator and the second pneumatic linear actuator simultaneously, first connecting rod is driven respectively
It is moved with second connecting rod, first, which clamps disk and second, clamps disk realization clamping component;When first piston and second piston contract simultaneously
When returning in the first pneumatic linear actuator and the second pneumatic linear actuator, drive first connecting rod and second connecting rod movement respectively, realize first clamp disk and
Second clamps disk loose components.
4. air pressure as described in claim 1 drives the clamp system that can be locked, which is characterized in that also include row pressure module, use
The extra air pressure in discharge work gas circuit, the row pressure module includes:
Overflow pressure reducing valve, air circuit connection are arranged between three position four-way electromagnetic valve and the first Pneumatic valve;When gas in the overflow valve
When pressure is more than preset safety value, overflow pressure reducing valve is vented outwards, and operating air pressure is to safety value in reducing mechanism;And it can lead to
The safety value for crossing adjustment setting, adjusts the clamping force of clamping component;First Pneumatic valve also passes through overflow pressure reducing valve and is vented outwards;
Check valve, air circuit connection are arranged between three position four-way electromagnetic valve and overflow pressure reducing valve, realize working air current from three four
Three-way electromagnetic valve is to overflow pressure reducing valve one-way flow.
5. air pressure as claimed in claim 4 drives the clamp system that can be locked, which is characterized in that first pneumatic linear actuator and the
Two pneumatic linear actuators by input or discharge working air current realize first piston and second piston movement, in particular to, when three four
Three-way electromagnetic valve leads to positive electricity and when 2/2-way solenoid valve no power, and the first Pneumatic valve is simultaneously to the first pneumatic linear actuator first chamber, the
Two pneumatic linear actuator first chamber input service air-flows;Second Pneumatic valve is simultaneously to the first pneumatic linear actuator second chamber and the second pneumatic linear actuator the
Two chamber input service air-flows;By first piston in the first pneumatic linear actuator first chamber and the first pneumatic linear actuator second chamber stress surface
Product is different and second piston is different with the second pneumatic linear actuator second chamber forced area in the second pneumatic linear actuator first chamber, realizes
First piston and second piston are protruding from what is buffered;First pneumatic linear actuator second chamber, the second pneumatic linear actuator second chamber simultaneously
Air-flow discharged followed by the first Pneumatic valve, overflow pressure reducing valve.
6. air pressure as claimed in claim 5 drives the clamp system that can be locked, which is characterized in that first pneumatic linear actuator and the
The movement that two pneumatic linear actuators realize first piston and second piston by inputting or being discharged working air current, further includes working as 3-position 4-way
When solenoid valve no power, the first Pneumatic valve and the second Pneumatic valve are closed, and realize that gas circuit is self-locking, thus first piston and second piston
It does not move, when realization powers off suddenly in clamping work, keeps locking member.
7. air pressure as claimed in claim 3 drives the clamp system that can be locked, which is characterized in that first pneumatic linear actuator and the
The movement that two pneumatic linear actuators realize first piston and second piston by inputting or being discharged working air current, further includes working as 3-position 4-way
When solenoid valve leads to negative electricity and when 2/2-way solenoid valve no power, the first Pneumatic valve is to the first pneumatic linear actuator second chamber and the second gas
The air-flow of dynamic cylinder second chamber input service air-flow, the first pneumatic linear actuator first chamber and the second pneumatic linear actuator first chamber followed by
Second Pneumatic valve and three position four-way electromagnetic valve discharge;First piston second end and second piston second end retract first respectively
Pneumatic linear actuator and the second pneumatic linear actuator realize loose components.
8. air pressure as claimed in claim 7 drives the clamp system that can be locked, which is characterized in that first pneumatic linear actuator and the
Two pneumatic linear actuators realize the movement of first piston and second piston by input or discharge working air current, further include, when controller pair
Three position four-way electromagnetic valve leads to negative electricity and when to 2/2-way solenoid valves, and 2/2-way solenoid valve is opened, the first pneumatic linear actuator the
Air-flow in one chamber and the second pneumatic linear actuator first chamber is discharged from 2/2-way solenoid valve rapidly, first piston second end and the
Two the first pneumatic linear actuators of piston second end fast retractile and the second pneumatic linear actuator realize off-load.
9. air pressure as described in claim 1 drives the clamp system that can be locked, which is characterized in that also comprising identical the
One accumulator and the second accumulator;First the first Pneumatic valve of accumulator air circuit connection, the first pneumatic linear actuator second chamber, second are pneumatically
Cylinder second chamber;Second the second Pneumatic valve of accumulator air circuit connection, the first pneumatic linear actuator first chamber and second the first chamber of pneumatic linear actuator
Room;Working air current between described two Pneumatic valves and described two pneumatic linear actuators is realized by the first accumulator and the second accumulator
Stablize transmission, working air current is prevented to fluctuate.
10. a kind of method of clamping component, using the clamp system as described in 1~claim 9 of claim is any is realized,
It is characterized in that, including step:
S1, controller lead to positive electricity, 2/2-way solenoid valve no power to three position four-way electromagnetic valve;Air inlet stream passes through three four
It is divided into three tunnels after three-way electromagnetic valve, the first via opens the first Pneumatic valve and the second Pneumatic valve;Second tunnel is entered by the second Pneumatic valve
First pneumatic linear actuator first chamber and the second pneumatic linear actuator first chamber;Third road passes through check valve, overflow pressure reducing valve, the first Pneumatic valve
Enter the first pneumatic linear actuator second chamber and the second pneumatic linear actuator second chamber afterwards, first piston and second piston are from buffering from first
Pneumatic linear actuator and the second pneumatic linear actuator stretch out, and realize clamping component clamping component;While the first pneumatic linear actuator second chamber and second is pneumatically
The air-flow of cylinder second chamber discharges after flowing through the first pneumatic operated valve, overflow pressure reducing valve;When 3-position 4-way electromagnetism in clamping process
When valve powers off, into S2;When clamping component need to be unclamped, into S3;
S2, the first Pneumatic valve and the second Pneumatic valve are closed, the first Pneumatic valve, the second Pneumatic valve, the first pneumatic linear actuator, the second pneumatic linear actuator
Gas circuit it is locked, first piston and second piston are stationary, and clamping component keeps clamping component;
S3, controller lead to negative electricity to three position four-way electromagnetic valve, to 2/2-way solenoid valve no power;Air inlet stream passes through three
It is divided into two-way after four way solenoid valve;The first via opens the first Pneumatic valve and the second Pneumatic valve;Second tunnel is subtracted by check valve, overflow
Enter the first pneumatic linear actuator second chamber and the second pneumatic linear actuator second chamber after pressure valve, the first pneumatic operated valve, first piston and second live
Retract at the same time the first cylinder and the second cylinder are filled in, realizes clamping component loose components;First pneumatic linear actuator first chamber and the simultaneously
The air-flow of two pneumatic linear actuator first chambers passes through the second Pneumatic valve respectively, three position four-way electromagnetic valve discharges;When off-load, enter
S4;
S4, controller lead to negative electricity to three position four-way electromagnetic valve, and to 2/2-way solenoid valves, 2/2-way solenoid valve is opened,
The working air current of first pneumatic linear actuator first chamber and the second pneumatic linear actuator first chamber runs through the discharge of 2/2-way solenoid valve, the
One piston and the first cylinder of second piston fast retractile and the second cylinder realize clamping component off-load.
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