CN105922037A - Fixture and air pressure detection mechanism thereof - Google Patents
Fixture and air pressure detection mechanism thereof Download PDFInfo
- Publication number
- CN105922037A CN105922037A CN201610404351.8A CN201610404351A CN105922037A CN 105922037 A CN105922037 A CN 105922037A CN 201610404351 A CN201610404351 A CN 201610404351A CN 105922037 A CN105922037 A CN 105922037A
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- location
- plate
- air
- opening
- air pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to a fixture and an air pressure detection mechanism thereof. The fixture further comprises a base, first air cylinders, second air cylinders, an air inlet pipe and an air outlet pipe; the air pressure detection mechanism comprises a pressure solenoid valve, a three-way pipe and a seal ring, and the three-way pipe comprises a first opening, a second opening and a third opening which communicate with one another; when a workpiece is arranged on the positioning surface of a positioning plate, high-pressure air of the air inlet pipe is introduced into a positioning air hole via the second opening and the third opening; if the workpiece is clamped in place and the positioning surface of the positioning plate is clean, the surface of the workpiece and the sealing performance of the seal ring are better, the positioning air hole cannot leak air at the moment, the pressure solenoid valve detects the preset air pressure value, and an intelligent numerically-controlled machine tool is started normally; if the workpiece is not clamped in place and/or the positioning surface of the positioning plate is not clean, the positioning air hole in the positioning plate leaks air, the air pressure value detected by the pressure solenoid valve is reduced, and the intelligent numerically-controlled machine tool cannot be started at the moment.
Description
Technical field
The present invention relates to Digit Control Machine Tool aid technical field, particularly relate to a kind of fixture and air pressure inspection thereof
Survey mechanism.
Background technology
Digit Control Machine Tool (CNC, Computer number control) is utilized to process electronic product (such as hands
Machine, panel computer etc.) shell or during center, it will usually use fixture, it would be desirable to the clamping workpiece of processing
On the locating surface of fixture, workpiece is processed by the cutter then recycling Digit Control Machine Tool.
But conventional brace cannot detect workpiece, and whether clamping puts in place, also cannot detect the locating surface of fixture
Whether clean, it may happen that the overproof problem of processing dimension during converted products, serious conditions also can cause cutter
The situation that the damage of tool and board damage.
Summary of the invention
Based on this, it is necessary to for above-mentioned technical problem, it is provided that one can detect whether clamping arrives workpiece
Position and the fixture that whether cleans of locating surface and air pressure testing agency thereof.
A kind of air pressure testing agency, for by detected air pressure, to detect workpiece, whether clamping puts in place and positions
Whether the locating surface of plate cleans, and described location-plate offers the location pore running through locating surface, described air pressure
Testing agency includes that pressure solenoid valve, tee T and sealing ring, described tee T include first be interconnected
Opening, the second opening and the 3rd opening, described pressure solenoid valve and described first opening in communication, described the
Two openings and an air inlet pipe are connected, and described 3rd opening is connected with described location pore, described sealing ring
Being arranged at the pore of described location, and be positioned at the locating surface of described location-plate, gas enters through described 3rd opening
Acting on the pore of described location after entering tee T, the described pressure solenoid valve that described first opening connects is used for
Detect the air pressure in described tee T to determine whether that clamping puts in place.
Wherein in an embodiment, also include that air pressure regulator, described air pressure regulator are arranged at described
Between the air inlet pipe of two openings and described fixture, and connect the air inlet pipe of described second opening and described fixture.
Wherein in an embodiment, also include warning mechanism, described warning mechanism and described pressure solenoid valve
Electrical connection.
A kind of fixture, including:
Base, including base plate, location-plate and pressing plate, described location-plate includes locating surface, and described locating surface is used
In placing workpiece, described location-plate is arranged between described base plate and described pressing plate；
First cylinder, the end of its piston rod is provided with jaw, and described first cylinder is used for driving described jaw
Move described pressing plate is applied pressure；
Second cylinder, for driving described base plate to move along the direction near described location-plate；
Air inlet pipe, escape pipe and the air pressure testing agency as described in any of the above one, described first cylinder
The air inlet of air inlet, described 3rd opening and described second cylinder is all connected with described air inlet pipe and mutually
Parallel connection, the gas outlet of described second cylinder and the gas outlet of described second cylinder are all connected with described escape pipe
And it is parallel with one another.
Wherein in an embodiment, described jaw is rotatablely arranged at the end of described piston rod.
Wherein in an embodiment, one end of described jaw is arranged on described piston rod by the first rotating shaft,
Being provided with locating piece on described first cylinder, the middle part of described jaw is rotatablely arranged at described by connecting rod
On locating piece, the other end of described jaw is free end.
Wherein in an embodiment, the quantity of described first cylinder is multiple, and multiple described first cylinders are equal
Even be distributed in around described location-plate, the air inlet of multiple first cylinders parallel with one another and all with described air inlet
Pipe is connected, and the gas outlet of multiple first cylinders is parallel with one another and is all connected with described escape pipe.
Wherein in an embodiment, the opposite sides face of described pressing plate is provided with handle.
Wherein in an embodiment, between described pressing plate and described base plate, it is provided with location bar, and described pressure
Offering the first perforate on plate, described base plate offers the second perforate, the two ends of described location bar are the most embedding
It is located in described first perforate and described second perforate.
Wherein in an embodiment, also include that air pressure time-delay valve, described air pressure time-delay valve enter described in being arranged at
Between trachea and described escape pipe and described second cylinder.
Above-mentioned fixture and air pressure testing agency thereof at least have the advantage that
After workpiece is placed in the locating surface of location-plate, the gases at high pressure of air inlet pipe by the second opening, the 3rd open
Mouth is passed in the pore of location, if clamping workpiece puts in place and the locating surface of location-plate cleaning, the surface of workpiece
Preferable with the sealing property of sealing ring, now location pore will not leak gas, and pressure solenoid valve detects predetermined gas
Pressure value, Intelligent numerical control machine tool normally starts；If location-plate is unkitted clips to the locating surface of position and/or location-plate not
Cleaning, then the location pore gas leakage on location-plate, the atmospheric pressure value that pressure solenoid valve detects can diminish, now
Intelligent numerical control machine tool can not start.
Accompanying drawing explanation
Fig. 1 is the structural representation of the fixture in an embodiment；
Fig. 2 is the decomposing schematic representation of fixture shown in Fig. 1；
Fig. 3 is the decomposing schematic representation at another visual angle of fixture shown in Fig. 1；
Fig. 4 is the partial schematic diagram of fixture shown in Fig. 2；
Fig. 5 is another partial schematic diagram of fixture shown in Fig. 2；
Fig. 6 is the structural representation of detent mechanism in Fig. 2；
Fig. 7 is another partial schematic diagram of fixture shown in Fig. 2；
Fig. 8 is the another partial schematic diagram of fixture shown in Fig. 2；
Fig. 9 is the structural representation of air pressure time-delay valve in Fig. 1；
Figure 10 is the decomposing schematic representation of air pressure time-delay valve shown in Fig. 9；
Figure 11 is the partial schematic diagram in Fig. 9；
Figure 12 is the decomposing schematic representation at another visual angle shown in Figure 11；
Figure 13 is the structural representation at another visual angle of air pressure time-delay valve shown in Fig. 9；
Figure 14 is the sectional view of line A-A along Figure 13；
Figure 15 is the sectional view of line B-B along Figure 13；
Figure 16 is the decomposing schematic representation of the air pressure testing agency in an embodiment.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, the most right
The detailed description of the invention of the present invention is described in detail.Elaborate in the following description a lot of detail with
It is easy to fully understand the present invention.But the present invention can come real to be a lot different from alternate manner described here
Executing, those skilled in the art can do similar improvement in the case of intension of the present invention, therefore this
Bright do not limited by following public being embodied as.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly at another
On individual element or element placed in the middle can also be there is.When an element is considered as " connection " another yuan
Part, it can be directly to another element or may be simultaneously present centering elements.Used herein
Term " vertical ", " level ", "left", "right" and similar statement simply to illustrate that mesh
, being not offered as is unique embodiment.
Unless otherwise defined, all of technology used herein and scientific terminology and the technology belonging to the present invention
The implication that the technical staff in field is generally understood that is identical.The art used the most in the description of the invention
Language is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting the present invention.The above is implemented
Each technical characteristic of example can combine arbitrarily, for making description succinct, and not each in above-described embodiment
The all possible combination of individual technical characteristic is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Refer to Fig. 1 to Fig. 3, be the fixture 10 in an embodiment.This fixture 10 is mainly used in intelligence
On Digit Control Machine Tool, it is used for fixing workpiece 20, such as phone housing, center etc., in order to workpiece 20 is entered
One step processing.Specific in present embodiment, fixture 10 includes base 100, detent mechanism 200, first
Cylinder the 300, second cylinder 400, air inlet pipe 500, escape pipe 600, air pressure time-delay valve 700 and air pressure inspection
Survey mechanism 800.
Seeing also Fig. 4, base 100 includes base plate 110, location-plate 120 and pressing plate 130, location-plate
Including locating surface 121, locating surface 121 is used for placing workpiece 20, location-plate 120 be arranged at base plate 110 with
Between pressing plate 130.When workpiece 20 is positioned on fixture 10, workpiece 20 is positioned at the locating surface of location-plate 120
Between 121 and pressing plate 130.The opposite sides face of pressing plate 130 is provided with handle 131, can be by handle 131
Pressing plate 130 is placed in above workpiece 20, improves the convenience of pressing plate 130.
It is provided with between base plate 110 and pressing plate 130 on location bar 140, and pressing plate 130 and offers the first perforate
132, base plate 110 offers the second perforate 111, the two ends of location bar 140 are embedded at the first perforate respectively
In 132 and in the second perforate 111, to improve the positional accuracy between pressing plate 130 and base plate 110.
Seeing also Fig. 5 and Fig. 6, detent mechanism 200 is positioned location-plate 120 for auxiliary work-piece 20
On.Detent mechanism 200 includes that locating bodies the 210, first spring the 220, first locating dowel 230 and second is fixed
Position post 240, locating bodies 210 is embedded on the location-plate 120 of fixture 10.Such as, locating bodies 210
Can be substantially in rectangular shape, wherein two adjacent side are provided with unfilled corner to form error-proof structure.By fixed
Offer blind slot 122 on the plate 120 of position, detent mechanism 200 is placed in blind slot 122, so that locating bodies 210
It is embedded at the structure of fixture 10.
Offering locating slot 211 on locating bodies 210, the first locating dowel 230 is contained in locating slot 211.
First spring 220 is sheathed in the first locating dowel 230, and one end of the second locating dowel 240 offers accepting groove
241, the second locating dowel 240 offers one end of accepting groove 241 and stretches in locating slot 211, the second locating dowel
The other end of 240 stretches out in locating bodies 210, and the diameter of the other end of the second locating dowel 240 is along away from the
The direction of one locating dowel 230 is gradually reduced.The size of locating slot 211 is gradually reduced along the direction near end face,
Second locating dowel 240 stretches into the diameter of one end of locating bodies 210 more than straight near end face of locating slot 211
Footpath, prevents the second locating dowel 240 from departing from locating slot 211.
Therefore, when workpiece 20 is placed on location-plate 120, worn by the hole, location 21 on workpiece 20
In the other end of the second locating dowel 240, position with auxiliary work-piece 20.And due to the second locating dowel 240
The diameter of the other end is gradually reduced, therefore, it is possible to adapt to various difference along the direction away from the first locating dowel 230
The hole, location 21 of size, to improve the suitability of detent mechanism 200, improves detent mechanism 200 and hole, location
The matching degree of 21, improves positioning precision.
Rounding 242 is set between side and the end face of the other end of the second locating dowel 240, therefore can be effective
The hole, location 21 preventing workpiece 20 is arranged in scratch workpiece 20 time in the second locating dowel 240.Second locating dowel
The end face of the other end of 240 is outwardly formed with salient point 243, now can hole, location 21 on workpiece 20
Bottom one groove is set, to match with boss 243.
Specific in present embodiment, the height of the first locating dowel 230 is in nature less than the first spring 220
Height during state, now the bottom of accepting groove 241 and the first spring 220 in the raw time one end
Offset, between bottom and first locating dowel 230 of accepting groove 241, there is spacing.When workpiece 20 is arranged in
Time in two locating dowels 240, the sidewall in the hole 21, location of workpiece 20 and the outer peripheral edge phase of the second locating dowel 240
Support.When pressing plate 130 applies pressure to workpiece 20, the second locating dowel 240 is pressed by workpiece 20,
And then compressing the first spring 220, make the first spring 220 compress, and then reduce workpiece 20 and location-plate 120
Locating surface 121 between distance.When the first spring 220 is compressed to a certain degree, the end of accepting groove 241
When portion is inconsistent with the first locating dowel 230, the first spring 220 cannot be compressed again.
Certainly, in other embodiments, it is also possible to make the height of the first locating dowel 230 more than the first bullet
Spring 220 in the raw time height, now, the second locating dowel 240 offers the end of accepting groove 241
Portion with the first spring 220 in the raw time one end offset, the bottom of accepting groove 241 with first location
Between post 230, there is spacing.
Specific in present embodiment, locating slot 211 runs through the bottom surface of locating bodies 210 and end face is formed logical
Hole, the bottom surface of locating bodies 210 is additionally provided with baffle plate 250, and baffle plate 250 is covered on through hole, the first spring
220 and first one end of locating dowel 230 all offset with baffle plate 250.
Offering the first screwed hole on baffle plate 250, the first locating dowel 230 is opened with one end that baffle plate 250 offsets
It is provided with the second screwed hole, in being arranged in the first screwed hole successively by the first threaded fastener 260 and the second spiral shell
In pit, the first locating dowel 230 is fixed on baffle plate 250.The 3rd screw thread it is further opened with on baffle plate 250
Hole, locating bodies 210 offers the 4th screwed hole, is arranged in successively by the second threaded fastener 270
In 3rd screwed hole and the 4th screwed hole, baffle plate 250 to be more securely fixed on the end of locating bodies 210
Portion.
In present embodiment, the installation method of detent mechanism 200 is as follows: first by the second locating dowel 240 by logical
The end face of locating bodies 210 is stretched out in hole, and it is fixed then the first spring 220 and the first locating dowel 230 to be assembled to
In the body 210 of position, finally baffle plate 250 is covered on through hole, is conducive to improving detent mechanism 200 and assembles
Convenience.
Fixture 10 also includes installing plate 900, is fixed on Intelligent numerical control machine tool by installing plate 900, first
Cylinder 300 is installed on installing plate 900.See also Fig. 7, the piston rod 310 of the first cylinder 300
End is provided with jaw 320, and the first cylinder 300 is used for driving jaw 320 to move pressing plate 130 is applied pressure
Power.
Specific in present embodiment, jaw 320 is rotatablely arranged at the end of piston rod 310.Such as,
One end of jaw 320 is arranged on piston rod 310 by the first rotating shaft 330, and the first cylinder 300 is arranged
Having locating piece 340, the middle part of jaw 320 is rotatablely arranged on locating piece 340 by connecting rod 350, folder
The other end of pawl 320 is free end.When piston rod 310 stretches out, drive one end of jaw 320 to rotate, enter
And make the free end of jaw 320 rotate, it is pressed on pressing plate 130.Certainly, in other embodiments,
Can also directly drive jaw about 320 to move along a straight line by the flexible of piston rod 310, push down pressing plate 130.
The quantity of the first cylinder 300 is multiple, and multiple first cylinders 300 are uniformly distributed in location-plate 120
Around, the air inlet of multiple first cylinders 300 is parallel with one another and is all connected with air inlet pipe 500, air inlet pipe
500 gases at high pressure being passed through directly can enter the first cylinder 300 by the air inlet of the first cylinder 300, the
One cylinder 300 drives jaw that pressing plate 130 is applied pressure.The gas outlet of multiple first cylinders 300 is the most also
Join and be all connected with escape pipe 600.Such as, the quantity of the first cylinder 300 is six, three the first gas
Cylinder 300 is arranged at the side of location-plate 120, and the other three the first cylinder 300 is positioned at the another of location-plate 120
Side.
Seeing also Fig. 8, the second cylinder 400 is for driving base plate 110 along the direction near location-plate 120
Motion.Specifically, the quantity of the second cylinder 400 is two, the second cylinder 400 by gripper shoe 410 and
Cylinder mounting plate 420 is fixed on installing plate 900, and cylinder mounting plate 420 is arranged in gripper shoe 410,
Gripper shoe 410 is arranged on installing plate 900.The piston rod of the second cylinder 400 is inconsistent with base plate 110,
Base plate 110 can be driven to move along the direction near location-plate 120.
The air inlet of each the second cylinder 400 is parallel with one another, and the gas outlet of each the second cylinder 400 is the most also
Connection.And second cylinder 400 be connected with air inlet pipe 500 and escape pipe 600 by an air pressure time-delay valve.
Seeing also Fig. 9 to 15, air pressure time-delay valve 700 includes main body adapting pipe 710, piston 720, true
Blank pipe the 730, second spring 740, air bleeding valve 750, adjusting part 760, sphere filter 770 and end cap 780.
Main body adapting pipe 710 is in hollow form, and including the first end 711 and the second end 712, the first end 711 is provided with air inlet
Mouth 710a and gas outlet 710b.Inlet suction port 713, such as inlet suction port 713 it is provided with at air inlet 710a
Can threadedly be located at air inlet 710a.Air outlet adapter 714 it is provided with, such as at the 710b of gas outlet
Air outlet adapter 714 can be threadedly located at the 710b of gas outlet.
Gas outlet 710b is positioned at the sidewall of the first end 710, air inlet 710a be positioned at the first end 711 end face or
Person's sidewall, the sidewall of the second end 712 is provided with passage 710c, gas outlet 710b and is positioned at air inlet 710a
And between passage 710c.Such as, specific in present embodiment, air inlet 710a is positioned at the end of the first end
Face.The air inlet 710a of air pressure time-delay valve 700 and the air inlet of the first cylinder 300 are in parallel, and equal and air inlet
Pipe 500 is connected.The gas outlet 710b of air pressure time-delay valve 700 and the air inlet series connection of the second cylinder 400,
The escape pipe 600 of the first cylinder 300 in parallel with the gas outlet of the second cylinder 400 and all with escape pipe 600 phase
Connection.
Piston 720 is contained in main body adapting pipe 710.For example, it is also possible to accept with main body at piston 720
Between the medial wall of pipe 710, sealing ring is set, close with increase between piston 720 and main body adapting pipe 710
Feng Xing.When being positioned at original state, the gas outlet 710b of piston 720 blanket gas pressure time-delay valve 700.
Vacuum tube 730 is contained in main body adapting pipe 710.One end of piston 720 is inserted in vacuum tube 730
In, when gases at high pressure enter in main body adapting pipe 710 from air inlet 710a, drive piston 720 along insertion
Direction motion in vacuum tube 730.Protrude inwardly from the medial wall of main body adapting pipe 710 and be formed with limiting stand
Rank 715, gas outlet 710b is between limited step 715 and air inlet 710a, and vacuum tube 730 is inserted into
The one end having piston 720 offsets with limited step 715, and therefore vacuum tube 730 cannot be near air inlet
Direction is moved.Piston 720 stretches into one end of vacuum tube 730 and can offset with limited step 715, prevents from living
Plug 720 departs from from main body adapting pipe 710.
Second spring 740 is contained in vacuum tube 730, and one end of the second spring 740 is connected to piston 720
On.Air bleeding valve 750 is contained in vacuum tube 730, and the other end of the second spring 740 is connected to air bleeding valve 750
On.Offering steam vent 751 on air bleeding valve 750, the diameter of steam vent 751 is straight less than air inlet 710a's
Footpath.Such as, steam vent 751 can be the pore that diameter is less.Offer on the sidewall of air bleeding valve 750 into
Air drain 752, air inlet duct 752 is connected with steam vent 751.
Adjusting part 760 includes regulating valve 761, buckle 762 and adjusting screw rod 763.Air bleeding valve 750 passes through
Buckle 762 is fixed on regulation valve 761, and regulation valve 761 offers be connected with air inlet duct 752 logical
Air drain 7611, one end of adjusting screw rod 763 is run through end cap 780 and is connected to regulate on valve 761.
Specifically, regulation valve 761 is in hollow form and one end open, and opening projects axially outward shape along it
Becoming to have fixing post 7612, the medial wall of fixing post 7612 offers the first draw-in groove 7613, buckle 762 is opened
Be located in the first draw-in groove 7613, air bleeding valve 750 buckle 762 in regulation valve 761 between, air channel 7611
It is opened in the other end relative with its opening on regulation valve 761.The end face of fixing post 7612 offers second
Draw-in groove 7614, one end of the second spring 740 is arranged in the second draw-in groove 7614.
The other end of regulation valve 761 projects axially outward formation limited post 7615 along it, and limited post 7615 is opened
Being provided with stopper slot 7616, one end of adjusting screw rod 763 snaps in stopper slot 7616.Such as, at limited post
The periphery of 7615 offers stopper slot 7616, and one end of adjusting screw rod 763 arranges chuck, snaps in limit by chuck
Position groove in 7616, with adjusting screw rod 763 is arranged on regulation valve 761 one end.Adjusting screw rod 763 is to use
Come the rear end of regulating piston 720 to the distance of the gas outlet 710b of air pressure time-delay valve 700, the length of this distance
The short length determining regulation time delay.
Sphere filter 770 is contained in outside main body adapting pipe 710, and is positioned at outside the sidewall offering passage 710c
Side, sphere filter 770 mainly plays a role in filtering, and prevents extraneous dust from entering in main body adapting pipe 710,
It is avoided to enter in vacuum tube 730.End cap 780 is covered on the end of the second end 712.Such as, end cap 780
The end of the second end 712 can be located at spiral shell.
During work, gases at high pressure are passed through air inlet pipe 500, and then enter air inlet and the air pressure of the first cylinder 300
The air inlet 710a of time-delay valve 700, gases at high pressure order about after entering the first cylinder 300 its piston rod stretch out into
And driving jaw 320 to rotate, jaw 320 pushes down pressing plate 130, workpiece 20 is fixed on pressing plate 130 with fixed
Between the plate 120 of position, gases at high pressure enter air pressure time-delay valve 700 simultaneously, drive piston 720 true to continuing to stretch into
The direction motion of blank pipe 730, movement progress second spring 740 of piston 720 makes it compress, and is promoting
During in vacuum tube 730 produce air pressure, air pressure promote air bleeding valve 750 move, now air bleeding valve 750
Periphery is sealed by the medial wall of vacuum tube 730, and gas can only be by steam vent 751 and then by air inlet duct 752
Discharged by passage 710c again, owing to the diameter of steam vent 751 is less than the diameter of air inlet 710a, piston
720 are being obstructed during promoting, and start to slow down speed, reach time-lag action, when piston 720 is pushed over
During the 710b of gas outlet, gases at high pressure are discharged from gas outlet 710b and are arrived the second cylinder 400, thus the second cylinder
400 drive location-plate 120 to move upward, and control only with an air pressure time-delay valve 700, it is to avoid air pressure valve mistake
Many, and this air pressure time-delay valve 700 is in strict accordance with first driving the first cylinder 300 to be pressed downward against, then drive second
The mode that cylinder 400 upwards pushes up, is prevented effectively from potential safety hazard.
When disconnecting gases at high pressure, the second spring 740 promotes piston 720 to produce negative pressure in making vacuum tube 730,
At this moment drive air through sphere filter 770, the passage 710c of main body adapting pipe 710, regulate valve 761
Air channel 7611, admits air in vacuum tube 730, and piston 720 resets.
Seeing also Figure 16, air pressure testing agency 800 is used for by detected air pressure to detect that workpiece 20 is
No clamping puts in place and whether the locating surface 121 of location-plate 120 cleans.Offer on location-plate 120 and run through fixed
The location pore 123 of plane 121.Air pressure testing agency 800 include pressure solenoid valve 810, tee T 820,
Sealing ring 830 and air pressure regulator 840.
Tee T 820 includes the first opening, the second opening and the 3rd opening being interconnected.Pressure solenoid valve
810 and first opening in communication, the second opening is connected with the air inlet pipe 500 of fixture 10, the 3rd opening with
Location pore 123 is connected.Sealing ring 830 is arranged at the pore 123 of location, and is positioned at location-plate 120
Locating surface 121.Gas acts on the pore 123 of location after the 3rd opening enters tee T 820, and first
The pressure solenoid valve 810 that opening connects is for detecting the air pressure in tee T 820 to determine whether that clamping puts in place.
Air pressure regulator 840 is arranged between the air inlet pipe 500 of the second opening and fixture 10, and connects second
Opening and the air inlet pipe 500 of fixture 10.Air pressure regulator 840 is primarily to guarantee air pressure testing agency
Stability.Air pressure testing agency 800 also includes that warning mechanism, warning mechanism are electrically connected with pressure solenoid valve 810
Connecing, when pressure solenoid valve 810 detects that air pressure diminishes, warning mechanism sends alarm.
After workpiece 20 is placed in the locating surface 121 of location-plate 120, the gases at high pressure of air inlet pipe 500 are by the
Two openings, the 3rd opening are passed in the pore 123 of location, if workpiece 20 clamping puts in place and location-plate 120
Locating surface 121 clean, the sealing property of the surface of workpiece 20 and sealing ring 830 is preferable, now positions gas
Hole 123 will not leak gas, and pressure solenoid valve 810 detects preset air pressure value, and Intelligent numerical control machine tool normally starts；
If location-plate 120 is unkitted, to clip to the locating surface 121 of position and/or location-plate 120 unclean, then location-plate 120
On location pore 123 leak gas, the atmospheric pressure value that pressure solenoid valve 810 detects can diminish, now intelligence number
Control lathe can not start.Owing to, in present embodiment, only arranging an air pressure time-delay valve 700, therefore air pressure detection
As long as mechanism 800 is also correspondingly arranged one and can detect whole fixture 10.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for this area
For those of ordinary skill, without departing from the inventive concept of the premise, it is also possible to make some deformation and change
Entering, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power
Profit requires to be as the criterion.
Claims (10)
1. an air pressure testing agency, for by detected air pressure, to detect workpiece, whether clamping puts in place and fixed
Whether the locating surface of position plate cleans, and described location-plate offers the location pore running through locating surface, its feature
Being, described air pressure testing agency includes that pressure solenoid valve, tee T and sealing ring, described tee T include
The first opening, the second opening and the 3rd opening being interconnected, described pressure solenoid valve and described first opening
Being connected, described second opening and an air inlet pipe are connected, and described 3rd opening is connected with described location pore
Logical, described sealing ring is arranged at the pore of described location, and is positioned at the locating surface of described location-plate, gas warp
Described 3rd opening acts on the pore of described location after entering tee T, and it is described that described first opening connects
Pressure solenoid valve is for detecting the air pressure in described tee T to determine whether that clamping puts in place.
Air pressure testing agency the most according to claim 1, it is characterised in that also include air pressure regulator,
Described air pressure regulator is arranged between described second opening and the air inlet pipe of described fixture, and connects described
Two openings and the air inlet pipe of described fixture.
Air pressure testing agency the most according to claim 1, it is characterised in that also include warning mechanism,
Described warning mechanism electrically connects with described pressure solenoid valve.
4. a fixture, it is characterised in that including:
Base, including base plate, location-plate and pressing plate, described location-plate includes locating surface, and described locating surface is used
In placing workpiece, described location-plate is arranged between described base plate and described pressing plate；
First cylinder, the end of its piston rod is provided with jaw, and described first cylinder is used for driving described jaw
Move described pressing plate is applied pressure；
Second cylinder, for driving described base plate to move along the direction near described location-plate；
Air inlet pipe, escape pipe and the air pressure testing agency as described in any one in claims 1 to 3, institute
State the air inlet of the air inlet of the first cylinder, described 3rd opening and described second cylinder all with described air inlet pipe
Being connected and parallel with one another, the gas outlet of described second cylinder and the gas outlet of described second cylinder are all with described
Escape pipe is connected and parallel with one another.
Fixture the most according to claim 4, it is characterised in that described jaw is rotatablely arranged at institute
State the end of piston rod.
Fixture the most according to claim 5, it is characterised in that one end of described jaw passes through first turn
Axle is arranged on described piston rod, and described first cylinder is provided with locating piece, and the middle part of described jaw is passed through
Connecting rod is rotatablely arranged on described locating piece, and the other end of described jaw is free end.
Fixture the most according to claim 4, it is characterised in that the quantity of described first cylinder is multiple,
Multiple described first cylinders are uniformly distributed in around described location-plate, and the air inlet of multiple first cylinders is mutual
In parallel and be all connected with described air inlet pipe, the gas outlet of multiple first cylinders parallel with one another and all with described go out
Trachea is connected.
Fixture the most according to claim 4, it is characterised in that the opposite sides face of described pressing plate is arranged
There is handle.
Fixture the most according to claim 4, it is characterised in that set between described pressing plate and described base plate
It is equipped with on location bar, and described pressing plate and offers the first perforate, described base plate offers the second perforate, institute
The two ends stating location bar are embedded in described first perforate and described second perforate respectively.
Fixture the most according to claim 4, it is characterised in that also include air pressure time-delay valve, described
Air pressure time-delay valve is arranged between described air inlet pipe and described escape pipe and described second cylinder.
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| CN201610404351.8A CN105922037B (en) | 2016-06-08 | 2016-06-08 | Fixture |
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| CN201610404351.8A CN105922037B (en) | 2016-06-08 | 2016-06-08 | Fixture |
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| CN105922037A true CN105922037A (en) | 2016-09-07 |
| CN105922037B CN105922037B (en) | 2017-11-21 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106312642A (en) * | 2016-10-20 | 2017-01-11 | 东莞市众茂五金有限公司 | Air pressure detection type clamp |
| CN108555790A (en) * | 2018-01-18 | 2018-09-21 | 昀智科技（北京）有限责任公司 | A kind of air-actuated jaw and its application method |
| CN108838924A (en) * | 2018-07-11 | 2018-11-20 | 江苏新惕姆智能装备有限公司 | Filter assembles clamp system and clamping means |
| CN109093413A (en) * | 2018-09-28 | 2018-12-28 | 宁波丰州机械有限公司 | Lever cylinder and Clamping System |
| CN109143396A (en) * | 2018-09-21 | 2019-01-04 | 东莞市智升智能机械科技有限公司 | The method that fixture release and clamped condition are detected using gas hole |
| CN109202110A (en) * | 2018-11-20 | 2019-01-15 | 上海麦迅机床工具技术有限公司 | the positioning chuck of automatic processing system |
| CN112388515A (en) * | 2020-11-03 | 2021-02-23 | 重庆浪尖智能科技研究院有限公司 | Method for detecting in-place cylinder in high-temperature water environment |
| CN112809444A (en) * | 2020-12-23 | 2021-05-18 | 上海交大智邦科技有限公司 | End face cleaning detection device and method for quick-insertion oil way of machine tool workbench |
| CN113178031A (en) * | 2021-04-15 | 2021-07-27 | 兰州德拜智能科技有限公司 | Intelligent building controlgear based on face identification |
| CN114370980A (en) * | 2021-12-21 | 2022-04-19 | 江门逸和机电有限公司 | Clamp airtightness detection device and machine tool with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109093413A (en) * | 2018-09-28 | 2018-12-28 | 宁波丰州机械有限公司 | Lever cylinder and Clamping System |
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| CN112388515A (en) * | 2020-11-03 | 2021-02-23 | 重庆浪尖智能科技研究院有限公司 | Method for detecting in-place cylinder in high-temperature water environment |
| CN112809444B (en) * | 2020-12-23 | 2022-03-04 | 上海交大智邦科技有限公司 | End face cleaning detection device and method for quick-insertion oil way of machine tool workbench |
| CN112809444A (en) * | 2020-12-23 | 2021-05-18 | 上海交大智邦科技有限公司 | End face cleaning detection device and method for quick-insertion oil way of machine tool workbench |
| CN113178031A (en) * | 2021-04-15 | 2021-07-27 | 兰州德拜智能科技有限公司 | Intelligent building controlgear based on face identification |
| CN114370980A (en) * | 2021-12-21 | 2022-04-19 | 江门逸和机电有限公司 | Clamp airtightness detection device and machine tool with same |
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|---|---|
| CN105922037B (en) | 2017-11-21 |
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Effective date of registration: 20180116 Address after: No. 639, Xi Niu Bei Village, Xi Niu Bei Village, Dalang Town, Dongguan, Guangdong Province Patentee after: Dongguan Changying Precision Technology Co. Ltd. Address before: Industrial Songshan Lake high tech Industrial Development Zone, West three road 523808 Guangdong city of Dongguan province No. 6 Patentee before: Guangdong Changying Precision Technology Co., Ltd. |
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Effective date of registration: 20190730 Address after: 523799 639 Meijing West Road, Rhinopi Industrial Zone, Dalang Town, Dongguan City, Guangdong Province Co-patentee after: Guangdong Changying Precision Technology Co., Ltd. Patentee after: Dongguan Changying Precision Technology Co. Ltd. Address before: 523770 639 Meijing West Road, Rhinoceros Picun, Dalang Town, Dongguan City, Guangdong Province Patentee before: Dongguan Changying Precision Technology Co. Ltd. |
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