CN213616333U

CN213616333U - Intelligent control clamp device and control system for automatic production line

Info

Publication number: CN213616333U
Application number: CN202022701891.7U
Authority: CN
Inventors: 邓燕军
Original assignee: Shenzhen Ovid Machinery Electron Co ltd
Current assignee: Shenzhen Ovid Machinery Electron Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-06
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses an intelligent control fixture device and a control system for an automatic production line, wherein the control system comprises a numerical control device, a gas circuit control device and an intelligent control fixture device, the control fixture is arranged on a workbench inside a casing of the numerical control device, and the gas circuit control device is arranged on the outer side of the casing; the gas path control device is connected with the intelligent control clamp and the numerical control equipment; the numerical control equipment controls the air path control device to output corresponding working air pressure according to a preset working mode, the working air pressure is transmitted to a corresponding channel in the intelligent control clamp, the intelligent control clamp executes control detection set by the working mode according to the working air pressure in the corresponding channel, and the air path control device feeds back a detection result to the numerical control equipment. The intelligent control clamp can be linked with the gas circuit control device and the numerical control equipment and can be used for detection; the problem of current fixture device can not carry out linkage and inspection with other equipment is solved.

Description

Intelligent control clamp device and control system for automatic production line

Technical Field

The utility model relates to the technical field of machinery, in particular to an intelligent control fixture device and control system for automation line.

Background

With the development of industrial automation production, a tool clamp is a very critical ring for ensuring quality and efficiency. However, since the number of parts to be produced varies, none of the tools is suitable for all the parts, and each tool supplier needs to design a tool corresponding to a company product. However, the existing clamping device only has the functions of positioning and clamping products, cannot be linked with other equipment and checked, and cannot meet the requirements of automatic production.

Thus, the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art's weak point, an object of the utility model is to provide an intelligent control fixture device and control system for automation line to solve the problem that current fixture device can not link and detect with other equipment.

In order to achieve the purpose, the utility model adopts the following technical proposal:

an intelligent control clamp device for an automatic production line comprises a clamp base, a zero point positioning device, a blind rivet and a supporting plate; the fixture base is fixed on a workbench of the numerical control equipment, the zero-point positioning is correspondingly installed in an installation groove of the fixture base, the blind rivet is fixed on the bottom surface of the supporting plate, the position of the blind rivet is opposite to a centering hole of the zero-point positioning, the blind rivet is correspondingly inserted into the centering hole, the zero-point positioning is clamped between the fixture base and the supporting plate, a plurality of passages formed by a plurality of air pipes are arranged in the fixture base, one end of each passage is connected with the zero-point positioning, and the other end of each passage is connected with the air circuit control device through an external air pipe.

In the intelligent control clamp device for the automatic production line, the passage comprises a piston clamping detection passage, a central blowing cleaning passage, an opening clamp passage, an air tightness detection passage, a clamping pressurization passage and a piston loosening detection passage;

one side of the clamp base is correspondingly provided with 6 transmission ports, the input end of each passage is connected with the corresponding transmission port, the output end of each passage is connected with the corresponding port positioned at the zero point, and the gas circuit control device is connected with the 6 transmission ports through a gas pipe.

The intelligent control clamp device for the automatic production line is characterized in that a positioning key is arranged on the back face of the clamp base, and the positioning key of the clamp base is clamped into a positioning grid on the workbench to be positioned.

The intelligent control clamp device for the automatic production line is characterized in that a mounting hole penetrating through the clamp base is further formed in the back face of the clamp base, the mounting hole is aligned with a screw hole in the workbench, and the mounting hole and the screw hole are screwed in through a screw.

The intelligent control clamp device for the automatic production line is characterized in that a first screw hole is formed in the surface of the zero point positioning, a second screw hole matched with the first screw hole is formed around the mounting groove, the bottom of the zero point positioning is placed in the mounting groove, and the first screw hole and the second screw hole are aligned and then screwed and fixed through screwing screws.

The intelligent control clamp device for the automatic production line is characterized in that a movable sheet is arranged on one side of each first screw hole, one end of each movable sheet is fixed on the clamp base through a fulcrum, and the other end of each movable sheet rotates around the fulcrum to cover the first screw hole.

The intelligent control clamp device for the automatic production line is characterized in that a central through hole is formed in the center of the mounting groove and communicated with a central air blowing cleaning passage in the clamp base.

The intelligent control clamp device for the automatic production line comprises a gas circuit control bottom plate, wherein a first pressure detection switch, a second pressure detection switch, a third pressure detection switch, a first two-position two-way electromagnetic valve, a second two-position two-way electromagnetic valve, a third two-position two-way electromagnetic valve, a fourth two-position two-way electromagnetic valve, a three-position five-way electromagnetic valve, a first pressure reducing valve, a second pressure reducing valve, a third pressure reducing valve, a first flow valve, a second flow valve and a third flow valve are mounted on the gas circuit control bottom plate;

the air inlet of the three-position five-way electromagnetic valve is connected with an air source, a first air outlet of the three-position five-way electromagnetic valve is connected with a clamping pressurization port positioned at a zero point through a clamping pressurization passage, a second air outlet of the three-position five-way electromagnetic valve is connected with an opening clamp port positioned at the zero point through an opening clamp passage, and the control end of the three-position five-way electromagnetic valve is connected with a numerical control device;

the air inlet of the first two-position two-way electromagnetic valve is connected with an air source, the air outlet of the first two-position two-way electromagnetic valve is connected with a center through hole positioned at a zero point through a center air blowing cleaning passage, and the control end of the first two-position two-way electromagnetic valve is connected with a numerical control device;

the air inlet of the second two-position two-way electromagnetic valve is connected with an air source, and the air outlet of the second two-position two-way electromagnetic valve is connected with a zero-point positioned clamping detection port through a first flow valve, a first pressure reducing valve, a first pressure detection switch and a piston clamping detection passage in sequence; the communication end of the second two-position two-way electromagnetic valve, the communication end of the first flow valve, the communication end of the first pressure reducing valve and the communication end of the first pressure detection switch are connected with the numerical control equipment;

the air inlet of the third two-position two-way electromagnetic valve is connected with an air source, and the air outlet of the third two-position two-way electromagnetic valve is connected with a loosening detection port positioned at the zero point through a second flow valve, a second pressure reducing valve, a second pressure detection switch and a piston loosening detection passage in sequence; the communication end of the third two-position two-way electromagnetic valve, the communication end of the second flow valve, the communication end of the second pressure reducing valve and the communication end of the second pressure detection switch are connected with the numerical control equipment;

the air inlet of the fourth two-position two-way electromagnetic valve is connected with an air source, and the air outlet of the fourth two-position two-way electromagnetic valve is connected with an air tightness detection port positioned at the zero point through a third flow valve, a third pressure reducing valve, a third pressure detection switch and an air tightness detection passage in sequence; and the communication end of the fourth two-position two-way electromagnetic valve, the communication end of the third flow valve, the communication end of the third pressure reducing valve and the communication end of the third pressure detection switch are all connected with the numerical control equipment.

A control system for an automatic production line comprises a numerical control device, a gas circuit control device and an intelligent control clamp device for the automatic production line, wherein the control clamp is arranged on a workbench inside a shell of the numerical control device, and the gas circuit control device is arranged on the outer side of the shell; the gas path control device is connected with the intelligent control clamp and the numerical control equipment;

the numerical control equipment controls the air path control device to output corresponding working air pressure according to a preset working mode, the working air pressure is transmitted to a corresponding channel in the intelligent control clamp, the intelligent control clamp executes control detection set by the working mode according to the working air pressure in the corresponding channel, and the air path control device feeds back a detection result to the numerical control equipment.

The control system for the automatic production line comprises a central blowing cleaning mode, a clamp opening mode, a clamping pressurization mode, a piston clamping detection mode, an air tightness detection mode and a piston loosening detection mode.

Compared with the prior art, the utility model provides an intelligent control fixture device and control system for automation line, control system includes numerical control equipment, gas circuit control device and intelligent control fixture device, control fixture installs on the workstation of numerical control equipment's casing inside, gas circuit control device installs on the outside of casing; the gas path control device is connected with the intelligent control clamp and the numerical control equipment; the numerical control equipment controls the air path control device to output corresponding working air pressure according to a preset working mode, the working air pressure is transmitted to a corresponding channel in the intelligent control clamp, the intelligent control clamp executes control detection set by the working mode according to the working air pressure in the corresponding channel, and the air path control device feeds back a detection result to the numerical control equipment. The intelligent control clamp can be linked with the gas circuit control device and the numerical control equipment and can be used for detection; the problem of current fixture device can not carry out linkage and inspection with other equipment is solved.

Drawings

Fig. 1 is a schematic diagram of a control system provided by the present invention.

Fig. 2 is the utility model provides an intelligent control fixture device's schematic structure diagram.

Fig. 3 is the schematic diagram of the bottom surface of the clamp base in the intelligent control clamp device.

Fig. 4 is the utility model provides a positive schematic diagram of anchor clamps base among the intelligent control anchor clamps device.

Fig. 5 is a schematic diagram of 6 passages in the base of the clamp according to the present invention.

Fig. 6 is a schematic view of the connection between the gas circuit control device and the zero point positioning provided by the present invention.

Detailed Description

The utility model provides an intelligent control anchor clamps device and control system for automation line. In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 4, a control system for an automatic production line according to the present embodiment includes an intelligent control fixture 710, a numerical control device 720, and an air circuit control device 730; the control clamp 710 is installed on a workbench 740 inside a casing of the numerical control device 720, and the gas path control device 730 is installed (screwed and fixed) on the outer side of the casing; the air path control device 730 is connected with the intelligent control clamp 710 and the numerical control equipment 720. The numerical control device 720 (an internal controller, such as a PLC (programmable logic controller)) controls the air channel control device 730 to output corresponding working air pressure according to a preset working mode, the working air pressure is transmitted to a corresponding channel air channel inside the intelligent control clamp 710, the intelligent control clamp 710 executes control detection set by the working mode according to the working air pressure in the corresponding channel, one channel executes control detection, and the air channel control device 730 feeds back a detection result to the numerical control device 720. Therefore, the intelligent control clamp 710 can be linked and detected with the gas path control device 730 and the numerical control equipment 720; the problem of current fixture device only have the function of location and the tight product of clamp, can not carry out linkage and inspection with other equipment is solved.

Wherein the operation modes include 1 function mode (center blowing cleaning mode), 2 control modes (open clamp mode and clamping pressurization mode), and 3 detection modes (piston clamping detection mode, air tightness detection mode and piston loosening detection mode). The size, duration, interruption time and the like of the working air pressure output in different modes are correspondingly set according to functional requirements. And a piston clamping detection air path, a center blowing cleaning air path, an opening clamp air path, an air tightness detection air path, a clamping pressurization air path and a piston loosening detection air path are formed among the numerical control equipment, the air path control device and the intelligent control clamp device.

When the working air pressure for piston clamping detection enters the piston clamping detection air passage, the intelligent control clamp 710 clamps the product according to the working air pressure, and the clamping force and the clamping time are set by the piston clamping detection mode. The air path control device 730 is externally connected with an air source, and after the air source is input, working air pressure with corresponding size is generated and the duration time of the working air pressure is controlled through the control of the air path control device 730. And the rest can be analogized to obtain the working principle of other working air pressures.

Because numerical control equipment 720 is connected (line connection) with gas circuit controlling means 730 electricity, intelligent control anchor clamps 710 and gas circuit controlling means 730 gas circuit connection, and gas circuit controlling means 730 installs in numerical control equipment 720's the outside, then can set up corresponding circuit hole and gas circuit hole on numerical control equipment 720's casing to the discrepancy of circuit and gas circuit is convenient.

It should be understood that fig. 1 is a schematic diagram of the installation positions of the intelligent control clamp 710, the numerical control device 720 and the air passage control device 730, the structures of the three are simplified, and the actual structures of the numerical control device 720 and the air passage control device 730 are not limited; the structure of the intelligent control clamp 710 is shown in fig. 2 and 3, and the length, width, shape, size and the like can be changed according to requirements in specific implementation.

Referring to fig. 2 and 3 together, the intelligent control fixture 710 includes 1

fixture base

1, 2 zero-

point locations

2, 2

blind rivets

3, and 1 pallet 4; the fixture base 1 is fixed on a workbench of the numerical control equipment, 2 zero-point positioning 2 are correspondingly installed in 2 installation grooves 6 of the

fixture base

1, 2 blind rivets 3 are fixed on the bottom surface of a supporting plate 4, the positions of the 2 blind rivets 3 are opposite to the centering holes 7 of the 2 zero-point positioning 2, the 2 blind rivets 3 are correspondingly inserted into the 2 centering holes 7 (as shown in the zero-point positioning 2 on the left side of the figure 2), then the zero-point positioning 2 is clamped between the fixture base 1 and the supporting

plate

4, 6 passages formed by a plurality of air pipes are arranged in the fixture base 1, one end of each passage is connected with the zero-point positioning 2, and the other end of each passage is connected with the air path control device 730 through an external air pipe. The product is placed on the surface of the pallet 4.

Wherein, the number of zero point location 2 is the same with the number of blind rivet 3, the number of mounting groove 6, all sets up to 2 here, can increase and decrease the number according to the demand when concrete implementation (if reduce cost sets up to 1, ensures to stabilize and sets up to 3).

Referring to fig. 4, 5 and 6, the number of the channels is related to the operation mode, and several channels can be set in several operation modes. As shown in fig. 5, the passages in the intelligent control clamp 710 are correspondingly set as a piston clamping detection passage 100 (a red air pipe can be used), a central blowing cleaning passage 200 (a grey air pipe can be used), an opening clamp passage 300 (a green air pipe can be used), an air tightness detection passage 400 (a red air pipe can be used), a clamping pressurization passage 500 (a yellow air pipe can be used), and a piston loosening detection passage 600 (an orange air pipe can be used), and different passages are distinguished by air pipes with different colors. One side of the clamp base 1 is correspondingly provided with 6 transmission ports, the input end of each passage is connected with the corresponding transmission port, the output end of each passage is connected with the corresponding port of the zero point positioning 2, the air path control device is connected with the 6 transmission ports through an air pipe, so that working air pressure can be input into the passage, and the zero point positioning is controlled through the air path control device to realize the functions of opening, clamping, blowing, 3 kinds of detection and the like. To facilitate connection, via labels 800 may be silk-screened or applied to the surface of the fixture base 1 (above the 6 transmission ports).

According to the finish machining cutting force and the product structure, the clamp base 1 is preferably made of AL6061-T6 (a heat treatment type corrosion-resistant alloy), so that the clamp is convenient to manufacture and the cost is reduced. The back of anchor clamps base 1 is equipped with 2 navigation key 5, and when anchor clamps base 1 was fixed with the workstation, anchor clamps base 1's navigation key 5 card was gone into the location check (or the constant head tank) on the workstation and is fixed a position.

The back of the clamp base 1 is also provided with 3 mounting holes 8 penetrating through the clamp base 1, the mounting holes are aligned with screw holes in the workbench, and screws are screwed into the mounting holes and the screw holes to realize screw connection and fixation. It should be understood that the numerical control device 720 in this embodiment is a cnc (computer numerical control) device, and the mounting hole distance in fig. 3 can be adjusted to accommodate various numerical control devices, and this embodiment takes the numerical control device 720 of FANUC α -D21MiB as an example.

Zero point location 2 adopts the quick change frock clamp zero point location system of gram SCHUNK series, and the model is preferably NSE PLUS 138, and it is prior art, and this embodiment increases the detection function on the basis of using its existing function. The surface of the zero point positioning 2 is provided with a first screw hole 9, a second screw hole matched with the first screw hole is formed in the surface of the fixture base 1 and around the installation groove 6, the first screw hole 9 and the second screw hole are aligned and then screwed into screws, the zero point positioning 2 can be fixed on the fixture base 1 in a threaded mode, and the bottom of the zero point positioning 2 is placed in the installation groove 6.

The center of the mounting groove 6 is provided with a central through hole 10, the central through hole 10 is communicated with a central air blowing cleaning passage in the clamp base, and working air pressure enters the clamp base through a corresponding air passage and is output to the zero point positioning 2 from the central through hole 10. In a special condition (such as power failure) of the zero-point positioning 2, when no air pressure is input, 2 piston rods in the zero-point positioning 2 are in an inward clamping state by default, and meanwhile, the blind rivet 3 is locked by the pressure of an internal spring (so as to ensure that the clamp can still be stable and reliable under the condition of sudden loss of working air pressure). When the working air pressure is opened (0.5 MPa), 2 piston rods are released outwards, and meanwhile, the air pressure overcomes the force of the spring to release the rivet, so that the rivet can be freely taken out.

In order to avoid the impurity pollution to the zero point positioning 2, a movable piece 11 can be arranged on one side of each first screw hole 9, one end of each movable piece 11 is fixed on the clamp base 1 through a fulcrum, and the other end of each movable piece can rotate around the fulcrum to cover the first screw hole 9.

The air path control device 730 comprises 1 air path control bottom plate 23, wherein 3 pressure detection switches (a first pressure detection switch 12, a second pressure detection switch 13 and a third pressure detection switch 14 respectively) are installed on the air path control bottom plate 23, ISE30A series (such as ISE 30A-01-P-LB) with models preferably being SMC (pneumatic and automatic component research and development manufacturers), 4 two-position two-way electromagnetic valves (a first two-position two-way electromagnetic valve 15, a second two-position two-way electromagnetic valve 16, a third two-position two-way electromagnetic valve 17 and a fourth two-position two-way electromagnetic valve 18 respectively), VT307-5DZ1-01 with models preferably being SMC, 1 three-position five-way electromagnetic valve 19 (SY 5320-5LZD-01 with models preferably being SMC), 3 pressure reducing valves (a first pressure reducing valve 20, a second pressure reducing valve 21 and a third pressure reducing valve 22 respectively), and AR20-02G-A with models preferably being SMC and 3 flow valves (first flow valves respectively A flow valve 24, a second flow valve 25, a third flow valve 26; AS 1002F-06), all models preferably being SMC).

As shown in fig. 5, the three-position five-way solenoid valve 19 is connected to a corresponding port of the zero point positioning 2, and forms an opening clamp gas path and a clamping pressurization gas path; the method specifically comprises the following steps: an air inlet (a 1 st pin in fig. 5) of the three-position five-way electromagnetic valve 19 is connected with an air source (providing working air pressure), a first air outlet (a 2 nd pin) of the three-position five-way electromagnetic valve 19 is connected with a transmission port of a clamping pressurization passage through an air pipe, an output end of the clamping pressurization passage is connected with a clamping pressurization port A of a zero-point positioning 2, a second air outlet (a 4 th pin) of the three-position five-way electromagnetic valve 19 is connected with a transmission port of an opening clamp passage through an air pipe, an output end of the opening clamp passage is connected with an opening clamp port B of the zero-point positioning 2, and a control end of the three-position five-way electromagnetic valve 19 is connected with a controller (.

When the clamp opening mode is started, the numerical control device 720 outputs an opening signal to control the air inlet of the three-position five-way electromagnetic valve 19 to be connected with the second air outlet, the working air pressure (0.6 MPa) for opening the clamp is transmitted to the clamp opening port B through the three-position five-way electromagnetic valve 19, the zero point positioning 2 is controlled to release the blind rivet 3, and therefore the clamp is opened. When the clamping pressurization mode is started, the numerical control device 720 outputs a clamping signal to control the air inlet of the three-position five-way electromagnetic valve 19 to be connected with the first air outlet, the working air pressure for clamping pressurization is transmitted to the clamping pressurization port A through the three-position five-way electromagnetic valve 19, and the zero point positioning 2 is controlled to clamp the blind rivet 3, so that the clamp is clamped.

The first two-position two-way electromagnetic valve 15 is connected with a corresponding port of the zero point positioning 2 to form a central air blowing cleaning air path; the method specifically comprises the following steps: an air inlet (a 1 st pin) of the first two-position two-way electromagnetic valve 15 is connected with an air source (providing working air pressure), an air outlet (a 2 nd pin) of the first two-position two-way electromagnetic valve 15 is connected with a transmission port of a central air blowing cleaning passage through an air pipe, an output end of the central air blowing cleaning passage is connected with a central through hole 10 of a zero-point positioning 2, and a control end of the first two-position two-way electromagnetic valve 15 is connected with a controller in the numerical control device 720. The air outlet of the first two-position two-way electromagnetic valve 15 is normally connected with the suspended No. 3 pin, and the air inlet is communicated with the air outlet after being electrified.

When the central air blowing cleaning mode is started, the numerical control equipment 720 outputs an air blowing signal to control the first two-position two-way electromagnetic valve 15 to be electrified, so that the air inlet of the first two-position two-way electromagnetic valve 15 is connected with the air outlet, the working air pressure for air blowing cleaning is transmitted to the central through hole 10 through the first two-position two-way electromagnetic valve 15, and the zero point positioning 2 is controlled to blow air to clean the pull nails 3.

The second two-position two-way electromagnetic valve 16, the first flow valve 24, the first pressure reducing valve 20 and the first pressure detection switch 12 are connected with corresponding ports of the zero positioning 2 to form a piston clamping detection air path; the method specifically comprises the following steps: an air inlet (a 1 st pin) of the second two-position two-way electromagnetic valve 16 is connected with an air source (providing working air pressure), an air outlet (a 2 nd pin) of the second two-position two-way electromagnetic valve 16 is connected with an inlet of the first flow valve 24, an outlet of the first flow valve 24 is connected with an inlet of the first reducing valve 20, an outlet of the first reducing valve 20 is connected with an input end of the first pressure detection switch 12, an output end of the first pressure detection switch 12 is connected with a transmission port of the piston clamping detection passage through an air pipe, and an output end of the piston clamping detection passage is connected with a clamping detection port C of the zero positioning 2; the communication end of the second two-position two-way electromagnetic valve 16, the communication end of the first flow valve 24, the communication end of the first pressure reducing valve 20 and the communication end of the first pressure detection switch 12 are all connected with a controller in the numerical control device 720.

When the piston clamping detection mode is started, the numerical control device 720 outputs a clamping detection signal to control the second two-position two-way electromagnetic valve 16 to be electrified, so that the air inlet of the second two-position two-way electromagnetic valve is connected with the air outlet of the second two-position two-way electromagnetic valve, the working air pressure (0.2 MPa) for clamping is transmitted to the clamping detection port C through the second two-position two-way electromagnetic valve 16, the first flow valve 24, the first pressure reducing valve 20 and the first pressure detection switch 12 in sequence, and the zero-point positioning 2 clamps the blind rivet 3. The numerical control device 720 adjusts the flow rate by controlling the first flow valve 24, controls the first pressure reducing valve 20 to adjust the pressure, feeds the detected pressure value back to the numerical control device 720 through the first pressure detection switch 12, and the numerical control device 720 can judge whether the piston is clamped or not, and the clamping force is large or small, so that the piston clamping detection is realized.

The third two-position two-way electromagnetic valve 17, the second flow valve 25, the second pressure reducing valve 21 and the second pressure detection switch 13 are connected with corresponding ports of the zero positioning 2 to form a piston loosening detection air path; the method specifically comprises the following steps: an air inlet (a 1 st pin) of the third two-position two-way electromagnetic valve 17 is connected with an air source (providing working air pressure), an air outlet (a 2 nd pin) of the third two-position two-way electromagnetic valve 17 is connected with an inlet of a second flow valve 25, an outlet of the second flow valve 25 is connected with an inlet of a second reducing valve 21, an outlet of the second reducing valve 21 is connected with an input end of a second pressure detection switch 13, an output end of the second pressure detection switch 13 is connected with a transmission port of a piston loosening detection passage through an air pipe, and an output end of the piston loosening detection passage is connected with a loosening detection port D of a zero-point positioning 2; the communication end of the third two-position two-way electromagnetic valve 17, the communication end of the second flow valve 25, the communication end of the second reducing valve 21 and the communication end of the second pressure detection switch 13 are all connected with a controller in the numerical control device 720.

When the piston loosening detection mode is entered, the numerical control device 720 outputs a loosening detection signal to control the third two-position two-way electromagnetic valve 17 to be electrified, so that the air inlet of the third two-position two-way electromagnetic valve 17 is connected with the air outlet of the third two-position two-way electromagnetic valve, the working air pressure for loosening is transmitted to a loosening detection port D through the third two-position two-way electromagnetic valve 17, the second flow valve 25, the second reducing valve 21 and the second pressure detection switch 13 in sequence, when the working air pressure (0.2 MPa) is input, 2 piston rods in the zero-point positioning 2 are loosened outwards, and meanwhile, the air pressure overcomes the force of. The numerical control device 720 regulates the flow rate by controlling the second flow valve 25, regulates the pressure by controlling the second pressure reducing valve 21, and debugs various parameters in advance before work. The second pressure detection switch 13 feeds the detected pressure value back to the numerical control device 720, and the numerical control device 720 can judge whether the piston is loosened, so that piston loosening detection is realized.

The fourth two-position two-way electromagnetic valve 18, the third flow valve 26, the third pressure reducing valve 22 and the third pressure detection switch 14 are connected with corresponding ports of the zero positioning 2 to form an air tightness detection air path; the method specifically comprises the following steps: an air inlet (a 1 st pin) of the fourth two-position two-way electromagnetic valve 18 is connected with an air source (providing working air pressure), an air outlet (a 2 nd pin) of the fourth two-position two-way electromagnetic valve 18 is connected with an inlet of a third flow valve 26, an outlet of the third flow valve 26 is connected with an inlet of a third reducing valve 22, an outlet of the third reducing valve 22 is connected with an input end of a third pressure detection switch 14, an output end of the third pressure detection switch 14 is connected with a transmission port of an airtight detection passage through an air pipe, and an output end of the airtight detection passage is connected with 4 airtight detection ports E of a zero-point positioning 2; the communication end of the fourth two-position two-way solenoid valve 18, the communication end of the third flow valve 26, the communication end of the third pressure reducing valve 22 and the communication end of the third pressure detection switch 14 are all connected with a controller in the numerical control device 720.

When the air tightness detection mode is started, the numerical control device 720 outputs an air tightness detection signal to control the fourth two-position two-way electromagnetic valve 18 to be electrified, so that the air inlet of the fourth two-position two-way electromagnetic valve 18 is connected with the air outlet of the fourth two-position two-way electromagnetic valve, the working air pressure for air tightness detection is transmitted to the 4 air tightness detection ports E through the fourth two-position two-way electromagnetic valve 18, the third flow valve 26, the third reducing valve 22 and the third pressure detection switch 14 in sequence, and the working air pressure (0.2 MPa) is input into; when the sealing performance is good, the pressure value on the air tightness detection air circuit 400 detected by the third pressure detection switch 14 is larger than a set value (such as 0.4 MPa), if air leakage exists, the pressure value is lower than the set value, too low pressure alarm occurs, the third pressure detection switch 14 feeds the detected pressure value back to the numerical control equipment 720, and the numerical control equipment 720 can judge whether air leakage exists or not, so that air tightness detection is realized, and the work is stopped when air leakage exists.

The controller (PLC, which stores the working process or the detection process) in the numerical control device 720 is used for controlling the on-off of the 4 two-position two-way electromagnetic valves, so that the corresponding gas circuit can be opened and closed; feeding back corresponding detection results to the numerical control equipment through 3 pressure detection switches, so that 1 functional mode (a central blowing cleaning mode), 2 control modes (a clamp opening mode and a clamping pressurization mode) and 3 detection modes (a piston clamping detection mode, an air tightness detection mode and a piston loosening detection mode) can be realized; therefore, the intelligent control clamp device and the numerical control equipment are linked and detected together, the automatic control of the tool clamp on an automatic production line is met, the part machining precision and the production efficiency are ensured, and the actual production requirement is met.

Preferably, a filter 27 (model preferably: AW30-03G-A of SMC) is added at the input end of the air source, and the air impurity in the air source is filtered by the filter 27, so that the air impurity pollution is prevented from influencing the zero point positioning 2.

In this embodiment, the installation process of the intelligent control clamp 710 is as follows:

1. the positioning key 5 of the clamp base 1 is clamped into a positioning grid on the workbench to be positioned, and a screw is screwed into the mounting hole 8 to be fixed in a threaded manner, so that plane calibration is performed.

2. The zero point positioning 2 is arranged in the mounting groove 6 of the clamp base 1, the first screw hole 9 in the zero point positioning 2 is aligned with the second screw hole in the clamp base 1 and then screwed in the screw, the zero point positioning 2 can be fixed on the clamp base 1 in a threaded mode, the movable piece 11 is rotated to cover the first screw hole 9, and the flatness is confirmed after the mounting.

3. Fix 2 blind rivets 3 in the bottom surface of layer board 4, when layer board 4 covered anchor clamps

base

1, 2 blind rivets 3 inserted in the centering hole 7 that corresponds.

The installation process of the gas circuit control device is as follows:

1. firstly, fixing each pneumatic element (namely 1 filter, 3 pressure detection switches, 4 two-position two-way electromagnetic valves, 1 three-position five-way electromagnetic valve, 3 pressure reducing valves and 3 flow valves) on the air path control bottom plate 23, and then fixing the air path control bottom plate 23 to the side surface of the numerical control equipment.

2. According to the connection relationship shown in fig. 6, air pipes are used for connecting the pneumatic elements, the corresponding pneumatic elements and the zero point positioning, and the joints are ensured to be sealed; the pneumatic elements are electrically connected to the controller of the numerical control device 720 with data lines.

3. The output ends of 6 air channels of the air channel control plate are connected to corresponding ports on the side face of the clamp base 1 through air pipes and are correspondingly connected with 6 air channels inside the clamp base 1, and therefore sealing of the joint is guaranteed.

After the installation is finished, before the use, debugging is needed, each pressure regulating valve is adjusted in place according to set data, the upper limit value and the lower limit value triggered by each pressure detection switch signal are set, and a zero-point positioning piston switch is turned on and off by executing a signal instruction output by a PLC (programmable logic controller); and judging whether the feedback pressure value is normal or not, and readjusting each parameter if the feedback pressure value is abnormal.

To sum up, the utility model provides a pair of an intelligent control fixture device and control system for automation line, except can fix a position and press from both sides tight product, can also link and inspect with numerical control equipment, satisfied the production demand, reduced workman manipulation strength simultaneously, ensured the safe and reliable in the automated production process.

The division of the functional modules is only used for illustration, and in practical applications, the functions may be distributed by different functional modules according to needs, that is, the functions may be divided into different functional modules to complete all or part of the functions described above.

It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.

Claims

1. An intelligent control clamp device for an automatic production line is characterized by comprising a clamp base, a zero point positioning device, a blind rivet and a supporting plate; the fixture base is fixed on a workbench of the numerical control equipment, the zero-point positioning is correspondingly installed in an installation groove of the fixture base, the blind rivet is fixed on the bottom surface of the supporting plate, the position of the blind rivet is opposite to a centering hole of the zero-point positioning, the blind rivet is correspondingly inserted into the centering hole, the zero-point positioning is clamped between the fixture base and the supporting plate, a plurality of passages formed by a plurality of air pipes are arranged in the fixture base, one end of each passage is connected with the zero-point positioning, and the other end of each passage is connected with the air circuit control device through an external air pipe.

2. The intelligent control fixture device for an automated production line of claim 1, wherein the passageway comprises a piston clamping detection passageway, a central blowing cleaning passageway, an opening fixture passageway, an air-tight detection passageway, a clamping pressurization passageway, and a piston loosening detection passageway;

3. The intelligent control fixture device for the automatic production line according to claim 1, wherein a positioning key is arranged on the back of the fixture base, and the positioning key of the fixture base is clamped into a positioning grid on the workbench for positioning.

4. The intelligent control clamp device for the automatic production line according to claim 1, wherein the back of the clamp base is further provided with a mounting hole penetrating through the clamp base, the mounting hole is aligned with a screw hole on the workbench, and the mounting hole and the screw hole are screwed by screwing a screw.

5. The apparatus of claim 1, wherein the zero point positioning member has a first screw hole on a surface thereof, and a second screw hole fitted to the first screw hole is formed around the mounting groove, and the bottom of the zero point positioning member is placed in the mounting groove, and the first screw hole and the second screw hole are aligned and screwed by a screw.

6. The intelligent control fixture device for automatic production line as claimed in claim 5, wherein one side of each first screw hole is provided with a movable plate, one end of the movable plate is fixed on the fixture base through a fulcrum, and the other end of the movable plate rotates around the fulcrum to cover the first screw hole.

7. The intelligent control fixture device for the automatic production line as claimed in claim 2, wherein the mounting groove is centrally provided with a central through hole, and the central through hole is communicated with a central blowing cleaning passage in the fixture base.

8. The intelligent control clamp device for the automatic production line according to claim 7, wherein the gas circuit control device comprises a gas circuit control bottom plate, and a first pressure detection switch, a second pressure detection switch, a third pressure detection switch, a first two-position two-way solenoid valve, a second two-position two-way solenoid valve, a third two-position two-way solenoid valve, a fourth two-position two-way solenoid valve, a three-position five-way solenoid valve, a first pressure reducing valve, a second pressure reducing valve, a third pressure reducing valve, a first flow valve, a second flow valve and a third flow valve are mounted on the gas circuit control bottom plate;

9. A control system for an automatic production line is characterized by comprising a numerical control device, a gas circuit control device and the intelligent control clamp device for the automatic production line according to any one of claims 1 to 8, wherein the control clamp is arranged on a workbench inside a machine shell of the numerical control device, and the gas circuit control device is arranged on the outer side of the machine shell; the gas path control device is connected with the intelligent control clamp and the numerical control equipment;

10. The control system for an automated production line according to claim 9, wherein said operation modes include a center blow cleaning mode, an open clamp mode, a clamp pressurization mode, a piston clamp detection mode, an air-tight detection mode, and a piston release detection mode.