CN219177465U - Pneumatic laser pipe cutting clamping disc air supply pressure control device - Google Patents
Pneumatic laser pipe cutting clamping disc air supply pressure control device Download PDFInfo
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- CN219177465U CN219177465U CN202223180769.5U CN202223180769U CN219177465U CN 219177465 U CN219177465 U CN 219177465U CN 202223180769 U CN202223180769 U CN 202223180769U CN 219177465 U CN219177465 U CN 219177465U
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model provides a pneumatic laser pipe cutting clamping disc air supply pressure control device, which comprises a control box formed by a box body and a box door, an air inlet tee joint and an air outlet tee joint which are used for air passage connection, a proportional pressure valve and a first pressure transmitter and a second pressure transmitter which are connected with the air inlet tee joint in a ventilation way, an electromagnetic valve which is connected with the proportional pressure valve in a ventilation way and used for controlling the on-off of air output, and a circuit assembly which comprises a PLC, a relay, a touch screen, a starting switch, a clamping button, an opening button and a power supply module, wherein the air inlet tee joint and the air outlet tee joint are connected through the air inlet tee joint; the first pressure transmitter, the second pressure transmitter, the proportional pressure valve, the relay, the touch screen, the starting switch, the clamping button and the opening button are all electrically connected with the PLC, and the electromagnetic valve is electrically connected with the relay. When the utility model is used, the air inlet pressure of the chuck air cylinder connected with the air inlet can be conveniently set, the air pressure of the chuck air cylinder can be accurately controlled in the working process, and the working efficiency and the service life of the chuck can be effectively improved.
Description
Technical Field
The utility model relates to the technical field of pneumatic laser cutting tube clamping disc power gas supply, in particular to a pneumatic laser cutting tube clamping disc gas supply pressure control device.
Background
When cutting a workpiece such as a pipe, a laser cutting machine is generally required to clamp and fix the workpiece by a chuck for laser cutting. At present, a common laser pipe cutting clamping disc generally uses an air cylinder as power (generally called as a pneumatic chuck), and two pairs of clamping jaws are finally driven to clamp and unclamp a pipe to be processed through the transmission of a transmission mechanism by the air cylinder. The cylinder is provided with a rod cavity and a rodless cavity, when the rod cavity/rodless cavity is in air intake, the clamping jaw of the chuck performs clamping action, when the rodless cavity/rod cavity is in air intake, the clamping jaw performs loosening action, and the magnitude of the air intake pressure of the cylinder directly determines the clamping force of the clamping jaw. The existing rod cavity and rodless cavity of the air chuck are connected with the air storage tank by adopting an air circuit comprising a pressure regulating valve, the air inlet pressure of the air cylinder is regulated and controlled manually by an operator according to the material, the wall thickness and the external dimension of a processed pipe fitting and experience by using the pressure regulating valve, and the problems are that: firstly, the traditional pressure regulating valve has low precision and large error, and the pressure regulating valve is utilized to manually regulate the air inlet pressure precision of the chuck cylinder, so that when the chuck clamps a pipe fitting to be processed, the chuck clamps the pipe fitting to be processed, particularly a thin pipe (generally a circular pipe or a square pipe with the pipe diameter of 10-360 mm and the pipe thickness of 0.8 mm or less) to deform or even clamp the pipe fitting to be processed, thereby influencing the processing precision and the yield; secondly, the manual regulation of the pressure of the cylinder has higher requirements on the working experience and business skills of operators, and the labor and training cost of enterprises are increased; thirdly, in the processing process, the operation of manually adjusting the pressure of the air cylinder is needed to be carried out again every time the type of the processed pipe fitting is replaced, which is time-consuming and labor-consuming and affects the production and processing efficiency; fourth, in the working process of the existing air chuck, the chuck is always provided with the same air pressure when clamping and opening the clamping jaw, the chuck is in a high-pressure working state for a long time, the air channel is always subjected to high pressure, each transmission component also works under larger stress, the air channel is not economical, the failure probability of leakage and the like is larger, each transmission component is worn faster, and the service life of the chuck is influenced.
Disclosure of Invention
The purpose of the utility model is that: for solving the problem that exists among the prior art, provide a pneumatic laser pipe cutting chuck air feed pressure controlling means, the device can conveniently set up the air inlet pressure of chuck cylinder, can implement accurate control to the atmospheric pressure of chuck cylinder in the course of the work, and can effectively improve work efficiency and chuck's life.
The technical scheme of the utility model is as follows: the utility model relates to a pneumatic laser cutting pipe clamping disc air supply pressure control device, which is structurally characterized in that: the control box comprises a control box formed by a box body and a box door, an air inlet tee joint and an air outlet tee joint which are used for air circuit connection, a proportional pressure valve which is respectively connected with one interface of the air inlet tee joint and the air outlet tee joint in a ventilation way and used for outputting air with set air pressure, a first pressure transmitter and a second pressure transmitter which are respectively connected with the other interface of the air inlet tee joint and the air outlet tee joint in a ventilation way and used for detecting air pressure of an air inlet side and an air outlet side of the proportional pressure valve, an electromagnetic valve which is connected with the third interface of the air outlet tee joint in a ventilation way and used for controlling on-off of air output, and an electric circuit component used for electric control; the circuit assembly comprises a PLC for master control, a relay for controlling the on-off of air at two air outlets of the electromagnetic valve according to the instruction of the PLC, a touch screen electrically connected with the PLC for man-machine interaction, a starting switch, a clamping button and an opening button for sending corresponding operation instructions to the PLC, and a power module for providing working power; the signal output end of each of the first pressure transmitter and the second pressure transmitter and the electric control end of the proportional pressure valve are electrically connected with the PLC; the PLC, the relay and the power module are arranged in the box body of the control box, and the touch screen, the starting switch, the clamping button and the opening button are respectively and fixedly arranged on the box door of the control box.
The further scheme is as follows: the air inlet tee joint, the air outlet tee joint, the proportional pressure valve, the first pressure transmitter, the second pressure transmitter and the electromagnetic valve are fixedly arranged on the upper end face of the box body of the control box.
The further scheme is as follows: the box body of the control box is a square hollow structural member with an open end, and a wiring hole is formed above the box body; the box door can be opened and can be locked and arranged at the front end opening of the box body.
The further scheme is as follows: the circuit assembly further comprises an emergency stop switch which is fixedly arranged on the box door and used for sending an emergency stop operation instruction to the PLC when an abnormal situation occurs.
The further scheme is as follows: the circuit assembly further comprises an indicator lamp group fixedly arranged on the box door.
The further scheme is as follows: the indicating lamp group comprises a red power supply indicating lamp, a yellow clamping indicating lamp and a green opening indicating lamp, and the power supply indicating lamp, the clamping indicating lamp and the opening indicating lamp are all electrically connected with the PLC.
The utility model has the positive effects that: (1) According to the utility model, through the design of the integral structure, the whole-course accurate control of the clamping and opening air pressure of the input chuck can be realized according to the optimal clamping and opening air pressure values for different processed pipe fittings, the phenomenon that the processed pipe fittings, particularly thin pipes, are deformed and even broken by clamping is effectively avoided, and the technical problems that the processed pipe fittings, particularly the thin pipe clamps, are easily deformed and even broken by clamping due to low air pressure adjustment precision and large error caused by manual operation through the traditional pressure regulating valve in the prior art, so that the processing precision and the yield are influenced are effectively solved. (2) Through the structural design, an operator only needs to input parameters simply through man-machine interaction of the touch screen according to different processed pipe fittings when in use, and then the operator can operate through corresponding switch buttons, so that the problems that in the prior art, the manual adjustment of the pressure of the air cylinder has high requirements on the working experience and business skills of the operator, and the labor and training cost of enterprises are correspondingly improved can be effectively solved. (3) Through the structural design, when the type of the processed pipe fitting is replaced in the using process, an operator only needs to input corresponding parameters again by using the touch screen, so that the problems that in the prior art, time and labor are wasted and production and processing efficiency are affected because manual adjustment of the pressure of the air cylinder is needed to be carried out again every time the type of the processed pipe fitting is replaced are effectively solved. (4) According to the utility model, through the structural design, the air pressure of the chuck connected with the air inlet is different in the clamping state and the opening state, the air pressure can be adjusted at any time, and the air with smaller air pressure can be conveniently output to the chuck in the non-working time of the chuck, so that the problems of high failure probability and influence on the service life of the chuck caused by the fact that the existing pneumatic chuck is always in a high-pressure state in the working process are effectively solved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic block diagram of the circuit configuration of the present utility model;
FIG. 4 is a schematic view of the gas circuit connection to a gas tank and air chuck during use of the present utility model.
The reference numerals in the above figures are as follows:
the control box 1, the box door 11, the box body 12 and the wiring hole 12-1; an air inlet tee joint 2; a gas outlet tee 3; a proportional pressure valve 4; a first pressure transmitter 5, a second pressure transmitter 6; a solenoid valve 7, a first air outlet 71, a second air outlet 72; the circuit assembly 8, the touch screen 81, the start switch 82, the scram switch 83, the clamping button 84, the opening button 85, the power indicator lamp 86, the clamping indicator lamp 87 and the opening indicator lamp 88;
a gas tank 100; a gas pipe 101; chuck 102, cylinder has rod chamber inlet port 102-1, cylinder no rod chamber inlet port 102-2.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
Example 1
Referring to fig. 1 to 3, the pneumatic laser pipe cutting clamping disc air supply pressure control device of the embodiment mainly comprises a control box 1, an air inlet tee joint 2, an air outlet tee joint 3, a proportional pressure valve 4, a first pressure transmitter 5, a second pressure transmitter 6, an electromagnetic valve 7 and a circuit component 8.
The control box 1 mainly comprises a box door 11 and a box body 12. The box body 12 is a square hollow structural member with an open end, and a wiring hole 12-1 is arranged above the box body 12; the box door 11 is arranged at the front end opening of the box body 12 in a openable and lockable manner, and a plurality of mounting holes for mounting circuit components are formed in the box door 11.
The air inlet tee joint 2 and the air outlet tee joint 3 are used for connecting air paths; the air inlet tee joint 2 and the air outlet tee joint 3 are respectively provided with three interfaces.
The proportional pressure valve 4 is used to output air of a set air pressure to the chuck, i.e., to perform precise control of the air pressure input to the chuck. The proportional pressure valve 4 is provided with an air inlet, an air outlet and an electric control end. The proportional pressure valve 4 is a commercially available part, and a VPPM-6L-L type proportional pressure valve is preferably used.
The first pressure transmitter 5 and the second pressure transmitter 6 are used for detecting the air pressure in the air channel of the air inlet side and the air outlet side of the proportional pressure valve 4; the first pressure transmitter 5 and the second pressure transmitter 6 are respectively provided with an air inlet and a signal output end, and the first pressure transmitter 5 and the second pressure transmitter 6 are all commercially available parts, and are preferably SPTW-B11R type pressure transmitters.
The electromagnetic valve 7 is used for controlling the on-off of two paths of air output, namely, when the chuck is used, the electromagnetic valve 7 is used for controlling the on-off of air inlet of a rod cavity and a rodless cavity of a cylinder of the chuck. The solenoid valve 7 has a first air outlet 71 and a second air outlet 72 and an electrically controlled end. Solenoid valve 7 is a commercially available piece, preferably a type 4V210-08 solenoid valve.
The air inlet of the proportional pressure valve 4 and the air inlet of the first pressure transmitter 5 are respectively connected with one interface of the air inlet tee joint 2 in a ventilation way, the air outlet of the proportional pressure valve 4 and the air inlet of the second pressure transmitter 6 are respectively connected with one interface of the air outlet tee joint 3 in a ventilation way, and the air inlet of the electromagnetic valve 7 is connected with the third interface of the air outlet tee joint 3 in a ventilation way.
The air inlet tee joint 2, the air outlet tee joint 3, the proportional pressure valve 4, the first pressure transmitter 5, the second pressure transmitter 6 and the electromagnetic valve 7 are preferably fixedly arranged on the top surface of the box body 12 of the control box 1.
The circuit assembly 8 includes a touch screen 81, a start switch 82, an emergency stop switch 83, a clamp button 84, an open button 85, and an indicator light set, which are fixedly provided on the door 11, and a PLC (programmable logic controller, also called a programmable controller), a relay, and a power module, which are fixedly provided in the case 12.
The touch screen 81 is used for man-machine interaction including parameter setting, operation data and status display, and the touch screen 81 is electrically connected with the PLC. Touch screen 81 is a commercially available product, preferably a TK8071IP type touch screen.
The start switch 82 is used for sending an instruction to the PLC to start the start operation of the apparatus of the present embodiment; the emergency stop switch 83 is used for sending an instruction to the PLC when an abnormal situation occurs in the working process, and is used for emergency stop, and the emergency stop switch 83 is set as a preferable mode; the clamping button 84 is used for sending a chuck clamping operation instruction to the PLC; the open button 85 is used to give the PLC a chuck jaw release operation command. The start switch 82, the scram switch 83, the clamp button 84, and the open button 85 are all electrically connected to the PLC.
The PLC is used for the main control of this device, and aforesaid first pressure transmitter 5, second pressure transmitter 6, proportion pressure valve 4 and solenoid valve 7 all are connected with the PLC electricity. The PLC can receive and store parameters sent by the touch screen 81, receives air pressure signals detected and sent by the first pressure transmitter 5 and the second pressure transmitter 6 in real time, correspondingly controls the proportional pressure valve 4 to act according to the set parameters, regulates and controls the air pressure output by the proportional pressure valve 4, and correspondingly controls the air on-off of the first air outlet 71 and the second air outlet 72 of the electromagnetic valve 7 through the control relay. The PLC is a commercially available part, and FX3U-16MT model PLC is preferably adopted. The program built in the PLC is a simple and mature prior art.
The relay is used for correspondingly controlling the on-off of the air of the first air outlet 71 and the second air outlet 72 of the electromagnetic valve 7 according to the instruction of the PLC. The relay is a commercial part, and the RXM2AB2BD type relay is preferably adopted.
The power module is used to convert the input AC220V mains to the operating power required by the device of the example. The power supply module is a commercial part.
The indicating lamp set is set as a preferable mode, and comprises a power supply indicating lamp 86 for indicating the on-off state of the power supply, a clamping indicating lamp 87 for indicating that the clamping jaw of the chuck is in the clamping working state currently, and an opening indicating lamp 88 for indicating that the clamping jaw of the chuck is in the opening working state currently; each pilot lamp of pilot lamp group all is connected with the PLC electricity. Further preferably, the power indicator 86 is a red LED lamp, the clamping indicator 87 is a yellow LED lamp, the opening indicator 88 is a green LED lamp, each indicator indicates a corresponding working state by being turned on and off, and each indicator is a commercially available piece. The indicator lamp group is arranged, so that operators can visually observe and master the corresponding working state of the device.
The working principle and working process of the pneumatic laser pipe cutting clamping disc air supply pressure control device of the embodiment are briefly described below with reference to fig. 4:
when the pneumatic laser pipe cutting clamping disc air supply pressure control device is used, the rest interfaces of the air inlet tee joint 2 are connected with an air storage tank 100 internally provided with compressed air through one air pipe 101 in a ventilation mode, and the other two air pipes 101 are used for enabling the first air outlet 71 and the second air outlet 72 of the electromagnetic valve 7 to be connected with an air cylinder rod cavity air inlet channel interface 102-1 and an air cylinder rodless cavity air inlet channel interface 102-2 which are arranged on the clamping disc 102 in a corresponding ventilation mode.
The power supply of this device is put through to the operating personnel, power indicator 86 lights, press starting switch 82, this device starts work, operating personnel is according to the difference of the pipe fitting that is processed, experienced operating personnel is direct through touch-sensitive screen 81 input clamping force numerical value, inexperienced operating personnel can accomplish the input of parameter through diameter of the pipe fitting that is processed through touch-sensitive screen 81 input, wall thickness or length, width, height and material parameter, PLC is according to the parameter that operating personnel input, generate this optimum clamping atmospheric pressure and open atmospheric pressure, and combine the air pressure detected signal that first pressure transmitter 5 and second pressure transmitter 6 sent, control adjustment ratio pressure valve 4 output air pressure to optimum clamping atmospheric pressure, then operating personnel presses clamp button 84, clamp pilot lamp 87 lights, PLC passes through the first gas outlet 71 of relay control solenoid valve 7 output compressed air, cylinder rod chamber inlet channel interface 102-1 and the interior air channel of chuck of cylinder get into the chuck, the clamping jaw of cylinder drive chuck carries out the accurate action of pressure to the pipe fitting that is processed, by pipe fitting under the clamping state, by the clamping state, the clamping pressure is good for carrying out the clamping state, the clamping pressure is carried out the clamping state by the pipe fitting and is broken and is carried out the clamping state by the pressure transducer and is broken and is carried out the clamping state or is carried out the clamping state is carried out by the clamping pressure is easy to the best pressure transmitter and is broken and is held by the clamping pressure is broken and is broken by the air pressure transmitter is held or is broken and is broken by the clamping valve and is easy to the valve. After the pipe fitting to be processed is cut and processed, an operator presses an opening button 85, an opening indicator lamp 88 is lightened, a PLC controls and adjusts the air pressure output by the proportional pressure valve 4 to be the optimal opening air pressure, the PLC controls the first air outlet 71 of the electromagnetic valve 7 to be closed through a relay, the second air outlet 72 is opened and outputs compressed air, the compressed air enters a rod cavity of an air cylinder in the chuck through a corresponding air pipe 101, an air cylinder rod-free cavity air inlet channel interface 102-2 of the chuck 102 and an air channel in the chuck, and the air cylinder drives clamping jaws of the chuck to release the pipe fitting to be processed. In the working process, if an abnormal condition occurs, an operator only needs to press the emergency stop switch 83 to stop by one key, so that safety is ensured.
The above embodiments are illustrative of the specific embodiments of the present utility model, and not restrictive, and various changes and modifications may be made by those skilled in the relevant art without departing from the spirit and scope of the utility model, and all such equivalent technical solutions are intended to be included in the scope of the utility model.
Claims (6)
1. A pneumatic laser cutting pipe clamping disc air supply pressure control device is characterized in that: the control box comprises a control box formed by a box body and a box door, an air inlet tee joint and an air outlet tee joint which are used for air circuit connection, a proportional pressure valve which is respectively connected with one interface of the air inlet tee joint and the air outlet tee joint in a ventilation way and used for outputting air with set air pressure, a first pressure transmitter and a second pressure transmitter which are respectively connected with the other interface of the air inlet tee joint and the air outlet tee joint in a ventilation way and used for detecting air pressure of an air inlet side and an air outlet side of the proportional pressure valve, an electromagnetic valve which is connected with the third interface of the air outlet tee joint in a ventilation way and used for controlling on-off of air output, and an electric circuit component used for electric control; the circuit assembly comprises a PLC for master control, a relay for controlling the on-off of air at two air outlets of the electromagnetic valve according to the instruction of the PLC, a touch screen electrically connected with the PLC for man-machine interaction, a starting switch, a clamping button and an opening button for sending corresponding operation instructions to the PLC, and a power module for providing working power; the signal output ends of the first pressure transmitter and the second pressure transmitter are respectively provided with an electric control end of the proportional pressure valve, and the electric control ends of the first pressure transmitter and the second pressure transmitter are electrically connected with the PLC; the PLC, the relay and the power module are arranged in the box body of the control box, and the touch screen, the starting switch, the clamping button and the opening button are respectively and fixedly arranged on the box door of the control box.
2. The pneumatic laser cutting tube cartridge air feed pressure control device of claim 1, wherein: the air inlet tee joint, the air outlet tee joint, the proportional pressure valve, the first pressure transmitter, the second pressure transmitter and the electromagnetic valve are fixedly arranged on the upper end face of the box body of the control box.
3. The pneumatic laser cutting tube cartridge air feed pressure control device of claim 1, wherein: the box body of the control box is a square hollow structural member with an open end, and a wiring hole is formed above the box body; the box door can be opened and can be locked and arranged at the front end opening of the box body.
4. The pneumatic laser cutting tube cartridge air feed pressure control device of claim 1, wherein: the circuit assembly further comprises an emergency stop switch fixedly arranged on the box door and used for sending an emergency stop operation instruction to the PLC when an abnormal situation occurs.
5. The pneumatic laser cutting tube cartridge air feed pressure control device of claim 1, wherein: the circuit assembly further comprises an indicator lamp group fixedly arranged on the box door.
6. The pneumatic laser cutting tube cartridge air feed pressure control device of claim 5, wherein: the indicating lamp group comprises a red power supply indicating lamp, a yellow clamping indicating lamp and a green opening indicating lamp, and the power supply indicating lamp, the clamping indicating lamp and the opening indicating lamp are all electrically connected with the PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223180769.5U CN219177465U (en) | 2022-11-29 | 2022-11-29 | Pneumatic laser pipe cutting clamping disc air supply pressure control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223180769.5U CN219177465U (en) | 2022-11-29 | 2022-11-29 | Pneumatic laser pipe cutting clamping disc air supply pressure control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219177465U true CN219177465U (en) | 2023-06-13 |
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ID=86667399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223180769.5U Active CN219177465U (en) | 2022-11-29 | 2022-11-29 | Pneumatic laser pipe cutting clamping disc air supply pressure control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219177465U (en) |
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2022
- 2022-11-29 CN CN202223180769.5U patent/CN219177465U/en active Active
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