CN116493786A - Automatic feeding device of laser pipe cutting machine and using method thereof - Google Patents

Abstract

The application discloses an automatic feeding device of a laser pipe cutting machine and a using method thereof, wherein the automatic feeding device of the laser pipe cutting machine comprises a feeding mechanism, a conveying mechanism, an inclined table, a plurality of lifting mechanisms, a plurality of proximity sensors, a controller and a CCD camera, wherein the feeding mechanism is arranged on one side of the conveying mechanism and is connected with the conveying mechanism; the inclined table is arranged between the conveying mechanism and the pipe cutting machine; the lifting mechanisms are equidistantly arranged and detachably arranged on the inclined table; the plurality of proximity sensors are respectively arranged on the corresponding lifting mechanisms; the CCD camera is arranged on the conveying mechanism; the feeding mechanism, the conveying mechanism, the lifting mechanism, the proximity sensor and the CCD camera are respectively connected with a controller arranged in the pipe cutting machine; therefore, the pipe can be fixed and directly lifted to the clamping opening height of the clamping plate, so that the pipe is positioned at the center of the clamping plate, the manufacturing cost is greatly reduced, and the working efficiency is improved.

Description

Automatic feeding device of laser pipe cutting machine and using method thereof

Technical Field

The application relates to the technical field of laser pipe cutting machine feeding, in particular to an automatic feeding device of a laser pipe cutting machine and a using method of the automatic feeding device.

Background

The laser pipe cutting machine adopts the front and back double pneumatic chucks, has small occupied area, high cutting speed and wide processing range, and is widely applied.

For reducing manual strength, improve work efficiency, can dispose automatic feeding device in the current laser pipe cutting machine for with tubular product along sharp flat-pushing to on a plurality of supporting wheels in the laser pipe cutting machine, the rethread each cylinder promotes the supporting wheel that corresponds and lifts the clamp mouth height of chuck with tubular product, and the rethread pneumatic righting wheel is held fixedly in the middle of the tubular product, thereby makes tubular product be in the central point department of chuck, however this kind of mode, not only cost is with high costs, and work efficiency is lower moreover.

Disclosure of Invention

The present application aims to solve, at least to some extent, one of the technical problems in the related art.

Therefore, a first object of the present application is to provide an automatic feeding device of a laser pipe cutting machine, which can fix a pipe and directly lift the pipe to the clamping opening height of a clamping disc, so that the pipe is positioned at the central position of the clamping disc, thereby greatly reducing the manufacturing cost and improving the working efficiency.

A second object of the present application is to provide a method for using an automatic feeding device of a laser pipe cutting machine.

To achieve the above objective, an embodiment of a first aspect of the present application provides an automatic feeding device of a laser pipe cutting machine, including a feeding mechanism, a conveying mechanism, a tilting table, a plurality of lifting mechanisms, a plurality of proximity sensors, a controller and a CCD (charge coupled device) camera, where the feeding mechanism is disposed at one side of the conveying mechanism, and the feeding mechanism is connected to the conveying mechanism, and is configured to lift a pipe to be cut onto the conveying mechanism, and the conveying mechanism is configured to sequentially transfer a plurality of pipes to be cut on the feeding mechanism onto the lifting mechanisms; the inclined table is arranged between the conveying mechanism and the pipe cutting machine; the lifting mechanisms are arranged at equal intervals and detachably arranged on the inclined table, and are used for separating the pipes to be cut on the conveying mechanism one by one and clamping and lifting the separated pipes to be cut to a preset target position; the proximity sensors are respectively arranged on the corresponding lifting mechanisms and are used for identifying the pipe to be cut on the lifting mechanisms so as to generate identification signals; the CCD camera is arranged on the conveying mechanism and is used for acquiring image information of a plurality of pipes to be cut on the conveying mechanism so as to generate image signals; the feeding mechanism, the conveying mechanism, the lifting mechanism, the proximity sensor and the CCD camera are respectively connected with the controller arranged in the pipe cutting machine, and the controller is used for controlling the feeding mechanism and the conveying mechanism to simultaneously operate for a preset first time length and controlling the lifting mechanism, the feeding mechanism and the conveying mechanism according to the identification signal and the image signal.

According to the automatic feeding device of the laser pipe cutting machine, the pipe can be fixed and directly lifted to the clamping opening height of the clamping disc, so that the pipe is positioned at the central position of the clamping disc, the manufacturing cost is greatly reduced, and the working efficiency is improved.

In addition, the automatic feeding device of the laser pipe cutting machine provided by the application can also have the following additional technical characteristics:

in one embodiment of the present application, the conveying mechanism includes two symmetrically arranged support plates, a second motor, two second rod bodies, a plurality of side roller chains and a plurality of chain wheels, wherein the two second rod bodies are rotatably arranged between the two support plates in parallel, and a plurality of chain wheels which are equidistantly arranged are fixedly arranged on the outer wall of each second rod body; the two corresponding chain wheels on the two second rod bodies are driven by the side roller chain; the second motor is arranged on one supporting plate, and an output shaft of the second motor penetrates through the supporting plate and is fixedly connected with one second rod body; the CCD camera is arranged on one supporting plate, and the shooting angle of the CCD camera faces to the side roller chain.

In one embodiment of the present application, the feeding mechanism includes a bracket, a plurality of pull belts, a plurality of winding rollers, a first motor, a plurality of rollers and a first rod body, wherein the plurality of rollers are equidistantly and rotatably arranged on one second rod body adjacent to the bracket; the first rod body is rotatably arranged between the two supporting plates, and a plurality of rollers are fixedly connected to the outer wall of the first rod body; the first motor is arranged on one supporting plate, and an output shaft of the first motor is fixedly connected with the first rod body; the plurality of pull belts are equidistantly arranged, one end of each pull belt is hinged to the corresponding support, and the other end of each pull belt bypasses the corresponding idler wheel to be wound on the corresponding winding roller.

In one embodiment of the present application, the lifting mechanism includes a hydraulic cylinder, a fixed ferrule, a first V-shaped plate, a first cylinder, a backing plate, an L-shaped plate body, a second cylinder, a second V-shaped plate, and two springs, wherein the hydraulic cylinder is disposed on the tilting table, and a telescopic rod of the hydraulic cylinder is fixedly connected with the fixed ferrule; the fixed ferrule is detachably arranged on the first V-shaped plate; the first cylinder is arranged in the first V-shaped plate, and the telescopic rod of the first cylinder is fixedly connected with the base plate; the backing plate is fixedly connected with the lower surface of the L-shaped plate body; an L-shaped through groove is formed in the surface of the L-shaped plate body; two symmetrical sliding grooves are formed in the inner wall of the through groove, and a sliding block is arranged in each sliding groove in a sliding manner; the second V-shaped plate is rotatably arranged between the two sliding blocks; the second cylinder is hinged in the through groove, and the output end of the second cylinder is hinged with the second V-shaped plate; the two springs are respectively arranged in the corresponding sliding grooves, one end of each spring is fixedly connected with the inner wall of each sliding groove, and the other end of each spring is fixedly connected with the sliding block; the proximity sensor is embedded and arranged on the L-shaped plate body.

In one embodiment of the application, the lifting mechanism further comprises a stop lever disposed in the through slot.

In one embodiment of the application, the device further comprises a limiting assembly, wherein the limiting assembly comprises two symmetrically arranged mounting plates, a third rod body and a plurality of baffles, the two mounting plates are respectively arranged on the corresponding supporting plates, and each mounting plate is provided with a limiting groove; the third rod body is arranged between the two supporting plates, and two ends of the third rod body respectively penetrate through the corresponding limiting grooves and are fixed on the supporting plates through bolts.

To achieve the above objective, an embodiment of a second aspect of the present application provides a method for using an automatic feeding device of a laser pipe cutting machine, including: controlling the feeding mechanism and the conveying mechanism to simultaneously run for a preset first time length so as to sequentially transmit a plurality of pipes to be cut on the feeding mechanism to the lifting mechanism;

identifying the pipe to be cut on the lifting mechanism to generate an identification signal;

the lifting mechanism is controlled according to the received identification signal, and the feeding mechanism and the conveying mechanism are stopped running at the same time;

the feeding mechanism and the conveying mechanism are controlled according to the acquired image signals, wherein if judging that the pipe to be cut is not in the image information, the feeding mechanism and the conveying mechanism are controlled to operate simultaneously for a preset first time length; and if judging that the pipe to be cut still exists in the image information, intermittently controlling the conveying mechanism to operate until all the transfer of the plurality of the pipe to be cut on the conveying mechanism is completed.

According to the application method of the automatic feeding device of the laser pipe cutting machine, firstly, the feeding mechanism and the conveying mechanism are controlled by the controller to operate simultaneously for a preset first time period, so that a plurality of pipes to be cut on the feeding mechanism are sequentially transmitted to the lifting mechanism, then the pipes to be cut on the lifting mechanism are identified to generate identification signals, the controller controls the lifting mechanism according to the received identification signals and simultaneously stops operating the feeding mechanism and the conveying mechanism, finally, the controller controls the feeding mechanism and the conveying mechanism according to the acquired image signals, wherein if the controller judges that the pipes to be cut are not in the image information, the feeding mechanism and the conveying mechanism are controlled to operate simultaneously for the preset first time period, if the controller judges that the pipes to be cut still exist in the image information, the controller intermittently controls the conveying mechanism to operate until all the pipes to be cut on the conveying mechanism are completely transferred, so that the pipes can be fixed and directly lifted to the clamping opening height of the chuck, the manufacturing cost of the chuck is greatly reduced, and meanwhile, the working efficiency is improved.

In addition, the application method of the automatic feeding device of the laser pipe cutting machine according to the embodiment of the application can further have the following additional technical characteristics:

in one embodiment of the present application, controlling the lifting mechanism according to the received identification signal includes: if the identification signal is received, controlling the telescopic rod of the hydraulic cylinder to extend according to a preset first extending distance, and controlling the telescopic rod of the second cylinder to retract according to a preset first retracting distance so as to clamp the separated pipe to be cut and lift the pipe to a preset target position; when the extension distance of the telescopic rod of the hydraulic cylinder reaches a preset first extension distance, the telescopic rod of the second cylinder is controlled to extend according to a preset second extension distance, and simultaneously, the chuck of the cutting machine and the clamping pushing trolley are controlled to clamp and fix the pipe to be cut; after a preset delay time, the telescopic rod of the first cylinder is controlled to retract according to a preset second retraction distance, and meanwhile, the telescopic rods of the first cylinder, the hydraulic cylinder and the second cylinder are controlled to return to an initial position.

Additional aspects and advantages of the application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the application.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural view of an automatic feeding apparatus of a laser pipe cutting machine according to an embodiment of the present application;

fig. 2 is a schematic diagram of a connection structure of a feeding mechanism and a conveying mechanism according to an embodiment of the present application;

FIG. 3 is a schematic view of a lifting mechanism according to one embodiment of the present application;

FIG. 4 is a schematic view of a lifting mechanism according to another embodiment of the present application;

FIG. 5 is an enlarged schematic view of area A of FIG. 4 according to one embodiment of the present application;

fig. 6 is a flow chart of a method for using an automatic feeding device of a laser pipe cutting machine according to an embodiment of the present application.

As shown in the figure: 1. a feeding mechanism; 2. a conveying mechanism; 3. an inclined table; 4. a lifting mechanism; 5. a proximity sensor; 6. a controller; 7. a limit component; 8. a CCD camera; 10. a bracket; 11. pulling a belt; 12. a roller; 13. a first motor; 14. a roller; 15. a first rod body; 20. a support plate; 21. a second motor; 22. a second rod body; 23. a side roller chain; 24. a sprocket; 40. a hydraulic cylinder; 41. fixing the ferrule; 42. a first V-shaped plate; 43. a first cylinder; 44. a backing plate; 45. an L-shaped plate body; 46. a second cylinder; 47. a second V-shaped plate; 48. a spring; 49. a stop lever; 70. a mounting plate; 71. a third rod body; 72. a baffle; 450. a through groove; 451. a chute; 452. a slide block; 700. and a limit groove.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application. On the contrary, the embodiments of the present application include all alternatives, modifications, and equivalents as may be included within the spirit and scope of the appended claims.

The following describes an automatic feeding device of a laser pipe cutting machine and a using method thereof according to an embodiment of the application with reference to the accompanying drawings.

The embodiment of the application provides an automatic feeding device of laser pipe cutting machine can be applied on laser cutting machine for on the automatic feeding of tubular product to laser cutting machine, and can be fixed and directly lift the clamp mouth height to the chuck with tubular product for tubular product is in the central point department of chuck.

As shown in fig. 1, 2 and 3, the automatic feeding device of the laser pipe cutting machine in the embodiment of the application may include a feeding mechanism 1, a conveying mechanism 2, an inclined table 3, a plurality of lifting mechanisms 4, a plurality of proximity sensors 5, a controller 6 and a CCD camera 8.

Wherein, feed mechanism 1 arranges in one side of transport mechanism 2, and feed mechanism 1 links to each other with transport mechanism 2, feed mechanism 1 is used for waiting to cut tubular product lifting to transport mechanism 2 on, transport mechanism 2 is used for on conveying a plurality of tubular products that wait to cut in feed mechanism 1 in proper order to lift mechanism 4, the slope platform 3 is arranged between transport mechanism 2 and pipe cutting machine, a plurality of lift mechanism 4 equidistance are arranged and can be dismantled and be set up on the slope platform 3, lift mechanism 4 is used for separating a plurality of tubular products that wait to cut on the transport mechanism 2 one by one, and hold the tubular product centre gripping after the separation and lift to preset target position, wherein, what should be explained is to be in the central position height department of chuck.

It should be noted that, the tilting table 3 described in this example is triangular, and the lifting mechanism 4 is detachably disposed on the inclined surface of the tilting table 3, and the inclined surface can increase the contact area with the lifting mechanism 4 on the one hand, improve the stability of the lifting mechanism 4, and can make the lifting mechanism 4 perform inclined lifting support on the other hand.

The device comprises a plurality of proximity sensors 5, a CCD camera 8, a feeding mechanism 1, a conveying mechanism 2, a lifting mechanism 4, a controller 6 (not shown in the figure) and a CCD camera 8, wherein the proximity sensors 5 are respectively arranged on the corresponding lifting mechanisms 4, the proximity sensors 5 are used for identifying the pipe to be cut on the lifting mechanism 4 so as to generate identification signals, the CCD camera 8 is arranged on the conveying mechanism 2 and is used for acquiring image information of the plurality of pipe to be cut on the conveying mechanism 2 so as to generate image signals, the feeding mechanism 1, the conveying mechanism 2, the lifting mechanism 4, the proximity sensors 5 and the CCD camera 8 are respectively connected with the controller 6 (not shown in the figure) arranged in the pipe cutting machine, and the controller is used for controlling the feeding mechanism 1 and the conveying mechanism 2 to operate for a preset first time period at the same time and controlling the lifting mechanism 4, the feeding mechanism 1 and the conveying mechanism 2 according to the identification signals and the image signals.

It should be noted that, the controller 6 described in this example may communicate with an external upper computer in a wired or wireless manner, so as to receive an instruction sent by the upper computer and control the operation of a device connected with the controller according to the instruction, where the controller 6 may include a control panel, and a display screen and function keys are disposed on the control panel, so that related personnel can conveniently view data of the automatic feeding device of the laser pipe cutting machine during operation through the display screen, and conveniently adjust and modify the data through the input keys.

Specifically, in the process of actually feeding the pipe, related personnel accumulate the pipe to be cut on the feeding mechanism 1, related personnel input the size data and the cutting data of the pipe to be cut into the controller 6 in advance, the controller 6 controls the feeding mechanism 1 and the conveying mechanism 2 to operate simultaneously for a preset first time period, the feeding mechanism 1 lifts the pipe to be cut on the conveying mechanism 2, the pipe to be cut is transmitted to the lifting mechanism 4 through the conveying mechanism 2, one pipe to be cut positioned at the forefront end slides onto the lifting mechanism 4 in the transmission process, when the proximity sensor recognizes the pipe to be cut on the lifting mechanism 4, an identification signal is generated and transmitted to the controller 6, the controller 6 controls the lifting mechanism 4 according to the received identification signal, and simultaneously stops operating the feeding mechanism 1 and the conveying mechanism 2, so that the pipe to be cut on the conveying mechanism 2 is prevented from sliding down, and meanwhile, the pipe is lifted to a target position (namely, at the center position of the pipe is enabled to be positioned at the moment) by the lifting mechanism 4, wherein the preset first time period can be set according to the actual condition.

The controller 6 intermittently controls the conveying mechanism 2 until all of the plurality of pipes to be cut on the conveying mechanism 2 are transferred, wherein the intermittent time length refers to the length of time taken by the pipe cutting machine to cut the pipes.

In the process that the pipe to be cut is transmitted by the conveying mechanism 2, the CCD camera 8 shoots an image of the pipe to be cut of the conveying mechanism 2 in real time, and sends image information to the controller 6 for processing, the controller 6 controls the feeding mechanism 1 and the conveying mechanism 2 according to the acquired image signals, wherein if the controller 6 judges that the pipe to be cut is not in the image information, the feeding mechanism 1 and the conveying mechanism 2 are controlled to operate for a preset first time period at the same time, and if the controller 6 judges that the pipe to be cut still exists in the image information, the controller 6 continuously and intermittently controls the conveying mechanism 2.

In one embodiment of the present application, as shown in fig. 2, the conveying mechanism 2 may include two symmetrically arranged support plates 20, a second motor 21, two second rod bodies 22, a plurality of side roller chains 23 and a plurality of sprockets 24, where the two second rod bodies 22 are arranged between the two support plates 20 in parallel rotation, a plurality of sprockets 24 arranged at equal intervals are fixedly arranged on the outer wall of each second rod body 22, two sprockets 24 corresponding to each other on the two second rod bodies 22 are all driven by the side roller chains 23, the second motor 21 is arranged on one support plate 20, and the output shaft of the second motor 21 penetrates through the support plate 20 and is fixedly connected with one second rod body 22, the CCD camera 8 is arranged on one support plate 20, and the shooting angle of the CCD camera 8 faces the side roller chains 23.

Specifically, during the actual running process of the conveying mechanism 2, the controller 6 starts the second motor 21, the output shaft of the second motor 21 drives one second rod body 22 to rotate, and the second rod body 22 rotates and simultaneously drives the other second rod body 22 to rotate through the sprocket 24 and the side roller chain 23, so that the pipe to be cut is driven to run towards the lifting mechanism 4.

In an embodiment of the present application, as shown in fig. 2, the feeding mechanism 1 may include a support 10, a plurality of pull belts 11, a plurality of winding rollers 12, a first motor 13, a plurality of rollers 14 and a first rod body 15, where the plurality of rollers 14 are equidistantly rotated and disposed on a second rod body 22 adjacent to the support 10, the first rod body 15 is rotatably disposed between two support plates 20, and the plurality of winding rollers 12 are fixedly connected to an outer wall of the first rod body 15, the first motor 13 is disposed on one support plate 20, and an output shaft of the first motor 13 is fixedly connected to the first rod body 15, the plurality of pull belts 11 are equidistantly disposed, one end of the pull belt 11 is hinged on the support 10, and the other end of the pull belt 11 bypasses the rollers 14 and winds around the winding rollers 12.

Specifically, during the actual operation of the feeding mechanism 1, the controller 6 controls the first motor 13 to operate for a preset first period of time, wherein the controller 6 controls the output shaft of the first motor 13 to reciprocally rotate according to a preset rotation angle within the preset first period of time, and the preset rotation angle can be set according to the actual situation.

For example, the output shaft of the first motor 13 is controlled to rotate counterclockwise by 360 ° to drive the plurality of winding rollers 12 to wind the pull belt 11 via the first rod 15, so that the pipe to be cut is lifted onto the conveying mechanism 2, and when the output shaft of the first motor 13 rotates counterclockwise to 360 °, the output shaft of the first motor 13 is controlled to rotate clockwise by 360 ° again, so that the pipe to be cut can be transmitted to the conveying mechanism 2 a small amount of times, and a large amount of pipe is prevented from being accumulated on the conveying mechanism 2.

In an embodiment of the present application, as shown in fig. 3, fig. 4 and fig. 5, the lifting mechanism 4 may include a hydraulic cylinder 40, a fixing collar 41, a first V-shaped plate 42, a first cylinder 43, a pad 44, an L-shaped plate body 45, a second cylinder 46, a second V-shaped plate 47 and two springs 48, where the hydraulic cylinder 40 is disposed on the tilting table 3, and a telescopic rod of the hydraulic cylinder 40 is fixedly connected with the fixing collar 41, the fixing collar 41 is detachably disposed on the first V-shaped plate 42, the first cylinder 43 is disposed in the first V-shaped plate 42, and the telescopic rod of the first cylinder 43 is fixedly connected with the pad 44, the pad 44 is fixedly connected with a lower surface of the L-shaped plate body 45, a through slot 450 of the L-shaped plate body 45 is provided on an inner wall of the through slot 450, two symmetric slide slots 451 are provided in each slide slot 451, the second V-shaped plate 47 is rotatably disposed between the two slide blocks 452, the second cylinder 46 is hinged in the through slot 450, and an output end of the second cylinder 46 is hinged with the second V47 and the second V-shaped plate 47 is fixedly connected with the other end of the spring 48, which is disposed on the inner wall of the corresponding slide slot 45, and is fixedly connected with the other end of the spring 45, and is fixedly connected with the other end of the slide slot 45.

In the embodiment of the application, a certain thrust can be applied to the sliding block 452 by utilizing the elastic potential energy of the spring 48, and the sliding block 452 is limited, so that when the first cylinder 43 pulls the second V-shaped plate 47, the movement track of the second V-shaped plate 47 which rotates first and then moves can be ensured, and further, the pipe on the second V-shaped plate 47 can be ensured to be turned over to the L-shaped plate body 45.

Specifically, in the process of actually controlling the lifting mechanism 4, during the process of conveying by the conveying mechanism 2, the pipe to be cut is slid onto the second V-shaped plate 47, at this time, the proximity sensor 5 detects the pipe to be cut and transmits the pipe to the controller 5, if the controller 6 receives an identification signal, the controller 6 controls the telescopic rod of the hydraulic cylinder 40 to extend according to a preset first extending distance, lifts the pipe to be cut to a preset target position, and controls the telescopic rod of the second cylinder 46 to retract according to a preset first retracting distance, during the retracting process, the telescopic rod of the second cylinder 46 first pulls the second V-shaped plate 47 to rotate, the pipe to be cut is turned onto the L-shaped plate 45, during the continuous running process of the second cylinder 46, the rotated second V-shaped plate 47 is pulled to push the pipe to be cut to move to the side wall of the L-shaped plate 45 and clamp, when the retracting distance of the telescopic rod of the second cylinder 46 reaches the preset first retracting distance, the telescopic rod indicates that the pipe to be cut is clamped, wherein the first extending distance, the preset first retracting distance and the preset target position can be set according to the actual conditions.

When the extension distance of the telescopic rod of the hydraulic cylinder 40 reaches the preset first extension distance (i.e. the pipe to be cut is lifted to the center height position of the chuck at this time), the extension distance of the telescopic rod of the second cylinder 46 is controlled to reach the preset second extension distance (i.e. the limiting force of the pipe to be cut is released at this time), and the chuck and the clamping pushing trolley of the cutting machine are controlled to clamp and fix the pipe to be cut, wherein the preset second extension distance can be set according to practical situations.

And after a preset delay time (for example, 2 s), the telescopic rod of the first cylinder 43 is controlled to retract according to a preset second retraction distance, and the control after the preset delay time has the advantages that the clamping chuck still can play a role in supporting the pipe to be cut when the pipe to be cut is clamped, and meanwhile, the telescopic rods of the first cylinder 43, the hydraulic cylinder 40 and the second cylinder 46 are controlled to return to the initial positions, wherein the preset delay time can be set according to practical conditions.

In one embodiment of the present application, as shown in fig. 5, the lifting mechanism 4 may further include a stop bar 49, where the stop bar 49 is disposed in the through slot 450.

Further, the angle of the second air cylinder 46 can be limited to a certain extent by arranging the stop lever 49, so that the telescopic rod of the second air cylinder 46 is prevented from being in a horizontal state with the bottom plate of the overturned second V-shaped plate 47 when being retracted, a certain included angle is formed between the telescopic rod of the second air cylinder 46 and the second V-shaped plate 47 all the time, and then the telescopic rod of the second air cylinder 46 can push the second V-shaped plate 47 to move and overturned when being extended and reset.

In one embodiment of the present application, as shown in fig. 1, the limiting assembly 7 may further include a limiting assembly 7, where the limiting assembly 7 includes two symmetrically arranged mounting plates 70, a third rod 71 and a plurality of baffles 72, where the two mounting plates 70 are respectively disposed on the corresponding support plates 20, each mounting plate 70 is provided with a limiting slot 700, the third rod 71 is disposed between the two support plates 20, and two ends of the third rod 71 respectively penetrate through the corresponding limiting slots 700 and are fixed on the support plates 20 by bolts.

It should be noted that, in this example, the two ends of the third rod 71 are provided with external threads adapted to the bolts, and the bolts and the mounting plate 70 generate a certain clamping force by rotating the bolts at the two ends, so that the height of the third rod 71 is fixed, and further, the baffle 72 is an obtuse angle V-shaped plate, so that the pipe to be cut lifted by the feeding mechanism 1 is conveniently blocked.

In the embodiment of the application, utilize spacing subassembly 7 can play the effect that blocks to the tubular product that waits that the lifting played for a plurality of tubular products that wait to cut can neatly arrange on transport mechanism 2 one by one, can be simultaneously according to the high position between the spacing subassembly 7 of the altitude mixture control for side gyro wheel chain 23 of tubular product that waits to cut, thereby can carry out the adaptation with different tubular products, and then improved the application scope of this automatic feeding device of laser pipe cutting machine.

In sum, the automatic feeding device of the laser pipe cutting machine can fix and directly lift the pipe to the clamping opening height of the clamping disc, so that the pipe is positioned at the central position of the clamping disc, the manufacturing cost is greatly reduced, and the working efficiency is improved.

As shown in fig. 6, the method for using the automatic feeding device of the laser pipe cutting machine may include:

in step 601, the feeding mechanism 1 and the conveying mechanism 2 are controlled to simultaneously run for a preset first time period, so that a plurality of pipes to be cut on the feeding mechanism 1 are sequentially transmitted to the lifting mechanism 4.

Step 602, identifying the pipe to be cut on the lifting mechanism 4 to generate an identification signal.

And 603, controlling the lifting mechanism 4 according to the received identification signal, and simultaneously stopping running the feeding mechanism 1 and the conveying mechanism 2.

Step 604, controlling the feeding mechanism 1 and the conveying mechanism 2 according to the obtained image signals, wherein if the image information is judged to have no pipe to be cut, the feeding mechanism 1 and the conveying mechanism 2 are controlled to operate simultaneously for a preset first time period, and if the image information is judged to still have the pipe to be cut, the conveying mechanism 2 is intermittently controlled to operate until all the transfer of the plurality of pipes to be cut on the conveying mechanism 2 is completed.

In one embodiment of the present application, controlling the lifting mechanism 4 according to the received identification signal comprises: if the received identification signal is received, the telescopic rod of the hydraulic cylinder 40 is controlled to extend according to a preset first extending distance, the telescopic rod of the second cylinder 46 is controlled to retract according to a preset first retracting distance, so as to clamp and lift the separated pipe to be cut to a preset target position, when the extending distance of the telescopic rod of the hydraulic cylinder 40 reaches the preset first extending distance, the telescopic rod of the second cylinder 46 is controlled to extend according to a preset second extending distance, the chuck and the clamping pushing trolley of the cutting machine are controlled to clamp and fix the pipe to be cut, and after a preset delay time, the telescopic rod of the first cylinder 43 is controlled to retract according to the preset second retracting distance, and the telescopic rods of the first cylinder 43, the hydraulic cylinder 40 and the second cylinder 46 are controlled to return to the initial positions.

It should be noted that the explanation of the embodiment of the automatic feeding device of the laser pipe cutting machine is also applicable to the use method of the automatic feeding device of the laser pipe cutting machine of the embodiment, and no redundant description is given here.

In summary, the method for using the automatic feeding device of the laser pipe cutting machine according to the embodiment of the application includes that firstly, the controller 6 controls the feeding mechanism 1 and the conveying mechanism 2 to operate simultaneously for a preset first time period, so that a plurality of pipes to be cut on the feeding mechanism 1 are sequentially transmitted to the lifting mechanism 4, then the pipes to be cut on the lifting mechanism 4 are identified to generate identification signals, the controller 6 controls the lifting mechanism 4 according to the received identification signals, meanwhile, the feeding mechanism 1 and the conveying mechanism 2 are stopped operating, finally, the controller 6 controls the feeding mechanism 1 and the conveying mechanism 2 according to the acquired image signals, wherein if the controller 6 judges that the pipes to be cut are not in the image information, the controller 6 controls the feeding mechanism 1 and the conveying mechanism 2 to operate simultaneously for the preset first time period, and if the controller 6 judges that the pipes to be cut still exist in the image information, the controller 6 intermittently controls the conveying mechanism 2 to operate until all the pipes to be cut on the conveying mechanism 2 are identified, so that the pipes can be fixed and directly lifted to the clamping port height of the clamping chuck, the central position of the clamping chuck is greatly reduced, and the manufacturing cost is greatly reduced.

In the description of this specification, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the present application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the present application.

Claims (8)

1. An automatic feeding device of a laser pipe cutting machine is characterized by comprising a feeding mechanism, a conveying mechanism, an inclined table, a plurality of lifting mechanisms, a plurality of proximity sensors, a controller and a CCD camera, wherein,

the feeding mechanism is arranged on one side of the conveying mechanism and connected with the conveying mechanism, and is used for lifting the pipe to be cut onto the conveying mechanism, and the conveying mechanism is used for sequentially conveying a plurality of the pipe to be cut on the feeding mechanism onto the lifting mechanism;

the inclined table is arranged between the conveying mechanism and the pipe cutting machine;

the lifting mechanisms are arranged at equal intervals and detachably arranged on the inclined table, and are used for separating the pipes to be cut on the conveying mechanism one by one and clamping and lifting the separated pipes to be cut to a preset target position;

the proximity sensors are respectively arranged on the corresponding lifting mechanisms and are used for identifying the pipe to be cut on the lifting mechanisms so as to generate identification signals;

the CCD camera is arranged on the conveying mechanism and is used for acquiring image information of a plurality of pipes to be cut on the conveying mechanism so as to generate image signals;

the feeding mechanism, the conveying mechanism, the lifting mechanism, the proximity sensor and the CCD camera are respectively connected with the controller arranged in the pipe cutting machine, and the controller is used for controlling the feeding mechanism and the conveying mechanism to simultaneously operate for a preset first time length and controlling the lifting mechanism, the feeding mechanism and the conveying mechanism according to the identification signal and the image signal.

2. The automatic feeding device of a laser pipe cutting machine according to claim 1, wherein the conveying mechanism comprises two symmetrically arranged support plates, a second motor, two second rod bodies, a plurality of side roller chains and a plurality of chain wheels, wherein,

the two second rod bodies are arranged between the two supporting plates in parallel in a rotating manner, and a plurality of chain wheels which are arranged at equal intervals are fixedly arranged on the outer wall of each second rod body;

the two corresponding chain wheels on the two second rod bodies are driven by the side roller chain;

the second motor is arranged on one supporting plate, and an output shaft of the second motor penetrates through the supporting plate and is fixedly connected with one second rod body;

the CCD camera is arranged on one supporting plate, and the shooting angle of the CCD camera faces to the side roller chain.

3. The automatic feeding device of a laser pipe cutting machine according to claim 2, wherein the feeding mechanism comprises a bracket, a plurality of pull belts, a plurality of winding rollers, a first motor, a plurality of rollers and a first rod body, wherein,

the rollers are equidistantly and rotatably arranged on one second rod body adjacent to the bracket;

the first rod body is rotatably arranged between the two supporting plates, and a plurality of rollers are fixedly connected to the outer wall of the first rod body;

the first motor is arranged on one supporting plate, and an output shaft of the first motor is fixedly connected with the first rod body;

the plurality of pull belts are equidistantly arranged, one end of each pull belt is hinged to the corresponding support, and the other end of each pull belt bypasses the corresponding idler wheel to be wound on the corresponding winding roller.

4. The automatic feeding device of a laser pipe cutting machine according to claim 1, wherein the lifting mechanism comprises a hydraulic cylinder, a fixed ferrule, a first V-shaped plate, a first cylinder, a backing plate, an L-shaped plate body, a second cylinder, a second V-shaped plate and two springs, wherein,

the hydraulic cylinder is arranged on the inclined table, and a telescopic rod of the hydraulic cylinder is fixedly connected with the fixed ferrule;

the fixed ferrule is detachably arranged on the first V-shaped plate;

the first cylinder is arranged in the first V-shaped plate, and the telescopic rod of the first cylinder is fixedly connected with the base plate;

the backing plate is fixedly connected with the lower surface of the L-shaped plate body;

an L-shaped through groove is formed in the surface of the L-shaped plate body;

two symmetrical sliding grooves are formed in the inner wall of the through groove, and a sliding block is arranged in each sliding groove in a sliding manner;

the second V-shaped plate is rotatably arranged between the two sliding blocks;

the second cylinder is hinged in the through groove, and the output end of the second cylinder is hinged with the second V-shaped plate;

the two springs are respectively arranged in the corresponding sliding grooves, one end of each spring is fixedly connected with the inner wall of each sliding groove, and the other end of each spring is fixedly connected with the sliding block;

the proximity sensor is embedded and arranged on the L-shaped plate body.

5. The automatic feeding device of a laser pipe cutting machine of claim 4, wherein the lifting mechanism further comprises a stop lever disposed in the through slot.

6. The automatic feeding device of a laser pipe cutting machine according to claim 2, further comprising a limiting assembly comprising two symmetrically arranged mounting plates, a third rod body and a plurality of baffles, wherein,

the two mounting plates are respectively arranged on the corresponding supporting plates, and each mounting plate is provided with a limiting groove;

the third rod body is arranged between the two supporting plates, and two ends of the third rod body respectively penetrate through the corresponding limiting grooves and are fixed on the supporting plates through bolts.

7. A method of using an automatic feeding apparatus based on a laser pipe cutter according to any one of claims 1-6, comprising:

controlling the feeding mechanism and the conveying mechanism to simultaneously run for a preset first time length so as to sequentially transmit a plurality of pipes to be cut on the feeding mechanism to the lifting mechanism;

identifying the pipe to be cut on the lifting mechanism to generate an identification signal;

the lifting mechanism is controlled according to the received identification signal, and the feeding mechanism and the conveying mechanism are stopped running at the same time;

the feeding mechanism and the conveying mechanism are controlled according to the acquired image signals, wherein,

if the image information is judged to have no pipe to be cut, controlling the feeding mechanism and the conveying mechanism to operate simultaneously for a preset first time length;

and if judging that the pipe to be cut still exists in the image information, intermittently controlling the conveying mechanism to operate until all the transfer of the plurality of the pipe to be cut on the conveying mechanism is completed.

8. The method of claim 7, wherein controlling the lifting mechanism according to the received identification signal comprises:

if the identification signal is received, controlling the telescopic rod of the hydraulic cylinder to extend according to a preset first extending distance, and controlling the telescopic rod of the second cylinder to retract according to a preset first retracting distance so as to clamp the separated pipe to be cut and lift the pipe to a preset target position;

when the extension distance of the telescopic rod of the hydraulic cylinder reaches a preset first extension distance, the telescopic rod of the second cylinder is controlled to extend according to a preset second extension distance, and simultaneously, the chuck of the cutting machine and the clamping pushing trolley are controlled to clamp and fix the pipe to be cut;

after a preset delay time, the telescopic rod of the first cylinder is controlled to retract according to a preset second retraction distance, and meanwhile, the telescopic rods of the first cylinder, the hydraulic cylinder and the second cylinder are controlled to return to an initial position.