CN112476040A

CN112476040A - CNC lathe intelligence magnetic suspension prevents damaging device

Info

Publication number: CN112476040A
Application number: CN202011471397.4A
Authority: CN
Inventors: 林智勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-03-12

Abstract

The intelligent magnetic suspension anti-collision device of the CNC machine tool comprises a magnetic suspension device, an anti-collision device, a workpiece output device, a manipulator and a controller; the magnetic suspension device comprises an iron core and an electromagnetic coil, the anti-collision device comprises an anti-collision water tank, an electric push rod, a water pump and a water collecting tank, and the anti-collision water tank is provided with a water discharge gate plate; when the controller is used, when a workpiece processed by a machine tool falls, the controller controls the magnetic suspension device to generate magnetic force to attract the falling workpiece, and the falling speed of the workpiece is slowed down, so that the workpiece falls into the liquid from the anti-collision water tank at a reduced speed; the controller controls the conveying belt for unloading the workpiece in the anti-collision water tank liquid to the workpiece output device, controls the conveying belt to convey the workpiece to the side of the manipulator, and uses the manipulator to grab and send the workpiece to the workpiece box, thus continuously circulating; effectively avoids workpiece collision and solves the problem that the workpiece is damaged when the machine tool machines.

Description

CNC lathe intelligence magnetic suspension prevents damaging device

Technical Field

The invention relates to a collision-proof device for machine tool workpieces, in particular to an intelligent magnetic suspension collision-proof device for a CNC machine tool.

Background

At present, when a machine tool processes a metal workpiece, workpieces cut off by a chuck can not only damage the surface of the workpiece, but also processed workpieces can collide with each other, so that the surface quality of the workpiece is further damaged, particularly, workpieces needing to be electroplated and damaged workpieces can cause the working amount of grinding and polishing of the workpiece to be multiplied, and even the surface of the workpiece cannot be repaired and scrapped.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an intelligent magnetic suspension anti-collision device for a CNC (computer numerical control) machine tool, which is used for solving the problem that a workpiece of the machine tool is collided during machining and avoiding the workpiece from colliding with the surface of the workpiece during machining.

The technical scheme adopted by the invention is as follows: the intelligent magnetic suspension anti-collision device of the CNC machine tool comprises a magnetic suspension device, an anti-collision device, a workpiece output device, a manipulator and a controller; the magnetic suspension device is arranged in a protective cover of the CNC machine tool, is positioned above an automatic chuck and a tool bit of the CNC machine tool and is used for attracting a workpiece falling off from the automatic chuck by utilizing magnetic attraction and slowing down the falling speed of the workpiece, and the workpiece is made of an iron material; the anti-collision device is arranged in a protective cover of the CNC machine tool, is positioned below the automatic chuck and the tool bit and is used for receiving a workpiece falling off from the automatic chuck by using liquid so as to avoid collision of the workpiece; one end of the workpiece output device is arranged in the protective cover, the other end of the workpiece output device is positioned outside the protective cover, and the workpiece output device is used for outputting workpieces; the manipulator is positioned beside the other end of the workpiece output device and is used for grabbing the workpiece of the workpiece output device to the workpiece box; the magnetic suspension device comprises an iron core and an electromagnetic coil; the anti-collision device comprises an anti-collision water tank, an electric push rod, a water pump and a water collecting tank, wherein the anti-collision water tank is provided with a water discharge gate plate, one end of the anti-collision water tank is hinged with the first support through a first hinge shaft of the anti-collision water tank, the water discharge gate plate is hinged with the other end of the anti-collision water tank through a second hinge shaft of the anti-collision water tank, the other end of the anti-collision water tank is provided with a gate, and the water discharge gate plate is movably; the shell of the electric push rod is hinged with the first support, the power rod of the electric push rod is hinged with the second support, and the second support is fixedly connected with the water discharge flashboard; the water collecting tank is positioned below the anti-collision water tank, the input connector of the water pump is connected with the water collecting tank, the output connector of the water pump is connected with the output spray head through a pipeline, and the output spray head is positioned at the upper part of the anti-collision water tank; when the anti-collision water tank is used, the cutting fluid is pumped into the anti-collision water tank by the water pump, a workpiece falls into the cutting fluid, the workpiece is prevented from being collided, and the workpiece in the anti-collision water tank is unloaded to the workpiece output device by the electric push rod; the workpiece output device comprises a conveying motor, a driving wheel, a conveying belt, a driven wheel and a third support, wherein the driving wheel and the driven wheel are arranged on the third support, the driving wheel is connected with the driven wheel through the conveying belt, a base of the conveying motor is connected with the third support, and a motor shaft of the conveying motor is connected with the driving wheel; the controller comprises a workpiece falling upper position sensor, a workpiece falling lower position sensor, a discharging reset sensor, a workpiece output position sensor, a workpiece boxing position sensor, a starting switch and a stopping switch; the workpiece falling upper position sensor is arranged on the magnetic suspension device, is positioned above the workpiece which does not fall, and is used for upper limit detection of the workpiece; the workpiece falling position sensor is arranged above the side of the anti-collision water tank and used for detecting that the workpiece falls into the anti-collision water tank; the unloading position sensor and the unloading reset sensor are arranged on the shell of the electric push rod, the unloading reset sensor is positioned above the unloading position sensor and used for controlling the stroke of the electric push rod, the electric push rod is used for driving the anti-collision water tank to swing, and the workpiece is unloaded to the workpiece output device; the workpiece output position sensor is arranged on a third bracket at the input end of the workpiece output device and is used for detecting the workpiece unloaded from the anti-collision water tank to the workpiece output device; the workpiece boxing position sensor is arranged on the third support at the output end of the workpiece output device and used for detecting the workpiece output by the workpiece output device; the controller is connected with a workpiece falling upper position sensor, a workpiece falling position sensor, a discharging reset sensor, a workpiece output position sensor, a workpiece boxing position sensor, a starting switch, a stopping switch, an electric push rod, a conveying motor, a motor of a water pump, a manipulator and a control system of the CNC machine tool through control lines; providing information of a cutting workpiece of a CNC machine tool bit to a controller by using a control system; the initial state of the anti-bruise device is as follows: the notch of the anti-collision water tank is parallel to the horizontal line, the water discharge flashboard of the anti-collision water tank is connected with the sluice gate in a sealing mode, the anti-collision water tank is full of liquid, the liquid comprises cutting liquid, the power rod of the electric push rod is in an extending state, the sensing piece on the power rod is close to the discharging reset sensor, and the position sensor is close to a workpiece which is not cut off when the workpiece falls.

The use method of the CNC machine tool intelligent magnetic suspension anti-collision device comprises the following steps: when the controller is used, a starting switch of the controller is pressed, the controller enters a workpiece anti-collision working program, and after the controller enters the workpiece anti-collision working program, the controller controls the intelligent magnetic suspension anti-collision device of the CNC machine tool to work; when the workpiece of the automatic chuck is machined, the workpiece is cut off by the tool bit, when the workpiece is cut off and leaves the moment that the workpiece falls off the upper position sensor, the upper position sensor of the workpiece falls off transmits a signal to the controller, or a control system of the CNC machine tool transmits information of the workpiece cut off by the tool bit to the controller, the controller controls the magnetic suspension device to be electrified, the magnetic suspension device generates magnetic attraction to attract the falling workpiece, the falling speed of the workpiece is reduced, the workpiece after being decelerated by the magnetic suspension falls on the liquid level of the anti-collision water tank and sinks into the bottom of the anti-collision water tank from the liquid level, the falling impact force of the workpiece is further reduced, and the workpiece is prevented from being damaged; when the workpiece falls to the workpiece falling position sensor, the workpiece falling position sensor sends a signal to the controller, after the workpiece sinks into the bottom of the anti-collision water tank, the controller controls the electric push rod to work, the power rod of the electric push rod retracts, the power rod pulls the water drain flashboard of the anti-collision water tank to swing and open, the water drain flashboard swings and leaves the gate, the electric push rod pulls the anti-collision water tank to swing along with the continuous retraction of the power rod of the electric push rod, the anti-collision water tank tilts, and the workpiece in the anti-collision water tank slides to a conveying belt of the workpiece output device along the bottom of the anti-collision water tank and the water drain flashboard along with cutting fluid; after the workpiece is unloaded onto the conveyor belt, the workpiece approaches the detection range of the workpiece output position sensor, the workpiece output position sensor transmits a signal of the workpiece output position sensor to the controller, the controller controls the conveyor motor to drive the conveyor belt to rotate, when the workpiece enters the detection range of the workpiece boxing position sensor, the workpiece boxing position sensor transmits the signal of the workpiece boxing position sensor to the controller, the controller controls the conveyor motor to stop, and the conveyor belt stops rotating; after the conveying belt stops rotating, the controller controls the manipulator to grab the workpiece to the workpiece box; the workpiece is prevented from being damaged in the machining process.

The invention has the beneficial effects that: the intelligent magnetic suspension anti-collision device of the CNC machine tool comprises a magnetic suspension device, an anti-collision device, a workpiece output device, a manipulator and a controller; the magnetic suspension device comprises an iron core and an electromagnetic coil; the anti-collision device comprises an anti-collision water tank, an electric push rod, a water pump and a water collecting tank, wherein the anti-collision water tank is provided with a water discharge flashboard; when the controller is used, when a workpiece falls, the controller controls the magnetic suspension device to generate magnetic force to attract the falling workpiece, and the falling speed of the workpiece is slowed down, so that the workpiece falls into the liquid from the anti-collision water tank at a reduced speed; the controller controls the conveying belt for unloading the workpiece in the anti-collision water tank liquid to the workpiece output device, controls the conveying belt to convey the workpiece to the side of the manipulator, and uses the manipulator to grab and send the workpiece to the workpiece box, thus continuously circulating; effectively avoids workpiece collision and solves the problem that the workpiece is damaged when the machine tool machines.

Drawings

FIG. 1 is a schematic structural diagram of an intelligent magnetic suspension anti-collision device of a CNC machine tool;

fig. 2 is a schematic view of a structure in which the anti-collision water tank discharges the workpiece to the conveyor belt.

Detailed Description

The invention is further described with reference to the following detailed description of embodiments and with reference to the accompanying drawings in which:

as shown in fig. 1, the schematic structural diagram of the intelligent magnetic suspension anti-collision device of the CNC machine tool and the schematic structural diagram of the anti-collision water tank for unloading the workpiece to the conveyor belt are shown in fig. 2, the intelligent magnetic suspension anti-collision device of the CNC machine tool comprises a magnetic suspension device 4, an anti-collision device 5, a workpiece output device 6, a manipulator 7 and a controller 8; the magnetic suspension device 4 is arranged in a protective cover 3 of the CNC machine tool, the magnetic suspension device 4 is positioned above an automatic chuck 1 and a tool bit 2 of the CNC machine tool and is used for attracting a workpiece 9 falling off from the automatic chuck 1 by utilizing magnetic attraction and slowing down the falling speed of the workpiece 9, and the workpiece 9 is made of iron materials; the anti-collision device 5 is arranged in a protective cover 3 of the CNC machine tool, the anti-collision device 5 is positioned below the automatic chuck 1 and the tool bit 2 and used for receiving a workpiece 9 falling off from the automatic chuck 1 by using liquid so as to prevent the workpiece 9 from being collided; one end of a workpiece output device 6 is arranged in the protective cover 3, the other end of the workpiece output device 6 is positioned outside the protective cover 3, and the workpiece output device 6 is used for outputting a workpiece 9; the manipulator 7 is positioned beside the other end of the workpiece output device 6 and is used for grabbing the workpieces of the workpiece output device 6 to the workpiece box 10; the magnetic suspension device 4 comprises an iron core 11 and an electromagnetic coil 12; the anti-collision device 5 comprises an anti-collision water tank 13, an electric push rod 14, a water pump 15 and a water collecting tank 16, wherein the anti-collision water tank 13 is provided with a water discharge gate plate 17, one end of the anti-collision water tank 13 is hinged with a first support 19 through a first hinge shaft 18, the water discharge gate plate 17 is hinged with the other end of the anti-collision water tank 13 through a second hinge shaft 20, the other end of the anti-collision water tank 13 is provided with a gate 21, and the water discharge gate plate 17 is movably matched and connected with the gate 21; the shell of the electric push rod 14 is hinged with the first bracket 19, the power rod 22 of the electric push rod 14 is hinged with the second bracket 23, and the second bracket 23 is fixedly connected with the water discharge gate plate 17; the water collecting tank 16 is positioned below the anti-collision water tank 13, the input connector 24 of the water pump 15 is connected with the water collecting tank 16, the input connector 24 is provided with a filter screen to prevent iron chips from entering the water pump 15, the output connector 25 of the water pump 15 is connected with the output spray head 27 through a pipeline 26, and the output spray head 27 is positioned at the upper part of the anti-collision water tank 13; when the anti-collision water tank is used, the cutting fluid is pumped into the anti-collision water tank 13 by the water pump 15, the workpiece 9 falls into the cutting fluid, the workpiece 9 is prevented from being collided, and the workpiece in the anti-collision water tank 13 is unloaded to the workpiece output device 6 by the electric push rod 14; the workpiece output device 6 comprises a conveying motor 28, a driving wheel 29, a conveying belt 30, a driven wheel 31 and a third support 42, wherein the driving wheel 29 and the driven wheel 31 are mounted on the third support 42, the driving wheel 29 is connected with the driven wheel 31 through the conveying belt 30, a base of the conveying motor 28 is connected with the third support 42, and a motor shaft of the conveying motor 28 is connected with the driving wheel 29; the controller 8 comprises a workpiece falling upper position sensor 32, a workpiece falling lower position sensor 33, a discharging position sensor 34, a discharging reset sensor 35, a workpiece output position sensor 36, a workpiece boxing position sensor 37, a start switch 38 and a stop switch 39; the workpiece falling upper position sensor 32 is arranged on the magnetic suspension device 4, is positioned above the workpiece 9 which does not fall, and is used for upper limit detection of the workpiece 9; the workpiece falling position sensor 33 is arranged above the side of the anti-collision water tank 13 and used for detecting that the workpiece 9 falls into the anti-collision water tank 13; the unloading position sensor 34 and the unloading reset sensor 35 are arranged on the shell of the electric push rod 14, the unloading reset sensor 35 is positioned above the unloading position sensor 34 and used for controlling the stroke of the electric push rod 14, the electric push rod 14 is used for driving the anti-collision water tank 13 to swing, and the workpiece 9 is unloaded to the workpiece output device 6; a workpiece output position sensor 36 is provided on the third bracket 32 at the input end 40 of the workpiece output device 6, and is used for detecting the workpiece 9 unloaded from the anti-collision water tank 13 to the workpiece output device 6; the workpiece boxing position sensor 37 is arranged on the third bracket 32 at the output end 41 of the workpiece output device 6 and is used for detecting the workpieces 9 output by the workpiece output device 6; the controller 8 is connected with a workpiece falling upper position sensor 32, a workpiece falling position sensor 33, a discharging position sensor 34, a discharging reset sensor 35, a workpiece output position sensor 36, a workpiece boxing position sensor 37, a starting switch 38, a stopping switch 39, an electric push rod 14, a conveying motor 28, a motor of a water pump 15, a manipulator 7 and a control system 51 of the CNC machine tool through control lines; the initial state of the anti-collision device 5 is: the notch 43 of the anti-collision water tank 13 is parallel to the horizontal line, the water drain flashboard 17 of the anti-collision water tank 13 is connected with the gate 21 in a sealing mode, the anti-collision water tank 13 is filled with liquid, the liquid comprises cutting liquid, the power rod 22 of the electric push rod 14 is in an extending state, the sensing piece on the power rod 22 is close to the unloading reset sensor 35, and the position sensor 32 is close to the uncut workpiece 9 when the workpiece falls.

The use method of the CNC machine tool intelligent magnetic suspension anti-collision device comprises the following steps: when the anti-collision controller is used, the starting switch 38 of the controller 8 is pressed, the controller 8 enters a workpiece anti-collision working program, and after the controller 8 enters the workpiece anti-collision working program, the controller 8 controls the intelligent magnetic suspension anti-collision device of the CNC machine tool to work; when the workpiece 9 of the automatic chuck 1 is machined, the tool bit 2 cuts off the workpiece 9, when the workpiece 9 is cut off and leaves the workpiece falling upper position sensor 32, the workpiece falling upper position sensor 32 transmits a signal to the controller 8, or the control system 51 of the CNC machine tool transmits information of the tool bit 2 for cutting off the workpiece 9 to the controller 8, the controller 8 controls the magnetic suspension device 4 to be electrified, the magnetic suspension device 4 generates magnetic attraction to attract the fallen workpiece 9, the falling speed of the workpiece 9 is reduced, the workpiece 9 after the magnetic suspension deceleration falls onto the liquid level of the anti-collision water tank 13 and sinks into the bottom of the anti-collision water tank 13 from the liquid level, the falling impact force of the workpiece 9 is further reduced, and the workpiece 9 is prevented from being damaged; when the workpiece 9 falls to the workpiece falling position sensor 33, the workpiece falling position sensor 33 controls the signal controller 8, after the workpiece 9 sinks into the bottom of the anti-collision water tank 13, the controller 8 controls the electric push rod 14 to work, the power rod 22 of the electric push rod 14 retracts, the power rod 22 pulls the water drain gate plate 17 of the anti-collision water tank 13 to swing open, the water drain gate plate 17 swings away from the gate 21, the electric push rod 14 pulls the anti-collision water tank 13 to swing along with the continuous retraction of the power rod 22 of the electric push rod 14, the anti-collision water tank 13 inclines, and the workpiece 9 in the anti-collision water tank 13 slides to the conveying belt 30 of the workpiece output device 6 along the bottom of the anti-collision water tank 13 and the water drain plate 17 along with the cutting fluid; after the workpiece 9 is unloaded onto the conveyor belt 30, the workpiece 9 approaches the detection range of the workpiece output position sensor 36, the workpiece output position sensor 36 transmits a signal to the controller 8, the controller 8 controls the conveyor motor 28 to drive the conveyor belt 30 to rotate, when the workpiece 9 enters the detection range of the workpiece boxing position sensor 37, the workpiece boxing position sensor 37 transmits a signal to the controller 8, the controller 8 controls the conveyor motor 28 to stop, and the conveyor belt 30 stops rotating; after the conveyer belt 30 stops rotating, the controller 8 controls the manipulator 7 to grab the workpiece 9 to the workpiece box 10, so as to prevent the workpiece 9 from being damaged; when the stop switch 39 is pressed, the controller 8 exits the workpiece collision prevention operation program.

In order to control the workpiece 9 to fall down at a reduced speed, the workpiece 9 is prevented from being damaged; the electromagnetic coils 12 of the magnetic suspension device 4 are provided with a plurality of groups, including a first group of electromagnetic coils 44, a second group of electromagnetic coils 45 and a third group of electromagnetic coils 46, for controlling the magnetic attraction force of the magnetic field; when the intelligent magnetic suspension anti-collision device of the CNC machine tool is used, the workpiece falling position sensor 32 detects the moment that the workpiece 9 is cut off and falls, the workpiece falling position sensor 32 transmits a falling signal of the workpiece 9 to the controller 8, the controller 9 controls the first group of electromagnetic coils 44, the second group of electromagnetic coils 45 and the third group of electromagnetic coils 46 to be electrified simultaneously, the first group of electromagnetic coils 44, the second group of electromagnetic coils 45 and the third group of electromagnetic coils 46 are used for generating magnetic attraction together to attract the workpiece 9, and the controller 9 cuts off the power supply of the first group of electromagnetic coils 44 along with the continuous falling of the workpiece 9 to reduce the magnetic attraction; as the workpiece 9 continues to fall, the controller 8 turns off the power to the second set of solenoids 45, and when the workpiece 9 approaches the liquid surface of the anti-collision water tank 13, the controller 8 turns off the power to the third set of solenoids 46, all the magnetic attraction force is eliminated, and the workpiece 9 falls into the liquid of the anti-collision water tank 13.

To prevent the cutting iron chips from falling into the anti-collision water tank 13; the anti-collision water tank 13 is provided with an anti-collision water tank 47 and a corner motor 48, the anti-collision water tank 47 is symmetrically provided with two leaves, each leaf is provided with the corner motor 48, the shell of the corner motor 48 is fixedly connected with the anti-collision water tank 13, and the motor shaft of the corner motor 48 is fixedly connected with the anti-collision water tank 47; the controller 8 is provided with a cover closing position sensor 49 and a cover opening position sensor 50, the cover closing position sensor 49 and the cover opening position sensor 50 are arranged on the anti-collision water tank 13, and the cover opening position sensor 50 is positioned below the cover closing position sensor 49; when the chip-proof door 47 is closed, the chip-proof door 47 approaches the cover-opening position sensor 49, and after the chip-proof door 47 is opened, the chip-proof door 47 approaches the cover-opening position sensor 50; the controller 8 is connected with a control system 51 of the CNC machine tool, and information that the CNC machine tool bit 2 cuts the workpiece 9 is provided for the controller 8 by the control system 51; the initial state of the chip-proof door 47 is: the scrap-proof door 47 is connected with the notch 43 of the anti-collision water tank 13 in a closed manner, and the scrap-proof door 47 approaches the cover closing position sensor 49; when the tool bit 2 of the CNC machine tool cuts the workpiece 9, the scrap-proof door 47 of the anti-collision water tank 13 is closed, so that cutting scrap iron is prevented from falling into the anti-collision water tank 13; before the tool bit 2 is close to the cut-off workpiece 9, the control system 51 of the CNC machine tool transmits information of the tool bit 2 close to the cut-off workpiece 9 to the controller 8, the controller 8 controls the corner motor 48 to drive the scrap-proof door 47 to swing and open, and scrap iron on the scrap-proof door 47 is poured into liquid in the water collecting tank 16 at the bottom of the protective cover 3; after the chip-proof door 47 is opened, the controller 8 controls the corner motor 48 to stop; after the chip-proof door 47 is opened, the cutter head 2 cuts the workpiece 9, and the workpiece 9 is separated from the processed material and falls into the liquid of the anti-collision water tank 13; after the workpiece 9 falls into the liquid in the anti-collision water tank 13, the controller 8 controls the corner motor 48 to drive the anti-scrap door 47 to close.

In order to prevent scrap iron from falling onto the conveyor belt 30 of the workpiece output device 6; the workpiece output device 6 is provided with a chip-preventing plate 52 and a chip-discharging electric pull rod 53, the chip-preventing plate 52 is positioned above the conveying belt 30 at one end in the protective cover 3, the chip-preventing plate 52 is positioned above the anti-collision water tank 13, the chip-preventing plate 52 is hinged with the protective cover 3, a driving rod of the chip-discharging electric pull rod 53 is hinged with the chip-preventing plate 52, and the shell of the chip-discharging electric pull rod 53 is fixedly connected with the third support 42; the area of the scrap-proof plate 52 is larger than the surface area of the corresponding lower conveying belt 30 of the scrap-proof plate 52, so that scrap iron is prevented from falling onto the conveying belt 30; the initial state of the chipproof plate 52 is: the chip-preventing plate 52 is in a horizontal state, and a driving rod of a chip-discharging electric pull rod 53 hinged with the chip-preventing plate 52 is in an extending state; when the tool bit 2 of the CNC machine tool is used for cutting the workpiece 9, scrap iron of the tool bit 2 for cutting the workpiece 9 is blocked by the scrap-preventing plate 52, so that the scrap iron is prevented from falling onto the conveying belt 30 of the workpiece output device 6; when the tool bit 2 is close to cutting off the workpiece 9, the control system 51 of the CNC machine tool transmits information that the tool bit 2 is close to cutting off the workpiece 9 to the controller 8, the chip unloading electric pull rod 53 of the controller 8 retracts, the chip preventing plate 52 is pulled to incline, and the iron chips on the chip preventing plate 52 are unloaded into the liquid of the water collecting tank 16 at the bottom of the protective cover 3; after the scrap iron on the scrap-proof plate 52 is discharged, the controller 8 discharges the scrap electric pull rod 53 to pull the scrap-proof plate 52 to return to the initial state.

After the scrap discharging electric pull rod 53 pulls the scrap preventing plate 52 to swing and incline, scrap iron on the scrap preventing plate 52 slides down along the inclined surface of the scrap preventing plate 52, falls outside the conveying belt 30 and falls into liquid in the water collecting tank 16 at the bottom of the protective cover 3; the front edge 64 of the debris guard 52 is lower than the rear edge 65 thereof, the front edge 64 and the rear edge 65 are parallel to the horizontal, and the horizontal distance between the front edge 64 and the rear edge 65 is greater than the width of the conveyor belt 30; when the control system 51 of the CNC machine tool controls the tool bit 2 to process the material 66 to be processed, the processed iron chips fall into the liquid of the water collecting tank 16 at the bottom of the protective cover 3, and the iron chips are prevented from being attracted to the iron core 11 by the magnetic suspension device 4.

In order to discharge the workpiece 9 of the anti-collision water tank 13 onto the conveyer belt 30 through the water discharge gate 17; the axis of a first hinge shaft 18 of the anti-collision water tank 13 is parallel to the axis of a second hinge shaft 20 of the water discharge gate plate 17, the axis of the second hinge shaft 20 is vertical to the central line of the conveyer belt 30, the width of the water discharge gate plate 17 is smaller than the width of the conveyer belt 30, the length of the water discharge gate plate 17 is larger than the distance from the second hinge shaft 20 to the conveyer belt 30, so that the water discharge gate plate 17 can swing to the conveyer belt 30; when the anti-collision water tank 13 unloads the workpiece 9 onto the conveyer belt 30, the controller 8 is started to control the power rod 22 of the electric push rod 14 to retract, the water drain gate plate 17 is pulled to swing clockwise around the second hinge shaft 20 of the water drain gate plate, due to the weight effect of the anti-collision water tank 13 and the liquid, the anti-collision water tank 13 swings clockwise around the first hinge shaft 18 of the water drain gate plate along with the swing of the water drain gate plate 17, when the water drain gate plate 17 swings to be parallel to the anti-collision water tank 13, the sensing part on the power rod 22 of the electric push rod 14 approaches the unloading position sensor 34, the unloading position sensor 34 transmits a signal to the controller 8, the controller 8 controls the electric push rod 14 to stop, and the workpiece 9 in the anti-collision water tank 13 flows out onto; after the workpiece 9 in the anti-collision water tank 13 flows onto the conveyer belt 30, the controller 8 controls the power rod 22 of the electric push rod 14 to extend out, and the water pushing and discharging gate plate 17 swings around the second hinge shaft 20 in the anticlockwise direction to reset; after the water pushing and discharging flashboard 17 is reset, the power rod 22 of the electric push rod 14 continues to extend, and the pushing anti-collision water tank 13 swings around the first hinge shaft 18 in the anticlockwise direction to reset; when the notch 43 of the anti-collision water tank 13 is parallel to the horizontal line, the sensing member of the power rod 22 of the electric push rod 14 approaches the discharging reset sensor 35, the discharging reset sensor 35 transmits a signal thereof to the controller 8, and the controller 8 controls the electric push rod 14 to stop.

In order to prevent the cutting liquid from flowing out of the protective cover 3 from the conveyer belt 30, the driving wheel 29 of the workpiece output device 6 is arranged outside the protective cover 3, the driven wheel 31 is arranged in the protective cover 3, the axis of the driving wheel 29 and the axis of the driven wheel 31 are parallel to the horizontal line, the axis of the driving wheel 29 is higher than the axis of the driven wheel 31, the conveyer belt 30 inclines from the outside of the protective cover 3 to the inside of the protective cover 3 to prevent the cutting liquid on the conveyer belt 30 from flowing out of the protective cover 3, the protective cover 3 is provided with a workpiece output port 54, and the conveyer belt 30 passes through the workpiece output port 54 and; after the workpiece 9 in the anti-collision water tank 13 is unloaded to the left end of the conveyor belt 30, the workpiece 9 approaches the detection range of the workpiece output position sensor 36, the workpiece output position sensor 36 transmits a signal to the controller 8, the controller 8 controls the conveyor motor 28 to drive the driving wheel 29 to rotate clockwise, the driving wheel 29 drives the driven wheel 31 to rotate clockwise through the conveyor belt 30, the workpiece 8 on the conveyor belt 30 moves from the inside of the protective cover 3 to the outside of the protective cover 3 along with the conveyor belt 30, namely, moves from left to right, when the workpiece 9 moves rightwards to the detection range of the workpiece boxing position sensor 37, the workpiece boxing position sensor 37 transmits a signal to the controller 8, the controller 8 controls the conveyor motor 28 to stop, and the conveyor belt 30 stops rotating; after the rotation of the conveyer belt 30 is stopped, the controller 8 controls the manipulator 7 to grab the workpiece 9 to the workpiece box 10; the circulation is continuously carried out; when the driving wheel 29 of the workpiece output device 6 drives the conveying belt 30 to rotate, the left position of the rotating conveying belt 30 is lower than the right position, the rotating conveying belt 30 is inclined upwards from inside to outside, and the cutting fluid on the conveying belt 30 flows back into the protective cover 3 from the conveying belt 30.

In order to avoid the collision damage of the workpiece 9, the collision-prevention water tank 13 is made of a material with hardness lower than that of an iron material, the material comprises plastics, a soft pad 55 is arranged at the bottom of the collision-prevention water tank 13, the soft pad 55 is made of a soft material, and the soft material comprises sponge, silica gel or rubber; the first support 19 is provided with a limiting block 67, and when the anti-collision water tank 13 is inclined to pour out the workpiece 9, the anti-collision water tank 13 is in contact with the limiting block 67 to limit the swing amplitude of the anti-collision water tank 13.

In order to adjust the transverse and longitudinal spatial positions of the workpiece falling position sensor 33 to be suitable for detecting the falling workpiece 9, the first bracket 19 is provided with an adjusting device 56, the adjusting device 56 comprises a transverse slide rail 57, a longitudinal slide rail 58 and a slide carriage 59, the slide carriage 59 is provided with a transverse slide groove 60 and a longitudinal slide groove 61, the transverse slide rail 57 is fixedly connected with the first bracket 19, the transverse slide rail 57 is movably matched and connected with the transverse slide groove 60 of the slide carriage 59, and the slide carriage 59 is provided with a transverse fixing bolt 62 for locking and connecting the slide carriage 59 with the transverse slide rail 57; the upper part of the longitudinal slide rail 58 is fixedly connected with the workpiece falling position sensor 33, and the lower part of the longitudinal slide rail 58 is movably matched and connected with a longitudinal slide groove 61 of a slide carriage 59; the slide carriage 59 is provided with a longitudinal fixing bolt 63 for locking connection of the slide carriage 59 with the longitudinal slide rail 58; the position of the workpiece falling position sensor 33 is adjusted by the slide base 59 to be suitable for detecting different workpieces 9; when the workpiece falling position sensor 33 needs to adjust the longitudinal position, the longitudinal fixing bolt 63 is used for loosening the locking connection between the sliding seat 59 and the longitudinal sliding rail 58, the longitudinal sliding rail 58 is adjusted to ascend or descend, and then the longitudinal fixing bolt 63 is used for locking the connection between the sliding seat 59 and the longitudinal sliding rail 58; when the workpiece falling position sensor 33 needs to adjust the transverse position, the transverse fixing bolt 62 is used for loosening the locking connection between the sliding seat 59 and the transverse sliding rail 57, the sliding seat 59 is horizontally moved, and then the transverse fixing bolt 62 is used for re-locking the connection between the sliding seat 59 and the transverse sliding rail 57.

In order to prevent the workpieces 9 from falling out of the anti-collision water channel 13, the center line of the iron core 11 of the magnetic levitation device 4 is identical to the center line of the water collection channel 16 of the anti-collision water channel 13, and the vertical projection of the workpieces 9 on the automatic chuck 1 is within the range of the notch 43 of the anti-collision water channel 13.

In order to implement the non-damage circular machining of the workpiece 9, when the workpiece 9 is machined, the material 66 to be machined of the workpiece 9 is installed on an automatic chuck 1 of a CNC machine tool, a control system 51 of the CNC machine tool controls a tool bit 2 to machine the material 66 to be machined, the material 66 to be machined is machined into the workpiece 9, then the tool bit 2 is used for cutting the workpiece 9, and the workpiece 9 and the material 66 to be machined are separated and fall; when the workpiece 9 falls, the controller 8 controls the magnetic suspension device 4 to generate magnetic force to attract the falling workpiece 9, and slows down the falling speed of the workpiece 9, so that the workpiece 9 falls into the anti-collision water tank 13 to liquid at a reduced speed; the controller 8 controls the conveyer belt 30 which discharges the workpiece 9 in the liquid of the anti-collision water tank 13 to the workpiece output device 6, controls the conveyer belt 30 to convey the workpiece 9 to the side of the manipulator 7, and uses the manipulator 7 to grab and send the workpiece 9 to the workpiece box 10; the automatic chuck 1 of the CNC machine tool continuously sends out the materials 66 to be processed and processes the materials into the workpieces 9, the controller 8 continuously controls the magnetic suspension device 4 to generate magnetic attraction force, the falling speed of the workpieces 9 is reduced, liquid of the anti-collision water tank 13 is continuously utilized to absorb collision energy of the falling workpieces 9, the workpieces 9 are prevented from being collided, the controller 8 continuously controls the anti-collision water tank 13 to unload the workpieces 9 onto the conveying belt 30, the workpieces 9 are continuously sent to the side of the manipulator 7, and the manipulator 7 continuously grabs and sends the workpieces 9 to the workpiece box 10; the circulation is continuously carried out; effectively prevent the collision of work piece 9 and other work pieces 9, effectively prevent the collision of work piece 9 and other hard matters to reach the mesh that prevents work piece 9 and damage.

Claims

The utility model provides a device is prevented bumping by CNC lathe intelligence magnetic suspension, its characterized in that: the intelligent magnetic suspension anti-collision device of the CNC machine tool comprises a magnetic suspension device (4), an anti-collision device (5), a workpiece output device (6), a manipulator (7) and a controller (8); the magnetic suspension device (4) is arranged in a protective cover (3) of the CNC machine tool, and the magnetic suspension device (4) is positioned above an automatic chuck (1) and a tool bit (2) of the CNC machine tool; the anti-collision device (5) is arranged in a protective cover (3) of the CNC machine tool, and the anti-collision device (5) is positioned below the automatic chuck (1) and the tool bit (2); one end of the workpiece output device (6) is arranged in the protective cover (3), the other end of the workpiece output device (6) is positioned outside the protective cover (3), and the manipulator (7) is positioned beside the other end of the workpiece output device (6); the magnetic suspension device (4) comprises an iron core (11) and an electromagnetic coil (12); the anti-collision device (5) comprises an anti-collision water tank (13), an electric push rod (14), a water pump (15) and a water collecting tank (16), wherein the anti-collision water tank (13) is provided with a water discharging flashboard (17), one end of the anti-collision water tank (13) is hinged with a first support (19) through a first hinge shaft (18), the water discharging flashboard (17) is hinged with the other end of the anti-collision water tank (13) through a second hinge shaft (20), the other end of the anti-collision water tank (13) is provided with a gate opening (21), and the water discharging flashboard (17) is movably matched and connected with the gate opening (21); the shell of the electric push rod (14) is hinged with the first support (19), the power rod (22) of the electric push rod (14) is hinged with the second support (23), and the second support (23) is fixedly connected with the water discharge gate plate (17); the water collecting tank (16) is positioned below the anti-collision water tank (13), the input joint (24) of the water pump (15) is connected with the water collecting tank (16), the output joint (25) of the water pump (15) is connected with the output spray head (27) through a pipeline (26), and the output spray head (27) is positioned at the upper part of the anti-collision water tank (13); the workpiece output device (6) comprises a conveying motor (28), a driving wheel (29), a conveying belt (30), a driven wheel (31) and a third support (42), the driving wheel (29) and the driven wheel (31) are mounted on the third support (42), the driving wheel (29) is connected with the driven wheel (31) through the conveying belt (30), a base of the conveying motor (28) is connected with the third support (42), and a motor shaft of the conveying motor (28) is connected with the driving wheel (29); the controller (8) comprises a workpiece falling upper position sensor (32), a workpiece falling lower position sensor (33), a discharging position sensor (34), a discharging reset sensor (35), a workpiece output position sensor (36), a workpiece boxing position sensor (37), a starting switch (38) and a stopping switch (39); the workpiece falling upper position sensor (32) is arranged on the magnetic suspension device (4), is positioned above the workpiece (9) which does not fall, and is used for upper limit detection of the workpiece (9); the workpiece falling position sensor (33) is arranged above the side of the anti-collision water tank (13) and used for detecting that the workpiece (9) falls into the anti-collision water tank (13); the unloading position sensor (34) and the unloading reset sensor (35) are arranged on the shell of the electric push rod (14), the unloading reset sensor (35) is positioned above the unloading position sensor (34) and used for controlling the stroke of the electric push rod (14), the electric push rod (14) is utilized to drive the anti-collision water tank (13) to swing, and the workpiece (9) is unloaded to the workpiece output device (6); the workpiece output position sensor (36) is arranged on the third bracket (32) of the input end (40) of the workpiece output device (6) and is used for detecting the workpiece (9) unloaded from the anti-collision water tank (13) to the workpiece output device (6); the workpiece boxing position sensor (37) is arranged on a third bracket (32) of the output end (41) of the workpiece output device (6) and is used for detecting the workpiece (9) output by the workpiece output device (6); the controller (8) is connected with a workpiece falling upper position sensor (32), a workpiece falling position sensor (33), a discharging position sensor (34), a discharging reset sensor (35), a workpiece output position sensor (36), a workpiece boxing position sensor (37), a starting switch (38), a stopping switch (39), an electric push rod (14), a conveying motor (28), a motor of a water pump (15), a manipulator (7) and a control system (51) of the CNC machine tool through control lines.
2. The CNC machine tool intelligent magnetic suspension anti-collision device of claim 1, wherein: the initial state of the anti-collision device (5) is as follows: a notch (43) of the anti-collision water tank (13) is parallel to a horizontal line, a water drain flashboard (17) of the anti-collision water tank (13) is connected with a sluice gate (21) in a sealing mode, the anti-collision water tank (13) is filled with liquid, the liquid comprises cutting liquid, a power rod (22) of an electric push rod (14) is in an extending state, a sensing piece on the power rod (22) is close to a discharging reset sensor (35), and a workpiece falling upper position sensor (32) is close to an uncut workpiece (9).
3. The CNC machine tool intelligent magnetic suspension anti-collision device of claim 2, wherein: the magnetic suspension device (4) is characterized in that a plurality of groups of electromagnetic coils (12) are arranged, and the electromagnetic coils comprise a first group of electromagnetic coils (44), a second group of electromagnetic coils (45) and a third group of electromagnetic coils (46) and are used for controlling the magnetic attraction of a magnetic field.
4. The CNC machine tool intelligent magnetic suspension anti-collision device of claim 3, wherein: the anti-collision water tank (13) is provided with an anti-collision door (47) and a corner motor (48), the anti-collision door (47) is symmetrically provided with two leaves, each leaf is provided with the corner motor (48), the shell of the corner motor (48) is fixedly connected with the anti-collision water tank (13), and the motor shaft of the corner motor (48) is fixedly connected with the anti-collision door (47); the controller (8) is provided with a cover closing position sensor (49) and a cover opening position sensor (50), the cover closing position sensor (49) and the cover opening position sensor (50) are arranged on the anti-collision water tank (13), and the cover opening position sensor (50) is positioned below the cover closing position sensor (49); when the scrap-proof door (47) is closed, the scrap-proof door (47) approaches the cover-closing position sensor (49), and after the scrap-proof door (47) is opened, the scrap-proof door (47) approaches the cover-opening position sensor (50); the controller (8) is connected with a control system (51) of the CNC machine tool, and information that the CNC machine tool bit (2) cuts the workpiece (9) is provided for the controller (8) by the control system (51); the initial state of the chip-proof door (47) is as follows: the scrap-proof door (47) is connected with the notch (43) of the anti-collision water tank (13) in a closed mode, and the scrap-proof door (47) is close to the cover closing position sensor (49).
5. The CNC machine tool intelligent magnetic suspension anti-collision device of claim 4, wherein: the workpiece output device (6) is provided with a chip-preventing plate (52) and a chip-discharging electric pull rod (53), the chip-preventing plate (52) is positioned above the conveying belt (30) at one end in the protective cover (3), the chip-preventing plate (52) is positioned above the anti-collision water tank (13), the chip-preventing plate (52) is hinged with the protective cover (3), a driving rod of the chip-discharging electric pull rod (53) is hinged with the chip-preventing plate (52), and a shell of the chip-discharging electric pull rod (53) is fixedly connected with the third support (42); the area of the scrap-proof plate (52) is larger than the surface area of the lower conveyer belt (30) corresponding to the scrap-proof plate (52), so that scrap iron is prevented from falling onto the conveyer belt (30); the initial state of the chip-preventing plate (52) is as follows: the chip-preventing plate (52) is in a horizontal state, and a driving rod of a chip-discharging electric pull rod (53) hinged with the chip-preventing plate (52) is in an extending state.
6. The CNC machine tool intelligent magnetic suspension anti-collision device of claim 5, wherein: the axis of a first hinge shaft (18) of the anti-collision water tank (13) is parallel to the axis of a second hinge shaft (20) of the water discharge gate plate (17), the axis of the second hinge shaft (20) is perpendicular to the central line of the conveying belt (30), the width of the water discharge gate plate (17) is smaller than the width of the conveying belt (30), and the length of the water discharge gate plate (17) is larger than the distance from the second hinge shaft (20) to the conveying belt (30), so that the water discharge gate plate (17) can swing to the conveying belt (30).
7. The CNC machine tool intelligent magnetic suspension anti-collision device of claim 6, wherein: the utility model discloses a work piece output device (6) drive wheel (29) in guard shield (3) outside, driven wheel (31) are in guard shield (3), the axis and driven wheel (31) axis of drive wheel (29) are parallel with the horizontal line, the position of the axis of drive wheel (29) is higher than the position of driven wheel (31) axis, conveyer belt (30) are by the slope in guard shield (3) extroversion guard shield (3), avoid cutting liquid on conveyer belt (30) to flow out outside guard shield (3), guard shield (3) are equipped with work piece delivery outlet (54), conveyer belt (30) pass work piece delivery outlet (54) and are connected with drive wheel (29) and driven wheel (31).
8. The CNC machine tool intelligent magnetic suspension anti-collision device of claim 7, wherein: the anti-collision water tank (13) is made of a material with hardness lower than that of an iron material, the material comprises plastics, a soft pad (55) is arranged at the bottom of the anti-collision water tank (13), the soft pad (55) is made of a soft material, and the soft material comprises sponge, silica gel or rubber; the first support (19) is provided with a limiting block (67), and when the anti-collision water tank (13) is inclined to pour out the workpiece (9), the anti-collision water tank (13) is in contact with the limiting block (67).
9. The CNC machine intelligent magnetic suspension anti-collision device according to claim 8, characterized in that: the first support (19) is provided with an adjusting device (56), the adjusting device (56) comprises a transverse sliding rail (57), a longitudinal sliding rail (58) and a sliding seat (59), the sliding seat (59) is provided with a transverse sliding groove (60) and a longitudinal sliding groove (61), the transverse sliding rail (57) is fixedly connected with the first support (19), the transverse sliding rail (57) is movably matched and connected with the transverse sliding groove (60) of the sliding seat (59), and the sliding seat (59) is provided with a transverse fixing bolt (62) for locking and connecting the sliding seat (59) and the transverse sliding rail (57); the upper part of the longitudinal slide rail (58) is fixedly connected with the workpiece falling position sensor (33), and the lower part of the longitudinal slide rail (58) is movably matched and connected with a longitudinal slide groove (61) of the slide seat (59); the sliding seat (59) is provided with a longitudinal fixing bolt (63) for locking and connecting the sliding seat (59) and the longitudinal sliding rail (58); the position of the workpiece falling position sensor (33) is adjusted by a slide (59) to be suitable for detecting different workpieces (9).
10. The CNC machine tool intelligent magnetic suspension anti-collision device according to claim 9, for preventing the workpiece (9) from falling out of the anti-collision water tank (13), characterized in that: the center line of an iron core (11) of the magnetic suspension device (4) is the same as the center line of a water collecting tank (16) of the anti-collision water tank (13), and the vertical projection of the workpiece (9) on the automatic chuck (1) is in the range of a notch (43) of the anti-collision water tank (13).