Pneumatic height regulating device of cutting torch for advertisement cutting machine
Technical field
The present invention relates to a kind of Pneumatic height regulating device of cutting torch for advertisement cutting machine, especially at can be to the stereo luminous character of advertising sector, the metal decking of channel letter and the cutting machine cutting torch Pneumatic height regulating device that base plate cuts.
Background technology
At present, the torch height adjusting device of most advertisement cutting machine is electronic, this arrangement for adjusting height instability, flame height changes easily, thereby influence cut quality, and increased the cost of cutting machine, make the cutting machine control system complicated more, influence cutting speed, reduced operating efficiency.
Summary of the invention
For stability and the operating efficiency that improves the cutting torch for advertisement cutting machine height-regulating device, and reduce cost, the invention provides a kind of Pneumatic height regulating device of cutting torch for advertisement cutting machine, include cutting torch, the cutting torch fixed head, cylinder, stepper motor, the burning torch fixed head, the cylinder support, the cylinder nut, the rifle head, plasma spacer sleeve, burning torch chuck and motor cabinet, stepper motor gear and the engagement of crossbeam tooth bar, the crossbeam tooth bar is installed on the crossbeam, burning torch is clamped by the burning torch chuck, the burning torch chuck is connected with the burning torch fixed head by bolt, the cylinder support is installed on the burning torch fixed head, the cylinder support is connected with cylinder piston by nut, cylinder is connected with the cutting torch fixed head by bolt, stepping is electronic to be connected with motor cabinet by bolt, motor cabinet is connected with the cutting torch fixed head by bolt, in the place design that rifle head and sheet material directly contact plasma gun head copper sheathing is arranged, plasma gun head copper sheathing is connected with plasma spacer sleeve by screw thread, also design on the plasma gun head copper sheathing cooling water inlet and cooling bath are arranged, the direction of the lower end of cooling bath between rifle head and sheet material is provided with the cooling water jet, when Compressed Gas enters cylinder, cutting torch upwards lifts under the driving of cylinder piston, when discharging cylinder, Compressed Gas falls under the effect of cutting torch at self gravitation, plasma gun head copper sheathing bottom surface and sheet material are permanently connected to, and the rifle head has pre-set a segment distance from plasma gun head copper sheathing bottom surface, and this distance is the optimum height of cutting flame promptly.
Preferably, be X-direction along the direction of crossbeam, be Y direction along workbench two side rails directions, above-below direction is a Z-direction, X-axis, Y-axis and Z-direction are vertical mutually in twos.
Preferably, the cutting torch fixed head is connected with rail plate by slide block, cutting torch is positioned at the Z-direction state by the dovetail groove moving guide rail under the drive of cylinder, cutting torch is in X-direction mobile status on the crossbeam by rack-and-pinion under the driving of stepper motor, cutting machine moves up and down along Z-direction under the driving of cylinder.
Preferably, in the process of cutting pattern, cooling water does not stop sprays to sheet material, after having cut a pattern, burning torch is flame-out, and cooling water stops to spray, and cutting torch lifts under the driving of cylinder piston simultaneously, cutting torch moves to X, Y direction under the driving of stepper motor and two side rails stepper motors then, realizes the initial alignment of next pattern.When Compressed Gas was discharged cylinder, cutting torch fell under the effect of self gravitation, began the igniting cutting, sprayed cooling water simultaneously, repeated above-mentioned action again and cut next pattern until having cut this figure.
The invention has the beneficial effects as follows: regulate the mode of torch height by adopting cylinder, greatly reduce the production cost of advertisement cutting machine.The use of plasma spacer sleeve has prevented burning torch and has been cut sheet material generation conduction generation danger.Plasma gun head copper sheathing has not only been protected plasma spacer sleeve, and has guaranteed that the distance of rifle head and machining sheet is the optimum height of cutting flame and remains unchanged, thereby has strengthened the stability of torch height adjusting device, and has prolonged the service life of burning torch.Cooling device has prevented that burning torch from being damaged by high temperature, has also prevented to be cut sheet material and produce the deformed damaged score in high temperature.This kind cutting torch is not only simple in structure, and production cost is low, and reliable, and is durable in use.
Description of drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is a left view of the present invention;
Fig. 3 is a cutting torch head cutaway view of the present invention;
Fig. 4 is a cutting torch rifle head full sectional view of the present invention;
Fig. 5 is a plasma gun head copper sheathing full sectional view of the present invention;
Fig. 6 is a plasma spacer sleeve full sectional view of the present invention.
Mark among the figure: 1-cutting torch fixed head; The 2-cylinder; The 3-stepper motor; 4-burning torch fixed head; 5-cylinder support; 6-cylinder nut; 7-plasma gun head copper sheathing; The 8-cooling water inlet; The 9-cooling bath; 10-cooling water jet; The 11-machining sheet; 12-rifle head; The 13-plasma spacer sleeve; 14-burning torch chuck; The 15-motor cabinet; 16-crossbeam tooth bar; The 17-crossbeam.
The specific embodiment
The specific embodiment of the present invention is such, shown in Fig. 1-6, this device comprises cutting torch, cutting torch fixed head 1, cylinder 2, stepper motor 3, burning torch fixed head 4, cylinder support 5, cylinder nut 6, plasma gun head copper sheathing 7, rifle head 12, plasma spacer sleeve 13, burning torch chuck 14, motor cabinet 15, crossbeam tooth bar 16, crossbeam 17 etc.Stepper motor 3 gears and 16 engagements of crossbeam tooth bar, crossbeam tooth bar 16 is installed on the crossbeam 17.Cutting torch carries out the Z-direction location by the dovetail groove moving guide rail under the drive of cylinder 2.Burning torch is clamped by burning torch chuck 14, burning torch chuck 14 is connected with burning torch fixed head 4 by bolt, cylinder support 5 is installed on the burning torch fixed head 4, cylinder support 5 is connected with cylinder piston by nut, when Compressed Gas enters cylinder, cutting torch upwards lifts under the driving of cylinder piston, when discharging cylinder, Compressed Gas falls under the effect of cutting torch at self gravitation, because rifle head 12 is constant with the distance of plasma gun head copper sheathing 7 bottom surfaces, when cutting torch falls plasma gun head copper sheathing 7 bottom surfaces be cut sheet material and contact fully, therefore when cutting torch falls the same pattern of cutting fully, plasma gun head copper sheathing bottom surface and sheet material are permanently connected to, and the rifle head has pre-set a segment distance from plasma gun head copper sheathing bottom surface, and this distance is the optimum height of cutting flame promptly.
Cylinder 2 is connected with cutting torch fixed head 1 by bolt, and cutting torch fixed head 1 is connected with rail plate by slide block.Stepping electronic 3 is connected with motor cabinet 15 by bolt, motor cabinet 15 is connected with cutting torch fixed head 1 by bolt, cutting torch realizes that by rack-and-pinion the cutting torch X-direction moves under the driving of stepper motor 3, stepper motor 3 is connected with motor cabinet 15 by bolt, and motor cabinet 15 is connected with cutting torch fixed head 1 by bolt.Cutting machine is in isoionic mode work, because burning torch is easy and the sheet metal conduction is caused danger, in the place design that rifle head 12 and sheet material 11 directly contact plasma gun head copper sheathing 7 is arranged, plasma gun head copper sheathing 7 and plasma spacer sleeve 13 are by being threaded, and rifle head 12 is constant with the fixed distance of the bottom surface of plasma gun head copper sheathing 7.Plasma spacer sleeve 10 is separated rifle head and sheet metal fully, has effectively prevented rifle head and sheet metal generation electric conduction phenomena, thereby has strengthened the security performance of cutting machine.Plasma gun head copper sheathing 7 is separated plasma spacer sleeve 13 and the sheet material that is cut fully, has effectively protected plasma spacer sleeve 13.Plasma gun head copper sheathing 7 is connected with plasma spacer sleeve 13 by screw thread, also design on the plasma gun head copper sheathing 7 cooling bath 9 and cooling water inlet 8 are arranged, in the process of cutting, cooling water enters cooling bath 9 by cooling water inlet 8, and be sprayed on the sheet material that is cut from the cooling water jet, reduced the temperature that is cut sheet material, thereby effectively prevented to be cut sheet material because high temperature produces distortion.
The course of work of the present invention is as follows: in the process of work, cutting torch is mainly along the X-direction of crossbeam 17, the Y direction of workbench two side rails and vertical Z-direction, and X-axis, Y-axis and Z-direction are vertical mutually in twos.Cutting torch fixed head 1 is connected with rail plate by slide block, cutting torch is positioned at the Z-direction state by the dovetail groove moving guide rail under the drive of cylinder 2, cutting torch is in X-direction mobile status on the crossbeam by rack-and-pinion under the driving of stepper motor 3, cutting machine moves up and down along Z-direction under the driving of described cylinder 2.
In the process of cutting pattern, cooling water does not stop sprays to sheet material, after having cut a pattern, burning torch is flame-out, cooling water stops to spray, cutting torch lifts under the driving of cylinder piston simultaneously, cutting torch moves under the driving of stepper motor 3 and two side rails stepper motors then, realize the initial alignment of next pattern, when discharging cylinder, Compressed Gas falls under the effect of cutting torch at self gravitation, begin igniting cutting, spray cooling water simultaneously, repeat above-mentioned action again and cut next pattern until having cut this figure.
After each cutting torch free-falling, plasma gun head copper sheathing bottom surface contacted with steel plate fully when cutting torch fell, and plasma gun head copper sheathing bottom surface is constant from the distance of rifle head, and this distance is the optimum height of cutting.Therefore, this kind torch height adjusting device realizes the one-time positioning of cutting torch, has saved height-adjusting system, greatly reduces cost.
This height-regulating device can not only be realized the accurate adjusting of burning torch height easily in cutting process, also have the function of isolating and cooling off, and has reduced the manufacturing cost of cutting machine.
The specific embodiment of the above is a better embodiment of the present invention; be not to limit concrete practical range of the present invention with this; scope of the present invention comprises and is not limited to this specific embodiment, and the equivalence that all shapes according to the present invention, structure are done changes and all comprises in protection scope of the present invention.