CN103028824A

CN103028824A - Numerical-control groove cutting machine

Info

Publication number: CN103028824A
Application number: CN201110302449XA
Authority: CN
Inventors: 贾红兵
Original assignee: WUHAN YIWAN BOGE TECHNOLOGY Co Ltd
Current assignee: WUHAN YIWAN BOGE TECHNOLOGY Co Ltd
Priority date: 2011-10-09
Filing date: 2011-10-09
Publication date: 2013-04-10

Abstract

The invention relates to a numerical-control groove cutting machine, which comprises a numerical control system, an X-Y-Z mechanical system, an electrical control cabinet and a rotary cutting head, wherein the X-Y-Z mechanical system is a gantry-type three-dimensional motion system, the rotary cutting head is installed on a crossbeam of the X-Y-Z mechanical system, a shaft A and a shaft B of the rotary cutting head are linked to enable a cutting gun to realize a groove angle, the groove machining of the cutting gun on a steel plate is realized through the five-axis motion controlled by the numerical control system, and the numerical-control groove cutting machine is characterized in that the lower end of a cantilever of the rotary cutting head is provided with a slide rail, the shaft B is connected with the cantilever through the slide rail, and the lower end of the shaft B is connected with a tray, the tray slides above a cut plate, so that the height control problem between the cutting gun and the plate can be efficiently solved, and the cutting groove error produced in the plasma cutting process can be solved.

Description

Numeric control groove cutting machine

Technical field

The present invention relates to plasma steel numerical control cutting equipment, especially a kind of numeric control groove cutting machine for steel plate being carried out various curved surface groove cuttings.

Background technology

At present, China most of steel cutting enterprise is in carrying out the divided edge of steel plate cutting, generally all be to adopt numerical control cutting machine first part to be cut down, re-use edge planer, groove cutting machine device people, dolly cutting machine or manual grinding mode, through secondary even three processing, just can machine bevel for welding, its groove welding surplus need to be put very greatly, not only manufacturing procedure is complicated, and labour intensity is large, and the steel waste is serious.

, high efficiency in enormous quantities for satisfying, high-quality cutting need of production, technical need to numeric control groove cutting machine equipment increases rapidly, numeric control groove cutting machine is highly difficult complex art in international welding circle, it can be widely used in space flight, shipbuilding, metallurgy, mechanical processing industry, major function is that the steel plate that needs are done welding is carried out various curved surface grooves cuttings, do not need secondary operations, the sheet material that has cut can be directly used in welding.

Find in the practice that still there is certain defect in existing numeric control groove cutting machine equipment: the one, in plasma cutting process, the groove cutting accuracy is not high, and bevel angle is wayward in the cutting process, and error is large; The 2nd, because the maximum capacity of plasma when groove cuts is below 40 millimeters, cutting machine is when carrying out the groove cutting to thickness greater than the steel plate more than 40 millimeters, must adopt flame cutting gun to cut, and the problem that flame cutting gun exists the height between burning torch and the sheet material how to follow the tracks of accurate control in the groove cutting not yet solves at present.

Summary of the invention

The objective of the invention is particularly for the height control problem between cutting gun of cutter and the sheet material, to propose a kind of numeric control groove cutting machine for solving the deficiency of prior art existence.

The technical solution used in the present invention is: numeric control groove cutting machine; comprise digital control system; the X-Y-Z mechanical system; electrical control cabinet and revolution cutting head; the X-Y-Z mechanical system is the three-dimensional motion system of a planer-type; comprise workbench; X-axis; Y-axis and Z axis; X-axis; Y-axis and Z axis are three linear axis; the revolution cutting head is installed on the crossbeam of X-Y-Z mechanical system; the revolution cutting head comprises the A axle; fixed mount; the B axle; cantilever; burning torch; connecting plate and three-dimensional anticollision automatic reset device form; the A axle is installed on the fixed mount; and link to each other with cantilever by drive unit; the lower end of cantilever connects the B axle; burning torch is installed on the B axle by three-dimensional anticollision automatic reset device; the fixed mount below is provided with the preventing collision protection support; the lower end that it is characterized in that described cantilever is provided with slide rail; the B axle is connected by slide rail with cantilever, and described B axle lower end is connected with pallet.

Be provided with universal wheel below the pallet of described B axle lower end.

The pallet of described B axle lower end is the annular or semi-circular of hollow.

Compared with prior art, beneficial effect of the present invention and characteristics are: 1. by having made substantial architecture advances at the cantilever of revolution cutting head, being connected between cantilever and the B axle changed into accurate slide rail connected mode moving up and down, one end of the nearly cuts sheet material that again B is coupling arranges removable pallet, burning torch is fixed on the three-dimensional anticollision automatic reset device that is connected with the B axle, because pallet is pressed on the sheet material when work always, the height of sheet material changes also allows pallet along with carrying out synchronous conversion, thereby guaranteed the accurate control of height between burning torch and the sheet material, effectively solved the accurate control problem of tracking of height between burning torch and the sheet material.2. because pallet has solved the height control problem between burning torch and the sheet material, only need the B axle is rotated to an angle, just can solve the bevel cut error problem that produces in the present plasma cutting process, make the plasma cutting realize the cutting of zero error groove.3. the numeric control groove cutting machine after improving, solved present cutting welding profession to reaching the technical problem that not yet breaks through on the plate cutting technique below 10 millimeters more than 40 millimeters, complete machine adopts Modular Structure Design, volume and weight is light and handy than same kind of products at abroad, cost performance is high, has good cut quality, cutting accuracy and cutting power.

Description of drawings

Fig. 1 is the overall structure front schematic view of the embodiment of the invention;

Fig. 2 is the overall structure side schematic view of the embodiment of the invention;

Fig. 3 is the revolution cutting head structural representation in the embodiment of the invention.

Number in the figure represents respectively: 1-digital control system, 2-X-Y-Z mechanical system, 3-electric control cabinet, 4-workbench; 5-turns round cutting head, the three-dimensional anticollision automatic reset device of 6-, 7-slide rail, 8-A axle; the 9-Z axle, 10-X axle, 11-Y axle, 12-B axle; the 13-optoelectronic switch, 14-preventing collision protection support, 15-burning torch, 16-pallet; the 17-universal wheel, 18 fixed mounts, 19-cantilever; the 20-connecting plate, 21-motor, 22-sheet material.

The specific embodiment

As shown in Figure 1 and Figure 2; numeric control groove cutting machine of the present invention comprises that mainly digital control system 1, X-Y-Z mechanical system 2, electrical control cabinet 3 and revolution cutting head 5 etc. partly consist of; wherein consist of electric system by digital control system 1, electric control cabinet 3 and plasma power supply etc., it provides electrical source of power, control and protection function for mechanical system.X-Y-Z mechanical system 2 is three-dimensional motion system of a planer-type, it comprises three linear axis such as workbench 4 and X-axis 10, Y-axis 11, Z axis 9, wherein X-axis 10, Y-axis 11 adopt gear ﹠ rack structure to realize rectilinear motion, and Z axis 9 is realized rectilinear motion for screw structure.

Revolution cutting head 5 is independently modules, and it is fixedly mounted on the crossbeam of X-Y-Z mechanical system 2.According to shown in Figure 3, revolution cutting head 5 comprises that mainly A axle 8, fixed mount 18, B axle 12, cantilever 19, burning torch 15, connecting plate 20 and three-dimensional anticollision automatic reset device 6 form, A axle 8 is installed on the fixed mount 18, and link to each other with cantilever 19 by drive unit, drive cantilever 19 and be rotated motion, the lower end of cantilever 19 connects B axle 12, burning torch 15 is installed on the B axle 12 by three-dimensional anticollision automatic reset device 6, the interlock of A axle 8 and B axle 12 makes burning torch realize bevel angle, realizes the groove processing of 15 pairs of sheet materials 22 of burning torch by the 5-axis movement of digital control system 1 control.

Fixed mount 18 belows are equipped with preventing collision protection support 14; the lower end of cantilever 19 is provided with slide rail 7; B axle 12 is connected by slide rail 7 with cantilever 19; B axle 12 lower ends are connected with pallet 16; pallet 16 is made annular or the semi-circular structure of the circle of hollow, square or other shape; be equiped with universal wheel 17 below the pallet 16, and be pressed in by universal wheel 17 and be cut sliding and running on the sheet material 22.

Under the duty, burning torch 15 is subject to the duplicate protection of preventing collision protection support 14 and three-dimensional anticollision automatic reset device 6 in running.The pallet 16 of B axle 12 lower ends is pressed on the sheet material 22 by universal wheel 17 always and slides, height variation along with sheet material 22, pallet 16 drive B axles 12 move up and down along the accurate slide rail of cantilever 19, are carrying out synchronously conversion, thereby are guaranteeing the accurate control of height between burning torch 15 and the sheet material 22.Part angle is mainly by 12 rotations of B axle and the 8 common generations of rotation (being referred to as the match angle) of A axle during work.Because pallet 16 has solved the height control problem between burning torch 15 and the sheet material 22, only need B axle 12 is rotated to an angle, revise again the angular error of B axle 12 rotations in the cutting process by 8 rotations of A axle, just can solve the bevel cut error problem that produces in the present plasma cutting process, make the plasma cutting realize the cutting of zero error groove.

Claims

1. numeric control groove cutting machine; comprise digital control system; the X-Y-Z mechanical system; electrical control cabinet and revolution cutting head; the X-Y-Z mechanical system is the three-dimensional motion system of a planer-type; comprise workbench; X-axis; Y-axis and Z axis; X-axis; Y-axis and Z axis are three linear axis; the revolution cutting head is installed on the crossbeam of X-Y-Z mechanical system; the revolution cutting head comprises the A axle; fixed mount; the B axle; cantilever; burning torch; connecting plate and three-dimensional anticollision automatic reset device form; the A axle is installed on the fixed mount; and link to each other with cantilever by drive unit; the lower end of cantilever connects the B axle; burning torch is installed on the B axle by three-dimensional anticollision automatic reset device, and the fixed mount below is provided with the preventing collision protection support, it is characterized in that the lower end of described cantilever is provided with slide rail; the B axle is connected by slide rail with cantilever, and described B axle lower end is connected with pallet.

2. numeric control groove cutting machine according to claim 1 is characterized in that being provided with universal wheel below the pallet of described B axle lower end.

3. numeric control groove cutting machine according to claim 1 and 2, the pallet that it is characterized in that described B axle lower end are the annular of hollow or semi-circular.