High-precision welding numerical control machine tool
Technical Field
The invention relates to the technical field of shell welding, in particular to a high-precision welding numerical control machine tool.
Background
The small metal storage tank has the characteristics of high strength, good sealing performance, capability of bearing certain pressure and the like, has important storage functions in chemical production, laboratory research and energy supply, is generally of a sphere structure, is generally welded into a sphere structure through a splice welding mode during production, is provided with a hollow groove at the upper end of a spherical shell and is used for communicating the inside of the shell with the outside, support columns are symmetrically arranged on the side surfaces of the spherical shell, a few volatile and corrosive liquids are generally stored in the spherical shell, and the spherical shell is generally made of materials which are not easy to corrode such as aluminum alloy.
Because small-size metal holding vessel forms through the welding of a plurality of layers of parts, therefore the jar body surface has many welding seams, the welding seam receives pressure and corrosive liquids's contact for a long time under probably takes place the fracture, in order to improve the utilization ratio of jar body, jar body after long-time use is under the detection of ultrasonic detector, reduce rigidity or the welding that appears the condition such as slag inclusion carries out the re-welding, thereby increase the life of jar body, when welding jar body, weld the welding seam department outside the jar body through the welding rifle, let in inert gas to welding seam department when welding, prevent that the metal jar body from reacting with air under high temperature, but because jar body's thickness is thinner, the temperature of the inboard position of welding seam is easy to take place oxidation reaction with air when welding, reduce the whole quality of jar body after the welding, when the present device welds jar body, can not guarantee that the welding rifle is totally perpendicular with welding seam department, welding region is heated evenly, phenomenon such as slag inclusion appears easily.
Disclosure of Invention
The invention aims to solve the defects in the background technology and provides a high-precision welding numerical control machine tool.
In order to achieve the purpose, the technical scheme includes that the high-precision welding numerical control machine tool comprises a main body plate, wherein a lifting sealing mechanism for sealing a welding position inside a tank body is arranged at the upper end of the main body plate, the lifting sealing mechanism comprises a sixth electric telescopic rod fixedly penetrating through the upper end of the main body plate, a fixed rod is fixedly connected to the telescopic end of the sixth electric telescopic rod, a sixth motor is fixedly connected to the inner end of the fixed rod, a fixed plate is fixedly connected to the driving shaft end of the sixth motor, fourth empty slots are symmetrically formed in two sides of the fixed plate, rotating blocks are rotatably arranged in the two fourth empty slots, a seventh electric telescopic rod is fixedly connected to the side faces of the two rotating blocks respectively, a fifth fixed body is fixedly connected to the telescopic end of one seventh electric telescopic rod, an ultrasonic wave probe is fixedly connected to the telescopic end of the other seventh electric telescopic rod, a rotating welding mechanism for vertically welding the surface of the tank body is arranged at the upper end of the main body plate, and a movable tank body is arranged at the lower end of the main body plate.
Preferably, the side face of the fixing plate is fixedly connected with two fifth motors, the driving shaft ends of the two fifth motors are respectively and fixedly connected with the rotating block, a third empty slot is formed in the side face of the fifth fixing body, an inert gas tank is fixedly connected with the side face of the fifth fixing body, a gas pipe penetrates through the side face of the fifth fixing body, and the other end of the gas pipe is communicated with the inert gas tank.
Preferably, the side of the fifth fixed body is provided with a second limit groove, a plurality of circumferentially arranged pressure sensors are fixedly connected in the second limit groove, the ends of the pressure sensors are respectively fixedly connected with springs, the other ends of the springs are fixedly connected with flexible rings which are in sliding fit with the second limit groove, and a plurality of air outlet holes are formed in the side of the flexible rings.
Preferably, the rotation welding mechanism comprises a rotation groove formed in the upper end of a main body plate, a cavity communicated with the rotation groove is formed in the upper end of the main body plate, a fixing ring is rotationally connected to the main body plate in the cavity, two second fixing bodies which are symmetrically arranged are fixedly connected to the upper ends of the fixing rings, a first limit groove is formed in the upper ends of the second fixing bodies respectively, two first motors are fixedly connected to the side faces of the second fixing bodies respectively, threaded rods are fixedly connected to the driving shaft ends of the first motors respectively, limit bodies are connected to the side faces of the two threaded rods respectively through threaded fit, and the side faces of the limit bodies are respectively arranged in sliding fit with the first limit grooves, and third electric telescopic rods are fixedly connected to the upper ends of the limit bodies respectively.
Preferably, a telescopic end part of the third electric telescopic rod is fixedly connected with a third fixing body, a first empty slot is formed in the upper end of the third fixing body, the third fixing body is rotationally connected with a fourth electric telescopic rod in the first empty slot, a side face of the third fixing body is fixedly connected with a third motor, a transmission shaft end of the third motor is fixedly connected with a side face of the fourth electric telescopic rod, and a sealing type welding device is fixedly connected with the telescopic end part of the fourth electric telescopic rod.
Preferably, the telescopic end of the third electric telescopic rod is fixedly connected with a fourth fixed body, a second empty slot is formed in the side face of the fourth fixed body, a fifth electric telescopic rod is rotatably connected in the second empty slot, a fourth motor is fixedly connected to the side face of the fourth fixed body, the transmission shaft end of the fourth motor is fixedly connected with the side face of the fifth electric telescopic rod, and a sealing type welding device is fixedly connected to the telescopic end of the fifth electric telescopic rod.
Preferably, the cavity is internally and fixedly connected with a second motor, the transmission shaft end of the second motor is fixedly connected with a gear, and the side surface of the fixed ring is fixedly connected with a toothed ring meshed with the gear.
Preferably, the movable clamping mechanism comprises two first electric telescopic rods symmetrically arranged at the lower end of the main body plate, the telescopic end parts of the four first electric telescopic rods are respectively and fixedly connected with first fixing bodies, the lower ends of the four first fixing bodies are respectively and rotatably connected with idler wheels, the upper end of the main body plate is provided with four first placing grooves symmetrically arranged, the four first placing grooves are respectively and fixedly connected with second electric telescopic rods, and the telescopic end parts of the four second electric telescopic rods are respectively and fixedly connected with limiting blocks.
Compared with the prior art, the invention has the following beneficial effects:
The rotation of a fifth motor is controlled through a plurality of pressure sensors on the side surface of the fifth fixed body, the values of the symmetrical pressure sensors are consistent, so that the fifth fixed body is vertical to a welding position, the fifth motor drives two seventh electric telescopic rods to rotate to a position aligned with a welding line, then the two seventh electric telescopic rods stretch to drive a flexible ring on the side surface of the fifth fixed body and an ultrasonic detector to contact with the inner wall of a tank body, then an inert gas tank and a sixth motor are started, at the moment, the inert gas tank is filled with inert gas through a gas transmission pipe, the ultrasonic detector can detect the problem that the welding line has air holes and the like and reduces the connection strength when rotating, and drives the fifth fixed body to rotate to a position with weak connection strength, meanwhile, the second motor drives a gear to rotate, gear meshing drives the fixed rings to rotate, the second motor is connected with the sixth motor through a wire, and when the ultrasonic detector detects the upper part of the ultrasonic detector, the second motor drives the second fixed body of the fourth fixed body to rotate to the position identical to the position of the fifth fixed body, and then the ultrasonic detector drives the fifth fixed body to rotate to the position of the fifth fixed body, and the fifth motor is driven to the position of the fifth fixed body to the welding line, and the welding position of the fifth fixed body is welded to the fifth fixed body, and the welding position of the fifth fixed body is vertical to the welding position, and the welding position of the welding device is sealed;
when welding, the inert gas tank can guarantee that the third empty slot is filled with inert gas, prevents that jar body inboard from taking place the reaction with the air under high temperature, simultaneously, gas is discharged through a plurality of venthole, and the direction of a plurality of venthole corresponds to jar body, and the gas of blowing off can blow away the impurity of jar body inside, prevents the impurity of jar body inner wall and bonds at jar body inner wall under the high temperature, improves jar body's quality.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the whole structure of the present invention;
FIG. 3 is a cross-sectional view of the whole of the present invention;
FIG. 4 is a second overall cross-sectional view of the present invention;
FIG. 5 is an enlarged view of the invention at A of FIG. 3;
FIG. 6 is an enlarged view of the invention at B of FIG. 3;
FIG. 7 is an enlarged view of FIG. 3 at C in accordance with the present invention;
FIG. 8 is an enlarged view of FIG. 3D of the present invention;
fig. 9 is an enlarged view of fig. 4 at E in accordance with the present invention.
1. A main body plate; 2, moving the clamping mechanism; 3, rotating the welding mechanism; the lifting sealing mechanism comprises a lifting sealing mechanism, a lifting mechanism, a fixing lifting mechanism, a fixing mechanical lifting mechanism, a fixing fixed.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
Referring to fig. 1-9, a high-precision welding numerical control machine tool comprises a main body plate 1, wherein a lifting sealing mechanism 4 for sealing a welding position in a tank body is arranged at the upper end of the main body plate 1.
The lifting sealing mechanism 4 comprises a sixth electric telescopic rod 41 fixedly penetrating through the upper end of the main body plate 1, a fixing rod 416 is fixedly connected to the telescopic end portion of the sixth electric telescopic rod 41, a sixth motor 418 is fixedly connected to the inner end of the upper end of the fixing rod 416, a fixing plate 413 is fixedly connected to the driving shaft end of the sixth motor 418, fourth empty slots 414 are symmetrically formed in two sides of the fixing plate 413, rotating blocks 412 are rotatably arranged in the fourth empty slots 414, seventh electric telescopic rods 42 are fixedly connected to the side faces of the rotating blocks 412 respectively, a fifth fixing body 45 is fixedly connected to the telescopic end portion of each seventh electric telescopic rod 42, and an ultrasonic probe is fixedly connected to the telescopic end portion of each seventh electric telescopic rod 42.
The side of the fixed plate 413 is fixedly connected with two fifth motors 415, the driving shaft ends of the two fifth motors 415 are respectively and fixedly connected with the rotating block 412, the side of the fifth fixed body 45 is provided with a third empty slot 46, the side of the fifth fixed body 45 is fixedly connected with an inert gas tank 44, the side of the fifth fixed body 45 is provided with a gas pipe 43 in a penetrating way, and the other end of the gas pipe 43 is communicated with the inert gas tank 44.
The side of the fifth fixing body 45 is provided with a second limit groove 47, a plurality of circumferentially arranged pressure sensors 49 are fixedly connected in the second limit groove 47, the ends of the plurality of pressure sensors 49 are respectively fixedly connected with springs 48, the other ends of the plurality of springs 48 are fixedly connected with a flexible ring 410 which is in sliding fit with the second limit groove 47, and a plurality of air outlet holes 411 are formed in the side of the flexible ring 410.
Specifically, the fifth motor 415 is started, and the rotation of the fifth motor 415 is controlled by a plurality of pressure sensors 49 on the side surface of the fifth fixed body 45, so that the values of a plurality of symmetrical pressure sensors 49 are consistent, and the fifth fixed body 45 is ensured to be perpendicular to the welding position, and the fifth motor 415 drives the two seventh electric telescopic rods 42 to rotate to the position aligning to the welding seam.
The upper end of the main body plate 1 is provided with a rotary welding mechanism 3 for vertically welding the outer surface of the tank body.
The rotation welding mechanism 3 comprises a rotation groove 31 formed in the upper end of the main body plate 1, a cavity 38 communicated with the rotation groove 31 is formed in the upper end of the main body plate 1, a fixing ring 32 is rotationally connected to the main body plate 1 in the cavity 38, two symmetrically arranged second fixing bodies 33 are fixedly connected to the upper end of the fixing ring 32, first limit grooves 35 are formed in the upper ends of the second fixing bodies 33 respectively, first motors 34 are fixedly connected to the side faces of the two second fixing bodies 33 respectively, threaded rods 37 are fixedly connected to driving shaft ends of the two first motors 34 respectively, limit bodies 311 are connected to the side faces of the two threaded rods 37 respectively through threaded fit, the side faces of the two limit bodies 311 are respectively arranged in a sliding fit mode with the first limit grooves 35, and third electric telescopic rods 312 are fixedly connected to the upper ends of the two limit bodies 311 respectively.
The telescopic end of the third electric telescopic rod 312 is fixedly connected with a third fixing body 313, a first empty groove 314 is formed in the upper end of the third fixing body 313, a fourth electric telescopic rod 315 is rotationally connected to the third fixing body 313 in the first empty groove 314, a third motor 316 is fixedly connected to the side face of the third fixing body 313, the driving shaft end of the third motor 316 is fixedly connected with the side face of the fourth electric telescopic rod 315, and a sealing type welding device 317 is fixedly connected to the telescopic end of the fourth electric telescopic rod 315.
The other telescopic end of the third electric telescopic rod 312 is fixedly connected with a fourth fixed body 318, a second hollow groove 319 is formed in the side surface of the fourth fixed body 318, a fifth electric telescopic rod 321 is rotationally connected in the second hollow groove 319, a fourth motor 320 is fixedly connected to the side surface of the fourth fixed body 318, a driving shaft end of the fourth motor 320 is fixedly connected with the side surface of the fifth electric telescopic rod 321, and a sealing type welding device 317 is fixedly connected to the telescopic end of the fifth electric telescopic rod 321.
The cavity 38 is fixedly connected with a second motor 39, a gear 310 is fixedly connected with the driving shaft end of the second motor 39, and a toothed ring 36 meshed with the gear 310 is fixedly connected with the side surface of the fixed ring 32.
Specifically, the second motor 39 drives the gear 310 to rotate, the gear 310 engages to drive the fixed ring 32 to rotate, the fixed ring 32 drives the two second fixing bodies 33 to rotate, the second motor 39 is communicated with the sixth motor 418 through wires, and when the ultrasonic detector detects a partial welding seam at the position, the second motor 39 drives the second fixing body 33 of the fourth fixing body 318 to rotate to the position of the same vertical plane as the fifth fixing body 45.
The lower end of the main body plate 1 is provided with a movable clamping mechanism 2 for moving and fixing the tank body.
The movable clamping mechanism 2 comprises two first electric telescopic rods 21 symmetrically arranged at the lower end of the main body plate 1, four telescopic ends of the first electric telescopic rods 21 are respectively and fixedly connected with first fixing bodies 22, four lower ends of the first fixing bodies 22 are respectively and rotatably connected with idler wheels 23, four first placing grooves 24 symmetrically arranged are formed in the upper end of the main body plate 1, four second electric telescopic rods 25 are respectively and fixedly connected with the first placing grooves 24, and telescopic ends of the four second electric telescopic rods 25 are respectively and fixedly connected with limiting blocks 26.
Specifically, the main body plate 1 moves to the lower part of the tank body through the four rollers 23, at this time, the sixth electric telescopic rod 41 is contracted, the two seventh electric telescopic rods 42 are in a vertical state, then the four second electric telescopic rods 25 are extended, and the four second electric telescopic rods 25 drive the limiting blocks 26 to fix the lower end of the tank body.
When in use, the main body plate 1 is moved to the lower part of the tank body through the four rollers 23, at the moment, the sixth electric telescopic rod 41 is contracted, the two seventh electric telescopic rods 42 are in a vertical state, then the four second electric telescopic rods 25 are extended, the four second electric telescopic rods 25 drive the limiting blocks 26 to fix the lower end of the tank body, then the sixth electric telescopic rods 41 are extended, the sixth electric telescopic rods 41 drive the fixing plates 413 to move into the tank body, then the two seventh electric telescopic rods 42 are extended, meanwhile, the fifth motor 415 is started, the rotation of the fifth motor 415 is controlled through the pressure sensors 49 on the side face of the fifth fixing body 45, the values of the symmetrical pressure sensors 49 are consistent, so that the fifth fixing body 45 is vertical to the welding position, the fifth motor 415 drives the two seventh electric telescopic rods 42 to rotate to the position aligning with the welding seam, then the two seventh electric telescopic rods 42 are extended to drive the flexible ring 410 and the ultrasonic detector at the side surface of the fifth fixed body 45 to contact with the inner wall of the tank body, then the inert gas tank 44 and the sixth motor 418 are started, at this time, the inert gas tank 44 fills the third empty slot 46 with inert gas through the gas pipe 43, the ultrasonic detector can detect the problem that the weld joint has air holes and the like and reduces the connection strength while rotating, and drive the fifth fixed body 45 to rotate to the position with weaker connection strength, meanwhile, the second motor 39 rotates, the second motor 39 drives the gear 310 to rotate, the gear 310 is meshed to drive the fixed ring 32 to rotate, the fixed ring 32 drives the two second fixed bodies 33 to rotate, the second motor 39 is communicated with the sixth motor 418 through wires, when the ultrasonic detector detects the weld joint at the upper part of the position, at this time, the second motor 39 drives the second fixed body 33 of the fourth fixed body 318 to rotate to the position of the same vertical plane as the fifth fixed body 45, and then the fourth motor 320 drives the fifth electric telescopic rod 321 to rotate to the position of the fifth fixed body 45 collinear, so that the welding position is vertically welded by the sealing welder 317, and the quality of the welded seam is improved.
During welding, the inert gas tank 44 can ensure that the third empty groove 46 is filled with inert gas, so that the inner side of the tank body is prevented from reacting with air at high temperature, meanwhile, gas is discharged through the plurality of gas outlet holes 411, the direction of the plurality of gas outlet holes 411 corresponds to the tank body, the blown gas can blow away impurities on the inner wall of the tank body, the impurities on the inner wall of the tank body are prevented from being bonded on the inner wall of the tank body at high temperature, and the quality of the tank body is improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.