CN211991378U - A synchronous friction welding equipment for the four corners of the frame of a large outdoor machine - Google Patents

Abstract

The utility model discloses a large outdoor machine frame four-corner synchronous friction welding device, which comprises a machine table base, a workbench, a triaxial welding module connecting bridge and a triaxial welding module, wherein the workbench is arranged on the machine table base; the three-axis welding module comprises four three-axis welding modules arranged at four corners of the machine base; the three-axis welding module comprises a moving module and a welding module, and the three-axis welding module connecting bridge comprises two axis welding module connecting bridges which are connected with opposite three-axis welding modules; the moving module comprises a Y-axis moving module, an X-axis moving module and a Z-axis moving module; the welding module comprises a welding main shaft arranged on the Z-axis moving module and a welding bow arranged on the welding main shaft and used for friction welding. The utility model discloses equipment, through adopting four system control four triaxial linkage friction weld modules of group, two liang of relative installations of triaxial linkage welding module are to jumbo size product, replace small-size friction weld equipment, a clamping, the synchronous friction weld in four corners.

Description

A synchronous friction welding equipment for the four corners of the frame of a large outdoor machine

technical field

The utility model relates to the technical field of automatic processing equipment, in particular to a synchronous friction welding equipment for the four corners of a frame of a large outdoor machine.

Background technique

With the development of modern industry, outdoor electronic screens have developed very rapidly in the past 3-5 years, and have occupied almost all fields that can be developed. Many terminals and channels in people's living space will have outdoor electronic screens. Outdoor electronic screens are installed outdoors, often exposed to the sun and rain, wind and dust cover, and the working environment is harsh. The screen body and the junction of the screen body and the building must be strictly waterproof and leak-proof. At present, outdoor units on the market have gradually developed from small sizes to super large outdoor units of 85 inches and above. For such frames, in order to meet the requirements of outdoor harsh environments, they are all high-strength aluminum alloy protective frames. Traditional assembly and splicing are difficult to meet the use requirements.

The small friction welding equipment currently used in production and processing can only weld four splices one by one. To complete a complete frame welding manufacturing requires four processes and four clampings. The precision control requirements for each clamping are high, and the splicing angle occurs. Deviation, it is difficult to complete the final fourth corner splicing or splicing out a distorted rectangular frame. Therefore, the current four corners one by one application of friction welding splicing manufacturing process has a low yield rate, resulting in waste of human and material resources, and low production capacity. The production efficiency is too low in response to the market demand for mass production, and the market competitiveness in the same industry is insufficient.

In addition, the current traditional machine tool spindle is mainly parallel to the Z axis and perpendicular to the XOY plane. For the splicing of large-size outdoor machine frames, friction welding is applied, and the side splicing gap welding requires the side of the frame product to be upward and parallel to the XOY plane. Clamping, while Frame products are large in both long and short sides, so that the Z-axis travel of the machine tool cannot meet the processing requirements, and this clamping method is also extremely unstable in welding applications.

Utility model content

The purpose of this utility model is to provide a large-scale outdoor machine frame four-corner synchronous friction welding equipment, including four groups of friction modules arranged at the four corners of the equipment, which can realize the four-corner synchronous friction welding, by using four systems to control four groups of three-axis linkage friction Welding modules and three-axis linkage welding modules are installed opposite each other. For large-size products, it can replace small friction welding equipment. One-time clamping and four-corner synchronous friction welding can achieve high productivity, low investment, and reduced labor costs. The existing Efficient use of equipment to enhance industry competitiveness.

For achieving the above object, the technical scheme adopted by the present utility model is:

A large-scale outdoor machine frame four-corner synchronous friction welding equipment, including a machine base, a workbench, a three-axis welding module connection bridge and a three-axis welding module, the workbench is used for placing and fixing the products to be welded, and is arranged on the The upper end surface of the machine base; the three-axis welding module includes a first three-axis welding module, a second three-axis welding module, and a third three-axis welding mold respectively arranged at the four corners of the machine base group and a fourth three-axis welding module; the three-axis welding module includes a moving module and a welding module arranged on the module support plate, and the three-axis welding module connection bridge includes the first three-axis welding module connection bridge and the second axis welding module connecting bridge, the first three axis welding module connecting bridge connects the first three axis welding module support plate and the fourth three axis welding module supporting plate, the second axis welding module A set of connecting bridges connects the second three-axis welding module support plate and the third three-axis welding module support plate; the moving module comprises a Y-axis moving module arranged at the bottom end, a Y-axis moving module arranged on the Y-axis moving module The X-axis moving module at the upper end of the group and the Z-axis moving module arranged on the upper end of the X-axis moving module; the welding module comprises a welding spindle arranged on the Z-axis moving module and a welding spindle arranged on the Welding bow for friction welding on the welding spindle.

As a further improvement of the present invention, it also includes a frame, which is arranged at the lower end of the machine base, and includes a support bar and a support foot; the workbench includes several A first support plate and a second support plate arranged on the first support plate.

As a further improvement of the present invention, the Y-axis moving module includes a first mounting plate, a motor mounting seat, a servo motor, a slide rail, a slider, a coupling, a ball screw and a first bearing support; the The first mounting plate is mounted on the module support plate, and the slide rail includes a first slide rail, a fourth slide rail arranged on the module support plate, and a second slide rail and a third slide rail arranged on the first mounting plate. Each slide rail is provided with a slide block, and the slide blocks of the second slide rail and the third slide rail are provided with second mounting plates, which are arranged on the upper end surfaces of the slide blocks of the first slide rail and the fourth slide rail and The height of the upper end surface of the second mounting plate is the same, and the third mounting plate is arranged thereon; the motor mounting seat is arranged on the first mounting plate, the servo motor is arranged on the motor mounting seat, and the ball The lead screw includes a ball nut and a screw rod. The servo motor and the first bearing support are respectively arranged at the ends of both sides of the screw rod. The coupling is arranged on the side of the screw rod close to the servo motor. The ball nut and the second mounting plate are connected and fixed to each other.

The Y-axis moving module in the equipment of the utility model has an effective processing stroke of 100mm for the Y-axis, and adopts a high-precision ball screw and four sliding rails and eight sliding blocks combined module, which can effectively ensure the high-speed and stable operation of the camel-loaded X/Z axis. Medium inertia 400W servo motor, high-torque dual-die coupling for connection and drive, the running accuracy reaches 0.005mm.

As a further improvement of the present invention, the X-axis moving module includes a motor mounting seat, a servo motor, a slide rail, a slider, a coupling, a ball screw and a second bearing support. The fifth slide rail and the sixth slide rail on the third mounting plate, the slide rail is provided with a sliding block, and the sliding block is provided with a fourth mounting plate; the motor mounting seat is provided on the third mounting plate, so The servo motor is arranged on the motor mounting seat, the ball screw includes a ball nut and a screw rod, the servo motor and the second bearing support are respectively arranged at the ends of both sides of the screw rod, and the coupling is arranged at the end of the screw. On the side of the screw rod close to the servo motor, the ball nut and the fourth mounting plate are connected and fixed to each other.

The X-axis moving module in the equipment of the utility model has an effective processing stroke of 600mm for the Z-axis, and adopts a high-precision ball screw and a combination module with double slide rails and four sliders, which can ensure the stability of high-speed operation, and adopts a medium inertia 400W servo motor. High-torque dual-die coupling is connected to drive, and the running accuracy reaches 0.005mm.

As a further improvement of the present invention, a number of fixing plates are vertically arranged on the end surface of the fourth mounting plate, the fixing plates are parallel to the Y-axis direction, and a fifth mounting plate is also provided on the side of the fixing plate that points to the inside of the device .

As a further improvement of the present invention, the Z-axis moving module includes a motor mounting seat, a servo motor, a slide rail, a slider, a coupling, a ball screw and a third bearing support. The seventh slide rail and the eighth slide rail on the fifth mounting plate, the slide rail is provided with a slider, the slider is provided with a sixth mounting plate; the motor mounting seat is provided on the fifth mounting plate, so The servo motor is arranged on the motor mounting seat, the ball screw includes a ball nut and a screw rod, the servo motor and the third bearing support are respectively arranged at the ends of both sides of the screw rod, and the coupling is arranged at the end of the screw. On the side of the screw rod close to the servo motor, the ball nut and the sixth mounting plate are connected and fixed to each other.

The Z-axis moving module in the equipment of the utility model has an effective processing stroke of 100mm for the Z-axis, and adopts a high-precision ball screw and a combination module with double slide rails and four sliders. Z verticality and running rigidity can effectively ensure the stability of high-speed operation; adopt medium inertia 400W servo motor, high-torque dual-die coupling for connection and drive, and the running accuracy reaches 0.005mm.

As a further improvement of the present invention, the other end face of the sixth mounting plate is provided with a welding spindle fixing mechanism, and a through hole for passing the welding spindle is provided at the center of the welding spindle fixing mechanism.

As a further improvement of the utility model, the welding spindle is a 18000r/m, 5.5kw constant torque water-cooled spindle, which ensures constant output torque and ensures the quality of friction welding during high-speed friction welding.

As a further improvement of the present invention, it also includes a product positioning clamp arranged on the second support plate, which includes a fixed clip fixed on the upper surface of the second support plate, and a fixed clip on the same axis as the fixed clip. The center line, the movable chuck that can move horizontally relative to the positioning frame, the movable chuck and the control device of the equipment are electrically connected to each other.

As a further improvement of the present invention, it also includes side pressure clamps arranged on the four corners of the second support plate, the side pressure clamps are matched in pairs, and the side pressure clamps include a clamp main body and a front pressing block disposed at the front end of the clamp main body. and a lower pressing block arranged at the lower end of the fixture main body, the fixture main body and the control device of the equipment are electrically connected to each other, the upper end face of the lower pressing block and the rear end face of the front pressing block are both inclined downward slopes, The lower end of the rear end face of the front pressing block is provided with a concave portion matching the front end of the lower pressing block.

The beneficial effects of the present utility model are:

1. The large-scale outdoor frame frame four-corner synchronous friction welding equipment of the present utility model includes four groups of friction modules arranged at the four corners of the equipment, which can realize four-corner synchronous friction welding. By using four systems to control four groups of three-axis linkage friction welding modules, three The shaft linkage welding modules are installed opposite to each other. For large-size products, it can replace small friction welding equipment, one-time clamping, four-corner synchronous friction welding, high productivity, low cost investment, reduced labor cost investment, and efficient use of existing equipment.

2. The four-corner synchronous friction welding equipment for the frame of the large outdoor machine of the present utility model, four independent three-axis linkage modules are distributed in the four corners of the rectangle. The effective distance between three-axis modules is 900mm to 1600mm, and the effective distance between two or three-axis modules in the short-side direction is 400mm to 1200mm. The equipment work surface can meet the four-sided splicing and clamping of any size between 55-inch-85-inch borders.

3. The four-corner synchronous friction welding equipment for the frame of the large outdoor machine of the present utility model, by changing the installation method of the welding spindle, the spindle is installed in the direction of the vertical XOY plane to the direction of the parallel XOY plane and the vertical YOZ plane, which can not only ensure the horizontal placement of the product and the fixture The stability of the tooling can also meet the process requirements of the side welding of the product, and at the same time, the travel requirements of the Z-axis of the equipment are also greatly reduced to ensure the structural stability of the machine tool.

4. The utility model is a large-scale outdoor machine frame four-corner synchronous friction welding equipment. The three-axis machining center module at the four corners is independently controlled by four sets of new-generation machining center control systems. The four splicing corner friction welding processes operate independently of each other and do not interfere with each other It is also convenient for equipment debugging; after the debugging is normal, the automatic operation adopts four-corner synchronous processing, which saves man-hours and ensures the safety of operators.

In order to illustrate the structural features and effects of the present invention more clearly, it will be described in detail below with reference to the accompanying drawings and specific embodiments.

Description of drawings

Figure 1 is a schematic diagram of the overall shape and structure of the four-corner synchronous friction welding equipment for the frame of a large outdoor machine;

Figure 2 shows the top view of the synchronous friction welding equipment for the four corners of the frame of the large outdoor machine;

Figure 3 shows the front view of the synchronous friction welding equipment for the four corners of the frame of the large outdoor machine;

Figure 4 shows the side view of the synchronous friction welding equipment for the four corners of the frame of the large outdoor machine;

FIG. 5 is a schematic structural diagram of the Y-axis three-axis module in FIG. 1;

Fig. 6 shows the structural representation of the X-axis three-axis module in Fig. 1;

Fig. 7 shows the structural representation of the Z-axis three-axis module in Fig. 1;

FIG. 8 is a schematic structural diagram of the lateral pressure clamp in FIG. 1;

Figures: 1. Frame; 2. Machine base; 31. The first three-axis welding module connection bridge; 32. The second three-axis welding module connection bridge; 4. The first three-axis welding module; 5. Y-axis three-axis module; 51, the first mounting plate; 52, the first bearing support; 53, the first slide rail; 54, the fourth slide rail; 55, the second slide rail; 56, the third slide rail; 57. The second mounting plate; 6. The X-axis three-axis module; 61. The third mounting plate; 62, The second bearing support; 63, The fifth slide rail; 64, The sixth slide rail; 65, The fourth installation plate; 66, fixed plate; 7, welding spindle; 8, Z-axis three-axis module; 81, fifth mounting plate; 82, third bearing support; 83, seventh slide rail; 84, eighth slide rail; 85, the sixth mounting plate; 86, the welding spindle fixing mechanism; 9, the workbench; 91, the first support plate; 92, the second support plate; 10, the side pressure fixture; 101, the fixture body; 102, the front pressure block ;103, lower pressing block; 11, motor mounting seat; 12, servo motor; 13, product positioning and clamping; 131, fixed chuck; 132, movable chuck; 14, second three-axis welding module; 15, Coupling; 16. The third three-axis welding module; 17. The welding bow; 18. The ball screw 19. The fourth three-axis welding module.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Referring to the accompanying drawings 1-8, the four-corner synchronous friction welding equipment for the frame of a large outdoor machine provided in this embodiment includes a machine base 2, a worktable 9, a three-axis welding module connection bridge and a three-axis welding module. The worktable 9 is used to place and fix the product to be welded, which is arranged on the upper end surface of the machine base 2; the three-axis welding module includes the first three-axis welding module respectively arranged at the four corners of the machine base 2 4. The second three-axis welding module 14, the third three-axis welding module 16 and the fourth three-axis welding module 19; the three-axis welding module includes a moving module and a welding module arranged on the module support plate , the three-axis welding module connecting bridge includes a first three-axis welding module connecting bridge 31 and a second three-axis welding module connecting bridge 32, the first three-axis welding module connecting bridge 31 is connected to the first three-axis The welding module support plate and the fourth three-axis welding module support plate, the second-axis welding module connecting bridge 32 connects the second three-axis welding module support plate and the third three-axis welding module support plate; The moving module comprises a Y-axis moving module 5 arranged at the bottom end, an X-axis moving module 6 arranged at the upper end of the Y-axis moving module 5 and a Z-axis arranged at the upper end of the X-axis moving module 6. A moving module 8; the welding module includes a welding spindle 7 arranged on the Z-axis moving module 8 and a welding bow 17 arranged on the welding spindle 7 for friction welding.

The four-corner synchronous friction welding equipment for the frame of a large outdoor machine in this embodiment further includes a frame 1, which is arranged at the lower end of the machine base 2 and includes a support bar and a support foot; the workbench 9 includes a plurality of first support plates 91 arranged on the upper end surface of the machine base 2 and a second support plate 92 arranged on the first support plates 91 .

In the synchronous friction welding equipment for the four corners of the frame of a large outdoor machine in this embodiment, the Y-axis moving module 5 includes a first mounting plate 51, a motor mounting seat 11, a servo motor 12, a slide rail, a slider, a coupling 15, The ball screw 18 and the first bearing support 52; the first mounting plate 51 is mounted on the module support plate, and the slide rail includes a first slide rail 53 and a fourth slide rail 54 arranged on the module support plate and the second slide rail 55 and the third slide rail 56 arranged on the first mounting plate 51, each slide rail is provided with a slider, and the sliders of the second slide rail 55 and the third slide rail 56 are provided with a second slide rail 55 and a third slide rail 56. Two mounting plates 57, the upper end surfaces of the sliders disposed on the first sliding rail 53 and the fourth sliding rail 54 are at the same height as the upper end surface of the second mounting plate 57, and a third mounting plate 61 is arranged on them; the motor is installed The seat 11 is arranged on the first mounting plate 51 , the servo motor 12 is arranged on the motor mounting seat 11 , the ball screw 18 includes a ball nut and a screw, the servo motor 12 and the first The bearing supports 52 are respectively disposed on the two ends of the screw rod, the coupling 15 is disposed on the side of the screw rod close to the servo motor 12 , and the ball nut and the second mounting plate 57 are connected and fixed to each other.

The four-corner synchronous friction welding equipment for the frame of a large outdoor machine in this embodiment, the X-axis moving module includes a motor mount 11, a servo motor 12, a slide rail, a slider, a coupling 15, a ball screw 18, and a second Bearing support 62, the slide rail includes a fifth slide rail 63 and a sixth slide rail 64 arranged on the third mounting plate 61, the slide rail is provided with a slider, and the slider is provided with a fourth mounting plate 65; the motor mounting seat 11 is arranged on the third mounting plate 61, the servo motor 12 is arranged on the motor mounting seat 11, the ball screw 18 includes a ball nut and a screw rod, the servo motor 12 and the The second bearing supports 62 are respectively disposed on the ends of the two sides of the screw rod, the coupling 15 is disposed on the side of the screw rod close to the servo motor, and the ball nut 18 and the fourth mounting plate 65 are connected and fixed to each other.

In the synchronous friction welding equipment for the four corners of the frame of the large outdoor machine in this embodiment, a plurality of fixing plates 66 are vertically disposed on the upper end surface of the fourth mounting plate 65. The fixing plates 66 are parallel to the Y-axis direction, and the fixing plates 66 point to the inside of the device. A fifth mounting plate 81 is also provided on one side of the direction.

In the synchronous friction welding equipment for the four corners of the frame of a large outdoor machine in this embodiment, the Z-axis moving module includes a motor mount 11, a servo motor 12, a slide rail, a slider, a coupling 15, a ball screw 18, and a third The bearing support 82, the slide rail includes a seventh slide rail 83 and an eighth slide rail 84 arranged on the fifth mounting plate 81, the slide rail is provided with a slider, and the slider is provided with a sixth mounting plate 85; the motor mounting seat 11 is arranged on the fifth mounting plate 81, the servo motor 12 is arranged on the motor mounting seat 11, the ball screw 18 includes a ball nut and a screw rod, the servo motor 12 and the The third bearing supports 82 are respectively arranged on both ends of the screw rod, the coupling 15 is arranged on the side of the screw rod close to the servo motor 12 , and the ball nut 18 and the sixth mounting plate 85 are connected and fixed to each other. .

In the synchronous friction welding equipment for the four corners of the frame of the large outdoor machine in this embodiment, the other end face of the sixth mounting plate 85 is provided with a welding spindle fixing mechanism 86, and the center of the welding spindle fixing mechanism 86 is provided with a welding Through hole for spindle 7.

In the large-scale outdoor machine frame four-corner synchronous friction welding equipment in this embodiment, the welding spindle 7 is a 18000r/m, 5.5kw constant-torque water-cooled spindle, which ensures constant output torque during high-speed friction welding and ensures the quality of friction welding. .

The four-corner synchronous friction welding equipment for the frame of a large outdoor machine in this embodiment further includes a product positioning clamp 13 disposed on the second support plate 92 , which includes a fixing clip fixed on the upper end surface of the second support plate 92 The head 131 and the movable chuck 132 which is on the same axis as the fixed chuck 131 and can move horizontally relative to the positioning frame, the movable chuck 132 is electrically connected to the control device of the equipment.

The synchronous friction welding equipment for the four corners of the frame of the large outdoor machine in this embodiment further includes side pressing fixtures 10 disposed on the four corners of the second support plate 92 . , the front pressing block 102 arranged at the front end of the fixture main body 101 and the lower pressing block 103 arranged at the lower end of the fixture main body 101, the fixture main body 101 and the control device of the equipment are electrically connected to each other, and the upper Both the end surface and the rear end surface of the front pressing block 103 are inclined downward slopes.

The design key points of the four-corner synchronous friction welding equipment for the frame of the large outdoor machine in this embodiment are:

1. The four-corner synchronous friction welding equipment for the frame of a large outdoor machine in this embodiment includes four groups of friction modules arranged at the four corners of the equipment, which can realize four-corner synchronous friction welding. By using four systems to control four groups of three-axis linkage friction welding modules , Three-axis linkage welding modules are installed opposite each other, for large-size products, instead of small friction welding equipment, one-time clamping, four-corner synchronous friction welding, to achieve high productivity, low cost investment, reduce labor cost investment, and efficient use of existing equipment .

2. In the synchronous friction welding equipment for the four corners of the frame of the large outdoor machine in this embodiment, four sets of independent three-axis linkage modules are distributed in the four corners of the rectangle. The effective distance between two or three axis modules is 900mm to 1600mm, and the effective distance between two two or three axis modules in the short side direction is 400mm to 1200mm. The equipment work surface can meet any size four-sided splicing between 55-inch-85-inch borders. folder.

3. For the synchronous friction welding equipment at the four corners of the frame of the large outdoor machine in this embodiment, by changing the installation method of the welding spindle, the spindle is installed in the direction of the vertical XOY plane to the direction of the parallel XOY plane and the vertical YOZ plane, which can ensure that the product is placed horizontally And the stability of the fixture tooling can also meet the process requirements of the side welding of the product, and the Z-axis travel requirements of the equipment are also greatly reduced to ensure the structural stability of the machine tool.

4. The four-corner synchronous friction welding equipment for the frame of the large outdoor machine in this embodiment, the three-axis machining center module at the four corners is independently controlled by four sets of new-generation machining center control systems, and the four splicing corner friction welding processes operate independently of each other. Non-interference is also convenient for equipment debugging; after the debugging is normal, four-corner synchronous processing is adopted for automatic operation, which saves man-hours and ensures the safety of operators.

The above descriptions are only preferred embodiments of the present invention, and do not limit the present invention in any form. Any person skilled in the art, without departing from the scope of the technical solution of the present invention, can utilize the methods and technical contents disclosed above to make many possible changes and modifications to the technical solution of the present invention, or be modified to equivalent changes, etc. effective example. Therefore, all equivalent changes made according to the shape, structure and principle of the present utility model without departing from the technical solution of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. a large-scale outdoor machine frame four-corner synchronous friction welding equipment, is characterized in that, comprises machine base, workbench, three-axis welding module connecting bridge and three-axis welding module, and described workbench is used for placing and fixing waiting The welding product is arranged on the upper end surface of the machine base; the three-axis welding module includes a first three-axis welding module, a second three-axis welding module, a second three-axis welding module, The third three-axis welding module and the fourth three-axis welding module; the three-axis welding module includes a moving module and a welding module disposed on the module support plate, and the three-axis welding module connection bridge includes a first A three-axis welding module connection bridge and a second-axis welding module connection bridge, the first three-axis welding module connection bridge connects the first three-axis welding module support plate and the fourth three-axis welding module support plate, so The second axis welding module connection bridge connects the second three axis welding module support plate and the third three axis welding module support plate; the moving module comprises a Y-axis moving module arranged at the bottom end, a The X-axis movement module at the upper end of the Y-axis movement module and the Z-axis movement module arranged at the upper end of the X-axis movement module; the welding module includes a welding module arranged on the Z-axis movement module a main shaft and a welding bow arranged on the welding main shaft for friction welding. 2. The four-corner synchronous friction welding equipment for the frame of a large outdoor machine according to claim 1, further comprising a frame, and the frame is arranged on the lower end of the machine base, and comprises a support bar and a support foot; The workbench includes a plurality of first support plates arranged on the upper end surface of the machine base and a second support plate arranged on the first support plates. 3. The four-corner synchronous friction welding equipment for the frame of a large outdoor machine according to claim 1, wherein the Y-axis moving module comprises a first mounting plate, a motor mounting seat, a servo motor, a slide rail, a slider, a coupling A shaft, a ball screw and a first bearing support; the first mounting plate is mounted on the module support plate, and the slide rail includes a first slide rail, a fourth slide rail and a set of The second slide rail and the third slide rail on the first mounting plate, each slide rail is provided with a slider, and the sliders of the second slide rail and the third slide rail are provided with a second mounting plate, which is arranged on the first slide rail. The upper end faces of the sliders of the first slide rail and the fourth slide rail are at the same height as the upper end face of the second mounting plate, and a third mounting plate is arranged thereon; the motor mounting seat is arranged on the first mounting plate, so The servo motor is arranged on the motor mounting seat, the ball screw includes a ball nut and a screw rod, the servo motor and the first bearing support are respectively arranged at the ends of both sides of the screw rod, and the coupling It is arranged on the side of the screw rod close to the servo motor, and the ball nut and the second mounting plate are connected and fixed to each other. 4. The four-corner synchronous friction welding equipment for the frame of a large outdoor machine according to claim 1, wherein the X-axis moving module comprises a motor mount, a servo motor, a slide rail, a slider, a coupling, a ball wire A rod and a second bearing support, the slide rail includes a fifth slide rail and a sixth slide rail arranged on the third mounting plate, the slide rail is provided with a sliding block, and the sliding block is provided with a fourth mounting plate ; The motor mounting seat is arranged on the third mounting plate, the servo motor is arranged on the motor mounting seat, the ball screw includes a ball nut and a screw, the servo motor and the second bearing support They are respectively arranged at the ends of both sides of the screw rod, the coupling is arranged on the side of the screw rod close to the servo motor, and the ball nut and the fourth mounting plate are connected and fixed to each other. 5 . The four-corner synchronous friction welding equipment for the frame of a large outdoor machine according to claim 1 , wherein a plurality of fixing plates are vertically arranged on the end surface of the fourth mounting plate, and the fixing plates are parallel to the Y-axis direction. A fifth mounting plate is also provided on the side of the plate which is directed towards the inner side of the device. 6 . The four-corner synchronous friction welding equipment for the frame of a large outdoor machine according to claim 5 , wherein the Z-axis moving module comprises a motor mount, a servo motor, a slide rail, a slider, a coupling, and a ball wire. 7 . A rod and a third bearing support, the slide rail includes a seventh slide rail and an eighth slide rail arranged on the fifth mounting plate, the slide rail is provided with a slider, and the slider is provided with a sixth mounting plate ; The motor mount is arranged on the fifth mounting plate, the servo motor is arranged on the motor mount, the ball screw includes a ball nut and a screw, the servo motor and the third bearing support They are respectively arranged at the ends of both sides of the screw rod, the coupling is arranged on the side of the screw rod close to the servo motor, and the ball nut and the sixth mounting plate are connected and fixed to each other. 7 . The four-corner synchronous friction welding equipment for the frame of a large outdoor machine according to claim 6 , wherein the other end face of the sixth mounting plate is provided with a welding spindle fixing mechanism, and the center of the welding spindle fixing mechanism is located at the center of the welding spindle fixing mechanism. A through hole is provided for passing the welding spindle. 8 . The four-corner synchronous friction welding equipment for the frame of a large outdoor machine according to claim 1 , wherein the welding spindle is a 18000r/m, 5.5kw constant torque water-cooled spindle. 9 . 9 . The four-corner synchronous friction welding equipment for the frame of a large outdoor machine according to claim 2 , further comprising a product positioning clamp arranged on the second support plate, which comprises a product fixed on the second support plate. 10 . The fixed chuck on the upper end face and the movable chuck which is on the same axis as the fixed chuck and can move horizontally relative to the positioning frame, the movable chuck and the control device of the equipment are electrically connected to each other. 10 . The synchronous friction welding equipment for four corners of a frame of a large outdoor machine according to claim 2 , further comprising side pressure clamps arranged on the four corners of the second support plate, and the side pressure clamps are matched in pairs, It comprises a fixture body, a front pressing block arranged at the front end of the fixture body, and a lower pressing block arranged at the lower end of the fixture body. The rear end surfaces of the front pressing blocks are inclined downward slopes, and the lower ends of the rear end surfaces of the front pressing blocks are provided with concave portions that match the front ends of the lower pressing blocks.

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