Welding equipment

Abstract

The invention relates to the technical field of welding engineering, in particular to welding equipment which comprises a supporting base, a numerical control mechanical arm, a mounting base, a welding device, a first driving mechanism and a control system, and a connecting mechanism used for detachably connecting the supporting base to the inner side of a box to be welded is arranged at the first end of the supporting base; one end of the numerical control mechanical arm is connected with the supporting seat; the mounting seat is slidably connected to the guide piece, and the welding device is arranged on the mounting seat; the control system controls the numerical control mechanical arm to adjust the guide part, the guide part is adjusted to be parallel to the weld joint on the inner side of the box body at an interval, and then the control system controls the first driving mechanism to drive the mounting base to move along the guide mechanism, so that the welding device can move in the length direction of the weld joint, and welding of the weld joint is achieved. According to the welding equipment, an operator does not need to hold a welding gun in the box body for welding, and the overall operation efficiency of the welding equipment is improved by adjusting the guide piece.

Description

Technical Field

[0001] The invention relates to the technical field of welding engineering, in particular to a welding device. Background Art

[0002] Prefabricated steel components will have some box structures, and the welds inside the boxes need to be welded. Currently, when welding the welds inside the boxes, workers are required to drill into the boxes to perform construction. The construction environment is harsh, there are risks of fire and poisoning, and it is easy to harm the workers' health. Summary of the invention

[0003] The technical problem to be solved by the present invention is that when workers enter the box body to weld the weld inside the box body, the construction environment is bad and it is easy to harm the workers' bodies.

[0004] In order to solve the above technical problems, the object of the present invention is to provide a welding device, comprising:

[0005] A support seat, wherein a first end of the support seat is provided with a connecting mechanism for detachably connecting the support seat to the inner side of the box to be welded;

[0006] A numerical control mechanical arm, one end of which is connected to the second end of the support base, and the other end of which is connected to a guide member;

[0007] A mounting seat, the mounting seat being slidably connected to the guide member;

[0008] A welding device, wherein the welding device is arranged on the mounting seat;

[0009] A first driving mechanism, wherein the first driving mechanism is disposed on the guide member or the mounting seat, and the first driving mechanism is used to drive the mounting seat to move along the guide member;

[0010] A control system, wherein the CNC robot arm and the first driving mechanism are both electrically connected to the control system; the control system controls the CNC robot arm to adjust the guide member so that the guide member is arranged parallel and spaced apart from the weld on the inner side of the box body, and the control system is also used to control the first driving mechanism to drive the mounting seat to move along the guide mechanism so that the welding device welds the weld.

[0011] As a preferred solution, the guide member includes a rack portion and a guide portion, and the mounting seat is slidably disposed on the guide portion;

[0012] The first driving mechanism includes a first motor fixed on the mounting seat and a gear connected to an output end of the first motor, wherein the gear is meshed with the rack portion.

[0013] As a preferred solution, a mounting shaft is fixed to the second end of the support seat, and the CNC robot arm is fixed to an end of the mounting shaft away from the support seat; a welding wire roller is rotatably sleeved on the outer side of the mounting shaft;

[0014] The welding device comprises a wire feeding mechanism arranged on the mounting seat, and the wire feeding mechanism is used to feed the welding wire outside the welding wire roller to the welding seam.

[0015] As a preferred embodiment, the wire feeding mechanism includes a wire feeding roller group and a wire outlet barrel arranged on the mounting seat, and the end of the welding wire passes through the barrel cavities of the wire feeding roller group and the wire outlet barrel in sequence.

[0016] As a preferred solution, the welding device further comprises a welding gun and a second driving mechanism disposed on the mounting seat, the mounting end of the welding gun is hinged on the mounting seat, and the second driving mechanism is used to drive the welding gun to swing;

[0017] The second driving mechanism is electrically connected to the control system, and the control system controls the driving mechanism to drive the welding gun to swing, so that the conductive end of the welding gun swings to an arc starting position that is closer to the weld; or the conductive end swings to an arc extinguishing position that is farther from the weld.

[0018] As a preferred solution, the second driving mechanism comprises an electric telescopic rod, one end of which is hinged to the mounting seat, and the other end of which is hinged to the welding gun.

[0019] As a preferred solution, the wire feeding mechanism is electrically connected to the control system, and when the control system controls the welding gun to swing to the arc starting position, it also controls the wire feeding mechanism to feed wire to the weld.

[0020] As a preferred solution, the mounting seat is provided with a camera and at least two ranging sensors spaced apart along the length direction of the guide member.

[0021] As a preferred solution, the connection mechanism comprises at least three support legs arranged at intervals on the peripheral side of the support seat, the first end of each of the support legs is connected to the first end of the support seat by a ball joint, and the second end of each of the support legs is provided with a connection hole;

[0022] The connection mechanism also includes screw rods arranged one by one corresponding to each of the support legs, one end of each of the screw rods is welded and fixed to the inner wall of the box body, and the other end of the screw rod passes through each of the connection holes and is connected to a nut respectively.

[0023] As a preferred solution, each of the supporting legs is a telescopic rod.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] The welding equipment of the present invention comprises a support seat, a CNC mechanical arm, a mounting seat, a welding device, a first driving mechanism and a control system, wherein the first end of the support seat is provided with a connecting mechanism for detachably connecting the support seat to the inner side of a box to be welded; one end of the CNC mechanical arm is connected to the second end of the support seat, and the other end of the mechanical arm is connected to a guide piece; the mounting seat is slidably connected to the guide piece, and the welding device is arranged on the mounting seat; the first driving mechanism is arranged on the guide piece or the mounting seat, and the first driving mechanism can drive the mounting seat to move along the guide piece; the control system controls the CNC mechanical arm to adjust the guide piece, and adjusts the guide piece to be arranged parallel to and spaced from the weld on the inner side of the box, and then the control system controls the first driving mechanism to drive the mounting seat to move along the guiding mechanism, so that the welding device can move along the length direction of the weld to realize welding of the weld. By adopting the welding equipment of the present invention, there is no need for an operator to hold a welding gun in the box for welding, and through the adjustment of the guide piece, quick adjustment of the welding path of the welding device is realized, thereby improving the overall operation efficiency of the welding equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the welding equipment of the present invention installed in a box-shaped space;

[0027] Figure 2 It is a schematic diagram of the structure when the welding equipment of the present invention is not installed in the box-shaped space;

[0028] Figure 3 It is a structural schematic diagram of a welding device;

[0029] Figure 4 is a schematic diagram of the installation structure of the first driving mechanism;

[0030] Figure 5 It is a schematic diagram of the installation structure of the camera on the connecting block;

[0031] Figure 6 is a structural schematic diagram of a guide member;

[0032] Figure 7 It is a schematic diagram of the distribution structure on the support seat of the ball joint node;

[0033] In the figure, 1. support seat, 11. ball joint node, 2. CNC robot arm, 21. first CNC turntable, 22. boom type robot arm, 23. second CNC turntable, 3. guide member, 31. rack portion, 32. guide portion, 33. T-slot, 34. first slot body, 4. mounting seat, 5. welding device, 51. welding wire roller, 52. wire feeding mechanism, 521. wire feeding roller group, 522. wire outlet drum, 53. welding gun, 54. electric telescopic rod, 6. first driving mechanism, 61. first motor, 62. gear, 63. driving shaft, 64. T-shaped slider, 71. camera, 72. ranging sensor, 73. light source, 74. connecting block, 81. supporting leg, 82. screw, 83. nut. DETAILED DESCRIPTION

[0034] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0035] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. It should be understood that the terms "first", "second", etc. are used in the present invention to describe various information, but such information should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present invention, the "first" information may also be referred to as the "second" information, and similarly, the "second" information may also be referred to as the "first" information.

[0036] like Figures 1 to 7As shown, a preferred embodiment of the welding equipment of the present invention comprises a support seat 1, a CNC mechanical arm 2, a mounting seat 4, a welding device 5, a first driving mechanism 6 and a control system. The first end of the support seat 1 is provided with a connecting mechanism for detachably connecting the support seat 1 to the inner side of the box to be welded; one end of the CNC mechanical arm 2 is connected to the second end of the support seat 1, and the other end of the mechanical arm is connected to a guide member 3; the mounting seat 4 is slidably connected to the guide member 3, and the welding device 5 is arranged on the mounting seat 4; the first driving mechanism 6 is arranged on the guide member 3 or the mounting seat 4, and the first driving mechanism 6 can drive the mounting seat 4 along the guide member 3. The control system controls the CNC robot arm 2 to adjust the position and direction of the guide member 3, and adjusts the guide member 3 to be arranged parallel to the weld on the inner side of the box body. Thereafter, the control system controls the first driving mechanism 6 to drive the mounting seat 4 to move along the guiding mechanism, so that the welding device 5 can move along the length direction of the weld to achieve welding of the weld. By adopting the welding equipment of the present invention, there is no need for the operator to hold the welding gun 53 in the box body for welding. Moreover, by adjusting the guide member 3, the welding path of the welding device 5 can be quickly adjusted, thereby improving the overall operating efficiency of the welding equipment.

[0037] Among them, Figure 6 As shown, the guide member 3 includes a rack portion 31 and a guide portion 32, the mounting seat 4 is slidably set on the guide portion 32, and the first driving mechanism 6 includes a first motor 61 fixed on the mounting seat 4 and a gear 62 connected to the output end of the first motor 61, and the gear 62 is meshed with the rack portion 31.

[0038] Specifically, Figure 3 , Figure 4 As shown, the first driving mechanism 6 also includes a driving shaft 63, which is connected to the output shaft of the first motor 61 through a coupling, and the mounting seat 4 is fixedly connected with a T-shaped slider 64. The end of the driving shaft 63 away from the first motor 61 passes through the T-shaped slider 64 and is fixedly connected to the gear 62. The guide member 3 is a column, and one end of the column in the width direction is provided with a T-shaped groove 33. The bottom of the T-shaped groove 33 is provided with a first groove body 34, and the rack portion 31 is arranged on one side of the first groove body 34. The gear 62 is arranged in the first groove body 34 and meshes with the rack portion 31. The T-shaped slider 64 is slidably arranged in the T-shaped groove 33. The rotation of the first motor 61 drives the gear 62 to rotate, and the gear 62 meshes with the rack portion 31. The rotating gear 62 drives the T-shaped slider 64 to slide along the T-shaped groove 33, so that the mounting seat 4 fixed on the T-shaped slider 64 moves along the guide member 3.

[0039] In this embodiment, the welding device 5 includes a welding gun 53 for generating an arc and a welding wire used as a filler metal. To facilitate wire feeding, a mounting shaft is fixed to the second end of the support seat 1, and the CNC robot arm 2 is fixed to the end of the mounting shaft away from the support seat 1; a welding wire roller 51 is rotatably sleeved on the outer side of the mounting shaft; the welding device 5 includes a wire feeding mechanism 52 arranged on the mounting seat 4, and the wire feeding mechanism 52 is used to feed the welding wire outside the welding wire roller 51 to the weld.

[0040] In order to ensure the conveying accuracy of the welding wire, in this embodiment, the wire feeding mechanism 52 includes a wire feeding roller group 521 and a wire outlet drum 522 arranged on the mounting seat 4, and the end of the welding wire passes through the barrel cavity of the wire feeding roller group 521 and the wire outlet drum 522 in sequence. The wire feeding roller group 521 is provided with an active roller and a roller group and a driven roller group. The mounting seat 4 is provided with a second motor for driving the active roller group to rotate. The second motor is electrically connected to the control system. The control system controls the speed of the second motor to adjust the wire feeding speed. The wire feeding roller group 521 drives the welding wire into the wire outlet drum 522. By changing the angle between the axial direction of the wire outlet drum 522 and the rack part 31, the angle between the wire outlet direction and the rack can be changed, thereby realizing the adjustment of the angle between the welding wire and the length direction of the weld. In this embodiment, the wire outlet drum 522 is perpendicular to the rack part 31.

[0041] In this embodiment, the welding method of the welding device 5 is arc welding. The welding device 5 also includes a welding gun 53 and a second driving mechanism arranged on the mounting seat 4. The mounting end of the welding gun 53 is hinged on the mounting seat 4. The second driving mechanism is used to drive the welding gun 53 to swing. The second driving mechanism is electrically connected to the control system. The control system controls the driving mechanism to drive the welding gun 53 to swing, so that the conductive end of the welding gun 53 swings to the arc starting position close to the weld; or the conductive end swings to the arc extinguishing position far from the weld. Specifically, when the conductive end of the welding gun 53 swings to the arc starting position, the control system controls the welding wire to extend to the weld, and the welding wire melts to achieve welding. After the welding is completed, the driving mechanism drives the conductive end to swing to the arc extinguishing position.

[0042] The second driving mechanism includes an electric telescopic rod 54, one end of which is hinged to the mounting seat 4, and the other end of which is hinged to the welding gun 53. The electric telescopic rod 54 is extended to drive the conductive end of the welding gun 53 to swing to the arc extinguishing position, and the electric telescopic rod 54 is shortened to drive the conductive end of the welding gun 53 to swing to the arc starting position.

[0043] To achieve automatic welding, in this embodiment, the wire feeding mechanism 52 is electrically connected to the control system, and when the control system controls the welding gun 53 to swing to the arc starting position, it also controls the wire feeding mechanism 52 to feed the wire. Specifically, the second motor is electrically connected to the control system, and the control system controls the second motor to rotate, driving the active roller group to rotate, thereby delivering the welding wire to the weld.

[0044] To facilitate the adjustment of the position of the guide member 3, in this embodiment, a camera 71 and at least two distance sensors 72 arranged at intervals along the length direction of the guide member 3 are provided on the mounting seat 4. Specifically, if the values ​​measured by the two distance sensors 72 are the same, it means that the guide member 3 is parallel to the inner wall of the box; the camera 71 is connected to an image display device, and a reference line is provided in the image display device according to the positional relationship between the camera 71 and the guide member 3. The reference line is parallel to the guide member 3 and passes through the center point of the wire drum 522. The position of the guide member 3 is adjusted by the CNC robot arm 2 so that the reference line in the image display device is parallel to the weld displayed in the image display device, which can ensure that the guide member 3 is parallel to the weld. Further, a light source 73 is also connected to the mounting seat 4. Specifically, in this embodiment, a connecting block 74 is fixed to one side of the mounting seat 4, and the distance sensor 72, the light source 73 and the camera 71 are all installed on the connecting block 74.

[0045] In this embodiment, Figure 2 , Figure 7 As shown, the connection mechanism includes at least three support legs 81 arranged at intervals on the circumference of the support seat 1, the first end of each support leg 81 is connected to the first end of the support seat 1 by a ball joint, and the second end of each support leg 81 is provided with a connection hole; the connection mechanism also includes a screw 82 arranged one by one with each support leg 81, one end of each screw 82 is welded and fixed to the inner wall of the box body, and the other end of the screw 82 passes through each connection hole and is connected with a nut 83 respectively. Specifically, in this embodiment, there are three support legs 81, and the three support legs 81 are arranged evenly at intervals. Before installing the welding equipment in the box-shaped space, the screw 82 is first welded on the inner wall of the box-shaped space, and then each support leg 81 is connected to the stud. After the welding construction is completed, the nut 83 is removed, the welding equipment is dismantled, and finally the screw 82 is cut off. Specifically, the support seat 1 is a circular cylinder, and one end of the support seat 1 is provided with three ball joint nodes 11, and the three support legs 81 are respectively connected at each ball joint node 11.

[0046] In order to improve the application range of the welding equipment of this embodiment, in this embodiment, each support leg 81 is a telescopic rod. By adjusting the length of each support leg 81, the adaptability of the welding equipment to the installation space can be adjusted and improved.

[0047] In this embodiment, the CNC robot arm 2 includes a first CNC turntable 21, a boom-type robot arm 22 and a second CNC turntable 23 arranged in sequence. The first CNC turntable 21 is connected to one end of the mounting axis away from the support base 1, one end of the boom-type mechanical wall is connected to the first CNC turntable 21, and the other end is connected to the second CNC turntable 23, and the guide member 3 is connected to the second CNC turntable 23.

[0048] In summary, the welding equipment of the present invention comprises a support base 1, a CNC mechanical arm 2, a mounting base 4, a welding device 5, a first driving mechanism 6 and a control system, wherein the first end of the support base 1 is provided with a connecting mechanism for detachably connecting the support base 1 to the inner side of the box to be welded; one end of the CNC mechanical arm 2 is connected to the support base 1, and the other end of the mechanical arm is connected to the guide member 3; the mounting base 4 is slidably connected to the guide member 3, and the welding device 5 is arranged on the mounting base 4; the first driving mechanism 6 is arranged on the guide member 3 or the mounting base 4, and the first driving mechanism 6 can drive the mounting base 4 to move along the guide member 3; the control system controls the CNC mechanical arm 2 to adjust the guide member 3, and adjusts the guide member 3 to be arranged parallel to the weld on the inner side of the box, and then the control system controls the first driving mechanism 6 to drive the mounting base 4 to move along the guide mechanism, so that the welding device 5 can move along the length direction of the weld to realize welding of the weld. By adopting the welding equipment of the present invention, it is not necessary for the operator to hold the welding gun 53 in the box for welding, and by adjusting the guide member 3, the welding path of the welding device 5 is quickly adjusted, thereby improving the overall operation efficiency of the welding equipment.

[0049] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A welding device, characterized in that: include: A support seat (1), wherein a first end of the support seat (1) is provided with a connection mechanism for detachably connecting the support seat (1) to the inner side of a box to be welded; A numerical control mechanical arm (2), one end of the numerical control mechanical arm (2) is connected to the second end of the support base (1), and the other end of the mechanical arm is connected to a guide member (3); A mounting seat (4), wherein the mounting seat (4) is slidably connected to the guide member (3); A welding device (5), wherein the welding device (5) is arranged on the mounting seat (4); a first driving mechanism (6), the first driving mechanism (6) being arranged on the guide member (3) or the mounting seat (4), the first driving mechanism (6) being used for driving the mounting seat (4) to move along the guide member (3); A control system, wherein the CNC robot arm (2) and the first drive mechanism (6) are both electrically connected to the control system; the control system controls the CNC robot arm (2) to adjust the guide member (3) so that the guide member (3) and the weld on the inner side of the box are arranged in parallel and spaced apart; the control system is also used to control the first drive mechanism (6) to drive the mounting seat (4) to move along the guide mechanism so that the welding device (5) welds the weld.

2. The welding device according to claim 1, characterized in that The guide member (3) comprises a rack portion (31) and a guide portion (32), and the mounting seat (4) is slidably arranged on the guide portion (32); The first driving mechanism (6) comprises a first motor (61) fixed on the mounting seat (4) and a gear (62) connected to the output end of the first motor (61), and the gear (62) is meshed with the rack portion (31).

3. The welding device according to claim 1, characterized in that A mounting shaft is fixed to the second end of the support seat (1), and the CNC mechanical arm (2) is fixed to an end of the mounting shaft away from the support seat (1); a welding wire roller (51) is rotatably sleeved on the outer side of the mounting shaft; The welding device (5) comprises a wire feeding mechanism (52) arranged on the mounting seat (4), and the wire feeding mechanism (52) is used to feed the welding wire outside the welding wire roller (51) to the welding seam.

4. The welding device according to claim 3, characterized in that: The wire feeding mechanism (52) comprises a wire feeding roller group (521) and a wire outlet cylinder (522) arranged on the mounting seat (4), and the end of the welding wire passes through the cylinder cavities of the wire feeding roller group (521) and the wire outlet cylinder (522) in sequence.

5. The welding device according to claim 3, characterized in that: The welding device (5) further comprises a welding gun (53) and a second driving mechanism arranged on the mounting seat (4), wherein the mounting end of the welding gun (53) is hinged on the mounting seat (4), and the second driving mechanism is used to drive the welding gun (53) to swing; The second driving mechanism is electrically connected to the control system, and the control system controls the driving mechanism to drive the welding gun (53) to swing, so that the conductive end of the welding gun (53) swings to an arc starting position closer to the weld; or swings the conductive end to an arc extinguishing position farther from the weld.

6. The welding device according to claim 5, characterized in that The second driving mechanism comprises an electric telescopic rod (54), one end of the electric telescopic rod (54) is hinged to the mounting seat (4), and the other end of the electric telescopic rod (54) is hinged to the welding gun (53).

7. The welding device according to claim 5, characterized in that The wire feeding mechanism (52) is electrically connected to the control system. When the control system controls the welding gun (53) to swing to the arc starting position, it also controls the wire feeding mechanism (52) to feed wire to the welding seam.

8. The welding device according to claim 1, characterized in that The mounting seat (4) is provided with a camera (71) and at least two distance measuring sensors (72) arranged at intervals along the length direction of the guide member (3).

9. The welding device according to claim 1, characterized in that The connection mechanism comprises at least three support legs (81) arranged at intervals on the peripheral side of the support seat (1), the first end of each support leg (81) being connected to the first end of the support seat (1) by a ball joint, and the second end of each support leg (81) being provided with a connection hole; The connection mechanism also includes screw rods (82) arranged one-to-one corresponding to each of the support legs (81), one end of each of the screw rods (82) is welded and fixed to the inner wall of the box body, and the other end of the screw rod (82) passes through each of the connection holes and is connected to a nut (83) respectively.

10. The welding device according to claim 9, characterized in that Each of the supporting legs (81) is a telescopic rod.

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