Convenient-to-adjust welding head of spot welding machine

Abstract

The utility model discloses a convenient-to-adjust welding head of a spot welding machine, and relates to the technical field of welding heads. Comprising a bottom plate, a mounting shell and a supporting frame are fixed to the top end of the bottom plate, dust collection mechanisms are arranged on the sides, close to each other, of the mounting shell and the supporting frame, each dust collection mechanism comprises a connecting piece fixed to the side, close to each other, of the mounting shell and the supporting frame, a sliding piece is slidably connected to the connecting piece, and a dust collection cover is fixed to the top end of the sliding piece; a first fixing frame and a second fixing frame are fixed to the top end of the bottom plate, and a second rotating rod is rotationally connected to the side, close to the supporting frame, of the first fixing frame. Compared with the prior art, by rotating the first rotating rod and the second rotating rod, the first rotating rod and the second rotating rod both drive respective rotating discs to rotate, the rotating discs rotate to drive the fixing rod to rotate, the fixing rod rotates to drive the second connecting rod to rotate on the supporting rod, and therefore the first connecting rod is driven to move, and the sliding piece moves; therefore, the suction hood is driven to move left and right.

Description

Technical Field

[0001] The utility model relates to the technical field of welding heads, in particular to a welding head of a spot welding machine which is easy to adjust. Background Art

[0002] Spot welding is a resistance welding method that uses resistance heat to melt the parent metal to form a weld. Spot welding is mostly used to connect thin plates, such as aircraft skins, aircraft engine chimneys, and automobile cab shells. The existing spot welding head that is easy to adjust (Announcement No.: CN220028991U) has the following disadvantages in use:

[0003] During use, the welding head is used to weld the workpiece to be welded. Some fine metal particles and gas may be generated during the welding process. These metal particles mainly come from the melting and splashing of the weldment material, and the gas may come from the dirty substances or coatings on the surface of the weldment. These metal particles and gas will affect the health of the workers. Therefore, this patent proposes a welding head of a spot welding machine that is easy to adjust to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a welding head of a spot welding machine which is easy to adjust, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a welding head of a spot welding machine that is easy to adjust, comprises a base plate, a mounting shell and a support frame are fixed on the top of the base plate, a dust suction mechanism is provided on the side where the mounting shell and the support frame are close to each other, the dust suction mechanism comprises a connecting piece fixed to the side where the mounting shell and the support frame are close to each other, a sliding piece is slidably connected to the connecting piece, a dust suction hood is fixed on the top of the sliding piece, a first fixing frame and a second fixing frame are fixed on the top of the base plate, a side of the first fixing frame close to the support frame is rotatably connected to the second rotating rod, a side of the second fixing frame close to the mounting shell is rotatably connected to the first rotating rod, a rotating disk is fixed to the outer wall of the second rotating rod and the two rotating disks are fixed on the sides away from each other, a fixing rod is fixed, a first connecting rod is movably connected to the first connecting rod on one side of the sliding piece, two supporting rods are fixed on the top of the base plate, the tops of the two supporting rods are movably connected to the second connecting rod, the fixing rod slides on the second connecting rod, and the second connecting rod is movably connected to the first connecting rod.

[0006] A welding mechanism is arranged between the side of the mounting shell close to the support frame and the top of the base plate, the welding mechanism comprises a telescopic rod fixed to the side of the mounting shell close to the support frame, a mounting plate is fixed to the telescopic end of the telescopic rod, a cylinder is passed through and fixed to the top of the mounting plate, a mounting frame is fixed to the output end of the cylinder, a first welding head is rotatably connected to the mounting frame, a connecting frame is fixed to the top of the base plate, and a second welding head is rotatably connected to the top of the connecting frame.

[0007] A first rotating shaft is rotatably connected between the inner walls at both ends of the mounting frame, the first welding head is installed on the first rotating shaft, a first motor is fixed to one end of the mounting frame, the output end of the first motor passes through the mounting frame and is fixed to the first rotating shaft, a second rotating shaft is rotatably connected between the inner walls at both ends of the connecting frame, the second welding head is installed on the second rotating shaft, a second motor is fixed to one end of the connecting frame, the output end of the second motor passes through the connecting frame and is fixed to the second rotating shaft.

[0008] The first fixed frame and the second fixed frame are both provided with a power mechanism, the power mechanism includes a third rotating rod rotatably connected to the other side of the first fixed frame, the second rotating rod and the third rotating rod penetrate the inner wall of the first fixed frame and the outer walls thereof are fixed with a first gear, the inner wall of one end of the first fixed frame is rotatably connected with the rotating rod, a third motor is fixed at one end of the first fixed frame, the output end of the third motor penetrates the first fixed frame and is fixed to the rotating rod, a second gear is fixed to the outer wall of the rotating rod, the second gear is meshed with the first gear, a first rotating wheel is fixed to the outer wall of the third rotating rod close to the supporting frame, a second rotating wheel is fixed to the outer wall of the first rotating rod, and a belt is provided between the first rotating wheel and the second rotating wheel.

[0009] A collecting mechanism is provided on the side where the mounting shell and the supporting frame are away from each other. The collecting mechanism includes a collecting box fixed on the side where the mounting shell and the supporting frame are away from each other. A collecting box is inserted into the collecting box. A plurality of filter holes are provided on the collecting box. One end of the collecting box is fixedly connected to a connecting pipe, the connecting pipe is fixedly connected to a dust hood, and the other end of the collecting box is fixedly connected to a fan.

[0010] A controller is installed on a side of the support frame away from the mounting shell, and the controller is electrically connected to the fan, the first motor and the second motor.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The welding head of the spot welding machine which is easy to adjust is different from the prior art in that by rotating the first rotating rod and the second rotating rod, the first rotating rod and the second rotating rod both drive their respective turntables to rotate, the rotation of the turntable drives the fixed rod to rotate, the rotation of the fixed rod drives the second connecting rod to rotate on the support rod, thereby driving the first connecting rod to move, causing the sliding part to move, thereby driving the dust hood to move left and right, and setting two dust hoods in diagonal directions can better absorb the metal particles and gases generated during the welding process, thereby avoiding affecting the health of the workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a side view of the utility model;

[0015] Figure 3 It is a top view of the utility model;

[0016] Figure 4 It is a cross-sectional view of the utility model.

[0017] In the figure: 1. bottom plate; 2. mounting shell; 3. support frame; 4. welding mechanism; 5. dust collection mechanism; 501. connecting piece; 502. dust collection hood; 503. first connecting rod; 504. second connecting rod; 505. turntable; 506. fixing rod; 507. first rotating rod; 508. second rotating rod; 509. first fixing frame; 6. collecting mechanism; 601. collecting box; 602. connecting pipe; 603. fan; 604. collecting box; 7. power mechanism; 701. first gear; 702. third rotating rod; 703. second gear; 704. first rotating wheel; 705. second rotating wheel. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] When welding the workpieces to be welded through the welding head, the welding head sometimes needs to be adjusted for some special workpieces, and some fine metal particles and gases will be generated during the welding process. These particles and gases need to be cleaned to avoid affecting the health of the workers.

[0020] like Figure 1-Figure 4As shown, the utility model provides a technical solution: a welding head of a spot welding machine that is easy to adjust, comprising a bottom plate 1, a mounting shell 2 and a support frame 3 are fixed to the top of the bottom plate 1, a dust suction mechanism 5 is provided on the side where the mounting shell 2 and the support frame 3 are close to each other, the dust suction mechanism 5 comprises a connecting member 501 fixed to the side where the mounting shell 2 and the support frame 3 are close to each other, a sliding member is slidably connected to the connecting member 501, a dust suction cover 502 is fixed to the top of the sliding member, a first fixing frame 509 and a second fixing frame are fixed to the top of the bottom plate 1, and the first fixing frame 501 is fixed to the bottom plate 1. 09 A second rotating rod 508 is rotatably connected to one side close to the supporting frame 3, a first rotating rod 507 is rotatably connected to one side of the second fixing frame close to the mounting shell 2, a turntable 505 is fixed to the outer walls of the second rotating rod 508 and the first rotating rod 507, a first connecting rod 503 is movably connected to one side of the sliding member, two supporting rods are fixed to the top of the bottom plate 1, the tops of the two supporting rods are movably connected to the second connecting rod 504, the fixing rod 506 slides on the second connecting rod 504, and the second connecting rod 504 is movably connected to the first connecting rod 503.

[0021] It should be noted that by rotating the first rotating rod 507 and the second rotating rod 508, the first rotating rod 507 and the second rotating rod 508 both drive their respective turntables 505 to rotate, and the rotation of the turntable 505 drives the fixed rod 506 to rotate, and the rotation of the fixed rod 506 drives the second connecting rod 504 to rotate on the support rod, thereby driving the first connecting rod 503 to move, causing the sliding part to move, thereby driving the dust hood 502 to move left and right. Setting two dust hoods 502 in diagonal directions can better absorb the metal particles and gases generated during the welding process, thereby avoiding affecting the health of the workers.

[0022] like Figure 1 As shown, a welding mechanism 4 is provided between the side of the mounting shell 2 close to the support frame 3 and the top of the bottom plate 1. The welding mechanism 4 includes a telescopic rod fixed to the side of the mounting shell 2 close to the support frame 3. The telescopic end of the telescopic rod is fixed to a mounting plate. A cylinder is fixed through the top of the mounting plate. A mounting frame is fixed to the output end of the cylinder. A first welding head is rotatably connected to the mounting frame. A connecting frame is fixed to the top of the bottom plate 1. A second welding head is rotatably connected to the top of the connecting frame. A first rotating shaft is rotatably connected between the inner walls at both ends of the mounting frame. The first welding head is mounted on the first rotating shaft. A first motor is fixed to one end of the mounting frame. The output end of the first motor passes through the mounting frame and is fixed to the first rotating shaft. A second rotating shaft is rotatably connected between the inner walls at both ends of the connecting frame. The second welding head is mounted on the second rotating shaft. A second motor is fixed to one end of the connecting frame. The output end of the second motor passes through the connecting frame and is fixed to the second rotating shaft.

[0023] It should be noted that by setting the first motor and the second motor, the first motor drives the first welding head to adjust the angle, and the second motor drives the second welding head to adjust the angle, so that different types of workpieces can be processed. In addition, the telescopic rod can drive the first welding head to adjust the position in the front and rear directions, and the cylinder can adjust the height of the first welding head.

[0024] like Figure 1-Figure 4 As shown, the first fixed frame 509 and the second fixed frame are both provided with a power mechanism 7, and the power mechanism 7 includes a third rotating rod 702 rotatably connected to the other side of the first fixed frame 509, and the second rotating rod 508 and the third rotating rod 702 penetrate the inner wall of the first fixed frame 509 and the outer wall thereof is fixed with a first gear 701, the inner wall of one end of the first fixed frame 509 is rotatably connected with a rotating rod, a third motor is fixed to one end of the first fixed frame 509, and the output end of the third motor penetrates the first fixed frame 509 and is fixed to the rotating rod, a second gear 703 is fixed to the outer wall of the rotating rod, and the second gear 703 is meshed with the first gear 701, a first rotating wheel 704 is fixed to the outer wall of the third rotating rod 702 close to the support frame 3, a second rotating wheel 705 is fixed to the outer wall of the first rotating rod 507, and a belt is arranged between the first rotating wheel 704 and the second rotating wheel 705. The side of the mounting shell 2 and the support frame 3 away from each other is provided with a collecting mechanism 6, and the collecting mechanism 6 includes a collecting box 601 fixed on the side of the mounting shell 2 and the support frame 3 away from each other, and a collecting box 604 is inserted in the collecting box 601, and a plurality of filter holes are provided on the collecting box 604, and one end of the collecting box 601 is fixedly connected with a connecting pipe 602, and the two connecting pipes 602 respectively penetrate the mounting shell 2 and the support frame 3, and the connecting pipe 602 is fixedly connected with the dust cover 502, and the other end of the collecting box 604 is fixedly connected with a fan 603. A controller is installed on the side of the support frame 3 away from the mounting shell 2, and the controller is electrically connected with the fan 603, the first motor and the second motor.

[0025] It should be noted that the third motor drives the rotating rod to rotate, the rotating rod drives the second gear 703 to rotate, the second gear 703 drives the first gear 701 to rotate, so that the third rotating rod 702 and the second rotating rod 508 both rotate, the third rotating rod 702 drives the first rotating wheel 704 to rotate, so that the belt moves, the belt drives the second rotating wheel 705 to rotate, so that the first rotating rod 507 rotates, and finally the second rotating rod 508 and the first rotating rod 507 both rotate, thereby driving the two turntables 505 to rotate. In addition, the fan 603 sends the metal particles and gases through the dust hood 502 and the connecting pipe 602 into the collection box 601 for filtration through the collection box 604, and then the gas is sent to a special exhaust system through the fan 603 for treatment and exhaust.

[0026] Working principle: During the welding process, the third motor is started through the controller, and the third motor drives the rotating rod to rotate, and the rotating rod drives the second gear 703 to rotate, and the second gear 703 rotates to drive the first gear 701 to rotate, so that the third rotating rod 702 and the second rotating rod 508 both rotate, and the third rotating rod 702 rotates to drive the first rotating wheel 704 to rotate, so that the belt moves, and the belt drives the second rotating wheel 705 to rotate, so that the first rotating rod 507 rotates, and finally the second rotating rod 508 and the first rotating rod 507 both rotate to drive the two rotating disks 505 to rotate, and the rotation of the rotating disk 505 drives the fixed rod 506 to rotate, and the rotation of the fixed rod 506 drives the second connecting rod 504 to rotate on the support rod, thereby driving the first connecting rod 503 to move, so that the sliding part moves, thereby driving the dust hood 502 to move left and right, and suck away the metal particles and gases generated during the welding process, thereby avoiding affecting the health of the staff.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is limited by the attached embodiments and their equivalents.

Claims

1. A welding head of a spot welding machine that is easy to adjust, comprising a base plate (1), characterized in that: A mounting shell (2) and a support frame (3) are fixed to the top of the bottom plate (1); a dust collecting mechanism (5) is provided on the side where the mounting shell (2) and the support frame (3) are close to each other; the dust collecting mechanism (5) comprises a connecting member (501) fixed to the side where the mounting shell (2) and the support frame (3) are close to each other; a sliding member is slidably connected to the connecting member (501); a dust collecting cover (502) is fixed to the top of the sliding member; a first fixing frame (509) and a second fixing frame are fixed to the top of the bottom plate (1); a second rotating rod (508) is rotatably connected to the side where the first fixing frame (509) is close to the support frame (3); and a second rotating rod (508) is rotatably connected to the side where the second fixing frame (509) is close to the support frame (3). A first rotating rod (507) is rotatably connected to one side of the frame close to the mounting shell (2); a rotating disk (505) is fixed to the outer wall of the second rotating rod (508) and the first rotating rod (507); a fixing rod (506) is fixed to the side of the two rotating disks (505) away from each other; a first connecting rod (503) is movably connected to one side of the sliding member; two supporting rods are fixed to the top of the bottom plate (1); the tops of the two supporting rods are movably connected to the second connecting rod (504); the fixing rod (506) slides on the second connecting rod (504); and the second connecting rod (504) is movably connected to the first connecting rod (503).

2. The welding head of the spot welding machine that is easy to adjust according to claim 1 is characterized in that: A welding mechanism (4) is provided between a side of the mounting shell (2) close to the support frame (3) and the top of the bottom plate (1), the welding mechanism (4) comprising a telescopic rod fixed to a side of the mounting shell (2) close to the support frame (3), a mounting plate fixed to the telescopic end of the telescopic rod, a cylinder fixed through the top of the mounting plate, a mounting frame fixed to the output end of the cylinder, a first welding head rotatably connected to the mounting frame, a connecting frame fixed to the top of the bottom plate (1), a second welding head rotatably connected to the top of the connecting frame.

3. The welding head of the spot welding machine that is easy to adjust according to claim 2 is characterized in that: A first rotating shaft is rotatably connected between the inner walls at both ends of the mounting frame, the first welding head is installed on the first rotating shaft, a first motor is fixed to one end of the mounting frame, the output end of the first motor passes through the mounting frame and is fixed to the first rotating shaft, a second rotating shaft is rotatably connected between the inner walls at both ends of the connecting frame, the second welding head is installed on the second rotating shaft, a second motor is fixed to one end of the connecting frame, the output end of the second motor passes through the connecting frame and is fixed to the second rotating shaft.

4. The welding head of the spot welding machine that is easy to adjust according to claim 1 is characterized in that: The first fixing frame (509) and the second fixing frame are both provided with a power mechanism (7), the power mechanism (7) comprising a third rotating rod (702) rotatably connected to the other side of the first fixing frame (509), the second rotating rod (508) and the third rotating rod (702) pass through the inner wall of the first fixing frame (509), and the outer wall thereof is fixed with a first gear (701), the inner wall of one end of the first fixing frame (509) is rotatably connected with the rotating rod, and one end of the first fixing frame (509) is fixed with a A third motor, wherein the output end of the third motor passes through the first fixed frame (509) and is fixed to the rotating rod, a second gear (703) is fixed to the outer wall of the rotating rod, the second gear (703) is meshed with the first gear (701), a first rotating wheel (704) is fixed to the outer wall of the third rotating rod (702) close to the support frame (3), a second rotating wheel (705) is fixed to the outer wall of the first rotating rod (507), and a belt is arranged between the first rotating wheel (704) and the second rotating wheel (705).

5. The welding head of the spot welding machine that is easy to adjust according to claim 1 is characterized in that: A collecting mechanism (6) is provided on the side of the mounting shell (2) and the supporting frame (3) that are away from each other. The collecting mechanism (6) comprises a collecting box (601) fixed on the side of the mounting shell (2) and the supporting frame (3) that are away from each other. A collecting box (604) is inserted into the collecting box (601). The collecting box (604) is provided with a plurality of filter holes. One end of the collecting box (601) is fixedly connected to a connecting pipe (602), the connecting pipe (602) and the dust hood (502) are fixedly connected, and the other end of the collecting box (604) is fixedly connected to a fan (603).

6. The welding head of the spot welding machine that is easy to adjust according to claim 1 is characterized in that: A controller is installed on a side of the support frame (3) away from the mounting shell (2), and the controller is electrically connected to the fan (603), the first motor and the second motor.

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