A welding device and method for a wind resistance rowing machine

Abstract

The present invention is applicable to the field of welding technology for air resistance rowing machines, and provides an air resistance rowing machine welding device and method, including a workbench, and further including: a round tube feeding hopper and a square tube feeding hopper fixed to the upper end of the workbench, and a first guiding sink and a second guiding sink are respectively arranged below the round tube feeding hopper and the square tube feeding hopper at the upper end of the workbench; a blanking port is arranged in the middle of the workbench, a turning frame is rotatably connected in the blanking port, a motor is fixed on the workbench, the rotating end of the motor is fixedly connected with the turning frame, and a clamping groove is arranged on the turning frame. Through the cooperation of the material pushing mechanism with the round tube feeding hopper and the square tube feeding hopper, the automatic feeding of the round tube and the square tube is realized. The blanking port and the turning frame driving the round tube and the square tube to rotate can realize the automatic blanking of the welded parts, thereby avoiding manual clamping and disassembly of the welded parts, improving the welding efficiency of the square tube and the round tube, and realizing the automatic welding of the square tube and the round tube.

Description

Technical Field

[0001] The invention belongs to the technical field of welding of air resistance rowing machines, and particularly relates to a welding device and method for air resistance rowing machines. Background Art

[0002] ‌The air resistance rowing machine includes main components such as a machine body, a water tank, a rowing handle, a foot pedal, and a fan. When the machine body is produced, the bottom support frame needs to be connected by bolts. The bottom support frame is a welded part, which is often welded by round tubes and square tubes.

[0003] When welding round tubes and square tubes, the welded part is composed of two straight lines and two arcs. First, the round tubes and square tubes are positioned and clamped by jigs, and then the worker holds a welding gun to weld the round tubes and square tubes, welding the two straight lines and two arc-shaped welds.

[0004] The above manual welding method is not suitable for welding a large number of round tubes and square tubes. During welding, the worker needs to continuously clamp and unclamp the round tubes and square tubes, resulting in high work intensity and low efficiency of manual clamping and welding. Therefore, a welding device capable of automatic loading and unloading is needed to improve the welding efficiency of air resistance rowing machines. Summary of the Invention

[0005] The purpose of the embodiments of the present invention is to provide a welding device and method for air resistance rowing machines, aiming to solve the problems that when welding a large number of parts, the worker needs to continuously clamp and unclamp round tubes and square tubes, resulting in high work intensity and low efficiency of manual clamping and welding.

[0006] The present invention is implemented as follows. An air resistance rowing machine welding device includes a workbench, and further includes: a round tube supply hopper and a square tube supply hopper fixed at the upper end of the workbench. Guide grooves one and two are respectively arranged below the round tube supply hopper and the square tube supply hopper at the upper end of the workbench; a blanking port is arranged in the middle of the workbench, and a turning frame is rotatably connected in the blanking port. A motor is fixed on the workbench, and the rotating end of the motor is fixedly connected to the turning frame. A clamping groove is arranged on the turning frame, and a clamping component is arranged in the clamping groove. The clamping component is used to fix the steel tubes in the clamping groove; a pushing mechanism is arranged on the workbench, and the pushing mechanism is used to push the round tubes and square tubes at the bottom layer of the round tube supply hopper and the square tube supply hopper to move towards each other and contact; a welding mechanism is arranged on the workbench, and the welding mechanism is used to weld the connection part of the round tube and the square tube.

[0007] In a further technical solution, the clamping component includes a clamping block slidably connected to the turning frame. One end of the clamping block extends into the clamping groove, and a cylinder one is fixed on the turning frame. The telescopic end of the cylinder one is connected to the other end of the clamping block.

[0008] Further technical solution: The welding mechanism includes a horizontal welding assembly and an arc welding assembly. When the round pipe and the square pipe are in a horizontal state, the horizontal welding assembly welds the horizontal connection of the round pipe and the square pipe. When the turning frame drives the round pipe and the square pipe to rotate, the arc welding assembly welds the arc connection of the round pipe and the square pipe.

[0009] Further technical solution: The arc welding assembly includes two support blocks fixed to the upper end of the workbench. Electric telescopic rods III are fixed on both support blocks. Welding heads II are slidably connected to both support blocks. The telescopic ends of the two electric telescopic rods III are respectively fixedly connected to the two welding heads II. The two welding heads II are respectively located on both sides of the square pipe.

[0010] Further technical solution: The horizontal welding assembly includes a mounting block arranged on the workbench. A guiding groove is horizontally arranged on the mounting block. A concave frame is slidably connected in the guiding groove. Electric telescopic rods I are fixedly arranged at the lower end of the concave frame. The telescopic end of the electric telescopic rod I is connected to the concave frame. Electric telescopic rods II are fixedly arranged at both ends of the concave frame. Welding heads I are slidably connected to both ends of the concave frame. The telescopic ends of the two electric telescopic rods II are respectively fixedly connected to the welding heads I.

[0011] Further technical solution: A transmission assembly is arranged on the workbench. The transmission assembly includes a transmission sliding groove horizontally arranged on the workbench. The mounting block is slidably connected in the transmission sliding groove. A fixed sliding shaft is fixed to the side wall of the mounting block. A pushing groove is arranged on the side wall of the turning frame. The fixed sliding shaft is slidably connected in the pushing groove. A supporting plate is fixed to the mounting block.

[0012] Further technical solution: The feeding mechanism includes a feeding component I and a feeding component II. The feeding component I is used to push the round pipe at the bottom layer of the round pipe feeding hopper to above the blanking port. The feeding component II is used to push the square pipe at the bottom layer of the square pipe feeding hopper to above the blanking port.

[0013] Further technical solution: The feeding component I includes a pushing block I slidably connected in a guiding sunk groove I, and a cylinder II fixed to the bottom of the workbench. An avoidance opening I is arranged on the guiding sunk groove I. The pushing block I is connected to the telescopic end of the cylinder II through the avoidance opening I.

[0014] Further technical solution: The feeding component II includes a pushing block II slidably connected in a guiding sunk groove II, and a cylinder III fixed to the bottom of the workbench. An avoidance opening II is arranged on the guiding sunk groove II. The pushing block II is connected to the telescopic end of the cylinder III through the avoidance opening II.

[0015] A welding method for a wind resistance rowing machine, based on the above-mentioned wind resistance rowing machine welding device, includes the following steps:

[0016] Step 1: Place the round tube code in the round tube feeding hopper and the square tube code in the square tube feeding hopper;

[0017] Step 2: The pusher mechanism pushes the round tubes and square tubes at the bottom layer of the round tube feeding hopper and the square tube feeding hopper to move towards each other and come into contact;

[0018] Step 3: After the round tube enters the clamping groove, the clamping component fixes the steel tube in the clamping groove;

[0019] Step 4: The welding mechanism welds the connection between the round tube and the square tube;

[0020] Step 5: The motor drives the turning frame to rotate, and the turning frame drives the round tube and the square tube to rotate to the vertical state;

[0021] Step 6: After the opening of the clamping groove faces downward, the clamping component releases the steel tube, and the welded support frame falls from the blanking port and is pushed;

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0023] 1. Through the cooperation of the pusher mechanism with the round tube feeding hopper and the square tube feeding hopper, the automatic feeding of the round tube and the square tube is realized. The way that the blanking port and the turning frame drive the round tube and the square tube to rotate can realize the automatic blanking of the welded parts, thereby avoiding manual clamping and disassembly of the welded parts, improving the welding efficiency of the square tube and the round tube, and realizing the automatic welding of the square tube and the round tube;

[0024] 2. When the turning frame rotates, the turning frame pushes the fixed sliding shaft through the pushing groove. Under the guiding action of the transmission sliding groove, the fixed sliding shaft drives the mounting block away from the blanking port, and the mounting block drives the concave frame, the second electric telescopic rod and the first welding head away from the blanking port, avoiding the collision of the welded round tube and square tube with the concave frame, the second electric telescopic rod and the first welding head when they fall from the blanking port, so that the welded round tube and square tube can fall smoothly, and protecting the concave frame, the second electric telescopic rod and the first welding head;

[0025] 3. In the initial state, the mounting block drives the support plate to block the blanking port, so that the round tube can smoothly enter the clamping groove, avoiding the round tube from jumping or jamming in the gap between the turning frame and the blanking port during feeding;

[0026] 4. The tension spring pulls the baffle plate, and the baffle plate blocks the notch on one side of the bottom of the round tube feeding hopper close to the blanking port. The first pusher block and the baffle plate block the notch at the bottom of the round tube feeding hopper, thereby preventing the round tube from sliding out of the notch at the bottom of the round tube feeding hopper. Brief Description of the Drawings

[0027] Figure 1 It is a schematic structural diagram of a welding device and method for a wind resistance rowing machine provided by the present invention;

[0028] Figure 2Provided by the present invention Figure 1 Schematic diagram of the upward tilt angle

[0029] Figure 3 Provided by the present invention Figure 1 Schematic diagram of the structure of the workbench in

[0030] Figure 4 Provided by the present invention Figure 1 Schematic diagram of the structure after removing the workbench, round pipe feeder and square pipe feeder

[0031] Figure 5 Provided by the present invention Figure 4 Schematic diagram of the structure after removing the round pipe and square pipe to be welded

[0032] Figure 6 Provided by the present invention Figure 4 Schematic diagram of the structure of the horizontal welding assembly and the arc welding assembly in

[0033] Figure 7 Provided by the present invention Figure 6 Schematic diagram of the structure of the horizontal welding assembly in

[0034] Figure 8 Provided by the present invention Figure 1 Schematic diagram of the structure of the flipping frame in

[0035] Figure 9 Provided by the present invention Figure 1 Schematic diagram of the structure after removing the round pipe feeder and the square pipe feeder

[0036] Figure 10 Schematic diagram of the body structure of the air resistance rowing machine provided by the present invention;

[0037] Figure 11 Schematic diagram of the bottom support frame of the body provided by the present invention.

[0038] In the attached drawings: 101, workbench; 102, blanking port; 103, round pipe feeding hopper; 104, square pipe feeding hopper; 105, guiding chute one; 106, guiding chute two; 107, turnover rack; 108, clamping groove; 109, motor; 2, clamping assembly; 201, clamping block; 202, cylinder one; 3, horizontal welding assembly; 301, mounting block; 302, guiding groove; 303, concave-shaped frame; 304, electric telescopic rod one; 305, electric telescopic rod two; 306, welding head one; 4, arc welding assembly; 401, support block; 402, electric telescopic rod three; 403, welding head two; 5, material pushing assembly one; 501, material pushing block one; 502, cylinder two; 503, avoidance port one; 6, material pushing assembly two; 601, material pushing block two; 602, cylinder three; 603, avoidance port two; 7, transmission assembly; 701, transmission chute; 702, fixed sliding shaft; 703, pushing groove; 704, support plate; 801, baffle; 802, tension spring. Detailed implementation manners

[0039] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0040] The following describes the specific implementation of the present invention in detail with reference to specific embodiments.

[0041] As Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 8 、 Figure 9 、 Figure 10 and Figure 11As shown in the figure, a welding device for a wind resistance rowing machine provided by an embodiment of the present invention includes a workbench 101, and further includes: a round tube feeding hopper 103 and a square tube feeding hopper 104 fixed at the upper end of the workbench 101. A guiding sink 105 and a guiding sink 106 are respectively arranged below the round tube feeding hopper 103 and the square tube feeding hopper 104 at the upper end of the workbench 101; a blanking port 102 is arranged in the middle of the workbench 101. A turning frame 107 is rotatably connected in the blanking port 102. A motor 109 is fixed on the workbench 101. The rotating end of the motor 109 is fixedly connected with the turning frame 107. A clamping groove 108 is arranged on the turning frame 107. A clamping assembly 2 is arranged in the clamping groove 108. The clamping assembly 2 is used to fix the steel pipe in the clamping groove 108; a pushing mechanism is arranged on the workbench 101. The pushing mechanism is used to push the round tubes and square tubes at the bottom layer of the round tube feeding hopper 103 and the square tube feeding hopper 104 to move towards each other and contact; a welding mechanism is arranged on the workbench 101. The welding mechanism is used to weld the connection part of the round tube and the square tube.

[0042] In the embodiment of the present invention, the round tubes are stacked in the round tube feeding hopper 103, and the square tubes are stacked in the square tube feeding hopper 104. The bottom of both the round tube feeding hopper 103 and the square tube feeding hopper 104 is provided with a notch. The size of the notch at the bottom of the round tube feeding hopper 103 only allows one round tube to pass horizontally, and the size of the notch at the bottom of the square tube feeding hopper 104 only allows one square tube to pass horizontally. The pushing mechanism pushes the round tubes and square tubes at the bottom layer of the round tube feeding hopper 103 and the square tube feeding hopper 104 to move towards each other and contact. At this time, the round tube is located above the blanking port 102. After the round tube enters the clamping groove 108, the clamping assembly 2 fixes the steel pipe in the clamping groove 108. The welding mechanism welds the connection part of the round tube and the square tube. The motor 109 drives the turning frame 107 to rotate. The turning frame 107 drives the round tube and the square tube to rotate to a vertical state. After the opening of the clamping groove 108 faces downwards, the clamping assembly 2 releases the steel pipe. The welded support frame falls from the blanking port 102 and is pushed. Through the cooperation of the pushing mechanism with the round tube feeding hopper 103 and the square tube feeding hopper 104, the automatic feeding of the round tube and the square tube is realized. The way that the blanking port 102 and the turning frame 107 drive the round tube and the square tube to rotate can realize the automatic blanking of the welded parts, thereby avoiding manual clamping and disassembly of the welded parts, improving the welding efficiency of the square tube and the round tube, and realizing the automatic welding of the square tube and the round tube.

[0043] As Figure 1 、 Figure 4 and Figure 8 shown, as a preferred embodiment of the present invention, the clamping assembly 2 includes a clamping block 201 slidably connected to the turning frame 107. One end of the clamping block 201 extends into the clamping groove 108. A cylinder 202 is fixed on the turning frame 107. The telescopic end of the cylinder 202 is connected to the other end of the clamping block 201.

[0044] In an embodiment of the present invention, after the round pipe enters the clamping groove 108, the first cylinder 202 extends, and the first cylinder 202 drives the clamping block 201 to squeeze the round pipe, and the clamping block 201 and the clamping groove 108 clamp the round pipe.

[0045] As Figures 1 - 7 shown, as a preferred embodiment of the present invention, the welding mechanism includes a horizontal welding assembly 3 and an arc welding assembly 4. When the round pipe and the square pipe are in a horizontal state, the horizontal welding assembly 3 welds the horizontal connection of the round pipe and the square pipe. When the turning frame 107 drives the round pipe and the square pipe to rotate, the arc welding assembly 4 welds the arc connection of the round pipe and the square pipe; the arc welding assembly 4 includes two support blocks 401 fixed to the upper end of the workbench 101. Electric telescopic rods three 402 are fixed on both support blocks 401. Welding heads two 403 are slidably connected to both support blocks 401. The telescopic ends of the two electric telescopic rods three 402 are respectively fixedly connected to the two welding heads two 403, and the two welding heads two 403 are respectively located on both sides of the square pipe; the horizontal welding assembly 3 includes a mounting block 301 arranged on the workbench 101. A guiding groove 302 is horizontally arranged in the mounting block 301. A concave frame 303 is slidably connected in the guiding groove 302. An electric telescopic rod one 304 is fixedly arranged at the lower end of the concave frame 303. The telescopic end of the electric telescopic rod one 304 is connected to the concave frame 303. Electric telescopic rods two 305 are fixed at both ends of the concave frame 303. Welding heads one 306 are slidably connected to both ends of the concave frame 303. The telescopic ends of the two electric telescopic rods two 305 are respectively fixedly connected to the welding heads one 306.

[0046] In an embodiment of the present invention, when the round pipe contacts the square pipe, the round pipe and the square pipe are in a horizontal state. The electric telescopic rod two 305 can adjust the distance between the welding head one 306 and the weld seam. The two welding heads one 306 are respectively located above and below the round pipe and the square pipe. Under the guiding action of the guiding groove 302, the electric telescopic rod one 304 drives the concave frame 303 to move, and the concave frame 303 drives the two welding heads one 306 to move. The welding head one 306 welds the upper and lower two straight weld seams of the round pipe and the square pipe, thereby realizing the preliminary connection of the round pipe and the square pipe. The electric telescopic rod three 402 adjusts the distance between the welding head two 403 and the arc weld seam. The two welding heads two 403 are located above the round pipe. The turning frame 107 drives the square pipe and the round pipe to rotate, so that the arc weld seam of the square pipe and the round pipe moves relative to the welding head two 403, and then the welding head two 403 welds the arc weld seam of the round pipe and the square pipe, thereby completing the welding of the round pipe and the square pipe.

[0047] As Figure 4 、 Figure 6 、 Figure 7 、 Figure 8 andFigure 9 As shown in the figure, as a preferred embodiment of the present invention, a transmission assembly 7 is provided on the workbench 101. The transmission assembly 7 includes a transmission chute 701 horizontally arranged on the workbench 101. The mounting block 301 is slidably connected in the transmission chute 701. A fixed sliding shaft 702 is fixed to the side wall of the mounting block 301. A pushing groove 703 is provided on the side wall of the turning frame 107. The fixed sliding shaft 702 is slidably connected in the pushing groove 703. A support plate 704 is fixed on the mounting block 301.

[0048] In the embodiment of the present invention, when the turning frame 107 rotates, the turning frame 107 pushes the fixed sliding shaft 702 through the pushing groove 703. Under the guiding action of the transmission chute 701, the fixed sliding shaft 702 drives the mounting block 301 away from the blanking port 102. The mounting block 301 drives the concave frame 303, the second electric telescopic rod 305 and the first welding head 306 away from the blanking port 102, avoiding the collision of the welded round pipe and square pipe on the concave frame 303, the second electric telescopic rod 305 and the first welding head 306 when they fall from the blanking port 102, so as to enable the smooth blanking of the welded round pipe and square pipe and protect the concave frame 303, the second electric telescopic rod 305 and the first welding head 306; and in the initial state, the mounting block 301 drives the support plate 704 to block the blanking port 102, so that the round pipe can smoothly enter the clamping groove 108, avoiding the jumping or jamming of the round pipe in the gap between the turning frame 107 and the blanking port 102 during feeding. When the mounting block 301 drives the concave frame 303, the second electric telescopic rod 305 and the first welding head 306 away from the blanking port 102, the mounting block 301 drives the support plate 704 away from the blanking port 102, thus opening the blanking port 102.

[0049] As Figures 1 - 6 shown in the figure, as a preferred embodiment of the present invention, the pushing mechanism includes a first pushing component 5 and a second pushing component 6. The first pushing component 5 is used to push the round pipe at the bottom layer of the round pipe feeding hopper 103 to above the blanking port 102. The second pushing component 6 is used to push the square pipe at the bottom layer of the square pipe feeding hopper 104 to above the blanking port 102; the first pushing component 5 includes a pushing block 501 slidably connected in the first guiding sink 105, and a second cylinder 502 fixed to the bottom of the workbench 101. An avoidance opening 503 is provided on the first guiding sink 105. The pushing block 501 is connected to the telescopic end of the second cylinder 502 through the avoidance opening 503; the second pushing component 6 includes a pushing block 601 slidably connected in the second guiding sink 106, and a third cylinder 602 fixed to the bottom of the workbench 101. An avoidance opening 603 is provided on the second guiding sink 106. The pushing block 601 is connected to the telescopic end of the third cylinder 602 through the avoidance opening 603.

[0050] In an embodiment of the present invention, the second cylinder 502 contracts, driving the first pusher block 501 to move. The first pusher block 501 pushes out the round tube at the bottom layer of the round tube hopper 103 until the round tube enters the clamping groove 108. The third cylinder 602 contracts, driving the second pusher block 601 to move. The second pusher block 601 pushes out the square tube at the bottom layer of the square tube hopper 104 until the square tube is attached to the side wall of the round tube. After the clamping assembly 2 clamps the round tube and the linear weld of the round tube and the square tube is completed, the second cylinder 502 and the third cylinder 602 extend, and the first pusher block 501 and the second pusher block 601 move in the reverse direction and reset.

[0051] As Figure 1 and Figure 3 shown, as a preferred embodiment of the present invention, a baffle 801 is rotatably connected to the side wall of the round tube hopper 103. A tension spring 802 is fixed to the baffle 801, and the end of the tension spring 802 is fixed to the round tube hopper 103.

[0052] In an embodiment of the present invention, in the initial state, the tension spring 802 pulls the baffle 801, and the baffle 801 blocks the notch on the side of the bottom of the round tube hopper 103 near the material dropping port 102. The first pusher block 501 and the baffle 801 block the notch at the bottom of the round tube hopper 103, thereby preventing the round tube from sliding out of the notch at the bottom of the round tube hopper 103. When the first pusher block 501 pushes the round tube at the bottom layer of the round tube hopper 103 to move, the round tube overcomes the elastic force of the tension spring 802 and drives the baffle 801 to flip upwards.

[0053] In the above embodiments of the present invention, a welding device for a wind resistance rowing machine is provided. The round tubes are stacked in the round tube feeding hopper 103, and the square tubes are stacked in the square tube feeding hopper 104. There are gaps at the bottoms of both the round tube feeding hopper 103 and the square tube feeding hopper 104. The size of the gap at the bottom of the round tube feeding hopper 103 allows only one round tube to pass through horizontally. The tension spring 802 pulls the baffle 801, and the baffle 801 blocks the gap on the side of the bottom of the round tube feeding hopper 103 close to the blanking port 102. The pusher block 501 and the baffle 801 block the gap at the bottom of the round tube feeding hopper 103, thereby preventing the round tubes from sliding out of the gap at the bottom of the round tube feeding hopper 103. The size of the gap at the bottom of the square tube feeding hopper 104 allows only one square tube to pass through horizontally. The mounting block 301 drives the support plate 704 to block the blanking port 102. The cylinder 502 contracts, and the cylinder 502 drives the pusher block 501 to move. The pusher block 501 pushes out the lowermost round tube in the round tube feeding hopper 103. The round tube overcomes the elastic force of the tension spring 802 and drives the baffle 801 to flip upward until the round tube passes through the support plate 704 and enters the clamping groove 108. The cylinder 602 contracts, and the cylinder 602 drives the pusher block 601 to move. The pusher block 601 pushes out the lowermost square tube in the square tube feeding hopper 104 until the square tube is attached to the side wall of the round tube. The cylinder 202 extends, and the cylinder 202 drives the clamping block 201 to squeeze the round tube. The clamping block 201 and the clamping groove 108 clamp the round tube, completing the feeding and clamping of the round tube and the square tube;

[0054] The electric telescopic rod 305 can adjust the distance between the welding head 306 and the weld seam. The two welding heads 306 are respectively located above and below the round tube and the square tube. Under the guiding action of the guiding groove 302, the electric telescopic rod 304 drives the concave frame 303 to move. The concave frame 303 drives the two welding heads 306 to move. The welding head 306 welds the upper and lower straight weld seams of the round tube and the square tube, thereby realizing the preliminary connection of the round tube and the square tube. The electric telescopic rod 402 adjusts the distance between the welding head 403 and the arc weld seam. The two welding heads 403 are located above the round tube. The cylinder 502 and the cylinder 602 extend, and the pusher block 501 and the pusher block 601 move in the opposite direction and reset;

[0055] The motor 109 drives the turning frame 107 to rotate. The turning frame 107 drives the square pipe and the round pipe to rotate, thereby moving the arc-shaped weld seams of the square pipe and the round pipe relative to the second welding head 403. Then, the second welding head 403 welds the arc-shaped weld seams of the round pipe and the square pipe, thus completing the welding of the round pipe and the square pipe. When the turning frame 107 rotates, the turning frame 107 pushes the fixed sliding shaft 702 through the pushing groove 703. Under the guiding action of the transmission sliding groove 701, the fixed sliding shaft 702 drives the mounting block 301 away from the blanking port 102. The mounting block 301 drives the support plate 704, the concave-shaped frame 303, the second electric telescopic rod 305, and the first welding head 306 away from the blanking port 102. The blanking port 102 opens, and when the welded round pipe and square pipe fall from the blanking port 102, it can avoid collision with the concave-shaped frame 303, the second electric telescopic rod 305, and the first welding head 306, thereby enabling the welded round pipe and square pipe to fall smoothly, and protecting the concave-shaped frame 303, the second electric telescopic rod 305, and the first welding head 306;

[0056] After welding, the motor 109 drives the turning frame 107 to rotate, making the square pipe in a vertical state. The first cylinder 202 contracts, and the clamping block 201 releases the round pipe. The welded round pipe and square pipe fall from the blanking port 102, thereby realizing the automatic discharging of the welded round pipe and square pipe. The motor 109 drives the turning frame 107 to flip and reset, thus avoiding manual clamping and disassembly of the welded parts, improving the welding efficiency of the square pipe and the round pipe, and realizing the automatic welding of the square pipe and the round pipe.

[0057] As Figures 1 - 11 shown, a welding method for a wind resistance rowing machine provided by an embodiment of the present invention is based on the above-mentioned wind resistance rowing machine welding device, and includes the following steps:

[0058] Step 1: Stack the round pipes in the round pipe supply hopper 103, and stack the square pipes in the square pipe supply hopper 104;

[0059] Step 2: The feeding mechanism pushes the round pipes and square pipes at the bottom layer of the round pipe supply hopper 103 and the square pipe supply hopper 104 to move towards each other and come into contact;

[0060] Step 3: After the round pipe enters the clamping groove 108, the clamping assembly 2 fixes the steel pipe in the clamping groove 108;

[0061] Step 4: The welding mechanism welds the connection part of the round pipe and the square pipe;

[0062] Step 5: The motor 109 drives the turning frame 107 to rotate, and the turning frame 107 drives the round pipe and the square pipe to rotate to a vertical state;

[0063] Step 6: After the opening of the clamping groove 108 faces downward, the clamping assembly 2 releases the steel pipe, and the welded support frame falls from the blanking port 102 and is pushed.

[0064] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A welding device for a wind resistance rowing machine, comprising a workbench, characterized in that, It further includes: A round pipe feeding hopper and a square pipe feeding hopper fixed to the upper end of the workbench. Guide grooves I and II are respectively arranged below the round pipe feeding hopper and the square pipe feeding hopper at the upper end of the workbench. A blanking port is arranged in the middle of the workbench. A turning frame is rotatably connected in the blanking port. A motor is fixed on the workbench. The rotating end of the motor is fixedly connected to the turning frame. A clamping groove is arranged on the turning frame. A clamping assembly is arranged in the clamping groove. The clamping assembly is used to fix the steel pipe in the clamping groove. A pushing mechanism is arranged on the workbench. The pushing mechanism is used to push the round pipes and square pipes at the bottom layer of the round pipe feeding hopper and the square pipe feeding hopper to move towards each other and contact. A welding mechanism is arranged on the workbench. The welding mechanism is used to weld the connection part of the round pipe and the square pipe. The welding mechanism includes a horizontal welding component and an arc welding component. When the round pipe and the square pipe are in a horizontal state, the horizontal welding component welds the horizontal connection part of the round pipe and the square pipe. When the turning frame drives the round pipe and the square pipe to rotate, the arc welding component welds the arc connection part of the round pipe and the square pipe. The arc welding component includes two support blocks fixed to the upper end of the workbench. Electric telescopic rods III are fixed on both support blocks. Welding heads II are slidably connected to both support blocks. The telescopic ends of the two electric telescopic rods III are respectively fixedly connected to the two welding heads II. The two welding heads II are respectively located on both sides of the square pipe. The horizontal welding component includes a mounting block arranged on the workbench. A guide groove is horizontally arranged on the mounting block. A concave frame is slidably connected in the guide groove. Electric telescopic rods I are fixedly arranged at the lower end of the concave frame. The telescopic end of the electric telescopic rod I is connected to the concave frame. Electric telescopic rods II are fixed at both ends of the concave frame. Welding heads I are slidably connected to both ends of the concave frame. The telescopic ends of the two electric telescopic rods II are respectively fixedly connected to the welding heads I. A transmission component is arranged on the workbench. The transmission component includes a transmission chute horizontally arranged on the workbench. The mounting block is slidably connected in the transmission chute. A fixed sliding shaft is fixed to the side wall of the mounting block. A pushing groove is arranged on the side wall of the turning frame. The fixed sliding shaft is slidably connected in the pushing groove. A support plate is fixed on the mounting block.

2. The wind resistance rowing machine welding device according to claim 1, characterized in that, The clamping assembly includes a clamping block slidably connected to the turning frame. One end of the clamping block extends into the clamping groove. A cylinder I is fixed to the turning frame. The telescopic end of the cylinder I is connected to the other end of the clamping block.

3. The welding device for a wind resistance rowing machine according to claim 1, characterized in that, The pushing mechanism includes a pushing component I and a pushing component II. The pushing component I is used to push the round pipes at the bottom layer of the round pipe feeding hopper to above the blanking port. The pushing component II is used to push the square pipes at the bottom layer of the square pipe feeding hopper to above the blanking port.

4. The wind resistance rowing machine welding device according to claim 3, characterized in that, The pushing component I includes a pushing block I slidably connected in the guide groove I and a cylinder II fixed to the bottom of the workbench. An avoidance opening I is arranged on the guide groove I. The pushing block I is connected to the telescopic end of the cylinder II through the avoidance opening I.

5. The wind resistance rowing machine welding device according to claim 3, characterized in that, The second material pushing component includes a second material pushing block slidably connected in a second guiding sunk groove, and a third cylinder fixed at the bottom of the workbench. A second avoiding opening is arranged on the second guiding sunk groove. The second material pushing block is connected with the telescopic end of the third cylinder through the second avoiding opening.

6. A welding method for a wind resistance rowing machine, based on the wind resistance rowing machine welding device according to any one of the above claims 1-5, characterized in that, It includes the following steps: Step 1: Stack the round tubes in the round tube feeding hopper and stack the square tubes in the square tube feeding hopper. Step 2: The material pushing mechanism pushes the round tubes and square tubes at the bottom layer of the round tube feeding hopper and the square tube feeding hopper to move towards each other and contact. Step 3: After the round tubes enter the clamping grooves, the clamping component fixes the steel tubes in the clamping grooves. Step 4: The welding mechanism welds the connection between the round tubes and the square tubes. Step 5: The motor drives the turnover frame to rotate, and the turnover frame drives the round tubes and the square tubes to rotate to the vertical state. Step 6: After the opening of the clamping groove faces downward, the clamping component releases the steel tubes, and the welded support frame falls from the blanking opening and is pushed.

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