Wind resistance rowing machine welding device and method

Abstract

The invention is suitable for the technical field of wind resistance rowing machine welding, and provides a wind resistance rowing machine welding device and a method thereof.The wind resistance rowing machine welding device comprises a workbench and further comprises a round pipe feeding hopper and a square pipe feeding hopper which are fixed to the upper end of the workbench; a first guide sinking groove and a second guide sinking groove are formed in the positions, below the round pipe feeding hopper and the square pipe feeding hopper, of the upper end of the workbench correspondingly. A discharging opening is formed in the middle of the workbench, a turnover frame is rotationally connected into the discharging opening, a motor is fixed to the workbench, the rotating end of the motor is fixedly connected with the turnover frame, and a clamping groove is formed in the turnover frame. Through cooperation of the material pushing mechanism, the round pipe feeding hopper and the square pipe feeding hopper, automatic feeding of round pipes and square pipes is achieved, automatic discharging of welding parts can be achieved in the mode that the discharging opening and the overturning frame drive the round pipes and the square pipes to rotate, and therefore manual clamping and disassembling of the welding parts are avoided, the welding efficiency of the square pipes and the round pipes is improved, and the welding quality of the square pipes is improved. And automatic welding of the square pipe and the round pipe is achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of wind resistance rowing machine welding, and in particular relates to a wind resistance rowing machine welding device and a method thereof. Background Art

[0002] The wind resistance rowing machine includes main components such as the body, water tank, rowing handle, foot pedal and fan. During production, the body needs to be connected to the bottom support frame by bolts. The bottom support frame is a welded part, which is usually made of round tubes and square tubes welded together.

[0003] When welding round tubes and square tubes, the welding points are two straight lines and two arc lines. The round tubes and square tubes are first positioned and clamped by a clamp, and then the workers hold the welding guns to weld the round tubes and square tubes, and weld the two straight lines and two arc welds.

[0004] The above manual welding method is not suitable for welding of large quantities of round tubes and square tubes. During welding, workers need to constantly clamp and disassemble round tubes and square tubes, which is labor-intensive and has low efficiency of manual clamping and welding. Therefore, a welding device that can automatically load and unload materials is needed to improve the welding efficiency of the wind resistance rowing machine. Summary of the invention

[0005] The purpose of the embodiments of the present invention is to provide a wind resistance rowing machine welding device and method thereof, aiming to solve the problem that when welding large quantities of parts, workers need to constantly clamp and disassemble round tubes and square tubes, the work intensity is high, and the manual clamping and welding efficiency is low.

[0006] The present invention is achieved as follows: a wind resistance rowing machine welding device comprises a workbench, and also comprises: a round tube feeding hopper and a square tube feeding hopper fixed on the upper end of the workbench, wherein the upper end of the workbench is located below the round tube feeding hopper and the square tube feeding hopper and is respectively provided with a guide trough 1 and a guide trough 2; a material drop opening is provided in the middle of the workbench, and a turning frame is rotatably connected in the material drop opening, 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 provided on the turning frame, and a clamping assembly is provided in the clamping groove, and the clamping assembly is used to fix the steel pipe in the clamping groove; a pushing mechanism is provided 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 feeding hopper and the square tube feeding hopper to move toward each other and contact; a welding mechanism is provided on the workbench, and the welding mechanism is used to weld the connection between the round tube and the square tube.

[0007] According to a further technical solution, the clamping assembly comprises a clamping block slidably connected to the flip frame, one end of the clamping block extends into the clamping groove, and a cylinder 1 is fixed to the flip frame, and the telescopic end of the cylinder 1 is connected to the other end of the clamping block.

[0008] A further technical solution is that the welding mechanism includes a horizontal welding assembly and an arc welding assembly. When the round tube and the square tube are in a horizontal state, the horizontal welding assembly welds the horizontal connection between the round tube and the square tube. When the turning frame drives the round tube and the square tube to rotate, the arc welding assembly welds the arc connection between the round tube and the square tube.

[0009] A further technical solution is that the arc welding assembly includes two support blocks fixed on the upper end of the workbench, an electric telescopic rod three is fixed on the two support blocks, a welding head two is slidably connected to the two support blocks, the telescopic ends of the two electric telescopic rods three are respectively fixedly connected to the two welding heads two, and the two welding heads two are respectively located on both sides of the square tube.

[0010] A further technical solution is that the horizontal welding assembly includes a mounting block arranged on a workbench, a guide groove is horizontally arranged on the mounting block, a concave frame is slidably connected in the guide groove, an electric telescopic rod 1 is fixed to the lower end of the concave frame, the telescopic end of the electric telescopic rod 1 is connected to the concave frame, electric telescopic rod 2 is fixed at both ends of the concave frame, a welding head 1 is slidably connected to both ends of the concave frame, and the telescopic ends of the two electric telescopic rods 2 are respectively fixedly connected to the welding head 1.

[0011] A further technical solution is that the workbench is provided with a transmission assembly, and the transmission assembly includes a transmission slide groove horizontally arranged on the workbench, the mounting block is slidably connected in the transmission slide groove, a fixed slide shaft is fixed to the side wall of the mounting block, a push groove is provided on the side wall of the flip frame, the fixed slide shaft is slidably connected in the push groove, and a support plate is fixed on the mounting block.

[0012] According to a further technical solution, the pushing mechanism includes a pushing assembly 1 and a pushing assembly 2. The pushing assembly 1 is used to push the round tubes at the bottom layer of the round tube supply hopper to above the drop port, and the pushing assembly 2 is used to push the square tubes at the bottom layer of the square tube supply hopper to above the drop port.

[0013] A further technical solution is that the pushing assembly includes a pushing block slidably connected in a guide groove, and a cylinder fixed at the bottom of the workbench, the guide groove is provided with an avoidance opening, and the pushing block is connected to the telescopic end of the cylinder through the avoidance opening.

[0014] A further technical solution is that the pushing assembly 2 includes a pushing block 2 slidably connected in a guide trough 2, and a cylinder 3 fixed at the bottom of the workbench, and the guide trough 2 is provided with an avoidance opening 2, and the pushing block 2 is connected to the telescopic end of the cylinder 3 through the avoidance opening 2.

[0015] A wind resistance rowing machine welding method, based on the wind resistance rowing machine welding device, comprises the following steps: Step 1: Place the round tubes in the round tube supply hopper and the square tubes in the square tube supply hopper; Step 2: The pushing mechanism pushes the round tubes and square tubes at the bottom of the round tube feeding hopper and the square tube feeding hopper to move toward each other and make contact; Step 3: After the round tube enters the clamping groove, the clamping assembly fixes the steel tube in the clamping groove; Step 4: The welding mechanism welds the joints between the round tube and the square tube; 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 a vertical state; Step 6. After the clamping groove opens downward, the clamping assembly releases the steel pipe, and the welded support frame falls from the drop opening and pushes the material.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The push mechanism cooperates with the round tube feeding hopper and the square tube feeding hopper to realize the automatic feeding of round tubes and square tubes. The blanking port and the turning frame drive the round tubes and square tubes to rotate, which can realize the automatic unloading of welded parts, thereby avoiding manual clamping and disassembly of welded parts, thereby improving the welding efficiency of square tubes and round tubes and realizing automatic welding of square tubes and round tubes; 2. When the turning frame rotates, the turning frame pushes the fixed sliding shaft through the pushing groove. Under the guidance 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, so as to avoid collision with the concave frame, the second electric telescopic rod and the first welding head when the welded round tube and square tube fall from the blanking port, thereby making the welded round tube and square tube fall smoothly and protecting the concave frame, the second electric telescopic rod and the first welding head; 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 to prevent the round tube from jumping or getting stuck in the gap between the flip frame and the blanking port when loading; 4. The tension spring pulls the baffle, which blocks the notch at the bottom of the round tube feeding hopper close to the feeding port. The push block 1 and the baffle block block the notch at the bottom of the round tube feeding hopper, thereby preventing the round tube from slipping out of the notch at the bottom of the round tube feeding hopper. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of a wind resistance rowing machine welding device and method provided by the present invention; Figure 2 The present invention provides Figure 1 Schematic diagram of the structure when looking up at the tilt angle; Figure 3 The present invention provides Figure 1 The structural diagram of the workbench in the middle; Figure 4 The present invention provides Figure 1 Schematic diagram of the structure after removing the workbench, round tube feeding hopper and square tube feeding hopper; Figure 5 The present invention provides Figure 4 Schematic diagram of the structure after removing the round tube and square tube to be welded; Figure 6 The present invention provides Figure 4 Schematic diagram of the structure of the horizontal welding assembly and the arc welding assembly; Figure 7 The present invention provides Figure 6 Schematic diagram of the structure of the mid-level welding assembly; Figure 8 The present invention provides Figure 1 The structural diagram of the middle turning frame; Fig. 9 The present invention provides Figure 1 Schematic diagram of the structure after removing the round tube feeding hopper and the square tube feeding hopper; Fig.10 A schematic diagram of the structure of the wind resistance rowing machine provided by the present invention; Fig.11 This is a schematic diagram of the bottom support frame structure of the machine body provided by the present invention.

[0018] In the attached drawings: 101, workbench; 102, drop opening; 103, round tube feeding hopper; 104, square tube feeding hopper; 105, guide trough 1; 106, guide trough 2; 107, flip frame; 108, clamping groove; 109, motor; 2, clamping assembly; 201, clamping block; 202, cylinder 1; 3, horizontal welding assembly; 301, mounting block; 302, guide groove; 303, concave frame; 304, electric telescopic rod 1; 305, electric telescopic rod 2; 306 , welding head one; 4, arc welding assembly; 401, support block; 402, electric telescopic rod three; 403, welding head two; 5, pushing assembly one; 501, pushing block one; 502, cylinder two; 503, avoidance opening one; 6, pushing assembly two; 601, pushing block two; 602, cylinder three; 603, avoidance opening two; 7, transmission assembly; 701, transmission slide; 702, fixed slide shaft; 703, push groove; 704, support plate; 801, baffle; 802, tension spring. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0020] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 8 , Fig. 9 , Fig.10 and Fig.11 As shown, a wind resistance rowing machine welding device provided by an embodiment of the present invention includes a workbench 101, and also includes: a round tube feeding hopper 103 and a square tube feeding hopper 104 fixed at the upper end of the workbench 101, and the upper end of the workbench 101 is located below the round tube feeding hopper 103 and the square tube feeding hopper 104 and is respectively provided with a guide sink 105 and a guide sink 2 106; a blanking port 102 is provided in the middle of the workbench 101, and a turning frame 107 is rotatably connected in the blanking port 102, and a motor 109 is fixed on the workbench 101. The rotating end of the motor 109 is fixedly connected to the turning frame 107, and the turning frame 107 is provided with a clamping groove 108. The clamping groove 108 is provided with a clamping assembly 2, and the clamping assembly 2 is used to fix the steel pipe in the clamping groove 108; the workbench 101 is provided with a pushing mechanism, and 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 toward each other and contact; the workbench 101 is provided with a welding mechanism, and the welding mechanism is used to weld the connection between the round tube and the square tube.

[0022] 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 round tube feeding hopper 103 and the square tube feeding hopper 104 are both provided with notches at the bottom. The notch at the bottom of the round tube feeding hopper 103 is large enough for only one round tube to pass horizontally, and the notch at the bottom of the square tube feeding hopper 104 is large enough for only one square tube to pass horizontally. The pushing mechanism pushes the round tubes and square tubes at the bottom of the round tube feeding hopper 103 and the square tube feeding hopper 104 to move toward each other and contact each other. At this time, the round tube is located above the drop port 102. After the round tube enters the clamping groove 108, the clamping assembly 2 fixes the steel tube in the clamping groove 108, and the welding mechanism fixes the round tube and The connection of the square tube is welded, and the motor 109 drives the turning frame 107 to rotate, and the turning frame 107 drives the round tube and the square tube to rotate to a vertical state. After the clamping groove 108 opens downward, the clamping assembly 2 releases the steel tube, and the welded support frame falls from the drop port 102 and pushes the material. Through the cooperation of the pushing mechanism and the round tube feeding hopper 103 and the square tube feeding hopper 104, the automatic loading of the round tube and the square tube is realized. The drop port 102 and the turning frame 107 drive the round tube and the square tube to rotate, which can realize the automatic unloading of the welded parts, thereby avoiding manual clamping and disassembly of the welded parts, thereby 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.

[0023] like Figure 1 , Figure 4 and Figure 8 As shown, as a preferred embodiment of the present invention, the clamping assembly 2 includes a clamping block 201 slidably connected to the flip frame 107, one end of the clamping block 201 extends into the clamping groove 108, and a cylinder 202 is fixed on the flip frame 107, and the telescopic end of the cylinder 202 is connected to the other end of the clamping block 201.

[0024] In the embodiment of the present invention, when the round tube enters the clamping groove 108, the cylinder 1 202 extends, and the cylinder 1 202 drives the clamping block 201 to squeeze the round tube, and the clamping block 201 and the clamping groove 108 clamp the round tube.

[0025] like Figure 1-Figure 7 As 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 tube and the square tube are in a horizontal state, the horizontal welding assembly 3 welds the horizontal connection between the round tube and the square tube. When the turning frame 107 drives the round tube and the square tube to rotate, the arc welding assembly 4 welds the arc connection between the round tube and the square tube; the arc welding assembly 4 includes two support blocks 401 fixed on the upper end of the workbench 101, and the two support blocks 401 are fixed with electric telescopic rods 3 402, and the two support blocks 401 are slidably connected with welding heads 2 403, and the telescopic ends of the two electric telescopic rods 3 402 are respectively fixed to the two welding heads 2 403. The two welding heads 403 are respectively located on both sides of the square tube; the horizontal welding assembly 3 includes a mounting block 301 arranged on the workbench 101, and a guide groove 302 is horizontally arranged on the mounting block 301, and a concave frame 303 is slidably connected in the guide groove 302, and an electric telescopic rod 304 is fixed to the lower end of the concave frame 303, and the telescopic end of the electric telescopic rod 304 is connected to the concave frame 303, and electric telescopic rods 305 are fixed at both ends of the concave frame 303, and welding heads 306 are slidably connected to both ends of the concave frame 303, and the telescopic ends of the two electric telescopic rods 305 are respectively fixed to the welding heads 306.

[0026] In the embodiment of the present invention, when the round tube contacts the square tube, the round tube and the square tube are in a horizontal state, the electric telescopic rod 305 can adjust the distance between the welding head 306 and the weld, and the two welding heads 306 are respectively located above and below the round tube and the square tube. Under the guiding action of the guide groove 302, the electric telescopic rod 304 drives the concave frame 303 to move, and the concave frame 303 drives the two welding heads 306 to move, and the welding head 306 welds the upper and lower straight welds of the round tube and the square tube, thereby realizing the preliminary connection of the round tube and the square tube, and the electric telescopic rod 3 402 adjusts the distance between the welding head 403 and the arc weld, and the two welding heads 403 are located above the round tube, and the flip frame 107 drives the square tube and the round tube to rotate, thereby making the arc welds of the square tube and the round tube move relative to the welding head 403, and then the welding head 403 welds the arc welds of the round tube and the square tube, thereby completing the welding of the round tube and the square tube.

[0027] like Figure 4 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown, as a preferred embodiment of the present invention, a transmission assembly 7 is arranged on the workbench 101, and the transmission assembly 7 includes a transmission slide groove 701 horizontally arranged on the workbench 101, the mounting block 301 is slidably connected in the transmission slide groove 701, a fixed slide shaft 702 is fixed to the side wall of the mounting block 301, a pushing groove 703 is arranged on the side wall of the flip frame 107, the fixed slide shaft 702 is slidably connected in the pushing groove 703, and a support plate 704 is fixed to the mounting block 301.

[0028] In the embodiment of the present invention, when the flip frame 107 rotates, the flip frame 107 pushes the fixed slide shaft 702 through the push groove 703. Under the guidance of the transmission slide groove 701, the fixed slide shaft 702 drives the mounting block 301 away from the blanking port 102, and the mounting block 301 drives the concave frame 303, the electric telescopic rod 2 305 and the welding head 1 306 away from the blanking port 102, so as to avoid the collision of the concave frame 303, the electric telescopic rod 2 305 and the welding head 1 306 when the welded round tube and square tube fall from the blanking port 102, thereby making the welded round tube and square tube fall smoothly. , and protect the concave frame 303, the electric telescopic rod 2 305 and the welding head 1 306; and in the initial state, the mounting block 301 drives the support plate 704 to block the blanking port 102, so that the round tube can smoothly enter the clamping groove 108, to prevent the round tube from jumping or getting stuck in the gap between the flip frame 107 and the blanking port 102 when loading, and when the mounting block 301 drives the concave frame 303, the electric telescopic rod 2 305 and the welding head 1 306 away from the blanking port 102, the mounting block 301 drives the support plate 704 away from the blanking port 102, so that the blanking port 102 is opened.

[0029] like Figure 1-Figure 6 As shown, as a preferred embodiment of the present invention, the pushing mechanism includes a pushing assembly 1 5 and a pushing assembly 2 6. The pushing assembly 1 5 is used to push the round tubes at the bottom layer of the round tube feeding hopper 103 to above the material drop port 102, and the pushing assembly 2 6 is used to push the square tubes at the bottom layer of the square tube feeding hopper 104 to above the material drop port 102; the pushing assembly 1 5 includes a pushing block 1 501 slidably connected in the guide sink 1 105, and a cylinder 2 502 fixed at the bottom of the workbench 101. The guide trough 105 is provided with an avoidance opening 503, and the pusher block 501 is connected to the telescopic end of the cylinder 502 via the avoidance opening 503; the pusher assembly 6 includes a pusher block 601 slidably connected in the guide trough 106, and a cylinder 602 fixed at the bottom of the workbench 101, and the guide trough 106 is provided with an avoidance opening 603, and the pusher block 601 is connected to the telescopic end of the cylinder 602 via the avoidance opening 603.

[0030] In the embodiment of the present invention, cylinder two 502 contracts, cylinder two 502 drives push block one 501 to move, push block one 501 pushes out the round tube at the bottom layer of the round tube feeding hopper 103 until the round tube enters the clamping groove 108, cylinder three 602 contracts, cylinder three 602 drives push block two 601 to move, push block two 601 pushes out the square tube at the bottom layer of the square tube feeding 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 straight line weld of the round tube and the square tube is completed, cylinder two 502 and cylinder three 602 extend, push block one 501 and push block two 601 move in the opposite direction and reset.

[0031] like Figure 1 and Figure 3 As shown, as a preferred embodiment of the present invention, a baffle 801 is rotatably connected to the side wall of the round tube feeding 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 feeding hopper 103 .

[0032] In the embodiment of the present invention, in the initial state, the tension spring 802 pulls the baffle 801, and the baffle 801 blocks the notch at the bottom of the circular tube supply hopper 103 close to the drop port 102. The push block 501 and the baffle 801 block the notch at the bottom of the circular tube supply hopper 103, thereby preventing the circular tube from slipping out of the notch at the bottom of the circular tube supply hopper 103. When the push block 501 pushes the circular tube at the bottom of the circular tube supply hopper 103 to move, the circular tube overcomes the elastic force of the tension spring 802 and drives the baffle 801 to flip upward.

[0033] The above embodiment of the present invention provides a wind resistance rowing machine welding device, wherein the round tube is stacked in the round tube supply hopper 103, and the square tube is stacked in the square tube supply hopper 104. The round tube supply hopper 103 and the square tube supply hopper 104 are both provided with notches at the bottom. The notch at the bottom of the round tube supply hopper 103 is large enough for only one round tube to pass horizontally. The tension spring 802 pulls the baffle 801, and the baffle 801 blocks the notch at the bottom of the round tube supply hopper 103 close to the side of the drop port 102. The push block 501 and the baffle 801 block the notch at the bottom of the round tube supply hopper 103, thereby preventing the round tube from slipping out of the notch at the bottom of the round tube supply hopper 103. The notch at the bottom of the square tube supply hopper 104 is large enough for only one square tube to pass horizontally. The mounting block 301 drives The support plate 704 blocks the blanking port 102, the cylinder 2 502 contracts, the cylinder 2 502 drives the push block 1 501 to move, the push block 1 501 pushes out the bottom layer of 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 3 602 contracts, the cylinder 3 602 drives the push block 2 601 to move, the push block 2 601 pushes out the bottom layer of the square tube feeding hopper 104, until the square tube is attached to the side wall of the round tube, the cylinder 1 202 extends, the cylinder 1 202 drives the clamping block 201 to squeeze the round tube, the clamping block 201 and the clamping groove 108 clamp the round tube, and the feeding and clamping of the round tube and the square tube are completed; The electric telescopic rod 305 can adjust the distance between the welding head 306 and the weld. The two welding heads 306 are located above and below the round tube and the square tube, respectively. Under the guiding action of the guide groove 302, the electric telescopic rod 304 drives the concave frame 303 to move, and the concave frame 303 drives the two welding heads 306 to move. The welding head 306 welds the upper and lower straight welds 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. The two welding heads 403 are located above the round tube. The cylinder 502 and the cylinder 602 are extended, and the pusher block 501 and the pusher block 601 move in the opposite direction and reset. The motor 109 drives the flip frame 107 to rotate, and the flip frame 107 drives the square tube and the round tube to rotate, so that the arc weld of the square tube and the round tube moves relative to the welding head 403, so that the welding head 403 welds the arc weld of the round tube and the square tube, thereby completing the welding of the round tube and the square tube. When the flip frame 107 rotates, the flip frame 107 pushes the fixed slide shaft 702 through the pushing groove 703. Under the guidance of the transmission slide groove 701, the fixed slide shaft 702 drives the mounting block 301 away from The material drop opening 102, the mounting block 301 drives the support plate 704, the concave frame 303, the second electric telescopic rod 305 and the first welding head 306 away from the material drop opening 102, the material drop opening 102 is opened, and the concave frame 303, the second electric telescopic rod 305 and the first welding head 306 are prevented from colliding when the welded round tube and square tube fall from the material drop opening 102, so that the welded round tube and square tube can be dropped smoothly, and the concave frame 303, the second electric telescopic rod 305 and the first welding head 306 are protected; After welding is completed, the motor 109 drives the turning frame 107 to rotate, so that the square tube is in a vertical state, the cylinder 202 contracts, the clamping block 201 releases the round tube, and the welded round tube and square tube fall from the blanking port 102, thereby realizing the automatic withdrawal of the welded round tube and square tube, and the motor 109 drives the turning frame 107 to turn over and reset, thereby avoiding manual clamping and disassembly of welded parts, thereby improving the welding efficiency of square tubes and round tubes, and realizing automatic welding of square tubes and round tubes.

[0034] like Figure 1-Figure 11 As shown, a wind resistance rowing machine welding method provided by an embodiment of the present invention is based on the above-mentioned wind resistance rowing machine welding device, comprising the following steps: Step 1: Place the round tubes in the round tube supply hopper 103 and the square tubes in the square tube supply hopper 104; Step 2: The pushing mechanism pushes the round tubes and square tubes at the bottom of the round tube feeding hopper 103 and the square tube feeding hopper 104 to move toward each other and make contact; Step 3: After the round tube enters the clamping groove 108, the clamping assembly 2 fixes the steel tube in the clamping groove 108; Step 4: The welding mechanism welds the joints between the round tube and the square tube; Step 5: The motor 109 drives the turning frame 107 to rotate, and the turning frame 107 drives the round tube and the square tube to rotate to a vertical state; Step 6: After the clamping groove 108 opens downward, the clamping assembly 2 releases the steel pipe, and the welded support frame falls from the drop opening 102 and pushes the material.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wind resistance rowing machine welding device, comprising a workbench, characterized in that: Also includes: A round tube feeding hopper and a square tube feeding hopper are fixed at the upper end of the workbench, and a first guide sink trough and a second guide sink trough are respectively arranged at the upper end of the workbench below the round tube feeding hopper and the square tube feeding hopper; A blanking port is provided 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 provided on the turning frame, a clamping assembly is provided in the clamping groove, and the clamping assembly is used to fix the steel pipe in the clamping groove; The workbench is provided with a material pushing mechanism, which is used to push the round tubes and square tubes at the bottom of the round tube feeding hopper and the square tube feeding hopper to move toward each other and make contact; The workbench is provided with a welding mechanism, and the welding mechanism is used for welding the connection between the round tube and the square tube.

2. The wind resistance rowing machine welding device according to claim 1, characterized in that: The clamping assembly comprises a clamping block slidably connected to the flip frame, one end of the clamping block extends into the clamping groove, and a cylinder 1 is fixed on the flip frame, and the telescopic end of the cylinder 1 is connected to the other end of the clamping block.

3. The wind resistance rowing machine welding device according to claim 1, characterized in that: The welding mechanism includes a horizontal welding assembly and an arc welding assembly. When the round tube and the square tube are in a horizontal state, the horizontal welding assembly welds the horizontal connection between the round tube and the square tube. When the turning frame drives the round tube and the square tube to rotate, the arc welding assembly welds the arc connection between the round tube and the square tube.

4. The wind resistance rowing machine welding device according to claim 3, characterized in that: The arc welding assembly includes two support blocks fixed on the upper end of the workbench, and electric telescopic rods three are fixed on the two support blocks. Welding heads two are slidably connected to the two support blocks. The telescopic ends of the two electric telescopic rods three are respectively fixedly connected to the two welding heads two, and the two welding heads two are respectively located on both sides of the square tube.

5. The wind resistance rowing machine welding device according to claim 3, characterized in that: The horizontal welding assembly includes a mounting block arranged on a workbench, a guide groove is horizontally arranged on the mounting block, a concave frame is slidably connected in the guide groove, an electric telescopic rod 1 is fixed to the lower end of the concave frame, the telescopic end of the electric telescopic rod 1 is connected to the concave frame, an electric telescopic rod 2 is fixed at both ends of the concave frame, a welding head 1 is slidably connected to both ends of the concave frame, and the telescopic ends of the two electric telescopic rods 2 are respectively fixedly connected to the welding head 1.

6. The wind resistance rowing machine welding device according to claim 5, characterized in that: A transmission assembly is arranged on the workbench, and the transmission assembly includes a transmission slide groove horizontally arranged on the workbench, the mounting block is slidably connected in the transmission slide groove, a fixed slide shaft is fixed to the side wall of the mounting block, a push groove is arranged on the side wall of the flip frame, the fixed slide shaft is slidably connected in the push groove, and a support plate is fixed on the mounting block.

7. The wind resistance rowing machine welding device according to claim 1, characterized in that: The pushing mechanism includes a pushing component 1 and a pushing component 2. The pushing component 1 is used to push the round tubes at the bottom layer of the round tube supply hopper to above the drop port, and the pushing component 2 is used to push the square tubes at the bottom layer of the square tube supply hopper to above the drop port.

8. The wind resistance rowing machine welding device according to claim 7, characterized in that: The pusher assembly includes a pusher block slidably connected in a guide trough, and a cylinder 2 fixed at the bottom of the workbench. The guide trough is provided with an avoidance opening 1, and the pusher block 1 is connected to the telescopic end of the cylinder 2 through the avoidance opening 1.

9. The wind resistance rowing machine welding device according to claim 7, characterized in that: The pusher assembly 2 includes a pusher block 2 slidably connected in a guide trough 2, and a cylinder 3 fixed at the bottom of the workbench. The guide trough 2 is provided with an avoidance opening 2, and the pusher block 2 is connected to the telescopic end of the cylinder 3 through the avoidance opening 2.

10. A method for welding a wind resistance rowing machine, based on the wind resistance rowing machine welding device according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: Place the round tubes in the round tube supply hopper and the square tubes in the square tube supply hopper; Step 2: The pushing mechanism pushes the round tubes and square tubes at the bottom of the round tube feeding hopper and the square tube feeding hopper to move toward each other and make contact; Step 3: After the round tube enters the clamping groove, the clamping assembly fixes the steel tube in the clamping groove; Step 4: The welding mechanism welds the joints between the round tube and the square tube; 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 a vertical state; Step 6. After the clamping groove opens downward, the clamping assembly releases the steel pipe, and the welded support frame falls from the drop opening and pushes the material.

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