Welding machine for steel structure production

Abstract

A welding machine for steel structure production comprises a base, a side plate is fixedly connected to the rear portion of the top wall of the base, a welding mechanism is arranged on the side plate, L-shaped fixing plates are fixedly connected to the two sides of the top wall of the base correspondingly, rotating shafts are rotationally arranged on the inner walls of the sides, away from each other, of the two L-shaped fixing plates correspondingly, and a shell is fixedly connected to one end of each rotating shaft; a sleeve is fixedly connected to the outer wall of the side, away from the rotating shaft, of the shell. Compared with the prior art, the positioning device has the advantages that the piston is pushed to move by air pressure through the positioning mechanism, so that the four positioning plates can move towards the steel structure at the same time and fix the steel structure, the positioning speed is high, the time required for fixing the steel structure is greatly shortened, and the production efficiency is effectively improved; by arranging the rotating mechanism, the two fixing frames can drive the steel structure to rotate at the same time, and compared with rotation of a single-side fixing frame, uneven stress of a welding point can be avoided, and welding defects are not prone to being generated.

Description

Technical Field

[0001] This utility model relates to the field of steel structure production technology, and in particular to a welding machine for steel structure production. Background Technology

[0002] Steel structures are structures made of steel materials and are one of the main types of building structures. Due to their light weight and ease of construction, they are widely used in large factories, stadiums, and high-rise buildings. Welding machines are used to fix two otherwise unconnected steel structures together.

[0003] Chinese patent CN219053318U discloses a welding machine for steel structure production, including a base plate, on which a welding gun head is slidably mounted. Fixed plates are symmetrically mounted on the base plate, and each fixed plate is rotatably mounted with a fixed frame. A clamping structure is installed inside the fixed frame. A toothed ring is fixed on the outer wall of one side of the fixed frame. A limiting tooth engages on the toothed ring, and a first screw is rotatably mounted on the top of the limiting tooth. The first screw is threadedly connected to the fixed plate.

[0004] When the aforementioned welding machine is used to fix the steel structure, it is necessary to rotate the four second screws on the fixing frame to complete the fixing of the steel structure, which takes a long time and reduces production efficiency. Utility Model Content

[0005] The main purpose of this utility model is to provide a welding machine for steel structure production, which can effectively solve the problems in the background art.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a welding machine for steel structure production includes a base, a side plate fixedly connected to the rear of the top wall of the base, a welding mechanism provided on the side plate, L-shaped fixing plates fixedly connected to both sides of the top wall of the base, a rotating shaft rotatably provided on the inner wall of the side of the two L-shaped fixing plates that are far apart from each other, a housing fixedly connected to one end of the rotating shaft, a sleeve fixedly connected to the outer wall of the housing that is far away from the rotating shaft, a telescopic rod provided inside the sleeve, a fixing frame fixedly connected to the end of the telescopic rod that is far away from the rotating shaft, a positioning mechanism provided on the fixing frame, and a rotating mechanism provided inside the base.

[0007] As a further description of the above technical solution, the positioning mechanism includes a piston cylinder, a piston, a piston rod, a positioning plate, a return spring, a mounting plate, a bidirectional air pump, and a diverter pipe. Four piston cylinders are circumferentially arranged on the outer wall of the fixed frame. A piston is slidably arranged inside the piston cylinder. The piston rod of the piston extends into the fixed frame and is fixedly connected to the positioning plate. A return spring is provided between the piston and the inner wall of the piston cylinder near the fixed frame. A mounting plate is fixedly connected to the outer wall of the fixed frame near the telescopic rod. A bidirectional air pump is mounted on the mounting plate. A diverter pipe is fixedly sleeved on the outer side of the fixed frame. The output end of the bidirectional air pump is connected to the diverter pipe. The diverter pipe is connected to the four piston cylinders.

[0008] As a further description of the above technical solution, the rotating mechanism includes a vertical rod, a first worm gear, a motor, a transmission rod, a first worm, a second worm, and a second worm wheel. Vertical rods are rotatably mounted on both sides of the lower inner wall of the base. The upper end of each vertical rod extends to the outer side of the base and is rotatably connected to the upper inner wall of the L-shaped fixing plate. A first worm wheel is fixedly sleeved on the rod wall inside the base. A motor is installed on one outer wall of the base. The output shaft of the motor extends into the base and is fixedly connected to a transmission rod. Two first worms meshing with the first worm wheel are fixedly connected to the transmission rod. A second worm is fixedly connected to the rod wall outside the base. A second worm wheel meshing with the second worm is fixedly sleeved on the rotating shaft.

[0009] As a further description of the above technical solution, a screw is rotatably provided on the inner wall of the housing near the rotating shaft, and the other end of the screw extends into the interior of the telescopic rod and is threadedly connected to its inner wall. A third worm gear is fixedly sleeved on the end of the screw near the rotating shaft, and a third worm is rotatably provided on the lower inner wall of the housing. The upper end of the third worm extends to the top of the housing and is fixedly connected to a rotating wheel.

[0010] As a further description of the above technical solution, two symmetrically distributed sliding grooves are provided on the inner wall of the sleeve, and two sliders that cooperate with the sliding grooves are fixedly connected to the outer wall of the telescopic rod.

[0011] As a further description of the above technical solution, a rubber pad is provided on the side wall of the positioning plate away from the piston rod.

[0012] As a further description of the above technical solution, support frames are fixedly connected to both sides of the top wall of the base, and the sleeve is in rolling engagement with the support frames.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. Through the positioning mechanism, the piston is moved by air pressure, so that the four positioning plates can move towards the steel structure at the same time and fix the steel structure. The positioning speed is fast, which greatly shortens the time required to fix the steel structure and effectively improves production efficiency.

[0015] 2. The rotating mechanism allows the two fixed frames to rotate the steel structure simultaneously. Compared to rotating a fixed frame on one side, this avoids uneven stress at the welding points and reduces the likelihood of welding defects. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a welding machine for steel structure production according to the present invention;

[0017] Figure 2 This is a schematic diagram of the rotating shaft structure of a welding machine for steel structure production according to this utility model;

[0018] Figure 3 This is a cross-sectional view of the fixing frame of a welding machine for steel structure production according to this utility model;

[0019] Figure 4 This is a schematic diagram of a bidirectional air pump structure for a welding machine used in steel structure production according to this utility model.

[0020] Figure 5 This is a schematic diagram of the internal structure of the housing of a welding machine for steel structure production according to this utility model;

[0021] Figure 6 This is a cross-sectional view of the telescopic rod of a welding machine for steel structure production according to this utility model;

[0022] Figure 7 This is a schematic diagram of the internal structure of the base of a welding machine for steel structure production according to this utility model;

[0023] In the diagram: 1. Base; 2. Side plate; 21. Welding mechanism; 3. L-shaped fixing plate; 31. Rotating shaft; 4. Housing; 41. Sleeve; 42. Telescopic rod; 5. Fixing frame; 6. Positioning mechanism; 7. Rotating mechanism; 61. Piston cylinder; 62. Piston; 63. Piston rod; 64. Positioning plate; 65. Return spring; 66. Mounting plate; 67. Two-way air pump; 68. Diverter pipe; 71. Vertical rod; 72. First worm gear; 73. Motor; 74. Transmission rod; 75. First worm; 76. Second worm; 77. Second worm gear; 43. Screw; 44. Third worm gear; 45. Third worm; 411. Slide groove; 421. Slider; 11. Support frame. Detailed Implementation

[0024] To make the technical means, creative features, and objectives of this utility model easier to understand, the following describes this utility model in conjunction with specific embodiments.

[0025] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] Please see Figure 1-7 This utility model provides a welding machine for steel structure production, including a base 1, a side plate 2 fixedly connected to the rear of the top wall of the base 1, a welding mechanism 21 provided on the side plate 2, L-shaped fixing plates 3 fixedly connected to both sides of the top wall of the base 1, a rotating shaft 31 rotatably provided on the inner wall of the side of the two L-shaped fixing plates 3 that are far apart from each other, a housing 4 fixedly connected to one end of the rotating shaft 31, a sleeve 41 fixedly connected to the outer wall of the housing 4 that is far away from the rotating shaft 31, a telescopic rod 42 provided inside the sleeve 41, a fixing frame 5 fixedly connected to the end of the telescopic rod 42 that is far away from the rotating shaft 31, a positioning mechanism 6 provided on the fixing frame 5, and a rotating mechanism 7 provided inside the base 1.

[0028] Specifically, such as Figure 3 and Figure 4As shown, a welding machine for steel structure production includes a positioning mechanism 6 comprising a piston cylinder 61, a piston 62, a piston rod 63, a positioning plate 64, a return spring 65, a mounting plate 66, a bidirectional air pump 67, and a diverter pipe 68. Four piston cylinders 61 are circumferentially arranged on the outer wall of the fixed frame 5. A piston 62 slides within each piston cylinder 61. The piston rod 63 of the piston 62 extends into the fixed frame 5 and is fixedly connected to the positioning plate 64. A return spring 65 is provided between the piston 62 and the inner wall of the piston cylinder 61 near the fixed frame 5. A mounting plate 66 is fixedly connected to the outer wall of the fixed frame 5 near the telescopic rod 42. A bidirectional air pump 67 is mounted on the mounting plate 66. A diverter pipe 68 is fixedly sleeved on the outer side of the fixed frame 5. The output end of the bidirectional air pump 67 is connected to the diverter pipe 68. 8 is connected to the four piston cylinders 61. The bidirectional air pump 67 pressurizes the distribution pipe 68. The air pressure is distributed to each piston cylinder 61 through the distribution pipe. Driven by the air pressure, the piston 62 drives the piston rod 63 to move. The piston rod 63 pushes the positioning plate 64 closer to the steel structure. The width and height of the steel structure may be different, so there will be two positioning plates 64 that will contact the steel structure first. After contact, the air pressure can no longer push the positioning plate 64 to move, so it will enter the other two piston cylinders 61 to continue to push the other two pistons 62 to move, until all positioning plates 64 contact the steel structure. The bidirectional air pump 67 stops, and the positioning of the steel structure is completed. When the positioning is canceled, the bidirectional air pump 67 depressurizes, and the return spring 65 pushes the piston 62 to return, thereby releasing the positioning plate 64 from the steel structure.

[0029] Specifically, such as Figure 7As shown, a welding machine for steel structure production includes a rotating mechanism 7 comprising a vertical rod 71, a first worm gear 72, a motor 73, a transmission rod 74, a first worm 75, a second worm 76, and a second worm gear 77. Vertical rods 71 ​​are rotatably mounted on both sides of the lower inner wall of the base 1. The upper ends of the vertical rods 71 ​​extend to the outer side of the base 1 and are rotatably connected to the upper inner wall of the L-shaped fixing plate 3. The first worm gear 72 is fixedly sleeved on the rod wall of the vertical rod 71 within the base 1. A motor 73 is mounted on one outer wall of the base 1. The output shaft of the motor 73 extends into the base 1 and is fixedly connected to the transmission rod 74. Two first worm gears 75, meshing with the first worm gear 72, are fixedly connected to the transmission rod 74. The vertical rod 71 is located on the lower inner wall of the base 1. A second worm 76 is fixedly connected to the outer wall of the rod. A second worm wheel 77 that meshes with the second worm 76 is fixedly sleeved on the rotating shaft 31. During the welding process, the output shaft of the motor 73 can drive the transmission rod 74 to rotate. The rotation of the transmission rod 74 drives the first worm 75 to rotate. When the first worm 75 rotates, it can drive the first worm wheel 72 that meshes with it to rotate the vertical rod 71. The rotation of the vertical rod 71 drives the second worm 76 to rotate. The rotation of the second worm 76 can drive the second worm wheel 77 to rotate the rotating shaft 31, thereby causing the rotating shaft 31 to rotate the fixed frame 5. The two fixed frames 5 will drive the two ends of the steel structure to rotate in the same direction, making the welding point more stable, avoiding uneven stress on the welding point, and making it less likely to produce welding defects.

[0030] Specifically, such as Figure 5 As shown, a welding machine for steel structure production has a screw 43 rotatably mounted on the inner wall of the housing 4 near the rotating shaft 31. The other end of the screw 43 extends into the interior of the telescopic rod 42 and is threadedly connected to its inner wall. A third worm gear 44 is fixedly sleeved on one end of the screw 43 near the rotating shaft 31. A third worm 45 is rotatably mounted on the lower inner wall of the housing 4. The upper end of the third worm 45 extends to the top of the housing 4 and is fixedly connected to a rotating wheel. Rotating the rotating wheel can drive the third worm 45 to rotate, and the rotation of the third worm 45 can drive the third worm gear 44 to rotate the screw 43. When the screw 43 rotates, it can cause the telescopic rod 42 to move the fixed frame 5, adjusting the distance between the two fixed frames 5, thus making it suitable for steel structures of different lengths.

[0031] Specifically, such as Figure 6 As shown, a welding machine for steel structure production has two symmetrically distributed grooves 411 on the inner wall of the sleeve 41, and two sliders 421 that cooperate with the grooves 411 are fixedly connected to the outer wall of the telescopic rod 42. The sliders 421 cooperate with the grooves 411 to limit the telescopic rod 42 so that it can only move in a straight line and will not rotate with the screw 43.

[0032] Specifically, such as Figure 3 As shown, a welding machine for steel structure production has a rubber pad on the side wall of the positioning plate 64 away from the piston rod 63.

[0033] Specifically, such as Figure 1 As shown, a welding machine for steel structure production has a base 1 with support frames 11 fixedly connected to both sides of the top wall. The sleeve 41 is in rolling engagement with the support frame 11, and the support frame 11 can support the sleeve 41 to prevent the rotating shaft 31 from being overloaded.

[0034] It should be noted that this utility model is a welding machine for steel structure production. In use, rotating the rotary wheel drives the third worm gear 45 to rotate. The rotation of the third worm gear 45 causes the third worm wheel 44 to drive the screw 43 to rotate. When the screw 43 rotates, the telescopic rod 42 moves the fixed frame 5, thus making it suitable for steel structures of different lengths. After adjusting the distance between the two fixed frames 5, the bidirectional air pump 67 is started. The bidirectional air pump 67 pressurizes the distribution pipe 68, and the air pressure is distributed to each piston cylinder 61 through the distribution pipe. Driven by the air pressure, the piston 62 drives the piston rod 63 to move. The piston rod 63 pushes the positioning plate 64 closer to the steel structure. Since the width and height of the steel structure may differ, there will be two positioning plates 64 that preferentially contact the steel structure. After contact, the air pressure can no longer push the positioning plate 64 to move. The pump will enter the other two piston cylinders 61 and continue to push the other two pistons 62 to move until all positioning plates 64 are in contact with the steel structure. The bidirectional air pump 67 will then stop, completing the positioning of the steel structure. Welding will then be performed using the welding mechanism 21. During the welding process, the output shaft of the motor 73 can drive the transmission rod 74 to rotate. The rotation of the transmission rod 74 drives the first worm 75 to rotate. When the first worm 75 rotates, it can cause the first worm wheel 72 meshing with it to drive the vertical rod 71 to rotate. The rotation of the vertical rod 71 drives the second worm 76 to rotate. The rotation of the second worm 76 can cause the second worm wheel 77 to drive the rotating shaft 31 to rotate, thereby causing the rotating shaft 31 to drive the fixed frame 5 to rotate. The two fixed frames 5 will drive the two ends of the steel structure to rotate in the same direction, making the welding point more stable, avoiding uneven stress on the welding point, and making it less likely to produce welding defects.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A welding machine for steel structure production, comprising a base (1), wherein a side plate (2) is fixedly connected to the rear of the top wall of the base (1), and a welding mechanism (21) is provided on the side plate (2), characterized in that: L-shaped fixing plates (3) are fixedly connected to both sides of the top wall of the base (1). A rotating shaft (31) is rotatably provided on the inner wall of the side of the two L-shaped fixing plates (3) that are far apart from each other. A housing (4) is fixedly connected to one end of the rotating shaft (31). A sleeve (41) is fixedly connected to the outer wall of the housing (4) that is far away from the rotating shaft (31). A telescopic rod (42) is provided inside the sleeve (41). A fixing frame (5) is fixedly connected to the end of the telescopic rod (42) that is far away from the rotating shaft (31). A positioning mechanism (6) is provided on the fixing frame (5). A rotating mechanism (7) is provided inside the base (1).

2. The welding machine for steel structure production according to claim 1, characterized in that: The positioning mechanism (6) includes a piston cylinder (61), a piston (62), a piston rod (63), a positioning plate (64), a return spring (65), a mounting plate (66), a bidirectional air pump (67), and a diverter pipe (68). Four piston cylinders (61) are arranged around the outer wall of the fixed frame (5). A piston (62) is slidably arranged inside the piston cylinder (61). The piston rod (63) of the piston (62) extends into the fixed frame (5) and is fixedly connected to the positioning plate (64). 2) A return spring (65) is provided between the piston cylinder (61) and the inner wall of the fixed frame (5) on the side. A mounting plate (66) is fixedly connected to the outer wall of the fixed frame (5) on the side near the telescopic rod (42). A bidirectional air pump (67) is installed on the mounting plate (66). A diverter pipe (68) is fixedly sleeved on the outer side of the fixed frame (5). The output end of the bidirectional air pump (67) is connected to the diverter pipe (68). The diverter pipe (68) is connected to the four piston cylinders (61).

3. The welding machine for steel structure production according to claim 1, characterized in that: The rotating mechanism (7) includes a vertical rod (71), a first worm gear (72), a motor (73), a transmission rod (74), a first worm (75), a second worm (76), and a second worm wheel (77). Vertical rods (71) are rotatably mounted on both sides of the lower inner wall of the base (1). The upper end of the vertical rod (71) extends to the outer side of the base (1) and is rotatably connected to the upper inner wall of the L-shaped fixing plate (3). The first worm wheel (77) is fixedly sleeved on the rod wall inside the base (1). 2) A motor (73) is installed on one side of the outer wall of the base (1). The output shaft of the motor (73) extends into the base (1) and is fixedly connected to a transmission rod (74). Two first worms (75) that mesh with the first worm wheel (72) are fixedly connected to the transmission rod (74). A second worm (76) is fixedly connected to the rod wall outside the base (1) of the vertical rod (71). A second worm wheel (77) that meshes with the second worm (76) is fixedly sleeved on the rotating shaft (31).

4. The welding machine for steel structure production according to claim 1, characterized in that: A screw (43) is rotatably mounted on the inner wall of the housing (4) near the rotating shaft (31). The other end of the screw (43) extends into the interior of the telescopic rod (42) and is threadedly connected to its inner wall. A third worm gear (44) is fixedly mounted on one end of the screw (43) near the rotating shaft (31). A third worm (45) is rotatably mounted on the lower inner wall of the housing (4). The upper end of the third worm (45) extends to the top of the housing (4) and is fixedly connected to a rotating wheel.

5. A welding machine for steel structure production according to claim 4, characterized in that: The inner wall of the sleeve (41) has two symmetrically distributed sliding grooves (411), and the outer wall of the telescopic rod (42) has two sliders (421) that cooperate with the sliding grooves (411).

6. A welding machine for steel structure production according to claim 2, characterized in that: A rubber pad is provided on the side wall of the positioning plate (64) away from the piston rod (63).

7. A welding machine for steel structure production according to claim 1, characterized in that: The base (1) has a support frame (11) fixedly connected to both sides of the top wall, and the sleeve (41) and the support frame (11) are in rolling cooperation.

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