Automatic welding positioning clamp for steel structure

Abstract

The utility model relates to the technical field of clamps, in particular to an automatic welding positioning clamp for a steel structure. The utility model provides a steel structure automatic welding positioning clamp convenient for workers to operate, which comprises a mounting seat, a fixing seat arranged on the left side of the mounting seat; the bearing is arranged at the bottom of the inner side of the mounting seat; the gear ring is arranged at the top of the bearing; a through groove penetrating through the side wall is formed in the left side of the mounting seat, and the moving seat is arranged on the right side of the gear ring and slides in the through groove of the mounting seat. When a steel bar needs to be controlled to be adjusted to a proper welding angle, a worker places the steel bar on the top of a fixed seat and the top of a movable seat, then starts a servo motor and controls the movable seat and the steel bar to rotate slowly through a first gear and a gear ring, so that the steel bar is conveniently and quickly adjusted to the proper welding angle; and other tools for supporting and fixing are not needed, so that workers can conveniently carry out welding operation.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to an automatic welding positioning clamp for steel structures. Background Art

[0002] Steel structure is a structure made of steel materials and is one of the main types of building structures. The structure is mainly composed of components such as steel beams, steel columns and steel trusses made of steel sections and steel plates. Most of the components or parts are usually connected by welding.

[0003] In traditional steel structures, auxiliary tools are usually needed to adjust and fix the position of the steel when welding the joints between steel materials. Especially when the angle between steel materials needs to be changed, workers are often required to manually turn the steel pipes and support the welding. This method can easily cause the welds to shift and misalign, and the rotation angle is not easy to control. Some workers find it difficult to ensure the quality of the welded steel structure products.

[0004] Therefore, it is necessary to design a steel structure automatic welding positioning fixture that is convenient for staff to operate. Utility Model Content

[0005] In order to overcome the problem that when the angle between steels needs to be changed, workers are often required to manually turn the steel pipes and support welding. This method easily causes the welding position to be offset and misaligned, and the rotation angle is not easy to control. Technical problem: Provide an automatic welding positioning fixture for steel structures that is easy for workers to operate.

[0006] The technical scheme is as follows: A steel structure automatic welding positioning fixture comprises: a mounting seat and a fixed seat, a fixed seat is provided on the left side of the mounting seat; a bearing, a bearing is provided on the inner bottom of the mounting seat; a gear ring, a gear ring is provided on the top of the bearing; a movable seat, a through groove penetrating the side wall is opened on the left side of the mounting seat, a movable seat is provided on the right side of the gear ring, and the movable seat slides in the through groove of the mounting seat; a first gear, a first gear is provided horizontally and rotatably on the left side of the mounting seat, and the first gear is meshed with the gear ring; a servo motor, a servo motor is provided on the top of the mounting seat directly above the first gear, and the output shaft of the servo motor is connected to the first gear through a coupling; a fixed ring, a fixed ring is provided on the inner side of the mounting seat, and the fixed ring is located on the outer side of the bearing; a rolling wheel, a rolling wheel is rotatably provided on the bottom of the movable seat directly above the fixed ring, and the rolling wheel is in contact with the fixed ring; a rotation sensor, a rotation sensor is provided at the bottom of the movable seat near one side of the rolling wheel, and the rotation sensor is connected to the central axis of the rolling wheel; a pulley, a plurality of pulleys are evenly spaced at the bottom of the movable seat.

[0007] Optionally, it also includes: a fixed frame, a fixed frame is provided on the top of one end of the fixed seat and the movable seat close to the mounting seat; a movable frame, a fixed seat and the movable seat are provided with three movable frames at even intervals starting from the fixed frame and moving away from the seat in the direction connected by a latch.

[0008] Optionally, it also includes: an electric push rod, each fixed frame and movable frame is provided with an electric push rod on the front side; a fixed shaft, each fixed frame and movable frame is provided with a slide groove at the bottom inner side, and a fixed shaft is provided at the center of the slide groove; a second gear, a second gear is rotatably provided on the fixed shaft; an extrusion bar, each fixed frame and movable frame has two extrusion bars symmetrically provided in the slide groove about the center of the fixed shaft, a rack is provided on the lower side of the extrusion bar close to the second gear, the rack of the extrusion bar is meshed with the second gear, and the telescopic rod of the electric push rod is connected to the adjacent extrusion bar.

[0009] Optionally, it also includes: a support plate and a rolling shaft, the width of the support plate is smaller than the width of the steel bar to be welded, a rolling shaft is rotatably provided at the bottom of the support plate, and the top of each fixed frame and movable frame is slidably matched with the support plate through the rolling shaft.

[0010] The beneficial effect of the utility model is: in the utility model, when it is necessary to control the steel bar to be adjusted to a suitable welding angle, the staff places the steel bar on the top of the fixed seat and the movable seat, and then starts the servo motor and controls the movable seat and the steel bar to rotate slowly through the first gear and the ring gear, so that the steel bar can be adjusted to a suitable welding angle quickly and conveniently, and there is no need to use other tools for support and fixation, which is convenient for the staff to perform welding operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0012] Figure 2 It is a partial three-dimensional structural cross-sectional schematic diagram of the utility model.

[0013] Figure 3 It is a partial three-dimensional structure explosion diagram of the utility model.

[0014] Figure 4 It is an enlarged view of point A of the present utility model.

[0015] Figure 5 It is a three-dimensional structural schematic diagram of the fixed frame and the movable frame of the utility model.

[0016] Figure 6 It is a schematic cross-sectional view of the three-dimensional structure of the fixed frame, the second gear and the extrusion strip of the utility model.

[0017] Figure 7 It is a schematic cross-sectional view of the three-dimensional structure of the support plate and the rolling shaft of the utility model.

[0018] Explanation of the reference numerals: 1_mounting seat, 2_fixed seat, 3_bearing, 4_gear ring, 5_moving seat, 6_first gear, 7_servo motor, 8_fixed ring, 9_rolling wheel, 10_rotation sensor, 11_pulley, 12_fixed frame, 13_moving frame, 14_electric push rod, 15_fixed shaft, 16_second gear, 17_extrusion bar, 18_support plate, 19_rolling shaft. DETAILED DESCRIPTION

[0019] The following description is only a preferred embodiment of the present invention and does not limit the protection scope of the present invention. Example

[0020] like Figures 1 to 4 As shown, the utility model provides a steel structure automatic welding positioning fixture, which specifically includes a mounting seat 1, a fixed seat 2, a bearing 3, a gear ring 4, a moving seat 5, a first gear 6, a servo motor 7, a fixed ring 8, a rolling wheel 9, a rotation sensor 10 and a pulley 11;

[0021] Among them, a fixing seat 2 is provided on the left side of the mounting seat 1 for fixing and placing the steel bar;

[0022] A bearing 3 is provided at the bottom of the inner side of the mounting seat 1, and a gear ring 4 is provided at the top of the bearing 3, which is used to connect the gear ring 4 to the mounting seat 1 and enable the gear ring 4 to rotate relative to the mounting seat 1;

[0023] Among them, a through groove penetrating the side wall is opened on the left side of the mounting seat 1, a moving seat 5 is arranged on the right side of the gear ring 4, and the moving seat 5 slides in the through groove of the mounting seat 1. A first gear 6 is arranged horizontally and rotatably on the left side of the mounting seat 1, and the first gear 6 is meshed with the gear ring 4. A servo motor 7 is arranged at the top of the mounting seat 1 just above the first gear 6, and the output shaft of the servo motor 7 is connected to the first gear 6 through a coupling. A plurality of pulleys 11 are evenly spaced at the bottom of the moving seat 5 for controlling the rotation angle of the driven steel bar;

[0024] Among them, a fixing ring 8 is provided on the inner side of the mounting seat 1, and the fixing ring 8 is located on the outer side of the bearing 3. The bottom of the moving seat 5 is located directly above the fixing ring 8 and a rolling wheel 9 is rotatably provided. The rolling wheel 9 is in contact with the fixing ring 8. A rotation sensor 10 is provided at the bottom of the moving seat 5 near one side of the rolling wheel 9. The rotation sensor 10 is connected to the central axis of the rolling wheel 9 and is used to monitor the rotation angle of the steel bar at all times.

[0025] Exemplarily, during use, the staff places the steel bars used to make the steel structure on the top of the fixed seat 2 and the movable seat 5, and controls their positions to remain aligned. When the angle needs to be changed for welding, the staff starts the servo motor 7 and controls it to rotate forward or reverse according to the required angle. The servo motor 7 rotates through the first gear 6 to drive the ring gear 4 to rotate. The rotation of the ring gear 4 drives the movable seat 5 and the steel bar to rotate slowly around the mounting seat 1. When the movable seat 5 moves, the rolling wheel 9 at the bottom of the movable seat 5 rolls on the fixed ring 8, and the rotation sensor 10 is connected to the central axis of the rolling wheel 9. The distance moved by the rolling wheel 9 is measured and input into the external system for measuring the angle of rotation of the movable seat 5 around the mounting seat 1. When it rotates to a predetermined angle, the servo motor 7 is controlled to be turned off, and the staff can weld the steel bars on the top of the movable seat 5 and the fixed seat 2. In this way, the steel bars can be quickly and conveniently adjusted to a suitable welding angle, and there is no need to use other tools for support and fixation, which is convenient for the staff to perform welding operations. Example

[0026] like Figure 5 As shown, on the basis of Example 1, a fixed frame 12 and a movable frame 13 are specifically included. The fixed frame 12 is provided on the top of the fixed seat 2 and the movable seat 5 close to the mounting seat 1. Three movable frames 13 are provided on the top of the fixed seat 2 and the movable seat 5 at evenly spaced intervals starting from the fixed frame 12 and moving away from the seat through a latch-type connection.

[0027] When placing the steel bars, the staff first moves and adjusts the movable frame 13 to the appropriate position according to the length of the steel bars, and then places the steel bars inside the fixed frame 12 and the movable frame 13. When rotated to the appropriate angle, the staff can control the steel bars to disengage from the fixed frame 12, and then make the movable frame 13 drive the steel bars to move along the fixed seat 2 or the movable seat 5, so that the staff can control the distance between the two steel bars after adjusting the rotation angle.

[0028] like Figure 6 As shown, on the basis of Example 1, it specifically includes an electric push rod 14, a fixed shaft 15, a second gear 16 and an extrusion bar 17, each fixed frame 12 and the movable frame 13 are provided with an electric push rod 14 on the front side, each fixed frame 12 and the movable frame 13 are provided with a slide groove at the bottom inner side, a fixed shaft 15 is provided at the center of the slide groove, a second gear 16 is rotatably provided on the fixed shaft 15, two extrusion bars 17 are symmetrically provided about the center of the fixed shaft 15 in the slide groove of each fixed frame 12 and the movable frame 13, a rack is provided on the lower side of the extrusion bar 17 close to the second gear 16, the rack of the extrusion bar 17 is meshed with the second gear 16, and the telescopic rod of the electric push rod 14 is connected to the adjacent extrusion bar 17.

[0029] When placing the steel bar, the staff starts the electric push rod 14 and controls its stroke. The telescopic rod of the electric push rod 14 drives the extrusion bar 17 to move toward the center of the fixed frame 12 or the movable frame 13. The two extrusion bars 17 in the same fixed frame 12 or the movable frame 13 are moved closer to each other under the action of the second gear 16, and finally the distance between the two extrusion bars 17 is made slightly larger than the width of the steel bar. Then the steel bar is placed between the two extrusion bars 17. When it is necessary to place a steel bar with a width smaller than the width of the fixed frame 12, it is ensured that the steel bar can be placed in the middle position of the fixed frame 12 to avoid the welding angle being affected by the position.

[0030] like Figure 7 As shown, on the basis of Example 1, it specifically includes a support plate 18 and a rolling shaft 19. The width of the support plate 18 is smaller than the width of the steel bar to be welded. The rolling shaft 19 is rotatably provided at the bottom of the support plate 18. The top of each fixed frame 12 and the movable frame 13 is slidably matched with the support plate 18 through the rolling shaft 19.

[0031] The rolling shaft 19 is rotatably arranged at the bottom of the support plate 18, so that the support plate 18 can slide back and forth in the fixed frame 12 or the movable frame 13. When placing the steel bar, the staff controls the steel bar to be placed on the top of the support plate 18, and then directly controls the electric push rod 14 and the extrusion bar 17 to move the steel bar whose width is smaller than the fixed frame 12, which is convenient for the staff to operate.

[0032] 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, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel structure automated welding positioning fixture, characterized in that: include: A mounting seat (1) and a fixing seat (2), wherein the fixing seat (2) is provided on the left side of the mounting seat (1); A bearing (3), wherein a bearing (3) is provided at the bottom inner side of the mounting seat (1); A gear ring (4), wherein a gear ring (4) is provided on the top of the bearing (3); A movable seat (5), a through groove penetrating the side wall is provided on the left side of the mounting seat (1), and a movable seat (5) is provided on the right side of the gear ring (4), and the movable seat (5) slides in the through groove of the mounting seat (1); A first gear (6), a first gear (6) is horizontally rotatably provided on the left side of the mounting seat (1), and the first gear (6) is meshed with the ring gear (4); A servo motor (7), wherein the top of the mounting seat (1) is provided with the servo motor (7) at a position directly above the first gear (6), and the output shaft of the servo motor (7) is connected to the first gear (6) via a coupling; A fixing ring (8), wherein the inner side of the mounting seat (1) is provided with a fixing ring (8), and the fixing ring (8) is located on the outer side of the bearing (3); A rolling wheel (9), the bottom of the movable seat (5) is located just above the fixed ring (8) and is rotatably provided with a rolling wheel (9), the rolling wheel (9) being in contact with the fixed ring (8); A rotation sensor (10), wherein the bottom of the movable seat (5) is provided with a rotation sensor (10) at a position close to one side of the rolling wheel (9), and the rotation sensor (10) is connected to the central axis of the rolling wheel (9); A pulley (11), wherein a plurality of pulleys (11) are evenly spaced at the bottom of the movable seat (5).

2. The steel structure automatic welding positioning fixture according to claim 1 is characterized in that: Also includes: A fixed frame (12), a fixed frame (12) is provided on the top of one end of the fixed seat (2) and the movable seat (5) close to the mounting seat (1); The tops of the movable frame (13), the fixed seat (2) and the movable seat (5) are all provided with three movable frames (13) evenly spaced apart from the fixed frame (12) in a direction away from the seat through a latch-type connection.

3. The steel structure automatic welding positioning fixture according to claim 2 is characterized in that: Also includes: An electric push rod (14), each fixed frame (12) and movable frame (13) is provided with an electric push rod (14) on the front side; A fixed shaft (15), each of the fixed frame (12) and the movable frame (13) is provided with a slide groove at the inner bottom, and a fixed shaft (15) is provided at the center of the slide groove; A second gear (16), a second gear (16) being rotatably provided on the fixed shaft (15); An extrusion bar (17), wherein two extrusion bars (17) are symmetrically arranged in the slide groove of each fixed frame (12) and the movable frame (13) about the center of the fixed axis (15), a rack is provided on the lower side of the extrusion bar (17) close to the second gear (16), the rack of the extrusion bar (17) is meshed with the second gear (16), and the telescopic rod of the electric push rod (14) is connected to the adjacent extrusion bar (17).

4. The steel structure automatic welding positioning fixture according to claim 3 is characterized in that: Also includes: A support plate (18) and a rolling shaft (19), wherein the width of the support plate (18) is smaller than the width of the steel bar to be welded, a rolling shaft (19) is rotatably provided at the bottom of the support plate (18), and the top of each fixed frame (12) and movable frame (13) is slidably matched with the support plate (18) via the rolling shaft (19).

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