Adjustable positioning method for welding of welding ball and welding pipe

Abstract

The invention provides an adjustable positioning method for welding of a welding ball and a welded pipe, and belongs to the technical field of welding positioning. An outer frame, an annular frame set, a first positioning assembly and two second positioning assemblies are included; the annular frame group comprises two first annular frames and two second annular frames, and the first annular frames and the second annular frames are connected with the outer frame; the first positioning assembly comprises three first hydraulic telescopic rods and three first clamps, the three first hydraulic telescopic rods are fixed to the first annular frame, the telescopic ends of the first hydraulic rods are connected with the first clamps, first rubber pads are arranged on the first clamps, and the first rubber pads are attached to the welding balls; welding balls and welding pipes of different sizes are positioned through the first positioning assembly and the second positioning assembly, a plurality of contact points are formed through the protruding blocks on the rubber pad, friction force is enhanced, and therefore it is guaranteed that the welding balls and the welding pipes are kept stable and not prone to displacement in the welding process.

Description

Technical Field

[0001] The present invention belongs to the technical field of welding positioning, and particularly relates to an adjustable positioning method for welding a welding ball and a welded pipe. Background Art

[0002] In modern industrial manufacturing technologies, welding technology is one of the key processes for connecting metal materials. Especially in the field of large steel structures, the precise positioning and stable clamping of welding balls and welded pipes are crucial for ensuring welding quality.

[0003] However, traditional welding positioning devices can only be applicable to welding balls and welded pipes of specific sizes. When different specifications of products need to be processed, different positioning devices need to be replaced. Moreover, due to the arc-shaped surfaces of welding balls and welded pipes, the existing fixtures are inconvenient for stably clamping welding balls and welded pipes, and it is easy to cause the movement of welding balls and welded pipes, affecting the welding effect. Summary of the Invention

[0004] Based on the above technical problems, the object of the present invention is to provide an adjustable positioning method for welding a welding ball and a welded pipe. The first positioning component and the second positioning component are used to position welding balls and welded pipes of different sizes, and the convex blocks on the rubber pads are used to form multiple contact points to enhance the friction force, thereby ensuring that the welding balls and welded pipes remain stable during the welding process and are not prone to displacement.

[0005] The specific technical solution is as follows: An adjustable positioning method for welding a welding ball and a welded pipe, comprising: an outer frame, an annular frame group, a first positioning component, and two groups of second positioning components; the annular frame group includes two first annular frames and two second annular frames, and both the first annular frame and the second annular frame are connected to the outer frame; the first positioning component includes three first hydraulic expansion rods and three first fixtures, the three first hydraulic expansion rods are respectively fixed on the first annular frame, the telescopic ends of the first hydraulic rods are connected to the first fixtures, the first fixtures are provided with first rubber pads, and the first rubber pads are in contact with the welding balls; the second positioning component includes three second hydraulic expansion rods and three second fixtures, the second hydraulic expansion rods are fixed on the second annular frame, the telescopic ends of the second hydraulic expansion rods are connected to the second fixtures, the second fixtures are provided with second rubber pads, and the second rubber pads are in contact with the welded pipes; wherein, convex blocks are provided on the surfaces of both the first rubber pads and the second rubber pads; the first hydraulic expansion rod and the second hydraulic expansion rod are respectively used to control the first fixture and the second fixture to position the welding ball and the welded pipe, and by providing the first rubber pads and the second rubber pads, while protecting the surfaces of the welding ball and the welded pipe from damage, the convex blocks on the surfaces of the first rubber pads and the second rubber pads and their elastic characteristics are also used to enable the rubber pads to form multiple contact points, enhance the friction force, thereby ensuring that the welding balls and welded pipes remain stable during the welding process and are not prone to displacement.

[0006] In addition, the adjustable positioning method for welding a welding ball and a welded pipe provided by the present invention in the above technical solution may further have the following additional technical features: In the above technical solution, the outer frame is constructed by three C-shaped steels.

[0007] In the above technical solution, it further includes: a mounting seat and a sliding groove; the first hydraulic telescopic rod is fixed on the mounting seat, and the mounting seat is fixed on the first annular frame through fasteners; the sliding groove is arranged on the first annular frame, and the telescopic end of the first hydraulic telescopic rod is embedded in the sliding groove.

[0008] In the above technical solution, it further includes: two cross braces, a first docking plate and a second docking plate; one ends of the two cross braces are respectively connected to the two first annular frames; the first docking plate is connected to one of the cross braces, and a first slot is provided on the first docking plate; the second docking plate is connected to the other cross brace, one end of the second docking plate is embedded in the first slot, and the positions of the first docking plate and the second docking plate are fixed by a pin.

[0009] In the above technical solution, it further includes: the second annular frame includes: two semi-circular ring mounting brackets, two third docking plates and two fourth docking plates; the two third docking plates are respectively connected to both ends of one of the semi-circular ring mounting brackets, and a second slot is provided on the third docking plate; the two fourth docking plates are respectively connected to both ends of the other semi-circular ring mounting bracket, one ends of the two fourth docking plates are embedded in the second slot, and the positions of the third docking plate and the fourth docking plate are fixed by a pin.

[0010] In the above technical solution, it further includes: a distance sensor; the distance sensor is arranged at the outer frame.

[0011] The adjustable positioning method for welding a welding ball and a welded pipe of the present invention, compared with the prior art, has the beneficial effects as follows: 1. By using the first fixture, the second fixture, the first hydraulic telescopic rod and the second hydraulic telescopic rod in combination, it can adapt to welding balls and welded pipes of different sizes so as to position the welding balls and welded pipes.

[0012] 2. The design of the sliding groove allows the staff to adjust the position of the first hydraulic telescopic rod when installing the first hydraulic telescopic rod, so that the telescopic end of the first hydraulic telescopic rod can move flexibly in the sliding groove.

[0013] 3. By setting the first rubber pad and the second rubber pad, while protecting the surfaces of the welding ball and the welded pipe from damage, it is also possible to utilize the bumps on the surfaces of the first rubber pad and the second rubber pad and their elastic characteristics, so that the rubber pads form multiple contact points, enhancing the frictional force, thereby ensuring that the welding ball and the welded pipe remain stable during the welding process and are not prone to displacement. Moreover, the rubber pads can also deform to a certain extent according to the shapes of the surfaces of the welding ball and the welded pipe to achieve a better fitting effect.

[0014] 4. By using the docking plate, the slot and the pin in combination, it is convenient to quickly assemble the second annular frame and the first annular frame and is also easy to disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 FIG. is a schematic structural diagram of an adjustable positioning method for welding a welding ball and a welded pipe according to the present invention; Figure 2 FIG. is a schematic structural diagram of the first positioning assembly of the present invention; Figure 3 is Figure 2 a partial schematic view of part A of Figure 4 FIG. is a schematic structural diagram of the cross brace of the present invention; Figure 5 FIG. is a schematic structural diagram of the second positioning assembly of the present invention; Among them, Figures 1 to 5 the corresponding relationship between the reference numerals and the component names in is: 10 outer frame, 11 first annular frame, 12 first hydraulic telescopic rod, 13 first fixture, 14 first rubber pad, 15 second hydraulic telescopic rod, 16 second fixture, 17 second rubber pad, 18 pin, 19 mounting seat, 20 chute, 21 cross brace, 22 first docking plate, 23 second docking plate, 24 first slot, 25 semi-circular ring mounting bracket, 26 third docking plate, 27 fourth docking plate, 28 second slot, 29 distance sensor, 30 welding ball, 31 welded pipe. DETAILED DESCRIPTION OF THE INVENTION

[0016] The following will further illustrate the present invention in conjunction with specific implementation cases and the attached Figures 1-5 shown in the drawings, but the present invention is not limited to these embodiments.

[0017] An adjustable positioning method for welding a welding ball and a welded pipe, as Figures 1-5As shown in the figure, it includes: an outer frame 10, an annular frame group, a first positioning component, and two groups of second positioning components; the annular frame group includes two first annular frames 11 and two second annular frames, and both the first annular frame 11 and the second annular frame are connected to the outer frame 10; the first positioning component includes three first hydraulic telescopic rods 12 and three first clamps 13. The three first hydraulic telescopic rods 12 are respectively fixed on the first annular frame 11, the telescopic ends of the first hydraulic rods are connected to the first clamps 13, a first rubber pad 14 is provided on the first clamp 13, and the first rubber pad 14 is in contact with the welding ball 30; the second positioning component includes three second hydraulic telescopic rods 15 and three second clamps 16. The second hydraulic telescopic rods 15 are fixed on the second annular frame, the telescopic ends of the second hydraulic telescopic rods 15 are connected to the second clamps 16, a second rubber pad 17 is provided on the second clamp 16, and the second rubber pad 17 is in contact with the welded pipe 31; wherein, bumps are provided on the surfaces of both the first rubber pad 14 and the second rubber pad 17; by controlling the first clamp and the second clamp to position the welding ball and the welded pipe respectively through the first hydraulic telescopic rod and the second hydraulic telescopic rod, and by providing the first rubber pad and the second rubber pad, while protecting the surfaces of the welding ball and the welded pipe from damage, the bumps on the surfaces of the first rubber pad and the second rubber pad and their elastic characteristics can also be utilized to form multiple contact points on the rubber pad, enhancing the friction force, thereby ensuring that the welding ball and the welded pipe remain stable during the welding process and are not prone to displacement.

[0018] With the above structure, the first clamp 13 and the second clamp 16 are respectively controlled to move by the first hydraulic telescopic rod 12 and the second hydraulic telescopic rod 15, so that the first clamp 13 and the second clamp 16 respectively position the welding ball 30 and the welded pipe 31, and by providing the first rubber pad 14 and the second rubber pad 17, while protecting the surfaces of the welding ball 30 and the welded pipe 31 from damage, the bumps on the surfaces of the first rubber pad 14 and the second rubber pad 17 and their elastic characteristics can also be utilized to form multiple contact points on the rubber pad, enhancing the friction force, thereby ensuring that the welding ball 30 and the welded pipe 31 remain stable during the welding process and are not prone to displacement. And the rubber pad can also deform to a certain extent according to the shapes of the surfaces of the welding ball 30 and the welded pipe 31 to achieve a better fitting effect.

[0019] Specifically, the six first clamps 13 respectively and firmly clamp six points of the welding ball 30, and the two ends of the welded pipe 31 are respectively clamped by three second clamps 16, thereby improving the stability when fixing the welding ball 30 and the welded pipe 31.

[0020] In the embodiment of the present invention, the outer frame 10 is constructed by three C-shaped steels.

[0021] In the embodiment of the present invention, as Figures 1-2As shown in the figure, it further includes: a mounting base 19 and a chute 20; the first hydraulic telescopic rod 12 is fixed on the mounting base 19, and the mounting base 19 is fixed on the first annular frame 11 through fasteners; the chute 20 is arranged on the first annular frame 11, and the telescopic end of the first hydraulic telescopic rod 12 is embedded in the chute 20.

[0022] By fixing the first hydraulic telescopic rod 12 on the mounting base 19, fixing the mounting base 19 on the first annular frame 11 through fasteners, and providing a chute 20 on the first annular frame 11, the design of the chute 20 allows the position of the first hydraulic telescopic rod 12 to be adjusted when the staff installs the first hydraulic telescopic rod 12, so that the telescopic end of the first hydraulic telescopic rod 12 can move flexibly in the chute 20.

[0023] In the embodiment of the present invention, as Figures 1-4 shown in the figure, it further includes: two cross braces 21, a first docking plate 22 and a second docking plate 23; one ends of the two cross braces 21 are respectively connected to the two first annular frames 11; the first docking plate 22 is connected to one of the cross braces 21, and a first slot 24 is provided on the first docking plate 22; the second docking plate 23 is connected to the other cross brace 21, one end of the second docking plate 23 is embedded in the first slot 24, and the positions of the first docking plate 22 and the second docking plate 23 are fixed by a pin 18.

[0024] By inserting the second docking plate 23 into the first slot 24 of the first docking plate 22 and fixing it with a pin 18, the first annular frame 11 and the second annular frame are connected, and this method is convenient for disassembling or installing the device.

[0025] In the embodiment of the present invention, as Figures 1-5 shown in the figure, it further includes: the second annular frame includes: two semi-circular ring mounting brackets 25, two third docking plates 26 and two fourth docking plates 27; the two third docking plates 26 are respectively connected to both ends of one of the semi-circular ring mounting brackets 25, and a second slot 28 is provided on the third docking plate 26; the two fourth docking plates 27 are respectively connected to both ends of the other semi-circular ring mounting bracket 25, one ends of the two fourth docking plates 27 are embedded in the second slot 28, and the positions of the third docking plate 26 and the fourth docking plate 27 are fixed by a pin 18.

[0026] By inserting the fourth docking plate 27 into the second slot 28 of the third docking plate 26 and fixing it with a pin 18, the two semi-circular ring mounting brackets 25 are connected together, and this method is convenient for disassembling or installing the device.

[0027] In the embodiment of the present invention, as Figure 1 shown in the figure, it further includes: a distance sensor 29; the distance sensor 29 is arranged at the outer frame 10.

[0028] By electrically connecting the distance sensor 29, the second hydraulic telescopic rod 15 to the control system, the distance sensor 29 monitors the position of the welded pipe 31, and the control system automatically adjusts the telescopic length of the second hydraulic telescopic rod 15 according to the data collected by the distance sensor 29 so as to adjust according to the sizes of different welded pipes 31.

[0029] Implementation process: By using the first fixture 13, the second fixture 16, the first hydraulic telescopic rod 12 and the second hydraulic telescopic rod 15 in combination, it can adapt to welded balls 30 and welded pipes 31 of different sizes so as to position the welded ball 30 and the welded pipe 31; by providing the first rubber pad 14 and the second rubber pad 17, while protecting the surfaces of the welded ball 30 and the welded pipe 31 from damage, it can also utilize the bumps on the surfaces of the first rubber pad 14 and the second rubber pad 17 and their elastic characteristics to make the rubber pads form multiple contact points, enhance the friction force, thereby ensuring that the welded ball 30 and the welded pipe 31 remain stable during the welding process and are not prone to displacement. Moreover, the rubber pads can also deform to a certain extent according to the shapes of the surfaces of the welded ball 30 and the welded pipe 31 to achieve a better fitting effect.

[0030] By using the butt joint plate, the slot and the pin 18 in combination, it is convenient to quickly assemble the second annular frame and the first annular frame 11 and is also easy to disassemble.

[0031] The design of the chute 20 allows the staff to adjust the position of the first hydraulic telescopic rod 12 when installing the first hydraulic telescopic rod 12 so that the telescopic end of the first hydraulic telescopic rod 12 can move flexibly in the chute 20.

[0032] In the description of the present invention, the term "plurality" refers to two or more, unless otherwise clearly defined. The orientation or positional relationship indicated by terms such as "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention; terms such as "connection", "installation", "fixation", etc. should all be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the description of the present invention, the descriptions of terms such as "one embodiment", "some embodiments", "specific embodiments", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0034] The foregoing is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An adjustable positioning method for welding a welding ball to a welding pipe, characterized in that: include: An outer frame, an annular frame group, a first positioning assembly and two groups of second positioning assemblies; the annular frame group includes two first annular frames and two second annular frames, and the first annular frames and the second annular frames are both connected to the outer frame; the first positioning assembly includes three first hydraulic telescopic rods and three first fixtures, and the three first hydraulic telescopic rods are respectively fixed on the first annular frames, and the telescopic ends of the first hydraulic rods are connected to the first fixtures, and the first fixtures are provided with first rubber pads, and the first rubber pads are fitted with welding balls; the second positioning assembly includes three second hydraulic telescopic rods and three second fixtures, and the second hydraulic telescopic rods are fixed on the second annular frames, and the telescopic ends of the second hydraulic telescopic rods are connected to the second fixtures, and the second fixtures are provided with second rubber pads, and the second rubber pads are fitted with welding pipes; wherein, the surfaces of the first rubber pads and the second rubber pads are both provided with bumps; The first clamp and the second clamp are respectively controlled by the first hydraulic telescopic rod and the second hydraulic telescopic rod to position the welding ball and the welding pipe, and the first rubber pad and the second rubber pad are provided to protect the surfaces of the welding ball and the welding pipe from damage. The bumps on the surfaces of the first rubber pad and the second rubber pad and their elastic characteristics can be utilized to form multiple contact points on the rubber pads to enhance friction, thereby ensuring that the welding ball and the welding pipe remain stable during the welding process and are not easily displaced.

2. The adjustable positioning method for welding a welding ball to a welding pipe according to claim 1, characterized in that: The outer frame is constructed from three C-shaped steels.

3. The adjustable positioning method for welding a welding ball to a welding pipe according to claim 1, characterized in that: Also includes: A mounting seat, the first hydraulic telescopic rod is fixed on the mounting seat, and the mounting seat is fixed on the first annular frame by a fastener; A slide groove is arranged on the first annular frame, and the telescopic end of the first hydraulic telescopic rod is embedded in the slide groove.

4. The adjustable positioning method for welding a welding ball to a welding pipe according to claim 1, characterized in that: Also includes: Two cross braces, one end of each of the two cross braces is connected to the two first annular frames respectively; A first docking plate, the first docking plate is connected to one of the cross braces, and a first slot is provided on the first docking plate; The second docking plate is connected to another of the cross braces, one end of the second docking plate is embedded in the first slot, and the positions of the first docking plate and the second docking plate are fixed by pins.

5. The adjustable positioning method for welding a welding ball to a welding pipe according to claim 1, characterized in that: The second annular frame comprises: Two half-circle ring mounting brackets; Two third docking plates, the two third docking plates are respectively connected to two ends of one of the semicircular ring mounting frames, and the third docking plates are provided with second slots; Two fourth docking plates, the two fourth docking plates are respectively connected to the two ends of another semicircular ring mounting frame, one end of the two fourth docking plates is embedded in the second slot, and the positions of the third docking plate and the fourth docking plate are fixed by pins.

6. The adjustable positioning method for welding a welding ball to a welding pipe according to claim 1, characterized in that: Also includes: A distance sensor is arranged on the outer frame.

Images