Electric melting tube welding clamp

Abstract

The utility model discloses an electrofusion tube welding clamp which comprises a base, the base is slidably connected with a first sliding seat and a second sliding seat through sliding rails, and the first sliding seat and the second sliding seat are each provided with a fixing frame and a lifting frame; the first sliding base and the second sliding base are each provided with a lifting air cylinder, the lifting air cylinders are connected with a lifting frame, the base is further provided with a driving assembly, the driving assembly is arranged on the base, and the driving assembly is in power connection with the first sliding base and the second sliding base. The first sliding seat and the second sliding seat are driven to get close to each other or get away from each other; by means of the first sliding base, the second sliding base and the accessory assemblies of the first sliding base and the second sliding base, fixing of the to-be-welded pipelines is achieved, it is guaranteed that the two pipelines can be always in the coaxial state, and the butt joint precision is improved as much as possible; and meanwhile, the to-be-welded pipes can be fixed through cooperation of the fixing frame and the lifting frame, so that the posture stability of the two to-be-welded pipes during welding is ensured, the welding difficulty is reduced, and the welding quality is improved.

Description

Technical Field

[0001] The present application relates to the technical field of pipeline welding equipment, and in particular to an electric fusion pipe welding fixture. Background Art

[0002] Electric fusion pipe fittings refer to a type of plastic (polyethylene) pipe fittings that can be connected by melting through the temperature generated by electric current. During welding, the ends of the interconnected pipes need to be heated by an electric heating mold to make them in a molten state, and then they are butted together and cooled to achieve quick connection of the pipes. However, in the existing technology, the pipes are butted manually, which not only has poor butt accuracy, but also has the disadvantage of being difficult to weld for pipes with larger diameters. Utility Model Content

[0003] The main purpose of the present application is to provide an electric fusion pipe welding fixture, aiming to solve the defect of great welding difficulty existing in the prior art.

[0004] This application achieves the above objectives through the following technical solutions:

[0005] An electric fusion pipe welding fixture comprises a base;

[0006] A slide rail, the slide rail is arranged on the base, and a first slide seat and a second slide seat are respectively arranged at both ends of the slide rail along the sliding direction of the slide rail; a fixing frame and a lifting frame are arranged on the first slide seat and the second slide seat; a lifting cylinder is arranged on the first slide seat and the second slide seat, and the lifting cylinder is connected to the lifting frame;

[0007] A driving assembly is disposed on the base, and is respectively connected to the first slide and the second slide by power to drive the first slide and the second slide to move toward or away from each other.

[0008] Optionally, a lifting cylinder is provided on one side of the first slide seat and the second slide seat; and the fixing frame is arranged opposite to the lifting frame.

[0009] Optionally, both the fixing frame and the lifting frame are provided with V-shaped grooves.

[0010] Optionally, a plurality of supporting rollers are provided on both sides of the V-shaped groove, and a rotation axis of each supporting roller is parallel to the sliding direction of the slide rail.

[0011] Optionally, a connecting plate is provided on one side of the lifting frame, and the connecting plate is connected to the lifting cylinder; a plurality of reinforcing ribs are also provided on the connecting plate.

[0012] Optionally, the drive assembly includes a drive motor and a drive screw, wherein the output shaft of the drive motor is dynamically connected to the drive screw via a coupling; the drive screw is threadedly connected to the first slide and the second slide respectively via connecting threads with opposite rotation directions.

[0013] Optionally, a limit block is provided on the driving screw, and two sides of the limit block are connecting threads with opposite rotation directions.

[0014] Optionally, a plurality of travel switches are also provided on the base, and the travel switches are distributed at both ends and the middle of the slide rail.

[0015] Optionally, a measuring rod is provided on both the first slide and the second slide, and a free end of the measuring rod is hinged to a shift rod via a pin, and a fixing nut is also provided on the pin.

[0016] Optionally, a limit plate for controlling the angle between the gear lever and the measuring rod is further provided on the measuring rod.

[0017] Compared with the prior art, this application has the following beneficial effects:

[0018] The present application includes a base, the base is slidably connected with a first slide and a second slide through a slide rail, the first slide and the second slide are both provided with a fixed frame and a lifting frame; the first slide and the second slide are both provided with a lifting cylinder, the lifting cylinders are respectively connected to the lifting frames, and the base is also provided with a driving component, the driving component is arranged on the base, and the driving component is respectively connected to the first slide and the second slide to drive the first slide and the second slide to move closer to or away from each other;

[0019] When in use, the two pipes to be connected are placed on the first slide and the second slide respectively, and the butt joint ends are arranged opposite to each other. Then, the lifting frame is controlled by the lifting cylinder to move closer to the fixed frame, and then the fixed frame and the lifting frame cooperate to clamp the pipe to ensure its stability during the welding process.

[0020] Then the driving component controls the first slide and the second slide to move closer to each other, and when the distance between the two pipes is slightly larger than the heating mold, the interface ends of the two pipes to be welded are heated by the heating mold, and then the first slide and the second slide are continuously controlled to move closer to each other and squeeze and fit together to achieve the welding operation of the pipes;

[0021] Compared with the prior art, the present invention achieves the fixation of the pipe to be welded by the first slide and the second slide and their auxiliary components, ensuring that the two pipes can always be in a coaxial state, and improving the docking accuracy as much as possible; at the same time, due to the cooperation between the fixing frame and the lifting frame, the pipe to be welded can be fixed, thereby ensuring the posture stability of the two pipes to be welded during welding;

[0022] Finally, the present application can control the two pipes to be welded to accurately and stably approach and dock with each other through the driving component. Compared with the manual handling method, it not only has good stability in the docking process and improves the docking accuracy, but also reduces the work intensity of the workers as much as possible and reduces the difficulty of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic structural diagram of an electric fusion pipe welding fixture provided in Embodiment 1 of the present application;

[0024] Figure 2 A top view of an electric fusion pipe welding fixture provided in Embodiment 1 of the present application;

[0025] Figure 3 A side view of an electric fusion pipe welding fixture provided in Embodiment 1 of the present application;

[0026] Figure 4 This is an enlarged view of part A;

[0027] Figure markings: 1-base, 2-slide rail, 3-first slide, 4-second slide, 5-fixed frame, 6-lifting frame, 7-lifting cylinder, 8-V-groove, 9-support roller, 10-connecting plate, 11-reinforcement rib, 12-drive motor, 13-drive screw, 14-coupling, 15-limit block, 16-travel switch, 17-measuring rod, 18-pin shaft, 19-gear lever, 20-fixing nut, 21-limit plate.

[0028] The purpose, features and advantages of this application will be further described in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" 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 the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0033] Implementation Method 1

[0034] Reference Figures 1 to 4 This embodiment is an optional embodiment of the present application, which discloses an electric fusion pipe welding fixture, including a base 1, a top surface of the base 1 is provided with a slide rail 2, and the slide rail 2 is provided with two, arranged along the length direction of the base 1, and the two slide rails 2 are parallel to each other, and the slide rail 2 is preferably a T-shaped or dovetail slide rail 2;

[0035] A first slide 3 and a second slide 4 are also provided on the top surface of the base 1. The first slide 3 and the second slide 4 are both L-shaped structures, and the bottom surfaces of the horizontal sections thereof are both provided with slide grooves, and the shape of the slide grooves is adapted to the shape of the slide rail 2; through the slide grooves, the first slide 3 and the second slide 4 are respectively connected to the slide rail 2 in a sliding manner, and along the sliding direction of the slide rail 2, the first slide 3 and the second slide 4 are respectively disposed at both ends of the slide rail 2;

[0036] The slide seat is offset by the L-shaped structure, thereby freeing up the space directly above the slide rail 2 for convenient placement of the pipe to be welded;

[0037] The first slide 3 and the second slide 4 are both provided with a fixing frame 5 and a lifting cylinder 7. Along the sliding direction of the slide rail 2, the fixing frame 5 and the lifting cylinder 7 are respectively arranged on both sides of the vertical section of the slide; Figure 2 As shown, preferably, the fixed frame 5 is located in the area just above the slide rail 2, and the lifting cylinder 7 is arranged in the outer area; at the same time, a lifting frame 6 is arranged on the first slide seat 3 and the second slide seat 4, and a connecting plate 10 is arranged on one side of the lifting frame 6, and the connecting plate 10 is connected to the telescopic rod of the corresponding lifting cylinder 7, so as to realize the connection between the lifting cylinder 7 and the lifting frame 6; the connecting plate 10 is also provided with a plurality of reinforcing ribs 11; the reinforcing ribs 11 can improve the structural strength of the lifting frame 6, avoid bending of the lifting frame 6, and further affect the matching accuracy between the fixed frame 5 and the lifting frame 6.

[0038] At the same time, a V-shaped groove 8 is provided on the top surface of the fixing frame 5 and the bottom surface of the lifting frame 6, and a plurality of supporting rollers 9 are provided on both sides of the V-shaped groove 8, and the rotation axis of each supporting roller 9 is parallel to the sliding direction of the slide rail 2;

[0039] The support roller 9 of the above structure can conveniently rotate the pipe to be welded when in use. During the welding process, there is no need to move the welding gun, and welding can be completed by simply rotating the pipe, thus overcoming the defect of the prior art that the welding gun is inconvenient to move due to narrow space.

[0040] The welding fixture further includes a driving assembly, which includes a driving motor 12 and a driving screw 13. The driving screw 13 is located between the two slide rails 2 and is rotatably connected to the base 1 through a rolling bearing. The driving motor 12 is arranged on the base 1, and the rotating shaft of the driving motor 12 is connected to the driving screw 13 through a coupling 14.

[0041] A limit block 15 is provided in the middle of the driving screw 13, and connecting threads with opposite rotation directions are provided on the driving screw 13 on both sides of the limit block 15, and the two connecting threads with opposite rotation directions are respectively connected with the first base 1 and the second base 1 by threads;

[0042] By driving the screw 13 to rotate, the first base 1 and the second base 1 can be controlled to move toward each other or away from each other;

[0043] At the same time, a plurality of travel switches 16 are arranged on the base 1, and some of the travel switches 16 are arranged at both ends of the slide rail 2 to prevent the first base 1 and the second base 1 from being separated from the slide rail 2, thereby improving the safety of operation;

[0044] A partial travel switch 16 is arranged in the middle of the driving screw 13 and is located in the same longitudinal direction as the limit block 15; a measuring rod 17 is arranged on both the first slide 3 and the second slide 4, and a shift rod 19 is hingedly connected to the suspended end of the measuring rod 17 through a pin 18, and a fixing nut 20 is also arranged on the pin 18. A limit plate 21 is also arranged on the measuring rod 17, and the limit plate 21 is vertically connected to the measuring rod 17;

[0045] Before installing the pipe to be welded, adjust the stop rod so that it is aligned with the welding port of the pipe to be welded, and then fix it with a fixing nut; the stop rod can effectively limit the length of the pipe to be welded extending out of the slide seat, and then cooperate with the travel switch located in the middle to ensure that the two pipes are squeezed and spliced ​​with each other within the allowable range. When the allowable range is exceeded, the drive motor is controlled to stop, so as to avoid excessive squeezing between the pipes to be welded and improve the welding quality.

[0046] It should also be pointed out that the gear lever must be in close contact with the limit plate during rotation, thereby ensuring that the gear lever and the measuring rod are in a mutually perpendicular state, thereby ensuring the accuracy of the measurement.

[0047] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. An electric fusion pipe welding fixture, characterized in that: include: Base (1); A slide rail (2), wherein the slide rail (2) is arranged on the base (1); along the sliding direction of the slide rail (2), a first slide seat (3) and a second slide seat (4) are respectively arranged at both ends of the slide rail (2); a fixing frame (5) and a lifting frame (6) are both arranged on the first slide seat (3) and the second slide seat (4); a lifting cylinder (7) is both arranged on the first slide seat (3) and the second slide seat (4), and the lifting cylinder (7) is connected to the lifting frame (6); A driving component is arranged on the base (1), and is respectively connected to the first slide seat (3) and the second slide seat (4) by power, so as to drive the first slide seat (3) and the second slide seat (4) to move towards each other or away from each other.

2. The electric fusion pipe welding fixture according to claim 1, characterized in that: Along the sliding direction of the slide rail (2), a lifting cylinder (7) is provided on one side of the first slide seat (3) and the second slide seat (4); the fixed frame (5) and the lifting frame (6) are arranged opposite to each other.

3. The electric fusion pipe welding fixture according to claim 2, characterized in that: The fixing frame (5) and the lifting frame (6) are both provided with V-shaped grooves (8).

4. The electric fusion pipe welding fixture according to claim 3, characterized in that: A plurality of supporting rollers (9) are arranged on both sides of the V-shaped groove (8), and the rotation axis of each supporting roller (9) is parallel to the sliding direction of the slide rail (2).

5. The electric fusion pipe welding fixture according to claim 2, characterized in that: A connecting plate (10) is provided on one side of the lifting frame (6), and the connecting plate (10) is connected to the lifting cylinder (7); a plurality of reinforcing ribs (11) are also provided on the connecting plate (10).

6. The electric fusion pipe welding fixture according to claim 1, characterized in that: The driving assembly comprises a driving motor (12) and a driving screw (13); the output shaft of the driving motor (12) is dynamically connected to the driving screw (13) via a coupling (14); the driving screw (13) is threadedly connected to the first slide seat (3) and the second slide seat (4) respectively via connecting threads with opposite rotation directions.

7. The electric fusion pipe welding fixture according to claim 6, characterized in that: A limit block (15) is provided on the driving lead screw (13), and two sides of the limit block (15) are connecting threads with opposite rotation directions.

8. The electric fusion pipe welding fixture according to claim 1, characterized in that: The base (1) is also provided with a plurality of travel switches (16), and each of the travel switches (16) is distributed at both ends and the middle of the slide rail (2).

9. The electric fusion pipe welding fixture according to claim 1, characterized in that: The first slide seat (3) and the second slide seat (4) are both provided with a measuring rod (17), the free end of the measuring rod (17) is hingedly connected to a shift rod (19) via a pin shaft (18), and a fixing nut (20) is also provided on the pin shaft (18).

10. The electric fusion pipe welding fixture according to claim 9, characterized in that: The measuring rod (17) is also provided with a limiting plate (21) for controlling the angle between the shift rod (19) and the measuring rod (17).

Images