Clamping, rotating and positioning device for welding

Abstract

The utility model discloses a clamping, rotating and positioning device for welding, which relates to the technical field of welding and comprises a support frame, a shaft sleeve is arranged above the support frame, a rotating frame penetrates through the shaft sleeve, a clamping mechanism and a hand wheel are respectively arranged in front of and behind the rotating frame, a limiting mechanism is arranged below the shaft sleeve, and the clamping mechanism comprises a bottom plate, a fixed seat and a movable seat. The limiting mechanism comprises a connecting rod, a limiting head and a chuck, and wheels are arranged below the supporting frame. The clamping device can stably clamp a workpiece, so that the workpiece is not prone to shaking or moving in the welding or assembling process, the working precision and efficiency are improved, the clamping requirements of different sectional materials can be conveniently met by adjusting the position of the jacking seat and replacing the pin column, the workpiece can be clamped and loosened only by rotating the eccentric handle, and the working efficiency is improved. The limiting head can be released and locked by treading the pedal ring, the operation difficulty is reduced through the simple and visual operation mode, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a clamping and rotating positioning device for welding. Background Art

[0002] At present, welding will encounter large or long pieces. The commonly used solution is that workers mark lines on the main body of the workpiece according to the size and position of the drawing, use a welding machine to spot weld a positioning plate on the main body of the workpiece, and then use a crane to lift the workpiece to be welded onto the positioning plate, and spot weld the tools to be welded to the main body of the workpiece. If it is a long piece, the assembly requires the help of multiple people, and it is more difficult to operate if there is a certain flipping angle. The welding of a product is composed of multiple parts. Therefore, how to improve the assembly efficiency is of paramount importance. At present, technical personnel in this field can use a positioner for auxiliary welding. For example, the authorized patent CN202121465045.8, a movable positioner, can be easily moved and welded. At present, the welded products are non-standard, so it is very necessary to design a special positioning device. Utility Model Content

[0003] The purpose of the utility model is to provide a clamping and rotating positioning device for welding to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamping and rotating positioning device for welding, comprising a support frame, a shaft sleeve is provided above the support frame, a rotating frame is passed through the shaft sleeve, a clamping mechanism and a hand wheel are respectively provided at the front and rear of the rotating frame, a limiting mechanism is provided below the shaft sleeve, the clamping mechanism includes a base plate, a fixed seat and a movable seat, the limiting mechanism includes a connecting rod, a limiting head and a chuck, and wheels are provided below the support frame.

[0005] Further: the chuck is fixedly connected to the tail end of the rotating frame, the chuck has evenly distributed teeth and grooves, the lower part of the limit head is a connecting rod, a horizontal plate is provided below the connecting rod, the other end of the horizontal plate is interconnected with the support frame through a pin shaft, a pedal ring is provided below the horizontal plate, a return spring is sleeved on the limit head, and the head of the limit head can be sunk into the tooth groove.

[0006] Furthermore: the base plate is fixedly connected to the rotating frame, a guide rod is provided in the middle of the base plate, the lower part of the movable seat is interconnected with the guide rod through a slider, an eccentric handle is provided on the movable seat, a tightening seat is provided behind the eccentric handle, and the lower part of the tightening seat is also interconnected with the guide rod through a slider.

[0007] Preferably, a spring column is provided above the tightening seat, the head of the spring column is interconnected with the movable seat through a thread, a screw rod is provided at the rear of the tightening seat, the screw rod passes through the rear of the bottom plate and is threadedly connected.

[0008] Preferably: a V-shaped groove block is provided in front of the movable seat, and a V-shaped groove block is also provided on the fixed seat, and the two V-shaped blocks are opposite to each other.

[0009] Preferably, a rotating shaft is arranged at the rear of the rotating frame, a bearing is arranged between the rotating shaft and the shaft sleeve, and a pin is arranged in the middle of the head of the rotating frame.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model can stably clamp the workpiece, so that it is not easy to shake or move during welding or assembly, thereby improving work accuracy and efficiency. By adjusting the position of the tightening seat and replacing the pin, it can easily adapt to the clamping requirements of different profiles. The workpiece can be clamped and loosened by simply rotating the eccentric handle, and the limit head can be released and locked by stepping on the foot ring. This simple and intuitive operation method reduces the difficulty of operation and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 It is the front view of the utility model;

[0013] Figure 3 It is a schematic diagram of AA section view;

[0014] Figure 4 This is a rear view of the utility model;

[0015] Figure 5 This is an enlarged schematic diagram of point B;

[0016] Figure 6 is a schematic diagram of the clamping mechanism;

[0017] Figure 7 This is a working diagram of the utility model.

[0018] In the figure: 1, support frame, 2, sleeve, 3, rotating frame, 4, hand wheel, 5, clamping mechanism, 6, limiting mechanism, 7, wheel, 8, pin, 9, workpiece, 501, base plate, 502, fixed seat, 503, movable seat, 504, eccentric handle, 505, tightening seat, 506, spring column, 507, screw rod, 601, connecting rod, 602, limiting head, 603, chuck, 604, horizontal plate, 605, pedal ring. DETAILED DESCRIPTION

[0019] The present invention will be described below based on the embodiments in conjunction with the accompanying drawings in the embodiments of the present invention. However, it is worth noting that the present invention is not limited to these embodiments. In the detailed description of the present invention below, some specific details are described in detail. However, for the parts that are not described in detail, those skilled in the art can also fully understand the present invention.

[0020] In addition, those skilled in the art should understand that the drawings are only provided to illustrate the purpose, features and advantages of the present invention, and the drawings are not actually drawn according to scale.

[0021] At the same time, unless the context clearly requires otherwise, the words "include", "comprises" and similar words throughout the specification and claims should be interpreted as inclusive rather than exclusive or exhaustive; that is, the meaning is "including but not limited to".

[0022] See also Figure 1-Figure 7 The utility model provides a technical solution: it includes a support frame 1, a shaft sleeve 2 is provided above the support frame 1, a rotating frame 3 is passed through the shaft sleeve 2, a clamping mechanism 5 and a hand wheel 4 are respectively provided at the front and rear of the rotating frame 3, a limiting mechanism 6 is provided below the shaft sleeve 2, the clamping mechanism 5 includes a bottom plate 501, a fixed seat 502 and a movable seat 503, the limiting mechanism 6 includes a connecting rod 601, a limiting head 602 and a chuck 603, and a wheel 7 is provided below the support frame 1.

[0023] The chuck 603 is fixedly connected to the tail end of the rotating frame 3, and the chuck 603 has evenly distributed teeth and grooves. The lower part of the limit head 602 is the connecting rod 601, and a horizontal plate 604 is provided below the connecting rod 601. The other end of the horizontal plate 604 is interconnected with the support frame 1 through a pin shaft, and a pedal ring 605 is provided below the horizontal plate 604. A reset spring is sleeved on the limit head 602, and the head of the limit head 602 can be sunk into the tooth groove.

[0024] The base plate 501 is fixedly connected to the rotating frame 3, a guide rod is provided in the middle of the base plate 501, the lower part of the movable seat 503 is interconnected with the guide rod through a slider, an eccentric handle 504 is provided on the movable seat 503, a tightening seat 505 is provided behind the eccentric handle 504, and the lower part of the tightening seat 505 is also interconnected with the guide rod through a slider.

[0025] A spring column 506 is disposed above the tightening seat 505 , and the head of the spring column 506 is interconnected with the moving seat 503 via a thread. A screw rod 507 is disposed at the rear of the tightening seat 505 , and the screw rod 507 passes through the rear of the bottom plate 501 and is threadedly connected.

[0026] A V-shaped groove block is provided in front of the movable seat 503, and a V-shaped groove block is also provided on the fixed seat 502, and the two V-shaped blocks are opposite to each other.

[0027] A rotating shaft is arranged at the rear of the rotating frame 3 , and a bearing is arranged between the rotating shaft and the shaft sleeve 2 . A pin 8 is arranged in the middle of the head of the rotating frame 3 .

[0028] When using this utility model, if the attached Figure 7 As shown, the root of the workpiece 9 is sleeved on the pin 8, and the outside can be clamped by the clamping mechanism 5. The operation is also very simple. You only need to rotate the eccentric handle 504 to clamp the movable seat 503 and the fixed seat 503 to each other. The position of the clamping seat 505 can be adjusted by the screw rod 507 to adapt to different specifications of workpiece 9 profiles, and the pin 8 needs to be replaced to adapt. Then the support frame 1 can be pushed to move. After reaching the specified position, the foot pedal ring 605 (lever principle) can be stepped on to release the limit head 602. In this way, the angle position of the plate at the head of the workpiece 9 can be adjusted by rotating the hand wheel 4. Finally, the wheel 7 is locked, the foot pedal ring 605 is released, the angle is fixed, and welding or assembly can be started.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clamping and rotating positioning device for welding, comprising a support frame (1), characterized in that: A shaft sleeve (2) is provided above the support frame (1), a rotating frame (3) is passed through the shaft sleeve (2), a clamping mechanism (5) and a hand wheel (4) are provided at the front and rear of the rotating frame (3), a limiting mechanism (6) is provided below the shaft sleeve (2), the clamping mechanism (5) comprises a bottom plate (501), a fixed seat (502) and a movable seat (503), the limiting mechanism (6) comprises a connecting rod (601), a limiting head (602) and a chuck (603), and a wheel (7) is provided below the support frame (1).

2. The welding clamping and rotating positioning device according to claim 1, characterized in that: The chuck (603) is fixedly connected to the rear end of the rotating frame (3), and the chuck (603) is evenly distributed with tooth grooves. The lower part of the limit head (602) is the connecting rod (601), and a horizontal plate (604) is provided below the connecting rod (601). The other end of the horizontal plate (604) is interconnected with the support frame (1) through a pin shaft. A pedal ring (605) is provided below the horizontal plate (604). A return spring is sleeved on the limit head (602), and the head of the limit head (602) can be sunk into the tooth groove.

3. The welding clamping and rotating positioning device according to claim 1, characterized in that: The bottom plate (501) is fixedly connected to the rotating frame (3), a guide rod is provided in the middle of the bottom plate (501), the bottom of the movable seat (503) is interconnected with the guide rod through a slider, an eccentric handle (504) is provided on the movable seat (503), a tightening seat (505) is provided behind the eccentric handle (504), and the bottom of the tightening seat (505) is also interconnected with the guide rod through a slider.

4. The welding clamping and rotating positioning device according to claim 3, characterized in that: A spring column (506) is provided above the tightening seat (505), and the head of the spring column (506) is interconnected with the movable seat (503) through a thread. A screw rod (507) is provided at the rear of the tightening seat (505), and the screw rod (507) passes through the rear of the bottom plate (501) and is threadedly connected.

5. The welding clamping and rotating positioning device according to claim 3, characterized in that: A V-shaped groove block is provided in front of the movable seat (503), and a V-shaped groove block is also provided on the fixed seat (502), and the two V-shaped blocks are opposite to each other.

6. The welding clamping and rotating positioning device according to claim 1, characterized in that: A rotating shaft is arranged at the rear of the rotating frame (3), and a bearing is arranged between the rotating shaft and the shaft sleeve (2). A pin (8) is arranged in the middle of the head of the rotating frame (3).

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