CN211162633U - Welding tool for flange with neck - Google Patents

Abstract

The utility model belongs to the technical field of flanges, and in particular relates to a flange welding tool with a neck, which comprises a fixed seat in the shape of a rectangular parallelepiped, the fixed seat is provided with a groove along the width direction, and a horizontally arranged rotating shaft is arranged in the groove. The two ends of the rotating shaft are respectively provided with external threads with opposite directions of rotation, one end of the rotating shaft is rotatably connected to the side wall of the groove, and the other end of the rotating shaft passes through the other side wall of the groove Extending outward, the two ends of the rotating shaft located in the groove are respectively screwed with a vertically upwardly extending clamping plate for clamping and fixing the flange neck, and the upper end of the fixing seat is provided with the The sliding rail is vertically arranged at the middle position of the groove, and the sliding rail is slidably connected with a fixing mechanism for fixing the flange seat; the product of the utility model has a simple structure, is easy to operate, and improves the welding efficiency and precision.

Description

A neck flange welding tool

technical field

The utility model belongs to the technical field of flanges, in particular to a flange welding tool with a neck.

Background technique

Flange is also called flange flange or flange. Flanges are parts that connect pipes to each other and are used for the connection between pipe ends. Flange connection or flange joint refers to a detachable connection in which flanges, gaskets and bolts are connected to each other as a set of combined sealing structures. Flanges can be divided into integral flanges, threaded flanges, plate flat welding flanges, neck flanges, socket welding flanges, ring loose flanges, and lining flanges.

Flange with neck needs to be welded between the flange neck (pipe) and the flange seat in the production process. At present, some small workshops need a welding hand and an assistant in the welding process. The assistant mainly connects the flange neck with the flange seat. For the correspondence and fixing of the positions between the flange seats, at least two people are required to carry out the welding work, and the welding efficiency is low and the operation is inconvenient.

Utility model content

In order to solve the above technical problems, the utility model provides a flange welding tool with a neck.

The technical solution of the utility model to solve the above technical problems is as follows: a flange welding tool with a neck, comprising a fixed seat in the shape of a rectangular parallelepiped, the fixed seat is provided with a groove along the width direction, and a horizontally arranged groove is arranged in the groove. A rotating shaft, two ends of the rotating shaft are respectively provided with external threads with opposite directions of rotation, one end of the rotating shaft is rotatably connected to the side wall of the groove, and the other end of the rotating shaft passes through the other side of the groove The wall extends outward, and the two ends of the rotating shaft located in the groove are respectively screwed with clamping plates extending vertically upward for clamping and fixing the flange neck, and the upper end of the fixing seat is provided with The slide rail is vertically arranged at the middle position of the groove, and the slide rail is slidably connected with a fixing mechanism for fixing the flange seat.

The beneficial effects of the utility model are: when the utility model is in use, the rotating shaft is rotated to clamp the flange necks in the concave parts of the two clamping plates, and then the threaded holes on the flange seat are pierced on the fixed shaft. , through the sliding of the sliding seat on the slide rail, the flange seat and the flange neck are made close, and then the height of the fixed flange seat and the rotation of the disc are adjusted through the slider and the locking piece, so as to meet the requirements of the flange seat and the method. The size and angle required for flange welding have simple structure and easy operation, which improves welding efficiency and precision.

On the basis of the above technical solutions, the utility model can also be improved as follows.

As a further preference of the present invention, two opposite sides of the clamping plates are provided with concave portions, and the bottom surfaces of the concave portions are arc-shaped surfaces.

The beneficial effect of adopting the above-mentioned further scheme is that it can be effectively matched with the arc-shaped contour of the flange neck, and the stability of the clamping plate for fixing the flange neck is improved.

As a further preference of the present invention, the fixing mechanism includes a sliding seat, the sliding seat is slidably connected to the sliding rail, and the upper end of the sliding seat is provided with a supporting plate extending vertically upward, the supporting plate is close to the recessed The side of the groove is provided with a vertically arranged first dovetail groove, a sliding block is arranged in the first dovetail groove, and a sliding block is provided on the side of the sliding block close to the groove for locking and fixing the sliding block. The locking piece of the slider, the side of the slider close to the groove is vertically connected with a connecting shaft, and the end of the connecting shaft away from the slider is rotatably connected with a disk, and the disk is close to the groove. A clamping mechanism for clamping the flange seat is provided on the side of the groove.

The beneficial effect of adopting the above-mentioned further scheme is that it is convenient to weld flange necks of different lengths, and at the same time, it is convenient to adjust the welding angle and size.

As a further preference of the present invention, the locking member is a bolt member, and the sliding block is provided with a threaded hole that is threadedly matched with the bolt member.

The beneficial effect of adopting the above-mentioned further solution is that it is convenient to fix the slider, thereby fixing the disc.

As a further preference of the present invention, the clamping mechanism includes a sliding member, the end surface of the sliding member away from the disc is vertically and fixedly connected with a fixed shaft, and the side of the disc close to the groove is provided with a plurality of second dovetail grooves spaced along the circumference of the disk and slidably matched with the slider, each of the second dovetail grooves extends along the radial direction of the disk, and each of the second dovetail grooves One end of the groove away from the center of the disc extends to the outer peripheral surface of the disc, and the sliding member and the other end of the second dovetail groove are connected by a spring.

The beneficial effect of adopting the above-mentioned further scheme is that the threaded hole on the flange seat corresponds to the fixed shaft, and the fixed shaft passes through the threaded hole, and the flange seat is fixed more firmly and stably by the tensile force of the spring.

As a further preference of the present invention, four of the second dovetail grooves are evenly arranged along the circumferential direction of the disk.

The beneficial effect of adopting the above-mentioned further scheme is simple and convenient operation.

As a further preference of the present invention, a rotating handle is provided at one end of the rotating shaft away from the groove.

The beneficial effect of adopting the above-mentioned further scheme is simple and convenient operation.

As a further preference of the present invention, universal wheels are provided at the bottom corners of the fixed seat.

The beneficial effect of adopting the above-mentioned further solution is to facilitate the movement.

Description of drawings

Fig. 1 is the product structure schematic diagram of the present utility model;

2 is a schematic diagram of the connection relationship between the rotating shaft and the clamping plate of the present invention;

Figure 3 is a schematic diagram of the structure of the disc.

In the accompanying drawings, the list of components represented by each number is as follows:

1. Fixed seat, 2. Groove, 3. Rotating shaft, 4. Clamping plate, 5. Slide rail, 6. Recess, 7. Sliding seat, 8. Support plate, 9. Slider, 10. Locking Pieces, 11, connecting shaft, 12, disc, 13, sliding piece, 14, fixed shaft, 15, second dovetail groove, 16, spring.

Detailed ways

The principles and features of the present invention will be described below with reference to the accompanying drawings, and the examples are only used to explain the present invention, and are not intended to limit the scope of the present invention.

Example

As shown in FIG. 1 and FIG. 2, a flange welding tool with neck includes a fixed seat 1 in the shape of a cuboid. The fixed seat 1 is provided with a groove 2 along the width direction. The cavity of the groove 2 is a cuboid, and the groove The upper end of 2 is open, the groove 2 is provided with a horizontally arranged rotating shaft 3, the two ends of the rotating shaft 3 are respectively provided with external threads with opposite directions of rotation, and one end of the rotating shaft 3 is connected to the groove. The side wall of 2 is rotationally connected, and the contact position of the rotating shaft 3 and the side wall of the groove 2 is realized by a bearing, and the other end of the rotating shaft 3 extends outward through the other side wall of the groove 2 (the rotating shaft 3 and the side wall of the groove 2 are rotatably connected by bearings), and the two ends of the rotating shaft 3 located in the groove 2 are respectively screwed with vertically upwardly extending clamping plates for clamping and fixing the flange neck. 4. The clamping plate 4 is in the shape of a cuboid, and the lower end of the clamping plate 4 is provided with a threaded hole that is threaded with the rotating shaft 3, so that when the rotating shaft 3 rotates, the clamping plates 4 are close to or away from each other, so as to achieve synchronization along the axis of the rotating shaft 3. moving in the direction, while the clamping plate 4 is in clearance fit with the inner side wall of the groove 2, the clamping plate 4 can move relative to the groove 2, and the upper end of the fixed seat 1 is provided with a position in the middle of the groove 2 Vertically arranged slide rail 5, the slide rail 5 is arranged parallel to the length direction of the fixed seat 1, one end of the central axis of the slide rail 5 is located in the middle position of the groove 2, the slide rail 5 is welded or connected to the fixed seat 1 by screws, The slide rail 5 is slidably connected with a fixing mechanism for fixing the flange seat.

The opposite sides of the two clamping plates 4 are provided with concave portions 6, the bottom surface of the concave portions 6 is an arc surface, and the bottom surface of the concave portions 6 is bonded with a rubber layer to improve the stability of the fixed flange neck.

The fixing mechanism includes a sliding seat 7, which is slidably connected to the sliding rail 5. At the same time, the sliding seat 7 is provided with two bolts. The connection structure of the sliding seat 7 and the sliding rail 5 is the existing structure. For example, the two sides of the sliding rail 5 are inwardly recessed sliding grooves, and the bottom of the sliding seat 7 is provided with a slot for installing the sliding rail 5. The side is provided with a flange that slides with the chute, the upper end of the sliding seat 7 is provided with a supporting plate 8 extending vertically upward, the sliding seat 7 is a cube, and the lower end of the supporting plate 8 is vertically fixed and connected (welded or bolted) to the sliding At the center of the upper end face of the seat 7, a vertically arranged first dovetail groove is provided on the side of the support plate 8 close to the groove 2, and a sliding block 9 is provided in the first dovetail groove, so The side of the slider 9 close to the groove 2 is provided with a locking member 10 for locking and fixing the slider 9. The locking member 10 is a bolt member. The threaded hole of the screw fitting, the bottom of the bolt piece is bonded with a rubber pad, and the bolt piece passes through the threaded hole and abuts on the bottom wall of the first dovetail groove, thereby fixing the slider 9, and the slider 9 is close to the The side surface of the groove 2 is vertically connected (welded or screwed) with a connecting shaft 11, and one end of the connecting shaft 11 away from the sliding block 9 is rotatably connected (to realize the rotational connection through a bearing) with a disc 12, and the connecting shaft 11 It is vertically connected to the center of the disc 12 , and a clamping mechanism for clamping the flange seat is provided on the side of the disc 12 close to the groove 2 .

As shown in FIG. 3 , the clamping mechanism includes a sliding member 13 , and a fixed shaft 14 is vertically fixedly connected (welded) on the end surface of the sliding member 13 away from the disk 12 , and the disk 12 is close to the groove. 2 is provided with a plurality of second dovetail grooves 15 arranged at intervals along the circumference of the disc 12 and slidingly matched with the sliding member 13. Preferably, the disc 12 is evenly arranged with four of the The second dovetail grooves 15 are vertically disposed adjacent to the second dovetail grooves 15 , each of the second dovetail grooves 15 extends along the radial direction of the disk 12 , and each of the second dovetail grooves 15 is away from the circle One end of the center of the disk 12 extends to the outer peripheral surface of the disk 12, the sliding member 13 and the other end of the second dovetail groove 15 are connected by a spring 16, the spring 16 is welded on the sliding member 13, and the spring The other end of 16 is welded on the end of the second dovetail groove 15 away from the outer peripheral surface of the disk 12. When the flange seat is installed on the disk 12, the end face of the flange seat abuts on the end face of the sliding member 13, and the fixed shaft 14 is inserted into the threaded hole of the flange seat. At this time, the spring 16 is in a stretched state, and the flange seat is clamped and fixed firmly by the elastic tension of the spring 16 .

A rotating handle is provided at one end of the rotating shaft 3 away from the groove 2 , and a universal wheel is provided at the bottom corner of the fixing base 1 .

When the product of the utility model is in use, the rotating shaft 3 is rotated to clamp the flange necks in the concave parts 6 of the two clamping plates 4, and then the threaded holes on the flange seat are drilled on the fixed shaft 14, The seat 7 slides on the slide rail 5, so that the flange seat and the flange neck are close, and then the height of the fixed flange seat and the rotation of the disc 12 are adjusted through the slider 9 and the locking member 10, so as to satisfy the flange seat The size and angle required for welding with the flange neck have a simple structure, easy operation, and improve the welding efficiency and precision.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " The orientation or positional relationship indicated by "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", etc. is based on the orientation or positional relationship shown in the drawings, only It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In addition, in the description of the present invention, the term "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (8)

1. A welding tool for a flange with a neck is characterized by comprising a fixing seat (1) in a cuboid shape, the fixing seat (1) is provided with a groove (2) along the width direction, a rotating shaft (3) which is horizontally arranged is arranged in the groove (2), external threads with opposite rotation directions are respectively arranged at two ends of the rotating shaft (3), one end of the rotating shaft (3) is rotatably connected with the side wall of the groove (2), the other end of the rotating shaft (3) penetrates through the other side wall of the groove (2) to extend outwards, two ends of the rotating shaft (3) positioned in the groove (2) are respectively in threaded connection with a clamping plate (4) which vertically extends upwards and is used for clamping and fixing a flange neck, the fixing base (1) upper end be equipped with slide rail (5) that recess (2) middle part position department set up perpendicularly, sliding connection has the fixed establishment who is used for the mounting flange seat on slide rail (5).

2. The welding tool for the necked flange according to claim 1, wherein a concave portion (6) is arranged on the opposite side surfaces of the two clamping plates (4), and the bottom surface of the concave portion (6) is an arc-shaped surface.

3. A welding fixture for neck flanges according to claim 1, characterized in that the fixing mechanism comprises a sliding seat (7), the sliding seat (7) is connected with the sliding rail (5) in a sliding way, a supporting plate (8) which extends vertically and upwards is arranged at the upper end of the sliding seat (7), a first dovetail groove which is vertically arranged is arranged on the side surface of the supporting plate (8) close to the groove (2), a sliding block (9) in sliding fit is arranged in the first dovetail groove, a locking piece (10) for locking and fixing the sliding block (9) is arranged on the side surface of the sliding block (9) close to the groove (2), a connecting shaft (11) is vertically connected to the side surface of the sliding block (9) close to the groove (2), one end of the connecting shaft (11) far away from the sliding block (9) is rotationally connected with a disc (12), and a clamping mechanism for clamping the flange seat is arranged on the side surface of the disc (12) close to the groove (2).

4. A welding tooling for a neck flange according to claim 3, characterized in that the locking member (10) is a bolt member, and the slide block (9) is provided with a threaded hole in threaded engagement with the bolt member.

5. The neck flange welding tool according to claim 3, characterized in that the clamping mechanism comprises a sliding part (13), a fixed shaft (14) is vertically and fixedly connected to an end face, far away from the disc (12), of the sliding part (13), a plurality of second dovetail grooves (15) which are arranged at intervals along the circumferential direction of the disc (12) and are in sliding fit with the sliding part (13) are arranged on a side face, close to the groove (2), of the disc (12), each second dovetail groove (15) extends in the radial direction of the disc (12), one end, far away from the center of the disc (12), of each second dovetail groove (15) extends to the outer peripheral face of the disc (12), and the other ends of the sliding part (13) and the second dovetail grooves (15) are connected through springs (16).

6. A welding tool for a necked flange according to claim 5, wherein four second dovetail grooves (15) are uniformly arranged on the disk (12) along the circumferential direction.

7. A welding tool for a neck flange according to any one of claims 1-6, characterized in that a turning handle is arranged at one end of the turning shaft (3) far away from the groove (2).

8. A welding fixture for a necked flange according to any one of claims 1 to 6, wherein universal wheels are arranged at the bottom corners of the fixed seat (1).

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