Sectional type winding drum flange welding mould

Abstract

The utility model discloses a sectional type winding drum flange welding mould which comprises a supporting disc, a plurality of fastening devices for correspondingly positioning and fixing flange sections are arranged on the upper portion of the supporting disc in the radial direction, and a flange to be welded is defined by the flange sections. The fastening device comprises a bottom plate, a cover plate is arranged on the upper portion of the bottom plate in parallel, the flange section penetrates between the cover plate and the supporting disc, the bottom plate is provided with a sliding groove pointing to the center of the supporting disc, the cover plate is provided with a long groove pointing to the center of the supporting disc, and two bolt and nut sets are arranged in the long groove and correspondingly abut against the inner side and the outer side of the flange section respectively. Bolt heads of the bolt and nut sets are in sliding fit with the sliding grooves. The welding device can meet the welding operation of 2-N sectional winding drum flanges with different specifications, the arc centers of the sectional winding drum flanges with different sizes are coaxial, the flatness and stability of the sectional winding drum flanges are guaranteed, and the welding operation efficiency and the welding quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crane drum manufacturing, in particular to a segmented drum flange welding jig. Background Art

[0002] The drum flange is an important component of the drum, mainly used for the interconnection between two parts. In order to reduce the production cost of the product and improve the utilization rate of materials, the drum flange is mostly cut in sections. Although this cutting method has the effect of saving steel and reducing costs, it is necessary to weld the multiple sections of the drum flange into a whole during subsequent use, which increases the welding process. Welding is an important part of the preparation of segmented drum flanges. The quality and efficiency of welding will directly affect the product quality and production cost of the drum flange. At present, in order to complete the welding operation with high quality and efficiency, many special equipment need to be added, and welding jigs are an important type of them.

[0003] The patent with publication number CN116652514A discloses a segmented roll flange welding positioner, which includes a double-column gantry, a crossbeam, a rotary lifting mechanism and a clamping platform; the two columns of the double-column gantry are each provided with a lifting groove, and the vertical grooves of the two lifting grooves correspond to each other, and a rotary lifting mechanism is provided in each lifting groove, and the two rotary lifting mechanisms are respectively fixedly connected to one end of the crossbeam, and a clamping platform for clamping multiple sections of roll flanges is provided in the middle of the crossbeam. It discloses a segmented flange clamping platform, but it only positions and tightens the middle part of the flange section through a weld positioning and tightening mechanism. The flange section is prone to warping during welding, and the flatness of the flange section is difficult to ensure, which affects the welding quality. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a segmented drum flange welding jig that can meet the welding operations of segmented drum flanges with 2-N segments and different specifications, realize the coaxiality of the arc centers of segmented drum flanges of different sizes, ensure the flatness and stability of the segmented drum flanges, improve the welding operation efficiency and welding quality, and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a segmented drum flange welding jig, comprising a support plate, wherein the upper part of the support plate is radially provided with a plurality of fastening devices corresponding to the positioning and fixing flange segments, and the plurality of flange segments surround the flange to be welded; the fastening device comprises a bottom plate, a cover plate is parallelly provided on the upper part of the bottom plate, the flange segment passes through between the cover plate and the support plate, the bottom plate is provided with a slide groove pointing to the center of the support plate, the cover plate is provided with a long groove pointing to the center of the support plate, two bolt and nut groups are provided in the long groove, the two bolt and nut groups are respectively in contact with the inner and outer sides of the flange segment, and the bolt heads of the bolt and nut groups are slidably matched with the slide groove; the upper part of the support plate is also radially provided with a plurality of positioning plates, the positioning plates are of the same height as the bottom plate, and the linear arrays on both sides of the positioning plates are provided with a plurality of permanent magnets; the plurality of fastening devices and the positioning plates are staggered; the center of the support plate is also provided with a flatness detection device, the flatness detection device comprises a fixed seat, the fixed seat is connected to a rotating seat through a bearing, the rotating seat is hinged with a telescopic rod, and a level meter is movably connected to one end of the telescopic rod.

[0006] Preferably, the fastening device corresponds to one end portion of the fixed flange section, and the positioning plate and the electro-permanent magnet correspond to the other end portion of the fixed flange section.

[0007] Preferably, two slide grooves and two cover plates are provided on the bottom plate respectively.

[0008] Preferably, the base plate and the positioning plate are both fixed to the support plate by fastening screws.

[0009] Preferably, the support plate is provided with a plurality of fan-shaped holes at intervals.

[0010] Preferably, scale values ​​are provided on the upper portion of the positioning plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the flange segment is positioned and fixed by a fastening device, that is, the positioning of the inner and outer sides of the flange segment is achieved by moving two bolt and nut groups, and then the nuts are tightened to realize that the cover plate presses and fixes the flange segment on the base plate, and the other two bolt and nut groups and the cover plate can slide along the slide groove, so that it can be suitable for fixing flanges of different widths and specifications. In addition, the positioning plate and the permanent magnet can perform effective rigid fixation after the flange segment is positioned qualified to prevent movement during the welding operation; the flatness of the flange segment is detected by setting a flatness detection device to ensure the welding quality; it can meet the welding operations of all segmented drum flanges with 2-N segments and diameter sizes of Φ600mm to Φ2500mm, realize the coaxiality of the arc centers of segmented drum flanges of different sizes, ensure the flatness and stability of the segmented drum flanges, and improve the welding operation efficiency and welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the support plate structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the fastening device of the utility model;

[0015] Figure 4 This is a schematic diagram of the structure of the positioning plate of the utility model;

[0016] Figure 5 This is a schematic diagram of the structure of the flatness detection device of the utility model.

[0017] In the figure: 1 support plate, 1.1 fan-shaped hole, 2 flatness detection device, 2.1 fixed seat, 2.2 rotating seat, 2.3 telescopic rod, 2.4 level, 3 fastening device, 3.1 cover plate, 3.2 bolt and nut group, 3.3 bottom plate, 3.4 long groove, 3.5 slide groove, 4 permanent magnet, 5 positioning plate. DETAILED DESCRIPTION

[0018] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", etc. indicating directions or positional relationships, they only correspond to the drawings of the present application for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction.

[0019] See also Figure 1-5 The utility model provides a technical solution: a segmented roll flange welding jig, including a support plate 1, a plurality of fastening devices 3 corresponding to the positioning and fixing flange segments are radially arranged on the upper part of the support plate 1, and the plurality of flange segments surround the flange to be welded, and the flange to be welded is spliced ​​by 2-N flange segments, and welding is required at the joint; the fastening device 3 includes a bottom plate 3.3, a cover plate 3.1 is arranged parallel to the upper part of the bottom plate 3.3, and the flange segment passes between the cover plate 3.1 and the support plate 1, the bottom plate 3.3 is provided with a slide groove 3.5 pointing to the center of the support plate 1, and the cover plate 3.1 is provided with a long groove 3.4 pointing to the center of the support plate 1, and the long groove 3.5 is arranged Two bolt and nut groups 3.2 are arranged in the groove 3.4, and the two bolt and nut groups 3.2 are respectively in contact with the inner and outer sides of the flange section, and the bolt heads of the bolt and nut groups 3.2 are slidably matched with the slide groove 3.5; by moving the positions of the two bolt and nut groups 3.2, the two bolt and nut groups 3.2 are respectively positioned on the outer and inner sides of the flange section, and then the nuts are tightened so that the cover plate 3.1 presses and fixes the flange section on the bottom plate 3.3, and the cover plate 3.1 can be moved as a whole according to the diameter of the flange section, thereby meeting the fixing of all segmented drum flanges with a diameter size of Φ600mm to Φ2500mm, and has a wide range of uses;

[0020] Furthermore, a plurality of positioning plates 5 are radially provided on the upper part of the support disk 1, and the positioning plates 5 are at the same height as the bottom plate 3.3. A plurality of electric permanent magnets 4 are arranged in linear arrays on both sides of the positioning plates 5, and the function of the positioning plates 5 is to position the support flange section; a plurality of fastening devices 3 and the positioning plates 5 are arranged alternately; the fastening devices 3 correspond to one end of the fixed flange section, and the positioning plates 5 and the electric permanent magnets 4 correspond to the other end of the fixed flange section; that is, the fastening device 3 positions one side of the fixed flange section, and the positioning plate 5 and the electric permanent magnets 4 position the other side of the fixed flange section, so that the two ends are fixed, and the flange section is prevented from warping due to unilateral positioning and fixing, resulting in misalignment of the flatness, and thus affecting the welding of the weld;

[0021] Furthermore, a flatness detection device 2 is also provided at the center of the support plate 1. The flatness detection device 2 includes a fixed seat 2.1, the fixed seat 2.1 is connected to a rotating seat 2.2 through a bearing, the rotating seat 2.2 is hinged with a telescopic rod 2.3, one end of the telescopic rod 2.3 is movably connected with a level 2.4, the rotating seat 2.2 is connected to the fixed seat 2.1 through a bearing, and can achieve 360° rotation, and the telescopic rod 2.3 is hinged with the rotating seat 2.2 to achieve 180° rotation, so as to ensure that the level 2.4 detects the segmented reel flange of Φ600mm~Φ2500mm;

[0022] Furthermore, two slide grooves 3.5 on the bottom plate 3.3 and two slide grooves 3.1 are provided on the cover plate 3.1, and two slide grooves are used for fixing, so the positioning and fixing effect is better.

[0023] Furthermore, the bottom plate 3.3 and the positioning plate 5 are fixed to the support plate 1 by fastening screws, which is convenient for disassembly and installation;

[0024] In addition, the support plate 1 is provided with a plurality of fan-shaped holes 1.1 at intervals; and the upper portion of the positioning plate 5 is provided with scale values.

[0025] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and it is intended to include all changes that fall within the meaning and scope of equivalent elements in the content of the present invention.

Claims

1. A segmented roll flange welding jig, comprising a support plate (1), characterized in that: The upper part of the support plate (1) is radially provided with a plurality of fastening devices (3) for correspondingly positioning and fixing the flange segments, and the plurality of flange segments surround a flange to be welded; the fastening device (3) comprises a base plate (3.3), a cover plate (3.1) is parallelly provided on the upper part of the base plate (3.3), the flange segment passes through between the cover plate (3.1) and the support plate (1), the base plate (3.3) is provided with a slide groove (3.5) pointing to the center of the support plate (1), the cover plate (3.1) is provided with a long groove (3.4) pointing to the center of the support plate (1), two bolt and nut groups (3.2) are provided in the long groove (3.4), the two bolt and nut groups (3.2) respectively contact with the inner and outer sides of the flange segment, and the bolt and nut groups (3.2) are respectively in contact with the inner and outer sides of the flange segment. The bolt head of the support plate (3.2) is slidably matched with the slide groove (3.5); a plurality of positioning plates (5) are radially arranged on the upper part of the support plate (1); the positioning plates (5) are at the same height as the bottom plate (3.3); and a plurality of electric permanent magnets (4) are arranged in linear arrays on both sides of the positioning plates (5); a plurality of the fastening devices (3) and the positioning plates (5) are arranged alternately; a flatness detection device (2) is also arranged at the center of the support plate (1); the flatness detection device (2) comprises a fixed seat (2.1); the fixed seat (2.1) is connected to a rotating seat (2.2) via a bearing; the rotating seat (2.2) is hinged with a telescopic rod (2.3); and a level (2.4) is movably connected to one end of the telescopic rod (2.3).

2. The segmented drum flange welding jig according to claim 1, characterized in that: The fastening device (3) corresponds to one end of the fixed flange section, and the positioning plate (5) and the permanent magnet (4) correspond to the other end of the fixed flange section.

3. The segmented drum flange welding jig according to claim 1, characterized in that: The slide grooves (3.5) on the bottom plate (3.3) and the cover plate (3.1) are each provided with two corresponding ones.

4. The segmented drum flange welding jig according to claim 1, characterized in that: The base plate (3.3) and the positioning plate (5) are both fixed to the support plate (1) by means of fastening screws.

5. The segmented drum flange welding jig according to claim 1, characterized in that: The support plate (1) is provided with a plurality of sector-shaped holes (1.1) at intervals.

6. The segmented drum flange welding jig according to claim 1, characterized in that: The upper portion of the positioning plate (5) is provided with scale values.

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