Flange clamp capable of clamping flanges of different sizes

Abstract

The utility model discloses a flange clamp capable of clamping flanges with different sizes, which comprises a mounting base, an adjustable clamping mechanism is mounted at the upper end of the mounting base, and a groove-shaped structure is arranged on the inner side of the mounting base; the adjustable clamping mechanisms are arranged in a bilateral symmetry mode with respect to the center of the mounting base. The utility model belongs to the technical field of flange clamps, and aims to solve the problems that in the prior art, the centering operation efficiency is low, and corresponding clamps need to be replaced according to different flange sizes. The flange clamping device achieves the technical effects that through threaded connection between the adjusting rods and the fixing bases, the distance between the clamping block single bodies is conveniently adjusted, meanwhile, the clamping range of the clamping blocks can be adjusted, flanges of different sizes can be clamped, meanwhile, fixing can be achieved through bolts of the upper positioning blocks, the upper positioning blocks are conveniently detached, the upper surfaces of flange plates are prevented from being covered, and the machining efficiency is improved. And the surface of the flange plate can be conveniently polished.

Description

Technical Field

[0001] The utility model relates to the technical field of flange clamps, in particular to a flange clamp capable of clamping flanges of different sizes. Background Art

[0002] A flange is a connecting element used to connect pipe fittings, pipelines and other equipment. When used, flanges usually appear in pairs, and the two are tightly connected by bolts. During the processing of flanges, there are strict requirements on the center positioning of the flange.

[0003] During the center positioning operation of the flange, the operator needs to gradually adjust the alignment according to the flange center, which has low operation efficiency. It is also necessary to replace the corresponding fixture according to different flange sizes, which has high production costs. In addition, when the conventional flange is aligned and clamped, the flange surface is covered, affecting subsequent surface processing. Utility Model Content

[0004] To this end, the utility model provides a flange clamp capable of clamping flanges of different sizes to solve the above-mentioned problems in the prior art.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] According to a first aspect of the utility model, a flange clamp capable of clamping flanges of different sizes comprises a mounting base, an upper end of which is provided with an adjustable clamping mechanism, and further comprises:

[0007] A groove-shaped structure is provided on the inner side of the mounting base, and a center positioning mechanism is installed in the groove-shaped structure;

[0008] A fixing block is fixed on the upper end of the mounting base;

[0009] The adjustable clamping mechanism is arranged symmetrically about the center of the mounting base, and cooperates with the fixing block to clamp the flange at three points. The adjustable clamping mechanism includes a fixing seat, an adjusting rod is installed on the inner side of the fixing seat, and the inner end of the adjusting rod is rotatably connected to a clamping block, and the upper end of the clamping block is bolted to fix an upper positioning block.

[0010] Furthermore, the center positioning mechanism includes a mounting column, a supporting block is mounted on the upper end of the mounting column, and a center positioning cone is mounted on the inner side of the supporting block.

[0011] Furthermore, a magnetic ring is installed on the upper end of the supporting block.

[0012] Furthermore, a limiting rod is fixed to the lower end of the clamping block, and a supporting rod is fixed to the lower end of the limiting rod. The limiting rod is slidably connected to the mounting base, and the longitudinal section of the limiting rod is "L"-shaped.

[0013] Furthermore, a limiting groove opened in the mounting base is also provided on the lower side of the support rod, and the support rod and the limiting groove form a sliding connection.

[0014] Furthermore, a groove is provided on the inner side of the groove-shaped structure in the mounting base, and the groove-shaped structure is arranged in a rectangular shape.

[0015] The utility model has the following advantages:

[0016] 1. The center positioning mechanism can be used to center the lower surface of the flange to avoid covering the upper surface of the flange, so as to facilitate the subsequent surface grinding of the flange;

[0017] 2. Through the threaded connection between the adjusting rod and the fixing seat, the distance between the clamping block monomers can be adjusted conveniently, and the clamping range of the clamping block can be adjusted to adapt to the clamping of flanges of different sizes. At the same time, the upper positioning block can be fixed with bolts to facilitate the removal of the upper positioning block, avoid covering the upper surface of the flange, and facilitate the surface grinding of the flange. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A top cross-sectional view of a flange clamp capable of clamping flanges of different sizes provided in some embodiments of the utility model.

[0019] Figure 2 For this utility model Figure 1 Middle AA cross section.

[0020] In the figure: 1. mounting base, 2. fixing block, 3. groove, 4. center positioning mechanism, 401. mounting column, 402. supporting block, 403. center positioning cone, 404. magnetic ring, 5. adjustable clamping mechanism, 501. fixing seat, 502. adjusting rod, 503. clamping block, 504. upper positioning block, 505. limiting rod, 506. supporting rod, 6. limiting groove. DETAILED DESCRIPTION

[0021] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0022] like Figure 1 to Figure 2As shown, a flange clamp capable of clamping flanges of different sizes in an embodiment of the first aspect of the utility model comprises a mounting base 1, a groove structure is provided on the inner side of the mounting base 1, and a center positioning mechanism 4 is installed in the groove structure, the center positioning mechanism 4 comprises a mounting column 401, a supporting block 402 is installed on the upper end of the mounting column 401, and a center positioning cone 403 is installed on the inner side of the supporting block 402, the center positioning cone 403 can be used to align with the center hole pre-treated on the surface of the flange, so that the center positioning mechanism 4 can center the flange and reduce the subsequent centering process operations, the mounting column 401 is slidably connected to the mounting base 1, which is convenient for adjusting the positioning center of the center positioning cone 403, and a magnetic ring 404 is also installed on the upper end of the supporting block 402, which can increase the positioning effect between the flanges and avoid the flanges from moving randomly during the clamping process.

[0023] A fixing block 2 is fixed to the upper end of the mounting base 1;

[0024] The adjustable clamping mechanism 5 is installed on the upper end of the mounting base 1, and the adjustable clamping mechanism 5 is symmetrically arranged about the center of the mounting base 1, and cooperates with the fixing block 2 to clamp the flange at three points. The adjustable clamping mechanism 5 includes a fixing seat 501, an adjusting rod 502 is installed on the inner side of the fixing seat 501, and the inner end of the adjusting rod 502 is rotatably connected with a clamping block 503, and the upper end of the clamping block 503 is bolted with an upper positioning block 504. The threaded connection between the adjusting rod 502 and the fixing seat 501 is used to facilitate the adjustment of the distance between the clamping block 503 monomers, and at the same time, the clamping range of the clamping block 503 can be adjusted to adapt to the clamping of flanges of different sizes. The upper positioning block 504 can be used to adjust the upper and lower surfaces of the flange. The clamping block 503 can be clamped and fixed with the bolts of the upper positioning block 504, which is convenient for disassembly of the upper positioning block 504 to avoid covering the upper surface of the flange and facilitate surface grinding of the flange. The lower end of the clamping block 503 is fixed with a limiting rod 505, and the lower end of the limiting rod 505 is fixed with a supporting rod 506. The limiting rod 505 is slidably connected with the mounting base 1, and the longitudinal section of the limiting rod 505 is "L"-shaped, which can position the clamping block 503 to avoid arbitrary rotation. The lower side of the supporting rod 506 is also provided with a limiting groove 6 opened in the mounting base 1, and the supporting rod 506 is slidably connected with the limiting groove 6, which can support the lower end of the limiting rod 505 and improve the supporting performance of the clamping block 503. Example

[0025] like Figure 1 and Figure 2 As shown, a flange clamp capable of clamping flanges of different sizes includes all the contents of Example 1. In addition, a groove 3 is provided on the inner side of the groove-shaped structure in the mounting base 1, and the groove-shaped structure is arranged in a rectangular shape.

[0026] The technical effect achieved by the above embodiment is: a gap is provided between the flange and the groove-shaped structure, and the groove 3 is used to facilitate the removal of the flange that has accidentally fallen from the gap.

Claims

1. A flange clamp capable of clamping flanges of different sizes, comprising a mounting base (1), an upper end of the mounting base (1) being provided with an adjustable clamping mechanism (5), characterized in that: Also includes: A groove-shaped structure is provided on the inner side of the mounting base (1), and a center positioning mechanism (4) is installed in the groove-shaped structure; A fixing block (2) is fixed on the upper end of the mounting base (1); The adjustable clamping mechanism (5) is arranged symmetrically about the center of the mounting base (1), and cooperates with the fixing block (2) to clamp the flange at three points. The adjustable clamping mechanism (5) comprises a fixing seat (501), an adjusting rod (502) is installed on the inner side of the fixing seat (501), and the inner end of the adjusting rod (502) is rotatably connected to a clamping block (503), the upper end of the clamping block (503) is bolted to an upper positioning block (504), and the adjusting rod (502) is threadedly connected to the fixing seat (501).

2. A flange clamp capable of clamping flanges of different sizes according to claim 1, characterized in that: The center positioning mechanism (4) comprises a mounting column (401), a supporting block (402) is mounted on the upper end of the mounting column (401), and a center positioning cone (403) is mounted on the inner side of the supporting block (402).

3. A flange clamp capable of clamping flanges of different sizes according to claim 2, characterized in that: A magnetic ring (404) is also installed on the upper end of the supporting block (402).

4. The flange clamp capable of clamping flanges of different sizes according to claim 1, characterized in that: A limiting rod (505) is fixed to the lower end of the clamping block (503), and a supporting rod (506) is fixed to the lower end of the limiting rod (505). The limiting rod (505) is slidably connected to the mounting base (1), and the longitudinal section of the limiting rod (505) is "L"-shaped.

5. A flange clamp capable of clamping flanges of different sizes according to claim 4, characterized in that: The lower side of the support rod (506) is also provided with a limiting groove (6) opened in the mounting base (1), and the support rod (506) and the limiting groove (6) are slidably connected.

6. The flange clamp capable of clamping flanges of different sizes according to claim 1, characterized in that: A groove (3) is also provided on the inner side of the groove-shaped structure of the mounting base (1), and the groove-shaped structure is arranged in a rectangular shape.

Images