Flange drilling clamp

Abstract

The utility model relates to the technical field of flange drilling, in particular to a flange drilling clamp which comprises a square groove, a fixing block, a first threaded rod, a first sliding rod and a second sliding rod are arranged in the square groove, the fixing block is fixedly installed at the bottom end of the inner wall of the square groove, and the first threaded rod is rotationally connected to the fixing block. One ends of the first sliding rod and the second sliding rod are fixedly connected with the fixed block, and the other ends of the first sliding rod and the second sliding rod are fixedly connected with the inner wall of the square groove. When the flange clamping device is used for clamping a flange, the flange is placed on the clamping sliding block, the clamping block is pushed, when the flange is clamped by the clamping block and the clamping sliding block, the fixing nut is rotated to enable the flange to be in an up-down and lateral clamping state, and then the driving motor is started to drive the clamping block and the clamping sliding block to clamp the flange. The clamping sliding block and the sliding blocks on the two sides of the clamping sliding block gradually move to clamp the side of the flange; according to the process, a plurality of sides, the upper portion and the lower portion of the flange are clamped, and the stability of the flange during flange drilling is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of flange drilling technique especially relates to a flange drilling clamp. BACKGROUND

[0002] The design of flange drilling clamp is based on mechanical principle, through accurate positioning and clamping mechanism, ensure that the flange keeps stable during drilling, the factors that need to be considered in design include clamp material selection, structure design and cooperation with machine tool etc., for example, for large flange, the clamp can need to adopt split type design, so as to facilitate installation and disassembly, and for small flange, integral type design can be adopted to improve machining accuracy. In the prior art, most of the flange drilling clamps only fix the flange up and down or fix it laterally, which may cause position deviation of the flange during drilling, reduce production efficiency and increase cost. SUMMARY

[0003] The utility model discloses a flange drilling clamp to solve the problem of flange position deviation caused by the instability of the clamp in the prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A flange drilling clamp, comprising a square groove, the square groove is provided with:

[0006] A fixed block, a first threaded rod, a first sliding rod, a second sliding rod, the fixed block is fixedly installed at the bottom end of the inner wall of the square groove, the first threaded rod is rotatably connected to the fixed block, one end of the first sliding rod and the second sliding rod is fixedly connected with the fixed block, the other end of the first sliding rod and the second sliding rod is fixedly connected with the inner wall of the square groove;

[0007] A driving structure, the driving structure is arranged on one side of the inner wall of the square groove, and the driving mechanism is used for driving the rotation of the first threaded rod;

[0008] A sliding mechanism, the sliding mechanism is arranged in the square groove, and the sliding mechanism is used for clamping the flange.

[0009] Preferably, the driving structure comprises:

[0010] A driving motor, a rotating shaft, a mounting bracket, the driving motor is fixedly installed on one side of the inner wall of the square groove, the mounting bracket is integrally formed on one side of the inner wall of the square groove, the rotating shaft is rotatably connected with the mounting bracket, and one end of the rotating shaft is fixedly connected with the first threaded rod.

[0011] Preferably, the sliding mechanism comprises:

[0012] The first sliding block is slidably connected with the first sliding rod, the second sliding block is slidably connected with the second sliding rod, the transverse sliding rod is slidably connected with the first sliding block and the second sliding block, and the rod body sliding grooves are symmetrically arranged on the left and right side walls of the square groove.

[0013] Preferably, the sliding mechanism further comprises:

[0014] The clamping sliding block is threadedly connected with the first threaded rod, the second threaded rod is slidably connected with the clamping sliding block, the clamping block is fixedly connected with the second threaded rod, the fixed nut is threadedly connected with the second threaded rod, and the block body sliding groove is arranged at the bottom end of the square groove.

[0015] Preferably, the clamping sliding block is fixedly connected with the transverse sliding rod, the transverse sliding rod is movably sleeved in the rod body sliding grooves at both ends, and the transverse sliding rod is arranged below the first sliding rod and the second sliding rod.

[0016] Preferably, the clamping sliding block is slidably installed on the block body sliding groove, and the top end of the clamping sliding block is below the top ends of the first sliding block and the second sliding block.

[0017] Compared with the prior art, the flange drilling clamp has the following advantages:

[0018] When the flange is clamped, the flange is first placed on the clamping sliding block and the clamping block, then the clamping block is pushed inward, the flange is clamped by the clamping block and the clamping sliding block, the fixed nut is rotated, the flange is in a clamped state in the up-down direction and the lateral direction, the driving motor is started, the clamping sliding block moves along the first threaded rod, and the two sliding blocks gradually approach the flange to clamp the flange in the lateral direction. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A structural schematic view of the flange drilling clamp is provided for the utility model;

[0020] Figure 2 A side view schematic view of the flange drilling clamp is provided for the utility model;

[0021] Figure 3 A main section schematic view of the flange drilling clamp is provided for the utility model.

[0022] In the figure: 1, square groove; 2, driving motor; 3, rotating shaft; 4, mounting bracket; 5, first threaded rod; 6, fixed block; 7, first sliding rod; 8, second sliding rod; 9, transverse sliding rod; 10, rod body sliding groove; 11, first sliding block; 12, second sliding block; 13, block body sliding groove; 14, clamping block; 15, clamping sliding block; 16, second threaded rod; 17, fixed nut. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0024] Referring to Figures 1-3 A flange drilling clamp, comprising a square groove 1, the square groove 1 is provided with a fixed block 6, a first threaded rod 5, a first sliding rod 7, a second sliding rod 8, the fixed block 6 is fixedly installed at the bottom end of the inner wall of the square groove 1, the first threaded rod 5 is rotationally connected to the fixed block 6, one end of the first sliding rod 7 and the second sliding rod 8 is fixedly connected to the fixed block 6, and the other end of the first sliding rod 7 and the second sliding rod 8 is fixedly connected to the inner wall of the square groove 1.

[0025] A driving structure is arranged on one side of the inner wall of the square groove 1, and the driving structure is used for driving the rotation of the first threaded rod 5; a sliding mechanism is arranged in the square groove 1, and the sliding mechanism is used for clamping the flange.

[0026] The driving structure comprises a driving motor 2, a rotating shaft 3 and a mounting bracket 4, the driving motor 2 is fixedly installed on one side of the inner wall of the square groove 1, the mounting bracket 4 is integrally formed on one side of the inner wall of the square groove 1, the rotating shaft 3 is rotationally connected to the mounting bracket 4, and one end of the rotating shaft 3 is fixedly connected to the first threaded rod 5.

[0027] The sliding mechanism comprises a first sliding block 11, a second sliding block 12, a transverse sliding rod 9 and a rod body sliding groove 10, the first sliding block 11 is slidingly connected to the first sliding rod 7, the second sliding block 12 is slidingly connected to the second sliding rod 8, the transverse sliding rod 9 is slidingly connected to the first sliding block 11 and the second sliding block 12, and the rod body sliding groove 10 is symmetrically arranged on the left and right side walls of the square groove 1; when the transverse sliding rod 9 moves, the two ends of the transverse sliding rod 9 move in the rod body sliding groove 10, so that the transverse sliding rod 9 cannot be deviated in the up-down position, and the two sliding blocks are in a sliding state on the transverse sliding rod 9 when the two sliding blocks move along the two sliding rods.

[0028] When the clamping sliding block 15 and the clamping block 14 clamp the flange, there may be a slight deviation on the left and right sides of the flange, but when the transverse sliding rod 9 drives the first sliding block 11 and the second sliding block 12 to clamp the flange, not only the flange is clamped, but also the deviation on the left and right sides of the flange is corrected.

[0029] The sliding mechanism further comprises a clamping sliding block 15, a second threaded rod 16, a clamping block 14, a fixing nut 17, a block sliding groove 13, the clamping sliding block 15 is threadedly connected to the first threaded rod 5, and the clamping sliding block 15 is slidingly installed on the block sliding groove 13, the second threaded rod 16 is slidingly connected to the clamping sliding block 15, the clamping block 14 is fixedly connected with the second threaded rod 16, and the clamping block 14 is in sliding relationship with the clamping sliding block 15, and the fixing nut 17 is threadedly connected to the second threaded rod 16.

[0030] The function principle of the utility model can be described by the following operation modes:

[0031] As shown in the accompanying drawings, Figure Two When the clamping sliding block 15 is located at the rightmost end, the clamping block 14 is pulled to the right side and the flange is placed above the clamping sliding block 15, the left side of the flange is abutted with the groove on the clamping sliding block 15, then the clamping block 14 is pushed to the left side, the groove on the clamping block 14 is abutted with the right side of the flange, due to the limiting of the grooves of the clamping sliding block 15 and the clamping block 14, the flange can be kept in the clamped state up and down, then the fixing nut 17 on the second threaded rod 16 is rotated, so that the flange is kept in the clamped state left and right.

[0032] Then the driving motor 2 is started, the driving motor 2 drives the first threaded rod 5 to rotate through the rotating shaft 3, then the clamping sliding block 15 located on the first threaded rod 5 moves to the left, the horizontal sliding rod 9 fixedly connected with the clamping sliding block 15 drives the first sliding block 11 to slide along the first sliding rod 7, the second sliding block 12 slides along the second sliding rod 8, and gradually approaches the flange, when the first sliding block 11 and the second sliding block 12 abut with the front and back sides of the flange and stop moving, the pressure sensor located on the two sliding blocks transmits a signal to the driving motor 2 and makes it stop working, so that the two sliding blocks are fixed and the flange is kept in the clamped state.

[0033] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A flange drilling fixture, comprising a square groove (1), characterized in that, The square groove (1) is provided with: Fixed block (6), first threaded rod (5), first sliding rod (7), second sliding rod (8), the fixed block (6) is fixedly installed at the bottom of the inner wall of the square groove (1), the first threaded rod (5) is rotatably connected to the fixed block (6), one end of the first sliding rod (7) and the second sliding rod (8) is fixedly connected to the fixed block (6), and the other end of the first sliding rod (7) and the second sliding rod (8) is fixedly connected to the inner wall of the square groove (1); The driving structure is disposed on one side of the inner wall of the square groove (1), and the driving mechanism is used to drive the rotation of the first threaded rod (5); A sliding mechanism is provided in a square groove (1) and is used to clamp the flange.

2. The flange drilling fixture according to claim 1, characterized in that, The driving structure includes: Drive motor (2), rotating shaft (3), mounting bracket (4), the drive motor (2) is fixedly installed on one side of the inner wall of the square groove (1), the mounting bracket (4) is integrally formed on one side of the inner wall of the square groove (1), the rotating shaft (3) is rotatably connected to the mounting bracket (4), and one end of the rotating shaft (3) is fixedly connected to the first threaded rod (5).

3. A flange drilling fixture according to claim 2, characterized in that, The sliding mechanism includes: First sliding block (11), second sliding block (12), transverse sliding rod (9), rod body groove (10), the first sliding block (11) is slidably connected to the first sliding rod (7), the second sliding block (12) is slidably connected to the second sliding rod (8), the transverse sliding rod (9) is slidably connected to the first sliding block (11) and the second sliding block (12), and the rod body groove (10) is symmetrically opened on the left and right side walls of the square groove (1).

4. A flange drilling fixture according to claim 3, characterized in that, The sliding mechanism further includes: Clamping slider (15), second threaded rod (16), clamping block (14), fixing nut (17), block groove (13), the clamping slider (15) is threaded to the first threaded rod (5), the second threaded rod (16) is slidably connected to the clamping slider (15), the clamping block (14) is fixedly connected to the second threaded rod (16), the fixing nut (17) is threaded to the second threaded rod (16), and the block groove (13) is opened at the bottom of the square groove (1).

5. A flange drilling fixture according to claim 4, characterized in that, The clamping slider (15) is fixedly connected to the transverse slide bar (9). The two ends of the transverse slide bar (9) are movably sleeved in the rod body groove (10), and the transverse slide bar (9) is located below the first slide bar (7) and the second slide bar (8).

6. A flange drilling fixture according to claim 5, characterized in that, The clamping slider (15) is slidably mounted on the block groove (13), and the top of the clamping slider (15) is located below the top of the first sliding block (11) and the second sliding block (12).

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