Flange plate drilling device

Abstract

The utility model relates to a flange plate drilling device which comprises a workbench, a rotary table rotationally arranged at the top of the workbench, a first motor arranged at the bottom of the workbench and used for driving the rotary table to rotate, a boss arranged in the center of the top of the rotary table, a positioning column arranged in the center of the top of the boss, and a plurality of flange plates to be machined and spacer rings arranged on the positioning column in a sleeved mode. The top of the positioning column is in threaded connection with a pressing ring, the flange plate and the spacer ring are pressed and fixed through the pressing ring, a clamping mechanism is arranged at the top of the rotary table, the side wall of the flange plate is clamped and fixed through the clamping mechanism, a side plate is arranged on one side of the top of the workbench, and a top plate is slidably arranged at the top of the side plate. A power mechanism for driving the top plate to slide is arranged on the side plate, and a drilling mechanism is arranged on the top plate. The flange plate drilling device is convenient for drilling a plurality of flange plates at one time, and is high in working efficiency and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of flange processing, in particular to a flange drilling device. Background Art

[0002] Flanges, also known as flanges or flanges, are components used to connect pipes to each other, connecting pipe ends. Flanges are also used on equipment inlets and outlets, connecting two pieces of equipment. Flanges are essential components of valves, providing support, fixation, and connection. The flange's connection function is primarily achieved through multiple circumferentially distributed positioning holes, making drilling an essential step in flange manufacturing.

[0003] For example, Chinese utility model patent publication number CN218080491U discloses a flange drilling device. The device secures the flange to an inner workbench by clamping the jaws of a four-jaw chuck against the inner wall of the flange. An electric hydraulic lever then lowers the drilling motor and drill bit, which rotates the motor to drill the flange. This patent allows only one flange to be drilled at a time, requiring constant disassembly and assembly of the flange during processing, resulting in low efficiency. Summary of the Invention

[0004] The utility model aims to solve the deficiencies of the prior art and provides a flange drilling device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a flange drilling device, including a workbench, a turntable is rotatably provided on the top of the workbench, a first motor is provided at the bottom of the workbench to drive the turntable to rotate, a boss is provided at the center of the top of the turntable, a positioning column is provided at the center of the top of the boss, a number of flanges to be processed and spacer rings are sleeved on the positioning column, the flanges and the spacer rings are arranged at intervals, a clamping ring is threadedly connected to the top of the positioning column, the flanges and the spacer rings are clamped and fixed by the clamping ring, a clamping mechanism is provided on the top of the turntable, the side wall of the flange is clamped and fixed by the clamping mechanism, a side plate is provided on one side of the top of the workbench, a top plate is provided on the top of the side plate for sliding, a power mechanism for driving the top plate to slide is provided on the side plate, and a drilling mechanism is provided on the top plate.

[0006] Particularly, spacer blocks are provided on both sides of the spacer ring, and two upper and lower adjacent flanges are separated by the spacer blocks.

[0007] In particular, the boss diameter is larger than the flange center hole diameter.

[0008] Particularly, the outer diameter of the clamping ring is larger than the diameter of the center hole of the flange, and a first rubber pad is provided at the bottom of the clamping ring.

[0009] In particular, the clamping mechanism includes a splint and a first lead screw. A slider is provided at the bottom of the splint, a slide groove corresponding to the slider is provided at the top of the turntable, a cavity connected to the slide groove is provided inside the turntable, the slider passes through the slide groove and slides along the bottom of the cavity, the first lead screw is rotatably connected to the inner walls on both sides of the cavity, and the slider is threadedly connected to the first lead screw, and one end of the first lead screw passes through the turntable and is fixed with a handwheel.

[0010] Particularly, a second rubber pad is provided on the side of the splint close to the flange.

[0011] In particular, the drilling mechanism includes a second motor, an L-shaped mounting plate, a lifting plate, a third motor, a second lead screw, and a drill bit. The mounting plate is fixed to the bottom of the top plate near one end of the positioning column. The second lead screw is rotatably connected between the top plate and the horizontal plate of the mounting plate. The second motor is installed on the top of the top plate and drives the second lead screw to rotate. The lifting plate slides up and down on the vertical plate of the mounting plate, and the lifting plate is threadedly connected to the second lead screw. The third motor passes through and is fixed to the lifting plate. The drill bit is installed on the main shaft of the third motor.

[0012] In particular, the side panel is in an inverted L shape, and the top panel is slidably arranged on a horizontal panel on the top of the side panel. The power mechanism includes an electric push rod, which is fixed to the outer wall of the side panel, and the push rod of the electric push rod passes through the side panel and is fixed to the mounting plate. A fixed sleeve is fixed to the outer side of the side panel, and a movable rod is telescopically arranged in the fixed sleeve, and the movable rod passes through the side panel and is fixed to the mounting plate.

[0013] The beneficial effects of the utility model are as follows: the utility model facilitates the coaxial fixation of multiple flanges by arranging a boss, a positioning column, a spacer ring, a clamping ring, and a clamping mechanism, and has a good fixing effect. Multiple flanges are convenient for simultaneous drilling processing, thereby improving work efficiency; by arranging a sliding top plate, a power mechanism, a fixed sleeve, and a movable rod, the position of the drilling mechanism is conveniently adjusted, the drilling range is increased, and it is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 for Figure 1 A in the middle is an enlarged schematic diagram;

[0016] Figure 3 This is a schematic diagram of the spacer ring structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the chute position of the utility model;

[0018] In the figure: 1- workbench; 2- turntable; 3- first motor; 4- boss; 5- positioning column; 6- flange; 7- spacer ring; 8- clamping ring; 9- side plate; 10- top plate; 11- spacer block; 12- clamping plate; 13- first lead screw; 14- slider; 15- slide groove; 16- cavity; 17- handwheel; 18- second motor; 19- mounting plate; 20- lifting plate; 21- third motor; 22- second lead screw; 23- drill bit; 24- electric push rod; 25- fixed sleeve; 26- movable rod;

[0019] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0021] like Figures 1-4 As shown, a flange drilling device includes a workbench 1, a turntable 2 is rotatably provided on the top of the workbench 1, a first motor 3 is provided at the bottom of the workbench 1 to drive the turntable 2 to rotate, a boss 4 is provided at the center of the top of the turntable 2, a positioning column 5 is provided at the center of the top of the boss 4, and a plurality of flanges 6 to be processed and spacer rings 7 are sleeved on the positioning column 5. The diameter of the boss 4 is larger than the diameter of the center hole of the flange 6. The flanges 6 and the spacer rings 7 are spaced apart. Spacer blocks 11 are provided on both sides of the spacer ring 7. Two adjacent flanges 6 are separated by the spacer blocks 11.

[0022] The top of the positioning column 5 is threadedly connected with a clamping ring 8, and the flange 6 and the spacer ring 7 are clamped and fixed by the clamping ring 8. The outer ring diameter of the clamping ring 8 is larger than the diameter of the center hole of the flange 6. The bottom of the clamping ring 8 is provided with a first rubber pad;

[0023] A clamping mechanism is provided on the top of the turntable 2, and the side wall of the flange 6 is clamped and fixed by the clamping mechanism. The clamping mechanism includes a clamping plate 12 and a first screw 13. A slider 14 is provided at the bottom of the clamping plate 12. A slide groove 15 corresponding to the slider 14 is provided on the top of the turntable 2. A cavity 16 connected to the slide groove 15 is provided inside the turntable 2. The slider 14 slides along the bottom of the cavity 16 through the slide groove 15. The first screw 13 is rotatably connected to the inner walls on both sides of the cavity 16, and the slider 14 is threadedly connected to the first screw 13. One end of the first screw 13 passes through the turntable 2 and is fixed with a handwheel 17. A second rubber pad is provided on the side of the clamping plate 12 close to the flange 6;

[0024] A side plate 9 is provided on one side of the top of the workbench 1, and a top plate 10 is slidably provided on the top of the side plate 9. A drilling mechanism is provided on the top plate 10, which includes a second motor 18, an L-shaped mounting plate 19, a lifting plate 20, a third motor 21, a second lead screw 22, and a drill bit 23. The mounting plate 19 is fixed to the bottom of the top plate 10 near one end of the positioning column 5, the second lead screw 22 is rotatably connected between the top plate 10 and the horizontal plate of the mounting plate 19, the second motor 18 is installed on the top of the top plate 10 and drives the second lead screw 22 to rotate, the lifting plate 20 slides up and down on the vertical plate of the mounting plate 19, and the lifting plate 20 is threadedly connected to the second lead screw 22, the third motor 21 passes through and is fixed to the lifting plate 20, and the drill bit 23 is installed on the main shaft of the third motor 21;

[0025] The side panel 9 is provided with a power mechanism for driving the top panel 10 to slide. The side panel 9 is in an inverted L shape. The top panel 10 slides on a horizontal plate on the top of the side panel 9. The power mechanism includes an electric push rod 24. The electric push rod 24 is fixed to the outer wall of the side panel 9, and the push rod of the electric push rod 24 passes through the side panel 9 and is fixed to the mounting plate 19. A fixed sleeve 25 is fixed to the outside of the side panel 9, and a movable rod 26 is telescopically provided in the fixed sleeve 25. The movable rod 26 passes through the side panel 9 and is fixed to the mounting plate 19.

[0026] When the present invention is working, multiple flanges 6 and spacer rings 7 to be processed are spaced apart and sleeved on the positioning column 5, and then the clamping ring 8 is installed to press and fix the flanges 7 and the spacer rings 7. After the initial fixation, the hand wheel 17 is turned, and the clamping plate 12 clamps and fixes the side walls of multiple flanges 6 to make the fixation more stable. Then the electric push rod 24 is started to adjust the position of the drill bit 23, and then the second motor 18 and the third motor 21 are started. The drill bit 23 moves down and drills multiple flanges 6 in turn. The turntable 2 is driven to rotate by the first motor 3, and then the remaining positions on the flange 6 can be drilled.

[0027] The utility model is convenient for coaxially fixing multiple flanges 6, has good fixing effect, and multiple flanges 6 are convenient for simultaneous drilling processing, thereby improving work efficiency; at the same time, it is convenient to flexibly adjust the position of the drilling mechanism, increase the drilling range, and is easy to use.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0030] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0031] The above is an exemplary description of the present invention in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the present invention, or they are directly applied to other occasions without improvement, they are all within the scope of protection of the present invention.

Claims

1. A flange drilling device, comprising a workbench (1), characterized in that: A turntable (2) is provided on the top of the workbench (1) for rotation. A first motor (3) for driving the turntable (2) to rotate is provided at the bottom of the workbench (1). A boss (4) is provided at the center of the top of the turntable (2). A positioning column (5) is provided at the center of the top of the boss (4). A plurality of flanges (6) and spacer rings (7) to be processed are sleeved on the positioning column (5). The flanges (6) and the spacer rings (7) are spaced apart. A clamping ring (8) is threadedly connected to the top of the positioning column (5). The flanges (6) and the spacer rings (7) are clamped and fixed by the clamping ring (8). A clamping mechanism is provided on the top of the turntable (2). The side wall of the flange (6) is clamped and fixed by the clamping mechanism. A side plate (9) is provided on one side of the top of the workbench (1). A top plate (10) is provided on the top of the side plate (9). A power mechanism for driving the top plate (10) to slide is provided on the side plate (9). A drilling mechanism is provided on the top plate (10).

2. A flange drilling device according to claim 1, characterized in that: Spacer blocks (11) are provided on both sides of the spacer ring (7), and two upper and lower adjacent flanges (6) are separated by the spacer blocks (11).

3. The flange drilling device according to claim 1, characterized in that: The diameter of the boss (4) is larger than the diameter of the center hole of the flange (6).

4. The flange drilling device according to claim 1, characterized in that: The outer diameter of the clamping ring (8) is larger than the diameter of the center hole of the flange (6), and a first rubber pad is provided at the bottom of the clamping ring (8).

5. The flange drilling device according to claim 1, characterized in that: The clamping mechanism includes a clamping plate (12) and a first screw (13). A slider (14) is provided at the bottom of the clamping plate (12). A slide groove (15) corresponding to the slider (14) is provided at the top of the turntable (2). A cavity (16) connected to the slide groove (15) is provided inside the turntable (2). The slider (14) passes through the slide groove (15) and slides along the bottom of the cavity (16). The first screw (13) is rotatably connected to the inner walls on both sides of the cavity (16), and the slider (14) is threadedly connected to the first screw (13). One end of the first screw (13) passes through the turntable (2) and is fixedly connected to a handwheel (17).

6. The flange drilling device according to claim 5, characterized in that: A second rubber pad is provided on one side of the clamping plate (12) close to the flange (6).

7. The flange drilling device according to claim 1, characterized in that: The drilling mechanism comprises a second motor (18), an L-shaped mounting plate (19), a lifting plate (20), a third motor (21), a second lead screw (22), and a drill bit (23). The mounting plate (19) is fixed to the bottom of the top plate (10) near one end of the positioning column (5). The second lead screw (22) is rotatably connected between the top plate (10) and the horizontal plate of the mounting plate (19). The second motor (18) is mounted on the top of the top plate (10) and drives the second lead screw (22) to rotate. The lifting plate (20) slides up and down on the vertical plate of the mounting plate (19), and the lifting plate (20) is threadedly connected to the second lead screw (22). The third motor (21) passes through and is fixed to the lifting plate (20). The drill bit (23) is mounted on the main shaft of the third motor (21).

8. The flange drilling device according to claim 7, characterized in that: The side plate (9) is in an inverted L-shape, and the top plate (10) is slidably arranged on a horizontal plate on the top of the side plate (9). The power mechanism includes an electric push rod (24), which is fixed to the outer wall of the side plate (9), and the push rod of the electric push rod (24) passes through the side plate (9) and is fixed to the mounting plate (19). A fixed sleeve (25) is fixed to the outer side of the side plate (9), and a movable rod (26) is telescopically arranged in the fixed sleeve (25), and the movable rod (26) passes through the side plate (9) and is fixed to the mounting plate (19).

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