Drilling device for valve flange machining

Abstract

The utility model discloses a drilling device for valve flange processing, which belongs to the technical field of valve flange processing and comprises a drilling table, two bottom blocks for supporting a valve flange are symmetrically arranged on the top surface of the drilling table, and baffles for clamping the valve flange are welded on the top surfaces of the two bottom blocks. The top faces of the two bottom blocks are rotationally connected with threaded rods through pin shafts, the peripheral sides of the two threaded rods are sleeved with pressing plates used for pressing a valve flange in a threaded mode, a moving frame is arranged above the drilling table, a moving block is arranged in an inner cavity of the moving frame, an electric push rod is installed on the top face of the moving block, and the output end of the electric push rod penetrates through the moving frame to be connected with a mounting plate. A drilling motor is mounted on the bottom face of the mounting plate, and the output end of the drilling motor is connected with a drilling rod used for drilling the valve flange. According to the drilling device for machining the valve flange, the problems that vibration is prone to occurring during drilling, and chippings splash everywhere are solved, and the quality of drilling the valve flange is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to valve flange processing technical field, especially a kind of drilling device for valve flange machining. BACKGROUND

[0002] Valve is used to open and close pipeline, control flow direction, adjust and control the parameter of pipeline accessory of conveying medium, the existing valve is generally connected with pipeline by flange plate, is connected with pipeline by bolt, so, in the valve flange production process, need to be aligned and punched, but, now most punching device, only simple clamping is carried out to the sidewall of valve flange, leading to vibration of valve flange when drilling, affect the quality of drilling, and the debris generated when drilling will splash everywhere, so that personnel is easily scratched by splashed debris, affect the physical and mental safety of personnel.

[0003] The existing Chinese patent (authorized announcement number CN221018813U) a flange plate drilling fixture, its: "including fixed base and movable seat, its characterized in that: movable seat is located above fixed base, movable seat middle part is fixedly connected with placing table, movable seat is fixed with two groups of first fixed plate, first fixed plate interior is slidably connected with two groups of second fixed plate."

[0004] It can be known that the cited patent document has the problems of easy vibration and debris flying everywhere. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of drilling device for valve flange machining to solve the problems raised in background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of drilling device for valve flange machining, including drilling station, the top surface of the drilling station is symmetrically provided with two bottom blocks for supporting valve flange, the top surface of two bottom blocks is welded with the baffle for clamping valve flange, the top surface of two bottom blocks is rotatably connected with threaded rod by pin shaft, the periphery of two threaded rods is threadedly provided with the pressing plate for pressing valve flange, the upper portion of the drilling station is equipped with moving frame, the inner chamber of the moving frame is equipped with moving block, the top surface of the moving block is installed with electric push rod, the output end of the electric push rod is connected with mounting plate by moving frame, the bottom surface of the mounting plate is installed with drilling motor, the output end of the drilling motor is connected with the drill rod for drilling valve flange, the periphery of the mounting plate is wrapped with the protective cover for limiting debris.

[0007] Preferably, the top surface of two bottom blocks is symmetrically welded with two limit rods, and two pressing plates are slidably sleeved on the periphery of two limit rods.

[0008] Preferably, the top surface of the mounting plate is symmetrically connected with two vertical rods, and the free ends of the two vertical rods are both penetrated through the protective cover and the moving block.

[0009] Preferably, the top surface of the drilling table is provided with a first air cylinder through a support, and the piston rod of the first air cylinder is fixedly connected with one side surface of one of the bottom blocks.

[0010] Preferably, the top surface of the moving frame is provided with a sliding groove for the movement of the moving block, and the inner side wall of the sliding groove is symmetrically welded with a limiting block.

[0011] Preferably, the moving block is slidably sleeved on the circumferential side of the limiting block, both side surfaces of the drilling table are provided with sliding blocks, and the moving frame is slidably connected with the two sliding blocks, respectively.

[0012] Preferably, one side surface of each of the two sliding blocks is provided with a hydraulic cylinder, and the piston rod of each of the two hydraulic cylinders is fixedly connected with the moving frame through the sliding block.

[0013] Compared with the prior art, the technical effects and advantages of the present application are as follows:

[0014] The drilling device for valve flange machining can pad up the valve flange and clamp the valve flange from the side through the setting of the bottom block and the baffle, can provide power for the movement of the pressing plate by rotating the threaded rod, can exert downward pressure on the valve flange, improve the fixing effect, and compared with the prior art which only simply clamps the side wall, the device can clamp and press the valve flange under the condition of clamping the side wall, thereby improving the fixing effect.

[0015] The protective cover wraps the mounting plate, so that the debris can be inside the protective cover, avoiding the case that the debris splashes everywhere and scratches the workers.

[0016] The two connected vertical rods can limit the movement track of the protective cover, avoiding the deviation of the protective cover, and the top surface of the bottom block is welded with two limiting rods, which can also limit the movement of the pressing plate. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0018] Figure 1 The structure of the present application is shown in the figure;

[0019] Figure 2 The structural schematic view of the baffle and the pressing plate of the utility model;

[0020] Figure 3 The side sectional view of the moving block and the protective cover of the utility model;

[0021] Figure 4 The utility model discloses Figure 1 The enlarged schematic view of structure A.

[0022] Mark explanation:

[0023] In the drawing: 1, drilling table; 2, bottom block; 3, baffle; 4, threaded rod; 5, pressing plate; 6, moving frame; 7, moving block; 8, electric push rod; 9, mounting plate; 10, drilling motor; 11, drill rod; 12, protective cover; 13, limiting rod; 14, vertical rod; 15, first air cylinder; 16, sliding groove; 17, limiting block; 18, second air cylinder; 19, sliding block; 20, hydraulic cylinder. Specific implementation

[0024] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, some technical features known in the art are not described to avoid confusion with the utility model.

[0025] Unless the direction defined separately is indicated, the directions such as up, down, left, right, front, back, inner and outer involved in the present utility model are based on the directions such as up, down, left, right, front, back, inner and outer in the drawing shown by the utility model, which are explained here.

[0026] The connecting mode can adopt existing modes such as bonding, welding, bolt connection and the like, and the actual needs are accurate.

[0027] As Figures 1 to 4 The utility model discloses a drilling device for valve flange processing, including drilling table 1, the top surface of drilling table 1 is provided with two bottom blocks 2 for the pad of valve flange, the top surface of drilling table 1 is installed with first air cylinder 15 through support, the piston rod of first air cylinder 15 is connected with the side surface of one of bottom blocks 2 and is fixed, according to the size of the valve flange needed to drill, open first air cylinder 15, namely one of bottom blocks 2 can be mobilized to move, thereby changing the distance between two bottom blocks 2, after adjusting to the appropriate distance, let the valve flange be placed on the top surface of two bottom blocks 2, and the valve flange of different sizes is conveniently padded.

[0028] The top surface of the two bottom blocks 2 is welded with a baffle 3 for clamping the valve flange, the top surface of the two bottom blocks 2 is rotatably connected with a threaded rod 4 through a pin shaft, the circumferential side of the two threaded rods 4 is threadedly sleeved with a pressing plate 5 for pressing the valve flange, after the valve flange is placed on the top surface of the two bottom blocks 2, the bottom block 2 is continuously moved, so that the circumferential side of the valve flange is against the two baffles 3, the valve flange is clamped, at this time, the threaded rod 4 is rotated, the pressing plate 5 is moved downward, the pressing plate 5 can exert downward pressure on the valve flange, the valve flange is pressed, and the threaded self-locking and the baffle 3 can double-fix the valve flange, improve the fixing effect, and improve the drilling quality.

[0029] The top surface of the two bottom blocks 2 is symmetrically welded with two limiting rods 13, the two pressing plates 5 are respectively slidably sleeved on the circumferential side of the two limiting rods 13, when the pressing plate 5 performs longitudinal reciprocating motion, it will move longitudinally on the circumferential side of the limiting rod 13, so as to limit the movement track of the pressing plate 5, avoiding deviation.

[0030] The upper side of the drilling table 1 is provided with a moving frame 6, the moving frame 6 is inverted U-shaped, the inner cavity of the moving frame 6 is provided with a moving block 7, the top surface of the moving block 7 is provided with an electric push rod 8, the output end of the electric push rod 8 penetrates the moving frame 6 and is connected with a mounting plate 9, the bottom surface of the mounting plate 9 is provided with a drilling motor 10, the output end of the drilling motor 10 is connected with a drill rod 11 for drilling the valve flange, the circumferential side of the mounting plate 9 is wrapped with a protective cover 12 for limiting debris, and the top surface of the protective cover 12 is provided with a through hole for the piston rod of the electric push rod 8 to pass through, the drilling motor 10 and the drill rod 11 are in the inner cavity of the protective cover 12, after the valve flange is fixed, the electric push rod 8 is started, the mounting plate 9 and the protective cover 12 are moved downward, the protective cover 12 is first against the valve flange, at this time, the mounting plate 9 is continuously moved downward, the drill rod 11 can be against the valve flange, at this time, the drilling motor 10 is started, the drill rod 11 is rotated, and the electric push rod 8 is started again to move the drill rod 11 downward, so as to drill the valve flange, and the debris generated during drilling is limited by the protective cover 12, so as to be always inside the protective cover 12, avoiding splashing everywhere and scratching the workers, reducing the influence on the physical and mental safety of the workers.

[0031] The top surface of the mounting plate 9 is symmetrically connected with two vertical rods 14, the free ends of the two vertical rods 14 penetrate the protective cover 12 and the moving block 7, the free ends of the two vertical rods 14 are above the moving block 7, when the protective cover 12 is against the valve flange and the mounting plate 9 is continuously moved, the mounting plate 9 drives the two vertical rods 14 to move in the inner cavity of the protective cover 12 and the moving block 7, so as to limit the movement track and position of the protective cover 12, and also limit the position of the mounting plate 9, avoiding deviation.

[0032] The top surface of the moving frame 6 is provided with a sliding groove 16 for the movement of the moving block 7, and a second cylinder 18 is installed on one side of the moving frame 6, and the piston rod of the second cylinder 18 is connected and fixed with one side of the moving block 7 through the opening of the second cylinder 18, so that the moving block 7 can be moved in the inner cavity of the sliding groove 16, thereby adjusting the drilling position of the drill rod 11.

[0033] The inner side wall of the sliding groove 16 is symmetrically welded with a limiting block 17, and the moving block 7 is slidably sleeved on the circumferential side of the limiting block 17, and the moving block 7 moves on the circumferential side of the limiting block 17 when moving, thereby supporting the movement of the moving block 7 and improving the stability.

[0034] The two side surfaces of the drilling table 1 are each provided with a sliding block 19, and the moving frame 6 is slidably connected with the two sliding blocks 19, and a hydraulic cylinder 20 is installed on one side of each of the two sliding blocks 19, and the piston rod of each of the two hydraulic cylinders 20 is connected and fixed with the moving frame 6, and by opening the two hydraulic cylinders 20, the moving frame 6 can be moved in the inner cavity of the two sliding blocks 19, which can also adjust the drilling position of the drill rod 11, and cooperate with the hydraulic cylinder 20 to adjust the position of the drill rod 11, so that the drill rod 11 can drill the valve flange at different positions.

[0035] Working principle:

[0036] The drilling device for valve flange machining, according to the size of the valve flange to be drilled, opens the first cylinder 15, which can move one of the bottom blocks 2 to change the distance between the two bottom blocks 2, and after adjusting to the appropriate distance, the valve flange is placed on the top surface of the two bottom blocks 2, and then the bottom block 2 is moved to make the circumferential side of the valve flange abut against the two baffles 3, and the valve flange is clamped, and then the threaded rod 4 is rotated to drive the pressing plate 5 to move downward, so that the pressing plate 5 can exert downward pressure on the valve flange, and the valve flange can be pressed tightly, and the self-locking of the screw and the baffles 3 can double-fix the valve flange, improve the fixing effect, and improve the drilling quality. After fixing, the electric push rod 8 is opened to drive the mounting plate 9 and the protective cover 12 to move downward, so that the protective cover 12 abuts against the valve flange, and then the mounting plate 9 is continuously driven to move downward, so that the drill rod 11 can abut against the valve flange, and then the drilling motor 10 is opened to drive the drill rod 11 to rotate and drill the valve flange. The debris generated during drilling is limited by the protective cover 12, and is always inside the protective cover 12, avoiding splashing and scratching the workers, and reducing the impact on the physical and mental safety of the workers.

[0037] It has to be noted that, in the present document, the terms "comprising", "including", and "having" should be interpreted as specifying the presence of the stated features but not precluding the presence of one or more other features. It should also be noted that, in the present document, the term "or" should be interpreted as the logical or, i.e. requiring at least one of the presented options to be true.

[0038] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.

Claims

1. A drilling device for valve flange machining, comprising a drilling table (1), characterized in that: The top surface of the drilling table (1) is symmetrically provided with two bottom blocks (2) for supporting the valve flange, the top surface of each of the two bottom blocks (2) is welded with a baffle (3) for clamping the valve flange, the top surface of each of the two bottom blocks (2) is rotatably connected with a threaded rod (4) through a pin shaft, the peripheral side of each of the two threaded rods (4) is threadedly sleeved with a pressing plate (5) for pressing the valve flange, the upper side of the drilling table (1) is provided with a moving frame (6), the inner cavity of the moving frame (6) is provided with a moving block (7), the top surface of the moving block (7) is mounted with an electric push rod (8), the output end of the electric push rod (8) is connected with a mounting plate (9) penetrating through the moving frame (6), the bottom surface of the mounting plate (9) is mounted with a drilling motor (10), the output end of the drilling motor (10) is connected with a drill rod (11) for drilling the valve flange, and the peripheral side of the mounting plate (9) is wrapped with a protective cover (12) for limiting debris.

2. A drilling apparatus for valve flange machining according to claim 1, characterized in that: The top surface of each of the two bottom blocks (2) is symmetrically welded with two limiting rods (13), and the peripheral side of each of the two limiting rods (13) is slidably sleeved with a pressing plate (5).

3. The drilling apparatus for machining valve flanges according to claim 1, characterized in that: The top surface of the mounting plate (9) is symmetrically connected with two vertical rods (14), and the free ends of the two vertical rods (14) penetrate through the protective cover (12) and the moving block (7).

4. The drilling apparatus for machining valve flanges according to claim 1, characterized in that: The top surface of the drilling table (1) is mounted with a first air cylinder (15) through a support, and the piston rod of the first air cylinder (15) is fixedly connected with one side surface of one of the bottom blocks (2).

5. The drilling apparatus for machining valve flanges according to claim 1, characterized in that: The top surface of the moving frame (6) is provided with a sliding groove (16) for the movement of the moving block (7), and the inner side wall of the sliding groove (16) is symmetrically welded with a limiting block (17).

6. A drilling apparatus for valve flange machining according to claim 5, characterized in that: The moving block (7) is slidably sleeved on the peripheral side of the limiting block (17), and the two side surfaces of the drilling table (1) are mounted with sliding blocks (19), and the moving frame (6) is slidably connected with the two sliding blocks (19).

7. A drilling apparatus for valve flange machining according to claim 6, characterized in that: One side surface of each of the two sliding blocks (19) is mounted with a hydraulic cylinder (20), and the piston rod of each of the two hydraulic cylinders (20) penetrates through the sliding block (19) and is fixedly connected with the moving frame (6).

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