Steel pipe hole milling device with adjustable hole diameter

Abstract

The utility model discloses an aperture-adjustable steel pipe hole milling device which comprises a base and a servo motor, and one side of the base is fixedly connected with the servo motor through a support plate. By starting the servo motor, the servo motor drives the center shaft to rotate, the center shaft drives the driving gear to rotate, and even if the driving gear is meshed with the teeth on the supporting frame and the teeth on the movable frame respectively, the supporting frame and the movable frame get close to each other. The supporting frame and the moving frame can conveniently drive the fixing base to move close to each other, a steel pipe can be conveniently clamped and fixed, the steel pipe is placed in the groove, the adjusting screw rod is rotated, the adjusting screw rod drives the fixing plate to move up and down, the steel pipe can be conveniently clamped by the fixing plate, and the situation that the steel pipe deviates in the hole milling process is avoided; the accuracy of the hole milling device is influenced, and then the working efficiency of the hole milling device is influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hole milling device technical field, especially in a hole diameter adjustable steel pipe hole milling device. BACKGROUND

[0002] Steel pipe is a kind of hollow and length is much greater than the outer diameter (or side length) metal material made of steel, with closed hollow section, suitable for conveying liquid, gas and solid, under the same weight, larger section modulus than solid part, widely used in petroleum chemical industry, building, electric power, transportation, agriculture, environmental protection, aerospace, shipbuilding and other fields, as conveying pipeline, structural component, conducting material, but steel pipe has certain difficulty in hole milling, hole milling device is a kind of mechanical equipment, mainly used for milling hole operation on workpiece, hole milling device usually includes cutter device and driving device, the design of this device aims at improving work efficiency;

[0003] Chinese patent authorized announcement No.CN208644178U discloses a spiral hole milling device;The technical solution of the utility model is: a spiral hole milling device includes: rotation axis, eccentric adjustment shaft, revolution axis, revolution pulley, adjustment pulley, control system and the like, further includes adjustment shaft detection grating ruler and revolution axis detection grating ruler, and the synchronousity of eccentric adjustment shaft rotation angle and eccentric shaft and revolution axis is detected in full closed loop;The revolution axis, eccentric adjustment shaft and rotation axis of the device are provided with raceways, and rolling elements are clamped in the raceways, so that the standard bearing is replaced by the raceways and rolling elements themselves;The problems of low adjustment precision of eccentric shaft rotation angle adjustment, poor rotation consistency of eccentric adjustment shaft and revolution axis, large volume and mass of the whole device, excessive load of joint arm robot and machine tool end, and error accumulation caused by multi-layer standard bearing nesting are solved.

[0004] The prior art scheme has the following disadvantages: in the use of the above technical scheme, the cutter is arranged to make holes, but the workpiece cannot be clamped and fixed during hole making, which can easily cause the position deviation of the workpiece during hole making, resulting in the error of hole making, reducing the accuracy of hole making and affecting the working efficiency of the hole milling device, so the corresponding improvement is required. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a hole diameter adjustable steel pipe hole milling device to solve the problem of inconvenient clamping and fixing of workpiece of the existing steel pipe hole milling device in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a hole diameter adjustable steel pipe hole milling device, including base, servo motor, the one side of base is fixedly connected with servo motor through support plate;

[0007] The output shaft end of the servo motor is fixedly connected with a central shaft, the outer part of the central shaft is sleeved with a driving gear, one side of the driving gear is engaged with a supporting frame, the other side of the driving gear is engaged with a moving frame, the one side of the supporting frame and the moving frame is fixedly provided with a fixed seat, the inner part of the fixed seat is penetrated with an adjusting screw, the bottom of the adjusting screw is fixedly connected with a fixed plate, the top end of the base is fixedly provided with a lifting column, the inner part of the lifting column is provided with a rotary motor, the output shaft end of the rotary motor is fixedly provided with a one-way screw, the outer part of the one-way screw is sleeved with a guide block, one side of the guide block is fixedly provided with a horizontal plate, one side of the horizontal plate is fixedly provided with a driving motor through a supporting plate, the output shaft end of the driving motor is fixedly provided with a screw rod, the outer part of the screw rod is sleeved with a sleeve block, one side of the sleeve block is fixedly connected with a hole milling motor, the output shaft end of the hole milling motor is connected with a rotating rod, the bottom of the rotating rod is fixedly provided with a connecting column, and the bottom of the connecting column is movably connected with a drill bit.

[0008] Preferably, the supporting frame and the moving frame are uniformly provided with teeth, and the teeth and the driving gear are in meshing motion.

[0009] Preferably, the fixed seat is uniformly provided with a groove, and the cross section of the groove is a reverse triangle.

[0010] Preferably, the connecting column is provided with a limiting groove, and the inner part of the limiting groove is provided with an internal thread.

[0011] Preferably, the top of the drill bit is fixedly provided with a clamping column, the outer part of the clamping column is provided with an external thread, and the internal thread of the connecting column and the external thread of the clamping column are in threaded connection.

[0012] Preferably, the two sides of the connecting column and the clamping column are provided with through holes, the inner part of the through holes is penetrated with a fixing column, and the two ends of the fixing column are threadedly connected with fastening blocks.

[0013] Preferably, the two sides of the base are provided with moving grooves, and the groove width of the moving grooves is matched with the width of the supporting frame and the moving frame.

[0014] Compared with the prior art, the beneficial effects of the steel pipe hole milling device with adjustable hole diameter are that the steel pipe is clamped and fixed, the steel pipe is prevented from shaking during hole making, the accuracy of the hole milling device is affected, the cutter of the hole milling device is convenient to replace, and the effect of adjusting the hole diameter is achieved.

[0015] By starting the servo motor, the servo motor drives the central shaft to rotate, and the central shaft drives the driving gear to rotate, that is, the driving gear meshes with the teeth on the support frame and the moving frame, and then the support frame and the moving frame move towards each other, so that the support frame and the moving frame drive the fixed seat to move towards each other, so as to clamp and fix the steel pipe, place the steel pipe on the groove, rotate the adjusting screw, and drive the fixed plate to move up and down, so as to clamp the steel pipe, avoid the position deviation of the steel pipe in the hole milling, affect the accuracy of the hole milling device, and then affect the working efficiency of the hole milling device;

[0016] By rotating the clamping column to the groove on the connecting column, the connecting column and the drill are fixed, and then the fixing column penetrates the through holes on the connecting column and the clamping column, and the fastening block is rotated, so that the fastening block and the fixing column are threadedly connected, the stability between the connecting column and the drill is enhanced, and vice versa, so that the drill and the clamping column can be taken off from the connecting column, different sizes of the drill can be replaced, the hole diameter of the hole milling device can be adjusted, and the applicability of the hole milling device is improved.

[0017] By starting the rotary motor, the rotary motor drives the one-way screw to rotate, that is, the one-way screw drives the guide block to move up and down, so that the drill moves up and down, the driving motor is started, the driving motor drives the screw rod to rotate, that is, the driving motor drives the sleeve block and the hole milling motor to move horizontally, so that the drill moves horizontally, the drill can drill holes in the steel pipe, the accuracy of hole drilling is improved, and then the hole milling device can be adjusted, and the accuracy of hole drilling of the hole milling device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0019] Figure 1 It is a front view of the structure of the present application.

[0020] Figure 2 It is a side view of the structure of the present application.

[0021] Figure 3 It is a top view of the structure of the present application.

[0022] Figure 4 It is a perspective view of the fixed seat of the present application.

[0023] Figure 5The utility model discloses a connecting column, drill and the structure diagram of fixed column.

[0024] The figure mark explanation: 1, base, 2, servo motor, 3, center shaft, 4, driving gear, 5, support frame, 6, moving frame, 7, fixed seat, 701, recess, 8, adjusting screw, 9, fixed plate, 10, lifting column, 11, rotary motor, 12, one-way screw, 13, guide block, 14, cross plate, 15, drive motor, 16, screw rod, 17, hole milling motor, 18, connecting column, 19, drill, 1901, clamping column, 20, fixed column, 21, fastening block. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment, and obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] Please refer to Figures 1-5 The utility model provides the following technical scheme:

[0027] Embodiment one

[0028] In order to solve the problem that the steel pipe hole milling device is inconvenient to clamp and fix workpiece in prior art, therefore, the following scheme is disclosed, and specific reference can be made to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 A hole diameter adjustable steel pipe hole milling device, including base 1, servo motor 2, one side of base 1 is fixedly connected with servo motor 2 through support plate, the output shaft end of servo motor 2 is fixedly connected with center shaft 3, and the outside of center shaft 3 is sleeved with driving gear 4, one side of driving gear 4 is engaged with support frame 5, the other side of driving gear 4 is engaged with moving frame 6, and one side of moving frame 6 and support frame 5 is fixed with fixed seat 7, and adjusting screw 8 is penetrated in the inside of fixed seat 7, and the bottom of adjusting screw 8 is fixedly connected with fixed plate 9, and the teeth are uniformly arranged on support frame 5 and moving frame 6, and the teeth and driving gear 4 make meshing motion between, recess 701 is uniformly arranged on fixed seat 7, and the cross section of recess 701 is inverted triangle, and the width of moving groove is matched with the width of support frame 5 and moving frame 6.

[0029] In this embodiment, when in use, the steel pipe is lapped on the groove 701, the servo motor 2 is started, the servo motor 2 drives the center shaft 3 to rotate, the center shaft 3 drives the driving gear 4 to rotate, that is, the driving gear 4 is in meshing motion with the teeth on the support frame 5 and the moving frame 6, then the support frame 5 and the moving frame 6 are in mutual approaching motion, the support frame 5 and the moving frame 6 drive the fixed seat 7 to move close to each other, so as to adjust according to the width of the steel pipe, so as to realize the transverse clamping of the steel pipe, then the adjusting screw 8 is rotated, the adjusting screw 8 drives the fixed plate 9 to move up and down, the fixed plate 9 limits the steel pipe in the longitudinal direction, improves the stability of the steel pipe, avoids the position of the steel pipe in the hole milling device from shaking, affects the accuracy of the hole milling device, and facilitates the hole milling device to stably make holes, and improves the efficiency of the steel pipe hole milling device.

[0030] Embodiment two

[0031] The embodiment is different from embodiment one, the setting of the one-way screw 12 and the screw rod 16 can realize the adjustment of the steel pipe hole milling device, improve the accuracy and efficiency of the steel pipe hole milling device, therefore, the following technical scheme is disclosed, please refer to Figure 2 、 Figure 3 、 Figure 5 The top end of the base 1 is fixed with the lifting column 10, the inside of the lifting column 10 is provided with the rotating motor 11, the output shaft end of the rotating motor 11 is fixed with the one-way screw 12, the outside of the one-way screw 12 is sleeved with the guide block 13, one side of the guide block 13 is fixed with the horizontal plate 14, one side of the horizontal plate 14 is fixed with the driving motor 15 through the support plate, the output shaft end of the driving motor 15 is fixed with the screw rod 16, the outside of the screw rod 16 is sleeved with the sleeve block, one side of the sleeve block is fixedly connected with the hole milling motor 17, the output shaft end of the hole milling motor 17 is connected with the rotating rod, the bottom of the rotating rod is fixed with the connecting column 18, the bottom of the connecting column 18 is movably connected with the drill bit 19, the upper part of the connecting column 18 is provided with the limiting groove, the inside of the limiting groove is provided with the internal thread, the top of the drill bit 19 is fixed with the clamping column 1901, the outside of the clamping column 1901 is provided with the external thread, the internal thread on the connecting column 18 and the external thread on the clamping column 1901 are in threaded connection, the two sides of the connecting column 18 and the clamping column 1901 are both provided with the through hole, the inside of the through hole is penetrated by the fixed column 20, the two ends of the fixed column 20 are both in threaded connection with the fastening block 21.

[0032] In the embodiment, when in use, the hole milling motor 17 is started to drive the rotating rod, the connecting column 18 and the drill bit 19 to rotate, so as to perform hole drilling on the steel pipe workpiece; the rotating motor 11 is started to drive the one-way screw rod 12 to rotate, that is, the one-way screw rod 12 drives the guide block 13 to move up and down, so as to facilitate the drill bit 19 to move up and down; the driving motor 15 is started to drive the screw rod 16 to rotate, that is, the driving motor 15 drives the sleeve block and the hole milling motor 17 to move horizontally, so as to facilitate the drill bit 19 to move horizontally, facilitate the drill bit 19 to perform hole drilling on the steel pipe, improve the accuracy of hole drilling, and then facilitate the adjustment of the hole milling device, improve the accuracy of hole drilling of the hole milling device; the clamping column 1901 is screwed to the groove on the connecting column 18, so as to fix the connecting column 18 and the drill bit 19, then the fixing column 20 is penetrated through the through hole on the connecting column 18 and the clamping column 1901, the fastening block 21 is screwed, so as to threadedly connect the fastening block 21 and the fixing column 20, and the stability between the connecting column 18 and the drill bit 19 is strengthened; on the contrary, the drill bit 19 and the clamping column 1901 can be taken off from the connecting column 18, different sizes of the drill bit 19 can be replaced, and the hole diameter of the hole milling device can be adjusted.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An adjustable aperture steel pipe milling device, comprising a base (1), a servo motor (2), one side of the base (1) is fixedly connected with a servo motor (2) through a support plate; characterized in that The output shaft end of the servo motor (2) is fixedly connected with a center shaft (3), and the outer part of the center shaft (3) is sleeved with a driving gear (4), one side of the driving gear (4) is engaged with a support frame (5), the other side of the driving gear (4) is engaged with a moving frame (6), one side of the moving frame (6) and the support frame (5) is fixedly provided with a fixed seat (7), and the inside of the fixed seat (7) is penetrated by an adjusting screw (8), the bottom of the adjusting screw (8) is fixedly connected with a fixed plate (9), the top end of the base (1) is fixedly connected with a lifting column (10), and the inside of the lifting column (10) is provided with a rotating motor (11), the output shaft end of the rotating motor (11) is fixedly connected with a one-way screw (12), and the outside of the one-way screw (12) is sleeved with a guide block (13), one side of the guide block (13) is fixedly connected with a horizontal plate (14), and one side of the horizontal plate (14) is fixedly connected with a driving motor (15) through a support plate, the output shaft end of the driving motor (15) is fixedly connected with a screw rod (16), and the outside of the screw rod (16) is sleeved with a sleeve block, one side of the sleeve block is fixedly connected with a milling motor (17), and the output shaft end of the milling motor (17) is connected with a rotating rod, the bottom of the rotating rod is fixedly connected with a connecting column (18), and the bottom of the connecting column (18) is movably connected with a drill bit (19).

2. The adjustable aperture steel pipe milling device according to claim 1, characterized in that: The support frame (5) and the moving frame (6) are uniformly provided with teeth, and the teeth and the driving gear (4) are in meshing motion.

3. The adjustable aperture steel pipe milling device of claim 1, wherein: The fixed seat (7) is uniformly provided with a groove (701), and the cross section of the groove (701) is a reverse triangle.

4. The adjustable aperture steel pipe milling device of claim 1, wherein: The connecting column (18) is provided with a limiting groove, and the inside of the limiting groove is provided with an internal thread.

5. The adjustable aperture steel pipe milling device of claim 1, wherein: The top of the drill bit (19) is fixedly connected with a clamping column (1901), and the outside of the clamping column (1901) is provided with an external thread, and the internal thread of the connecting column (18) and the external thread of the clamping column (1901) are screw connected.

6. An adjustable aperture steel pipe milling device according to claim 5, characterized in that: The connecting column (18) and the clamping column (1901) are provided with through holes on both sides, and the inside of the through hole is penetrated by a fixed column (20), and both ends of the fixed column (20) are screw connected with a fastening block (21).

7. The adjustable aperture steel pipe milling device of claim 1, wherein: The base (1) is provided with a moving groove on both sides, and the groove width of the moving groove matches the width of the support frame (5) and the moving frame (6).

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