Boring and milling machine tool for machining inner wall of metal pipe

Abstract

The utility model relates to the technical field of boring and milling machine tools, in particular to a boring and milling machine tool for machining the inner wall of a metal pipe, which comprises a boring and milling machine tool body, a plurality of grooves are arranged on the boring and milling machine tool body, two rotating plates are arranged in the grooves, and two sides of each rotating plate are respectively provided with a fixed pressing block and a plurality of balls. A plurality of first friction increasing patterns are arranged on the fixed pressing block, rotating columns are arranged on the rotating plates, two limiting plates are arranged between the two rotating plates, a bottom clamping assembly is arranged between the two limiting plates, a hydraulic rod is arranged on one side of the bottom clamping assembly, and torsion springs are arranged on the rotating columns. By means of the boring and milling device, metal pipes with different diameters can be clamped and fixed, the application range is expanded, the center heights of the metal pipes with different diameters are always located at the same position after clamping and fixing are completed, the position of a boring and milling part does not need to be adjusted, and machining of the metal pipes is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to boring and milling machine tool technical field, specifically, a boring and milling machine tool for metal pipe inner wall processing. BACKGROUND

[0002] Boring and milling machine is a kind of metal processing machine tool that combines boring machine and milling machine function, mainly used for processing inner surface and complex shape hole. It can complete drilling, boring, reaming, reaming, milling plane, cutting groove, thread turning and other processing operations, boring and milling machine is divided into vertical and horizontal two kinds, among them, horizontal boring and milling machine is more widely used, with high precision, high efficiency and high automation characteristics, is suitable for the processing of large box, cylinder and other workpieces, is widely used in metal pipe inner wall processing process.

[0003] Such as Chinese patent publication: an automatic slide boring and milling machine, application number: CN201420235681.5, machine tool adopts computer closed loop control technology, can effectively control cutting parameter, reaches the required precision;Guide rail adopts double guide rail structure, has the advantages of good rigidity, high guiding precision;Special slide feed mechanism adopts double nut structure, work speed is controlled by servo motor, positioning is more accurate, reliable and stable;Special slide is equipped with hydraulic positioning self-locking mechanism, positioning is convenient, reliable, safe, the boring and milling machine is high in automation degree, high in machining precision, stable in mechanical performance, safe and convenient to operate, low in failure rate, can meet the demand of mass production, improves production efficiency.

[0004] But the technical scheme in the above, in the field of metal pipe inner wall processing, boring and milling machine is one of core processing equipment, its performance directly influences the processing precision and efficiency of pipe inner wall, however, traditional boring and milling machine has significant limitations in practical application: on the one hand, its clamping mechanism is usually designed for specific diameter pipe, and the clamping is realized by fixed size chuck or clamp, so that different pipe diameter workpieces need to replace special clamp, not only the operation is cumbersome, time-consuming, but also increases the equipment cost. On the other hand, since the clamping positioning reference shifts with the change of pipe diameter, the workpiece center height cannot be kept consistent, forcing the operator to frequently adjust the feed height of boring and milling tool (boring and milling machining part) or the position of machine tool spindle, which not only reduces the processing efficiency, but also easily introduces error due to repeated positioning. UTILITY MODEL CONTENTS

[0005] The utility model discloses a main purpose lies in providing a kind of boring and milling machine for metal tubular product inner wall processing, can effectively solve background art in the field of metal tubular product inner wall processing, boring and milling machine is one of core processing equipment, its performance directly influences the machining accuracy and efficiency of tubular product inner wall, however, traditional boring and milling machine has significant limitations in practical application: on the one hand, its clamping mechanism is usually designed for specific diameter pipe, and the workpiece of different pipe diameter needs to replace special fixture, not only cumbersome, time-consuming, but also increase equipment cost. On the other hand, since the clamping positioning reference shifts with pipe diameter, the workpiece center height cannot be kept consistent, forcing the operator to frequently adjust the feed height of boring and milling cutter (boring and milling processing component) or machine tool spindle position, which not only reduces the processing efficiency, but also easily introduces error due to repeated positioning.

[0006] To achieve the above object, the utility model takes the technical scheme for: a kind of boring and milling machine for metal tubular product inner wall processing, including boring and milling machine body, the boring and milling machine body is provided with several grooves, two rotating plates are provided in the groove, the two sides of the rotating plate are respectively provided with fixed pressing block and several ball bearings, the fixed pressing block is provided with several first friction-increasing patterns, the rotating column is provided on the rotating plate, two the limiting plates are provided between the two rotating plates, the bottom clamp assembly is provided between the two limiting plates, the hydraulic rod is provided on one side of the bottom clamp assembly, the torsional spring is provided on the rotating column.

[0007] Preferably, the rotating plate is rotatably connected to the boring and milling machine body by the rotating column, and the limiting plate and the hydraulic rod are fixedly installed in the groove.

[0008] Preferably, the bottom clamp assembly includes an assembly base, the assembly base is provided with a slope on both sides, the assembly base is provided with a plurality of guide sliding grooves, and a guide sliding block is slidably arranged in the guide sliding groove.

[0009] Preferably, the assembly base is provided with a bottom block on the side away from the hydraulic rod, the bottom block is provided with a V-shaped clamping groove, and the inner wall surface of the V-shaped clamping groove is provided with a plurality of second friction-increasing patterns.

[0010] Preferably, the assembly base is T-shaped, and the guide sliding block is fixedly installed in the groove.

[0011] Preferably, the hydraulic rod is fixedly connected to the assembly base on one side.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) The utility model discloses when using, first place the metal pipe in the V -shaped card slot, then through the hydraulic rod and make the assembly base move to the recess outside, and the assembly base drives the bottom block to move, and the bottom block drives the metal pipe to move, and the position of the center height of the metal pipe is changed, at this time, the assembly base extrudes the ball through the inclined plane, and the side of the rotating plate close to the ball moves to the both sides of the assembly base, and the rotating plate rotates around the rotating column, and the torsion spring deforms, and the fixed pressing block on the rotating plate gradually close to the metal pipe, and the two different fixed pressing blocks are used to extrude the both sides of the metal pipe, and then cooperate with the bottom clamp assembly, thereby the three -surface clamping of the metal pipe is fixed, the metal pipe of different diameters can be clamped and fixed, the application range is expanded, and the center height of the metal pipe of different diameters is always in the same position after clamping and fixing, so that the position of the boring and milling processing part does not need to be adjusted, and the metal pipe is convenient to process. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of the boring and milling machine tool for metal pipe inner wall processing of the utility model;

[0015] Figure 2 It is an internal structure schematic view of the boring and milling machine tool for metal pipe inner wall processing of the utility model;

[0016] Figure 3 It is a structure schematic view of the bottom clamp assembly in the boring and milling machine tool for metal pipe inner wall processing of the utility model.

[0017] In the drawing: 1, boring and milling machine tool body; 2, recess; 3, rotating plate; 4, fixed pressing block; 5, ball; 6, first friction increasing pattern; 7, rotating column; 8, limit plate; 9, bottom clamp assembly; 901, assembly base; 902, inclined plane; 903, guide sliding slot; 904, guide sliding block; 905, bottom block; 906, V-shaped card slot; 907, second friction increasing pattern; 10, hydraulic rod; 11, torsion spring. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0019] For example, Figure 1 And Figure 2As shown in one embodiment of the present application, a boring and milling machine for processing the inner wall of metal pipes comprises a boring and milling machine body 1, a plurality of grooves 2 are arranged on the boring and milling machine body 1, two rotating plates 3 are arranged in the grooves 2, a fixed pressing block 4 and a plurality of balls 5 are arranged on the two sides of the rotating plates 3, a plurality of first friction-increasing patterns 6 are arranged on the fixed pressing block 4, a rotating column 7 is arranged on the rotating plate 3, two limiting plates 8 are arranged between the two rotating plates 3, a bottom clamping assembly 9 is arranged between the two limiting plates 8, a hydraulic rod 10 is arranged on one side of the bottom clamping assembly 9, and a torsional spring 11 is arranged on the rotating column 7.

[0020] As Figure 3 shown, in another embodiment of the present application, the bottom clamping assembly 9 comprises an assembly base 901, an inclined surface 902 is arranged on both sides of the assembly base 901, a plurality of guide sliding grooves 903 are arranged on the assembly base 901, and a guide sliding block 904 is slidably arranged in the guide sliding groove 903.

[0021] A bottom block 905 is fixedly arranged on the side of the assembly base 901 away from the hydraulic rod 10, a V-shaped clamping groove 906 is arranged on the bottom block 905, and a plurality of second friction-increasing patterns 907 are arranged on the inner wall surface of the V-shaped clamping groove 906.

[0022] When the bottom clamping assembly 9 is needed to clamp the bottom surface of the metal pipe, first, the metal pipe is placed in the V-shaped clamping groove 906, the V-shaped clamping groove 906 supports the bottom surface of the metal pipe, then the assembly base 901 is moved outward from the groove 2 by the hydraulic rod 10, at this time, the assembly base 901 extrudes the balls 5 through the inclined surface 902, the side of the rotating plate 3 close to the balls 5 moves to the two sides of the assembly base 901, the rotating plate 3 rotates around the rotating column 7, the torsional spring 11 deforms, the fixed pressing block 4 on the rotating plate 3 gradually approaches the metal pipe, and the two different fixed pressing blocks 4 extrude the two sides of the metal pipe, and then the bottom clamping assembly 9 is used to clamp and fix the metal pipe.

[0023] The working principle of the boring and milling machine for processing the inner wall of metal pipes is as follows:

[0024] In use, first, the metal pipe is placed in the V-shaped clamping groove 906, then the assembly base 901 is moved out of the groove 2 by the hydraulic rod 10, the direction of the assembly base 901 is guided by the guide sliding groove 903 and the guide sliding block 904, the assembly base 901 drives the bottom block 905 to move, the bottom block 905 drives the metal pipe to move, the center height of the metal pipe is changed, at this time, the assembly base 901 extrudes the ball 5 through the inclined surface 902, the side of the rotating plate 3 close to the ball 5 moves to the both sides of the assembly base 901, the rotating plate 3 rotates around the rotating column 7, the torsion spring 11 is deformed, the fixed pressing block 4 on the rotating plate 3 gradually approaches the metal pipe, the two different fixed pressing blocks 4 extrude the both sides of the metal pipe, and the bottom clamping assembly 9 is matched, so that the three sides of the metal pipe are clamped and fixed, metal pipes with different diameters can be clamped and fixed, the application range is expanded, and the center height of the metal pipes with different diameters is always in the same position after clamping and fixing, so that the position of the boring and milling processing part does not need to be adjusted, and the metal pipe is convenient to process.

[0025] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description, and all the embodiments cannot be exhausted here. Any obvious changes or variations derived from the technical solutions of the present application still fall within the protection scope of the present application.

Claims

1. A boring and milling machine for processing the inner wall of a metal pipe, comprising a boring and milling machine body (1), characterized in that: The boring and milling machine body (1) is provided with a plurality of grooves (2), the grooves (2) are provided with two rotating plates (3), the rotating plates (3) are provided with fixed pressing blocks (4) and a plurality of balls (5) on both sides, the fixed pressing blocks (4) are provided with a plurality of first friction increasing patterns (6), the rotating plates (3) are provided with rotating columns (7), two limiting plates (8) are arranged between the two rotating plates (3), a bottom clamping assembly (9) is arranged between the two limiting plates (8), the bottom clamping assembly (9) is provided with a hydraulic rod (10) on one side, and the rotating columns (7) are provided with torsion springs (11).

2. The boring and milling machine for processing the inner wall of a metal pipe according to claim 1, characterized in that: The rotating plate (3) is rotatably connected with the boring and milling machine body (1) through the rotating column (7), and the limiting plate (8) and the hydraulic rod (10) are fixedly installed in the groove (2).

3. The boring and milling machine for processing the inner wall of a metal pipe according to claim 2, characterized in that: The bottom clamping assembly (9) comprises an assembly base (901), the assembly base (901) is provided with inclined surfaces (902) on both sides, a plurality of guide sliding grooves (903) are arranged on the assembly base (901), and guide sliding blocks (904) are slidably arranged in the guide sliding grooves (903).

4. The boring and milling machine for processing the inner wall of a metal pipe according to claim 3, characterized in that: The assembly base (901) is provided with a bottom block (905) fixedly arranged on the side away from the hydraulic rod (10), the bottom block (905) is provided with a V-shaped clamping groove (906), and a plurality of second friction increasing patterns (907) are arranged on the inner wall surface of the V-shaped clamping groove (906).

5. The boring and milling machine for processing the inner wall of a metal pipe according to claim 4, characterized in that: The assembly base (901) is T-shaped, and the guide sliding blocks (904) are fixedly installed in the grooves (2).

6. The boring and milling machine for processing the inner wall of a metal pipe according to claim 5, characterized in that: One side of the hydraulic rod (10) is fixedly connected with the assembly base (901).

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