CN220347252U - Rotary positioning mechanism for boring machine tool - Google Patents

Abstract

The utility model discloses a rotary positioning mechanism for a boring machine tool, which comprises a base, wherein a first bracket and a second bracket are arranged on the upper side of the base, the first bracket is arranged on the rear side of the second bracket, a connecting plate is arranged on the plate wall of the first bracket, a driving cylinder is arranged on the connecting plate, a joint connector is arranged at the end of the driving cylinder, a rotating arm is arranged on the joint connector, a ratchet wheel is arranged on the inner side of the rotating arm, and a fixing rod is arranged on the inner side of the ratchet wheel.

Description

Rotary positioning mechanism for boring machine tool

Technical Field

The utility model relates to the technical field of positioning mechanisms, in particular to a rotary positioning mechanism for a boring machine tool.

Background

The boring machine is a machine tool for boring the existing prefabricated holes of the workpiece by using a boring cutter. Typically, boring tool rotation is the primary motion and movement of the boring tool or workpiece is the feed motion. The method is mainly used for machining high-precision holes or finishing the finish machining of a plurality of holes by one-time positioning, and can be used for machining other machining surfaces related to hole finish machining. The drilling, milling and cutting can be performed by using different cutters and accessories, and the machining precision and the surface quality of the drilling and milling machine are higher than those of a drilling machine. Boring machines are the main equipment for processing large-scale box parts.

In the existing boring machine processing, a workpiece needs to be processed by repositioning through a rotary workbench, and for the workpiece processed by multiple surfaces, the workpiece needs to be positioned multiple times through multiple times of rotary workbench, so that the rotation adjustment process is troublesome, and the workpiece is difficult to fix quickly, so that the processing efficiency of the part is affected.

Disclosure of Invention

The utility model aims to provide a rotary positioning mechanism for a boring machine tool, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rotary positioning mechanism for boring machine frock, includes the base, the upside of base is equipped with first support and second support, first support is located the rear side of second support, be equipped with the connecting plate on the siding of first support, be equipped with the drive cylinder on the connecting plate, the end department of drive cylinder is equipped with joint, be equipped with the rocking arm on the joint, the inboard of rocking arm is equipped with the ratchet, the inboard of ratchet is equipped with the dead lever, the lower extreme of dead lever is located on the lower lateral wall of second support, the upside of ratchet is equipped with solid fixed ring, gu the upper end of fixed ring is equipped with the steering seat, the upper end of steering seat is passed gu the upper lateral wall of second support and is equipped with the workstation.

Preferably, the height of the second bracket is greater than that of the first bracket, and the adjacent end surfaces of the first bracket and the second bracket are fixed by bolts.

Preferably, the rotary arm is provided with a strut for the tension spring and a cantilever pin, the cantilever pin is provided with a flat key and a torsion spring, and the end head of the flat key is hinged on the outer edge of the fixed ring.

Preferably, the two ends of the torsion spring are respectively arranged on the side wall of the flat key and the outer edge of the support column for the tension spring.

Preferably, a thin air cylinder is arranged on the left end face of the second bracket, and a positioning pin is arranged on the push rod of the thin air cylinder and penetrates through the plate wall of the second bracket.

Preferably, the longitudinal central axes of the steering seat and the fixing rod are both positioned in the same vertical line.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the driving cylinder is started, the rotating arm is pushed through the joint connected with the driving cylinder, the workbench is indirectly driven to rotate by the rotating arm, meanwhile, the thin cylinder is started, the fixing ring is fixed through the locating pin, the stability of the workbench is improved, the operation process is simple and convenient, any component is not required to be disassembled, and the popularization of the utility model is facilitated.

Drawings

FIG. 1 is a schematic front view of the present utility model;

FIG. 2 is a schematic top view of the utility model when the table is removed;

fig. 3 is an enlarged schematic view at a in fig. 1.

In the figure: 1-base, 2-first support, 3-second support, 4-connecting plate, 5-drive cylinder, 6-articulation joint, 7-rocking arm, 8-ratchet, 9-dead lever, 10-solid ring, 11-steering seat, 12-workstation, 13-bolt, 14-pillar for extension spring, 15-cantilever pin, 16-flat key, 17-torsional spring, 18-slim cylinder, 19-locating pin.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the rotary positioning mechanism for boring machine tools comprises a base 1, wherein a first bracket 2 and a second bracket 3 are arranged on the upper side of the base 1, the first bracket 2 is arranged on the rear side of the second bracket 3, meanwhile, the adjacent parts of the first bracket 2 and the second bracket 3 are attached, a connecting plate 4 is arranged on the plate wall of the first bracket 2, driving air cylinders 5 are arranged on the connecting plate 4, the number of the connecting plates 4 is 2, the driving air cylinders 5 are hinged between the adjacent end surfaces of the two connecting plates 4, the driving air cylinders 5 adopt three-position five-way air cylinders, the position control of the driving air cylinders 5 can be conveniently realized by using a TPC4-4TD type timing program controller and a magnetic switch, the automatic control device is respectively responsible for the progress and return stroke of the air cylinder, when the driving air cylinder 5 runs to the position of the induction switch, the TPC4-4TD controller can control the driving air cylinder 5 to stop and keep at the current position when detecting the state of the induction switch, the end of the driving air cylinder 5 is provided with a joint connector 6, the joint connector 6 is provided with a rotating arm 7, the joint connector 6 is hinged with the rotating arm 7 in a connecting mode, the inner side of the rotating arm 7 is provided with a ratchet wheel 8, the inner side of the ratchet wheel 8 is provided with a fixed rod 9, the lower end of the fixed rod 9 is arranged on the lower side wall of the second bracket 3, the upper side of the ratchet wheel 8 is provided with a fixed ring 10, the upper end of the fixed ring 10 is provided with a steering seat 11, and the upper end of the steering seat 11 penetrates through the upper side wall of the second bracket 3 and is provided with a workbench 12.

Specifically, the height of the second bracket 3 is larger than that of the first bracket 2, and the adjacent end surfaces of the first bracket 2 and the second bracket 3 are fixed by bolts 13.

Specifically, the arm 7 is provided with a stay 14 for an extension spring and a cantilever pin 15, the cantilever pin 15 is provided with a flat key 16 and a torsion spring 17, and the end of the flat key 16 is hinged to the outer edge of the fixed ring 10.

Specifically, both ends of the torsion spring 17 are provided on the side wall of the flat key 16 and the outer edge of the tension spring stay 14, respectively.

Specifically, a thin cylinder 18 is provided on the left end surface of the second bracket 3, and a positioning pin 19 is provided on a push rod of the thin cylinder 18 and penetrates through the plate wall of the second bracket 3.

In particular, the longitudinal central axes of the steering seat 11 and of the fixed rod 9 are both in the same vertical line.

Working principle: when the workbench 12 is required to rotate, the driving cylinder 5 is started, the rotating arm 7 is pushed by the joint 6 connected with the driving cylinder, the rotating arm 7 drives the steering seat 11 arranged on the upper side of the fixed ring 11 to rotate, the steering seat 11 drives the workbench 12 to rotate, the driving cylinder 5 is closed when the steering seat 11 rotates to a proper angle, meanwhile, the thin cylinder 18 is started, the fixed ring 10 is fixed through the positioning pin 19, the stability of the workbench 12 is assisted, the operation process is simple and convenient, and any component is not required to be disassembled.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

Although embodiments of the present utility model have been shown 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 principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A rotary positioning mechanism for boring machine frock, its characterized in that: including base (1), the upside of base (1) is equipped with first support (2) and second support (3), the rear side of second support (3) is located to first support (2), be equipped with connecting plate (4) on the siding of first support (2), be equipped with on connecting plate (4) drive cylinder (5), the end department of drive cylinder (5) is equipped with joint (6), be equipped with rocking arm (7) on joint (6), the inboard of rocking arm (7) is equipped with ratchet (8), the inboard of ratchet (8) is equipped with dead lever (9), the lower extreme of dead lever (9) is located on the lower lateral wall of second support (3), the upside of ratchet (8) is equipped with solid fixed ring (10), the upper end of gu fixed ring (10) is equipped with turns to seat (11), the upper end of turning to seat (11) is passed the upper lateral wall of second support (3) and is equipped with workstation (12).

2. The rotary positioning mechanism for a boring mill tooling according to claim 1, wherein: the height of the second support (3) is larger than that of the first support (2), and the adjacent end faces of the first support (2) and the second support (3) are fixed through bolts (13).

3. The rotary positioning mechanism for a boring mill tooling according to claim 1, wherein: the rotary arm (7) is provided with a support column (14) for the tension spring and a cantilever pin (15), the cantilever pin (15) is provided with a flat key (16) and a torsion spring (17), and the end head of the flat key (16) is hinged to the outer edge of the fixed ring (10).

4. A rotational positioning mechanism for a boring mill tooling as claimed in claim 3, wherein: the two ends of the torsion spring (17) are respectively arranged on the side wall of the flat key (16) and the outer edge of the support column (14) for the tension spring.

5. The rotary positioning mechanism for a boring mill tooling according to claim 1, wherein: the left end face of the second bracket (3) is provided with a thin air cylinder (18), and a push rod of the thin air cylinder (18) is provided with a positioning pin (19) which penetrates through the plate wall of the second bracket (3).

6. The rotary positioning mechanism for a boring mill tooling according to claim 1, wherein: the longitudinal central axes of the steering seat (11) and the fixed rod (9) are both positioned in the same vertical line.