CN212285983U

CN212285983U - Boring positioning fixture

Info

Publication number: CN212285983U
Application number: CN202020702047.3U
Authority: CN
Inventors: 章群渝; 何贵洪; 赵崇桂; 吕昌全; 舒洪兴
Original assignee: Guiyang Xianfeng Machine Tool Works Co ltd
Current assignee: Guiyang Xianfeng Machine Tool Works Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-01-05
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to a bore hole positioning fixture, including base, reference column, boring bar seat and V type seat, the both ends of base are provided with the boring bar seat respectively, all are equipped with the boring sleeve on the boring bar seat, wear the boring bar between the boring sleeve, the V type seat is located between the boring bar seat, the axis of V type seat and the axis parallel arrangement of boring bar, be equipped with the clamp plate on the V type seat, one side of V type seat is located to the reference column, the lower extreme and the base fixed connection of reference column, the side of base is equipped with the reference surface, the length direction contained angle setting of reference surface and base, the axis parallel arrangement of reference surface and boring bar. The utility model discloses a V type seat can play better supporting role to the work piece to can fix a position the processing terminal surface of work piece through the reference column, be favorable to the processing of low angle inclined hole, guarantee the accuracy of inclined hole processing, the axiality is better.

Description

Boring positioning fixture

Technical Field

The utility model relates to a machining equipment technical field especially relates to a bore hole positioning fixture.

Background

The boring machine is a machine tool for boring a hole in a workpiece by using a boring tool, and the movement of the boring tool or the workpiece is a feed motion.

At present, the accuracy of processing and correcting is low for boring a workpiece, particularly for processing a low-angle inclined hole, and particularly the coaxiality of the inclined hole is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned technical problem and provide a bore hole positioning fixture that processing accuracy is high, angle control is accurate to solve above-mentioned at least one technical problem.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a boring positioning fixture comprises a base, positioning columns, boring rods, boring rod seats and V-shaped seats, wherein the boring rod seats are arranged at two ends of the base respectively, boring sleeves are arranged on the boring rod seats respectively, the boring rods penetrate through the boring sleeves, the V-shaped seats are arranged between the boring rod seats, the axis of each V-shaped seat is parallel to the axis of each boring rod, a pressing plate is arranged on each V-shaped seat, each positioning column is arranged on one side of each V-shaped seat, the lower end of each positioning column is fixedly connected with the base, a reference surface is arranged on the side face of the base, an included angle between the reference surface and the base in the length direction is formed, and the reference surface is parallel to the axis of each boring rod.

The utility model has the advantages that: the utility model discloses a V type seat can play better supporting role to the work piece to can fix a position the processing terminal surface of work piece through the reference column, be favorable to the processing of low angle inclined hole, guarantee the accuracy of inclined hole processing, the axiality is better.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the included angle between the reference surface and the axial line of the base in the length direction is 1 degree.

The beneficial effect of adopting the further scheme is that: the angle between the V-shaped seat and the boring rod is preset, so that the boring can be conveniently carried out, and the purpose of processing the inclined hole is realized.

Further, the V-shaped seats are provided with at least two.

The beneficial effect of adopting the further scheme is that: the V-shaped seats are provided with two good supporting and fixing effects which can guarantee that the workpiece to be processed is well supported and fixed.

Furthermore, both ends of the pressing plate are connected with the V-shaped seat through pressing bolts.

The beneficial effect of adopting the further scheme is that: the pressing bolt is beneficial to loading and unloading of the workpiece, and the fixing is stable.

Furthermore, the V-shaped seat is provided with equal-height cushion blocks.

The beneficial effect of adopting the further scheme is that: the equal-height cushion blocks can support the workpiece to be processed, and meanwhile, the stability of the workpiece is guaranteed.

Furthermore, a dial indicator is fixedly arranged on the base.

The beneficial effect of adopting the further scheme is that: the dial indicator can facilitate correction of the installation position of the machined workpiece.

Furthermore, a lining is arranged between the boring sleeve and the boring bar seat.

The beneficial effect of adopting the further scheme is that: the bushing can support the boring sleeve, and stability is better.

Drawings

FIG. 1 is a front view of the preferred embodiment of the present invention;

FIG. 2 is a top view of the preferred embodiment of the present invention;

fig. 3 is a left side view of the structure of the preferred embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the device comprises a base, 2, a boring bar seat, 3, a boring sleeve, 4, a lining, 5, a positioning column, 6, a V-shaped seat, 7, a dial indicator, 8, a boring bar, 9, a pressure plate, 10, equal-height cushion blocks, 11, a compression bolt, 12 and a reference surface.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples

As shown in fig. 1-3, the core of the present invention is to provide a boring positioning fixture, which comprises a base 1 and a positioning post 5, the boring bar comprises a boring bar 8, boring bar seats 2 and V-shaped seats 6, wherein the boring bar seats 2 are respectively arranged at two ends of a base 1, boring sleeves 3 are respectively arranged on the boring bar seats 2, the boring bar 8 penetrates between the boring sleeves 3, the V-shaped seats 6 are arranged between the boring bar seats 2, the axis of the V-shaped seats 6 is parallel to the axis of the boring bar 8, pressing plates 9 are arranged on the V-shaped seats 6, positioning columns 5 are arranged on one sides of the V-shaped seats 6, the lower ends of the positioning columns 5 are fixedly connected with the base 1, reference surfaces 12 are arranged on the side faces of the base 1, included angles between the reference surfaces 12 and the length direction of the base 1 are arranged, the reference surfaces 12 are parallel to the axis of the boring bar 8, it needs to be noted that the positioning columns are cylindrical, and the positioning columns 5 are abutted to end faces.

Preferably, there are at least two V-shaped seats 6, in this embodiment, there are two V-shaped seats 6, two press plates 9 are provided corresponding to the V-shaped seats 6, and the two V-shaped seats 6 are spaced apart in the offset direction.

The included angle between the side wall of the base 12 and the side wall of the base 1 is 1 °, it should be noted that the purpose of setting the base 12 is that the base 1 and the main shaft can be set at an included angle, and the base 12 can play a role in positioning, so that the inclined hole can be machined when the boring is moved.

Preferably, the both ends of clamp plate 9 are all connected with V type seat 6 through clamp bolt 11, it needs to explain that, clamp bolt 11's upper end is equipped with gland nut, be equipped with the gasket between gland nut and the clamp plate 9, all be equipped with on the both ends of clamp plate 9 and lack the hole for the dismouting of clamp bolt 11 is favorable to the last unloading of work piece, one side that clamp plate 9 orientation V type seat 6 is equipped with the arc and compresses tightly the face, the surface that the arc compressed tightly the face is equipped with the felt, in order to reduce the damage of the work piece of clamp plate 9.

Preferably, equal-height cushion blocks 10 are arranged on the V-shaped seat 6, and it should be noted that the upper end of the V-shaped seat 6 is arranged to be a V-shaped structure, and the equal-height cushion blocks 10 are respectively arranged on the inner wall of the V-shaped structure, so that the supporting effect on the workpiece is ensured, and the positioning effect on inclined hole machining is facilitated.

Preferably, the base 1 is fixedly provided with a dial indicator 7, and it should be noted that the notch of the workpiece, which is used for correcting the workpiece, is arranged in parallel with the base 1, and the axis of the spindle of the boring machine is arranged in parallel with the base 1.

Preferably, a bushing 4 is arranged between the boring sleeve 3 and the boring bar base 2, and the bushing 4 is sleeved outside the boring sleeve 3 and supports the boring sleeve 3.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A boring positioning fixture is characterized by comprising a base (1), a positioning column (5), a boring rod (8), boring rod seats (2) and V-shaped seats (6), wherein the boring rod seats (2) are respectively arranged at two ends of the base (1), boring sleeves (3) are respectively arranged on the boring rod seats (2), the boring rod (8) penetrates through the boring sleeves (3), the V-shaped seats (6) are arranged between the boring rod seats (2), the axis of the V-shaped seats (6) is parallel to the axis of the boring rod (8), pressing plates (9) are arranged on the V-shaped seats (6), the positioning column (5) is arranged at one side of the V-shaped seats (6), the lower end of the positioning column (5) is fixedly connected with the base (1), a reference surface (12) is arranged on the side surface of the base (1), and an included angle between the reference surface (12) and the base (1) in the length direction is formed, the reference surface (12) is arranged in parallel with the axis of the boring bar (8).

2. A boring positioning fixture as claimed in claim 1, characterised in that the datum surface (12) is angled at 1 ° to the longitudinal axis of the base (1).

3. A boring positioning fixture as claimed in claim 1, characterised in that there are at least two V-shaped seats (6).

4. A boring positioning fixture as claimed in claim 3, characterised in that both ends of the pressure plate (9) are connected to the V-shaped seat (6) by compression bolts (11).

5. A boring positioning fixture as claimed in claim 4, characterised in that the V-shaped seat (6) is provided with a pad (10) of equal height.

6. A boring positioning fixture as claimed in any one of claims 1 to 5, characterised in that a dial indicator (7) is fixedly arranged on the base (1).

7. A boring positioning fixture as claimed in any one of claims 1 to 5, characterised in that a bushing (4) is provided between the boring sleeve (3) and the shank holder (2).