CN204035630U - A kind of frock of the inclined hole processed on sleeve workpiece outer surface - Google Patents

Abstract

The utility model discloses a kind of frock of the inclined hole that can make on the processing sleeve workpiece outer surface of work-handling convenient, comprise frame, bushing plate, cover for seat, cylinder, outer cone mandrel and inner cone ringfeder.Frame comprises base plate and to be arranged on base plate and to have the tilt prop of a perforation; On the front end face that cover for seat is fixed on tilt prop and rear portion is plugged in the perforation of tilt prop; On the rear end face that cylinder is arranged on tilt prop and its piston rod interts in the endoporus of cover for seat; Outer cone mandrel is connected to the front end of the piston rod of cylinder; The front end face that inner cone ringfeder is placed in cover for seat is set in the periphery of outer cone mandrel, and the tapering of the tapering of the inner hole surface of this inner cone ringfeder and the outer surface of outer cone mandrel is adaptive; The front end face being placed in cover for seat of workpiece is set in the periphery of inner cone ringfeder, when the retraction of the piston rod of cylinder, the outer surface of outer cone mandrel and the inner hole surface of inner cone ringfeder are fitted tensioner, thus the outer surface of inner cone ringfeder and the benchmark inner hole surface of workpiece are fitted tensioner.

Description

Tooling for machining inclined holes on the outer surface of sleeve-like workpieces

technical field

The utility model relates to a tool for processing inclined holes on the outer surface of sleeve-like workpieces.

Background technique

In the process of processing the inclined hole on the side wall of the sleeve workpiece, it is required to have precise positioning in the tooling and convenient and reliable clamping. The traditional method often uses the cylindrical mandrel to coordinate with the reference hole of the workpiece to be processed, and the clamping plate is pressed against the workpiece by screws to complete the clamping. This method has certain accuracy because of the cooperation of the cylindrical mandrel and the reference hole of the workpiece, and the fit gap is small. In addition, the pressure plate is used to press the workpiece with screws, which is inconvenient for clamping, and the effect of processing inclined holes is low.

Utility model content

The purpose of the utility model is to overcome the defects of the prior art, and provide a tool for processing inclined holes on the outer surface of sleeve workpieces, which has a fast positioning speed, ensures the accuracy of inclined hole processing, and can make the workpieces easy to assemble and disassemble. .

The purpose of this utility model is achieved in the following way: a tool for processing inclined holes on the outer surface of a sleeve type workpiece, the sleeve type workpiece includes a reference inner hole and a positioning hole on the outer surface; the tooling includes a frame, A drilling formwork, a cover, a cylinder, an outer cone mandrel and an inner cone expansion sleeve installed on the frame and having a through hole perpendicular to the horizontal plane, wherein,

The frame includes a bottom plate and a diagonal bracing plate mounted on the bottom plate and having a perforation;

The seat cover is fixed on the front end face of the slanting brace of the frame and the rear part is inserted into the perforation of the slanting brace;

The cylinder is installed on the rear end surface of the brace plate of the frame and its piston rod is inserted into the inner hole of the seat cover;

The outer cone mandrel is connected to the front end of the piston rod of the cylinder and is located in front of the front end face of the seat sleeve;

The inner cone expansion sleeve is arranged on the front end surface of the seat sleeve and is sleeved on the periphery of the outer cone mandrel. taper fit;

The workpiece is placed on the front end of the seat sleeve and is fitted on the periphery of the inner cone expansion sleeve. When the piston rod of the cylinder is retracted, the outer surface of the outer cone mandrel is in contact with the outer surface of the inner cone expansion sleeve. The inner hole surface of the inner cone expansion sleeve is fit and tightened, so that the outer surface of the inner cone expansion sleeve is fitted and tightened with the reference inner hole surface of the workpiece, so that the drill hole on the drill sleeve is aligned with the desired processing Slanted holes on the outer surface of the workpiece.

The tool for processing the oblique holes on the outer surface of sleeve-like workpieces above, wherein, a drill sleeve with a drill hole perpendicular to the horizontal plane is also installed in the through hole of the drill template.

The tooling for processing the oblique holes on the outer surface of the sleeve-like workpiece above, wherein the tooling also includes a position positioning seat fixed on the front end surface of the diagonal bracing plate of the frame and located below the seat cover and One end is inserted on the position degree positioning seat, and the other end is inserted into the position degree positioning piece pin in the positioning hole of the workpiece.

The technical scheme of the utility model for the tooling of the oblique hole on the side wall of the processing sleeve workpiece adopts the cooperation of the outer cone mandrel and the conical surface of the inner cone expansion sleeve to clamp the workpiece, that is, the combination of the outer cone mandrel and the inner cone expansion sleeve The cone surface should choose the right cone angle. This cone angle is required to be self-locking when the outer cone mandrel and the inner cone expansion sleeve are loosened and free, but in the tensioned state, there is enough fastening force to fix the workpiece, so that Make the workpiece loading and unloading convenient and free. The tooling of the utility model has fast positioning speed, ensures the accuracy of inclined hole processing, and obviously improves work efficiency.

Description of drawings

Fig. 1 is a schematic structural view of a tooling for processing inclined holes on the outer surface of a sleeve workpiece of the present invention.

Detailed ways

The utility model will be further described below in conjunction with accompanying drawing.

Please refer to FIG. 1 , the sleeve workpiece 4 includes a reference inner hole 40 and a positioning hole 41 on the outer surface.

A tooling for processing inclined holes on the outer surface of sleeve-like workpieces of the utility model includes a frame 1, a drilling template 7, a drilling sleeve 8, a sleeve 9, a cylinder 10, an outer cone mandrel 6, Inner cone expansion sleeve 5, position degree positioning seat 2 and position degree positioning piece pin 3, wherein:

The frame 1 includes a base plate 11 and a diagonal bracing plate 12 mounted on the base plate 11 and having a perforation;

Drilling template 7 is horizontally fixed on the upper end of slanting brace 12, and this drilling template is provided with a through hole perpendicular to the horizontal plane;

Drill sleeve 8 is installed in the through hole of drill template 7, and the drill sleeve 8 is provided with a drill hole perpendicular to the horizontal plane;

The seat cover 9 is fixed on the front end face of the diagonal brace 12 of the frame 1 and the rear part is inserted in the perforation of the diagonal brace 12;

The cylinder 10 is installed on the rear end surface of the slanting brace 12 of the frame 1 and its piston rod is inserted into the inner hole of the seat cover 9;

The outer cone mandrel 6 is connected to the front end of the piston rod of the cylinder 10 and is located in front of the front end face of the seat cover 9;

The inner cone expansion sleeve 5 is arranged on the front end surface of the seat sleeve 9 and is fitted on the outer periphery of the outer cone mandrel 6. The taper of the inner hole surface of the inner cone expansion sleeve 5 is adapted to the taper of the outer surface of the outer cone mandrel 6. ;

The workpiece 4 is placed on one side of the seat cover and is set on the periphery of the inner cone expansion sleeve;

The position positioning seat 2 is fixed on the front end surface of the diagonal bracing plate 12 of the frame 1 and is located below the seat cover 9;

One end of the position positioning pin 3 is a flat plate, and the other end is a cylinder. One end of the flat plate of the position positioning pin 3 is inserted on the position positioning seat 2, and one end of the cylinder is inserted on the positioning position of the workpiece 4. in hole 41;

When the tooling of the utility model for processing inclined holes on the outer surface of sleeve workpieces is in use, the angle between the brace plate 12 and the bottom plate 11 can be adjusted first to meet the angle of the inclined holes on the outer surface of the workpiece 4 . When the piston rod of the cylinder is in an extended state, the outer surface of the outer cone mandrel 6 and the inner surface of the inner cone expansion sleeve 5 are in a non-cooperating state, and the outer diameter of the inner cone expansion sleeve 5 is smaller than that of the reference inner hole of the workpiece 4 diameter, the workpiece 4 is very easy to install and it is in place. At the same time, insert one end of the cylinder of the position positioning plate pin 3 into the positioning hole 41 of the workpiece 4, and then start the manual valve of the pneumatic component to control the retraction of the piston rod of the cylinder 10, so that The outer surface of the outer cone mandrel 6 fits tightly with the inner surface of the inner cone expansion sleeve 5, so that the outer surface of the inner cone expansion sleeve 5 and the surface of the reference inner hole 40 of the workpiece 4 are attached and tightened, so that The drill hole on the drill sleeve 8 is aligned with the inclined hole 42 on the outer surface of the workpiece 4 to be processed, so that the inclined hole 42 on the workpiece 4 to be processed is coaxial with the drill hole, that is, the inclined hole 42 on the workpiece 4 is perpendicular to the horizontal plane , start the drilling machine and make the drill bit on the drilling machine pass through the drill bit hole of the drill sleeve 8 to drill the outer surface of the workpiece 4, and then the inclined hole 42 on the workpiece 4 can be processed. After the processing is completed, operate the manual valve of the pneumatic component to control the extension of the piston rod of the cylinder 10, so that the outer surface of the outer cone mandrel 6 separates the inner hole surface of the inner cone expansion sleeve 5, and at the same time the outer surface of the inner cone expansion sleeve 5 The rebound shrinks, and a gap is generated with the surface of the reference inner hole 40 of the workpiece 4, and then the position positioning plate pin 3 is removed, and the workpiece 4 can be easily unloaded, and a processing procedure is completed, and the work efficiency is obviously improved.

The above embodiments are only for illustrating the utility model, rather than limiting the utility model. Those skilled in the art can also make various transformations or modifications without departing from the spirit and scope of the utility model. Therefore, all equivalent technical solutions should also belong to the category of the present utility model, and should be defined by each claim.

Claims (3)

1. process a frock for the inclined hole on sleeve workpiece outer surface, the locating hole that described sleeve workpiece comprises benchmark endoporus and is positioned on outer surface; Described frock comprise frame and to be arranged in frame and have one with the bushing plate of the through hole of horizontal plane, it is characterized in that, described frock also comprises a cover for seat, a cylinder, an outer cone mandrel and inner cone ringfeder, wherein,

Described frame comprises base plate and to be arranged on base plate and to have the tilt prop of a perforation;

On the front end face that described cover for seat is fixed on the tilt prop of described frame and rear portion is plugged in the perforation of described tilt prop;

On the rear end face that described cylinder is arranged on the tilt prop of described frame and its piston rod interts in the endoporus of described cover for seat;

Described outer cone mandrel is connected to the front end of the piston rod of described cylinder and is positioned at the front of the front end face of described cover for seat;

The front end face that described inner cone ringfeder is placed in described cover for seat is set in the periphery of described outer cone mandrel, and the tapering of the tapering of the inner hole surface of this inner cone ringfeder and the outer surface of described outer cone mandrel is adaptive;

The front end face being placed in described cover for seat of described workpiece is set in the periphery of described inner cone ringfeder, when the retraction of the piston rod of described cylinder, the inner hole surface of the outer surface of described outer cone mandrel and described inner cone ringfeder is fitted tensioner, thus the benchmark inner hole surface of the outer surface of inner cone ringfeder and described workpiece is fitted tensioner, aim at inclined hole on outer surface of workpiece to be processed to make the drill bit bore on drill bushing.

2. the frock of the inclined hole on processing sleeve workpiece outer surface according to claim 1, is characterized in that, also installs one and have the drill bushing with the drill bit bore of horizontal plane in the through hole of described bushing plate.

3. the frock of the inclined hole on processing sleeve workpiece outer surface according to claim 1 and 2, it is characterized in that, described frock also to comprise on a front end face being fixed on the tilt prop of described frame and the position degree spacer pin that the position degree positioning seat be arranged in below described cover for seat and one end are plugged on position degree positioning seat, the other end is plugged on the locating hole of described workpiece.