CN203062366U

CN203062366U - Fixture for machining staggered perpendicular holes

Info

Publication number: CN203062366U
Application number: CN 201220741323
Authority: CN
Inventors: 于建国; 谢光; 华柏江; 黄颖芬
Original assignee: Shaoguan No2 Technician College
Current assignee: Shaoguan No2 Technician College
Priority date: 2012-12-30
Filing date: 2012-12-30
Publication date: 2013-07-17
Anticipated expiration: 2022-12-30

Abstract

The utility model belongs to the technical field of machining fixtures, and particularly relates to a fixture for machining staggered perpendicular holes. The fixture for machining the staggered perpendicular holes comprises a fixture body, a positioning pin roll, a pressing plate, an ejector device and a balancing device, wherein the fixture body is provided with a fixture body hole, and a first fixture through hole and a second fixture through hole which are perpendicular to each other are formed in the fixture body hole. A workpiece is placed inside the fixture body hole and tightly pressed through one end face of the pressing plate; firstly, a tool on a side tool carrier of a lathe is used for machining a first through hole in the workpiece; then the positioning pin roll penetrates through the first through hole of the workpiece for well fixing the workpiece, namely the workpiece is prevented from rolling or moving in the axial direction or the radial direction; and at last, a tool on the tail portion of the lathe is used for machining a second through hole in the workpiece. When the fixture is used for machining the staggered perpendicular holes in a cylinder, a secondary mounting and centering process is eliminated, and therefore machining accuracy is improved. The fixture for machining the staggered perpendicular holes is simple in structure, convenient to operate, high in positioning accuracy and high in workpiece dismounting speed, cannot damage the structure of an original lathe, can be dismounted conveniently when being not needed, and can be widely used in production.

Description

Staggered upright opening clamp for machining

Technical field

The utility model belongs to a kind of clamping tool for machine work technical field, is specifically related to a kind of staggered upright opening clamp for machining.

Background technology

With the lathe wrong upright opening of industry and traffic that accompanies each other, generally be to adopt earlier that line goes out a hole at lathe with chuck centering car again, and then the secondary centering, methods such as another hole of clamping car are processed.This method has following shortcoming:

1, efficient is low, does not form batch process;

2, the mounting or dismounting workpiece is loaded down with trivial details, the centering difficulty, and labour intensity is big;

3, be difficult to guarantee crudy.

The utility model content

The technical problems to be solved in the utility model is to provide a kind of simple in structure, easy to operate, staggered upright opening clamp for machining that positioning accuracy is high.

In order to address the above problem, the utility model provides a kind of staggered upright opening clamp for machining, comprise jig main body, alignment pin and be used for the pressing plate of compacting processing workpiece, have one on the described jig main body for the anchor clamps body opening of placing processing work, described anchor clamps body opening is provided with mutually perpendicular anchor clamps first perforation and anchor clamps second perforation, and described pressing plate is installed in position, anchor clamps body opening aperture.

The afterbody of described anchor clamps body opening is equipped with the liftout attachment that conveniently withdraws from workpiece, described liftout attachment comprises push rod, be enclosed within stage clip on the push rod, be used for placing stage clip spring base, be used for adjustment screw and the nut of fixing spring seat.

Described jig main body both sides are equipped with bascule, and described bascule comprises bolt and balance weight.

The taper shank of described jig main body has the tapering of convenient mounting or dismounting.

The taper shank end of described jig main body is provided with the screwed hole for stationary fixture.

Compared with prior art, the beneficial effects of the utility model are:

1, simple in structure, safe and efficient, easy to operate, easily make.

2, positioning accuracy height is processed steady noiselessness, and the dismounting workpiece is rapid, and is reliable.

3, do not destroy former machine tool structure, and time spent convenient disassembly not.

4, the processing of similar workpiece only needs to change drill holder, and parts such as adjusting pad get final product.

Description of drawings

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail, wherein:

Fig. 1 is front view of the present utility model;

Fig. 2 is left view of the present utility model;

Fig. 3 is processing work structural representation of the present utility model.

Wherein: 1-bolt, 2-balance weight, 3-pressing plate, 4-jig main body, 41-anchor clamps body opening, first perforation of 42-anchor clamps, second perforation of 43-anchor clamps, 44-taper shank, the 45-screwed hole, 5-push rod, 6-spring base, 7-stage clip, the 8-hex nut, 9-adjustment screw, 10-alignment pin, the 11-screw, 12-packing ring, 13-hex nut two, the 14-workpiece, first perforation of 141-workpiece, second perforation of 142-workpiece.

The specific embodiment

Shown in Fig. 1～3, the utility model upright opening clamp for machining that interlocks, comprise the jig main body 4 that has anchor clamps body opening 41, the taper shank 44 of described jig main body 4 has the tapering of convenient mounting or dismounting, described taper shank 44 ends have for fixing screwed hole 45, be used for preventing that workpiece from rotating or the alignment pin of radial and axial movement 10, be installed in position, anchor clamps body opening 41 aperture by screw 11, the pressing plate 3 that is used for compacting processing workpiece, be installed in the liftout attachment of anchor clamps body opening 41 tail ends, described liftout attachment comprises push rod 5, utilize screw thread to be fixed on adjustment screw 9 on the jig main body 4, be used for fixing hex nut 8, be used for placing the spring base 6 that is enclosed within push rod 5 compression springs 7, described jig main body 4 both sides also are provided with the balance weight 2 that increases the anchor clamps steadiness, and balance weight 2 is fixed on the jig main body 4 by bolt 1.

The operation principle of the staggered upright opening clamp for machining of the utility model:

Anchor clamps taper shank 44 is inserted in the lathe spindle hole, and add at screwed hole 45 and to tight a bolt, make anchor clamps more firm, prefabricated workpiece 14 is packed in the anchor clamps body opening 41, utilize pressing plate 3 end face workpiece pressings, utilize the cutter on the lathe side tool post, entering processing work first perforation 141 from anchor clamps first perforation 42, is benchmark with workpiece first perforation 141 then, and alignment pin 10 is passed workpiece first perforation 141, with packing ring 12 and nut 13 locking positioning bearing pins 10, play and prevent that workpiece from rotating, axially with the effect that moves radially, carry out processing work second perforation 142 then, utilize the cutter on the lathe tail knife rest, by anchor clamps second perforation 43, workpiece second perforation 142 to workpiece is processed, and treats the workpiece completion of processing, removes pressing plate 3, alignment pin 10, utilize external force pressure push rod 5, eject workpiece, push rod returns the home position under the effect of stage clip 7.

The staggered upright opening clamp for machining of the utility model is axial and radial location, and axial compression is avoided the secondary installing centering, improved machining accuracy, fundamentally solved the technical barrier of staggered upright opening processing, alleviated working strength of workers, enhanced productivity.

Jig main body of the present utility model is handled by hardening and tempering process, has the favorable mechanical performance.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, so every technical solutions of the utility model content that do not break away from,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does according to technical spirit of the present utility model.

Claims

1. staggered upright opening clamp for machining, it is characterized in that: comprise jig main body, alignment pin and be used for the pressing plate of compacting processing workpiece, have one on the described jig main body for the anchor clamps body opening of placing processing work, described anchor clamps body opening is provided with mutually perpendicular anchor clamps first perforation and anchor clamps second perforation, and described pressing plate is installed in position, anchor clamps body opening aperture.

2. according to the described staggered upright opening clamp for machining of claim 1, it is characterized in that: the afterbody of described anchor clamps body opening is equipped with the liftout attachment that conveniently withdraws from workpiece, described liftout attachment comprises push rod, be enclosed within stage clip on the push rod, be used for placing stage clip spring base, be used for adjustment screw and the nut of fixing spring seat.

3. according to the described staggered upright opening clamp for machining of claim 1, it is characterized in that: described jig main body both sides are equipped with balance weight, and described balance weight is connected on the jig main body by screw.

4. according to the described staggered upright opening clamp for machining of claim 1, it is characterized in that: the taper shank of described jig main body has the tapering of convenient mounting or dismounting.

5. according to the described staggered upright opening clamp for machining of claim 1, it is characterized in that: the taper shank end of described jig main body is provided with the screwed hole for stationary fixture.