CN203316789U

CN203316789U - Drill jig

Info

Publication number: CN203316789U
Application number: CN201320326149XU
Authority: CN
Inventors: 唐开国; 张志强; 王瑀烽
Original assignee: Anhui Xingma Special Purpose Vehicle Co Ltd
Current assignee: Anhui Xingma Special Purpose Vehicle Co Ltd
Priority date: 2013-06-07
Filing date: 2013-06-07
Publication date: 2013-12-04
Anticipated expiration: 2023-06-07

Abstract

The utility model provides a drill jig. The drill jig comprises a drill jig plate with a mounting hole, and a drill bushing fixedly arranged in the mounting hole and provided with a datum hole. According to the drill jig provided by the utility model, an integrated drill jig in the prior art is divided into the detachable drill jig plate and the drill bushing, the drill bushing with the datum hole can be changed after being abraded, so that the influence on the machining precision of sectional material due to the abraded datum hole is reduced or even avoided.

Description

A kind of drill jig

Technical field

The utility model relates to the technology of die manufacturing field, more particularly, relates to a kind of drill jig.

Background technology

Drill jig is the mould that the cutter on guiding drilling machine or other equipment is holed or reamed on workpiece, has datum hole on it.Drill jig, in the process of using, at first will clamp by mechanical system with the section bar of needs boring, then with the position of datum hole on drill jig be of a size of benchmark, by drilling machine or other equipment, gets out the hole that meets technological requirement on section bar.Because this kind of processing technology accurately had relatively high expectations to the hole on section bar, so more accurate for the position in the hole that makes to process, the global shape of drill jig is general identical with the section bar that needs to hole with size.

In the prior art, the material of drill jig is generally high-strength steel sheet, datum hole is opened on this high-strength steel sheet, although the drill jig of this kind of material can improve the bulk strength of drill jig to a certain extent, but its local wearability is unsatisfactory, when drill jig, after repeatedly using, datum hole can be worn and make its diameter become gradually large, thereby are take in its size as the hole that benchmark processes on section bar and position in impact, and then the machining accuracy of section bar has been caused and had a strong impact on.

Therefore, how reducing even to avoid drill jig because of the impact that wearing and tearing cause the section bar machining accuracy, is current those skilled in the art's problem demanding prompt solution.

The utility model content

In view of this, the utility model provides a kind of drill jig, and it can reduce the impact of even avoiding drill jig because of wearing and tearing, the section bar machining accuracy to be caused.

In order to achieve the above object, the utility model provides following technical scheme:

A kind of drill jig, it comprises:

Offer the bushing plate of installing hole;

Can be fixedly installed in described installing hole and there is the drill bushing of datum hole.

Preferably, in above-mentioned drill jig, described installing hole is shoulder hole.

Preferably, in above-mentioned drill jig, described drill bushing is to coordinate with described shoulder hole the ladder cover of installing.

Preferably, in above-mentioned drill jig, described bushing plate is high-strength steel sheet.

Preferably, in above-mentioned drill jig, described drill bushing is the heat treated high strength steel bushing of process.

Preferably, in above-mentioned drill jig, in the time of in described drill bushing is arranged at described installing hole, described drill bushing and described installing hole are interference fit.

In the drill jig that the utility model provides, comprise two parts of bushing plate and drill bushing, these two parts can be realized dismounting, before work, first drill bushing is fixedly mounted in installing hole, then start to using datum hole on drill bushing as benchmark machining hole on section bar, after work a period of time, after drill bushing is worn, the drill bushing that will wear and tear disassembles from installing hole, and the drill bushing more renewed is to proceed work.The drill jig that the utility model provides, originally the drill jig of an integral body is set to bushing plate and the drill bushing that can dismantle, after the drill bushing wearing and tearing with datum hole, can be changed it, even avoid to reduce the impact section bar machining accuracy caused because of the datum hole wearing and tearing.

The accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.

The structural representation of the bushing plate of the drill jig that Fig. 1 provides for the utility model embodiment;

The cutaway view that Fig. 2 is drill bushing;

The installation diagram that Fig. 3 is bushing plate and drill bushing.

In above Fig. 1-Fig. 3:

Installing hole 1, bushing plate 2, datum hole 3, drill bushing 4.

The specific embodiment

The utility model provides a kind of drill jig, and it can reduce the impact of even avoiding drill jig because of wearing and tearing, the section bar machining accuracy to be caused.

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the utility model protection.

The global shape of bushing plate, size and the installing hole set-up mode on bushing plate and the global shape that needs fabircated shapes, size and on the set-up mode in hole consistent.In Fig. 1-Fig. 3, the global shape of the bushing plate of embodiment, size and the installing hole set-up mode on bushing plate is only a specific embodiment, cannot be understood as the concrete restriction to protection domain.

As shown in Figure 1-Figure 3, the drill jig that the utility model embodiment provides, it comprises:

Offer the bushing plate 2 of installing hole 1;

Can be fixedly installed in installing hole 1 and there is the drill bushing 4 of datum hole 3.

In the drill jig that the present embodiment provides, comprise 4 two parts of bushing plate 2 and drill bushing, these two parts can be realized dismounting, before work, first drill bushing 4 is fixedly mounted in installing hole 1, then start to using datum hole 3 on drill bushing 4 as benchmark machining hole on section bar, after work a period of time, after drill bushing 4 is worn, the drill bushing 4 that will wear and tear disassembles from installing hole 1, and the drill bushing 4 more renewed is to proceed work.

The drill jig that the present embodiment provides, originally the drill jig of an integral body is set to the two parts that can dismantle, after drill bushing 4 wearing and tearing with datum hole 3, can be changed it, even avoid to reduce the impact section bar machining accuracy caused because of datum hole 3 wearing and tearing.

In addition, the drill jig provided in the present embodiment, only needing to change drill bushing 4 after drill bushing 4 wearing and tearing gets final product, without changing bushing plate 2, and existing drill jig is the integral type structure, just need the integral replacing drill jig after datum hole is worn, so the drill jig that the present embodiment provides can be cost-saving largely, increases economic efficiency.

In order further to optimize technique scheme, in the drill jig that the present embodiment provides, installing hole 1 is shoulder hole, and drill bushing 4 is to coordinate with shoulder hole the ladder cover of installing.In the present embodiment, installing hole 1 is shoulder hole, drill bushing 4 is the ladder cover that can coordinate with shoulder hole, can further improve the cooperation intensity of installing hole 1 and drill bushing 4 like this, it can bear surge greatly in the process coordinated, optimized force structure, strengthened fiting effect, working life each other while having extended cooperating.

Preferably, bushing plate 2 is high-strength steel sheet.Because high strength steel can improve the structural strength of bushing plate 2 integral body, so the material of the preferred bushing plate 2 of the present embodiment is high strength steel.

Same, the material of drill bushing 4 also is preferably high strength steel, but in order further to improve its local wearability, drill bushing 4 in the process of manufacturing passed through heat treatment, himself hardness is improved, wear-resisting better effects if, working life is longer, and then can reduce the replacing quantity of drill bushing 4, reduce production costs.

In order to guarantee the machining accuracy in hole on section bar, in the process of processing, the drill bushing 4 of coordinate installing needs to keep firmly being connected with bushing plate 2, can not occur connecting and become flexible, so be arranged at installing hole 1 when interior when drill bushing 4, drill bushing 4 and installing hole 1 are interference fit.

To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims

1. a drill jig, is characterized in that, comprising:

Offer the bushing plate (2) of installing hole (1);

Can be fixedly installed in described installing hole (1) and there is the drill bushing (4) of datum hole (3).

2. drill jig according to claim 1, is characterized in that, described installing hole (1) is shoulder hole.

3. drill jig according to claim 2, is characterized in that, described drill bushing (4) is to coordinate with described shoulder hole the ladder cover of installing.

4. drill jig according to claim 1, is characterized in that, described bushing plate (2) is high-strength steel sheet.

5. drill jig according to claim 1, is characterized in that, described drill bushing (4) is the heat treated high strength steel bushing of process.

6. according to the described drill jig of any one in claim 1-5, it is characterized in that, in the time of in described drill bushing (4) is arranged at described installing hole (1), described drill bushing (4) is interference fit with described installing hole (1).