CN203527411U

CN203527411U - Sample punching machine capable of improving drilling precision

Info

Publication number: CN203527411U
Application number: CN201320709920.1U
Authority: CN
Inventors: 张欣倪; 张义胜; 李素云
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-11-12
Filing date: 2013-11-12
Publication date: 2014-04-09
Anticipated expiration: 2023-11-12

Abstract

The utility model discloses a sample punching machine capable of improving drilling precision. The sample punching machine comprises a sample punching head (1) and a lengthways through guide base (4); the sample punching head (1) is mounted in the guide base (4) in a sleeved manner; the sample punching machine is characterized in that the diameter of the bottom of the guide base (4) is greater than that of the upper part, the section of the bottom is of a cross-shaped positioning mechanism, a guide pin (2) is transversely mounted at the inner upper side of the guide base (4), a spring (3) is mounted below the guide pin (2), the bottom of the guide base (4) is connected and fixed through a screwed plug (5) to form an operating channel of the sample punching head (1). The sample punching machine capable of improving the drilling precision can position a drilling position exactly through the cross-shaped positioning mechanism and can drill a hole precisely at an exact position.

Description

A kind of sample punching that can improve borehole accuracy

Technical field

A kind of sample punching that can improve borehole accuracy, belongs to sample and rushes technical field.

Background technology

When piece surface is holed, normally elder generation's cross centre line on bore position is drawn, stamps vestige with sample drift in cross center, then with the drill bit of sample drift, aims at vestige and starts boring.The problem that existing sample punch structure exists is, with sample drift, when beating vestige, due to people's the collimation error, caused that to beat vestige position inaccurate, departed from cross center, to such an extent as to the position degree of holing is lower.

In prior art, although related to by being set with guide pin bushing in sample drift outside, or suit is with the guide pin bushing of spring, determine sample drift track and the design of beating trace position, but guiding sleeve type design of the prior art exists technological deficiency: human eye needs visual sample drift drill bit to determine position of opening, but it is outside that existing guide pin bushing is sleeved on sample drift, blocked human eye determining drill bit position; When hitting, operator cannot observe in the cross whether drill bit accurately fall within cross wire in the heart.Above problem has caused the existing sample drift with guide pin bushing, although punching is not prone to inclined hole, useless hole, the position of punching is not accurate, cannot in the definite cross of cross centre line, punch in the heart accurately, is prone to position skew.

Summary of the invention

The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of sample punching that can improve borehole accuracy, the position punching that this sample punching can be demarcated at cross centre line accurately.

The utility model solves the technical scheme that its technical problem adopts: this can improve sample punching of borehole accuracy, comprise sample drift and the guide holder communicating up and down, sample drift is sleeved in guide holder, it is characterized in that: guide holder base diameter is greater than top, and bottom section is that cross detent mechanism, guide finger are laterally arranged on top in guide holder, the below mounting spring of guide finger, guide holder bottom are connected and fixed by plug, form the operation passage of sample drift.

Described cross detent mechanism is for protruding from guide holder outer dia for most advanced and sophisticated, most advanced and sophisticated four in the same plane.

Described tip is to extraradial arrow shaped, uniformly at intervals.

Described plug is hollow shape.

Can avoid in use guide holder to block for the sight line of sample drift tip, only need the crosswise detent mechanism of range estimation guide holder bottom just in time to overlap with the cross centre line of workpiece punching place mark.The cross-connect cable of four tip is mutually vertical, the intersection point of cross-connect cable is positioned on the movement locus of sample drift, represent the tip of sample drift and the center superposition that bore position is drawn cross centre line, the Da Hen position, tip of sample drift is accurate, can be accurately in the mark position perforate of cross centre line, operating efficiency is high, has greatly improved borehole accuracy.Simultaneously due to the guide effect of guide holder, can guarantee institute's perforate vertically impartially, not askew; Due to crosswise detent mechanism, be arranged on again the external bottom end of guide holder, increased the floor space of guide holder, the contact area between guide holder and surface of the work is increased, frictional force increases, job stability is improved, and when perforate, guide holder is difficult for being subjected to displacement, and beats trace position accurate.

Compared with prior art, the beneficial effect that a kind of sample punching that can improve borehole accuracy of the present utility model has is:

1, overcome in prior art sample drift with guide pin bushing and hit not problem accurately of punch position, a kind of sample drift that can improve borehole accuracy of the present utility model in actual applications punch position precisely, punching just, be not prone to inclined hole, useless hole.

2, a kind of sample drift that can improve borehole accuracy of the present utility model is easy to carry, without depending on punching station, can directly be positioned over and need punching piece surface to punch; Be convenient to dismounting, the sample drift that can extract guide finger replacing different thicknesses, different model out punches.

3, a kind of sample drift resistance that can improve borehole accuracy of the present utility model is little, the cooperation of spring and guide finger, resistance in the time of can reducing to impact in the degree of depth of determining accurately punching can make again the reset of upspringing of sample drift after punching under the elastic force at spring.

Accompanying drawing explanation

Fig. 1 is a kind of partial sectional view that can improve the sample punching of borehole accuracy.

Fig. 2 is a kind of front view that can improve the sample punching of borehole accuracy.

Fig. 3 is upward view during a kind of sample that can improve borehole accuracy rushes.

Fig. 4 is a kind of assembly structure schematic diagram that can improve the sample punching of borehole accuracy of Fig. 3.

Wherein: 1, sample drift; 2, guide finger; 3, spring; 4, guide holder; 5, plug; 6, tip.

The specific embodiment

Fig. 1 ~ 4th, a kind of most preferred embodiment that can improve the sample punching of borehole accuracy of the present utility model, is described further below in conjunction with 1 ~ 4 pair of the utility model of accompanying drawing.

With reference to Fig. 1 ~ 4: a kind of sample punching that can improve borehole accuracy of the present utility model, is comprised of sample drift 1, guide finger 2, spring 3, guide holder 4, plug 5 and cross detent mechanism.Sample drift 1 is sleeved in the guide holder 4 communicating up and down, and guide holder 4 is connected by guide finger 2 with sample drift 1, and guide finger 2 crosses guide holder 4 and sample drift 1; Guide holder 4 stage casing symmetries offer is convenient to the reciprocating guide rail of guide finger 2; Corresponding being provided with for penetrating the cavity of guide finger 2 on sample drift 1; Guide holder 4 inside are provided with spring 3 and plug 5, leave the reciprocating passage of sample drift 1 on spring 3 and plug 5; Spring 3 card is placed in the space that guide finger 2, plug 5, guide holder 4 surround; 5 one-tenth tubuloses of plug, plug 5 is threaded in guide holder 4 inside, the diameter of being convenient to the passage that sample drift 1 moves reciprocatingly reserving on plug 5 is less than the diameter of spring 3 central passages so that plug 5 by spring 3 gears in guide holder 4 inside; With reference to Fig. 1, sample drift 1 is crossed in guide finger 2 stage casings, and guide finger 2 two ends are sleeved in the guide rail of offering on guide holder 4, and guide finger 2 can drive sample drift 1 to move reciprocatingly in guide rail under the elastic force effect of spring 3.

Four of the bottom disposed outside of guide holder 4 are sagittate most advanced and sophisticated 6, and the summit line at relative tip 6 forms two and intersects lines; Article two, the line that intersects is mutually vertical, just in time overlap with cross centre line, and intersection point is positioned on the movement locus of sample drift 1 tip; The tip of sample drift 1 is tapered, can under impacting, contact with surface of the work, carries out perforate.

The course of work is as follows: a kind of sample punching that can improve borehole accuracy of the present utility model, beat vestige structural representation as shown in Figure 3, after four arrows of guide holder 4 bottoms overlap with cross centre line (dotted line in Fig. 3), the tip and the cross center superposition that represent sample drift, now, with the moving sample drift of have gentle hands flicking, spring 3 is compressed, and the tip of sample drift contacts cross center, with hammer, beat gently the top of drift, play vestige work and completed; After loosing one's grip, spring 3 resets sample drift 1.

The above, it is only preferred embodiment of the present utility model, be not the utility model to be done to the restriction of other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.

Claims

1. the sample punching that can improve borehole accuracy, the guide holder (4) that comprises sample drift (1) and communicate up and down, sample drift (1) is sleeved in guide holder (4), it is characterized in that: guide holder (4) base diameter is greater than top, and bottom section is that cross detent mechanism, guide finger (2) are laterally arranged on top in guide holder (4), the below mounting spring (3) of guide finger (2), guide holder (4) bottom are connected and fixed by plug (5), form the operation passage of sample drift (1).

2. a kind of sample punching that can improve borehole accuracy according to claim 1, is characterized in that: described cross detent mechanism is for protruding from guide holder (4) outer dia for most advanced and sophisticated (6), most advanced and sophisticated (6) four in the same plane.

3. a kind of sample punching that can improve borehole accuracy according to claim 2, is characterized in that: described tip (6) are to extraradial arrow shaped, uniformly at intervals.

4. a kind of sample punching that can improve borehole accuracy according to claim 1, is characterized in that: described plug (5) is hollow shape.