CN2261304Y

CN2261304Y - Press cutting hole maker

Info

Publication number: CN2261304Y
Application number: CN 95246714
Authority: CN
Inventors: 贺圣怀; 顾旭华; 董惠富
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-12-22
Filing date: 1995-12-22
Publication date: 1997-09-03
Anticipated expiration: 2005-12-22

Abstract

The utility model discloses a press cutting type hole maker which is composed of a pressing head, a module, a pressing plate, and screw nails. The screw nails penetrate through the pressing plate and the module in turn and then is connected with the pressing head. The pressing head is a circular ring-shaped body, and one end face is an inclined plane knife edge. The module is a circular ring-shaped body, and the inner edge of the end face is a knife edge which is matched with the inclined plane knife edge of the pressing head. The utility model has the advantages of simple structure, convenient manufacture, convenient use, and wide application range.

Description

The cut-press type hole making drill

The utility model relates to a kind of metal drilling tool, is a kind of cut-press type hole making drill specifically.

Perforate on traditional metallic plate can be placed on the drilling machine and hole, and also can hole with pincers worker.But some big or long workpiece should not adopt drilling machine boring, can only hole with pincers worker.Pincers worker boring as run into and will bore big hole can not once-forming, can only the many aperture of subdrilling, with chisel aperture is carved at interval logically again, and knock out, be rasped to hole shape with half-round file again, when this method utmost point is taken a lot of work, and the coarse injustice of machining hole actinal surface.A kind of import way-type drilling unit is also arranged at present, and it is bored by centralized positioning fluted drill and multitool and is combined into, with the perforate of this kind instrument, can once-forming though can bore bigger hole, and this kind way-type drilling unit manufacturing process complexity, cost an arm and a leg and lack service life.

The purpose of this utility model is to provide a kind of, simple in structure, easy manufacturing, easy to use, widely applicable cut-press type hole making drill.

To achieve these goals, the utility model adopts following technical scheme: a kind of cut-press type hole making drill, it is characterized in that: it is made up of pressure head, module, pressing plate and screw, this screw connects this pressure head after passing this pressing plate and this module successively, this pressure head is that circular body, an end face are the inclined-plane otch, this module is that the inner edge of circular body, end face is the edge of a knife, and the inclined-plane edge of a knife of this edge of a knife and pressure head is complementary.

Good effect of the present utility model is: simple in structure, easy manufacturing, cost are low, not easy to wear, and the grinding edge of a knife is easy, long service life; Be used for 3mm with down to the perforate of 0.2mm steel plate, need not to add cooling fluid, do not have smear metal, be split into the orifice edge polishing, do not need hand finish; Easy to use, flexible, but hole and cut shunting, hole processing, but porous perforate simultaneously, adapt to wide, narrow to status such as eminence building, ditch, groove, tunnel and casings especially, sized devices is all applicable.

Below in conjunction with drawings and Examples the utility model is elaborated.

Fig. 1 is preferred embodiment structural representation of the utility model;

Fig. 2 is another preferred embodiment structural representation of the utility model;

Fig. 3 is the utility model two preferred embodiment structural representations in addition.

Seeing also shown in the figure l, is preferred embodiment of the utility model.It is made up of pressure head 1, module 2, pressing plate 3 and screw 4.Pressure head l is that circular body, an end face are the inclined-plane edge of a knife 11, and centre bore is provided with the screw thread that is complementary with screw 4.Module 2 is that the edge of a knife 21, this edge of a knife 21 are complementary with the inclined-plane edge of a knife 1l of pressure head 1 for the inner edge of circular body, end face.The design of module 2 can be the two-sided edge of a knife, so that can positive and negative use life-saving.Pass pressing plate 3 and module 2 back screw-in pressure head l successively by screw 4 during combination.Screw 4 is provided with buckles circle 5.During use, at first need on the center of perforate at steel plate 6, with small-sized electric drill hole of big bradawl according to perforate, then pressure head 1 is put a side at steel plate, again screw 4 is passed pressing plate 1, module 2 and steel plate hole successively, screw in pressure head 1, make the pressure head 1 inclined-plane edge of a knife cut steel plate gradually, finish until perforate, the time that a screw is wrenched in a needization cost, opened a hole.

Seeing also shown in Figure 2ly again, is another preferred embodiment of the utility model.Present embodiment and above-mentioned preferred embodiment difference are: pressing plate and module are that one is formed, and promptly pressing plate and module can be structure as a whole, and simplified structure is increased two fabrication holes 30 at module 20 back sides, to release the perforate section.The utility model is suitable to opening little hole.

Please consulting shown in Figure 3ly again, is in addition two preferred embodiments of the utility model.A utility model and an above-mentioned preferred embodiment, another preferred embodiment difference are: pressure head 53 centre bores are not established screw thread, and screw 50 passes module 51, steel plate 52 and pressure head 53 successively, screw in a nut 54.Module 51 back sides and screw 50 faying faces are provided with pin 55, with dog screw 50.During use, pull nut 54, make pressure head 53 cut steel plate gradually, finish until perforate.The utility model katal macropore that suits.

Claims

1. cut-press type hole making drill, it is characterized in that: it is made up of pressure head, module, pressing plate and screw, this screw connects this pressure head after passing this pressing plate and this module successively, this pressure head is that circular body, an end face are the inclined-plane edge of a knife, this module is that the inner edge of circular body, end face is the edge of a knife, and the inclined-plane edge of a knife of this edge of a knife and pressure head is complementary.

2. cut-press type hole making drill according to claim 1 is characterized in that: the two-sided edge of a knife of described module tool.

3. cut-press type hole making drill according to claim 1 is characterized in that: described pressing plate and described module can be structure as a whole.