CN208787616U - Drill bit and drilling equipment - Google Patents

Abstract

The utility model discloses a kind of drill bit and drilling equipment, the drill bit includes: cutting body, and one end of the cutting body is equipped with the first cutting portion；Connector, the connector include opposite first end and second end, and the first end is connect with the other end of the cutting body；And knife handle, one end of the knife handle are connect with the second end, the diameter of the knife handle is greater than the diameter of the connector, and the diameter of the connector is greater than the diameter of the cutting body；The drill bit is by being provided with connector, the connection of the end of connector and cutting body, and then the power for being applied to cutting body end can be dispersed to the connector, in turn, it avoids drill bit stress concentration occur in the end of cutting body and be broken, improves the service life of drill bit；The drilling equipment includes above-mentioned drill bit, and therefore, when in use, drill bit does not allow easy fracture to the drilling equipment, and then improves the processing efficiency of drilling equipment.

Description

Drill bit and drilling equipment

Technical field

The utility model relates to metal cutting process technical fields, more particularly to a kind of drill bit and drilling equipment.

Background technique

Brass part micro-hole (diameter is less than or equal to 1mm) processing drill generally uses unit-type drill head at present, as wolfram steel is micro- It bores.In actual use, when the micro- brill of wolfram steel processes brass aperture, since the chip removal ability of drill bit is insufficient, slight burr is had It generates, when processing capacity reaches 600 or more, the burr of generation becomes more, and when processing capacity reaches 900 or more, drill bit is easily It is broken, and then increases the processing cost of enterprise.

Summary of the invention

Based on this, aiming at the problem that traditional drill bit is easily broken off in process, a kind of drill bit and drilling are proposed Device, the drill bit are connected by the end of connector and cutting body by setting connector, make the power for being applied to cutting body end It can be dispersed to the connector, in turn, drill bit is avoided and stress concentration occur in the end of cutting body and be broken, improve brill The service life of head；The drilling equipment includes above-mentioned drill bit, and therefore, when in use, drill bit does not allow easy fracture to the drilling equipment, into And improve the processing efficiency of drilling equipment.

Specific technical solution is as follows:

On the one hand, this application involves a kind of drill bits, comprising: one end of cutting body, the cutting body is equipped with the first cutting portion； Connector, the connector include opposite first end and second end, and the first end is connect with the other end of the cutting body； And knife handle, one end of the knife handle are connect with the second end, the diameter of the knife handle is greater than the diameter of the connector, described The diameter of connector is greater than the diameter of the cutting body.

Above-mentioned drill bit when in use, due to the cutting body one end be equipped with the first cutting portion, the first end with it is described The other end of cutting body connects, and the diameter of the knife handle is greater than the diameter of the connector, and the diameter of the connector is greater than The diameter of the cutting body, therefore, the diameter of the drill bit along the direction of the cutting body, the connector and the knife handle by Gradual change is big, therefore, when the reaction force that first cutting portion is in machining, and part to be processed applies the cutting body There is no the ends that the cutting body is applied in complete set, but have partial action power to be dispersed to the connector, therefore, quilt Processing part is insufficient to allow the cutting body to be broken the reaction force that the cutting body applies, and in turn, improves described The service life of drill bit.

Technical solution is illustrated further below:

It in one of the embodiments, further include straight type chip pocket, being set into bits end for the straight type chip pocket is described First cutting portion, the side wall for going out bits end and being set to the connector of the straight type chip pocket.

The first end further includes the second cutting portion for processing chamfering in one of the embodiments, and described second Cutting portion is connect with the other end of the cutting body.

In one of the embodiments, the length of the straight type chip pocket be greater than second cutting portion length with it is described The sum of length of cutting body.

The length of the cutting body of the length of the connector less than or equal to 4 times in one of the embodiments,.

The knife handle includes knife handle ontology and round table-like transition body, the round table-like transition in one of the embodiments, The big end of body is connect with the knife handle ontology, and the small end of the round table-like transition body is connect with the second end, described round table-like The diameter of the big end of transition body is equal to the diameter of the knife handle ontology, and the diameter of the small end of the round table-like transition body is equal to described The diameter of second end.

The big end of the round table-like transition body is detachably connected with the knife handle ontology in one of the embodiments,.

The quantity of the straight type chip pocket is two in one of the embodiments, and two straight type chip pockets are opposite Setting.

The cutting body is round table-like cutting body in one of the embodiments,.

On the other hand, the application further relates to a kind of drilling equipment, including drill bit.

Above-mentioned drilling equipment when in use, since the drilling equipment includes above-mentioned drill bit, and one end of the cutting body Equipped with the first cutting portion, the first end is connect with the other end of the cutting body, and the diameter of the knife handle is greater than the company The diameter of junctor, the diameter of the connector are greater than the diameter of the cutting body, and therefore, the diameter of the drill bit is along the cutting The direction of body, the connector and the knife handle becomes larger, and therefore, when first cutting portion is in machining, is added There is no the ends that the cutting body is applied in complete set to the reaction force that the cutting body applies for work part, but have portion It is allocated as firmly being dispersed to the connector, therefore, part to be processed is insufficient to allow institute to the reaction force that the cutting body applies It states cutting body to be broken, in turn, improves the service life of the drill bit.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of drill bit；

Fig. 2 is the partial enlarged view of A in Fig. 1.

Description of symbols:

10, drill bit, 100, cutting body, the 110, first cutting portion, 120, straight type chip pocket, 200, connector, 210, second Cutting portion, 300, knife handle, 310, knife handle ontology, 320, round table-like transition body.

Specific embodiment

It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein Only to explain the utility model, the protection scope of the utility model is not limited.

It should be noted that it can directly on the other element when element is referred to as " being set to " another element Or there may also be elements placed in the middle.When element is referred to as " being fixedly arranged on " another element, it can be directly in another yuan On part or there may also be elements placed in the middle.When an element is considered as " connection " another element, it be can be directly It is connected to another element or may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", "left", "right" and similar statement for illustrative purposes only, are not meant to be the only embodiment.

It is important to point out that when element is referred to as " being fixedly arranged on " another element, two elements can be it is integrated, It can be and be detachably connected between two elements.

Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specifically embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet Include any and all combinations of one or more related listed items.

In addition it is also necessary to understand, in the present embodiment, term "lower", "upper", "front", "rear", "left", "right", "inner", "outside", "top", "bottom", " side ", " other side ", " one end ", " other end ", etc. indicated by positional relationship be based on Positional relationship shown in the drawings；The terms such as " first ", " second " are to distinguish different structure members.These terms are only Convenient for description the utility model and simplify description, should not be understood as limiting the present invention.

As depicted in figs. 1 and 2, one of embodiment drill bit 10, comprising: cutting body 100, one end of cutting body 100 Equipped with the first cutting portion 110；Connector 200, connector 200 include opposite first end and second end, first end and cutting body 100 other end connection；And knife handle 300, one end of knife handle 300 are connect with second end, the diameter of knife handle 300 is greater than connector 200 diameter, the diameter of connector 200 are greater than the diameter of cutting body 100.

Above-mentioned drill bit 10 when in use, due to cutting body 100 one end be equipped with the first cutting portion 110, first end and cutting The other end of body 100 connects, and the diameter of knife handle 300 is greater than the diameter of connector 200, and the diameter of connector 200 is greater than cutting The diameter of body 100, therefore, the diameter of drill bit 10 become larger along the direction of cutting body 100, connector 200 and knife handle 300, because This, when the first cutting portion 110 is in machining, there is no complete to the reaction force that cutting body 100 applies for part to be processed It concentrates and is applied to the end of cutting body 100, but there is partial action power to be dispersed to connector 200, therefore, part to be processed is to cutting The reaction force for cutting the application of body 100 is insufficient to allow cutting body 100 to be broken, and in turn, improves the service life of drill bit 10.

As depicted in figs. 1 and 2, on the basis of the above embodiments, the drill bit 10 further includes straight type chip pocket 120, straight type Chip pocket 120 is set to the first cutting portion 110, the side for going out bits end and being set to connector 200 of straight type chip pocket 120 into bits end Wall.In this way, shortening chip removal of the cutting body 100 in cutting process compared to helicla flute by the way that straight type chip pocket 120 is arranged Path, reduces the chip removal resistance of cutting body 100, and then burr is avoided to generate, to promote the service life of drill bit 10.

As depicted in figs. 1 and 2, based on any of the above embodiments, first end further includes for processing chamfering Two cutting portions 210, the second cutting portion 210 are connect with the other end of cutting body 100.In this way, the second cutting portion 210 on the one hand can be with For processing chamfering, the metal fillings that on the other hand can be used for removing the end for remaining in hole avoids burr from generating in turn, from And promote the service life of drill bit 10.On the basis of this embodiment, the length of straight type chip pocket 120 is greater than the second cutting portion 210 length and the sum of the length of cutting body 100.So, it is ensured that in process, metal fillings can be along straight type chip pocket 120 are completely exhausted out.

Based on any of the above embodiments, the length of cutting body 100 of the length of connector 200 less than or equal to 4 times Degree.In this way, avoiding the drill bit 10 that causes because length is too long of connector 200, connector 200 is easily broken off when in use.

As shown in Figure 1, based on any of the above embodiments, knife handle 300 includes knife handle ontology 310 and round table-like transition The big end of body 320, round table-like transition body 320 is connect with knife handle ontology 310, and the small end and second end of round table-like transition body 320 connect Connect, the diameter of the big end of round table-like transition body 320 is equal to the diameter of knife handle ontology 310, the small end of round table-like transition body 320 it is straight Diameter is equal to the diameter of second end；Since the diameter of round table-like transition body 320 is gradually incremented by along the direction of small end to big end, by Round table-like transition body 320 is set between connector 200 and knife handle ontology 310, avoid the diameter of drill bit 10 along connector 200 to The direction of knife handle ontology 310 mutates, to avoid generating stress concentration phenomenon in the end of connector 200, causes to connect The fracture of body 200.On the basis of the embodiment, big end and the knife handle ontology 310 of round table-like transition body 320 are detachably connected. So, on the one hand, be conveniently replaceable knife handle ontology 310, while when in use, can only need round table-like transition body 320 and brill The fixture of aperture apparatus connects, and so can reduce processing cost.Realize the big end and knife handle ontology of round table-like transition body 320 310 are detachably connected and can be achieved by the prior art, and will not repeat them here.

Based on any of the above embodiments, the quantity of straight type chip pocket 120 is two, two straight type chip pockets 120 It is oppositely arranged.Chip removal speed is promoted by the way that straight type chip pocket 120 is arranged and increases solid capacity, avoids generating burr.

Based on any of the above embodiments, cutting body 100 is round table-like cutting body 100.In this way, promoting cutting body The stability of 100 cutting work pieces.In this embodiment, the taper of round table-like cutting body 100 is 0.005:1.

On the other hand, an embodiment further relates to a kind of drilling equipment, including drill bit 10.

When in use, since drilling equipment includes above-mentioned drill bit 10, and one end of cutting body 100 is equipped with above-mentioned drilling equipment First cutting portion 110, first end are connect with the other end of cutting body 100, and the diameter of knife handle 300 is greater than the straight of connector 200 Diameter, the diameter of connector 200 are greater than the diameter of cutting body 100, and therefore, the diameter of drill bit 10 is along cutting body 100, connector 200 And the direction of knife handle 300 becomes larger, therefore, when the first cutting portion 110 is in machining, part to be processed is to cutting body There is no the ends that cutting body 100 is applied in complete set for 100 reaction forces applied, but have partial action power to be dispersed to company Junctor 200, therefore, the reaction force that part to be processed applies cutting body 100 are insufficient to allow cutting body 100 to be broken, into And improve the service life of drill bit 10.

Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance Shield all should be considered as described in this specification.

Above embodiments only express the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality With novel protection scope.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of drill bit characterized by comprising

One end of cutting body, the cutting body is equipped with the first cutting portion；

Connector, the connector include opposite first end and second end, the other end of the first end and the cutting body Connection；And

Knife handle, one end of the knife handle are connect with the second end, and the diameter of the knife handle is greater than the diameter of the connector, institute The diameter for stating connector is greater than the diameter of the cutting body.

2. drill bit according to claim 1, which is characterized in that further include straight type chip pocket, the straight type chip pocket into Bits end is set to first cutting portion, the side wall for going out bits end and being set to the connector of the straight type chip pocket.

3. drill bit according to claim 2, which is characterized in that the first end further includes cutting for processing the second of chamfering Portion is cut, second cutting portion is connect with the other end of the cutting body.

4. drill bit according to claim 3, which is characterized in that the length of the straight type chip pocket is greater than second cutting The sum of the length of the length in portion and the cutting body.

5. drill bit according to claim 1, which is characterized in that the length of the connector is described less than or equal to 4 times The length of cutting body.

6. drill bit according to claim 1, which is characterized in that the knife handle includes knife handle ontology and round table-like transition body, The big end of the round table-like transition body is connect with the knife handle ontology, and the small end of the round table-like transition body and the second end connect It connects, the diameter of the big end of the round table-like transition body is equal to the diameter of the knife handle ontology, the small end of the round table-like transition body Diameter be equal to the second end diameter.

7. drill bit according to claim 6, which is characterized in that the big end of the round table-like transition body and the knife handle ontology It is detachably connected.

8. drill bit according to claim 2, which is characterized in that the quantity of the straight type chip pocket is two, described in two Straight type chip pocket is oppositely arranged.

9. drill bit according to any one of claims 1 to 8, which is characterized in that the cutting body is round table-like cutting body.

10. a kind of drilling equipment, which is characterized in that including the described in any item drill bits of claim 1 to 9.