CN113681058A

CN113681058A - Automatic chamfering mechanism for drill bit structure

Info

Publication number: CN113681058A
Application number: CN202110988242.6A
Authority: CN
Inventors: 范月洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2021-11-23

Abstract

The invention relates to the technical field of chamfering mechanisms, and discloses an automatic chamfering mechanism for a drill bit structure, which comprises a connecting sleeve I, wherein a sliding groove is formed in the top of an inner cavity of the connecting sleeve I, an upper clamping plate is arranged at the top of the inner cavity of the connecting sleeve I and positioned on the inner side of the sliding groove, the bottom of the inner cavity of the connecting sleeve I is in threaded connection with a connecting sleeve II, and a limiting clamping plate extending into the sliding groove is arranged at the top end of the connecting sleeve II. This an automatic chamfering mechanism for in drill bit structure, to connecting sleeve I, connecting sleeve II and elastic airbag's setting, utilize relative movement between connecting sleeve I and the connecting sleeve II to extrude elastic airbag, cause it to take place deformation then stable joint on the specific position of drill bit structure surface, and then utilize annular cutter to carry out the chamfer operation to this hole site automatically after the drill bit structure feeds to specific degree of depth, easy operation and controllability are higher, improve its machining efficiency to the work piece hole site effectively.

Description

Automatic chamfering mechanism for drill bit structure

Technical Field

The invention relates to the technical field of chamfering mechanisms, in particular to an automatic chamfering mechanism for a drill bit structure.

Background

Hole site processing is the most common technical process in machining, which is an indispensable part in the process of processing products, at present, in the hole site processing technology, it is more accurate and convenient to utilize a drill bit rotating at a high speed to realize the drilling processing of workpieces or products, and after the hole site processing is completed, in order to eliminate the phenomena of burrs and stress concentration generated during the drilling, and simultaneously, in order to facilitate the assembly of parts, the chamfering process needs to be performed.

And the drill bit of utilization more big specification that current chamfer to the hole site adopted more feeds certain degree of depth with the cutting, and then realize the processing to the hole site chamfer, but this kind of chamfer processing technique, need frequent change the drill bit at the in-process of carrying out processing to the hole site of work piece, and then greatly influenced its machining efficiency to the work piece hole site, or changed the work piece that the hole site has processed to another equipment and carried out chamfer processing, thereby need be to the repeated clamping location of carrying on of work piece, operating procedure is comparatively heavy and efficiency is comparatively low, waste time and energy.

Therefore, there is a need for an automatic chamfering mechanism (especially for blind hole machining) for a drill bit, so as to achieve chamfering on the drill bit during drilling, and further effectively optimize the operation procedure for hole position machining of a workpiece.

Disclosure of Invention

Technical problem to be solved

The invention provides an automatic chamfering mechanism for a drill bit structure, which has the advantages of capability of realizing chamfering processing on the drill bit structure in the drilling process, simplification of an operation process of the automatic chamfering mechanism for a hole position of a workpiece, higher processing efficiency for the hole position of the workpiece and simplicity in operation, and solves the problems that the drill bit needs to be frequently replaced in the process of processing the hole position of the workpiece, so that the processing efficiency of the automatic chamfering mechanism for the hole position of the workpiece is greatly influenced, or the workpiece processed in the hole position needs to be replaced by another device for chamfering processing, so that the workpiece needs to be repeatedly clamped and positioned, the operation process is heavy, the efficiency is low, and time and labor are wasted.

(II) technical scheme

The invention provides the following technical scheme: the utility model provides an automatic chamfer mechanism for among drill bit structure, includes connecting sleeve I, the spout has been seted up at the top of I inner chamber of connecting sleeve, the top of I inner chamber of connecting sleeve and the inboard that is located the spout are equipped with the punch holder, the bottom threaded connection of I inner chamber of connecting sleeve has connecting sleeve II, and the top of connecting sleeve II is equipped with the spacing cardboard that extends to the spout inside, the bottom of II inner chambers of connecting sleeve is equipped with the lower plate, the bottom fixed mounting of connecting sleeve I has annular cutter, through elasticity gasbag fixed connection between the punch holder on the connecting sleeve I and the II punch holder of connecting sleeve, the drill bit structure has been cup jointed to the inside of elasticity gasbag, and the both ends of drill bit structure extend to the top of connecting sleeve I and annular cutter's bottom respectively.

Preferably, the elastic air bag is filled with a full volume of shear thickening liquid, and the upper side and the lower side of the outer surface of the elastic air bag are respectively fixedly connected with the inner wall of the upper clamping plate and the inner wall of the lower clamping plate.

Preferably, the outer surfaces of the upper clamping plate and the lower clamping plate are both designed to be of a conical structure, and the upper clamping plate is in frictional contact with the connecting sleeve I and the connecting sleeve II and the lower clamping plate.

Preferably, the outer diameter of the annular cutter is smaller than the inner diameter of the bottom of the inner cavity of the connecting sleeve II, and the bottom of the outer surface of the annular cutter is provided with an inclined cutting groove which is the same as the cutting and feeding direction of the drill bit structure.

(III) advantageous effects

The invention has the following beneficial effects:

1. this an automatic chamfering mechanism for in drill bit structure, to connecting sleeve I, connecting sleeve II and elastic airbag's setting, utilize relative movement between connecting sleeve I and the connecting sleeve II to extrude elastic airbag, cause it to take place deformation then stable joint is on the particular position of drill bit structure surface, and then utilize annular cutter to carry out the chamfer operation to this hole site automatically after the drill bit structure feeds to specific degree of depth, compare with current chamfer technique, when carrying out the chamfer operation to the hole site of work piece, need not change more big specification's drill bit in order to realize the chamfer operation to it, or fix a position this work piece clamping again to other drilling beds on in order to carry out the chamfer operation to it, easy operation and controllability are higher, improve its machining efficiency to the work piece hole site effectively.

2. This an automatic chamfer mechanism for in drill bit structure, to the setting of the inside shear thickening liquid that fills of elasticity gasbag, utilize the characteristic that shear thickening liquid is unique, take place the contact when the edge of annular cutter and hole site, utilize the liquid medium of its produced shock impact in with the elasticity gasbag inner chamber to change solid-like medium into, and then increase this automatic chamfer mechanism's the structural fastness of drill bit effectively, make its in-process at the chamfer can not take place relative gliding phenomenon, stability and reliability are higher.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the structure of the present invention;

fig. 3 is a left side view of the inventive arrangement.

In the figure: 1. a connecting sleeve I; 2. a chute; 3. an upper splint; 4. a connecting sleeve II; 5. a limiting clamping plate; 6. a lower splint; 7. an annular cutter; 8. an elastic air bag; 9. a drill bit structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an automatic chamfering mechanism for use in a drill structure includes a connecting sleeve i 1, a chute 2 is formed at the top of an inner cavity of the connecting sleeve i 1, an upper clamp plate 3 is disposed at the top of the inner cavity of the connecting sleeve i 1 and on the inner side of the chute 2, a connecting sleeve ii 4 is connected to the bottom of the inner cavity of the connecting sleeve i 1 in a threaded manner, a limiting clamping plate 5 extending into the sliding groove 2 is arranged at the top end of the connecting sleeve II 4, a lower clamping plate 6 is arranged at the bottom of the inner cavity of the connecting sleeve II 4, an annular cutter 7 is fixedly arranged at the bottom end of the connecting sleeve I1, an upper clamping plate 3 on the connecting sleeve I1 is fixedly connected with the upper clamping plate 6 and the lower clamping plate 6 of the connecting sleeve II 4 through an elastic air bag 8, a drill bit structure 9 is sleeved in the elastic air bag 8, and the two ends of the drill bit structure 9 respectively extend to the top of the connecting sleeve I1 and the bottom of the annular cutter 7.

Wherein, all be equipped with planar structure's draw-in groove at the surface of connecting sleeve I1 and connecting sleeve II 4 to utilize the instrument to drive connecting sleeve I1 and connecting sleeve II 4 and do the ascending rotation action of opposite direction, and then chucking or not hard up this automatic chamfering mechanism.

In this technical scheme, the inside of elasticity gasbag 8 is filled with the shear thickening liquid of full volume, and the upper and lower both sides of surface respectively with the inner wall of punch holder 3 and the inner wall fixed connection of lower plate 6.

Wherein, to the setting of connecting sleeve I1, II 4 of connecting sleeve and elastic air bag 8 and the inside shear thickening liquid that fills to utilize relative movement between I1 of connecting sleeve and II 4 of connecting sleeve to extrude elastic air bag 8, cause it to take place deformation then stable joint on the particular position of drill bit structure 9, prevent that it from taking place not hard up the phenomenon of landing.

Simultaneously, to the setting of the inside shear thickening liquid that fills of elasticity gasbag 8, utilize shear thickening liquid characteristic, take place the contact when the edge of annular cutter 7 and hole site, utilize the shock that its produced to strike the liquid medium in the 8 inner chambers of elasticity gasbag to change solid-like medium into, further increase the fastness of this automatic chamfer mechanism on drill bit structure 9, make its in-process at the chamfer can not take place gliding phenomenon.

Among this technical scheme, the surface of punch holder 3 and lower plate 6 all establishes to the toper structure, and all establishes to frictional contact's connected mode between punch holder 3 and adapter sleeve I1 and adapter sleeve II 4 and the lower plate 6.

Wherein, to the setting of upper plate 3 and lower plate 6 to produced pressure is steadily extruded effectively and is transmitted to elastic air bag 8 when moving each other between adapter sleeve I1 and the adapter sleeve II 4, so that it can be inseparable laminating on the surface of drill bit structure 9, with the friction area who increases between its and the drill bit structure 9, has improved joint strength.

In the technical scheme, the outer diameter of the annular cutter 7 is smaller than the inner diameter of the bottom of the inner cavity of the connecting sleeve II 4, and the bottom of the outer surface of the annular cutter 7 is provided with an inclined cutting groove which is the same as the cutting and feeding direction of the drill bit structure 9.

The use method and the working principle of the embodiment are as follows:

firstly, the automatic chamfering mechanism is sleeved on a position set by a drill bit structure 9 according to the depth of a hole to be punched, then the connecting sleeve I1 and the connecting sleeve II 4 are respectively rotated and the upper clamping plate 3 and the lower clamping plate 6 on the connecting sleeve II are driven to move relatively to extrude the elastic air bag 8, so that the inner wall of the elastic air bag 8 is tightly attached to the outer surface of the drill bit structure 9, then the drill bit structure 9 is fixedly arranged on a drill bit chuck of a drilling machine, the drilling machine is started to drive the drill bit structure 9 and the automatic chamfering mechanism on the drill bit structure 9 to rotate, when the drill bit structure 9 is fed to the set depth, an annular cutter 7 fixedly arranged on the lower clamping plate 6 is contacted with a hole position on the surface of a workpiece, and then the automatic chamfering operation is carried out on the hole position without replacing a drill bit with a larger specification to realize the chamfering operation of the drill bit structure, or the workpiece is clamped and positioned on other drilling machines again to carry out the chamfering operation on the workpiece, the operation is simple and the controllability is high.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic chamfer mechanism for in drill bit structure, includes connecting sleeve I (1), its characterized in that: the top of the inner cavity of the connecting sleeve I (1) is provided with a sliding chute (2), the top of the inner cavity of the connecting sleeve I (1) and the inner side of the sliding chute (2) are provided with an upper clamping plate (3), the bottom of the inner cavity of the connecting sleeve I (1) is in threaded connection with a connecting sleeve II (4), and the top end of the connecting sleeve II (4) is provided with a limit clamping plate (5) extending to the inside of the sliding chute (2), a lower clamping plate (6) is arranged at the bottom of the inner cavity of the connecting sleeve II (4), an annular cutter (7) is fixedly arranged at the bottom end of the connecting sleeve I (1), the upper clamping plate (3) on the connecting sleeve I (1) is fixedly connected with the upper clamping plate (6) on the connecting sleeve II (4) through an elastic air bag (8), a drill bit structure (9) is sleeved in the elastic air bag (8), and two ends of the drill bit structure (9) respectively extend to the top of the connecting sleeve I (1) and the bottom of the annular cutter (7).

2. An automatic chamfering mechanism for use in a drill bit structure as claimed in claim 1, wherein: the elastic air bag (8) is filled with a full volume of shear thickening liquid, and the upper side and the lower side of the outer surface of the elastic air bag are fixedly connected with the inner wall of the upper clamping plate (3) and the inner wall of the lower clamping plate (6) respectively.

3. An automatic chamfering mechanism for use in a drill bit structure as claimed in claim 2, wherein: the outer surfaces of the upper clamping plate (3) and the lower clamping plate (6) are both designed to be of conical structures, and the upper clamping plate (3) is connected with the connecting sleeve I (1) and the connecting sleeve II (4) is connected with the lower clamping plate (6) in a friction contact mode.

4. An automatic chamfering mechanism for use in a drill bit structure as claimed in claim 3, wherein: the outer diameter of the annular cutter (7) is smaller than the inner diameter of the bottom of the inner cavity of the connecting sleeve II (4), and the bottom of the outer surface of the annular cutter (7) is provided with an inclined cutting groove which is the same as the cutting and feeding direction of the drill bit structure (9).