CN111515424B

CN111515424B - Drilling machine capable of quickly switching drill bits

Info

Publication number: CN111515424B
Application number: CN202010360009.9A
Authority: CN
Inventors: 许华清
Original assignee: Taicang City Lvdian Information Technology Co ltd
Current assignee: TAICANG CITY LVDIAN INFORMATION TECHNOLOGY Co.,Ltd.
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-05-11
Anticipated expiration: 2040-04-30
Also published as: CN111515424A; CN112916893A

Abstract

The invention discloses a drilling machine capable of quickly switching drill bits, which structurally comprises a drilling machine, a clamping device, a power shaft, a driving device and a quickly-switchable mechanism, wherein the quickly-switchable mechanism consists of a switching disc, a switchable mechanism, drill bits and a protection mechanism, the drilling machine can simultaneously install five different drill bits by utilizing the switching disc so as to be quickly switched and used, the drill bits can be quickly replaced by the switching disc through the switchable mechanism, the switching disc enables the drill bits not to be limited by the friction resistance of the switching disc during rotation by utilizing a bearing ring, the different drill bits under the switching disc are not mutually influenced by each other through a sliding groove, the surface of the drill bits is protected by the switching disc by utilizing the protection mechanism, the drill bits are broken during working, the random sputtering is avoided, the danger is avoided, and the safety of the drill bits is increased.

Description

Drilling machine capable of quickly switching drill bits

Technical Field

The invention relates to the field of drilling machines, in particular to a drilling machine capable of quickly switching drill bits.

Background

The drilling machine is widely applied in modern industry, is common machining equipment, is mainly used for processes such as drilling and tapping, and is divided into a common drilling machine and a numerical control drilling machine. In modern machining, two or more processes of drilling, reaming, spot facing, reaming and tapping of a workpiece are often required to be continuously completed so as to improve the accuracy of the shape, size, position and the like of a workpiece hole, reduce the times of loading, unloading and positioning and improve the production efficiency.

The drill bit of current drilling machine can only be fixed one, so add the in-process and just need change the drill bit when adding man-hour, or process with another drilling machine, however the operation flow of these methods is all very loaded down with trivial details, can have in the operation difficult location, machining precision and inefficiency scheduling shortcoming unavoidably, influence the processing progress to the drill bit probably breaks after using for a long time, the during operation drill bit fracture can appear sputtering and all have certain danger to machinery or operating personnel.

Disclosure of Invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the utility model provides a but drilling machine of fast switch-over drill bit, its structure includes drilling machine, clamping device, power shaft, drive arrangement, but fast switching mechanism, the drilling machine top on be equipped with drive arrangement, the drilling machine front end on be equipped with clamping device, drilling machine and clamping device be connected, the drive arrangement bottom have the power shaft, drive arrangement and power shaft one end mechanical connection, the power shaft other end on be equipped with fast switching mechanism, but fast switching mechanism and drive arrangement swing joint.

As a further optimization of the technical scheme, a cross-shaped lug is arranged below the bottom end of the power shaft, and the power shaft and the cross-shaped lug are of an integrated structure.

As a further optimization of the technical scheme, the rapid switching mechanism comprises a switching disc, a switching mechanism, drill bits and a protection mechanism, the switching mechanism is arranged at the middle position of the top end of the switching disc, the switching disc is movably connected with the switching mechanism, five drill bits are distributed at equal intervals under the bottom end of the switching disc, the switching disc and the drill bits are in clearance fit, the surface of each drill bit is provided with the protection mechanism, and the protection mechanism is connected with the switching disc.

As a further optimization of this technical scheme, the switching dish still include pressure spring, race ring, guide ring, magnet circle, spout, the switching dish inboard five spouts of equidistance distribution, spout inboard on be equipped with the race ring, spout and race ring sliding fit, race ring bottom under install the pressure spring, the spout top on be equipped with the guide ring, guide ring and switching dish fixed connection, the guide ring inboard on be equipped with the magnet circle, guide ring and magnet circle be connected.

As further optimization of this technical scheme, the shifter constitute by jib, T type pole, extension spring, spacing ring, the inboard top of jib under install the extension spring, the jib inboard on be equipped with T type pole, jib and T type pole one end be connected through the extension spring, jib bottom under have the spacing ring, jib and spacing ring threaded connection.

As a further optimization of the technical scheme, a cross slot is formed in the middle of the top end of the drill bit.

As a further optimization of this technical scheme, protection machanism constitute by telescope tube, flexible protective cylinder, lubricating oil film, striking off the sword ring, telescope tube inboard have a flexible protective cylinder, telescope tube and flexible protective cylinder sliding fit, flexible protective cylinder inboard on be equipped with lubricating oil film, flexible protective cylinder bottom have the sword ring of striking off, flexible protective cylinder with strike off sword ring swing joint.

As a further optimization of the technical scheme, the inner side of the scraping knife ring is provided with an erasing sealing ring, and the scraping knife ring is connected with the erasing sealing ring through glue.

As a further optimization of the technical scheme, the T-shaped rod and the switching plate are welded through electric welding.

As a further optimization of the technical scheme, the top end of the drill bit is buckled on the bearing ring and used for preventing the drill bit from disengaging.

As the further optimization of the technical scheme, the erasing sealing ring is made of rubber materials, so that the leakage of lubricating oil is reduced.

As a further optimization of the technical scheme, the power shaft and the drill bit are buckled through the cross-shaped convex block and the cross-shaped slot.

Advantageous effects

The invention relates to a drilling machine capable of quickly switching drill bits, when the drill bits need to be replaced, a switching disc is pulled downwards, the switching disc drives a tension spring to slide downwards for a short distance through a T-shaped rod, so that the switching disc is separated from a power shaft, the switching disc is rotated, the required drill bits and the power shaft are in the same row, the switching disc is loosened, a suspender utilizes the tension spring to pull the T-shaped rod back to the original position, so that the switching disc drives the drill bits to be attached to the power shaft, the switching disc guides the power shaft to enter a chute in the switching disc through a guide ring, and utilizes a magnet ring on the inner side of the guide ring to be adsorbed on the power shaft, so as to increase the relation between the switching disc and the power shaft, the drill bits are buckled with a cross-shaped lug below the power shaft through cross-shaped slots, the power shaft is driven to rotate through a driving device, the power shaft transmits kinetic energy to the drill, when the drill drills a workpiece, the driving device drives the power shaft to move downwards, the power shaft pushes the drill, the drill slides in the chute in the switching disc by utilizing the bearing ring, so that different drills under the switching disc are not affected by each other, after drilling is finished, the bearing ring is driven to return to the original position by the pressure spring, the upper end position of the drill bit is vertically bound by the switching disc through the telescopic sleeve, the surface of the lower end of the drill bit is protected by the telescopic protection cylinder, so that the drill bit is broken during working and can not be randomly sputtered to cause danger to machinery or operators, the safety usability of the drill bit is increased, the telescopic protective cylinder reduces the friction resistance between the telescopic protective cylinder and the drill bit through a lubricating oil film, the telescopic protective cylinder cleans the bottom end of the drill bit by utilizing a scraping cutter ring, and the scraping cutter ring reduces the leakage of a lubricating oil film by erasing the sealing ring and can scrub the bottom end of the drill bit by erasing the sealing ring.

Compared with the prior art, the invention has the beneficial effects that: the drilling machine utilizes the switching dish can install five different drill bits simultaneously, in order that it can be quick conversion use, the switching dish passes through the change drill bit that the shifter can be quick, the switching dish utilizes the race ring to make the drill bit can not receive the restriction of switching dish frictional resistance in the rotation, and let the different drill bits that switch under the dish mutually not influence through the spout, the switching dish utilizes protection mechanism to protect the drill bit surface, make the drill bit appear the fracture can not random sputter and cause danger to machinery or operating personnel at the during operation, the safety and usability to the drill bit has been increased.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a drilling machine capable of rapidly switching drill bits according to the present invention.

Fig. 2 is a schematic front sectional view illustrating a structure of the fast switching mechanism of the present invention.

FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention.

FIG. 4 is a schematic top view of the drill of the present invention.

Fig. 5 is a schematic structural diagram of the protection mechanism of the present invention.

Fig. 6 is a schematic view of the scraper ring according to the present invention.

In the figure: the drilling machine-1, the clamping device-2, the power shaft-3, the driving device-4, the quick switching mechanism-5, the cross bump-3 a, the switching disc-5 a, the switching mechanism-5 b, the drill bit-5 c, the protection mechanism-5 d, the pressure spring-5 a1, the bearing ring-5 a2, the guide ring-5 a3, the magnet ring-5 a4, the sliding groove-5 a5, the suspension rod-5 b1, the T-shaped rod-5 b2, the tension spring-5 b3, the limit ring-5 b4, the cross slot-5 c1, the telescopic sleeve-5 d1, the telescopic protection cylinder-5 d2, the lubricating-5 d3, the scraping cutter ring-5 d4 and the wiping sealing ring-5 d 41.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Example 1

Referring to fig. 1-6, the present invention provides a drill press capable of fast switching drill bits, which structurally includes a drill press 1, a clamping device 2, a power shaft 3, a driving device 4, and a fast switching mechanism 5, wherein the top end of the drill press 1 is provided with the driving device 4, the front end of the drill press 1 is provided with the clamping device 2, the drill press 1 is connected with the clamping device 2, the power shaft 3 is arranged below the bottom end of the driving device 4, the driving device 4 is mechanically connected with one end of the power shaft 3, the other end of the power shaft 3 is provided with the fast switching mechanism 5, and the fast switching mechanism 5 is movably connected with the driving device 4.

A cross lug 3a is arranged below the bottom end of the power shaft 3, and the power shaft 3 and the cross lug 3a are of an integrated structure.

The rapid switching mechanism 5 comprises a switching disc 5a, a switching mechanism 5b, drill bits 5c and a protection mechanism 5d, the switching mechanism 5b is arranged at the middle position of the top end of the switching disc 5a, the switching disc 5a is movably connected with the switching mechanism 5b, five drill bits 5c are distributed at equal intervals under the bottom end of the switching disc 5a, the switching disc 5a and the drill bits 5c are in clearance fit, the protection mechanism 5d is arranged on the surface of each drill bit 5c, and the protection mechanism 5d is connected with the switching disc 5 a.

The switching disc 5a further comprises a pressure spring 5a1, a bearing ring 5a2, a guide ring 5a3, a magnet ring 5a4 and a sliding groove 5a5, five sliding grooves 5a5 are equidistantly distributed on the inner side of the switching disc 5a, a bearing ring 5a2 is arranged on the inner side of the sliding groove 5a5, the sliding grooves 5a5 are in sliding fit with the bearing ring 5a2, a pressure spring 5a1 is mounted below the bottom end of the bearing ring 5a2, a guide ring 5a3 is arranged on the top end of the sliding groove 5a5, the guide ring 5a3 is fixedly connected with the switching disc 5a, a magnet ring 5a4 is arranged on the inner side of the guide ring 5a3, and the guide ring 5a3 is connected with the magnet ring 5a 4.

The conversion mechanism 5b comprises a suspender 5b1, a T-shaped rod 5b2, a tension spring 5b3 and a limit ring 5b4, wherein the tension spring 5b3 is installed at the bottom end of the inner side of the suspender 5b1, the T-shaped rod 5b2 is arranged on the inner side of the suspender 5b1, one ends of the suspender 5b1 and the T-shaped rod 5b2 are connected through the tension spring 5b3, the limit ring 5b4 is arranged at the bottom end of the suspender 5b1, and the suspender 5b1 is in threaded connection with the limit ring 5b 4.

The middle position of the top end of the drill bit 5c is provided with a cross slot 5c 1.

The principle of the embodiment: when the drill bit 5c needs to be replaced, the switching disc 5a is pulled downwards, the switching disc 5a drives the tension spring 5b3 to slide downwards for a short distance through the T-shaped rod 5b2, so that the switching disc 5a is separated from the power shaft 3, the switching disc 5a is rotated, the required drill bit 5c and the power shaft 3 are in the same column, the switching disc 5a is loosened, the hanger rod 5b1 utilizes the tension spring 5b3 to pull the T-shaped rod 5b2 back to the original position, so that the switching disc 5a drives the drill bit 5c to be attached to the power shaft 3, the switching disc 5a guides the power shaft 3 to enter the chute 5a5 in the switching disc 5a through the guide ring 5a3, and is adsorbed on the power shaft 3 through the magnet ring 5a4 inside the guide ring 5a3, the relation between the switching disc 5a and the power shaft 3 is increased, the drill bit 5c is buckled with the cross-shaped lug 3a below the power shaft 3 through the cross-shaped slot 5c1, and drives the, kinetic energy is transmitted to the drill bit 5c by the power shaft 3, the drill bit 5c is not limited by friction resistance of the switching disc 5a when rotating through the bearing ring 5a2, when the drill bit 5c punches a workpiece, the power shaft 3 is driven by the driving device 4 to move downwards, the drill bit 5c is pushed by the power shaft 3, the drill bit 5c slides in the chute 5a5 in the switching disc 5a through the bearing ring 5a2, different drill bits 5c under the switching disc 5a are not affected with each other, and after drilling is completed, the bearing ring 5a2 is driven to return to the original position through the pressure spring 5a 1.

The method for solving the problems in the embodiment is as follows: the drilling machine 1 can simultaneously mount five different drill bits 5c by using the switching disc 5a for fast switching, the switching disc 5a can fast replace the drill bits 5c by using the switching mechanism 5b, the switching disc 5a enables the drill bits 5c to be free from the friction resistance of the switching disc 5a when rotating by using the bearing ring 5a2, and the different drill bits 5c under the switching disc 5a are free from mutual influence by the sliding groove 5a 5.

Example 2

Referring to fig. 1-6, the invention provides a drilling machine capable of rapidly switching drill bits, wherein the protective mechanism 5d comprises a telescopic sleeve 5d1, a telescopic protective sleeve 5d2, a lubricating oil film 5d3 and a scraping cutter ring 5d4, the telescopic protective sleeve 5d2 is arranged below the inner side of the telescopic sleeve 5d1, the telescopic sleeve 5d1 is in sliding fit with the telescopic protective sleeve 5d2, the lubricating oil film 5d3 is arranged on the inner side of the telescopic protective sleeve 5d2, the scraping cutter ring 5d4 is arranged below the bottom end of the telescopic protective sleeve 5d2, and the telescopic protective sleeve 5d2 is movably connected with the scraping cutter ring 5d 4.

The inner side of the scraper knife ring 5d4 is provided with an erasing seal ring 5d41, and the scraper knife ring 5d4 is connected with the erasing seal ring 5d41 through glue.

The T-shaped rod 5b2 and the switching disc 5a are welded through electric welding, the top end of the drill bit 5c is buckled on the bearing ring 5a2 and used for preventing the drill bit 5c from being separated, and the erasing sealing ring 5d41 is made of rubber materials and reduces leakage of lubricating oil.

The principle of the embodiment: the upper end position of the drill bit 5c is vertically bound by the switching disc 5a through the telescopic sleeve 5d1, the lower end surface of the drill bit 5c is protected by the telescopic protection cylinder 5d2, so that the drill bit 5c is broken during working and cannot randomly sputter to cause danger to machinery or operators, safety of the drill bit 5c is improved, friction resistance between the telescopic protection cylinder 5d2 and the drill bit 5c is reduced through the lubricating oil film 5d3, the telescopic protection cylinder 5d2 cleans the bottom end of the drill bit 5c through the scraper ring 5d4, leakage of the lubricating oil film 5d3 is reduced through the scraper sealing ring 5d41 by the scraper ring 5d4, and the bottom end of the drill bit 5c can be scrubbed through the scraper sealing ring 5d 41.

The method for solving the problems in the embodiment is as follows: the switching disc 5a protects the surface of the drill bit 5c by the protection mechanism 5d, so that the drill bit 5c is broken during working and cannot be randomly sputtered to cause danger to machinery or operators, and the safety of the drill bit 5c is improved.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a but drilling machine of fast switch-over drill bit, its structure includes drilling machine (1), clamping device (2), power axle (3), drive arrangement (4), but fast switch-over mechanism (5), its characterized in that: the drilling machine is characterized in that a driving device (4) is arranged at the top end of the drilling machine (1), a clamping device (2) is arranged at the front end of the drilling machine (1), the drilling machine (1) is connected with the clamping device (2), a power shaft (3) is arranged below the bottom end of the driving device (4), the driving device (4) is mechanically connected with one end of the power shaft (3), a mechanism (5) capable of switching rapidly is arranged at the other end of the power shaft (3), and the mechanism (5) capable of switching rapidly is movably connected with the driving device (4);

a cross lug (3a) is arranged below the bottom end of the power shaft (3), and the power shaft (3) and the cross lug (3a) are of an integrated structure;

the fast switching mechanism (5) consists of a switching disc (5a), a switching mechanism (5b), drill bits (5c) and a protection mechanism (5d), the switching mechanism (5b) is arranged in the middle of the top end of the switching disc (5a), the switching disc (5a) is movably connected with the switching mechanism (5b), five drill bits (5c) are distributed at equal intervals under the bottom end of the switching disc (5a), the switching disc (5a) and the drill bits (5c) are in clearance fit, the protection mechanism (5d) is arranged on the surface of each drill bit (5c), and the protection mechanism (5d) is connected with the switching disc (5 a);

the switching disc (5a) further comprises a pressure spring (5a1), a bearing ring (5a2), a guide ring (5a3), a magnet ring (5a4) and a sliding groove (5a5), five sliding grooves (5a5) are distributed on the inner side of the switching disc (5a) at equal intervals, a bearing ring (5a2) is arranged on the inner side of the sliding groove (5a5), the sliding groove (5a5) is in sliding fit with the bearing ring (5a2), a pressure spring (5a1) is mounted below the bottom end of the bearing ring (5a2), a guide ring (5a3) is arranged at the top end of the sliding groove (5a5), the guide ring (5a3) is fixedly connected with the switching disc (5a), a magnet ring (5a4) is arranged on the inner side of the guide ring (5a3), and the guide ring (5a3) is connected with the magnet ring (5a 4);

shifter (5b) constitute by jib (5b1), T type pole (5b2), extension spring (5b3), spacing ring (5b4), jib (5b1) inboard top down install extension spring (5b3), jib (5b1) inboard on be equipped with T type pole (5b2), jib (5b1) and T type pole (5b2) one end be connected through extension spring (5b3), jib (5b1) bottom have spacing ring (5b4), jib (5b1) and spacing ring (5b4) threaded connection.

2. The drilling machine capable of rapidly switching the drill bits as claimed in claim 1, wherein: the middle position of the top end of the drill bit (5c) is provided with a cross slot (5c 1).

3. The drilling machine capable of rapidly switching the drill bits as claimed in claim 1, wherein: protection machanism (5d) by telescopic sleeve (5d1), flexible protective cylinder (5d2), lubricating oil film (5d3), scrape cutter ring (5d4) and constitute, telescopic sleeve (5d1) inboard have flexible protective cylinder (5d2), telescopic sleeve (5d1) and flexible protective cylinder (5d2) sliding fit, flexible protective cylinder (5d2) inboard on be equipped with lubricating oil film (5d3), flexible protective cylinder (5d2) bottom have and scrape cutter ring (5d4), flexible protective cylinder (5d2) and scrape cutter ring (5d4) swing joint.

4. The drilling machine capable of rapidly switching the drill bits as claimed in claim 3, wherein: the inner side of the scraping knife ring (5d4) is provided with an erasing sealing ring (5d41), and the scraping knife ring (5d4) is connected with the erasing sealing ring (5d41) through glue.