CN213002813U

CN213002813U - Automatic tight structure of turning round of drill bit based on machining drilling machine equipment

Info

Publication number: CN213002813U
Application number: CN202021362709.3U
Authority: CN
Inventors: 刘静静
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-04-20
Anticipated expiration: 2030-07-13

Abstract

The invention discloses an automatic drill bit tightening structure based on machining drilling machine equipment, relates to the technical field of drill bit clamping devices, and solves the problem that the existing tightening structure is lack of a supporting and positioning component for a drill bit, so that the drill bit is easy to loosen, fall, collide with the ground or an operation table and deform and damage during disassembly. The automatic drill bit screwing structure based on machining drilling machine equipment comprises a drill chuck, a motor, a disc seat and a sliding frame, wherein the drill chuck comprises a rotating shaft and a gear ring, the top end of the drill chuck is locked and supported with the rotating shaft, the top end section of the rotating shaft is of a hexagonal prism structure, and the hexagonal prism section penetrates through the disc seat to be in inserted shaft connection with a machine head motor of a drilling machine body. According to the invention, through the power transmission of the gear ring, the motor can be positively and negatively twisted to mechanically drive the drill chuck to be automatically tightened, so that the drill chuck is more labor-saving and convenient compared with the traditional drill chuck which is clamped by manually applying force.

Description

Automatic tight structure of turning round of drill bit based on machining drilling machine equipment

Technical Field

The invention relates to the technical field of drill bit clamping equipment, in particular to an automatic drill bit screwing structure based on machining drilling machine equipment.

Background

The drill bit is mostly operated by rotating the drill chuck rotating sleeve by hand to loosen or tighten the drill bit, and the nut is driven to rotate by the rotation of the rotating sleeve, so that the clamping jaw connected with the nut moves forwards and backwards to clamp or loosen the drill bit.

For example, the patent with the patent number of CN201821610818.5 discloses a drill bit seat of a drilling machine tool, which comprises a base, wherein a drill bit supporting seat is arranged at the middle position of the front surface of the base, the inner surfaces of a first drill bit embedded groove, a second drill bit embedded groove, a third drill bit embedded groove and a fourth drill bit embedded groove are all rotationally connected with a drill bit connecting seat, the utility model discloses a drill bit supporting seat drill bit is arranged at the middle position of the front surface of the drill bit supporting seat, one end of the drill bit connecting seat, which is far away from the drill bit supporting seat, is all in threaded connection with an external drill bit, the supporting seat drill bit is a commonly used drill bit and can meet most of drilling requirements, the supporting seat drill bit is disassembled when the drill bit needs to be replaced, the drill bit connecting seat is adjusted to be in contact with the drill bit, the supporting seat drill bit is only required to be replaced in the whole process, the peripheral drill bit can be provided with four different models, and the requirement for drilling diversification can be met sufficiently.

The ubiquitous of current structure of turning round mostly adopts the manual work to exert oneself to order about and revolves wrong locking drill bit, uses comparatively difficultly inconvenient, and lacks the fender locating component to the drill bit, causes that the drill bit easily takes off to drop and bumps and take place to warp the damage on ground or operation panel when dismantling, and owing to lack the fender locating component, need hold the drill bit for a long time when the cartridge drill bit and snatch the bottom of being located the drill chuck with the drill bit, easily causes the tired problem of hand.

Disclosure of Invention

The invention aims to provide an automatic drill bit screwing structure based on machining drilling machine equipment, and aims to solve the problem that the drill bit is easy to loosen, fall and collide with the ground or an operation table to deform and damage during disassembly due to the lack of a supporting and positioning component for the drill bit in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a drill bit automatic tightening structure based on machining drilling machine equipment comprises a drill chuck, a motor, a disc seat and a sliding frame, wherein the disc seat comprises a hanging rod, the disc seat is locked and hung at the bottom of a machine head of a drilling machine body, and the hanging rod is vertically welded on the end face of the bottom of the disc seat; the drill chuck comprises a rotating shaft and a gear ring, the top end of the drill chuck is locked and supported with the rotating shaft, the top end section of the rotating shaft is of a hexagonal prism structure, and the hexagonal prism section penetrates through a disc seat to be in inserted shaft transmission with a machine head motor of a drilling machine body; the top end section of the drill chuck outer ring locking sleeve is welded and sleeved with a gear ring which is in an umbrella-shaped inclined structure; the motor comprises a telescopic rod and a button switch, the top end of the motor is locked and supported with the telescopic rod, the top end of the telescopic rod is welded and hung at the bottom of the disc seat, and the wall of the rear side shell of the motor is vertically provided with two button switches at intervals; the bottom of the suspender is rotatably connected with an L-shaped swing rod; the sliding frame is integrally installed on the bottom section of the rotating shaft in a sliding manner, and a tension spring is hung and connected between the sliding frame and the disc seat.

Preferably, the carriage includes the transmission montant, the carriage is whole to be supported the welding by upper and lower two shaft collars and is formed, and is presented degree contained angle welded fastening on the circumference terminal surface of two shaft collars and has two sets of four spinal branch vaulting poles altogether, and welded fastening has a decurrent transmission montant in a front side on a set of bracing piece wherein.

Preferably, the bottom section of the motor rotating shaft is sleeved with a bevel gear, the top of the bevel gear is arranged above the top end of the drill chuck, and the lower sliding bevel gear following the sliding frame is in meshing contact with the gear ring.

Preferably, the L-shaped swing rod comprises a gear and a circular baffle, the tail end of the L-shaped swing rod is welded with the gear, the gear is rotatably sleeved on a bottom shaft rod of the suspender, and the head end of the suspender is welded with the circular baffle.

Preferably, the inner side of the lower half section of the transmission vertical rod is provided with a row of positioning teeth, and the row of positioning teeth is correspondingly in meshing contact with the gear.

Preferably, the L-shaped swing rod freely rotates around a shaft lever at the bottom of the hanging rod for a certain degree, and when the L-shaped swing rod rotates and droops, the circular baffle is swung, rotated, hung and supported under the drill chuck and abutted and contacted with the drill bit.

Preferably, when the L-shaped swing rod rotates and stands vertically, the circular baffle is swung and placed in overhead mode above the drill chuck and the transmission vertical rod.

Preferably, the rear side supporting rods of the two shaft collars of the sliding frame are connected with the motor in a locking mode, and a tension spring is arranged between the rear side supporting rods of the two shaft collars and the disc seat in a hanging mode.

Compared with the prior art, the invention has the beneficial effects that:

1. the sliding frame is matched with the telescopic rod to be used together, so that the motor can be rotated and limited, and the phenomenon that the normal tightness operation of the drill chuck is influenced due to force release caused by swinging and rotating around the rotating shaft under the rotating push of reverse acting force when the drill chuck is twisted and loosened is avoided;

2. according to the invention, through the power transmission of the gear ring, the motor can be twisted forward and backward to mechanically drive the drill chuck to be automatically tightened, so that the drill chuck is more labor-saving and convenient compared with the traditional drill chuck which is clamped by manual force application;

3. the circular baffle can resist and support the drill bit, so that the drill bit is inserted into the drill chuck, the drill bit is prevented from falling and colliding on the ground or an operation table to cause damage when the drill bit is disassembled and assembled, the trouble that a worker holds and fixes the drill bit by hands for a long time is saved, and the workload and the fatigue strength of the worker during the disassembly and assembly of the drill bit are reduced;

4. through transmission montant and gear engagement transmission, the motor can interlock control L form pendulum rod and circular baffle and overturn from top to bottom at the in-process of oscilaltion, and this saves the operating procedure of additional implementation upset shrink and expansion to circular baffle, has simplified circular baffle use procedure, has promoted circular baffle's ease for use.

Drawings

FIG. 1 is a schematic diagram of a drill press body according to the present invention;

FIG. 2 is a schematic bottom view of the drill press body of the present invention;

FIG. 3 is a schematic view of the disc seat structure of the present invention;

FIG. 4 is a schematic view of the structure of the drill chuck of the present invention;

FIG. 5 is a schematic view of the motor mounting location of the present invention;

FIG. 6 is a schematic view of the structure of the driving stem of the present invention;

FIG. 7 is a schematic three-dimensional structure of the carriage of the present invention;

FIG. 8 is a schematic structural view of an L-shaped swing link according to the present invention;

in the figure: 1. a drilling machine body; 2. a drill chuck; 201. a rotating shaft; 202. a ring gear; 3. a motor; 301. a telescopic rod; 302. a push button switch; 4. a disc base; 401. a boom; 5. an L-shaped swing link; 501. a gear; 502. a circular baffle; 6. a carriage; 601. the vertical rod is driven.

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.

Referring to fig. 1 to 8, an embodiment of the present invention includes: a drill bit automatic tightening structure based on machining drilling machine equipment comprises a drill chuck 2, a motor 3, a disc seat 4 and a sliding frame 6, wherein the disc seat 4 comprises a hanging rod 401, the disc seat 4 is locked and hung at the bottom of a machine head of a drilling machine body 1, and the hanging rod 401 is vertically welded on the end face of the bottom of the disc seat 4; the drill chuck 2 comprises a rotating shaft 201 and a gear ring 202, the rotating shaft 201 is locked and supported at the top end of the drill chuck 2, the top end section of the rotating shaft 201 is of a hexagonal prism structure, and the hexagonal prism section penetrates through a disc seat 4 to be in inserted shaft coupling transmission with a machine head motor of the drilling machine body 1; the top end section of the locking sleeve on the outer ring of the drill chuck 2 is welded and sleeved with a gear ring 202, and the gear ring 202 is of an umbrella-shaped inclined structure; the motor 3 comprises an expansion link 301 and a button switch 302, the top end of the motor 3 is locked and supported with the expansion link 301, the top end of the expansion link 301 is welded and hung at the bottom of the disc seat 4, and two button switches 302 are vertically arranged on the wall of the rear side shell of the motor 3 at intervals; the bottom of the suspender 401 is rotatably connected with an L-shaped swing rod 5; the sliding frame 6 is integrally arranged on the bottom section of the rotating shaft 201 in a sliding manner, and a tension spring is hung and connected between the sliding frame 6 and the disc seat 4; the L-shaped swing rod 5 freely rotates for 180 degrees around a shaft rod at the bottom of the suspension rod 401, and when the L-shaped swing rod 5 rotates and droops, the circular baffle 502 is swung, rotated, suspended and supported under the drill chuck 2 and is abutted and contacted with a drill bit.

Further, the carriage 6 includes transmission montant 601, the carriage 6 is whole to be supported the welding by upper and lower two shaft collars and is formed, and is 120 degrees contained angle welded fastening on the circumference terminal surface of two shaft collars and has two sets of four spinal branch vaulting poles altogether, and welded fastening has a decurrent transmission montant 601 on a set of bracing piece of front side wherein, through carriage 6, the bevel gear of motor 3 and its pivot bottom can with follow rotation axis 201 gliding and ring gear 202 transmission meshing.

Further, the cover is equipped with a bevel gear in the bottom section of motor 3 pivot, and drill chuck 2's top is arranged in on this bevel gear top, and follows the gliding bevel gear of carriage 6 and ring gear 202 meshing contact, and through the power transmission of ring gear 202, motor 3 can be positive and negative to twist reverse and carry out machinery to drill chuck 2 and order about automatic elasticity, compares in the manual elasticity that exerts power of tradition and clamps the drill bit, and is more laborsaving convenient.

Further, L form pendulum rod 5 includes gear 501 and

circular baffle

502, 5 tail end welding of L form pendulum rod has a gear 501, this gear 501 rotates the suit on the bottom axostylus axostyle of jib 401, and a head end welded fastening circular baffle 502 of jib 401, circular baffle 502 can support and support the drill bit, make the drill bit top insert the location in drill chuck 2 inside, avoid the drill bit whereabouts to collide and cause the damage on ground or operation platform when dismouting drill bit, save the trouble that artifical long-time hand held fixed drill bit, the work load and the fatigue strength when having reduced workman dismouting drill bit.

Further, a row of positioning teeth are arranged on the inner side of the lower half section of the transmission vertical rod 601, the row of positioning teeth are correspondingly in meshing contact with the gear 501, the transmission vertical rod 601 and the gear 501 are in meshing transmission, the motor 3 can control the L-shaped swing rod 5 and the circular baffle 502 to overturn up and down in the up-and-down lifting process, the additional operation steps of overturning, shrinking and unfolding the circular baffle 502 are omitted, the use flow of the circular baffle 502 is simplified, and the usability of the circular baffle 502 is improved.

Further, when the L-shaped swing rod 5 rotates to be vertical, the circular baffle 502 is swung to be arranged above the drill chuck 2 and the transmission vertical rod 601 in a swinging mode, and when the L-shaped swing rod 5 rotates to be vertical, the circular baffle 502 can be retracted and hidden, so that the circular baffle 502 is separated from the drill bit in a rotating mode, and blocking obstacles for drilling are avoided.

Furthermore, the rear side supporting rods of the two shaft rings of the sliding frame 6 are connected with the motor 3 in a locking mode, a tension spring is hung between the rear side supporting rods of the two shaft rings and the disc seat 4, the tension spring can rebound and pull up the motor 3 which finishes the tightening operation to reset, and the trouble of manually exerting force to slide up the motor 3 to reset is eliminated.

The working principle is as follows: when in use, the disc seat 4 is firstly locked and hung at the bottom of the machine head of the drilling machine body 1, the six-edge inserting column at the top end of the rotating shaft 201 is inserted into the machine head motor of the drilling machine body 1 for shaft connection and transmission, then the drill head top is inserted into the drill chuck 2, then the motor 3 and the bevel gear at the bottom of the rotating shaft slide down along the rotating shaft 201 through the sliding frame 6, the bevel gear is in transmission engagement with the gear ring 202, the L-shaped oscillating bar 5 and the circular baffle 502 can be controlled to overturn and be hung at the bottom of the drill chuck 2 (as shown in figure 5) in a linkage way through the engagement transmission vertical bar 601 and the gear 501 when the motor 3 slides down, at the moment, the drill head is blocked and supported and positioned inside the drill chuck 2, the trouble that a worker holds and fixes the drill head by hands for a long time, then the forward rotation button switch 302 is pressed, the motor 3 twists to drive the, finally, the motor 3 is loosened, the motor 3 automatically slides upwards to reset under the rebound tension of the tension spring at the bottom of the disc seat 4, the motor 3 automatically slides upwards and retracts, the L-shaped swing rod 5 and the circular baffle 502 can be driven to overturn, stand and retract in a linkage mode (as shown in figure 3) while sliding upwards, the circular baffle 502 is separated from the drill bit in a rotating mode, and the drill bit can be used for drilling after the clamping operation of the drill bit is completed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an automatic structure of screwing in of drill bit based on machining drilling machine equipment which characterized in that: the drill chuck comprises a drill chuck (2), a motor (3), a disc seat (4) and a sliding frame (6), wherein the disc seat (4) comprises a hanging rod (401), the disc seat (4) is locked and hung at the bottom of a machine head of a drilling machine body (1), and the hanging rod (401) is vertically welded on the end face of the bottom of the disc seat (4); the drill chuck (2) comprises a rotating shaft (201) and a gear ring (202), the top end of the drill chuck (2) is locked and supported with the rotating shaft (201), the top end section of the rotating shaft (201) is of a hexagonal prism structure, and the hexagonal prism section penetrates through a disc seat (4) to be in inserted coupling transmission with a machine head motor of the drilling machine body (1); the top end section of the locking sleeve on the outer ring of the drill chuck (2) is welded and sleeved with a gear ring (202), and the gear ring (202) is of an umbrella-shaped inclined structure; the motor (3) comprises an expansion link (301) and a button switch (302), the top end of the motor (3) is locked and supported with one expansion link (301), the top end of the expansion link (301) is welded and hung at the bottom of the disc seat (4), and two button switches (302) are vertically arranged on the rear side shell wall of the motor (3) at intervals; the bottom of the suspension rod (401) is rotatably connected with an L-shaped swing rod (5); the sliding frame (6) is integrally installed on the bottom section of the rotating shaft (201) in a sliding manner, and a tension spring is hung and arranged between the sliding frame (6) and the disc seat (4).

2. The automatic tightening structure of drill bit based on machining drilling machine equipment of claim 1, characterized in that: the sliding frame (6) comprises a transmission vertical rod (601), the sliding frame (6) is integrally formed by welding an upper shaft collar and a lower shaft collar in a supporting mode, two groups of supporting rods with included angles of 120 degrees are welded and fixed on the circumferential end faces of the two shaft collars, and one downward transmission vertical rod (601) is welded and fixed on one group of the supporting rods on the front side.

3. The automatic tightening structure of drill bit based on machining drilling machine equipment of claim 1, characterized in that: the bottom section of the rotating shaft of the motor (3) is sleeved with a bevel gear, the top of the bevel gear is arranged above the top end of the drill chuck (2), and the lower sliding bevel gear following the sliding frame (6) is in meshing contact with the gear ring (202).

4. The automatic tightening structure of drill bit based on machining drilling machine equipment of claim 1, characterized in that: the L-shaped swing rod (5) comprises a gear (501) and a circular baffle (502), the gear (501) is welded at the tail end of the L-shaped swing rod (5), the gear (501) is rotatably sleeved on a bottom shaft rod of the suspender (401), and the circular baffle (502) is welded and fixed at the head end of the suspender (401).

5. The automatic tightening structure of drill bit based on machining drilling machine equipment of claim 2, characterized in that: the inner side of the lower half section of the transmission vertical rod (601) is provided with a row of positioning teeth, and the row of positioning teeth are correspondingly in meshing contact with the gear (501).

6. The automatic tightening structure of drill bit based on machining drilling machine equipment of claim 1, characterized in that: the L-shaped swing rod (5) freely rotates for 180 degrees around a shaft lever at the bottom of the hanging rod (401), and when the L-shaped swing rod (5) rotates and droops, the circular baffle (502) is swung, rotated, hung and supported under the drill chuck (2) and is abutted and contacted with a drill bit.

7. The automatic tightening structure of drill bit based on machining drilling machine equipment of claim 1, characterized in that: when the L-shaped swing rod (5) rotates and stands, the circular baffle (502) is swung and put above the drill chuck (2) and the transmission vertical rod (601).

8. The automatic tightening structure of drill bit based on machining drilling machine equipment of claim 1, characterized in that: the rear side supporting rods of the two shaft rings of the sliding frame (6) are connected with the motor (3) in a locking mode, and a tension spring is arranged between the rear side supporting rods of the two shaft rings and the disc seat (4) in a hanging mode.