CN210731111U - Self-cleaning drill bit - Google Patents

Abstract

The utility model relates to the technical field of drill bits, in particular to a self-cleaning type drill bit, which solves the defects of influencing personnel operation and influencing device performance in the prior art, and comprises a base plate, wherein a lifting shaft and a cylinder are respectively arranged on the upper surface of the base plate through bolts, the lower surface of the base plate is sequentially connected with a mounting plate and a connecting plate through screws, one side of the mounting plate is provided with a servo motor through screws, the output end of the servo motor is connected with a rotating main shaft through a coupling, the drill bit is fixed at the end part of the rotating main shaft through screws, when drilling and processing are carried out, an outer cover can be pushed to slide downwards under the driving of the cylinders, the outer part of a processing station is blocked, the chips are sucked into a box body through matching with an exhaust fan, the chips are cleaned and finished simultaneously when the processing is, the safety performance of the device is improved, the purpose of automatic cleaning is achieved, and the device is suitable for popularization and use.

Description

Self-cleaning drill bit

Technical Field

The utility model relates to a drill bit technical field especially relates to a self-cleaning formula drill bit.

Background

The drill bit is a cutting tool for drilling, is usually made of high-speed steel, the working part is hardened to 62-65 HRC through heat treatment, the general drill bit consists of a handle part, a neck part and a working part, the ⒈ handle part is a clamping part of the drill bit and plays a role of transmitting power, the handle part comprises a straight shank and a taper shank, the straight shank has smaller transmission torque and is generally used for the drill bit with the diameter of less than 12mm, the taper shank can transmit larger torque (mainly depending on the flat tail part of the handle) and is used for the drill bit with the diameter of more than 12mm, the ⒉ neck part is used for tool withdrawal when the drill bit is ground by a grinding wheel, the diameter size and the like of the drill bit are generally engraved on the neck part ⒊ working part and comprises a guide part and a cutting part, the guide part comprises two long and narrow and thread-shaped filing strips (edges, namely secondary cutting edges) and spiral grooves, the edges are used for guiding the drill bit and smoothing the hole wall, the structure of the two symmetrical spiral grooves is used for removing chips and conveying cutting fluid (cooling fluid), the cutting part has two main cutting edges which are generally called as plus or minus 2 degrees and the axial cutting edge, and the cutting force is increased.

At present when drilling man-hour, can produce a large amount of pieces, the piece of production not only influences personnel and carries out the processing operation, and the piece can be blocked inside the device moreover, influences the performance of device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a self-cleaning formula drill bit in order to solve the shortcoming that exists among the prior art and influence personnel's operation, influence device performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a self-cleaning formula drill bit, includes the base plate, lift axle and cylinder are installed respectively through the bolt to the upper surface of base plate, the lower surface of base plate loops through screw connection and has mounting panel and connecting plate, servo motor is installed through the screw in one side of mounting panel, and servo motor's output has the rotation main shaft through the coupling joint, the tip of rotating the main shaft has the drill bit through the screw fixation, the other end of connecting plate has the fixed plate through the screw connection, and the lower surface of fixed plate has the box through the screw fixation, and the aperture that a plurality of annular distributes is seted up to the bottom of box, the inside of cylinder is provided with the piston rod, the other end of piston rod has the push pedal through nut bolt fastening, there is the dustcoat one side of.

Preferably, a slotted hole is formed in the center of the box body, and the rotating main shaft penetrates through the inside of the slotted hole.

Preferably, the dustcoat is made by transparent material, and the dustcoat is the cavity structure, and the spout has all been seted up to the inner wall both sides of dustcoat cavity, the ball has all been installed to the both sides of fixed plate, ball and spout sliding connection.

Preferably, the top of box is fixed with the dust absorption pipeline through the ring flange, the air exhauster is installed through the screw in one side of fixed plate, the inlet scoop fixed connection of one end and air exhauster of dust absorption pipeline.

Preferably, the base plate is provided with a through hole, and the piston rod penetrates through the through hole.

The utility model has the advantages that: with the prior art, the utility model has the advantages of simple structure and reasonable design, through the air exhauster, the box, the dustcoat, the cylinder, the setting of push pedal isotructure, when driling add man-hour, can promote dustcoat lapse under the drive of cylinder, block the outside of processing station, the cooperation air exhauster inhales the inside of piece suction box, piece also clears up the completion simultaneously when processing is accomplished, can avoid the piece to spatter all the time, protect personnel and equipment simultaneously, the security performance of device has been promoted, realize self-cleaning's purpose, and is suitable for being generalized to use.

Drawings

FIG. 1 is a schematic front view of a self-cleaning drill according to the present invention;

FIG. 2 is a schematic structural view of the box body and the dust-absorbing plate of the present invention;

fig. 3 is a top view of the dust suction plate of the present invention.

In the figure: the device comprises abase plate 1, alifting shaft 2, an air cylinder 3, a mounting plate 4, a connectingplate 5, apiston rod 6, a push plate 7, aservo motor 8, afixing plate 9, anexhaust fan 10, anouter cover 11, abox body 12, adust suction pipeline 13, adrill bit 14, asmall hole 15, asliding groove 16, afirst groove hole 17 and a rotatingmain shaft 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a self-cleaning drill bit comprises asubstrate 1, wherein alifting shaft 2 and a cylinder 3 are respectively installed on the upper surface of thesubstrate 1 through bolts, the lower surface of thesubstrate 1 is sequentially connected with a mounting plate 4 and a connectingplate 5 through screws, aservo motor 8 is installed on one side of the mounting plate 4 through screws, the output end of theservo motor 8 is connected with a rotatingmain shaft 18 through a coupling, adrill bit 14 is fixed on the end portion of the rotatingmain shaft 18 through screws, the other end of the connectingplate 5 is connected with afixing plate 9 through screws, abox body 12 is fixed on the lower surface of thefixing plate 9 through screws, a plurality ofsmall holes 15 which are distributed annularly are formed in the bottom of thebox body 12, apiston rod 6 is arranged inside the cylinder 3, a push plate 7 is fixed on the other end of thepiston rod 6 through, the utility model has simple structure and reasonable design, through the arrangement of the structures such as theexhaust fan 10, thebox body 12, theouter cover 11, the cylinder 3 and the push plate 7, when drilling, theouter cover 11 can be pushed to slide downwards under the driving of the cylinder 3 to block the outer part of a processing station, the scraps are sucked into thebox body 12 by matching with theexhaust fan 10, the scraps are cleaned simultaneously when the processing is finished, the scraps can be prevented from splashing, the personnel and the equipment are protected simultaneously, the safety performance of the device is improved, the purpose of automatic cleaning is realized, the device is suitable for popularization and use, the center of thebox body 12 is provided with theslotted hole 17, the rotatingmain shaft 18 passes through the inner part of theslotted hole 17, theouter cover 11 is made of transparent material, theouter cover 11 is in a cavity structure, the two sides of the inner wall of the cavity of theouter cover 11 are both provided with thesliding grooves 16, the, adust suction pipeline 13 is fixed at the top of thebox body 12 through a flange plate, anexhaust fan 10 is installed on one side of thefixing plate 9 through a screw, one end of thedust suction pipeline 13 is fixedly connected with an exhaust inlet of theexhaust fan 10, a through hole is formed in thesubstrate 1, and thepiston rod 6 penetrates through the inside of the through hole.

In the embodiment, when the device is used, thelifting shaft 2 is driven by a driving source (not shown in the figure) in the prior art to move up and down, and thelifting shaft 2 drives thesubstrate 1 and the whole drilling mechanism to move up and down so as to realize drilling processing;

when a workpiece is machined by adrill 14, under the action of aservo motor 8, thedrill 14 rotates at a high speed, a rotatingmain shaft 18 penetrates through the inside of aslotted hole 17 and is not in contact with abox body 12, an air cylinder 3 works, apiston rod 6 pushes a push plate 7 downwards, anouter cover 11 moves downwards, theouter cover 11 slides relative to afixed plate 9 through balls and asliding groove 16, the covering position of theouter cover 11 can be changed along with the change according to different machining positions, when chips are generated in drilling, anexhaust fan 10 works to generate negative pressure to suck the chips into thebox body 12 through asmall hole 15, due to the design of thesmall hole 15, the chips are not easy to fall down by matching with the suction force of theexhaust fan 10, theouter cover 11 is made of a transparent material, the machining condition can be observed at any time.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. A self-cleaning drill bit comprises a base plate (1) and is characterized in that a lifting shaft (2) and a cylinder (3) are respectively installed on the upper surface of the base plate (1) through bolts, a mounting plate (4) and a connecting plate (5) are sequentially connected to the lower surface of the base plate (1) through screws, a servo motor (8) is installed on one side of the mounting plate (4) through screws, the output end of the servo motor (8) is connected with a rotating spindle (18) through a coupler, a drill bit (14) is fixed to the end portion of the rotating spindle (18) through screws, a fixing plate (9) is connected to the other end of the connecting plate (5) through screws, a box body (12) is fixed to the lower surface of the fixing plate (9) through screws, a plurality of small holes (15) distributed in an annular shape are formed in the bottom of the box body, the other end of the piston rod (6) is fixed with a push plate (7) through a nut and a bolt, one side of the push plate (7) is connected with an outer cover (11) through a screw, and the outer cover (11) is arranged on the outer side of the fixing plate (9) in a sliding mode.

2. A self-cleaning drill bit as claimed in claim 1, characterized in that the housing (12) is centrally provided with a slot (17), the main axis of rotation (18) passing through the inside of the slot (17).

3. The self-cleaning drill bit according to claim 1, wherein the outer cover (11) is made of a transparent material, the outer cover (11) is of a cavity structure, sliding grooves (16) are formed in two sides of the inner wall of the cavity of the outer cover (11), balls are arranged on two sides of the fixing plate (9), and the balls are connected with the sliding grooves (16) in a sliding manner.

4. The self-cleaning drill bit according to claim 1, wherein a dust suction pipe (13) is fixed to the top of the casing (12) through a flange, an exhaust fan (10) is installed on one side of the fixing plate (9) through a screw, and one end of the dust suction pipe (13) is fixedly connected with an exhaust inlet of the exhaust fan (10).

5. A self-cleaning drill bit according to claim 1, characterized in that the base plate (1) is provided with a through hole, and the piston rod (6) passes through the inside of the through hole.

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