CN211680157U

CN211680157U - Bench drilling machine convenient to change drill bit

Info

Publication number: CN211680157U
Application number: CN202020326850.1U
Authority: CN
Inventors: 陈瑞众
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-10-16
Anticipated expiration: 2030-03-16

Abstract

The utility model belongs to the drilling machine field, in particular to a bench drilling machine convenient for replacing a drill bit, which can be damaged when the drill bit is used for a long time and needs to be replaced, the prior drilling machine is inconvenient for replacing the drill bit and has complex operation, and the proposal is provided, which comprises a base and the drill bit, wherein the top of the base is fixedly connected with a fixed frame, the inner wall at the top of the fixed frame is fixedly connected with an electric push rod, the output shaft of the electric push rod is fixedly connected with a sliding plate, two sides of the sliding plate are respectively connected with the inner walls at two sides of the fixed frame in a sliding way, the bottom of the sliding plate is fixedly connected with a driving motor, the output shaft of the driving motor is fixedly connected with a fixed seat, and the fixed seat is provided with a fixed cavity, then the drill bit can be taken down for replacement, which is convenient and fast.

Description

Bench drilling machine convenient to change drill bit

Technical Field

The utility model relates to a drilling machine technical field especially relates to a bench drill convenient to change drill bit.

Background

The drill bit is a cutting tool adopted by a common drill or a drilling machine to cut out a circular hole, the basic principle of the drill bit is to enable the drill bit to cut edges and rotate, cut a workpiece and remove drill cuttings through a drilling groove, the drill machine is mainly used for machining holes in the workpiece, the increase speed of plastic products is accelerated along with the increase of the sales volume of household appliances, the plastic die manufacturing industry is vigorously developed, and the drill machine is also greatly developed in recent years in order to meet the deep hole machining of hole systems such as water holes, pin ejecting holes and the like in the die.

The drill bit uses can take place to damage for a long time, needs to be changed, and current drilling machine is not convenient for change the drill bit, and the operation is complicated, so we provide a bench drill convenient to change the drill bit for solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having the drill bit to use for a long time among the prior art and can take place to damage, need changing, current drilling machine is not convenient for change the drill bit, operates complicated shortcoming, and the bench drill convenient to change the drill bit that provides.

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

a bench drilling machine convenient for replacing a drill bit comprises a base and the drill bit, wherein a fixed frame is fixedly connected to the top of the base, an electric push rod is fixedly connected to the inner wall of the top of the fixed frame, a sliding plate is fixedly connected to the output shaft of the electric push rod, two sides of the sliding plate are respectively connected with the inner walls of two sides of the fixed frame in a sliding manner, a driving motor is fixedly connected to the bottom of the sliding plate, a fixed seat is fixedly connected to the output shaft of the driving motor, a fixed cavity is arranged on the fixed seat, a rotating shaft is rotatably connected to the inner wall of one side of the fixed cavity, a movable plate is connected to the rotating shaft in a threaded manner, the top and the bottom of the movable plate are respectively connected with the inner walls of the top and the bottom of the fixed cavity in a sliding manner, a clamping pin is fixedly, fixed cover is equipped with the reel in the pivot, around being equipped with the stay cord on the reel, sliding connection has the diaphragm on one side inner wall of fixed cavity, the bottom of stay cord and the top fixed connection of diaphragm, one side of diaphragm is rotated and is connected with the connecting rod, the one end of connecting rod is rotated and is connected with the dead lever, the drill bit top extends to in the fixed cavity, the draw-in groove has all been seted up to the both sides of drill bit, the one end of dead lever and the one end of bayonet lock extend to respectively in two draw-in grooves and clamp with two draw-in grooves respectively mutually, the top of base is equipped with the machined part, can make bayonet lock and dead lever break away from clamping groove respectively through rotating the pivot and clamp, then just can take off the.

Preferably, the top of the sliding plate is fixedly connected with a dust collection box and a dust collector respectively, the dust collection box is provided with a box door, the output end of the dust collector extends into the dust collection box, the input end of the dust collector extends to the bottom lower part of the sliding plate, and due to the arrangement of the dust collector, the dust collector can suck generated dust into the dust collection box, so that the health of a human body is protected, and when the dust collection box needs to be cleaned, only the box door needs to be opened, so that the dust collection box is simple and convenient.

Preferably, the inner wall of the other side of the fixed cavity is symmetrically and fixedly connected with two first springs, one ends of the two first springs are fixedly connected with one side of the movable plate, and the first springs can provide reset power for the movable plate.

Preferably, the inner wall of the bottom of the fixed cavity is slidably connected with a limiting plate, the top of the limiting plate is fixedly connected with the bottom of the fixed rod, and the limiting plate is arranged, so that the fixed rod can only move transversely.

Preferably, the spout has been seted up on one side inner wall of fixed cavity, one side of diaphragm extend to in the spout and with one side inner wall sliding connection of spout, fixedly connected with second spring on the top inner wall of spout, the bottom of second spring and the top fixed connection of diaphragm, the spout can make the diaphragm can steady movement, can not take place the offset, and the second spring can provide the power that resets for the diaphragm.

The utility model discloses in, a bench drill convenient to change drill bit owing to set up interior hexagonal nut, drives the pivot through making interior hexagonal nut and rotates, can make the movable plate drive the bayonet lock and remove, the pivot can also make the wire winding wheel tighten up to the stay cord to can make diaphragm rebound, under the effect of connecting rod, can make the dead lever remove, just so can make bayonet lock and dead lever break away from clamping of draw-in groove respectively, then just can take off the drill bit and change easy operation, convenient and fast.

Due to the arrangement of the dust collector, the dust collector can suck generated dust into the dust collection box, the health of a human body is protected, and when the dust collection box needs to be cleaned, only the box door needs to be opened, so that the dust collection box is simple and convenient.

The utility model discloses rational in infrastructure, easy operation can make bayonet lock and dead lever break away from clamping of draw-in groove respectively through rotating the pivot, then just can take off the drill bit and change convenient and fast.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a bench drill convenient for replacing a drill bit according to the present invention;

FIG. 2 is a schematic front view of a bench drill convenient for replacing a drill according to the present invention;

FIG. 3 is the utility model provides a bench drill's fixing base sectional structure schematic diagram convenient to change drill bit

Fig. 4 is an enlarged schematic structural diagram of a portion a of the bench drill convenient for replacing the drill bit according to the present invention.

In the figure: the device comprises a base 1, a fixing frame 2, an electric push rod 3, a sliding plate 4, a driving motor 5, a fixing seat 6, a fixing cavity 7, a rotating shaft 8, a moving plate 9, a bayonet 10, an inner hexagonal nut 11, a reel 12, a transverse plate 13, a connecting rod 14, a fixing rod 15, a drill bit 16, a dust collection box 17, a dust collector 18, a first spring 19, a limiting plate 20, a chute 21 and a second spring 22.

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.

Example one

Referring to fig. 1-4, a bench drill convenient for replacing a drill bit comprises a base 1 and a drill bit 16, wherein the top of the base 1 is fixedly connected with a fixed frame 2, the inner wall of the top of the fixed frame 2 is fixedly connected with an electric push rod 3, the output shaft of the electric push rod 3 is fixedly connected with a sliding plate 4, two sides of the sliding plate 4 are respectively connected with the inner walls of two sides of the fixed frame 2 in a sliding manner, the bottom of the sliding plate 4 is fixedly connected with a driving motor 5, the output shaft of the driving motor 5 is fixedly connected with a fixed seat 6, the fixed seat 6 is provided with a fixed cavity 7, the inner wall of one side of the fixed cavity 7 is rotatably connected with a rotating shaft 8, the rotating shaft 8 is in threaded connection with a movable plate 9, the top and the bottom of the movable plate 9 are respectively connected with, one end of the rotating shaft 8 extends into the groove and is fixedly connected with an inner hexagonal nut 11, a reel 12 is fixedly sleeved on the rotating shaft 8, a pull rope is wound on the reel 12, a transverse plate 13 is connected on the inner wall of one side of the fixed cavity 7 in a sliding manner, the bottom end of the pull rope is fixedly connected with the top of the transverse plate 13, one side of the transverse plate 13 is rotatably connected with a connecting rod 14, one end of the connecting rod 14 is rotatably connected with a fixed rod 15, the top of the drill bit 16 extends into the fixed cavity 7, clamping grooves are formed in two sides of the drill bit 16, one end of the fixed rod 15 and one end of the bayonet lock 10 respectively extend into the two clamping grooves and are respectively clamped with the two clamping grooves, a workpiece is arranged at the top of the base 1, the bayonet lock 10 and the fixed rod 15 can be respectively separated from the clamping grooves by rotating the rotating shaft 8, then the drill bit 16 can be taken down for replacement, can make the movable plate 9 drive bayonet lock 10 and remove, pivot 8 can also make reel 12 tighten up the stay cord, thereby can make diaphragm 13 rebound, under connecting rod 14's effect, can make dead lever 15 remove, just so can make bayonet lock 10 and dead lever 15 break away from clamping of draw-in groove respectively, then just can take off drill bit 16 and change, moreover, the steam generator is simple in operation, convenient and fast, owing to set up dust catcher 18, dust catcher 18 can be with the dust of production inhale in dust collection box 17, the health of human body has been protected, when needing to clear up dust collection box 17, only need open the chamber door can, and is simple and convenient, the utility model discloses rational in infrastructure, easy operation can make bayonet lock 10 and dead lever 15 break away from clamping of draw-in groove respectively through rotating pivot 8, then just can take off drill bit 16 and change, convenient and fast.

Example two

The utility model discloses in, the top of sliding plate 4 is fixedly connected with dust collection box 17 and dust catcher 18 respectively, be equipped with the chamber door on the dust collection box 17, in the output of dust catcher 18 extended to dust collection box 17, the input of dust catcher 18 extended to the bottom below of sliding plate 4, owing to set up dust catcher 18, in dust catcher 18 can inhale dust collection box 17 with the production, human health has been protected, when needing to clear up dust collection box 17, only need open the chamber door can, simple and convenient.

The utility model discloses in, two first springs 19 of symmetry fixedly connected with on the opposite side inner wall of fixed cavity 7, two first springs 19's one end all with one side fixed connection of movable plate 9, first spring 19 can provide the power that resets for movable plate 9.

The utility model discloses in, sliding connection has limiting plate 20 on the bottom inner wall of fixed cavity 7, and there is the bottom fixed connection of dead lever 15 at the top of limiting plate 20, owing to set up limiting plate 20 for dead lever 15 can only lateral shifting.

The utility model discloses in, seted up spout 21 on one side inner wall of fixed cavity 7, one side of diaphragm 13 extend to in the spout 21 and with one side inner wall sliding connection of spout 21, fixedly connected with second spring 22 on the top inner wall of spout 21, the bottom of second spring 22 and the top fixed connection of diaphragm 13, spout 21 can make diaphragm 13 can steady movement, can not take place the offset, second spring 22 can provide the power that resets for diaphragm 13.

In the utility model, when in specific use, firstly, the power is switched on, the electric push rod 3, the dust collector 18 and the driving motor 5 are started, the driving motor 5 can drive the drill bit 16 to rotate by the fixing seat 6, the driving motor 5 can be driven by the electric push rod 3 to move downwards, thereby the drilling processing can be carried out on the processed workpiece, the dust collector 18 can suck the generated dust into the dust collection box 17, the health of the human body is protected, when the dust collection box 17 needs to be cleaned, only the box door needs to be opened, when the drill bit 16 needs to be replaced, firstly, the inner hexagon nut 11 drives the rotating shaft 8 to rotate by a tool, because the rotating shaft 8 is in threaded connection with the moving plate 9, the rotating shaft 8 can drive the bayonet lock 10 to move towards the direction close to the inner hexagon nut 11, the bayonet lock 10 is separated from the clamping of the bayonet lock, the rotating shaft 8 can lead the reel 12 to tighten up the pulling, therefore, the transverse plate 13 can move downwards, the fixing rod 15 moves towards the direction close to the transverse plate 13 under the action of the connecting rod 14, the clamping of the clamping groove can be separated, the drill bit 16 can be taken down and replaced, and the operation is simple, convenient and fast.

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

1. The utility model provides a bench drill convenient to change drill bit, includes base (1) and drill bit (16), its characterized in that, top fixedly connected with mount (2) of base (1), fixedly connected with electric putter (3) on the top inner wall of mount (2), fixedly connected with sliding plate (4) on the output shaft of electric putter (3), the both sides of sliding plate (4) respectively with the both sides inner wall sliding connection of mount (2), the bottom fixedly connected with driving motor (5) of sliding plate (4), fixedly connected with fixing base (6) on the output shaft of driving motor (5), be equipped with fixed cavity (7) on fixing base (6), it is connected with pivot (8) to rotate on one side inner wall of fixed cavity (7), threaded connection has movable plate (9) on pivot (8), the top and the bottom of movable plate (9) respectively with the top inner wall and the bottom of fixed cavity (7) in the top inner wall and the bottom of movable plate (9) Wall sliding connection, one side fixedly connected with bayonet lock (10) of movable plate (9), one side of fixing base (6) is seted up flutedly, the one end of pivot (8) extends to in the recess and fixedly connected with hexagon socket cap nut (11), the fixed cover is equipped with reel (12) on pivot (8), around being equipped with the stay cord on reel (12), sliding connection has diaphragm (13) on one side inner wall of fixed cavity (7), the bottom of stay cord and the top fixed connection of diaphragm (13), one side of diaphragm (13) is rotated and is connected with connecting rod (14), the one end of connecting rod (14) is rotated and is connected with dead lever (15), drill bit (16) top extends to in fixed cavity (7), the draw-in groove has all been seted up to the both sides of drill bit (16), the one end of dead lever (15) and the one end of bayonet lock (10) extend to respectively in two draw-in grooves and clamp with two draw-in grooves respectively, the top of the base (1) is provided with a workpiece.

2. The bench drill convenient for bit replacement according to claim 1, wherein a dust collection box (17) and a dust collector (18) are fixedly connected to the top of the sliding plate (4), respectively, a box door is arranged on the dust collection box (17), the output end of the dust collector (18) extends into the dust collection box (17), and the input end of the dust collector (18) extends below the bottom of the sliding plate (4).

3. The bench drilling machine convenient for bit replacement according to claim 1, wherein two first springs (19) are symmetrically and fixedly connected to the inner wall of the other side of the fixed cavity (7), and one ends of the two first springs (19) are fixedly connected with one side of the movable plate (9).

4. The bench drilling machine convenient for bit replacement according to claim 1, wherein a limiting plate (20) is slidably connected to the inner wall of the bottom of the fixing chamber (7), and the top of the limiting plate (20) is fixedly connected to the bottom of the fixing rod (15).

5. The bench drilling machine convenient for bit replacement according to claim 1, wherein a sliding groove (21) is formed in one side of the inner wall of the fixed chamber (7), one side of the transverse plate (13) extends into the sliding groove (21) and is slidably connected with one side of the inner wall of the sliding groove (21), a second spring (22) is fixedly connected to the inner wall of the top of the sliding groove (21), and the bottom end of the second spring (22) is fixedly connected with the top of the transverse plate (13).