CN109604666B

CN109604666B - Drilling machine

Info

Publication number: CN109604666B
Application number: CN201811544568.4A
Authority: CN
Inventors: 杨学良
Original assignee: Zhejiang Xiling Co ltd
Current assignee: Zhejiang Xiling Co ltd
Priority date: 2018-12-17
Filing date: 2018-12-17
Publication date: 2020-07-21
Anticipated expiration: 2038-12-17
Also published as: CN109604666A

Abstract

The invention belongs to the technical field of machinery, in particular to a drilling machine, which comprises a base, a support rod, a workbench and a machine head, wherein the support rod is arranged on the base, the workbench is sleeved on the support rod, a rotating rocker arm is arranged on one side of the workbench, the machine head is arranged at the upper end of the support rod in a communicating manner, the machine head comprises a headstock, a rotating disc, a gear box and a motor, a first belt wheel is arranged on an output shaft of the motor, a second belt wheel is arranged on one side of the first belt wheel through a synchronous belt, a rotating shaft is arranged in the second belt wheel in a penetrating manner, the rotating shaft is sequentially provided with a first small gear and a first big gear in a sliding manner from; a main shaft penetrates through the gear box, a second large gear and a second small gear are sequentially arranged at the upper end of the main shaft from top to bottom, when the adjusting device is rotated anticlockwise, the second large gear is meshed with the first small gear, and when the adjusting device is rotated clockwise, the second small gear is meshed with the first large gear.

Description

Drilling machine

Technical Field

The invention belongs to the technical field of machinery, and particularly relates to a drilling machine.

Background

At present, the speed of a drilling machine is generally regulated through a multi-stage belt pulley. Due to the structural characteristics, the existing drilling machine is inconvenient to regulate the speed. When the speed is regulated, the shell of the belt pulley needs to be detached, and the position of the belt needs to be adjusted. The rotating speed of the drilling machine is smaller than the adjusting range, and is generally 1: within 10. For the purpose of step speed regulation, the optimum rotating speed required by the drilling machine during drilling and cutting cannot be obtained. The larger the rotation speed ratio of the drilling machine is, the larger the diameter of the belt pulley is, and the volume of the drilling machine is increased. When the power supply voltage is unstable, or the influence of external force, or the hardness of the material of the workpiece is uneven, the rotating speed of the drilling machine is unstable, and the cutting quality is influenced. Therefore, the production efficiency of enterprises is greatly influenced, and the production cost of the enterprises is improved.

And most bench drills do not have the adjusting function of low-speed and high-speed functions, and the accurate control of the rotating speed of the bench drill is difficult to realize.

Disclosure of Invention

The invention aims to provide a drilling machine which is stable in structure, high and low in speed, stepless in speed regulation function and long in service life.

The purpose of the invention is realized as follows: a drilling machine comprises a base, a support rod, a workbench and a machine head, wherein the support rod is arranged on the base, a workbench is sleeved on the supporting rod, a rotating rocker arm which can control the workbench to slide on the supporting column is arranged at one side of the workbench, the upper end of the supporting rod is provided with a machine head through a connecting flange, the machine head comprises a headstock, a rotating disc, a gear box and a motor, the rotating disc is arranged on one side of the headstock and drives the main shaft to move up and down, a first belt wheel is arranged on an output shaft of the motor, a second belt wheel is arranged on one side of the first belt wheel through a synchronous belt, a rotating shaft penetrates through the second belt wheel, a first small gear and a first big gear are sequentially arranged on the rotating shaft in a sliding manner from top to bottom, a shifting groove is arranged below the first gearwheel, and an adjusting device for adjusting the sliding arrangement of the first pinion and the first gearwheel on the rotating shaft is arranged in the shifting groove; wear to be equipped with a main shaft in the gear box, main shaft upper end from the top down has set gradually second gear wheel and second pinion, and when anticlockwise rotation adjusting device, the second gear wheel meshes with first pinion mutually, and when clockwise rotation adjusting device, second pinion meshes with first gear wheel mutually.

Preferably, the rotating shaft is provided with a first limiting groove and a second limiting groove, and the first limiting groove and the second limiting groove are matched with a limiting lug formed in the first pinion.

Preferably, the outer wall of the rotating shaft is formed with a spline groove, and the spline groove is matched with splines formed on the first pinion and the first gearwheel.

Preferably, the adjusting device comprises a rotating handle, a shifting lever arranged on the rotating handle and a long shifting fork arranged at one end of the shifting lever, wherein a shifting pin is arranged on one side of the long shifting fork, an arc shifting fork block is arranged at one end of the shifting pin, and the shifting fork block is arranged in the shifting groove.

Preferably, a sleeve is arranged on the outer side of the main shaft, a plurality of tooth grooves are formed in the outer wall of the sleeve, and the tooth grooves are meshed with shaft teeth formed on one side of the rotating disc to drive the rotating disc to rotate so as to realize the up-and-down movement of the sleeve.

Preferably, a rack is arranged on one side of the supporting column, safety rings are fixed at two ends of the rack, the safety rings are sleeved on the supporting column, the workbench is sleeved on the supporting column and the rack, and the rotary rocker arm is driven to rotate to realize the up-and-down movement of the workbench.

Preferably, headstock one side is equipped with cooling device, cooling device is including the box, the inlet, the handle, the fixed plate, the catch bar, the drain pipe, the catch plate, first check valve, the baffle, communicating pipe and second check valve, the box passes through the mode of screw connection and connects in headstock one side, the box top is equipped with an inlet, be equipped with the baffle in the box, be equipped with communicating pipe on the baffle, be equipped with the second check valve in communicating pipe, slidable is equipped with the catch plate between baffle lower part and the box, catch plate one end is equipped with the catch bar, the catch bar passes the box, catch bar one end welding has the fixed plate, the fixed plate left end has the handle through the screw connection, box one side is equipped with the drain pipe, the drain pipe is located the baffle below, be equipped with first.

Preferably, the cooling device further comprises a second screen plate and a rubber pad, the rubber pad is arranged on the grip, and the second screen plate is arranged in the liquid inlet.

Preferably, be equipped with sweeps collection device on the base, sweeps collection device is including receiver, locating part, brush, row's cinder notch, valve and first otter board, be equipped with a receiver that is used for collecting the sweeps on the base, the receiver left and right sides all is equipped with the locating part, and the locating part is connected with the brush cooperation, and the lower part is equipped with first otter board in the receiver, and receiver right side lower part is equipped with row's cinder notch, is equipped with the valve on the row's cinder notch.

Preferably, the limiting part can also be a cylindrical pin, the left side and the right side of the accommodating body are provided with the cylindrical pins, the brush is provided with a circular through hole, and the brush is connected with the cylindrical pins in a matched mode through the circular through hole.

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

1. the stepless speed regulation of the main shaft is realized by inputting on a knob or a touch screen on a control panel, a belt gear gearbox is only provided with two gears of a high speed and a low speed without opening a protective cover, an inductive switch is arranged on the gear, and after the gear is shifted, a system senses a signal and then automatically switches an electronic transmission ratio, so that the operation is very convenient.

2. The drilling machine can directly control the rotating speed of the drill bit through the control button switch, is convenient to operate and is beneficial to improving the machining efficiency. The drilling machine can stably and steplessly regulate the speed and can randomly select the optimal processing rotating speed. The volume of the drilling machine is reduced, and metal materials are saved; the drilling machine can reasonably utilize electric energy, and saves electricity. The drilling machine has the characteristic of constant power or constant torque, and can ensure good processing performance at high rotating speed and low rotating speed. Under the influence of an external power grid, external force and material hardness, the drilling machine can still ensure the drilling and cutting quality.

3. According to the invention, a worker only needs to lightly push the push rod through the handle, then push the push plate, and the push plate extrudes the cutting fluid, so that the cutting fluid flows out to a workpiece processing part through the bamboo joint pipe, the cooling effect is achieved, and the smoothness of workpiece processing is ensured.

4. The scraps and the cutting fluid generated in the processing process of the invention fall into the collecting frame, so that the tidiness of the working table surface is ensured, and the collecting frame can move left and right, so that the scraps can be better collected.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a simplified schematic of the present invention with the headstock, table, base and support posts removed;

FIG. 3 is a schematic view of an adjustment device and gearbox according to an embodiment of the present invention;

FIG. 4 is a schematic view of a first bull gear and a first pinion gear according to an embodiment of the present invention;

FIG. 5 is a schematic view of a rotating shaft according to an embodiment of the present invention;

FIG. 6 is a schematic view of a first pinion gear according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a second embodiment of the present invention;

FIG. 8 is a sectional view of a cooling apparatus according to a second embodiment of the present invention;

FIG. 9 is a cross-sectional view of a push rod according to a second embodiment of the present invention;

FIG. 10 is a schematic view showing the structure of a three wastes collecting apparatus according to an embodiment of the present invention;

FIG. 11 is a simplified schematic diagram of the fitting of the three-cylinder pin and the round through hole according to the embodiment of the present invention.

In the figure: 1-a drill bit; 11-a sleeve; 12-gullet; 13-axial teeth; 14-a rack; 15-a safety ring; 2-a main shaft; 21-a box body; 210-a communication pipe; 211-a second one-way valve; 212-a second mesh panel; 213-rubber pad; 22-liquid inlet; 23-a grip; 24-a fixing plate; 25-a push rod; 26-a liquid outlet pipe; 27-a push plate; 28-a first one-way valve; 29-a separator; 3-a scrap collecting device; 36-a receptacle; 37-a stop; 38-a brush; 39-a slag discharge port; 310-a valve; 311-a first mesh panel; 312-cylindrical pin; 313-circular through hole; 4-head frame; 41-a motor; 5-rotating the disc; 51-a base; 6-a first pulley; 61-a second pulley; 62-rotating shaft; 63-a first pinion; 64-first gearwheel; 65-a toggle groove; 66-an adjustment device; 67-a gearbox; 68-a second gearwheel; 69-a second pinion; 7-a support column; 70-a first limit groove; 71-a second limiting groove; 72-spline grooves; 73-splines; 74-rotating the handle; 75-a deflector rod; 76-long shift fork; 77-pulling pin; 78-a fork block; 79-a cooling device; 8-a connecting flange; 9-a workbench; 10-rotating the rocker arm; 91-limiting bump.

Detailed Description

The invention is further described below in terms of specific examples.

The first embodiment is as follows: as shown in fig. 1-6, a drilling machine comprises a base 51, a support rod 7, a workbench 9 and a machine head, wherein the support rod 7 is arranged on the base 51, the support rod 7 is sleeved with the workbench 9, one side of the workbench 9 is provided with a rotary rocker arm 10 capable of controlling the workbench 9 to slide on the support column 7, the upper end of the support rod 7 is provided with the machine head through a connecting flange 8, the machine head comprises a headstock 4, a rotating disc 5 arranged on one side of the headstock 4 and driving a spindle 2 to move up and down, a gear box 67 and a motor 41, an output shaft of the motor 41 is provided with a first belt wheel 6, one side of the first belt wheel 6 is provided with a second belt wheel 61 through a synchronous belt, a rotating shaft 62 penetrates through the second belt wheel 61, the rotating shaft 62 is sequentially provided with a first pinion 63 and a first gearwheel 64 in a sliding manner from top to, a toggle groove 65 is arranged below the first gearwheel 64, and an adjusting device 66 for adjusting the sliding arrangement of the first pinion 63 and the first gearwheel 64 on the rotating shaft 62 is arranged in the toggle groove 65; a main shaft 2 penetrates through the gear box 67, a second large gear 68 and a second small gear 69 are sequentially arranged at the upper end of the main shaft 2 from top to bottom, when the adjusting device 66 rotates anticlockwise, the second large gear 68 is meshed with the first small gear 63, and when the adjusting device 66 rotates clockwise, the second small gear 69 is meshed with the first large gear 64.

The stepless speed regulation of the main shaft 2 of the technical scheme is realized by inputting on a knob or a touch screen on a control panel, a protective cover is not required to be opened any more to replace a belt gear gearbox, only two gears of high speed and low speed are provided, a sensing switch is arranged on the gears, the electronic transmission ratio is automatically switched after the system senses signals after the gears are dialed, the operation is very convenient, and the shifting and adjusting device can realize the up-and-down sliding of the first small gear 63 and the first large gear 64 to realize the high-speed and low-speed conversion.

The drilling machine in the technical scheme can directly control the rotating speed of the drill bit through the control button, is convenient to operate and is beneficial to improving the machining efficiency. The drilling machine can stably and steplessly regulate the speed and can randomly select the optimal processing rotating speed. The volume of the drilling machine is reduced, and metal materials are saved; the drilling machine can reasonably utilize electric energy, and saves electricity. The drilling machine has the characteristic of constant power or constant torque, and can ensure good processing performance at high rotating speed and low rotating speed. Under the influence of an external power grid, external force and material hardness, the drilling machine can still ensure the drilling and cutting quality.

Preferably, the rotating shaft 62 is provided with a first limiting groove 70 and a second limiting groove 71, and both the first limiting groove 70 and the second limiting groove 71 are matched with a limiting projection 91 formed in the first pinion 63.

The first limiting groove 70 and the second limiting groove 71 in the present technical solution are used for limiting the first pinion 63 and the first gearwheel 64, and are in a low-speed state when the first pinion 63 and the first gearwheel 64 are in the first limiting groove 70, and are in a high-speed state when the first pinion 63 and the first gearwheel 64 are in the second limiting groove 71.

Preferably, the outer wall of the rotating shaft 62 is formed with a spline groove 72, and the spline groove 72 is matched with the spline 73 formed on the first small gear 63 and the first large gear 64.

Preferably, the adjusting device 66 includes a rotating handle 74, a shift lever 75 disposed on the rotating handle 74, and a long shift fork 76 disposed at one end of the shift lever 75, a shift pin 77 is disposed at one side of the long shift fork 76, an arc-shaped shift fork block 78 is mounted at one end of the shift pin 77, and the shift fork block 78 is disposed in the shift groove 65.

Preferably, a sleeve 11 is arranged outside the main shaft 2, a plurality of tooth grooves 12 are formed in the outer wall of the sleeve 11, and the tooth grooves 12 are engaged with shaft teeth 13 formed on one side of the rotating disc 5 to drive the rotating disc 5 to rotate so as to realize the up-and-down movement of the sleeve 11.

This technical scheme passes through mutually supporting operative employee of tooth's socket 12 and axle tooth 13 and only need be through the rotation of rolling disc 5 just can adjust the height of drill bit 1, and convenient operation can be quick realize the location of drill bit 1.

Preferably, support column 7 one side is provided with a rack 14, the both ends of rack 14 all are fixed with a safety ring 15, safety ring 15 cover is established on support column 7, workstation 9 cover is established on support column 7 and rack 14, through the drive rotate rocking arm 10 and rotate and realize reciprocating of workstation 9.

The safety ring 15 of the technical scheme is used for fixing the rack 14 arranged on one side of the main shaft 2, the workbench 8 is locked by being meshed with the rack 14, and the rotary rocker arm 10 can adjust the meshing degree of the workbench 9 and the rack 14, so that the height of the workbench 9 is adjusted.

Example two: as shown in fig. 7-9, the present embodiment is substantially the same as the first embodiment, and is different in that a cooling device 79 is disposed on one side of the head frame 4, the cooling device 79 includes a box body 21, a liquid inlet 22, a handle 23, a fixing plate 24, a push rod 25, a liquid outlet pipe 26, a push plate 27, a first one-way valve 28, a partition 29, a communicating pipe 210 and a second one-way valve 211, the box body 21 is connected to one side of the head frame 4 by screws, the top of the box body 21 is disposed with a liquid inlet 22, the box body 21 is disposed with a partition 29, the partition 29 is disposed with a communicating pipe 210, the communicating pipe 210 is disposed with a second one-way valve 211, the push plate 27 is slidably disposed between the lower portion of the partition 29 and the box body 21, one end of the push plate 27 is disposed with a push rod 25, the push rod 25 penetrates through the box body 21, one end of, the liquid outlet pipe 26 is positioned below the partition 29, and a first check valve 28 is arranged in the liquid outlet pipe 26.

This technical scheme only needs the workman to promote catch bar 25 gently through the handle, and catch bar 25 promotes catch plate 27 again, and catch plate 27 extrudees the cutting fluid for the cutting fluid passes through 26 duct flows of drain pipe to work piece processing department, reaches cooling's effect, has guaranteed the smooth and easy nature of work piece processing. Before the worker processes the hole on the workpiece, the worker checks whether the box body is internally provided with enough cutting fluid or not, if not, the cutting fluid is poured into the box body 21 through the fluid inlet 22, after the box body 21 is filled with the cutting fluid, workers stop pouring the cutting fluid, then after the workpiece is fixed, the worker adjusts the liquid outlet end of the liquid outlet pipe 26 to be aligned with the workpiece processing position, then the worker can carry out hole processing work, when the workpiece and the drill bit are overheated, the worker holds the handle by hand, the pushing rod 25 is pushed lightly by the handle, the pushing rod 25 drives the pushing plate 27 to move rightwards, the pushing plate 27 extrudes the cutting fluid in the clapboard 29, so that a certain amount of cutting fluid flows out to a workpiece processing position through the liquid outlet pipe 26, the temperature is reduced to ensure the normal operation of hole processing, when the cutting fluid in the clapboard 29 is finished, the worker pulls the push rod 25 to move leftward by the handle, so that the cutting fluid outside the partition 29 flows into the partition 29 through the communication pipe 210.

Preferably, the cooling device 79 further comprises a second mesh plate 212 and a rubber pad 213, the rubber pad 213 is disposed on the grip 23, and the second mesh plate 212 is disposed in the liquid inlet 22.

This technical scheme is equipped with second otter board 212, prevents that the sweeps from falling into the box through inlet 22. The provision of the rubber pad 213 makes it more comfortable for the worker to reuse the grip 23.

Example three: as shown in fig. 10 to 11, the present embodiment is substantially the same as the first embodiment, and the difference is that the base 51 is provided with the waste collecting device 3, the waste collecting device 3 includes a receiving body 36, a limiting member 37, a brush 38, a slag discharge port 39, a valve 310 and a first screen 311, the base 51 is provided with the receiving body 36 for collecting waste, the left and right sides of the receiving body 36 are provided with the limiting member 37, the limiting member 37 is connected with the brush 38 in a matching manner, the lower portion of the receiving body 36 is provided with the first screen 311, the lower portion of the right side of the receiving body 36 is provided with the slag discharge port 39, and the slag discharge port 39 is provided with the valve 310.

In the sweeps and the cutting fluid that produce fall storage body 36 in this technical scheme course of working, guaranteed the clean and tidy of workstation 9, collection sweeps that can be better. The sweeps that produces in the spot facing work in-process can fall into storage body 36 in, and the cutting fluid can pass through first otter board 311, and the sweeps is stayed on first otter board 311, so that the cyclic utilization of cutting fluid, the collection sweeps that can be better, the volume of chip removal needs to be cleared up greatly in the spot facing work in-process, perhaps when spot facing work finishes needs clearance workstation 9, the workman takes off brush 38 from locating part 37, sweep the sweeps into storage body 36 with brush 38 in the sweeps, storage body 36 all is equipped with brush 38 in the left and right sides, conveniently take, after brush 38 uses up, the workman blocks brush 38 into in the locating part 37, brush 38 is difficult for dropping. After the sweeps in the locating part 37 are full, the accommodating body 36 can be detached to pour out the sweeps inside, the worker opens the valve 310, so that the cutting fluid in the accommodating body 36 flows out, the worker collects and recycles the cutting fluid, and after the cutting fluid in the accommodating body 36 completely flows out, the worker closes the valve 310 and pours out the sweeps on the first screen plate 311.

Preferably, the limiting member 37 may also be a cylindrical pin 312, the cylindrical pin 312 is disposed on both left and right sides of the receiving body 36, a circular through hole 313 is formed on the brush 38, and the brush 38 is connected with the cylindrical pin 312 through the circular through hole 313 in a matching manner.

After the worker finishes using the brush 38, the worker can hang the brush on the cylindrical pin 312 by aligning the circular through hole 313 on the brush with the cylindrical pin 312, and the brush 38 can be taken conveniently and quickly.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A drilling machine is characterized by comprising a base (51), a supporting rod (7), a workbench (9) and a machine head, wherein the supporting rod (7) is arranged on the base (51), the working platform (9) is sleeved on the supporting rod (7), one side of the workbench (9) is provided with a rotating rocker (10) capable of controlling the workbench (9) to slide on a supporting column (7), the upper end of the supporting rod (7) is provided with the machine head through a connecting flange (8), the machine head comprises a headstock (4), a rotating disc (5) arranged on one side of the headstock (4) and driving a spindle (2) to move up and down, a gear box (67) and a motor (41), an output shaft of the motor (41) is provided with a first belt wheel (6), one side of the first belt wheel (6) is provided with a second belt wheel (61) through a synchronous belt, and a rotating shaft (62) penetrates through the second belt wheel (61), the rotating shaft (62) is sequentially provided with a first small gear (63) and a first large gear (64) in a sliding mode from top to bottom, a toggle groove (65) is formed below the first large gear (64), and an adjusting device (66) used for adjusting the sliding arrangement of the first small gear (63) and the first large gear (64) on the rotating shaft (62) is installed in the toggle groove (65); a main shaft (2) penetrates through the gear box (67), a second large gear (68) and a second small gear (69) are sequentially arranged at the upper end of the main shaft (2) from top to bottom, when the adjusting device (66) is rotated anticlockwise, the second large gear (68) is meshed with the first small gear (63), and when the adjusting device (66) is rotated clockwise, the second small gear (69) is meshed with the first large gear (64);

adjusting device (66) are including rotating handle (74), setting driving lever (75) on rotating handle (74) and long shift fork (76) of setting in driving lever (75) one end, long shift fork (76) one side is provided with one and dials round pin (77), a curved fork piece (78) is installed to round pin (77) one end, fork piece (78) sets up in shifting groove (65).

2. The drilling machine according to claim 1, characterized in that the rotating shaft (62) is provided with a first limiting groove (70) and a second limiting groove (71), and the first limiting groove (70) and the second limiting groove (71) are matched with a limiting lug (91) formed in the first pinion (63).

3. A drill press according to claim 2, characterised in that the outer wall of the rotatable shaft (62) is formed with a splined recess (72), the splined recess (72) being adapted to a spline (73) formed on the first pinion gear (63) and the first bull gear (64).

4. The drilling machine according to claim 1, characterized in that a sleeve (11) is arranged outside the main shaft (2), a plurality of tooth grooves (12) are formed on the outer wall of the sleeve (11), the tooth grooves (12) are meshed with shaft teeth (13) formed on one side of the rotating disc (5), and the rotating disc (5) is driven to rotate to realize the up-and-down movement of the sleeve (11).

5. The drilling machine according to claim 1, wherein a rack (14) is arranged on one side of the supporting column (7), two ends of the rack (14) are respectively fixed with a safety ring (15), the safety rings (15) are sleeved on the supporting column (7), the workbench (9) is sleeved on the supporting column (7) and the rack (14), and the workbench (9) is driven to rotate by the rotary rocker arm (10) to move up and down.

6. The drilling machine according to claim 1, wherein a cooling device (79) is arranged on one side of the headstock (4), the cooling device (79) comprises a box body (21), a liquid inlet (22), a handle (23), a fixing plate (24), a push rod (25), a liquid outlet pipe (26), a push plate (27), a first one-way valve (28), a partition plate (29), a communicating pipe (210) and a second one-way valve (211), the box body (21) is connected to one side of the headstock (4) in a screw connection mode, the top of the box body (21) is provided with the liquid inlet (22), the partition plate (29) is arranged in the box body (21), the communicating pipe (210) is arranged on the partition plate (29), the second one-way valve (211) is arranged in the communicating pipe (210), the push plate (27) can be slidably arranged between the lower part of the partition plate (29) and the box body (21), one end of the, the push rod (25) penetrates through the box body (21), a fixing plate (24) is welded at one end of the push rod (25), a handle (23) is connected to the left end of the fixing plate (24) through a screw, a liquid outlet pipe (26) is arranged on one side of the box body (21), the liquid outlet pipe (26) is located below the partition plate (29), and a first one-way valve (28) is arranged in the liquid outlet pipe (26).

7. The drill press of claim 6, wherein the cooling device (79) further comprises a second screen (212) and a rubber pad (213), the rubber pad (213) being disposed on the grip (23), the second screen (212) being disposed within the fluid inlet (22).

8. The drilling machine according to claim 1, wherein the base (51) is provided with a scrap collecting device (3), the scrap collecting device (3) comprises a receiving body (36), a limiting member (37), a brush (38), a slag discharge port (39), a valve (310) and a first screen plate (311), the receiving body (36) for collecting the scrap is arranged on the base (51), the limiting members (37) are arranged on the left side and the right side of the receiving body (36), the limiting members (37) are connected with the brush (38) in a matched manner, the first screen plate (311) is arranged on the lower portion inside the receiving body (36), the slag discharge port (39) is arranged on the lower portion on the right side of the receiving body (36), and the valve (310) is arranged on the slag discharge port (39).

9. The drilling machine according to claim 8, wherein the limiting member (37) is a cylindrical pin (312), the cylindrical pin (312) is disposed on the left side and the right side of the receiving body (36), a circular through hole (313) is formed in the brush (38), and the brush (38) is connected with the cylindrical pin (312) in a matching manner through the circular through hole (313).