CN217595939U

CN217595939U - Advertisement material processing drilling equipment

Info

Publication number: CN217595939U
Application number: CN202220974461.9U
Authority: CN
Inventors: 姜成龙
Original assignee: Wuhan Longshenglong Marketing Planning Co ltd
Current assignee: Wuhan Longshenglong Marketing Planning Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-10-18
Anticipated expiration: 2032-04-21

Abstract

The utility model relates to the technical field of billboard production, in particular to an advertisement material processing and drilling device which shortens the time for punching and positioning, improves the punching speed and has high working efficiency; including the platform, the slide rail, the slip table, the drilling machine, two pivots, two driven rollers, the gear box, including a motor, an end cap, a controller, and a cover plate, two drive shafts and two initiative rollers, two slide rail parallel mount are on the platform, slip table slidable mounting is on two slide rails, actuating mechanism is connected with the slip table transmission, the drilling machine is installed on the slip table, two pivots are installed on the platform, two driven rollers rotate respectively and install in two pivots, the gear box is installed on the platform, the motor is installed on the gear box, the output shaft of motor is connected with the concentric transmission of input shaft of gear box, install two drive shafts on two output shafts of gear box with one heart, concentric cover is equipped with the initiative roller in two drive shafts, be provided with certain clearance between two initiative rollers and two driven rollers.

Description

Advertisement material processing drilling equipment

Technical Field

The utility model relates to a technical field of bill-board production especially relates to an advertisement material processing drilling equipment.

Background

Can use multiple material during bill-board production, some materials need drill processing, especially the material of the rectangular shape that the bill-board needs, when the material of rectangular shape need punch in succession, need consume the longer time and punch the location, cause the speed of punching to reduce, lead to work efficiency to reduce.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a shorten the time of punching the location, improve the speed of punching, advertisement material processing drilling equipment that work efficiency is high.

The utility model discloses an advertisement material processing drilling equipment, which comprises a platform, a slide rail, the slip table, the drilling machine, two pivots, two driven rollers, the gear box, including a motor, an end cap, a controller, and a cover plate, two drive shafts and two initiative rollers, the lower terminal surface of platform is provided with a plurality of landing legs, two slide rails parallel mount are at the middle part of the up end of platform, the slip table passes through a plurality of sliders slidable mounting on two slide rails, actuating mechanism installs on the platform, actuating mechanism is connected with the slip table transmission, the drilling machine is installed on the slip table, install the drill bit on the drilling machine, two pivots are installed on the up end of platform, two pivots symmetrical arrangement are in the left and right sides of drilling machine, two driven rollers rotate respectively and install on two pivots, the gear box is installed on the up end of platform, the gear box aligns with the drilling machine, the motor is installed on the outer wall of gear box, the output shaft of motor is connected with the concentric transmission of the input shaft of gear box, the gear box is provided with two output shafts, two drive shafts are installed with one heart on two output shafts, concentric covers are equipped with initiative rollers on two output shafts, two drive shafts, two initiative rollers are symmetrical arrangement are in the left and right sides of drill bit of two initiative rollers in drilling machine, two initiative rollers, be provided with certain clearance between two initiative rollers; the hole site that will first hole site mark, insert the material of rectangular shape between two driven rollers and two initiative rollers, two driven rollers press from both sides the material of rectangular shape with two initiative rollers tightly, the hole site that punches in succession as required sets for the procedure of equipment operation, the adjustment material makes the drill bit of drilling machine aim at the mark of first hole site, start the drilling machine, equipment makes actuating mechanism drive slip table and drilling machine be close to rectangular material according to the procedure, the first hole of rectangular article is perforated to the drill bit of drilling machine, actuating mechanism drives slip table and drilling machine and retreats along two slide rails, the motor rotates according to the procedure, the motor passes through two drive shafts of gear box drive and two initiative rollers and rotates certain angle, two initiative rollers drive rectangular material and remove certain distance and make the drill bit of drilling machine aim at next hole site, punch once more, equipment finishes with the continuous hole of rectangular shape material after repeating many times, shorten the time of punching the location, improve the speed of punching, high work efficiency.

Preferably, the driving mechanism further comprises a screw rod and a stepping motor, two ends of the screw rod are respectively rotatably connected with the two vertical plates, the two vertical plates are arranged on the upper end face of the platform, the sliding table is rotatably connected with the screw rod through a screw rod nut, the stepping motor is arranged on one vertical plate, and an output shaft of the stepping motor is concentrically connected with the screw rod; step motor drives the lead screw and rotates, and the lead screw passes through screw-nut and drives the slip table and remove along two slide rails for the degree of depth of punching and the speed of punching are controllable, improve equipment's practicality.

Preferably, the drilling machine further comprises two sliding groove blocks, two stop blocks, two threaded rods and two springs, wherein two sliding grooves are arranged on the platform in parallel, the two sliding grooves are respectively positioned on the left side and the right side of the drilling machine, the two sliding grooves are parallel to the two sliding rails, the two sliding groove blocks are respectively and slidably mounted at the front ends of the two sliding grooves, the two driven rollers are respectively and rotatably mounted on the two sliding groove blocks through two rotating shafts, the two stop blocks are respectively mounted at the rear ends of the two sliding grooves, the two threaded rods are respectively mounted on the side walls of the two sliding groove blocks, the two threaded rods are respectively and slidably connected with the two stop blocks, the two springs are respectively sleeved on the two threaded rods, and the two ends of the two springs are respectively connected with the two sliding groove blocks and the two stop blocks; make two driven running rollers and two initiative running rollers can the centre gripping rectangular shape material of different thickness through setting up two threaded rods and two springs, rectangular shape material presss from both sides tightly when between two driven running rollers and two initiative running rollers, and two springs are compressed, and two dogs and two threaded rod are spacing to two sliding groove piece sliding guide, improve equipment's practicality.

Preferably, the device also comprises a plurality of positioning grooves, a plurality of snap rings and a plurality of locking bolts, wherein a plurality of vertical mounting grooves are formed in the outer walls of the two driven rollers and the two driving rollers; the positions of the plurality of snap rings on the two driven rollers and the two driving rollers are adjusted according to the width of the elongated material, and the plurality of locking bolts are fastened, so that the equipment can clamp the elongated material with different widths, and the universality of the equipment is improved.

Preferably, the device also comprises a material guide plate, the material guide plate is arranged on the upper end surface of the platform, the inner end of the material guide plate is aligned with the edges of the two driving rollers, and the outer end of the material guide plate is provided with an outward extending guide plate; the stock guide is with the material direction of rectangular shape, makes things convenient for the material of rectangular shape to get into between two driven running rollers and two initiative running rollers, improves work efficiency.

Preferably, the drilling machine further comprises a cooling liquid pipe and a nozzle, the cooling liquid pipe is mounted on the sliding table through a support, the nozzle is mounted at the output end of the cooling liquid pipe, and a water outlet of the nozzle is aligned with a drill bit of the drilling machine; the input and the external coolant liquid headtotail of coolant liquid pipe, the coolant liquid passes through the coolant liquid piping and carries to spout the drill bit to the drilling machine through the nozzle, cool off drilling process, avoid the drill bit to overheat and anneal, improve equipment's reliability.

Compared with the prior art, the beneficial effects of the utility model are that: the hole site that will first hole site mark, insert the material of rectangular shape between two driven rollers and two initiative rollers, two driven rollers press from both sides the material of rectangular shape with two initiative rollers tightly, the hole site that punches in succession as required sets for the procedure of equipment operation, the adjustment material makes the drill bit of drilling machine aim at the mark of first hole site, start the drilling machine, equipment makes actuating mechanism drive slip table and drilling machine be close to rectangular material according to the procedure, the first hole of rectangular article is perforated to the drill bit of drilling machine, actuating mechanism drives slip table and drilling machine and retreats along two slide rails, the motor rotates according to the procedure, the motor passes through two drive shafts of gear box drive and two initiative rollers and rotates certain angle, two initiative rollers drive rectangular material and remove certain distance and make the drill bit of drilling machine aim at next hole site, punch once more, equipment finishes with the continuous hole of rectangular shape material after repeating many times, shorten the time of punching the location, improve the speed of punching, high work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic structural view of a driven roller, a chute block, a stop block, a threaded rod, a spring and the like;

FIG. 4 is a schematic structural view of a gear box, a motor, a driving shaft, a driving roller and the like;

in the drawings, the reference numbers: 1. a platform; 2. a slide rail; 3. a sliding table; 4. a drilling machine; 5. a rotating shaft; 6. a driven roller; 7. a gear case; 8. a motor; 9. a drive shaft; 10. a driving roller; 11. a screw rod; 12. a stepping motor; 13. a chute block; 14. a stopper; 15. a threaded rod; 16. a spring; 17. positioning a groove; 18. a snap ring; 19. locking the bolt; 20. a stock guide; 21. a coolant tube; 22. and (4) a nozzle.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

An advertising material processing and drilling device comprises a platform 1, slide rails 2, a sliding table 3, a drilling machine 4, two rotating shafts 5, two driven rollers 6, a gear box 7, a motor 8, two driving shafts 9 and two driving rollers 10, wherein a plurality of support legs are arranged on the lower end face of the platform 1, the two slide rails 2 are parallelly arranged in the middle of the upper end face of the platform 1, the sliding table 3 is slidably arranged on the two slide rails 2 through a plurality of sliders, a driving mechanism is arranged on the platform 1 and is in transmission connection with the sliding table 3, the drilling machine 4 is arranged on the sliding table 3, a drill bit is arranged on the drilling machine 4, the two rotating shafts 5 are arranged on the upper end face of the platform 1, the two rotating shafts 5 are symmetrically arranged on the left side and the right side of the drilling machine 4, the two driven rollers 6 are respectively and rotatably arranged on the two rotating shafts 5, the gear box 7 is arranged on the upper end face of the platform 1, the gear box 7 is aligned with the drilling machine 4, the motor 8 is arranged on the outer wall of the gear box 7, the output shaft of the motor 8 is in concentric transmission connection with the input shaft of the driving gear box 7, the two output shafts are concentrically arranged on the two driving shafts 9, the two output shafts, a certain gap is arranged between the two driving rollers 6; marking a first hole site, inserting the material of rectangular shape between two driven rollers 6 and two initiative running rollers 10, the material of rectangular shape is pressed from both sides tightly with two initiative running rollers 10 for two driven rollers 6, the hole site that punches in succession as required sets for the procedure of equipment operation, the adjustment material makes the drill bit of drilling machine 4 aim at the mark of first hole site, start drilling machine 4, equipment makes actuating mechanism drive slip table 3 and drilling machine 4 be close to rectangular material according to the procedure, the first hole of rectangular thing is punched to the drill bit of drilling machine 4, actuating mechanism drives slip table 3 and drilling machine 4 and retreats along two slide rails 2, motor 8 rotates according to the procedure, motor 8 passes through gear box 7 drive two drive shafts 9 and two initiative running rollers 10 and rotates certain angle, two initiative running rollers 10 drive rectangular material and remove certain distance and make the drill bit of drilling machine 4 aim at next hole site, punch once more, equipment punches the continuous hole of rectangular material after repeating many times, shorten the time of punching the location, improve the speed of punching, high work efficiency.

Example 2

An advertising material processing and drilling device comprises a platform 1, slide rails 2, a sliding table 3, a drilling machine 4, two rotating shafts 5, two driven rollers 6, a gear box 7, a motor 8, two driving shafts 9 and two driving rollers 10, wherein a plurality of support legs are arranged on the lower end face of the platform 1, the two slide rails 2 are parallelly arranged in the middle of the upper end face of the platform 1, the sliding table 3 is slidably arranged on the two slide rails 2 through a plurality of sliders, a driving mechanism is arranged on the platform 1 and is in transmission connection with the sliding table 3, the drilling machine 4 is arranged on the sliding table 3, a drill bit is arranged on the drilling machine 4, the two rotating shafts 5 are arranged on the upper end face of the platform 1, the two rotating shafts 5 are symmetrically arranged on the left side and the right side of the drilling machine 4, the two driven rollers 6 are respectively and rotatably arranged on the two rotating shafts 5, the gear box 7 is arranged on the upper end face of the platform 1, the gear box 7 is aligned with the drilling machine 4, the motor 8 is arranged on the outer wall of the gear box 7, the output shaft of the motor 8 is in concentric transmission connection with the input shaft of the driving gear box 7, the two output shafts are concentrically arranged on the two driving shafts 9, the two output shafts, a certain gap is arranged between the two driving rollers 6; the driving mechanism further comprises a screw rod 11 and a stepping motor 12, two ends of the screw rod 11 are respectively in rotary connection with two vertical plates, the two vertical plates are arranged on the upper end face of the platform 1, the sliding table 3 is in rotary connection with the screw rod 11 through a screw rod nut, the stepping motor 12 is arranged on one vertical plate, and an output shaft of the stepping motor 12 is concentrically connected with the screw rod 11; the automatic feeding device also comprises a material guide plate 20, wherein the material guide plate 20 is arranged on the upper end surface of the platform 1, the inner end of the material guide plate 20 is aligned with the edges of the two driving rollers 10, and the outer end of the material guide plate 20 is provided with an outward extending guide plate; the drilling machine further comprises a cooling liquid pipe 21 and a nozzle 22, wherein the cooling liquid pipe 21 is installed on the sliding table 3 through a support, the nozzle 22 is installed at the output end of the cooling liquid pipe 21, and the water outlet of the nozzle 22 is aligned to a drill bit of the drilling machine 4; step motor 12 drives lead screw 11 and rotates, lead screw 11 passes through screw-nut and drives slip table 3 and remove along two slide rails 2, make the degree of depth of punching and the speed of punching controllable, stock guide 20 leads the material of rectangular shape, make things convenient for the material of rectangular shape to get into between two driven running rollers 6 and two initiative running rollers 10, the input and the external coolant system connection of coolant pipe 21, the coolant liquid passes through coolant pipe 21 and carries, and spout the drill bit to drilling machine 4 through nozzle 22, cool off to the drilling process, avoid drill bit overheat annealing, improve equipment's reliability.

Example 3

An advertising material processing and drilling device comprises a platform 1, slide rails 2, a sliding table 3, a drilling machine 4, two rotating shafts 5, two driven rollers 6, a gear box 7, a motor 8, two driving shafts 9 and two driving rollers 10, wherein a plurality of support legs are arranged on the lower end face of the platform 1, the two slide rails 2 are parallelly arranged in the middle of the upper end face of the platform 1, the sliding table 3 is slidably arranged on the two slide rails 2 through a plurality of sliders, a driving mechanism is arranged on the platform 1 and is in transmission connection with the sliding table 3, the drilling machine 4 is arranged on the sliding table 3, a drill bit is arranged on the drilling machine 4, the two rotating shafts 5 are arranged on the upper end face of the platform 1, the two rotating shafts 5 are symmetrically arranged on the left side and the right side of the drilling machine 4, the two driven rollers 6 are respectively and are rotatably arranged on the two rotating shafts 5, the gear box 7 is arranged on the upper end face of the platform 1, the gear box 7 is aligned with the drilling machine 4, the motor 8 is arranged on the outer wall of the gear box 7, the output shaft of the motor 8 is in transmission connection with the input shaft of the driving gear box 7, the driving roller 7, the gear box 7 is provided with two output shafts, the two driving shafts 9 are concentrically arranged on the two driving shafts, the two driving shafts 9, the two driving shafts are concentrically arranged on the driving rollers 9, the driving rollers 10, the two driving rollers 10, a certain gap is arranged between the left side and the two driving rollers 10; the drilling machine is characterized by further comprising two sliding groove blocks 13, two stop blocks 14, two threaded rods 15 and two springs 16, wherein the platform 1 is provided with two sliding grooves in parallel, the two sliding grooves are respectively positioned at the left side and the right side of the drilling machine 4 and are parallel to the two sliding rails 2, the two sliding groove blocks 13 are respectively and slidably mounted at the front ends of the two sliding grooves, the two driven rollers 6 are respectively and rotatably mounted on the two sliding groove blocks 13 through two rotating shafts 5, the two stop blocks 14 are respectively mounted at the rear ends of the two sliding grooves, the two threaded rods 15 are respectively mounted on the side walls of the two sliding groove blocks 13, the two threaded rods 15 are respectively and slidably connected with the two stop blocks 14, the two springs 16 are respectively sleeved on the two threaded rods 15, and the two ends of the two springs 16 are respectively connected with the two sliding groove blocks 13 and the two stop blocks 14; the device comprises a plurality of driving rollers 10, two driven rollers 6 and a plurality of driving rollers 10, and is characterized by further comprising a plurality of positioning grooves 17, a plurality of snap rings 18 and a plurality of locking bolts 19, wherein a plurality of vertical mounting grooves are formed in the outer walls of the two driven rollers 6 and the two driving rollers 10, the two snap rings 18 are respectively sleeved on the two driven rollers 6 and the two driving rollers 10, the plurality of locking bolts 19 are respectively rotatably screwed on the plurality of snap rings 18, and the inner ends of the plurality of locking bolts 19 are respectively contacted with the plurality of positioning grooves 17; make two driven running rollers 6 and two initiative running rollers 10 can the centre gripping strip-shaped material of different thickness through setting up two threaded rods 15 and two springs 16, strip-shaped material presss from both sides tightly when two driven running rollers 6 and two initiative running rollers 10, two springs 16 are compressed, two dogs 14 and two threaded rods 15 are spacing to two spout piece 13 slip direction, the position on two driven running rollers 6 and two initiative running rollers 10 of a plurality of snap rings 18 of width adjustment according to the material of strip-shaped, and fasten through a plurality of locking bolt 19, make equipment can press from both sides the strip-shaped material of tight different width, improve equipment's commonality.

As shown in fig. 1 to 4, the advertisement material processing and drilling device of the present invention, when in operation, firstly, the positions of the plurality of snap rings 18 on the two driven rollers 6 and the two driving rollers 10 are adjusted according to the width of the strip-shaped material, and are fastened by the plurality of locking bolts 19, then the first hole site is marked, the strip-shaped material is inserted between the two driven rollers 6 and the two driving rollers 10, the strip-shaped material is clamped by the two driven rollers 6 and the two driving rollers 10, the two springs 16 are compressed, the two sliding groove blocks 13 are slidably guided and limited by the two stoppers 14 and the two threaded rods 15, then the operation program of the device is set according to the hole sites to be continuously punched, the cooling system is started, the material is adjusted to make the drill bit of the drilling machine 4 align with the mark of the first hole site, start drilling machine 4, equipment makes actuating mechanism drive slip table 3 and drilling machine 4 be close to rectangular material according to the procedure, the drill bit of drilling machine 4 is worn the first hole of rectangular material, actuating mechanism drives slip table 3 and drilling machine 4 and retreats along two slide rails 2, motor 8 rotates according to the procedure, motor 8 passes through two drive shafts 9 of gear box 7 drive and two initiative running rollers 10 and rotates certain angle, two initiative running rollers 10 drive rectangular material and remove certain distance and make drilling machine 4's drill bit aim at next hole site, punch once more, the coolant liquid passes through coolant liquid pipe 21 and carries simultaneously, and spout the drill bit to drilling machine 4 through nozzle 22, cool off drilling process, it can to finish the continuous hole of rectangular shape material last repeated many times back equipment.

The utility model discloses the main function who realizes does: the punching positioning time is shortened, the punching speed is improved, and the working efficiency is high.

The installation mode, the connection mode or the setting mode of the drilling device for processing the advertising materials of the utility model are common mechanical modes, and the drilling device can be implemented as long as the beneficial effects can be achieved; the utility model discloses an advertisement material processing drilling equipment's platform 1, slide rail 2, drilling machine 4, pivot 5, driven running roller 6, gear box 7, motor 8, drive shaft 9, initiative running roller 10, coolant liquid pipe 21, nozzle 22, spring 16, threaded rod 15, locking bolt 19 are for purchasing on the market, this industry technical staff only need according to its subsidiary operating specification install and operate can, and need not the technical staff in the field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The advertising material processing and drilling device is characterized by comprising a platform (1), slide rails (2), a sliding table (3), a drilling machine (4), two rotating shafts (5), two driven rollers (6), a gear box (7), a motor (8), two driving shafts (9) and two driving rollers (10), wherein a plurality of support legs are arranged on the lower end face of the platform (1), the two slide rails (2) are arranged in the middle of the upper end face of the platform (1) in parallel, the sliding table (3) is arranged on the two slide rails (2) in a sliding mode through a plurality of sliding blocks, a driving mechanism is arranged on the platform (1), the driving mechanism is in transmission connection with the sliding table (3), the drilling machine (4) is arranged on the sliding table (3), a drill bit is arranged on the drilling machine (4), the two rotating shafts (5) are arranged on the upper end face of the platform (1), the two rotating shafts (5) are symmetrically arranged on the left side and the right side of the sliding table (4), the two driven rollers (6) are respectively and rotatably arranged on the two rotating shafts (5), the gear box (7) is arranged on the upper end face of the platform (1), the gear box (7) and the outer wall of the gear box (8), and an output shaft of the motor (7) is connected with an output shaft of the motor (8), two driving shafts (9) are concentrically arranged on the two output shafts, driving rollers (10) are concentrically sleeved on the two driving shafts (9), the two driving rollers (10) are symmetrically arranged on the left side and the right side of a drill bit of the drilling machine (4), and a certain gap is arranged between the two driving rollers (10) and the two driven rollers (6).

2. The advertising material processing and drilling device as claimed in claim 1, wherein the driving mechanism further comprises a screw rod (11) and a stepping motor (12), two ends of the screw rod (11) are rotatably connected with two vertical plates respectively, the two vertical plates are mounted on the upper end surface of the platform (1), the sliding table (3) is rotatably connected with the screw rod (11) through a screw rod nut, the stepping motor (12) is mounted on one vertical plate, and an output shaft of the stepping motor (12) is concentrically connected with the screw rod (11).

3. The advertising material processing and drilling device as claimed in claim 1, further comprising two sliding groove blocks (13), two stoppers (14), two threaded rods (15) and two springs (16), wherein two sliding grooves are arranged in parallel on the platform (1), the two sliding grooves are respectively located on the left side and the right side of the drilling machine (4), the two sliding grooves are parallel to the two sliding rails (2), the two sliding groove blocks (13) are respectively slidably mounted at the front ends of the two sliding grooves, two driven rollers (6) are respectively rotatably mounted on the two sliding groove blocks (13) through two rotating shafts (5), the two stoppers (14) are respectively mounted at the rear ends of the two sliding grooves, the two threaded rods (15) are respectively mounted on the side walls of the two sliding groove blocks (13), the two threaded rods (15) are respectively slidably connected with the two stoppers (14), the two springs (16) are respectively mounted on the two threaded rods (15), and the two ends of the two springs (16) are respectively connected with the two sliding groove blocks (13) and the two stoppers (14).

4. The advertising material processing and drilling device as claimed in claim 3, further comprising a plurality of positioning grooves (17), a plurality of snap rings (18) and a plurality of locking bolts (19), wherein the outer walls of the two driven rollers (6) and the two driving rollers (10) are respectively provided with a plurality of vertical mounting grooves, the two driven rollers (6) and the two driving rollers (10) are respectively sleeved with two snap rings (18), the plurality of locking bolts (19) are respectively screwed on the plurality of snap rings (18), and the inner ends of the plurality of locking bolts (19) are respectively contacted with the plurality of positioning grooves (17).

5. The advertising material processing and drilling device as claimed in claim 1, further comprising a guide plate (20), wherein the guide plate (20) is mounted on the upper end surface of the platform (1), the inner end of the guide plate (20) is aligned with the edges of the two driving rollers (10), and the outer end of the guide plate (20) is provided with an overhanging guide plate.

6. The advertising material processing and drilling device as claimed in claim 1, further comprising a cooling liquid pipe (21) and a nozzle (22), wherein the cooling liquid pipe (21) is mounted on the sliding table (3) through a bracket, the nozzle (22) is mounted on the output end of the cooling liquid pipe (21), and the water outlet of the nozzle (22) is aligned with the drill bit of the drilling machine (4).