CN212285929U

CN212285929U - Automatic drilling machine

Info

Publication number: CN212285929U
Application number: CN201922355052.1U
Authority: CN
Inventors: 陈亚明
Original assignee: Guangzhou Yihui Metal Processing Machinery Co ltd
Current assignee: Guangzhou Yihui Metal Processing Machinery Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2021-01-05
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses an automatic drilling machine, including mainframe box, control system, stop gear, first drilling equipment, second drilling equipment all are located on the mainframe box, first drilling equipment with the second drilling equipment sets up relatively, first drilling equipment with the second drilling equipment all is equipped with the electric drill, the electric drill bottom is fixed with the drill bit; the limiting mechanism is located between the first drilling device and the second drilling device, and the control system is electrically connected with the first drilling device and the second drilling device. The utility model discloses an automatic drilling machine can drill to the absorber automatically, has practiced thrift the cost of labor, and drilling efficiency is high, and can guarantee the accuracy of drilling.

Description

Automatic drilling machine

Technical Field

The utility model relates to an automatic drilling equipment field, concretely relates to automatic drilling machine.

Background

In the prior art, when the absorber of the compressor is drilled, generally manually, the inventor finds the following problems in the prior art in the process of implementing the invention: drilling efficiency is lower through artifical manual drilling time, and the cost of labor is high, and hardly guarantees the accuracy of drilling during drilling.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide an automatic drilling machine which can automatically drill holes on an absorber, saves labor cost, has high drilling efficiency and can ensure the drilling accuracy.

The purpose of the utility model is realized through the following technical scheme:

the automatic drilling machine comprises a mainframe box, a control system, a limiting mechanism, a first drilling device and a second drilling device, wherein the control system, the limiting mechanism, the first drilling device and the second drilling device are all located on the mainframe box, the first drilling device and the second drilling device are arranged oppositely, electric drills are arranged on the first drilling device and the second drilling device, and drill bits are fixed at the bottoms of the electric drills; the limiting mechanism is located between the first drilling device and the second drilling device, and the control system is electrically connected with the first drilling device and the second drilling device.

The first drilling device and the second drilling device respectively comprise a first moving mechanism and a second moving mechanism, the first moving mechanism is fixed on the mainframe box, the second moving mechanism is fixed on the first moving mechanism, and the first moving mechanism drives the second moving mechanism to move back and forth; the electric drill is fixed on the second moving mechanism, and the second moving mechanism drives the electric drill to move up and down.

First moving mechanism includes first removal portion and first movable sliding plate at least, first removal portion includes first adjusting screw, first fixed block, two first adjusting bearings and two first movable supporting seats, two first movable supporting seats set up relatively, two first adjusting bearings are fixed in two respectively on the first movable supporting seat, two are passed respectively at first adjusting screw's both ends first adjusting bearing's middle part back and two first adjusting bearings link to each other, first fixed block is fixed in on the first adjusting screw, first movable sliding plate with first fixed block links to each other.

The second moving mechanism comprises a first supporting plate, a first driving connecting plate, a first driving piece, two first guide rails and a first sliding block, the first driving connecting plate is connected with the first supporting plate, the first driving piece is fixed on the first driving connecting plate, the two first guide rails are arranged on the first supporting plate relatively, the bottom of the first sliding block is connected with the two first guide rails respectively, the first driving piece is connected with the first sliding block, and the first driving piece drives the first sliding block to slide on the first guide rails.

First moving mechanism with still be equipped with first adjustment mechanism between the second moving mechanism, first adjustment mechanism is fixed in on the first moving mechanism, first adjustment mechanism includes two first regulating plates and second regulating plate, two first regulating plate sets up relatively, and the second regulating plate is located two between the first regulating plate, a side and two first regulating plates of second regulating plate are articulated mutually, two be equipped with corresponding first regulation portion on the first regulating plate, the opposite side of second regulating plate be equipped with the second regulation portion that first regulation portion matches, the second regulating plate links to each other with first regulating plate through first regulation portion, second regulation portion, the second moving mechanism is fixed in on the second regulating plate.

The second drilling device further comprises a third moving mechanism, the first moving mechanism is fixed on the third moving mechanism, and the third moving mechanism drives the first moving mechanism to move left and right.

The limiting mechanism comprises two first limiting blocks, two second limiting blocks and two third limiting blocks, the two first limiting blocks are oppositely arranged, first limiting grooves are respectively formed in the two first limiting blocks, and the two second limiting blocks are respectively movably arranged in the two first limiting grooves; limiting parts are respectively arranged on the two second limiting blocks; the two third limiting blocks are respectively fixed on two side edges of the two second limiting blocks, and the two limiting parts are located between the two third limiting blocks.

Stop gear still includes two third adjustment portions, two the third adjustment portion includes first regulation fixed plate and first regulation pole respectively, two first regulation fixed plate is fixed in two respectively a side of first stopper, two first regulation pole respectively the activity set up in two on the first regulation fixed plate, two be equipped with respectively on the second stopper with first regulation pole assorted first regulation hole, two first regulation pole is respectively through two first regulation hole and two the second stopper links to each other.

The automatic drilling machine further comprises a positioning mechanism, the positioning mechanism is fixed on the mainframe box and electrically connected with the control system, the positioning mechanism is located between the first drilling device and the second drilling device, a positioning portion is arranged on the positioning mechanism, and the positioning portion is located above the limiting mechanism.

Positioning mechanism includes location supporting seat, cylinder fixing base, drives actuating cylinder, guide bar and linear bearing, the location supporting seat is fixed in on the mainframe box, the cylinder fixing base is fixed in on the supporting seat, linear bearing, drive actuating cylinder and be fixed in on the cylinder fixing base, the one end of guide bar with it links to each other to drive actuating cylinder, the other end of guide bar passes behind linear bearing's the middle part with location portion links to each other.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the first drilling device and the second drilling device of the automatic drilling machine are electrically connected with the control system, the control system controls the electric drills on the first drilling device and the second drilling device to automatically drill the absorber placed on the automatic drilling machine, the drilling efficiency is improved, and the labor cost is reduced. The automatic drilling machine is further provided with a limiting mechanism, the limiting mechanism limits the absorber placed on the drilling machine, and the absorber is guaranteed to be placed on a correct position, so that the first drilling device and the second drilling device can guarantee the drilling precision when the absorber is drilled, and the deviation of the drilling position is avoided.

2. Electric drills of the first drilling device and the second drilling device are positioned on the second moving mechanism, after the absorber is placed on the limiting mechanism, the first moving mechanism drives the electric drills to move back and forth, and the positions of the electric drills are adjusted forwards or backwards; the second moving mechanism drives the electric drill to move up and down to adjust the height of the electric drill, so that the electric drill can be accurately aligned to the position on the absorber, which needs drilling, and the drilling precision is further ensured.

3. Still be equipped with first adjustment mechanism between first moving mechanism and the second moving mechanism, adjust the inclination of second moving mechanism through first adjustment mechanism to the inclination of the electric drill on the adjustment second moving mechanism further ensures the accurate position that needs drilling on aiming at the absorber of electric drill, after the inclination of adjustment electric drill simultaneously, can follow different angles different positions and carry out the drilling operation to the absorber.

4. And a third moving mechanism on the second drilling device drives the first moving mechanism to move left and right, and the position of the electric drill on the second drilling device can be conveniently adjusted left and right through the third moving mechanism.

5. The limiting mechanism further comprises two third adjusting parts, and the positions of the second limiting blocks are adjusted through the third adjusting parts, so that the purpose of adjusting the positions of the limiting parts is achieved, and the limiting parts are enabled to be better limiting for the absorber.

6. The automatic drilling machine further comprises a positioning mechanism, the absorber is fixed after being placed on the limiting mechanism and moves downwards, the absorber is prevented from moving in the drilling process, and deviation of the drilling position caused by movement of the absorber is avoided.

Drawings

Fig. 1 is a perspective view of an automatic drilling machine according to the present embodiment;

fig. 2 is a front view of the automatic drilling machine of the present embodiment;

FIG. 3 is a schematic structural diagram of a first drilling apparatus according to the present embodiment;

FIG. 4 is a schematic structural diagram of a second drilling apparatus according to the present embodiment;

FIG. 5 is a schematic view of the combination of the first moving part and the second moving part of the present embodiment;

fig. 6 is a schematic view of the second moving mechanism of the present embodiment in combination with a power drill;

fig. 7 is a schematic combination diagram of the first moving mechanism and the first adjusting mechanism of the present embodiment;

fig. 8 is an exploded view of a third moving mechanism of the present embodiment;

fig. 9 is a schematic structural view of the limiting mechanism of the present embodiment;

fig. 10 is a circuit diagram of the control system of the present embodiment;

reference numerals:

100. a main chassis; 200. a limiting mechanism; 300. a first drilling device; 400. a second drilling device; 500. an electric drill; 510. a drill bit; 600. an absorber; 310. a first moving mechanism; 320. a second moving mechanism; 311. a first moving part; 312. a second moving part; 313. a first movable slide; 3110. a first adjusting screw; 3111. a first fixed block; 3112. a first adjustment bearing; 3113. a first movable support seat; 3114. adjusting a hand wheel; 3120. a first slide shaft; 3121. a second slider; 321. a first support plate; 322. a first drive connection plate; 323. A first driving member; 324. a first guide rail; 325. a first slider; 326. a guide rail block; 327. a ball screw; 520. an electric drill holder; 530. an electric drill mounting seat; 540. briquetting; 700. A first adjustment mechanism; 710. a first adjusting plate; 720. a second adjusting plate; 730. a first regulating chute; 740. a first adjusting bolt; 330. a third moving mechanism; 331. a second adjusting screw; 332. a second fixed block; 333. a second movable support seat; 334. a second movable slide; 335. a first slide rail; 336. a third slider; 210. a first stopper; 220. a second limiting block; 230. a third limiting block; 240. a first limit groove; 250. a limiting part; 260. a first adjusting fixing plate; 270. a first adjusting lever; 800. a positioning mechanism; 810. a positioning part; 820. Positioning a supporting seat; 830. a cylinder fixing seat; 840. a driving cylinder; 850. a guide bar; 860. A linear bearing; 900. a control box; 910. and displaying the touch screen.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments. In the present specification, the terms "upper", "inner", "middle", "left", "right" and "one" are used for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the corresponding parts may be changed or adjusted without substantial technical changes.

As shown in fig. 1 and 2, the present embodiment discloses an automatic drilling machine, which includes a main chassis 100, a control system, a limiting mechanism 200, a first drilling device 300, and a second drilling device 400, wherein the control system, the limiting mechanism 200, the first drilling device 300, and the second drilling device 400 are all located on the main chassis 100, and the first drilling device 300 and the second drilling device 400 are oppositely disposed on the main chassis 100. The first drilling device 300 and the second drilling device 400 are both provided with an electric drill 500, and the bottom of the electric drill 500 is fixed with a drill bit 510; the limiting mechanism 200 is located between the first drilling device 300 and the second drilling device 400, and the control system is electrically connected with the first drilling device 300 and the second drilling device 400. The control system of this embodiment is a PLC control system, and the control method and control manner of this control system are prior art.

The first drilling device 300 and the second drilling device 400 of the automatic drilling machine are electrically connected with the control system, the control system controls the electric drills 500 on the first drilling device 300 and the second drilling device 400 to automatically drill the absorber 600 placed on the automatic drilling machine, the drilling efficiency is improved, and the labor cost is reduced. The limiting mechanism 200 on the automatic drilling machine limits the absorber 600 placed on the drilling machine, and ensures that the absorber 600 is placed at the correct position, so that the first drilling device 300 and the second drilling device 400 ensure the drilling precision when drilling the absorber 600, and the deviation of the drilling position is avoided.

As shown in fig. 2, each of the first drilling device 300 and the second drilling device 400 includes a first moving mechanism 310 and a second moving mechanism 320, the first moving mechanism 310 is fixed on the main chassis 100, the second moving mechanism 320 is fixed on the first moving mechanism 310, and the first moving mechanism 310 drives the second moving mechanism 320 to move back and forth; the electric drill 500 is fixed on the second moving mechanism 320, and the second moving mechanism 320 drives the electric drill 500 to move up and down. After the absorber 600 is placed on the limiting mechanism 200, the electric drill 500 is driven to move back and forth through the first moving mechanism 310, and the position of the electric drill 500 is adjusted forwards or backwards; the second moving mechanism 320 drives the electric drill 500 to move up and down to adjust the height of the electric drill 500, so that the drill bit 510 of the electric drill 500 can be accurately aligned to the position of the absorber 600, which needs to be drilled, and the drilling precision is further ensured.

As shown in fig. 3 and 4, the first moving mechanism 310 of the present embodiment includes a first moving portion 311, a second moving portion 312 and a first moving sliding plate 313, and preferably, there are two second moving portions 312, the two second moving portions 312 are respectively located on two opposite sides of the first moving portion 311, and the first moving sliding plate 313 is respectively connected to the first moving portion 311 and the second moving portion 312.

As shown in fig. 5, the first moving portion 311 includes a first adjusting screw 3110, a first fixing block 3111, two first adjusting bearings 3112 and two first moving support blocks 3113, the two first moving support blocks 3113 are disposed oppositely, the two first adjusting bearings 3112 are respectively fixed on the two first moving support blocks 3113, and the first adjusting bearings 3112 are deep groove ball bearings. The both ends of first adjusting screw 3110 pass behind two first adjusting bearing 3112's the middle part respectively and link to each other with two first adjusting bearing 3112, and the one end of first adjusting screw 3110 is equipped with adjusting handle 3114, and first fixed block 3111 is fixed in on the first adjusting screw 3110, and just first fixed block 3111 is located between two first removal supporting seats 3113, and the bottom of first removal slide 313 links to each other with first fixed block 3111.

The two second moving portions 312 each include a first sliding shaft 3120, two second sliding blocks 3121, and two first moving support bases 3113, the two first moving support bases 3113 are disposed oppositely, two ends of the first sliding shaft 3120 are respectively fixed on the two first moving support bases 3113, the two second sliding blocks 3121 are respectively movably disposed on the first sliding shaft 3120, the two second sliding blocks 3121 are located between the two first moving support bases 3113, the two second sliding blocks 3121 can slide back and forth on the first sliding shaft 3120, and the bottom of the first moving sliding plate 313 is respectively connected to the two second sliding blocks 3121.

Before drilling the hole in the absorber 600, the automatic drilling machine manually adjusts the first adjusting screw 3110 of the first moving portion 311 by rotating the adjusting hand wheel 3114, the first adjusting screw 3110 drives the first moving sliding plate 313 to move back and forth, and the first moving sliding plate 313 drives the second sliding block 3121 to move back and forth on the first sliding shaft 3120 in the moving process. The second moving mechanism 320 is fixed on the first moving sliding plate 313, and the first moving sliding plate 313 drives the electric drill 500 on the second moving mechanism 320 to move back and forth, so as to adjust the position of the electric drill 500 forwards or backwards.

As shown in fig. 6, the second moving mechanism 320 includes a first supporting plate 321, a first driving connecting plate 322, a first driving member 323, two first guide rails 324 and a first sliding block 325, the first driving connecting plate 322 is connected to the first supporting plate 321, the first driving member 323 is fixed on the first driving connecting plate 322, the first driving member 323 of the embodiment is a servo motor, the servo motor is of the type ECMA-CX0807ES, and the servo motor is connected to a control system, and the operation of the servo motor is controlled by the control system. The two first guide rails 324 are oppositely arranged on the first support plate 321, guide rail heightening blocks 326 are respectively arranged at the bottoms of the two first guide rails 324, and the guide rail heightening blocks 326 are fixed on the first support plate 321. The first slider 325 is connected at the bottom thereof to the two first guide rails 324, respectively. The driving main shaft of the first driving member 323 is connected to a coupler, the coupler is connected to the first sliding block 325 through a ball screw 327, and the first driving member 323 drives the first sliding block 325 to slide on the two first guide rails 324 through the coupler and the ball screw 327.

An electric drill clamping seat 520 is fixed on the first sliding block 325, an electric drill mounting seat 530 and a pressing block 540 are arranged on the electric drill clamping seat 520, an electric drill is formed among the electric drill clamping seat 520, the electric drill mounting seat 530 and the pressing block 540, and the electric drill 500 is fixed on an electric drill mounting position.

In order to further adjust the position of the electric drill 500, in this embodiment, a first adjusting mechanism 700 is further disposed between the first moving mechanism 310 and the second moving mechanism 320, as shown in fig. 7, the first adjusting mechanism 700 includes two first adjusting plates 710 and a second adjusting plate 720, the two first adjusting plates 710 are oppositely disposed on the first moving sliding plate 313, the second adjusting plate 720 is disposed between the two first adjusting plates 710, one side of the second adjusting plate 720 is hinged to the two first adjusting plates 710, corresponding first adjusting portions are disposed on the two first adjusting plates 710, the first adjusting portions include a first adjusting chute 730 and a first adjusting bolt 740, the first adjusting bolt 740 is disposed in the first adjusting chute 730, a second adjusting portion matched with the first adjusting bolt 740 is disposed on the other side of the second adjusting plate 720, the second adjusting plate 720 is connected to the first adjusting plate 710 through the first adjusting bolt 740 and the second adjusting portion, the second moving mechanism 320 is fixed to the second adjusting plate 720.

When the first adjusting mechanism 700 adjusts the second moving mechanism 320, the first adjusting bolt 740 is loosened to adjust the position of the first adjusting bolt 740 in the first adjusting chute 730, the first adjusting bolt 740 drives the second adjusting plate 720 to move to adjust the inclination angle of the second adjusting plate 720, and the first adjusting bolt 740 is screwed after adjustment. In the embodiment, the inclination angle of the second moving mechanism 320 is adjusted by the first adjusting mechanism 700, so that the inclination angle of the electric drill 500 on the second moving mechanism 320 is adjusted, it is further ensured that the electric drill 500 is accurately aligned with the position on the absorber 600, which needs to be drilled, and after the inclination angle of the electric drill 500 is adjusted, the absorber 600 can be drilled from different angles and different positions.

The second drilling device 400 further comprises a third moving mechanism 330, the first moving mechanism 310 is fixed on the third moving mechanism 330, the third moving mechanism 330 drives the first moving mechanism 310 to move left and right, and the position of the electric drill 500 on the second drilling device 400 can be conveniently adjusted left and right through the third moving mechanism 330.

As shown in fig. 8, the third moving mechanism 330 includes a second adjusting screw 331, a second fixed block 332, two second adjusting bearings, two second moving supports 333, and a second moving slide plate 334, where the two second moving supports 333 are disposed oppositely, the two second adjusting bearings are respectively fixed on the two second moving supports 333, and the second adjusting bearings are deep groove ball bearings. Two ends of the second adjusting screw 331 respectively penetrate through the two second adjusting bearings and then are connected with the two second adjusting bearings, and one end of the second adjusting screw 331 is provided with an adjusting hand wheel 3114. The second fixed block 332 is fixed on the second adjusting screw 331, the second fixed block 332 is located between the two second movable supporting seats 333, the bottom of the second movable sliding plate 334 is connected with the second fixed block 332, and the first moving mechanism 310 is fixed on the second movable sliding plate 334.

The third moving mechanism 330 further includes two first sliding rails 335, the two first sliding rails 335 are respectively fixed to two opposite sides of the second adjusting screw 331, three third sliding blocks 336 are respectively disposed on the two first sliding rails 335, the three third sliding blocks 336 can slide left and right on the first sliding rails 335, and the bottom of the second moving sliding plate 334 is respectively connected to the third sliding blocks 336.

As shown in fig. 9, the limiting mechanism 200 includes two first limiting blocks 210, two second limiting blocks 220 and two third limiting blocks 230, the two first limiting blocks 210 are disposed oppositely, the two first limiting blocks 210 are respectively provided with first limiting grooves 240, and the two second limiting blocks 220 are respectively movably disposed in the two first limiting grooves 240; the two second limiting blocks 220 are respectively provided with a limiting part 250; the two third stoppers 230 are respectively fixed to two sides of the two second stoppers 220, and the two stopper portions 250 are located between the two third stoppers 230.

The limiting mechanism 200 further includes two third adjusting portions, the two third adjusting portions respectively include a first adjusting fixing plate 260 and a first adjusting rod 270, the two first adjusting fixing plates 260 are respectively fixed to one side of the two first limiting blocks 210, the two first adjusting rods 270 are respectively movably disposed on the two first adjusting fixing plates 260, the two second limiting blocks 220 are respectively provided with first adjusting holes matched with the first adjusting rods 270, and the two first adjusting rods 270 are respectively connected with the two second limiting blocks 220 through the two first adjusting holes. The position of the second limiting block 220 is adjusted by the third adjusting portion, so that the purpose of adjusting the position of the limiting portion 250 is achieved, and the limiting portion 250 can better limit the absorber 600.

As shown in fig. 2, the automatic drilling machine further includes a positioning mechanism 800, the positioning mechanism 800 is fixed on the main chassis 100, the positioning mechanism 800 is electrically connected to the control system, the positioning mechanism 800 is located between the first drilling device 300 and the second drilling device 400, the positioning mechanism 800 is provided with a positioning portion 810, and the positioning portion 810 is located above the limiting mechanism 200. After the absorber 600 is placed on the limiting mechanism 200, the positioning mechanism 800 fixes the absorber 600 after moving downwards, so that the absorber 600 is prevented from moving in the drilling process, and the deviation of the drilling position caused by the movement of the absorber 600 is avoided.

As shown in fig. 1, the positioning mechanism 800 of this embodiment includes a positioning support 820, a cylinder fixing seat 830, a driving cylinder 840, a guide rod 850 and a linear bearing 860, the positioning support 820 is fixed on the main chassis 100, the cylinder fixing seat 830 is fixed on the support seat, the linear bearing 860 and the driving cylinder 840 are fixed on the cylinder fixing seat 830, one end of the guide rod 850 is connected with the driving cylinder 840, and the other end of the guide rod 850 passes through the middle of the linear bearing 860 and then is connected with the positioning portion 810.

The automatic drilling machine of this embodiment is further provided with a control box 900, the control box 900 is fixed on the main chassis 100, the control box 900 is provided with a display touch screen 910, the display touch screen 910 is connected with a control system, and the control box 900 is further provided with a selection switch, a start switch, an emergency stop switch, and the like.

As shown in fig. 10, which is a circuit diagram of the control system of this embodiment, the control chip of the control system of this embodiment is FX3GA-24MT, the control system controls the driving cylinder 840 of the positioning mechanism 800 to drive the positioning part 810 to move downwards, so as to fix the absorber 600, and after the absorber 600 drills, the control system controls the driving cylinder 840 to drive the positioning part 810 to move upwards. The control system controls the servo motors of the first drilling device 300 and the second drilling device 400 to drive the electric drill 500 to move downwards, controls the electric drill 500 to drill the absorber 600, and controls the servo motors of the first drilling device 300 and the second drilling device 400 to drive the electric drill 500 to move upwards after the absorber 600 finishes drilling.

The embodiment of the present invention is not limited to this, according to the above-mentioned content of the present invention, the common technical knowledge and the conventional means in the field are utilized, without departing from the basic technical idea of the present invention, the present invention can also make other modifications, replacements or combinations in various forms, all falling within the protection scope of the present invention.

Claims

1. The automatic drilling machine is characterized by comprising a mainframe box, a control system, a limiting mechanism, a first drilling device and a second drilling device, wherein the control system, the limiting mechanism, the first drilling device and the second drilling device are all positioned on the mainframe box, the first drilling device and the second drilling device are arranged oppositely, electric drills are arranged on the first drilling device and the second drilling device, and drill bits are fixed at the bottoms of the electric drills; the limiting mechanism is located between the first drilling device and the second drilling device, and the control system is electrically connected with the first drilling device and the second drilling device.

2. The automatic drilling machine according to claim 1, wherein the first drilling device and the second drilling device each comprise a first moving mechanism and a second moving mechanism, the first moving mechanism is fixed on the main chassis, the second moving mechanism is fixed on the first moving mechanism, and the first moving mechanism drives the second moving mechanism to move back and forth; the electric drill is fixed on the second moving mechanism, and the second moving mechanism drives the electric drill to move up and down.

3. The automatic drilling machine according to claim 2, wherein the first moving mechanism includes at least a first moving portion and a first moving slide plate, the first moving portion includes a first adjusting screw, a first fixed block, two first adjusting bearings and two first moving support blocks, the two first moving support blocks are disposed opposite to each other, the two first adjusting bearings are fixed to the two first moving support blocks, respectively, both ends of the first adjusting screw penetrate through middle portions of the two first adjusting bearings and are connected to the two first adjusting bearings, the first fixed block is fixed to the first adjusting screw, and the first moving slide plate is connected to the first fixed block.

4. The automatic drilling machine according to claim 2, wherein the second moving mechanism includes a first support plate, a first driving connecting plate, a first driving member, two first guide rails, and a first slider, the first driving connecting plate is connected to the first support plate, the first driving member is fixed to the first driving connecting plate, the two first guide rails are oppositely disposed on the first support plate, the bottom of the first slider is connected to the two first guide rails, respectively, the first driving member is connected to the first slider, and the first driving member drives the first slider to slide on the two first guide rails.

5. The automatic drilling machine according to claim 2, wherein a first adjusting mechanism is further disposed between the first moving mechanism and the second moving mechanism, the first adjusting mechanism is fixed on the first moving mechanism, the first adjusting mechanism includes two first adjusting plates and a second adjusting plate, the two first adjusting plates are disposed oppositely, the second adjusting plate is disposed between the two first adjusting plates, one side of the second adjusting plate is hinged to the two first adjusting plates, corresponding first adjusting portions are disposed on the two first adjusting plates, a second adjusting portion matched with the first adjusting portions is disposed on the other side of the second adjusting plate, the second adjusting plate is connected with the first adjusting plates through the first adjusting portions and the second adjusting portions, and the second moving mechanism is fixed on the second adjusting plate.

6. The automatic drilling machine of claim 2, wherein the second drilling device further comprises a third moving mechanism, the first moving mechanism is fixed on the third moving mechanism, and the third moving mechanism drives the first moving mechanism to move left and right.

7. The automatic drilling machine according to any one of claims 1 to 6, wherein the limiting mechanism comprises two first limiting blocks, two second limiting blocks and two third limiting blocks, the two first limiting blocks are oppositely arranged, first limiting grooves are respectively formed in the two first limiting blocks, and the two second limiting blocks are respectively movably arranged in the two first limiting grooves; limiting parts are respectively arranged on the two second limiting blocks; the two third limiting blocks are respectively fixed on two side edges of the two second limiting blocks, and the two limiting parts are located between the two third limiting blocks.

8. The automatic drilling machine according to claim 7, wherein the limiting mechanism further comprises two third adjusting portions, the two third adjusting portions respectively comprise a first adjusting fixing plate and a first adjusting rod, the two first adjusting fixing plates are respectively fixed on one side edge of the two first limiting blocks, the two first adjusting rods are respectively movably arranged on the two first adjusting fixing plates, the two second limiting blocks are respectively provided with first adjusting holes matched with the first adjusting rods, and the two first adjusting rods are respectively connected with the two second limiting blocks through the two first adjusting holes.

9. The automatic drilling machine according to any one of claims 1 to 6, wherein the automatic drilling machine further comprises a positioning mechanism, the positioning mechanism is fixed on the main chassis, the positioning mechanism is electrically connected with the control system, the positioning mechanism is located between the first drilling device and the second drilling device, a positioning portion is arranged on the positioning mechanism, and the positioning portion is located above the limiting mechanism.

10. The automatic drilling machine according to claim 9, wherein the positioning mechanism includes a positioning support, a cylinder fixing seat, a driving cylinder, a guide rod and a linear bearing, the positioning support is fixed on the main chassis, the cylinder fixing seat is fixed on the support, the linear bearing and the driving cylinder are fixed on the cylinder fixing seat, one end of the guide rod is connected with the driving cylinder, and the other end of the guide rod passes through the middle of the linear bearing and then is connected with the positioning portion.