CN114953029A

CN114953029A - Safety type accounting book punching device and using method thereof

Info

Publication number: CN114953029A
Application number: CN202210534910.2A
Authority: CN
Inventors: 张玲玲; 张宇清; 尉莺凡; 张魁魁
Original assignee: Yantai Engineering and Technology College
Current assignee: Yantai Engineering and Technology College
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-08-30

Abstract

The invention belongs to the technical field of account book processing, and relates to a safe type accounting account book punching device and a using method thereof, wherein the safe type accounting account book punching device comprises a punching table, a clamping mechanism is arranged in the middle section of the top of the punching table, a placing seat is fixedly installed at the top of the punching table, a first sliding block is arranged at the bottom of the placing seat, a first driving screw sleeve is arranged on the first sliding block, a second sliding block is slidably connected in a second sliding groove, a fixed plate is arranged at the top of the second sliding block, a connecting rod is slidably inserted into the top of the fixed plate, a limiting piece is fixedly connected to the bottom end of the connecting rod, a compression spring is arranged between the top of the limiting piece and the fixed plate, pressing strips are fixedly connected to the top ends of the two connecting rods, two horizontal and transverse third sliding grooves are formed in the top of the placing seat, a top plate is arranged at the right end of the placing seat, positioning grooves are formed in the placing seat and the top plate, and a punching mechanism is arranged on the right side of the top of the punching table; this device can carry out the drilling of equidimension not to account book of different thickness, size, and can adjust the margin to, can collect the waste material simultaneously, promotes precision and efficiency of punching.

Description

Safety type accounting book punching device and using method thereof

Technical Field

The invention belongs to the technical field of account book processing, and particularly relates to a safety type accounting account book punching device and a using method thereof.

Background

Accounting is mainly based on money and certificates, comprehensive and systematic accounting and supervision are performed on capital movement of a certain unit by means of a special technical method, accounting information is provided for relevant aspects, and an economic management activity for participating in operation management and aiming at improving economic benefits is performed. In accounting's daily work, often use the puncher, punch various vouchers and the account book, then bind it.

The traditional punching square device is simple in structure, can not fix account books with different thicknesses, can not adjust the punched margin, and can not form holes in case of some thicker account books; simultaneously punch not accurate, can not collect the waste material, influence efficiency.

Disclosure of Invention

The invention provides a safety type accounting book punching device and a using method thereof, which are used for solving the problems.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to a safe punching device for an accounting book, which comprises a punching table, wherein the right side of the top of the punching table is provided with a waste hole, the top of the punching table is provided with a horizontal longitudinal first chute, the middle section of the top of the punching table is provided with a clamping mechanism, the clamping mechanism comprises a placing seat and a first driving screw rod, the placing seat is fixedly arranged at the top of the punching table, the bottom of the placing seat is provided with a first slide block, the first slide block is connected in the first chute in a sliding manner, the first driving screw rod is rotationally connected in the first chute and is in threaded connection with the first slide block, one end of the front end of the first driving screw rod extends to the outer side of the punching table and is fixedly provided with a hand-operated rod, the front end and the rear end of the placing seat are provided with horizontal second chutes, and the second chutes are connected with second slide blocks in a sliding manner, the utility model discloses a punching machine, including first slider, connecting rod, spacing piece, compression spring, connecting rod top fixedly connected with layering, place seat top and roof, second slider top is equipped with the fixed plate, the sliding plug in fixed plate top has the connecting rod, the spacing piece of connecting rod bottom fixedly connected with, be equipped with compression spring, two between spacing piece top and the fixed plate connecting rod top fixedly connected with layering, place the seat top and set up two horizontal third spouts in level, it is equipped with the roof to place the seat right-hand member, place and all seted up the constant head tank on seat and the roof, the bench top right side of punching is equipped with the mechanism of punching.

As a preferred technical scheme of the invention, the punching mechanism comprises a fixed frame, a fixed seat and a mounting plate, the fixed frame and the fixed seat are fixedly arranged at the top of the punching table, the top of the fixed seat is provided with a shaft sleeve and two pressure sensors, a third driving screw is rotatably connected between the top of the fixed frame and the shaft sleeve, two sliding rods are fixedly connected between the top of the fixed frame and the two pressure sensors, the top end of the third driving screw extends to the outer side of the fixed frame and is fixedly provided with a driven gear, the top of the fixed frame is fixedly provided with a first driving motor, the output end of the first driving motor is fixedly connected with a driving gear, the driving gear is meshed with the driven gear, the mounting plate is provided with a third driving screw sleeve and two sliding sleeves, the mounting plate is in threaded connection with the third driving screw through the third driving screw sleeve, the mounting panel passes through sliding sleeve and slide bar sliding connection, mounting panel top fixed mounting has second driving motor, second driving motor output end fixedly connected with driving pulley, the mounting panel bottom is rotated and is installed spacing seat, spacing seat axostylus axostyle department fixed mounting has driven pulley, driving belt has been cup jointed in the transmission between driven pulley and the driving pulley, spacing seat top fixed mounting has the drilling rod.

As a preferred technical scheme of the invention, the punching table and the waste material box are provided, the waste material box is inserted into the left side in the punching table, and the waste material hole is communicated with the waste material box, so that waste materials are conveniently collected.

As a preferable technical scheme, the pressing strip is U-shaped, the bottom of the pressing strip is fixedly bonded with a rubber anti-slip pad, and the top of the pressing strip is provided with a pull button, so that the clamping and fixing firmness of the account book is improved.

According to a preferable technical scheme of the invention, the top plate is carved with scale marks, the top plate is provided with a second driving screw sleeve, the second driving screw sleeve is connected with a second driving screw rod in an internal thread manner, the right end of the second driving screw rod is fixedly connected with an anti-skidding knob, the left end of the second driving screw rod is rotatably connected with a push plate, the bottom of the push plate is provided with two third slide blocks, and the third slide blocks are slidably connected with third sliding grooves, so that the margin distance of punching is conveniently adjusted.

As a preferred technical scheme of the invention, the slide rod is movably sleeved with the connecting sheet, the induction spring is fixedly connected between the top of the connecting sheet and the pressure sensor, the punching pressure is induced, and the automatic stop is performed after the drilling is finished, so that the account book is prevented from being damaged.

As a preferable technical scheme of the invention, the diameter of the driving gear is smaller than that of the driven gear, so that the rotating speed is reduced, and the moving stability of the mounting plate is improved.

As a preferable technical scheme of the invention, the diameter of the driving pulley is larger than that of the driven pulley, so that the drilling speed of the drill rod is increased.

As a preferred technical scheme of the invention, the drill rod, the positioning groove and the waste material hole are concentric.

As a preferred technical scheme of the invention, the use method of the safety type accounting book punching device comprises the following steps:

the method comprises the following steps: stacking and aligning the account book to be punched on a placing seat in a clamping mechanism, rotating a second driving screw rod through an anti-skidding knob to drive a push plate to move, adjusting the margin distance by referring to a scale mark on a top plate, and then withdrawing the push plate;

step two: the pressing bar is pulled up through the pull button, and the second sliding block is moved to adjust the pressing position; loosening the pull button compression spring to drive the pressing bar to fix the account book to be punched;

step three: the hand-operated rod is rotated to drive the first driving screw rod to rotate and drive the placing seat to move to adjust the punching position;

step four; and replacing a drill rod with a proper size, and controlling the first driving motor and the second driving motor to rotate by connecting an external controller to drill.

The invention has the following beneficial effects:

1. the anti-skidding knob in the clamping mechanism rotates the second driving lead screw, the second driving lead screw rotates to drive the push plate to move so as to push the account book, and the scale marks on the top plate are referred to, so that the purpose of adjusting the margin distance is achieved.

2. The pressing bar is pulled up through the pull button, and the second sliding block is moved to adjust the pressing position; loosening the pull button compression spring to drive the pressing bar to fix the account book to be punched; and meanwhile, the hand-operated rod is rotated to drive the first driving screw rod to rotate and drive the placing seat to move and adjust the punching position.

3. Through an external controller control device, a first driving motor drives a driving gear to rotate, the driving gear drives a driven gear to rotate, the driven gear drives a third driving lead screw to rotate, the third driving lead screw rotates to drive a mounting plate to move up and down, and the second driving motor is matched to drive a driving belt pulley to rotate, the driving belt pulley rotates to drive a driven belt pulley to rotate through a transmission belt, and the driven belt pulley rotates to drive a drill rod to rotate so as to realize efficient drilling; holes with different sizes can be drilled on the account book by replacing drill rods with different diameters; and meanwhile, the waste materials after drilling can fall into a waste material box through a waste material hole for collection.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of a safety type accounting book punching device according to the present invention;

FIG. 2 is a cross-sectional view of a punching device for a safety type accounting book of the present invention;

fig. 3 is a first schematic structural diagram of a clamping mechanism in the safety type accounting book punching device of the present invention;

FIG. 4 is a schematic structural diagram of a clamping mechanism in the safety type accounting book punching device according to the present invention;

FIG. 5 is a first schematic structural diagram of a punching mechanism in the punching device for a safety type accounting book of the present invention;

fig. 6 is a schematic structural diagram of a punching mechanism in the punching device for the safety accounting book of the invention.

In the figure: 1. a punching table; 2. a waste material box; 3. a scrap hole; 4. a first chute; 5. a clamping mechanism; 501. a placing seat; 502. a first drive screw; 503. a first slider; 504. a first drive nut; 505. a hand lever; 506. a second chute; 507. a second slider; 508. a fixing plate; 509. a connecting rod; 510. a limiting sheet; 511. a compression spring; 512. layering; 513. pulling a button; 514. a third chute; 515. a top plate; 516. a second drive nut; 517. a second drive screw; 518. an anti-slip knob; 519. pushing the plate; 520. a third slider; 521. positioning a groove; 6. a punching mechanism; 601. a fixed mount; 602. a fixed seat; 603. mounting a plate; 604. a shaft sleeve; 605. a pressure sensor; 606. a third drive screw; 607. a slide bar; 608. connecting sheets; 609. an induction spring; 610. a driven gear; 611. a first drive motor; 612. a driving gear; 613. a third drive screw sleeve; 614. a sliding sleeve; 615. a second drive motor; 616. a drive pulley; 617. a limiting seat; 618. a driven pulley; 619. a drive belt; 620. and (5) drilling a rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-6, a punching device for a safety type accounting book comprises a punching table 1, a waste hole 3 is formed on the right side of the top of the punching table 1, a horizontal longitudinal first chute 4 is formed on the top of the punching table 1, a clamping mechanism 5 is arranged in the middle section of the top of the punching table 1, the clamping mechanism 5 comprises a placing seat 501 and a first driving screw 502, the placing seat 501 is fixedly installed on the top of the punching table 1, a first slide block 503 is arranged at the bottom of the placing seat 501, the first slide block 503 is slidably connected in the first chute 4, a first driving screw 504 is arranged on the first slide block 503, the first driving screw 502 is rotatably connected in the first chute 4, the first driving screw 502 is in threaded connection with the first slide block 503, one end of the front end of the first driving screw 502 extends to the outer side of the punching table 1 and is fixedly provided with a hand lever 505, a horizontal second chute 506 is formed at the front end and the rear end of the placing seat 501, a second slide block 507 is slidably connected in the second chute 506, second slider 507 top is equipped with fixed plate 508, fixed plate 508 top is slided to peg graft and is had connecting rod 509, connecting rod 509 bottom fixedly connected with spacing piece 510, be equipped with pressure spring 511 between spacing piece 510 top and the fixed plate 508, two connecting rod 509 top fixedly connected with layering 512, place the seat 501 top and seted up two horizontal third spouts 514 of level, it is equipped with roof 515 to place the seat 501 right-hand member, it has all seted up constant head tank 521 on seat 501 and the roof 515 to place, it is equipped with mechanism 6 of punching to punch 1 top right side.

The punching mechanism 6 comprises a fixed mount 601, a fixed mount 602 and a mounting plate 603, the fixed mount 601 and the fixed mount 602 are fixedly mounted at the top of the punching table 1, the top of the fixed mount 602 is provided with a shaft sleeve 604 and two pressure sensors 605, a third driving screw 606 is rotatably connected between the top of the fixed mount 601 and the shaft sleeve 604, two sliding rods 607 are fixedly connected between the top of the fixed mount 601 and the two pressure sensors 605, the top end of the third driving screw 606 extends to the outer side of the fixed mount 601 and is fixedly provided with a driven gear 610, the top of the fixed mount 601 is fixedly provided with a first driving motor 611, the output end of the first driving motor 611 is fixedly connected with a driving gear 612, the driving gear 612 is meshed with the driven gear 610, the mounting plate 603 is provided with a third driving screw 613 and two sliding sleeves 614, the mounting plate 603 is in threaded connection with the third driving screw 606 through the third driving screw 613, the mounting plate 603 is in sliding connection with the sliding rods 607 through the sliding sleeves 614, a second driving motor 615 is fixedly installed at the top of the mounting plate 603, the output end of the second driving motor 615 is fixedly connected with a driving pulley 616, a limiting seat 617 is rotatably installed at the bottom of the mounting plate 603, a driven pulley 618 is fixedly installed at the shaft rod of the limiting seat 617, a driving belt 619 is sleeved between the driven pulley 618 and the driving pulley 616 in a transmission manner, and a drill rod 620 is fixedly installed at the top of the limiting seat 617; the punching machine comprises a punching table 1 and a waste box 2, wherein the waste box 2 is inserted into the left side in the punching table 1, and a waste hole 3 is communicated with the waste box 2, so that waste is convenient to collect; the pressing strip 512 is U-shaped, a rubber anti-slip pad is fixedly bonded at the bottom of the pressing strip 512, and a pull button 513 is arranged at the top of the pressing strip 512, so that the clamping and fixing firmness of the account book is improved; the top plate 515 is carved with scale marks, the top plate 515 is provided with a second driving screw sleeve 516, the second driving screw sleeve 516 is connected with a second driving screw 517 through internal threads, the right end of the second driving screw 517 is fixedly connected with an anti-skidding knob 518, the left end of the second driving screw 517 is rotatably connected with a push plate 519, the bottom of the push plate 519 is provided with two third slide blocks 520, and the third slide blocks 520 are slidably connected with third sliding grooves 514, so that the margin distance of punching is conveniently adjusted; a connecting sheet 608 is movably sleeved on the sliding rod 607, an induction spring 609 is fixedly connected between the top of the connecting sheet 608 and the pressure sensor 605, the punching pressure is induced, and the automatic stop is performed after the hole drilling is completed, so that the account book is prevented from being damaged; the diameter of the driving gear 612 is smaller than that of the driven gear 610, so that the rotating speed is reduced, and the moving stability of the mounting plate 603 is improved; the diameter of the driving pulley 616 is larger than that of the driven pulley 618, so that the drilling speed of the drill rod is increased; the drill rod 620, the positioning groove 521 and the waste hole 3 are concentric;

a use method of a safety type accounting book punching device comprises the following steps:

the method comprises the following steps: the book to be punched is stacked and aligned on the placing seat 501 in the clamping mechanism 5, the second driving screw 517 is rotated through the anti-skid knob 518 to drive the push plate 519 to move, the margin distance is adjusted by referring to the scale mark on the top plate 515, and then the push plate 519 is retracted;

step two: the pressing bar 512 is pulled up through a pull button 513, and the second sliding block 507 is moved to adjust the pressing position; loosening 513 the pull button 513 and pressing the spring 511 to drive the pressing bar 512 to fix the account book to be punched;

step three: the hand-operated lever 505 is rotated to drive the first driving screw 502 to rotate and drive the placing seat 501 to move to adjust the punching position;

step four; the drill rod 620 with a proper size is replaced, and the first driving motor 611 and the second driving motor 615 are controlled to rotate by connecting an external controller to drill.

Specifically, when the invention is used, an account book to be punched is placed on the placing seat 501, the antiskid knob 518 in the clamping mechanism 5 rotates the second driving screw 517, the second driving screw 517 rotates to drive the push plate 519 to move so as to push the account book, and the purpose of adjusting the margin distance is achieved by referring to the scale marks on the top plate 515; the pressing bar 512 is pulled up through a pull button 513, and the second sliding block 507 is moved to adjust the pressing position; the pressing spring 511 is pressed by loosening the pull button 513 to drive the pressing bar 512 to fix the account book to be punched; meanwhile, the hand crank 505 is rotated to drive the first driving screw 502 to rotate and drive the placing seat 501 to move to adjust the punching position; through an external controller control device, a first driving motor 611 drives a driving gear 612 to rotate, the driving gear 612 drives a driven gear 610 to rotate, the driven gear 610 rotates to drive a third driving lead screw 606 to rotate, the third driving lead screw 606 rotates to drive a mounting plate 603 to move up and down, a drill rod penetrates through a positioning groove 521 and a waste hole 3 to drill, and is matched with a second driving motor to drive a driving belt pulley to rotate, the driving belt pulley rotates to drive a driven belt pulley to rotate through a transmission belt, and the driven belt pulley rotates to drive the drill rod to rotate to realize efficient drilling; holes with different sizes can be formed in the account book by replacing drill rods with different diameters; meanwhile, the waste materials after drilling can fall into the waste material box 2 through the waste material hole 3 to be collected.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a safe type accounting account book perforating device, its characterized in that: the punching machine comprises a punching table (1), a waste hole (3) is formed in the right side of the top of the punching table (1), a horizontal longitudinal first sliding groove (4) is formed in the top of the punching table (1), a clamping mechanism (5) is arranged in the middle section of the top of the punching table (1), the clamping mechanism (5) comprises a placing seat (501) and a first driving lead screw (502), the placing seat (501) is fixedly installed at the top of the punching table (1), a first sliding block (503) is arranged at the bottom of the placing seat (501), the first sliding block (503) is slidably connected in the first sliding groove (4), a first driving screw sleeve (504) is arranged on the first sliding block (503), the first driving lead screw (502) is rotatably connected in the first sliding groove (4), the first driving lead screw (502) is in threaded connection with the first sliding block (503), one end of the first driving lead screw (502) extends to the outer side of the punching table (1) and is fixedly provided with a hand-rocking rod (505), the front end and the rear end of the placing seat (501) are both provided with a horizontal and transverse second sliding chute (506), a second sliding block (507) is connected in the second sliding groove (506) in a sliding way, a fixing plate (508) is arranged at the top of the second sliding block (507), the top of the fixed plate (508) is inserted with a connecting rod (509) in a sliding way, the bottom end of the connecting rod (509) is fixedly connected with a limiting piece (510), a compression spring (511) is arranged between the top of the limiting sheet (510) and the fixing plate (508), the top ends of the two connecting rods (509) are fixedly connected with a pressing bar (512), the top of the placing seat (501) is provided with two horizontal and transverse third sliding chutes (514), the punching machine is characterized in that a top plate (515) is arranged at the right end of the placing seat (501), positioning grooves (521) are formed in the placing seat (501) and the top plate (515), and a punching mechanism (6) is arranged on the right side of the top of the punching table (1).

2. The safety type accounting account book perforating device of claim 1, wherein: the punching mechanism (6) comprises a fixed frame (601), a fixed seat (602) and a mounting plate (603), the fixed frame (601) and the fixed seat (602) are fixedly mounted at the top of the punching table (1), the top of the fixed seat (602) is provided with a shaft sleeve (604) and two pressure sensors (605), a third driving lead screw (606) is rotatably connected between the top of the fixed frame (601) and the shaft sleeve (604), two sliding rods (607) are fixedly connected between the top of the fixed frame (601) and the two pressure sensors (605), the top end of the third driving lead screw (606) extends to the outer side of the fixed frame (601) and is fixedly provided with a driven gear (610), the top of the fixed frame (601) is fixedly provided with a first driving motor (611), the output end of the first driving motor (611) is fixedly connected with a driving gear (612), and the driving gear (612) is meshed with the driven gear (610), be equipped with a third drive swivel nut (613) and two sliding sleeves (614) on mounting panel (603), mounting panel (603) are through third drive swivel nut (613) and third drive lead screw (606) threaded connection, mounting panel (603) are through sliding sleeve (614) and slide bar (607) sliding connection, mounting panel (603) top fixed mounting has second driving motor (615), second driving motor (615) output end fixedly connected with driving pulley (616), mounting panel (603) bottom is rotated and is installed spacing seat (617), spacing seat (617) axostylus axostyle department fixed mounting has driven pulley (618), driving belt (619) has been cup jointed in the transmission between driven pulley (618) and driving pulley (616), spacing seat (617) top fixed mounting has drilling rod (620).

3. The safety type accounting account book perforating device of claim 1, characterized in that: including punching platform (1) and waste material box (2), left side in punching platform (1) is inserted in waste material box (2), waste material hole (3) and waste material box (2) intercommunication.

4. The safety type accounting account book perforating device of claim 1, wherein: the pressing strip (512) is U-shaped, a rubber anti-slip pad is fixedly bonded at the bottom of the pressing strip (512), and a pull button (513) is arranged at the top of the pressing strip (512).

5. The safety type accounting account book perforating device of claim 1, wherein: the improved structure of the anti-skidding push plate is characterized in that scale marks are carved on the top plate (515), a second driving threaded sleeve (516) is arranged on the top plate (515), a second driving lead screw (517) is connected to the inner thread of the second driving threaded sleeve (516), an anti-skidding knob (518) is fixedly connected to the right end of the second driving lead screw (517), a push plate (519) is connected to the left end of the second driving lead screw (517) in a rotating mode, two third sliding blocks (520) are arranged at the bottom of the push plate (519), and the third sliding blocks (520) are connected with a third sliding groove (514) in a sliding mode.

6. The safety type accounting account book perforating device of claim 2, characterized in that: the sliding rod (607) is movably sleeved with a connecting piece (608), and an induction spring (609) is fixedly connected between the top of the connecting piece (608) and the pressure sensor (605).

7. The safety type accounting account book perforating device of claim 2, wherein: the driving gear (612) has a diameter smaller than that of the driven gear (610).

8. The safety type accounting account book perforating device of claim 2, wherein: the diameter of the driving pulley (616) is larger than the diameter of the driven pulley (618).

9. The safety type accounting account book perforating device of claim 2, wherein: the drill rod (620), the positioning groove (521) and the waste material hole (3) are concentric.

10. The use method of the safety type accounting book punching device according to claim 1, characterized by comprising the following steps:

the method comprises the following steps: the method comprises the steps that the books to be punched are stacked, aligned and placed on a placing seat (501) in a clamping mechanism (5), a second driving screw rod (517) is rotated through an anti-skidding knob (518) to drive a push plate (519) to move, the margin distance is adjusted by referring to a scale mark on a top plate (515), and then the push plate (519) is retracted;

step two: the pressing strip (512) is pulled up through a pull button (513), and the second sliding block (507) is moved to adjust the pressing position; loosening (513) the pull button compression spring (511) to drive the pressing strip (512) to fix the account book to be punched;

step three: the hand-operated lever (505) is rotated to drive the first driving screw rod (502) to rotate and drive the placing seat (501) to move to adjust the punching position;

step four; and (4) replacing a drill rod (620) with a proper size, and controlling the first driving motor (611) and the second driving motor (615) to rotate by connecting an external controller to drill.