CN116422930A

CN116422930A - Automatic punching equipment and method for high-precision conductive copper bars

Info

Publication number: CN116422930A
Application number: CN202310563354.6A
Authority: CN
Inventors: 薛盈利; 吴本喜; 胡道勇; 丁坤坤; 程刚
Original assignee: Anhui Yuanzheng Cable Technology Co ltd
Current assignee: Anhui Yuanzheng Cable Technology Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-07-14

Abstract

The invention relates to the technical field of conductive copper bar punching, which is used for solving the problems that the conventional conductive copper bar is easy to vibrate in the punching process, so that the punching precision of the conductive copper bar is affected, and even the conductive copper bar is cracked or broken due to vibration; compared with the prior art, the invention can keep the stable state all the time when the conductive copper bar is punched, and further improves the punching yield of the conductive copper bar.

Description

Automatic punching equipment and method for high-precision conductive copper bars

Technical Field

The invention relates to the technical field of conductive copper bar punching, in particular to high-precision conductive copper bar automatic punching equipment and method.

Background

Copper bars are becoming increasingly favored in large power equipment due to their good electrical, thermal and environmental conductivity and their indispensable conductive materials. The conductive copper bar device is a high-current conductive device, is suitable for electrical engineering such as high-low voltage electrical appliances, switch contacts, power distribution equipment, bus ducts and the like, is also widely used for super-large-current electrowinning engineering such as power transmission and transformation, power control, power manufacturing, metal smelting, electrochemical plating, chemical caustic soda and the like, and is also a substitute product for power supply, distribution and cables of high-rise buildings. Copper bars are generally adopted in U, V, W-phase bus bars and PE bus bars in the power distribution cabinet; the copper bars are generally marked with a phase-colored letter mark or coated with phase-colored paint in use, the U-phase copper bars are coated with yellow, the V-phase copper bars are coated with green, the W-phase copper bars are coated with red, and the PE bus copper bars are coated with yellow-green alternate double colors.

The prior equipment utilizes the high-speed rotation of the drill rod to realize the punching of the conductive copper bar, however, when the bottom end of the drill rod is contacted with the conductive copper bar in the punching process of the drill rod, the high-speed rotation of the drill rod can cause the shaking of the conductive copper bar, thereby affecting the punching accuracy of the drill rod on the conductive copper bar and even causing the problems of deformation and even fracture of the conductive copper bar due to shaking,

in view of the above technical drawbacks, a solution is now proposed.

Disclosure of Invention

The invention aims to provide a high-precision automatic punching device and method for a conductive copper bar, which are used for solving the problems in the prior art

In order to achieve the above purpose, the present invention provides the following technical solutions:

the automatic punching equipment for the high-precision conductive copper bar comprises a workbench, wherein a first bearing plate and a second bearing plate are fixedly connected to the side face of the workbench, an organic housing is fixedly arranged at the top of the workbench, a first pneumatic push rod is fixedly arranged at the top of the first bearing plate, a second pneumatic push rod is fixedly arranged at the top of the second bearing plate, a baffle is fixedly connected to the top of the workbench, and a propping assembly is arranged at the top of the workbench;

the supporting component comprises a supporting plate and a first sliding rail, sliding grooves are symmetrically formed in the outer side of the baffle, clamping grooves matched with the sliding grooves are formed in the top of the supporting plate, an electric push rod I is symmetrically and fixedly arranged at the top of the workbench, the output end of the electric push rod I is fixedly connected with the bottom of the supporting plate, the first sliding rail is fixedly arranged at the top of the supporting plate, a first threaded rod is movably connected in the first sliding rail through a bearing, a sliding plate is connected to the outer side of the first threaded rod in a threaded mode, and one end of the sliding plate is slidably connected in the first sliding rail.

Further, a first motor for driving the first threaded rod to rotate is fixedly arranged at the top of the supporting plate, a limit groove is formed in the bottom of the sliding plate, a cross rod is fixedly connected in the limit groove, a rectangular sleeve is sleeved on the outer side of the cross rod in a sliding manner, and a first compression spring is fixedly connected between the two rectangular sleeves;

the bottom of rectangular sleeve rotates and is connected with the connecting rod, rectangular sleeve's below is provided with the clamp plate, the bottom and the clamp plate top of connecting rod rotate and are connected.

Further, the inside wall of housing is provided with calibration subassembly, the inside of housing is provided with the riser, calibration subassembly includes electric putter two and a spacing section of thick bamboo, electric putter two slope is fixed in the side of riser, a spacing section of thick bamboo passes through connecting block and riser fixed connection, sliding connection has the butt pole in a spacing section of thick bamboo, the one end and the two output fixed connection of electric putter of butt pole, the other end fixedly connected with L shape butt board of butt pole.

Further, the inner wall top of machine housing is fixed with the diaphragm through spot welding, the bottom fixedly connected with slide rail two of diaphragm, sliding connection has the slider one in the slide rail two, there is threaded rod two through bearing swing joint in the slide rail two, threaded rod two and slider one threaded connection, diaphragm bottom fixed mounting has the motor two that are used for driving threaded rod two pivoted.

Further, the bottom fixedly connected with electric putter III of slider I, electric putter's bottom fixedly connected with machine case, the bottom of machine case is provided with the drilling rod, machine case internally mounted has the motor III that is used for driving drilling rod pivoted.

Further, the output end of the first pneumatic push rod and the output end of the second pneumatic push rod are fixedly connected with push plates, guide grooves are symmetrically formed in the top of the workbench, the second slide block is connected in the guide grooves in a sliding mode, and the second slide block is fixedly connected with the push plates which are correspondingly arranged.

An operation method of high-precision conductive copper bar automatic punching equipment comprises the following steps:

step one: firstly, placing a conductive copper bar on the top of a workbench, then starting a first pneumatic push rod, driving the push plate to horizontally move by the first pneumatic push rod until the push plate pushes the conductive copper bar into a hood shell and contacts with the side surface of a baffle, then starting a second electric push rod, driving an L-shaped abutting plate to obliquely move downwards by the second electric push rod through an abutting rod, and performing position calibration on two ends of the conductive copper bar by the two L-shaped abutting plates which synchronously and obliquely move downwards;

the specific process of the position calibration is as follows: the lower surface of the L-shaped abutting plate is firstly contacted with the top of the conductive copper bar and slides on the top of the conductive copper bar until the side surface of the bottom end of the L-shaped abutting plate is contacted with the side surface of the end part of the conductive copper bar, and the L-shaped abutting plate is completely attached to the conductive copper bar at the moment, so that the two L-shaped abutting plates can calibrate and regulate the positions of the conductive copper bars and simultaneously can apply a downward oblique pressure to the conductive copper bars, and the stability of the conductive copper bars when punched is enhanced;

step two: according to the specific punching position, the sliding block I is driven to horizontally move along the sliding rail II through the matching of the motor II and the threaded rod II until the drill rod moves to the position right above the position to be punched of the conductive copper bar, the motor I is started again, and the sliding plate moves to two sides of the position to be punched of the conductive copper bar under the matching of the motor I and the threaded rod I;

starting the first electric push rod, driving the supporting plate to synchronously move downwards by the first electric push rod until the pressing plate presses the top of the conductive copper bar, driving the drill rod to synchronously move downwards by the third electric push rod, and drilling the top of the conductive copper bar under the action of the third motor by the drill rod;

step three: after punching is finished, the pushing plate and the pressing plate are released from abutting against the top and the side face of the conductive copper bar, and then the pneumatic push rod pushes the punched conductive copper bar out of one side of the housing through the pushing plate which is correspondingly connected, so that automatic discharging of the conductive copper bar is realized.

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

1. when the electric push rod is used, the second electric push rod drives the L-shaped abutting plate to synchronously move, the L-shaped abutting plate is contacted with the end part of the conductive copper bar and pushes the conductive copper bar to slide until the conductive copper bar moves to a designated position under the interaction of the two L-shaped abutting plates, at the moment, the lower surface and the side surface of the L-shaped abutting plate are both contacted with the conductive copper bar, and the second electric push rod is obliquely fixed on the inner side wall of the housing, so that the L-shaped abutting plate can calibrate and regulate the position of the conductive copper bar under the action of the second electric push rod and simultaneously give downward pressure to the conductive copper bar, and the conductive copper bar is in a more stable state when being processed and punched.

2. When the punching device is used, the first motor drives the first threaded rod to move, so that the two sliding plates and the pressing plates arranged below the sliding plates are always abutted against two sides of the position to be punched of the conductive copper bar, the conductive copper bar is always in a stable state when being punched, meanwhile, the problem that the machining precision is affected due to shaking of the conductive copper bar when the conductive copper bar is punched can be effectively avoided, and the punching precision of the drilling rod is further improved.

3. The electric push rod drives the supporting plate to move downwards until the pressing plate contacts with the top of the conductive copper bar, and then effective fixation is achieved on two sides of the position to be punched of the conductive copper bar, meanwhile, the pressing plate is connected with the rectangular sleeve through the connecting rod, the first compression spring is fixedly connected between the two rectangular sleeves, and then the pressing plate is effectively abutted against the conductive copper bars with different thicknesses under the cooperation of the connecting rod and the rectangular sleeve.

Drawings

For the convenience of those skilled in the art, the present invention will be further described with reference to the accompanying drawings;

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of a workbench according to the present invention;

FIG. 3 is an enlarged schematic view of the area A in FIG. 1;

FIG. 4 is a front view of the internal structure of the present invention;

FIG. 5 is a schematic view of the internal structure of the sliding plate according to the present invention;

fig. 6 is a left side view of the electric putter of the present invention.

Reference numerals: 1. a work table; 201. a first bearing plate; 202. a bearing plate II; 203. a first pneumatic push rod; 204. pneumatic push rod II; 3. a housing; 4. a baffle; 5. a tightening assembly; 501. a supporting plate; 502. a first slide rail; 503. an electric push rod I; 504. a first threaded rod; 505. a slip plate; 506. a first motor; 507. a limit groove; 508. a cross bar; 509. a rectangular sleeve; 510. a connecting rod; 511. a pressing plate; 6. a calibration assembly; 601. an electric push rod II; 602. a limiting cylinder; 603. a butt joint rod; 604. an L-shaped abutting plate; 7. a riser; 8. a cross plate; 9. a second slide rail; 10. a first sliding block; 11. a second threaded rod; 12. a second motor; 13. an electric push rod III; 14. a chassis; 15. a drill rod; 16. a push plate; 17. a guide groove; 18. and a sliding groove.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

As shown in fig. 1 and fig. 4, the high-precision conductive copper bar automatic punching equipment comprises a workbench 1, a first bearing plate 201 and a second bearing plate 202 are fixedly connected to the side surface of the workbench 1, an organic housing 3 is fixedly installed at the top of the workbench 1, a first pneumatic push rod 203 is fixedly installed at the top of the first bearing plate 201, a second pneumatic push rod 204 is fixedly installed at the top of the second bearing plate 202, a baffle 4 is fixedly connected to the top of the workbench 1, a tightening component 5 is arranged at the top of the workbench 1, push plates 16 are fixedly connected to the output ends of the first pneumatic push rod 203 and the second pneumatic push rod 204, guide grooves 17 are symmetrically formed in the top of the workbench 1, a second sliding connection sliding block is arranged in the guide grooves 17, the second sliding block is fixedly connected with the corresponding push plates 16, a calibration component 6 is arranged on the inner side wall of a housing 3, a vertical plate 7 is arranged in the housing 3, the calibration component 6 comprises a second electric push rod 601 and a limiting cylinder 602, and the second electric push rod 601 is obliquely fixed to the side surface of the vertical plate 7;

in the specific arrangement, a conductive copper bar is arranged at the top of a workbench 1, then a first pneumatic push rod 203 at the top of a first bearing plate 201 is started, the first pneumatic push rod 203 drives a push plate 16 to horizontally move at the top of the workbench 1, the conductive copper bar is pushed into a hood shell 3 under the action of the first pneumatic push rod 203 and the push plate 16 until one side of the conductive copper bar is contacted with the side surface of a baffle plate 4, at the moment, a second electric push rod 601 in the interior of a starter housing 3 is restarted, a limit cylinder 602 is fixedly connected with a vertical plate 7 through a connecting block, a push rod 603 is connected in a sliding manner in the limit cylinder 602, one end of the push rod 603 is fixedly connected with the output end of the second electric push rod 601, an L-shaped push rod 604 is fixedly connected with the other end of the push rod 601, the second electric push rod 601 drives the push rod 603 to slide in the limit cylinder 602 until the bottom end of the push rod 603 is fixedly connected with the conductive copper bar, namely the lower surface of the L-shaped push rod 604 is firstly contacted with the top of the conductive copper bar, then the L-shaped push rod 604 slides at the top of the conductive copper bar until the bottom end of the L-shaped push rod 604 is contacted with the end of the conductive copper bar, the end of the conductive copper bar is contacted with the conductive copper bar, the two copper bar 604 is symmetrically arranged inside the hood shell 3, the two copper bars are synchronously arranged at the same time, the two lower surfaces of the two copper rods are mutually opposite to be correspondingly arranged, the two conductive rods 601 are mutually inclined and move towards the lower surfaces of the conductive push rod 601 through the two conductive rods are mutually corresponding to the lower contact surfaces, and the L-shaped push rod 601, the L-shaped push rod 601 can move, and the L-shaped push rod 601 is synchronously move towards the lower contact plate is simultaneously arranged at the lower end, and the lower copper rod 601 is mutually opposite the lower contact plate, and the lower contact plate 601 and the lower contact plate is correspondingly opposite the L-shaped contact plate 601, the conductive copper bar is in a more stable state during processing and punching.

Example two

As shown in fig. 1-6, in the process of drilling the conductive copper bar, the portion of the conductive copper bar, which contacts with the drill rod 15, and the surrounding portion thereof are easy to shake, so as to affect the drilling accuracy of the drill rod 15 on the conductive copper bar, and even the conductive copper bar is deformed due to vibration, so that the specific improvement is as follows:

the propping assembly 5 comprises a supporting plate 501 and a first sliding rail 502, a sliding groove 18 is symmetrically formed in the outer side of the baffle 4, a clamping groove matched with the sliding groove 18 is formed in the top of the supporting plate 501, an electric push rod 503 is symmetrically and fixedly arranged at the top of the workbench 1, the output end of the electric push rod 503 is fixedly connected with the bottom of the supporting plate 501, the first sliding rail 502 is fixedly arranged at the top of the supporting plate 501, a first threaded rod 504 is movably connected in the first sliding rail 502 through a bearing, a sliding plate 505 is connected to the outer side of the first threaded rod 504 in a threaded manner, one end of the sliding plate 505 is slidably connected in the first sliding rail 502, and a first motor 506 for driving the first threaded rod 504 to rotate is fixedly arranged at the top of the supporting plate 501.

When the conductive copper bar is pressed by the pressing plate 511, the motor II 12 drives the threaded rod II 11 to slide in the sliding rail II 9, the sliding block I10 horizontally moves along the sliding rail II 9 under the action of the threaded rod II 11 until the drill rod 15 moves to the position right above the designated position to be punched of the conductive copper bar, then the motor I506 is started, the motor I506 drives the threaded rod I504 to rotate, the sliding plate 505 horizontally slides along the sliding rail I502 under the action of the threaded rod I504 until the two sliding plates 505 move to the position right above the position to be punched of the conductive copper bar, then the electric push rod I503 is started again, the electric push rod I503 drives the supporting plate 501 to move downwards until the pressing plate 511 contacts with the top of the conductive copper bar, further effective fixation of two sides of the position to be punched of the conductive copper bar is realized, a limit groove 507 is formed in the bottom of the sliding plate 505, a rectangular sleeve 509 is fixedly connected in the limit groove 507, a compression spring I is fixedly connected to the outer side of the cross rod 508, a connecting rod 510 is rotationally connected to the bottom of the rectangular sleeve 509, a connecting rod 510 is arranged below the rectangular pressing plate 509, the rectangular pressing plate 510 is tightly matched with the bottom of the rectangular pressing plate 511, and the bottom of the connecting rod 511 is in a tight fit with the bottom of the rectangular copper bar 511;

the top of the inner wall of the machine housing 3 is fixedly provided with a transverse plate 8 through spot welding, the bottom of the transverse plate 8 is fixedly connected with a second slide rail 9, a first slide block 10 is slidably connected in the second slide rail 9, a second threaded rod 11 is movably connected in the second slide rail 9 through a bearing, the second threaded rod 11 is in threaded connection with the first slide block 10, the bottom end of the transverse plate 8 is fixedly provided with a second motor 12 for driving the second threaded rod 11 to rotate, the bottom of the first slide block 10 is fixedly connected with a third electric push rod 13, the bottom end of the third electric push rod 13 is fixedly connected with a machine case 14, the bottom of the machine case 14 is provided with a drill rod 15, and the interior of the machine case 14 is provided with a third motor for driving the drill rod 15 to rotate;

after the two sides of the position of the conductive copper bar to be punched are effectively abutted against by the corresponding pressing plates 511, the electric push rod III 13 is started, the electric push rod III 13 drives the chassis 14 at the bottom of the electric push rod III to synchronously move downwards, meanwhile, the motor III in the chassis 14 is started, the motor III drives the drill rod 15 to rotate at a high speed until the drill rod 15 drills the upper surface of the conductive copper bar under the action of the electric push rod III 13, and after the drilling is finished, the position of the pressing plates 511 is adjusted to enable the drill rod to be matched with the drill rod 15 to punch other positions of the conductive copper bar;

after the punching of the conductive copper bar is finished, the pressing plate 511 moves out of the conductive copper bar, the pushing plate 16 connected with the pneumatic pushing rod I203 moves out of the side face of the conductive copper bar, then the pneumatic pushing rod II 204 is started, and the pneumatic pushing rod II 204 pushes the punched conductive copper bar out of the hood shell 3 through the pushing plate 16, so that automatic blanking of the conductive copper bar is realized.

The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a high-precision automatic punching equipment for conductive copper bars, includes workstation (1), its characterized in that, the side fixedly connected with loading board one (201) and loading board two (202) of workstation (1), the top fixed mounting organic housing (3) of workstation (1), the top fixed mounting of loading board one (201) has pneumatic push rod one (203), the top fixed mounting of loading board two (202) has pneumatic push rod two (204), the top fixedly connected with baffle (4) of workstation (1), the top of workstation (1) is provided with and supports tight subassembly (5);

the supporting and tightening assembly (5) comprises a supporting plate (501) and a first sliding rail (502), sliding grooves (18) are symmetrically formed in the outer side of the baffle (4), clamping grooves matched with the sliding grooves (18) are formed in the top of the supporting plate (501), an electric push rod (503) is symmetrically and fixedly arranged at the top of the workbench (1), the output end of the electric push rod (503) is fixedly connected with the bottom of the supporting plate (501), the first sliding rail (502) is fixedly arranged at the top of the supporting plate (501), a threaded rod (504) is movably connected in the first sliding rail (502) through a bearing, a sliding plate (505) is connected with the outer side of the threaded rod (504) in a threaded mode, and one end of the sliding plate (505) is slidably connected in the first sliding rail (502).

2. The automatic punching equipment for the high-precision conductive copper bars is characterized in that a first motor (506) for driving a first threaded rod (504) to rotate is fixedly arranged at the top of the supporting plate (501), a limit groove (507) is formed in the bottom of the sliding plate (505), a cross rod (508) is fixedly connected in the limit groove (507), a rectangular sleeve (509) is sleeved on the outer side of the cross rod (508) in a sliding manner, and a first compression spring is fixedly connected between the two rectangular sleeves (509);

the bottom of rectangular sleeve (509) rotates and is connected with connecting rod (510), the below of rectangular sleeve (509) is provided with clamp plate (511), the bottom of connecting rod (510) rotates with clamp plate (511) top and is connected.

3. The high-precision conductive copper bar automatic punching equipment according to claim 1, wherein a calibration component (6) is arranged on the inner side wall of the hood shell (3), a vertical plate (7) is arranged in the hood shell (3), the calibration component (6) comprises a second electric push rod (601) and a limiting cylinder (602), the second electric push rod (601) is obliquely fixed on the side face of the vertical plate (7), the limiting cylinder (602) is fixedly connected with the vertical plate (7) through a connecting block, a supporting rod (603) is connected in the limiting cylinder (602) in a sliding mode, one end of the supporting rod (603) is fixedly connected with the output end of the second electric push rod (601), and the other end of the supporting rod (603) is fixedly connected with an L-shaped supporting plate (604).

4. The automatic punching equipment for the high-precision conductive copper bar according to claim 3 is characterized in that a transverse plate (8) is fixed on the top of the inner wall of the hood shell (3) through spot welding, a sliding rail II (9) is fixedly connected to the bottom of the transverse plate (8), a sliding block I (10) is connected in the sliding rail II (9) in a sliding manner, a threaded rod II (11) is movably connected in the sliding rail II (9) through a bearing, the threaded rod II (11) is in threaded connection with the sliding block I (10), and a motor II (12) for driving the threaded rod II (11) to rotate is fixedly arranged at the bottom end of the transverse plate (8).

5. The automatic punching equipment for the high-precision conductive copper bars according to claim 4, wherein an electric push rod III (13) is fixedly connected to the bottom of the first sliding block (10), a case (14) is fixedly connected to the bottom end of the electric push rod III (13), a drill rod (15) is arranged at the bottom of the case (14), and a motor III for driving the drill rod (15) to rotate is arranged inside the case (14).

6. The automatic punching equipment for the high-precision conductive copper bar according to claim 1, wherein the output ends of the first pneumatic push rod (203) and the second pneumatic push rod (204) are fixedly connected with push plates (16), guide grooves (17) are symmetrically formed in the top of the workbench (1), the second guide grooves (17) are slidably connected with the second slide blocks, and the second slide blocks are fixedly connected with the push plates (16) which are correspondingly arranged.

7. The operation method of the high-precision conductive copper bar automatic punching equipment is characterized by comprising the following steps of:

step one: firstly, placing a conductive copper bar on the top of a workbench (1), then starting a first pneumatic push rod (203), driving a push plate (16) to horizontally move by the first pneumatic push rod (203) until the push plate (16) pushes the conductive copper bar into a hood shell (3) and contacts with the side surface of a baffle plate (4), then starting a second electric push rod (601), driving an L-shaped abutting plate (604) to obliquely move downwards by the second electric push rod (601) through an abutting rod (603), and carrying out position calibration on two ends of the conductive copper bar by the two L-shaped abutting plates (604) which synchronously and obliquely move downwards;

the specific process of the position calibration is as follows: the lower surface of the L-shaped abutting plate (604) is firstly contacted with the top of the conductive copper bar and slides on the top of the conductive copper bar until the side surface of the bottom end of the L-shaped abutting plate (604) is contacted with the side surface of the end part of the conductive copper bar, and the L-shaped abutting plate (604) is completely attached to the conductive copper bar, so that the two L-shaped abutting plates (604) can calibrate and regulate the positions of the conductive copper bars and simultaneously can apply an oblique downward pressure to the conductive copper bar, and the stability of the conductive copper bar when being punched is enhanced;

step two: according to the specific punching position, the first sliding block (10) is driven to horizontally move along the second sliding rail (9) through the matching of the second motor (12) and the second threaded rod (11) until the drill rod (15) moves to the position right above the position to be punched of the conductive copper bar, the first motor (506) is started, and the sliding plate (505) moves to two sides of the position to be punched of the conductive copper bar under the matching of the first motor (506) and the first threaded rod (504);

then the first electric push rod (503) is started, the first electric push rod (503) drives the supporting plate (501) to synchronously move downwards until the pressing plate (511) presses the top of the conductive copper bar, at the moment, the third electric push rod (13) drives the drill rod (15) to synchronously move downwards, and the drill rod (15) drills the top of the conductive copper bar under the action of the third motor;

step three: after punching is finished, the pushing plate (16) and the pressing plate (511) are both released from abutting the top and the side face of the conductive copper bar, and then the pneumatic pushing rod II (204) pushes the punched conductive copper bar out of one side of the hood shell (3) through the correspondingly connected pushing plate (16), so that automatic discharging of the conductive copper bar is realized.