CN109926838B

CN109926838B - Intelligent punching device

Info

Publication number: CN109926838B
Application number: CN201910138174.7A
Authority: CN
Inventors: 葛桂芳
Original assignee: Jiangxi Qiansheng Construction Co Ltd
Current assignee: Jiangxi Qiansheng Construction Co., Ltd
Priority date: 2017-11-09
Filing date: 2017-11-09
Publication date: 2020-10-09
Anticipated expiration: 2037-11-09
Also published as: CN107855555B; CN109926838A; CN107855555A

Abstract

The invention discloses an intelligent punching device which comprises a base (7), wherein a sliding table (1) used for clamping a workpiece (2) is connected onto the base (7) in a sliding manner, a first gear (8) is connected onto the base (7) in a rotating manner, and a first linear rack meshed with the first gear (8) is arranged on the sliding table (1); be equipped with ratchet (9) on first gear (8) terminal surface, rotate on base (7) and be connected with even board (10), even board (10) lower extreme rotates and is connected with driving lever (11), and driving lever (11) free end is equipped with and is used for stirring ratchet (9) and first gear (8) synchronous rotating's pawl (12) with ratchet (9) joint, is equipped with on base (7) to be used for driving even board (10) periodic positive and negative power device. Through the drive of power device, even the transmission of board, transfer line, ejector pad for the automation level of whole device obtains improving, and work efficiency has also obtained showing and has improved, provides an intelligent perforating device that machining precision is higher, processing is reliable and stable more and the batchization processing production efficiency is higher.

Description

Intelligent punching device

The application is divisional application with application number 2017111007120, application date 2017, 11 month 09 and invention name "intelligent punching device".

Technical Field

The invention relates to an intelligent punching device.

Background

In the machining process, a plurality of through holes are often machined continuously on a workpiece, the through holes are linearly arranged on the surface of the workpiece, and the distance between the through holes is constant, namely the through holes are arranged at equal intervals. The common method in the prior art is to measure the positions to be drilled on the surface of a workpiece through a ruler, mark the positions, and place a drilling machine at the marked positions for drilling. The through holes obtained by the method are low in arrangement precision, high in manual operation error rate and low in batch processing production efficiency.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects of the prior art and provides an intelligent punching device which is higher in machining precision, more stable and reliable in machining and higher in batch machining production efficiency.

The technical scheme of the invention is to provide an intelligent punching device with the following structure: the workpiece clamping device comprises a base, wherein a sliding table for clamping a workpiece is connected to the base in a sliding manner, a first gear is rotatably connected to the base, and a first linear rack which is meshed with the first gear is arranged on the sliding table; the end face of the first gear is provided with a ratchet wheel, the base is rotatably connected with a connecting plate, the lower end of the connecting plate is rotatably connected with a deflector rod, the free end of the deflector rod is provided with a pawl which is clamped with the ratchet wheel to deflect the ratchet wheel and the first gear to synchronously rotate, and the base is provided with a power device for driving the connecting plate to periodically rotate forwards and backwards; the base is rotatably connected with a swing plate through a first hinge point, a push rod used for being connected with or separated from a first gear in a clamping mode is arranged at the lower end of the swing plate, a first arc-shaped rack taking the first hinge point as a circle center is arranged at the lower end of the swing plate, a second gear used for being meshed with the first arc-shaped rack is rotatably connected to the base, a third gear used for being meshed with the second gear is arranged on the base, a push block is slidably connected to the base, and a second linear rack used for being meshed with the third gear is arranged on the push block; a drilling machine for drilling a workpiece is connected to the base in a sliding mode below the sliding table, a guide tensioning device is arranged between the drilling machine and the base, an inclined plate for pushing the drilling machine to slide in the vertical direction is rotatably connected to the end portion of the push block, and a cylinder is arranged between the inclined plate and the push block; a locking device is arranged between the swing plate and the base, a spring is rotatably connected to the base, a contact switch used for being abutted against or separated from the upper end of the swing plate is arranged on the spring, the contact switch is arranged on one side, away from the connecting plate, of the spring, the cylinder is in signal connection with the contact switch, and the spring is connected with the base through a balancing device; the base is connected with a transmission rod in a sliding mode, one end of the transmission rod is tightly abutted to the connecting plate, and the other end of the transmission rod is tightly abutted to the swinging plate.

Preferably, one end of the air cylinder is rotatably connected with the middle part of the inclined plate, the other end of the air cylinder is rotatably connected with the push block, and the drilling machine is arranged along the diameter direction of the first gear.

Preferably, the locking device is arranged between the swing plate and the base, namely, a locking block which is used for abutting against or separating from the swing plate is arranged on the base, the locking block is positioned on one side, away from the first gear, of the swing plate, a locking tension spring which is used for pulling the swing plate to abut against the locking block is arranged between the swing plate and the base, one end of the locking tension spring is rotatably connected with the swing plate, and the other end of the locking tension spring is rotatably connected with the base; the locking extension spring and the locking block are positioned on the same side of the swing plate.

As an improvement of the invention, the base is provided with a guide rod, and the sliding table is provided with a guide hole for the guide rod to pass through; the base is provided with a guide block, and the push block is connected to the guide block through a dovetail groove in a sliding mode.

As an improvement of the invention, the base is provided with a power device for driving the connecting plate to periodically rotate forwards and backwards, that is, the connecting plate is rotatably connected to the base through a second hinge point, the upper end of the connecting plate is provided with a second arc-shaped rack which takes the second hinge point as a circle center, the base is rotatably connected with a fourth gear which is used for being meshed with or separated from the second arc-shaped rack, the base is provided with a motor for driving the fourth gear to rotate, the fourth gear comprises a toothed area which is used for being meshed with the second arc-shaped rack and a non-toothed area which is used for being separated from the second arc-shaped rack, and the toothed area and the non-toothed area are distributed at intervals around the circumferential direction of the fourth; the base is provided with a first clamping pin and a second clamping pin which are used for abutting against or separating from the connecting plate, the first clamping pin and the second clamping pin are respectively positioned at two sides of the connecting plate, the first clamping pin and the second clamping pin are both positioned above a second hinge point, a reset tension spring is arranged between the connecting plate and the base, one end of the reset tension spring is rotationally connected with the connecting plate, and the other end of the reset tension spring is rotationally connected with the base; the second bayonet lock is located the clearance between even board and the pendulum board, and second bayonet lock and extension spring that resets are located the homonymy of even board.

As an improvement of the invention, the connection of the spring and the base through the balancing device means that the spring is rotationally connected to the base through a third hinge point, a balancing tension spring is arranged between the spring and the base, one end of the balancing tension spring is rotationally connected with the upper end of the spring, and the other end of the balancing tension spring is rotationally connected with the base; the balance tension springs are two in number and are symmetrically distributed on two sides of the clockwork spring.

As an improvement of the invention, a guide sleeve is arranged on the base, and the transmission rod is connected in the guide sleeve in a sliding manner; one end of the transmission rod is tightly propped against one end, close to the second arc-shaped rack, of the connecting plate, and the other end of the transmission rod is tightly propped against one end, close to the clockwork spring, of the upper end part of the swing plate; one end of the transmission rod, which is tightly abutted against the connecting plate, is rotatably connected with a first roller wheel, and the first roller wheel is in rolling connection with the connecting plate; one end of the transmission rod, which is tightly abutted against the swing plate, is rotatably connected with a second roller wheel, and the second roller wheel is in rolling connection with the swing plate.

As an improvement of the invention, the guiding and tensioning device arranged between the drilling machine and the base is that a guide rail for the drilling machine to slide is arranged on the base, a driving tension spring is arranged between the drilling machine and the base, one end of the driving tension spring is rotatably connected with the middle part of the drilling machine, the other end of the driving tension spring is rotatably connected with the base, the lower end of the drilling machine is rotatably connected with a third roller, the third roller is in rolling connection with the inclined plate, and the driving tension spring pulls the third roller at the lower end of the drilling machine.

As an improvement of the invention, the ejector rod is rotationally connected to one side, facing the first gear, of the swing plate, the limit rod used for being abutted against the ejector rod is arranged on the swing plate, a limit tension spring used for pulling the ejector rod to abut against the limit rod is arranged between the swing plate and the ejector rod, one end of the limit tension spring is rotationally connected with the ejector rod, the other end of the limit tension spring is rotationally connected with the swing plate, and the ejector rod and the swing plate are obliquely arranged.

After the structure is adopted, compared with the prior art, the intelligent punching device has the advantages that the workpiece is clamped on the sliding table, when the power device drives the connecting plate to rotate reversely, the poking rod at the lower end of the connecting plate drives the ratchet wheel to rotate through the pawl, namely the first gear rotates along with the ratchet wheel synchronously, and the first gear drives the sliding table and the workpiece to move a station through meshing with the first linear rack on the sliding table; then, when the power device drives the connecting plate to rotate forwards, the connecting plate can push the swinging plate to rotate around the first hinge point through the transmission rod, the first arc-shaped rack at the lower end of the swinging plate is meshed with the second gear to drive the third gear to rotate, and the third gear is meshed with the second linear rack on the pushing block to drive the pushing block to slide towards the direction of the drilling machine; the inclined plate at the end part of the push block pushes the drilling machine to approach towards the direction of the workpiece, and the drilling machine is used for drilling the workpiece; that is, the workpiece can be pushed to advance for one work when the connecting plate rotates reversely, the push block can push the drilling machine to ascend to punch the workpiece once when the connecting plate rotates forwardly, the connecting plate is continuously switched between the forward rotation and the reverse rotation under the driving of the power device, the workpiece is continuously fed, the drilling machine can also continuously punch the workpieces at different stations, and the distance between the holes is constant, so that the machining precision is higher, and the drilling machine is also suitable for batch machining production; in addition, after the drilling machine finishes drilling once, when the connecting plate needs to be rotated reversely to drive the workpiece to follow the sliding table to feed, once the connecting plate is separated from the second clamping pin, the upper end of the swinging plate can be abutted against a contact switch on the spring, the cylinder can contract after receiving a signal of the contact switch, and then the inclined plate can rotate along with the contraction of the cylinder, the drilling machine rapidly withdraws from a machined hole under the action of a driving tension spring, so that the drilling machine is prevented from interfering with the feeding of the workpiece, and the transmission between parts is more stable; in addition, when the drilling machine punches the workpiece, the ejector rod can be clamped on the first gear to prevent the first gear and the ratchet wheel from deflecting due to the impact of the drilling machine, so that the workpiece on the sliding table is ensured to be stable in the punching process, and the working stability of the whole device is improved. In conclusion, the invention provides the intelligent punching device which is higher in machining precision, more stable and reliable in machining and higher in batch machining production efficiency.

Drawings

FIG. 1 is a schematic view of an intelligent punching apparatus according to the present invention.

FIG. 2 is a diagram illustrating a state where the connecting plate abuts against the second locking pin.

Shown in the figure: 1. a sliding table, 2, a workpiece, 3, a guide rod, 4, a guide hole, 5, a guide block, 6, a pushing block, 7, a base, 8, a first gear, 9, a ratchet wheel, 10, a connecting plate, 11, a deflector rod, 12, a pawl, 13, a first hinge point, 14, a swinging plate, 15, a push rod, 16, a first arc-shaped rack, 17, a second gear, 18, a third gear, 19, a drilling machine, 20, an inclined plate and 21, the device comprises an air cylinder, 22, a clockwork spring, 23, a transmission rod, 24, a locking block, 25, a locking tension spring, 26, a second hinge point, 27, a second arc-shaped rack, 28, a fourth gear, 29, a first clamping pin, 30, a second clamping pin, 31, a reset tension spring, 32, a third hinge point, 33, a balance tension spring, 34, a guide sleeve, 35, a first roller, 36, a second roller, 37, a guide rail, 38, a driving tension spring, 39, a third roller, 40, a limiting rod, 41 and a limiting tension spring.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

As shown in the figure, the intelligent punching device comprises a base 7, wherein a sliding table 1 for clamping a workpiece 2 is connected onto the base 7 in a sliding manner, a first gear 8 is connected onto the base 7 in a rotating manner, and a first linear rack meshed with the first gear 8 is arranged on the sliding table 1; a ratchet wheel 9 is arranged on the end face of the first gear 8, a connecting plate 10 is rotatably connected to the base 7, a shifting lever 11 is rotatably connected to the lower end of the connecting plate 10, a pawl 12 which is used for being clamped with the ratchet wheel 9 to shift the ratchet wheel 9 and the first gear 8 to rotate synchronously is arranged at the free end of the shifting lever 11, and a power device used for driving the connecting plate 10 to rotate periodically and reversely is arranged on the base 7; the base 7 is rotatably connected with a swing plate 14 through a first hinge point 13, the lower end of the swing plate 14 is provided with a mandril 15 which is used for being connected with or separated from the first gear 8 in a clamping manner, the lower end of the swing plate 14 is provided with a first arc-shaped rack 16 which takes the first hinge point 13 as a circle center, the base 7 is rotatably connected with a second gear 17 which is used for being meshed with the first arc-shaped rack 16, the base 7 is provided with a third gear 18 which is used for being meshed with the second gear 17, the base 7 is slidably connected with a push block 6, and the push block 6 is provided with a second linear rack which is used for being meshed with the; a drilling machine 19 for drilling the workpiece 2 is connected to the base 7 below the sliding table 1 in a sliding manner, a guiding and tensioning device is arranged between the drilling machine 19 and the base 7, an inclined plate 20 for pushing the drilling machine 19 to slide in the vertical direction is rotatably connected to the end part of the push block 6, and a cylinder 21 is arranged between the inclined plate 20 and the push block 6; a locking device is arranged between the swing plate 14 and the base 7, a spring 22 is connected to the base 7 in a rotating mode, a contact switch used for being abutted against or separated from the upper end portion of the swing plate 14 is arranged on the spring 22, the contact switch is arranged on one side, away from the connecting plate 10, of the spring 22, the air cylinder 21 is in signal connection with the contact switch, and the spring 22 is connected with the base 7 through a balancing device; that is, the contact switch is arranged on the right side wall of the spring 22, when the swing plate 14 rotates counterclockwise around the first hinge point 13, the upper end of the swing plate 14 will contact with the contact switch on the right side wall of the spring 22, and the cylinder 21 is triggered to contract; however, when the swing plate 14 rotates clockwise around the first hinge point 13, the swing plate 14 only contacts with the left side wall of the spring 22, and the contact switch of the right side wall of the spring 22 is not pressed by the swing plate 14, that is, the swing plate 14 can trigger the cylinder 21 to contract only when rotating counterclockwise; the base 7 is slidably connected with a transmission rod 23, one end of the transmission rod 23 is tightly abutted with the connecting plate 10, and the other end of the transmission rod 23 is tightly abutted with the swinging plate 14.

One end of the cylinder 21 is rotatably connected with the middle part of the inclined plate 20, the other end of the cylinder is rotatably connected with the push block 6, and the drilling machine 19 is arranged along the diameter direction of the first gear 8.

The locking device is arranged between the swing plate 14 and the base 7, namely, a locking block 24 used for being abutted against or separated from the swing plate 14 is arranged on the base 7, the locking block 24 is positioned on one side, away from the first gear 8, of the swing plate 14, a locking tension spring 25 used for pulling the swing plate 14 to abut against the locking block 24 is arranged between the swing plate 14 and the base 7, one end of the locking tension spring 25 is rotatably connected with the swing plate 14, and the other end of the locking tension spring is rotatably connected with the base 7; the locking tension spring 25 and the locking block 24 are positioned on the same side of the swing plate 14.

The base 7 is provided with a guide rod 3, and the sliding table 1 is provided with a guide hole 4 for the guide rod 3 to pass through; the base 7 is provided with a guide block 5, and the push block 6 is connected to the guide block 5 in a sliding mode through a dovetail groove.

The base 7 is provided with a power device for driving the connecting plate 10 to periodically rotate forwards and backwards, namely, the connecting plate 10 is rotatably connected to the base 7 through a second hinge point 26, the upper end of the connecting plate 10 is provided with a second arc-shaped rack 27 taking the second hinge point 26 as a circle center, the base 7 is rotatably connected with a fourth gear 28 meshed with or separated from the second arc-shaped rack 27, the base 7 is provided with a motor for driving the fourth gear 28 to rotate, the fourth gear 28 comprises a toothed area meshed with the second arc-shaped rack 27 and a non-toothed area separated from the second arc-shaped rack 27, and the toothed area and the non-toothed area are distributed at intervals in the circumferential direction around the fourth gear 28; a first clamping pin 29 and a second clamping pin 30 which are used for abutting against or separating from the connecting plate 10 are arranged on the base 7, the first clamping pin 29 and the second clamping pin 30 are respectively positioned at two sides of the connecting plate 10, the first clamping pin 29 and the second clamping pin 30 are both positioned above the second hinge point 26, a reset tension spring 31 is arranged between the connecting plate 10 and the base 7, one end of the reset tension spring 31 is rotationally connected with the connecting plate 10, and the other end of the reset tension spring 31 is rotationally connected with the base 7; the second bayonet pin 30 is positioned in a gap between the connecting plate 10 and the swinging plate 14, and the second bayonet pin 30 and the return tension spring 31 are positioned on the same side of the connecting plate 10.

The spring 22 is connected with the base 7 through the balancing device, that is, the spring 22 is rotatably connected with the base 7 through a third hinge point 32, a balance tension spring 33 is arranged between the spring 22 and the base 7, one end of the balance tension spring 33 is rotatably connected with the upper end part of the spring 22, and the other end of the balance tension spring 33 is rotatably connected with the base 7; two balance tension springs 33 are provided, and the two balance tension springs 33 are symmetrically distributed on two sides of the clockwork spring 22. Here, the balance device can keep the spring 22 in a vertical state without being affected by external force, and the spring 22 is rapidly restored to the vertical state by the balance tension springs 33 on both sides after being affected by the fluctuation of the wobble plate 14.

The base 7 is provided with a guide sleeve 34, and the transmission rod 23 is connected in the guide sleeve 34 in a sliding manner; one end of the transmission rod 23 is tightly propped against one end, close to the second arc-shaped rack 27, of the connecting plate 10, and the other end of the transmission rod is tightly propped against one end, close to the clockwork spring 22, of the upper end part of the swing plate 14; a first roller 35 is rotatably connected to one end of the transmission rod 23, which is tightly abutted against the connecting plate 10, and the first roller 35 is in rolling connection with the connecting plate 10; one end of the transmission rod 23, which is tightly abutted against the swing plate 14, is rotatably connected with a second roller 36, and the second roller 36 is in rolling connection with the swing plate 14.

The guide tensioning device is arranged between the drilling machine 19 and the base 7, namely, a guide rail 37 for the drilling machine 19 to slide is arranged on the base 7, a drive tension spring 38 is arranged between the drilling machine 19 and the base 7, one end of the drive tension spring 38 is rotatably connected with the middle of the drilling machine 19, the other end of the drive tension spring is rotatably connected with the base 7, the lower end of the drilling machine 19 is rotatably connected with a third roller 39, the third roller 39 is in rolling connection with the inclined plate 20, and the drive tension spring 38 pulls the third roller 39 at the lower end of the drilling machine 19.

The ejector rod 15 is rotatably connected to one side, facing the first gear 8, of the swing plate 14, the limiting rod 40 used for being abutted against the ejector rod 15 is arranged on the swing plate 14, a limiting tension spring 41 used for pulling the ejector rod 15 to abut against the limiting rod 40 is arranged between the swing plate 14 and the ejector rod 15, one end of the limiting tension spring 41 is rotatably connected with the ejector rod 15, the other end of the limiting tension spring is rotatably connected with the swing plate 14, and the ejector rod 15 and the swing plate 14 are obliquely arranged.

The working principle is as follows: as shown in the figure, firstly, the workpiece 2 is clamped on the sliding table 1, as shown in fig. 1, then the motor drives the fourth gear 28 to rotate, when the toothless area on the fourth gear 28 is matched with the second arc-shaped rack 27 at the upper end of the connecting plate, the fourth gear 28 cannot drive the second arc-shaped rack 27 to rotate, then the upper end of the connecting plate 10 is pulled by the reset tension spring 31 to rotate clockwise around the second hinge point 26, that is, the connecting plate 10 rotates clockwise, the shift lever 11 at the lower end of the connecting plate 10 swings, the clamping between the pawl 12 and the ratchet 9 becomes loose, and the pawl 12 on the shift lever 11 is clamped on the subsequent convex tooth on the ratchet 9, and the ratchet 9 is pushed to rotate when the connecting plate 10 rotates counterclockwise next time; meanwhile, the upper end part of the connecting plate 10 pushes the transmission rod 23 to move rightwards, the swing plate 14 is subjected to the thrust action of the transmission rod 23 and rotates clockwise around the first hinge point, the ejector rod 15 in the middle of the swing plate 14 is close to the first gear 8 until the ejector rod 15 is clamped on the first gear 8, so that the ejector rod 15 can limit the rotation of the first gear 8, the sliding table 1 and the workpiece 2 are prevented from shaking when the drilling machine 19 punches a hole in the workpiece 2, and the first gear 8 matched with the sliding table 1 is limited by the ejector rod 15; the first arc-shaped rack 16 at the lower end of the swing plate 14 is meshed with the second gear 17 for transmission so as to drive the second gear 17 to rotate, the second gear 17 is meshed with the third gear 18 so as to drive the third gear 18 to rotate, the third gear 18 is meshed with the second linear rack so as to drive the push block 6 to slide leftwards along the length direction of the guide block 5, the inclined plate 20 at the left end of the push block 6 pushes the drilling machine 19 to move upwards along the direction of the guide rail 37 so as to be close to the workpiece 2, and the inclined plate is contacted with the workpiece 2 and punches the workpiece 2 in the sliding process of the drilling machine 19, as shown in fig. 2;

after a hole is machined in the workpiece 2, the toothed area on the fourth gear 28 is meshed with the second arc-shaped rack 27 to drive the connecting plate 10 to rotate anticlockwise around the second hinge point 26, namely the connecting plate 10 rotates reversely, and the connecting plate 10 overcomes the action of the reset tension spring 31 to be separated from the second clamping pin 30; the transmission rod 23 and the swing plate 14 are linked with the connecting plate 10 under the action of the tension of the locking tension spring 25, once the transmission rod 23 moves leftwards, the swing plate 14 also rotates anticlockwise around the first hinge point 13, the upper end of the swing plate 14 is abutted against a contact switch on the right side wall of the spring 22, and after the contact switch is abutted against, a signal is sent to the air cylinder 21 to trigger the air cylinder 21 to perform retraction; the cylinder 21 retracts to pull the inclined plate 20 to retract, and the drilling machine 19 is supported against the inclined plate 20 under the tension of the driving tension spring 38, namely the drilling machine 19 also descends along with the retraction of the inclined plate 20, so that the drilling machine 19 can be rapidly withdrawn from a machined hole, and the drilling machine 19 is prevented from influencing the left feeding work of the subsequent sliding table 1 and the workpiece 2; when the push block 6 is reset to the right to the initial position shown in FIG. 1, the air cylinder 21 is extended again to push the drilling machine 19 to return to the initial position; the lower end of the connecting plate 10 pushes the shifting lever 11 to approach towards the direction of the ratchet wheel 9, the pawl 12 on the shifting lever 11 pushes the ratchet wheel 9 to rotate clockwise, the ratchet wheel 9 and the first gear 8 synchronously rotate clockwise, and the first gear 8 is meshed with the first linear rack to drive the sliding table 1 and the workpiece 2 to feed one station leftwards for next punching of the drilling machine 19.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the scope of the claims of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an intelligence perforating device, it includes base (7), its characterized in that: the base (7) is connected with a sliding table (1) used for clamping a workpiece (2) in a sliding manner, the base (7) is connected with a first gear (8) in a rotating manner, and a first linear rack is arranged on the sliding table (1); a ratchet wheel (9) is arranged on the end face of the first gear (8), a connecting plate (10) is rotatably connected to the base (7), a shifting lever (11) is rotatably connected to the lower end of the connecting plate (10), a pawl (12) which is used for being clamped with the ratchet wheel (9) is arranged at the free end of the shifting lever (11), and a power device is arranged on the base (7); the base (7) is rotatably connected with a swing plate (14) through a first hinge point (13), the lower end of the swing plate (14) is provided with a push rod (15) which is used for being connected with or separated from a first gear (8) in a clamping mode, the lower end of the swing plate (14) is provided with a first arc-shaped rack (16) which takes the first hinge point (13) as a circle center, the base (7) is rotatably connected with a second gear (17) which is used for being meshed with the first arc-shaped rack (16), the base (7) is provided with a third gear (18) which is used for being meshed with the second gear (17), the base (7) is slidably connected with a push block (6), and the push block (6) is provided with a second linear rack which is used for being meshed with the; a drilling machine (19) is connected to the base (7) below the sliding table (1) in a sliding mode, a guide tensioning device is arranged between the drilling machine (19) and the base (7), an inclined plate (20) is connected to the end portion of the push block (6) in a rotating mode, and an air cylinder (21) is arranged between the inclined plate (20) and the push block (6); a locking device is arranged between the swing plate (14) and the base (7), a clockwork spring (22) is rotatably connected to the base (7), a contact switch used for being abutted against or separated from the upper end of the swing plate (14) is arranged on the clockwork spring (22), the contact switch is arranged on one side, away from the connecting plate (10), of the clockwork spring (22), the air cylinder (21) is in signal connection with the contact switch, and the clockwork spring (22) is connected with the base (7) through a balancing device; a transmission rod (23) is connected on the base (7) in a sliding way, one end of the transmission rod (23) is tightly propped against the connecting plate (10), and the other end of the transmission rod (23) is tightly propped against the swinging plate (14);

one end of the air cylinder (21) is rotatably connected with the middle part of the inclined plate (20), the other end of the air cylinder is rotatably connected with the push block (6), and the drilling machine (19) is arranged along the diameter direction of the first gear (8);

the locking device is arranged between the swing plate (14) and the base (7), namely, a locking block (24) which is used for being abutted against or separated from the swing plate (14) is arranged on the base (7), the locking block (24) is positioned on one side, away from the first gear (8), of the swing plate (14), a locking tension spring (25) which is used for pulling the swing plate (14) to abut against the locking block (24) is arranged between the swing plate (14) and the base (7), one end of the locking tension spring (25) is rotatably connected with the swing plate (14), and the other end of the locking tension spring is rotatably connected with the base (7); the locking tension spring (25) and the locking block (24) are positioned on the same side of the swing plate (14);

the base (7) is provided with a power device for driving the connecting plate (10) to periodically rotate forwards and backwards, namely, the connecting plate (10) is rotatably connected to the base (7) through a second hinge point (26), the upper end of the connecting plate (10) is provided with a second arc-shaped rack (27) taking the second hinge point (26) as a circle center, the base (7) is rotatably connected with a fourth gear (28) meshed with or separated from the second arc-shaped rack (27), the base (7) is provided with a motor for driving the fourth gear (28) to rotate, the fourth gear (28) comprises a toothed area meshed with the second arc-shaped rack (27) and a non-toothed area separated from the second arc-shaped rack (27), and the toothed area and the non-toothed area are distributed at intervals in the circumferential direction of the fourth gear (28); a first clamping pin (29) and a second clamping pin (30) which are used for abutting against or separating from the connecting plate (10) are arranged on the base (7), the first clamping pin (29) and the second clamping pin (30) are respectively positioned on two sides of the connecting plate (10), the first clamping pin (29) and the second clamping pin (30) are both positioned above a second hinge point (26), a reset tension spring (31) is arranged between the connecting plate (10) and the base (7), one end of the reset tension spring (31) is rotatably connected with the connecting plate (10), and the other end of the reset tension spring is rotatably connected with the base (7); the second clamping pin (30) is positioned in a gap between the connecting plate (10) and the swinging plate (14), and the second clamping pin (30) and the reset tension spring (31) are positioned on the same side of the connecting plate (10);

the spring (22) is connected with the base (7) through the balancing device, namely, the spring (22) is rotatably connected to the base (7) through a third hinge point (32), a balancing tension spring (33) is arranged between the spring (22) and the base (7), one end of the balancing tension spring (33) is rotatably connected with the upper end part of the spring (22), and the other end of the balancing tension spring (33) is rotatably connected with the base (7); two balance tension springs (33) are arranged, and the two balance tension springs (33) are symmetrically distributed on two sides of the clockwork spring (22);

the guide tensioning device is arranged between the drilling machine (19) and the base (7), a guide rail (37) for the drilling machine (19) to slide is arranged on the base (7), a driving tension spring (38) is arranged between the drilling machine (19) and the base (7), one end of the driving tension spring (38) is rotatably connected with the middle of the drilling machine (19), the other end of the driving tension spring is rotatably connected with the base (7), the lower end of the drilling machine (19) is rotatably connected with a third roller (39), the third roller (39) is rotatably connected with the inclined plate (20), and the third roller (39) at the lower end of the drilling machine (19) is pulled by the driving tension spring (38) to abut against the inclined plate (.

2. The intelligent punching device according to claim 1, wherein: a guide rod (3) is arranged on the base (7), and a guide hole (4) for the guide rod (3) to pass through is arranged on the sliding table (1); a guide block (5) is arranged on the base (7), and the push block (6) is connected to the guide block (5) in a sliding mode through a dovetail groove.

3. The intelligent punching device according to claim 1, wherein: a guide sleeve (34) is arranged on the base (7), and the transmission rod (23) is connected in the guide sleeve (34) in a sliding manner; one end of the transmission rod (23) is tightly propped against one end, close to the second arc-shaped rack (27), of the connecting plate (10), and the other end of the transmission rod is tightly propped against one end, close to the clockwork spring (22), of the upper end part of the swing plate (14); one end of the transmission rod (23) which is tightly abutted against the connecting plate (10) is rotatably connected with a first roller (35), and the first roller (35) is in rolling connection with the connecting plate (10); one end of the transmission rod (23) which is tightly abutted against the swinging plate (14) is rotatably connected with a second roller (36), and the second roller (36) is in rolling connection with the swinging plate (14).

4. The intelligent punching device according to claim 1, wherein: ejector pin (15) rotate connect on swing plate (14) towards first gear (8) one side, be equipped with on swing plate (14) and be used for supporting gag lever post (40) tight with ejector pin (15), be equipped with between swing plate (14) and ejector pin (15) and be used for pulling ejector pin (15) to support and lean on spacing spring (41) on gag lever post (40), spacing spring (41) one end is rotated with ejector pin (15) and is connected, the other end rotates with swing plate (14) and is connected, and ejector pin (15) and swing plate (14) slope setting.