CN217617184U

CN217617184U - Punching and cutting device for long-strip-shaped workpiece

Info

Publication number: CN217617184U
Application number: CN202220137793.1U
Authority: CN
Inventors: 封亮
Original assignee: Suzhou Bochuan Automation Technology Co ltd
Current assignee: Suzhou Bochuan Automation Technology Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-10-21
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a cut device that punches a hole for rectangular shape work piece, including frame, unreel drive mechanism, punch a hole and cut the mechanism, unreel the roller and unreel the support, install the workstation in the frame, install on the workstation and unreel drive mechanism and punch a hole and cut the mechanism, unreel drive mechanism and punch a hole and cut the mechanism and be located the both sides of workstation respectively, the workstation upper shield is equipped with the protection casing, unreels drive mechanism and punches a hole and cuts the mechanism setting inside the protection casing, installs the PLC touch-sensitive screen on the protection casing, unreel the both ends of roller and rotatably erect on unreeling the support through the bearing frame; the utility model discloses a traction wheel descends on the first cylinder drive, makes on traction wheel and lower traction wheel compress tightly rectangular shape work piece, can enough make things convenient for putting into of rectangular shape work piece, can adjust down traction wheel and last traction wheel again and apply the locking force to rectangular shape work piece, and the frictional force between traction wheel and last traction wheel and the rectangular shape work piece avoids appearing the material loading error under the increase, guarantees the precision of punching a hole.

Description

Punching and cutting device for long-strip-shaped workpiece

Technical Field

The utility model relates to a punching equipment technical field, concretely relates to cutting device that punches a hole for rectangular shape work piece.

Background

The existing strip-shaped workpiece needs to be provided with round holes at two ends and a waist-shaped hole in the middle, and the punching equipment with the structure has low feeding precision in the punching process, so that the subsequent punching precision cannot be required. Only one roller in the existing punching device is a driving roller, and due to the driving of a single driving roller, when the friction force between the driving roller and a long-strip workpiece is smaller than the inertia force of the long-strip workpiece, the long-strip workpiece can slip in the process of being pulled, so that the feeding length error is large, and the punching precision is low. In view of the above disadvantages, it is desirable to design a punching and cutting apparatus for a long workpiece.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cutting device that punches a hole for rectangular shape work piece to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cutting device that punches a hole for rectangular shape work piece, includes the frame, unreels drive mechanism, punches a hole and cuts the mechanism, unreels the roller and unreels the support, install the workstation in the frame, install on the workstation and unreel drive mechanism and punch a hole and cut the mechanism, unreel drive mechanism and punch a hole and cut the both sides that the mechanism is located the workstation respectively, the workstation upper shield is equipped with the protection casing, unreel drive mechanism and punch a hole and cut the mechanism setting inside the protection casing, install the PLC touch-sensitive screen on the protection casing, PLC touch-sensitive screen and PLC controller electric connection, the PLC controller respectively with unreel drive mechanism and punch a hole mechanism electric connection, unreel the both ends of roller and rotatably erect on unreeling the support through the bearing frame, it has rectangular shape work piece to unreel the winding on the roller, it sets up the one side in the frame to unreel the support.

Preferably, the workbench is provided with a mounting opening, an unwinding traction mechanism is arranged in the mounting opening, the workbench is provided with a blanking opening, the lower surface of the workbench is provided with a bracket, a collecting box is placed in the bracket and is located below the blanking opening, and one end of the collecting box is provided with a handle.

Preferably, unreel drive mechanism and include traction motor, traction motor installs the lower surface at the motor fixed plate, the upper surface of motor fixed plate passes through connecting rod and workstation fixed connection, driving pulley is installed to traction motor's output, and driving pulley passes through first drive belt and is connected with the driving pulley transmission, and the one end at the underdrive axle is installed to the driving pulley, the bottom in the backup pad is installed through first lower bearing in the middle part of underdrive axle, underdrive pulley and pinion are installed to the other end of underdrive axle.

Preferably, the lower driving belt wheel is in transmission connection with the lower driven belt wheel through a second driving belt, the lower driven belt wheel is installed at one end of a lower driven shaft, the lower traction wheel is installed at the other end of the lower driven shaft, the other end of the lower driven shaft is installed on a lower bearing seat through a second lower bearing, two lower bearings are arranged on the second lower bearing and the lower bearing seat, and the two lower bearings are located on two sides of the lower traction wheel.

Preferably, the lower gear meshes with last gear, goes up the gear and installs the one end at last transmission shaft, goes up the one end of transmission shaft and still installs transmission band pulley, goes up the other end of transmission shaft and installs at the top of backup pad through first upper bearing, goes up transmission band pulley and is connected with last driven pulley transmission through the third drive belt, goes up driven pulley and installs the one end at last driven shaft, goes up the other end of driven shaft and installs traction wheel, goes up the other end of driven shaft and installs on the upper bearing frame through second upper bearing, second upper bearing and upper bearing frame all are provided with two, two second upper bearing is located traction wheel's both sides.

Preferably, a guide plate is arranged between the upper traction wheel and the lower traction wheel, a guide groove is formed in the guide plate, an opening is formed in the guide groove, four support columns are arranged at the bottom of the guide plate and are installed on the motor fixing plate, a cover plate is installed at the top of the guide plate, a photoelectric switch support is installed on the cover plate, and a photoelectric switch is installed on the photoelectric switch support.

Preferably, bolster bearing housing installs the lower surface at the regulating plate, and the spacing post is all installed to the both sides of regulating plate lower surface, the below of going up the spacing post is provided with down the spacing post, and the spacing post is installed on the workstation down, install two first sliding sleeves on the regulating plate, the inside slip of first sliding sleeve is provided with first guide bar, and first guide bar top is installed on the fixed plate, installs the buffer on the fixed plate, the lower surface mounting of fixed plate has first cylinder, the piston rod and the regulating plate fixed connection of first cylinder, the last surface mounting of regulating plate has spacing post, and spacing post is located the below of buffer.

Preferably, punch a hole and cut mechanism and include lower base, first circular punching knife, cut sword, the circular punching knife of second and waist shape punching knife, the base is installed on the workstation down, the base is located the top of blanking mouth down, and the base is located the one end of deflector down, the holding tank has been seted up on the base down, holding tank internally mounted has the stock guide, the U-shaped groove has been seted up on the stock guide, U-shaped groove and guide way intercommunication, the upper base is installed at the top of base down, all be provided with first circular port, quad slit, second circular port and waist shape hole on base, stock guide and the upper base down, first circular port, quad slit, second circular port and waist shape hole communicate with the blanking mouth respectively.

Preferably, the top of first circular punching cutter is installed on the first blade holder that punches a hole, one side of the first blade holder that punches a hole and the piston rod fixed connection of the first cylinder that punches a hole, the top of cutting the sword is installed on cutting the blade holder, one side of cutting the blade holder and the piston rod fixed connection who cuts the cylinder, the top of the circular punching cutter of second is installed on the second blade holder that punches a hole, one side of the second blade holder that punches a hole and the piston rod fixed connection of the second cylinder that punches a hole, the top of waist shape punching cutter is installed on waist shape blade holder that punches a hole, one side of waist shape punching blade holder and the piston rod fixed connection of the third cylinder that punches a hole.

Preferably, first cylinder, the cylinder that punches a hole, the cylinder that cuts, second cylinder and the third cylinder that punches a hole are installed on the cylinder fixed plate, and the cylinder fixed plate is installed on the lifter plate, install two spliced poles on the lifter plate, the connecting plate is installed at the top of two spliced poles, the top of connecting plate and the piston rod fixed connection of second cylinder, the second cylinder is installed on the fixed plate, four spouts have been seted up on the lifter plate, slide respectively in four spouts and be provided with first blade holder, the cutting blade holder, the second blade holder that punches a hole and the waist shape blade holder that punches a hole, install four second sliding sleeves on the lifter plate, all be provided with the second guide bar in four second sliding sleeves.

Compared with the prior art, the utility model relates to a punching and cutting device for rectangular shape work piece, through the decline of first cylinder drive upper traction wheel, make upper traction wheel and lower traction wheel compress tightly rectangular shape work piece, this design can not only make things convenient for putting into of rectangular shape work piece, can adjust lower traction wheel and upper traction wheel again and apply the locking force to rectangular shape work piece, increase the frictional force between lower traction wheel and upper traction wheel and the rectangular shape work piece, be favorable to the traction to the rectangular shape work piece, avoid appearing the material loading error, guarantee the precision of punching a hole; the utility model discloses earlier carry out the material loading by unreeling drive mechanism to rectangular shape work piece, then punch a hole and cut first circular punching cutter, waist shape punching cutter and the circular punching cutter of second in the mechanism and punch a hole and put out circular port and waist shape hole on rectangular shape work piece respectively in proper order, cut down rectangular shape work piece from the coil stock by cutting the sword at last, improved production efficiency.

Drawings

The accompanying drawings 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 do not constitute a limitation on the invention, and in the drawings:

fig. 1 is a schematic structural view of a punching and cutting device for long-strip-shaped workpieces according to the present invention;

FIG. 2 is a schematic view of a part of the punching and cutting device for long-strip-shaped workpieces according to the present invention;

FIG. 3 is a side view of an unwinding traction mechanism of a punching and cutting device for long-strip workpieces according to the present invention;

FIG. 4 is a perspective view of an unwinding traction mechanism of the punching and cutting device for elongated workpieces of the present invention;

FIG. 5 is an exploded view of a punching and cutting mechanism of the punching and cutting device for elongated workpieces according to the present invention;

FIG. 6 is a side view of a punching and cutting mechanism of the punching and cutting device for long-strip-shaped workpieces according to the present invention;

fig. 7 is a schematic structural view of a long-strip-shaped workpiece in a punching and cutting device for a long-strip-shaped workpiece according to the present invention.

In the drawings:

1. a frame; 2. a work table; 201. an installation port; 202. a blanking port; 203. a bracket; 204. a collection box; 205. a handle; 3. an unwinding traction mechanism; 301. a traction motor; 302. a motor fixing plate; 303. a connecting rod; 304. a driving pulley; 305. a first drive belt; 306. a drive pulley; 307. a lower transmission shaft; 308. a first lower bearing; 309. a support plate; 310. a lower drive pulley; 311. a lower gear; 312. A second belt; 313. a lower driven pulley; 314. a lower driven shaft; 315. a lower traction wheel; 316. a second lower bearing; 317. a lower bearing seat; 318. an upper gear; 319. an upper transmission shaft; 320. an upper drive pulley; 321. a first upper bearing; 322. a third belt; 323. an upper driven pulley; 324. an upper driven shaft; 325. an upper traction wheel; 326. a second upper bearing; 327. an upper bearing seat; 328. a guide plate; 329. A guide groove; 330. a support pillar; 331. a cover plate; 332. a photoelectric switch bracket; 333. a photoelectric switch; 334. an adjusting plate; 335. an upper limiting column; 336. a lower restraint post; 337. a first sliding sleeve; 338. a first guide bar; 339. a fixing plate; 340. a first cylinder; 341. a limiting column; 342. a buffer; 4. a protective cover; 5. a punching and cutting mechanism; 501. a lower base; 502. accommodating grooves; 503. a material guide plate; 504. a U-shaped groove; 505. an upper base; 506. a first circular hole; 507. a square hole; 508. a second circular hole; 509. A waist-shaped hole; 510. a first circular punch; 511. a first punching tool apron; 512. a first punching cylinder; 513. cutting knife; 514. a cutter seat is cut; 515. a cutting cylinder; 516. a second circular punch; 517. a second punching tool apron; 518. a second punching cylinder; 519. a waist-shaped punching knife; 520. a waist-shaped punching tool apron; 521. a third punching cylinder; 522. a cylinder fixing plate; 523. a lifting plate; 524. connecting columns; 525. a connecting plate; 526. a second cylinder; 527. a chute; 528. a second sliding sleeve; 529. a second guide bar; 6. a PLC touch screen; 7. unwinding rollers; 8. a bearing seat; 9. and (4) unwinding the support.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a cutting device that punches a hole for rectangular shape work piece, includes frame 1, unreels drive mechanism 3, punches a hole and cuts mechanism 5, unreels roller 7 and unreels support 9, install workstation 2 in the frame 1, install on the workstation 2 and unreel drive mechanism 3 and punch a hole and cut mechanism 5, it lies in workstation 2's both sides respectively to unreel drive mechanism 3 and punch a hole and cut mechanism 5, 2 upper shields of workstation are equipped with protection casing 4, unreel drive mechanism 3 and punch a hole and cut mechanism 5 and set up inside protection casing 4, install PLC touch-sensitive screen 6 on the protection casing 4, PLC touch-sensitive screen 6 and PLC controller electric connection, PLC controller respectively with unreel drive mechanism 3 and punch a hole and cut mechanism 5 electric connection, the both ends of unreeling roller 7 are rotatably erect on unreeling support 9 through bearing frame 8, the last winding of unreeling roller 7 has rectangular shape work piece, unreeling support 9 sets up in one side of frame 1.

In this embodiment, a mounting opening 201 is formed in the workbench 2, the unwinding traction mechanism 3 is arranged in the mounting opening 201, a blanking opening 202 is formed in the workbench 2, a bracket 203 is arranged on the lower surface of the workbench 2, a collection box 204 is placed inside the bracket 203, the collection box 204 is located below the blanking opening 202, and a handle 205 is arranged at one end of the collection box 204.

The unreeling traction mechanism 3 in this embodiment includes a traction motor 301, the traction motor 301 is installed on the lower surface of a motor fixing plate 302, the upper surface of the motor fixing plate 302 is fixedly connected with the workbench 2 through a connecting rod 303, a driving pulley 304 is installed at an output end of the traction motor 301, the driving pulley 304 is in transmission connection with a driving pulley 306 through a first driving belt 305, the driving pulley 306 is installed at one end of a lower transmission shaft 307, the middle part of the lower transmission shaft 307 is installed at the bottom of a supporting plate 309 through a first lower bearing 308, a lower driving pulley 310 and a lower gear 311 are installed at the other end of the lower transmission shaft 307, the lower driving pulley 310 is in transmission connection with a lower driven pulley 313 through a second driving belt 312, the lower driven pulley 313 is installed at one end of a lower driven shaft 314, and a lower traction wheel 315 is installed at the other end of the lower driven shaft 314, the other end of the lower driven shaft 314 is mounted on the lower bearing seat 317 through a second lower bearing 316, two second lower bearings 316 and two lower bearing seats 317 are provided, two second lower bearings 316 are located at both sides of the lower traction wheel 315, the lower gear 311 is engaged with the upper gear 318, the upper gear 318 is mounted at one end of the upper drive shaft 319, one end of the upper drive shaft 319 is further mounted with an upper transmission pulley 320, the other end of the upper transmission shaft 319 is mounted at the top of the support plate 309 through a first upper bearing 321, the upper transmission pulley 320 is in transmission connection with the upper driven pulley 323 through a third transmission belt 322, the upper driven pulley 323 is mounted at one end of the upper driven shaft 324, the other end of the upper driven shaft 324 is mounted with an upper traction wheel 325, the other end of the upper driven shaft 324 is mounted on the upper bearing seat 327 through a second upper bearing 326, two second upper bearings 326 and two upper bearing seats 327 are provided, two second upper bearings 326 are located at both sides of the upper traction wheel 325, be provided with deflector 328 between last traction wheel 325 and the lower traction wheel 315, seted up guide way 329 on the deflector 328, seted up the opening on the guide way 329, the bottom of deflector 328 is provided with four support columns 330, four support columns 330 are installed on motor fixed plate 302, and apron 331 is installed at the top of deflector 328, installs photoelectric switch support 332 on the apron 331, installs photoelectric switch 333 on the photoelectric switch support 332, photoelectric switch 333 and PLC controller's electric connection is equipped with the logical unthreaded hole that the light that supplies photoelectric switch 333 to send or receive to pass through on the apron 331.

In this embodiment, the upper bearing seat 327 is installed on the lower surface of the adjusting plate 334, the upper limiting columns 335 are installed on both sides of the lower surface of the adjusting plate 334, the lower limiting columns 336 are arranged below the upper limiting columns 335, the lower limiting columns 336 are installed on the workbench 2, two first sliding sleeves 337 are installed on the adjusting plate 334, a first guide rod 338 is arranged in the first sliding sleeves 337 in a sliding manner, the top of the first guide rod 338 is installed on a fixing plate 339, a buffer 342 is installed on the fixing plate 339, a first air cylinder 340 is installed on the lower surface of the fixing plate 339, a piston rod of the first air cylinder 340 is fixedly connected with the adjusting plate 334, limiting columns 341 are installed on the upper surface of the adjusting plate 334, and the limiting columns 341 are located below the buffer 342.

Punching a hole and cutting mechanism 5 in this embodiment includes base 501, first circular punching knife 510, cuts sword 513, the circular punching knife 516 of second and waist shape punching knife 519, base 501 installs on workstation 2 down, base 501 is located the top of blanking mouth 202 down, and base 501 is located the one end of deflector 328 down, holding tank 502 has been seted up on base 501 down, holding tank 502 internally mounted has stock guide 503, U-shaped groove 504 has been seted up on stock guide 503, U-shaped groove 504 and guide way 329 intercommunication, upper base 505 is installed at base 501's top down, all be provided with first circular opening 506, quad 507, second circular opening 508 and waist shape hole on base 501, stock guide 503 and the upper base 505 down, first circular opening 506, quad opening 507, second circular opening 508 and waist shape hole 509 communicate with blanking mouth 202 respectively.

In this embodiment, the top end of the first circular punching knife 510 is installed on the first punching knife seat 511, one side of the first punching knife seat 511 is fixedly connected with the piston rod of the first punching cylinder 512, the top end of the cutting knife 513 is installed on the cutting knife seat 514, one side of the cutting knife seat 514 is fixedly connected with the piston rod of the cutting cylinder 515, the top end of the second circular punching knife 516 is installed on the second punching knife seat 517, one side of the second punching knife seat 517 is fixedly connected with the piston rod of the second punching cylinder 518, the top end of the waist-shaped punching knife 519 is installed on the waist-shaped punching knife seat 520, one side of the waist-shaped punching knife seat 520 is fixedly connected with the piston rod of the third punching cylinder 521, and the first punching knife seat 511, the cutting knife seat, the second punching knife seat 517 and the waist-shaped punching knife seat 520 are located between the lifting plate 523 and the connecting plate 525.

In this embodiment, the first punching cylinder 512, the cutting cylinder 515, the second punching cylinder 518, and the third punching cylinder 521 are installed on a cylinder fixing plate 522, the cylinder fixing plate 522 is installed on a lifting plate 523, two connecting columns 524 are installed on the lifting plate 523, a connecting plate 525 is installed at the tops of the two connecting columns 524, the top of the connecting plate 525 is fixedly connected with a piston rod of a second cylinder 526, the second cylinder 526 is installed on a fixing plate 339, four sliding grooves 527 are formed in the lifting plate 523, a first punching cutter holder 511, a cutting cutter holder 514, a second punching cutter holder 517 and a kidney-shaped punching cutter holder 520 are respectively arranged in the four sliding grooves 527 in a sliding manner, four second sliding sleeves 528 are installed on the lifting plate 523, second guide rods 529 are all arranged in the four second sliding sleeves 528, the bottoms of the second guide rods 529 are fixed on the workbench 2, and the tops of the second guide rods 529 are fixed on the fixing plate 339.

When the utility model is used, the long strip-shaped workpiece on the unreeling roller 7 is unreeled, the long strip-shaped workpiece passes through the guide groove 329 and the U-shaped groove 504 in sequence, when the long strip-shaped workpiece passes through the guide groove 329 between the lower traction wheel 315 and the upper traction wheel 325, the upper traction wheel 325 is lifted through the first air cylinder 340, at the moment, the lower traction wheel 315 and the upper traction wheel 325 are separated, the long strip-shaped workpiece passes through the guide groove 329 between the lower traction wheel 315 and the upper traction wheel 325 conveniently, after the long strip-shaped workpiece passes through the guide groove 329 between the lower traction wheel 315 and the upper traction wheel 325, the first air cylinder 340 drives the upper traction wheel 325 to descend, so that the upper traction wheel 325 and the lower traction wheel 315 compress the long strip-shaped workpiece tightly, the design can not only facilitate the putting of the long strip-shaped workpiece, but also adjust the lower traction wheel 315 and the upper traction wheel 325 to apply locking force to the long strip-shaped workpiece, increase the friction force between the lower traction wheel 315 and the upper traction wheel 325 and the long strip-shaped workpiece, the device is beneficial to traction of a long-strip-shaped workpiece, when the photoelectric switch 333 does not sense the long-strip-shaped workpiece, the photoelectric switch feeds back a signal to the PLC controller, the PLC controller stops working, when the photoelectric switch 333 senses the long-strip-shaped workpiece, the photoelectric switch feeds back a signal to the PLC controller, the PLC controller controls the traction motor 301 to work to drive the driving pulley 304 to rotate, the driving pulley 306 is driven to rotate under the driving action of the first driving belt 305, the driving pulley 306 drives the lower driving shaft 307 to rotate, the lower driving shaft 307 drives the lower driving pulley 310 and the lower gear 311 to rotate, the lower driven pulley 313 is driven to rotate under the driving action of the second driving belt 312, the lower driven shaft 314 is driven to rotate by the lower driven pulley 313, so as to drive the lower traction wheel 315 to rotate, because the lower gear 311 is meshed with the upper gear 318, the upper gear 318 drives the upper driving shaft 319 to rotate, the upper transmission shaft 319 drives the upper transmission belt wheel 320 to rotate, the upper driven belt wheel 323 is driven to rotate under the transmission action of the third transmission belt 322, the upper driven belt wheel 323 drives the upper driven shaft 324 to rotate, so that the upper traction wheel 325 is driven to rotate, the lower traction wheel 315 and the upper traction wheel 325 apply traction force to the long-strip-shaped workpiece, and the long-strip-shaped workpiece is conveyed and fed.

When a long-strip-shaped workpiece passes through the U-shaped groove 504 between the lower base 501 and the upper base 505, the traction motor 301 stops working, the cutting cylinder 515, the second punching cylinder 518 and the third punching cylinder 521 retract to the first punching cylinder 512 and extend, the piston rod of the first punching cylinder 512 pushes the first punching tool holder 511 to move along the sliding chute 527, the first punching tool holder 511 drives the first circular punching tool 510 to move, so that the first circular punching tool 510 is positioned above the first circular hole 506 of the upper base 505, the piston rod of the cutting cylinder 515 pushes the cutting tool holder 514 to move along the sliding chute 527, the cutting tool holder 514 drives the cutting tool 513 to move, so that the cutting tool 513 is far away from the upper base 505, namely the cutting tool 513 is not positioned above the upper base 505, the piston rod of the second punching cylinder 518 pushes the second punching tool holder 517 to move along the sliding chute 527, and the second punching tool holder 517 drives the second circular punching tool 516 to move, so that the second circular punching knife 516 is far away from the upper base 505, that is, the second circular punching knife 516 is not above the upper base 505, the piston rod of the third punching cylinder 521 pushes the kidney-shaped punching knife holder 520 to move along the sliding chute 527, the kidney-shaped punching knife holder 520 drives the kidney-shaped punching knife 519 to move, so that the kidney-shaped punching knife 519 is far away from the upper base 505, that is, the kidney-shaped punching knife 519 is not above the upper base 505, the second cylinder 526 extends out to drive the connecting plate 525 to move downwards, the lifting plate 523 also moves downwards, the first punching knife holder 511 located between the connecting plate 525 and the lifting plate 523 also moves along with the movement, the first circular punching knife 510 penetrates through the first circular hole 506 on the upper base 505 to punch one end of the elongated workpiece in the U-shaped groove 504, thereby realizing the forming of the circular hole at one end of the elongated workpiece, after the one end of the elongated workpiece is processed, the traction motor 301 works to convey the elongated workpiece, after the elongated workpiece is conveyed for a certain distance, the traction motor 301 stops working, the third punching cylinder 521 extends out of the first punching cylinder 512, the cutting cylinder 515 and the second punching cylinder 518 retract, a piston rod of the third punching cylinder 521 pushes the kidney-shaped punching tool apron 520 to move along the sliding chute 527, so that the kidney-shaped punching tool 519 is located above the kidney-shaped hole 509, the second cylinder 526 extends out to drive the kidney-shaped punching tool 519 to penetrate through the kidney-shaped hole 509 on the upper base 505 to punch the middle of the elongated workpiece in the U-shaped groove 504, thereby forming of the kidney-shaped hole in the middle of the elongated workpiece is realized, waste materials generated by punching firstly enter the blanking port 202 through the kidney-shaped holes 509 on the lower base 501 and the guide plate 503 in sequence, then fall into the collection box 204 through the blanking port 202, so as to prevent the blanking of the circular hole, after the middle of the elongated workpiece is processed, the elongated workpiece is conveyed by the traction motor 301 after the elongated workpiece is conveyed for a certain distance, the traction motor 301 stops working, the second punching cylinder 518 extends out of the first punching cylinder 512, the cutting cylinder is retracted into the third punching cylinder 521, the circular hole, the other end of the second punching tool apron 518 retracts, so that the elongated workpiece 518 of the elongated workpiece 518 extends out of the second punching tool apron 518 and the second punching cylinder 518 along the second punching cylinder 512, so as to drive the circular hole on the second punching tool bucket 527, the circular punching cylinder 518, the circular hole of the elongated workpiece, the elongated workpiece 518, the piston rod of the cutting cylinder 515 pushes the cutting tool holder 514 to move along the sliding slot 527, so that the cutting tool 513 is located above the square hole 507, and the second cylinder 526 extends out to drive the cutting tool 513 to pass through the square hole 507 on the upper base 505 to cut the long-strip-shaped workpiece in the U-shaped groove 504, thereby achieving the cutting of the long-strip-shaped workpiece.

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 cutting device that punches a hole for rectangular shape work piece which characterized in that: including frame (1), unreel drive mechanism (3), punch a hole and cut mechanism (5), unreel roller (7) and unreel support (9), install workstation (2) on frame (1), install on workstation (2) and unreel drive mechanism (3) and punch a hole and cut mechanism (5), unreel drive mechanism (3) and punch a hole and cut mechanism (5) and be located the both sides of workstation (2) respectively, workstation (2) upper shield is equipped with protection casing (4), unreel drive mechanism (3) and punch a hole and cut mechanism (5) and set up inside protection casing (4), install PLC touch-sensitive screen (6) on protection casing (4), PLC touch-sensitive screen (6) and PLC controller electric connection, PLC controller respectively with unreel drive mechanism (3) and punch a hole mechanism (5) electric connection, unreel the both ends of roller (7) and rotatably erect on unreeling support (9) through bearing frame (8), it has rectangular shape work piece to unreel on roller (7), unreel support (9) and set up in one side of frame (1).

2. A punch cutting apparatus for elongated workpieces as set forth in claim 1, wherein: the automatic feeding device is characterized in that a mounting opening (201) is formed in the workbench (2), an unreeling traction mechanism (3) is arranged in the mounting opening (201), a blanking opening (202) is formed in the workbench (2), a bracket (203) is arranged on the lower surface of the workbench (2), a collecting box (204) is placed inside the bracket (203), the collecting box (204) is located below the blanking opening (202), and a handle (205) is installed at one end of the collecting box (204).

3. A punch cutting apparatus for elongated workpieces as set forth in claim 1, wherein: unreel drive mechanism (3) and include traction motor (301), the lower surface at motor fixed plate (302) is installed in traction motor (301), the upper surface of motor fixed plate (302) passes through connecting rod (303) and workstation (2) fixed connection, driving pulley (304) are installed to traction motor's (301) output, and driving pulley (304) are connected with driving pulley (306) transmission through first driving belt (305), and driving pulley (306) are installed in the one end of under-drive shaft (307), the bottom in backup pad (309) is installed through first lower bearing (308) in the middle part of under-drive shaft (307), under-drive pulley (310) and lower gear (311) are installed to the other end of under-drive shaft (307).

4. A punch and cut out apparatus for elongated workpieces as set forth in claim 3, wherein: lower driving pulley (310) are connected with lower driven pulley (313) transmission through second drive belt (312), lower driven pulley (313) are installed in the one end of lower driven shaft (314), traction wheel (315) down is installed to the other end of lower driven shaft (314), the other end of lower driven shaft (314) is installed on step down (317) through second lower bearing (316), second lower bearing (316) and step down (317) all are provided with two, two second lower bearing (316) are located the both sides of traction wheel (315) down.

5. A punch and cut out apparatus for elongated workpieces as set forth in claim 3, wherein: the lower gear (311) is meshed with the upper gear (318), the upper gear (318) is installed at one end of an upper transmission shaft (319), an upper transmission belt wheel (320) is further installed at one end of the upper transmission shaft (319), the other end of the upper transmission shaft (319) is installed at the top of a supporting plate (309) through a first upper bearing (321), the upper transmission belt wheel (320) is in transmission connection with an upper driven belt wheel (323) through a third transmission belt (322), the upper driven belt wheel (323) is installed at one end of an upper driven shaft (324), an upper traction wheel (325) is installed at the other end of the upper driven shaft (324), the other end of the upper driven shaft (324) is installed on an upper bearing seat (327) through a second upper bearing (326), two second upper bearings (326) and two upper bearing seats (327) are arranged, and the second upper bearings (326) are located on two sides of the upper traction wheel (325).

6. A punch cutting apparatus for elongated workpieces as set forth in claim 5, wherein: go up between traction wheel (325) and lower traction wheel (315) and be provided with deflector (328), seted up guide way (329) on deflector (328), seted up the opening on guide way (329), the bottom of deflector (328) is provided with four support columns (330), four support column (330) are installed on motor fixed plate (302), and apron (331) are installed at the top of deflector (328), install photoelectric switch support (332) on apron (331), install photoelectric switch (333) on photoelectric switch support (332).

7. A punch cutting apparatus for elongated workpieces as set forth in claim 5, wherein: the lower surface at regulating plate (334) is installed in bolster bearing housing (327), and spacing post (335) are all installed to the both sides of regulating plate (334) lower surface, the below of spacing post (335) is provided with down spacing post (336), install two first sliding sleeves (337) on regulating plate (334), first sliding sleeve (337) inside slip is provided with first guide bar (338), and install on fixed plate (339) first guide bar (338) top, install buffer (342) on fixed plate (339), first cylinder (340) are installed to the lower surface of fixed plate (339), the piston rod and regulating plate (334) fixed connection of first cylinder (340), the last surface mounting of regulating plate (334) has spacing post (341), and spacing post (341) are located the below of buffer (342).

8. A punch cutting apparatus for elongated workpieces as set forth in claim 1, wherein: punch a hole and cut mechanism (5) including lower base (501), first circular punching knife (510), cut sword (513), the circular punching knife of second (516) and waist shape punching knife (519), install down base (501) on workstation (2), lower base (501) are located the top of blanking mouth (202), and lower base (501) are located the one end of deflector (328), holding tank (502) have been seted up down on base (501), holding tank (502) internally mounted has guide plate (503), U-shaped groove (504) have been seted up on guide plate (503), U-shaped groove (504) and guide groove (329) intercommunication, upper base (505) are installed at the top of lower base (501), all be provided with first circular hole (506), quad slit (507), second guide plate (508) and waist shape hole (509) on lower base (501), second circular hole (508) and upper base (505), first circular hole (506), quad slit (507), second circular hole (508) and waist shape hole (509) communicate with waist shape hole (202) respectively.

9. A punch cutting apparatus for elongated workpieces as set forth in claim 8, wherein: the utility model discloses a round punching machine, including first circular punching knife (510), piston rod fixed connection, cutting knife seat (514), piston rod fixed connection, the top of first circular punching knife (510) is installed on first punching knife seat (511), one side of first punching knife seat (511) and first cylinder (512) that punches a hole, the top of cutting knife (513) is installed on cutting knife seat (514), one side of cutting knife seat (514) and the piston rod fixed connection who cuts cylinder (515), the top of the circular punching knife (516) of second is installed on second punching knife seat (517), one side of second punching knife seat (517) and the piston rod fixed connection of second cylinder (518) that punches a hole, the top of waist shape punching knife (519) is installed on waist shape punching knife seat (520), one side of waist shape punching knife seat (520) and the piston rod fixed connection of third cylinder (521) that punches a hole.

10. A punch cutting apparatus for elongated workpieces as set forth in claim 9, wherein: first cylinder (512) of punching a hole, cut cylinder (515), second cylinder (518) and the third cylinder (521) of punching a hole and install on cylinder fixed plate (522), install on lifter plate (523) cylinder fixed plate (522), install two spliced poles (524) on lifter plate (523), connecting plate (525) are installed at the top of two spliced poles (524), the top of connecting plate (525) and the piston rod fixed connection of second cylinder (526), install on fixed plate (339) second cylinder (526), four spout (527) have been seted up on lifter plate (523), slide respectively in four spout (527) and be provided with first blade holder (511) of punching a hole, cut blade holder (514), second blade holder (517) and waist shape blade holder (520) of punching a hole, install four second sliding sleeves (528) on lifter plate (523), all be provided with second guide bar (529) in four second sliding sleeves (528).