CN112388329A

CN112388329A - Positioning punching and polishing burr device based on metal plate

Info

Publication number: CN112388329A
Application number: CN202011331639.XA
Authority: CN
Inventors: 王云奎
Original assignee: Shaoxing Shangyu District Guxi Electronic Technology Co ltd
Current assignee: Shaoxing Shangyu District Guxi Electronic Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-02-23

Abstract

The invention discloses a positioning punching and burr polishing device based on a metal plate, which comprises a base, an inner cavity is arranged in the base, the front wall of the inner cavity is communicated with a feed inlet with a forward opening, the rear wall of the inner cavity is communicated with a discharge cavity with a backward opening, the right wall of the inner cavity is rotatably connected with two conveyer belt wheel shafts, the conveyer belt wheels are fixedly connected on the conveyer belt wheel shafts, a conveyer belt is connected between the two conveyer belt wheels, the invention controls the gears to be meshed with each other by utilizing an electromagnet to control the movement of the metal plate, thereby determining the punching position, simultaneously utilizing the air pump and the motor to control the punching cutter to punch, replacing manual positioning punching, simultaneously punching and burr polishing, therefore, the working efficiency is improved, the labor intensity of workers is reduced, and meanwhile, the control device can be used for processing metal plates with different sizes by utilizing the elastic deformation of the spring.

Description

Positioning punching and polishing burr device based on metal plate

Technical Field

The invention relates to the field of plate correlation, in particular to a positioning punching and burr polishing device based on a metal plate.

Background

Generally, punching is needed in the processing process of a metal plate, punching positions are judged manually by means of past experience before punching, or a measuring instrument is used for punching the plate to be preliminarily positioned and draw lines, although the accuracy is higher, the working efficiency is low, the labor intensity of workers is higher, meanwhile, burrs of the metal plate need to be polished before sale, punching and polishing are generally conducted separately, two devices are needed for processing the metal plate, and the polishing burr device cannot be used for processing the metal plates with different sizes, so that the working efficiency is reduced, and the processing cost is increased.

Disclosure of Invention

In order to solve the problems, the embodiment designs a device for positioning, punching and polishing rough edges based on metal plates, the device for positioning, punching and polishing rough edges based on metal plates comprises a base, an inner cavity is arranged in the base, the front wall of the inner cavity is communicated with a feed inlet with a forward opening, the rear wall of the inner cavity is communicated with a discharge cavity with a backward opening, the right wall of the inner cavity is rotatably connected with two conveyer belt shafts, the conveyer belt shafts are fixedly connected with conveyer belts, a conveyer belt is connected between the two conveyer belts, a motor is arranged in the upper wall of the inner cavity, the lower end of the motor is in power connection with a rotating shaft, the lower end of the rotating shaft is fixedly connected with a connecting block, the lower end of the connecting block is fixedly connected with an air pump device, the lower end of the air pump device is fixedly provided with an elevating pipe, the, the upper wall of the inner cavity is fixedly connected with a fixed plate, a cutter cavity which is communicated up and down is arranged in the front side of the fixed plate, the cutter cavity is positioned at the upper side of the conveyor belt, the lower end of the connecting rod extends into the cutter cavity, the lower end of the connecting rod is fixedly connected with a punching cutter, the punching cutter slides up and down in the cutter cavity, the diameter in the cutter cavity is slightly larger than the outer diameter of the punching cutter, the scrap iron on the punching cutter can be clamped outside the cutter cavity by the cutter cavity, the left wall of the inner cavity is communicated with a spring cavity and a cavity, the cavity is positioned at the upper side of the spring cavity, the left wall of the lower side of the cavity is rotatably connected with a transmission gear shaft, the right end of the transmission gear shaft is fixedly connected with a transmission gear, the left end of the conveyor belt shaft at the rear side is fixedly connected, a linkage block which slides up and down is arranged in the conductive plate cavity, a rotating gear shaft is rotatably connected in the linkage block, an electromagnetic spring is connected between the lower end of the linkage block and the lower wall of the conductive plate cavity, the conductive plate is electrically connected with the electromagnetic spring, a rotating gear is fixedly connected at the right end of the rotating gear shaft, the upper end of the rotating gear is respectively meshed with the lower ends of the transmission gear and the linkage gear, the upper wall of the inner cavity is communicated with two limiting grooves, limiting blocks which slide left and right are arranged in the limiting grooves, a limiting spring is connected between one end of the limiting block, which is far away from the motor, and one side of the limiting groove, which is far away from the motor, the lower end of the limiting block is rotatably connected with a grinding wheel shaft, the left wall and the right wall of the inner cavity are respectively and fixedly connected with, and the lower end of the grinding wheel shaft is fixedly connected with a grinding wheel, the grinding wheel shaft can slide left and right along the positioning spring cavity, a linkage rod is rotatably connected on the grinding wheel shaft and is positioned at the lower side of the positioning plate, a positioning spring is connected between one side of the positioning spring cavity, which is far away from the connecting block, and the corresponding grinding wheel shaft, the grinding wheel at the left side and the right side respectively support against the left end and the right end of the metal plate, at the moment, the metal plate is manually placed on the upper side of the conveying belt through the feed port, simultaneously, the transmission gear shaft rotates to drive the transmission gear to rotate, further drive the rotating gear to rotate, simultaneously drive the rotating gear shaft to rotate, further drive the linkage gear to rotate, simultaneously drive the rear side conveying belt wheel shaft to rotate, further drive the upper end of the conveying belt to move forwards, when a metal plate moves to a punching position, the program controls the current-conducting plate to be electrified to drive the electromagnetic spring to compress downwards, so as to drive the linkage block to move downwards, simultaneously drive the rotating gear to move downwards, further drive the rotating gear to move downwards, simultaneously drive the upper end of the rotating gear not to be meshed with the lower end of the transmission gear and the lower end of the linkage gear, further drive the rear-side wheel shaft of the conveying belt to stop rotating, simultaneously drive the conveying belt to stop moving forwards, further drive the metal plate at the upper end of the conveying belt to stop moving, at the moment, the motor is started to drive the rotating shaft to rotate, further drive the connecting block to rotate, simultaneously drive the air pump device to rotate, further drive the lifting pipe to rotate, further drive the connecting rod to rotate, further drive the punching cutter to rotate, and simultaneously control the connecting rod to move downwards along the interior of the lifting pipe, and then the punching cutter is driven to move downwards along the cutter cavity, and simultaneously the punching cutter punches the metal plate on the lower side.

Beneficially, a bevel gear shaft is rotatably connected to the left wall of the upper side of the cavity and the right wall of the inner cavity respectively, a worm tube sleeve is connected to the bevel gear shaft through a spline, a worm wheel is fixedly connected to the grinding wheel shaft, the rear end of the worm wheel is meshed with the front end of the worm tube sleeve, a driven bevel gear is fixedly connected to one end, close to the rotating shaft, of the bevel gear shaft, a driving bevel gear is fixedly connected to the rotating shaft, the upper end of the driven bevel gear is meshed with the left end and the right end of the driving bevel gear respectively, at the moment, the rotating shaft rotates to drive the driving bevel gear to rotate, further drive the driven bevel gear to rotate, further drive the bevel gear shaft to rotate, and simultaneously drive.

Beneficially, a sliding shaft sleeve is connected to the bevel gear shaft in a sliding manner, the worm pipe sleeve is rotatably connected to one end, away from the rotating shaft, of the sliding shaft sleeve, a connecting rod is fixedly connected to the front end of the sliding shaft sleeve, a sliding block is fixedly connected to the front end of the connecting rod, a telescopic spring is connected between the two sliding blocks, the telescopic spring and the sliding block are located in the feed port, the upper wall of the feed port is communicated with two guide grooves, the upper end of the sliding block is slidably arranged in the guide grooves, a limiting rod is fixedly connected to the lower end of the sliding block, a positioning block is fixedly connected to the lower end of the limiting rod, the two positioning blocks clamp the left end and the right end of the metal plate, the front end of the linkage rod is abutted to one end, away from the telescopic spring, of the metal plate is manually placed into the feed port and clamped between, and then drive the sliding block back to back motion, and then drive the reverse extension in expanding spring both ends, simultaneously under expanding spring's elasticity effect, the device can be processed not unidimensional sheet metal.

Beneficially, the right wall of the inner cavity is communicated with a scrap outlet with a right opening, a supporting block is fixedly arranged on the lower wall of the inner cavity, the conveyor belt wheel shaft is rotatably connected into the upper side of the supporting block, a left-right through fan cavity is arranged on the lower side of the supporting block, a filter screen is connected between the upper wall and the lower wall of the right side of the fan cavity, a connecting block is fixedly arranged on the lower wall of the inner cavity and located on the left side of the supporting block, a fan shaft is rotatably connected into the connecting block and extends into the fan cavity, a fan is fixedly connected to the right end of the fan shaft and located on the left side of the filter screen, synchronous belt wheels are respectively fixedly connected onto the fan shaft and the rotating gear shaft, a synchronous belt is connected between the two synchronous belt wheels, a scrap removing plate is fixedly arranged on the lower wall of the inner cavity, a scrap collecting cavity with an upward opening is arranged in the, inhale the bits board and have the attraction effect to iron fillings, remove the bits board front and back side and become the tilt state, the iron fillings landing of being convenient for to collect the bits intracavity, the iron fillings that processing produced this moment fall remove the bits board upper end, simultaneously pass through the magnetic attraction of inhaling the bits board, the iron fillings landing is arrived this moment collect the bits intracavity, simultaneously the rotation gear axle rotates, drives the fan axle rotates, and then drives the fan rotates, and then will the iron fillings of collecting the bits intracavity pass through the sweeps export is blown to the external world.

Beneficially, the bevel gear shaft on the left side and the transmission gear shaft are fixedly connected with linkage belt wheels respectively, a linkage belt is connected between the two linkage belt wheels and located in the cavity, the bevel gear shaft on the left side is driven to rotate at the moment, and then the transmission gear shaft is driven to rotate.

The invention has the beneficial effects that: the invention controls the gears to be meshed with each other by utilizing the electromagnet, controls the movement of the metal plate, thereby determining the punching position, simultaneously controls the punching cutter to punch by utilizing the air pump and the motor, replaces manual positioning punching, and simultaneously punches and polishes burrs, thereby improving the working efficiency and reducing the labor intensity of workers.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure in the direction of a-a in fig. 1.

Fig. 3 is a schematic view of the directional structure B-B in fig. 1.

Fig. 4 is an enlarged schematic view of C in fig. 1.

Fig. 5 is a schematic view of the directional structure of D-D in fig. 2.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a positioning punching and burr polishing device based on metal plates, which comprises a base 11, wherein an inner cavity 12 is arranged in the base 11, the front wall of the inner cavity 12 is communicated with a feed inlet 48 with a forward opening, the rear wall of the inner cavity 12 is communicated with a discharge cavity 76 with a backward opening, the right wall of the inner cavity 12 is rotatably connected with two conveyor belt wheel shafts 54, the conveyor belt wheel shafts 54 are fixedly connected with conveyor belt wheels 40, a conveyor belt 39 is connected between the two conveyor belt wheels 40, the upper wall of the inner cavity 12 is internally provided with a motor 26, the lower end of the motor 26 is in power connection with a rotating shaft 28, the lower end of the rotating shaft 28 is fixedly connected with a connecting block 25, the lower end of the connecting block 25 is fixedly connected with an air pump device 19, the lower end of the air pump device 19 is fixedly provided with an elevating pipe 18, the, the upper wall of the inner cavity 12 is fixedly connected with a fixed plate 15, a cutter cavity 77 which is through up and down is arranged in the front side of the fixed plate 15, the cutter cavity 77 is positioned on the upper side of the conveyor belt 39, the lower end of the connecting rod 17 extends into the cutter cavity 77, the lower end of the connecting rod 17 is fixedly connected with a punching cutter 41, the punching cutter 41 slides up and down in the cutter cavity 77, the inner diameter of the cutter cavity 77 is slightly larger than the outer diameter of the punching cutter 41, the iron filings on the punching cutter 41 can be clamped outside the cutter cavity 77 by the cutter cavity 77, the left wall of the inner cavity 12 is communicated with a spring cavity 68 and a cavity 33, the cavity 33 is positioned on the upper side of the spring cavity 68, the left wall of the lower side of the cavity 33 is rotatably connected with a transmission gear shaft 69, the right end of the transmission gear shaft 69 is fixedly connected with a, a current-conducting plate 63 is fixedly connected between the upper wall and the lower wall of the right side of the spring cavity 68, a current-conducting plate cavity 64 which is through from left to right is arranged in the current-conducting plate 63, a linkage block 66 which slides up and down is arranged in the current-conducting plate cavity 64, a rotating gear shaft 67 is rotatably connected in the linkage block 66, an electromagnetic spring 65 is connected between the lower end of the linkage block 66 and the lower wall of the current-conducting plate cavity 64, the current-conducting plate 63 and the electromagnetic spring 65 are electrically connected, a rotating gear 71 is fixedly connected at the right end of the rotating gear shaft 67, the upper end of the rotating gear 71 is respectively meshed with the lower ends of the transmission gear 70 and the linkage gear 72, the upper wall of the inner cavity 12 is communicated with two limiting grooves 21, limiting blocks 24 which slide left and right are arranged in the limiting grooves 21, and a limiting spring 22 is connected between, the lower end of the limiting block 24 is rotatably connected with a grinding wheel shaft 23, the left wall and the right wall of the inner cavity 12 are respectively fixedly connected with a positioning plate 37, a positioning spring cavity 36 which is through up and down is arranged in the positioning plate 37, the lower end of the grinding wheel shaft 23 penetrates through the positioning spring cavity 36, the lower end of the grinding wheel shaft 23 is fixedly connected with a grinding wheel 14, the grinding wheel shaft 23 can slide left and right along the positioning spring cavity 36, the grinding wheel shaft 23 is rotatably connected with a linkage rod 16, the linkage rod 16 is positioned at the lower side of the positioning plate 37, a positioning spring 35 is connected between one side of the positioning spring cavity 36, which is far away from the connecting block 25, and the corresponding grinding wheel shaft 23, the grinding wheel 14 at the left side and the right side respectively support against the left end and the right end of a metal plate, at the moment, the metal plate is manually placed on the, thereby driving the rotation gear 71 to rotate, driving the rotation gear shaft 67 to rotate, further driving the linkage gear 72 to rotate, simultaneously driving the rear side conveyor belt wheel shaft 54 to rotate, further driving the upper end of the conveyor belt 39 to move forward, simultaneously driving the metal plate at the upper end of the conveyor belt 39 to move forward, when the metal plate moves to the punching position, the program controls the conductive plate 63 to be electrified, thereby driving the electromagnetic spring 65 to compress downward, further driving the linkage block 66 to move downward, simultaneously driving the rotation gear shaft 67 to move downward, further driving the rotation gear 71 to move downward, simultaneously driving the upper end of the rotation gear 71 not to be meshed with the lower ends of the transmission gear 70 and the linkage gear 72, further driving the rear side conveyor belt wheel shaft 54 to stop rotating, and simultaneously driving the conveyor belt 39 to stop moving forward, and then drive the sheet metal stop motion of conveyer belt 39 upper end, start this moment motor 26 drives axis of rotation 28 rotates, and then drives connecting block 25 rotates, drives simultaneously air pump device 19 rotates, and then drives lift pipe 18 rotates, drives simultaneously connecting rod 17 rotates, and then drives punching tool 41 rotates, simultaneously air pump device 19 control connecting rod 17 follows the inside downstream of lift pipe 18, and then drives punching tool 41 follows cutter chamber 77 downstream, simultaneously punching tool 41 punches to the sheet metal of downside.

Beneficially, a bevel gear shaft 20 is respectively rotatably connected to the left wall of the upper side of the cavity 33 and the right wall of the inner cavity 12, a worm sleeve 32 is connected to the bevel gear shaft 20 through a spline, a worm wheel 31 is fixedly connected to the grinding wheel shaft 23, the rear end of the worm wheel 31 is meshed with the front end of the worm sleeve 32, a driven bevel gear 29 is fixedly connected to one end, close to the rotating shaft 28, of the bevel gear shaft 20, a driving bevel gear 27 is fixedly connected to the rotating shaft 28, the upper ends of the driven bevel gear 29 on the left side and the right side are respectively meshed with the left end and the right end of the driving bevel gear 27, at this time, the rotating shaft 28 rotates to drive the driving bevel gear 27 to rotate, and further drives the driven bevel gear 29 to rotate, and further drives the bevel gear shaft 20.

Beneficially, a sliding shaft sleeve 30 is slidably connected to the bevel gear shaft 20, the worm pipe sleeve 32 is rotatably connected to one end of the sliding shaft sleeve 30, which is far away from the rotating shaft 28, a connecting rod 46 is fixedly connected to the front end of the sliding shaft sleeve 30, a sliding block 47 is fixedly connected to the front end of the connecting rod 46, an expansion spring 49 is connected between the two sliding blocks 47, the expansion spring 49 and the sliding block 47 are located in the feed port 48, two guide grooves 50 are communicated with the upper wall of the feed port 48, the upper end of the sliding block 47 is slidably disposed in the guide grooves 50, a limiting rod 51 is fixedly connected to the lower end of the sliding block 47, a positioning block 52 is fixedly connected to the lower end of the limiting rod 51, the two positioning blocks 52 clamp the left and right ends of the metal plate, the front end of the linkage rod 16 abuts against one end of the limiting rod 51, which is far away from, and clamped between the two positioning blocks 52, the positioning blocks 52 drive the limiting rods 51 to move back to back, so as to drive the sliding blocks 47 to move back to back, so as to drive the two ends of the telescopic spring 49 to extend reversely, and meanwhile, under the elastic action of the telescopic spring 49, the device can process metal plates with different sizes.

Beneficially, the right wall of the inner cavity 12 is communicated with a scrap outlet 13 with a right opening, a supporting block 55 is fixedly arranged on the lower wall of the inner cavity 12, the conveyor belt wheel shaft 54 is rotatably connected into the upper side of the supporting block 55, a fan cavity 56 which is through from left to right is arranged on the lower side of the supporting block 55, a filter screen 57 is connected between the upper and lower walls on the right side of the fan cavity 56, a connecting block 60 is fixedly arranged on the lower wall of the inner cavity 12, the connecting block 60 is positioned on the left side of the supporting block 55, a fan shaft 59 is rotatably connected with the connecting block 60, the right end of the fan shaft 59 extends into the fan cavity 56, a fan 58 is fixedly connected to the right end of the fan shaft 59, the fan 58 is positioned on the left side of the filter screen 57, synchronous pulleys 62 are respectively fixedly connected to the fan shaft 59 and the rotating gear shaft 67, a synchronous belt 61 is connected between the two synchronous pulleys, remove and be equipped with the ascending collection bits chamber 44 of opening in the bits board 42, collection bits chamber 44 lower wall has set firmly and has inhaled bits board 43, it has the attraction effect to iron fillings to inhale bits board 43, remove the side tilt state around the bits board 42, be convenient for iron fillings landing to in the collection bits chamber 44, the iron fillings that processing produced this moment fall remove bits board 42 upper end, pass through simultaneously inhale the magnetic force attraction of bits board 43, iron fillings landing this moment arrives in the collection bits chamber 44, simultaneously the rotation gear shaft 67 rotates, drives fan shaft 59 rotates, and then drives fan 58 rotates, and then will iron fillings in the collection bits chamber 44 pass through the sweeps export 13 blows to the external world.

Beneficially, the left bevel gear shaft 20 and the transmission gear shaft 69 are respectively fixedly connected with a linkage belt wheel 34, a linkage belt 38 is connected between the two linkage belt wheels 34, and the linkage belt 38 is located in the cavity 33, and at this time, the left bevel gear shaft 20 is driven to rotate, and the transmission gear shaft 69 is driven to rotate.

The following detailed description of the steps of using a positioning punching and burr grinding device based on a metal plate will be provided with reference to fig. 1 to 5:

initially, the rotary gear 71 is at the upper limit position, and the electromagnetic spring 65 and the extension spring 49 are in the natural state, so that the punching blade 41 is at the upper limit position.

At the moment, a metal plate is manually put into the feeding hole 48 and clamped between the two positioning blocks 52, the positioning blocks 52 drive the limiting rods 51 to move back and forth, so as to drive the sliding blocks 47 to move back and forth, so as to drive the two ends of the expansion spring 49 to extend reversely, and simultaneously drive the sliding shaft sleeve 30 to slide back and forth, so as to push the worm pipe sleeve 32 to slide back and forth, meanwhile, under the elastic force of the expansion spring 49, the device can process metal plates with different sizes, meanwhile, the limiting rods 51 drive the linkage rods 16 to move back and forth, so as to drive the grinding wheel shaft 23 to move back and forth with the worm wheel 31, further control the worm wheel 31 and the worm pipe sleeve 32 to be always in a meshed state, simultaneously drive the grinding wheel 14 to move back and forth, and further control the grinding wheel 14 to be abutted against the left end and the right end of the metal plate under, at this time, the motor 26 is started to drive the rotating shaft 28 to rotate, so as to drive the driving bevel gear 27 to rotate, and simultaneously drive the bevel gear shaft 20 to rotate, so as to drive the left bevel gear shaft 20 to rotate, so as to drive the transmission gear shaft 69 to rotate, so as to drive the transmission gear 70 to rotate, so as to drive the rotating gear 71 to rotate, and simultaneously drive the rotating gear shaft 67 to rotate, so as to drive the linkage gear 72 to rotate, and simultaneously drive the rear-side transmission belt wheel shaft 54 to rotate, so as to drive the upper end of the transmission belt 39 to move forward, so as to drive the metal plate at the upper end of the transmission belt 39 to move forward, and simultaneously drive the bevel gear shaft 20 to rotate, so as to drive the worm pipe sleeve 32 to rotate, so as to drive;

when the metal plate moves to the punching position, the program controls the current-conducting plate 63 to be powered on, so as to drive the electromagnetic spring 65 to compress downwards, further drive the linkage block 66 to move downwards, simultaneously drive the rotating gear shaft 67 to move downwards, further drive the rotating gear 71 to move downwards, simultaneously drive the upper end of the rotating gear 71 not to be meshed with the lower ends of the transmission gear 70 and the linkage gear 72, further drive the rear-side transmission belt wheel shaft 54 to stop rotating, simultaneously drive the transmission belt 39 to stop moving forwards, further drive the metal plate at the upper end of the transmission belt 39 to stop moving, at the same time, the rotating shaft 28 rotates, further drive the connecting block 25 to rotate, simultaneously drive the air pump device 19 to rotate, further drive the lifting pipe 18 to rotate, simultaneously drive the connecting rod 17 to rotate, further drive the punching cutter 41 to rotate, simultaneously the air pump device 19 controls the connecting rod 17 to move downwards along, meanwhile, the punching cutter 41 performs positioning punching on the metal plate on the lower side, after punching is finished, the air pump device 19 indirectly controls the punching cutter 41 to slide upwards along the cutter cavity 77, and then scrap iron remaining on the punching cutter 41 is clamped outside the cutter cavity 77, so that scrap iron on the punching cutter 41 is indirectly cleaned, and the accuracy of next punching is ensured;

iron fillings that the simultaneous processing produced fall to except that bits board 42 upper end, and the magnetic attraction through inhaling bits board 43 simultaneously, iron fillings landing this moment is to album bits chamber 44 in, rotates gear shaft 67 simultaneously and rotates, drives fan shaft 59 and rotates, and then drives fan 58 and rotate, and then blows the external world through sweeps export 13 with the iron fillings that collect in the bits chamber 44, and then clears up iron fillings.

The above-mentioned embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a punch and burr device of polishing based on sheet metal location, includes the base, its characterized in that: an inner cavity is arranged in the base, the front wall of the inner cavity is communicated with a feed inlet with a forward opening, the rear wall of the inner cavity is communicated with a discharge cavity with a backward opening, the right wall of the inner cavity is rotatably connected with two conveyor belt wheel shafts, the conveyor belt wheels are fixedly connected with the conveyor belt wheels, a conveyor belt is connected between the two conveyor belt wheels, a motor is arranged in the upper wall of the inner cavity, the lower end of the motor is in power connection with a rotating shaft, the lower end of the rotating shaft is fixedly connected with a connecting block, the lower end of the connecting block is fixedly connected with an air pump device, the lower end of the air pump device is fixedly provided with a lifting pipe, the lifting pipe is communicated with the air pump device, a connecting rod which slides up and down is arranged in the lifting pipe, the upper wall of the inner cavity is fixedly connected with a fixed, and the lower end of the connecting rod is fixedly connected with a punching cutter, the punching cutter slides up and down in the cutter cavity, the diameter in the cutter cavity is slightly larger than the outer diameter of the punching cutter, the scrap iron on the punching cutter can be clamped outside the cutter cavity by the cutter cavity, the left wall of the inner cavity is communicated with a spring cavity and a cavity, the cavity is positioned on the upper side of the spring cavity, the left wall of the lower side of the cavity is rotatably connected with a transmission gear shaft, the right end of the transmission gear shaft is fixedly connected with a transmission gear, the left end of the transmission gear shaft at the rear side is fixedly connected with a linkage gear, a current-conducting plate is fixedly connected between the upper wall and the lower wall at the right side of the spring cavity, a current-conducting plate cavity which is communicated from left to right is arranged in the current-conducting plate cavity, a linkage block which slides up and, the current-conducting plate is electrically connected with the electromagnetic spring, the right end of the rotating gear shaft is fixedly connected with a rotating gear, the upper end of the rotating gear is respectively meshed with the lower ends of the transmission gear and the linkage gear, the upper wall of the inner cavity is communicated with two limiting grooves, limiting blocks which slide left and right are arranged in the limiting grooves, a limiting spring is connected between one end of the limiting block, which is far away from the motor, and one side of the limiting groove, which is far away from the motor, the lower end of the limiting block is rotatably connected with a grinding wheel shaft, the left and right walls of the inner cavity are respectively fixedly connected with a positioning plate, a positioning spring cavity which is communicated up and down is arranged in the positioning plate, the lower end of the grinding wheel shaft penetrates through the positioning spring cavity, the lower end of the grinding wheel shaft is fixedly connected with a grinding wheel, the grinding wheel shaft can, and a positioning spring is connected between one side of the positioning spring cavity, which is far away from the connecting block, and the corresponding grinding wheel shaft, and the left and right grinding wheels respectively support against the left and right ends of the metal plate.

2. The metal plate positioning, punching and burr grinding device as recited in claim 1, wherein: the grinding wheel is characterized in that a bevel gear shaft is respectively rotatably connected to the left wall of the upper side of the cavity and the right wall of the inner cavity, a worm pipe sleeve is connected to the bevel gear shaft through splines, a worm wheel is fixedly connected to the grinding wheel shaft, the rear end of the worm wheel is meshed with the front end of the worm pipe sleeve, a driven bevel gear is fixedly connected to one end, close to the rotating shaft, of the bevel gear shaft, a driving bevel gear is fixedly connected to the rotating shaft, and the upper ends of the driven bevel gear are respectively meshed with the left end and the.

3. The metal plate positioning, punching and burr grinding device as recited in claim 2, wherein: sliding connection has the slip axle sleeve on the bevel gear axle, worm pipe box rotate connect in the slip axle sleeve is kept away from the one end of axis of rotation, slip axle sleeve front end rigid coupling has the extension bar, the extension bar front end rigid coupling has the sliding block, two be connected with expanding spring between the sliding block, expanding spring the sliding block is located in the feed inlet, feed inlet upper wall intercommunication has two guide ways, the sliding block upper end slides and locates in the guide way, the sliding block lower extreme has linked firmly the gag lever post, the gag lever post lower extreme has linked firmly the locating piece, two the locating piece card is right-left end in advance to the metal sheet material, the gangbar front end support in the gag lever post is kept away from expanding spring's one end.

4. The metal plate positioning, punching and burr grinding device as recited in claim 1, wherein: the inner cavity right wall is communicated with a scrap outlet with a right opening, the inner cavity lower wall is fixedly provided with a supporting block, the conveying belt wheel shaft is rotatably connected into the supporting block upper side, the supporting block lower side is provided with a fan cavity which is communicated with the left and the right, a filter screen is connected between the upper wall and the lower wall of the fan cavity right side, the inner cavity lower wall is fixedly provided with a connecting block, the connecting block is positioned at the supporting block left side, the connecting block is rotatably connected with a fan shaft, the right end of the fan shaft extends into the fan cavity, the right end of the fan shaft is fixedly connected with a fan, the fan is positioned at the filter screen left side, the fan shaft and the rotating gear shaft are respectively fixedly connected with synchronous belt wheels, a synchronous belt is connected between the two synchronous belt wheels, the inner cavity lower wall is fixedly provided with a scrap removing plate, a scrap collecting cavity with an upward opening is arranged in, the scrap suction plate has an attraction effect on scrap iron, the front side and the rear side of the scrap removal plate are in an inclined state, and the scrap iron is convenient to slide in the scrap collecting cavity.

5. The metal plate positioning, punching and burr grinding device as recited in claim 1, wherein: the bevel gear shaft and the transmission gear shaft are respectively and fixedly connected with linkage belt wheels, linkage belts are connected between the linkage belt wheels, and the linkage belts are located in the cavities.