CN112658349A

CN112658349A - Device for milling, positioning, clamping and cleaning scrap iron of metal plate

Info

Publication number: CN112658349A
Application number: CN202110055465.7A
Authority: CN
Inventors: 蔡丽在
Original assignee: Shenzhen Bailihua Industrial Co ltd
Current assignee: Shenzhen Bailihua Industrial Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-04-16

Abstract

The invention discloses a device for milling, positioning and clamping metal plates and cleaning scrap iron, which comprises a processing machine body, wherein a cavity is formed in the processing machine body, a power screw rod is rotatably matched on the left wall of the cavity, the power screw rod is in threaded connection with a connecting block in sliding connection with the wall body of the cavity, an auxiliary device comprises a bevel gear meshing groove formed in the left side of the connecting block, the connecting block can move due to the rotation of the power screw rod, when the connecting block moves rightwards, positioning blocks can approach each other under the matching of a fixed rack and a meshing gear, so that the front and the back of metal plates with different sizes are positioned, and then under the action of a rotating gear and a connecting rack, the clamping blocks can clamp the metal plates with different sizes.

Description

Device for milling, positioning, clamping and cleaning scrap iron of metal plate

Technical Field

The invention relates to the field of metal milling, in particular to a device for milling, positioning and clamping a metal plate and cleaning scrap iron.

Background

In the modern automatic metal milling process, a large amount of chips are generated in the metal plate milling process, in a general process, the chips can be scattered and diffused in the environment and are difficult to clean, and can cause damage to human bodies, meanwhile, due to the use of cutting oil, some metal chips can be adhered to the surface of metal, and the metal plate needs to be cleaned after the plate is machined, so that the invention provides a device which can prevent the metal chips from being scattered and can clean the metal chips at the same time.

Disclosure of Invention

Aiming at the technical defects, the invention provides a device for milling, positioning and clamping a metal plate and cleaning scrap iron, which can overcome the defects.

The device for milling, positioning and clamping metal plates and cleaning scrap iron comprises a processing machine body, wherein a cavity is formed in the processing machine body, a power screw rod is rotatably matched on the left wall of the cavity, the power screw rod is in threaded connection with a connecting block in sliding connection with the wall body of the cavity, a connecting groove which is communicated up and down is formed in the connecting block, an auxiliary device is arranged in the connecting groove and comprises a bevel gear meshing groove formed in the left side of the connecting block, a turnover shaft is rotatably matched with the wall body between the bevel gear meshing groove and the connecting groove, the turnover shaft is fixedly connected with a rotating block in the connecting groove, a matching block is fixedly connected in the rotating block, an open groove with an upward opening is formed in the matching block, abutting grooves are symmetrically communicated on the left wall and the right wall of the open groove, and a matching groove is formed in the direction of the abutting groove, which is far away, the wall body between the matching groove and the abutting groove is rotatably matched with a milling block, the abutting lead screw is in threaded connection with a moving block in sliding connection with the abutting groove, a moving chute with an opening facing to the central end face of the open groove is formed in the moving block, a clamping block is in sliding connection with the moving chute, a connecting spring is connected between the clamping block and the wall body of the moving chute, the front wall and the rear wall of the open groove are symmetrically communicated with moving grooves, a bevel gear transmission groove is formed in the side, away from the central end face of the open groove, of the moving groove, a positioning lead screw is rotatably matched with the wall body between the bevel gear transmission groove and the open groove, the positioning lead screw is in threaded connection with a moving block in sliding connection with the moving groove, a positioning groove with an opening facing to the central end face of the open groove is formed in the moving block, a positioning spring is connected between the positioning block and the wall body of the positioning groove, a butt half gear is fixedly connected in the bevel gear meshing groove, a connecting torsion spring is connected between the positioning block and the left wall of the bevel gear meshing groove, a transmission shaft is rotatably matched with the rear wall of the bevel gear meshing groove, the transmission shaft is fixedly connected in the bevel gear meshing groove and is meshed with the butt half gear, the connecting block moves rightwards, the positioning blocks approach to each other, a plate to be milled is positioned forwards and backwards firstly, then the clamping blocks approach to each other, different plates are clamped under the action of the connecting spring, when the rotating block moves leftwards, the overturning shaft overturns by one hundred and eighty degrees, the cavity is provided with a sliding groove communicated with the right wall, the upper end of the right side of the sliding groove is provided with a sliding groove, and a cleaning device is arranged between the sliding groove and the sliding groove, the cleaning device comprises a moving rack which is in sliding connection with the sliding groove, a butting spring is connected between the moving rack and the right wall of the sliding groove, a rotating lead screw is in rotating fit with the wall body between the sliding groove and the sliding groove, a sliding plate which is in sliding connection with the sliding groove is in threaded connection with the rotating lead screw, the sliding groove is communicated with the cavity, a stop block which is in sliding connection with the sliding groove is fixedly connected to the lower side of the sliding plate, the connecting block moves rightwards and is butted with the moving rack to move rightwards, so that the stop block descends and is butted with the connecting block, and scraps caused by metal milling cannot be diffused to the outside.

Preferably, the auxiliary device further comprises a bevel gear abutting groove opened at a lower side of the open groove, the back wall of the bevel gear abutting groove is rotationally matched with a rotating shaft, a wall body between the bevel gear abutting groove and the matching groove is rotationally matched with a fixed shaft, the fixed shaft and the rotating shaft are positioned in the bevel gear abutting groove and are connected through a bevel gear pair, the fixed shaft and the abutting screw rod are positioned in the matching groove and are in transmission connection through a belt, the rotating shaft extends backwards to the connecting groove and is fixedly connected with a fixed friction block, the wall body of the connecting block is rotationally connected with the connecting block, the friction shaft is positioned in the connecting groove and is fixedly connected with a connecting friction block which is in friction fit with the fixed friction block, the friction shaft extends to the inside of the cavity in the rear direction and is fixedly connected with a rotating gear, and the rear wall of the cavity is fixedly connected with a connecting rack meshed with the rotating gear.

Preferably, the auxiliary device further comprises a one-way shaft rotationally matched with the top wall of the bevel gear transmission groove, the one-way shaft and the positioning screw rod are positioned in the bevel gear transmission groove and are connected through a bevel gear pair, a reset torsion spring is connected between the one-way shaft and the top wall of the bevel gear transmission groove, a communicating groove is arranged on the upper side of the bevel gear transmission groove, the bottom wall of the communicating groove is matched with a gear shaft in a rotating way, the gear shaft is connected with the one-way shaft through a first one-way coupling, the gear shaft is positioned in the communicating groove and is fixedly connected with a meshing gear, the left side of the matching block is provided with a connecting groove communicated with the open groove, a communicating groove communicated with the connecting groove is formed in the left side of the rotating block, a fixing plate is fixedly connected to the left wall of the cavity, the fixing plate extends into the open slot through the communicating slot and the connecting slot and is fixedly connected with a fixing rack meshed with the meshing gear.

Preferably, the auxiliary device further comprises an installation shaft in running fit with the rear wall of the connecting block, the installation shaft is connected with the transmission shaft through a second one-way coupling, the installation shaft extends backwards to the inside of the cavity and is fixedly connected with a transmission gear, and the right wall of the cavity is fixedly connected with a fixed rack capable of being meshed with the transmission gear.

Preferably, the cleaning device further comprises a belt wheel groove arranged on the left side of the cavity, the power screw rod extends to the left side of the belt wheel groove, the tail end of the left side of the belt wheel groove is in power connection with a power motor embedded in the inner wall of the machining machine body, the right wall of the belt wheel groove is in running fit with a driven shaft located on the lower side of the power screw rod, the driven shaft is located in the belt wheel groove and is connected through belt transmission, the belt wheel groove is connected with a wall body between the cavities through transmission grooves, the left wall of the transmission grooves is in running fit with a butt shaft, the butt shaft is connected with the driven shaft through a one-way coupler, the butt shaft extends to the right side of the inner spline of the connecting groove and is connected with a spline sleeve, the spline sleeve is located in the connecting groove, the left wall of the connecting groove is in running fit with an extending shaft, and the left side of the extending shaft is located in the connecting The extension shaft is positioned in the connecting groove and fixedly connected with a driving belt wheel positioned on the front side of the engaged bevel gear, a connecting belt is connected between the left and right driving belt wheels, the connecting groove is slidably connected with a limiting block, a limiting groove is formed in the limiting block and is slidably connected with a limiting pin fixedly connected with the connecting belt, the upper side wall body of the connecting belt is rotatably connected with a linking shaft, the linking shaft is positioned in the connecting groove and fixedly connected with a cleaning soft block, a wall body between the driving groove and the cavity is rotatably matched with a matching shaft, the matching shaft and the butting shaft are positioned in the driving groove and are in belt transmission connection, the matching shaft is positioned in the connecting groove and is in spline connection with a spline sleeve block, and the spline sleeve block is positioned in the connecting groove and is fixedly connected with a cleaning soft block engaged with the driving bevel gear, the milling block is fixedly mounted on the top wall of the right side of the cavity, the recovery box is fixedly mounted on the bottom wall of the cavity, and the recovery box is provided with a recovery cavity with an upward opening.

The invention has the beneficial effects that: enable the connecting block through the rotation of power lead screw and remove, when the connecting block moved right, under the cooperation of fixed rack and meshing gear, can make the locating piece be close to each other, thereby fix a position around to unidimensional sheet metal, then under the effect of rotary gear and linking up the rack, can make the tight not unidimensional sheet metal of clamp, then the connecting block can the butt remove the rack, make dog butt connecting block, seal the processing environment, thereby prevent that the piece from splashing, the in-process that the connecting block removed left that finishes in processing, the rotating block can rotate one hundred eighty degrees, the clearance piece can remove on one side and remove and clear up sheet metal and processing environment simultaneously.

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 a device for milling, positioning and clamping metal plates and cleaning scrap iron;

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of a portion of the rotating block 59 of FIG. 2;

FIG. 4 is a schematic view of the structure in the direction B-B in FIG. 1;

fig. 5 is a schematic view of the structure in the direction C-C in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: 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 device for milling, positioning and clamping metal plates and cleaning scrap iron comprises a processing machine body 10, wherein a cavity 84 is formed in the processing machine body 10, a power screw rod 48 is rotatably matched with the left wall of the cavity 84, the power screw rod 48 is in threaded connection with a connecting block 31 in sliding connection with the wall body of the cavity 84, a connecting groove 33 which is communicated up and down is formed in the connecting block 31, an auxiliary device is arranged in the connecting groove 33 and comprises a bevel gear meshing groove 27 formed in the left side of the connecting block 31, a turning shaft 60 is rotatably matched with the wall body between the bevel gear meshing groove 27 and the connecting groove 33, the turning shaft 60 is positioned in the connecting groove 33 and is fixedly connected with a rotating block 59, a matching block 61 is fixedly connected in the rotating block 59, and an open groove 62 with an upward opening is formed in the matching block 61, the left wall and the right wall of the open slot 62 are symmetrically communicated with abutting slots 50, the direction of the abutting slot 50 far away from the central end face side of the open slot 62 is provided with a matching slot 58, the wall body between the matching slot 58 and the abutting slot 50 is matched with a milling block 16 in a rotating way, the abutting screw rod 49 is connected with a moving block 51 in a threaded way and is connected with the abutting slot 50 in a sliding way, a moving slot 53 with an opening towards the central end face of the open slot 62 is arranged in the moving block 51, a clamping block 54 is connected in the moving slot 53 in a sliding way, a connecting spring 52 is connected between the clamping block 54 and the wall body of the moving slot 53, the front wall and the rear wall of the open slot 62 are symmetrically communicated with a moving slot 64, a bevel gear transmission slot 75 is arranged on the side of the moving slot 64 far away from the central end face of the open slot 62, and a positioning screw rod 63, the positioning screw 63 is in threaded connection with a shifting block 65 which is in sliding connection with the shifting groove 64, a positioning groove 68 with an opening facing to the end surface close to the center of the open groove 62 is formed in the shifting block 65, a positioning block 67 is in sliding connection with the positioning groove 68, a positioning spring 76 is connected between the positioning block 67 and the wall body of the positioning groove 68, the turning shaft 60 is positioned in the bevel gear meshing groove 27 and is fixedly connected with a butting half gear 26, a connecting torsion spring 28 is connected between the turning shaft 60 and the left wall of the bevel gear meshing groove 27, a transmission shaft 25 is in rotating fit with the rear wall of the bevel gear meshing groove 27, the transmission shaft 25 is positioned in the bevel gear meshing groove 27 and is fixedly connected with a bevel gear 81 which is meshed with the butting half gear 26 and moves to the right, the connecting block 31 is connected, the positioning blocks 67 are close to, then the clamping blocks 54 approach each other, different plates are clamped under the action of the engaging spring 52, when the rotating block 59 moves leftwards, the turning shaft 60 turns over one hundred eighty degrees, the cavity 84 has a right wall communicated with a sliding groove 18, the upper end of the right side of the sliding groove 18 is provided with a sliding groove 11, a cleaning device is arranged between the sliding groove 11 and the sliding groove 18, the cleaning device comprises a moving rack 20 slidably connected with the sliding groove 18, an abutting spring 19 is connected between the moving rack 20 and the right wall of the sliding groove 18, a rotating screw 13 is rotatably matched with the wall body between the sliding groove 18 and the sliding groove 11, the rotating screw 13 is in threaded connection with a sliding plate 12 slidably connected with the sliding groove 11, a sliding groove 15 is communicated between the sliding groove 11 and the cavity 84, and a stop 87 slidably connected with the sliding groove 15 is fixedly connected to the lower side of the sliding plate 12, the connecting block 31 moves rightwards to abut against the moving rack 20 and moves rightwards, so that the stop 87 descends to abut against the connecting block 31, and therefore, chips caused by metal milling cannot be diffused to the outside.

Advantageously, the auxiliary device further comprises a bevel gear abutting groove 56 formed on the lower side of the open groove 62, a rotating shaft 55 is rotatably fitted on the rear wall of the bevel gear abutting groove 56, a fixed shaft 57 is rotatably fitted on the wall between the bevel gear abutting groove 56 and the fitting groove 58, the fixed shaft 57 and the rotating shaft 55 are positioned in the bevel gear abutting groove 56 and are connected through a bevel gear pair, the fixed shaft 57 and the abutting screw rod 49 are positioned in the fitting groove 58 and are connected through a belt transmission, the rotating shaft 55 extends backwards to the connecting groove 33 and is fixedly connected with a fixed friction block 77, the wall of the connecting block 31 is rotatably connected with 8, a connecting friction block 88 in friction fit with the fixed friction block 77 is fixedly connected in the connecting groove 33 by the friction shaft 80, and a rotating gear 78 is fixedly connected in the cavity 84 by the friction shaft 80 extending backwards, an engaging rack 79 engaged with the rotating gear 78 is fixedly connected to the rear wall of the cavity 84.

Beneficially, the auxiliary device further includes a one-way shaft 73 rotatably engaged with the top wall of the bevel gear transmission groove 75, the one-way shaft 73 and the positioning screw 63 are located in the bevel gear transmission groove 75 and connected through a bevel gear pair, a return torsion spring 74 is connected between the one-way shaft 73 and the top wall of the bevel gear transmission groove 75, a communication groove 69 is formed in the upper side of the bevel gear transmission groove 75, a gear shaft 72 is rotatably engaged with the bottom wall of the communication groove 69, the gear shaft 72 is connected with the one-way shaft 73 through a first one-way coupling, the gear shaft 72 is located in the communication groove 69 and fixedly connected with a meshing gear 70, an engagement groove 89 communicated with the open groove 62 is formed in the left side of the engagement block 61, a communication groove 69 communicated with the engagement groove 89 is formed in the left side of the rotation block 59, a fixing plate 90 is fixedly connected to the left wall of the cavity 84, and the fixing plate 90 extends into the open groove 62 through the communication A fixed rack gear 71 engaged with the engaging gear 70 is connected, and when the connecting block 31 moves rightwards, the gear shaft 72 rotates under the action of the fixed rack gear 71, so that the gear shaft 72 rotates greatly, the one-way shaft 73 rotates, the transfer blocks 65 are driven to approach each other, the transfer blocks 65 approach each other, and the positioning block 67 positions different boards forwards and backwards through cooperation with the positioning groove 68.

Advantageously, the auxiliary device further comprises a mounting shaft 82 rotatably engaged with the rear wall of the connecting block 31, the mounting shaft 82 is connected with the transmission shaft 25 through a second one-way coupling, the mounting shaft 82 extends backwards to a transmission gear 83 fixedly connected in the cavity 84, and a fixed rack 86 capable of meshing with the transmission gear 83 is fixedly connected to the right wall of the cavity 84.

Beneficially, the cleaning device further includes a pulley groove 24 provided on the left side of the cavity 84, the power screw 48 extends to the left side of the pulley groove 24, the power motor 23 embedded in the inner wall of the processing machine body 10 is connected to the end of the left side of the pulley groove 24, the driven shaft 46 located on the lower side of the power screw 48 is rotatably fitted to the right wall of the pulley groove 24, the driven shaft 46 and the power screw 48 are located in the pulley groove 24 and connected through belt transmission, a transmission groove 44 is provided on the wall body between the pulley groove 24 and the cavity 84, a butt shaft 45 is rotatably fitted to the left wall of the transmission groove 44, the butt shaft 45 and the driven shaft 46 are connected through a one-way coupler, the butt shaft 45 extends to the right side of the connection groove 33 and is connected with a spline sleeve 40 through a spline, and the spline sleeve 40 is located in the connection groove 33 and fixedly connected with a fixed bevel gear, the rear wall of the connecting groove 33 is bilaterally and symmetrically matched with an extending shaft in a rotating way, the extending shaft at the left side is positioned in the connecting groove 33 and is fixedly connected with a meshing bevel gear 42 meshed with a fixed bevel gear 43, the extending shaft is positioned in the connecting groove 33 and is fixedly connected with a driving belt wheel 41 positioned at the front side of the meshing bevel gear 42, a connecting belt 39 is connected between the left driving belt wheel 41 and the right driving belt wheel 41, the connecting groove 33 is connected with a limiting block 36 in a sliding way, a limiting groove 37 is arranged in the limiting block 36, the limiting groove 37 is connected with a limiting pin 38 fixedly connected with the connecting belt 39 in a sliding way, the side wall body at the upper side of the connecting belt 39 is connected with an engaging shaft 35 in a rotating way, the engaging shaft 35 is positioned in the connecting groove 33 and is fixedly connected with a cleaning soft block 29, and a matching shaft, the matching shaft 47 and the abutting shaft 45 are positioned in the transmission groove 44 and are in transmission connection through a belt, the matching shaft 47 is positioned in the connecting groove 33 and is connected with a spline sleeve block 91 through a spline, the spline sleeve block 91 is positioned in the connecting groove 33 and is fixedly connected with a cleaning soft block 29 engaged with the transmission bevel gear 30, the milling block 16 is fixedly arranged on the top wall of the right side of the cavity 84, the recovery box 21 is fixedly arranged on the bottom wall of the cavity 84, the recovery box 21 is provided with a recovery cavity 22 with an upward opening, when the metal plate in the connecting block 31 is processed by the milling block 16, the driven shaft 46 drives the abutting shaft 45 to rotate during the leftward movement of the connecting block 31, so that the cleaning soft block 29 moves while rotating, thereby cleaning the mating block 61 and the iron pieces and the milling oil of the metal working surface, and the recycling cavity 22 collects the iron pieces and the milling oil.

The use steps herein are described in detail below with reference to fig. 1-5:

when the device is in an initial state, the connecting block 31 is positioned at the left side of the cavity 84, the moving blocks 51 are far away from each other, the meshing gear 70 is meshed with the fixed rack 71, the fixed friction block 77 is in abutting friction fit with the connecting friction block 88, the moving blocks 65 are far away from each other, the rotating gear 78 is not meshed with the engaging rack 79, and the transmission gear 83 is not meshed with the fixed rack 86.

When the metal plate needs to be milled, the power motor 23 is started, so that the power screw rod 48 rotates, the connecting block 31 is driven to move rightwards, the meshing gear 70 is driven by the fixed rack 71, the gear shaft 72 rotates to drive the one-way shaft 73 to rotate, the moving blocks 65 are driven to approach each other, under the action of the positioning spring 76, the positioning block 67 can position the metal plate with different sizes forwards and backwards, then the meshing gear 70 is disengaged from the fixed rack 71, under the action of the reset torsion spring 74, the one-way shaft 73 is reset, so that the positioning blocks 67 are separated from each other and reset, then the rotating gear 78 is meshed with the engaging rack 79, the engaging rack 79 drives the rotating gear 78 to rotate, so that the friction shaft 80 rotates, the rotating shaft 55 rotates under the matching of the connecting friction block 88 and the fixed friction block 77, thereby, the left and right fixed shafts 57 are driven to rotate by the bevel gear pair, the abutting lead screw 49 is driven to rotate by the belt, so that the moving blocks 51 are close to each other, under the action of the connecting spring 52, the clamping blocks 54 clamp metals with different sizes left and right, then the transmission gear 83 is meshed with the fixed rack 86, in the process that the connecting block 31 moves rightwards, the transmission gear 83 cannot drive the transmission shaft 25 to rotate, the connecting block 31 continues to move rightwards along with the connecting block 31, the connecting block 31 is abutted against the moving rack 20, so that the rotating gear 17 drives the rotating lead screw 13 to rotate, the sliding plate 12 descends, the wall body of the connecting block 31 is abutted against, so that the open slot 62 is sealed, at the moment, a metal plate is just below the milling block 16, the metal is milled by the milling block 16, and metal flying chips and milling oil, after the milling process is finished, the power motor 23 is reversed, so that the connecting block 31 moves leftwards, in the process that the connecting block 31 moves leftwards, the driven shaft 46 drives the transmission groove 44 to rotate, so that the spline sleeve 40 rotates, meanwhile, the spline sleeve block 91 rotates, under the action of the fixed rack 86, the transmission gear 83 drives the mounting shaft 82 to rotate, the mounting shaft 82 rotates to drive the transmission shaft 25 to rotate, so that the engaging bevel gear 81 drives the turnover shaft 60 to rotate, under the action of the connecting torsion spring 28, the abutting half gear 26 is always engaged with the last tooth of the engaging bevel gear 81, so that the rotating block 59 rotates one hundred eighty degrees, so that the opening of the open groove 62 is downward, at the moment, the abutting shaft 45 drives the rotating to drive the spline sleeve 40 to rotate, so that the fixed bevel gear 43 drives the engaging bevel gear 42 to rotate, so that the, therefore, the limiting block 36 moves left and right, meanwhile, the spline sleeve block 91 drives the connecting shaft 35 to rotate, the connecting bevel gear 34 drives the transmission bevel gear 30 to rotate, the cleaning soft block 29 rotates left and right, metal and cutting oil on the surface of a metal plate processing surface and the surface of the rotating block 59 are cleaned, cleaned debris falls into the recovery cavity 22, then the connecting block 31 moves left, the matching shaft 47 is disengaged from the transmission gear 83, the rotating block 59 rotates one hundred eighty degrees and resets under the action of the connecting torsion spring 28, the fixed friction block 77 is abutted against the rotating gear 78 again, the moving blocks 51 are far away from each other, the number of the moving blocks is loosened, when the connecting block 31 moves right, the gear shaft 72 cannot drive the one-way shaft 73 to rotate, and the moving block 65 cannot move.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a metal sheet mills the location and presss from both sides tightly and can carry out clear device to iron fillings, includes the processing organism, its characterized in that: a cavity is formed in the processing machine body, a power screw rod is rotatably matched with the left wall of the cavity, the power screw rod is in threaded connection with a connecting block which is in sliding connection with the wall body of the cavity, a connecting groove which is communicated up and down is formed in the connecting block, an auxiliary device is arranged in the connecting groove and comprises a bevel gear meshing groove formed in the left side of the connecting block, a turnover shaft is rotatably matched with the wall body between the bevel gear meshing groove and the connecting groove, the turnover shaft is positioned in the connecting groove and fixedly connected with a rotating block, a matching block is fixedly connected in the rotating block, an open groove with an upward opening is formed in the matching block, abutting grooves are symmetrically communicated with the left wall and the right wall of the open groove, a matching groove is formed in the direction of the abutting groove, which is far away from the central end face side of the open groove, and, the butt lead screw is in threaded connection with a moving block which is in sliding connection with the butt groove, a moving chute with an opening facing the central end face of the open groove is formed in the moving block, a clamping block is in sliding connection with the moving chute, a linking spring is connected between the clamping block and the wall body of the moving chute, moving grooves are symmetrically communicated with the front wall and the rear wall of the open groove, a bevel gear transmission groove is formed in the side, away from the central end face of the open groove, of the moving grooves, a positioning lead screw is in rotating fit with the wall body between the bevel gear transmission groove and the open groove, a moving block in sliding connection with the moving grooves is in threaded connection with the positioning lead screw, a positioning groove with an opening facing the central end face of the open groove is formed in the moving block, a positioning block is in sliding connection with the positioning groove, the rear wall of the bevel gear meshing groove is in rotating fit with a transmission shaft, the transmission shaft is positioned in the bevel gear meshing groove and is fixedly connected with a connecting bevel gear meshed with the butting half gear, the connecting block moves rightwards, the positioning blocks approach each other, a plate to be milled is positioned forwards and backwards firstly, then the clamping blocks approach each other, different plates are clamped under the action of the connecting spring, when the rotating block moves leftwards, the overturning shaft overturns one hundred eighty degrees, the cavity is provided with a sliding groove communicated with the right wall, the upper end of the right side of the sliding groove is provided with a sliding groove, a cleaning device is arranged between the sliding groove and the sliding groove, and the cleaning device comprises a moving rack in sliding connection with the sliding groove, the connecting block moves rightwards and abuts against the movable rack to move rightwards, so that the stop block descends and abuts against the connecting block, and scraps caused by metal milling cannot be diffused to the outside.

2. The device for milling, positioning and clamping the metal plate and cleaning the iron scraps as claimed in claim 1, wherein: the auxiliary device also comprises a bevel gear abutting groove arranged at the lower side of the open groove, the back wall of the bevel gear abutting groove is rotationally matched with a rotating shaft, a fixed shaft is rotationally matched with the wall body between the bevel gear abutting groove and the matching groove, the fixed shaft and the rotating shaft are positioned in the bevel gear abutting groove and are connected through a bevel gear pair, the fixed shaft and the abutting screw rod are positioned in the matching groove and are in transmission connection through a belt, the rotating shaft extends backwards to the connecting groove and is fixedly connected with a fixed friction block, the wall body of the connecting block is rotationally connected with the connecting block, the friction shaft is positioned in the connecting groove and is fixedly connected with a connecting friction block which is in friction fit with the fixed friction block, the friction shaft extends to the inside of the cavity in the rear direction and is fixedly connected with a rotating gear, and the rear wall of the cavity is fixedly connected with a connecting rack meshed with the rotating gear.

3. The device for milling, positioning and clamping the metal plate and cleaning the iron scraps as claimed in claim 2, wherein: the auxiliary device also comprises a one-way shaft which is in running fit with the top wall of the bevel gear transmission groove, the one-way shaft and the positioning screw rod are positioned in the bevel gear transmission groove and are connected through a bevel gear pair, a reset torsion spring is connected between the one-way shaft and the top wall of the bevel gear transmission groove, a communicating groove is arranged on the upper side of the bevel gear transmission groove, the bottom wall of the communicating groove is matched with a gear shaft in a rotating way, the gear shaft is connected with the one-way shaft through a first one-way coupling, the gear shaft is positioned in the communicating groove and is fixedly connected with a meshing gear, the left side of the matching block is provided with a connecting groove communicated with the open groove, a communicating groove communicated with the connecting groove is formed in the left side of the rotating block, a fixing plate is fixedly connected to the left wall of the cavity, the fixing plate extends into the open slot through the communicating slot and the connecting slot and is fixedly connected with a fixing rack meshed with the meshing gear.

4. The device for milling, positioning and clamping the metal plate and cleaning the iron scraps as claimed in claim 3, wherein: the auxiliary device further comprises an installation shaft in running fit with the rear wall of the connecting block, the installation shaft is connected with the transmission shaft through a second one-way coupling, the installation shaft extends to the rear part of the axial direction and is fixedly connected with a transmission gear in the cavity, and the right wall of the cavity is fixedly connected with a fixed rack which can be meshed with the transmission gear.

5. The device for milling, positioning and clamping the metal plate and cleaning the iron scraps as claimed in claim 4, wherein: the cleaning device also comprises a belt wheel groove arranged at the left side of the cavity, the power screw rod extends to the left side of the belt wheel groove from the left side, the tail end of the power screw rod is in power connection with a power motor embedded in the inner wall of the processing machine body, the right wall of the belt wheel groove is in running fit with a driven shaft positioned at the lower side of the power screw rod, the driven shaft and the power screw rod are positioned in the belt wheel groove and are in belt transmission connection, a transmission groove is formed in the wall body between the belt wheel groove and the cavity, the left wall of the transmission groove is in running fit with a butt shaft, the butt shaft and the driven shaft are connected through a one-way coupler, the butt shaft extends to the right side to be in spline connection with a spline sleeve in the connection groove, the spline sleeve is positioned in the connection groove and is fixedly connected with a fixed bevel gear, an extension shaft is in running fit with the left side of the back wall of, the extending shaft is positioned in the connecting groove and fixedly connected with a driving belt wheel positioned at the front side of the meshing bevel gear, a connecting belt is connected between the left and right driving belt wheels, the connecting groove is slidably connected with a limiting block, a limiting groove is formed in the limiting block and is slidably connected with a limiting pin fixedly connected with the connecting belt, the upper side wall body of the connecting belt is rotatably connected with an engaging shaft, the engaging shaft is positioned in the connecting groove and fixedly connected with a cleaning soft block, a wall body between the driving groove and the cavity is rotatably matched with a matching shaft, the matching shaft and the abutting shaft are positioned in the driving groove and are in belt transmission connection, the matching shaft is positioned in the connecting groove and is in spline connection with a spline sleeve block, and the spline sleeve block is positioned in the connecting groove and is fixedly connected with a cleaning soft block meshed with the driving bevel gear, the milling block is fixedly mounted on the top wall of the right side of the cavity, the recovery box is fixedly mounted on the bottom wall of the cavity, and the recovery box is provided with a recovery cavity with an upward opening.