CN210060008U

CN210060008U - Cutting device for sheet metal working

Info

Publication number: CN210060008U
Application number: CN201920940867.3U
Authority: CN
Inventors: 王霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-02-14
Anticipated expiration: 2029-06-20

Abstract

The utility model relates to the technical field of mechanical processing auxiliary devices, in particular to a cutting device for sheet metal processing, which saves labor, improves working efficiency and safety and practicability; comprises a workbench, wherein a fixing device is arranged on the workbench; still include left extension board, right extension board, servo motor, the roof, the connecting plate, two sets of screwed pipe, two sets of threaded rod and mounting panel, the left side and the right side on workstation top all are provided with the dovetail of fore-and-aft direction, and it is provided with the forked tail slide all to slide in two sets of dovetails, the rear end of two sets of dovetails all is provided with the opening, the top rear side of workstation is provided with the rectangular channel, still include two sets of first ball bearing, two sets of second ball bearing, two sets of driven gear, the driving gear, the hydraulic stem, cutting motor and cutting wheel, be provided with the cutting opening on the mounting panel, the bottom of cutting wheel passes the below of cutting opening to mounting panel from the top of mounting panel, be provided with the bar hole.

Description

Cutting device for sheet metal working

Technical Field

The utility model relates to a technical field of machining auxiliary device especially relates to a cutting device for panel beating.

Background

As is well known, a cutting device for sheet metal working is an auxiliary device for cutting sheet metal in the process of sheet metal working, and is widely used in the field of mechanical working; the existing cutting device for sheet metal processing comprises a workbench and a manual cutting machine, wherein a fixing device is arranged at the top end of the workbench; when the existing cutting device for sheet metal machining is used, a sheet metal part is arranged at the top end of a workbench, then the sheet metal part is fixed through a fixing device, and the sheet metal part is cut through a manual cutting machine; present cutting device for panel beating discovers in using, and it consumes the manpower, and work efficiency is lower, has the potential safety hazard, leads to the practicality lower.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a save artifically, improve work efficiency, improve the cutting device for panel beating of security and practicality.

The utility model relates to a cutting device for sheet metal processing, which comprises a workbench, wherein a fixing device is arranged on the workbench; the workbench is characterized by further comprising a left support plate, a right support plate, a servo motor, a top plate, a connecting plate, two groups of threaded pipes, two groups of threaded rods and a mounting plate, wherein dovetail grooves in the front and back directions are formed in the left side and the right side of the top end of the workbench, dovetail slide plates are arranged in the two groups of dovetail grooves in a sliding mode, openings are formed in the rear ends of the two groups of dovetail slide plates, the rear ends of the two groups of dovetail slide plates extend out of the openings and are connected with the left side and the right side of the front end of the connecting plate respectively, a rectangular groove is formed in the rear side of the top end of the workbench, first mounting grooves are formed in the left end and the right end of the front side wall of the rectangular groove, first ball bearings are fixedly mounted in the two groups of first mounting grooves, first mounting through holes communicated with the outside are formed in the rear side wall of the rectangular groove, second ball bearings are fixedly, the front ends of the two groups of threaded pipes respectively penetrate through two groups of second ball bearings from the rear end of the workbench and extend into the rectangular groove and are respectively inserted into the two groups of first ball bearings, driven gears are arranged on the outer sides of the two groups of threaded pipes, the servo motor is fixedly arranged in the rectangular groove, a driving gear is arranged at the rear output end of the servo motor and is meshed with the two groups of driven gears, the rear ends of the two groups of threaded rods are respectively connected with the left half area and the right half area of the front end of the connecting plate, the front ends of the two groups of threaded rods are respectively inserted into and screwed into the rear ends of the two groups of threaded pipes, the bottom ends of the left support plate and the right support plate are respectively fixedly connected with the top ends of the two groups of dovetail sliding plates, the top ends of the left support plate and the right support plate are respectively connected with the left side and the right side of the bottom end of the top plate, the bottom of hydraulic stem passes the below of roof to roof and is connected with the top of mounting panel from the top of roof, be provided with the cutting motor on the mounting panel to be provided with the cutting wheel at the left side output of cutting motor, be provided with the cutting opening on the mounting panel, the bottom of cutting wheel passes the below of cutting opening to mounting panel from the top of mounting panel, is provided with the bar hole of fore-and-aft direction on the workstation, the bar hole site is under the cutting wheel.

The utility model discloses a cutting device for sheet metal working, fixing device is located the left side of bar hole, and fixing device includes bottom plate, locating plate, riser, diaphragm, clamp plate, first adjusting screw and second adjusting screw, bottom plate fixed mounting is in the top of workstation, and is provided with the fixed slot on the top of bottom plate, and the front end of bottom plate is provided with the first regulation screw that communicates with the fixed slot, the rear end of first adjusting screw passes first regulation screw from the front end spiral shell dress of bottom plate and stretches into in the fixed slot and with the front end middle part rotatable coupling of locating plate, the bottom of riser and the top rear side fixed connection of bottom plate, the top of riser and the bottom rear side fixed connection of diaphragm, the middle part of diaphragm is provided with the second regulation screw that link up from top to bottom, the bottom of second adjusting screw passes second regulation screw from the top spiral shell dress of diaphragm to the below of diaphragm and with the top middle part rotatable coupling of clamp plate, the pressing plate is located above the fixing groove.

The utility model discloses a cutting device for panel beating, both ends are the opening about the fixed slot.

The utility model discloses a cutting device for sheet metal working, still include left branch fagging, right branch fagging, two sets of left gag lever posts and two sets of right gag lever posts, the left end of left branch fagging is fixed connection with the right-hand member of left branch fagging, the right-hand member of right branch fagging is fixed connection with the left end of right branch fagging, left branch fagging and right branch fagging are all horizontally arranged, and left branch fagging and right branch fagging are relative left and right, the left front end and the left rear end of mounting panel all are provided with left spacing hole, the top of two sets of left gag lever posts is connected with the left front side and the left rear side of roof bottom respectively through two sets of left spacing holes respectively and with the front side and the rear side of left branch fagging top from the top of mounting panel, the right front end and the right rear end of mounting panel all are provided with the right spacing hole that link up and down, the top of two sets of right gag lever posts respectively passes two sets, the bottom ends of the two groups of right limiting rods are respectively connected with the front side and the rear side of the top end of the right supporting plate.

The utility model discloses a cutting device for sheet metal working, the top of locating plate is provided with the scale mark, the initial position of scale mark is located the top right side of locating plate, and the right-hand member of locating plate is located the bar hole directly over.

The utility model discloses a cutting device for sheet metal working still includes the collecting vat, the bottom of workstation is provided with a plurality of draw-in grooves, the top of collecting vat is provided with a plurality of buckles, a plurality of buckles clamp with a plurality of draw-in grooves respectively and are connected, the collecting vat is located the bar hole under.

The utility model discloses a cutting device for sheet metal working, the bottom front side of mounting panel is provided with cowl, cowl is located the dead ahead of cutting wheel to cowl bottom place horizontal plane is located the top of cutting wheel bottom place horizontal plane.

The utility model discloses a cutting device for sheet metal working still includes the slide bar, the perforation that link up around the connecting plate middle part is provided with, the rear end of front end and the workstation of slide bar middle part fixed connection, the rear end of slide bar passes the rear of perforating to the connecting plate from the front end of connecting plate to be provided with the limiting plate in the rear end of slide bar.

Compared with the prior art, the beneficial effects of the utility model are that: arrange the top of workstation in with the sheet metal component, it is fixed through fixing device, then it moves down through pneumatic cylinder drive hydraulic stem, the hydraulic stem drives the mounting panel and moves down, the cutting motor on the mounting panel drives the cutting wheel and rotates, can cut the sheet metal component that is fixed, it rotates to drive the driving gear through servo motor, the driving gear drives two sets of driven gear and two sets of screwed pipe synchronous rotations, cooperation through screwed pipe and threaded rod, drive the connecting plate back-and-forth movement, the connecting plate drives two sets of forked tail slide back-and-forth movements, thereby make left extension board, right extension board and roof back-and-forth movement, through the back-and-forth movement of cutting wheel, complete cutting to the sheet metal component, save the manual work, and the work efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the enlarged top view of the working table of the present invention;

fig. 3 is a schematic perspective view of the fixing device of the present invention;

fig. 4 is a left side view structural schematic diagram of the mounting plate of the present invention;

in the drawings, the reference numbers: 1. a work table; 2. a left support plate; 3. a right support plate; 4. a servo motor; 5. a top plate; 6. a connecting plate; 7. a threaded pipe; 8. a threaded rod; 9. mounting a plate; 10. a dovetail slide plate; 11. a rectangular groove; 12. a first ball bearing; 13. a second ball bearing; 14. a driven gear; 15. a driving gear; 16. a hydraulic cylinder; 17. a hydraulic lever; 18. cutting the motor; 19. a cutting wheel; 20. a strip-shaped hole; 21. a base plate; 22. positioning a plate; 23. a vertical plate; 24. a transverse plate; 25. pressing a plate; 26. a first adjusting screw; 27. a second adjusting screw; 28. fixing grooves; 29. a left support plate; 30. a right support plate; 31. a left stop lever; 32. a right stop lever; 33. scale lines; 34. collecting tank; 35. an arc-shaped baffle plate; 36. a slide bar; 37. and a limiting plate.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the cutting device for sheet metal working of the present invention comprises a worktable 1, wherein the worktable 1 is provided with a fixing device; the workbench is characterized by further comprising a left support plate 2, a right support plate 3, a servo motor 4, a top plate 5, a connecting plate 6, two groups of threaded pipes 7, two groups of threaded rods 8 and a mounting plate 9, wherein dovetail grooves in the front and back directions are formed in the left side and the right side of the top end of the workbench 1, dovetail slide plates 10 are arranged in the two groups of dovetail grooves in a sliding mode, openings are formed in the rear ends of the two groups of dovetail grooves, the rear ends of the two groups of dovetail slide plates 10 extend out of the openings and are connected with the left side and the right side of the front end of the connecting plate 6 respectively, a rectangular groove 11 is formed in the rear side of the top end of the workbench 1, first mounting grooves are formed in the left end and the right end of the front side wall of the rectangular groove 11, first ball bearings 12 are fixedly mounted in the two groups of first mounting grooves, first mounting through holes communicated with the outside are formed in the rear side wall of the rectangular groove 11, second ball bearings 13 are, the front ends of two groups of threaded pipes 7 respectively penetrate through two groups of second ball bearings 13 from the rear end of the workbench 1 to extend into the rectangular groove 11 and respectively inserted into two groups of first ball bearings 12, driven gears 14 are respectively arranged on the outer sides of the two groups of threaded pipes 7, the servo motor 4 is fixedly arranged in the rectangular groove 11, a driving gear 15 is arranged at the rear output end of the servo motor 4, the driving gear 15 is meshed with the two groups of driven gears 14, the rear ends of two groups of threaded rods 8 are respectively connected with the left half area and the right half area of the front end of the connecting plate 6, the front ends of two groups of threaded rods 8 are respectively inserted into and screwed into the rear ends of the two groups of threaded pipes 7, the bottom ends of the left support plate 2 and the right support plate 3 are respectively fixedly connected with the top ends of the two groups of dovetail sliding plates 10, the top ends of the left support plate 2 and the right support plate 3 are respectively connected with the left side and, a hydraulic rod 17 is arranged at the output end of the bottom of the hydraulic cylinder 16, the bottom end of the hydraulic rod 17 penetrates through the top end of the top plate 5 to the position below the top plate 5 and is connected with the top end of the mounting plate 9, a cutting motor 18 is arranged on the mounting plate 9, a cutting wheel 19 is arranged at the output end of the left side of the cutting motor 18, a cutting opening is formed in the mounting plate 9, the bottom end of the cutting wheel 19 penetrates through the cutting opening from the top end of the mounting plate 9 to the position below the mounting plate 9, a strip-shaped hole 20 in the front-back direction is formed in the workbench 1, and the strip-shaped hole 20 is located; arrange the top of workstation in with the sheet metal component, it is fixed through fixing device, then it moves down through pneumatic cylinder drive hydraulic stem, the hydraulic stem drives the mounting panel and moves down, the cutting motor on the mounting panel drives the cutting wheel and rotates, can cut the sheet metal component that is fixed, it rotates to drive the driving gear through servo motor, the driving gear drives two sets of driven gear and two sets of screwed pipe synchronous rotations, cooperation through screwed pipe and threaded rod, drive the connecting plate back-and-forth movement, the connecting plate drives two sets of forked tail slide back-and-forth movements, thereby make left extension board, right extension board and roof back-and-forth movement, through the back-and-forth movement of cutting wheel, complete cutting to the sheet metal component, save the manual work, and the work efficiency is improved.

The utility model discloses a cutting device for sheet metal working, fixing device is located the left side of bar hole 20, fixing device includes bottom plate 21, locating plate 22, riser 23, diaphragm 24, clamp plate 25, first adjusting screw 26 and second adjusting screw 27, bottom plate 21 fixed mounting is on the top of workstation 1, and be provided with fixed slot 28 on the top of bottom plate 21, the front end of bottom plate 21 is provided with the communicating first regulation screw with fixed slot 28, the rear end of first adjusting screw 26 passes first regulation screw from the front end spiral shell dress of bottom plate 21 and stretches into in fixed slot 28 and with locating plate 22's front end middle part rotatable coupling, the bottom of riser 23 and the top rear side fixed connection of bottom plate 21, the top of riser 23 and the bottom rear side fixed connection of diaphragm 24, the middle part of diaphragm 24 is provided with the second regulation screw that link up from top spiral shell dress of diaphragm 24, the bottom of second adjusting screw 27 passes the below of second regulation screw to diaphragm 24 and can with the top middle part of clamp plate 25 can be with the top middle part of clamp plate 25 The pressing plate 25 is positioned above the fixing groove 28 in a rotating connection; arrange the sheet metal component in the fixed slot, thereby then fix a position the sheet metal component through rotating first adjusting screw and making the locating plate remove backward, then through rotating second adjusting screw, make the clamp plate remove downwards, paste tightly with the top of sheet metal component until the bottom of clamp plate, accomplish fixed the location of sheet metal component, easy and simple to handle, it is fixed effectual, guarantee cutting effect.

The utility model relates to a cutting device for sheet metal processing, the left and right ends of the fixed groove 28 are both openings; conveniently get to the sheet metal component and put.

The utility model discloses a cutting device for sheet metal working, still include left support plate 29, right branch fagging 30, two sets of left gag lever post 31 and two sets of right gag lever post 32, the left end of left support plate 29 and the right-hand member fixed connection of left extension board 2, the right-hand member of right branch fagging 30 and the left end fixed connection of right extension board 3, left support plate 29 and the equal level setting of right branch fagging 30, and it is relative about left support plate 29 and right branch fagging 30, left front end and the left rear end of mounting panel 9 all are provided with left spacing hole, the top of two sets of left gag lever posts 31 is connected with the left front side and the left rear side of roof 5 bottom respectively, the bottom of two sets of left gag lever posts 31 passes two sets of left spacing holes respectively and is connected with the front side and the rear side on left support plate 29 top respectively from the top of mounting panel 9, the right front end and the right rear end of mounting panel 9 all are provided with the right spacing hole that link up from top down, the top of two sets of The front side and the right rear side are connected, and the bottom ends of the two groups of right limiting rods 32 are respectively connected with the front side and the rear side of the top end of the right supporting plate 30; through the cooperation of two sets of left gag lever posts, two sets of right gag lever posts, left branch fagging and right branch fagging, stability when improving the mounting panel and reciprocate.

In the cutting device for sheet metal working of the utility model, the top end of the positioning plate 22 is provided with the scale mark 33, the initial position of the scale mark 33 is positioned at the right side of the top end of the positioning plate 22, and the right end of the positioning plate 22 is positioned right above the bar-shaped hole 20; the cutting length of the sheet metal part is conveniently determined through the scale marks on the positioning plate, and the use reliability is improved.

The utility model discloses a cutting device for sheet metal working, still include collecting vat 34, the bottom of workstation 1 is provided with a plurality of draw-in grooves, the top of collecting vat 34 is provided with a plurality of buckles, a plurality of buckles clamp with a plurality of draw-in grooves respectively and are connected, collecting vat 34 is located under bar-shaped hole 20; the collection trough allows the collection of metal chips produced during the cutting process.

The utility model discloses a cutting device for sheet metal working, the bottom front side of mounting panel 9 is provided with cowl 35, cowl 35 is located right ahead of cutting wheel 19, and the horizontal plane of cowl 35 bottom is located above the horizontal plane of cutting wheel 19 bottom; can prevent through cowl that metal piece throws away when the cutting, conveniently collect metal piece.

The utility model discloses a cutting device for sheet metal working, still include slide bar 36, link up perforation around being provided with in the middle part of connecting plate 6, the front end of slide bar 36 and the rear end middle part fixed connection of workstation 1, the rear end of slide bar 36 passes the perforation to the rear of connecting plate 6 from the front end of connecting plate 6 to be provided with limiting plate 37 in the rear end of slide bar 36; through the cooperation of slide bar and limiting plate, carry on spacingly to the connecting plate, prevent that the distance that the connecting plate moved backward is too big.

The utility model discloses a cutting device for sheet metal working, when it works, before accomplishing the above-mentioned action, firstly move it to the position that the user needed, place the sheet metal component on the top of workstation, place the sheet metal component in the fixed slot, then position the sheet metal component by rotating the first adjusting screw to make the locating plate move backward, then position the sheet metal component by rotating the second adjusting screw, make the pressing plate move downward until the bottom of pressing plate is attached to the top of sheet metal component, accomplish the positioning and fixing of sheet metal component, easy and simple to handle, fixed effectual, guarantee the cutting effect, then drive the hydraulic stem downward through the pneumatic cylinder, the hydraulic stem drives the mounting panel to move downward, the cutting motor on the mounting panel drives the cutting wheel to rotate, can cut the sheet metal component that is fixed, drive the driving gear to rotate through the servo motor, the driving gear drives two sets of driven gears and two sets of screwed pipes to rotate synchronously, the connecting plate is driven to move back and forth through the matching of the threaded pipe and the threaded rod, the connecting plate drives the two groups of dovetail sliding plates to move back and forth, thereby leading the left support plate, the right support plate and the top plate to move back and forth, completely cutting the sheet metal part by the back and forth movement of the cutting wheel, saving labor, improving working efficiency, improving safety and practicability, the stability of the mounting plate during up-and-down movement is improved through the matching of the two groups of left limiting rods, the two groups of right limiting rods, the left support plate and the right support plate, the cutting length of the sheet metal part can be conveniently determined through the scale marks on the positioning plate, the use reliability is improved, the collecting groove can collect the metal scraps generated in the cutting process, the arc baffle can prevent the metal scraps from being thrown out during cutting, the metal scraps can be conveniently collected, through the cooperation of slide bar and limiting plate, carry on spacingly to the connecting plate, prevent that the distance that the connecting plate moved backward is too big.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A cutting device for sheet metal machining comprises a workbench (1), wherein a fixing device is arranged on the workbench (1); the novel workbench is characterized by further comprising a left support plate (2), a right support plate (3), a servo motor (4), a top plate (5), a connecting plate (6), two groups of threaded pipes (7), two groups of threaded rods (8) and a mounting plate (9), wherein dovetail grooves in the front and back directions are formed in the left side and the right side of the top end of the workbench (1), dovetail sliding plates (10) are arranged in the two groups of dovetail grooves in a sliding mode, openings are formed in the rear ends of the two groups of dovetail grooves, the rear ends of the two groups of dovetail sliding plates (10) extend out of the openings and are connected with the left side and the right side of the front end of the connecting plate (6), a rectangular groove (11) is formed in the rear side of the top end of the workbench (1), first mounting grooves are formed in the left end and the right end of the front side wall of the rectangular groove (11), first ball bearings (12) are fixedly mounted in the two groups of first mounting grooves, and first mounting, the two groups of first mounting through holes are internally and fixedly provided with second ball bearings (13), the two groups of second ball bearings (13) are respectively positioned at the front rear parts of the two groups of first ball bearings (12), the front ends of the two groups of threaded pipes (7) respectively penetrate through the two groups of second ball bearings (13) from the rear ends of the workbench (1) to extend into the rectangular grooves (11) and respectively insert into the two groups of first ball bearings (12), driven gears (14) are respectively arranged at the outer sides of the two groups of threaded pipes (7), the servo motor (4) is fixedly arranged in the rectangular grooves (11), a driving gear (15) is arranged at the rear side output end of the servo motor (4), the driving gear (15) is respectively meshed with the two groups of driven gears (14), the rear ends of the two groups of threaded rods (8) are respectively connected with the left half area and the right half area of the front end of the connecting plate (6), the front ends of two groups of threaded rods (8) are respectively inserted into the rear ends of two groups of threaded pipes (7) and are screwed, the bottom ends of a left support plate (2) and a right support plate (3) are respectively fixedly connected with the top ends of two groups of dovetail sliding plates (10), the top ends of the left support plate (2) and the right support plate (3) are respectively connected with the left side and the right side of the bottom end of a top plate (5), a hydraulic cylinder (16) is installed at the top end of the top plate (5), a hydraulic rod (17) is arranged at the bottom output end of the hydraulic cylinder (16), the bottom end of the hydraulic rod (17) penetrates through the top plate (5) to the lower part of the top plate (5) from the top end of the top plate (5) and is connected with the top end of a mounting plate (9), a cutting motor (18) is arranged on the mounting plate (9), a cutting wheel (19) is arranged at the left, the bottom of cutting wheel (19) passes the below of cutting mouth to mounting panel (9) from the top of mounting panel (9), is provided with bar hole (20) of fore-and-aft direction on workstation (1), bar hole (20) are located cutting wheel (19) under.

2. The cutting device for sheet metal working according to claim 1, wherein the fixing device is located on the left side of the strip-shaped hole (20), the fixing device comprises a bottom plate (21), a positioning plate (22), a vertical plate (23), a transverse plate (24), a pressing plate (25), a first adjusting screw (26) and a second adjusting screw (27), the bottom plate (21) is fixedly installed at the top end of the workbench (1), a fixing groove (28) is formed in the top end of the bottom plate (21), a first adjusting screw communicated with the fixing groove (28) is formed in the front end of the bottom plate (21), the rear end of the first adjusting screw (26) penetrates through the first adjusting screw from the front end of the bottom plate (21) to extend into the fixing groove (28) and is rotatably connected with the middle of the front end of the positioning plate (22), the bottom end of the vertical plate (23) is fixedly connected with the rear side of the top end of the bottom plate (21), the top of riser (23) and the bottom rear side fixed connection of diaphragm (24), the middle part of diaphragm (24) is provided with the second regulation screw hole that link up from top to bottom, the bottom of second adjusting screw (27) from the top spiral shell dress of diaphragm (24) pass the below of second regulation screw hole to diaphragm (24) and with the top middle part rotatable coupling of clamp plate (25), clamp plate (25) are located the top of fixed slot (28).

3. The cutting device for sheet metal working according to claim 2, wherein both left and right ends of the fixing groove (28) are opened.

4. The cutting device for sheet metal working according to claim 3, further comprising a left support plate (29), a right support plate (30), two sets of left limiting rods (31) and two sets of right limiting rods (32), wherein the left end of the left support plate (29) is fixedly connected with the right end of the left support plate (2), the right end of the right support plate (30) is fixedly connected with the left end of the right support plate (3), the left support plate (29) and the right support plate (30) are both horizontally arranged, the left support plate (29) is opposite to the right support plate (30), the left front end and the left rear end of the mounting plate (9) are both provided with left limiting holes, the top ends of the two sets of left limiting rods (31) are respectively connected with the left front side and the left rear side of the bottom end of the top plate (5), the bottom ends of the two sets of left limiting rods (31) respectively penetrate through the two sets of left limiting holes from the top end of the mounting plate (9) and are respectively connected with the front side and the rear side of the top end, the right front end and the right rear end of mounting panel (9) all are provided with the right spacing hole that link up from top to bottom, the top of two sets of right gag lever posts (32) passes two sets of right spacing holes respectively from the bottom of mounting panel (9) and is connected with the right front side and the right rear side of roof (5) bottom respectively, and the bottom of two sets of right gag lever posts (32) is connected with the front side and the rear side on right branch fagging (30) top respectively.

5. The cutting device for sheet metal working according to claim 4, wherein the top end of the positioning plate (22) is provided with scale marks (33), the starting position of the scale marks (33) is located on the right side of the top end of the positioning plate (22), and the right end of the positioning plate (22) is located right above the strip-shaped hole (20).

6. The cutting device for sheet metal working according to claim 5, further comprising a collecting groove (34), wherein a plurality of clamping grooves are formed in the bottom end of the workbench (1), a plurality of fasteners are arranged on the top end of the collecting groove (34), the fasteners are respectively connected with the clamping grooves in a clamping manner, and the collecting groove (34) is located right below the strip-shaped hole (20).

7. The cutting device for sheet metal working according to claim 6, wherein the front side of the bottom end of the mounting plate (9) is provided with an arc-shaped baffle (35), the arc-shaped baffle (35) is positioned right in front of the cutting wheel (19), and the horizontal plane of the bottom end of the arc-shaped baffle (35) is positioned above the horizontal plane of the bottom end of the cutting wheel (19).

8. The cutting device for sheet metal working according to claim 7, further comprising a sliding rod (36), wherein a through hole is formed in the middle of the connecting plate (6) and penetrates through the connecting plate from front to back, the front end of the sliding rod (36) is fixedly connected with the middle of the rear end of the workbench (1), the rear end of the sliding rod (36) penetrates through the through hole from the front end of the connecting plate (6) to the back of the connecting plate (6), and a limiting plate (37) is arranged at the rear end of the sliding rod (36).