CN211641653U

CN211641653U - Environment-friendly engraver

Info

Publication number: CN211641653U
Application number: CN202020031841.XU
Authority: CN
Inventors: 李德生
Original assignee: Beijing Desheng Mishan Carving Co ltd
Current assignee: Beijing Desheng Mishan Carving Co ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-10-09
Anticipated expiration: 2030-01-07

Abstract

The utility model relates to an environment-friendly engraver, it is including carving platform, engraver main shaft, sculpture knife rest and carving tool, the last suction hood that is provided with of sculpture knife rest, the one end rigid coupling of engraver main shaft has the dust collection box, be provided with between dust collection box and the suction hood with both the guide duct of intercommunication, the hose is chooseed for use to the guide duct, the rigid coupling has the suction fan on the lateral wall that the dust collection box deviates from the guide duct, be provided with the filtration screen cloth that only allows the air to pass through between dust collection box and the suction fan. The utility model has the advantages that the sweeps generated during the processing of the engraving machine are collected in the dust collection box, thereby optimizing the working environment.

Description

Environment-friendly engraver

Technical Field

The utility model relates to an engraver equipment especially relates to an environment-friendly engraver.

Background

The engraving machine can be used for high-tech full-automatic computer-controlled engraving equipment for engraving calligraphy and painting on slates, glass and ceramics.

Referring to fig. 1, the existing engraving machine includes a frame 1, an engraving platform 11, an engraving machine spindle 12, an engraving tool holder 13, the engraving platform 11 is disposed on the frame 1, two side faces of the engraving platform 11, which are deviated from each other, are connected to form a slide rail, the engraving machine spindle 12 is disposed on the slide rail, the engraving machine spindle 12 can horizontally slide on the slide rail, the engraving machine spindle 12 is perpendicular to the slide rail, the engraving machine spindle 12 can be regarded as a Y-axis, the slide rail is an X-axis, the engraving tool holder 13 can slide on the engraving machine spindle 12 and move along with the movement of the engraving machine spindle 12, the moving direction is along the X-axis and can also slide on the engraving machine spindle 12, the moving direction is along the Y-axis, the engraving tool holder 14 is connected with an air cylinder which drives the engraving tool to move up and down, the air cylinder is disposed in the engraving machine spindle 12, and the.

The above prior art solutions have the following drawbacks: the engraver adds man-hour to the work piece, can produce a large amount of likepowder sweeps, if can not clear up these sweeps in time, and some sweeps can be wafted in the air, influences staff's operational environment, and some sweeps can be long-pending to be stayed on the work piece and influence the processing of engraver to the work piece.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an environment-friendly engraver, its advantage is with the engraver man-hour produced sweeps collect the dust collection box in to optimize operational environment.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides an environment-friendly engraver, includes sculpture platform, engraver main shaft, sculpture knife rest and carving tool, be provided with the suction hood on the sculpture knife rest, the one end rigid coupling of engraver main shaft has the dust collection box, is provided with between dust collection box and the suction hood with both the guide duct of intercommunication, the hose is chooseed for use to the guide duct, the rigid coupling has the suction fan on the lateral wall that the dust collection box deviates from the guide duct, is provided with the filter screen cloth that only allows the air to pass through between dust collection box and the suction fan.

Through adopting above-mentioned technical scheme, place the work piece on carving the platform when the staff, carving tool on the sculpture knife rest begins to add man-hour to the work piece, start the suction fan, inhale the sweeps on the work piece from the suction hood, enter into the dust collection box through the guide duct, through filtering stopping of screen cloth to the sweeps, make the sweeps keep in the dust collection box, and discharge unnecessary air through filtering the screen cloth, and the suction hood links together with the sculpture knife rest, make the suction hood follow the sculpture knife rest and remove, relatively more accurate like this, clear up the sweeps that produces on the work piece in time.

The utility model discloses further set up to: the air guide pipe is spiral, the main shaft of the carving machine is connected with a plurality of hooks used for hooking the air guide pipe in a sliding mode along the length direction of the main shaft, T-shaped sliding blocks are fixedly connected to the hooks, and a sliding way matched with the sliding blocks in a sliding mode is arranged on one face, facing the hooks, of the main shaft of the carving machine.

By adopting the technical scheme, when the two ends of the air guide pipe are close to each other, the middle part of the air guide pipe is folded, the drooping variable quantity of the air guide pipe is reduced, the hanging hook hangs the air guide pipe, the drooping variable quantity of the air guide pipe is further reduced, the hanging hook moves along with the folding or stretching of the air guide pipe, and the influence on the movement of the carving knife rest is avoided.

The utility model discloses further set up to: the couple includes horizontally branch, and the equal vertical rigid coupling in both ends of branch has the pole setting, and the cover is equipped with the cylinder on the branch and the cylinder rotates to be supported on branch, and the guide duct is located between two pole settings.

By adopting the technical scheme, the air guide pipe is hooked, short-distance slippage can be generated between the air guide pipe and the hook in the process of folding or stretching the air guide pipe, the roller enables the slippage between the air guide pipe and the hook to be easier, and the abrasion of the air guide pipe is also reduced.

The utility model discloses further set up to: the lower side wall of the dust collection box is provided with a funnel-shaped delivery pipe communicated with the dust collection box, a small end opening of the delivery pipe faces downwards and is provided with a sealing plate for sealing the delivery pipe, the sealing plate is hinged to one side wall of the delivery pipe, a waist-shaped hole for the screw to pass through is formed in the position, corresponding to the screw, of the sealing plate, a butterfly nut is connected to the screw in a threaded mode, and the butterfly nut abuts against the lower surface of the sealing plate tightly.

Through adopting above-mentioned technical scheme, twist butterfly nut when the staff accessible, make butterfly nut break away from the bolt, then make the shrouding rotate around articulated position to open the port of contact tube, make the sweeps in the dust collection box along the lateral wall roll-off of contact tube, thereby can make the staff handle the sweeps, the contact tube that leaks hopper-shaped makes the sweeps in the integrated box easily flow to the port of contact tube.

The utility model discloses further set up to: the dust collection box is characterized in that a vibration assembly is arranged on the side wall of the dust collection box and comprises a rotating shaft arranged on the side wall of the dust collection box, the two ends of the rotating shaft are respectively provided with an ear plate fixedly connected to the dust collection box, the rotating shaft is rotatably supported on the ear plates, springs are fixedly connected to the peripheral surface of the rotating shaft, and spherical convex blocks are fixedly connected to the ends, far away from the rotating shaft, of the springs.

Through adopting above-mentioned technical scheme, the staff orders about the pivot and rotates for the spring rotates along with the pivot, and then makes on the lug striking on the spring to the lateral wall of dust collection box, and the dust collection box produces the vibration, thereby on transmitting the contact tube, accelerates the sweeps to flow out, and spherical lug reduces the lug and to the smooth friction of dust collection box lateral wall.

The utility model discloses further set up to: the springs and the lugs are distributed on the circumference of the rotating shaft at equal intervals.

Through adopting above-mentioned technical scheme for the lug striking dust collection box's frequency has been accelerated, and the sweeps in the dust collection box slides out along the inner wall of contact tube more fast.

The utility model discloses further set up to: the engraving knife rest is provided with a micro inflator, the micro inflator is fixedly connected with an exhaust pipe, one end of the exhaust pipe, which is far away from the micro inflator, is fixedly connected with an air outlet nozzle, and the air outlet nozzle faces the engraving knife and is arranged opposite to the dust hood.

Through adopting above-mentioned technical scheme, through miniature aerator, blow off the air from the air outlet nozzle along the blast pipe for the sweeps on the work piece is kicked up, and the sweeps of being convenient for is inhaled the suction hood.

The utility model discloses further set up to: the air outlet nozzle is flat.

Through adopting above-mentioned technical scheme, make like this from the air that goes out the air nozzle and blow off comparatively disperse, the height that the restriction sweeps was raised.

To sum up, the utility model discloses a beneficial technological effect does:

1. the dust hood, the dust collection box, the air guide pipe, the suction fan and the filter screen cloth are used for timely collecting the waste scraps generated during the processing of the engraving machine into the dust collection box, so that the waste scraps are reduced from flying in the air, and the working environment is optimized;

2. the air guide pipe is spiral and is suspended by the hooks, so that the drooping variable quantity of the air guide pipe is reduced, and the air guide pipe is prevented from contacting a workpiece to influence the processing of the workpiece by the graver.

Drawings

Fig. 1 is a schematic structural diagram of an engraving machine in the prior art.

Fig. 2 is a schematic structural view of the engraver in the present embodiment.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an exploded view of the dust box and the suction fan in this embodiment.

Fig. 5 is a schematic structural view of the hook in the present embodiment.

Fig. 6 is a schematic structural diagram of the fastening assembly in the present embodiment.

Fig. 7 is a partially enlarged schematic view of a portion B in fig. 6.

Fig. 8 is a partially enlarged schematic view of a portion C in fig. 6.

In the figure, 1, a frame; 11. engraving a platform; 12. a main shaft of the engraving machine; 13. engraving a tool rest; 14. a graver; 15. a micro inflator; 16. an exhaust pipe; 17. an air outlet nozzle; 2. a dust hood; 21. a connecting rod; 3. an air guide pipe; 4. a dust collection box; 41. filtering the screen cloth; 42. a delivery pipe; 43. closing the plate; 44. a screw; 45. a kidney-shaped hole; 46. a butterfly nut; 47. a vibrating assembly; 471. a rotating shaft; 472. an ear plate; 473. a spring; 474. a bump; 475. connecting columns; 476. a drive rod; 5. a suction fan; 6. hooking; 61. a strut; 62. erecting a rod; 63. a drum; 7. a propping component; 71. mounting a plate; 711. a reinforcing plate; 72. a support plate; 721. a sleeve; 722. an extension plate; 73. a moving bar; 74. a chute; 75. a strip-shaped hole; 76. an abutting piece; 761. A slide bar; 762. a limiting strip; 763. a bolt; 77. moving the plate; 78. a threaded rod; 781. a deflector rod; 79. a support plate; 8. a slider; 9. a slideway.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Refer to fig. 2, do the utility model discloses an environment-friendly engraver, including frame 1, the 1 upper surface rigid coupling of frame has sculpture platform 11, is provided with the engraver main shaft 12 that removes along its length direction on the sculpture platform 11, and it is connected with sculpture knife rest 13 to slide along its length direction on the engraver main shaft 12, installs carving tool 14 on the sculpture knife rest 13, is connected with the cylinder on the sculpture knife rest 13, and the cylinder setting is in engraver main shaft 12 for order about sculpture knife rest 13 and reciprocate.

Referring to fig. 2 and 4, a dust hood 2 (refer to fig. 3) is arranged on the engraving knife rest 13, a connecting rod 21 (refer to fig. 3) is fixedly connected between the dust hood 2 and the engraving knife rest 13, an opening of the dust hood 2 faces the engraving knife 14, an air guide pipe 3 is arranged on a side wall of the dust hood 2, which deviates from the engraving knife 14, the air guide pipe 3 is selected as a hose, one end of the air guide pipe 3 is fixedly connected to the dust hood 2 and is communicated with the dust hood 2, the other end of the air guide pipe is fixedly connected to a dust collection box 4 and is communicated with the dust collection box 4, the dust collection box 4 is fixedly connected to an end face of the main shaft 12 of the engraving machine, a suction fan 5 is fixedly connected to the dust collection box 4, the suction fan 5 is communicated with the inside of the dust collection box 4, and a filter screen cloth 41 which.

When the worker places the work piece on carving platform 11, carving tool 14 on the sculpture knife rest 13 begins to add man-hour to the work piece, start suction fan 5, inhale the sweeps on the work piece from suction hood 2, enter into dust collection box 4 through guide duct 3, through the blockking of filter screen cloth 41 to the sweeps, make the sweeps keep in dust collection box 4, and discharge unnecessary air through filter screen cloth 41, suction hood 2 links together with sculpture knife rest 13, make suction hood 2 follow sculpture knife rest 13 and remove, relatively more accurate like this, in time clear up the sweeps that produces on the work piece.

Referring to fig. 2 and 5, when the engraving knife rest 13 moves on the engraving machine main shaft 12 and gradually approaches the dust collection box 4, two ends of the air guide pipe 3 approach each other, so that the middle part of the air guide pipe 3 sags due to gravity, the air guide pipe 3 can contact with a workpiece, and the processing of the engraving knife 14 on the workpiece is influenced, therefore, the air guide pipe 3 is spiral, when two ends of the air guide pipe 3 approach each other, the middle part of the air guide pipe 3 is folded, and the sag variation of the air guide pipe 3 is reduced, one surface of the engraving machine main shaft 12 facing the air guide pipe 3 is connected with a plurality of hooks 6 in a sliding mode along the length direction of the surface, which are used for hooking the air guide pipe 3, and the hooks are used for hanging the air guide pipe 3 and move along with the folding; a T-shaped sliding block 8 is fixedly connected to the hook 6, and a slide 9 matched with the sliding block 8 in a sliding mode is arranged on one surface, facing the hook 6, of the main shaft 12 of the engraving machine.

Referring to fig. 5, the hook 6 includes a horizontal supporting rod 61, two ends of the supporting rod 61 are vertically and fixedly connected with vertical rods 62, a sliding block 8 is fixedly connected to the circumferential surface of the vertical rod 62, the supporting rod 61 is sleeved with a roller 63, the roller 63 is rotatably supported on the supporting rod 61, the air guide pipe 3 is located between the two vertical rods 62, the outer side surface of the air guide pipe 3 is in contact with the roller 63, so that the air guide pipe 3 can be suspended, in the process of folding or stretching the air guide pipe 3, short-distance sliding can be generated between the air guide pipe 3 and the hook 6, the roller 63 enables the sliding between the air guide pipe 3 and the hook 6 to be easier, and the abrasion of the air guide pipe 3 is.

Referring to fig. 4, in order to facilitate the working personnel to dispose the waste in the dust collecting box 4, a funnel-shaped outlet tube 42 is fixedly connected to the lower side wall of the dust collecting box 4, the large end of the outlet tube 42 is communicated with the inside of the dust collecting box 4, the small end of the outlet tube 42 (refer to fig. 2) faces downwards and is provided with a sealing plate 43 for sealing the same, the sealing plate 43 is hinged to one side wall of the outlet tube 42, a screw 44 is fixedly connected to the side wall of the outlet tube 42 away from the hinged position in a vertical manner, a kidney-shaped hole 45 for the screw 44 to pass through is formed in the sealing plate 43 corresponding to the screw 44, a butterfly nut 46 is connected to the screw 44 in a threaded manner, the butterfly nut 46 abuts against the lower surface of the sealing plate 43, so that the sealing plate 43; thus, when a worker screws the wing nut 46 to disengage the wing nut 46 from the screw 44, the closing plate 43 is rotated around the hinge position to open the small end of the outlet tube 42, so that the dust in the dust box 4 slides out along the side wall of the outlet tube 42, thereby allowing the worker to dispose of the dust.

Referring to fig. 4, in order to slide the waste in the dust box 4 as soon as possible, a vibration component 47 is disposed on a side wall of the dust box 4 away from the engraving machine spindle 12 (refer to fig. 2), the vibration component 47 includes a rotating shaft 471 horizontally disposed on the side wall of the dust box 4, both ends of the rotating shaft 471 are provided with ear plates 472 fixedly connected to the dust box 4, both ends of the rotating shaft 471 penetrate the ear plates 472 and are rotatably supported on the ear plates 472, a plurality of springs 473 are fixedly connected to a circumferential surface of the rotating shaft 471, the length of the springs 473 is greater than the distance from the rotating shaft 471 to the side wall of the dust box 4, the plurality of springs 473 are circumferentially distributed around an axis of the rotating shaft 471 at equal intervals, one end of each spring 473 away from the rotating shaft 471 is fixedly connected to a spherical projection 474, a connecting column 475 is vertically fixedly connected to a circumferential surface of the rotating shaft 471 close to an end, a driving rod 476 arranged along a length direction of the rotating shaft 471 is.

The staff can hold the actuating lever 476 by hand, make actuating lever 476 rotate around the axis of rotation 471 to drive the rotation of rotation 471, make spring 473 rotate along with rotation of rotation 471, and then make the lug 474 on the spring 473 strike the lateral wall of dust collection box 4 on, the dust collection box 4 produces the vibration, and a plurality of spring 473 has accelerated the frequency that lug 474 strikes dust collection box 4, and the sweeps in the dust collection box 4 more quickly along the inner wall roll-off of contact tube 42.

Referring to fig. 3, in order to make the waste on the workpiece more easily sucked into the dust hood 2, a micro inflator 15 is fixedly connected to the engraving cutter holder 13, an exhaust pipe 16 is fixedly connected to the micro inflator 15, an end of the exhaust pipe 16 away from the micro inflator 15 is fixedly connected to an air outlet nozzle 17, the air outlet nozzle 17 is flat, one end of the air outlet nozzle 17 is communicated with the exhaust pipe 16, and the other end of the air outlet nozzle 17 faces the engraving knife 14 and is arranged opposite to the dust hood 2, so that the air is blown out from the air outlet nozzle 17 along the exhaust pipe 16 by the micro inflator 15, the waste on the workpiece is lifted, and the waste is conveniently sucked into the dust hood 2.

Referring to fig. 6, a fastening assembly 7 for fixing a workpiece is disposed on the engraving platform 11, the fastening assembly 7 is disposed in two groups and respectively disposed on the front side and the rear side of the engraving machine spindle 12, the fastening assembly 7 includes a mounting plate 71 disposed along the length direction of the engraving machine spindle 12, the mounting plate 71 is disposed above the engraving platform 11, two ends of the mounting plate 71 are fixedly connected with a support plate 72 supported on the engraving platform 11, the support plate 72 is connected to the engraving platform 11 in a sliding manner along the length direction of the engraving platform 11, a movable strip 73 having a dovetail-shaped cross section is fixedly connected to a side of the support plate 72 facing the engraving platform 11, two sliding grooves 74 for sliding the movable strip 73 are disposed on the engraving platform 11, the two sliding grooves 74 are respectively close to the left side and the right side of the engraving platform 11, a strip-shaped hole 75 is formed in the mounting plate 71 in a penetrating manner, the strip-shaped hole 75 is disposed along the length direction of the engraving machine spindle 12, and a plurality of fastening .

After the staff placed the work piece on sculpture platform 11, order about two sets of tight subassemblies 7 that support and move on sculpture platform 11, be close to two relative avris of work piece, then remove the tight piece 76 that supports in the bar hole 75, make to support the tight piece 76 and be located the work piece top, then fix the work piece on sculpture platform 11 through supporting the tight piece 76, reduce the engraver and add man-hour to the work piece, cause the removal of work piece, destroy the accuracy of engraver processing.

Referring to fig. 7, the abutting piece 76 includes a sliding bar 761 slidably connected in the bar hole 75, two parallel limiting bars 762 are fixedly connected to two sides of the sliding bar 761, the two limiting bars 762 abut against the upper and lower surfaces of the mounting plate 71 respectively, a bolt 763 in threaded connection with the sliding bar 761 is vertically penetrated through the sliding bar 761, the bolt 763 is fixedly connected with an abutting plate 764 towards one end of the engraving platform 11, when a worker drives the sliding bar 761 to move in the bar hole 75, the abutting plate 764 is located above the workpiece, and then the abutting plate 764 is gradually close to the workpiece and abuts against the upper surface of the workpiece by screwing the bolt 763.

Referring to fig. 6, one surface of the mounting plate 71, which faces away from the abutting plate, is provided with two elongated reinforcing plates 711, and the two reinforcing plates 711 are arranged along the length direction of the elongated hole 75 and are respectively disposed at two sides of the elongated hole 75, so that after the abutting member 76 fixes the workpiece, the mounting plate 71 is not easily bent or deformed when receiving the acting force of the abutting member 76, and the mounting plate 71 is effectively protected.

Referring to fig. 7 and 8, in order to enable the abutting assembly 7 to be suitable for workpieces with different thicknesses, the support plate 72 includes a vertically arranged sleeve 721, an extension plate 722 slidably connected with the sleeve 721 is inserted into the sleeve 721, the moving bar 73 is fixedly connected to the lower side surface of the sleeve 721, a moving plate 77 is fixedly connected to one surface of the extension plate 722 facing away from the mounting plate 71, a threaded rod 78 in threaded connection with the moving plate 77 is vertically penetrated through the moving plate 77, a support plate 79 is fixedly connected to one surface of the sleeve 721 facing away from the mounting plate 71, the support plate 79 abuts against the lower end surface of the threaded rod 78, the threaded rod 78 is rotatably supported on the support plate 79, and a worker can move the moving plate 77 on the threaded rod 78 along the axial direction of the threaded rod, thereby driving the extension plate 722 to slide in the sleeve 721, so as to adjust the distance between the mounting plate 71 and the upper surface of the engraving platform 11, and the abutting assembly 7 can abut and clamp workpieces with different thicknesses.

Referring to fig. 8, in order to facilitate the worker to rotate the threaded rod 78, a shift lever 781 connected with the threaded rod 78 in a sliding manner is arranged on the threaded rod 78 along the diameter direction of the end surface of the threaded rod, and the shift lever 781 is close to the upper end surface of the threaded rod 78, so that the worker can apply force to the threaded rod 78, and the worker can rotate the threaded rod 78 more easily.

The implementation principle of the embodiment is as follows: the carving tool 14 on the carving knife rest 13 begins to add man-hour to the work piece, start the suction fan 5, inhale the sweeps on the work piece from suction hood 2, enter into dust collection box 4 through guide duct 3, through the blockking of filter screen cloth 41 to the sweeps, make the sweeps keep in dust collection box 4, and discharge unnecessary air through filter screen cloth 41, suction hood 2 links together with carving knife rest 13, make suction hood 2 follow carving knife rest 13 and remove, relatively more accurate like this, clear up the sweeps that produces on the work piece in time.

When a worker places a workpiece on the engraving platform 11, the worker drives the two sets of abutting assemblies 7 to move on the engraving platform 11 to be close to two opposite sides of the workpiece, then moves the abutting pieces 76 in the 73-shaped holes to enable the abutting pieces 76 to be located above the workpiece, and the abutting plates 764 are gradually close to the workpiece and abut against the upper surface of the workpiece by screwing the bolts 763.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an environment-friendly engraver, includes sculpture platform (11), engraver main shaft (12), carving tool (14) frame (13) and carving tool (14), its characterized in that: the carving tool is characterized in that a dust hood (2) is arranged on a carving knife (14) frame (13), a dust collection box (4) is fixedly connected to one end of a carving machine main shaft (12), an air guide pipe (3) communicated with the dust collection box (4) and the dust hood (2) is arranged between the dust collection box (4) and the dust hood (2), a hose is selected for the air guide pipe (3), a suction fan (5) is fixedly connected to the side wall of the dust collection box (4) deviating from the air guide pipe (3), and a filter screen cloth (41) allowing air to pass through is arranged between the dust collection box (4) and the suction fan (5).

2. The environment-friendly engraving machine as claimed in claim 1, wherein: the air guide pipe (3) is spiral, the carving machine main shaft (12) is connected with a plurality of hooks (6) used for hooking the air guide pipe (3) in a sliding mode along the length direction of the carving machine main shaft, T-shaped sliding blocks (8) are fixedly connected onto the hooks (6), and a sliding way (9) matched with the sliding blocks (8) in a sliding mode is formed in one face, facing the hooks (6), of the carving machine main shaft (12).

3. The environment-friendly engraving machine as claimed in claim 2, wherein: couple (6) are including horizontally branch (61), and the equal vertical rigid coupling in both ends of branch (61) has pole setting (62), and the cover is equipped with cylinder (63) and cylinder (63) rotates to be supported on branch (61), and guide duct (3) are located between two pole settings (62).

4. The environment-friendly engraving machine as claimed in claim 1, wherein: the lower side wall of the dust collection box (4) is provided with a funnel-shaped delivery pipe (42) communicated with the dust collection box, a small end opening of the delivery pipe (42) faces downwards and is provided with a sealing plate (43) for sealing the delivery pipe, the sealing plate (43) is hinged to one side wall of the delivery pipe (42), a waist-shaped hole (45) for the screw rod (44) to penetrate through is formed in the position, corresponding to the screw rod (44), of the sealing plate (43), a butterfly nut (46) is connected to the screw rod (44) in a threaded mode, and the butterfly nut (46) abuts against the lower surface of the sealing plate (43).

5. The environment-friendly engraving machine as claimed in claim 4, wherein: the dust collection box is characterized in that a vibration component (47) is arranged on the side wall of the dust collection box (4), the vibration component (47) comprises a rotating shaft (471) arranged on the side wall of the dust collection box (4), two ends of the rotating shaft (471) are respectively provided with an ear plate (472) fixedly connected to the dust collection box (4), the rotating shaft (471) is rotatably supported on the ear plates (472), a spring (473) is fixedly connected to the peripheral surface of the rotating shaft (471), and a spherical bump (474) is fixedly connected to one end, far away from the rotating shaft (471), of the spring (473).

6. The environment-friendly engraving machine as claimed in claim 5, wherein: the springs (473) and the lugs (474) are distributed in a plurality at equal intervals around the axis of the rotating shaft (471).

7. The environment-friendly engraving machine as claimed in claim 6, wherein: the device is characterized in that a miniature inflator (15) is arranged on the frame (13) of the graver (14), an exhaust pipe (16) is fixedly connected to the miniature inflator (15), an air outlet nozzle (17) is fixedly connected to one end, far away from the miniature inflator (15), of the exhaust pipe (16), and the air outlet nozzle (17) faces the graver (14) and is arranged opposite to the dust hood (2).

8. The environment-friendly engraving machine as claimed in claim 7, wherein: the air outlet nozzle (17) is flat.