CN213827188U

CN213827188U - Cutter and engraver convenient to clearance

Info

Publication number: CN213827188U
Application number: CN202022485897.5U
Authority: CN
Inventors: 龚卫东; 范赛飞; 肖志伟
Original assignee: Shenzhen Xinxing Glass Product Co ltd
Current assignee: Shenzhen Xinxing Glass Product Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-07-30
Anticipated expiration: 2030-10-31

Abstract

The utility model relates to a cutter and engraver convenient to clearance belongs to sculpture equipment technical field, including being used for installing the mount pad to the organism, be provided with the cutter on the mount pad, be provided with cutting device on the cutter, cutting device is used for cutting off the book bits of winding on the cutter. In the processing process, when the rolled scraps generated by the raw material are wound on the cutter, the rolled scraps wound on the cutter are cut off by the cutting device, so that the influence of the rolled scraps on the cutter is reduced, and the processing precision of the raw material of the cutter is improved; meanwhile, the possibility of stopping and cleaning the cutter is reduced, and the machining efficiency is further improved.

Description

Cutter and engraver convenient to clearance

Technical Field

The application relates to engraving equipment technical field, especially relates to a cutter and engraver convenient to clearance.

Background

The engraving is a drilling and milling combined machining in principle, a raw material is engraved mainly through high-speed rotation of a cutter, the cutter is a tool used for cutting machining in mechanical manufacturing and is also called a cutting tool, the cutter is widely applied in the engraving and forming process, the cutter is generally made of hard alloy or high-speed steel, and in order to increase the strength of the cutter, a hard layer of titanium carbide or titanium nitride is coated on the surface of the cutter to increase the hardness and strength of the cutter and improve the quality of the cutter.

At present, when a cutter rotates at a high speed to process a raw material, scraps generated during raw material processing can be wound on the cutter, and the processing precision of the raw material is influenced.

SUMMERY OF THE UTILITY MODEL

For the machining precision who improves former material, this application provides a cutter and engraver convenient to clearance.

In a first aspect, the present application provides a cutter convenient to clean, which adopts the following technical scheme:

the utility model provides a cutter convenient to clearance, is including being used for installing the mount pad to the organism, be provided with the cutter that is used for former material processing on the mount pad, be provided with cutting device on the mount pad, cutting device is used for cutting off the roll up bits of winding on the cutter.

By adopting the technical scheme, the mounting base is mounted on the required machine body, the cutter is used for processing the raw material, and when the winding scraps generated by the raw material are wound on the cutter in the processing process, the winding scraps wound on the cutter are cut off by the cutting device, so that the influence of the winding scraps on the cutter is reduced, and the processing precision of the raw material of the cutter is improved; meanwhile, the possibility of stopping and cleaning the cutter is reduced, and the machining efficiency is further improved.

Optionally, the cutting device includes a cutting knife slidably disposed on the mounting seat, the cutting knife is used for cutting off the rolling scraps wound on the cutting tool, and a driving member for driving the cutting knife to slide is disposed on the mounting seat.

By adopting the technical scheme, the cutting knife is driven to slide by the driving piece to cut off the coiled scraps; the cutting knife slides to cut the coiled scraps, so that the operation is simple; the cutting knife has the advantage of good cutting effect; the cutting knife is located the mount pad, and the cutting knife has the same rotational speed with the mount pad to reduce the possibility that the piece damaged the cutting knife, prolonged the live time of cutting knife.

Optionally, the cutting knife slides in the vertical direction, the driving member includes a micro motor arranged on the mounting seat, a toothed ring is sleeved on an output shaft of the micro motor, and a rack meshed with the toothed ring is arranged on the cutting knife; and the mounting seat is provided with an adjusting piece for adjusting the distance between the cutting knife and the cutter.

By adopting the technical scheme, the raw material is processed, and the distance between the cutting knife and the cutting tool is adjusted through the adjusting piece, so that the cutting knife and the cutting tool are positioned at the required positions; when the raw material is processed, when a certain amount of coiled scraps are accumulated, the micro motor is started, the micro motor drives the gear ring to rotate, the gear ring rotates to drive the rack to slide along the vertical direction, the rack slides to drive the cutting knife to slide to cut the coiled scraps, so that the coiled scraps coiled on the cutting tool are reduced, and the operation is simple and practical; add man-hour to the former material, adjust the cutting knife to required position through micro motor to reduce the influence of bits of curling in the course of working to the cutting knife, and then improved the excision effect of cutting knife to the bits of curling, further improved the processingquality of original paper.

Optionally, a mounting plate is slidably arranged in the mounting seat, the mounting plate slides towards or away from the cutter, the cutting knife is positioned on the mounting plate, and a sliding groove for the mounting plate to slide is formed in the mounting seat; the adjusting part comprises a lead screw rotatably arranged on the mounting seat, the length direction of the lead screw is perpendicular to the length direction of the cutter, and the mounting plate is in threaded connection with the lead screw.

By adopting the technical scheme, when the distance between the cutting knife and the cutter is adjusted, the screw rod is rotated, the screw rod rotates to drive the mounting plate to slide towards the direction close to or far away from the cutter, the mounting plate slides to drive the cutting knife to slide, and the operation is simple and practical; simultaneously, threaded connection has the performance of auto-lock, and the cutting knife is fixed to required position, has reduced the gliding possibility of cutting knife during former material processing, and then has ensured the cutting off effect of cutting knife to the bits of rolling up, has further improved the processingquality to former material.

Optionally, a slot cover for closing the opening of the sliding slot is arranged on the mounting seat, and an outlet for the cutting knife to move out or in is formed in the slot cover.

By adopting the technical scheme, a certain amount of chips can be generated when the cutter is used for processing the raw material, the possibility that the chips enter the chute is reduced due to the arrangement of the chute cover, the influence of the chips on the screw rod and the micro motor is reduced, and the processing quality of the raw material is further improved; the cutting knife is accommodated in the chute, so that the possibility of corrosion of the cutting knife is reduced, and the service life of the cutting knife is further prolonged; meanwhile, when the coiled scraps are coiled on the cutter, the cutter is accommodated in the chute, so that the possibility that the coiled scraps are coiled on the cutter is reduced, and the cutting effect of the cutter on the coiled scraps is ensured.

Optionally, the side wall of the slot cover and located at the outlet is provided with dustproof cloth, and the dustproof cloth is provided with a long-strip-shaped notch for the cutting knife to slide.

By adopting the technical scheme, the dustproof cloth covers the outlet of the groove cover, so that the possibility that chips enter the chute through the outlet is further reduced; dustproof cloth has the advantage of good deformation, and the rectangular shape breach on the dustproof cloth has the motion trend of drawing close each other, has further reduced the possibility that the piece got into the spout through rectangular shape breach.

Optionally, the mounting seat is rotatably provided with a hinge shaft, the length direction of the hinge shaft is perpendicular to the length direction of the cutter, the slot cover is fixedly connected to the hinge shaft, and the mounting seat is provided with a fixing piece for fixing the slot cover; the rack is provided with a plug pin, and the cutting knife is provided with a slot which is in plug-in fit with the plug pin; the cutting knife is characterized in that a first bolt is connected to the cutting knife in a threaded mode, a first thread groove in threaded fit with the first bolt is formed in the plug pin, and the first bolt penetrates through the cutting knife and is connected to the first thread groove in a threaded mode.

By adopting the technical scheme, the groove cover is rotated to open the opening of the sliding groove, and the cutting knife is driven to move out of the sliding groove by the motor, so that the cutting knife can be cleaned or replaced conveniently, the cutting effect of the cutting knife on the coiled scraps is improved, and the processing quality of the raw material is further improved; the groove cover is fixed to a required position through the fixing piece, so that the possibility that the groove cover is overturned when a cutter cuts the raw material is reduced, and the groove cover closes the opening of the sliding groove; when the cutting knife is replaced, the first bolt is rotated out of the first thread groove, the cutting knife is taken down from the rack for replacement, and the operation is simple and practical; simultaneously, fix the cutting knife on the rack through first bolt and have fixed effectual advantage.

Optionally, the fixing member includes a second bolt screwed on the slot cover, and the second bolt is screwed on the mounting seat through the slot cover.

Through adopting above-mentioned technical scheme, when solid to the capping, twist the second bolt on the mount pad, and then fix the capping to required position easy operation practical. And the second bolt has the advantage of good fixing effect.

In a second aspect, the present application provides an engraving machine, which adopts the following technical scheme:

the engraving machine comprises a machine body, wherein the machine body is provided with the cutter convenient to clean.

Through adopting above-mentioned technical scheme, when the cutter of engraver milled the bits to the former material, the piece that the former material produced was convoluteed on the cutter, orders about the cutting knife through micro motor and cuts off the volume bits, has reduced the influence of volume bits to the cutter, and then has improved the sculpture precision to the former material.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the rolled scraps generated by the raw materials are wound on the cutter, the rolled scraps wound on the cutter are cut off by the cutting device, so that the influence of the rolled scraps on the cutter is reduced, and the processing precision of the raw materials of the cutter is improved;

2. the cutting knife is accommodated in the chute, so that the possibility of corrosion of the cutting knife is reduced, and the service life of the cutting knife is further prolonged; the cutting knife is accommodated in the chute, so that the possibility that the coiled scraps are wound on the cutting knife is reduced, and the cutting effect of the cutting knife on the coiled scraps is ensured;

3. the dustproof cloth covers the outlet of the groove cover, so that the possibility that the chips enter the sliding groove through the outlet is further reduced; dustproof cloth has the advantage of good deformation, and the rectangular shape breach on the dustproof cloth has the motion trend of drawing close each other, has further reduced the possibility that the piece got into the spout through rectangular shape breach.

Drawings

FIG. 1 is a schematic view of the structure of a cutter in the embodiment of the present application;

FIG. 2 is a cross-sectional view of a tool in an embodiment of the present application, which is intended to show an internal structure of a mounting seat;

fig. 3 is an exploded view of the rack and the mounting plate and the rack and the cutting knife, aiming at showing the connection structure between the rack and the mounting plate and between the rack and the cutting knife.

FIG. 4 is an enlarged schematic view of portion A of FIG. 1;

fig. 5 is a schematic view of a connecting structure of the engraving machine and the cutter in the embodiment of the present application.

Description of reference numerals: 1. a mounting seat; 2. a cutter; 3. a cutting knife; 4. a micro motor; 5. a toothed ring; 6. a rack; 7. mounting a plate; 8. a chute; 9. a lead screw; 10. a slot cover; 11. an outlet; 12. a dust cloth; 13. a strip-shaped notch; 14. hinging a shaft; 15. a bolt; 16. a slot; 17. a first bolt; 18. a first thread groove; 19. a second bolt; 20. a fixing plate; 21. a dovetail block; 22. a dovetail groove; 23. a wheel disc; 24. a slide bar; 25. a fixed block; 26. a receiving table; 27. a connecting socket 27.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses cutter convenient to clearance. Referring to fig. 1, the mounting base 1 is used for being mounted on a machine body, in order to reduce resistance borne by the mounting base 1 during operation, the mounting base 1 is a cylinder, a cutter 2 is arranged on the mounting base 1, and the cutter 2 is located at the center of gravity of the mounting base 1; the mounting seat 1 is provided with a cutting device which is used for cutting off the rolled scraps wound on the cutter 2; cutter 2 adds man-hour to the log, and after the winding of coil bits was in cutter 2, cut off the coil bits through cutting device, and then reduced the influence of coil bits to cutter 2, improved the machining precision of 2 logs of cutter.

Referring to fig. 1 and 2, the cutting device comprises a cutting knife 3 slidably disposed on a mounting seat 1, the cutting knife 3 slides in a vertical direction, two side walls of the cutting knife 3 are both provided with cutting edges, the cutting knife 3 is used for cutting coiled scraps wound on a cutter 2, the cutting knife 3 is provided with two cutting knives, and the two cutting knives 3 are symmetrical along the center line of the mounting seat 1; be provided with mounting panel 7 in the mount pad 1, cutting knife 3 slides and sets up on mounting panel 7, be provided with on the mount pad 1 and be used for driving the gliding driving piece of cutting knife 3, the driving piece is including setting up micro motor 4 on mount pad 1, the fixed plate 20 that is provided with on the mounting panel 7, micro motor 4 fixed mounting is on fixed plate 20, the length direction perpendicular to cutting knife 3's of micro motor 4 output shaft slip direction, the cover is equipped with ring gear 5 on micro motor 4's the output shaft, be provided with on the cutting knife 3 with the rack 6 of ring gear 5 meshing.

A rechargeable battery for supplying power to the micro motor 4 is arranged on the mounting seat 1; the rechargeable battery supplies power to the micro motor 4, and the influence of a power supply line on the mounting base 1 is reduced.

When cutting the volume bits, start micro motor 4, micro motor 4 drive ring gear 5 rotates, and ring gear 5 rotates and orders about rack 6 and slides along vertical direction, and rack 6 slides and drives cutting knife 3 and slide and amputate the volume bits.

Referring to fig. 2 and 3, a dovetail block 21 is arranged on the side wall of the rack 6 close to the mounting plate 7, and a dovetail groove 22 for the dovetail block 21 to slide is arranged on the mounting plate 7; the dovetail block 21 is clamped in the dovetail groove 22, so that the possibility that the rack 6 falls off from the mounting plate 7 is reduced, and the cutting efficiency of the cutting knife 3 on the coiled scraps is improved.

In other embodiments, a plurality of cutting blades 3 may be disposed on the mounting base 1.

Referring to fig. 2, the mounting plate 7 is slidably disposed in the mounting seat 1, and the sliding direction of the mounting plate 7 is perpendicular to the sliding direction of the cutting blade 3; the mounting seat 1 is provided with a chute 8 for the mounting plate 7 to slide, one end of the chute 8 is closed, and the other end is open; the mounting plates 7 slide to facilitate the adjustment of the distance between the two mounting plates 7, so that the two cutting knives 3 are positioned at required positions, and the cutting knives 3 can cut off the coiled scraps conveniently; one end of the chute 8 is opened so that the cutting knife 3 can move out of the mounting seat 1 to cut rolled scraps wound on the cutter 2; meanwhile, when the raw material is processed, the cutting knife 3 is accommodated in the chute 8, and then the possibility of the roll scraps on the cutting knife 3 is reduced.

Referring to fig. 2, in order to adjust the distance between two cutting knives 3 and a cutter 2 conveniently, an adjusting member for adjusting the distance between the cutting knives 3 and the cutter 2 is arranged on the mounting base 1, the adjusting member includes a lead screw 9 rotatably arranged on the mounting base 1, the length direction of the lead screw 9 is perpendicular to the length direction of the cutter 2, in this embodiment, the lead screw 9 is a bidirectional lead screw, the turning directions of two ends of the bidirectional lead screw are opposite, the mounting plates 7 are in threaded connection with the lead screw 9, and the two mounting plates 7 are in threaded connection with two ends of the bidirectional lead screw respectively; the end of the screw 9 outside the mounting base 1 is provided with a wheel disc 23 so that the worker can rotate the screw 9.

When adjusting two cutting knife 3 apart from cutter 2's distance, rotate rim plate 23, rim plate 23 rotates and drives two-way lead screw and rotates, and two-way lead screw rotate and drive two mounting panels 7 and slide towards the direction that is close to each other or keeps away from, and mounting panel 7 slides and drives two cutting knife 3 and slide towards the direction that is close to or keeps away from cutter 2.

Referring to fig. 2, in order to improve the stability of the mounting plate 7, a plurality of sliding rods 24 are arranged in the chute 8 on the mounting base 1, in this embodiment, two sliding rods 24 are arranged on two sides of the mounting plate 7, the rack 6 is arranged between the two supporting rods, and the mounting plate 7 is slidably arranged on the sliding rods 24; the provision of the slide bar 24 improves the stability of the mounting plate 7.

Referring to fig. 2, in order to reduce the possibility that chips generated by the cutter 2 processing the raw material enter the chute 8, a chute cover 10 for closing an opening of the chute 8 is arranged on the mounting seat 1, and an outlet 11 for the cutter 3 to move out or in is arranged on the chute cover 10; under the action of the groove cover 10, the sliding groove 8 is separated from the outside, the possibility that chips enter the sliding groove 8 through the opening of the sliding groove 8 is reduced, and the influence of the chips on the screw rod 9 and the micro motor 4 is reduced.

Referring to fig. 2 and 4, in order to reduce the possibility that the chips enter the chute 8 through the outlet 11, the side wall of the outlet 11 is provided with dustproof cloth 12 on the slot cover 10, the side wall of the outlet 11 is provided with a mounting groove on the slot cover 10, the mounting groove is communicated with the head and the tail of the mounting groove, the dustproof cloth 12 is fixedly mounted in the mounting groove through an adhesive, and a long strip-shaped notch 13 for the sliding of the cutting knife 3 is formed in the dustproof cloth 12. Under the effect of dustproof cloth 12, the area of outlet 11 communicating with the outside is reduced, and the possibility that the chips enter chute 8 through outlet 11 is further reduced.

Referring to fig. 3, in order to facilitate replacement of the cutting knife 3, a plug pin 15 is arranged on the rack 6, and a slot 16 which is in plug-in fit with the plug pin 15 is arranged on the cutting knife 3; a first bolt 17 is connected to the cutting knife 3 in a threaded manner, a first thread groove 18 in threaded fit with the first bolt 17 is formed in the bolt 15, and the first bolt 17 penetrates through the cutting knife 3 and is connected to the first thread groove 18 in a threaded manner; when the cutting knife 3 is replaced, the cutting knife 3 is inserted into the bolt 15, the first bolt 17 is screwed to enable the first bolt 17 to enter the first thread groove 18, and then the cutting knife 3 is fixed on the rack 6.

Referring to fig. 3, in order to facilitate the first bolt 17 to be screwed into the first thread groove 18, the cross section of the inserted pin 15 perpendicular to the direction of the cutter 2 is rectangular, and the cross section of the inserted pin 15 is rectangular, so that the possibility of rotation of the inserted pin 15 in the inserted slot 16 is reduced, and after the cutting knife 3 is inserted into the inserted slot 16, the first bolt 17 is aligned with the first thread groove 18, so that the first bolt 17 is screwed into the first thread groove 18.

Referring to fig. 1 and 4, in order to facilitate the detachment of the cutting blade 3 from the mounting seat 1, the slot cover 10 is rotatably disposed on the mounting seat 1, the mounting seat 1 is rotatably provided with a hinge shaft 14, the mounting seat 1 is provided with a fixing block 25, the fixing block 25 is located at a side away from the cutter 2, the fixing block 25 is provided with a mounting groove for mounting the hinge shaft 14, the hinge shaft 14 is rotatably mounted in the mounting groove on the fixing block 25, the length direction of the hinge shaft 14 is perpendicular to the length direction of the cutter 2, and the slot cover 10 is fixedly connected to the hinge shaft 14; the opening of the sliding groove 8 is opened by rotating the groove cover 10, and then the cutting knife 3 is driven to slide out by the micro motor 4, so that the worker has a proper position to replace the cutting knife 3.

Referring to fig. 1 and 4, in order to fix the slot cover 10 to a desired position, a fixing member for fixing the slot cover 10 is arranged on the mounting base 1, the fixing member includes a second bolt 19 screwed on the slot cover 10, the second bolt 19 penetrates through the slot cover 10 and is screwed on the mounting base 1, and a second thread groove for the second bolt 19 to be screwed is formed on the mounting base 1; the chute cover 10 is rotated to close the opening of the chute 8, and the second bolt 19 is rotated to screw the second bolt 19 into the second screw groove, thereby fixing the chute cover 10 at a desired place.

The implementation principle of the cutter convenient to clean in the embodiment of the application is as follows:

when processing the log, at first adjust the cutting knife 3 apart from the distance between the cutter 2: the rotary wheel disc 23 is rotated, the rotary wheel disc 23 rotates to drive the bidirectional screw rod 9 to rotate, the bidirectional screw rod 9 rotates to drive the two mounting plates 7 to slide towards the direction close to or away from each other, and the mounting plates 7 slide to drive the two cutting knives 3 to slide towards the direction close to or away from the cutter 2.

The micro motor 4 is started, the micro motor 4 drives the gear ring 5 to rotate, the gear ring 5 rotates to drive the rack 6 to slide along the vertical direction, and the rack 6 slides to drive the cutting knife 3 to slide to cut off the coiled scraps.

The embodiment of the application discloses engraver. Referring to fig. 5, the machine comprises a machine body, wherein a cutter 2 convenient to clean is arranged on the machine body; the machine body comprises a bearing table 26, and a connecting seat 27 for connecting the mounting seat 1 is arranged on the bearing table 26; a driving motor for driving the connecting seat 27 to rotate is arranged on the bearing platform 26; when carving the log, install mount pad 1 on connecting seat 27, start driving motor, driving motor orders about connecting seat 27 and rotates, and connecting seat 27 rotates orders about mount pad 1 and rotates, and mount pad 1 rotates orders about cutter 2 and rotates and carves the log.

The implementation principle of the engraving machine in the embodiment of the application is as follows:

when the raw material is carved, the mounting seat 1 is mounted on the connecting seat 27, the driving motor is started to drive the connecting seat 27 to rotate, the connecting seat 27 rotates to drive the mounting seat 1 to rotate, and the mounting seat 1 rotates to drive the cutter 2 to rotate to carve the raw material; when carving the log, start micro motor 4, micro motor 4 orders about cutting knife 3 and cuts off the volume bits of coiling on cutter 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a cutter convenient to clearance which characterized in that: including being used for installing mount pad (1) to the organism, be provided with cutter (2) that are used for the former material processing on mount pad (1), be provided with cutting device on mount pad (1), cutting device is used for cutting off the book bits of winding on cutter (2).

2. A tool for facilitating cleaning according to claim 1, wherein: the cutting device comprises a cutting knife (3) which is arranged on a mounting seat (1) in a sliding mode, the cutting knife (3) is used for cutting coiled scraps wound on a cutter (2), and a driving piece which is used for driving the cutting knife (3) to slide is arranged on the mounting seat (1).

3. A tool for facilitating cleaning according to claim 2, wherein: the cutting knife (3) slides along the vertical direction, the driving piece comprises a micro motor (4) arranged on the mounting seat (1), a toothed ring (5) is sleeved on an output shaft of the micro motor (4), and a rack (6) meshed with the toothed ring (5) is arranged on the cutting knife (3); the mounting seat (1) is provided with an adjusting piece for adjusting the distance between the cutting knife (3) and the cutter (2).

4. A tool for facilitating cleaning according to claim 3, wherein: a mounting plate (7) is arranged in the mounting seat (1) in a sliding manner, the mounting plate (7) slides towards or away from the cutter (2), the cutting knife (3) is positioned on the mounting plate (7), and a sliding groove (8) for the mounting plate (7) to slide is formed in the mounting seat (1); the adjusting part comprises a lead screw (9) rotatably arranged on the mounting base (1), the length direction of the lead screw (9) is perpendicular to the length direction of the cutter (2), and the mounting plate (7) is in threaded connection with the lead screw (9).

5. A tool for facilitating cleaning according to claim 4, wherein: the cutting knife is characterized in that a groove cover (10) used for sealing an opening of the sliding groove (8) is arranged on the mounting seat (1), and an outlet (11) for the cutting knife (3) to move out or in is formed in the groove cover (10).

6. A tool for facilitating cleaning according to claim 5, wherein: and dustproof cloth (12) is arranged on the side wall of the groove cover (10) and positioned at the outlet (11), and a long-strip-shaped notch (13) for the cutting knife (3) to slide is formed in the dustproof cloth (12).

7. A tool for facilitating cleaning according to claim 5, wherein: a hinged shaft (14) is rotatably arranged on the mounting seat (1), the length direction of the hinged shaft (14) is vertical to the length direction of the cutter (2), the slot cover (10) is fixedly connected to the hinged shaft (14), and a fixing piece for fixing the slot cover (10) is arranged on the mounting seat (1); a plug pin (15) is arranged on the rack (6), and a slot (16) which is in plug-in fit with the plug pin (15) is formed in the cutting knife (3); the cutting knife is characterized in that a first bolt (17) is connected to the cutting knife (3) in a threaded mode, a first thread groove (18) in threaded fit with the first bolt (17) is formed in the bolt (15), and the first bolt (17) penetrates through the cutting knife (3) and is connected into the first thread groove (18) in a threaded mode.

8. A tool for facilitating cleaning according to claim 7, wherein: the fixing piece comprises a second bolt (19) which is in threaded connection with the slot cover (10), and the second bolt (19) penetrates through the slot cover (10) and is in threaded connection with the mounting base (1).

9. An engraver, its characterized in that: comprising a body provided with a tool for cleaning as claimed in any one of claims 1-8.