CN220146174U - Cutting machine convenient to use - Google Patents

Abstract

The utility model discloses a convenient-to-use cutting machine which comprises a bottom plate, wherein a fixing frame is fixedly arranged at the top end of the bottom plate, a moving assembly is arranged in the fixing frame, and the moving assembly comprises a power motor, a screw rod, a thread block, a mounting plate, a hydraulic rod, a fixing shell, a cutting motor and a cutting piece. Through setting up fixed subassembly and centre gripping subassembly, rotate disc wheel and hand wheel to be convenient for press from both sides tight fixed to the furniture timber of equidimension, effectively improved the efficiency of cutting; by starting the exhaust fan, the phenomenon that dust and dirt fly in disorder and are sucked by people during cutting is avoided, the working environment of workers is improved, and the health of the workers is ensured; the movable assembly and the rotary assembly are arranged, the power motor is started, the position of the cutting piece can be adjusted, the cutting piece can be controlled to contact furniture timber through the hydraulic rod, and the furniture timber can be conveniently cut in all directions; and the rotary motor is started, so that the position of the furniture timber is convenient to adjust, and the furniture timber is convenient to cut.

Description

Cutting machine convenient to use

Technical Field

The utility model relates to the technical field of furniture wood processing, in particular to a convenient-to-use cutting machine.

Background

Furniture refers to a large class of equipment and facilities necessary for humans to maintain normal life, engage in production practices, and develop social activities. Furniture is innovated along with the continuous development of the steps of the times, and the furniture has various types, various materials, complete varieties and different uses. Is an important foundation for building working and living spaces. Furniture is closely related to daily life of people, and when furniture is produced, the plates for producing furniture need to be cut according to the shape, the size and the design of specific furniture.

CN112339031a cutting device for furniture processing, comprising a workbench, an upright post, a cross beam, a hydraulic cylinder, a hydraulic rod, a cutting knife, a pressing component, a cutting groove, a cutting arc plate, a dust collecting shell, a dust collecting drawer and supporting legs, wherein the upright post is arranged above two ends of the workbench, the cross beam is arranged between the upper ends of the upright posts, the middle part of the upper part of the cross beam is provided with the hydraulic cylinder, the output end of the hydraulic cylinder is connected with the hydraulic rod, the hydraulic rod is arranged below the cross beam, the lower end of the hydraulic rod is connected with the cutting knife, the two sides of the upper surface of the workbench are provided with the pressing component, the middle part of the workbench is penetrated and provided with the cutting groove, the cutting arc plate is arranged inside the cutting groove, the dust collecting shell is arranged below the workbench corresponding to the cutting groove, the dust collecting drawer is arranged in the dust collecting shell, and the supporting legs are arranged on the two sides of the lower surface of the workbench.

The existing cutting machine convenient to use is inconvenient to clamp and fix furniture timber of different sizes during cutting, is inconvenient to comprehensively cut the furniture timber, cannot process furniture timber scraps and dust generated during cutting, and is easy to pollute the environment and influence the health of staff. Therefore, a cutter convenient to use is proposed in view of the above-mentioned problems.

Disclosure of Invention

The embodiment provides a convenient-to-use cutting machine which is used for solving the problems that the convenient-to-use cutting machine in the prior art is inconvenient to clamp and fix furniture timber with different sizes during cutting, is inconvenient to comprehensively cut the furniture timber, cannot process furniture timber scraps and dust generated during cutting, and is easy to pollute the environment and influence the health of staff.

According to one aspect of the utility model, a convenient-to-use cutting machine is provided, the convenient-to-use cutting machine comprises a bottom plate, a fixing frame is fixedly arranged at the top end of the bottom plate, a moving assembly is arranged in the fixing frame, the moving assembly comprises a power motor, a screw rod, a thread block, a mounting plate, a hydraulic rod, a fixing shell, a cutting motor and a cutting piece, a first motor shell is fixedly connected to one side of the fixing frame, a power motor is fixedly arranged in an inner cavity of the first motor shell, an output shaft of the power motor penetrates through the fixing frame and is fixedly connected with the screw rod, the screw rod is rotatably connected with the fixing frame through a bearing, the thread block is in threaded connection with the outer surface of the screw rod, the mounting plate is fixedly connected with the bottom end of the thread block, the hydraulic rod is fixedly arranged at the bottom end of the mounting plate, the fixing shell is fixedly arranged at the output end of the hydraulic rod, the cutting motor is fixedly arranged in the inner cavity of the fixing shell, and the output shaft of the cutting motor penetrates through the fixing shell and extends to the outer end of the fixing shell to be fixedly connected with the cutting piece.

Further, the inside of mount is located the top fixed mounting of lead screw has the dead lever, the surface sliding connection of dead lever has the sliding block, the bottom of sliding block and the top fixed connection of screw thread piece.

Further, the top of bottom plate is provided with the rotating assembly, the rotating assembly is including rotating seat, rotation motor, annular spout, guide arm, gyro wheel and annular spout, the bottom fixedly connected with second motor casing of bottom plate, the inner chamber fixed mounting of second motor casing has rotation motor, the output shaft of rotation motor runs through bottom plate fixedly connected with and rotates the seat, annular spout has been seted up at the bottom plate top, the inner chamber sliding connection of annular spout has a plurality of gyro wheels, and is a plurality of the top of gyro wheel is fixed mounting respectively has the guide arm, a plurality of the top fixedly connected with of guide arm is the same rotation seat.

Further, the top of rotating the seat is provided with fixed subassembly, fixed subassembly includes threaded rod, movable block, hand wheel, guide way and guide way, the movable groove has been seted up on the top of rotating the seat, two the inner chamber of movable groove is connected with the threaded rod through the bearing rotation, the both ends of threaded rod extend to the outer end fixedly connected with hand wheel of rotating the seat respectively, the surface threaded connection of threaded rod has two movable blocks, be provided with two sections reverse screw threads of rotation on the threaded rod, two the movable block distributes respectively on opposite screw threads, two the bottom fixedly connected with guide way of movable block, two guide ways have been seted up to the bottom of movable groove, two the guide way respectively with two guide way sliding connection.

Further, two the top of movable block is provided with the clamping assembly respectively, the clamping assembly includes fixed plate, mounting bracket, fixing screw, disc wheel, grip block and rubber pad, two the top fixedly connected with fixed plate of movable block, two the top fixed mounting of fixed plate has the mounting bracket, the top threaded connection of mounting bracket has fixing screw, the top fixedly connected with disc wheel of fixing screw, fixing screw is located the inside grip block that is connected with through the bearing rotation of mounting bracket, the bottom fixedly connected with rubber pad of grip block.

Further, two limiting grooves are formed in one side of the mounting frame, limiting blocks are fixedly mounted on one side of the clamping plate, and the limiting blocks are respectively and slidably connected with the two limiting grooves.

Further, the top of bottom plate and the left and right sides of mount are fixed mounting respectively has the dust removal case, the inner chamber of dust removal case has the air exhauster through motor frame fixed mounting, the inner chamber of dust removal case is provided with the filtration frame, filtration frame from the top down has set gradually first filter screen and second filter screen, two the left and right sides lateral wall of mount is fixed mounting respectively has the connecting pipe, two the one end fixedly connected with dust collecting cover of connecting pipe.

Further, the side walls of the left side and the right side of the inner cavity of the dust removal box are respectively provided with a sliding groove, the left side and the right side of the filtering frame are respectively provided with a sliding block, and the two sliding blocks are respectively in sliding connection with the two sliding grooves.

Further, an air outlet is formed in one side of each dust removing box, and a ventilation net is arranged at the position of each dust removing box located at the air outlet.

Further, supporting legs are fixedly arranged at the left side and the right side of the bottom end of the bottom plate respectively, and the number of the supporting legs is four.

According to the embodiment of the utility model, the fixing component and the clamping component are arranged, and the disc wheel and the hand wheel are rotated, so that furniture timber with different sizes can be clamped and fixed conveniently, and the cutting efficiency is improved effectively; by starting the exhaust fan, the phenomenon that dust and dirt fly in disorder and are sucked by people during cutting is avoided, the working environment of workers is improved, and the health of the workers is ensured; the movable assembly and the rotary assembly are arranged, the power motor is started, the position of the cutting piece can be adjusted, the cutting piece can be controlled to contact furniture timber through the hydraulic rod, and the furniture timber can be conveniently cut in all directions; and the rotary motor is started, so that the position of the furniture timber is convenient to adjust, and the furniture timber is convenient to cut.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present utility model;

fig. 3 is an enlarged partial schematic view at a of fig. 2 according to an embodiment of the present utility model.

In the figure: 1. a fixing frame; 2. a screw rod; 3. cutting the sheet; 4. a fixed case; 5. a cutting motor; 6. a sliding block; 7. a screw block; 8. a hydraulic rod; 9. a mounting plate; 10. a fixed rod; 11. a power motor; 12. a first motor housing; 13. a dust collection cover; 14. a connecting pipe; 15. a filter frame; 16. a first filter screen; 17. an exhaust fan; 18. an air outlet; 19. support legs; 20. an annular groove; 21. a roller; 22. a rotating seat; 23. a second motor housing; 24. a rotating motor; 25. a threaded rod; 26. a movable groove; 27. a guide rod; 28. a bottom plate; 29. a ventilation screen; 30. a slide block; 31. a chute; 32. a second filter screen; 33. the dust removing box, 34, the handle, 35, the guide groove, 36, the guide block, 37, the screw block, 38, the fixing plate, 39, the extrusion pad, 40 and the clamping plate; 41. a hand wheel; 42. a fixed screw; 43. a mounting frame; 44. a limiting block; 45. a limit groove; 46. disc wheel.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; can be directly connected or indirectly connected through an intermediate medium, or two devices,

Internal communication between elements or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1-3, a convenient-to-use cutting machine comprises a bottom plate 28, a fixing frame 1 is fixedly installed at the top end of the bottom plate 28, a moving assembly is arranged in the fixing frame 1 and comprises a power motor 11, a screw rod 2, a thread block 7, a mounting plate 5, a hydraulic rod 8, a fixing shell 9, a cutting motor 4 and a cutting sheet 3, a first motor shell 12 is fixedly connected to one side of the fixing frame 1, a power motor 11 is fixedly installed in an inner cavity of the first motor shell 12, a screw rod 2 is fixedly connected to an output shaft of the power motor 11, the screw rod 2 is rotatably connected with the fixing frame 1 through a bearing, a thread block 7 is connected to an outer surface thread of the screw rod 2, a mounting plate 5 is fixedly connected to the bottom end of the thread block 7, a hydraulic rod 8 is fixedly installed at the bottom end of the mounting plate 5, a fixing shell 9 is fixedly installed at the output end of the hydraulic rod 8, a cutting motor 4 is fixedly installed in an inner cavity of the fixing shell 9, and the output shaft of the cutting motor 4 penetrates through the fixing shell 9 and extends to the outer end of the fixing shell 9 to be fixedly connected with the cutting sheet 3.

The inside of mount 1 is located the top fixed mounting of lead screw 2 has dead lever 10, the surface sliding connection of dead lever 10 has slider 6, the bottom of slider 6 and the top fixed connection of screw thread piece 7.

The top of bottom plate 28 is provided with the rotating assembly, the rotating assembly includes rotation seat 22, rotation motor 24, annular spout 20, guide arm 27, gyro wheel 21 and annular spout 20, the bottom fixedly connected with second motor casing 23 of bottom plate 28, the inner chamber fixed mounting of second motor casing 23 has rotation motor 24, the output shaft of rotation motor 24 runs through bottom plate 28 fixedly connected with rotation seat 22, annular spout 20 has been seted up at bottom plate 28 top, the inner chamber sliding connection of annular spout 20 has a plurality of gyro wheels 21, a plurality of the top of gyro wheel 21 is fixed mounting respectively has guide arm 27, a plurality of the top fixedly connected with same rotation seat 22 of guide arm 27.

The top of rotating seat 22 is provided with fixed subassembly, fixed subassembly includes threaded rod 25, movable block 37, hand wheel 41, guide way 35 and guide way 36, movable groove 26 has been seted up on the top of rotating seat 22, two the inner chamber of movable groove 26 is connected with threaded rod 25 through the bearing rotation, the both ends of threaded rod 25 extend to the outer fixedly connected with hand wheel 41 of rotating seat 22 respectively, the surface threaded connection of threaded rod 25 has two movable blocks, be provided with two sections rotation opposite screw threads on the threaded rod 25, two movable block 37 distributes respectively on opposite screw thread, two the bottom fixedly connected with guide way 36 of movable block 37, two guide way 35 have been seted up to the bottom of movable groove 26, two guide way 36 respectively with two guide way 35 sliding connection.

The top of two movable block 37 is provided with the clamping assembly respectively, the clamping assembly includes fixed plate 38, mounting bracket 43, fixing screw 42, disc wheel 46, grip block 40 and rubber pad 39, two the top fixedly connected with fixed plate 38 of movable block 37, two the top fixed mounting of fixed plate 38 has mounting bracket 43, the top threaded connection of mounting bracket 43 has fixing screw 42, the top fixedly connected with disc wheel 46 of fixing screw 42, fixing screw 42 is located inside the mounting bracket 43 and rotates through the bearing and be connected with grip block 40, the bottom fixedly connected with rubber pad 39 of grip block 40.

A limiting groove 45 is formed in one side of the mounting frame 43, a limiting block 44 is fixedly mounted on one side of the clamping plate 40, and the limiting blocks 44 are respectively connected with the two limiting grooves 45 in a sliding mode.

The top of bottom plate 28 and the left and right sides of mount 1 are fixed mounting respectively and are removed dust box 33, the inner chamber of dust box 33 has air exhauster 17 through motor frame fixed mounting, the inner chamber of dust box 33 is provided with filter frame 15, filter frame 15 from the top down has set gradually first filter screen 16 and second filter screen 32, two the left and right sides lateral wall of mount 1 is fixed mounting respectively has connecting pipe 14, two the one end fixedly connected with dust cage 13 of connecting pipe 14.

Sliding grooves 31 are respectively formed in the side walls of the left side and the right side of the inner cavity of the dust removing box 33, sliding blocks 30 are respectively formed in the left side and the right side of the filtering frame 15, and the sliding blocks 30 are respectively connected with the two sliding grooves 31 in a sliding mode.

An air outlet 18 is formed in one side of the two dust removal boxes 33, and a ventilation net 29 is arranged at the position of the two dust removal boxes 33 located at the air outlet 18.

The left and right sides of the bottom end of the bottom plate 28 are respectively fixedly provided with supporting legs 19, and the number of the supporting legs 19 is four.

When the utility model is used, the furniture timber is placed on the top of the rotating seat, then the disc wheel 46 is rotated to drive the threaded rod 25 to rotate, under the action of the guide groove 26 and the guide block 37, the threaded rod 25 drives the two movable blocks 37 to be close to or far away from each other, meanwhile, the two hand wheels 41 are respectively rotated, the hand wheels 41 drive the fixed screw 42 to rotate, and under the action of the limit groove 45 and the limit block 44, the two clamping plates 40 are respectively close to the furniture timber, thereby being convenient for clamping and fixing the furniture timber with different sizes and effectively improving the cutting efficiency; when cutting is performed, the power motor 11 is started, the output shaft of the power motor 11 drives the screw rod 2 to rotate, the screw rod 2 drives the threaded block 7 to move left and right under the action of the sliding block 6 and the fixed rod 10, the cutting piece 3 can be controlled to move left and right when the threaded block 7 moves, the position of the cutting piece 3 can be adjusted, the cutting piece can be controlled to contact furniture timber through the hydraulic rod 8, and the furniture timber can be conveniently cut in all directions; starting a rotating motor 24, driving a rotating seat 22 to rotate through an output shaft of the rotating motor 24, and enabling a plurality of rollers 21 to move in the annular chute 20, so that the position of furniture timber can be conveniently adjusted, and cutting is convenient; the exhaust fan 17 is started, dust generated by cutting is conveyed into the dust removal box 33 through the dust collection cover 13 and the connecting pipe 14, and is discharged after being filtered and adsorbed by the first filter screen 16 and the second filter screen 32 in sequence, so that dust and dust are prevented from being sucked by people in a mess during cutting, the working environment of workers is improved, and the health of the workers is ensured.

The utility model has the advantages that:

1. through setting up fixed subassembly and centre gripping subassembly, rotate disc wheel 46 and drive threaded rod 25 rotation, under the effect of guide slot 26 and guide block 37, threaded rod 25 drives two movable blocks 37 and is close to each other or keep away from each other, simultaneously rotates two hand wheels 41 respectively, and hand wheels 41 drive fixed screw 42 rotation, under the effect of spacing groove 45 and stopper 44, two grip blocks 40 are close to furniture timber respectively to be convenient for carry out the clamp fixation to the furniture timber of different sizes, effectively improved the efficiency of cutting;

2. the exhaust fan 17 is started, dust generated by cutting is conveyed into the dust removal box 33 through the dust collection cover 13 and the connecting pipe 14, and is discharged after being filtered and adsorbed by the first filter screen 16 and the second filter screen 32 in sequence, so that dust and dust are prevented from being sucked by people when cutting, the working environment of workers is improved, and the health of the workers is ensured;

3. by arranging the moving assembly and the rotating assembly, the power motor 11 is started, the screw rod 2 drives the threaded block 7 to move left and right under the action of the sliding block 6 and the fixed rod 10, the cutting piece 3 can be controlled to move left and right when the threaded block 7 moves, the position of the cutting piece 3 can be adjusted, the cutting piece can be controlled to contact furniture timber through the hydraulic rod 8, and the furniture timber can be conveniently cut in all directions; the rotary motor 24 is started, the rotary seat 22 is driven to rotate by the output shaft of the rotary motor 24, and the plurality of rollers 21 move in the annular chute 20, so that the position of furniture timber is convenient to adjust, and cutting is convenient.

The circuit, the electronic components and the modules are all in the prior art, and can be completely realized by a person skilled in the art, and needless to say, the protection of the utility model does not relate to the improvement of software and a method.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. Cutting machine convenient to use, its characterized in that: comprises a bottom plate (28), mount (1) is fixedly installed on the top of mount (28), the inside of mount (1) is provided with the removal subassembly, the removal subassembly includes power motor (11), lead screw (2), screw thread piece (7), mounting panel (5), hydraulic stem (8), fixed shell (9), cutting motor (4) and cutting piece (3), one side fixedly connected with first motor casing (12) of mount (1), the inner chamber fixed mounting of first motor casing (12) has power motor (11), the output shaft of power motor (11) runs through mount (1) fixedly connected with lead screw (2), lead screw (2) are connected with mount (1) rotation through the bearing, the surface threaded connection of lead screw (2) has screw thread piece (7), the bottom fixedly connected with mounting panel (5) of screw thread piece (7), the bottom fixedly connected with hydraulic stem (8) of mounting panel (5), the output of hydraulic stem (8) is fixed with fixed shell (9), the inner chamber fixed mounting of cutting motor (4) of fixed mounting shell (9), the output shaft of the cutting motor (4) penetrates through the fixed shell (9) and extends to the outer end of the fixed shell (9) to be fixedly connected with the cutting piece (3).

2. A convenient-to-use cutter as defined in claim 1, wherein: the inside of mount (1) is located the top fixed mounting of lead screw (2) has dead lever (10), the surface sliding connection of dead lever (10) has sliding block (6), the top fixed connection of bottom and screw thread piece (7) of sliding block (6).

3. A convenient-to-use cutter as defined in claim 1, wherein: the top of bottom plate (28) is provided with rotating assembly, rotating assembly includes rotation seat (22), rotation motor (24), annular spout (20), guide arm (27), gyro wheel (21) and annular spout (20), the bottom fixedly connected with second motor casing (23) of bottom plate (28), the inner chamber fixed mounting of second motor casing (23) has rotation motor (24), the output shaft of rotation motor (24) runs through bottom plate (28) fixedly connected with rotation seat (22), annular spout (20) have been seted up at bottom plate (28) top, the inner chamber sliding connection of annular spout (20) has a plurality of gyro wheels (21), a plurality of the top of gyro wheel (21) is fixed mounting respectively has guide arm (27), a plurality of the top fixedly connected with of guide arm (27) is the same rotation seat (22).

4. A convenient-to-use cutter according to claim 3, wherein: the top of rotating seat (22) is provided with fixed subassembly, fixed subassembly includes threaded rod (25), movable block (37), hand wheel (41), guide way (35) and guide way (36), movable groove (26) have been seted up on the top of rotating seat (22), two the inner chamber of movable groove (26) is rotated through the bearing and is connected with threaded rod (25), the both ends of threaded rod (25) extend to the outer fixedly connected with hand wheel (41) of rotating seat (22) respectively, the surface threaded connection of threaded rod (25) has two movable blocks, be provided with two sections of rotation reverse screw threads on threaded rod (25), two movable block (37) are distributed on opposite screw threads respectively, two bottom fixedly connected with guide way (36) of movable block (37), two guide way (35) have been seted up to the bottom of movable groove (26), two guide way (36) respectively with two guide way (35) sliding connection.

5. A convenient-to-use cutter as defined in claim 4, wherein: two the top of movable block (37) is provided with clamping assembly respectively, clamping assembly includes fixed plate (38), mounting bracket (43), fixing screw (42), disc wheel (46), grip block (40) and rubber pad (39), two the top fixedly connected with fixed plate (38) of movable block (37), two the top fixedly mounted of fixed plate (38) has mounting bracket (43), the top threaded connection of mounting bracket (43) has fixing screw (42), the top fixedly connected with disc wheel (46) of fixing screw (42), fixing screw (42) are located inside being connected with grip block (40) through the bearing rotation of mounting bracket (43), the bottom fixedly connected with rubber pad (39) of grip block (40).

6. A convenient-to-use cutter as defined in claim 5, wherein: one side of the two mounting frames (43) is provided with a limiting groove (45), one side of the two clamping plates (40) is fixedly provided with a limiting block (44), and the two limiting blocks (44) are respectively and slidably connected with the two limiting grooves (45).

7. A convenient-to-use cutter as defined in claim 1, wherein: the dust removal device comprises a bottom plate (28), a dust removal box (33) is fixedly installed on the top end of the bottom plate (28) and the left side and the right side of a fixing frame (1), an exhaust fan (17) is fixedly installed in an inner cavity of the dust removal box (33) through a motor frame, a filter frame (15) is arranged in the inner cavity of the dust removal box (33), a first filter screen (16) and a second filter screen (32) are sequentially arranged on the filter frame (15) from top to bottom, a connecting pipe (14) is fixedly installed on the side walls of the left side and the right side of the fixing frame (1), and a dust hood (13) is fixedly connected to one end of the connecting pipe (14).

8. A convenient-to-use cutter as defined in claim 7, wherein: sliding grooves (31) are respectively formed in the side walls of the left side and the right side of the inner cavity of the dust removal box (33), sliding blocks (30) are respectively formed in the left side and the right side of the filtering frame (15), and the two sliding blocks (30) are respectively connected with the two sliding grooves (31) in a sliding mode.

9. A convenient-to-use cutter as defined in claim 7, wherein: an exhaust outlet (18) is formed in one side of each dust removing box (33), and a ventilation net (29) is arranged at the position of each dust removing box (33) located at the exhaust outlet (18).

10. A convenient-to-use cutter as defined in claim 1, wherein: support legs (19) are fixedly arranged on the left side and the right side of the bottom end of the bottom plate (28), and the number of the support legs (19) is four.