CN112935911A

CN112935911A - Cutting device for machining with noise reduction and noise reduction functions

Info

Publication number: CN112935911A
Application number: CN202110159782.3A
Authority: CN
Inventors: 华国新
Original assignee: Zhejiang Guangxia Construction Vocational and Technical University
Current assignee: Zhejiang Guangxia Construction Vocational and Technical University
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-06-11

Abstract

The embodiment of the invention relates to the field of machining, and particularly discloses a noise-reducing and noise-reducing cutting device for machining, wherein a rotating cutting knife is enabled to move downwards through a height-adjusting mechanism, so that a workpiece fixed on a supporting platform is cut; the protective cover can play a protective role, so that scraps are prevented from splashing when the workpiece is cut, and the noise generated in the cutting process of the workpiece can be further reduced by the arranged honeycomb sponge plate; when the cutting motor drives the cutting knife to rotate, the induced draft fan blades can be driven to rotate, and then flowing air flow can be formed in the driving box under the action of the induced draft fan blades, so that the air flow in the driving box is accelerated, and the heat dissipation effect on the cutting motor is favorably ensured; through the first honeycomb sponge piece, second honeycomb sponge piece and the third honeycomb sponge piece that set up, can improve the effect of amortization noise reduction.

Description

Cutting device for machining with noise reduction and noise reduction functions

Technical Field

The embodiment of the invention relates to the field of machining, in particular to a cutting device for machining, which is used for noise reduction.

Background

The cutting device is the most widely used general tool in industrial application, can be used in a plurality of fields such as metal material cutting, plate cutting, home decoration in industry, of course, the application field is different, and its structure is slightly different, but the overall structure is mostly similar. A common disadvantage of this type of cutting tool is that it is noisy.

The invention discloses a noise reduction cutting tool as disclosed in Chinese patent with publication number CN 104552394A, comprising: base, motor, cutting blade and the device of making an uproar falls, cutting blade links to each other in order to realize rotatoryly with the pivot of motor, the device of making an uproar includes: the cutting blade sound absorption structure comprises a shell for partially accommodating the cutting blade and a sound absorption structure body arranged inside the shell, wherein the motor and the shell are fixedly connected with a base. As also disclosed in chinese patent document No. CN 107553579a, the present invention discloses a noise reduction type plate cutting machine, which includes a worktable, a supporting frame, a sliding plate, a driving mechanism, a cutting mechanism, a clamping member, and a noise reduction plate; the upper surface of the workbench is downwards recessed to form a groove, clamping pieces are symmetrically arranged on the upper surface of the workbench at two sides of the groove respectively, two opposite sides of the workbench are provided with supporting frames capable of sliding along the length direction of the workbench respectively, a sliding plate is horizontally arranged between the two supporting frames, a driving mechanism is arranged on the sliding plate in a sliding manner, and the lower end of the driving mechanism is connected with a cutting mechanism through a telescopic column; the both sides that the upper surface of workstation lies in the recess still respectively vertically are provided with two piece at least boards of making an uproar fall, fall the board of making an uproar and be provided with a plurality of sound holes of inhaling respectively towards one side of recess, inhale and fill in the sound hole and have the sound absorbing material. For another example, chinese patent document CN 109756060a discloses a motor capable of absorbing shock and reducing noise, which relates to the field of motors. This but vibration/noise reduction's motor, including the motor, the bottom fixedly connected with motor cabinet of motor, the lower surface overlap joint of motor cabinet has the backup pad, the dashpot has been seted up to the upper surface of backup pad, the lower surface of motor cabinet is located the inside fixedly connected with support of dashpot, the one end fixedly connected with shaft of motor cabinet is kept away from to the support, the left side fixedly connected with connecting plate of support, the left side overlap joint of backup pad has the curb plate, the bottom fixedly connected with bottom plate of curb plate.

But the cutting device structure that foretell technical scheme provided is more single, and it is not good to carry out the effect of amortization noise reduction in the cutting process to the work piece in specific use, can't satisfy the requirement, has reduced cutting device's practicality.

Disclosure of Invention

An embodiment of the present invention provides a cutting device for machining with noise reduction and noise reduction to solve the problems in the background art. In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:

a cutting device for machining with noise reduction and noise reduction comprises a supporting platform, wherein the supporting platform is supported and arranged on a base through an elastic supporting mechanism, supporting stand columns are fixedly arranged on the upper surfaces of two sides of the supporting platform, a supporting top beam is fixedly arranged between the top ends of the two supporting stand columns, and a height adjusting mechanism for adjusting the height of a lifting cross beam is arranged on the supporting top beam;

a driving box is fixedly arranged on the lower surface of the middle part of the lifting cross beam, a driving shaft is rotatably arranged on a bottom plate of the driving box, a cutting knife is fixedly arranged on the driving shaft in a notification manner, and the lower part of the cutting knife extends to the position below the bottom plate of the driving box; a cutting motor for driving the cutting knife to rotate is further arranged on one side in the driving box, and an output shaft of the cutting motor is in transmission connection with the driving shaft in a gear meshing mode, so that the cutting knife can be driven to rotate by the cutting motor which is connected with a power supply and started, and further a workpiece is cut;

a first channel is formed in one side of the driving box, a first vent hole communicated with the inner cavity of the driving box is formed in the first channel, and a second honeycomb sponge block which is opposite to the first vent hole is further arranged in the first channel; a second channel is formed in the other side of the driving box, a second vent hole communicated with the inner cavity of the driving box is formed in the second channel, and a third honeycomb sponge block facing the second vent hole is further arranged in the second channel; a rotating shaft is further rotatably arranged in the driving box, an induced draft fan blade is coaxially arranged on the rotating shaft, and the rotating shaft is linked with an output shaft of the cutting motor in a chain wheel transmission mode; and a first honeycomb sponge block is further arranged on the inner wall of the driving box.

As a further scheme of the embodiment of the invention: and lifting sliding sleeves are fixedly arranged at two ends of the lifting cross beam and are respectively sleeved on the two supporting stand columns in a sliding manner.

As a further scheme of the embodiment of the invention: two the inboard of support post is all fixed and is provided with electric telescopic handle, two the grip block is all installed to electric telescopic handle's flexible end, utilizes electric telescopic handle's flexible function, can promote the grip block motion to pressing from both sides tightly fixedly to the work piece of placing on supporting platform.

As a further scheme of the embodiment of the invention: the supporting platform is further provided with a cutting groove located right below the cutting knife, a material guide channel communicated with the cutting groove is further formed in the supporting platform, and waste residues in the cutting knife are discharged through the material guide channel.

As a further scheme of the embodiment of the invention: the outer lane over-and-under type cover of drive case is equipped with the protection casing, the protection casing is located through the passageway cover that sets up on it on the drive case, the lower surface of protection casing is provided with honeycomb sponge board, wherein, the second guide way has been seted up on the outer wall of drive case, fixedly on the inner wall of passageway be provided with the second guide block of second guide way looks adaptation, the second guide block support slides and locates in the second guide way, just the top of second guide way with support through the third spring between the second guide block and connect.

As a further scheme of the embodiment of the invention: heightening mechanism runs through including rotating and locates support rotatory swivel nut on the back timber, rotatory swivel nut is located through threaded connection mode cover heightening on the lead screw, heightening mechanism is still including being used for the drive rotatory just reverse servo motor of rotatory swivel nut, wherein, just reverse servo motor installs support on the back timber, heightening the bottom of lead screw with drive case fixed connection.

As a further scheme of the embodiment of the invention: the elastic supporting mechanism comprises a supporting seat fixedly mounted on the lower surface of the middle part of the supporting platform, the lower surface of the middle part of the supporting seat is hinged with a supporting connecting rod, a supporting cavity is formed in the base, a supporting sliding block is arranged in the supporting cavity in a supporting and sliding mode, the other end of the supporting connecting rod is hinged with the supporting sliding block, an adjusting sliding block is further arranged in the supporting cavity in a position-adjustable mode, and the adjusting sliding block is connected with the supporting sliding block through a second spring; the tip that supports the chamber runs through threaded connection mode and is provided with the lead screw, is located the lead screw tip that supports the intracavity with rotate between the adjusting slide and be connected, the fixed operating handle that is provided with in outer end of lead screw, consequently, can drive the lead screw rotatory when operating handle, and then according to the direction of rotation of lead screw, can adjust the position that the adjusting slide is located in supporting the chamber to can adjust the buffer stroke of second spring.

As a further scheme of the embodiment of the invention: a moving sliding block is arranged on the upper surface of the base in a supporting and sliding manner, an inclined plane at the top end of the moving sliding block is connected with the end part of the supporting seat in a supporting and sliding manner, fixed side plates are fixedly arranged at two ends of the base, and the fixed side plates are connected with the moving sliding block through first springs in a supporting manner; the supporting platform is characterized in that a first guide groove is formed in the outer wall of the fixed side plate, a supporting rod is fixedly arranged on the lower surface of the end portion of the supporting platform, a first guide block is fixedly arranged at the bottom end of the supporting rod, and the first guide block is arranged in the first guide groove in a supporting and sliding mode.

Compared with the prior art, the embodiment of the invention has the beneficial effects that: when the rotating screw sleeve is driven to rotate by a forward and reverse rotating servo motor which is connected with a power supply and started, the height position of the heightening screw rod can be adjusted according to the rotating direction of the rotating screw sleeve, and then the height of the driving box is adjusted, so that the height of the driving box is adjusted, a rotating cutting knife can move downwards, and a workpiece fixed on a supporting platform is cut; the protective cover can play a protective role, so that scraps are prevented from splashing when the workpiece is cut, and the noise generated in the cutting process of the workpiece can be further reduced by the arranged honeycomb sponge plate; when the cutting motor drives the cutting knife to rotate, the induced draft fan blades can be driven to rotate, and then flowing air flow can be formed in the driving box under the action of the induced draft fan blades, so that the air flow in the driving box is accelerated, and the heat dissipation effect on the cutting motor is favorably ensured; the first honeycomb sponge block, the second honeycomb sponge block and the third honeycomb sponge block are arranged, so that the effects of noise reduction and noise reduction can be improved; in the elastic supporting mechanism provided by the embodiment of the invention, the second spring and the first spring are arranged, so that a good buffering effect can be achieved on the vibration of the supporting platform in the vertical direction, a damping and noise reducing effect can be achieved, and the influence of noise generated in the process of cutting and processing a workpiece on the processing environment can be avoided.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

Fig. 1 is a schematic structural diagram of a machining cutting device with noise reduction and noise reduction according to an embodiment of the present invention.

Fig. 2 is a view showing an internal structure of a driving box in the noise-reducing and noise-reducing cutting apparatus for machining according to the present invention.

Fig. 3 is an enlarged structural view of a portion a in fig. 1.

Fig. 4 is an enlarged structural view of a portion B in fig. 1.

Fig. 5 is a perspective view of a shield cover of the cutting apparatus for machining with noise reduction according to the present invention.

In the figure: 1-supporting platform, 2-supporting upright post, 3-lifting beam, 4-supporting top beam, 5-lifting sliding sleeve, 6-driving box, 7-electric telescopic rod, 8-clamping block, 9-cutting groove, 10-guiding channel, 11-cutting knife, 12-protective cover, 13-honeycomb sponge plate, 14-base, 15-supporting cavity, 16-supporting connecting rod, 17-supporting seat, 18-moving slide block, 19-fixed side plate, 20-first spring, 21-supporting slide block, 22-second spring, 23-adjusting slide block, 24-screw rod, 25-operating handle, 26-first guiding groove, 27-supporting rod, 28-first guiding block, 29-channel, 30-second guiding block, 31-a cutting motor, 32-a first honeycomb sponge block, 33-a driving shaft, 34-a rotating shaft, 35-an induced draft fan blade, 36-a first channel, 37-a second honeycomb sponge block, 38-a first vent hole, 39-a second channel, 40-a third honeycomb sponge block, 41-a second vent hole, 42-a rotating screw sleeve, 43-a forward and reverse rotation servo motor, 44-a height adjusting screw rod, 45-a second guide groove and 46-a third spring.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in fig. 1, in the embodiment of the present invention, a cutting device for machining with noise reduction and noise reduction functions includes a supporting platform 1, where the supporting platform 1 is supported by an elastic supporting mechanism and disposed on a base 14, supporting columns 2 are fixedly disposed on upper surfaces of two sides of the supporting platform 1, a supporting top beam 4 is fixedly disposed between top ends of the two supporting columns 2, and a height adjusting mechanism for adjusting a height of a lifting beam 3 is disposed on the supporting top beam 4; the two ends of the lifting beam 3 are both fixedly provided with a lifting sliding sleeve 5, and the two lifting sliding sleeves 5 are respectively sleeved on the two supporting columns 2 in a sliding manner.

Further, as shown in fig. 1-2, in a preferred embodiment of the present invention, a driving box 6 is fixedly disposed on a lower surface of a middle portion of the lifting beam 3, a driving shaft 33 is rotatably disposed on a bottom plate of the driving box 6, a cutting knife 11 is fixedly disposed on the driving shaft 33, and a lower portion of the cutting knife 11 extends to below the bottom plate of the driving box 6; one side still is provided with in the drive case 6 and is used for the drive the rotatory cutting motor 31 of cutting knife 11, wherein, the output shaft of cutting motor 31 with through gear engagement mode transmission connection between the drive shaft 33, consequently, can utilize the cutting motor 31 drive cutting knife 11 rotation that inserts the power and start-up, and then cut processing to the work piece.

Furthermore, in the embodiment of the present invention, a first channel 36 is formed at one side of the driving box 6, a first vent hole 38 communicated with the inner cavity of the driving box 6 is formed in the first channel 36, and the first channel 36 is further provided with a second honeycomb sponge block 37 facing the first vent hole 38; a second channel 39 is formed in the other side of the driving box 6, a second vent hole 41 communicated with the inner cavity of the driving box 6 is formed in the second channel 39, and a third honeycomb sponge block 40 opposite to the second vent hole 41 is further arranged in the second channel 39; the driving box 6 is also rotatably provided with a rotating shaft 34, the rotating shaft 34 is coaxially provided with an induced draft fan blade 35, and the rotating shaft 34 is linked with the output shaft of the cutting motor 31 in a chain wheel transmission mode, so that when the cutting motor 31 drives the cutting knife 11 to rotate, the induced draft fan blade 35 can be driven to rotate, and then under the action of the induced draft fan blade 35, flowing air flow can be formed in the driving box 6, so that the air flow in the driving box 6 is accelerated, and the heat dissipation effect on the cutting motor 31 is favorably ensured; and still be provided with first honeycomb sponge block 32 on the inner wall of drive box 6, through the first honeycomb sponge block 32, second honeycomb sponge block 37 and the third honeycomb sponge block 40 that set up, can improve the effect of amortization noise reduction.

Example 2

With reference to fig. 1, in the preferred embodiment of the present invention, the inner sides of the two support columns 2 are both fixedly provided with an electric telescopic rod 7, the telescopic ends of the two electric telescopic rods 7 are both provided with a clamping block 8, and the clamping block 8 can be pushed to move to clamp and fix the workpiece placed on the support platform 1 by using the telescopic function of the electric telescopic rod 7; the supporting platform 1 is further provided with a cutting groove 9 located right below the cutting knife 11, a material guide channel 10 communicated with the cutting groove 9 is further formed in the supporting platform 1, and waste residues in the cutting knife 11 are discharged through the material guide channel 10.

Further, as shown in fig. 1 and 5, a protective cover 12 is sleeved on the outer ring of the driving box 6 in a lifting manner, the protective cover 12 is sleeved on the driving box 6 through a channel 29 formed in the protective cover 12, a honeycomb sponge plate 13 is arranged on the lower surface of the protective cover 12, a second guide groove 45 is formed in the outer wall of the driving box 6, a second guide block 30 matched with the second guide groove 45 is fixedly arranged on the inner wall of the channel 29, the second guide block 30 is slidably arranged in the second guide groove 45 in a supporting manner, and the top of the second guide groove 45 is connected with the second guide block 30 in a supporting manner through a third spring 46.

It can be understood that, in the embodiment of the present invention, the protective cover 12 can play a protective role to prevent scraps from splashing when the workpiece is cut, and the honeycomb sponge plate 13 can further reduce noise generated in the cutting process of the workpiece.

Example 3

With continuing reference to fig. 1 and fig. 3, in a preferred embodiment of the present invention, the height-adjusting mechanism includes a rotary screw sleeve 42 rotatably penetrating the supporting top beam 4, the rotary screw sleeve 42 is sleeved on the height-adjusting screw rod 44 through a threaded connection, the height-adjusting mechanism further includes a forward and backward rotation servo motor 43 for driving the rotary screw sleeve 42 to rotate, wherein the forward and backward rotation servo motor 43 is installed on the supporting top beam 4, and the bottom end of the height-adjusting screw rod 44 is fixedly connected to the driving box 6, so that when the rotary screw sleeve 42 is driven to rotate by the forward and backward rotation servo motor 43 which is powered on and started up, the height position of the height-adjusting screw rod 44 can be adjusted according to the rotation direction of the rotary screw sleeve 42, and further the height of the driving box 6 is adjusted, so as to adjust the height of the driving box 6, and thus the rotary cutting knife 11 can move downward, and then the workpiece fixed on the supporting platform 1 is cut.

Example 4

With reference to fig. 1 and 4, in a preferred embodiment of the present invention, the elastic supporting mechanism includes a supporting seat 17 fixedly installed on a lower surface of a middle portion of the supporting platform 1, a supporting link 16 is hinged to the lower surface of the middle portion of the supporting seat 17, a supporting cavity 15 is formed on the base 14, a supporting slider 21 is slidably supported in the supporting cavity 15, another end of the supporting link 16 is hinged to the supporting slider 21, the supporting cavity 15 is further provided with an adjusting slider 23 with an adjustable position, and the adjusting slider 23 is connected to the supporting slider 21 through a second spring 22; the tip that supports chamber 15 runs through threaded connection mode and is provided with lead screw 24, is located 24 tip of lead screw in the support chamber 15 with rotate between the regulating slide 23 and be connected, the fixed operating handle 25 that is provided with in outer end of lead screw 24, consequently, can drive lead screw 24 rotatory when operating handle 25, and then according to the direction of rotation of lead screw 24, can adjust the position that regulating slide 23 located in supporting chamber 15 to can adjust the buffer stroke of second spring 22.

Further, in a preferred embodiment provided by the present invention, a moving slider 18 is slidably supported on an upper surface of the base 14, an inclined surface at a top end of the moving slider 18 is slidably supported on an end of the supporting seat 17, fixed side plates 19 are fixedly disposed at both ends of the base 14, and the fixed side plates 19 are slidably supported on the moving slider 18 through a first spring 20; first guide way 26 has been seted up on the outer wall of fixed curb plate 19, the fixed branch 27 that is provided with of tip lower surface of supporting platform 1, the bottom mounting of branch 27 is provided with first guide block 28, first guide block 28 supports to slide and locates in the first guide way 26.

In the elastic supporting mechanism provided by the embodiment of the invention, the second spring 22 and the first spring 20 are arranged, so that a good buffering effect can be achieved on the vibration of the supporting platform 1 in the vertical direction, a shock absorption and noise reduction effect can be achieved, and the influence of noise generated in the process of cutting and processing a workpiece on the processing environment can be avoided.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The cutting device for machining is noise-reducing and noise-reducing, and is characterized by comprising a supporting platform (1), wherein the supporting platform (1) is supported and arranged on a base (14) through an elastic supporting mechanism;

the upper surfaces of two sides of the supporting platform (1) are respectively and fixedly provided with a supporting upright post (2), and a supporting top beam (4) is fixedly arranged between the top ends of the two supporting upright posts (2);

the supporting top beam (4) is provided with a height adjusting mechanism for adjusting the height of the lifting cross beam (3);

a driving box (6) is fixedly arranged on the lower surface of the middle part of the lifting cross beam (3), a driving shaft (33) is rotatably arranged on a bottom plate of the driving box (6), a cutting knife (11) is fixedly arranged on the driving shaft (33) in a notification manner, and the lower part of the cutting knife (11) extends to the lower part of the bottom plate of the driving box (6); a cutting motor (31) for driving the cutting knife (11) to rotate is further arranged on one side in the driving box (6), wherein an output shaft of the cutting motor (31) is in transmission connection with the driving shaft (33) in a gear meshing mode;

a first channel (36) is formed in one side of the driving box (6), a first vent hole (38) communicated with the inner cavity of the driving box (6) is formed in the first channel (36), and a second honeycomb sponge block (37) opposite to the first vent hole (38) is further arranged in the first channel (36); a second channel (39) is formed in the other side of the driving box (6), a second vent hole (41) communicated with the inner cavity of the driving box (6) is formed in the second channel (39), and a third honeycomb sponge block (40) opposite to the second vent hole (41) is further arranged in the second channel (39); a rotating shaft (34) is further rotatably arranged in the driving box (6), an induced draft fan blade (35) is coaxially arranged on the rotating shaft (34), and the rotating shaft (34) is linked with an output shaft of the cutting motor (31) in a chain wheel transmission mode; and a first honeycomb sponge block (32) is also arranged on the inner wall of the driving box (6).

2. The noise-reducing and noise-reducing cutting device for machining according to claim 1, wherein two ends of the lifting beam (3) are fixedly provided with lifting sliding sleeves (5), and the two lifting sliding sleeves (5) are respectively slidably sleeved on the two supporting columns (2).

3. The noise-reducing and noise-reducing cutting device for machining is characterized in that electric telescopic rods (7) are fixedly arranged on the inner sides of the two supporting columns (2), and clamping blocks (8) are mounted at the telescopic ends of the two electric telescopic rods (7).

4. The cutting device for machining with noise reduction and noise reduction functions according to claim 3, wherein the supporting platform (1) is further provided with a cutting groove (9) located right below the cutting knife (11), and the supporting platform (1) is further provided with a material guide channel (10) communicated with the cutting groove (9).

5. The noise-reducing and noise-reducing cutting apparatus for machining according to any one of claims 2 to 4, it is characterized in that a protective cover (12) is sleeved on the outer ring of the driving box (6) in a lifting way, the protective cover (12) is sleeved on the driving box (6) through a channel (29) formed in the protective cover, a honeycomb sponge plate (13) is arranged on the lower surface of the protective cover (12), wherein, the outer wall of the driving box (6) is provided with a second guide groove (45), a second guide block (30) matched with the second guide groove (45) is fixedly arranged on the inner wall of the channel (29), the second guide block (30) is supported and slidably arranged in the second guide groove (45), and the top of the second guide groove (45) is in supporting connection with the second guide block (30) through a third spring (46).

6. The noise-reducing and noise-reducing cutting device for machining according to any one of claims 1 to 4, wherein the heightening mechanism comprises a rotary threaded sleeve (42) rotatably penetrating the supporting top beam (4), the rotary threaded sleeve (42) is sleeved on the heightening screw rod (44) in a threaded connection manner, the heightening mechanism further comprises a forward and reverse rotation servo motor (43) for driving the rotary threaded sleeve (42) to rotate, the forward and reverse rotation servo motor (43) is mounted on the supporting top beam (4), and the bottom end of the heightening screw rod (44) is fixedly connected with the driving box (6).

7. The noise-reducing and noise-reducing cutting device for machining according to claim 5, wherein the elastic supporting mechanism comprises a supporting seat (17) fixedly mounted on a middle lower surface of the supporting platform (1), a supporting connecting rod (16) is hinged to the middle lower surface of the supporting seat (17), a supporting cavity (15) is formed in the base (14), a supporting slider (21) is slidably arranged in the supporting cavity (15), the other end of the supporting connecting rod (16) is hinged to the supporting slider (21), an adjusting slider (23) is further arranged in the supporting cavity (15) in a position-adjustable manner, and the adjusting slider (23) is connected with the supporting slider (21) through a second spring (22).

8. The noise-reducing and noise-reducing cutting device for machining is characterized in that a screw rod (24) penetrates through the end of the supporting cavity (15) in a threaded connection mode, the end of the screw rod (24) located in the supporting cavity (15) is rotatably connected with the adjusting slider (23), and an operating handle (25) is fixedly arranged at the outer end of the screw rod (24).

9. The noise-reducing and noise-reducing cutting device for machining according to claim 8, wherein a moving slider (18) is slidably supported on an upper surface of the base (14), a top inclined surface of the moving slider (18) is slidably supported on an end of the supporting base (17), fixed side plates (19) are fixedly arranged at both ends of the base (14), and the fixed side plates (19) are slidably supported on the moving slider (18) through first springs (20).

10. The cutting device for machining with the noise reduction and noise reduction functions according to claim 9, wherein a first guide groove (26) is formed in the outer wall of the fixed side plate (19), a support rod (27) is fixedly arranged on the lower surface of the end portion of the supporting platform (1), a first guide block (28) is fixedly arranged at the bottom end of the support rod (27), and the first guide block (28) is slidably arranged in the first guide groove (26).