CN116532717A

CN116532717A - Swinging platform and sawing machine

Info

Publication number: CN116532717A
Application number: CN202310400996.4A
Authority: CN
Inventors: 杨正华
Original assignee: Dongguan Baofengda Machinery Technology Co ltd
Current assignee: Dongguan Baofengda Machinery Technology Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-08-04

Abstract

The utility model discloses a swingable platform and a sawing machine, and belongs to the sawing machine technology. The utility model comprises a swinging platform and a sawing machine with the swinging platform, wherein the swinging platform comprises a swinging platform, a tilting mechanism and a feeding platform, a swinging platform frame of the swinging platform is connected with a swinging platform base through a rotating shaft, the tilting mechanism is arranged at the bottom of the swinging platform, a lifting platform of the tilting mechanism is fixedly connected with the swinging platform base, the feeding platform is fixedly arranged on the upper surface of the swinging platform, and a clamp is arranged on the swinging platform frame. The sawing machine comprises a swinging platform, a base, a portal frame, a saw blade, a belt pressing mechanism and a chip removing mechanism, the saw blade of the sawing machine is driven to lift through a motor, the feeding platform is provided with independent rear pincers, front pincers and a double-speed chain for discharging, the chip removing mechanism is arranged below the saw belt, the whole machine operates in a full-mechanized mode, a workpiece is driven to rotate through the swinging platform, the contact area between the saw belt and the workpiece is reduced, heating is reduced, abrasion of the saw belt is reduced, and the service life of the saw belt is prolonged.

Description

Swinging platform and sawing machine

Technical Field

The utility model belongs to the technical field of sawing machines, and particularly relates to a swingable platform and a sawing machine.

Background

Currently, sawing machines are widely used for cutting wood, stone, metal, etc., and different saw blades are selected according to the material to be cut. When the sawing machine is used, the saw blade can be contacted with three surfaces of a workpiece, so that the saw blade is heated and worn rapidly, water or cooling liquid is sprayed to cool the saw blade during cutting in order to prolong the service life of the saw blade, or the contact area between the saw blade and the workpiece is reduced, and the method for ensuring that the workpiece is not moved and the angle of the saw blade is changed in order to reduce the contact area between the saw blade and the workpiece is generally ensured. As shown in fig. 1, the intelligent sawing machine with adjustable angle is disclosed in chinese patent 2021203127230, and the installation frame is driven by the rotation shaft to slide in the chute, so that the installation frame drives the sawing machine to adjust the angle of the driving body. However, the angle adjustment can be carried out at +22.5 degrees/22.5 degrees, the adjustment range is too small, and the saw blade is still in contact with a workpiece in a large area, so that abrasion is caused, therefore, the swinging platform and the sawing machine are provided, and the problems of single function and poor comfort in the prior art are solved.

Disclosure of Invention

The utility model aims to provide a swingable platform and a sawing machine, and aims to solve the problems that in the prior art, the contact area between a saw belt and a workpiece of the existing sawing machine is too large, so that heat and abrasion are generated, and the service life is influenced. In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a but swing platform and possess this swing platform's saw cut machine, but wherein, swing platform includes pendulum platform, tilting mechanism and pay-off platform, and the pendulum platform frame and the pendulum platform base pivot of pendulum platform are connected, and tilting mechanism installs in the bottom of pendulum platform and tilting mechanism's elevating platform and pendulum platform base fixed connection, and pay-off platform fixed mounting is equipped with the clamp at the upper surface of pendulum platform on the pendulum platform frame. When the tilting mechanism works, the lifting table drives the swinging table to swing, so that a workpiece arranged on the feeding table swings. The contact between the saw belt and the workpiece is reduced by adjusting the angle of the workpiece, and meanwhile, the sawn area is enabled to quickly dissipate heat, so that the service life of the saw belt is prolonged.

Further, the clamp on the swing bench comprises a front clamp and a rear clamp, the rear clamp comprises two pairs of clamps and is slidably arranged on the moving clamp guide post, the moving clamp motor drives the screw rod to drive the rear clamp to move on the moving clamp guide post, and the clamping motor drives the clamp to be tight through the driving screw rod. The rear clamp is used for clamping and moving the rear half section of the workpiece, and the front clamp is used for clamping the front half section which is cut off.

Further, the tilting mechanism comprises a tilting driving device, a tilting transmission shaft, a lifting platform and a rotating seat, wherein the tilting driving device is arranged on the rotating seat and drives the lifting platform to lift, the tilting driving device drives the other lifting platform to lift through the tilting transmission shaft, and the tilting transmission shaft is favorable for tilting synchronism and reduces a power device. The inclination driving device is driven by a motor preferentially, so that the inclination angle can be controlled accurately.

Further describing the foregoing scheme, the feeding table includes a feeding motor, a double-speed chain and a roller, wherein the roller is arranged above the rear clamp, and the roller is unpowered and directly depends on the power of the rear clamp to change the position of the workpiece. The double-speed chain is arranged above the front clamp, and the feeding motor drives the double-speed chain to run so as to drive the cut workpiece to run forwards.

The utility model provides a saw cutting machine, but including foretell swing platform, but still include base, portal frame, saw sword, belt pressing mechanism and chip removal mechanism, swing platform base, tilting mechanism's roating seat and portal frame fixed mounting are on the base, and saw sword and belt pressing mechanism pass through the guide rail to be installed on the portal frame, but swing platform installs in saw sword, belt pressing mechanism's below, chip removal mechanism installs on the base and sets up under the saw sword. The sawing machine changes the angle of a workpiece so as to reduce the contact between the saw belt and the workpiece, reduce the contact area between the saw belt and the workpiece, further reduce the heating and the abrasion and prolong the service life of the saw belt.

Further describing the scheme, saw blade lifting motors, screw rod transmission shafts, lifting screw rods and lifting sliding rails are arranged on the back surfaces of two vertical beams of the portal frame, the lifting screw rods on one side are driven by the lifting motors, the lifting screw rods on the other side are driven by the driving screw rod transmission shafts to rotate, and a belt pressing guide rail and a rack are arranged on the front portion of a beam of the portal frame. The portal frame is mainly used for installing the saw blade and driving the saw blade to move up and down.

Further, the saw blade is arranged on the lifting screw rod and the lifting slide rail through the screw rod nut and the guide rail seat. The saw blade comprises a saw blade motor, a worm wheel, a saw disc and a saw belt, wherein the saw blade motor drives the saw disc through the worm and the worm wheel, and the saw disc drives the saw belt to run, so that the workpiece is cut. The saw blade is also provided with an auxiliary cylinder, one end of the auxiliary cylinder is arranged on the base, and the other end of the auxiliary cylinder is arranged on the saw blade frame; the saw disc is internally provided with a saw band tensioning mechanism and a saw band cleaning mechanism, the saw band tensioning mechanism is used for adjusting tightness of the saw band, and the saw band cleaning mechanism is used for cleaning the saw band and preventing foreign matters from entering the saw disc.

Further, the belt pressing mechanism is arranged on a belt pressing guide rail of the portal frame beam and comprises two belt pressing arms, the belt pressing arms are internally provided with belt pressing driving motors for driving the belt pressing arms to run on racks, rollers, belt pressing alloy sheets and cutting liquid spray nozzles are arranged at the bottoms of the belt pressing arms, and saw belts penetrate through the rollers and the belt pressing alloy sheets at the bottoms of the belt pressing arms. The belt pressing mechanism is used for guiding the saw belt, and the cutting liquid spraying nozzle sprays cooling liquid to cool and remove dust on the saw belt.

Further describing the scheme, the sawing machine further comprises a central control system and a sensing system, wherein the central control system is electrically connected with the sensing system, the motor and the electromagnetic valve, and closed-loop and automatic control is achieved.

Compared with the prior art, the utility model designs the swingable platform, and the workpiece is driven to rotate by the swingable platform under the condition that the angle of the saw belt is not changed, so that the contact between the saw belt and the workpiece is reduced, the contact area between the saw belt and the workpiece is reduced, the heating is reduced, the abrasion of the saw belt is reduced, and the service life of the saw belt is prolonged. Meanwhile, the saw blade is driven to lift through a motor, the feeding table is provided with independent rear pincers, front pincers and a speed-doubling chain for discharging, a chip removing mechanism is arranged below the saw belt, and the whole saw blade is operated in a full-mechanized mode, so that the production efficiency is effectively improved.

Drawings

FIG. 1 is a schematic diagram of the present utility model of China patent 2021203127230;

FIG. 2 is a schematic overall view of embodiment 1 of the present utility model;

FIG. 3 is an exploded view of the present utility model according to example 1;

FIG. 4 is a schematic view of a tilting mechanism according to embodiment 1 of the present utility model;

FIG. 5 is a schematic diagram of a feeding table according to embodiment 1 of the present utility model;

FIG. 6 is a schematic diagram of a swing table according to embodiment 1 of the present utility model;

fig. 7 is a schematic view of the bottom of the swing table according to embodiment 1 of the present utility model;

FIG. 8 is a schematic front view of embodiment 1 of the present utility model;

FIG. 9 is a reference diagram of the usage status provided in embodiment 1 of the present utility model;

FIG. 10 is a schematic overall view of embodiment 2 of the present utility model;

FIG. 11 is a schematic view of another embodiment of the present utility model according to embodiment 2;

FIG. 12 is an exploded view of embodiment 2 of the present utility model;

fig. 13 is a schematic view of a gantry provided in embodiment 2 of the present utility model;

fig. 14 is a schematic view of a belt pressing mechanism according to embodiment 2 of the present utility model;

FIG. 15 is a schematic view of a saw blade according to embodiment 2 of the present utility model;

FIG. 16 is a schematic view of a saw belt tensioner according to embodiment 2 of the present utility model;

FIG. 17 is a schematic view of a saw blade power mechanism according to embodiment 2 of the present utility model;

fig. 18, 19 and 20 are reference diagrams of working states provided in embodiment 2 of the present utility model;

fig. 21 is a schematic view of a workpiece according to embodiment 2 of the present utility model.

Wherein, each reference sign in the figure:

1. a swinging table; 11. a swing rack; 12. front pincers; 13. a rear clamp; 131. a moving clamp motor; 132. a moving clamp guide post; 133. clamping the motor; 14. a swing table base; 15. a clamp; 151. a buffer member; 2. a tilting mechanism; 21. a tilt driving device; 22. tilting the transmission shaft; 23. a lifting table; 24. a rotating seat; 3. a feeding table; 31. a feeding motor; 32. a double speed chain; 33. a roller; 4. a work piece; 5. a base; 6. a portal frame; 61. an auxiliary cylinder; 62. a saw blade lifting motor; 621. a screw rod transmission shaft; 622. lifting the screw rod; 63. lifting the sliding rail; 7. sawing; 71. a saw motor; 72. a worm; 73. a turbine; 74. a saw disc; 75. sawing the belt; 76. saw band tensioning device; 77. a guide rail seat; 78. a screw nut; 79. a saw belt cleaning mechanism; 8. a belt pressing mechanism; 81. a belt pressing arm; 82. a belt pressing guide rail; 83. a belt pressing driving motor; 84. cutting a liquid spray nozzle; 85. a rack; 86. a roller; 9. and a chip removing mechanism.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Example 1

Referring to fig. 2-9, the present application provides a swingable platform, which includes a swing platform 1, a tilting mechanism 2 and a feeding platform 3, wherein a swing platform frame 11 of the swing platform 1 is connected with a swing platform base 14 through a rotating shaft, the tilting mechanism 2 is installed at the bottom of the swing platform 1, a lifting platform 23 of the tilting mechanism 2 is fixedly connected with the swing platform base 14, the feeding platform 3 is fixedly installed on the upper surface of the swing platform 1, a clamp 15 is provided on the swing platform frame 11, and a buffer piece 151 for protecting a workpiece 4 is provided on the inner side of the clamp 15. When the tilting mechanism 2 works, the lifting table 23 drives the swinging table 1 to swing, so that the workpiece 4 arranged on the feeding table 3 swings. The saw band 75 is reduced in contact with the workpiece 4 by adjusting the angle of the workpiece 4, and the sawn region is enabled to quickly dissipate heat, so that the service life of the saw band 75 is prolonged.

As shown in fig. 6 and 7, the clamp 15 on the swing bench 11 includes a front clamp 12 and a rear clamp 13, the rear clamp 13 includes two pairs of clamps 15 and is slidably mounted on a moving clamp guide post 132, the moving clamp motor 131 drives a screw rod to drive the rear clamp 13 to move on the moving clamp guide post 132, and the clamping motor 133 drives the clamps 15 to be loose through the driving screw rod. The rear clamp 13 is used for clamping and moving the rear half of the workpiece 4, and the front clamp 12 is used for clamping the front half which is cut off.

As shown in fig. 4, the tilting mechanism 2 comprises a tilting driving device 21, a tilting transmission shaft 22, a lifting platform 23 and a rotating seat 24, wherein the tilting driving device 21 is arranged on the rotating seat 24 and drives the lifting platform 23 to lift, the tilting driving device 21 drives the other lifting platform 23 to lift through the tilting transmission shaft 22, and the tilting transmission shaft 22 is adopted to facilitate the tilting synchronism and reduce the cost of the power device. The tilt driving device 21 is preferably driven by a motor, which is beneficial to precisely controlling the tilt angle.

As shown in fig. 5, the feeding table 3 includes a feeding motor 31, a double-speed chain 32 and a roller 33, the roller 33 is arranged above the rear pincer 13, the roller 33 is not driven by power, and the position of the workpiece 4 is directly changed by the power of the rear pincer 13. The double-speed chain 32 is arranged above the front clamp 12, and the feeding motor 31 drives the double-speed chain 32 to run so as to drive the cut workpiece 4 to run forwards. The rear section of the feeding table 3 is responsible for feeding, and the front half section is responsible for discharging.

Referring to fig. 8 and 9, the swingable platform is mounted on an existing sawing machine, the workpiece 4 is placed on the roller 33 of the feeding table 3, and the clamp 15 of the rear clamp 13 clamps the workpiece 4 under the drive of the clamping motor 133; the moving clamp motor 131 drives the screw rod to drive the rear clamp 13 to move on the moving clamp guide post 132, so that the workpiece 4 is driven to move. After the workpiece 4 is moved to the specified position, the front clamp 12 clamps the front section of the workpiece 4. At this time, the saw belt 75 can cut the workpiece 4, if the angle of the workpiece 4 is not changed, the contact area between the workpiece 4 and the saw belt 75 is too large, so that the workpiece 4 can quickly generate heat and wear, the workpiece 4 can not dissipate heat, and wood is easy to carbonize; as shown in fig. 8, the tilting drive device 21 is started to drive the lifting table 23 to run, so that the angle of the workpiece 4 is changed, and the contact area between the workpiece and the saw belt 75 is reduced.

Example 2

Referring to fig. 10-21, on the basis of embodiment 1, a base 5, a gantry 6, a saw blade 7, a belt pressing mechanism 80 and a chip removing mechanism 9 are added to form a full-automatic sawing machine, a swing table base 14, a rotating base 24 of an inclination mechanism 2 and the gantry 6 are fixedly mounted on the base 5, the saw blade 7 and the belt pressing mechanism 80 are mounted on the gantry 6 through guide rails, a swingable platform is mounted below the saw blade 7 and the belt pressing mechanism 80, and the chip removing mechanism 9 is mounted on the base 5 and is disposed right below the saw blade 7. The sawing machine changes the angle of the workpiece 4, so that the contact between the saw belt 75 and the workpiece 4 is reduced, the contact area between the saw belt 75 and the workpiece 4 is reduced, heating and abrasion are reduced, and the service life of the saw belt 75 is prolonged.

As shown in fig. 13, saw blade lifting motors 62, screw rod transmission shafts 621, lifting screw rods 622 and lifting slide rails 63 are arranged on the back surfaces of two vertical beams of the portal frame 6, the lifting screw rods 622 on one side are driven by the lifting motors, the lifting screw rods 622 on the other side are driven by the driving screw rod transmission shafts 621 to rotate, and a belt pressing guide rail 82 and a rack 85 are arranged on the front part of a cross beam of the portal frame 6. The gantry 6 is mainly used for installing the saw blade 7 and driving the saw blade 7 to move up and down.

As shown in fig. 15, 16, and 17, the saw blade 7 is mounted on the lift screw 622 and the lift rail 63 via the screw nut 78 and the rail seat 77. The saw blade 7 comprises a saw blade motor 71, a worm 72, a worm wheel 73, a saw disc 74 and a saw belt 75, wherein the saw blade motor 71 drives the saw disc 74 by driving the worm 72 and the worm wheel 73, and the saw disc 74 drives the saw belt 75 to run, so that the workpiece 4 is cut. The saw blade 7 is also provided with an auxiliary cylinder 61, one end of the auxiliary cylinder 61 is arranged on the base 5, and the other end is arranged on the saw blade 7 frame; the saw disc 74 is also internally provided with a saw band tensioning mechanism 76 and a saw band cleaning mechanism 79, wherein the saw band tensioning mechanism 76 is used for adjusting the tightness of the saw band 75, and the saw band cleaning mechanism 79 is used for cleaning the saw band 75 to prevent foreign matters from entering the saw disc 74.

As shown in fig. 11 and 14, the belt pressing mechanism 80 is mounted on a belt pressing guide rail 82 of a beam of the portal frame 6, the belt pressing mechanism 80 comprises two belt pressing arms 81, a belt pressing driving motor 83 is arranged inside the belt pressing arms 81 to drive the belt pressing arms 81 to run on a rack 85, rollers 86, belt pressing alloy sheets and cutting liquid spraying nozzles 84 are arranged at the bottom ends of the belt pressing arms 81, and saw belts 75 penetrate through the rollers 86 and the belt pressing alloy sheets at the bottom ends of the belt pressing arms 81. The belt pressing mechanism 80 is used for guiding the saw belt 75, and the cutting liquid spraying nozzle 84 sprays cooling liquid to cool and remove dust on the saw belt 75. The sawing machine also comprises a central control system and a sensing system, wherein the central control system is electrically connected with the sensing system, the motor and the electromagnetic valve, so that closed-loop and automatic control is realized.

In actual use, as shown in fig. 18-21, the workpiece 4 is placed on the roller 33 of the feeding table 3, and the clamp 15 of the rear clamp 13 clamps the workpiece 4 under the drive of the clamping motor 133; the moving clamp motor 131 drives the screw rod to drive the rear clamp 13 to move on the moving clamp guide post 132, so that the workpiece 4 is driven to move. After the workpiece 4 is moved to the specified position, the front clamp 12 clamps the front section of the workpiece 4. At this time, the saw belt 75 can cut the workpiece 4, and the chip removing mechanism 9 is started, as shown in fig. 18, if the angle of the workpiece 4 is not changed, the contact area between the workpiece 4 and the saw belt 75 is too large, so that rapid heating and abrasion are caused, the workpiece 4 cannot dissipate heat, and wood is easy to carbonize; as shown in fig. 19, the inclination driving device 21 is started to drive the lifting table 23 to operate, so that the angle of the workpiece 4 is changed, and the contact area between the workpiece 4 and the saw belt 75 is reduced; as shown in fig. 20, in the cutting process of the saw belt 75, the swinging table 1 moves continuously, so that the contact area between the workpiece 4 and the saw belt 75 is reduced, the heating and abrasion of the saw belt 75 are effectively reduced, the cooling liquid is sprayed to the saw belt 75 by the cutting liquid spraying nozzle 84 of the belt pressing arm 81, the heating of the saw belt 75 and the workpiece 4 is reduced, and dust is removed.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiments, and the terms "upper," "lower," "left," "right," "front," "back," and the like are used herein with reference to the positional relationship of the drawings.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The above embodiments are only for illustrating the present utility model, not for limiting the present utility model, and various changes and modifications may be made by one of ordinary skill in the relevant art without departing from the spirit and scope of the present utility model, and therefore, all equivalent technical solutions are also within the scope of the present utility model, and the scope of the present utility model is defined by the claims.

Claims

1. A swingable platform, characterized in that: including swing table (1), tilting mechanism (2) and pay-off platform (3), swing table (1) swing frame (11) are connected with swing table base (14) pivot, tilting mechanism (2) are installed in the bottom of swing table (1), and elevating platform (23) and swing table base (14) fixed connection of tilting mechanism (2), pay-off platform (3) fixed mounting is at the upper surface of swing table (1), be equipped with clamp (15) on swing frame (11).

2. A swingable platform according to claim 1, wherein: the clamp (15) on the swing bench (11) comprises a front clamp (12) and a rear clamp (13), the rear clamp (13) comprises two pairs of clamps (15) and is installed on the clamp moving guide post (132) in a sliding mode, the clamp moving motor (131) drives the screw rod to drive the rear clamp (13) to move on the clamp moving guide post (132), and the clamp motor (133) drives the clamp (15) to be tight through the drive screw rod.

3. A swingable platform according to claim 1, wherein: the tilting mechanism (2) comprises a tilting driving device (21), a tilting transmission shaft (22), a lifting platform (23) and a rotating seat (24), wherein the tilting driving device (21) is arranged on the rotating seat (24) and drives the lifting platform (23) to lift, and the tilting driving device (21) drives the other lifting platform (23) to lift through the tilting transmission shaft (22).

4. A swingable platform according to claim 2, wherein: the feeding table (3) comprises a feeding motor (31), a speed doubling chain (32) and a roller (33), wherein the roller (33) is arranged above the rear clamp (13), the speed doubling chain (32) is arranged above the front clamp (12), and the feeding motor (31) drives the speed doubling chain (32) to run.

5. A sawing machine, characterized in that: the swinging platform comprises the swinging platform according to any one of claims 1-4, and further comprises a base (5), a portal frame (6), a saw blade (7), a belt pressing mechanism (80) and a chip removing mechanism (9), wherein the swinging platform base (14), a rotating seat (24) of the tilting mechanism (2) and the portal frame (6) are fixedly arranged on the base (5), the saw blade (7) and the belt pressing mechanism (80) are arranged on the portal frame (6) through guide rails, the swinging platform is arranged below the saw blade (7) and the belt pressing mechanism (80), and the chip removing mechanism (9) is arranged on the base (5) and is arranged right below the saw blade (7).

6. A sawing machine as claimed in claim 5, wherein: saw sword elevator motor (62), lead screw transmission shaft (621), elevator lead screw (622) and lift slide rail (63) are equipped with at the back of two vertical beams of portal frame (6), elevator lead screw (622) of elevator motor drive one side and through the rotatory of elevator lead screw (622) of drive lead screw transmission shaft (621) drive opposite side, the crossbeam front portion of portal frame (6) is equipped with presses area guide rail (82) and rack (85).

7. A sawing machine as claimed in claim 6, wherein: the saw blade (7) is arranged on a lifting screw rod (622) and a lifting sliding rail (63) through a screw rod nut (78) and a guide rail seat (77), the saw blade (7) comprises a saw blade motor (71), a worm (72), a worm wheel (73), a saw disc (74) and a saw belt (75), the saw blade motor (71) drives the saw disc (74) through driving the worm (72) and the worm wheel (73), and the saw disc (74) drives the saw belt (75) to run.

8. A sawing machine as claimed in claim 7, wherein: the saw blade (7) is also provided with an auxiliary cylinder (61), one end of the auxiliary cylinder (61) is arranged on the base (5), and the other end of the auxiliary cylinder is arranged on the saw blade (7) frame; the saw disc (74) is also internally provided with a saw band tensioning mechanism (76) and a saw band cleaning mechanism (79).

9. A sawing machine as claimed in claim 6, wherein: the belt pressing mechanism (80) is arranged on a belt pressing guide rail (82) of a cross beam of the portal frame (6), the belt pressing mechanism (80) comprises two belt pressing arms (81), belt pressing driving motors (83) are arranged inside the belt pressing arms (81) to drive the belt pressing arms (81) to run on racks (85), rollers (86), belt pressing alloy sheets and cutting liquid spraying nozzles (84) are arranged at the bottom ends of the belt pressing arms (81), and saw belts (75) penetrate through the rollers (86) at the bottom ends of the belt pressing arms (81) and the belt pressing alloy sheets.

10. A sawing machine as claimed in claim 5, wherein: the sawing machine further comprises a central control system and a sensing system, wherein the central control system is electrically connected with the sensing system, the motor and the electromagnetic valve.