CN113369575A

CN113369575A - Circular saw

Info

Publication number: CN113369575A
Application number: CN202110552793.8A
Authority: CN
Inventors: 胡荣耀; 邓波; 徐攀; 龚俊; 黄蔚
Original assignee: China First Metallurgical Group Co Ltd
Current assignee: China First Metallurgical Group Co Ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-09-10
Anticipated expiration: 2041-05-20
Also published as: CN113369575B

Abstract

The invention relates to a circular saw, which comprises a supporting mechanism, a cutting mechanism, a clamping mechanism, a silencing mechanism and a measuring mechanism, wherein the supporting mechanism is arranged on the cutting mechanism; the top end of the supporting mechanism is provided with a slideway, one end of the cutting mechanism is inserted into the slideway, the other end of the cutting mechanism is connected with the supporting mechanism, and the cutting mechanism is used for cutting an object to be cut; the clamping mechanisms are arranged on two opposite sides of the supporting mechanism and can slide relative to the supporting mechanism, and the clamping mechanisms are used for fixing an object to be cut; the first end of the silencing mechanism is covered at the top end of the cutting mechanism, the second end of the silencing mechanism is connected with the supporting mechanism, and the silencing mechanism is used for eliminating noise generated during cutting; the measuring mechanism is arranged at the top end of the silencing mechanism and is used for positioning and measuring the size of an object to be cut; compared with the circular saw in the prior art, the arrangement improves the cutting precision and reduces the noise pollution; meanwhile, the use safety is improved.

Description

Circular saw

Technical Field

The invention relates to the technical field of cutting processing of circular saws, in particular to a circular saw.

Background

Currently, a circular saw is widely used in woodworking as a cutting device.

However, the circular saw in the prior art has poor cutting precision in the construction process; meanwhile, noise is easily generated.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a circular saw, which has the advantages that the cutting precision can be improved; meanwhile, noise pollution is reduced.

The above object of the present invention is achieved by the following technical solutions: a circular saw comprises a supporting mechanism, a cutting mechanism, a clamping mechanism, a silencing mechanism and a measuring mechanism; the top end of the supporting mechanism is provided with a slideway, one end of the cutting mechanism is inserted into the slideway, the other end of the cutting mechanism is connected with the supporting mechanism, and the cutting mechanism is used for cutting an object to be cut; the clamping mechanisms are arranged on two opposite sides of the supporting mechanism, can slide relative to the supporting mechanism, and are used for fixing the object to be cut; the first end of the silencing mechanism is covered at the top end of the cutting mechanism, the second end of the silencing mechanism is connected with the supporting mechanism, and the silencing mechanism is used for eliminating noise generated during cutting; the measuring mechanism is arranged at the top end of the silencing mechanism and is used for positioning and measuring the size of the object to be cut.

Preferably, the cutting mechanism of the circular saw provided by the invention comprises a circular saw blade and a fixed support, wherein a mounting hole extending along the central axis direction of the circular saw blade is formed in the circular saw blade, a rotating shaft is inserted into the mounting hole and rotatably connected with the fixed support, and one end of the fixed support, which is far away from the rotating shaft, is connected with the supporting mechanism; the circular saw blade is inserted in the slideway and can slide along the slideway, and the circular saw blade can rotate relative to the supporting mechanism.

Preferably, the circular saw provided by the invention comprises a worktable assembly, an inclined plate and a plurality of supporting rod assemblies, wherein the plurality of supporting rod assemblies are all arranged at the bottom end of the worktable assembly, and are arranged at intervals along the first direction of the worktable assembly; the hang plate is located the bottom of workstation subassembly, the hang plate with workstation subassembly interval default distance, the hang plate is with a plurality of the bracing piece subassembly is connected, seted up on the workstation subassembly along the second direction of workstation extends the slide, cutting mechanism's one end is inserted and is established in the slide, cutting mechanism's the other end with the hang plate is connected.

Preferably, in the circular saw provided by the present invention, the worktable assembly includes a sliding plate and a rectangular frame, the sliding rail is provided on the sliding plate, the sliding plate is provided at a top end of the rectangular frame, a bottom end of the rectangular frame is connected to the support rod assembly, the rectangular frame is provided with at least one rail, the rail extends along the second direction, the bottom end of the sliding plate is provided with at least one roller, the roller is provided corresponding to the rail, the roller is inserted into the rail, and the roller can move along the rail.

Preferably, in the circular saw provided by the invention, the support rod assembly comprises two support rods which are oppositely arranged, shock-absorbing pads are adhered to the bottom ends of the two support rods, one end of each shock-absorbing pad, which is away from the support rods, is abutted to the ground, and the shock-absorbing pads are used for absorbing kinetic energy generated by vibration of the sliding plate.

Preferably, in the circular saw provided by the invention, the silencing mechanism comprises a protective cover assembly and a connecting pipe assembly, the protective cover assembly covers the top end of the circular saw blade, the protective cover assembly and the circular saw blade are separated by a preset distance, one end of the protective cover assembly, which is far away from the circular saw blade, is connected with one end of the connecting pipe assembly, and the other end of the connecting pipe assembly is connected with the supporting mechanism.

Preferably, the circular saw provided by the invention comprises a protective cover and a sound attenuation layer adhered to the inner wall of the protective cover, wherein the sound attenuation layer is used for absorbing noise generated during cutting; the protective cover is arc-shaped, the protective cover is matched with the circular saw blade, and the protective cover covers the top end of the circular saw blade.

Preferably, the connecting pipe assembly provided by the invention comprises a connecting pipe and a sound absorption film, one end of the connecting pipe is connected with one side of the protective cover departing from the disc saw blade, the other end of the connecting pipe is connected with the supporting mechanism, and the sound absorption film is attached to the inner peripheral wall of the connecting pipe; the sound absorbing film is used for absorbing noise generated during cutting.

Preferably, the circular saw provided by the invention comprises a measuring rod and a laser level, wherein the outer peripheral wall of the measuring rod is connected with the silencing mechanism, one end of the measuring rod is detachably connected with the laser level, and two ends of the measuring rod can stretch and retract along the central axis direction of the measuring rod.

Preferably, the circular saw provided by the invention comprises two telescopic rods and a connecting sleeve which are oppositely arranged, the outer peripheral wall of the connecting sleeve is connected with the silencing mechanism, the large-diameter ends of the two telescopic rods are respectively connected with the two ends of the connecting sleeve, and scales are engraved on the outer peripheral walls of the two telescopic rods.

In conclusion, the beneficial technical effects of the invention are as follows: the utility model provides a circular saw, including supporting mechanism, cutting mechanism, fixture, amortization mechanism and measuring mechanism; the top end of the supporting mechanism is provided with a slideway, one end of the cutting mechanism is inserted into the slideway, the other end of the cutting mechanism is connected with the supporting mechanism, and the cutting mechanism is used for cutting an object to be cut; the clamping mechanisms are arranged on two opposite sides of the supporting mechanism and can slide relative to the supporting mechanism, and the clamping mechanisms are used for fixing an object to be cut; the first end of the silencing mechanism is covered at the top end of the cutting mechanism, the second end of the silencing mechanism is connected with the supporting mechanism, and the silencing mechanism is used for eliminating noise generated during cutting; the measuring mechanism is arranged at the top end of the silencing mechanism and is used for positioning and measuring the size of an object to be cut; compared with the circular saw in the prior art, the arrangement improves the cutting precision and reduces the noise pollution; meanwhile, the use safety is improved.

Drawings

Fig. 1 is a main schematic view of a circular saw provided in an embodiment of the present invention.

Fig. 2 is a side schematic view of a circular saw provided in an embodiment of the present invention.

Fig. 3 is a schematic top view of a circular saw provided in an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a measuring rod in a circular saw provided by an embodiment of the invention.

FIG. 5 is a schematic structural diagram of a coupling tube assembly of a circular saw according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a sound-deadening mechanism in the circular saw according to the embodiment of the present invention.

In the figure, 1, a circular saw; 10. a support mechanism; 101. a slide plate; 1011. a slideway; 1012. a roller; 1013. a chute; 102. a rectangular frame; 1021. a track; 103. an inclined plate; 104. a support bar; 1041. a shock pad; 20. a cutting mechanism; 201. a circular saw blade; 202. fixing a bracket; 30. a clamping mechanism; 301. a clamping assembly; 3011. a U-shaped clamp; 3012. a first clamping portion; 3013. a second clamping portion; 3014. a fastening rod; 3015. a slider; 40. a silencing mechanism; 401. a protective cover assembly; 4011. a protective cover; 4012. a sound-deadening layer; 402. a connecting tube assembly; 4021. a connecting pipe; 40211. a first connection portion; 40212. a second connecting portion; 40213. a third connecting portion; 40214. a fourth connecting portion; 4022. a sound absorbing film; 50. a measuring mechanism; 501. a measuring rod; 5011. a telescopic rod; 5012. connecting a sleeve; 502. a laser level; 60. a first direction; 70. a second direction.

Detailed Description

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

Referring to fig. 1 to 3, a circular saw 1 disclosed in the present invention includes a supporting mechanism 10, a cutting mechanism 20, a clamping mechanism 30, a silencing mechanism 40, and a measuring mechanism 50; the top end of the supporting mechanism 10 is provided with a slideway 1011, one end of the cutting mechanism 20 is inserted into the slideway 1011, the other end of the cutting mechanism 20 is connected with the supporting mechanism 10, and the cutting mechanism 20 is used for cutting an object to be cut.

The clamping mechanisms 30 are arranged on two opposite sides of the supporting mechanism 10, the clamping mechanisms 30 can slide relative to the supporting mechanism 10, and the clamping mechanisms 30 are used for fixing an object to be cut; the clamping mechanism 30 clamps the object to be cut, so that the object to be cut is prevented from moving in the cutting process, and therefore, the cutting accuracy is improved.

In this embodiment, the first end of the silencing mechanism 40 is covered at the top end of the cutting mechanism 20, the second end of the silencing mechanism 40 is connected with the supporting mechanism 10, and the silencing mechanism 40 is used for eliminating noise generated during cutting; by arranging the silencing mechanism 40, the noise is reduced, and the influence of the noise on a human body and the environment is reduced.

The measuring mechanism 50 is arranged at the top end of the silencing mechanism 40, and the measuring mechanism 50 is used for positioning and measuring the size of an object to be cut; by providing the measuring mechanism 50, the object to be cut is positioned and measured before cutting, and thus, the cutting accuracy is further improved.

Further, in this embodiment, the cutting mechanism 20 includes a circular saw blade 201 and a fixing support 202, a mounting hole extending along a central axis direction of the circular saw blade 201 is formed in the circular saw blade 201, a rotating shaft is inserted into the mounting hole, the rotating shaft is rotatably connected with the fixing support 202, and one end of the fixing support 202 away from the rotating shaft is connected with the supporting mechanism 10; the circular saw blade 201 is inserted into the slideway 1011, the circular saw blade 201 can slide along the slideway 1011, and the circular saw blade 201 can rotate relative to the supporting mechanism 10; in the use process, the rotating shaft rotates to drive the circular saw blade 201 to rotate, and then the object to be cut is cut.

By providing the fixing bracket 202, the fixing bracket 202 supports the circular saw blade 201.

In some realizable manners, the fixing bracket 202 may be a rectangular frame, and the fixing bracket 202 includes four connecting rods, which are connected end to end in sequence; in the use, one side of fixed bolster 202 is connected with supporting mechanism 10, and one side that fixed bolster 202 deviates from supporting mechanism 10 is provided with the sleeve pipe, and the one end of axis of rotation is inserted and is established in the sleeve pipe, and the axis of rotation can rotate relative to the sleeve pipe.

Exemplarily, the fixing bracket 202 may also be a T-shape, the fixing bracket 202 includes a fixing rod and a sleeve, the central axis of the sleeve is perpendicular to the central axis of the fixing rod, one end of the fixing rod is connected to the supporting mechanism 10, the other end of the fixing rod is connected to the outer circumferential wall of the sleeve, one end of the rotation shaft is inserted into the sleeve, and the rotation shaft can rotate relative to the sleeve.

With continued reference to fig. 1-3, in this embodiment, the support mechanism 10 includes a table assembly, an inclined plate 103, and a plurality of support rod assemblies, each disposed at a bottom end of the table assembly, the plurality of support rod assemblies being spaced apart along a first direction 60 of the table assembly; the support rod assembly supports the workbench assembly, and the stability of the workbench assembly is improved by arranging the support rod assemblies.

The inclined plate 103 is located at the bottom end of the workbench assembly, a preset distance is reserved between the inclined plate 103 and the workbench assembly, the inclined plate 103 is connected with the plurality of support rod assemblies, a slide way 1011 extending along the second direction 70 of the workbench is formed in the workbench assembly, one end of the cutting mechanism 20 is inserted into the slide way 1011, and the other end of the cutting mechanism 20 is connected with the inclined plate 103; on the one hand, the inclined plate 103 plays a role in fixing the cutting mechanism 20; on the other hand, the collection of the scraps generated by cutting is convenient.

The first direction 60 of the table assembly is a longitudinal direction, the second direction 70 of the table assembly is a width direction, and the first direction 60 is perpendicular to the second direction 70.

Specifically, one end of the support rod assembly is connected to the bottom end of the rectangular frame 102, and the other end of the support rod assembly abuts against the ground, wherein the number of the support rod assemblies may be two, three, four, and the like, which is not limited in this embodiment. The supporting rod assemblies jointly enclose an accommodating space, the inclined plate 103 is arranged in the accommodating space, and the inclined plate 103 and the workbench assembly are arranged correspondingly; to facilitate securing the cutting mechanism 20, the inclined plate 103 is spaced a predetermined distance from the table assembly.

In the above embodiment, the circular saw blade 201 is partially inserted into the slideway 1011, and the side of the fixed bracket 202 facing away from the circular saw blade 201 is connected with the inclined plate 103.

Furthermore, a storage box is arranged on one side of the inclined plate 103, which is inclined downwards, and is detachably connected with the inclined plate 103, and the storage box is used for collecting scraps generated in the cutting process; in the cutting process, the scraps fall onto the inclined plate 103 through the slide rail 1011, and the scraps slide downwards into the containing box along the inclined direction of the inclined plate 103, so that the scraps are prevented from being cleaned after the cutting is finished, and therefore, the labor and the time are saved; meanwhile, the storage box is detachably connected with the inclined plate 103, so that scraps collected in the storage box can be cleaned conveniently.

With continued reference to fig. 1 to 3, in the present embodiment, the worktable assembly includes a sliding plate 101 and a rectangular frame 102, a slideway 1011 is provided on the sliding plate 101, the slideway 1011 penetrates through the sliding plate 101 along a direction perpendicular to the sliding plate 101, the sliding plate 101 is provided at the top end of the rectangular frame 102, the sliding plate 101 is slidably connected with the rectangular frame 102, the bottom end of the rectangular frame 102 is connected with the supporting rod assembly, and the circular saw blade 201 is inserted into the slideway 1011 through the rectangular frame 102; in the use, the object to be cut is placed on the sliding plate 101, and slides through pushing the sliding plate 101, so that the object to be cut is cut.

To facilitate cutting of various shapes of objects to be cut, a slideway 1011 extends from one end of the slide plate 101 in the second direction 70.

Wherein, at least one rail 1021 is arranged on the rectangular frame 102, the rail 1021 extends along the second direction 70, that is, the extending direction of the rail 1021 is parallel to the extending direction of the sliding track 1011, at least one roller 1012 is arranged at the bottom end of the sliding plate 101, the roller 1012 is arranged corresponding to the rail 1021, the roller 1012 is inserted in the rail 1021, and the roller 1012 can move along the rail 1021; in the use, the object to be cut is fixed on the sliding plate 101, and rolls along the track 1021 through the roller 1012, drives the sliding plate 101 to move along the track 1021, and then cuts the object to be cut, so that the safety of use is improved.

Specifically, the rectangular frame 102 includes four connecting rods, the four connecting rods are sequentially connected end to end, the four connecting rods jointly enclose an accommodating space, the rail 1021 is arranged in the accommodating space, and two ends of the rail 1021 are respectively connected with the outer peripheral walls of the two opposite connecting rods; the two links connected to the track 1021 act as stops for the roller 1012 to avoid disengaging from the track 1021 during rolling.

The rail 1021 may be made of an i-steel or a channel steel, which is not limited in this embodiment.

In the above embodiment, two tracks 1021 are disposed on the rectangular frame 102, the two tracks 1021 are spaced, the number of the rollers 1012 is the same as that of the tracks 1021, and the rollers 1012 are disposed corresponding to the tracks 1021.

Further, in this embodiment, the support rod assembly includes two support rods 104 disposed oppositely, central axes of the two support rods 104 are disposed in parallel, shock absorbing pads 1041 are adhered to bottom ends of the two support rods 104, one end of the shock absorbing pad 1041 away from the support rods 104 abuts against the ground, and the shock absorbing pad 1041 is used for absorbing kinetic energy generated by vibration of the sliding plate 101; this improves the stability of the circular saw 1.

In the using process, the central axes of the two support bars 104 are perpendicular to the horizontal plane, the two support bars 104 are arranged at intervals along the second direction 70, the top ends of the two support bars 104 are connected with the rectangular frame 102, and the support bars 104 support the rectangular frame 102.

For example, the cushion 1041 may be made of a rubber pad, and the cushion 1041 may also be made of other materials, so as to achieve a damping effect and enable the supporting mechanism 10 to stably contact with the ground.

Further, in this embodiment, the clamping mechanism 30 includes two clamping assemblies 301, the two clamping assemblies 301 are detachably connected to the sliding plate 101, the object to be cut is fixed on the sliding plate 101 through the clamping assemblies 301, and in the cutting process, the object to be cut is prevented from moving, so that the cutting accuracy is improved.

The clamping assembly 301 comprises a U-shaped clamp 3011 and a fastening rod 3014, an open end of the U-shaped clamp 3011 is provided with a first clamping portion 3012 and a second clamping portion 3013, the first clamping portion 3012 and the second clamping portion 3013 are arranged oppositely, the first clamping portion 3012 and the second clamping portion 3013 both extend inwards along a central axis direction of the fastening rod 3014, an installation hole extending along the central axis direction of the fastening rod 3014 is formed in an outer side wall of the U-shaped clamp 3011, and the installation hole penetrates through the outer side wall of the U-shaped clamp 3011; in the using process, an object to be cut is placed at the top end of the sliding plate 101, at the moment, the object to be cut and the sliding plate 101 are inserted into the U-shaped clamp 3011, one end of the fastening rod 3014 penetrates through the mounting hole, the fastening rod 3014 is screwed, at the moment, the top end of the object to be cut is abutted to the first clamping portion 3012, the bottom end of the sliding plate 101 is abutted to the second clamping portion 3013, and therefore the object to be cut is fixed on the sliding plate 101 through the clamping assembly.

In the above embodiment, the cross-sectional area of the sliding plate 101 is larger than that of the rectangular frame 102, two sliding chutes 1013 are formed at the bottom end of the sliding plate 101 and near the edge of the sliding plate 101, the two sliding chutes 1013 are disposed oppositely, the two sliding chutes 1013 extend along the first direction 60 of the workbench assembly, and the two sliding chutes 1013 penetrate through the sliding plate 101 along the central axis direction of the supporting rod 104; by arranging the two sliding chutes 1013 on the sliding plate 101, the clamping assemblies 301 and the sliding chutes 1013 are arranged in a one-to-one correspondence manner, so that an object to be cut can be arranged in a correspondence manner with any one sliding chute 1013, and the cutting convenience of the circular saw 1 is improved.

Specifically, two sliding blocks 3015 are oppositely arranged in the U-shaped clip 3011, the two sliding blocks 3015 are both located on one side of the fastening rod 3014 away from the first clamping portion 3012, the two sliding blocks 3015 both extend inward along the central axis direction of the fastening rod 3014, in the use process, the two sliding blocks 3015 are both inserted into the sliding groove 1013, the sliding blocks 3015 can slide along the sliding groove 1013, so that the clamping assembly 301 slides along the sliding groove 1013, and the sliding groove 1013 guides the clamping assembly 301; after the position of the object to be cut is determined, the clamping assembly 301 which is positioned on the same side with the object to be cut is slid to one end of the object to be cut, one end of the object to be cut is fixed, and then the other clamping assembly 301 is detached from the sliding plate 101 and used for fixing the other end of the object to be cut, so that the firmness of the object to be cut and the cutting accuracy are further improved.

With continued reference to fig. 1 to 3, in the present embodiment, the sound attenuation mechanism 40 includes a shield assembly 401 and a connecting pipe assembly 402, the shield assembly 401 is disposed at the top end of the circular saw blade 201, the shield assembly 401 is spaced from the circular saw blade 201 by a predetermined distance, one end of the shield assembly 401 away from the circular saw blade 201 is connected to one end of the connecting pipe assembly 402, and the other end of the connecting pipe assembly 402 is connected to the supporting mechanism 10; by arranging the protective cover assembly 401, on one hand, the damage of scraps generated in the cutting process to the health of workers is avoided, and the safety is improved; on the other hand, the noise generated in the cutting process is absorbed, and the influence of the noise on the human body and the environment is reduced.

To prevent damage to the guard assembly 401 during rotation of the circular saw blade 201, the guard assembly 401 is spaced a predetermined distance from the circular saw blade 201.

Wherein, the bottom of protection casing subassembly 401 and the top of slide 101 keep a certain distance apart, from this, in the cutting process, avoid protection casing subassembly 401 and the object contact that treats to cut, cause the damage to protection casing subassembly 401.

Specifically, one end of the connecting pipe assembly 402 is connected with the top end of the protective cover assembly 401, and the other end of the connecting pipe assembly 402 is connected with the outer peripheral wall of the support rod 104; in one aspect, the support rod 104 supports the damping mechanism 40; on the other hand, during the cutting process, the unabsorbed noise is converted into kinetic energy, and the kinetic energy is transmitted to the supporting rod 104 through the silencing mechanism 40, and then is absorbed by the shock absorbing pad 1041, so as to further reduce the noise.

With continued reference to fig. 2 and 6, in the present embodiment, the protective mask assembly 401 includes a protective mask 4011 and a sound deadening layer 4012 attached to an inner wall of the protective mask 4011, the sound deadening layer 4012 being configured to absorb noise generated during cutting; the protective cover 4011 is arc-shaped, the protective cover 4011 is matched with the disc saw blade 201, and the protective cover 4011 covers the top end of the disc saw blade 201; through paste amortization layer 4012 on the inner wall of protection casing 4011, amortization layer 4012 is used for absorbing the noise that produces when cutting, from this, has reduced the influence of noise to environment and human body.

Wherein, the sound deadening layer 4012 can adopt sound deadening cotton, and the sound deadening layer 4012 can also adopt foam plastics, metal sound absorbing boards, etc.

Illustratively, the protective shield 4011 may also be a rectangular box, the silencing layer 4012 is matched with the protective shield 4011, and the protective shield 4011 is covered on the top end of the circular saw blade 201.

With reference to fig. 2, 5 and 6, in this embodiment, the connection pipe assembly 402 includes a connection pipe 4021 and a sound absorption membrane 4022, one end of the connection pipe 4021 is connected to a side of the protection cover 4011 away from the circular saw blade 201, the other end of the connection pipe 4021 is connected to the support mechanism 10, and the sound absorption membrane 4022 is attached to an inner peripheral wall of the connection pipe 4021; the sound absorbing film 4022 absorbs noise generated during cutting; by arranging the sound absorbing film 4022, the influence of noise on the environment and the human body is further reduced.

The connecting pipe 4021 comprises a first connecting part 40211, a second connecting part 40212, a third connecting part 40213 and a fourth connecting part 40214, the first connecting part 40211, the second connecting part 40212, the third connecting part 40213 and the fourth connecting part 40214 are all rod-shaped, the first connecting part 40211 and the third connecting part 40213 are oppositely arranged, the second connecting part 40212 and the fourth connecting part 40214 are oppositely arranged, the central axis of the first connecting part 40211 and the central axis of the second connecting part 40212 are both vertical to the ground, and the central axis of the third connecting part 40213 and the central axis of the fourth connecting part 40214 are both parallel to the second direction 70 of the workbench assembly; first connecting portion 40211, second connecting portion 40212, third connecting portion 40213 and fourth connecting portion 40214 connect in proper order, and the one end that first connecting portion 40211 deviates from second connecting portion 40212 is connected with protection casing 4011, and the one end that fourth connecting portion 40214 deviates from third connecting portion 40213 is connected with the periphery wall of bracing piece 104.

The material of the sound absorbing film 4022 is substantially the same as that of the sound deadening layer 4012, and the material of the sound absorbing film 4022 will not be described herein again.

With reference to fig. 1 to 4, in this embodiment, the measuring mechanism 50 includes a measuring rod 501 and a laser level 502, an outer peripheral wall of the measuring rod 501 is connected to the sound attenuating mechanism 40, one end of the measuring rod 501 is detachably connected to the laser level 502, and both ends of the measuring rod 501 can extend and retract along a central axis direction of the measuring rod 501; the measuring rod 501 is used for measuring the length of an object to be cut, and the laser level 502 is used for positioning the object to be cut; in the using process, the laser level 502 is opened, the laser level 502 irradiates two vertically crossed light rays on the sliding plate 101, the object to be cut takes the light ray extending along the second direction 70 as a starting line, the extending direction of the object to be cut is parallel to the extending direction of the other light ray, namely, the extending direction of the object to be cut is parallel to the first direction 60, then the measuring rod 501 is extended, the length of the object to be cut is measured, and therefore the cutting precision is improved.

During use, the centre axis of the measuring stick 501 extends in the first direction 60.

Further, in this embodiment, the measuring rod 501 includes two telescopic rods 5011 and a connecting sleeve 5012 which are oppositely arranged, the outer peripheral wall of the connecting sleeve 5012 is connected to the noise reduction mechanism 40, the large-diameter ends of the two telescopic rods 5011 are respectively connected to two ends of the connecting sleeve 5012, and scales are engraved on the outer peripheral walls of the two telescopic rods 5011; through setting up telescopic link 5011, save space, the measurement of being convenient for.

The central axis of the telescopic rod 5011 is parallel to the central axis of the connecting sleeve 5012, in some realizable modes, the central axis of the telescopic rod 5011 and the central axis of the connecting sleeve 5012 are arranged in a collinear manner, the large-diameter end of the telescopic rod 5011 is connected with one end of the connecting sleeve 5012, and the small-diameter end of the telescopic rod 5011 is detachably connected with the laser level 502, so that the laser level 502 is convenient to maintain.

Illustratively, the telescopic rod 5011 and the laser level 502 can be connected in a threaded manner, and of course, the telescopic rod 5011 and the laser level 502 can also be connected in a clamping manner. In the implementation mode that the telescopic rod 5011 and the laser level 502 are in threaded connection, the outer peripheral wall of the small-diameter end of the telescopic rod 5011 is provided with an external thread, and the laser level 502 is provided with a threaded hole matched with the external thread, so that the telescopic rod 5011 and the laser level 502 can be detachably connected.

Specifically, the outer peripheral wall of the connection sleeve 5012 is connected with the outer peripheral wall of the second connector 40212 at an end facing the first connector 40211; thereby, the measuring mechanism 50 is fixed.

The working process of the circular saw 1 provided by the embodiment is as follows: firstly, the laser level 502 is opened, the laser level 502 irradiates two vertically crossed light rays on the sliding plate 101, the object to be cut takes the light ray extending along the second direction 70 as a starting line, and the extending direction of the object to be cut is parallel to the extending direction of the other light ray; then extending one end of the measuring rod 501, which is far away from the laser level device 502, and measuring the length of the object to be cut; after the measurement is finished, the clamping assembly 301 slides along the sliding groove 1013, so that one end of an object to be cut is fixed by the clamping assembly 301, the other clamping assembly 301 is detached from the sliding plate 101, the other end of the object to be cut is fixed, the disc saw blade 201 rotates, the sliding plate 101 is pushed to slide along the track 1021, and then the object to be cut is driven to move towards the disc saw blade 201, and the object to be cut is cut.

The circular saw 1 provided by the embodiment comprises a supporting mechanism 10, a cutting mechanism 20, a clamping mechanism 30, a silencing mechanism 40 and a measuring mechanism 50; the top end of the supporting mechanism 10 is provided with a slideway 1011, one end of the cutting mechanism 20 is inserted into the slideway 1011, the other end of the cutting mechanism 20 is connected with the supporting mechanism 10, and the cutting mechanism 20 is used for cutting an object to be cut; the clamping mechanisms 30 are arranged on two opposite sides of the supporting mechanism 10, the clamping mechanisms 30 can slide relative to the supporting mechanism 10, and the clamping mechanisms 30 are used for fixing an object to be cut; the first end of the silencing mechanism 40 is covered at the top end of the cutting mechanism 20, the second end of the silencing mechanism 40 is connected with the supporting mechanism 10, and the silencing mechanism 40 is used for eliminating noise generated during cutting; the measuring mechanism 50 is arranged at the top end of the silencing mechanism 40, and the measuring mechanism 50 is used for positioning and measuring the size of an object to be cut; compared with the circular saw 1 in the prior art, the arrangement improves the cutting precision and reduces the noise pollution; meanwhile, the use safety is improved.

The circular saw 1 provided by the invention has the following advantages: the device has the advantages of simple structure, easy manufacture, easy carrying and convenient operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.

Claims

1. A circular saw, characterized in that: the device comprises a supporting mechanism, a cutting mechanism, a clamping mechanism, a silencing mechanism and a measuring mechanism;

the top end of the supporting mechanism is provided with a slideway, one end of the cutting mechanism is inserted into the slideway, the other end of the cutting mechanism is connected with the supporting mechanism, and the cutting mechanism is used for cutting an object to be cut;

the clamping mechanisms are arranged on two opposite sides of the supporting mechanism, can slide relative to the supporting mechanism, and are used for fixing the object to be cut;

the first end of the silencing mechanism is covered at the top end of the cutting mechanism, the second end of the silencing mechanism is connected with the supporting mechanism, and the silencing mechanism is used for eliminating noise generated during cutting;

the measuring mechanism is arranged at the top end of the silencing mechanism and is used for positioning and measuring the size of the object to be cut.

2. The circular saw as defined in claim 1, wherein: the cutting mechanism comprises a disc saw blade and a fixed support, a mounting hole extending along the central axis direction of the disc saw blade is formed in the disc saw blade, a rotating shaft is inserted into the mounting hole, the rotating shaft is rotatably connected with the fixed support, and one end, away from the rotating shaft, of the fixed support is connected with the supporting mechanism;

the circular saw blade is inserted in the slideway and can slide along the slideway, and the circular saw blade can rotate relative to the supporting mechanism.

3. The circular saw as defined in claim 1, wherein: the supporting mechanism comprises a workbench component, an inclined plate and a plurality of supporting rod components, the plurality of supporting rod components are all arranged at the bottom end of the workbench component, and the plurality of supporting rod components are arranged at intervals along a first direction of the workbench component;

the hang plate is located the bottom of workstation subassembly, the hang plate with workstation subassembly interval default distance, the hang plate is with a plurality of the bracing piece subassembly is connected, seted up on the workstation subassembly along the second direction of workstation extends the slide, cutting mechanism's one end is inserted and is established in the slide, cutting mechanism's the other end with the hang plate is connected.

4. The circular saw as defined in claim 3, wherein: the workstation subassembly includes slide and rectangular frame, the slide is seted up on the slide, the slide sets up rectangular frame's top, rectangular frame's bottom with the bracing piece subassembly is connected, rectangular frame is last to be provided with at least one track, the track along the second direction extends, the bottom of slide is provided with at least one gyro wheel, the gyro wheel with the track corresponds the setting, the gyro wheel is inserted and is established in the track, the gyro wheel can along orbital motion.

5. The circular saw as defined in any one of claims 3 to 4, wherein: the bracing piece subassembly is including two relative bracing pieces that set up, two the shock pad has all been pasted to the bottom of bracing piece, the shock pad is kept away from the one end and the ground butt of bracing piece, the shock pad is used for absorbing the kinetic energy that the slide vibration produced.

6. The circular saw as defined in claim 2, wherein: amortization mechanism includes protection casing subassembly and connecting tube subassembly, the protection casing subassembly covers and establishes the top of disc saw bit, just the protection casing subassembly with disc saw bit interval default distance, the protection casing subassembly deviates from the one end of disc saw bit with the one end of connecting tube subassembly is connected, the other end of connecting tube subassembly with supporting mechanism connects.

7. The circular saw as defined in claim 6, wherein: the protective cover assembly comprises a protective cover and a sound attenuation layer adhered to the inner wall of the protective cover, and the sound attenuation layer is used for absorbing noise generated during cutting;

the protective cover is arc-shaped, the protective cover is matched with the circular saw blade, and the protective cover covers the top end of the circular saw blade.

8. The circular saw as defined in claim 7, wherein: the connecting pipe assembly comprises a connecting pipe and a sound absorption film, one end of the connecting pipe is connected with one side of the protective cover, which is far away from the disc saw blade, the other end of the connecting pipe is connected with the supporting mechanism, and the sound absorption film is attached to the inner peripheral wall of the connecting pipe; the sound absorbing film is used for absorbing noise generated during cutting.

9. The circular saw as defined in claim 1, wherein: the measuring mechanism comprises a measuring rod and a laser level device, the peripheral wall of the measuring rod is connected with the silencing mechanism, one end of the measuring rod is detachably connected with the laser level device, and the two ends of the measuring rod can stretch along the central axis direction of the measuring rod.

10. The circular saw as defined in claim 9, wherein: the measuring stick is including two telescopic links and adapter sleeve of relative setting, adapter sleeve's periphery wall with noise canceling mechanism connects, two the major diameter end of telescopic link respectively with adapter sleeve's both ends are connected, two all carve on the periphery wall of telescopic link and be equipped with the scale.