CN113369575B

CN113369575B - Circular saw

Info

Publication number: CN113369575B
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: 2023-05-16
Anticipated expiration: 2041-05-20
Also published as: CN113369575A

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 cutting mechanism is arranged on the supporting mechanism; the top end of the supporting mechanism is provided with a slide way, one end of the cutting mechanism is inserted into the slide way, 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 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 circular saw has the advantages that the cutting precision is improved, and the noise pollution is reduced; meanwhile, the use safety is improved.

Description

Circular saw

Technical Field

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

Background

Currently, circular saws are widely used as a cutting device in woodworking operations.

However, the prior art circular saw has poor cutting accuracy during construction; meanwhile, noise is easy to generate.

Disclosure of Invention

Aiming at the defects existing in the prior art, the invention aims to provide a circular saw, which has the advantages that the cutting precision can be improved; at the same time, 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 slide way, one end of the cutting mechanism is inserted into the slide way, 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 comprises a disc saw blade and a fixed bracket, wherein 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 and is rotatably connected with the fixed bracket, and one end of the fixed bracket, which is away from the rotating shaft, is connected with the supporting mechanism; the disc saw blade is inserted in the slide way, the disc saw blade can slide along the slide way, and the disc saw blade can rotate relative to the supporting mechanism.

Preferably, the disc saw provided by the invention, the supporting mechanism comprises a workbench assembly, an inclined plate and a plurality of supporting rod assemblies, wherein the supporting rod assemblies are arranged at the bottom end of the workbench assembly, and the supporting rod assemblies are arranged at intervals along the first direction of the workbench assembly; the inclined plate is positioned at the bottom end of the workbench assembly, the inclined plate is spaced from the workbench assembly by a preset distance, the inclined plate is connected with a plurality of support rod assemblies, the workbench assembly is provided with a slide way extending along the second direction of the workbench, one end of the cutting mechanism is inserted into the slide way, and the other end of the cutting mechanism is connected with the inclined plate.

Preferably, the table assembly comprises a sliding plate and a rectangular frame, the sliding way is arranged on the sliding plate, the sliding plate is arranged at the top end of the rectangular frame, the bottom end of the rectangular frame is connected with the supporting rod assembly, at least one track is arranged on the rectangular frame, the track extends along the second direction, at least one roller is arranged at the bottom end of the sliding plate, the roller is arranged corresponding to the track, the roller is inserted into the track, and the roller can move along the track.

Preferably, the disc saw provided by the invention is characterized in that the support rod assembly comprises two support rods which are oppositely arranged, the bottom ends of the two support rods are respectively stuck with a shock pad, one end of each shock pad, which is away from the support rod, is abutted against the ground, and the shock pads are used for absorbing kinetic energy generated by vibration of the sliding plate.

Preferably, the silencing mechanism comprises a protective cover assembly and a connecting pipe assembly, wherein the protective cover assembly is covered on 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 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, the protective cover assembly comprises a protective cover and a silencing layer adhered to the inner wall of the protective cover, wherein the silencing 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 is arranged at the top end of the circular saw blade.

Preferably, the circular saw provided by the invention has the advantages that the connecting pipe assembly comprises a connecting pipe and a sound absorbing film, one end of the connecting pipe is connected with one side of the protective cover, which is away from the circular saw blade, the other end of the connecting pipe is connected with the supporting mechanism, and the sound absorbing 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 measuring mechanism comprises a measuring rod and a laser level device, wherein 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 two ends of the measuring rod can stretch and retract along the central axis direction of the measuring rod.

Preferably, the measuring rod comprises two telescopic rods and a connecting sleeve, wherein the two telescopic rods and the connecting sleeve are oppositely arranged, the 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 peripheral walls of the two telescopic rods.

In summary, the beneficial technical effects of the invention are as follows: the 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 slide way, one end of the cutting mechanism is inserted into the slide way, 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 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 circular saw has the advantages that the cutting precision is improved, and the noise pollution is reduced; meanwhile, the use safety is improved.

Drawings

FIG. 1 is a schematic diagram of a circular saw according to 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 according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of a measuring rod in a circular saw according to an embodiment of the present invention.

FIG. 5 is a schematic view of a connecting tube assembly of a circular saw according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a silencing mechanism in a circular saw according to an 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 rod; 1041. a shock pad; 20. a cutting mechanism; 201. a circular saw blade; 202. a fixed bracket; 30. a clamping mechanism; 301. a clamping assembly; 3011. a U-shaped clamp; 3012. a first clamping part; 3013. a second clamping portion; 3014. a fastening rod; 3015. a slide block; 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. a connection 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 according to the present disclosure includes a support mechanism 10, a cutting mechanism 20, a clamping mechanism 30, a silencing mechanism 40, and a measuring mechanism 50; a slide way 1011 is arranged at the top end of the supporting mechanism 10, one end of the cutting mechanism 20 is inserted into the slide way 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.

Wherein, the clamping mechanisms 30 are arranged at 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 object to be cut is clamped by the clamping mechanism 30, so that the object to be cut is prevented from moving in the cutting process, and 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 providing the silencing mechanism 40, noise is reduced, and the influence of noise on the human body and the environment is reduced.

Wherein, 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, thereby further improving the cutting accuracy.

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

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

In some implementations, 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 sleeve pipe.

Illustratively, the fixing support 202 may also be T-shaped, where the fixing support 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 peripheral wall of the sleeve, one end of the rotating shaft is inserted into the sleeve, and the rotating shaft can rotate relative to the sleeve.

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

The inclined plate 103 is positioned at the bottom end of the workbench assembly, the inclined plate 103 is spaced from the workbench assembly by a preset distance, the inclined plate 103 is connected with a plurality of support rod assemblies, a slideway 1011 extending along the second direction 70 of the workbench is arranged on the workbench assembly, one end of the cutting mechanism 20 is inserted into the slideway 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 scraps generated by cutting are convenient to collect.

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 supporting rod assembly is connected to the bottom end of the rectangular frame 102, and the other end of the supporting rod assembly abuts against the ground, where the supporting rod assembly may be two, three, four, etc., which is not limited in this embodiment. Wherein, the plurality of support rod assemblies are enclosed together to form a containing space, the inclined plate 103 is arranged in the containing space, and the inclined plate 103 is correspondingly arranged with the workbench assembly; to facilitate securing the cutting mechanism 20, the tilt 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 sliding track 1011, and the side of the fixing bracket 202 facing away from the circular saw blade 201 is connected to the inclined plate 103.

Further, 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 from the slideway 1011, and slide downwards into the storage 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 the labor and time are saved; meanwhile, the storage box is detachably connected with the inclined plate 103, so that waste scraps collected in the storage box can be cleaned conveniently.

With continued reference to fig. 1 to 3, in this embodiment, the table assembly includes a sliding plate 101 and a rectangular frame 102, a sliding track 1011 is provided on the sliding plate 101, the sliding track 1011 penetrates the sliding plate 101 along a direction perpendicular to the sliding plate 101, the sliding plate 101 is provided at a top end of the rectangular frame 102, the sliding plate 101 is slidably connected with the rectangular frame 102, a bottom end of the rectangular frame 102 is connected with the support rod assembly, and a circular saw blade 201 is inserted into the sliding track 1011 through the rectangular frame 102; in the use, wait to cut the object and place on slide 101, through promoting slide 101 slip, and then wait to cut the object and cut, compare with the direct promotion wait to cut the object and cut, from this, improved the security of using.

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

Wherein, at least one track 1021 is provided on the rectangular frame 102, the track 1021 extends along the second direction 70, that is, the extending direction of the track 1021 is parallel to the extending direction of the slideway 1011, at least one roller 1012 is provided at the bottom end of the slide 101, the roller 1012 is provided corresponding to the track 1021, the roller 1012 is inserted in the track 1021, and the roller 1012 can move along the track 1021; in the use process, the object to be cut is fixed on the slide plate 101, and the slide plate 101 is driven to move along the track 1021 by rolling along the track 1021 through the roller 1012, so that the object to be cut is cut, and therefore the use safety is improved.

Specifically, the rectangular frame 102 includes four connecting rods, the four connecting rods are connected end to end in sequence, the four connecting rods are enclosed together to form an accommodating space, the track 1021 is arranged in the accommodating space, and two ends of the track 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, avoiding disengagement from the track 1021 during rolling.

The track 1021 may be i-steel or channel steel, which is not limited in this embodiment.

In the above embodiment, two rails 1021 are provided on the rectangular frame 102, the two rails 1021 are provided at intervals, the number of the rollers 1012 is identical to the number of the rails 1021, and the rollers 1012 are provided corresponding to the rails 1021.

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

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

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

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

The clamping assembly 301 comprises a U-shaped clamp 3011 and a fastening rod 3014, wherein a first clamping part 3012 and a second clamping part 3013 are arranged at the opening end of the U-shaped clamp 3011, the first clamping part 3012 and the second clamping part 3013 are oppositely arranged, the first clamping part 3012 and the second clamping part 3013 extend inwards along the central axis direction of the fastening rod 3014, a mounting hole extending along the central axis direction of the fastening rod 3014 is formed in the outer side wall of the U-shaped clamp 3011, and the mounting hole penetrates through the outer side wall of the U-shaped clamp 3011; in the use, wait to cut the object and place on the top of slide 101, and at this moment, wait to cut the object and slide 101 all insert and establish in U type clamp 3011, and the mounting hole is passed to the one end of fastening rod 3014, screws fastening rod 3014, and at this moment, wait to cut the top of object and first clamping part 3012 butt, the bottom and the second clamping part 3013 butt of slide 101, from this, will wait to cut the object through the clamping component fixed on slide 101.

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

Specifically, two sliding blocks 3015 are oppositely arranged in the U-shaped clamp 3011, the two sliding blocks 3015 are located at one side of the fastening rod 3014, which faces away from the first clamping part 3012, the two sliding blocks 3015 extend inwards along the central axis direction of the fastening rod 3014, in the use process, the two sliding blocks 3015 are 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 plays a guiding role on the clamping assembly 301; after the position of the object to be cut is determined, the clamping assembly 301 on the same side as 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 silencing mechanism 40 includes a protective cover assembly 401 and a connecting pipe assembly 402, the protective cover assembly 401 is covered on the top end of the circular saw blade 201, the protective cover assembly 401 is spaced from the circular saw blade 201 by a preset distance, one end of the protective cover assembly 401 facing away from the circular saw blade 201 is connected with one end of the connecting pipe assembly 402, and the other end of the connecting pipe assembly 402 is connected with the supporting mechanism 10; by arranging the protective cover assembly 401, on one hand, the damage to the health of workers caused by scraps generated in the cutting process 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 avoid damage to the cover assembly 401 during rotation of the circular saw blade 201, the cover assembly 401 is spaced a predetermined distance from the circular saw blade 201.

Wherein, the bottom of the protective cover assembly 401 is spaced from the top of the slide plate 101 by a certain distance, thereby avoiding the protective cover assembly 401 from contacting with the object to be cut and damaging the protective cover assembly 401 during the cutting process.

Specifically, one end of the connecting tube assembly 402 is connected with the top end of the protective cover assembly 401, and the other end of the connecting tube assembly 402 is connected with the outer peripheral wall of the support rod 104; in one aspect, the support bar 104 supports the sound attenuating mechanism 40; on the other hand, during the cutting process, the noise that is not absorbed is converted into kinetic energy, which is transmitted to the support rod 104 through the silencing mechanism 40, and then the kinetic energy is absorbed through the shock pad 1041, thereby further reducing the noise.

With continued reference to fig. 2 and 6, in the present embodiment, the shield assembly 401 includes a shield 4011 and a muffler layer 4012 adhered to an inner wall of the shield 4011, and the muffler layer 4012 is used for absorbing noise generated during cutting; the protective cover 4011 is arc-shaped, the protective cover 4011 is matched with the circular saw blade 201, and the protective cover 4011 is covered on the top end of the circular saw blade 201; by attaching the noise reduction layer 4012 on the inner wall of the shield 4011, the noise reduction layer 4012 is used for absorbing noise generated during cutting, thereby reducing influence of noise on the environment and human body.

Wherein, noise damping layer 4012 can adopt noise damping cotton, noise damping layer 4012 can also adopt foam plastics, metal acoustic board etc..

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

With continued reference to fig. 2, 5 and 6, in the present embodiment, the connection pipe assembly 402 includes a connection pipe 4021 and a sound absorbing film 4022, one end of the connection pipe 4021 is connected to one side of the shield 4011 away from the circular saw blade 201, the other end of the connection pipe 4021 is connected to the supporting mechanism 10, and the sound absorbing film 4022 is attached to an inner peripheral wall of the connection pipe 4021; the sound absorbing film 4022 is for absorbing noise generated at the time of cutting; by providing the sound absorbing film 4022, the influence of noise on the environment and human body is further reduced.

The connection tube 4021 includes a first connection portion 40211, a second connection portion 40212, a third connection portion 40213, and a fourth connection portion 40214, where the first connection portion 40211, the second connection portion 40212, the third connection portion 40213, and the fourth connection portion 40214 are all rod-shaped, the first connection portion 40211 and the third connection portion 40213 are oppositely disposed, the second connection portion 40212 and the fourth connection portion 40214 are oppositely disposed, the central axis of the first connection portion 40211 and the central axis of the second connection portion 40212 are perpendicular to the ground, and the central axes of the third connection portion 40213 and the fourth connection portion 40214 are parallel to the second direction 70 of the workbench assembly; the first connection portion 40211, the second connection portion 40212, the third connection portion 40213, and the fourth connection portion 40214 are sequentially connected, one end of the first connection portion 40211 facing away from the second connection portion 40212 is connected to the shield 4011, and one end of the fourth connection portion 40214 facing away from the third connection portion 40213 is connected to an outer peripheral wall of the support rod 104.

The material of the sound absorbing film 4022 is substantially the same as that of the muffler 4012, and the material of the sound absorbing film 4022 will not be described in detail herein.

With continued reference to fig. 1 to 4, in this embodiment, the measuring mechanism 50 includes a measuring rod 501 and a laser level 502, the peripheral wall of the measuring rod 501 is connected with the silencing mechanism 40, one end of the measuring rod 501 is detachably connected with the laser level 502, and both ends of the measuring rod 501 can stretch along the 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 use process, the laser level 502 is turned on, the laser level 502 irradiates two perpendicular intersecting light rays on the sliding plate 101, the object to be cut takes the light ray extending along the second direction 70 as an initial line, the extending direction of the object to be cut is parallel to the extending direction of the other light ray, that is, the extending direction of the object to be cut is parallel to the first direction 60, then the measuring rod 501 is extended, and the length of the object to be cut is measured, so that the cutting precision is improved.

In use, the central axis of the measuring rod 501 extends along the first direction 60.

Further, in the present 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 with the silencing mechanism 40, the large diameter ends of the two telescopic rods 5011 are respectively connected with 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, be convenient for measure.

Wherein, the center axis of telescopic link 5011 is parallel with the axis of adapter sleeve 5012, in some realizable modes, the axis of telescopic link 5011 and the axis of adapter sleeve 5012 are collinearly set up, and the big footpath end of telescopic link 5011 is connected with the one end of adapter sleeve 5012, and the connection can be dismantled with laser level 502 to the path end of telescopic link 5011, from this, is convenient for maintain laser level 502.

For example, the telescopic rod 5011 and the laser level 502 may be connected by a threaded connection, and of course, the telescopic rod 5011 and the laser level 502 may also be connected by a clamping connection. In the realizable mode that the telescopic rod 5011 is in threaded connection with the laser level 502, an external thread is formed on the outer peripheral wall of the small-diameter end of the telescopic rod 5011, and a threaded hole matched with the external thread is formed on the laser level 502, so that the telescopic rod 5011 is detachably connected with the laser level 502.

Specifically, the outer peripheral wall of the connection sleeve 5012 is connected to the outer peripheral wall of the end of the second connection portion 40212 that faces the first connection portion 40211; thereby, the measuring mechanism 50 is fixed.

The working process of the circular saw 1 provided in this embodiment is as follows: firstly, opening a laser level 502, irradiating the laser level 502 to two light rays which are perpendicularly intersected on the sliding plate 101, taking the light rays extending along the second direction 70 as an initial line, and enabling the extending direction of the object to be cut to be parallel to the extending direction of the other light rays; then, the length of the object to be cut is measured by extending one end of the measuring rod 501 away from the laser level 502; after the measurement is completed, the clamping assembly 301 is slid along the chute 1013, so that one end of the object to be cut is fixed by the clamping assembly 301, the other clamping assembly 301 is detached from the slide plate 101, the other end of the object to be cut is fixed, the disc saw blade 201 rotates, the slide 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, so that 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; a slide way 1011 is arranged at the top end of the supporting mechanism 10, one end of the cutting mechanism 20 is inserted into the slide way 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; the arrangement improves the cutting precision and reduces the noise pollution compared with the circular saw 1 in the prior art; 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 transportation and convenient operation.

It should be noted that in this document relational terms such as first and second, and the like are 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present invention and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.

Claims

1. A circular saw, characterized in that: 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 slide way, one end of the cutting mechanism is inserted into the slide way, 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;

the cutting mechanism comprises a disc saw blade and a fixed support, wherein 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 and is rotatably connected with the fixed support, and one end of the fixed support, which is away from the rotating shaft, is connected with the supporting mechanism;

the disc saw blade is inserted into the slideway, can slide along the slideway and can rotate relative to the supporting mechanism;

the supporting mechanism comprises a workbench assembly, an inclined plate and a plurality of supporting rod assemblies, wherein the supporting rod assemblies are arranged at the bottom end of the workbench assembly, and the supporting rod assemblies are arranged at intervals along the first direction of the workbench assembly;

the inclined plate is positioned at the bottom end of the workbench assembly, the inclined plate is spaced from the workbench assembly by a preset distance, the inclined plate is connected with a plurality of support rod assemblies, the workbench assembly is provided with a slideway extending along the second direction of the workbench, one end of the cutting mechanism is inserted into the slideway, and the other end of the cutting mechanism is connected with the inclined plate;

the workbench assembly comprises a sliding plate and a rectangular frame, the sliding plate is arranged on the sliding plate, the sliding plate is arranged at the top end of the rectangular frame, the bottom end of the rectangular frame is connected with the supporting rod assembly, at least one track is arranged on the rectangular frame, the track extends along the second direction, at least one roller is arranged at the bottom end of the sliding plate, the roller is arranged corresponding to the track, the roller is inserted into the track, and the roller can move along the track;

the support rod assembly comprises two support rods which are oppositely arranged, shock absorption pads are adhered to the bottom ends of the two support rods, one ends of the shock absorption pads, which deviate from the support rods, are abutted to the ground, and the shock absorption pads are used for absorbing kinetic energy generated by vibration of the sliding plate;

the silencing mechanism comprises a protective cover assembly and a connecting pipe assembly, wherein the protective cover assembly covers the top end of the circular saw blade, the protective cover assembly is separated from the circular saw blade by a preset distance, one end of the protective cover assembly, which is 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.

2. The circular saw of claim 1, wherein: the protective cover assembly comprises a protective cover and a silencing layer adhered to the inner wall of the protective cover, and the silencing 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 is arranged at the top end of the circular saw blade.

3. The circular saw of claim 2, wherein: the connecting pipe assembly comprises a connecting pipe and a sound absorbing film, one end of the connecting pipe is connected with one side of the protective cover, which is away from the disc saw blade, the other end of the connecting pipe is connected with the supporting mechanism, and the sound absorbing film is attached to the inner peripheral wall of the connecting pipe; the sound absorbing film is used for absorbing noise generated during cutting.

4. The circular saw of 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 two ends of the measuring rod can stretch and retract along the central axis direction of the measuring rod.

5. The circular saw of claim 4, wherein: the measuring rod comprises two telescopic rods and a connecting sleeve, wherein the two telescopic rods and the connecting sleeve are oppositely arranged, the 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 peripheral wall of the telescopic rods.