CN213469811U - Movable circular saw - Google Patents

Abstract

The utility model relates to a portable circular saw, it includes the workstation, be equipped with two conveyer belts that are close to each other on the workstation, the support frame of arranging the conveyer belt top in has set firmly on the workstation, sliding connection has the saw cutting subassembly on the support frame, saw cut the subassembly and arrange in between two conveyer belts, saw cut the slip direction of subassembly and the direction of transportation mutually perpendicular of conveyer belt, set firmly two vertical centre gripping subassemblies of arranging the conveyer belt top in on the support frame, two vertical centre gripping subassemblies distribute and arrange the both sides of saw cutting the subassembly respectively in along the direction of transportation of conveyer belt. Saw cut the subassembly and saw cut the steel grating through the centre gripping of vertical centre gripping subassembly to the steel grating, and then improve the stability of steel grating when saw cutting, this application has the effect that improves the steel grating and saw cut the precision.

Description

Movable circular saw

Technical Field

The application relates to the field of machining equipment, in particular to a movable circular saw.

Background

With the development of modern manufacturing industry towards high efficiency, high precision and economy, sawing is an important component in the process of machining parts as a starting point of metal cutting. The sawing machine can save materials, reduce secondary processing amount and improve production efficiency, so the sawing machine is widely applied to various fields of national economy such as steel, machinery, automobiles, shipbuilding, petroleum, mines, aerospace and the like, and in the process of producing and processing the steel grating, sawing processing equipment is also needed to saw and process the welded and formed steel grating.

The existing chinese patent publication No. CN107931720A discloses a circular sawing machine, which includes: bed seat, bed platform and saw cut the device, saw cut the device and include: the crossbeam, set up transverse feeding device and cutting device on the crossbeam, cutting device is including combining the seat, set up saw bit motor and rotating device on combining the seat, drive pivoted circular saw piece by rotating device, one side of circular saw piece is provided with cooling nozzle, cooling nozzle fastens on combining the seat through the connecting plate, be provided with the scurf steel brush directly over the cooling nozzle, the one end of scurf steel brush is connected with the oil motor, the oil motor fastens on the connecting plate.

In view of the above related art, the inventor believes that the circular sawing machine can improve the sawing efficiency and clear up the chips, but when the circular sawing machine performs sawing processing on the steel grating, the steel grating shakes due to the sawing, and the precision of sawing the steel grating is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve the stability of steel grating when sawing, improve the saw cutting precision to steel grating, this application provides a portable circular saw.

The application provides a portable circular saw adopts following technical scheme:

the utility model provides a portable circular saw, comprises a workbench, be equipped with two conveyer belts that are close to each other on the workstation, the support frame of arranging the conveyer belt top in has set firmly on the workstation, sliding connection has the subassembly of saw cutting on the support frame, saw cut the subassembly and arrange in between two conveyer belts, the slip direction of saw cutting the subassembly and the direction of transportation mutually perpendicular of conveyer belt, set firmly two vertical centre gripping subassemblies of arranging the conveyer belt top in on the support frame, two vertical centre gripping subassemblies distribute and arrange the both sides of saw cutting the subassembly respectively in along the direction of transportation of conveyer belt, vertical centre gripping subassembly includes vertical cylinder, vertical cylinder and support frame fixed connection, the output shaft of vertical cylinder sets firmly the vertical grip slipper of arranging the conveyer.

Through adopting above-mentioned technical scheme, the workstation plays the effect of supporting the conveyer belt, when the conveyer belt is placed with the steel grating to the operator on, the conveyer belt plays the effect of transportation steel grating, the support frame plays the effect that the support saw cuts subassembly and vertical centre gripping subassembly, when the steel grating transports to suitable position, vertical cylinder drives vertical grip slipper motion, through the mutually supporting of vertical grip slipper and conveyer belt, press from both sides tightly the steel grating, the motion of subassembly is saw cut to the rethread this moment, saw cut the steel grating, through the centre gripping of vertical centre gripping subassembly to the steel grating, and then improve the stability of steel grating when saw cutting, the effect that the precision was saw cut to the steel grating has the improvement.

It is optional, saw cut the subassembly and include saw cut the frame, saw cut frame and support frame sliding connection, the below of saw cut the frame is rotated and is connected with the disc saw bit of arranging in between two conveyer belts, one side of disc saw bit has set firmly the connecting axle, saw cut and be equipped with the regulating plate on the frame, the one end of regulating plate with saw cut the frame articulated, the last articulated adjusting screw who has the regulating plate other end of arranging in of saw cut the frame, adjusting screw runs through the regulating plate, threaded connection has two adjusting nut of arranging the regulating plate both sides in on the adjusting screw, driving motor has set firmly on the regulating plate, driving motor's output shaft.

Through adopting above-mentioned technical scheme, saw cut the effect that the frame played the support disc saw bit, the operator starts driving motor, driving motor's output shaft rotates, and then drive the connecting axle through the belt and rotate, finally realize the rotation of disc saw bit, saw cut the steel grating through the rotation of disc saw bit, when the belt is not hard up between connecting axle and driving motor's output shaft, the operator rotates the regulating plate, through adjusting the gradient of regulating plate on saw cutting the frame, and then the elasticity of adjustment belt, and then be convenient for the operator to change the elasticity of belt and regulation belt, after the gradient regulation of regulating plate is good, rethread adjusting screw and adjusting nut's mutually support, it carries out the position to prescribe a limit to adjust the plate to twist adjusting nut, through the clamp of two adjusting nut to the regulating plate, and then improve the stability of regulating plate.

Optionally, sliding connection has two sets of horizontal centre gripping subassemblies on the workstation, and every two horizontal centre gripping subassemblies are a set of, and two horizontal centre gripping subassemblies distribute and arrange the both sides of conveyer belt respectively in along the direction of transportation of perpendicular to conveyer belt.

Through adopting above-mentioned technical scheme, the both sides of conveyer belt are arranged respectively in to two horizontal centre gripping subassemblies, through the sliding fit of horizontal centre gripping subassembly, and then press from both sides tightly the both sides of steel grating, further improve the stability of steel grating at the saw cutting in-process.

Optionally, the horizontal clamping assembly comprises a horizontal clamping seat, the horizontal clamping seat is arranged on the workbench and slides on the workbench along the direction perpendicular to the conveying direction of the conveying belt, the end part of the longitudinal clamping seat is arranged above the horizontal clamping seat, an inclined guide pillar is fixedly arranged at the bottom end of the longitudinal clamping seat, the inclined guide pillar inclines towards the direction far away from the longitudinal clamping seat, and an inclined guide groove opposite to the inclined guide pillar is formed in the horizontal clamping seat.

Through adopting above-mentioned technical scheme, horizontal grip slipper slides on the workstation, vertical grip slipper makes the oscilaltion motion on the conveyer belt, through the mutually supporting of oblique guide pillar and oblique guide slot, realize when vertical grip slipper moves to the direction of conveyer belt, promote horizontal grip slipper to the direction that is close to the conveyer belt through oblique guide pillar and oblique guide slot, when vertical grip slipper moves to the direction of keeping away from the conveyer belt, promote horizontal grip slipper to the direction of keeping away from the conveyer belt through oblique guide pillar and oblique guide slot, realize the linkage between vertical grip slipper and the horizontal grip slipper, make a vertical grip slipper motion drive two horizontal grip slipper simultaneous movement simultaneously, further improve the stability of steel grating in clamping process.

Optionally, one side that horizontal grip slipper is close to the conveyer belt has set firmly a plurality of horizontal damping spring, and the one end that horizontal damping spring kept away from horizontal grip slipper has set firmly horizontal grip block.

Through adopting above-mentioned technical scheme, when horizontal grip slipper drives horizontal grip block when moving to the direction motion of steel grating, conflict until horizontal grip block and steel grating, saw cut the steel grating through saw cutting the subassembly this moment, the steel grating produces the vibration at the in-process that saw cuts, horizontal damping spring plays and relaxes and absorbing effect, the vibrational force that produces on the steel grating transmits horizontal damping spring through horizontal grip block, through the relaxation of horizontal damping spring, the vibrational force that the shock attenuation transmitted, and then play the effect of the horizontal grip slipper of protection.

Optionally, one side of the longitudinal clamping seat close to the conveying belt is fixedly provided with a plurality of longitudinal damping springs, and one end of each longitudinal damping spring far away from the longitudinal clamping seat is fixedly provided with a longitudinal clamping plate.

Through adopting above-mentioned technical scheme, when vertical grip slipper drives vertical grip slipper and during to the direction motion of steel grating, conflict until vertical grip slipper and steel grating, saw cut the steel grating through saw cutting the subassembly this moment, the steel grating produces the vibration at the in-process that saw cuts, vertical damping spring plays and relaxes and absorbing effect, the vibrational force that produces on the steel grating transmits vertical damping spring through vertical grip slipper, through the relaxation of vertical damping spring, the vibrational force that the shock attenuation transmitted, and then play the effect of the vertical grip slipper of protection.

Optionally, a working cover is fixedly arranged on the working table, and the support frame is arranged in the working cover.

Through adopting above-mentioned technical scheme, the work cover with the support frame, saw cut the subassembly, horizontal centre gripping subassembly and vertical centre gripping subassembly all covers in inside, play the protection and saw cut the effect of subassembly, horizontal centre gripping subassembly and vertical centre gripping subassembly, saw cut the subassembly when saw cutting the steel grating, produce a large amount of sparks, the work cover still plays the effect of isolated spark.

Optionally, a flow guide pipe for communicating the inside of the working cover with the outside is arranged on the working cover, an exhaust fan is arranged in the working cover, and the exhaust fan is arranged at the end of the flow guide pipe.

Through adopting above-mentioned technical scheme, when saw cutting the subassembly and saw cut the steel grating, can produce smog, operator starts the air discharge fan this moment, and in the air discharge fan rotated and took smog to the water conservancy diversion pipe, discharged smog through the honeycomb duct, and then the work environment near the protection saw cuts the station.

It is optional, sliding connection has the feeding frame on the conveyer belt of feed end, the direction slip of feeding frame along the conveyer belt, the last motor power that has set firmly of feeding frame, it is connected with the drive shaft with conveyer belt direction of transportation mutually perpendicular to rotate on the feeding frame, motor power and drive shaft connection, the both ends of drive shaft have set firmly drive gear, the both sides of conveyer belt have set firmly respectively and have driven the rack with conveyer belt direction of transportation be parallel to each other, drive gear is connected with driving rack meshing, the last lift cylinder that has set firmly of feeding frame, the connecting plate of arranging the conveyer belt top in has set firmly on the output shaft of lift cylinder, one side that the feeding frame was kept away from to the connecting plate is equipped with two clamp bars, the one end that the connecting plate was kept away.

Through adopting above-mentioned technical scheme, place the steel grating on the conveyer belt of feed end when the operator, motor power rotates this moment, rotation through the drive shaft drives drive gear and rotates on driving the rack, and then for the feeding frame provides power, the concertina movement through the lift cylinder this moment, drive the connecting plate and make the elevating movement from top to bottom in vertical direction, drive the motion of clamping bar through the connecting plate this moment, and then drive centre gripping cylinder and clamping jaw motion, the cooperation of being connected between rethread centre gripping cylinder and the clamping jaw, carry out the centre gripping to the steel grating, promote the steel grating and carry out more accurate feeding motion, traditional artificial manual marking has been replaced, further improved the precision of steel grating at the saw cutting in-process when using manpower sparingly.

Optionally, the clamping rods are connected with the connecting plate in a sliding mode, the sliding direction of the clamping rods is perpendicular to the conveying direction of the conveying belt, the connecting plate is rotatably connected with adjusting rotating rods parallel to the sliding direction of the clamping rods, the two ends of each adjusting rotating rod are in a reverse-thread shape, and the two clamping rods are respectively arranged at the two ends of each adjusting rotating rod and are in threaded connection with the adjusting rotating rods.

Through adopting above-mentioned technical scheme, the operator can realize the regulation on pressing from both sides the material pole position according to the specification and the shape of actual steel grating, adjusts the bull stick through rotating, and then changes two distances that press from both sides between the material pole, improves the application scope of centre gripping cylinder and clamping jaw to the steel grating centre gripping.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when an operator places the steel grating on the conveying belt, the conveying belt plays a role in conveying the steel grating, when the steel grating is conveyed to a proper position, the longitudinal cylinder drives the longitudinal clamping seat to move, the steel grating is clamped through the mutual matching of the longitudinal clamping seat and the conveying belt, the steel grating is sawn through the movement of the sawing component, the steel grating is clamped through the longitudinal clamping component, the stability of the steel grating during sawing is improved, and the effect of improving the sawing precision of the steel grating is achieved;

2. an operator starts a driving motor, an output shaft of the driving motor rotates, a connecting shaft is driven to rotate through a belt, rotation of a disc saw blade is finally achieved, a steel grating plate is sawed through rotation of the disc saw blade, when the belt is loosened between the connecting shaft and the output shaft of the driving motor, the operator rotates an adjusting plate, the tightness of the belt is adjusted by adjusting the inclination of the adjusting plate on a sawing frame, the operator can replace the belt and adjust the tightness of the belt conveniently, after the inclination of the adjusting plate is adjusted, the adjusting plate is limited in position through mutual matching of an adjusting screw rod and an adjusting nut, the adjusting plate is clamped through the two adjusting nuts, and the stability of the adjusting plate is improved;

3. the horizontal clamping seat slides on the workbench, the vertical clamping seat performs up-and-down movement on the conveyor belt, through the mutual matching of the inclined guide post and the inclined guide groove, when the vertical clamping seat moves towards the direction of the conveyor belt, the horizontal clamping seat is pushed towards the direction close to the conveyor belt through the inclined guide post and the inclined guide groove, when the vertical clamping seat moves towards the direction far away from the conveyor belt, the horizontal clamping seat is pushed towards the direction far away from the conveyor belt through the inclined guide post and the inclined guide groove, the linkage between the vertical clamping seat and the horizontal clamping seat is realized, one vertical clamping seat moves to simultaneously drive the two horizontal clamping seats to move simultaneously, and the stability of the steel grating in the clamping process is further improved.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

FIG. 2 is a schematic structural diagram of a sawing assembly, a transverse clamping assembly and a longitudinal clamping assembly in an embodiment.

Fig. 3 is a longitudinal cross-sectional view of the sawing assembly, the lateral clamping assembly and the longitudinal clamping assembly of the embodiment.

Fig. 4 is a partially enlarged view of a in fig. 3.

Fig. 5 is a longitudinal sectional view of the work cowl, the draft tube, and the exhaust fan in the embodiment.

FIG. 6 is a schematic structural diagram of a feeding frame and a power motor in the embodiment.

FIG. 7 is a schematic structural diagram of a clamping cylinder and an adjusting rotary rod in the embodiment.

Description of reference numerals: 1. a work table; 2. a conveyor belt; 21. a drive rack; 3. a support frame; 4. a sawing component; 41. a sawing frame; 42. a circular saw blade; 43. a connecting shaft; 44. a belt; 45. a drive motor; 46. an adjusting plate; 47. adjusting the screw rod; 48. adjusting the nut; 49. a driving cylinder; 5. a longitudinal clamping assembly; 51. a longitudinal cylinder; 52. a longitudinal clamping seat; 53. a longitudinal damping spring; 54. a longitudinal clamping plate; 55. an inclined guide post; 6. a lateral clamping assembly; 61. a transverse clamping seat; 62. a lateral damping spring; 63. a transverse clamping plate; 64. an inclined guide groove; 7. a working cover; 8. a working door; 9. a flow guide pipe; 10. an exhaust fan; 11. a feeding frame; 12. a power motor; 13. a drive shaft; 14. a drive gear; 15. a lifting cylinder; 16. a connecting plate; 17. a material clamping rod; 18. a clamping jaw; 19. a clamping cylinder; 20. adjusting the rotating rod; 201. the rotating handle is adjusted.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses portable circular saw.

Referring to fig. 1 and 2, the movable circular saw comprises a workbench 1, wherein two conveyor belts 2 close to each other are installed on the workbench 1, and the conveyor belts 2 are horizontally and linearly distributed. The supporting frame 3 arranged above the conveying belt 2 is fixedly arranged on the working table 1, the supporting frame 3 is connected with a saw cutting assembly 4 in a sliding mode, the saw cutting assembly 4 is arranged between the two conveying belts 2, and the sliding direction of the saw cutting assembly 4 is perpendicular to the conveying direction of the conveying belts 2. When an operator places the steel grating on the conveyor belt 2, the conveyor belt 2 transports the steel grating. When the steel grating is transported to a proper position, the steel grating is transversely sawed through the movement of the sawing component 4, and the sawing process of the steel grating is completed.

Referring to fig. 2 and 3, the sawing assembly 4 includes a sawing frame 41 and two driving cylinders 49, the sawing frame 41 slides on the support frame 3 along the horizontal direction, the driving cylinders 49 are horizontal and are fixedly connected with the inner side wall of the support frame 3, the output shafts of the driving cylinders 49 are fixedly connected with the sawing frame 41, and the sawing frame 41 is driven to slide on the support frame 3 by the movement of the driving cylinders 49. A circular saw blade 42 is rotatably connected to the lower portion of the sawing frame 41 and disposed between the two conveyor belts 2, and the circular saw blade 42 is vertical. A connecting shaft 43 coaxial with the disc saw blade 42 is fixedly arranged on one side of the disc saw blade 42, and the connecting shaft 43 is horizontal. An adjusting plate 46 is arranged on the sawing frame 41, a driving motor 45 is fixedly arranged on the adjusting plate 46, and an output shaft of the driving motor 45 is connected with the connecting shaft 43 through a belt 44. The operator starts the driving motor 45, the output shaft of the driving motor 45 rotates, the belt 44 drives the connecting shaft 43 to rotate, the disc saw blade 42 finally rotates, and the steel grating is sawed through the rotation of the disc saw blade 42.

Referring to fig. 2 and 3, one end of the adjusting plate 46 is hinged to the sawing frame 41, two adjusting screws 47 disposed at the other end of the adjusting plate 46 are hinged to the sawing frame 41, the adjusting screws 47 penetrate through the adjusting plate 46 and move in the adjusting plate 46, and two adjusting nuts 48 disposed at two sides of the adjusting plate 46 are in threaded connection with the adjusting screws 47. When the belt 44 loosens between the connecting shaft 43 and the output shaft of the driving motor 45, the operator rotates the adjusting plate 46, and the tightness of the belt 44 is adjusted by adjusting the inclination of the adjusting plate 46 on the sawing frame 41, so that the operator can conveniently replace the belt 44 and adjust the tightness of the belt 44. After the inclination of the adjusting plate 46 is adjusted, the adjusting screw 47 is matched with the adjusting nut 48, and the adjusting nut 48 is screwed to position the adjusting plate 46. The stability of the adjusting plate 46 is increased by the clamping of the adjusting plate 46 by the two adjusting nuts 48.

Referring to fig. 2 and 3, two longitudinal clamping assemblies 5 arranged above the conveyor belt 2 are fixedly arranged on the support frame 3, the two longitudinal clamping assemblies 5 are distributed along the conveying direction of the conveyor belt 2 and are respectively arranged on two sides of the sawing assembly 4, each longitudinal clamping assembly 5 comprises two vertical longitudinal cylinders 51, each longitudinal cylinder 51 is fixedly connected with the support frame 3, an output shaft of each longitudinal cylinder 51 is fixedly provided with a longitudinal clamping seat 52 arranged above the conveyor belt 2, and each longitudinal clamping seat 52 is horizontal. When the steel grating transported to suitable position, vertical cylinder 51 drove vertical holder 52 motion, through mutually supporting of vertical holder 52 and conveyer belt 2, presss from both sides tightly the steel grating, again through the motion of sawing subassembly 4 this moment, saw cuts the steel grating, through the centre gripping of vertical centre gripping subassembly 5 to the steel grating, improves the stability of steel grating when sawing, further improves the precision when the steel grating saw cuts.

Referring to fig. 2 and 3, five vertical longitudinal damping springs 53 are fixedly arranged on one side of the longitudinal clamping seat 52 close to the conveyor belt 2, and a horizontal longitudinal clamping plate 54 is fixedly arranged on one end of each longitudinal damping spring 53 far away from the longitudinal clamping seat 52. When vertical grip slipper 52 drives vertical grip slipper 54 to the direction motion of steel grating, until vertical grip slipper 54 contradicts with the steel grating, saw cut the steel grating through saw cutting subassembly 4 this moment, the steel grating produces the vibration at the in-process of saw cutting, vertical damping spring 53 plays and relaxes and the absorbing effect, the vibrational force that produces on the steel grating transmits vertical damping spring 53 through vertical grip slipper 54, through the relaxation of vertical damping spring 53, the vibrational force that the shock attenuation transmitted, and then the vertical grip slipper 52 of protection.

Referring to fig. 2 and 3, the workbench 1 is slidably connected with two sets of transverse clamping assemblies 6, each two transverse clamping assemblies 6 are in one set, the two transverse clamping assemblies 6 are distributed along the transportation direction perpendicular to the conveyor belt 2 and are respectively arranged on two sides of the conveyor belt 2, and the two transverse clamping assemblies 6 and one longitudinal clamping assembly 5 are arranged in the same vertical plane. Through the sliding fit of horizontal centre gripping subassembly 6, press from both sides tightly the both sides of steel grating, further improve the stability of steel grating at the saw cutting in-process.

Referring to fig. 2 and 4, the transverse gripping assembly 6 comprises a transverse gripping seat 61, the transverse gripping seat 61 being placed on the work table 1 and sliding on the work table 1 in a direction perpendicular to the transport direction of the conveyor belt 2, the end of the longitudinal gripping seat 52 being placed directly above the transverse gripping seat 61. The bottom end of the longitudinal clamping seat 52 is fixedly provided with an inclined guide post 55, the inclined guide post 55 inclines towards the direction far away from the longitudinal clamping seat 52, and the transverse clamping seat 61 is provided with an inclined guide groove 64 which is opposite to the inclined guide post 55. The longitudinal holder 52 moves up and down on the conveyor belt 2, and when the longitudinal holder 52 moves towards the conveyor belt 2, the inclined guide post 55 and the inclined guide groove 64 push the transverse holder 61 towards the conveyor belt 2 through the cooperation of the inclined guide post 55 and the inclined guide groove 64. When the longitudinal clamping seat 52 moves towards the direction far away from the conveyor belt 2, the transverse clamping seat 61 is pushed towards the direction far away from the conveyor belt 2 through the inclined guide post 55 and the inclined guide groove 64, so that the linkage between the longitudinal clamping seat 52 and the transverse clamping seat 61 is realized, one longitudinal clamping seat 52 moves and simultaneously drives two transverse clamping seats 61 to move simultaneously, and the steel grating is further clamped.

Referring to fig. 2 and 4, three horizontal shock absorbing springs 62 are fixedly arranged on one side of the transverse clamping seat 61 close to the conveyor belt 2, and a vertical transverse clamping plate 63 is fixedly arranged at one end of the transverse shock absorbing spring 62 far away from the transverse clamping seat 61. When horizontal grip slipper 61 drives horizontal grip slipper 63 and during to the direction motion of steel grating, contradict until horizontal grip slipper 63 and steel grating, saw cut the steel grating through saw cutting subassembly 4 this moment, the steel grating produces the vibration at the in-process of saw cutting, horizontal damping spring 62 plays and relaxes and the absorbing effect, the vibrational force that produces on the steel grating transmits horizontal damping spring 62 through horizontal grip slipper 63, through the relaxation of horizontal damping spring 62, the vibrational force that the shock attenuation transmitted, protect horizontal grip slipper 61.

Referring to fig. 1 and 2, a working cover 7 is fixedly arranged on a working table 1, a supporting frame 3 is arranged in the working cover 7, the supporting frame 3, a saw cutting assembly 4, a transverse clamping assembly 6 and a longitudinal clamping assembly 5 are covered inside the working cover 7, the saw cutting assembly 4, the transverse clamping assembly 6 and the longitudinal clamping assembly 5 are protected, a large number of sparks are generated when the saw cutting assembly 4 is used for saw cutting a steel grating, and the working cover 7 also plays a role in isolating sparks.

Referring to fig. 1 and 2, the working cover 7 is hinged with a working door 8 which is used for communicating the inside of the working cover 7 with the outside, when the sawing component 4, the transverse clamping component 6 or the longitudinal clamping component 5 have faults, an operator opens the working door 8, the sawing component 4, the transverse clamping component 6 or the longitudinal clamping component 5 in the working cover is convenient for the operator to saw, and the operation and the use of the operator are convenient.

Referring to fig. 2 and 5, two draft tubes 9 communicating the inside of the work hood 7 with the outside are fixedly arranged on one side of the work hood 7, an exhaust fan 10 is fixedly arranged in the work hood 7, and the exhaust fan 10 is arranged at the end position of the draft tube 9 close to the work hood 7. Saw cutting when subassembly 4 saw cuts the steel grating, can produce smog, operator starts air discharge fan 10 this moment, and air discharge fan 10 rotates and takes out smog to honeycomb duct 9 in, discharges smog through honeycomb duct 9, further protects the operational environment who saw cuts near the station.

Referring to fig. 6, a horizontal feeding frame 11 is slidably connected to the conveyor belt 2 at the feeding end, and the feeding frame 11 slides along the direction of the conveyor belt 2. A power motor 12 is fixedly arranged on the feeding frame 11, a driving shaft 13 which is perpendicular to the conveying direction of the conveyor belt 2 is rotatably connected to the feeding frame 11, the driving shaft 13 is horizontal, and the power motor 12 is connected with the driving shaft 13. Two ends of the driving shaft 13 are respectively and fixedly provided with a driving gear 14, two sides of the conveyor belt 2 are respectively and fixedly provided with a driving rack 21 which is parallel to the conveying direction of the conveyor belt 2, the driving rack 21 is horizontal, and the driving gear 14 is meshed with the driving rack 21. When an operator places the steel grating on the conveyor belt 2 at the feeding end, the power motor 12 rotates, the driving gear 14 is driven to rotate on the driving rack 21 through the rotation of the driving shaft 13, and then power is provided for the feeding frame 11.

Referring to fig. 6, two vertical lifting cylinders 15 are fixedly arranged on the feeding frame 11, a connecting plate 16 arranged above the conveyor belt 2 is fixedly arranged on an output shaft of the lifting cylinder 15, and the connecting plate 16 is horizontal and slides along the vertical direction on the feeding frame 11. The lifting cylinder 15 is driven to move up and down in the vertical direction by the telescopic motion of the connecting plate 16.

Referring to fig. 6 and 7, two material clamping rods 17 are installed on one side of the connecting plate 16 away from the feeding frame 11, a clamping cylinder 19 is fixedly installed at one end of each material clamping rod 17 away from the connecting plate 16, and a clamping jaw 18 is installed on an output shaft of each clamping cylinder 19. Through the cooperation of being connected between centre gripping cylinder 19 and the clamping jaw 18, carry out the centre gripping to the steel grating, through the cooperation of power motor 12 and lift cylinder 15, replace artifical and traditional 2 transport modes of conveyer belt, promote the steel grating and carry out more accurate feeding motion, replaced the manual marking of traditional manual, further improved the precision of steel grating at the saw cutting in-process when using manpower sparingly.

Referring to fig. 7, the material clamping rods 17 are slidably connected to the connecting plate 16, the material clamping rods 17 slide along the horizontal direction, the sliding direction of the material clamping rods 17 is perpendicular to the conveying direction of the conveyor belt 2, the connecting plate 16 is rotatably connected to adjusting rotating rods 20 parallel to the sliding direction of the material clamping rods 17, two ends of each adjusting rotating rod 20 are in a reverse-thread shape, the two material clamping rods 17 are respectively arranged at two ends of each adjusting rotating rod 20 and are in threaded connection with the adjusting rotating rods 20, and one end of each adjusting rotating rod 20 is fixedly provided with a circular adjusting rotating handle 201. An operator adjusts the rotating handle 201 through rotation according to the specification and the shape of an actual steel grating plate, then drives the adjusting rotating rod 20 to rotate, further changes the distance between the two material clamping rods 17, realizes the adjustment of the distance between the two clamping jaws 18, and finally expands the application range of the clamping cylinder 19 and the clamping jaws 18 to the steel grating plate.

The implementation principle of the movable circular saw in the embodiment of the application is as follows: the operator adjusts the gradient of regulating plate 46 on sawing frame 41 earlier, make belt 44 between driving motor 45 output shaft and the connecting axle 43 be in under the state of tightening, twist adjusting nut 48 again, fasten the position of regulating plate 46 through adjusting nut 48 and adjusting screw 47's cooperation, place the steel grating on conveyer belt 2 this moment, through motor power 12, lift cylinder 15 and clamping cylinder 19 mutually support, make clamping jaw 18 carry out the centre gripping to the steel grating, and then carry out accurate transportation to the steel grating, rethread vertical clamping component 5 and the centre gripping of horizontal clamping component 6 to the steel grating, saw cut the steel grating through saw cutting component 4 at last, the realization is to the stable cutting of steel grating.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A portable circular saw, comprising: including workstation (1), be equipped with two conveyer belt (2) that are close to each other on workstation (1), support frame (3) of arranging conveyer belt (2) top in have set firmly on workstation (1), sliding connection has on support frame (3) saw cuts subassembly (4), saw cut subassembly (4) and arrange in between two conveyer belt (2), the slip direction of saw cutting subassembly (4) and the direction of transportation mutually perpendicular of conveyer belt (2), set firmly two vertical centre gripping subassemblies (5) of arranging conveyer belt (2) top in on support frame (3), two vertical centre gripping subassemblies (5) distribute and arrange respectively in the both sides of saw cutting subassembly (4) along the direction of transportation of conveyer belt (2), vertical centre gripping subassembly (5) are including vertical cylinder (51), vertical cylinder (51) and support frame (3) fixed connection, the output shaft of vertical cylinder (51) sets firmly vertical grip slipper (52) of arranging conveyer belt (2) top in.

2. A portable circular saw as defined in claim 1, wherein: saw cut subassembly (4) including saw cut frame (41), saw cut frame (41) and support frame (3) sliding connection, the below of saw cut frame (41) is rotated and is connected with disc saw bit (42) of arranging in between two conveyer belts (2), one side of disc saw bit (42) has set firmly connecting axle (43), be equipped with regulating plate (46) on saw cut frame (41), the one end and the saw of regulating plate (46) cut frame (41) are articulated, it has adjusting screw (47) of arranging the regulating plate (46) other end to articulate on saw cut frame (41), adjusting screw (47) run through regulating plate (46), threaded connection has two adjusting nut (48) of arranging regulating plate (46) both sides in on adjusting screw (47), driving motor (45) have set firmly on regulating plate (46), the output shaft of driving motor (45) passes through belt (44) and is connected with connecting axle (43).

3. A portable circular saw as defined in claim 1, wherein: the automatic conveying device is characterized in that two groups of transverse clamping assemblies (6) are connected to the workbench (1) in a sliding mode, each two transverse clamping assemblies (6) are one group, and the two transverse clamping assemblies (6) are distributed along the conveying direction perpendicular to the conveying belt (2) and are arranged on two sides of the conveying belt (2) respectively.

4. A portable circular saw as defined in claim 3, wherein: the horizontal clamping assembly (6) comprises a horizontal clamping seat (61), the horizontal clamping seat (61) is arranged on the workbench (1) and slides along the direction perpendicular to the conveying direction of the conveying belt (2) on the workbench (1), the end part of the vertical clamping seat (52) is arranged above the horizontal clamping seat (61), the bottom end of the vertical clamping seat (52) is fixedly provided with an inclined guide pillar (55), the inclined guide pillar (55) inclines towards the direction far away from the vertical clamping seat (52), and an inclined guide groove (64) which is right opposite to the inclined guide pillar (55) is formed in the horizontal clamping seat (61).

5. A portable circular saw as defined in claim 4, wherein: one side that horizontal grip slipper (61) are close to conveyer belt (2) sets firmly a plurality of horizontal damping spring (62), and horizontal damping spring (62) keep away from the one end of horizontal grip slipper (61) and set firmly horizontal grip block (63).

6. A portable circular saw as defined in claim 1, wherein: one side of the longitudinal clamping seat (52) close to the conveyor belt (2) is fixedly provided with a plurality of longitudinal damping springs (53), and one end of each longitudinal damping spring (53) far away from the longitudinal clamping seat (52) is fixedly provided with a longitudinal clamping plate (54).

7. A portable circular saw as defined in claim 1, wherein: the worktable (1) is fixedly provided with a working cover (7), and the support frame (3) is arranged in the working cover (7).

8. A portable circular saw as defined in claim 7, wherein: the air exhaust device is characterized in that a guide pipe (9) for communicating the inside of the working cover (7) with the outside is arranged on the working cover (7), an air exhaust fan (10) is arranged in the working cover (7), and the air exhaust fan (10) is arranged at the end part of the guide pipe (9).

9. A portable circular saw as defined in claim 1, wherein: the feeding device comprises a feeding frame (11) which is connected with a conveying belt (2) at a feeding end in a sliding manner, the feeding frame (11) slides along the conveying belt (2), a power motor (12) is fixedly arranged on the feeding frame (11), a driving shaft (13) which is perpendicular to the conveying direction of the conveying belt (2) is rotatably connected on the feeding frame (11), the power motor (12) is connected with the driving shaft (13), driving gears (14) are fixedly arranged at two ends of the driving shaft (13), driving racks (21) which are parallel to the conveying direction of the conveying belt (2) are fixedly arranged on two sides of the conveying belt (2) respectively, the driving gears (14) are meshed with the driving racks (21), a lifting cylinder (15) is fixedly arranged on the feeding frame (11), a connecting plate (16) which is arranged above the conveying belt (2) is fixedly arranged on an output shaft of the lifting cylinder (15), two material clamping rods (17) are arranged on one side, one end of the material clamping rod (17) far away from the connecting plate (16) is provided with a clamping cylinder (19), and an output shaft of the clamping cylinder (19) is provided with a clamping jaw (18).

10. A portable circular saw as defined in claim 9, wherein: press from both sides material pole (17) and connecting plate (16) sliding connection, the slip direction of pressing from both sides material pole (17) and the traffic direction mutually perpendicular of conveyer belt (2), rotate on connecting plate (16) and be connected with the regulation bull stick (20) that are parallel to each other with pressing from both sides material pole (17) slip direction, the both ends of adjusting bull stick (20) are the reverse thread form, two press from both sides material pole (17) and arrange the both ends of adjusting bull stick (20) respectively and with adjust bull stick (20) threaded connection.

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