CN111069473A

CN111069473A - Bar cutter for building

Info

Publication number: CN111069473A
Application number: CN201911160733.0A
Authority: CN
Inventors: 黄嘉江
Original assignee: Baoquan Safety Protection Articles Jinhua Co Ltd
Current assignee: Baoquan Safety Protection Articles Jinhua Co Ltd
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2020-04-28
Anticipated expiration: 2039-11-23
Also published as: CN111069473B

Abstract

The invention discloses a steel bar cutting machine for buildings, which comprises a steel bar feeding frame, a cutting device for prepressing steel bars, a cutting device for cutting the steel bars, a fixing device for fixing one end of the steel bars in the cutting process of the steel bars, an edge grinding device for deburring the two ends of the steel bars and a feeding box for storing the cut steel bars, wherein the feeding frame is used for feeding the steel bars; the cutting and pressing device is provided with a first pressing knife and a second pressing knife; the cutting device is provided with a movable blade, a driving box for driving the movable blade to move, a fixed cutter set matched with the movable blade for use, and a conveying assembly for cut steel bars; and the edge grinding device is provided with a grinding belt and an edge grinding wheel. The invention can ensure that the length and the size of the cut steel bar are accurate, and burrs are removed from the two ends of the cut steel bar, thereby greatly improving the production efficiency and reducing the labor cost.

Description

Bar cutter for building

Technical Field

The invention relates to the technical field of material cutting, in particular to a reinforcing steel bar cutting machine for buildings.

Background

The prior art steel bar cutting machine has the following defects: the steel bar is cut off and cannot be precisely sized, the phenomenon of length dimension out of tolerance can occur, and the product quality requirement is not met; burrs are left on two sides after the reinforcing steel bars are cut off, subsequent processing of the reinforcing steel bars is affected, hands are easily cut, the grinding positions of the independent ways are required to be ground, production efficiency is greatly reduced, and meanwhile labor cost is increased.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the building steel bar cutting machine, the length and the size of the cut steel bars are accurate, and the burrs are simultaneously removed from the two ends of the cut steel bars, so that the production efficiency is greatly improved, and the labor cost is reduced.

In order to achieve the purpose, the invention adopts the following technical scheme: a kind of steel bar cutting machine for building, including the reinforcing bar blowing shelf, the cutting device used for prepressing the reinforcing bar, the cutting device used for cutting off the reinforcing bar, the fixing device used for fixing one end of the reinforcing bar in the cutting off process of the reinforcing bar, the edging device used for deburring both ends of the reinforcing bar, the blowing case used for depositing and cutting off the reinforcing bar, the said cutting device includes the first belt pulley that is rotated and located on blowing shelf, first lug and second lug inserted on the first belt pulley symmetrically, the first pressing knife fixed on first lug, the second pressing knife fixed on second lug, the elliptical wheel covering on the first belt pulley, the second belt pulley located under the first belt pulley, the belt used for connecting first belt pulley and second belt pulley, the first motor used for driving the second belt pulley to rotate, multiple fifth springs used for the first lug and second lug to return to the position; first motor drive second belt pulley rotates, second belt pulley and first belt pulley pass through the belt and connect, and the first belt pulley of drive rotates, makes first belt pulley at the elliptical wheel internal rotation, be equipped with first lug and second lug on the first belt pulley, first lug and second lug intermittent type nature contact elliptical wheel inner wall, and the fifth spring is to first lug and second lug playback, first lug and second lug reciprocating motion inwards, first sword and second sword are pressed and are located on first lug and the second lug, drive first sword and the reciprocal removal inwards of second sword, carry out the pre-compaction to the reinforcing bar that is located between first sword and the second sword. According to the invention, the reinforcing steel bars are placed on the material placing frame, conveyed to the cutting and pressing device through the material placing frame and pre-pressed through the cutting and pressing device, so that the reinforcing steel bars are easier to cut in the subsequent cutting process, and finally cut through the cutting device; the first motor drives the second belt pulley to rotate, the second belt pulley is connected with the first belt pulley through a belt, the first belt pulley is made to rotate, even if the first belt pulley rotates in the elliptical wheel, the first belt pulley is provided with a first bump and a second bump, so that the first bump and the second bump intermittently contact the inner wall of the elliptical wheel, the first bump and the second bump are reset through a fifth spring, the first bump and the second bump move back and forth inwards, and the first pressing knife and the second pressing knife are arranged on the first bump and the second bump, so that the first pressing knife and the second pressing knife move back and forth inwards, and a reinforcing steel bar between the first pressing knife and the second pressing knife is prepressed; the cutting and pressing device and the cutting device are fixed through the fixing device in the working process, so that the moving position of the steel bar in the pre-pressing and cutting processes is avoided, and the length and the size of the cut steel bar are accurate; carry out the edging to the reinforcing bar both ends after the cutting through the edging device again, cut off the back and simultaneously to reinforcing bar both ends unhairing limit, improved production efficiency greatly, reduced the cost of labor.

The feeding frame comprises a frame body, two support legs, a first sliding chute, a moving piece, a first spring, a second spring and a guide plate, wherein the two support legs are positioned at the two ends of the frame body and used for supporting the frame body; the moving member moves to the reinforcing bar direction along first spout direction, and the deflector contacts the one end of reinforcing bar earlier, and the deflector is parallel with the reinforcing bar, and to the spacing fixed of reinforcing bar, first spring and the shrink of second spring, the moving member promotes the reinforcing bar and removes, accomplishes the pay-off work of reinforcing bar. The moving piece is driven to move towards the direction of the steel bar along the first sliding groove by pushing the moving piece arranged on the first sliding groove, so that the guide plate is contacted with one end of the steel bar, the steel bar is more easily clamped into the moving piece, the guide plate and the steel bar are horizontally arranged in the clamping process, and the guide plate can extrude and fix the steel bar; first spring length is less than the second spring, makes the deflector can slope setting to play the guide effect to the reinforcing bar, can make the deflector playback simultaneously.

The fixing device comprises a fixing frame, a first fixing clamp which is telescopically arranged on the fixing frame, a first rotating rod and a second rotating rod which are rotatably arranged on the first fixing clamp, a second fixing clamp which is rotatably arranged on the first rotating rod, a third fixing clamp which is rotatably arranged on the second rotating rod, a second sliding groove which is arranged on the third fixing clamp, and a fixing rod, one end of which is fixed on the fixing frame, and the other end of which is positioned in the second sliding groove, the third sliding chute is positioned below the second fixing clamp, the first telescopic rod is arranged in the third sliding chute, the second telescopic rod is fixed to the first telescopic rod at one end and fixed to the second fixing clamp at the other end, the third telescopic rod is fixed to the axle center of the second belt pulley, the first fixing block is fixedly arranged at the end part of the third telescopic rod, one end of the connecting rod is rotatably arranged on the third fixing clamp, the other end of the connecting rod is rotatably arranged on one end of the first fixing block, and the middle positions of the first rotating rod and the second rotating rod are movably connected to the fixing frame; the second belt pulley rotates to drive the third telescopic rod to rotate, the first fixed block on the third telescopic rod rotates to drive the connecting rod to rotate, one end of the connecting rod is rotatably arranged on the third fixed clamp, the other end of the connecting rod is rotatably arranged on the first fixed block, so that the third fixed clamp moves, the third fixed clamp is provided with a second chute, a fixed rod fixed on the fixed frame is arranged in the second chute, the third fixed clamp is rotatably arranged on the second rotating rod, the third fixed clamp revolves around the hinge position of the second rotating rod and the fixed frame as the axis and moves upwards, the first rotating rod and the second rotating rod are simultaneously arranged on the first fixed clamp to drive the first fixed clamp to move downwards, the second rotating rod rotates to drive the first rotating rod to rotate, the second fixed clamp is rotatably arranged on the first rotating rod, so that the second fixed clamp is driven to revolve around the hinge position of the first rotating rod and the fixed frame as the axis and move upwards, the first telescopic link of second fixation clamp rotation in-process and second telescopic link stretch out and draw back, and first fixation clamp, second fixation clamp and third fixation clamp carry out the centre gripping to the reinforcing bar that lies in between and fix. The third belt pulley rotates to drive the third telescopic rod to rotate, so that the first fixed block on the third telescopic rod rotates, the connecting rod rotates, one end of the connecting rod is rotatably arranged on the third fixed clamp, the other end of the connecting rod is rotatably arranged on the first fixed block, so that the third fixed clamp moves, the third fixed clamp is provided with a second chute, a fixed rod fixed on the fixed frame is arranged in the second chute, the third fixed clamp always keeps upward in the moving process, the third fixed clamp is rotatably arranged on the second rotating rod, so that the third fixed clamp revolves around the hinge position of the second rotating rod and the fixed frame as the axis and moves upward, the first rotating rod and the second rotating rod are simultaneously arranged on the first fixed clamp, so as to drive the first fixed clamp to move downward, so that the second rotating rod rotates to drive the first rotating rod to rotate, the second fixed clamp is rotatably arranged on the first rotating rod, so that the second fixed clamp revolves around the hinge position of the first rotating rod and the fixed frame as the axis and moves upward, the second fixation clamp rotates first telescopic link of in-process and the second telescopic link is flexible, through the setting of first telescopic link and second telescopic link, makes the second fixation clamp revolution in-process remain up all the time to make first fixation clamp, second fixation clamp and third fixation clamp can clip the reinforcing bar, increase the arm of force through this kind of setting, make to consolidate more firmly, simultaneously with surely pressing the device cooperation, make fixed more coherent, the usability is higher.

The cutting device comprises a movable blade, a driving box for driving the movable blade to move, a fixed cutter group matched with the movable blade for use, and a conveying assembly for cutting off the steel bars; the drive box drives the movable blade to move towards the direction of the fixed cutter set, so that the movable blade and the fixed cutter set coincide, the steel bar is cut off, the fixed end of the steel bar is cut off through a fixing device, the other end of the steel bar is fixed through the conveying assembly and then moves, the steel bar is prevented from moving in the cutting process, the cutting is affected, and meanwhile the conveying of the steel bar is completed through the movement of the power drive conveying assembly of the movable blade.

The fixed cutter group comprises a cutter disc, four arc-shaped cutting edges arranged on the cutter disc, a rotating shaft fixedly arranged at the axle center of the cutter disc, a second motor for driving the rotating shaft to rotate, a second fixed block sleeved on the rotating shaft, four through holes arranged on the cutter disc, an insertion rod group inserted into the four through holes, a third spring with one end fixedly fixed on the second fixed block and the other end fixedly arranged on the insertion rod group, and a cylinder group for driving the insertion rod group to move; the cylinder group drives the inserted bar group to move, the inserted bar group positioned in the through hole moves out of the cutter head, the second motor drives the rotating shaft to rotate, so that the cutter head is driven to rotate, the switching of four arc-shaped cutting edges is completed, and after the switching is completed, the cylinder group and the third spring push the inserted bar group to be inserted into the four through holes in the cutter head, so that the fixing work is completed. Informing the cylinder group to drive the insertion rod group to move, enabling the insertion rod group in the through hole to move out of the cutter head, enabling the cutter head to rotate, driving the rotating shaft to rotate through the second motor, finally driving the cutter head to rotate, completing the switching of the four arc-shaped cutting edges, pushing the insertion rod group through the cylinder group and the third spring after the switching is completed, enabling the insertion rod group to be inserted into the four through holes in the cutter head, fixing the cutter head again, and completing the switching and fixing work of the four arc-shaped cutting edges on the cutter head.

The conveying assembly comprises a moving frame, a hydraulic cylinder for driving the moving frame to move, a base movably arranged on the moving frame, a first semicircular plate fixedly arranged on the base, a second semicircular plate arranged on the first semicircular plate in an overturning manner, a clamping piece for fixing the first semicircular plate and the second semicircular plate, a top plate for pushing the clamping piece to open, a third fixed block positioned below the second semicircular plate and a fourth spring for returning the base; the movable frame is driven by a hydraulic cylinder to move, the cut length of the steel bar is adjusted, the length precision is higher, the moving blade can continue to push the steel bar to move after cutting the steel bar, the steel bar is inserted into the first semicircular plate and the second semicircular plate and is arranged by the clamping piece, the first semicircular plate and the second semicircular plate are enclosed into a cylindrical shape, the steel bar can be inserted into the cylinder, the steel bar pushed by the moving blade can drive the first semicircular plate and the second semicircular plate to move towards the top plate, namely, towards the right top of the storage box, the top plate can support the clamping piece, the clamping piece is opened, the second semicircular plate can turn over on the first semicircular plate, the cut steel bar can just fall into the storage box, the base is reset by a fourth spring, the first semicircular plate is fixed on the base, so that the first semicircular plate and the second semicircular plate are reset, a third fixing block is arranged below the second semicircular plate, thereby the second semicircle board can be turned up, and the clamping piece fixes the first semicircle board and the second semicircle board again.

The edge grinding device comprises four grinding belts positioned on the cutter head, a first gear arranged on the grinding belts and a first rack fixedly arranged on the movable blade; the movable blade moves towards the direction of the fixed cutter set to cut off the steel bars, the movable blade continues to move to drive the cut-off steel bars to move, so that the first rack is meshed with the first gear on one of the grinding belts and drives the first gear to rotate, the grinding belts are driven to rotate, and the steel bars at the cut ends are ground.

The edge grinding device also comprises a plurality of balls positioned on the inner walls of the first semicircular plate and the second semicircular plate, an edge grinding wheel positioned between the first semicircular plate and the second semicircular plate and rotatably arranged on the base, a second gear fixedly arranged on the edge grinding wheel, and a second rack fixedly arranged on the moving frame; reinforcing bar on the base removes the in-process, makes second gear and second rack meshing, and drive the second gear and rotate, thereby make the edging wheel rotatory polish the reinforcing bar of base one end, through the setting of ball, make the reinforcing bar rotate more easily, thereby make the area of polishing can carry out comprehensive unhairing limit to the round edge of reinforcing bar cut surface, avoid the round edge of the tangent plane of reinforcing bar and the laminating of first semicircle board or second semicircle board simultaneously, leave the clearance promptly, thereby make the edging wheel unhairing limit more comprehensive and clean, first rack drive first gear revolve is different with second rack drive second gear revolve's direction, promptly to the both ends grinding force of reinforcing bar different, thereby improve the effect of polishing.

The invention has the following advantages: the steel bar is placed on the material placing frame, conveyed to the cutting and pressing device through the material placing frame and pre-pressed through the cutting and pressing device, so that the steel bar is cut off more easily in the subsequent cutting process, and finally cut off through the cutting device; the first motor drives the second belt pulley to rotate, the second belt pulley is connected with the first belt pulley through a belt, the first belt pulley is made to rotate, even if the first belt pulley rotates in the elliptical wheel, the first belt pulley is provided with a first bump and a second bump, so that the first bump and the second bump intermittently contact the inner wall of the elliptical wheel, the first bump and the second bump are reset through a fifth spring, the first bump and the second bump move back and forth inwards, and the first pressing knife and the second pressing knife are arranged on the first bump and the second bump, so that the first pressing knife and the second pressing knife move back and forth inwards, and a reinforcing steel bar between the first pressing knife and the second pressing knife is prepressed; the cutting and pressing device and the cutting device are fixed through the fixing device in the working process, so that the moving position of the steel bar in the pre-pressing and cutting processes is avoided, and the length and the size of the cut steel bar are accurate; carry out the edging to the reinforcing bar both ends after the cutting through the edging device again, cut off the back and simultaneously to reinforcing bar both ends unhairing limit, improved production efficiency greatly, reduced the cost of labor.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a partial structure of the discharging frame.

Fig. 3 is a side view of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a schematic view of a stationary knife set.

Fig. 6 is a schematic cross-sectional view of a stationary blade set.

Fig. 7 is a schematic structural diagram of the conveying device.

Fig. 8 is a schematic view of a transport assembly.

Fig. 9 is a schematic cross-sectional view of the slitting and pressing device.

Fig. 10 is a schematic structural view of the cutting and pressing device.

Fig. 11 is a front view of the fixture.

Fig. 12 is a schematic cross-sectional view of the fixing device.

Fig. 13 is a partial structural schematic diagram of the present invention.

Fig. 14 is an enlarged view of fig. 13 at B.

Fig. 15 is an enlarged view of fig. 13 at C.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-15, a steel bar cutting machine for construction, comprises a steel bar feeding frame 1, a cutting device 2 for prepressing the steel bar, a cutting device 3 for cutting the steel bar, a fixing device 4 for fixing one end of the steel bar during the cutting process of the steel bar, an edge grinding device 5 for deburring two ends of the steel bar, and a feeding box 6 for storing the cut steel bar, wherein the cutting device 2 comprises a first belt pulley 21 rotatably arranged on the feeding frame, a first lug 22 and a second lug 23 symmetrically inserted into the first belt pulley, a first pressing cutter 24 fixedly arranged on the first lug, a second pressing cutter 25 fixedly arranged on the second lug, an elliptical wheel 26 sleeved on the first belt pulley, a second belt pulley 27 positioned below the first belt pulley, a belt 28 for connecting the first belt pulley and the second belt pulley, and a first motor 29 for driving the second belt pulley to rotate, A plurality of fifth springs 210 for homing the first and second bosses; first motor drive second belt pulley rotates, second belt pulley and first belt pulley pass through the belt and connect, and the first belt pulley of drive rotates, makes first belt pulley at the elliptical wheel internal rotation, be equipped with first lug and second lug on the first belt pulley, first lug and second lug intermittent type nature contact elliptical wheel inner wall, and the fifth spring is to first lug and second lug playback, first lug and second lug reciprocating motion inwards, first sword and second sword are pressed and are located on first lug and the second lug, drive first sword and the reciprocal removal inwards of second sword, carry out the pre-compaction to the reinforcing bar that is located between first sword and the second sword. According to the invention, the reinforcing steel bars are placed on the material placing frame, conveyed to the cutting and pressing device through the material placing frame and pre-pressed through the cutting and pressing device, so that the reinforcing steel bars are easier to cut in the subsequent cutting process, and finally cut through the cutting device; the first motor drives the second belt pulley to rotate, the second belt pulley is connected with the first belt pulley through a belt, the first belt pulley is made to rotate, even if the first belt pulley rotates in the elliptical wheel, the first belt pulley is provided with a first bump and a second bump, so that the first bump and the second bump intermittently contact the inner wall of the elliptical wheel, the first bump and the second bump are reset through a fifth spring, the first bump and the second bump move back and forth inwards, and the first pressing knife and the second pressing knife are arranged on the first bump and the second bump, so that the first pressing knife and the second pressing knife move back and forth inwards, and a reinforcing steel bar between the first pressing knife and the second pressing knife is prepressed; the cutting and pressing device and the cutting device are fixed through the fixing device in the working process, so that the moving position of the steel bar in the pre-pressing and cutting processes is avoided, and the length and the size of the cut steel bar are accurate; carry out the edging to the reinforcing bar both ends after the cutting through the edging device again, cut off the back and simultaneously to reinforcing bar both ends unhairing limit, improved production efficiency greatly, reduced the cost of labor.

The material placing frame 1 comprises a frame body 11, two support legs 12 which are positioned at two ends of the frame body and used for supporting the frame body, a first sliding groove 13 arranged in the frame body, a moving piece 14 arranged on the first sliding groove, a first spring 15 and a second spring 16 which are fixedly arranged on the moving piece, and a guide plate 17 which is fixedly arranged on the first spring and the second spring at the same time; the moving member moves to the reinforcing bar direction along first spout direction, and the deflector contacts the one end of reinforcing bar earlier, and the deflector is parallel with the reinforcing bar, and to the spacing fixed of reinforcing bar, first spring and the shrink of second spring, the moving member promotes the reinforcing bar and removes, accomplishes the pay-off work of reinforcing bar. The moving piece is driven to move towards the direction of the steel bar along the first sliding groove by pushing the moving piece arranged on the first sliding groove, so that the guide plate is contacted with one end of the steel bar, the steel bar is more easily clamped into the moving piece, the guide plate and the steel bar are horizontally arranged in the clamping process, and the guide plate can extrude and fix the steel bar; first spring length is less than the second spring, makes the deflector can slope setting to play the guide effect to the reinforcing bar, can make the deflector playback simultaneously.

The fixing device 4 comprises a fixing frame 41, a first fixing clamp 42 which is telescopically arranged on the fixing frame, a first rotating rod 43 and a second rotating rod 44 which are rotatably arranged on the first fixing clamp, a second fixing clamp 45 which is rotatably arranged on the first rotating rod, a third fixing clamp 46 which is rotatably arranged on the second rotating rod, a second sliding groove 47 which is arranged on the third fixing clamp, a fixing rod 48 with one end fixed on the fixing frame and the other end positioned in the second sliding groove, a third sliding groove 49 positioned below the second fixing clamp, a first telescopic rod 410 which is arranged in the third sliding groove, a second telescopic rod 420 with one end fixed on the first telescopic rod and the other end fixed on the second fixing clamp, a third telescopic rod 430 which is fixed at the axle center of the second belt wheel, a first fixing block 440 which is fixedly arranged at the end part of the third telescopic rod, and a connecting rod 450 with one end rotatably arranged on the third fixing clamp and the other end rotatably arranged on one end, the middle positions of the first rotating rod and the second rotating rod are movably connected with the fixed frame; the second belt pulley rotates to drive the third telescopic rod to rotate, the first fixed block on the third telescopic rod rotates to drive the connecting rod to rotate, one end of the connecting rod is rotatably arranged on the third fixed clamp, the other end of the connecting rod is rotatably arranged on the first fixed block, so that the third fixed clamp moves, the third fixed clamp is provided with a second chute, a fixed rod fixed on the fixed frame is arranged in the second chute, the third fixed clamp is rotatably arranged on the second rotating rod, the third fixed clamp revolves around the hinge position of the second rotating rod and the fixed frame as the axis and moves upwards, the first rotating rod and the second rotating rod are simultaneously arranged on the first fixed clamp to drive the first fixed clamp to move downwards, the second rotating rod rotates to drive the first rotating rod to rotate, the second fixed clamp is rotatably arranged on the first rotating rod, so that the second fixed clamp is driven to revolve around the hinge position of the first rotating rod and the fixed frame as the axis and move upwards, the first telescopic link of second fixation clamp rotation in-process and second telescopic link stretch out and draw back, and first fixation clamp, second fixation clamp and third fixation clamp carry out the centre gripping to the reinforcing bar that lies in between and fix. The third belt pulley rotates to drive the third telescopic rod to rotate, so that the first fixed block on the third telescopic rod rotates, the connecting rod rotates, one end of the connecting rod is rotatably arranged on the third fixed clamp, the other end of the connecting rod is rotatably arranged on the first fixed block, so that the third fixed clamp moves, the third fixed clamp is provided with a second chute, a fixed rod fixed on the fixed frame is arranged in the second chute, the third fixed clamp always keeps upward in the moving process, the third fixed clamp is rotatably arranged on the second rotating rod, so that the third fixed clamp revolves around the hinge position of the second rotating rod and the fixed frame as the axis and moves upward, the first rotating rod and the second rotating rod are simultaneously arranged on the first fixed clamp, so as to drive the first fixed clamp to move downward, so that the second rotating rod rotates to drive the first rotating rod to rotate, the second fixed clamp is rotatably arranged on the first rotating rod, so that the second fixed clamp revolves around the hinge position of the first rotating rod and the fixed frame as the axis and moves upward, the second fixation clamp rotates first telescopic link of in-process and the second telescopic link is flexible, through the setting of first telescopic link and second telescopic link, makes the second fixation clamp revolution in-process remain up all the time to make first fixation clamp, second fixation clamp and third fixation clamp can clip the reinforcing bar, increase the arm of force through this kind of setting, make to consolidate more firmly, simultaneously with surely pressing the device cooperation, make fixed more coherent, the usability is higher.

The cutting device 3 comprises a movable blade 31, a driving box 32 for driving the movable blade to move, a fixed knife group 33 matched with the movable blade for use, and a conveying assembly 34 for cutting off the steel bars; the drive box drives the movable blade to move towards the direction of the fixed cutter set, so that the movable blade and the fixed cutter set coincide, the steel bar is cut off, the fixed end of the steel bar is cut off through a fixing device, the other end of the steel bar is fixed through the conveying assembly and then moves, the steel bar is prevented from moving in the cutting process, the cutting is affected, and meanwhile the conveying of the steel bar is completed through the movement of the power drive conveying assembly of the movable blade.

The fixed cutter group 33 comprises a cutter 331, four arc-shaped cutting edges 332 arranged on the cutter, a rotating shaft 333 fixedly arranged at the axle center of the cutter, a second motor 334 for driving the rotating shaft to rotate, a second fixed block 335 sleeved on the rotating shaft, four through holes 336 arranged on the cutter, an inserted link group 337 inserted in the four through holes, a third spring 338 with one end fixedly fixed on the second fixed block and the other end fixedly arranged on the inserted link group, and a cylinder group 339 for driving the inserted link group to move; the cylinder group drives the inserted bar group to move, the inserted bar group positioned in the through hole moves out of the cutter head, the second motor drives the rotating shaft to rotate, so that the cutter head is driven to rotate, the switching of four arc-shaped cutting edges is completed, and after the switching is completed, the cylinder group and the third spring push the inserted bar group to be inserted into the four through holes in the cutter head, so that the fixing work is completed. Informing the cylinder group to drive the insertion rod group to move, enabling the insertion rod group in the through hole to move out of the cutter head, enabling the cutter head to rotate, driving the rotating shaft to rotate through the second motor, finally driving the cutter head to rotate, completing the switching of the four arc-shaped cutting edges, pushing the insertion rod group through the cylinder group and the third spring after the switching is completed, enabling the insertion rod group to be inserted into the four through holes in the cutter head, fixing the cutter head again, and completing the switching and fixing work of the four arc-shaped cutting edges on the cutter head.

The conveying assembly 34 comprises a moving frame 341, a hydraulic cylinder 342 for driving the moving frame to move, a base 343 movably arranged on the moving frame, a first semicircular plate 344 fixedly arranged on the base, a second semicircular plate 345 arranged on the first semicircular plate in a turning manner, a clamping piece 346 for fixing the first semicircular plate and the second semicircular plate, a top plate 347 for pushing the clamping piece to open, a third fixed block 348 positioned below the second semicircular plate, and a fourth spring 349 for returning the base; the movable frame is driven by a hydraulic cylinder to move, the cut length of the steel bar is adjusted, the length precision is higher, the moving blade can continue to push the steel bar to move after cutting the steel bar, the steel bar is inserted into the first semicircular plate and the second semicircular plate and is arranged by the clamping piece, the first semicircular plate and the second semicircular plate are enclosed into a cylindrical shape, the steel bar can be inserted into the cylinder, the steel bar pushed by the moving blade can drive the first semicircular plate and the second semicircular plate to move towards the top plate, namely, towards the right top of the storage box, the top plate can support the clamping piece, the clamping piece is opened, the second semicircular plate can turn over on the first semicircular plate, the cut steel bar can just fall into the storage box, the base is reset by a fourth spring, the first semicircular plate is fixed on the base, so that the first semicircular plate and the second semicircular plate are reset, a third fixing block is arranged below the second semicircular plate, thereby the second semicircle board can be turned up, and the clamping piece fixes the first semicircle board and the second semicircle board again.

The edge grinding device 5 comprises four grinding belts 51 positioned on the cutter head, a first gear 52 arranged on the grinding belts and a first rack 53 fixedly arranged on the movable blade; the movable blade moves towards the direction of the fixed cutter set to cut off the steel bars, the movable blade continues to move to drive the cut-off steel bars to move, so that the first rack is meshed with the first gear on one of the grinding belts and drives the first gear to rotate, the grinding belts are driven to rotate, and the steel bars at the cut ends are ground.

The edge grinding device 5 further comprises a plurality of balls 54 positioned on the inner walls of the first semicircular plate and the second semicircular plate, an edge grinding wheel 55 positioned between the first semicircular plate and the second semicircular plate and rotatably arranged on the base, a second gear 56 fixedly arranged on the edge grinding wheel, and a second rack 57 fixedly arranged on the moving frame; reinforcing bar on the base removes the in-process, makes second gear and second rack meshing, and drive the second gear and rotate, thereby make the edging wheel rotatory polish the reinforcing bar of base one end, through the setting of ball, make the reinforcing bar rotate more easily, thereby make the area of polishing can carry out comprehensive unhairing limit to the round edge of reinforcing bar cut surface, avoid the round edge of the tangent plane of reinforcing bar and the laminating of first semicircle board or second semicircle board simultaneously, leave the clearance promptly, thereby make the edging wheel unhairing limit more comprehensive and clean, first rack drive first gear revolve is different with second rack drive second gear revolve's direction, promptly to the both ends grinding force of reinforcing bar different, thereby improve the effect of polishing.

The first motor, the second motor and the hydraulic cylinder are purchased from the market.

Claims

1. The utility model provides a reinforcing bar cutter for building which characterized in that: including reinforcing bar blowing frame (1), be used for to the cutting device (2) of reinforcing bar pre-compaction, be used for cutting off device (3) that the reinforcing bar cut off, reinforcing bar cutting off in-process be used for to reinforcing bar one end fixed fixing device (4), be used for edging device (5) to reinforcing bar both ends unhairing limit, be used for depositing blowing case (6) of cutting off the reinforcing bar, cutting off device (2) are including rotating first belt pulley (21) of locating on the blowing frame, first lug (22) and second lug (23) on the first belt pulley of symmetry insertion, fixed first pressing cutter (24) of locating on first lug, fixed second pressing cutter (25) of locating on the second lug, cover elliptical wheel (26) on first belt pulley, be located second belt pulley (27) of first belt pulley below, be used for connecting belt (28) of first belt pulley and second belt pulley, be used for driving second belt pulley pivoted first motor (29), A plurality of fifth springs (210) for homing the first and second bumps.

2. The steel bar cutting machine for construction as claimed in claim 1, wherein: the material placing frame (1) comprises a frame body (11), two support legs (12) which are arranged at two ends of the frame body and used for supporting the frame body, a first sliding groove (13) arranged in the frame body, a moving member (14) arranged on the first sliding groove, a first spring (15) and a second spring (16) which are fixedly arranged on the moving member, and a guide plate (17) which is fixedly arranged on the first spring and the second spring.

3. The steel bar cutting machine for construction as claimed in claim 1, wherein: the fixing device (4) comprises a fixing frame (41), a first fixing clamp (42) which is arranged on the fixing frame in a telescopic mode, a first rotating rod (43) and a second rotating rod (44) which are arranged on the first fixing clamp in a rotating mode, a second fixing clamp (45) which is arranged on the first rotating rod in a rotating mode, a third fixing clamp (46) which is arranged on the second rotating rod in a rotating mode, a second sliding groove (47) which is arranged on the third fixing clamp in a rotating mode, a fixing rod (48) with one end fixed on the fixing frame and the other end located in the second sliding groove, a third sliding groove (49) located below the second fixing clamp, a first telescopic rod (410) which is arranged in the third sliding groove, a second telescopic rod (420) with one end fixed on the first telescopic rod and the other end fixed on the second fixing clamp, a third telescopic rod (430) fixed at the axle center of the second belt wheel, a first fixing block (440) fixedly arranged at the end of the third telescopic rod ) And the middle positions of the first rotating rod and the second rotating rod are movably connected and arranged on the fixed frame.

4. The steel bar cutting machine for construction as claimed in claim 1, wherein: the cutting device (3) comprises a movable blade (31), a driving box (32) for driving the movable blade to move, a fixed knife tackle (33) matched with the movable blade for use, and a conveying assembly (34) for cut steel bars.

5. The steel bar cutting machine for construction as claimed in claim 4, wherein: fixed knife tackle (33) include blade disc (331), locate four kinds of arc cutting edges (332) on the blade disc, fixed pivot (333) of locating blade disc axle center department, be used for driving pivot pivoted second motor (334), overlap in epaxial second fixed block (335), locate four through-holes (336) on the blade disc, insert in the inserted bar group (337) in four through-holes, one end is fixed and is fixed on the second fixed block third spring (338) that the other end was fixed on the inserted bar group, be used for driving cylinder group (339) that the inserted bar group removed.

6. The steel bar cutting machine for construction as claimed in claim 4, wherein: the conveying assembly (34) comprises a moving frame (341), a hydraulic cylinder (342) used for driving the moving frame to move, a base (343) movably arranged on the moving frame, a first semi-circular plate (344) fixedly arranged on the base, a second semi-circular plate (345) arranged on the first semi-circular plate in a turnover mode, clamping pieces (346) used for fixing the first semi-circular plate and the second semi-circular plate, a top plate (347) used for pushing the clamping pieces to open, a third fixing block (348) located below the second semi-circular plate, and a fourth spring (349) used for returning the base.

7. The steel bar cutting machine for construction as claimed in claim 1, wherein: the edge grinding device (5) comprises four grinding belts (51) positioned on the cutter head, a first gear (52) arranged on the grinding belts, and a first rack (53) fixedly arranged on the movable blade.

8. The steel bar cutting machine for construction as claimed in claim 1, wherein: edging device (5) still including being located a plurality of balls (54) on first semicircle board and the second semicircle inboard wall, be located between first semicircle board and the second semicircle board and rotate edging wheel (55) of locating on the base, fixed second gear (56) of locating on the edging wheel, fixed second rack (57) of locating on the removal frame.