CN107617708B - Full-automatic reinforcing steel bar feeder capable of feeding in fixed length - Google Patents
Full-automatic reinforcing steel bar feeder capable of feeding in fixed length Download PDFInfo
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- CN107617708B CN107617708B CN201711121898.8A CN201711121898A CN107617708B CN 107617708 B CN107617708 B CN 107617708B CN 201711121898 A CN201711121898 A CN 201711121898A CN 107617708 B CN107617708 B CN 107617708B
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Abstract
The invention relates to a full-automatic reinforcing steel bar feeder capable of feeding in a fixed length, which comprises a first driven wheel, a first driving wheel, a second driven wheel and a second driving wheel which are arranged in an up-down pairing way on the same vertical surface; the first driven wheel and the second driven wheel are arranged in the lifting frame body and have the same height, the lifting frame body comprises two lifting plates, and the first driven wheel and the second driven wheel are rotatably connected between the two lifting plates; the lifting frame body is provided with a sliding rail matched with the sliding groove and can move along the sliding groove under the action of the lifting driving device; the first driving wheel is connected with a hydraulic motor which is connected with a hydraulic control valve; the second driven wheel is connected with an encoder, and the hydraulic control valve and the encoder are connected with a PLC controller. The roller disclosed by the invention is stable, reliable in clamping of the reinforcing steel bars, capable of effectively and continuously feeding, capable of effectively controlling the feeding length of the reinforcing steel bars through the electric control part, accurate in length of the reinforcing steel bars to be output, high in automation degree and convenient to operate.
Description
Technical Field
The invention belongs to the technical field of feeding in a wire processing machine or equipment center line, and particularly relates to a full-automatic reinforcing steel bar feeder capable of feeding in a fixed length.
Background
The steel bar is usually supplied in a disc shape, and in actual use, the disc-shaped steel bar is required to be straightened, cut and bent into a required shape before application, so that the steel bar is required to be pulled out first and then subjected to subsequent actions. Along with the development of industry, the device that easy operation, ability continuously sent out the reinforcing bar has been produced, and its principle is basically with the reinforcing bar clamp between two gyro wheels, and the rotation of rethread gyro wheel realizes the pay-off, and such reinforcing bar material feeding unit also exposes some problems in the in-service use: 1. vibration or the reaction of clamping force in the feeding process easily causes the rolling wheel to tilt, so that the steel bar cannot be effectively clamped and the feeding is continued; 2. when more than two reinforcing bars are clamped at the same time, the rollers tilt to cause inconsistent delivery lengths of the plurality of reinforcing bars and cause the length error of subsequent automatic cutting; 3. the traditional adjusting mode of adjusting the distance between the two rollers through threads so as to clamp the steel bars with different diameters is inconvenient to operate; 4. vibration in the feeding process causes the distance between the two rollers to change so that the steel bar cannot be effectively clamped and the feeding is continued.
Along with the increasing degree of industrial automation, in order to be convenient for the processing of subsequent process, still need the reinforcing bar material feeding unit to carry out the pay-off according to the reinforcing bar length that the subsequent process required. From the foregoing, it can be seen that the feeding length must be established on the basis of solving the above-mentioned problems of effective clamping and continuous feeding, or even if a corresponding length-fixing mechanism is provided, the length of the steel bar outputted by the length-fixing mechanism still cannot reach the ideal accurate range.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problem to be solved by the invention is to provide the full-automatic reinforcing steel bar feeder capable of feeding in a fixed length, so that the problems that the clamping of reinforcing steel bars is unreliable, the feeding cannot be continuously carried out, and the feeding in a fixed length cannot be accurately carried out due to the instability of rollers are solved, and the effects of effective clamping of the reinforcing steel bars, good feeding continuity, convenience in operation and accurate length output of the reinforcing steel bars are achieved.
In order to solve the technical problems, the invention adopts the following technical scheme:
the full-automatic reinforcing steel bar feeder capable of feeding in a fixed length comprises a first driven wheel and a first driving wheel which are arranged in an up-and-down pairing manner on the same vertical surface, a second driven wheel and a second driving wheel which are positioned in the vertical surface where the first driven wheel and the first driving wheel are positioned and are arranged in an up-and-down pairing manner, wherein the reinforcing steel bars are clamped between the first driving wheel and the first driven wheel and are fed through the rotation of the first driving wheel;
the first driven wheel and the second driven wheel are arranged in the lifting frame body and located at the same height, the lifting frame body comprises two lifting plates which are vertically and oppositely arranged, and the first driven wheel and the second driven wheel are arranged between the two lifting plates and are rotatably connected with the two lifting plates; a connecting plate is arranged between the two lifting plates to connect the two lifting plates;
the lifting frame body moves along the sliding groove under the action of the lifting driving device so as to change the distance from the first driven wheel and the second driven wheel to the first driving wheel and the second driving wheel;
a hydraulic motor is connected with the first driving wheel to input torque, the hydraulic motor is connected with a hydraulic control valve, and the hydraulic control valve is connected with a PLC controller; an encoder is connected with the second driven wheel, and the encoder is connected with the PLC.
According to the invention, the driven wheel is arranged in the lifting frame body of the additional stabilizing device, so that the driven wheel and the lifting frame body move as a whole along the chute, the problem of tilting of the driven wheel is effectively avoided, the effective clamping of the steel bar is ensured, and the effective clamping and the feeding continuity of the steel bar are further ensured through the cooperation of the two sets of driving wheels and the driven wheel which are arranged in parallel; the device is particularly suitable for clamping and feeding more than two reinforcing steel bars simultaneously, ensures the consistent feeding efficiency of a plurality of reinforcing steel bars, and has high working stability and high efficiency; the encoder is arranged on the driven wheel to avoid the distortion of the recorded data of the encoder caused by the slip between the driving wheel and the steel bar, and the steel bar can be fed only after the driven wheel effectively clamps the steel bar, so that the feeding of the steel bar and the rotation of the driven wheel are synchronous, the encoder records the rotation angle of the driven wheel, converts the rotation angle into the corresponding arc length of the driven wheel (namely the feeding length of the steel bar), transmits the arc length to the PLC, and controls the hydraulic motor to stop rotating when the preset length value is reached, thereby ensuring the accuracy of the feeding length of the steel bar.
The technical scheme is further improved, three connecting plates are vertically arranged in parallel, one connecting plate is arranged between the first driven wheel and the second driven wheel to play a role of a reinforcing rib, and the other two connecting plates are respectively arranged at two ends of the lifting plate; the two sliding rails are respectively and fixedly connected to the middle positions of the outer side surfaces of the connecting plates at the two ends of the lifting plate;
the lifting driving device comprises two side plates which are vertically and oppositely arranged, the number of the sliding grooves is two corresponding to that of the sliding rails, and the sliding grooves are respectively arranged on the inner walls of the two opposite side plates; the upper end surfaces of the two side plates are fixedly connected through a top plate, a pressure device is arranged on the top plate, and the working output direction of the pressure device faces the lifting frame body so as to enable the lifting frame body to descend and approach the first driving wheel and the second driving wheel when working; at least one lifting support lug is arranged on the opposite inner walls of the two side plates respectively, and an elastic element is arranged between the lifting support lugs and the lifting frame body so as to enable the lifting frame body to be lifted and reset when the pressure device does not work on the lifting frame body.
Thus, the three connecting plates further ensure the integrity of the lifting frame body, the two sliding rails, the main driving wheel and the driven wheel are positioned on the same plane, and the plane also passes through the mass center of the integral structure of the driven wheel and the lifting frame body, so that the movement is stable, and tilting and wedging are avoided; the distance between the driving wheel and the driven wheel is adjustable, so that steel bars with different diameters can be clamped conveniently, and the application range is wide; the adjustment operation is simple and convenient.
Preferably, the elastic element is a helical compression spring; the pressure device is a telescopic cylinder; two lever mechanisms are arranged on one surface of the top plate, which is far away from the lifting frame body, the lever mechanisms comprise L-shaped levers, the fulcrums of the levers are arranged on the top plate and are rotatably connected with the levers, and the fulcrums are positioned at the bending positions of the levers; the two L-shaped levers are arranged on the same plane and are arranged in a mirror image mode, the fixed end and the movable end of the telescopic cylinder are respectively rotatably connected with one ends of the two levers far away from the top plate, and the other ends of the two levers respectively output work on the lifting frame body through a force transmission rod which penetrates through the top plate and can move up and down; one end of the force transmission rod, which is contacted with the lever, is hemispherical.
Therefore, the telescopic cylinder achieves the effect of acting at two output points of the two telescopic cylinders, and cost is saved. The telescopic cylinder does work, the force transmission rod is pressed down by the lever mechanism, so that the lifting frame body moves along the chute and approaches the driving wheel, the spiral pressure spring is compressed until the lifting frame body is pressed down to clamp the reinforcing steel bars in place; in the process of clamping feeding, the telescopic cylinder can also ensure continuous clamping force of the driving wheel and the driven wheel on the steel bars, and the defect of insufficient clamping force caused by long-time feeding, vibration and the like is avoided. The telescopic cylinder does work reversely, the lever mechanism does not apply pressure to the lifting frame body through the force transmission rod, the lifting frame body automatically lifts under the action of the spring force of the spiral pressure spring, and the clamping steel bars are loosened; because the motion track of the lever is arc-shaped and the motion track of the force transmission rod is straight, one end of the force transmission rod, which is contacted with the lever, is hemispherical, so that pressure can be effectively transmitted, and wedging can be avoided.
Further, an air pressure control valve is connected with the telescopic air cylinder, and the air pressure control valve is connected with the PLC.
Like this, the action of telescopic cylinder also passes through the PLC controller, and degree of automation is higher, avoids artifical maloperation.
Preferably, the upper end surfaces of the two lifting plates are fixedly connected through the cover plate, and the force transmission rods respectively act on the upper surface of the cover plate and are close to the two ends of the sliding rail.
Therefore, the contact position of the force transmission rod and the lifting frame body is close to the sliding rail, the force bearing condition is met, the lifting frame body can move along the sliding groove more flexibly in the pressing process, and meanwhile the integral strength of the lifting frame body is also increased.
Further, the first driving wheel is arranged on a first rotating shaft, and the first rotating shaft is rotatably connected to the frame body and is connected with the hydraulic motor through the frame body; the second driving wheel is arranged on a second rotating shaft which is rotatably connected to the frame body; the frame body is fixedly connected between the two side plates.
Therefore, the lifting device and the frame body of the driving wheel are combined into an integrated design, and the whole device has compact structure and good integrity. The movement and the installation are convenient; meanwhile, the integral strength of the lifting device is increased, and the stability of the clamping and feeding process is further enhanced.
Preferably, a driving gear is arranged on the first rotating shaft, a driven gear is arranged on the second rotating shaft, and the driving gear drives the driven gear through an idler gear so as to enable the second rotating shaft to synchronously rotate with the first rotating shaft; the idler wheel is rotatably connected with the frame body through an idler wheel shaft.
Therefore, only one driving device is needed, the effect of synchronous and equidirectional rotation feeding of the two driving wheels is achieved, feeding continuity is well guaranteed, and manufacturing cost is reduced.
Preferably, the two side plates are provided with steel bar through holes so as to facilitate feeding and discharging; the steel bar through holes correspond to the heights of the steel bar feeding surfaces of the first driving wheel and the second driving wheel.
Thus, the reinforced bar through holes for feeding and discharging can also play a role in auxiliary guiding.
Further, the first driven wheel is arranged on a third rotating shaft, the second driven wheel is arranged on a fourth rotating shaft, and the third rotating shaft and the fourth rotating shaft penetrate through the two lifting plates and are rotatably connected with the two lifting plates; the first driven wheel and the second driven wheel are protruded out of the lower surface of the lifting frame body so as to be matched with the first driving wheel and the second driving wheel to clamp the steel bars; the encoder is connected to a shaft body of the fourth rotating shaft penetrating out of the lifting plate.
Preferably, tooth shapes are arranged on the circumferential surfaces of the first driving wheel, the second driving wheel, the first driven wheel and the second driven wheel so as to increase friction force; annular feed grooves which are arranged at intervals are also respectively formed in the circumferential surfaces of the first driving wheel and the second driving wheel.
In this way, the sliding friction force of the steel bar is increased to ensure the feeding continuity of the steel bar, the requirement on clamping force can be reduced corresponding to the sliding friction force of the steel bar, namely the power requirement on the telescopic cylinder is reduced, and the cost is reduced; the annular feeding groove prevents the steel bars from falling out of the main driven wheel and the driven wheel, ensures that the track of the contact points of the steel bars and the main driven wheel is a straight line instead of an irregular S shape, and further ensures that the delivery length of the steel bars is accurate.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can effectively avoid the problem of tilting of the driven wheel caused by vibration or the reaction force of clamping force in the feeding process, ensure effective clamping of the reinforcing steel bars and continuous feeding, effectively control the feeding length of the reinforcing steel bars through the encoder, the PLC and the hydraulic motor, and output the precise length of the reinforcing steel bars, thereby facilitating the processing of subsequent procedures.
2. The invention is particularly suitable for clamping and feeding more than two reinforcing steel bars simultaneously, ensures the consistent feeding efficiency of a plurality of reinforcing steel bars, and has high working stability and high efficiency.
3. The cylinder of the invention ensures continuous clamping force, avoids the problem of distance change between the driving wheel and the driven wheel caused by vibration in the feeding process, and ensures the stability and the continuity of feeding.
4. The invention has high automation degree, conveniently realizes clamping, feeding, fixed length and loosening of the reinforcing steel bars, is suitable for reinforcing steel bars with different diameters, and is simple and practical.
5. The invention has compact structure, good integrity, convenient movement and installation and low manufacturing cost.
Drawings
FIG. 1-front view of an embodiment of the invention (without electrical control);
fig. 2-top view of fig. 1;
fig. 3-left side view of fig. 1;
FIG. 4-an enlarged view of the lifting frame of FIG. 1;
fig. 5-4 are bottom views;
fig. 6-rear view of fig. 1 (with electrical control portion);
wherein, 1-first driving wheel, 10-annular feeding groove, 11-first rotating shaft, 12-driving gear,
2-a second driving wheel, 21-a second rotating shaft, 22-a driven gear,
3-a first driven wheel, 31-a third rotating shaft,
4-a second driven wheel, 41-a fourth rotating shaft,
5-idler wheel, 51-idler wheel shaft,
6-frame body, 61-frame plate, 62-end plate,
7-a hydraulic motor, 71-an output power shaft,
8-lifting frame body, 81-lifting plate, 82-connecting plate, 83-slide rail, 84-cover plate,
9-lifting driving device, 91-side plate, 92-steel bar through hole, 93-top plate, 94-chute, 95-lifting lug, 96-lever mechanism, 961-lever, 962-fulcrum, 97-force transmission rod, 98-spiral pressure spring, 99-telescopic cylinder,
100-PLC controller, 110-encoder, 111-speed gear, 112-toothed belt, 113-support, 120-hydraulic control valve, 130-pneumatic control valve.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Referring to fig. 1 to 6, a full-automatic reinforcing steel bar feeder capable of feeding in a fixed length comprises a first driven wheel 3 and a first driving wheel 1 which are positioned on the same vertical surface and are arranged up and down, wherein the first driving wheel 1 is arranged on a first rotating shaft 11, the first rotating shaft 11 is rotatably connected to a frame body 6, and the first rotating shaft 11 is connected with a hydraulic motor 7 to input torque; the device also comprises a second driven wheel 4 and a second driving wheel 2 which are positioned in the vertical plane where the first driven wheel 3 and the first driving wheel 1 are positioned and are arranged in an up-down pairing manner; the second driving wheel 2 is arranged on a second rotating shaft 21, and the second rotating shaft 21 is rotatably connected to the frame body 6.
The frame body 6 comprises two frame plates 61 which are vertically and oppositely arranged, two ends of the two frame plates 61 are respectively and fixedly connected with end plates 62 so as to be connected with the two frame plates 61, a first rotating shaft 11 and a second rotating shaft 21 penetrate through the two frame plates 61 and are respectively and rotatably connected with the two frame plates 61 through two bearings, a driving gear 12 is arranged on a shaft body between the two frame plates 61 of the first rotating shaft 11, a driven gear 22 is arranged on a shaft body between the two frame plates 61 of the second rotating shaft 21, and the driving gear 12 drives the driven gear 22 to rotate through an idler gear 5 so as to enable the second rotating shaft 21 and the first rotating shaft 11 to synchronously and co-rotate; the idler wheel 5 is arranged on the idler wheel shaft 51, and the idler wheel shaft 51 penetrates through the two frame plates 61 and is rotatably connected with the two frame plates 61 through two bearings.
The first rotating shaft 11 penetrates through the shaft body of the frame body 6 and is connected with an output power shaft 71 of the hydraulic motor 7 through a primary parallel gear reduction transmission structure so as to realize speed reduction and moment increase; the hydraulic motor 7 is connected with a hydraulic control valve 120, the hydraulic control valve 120 is connected with a hydraulic station (not shown in the figure), and the hydraulic control valve 120 is also connected with a PLC controller 100 to control the oil supply of the hydraulic station to the hydraulic motor 7.
The first driven wheel 3 and the second driven wheel 4 are arranged in a lifting frame body 8 with an opening at the bottom surface and are positioned at the same height, the lifting frame body 8 comprises two lifting plates 81 which are vertically and oppositely arranged, the first driven wheel 3 and the second driven wheel 4 are arranged between the two lifting plates 81, the first driven wheel 3 is fixedly arranged on a third rotating shaft 31, the second driven wheel 4 is fixedly arranged on a fourth rotating shaft 41, and the third rotating shaft 31 and the fourth rotating shaft 41 pass through the two lifting plates 81 and are respectively rotatably connected with the two lifting plates 81 through two bearings; the fourth rotating shaft 41 passes through the shaft body of the lifting plate 81 and is provided with a speed gear 111, the speed gear 111 is connected with an encoder 110 through a toothed belt 112, the encoder 110 is fixed on the lifting plate 81 through a bracket 113, and the encoder 110 is connected with the PLC 100. The two lifting plates 81 are connected by connecting plates 82, three connecting plates 82 are arranged in parallel vertically, one connecting plate 82 is arranged between the first driven wheel 3 and the second driven wheel 4 to play a role of a reinforcing rib, the other two connecting plates 82 are respectively arranged at two ends of the lifting plates 81, vertical sliding rails 83 are fixedly connected to middle positions of outer side surfaces of the connecting plates 82 at two ends of the lifting frame body 8 respectively, and cover plates 84 are fixedly connected to upper end surfaces of the two lifting plates 81. The first driven wheel 3 and the second driven wheel 4 protrude out of the lower surface of the lifting frame body 8 so as to be matched with the first driving wheel 1 and the second driving wheel 2 to clamp the reinforcing steel bars.
The lifting frame body 8 is connected with the frame body 6 through a lifting driving device 9, the lifting driving device 9 comprises two side plates 91 which are vertically and oppositely arranged, the two side plates 91 are provided with steel bar through holes 92 for feeding and discharging, and the steel bar through holes 92 correspond to the heights of the steel bar feeding surfaces of the first driving wheel 1 and the second driving wheel 2; the upper end surfaces of the two side plates 91 are fixedly connected with a top plate 93, and the opposite inner walls of the two side plates 91 are respectively provided with a vertical chute 94; the lifting frame body 8 is arranged between the two side plates 91, and the sliding rail 83 on the lifting frame body 8 is matched with the sliding groove 94 on the two side plates 91 so that the lifting frame body 8 can move along the sliding groove 94; the upper surface of the top plate 93 is provided with two lever mechanisms 96, the lever mechanisms 96 comprise L-shaped levers 961, the fulcrums 962 of the levers 961 are arranged on the top plate 93 and are rotatably connected with the levers 961, and the fulcrums 962 are positioned at bending positions of the levers 961; the two L-shaped levers 961 are arranged on the same plane and are arranged in a mirror image way relatively, a telescopic cylinder 99 is connected between one ends of the two levers 961 far away from the top plate 93, the fixed end and the movable end of the telescopic cylinder 99 are respectively and rotatably connected with the two levers 961, and the other ends of the two levers 961 respectively act on the cover plate 84 of the lifting frame body 8 through a force transmission rod 97 which penetrates through the top plate 93 and can move up and down; the telescopic cylinder 99 is connected with a pneumatic control valve 130, the pneumatic control valve 130 is connected with an air compressor (not shown in the figure), and the pneumatic control valve 130 is also connected with the PLC 100; one end of the force transmission rod 97, which is contacted with the lever 961, is hemispherical, and the lower end of the force transmission rod 97 acts on the two ends, close to the sliding rail 83, of the upper surface of the cover plate 84 of the lifting frame 8. Four lifting lugs 95 are arranged below the four corners of the lower surface of the lifting frame body 8 in a protruding mode on the inner walls of the two side plates 91, and spiral pressure springs 98 are arranged between the four lifting lugs 95 and the four corners of the lower surface of the lifting frame body 8.
The lifting driving device 9 is connected with the frame 6 through two side plates 91, specifically, the inner walls of the two side plates 91 are fixedly connected with the outer walls of the two end plates 62 of the frame 6.
Tooth shapes are arranged on the circumferential surfaces of the first driving wheel 1, the second driving wheel 2, the first driven wheel 3 and the second driven wheel 4 so as to increase friction force; two annular feed grooves 10 which are arranged at intervals are respectively formed in the circumferential surfaces of the first driving wheel 1 and the second driving wheel 2 so as to ensure continuous and accurate and consistent feeding length of simultaneously clamping and conveying two reinforcing steel bars.
The first driving wheel 1 is fixedly connected to the first rotating shaft 11 in a threaded manner, and the second driving wheel 2 is fixedly connected to the second rotating shaft 21 in a threaded manner, so that the disassembly and the replacement are facilitated; the first driven wheel 3 and the second driven wheel 4 are in interference fit with the corresponding third rotating shaft 31 and fourth rotating shaft 41 and are connected through keys, and at least one of the two lifting plates 81 is in threaded connection and fixation with the connecting plate 82, so that the first driven wheel 3 and the second driven wheel 4 can be conveniently dismounted; the other gears and the corresponding rotating shafts are in interference fit and are connected through keys.
When the device is used, the steel bars pass through the steel bar through holes 92 on two sides, the PLC 100 controls the air pressure control valve 130 to retract the movable end of the telescopic air cylinder 99, the lever mechanism 96 is used for pressing the force transmission rod 97, the force transmission rod 97 presses the lifting frame 8, the lifting frame 8 moves downwards along the sliding groove 94 and approaches the driving wheel, and the spiral pressure spring 98 is compressed until the steel bars are pressed down in place to clamp the steel bars; the telescoping cylinder 99 remains retracted to provide a continuous clamping force; the PLC controller 100 controls the hydraulic control valve 120 to start the hydraulic motor 7, the driving wheel drives the steel bars to realize automatic feeding, meanwhile, the encoder 110 records the rotation angle of the driven wheel and converts the rotation angle into the corresponding arc length of the driven wheel (namely the feeding length of the steel bars), the arc length is transmitted to the PLC controller 100, and when the feeding length of the steel bars reaches a preset value, the PLC controller 100 controls the hydraulic control valve 120 to stop the rotation of the hydraulic motor 7 and stop feeding; the PLC 100 controls the air pressure control valve 130 to enable the movable end of the telescopic air cylinder 99 to extend, the lever mechanism 96 does not apply pressure to the lifting frame 8 through the force transmission rod 97, and the lifting frame 8 is automatically lifted and reset under the spring force of the spiral pressure spring 98.
The mechanism action shows that when the lifting frame body 8 is in a lifting reset state (the spiral pressure spring 98 is in a pre-pressing state), the height of the force transmission rod 97 protruding the top plate 93 is larger than the travel distance from the downward movement of the lifting frame body 8 to the contact of the driving wheel and the driven wheel; the stroke of the helical compression spring 98 from the pre-pressing state to the pressing state should be longer than the stroke distance of the lifting frame 8 moving downwards until the driving wheel contacts with the driven wheel. It should be noted that the function of the helical compression spring 98 in the device is not just to raise and reset the lifting frame 8. The telescopic cylinder 99 is retracted to enable the lifting frame 8 to move downwards along the chute 94, before clamping the steel bars, the whole device can be in a stressed state by the process of compressing the spiral pressure spring 98, the device is in a pre-pressing state, gaps in a transmission structure are eliminated, the device enables the main wheel and the driven wheel to clamp the steel bars slowly in a stable state, vibration and slippage are avoided, and therefore protection of the device and the steel bars can be improved.
Finally, the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention, such as: the spiral pressure spring 98 is replaced by an air pressure or hydraulic rod, the spiral pressure spring 98 is replaced by a tension spring or a torsion spring through changing the position of the lifting support lug 95, the function of the telescopic cylinder 99 is replaced by a hydraulic cylinder or a spring with adjustable distance, the integrated structure of the device is replaced by fixedly connecting the lifting driving device 9 and the frame 6 to a workbench respectively for use, the number of sliding rails 83 of the sliding rail 94 is increased to increase stability, and other connecting forms are used for replacing the connecting form of the sliding rail 83 and the sliding rail 94 but the principle is the same, so that the device does not depart from the spirit and scope of the technical scheme of the invention, and all the device is covered by the scope of the claims of the invention.
Claims (7)
1. Can decide full-automatic reinforcing bar feeder of length pay-off, including first follow driving wheel and the first action wheel of same vertical face upper and lower pair setting so that reinforcing bar centre gripping is between first action wheel and first follow driving wheel and realize the pay-off through the rotation of first action wheel, its characterized in that: the device also comprises a second driven wheel and a second driving wheel which are positioned in the vertical plane where the first driven wheel and the first driving wheel are positioned and are arranged in an up-down pairing way;
the first driven wheel and the second driven wheel are arranged in the lifting frame body and located at the same height, the lifting frame body comprises two lifting plates which are vertically and oppositely arranged, and the first driven wheel and the second driven wheel are arranged between the two lifting plates and are rotatably connected with the two lifting plates; a connecting plate is arranged between the two lifting plates to connect the two lifting plates;
the lifting frame body moves along the sliding groove under the action of the lifting driving device so as to change the distance from the first driven wheel and the second driven wheel to the first driving wheel and the second driving wheel;
a hydraulic motor is connected with the first driving wheel to input torque, the hydraulic motor is connected with a hydraulic control valve, and the hydraulic control valve is connected with a PLC controller; an encoder is connected with the second driven wheel, and the encoder is connected with the PLC;
the three connecting plates are vertically arranged in parallel, one connecting plate is arranged between the first driven wheel and the second driven wheel to play a role of a reinforcing rib, and the other two connecting plates are respectively arranged at two ends of the lifting plate; the two sliding rails are respectively and fixedly connected to the middle positions of the outer side surfaces of the connecting plates at the two ends of the lifting plate;
the lifting driving device comprises two side plates which are vertically and oppositely arranged, the number of the sliding grooves is two corresponding to that of the sliding rails, and the sliding grooves are respectively arranged on the inner walls of the two opposite side plates; the upper end surfaces of the two side plates are fixedly connected through a top plate, a pressure device is arranged on the top plate, and the working output direction of the pressure device faces the lifting frame body so as to enable the lifting frame body to descend and approach the first driving wheel and the second driving wheel when working; at least one lifting support lug is respectively arranged on the opposite inner walls of the two side plates, and an elastic element is arranged between the lifting support lugs and the lifting frame body so as to enable the lifting frame body to be lifted and reset when the pressure device does not work on the lifting frame body;
the elastic element is a spiral pressure spring; the pressure device is a telescopic cylinder; two lever mechanisms are arranged on one surface of the top plate, which is far away from the lifting frame body, the lever mechanisms comprise L-shaped levers, the fulcrums of the levers are arranged on the top plate and are rotatably connected with the levers, and the fulcrums are positioned at the bending positions of the levers; the two L-shaped levers are arranged on the same plane and are arranged in a mirror image mode, the fixed end and the movable end of the telescopic cylinder are respectively rotatably connected with one ends of the two levers far away from the top plate, and the other ends of the two levers respectively output work on the lifting frame body through a force transmission rod which penetrates through the top plate and can move up and down; one end of the force transmission rod, which is contacted with the lever, is hemispherical;
tooth shapes are arranged on the circumferential surfaces of the first driving wheel, the second driving wheel, the first driven wheel and the second driven wheel so as to increase friction force; annular feed grooves which are arranged at intervals are also respectively formed in the circumferential surfaces of the first driving wheel and the second driving wheel.
2. The full-automatic reinforcing steel bar feeder capable of feeding in fixed length according to claim 1, wherein: and the telescopic cylinder is connected with an air pressure control valve, and the air pressure control valve is connected with the PLC.
3. The full-automatic reinforcing steel bar feeder capable of feeding in fixed length according to claim 2, wherein: the upper end surfaces of the two lifting plates are fixedly connected through the cover plate, and the force transmission rods respectively act on the upper surface of the cover plate and are close to the two ends of the sliding rail.
4. A full-automatic reinforcing bar feeder capable of feeding in fixed length according to any one of claims 1 to 3, characterized in that: the first driving wheel is arranged on a first rotating shaft, and the first rotating shaft is rotatably connected to the frame body and penetrates through the frame body to be connected with the hydraulic motor; the second driving wheel is arranged on a second rotating shaft which is rotatably connected to the frame body; the frame body is fixedly connected between the two side plates.
5. The full-automatic reinforcing steel bar feeder capable of feeding in fixed length according to claim 4, wherein: the first rotating shaft is provided with a driving gear, the second rotating shaft is provided with a driven gear, and the driving gear drives the driven gear through an idler pulley so as to enable the second rotating shaft and the first rotating shaft to synchronously rotate; the idler wheel is rotatably connected with the frame body through an idler wheel shaft.
6. The full-automatic reinforcing steel bar feeder capable of feeding in fixed length according to claim 4, wherein: reinforcing steel bar through holes are formed in the two side plates so as to facilitate feeding and discharging; the steel bar through holes correspond to the heights of the steel bar feeding surfaces of the first driving wheel and the second driving wheel.
7. The full-automatic reinforcing steel bar feeder capable of feeding in fixed length according to claim 1, wherein: the first driven wheel is arranged on a third rotating shaft, the second driven wheel is arranged on a fourth rotating shaft, and the third rotating shaft and the fourth rotating shaft penetrate through the two lifting plates and are rotatably connected with the two lifting plates; the first driven wheel and the second driven wheel are protruded out of the lower surface of the lifting frame body so as to be matched with the first driving wheel and the second driving wheel to clamp the steel bars; the encoder is connected to a shaft body of the fourth rotating shaft penetrating out of the lifting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121898.8A CN107617708B (en) | 2017-11-14 | 2017-11-14 | Full-automatic reinforcing steel bar feeder capable of feeding in fixed length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121898.8A CN107617708B (en) | 2017-11-14 | 2017-11-14 | Full-automatic reinforcing steel bar feeder capable of feeding in fixed length |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107617708A CN107617708A (en) | 2018-01-23 |
| CN107617708B true CN107617708B (en) | 2023-10-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201711121898.8A Active CN107617708B (en) | 2017-11-14 | 2017-11-14 | Full-automatic reinforcing steel bar feeder capable of feeding in fixed length |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201988661U (en) * | 2011-02-28 | 2011-09-28 | 天津市建科机械制造有限公司 | Air cylinder pressing mechanism of conveying device in reinforcing steel bar straightening machine |
| CN103302207A (en) * | 2013-07-03 | 2013-09-18 | 刘振海 | Full-automatic hydraulic straightening and hoop-bending integrated machine |
| CN203791534U (en) * | 2014-05-09 | 2014-08-27 | 潍坊华耀磁电机械有限公司 | Multifunctional full-automatic steel bar bending forming machine |
| CN105598324A (en) * | 2015-12-22 | 2016-05-25 | 济南陆枋志合信息技术有限公司 | Square rebar frame bending and welding integrated equipment |
| CN205869321U (en) * | 2016-06-28 | 2017-01-11 | 青岛德宏工贸有限公司 | Machine is spent in multi -functional turn |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9156077B2 (en) * | 2012-03-29 | 2015-10-13 | L&P Property Management Company | Method of making border wire |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201988661U (en) * | 2011-02-28 | 2011-09-28 | 天津市建科机械制造有限公司 | Air cylinder pressing mechanism of conveying device in reinforcing steel bar straightening machine |
| CN103302207A (en) * | 2013-07-03 | 2013-09-18 | 刘振海 | Full-automatic hydraulic straightening and hoop-bending integrated machine |
| CN203791534U (en) * | 2014-05-09 | 2014-08-27 | 潍坊华耀磁电机械有限公司 | Multifunctional full-automatic steel bar bending forming machine |
| CN105598324A (en) * | 2015-12-22 | 2016-05-25 | 济南陆枋志合信息技术有限公司 | Square rebar frame bending and welding integrated equipment |
| CN205869321U (en) * | 2016-06-28 | 2017-01-11 | 青岛德宏工贸有限公司 | Machine is spent in multi -functional turn |
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| Publication number | Publication date |
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| CN107617708A (en) | 2018-01-23 |
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