Disclosure of Invention
Aiming at the problems, the invention provides an automatic layering device for sectional materials, which is used for layering the sectional materials transmitted by a conveyor belt, and the layering device can automatically layer the sectional materials according to the width according to a preset value, so that grabbing and transferring of the next procedure are facilitated, manual operation is not needed, and the automatic layering device has the advantages of accurate layering precision, high running efficiency and high reliability.
The technical scheme of the invention is as follows:
the automatic section bar layering device is used for layering section bars transmitted by a conveyor belt and comprises a driving mechanism, a connecting mechanism and a plurality of lifting mechanisms, wherein the driving mechanism is connected with the connecting mechanism, and the plurality of lifting mechanisms are connected through the connecting mechanism;
the lifting mechanism comprises: lifting arms, rotary driving arms, mounting seats, rotating shaft plates, bearing seats and sensors;
The second end of the lifting arm is fixedly connected with the rotating shaft plate, the first end of the rotating driving arm is fixedly connected with the rotating shaft plate, a preset included angle is formed between the lifting arm and the rotating driving arm, the rotating shaft plate is rotationally connected with the bearing seat, and the bearing seat is fixedly connected to the mounting seat;
the connecting mechanism is connected with the second end of the rotary driving arm;
The lifting arm is provided with a baffle for blocking the section bar, the section bar transmitted by the conveyor belt is blocked by the baffle, and the sensor is used for detecting the width of the blocked section bar;
When the sensor detects that the width of the blocked section bar exceeds a preset value, the driving mechanism drives the connecting mechanism to further drive the rotary driving arm to rotate, the rotary driving arm drives the lifting arm to lift the blocked section bar to a preset height, and after the conveyor belt is reversed to drive the section bar which is not lifted to move a preset distance, the conveyor belt stops, the rotary driving arm drives the lifting arm to fall down for resetting and places the lifted section bar on the conveyor belt, so that automatic layering is completed.
Further, the connecting mechanism is a connecting rod, and the connecting rod is fixedly connected with the rotary driving arm through a bolt.
Further, the driving mechanism comprises an air cylinder and an air cylinder pushing plate hinged with the air cylinder, the air cylinder pushing plate is fixedly connected with the connecting rod, and the driving mechanism is used for driving the connecting rod.
Further, a plurality of rollers are arranged on the lifting arm, extend from the first end of the lifting arm to the second end of the lifting arm along the body of the lifting arm, and are uniformly arranged in rows.
Further, the second end of the lifting arm is connected with the rotating shaft plate through a lifting arm fixing seat, a lifting arm fixing pressing plate is arranged at the second end of the lifting arm, and the lifting arm fixing pressing plate is fixedly connected with the lifting arm fixing seat.
Further, the lifting arm comprises a first part and a second part which are perpendicular to each other, the cross section of the lifting arm is T-shaped, the first part is provided with a plurality of holes for installing the rollers, and the second part is provided with a plurality of holes for being connected and matched with the lifting arm fixing seat.
Further, the upper size of the lifting arm fixing seat matched with the lifting arm fixing pressing plate is larger than the lower size of the lifting arm fixing seat matched with the rotating shaft plate, and a groove connected with the lower portion of the second part of the lifting arm is formed in the middle of the lifting arm fixing seat.
Further, the baffle is adjacent to the roller close to the second end of the lifting arm, the baffle is of a ladder-type structure and comprises a vertical portion and a horizontal portion which are perpendicular to each other, the horizontal portion is of a telescopic structure, and the horizontal position of the vertical portion can be adjusted under the driving of the telescopic structure.
Further, the preset included angle is 85-95 degrees; the preset height is 1-3cm, and the preset distance is 10-30cm.
Further, the mounting seat is fixedly mounted on the ground; the cylinder is fixedly installed on the ground, and the sensor is installed on the installation seat.
The beneficial effects of the invention are as follows:
The automatic section bar layering device can be applied to an intelligent robot for automatic unloading and loading and unloading, realizes the automation of section bar loading and unloading and loading in the section bar production process, does not need manual operation, can realize the layering of section bars according to the width only according to preset operation parameters such as the width of the section bar, avoids the injury of people when the section bars are scratched or personnel in the layering process, improves the production operation efficiency and the safety reliability, and improves the yield.
Detailed Description
Exemplary embodiments, features and aspects of the present invention will be described in detail below with reference to the attached drawings. In the drawings, like reference numbers indicate identical or functionally similar elements. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The automatic profile layering device can be applied to an automatic blanking, loading and unloading intelligent robot, such as an automatic blanking, loading and unloading intelligent robot 100 shown in fig. 1, and comprises an automatic profile layering device 1, an automatic profile grabbing and transferring device 2, an automatic profile parting and laying and aligning device 3 and a charging basket 4, and further comprises a first conveying belt 200 and a second conveying belt 300 which is vertically adjacent to the first conveying belt 200, wherein the first conveying belt 200 is used for conveying profiles longitudinally, the second conveying belt 300 is used for conveying the profiles transversely to the automatic profile layering device 1, and the automatic profile layering device 1 is used for layering the profiles according to the width of the charging basket 4. After the automatic layering of the section bar automatic layering device 1, the section bar is layered and stacked in the charging basket 4 through the section bar automatic grabbing and transferring device 2, so that the width of each layer of section bar is matched with the width of the charging basket 4. When the section bar automatic grabbing and transferring device 2 is adopted to put the section bar into or take out the charging basket 4, in order to prevent collision deformation, the adjacent upper layer section bars and the lower layer section bars are separated by the division bars, the division bars are automatically distributed by the division bar automatic distributing and aligning mechanism 3, and when the automatic distributing and aligning mechanism 3 works, the division bars are uniformly and automatically distributed below the second conveyor belt 300 (below the section bar automatic layering device 1) according to the interval of the linkage handles of the section bar automatic grabbing and transferring device 2, and the two ends of each division bar are aligned, so that the linkage handles can reliably grab the division bars and lift the section bar.
As shown in fig. 2 to 5, the automatic profile layering device of the present invention comprises a lifting mechanism 11, a connecting mechanism 12 and a driving mechanism 13, wherein the driving mechanism 13 is connected with the connecting mechanism 12, and the lifting mechanism 11 is connected with the connecting mechanism 12.
Preferably, the connecting mechanism 12 is a connecting rod, and the automatic profile layering device 1 comprises a plurality of lifting mechanisms 11, preferably 2-6 lifting mechanisms, and the plurality of lifting mechanisms 11 are linked together through the connecting rod.
The lifting mechanism 11 comprises a lifting arm 111, a roller 112, a rotary driving arm 113, a rotating shaft plate 114, a bearing seat 115, a mounting seat connecting plate 116, a mounting seat 117, a baffle 118, a lifting arm fixing pressing plate 119, a lifting arm fixing seat 120 and a sensor (not shown in the figure);
The lifting arm 111 is fixedly connected to the rotating shaft plate 114, the rotating driving arm 113 is fixedly connected with the lifting arm 111 and the rotating shaft plate 114, a preset included angle beta is formed between the lifting arm 111 and the rotating driving arm 113, preferably, the preset included angle beta is 85-95 degrees, and the included angle is favorable for the rotating driving arm 113 to better drive the lifting arm 111 to lift the profile. The rotating shaft plate 114 is rotatably connected with the bearing seat 115, and the bearing seat 115 is fixedly connected to the mounting seat 117 through the mounting seat connecting plate 116.
The lifting arm 111 is provided with a baffle 118 configured to block the profile conveyed from the second conveyor belt 300, the sensor detects the stacking condition of the blocked profile in real time, when detecting that the total width of a plurality of blocked profiles exceeds a preset value, preferably, the preset value is smaller than or equal to the width of the charging basket 4, the driving mechanism 13 drives the connecting mechanism 12 to further drive the rotary driving arm 113 to rotate, the rotary driving arm 113 drives the lifting arm 111 to act, the lifting arm lifts a plurality of blocked profiles to a certain height, preferably, the lifting height is slightly higher than the upper surface of the conveyor belt 300, for example, 1cm-3cm higher than the upper surface of the conveyor belt, then the conveyor belt is reversed to drive the profile which is not lifted by the lifting arm to translate a preset distance, at this time, the lifting arm 111 falls down, the plurality of profiles which are blocked and lifted by the lifting arm are separated from the profile which is not lifted by a preset distance, the distance depends on the reversing operation distance of the second conveyor belt 300, preferably, the preset distance is 10 cm-30 cm, preferably, the distance is further preferably 20cm longer than the required to be reached, and the movement distance of the gripper can be ensured by the gripper is further extended by the linkage, and the gripper can move a distance of the gripper is slightly more than the required to be moved by the automatic gripper. Preferably, the sensor is a laser sensor, disposed above or below the lifting arm, for example, mounted on a mount, directly below the first end of the lifting arm. The detection light emitted by the laser sensor according to the period is blocked by the section bar and then reflected back to the laser sensor, when the light is continuously reflected back, the width of the section bar blocked and piled on the lifting arm (namely the second conveyor belt) exceeds a preset value, and of course, other sensors can be adopted to judge the width of the piled section bar.
Preferably, the links are fixedly connected to the rotary drive arms 113 of the plurality of lift mechanisms, respectively, by fasteners, such as bolts.
Preferably, the driving mechanism 13 comprises a cylinder and a cylinder push plate coupled to the cylinder, for example hinged, the cylinder push plate being fixedly connected to the link, the driving mechanism being for driving the link.
Preferably, a plurality of rollers 112 are arranged on the lifting arm 111, the rollers 112 are uniformly arranged along the direction of the lifting arm body from the free end of the lifting arm, the free end is a first end, the second end of the lifting arm is connected with the rotary driving arm 113 and the rotary shaft plate 114 through the lifting arm fixing seat 120, the lifting arm 111 is provided with a lifting arm fixing pressing plate 119 at the upper part, and the lifting arm fixing pressing plate 119 is fixedly connected with the lifting arm fixing seat 120 to fix the lifting arm 111 on the rotary shaft plate 114.
Preferably, the roller 112 is a plastic roller that avoids scratching the profile due to the hard surface of the roller.
Preferably, as shown in fig. 4, the lifting arm 111 includes a first portion 1111 and a second portion 1112 perpendicular to each other, and the cross section of the lifting arm is T-shaped, so that the compressive strength of the lifting arm 111 is enhanced, the lifting arm is not bent after lifting the profile multiple times, and the overall weight of the lifting arm is controlled, so that the rotating driving arm 113 can easily drive the lifting arm 111 to rotate. The first portion 1111 is provided with a plurality of fifth holes for mounting the roller 112, and the second portion 1112 is provided with a plurality of sixth holes for coupling engagement with the lifting arm fixing base 120.
Preferably, the upper size of the lifting arm fixing base 120 engaged with the lifting arm fixing pressing plate 119 is larger than the lower size engaged with the rotation shaft plate 114 and the middle portion of the lifting arm fixing base 120 has a groove connected with the lower portion of the second portion of the lifting arm 111.
Preferably, the baffle 118 is disposed at the end of the roller near the second end of the lifting arm 111, that is, the baffle 118 is disposed adjacent to the roller near the second end of the lifting arm, the baffle 118 includes a vertical portion and a horizontal portion which are perpendicular to each other, and the horizontal portion is of a ladder structure, so that the baffle 118 can better bear the impact of the profile, further preferably, the horizontal portion of the baffle 118 is of a telescopic structure, the horizontal position of the vertical portion can be adjusted under the driving of the telescopic structure, that is, the position of the vertical portion can be adjusted according to the layering requirement of the profile, when the width of each layer of profile is reduced, the vertical portion of the baffle 118 is moved towards the first end of the lifting arm 111, and when the width of each layer of profile is increased, the vertical portion of the baffle 118 is moved towards the second end of the lifting arm 111.
The rotary driving arms 113 of the lifting mechanisms are fixedly connected together through connecting rods, the connecting rods are driven by the driving mechanism 13, so that the rotary driving arms of the lifting mechanisms are driven to rotate, the lifting arms 111 of the lifting mechanisms can lift simultaneously, the driving mechanism can be preferably an air cylinder assembly, and the driving mechanism comprises an air cylinder and an air cylinder pushing plate hinged with the air cylinder, and the air cylinder pushing plate is fixedly connected with the connecting rods.
The above arrangement ensures that when the lifting arms 111 of the lifting mechanisms synchronously fall and lift, the upper surfaces of the lifting arms 111 are slightly lower than the upper surfaces of the second conveyor belts 300 when the lifting arms 111 are not lifted, namely, are in the initial default positions, so that the profile is easily and transversely moved above the lifting arms 111 until being blocked by the baffle plates 118 under the driving of the second conveyor belts, and when the lifting arms are lifted under the driving of the rotating driving arms, the upper surfaces of the lifting arms, namely, the upper surfaces of the rollers 112, are higher than the upper surfaces of the profile conveyor belts, so that the profile is lifted by the lifting arms to be separated from the second conveyor belts, and the lifted profile slides on the rollers 112 under the action of gravity until being blocked by the baffle plates 118, so that the profiles can be further aligned adjacently without leaving gaps.
The specific working process comprises the following steps: when the second conveyor belt conveys the section bar, the second conveyor belt can smoothly convey the section bar until the section bar is blocked by the baffle plate on the lifting arm because the upper surface of the lifting arm is slightly lower than the upper surface of the second conveyor belt. When the sensor detects that the width of the stacked section exceeds the width of the baffle to the roller end part of the free end (namely the first end of the lifting arm) of the lifting arm, the cylinder assembly pushes the rotary driving arm to rotate, so that the lifting arm is slowly lifted, the section on the lifting arm and the second conveyor belt are completely separated from contact due to the fact that the upper surface of the lifting arm is higher than that of the section conveyor belt, the conveyor belt is reversed at the moment, the subsequent section of the conveyor belt is moved backwards, enough space is reserved for the linkage grippers of the section automatic grabbing and transferring device 2, the conveyor belt stops rotating, the lifting arm falls down at the moment, the section is placed on the second conveyor belt to wait for the automatic grabbing and transferring device to grab and transfer, and the section automatic layering process is finished at the moment.
The working process of the intelligent robot for automatically discharging, loading and unloading the basket is shown in fig. 6, and the steps are as follows:
(1) Judging whether the saw is used for the first time according to the incoming signal of the finished saw; (2) If the state is non-primary use, the initial state of the lifting trolley needs to be determined, and if the state is primary use, the parting strips are automatically arranged, meanwhile, the profiles are aligned and layered, for example, aluminum profiles; (3) Judging the arrangement state of the parting strips and the stacking state of the section bars; if the parting bead arrangement state and the stacking state of the section bar meet the requirements, the next step is carried out to determine the working condition of the system, and if the parting bead arrangement state or the stacking state of the section bar does not reach the standard, the process returns to (2); (4) The linkage gripper is opened, and the lifting trolley descends and grips the parting strips; (5) Judging a grabbing state, if grabbing is completed, lifting the lifting trolley to an original point, and if grabbing is not completed, withdrawing the lifting trolley; (6) Judging the state of the parting bead, the state of the finished saw and whether the lifting trolley translates above the material frame or not and measuring the height of the section bar; (7) After judging the parting bead state and the finished saw state, arranging the parting bead of the section bar and automatically stacking the aluminum section bar, and returning to the step (3); judging whether the lifting trolley translates above the material frame and measuring the height of the section bar, and if the height meets the requirements, the lifting trolley descends and opens the linkage gripper to put down the section bar; if the height does not meet the requirements, the lifting trolley is evacuated; (8) the lifting trolley ascends back to the position above the material frame; (9) And after the lifting trolley translates back to the original point, determining the initial state of the lifting trolley.
Finally, it should be noted that: the embodiments described above are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the invention.