Secondary curing system for heliostat

Abstract

The invention provides a heliostat secondary curing system which is characterized in that the heliostat secondary curing system comprises a circulating conveying system, a plurality of trays for circulating transportation are arranged on the circulating conveying system, and a primary curing mechanism and a tray positioning mechanism are sequentially arranged in the circulating conveying system; a plurality of lifting stoppers for sequentially stopping and releasing the trays are arranged in the primary curing mechanism at equal intervals; the secondary curing mechanism comprises a double-layer frame and a lifting frame, the double-layer frame comprises a first conveying mechanism and a second conveying mechanism, a posture adjusting and positioning mechanism is arranged at the tail end of the second conveying mechanism, and the lifting frame comprises an outer frame, a vertical material moving mechanism vertically arranged in the outer frame and a horizontal material moving mechanism horizontally installed in the vertical material moving mechanism; and the material moving mechanical arm is arranged beside the tray positioning mechanism and used for grabbing the heliostat located on the tray positioning mechanism and moving the heliostat into the first conveying mechanism, the curing process of the heliostat is divided into two steps of primary curing and secondary curing, and the occupied area of the whole production line is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of heliostat production, and in particular to a heliostat secondary curing system. Background Art

[0002] In concentrated solar thermal (CSP) projects, large, precision-engineered heliostats are the core components that concentrate solar energy. Heliostat assembly and installation is a key component of a CSP plant, crucial to the project's ability to connect to the grid and generate electricity on schedule.

[0003] First, a loading robot grabs the lens and places it with the back side facing up on a tray that is circulated on a conveyor belt. The lens is then transported to a gluing robot via the conveyor belt, where glue is applied to the gluing points on the back side of the lens. The lens is then transported to a backboard loading robot via the conveyor belt. The backboard loading robot grabs the heliostat backboard, aligns the adhesive part of the heliostat backboard with the gluing points, and places it on the lens. After the glue is completely cured, the heliostat can be assembled. Finally, the assembled heliostat is removed from the tray by the robot arm and stored.

[0004] To ensure the glue between the lens and the backing is fully cured, the current method is to extend the conveyor belt to prolong the glue's cooling time. However, this significantly increases the length of the entire production line. Due to the large size of individual heliostats, the heliostat processing line already requires a large factory floor space. If the lenses were fully cured directly on the production line, the entire line would need to be significantly longer, resulting in low space utilization. This is especially unsuitable for the layout of heliostat production lines in some factories with limited space. If the lenses are removed and laid flat to cure, additional storage space is required and the additional step of manual lens collection after the rest period is added, which is time-consuming and labor-intensive. Summary of the Invention

[0005] In order to solve the problem of large floor space occupied by a heliostat production line in the prior art, the present invention provides a heliostat secondary curing system, comprising:

[0006] A circulating conveying system, wherein the circulating conveying system is provided with a plurality of circulating transport pallets, wherein the pallets are provided with heliostats, and the circulating conveying system is provided with a primary curing mechanism and a pallet positioning mechanism in sequence, wherein the primary curing mechanism is provided with a plurality of lifting stoppers at equal intervals for sequentially stopping and releasing the pallets, and the pallet positioning mechanism is used to lift and position the pallets;

[0007] A secondary curing mechanism, the secondary curing mechanism includes a double-layer frame and a lifting frame, the double-layer frame includes a first conveying mechanism and a second conveying mechanism, the first conveying mechanism moves toward the lifting frame, and the second conveying mechanism moves away from the lifting frame, the end of the second conveying mechanism is provided with a posture adjustment and positioning mechanism, the lifting frame includes an outer frame, a vertical material moving mechanism vertically arranged in the outer frame, and a horizontal material moving mechanism horizontally installed in the vertical material moving mechanism, the vertical material moving mechanism is used to drive the horizontal material moving mechanism to vertically move to a first height flush with the first conveying mechanism and a second height flush with the second conveying mechanism;

[0008] The material moving mechanical arm is arranged beside the pallet positioning mechanism and is used for grabbing the heliostat located on the pallet positioning mechanism and moving it to the first conveying mechanism.

[0009] Specifically, the tray includes a tray body, a bearing surface is provided on the tray body, a square frame-shaped chassis is provided at the bottom of the tray body, inverted detection blocks are symmetrically provided on the bottom edge of the bearing surface in the length direction, and a tray positioning block is provided at the bottom of the tray body.

[0010] Specifically, a plurality of first lifting stoppers are equidistantly arranged in the primary curing mechanism, and a corresponding first proximity sensor is arranged beside each first lifting stopper on the outside of the circulating conveying system.

[0011] Specifically, the pallet positioning mechanism includes a pallet lifting platform and a second lifting blocker. The second lifting blocker is arranged at the front end of the pallet lifting platform. A second proximity sensor is arranged outside the circulating conveying system at the second lifting blocker.

[0012] Specifically, the pallet positioning mechanism includes a second lifting stopper and a pallet lifting platform, the pallet lifting platform includes a fixed frame, a first lifting cylinder is provided in the fixed frame, the piston rod of the first lifting cylinder is vertically upward, a positioning frame is provided on the piston rod, the upper surface of the positioning frame is provided with a support block matching the position of the pallet positioning block, and a positioning pin is provided on at least the support block at the diagonal position, and the second lifting stopper is provided at the front end of the pallet lifting platform.

[0013] Specifically, the vertical material moving mechanism is installed on the side of the outer frame away from the double-layer rack, and includes a pneumatic slide rail and positioning slide rails arranged on both sides of the pneumatic slide rail. Two positioning sliders are respectively provided in each of the positioning slide rails, and the side walls of the two positioning sliders are connected with a fixed plate; the pneumatic slide rail is arranged toward the double-layer rack, and a pneumatic slider is provided in the pneumatic slide rail. The horizontal material moving mechanism includes a base, and the base is connected to the pneumatic slide rail and the positioning slide rail, and a material moving conveyor belt is provided on the base.

[0014] Specifically, the posture adjustment and positioning mechanism includes a guide mechanism arranged on both sides and a limit block arranged at the end, the guide mechanism includes a guide wall and an angle cylinder, the guide wall includes an inclined guide section and a straight limit section, the guide section of the guide wall is bent inward from both sides, the angle cylinder is arranged on the inner side of the guide wall, and a rotating rod is provided at the end of the piston rod of the angle cylinder.

[0015] Specifically, the circulating conveying system includes a first straight-line conveying mechanism, a first steering conveying mechanism, a second straight-line conveying mechanism and a second steering conveying mechanism connected in sequence. The first steering conveying mechanism and the second steering conveying mechanism are 90° roller conveyor belts. The input end of the first steering conveying mechanism is connected to the output end of the first straight-line conveying mechanism. The output end of the first steering conveying mechanism is perpendicular to the second straight-line conveying mechanism. The input end of the second steering conveying mechanism is perpendicular to the second straight-line conveying mechanism. The output end of the second steering conveying mechanism is connected to the input end of the first straight-line conveying mechanism. The plane where the first straight-line conveying mechanism, the first steering conveying mechanism and the second steering conveying mechanism are located is located in the first plane. The plane where the second steering conveying mechanism is located is located in the second plane. The second plane is lower than the first plane.

[0016] Specifically, the first steering mechanism includes a first chassis fixedly installed in the second linear conveying mechanism, a second lifting cylinder with a piston rod vertically upward is provided in the first chassis, a first pallet lifting frame is provided on the piston rod of the second lifting cylinder, a first steering conveyor belt matching the movement direction of the first steering conveying mechanism is provided in the first pallet lifting frame, and a first blocker facing the first steering conveying mechanism is provided on the side of the first pallet lifting frame close to the first steering conveying mechanism;

[0017] The second steering mechanism includes a second base frame fixedly installed in the second linear conveying mechanism, a third lifting cylinder with a piston rod pointing vertically upward is provided in the second base frame, a second lifting frame is provided on the piston rod of the third lifting cylinder, a second steering conveyor belt matching the movement direction of the second steering conveying mechanism is provided in the second lifting frame, and a second blocker facing the input end of the second linear conveying mechanism is provided in the second lifting frame.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The present invention divides the curing process of the heliostat into two steps: primary curing and secondary curing. After the heliostat is assembled, it is first cured in a circulating conveyor system. Then, it is grabbed by a material transfer robot and transferred to the secondary curing section for secondary curing. This eliminates the need to extend the entire production line and significantly reduces the footprint of the entire production line.

[0020] 2. The primary curing mechanism uses multiple equidistantly positioned lifting blocks to sequentially stop the pallets, allowing them to pass through in sequence through a cascade control system. The secondary curing mechanism utilizes a double-layer rack and lifting frame design to fully utilize the three-dimensional space. The primary and secondary curing mechanisms significantly extend the cooling time of the heliostat within a limited space, ensuring that the adhesive coated between the heliostat backplate and the lens is completely cured.

[0021] 3. The heliostat secondary curing system significantly reduces the floor space of the heliostat production line, reducing the floor space of the entire production line to approximately 600m 2 . BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 This is a schematic structural diagram of the circulating conveying system of the present invention;

[0024] Figure 3 This is a structural schematic diagram of the tray positioning mechanism of the present invention;

[0025] Figure 4 This is a schematic diagram of the double-layer frame structure of the present invention;

[0026] Figure 5 This is a schematic diagram of the structure of the lifting frame of the present invention in the first direction;

[0027] Figure 6 This is a schematic diagram of the structure of the lifting frame of the present invention in the second direction;

[0028] Figure 7 This is a structural diagram of the lifting frame posture adjustment and positioning mechanism of the present invention;

[0029] Figure 8 This is a schematic structural diagram of the first steering mechanism of the present invention;

[0030] Figure 9 This is a schematic structural diagram of the second steering mechanism of the present invention.

[0031] Reference numerals: 3, circulating conveying system; 31, first linear conveying mechanism; 311, sixth proximity sensor; 32, first steering conveying mechanism; 33, second linear conveying mechanism; 34, second steering conveying mechanism; 35, first steering mechanism; 351, first chassis; 352, second lifting cylinder; 353, first pallet lifting frame; 354, first steering conveyor belt; 355, first stopper; 356, first stopper; 357, first positioning wall; 358, seventh proximity sensor; 36, first Second curing mechanism; 361, first lifting blocker; 362, first proximity sensor; 37, tray lifting platform; 371, fixing frame; 372, first lifting cylinder; 373, positioning frame; 374, support block; 375, positioning pin; 376, second proximity sensor; 38, second lifting blocker; 39, second steering mechanism; 391, second base frame; 392, third lifting cylinder; 393, second lifting frame; 394, second steering conveyor; 395, second blocker; 396, second Stopper; 397, second positioning wall; 398, eighth proximity sensor; 41, tray; 42, bearing surface; 421, corner positioning block; 422, adjusting bolt; 423, detection block; 424, anti-collision block; 43, chassis; 431, clearance groove; 432, offset groove; 433, pallet positioning block; 5, material transfer robot; 61, double-layer rack; 611, first conveying mechanism; 612, second conveying mechanism; 613, guide mechanism; 6131, guide wall; 6132, corner cylinder; 6133, Rotating rod; 614, limit block; 615, fourth proximity sensor; 616, fifth proximity sensor; 62, lifting frame; 621, outer frame; 622, vertical material moving mechanism; 6221, pneumatic slide rail; 6222, pneumatic slider; 6223, positioning slide rail; 6224, positioning slider; 6225, fixed plate; 623, horizontal material moving mechanism; 6231, base; 6232, material moving conveyor belt; 6233, third proximity sensor; 624, support column; 625, rubber shock-absorbing block. DETAILED DESCRIPTION

[0032] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0033] In the description of the present invention, unless otherwise specified, "plurality" means two or more. Terms such as "upper," "lower," "left," "right," "inner," "outer," "front," and "rear" indicate positions or relationships based on those shown in the accompanying drawings. These terms are intended solely to facilitate and simplify the description of the present invention and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, terms such as "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0034] As shown in the figure, the present invention provides a heliostat secondary curing system, comprising a circulating conveyor system 3, a secondary curing mechanism, and a material transfer robot 5 disposed between the circulating conveyor system 3 and the secondary curing mechanism. The heliostat undergoes primary curing in the circulating conveyor system 3, is then grasped and moved by the material transfer robot 5 to the secondary curing mechanism for secondary curing. This divides the heliostat curing process into two parts, eliminating the need to extend the entire production line and significantly reducing the footprint of the entire production line.

[0035] The heliostat includes a heliostat lens and a heliostat backplate. The heliostat backplate contacts a conveyor mechanism, and the heliostat lens is glued to the backplate. A circular conveyor system 3 is used to transport a pallet 4. A lens loading robot arm, a gluing robot arm, a backplate loading robot arm, and a transfer robot arm 5 are sequentially arranged around the circular conveyor system 3. The lens loading robot arm picks up the lens and transfers it to pallet 4 with its backside facing up. Pallet 4 carries the lens along the circular conveyor mechanism. The gluing robot arm applies glue to the gluing points on the back of the lens. The backplate loading robot arm aligns the adhesive portion of the backplate with the gluing points and places it on the back of the lens. Pallet 4 carries the assembled heliostat along the circular conveyor mechanism, gradually curing the glue during movement. Pallet 4 is transported to transfer robot arm 5, which removes the lens from pallet 4. Pallet 4 continues its circular motion within the circular conveyor mechanism, and the heliostat is assembled and cured on pallet 4, thus achieving high-precision automatic assembly of the heliostat lens and backplate.

[0036] Tray 4 comprises a body 41, with a supporting surface 42 disposed on it. A square frame-shaped chassis 43 is located at the bottom of the body 41. The supporting surface 42 is larger than the body 41. The supporting surface 42 is rectangular, with corner positioning blocks 421 located at its four corners to limit the position of the mirrors. Guide slopes are located inside the corner positioning blocks 421. The assembled heliostats are placed in the tray 4 and are driven by it for movement.

[0037] Tray positioning blocks 433 are located at the four corners of the bottom of the tray body 41. These blocks contain grooves that allow the tray lift to locate the position of the tray 4. Symmetrically positioned along the lengthwise bottom edge of the load-bearing surface 42 are inverted detection blocks 423. These serve as proximity sensors to detect targets. Anti-collision blocks 424 are located outside these blocks. If a pallet 4 accidentally collides with another, these blocks elastically deform to absorb the kinetic energy of the collision, preventing direct, hard contact and structural damage.

[0038] A primary curing mechanism 36 is provided in the circulating conveying system 3 , and a plurality of first lifting stoppers 361 are equidistantly provided in the primary curing mechanism 36 . On the outside of the circulating conveying system 3 , a corresponding first proximity sensor 362 is provided next to each first lifting stopper 361 .

[0039] The lift blocker features a pneumatically driven, upwardly extending piston rod and a horizontally mounted damper. The damper's piston rod faces the feed direction, slowly stopping the tray 4 through damping. When the vertical piston rod extends, the damper stops the tray 4. Retracting the vertical piston rod releases the tray 4. This lift blocker is conventional technology, and its internal structure will not be described in detail here.

[0040] When the detection block 423 of tray 4 moves to the first proximity sensor 362, the piston rod of the first lift blocker 361 extends to raise the damper, which slowly stops tray 4. When the subsequent tray 4 arrives, the first lift blocker 361 uses a cascade control method to release the blockage of the preceding tray 4 from front to back, allowing the trays 4 to pass one by one. This prolongs the residence time of the heliostat in the primary curing mechanism 36, allowing the glue to naturally cure during the slow transportation of the primary curing mechanism 36, and improving the bond strength between the backplate and the lens.

[0041] The heliostat is then transported to the pallet positioning mechanism, which includes a pallet lift 37 and a second lift stopper 38, which are used to stop the pallet 4 in front of the material transfer robot 5. The pallet lift 37 includes a fixed frame 371 fixedly installed between two top roller chain conveyors. The fixed frame 371 is square in shape, and a first lifting cylinder 372 is provided at each of the four corners of the fixed frame 371. The piston rod of the first lifting cylinder 372 is set vertically upward, and a positioning frame 373 is provided on the piston rod. The size of the positioning frame 373 matches the size of the chassis 43. Support blocks 374 are provided at the four corners of the upper surface of the positioning frame 373. The position of the support blocks 374 matches the position of the pallet positioning block 433 and is supported below the pallet positioning block 433. Positioning pins 375 are provided on at least the diagonal support blocks 374. The positioning pins 375 are inserted into the through holes of the pallet positioning block 433 to fix the position of the pallet 4. The height of the pallet lifting platform 37 in the initial state is lower than the height of the circulating conveying system 3. When the piston rod of the first lifting cylinder 372 extends and lifts the positioning frame 373, the pallet 4 is lifted from the circulating conveying system 3 and positioned.

[0042] The second lifting blocker 38 is arranged at the front end of the pallet lifting platform 37, and a second proximity sensor 376 is arranged on the outside of the circulating conveying system 3, which is located next to the second lifting blocker 38. The second proximity sensor 376 is electrically connected to the controller, and the position of the detection block 423 is detected by the second proximity sensor 376 to control the second lifting blocker 38 to rise and slowly stop the pallet 4 in front of the material transfer robot arm 5, and lift the pallet 4 through the pallet lifting platform 37 to position the pallet 4.

[0043] The material handling robot 5 grabs the heliostat from the pallet lift 37 at a fixed point and transports it to the secondary curing mechanism with the lens facing upward. The lens moves within the secondary curing mechanism and continues to cure the adhesive naturally. On the support surface 42 of the pallet 4, a plurality of adjustment bolts 422 are arranged circumferentially on a circle of varying radii, centered around the center of the support surface 42. The nuts of the adjustment bolts 422 have varying heights, decreasing in height as the radius of the circle increases. This results in the adjustment bolts 422 mounted on the support surface 42 being higher in the center and lower around the edges. The lens adheres to the bolts under its own weight, resulting in a concave curvature from the center outward. When transporting the lens, the material handling robot 5 places it in the secondary curing mechanism with the heliostat facing upward. The backplate is in direct contact with the secondary curing mechanism, maintaining the concave curvature of the lens.

[0044] After the material transfer robot arm 5 grabs the lens, the piston rod of the first cylinder in the tray lifting platform 37 is lowered, causing the tray 4 to drop onto the circulating conveying system 3. At the same time, the piston rod of the second lifting stopper 38 is lowered to release the tray 4, and the tray 4 continues to circulate in the circulating conveying system 3.

[0045] The secondary curing mechanism is arranged parallel to the primary curing mechanism 36 and includes a double-layer frame 61 and a lifting frame 62. The double-layer conveyor design fully utilizes the three-dimensional space, extending the cooling time of the heliostat within the limited space. The heliostat passes through the first conveyor mechanism 611, the horizontal material moving mechanism 623, and the second conveyor mechanism 612 in sequence, completely curing the adhesive applied between the heliostat backplate and the lens.

[0046] The double-layer frame 61 is equipped with a first conveying mechanism 611 and a second conveying mechanism 612. These first and second conveying mechanisms 611 and 612 utilize belt conveyors. These two conveying mechanisms move in opposite directions and are driven by a first drive unit and a second drive unit, respectively. As will be appreciated, the first conveying mechanism 611 moves toward the lifting frame 62, transporting the heliostats therein. The second conveying mechanism 612 moves away from the lifting frame 62, transporting the heliostats to the unloading section. Preferably, the first conveying mechanism 611 is located on the upper layer, while the second conveying mechanism 612 is located on the lower layer.

[0047] The lifting frame 62 includes an outer frame 621, a vertical material moving mechanism 622 vertically arranged in the outer frame 621, and a horizontal material moving mechanism 623 horizontally installed in the vertical material moving mechanism 622. The vertical material moving mechanism 622 is fixedly mounted on the side of the outer frame 621 away from the double-layer frame 61. The vertical material moving mechanism 622 includes a pneumatic slide 6221 and positioning slides 6223 arranged on both sides of the pneumatic slide 6221. The horizontal material moving mechanism 623 includes a base 6231, which is connected to the pneumatic slide 6221 and the positioning slide 6223. The base 6231 is provided with a material moving conveyor belt 6232.

[0048] The positioning rails 6223 are arranged on both sides of the pneumatic rail 6221. Each positioning rail 6223 is provided with two positioning sliders 6224. The side walls of the two positioning sliders 6224 are connected to a fixed plate 6225. The pneumatic rail 6221 is arranged toward the double-layer rack 61. The pneumatic slider 6222 is provided in the pneumatic rail 6221. The rear end of the base 6231 is fixedly connected to the pneumatic slider 6222 and the fixed plate 6225. The pneumatic rail 6221 moves the horizontal material moving mechanism 623 up and down under the control of the control valve. The positioning rails 6223 and the positioning slider 6224 provide support for the movement of the horizontal material moving mechanism 623 and disperse the load. At the same time, the double sliders are used to further disperse the load of the horizontal material moving mechanism 623 on the positioning rail 6223, thereby avoiding overload and extending the service life of the equipment.

[0049] The material transfer conveyor 6232 is a belt conveyor. Driven by a third drive device in either forward or reverse rotation, it moves the heliostats from the first conveyor mechanism 611 to the material transfer conveyor 6232, or from the material transfer conveyor 6232 to the second conveyor mechanism 612. The material transfer conveyor 6232 is interlaced with the first conveyor mechanism 611 and the second conveyor mechanism 612 near one end of the double-layer frame 61. When the pneumatic slide rail 6221 drives the material transfer conveyor 6232 to a first height and a second height, the material transfer conveyor 6232 is aligned with the first conveyor mechanism 611 and the second conveyor mechanism 612, respectively. At the first height, the material transfer conveyor 6232 matches the direction and speed of the first conveyor mechanism 611. At the second height, the material transfer conveyor 6232 matches the direction and speed of the second conveyor mechanism 612. The heliostat can move smoothly from the first conveying mechanism 611 to the horizontal material transfer mechanism 623, or from the horizontal material transfer mechanism 623 to the second conveying mechanism 612. A third proximity sensor 6233 is disposed on the rear side of the material transfer conveyor belt 6232. The third proximity sensor 6233 is vertically upward and electrically connected to the controller. When the heliostat moves above the third proximity sensor 6233 and detects the heliostat, indicating that the heliostat has fully moved onto the material transfer conveyor belt 6232, the controller controls the material transfer conveyor belt 6232 to stop and then controls the pneumatic slide 6221 to lower the material transfer conveyor belt 6232.

[0050] A support column 624 is provided at the bottom front side of the outer frame 621. A rubber shock-absorbing block 625 is provided on the support column 624. The rubber shock-absorbing block 625 can abut against the bottom of the base 6231 to prevent the heliostat from shifting due to vibration when the horizontal material moving mechanism 623 moves to the bottom.

[0051] Positioning mechanisms are installed on both sides of the second conveying mechanism 612's end. These mechanisms include guide mechanisms 613 on either side and stoppers 614 at the ends. These mechanisms correct the heliostat's deflection and adjust its posture, enabling the material transfer robot 5 to grab the heliostat from a fixed point and move it to the unloading mechanism. The guide mechanisms 613 include guide walls 6131 and a rotation cylinder 6132. The guide walls 6131 are fixedly mounted to the second conveying mechanism 612 via multiple right-angle connectors. The guide walls 6131 include an inclined guide section and a linear stopper section. The guide sections of the guide walls 6131 bend inward on both sides. The rotation cylinder 6132 is located inside the guide walls 6131. ​​These two mechanisms guide and correct the heliostat's deflection. A rotating rod 6133 is provided at the end of the piston rod of the rotation cylinder 6132. The rotating rod 6133 is located at the bend of the guide wall 6131. ​​In the initial state of the rotation cylinder 6132, the rotating rod 6133 is horizontal, allowing the heliostat to pass normally. When the piston rod of the rotation cylinder 6132 is extended, the rotating rod 6133 rotates 90 degrees and points vertically upward. The rotating rod 6133 abuts the front side of the heliostat back plate, leveling the heliostat. A fourth proximity sensor 615 is disposed between the two guide walls 6131, located in the inclined guide section of the guide walls 6131. ​​The fourth proximity sensor 615 is positioned vertically upward and is electrically connected to the controller. When the heliostat moves above the fourth proximity sensor 615 and detects the heliostat, the controller controls the piston rod of the angular cylinder 6132 to extend and contact the front side of the heliostat's backplate. After adjustment is complete, the piston rod of the angular cylinder 6132 is retracted, and the rotating rod 6133 rotates to a horizontal position, releasing the heliostat.

[0052] When the heliostat reaches the end of the second conveying mechanism 612, a stopper 614 stops it. The sidewall of the stopper 614, where it contacts the heliostat, is provided with a flexible protective layer, such as rubber, to prevent damage to the heliostat's backplate from colliding with the stopper 614. A fifth proximity sensor 616 is also provided at the stopper 614. The fifth proximity sensor 616 is vertically upward and electrically connected to the controller. When the heliostat moves above the fifth proximity sensor 616 and detects it, it indicates that the heliostat has been conveyed and stopped at the end of the second conveying mechanism 612. The controller then controls the material transfer robot 5 to grab the heliostat from a fixed point and move it to the unloading mechanism.

[0053] To further reduce the production line's footprint, the circulating conveyor mechanism includes a first linear conveyor 31, a first diverting conveyor 32, a second linear conveyor 33, and a second diverting conveyor 34, connected in sequence. The first and second linear conveyors 31, 33 are top-roller chain conveyors with roller chains on either side, while the first and second diverting conveyors 32, 34 are 90-degree roller conveyors. The first, first, second, third, and fourth linear conveyors 31, 32, 33, and second diverting conveyors 34 are driven by a fourth, fifth, sixth, and seventh drive unit, respectively.

[0054] The input end of the first diverting conveyor mechanism 32 is connected to the output end of the first linear conveyor mechanism 31, and the output end of the first diverting conveyor mechanism 32 is perpendicular to the second linear conveyor mechanism 33. The input end of the second diverting conveyor mechanism 34 is perpendicular to the second linear conveyor mechanism 33, and the output end of the second diverting conveyor mechanism 34 is connected to the input end of the first linear conveyor mechanism 31. In the second linear conveyor mechanism 33, a first diverting mechanism 35 and a second diverting mechanism 39 are respectively located at the output end of the first diverting conveyor mechanism 32 and the input end of the second diverting conveyor mechanism 34. Replacing the traditional 180° endless conveyor belt with a 90° roller conveyor belt and adding a diverting mechanism not only eliminates the cumulative error generated during the turning process of the pallet 4, but also reduces the width of the production line and its footprint.

[0055] The first steering mechanism 35 includes a first base frame 351 fixedly mounted within the second linear conveyor 33. Second lifting cylinders 352 are installed at the four corners of the first base frame 351. A first pallet lift 353 is mounted on the piston rod of the second lifting cylinder 352. A first diverting conveyor belt 354 is installed within the first pallet lift 353. The first diverting conveyor belts 354 are positioned on opposite sides of the first pallet lift 353. The movement direction and speed of the first diverting conveyor belts 354 match the movement direction of the first diverting conveyor 32. The first diverting conveyor belts 354 are driven perpendicularly to the second linear conveyor 33 by an eighth drive device. The first diverting conveyor belts 354 rotate synchronously with the first diverting conveyor 32, moving the pallets 4 from the first diverting conveyor 32 to the first diverting conveyor belts 354. The first pallet lift 353 is initially positioned below the second linear conveyor 33. After the second lifting cylinders 352 lift the first pallet lift 353, it becomes flush with the first diverting conveyor 32.

[0056] A first stopper 355 is provided on the side of the first pallet lift 353 near the first diverting conveyor mechanism 32. The first stopper 355 is located between the two conveyor belts of the first diverting mechanism 35. The first stopper 355 is a damping-type stopper, with its piston rod facing the first diverting conveyor mechanism 32. A first stopper 356 is provided on the piston rod of the first stopper 355. The height of the first stopper 356 is higher than the height of the first diverting conveyor belt 354, and is used to limit the movement distance of the pallet 4 in the first diverting mechanism 35.

[0057] Each side of the chassis 43 of the tray 4 is provided with centrally symmetrical offset slots 432. The offset slots 432 on two opposite sides of the chassis 43 are staggered to allow the blocker to pass through the front of the tray 4 and stop the tray 4 from the inside during the turning process. Clearance slots 431 are provided at the four corners of the chassis 43 to allow the chassis 43 to make way for the blocks that limit the position of the tray 4 during the turning process. Since the tray 4 rotates 180° with each rotation in the circulating conveyor system 3, the blocker can pass through the offset slots 432 when the tray 4 passes through the blocker in different orientations.

[0058] The first stopper 356 is positioned in the offset groove 432 on the front side of the tray 4. The first stopper 356 can pass through the offset groove 432 on the front side of the tray 4 and block the tray 4 from the inside, stopping the tray 4. First positioning walls 357 are positioned on both sides of the first diverting conveyor 354. Guide slopes are provided within the first positioning walls 357 at the input end of the first diverting mechanism 35. The spacing between the first positioning walls 357 matches the spacing between the trays 4, providing deviation correction and position limiting for the trays 4.

[0059] A sixth proximity sensor 311 is provided at the entrance of the first diverting conveyor mechanism 32. The position of the sixth proximity sensor 311 matches the position of the detection block 423. When a pallet 4 passes through the sixth proximity sensor 311, the sixth proximity sensor 311 detects the passage of the detection block 423. The sixth proximity sensor 311 then sends an electrical signal to the controller, causing the piston rod of the second lifting cylinder 352 to extend, lifting the first pallet lifting frame 353 and simultaneously activating the first diverting conveyor belt 354. A seventh proximity sensor 358 is provided on the side of the second linear conveyor mechanism 33 away from the first diverting conveyor mechanism 32. When the detection block 423 of the pallet 4 moves onto the seventh proximity sensor 358, the pallet 4 has completely moved onto the first diverting conveyor belt 354. The first stopper 356 stops the pallet 4 from the inside. The controller stops the first diverting conveyor belt 354 and lowers the piston rod of the second lifting cylinder 352, causing the pallet 4 to descend into the second linear conveyor mechanism 33, where it then moves laterally.

[0060] The second steering mechanism 39 is arranged on the rear side of the pallet positioning mechanism, including a second base frame 391 fixedly installed in the second linear conveying mechanism 33, and a third lifting cylinder 392 is arranged at the four corners of the second base frame 391, and a second lifting frame 393 is arranged on the piston rod of the third lifting cylinder 392. A second steering conveyor belt 394 is arranged in the second lifting frame 393, and the second steering conveyor belt 394 is relatively arranged on both sides of the second lifting frame 393. The movement direction and conveying speed of the second steering conveyor belt 394 match the second steering conveying mechanism 34, and the movement direction is perpendicular to the second linear conveying mechanism 33. The pallet 4 is moved from the second linear conveying mechanism 33 to the second steering conveying mechanism 34 by the drive of the ninth drive device.

[0061] The second lifting frame 393 is provided with a second stopper 395. This second stopper 395 is a damping type stopper, located between the two top roller chain conveyors of the second linear conveyor mechanism 33. A second stopper 396 is provided on the piston rod of the second stopper 395. The second stopper 396 is located in the offset groove 432 on the front side of the pallet 4. The piston rod of the second stopper 395 is positioned in the feeding direction, and is used to limit the movement distance of the pallet 4 in the second linear conveyor mechanism 33. Second positioning walls 397 are provided on both sides of the second diverting conveyor 394. The spacing between the second positioning walls 397 matches the side length of the chassis 43, limiting the position of the pallet 4. When the piston rod of the second stopper 395 is in a compressed state, the spacing between the second stopper 396 and the second positioning walls 397 matches the width of the frame-shaped chassis 43. When the pallet 4 moves into position, the bottom frame of the pallet 4 is precisely positioned above the second diverting conveyor 394.

[0062] When the second lifting frame 393 is at its initial height, the second diverting conveyor belt 394 is lower than the second linear conveyor mechanism 33, and the second stopper 396 is higher than the second linear conveyor mechanism 33. When the second lifting frame 393 is at its second height, the second diverting conveyor belt 394 is aligned with the second diverting conveyor mechanism 34. An eighth proximity sensor 398 is provided at the front end of the second diverting conveyor belt 394, outside the second linear conveyor mechanism 33. The eighth proximity sensor 398 is electrically connected to the controller. When the eighth proximity sensor 398 detects the detection block 423 located in front of the tray 4, it sends an electrical signal to the controller, controlling the third lifting cylinder 392 to raise the second lifting frame 393 to the second height. Subsequently, the second diverting conveyor belt 394 rotates synchronously with the second diverting conveyor mechanism 34, transferring the tray 4 to the second diverting conveyor mechanism 34. When the second diverting conveyor belt 394 diverts the tray 4, the second stopper 396 avoids collision with the chassis 43 due to the clearance groove 431 provided at the bottom of the tray 4.

[0063] During use, after the heliostat is assembled on the pallet 4, it is driven by the circulating conveying system 3 and conveyed to the primary curing mechanism 36. The pallets 4 are released in sequence through a cascade control method. The heliostat is initially cured during the conveying process of the primary curing mechanism 36. Then, the pallet 4 is conveyed to the pallet positioning mechanism. The pallet positioning mechanism lifts the pallet 4. The material transfer robot arm 5 grabs the heliostat with the glue initially cured and places it at the input end of the first conveying mechanism 611. The first conveying mechanism 611 and the second conveying mechanism 612 continue to move. The heliostat is driven by the first conveying mechanism 611 to move to the lifting frame 62. The material transfer conveyor belt 6232 is started and The first conveying mechanism 611 rotates synchronously, and the heliostat moves to the horizontal material transfer mechanism 623. The pneumatic slide rail 6221 is then controlled to lower the horizontal material transfer mechanism 623. The material transfer conveyor belt 6232 rotates in the opposite direction, synchronizing the material transfer conveyor belt 6232 with the second conveying mechanism 612. The horizontal material transfer mechanism 623 then rises and returns to its original position. Driven by the second conveying mechanism 612, the heliostat moves to the guide mechanism 613. After correction and adjustment by the guide wall 6131 and the angle cylinder 6132, the heliostat stops at the stop block 614. The material transfer robot arm 5 grabs the heliostat from the fixed point and moves it to the unloading mechanism, where it is removed from the production line and stored.

[0064] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A heliostat secondary curing system, characterized in that: include: A circulating conveying system, wherein a plurality of circulating transport pallets (4) (4) are provided on the circulating conveying system, heliostats are placed in the pallets (4), a primary curing mechanism (36) and a pallet positioning mechanism are sequentially provided in the circulating conveying system, a plurality of lifting stoppers (361) for stopping and releasing the pallets (4) in sequence are equidistantly provided in the primary curing mechanism (36), and the pallet positioning mechanism is used to lift and position the pallet (4); A secondary curing mechanism, the secondary curing mechanism comprising a double-layer frame (61) and a lifting frame (62), the double-layer frame (61) comprising a first conveying mechanism (611) and a second conveying mechanism (612), the first conveying mechanism (611) moving in a direction toward the lifting frame (62), the second conveying mechanism (612) moving in a direction away from the lifting frame (62), a posture adjustment and positioning mechanism being provided at the end of the second conveying mechanism (612), the lifting frame (62) comprising an outer frame (621), a vertical material moving mechanism (622) vertically arranged in the outer frame (621), and a horizontal material moving mechanism (623) horizontally installed in the vertical material moving mechanism (622), the vertical material moving mechanism (622) being used to drive the horizontal material moving mechanism (623) to move vertically to a first height flush with the first conveying mechanism (611) and a second height flush with the second conveying mechanism (612); A material transfer mechanical arm (5) is provided next to the pallet positioning mechanism and is used to grab the heliostat located on the pallet positioning mechanism and move it to the first conveying mechanism (611).

2. The heliostat secondary curing system according to claim 1, characterized in that: The tray (4) comprises a tray body (41), a bearing surface (42) is provided on the tray body (41), a square frame-shaped chassis (43) is provided at the bottom of the tray body (41), inverted detection blocks (423) are symmetrically provided at the bottom edge of the bearing surface (42) in the longitudinal direction, and a tray positioning block (433) is provided at the bottom of the tray body (41).

3. The heliostat secondary curing system according to claim 1, characterized in that: A plurality of first lifting stoppers (361) are arranged at equal intervals in the primary curing mechanism (36), and a corresponding first proximity sensor (362) is arranged next to each first lifting stopper (361) on the outside of the circulating conveying system.

4. The heliostat secondary curing system according to claim 1, characterized in that: The pallet positioning mechanism includes a pallet lifting platform (37) and a second lifting blocker (38), wherein the second lifting blocker (38) is arranged at the front end of the pallet lifting platform (37), and a second proximity sensor (376) is arranged outside the circulating conveying system at the second lifting blocker (38).

5. The heliostat secondary curing system according to claim 1, characterized in that: The pallet positioning mechanism includes a second lifting blocker (38) and a pallet lifting platform (37), the pallet lifting platform (37) includes a fixed frame (371), a first lifting cylinder (372) is provided in the fixed frame (371), the piston rod of the first lifting cylinder (372) is vertically upwardly arranged, a positioning frame (373) is provided on the piston rod, a support block (374) matching the position of the pallet positioning block (433) is provided on the upper surface of the positioning frame (373), and a positioning pin (375) is provided on at least the diagonal support block (374), and the second lifting block (38) is provided at the front end of the pallet lifting platform (37).

6. The heliostat secondary curing system according to claim 1, characterized in that: The vertical material moving mechanism (622) is installed on the side of the outer frame (621) away from the double-layer rack (61), and includes a pneumatic slide rail (6221) and positioning slide rails (6223) arranged on both sides of the pneumatic slide rail (6221), and each positioning slide rail (6223) is respectively provided with two positioning sliders (6224), and the side walls of the two positioning sliders (6224) are connected to a fixed plate (6225); the pneumatic slide rail (6221) is arranged toward the double-layer rack (61), and the pneumatic slide rail (6221) is provided with a pneumatic slider (6222); the horizontal material moving mechanism (623) includes a base (6231), and the base (6231) is connected to the pneumatic slide rail (6221) and the positioning slide rail (6223), and a material moving conveyor belt (6232) is provided on the base (6231).

7. The heliostat secondary curing system according to claim 1, characterized in that: The posture adjustment and positioning mechanism comprises a guide mechanism (613) arranged on both sides and a limit block (614) arranged at the end, wherein the guide mechanism (613) comprises a guide wall (6131) and a rotation angle cylinder (6132), wherein the guide wall (6131) comprises an inclined guide section and a straight limit section, wherein the guide section of the guide wall (6131) is bent inward from both sides, and the rotation angle cylinder (6132) is arranged on the inner side of the guide wall (6131), and a rotating rod (6133) is provided at the end of the piston rod of the rotation angle cylinder (6132).

8. The heliostat secondary curing system according to claim 1, characterized in that: The circulating conveying system comprises a first linear conveying mechanism (31), a first steering conveying mechanism (32), a second linear conveying mechanism (33) and a second steering conveying mechanism (34) which are connected in sequence. The first steering conveying mechanism (32) and the second steering conveying mechanism (34) are 90-degree roller conveyor belts. The input end of the first steering conveying mechanism (32) is connected to the output end of the first linear conveying mechanism (31). The output end of the first steering conveying mechanism (32) is perpendicular to the second linear conveying mechanism (33). The input end of the second steering conveying mechanism (34) is perpendicular to the second linear conveying mechanism (33). The output end of the second steering conveying mechanism (34) is connected to the input end of the first linear conveying mechanism (31). The plane where the first linear conveying mechanism (31), the first steering conveying mechanism (32) and the second steering conveying mechanism (34) are located is located in a first plane. The plane where the second steering conveying mechanism (34) is located is located in a second plane. The second plane is lower than the first plane.

9. The heliostat secondary curing system according to claim 8, characterized in that: The first steering mechanism (35) includes a first base frame (351) fixedly mounted in the second linear conveying mechanism (33); a second lifting cylinder (352) with a piston rod pointing vertically upward is provided in the first base frame (351); a first pallet lifting frame (353) is provided on the piston rod of the second lifting cylinder (352); a first steering conveyor belt (354) matching the movement direction of the first steering conveying mechanism (32) is provided in the first pallet lifting frame (353); a first blocker (355) facing the first steering conveying mechanism (32) is provided on a side of the first pallet lifting frame (353) close to the first steering conveying mechanism (32); The second steering mechanism (39) includes a second base frame (391) fixedly installed in the second linear conveying mechanism (33), a third lifting cylinder (392) with a piston rod pointing vertically upward is provided in the second base frame (391), a second lifting frame (393) is provided on the piston rod of the third lifting cylinder (392), a second steering conveyor belt (394) matching the movement direction of the second steering conveying mechanism (34) is provided in the second lifting frame (393), and a second blocker (395) facing the input end of the second linear conveying mechanism (33) is provided in the second lifting frame (393).

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