Pallet conveyor and pallet conveying method with flipping and buffering functions

Abstract

This invention relates to a pallet conveyor and pallet conveying method with flipping and buffering functions. The pallet conveyor includes a frame, on which a conveyor frame, a flipping device, a buffering device, and a pallet separating device are sequentially mounted. The flipping device includes a flipping frame and a driving mechanism for rotating the flipping frame. The flipping frame includes a high-position slide rail and a low-position slide rail that alternately change height. The buffering device has a liftable lifting frame. A pusher mechanism is provided on the upper part of the frame. The pusher mechanism includes a sliding frame and a pusher driving mechanism, which drives the sliding frame to move on the frame. Multiple levers are provided at the lower part of the sliding frame, including one controllable lever and four unidirectional pushing levers. The controllable lever cooperates with the buffering device, and the four unidirectional pushing levers cooperate with the conveyor frame, the high-position slide rail, the low-position slide rail, and the buffering device, respectively. The pallet conveyor of this invention with flipping and buffering functions has a buffering function and can flexibly convey pallets.

Description

Technical Field

[0001] This invention relates to the field of block forming equipment technology, and in particular to a pallet conveyor and conveying plate method with flipping and buffering functions. Background Technology

[0002] In the production process of block molding machines, pallet conveying, flipping, and buffering are crucial links. Existing pallet conveying equipment and methods have many shortcomings. They can only perform pallet conveying operations and cannot meet the needs of large-scale flexible production. The buffering function is imperfect and it is difficult to flexibly cope with the requirements of different production rhythms. These problems seriously restrict the overall production efficiency and product quality of block molding machines, and an innovative solution is urgently needed to improve them. Summary of the Invention

[0003] To overcome the technical defects of the existing technology, the present invention provides a pallet conveyor with flipping and buffering functions, which has a buffering function and can flexibly transport pallets.

[0004] The technical solution adopted in this invention is: a pallet conveyor with flipping and buffering functions, including a frame, on which a conveyor frame, a flipping device, a buffering device, and a separating device are sequentially installed. The flipping device includes a flipping frame and a flipping drive mechanism for driving the flipping frame to rotate. The flipping frame includes a high-position slide rail and a low-position slide rail with alternating heights. The buffering device has a liftable lifting frame. A pusher mechanism is provided on the upper part of the frame. The pusher mechanism includes a sliding frame and a pusher drive mechanism. The pusher drive mechanism drives the sliding frame to move on the frame. A plurality of levers are provided on the lower part of the sliding frame. The plurality of levers includes one controllable lever and four unidirectional push levers. The controllable lever cooperates with the buffering device, and the four unidirectional push levers cooperate with the conveyor frame, the high-position slide rail, the low-position slide rail, and the buffering device, respectively.

[0005] Preferably, the conveyor frame has an inlet on its side.

[0006] Preferably, the flipping frame is rotatably mounted on the frame via a horizontal rotating shaft, and the flipping drive mechanism includes a flipping motor that drives the horizontal rotating shaft to rotate.

[0007] Preferably, the buffer device includes a buffer frame, a lifting frame, and a lifting drive mechanism. The lifting frame is movably installed in the buffer in a vertical direction. The lifting drive mechanism is installed on the upper part of the buffer to drive the lifting frame to rise and fall. A left side plate and a right side plate are respectively provided on the buffer frame on the left and right sides of the lifting frame. A partition assembly is installed at the left end of the buffer. The partition assembly includes a drive motor, a transmission shaft, a connecting rod, and a lever. The transmission shaft is rotatably installed on the buffer frame around a horizontal axis. The drive motor is installed on the buffer and drives the transmission shaft to rotate through the connecting rod. The lever is installed on the transmission shaft. The upper end of the left side plate is provided with a notch for the lever to pass through.

[0008] Preferably, the slitting device includes a slitting frame that is vertically movably mounted on the frame, a lifting drive mechanism for driving the slitting frame to rise and fall, and a support claw located at the lower end of the slitting frame.

[0009] Preferably, the controllable lever includes a swing motor, a swing frame, a first top block, and a first lever, all mounted on the sliding frame. The first lever is rotatably mounted on the sliding frame. Under its own weight, the first end of the first lever falls to a low position, and its second end abuts against the first top block. The first end of the first lever is provided with a first push block, and the other end is provided with a top wheel. The middle part of the swing frame is rotatably mounted on the sliding frame. The lower end of the swing frame abuts against the top wheel. The upper end of the swing frame is connected to the upper end of the swing frame through a swing linkage and drives the swing frame to rotate.

[0010] Preferably, the unidirectional push block includes a second top block mounted on the sliding frame and a second lever rotatably mounted on the sliding frame. Under the action of its own weight, the first end of the second lever falls to a low position, and its second end abuts against the second top block. The first end of the second lever is provided with a second push block.

[0011] Preferably, the push plate drive mechanism includes a push plate motor and a transmission chain. The push plate motor is mounted on the frame, and the output end of the push plate motor is provided with a drive gear. The frame is also equipped with a driven gear that is opposite to the push plate motor. The transmission chain is sleeved on the drive gear and the driven gear. The sliding frame is connected to the transmission chain through a connecting rod.

[0012] Preferably, the high-position slide rail is composed of two high-position slide grooves mounted opposite each other on the flipping frame, and the low-position slide rail is composed of two low-position slide grooves mounted opposite each other on the flipping frame.

[0013] The conveyor plate method includes the following steps: S1. The pallet enters the frame and is placed on the conveyor frame; S2. The sliding frame is pushed forward. The push plate driving mechanism drives the sliding frame to move. The one-way push block pushes the tray forward by one plate position. The next tray can enter the conveyor frame. The sliding frame is reset. Then the sliding frame pushes the first tray into the low slide of the flipping device. S3. The pallet flips over, and the flipping drive mechanism drives the flipping frame to rotate 180 degrees, and the low slide rail rotates to the original high slide rail position. S4. Push the tray into the buffer device, the sliding frame pushes the tray away from the high slide rail of the flipping device, and the tray reaches the lifting frame; S5. Separation operation: When separation operation is required, the controllable pusher will push the tray away from the buffer device and the tray will reach the separation device.

[0014] The beneficial effects of this invention are as follows: The buffer device of the pallet conveyor with flipping and buffering functions can flexibly adjust the number of pallets stored according to production needs, adapt to different production rhythms, and improve the practicality and flexibility of the equipment. When the production task suddenly increases, the buffer device can store more pallets, and the sliding frame can push multiple pallets to ensure the continuity of production. When the production task decreases, the buffer device can reduce the number of pallets stored, and the sliding frame can push a single pallet to avoid resource waste. The flipping function of the flipping device allows the pallets to be used alternately on both sides, effectively extending the service life of the pallets. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the pallet conveyor with flipping and buffering functions of the present invention.

[0016] Figure 2 for Figure 1 A magnified view of a portion of point A in the middle.

[0017] Figure 3 for Figure 1 A magnified view of a section at point B in the middle.

[0018] Figure 4 This is a schematic diagram of the pusher mechanism of the present invention. Figure 1 .

[0019] Figure 5 This is a schematic diagram of the pusher mechanism of the present invention. Figure 2 .

[0020] Figure 6 for Figure 5 A magnified view of a section at point C.

[0021] Figure 7 This is a schematic diagram of the structure of the cache device of the present invention. Figure 1 .

[0022] Figure 8 This is a schematic diagram of the structure of the cache device of the present invention. Figure 2 .

[0023] Explanation of reference numerals in the attached diagram: 1. Frame; 2. Conveyor frame; 3. Tilting device; 301. Tilting drive mechanism; 302. Tilting frame; 303. High-position slide rail; 304. Low-position slide rail; 4. Buffer device; 401. Left side plate; 402. Right side plate; 403. Notch; 404. Lifting frame; 405. Lifting drive mechanism; 406. Drive motor; 407. Transmission shaft; 408. Pulley; 409. Buffer frame; 5. Plate separating device; 501. Plate separating frame; 502. Lifting drive mechanism; 503. Support claw; 6. Push plate mechanism; 601. Sliding frame; 602. Push plate drive mechanism; 6021. Push plate motor; 6022. Transmission chain; 6023. Drive gear; 6024. Driven gear; 6025. Connecting rod; 603. Controllable lever; 604. First lever; 605. First top block; 606. Top wheel; 607. Swing frame; 608. Swing motor; 611. First push block; 612. One-way push lever; 613. Second lever; 614. Second top block; 615. Second push block; 616. First transmission rod; 617. Second transmission rod. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings: like Figures 1 to 8 As shown, this embodiment provides a pallet conveyor with flipping and buffering functions, including a frame 1. A conveyor frame 2, a flipping device 3, a buffering device 4, and a separating device 5 are sequentially mounted on the frame 1. The flipping device 3 includes a flipping frame 302 and a flipping drive mechanism 301 that drives the flipping frame 302 to rotate. The flipping frame 302 includes a high-position slide rail 303 and a low-position slide rail 304 with alternating heights. The buffering device 4 has a liftable lifting frame 404. A pusher mechanism 6 is provided on the upper part of the frame 1. The push plate mechanism 6 includes a sliding frame 601 and a push plate driving mechanism 602. The push plate driving mechanism 602 drives the sliding frame 601 to move on the frame 1. The lower part of the sliding frame 601 is provided with a plurality of toggle blocks 408. The plurality of toggle blocks 408 include a controllable toggle block 603 and four unidirectional push toggle blocks 612. The controllable toggle block 603 cooperates with the buffer device 4. The four unidirectional push toggle blocks 612 cooperate with the conveyor frame 2, the high-position slide rail 303, the low-position slide rail 304 and the buffer device 4 respectively.

[0025] In this embodiment, the frame 1 on the side of the conveyor 2 is provided with a plate inlet. The pallet enters the frame 1 through the side of the frame 1, and then the sliding frame 601 pushes the pallet to move the pallet toward the plate separating device 5.

[0026] In this embodiment, the high-position slide rail 303 is composed of two high-position slide grooves installed opposite each other on the flipping frame 302. The two high-position slide grooves are installed at the same height and their openings are opposite each other. The low-position slide rail 304 is composed of two low-position slide grooves installed opposite each other on the flipping frame 302. The two low-position slide grooves are installed at the same height and their openings are opposite each other. The flipping frame 302 is rotatably mounted on the frame 1 via a horizontal rotating shaft. The flipping drive mechanism 301 includes a flipping motor, which drives the horizontal rotating shaft to rotate. When performing the flipping operation, the flipping drive mechanism 301 drives the flipping frame 302 to rotate 180 degrees, and the positions of the high-position slide rail 303 and the low-position slide rail 304 are swapped. The tray in the original low-position slide rail 304 is also flipped 180 degrees.

[0027] In this embodiment, the buffer device 4 includes a buffer frame 409, a lifting frame 404, and a lifting drive mechanism 405. The lifting frame 404 is movably installed in the buffer frame 409 in a vertical direction. The lifting drive mechanism 405 is installed on the upper part of the buffer frame 409 to drive the lifting frame 404 to rise and fall. A left side plate 401 and a right side plate 402 are respectively provided on the frame 1 on the left and right sides of the lifting frame 404. A plate-separating assembly is installed on the left end of the frame 1. The plate-separating assembly includes a drive motor 406, a transmission shaft 407, a connecting rod, and a lever 408. The transmission shaft 407 is rotatably installed on the buffer frame 409 around a horizontal axis. The drive motor 406 is installed on the buffer frame 409 and drives the transmission shaft 407 to rotate through the connecting rod. The lever 408 is installed on the transmission shaft 407. The left side plate 401 and right side plate 402 are respectively provided on the frame 1 on the left side of the lifting frame 404. The upper end of 1 has a notch 403 for the pry block 408 to pass through. The pallet stack is stored on the lifting frame 404. When performing the pallet separation operation, the lifting drive mechanism 405 drives the lifting frame 404 and the pallet stack to a specified height. The specific position is determined by the number of pallets to be lifted. The drive motor 406 drives the pry block 408 to rotate, lifting one or two pallets. With the cooperation of the sliding frame 601, the pallets can be transferred. Then the pry block 408 is reset. When separating the pallets again, the lifting frame 404 and the pallet stack are lifted again, thus realizing continuous operation. The buffer device 4 in this embodiment is simple to operate and is not prone to jamming or errors. Moreover, the pallet separation component is located outside the left side plate 401 and will not interfere with the lifting frame 404 and the pallet stack. When performing the buffer operation, the lifting drive mechanism 405 drives the lifting frame 404 to descend, and the subsequent pallets can enter the buffer frame 409.

[0028] In this embodiment, the plate separating device 5 includes a plate separating frame 501 that is vertically movably mounted on the frame 1, a lifting drive mechanism 502 that drives the plate separating frame 501 to rise and fall, and a support claw 503 located at the lower end of the plate separating frame 501. After the pallet arrives at the plate separating device 5, the lifting drive mechanism drives the lifting drive mechanism 502 to drive the plate separating frame 501 and the pallet to rise and fall, so that the pallet reaches the height of the subsequent equipment, and the subsequent equipment then transfers the pallet.

[0029] In this embodiment, the controllable lever 603 includes a swing motor 608, a swing frame 607, a first top block 605, and a first lever 604, all mounted on the sliding frame 601. The first lever 604 is rotatably mounted on the sliding frame 601. Under its own weight, the first end of the first lever 604 falls to a lower position, and its second end abuts against the first top block 605. The first end of the first lever 604 is provided with a first push block 611, and the other end is provided with a top wheel 606. The middle part of the swing frame 607 is rotatably mounted on the sliding frame 601. The lower end of 607 abuts against the top wheel 606. The output end of the swing motor 608 is connected to the upper end of the swing frame 607 via a swing linkage and drives the swing frame 607 to rotate. The user can set the controllable lever 603 in the corresponding position according to actual needs. When controlling the first lever 604, the swing motor 608 drives the swing frame 607 to rotate. The swing frame 607 pushes the top wheel 606, and the swing frame 607 can push the first lever 604 to rotate, thereby changing the position of the first push block 611, so as to control the first lever 604 to perform a pushing operation or not to perform a pushing operation.

[0030] In this embodiment, the swing motor 608 drives the swing frame 607 to rotate via a swing linkage. The swing linkage includes a first transmission rod 616 and a second transmission rod 617. The first end of the first transmission rod 616 is connected to the output end of the swing motor 608, and the second end of the first transmission rod 616 is hinged to the first end of the second transmission rod 617. The second end of the second transmission rod 617 is hinged to the upper end of the swing frame 607. The swing motor 608 drives the first transmission rod 616 to rotate, thereby driving the second transmission rod 617 to move. The second transmission rod 617 then pulls the swing frame 607 to rotate.

[0031] In this embodiment, the one-way push block includes a second top block 614 mounted on the sliding frame 601 and a second lever 613 rotatably mounted on the sliding frame 601. Under its own weight, the first end of the second lever 613 falls to a low position, and its second end abuts against the second top block 614. The first end of the second lever 613 is provided with a second push block 615. During operation, the one-way push block 612 moves back and forth under the drive of the sliding frame 601. When the sliding frame 601 moves forward, the second push block 615 pushes the pallet to move. When the sliding frame 601 moves backward, the second lever 613 rotates after contacting the pallet, and the second push block 615 rotates upward. When the second lever 613 reaches the rear end of the pallet, the second push block 615 rotates back to its original position, the sliding frame 601 moves forward, and the second push block 615 can push the pallet again.

[0032] In this embodiment, the push plate drive mechanism 602 includes a push plate motor 6021 and a transmission chain 6022. The push plate motor 6021 is mounted on the frame 1, and a drive gear 6023 is mounted on the output end of the push plate motor 6021. A driven gear 6024 is also mounted on the frame 1 and is disposed opposite to the push plate motor 6021. The transmission chain 6022 is sleeved on the drive gear 6023 and the driven gear 6024. The sliding frame 601 is connected to the transmission chain 6022 through a connecting rod 6025. The two ends of the connecting rod 6025 are respectively hinged to the sliding frame 601 and the transmission chain 6022.

[0033] This embodiment also relates to a pallet conveying method, which is implemented using the aforementioned pallet conveyor with flipping and buffering functions, and includes the following steps: S1. The pallet enters the frame 1 and is placed on the conveyor frame 2; S2. The sliding frame 601 is pushed, and the push plate driving mechanism 602 drives the sliding frame 601 to move. The one-way push block pushes the pallet forward by one plate position, and the next pallet can enter the conveyor frame 2. The sliding frame 601 is reset, and then the sliding frame 601 pushes the first pallet into the low slide rail 304 of the flipping device 3. S3. The pallet flips over, and the flipping drive mechanism 301 drives the flipping frame 302 to rotate 180 degrees, and the low slide rail 304 rotates to the original high slide rail 303 position. S4. Push the tray into the buffer device 4. The sliding frame 601 pushes the tray away from the high-position slide rail 303 of the flipping device 3. The tray reaches the lifting frame 404. S5. Plate separation operation: When plate separation is required, the controllable lever 603 pushes the pallet away from the buffer device 4 and the pallet reaches the plate separation device 5. When plate separation is not performed, the first lever 604 of the controllable lever 603 can be rotated so that the first lever 604 cannot contact the pallet and the pallet is continuously fed into the buffer device 4.

[0034] The pallet conveyor of the present invention with flipping and buffering functions has a buffering device 4 that can flexibly adjust the number of pallets stored according to production needs, adapt to different production rhythms, and improve the practicality and flexibility of the equipment. When the production task suddenly increases, the buffering device 4 can store more pallets, and the sliding frame 601 can push multiple pallets to ensure the continuity of production. When the production task decreases, the buffering device 4 can reduce the number of pallets stored, and the sliding frame 601 pushes a single pallet to avoid resource waste. The flipping function of the flipping device 3 of the present invention allows the pallets to be used alternately on both sides, effectively extending the service life of the pallets.

[0035] The foregoing has shown and described the basic principles and main features of the present invention, as well as its advantages. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the present invention. Various changes and modifications can be made to the present invention without departing from its spirit and scope. All such changes and modifications fall within the scope of the present invention as claimed, which is defined by the appended claims and their equivalents.

Claims

1. A pallet conveyor with flipping and buffering functions, characterized in that: The device includes a frame on which a conveyor, a tilting device, a buffer device, and a plate separating device are sequentially mounted. The tilting device includes a tilting frame and a tilting drive mechanism that drives the tilting frame to rotate. The tilting frame includes a high-position slide rail and a low-position slide rail that alternately change height. The buffer device has a liftable lifting frame. The upper part of the frame is provided with a push plate mechanism, which includes a sliding frame and a push plate drive mechanism. The push plate drive mechanism drives the sliding frame to move on the frame. The lower part of the sliding frame is provided with multiple levers, including one controllable lever and four unidirectional push levers. The controllable lever cooperates with the buffer device, and the four unidirectional push levers cooperate with the conveyor, the high-position slide rail, the low-position slide rail, and the buffer device, respectively.

2. The pallet conveyor with flipping and buffering functions according to claim 1, characterized in that: The conveyor frame has a plate inlet on its side.

3. The pallet conveyor with flipping and buffering functions according to claim 1, characterized in that: The flipping frame is rotatably mounted on the machine frame via a horizontal rotating shaft, and the flipping drive mechanism includes a flipping motor, which drives the horizontal rotating shaft to rotate.

4. The pallet conveyor with flipping and buffering functions according to claim 1, characterized in that: The buffer device includes a buffer frame, a lifting frame, and a lifting drive mechanism. The lifting frame is vertically movable and installed inside the buffer. The lifting drive mechanism is installed on the upper part of the buffer and drives the lifting frame to rise and fall. A left side plate and a right side plate are respectively provided on the buffer frame on the left and right sides of the lifting frame. A partition assembly is installed at the left end of the buffer. The partition assembly includes a drive motor, a transmission shaft, a connecting rod, and a lever. The transmission shaft is rotatably installed on the buffer frame around a horizontal axis. The drive motor is installed on the buffer and drives the transmission shaft to rotate through the connecting rod. The lever is installed on the transmission shaft. The upper end of the left side plate has a notch for the lever to pass through.

5. The pallet conveyor with flipping and buffering functions according to claim 1, characterized in that: The slitting device includes a slitting frame that is vertically movable and mounted on the frame, a lifting drive mechanism for driving the slitting frame to rise and fall, and a support claw located at the lower end of the slitting frame.

6. The pallet conveyor with flipping and buffering functions according to claim 1, characterized in that: The controllable lever includes a swing motor, a swing frame, a first top block, and a first lever, all mounted on the sliding frame. The first lever is rotatably mounted on the sliding frame. Under its own weight, the first end of the first lever drops to a low position, and the second end abuts against the first top block. The first end of the first lever is provided with a first push block, and the other end is provided with a top wheel. The middle part of the swing frame is rotatably mounted on the sliding frame. The lower end of the swing frame abuts against the top wheel. The upper end of the swing frame is connected to the upper end of the swing frame through a swing linkage and drives the swing frame to rotate.

7. The pallet conveyor with flipping and buffering functions according to claim 1, characterized in that: The unidirectional push block includes a second top block mounted on the sliding frame and a second lever rotatably mounted on the sliding frame. Under the action of its own weight, the first end of the second lever falls to a low position, and its second end abuts against the second top block. The first end of the second lever is provided with a second push block.

8. The pallet conveyor with flipping and buffering functions according to claim 1, characterized in that: The push plate drive mechanism includes a push plate motor and a transmission chain. The push plate motor is mounted on the frame. The output end of the push plate motor is provided with a drive gear. The frame is also equipped with a driven gear that is opposite to the push plate motor. The transmission chain is sleeved on the drive gear and the driven gear. The sliding frame is connected to the transmission chain through a connecting rod.

9. The pallet conveyor with flipping and buffering functions according to claim 1, characterized in that: The high-position slide rail consists of two high-position slide grooves installed opposite each other on the flipping frame, and the low-position slide rail consists of two low-position slide grooves installed opposite each other on the flipping frame.

10. A pallet conveying method, implemented using a pallet conveyor with flipping and buffering functions as described in any one of claims 1 to 9, characterized in that: Includes the following steps, S1. The pallet enters the frame and is placed on the conveyor frame; S2. The sliding frame is pushed forward. The push plate driving mechanism drives the sliding frame to move. The one-way push block pushes the tray forward by one plate position. The next tray can enter the conveyor frame. The sliding frame is reset. Then the sliding frame pushes the first tray into the low slide of the flipping device. S3. The pallet flips over, and the flipping drive mechanism drives the flipping frame to rotate 180 degrees, and the low slide rail rotates to the original high slide rail position. S4. Push the tray into the buffer device, the sliding frame pushes the tray away from the high slide rail of the flipping device, and the tray reaches the lifting frame; S5. Separation operation: When separation operation is required, the controllable pusher will push the tray away from the buffer device and the tray will reach the separation device.

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