Stacking machine with synchronous lifting mechanism

Abstract

The utility model provides a stacking machine with a synchronous lifting mechanism, and belongs to the technical field of stacking machines, the stacking machine comprises a frame main body, a lifting frame, a horizontal guide rail, a walking mechanism and two sets of lifting mechanism main bodies, and each lifting mechanism main body comprises a double-shaft gear motor, a synchronous gear, two connecting rotating shafts, two sets of rollers and a mooring rope wound on the rollers; the rollers are connected with the output end of the double-shaft gear motor through the connecting rotating shafts, the connecting rotating shafts are sleeved with the synchronous gears, the two sets of lifting mechanism bodies are symmetrically arranged on the top of the frame body, the synchronous gears of the two sets of lifting mechanism bodies are meshed with each other, and the free ends of four cables in the two sets of lifting mechanisms are connected with the four corners of the lifting frame respectively. As the stress conditions of the four cables are the same, the life expectancy is the same, and the replacement period is unified; the two sets of double-shaft gear motors provide power at the same time, the lifting mechanism is more suitable for lifting large-mass goods, the two sets of lifting mechanism bodies are meshed with each other through synchronous gears, and deflection of the lifting frame is avoided.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of stacker, and more particularly relates to a stacker with a synchronous lifting mechanism. BACKGROUND

[0002] The plate three-dimensional warehouse is mainly used for storage and warehouse management of plates. When the plate three-dimensional warehouse stores plates, a stacker is needed to lift the plates and the pallet to the corresponding height of the storage rack for storage. In actual use, the plates and the pallet are placed on the lifting frame, and the lifting frame is lifted by the lifting mechanism to transport the plates. For plates, the area is large, and in order to prevent the plates from falling, the four corners of the lifting frame need to be lifted synchronously to prevent the lifting frame from tilting and the plates from falling.

[0003] In the prior art, a large-specification steel plate intelligent three-dimensional warehouse is disclosed in Chinese Patent No. CN107826984A. In this scheme, there is a stacker, and the lifting trolley and the carrying trolley are used as lifting frames to lift goods. According to the disclosure of the patent specification and the description of the specification drawings 10 and 11, the lifting frame is lifted by the side lifting mechanism in cooperation with the pulley and the cable. However, since the lifting mechanism is located on the side, the lengths of the left and right cables in the specification drawing 10 are not consistent, and the left cable needs to change direction through an additional pulley, which will cause a slight difference in the stress of the left and right cables and inconsistent wear rates. For heavy goods, after long-term use, one side may be inclined or the service life of the two sides may be inconsistent, resulting in inconsistent replacement cycles of the cables. Moreover, since the lifting mechanism is located at the bottom, an additional length of cable is needed to extend to the top of the entire frame, and the length of the cable used is relatively long. SUMMARY

[0004] To solve the problems of the prior art, the application provides a stacker with a synchronous lifting mechanism, which can lift the lifting frame by four symmetrically distributed cables. The four cables have the same stress and expected service life, the replacement cycle is unified, and the length of the cable used in the stacker is reduced.

[0005] To achieve the above object, the technical scheme of the present application provides a stacking machine with a synchronous lifting mechanism, comprising a frame body, a lifting frame, a horizontal guide rail, a walking mechanism and a lifting mechanism body, the frame body has a vertical guide rail, the lifting frame is slidingly installed on the vertical guide rail, the frame body is installed on the horizontal guide rail through the walking mechanism, the lifting mechanism body comprises a double-shaft reduction motor, a synchronous gear, two connecting shafts, two groups of rollers and two groups of cables, the two output ends of the double-shaft reduction motor are reversely coaxially arranged; the double-shaft reduction motor is fixedly connected to the top of the frame body, the two groups of rollers are respectively connected to the two output ends of the double-shaft reduction motor through one connecting shaft, the synchronous gear is fixedly sleeved on the outside of one of the connecting shafts, the two groups of cables are symmetrically arranged on the outside of the two groups of rollers, the lifting mechanism body has two groups, the two groups of lifting mechanism bodies are symmetrically arranged on both sides of the central axis of the top of the frame body, the synchronous gears of the two groups of lifting mechanism bodies are meshed with each other, and the top of the frame body is provided with a fixed pulley at each corner, and the ends of the four cables in the two groups of lifting mechanisms away from the rollers are respectively wound around one fixed pulley and are fixedly connected to the four corners of the lifting frame.

[0006] The two double-shaft reduction motors drive the four groups of rollers to rotate, the four cables are symmetrically arranged on the top of the frame body, and the four cables are respectively connected to the four corners of the lifting frame, so that the stress conditions of each cable are the same, the expected service life is the same, and the replacement cycle is unified. The two groups of lifting mechanisms have two double-shaft reduction motors to provide power, which is more convenient for providing sufficient power compared with using a single motor to drive. It is suitable for lifting large mass goods. The two groups of lifting mechanism bodies are meshed with each other through the synchronous gears, so that the synchronization of the lifting of the two groups of lifting mechanism bodies can be ensured, and the lifting frame can be prevented from being deflected. In each group of lifting mechanism bodies, compared with using a single-shaft reduction motor to drive the rollers through a single driving shaft, the double-shaft reduction motor can more uniformly transmit power from both sides to the two rollers, and the stress conditions of the two rollers and the two connecting shafts are similar, which can better ensure the consistency of the lifting of the four corners of the lifting frame. At the same time, since the lifting mechanism body is located at the top of the frame body, the cables do not need to be wound around the top from the bottom and then descended to the lifting frame, thereby reducing the length of the cables used in the stacking machine.

[0007] Optionally, the lifting mechanism body further comprises a shaft coupling, a bearing, a bearing seat and a frequency converter, the output end of the double-shaft reduction motor, the connecting shaft and the roller are sequentially connected through the shaft coupling, the roller is rotatably arranged on the frame body through the bearing and the bearing seat, and the frequency converter is connected to the double-shaft reduction motor. The double-shaft reduction motor is controlled by the frequency converter.

[0008] Optionally, the frame body has longitudinal beams at the four corners, the longitudinal beams serve as vertical guide rails, the outer walls of the lifting frame are provided with roller groups corresponding to each longitudinal beam, and each roller group comprises two rollers clamped on the two sides of the corresponding longitudinal beam. The lifting frame clamps the four longitudinal beams through the roller groups and slides along the longitudinal beams, thereby ensuring the stability of the lifting.

[0009] Optionally, the top of the lifting frame is provided with a push-pull mechanism, a driving wheel and a driven wheel, the lifting frame has a delivery edge close to the goods shelf, the driving wheel is located at the delivery edge, the push-pull mechanism comprises a horizontal push-pull cylinder, a vertical plate, a rotating driving mechanism and a sliding seat, the horizontal push-pull cylinder is fixedly installed at the top of the lifting frame, the sliding seat is slidingly installed at the delivery edge of the lifting frame and is fixedly connected with the output end of the horizontal push-pull cylinder, the horizontal push-pull cylinder can drive the sliding seat to extend out of the delivery edge, the rotating driving mechanism is installed at the sliding seat, and the vertical plate is rotatably installed at the edge of the sliding seat away from the horizontal push-pull cylinder through the rotating driving mechanism. The rotating shaft of the vertical plate is eccentrically arranged on the vertical plate, and the extending direction of the rotating shaft of the vertical plate is parallel to the sliding direction of the sliding seat.

[0010] The driving wheel is used to drive the tray to move, and the driven wheel is used to support the tray. When the tray needs to be stored in the goods shelf, the driving wheel drives the tray to enter the goods shelf, but when the tray is separated from the driving wheel, a part of the tray extends out of the goods shelf and does not completely enter the goods shelf. At this time, the sliding seat of the push-pull mechanism extends to drive the vertical plate to push the tray into the goods shelf. When the goods need to be taken out from the goods shelf, the sliding seat of the push-pull mechanism extends, the rotating driving mechanism hooks the tray from the bottom, the horizontal push-pull cylinder drives the vertical plate to pull the tray, and the driving wheel drives the tray to enter the lifting frame. When the stacker moves, the sliding seat is retracted towards the lifting frame, so that interference with the goods shelf can be avoided.

[0011] Optionally, the rotating driving mechanism comprises a swing cylinder, a connecting shaft, a push-pull inner baffle and a rotating shaft, the swing cylinder is hingedly connected with the sliding seat, the extending direction of the output end of the swing cylinder is perpendicular to the sliding direction of the sliding seat, the connecting shaft is laterally arranged at the output end of the swing cylinder and is hingedly connected with the output end of the swing cylinder, the end of the connecting shaft away from the swing cylinder is fixedly connected with the push-pull inner baffle, the rotating shaft is rotatably arranged on the sliding seat, one end of the rotating shaft is fixedly connected with the push-pull inner baffle, and the other end of the rotating shaft is fixedly connected with the rotating shaft of the vertical plate. The connecting position of the connecting shaft and the push-pull inner baffle is eccentrically arranged with the axis of the rotating shaft. The swing cylinder can drive the rotating shaft to rotate through extension and retraction, so that the vertical plate can be erected and tilted. The vertical plate can push the tray when it is erected, and the vertical plate can enter the inside of the tray and be erected again to hook the tray when it is tilted.

[0012] Optionally, the output end of the swing cylinder has a laterally extending through hole, and the end of the connecting shaft away from the push-pull inner baffle is provided with a limiting pin. Through the arrangement, the swing cylinder and the connecting shaft are hingedly connected, and the connecting shaft and the swing cylinder are prevented from being separated.

[0013] Optionally, the top of the sliding seat is provided with a first U-shaped groove extending along the sliding direction of the sliding seat, two mounting plates are fixedly arranged between the opposite side walls of the first U-shaped groove, the two mounting plates are spaced apart from each other, the rotating shaft penetrates through the two mounting plates and can rotate, the swing cylinder is hinged to the bottom wall of the first U-shaped groove, and the outer side of the rotating shaft is fixedly sleeved with two groups of abutting rings, and the two groups of abutting rings are respectively abutted on the side walls of the two mounting plates away from each other. When the tray is pushed and pulled, the force applied by the tray to the vertical plate can be transmitted to the mounting plate and the sliding seat through the abutting ring on the rotating shaft, so as to avoid the force being transmitted to the swing cylinder, improve the cargo loading and unloading capacity, and the two groups of abutting rings clamp the mounting plate, which can further ensure the stability of the rotating shaft.

[0014] Optionally, the top of the lifting frame is provided with a second U-shaped groove, and the sliding seat is slidingly arranged in the second U-shaped groove. The second U-shaped groove limits the sliding of the sliding seat to ensure the stability of the pushing and pulling.

[0015] Optionally, the two ends of the horizontal guide rail are provided with stop blocks, and the two sides of the frame body are provided with buffers arranged opposite to the stop blocks. When the frame body runs to the end of the horizontal guide rail, the buffers contact the stop blocks to slow down the impact.

[0016] Optionally, a ladder is arranged on the side of the frame body, which facilitates the installation and maintenance of the lifting mechanism body by maintenance personnel.

[0017] The technical scheme of the present application has the following beneficial effects over the prior art:

[0018] The four cables in the lifting mechanism body are symmetrically arranged at the top of the frame body, and the free ends of the four cables are respectively connected to the four corners of the lifting frame, so that the stress conditions of each cable are the same, the expected service life is the same, and the replacement cycle is unified. Two groups of double-shaft reduction motors provide power in the two groups of lifting mechanisms, which is more convenient for providing sufficient power compared with using a single motor for driving. It is suitable for lifting large mass goods. The two groups of lifting mechanism bodies are meshed with each other through synchronous gears, which can ensure the synchronization of the lifting of the two groups of lifting mechanism bodies and avoid the deflection of the lifting frame. In each group of lifting mechanism bodies, compared with using a single driving shaft to drive the drum through a single-shaft reduction motor, the double-shaft reduction motor can more uniformly transmit power from both sides to the two drums, and the stress conditions of the two drums and the two connecting shafts are similar, which can better ensure the consistency of the lifting of the four corners of the lifting frame. At the same time, since the lifting mechanism body is located at the top of the frame body, the cable does not need to be wound from the bottom of the frame body to the top and then descended to the lifting frame, thereby reducing the length of the cable used in the stacker. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0020] Figure 1 The whole structure schematic diagram of the stacker with synchronous lifting mechanism;

[0021] Figure 2 The main structure schematic diagram of two groups of lifting mechanisms;

[0022] Figure 3 The lifting frame structure schematic diagram;

[0023] Figure 4 The push-pull mechanism structure schematic diagram;

[0024] Figure 5 The push-pull mechanism structure schematic diagram when the vertical plate is tilted;

[0025] Figure 6 The rotating drive mechanism structure schematic diagram.

[0026] Icon: 100, tray; 1, frame body; 101, vertical guide rail; 102, fixed pulley; 103, buffer; 104, ladder; 2, lifting frame; 201, roller; 202, driving wheel; 203, driven wheel; 204, delivery edge; 3, horizontal guide rail; 301, stop block; 4, walking mechanism; 5, lifting mechanism body; 501, double-shaft reduction motor; 502, synchronous gear; 503, connecting shaft; 504, roller; 505, cable; 506, coupling; 507, bearing seat; 508, frequency converter; 6, push-pull mechanism; 601, horizontal push-pull cylinder; 602, vertical plate; 603, sliding seat; 604, swing cylinder; 605, connecting shaft; 606, push-pull inner baffle; 607, rotating shaft; 608, through hole; 609, limiting bolt; 610, first U-shaped groove; 611, mounting plate; 612, abutting ring; 613, second U-shaped groove. DETAILED DESCRIPTION

[0027] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0028] Embodiment:

[0029] The present embodiment provides a stacker with a synchronous lifting mechanism, which is based on Figure 1and Figure 2 As shown, it comprises a frame body 1, a lifting frame 2, horizontal guide rails 3, a walking mechanism 4 and a lifting mechanism body 5. The frame body 1 has vertical guide rails 101, the lifting frame 2 is slidingly installed on the vertical guide rails 101, and the frame body 1 is installed on the horizontal guide rails 3 through the walking mechanism 4. The lifting frame 2 is used to carry a goods pallet 100. The stacker moves along the horizontal guide rails 3 in the transverse direction through the walking mechanism 4, and drives the lifting frame 2 to slide vertically through the lifting mechanism body 5, so as to align the lifting frame 2 to the corresponding goods location of the goods shelf. In this embodiment, the horizontal guide rails 3 have two groups to ensure the stability of the stacker. The walking mechanism 4 is the mechanism used to drive the movement of the stacker in the existing stacker, which is a prior art and will not be described in detail. The lifting mechanism body 5 comprises a double-shaft reduction motor 501, a synchronous gear 502, two connecting shafts 503, two groups of rollers 504 and two groups of cables 505. The two output ends of the double-shaft reduction motor 501 are reversely coaxially arranged. The double-shaft reduction motor 501 is fixedly connected to the top of the frame body 1. The two groups of rollers 504 are respectively connected to the two output ends of the double-shaft reduction motor 501 through one connecting shaft 503. The synchronous gear 502 is fixedly sleeved on the outside of one of the connecting shafts 503. The two groups of cables 505 are respectively wound on the outside of the two groups of rollers 504 in the same direction. The double-shaft reduction motor 501 can synchronously drive the rollers 504 to rotate, so as to drive the cables 505 to be wound and unwound. The lifting mechanism body 5 has two groups, and the two groups of lifting mechanism bodies 5 are symmetrically arranged on both sides of the central axis of the top of the frame body 1. The synchronous gears 502 of the two groups of lifting mechanism bodies 5 are meshed with each other. The top end of the frame body 1 is provided with a fixed pulley 102 at each corner. The ends of the four cables 505 of the two groups of lifting mechanisms away from the rollers 504 are respectively wound around one fixed pulley 102 and are respectively fixedly connected to the four corners of the lifting frame 2. The lifting mechanism body 5 further comprises a shaft coupling 506, a bearing (not shown in the figure), a bearing seat 507 and a frequency converter 508. The output end of the double-shaft reduction motor 501, the connecting shaft 503 and the roller 504 are sequentially connected through the shaft coupling 506. The roller 504 is rotatably arranged on the frame body 1 through the bearing and the bearing seat 507. The frequency converter 508 is connected to the double-shaft reduction motor 501. The double-shaft reduction motor 501 is controlled by the frequency converter 508.

[0030] Two double-shaft reduction motors 501 drive four groups of rollers 504 to rotate synchronously. Four cable ropes 505 are symmetrically arranged on the top of the frame body 1 and connected to the four corners of the lifting frame 2. The length and stress of each cable rope 505 are the same, and the expected service life is the same, so the replacement cycle is unified. Two double-shaft reduction motors 501 in the two lifting mechanisms provide power. Compared with a single motor drive, it is more convenient to provide sufficient power, which is suitable for lifting heavy goods. The two lifting mechanism bodies 5 are meshed with each other through the synchronous gear 502, which can ensure the synchronization of the lifting of the two lifting mechanism bodies 5 and avoid the inclination of the lifting frame 2 caused by the speed deviation of the two double-shaft reduction motors 501. In each lifting mechanism body 5, compared with a single-shaft reduction motor driving the roller 504 through a single drive shaft, the double-shaft reduction motor 501 can more evenly transmit power to the two rollers 504 from both sides. The stress of the two rollers 504 and the two connecting shafts 503 is similar, which can better ensure the consistency of the lifting of the four corners of the lifting frame 2. At the same time, since the lifting mechanism body 5 is located at the top of the frame body 1, the cable rope 505 does not need to be wound from the bottom of the frame body 1 to the top and then lowered to the lifting frame 2, reducing the length of the cable rope 505 used in the stacker.

[0031] Further, the frame body 1 has longitudinal beams at the four corners, which serve as vertical rails 101. The outer side walls of the lifting frame 2 are provided with roller groups corresponding to each longitudinal beam. Each roller group includes two rollers 201 clamped on both sides of the corresponding longitudinal beam. At this time, the vertical rails 101 serve as both the track for lifting the lifting frame 2 and the support structure of the frame body 1. The lifting frame 2 clamps the four longitudinal beams through the roller groups and slides along the longitudinal beams, ensuring the stability of the lifting.

[0032] Further, based on Figure 1 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the top of the lifting frame 2 is provided with a push-pull mechanism 6, a driving wheel 202 and a driven wheel 203. The lifting frame 2 has a delivery edge 204 near the shelf. The driving wheel 202 is located at the delivery edge 204. The delivery edge 204 is the edge of the pallet 100 entering and exiting the shelf. The driving wheel 202 is used to move the pallet 100, and the driven wheel 203 is used to support the pallet 100. When the pallet 100 needs to be stored in the shelf, the driving wheel 202 drives the pallet 100 into the shelf. However, when the pallet 100 is separated from the driving wheel 202, a part of it extends out of the shelf and has not completely entered the shelf. The push-pull mechanism 6 is needed to push the pallet 100 into the shelf. When the pallet 100 is taken out of the shelf, the push-pull mechanism 6 is also needed to pull the pallet 100 out of the shelf and make it contact with the driving wheel 202, and then the driving wheel 202 drives the pallet 100 into the lifting frame 2.

[0033] In detail, the push-pull mechanism 6 comprises a horizontal push-pull cylinder 601, a vertical plate 602, a rotating driving mechanism and a sliding seat 603. The horizontal push-pull cylinder 601 is fixedly installed on the top of the lifting frame 2, the sliding seat 603 is slidingly installed on the delivery edge 204 of the lifting frame 2 and is fixedly connected with the output end of the horizontal push-pull cylinder 601, and the horizontal push-pull cylinder 601 can drive the sliding seat 603 to extend out of the delivery edge 204. The rotating driving mechanism is installed on the sliding seat 603, and the vertical plate 602 is rotatably installed on the edge of the sliding seat 603 away from the horizontal push-pull cylinder 601 through the rotating driving mechanism. The rotating shaft of the vertical plate 602 is eccentrically arranged on the vertical plate 602, and the extending direction of the rotating shaft of the vertical plate 602 is parallel to the sliding direction of the sliding seat 603. The rotating driving mechanism can drive the vertical plate 602 to rotate, so that the vertical plate 602 stands up or falls down.

[0034] When it is needed to push the tray 100 into the shelf, the rotating driving mechanism drives the vertical plate 602 to stand up, the horizontal push-pull cylinder 601 pushes the sliding seat 603 to make the vertical plate 602 abut to the tray 100, and the tray 100 is pushed to completely enter the shelf. When it is needed to pull the tray 100 out of the shelf, the rotating driving mechanism drives the vertical plate 602 to fall down, the horizontal push-pull cylinder 601 pushes the sliding seat 603 to make the vertical plate 602 extend into the inside of the tray 100, and then the vertical plate 602 is stood up by the rotating driving mechanism. The vertical plate 602 is rotated to hook the inside of the tray 100, the horizontal push-pull cylinder 601 pulls the vertical plate 602 to pull the tray 100 out and make the tray 100 contact with the driving wheel 202. The driving wheel 202 drives the tray 100 to enter the lifting frame 2. When the stacker moves, the sliding seat 603 is retracted to the direction of the lifting frame 2, so that the interference with the shelf can be avoided.

[0035] The rotating driving mechanism comprises a swing cylinder 604, a connecting shaft 605, a push-pull inner baffle 606 and a rotating shaft 607. The swing cylinder 604 is hinged to the sliding seat 603, and the extension direction of the output end of the swing cylinder 604 is perpendicular to the sliding direction of the sliding seat 603. The connecting shaft 605 is arranged in the output end of the swing cylinder 604 in a lateral extension mode and is hinged to the output end of the swing cylinder 604. The end of the connecting shaft 605 away from the swing cylinder 604 is fixedly connected to the push-pull inner baffle 606. The rotating shaft 607 is rotatably arranged on the sliding seat 603. One end of the rotating shaft 607 is fixedly connected to the push-pull inner baffle 606, and the other end of the rotating shaft 607 is fixedly connected to the rotating shaft center of the vertical plate 602. The connecting position of the connecting shaft 605 and the push-pull inner baffle 606 is arranged eccentrically to the axis of the rotating shaft 607. The connecting shaft 605, the push-pull inner baffle 606 and the rotating shaft 607 are combined into a Z-shaped structure. In use, the output end of the swing cylinder 604 can drive the connecting shaft 605 to rotate around the rotating shaft 607 through extension. The connecting shaft 605 drives the rotating shaft 607 to rotate through the push-pull inner baffle 606, so as to realize the standing and dumping of the vertical plate 602. Since the swing cylinder 604 is hinged to the sliding seat 603, the connecting shaft 605 can be prevented from being stuck when rotating around the rotating shaft 607. When the vertical plate 602 stands, the vertical plate 602 can push the tray 100. When the vertical plate 602 dumps, the vertical plate 602 can enter the inside of the tray 100 and stand again to hook the tray 100.

[0036] The output end of the swing cylinder 604 has a lateral extension through hole 608. The end of the connecting shaft 605 away from the push-pull inner baffle 606 is arranged through the through hole 608 and a limiting pin 609. Through the arrangement, the output end of the swing cylinder 604 is hinged to the connecting shaft 605, and the connecting shaft 605 is prevented from being separated from the swing cylinder 604.

[0037] Further, the top of the sliding seat 603 is provided with a first U-shaped groove 610 extending along the sliding direction of the sliding seat 603. Two mounting plates 611 are fixedly arranged between the opposite side walls of the first U-shaped groove 610. The rotating shaft 607 is arranged through the two mounting plates 611 and can rotate. The swing cylinder 604 is hinged to the bottom wall of the first U-shaped groove 610. The outer side of the rotating shaft 607 is fixedly sleeved with two groups of abutting rings 612, which are respectively abutted on the side walls of the two mounting plates 611 away from each other. When the tray 100 is pushed and pulled, the force applied by the tray 100 to the vertical plate 602 can be transmitted to the mounting plates 611 and the sliding seat 603 through the abutting rings 612 on the rotating shaft 607, so as to prevent the force from being transmitted to the swing cylinder 604, improve the cargo loading and unloading capacity, and clamp the mounting plates 611 by the two groups of abutting rings 612, so as to further ensure the stability of the rotating shaft 607. At the same time, the top of the lifting frame 2 is provided with a second U-shaped groove 613, and the sliding seat 603 is slidingly arranged in the second U-shaped groove 613. The second U-shaped groove 613 limits the sliding of the sliding seat 603, so as to ensure the stability of the pushing and pulling.

[0038] In the embodiment, the horizontal guide rail 3 is provided with a stopper 301 at both ends, and the frame body 1 is provided with a buffer 103 opposite to the stopper 301 at both sides. When the frame body 1 runs to the end of the horizontal guide rail 3, the buffer 103 contacts the stopper 301 to slow down the impact. At the same time, the frame body 1 is provided with a ladder 104 at the side, which is convenient for the maintenance personnel to install and maintain the lifting mechanism body 5.

[0039] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A stacker with synchronous lifting mechanism, comprising a frame body, a lifting frame, a horizontal guide rail, a walking mechanism and a lifting mechanism body, the frame body has a vertical guide rail, the lifting frame is slidingly installed on the vertical guide rail, the frame body is installed on the horizontal guide rail through the walking mechanism, characterized in that: the lifting mechanism body comprises a double-shaft reduction motor, a synchronous gear, two connecting shafts, two groups of rollers and two groups of cables, the two output ends of the double-shaft reduction motor are reversely coaxially arranged, the double-shaft reduction motor is fixedly connected with the top of the frame body, two groups of the rollers are respectively connected with the two output ends of the double-shaft reduction motor through one of the connecting shafts, the synchronous gear is fixedly sleeved on the outside of one of the connecting shafts, two groups of the cables are respectively arranged on the outside of two groups of the rollers in the same direction, the lifting mechanism body has two groups, two groups of the lifting mechanism body are symmetrically arranged on both sides of the central axis of the top of the frame body, the synchronous gears of two groups of the lifting mechanism body are meshed with each other, the top corners of the frame body are all provided with fixed pulleys, the ends of four cables in two groups of the lifting mechanism away from the rollers are respectively wound around one of the fixed pulleys and are respectively fixedly connected with the four corners of the lifting frame.

2. The stacker with a synchronous lifting mechanism according to claim 1, characterized in that: the lifting mechanism body further comprises a shaft coupling, a bearing, a bearing seat and a frequency converter, the output end of the double-shaft reduction motor, the connecting shaft and the roller are sequentially connected through the shaft coupling, the roller is rotatably arranged on the frame body through the bearing and the bearing seat, and the frequency converter is connected with the double-shaft reduction motor.

3. The stacker with a synchronous lifting mechanism according to claim 1, characterized in that: the frame body has longitudinal beams at four corners, the longitudinal beams serve as the vertical guide rails, the outer side walls of the lifting frame are provided with roller groups corresponding to each of the longitudinal beams, and each of the roller groups comprises two rollers clamped on the two sides of the corresponding longitudinal beam.

4. A stacker with a synchronous lifting mechanism as claimed in claim 1 or 2 or 3, characterized in that: a push-pull mechanism, a driving wheel and a driven wheel are mounted on the top of the lifting frame, the lifting frame has a delivery edge close to a goods shelf, the driving wheel is located on the delivery edge, the push-pull mechanism comprises a horizontal push-pull cylinder, a vertical plate, a rotary driving mechanism and a sliding seat, the horizontal push-pull cylinder is fixedly installed on the top of the lifting frame, the sliding seat is slidingly installed on the delivery edge of the lifting frame and is fixedly connected with the output end of the horizontal push-pull cylinder, the horizontal push-pull cylinder can drive the sliding seat to extend out of the delivery edge, the rotary driving mechanism is installed on the sliding seat, the vertical plate is rotatably installed on the edge of the sliding seat away from the horizontal push-pull cylinder through the rotary driving mechanism, the rotating shaft of the vertical plate is eccentrically arranged on the vertical plate, and the extending direction of the rotating shaft of the vertical plate is parallel to the sliding direction of the sliding seat.

5. The stacker with a synchronous lifting mechanism according to claim 4, characterized in that: The rotating driving mechanism comprises a swing cylinder, a connecting shaft, a push-pull inner baffle and a rotating shaft, the swing cylinder is hinged to the sliding seat, the extension direction of the output end of the swing cylinder is perpendicular to the sliding direction of the sliding seat, the connecting shaft is arranged at the output end of the swing cylinder in a lateral extension mode and is hinged to the output end of the swing cylinder, the end of the connecting shaft away from the swing cylinder is fixedly connected with the push-pull inner baffle, the rotating shaft is rotatably arranged on the sliding seat, one end of the rotating shaft is fixedly connected with the push-pull inner baffle, the other end of the rotating shaft is fixedly connected with the rotating shaft center of the vertical plate, and the connecting position of the connecting shaft and the push-pull inner baffle is eccentrically arranged with respect to the axis of the rotating shaft.

6. The stacker with a synchronous lifting mechanism according to claim 5, characterized in that: The output end of the swing cylinder is provided with a lateral extension through hole, and the end of the connecting shaft away from the push-pull inner baffle is arranged through the through hole and a limiting pin.

7. The stacker with a synchronous lifting mechanism according to claim 5, characterized in that: The top of the sliding seat is provided with a first U-shaped groove extending along the sliding direction of the sliding seat, two mounting plates are fixedly arranged on the opposite side walls of the first U-shaped groove, the two mounting plates are arranged in a spaced mode, the rotating shaft is arranged through the two mounting plates and can rotate, the swing cylinder is hinged to the bottom wall of the first U-shaped groove, and two groups of abutting rings are fixedly arranged on the outer side of the rotating shaft and abut against the side walls of the two mounting plates away from each other.

8. The stacker with a synchronous lifting mechanism according to claim 4, characterized in that: The top of the lifting frame is provided with a second U-shaped groove, and the sliding seat is slidingly arranged in the second U-shaped groove.

9. The stacker with synchronous lifting mechanism as claimed in claim 1 or 2 or 3, wherein: The horizontal guide rail is provided with a stop block at each end, and the frame body is provided with a bumper arranged opposite to the stop block at each side.

10. The stacker with synchronous lifting mechanism as claimed in claim 1 or 2 or 3 wherein: The frame body is provided with a ladder on the side.

Images