Tray one-way non-return positioning device for tray conveyor

Abstract

The utility model discloses a tray one-way non-return positioning device used on a tray conveyor, and relates to the technical field of conveyors, the tray one-way non-return positioning device comprises a rack, the front surface and the back surface of the rack are both fixedly connected with two first fixing plates, the front surfaces of the two first fixing plates located at the front side of the four first fixing plates are both provided with first servo motors, and the front surfaces of the two first fixing plates located at the back side of the four first fixing plates are both provided with second servo motors; the output shaft end of each first servo motor is fixedly connected with a first bevel gear, two rotating rods rotationally connected with the first fixing plates at the corresponding positions are arranged outside the rack, and the outer surface of each rotating rod is fixedly connected with a second bevel gear and two transmission rollers. According to the utility model, workpieces can be conveyed by virtue of the workpiece tray above the conveying track, the workpiece tray crossing the blocking frame can be automatically blocked, a pure mechanical structure is adopted for connection, the one-way non-return positioning effect can be realized without external energy power, and meanwhile, the one-way non-return positioning device has the advantages of long service life and low production cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of conveyer, concretely is a one-way check positioning device for tray conveyer. BACKGROUND

[0002] The conveyer is a device for conveying objects, which has the advantages of high efficiency and labor saving, and is often used in industrial and agricultural production fields. Conveyers can be divided into integrated conveying machines, belt conveyers, screw conveyers, bucket elevators, drum conveyers, plate chain conveyers, mesh belt conveyers and chain conveyers according to their operation modes. In the industrial field, trays are often used as carriers for the conveying of some objects and placed on roller conveyers to achieve the conveying of objects.

[0003] With the industrial automation and intelligent production, the use of logistics equipment conveyers is increasing, and the positioning accuracy of goods on the conveying line is also increasing.

[0004] The existing tray positioning method of the tray conveyer generally uses a detection sensor detection method. For example, the existing patent with the patent number CN216996514U uses an inductive element (an inductive element is a proximity switch or a photoelectric sensor) to inductively position the tray. However, the sensor device structure is complex and requires external power supply. Therefore, we provide a one-way check positioning device for tray conveyer to solve the above problems. Utility model content

[0005] The utility model aims to make up for the shortcomings of the prior art and provides a one-way check positioning device for tray conveyer.

[0006] To achieve the above object, the utility model provides the following technical scheme: the tray one -way check positioning device for tray conveyor, including frame, the front and back of frame are all fixedly connected with two first fixed plate, the front of two first fixed plate of four first fixed plate is all installed with first servo motor, the output shaft end of every first servo motor is all fixedly connected with first bevel gear, the outside of frame is provided with two rotating rods of rotation connection with the first fixed plate at the corresponding position, the outer surface of every rotating rod is all fixedly connected with second bevel gear and two transmission rolls, and first bevel gear is engaged with second bevel gear, the outside of frame is provided with two transmission belts of drive connection with the transmission roll at the corresponding position, the outside of frame is provided with the check assembly for tray one -way check positioning, and the check assembly includes fixed block, blocking frame, fixed rod and torsion spring, blocking frame is rotationally connected with fixed block through fixed rod, the rigidity coefficient of torsion spring is 10-15N.mm / degree, the front and back of frame are all fixedly connected with two second fixed plate, and second servo motor is installed on second fixed plate, and the output shaft of second servo motor is connected two -way threaded rod, and the adjustment stroke of two -way threaded rod is 50-100mm, and the outside of frame is provided with blocking plate, and blocking plate is screw -threaded with two -way threaded rod, and the outside of frame is provided with guide rod, and guide rod is slidingly connected with blocking plate, and the bottom surface of frame is screw -threaded with four leveling foot props.

[0007] Further, the inclination angle of the blocking frame is 30°-45°, so as to optimize the blocking effect, and the inclination angle range of the blocking frame is limited, so that the tray is better blocked.

[0008] Further, the fixed block is fixedly connected with the frame, the fixed rod is fixed to the inner wall of the fixed block, the torsion spring is sleeved on the outer surface of the fixed rod, and the two ends of the torsion spring are fixed with the fixed block and the blocking frame respectively, and the connection mode between the components in the check assembly is limited, so as to ensure the tray check effect.

[0009] Further, the inner wall of each first fixed plate is embedded with a first bearing, and the inner ring of the first bearing is fixedly connected with the outer surface of the rotating rod, the first bearing is arranged, the rotating rod can rotate more stably, and the resistance of the rotating rod in rotation is reduced, so that the jamming and swinging of the rotating rod in use are avoided.

[0010] Further, the inner wall of the blocking frame is embedded with two second bearings, and the inner ring of the second bearing is fixedly connected with the outer surface of the fixed rod, the second bearing is arranged, the blocking frame can rotate more stably, and the resistance of the blocking frame in rotation is reduced, so that the jamming and swinging of the blocking frame in use are avoided.

[0011] Further, the inner wall of each second fixed plate is inlaid with a third bearing, and the inner ring of the third bearing is fixedly connected with the outer surface of the bidirectional threaded rod. By arranging the third bearing, the bidirectional threaded rod can rotate more stably, and the resistance of the bidirectional threaded rod during rotation is reduced, so that the jamming and swinging of the bidirectional threaded rod during use is avoided.

[0012] Further, the outer surface of each leveling foot support is provided with a mounting hole. By arranging the leveling foot support, the fixing bolt is passed through the reserved hole and screwed into the hole of the device mounting position, so that the stability of the device during use is improved.

[0013] Compared with the prior art, the tray one-way non-return positioning device for the tray conveyor has the following beneficial effects:

[0014] 1. The utility model can rely on the workpiece tray above the conveying track to convey workpieces, and can automatically block the workpiece tray that crosses the blocking frame. The pure mechanical structure is adopted for connection, and the one-way non-return positioning effect can be realized without external energy power. The utility model has the advantages of long service life and low production cost.

[0015] 2. The first bearing is arranged, the rotating rod can rotate more stably, and the resistance of the rotating rod during rotation is reduced, so that the jamming and swinging of the rotating rod during use is avoided. The second bearing is arranged, the blocking frame can rotate more stably, and the resistance of the blocking frame during rotation is reduced, so that the jamming and swinging of the blocking frame during use is avoided. The third bearing is arranged, the bidirectional threaded rod can rotate more stably, and the resistance of the bidirectional threaded rod during rotation is reduced, so that the jamming and swinging of the bidirectional threaded rod during use is avoided. The mounting hole is arranged, and the stability of the tray one-way non-return positioning device during use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a right view schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 3 It is a partial structure schematic diagram of the utility model Figure 1 ;

[0019] Figure 4 It is a partial structure schematic diagram of the utility model

[0020] Figure 5 It is a partial structure schematic diagram of the utility model Figure 2 .

[0021] In the figure: 1, rack; 2, first fixed plate; 3, first servo motor; 4, first bevel gear; 5, rotating rod; 6, second bevel gear; 7, transmission roller; 8, transmission belt; 901, fixed block; 902, blocking frame; 903, fixed rod; 904, torsional spring; 10, first bearing; 11, second bearing; 12, second fixed plate; 13, second servo motor; 14, two-way threaded rod; 15, blocking plate; 16, guide rod; 17, leveling foot prop; 18, third bearing. DETAILED DESCRIPTION

[0022] The principles and features of the present application are described below in conjunction with the accompanying drawings, and the examples are only used to explain the present application and are not intended to limit the scope of the present application.

[0023] As described in the background, the tray positioning method of the existing tray conveyor generally adopts the method of detecting sensor detection, but the sensor device structure is complex and needs external power supply, therefore, the present embodiment provides a tray one-way non-return positioning device for a tray conveyor.

[0024] Referring to Figures 1 to 5 The present embodiment provides a tray one-way non-return positioning device for a tray conveyor, which comprises a rack 1, the front and back of the rack 1 are fixedly connected with two first fixed plates 2, the front of two first fixed plates 2 located at the front side among the four first fixed plates 2 are each provided with a first servo motor 3, the output shaft end of each first servo motor 3 is fixedly connected with a first bevel gear 4, and the outside of the rack 1 is provided with two rotating rods 5 rotatably connected with the corresponding first fixed plates 2.

[0025] The inner wall of each first fixed plate 2 is inlaid with a first bearing 10, and the inner ring of the first bearing 10 is fixedly connected with the outer surface of the rotating rod 5, by arranging the first bearing 10, the rotating rod 5 can rotate more stably, and the resistance of the rotating rod 5 during rotation is reduced, so as to avoid the jamming and swinging of the rotating rod 5 during use.

[0026] The outer surface of each rotating rod 5 is fixedly connected with a second bevel gear 6 and two transmission rollers 7, and the first bevel gear 4 is engaged with the second bevel gear 6, and the outside of the rack 1 is provided with two transmission belts 8 drivingly connected with the corresponding transmission rollers 7.

[0027] The first servo motor 3 is connected to the power supply and started, which can drive the first bevel gear 4 to rotate, and drive the second bevel gear 6 to rotate through the meshing action between the first bevel gear 4 and the second bevel gear 6, and then drive the transmission roller 7 to rotate through the rotating rod 5, and drive the workpiece tray placed on the transmission belt 8 to move under the driving action, so as to realize the conveying of the workpiece.

[0028] The bottom surface of the rack 1 is threadedly connected with four leveling feet 17, an installation hole is formed in the outer surface of each leveling feet 17, through the setting of the leveling feet 17, the tray one-way non-return positioning device used on the tray conveying machine can be conveniently leveled, and the fixing bolt is passed through the reserved hole and screwed into the hole formed in the device installation position, so that the stability of the device during use can be improved.

[0029] The rack 1 is externally provided with a check assembly for tray one-way non-return positioning, the check assembly comprises a fixed block 901, a blocking frame 902, a fixed rod 903 and a torsional spring 904, the blocking frame 902 is rotationally connected with the fixed block 901 through the fixed rod 903, the rigidity coefficient of the torsional spring 904 is 10-15 N·mm / °, and the inclination angle of the blocking frame 902 is 30°-45°, so as to optimize the blocking effect.

[0030] The fixed block 901 is fixedly connected with the rack 1, the fixed rod 903 is fixed to the inner wall of the fixed block 901, and the torsional spring 904 is sleeved on the outer surface of the fixed rod 903, and the two ends of the torsional spring 904 are fixed with the fixed block 901 and the blocking frame 902 respectively.

[0031] The highest point of the blocking frame 902 is much higher than the plane of the transmission belt 8, so that after the workpiece tray moves to contact the blocking frame 902, the blocking frame 902 can be continuously extruded to rotate along the outer surface of the fixed rod 903 and drive the torsional spring 904 to rotate with the center of the spring, and then after the workpiece tray moves to not contact the blocking frame 902, under the gravity of the blocking frame 902 itself and the resetting action of the torsional spring 904, the blocking frame 902 can be driven to rotate back to the initial position, so as to block the workpiece tray that has passed the blocking frame 902, thereby realizing the effect of one-way non-return positioning.

[0032] The inner wall of the blocking frame 902 is inlaid with two second bearings 11, and the inner ring of the second bearing 11 is fixedly connected with the outer surface of the fixed rod 903, through the setting of the second bearing 11, the blocking frame 902 can rotate more stably and the resistance of the blocking frame 902 during rotation can be reduced, so as to avoid the jamming and swinging of the blocking frame 902 during use.

[0033] The front surface and the back surface of the rack 1 are fixedly connected with two second fixed plates 12, the second fixed plates 12 are installed with second servo motors 13, the output shaft of the second servo motor 13 is connected with a bidirectional threaded rod 14, the adjustment stroke of the bidirectional threaded rod 14 is 50-100 mm, the outer surface of the rack 1 is provided with a blocking plate 15, and the blocking plate 15 is threadedly connected with the bidirectional threaded rod 14.

[0034] The second servo motor 13 is powered on and started, can drive the bidirectional threaded rod 14 to rotate, thereby driving the two blocking plates 15 to move synchronously close or away, so as to adjust the distance between the two blocking plates 15 according to the size of the workpiece tray, and then limit the workpiece tray, so as to prevent the workpiece tray from sliding or even falling off the transmission belt 8.

[0035] The guide rod 16 is arranged outside the rack 1 and is in sliding connection with the blocking plate 15, and the guide rod 16 can guide the movement of the blocking plate 15, thereby improving the stability of the blocking plate 15 during movement.

[0036] In addition, the outer surface of the guide rod 16 can be polished and polished, and is coated with lubricating oil, which can reduce the resistance of the blocking plate 15 sliding on the outer surface of the guide rod 16, thereby avoiding the jamming of the movement of the blocking plate 15.

[0037] The inner wall of each second fixed plate 12 is embedded with a third bearing 18, and the inner ring of the third bearing 18 is fixedly connected with the outer surface of the bidirectional threaded rod 14, and the third bearing 18 can make the bidirectional threaded rod 14 rotate more stably and reduce the resistance of the bidirectional threaded rod 14 during rotation, thereby avoiding the jamming and swinging of the bidirectional threaded rod 14 during use.

[0038] In addition, the first bearing 10, the second bearing 11 and the third bearing 18 can be coated with lubricating oil between the inner and outer rings after being used for a period of time, so as to ensure normal lubrication during rotation and reduce friction and wear, thereby prolonging the service life.

[0039] The one-way check positioning accuracy of the check assembly in the utility model is ±1mm, the service life exceeds 100,000 cycles, and the adjustment error of the bidirectional threaded rod 14 is less than 0.5mm.

[0040] The control switch matched with each electrical element is provided, and the specific installation position of the control switch can be selected according to actual use requirements, and the operation personnel can operate and control.

[0041] The components in the drawings of the utility model are only used for reference, and the specific size is determined according to the actual production requirements, and the material quality of each component can be replaced according to actual needs.

[0042] Each electrical element in the utility model is a conventional device known to those skilled in the art and can be selected or customized according to actual needs, and the setting method, installation method and electrical connection method can be debugged and operated according to the requirements of the instruction manual, and details are not repeated here.

[0043] Working principle: when using the tray unidirectional check positioning device for tray conveyor, the first servo motor 3 can be powered on and started, which can drive the first bevel gear 4 to rotate, and through the meshing action between the first bevel gear 4 and the second bevel gear 6, the second bevel gear 6 is driven to rotate, and then the transmission roller 7 is driven to rotate through the rotating rod 5, and the workpiece tray placed on the transmission belt 8 is moved under the transmission action, so as to realize the conveying of the workpiece, and after the workpiece tray moves to contact the blocking frame 902, the blocking frame 902 is extruded, which rotates along the outer surface of the fixed rod 903, and drives the torsional spring 904 to rotate around the spring center, and then after the workpiece tray moves to not contact the blocking frame 902, under the gravity of the blocking frame 902 itself and the reset action of the torsional spring 904, the blocking frame 902 can be rotated back to the initial position, so as to block the workpiece tray that passes through the blocking frame 902, so as to realize the effect of unidirectional check positioning.

Claims

1. A unidirectional non-return positioning device for pallets on a pallet conveyor, comprising a frame (1), characterised in that: The front and back of the rack (1) are fixedly connected with two first fixed plates (2), the front of two first fixed plates (2) located at the front side of the four first fixed plates (2) are both provided with a first servo motor (3), the output shaft end of each first servo motor (3) is fixedly connected with a first bevel gear (4), the outside of the rack (1) is provided with two rotating rods (5) rotatably connected with the first fixed plates (2) at the corresponding positions, the outer surface of each rotating rod (5) is fixedly connected with a second bevel gear (6) and two transmission rollers (7), and the first bevel gear (4) is engaged with the second bevel gear (6), the outside of the rack (1) is provided with two transmission belts (8) drivingly connected with the transmission rollers (7) at the corresponding positions; The outside of the rack (1) is provided with a check assembly for one-way check positioning of the tray, the check assembly comprises a fixed block (901), a blocking frame (902), a fixed rod (903) and a torsional spring (904), the blocking frame (902) is rotatably connected with the fixed block (901) through the fixed rod (903), the rigidity coefficient of the torsional spring (904) is 10-15 N·mm / °, the front and back of the rack (1) are fixedly connected with two second fixed plates (12), the second fixed plate (12) is provided with a second servo motor (13), the output shaft of the second servo motor (13) is connected with a bidirectional threaded rod (14), the adjustment stroke of the bidirectional threaded rod (14) is 50-100 mm, the outside of the rack (1) is provided with a blocking plate (15), and the blocking plate (15) is threadedly connected with the bidirectional threaded rod (14), the outside of the rack (1) is provided with a guide rod (16), and the guide rod (16) is slidingly connected with the blocking plate (15), and the bottom surface of the rack (1) is threadedly connected with four leveling foot supports (17).

2. A one-way non-return positioning device for pallets on a pallet conveyor according to claim 1, characterized in that: The inclination angle of the blocking frame (902) is 30°-45°, so as to optimize the blocking effect.

3. A one-way non-return positioning device for pallets on a pallet conveyor according to claim 1, characterized in that: The fixed block (901) is fixedly connected with the rack (1), the fixed rod (903) is fixed to the inner wall of the fixed block (901), the torsional spring (904) is sleeved on the outer surface of the fixed rod (903), and the two ends of the torsional spring (904) are fixed with the fixed block (901) and the blocking frame (902) respectively.

4. A one-way non-return positioning device for pallets on a pallet conveyor according to claim 1, characterized in that: The inner wall of each first fixed plate (2) is embedded with a first bearing (10), and the inner ring of the first bearing (10) is fixedly connected with the outer surface of the rotating rod (5).

5. A one-way non-return positioning device for pallets on a pallet conveyor according to claim 1, characterized in that: The inner wall of the blocking frame (902) is embedded with two second bearings (11), and the inner ring of the second bearing (11) is fixedly connected with the outer surface of the fixed rod (903).

6. A one-way non-return positioning device for pallets on a pallet conveyor according to claim 1, characterized in that: The inner wall of each second fixed plate (12) is embedded with a third bearing (18), and the inner ring of the third bearing (18) is fixedly connected with the outer surface of the bidirectional threaded rod (14).

7. A one-way non-return positioning device for pallets on a pallet conveyor according to claim 1, characterized in that: The outer surface of each leveling foot support (17) is provided with a mounting hole.

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