Double-station feeding mechanism

Abstract

The utility model discloses a double-station feeding mechanism which is reasonable in design, does not need to be shut down to supplement materials and improves production safety. The feeding device comprises a conveying line, skip car positioning and jacking devices and movable skip cars adaptively placed in the skip car positioning and jacking devices are symmetrically arranged on the two sides of the front end of the conveying line, and material plates are stacked in the movable skip cars. The skip car positioning and jacking devices are used for positioning the feeding position of the movable skip car and jacking stacked material plates, and a feeding gripper assembly is arranged above the position between the two skip car positioning and jacking devices. The feeding gripper assembly is used for grabbing material plates from the movable skip car on the left side or the movable skip car on the right side and placing the material plates on a power conveying line. The feeding mechanism is applied to the technical field of feeding mechanisms.

Description

Technical Field

[0001] The utility model relates to a feeding mechanism, in particular to a double-station feeding mechanism. Background Art

[0002] At present, all products need to be loaded during production and processing. Traditional loading is done manually or by robots. For example, in the existing production and processing of material plates, they are generally loaded one by one to the conveyor line manually. This loading efficiency is low and the labor cost is high. At present, the material plates are manually stacked in the silo, and then the materials are taken one by one to the conveyor line by robots. Although this method has high loading efficiency, when the material plates in the silo are taken out, the machine needs to be stopped for manual refilling, and the workers need to refill in the production area, which poses certain production safety risks. If a loading mechanism that can be mobile and does not require shutdown can be developed, the above problems can be well solved. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a double-station feeding mechanism with reasonable design, no need to stop the machine for feeding and improved production safety.

[0004] The technical solution adopted by the utility model is: the utility model includes a conveyor line, and a material cart positioning and lifting device and a mobile material cart adapted to be placed in the material cart positioning and lifting device are symmetrically arranged on both sides of the front end of the conveyor line, and material plates are stacked in the mobile material cart. The material cart positioning and lifting device is used to locate the loading position of the mobile material cart and lift up the stacked material plates. A loading gripper assembly is arranged above the two material cart positioning and lifting devices, and the loading gripper assembly is used to grab the material plate from the mobile material cart on the left or the mobile material cart on the right and place it on the power conveyor line.

[0005] Furthermore, the material cart positioning and lifting device includes a feeding frame, a square crossbeam is provided at the bottom rear end of the feeding frame, and in-place proximity switches are symmetrically provided on both sides of the square crossbeam, mounting plates are symmetrically provided on both sides of the bottom of the feeding frame, a material cart guide plate is provided on the outer side of the mounting plate, at least one lifting cylinder is installed on the mounting plate, a lifting plate is fixed to the output end of the lifting cylinder, positioning pins are provided at both front and rear ends of the lifting plate, and a stacking bottom plate is provided on the mobile material cart, and positioning holes matching the positioning pins are provided at both ends of the bottom of the stacking bottom plate.

[0006] Furthermore, the mobile material cart includes a trolley, the rear end of the trolley is provided with a crossbeam plate at the same height as the in-place proximity switch, the stacking base plate is installed on the upper end of the trolley, the stacking base plate is provided with a stacking frame assembly, and the material plates are stacked in the stacking frame assembly.

[0007] Furthermore, the feeding gripper assembly includes a feeding frame, the upper end of which is provided with a lateral moving module, a lifting moving module arranged on the lateral moving module, and a material plate suction cup group installed at the lower end of the lifting moving module.

[0008] Furthermore, the transverse moving module includes a mounting base fixed on the loading frame, transverse moving guide rails are symmetrically arranged on the mounting base, a rack is arranged between two of the transverse moving guide rails, a transverse moving plate is adapted to be installed on the two transverse moving guide rails, a driving motor is arranged on the transverse moving plate, a gear is installed on the output shaft of the driving motor, and the output shaft of the driving motor passes through the transverse moving plate to enable the gear and the rack to mesh.

[0009] Furthermore, the lifting and moving module includes a side mounting plate installed on the side end of the transverse moving plate, the upper end of the side mounting plate is provided with a screw drive motor and a ball screw connected to the screw drive motor, the ball screw is provided with a screw slider, lifting guide columns are provided at both ends of the screw slider, a lifting guide plate is provided between the bottoms of the two lifting guide columns, and the material plate suction cup group includes two symmetrically arranged accordion suction nozzles at both ends of the lifting guide plate.

[0010] Furthermore, a sheet material sensor is provided on the upper part of the feeding frame, and the sheet material sensor is used to detect the height of the sheet material lifting; the double-station feeding mechanism also includes an MCU controller, and the sheet material sensor, the conveyor line, the material vehicle positioning and lifting device, and the feeding gripper assembly are all electrically connected to the MCU controller.

[0011] Furthermore, the stacking frame assembly includes four L-shaped corner guards, two connecting plates are provided at the bottom of the L-shaped corner guards, reinforcing ribs are provided between the connecting plates and the L-shaped corner guards, the connecting plates are provided with connecting holes, and a plurality of threaded holes are arrayed around the stacking bottom plate, and the four L-shaped corner guards are fixed to the four sides of the stacking bottom plate by threaded connections.

[0012] Furthermore, the upper end of the trolley is provided with a plurality of guide slots, and the lower end of the stacking bottom plate is provided with a plurality of blocks adapted to the guide slots.

[0013] Furthermore, both ends of the lifting guide plate are provided with suction nozzle installation grooves.

[0014] The beneficial effects of the utility model are: 1. By arranging double-station mobile material carts at both ends of the conveyor line, and cooperating with the loading gripper assembly to transfer the material plate of the mobile material cart to the conveyor line, when one of the mobile material carts has taken the material, it can go to the other mobile material cart to take the material, and the other mobile material cart can replenish the first mobile material cart during the material taking process, so that it can operate without stopping and improve production efficiency; 2. By adopting the material cart positioning and lifting device and the mobile material cart adapted to be placed in the material cart lifting device, mobile replenishment can be realized to avoid replenishment in the production area, thereby eliminating the production safety hazards caused by traditional replenishment in the production area. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is the front view of the utility model;

[0017] Figure 3 It is a partial schematic diagram of the feeding gripper assembly;

[0018] Figure 4 It is a structural schematic diagram of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the material car positioning and lifting device;

[0020] Figure 6 It is a structural schematic diagram of a mobile material car; DETAILED DESCRIPTION Specific embodiment 1

[0022] like Figures 1 to 6 As shown, in this embodiment, the utility model includes a conveyor line 1, and a material cart positioning and lifting device 2 and a mobile material cart 3 adapted to be placed in the material cart positioning and lifting device 2 are symmetrically arranged on both sides of the front end of the conveyor line 1, and material plates 4 are stacked in the mobile material cart 3. The material cart positioning and lifting device 2 is used to locate the loading position of the mobile material cart 3, and a loading gripper assembly 5 is arranged above the two material cart positioning and lifting devices 2. The loading gripper assembly 5 is used to grab the material plate 4 from the mobile material cart 3 on the left or the mobile material cart 3 on the right and place it on the power conveyor line 1.

[0023] In this embodiment, the material cart positioning and lifting device 2 includes a loading frame 21, and mounting plates 24 are symmetrically arranged on both sides of the bottom of the loading frame 21. A material cart guide plate 25 is arranged on the outer side of the mounting plate 24. Two lifting cylinders 26 are installed on the mounting plate 24. A lifting plate 27 is fixed to the output end of the lifting cylinder 26. Positioning pins 28 are arranged at both ends of the front and rear of the lifting plate 27. A stacking bottom plate 31 is provided on the mobile material cart 3, and positioning holes 32 matching the positioning pins 28 are arranged at both ends of the bottom of the stacking bottom plate 31; a square beam 22 is provided at the rear end of the bottom of the loading frame 21. The in-place proximity switches 23 are symmetrically arranged on both sides of the square cross beam 22, and the mobile material cart 3 includes a trolley 33. The rear end of the trolley 33 is provided with a cross beam plate 34 at the same height as the in-place proximity switch 23. The stacking base plate 31 is installed on the upper end of the trolley 33, and a stacking frame assembly is arranged on the stacking base plate 31. The material plates 4 are stacked in the stacking frame assembly. This design is used to prove that the trolley 33 is pushed into place when both in-place proximity switches 23 detect the cross beam plate 34, and the positioning pin 28 is inserted into the positioning hole 32 under the drive of the lifting cylinder 26, thereby locking the stacking base plate 31.

[0024] In this embodiment, the feeding gripper assembly 5 includes a feeding frame, the upper end of which is provided with a lateral moving module, a lifting moving module arranged on the lateral moving module, and a material sheet suction cup group installed at the lower end of the lifting moving module.

[0025] In this embodiment, the transverse moving module includes a mounting base 51 fixed on the loading frame, and transverse moving guide rails 52 are symmetrically arranged on the mounting base 51, a rack 53 is arranged between the two transverse moving guide rails 52, and a transverse moving plate 54 is adapted to be installed on the two transverse moving guide rails 52, and a driving motor 55 is arranged on the transverse moving plate 54, and a gear is installed on the output shaft of the driving motor 55, and the output shaft of the driving motor 55 passes through the transverse moving plate 54 so that the gear is meshed with the rack 53.

[0026] In this embodiment, the lifting and moving module includes a side mounting 511 installed on the side end of the transverse moving plate 54, and a screw drive motor 56 and a ball screw connected to the screw drive motor 56 are provided at the upper end of the side mounting 511. A screw slider 57 is provided on the ball screw, and lifting guide columns 58 are provided at both ends of the screw slider 57. A lifting guide plate 59 is provided between the bottoms of the two lifting guide columns 58, and the material sheet suction cup group includes two symmetrically arranged accordion suction nozzles 510 at both ends of the lifting guide plate 59.

[0027] In this embodiment, the double-station feeding mechanism further includes an MCU controller, and the conveyor line 1, the material cart positioning and lifting device 2, and the feeding gripper assembly 5 are all electrically connected to the MCU controller.

[0028] In this embodiment, the stacking frame assembly includes four L-shaped corner guards 35, two connecting plates 36 are provided at the bottom of the L-shaped corner guards 35, reinforcing ribs 37 are provided between the connecting plates 36 and the L-shaped corner guards 35, and the connecting plates 36 are provided with connecting holes. A plurality of threaded holes are arrayed around the stacking base plate 31, and the four L-shaped corner guards 35 are fixed to the four sides of the stacking base plate 31 by threaded connections; this design can adjust the installation positions of the four L-shaped corner guards 35 according to the sizes of different material plates 4, thereby improving versatility.

[0029] In this embodiment, both ends of the lifting guide plate 59 are provided with nozzle installation grooves. This design can adjust the installation position of the accordion nozzle 510 according to the size of the material plate 4, thereby improving versatility.

[0030] In this embodiment, the working process of the utility model is: S1. Manually stacking materials onto the mobile material cart; S2. Placing the mobile material cart in the material cart positioning and lifting device; S3. After the two in-place proximity switches detect the crossbeam plate, the positioning pin is inserted into the positioning hole under the drive of the lifting cylinder, thereby locking the stacking bottom plate; S4. The loading gripper assembly grabs the material plate from the mobile material cart on the left and places it on the power transmission line; S5. When the material plate in the mobile material cart on the left is used up, the loading gripper assembly grabs the material plate from the mobile material cart on the right and places it on the power transmission line, and at the same time the lifting cylinder on the left is reset, and the mobile material cart on the left is manually taken out to the outside of the workstation for replenishment to ensure the safety of the operator. Specific embodiment 2

[0032] like Figures 1 to 6 As shown, in this embodiment, the utility model includes a conveyor line 1, and a material cart positioning and lifting device 2 and a mobile material cart 3 adapted to be placed in the material cart positioning and lifting device 2 are symmetrically arranged on both sides of the front end of the conveyor line 1, and material plates 4 are stacked in the mobile material cart 3. The material cart positioning and lifting device 2 is used to locate the loading position of the mobile material cart 3, and a loading gripper assembly 5 is arranged above the two material cart positioning and lifting devices 2. The loading gripper assembly 5 is used to grab the material plate 4 from the mobile material cart 3 on the left or the mobile material cart 3 on the right and place it on the power conveyor line 1.

[0033] In this embodiment, the material cart positioning and lifting device 2 includes a loading frame 21, and mounting plates 24 are symmetrically arranged on both sides of the bottom of the loading frame 21. A material cart guide plate 25 is arranged on the outer side of the mounting plate 24. Two lifting cylinders 26 are installed on the mounting plate 24. A lifting plate 27 is fixed to the output end of the lifting cylinder 26. Positioning pins 28 are arranged at both ends of the front and rear of the lifting plate 27. A stacking bottom plate 31 is provided on the mobile material cart 3, and positioning holes 32 matching the positioning pins 28 are arranged at both ends of the bottom of the stacking bottom plate 31; a square beam 22 is provided at the rear end of the bottom of the loading frame 21. The in-place proximity switches 23 are symmetrically arranged on both sides of the square cross beam 22, and the mobile material cart 3 includes a trolley 33. The rear end of the trolley 33 is provided with a cross beam plate 34 at the same height as the in-place proximity switch 23. The stacking base plate 31 is installed on the upper end of the trolley 33, and a stacking frame assembly is arranged on the stacking base plate 31. The material plates 4 are stacked in the stacking frame assembly. This design is used to prove that the trolley 33 is pushed into place when both in-place proximity switches 23 detect the cross beam plate 34, and the positioning pin 28 is inserted into the positioning hole 32 under the drive of the lifting cylinder 26, thereby locking the stacking base plate 31.

[0034] In this embodiment, the feeding gripper assembly 5 includes a feeding frame, the upper end of which is provided with a lateral moving module, a lifting moving module arranged on the lateral moving module, and a material sheet suction cup group installed at the lower end of the lifting moving module.

[0035] In this embodiment, the transverse moving module includes a mounting base 51 fixed on the loading frame, and transverse moving guide rails 52 are symmetrically arranged on the mounting base 51, a rack 53 is arranged between the two transverse moving guide rails 52, and a transverse moving plate 54 is adapted to be installed on the two transverse moving guide rails 52, and a driving motor 55 is arranged on the transverse moving plate 54, and a gear is installed on the output shaft of the driving motor 55, and the output shaft of the driving motor 55 passes through the transverse moving plate 54 so that the gear is meshed with the rack 53.

[0036] In this embodiment, the lifting and moving module includes a side mounting 511 installed on the side end of the transverse moving plate 54, and a screw drive motor 56 and a ball screw connected to the screw drive motor 56 are provided at the upper end of the side mounting 511. A screw slider 57 is provided on the ball screw, and lifting guide columns 58 are provided at both ends of the screw slider 57. A lifting guide plate 59 is provided between the bottoms of the two lifting guide columns 58, and the material sheet suction cup group includes two symmetrically arranged accordion suction nozzles 510 at both ends of the lifting guide plate 59.

[0037] In this embodiment, a material sheet sensor is provided on the upper part of the feeding frame 21, and the material sheet sensor is used to detect the lifting height of the material sheet 4; the double-station feeding mechanism also includes an MCU controller, and the material sheet sensor, the conveyor line 1, the material cart positioning and lifting device 2, and the feeding gripper assembly 5 are all electrically connected to the MCU controller.

[0038] In this embodiment, the stacking frame assembly includes four L-shaped corner guards 35, two connecting plates 36 are provided at the bottom of the L-shaped corner guards 35, reinforcing ribs 37 are provided between the connecting plates 36 and the L-shaped corner guards 35, and the connecting plates 36 are provided with connecting holes. A plurality of threaded holes are arrayed around the stacking base plate 31, and the four L-shaped corner guards 35 are fixed to the four sides of the stacking base plate 31 by threaded connections; this design can adjust the installation positions of the four L-shaped corner guards 35 according to the sizes of different material plates 4, thereby improving versatility.

[0039] In this embodiment, a plurality of guide slots are provided at the upper end of the trolley 33 , and a plurality of blocks matched with the guide slots are provided at the lower end of the stacking bottom plate 31 .

[0040] In this embodiment, both ends of the lifting guide plate 59 are provided with nozzle installation grooves. This design can adjust the installation position of the accordion nozzle 510 according to the size of the material plate 4, thereby improving versatility.

[0041] In this embodiment, the working process of the utility model is: S1. Manually stacking materials onto the mobile material cart; S2. Placing the mobile material cart in the material cart positioning and lifting device; S3. After the two in-place proximity switches detect the crossbeam plate, the positioning pin is inserted into the positioning hole under the drive of the lifting cylinder, thereby locking the stacking bottom plate; S4. The loading gripper assembly grabs the material plate from the mobile material cart on the left and places it on the power transmission line; S5. When the material plate in the mobile material cart on the left is used up, the loading gripper assembly grabs the material plate from the mobile material cart on the right and places it on the power transmission line, and at the same time the lifting cylinder on the left is reset, and the mobile material cart on the left is manually taken out to the outside of the workstation for replenishment to ensure the safety of the operator.

[0042] The difference between the specific embodiment 2 and the specific embodiment 1 is that the specific embodiment 2 uses the lifting cylinder to cooperate with the material plate sensor to make the height of the topmost material plate before loading consistent, and the height of the loading gripper assembly is also consistent so that the material plate can be taken; and the lifting cylinder can choose to lift the entire mobile material cart or only lift the stacking bottom plate. If a mobile material cart is used for lifting, it is only necessary to select a fixed connection between the trolley and the stacking bottom plate. If only the stacking bottom plate is lifted, the trolley and the stacking bottom plate are movably connected up and down.

[0043] The utility model is applied to the technical field of feeding mechanisms.

[0044] Although the embodiments of the present invention are described with practical solutions, they do not constitute limitations on the meaning of the present invention. For those skilled in the art, it is obvious to modify the implementation scheme and combine it with other solutions based on this description.

Claims

1. A double-station feeding mechanism, characterized in that: It comprises a conveyor line (1), wherein a material cart positioning and lifting device (2) and a mobile material cart (3) adapted to be placed in the material cart positioning and lifting device (2) are symmetrically arranged on both sides of the front end of the conveyor line (1), material plates (4) are stacked in the mobile material cart (3), the material cart positioning and lifting device (2) is used to locate the loading position of the mobile material cart (3), and a loading gripper assembly (5) is arranged above the two material cart positioning and lifting devices (2), and the loading gripper assembly (5) is used to grab the material plate (4) from the mobile material cart (3) on the left or the mobile material cart (3) on the right and place it on the power conveyor line (1).

2. A double-station feeding mechanism according to claim 1, characterized in that: The material cart positioning and lifting device (2) comprises a loading frame (21), a square crossbeam (22) is provided at the bottom rear end of the loading frame (21), and in-position proximity switches (23) are symmetrically provided on both sides of the square crossbeam (22), mounting plates (24) are symmetrically provided on both sides of the bottom of the loading frame (21), a material cart guide plate (25) is provided on the outer side of the mounting plate (24), at least one lifting cylinder (26) is installed on the mounting plate (24), a lifting plate (27) is fixed to the output end of the lifting cylinder (26), and positioning pins (28) are provided at both front and rear ends of the lifting plate (27), and a stacking bottom plate (31) is provided on the mobile material cart (3), and positioning holes (32) matching the positioning pins (28) are provided at both ends of the bottom of the stacking bottom plate (31).

3. A double-station feeding mechanism according to claim 2, characterized in that: The mobile material cart (3) comprises a trolley (33), the rear end of the trolley (33) is provided with a crossbeam plate (34) at the same height as the in-place proximity switch (23), the stacking base plate (31) is installed on the upper end of the trolley (33), a stacking frame assembly is arranged on the stacking base plate (31), and the material plates (4) are stacked in the stacking frame assembly.

4. A double-station feeding mechanism according to claim 1, characterized in that: The loading gripper assembly (5) comprises a loading frame, wherein the upper end of the loading frame is provided with a lateral moving module, a lifting moving module arranged on the lateral moving module, and a material plate suction cup group installed at the lower end of the lifting moving module.

5. A double-station feeding mechanism according to claim 4, characterized in that: The transverse moving module comprises a mounting base (51) fixed on the loading frame, the mounting base (51) is symmetrically provided with transverse moving guide rails (52), a rack (53) is provided between the two transverse moving guide rails (52), a transverse moving plate (54) is adapted to be installed on the two transverse moving guide rails (52), a driving motor (55) is provided on the transverse moving plate (54), a gear is installed on the output shaft of the driving motor (55), and the output shaft of the driving motor (55) passes through the transverse moving plate (54) so ​​that the gear is meshed with the rack (53).

6. A double-station feeding mechanism according to claim 5, characterized in that: The lifting and moving module includes a side mounting plate (511) mounted on the side end of the transverse moving plate (54), the upper end of the side mounting plate (511) is provided with a screw drive motor (56) and a ball screw connected to the screw drive motor (56), the ball screw is provided with a screw slider (57), both ends of the screw slider (57) are provided with lifting guide columns (58), a lifting guide plate (59) is provided between the bottoms of the two lifting guide columns (58), and the material plate suction cup group includes two accordion suction nozzles (510) symmetrically arranged at both ends of the lifting guide plate (59).

7. A double-station feeding mechanism according to claim 2, characterized in that: A material sheet sensor is provided on the upper part of the feeding frame (21), and the material sheet sensor is used to detect the lifting height of the material sheet (4); the double-station feeding mechanism also includes an MCU controller, and the material sheet sensor, the conveyor line (1), the material vehicle positioning and lifting device (2), and the feeding gripper assembly (5) are all electrically connected to the MCU controller.

8. A double-station feeding mechanism according to claim 3, characterized in that: The stacking frame assembly comprises four L-shaped corner guards (35), two connecting plates (36) are provided at the bottom of the L-shaped corner guards (35), reinforcing ribs (37) are provided between the connecting plates (36) and the L-shaped corner guards (35), the connecting plates (36) are provided with connecting holes, a plurality of threaded holes are arrayed around the stacking bottom plate (31), and the four L-shaped corner guards (35) are fixed to the four sides of the stacking bottom plate (31) by threaded connection.

9. A double-station feeding mechanism according to claim 3, characterized in that: The upper end of the trolley (33) is provided with a plurality of guide slots, and the lower end of the stacking bottom plate (31) is provided with a plurality of blocks matched with the guide slots.

10. A double-station feeding mechanism according to claim 6, characterized in that: Both ends of the lifting guide plate (59) are provided with suction nozzle installation grooves.

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