Grabbing structure of automatic blanking device

Abstract

The utility model provides a grabbing structure of an automatic blanking device. The grabbing structure of the automatic blanking device comprises a bottom plate; the grabbing table is fixedly connected to the top of the bottom plate, an automatic discharging device is arranged at the position, located on one side, of the top of the grabbing table, and a discharging area is installed at the top of the grabbing table; the fixing plate is fixedly connected to the back face of the bottom plate, the top of the fixing plate is fixedly connected with a supporting rod, the back face of the supporting rod is provided with a driving assembly, the front face of the supporting rod is provided with a transverse rod, the interior of the transverse rod is rotationally connected with a threaded rod, and the interior of the transverse rod is provided with a sliding rod. And the outer surface of the threaded rod is in threaded connection with two internal threaded blocks. According to the grabbing structure of the automatic blanking device, the size of the grabbing frame can be adjusted in time according to the placing condition of materials, the grabbing plate can make better contact with the outer surfaces of the materials, and the grabbing precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic material-dropping device grabbing, in particular to a grabbing structure of an automatic material-dropping device. Background Art

[0002] Blanking refers to the excess part of the workpiece that exceeds the allowable processing range of the part due to wear of equipment or tools or errors in adjustment or operation during the processing.

[0003] The automatic dropping device automatically drops or transports items from the starting point to the corresponding position, and then uses a grabbing structure to clamp the material that has been automatically dropped, and then moves it to the corresponding position and drops it.

[0004] However, the material is not placed in the correct position during the lowering or conveying process of the automatic material placement device, and the traditional grasping structure is not convenient for left and right angle adjustment, so it is impossible to accurately grasp the misplaced material.

[0005] Therefore, it is necessary to provide a grabbing structure of an automatic blanking device to solve the above technical problems. Utility Model Content

[0006] The utility model provides a grabbing structure of an automatic material dropping device, which solves the problem that the traditional grabbing structure is inconvenient to adjust the angle, thus affecting the accurate grabbing of the misaligned materials dropped from the automatic material dropping device.

[0007] In order to solve the above technical problems, the grabbing structure of the automatic material dropping device provided by the utility model comprises: a bottom plate;

[0008] A grabbing platform, the grabbing platform is fixedly connected to the top of the bottom plate, an automatic material dropping device is arranged at one side of the top of the grabbing platform, and a material dropping area is installed on the top of the grabbing platform;

[0009] The top of the fixing plate is fixedly connected to the back side of the bottom plate, the top of the fixing plate is fixedly connected to a supporting rod, the back side of the supporting rod is installed with a driving assembly, the front side of the supporting rod is installed with a cross bar, the interior of the cross bar is rotatably connected with a threaded rod, the interior of the cross bar is installed with a sliding rod, the outer surface of the threaded rod is threadedly connected with two internal threaded blocks, one side of the two internal threaded blocks is fixedly connected with a movable frame through a connecting bolt, a telescopic rod is installed on the top of the movable frame, the telescopic end of the telescopic rod is fixedly connected with a mounting frame, a stabilizing rod is installed at a position at the back side of the top of the mounting frame, a driving motor is installed inside the mounting frame, a rotating shaft is installed at the output end of the driving motor through an angle sensor, and the other end of the rotating shaft is fixedly connected with a grabbing frame, cylinders are installed on the front and back sides of the grabbing frame, the telescopic ends of the two cylinders are fixedly connected with grabbing plates, and movable rods are installed on the opposite sides of the two grabbing plates;

[0010] The blanking area and the discharge port of the automatic blanking device are adjacent to each other, the output end of the driving component passes through the support rod and the threaded rod, both ends of the threaded rod and the sliding rod are connected to the front and back sides of the inner wall of the cross bar, and a hole is provided on the internal thread block for the sliding rod to pass through. The movable frame is located on one side of the cross bar, and the stabilizing rod passes through the movable frame to increase the stability of the mounting frame when it moves up and down. The movable rod passes through the front and back sides of the grabbing frame, and the grabbed material can be moved to the corresponding position by moving the movable frame back and forth. If necessary, a camera or a sensor to assist in precise clamping can be installed on the top of the inner wall of the grabbing frame to further improve the grabbing accuracy.

[0011] Preferably, a limit position assembly is installed on one side of the movable frame, and contact pads are installed on adjacent sides of the two grab plates;

[0012] The limiting assembly includes an L-shaped rod, and a pulley is installed on the side where the L-shaped rod contacts the crossbar.

[0013] Preferably, a mounting base is installed on the front of the grabbing platform, and a control switch is installed on the front of the mounting base;

[0014] The control switch can manually control the operation of the equipment on the grabbing table.

[0015] Preferably, a control box is fixedly connected to the top of the bottom plate, and a box door is rotatably connected to the front of the control box;

[0016] A power switch and a PLC controller are installed inside the control box.

[0017] Preferably, the driving assembly comprises a protective shell, heat dissipation holes are provided on both sides of the protective shell, and a servo motor is installed inside the protective shell;

[0018] The output end of the servo motor is connected to one end of the threaded rod.

[0019] Preferably, a hole is provided on one side of the cross bar to allow the connecting bolt to move, and a groove is provided on the other side of the cross bar. The front and back sides of the grabbing frame are both rotatably connected to auxiliary hooks at the bottom through rotating buckles.

[0020] The groove on the other side of the crossbar facilitates the sliding connection with the pulley on the limit assembly, which increases the stability of the movable frame when it moves after grabbing the material. The auxiliary hook rotates in the opposite direction through the rotating buckle when it contacts the top of the grabbing platform. When the grabbing frame and the grabbing platform are separated and the auxiliary hook and the grabbing platform are not in contact, it will be affected by its own gravity and move vertically downward.

[0021] Compared with the related art, the grabbing structure of the automatic material dropping device provided by the utility model has the following advantages:

[0022] Beneficial effects:

[0023] The utility model provides a grabbing structure of an automatic material-dropping device. In order to improve the grabbing accuracy of the grabbing structure for materials below the automatic material-dropping device or conveyed materials, a support rod is installed on the back of a grabbing platform through a fixed plate, and then a cross bar only needs to be installed on the front of the support rod, and a threaded rod is installed inside the cross bar through a driving assembly, and two internal thread blocks are installed on the outer surface of the threaded rod, and then a movable frame only needs to be installed on one side of the cross bar through two connecting bolts, and a mounting frame is installed below the movable frame through a telescopic rod, and then a driving motor only needs to be installed inside the mounting frame, and a grabbing frame is installed at the output end of the driving motor through an angle sensor and a rotating shaft, and then two grabbing plates only need to be connected through two cylinders It can be installed. In actual use, the material falls into the blanking area through the automatic blanking device, and then the driving assembly is started to adjust the position of the movable frame through the threaded rod. After the movable frame reaches the corresponding position, it is only necessary to drive the telescopic rod to lower the grabbing frame to a height that can grab the material. In the process of the grabbing frame moving downward, the driving motor adjusts the angle of the grabbing frame through the angle sensor, so that the two grabbing plates can accurately contact the outer surface of the material. Finally, it is only necessary to start the two cylinders to grab the material through the two grabbing plates and move it back and forth to the corresponding position. Through this structure, the size of the grabbing frame can be adjusted in time according to the material placement situation, so that the grabbing plate can better contact the outer surface of the material, thereby improving the grabbing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A structural schematic diagram of a preferred embodiment of the grabbing structure of the automatic material dropping device provided by the utility model;

[0025] Figure 2 A structural schematic diagram of a crossbar is provided for the utility model;

[0026] Figure 3 Provided for the utility model Figure 2 An enlarged view of point A is shown;

[0027] Figure 4 A structural schematic diagram of a threaded rod is provided for the utility model;

[0028] Figure 5 The utility model provides a structural schematic diagram of a servo motor.

[0029] Numbers in the figure: 1, bottom plate, 2, fixed plate, 3, support rod, 4, control box, 5, box door, 6, grabbing platform, 7, blanking area, 8, installation frame, 9, limit assembly, 10, drive assembly, 101, protective shell, 102, servo motor, 103, heat dissipation hole, 11, cross bar, 12, movable frame, 13, telescopic rod, 14, automatic blanking device, 15, control switch, 16, installation base, 17, stabilizer bar, 18, grabbing frame, 19, drive motor, 20, angle sensor, 21, rotating shaft, 22, contact pad, 23, grabbing plate, 24, auxiliary hook, 25, rotating buckle, 26, cylinder, 27, movable rod, 28, connecting bolt, 29, threaded rod, 30, sliding rod, 31, internal thread block. DETAILED DESCRIPTION

[0030] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0031] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of the grabbing structure of the automatic material dropping device provided by the utility model; Figure 2 A structural schematic diagram of a crossbar is provided for the utility model; Figure 3 Provided for the utility model Figure 2 An enlarged view of point A is shown;

[0032] Figure 4 A structural schematic diagram of a threaded rod is provided for the utility model; Figure 5 The utility model provides a structural schematic diagram of a servo motor. The grabbing structure of the automatic blanking device comprises: a bottom plate 1;

[0033] A grabbing platform 6, the grabbing platform 6 is fixedly connected to the top of the bottom plate 1, an automatic blanking device 14 is arranged at one side of the top of the grabbing platform 6, and a blanking area 7 is installed on the top of the grabbing platform 6;

[0034] A fixed plate 2, the fixed plate 2 is fixedly connected to the back of the bottom plate 1, the top of the fixed plate 2 is fixedly connected to a support rod 3, the back of the support rod 3 is installed with a driving assembly 10, the front of the support rod 3 is installed with a cross bar 11, the inside of the cross bar 11 is rotatably connected with a threaded rod 29, the inside of the cross bar 11 is installed with a sliding rod 30, the outer surface of the threaded rod 29 is threadedly connected to two internal thread blocks 31, one side of the two internal thread blocks 31 is fixedly connected to a movable frame 12 through a connecting bolt 28, and the top of the movable frame 12 is installed with a telescopic rod 13, the telescopic end of the telescopic rod 13 is fixedly connected to a mounting frame 8, a stabilizing rod 17 is installed at the top of the mounting frame 8 at the back, a driving motor 19 is installed inside the mounting frame 8, a rotating shaft 21 is installed at the output end of the driving motor 19 through an angle sensor 20, the other end of the rotating shaft 21 is fixedly connected to a grabbing frame 18, a cylinder 26 is installed on the front and back of the grabbing frame 18, the telescopic ends of the two cylinders 26 are fixedly connected to grabbing plates 23, and the opposite sides of the two grabbing plates 23 are installed with movable rods 27;

[0035] The blanking area 7 is adjacent to the discharge port of the automatic blanking device 14. The output end of the drive assembly 10 passes through the support rod 3 and the threaded rod 29. Both ends of the threaded rod 29 and the slide rod 30 are connected to the front and back of the inner wall of the cross bar 11. A hole is provided on the internal thread block 31 for the slide rod 30 to pass through. The movable frame 12 is located on one side of the cross bar 11. The stabilizing rod 17 passes through the movable frame 12 to increase the stability of the mounting frame 8 when it moves up and down. The movable rod 27 passes through the front and back of the grabbing frame 18. The movable frame 12 moves back and forth, so that the grabbed material can be moved to the corresponding position. If necessary, a camera or a sensor for assisting precise clamping can be installed on the top of the inner wall of the grabbing frame 18 to further improve the grasping accuracy. The angle sensor 20 cooperates with the PLC controller to accurately control the rotation angle of the drive motor 19.

[0036] A limit assembly 9 is installed on one side of the movable frame 12, and a contact pad 22 is installed on the adjacent sides of the two grab plates 23;

[0037] The limiting assembly 9 comprises an L-shaped rod, and a pulley is installed on the side of the L-shaped rod that contacts the crossbar 11, and the contact pad 22 is made of rubber material.

[0038] A mounting base 16 is installed on the front of the grabbing platform 6, and a control switch 15 is installed on the front of the mounting base 16;

[0039] The control switch 15 can manually control the operation of the equipment on the grabbing platform 6 , and a sealing process is performed between the mounting base 16 and the control switch 15 .

[0040] The top of the bottom plate 1 is fixedly connected with a control box 4, and the front of the control box 4 is rotatably connected with a box door 5;

[0041] The box door 5 is provided with a lock, and the control box 4 is internally installed with a power switch and a PLC controller.

[0042] The driving assembly 10 comprises a protective shell 101, both sides of the protective shell 101 are provided with heat dissipation holes 103, and a servo motor 102 is installed inside the protective shell 101;

[0043] The output end of the servo motor 102 is connected to one end of the threaded rod 29 , and the heat dissipation hole 103 is used to assist in heat dissipation.

[0044] One side of the cross bar 11 is provided with an opening for allowing the connecting bolt 28 to move, and the other side of the cross bar 11 is provided with a groove. The front and back sides of the grabbing frame 18 are both rotatably connected to auxiliary hooks 24 at the bottom through rotating buckles 25.

[0045] The groove on the other side of the cross bar 11 is conveniently connected to the pulley on the limit assembly 9 for sliding, which increases the stability of the movable frame 12 when moving after grabbing the material. The auxiliary hook 24 rotates in the opposite direction through the rotating buckle 25 when it contacts the top of the grabbing platform 6. When the grabbing frame 18 and the grabbing platform 6 are separated and the auxiliary hook 24 is not in contact with the grabbing platform 6, it will be affected by its own gravity and move vertically downward, so that the auxiliary hook 24 is located below the grabbed material, which can prevent the material from falling to a certain extent. The auxiliary hook 24 can be removed if it is not needed.

[0046] The working principle of the grabbing structure of the automatic material dropping device provided by the utility model is as follows:

[0047] A support rod 3 is installed on the back of the grabbing platform 6 through the fixing plate 2, and then the cross bar 11 only needs to be installed on the front of the support rod 3, and the threaded rod 29 is installed inside the cross bar 11 through the driving assembly 10, and two internal thread blocks 31 are installed on the outer surface of the threaded rod 29, and then the movable frame 12 only needs to be installed on one side of the cross bar 11 through two connecting bolts 28, and the installation frame 8 is installed under the movable frame 12 through the telescopic rod 13, and then the drive motor 19 only needs to be installed inside the installation frame 8, and the grabbing frame 18 is installed at the output end of the drive motor 19 through the angle sensor 20 and the rotating shaft 21, and then the two grabbing plates 23 only need to be installed. It can be installed through two cylinders 26. In actual use, the material falls into the inside of the blanking area 7 through the automatic blanking device 14, and then the driving assembly 10 is started to adjust the position of the movable frame 12 through the threaded rod 29. After the movable frame 12 reaches the corresponding position, it is only necessary to drive the telescopic rod 13 to lower the grabbing frame 18 to a height that can grab the material. In the process of the grabbing frame 18 moving downward, the driving motor 19 adjusts the angle of the grabbing frame 18 through the angle sensor 20, so that the two grabbing plates 23 can accurately contact the outer surface of the material. Finally, it is only necessary to start the two cylinders 26 to grab the material through the two grabbing plates 23 and move it back and forth to the corresponding position.

[0048] Compared with the related art, the grabbing structure of the automatic material dropping device provided by the utility model has the following advantages:

[0049] Beneficial effects:

[0050] In order to improve the grasping accuracy of the grasping structure for the material under the automatic blanking device 14 or the conveyed material, a support rod 3 is installed on the back of the grasping platform 6 through the fixed plate 2, and then it is only necessary to install the cross bar 11 on the front of the support rod 3, and the threaded rod 29 is installed inside the cross bar 11 through the driving assembly 10, and two internal thread blocks 31 are installed on the outer surface of the threaded rod 29, and then it is only necessary to install the movable frame 12 on one side of the cross bar 11 through two connecting bolts 28, and install the mounting frame 8 through the telescopic rod 13 under the movable frame 12, and then it is only necessary to install the drive motor 19 inside the mounting frame 8, and the grasping frame 18 is installed at the output end of the drive motor 19 through the angle sensor 20 and the rotating shaft 21, and then it is only necessary to install the two grasping plates 23 through the two cylinders 26. In actual use, the material falls into the inside of the material dropping area 7 through the automatic dropping device 14, and then the driving assembly 10 is started to adjust the position of the movable frame 12 through the threaded rod 29. After the movable frame 12 reaches the corresponding position, it is only necessary to drive the telescopic rod 13 to lower the grabbing frame 18 to a height that can grab the material. In the process of the grabbing frame 18 moving downward, the driving motor 19 adjusts the angle of the grabbing frame 18 through the angle sensor 20, so that the two grabbing plates 23 can accurately contact the outer surface of the material. Finally, it is only necessary to start the two cylinders 26 to grab the material through the two grabbing plates 23 and move it back and forth to the corresponding position. Through this structure, the size of the grabbing frame 18 can be adjusted in time according to the material placement situation, so that the grabbing plate 23 can better contact the outer surface of the material, thereby improving the grabbing accuracy.

[0051] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A grabbing structure of an automatic blanking device, characterized in that: include: Base plate; A grabbing platform, the grabbing platform is fixedly connected to the top of the bottom plate, an automatic material dropping device is arranged at one side of the top of the grabbing platform, and a material dropping area is installed on the top of the grabbing platform; The top of the movable frame is provided with a telescopic rod, and the telescopic end of the telescopic rod is fixedly connected to the mounting frame, and a stabilizing rod is installed at the top of the mounting frame at the back position. A driving motor is installed inside the mounting frame, and a rotating shaft is installed at the output end of the driving motor through an angle sensor, and a grab frame is fixedly connected to the other end of the rotating shaft, and a cylinder is installed on the front and back sides of the grab frame, and the telescopic ends of the two cylinders are fixedly connected to grab plates, and movable rods are installed on the opposite sides of the two grab plates.

2. The grabbing structure of the automatic blanking device according to claim 1 is characterized in that: A limiting component is installed on one side of the movable frame, and contact pads are installed on adjacent sides of the two grab plates.

3. The grabbing structure of the automatic blanking device according to claim 1 is characterized in that: A mounting base is installed on the front of the grabbing platform, and a control switch is installed on the front of the mounting base.

4. The grabbing structure of the automatic blanking device according to claim 1 is characterized in that: The top of the bottom plate is fixedly connected with a control box, and the front side of the control box is rotatably connected with a box door.

5. The grabbing structure of the automatic blanking device according to claim 1, characterized in that: The driving assembly comprises a protective shell, heat dissipation holes are provided on both sides of the protective shell, and a servo motor is installed inside the protective shell.

6. The grabbing structure of the automatic blanking device according to claim 1, characterized in that: One side of the cross bar is provided with an opening for allowing the connecting bolt to move, and the other side of the cross bar is provided with a groove. The front and back sides of the grabbing frame are both rotatably connected with auxiliary hooks at the bottom through rotating buckles.

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