Automatic nut removing device

Abstract

The present invention discloses an automatic nut unloading device, comprising a bracket, a housing (1) provided on the top of the bracket, a nut adsorption mechanism, a detection mechanism (2), a shifting rod (3) and a shifting rod driving mechanism provided in the housing (1), the nut adsorption mechanism being fixed in the housing (1), the detection mechanism (2) being fixed on the top of the housing (1), the shifting rod (3) being rotatably mounted on the top surface of the housing (1), the shifting rod driving mechanism being fixed on one side of the housing (1), and the shifting rod driving mechanism being rotatably connected to one end of the shifting rod (3) via a rotating shaft. The present invention can automatically unload the nut on the manipulator when the manipulator reports an error, so that the manipulator can work normally, thereby realizing automated production and improving production efficiency.

Description

Technical Field

[0001] The invention relates to an automatic nut removing device, belonging to the technical field of automobile production equipment. Background Art

[0002] The current automobile industry is in a stage of rapid development. Automobile assembly is the final link in automobile manufacturing. It not only requires a large amount of labor but also takes a long time. The assembly production efficiency is directly related to the economic benefits of automobile manufacturing companies. Therefore, there are higher requirements for the degree of automation of automobile assembly production lines.

[0003] In automobile assembly lines, tire nuts are tightened using robotic arms. However, when the robotic arm automatically tightens the nuts, it may fail to tighten properly, resulting in an error. At this point, personnel are required to enter the production line to remove the nuts from the robotic arm. Currently, automatic removal of the nuts is not possible, resulting in a low degree of automation. Manual removal of the nuts will affect the normal production of the production line and affect production efficiency. Summary of the Invention

[0004] The purpose of the present invention is to provide an automatic nut removing device to solve the technical problems in the prior art. When the robot reports an error, it can automatically remove the nuts on the robot so that the robot can work normally, thereby realizing automated production and improving production efficiency.

[0005] The present invention provides an automatic nut removing device, comprising a bracket, a shell being provided on the top of the bracket, a nut adsorption mechanism, a detection mechanism, a shift rod and a shift rod driving mechanism being provided in the shell, the nut adsorption mechanism being fixed in the shell, the detection mechanism being fixed on the top of the shell, the shift rod being rotatably mounted on the top surface of the shell, the shift rod driving mechanism being fixed on one side of the shell, and the shift rod driving mechanism being rotatably connected to one end of the shift rod via a rotating shaft.

[0006] In the aforementioned automatic nut removing device, preferably, the bracket includes a mounting base, a support leg and a support beam, the lower end of the support leg is fixedly connected to the mounting base, the upper end of the support leg is fixedly connected to the middle part of the support beam, and the shell is fixedly arranged on the top of the support beam.

[0007] In the aforementioned automatic nut removing device, preferably, the shell includes a bottom plate, side plates, a back plate, a top plate, a magnet limit plate and a nut baffle, the bottom plate is a horizontally arranged rectangular plate, and a side plate is fixed on the left and right sides of the bottom plate respectively, the two side plates have the same shape and size, and both side plates are right-angled triangle side plates, the top plate is fixed on the inclined surfaces of the two side plates, the back plate is arranged vertically, and the two ends of the back plate are fixedly connected to the two side plates.

[0008] In the aforementioned automatic nut removing device, preferably, a detection mechanism bracket is fixedly provided on the top of each end of the back plate, and a detection mechanism is fixedly provided on the top of each detection mechanism bracket.

[0009] In the aforementioned automatic nut removing device, preferably, a U-shaped opening is opened on the top plate, the magnet limiting plate covers the U-shaped opening and is fixedly connected to the top plate by bolts, and the nut baffle is fixed on the magnet limiting plate.

[0010] In the aforementioned automatic nut removing device, preferably, the nut adsorption mechanism includes a magnet mounting base and a cylindrical magnet, the magnet mounting base is fixed on the base plate, the top surface of the magnet mounting base is circular, and the top surface of the magnet mounting base is parallel to the nut baffle, and a circle of the cylindrical magnet is fixed on the top surface of the magnet mounting base.

[0011] In the aforementioned automatic nut removing device, preferably, the lever driving mechanism is a cylinder, the cylinder is fixed on one of the side plates, the lever is rotatably mounted on the upper end of one side of the top plate through a rotating shaft, and the end of the lever close to the rotating shaft is rotatably connected to the telescopic end of the cylinder.

[0012] In the aforementioned automatic nut removing device, preferably, an arc-shaped nut baffle and a straight nut baffle are fixed on the top surface of the nut baffle, the straight nut baffle is opposite to the rotating shaft, and the straight nut baffle is parallel to the cylinder, and the arc-shaped nut baffle is located on the side of the nut baffle away from the straight nut baffle.

[0013] In the aforementioned automatic nut removing device, preferably, magnet limiting holes are provided on the magnet limiting plate, the number of the magnet limiting holes is the same as the number of the cylindrical magnets, and the magnet limiting holes are opposite to the cylindrical magnets one by one, and one end of the cylindrical magnet passes through the magnet limiting hole and penetrates the magnet limiting plate.

[0014] Compared with the prior art, the present invention includes a bracket, a shell is provided on the top of the bracket, a nut adsorption mechanism, a detection mechanism, a lever and a lever driving mechanism are provided in the shell, the nut adsorption mechanism is fixed in the shell, the detection mechanism is fixed on the top of the shell, the lever is rotatably mounted on the top surface of the shell, the lever driving mechanism is fixed on one side of the shell, and the lever driving mechanism is rotatably connected to one end of the lever via a rotating shaft. The present invention can adsorb the nut on the manipulator through the nut adsorption mechanism, detect whether the manipulator is in place and whether it has left through the detection mechanism, and drive the lever through the lever driving mechanism to remove the nut from the top of the shell, thereby achieving the next adsorption of the nut. The present invention realizes the function of fully automatic disassembly of the nut on the manipulator without the need for human operation, realizes automated production, and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is an axonometric drawing of the present invention;

[0016] Figure 2 This is a schematic diagram of the mechanism of the present invention after removing the nut baffle, magnet limit plate, shift rod and cylinder;

[0017] Figure 3 It is a schematic diagram of the mechanism for removing the nut baffle of the present invention.

[0018] Explanation of the accompanying drawings: shell 1, detection mechanism 2, lever 3, mounting base 4, support leg 5, support beam 6, bottom plate 7, side plate 8, back plate 9, top plate 10, nut baffle 11, detection mechanism bracket 12, U-shaped opening 13, magnet mounting base 14, cylindrical magnet 15, cylinder 16, arc-shaped nut baffle 17, linear nut baffle 18, magnet limit plate 19, magnet limit hole 20. DETAILED DESCRIPTION

[0019] The following describes embodiments of the present invention in detail, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0020] Embodiments of the present invention: Figure 1-Figure 3 As shown, an automatic nut unloading device includes a bracket, a shell 1 is provided on the top of the bracket, a nut adsorption mechanism, a detection mechanism 2, a lever 3 and a lever driving mechanism are provided in the shell 1, the nut adsorption mechanism is fixed in the shell 1, the detection mechanism 2 is fixed on the top of the shell 1, the lever 3 is rotatably installed on the top surface of the shell 1, the lever driving mechanism is fixed on one side of the shell 1, and the lever driving mechanism is rotatably connected to one end of the lever 3 through a rotating shaft.

[0021] The nut suction mechanism is used to absorb the nut on the manipulator, separating it from the nut sleeve on the manipulator. The detection mechanism 2 can detect whether the manipulator is in place and whether it has left. The lever mechanism can drive the lever 3 to swing. The swing of the lever 3 can push the nut off the top of the housing 1, causing the nut to automatically fall into the nut storage box. This realizes automated nut removal without manual intervention, effectively improving production efficiency.

[0022] In a specific embodiment, the bracket includes a mounting base 4, a support leg 5 and a support beam 6, the lower end of the support leg 5 is fixedly connected to the mounting base 4, the upper end of the support leg 5 is fixedly connected to the middle of the support beam 6, and the shell 1 is fixed on the top of the support beam 6.

[0023] The four corners of the mounting base 4 are provided with mounting holes, and four anchor bolts are used to secure the mounting base 4 to the ground. The lower ends of the support legs 5 are bolted to the mounting base 4, and the upper ends of the support legs 5 are welded to the middle of the support beam 6. The support beam 6 is arranged horizontally and serves to support the housing 1.

[0024] The shell 1 includes a bottom plate 7, a side plate 8, a back plate 9, a top plate 10, a magnet limit plate 19 and a nut baffle 11. The bottom plate 7 is a horizontally arranged rectangular plate. A side plate 8 is fixed on the left and right sides of the bottom plate 7 respectively. The two side plates 8 are the same in shape and size. Both side plates 8 are right-angled triangular side plates. The top plate 10 is fixed on the inclined surfaces of the two side plates 8. The back plate 9 is arranged vertically, and the two ends of the back plate 9 are fixedly connected to the two side plates 8.

[0025] Specifically, the bottom edge of each of the two side panels 8 is a right-angled edge. The side panels 8 are positioned perpendicular to the bottom panel 7. The other right-angled edge of the side panels 8 is fixedly connected to the back panel 9. The back panel 9 is also perpendicular to the bottom panel 7. The bottom edge of the back panel 9 is welded to the bottom panel 7. This structural design allows the top panel 10 to have a certain tilt angle. This tilt angle is determined by the angle between the oblique edges and the bottom edges of the side panels 8. Therefore, the tilt angle of the top panel 10 can be adjusted according to actual needs by replacing the side panels 8. The tilted arrangement of the top panel 10 makes it easier for the nuts to slide off.

[0026] A detection mechanism bracket 12 is fixed on the top of each end of the back plate 9, and a detection mechanism 2 is fixed on the top of each detection mechanism bracket 12. The detection mechanism 2 can adopt a laser sensor. The detection mechanism 2 is an existing technology and can be directly purchased.

[0027] Furthermore, a U-shaped opening 13 is opened on the top plate 10 , and a magnet limiting plate 19 covers the U-shaped opening 13 and is fixedly connected to the top plate 10 by bolts, and a nut baffle 11 is fixed on the magnet limiting plate 19 .

[0028] The provision of the opening 13 facilitates repair and maintenance of the nut adsorption mechanism.

[0029] The nut adsorption mechanism includes a magnet mounting base 14 and a cylindrical magnet 15. The magnet mounting base 14 is fixed on the base plate 7. The top surface of the magnet mounting base 14 is circular, and the top surface of the magnet mounting base 14 is parallel to the nut baffle 11. A circle of cylindrical magnets 15 is fixed on the top surface of the magnet mounting base 14.

[0030] The magnet limiting plate 19 is provided with magnet limiting holes 20 . The number of the magnet limiting holes 20 is the same as the number of the cylindrical magnets 15 , and the magnet limiting holes 20 are opposite to the cylindrical magnets 15 one by one. One end of the cylindrical magnet 15 passes through the magnet limiting hole 20 and penetrates the magnet limiting plate 19 .

[0031] The magnet limiting plate 19 is used to limit the cylindrical magnet 15 to prevent the cylindrical magnet 15 from loosening or shifting.

[0032] The lever driving mechanism is a cylinder 16, which is fixed on one of the side plates 8. The lever 3 is rotatably mounted on the upper end of one side of the top plate 10 through a rotating shaft, and the end of the lever 3 close to the rotating shaft is rotatably connected to the telescopic end of the cylinder 16.

[0033] In this embodiment, the cylinder 16 is fixed to the right side panel 8, with the axis of the cylinder 16 parallel to the hypotenuse of the side panel 8. It should be noted that a programmable logic controller (PLC) (not shown) is also provided outside the housing 1. The PLC is used to receive signals from the detection mechanism 2 and control the extension and contraction of the cylinder 16.

[0034] An arc-shaped nut baffle 17 and a straight nut baffle 18 are fixed on the top surface of the nut baffle 11. The straight nut baffle 18 is opposite to the rotating shaft and parallel to the cylinder 16. The arc-shaped nut baffle 17 is located on the side of the nut baffle 11 away from the straight nut baffle 18.

[0035] In this embodiment, the arc-shaped nut baffle 17 is located on the left side of the nut baffle 11, and the straight nut baffle 18 is located on the right side of the nut baffle 11. The center of the arc-shaped nut baffle 17 is concentric with the rotating shaft on the lever 3. There is a certain distance between the lower end of the arc-shaped nut baffle 17 and the lower end of the straight nut baffle 18 to form an outlet, and the nut leaves the nut baffle 11 through the outlet.

[0036] The working principle of the present invention is as follows: in a normal state, the lever 3 is parallel to the upper side of the top plate 10, and is located above the magnet mounting base 14. When the manipulator needs to remove the nut, the manipulator moves between the two detection mechanisms 2 and abuts the nut against the nut baffle 11. At this time, the detection mechanism 2 detects that the manipulator is in place and sends a signal to the PLC programmable controller. Then the manipulator releases the nut locking structure on the sleeve, and the nut is adsorbed by the cylindrical magnet 15. The manipulator leaves. After the detection mechanism 2 detects that the manipulator has left, it sends a signal to the PLC programmable controller. The PLC programmable controller controls the extension of the cylinder 16. The cylinder 16 pushes the lever 3, and the lever 3 rotates around the axis. The lever 3 moves the nut to separate the nut from the cylindrical magnet 15. When the lever 3 moves to Figure 1 In the state shown, the cylinder 16 stops extending, all the nuts leave the cylindrical magnet 15 and slide into the nut storage box, the PLC programmable controller controls the cylinder 16 to retract, and the lever 3 returns to its position to wait for the next work.

[0037] The above describes in detail the structure, features and effects of the present invention based on the embodiments shown in the drawings. The above is only a preferred embodiment of the present invention, but the scope of implementation of the present invention is not limited to what is shown in the drawings. Any changes made in accordance with the concept of the present invention, or modifications to equivalent embodiments with equivalent changes, which do not exceed the spirit covered by the description and drawings, should be within the scope of protection of the present invention.

Claims

1. An automatic nut removing device, comprising a bracket, characterized in that: A shell (1) is provided on the top of the bracket, and a nut adsorption mechanism, a detection mechanism (2), a shifting rod (3) and a shifting rod driving mechanism are provided in the shell (1), the nut adsorption mechanism is fixed in the shell (1), the detection mechanism (2) is fixed on the top of the shell (1), the shifting rod (3) is rotatably mounted on the top surface of the shell (1), the shifting rod driving mechanism is fixed on one side of the shell (1), and the shifting rod driving mechanism is rotatably connected to one end of the shifting rod (3) via a rotating shaft; The nut adsorption mechanism comprises a magnet mounting base (14) and a cylindrical magnet (15), wherein the magnet mounting base (14) is fixed on the bottom plate (7), the top surface of the magnet mounting base (14) is circular, and the top surface of the magnet mounting base (14) is parallel to the nut baffle (11), and a circle of the cylindrical magnet (15) is fixed on the top surface of the magnet mounting base (14); The shift lever driving mechanism is a cylinder (16), and the cylinder (16) is fixed on one of the side plates (8). The shift lever (3) is rotatably mounted on the upper end of one side of the top plate (10) via the rotating shaft. The end of the shift lever (3) close to the rotating shaft is rotatably connected to the telescopic end of the cylinder (16); An arcuate nut baffle (17) and a straight nut baffle (18) are fixedly provided on the top surface of the nut baffle (11), the straight nut baffle (18) is opposite to the rotating shaft, and the straight nut baffle (18) is parallel to the cylinder (16), and the arcuate nut baffle (17) is located on a side of the nut baffle (11) away from the straight nut baffle (18); The magnet limiting plate (19) is provided with magnet limiting holes (20), the number of the magnet limiting holes (20) is the same as the number of the cylindrical magnets (15), and the magnet limiting holes (20) are opposite to the cylindrical magnets (15) one by one, and one end of the cylindrical magnet (15) passes through the magnet limiting hole (20) and penetrates the magnet limiting plate (19).

2. The automatic nut removing device according to claim 1, characterized in that: The bracket comprises a mounting base (4), a supporting leg (5) and a supporting beam (6); the lower end of the supporting leg (5) is fixedly connected to the mounting base (4); the upper end of the supporting leg (5) is fixedly connected to the middle of the supporting beam (6); and the shell (1) is fixedly arranged on the top of the supporting beam (6).

3. The automatic nut removing device according to claim 2, characterized in that: The shell (1) comprises a bottom plate (7), a side plate (8), a back plate (9), a top plate (10), a magnet limiting plate (19) and a nut baffle (11), wherein the bottom plate (7) is a horizontally arranged rectangular plate, and a side plate (8) is fixedly provided on the left and right sides of the bottom plate (7), respectively. The two side plates (8) have the same shape and size, and both side plates (8) are right-angled triangular side plates. The top plate (10) is fixedly provided on the inclined surfaces of the two side plates (8), and the back plate (9) is arranged vertically. The two ends of the back plate (9) are fixedly connected to the two side plates (8).

4. The automatic nut removing device according to claim 3, characterized in that: A detection mechanism bracket (12) is fixedly provided at the top of each end of the back plate (9), and a detection mechanism (2) is fixedly provided at the top of each detection mechanism bracket (12).

5. The automatic nut removing device according to claim 3, characterized in that: A U-shaped opening (13) is provided on the top plate (10), the magnet limiting plate (19) covers the U-shaped opening (13) and is fixedly connected to the top plate (10) via bolts, and the nut baffle (11) is fixed on the magnet limiting plate (19).

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