A surface cleaning production line for welding nuts

Abstract

The present invention discloses a surface cleaning production line for welding nuts, which includes a frame, a translation guide rail, a travel slider, a lifting robotic arm, a rotating motor, a rotating limit disk, a nut limit disk, nut limit columns, a diversion groove, a round sleeve opening, a pickling tank, a pickling pump, a pickling discharge pipe, a water washing tank, a water spraying mesh plate, an oil coating tank, an oil spraying pump, and an oil spraying pipe. The present invention can automatically and continuously pickle and oil the nuts on the production line, achieving the effects of removing the ferric oxide on the nut surface and rust prevention. The equipment has a high degree of automation, high production efficiency, thorough cleaning, and is beneficial to improving the subsequent welding quality of the nuts.

Description

Technical Field

[0001] The present invention relates to the technical field of nut processing equipment, in particular to the technical field of a surface cleaning production line for welded nuts.

Background Art

[0002] A welded nut is a nut suitable for welding outside the nut. Generally, it is made of weldable materials and is relatively thick and suitable for welding. Welding is equivalent to turning two separate parts into one whole. The metal is melted at high temperature and then mixed together and cooled. An alloy will be added in the middle. It is the action of molecular force inside, and the strength is generally greater than that of the parent body. After heat treatment, black magnetite will be generated on the surface of the welded nut, and the black magnetite on the surface will affect the welding quality. Therefore, it is necessary to design a surface cleaning production line for welded nuts to remove the magnetite on the nut surface to achieve the state of the metal natural color on the surface.

Summary of the Invention

[0003] The purpose of the present invention is to solve the problems in the prior art, and propose a surface cleaning production line for welded nuts, which can automatically and continuously pickle and oil the nuts on the production line, achieve the effects of removing the magnetite on the nut surface and rust prevention, with high equipment automation, high production efficiency, thorough cleaning, and being beneficial to improving the subsequent welding quality of the nuts.

[0004] To achieve the above purpose, the present invention proposes a surface cleaning production line for welded nuts, including a frame, a translation guide rail, a stroke slider, a lifting robotic arm, a rotating motor, a rotating limit disc, a nut limit disc, nut limit posts, a diversion groove, a circular sleeve opening, a pickling tank, a pickling pump, a pickling pipe, a water washing tank, a water spraying mesh plate, an oil coating tank, an oil spraying pump, and an oil spraying pipe. A translation guide rail is provided at the top of the frame. The lifting robotic arm is installed at the bottom of the translation guide rail through the stroke slider. A rotating motor is provided at the bottom end of the lifting robotic arm. A rotating limit disc is installed at the bottom of the rotating motor. The nut limit disc is detachably installed at the bottom of the rotating limit disc through a long bolt. A plurality of nut limit posts with the top inclined outward are arranged around the nut limit disc. The top end of the nut limit post is clamped with the bottom of the rotating limit disc. The diameter of the nut limit post is smaller than the inner diameter of the nut workpiece. A plurality of diversion grooves are provided on the nut limit post. A circular sleeve opening is provided through the center position of the nut limit disc along the axis. A pickling tank is provided below the nut limit disc. A pickling pump is provided at the center position of the bottom of the pickling tank. A pickling pipe is vertically provided at the top of the pickling pump. The diameter of the pickling pipe is smaller than the inner diameter of the circular sleeve opening. A water washing tank is provided on the right side of the pickling tank. Water spraying mesh plates are vertically and symmetrically provided on the lower part of the side wall of the water washing tank. An oil coating tank is provided on the right side of the water washing tank. An oil spraying pump is provided at the center position of the bottom of the oil coating tank. An oil spraying pipe is vertically provided at the top of the oil spraying pump.

[0005] Preferably, the number of the nut limiting columns is odd, there are at least three nut limiting columns, and the nut limiting columns are evenly distributed around the nut limiting disk in a circumferential manner.

[0006] Preferably, the diversion groove is a spiral groove, there are at least two diversion grooves, and the diversion grooves are evenly distributed around the outer side surface of the nut limiting column in a spiral circumferential manner.

[0007] Preferably, the inclination angle of the nut limiting column obliquely outward is 45° - 60°, and the axis lines of the nut limiting column and the nut limiting disk are located in the same plane.

[0008] Preferably, the top surface of the nut limiting disk is an inwardly concave arc surface.

[0009] Preferably, a plurality of acid spraying holes are evenly distributed around the side surface of the acid discharging pipe, and a plurality of oil spraying nozzles are evenly distributed around the side surface of the oil spraying pipe.

[0010] Preferably, a distance sensor is arranged at the center position of the bottom of the rotation limiting disk, and the distance sensor faces the acid discharging pipe and the oil spraying pipe.

[0011] Preferably, a plurality of hot air blowers are symmetrically arranged on the upper part of the side wall of the water washing tank, and the hot air blowers are located above the liquid level of the water washing tank.

[0012] The beneficial effects of the present invention: By combining a frame, a translation guide rail, a stroke slider, a lifting robotic arm, a rotation motor, a rotation limiting disk, a nut limiting disk, nut limiting columns, diversion grooves, a round sleeve opening, a pickling tank, an acid discharging pump, an acid discharging pipe, a water washing tank, a water spraying mesh plate, an oil coating tank, an oil spraying pump and an oil spraying pipe, through experimental optimization, the present invention can automatically and continuously pickle and oil nuts on a production line, achieving the effects of removing ferric oxide on the surface of the nuts and rust prevention. The equipment has a high degree of automation, high production efficiency, thorough cleaning, and is beneficial to improving the subsequent welding quality of the nuts.

[0013] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic structural diagram of a surface cleaning production line for welding nuts of the present invention.

[0015] In the figure: 1 - frame, 2 - translation guide rail, 3 - stroke slider, 4 - lifting robotic arm, 5 - rotation motor, 6 - rotation limit disc, 7 - nut limit disc, 8 - nut limit post, 9 - diversion groove, 10 - round sleeve opening, 11 - pickling tank, 12 - pickling drainage pump, 13 - pickling drainage pipe, 14 - water washing tank, 15 - water spraying mesh plate, 16 - oil coating tank, 17 - oil spraying pump, 18 - oil spraying pipe, 19 - pickling spraying hole, 20 - oil spraying nozzle, 21 - distance sensor, 22 - hot air blower.

Specific implementation manner

[0016] Refer to Figure 1, a surface cleaning production line for welding nuts of the present invention includes a frame 1, a translation guide rail 2, a stroke slider 3, a lifting robotic arm 4, a rotating motor 5, a rotating limit disc 6, a nut limit disc 7, nut limit posts 8, a diversion groove 9, a round sleeve opening 10, a pickling tank 11, a pickling pump 12, a pickling discharge pipe 13, a water washing tank 14, a water spraying mesh plate 15, an oil coating tank 16, an oil spraying pump 17, and an oil spraying pipe 18. A translation guide rail 2 is provided at the top of the frame 1. The bottom of the translation guide rail 2 is provided with a lifting robotic arm 4 through a stroke slider 3. A rotating motor 5 is provided at the bottom end of the lifting robotic arm 4. A rotating limit disc 6 is installed at the bottom of the rotating motor 5. The bottom of the rotating limit disc 6 is detachably installed with a nut limit disc 7 through a long bolt. A number of nut limit posts 8 with their tops inclined outward are arranged around the nut limit disc 7. The top ends of the nut limit posts 8 are engaged with the bottom of the rotating limit disc 6. The diameter of the nut limit posts 8 is smaller than the inner diameter of the nut workpiece. A number of diversion grooves 9 are provided on the nut limit posts 8. A round sleeve opening 10 is provided through the center position of the nut limit disc 7 along the axis. A pickling tank 11 is provided below the nut limit disc 7. A pickling pump 12 is provided at the center position of the bottom of the pickling tank 11. A pickling discharge pipe 13 is vertically provided at the top of the pickling pump 12. The diameter of the pickling discharge pipe 13 is smaller than the inner diameter of the round sleeve opening 10. A water washing tank 14 is provided on the right side of the pickling tank 11. Water spraying mesh plates 15 are vertically and symmetrically provided at the lower part of the side wall of the water washing tank 14. An oil coating tank 16 is provided on the right side of the water washing tank 14. An oil spraying pump 17 is provided at the center position of the bottom of the oil coating tank 16. An oil spraying pipe 18 is vertically provided at the top of the oil spraying pump 17. The number of the nut limit posts 8 is odd, and there are at least three nut limit posts 8. The nut limit posts 8 are evenly distributed around the nut limit disc 7 in a circular pattern. The diversion groove 9 is a spiral groove, and there are at least two diversion grooves 9. The diversion grooves 9 are evenly distributed around the outer side surface of the nut limit posts 8 in a spiral pattern. The inclination angle of the nut limit posts 8 inclined outward is 45° - 60°. The axis lines of the nut limit posts 8 and the nut limit disc 7 are located in the same plane. The top surface of the nut limit disc 7 is an inwardly concave arc surface. A number of acid spraying holes 19 are evenly distributed around the side surface of the pickling discharge pipe 13. A number of oil spraying nozzles 20 are evenly distributed around the side surface of the oil spraying pipe 18. A distance sensor 21 is provided at the center position of the bottom of the rotating limit disc 6. The distance sensor 21 is directly opposite to the pickling discharge pipe 13 and the oil spraying pipe 18. A number of hot air blowers 22 are symmetrically provided at the upper part of the side wall of the water washing tank 14. The hot air blowers 22 are located above the liquid level of the water washing tank 14.

[0017] The present invention combines a frame 1, a translation guide rail 2, a stroke slider 3, a lifting robotic arm 4, a rotating motor 5, a rotating limit disk 6, a nut limit disk 7, a nut limit post 8, a diversion groove 9, a round sleeve opening 10, a pickling tank 11, a pickling pump 12, a pickling discharge pipe 13, a water washing tank 14, a water spraying mesh plate 15, an oil coating tank 16, an oil spraying pump 17 and an oil spraying pipe 18. Through experimental optimization, it can automatically and continuously pickle and oil nuts on a production line, achieving the effects of removing magnetite on the nut surface and rust prevention. The equipment has a high degree of automation, high production efficiency, thorough cleaning, and is conducive to improving the subsequent welding quality of nuts.

[0018] The above embodiments are illustrative of the present invention and not restrictive thereof. Any scheme obtained by simply transforming the present invention belongs to the protection scope of the present invention.

Claims

1. A surface cleaning production line for welding nuts, characterized in that: It includes a frame (1), a translation guide rail (2), a stroke slider (3), a lifting robotic arm (4), a rotating motor (5), a rotating limit disc (6), a nut limit disc (7), a nut limit post (8), a diversion groove (9), a round sleeve opening (10), a pickling tank (11), a pickling drain pump (12), a pickling drain pipe (13), a water washing tank (14), a water spraying mesh plate (15), an oil coating tank (16), an oil spraying pump (17) and an oil spraying pipe (18). A translation guide rail (2) is arranged at the top of the frame (1). A lifting robotic arm (4) is installed at the bottom of the translation guide rail (2) through a stroke slider (3). A rotating motor (5) is arranged at the bottom end of the lifting robotic arm (4). A rotating limit disc (6) is installed at the bottom of the rotating motor (5). A nut limit disc (7) is detachably installed at the bottom of the rotating limit disc (6) through a long bolt. A plurality of nut limit posts (8) with the top inclined outward are arranged around the nut limit disc (7). The top end of the nut limit post (8) is clamped with the bottom of the rotating limit disc (6). The diameter of the nut limit post (8) is smaller than the inner diameter of the nut workpiece. A plurality of diversion grooves (9) are formed in the nut limit post (8). A round sleeve opening (10) is arranged through the center position of the nut limit disc (7) along the axis. A pickling tank (11) is arranged below the nut limit disc (7). A pickling drain pump (12) is arranged at the center position of the bottom of the pickling tank (11). A pickling drain pipe (13) is vertically arranged at the top of the pickling drain pump (12). The diameter of the pickling drain pipe (13) is smaller than the inner diameter of the round sleeve opening (10). A water washing tank (14) is arranged on the right side of the pickling tank (11). Water spraying mesh plates (15) are vertically and symmetrically arranged at the lower part of the side wall of the water washing tank (14). An oil coating tank (16) is arranged on the right side of the water washing tank (14). An oil spraying pump (17) is arranged at the center position of the bottom of the oil coating tank (16). An oil spraying pipe (18) is vertically arranged at the top of the oil spraying pump (17). The diversion groove (9) is a spiral groove. The number of the diversion grooves (9) is at least two. The diversion grooves (9) are evenly distributed in a spiral shape around the outer side surface of the nut limit post (8). The inclined angle of the nut limit post (8) inclined obliquely outward is 45°-60°. The axis lines of the nut limit post (8) and the nut limit disc (7) are located in the same plane. The top surface of the nut limit disc (7) is an inwardly concave arc surface.

2. The surface cleaning production line of a welding nut according to claim 1, wherein: The number of the nut limit posts (8) is odd. There are at least three nut limit posts (8). The nut limit posts (8) are evenly distributed around the nut limit disc (7).

3. The surface cleaning production line of a welding nut as described in claim 1, characterized in that: A plurality of acid spraying holes (19) are evenly distributed around the side surface of the pickling drain pipe (13). A plurality of oil spraying nozzles (20) are evenly distributed around the side surface of the oil spraying pipe (18).

4. A surface cleaning assembly line for welding nuts as claimed in claim 1, wherein: A distance sensor (21) is arranged at the center position of the bottom of the rotating limit disc (6). The distance sensor (21) faces the pickling drain pipe (13) and the oil spraying pipe (18).

5. The surface cleaning production line of a welding nut as described in claim 1, characterized in that: A plurality of hot air blowers (22) are symmetrically arranged on the upper part of the side wall of the water washing tank (14), and the hot air blowers (22) are located above the liquid level of the water washing tank (14).

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