Auricular needle feeding device and control method

Abstract

The invention discloses an auricular needle feeding device and a control method, belongs to the technical field of diamond ear stud assembly, and solves the problem that auricular needles are difficult to feed quickly in the diamond ear stud production process. The feeding device comprises a shell, a storage groove used for containing auricular needles is formed in the shell, a needle conveying rail used for conveying the auricular needles is arranged on the shell, the needle conveying rail extends into the storage groove, a rotary feeding mechanism used for shoveling the auricular needles onto the needle conveying rail is arranged at the rear end of the shell, a discharging platform is arranged at the front end of the shell, and the discharging platform is used for discharging the auricular needles. A discharging disc is rotationally arranged on the discharging platform, the discharging disc is aligned with the discharging end of the needle feeding rail, and a stepping motor used for driving the discharging disc to rotate is arranged at the bottom of the discharging platform. According to the auricular needle feeding device and the control method, the auricular needles can be rapidly and neatly arranged so that the auricular needles can be conveniently taken by a mechanical arm, the production efficiency is effectively improved, and the auricular needle feeding device has the advantages of being convenient to use and high in practicability.

Description

Technical Field

[0001] The invention relates to the technical field of diamond ear stud assembly, and in particular to an ear stud feeding device and a control method. Background Art

[0002] As the global demand for high-end jewelry and fashion accessories increases, the diamond earrings industry is becoming a key branch of the luxury goods market, and diamond stud earrings are an important component of diamond earrings. Diamond stud earrings are mainly composed of ear pins, diamond holders and diamonds. During the production process, the pins used in diamond stud earrings are small in size and are usually stored in piles and alternating in a disorderly manner. They are difficult to quickly pick up during the assembly process. In the automated production process, the robot cannot accurately pick up the pins in the chaotic pile, which cannot meet the needs of automated production. As a result, the production efficiency has not been improved. A feeding device that can arrange the pins neatly is urgently needed. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an ear needle feeding device and a control method in view of the above-mentioned deficiencies in the prior art, which can quickly and neatly arrange the needles for easy picking by a robot, effectively improving production efficiency, and having the characteristics of easy use and strong practicality.

[0004] The technical solution adopted by the present invention is: a feeding device for ear needles, comprising a shell, a storage groove for placing ear needles is provided in the shell, a needle feeding track for conveying ear needles is provided on the shell, the needle feeding track extends into the storage groove, a rotating feeding mechanism for shoveling the ear needles onto the needle feeding track is provided at the rear end of the shell, a discharging platform is provided at the front end of the shell, a discharging disk is rotatably provided on the discharging platform, the discharging disk is aligned with the discharging end of the needle feeding track, a stepping motor for driving the discharging disk to rotate is provided at the bottom of the discharging platform, a vibration device is provided at the bottom of the needle feeding track, a cleaning device for cleaning up excess ear needles is provided in the middle above the storage groove, and needle blowing devices for blowing needles off are provided on both sides above the storage groove.

[0005] As a further improvement, a V-shaped groove is provided at the upper end of the needle feeding track, a through groove is provided at the lower end of the needle feeding track, the V-shaped groove is connected to the through groove, and the ear needles are arranged on the through groove.

[0006] Furthermore, the rotary feeding mechanism includes a mounting seat, an external gear roller, a roller motor and a plurality of arc-shaped spoon plates, the plurality of arc-shaped spoon plates are evenly mounted on the inner ring of the external gear roller, the external gear roller is rotatably mounted on the mounting seat, the mounting seat is mounted in the shell, and the output end of the roller motor is meshed with the outer gear ring of the external gear roller through a gear.

[0007] Furthermore, the discharge tray is provided with a plurality of receiving grooves for placing ear needles, and the plurality of receiving grooves are evenly arranged.

[0008] Furthermore, a photoelectric sensor for detecting whether there are ear needles in the receiving trough is provided at the front end of the discharging platform.

[0009] Furthermore, the needle feeding track is arranged tilted from inside to outside, and the needle feeding track passes through the rotating feeding mechanism.

[0010] Furthermore, the vibration device includes a vibration motor and a shock absorber, the vibration motor is installed at the middle position of the bottom of the needle feeding track, and the shock absorber is installed at both ends of the needle feeding track.

[0011] Furthermore, the cleaning device includes a rotating shaft, a brush and a servo motor. The brush is rotatably mounted on the housing via the rotating shaft. The servo motor is mounted in the housing. The output end of the servo motor is connected to the rotating shaft. The brush is arranged above the needle feeding track.

[0012] Furthermore, the needle blowing device includes a mounting rod and a plurality of air nozzle heads, both ends of the mounting rod are mounted on a shell above a storage tank, the air nozzle heads are obliquely arranged on the mounting rod, the output end of the air nozzle heads projects toward a needle feeding track, and the plurality of air nozzle heads are commonly connected to an air intake pipe, which is connected to an external air pump via an air pipe.

[0013] A control method for an ear needle feeding device, the specific operation steps are as follows:

[0014] 1) First, pour a large number of ear needles into the storage tank, start the drum motor to drive the outer gear drum to rotate, and use the arc-shaped spoon plate to scoop the ear needles into the V-shaped groove of the storage tank when the outer gear drum rotates;

[0015] 2) Under the action of gravity, the smaller ends of some ear needles will fall into the through grooves, and the larger ends will be stuck on the V-shaped grooves. At this time, the ear needles are transported outwards under the vibration of the vibration motor;

[0016] 3) The servo motor rotates the brush to make a reciprocating motion to the left and right, thereby cleaning off most of the ear needles that have not fallen into the through-groove;

[0017] 4) Ventilate multiple air nozzles through an external air pump. The high-pressure airflow from the air nozzles will blow down the ear needles remaining in the V-shaped grooves. By cooperating with the cleaning device, the excess ear needles can be cleaned up to prevent blockage in the front.

[0018] 5) The ear needles arranged on the needle feeding track enter one of the receiving slots along the through slots, and the material discharging tray is rotated by the stepper motor to complete the material taking. The material receiving slot is repeatedly taken out by the rotation of the stepper motor;

[0019] 6) When the stepper motor moves the ear needle to a specific position, the robot removes the ear needle from the receiving trough.

[0020] Beneficial Effects

[0021] Compared with the prior art, the present invention has the following advantages:

[0022] The present invention provides an ear needle feeding device and control method, which pours a large number of ear needles into a storage tank, then starts a drum motor to drive the outer gear drum to rotate, and uses an arc-shaped spoon plate to scoop the ear needles into the V-shaped grooves of the needle feeding track when the outer gear drum rotates. Under the action of gravity, the smaller ends of some ear needles fall into the through-grooves, and the larger ends are stuck on the V-shaped grooves. The servo motor rotates the brush to make a reciprocating motion of left and right swings, so that most of the ear needles that have not fallen into the through-grooves are cleaned up, and then cooperates with the needle blowing device to ventilate multiple air nozzles through an external air pump. The high-pressure airflow of the air nozzle nozzles blows the ear needles remaining in the V-shaped grooves down to prevent them from being blocked in the front, thereby making the ear needles effective. They are arranged sequentially on the needle feeding track and transported outward under the vibration of the vibration motor. The ear needles follow the through slots into one of the receiving slots. The discharge tray is rotated by the stepper motor, and the next receiving slot is aligned with the through slot to realize the discharge of the next ear needle. When the stepper motor turns the ear needles to the front end, the ear needles on the receiving slot are taken away by the manipulator. When the photoelectric sensor senses that there are no ear needles in the receiving slot, the signal is transmitted to the controller. The controller controls the stepper motor to rotate. The stepper motor and the photoelectric sensor cooperate to realize repeated material removal from the receiving slot, thereby realizing fully automatic and neat arrangement and loading of the ear needles, which is convenient for the manipulator to take, effectively improving the overall production efficiency, and has the characteristics of easy use and wide application range. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0024] Figure 2 It is an enlarged schematic diagram of the side view structure of the needle feeding track in the present invention;

[0025] Figure 3 It is an enlarged schematic diagram of the cross-sectional structure of the needle feeding track in the present invention;

[0026] Figure 4 It is an enlarged schematic diagram of the structure of the rotary feeding mechanism in the present invention.

[0027] Among them: 1-shell, 2-rotating feeding mechanism, 3-vibration device, 4-cleaning device, 5-blowing needle device, 6-needle feeding track, 7-storage tank, 8-discharging platform, 9-receiving tank, 10-discharging tray, 11-photoelectric sensor, 12-V-shaped groove, 13-through groove, 14-ear needle, 21-external tooth roller, 22-arc spoon plate, 23-mounting seat, 24-roller motor, 31-vibration motor, 32-shock absorber, 41-servo motor, 42-rotating shaft, 43-brush, 51-air nozzle, 52-mounting rod, 53-intake pipe. DETAILED DESCRIPTION

[0028] The present invention will be further described below with reference to the specific embodiments in the accompanying drawings.

[0029] See also Figure 1-4As shown, an ear needle feeding device of the present invention comprises a shell 1, a storage tank 7 for placing ear needles 14 is provided in the shell 1, a needle feeding track 6 for conveying the ear needles 14 is provided on the shell 1, and the needle feeding track 6 extends into the storage tank 7, a rotating feeding mechanism 2 for shoveling the ear needles 14 onto the needle feeding track 6 is provided at the rear end of the shell 1, a discharging platform 8 is provided at the front end of the shell 1, a discharging tray 10 is rotatably provided on the discharging platform 8, and the discharging tray 10 is aligned with the discharging end of the needle feeding track 6, a stepping motor for driving the discharging tray 10 to rotate is provided at the bottom of the discharging platform 8, and the needle feeding track 6 is provided at the bottom of the discharging platform 8. A vibration device 3 is provided at the bottom of the track 6, a cleaning device 4 is provided in the middle of the storage tank 7 for cleaning off the redundant ear needles 14, and needle blowing devices 5 are provided on both sides of the storage tank 7 for blowing off the needles. A large number of ear needles 14 are placed in the storage tank 7, and then the drum motor 24 is started to drive the outer gear drum 24 to rotate. When the outer gear drum 24 rotates, the ear needles are scooped into the V-shaped groove 12 of the needle feeding track 6 by the arc-shaped scoop plate 22. Under the action of gravity, the smaller ends of some ear needles will fall into the through groove 13, and the larger ends will be stuck on the V-shaped groove 12. Through the servo The motor 41 rotates the brush 43 to make a reciprocating motion of left and right swing, so as to clean up most of the ear needles 14 that have not fallen into the through groove 13, and then cooperates with the needle blowing device 5 to ventilate multiple air nozzles 51 through an external air pump. The high-pressure airflow of the air nozzle 51 blows down the ear needles 14 remaining in the V-shaped groove 12 to prevent clogging in the front, so that the ear needles 14 are arranged in order on the needle feeding track 6, and are transported outward under the vibration of the vibration motor 31. The ear needles 14 follow the through groove 13 into one of the receiving troughs 9, and the material is discharged by rotating the stepping motor. The plate 10, the next receiving slot 9 is aligned with the through slot 13, so that the next ear needle 14 can be discharged. When the stepper motor rotates the ear needle to the front end, the ear needle 14 on the receiving slot 9 is taken away by the manipulator. When the photoelectric sensor 11 senses that there is no ear needle in the receiving slot 9, the signal is transmitted to the controller. The controller controls the stepper motor to rotate. The stepper motor and the photoelectric sensor 11 cooperate to realize the repeated material taking of the receiving slot 9, so that the ear needle 14 is automatically and neatly arranged for loading, which is convenient for the manipulator to take, thereby realizing fully automatic loading and effectively improving the overall production efficiency.

[0030] Specifically, a V-shaped groove 12 is opened at the upper end of the needle feeding track 6, and a through groove 13 is opened at the lower end of the needle feeding track 6. The V-shaped groove 12 is connected with the through groove 13, and the ear needles 14 are arranged on the through groove 13. The V-shaped groove 12 is convenient for accommodating more ear needles 14 that fall from the arc-shaped spoon plate 22, so that the ear needles 14 can fall into the through groove 13 in an orderly manner, thereby realizing arrangement and transportation.

[0031] Preferably, the rotary feeding mechanism 2 includes a mounting seat 23, an outer gear roller 21, a roller motor 24 and a plurality of arc-shaped spoon plates 22, the plurality of arc-shaped spoon plates 22 are evenly mounted on the inner ring of the outer gear roller 21, the outer gear roller 21 is rotatably mounted on the mounting seat 23, the mounting seat 23 is mounted in the shell 1, the output end of the roller motor 24 is meshed with the outer gear ring of the outer gear roller 21 through gears, the output end of the roller motor 24 drives the outer gear roller 24 to rotate through gears, and when the outer gear roller 24 rotates, the arc-shaped spoon plates 22 are used to scoop the ear needles into the V-groove 12 of the needle feeding track 6, thereby realizing the feeding of small-volume ear needles 14.

[0032] Furthermore, a plurality of receiving troughs 9 for placing ear needles 14 are provided on the discharge tray 10. The plurality of receiving troughs 9 are evenly arranged. There are four receiving troughs 9, which are evenly distributed on the discharge tray 10, so that one ear needle 14 can be discharged when the stepper motor rotates 90°. When the ear needle 14 rotates 180° under the action of the discharge tray 10, it comes to the front end for easy picking up by the robot arm, thereby realizing automatic loading.

[0033] Furthermore, a photoelectric sensor 11 is provided at the front end of the discharging platform 8 for detecting whether there is an ear needle 14 in the receiving trough 9, and for detecting whether the ear needle 14 is successfully taken away by the robot. After taking it away, the stepping motor is controlled to work, so that the working connectivity is better, which is conducive to improving work efficiency.

[0034] Furthermore, the needle feeding track 6 is arranged to be tilted from the inside to the outside, and the needle feeding track 6 passes through the rotating feeding mechanism 2. Under the effect of the tilt, it is convenient for the ear needle 14 to slide to a lower position, thereby realizing automatic discharging.

[0035] Furthermore, the vibration device 3 includes a vibration motor 31 and a shock absorber 32. The vibration motor 31 is installed in the middle position at the bottom of the needle feeding track 6, and the shock absorber 32 is installed at both ends of the needle feeding track 6. Under the action of the shock absorber 32, the speed of the ear needle 14 moving outward is accelerated, so that the ear needle 14 can be smoothly and neatly arranged and transported along the needle feeding track 6.

[0036] Furthermore, the cleaning device 4 includes a rotating shaft 42, a brush 43 and a servo motor 41. The brush 43 is rotatably mounted on the housing 1 via the rotating shaft 42. The servo motor 41 is mounted in the housing 1. The output end of the servo motor 41 is connected to the rotating shaft 42. The brush 43 is arranged above the needle feeding track 6. The servo motor 41 rotates the brush 43 to perform a left-right swinging reciprocating motion, thereby cleaning up most of the ear needles 14 that have not fallen into the through grooves 13, preventing the ear needles 14 from being discharged before they are neatly arranged, causing the equipment to become blocked.

[0037] Furthermore, the needle blowing device 5 includes a mounting rod 52 and a plurality of air nozzle heads 51, both ends of the mounting rod 52 are mounted on the shell 1 above the storage tank 7, the air nozzle heads 51 are arranged obliquely on the mounting rod 52, the output end of the air nozzle heads 51 is directed toward the needle feeding track 6, and the plurality of air nozzle heads 51 are commonly connected with an air inlet pipe 53, the air inlet pipe 53 is connected with an external air pump through an air pipe, and air is ventilated to the plurality of air nozzle heads 51 through the external air pump, and the high-pressure airflow of the air nozzle heads 51 will blow down the ear needles 14 remaining in the V-groove 12 to prevent blockage in the front, thereby achieving a better cleaning effect.

[0038] A control method for an ear needle feeding device, the specific operation steps are as follows:

[0039] First, a large number of ear needles 14 are poured into the storage tank 7, and the drum motor 24 is started to drive the outer gear drum 21 to rotate, and the ear needles 14 are scooped into the V-shaped grooves 12 of the storage tank 7 by the arc-shaped scoop plate 22 when the outer gear drum 21 rotates;

[0040] Under the action of gravity, the smaller ends of some ear needles 14 fall into the through grooves 13, and the larger ends are stuck on the V-shaped grooves 12. At this time, the ear needles 14 are transported outward under the vibration of the vibration motor 31;

[0041] The servo motor 41 rotates the brush 43 to make a reciprocating motion of left and right swing, so as to clean off most of the ear needles 14 that have not fallen into the through groove 13;

[0042] The multiple air nozzles 51 are ventilated by an external air pump, and the high-pressure airflow of the air nozzles 51 blows down the ear needles 14 remaining in the V-shaped grooves 12, and cooperates with the cleaning device 4 to clean up the excess ear needles 14 to prevent blockage in the front.

[0043] The ear needles 14 arranged on the needle feeding track 6 enter one of the material receiving slots 9 along the through slots 13, and the material discharging tray 10 is rotated by the stepping motor to complete the material taking, and the material receiving slot 9 is repeatedly taken out by the rotation of the stepping motor;

[0044] After the stepping motor rotates the ear needle 14 to a specific position, the ear needle 14 on the receiving slot 9 is taken away by a robot.

[0045] When in use, the ear needle feeding device of the present embodiment stores a large number of ear needles 14 in the storage groove 7, and then starts the drum motor 24 to drive the outer gear drum 24 to rotate. When the outer gear drum 24 rotates, the ear needles are scooped into the V-shaped groove 12 of the needle feeding track 6 by the arc-shaped scoop plate 22. Under the action of gravity, the smaller ends of some ear needles will fall into the through groove 13, and the larger ends will be stuck on the V-shaped groove 12. The servo motor 41 rotates the brush 43 to make a reciprocating motion of left and right swinging, so that most of the ear needles 14 that have not fallen into the through groove 13 are swept down, and then the needle blowing device 5 is cooperated with to ventilate the multiple air nozzles 51 through an external air pump. The high-pressure airflow of the air nozzle 51 will blow down the ear needles 14 remaining in the V-shaped groove 12 to prevent blockage in the front, thereby The ear needles 14 are arranged in order on the needle feeding track 6, and are transported outward under the vibration of the vibration motor 31. The ear needles 14 enter one of the receiving slots 9 along the through slot 13. The discharging plate 10 is rotated by the stepping motor, and the next receiving slot 9 is aligned with the through slot 13 to realize the discharging of the next ear needle 14. When the stepping motor rotates the ear needle to the front end, the ear needle 14 on the receiving slot 9 is taken away by the manipulator. When the photoelectric sensor 11 senses that there is no ear needle in the receiving slot 9, the signal is transmitted to the controller, and the controller controls the stepping motor to rotate. Through the cooperation of the stepping motor and the photoelectric sensor 11, the receiving slot 9 is repeatedly taken, so that the ear needles 14 are fully automatically arranged and loaded, which is convenient for the manipulator to take, thereby realizing fully automatic loading and effectively improving the overall production efficiency. The feeding device and control method of the ear needles of the present invention can quickly and neatly arrange the needles for easy picking by the manipulator, effectively improving the production efficiency, and has the characteristics of easy use and strong practicality.

[0046] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. An ear needle feeding device, characterized in that: The invention comprises a shell (1), wherein a storage tank (7) for placing ear needles (14) is provided in the shell (1), a needle feeding track (6) for conveying the ear needles (14) is provided on the shell (1), and the needle feeding track (6) extends into the storage tank (7), and a rotating loading mechanism (2) for shoveling the ear needles (14) onto the needle feeding track (6) is provided at the rear end of the shell (1), and a discharging platform (8) is provided at the front end of the shell (1), and a discharging tray (10) is rotatably provided on the discharging platform (8), and the discharging tray (10) is aligned with the discharging end of the needle feeding track (6), and a stepping motor for driving the discharging tray (10) to rotate is provided at the bottom of the discharging platform (8), and a vibration device (3) is provided at the bottom of the needle feeding track (6), and a cleaning device (4) for cleaning off excess ear needles (14) is provided in the middle above the storage tank (7), and needle blowing devices (5) for blowing off the needles are provided on both sides above the storage tank (7).

2. The ear needle feeding device according to claim 1, characterized in that: The upper end of the needle feeding track (6) is provided with a V-shaped groove (12), the lower end of the needle feeding track (6) is provided with a through groove (13), the V-shaped groove (12) is connected with the through groove (13), and the ear needles (14) are arranged on the through groove (13).

3. The ear needle feeding device according to claim 1, characterized in that: The rotary feeding mechanism (2) comprises a mounting seat (23), an external gear roller (21), a roller motor (24) and a plurality of arc-shaped spoon plates (22); the plurality of arc-shaped spoon plates (22) are evenly mounted on the inner ring of the external gear roller (21); the external gear roller (21) is rotatably mounted on the mounting seat (23); the mounting seat (23) is mounted in the housing (1); and the output end of the roller motor (24) is meshed with the outer gear ring of the external gear roller (21) through a gear.

4. The ear needle feeding device according to claim 1, characterized in that: The discharge tray (10) is provided with a plurality of receiving grooves (9) for placing ear needles (14), and the plurality of receiving grooves (9) are evenly arranged.

5. The ear needle feeding device according to claim 4, characterized in that: A photoelectric sensor (11) is provided at the front end of the discharging platform (8) for detecting whether there is an ear needle (14) in the receiving trough (9).

6. The ear needle feeding device according to claim 1, characterized in that: The needle feeding track (6) is arranged tilted from the inside to the outside, and the needle feeding track (6) passes through the rotating feeding mechanism (2).

7. The ear needle feeding device according to claim 6, characterized in that: The vibration device (3) comprises a vibration motor (31) and a shock absorber (32), wherein the vibration motor (31) is installed at the middle position of the bottom of the needle feeding track (6), and the shock absorber (32) is installed at both ends of the needle feeding track (6).

8. The ear needle feeding device according to claim 1, characterized in that: The cleaning device (4) comprises a rotating shaft (42), a brush (43) and a servo motor (41); the brush (43) is rotatably mounted on the housing (1) via the rotating shaft (42); the servo motor (41) is mounted in the housing (1); the output end of the servo motor (41) is connected to the rotating shaft (42); and the brush (43) is arranged above the needle feeding track (6).

9. The ear needle feeding device according to claim 1, characterized in that: The needle blowing device (5) comprises a mounting rod (52) and a plurality of air nozzles (51), both ends of the mounting rod (52) are mounted on the shell (1) above the storage tank (7), the air nozzles (51) are arranged obliquely on the mounting rod (52), the output end of the air nozzles (51) projects toward the needle feeding track (6), and the plurality of air nozzles (51) are connected to an air inlet pipe (53), and the air inlet pipe (53) is connected to an external air pump through an air pipe.

10. A method for controlling an ear needle feeding device, characterized in that: The specific steps are as follows: 1) First, a large amount of ear needles (14) are poured into the storage tank (7), and the drum motor (24) is started to drive the outer gear drum (21) to rotate, and the ear needles (14) are scooped into the V-shaped groove (12) of the storage tank (7) by using the arc-shaped scoop plate (22) when the outer gear drum (21) rotates; 2) Under the action of gravity, the smaller ends of some ear needles (14) fall into the through groove (13), and the larger ends are stuck on the V-shaped groove (12). At this time, the ear needles (14) are transported outward under the vibration of the vibration motor (31); 3) The servo motor (41) rotates the brush (43) to make a reciprocating motion of left and right swing, thereby cleaning off most of the ear needles (14) that have not fallen into the through groove (13); 4) Ventilating the plurality of air nozzles (51) through an external air pump, the high-pressure airflow of the air nozzles (51) blows down the ear needles (14) remaining in the V-shaped grooves (12), and cooperates with the cleaning device (4) to clean up the excess ear needles (14) to prevent blockage in the front; 5) The ear needles (14) arranged on the needle feeding track (6) enter one of the material receiving slots (9) along the through slots (13), and the material discharging plate (10) is rotated by the stepping motor to complete the material taking, and the material receiving slot (9) is repeatedly taken out by the rotation of the stepping motor; 6) After the stepping motor rotates the ear needle (14) to a specific position, the ear needle (14) on the receiving trough (9) is taken away by the manipulator.

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