A rotary wheel type multi-station screw suction device

Abstract

The present invention discloses a rotary wheel type multi-station screw suction device, which includes a frame, a main seat installed at the lower end of the frame, a main shaft inserted in the main seat, a motor assembly installed at the upper end of the frame and used to drive the main shaft to rotate, and a rotary wheel installed at the lower end of the main seat and fixedly connected to the lower end of the main shaft, wherein the rotary wheel is provided with a plurality of suction nozzles evenly distributed according to the circumference, and the rotary wheel is provided with a plurality of mounting grooves connected to the suction nozzles one by one along its upper end surface, and a magnetic ring is provided in the mounting groove; the main seat is provided with a vacuum suction hole through which a batch rod of an electric batch can pass, and the lower end opening of the vacuum suction hole is connected to the magnetic ring and the suction nozzle, and a vacuum joint connected to the vacuum suction hole is also provided on the side of the main seat. The motor assembly drives the rotary wheel with a plurality of suction nozzles to rotate accurately, so that the suction nozzles and the vacuum suction holes are accurately positioned, the screws are sucked into the corresponding suction nozzles by vacuum, and the magnets suck the screws tightly, and the multiple screws are taken out once by the movement of each axis, thereby reducing the movement time of each axis, thereby improving production efficiency.

Description

Technical field:

[0001] The invention relates to the technical field of screw suction, in particular to a rotary wheel type multi-station screw suction device. Background technology:

[0002] A screw machine is an automated device that uses automated mechanisms to replace manual labor to complete the removal, placement, and tightening of screws. It is mainly used in the production of automotive parts, and the automatic assembly of computers, display screens, motors, lamps, mobile phones, printers, circuit boards, batteries, instruments, etc. It can greatly improve production efficiency, reduce production costs, and improve reliability.

[0003] The screw machine needs to use a suction nozzle device to suck the screws and transport them to the installation position, then put the screws down and tighten the screws by pushing down the rod that passes through the suction nozzle. However, the suction nozzle device in the prior art can only suck one screw at a time, that is, each axis can only complete one screw material removal per movement, resulting in low production efficiency and cannot meet production requirements.

[0004] In view of this, the inventor proposes the following technical solution. Summary of the invention:

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a rotary wheel type multi-station screw suction device.

[0006] In order to solve the above technical problems, the present invention adopts the following technical scheme: the rotary wheel type multi-station screw suction device comprises a frame, a main seat installed at the lower end of the frame, a main shaft inserted in the main seat and rotatable relative to the main seat, a motor assembly installed at the upper end of the frame and used to drive the main shaft to rotate, a rotary wheel installed at the lower end of the main seat and fixedly connected to the lower end of the main shaft, the rotary wheel is provided with a plurality of suction nozzles evenly distributed according to the circumference, the rotary wheel is provided with a plurality of mounting grooves connected to the suction nozzles one by one along its upper end surface, and a magnetic ring for adsorbing and positioning the screws sucked by the suction nozzle is provided in the mounting groove; the main seat is provided with a vacuum suction hole penetrating its lower end surface and capable of supplying a batching rod with an electric batch, and the lower end opening of the vacuum suction hole is connected to the magnetic ring and the suction nozzle, and a vacuum joint connected to the vacuum suction hole is also provided on the side of the main seat.

[0007] Furthermore, in the above technical solution, an annular sealing insert is also fixed in the installation groove, which is pressed on the upper end surface of the magnetic ring and confines the magnetic ring in the installation groove. The upper end surface of the annular sealing insert is flush with the upper end surface of the rotating wheel, and the upper end surface of the annular sealing insert is docked with the lower end opening of the vacuum suction hole.

[0008] Furthermore, in the above technical solution, the main seat is provided with an annular groove at the periphery of the lower opening of the vacuum suction hole, an O-ring is embedded in the annular groove, and the O-ring is butted against the upper end surface of the annular sealing insert.

[0009] Furthermore, in the above technical solution, the main seat is equipped with a guide bearing and a packaging component for limiting the guide bearing at the upper opening of the vacuum suction hole. The inner hole diameter of the guide bearing is smaller than the hole diameter of the vacuum suction hole, and the opening of the packaging component is larger than the inner hole diameter of the guide bearing.

[0010] Furthermore, in the above technical solution, the main seat is provided with a first mounting hole downwardly opened along its upper end surface and penetrating its lower end surface, and the upper and lower ends of the main shaft are respectively installed in the first mounting hole through a first bearing and a second bearing, and the upper end of the main shaft extends out of the upper end surface of the main seat and is connected to the motor assembly; the lower end of the main shaft extends out of the lower end surface of the main seat and is fixedly connected to the rotating wheel through a first screw.

[0011] Furthermore, in the above technical solution, the motor assembly includes a stepper motor installed on the frame, a driving pulley installed on the lower end of the rotating shaft of the stepper motor, a driven pulley installed on the upper end of the main shaft, and a synchronous belt connected to the driving pulley and the driven pulley.

[0012] Furthermore, in the above technical solution, an optical fiber head for positioning is provided at the lower end of the main seat.

[0013] Furthermore, in the above technical solution, the main seat is provided with a second mounting hole downwardly opened along its upper end surface and penetrating its lower end surface, and the side of the main seat is provided with a screw hole connected to the second mounting hole, and the optical fiber head is passed through the second mounting hole, and is screwed into the screw hole by a headless screw and presses the optical fiber head to confine the optical fiber head in the second mounting hole.

[0014] Furthermore, in the above technical solution, the frame includes a main frame plate and a first connecting plate and a second connecting plate installed at the lower end of the main frame plate; the motor assembly is installed on the main frame plate, and the upper end of the main seat is provided with a first slot body and a second slot body, and the lower ends of the first connecting plate and the second connecting plate are respectively embedded in the first slot body and the second slot body, and then respectively locked by a second screw and a third screw; the main frame plate is provided with a clearance hole, and the clearance hole is placed above the vacuum suction hole.

[0015] Furthermore, in the above technical solution, the number of the suction nozzles is eight.

[0016] After adopting the above technical scheme, the present invention has the following beneficial effects compared with the prior art: when the present invention is in use, the motor assembly drives the main shaft and the rotating wheel to rotate relative to the main seat, so that the lower end opening of the vacuum suction hole in the main seat is accurately connected with the magnetic ring and the suction nozzle, and the vacuum suction hole is evacuated through the vacuum joint, so that the suction nozzle can suck in the screw and will be adsorbed and fixed by the magnetic ring; finally, the motor assembly drives the rotating wheel to rotate relative to the main seat, so that the next suction nozzle is connected with the lower end opening of the vacuum suction hole in the main seat, and the vacuum suction hole is evacuated through the vacuum joint, so that the suction nozzle can suck in the screw and will be adsorbed and fixed by the magnetic ring, and so on. The nozzles all absorb and position screws, so that multiple screws can be taken at one time, reducing the time of multiple taking movements and the number of screw taking times, thereby improving production efficiency. When locking the screws, the screwdriver rod of the electric screwdriver passes through the vacuum suction hole and locks the screws in the suction nozzle onto the product. Subsequently, the motor assembly drives the rotating wheel to rotate relative to the main seat, so that the next suction nozzle is docked with the lower end opening of the vacuum suction hole in the main seat, so that the vacuum suction hole through which the screwdriver rod of the electric screwdriver passes locks the next screw onto the product. This is repeated continuously to lock the screws that are absorbed and positioned by all the suction nozzles in the rotating wheel onto the product. It is extremely convenient to use and has extremely high efficiency, which makes the present invention highly competitive in the market. Description of the drawings:

[0017] Figure 1 is a stereogram of the present invention;

[0018] Figure 2 It is a stereogram of another viewing angle of the present invention;

[0019] Figure 3 is a three-dimensional exploded view of the present invention;

[0020] Figure 4 It is a cross-sectional view of the present invention. Specific implementation method:

[0021] The present invention is further described below in conjunction with specific embodiments and drawings.

[0022] See Figure 1-4As shown, a rotary wheel type multi-station screw suction device includes a frame 1, a main seat 2 installed at the lower end of the frame 1, a main shaft 3 passing through the main seat 2 and rotatable relative to the main seat 2, a motor assembly 4 installed at the upper end of the frame 1 and used to drive the main shaft 3 to rotate, and a rotary wheel 5 installed at the lower end of the main seat 2 and fixedly connected to the lower end of the main shaft 3. The rotary wheel 5 is provided with a plurality of suction nozzles 51 evenly distributed along the circumference, that is, a rotary wheel type multi-station suction nozzle structure. The rotating wheel 5 is provided with a plurality of mounting grooves 52 along its upper end surface which are connected with the suction nozzles 51 in a one-to-one correspondence, and a magnetic ring 53 is provided in the mounting groove 52 for adsorbing and positioning the screws 100 sucked by the suction nozzle 51; the main seat 2 is provided with a vacuum suction hole 21 which passes through its lower end surface and can be passed through by the batching rod of the electric batch, and the lower end opening of the vacuum suction hole 21 is connected to the magnetic ring 53 and the suction nozzle 51, and the side of the main seat 2 is also provided with a vacuum joint 22 connected with the vacuum suction hole 21. When the present invention is in use, the motor assembly 4 drives the main shaft 3 and the rotating wheel 5 to rotate relative to the main seat 2, so that the lower end opening of the vacuum suction hole 21 in the main seat 2 is accurately connected with the magnetic ring 53 and the suction nozzle 51, and the vacuum suction hole 21 is evacuated through the vacuum joint 22, so that the suction nozzle 51 can suck in the screw 100 and will be adsorbed and fixed by the magnetic ring 53; finally, the motor assembly 4 drives the rotating wheel 5 to rotate relative to the main seat 2, so that the next suction nozzle 51 is connected with the lower end opening of the vacuum suction hole 21 in the main seat 2, and the vacuum suction hole 21 is evacuated through the vacuum joint 22, so that the suction nozzle 51 can suck in the screw 100 and will be adsorbed and fixed by the magnetic ring 53, and this cycle is repeated, so that all the suction nozzles 51 in the rotating wheel 5 are adsorbed and fixed. There are screws 100 in the position, so that multiple screws can be picked up at one time, the time of multiple picking movements is reduced, the number of screw picking times is reduced, and thus the production efficiency is improved. When locking the screws, the screwing rod of the electric screwdriver passes through the vacuum suction hole 21 and locks the screw in the suction nozzle 51 to the product. Subsequently, the motor assembly 4 drives the rotating wheel 5 to rotate relative to the main seat 2, so that the next suction nozzle 51 is docked with the lower end opening of the vacuum suction hole 21 in the main seat 2, so that the vacuum suction hole 21 through which the screwing rod of the electric screwdriver passes locks the next screw to the product, and this is repeated continuously to lock the screws 100 that are adsorbed and positioned by all the suction nozzles 51 in the rotating wheel 5 to the product. It is extremely convenient to use and has extremely high efficiency, which makes the present invention highly competitive in the market.

[0023] An annular sealing insert 54 is also fixed in the installation groove 52. The annular sealing insert 54 is pressed on the upper end surface of the magnetic ring 53 and confines the magnetic ring 53 in the installation groove 52. The upper end surface of the annular sealing insert 54 is flush with the upper end surface of the rotating wheel 5, and the upper end surface of the annular sealing insert 54 is butted against the lower end opening of the vacuum suction hole 21. The main seat 2 is provided with an annular groove 23 at the outer periphery of the lower end opening of the vacuum suction hole 21. An O-ring 24 is embedded in the annular groove 23. The O-ring 24 is butted against the upper end surface of the annular sealing insert 54 to ensure the vacuum adsorption function.

[0024] The main seat 2 is installed with a guide bearing 25 and a packaging component 26 for limiting the guide bearing 25 at the upper end opening of the vacuum suction hole 21. The inner hole diameter of the guide bearing 25 is smaller than the hole diameter of the vacuum suction hole 21, and the opening 261 of the packaging component 26 is larger than the inner hole diameter of the guide bearing 25.

[0025] The main seat 2 is provided with a first mounting hole 27 extending downwardly along its upper end surface and penetrating through its lower end surface. The upper and lower ends of the main shaft 3 are respectively installed in the first mounting hole 27 through a first bearing 31 and a second bearing 32. The upper end of the main shaft 3 extends out of the upper end surface of the main seat 2 and is connected to the motor assembly 4; the lower end of the main shaft 3 extends out of the lower end surface of the main seat 2 and is fixedly connected to the rotating wheel 5 through a first screw 33.

[0026] The motor assembly 4 includes a stepper motor 41 mounted on the frame 1, a driving pulley 42 mounted on the lower end of the rotating shaft of the stepper motor 41, a driven pulley 43 mounted on the upper end of the main shaft 3, and a synchronous belt 44 connected to the driving pulley 42 and the driven pulley 43. The present invention uses a stepper motor in conjunction with the driving pulley 42 and the driven pulley 43, and a synchronous belt to drive the main shaft 3 and the rotating wheel to rotate accurately, so that the suction nozzle of the rotating wheel is accurately positioned with the vacuum suction hole to ensure stable suction of the screw.

[0027] The lower end of the main seat 2 is provided with an optical fiber head 6 for positioning, and positioning is performed through the optical fiber head 6 to ensure the operating positioning accuracy.

[0028] The main seat 2 is provided with a second mounting hole 28 extending downwardly along its upper end surface and penetrating through its lower end surface. The side of the main seat 2 is provided with a screw hole 281 which is connected to the second mounting hole 28. The optical fiber head 6 is inserted into the second mounting hole 28 and is screwed into the screw hole 281 by a headless screw and presses against the optical fiber head 6 to confine the optical fiber head 6 in the second mounting hole 28 to ensure structural stability.

[0029] The frame 1 includes a main frame plate 11 and a first connecting plate 12 and a second connecting plate 13 installed at the lower end of the main frame plate 11; the motor assembly 4 is installed on the main frame plate 11, and the upper end of the main seat 2 is provided with a first slot body 201 and a second slot body 202, and the lower ends of the first connecting plate 12 and the second connecting plate 13 are respectively embedded in the first slot body 201 and the second slot body 202, and then respectively locked by a second screw and a third screw; the main frame plate 11 is provided with a clearance hole 14, and the clearance hole 14 is placed above the vacuum suction hole 21.

[0030] The number of the suction nozzles 51 is eight, that is, eight screws can be taken out at one time.

[0031] To sum up, when the present invention is in use, the motor assembly 4 drives the main shaft 3 and the rotating wheel 5 to rotate relative to the main seat 2, so that the lower end opening of the vacuum suction hole 21 in the main seat 2 is accurately connected with the magnetic ring 53 and the suction nozzle 51, and the vacuum suction hole 21 is evacuated through the vacuum joint 22, so that the suction nozzle 51 can suck in the screw 100 and will be adsorbed and fixed by the magnetic ring 53; finally, the motor assembly 4 drives the rotating wheel 5 to rotate relative to the main seat 2, so that the next suction nozzle 51 is connected with the lower end opening of the vacuum suction hole 21 in the main seat 2, and the vacuum suction hole 21 is evacuated through the vacuum joint 22, so that the suction nozzle 51 can suck in the screw 100 and will be adsorbed and fixed by the magnetic ring 53, and this cycle is repeated until all the suction nozzles 51 in the rotating wheel 5 are uniformly connected. The screws 100 are adsorbed and positioned, so that multiple screws can be picked up at one time, the time for multiple picking movements is reduced, and the number of screw picking times is reduced, thereby improving production efficiency. When locking the screws, the screwing rod of the electric screwdriver passes through the vacuum suction hole 21 and locks the screw in the suction nozzle 51 to the product. Subsequently, the motor assembly 4 drives the rotating wheel 5 to rotate relative to the main seat 2, so that the next suction nozzle 51 is docked with the lower end opening of the vacuum suction hole 21 in the main seat 2, so that the vacuum suction hole 21 through which the screwing rod of the electric screwdriver passes locks the next screw to the product. This is repeated continuously to lock the screws 100 that all the suction nozzles 51 in the rotating wheel 5 are adsorbed and positioned to the product. It is extremely convenient to use and has extremely high efficiency, which makes the present invention highly competitive in the market.

[0032] Of course, the above description is only a specific embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. All equivalent changes or modifications made according to the structure, characteristics and principles described in the patent application scope of the present invention should be included in the patent application scope of the present invention.

Claims

1. A rotary wheel type multi-station screw suction device, characterized in that: The machine comprises a frame (1), a main seat (2) mounted at the lower end of the frame (1), a main shaft (3) inserted into the main seat (2) and rotatable relative to the main seat (2), a motor assembly (4) mounted at the upper end of the frame (1) and used to drive the main shaft (3) to rotate, and a rotating wheel (5) mounted at the lower end of the main seat (2) and fixedly connected to the lower end of the main shaft (3), wherein the rotating wheel (5) is provided with a plurality of suction nozzles (51) evenly distributed along the circumference, and the rotating wheel (5) is provided with a plurality of suction nozzles (51) along its upper end surface. ) are connected to the mounting grooves (52) in a one-to-one correspondence, and a magnetic ring (53) is provided in the mounting groove (52) for adsorbing and positioning the screw (100) sucked by the suction nozzle (51); the main seat (2) is provided with a vacuum suction hole (21) penetrating through its lower end surface and capable of passing a batch rod of an electric batch, along its upper end surface, and the lower end opening of the vacuum suction hole (21) is connected to the magnetic ring (53) and the suction nozzle (51), and a vacuum joint (22) connected to the vacuum suction hole (21) is also provided on the side of the main seat (2); An annular sealing insert (54) is also fixed in the installation groove (52). The annular sealing insert (54) is pressed on the upper end surface of the magnetic ring (53) and confines the magnetic ring (53) in the installation groove (52). The upper end surface of the annular sealing insert (54) is flush with the upper end surface of the rotating wheel (5), and the upper end surface of the annular sealing insert (54) is butted against the lower end opening of the vacuum suction hole (21). The main seat (2) is provided with an annular groove (23) at the periphery of the lower end opening of the vacuum suction hole (21). An O-ring (24) is embedded therein, and the O-ring (24) is in contact with the upper end surface of the annular sealing insert (54); a guide bearing (25) and a packaging component (26) for limiting the guide bearing (25) at the upper end opening of the vacuum suction hole (21) are installed on the main seat (2), wherein the inner hole diameter of the guide bearing (25) is smaller than the hole diameter of the vacuum suction hole (21), and the opening (261) of the packaging component (26) is larger than the inner hole diameter of the guide bearing (25).

2. A rotary wheel type multi-station screw suction device according to claim 1, characterized in that: The main seat (2) is provided with a first mounting hole (27) extending downwardly along its upper end surface and penetrating its lower end surface. The upper and lower ends of the main shaft (3) are respectively mounted in the first mounting hole (27) via a first bearing (31) and a second bearing (32). The upper end of the main shaft (3) extends out of the upper end surface of the main seat (2) and is connected to the motor assembly (4); the lower end of the main shaft (3) extends out of the lower end surface of the main seat (2) and is fixedly connected to the rotating wheel (5) via a first screw (33).

3. The rotary wheel type multi-station screw suction device according to claim 1, characterized in that: The motor assembly (4) comprises a stepper motor (41) mounted on the frame (1), a driving pulley (42) mounted on the lower end of the rotating shaft of the stepper motor (41), a driven pulley (43) mounted on the upper end of the main shaft (3), and a synchronous belt (44) connected to the driving pulley (42) and the driven pulley (43).

4. The rotary wheel type multi-station screw suction device according to claim 1, characterized in that: The lower end of the main seat (2) is provided with an optical fiber head (6) for positioning.

5. The rotary wheel type multi-station screw suction device according to claim 4, characterized in that: The main seat (2) is provided with a second mounting hole (28) extending downwardly from its upper end surface and penetrating through its lower end surface. A screw hole (281) communicating with the second mounting hole (28) is provided on a side surface of the main seat (2). The optical fiber head (6) is inserted into the second mounting hole (28) and is pressed against the optical fiber head (6) by a headless screw that is screwed into the screw hole (281) to confine the optical fiber head (6) in the second mounting hole (28).

6. The rotary wheel type multi-station screw suction device according to claim 1, characterized in that: The frame (1) comprises a main frame plate (11) and a first connecting plate (12) and a second connecting plate (13) mounted on the lower end of the main frame plate (11); the motor assembly (4) is mounted on the main frame plate (11); a first slot body (201) and a second slot body (202) are arranged on the upper end of the main seat (2); the lower ends of the first connecting plate (12) and the second connecting plate (13) are respectively embedded in the first slot body (201) and the second slot body (202), and then respectively locked by a second screw and a third screw; the main frame plate (11) is provided with a clearance hole (14), and the clearance hole (14) is located above the vacuum suction hole (21).

7. The rotary wheel type multi-station screw suction device according to claim 1, characterized in that: The number of the suction nozzles (51) is eight.

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