Automatic screw feeding and riveting device

Abstract

The utility model relates to the technical field of workpiece feeding, and discloses an automatic screw feeding and riveting device which comprises supporting legs, the tops of the supporting legs are fixedly connected with a workbench, the top of the workbench is fixedly connected with a support, the outer wall of the support is fixedly connected with an air cylinder frame, and the air cylinder frame is fixedly connected with an air cylinder. A driving air cylinder is fixedly connected to the inner wall of the air cylinder frame, and a mounting frame is fixedly connected to the bottom of the support. According to the utility model, the vibrating disc is started to send the pressing rivet screw to the connecting pipe, the pressing rivet screw is matched with the screw feeder to be sent to the feeding pipe, the driving air cylinder is started through conveying of the feeding pipe, the air cylinder piston rod drives the screw to be sent to the pressing rivet station, and the vibrating disc is closed when the detector detects the pressing rivet screw; a pressure cylinder attached to the driving air cylinder pushes the upper die to drive downwards, the upper die fixes the pressing rivet screw in a magnetic attraction mode, the pressing rivet screw is driven to enter a workpiece hole through the turning plate, the manual workload is greatly reduced, mechanical automatic pressing rivet is improved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece feeding, in particular to an automatic screw feeding and riveting device. Background Art

[0002] The self-clinching screw is a commonly used riveting device. Its working principle is to embed the teeth on the self-clinching screw into the plate.

[0003] Existing screw riveting usually uses manual method to place rivets at predetermined positions and then perform press riveting. This manual riveting work greatly increases the labor intensity of operators, takes a long time, reduces work efficiency, has a low automation rate, and has installation risks. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides an automatic screw feeding and riveting device, which aims to improve the existing screw riveting, which usually adopts a manual method to place the rivets at a predetermined position and then perform stamping and riveting. This manual riveting work greatly increases the labor intensity of the operator, takes a long time and reduces work efficiency, has a low automation rate, and has installation hidden dangers.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an automatic screw feeding and riveting device, comprising a supporting leg, the top of the supporting leg is fixedly connected to a workbench, the top of the workbench is fixedly connected to a bracket, the outer wall of the bracket is fixedly connected to a cylinder frame, the inner wall of the cylinder frame is fixedly connected to a driving cylinder, the bottom of the bracket is fixedly connected to a mounting frame, the bottom of the mounting frame is fixedly connected to a switching cylinder, the bottom of the switching cylinder is installed with a mounting plate, the inner wall of the mounting frame is threadedly connected to a first screw, the inner wall of the mounting plate is threadedly connected to a second screw, the inner wall of the mounting plate is threadedly connected to a third screw, the top of the mounting plate is fixedly connected to a material guide pipe, the bottom of the mounting plate is fixedly connected to a flap bracket, the inner wall of the flap bracket is installed with a flap, and the output end of the driving cylinder is fixedly connected to an upper mold.

[0006] Preferably, a motor is fixedly connected to the inner wall of the workbench, a worm gear is fixedly connected to the output end of the motor, a turbine is meshingly connected to the outer wall of the worm gear, and a rotating shaft is fixedly connected to the top of the turbine.

[0007] Preferably, the inner wall of the workbench is fixedly connected with a slideway, the inner wall of the slideway is fixedly connected with a large bearing, and the inner wall of the large bearing is fixedly connected to the outer wall of the rotating shaft.

[0008] Preferably, the top of the rotating shaft is fixedly connected to an operating table, the bottom of the operating table is fixedly connected to a connecting column, the bottom inner wall of the connecting column is rotatably connected to a roller, and the outer wall of the roller is installed on the top of the slide.

[0009] Preferably, a spring damping sleeve is fixedly connected to the outer edge of the top of the operating table, and a buffer plate is fixedly connected to the top of the spring damping sleeve.

[0010] Preferably, the top of the buffer plate is fixedly connected to a fixing column, the outer wall of the fixing column is fixedly connected to a placement plate, the top of the placement plate is fixedly connected to a lower mold, and the top of the placement plate is fixedly connected to a lower mold base.

[0011] Preferably, the top of the bracket is fixedly connected to a vibration plate, the outer wall of the vibration plate is fixedly connected to one end of a connecting tube, the other end of the connecting tube is fixedly connected to a nail feeder, the bottom of the nail feeder is fixedly connected to the top of the bracket, and the outer wall of the nail feeder is fixedly connected to one end of a feeding tube.

[0012] Preferably, a detector is fixedly connected to the outer wall of the mounting plate.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the vibration plate is started to send the rivet screw to the connecting pipe, and then sent to the feeding pipe with the help of the nail feeder. After being transported by the feeding pipe, the driving cylinder is started, and the cylinder piston rod is driven to send the screw to the rivet station. When the detector detects the rivet screw, the vibration plate is closed, and the booster cylinder attached to the driving cylinder drives the upper die to drive downward. The upper die fixes the rivet screw by magnetic attraction, and drives the rivet screw to enter the workpiece hole through the flap, which greatly reduces the manual workload, improves the mechanical automation of rivet riveting, and improves work efficiency.

[0015] 2. In the utility model, by starting the motor, the vortex rod is driven to rotate, the vortex rod is meshed with the turbine, and then the turbine is driven to rotate, the turbine drives the rotating shaft to rotate, the rotation of the rotating shaft drives the operating table, and then starting the motor can automatically rotate the operating table, drive the automatic replacement of the lower die and the lower die seat to receive the loading of the rivet screws, and further improve the automation of the device, facilitate the automatic replacement of the lower die seat and the lower die, and improve the replacement efficiency.

[0016] 3. In the utility model, by fixing the spring damping sleeve on the top of the operating table and fixing the buffer plate on the top of the spring damping sleeve, it is beneficial to effectively buffer the vibration of the device when the driving cylinder is riveting the riveting screws, thereby extending the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional diagram of an automatic screw feeding and riveting device proposed by the utility model;

[0018] Figure 2 This is a front view of an automatic screw feeding and riveting device proposed by the utility model;

[0019] Figure 3 for Figure 1 A is an enlarged view.

[0020] Legend:

[0021] 1. Support leg; 2. Workbench; 3. Slide; 4. Roller; 5. Connecting column; 6. Large bearing; 7. Operating table; 8. Spring damping sleeve; 9. Buffer plate; 10. Lower die; 11. Placement plate; 12. Fixed column; 13. Lower die seat; 14. Bracket; 15. Rotating shaft; 16. Motor; 17. Turbine; 18. Turbine; 19. Vibrating plate; 20. Nail feeder; 21. Feeding pipe; 22. Driving cylinder; 23. Cylinder frame; 24. Mounting frame; 25. First screw; 26. Second screw; 27. Mounting plate; 28. Flap bracket; 29. ​​Flap; 30. Third screw; 31. Material guide pipe; 32. Detector; 33. Upper die. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings of the specification of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1-Figure 3 The utility model provides an embodiment: the automatic screw feeding and riveting device of the embodiment comprises a supporting leg 1, the top of the supporting leg 1 is fixedly connected with a workbench 2, the top of the workbench 2 is fixedly connected with a bracket 14, the outer wall of the bracket 14 is fixedly connected with a cylinder frame 23, the inner wall of the cylinder frame 23 is fixedly connected with a driving cylinder 22, the bottom of the bracket 14 is fixedly connected with a mounting frame 24, the bottom of the mounting frame 24 is fixedly connected with a switching cylinder, the bottom of the switching cylinder is installed with a mounting plate 27, the inner wall of the mounting frame 24 is threadedly connected with a first screw 25, the inner wall of the mounting plate 27 is threadedly connected with a second screw 26, the inner wall of the mounting plate 27 is threadedly connected with a third screw 30, the top of the mounting plate 27 is fixedly connected with a material guide pipe 31, the bottom of the mounting plate 27 is fixedly connected with a flap bracket 28, the inner wall of the flap bracket 28 is installed with a flap 29, and the output end of the driving cylinder 22 is fixedly connected with an upper mold 33.

[0024] The supporting leg 1 supports the stability of the workbench 2. The bracket 14 is fixed on the workbench 2. The cylinder frame 23 is fixed on the bracket 14. The cylinder frame 23 is used to stably fix the driving cylinder 22. The driving cylinder 22 is started, and the cylinder piston rod drives the screw to the riveting station. The booster cylinder attached to the driving cylinder 22 pushes the upper die 33 downward. The upper die 33 fixes the riveting screw by magnetic attraction, driving the riveting screw to pass through the flap 29 and enter the workpiece hole.

[0025] The inner wall of the workbench 2 is fixedly connected with a motor 16 , the output end of the motor 16 is fixedly connected with a worm gear 17 , the outer wall of the worm gear 17 is meshingly connected with a turbine 18 , and the top of the turbine 18 is fixedly connected with a rotating shaft 15 .

[0026] The motor 16 is started to drive the worm 17 to rotate, and the worm 17 is meshed and connected with the turbine 18, thereby driving the turbine 18 to rotate, and the turbine 18 drives the rotating shaft 15 to rotate.

[0027] The inner wall of the workbench 2 is fixedly connected with a slideway 3 , the inner wall of the slideway 3 is fixedly connected with a large bearing 6 , and the inner wall of the large bearing 6 is fixedly connected to the outer wall of the rotating shaft 15 .

[0028] The outer wall of the rotating shaft 15 is fixed with a large bearing 6 , and the outer wall of the large bearing 6 is fixed to the inner wall of the slideway 3 .

[0029] The top of the rotating shaft 15 is fixedly connected to an operating platform 7 , the bottom of the operating platform 7 is fixedly connected to a connecting column 5 , the bottom inner wall of the connecting column 5 is rotatably connected to a roller 4 , and the outer wall of the roller 4 is installed on the top of the slideway 3 .

[0030] The rotation of the rotating shaft 15 drives the operating platform 7. The bottom of the operating platform 7 is connected to the connecting column 5. The bottom of the connecting column 5 rotates the roller 4, and the roller 4 rolls on the top of the slideway 3. The connecting column 5 and the roller 4 are used to support the rotation of the operating platform 7 to prevent the operating platform 7 from tilting due to long-term riveting work.

[0031] A spring damping sleeve 8 is fixedly connected to the periphery of the top of the operating platform 7 , and a buffer plate 9 is fixedly connected to the top of the spring damping sleeve 8 .

[0032] A spring damping sleeve 8 is fixed on the top of the operating table 7, and a buffer plate 9 is fixed on the top of the spring damping sleeve 8, which is beneficial to effectively buffer the vibration of the device when the driving cylinder 22 is riveting the riveting screws, thereby extending the service life of the device.

[0033] The top of the buffer plate 9 is fixedly connected with a fixing column 12 , the outer wall of the fixing column 12 is fixedly connected with a placement plate 11 , the top of the placement plate 11 is fixedly connected with a lower die 10 , and the top of the placement plate 11 is fixedly connected with a lower die base 13 .

[0034] The placement plate 11 and the lower die 10 are connected by a fixing column 12 , a lower die seat 13 is fixed on the top of the placement plate 11 , and the lower die 10 corresponds to the upper die 33 .

[0035] A vibration plate 19 is fixedly connected to the top of the bracket 14, one end of a connecting pipe is fixedly connected to the outer wall of the vibration plate 19, a nail feeder 20 is fixedly connected to the other end of the connecting pipe, the bottom of the nail feeder 20 is fixedly connected to the top of the bracket 14, and one end of a feeding pipe 21 is fixedly connected to the outer wall of the nail feeder 20.

[0036] The vibration plate 19 is started to deliver the self-clinching screw to the connecting pipe, and the self-clinching screw is delivered to the feeding pipe 21 in cooperation with the nail feeder 20. After being transported by the feeding pipe 21, the self-clinching screw is delivered to the self-clinching station.

[0037] A detector 32 is fixedly connected to the outer wall of the mounting plate 27 .

[0038] When the self-clinching screw is delivered to the flap 29 , the detector 32 detects the self-clinching screw and transmits a signal to close the vibration plate 19 .

[0039] Working principle: the support leg 1 supports the stability of the workbench 2, the bracket 14 is fixed on the workbench 2, the cylinder frame 23 is fixed on the bracket 14, the cylinder frame 23 is used to stabilize and fix the driving cylinder 22, the fixed column 12 is used to connect the placement plate 11 and the lower mold 10, the lower mold base 13 is fixed on the top of the placement plate 11, the lower mold 10 corresponds to the upper mold 33, the motor 16 is started, the worm rod 17 is driven to rotate, the worm rod 17 is meshed and connected with the turbine 18, and then the turbine 18 is driven to rotate, the turbine 18 drives the rotating shaft 15 to rotate, and the rotation of the rotating shaft 15 drives the operating table 7, the connecting column 5 and the roller 4 are used to support the operating table 7 The lower die 10 is rotated to the position corresponding to the upper die 33 in sequence, the vibration plate 19 is started, the self-rivet screw is sent to the connecting pipe, and the nail feeder 20 is used to send the self-rivet screw to the feeding pipe 21. After being transported by the feeding pipe 21, the driving cylinder 22 is started, and the cylinder piston rod is driven to send the screw to the self-rivet station. When the self-rivet screw is sent to the flap 29, the detector 32 detects the self-rivet screw and transmits a signal to close the vibration plate 19. The booster cylinder attached to the driving cylinder 22 drives the upper die 33 downward. The upper die 33 fixes the self-rivet screw by magnetic attraction, and drives the self-rivet screw to pass through the flap 29 and enter the workpiece hole.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A screw automatic feeding and riveting device, comprising a support leg (1), characterized in that: The top of the support leg (1) is fixedly connected to a workbench (2), the top of the workbench (2) is fixedly connected to a bracket (14), the outer wall of the bracket (14) is fixedly connected to a cylinder frame (23), the inner wall of the cylinder frame (23) is fixedly connected to a driving cylinder (22), the bottom of the bracket (14) is fixedly connected to a mounting frame (24), the bottom of the mounting frame (24) is fixedly connected to a switching cylinder, the bottom of the switching cylinder is installed with a mounting plate (27), and the mounting The inner wall of the frame (24) is threadedly connected with a first screw (25), the inner wall of the mounting plate (27) is threadedly connected with a second screw (26), the inner wall of the mounting plate (27) is threadedly connected with a third screw (30), the top of the mounting plate (27) is fixedly connected with a material guide tube (31), the bottom of the mounting plate (27) is fixedly connected with a flap bracket (28), the inner wall of the flap bracket (28) is installed with a flap (29), and the output end of the driving cylinder (22) is fixedly connected with an upper mold (33).

2. The automatic screw feeding and riveting device according to claim 1, characterized in that: The inner wall of the workbench (2) is fixedly connected to a motor (16), the output end of the motor (16) is fixedly connected to a worm gear (17), the outer wall of the worm gear (17) is meshingly connected to a turbine (18), and the top of the turbine (18) is fixedly connected to a rotating shaft (15).

3. The automatic screw feeding and riveting device according to claim 1, characterized in that: The inner wall of the workbench (2) is fixedly connected to a slideway (3), the inner wall of the slideway (3) is fixedly connected to a large bearing (6), and the inner wall of the large bearing (6) is fixedly connected to the outer wall of the rotating shaft (15).

4. The automatic screw feeding and riveting device according to claim 2, characterized in that: The top of the rotating shaft (15) is fixedly connected to an operating table (7), the bottom of the operating table (7) is fixedly connected to a connecting column (5), the bottom inner wall of the connecting column (5) is rotatably connected to a roller (4), and the outer wall of the roller (4) is mounted on the top of the slideway (3).

5. The automatic screw feeding and riveting device according to claim 4, characterized in that: A spring damping sleeve (8) is fixedly connected to the periphery of the top of the operating table (7), and a buffer plate (9) is fixedly connected to the top of the spring damping sleeve (8).

6. The automatic screw feeding and riveting device according to claim 5, characterized in that: The top of the buffer plate (9) is fixedly connected to a fixing column (12), the outer wall of the fixing column (12) is fixedly connected to a placement plate (11), the top of the placement plate (11) is fixedly connected to a lower mold (10), and the top of the placement plate (11) is fixedly connected to a lower mold base (13).

7. The automatic screw feeding and riveting device according to claim 1, characterized in that: The top of the bracket (14) is fixedly connected to a vibration plate (19), the outer wall of the vibration plate (19) is fixedly connected to one end of a connecting pipe, the other end of the connecting pipe is fixedly connected to a nail feeder (20), the bottom of the nail feeder (20) is fixedly connected to the top of the bracket (14), and the outer wall of the nail feeder (20) is fixedly connected to one end of a feeding pipe (21).

8. The automatic screw feeding and riveting device according to claim 1, characterized in that: A detector (32) is fixedly connected to the outer wall of the mounting plate (27).

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