Automatic self-plugging rivet feeding device

Abstract

The utility model discloses an automatic self-plugging rivet feeding device which comprises a rivet feeding pipeline installed on one side of a riveter, the rivet feeding pipeline is arranged in an inclined mode, one end of the rivet feeding pipeline is connected with a vibration disc, an air blowing assembly used for feeding rivets is arranged in the rivet feeding pipeline, a sliding table is connected to a fixing frame provided with the riveter in a sliding mode, and the sliding table is driven by a lifting air cylinder to ascend and descend. A first clamping jaw and a second clamping jaw are hinged to the sliding table, the two clamping jaws abut against each other all the time through the acting force of an elastic piece, the other end of the rivet feeding pipeline is installed in an open type inclined channel of the first clamping jaw, and a limiting block is arranged on the inclined channel and used for limiting a flange of the self-plugging rivet. A through hole through which the self-plugging rivet can pass is formed in the side wall, close to the second clamping jaw, of the rivet feeding pipeline, and an open type vertical channel is formed in the second clamping jaw; a guide plate is fixedly arranged on the fixing frame, and the lower end of the guide plate can force the first rotating rod and the second rotating rod to move reversely. The automatic rivet feeding device is simple in structure and capable of automatically feeding rivets to the hand riveter.

Description

Technical Field

[0001] The utility model relates to the field of blind rivet feeding of a riveting gun, in particular to an automatic blind rivet feeding device. Background Art

[0002] For the feeding of blind rivets, automatic feeding equipment is used, such as the utility model patent with the authorization announcement of October 16, 2013, and the announcement number CN203235887U, which discloses a material distribution and nail feeding structure of a blind rivet gun. This structure is used in conjunction with a rivet vibration plate. When in use, the discharge port of the vibration plate is tilted and docked with the inclined material channel of the mechanism. In addition, a high-pressure air pipe is inserted into the air joint and connected to the reversing solenoid valve to provide compressed air. The nail feeding air pipe is connected to the nail feeding air pipe joint, and the other end can be connected to an automatic rivet gun, etc., to realize single automatic nail feeding. When the mechanism receives the nail feeding signal, the rack cylinder piston rod extends, driving the rack forward a certain distance. The rack and the gear match, so that the gear rotates 180 degrees under the drive of the rack. The gear is fixed to the rotating material channel. The rotating material channel rotates 180 degrees relative to the fixed material channel, opening the nail feeding chamber. The piston rod of the nail separation cylinder retracts, and the rivet enters the nail feeding chamber, and then the piston rod of the nail separation cylinder is pushed out again to separate the subsequent rivets from the first rivet. The piston rod of the rack cylinder retracts, and the rack drives the gear to rotate 180 degrees. The rotating material channel rotates 180 degrees relative to the fixed material channel, closing the nail feeding chamber, so that the rivet is in a closed chamber. The reversing solenoid valve is actuated, and compressed air enters the closed chamber between the rotating material channel and the fixed material channel through the air pipe and the air joint. Driven by the compressed air flow, the rivets in the chamber are blown upward to the nail feeding air pipe through the nail feeding air pipe joint to realize the feeding of single rivets. However, this structure is relatively complex. Utility Model Content

[0003] In order to overcome the above shortcomings, the purpose of the utility model is to provide an automatic blind rivet feeding device which has a simple structure and can automatically feed rivets to a rivet gun.

[0004] In order to achieve the above purpose, one of the technical solutions adopted by the utility model is: an automatic blind rivet device, including a nail feeding pipe installed on one side of the rivet gun, the nail feeding pipe is arranged obliquely, one end of the nail feeding pipe is connected to the vibrating plate, a blowing assembly for feeding nails is provided in the nail feeding pipe, a slide is slidably connected to the fixed frame on which the rivet gun is installed, and the slide is driven up and down by a lifting cylinder; a first clamping jaw and a second clamping jaw are hinged on the slide, the first clamping jaw and the second clamping jaw are always offset by the elastic force of a pair of elastic members, and the first clamping jaw has an open inclined Channel, the other end of the nail feeding pipe is installed in the inclined channel, and a limiting block is provided on the side wall of the inclined channel away from the second clamping jaw to limit the flange of the blind rivet, and a through hole is provided on the side wall of the nail feeding pipe close to the second clamping jaw, and the second clamping jaw is provided with an open vertical channel, and the blind rivet can be turned from the through hole into the vertical channel; a guide plate is fixedly provided on the fixed frame, and the guide plate is located above the first rotating rod and the second rotating rod. When the lifting cylinder drives the slide to move up, the lower end of the guide plate forces the first rotating rod and the second rotating rod to move in opposite directions.

[0005] The beneficial effects of the automatic blind rivet feeding device of the utility model are as follows: the blind rivet in the vibrating disk is connected to the first clamping jaw at one end through the nail feeding pipe, and the blowing component is used to blow the blind rivet in the nail feeding pipe toward the inclined channel of the first clamping jaw. When the blind rivet passes into the inclined channel at a certain speed, the flange of the blind rivet is blocked by the limit block, passes through the through hole and rotates toward the second clamping jaw, is limited in the vertical channel, and is driven to rise by the lifting cylinder until the blind rivet is loaded to the lower gun head of the inserted rivet gun. The guide plate can just fully open the first clamping jaw, the second clamping jaw opens the blind rivet, the rivet gun operates, and the lifting cylinder drives the slide to reset, so as to realize automatic feeding to the rivet gun one by one. Compared with the existing material-dividing and nail-feeding structure, the structure is simple.

[0006] Preferably, the slide is hinged with a first rotating rod and a second rotating rod, the first rotating rod and the second rotating rod being able to rotate toward or in opposite directions in the horizontal direction, the first clamping jaw and the second clamping jaw being detachably mounted on the first rotating rod and the second rotating rod, respectively, and the pair of elastic members forcing the first rotating rod and the second rotating rod to always rotate toward each other. The first clamping jaw and the second clamping jaw are detachably mounted on the first rotating rod and the second rotating rod, respectively, and the articulation of the first clamping jaw and the second clamping jaw is achieved through the articulation of the first rotating rod and the second rotating rod with the slide, facilitating replacement of the first clamping jaw and the second clamping jaw to accommodate blind rivets of different specifications.

[0007] Preferably, the upper ends of the first rotating rod and the second rotating rod are both provided with guide rollers, and the lower end of the guide plate is located above the pair of guide rollers. The guide rollers are provided to achieve smooth opening of the first clamping jaw and the second clamping jaw.

[0008] Preferably, the pair of elastic members can be a pair of torsion springs, which are respectively arranged at the hinges of the first rotating rod and the second rotating rod; the pair of elastic members can also be a pair of springs, which are respectively arranged on the outside of the first rotating rod and the second rotating rod.

[0009] Preferably, the lower end of the guide plate has a sharp guide portion, and both sides of the sharp guide portion are transition inclined surfaces. This structure can achieve smooth guiding.

[0010] Preferably, a magnet is installed on the second clamping jaw to absorb the blind rivet, so as to limit the blind rivet in the vertical channel and prevent the blind rivet from moving.

[0011] Preferably, the rivet gun is provided with a pressure sensor and a displacement sensor, the pressure sensor is used to monitor the tension of the rivet gun, and the displacement sensor is used to monitor the displacement of the retraction of the core shaft inside the rivet gun.

[0012] Preferably, a starting cylinder is provided on the fixing frame, a rivet button is provided on the rivet gun, the end of the telescopic shaft of the starting cylinder corresponds to the rivet button, and a handle is also provided on the fixing frame, and a starting button is provided on the top of the handle. The starting button is used to drive the telescopic shaft of the starting cylinder to move toward the rivet button, and then start the rivet gun. The way of starting the rivet gun is simpler, more convenient and faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional diagram of the automatic blind rivet device and the rivet gun in this embodiment;

[0014] Figure 2 This is a three-dimensional diagram of the automatic blind rivet loading device of this embodiment;

[0015] Figure 3 This is an exploded view of the automatic blind rivet loading device of this embodiment at a first angle;

[0016] Figure 4 This is an exploded view of the second angle of the automatic blind rivet loading device of this embodiment;

[0017] Figure 5 This is a three-dimensional view of the limiting block of the first clamping jaw of this embodiment just contacting the flange of the blind rivet;

[0018] Figure 6 This is a three-dimensional view of the contact between the limiting block of the first clamping jaw and the flange of the blind rivet in this embodiment.

[0019] In the picture:

[0020] 1. Nail feeding pipe; 2. Rivet gun; 3. Fixed frame; 4. Slide; 5. Lifting cylinder; 6. First rotating rod; 7. Second rotating rod; 8. First clamping jaw; 9. Second clamping jaw; 10. Inclined channel; 11. Limit block; 12. Through hole; 13. Vertical channel; 14. Guide plate; 15. Guide roller; 16. Sharp guide part; 17. Transition inclined surface; 18. Starting cylinder; 19. Riveting button; 20. Handle; 21. Starting button; 22. Blind rivet; 23. Flange. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0022] See Figures 1-6 As shown, this embodiment discloses an automatic blind rivet feeding device, comprising a nail feeding pipe 1 installed on one side of a rivet gun 2, the nail feeding pipe 1 being arranged obliquely, one end of the nail feeding pipe 1 being connected to a vibrating plate, an air blowing assembly for feeding nails being provided in the nail feeding pipe 1, a slide 4 being slidably connected to a fixed frame 3 on which the rivet gun 2 is installed, and the slide 4 being driven by a lifting cylinder 5 to slide up and down on the fixed frame 3; a first rotating rod 6 and a second rotating rod 7 being hinged on the slide 4, the first rotating rod 6 and the second rotating rod 7 being able to rotate toward or in opposite directions in the horizontal direction, the first rotating rod 6 and the second rotating rod 7 being respectively provided with a first clamping jaw 8 and a second clamping jaw 9, the first clamping jaw 8 and the second clamping jaw 9 being forced by a pair of elastic members to always rotate toward each other, that is, always resist each other, and then clamp the blind rivet 22; The first clamping jaw 8 has an open inclined channel 10, and the other end of the nail feeding pipe 1 is installed in the inclined channel 10. A limiting block 11 is provided on the side wall of the inclined channel 10 away from the second clamping jaw 9 to limit the flange 23 of the blind rivet 22. A through hole 12 is provided on the side wall of the nail feeding pipe 1 close to the second clamping jaw 9. An open vertical channel 13 is provided on the second clamping jaw 9. A magnet is installed on the second clamping jaw 9 to adsorb the blind rivet 22, and the blind rivet can be turned from the through hole 12 to the vertical channel 13; a guide plate 14 is fixedly provided on the fixed frame 3, and the guide plate 14 is located above the first rotating rod 6 and the second rotating rod 7. When the lifting cylinder 5 drives the slide 4 to move upward, the lower end of the guide plate 14 forces the first rotating rod 6 and the second rotating rod 7 to move in the opposite direction.

[0023] To facilitate the smooth opening of the first and second jaws 8, 9, guide rollers 15 are provided at the upper ends of the first and second rotating rods 6, 7. The lower end of the guide plate 14 is positioned above and between the pair of guide rollers 15. The lower end of the guide plate 14 has a sharp guide portion 16, with transitional inclined surfaces 17 on either side of the sharp guide portion 16.

[0024] In some embodiments, the first rotating rod 6 and the second rotating rod 7 may not be provided, and the first clamping jaw 8 and the second clamping jaw 9 may be directly hinged on the slide 4. Accordingly, a pair of guide rollers 15 are directly installed on the first clamping jaw 8 and the second clamping jaw 9.

[0025] The pair of elastic members may be a pair of torsion springs, which are respectively arranged at the hinges of the first rotating rod 6 and the second rotating rod 7. The pair of elastic members may also be a pair of springs, which are respectively arranged outside the direction of the first rotating rod 6 and the second rotating rod 7.

[0026] The rivet gun 2 in this embodiment is further provided with a pressure sensor and a displacement sensor. The pressure sensor is used to monitor the pulling force of the rivet gun 2 , and the displacement sensor is used to monitor the displacement of the retraction of the core shaft inside the rivet gun 2 .

[0027] In order to facilitate the operator to start the rivet gun 2, a starting cylinder 18 is provided on the fixing frame 3 of this embodiment, and a rivet pulling button 19 is provided on the rivet gun 2. The end of the telescopic shaft of the starting cylinder 18 corresponds to the rivet pulling button 19. A handle 20 is also provided on the fixing frame 3, and a starting button 21 is provided on the top of the handle 20. The starting button 21 is used to drive the telescopic shaft of the starting cylinder 18 to move toward the rivet pulling button 19, thereby starting the rivet gun 2.

[0028] The working principle of this embodiment is:

[0029] The vibration plate blows the blind rivets 22 one by one to the nail feeding pipe 1 through the blowing assembly, enters the inclined channel 10, and is finally blocked by the limit block 11 of the inclined channel 10. The flange 23 of the blind rivet 22 blown to the inclined channel 10 at a certain speed is blocked by the limit block 11 of the first clamp 8, causing the blind rivet 22 to rotate toward the second clamp 9. The blind rivet 22 is turned from the through hole 12 on the nail pipe 1 in the inclined channel 10 to the vertical channel 13 of the second clamp 9, and is simultaneously attracted by the magnet on the vertical channel 13. The blind rivet 22 is limited on the vertical channel 13, and the lifting cylinder 5 drives the slide 4 to move upward, and then drives the first rotating rod 6, the second rotating rod 7, the first clamp 8, and the second The clamping jaws 9 and the nail pipe 1 move up together until the top of the blind rivet 22 is inserted into the lower end of the rivet gun 2. At the same time, the sharp guide portion 16 of the guide plate 14 is inserted between the guide rollers 15 of the first rotating rod 6 and the second rotating rod 7. The first clamping jaw 8 and the second clamping jaw 9 are originally forced to resist each other due to a pair of elastic members and are in the state of clamping the blind rivet 22. Because the sharp guide portion 16 is inserted between the two guide rollers 15, the two rotating rods drive the two clamping jaws to rotate in opposite directions respectively. At this time, the two clamping jaws release the blind rivet 22, and the lifting cylinder 5 drives the slide 4 to move down and reset. When riveting, press the start button 21 on the handle 20 to drive the telescopic axial rivet button 19 of the starting cylinder 18 to move, and then turn on the rivet gun 2 to perform the riveting operation.

[0030] The above implementation methods are only for illustrating the technical concept and features of the utility model. Its purpose is to enable people familiar with this technology to understand the content of the utility model and implement it. It cannot be used to limit the scope of protection of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the scope of protection of the utility model.

Claims

1. An automatic blind rivet feeding device, comprising a nail feeding pipe (1) installed on one side of a rivet gun (2), wherein the nail feeding pipe (1) is arranged at an angle, one end of the nail feeding pipe (1) is connected to a vibrating plate, and an air blowing component for feeding nails is provided in the nail feeding pipe (1), characterized in that: A slide (4) is slidably connected to a fixed frame (3) on which the rivet gun (2) is mounted, and the slide (4) is driven to rise and fall by a lifting cylinder (5); The slide (4) is hinged with a first clamping jaw (8) and a second clamping jaw (9), and the two clamping jaws are always offset by the elastic force of a pair of elastic members. The first clamping jaw (8) has an open inclined channel (10), and the other end of the nail feeding pipe (1) is installed in the inclined channel (10). A limiting block (11) is provided on the side wall of the inclined channel (10) away from the second clamping jaw (9) to limit the flange (23) of the blind rivet (22). A through hole (12) is provided on the side wall of the nail feeding pipe (1) close to the second clamping jaw (9). The second clamping jaw (9) is provided with an open vertical channel (13), and the blind rivet can be turned from the through hole (12) to the vertical channel (13); A guide plate (14) is fixedly provided on the fixed frame (3), and the guide plate (14) is located above the first rotating rod (6) and the second rotating rod (7). When the lifting cylinder (5) drives the slide (4) to move upward, the lower end of the guide plate (14) forces the first rotating rod (6) and the second rotating rod (7) to move in the opposite direction.

2. The automatic blind rivet device according to claim 1, characterized in that: A first rotating rod (6) and a second rotating rod (7) are hinged on the slide (4); the first rotating rod (6) and the second rotating rod (7) can rotate toward or in opposite directions in the horizontal direction; the first clamping claw (8) and the second clamping claw (9) are detachably mounted on the first rotating rod (6) and the second rotating rod (7), respectively; and a pair of elastic members force the first rotating rod (6) and the second rotating rod (7) to always rotate toward each other.

3. The automatic blind rivet device according to claim 1, characterized in that: The upper ends of the first rotating rod (6) and the second rotating rod (7) are both provided with guide rollers (15), and the lower end of the guide plate (14) is located above a pair of guide rollers (15).

4. The automatic blind rivet device according to claim 1, characterized in that: The pair of elastic members is a pair of torsion springs, and the pair of torsion springs are respectively arranged at the hinges of the first rotating rod (6) and the second rotating rod (7); or The pair of elastic members is a pair of springs, and the pair of springs are respectively arranged outside the direction of the first rotating rod (6) and the second rotating rod (7).

5. The automatic blind rivet device according to claim 1, characterized in that: The lower end of the guide plate (14) is provided with a sharp guide portion (16), and both sides of the sharp guide portion (16) are transition inclined surfaces (17).

6. The automatic blind rivet device according to claim 1, characterized in that: The second clamping jaw (9) is provided with a magnet for adsorbing the blind rivet.

7. The automatic blind rivet device according to claim 1, characterized in that: The rivet gun (2) is provided with a pressure sensor and a displacement sensor. The pressure sensor is used to monitor the pulling force of the rivet gun (2), and the displacement sensor is used to monitor the displacement of the retraction of the core shaft inside the rivet gun (2).

8. The automatic blind rivet device according to claim 1, characterized in that: The fixing frame (3) is provided with a starting cylinder (18), the rivet pulling button (19) is provided on the rivet gun (2), the end of the telescopic shaft of the starting cylinder (18) corresponds to the rivet pulling button (19), the fixing frame (3) is further provided with a handle (20), the top of the handle (20) is provided with a starting button (21), and the starting button (21) is used to drive the telescopic shaft of the starting cylinder (18) to move toward the rivet pulling button (19), thereby starting the rivet gun (2).

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