Riveting nail feeding mechanism for riveting assembly

Abstract

The utility model relates to the technical field of riveting nail feeding mechanisms, in particular to a riveting nail feeding mechanism for riveting assembly, which comprises a material box, a rotary feeding mechanism arranged on the material box, a shifting mechanism arranged in the material box and a spiral conveying mechanism arranged on the material box, and a conical guide groove is arranged at the bottom of the material box; the rotary feeding mechanism comprises a roller which is installed on the inner side of the material box and can rotate, and a plurality of feeding plates are fixed to the inner wall of the roller at equal intervals around the center axis of the roller. The spiral conveying mechanism comprises a feeding rod horizontally installed in the material box, the center axis of the feeding rod coincides with the center axis of the rotating roller, one end of the feeding rod can extend out of the material box, a first straight groove is longitudinally formed in the end, located in the material box, of the feeding rod, and a second straight groove is formed in the end, away from the first straight groove, of the feeding rod. The riveting nail feeding mechanism solves the problem that a riveting nail feeding mechanism cannot perform 180-degree rotation adjustment on a workpiece.

Description

TECHNICAL FIELD

[0001] The utility model relates to rivet feeding mechanism technical field, concretely relates to a rivet feeding mechanism for riveting assembly. BACKGROUND

[0002] The rivet conveying in riveting assembly is the key link of realizing automatic riveting. The process accurately conveys the bulk rivets to the riveting station in a specific direction and rhythm through the vibration disc, linear feeder or mechanical hand and other devices, and ensures that the rivets smoothly enter the pressing assembly mold or clamping mechanism. The efficient rivet conveying system not only can improve the assembly rhythm, but also can effectively avoid the faults such as material jamming and misplacement, and guarantee the riveting quality and equipment stability.

[0003] The patent with Chinese publication number CN111266516A discloses a kind of rivet automatic feeding riveting device, vibration disc export end connects the import end of feeding guide rail, feeding guide rail export end is opposite with riveting insert front, riveting insert is located in feeding guide rail, optical fiber sensor is equipped above riveting insert, optical fiber sensor, cylinder are connected with main control unit, cylinder is controlled along feeding guide rail inside reciprocation by main control unit, riveting insert is synchronously moved, rivet in vibration disc passes through feeding guide rail and enters riveting insert and is sent to the position to be riveted under the action of cylinder, riveting insert reaches the position to be riveted and contacts with limit block, is positioned by limit block, upper die riveting punch needle is located just above the position to be riveted, upper die riveting punch needle moves downward and extrudes riveting slider to complete riveting.The rivet automatic feeding riveting device can automatically complete the screening, alignment and riveting work of rivet, replace manual rivet position alignment, improve riveting work efficiency, and the intelligent level is high.

[0004] The feeding riveting device in the above patent file cannot rotate the rivet by 180 degrees when conveying the rivet, so that it reaches the required rivet feeding direction. Therefore, a rivet feeding mechanism for riveting assembly is proposed. UTILITY MODEL CONTENTS

[0005] In view of the above problems, a rivet feeding mechanism for riveting assembly is provided, which utilizes the rotation of the roller to drive the feeding plate to rotate synchronously. When the feeding plate rotates to the upper side of the feeding rod, the feeding plate is in an inclined posture, so that the workpiece on the feeding plate slides into the first straight groove. Then the cylinder is started to drive the output end to perform extension and retraction actions, thereby pushing the workpiece in the first straight groove to move. When the workpiece enters the spiral groove from the first straight groove, the spiral groove is used to rotate the workpiece by 180 degrees. The problem that the rivet feeding mechanism cannot rotate the workpiece by 180 degrees is solved.

[0006] To address the problems of existing technologies, this application provides a rivet feeding mechanism for riveting assembly, comprising a material box, a rotary feeding mechanism disposed on the material box, a feeding mechanism disposed within the material box, and a screw conveying mechanism disposed on the material box. The bottom of the material box has a conical guide groove. The rotary feeding mechanism includes a rotatable roller mounted inside the material box, with several feeding plates equidistantly fixed on the inner wall of the roller around its central axis. The screw conveying mechanism includes a feeding rod horizontally mounted inside the material box, the central axis of which is aligned with... The central axes of the rotating drums coincide, and one end of the feeding rod can extend out of the interior of the material box. The end of the feeding rod inside the material box has a first straight groove, and the end of the feeding rod away from the first straight groove has a second straight groove. The feeding rod also has a spiral groove that spirals around its central axis, and the two ends of the spiral groove are connected to the first straight groove and the second straight groove, respectively. A sleeve for preventing the rivet from falling off is fitted on the outside of the feeding rod. A cylinder is horizontally fixed on the outer wall of one side of the material box, and the output end of the cylinder can extend into the first straight groove and push the rivet.

[0007] As one technical solution of this application, the material feeding mechanism includes a mounting shaft, the two ends of which are rotatably mounted on the inner wall of the material box and horizontally suspended above the feeding rod. A material feeding plate with the ability to sweep off excess workpieces on the feeding rod is fixed on the mounting shaft.

[0008] As one technical solution of this application, a lever plate is fixed at one end of the mounting shaft; lever blocks that actuate the lever plate are fixed at equal intervals around the central axis on the outer wall of the roller.

[0009] As one technical solution of this application, a counterweight block that can reset the material feeding plate is fixed on one side.

[0010] As one technical solution of this application, a toothed belt is also provided on the outer wall of the roller; a servo motor is fixed on the outer wall of the material box, and a gear is fixed on the output end of the servo motor, the gear meshing with the toothed belt.

[0011] As one technical solution of this application, a spiral observation groove is formed on the outer wall of the sleeve around its central axis.

[0012] The advantages of this invention compared to existing technologies are as follows: This application utilizes the rotation of a roller to drive the synchronous rotation of a feeding plate. As the feeding plate rotates, it also moves the workpiece upwards. When the feeding plate rotates above the feeding rod, it is in an inclined position, causing the workpiece on the feeding plate to slide into the first straight groove. Then, a cylinder is activated, causing the output end to perform extension and retraction actions, thereby moving the workpiece in the first straight groove. When the workpiece enters the spiral groove from the first straight groove, the spiral groove causes the workpiece to rotate 180 degrees. This solves the problem that the riveting feeding mechanism cannot adjust the workpiece by rotating it 180 degrees. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a kind of rivet feeding mechanism for riveting assembly Figure 1 ;

[0014] Figure 2 It is a kind of rivet feeding mechanism for riveting assembly Figure 2 ;

[0015] Figure 3 It is a kind of rivet feeding mechanism for riveting assembly

[0016] Figure 4 It is a kind of rivet feeding mechanism for riveting assembly

[0017] Figure 5 It is a kind of rivet feeding mechanism for riveting assembly

[0018] Figure 6 It is a kind of rivet feeding mechanism for riveting assembly

[0019] Figure 7 It is a kind of rivet feeding mechanism for riveting assembly

[0020] Figure label is: 1, material box;11, conical guide groove;2, rotary feeding mechanism;21, roller;22, feeding plate;23, push block;24, toothed belt;25, gear;3, push mechanism;31, mounting shaft;32, push plate;33, push plate;34, counterweight;4, spiral feeding mechanism;41, feeding rod;411, first straight groove;412, spiral groove;413, second straight groove;42, sleeve;421, observation slot;6, air cylinder;7, servo motor. DETAILED DESCRIPTION

[0021] In order to further understand the characteristics, technical means and specific purposes and functions achieved by the present application, the present application will be described in further detail below in conjunction with the drawings and specific embodiments.

[0022] Referring to Figures 1-7As shown in the figure, a rivet feeding mechanism for riveting assembly includes a magazine 1, a rotating feeding mechanism 2 arranged on the magazine 1, a poking mechanism 3 arranged in the magazine 1, and a spiral feeding mechanism 4 arranged on the magazine 1. The bottom of the magazine 1 is provided with a tapered guide groove 11. The rotating feeding mechanism 2 includes a rotating drum 21 mounted on the inner side of the magazine 1. A plurality of feeding plates 22 are fixed on the inner wall of the rotating drum 21 at equal intervals around the central axis. The spiral feeding mechanism 4 includes a feeding rod 41 horizontally mounted in the magazine 1. The central axis of the feeding rod 41 coincides with the central axis of the rotating drum 21. One end of the feeding rod 41 can extend out of the inside of the magazine 1. A first straight groove 411 is longitudinally arranged at one end of the feeding rod 41 inside the magazine 1. A second straight groove 413 is arranged at the end of the feeding rod 41 away from the first straight groove 411. A spiral groove 412 is arranged on the feeding rod 41 around the central axis. The two ends of the spiral groove 412 are in communication with the first straight groove 411 and the second straight groove 413, respectively. A sleeve 42 is arranged on the outside of the feeding rod 41 to prevent the rivet from falling off. A gas cylinder 6 is horizontally fixed on the outer wall of one side of the magazine 1. The output end of the gas cylinder 6 can extend into the first straight groove 411 and push the rivet.

[0023] The workpiece is placed in the magazine 1. The workpiece gradually enters the rotating drum 21 along the tapered guide groove 11 at the bottom of the magazine 1. Then the rotating drum 21 is rotated to drive the feeding plate 22 to rotate synchronously. The feeding plate 22 rotates to drive the workpiece to move upward. When the feeding plate 22 rotates to the above of the feeding rod 41, the feeding plate 22 at this time is in an inclined posture, so that the workpiece on the feeding plate 22 falls into the first straight groove 411. Then the gas cylinder 6 is started to drive the output end to perform extension and retraction actions, thereby pushing the workpiece in the first straight groove 411 to move. When the workpiece enters the spiral groove 412 from the first straight groove 411, the spiral groove 412 is used to rotate the workpiece by 180 degrees. The problem that the rivet feeding mechanism cannot adjust the workpiece by 180 degrees is solved.

[0024] As shown in Figure 1 , Figure 2 and Figure 7 , the poking mechanism 3 includes a mounting shaft 31. The two ends of the mounting shaft 31 are rotatably mounted on the inner wall of the magazine 1 and horizontally suspended above the feeding rod 41. The mounting shaft 31 is fixed with a poking plate 33 capable of sweeping off the excess workpieces on the feeding rod 41.

[0025] By fixing the poking plate 33 on the mounting shaft 31, when the mounting shaft 31 rotates, the mounting shaft 31 drives the poking plate 33 to reciprocate around the central axis of the mounting shaft 31. The bottom of the poking plate 33 sweeps off the workpieces on the top of the feeding rod 41. Thus, the workpieces are prevented from accumulating on the top of the feeding rod 41.

[0026] As shown in Figure 1 ,Figure 2 , Figure 3 and Figure 7 As shown, a lever plate 32 is fixed at one end of the mounting shaft 31; lever blocks 23 that actuate the lever plate 32 are fixed at equal intervals around the central axis on the outer wall of the roller 21.

[0027] When the roller 21 rotates, the roller 21 will drive the dial block 23 to rotate synchronously. At this time, the dial block 23 will gradually approach the dial plate 32. When the dial block 23 contacts the dial plate 32, the dial block 23 will push the dial plate 32, which will cause the dial plate 32 to drive the mounting shaft 31 to rotate.

[0028] See Figure 7 As shown, a counterweight 34 that can reset the material feeding plate 33 is fixed on one side.

[0029] To reset the material feeding plate 33, a counterweight 34 is fixed below one side of the material feeding plate 33. The weight of the counterweight 34 itself can drive the material feeding plate 33 back to its initial state.

[0030] See Figure 2 and Figure 3 As shown, a toothed belt 24 is also provided on the outer wall of the roller 21; a servo motor 7 is fixed on the outer wall of the material box 1, and a gear 25 is fixed on the output end of the servo motor 7, which meshes with the toothed belt 24.

[0031] To achieve effective rotation of the drum 21, a toothed belt 24 is fixed to the outer wall of the drum 21. Then, the servo motor 7 is started, which drives the gear 25 at the output end to rotate. When the gear 25 rotates, it drives the toothed belt 24 that meshes with it, thereby causing the toothed belt 24 to drive the drum 21 to rotate axially.

[0032] See Figure 5 As shown, a spiral observation groove 421 is provided on the outer wall of the sleeve 42 around its central axis.

[0033] By opening an observation groove 421 on the sleeve 42, the feeding mechanism can observe the movement of the internal rivets through the observation groove 421 during the feeding process.

[0034] The above embodiments only illustrate one or more implementations of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. A rivet feeding mechanism for riveting assembly, comprising a material box (1), a rotary feeding mechanism (2) disposed on the material box (1), a feeding mechanism (3) disposed within the material box (1), and a screw conveying mechanism (4) disposed on the material box (1), characterized in that, The bottom of the material box (1) is provided with a conical guide groove (11); the rotary feeding mechanism (2) includes a rotatable roller (21) installed inside the material box (1), and several feeding plates (22) are fixed at equal intervals around its central axis on the inner wall of the roller (21); the screw conveying mechanism (4) includes a feeding rod (41) installed horizontally inside the material box (1), the central axis of the feeding rod (41) coincides with the central axis of the rotating roller (21), one end of the feeding rod (41) can extend out of the interior of the material box (1), and the end of the feeding rod (41) inside the material box (1) is longitudinally A first straight groove (411) is provided, and a second straight groove (413) is provided at the end of the feeding rod (41) away from the first straight groove (411). A spiral groove (412) is also provided on the feeding rod (41) and spiral groove (412) that rotates around its central axis. The two ends of the spiral groove (412) are connected to the first straight groove (411) and the second straight groove (413) respectively. A sleeve (42) for preventing the rivet from falling off is provided on the outside of the feeding rod (41). A cylinder (6) is horizontally fixed on the outer wall of one side of the material box (1). The output end of the cylinder (6) can extend into the first straight groove (411) and push the rivet.

2. The rivet feeding mechanism for riveting assembly according to claim 1, characterized in that, The feeding mechanism (3) includes a mounting shaft (31), both ends of which are rotatably mounted on the inner wall of the material box (1) and horizontally suspended above the feeding rod (41). A feeding plate (33) with the ability to sweep off excess workpieces on the feeding rod (41) is fixed on the mounting shaft (31).

3. A rivet feeding mechanism for riveting assembly according to claim 2, characterized in that, One end of the mounting shaft (31) is fixed with a lever plate (32); the outer wall of the roller (21) is fixed with lever blocks (23) that move the lever plate (32) at equal intervals around its central axis.

4. A rivet feeding mechanism for riveting assembly according to claim 2, characterized in that, One side of the feed plate (33) is fixed with a counterweight (34) that enables it to be reset.

5. A rivet feeding mechanism for riveting assembly according to claim 1, characterized in that, A toothed belt (24) is also provided on the outer wall of the roller (21); a servo motor (7) is fixed on the outer wall of the hopper (1), and a gear (25) is fixed at the output end of the servo motor (7), and the gear (25) meshes with the toothed belt (24).

6. A rivet feeding mechanism for riveting assembly according to claim 1, characterized in that, A spiral observation groove (421) is provided on the outer wall of the sleeve (42) around its central axis.

Images