Servo spin riveting machine head

Abstract

The utility model discloses a servo spin riveting machine head which comprises a spin riveting machine base, a spin riveting head protective cover is arranged on one side of the spin riveting machine base, a riveting servo motor is arranged on the other side of the spin riveting head protective cover, a speed reducer is arranged at one end of the riveting servo motor, a motor base is arranged on one side of the spin riveting machine base, and a ball screw is arranged in the motor base. The ball screw is connected with the speed reducer through a first coupler, a nut connecting base is arranged on the ball screw, a sensor fixing block is arranged on one side of the nut connecting base, a pressure sensor is arranged on one side of the sensor fixing block, a sliding plate is further arranged on one side of the sensor fixing block, and a spin riveting mechanism is arranged on the sliding plate. According to the rotary riveting device, the pressure and the displacement curve can be displayed, the rotary riveting displacement, the rotary riveting speed and the rotary riveting pressure can be accurately set, the rotary riveting precision is guaranteed, the height and the angle of the rotary riveting die can be accurately controlled, and the rotary riveting precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to riveting technical field, concretely relates to a kind of servo riveting machine head. BACKGROUND

[0002] Riveting machine is using stamping machine equipment and special connecting mould through one momentary high pressure processing process, according to the cold extrusion deformation of the material of plate part itself, form a certain tensile and shear strength without stress concentration internal inlay round dot, it can connect two or more layers of plate parts of different material and different thickness, and riveting machine head is riveting execution mechanism in riveting machine.

[0003] The existing hydraulic drive and compressed air driven riveting machine head is composed of base, stand, lifting platform, screw rod, hand wheel, power seat, piston, riveting inner shaft, gear ring, end cover, adjusting nut, die holder, spring, spring cover, motor, shaft coupling, bearing, hydraulic system or pneumatic system, and its action sequence is that motor drives riveting inner shaft, die holder and riveting die to make radial rotary motion in gear ring through shaft coupling, high-pressure oil or compressed air pushes piston and riveting shaft to move down for riveting, and piston returns after hitting adjusting nut.

[0004] The existing riveting machine head cannot set displacement because it is not configured with pressure sensor and displacement gauge, and riveting speed cannot be controlled, so that riveting precision cannot meet the requirement, and the quality of riveted product cannot be guaranteed, so we propose a kind of servo riveting machine head. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of servo riveting machine head to solve the problem that the existing riveting machine head cannot set displacement because it is not configured with pressure sensor and displacement gauge, and riveting speed cannot be controlled, so that riveting precision cannot meet the requirement, and the quality of riveted product cannot be guaranteed in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of servo riveting machine head, including riveting machine base, the one side of riveting machine base is provided with riveting head shield, the other side of riveting head shield is provided with riveting servo motor, the machine body of riveting machine base is connected with riveting machine by means of key, the one end of riveting servo motor is provided with speed reducer, the one side of riveting machine base is provided with motor seat, the ball screw is provided in motor seat, the ball screw is connected with speed reducer by first shaft coupling, nut connecting seat is provided on the ball screw, the one side of nut connecting seat is provided with sensor fixed block, the one side of sensor fixed block is provided with pressure sensor, the one side of sensor fixed block is also provided with slide plate, and riveting mechanism is provided on the slide plate.

[0007] Preferably, one side of the spin rivet machine base is provided with a linear guide rail, a linear sliding block is arranged on the linear guide rail, and the linear sliding block is arranged on the sliding plate.

[0008] Preferably, the spin rivet mechanism comprises a motor base arranged on one side surface of the sliding plate, a rotary servo motor is arranged on one side of the motor base, and the rotary servo motor is connected with the rotary shaft I through a second coupling.

[0009] Preferably, one end of the rotary shaft I is rotatably arranged in the spin rivet main shaft base arranged on one side of the motor base, the rotary shaft I is connected with the rotary shaft II, one end of the rotary shaft II is connected with the swing shaft, and the rotation direction of the swing shaft can be controlled through the transmission of the rotary shaft I and the rotary shaft II.

[0010] Preferably, a gear ring I is arranged on the swing shaft, the gear ring I is engaged with a gear ring II arranged in the spin rivet main shaft base, and the gear ring II can be driven to rotate through the transmission of the swing shaft and the gear ring I.

[0011] Preferably, the gear ring II is connected with a die base on the lower side, a spin rivet die is arranged in the die base, a spring is arranged on the outer surface of the spin rivet die, a cover body is arranged on the outer side of the spring, the cover body is connected with the spin rivet main shaft base, and the spin rivet die can be driven to rotate.

[0012] Preferably, the spin rivet die is connected with the die base through a knuckle bearing, so that the spin rivet die can rotate in the die base.

[0013] Preferably, a switch support is arranged at the bottom of the linear guide rail, a travel switch is arranged on one side of the switch support, the travel switch senses an induction sheet arranged on one side surface of the sliding plate, and the travel position of the sliding plate can be sensed.

[0014] Compared with the prior art, the application has the following beneficial effects:

[0015] (1) The riveting servo motor drives the spin rivet mechanism, a pressure sensor is arranged between the riveting servo motor and the spin rivet mechanism, the accurate displacement of the riveting servo motor and the feedback data of the pressure sensor are utilized, the pressure and displacement curves can be displayed, the spin rivet displacement, the spin rivet speed and the spin rivet pressure can be accurately set, the spin rivet accuracy is ensured, and the product quality after spin riveting is ensured.

[0016] (2) The riveting servo motor and the rotary servo motor are adopted to accurately control the height and angle of the spin rivet die, and the spin riveting accuracy is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view structure schematic diagram of the utility model;

[0018] Figure 2 It is the section structure schematic diagram of A-A in the utility model;

[0019] Figure 3 It is Figure 2 The enlarged structure schematic diagram of B in the utility model;

[0020] Figure 4 It is the bottom view structure schematic diagram of the utility model;

[0021] In the figure: 1, riveting machine base; 2, bearing seat; 3, linear guide rail; 4, flat key; 5, ball screw; 6, nut connecting seat; 7, motor seat; 8, first coupling; 9, speed reducer; 10, riveting servo motor; 11, riveting head shield; 12, pressure sensor; 13, sensor fixed block; 14, rotary servo motor; 15, sliding plate; 16, second coupling; 17, rotary shaft one; 18, small round nut; 19, washer one; 20, bearing one; 21, locking nut; 22, washer two; 23, bearing two; 24, motor seat; 25, rotary shaft two; 26, riveting main shaft seat; 27, swing shaft; 28, gear ring one; 29, gear ring two; 30, knuckle bearing; 31, cover body; 32, spring; 33, die seat; 34, riveting die; 35, switch support; 36, travel switch; 37, inductive sheet. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0023] Please refer to Figures 1-2The utility model provides a technical scheme: a kind of servo spin riveter head, including spin riveter pedestal 1, spin riveter pedestal 1 one side is provided with spin riveter head shield 11, and spin riveter head shield 11 other side is provided with riveting servo motor 10, and spin riveter pedestal 1 is connected with the body of spin riveter by flat key 4, and riveting servo motor 10 one end is provided with speed reducer 9, and spin riveter pedestal 1 one side is provided with motor seat 7, and motor seat 7 is provided with ball screw 5, and ball screw 5 is connected with speed reducer 9 by first coupling 8, and ball screw 5 other end is rotatably connected with bearing seat 2, and bearing seat 2 is arranged on spin riveter pedestal 1, and nut connecting seat 6 is provided on ball screw 5, and sensor fixed block 13 is provided in nut connecting seat 6 one side, and pressure sensor 12 is provided in sensor fixed block 13 one side, by the arrangement of pressure sensor 12, pressure and displacement curve can be shown, spin riveting displacement, spin riveting speed and spin riveting pressure can be accurately set, sensor fixed block 13 one side is also provided with sliding plate 15, and spin riveting mechanism is provided on sliding plate 15, and the riveting servo motor 10 in the application is connected with servo controller on spin riveter.

[0024] by riveting servo motor 10 through speed reducer 9 drives ball screw 5 rotation, ball screw 5 rotation drives nut connecting seat 6 movement, nut connecting seat 6 movement drives sliding plate 15 movement, sliding plate 15 movement drives spin riveting mechanism movement, and spin riveting mechanism is operated after rotating mechanism moves to spin riveting position, when spin riveting operation, pressure sensor 12 detects spin riveting pressure, simultaneously shows through servo controller, and displacement curve can be shown, spin riveting speed, spin riveting displacement and spin riveting pressure can be detected and set through pressure sensor 12, to greatly improve spin riveting precision, to ensure the quality of product spun riveted

[0025] Further, spin riveter pedestal 1 one side is provided with linear guide 3, and linear guide 3 is provided with linear sliding block, and linear sliding block is provided on sliding plate 15, when nut connecting seat 6 drives sliding plate 15 movement, sliding plate 15 drives linear sliding block movement on linear guide 3, and the movement of sliding block can be guided.

[0026] As a specific embodiment of the present application, please refer to Figures 2-4, the spin riveting mechanism includes a motor seat 24 arranged on one side surface of the sliding plate 15, one side of the motor seat 24 is provided with a rotary servo motor 14, the rotary servo motor 14 is connected with a rotary shaft one 17 through a second shaft coupling 16, the rotary direction of the rotary shaft one 17 can be controlled through the rotary servo motor 14, specifically, the rotary servo motor 14 is connected with a servo controller of the spin riveting machine, one end of the rotary shaft one 17 is rotatably arranged in a spin riveting main shaft seat 26, the spin riveting main shaft seat 26 is arranged on one side of the motor seat 24, specifically, the rotary shaft one 17 is rotatably connected with the spin riveting main shaft seat 26 through a bearing one 20, and a gasket one 19 is arranged at the connection position of the rotary shaft one 17 and the bearing one 20, the gasket one 19 is connected with the rotary shaft one 17 through a small round nut 18, so as to ensure the rotation stability of the rotary shaft one 17, the rotary shaft one 17 is connected with a rotary shaft two 25, specifically, the rotary shaft two 25 is connected with the rotary shaft one 17 through a locking nut 21, a gasket two 22 is arranged at the connection position of the locking nut 21, so as to improve the firmness of the connection between the rotary shaft one 17 and the rotary shaft two 25, the rotary shaft two 25 is rotatably connected with the spin riveting main shaft seat 26 through a bearing two 23, one end of the rotary shaft two 25 is connected with a swing shaft 27, through the transmission of the rotary shaft one 17 and the rotary shaft two 25, the swing shaft 27 can be driven to rotate in a controlled direction.

[0027] A gear ring one 28 is arranged on the swing shaft 27, the gear ring one 28 is engaged with a gear ring two 29, the gear ring two 29 is arranged in the spin riveting main shaft seat 26, through the transmission of the swing shaft 27 and the gear ring one 28, the gear ring two 29 can be driven to rotate, a die seat 33 is connected below the gear ring two 29, a spin riveting die 34 is arranged in the die seat 33, a spring 32 is arranged on the outer surface of the spin riveting die 34, a cover body 31 is arranged outside the spring 32, the cover body 31 is connected with the spin riveting main shaft seat 26, so as to drive the spin riveting die 34 to rotate.

[0028] When the sliding plate 15 drives the spin riveting die 34 to move to a spin riveting position, the rotary servo motor 14 drives the rotary shaft one 17 to rotate, the rotary shaft one 17 drives the rotary shaft two 25 to rotate, the rotary shaft two 25 drives the swing shaft 27 to rotate, the swing shaft 27 drives the gear ring one 28 to rotate, the gear ring one 28 drives the gear ring two 29 to rotate, the gear ring two 29 drives the die seat 33 to rotate, the die seat 33 drives the spin riveting die 34 to rotate, and then the sliding plate 15 moves upward, thereby driving the spin riveting die 34 to move upward, and the spin riveting operation is completed.

[0029] Further, the spin riveting die 34 is connected with the die seat 33 through a knuckle joint bearing 30, so as to enable the spin riveting die 34 to rotate in the die seat 33.

[0030] Further, the linear guide rail 3 bottom is provided with a switch bracket 35, one side of the switch bracket 35 is provided with a travel switch 36, the travel switch 36 inducts an inductive sheet 37, the inductive sheet 37 is arranged on one side surface of the sliding plate 15, when the sliding plate 15 moves downwards, the sliding plate 15 drives the inductive sheet 37 to move, when the inductive sheet 37 moves to the position of the travel switch 36, the travel switch 36 controls the riveting servo motor 10 to stop running, the travel position of the sliding plate 15 can be inducted.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A servo swage head characterized by: The utility model provides a kind of rotary riveting mechanism, including rotary riveting base (1), rotary riveting head cover (11) is provided on one side of the rotary riveting base (1), riveting servo motor (10) is provided on the other side of the rotary riveting head cover (11), the rotary riveting base (1) is connected with the body of rotary riveting machine by flat key (4), the riveting servo motor (10) is provided with speed reducer (9) in one end, the rotary riveting base (1) is provided with motor base (7) on one side, ball screw (5) is provided in the motor base (7), the ball screw (5) is connected with speed reducer (9) by first coupling (8), nut connecting seat (6) is provided on the ball screw (5), sensor fixed block (13) is provided on one side of the nut connecting seat (6), pressure sensor (12) is provided on one side of the sensor fixed block (13), slide plate (15) is also provided on one side of the sensor fixed block (13), and rotary riveting mechanism is provided on the slide plate (15).

2. A servo swage head according to claim 1, wherein: Linear guide rail (3) is provided on one side of the rotary riveting base (1), linear sliding block is provided on the linear guide rail (3), and the linear sliding block is provided on the slide plate (15).

3. A servo swage head according to claim 1 wherein: The rotary riveting mechanism includes motor base (24), the motor base (24) is provided on the surface of one side of the slide plate (15), rotary servo motor (14) is provided on one side of the motor base (24), and the rotary servo motor (14) is connected with rotary shaft one (17) by second coupling (16).

4. A servo swage head according to claim 3, wherein: Rotary shaft one (17) is rotatably arranged in rotary riveting spindle base (26) in one end, and the rotary riveting spindle base (26) is arranged on one side of the motor base (24); rotary shaft one (17) is connected with rotary shaft two (25), and one end of rotary shaft two (25) is connected with swing shaft (27).

5. A servo swage head according to claim 4, wherein: Swing shaft (27) is provided with gear ring one (28), gear ring one (28) is engaged with gear ring two (29), and gear ring two (29) is arranged in rotary riveting spindle base (26).

6. A servo swage head according to claim 5, wherein: Mold base (33) is connected below gear ring two (29), rotary riveting die (34) is arranged in the mold base (33), spring (32) is arranged on the outer surface of the rotary riveting die (34), cover body (31) is arranged outside the spring (32), and the cover body (31) is connected with rotary riveting spindle base (26).

7. A servo swage head according to claim 6, wherein: The rotary riveting die (34) is connected with the mold base (33) by joint bearing (30).

8. A servo swage head according to claim 2, wherein: Switch support (35) is provided at the bottom of the linear guide rail (3), travel switch (36) is provided on one side of the switch support (35), travel switch (36) inducts induction sheet (37), and the induction sheet (37) is arranged on the surface of one side of the slide plate (15).

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