Air distribution chain wheel spin riveting equipment

Abstract

The invention discloses air distribution chain wheel spin riveting equipment, and relates to the technical field of electromechanics, servo spin riveting and pneumatic-hydraulic pressure cylinder press fitting and pneumatics. The machine comprises a case, an equipment table, a feeding system, a station switching mechanism, a pressure reduction rocker arm and rocker arm pin press-fitting system, a positioning system and a spin riveting mechanism. The equipment table is fixedly installed on the machine box, and the feeding system, the station switching mechanism, the pressure reduction rocker arm and rocker arm pin press-fitting system, the positioning system and the spin riveting mechanism are assembled on the upper surface of the equipment table. The feeding system is used for vibration feeding of a pressure reducing rocker arm and a rocker arm pin; according to the automatic assembling and spin-riveting machine, the electromechanical automation technology and the pneumatic technology are combined, automatic feeding and spin-riveting of related components of the pressure-reducing air distribution chain wheel are achieved, so that the assembling and spin-riveting efficiency is improved, potential safety hazards are eliminated, and the production operation environment is improved; the assembly operation intensity of the motorcycle engine pressure-reducing gas distribution chain wheel is reduced, and the assembly labor cost of the pressure-reducing gas distribution chain wheel is reduced.

Description

Technical Field

[0001] The invention relates to the fields of electromechanical, servo riveting, gas-liquid booster cylinder press-fitting and pneumatic technology, in particular to a gas distribution sprocket riveting device. Background Art

[0002] A motorcycle engine is a machine that ignites the fuel mixture entering the cylinder and converts the heat energy generated by its combustion into mechanical energy, and then transmits the power to the rear wheel of the motorcycle through the transmission mechanism through the crankshaft to convert it into the driving power of the vehicle. The assembly of motorcycle engines is generally divided into the assembly of cylinder block and crankshaft, the assembly of piston and connecting rod, the assembly of pressure reducing rocker arm and valve sprocket, the assembly of cylinder head, the assembly of lubrication structure, the assembly of cooling system and the assembly of ignition and fuel supply system; In the motorcycle assembly and production process, the assembly and riveting process of the decompression valve sprocket of the straddle engine is cumbersome and requires two operators to complete. With the development and upgrade of motorcycles, the subsequent scooters also need to be upgraded and matched to add a decompression valve sprocket system, which leads to low assembly efficiency of the decompression valve sprocket of the engine, and the high-speed riveting operation of the decompression valve sprocket has great safety hazards and high labor costs. In view of the above problems, the inventor proposes a gas distribution sprocket riveting device to solve the above problems. Summary of the invention

[0003] In order to solve the above problems, the purpose of the present invention is to provide a gas distribution sprocket riveting device.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions: a gas distribution sprocket spin riveting device, the spin riveting device includes a chassis, an equipment table, a feeding system, a station switching mechanism, a pressure reducing rocker arm and a rocker arm pin press-fitting system, a positioning system and a spin riveting mechanism; The equipment table is fixedly mounted on the chassis, and the feeding system, station switching mechanism, pressure reducing rocker arm and rocker arm pin press-fitting system, positioning system and riveting mechanism are assembled on the upper surface of the equipment table; The feeding system is used for vibratory feeding of the pressure reducing rocker arm and the rocker arm pin, the station switching mechanism is used for multi-station conveying of the pressure reducing rocker arm and the rocker arm pin, the pressure reducing rocker arm and the rocker arm pin press-fitting system is used for the combination and automatic press-fitting of the pressure reducing rocker arm and the rocker arm pin, the positioning system is used for clamping and positioning of the pressure reducing rocker arm, the rocker arm pin and the valve sprocket, and the riveting mechanism is used for automatic riveting of the pressure reducing rocker arm, the rocker arm pin and the valve sprocket.

[0005] Preferably, the feeding system comprises a decompression rocker arm discharge vibration plate, a feeding channel and a decompression rocker arm pin feeding unit, the decompression rocker arm discharge vibration plate and the feeding channel are used for vibration feeding of the decompression rocker arm, and the decompression rocker arm pin feeding unit is used for vibration feeding of the rocker arm pin.

[0006] Preferably, the station switching mechanism includes a first frame plate, a first blocking cylinder, a first receiving platform, a second frame plate, a motor, a lead screw, a first sliding seat, a second receiving platform, a second cylinder, a second sliding seat, a first cylinder and a manipulator; The first material receiving platform corresponds horizontally to one end of the material feeding channel; The first frame plate, the second frame plate and the second cylinder are mounted on the equipment table, the first electric cylinder is mounted on one side of the first frame plate, the first receiving platform is slidably mounted on the first frame plate, and the slider of the first electric cylinder is fixedly connected to one side of the first receiving platform; The motor is mounted on the second frame plate, the lead screw is rotatably mounted on the second frame plate, the drive output end of the motor is transmission-connected to one end of the lead screw via a pulley, the lead screw passes through the first sliding seat and is threadedly connected to the first sliding seat, the second receiving platform is slidably mounted on the second frame plate, and one side of the first sliding seat is fixedly connected to one side of the second receiving platform; The slider of the second cylinder is fixedly connected to one side of the second sliding seat, the first cylinder is assembled on the second sliding seat, and a manipulator is fixedly installed on the piston end of the first cylinder.

[0007] Preferably, the pressure reducing rocker arm and rocker arm pin press-fitting system comprises a first machine base, a second gas-liquid booster cylinder, a pressure head tooling, a fixed base, a third cylinder, a third sliding base, two clamps and a feed channel; The first machine base is mounted on the upper surface of the equipment table, the second gas-liquid booster cylinder is mounted on the first machine base, and one end of the pressure head tooling is fixedly connected to the piston end of the second gas-liquid booster cylinder; The fixed seat is fixedly installed on one side of the first machine base, the third cylinder is fixedly installed on the lower surface of the fixed seat, the third sliding seat and the slider of the third cylinder are fixedly connected, the two clamps are rotatably installed on one side of the third sliding seat through a return spring, and the feed channel is assembled on the upper surface of the fixed seat and is located above the two clamps.

[0008] Preferably, the positioning system comprises a third frame plate, a slide, a rotary riveting positioning die seat, a first rotary servo tooling and a third rotary riveting slide cylinder; The third frame plate is fixedly mounted on the equipment table, the slide is slidably mounted on the third frame plate, the rotary riveting positioning die base is assembled on the upper surface of the slide, the first rotary servo tooling is assembled on the lower surface of the slide, the first rotary servo tooling is transmission-connected to the rotary riveting positioning die base, the third rotary riveting slide cylinder is fixedly mounted on the upper surface of the third frame plate, and the piston end of the third rotary riveting slide cylinder is fixedly connected to one side of the slide.

[0009] Preferably, the rotary riveting mechanism comprises a second machine base, a second rotary riveting servo tooling and a rotary riveting press head; The second machine base is fixedly mounted on the upper surface of the equipment table, the second rotary riveting servo tool is assembled on the second machine base, and the second rotary riveting servo tool is transmission-connected to the rotary riveting press head.

[0010] Preferably, the rotary riveting mechanism further comprises a visual inspection unit, which is assembled on one side of the second machine base and located above the rotary riveting positioning die base.

[0011] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the electromechanical automation technology and the pneumatic technology are combined to automatically load and rivet the parts related to the pressure reducing valve sprocket, so as to improve the assembly and riveting efficiency, eliminate safety hazards, and improve the production environment; 2. In the present invention, the electromechanical automation technology and the pneumatic technology are combined to reduce the assembly work intensity of the motorcycle engine decompression valve sprocket and reduce the assembly labor cost of the decompression valve sprocket. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 The present invention is a schematic diagram of the overall structure of a gas distribution sprocket riveting device.

[0014] Figure 2 It is a structural schematic diagram of the feeding system, station switching mechanism, pressure reducing rocker arm and rocker arm pin press-fitting system, positioning system and riveting mechanism of the present invention.

[0015] Figure 3 It is a structural schematic diagram of the positioning system of the present invention.

[0016] Figure 4 It is a structural schematic diagram of the feeding system, the station switching mechanism, the pressure reducing rocker arm and the rocker arm pin press-fitting system of the present invention.

[0017] Figure 5 It is a schematic diagram of the composition structure of the pressure reducing rocker arm and rocker arm pin press-fitting system of the present invention.

[0018] Figure 6 It is a schematic structural diagram of the clamp of the present invention.

[0019] Figure 7It is a structural schematic diagram of the positioning system and the rotary riveting mechanism of the present invention.

[0020] In the figure: 1, chassis; 11, equipment table; 2, feeding system; 3, station switching mechanism; 5, pressure reducing rocker arm and rocker arm pin press-fitting system; 6, positioning system; 7, riveting mechanism; 21, pressure reducing rocker arm discharge vibration plate; 22, feeding channel; 23, pressure reducing rocker arm pin feeding unit; 31, first frame plate; 32, first blocking cylinder; 33, first receiving platform; 34, second frame plate; 35, motor; 36, lead screw; 37, first sliding seat; 38, second receiving platform; 39, second cylinder; 4, first Second sliding seat; 41, first cylinder; 42, manipulator; 51, first machine base; 52, second gas-liquid booster cylinder; 53, pressure head tooling; 54, fixed seat; 55, third cylinder; 56, third sliding seat; 57, clamp; 58, feed channel; 61, third frame plate; 62, slide; 63, rotary riveting positioning die base; 64, first rotary servo tooling; 65, third rotary riveting slide cylinder; 71, second machine base; 72, visual inspection unit; 73, second rotary riveting servo tooling; 74, rotary riveting pressure head. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Example: Figure 1-7 As shown, the present invention provides a riveting device for a gas distribution sprocket, the riveting device comprising a chassis 1, an equipment table 11, a feeding system 2, a station switching mechanism 3, a pressure reducing rocker arm and a rocker arm pin press-fitting system 5, a positioning system 6 and a riveting mechanism 7; The equipment table 11 is fixedly mounted on the chassis 1, and the feeding system 2, the station switching mechanism 3, the pressure reducing rocker arm and the rocker arm pin press-fitting system 5, the positioning system 6 and the riveting mechanism 7 are assembled on the upper surface of the equipment table 11; The feeding system 2 is used for vibratory feeding of the decompression rocker arm and the rocker arm pin, the station switching mechanism 3 is used for multi-station transportation of the decompression rocker arm and the rocker arm pin, the decompression rocker arm and the rocker arm pin pressing system 5 is used for the combination and automatic pressing of the decompression rocker arm and the rocker arm pin, the positioning system 6 is used for clamping and positioning of the decompression rocker arm, the rocker arm pin and the valve sprocket, and the riveting mechanism 7 is used for automatic riveting of the decompression rocker arm, the rocker arm pin and the valve sprocket.

[0023] The feeding system 2 includes a pressure reducing rocker arm discharge vibration disk 21, a feeding channel 22 and a pressure reducing rocker arm pin feeding unit 23. The pressure reducing rocker arm discharge vibration disk 21 and the feeding channel 22 are used for the vibration feeding of the pressure reducing rocker arm. A blocking cylinder is arranged at the outlet of the feeding channel 22 to separate batches of pressure reducing rocker arms. A pushing cylinder is used for driving and positioning to provide position positioning for subsequent grabbing by the manipulator 42. The pressure reducing rocker arm pin feeding unit 23 is used for the vibration feeding of the rocker arm pin. The pressure reducing rocker arm pin feeding unit 23 adopts an air-blowing roller feeding mechanism, which is integrated by the direct vibration machine dividing mechanism, and cooperates with an external pipeline to transport and feed the rocker arm pin.

[0024] The station switching mechanism 3 includes a first frame plate 31, a first blocking cylinder 32, a first receiving platform 33, a second frame plate 34, a motor 35, a lead screw 36, a first sliding seat 37, a second receiving platform 38, a second cylinder 39, a second sliding seat 4, a first cylinder 41 and a manipulator 42; The first receiving platform 33 corresponds horizontally to one end of the feeding channel 22, and the decompression rocker arm on the feeding channel 22 can be horizontally moved to the first receiving platform 33; The first frame plate 31, the second frame plate 34 and the second cylinder 39 are mounted on the equipment table 11, the first blocking cylinder 32 is mounted on one side of the first frame plate 31, the first receiving platform 33 is slidably mounted on the first frame plate 31, the slider of the first blocking cylinder 32 is fixedly connected to one side of the first receiving platform 33, and the first blocking cylinder 32 can make the first receiving platform 33 move horizontally for the manipulator 42 to grab the decompression rocker arm; The motor 35 is mounted on the second frame plate 34, the lead screw 36 is rotatably mounted on the second frame plate 34, the driving output end of the motor 35 is connected to one end of the lead screw 36 through a pulley, the lead screw 36 passes through the first sliding seat 37 and is threadedly connected to the first sliding seat 37, the second receiving platform 38 is slidably mounted on the second frame plate 34, one side of the first sliding seat 37 is fixedly connected to one side of the second receiving platform 38, the motor 35 can rotate the lead screw 36, the lead screw 36 can horizontally move the second receiving platform 38 through the first sliding seat 37, and the second receiving platform 38 can transfer the decompression rocker arm; The slider of the second cylinder 39 is fixedly connected to one side of the second sliding seat 4, the first cylinder 41 is assembled on the second sliding seat 4, and a manipulator 42 is fixedly installed on the piston end of the first cylinder 41. The first cylinder 41 can move the manipulator 42 horizontally through the second sliding seat 4, and the manipulator 42 can grab the decompression rocker arm on the second material receiving table 38.

[0025] The pressure reducing rocker arm and rocker arm pin press-fitting system 5 comprises a first machine base 51, a second gas-liquid booster cylinder 52, a pressure head fixture 53, a fixed seat 54, a third cylinder 55, a third sliding seat 56, two clamps 57 and a feed channel 58. When one end of the external pipeline is connected to the discharge port of the pressure reducing rocker arm pin feeding unit 23 and the other end is connected to the feed channel 58, the pressure reducing rocker arm pin feeding unit 23 can transport the rocker arm pin to the semicircular gap between the two clamps 57 through the external pipeline and the feed channel 58. The second gas-liquid booster cylinder 52 can make the pressure head fixture 53 drop vertically, and the pressure head fixture 53 can press-fit the rocker arm pin onto the pressure reducing rocker arm on the second receiving platform 38. The third cylinder 55 can make the two clamps 57 staggered or vertically corresponding to the pressure head fixture 53 through the third sliding seat 56. The first machine base 51 is mounted on the upper surface of the equipment table 11, the second gas-liquid booster cylinder 52 is mounted on the first machine base 51, and one end of the pressure head fixture 53 is fixedly connected to the piston end of the second gas-liquid booster cylinder 52; The fixed seat 54 is fixedly installed on one side of the first machine base 51, the third cylinder 55 is fixedly installed on the lower surface of the fixed seat 54, the third sliding seat 56 and the slider of the third cylinder 55 are fixedly connected, the two clamps 57 are rotatably installed on one side of the third sliding seat 56 through a return spring, and the feed channel 58 is assembled on the upper surface of the fixed seat 54 and is located above the two clamps 57.

[0026] The positioning system 6 includes a third frame plate 61, a slide 62, a rotary riveting positioning die base 63, a first rotary servo tool 64 and a third rotary riveting slide cylinder 65; The third frame plate 61 is fixedly mounted on the equipment table 11, the slide 62 is slidably mounted on the third frame plate 61, the rivet positioning die seat 63 is assembled on the upper surface of the slide 62, the first rotary servo tooling 64 is assembled on the lower surface of the slide 62, the first rotary servo tooling 64 and the rivet positioning die seat 63 are transmission connected, the first rotary servo tooling 64 can control the lifting and lowering of the pressure block on the rivet positioning die seat 63, the lifting and lowering of the pressure block can clamp the gas distribution sprocket and the decompression rocker arm, the third rivet slide cylinder 65 is fixedly mounted on the upper surface of the third frame plate 61, the piston end of the third rivet slide cylinder 65 is fixedly connected to one side of the slide 62, the third rivet slide cylinder 65 can control the slide 62 to slide horizontally, thereby making the rivet positioning die seat 63, the gas distribution sprocket and the decompression rocker arm move horizontally.

[0027] The rotary riveting mechanism 7 includes a second machine base 71, a second rotary riveting servo tool 73 and a rotary riveting press head 74; The second machine base 71 is fixedly installed on the upper surface of the equipment table 11, and the second riveting servo tooling 73 is assembled on the second machine base 71. The second riveting servo tooling 73 is transmission-connected with the riveting head 74. When the riveting positioning die base 63 moves horizontally to the bottom of the riveting head 74, the riveting head 74 can rivet the pressure reducing rocker arm assembly onto the valve sprocket.

[0028] The rotary riveting mechanism 7 also includes a visual inspection unit 72, which is assembled on one side of the second machine base 71. The visual inspection unit 72 is composed of a camera, a lens, a light source, an industrial computer and algorithm software, and is located above the rotary riveting positioning die base 63. When the rotary riveting positioning die base 63 moves horizontally to the bottom of the visual inspection unit 72, the visual inspection unit 72 can inspect the assembly condition of the assembled valve sprocket.

[0029] Working principle: When the valve sprocket in the motorcycle engine assembly process needs to be riveted and assembled, the operator first assembles one end of the external pipe at the discharge port of the pressure reducing rocker arm pin feeding unit 23, and assembles the other end of the external pipe at the upper end of the feed channel 58; Subsequently, the decompression rocker arm is vibrated and discharged through the decompression rocker arm discharge vibration plate 21 and the feeding channel 22, and the batch of decompression rocker arms moves horizontally along the feeding channel 22 toward one side of the first receiving platform 33. When a single decompression rocker arm moves horizontally to the upper surface of the first receiving platform 33, the first blocking cylinder 32 is started, and the slider of the first blocking cylinder 32 slides horizontally to make the first receiving platform 33 move horizontally. The first receiving platform 33 drives the single decompression rocker arm to move horizontally synchronously, and then the second cylinder 39 and the first cylinder 41 are started respectively, and the slider of the second cylinder 39 makes the first cylinder 41 and the manipulator 42 move horizontally through the second sliding seat 4. The piston end of the first cylinder 41 extends, pushing the manipulator 42 to descend vertically, the manipulator 42 opens, clamps the decompression rocker arm on the first receiving platform 33, and then reverses the operation to transfer the clamped decompression rocker arm to the upper surface of the second receiving platform 38, and starts the manipulator 42 again, the manipulator 42 releases the clamping of the decompression rocker arm, the decompression rocker arm falls on the second receiving platform 38, and then starts the motor 35 again, the driving shaft of the motor 35 rotates the lead screw 36 through the synchronous wheel, the lead screw 36 moves the second receiving platform 38 horizontally through the first sliding seat 37, and the second receiving platform 38 transfers the decompression rocker arm to the bottom of the pressure head fixture 53; At this time, the pressure reducing rocker arm pin feeding unit 23 is started, and the pressure reducing rocker arm pin feeding unit 23 delivers the rocker arm pin to the semicircular gap between the two clamps 57 through the external pipeline and the feeding channel 58, and then the second gas-liquid booster cylinder 52 is started, and the piston end of the second gas-liquid booster cylinder 52 extends, pushing the pressure head tooling 53 down, and the pressure head tooling 53 presses the rocker arm pin into the pin hole of the pressure reducing rocker arm. In this process, the two clamps 57 automatically flip open, and when the pressure head tooling 53 rises and resets, the reset springs on the two clamps 57 cause the two clamps 57 to flip and reset in the opposite direction; Subsequently, the second receiving platform 38 is horizontally moved to transfer the press-fitted pressure-reducing rocker arm and rocker arm pin to one side of the slide 62, so that the press-fitted pressure-reducing rocker arm and rocker arm pin are staggered with the pressure head tooling 53, and then the operator puts the pressure reducing valve torsion spring, pressure reducing balance block and balance pin on the gas distribution sprocket, and then places the gas distribution sprocket on the riveting positioning die seat 63, and then places the press-fitted pressure-reducing rocker arm and rocker arm pin on the gas distribution sprocket; Then, the first rotary servo tool 64 is started, and the riveting positioning die seat 63 clamps the press-fitted gas distribution sprocket and the decompression rocker arm, and then the third riveting slide cylinder 65 is started, and the piston end of the third riveting slide cylinder 65 is contracted, so that the slide 62 moves horizontally to the bottom of the riveting press head 74, and the second riveting servo tool 73 controls the riveting press head 74 to descend and rotate, and the decompression rocker arm assembly is riveted on the gas distribution sprocket, that is, the automatic riveting assembly of the gas distribution sprocket is completed; Finally, the slide 62 is controlled to be staggered with the riveting head 74 and vertically correspond to the visual inspection unit 72, and the visual inspection unit 72 completes the assembly inspection of the valve sprocket.

[0030] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A gas distribution sprocket riveting device, characterized in that: The rotary riveting equipment comprises a chassis (1), an equipment table (11), a feeding system (2), a workstation switching mechanism (3), a pressure reducing rocker arm and rocker arm pin press-fitting system (5), a positioning system (6) and a rotary riveting mechanism (7); The equipment table (11) is fixedly mounted on the chassis (1), and the feeding system (2), the station switching mechanism (3), the pressure reducing rocker arm and the rocker arm pin press-fitting system (5), the positioning system (6) and the riveting mechanism (7) are assembled on the upper surface of the equipment table (11); The feeding system (2) is used for vibratory feeding of the pressure reducing rocker arm and the rocker arm pin, the station switching mechanism (3) is used for multi-station conveying of the pressure reducing rocker arm and the rocker arm pin, the pressure reducing rocker arm and the rocker arm pin press-fitting system (5) is used for the assembly and automatic press-fitting of the pressure reducing rocker arm and the rocker arm pin, the positioning system (6) is used for clamping and positioning the pressure reducing rocker arm, the rocker arm pin and the valve sprocket, and the riveting mechanism (7) is used for automatic riveting of the pressure reducing rocker arm, the rocker arm pin and the valve sprocket.

2. A gas distribution sprocket riveting device as claimed in claim 1, characterized in that: The feeding system (2) comprises a pressure reducing rocker arm discharge vibration plate (21), a feeding channel (22) and a pressure reducing rocker arm pin feeding unit (23); the pressure reducing rocker arm discharge vibration plate (21) and the feeding channel (22) are used for vibrating feeding of the pressure reducing rocker arm, and the pressure reducing rocker arm pin feeding unit (23) is used for vibrating feeding of the rocker arm pin.

3. A gas distribution sprocket riveting device as claimed in claim 2, characterized in that: The workstation switching mechanism (3) comprises a first frame plate (31), a first blocking cylinder (32), a first material receiving platform (33), a second frame plate (34), a motor (35), a lead screw (36), a first sliding seat (37), a second material receiving platform (38), a second cylinder (39), a second sliding seat (4), a first cylinder (41) and a manipulator (42); The first material receiving platform (33) corresponds horizontally to one end of the material feeding channel (22); The first frame plate (31), the second frame plate (34) and the second cylinder (39) are mounted on the equipment platform (11); the first blocking cylinder (32) is mounted on one side of the first frame plate (31); the first material receiving platform (33) is slidably mounted on the first frame plate (31); and the slider of the first blocking cylinder (32) is fixedly connected to one side of the first material receiving platform (33); The motor (35) is mounted on the second frame plate (34), the lead screw (36) is rotatably mounted on the second frame plate (34), the drive output end of the motor (35) is transmission-connected to one end of the lead screw (36) via a pulley, the lead screw (36) passes through the first sliding seat (37) and is threadedly connected to the first sliding seat (37), the second material receiving platform (38) is slidably mounted on the second frame plate (34), and one side of the first sliding seat (37) is fixedly connected to one side of the second material receiving platform (38); The slide block of the second cylinder (39) is fixedly connected to one side of the second sliding seat (4), the first cylinder (41) is mounted on the second sliding seat (4), and a manipulator (42) is fixedly mounted on the piston end of the first cylinder (41).

4. The riveting equipment for gas distribution sprockets as claimed in claim 1, characterized in that: The pressure-reducing rocker arm and rocker arm pin press-fitting system (5) comprises a first machine base (51), a second gas-liquid booster cylinder (52), a press head tooling (53), a fixed base (54), a third cylinder (55), a third sliding base (56), two clamps (57) and a feed channel (58); The first machine base (51) is mounted on the upper surface of the equipment table (11), the second gas-liquid booster cylinder (52) is mounted on the first machine base (51), and one end of the pressure head tooling (53) is fixedly connected to the piston end of the second gas-liquid booster cylinder (52); The fixed seat (54) is fixedly mounted on one side of the first machine base (51); the third cylinder (55) is fixedly mounted on the lower surface of the fixed seat (54); the third sliding seat (56) and the slider of the third cylinder (55) are fixedly connected; the two clamps (57) are rotatably mounted on one side of the third sliding seat (56) via a return spring; and the feed channel (58) is assembled on the upper surface of the fixed seat (54) and is located above the two clamps (57).

5. The riveting equipment for gas distribution sprockets as claimed in claim 1, characterized in that: The positioning system (6) comprises a third frame plate (61), a slide table (62), a rotary riveting positioning die base (63), a first rotary servo tooling (64) and a third rotary riveting slide table cylinder (65); The third frame plate (61) is fixedly mounted on the equipment table (11); the slide (62) is slidably mounted on the third frame plate (61); the rotary riveting positioning die seat (63) is mounted on the upper surface of the slide (62); the first rotary servo tool (64) is mounted on the lower surface of the slide (62); the first rotary servo tool (64) and the rotary riveting positioning die seat (63) are transmission-connected; the third rotary riveting slide cylinder (65) is fixedly mounted on the upper surface of the third frame plate (61); and a piston end of the third rotary riveting slide cylinder (65) is fixedly connected to one side of the slide (62).

6. A riveting device for a gas distribution sprocket as claimed in claim 5, characterized in that: The rotary riveting mechanism (7) comprises a second machine base (71), a second rotary riveting servo tool (73) and a rotary riveting press head (74); The second machine base (71) is fixedly mounted on the upper surface of the equipment table (11); the second rotary riveting servo tool (73) is assembled on the second machine base (71); and the second rotary riveting servo tool (73) is transmission-connected to the rotary riveting press head (74).

7. A riveting device for a gas distribution sprocket as claimed in claim 6, characterized in that: The rotary riveting mechanism (7) further comprises a visual inspection unit (72), wherein the visual inspection unit (72) is mounted on one side of the second machine base (71) and is located above the rotary riveting positioning die base (63).

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