CN109128821B - Automatic assembling system for automobile air inlet rocker arm and exhaust rocker arm on rocker arm shaft - Google Patents
Automatic assembling system for automobile air inlet rocker arm and exhaust rocker arm on rocker arm shaft Download PDFInfo
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- CN109128821B CN109128821B CN201811315819.1A CN201811315819A CN109128821B CN 109128821 B CN109128821 B CN 109128821B CN 201811315819 A CN201811315819 A CN 201811315819A CN 109128821 B CN109128821 B CN 109128821B
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- rocker arm
- pressing
- air inlet
- retainer ring
- feeding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with program control
- B23P21/002—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with program control the units stationary whilst being composed
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Abstract
An automatic assembly system of an automobile air inlet rocker arm and an automobile exhaust rocker arm on a rocker arm shaft comprises a rocker arm circulation conveying line 6, a rocker arm pressing-in station and a retainer ring snap spring assembly station; the rocker arm pressing-in station is provided with an air inlet rocker arm pressing-in mechanism, an exhaust rocker arm pressing-in mechanism, a rocker arm shaft jacking mechanism and a rocker arm shaft pressing-in limiting mechanism, wherein the air inlet rocker arm pressing-in mechanism and the exhaust rocker arm pressing-in mechanism are arranged on two sides of the rocker arm circulating conveying line, and the rocker arm shaft jacking mechanism and the rocker arm shaft pressing-in limiting mechanism are respectively arranged at the bottom and above the rocker arm circulating conveying line; the retainer ring and clamp spring assembly station is provided with an air inlet rocker retainer ring and clamp spring feeding mechanism, an air outlet rocker retainer ring and clamp spring pressing mechanism and an air inlet rocker retainer ring and clamp spring pressing mechanism. The system can automatically and simultaneously load the automobile air inlet rocker arm and the automobile exhaust rocker arm into the rocker arm shaft and automatically mount the clamping springs and the check rings at the two ends, thereby realizing accurate positioning of the positions of all parts required by rocker arm assembly.
Description
Technical Field
The invention relates to equipment for automatically assembling an intake rocker arm and an exhaust rocker arm of an automobile engine valve rocker on a rocker arm shaft, and belongs to the technical field of automobile valve rocker assembly.
Background
The valve rocker of the automobile engine is shown in fig. 1, and comprises an air inlet rocker 03, a rocker shaft 04 and an air outlet rocker 06, wherein the air inlet rocker 03 and the air outlet rocker 06 are respectively arranged on the left side and the right side of the rocker shaft 04, the air inlet rocker 03 is axially positioned through a left check ring 02 and a left clamp spring 01, the air outlet rocker 06 is axially positioned through a right check ring 07 and a right clamp spring 08, and a rocker shaft seat 05 is arranged on the rocker shaft 04. One end of the intake rocker arm 03 and one end of the exhaust rocker arm 06 are provided with adjusting screws 09, locknuts 010 are arranged on the adjusting screws 09, and the other end of the adjusting screws 09 is provided with idler wheels 012 through rolling pins 011, so that an intake rocker arm assembly and an exhaust rocker arm assembly are formed.
At present, an air inlet rocker arm and an air outlet rocker arm of an automobile engine are assembled to a rocker arm shaft, and the work of installing snap spring check rings at two ends of the rocker arm shaft is completed manually, so that the assembly efficiency is low and the precision is poor.
Disclosure of Invention
Aiming at the defects of the prior art that the air inlet rocker arm and the exhaust rocker arm are assembled on the rocker arm shaft, the invention provides an automatic assembly system of the air inlet rocker arm and the exhaust rocker arm of an automobile on the rocker arm shaft, which can realize the full-automatic assembly of the air inlet rocker arm and the exhaust rocker arm of the automobile on the rocker arm shaft, and has high assembly efficiency and high precision.
The invention relates to an automatic assembly system of an automobile air inlet rocker arm and an automobile exhaust rocker arm on a rocker arm shaft, which adopts the following technical scheme:
The device comprises a rocker arm circulating conveying line, wherein a rocker arm pressing-in station and a retainer ring snap spring assembly station are arranged on the rocker arm circulating conveying line;
The rocker arm pressing station is provided with an air inlet rocker arm pressing mechanism, an air outlet rocker arm pressing mechanism, a rocker arm shaft jacking mechanism and a rocker arm shaft pressing limiting mechanism, wherein the air inlet rocker arm pressing mechanism and the air outlet rocker arm pressing mechanism are arranged on two sides of a rocker arm circulation conveying line, the rocker arm shaft jacking mechanism is arranged at the bottom of the rocker arm circulation conveying line, the rocker arm shaft pressing limiting mechanism is arranged above the rocker arm circulation conveying line, the front part of the air inlet rocker arm pressing mechanism is provided with an air inlet rocker arm position limiting tool, and the front part of the air outlet rocker arm pressing mechanism is provided with an air outlet rocker arm position limiting tool;
The air inlet rocker arm clamping spring assembly station is provided with an air inlet rocker arm clamping spring feeding mechanism, an air outlet rocker arm clamping spring pressing mechanism and an air inlet rocker arm clamping spring pressing mechanism, wherein the air outlet rocker arm clamping spring pressing mechanism and the air inlet rocker arm clamping spring pressing mechanism are respectively arranged on two sides of the rocker arm circulating conveying line, the air inlet rocker arm clamping spring feeding mechanism is arranged above the air inlet rocker arm clamping spring pressing mechanism, and the air outlet rocker arm clamping spring feeding mechanism is arranged above the air outlet rocker arm clamping spring pressing mechanism.
The air inlet rocker arm pressing-in mechanism and the air outlet rocker arm pressing-in mechanism adopt the same structure, and the air inlet rocker arm pressing-in mechanism comprises a base, a pressing-in cylinder and a pressing head, wherein the pressing-in cylinder is arranged on the base, and the pressing head is arranged on the base and connected with a piston rod of the pressing-in cylinder.
The rocker shaft jacking mechanism comprises a mounting seat, a jacking cylinder and a jacking seat, wherein the jacking cylinder is mounted on the mounting seat, and the jacking seat is connected with the jacking cylinder.
The clamping spring feeding mechanism of the air inlet rocker arm retainer ring and the clamping spring feeding mechanism of the air outlet rocker arm retainer ring adopt the same structure, and the clamping spring feeding mechanism comprises a clamping spring feeding mechanism, a retainer ring feeding mechanism, a clamping spring pushing space and a retainer ring pushing space, wherein the clamping spring feeding mechanism and the retainer ring feeding mechanism are respectively arranged above the clamping spring pushing space and the pushing space, and one sides of the clamping spring pushing space and the pushing space are respectively provided with a clamping spring pushing mechanism and a retainer ring pushing mechanism. The clamp spring feeding mechanism and the retainer ring feeding mechanism comprise a material column supporting frame and a material column, and the material column is suspended on the material column supporting frame. The clamp spring pushing and feeding space and the retainer ring pushing and feeding space are two layers of space formed among the bottom plate, the material separating plate and the pressing plate which are arranged from bottom to top. The clamping spring pushing mechanism comprises a clamping spring feeding cylinder and a clamping spring feeding push plate, and the clamping spring feeding push plate is positioned in the clamping spring pushing and feeding space and connected with the clamping spring feeding cylinder. The retainer ring pushing mechanism comprises a retainer ring feeding cylinder and a retainer ring feeding push plate, and the retainer ring feeding push plate is positioned in a retainer ring pushing feeding space and connected with the retainer ring feeding cylinder.
The exhaust rocker arm check ring clamp spring pressing-in mechanism and the intake rocker arm check ring clamp spring pressing-in mechanism adopt the same structure, and the exhaust rocker arm check ring clamp spring pressing-in mechanism comprises a base, a pressing-in cylinder and a pressing head, wherein the pressing-in cylinder is arranged on the base, and the pressing head is connected with the pressing-in cylinder.
The operation process of the system is as follows:
The robot places the air inlet rocker arm and the exhaust rocker arm on a rocker arm position limiting tool, the rocker arm circulating conveying line conveys the rocker arm shaft positioning seat to a rocker arm press-in station, the rocker arm shaft jacking mechanism jacks up the rocker arm shaft positioning seat, and the air inlet rocker arm press-in mechanism and the exhaust rocker arm press-in mechanism press-in the air inlet rocker arm and the exhaust rocker arm on the rocker arm shaft at the same time. And then conveying the workpiece to a retainer ring and clamp spring assembly station. And the feeding mechanism of the air inlet rocker arm check ring and the clamp spring finish automatic feeding of the rocker arm check ring and the clamp spring of the air outlet rocker arm in advance and penetrate into the prepressing tool shaft. The exhaust rocker arm check ring and clamp spring pressing mechanism and the intake rocker arm check ring and clamp spring pressing mechanism respectively press the check ring and the clamp spring on the pre-pressing tool shaft out of the pre-pressing tool shaft and are assembled on the rocker shaft.
The invention solves the problem of automatically and simultaneously loading the air inlet rocker arm and the air outlet rocker arm into the rocker arm shaft, and has the following characteristics:
1. the automobile air inlet rocker arm and the automobile exhaust rocker arm can be automatically and simultaneously installed on the rocker arm shaft, and the clamping springs and the check rings at the two ends are automatically installed.
2. Accurate positioning of the positions of all parts required by rocker arm assembly is realized through various positioning modes and positioning mechanisms.
3. The rocker arm pressing mechanism is simple and practical in structure, cost is saved compared with a common mechanism, installation space is reduced, and adjustment is facilitated.
Drawings
Fig. 1 is a schematic view of the overall and exploded structure of a valve rocker of a conventional automotive engine.
Fig. 2 is a schematic structural view of an automatic assembly system of an intake rocker arm and an exhaust rocker arm of an automobile on a rocker shaft according to the present invention.
FIG. 3 is a schematic view of the rocker shaft positioning seat of the present invention.
Fig. 4 is a schematic structural view of an intake rocker arm position defining tool and an exhaust rocker arm position defining tool in the present invention.
Fig. 5 is a schematic diagram of the structure of the intake rocker arm press-in mechanism and the exhaust rocker arm press-in mechanism in the present invention.
Fig. 6 is a schematic view of the rocker shaft jack mechanism according to the present invention.
Fig. 7 is a schematic structural diagram of a feeding mechanism for a clamping spring of an air inlet rocker arm retainer ring and a feeding mechanism for a clamping spring of an air outlet rocker arm retainer ring in the invention.
Fig. 8 is a cross-sectional view of fig. 7.
Fig. 9 is a schematic structural view of an exhaust rocker arm retainer clip pressing mechanism and an intake rocker arm retainer clip pressing mechanism in the invention.
In the figure: 01. left clamp spring, 02, left retainer ring, 03, air intake rocker arm, 04, rocker arm shaft, 05, rocker arm shaft seat, 06, exhaust rocker arm, 07, right retainer ring, 08, right clamp spring, 09, adjusting screw, 010, locknut, 011, rolling pin, 012, rolling wheel;
1. the device comprises an air inlet rocker arm pressing-in mechanism, an air outlet rocker arm pressing-in mechanism, a rocker arm shaft pressing-limiting mechanism, a rocker arm shaft positioning seat, a rocker arm shaft jacking mechanism, a rocker arm circulation conveying line, an air outlet rocker arm retainer spring pressing-in mechanism, an air inlet rocker arm retainer spring pressing-in mechanism, an air outlet rocker arm retainer spring feeding mechanism, and an air inlet rocker arm retainer spring feeding mechanism.
101. The base, 102. Press in cylinder, 103. Ram.
501. Mounting base, 502, jacking cylinder, 503, jacking base, 504 and guide rod
701. Base, 702, press-in cylinder, 703, ram, 704, guide rail, 705, docking interface.
901. The device comprises a material column supporting frame, 902, a clamp spring feeding column, 903, a retainer ring feeding column, 904, a clamp spring feeding press block, 905, a clamp spring, 907, a retainer ring, 908, a retainer ring feeding cylinder, 909, a retainer ring feeding push plate, 910, a clamp spring feeding push plate, 911, a clamp spring feeding cylinder, 912, a pre-pressing tool shaft, 913, an in-place detection switch, 914, a pre-pressing tool shaft detection switch, 915, a taper pin, 916, a bottom plate, 917, a press plate and 918, and a material separating plate.
Detailed Description
The automatic assembly system of the automobile air inlet rocker arm and the automobile exhaust rocker arm on the rocker arm shaft solves the problem that the air inlet rocker arm and the automobile exhaust rocker arm are automatically and simultaneously assembled on the rocker arm shaft, and the automatic assembly system is structurally as shown in figure 2 and comprises a rocker arm circulation conveying line 6, wherein a rocker arm press-in station and a check ring snap spring assembly station are arranged on the rocker arm circulation conveying line 6. The rocker arm circulation conveying line 6 adopts a circulation conveying line with an existing structure, and realizes circulation feeding in the rocker arm assembling process. The rocker arm shaft positioning seat 4 is arranged on the rocker arm circulation conveying line 6. The structure of the rocker shaft positioning seat 4 is shown in fig. 3.
The rocker arm shaft 04 and the rocker arm shaft seat 05 are respectively fed by a robot, the rocker arm shaft seat 05 is arranged on the rocker arm shaft positioning seat 4, the rocker arm shaft 04 is arranged on the rocker arm base 05, and the rocker arm shaft seat 05 is connected with the rocker arm shaft positioning seat 4 through a positioning pin. The rocker arm shaft positioning seat 4 is arranged on the rocker arm circulation conveying line 6 and operates along with the rocker arm circulation conveying line 6.
The rocker arm pressing station is provided with an air inlet rocker arm pressing mechanism 1, an exhaust rocker arm pressing mechanism 2, a rocker arm shaft jacking mechanism 5 and a rocker arm shaft pressing limiting mechanism 3, and the air inlet rocker arm pressing mechanism 1 and the exhaust rocker arm pressing mechanism 2 are arranged on the inner side and the outer side of a rocker arm circulating conveying line 6. An inlet rocker arm position limiting tool is arranged at the front part of the inlet rocker arm pressing-in mechanism 1, and an exhaust rocker arm position limiting tool is arranged at the front part of the exhaust rocker arm pressing-in mechanism 2. The rocker arm shaft jack mechanism 5 is provided in the rocker arm circulation line 6 between the intake rocker arm press-in mechanism 1 and the exhaust rocker arm press-in mechanism 2. The rocker arm shaft pressing limiting mechanism 3 is of a frame structure and is arranged on a support of the rocker arm circulating conveying line 6, and when the rocker arm shaft jacking mechanism 5 jacks up the rocker arm shaft, the lifting height of the rocker arm shaft is limited, so that the axis of the rocker arm shaft is equal to the axis of mounting holes of the air inlet rocker arm and the air exhaust rocker arm.
The intake rocker arm position defining tool and the exhaust rocker arm position defining tool adopt the same structure, as shown in fig. 4, and are used for placing and positioning the intake rocker arm or the exhaust rocker arm. The intake rocker arm position limiting tool and the exhaust rocker arm position limiting tool are provided at the front ends of the bases 101 of the intake rocker arm press-in mechanism 1 and the exhaust rocker arm press-in mechanism 2.
The intake rocker arm press-in mechanism 1 and the exhaust rocker arm press-in mechanism 2 have the same structure, and as shown in fig. 5, the intake rocker arm press-in mechanism comprises a base 101, a press-in cylinder 102 and a press-head 103, wherein a guide rail is arranged on the base 101, the press-in cylinder 102 is arranged on the base 101, and the press-head 103 is arranged on the guide rail of the base 101 and is connected with a piston rod of the press-in cylinder 102. The press-in cylinder 102 drives the ram 103 to move along the guide rail, and presses the intake rocker 03 placed on the intake rocker position limiting tool or the exhaust rocker 06 placed on the exhaust rocker position limiting tool into the rocker shaft 04.
The rocker shaft jack mechanism 5 has a structure including a mount 501, a jack cylinder 502, and a jack 503, as shown in fig. 6. The mounting seat 501 is connected with a bracket of the rocker arm circulation conveying line 6. The jacking cylinder 502 is vertically installed on the installation seat 501, a piston rod of the jacking cylinder 502 is connected with the jacking seat 503, and the jacking seat 503 is provided with a guide rod 504. When the rocker arm shaft 04 moves above the jacking seat 503 along with the rocker arm circulation conveyor line 6 on the rocker arm shaft positioning seat 4, the jacking cylinder 502 is started, the rocker arm shaft positioning seat 4 and the rocker arm shaft 04 are lifted simultaneously through the jacking seat 503, and the rocker arm shaft is limited by the rocker arm shaft compression limiting mechanism 3.
After the rocker arm shaft 04 is lifted by the rocker arm shaft lifting mechanism 5, the intake rocker arm 03 and the exhaust rocker arm 06 are pressed into both ends of the rocker arm shaft 04 by the intake rocker arm pressing mechanism 1 and the exhaust rocker arm pressing mechanism 2, respectively. The rocker arm shaft jacking mechanism 5 returns, the rocker arm shaft 04 with the air inlet rocker arm 03 and the air outlet rocker arm 06 falls on the rocker arm circulating conveying line 6 along with the rocker arm shaft positioning seat 4, and then the rocker arm shaft 04 is conveyed to the retainer ring clamping spring assembly station.
The check ring assembly station is provided with an air inlet rocker check ring feeding mechanism 9, an air outlet rocker check ring feeding mechanism 10, an air outlet rocker check ring pressing mechanism 7 and an air inlet rocker check ring pressing mechanism 8. The exhaust rocker arm check ring clamp spring pressing mechanism 7 and the intake rocker arm check ring clamp spring pressing mechanism 8 are respectively arranged on the inner side and the outer side of the rocker arm circulation conveying line 6. The air inlet rocker arm check ring clamping spring feeding mechanism 9 is arranged above the air inlet rocker arm check ring clamping spring pressing mechanism 8, and the air outlet rocker arm check ring clamping spring feeding mechanism 10 is arranged above the air outlet rocker arm check ring clamping spring pressing mechanism 7. The front parts of the exhaust rocker arm retainer ring pressing mechanism 7 and the intake rocker arm retainer ring pressing mechanism 8 are respectively provided with a butt joint interface 705 (see fig. 9) of a pre-pressing tool shaft 912.
The structures of the intake rocker arm retainer ring clamp spring feeding mechanism 9 and the exhaust rocker arm retainer ring clamp spring feeding mechanism 10 are explained below.
The structures of the air inlet rocker arm retainer ring clamping spring feeding mechanism 9 and the air outlet rocker arm retainer ring clamping spring feeding mechanism 10 are the same, and the structures are shown in fig. 7 and 8, and the air inlet rocker arm retainer ring clamping spring feeding mechanism comprises a bottom plate 916, a material column supporting frame 901, a clamping spring feeding column 902, a retainer ring feeding column 903, a retainer ring feeding cylinder 908, a retainer ring feeding push plate 909, a retainer ring feeding push plate 910 and a retainer ring feeding cylinder 911. The material post support 901 is vertically installed on the bottom plate 916, and a quick replacement limiting mechanism for the clamp spring material feeding post 902 and the retainer ring material feeding post 903 is installed on the upper portion of the material post support 901, so that the clamp spring material feeding post 902 and the retainer ring material feeding post 903 can be conveniently and quickly taken and placed. The quick-change limiting mechanism is provided with two conical pins 915, and positioning holes corresponding to the conical pins 915 are correspondingly formed in the clamping spring feeding column 902 or the retaining ring feeding column 903. When the clamping spring loading column 902 or the retainer ring loading column 903 is arranged in the approximate direction of the positioning pin 915, the clamping spring loading column 902 or the retainer ring loading column 903 can be rapidly arranged and positioned by being pressed downwards. The snap spring loading post 902 or the retainer ring loading post 903 can be quickly pulled out by lifting upwards to add the snap spring or the retainer ring. The clamp spring feeding column 902 is cylindrical, the outer diameter of the clamp spring feeding column 902 is slightly larger than the inner diameter of the clamp spring, a stop block is arranged at one end of the clamp spring feeding column 902, and the clamp spring feeding column 902 is arranged in a quick replacement limiting mechanism at the upper part of the material column supporting frame 901 and is hung on the clamp spring supporting frame through the stop block. The upper material column 903 of the retainer ring has the same structure as the upper material column 902 of the retainer ring, and the outer diameter of the upper material column is slightly larger than the inner diameter of the retainer ring, and is hung in another quick-change limiting mechanism at the upper part of the material column support 901. The clamp spring feeding column 902 is provided with a clamp spring feeding press block 904, the clamp spring feeding press block 904 is used for pressing on the clamp spring 906, and the falling feeding of the clamp spring 906 one by one is guaranteed through the action of gravity. And a baffle ring feeding pressing block 905 is arranged on the baffle ring feeding column 903, the baffle ring feeding pressing block 905 is used for pressing on the baffle ring 907, and the falling feeding of the baffle ring 907 after feeding is ensured one by one under the action of gravity.
As shown in fig. 8, a material separating plate 918 and a pressing plate 917 are sequentially arranged above the bottom plate 916, and two layers of spaces are formed among the bottom plate 916, the material separating plate 918 and the pressing plate 917. The baffle ring feeding push plate 909 is arranged in a space between the baffle plate 916 and the pressing plate 917 and is connected with the baffle ring feeding cylinder 908, and the baffle ring feeding cylinder 908 drives the baffle ring feeding push plate 909 to reciprocate, so that automatic feeding of the baffle ring 907 is realized. The jump ring material loading push pedal 910 is set up in the space between bottom plate 916 and the partition board 918 to be connected with jump ring material loading cylinder 911, jump ring material loading cylinder 911 drives jump ring material loading push pedal 910 reciprocating motion, thereby realizes the autoloading of jump ring 906. The retainer feeding cylinder 908 and the clip feeding cylinder 911 are mounted on one side of the bottom plate 916. The distance between the bottom end of the clamp spring feeding column 902 and the upper surface of the bottom plate 916 is slightly larger than the thickness of the clamp spring, and the distance between the bottom end of the retainer ring feeding column 903 and the upper surface of the bottom plate 916 of the material separation plate 918 is slightly larger than the thickness of the retainer ring. The other side of the bottom plate 916 is provided with a pre-pressing tool shaft 12, and the periphery of the pre-pressing tool shaft 12 is provided with an in-place detection switch 913 and a pre-pressing tool shaft detection switch 914 which are arranged on the bottom plate 916. The pre-pressing tool shaft detecting switch 914 is used for detecting whether the pre-pressing tool shaft 912 is in place, and the in-place detecting switch 913 detects whether the clamp spring 906 and the retainer ring 907 are fed in place. After the clamping spring 906 and the retainer ring 907 are fed in place, the pre-pressing tool shaft 912 is simultaneously penetrated into the clamping spring 906 and the retainer ring 907 by a mechanical arm.
The working process of the retainer ring snap spring feeding mechanism is as follows.
The clamp spring feeding press block 904 and the check ring feeding press block 905 are respectively sleeved on the clamp spring feeding column 902 and the check ring feeding column 903 by manpower. The snap springs 906 are then individually sleeved on the snap spring loading posts 902, and the snap rings 907 are individually sleeved on the snap ring loading posts 903. Then the clamp spring feeding column 902 and the retainer ring feeding column 903 are hung on the column support 901 in an inverted mode. The lowermost retainer 907 rests on the spacer 918 and the lowermost clamp spring 906 rests on the base plate 916. And a retainer ring feeding cylinder 908 and a retainer ring feeding cylinder 911 are started, so that a retainer ring feeding push plate 909 and a retainer ring feeding push plate 910 push a retainer ring 906 and a retainer ring 907 to move towards the position of a pre-pressing tool shaft 912, and the retainer ring 906 and the retainer ring 907 are in a coaxial state after being in place, thereby realizing automatic feeding. The clamp spring feeding pressing block 904 and the check ring feeding pressing block 905 ensure the falling feeding of the clamp spring 906 and the check ring 907 one by one through the gravity action. After the clamp spring 906 and the retainer ring 907 are fed in place, the in-place detection switch 913 is used for judging whether the clamp spring 906 and the retainer ring 907 are fed in place or not. After the clamp spring 906 and the retainer ring 907 are fed in place, the pre-pressing tool shaft 912 is grabbed by a manipulator, and after the pre-pressing tool shaft 912 is detected in place by the pre-pressing tool shaft detection switch 914, the clamp spring 906 and the retainer ring 907 are penetrated into the upper part of the pre-pressing tool shaft 912 by the manipulator at the same time, the pre-pressing tool shaft 912 is pressed down in place, and the clamp spring 906 is tensioned.
The structures of the exhaust rocker arm retainer clip pressing mechanism 7 and the intake rocker arm retainer clip pressing mechanism 8 are described below.
The exhaust rocker arm retainer spring pressing mechanism 7 and the intake rocker arm retainer spring pressing mechanism 8 adopt the same structure, and as shown in fig. 9, the exhaust rocker arm retainer spring pressing mechanism comprises a base 701, a pressing cylinder 702 and a pressing head 703, wherein a guide rail 704 is arranged on the base 701, the pressing cylinder 702 is arranged on the base 701, and the pressing head 703 is arranged on the guide rail 704 of the base 701 and connected with a piston rod of the pressing cylinder 702. The front end of the pressure head 703 is provided with a butt joint interface 705 of a pre-pressing tool shaft 912. The pressing cylinder 702 drives the pressing head 703 to move along the guide rail 704, the butt joint interface 705 is aligned with the pre-pressing tool shaft 912, the pre-pressing tool shaft 912 enters the butt joint interface 705, and the clamp spring 906 and the retainer ring 907 on the pre-pressing tool shaft 912 are pressed into the rocker shaft 04.
The process of the present invention for accomplishing the automatic assembly of the intake rocker arm and the exhaust rocker arm on the rocker arm shaft is as follows.
In the rocker arm press-in station, an air inlet rocker arm is placed on an air inlet rocker arm position limiting tool through a robot, and an exhaust rocker arm is placed on an exhaust rocker arm position limiting tool, so that the central position of the rocker arm before assembly is ensured. The rocker arm circulating conveyor line 6 conveys the rocker arm shaft between the rocker arm shaft jacking mechanism 5 and the rocker arm shaft compressing and limiting mechanism 3 through the rocker arm shaft positioning seat 4. The rocker arm shaft jacking mechanism 5 jacks up the whole rocker arm shaft positioning seat 4 and compacts the rocker arm shaft to the rocker arm shaft compaction limiting mechanism 3, so that the accuracy and uniqueness of the central position of the rocker arm shaft before the automobile rocker arm is assembled are ensured. Finally, the intake rocker arm press-in mechanism 1 and the exhaust rocker arm press-in mechanism 2 press-in the intake rocker arm and the exhaust rocker arm simultaneously onto the rocker arm shaft by their execution power pushing rams. After the rocker arm is assembled on the rocker arm shaft, the rocker arm is conveyed to a retainer ring snap spring assembling station through a rocker arm circulating conveying line 6.
And in the retainer ring clamping spring assembly station, the inlet rocker arm retainer ring clamping spring feeding mechanism 9 finishes automatic feeding of the inlet rocker arm retainer ring clamping spring in advance and penetrates into the pre-pressing tool shaft 912 of the inlet rocker arm. And the exhaust rocker arm retainer ring clamp spring feeding mechanism 10 finishes automatic feeding of the exhaust rocker arm retainer ring clamp spring in advance and penetrates into the pre-pressing tool shaft of the exhaust rocker arm. The exhaust rocker arm check ring and clamp spring pressing mechanism 7 and the intake rocker arm check ring and clamp spring pressing mechanism 8 respectively press the check ring and the clamp spring on the pre-pressing tool shaft out of the pre-pressing tool shaft, and are assembled on the rocker shaft.
Claims (4)
1. The automatic assembly system of the automobile air inlet rocker arm and the automobile exhaust rocker arm on the rocker arm shaft is characterized by comprising a rocker arm circulation conveying line, wherein a rocker arm press-in station and a check ring snap spring assembly station are arranged on the rocker arm circulation conveying line;
The rocker arm pressing station is provided with an air inlet rocker arm pressing mechanism, an air outlet rocker arm pressing mechanism, a rocker arm shaft jacking mechanism and a rocker arm shaft pressing limiting mechanism, wherein the air inlet rocker arm pressing mechanism and the air outlet rocker arm pressing mechanism are arranged on two sides of a rocker arm circulation conveying line, the rocker arm shaft jacking mechanism is arranged at the bottom of the rocker arm circulation conveying line, the rocker arm shaft pressing limiting mechanism is arranged above the rocker arm circulation conveying line, the front part of the air inlet rocker arm pressing mechanism is provided with an air inlet rocker arm position limiting tool, and the front part of the air outlet rocker arm pressing mechanism is provided with an air outlet rocker arm position limiting tool;
The retainer ring clamping spring assembly station is provided with an air inlet rocker arm retainer ring feeding mechanism, an air outlet rocker arm retainer ring pressing mechanism and an air inlet rocker arm retainer ring pressing mechanism, the exhaust rocker arm check ring press-in mechanism and the intake rocker arm check ring press-in mechanism are respectively arranged on two sides of the rocker arm circulating conveying line, the intake rocker arm check ring feeding mechanism is arranged above the intake rocker arm check ring press-in mechanism, and the exhaust rocker arm check ring feeding mechanism is arranged above the exhaust rocker arm check ring press-in mechanism;
the clamping spring feeding mechanism of the air inlet rocker arm retainer ring and the clamping spring feeding mechanism of the air outlet rocker arm retainer ring adopt the same structure, and comprise a clamping spring feeding mechanism, a retainer ring feeding mechanism, a clamping spring pushing space and a retainer ring pushing space, wherein the clamping spring feeding mechanism and the retainer ring feeding mechanism are respectively arranged above the clamping spring pushing space and the pushing space, and one sides of the clamping spring pushing space and the pushing space are respectively provided with a clamping spring pushing mechanism and a retainer ring pushing mechanism;
the clamping spring feeding mechanism and the retainer ring feeding mechanism comprise a material column supporting frame and a material column, and the material column is suspended on the material column supporting frame;
The clamping spring pushing and feeding space and the retainer ring pushing and feeding space are two layers of spaces formed among a bottom plate, a material separation plate and a pressing plate which are arranged from bottom to top;
the clamping spring pushing mechanism comprises a clamping spring feeding cylinder and a clamping spring feeding push plate, and the clamping spring feeding push plate is positioned in the clamping spring pushing and feeding space and connected with the clamping spring feeding cylinder;
the retainer ring pushing mechanism comprises a retainer ring feeding cylinder and a retainer ring feeding push plate, and the retainer ring feeding push plate is positioned in a retainer ring pushing and feeding space and connected with the retainer ring feeding cylinder;
The robot places an air inlet rocker arm and an exhaust rocker arm on a rocker arm position limiting tool, a rocker arm circulating conveying line conveys a rocker arm shaft positioning seat to a rocker arm press-in station, a rocker arm shaft jacking mechanism jacks up the rocker arm shaft positioning seat, and the air inlet rocker arm press-in mechanism and the exhaust rocker arm press-in mechanism press-in the air inlet rocker arm and the exhaust rocker arm onto the rocker arm shaft at the same time and then convey the air inlet rocker arm and the exhaust rocker arm to a retainer ring snap spring assembly station; the feeding mechanism of the air inlet rocker arm check ring and the clamp spring and the feeding mechanism of the air inlet rocker arm check ring and the clamp spring are used for automatically feeding the rocker arm check ring and the clamp spring of the air inlet rocker arm in advance and penetrating the rocker arm check ring and the clamp spring into the prepressing tool shaft; the exhaust rocker arm check ring and clamp spring pressing mechanism and the intake rocker arm check ring and clamp spring pressing mechanism respectively press the check ring and the clamp spring on the pre-pressing tool shaft out of the pre-pressing tool shaft and are assembled on the rocker shaft.
2. The automatic assembling system for the air inlet rocker arm and the air outlet rocker arm of the automobile on the rocker arm shaft according to claim 1, wherein the air inlet rocker arm pressing-in mechanism and the air outlet rocker arm pressing-in mechanism adopt the same structure and comprise a base, a pressing-in cylinder and a pressure head, the pressing-in cylinder is arranged on the base, and the pressure head is arranged on the base and connected with a piston rod of the pressing-in cylinder.
3. The automatic assembly system of intake and exhaust rocker arms of a vehicle on a rocker shaft of claim 1, wherein the rocker shaft jacking mechanism comprises a mounting seat, a jacking cylinder and a jacking seat, the jacking cylinder is mounted on the mounting seat, and the jacking seat is connected with the jacking cylinder.
4. The automatic assembly system of the automobile air inlet rocker arm and the exhaust rocker arm on the rocker arm shaft according to claim 1, wherein the air inlet rocker arm retainer ring clamping spring pressing mechanism and the air inlet rocker arm retainer ring clamping spring pressing mechanism adopt the same structure, the automatic assembly system comprises a base, a pressing-in cylinder and a pressing head, the pressing-in cylinder is arranged on the base, and the pressing head is connected with the pressing-in cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811315819.1A CN109128821B (en) | 2018-11-06 | 2018-11-06 | Automatic assembling system for automobile air inlet rocker arm and exhaust rocker arm on rocker arm shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811315819.1A CN109128821B (en) | 2018-11-06 | 2018-11-06 | Automatic assembling system for automobile air inlet rocker arm and exhaust rocker arm on rocker arm shaft |
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| Publication Number | Publication Date |
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| CN109128821A CN109128821A (en) | 2019-01-04 |
| CN109128821B true CN109128821B (en) | 2024-10-18 |
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| CN201811315819.1A Active CN109128821B (en) | 2018-11-06 | 2018-11-06 | Automatic assembling system for automobile air inlet rocker arm and exhaust rocker arm on rocker arm shaft |
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| CN111230472B (en) * | 2019-03-14 | 2021-07-09 | 重庆炜海自动化科技有限公司 | Automatic assembling machine for check ring of connecting rod piston pin |
Citations (3)
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| CN106514219A (en) * | 2017-01-13 | 2017-03-22 | 重庆建设车用空调器有限责任公司 | External expansion type clamp spring automatic assembling mechanism |
| CN108372399A (en) * | 2018-05-16 | 2018-08-07 | 上汽通用五菱汽车股份有限公司 | A kind of piston stopper press mounting structure and method |
| CN209140289U (en) * | 2018-11-06 | 2019-07-23 | 济南易恒技术有限公司 | The automatic setup system of automotive air intake rocker arm and exhaust rocker arm on rocker arm shaft |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202317647U (en) * | 2011-11-18 | 2012-07-11 | 陈运军 | Automatic assembling machine for rockers of automobiles |
| CN203993026U (en) * | 2014-07-15 | 2014-12-10 | 重庆福瑞斯自动化设备有限公司 | Selector rocking arm block selecting axle circlip press-loading device |
| CN104308529B (en) * | 2014-09-30 | 2016-11-23 | 宁波汽车软轴软管有限公司 | Block selecting rocker arm assembly assembly equipment |
| CN205950248U (en) * | 2016-08-26 | 2017-02-15 | 无锡晶晟科技股份有限公司 | A assembly assembly quality that is used for accelerator pedal's rocking arm subassembly and base subassembly |
| CN206373575U (en) * | 2017-01-13 | 2017-08-04 | 重庆建设车用空调器有限责任公司 | A kind of material stock and feed device for extending out formula jump ring automatic assembling |
| CN107363509B (en) * | 2017-08-22 | 2023-11-03 | 机科发展科技股份有限公司 | Compressor rotor assembly system and assembly method |
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2018
- 2018-11-06 CN CN201811315819.1A patent/CN109128821B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514219A (en) * | 2017-01-13 | 2017-03-22 | 重庆建设车用空调器有限责任公司 | External expansion type clamp spring automatic assembling mechanism |
| CN108372399A (en) * | 2018-05-16 | 2018-08-07 | 上汽通用五菱汽车股份有限公司 | A kind of piston stopper press mounting structure and method |
| CN209140289U (en) * | 2018-11-06 | 2019-07-23 | 济南易恒技术有限公司 | The automatic setup system of automotive air intake rocker arm and exhaust rocker arm on rocker arm shaft |
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| CN109128821A (en) | 2019-01-04 |
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