CN111618561A

CN111618561A - Cylinder gas receiving pipe structure of multi-model piston ring assembly machine

Info

Publication number: CN111618561A
Application number: CN202010617270.2A
Authority: CN
Inventors: 朱岩; 刘广武; 秦黎; 廖书铖
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-09-04

Abstract

The invention discloses a cylinder gas receiving pipe structure of a multi-model piston ring assembly machine, which comprises a rack, a rotary table and a plurality of supports, wherein the supports are provided with clamps, the clamps are provided with piston positioning grooves, the piston positioning grooves are provided with piston ring positioning grooves, and the end parts of the piston positioning grooves are provided with positioning plates; the fixture is characterized in that a through groove is formed in the fixture, an expansion sheet is arranged at the through groove, a cylinder device is arranged below the rotary table, a slider-crank mechanism is arranged between a push rod of the cylinder device and the expansion sheet, a pedal type pneumatic control valve is arranged at the bottom of the rack, an air inlet and outlet connecting pipe is arranged on the pedal type pneumatic control valve, a cylinder air pipe is arranged on the cylinder device, and a quick connector is arranged on the air inlet and outlet connecting pipe and the cylinder air pipe. The invention discloses a cylinder gas receiving pipe structure of a multi-model piston ring assembling machine, belongs to the technical field of engine assembly, has high working efficiency, and can realize control of a plurality of cylinder devices by only one pedal type pneumatic control valve.

Description

Cylinder gas receiving pipe structure of multi-model piston ring assembly machine

Technical Field

The invention relates to an engine component assembly technology, in particular to a cylinder gas receiving pipe structure of a multi-model piston ring assembly machine.

Background

Before a piston of an engine cylinder is installed on the cylinder, a piston ring needs to be sleeved on the piston, in the prior art, usually, two sides of the piston ring are pulled away from a fracture of the piston ring to two sides by using a tool manually, and then the piston ring is clamped into a piston ring groove on the piston, so that the operation is troublesome, and the working efficiency is low.

Disclosure of Invention

The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a cylinder air-receiving tube structure of a multi-piston ring assembling machine, which is useful for improving the working efficiency.

In order to achieve the purpose, the invention provides a cylinder gas connecting pipe structure of a multi-model piston ring assembly machine, which comprises a rack, wherein a rotatable turntable is arranged on the rack, a plurality of uniformly arranged supports are arranged on the turntable, a clamp is arranged on each support, a piston positioning groove is arranged on each clamp, a piston ring positioning groove is arranged on each piston positioning groove, and a positioning plate is arranged at the end part of each piston positioning groove; every be located on the anchor clamps the bottom of piston ring constant head tank is equipped with logical groove, logical groove department is equipped with two bloatedly pieces that can suit with piston ring open-ended both sides, the below of carousel is equipped with a plurality ofly and a plurality of the cylinder device that anchor clamps correspond the setting respectively, be equipped with slider-crank mechanism between the push rod of cylinder device and the bloateing piece, the bottom of frame is equipped with foot-operated pneumatic control valve, be equipped with the business turn over gas connection pipe on the foot-operated pneumatic control valve, be equipped with the cylinder trachea on the cylinder device, be equipped with quick-connect joint on business turn over gas connection pipe and the.

Further, slider-crank mechanism include be equipped with on the outer wall of anchor clamps with the annular guide way that leads to the both sides intercommunication of groove with the bottom of bloated piece be equipped with the ring expansion of annular guide way looks adaptation, two the below of ring expansion be equipped with the unsteady pushing head that the push rod of cylinder device is connected, unsteady pushing head go up swing joint be equipped with two respectively with two expand ring swing joint's hinge bar.

Furthermore, the annular guide groove is provided with a limiting block which is matched with the outer side surface of the expansion ring.

Furthermore, a material plate arranged above the rotary table is arranged on the rack, and an assembly station notch capable of adapting to one of the clamps is formed in one side of the material plate.

Furthermore, the supporting frame is provided with a supporting plate arranged below the rotary table, the bottom end of the rotary table is provided with a plurality of pulleys distributed in the circumferential direction, and the supporting plate is provided with a limiting groove matched with the pulleys.

As a further improvement, the bottom of the rack is provided with an annular slide rail, a plurality of slide seats are correspondingly arranged below the cylinder device on the annular slide rail, and bayonet sockets matched with the cylinder air pipes are arranged on the slide seats.

Furthermore, a connecting rod connected with the cylinder device is arranged on the sliding seat.

Advantageous effects

Compared with the prior art, the cylinder gas connecting pipe structure of the multi-model piston ring assembling machine has the following beneficial effects:

(1) the structure design of the cylinder gas receiving pipe structure of the multi-model piston ring assembling machine is reasonable, and different clamps can be switched to install piston rings on pistons of different models by rotating the turntable; the gas ring, the oil scraper ring and the oil ring in the piston ring can be simultaneously installed, the installation speed is high, and the production efficiency is greatly improved; the structure of the turntable limiting groove realizes the limitation of the turntable, ensures the stable rotation of the turntable and ensures the installation continuity of the piston ring;

(2) the cylinder gas connecting pipe structure of the multi-model piston ring assembling machine is reasonable in structural design, and the arrangement of the cylinder gas pipe, the gas inlet and outlet connecting pipe and the quick-connection joint can greatly improve the working efficiency; the control to a plurality of cylinder devices can be completed only by one foot-operated pneumatic control valve, the structural arrangement below the frame is reduced, the cost is saved, the structural layout of a workshop is simpler and more orderly, and meanwhile, the misoperation phenomenon caused by the use of a plurality of foot-operated pneumatic control valves can be avoided.

Drawings

FIG. 1 is a perspective view of the structure of the cylinder air receiving pipe structure of the multi-type piston ring assembly machine of the present invention;

FIG. 2 is a front view of the structure of the cylinder air-receiving tube structure of the multi-piston ring assembly machine of the present invention;

FIG. 3 is an enlarged view of the structure of the clamp and the turntable;

FIG. 4 is an enlarged front elevational view of the clamp and slider-crank mechanism of the present invention;

FIG. 5 is an enlarged top view of the clamp and slider-crank mechanism of the present invention;

FIG. 6 is an enlarged bottom view of the clamp and slider-crank mechanism of the present invention;

FIG. 7 is an enlarged view of the crank block mechanism according to the present invention;

fig. 8 is an enlarged view of the structure of the jig of the present invention.

In the figure: 1. a frame; 2. a turntable; 3. a support; 4. a clamp; 5. a piston positioning groove; 6. a piston ring positioning groove; 7. a through groove; 8. a slider-crank mechanism; 9. positioning a plate; 10. expanding the sheet; 11. an annular guide groove; 12. expanding the ring; 13. a floating push head; 14. a hinged lever; 15. a cylinder device; 16. a limiting block; 17. A material plate; 18. assembling a position gap; 19. an annular slide rail; 20. a pulley; 21. a limiting groove; 22. a pedal type pneumatic control valve; 23. a cylinder air pipe; 24. a hinged seat; 25. an air inlet and outlet connecting pipe; 26. a quick-connect joint; 27. an annular slide rail; 28. a slide base; 29. a bayonet; 30. a connecting rod.

Detailed description of the preferred embodiments

The invention is further described below with reference to examples, but not to be construed as being limited thereto, and any number of modifications which can be made by anyone within the scope of the claims are also within the scope of the claims.

Specific embodiments of the present invention are such that: referring to fig. 1-8, the cylinder air receiving pipe structure of the multi-model piston ring assembly machine comprises a frame 1, wherein a rotatable turntable 2 is arranged on the frame 1, a plurality of uniformly arranged supports 3 are arranged on the turntable 2, a clamp 4 is arranged on each support 3, a piston positioning groove 5 is arranged on each clamp 4, a piston positioning groove 6 is arranged on each piston positioning groove 5, and a positioning plate 9 is arranged at the end part of each piston positioning groove 5; the bottom of locating piston ring positioning groove 6 on every anchor clamps 4 is equipped with logical groove 7, logical groove 7 department is equipped with two bloated pieces 10 that can suit with piston ring open-ended both sides, the below of carousel 2 is equipped with a plurality of cylinder device 15 that correspond the setting respectively with a plurality of anchor clamps 4, be equipped with slider-crank mechanism 8 between cylinder device 15's the push rod and the bloated piece 10, the bottom of frame 1 is equipped with foot-operated pneumatic control valve 22, be equipped with air inlet and outlet connecting pipe 25 on the foot-operated pneumatic control valve 22, be equipped with cylinder trachea 23 on the cylinder device 15, be equipped with on air inlet and outlet connecting pipe 25 and the cylinder trachea 23 and connect the 26 soon, it connects for the conventional trachea among.

In the cylinder gas receiving pipe structure of the multi-model piston ring assembling machine, the cylinder pistons of a plurality of clamps 4 on the turntable 2, which correspond to different models, have different diameter sizes of the piston positioning grooves 5 on the clamps 4, the clamps 4 are of semi-cylindrical structures, and the positioning plates 9 can be abutted to the end surfaces of the pistons. The rotary table 2 is rotated, each air cylinder device 15 at the bottom end of the rotary table 2 is rotated similarly, after the suitable fixture 4 is rotated to the installation station, the air cylinder air pipe 23 of the corresponding air cylinder device 15 is quickly connected with the air inlet and outlet connecting pipe 25 of the pedal type pneumatic control valve 22 through the quick connector 26, the pedal type pneumatic control valve 22 controls the push rod of the air cylinder device 15 to move up and down, the control over a plurality of air cylinder devices 15 can be completed only through one pedal type pneumatic control valve 22, the structural arrangement below the frame 1 is reduced, the cost is saved, the structural layout of a workshop is simpler and more tidy, and meanwhile, the misoperation phenomenon caused by the use of a plurality of pedal type pneumatic control valves 22 can be avoided.

In this embodiment, the bottom of the rack 1 is provided with an annular slide rail 27, a plurality of slide seats 28 are correspondingly arranged below the cylinder device 15 on the annular slide rail 27, an annular groove is arranged on the annular slide rail 27, a protruding block matched with the annular groove is arranged at the bottom of the slide seat 28 in a protruding manner, a bayonet 29 matched with the cylinder air pipe 23 is arranged on the slide seat 28, and the slide seat 28 plays a role in positioning the cylinder air pipe 23 to prevent the cylinder air pipe 23 from shaking. The bayonet 29 of the sliding seat 28 clamps the bottom end of the air cylinder air pipe 23, and when the air cylinder device rotates along with the rotary table 2, the air cylinder air pipe 23 can pull the sliding seat 28 to rotate by the same angle, and then the air cylinder air pipe 23 is convenient to be butted with the air inlet and outlet connecting pipe 25.

In this embodiment, the slide 28 is provided with the connecting rod 30 connected to the cylinder device 15, the connecting rod 30 can be connected to the slide 28 and the cylinder device 15 through the flange, the slide 28 is driven by the connecting rod 20 to slide along the annular slide rail 27 in a circumferential manner, the sliding is more stable, and the cylinder air pipe 23 is effectively prevented from shaking.

In this embodiment, the slider-crank mechanism 8 includes the annular guide way 11 that is equipped with on the outer wall of anchor clamps 4 and communicates with the both sides of leading to groove 7 and the ring 12 that expands that is equipped with and annular guide way 11 looks adaptation in the bottom of the piece 10 that expands, and the below of two ring 12 that expand is equipped with the floating push head 13 of being connected with the push rod of cylinder device 15, and swing joint is equipped with two articulated rods 14 with two ring 12 swing joint respectively on the floating push head 13.

In this embodiment, the annular guide groove 11 is provided with a stopper 16 adapted to the outer side surface of the expansion ring 12 to prevent the expansion ring 12 from deviating from the annular guide groove 11 during sliding.

In this embodiment, the bottom of the expansion ring 12 is provided with a hinge seat 24, and both ends of the hinge rod 14 are respectively hinged with the floating pushing head 13 and the hinge seat 24 at the bottom of the expansion ring 12.

The cylinder device 15 drives the floating pushing head 13 to move up and down, and the floating pushing head 13 drives the expansion ring 12 to do circular motion to two sides along the annular guide groove 11 through the hinge rod 14 and the hinge seat 24; when the two expansion rings 12 slide outwards, the two expansion pieces 10 are driven to do circular motion outwards under the guiding action of the through groove 7, the two expansion pieces 10 push the two ends of the piston ring outwards at the fracture of the piston ring, and the two expansion pieces 10 expand the fracture of the piston ring to expand the piston ring, so that the piston ring can be conveniently inserted into the piston ring; when two bloated rings 12 slide to the inboard, drive two bloated pieces 10 and do circular motion to the inboard under the guide effect that leads to groove 7, two bloated pieces 10 stop to exert thrust to the structure at the fracture both ends of piston ring, make the piston ring automatic contraction under the effect of elasticity, the piston ring card is gone into in the piston ring mounting groove of piston.

In this embodiment, the rack 1 is provided with a material plate 17 arranged above the turntable 2, and one side of the material plate 17 is provided with an assembly station notch 18 capable of adapting to one of the clamps 4. The material plate 17 is used for containing the piston ring, so that the piston ring can be conveniently taken; according to the requirements of pistons of different models, the rotating disc 2 is rotated, the clamp 4 of a proper model is selected, and the clamp 4 is moved to the gap 18 of the assembling station.

In this embodiment, be equipped with the backup pad 19 of arranging the below at carousel 2 on the braced frame 1, the bottom of carousel 2 is equipped with a plurality of pulleys 20 that are the circumference and distribute, is equipped with the spacing groove 21 with pulley 20 looks adaptation on the backup pad 19, carries on spacingly to pulley 20 through spacing groove 21, guarantees the stable rotation of carousel 2, guarantees the continuity of piston ring installation.

In this embodiment, the outer wall of the fixture 4 is a cylindrical surface, the cross sections of the piston positioning groove 5 and the piston ring positioning groove 6 are semicircular, and the centers of circles of the annular guide groove 11, the piston positioning groove 5 and the piston ring positioning groove 6 coincide.

The support 3 comprises four support columns arranged on two sides of the clamp 4, and locking screws connected with the clamp 4 are arranged on the support columns.

The above is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that several variations and modifications can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims

1. A cylinder gas receiving pipe structure of a multi-model piston ring assembly machine comprises a rack (1) and is characterized in that a turntable (2) is arranged on the rack (1), a plurality of uniformly distributed supports (3) are arranged on the turntable (2), a clamp (4) is arranged on each support (3), a piston positioning groove (5) is arranged on each clamp (4), a piston ring positioning groove (6) is arranged on each piston positioning groove (5), and a positioning plate (9) is arranged at the end part of each piston positioning groove (5); every be equipped with logical groove (7) on anchor clamps (4), it is equipped with two bloated pieces (10) to lead to groove (7) department, the below of carousel (2) is equipped with a plurality of cylinder device (15), the push rod of cylinder device (15) with be equipped with slider-crank mechanism (8) between bloated piece (10), the bottom of frame (1) is equipped with foot-operated pneumatic control valve (22), be equipped with business turn over gas pipe (25) on foot-operated pneumatic control valve (22), be equipped with cylinder trachea (23) on cylinder device (15), be equipped with on business turn over gas pipe (25) and cylinder trachea (23) and connect joint (26) soon.

2. The cylinder air-receiving pipe structure of the multi-machine type piston ring assembling machine according to claim 1, characterized in that the crank-slider mechanism (8) comprises an annular guide groove (11) which is arranged on the outer wall of the clamp (4) and is communicated with two sides of the through groove (7), an expansion ring (12) which is arranged at the bottom of the expansion piece (10) and is matched with the annular guide groove (11), a floating push head (13) which is connected with a push rod of the cylinder device (15) is arranged below the two expansion rings (12), and two hinge rods (14) which are respectively movably connected with the two expansion rings (12) are movably connected on the floating push head (13).

3. The cylinder gas connecting pipe structure of the multi-machine type piston ring assembling machine according to claim 2, wherein a stopper (16) adapted to the outer side surface of the expansion ring (12) is provided on the annular guide groove (11).

4. The cylinder air-receiving pipe structure of the multi-machine type piston ring assembling machine according to claim 1, 2 or 3, characterized in that a material plate (17) arranged above the rotating disc (2) is arranged on the frame (1), and an assembling station notch (18) capable of being matched with one clamp (4) is arranged on one side of the material plate (17).

5. The cylinder air-receiving pipe structure of the multi-machine type piston ring assembling machine according to claim 4, characterized in that a support plate (19) arranged below the rotary table (2) is arranged on the support frame (1), a plurality of pulleys (20) distributed circumferentially are arranged at the bottom end of the rotary table (2), and a limit groove (21) matched with the pulleys (20) is arranged on the support plate (19).

6. The cylinder air connecting pipe structure of the multi-machine type piston ring assembling machine is characterized in that the bottom of the frame (1) is provided with an annular slide rail (27), a plurality of slide seats (28) are correspondingly arranged on the annular slide rail (27) below the cylinder device (15), and bayonets (29) matched with the cylinder air pipes (23) are arranged on the slide seats (28).

7. The cylinder gas-connecting pipe structure of a multi-type piston ring assembling machine as claimed in claim 6, wherein said slide base (28) is provided with a connecting rod (30) connected to said cylinder device (15).