CN212351026U

CN212351026U - Turntable limiting mechanism of multi-model piston ring assembling machine

Info

Publication number: CN212351026U
Application number: CN202021248738.7U
Authority: CN
Inventors: 朱岩; 刘广武; 杨波; 梁业
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: 2021-01-15
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a turntable limiting mechanism of a multi-machine type piston ring assembly machine, which comprises a hollow frame, wherein a turntable is arranged on the frame, a plurality of uniformly arranged supports are arranged on the turntable, a clamp is arranged on the supports, a piston positioning groove is arranged on the clamp, a piston ring positioning groove is arranged on the piston positioning groove, a through groove is arranged on the clamp, a piston ring expansion mechanism which can be adapted to two sides of a piston ring opening is arranged at the through groove, and a positioning plate is arranged at the inner end of the piston positioning groove; the rack is provided with an annular slide rail, the annular slide rail is provided with a limiting groove, and the bottom of the rotary table is provided with a pulley matched with the limiting groove. The utility model discloses a turntable limiting mechanism of a multi-machine type piston ring assembly machine, which belongs to the technical field of engine assembly, and can switch different clamps to carry out piston ring installation on pistons of different types by rotating a turntable; the turntable is limited through the turntable limiting groove, and the stable rotation of the turntable is guaranteed.

Description

Turntable limiting mechanism of multi-model piston ring assembling machine

Technical Field

The utility model relates to an engine subassembly assembly technique, more specifically say, it relates to a multimachine type piston ring assembly machine carousel stop gear.

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.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to some not enough of the above-mentioned of prior art, the utility model aims at providing a multimachine type piston ring assembly machine carousel stop gear of the continuity that work efficiency is high, job stabilization, can guarantee the piston ring installation.

In order to achieve the purpose, the utility model provides a turntable limiting mechanism of a multi-machine type piston ring assembly machine, which comprises a hollow frame, wherein a rotatable turntable is arranged on the frame, 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 positioning groove is arranged on each piston positioning groove, a through groove is arranged at the bottom of each piston positioning groove on each clamp, a piston ring expansion mechanism which can be matched with two sides of an opening of a piston ring is arranged at each through groove, and a positioning plate is arranged at the inner end of each piston positioning groove; the rack is provided with an annular slide rail, the annular slide rail is provided with a limiting groove, and the bottom of the rotary table is provided with a pulley matched with the limiting groove.

Furthermore, an annular boss is arranged on the annular slide rail, and the limiting groove is arranged on the annular boss.

Furthermore, the bottom of carousel is equipped with spacing seat, one side of spacing seat is opened and is equipped with the draw-in groove, the inboard of annular slide rail inserts the draw-in groove setting.

Furthermore, the limiting seat is of a U-shaped plate structure, and the top wall and the bottom wall of the clamping groove are respectively matched with the upper surface and the lower surface of the annular sliding rail; the upper end of the U-shaped plate structure is matched with the inner circular surface of the annular boss.

As a further improvement, the piston ring expansion mechanism comprises two expansion pieces arranged in the through groove, two annular guide grooves are arranged on two sides of the through groove on the outer wall of the fixture, expansion rings matched with the annular guide grooves are arranged on the outer sides of the expansion pieces, a floating push head is arranged below the expansion rings, two hinged rods movably connected with the expansion rings are movably connected with the floating push head, and an air cylinder mechanism connected with the floating push head is arranged at the bottom end of the rotary table.

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, a pedal type pneumatic control valve is arranged below the frame, and an air pipe connected with the pedal type pneumatic control valve is arranged on the air cylinder mechanism.

Advantageous effects

Compared with the prior art, the utility model discloses a multimachine type piston ring assembly machine carousel stop gear's beneficial effect as follows: the multi-type controller of the utility model has reasonable structural design, and can switch different clamps to install piston rings on pistons of different types 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; through the structure of carousel spacing groove, realized that the carousel carries on spacingly, guaranteed the stable rotation of carousel, guaranteed the continuity of piston ring installation.

Drawings

Fig. 1 is a schematic structural view of a turntable limiting mechanism of the multi-machine type piston ring assembling machine of the present invention;

FIG. 2 is an enlarged schematic view of the structure of the clamp and the turntable of the present invention;

FIG. 3 is an enlarged front view of the expanding mechanism for piston ring and clamp of the present invention;

FIG. 4 is an enlarged top view of the expanding mechanism for piston ring and clamp of the present invention;

fig. 5 is an enlarged bottom view of the expanding mechanism for the middle clamp and the piston ring of the present invention;

FIG. 6 is an enlarged schematic view of the piston ring expanding mechanism of the present invention;

fig. 7 is an enlarged schematic view of the structure of the clamp of the present invention;

fig. 8 is an enlarged bottom view of the structure of the middle frame and the annular slide rail of the present invention;

fig. 9 is an enlarged schematic view of the structure at B in the present invention;

fig. 10 is an enlarged schematic view of a partial structure of the middle rotary plate and the limiting seat 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 piston ring expansion 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 mechanism; 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. an air tube; 24. a hinged seat; 25. an annular boss; 26. a limiting seat; 27. a clamping groove.

Detailed Description

The present invention will be further described with reference to the following examples, which are not intended to limit the scope of the present invention, but are intended to be covered by the appended claims in any way.

The specific embodiment of the present invention is such: referring to fig. 1-10, a turntable limiting mechanism of a multi-model piston ring assembly machine comprises a hollow frame 1, 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, a through groove 7 is arranged at the bottom of each piston positioning groove 6 on each clamp 4, a piston ring expansion mechanism 8 which can be matched with two sides of an opening of a piston ring is arranged at each through groove 7, and a positioning plate 9 is arranged at the inner end of each piston positioning groove 5; the rack 1 is provided with an annular slide rail 19, the annular slide rail 19 is provided with a limiting groove 21, and the bottom of the turntable 2 is provided with a pulley 20 matched with the limiting groove 21.

In the turntable limiting mechanism of the multi-machine type piston ring assembling machine, the annular slide rail 19 is provided with the annular boss 25, the limiting groove 21 is arranged on the annular boss 25, the pulley 20 at the bottom of the turntable 2 slides along the limiting groove 21 on the annular boss 25, the stable rotation of the turntable 2 is ensured, and the consistency of piston ring installation is ensured.

In this embodiment, the bottom of carousel 2 is equipped with spacing seat 26, and the top of spacing seat 26 is passed through the bolt and is connected with carousel 2, and one side of spacing seat 26 opens and is equipped with draw-in groove 27, and draw-in groove 27 setting is inserted to annular slide rail 19's inboard, and spacing seat 26 carries out vertical spacing to carousel 2 and annular slide rail 19, prevents that carousel 2 when receiving external force, and the spacing groove 21 of pulley 20 roll-off annular slide rail 19.

In this embodiment, the limiting seat 26 is a U-shaped plate structure, and the top wall and the bottom wall of the slot 27 are respectively adapted to the upper surface and the lower surface of the annular slide rail 19; the upper end of the U-shaped plate structure is adapted to the inner circular surface of the annular boss 25.

In the turntable limiting mechanism of the multi-model piston ring assembling machine, a plurality of clamps 4 on the turntable 2 correspond to cylinder pistons with different models, and the diameter sizes of the piston positioning grooves 5 on the clamps 4 are different.

Through placing the piston ring on piston ring positioning groove 6, the fracture of piston ring corresponds logical groove 7 and arranges, then expand the fracture of mechanism 8 with the piston ring through the piston ring and expand, elastic deformation takes place for the piston ring, place the piston on the piston positioning groove 5 of anchor clamps 4 again, push the piston to locating plate 9 and make the piston insert in the piston ring, the piston ring is corresponding with the piston ring mounting groove on the piston this moment, then, piston ring expansion mechanism 8 contracts the piston ring, the piston ring is gone into in the piston ring mounting groove of piston in automatic card under the elastic action, thereby accomplish the quick installation of piston ring, high efficiency, the installation is accurate.

Different clamps 4 can be switched to install piston rings on pistons of different types by rotating the turntable 2; and 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 clamp 4 is of a semi-cylindrical structure, and the positioning plate 9 can abut against the end face of the piston.

In this embodiment, piston ring opening mechanism 8 includes two gliding bloated pieces 10 of both sides mutually that are equipped with in leading to groove 7, the fracture of piston ring bottom can be inserted to two bloated pieces 10, the both sides that lie in leading to groove 7 on anchor clamps 4's the outer wall are equipped with annular guide way 11, the outside of bloated piece 10 is equipped with the bloated ring 12 with 11 looks adaptations of annular guide way, the below of two bloated rings 12 is equipped with unsteady pushing head 13, unsteady pushing head 13 go up swing joint be equipped with two respectively with two bloated 12 swing joint's of ring hinge rod 14, the bottom of carousel 2 is equipped with and floats the cylinder mechanism 15 of being connected of pushing head 13. The bottom of the expansion ring 12 is provided with a hinge seat 24. The air cylinder mechanism 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.

Two ends of the hinge rod 14 are respectively hinged with the floating push head 13 and a hinge seat 24 at the bottom of the expansion ring 12.

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.

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.

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.

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.

The foot-operated pneumatic control valve 22 is arranged below the frame 1, the air pipes 23 connected with the foot-operated pneumatic control valve 22 are arranged on the air cylinder mechanisms 15, quick joints are arranged between the air pipes 23 and the foot-operated pneumatic control valve 22, each air pipe 23 can be quickly connected with the foot-operated pneumatic control valve 22, the rotary table 2 is rotated, each air cylinder mechanism 15 at the bottom end of the rotary table 2 rotates similarly, after the suitable fixture 4 rotates to the assembly station notch 18, the corresponding air cylinder mechanism 15 is connected with the foot-operated pneumatic control valve 22 through the air pipes 23, and the foot-operated pneumatic control valve 22 controls the push rods of the air cylinder mechanisms 15 to move.

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

Claims

1. A turntable limiting mechanism of a multi-machine type piston ring assembling machine comprises a hollow rack (1), and is characterized in that a rotatable turntable (2) is arranged on the rack (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 ring positioning groove (6) is arranged on each piston positioning groove (5), a through groove (7) is arranged on each clamp (4), a piston ring expansion mechanism (8) is arranged at each through groove (7), and a positioning plate (9) is arranged at the inner end of each piston positioning groove (5); be equipped with annular slide rail (19) on frame (1), be equipped with spacing groove (21) on annular slide rail (19), the bottom of carousel (2) be equipped with pulley (20) of spacing groove (21) looks adaptation.

2. The turntable limiting mechanism of a multi-machine type piston ring assembling machine according to claim 1, wherein the annular slide rail (19) is provided with an annular boss (25), and the limiting groove (21) is formed on the annular boss (25).

3. The turntable limiting mechanism of a multi-machine type piston ring assembling machine according to claim 2, characterized in that a limiting seat (26) is arranged at the bottom end of the turntable (2), a clamping groove (27) is arranged at one side of the limiting seat (26) in an open mode, and the inner side of the annular sliding rail (19) is inserted into the clamping groove (27).

4. The turntable limiting mechanism of the multi-machine type piston ring assembling machine according to claim 3, wherein the limiting seat (26) is of a U-shaped plate structure, and the top wall and the bottom wall of the clamping groove (27) are respectively matched with the upper surface and the lower surface of the annular sliding rail (19); the upper end of the U-shaped plate structure is matched with the inner circular surface of the annular boss (25).

5. The turntable limiting mechanism of a multi-machine type piston ring assembling machine according to any one of claims 1 to 4, characterized in that the piston ring expanding mechanism (8) comprises two expanding pieces (10) arranged in the through groove (7), annular guide grooves (11) are arranged on the outer wall of the clamp (4) and positioned on two sides of the through groove (7), expanding rings (12) matched with the annular guide grooves (11) are arranged on the outer sides of the expanding pieces (10), a floating push head (13) is arranged below the two expanding rings (12), two hinge rods (14) respectively movably connected with the two expanding rings (12) are movably connected on the floating push head (13), and a cylinder mechanism (15) connected with the floating push head (13) is arranged at the bottom end of the turntable (2).

6. The mechanism of claim 5, characterized in that the annular guide groove (11) is provided with a stopper (16) adapted to the outer side surface of the expansion ring (12).

7. The turntable limiting mechanism of the multi-machine type piston ring assembling machine according to claim 6, characterized in that a material plate (17) arranged above the turntable (2) is arranged on the frame (1), and an assembling station notch (18) capable of adapting to one of the clamps (4) is formed in one side of the material plate (17).

8. The turntable limiting mechanism of a multi-machine type piston ring assembling machine according to claim 7, characterized in that a pedal type pneumatic control valve (22) is arranged below the frame (1), and an air pipe (23) connected with the pedal type pneumatic control valve (22) is arranged on the air cylinder mechanism (15).