Semi-automatic mounting equipment for piston ring of engine

Abstract

The utility model relates to semi-automatic engine piston ring installation equipment which comprises a deck plate, two oil ring stock bins are arranged on the left side and the right side of the deck plate, and a gas ring double-stock bin is arranged on the rear side of the deck plate. Eight first linear guide rails arranged in the radial direction are arranged between the double gas ring stock bin and the two oil ring stock bins, each first linear guide rail is slidably connected with a piston ring guide block with an extending rod, four guide grooves are formed in each piston ring guide block in the vertical direction, the two upper guide grooves are oil ring guide grooves, and the two lower guide grooves are oil ring guide grooves. The two lower guide grooves are gas ring guide grooves; the deck plate is provided with a piston ring pushing mechanism used for pushing the piston ring on the bottommost layer in the stock bin into the piston ring guide groove. And a ring expanding claw mechanism is arranged below the deck plate. The piston ring storage device not only can be used for storing piston rings, but also can meet the production line assembly of mounting two gas rings and two oil rings on automation equipment at a time.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of engine piston ring semi-automatic installation equipment. BACKGROUND

[0002] Piston ring is the core component inside fuel engine, it and cylinder, piston, cylinder wall etc. complete the sealing of fuel gas.

[0003] Piston and cylinder wall are generally provided with two gas rings and two oil rings. In the assembly of existing piston ring, two gas rings and two oil rings are generally installed using assembly mechanism in batches, and the installation efficiency of piston ring is low. SUMMARY

[0004] The utility model provides a kind of engine piston ring semi-automatic installation equipment, this installation equipment can satisfy the production line assembly of two gas rings and two oil rings once installation.

[0005] The utility model provides technical scheme: a kind of engine piston ring semi-automatic installation equipment, including mesa plate, two oil ring stores are provided in the left and right sides of mesa plate, the rear side of mesa plate is provided with gas ring double storehouse;

[0006] Eight linear guides one along radial direction are arranged between gas ring double storehouse and two oil ring stores, each linear guide one is slidably connected with piston ring guide block with extension rod, four guide grooves are arranged on each piston ring guide block along up-down direction, wherein two upper guide grooves are oil ring guide grooves, and two lower guide grooves are gas ring guide grooves;

[0007] Oil ring pushing ring mechanism and gas ring pushing ring mechanism for pushing the oil ring of the bottom layer in oil ring storehouse and gas ring double layer into piston ring guide groove are respectively arranged on the mesa plate;Ring claw mechanism is arranged below the mesa plate.

[0008] Ring claw mechanism includes cylinder, motor base in transmission connection with cylinder, motor installed on motor base, screw nut pair in transmission connection with motor through coupling, eight linear guides two are radially spaced apart around the axial circumference of screw nut pair, sliding block is slidably connected on each linear guide two, one open claw is connected on each sliding block, one connecting rod is hingedly connected on each sliding block, each connecting rod is hingedly connected with the screw nut of screw nut pair respectively;Extension rod hole is arranged on sliding block, and the extension rod of piston ring guide block is inserted into extension rod hole.

[0009] The air ring double hopper comprises a support plate one, a limiting column, a guide column and an air ring pushing mechanism for pushing out the bottommost air ring in the hopper, the limiting column and the guide column are fixed on the support plate one, the limiting column is in two groups, the two groups of limiting columns are distributed on both sides of the guide column, one group of limiting columns and the guide column form a hopper one, and the other group of limiting columns and the guide column form a hopper two, the air ring pushing mechanism comprises a pushing head driven by a gas cylinder and an air ring pushing rod driven by a servo motor, each side of the pushing head has a T-shaped pushing rod extending into the air ring opening, and the two T-shaped pushing rods are arranged in the same direction, the air ring pushing rod is located below the pushing head, a pressing rod is arranged at the front end of the air ring pushing rod, the pressing rod is movably connected with the air ring pushing rod through a pin shaft, a gas cylinder for lifting the pushing end of the pressing rod is arranged on the air ring pushing rod, and a spring for pressing the pushing end of the pressing rod is arranged between the pressing rod and the air ring pushing rod.

[0010] A baffle plate for supporting the air ring pushed out of the hopper one and a bottom plate for supporting the air ring pushed out of the hopper two are sequentially arranged below the support plate one, a gap for passing the air ring is arranged between the support plate one and the baffle plate, and a gap for passing the air ring is arranged between the baffle plate and the bottom plate.

[0011] The oil ring hopper comprises a support plate two for supporting the oil ring, a column one for limiting the oil ring, a column two with a rib plate for guiding and positioning the oil ring, a pushing block for pushing out the bottommost oil ring in the oil ring hopper, the pushing block is in transmission connection with the pushing ring mechanism and is connected with the support plate two through a return spring, the column one and the column two are fixed on the support plate two, and the pushing block is arranged on the support plate two and located at the bottom of the column one and the column two.

[0012] The step height of the pushing block is the thickness of one piston ring or slightly smaller than the thickness of the piston ring.

[0013] The piston ring hopper structure has one hopper on the left and one hopper on the right, and two oil rings can be simultaneously pushed into the mounting position of the piston ring from the left and right directions. Multiple piston rings can be accommodated, and after the lowermost piston ring is pushed out by the pushing head, the pushing head is reset under the action of the return spring, the piston ring falls on the bottom surface of the cavity in the middle of the flat plate due to gravity, and the piston ring is repeatedly output.

[0014] The utility model not only can be used for piston ring storage, but also can satisfy the production line assembly of one installation two air rings and two oil rings on the automatic equipment. DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model.

[0016] Figure 2 It is a structural schematic view of the oil ring hopper of the utility model.

[0017] Figure 3 It is a structural schematic view of the oil ring bin hidden behind the support plate of the utility model.

[0018] Figure 4 It is a structural schematic view of the piston ring guide block of the utility model.

[0019] Figure 5 It is a structural schematic view of the ring claw mechanism of the utility model.

[0020] Figure 6 It is a structural schematic view of the air ring bin of the utility model.

[0021] Figure 7 It is a structural schematic view of the bottom of the air ring bin of the utility model.

[0022] Figure 8 It is a structural schematic view of the push head part of the air ring pushing mechanism of the utility model.

[0023] Figure 9 It is a structural schematic view of the air ring pushing rod part of the air ring pushing mechanism of the utility model.

[0024] Figure 10 It is a structural schematic view of the air ring pushing rod part of the air ring pushing mechanism of the utility model. Figure 9 It is an enlarged view of the A-A section. Specific implementation

[0025] Referring to Figures 1 to 5 , the utility model includes a table panel 1, two oil ring bins 6 are arranged on the left and right sides of the table panel 1, and an air ring double bin 5 is arranged on the rear side of the table panel 1;Eight linear guides one 10 arranged along the radial direction are arranged between the air ring double bin 5 and the two oil ring bins 6, each linear guide one 10 is slidably connected with a piston ring guide block 9 (8 piston ring guide blocks 9 are installed on the sliding block one of the 8 linear guides 10 arranged along the radial direction) with an extension rod 13, four guide grooves are arranged on each piston ring guide block 9 in the up-down direction, wherein the upper two guide grooves are oil ring guide grooves 11, and the lower two guide grooves are air ring guide grooves 12;The table panel 1 is provided with an oil ring pushing mechanism 2 (such as an air cylinder) for pushing a piece of oil ring 3 in the bottom layer of the oil ring bin 6 into the oil ring guide groove;The table panel 1 is provided with an air ring claw mechanism 7 below.

[0026] The said ring claw mechanism 7 includes a base 7.2, which is fixedly connected with the table board 1 through four pin shafts 7.5, the output shaft of the air cylinder 14 is hinged with the base 7.2, the air cylinder 14 is installed on the movable plate 7.1, the movable plate 7.1 is fixedly connected with the support plate four 7.6 through four connecting supports 7.3, and the linear bearing 7.4 is installed on the four connecting supports 7.3. Under the action of the air cylinder 14, the base 7.2 and the support plate four 7.6 can move up and down along the pin shaft 7.5 through the linear bearing 7.4. The motor seat 15 is installed on the movable plate 7.1, the servo motor 16 is installed on the motor seat 15, the ball screw 18 and the screw nut 19 are drivingly connected with the servo motor 16 through the shaft coupling 17, eight connecting rods 20 are radially and interval arranged on the axial circumference of the screw nut, each connecting rod 20 is hingedly connected with the screw nut 19 of the screw nut pair, the other end of the connecting rod 20 is hingedly connected with the slider two 23, eight slider twos 23 are installed on eight linear guideways twos 21, the eight linear guideways twos 21 are radially arranged on the support plate four 7.6, and one opening claw 22 is connected with each slider 23. The slider 23 is provided with an extension rod hole, and the extension rod 13 of the piston ring guide block 9 is inserted into the extension rod hole.

[0027] Referring to Figure 6 and Figure 7 , the said air ring double material bin 5 includes a support plate one 5.1, a limiting column 5.2, a guide column 5.3 and an air ring pushing mechanism 4 for pushing out the bottommost air ring 8 in the air ring material bin 5, the limiting column 5.2 and the guide column 5.3 are fixedly arranged on the support plate one 5.1, the said limiting column 5.2 is in two groups, the two groups of limiting columns 5.2 are distributed on the two sides of the guide column 5.3, one group of limiting columns 5.2 and the guide column 5.3 form a material bin one, and the other group of limiting columns 5.2 and the guide column 5.3 form a material bin two; as shown in Figures 8-10 , the air ring pushing mechanism 4 includes a cylinder driven pushing head 4.1 and an air ring pushing rod 4.3 driven by a servo motor, the air ring pushing rod 4.3 is located below the pushing head. The pushing head 4.1 has a T-shaped pushing rod 4.2 extending into the air ring opening on each side, and the two T-shaped pushing rods 4.2 are arranged in the same direction. The support plate one 5.1 is sequentially provided with a partition plate 5.4 for supporting the air ring pushed out of the material bin one and a bottom plate 5.5 for supporting the air ring pushed out of the material bin two, there is a gap 5.6 between the support plate one 5.1 and the partition plate 5.4 for passing through the air ring 8 pushed out of the upper layer, there is a gap 5.7 between the partition plate 5.4 and the bottom plate 5.5 for passing through the air ring 8 pushed out of the lower layer, and the height difference between the table surface of the partition plate 5.4 and the bottom plate 5.5 is equal to the height difference of the two air ring grooves of the piston. The partition plate 5.4 and the bottom plate 5.5 are respectively composed of two parallel plates, and the air ring pushing rod 4.3 of the air ring pushing mechanism 4 passes through the space between the two parallel plates. As Figure 7As shown, each of the push head 4.1 at the lower side of the bin one and the bin two has a T-shaped push rod 4.2 extending into the gas ring opening, and the two T-shaped push rods 4.2 are arranged in the same direction, that is, the front T-shaped push rod 4.2 is composed of a straight rod as a small end and a push head body as a large end, the small end of the T-shaped push rod extends into the gas ring opening, and the large end (i.e. the push head body part) is located outside the gas ring; the rear T-shaped push rod is located inside the gas ring, and the small end extends out of the gas ring through the gas ring opening and is connected with the push head body part. The push head 4.1 is driven by a gas cylinder, and can push out a gas ring (upper layer gas ring) and two gas rings (lower layer gas ring) at the same time at one time, and the one gas ring falls on the partition plate 5.4, and the two gas rings fall on the bottom plate 5.5. The spring 5.8 makes the push head 4.1 reset, and the upper gas ring can fall on the support plate one 5.1 again under the action of gravity, and wait for the next time to push the ring. The front end of the gas ring push rod is provided with a pressing rod 4.4, the pressing rod 4.4 is movably connected with the gas ring push rod 4.3 through a pin shaft 4.5, the gas ring push rod 4.3 is provided with a cylinder 4.6 for lifting the ring pushing end of the pressing rod 4.4, and the spring 4.7 is arranged between the pressing rod 4.4 and the gas ring push rod 4.3 for pressing the ring pushing end of the pressing rod. The pressing rod 4.4 includes a horizontal ring pushing rod part 4.4.1 and a vertical pressing rod part 4.4.2, the pin shaft 4.5 is arranged at the intersection of the ring pushing rod part and the pressing rod part, the inside of the pressing rod part is connected with the gas ring push rod 4.3 through the compression spring 4.7, the outside of the pressing rod part is in contact with the piston rod of the cylinder 4.6, and the pressing rod part is located above the front end of the gas ring push rod, and a gap is formed between the pressing rod part and the front end of the gas ring push rod.

[0028] The oil ring bin 6 includes a support plate two 2.1 for supporting the oil ring material, a column one 2.4 for limiting the oil ring, a column two 2.2 with a ribbed plate 2.3 for guiding and positioning the oil ring, a push block 2.5 for pushing out the bottommost oil ring 3 in the oil ring bin 2, the push block 2.5 is in transmission connection with the oil ring ring pushing mechanism 2 and is connected with the support plate two 2.1 through a reset spring 2.6; the column one 2.4 and the column two 2.2 are respectively fixed on the support plate two 2.1, and the column one 2.4 is two, and the two column ones 2.4 are distributed on the two sides of the column two 2.2. A support plate three 2.0 is arranged between the two oil ring bins, the support plate three 2.0 has a hole for placing a piston in the middle, a base 2.7 is arranged below the support plate three 2.0, the base 2.7 is fixedly connected with the support plate 2.0 through four columns 2.8, eight linear guides 10 are installed on the base 2.7, and the base 2.7 is provided with a hole through which a ring opening claw mechanism 7 opens a claw 22. The push block 2.5 is arranged between the support plate three 2.0 and the support plate two 2.1 and is located at the bottom of the column one 2.4 and the column two 2.2.

[0029] The step height of the push block 2.5 is the thickness of a piston ring or slightly less than the thickness of the piston ring.

[0030] The utility model discloses when using, the multiple piston rings are placed in the piston ring storehouse, can push the oil ring of 2 oil storeshouse lowermost layer into the oil ring guide groove 11 of piston ring guide block 9 from left and right direction simultaneously through the push block 2.5 of driving mechanism 6, and the push block resets under the action of reset spring. Meanwhile, the T type push rod 4.2 of air ring push ring mechanism 4 is pushed through the push head 4.1 of cylinder drive, and one air ring (upper air ring) and two air rings (lower air ring) are pushed out simultaneously, and the air ring falls on the baffle 5.4, and the two air rings fall on the bottom plate 5.5. Spring 5.8 makes the push head 4.1 reset, and waits for the next time to push ring. The air ring on the baffle 5.4 and the two air rings on the bottom plate 5.5 are pushed to the two air ring guide grooves of piston ring guide block 9 by the air ring push rod of air ring push ring mechanism: when pushing ring, the piston rod of cylinder 4.6 extends and compresses the pressure bar 4.4, and the front end of the pressure bar is raised. The air ring and two air rings are supported in the air ring storehouse according to a certain height difference (equal to the height difference of two air ring grooves of piston), and the opening of two air rings is forward, and the opening of one air ring is backward, when the air ring push rod 4.3 is driven forward by servo motor, the lower air ring will enter the gap below the pressure bar, the piston rod of cylinder is retracted, and spring 4.7 pushes the pressure bar to rotate around the pin shaft 4.5, thereby compressing the lower air ring, the air ring push rod advances, and two air rings are pushed to below one air ring along the gap 5.7, and the opening of one air ring enters the pressure bar, the air ring push rod continues to advance and pushes one air ring and two air rings into the air ring guide groove 12 through gap 5.6 and gap 5.7 respectively. Then, the opening mechanism is lifted through the cylinder drive, and the opening claw will block 4 piston rings (two oil rings and two air rings), then the opening mechanism 7 is lifted through the cylinder 14 drive, and the opening claw 22 will block 4 piston rings (two oil rings and two air rings), then servo motor 16 drives the screw nut pair 19 to make the sliding block two 23 open radially, and 8 opening claws 22 will open the piston ring (oil ring and air ring) simultaneously, and stop when the opening diameter is greater than the outer diameter of piston. The piston is placed into the piston through hole of bottom plate and passes through the piston ring, and the switch at bottom is triggered after the piston is in place, and the opening mechanism 7 is lowered through the cylinder 14 drive, and the piston ring is contracted under the action of self elasticity and falls into the corresponding groove of piston, and the installation of piston ring is completed.

Claims

1. An engine piston ring semi-automatic installation apparatus comprising a table top plate, characterised in that: The two oil ring material bins are arranged on the left and right sides of the table panel, and the double air ring material bin is arranged on the rear side of the table panel; Eight linear guides one are arranged between the double air ring material bin and the two oil ring material bins in a radial direction, each linear guide one is slidably connected with a piston ring guide block having an extension rod, and four piston ring guide grooves are arranged on each piston ring guide block in an up-down direction, wherein the upper two guide grooves are oil ring guide grooves, and the lower two guide grooves are air ring guide grooves; The table panel is respectively provided with an oil ring ring pushing mechanism and an air ring ring pushing mechanism for pushing a piston ring at the bottom layer in the oil ring material bin and the double air ring material bin into the piston ring guide groove, and is provided below the table panel with a ring opening mechanism. The ring opening mechanism comprises a gas cylinder, a motor seat in transmission connection with the gas cylinder, a motor mounted on the motor seat, a screw nut pair in transmission connection with the motor through a shaft coupling, eight linear guides two are arranged on the axial circumference of the screw nut pair in a radial direction, a sliding block is slidably connected on each linear guide two, and a ring opening claw is connected on each sliding block, a connecting rod is hingedly connected on each sliding block, and each connecting rod is hingedly connected with the screw nut of the screw nut pair; an extension rod hole is arranged on the sliding block, and the extension rod of the piston ring guide block is inserted into the extension rod hole.

2. The engine piston ring semi-automatic installation apparatus of claim 1, wherein: The double air ring material bin comprises a support plate one, a limiting column, a guide column, and an air ring ring pushing mechanism for pushing an air ring at the bottom layer in the material bin, the limiting column and the guide column are respectively fixed on the support plate one, the limiting column is two groups, the two groups of limiting columns are distributed on the two sides of the guide column, one group of limiting columns and the guide column form a material bin one, and the other group of limiting columns and the guide column form a material bin two; the air ring ring pushing mechanism comprises a pushing head pushed by a gas cylinder and an air ring pushing rod driven by a servo motor, each side of the pushing head has a T-shaped pushing rod inserted into an air ring opening, and the two T-shaped pushing rods are arranged in the same direction; the air ring pushing rod is located below the pushing head, a pressing rod is arranged at the front end of the air ring pushing rod, the pressing rod is movably connected with the pushing rod through a pin shaft, a gas cylinder is arranged on the air ring pushing rod to make the pushing end of the pressing rod be raised, and a spring is arranged between the pressing rod and the air ring pushing rod to make the pushing end of the pressing rod be pressed downward.

3. The engine piston ring semi-automatic installation apparatus of claim 2, wherein: A baffle plate for supporting the air ring pushed out of the material bin one and a bottom plate for supporting the air ring pushed out of the material bin two are sequentially arranged below the support plate one, a gap for passing through the air ring is arranged between the support plate one and the baffle plate, and a gap for passing through the air ring is arranged between the baffle plate and the bottom plate.

4. The engine piston ring semi-automatic installation apparatus according to claim 1 or 2 or 3, characterized in that: The oil ring material bin comprises a support plate two for supporting the oil ring, a column one for limiting the oil ring, a column two with a rib plate for guiding and positioning the oil ring, a pushing block for pushing an oil ring at the bottom layer in the oil ring material bin, the pushing block is in transmission connection with the ring pushing mechanism and is connected with the support plate two through a return spring; the column one and the column two are respectively fixed on the support plate two, and the pushing block is arranged on the support plate two and located at the bottom of the column one and the column two; the column one is two, and the two column ones are distributed on the two sides of the column two.

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