Oil ring stock bin structure

Abstract

The utility model relates to an oil ring stock bin structure which comprises a bottom plate, two oil ring stock bins and eight first linear guide rails arranged in the radial direction, piston ring guide blocks are connected to the first linear guide rails in a sliding mode, and at least two guide grooves are formed in each piston ring guide block. A ring pushing mechanism is arranged on the bottom plate; a ring expanding claw mechanism is arranged below the bottom plate and comprises an air cylinder, a motor base in transmission connection with the air cylinder, a motor and a lead screw nut pair in transmission connection with the motor through a coupler, eight second linear guide rails are arranged around the axial circumference of the lead screw nut pair at intervals in the radial direction, and each linear guide rail is in sliding connection with a sliding block. The sliding block is connected with an opening claw and a connecting rod, and the connecting rod is hinged to the lead screw nut. An extension rod hole is formed in the sliding block, and an extension rod of the piston ring guide block is inserted into the extension rod hole. The piston ring storage device not only can be used for storing piston rings, but also can meet the production line assembly of installing two oil rings at a time on automation equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to an oil ring bin structure. BACKGROUND

[0002] The main function of the oil ring in the piston ring is to coat a uniform oil film on the cylinder wall, which can prevent the oil from entering the combustion chamber and reduce the wear of the piston, the piston ring and the cylinder wall. The oil ring bin is a matching device used in the automatic assembly process of the piston ring. In order to realize the full-automatic assembly of the piston ring, the piston ring bin structure disclosed in Chinese patent CN202322781585.2 includes a bottom plate for supporting the piston ring, a stand column one for limiting the piston ring, a stand column two for guiding and positioning the piston ring, and a push head for pushing out the bottommost piston ring in the bin. The stand column one and the stand column two are fixed on the bottom plate, and the push head is arranged on the bottom plate. The push head is connected with the bottom plate through a return spring. This kind of piston ring bin structure can be used for the storage of the piston ring and can meet the universality and stability of the piston ring bin structure.

[0003] However, two oil rings are generally arranged between the piston and the cylinder wall. When the above-mentioned piston ring bin is used for the assembly of the oil ring, the oil rings can only be installed in batches, which affects the installation efficiency of the piston. SUMMARY

[0004] The utility model provides an oil ring bin structure, this oil ring bin structure not only can be used for the storage of the oil ring, and can meet the production line assembly of one installation two oil rings on the automatic equipment.

[0005] The utility model provides a technical scheme: an oil ring bin structure, including the bottom plate, being provided with two oil ring bins and eight linear guides one arranged along the radial direction between the two oil ring bins on the bottom plate, each linear guide one is slidably connected with piston ring guide block with the extension rod, and at least two oil ring guide grooves are arranged on each piston ring guide block in the up-down direction, the support surface height of the two oil ring bins corresponds to the height of the two oil ring guide grooves respectively, a push ring mechanism for pushing the bottommost oil ring in the oil ring bin into the oil ring guide groove is arranged on the bottom plate, a ring opening claw mechanism is arranged below the bottom plate, the ring opening claw mechanism includes a cylinder, a motor base in transmission connection with the cylinder, a motor installed on the motor base, a screw nut pair in transmission connection with the motor through a shaft coupling, eight linear guides two are radially arranged on the axial circumference of the screw nut pair, a sliding block is slidably connected with each linear guide, a ring opening claw is connected with each sliding block, a connecting rod is hingedly connected with each sliding block, and each connecting rod is hingedly connected with the screw nut of the screw nut pair, a 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.

[0006] The oil ring stock bin comprises a support plate for supporting the oil ring, a first column for limiting the oil ring, a second column with a ribbed plate for guiding and positioning the oil ring, a push block for pushing out the bottommost oil ring in the stock bin, the push block being in transmission connection with a push ring mechanism and being connected with the support plate through a reset spring, the first column and the second column being fixed on the support plate, and the push block being arranged on the support plate and located at the bottom of the first column and the second column.

[0007] The second column with the ribbed plate is provided with the oil ring limiting ribbed plate parallel to the column, the oil ring limiting ribbed plate is connected with the column through vertical ribs, the opening of the oil ring is aligned with and passes through the vertical ribs, and the oil ring is positioned between the column and the limiting ribbed plate and placed in the area surrounded by the second column 3 and the two first columns 4.

[0008] The step height of the push block is the thickness of an oil ring or slightly smaller than the thickness of the piston ring.

[0009] The piston ring stock bin structure has one stock bin on the left and one on the right, and two oil rings can be pushed into the mounting position of the piston ring from the left and right directions at the same time. The piston ring stock bin structure can accommodate multiple piston rings, and after the push head pushes out the bottommost piston ring, the push head is reset under the action of the reset 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 continuously output through the above-mentioned process.

[0010] The piston ring stock bin structure can not only be used for storing piston rings, but also can meet the production line assembly of installing two oil rings at one time on the automatic equipment. DRAWINGS

[0011] Figure 1 It is a structural schematic view of the piston ring stock bin structure.

[0012] Figure 2 It is a structural schematic view of the piston ring stock bin structure.

[0013] Figure 3 It is a structural schematic view of the piston ring guiding block.

[0014] Figure 4 It is a structural schematic view of the piston ring stock bin structure.

[0015] Figure 5 It is a structural schematic view of the piston ring stock bin structure. DETAILED DESCRIPTION

[0016] See Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The utility model discloses an oil ring bin structure, including the bottom plate 1 of the piston through hole, be provided with two oil ring bins and be located between two oil ring bins eight radial arrangement's straight line guide rail one 10 on bottom plate 1, each straight line guide rail one 10 is slidably connected with the piston ring guide block 5 of having the extension rod 13, each piston ring guide block 5 is provided with four guide grooves 11, 12 along the up-down direction, wherein the upper two guide grooves are oil ring guide groove 11, and the lower two guide grooves are gas ring guide groove 12, the support surface height of two oil ring bins corresponds the height of two oil ring guide grooves 12 respectively, the bottom plate 1 is equipped with the push ring mechanism (for example cylinder) for pushing the oil ring 9 of the bottom layer in the oil ring bin into the oil ring guide groove, and the push ring mechanism is two sets, and corresponds two oil ring bins respectively, bottom plate 1 below is equipped with the open ring claw mechanism 14, and the open ring claw mechanism includes base 14.2, and base 14.2 is fixedly connected with the equipment bottom plate through four pin shafts 14.5, the output shaft of cylinder 14.7 is hinged with base 14.2, cylinder 14.7 is installed on movable plate 14.1, movable plate 14.1 is fixedly connected with support base 14.6 through four connecting supports 14.3, and four connecting supports 14.3 are installed linear bearing 14.4, under the action of cylinder 14.7, base 14.2 and support base 14.6 can move up and down along pin shaft 14.5 through linear bearing 14.4.Motor base 15 is installed on movable plate 14.1, servo motor 16 is installed on motor base 15, ball screw 18 and screw nut 19 are drivenly connected with servo motor 16 through shaft coupling 17, and eight connecting rods 20 are radially spaced apart and arranged on the axial circumference of screw nut 19, and each connecting rod 20 is hingedly connected with screw nut 19 of screw nut pair respectively, the other end of connecting rod 20 is hingedly connected on sliding block 23, and eight sliding blocks 23 are installed on eight straight line guide rails 21, and straight line guide rail 21 is installed on support base 14.6 and is arranged along the radial direction, and one open claw 22 is connected on each sliding block. Sliding block 23 is provided with extension rod hole, and the extension rod 13 of piston ring guide block 5 is inserted into the extension rod hole.

[0017] The oil ring bin includes a support plate 6 for supporting the oil ring, a column 4 for limiting the oil ring, a column 2 for guiding and positioning the oil ring, a push block 2 for pushing the bottom layer of the oil ring in the bin, and a push ring mechanism (cylinder) transmission connection and a reset spring 7 connected with the support plate 6. The column 4 and the column 2 are fixed on the support plate 6, and the push block 2 is arranged on the support plate 1 and located at the bottom of the column 4 and the column 2. The column 4 is two, and the two columns 4 are distributed on both sides of the column 2.

[0018] The two stand columns one 5 in each group are both two, the stand column two 4 and the two stand columns one 5 are distributed in an isosceles triangle, and the stand column two 4 is located at a top vertex of the isosceles triangle. The two stand columns one 5 and the stand column two 4 are installed on the support plate 1, the two stand columns one 5 are used for oil ring limiting, and the stand column two 4 is used for oil ring guiding and positioning.

[0019] The stand column two 3 with the rib plate is provided with the oil ring limiting rib plate parallel to the stand column, the oil ring limiting rib plate is connected with the stand column through the vertical rib, the opening of the oil ring is aligned and passes through the vertical rib, the oil ring is positioned between the stand column and the limiting rib plate and is placed in the area surrounded by the stand column two 3 and the two stand columns one 4.

[0020] The step height of the push block 2 is the thickness of an oil ring or slightly less than the thickness of the piston ring.

[0021] During use, the plurality of oil rings are placed in the piston ring bin, the push block of the two oil ring bins is pushed through the driving mechanism, the oil ring at the lowermost layer of the two oil bins can be simultaneously pushed into the oil ring guiding groove of the piston ring guiding block 5 from the left and right directions, and the push block is reset under the action of the reset spring. The two oil rings can also be introduced into the oil ring guiding groove 11 (such as being pushed in through the piston ring pushing mechanism in the prior art). The opening mechanism is lifted through the driving of the cylinder, and the opening claws 22 will block the four piston rings 24 (see Figure 4 ); then the servo motor drives the screw nut pair, so that the sliding block is radially opened, and the eight opening claws will open the piston ring (the oil ring and the gas ring), and the opening diameter is greater than the outer diameter of the piston. When the piston is put into the piston through hole of the bottom plate and passes through the piston ring, the piston is in place and triggers the switch at the bottom, the cylinder drives the opening mechanism to descend, the piston ring is contracted under the action of its own elasticity, and falls into the corresponding groove of the piston, so that the installation of the piston ring is completed.

Claims

1. An oil ring hopper structure comprising a floor, characterised in that: Two oil ring material bins are arranged on the bottom plate, and eight linear guides one are arranged between the two oil ring material bins in the radial direction. Each linear guide one is slidably connected with a piston ring guide block having an extension rod. At least two oil ring guide grooves are arranged on each piston ring guide block in the up-down direction. The support surface heights of the two oil ring material bins correspond to the heights of the two oil ring guide grooves, respectively. A ring pushing mechanism is arranged on the bottom plate to push the bottom layer of the oil ring in the oil ring material bin into the oil ring guide groove. A ring opening claw mechanism is arranged below the bottom plate. The ring opening claw mechanism includes a gas cylinder, a motor base in transmission connection with the gas cylinder, a motor mounted on the motor base, a screw nut pair in transmission connection with the motor through a shaft coupling, eight linear guides two radially arranged around the axial circumference of the screw nut pair, a sliding block slidably connected with each linear guide two, an opening claw connected with each sliding block, a connecting rod hingedly connected with each sliding block, and each connecting rod hingedly connected with the screw nut of the screw nut pair, respectively. 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 oil ring hopper structure of claim 1, wherein: The oil ring material bin includes a support plate for supporting the oil ring, a column one for limiting the oil ring, a column two with a ribbed plate for guiding and positioning the oil ring, and a push block for pushing the bottom layer of the oil ring in the material bin. The push block is in transmission connection with the ring pushing mechanism and is connected with the support plate through a return spring. The column one and the column two are fixed on the support plate, and the push block is arranged on the support plate 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 both sides of the column two.

3. The oil ring hopper structure of claim 2, wherein: The column two is provided with an oil ring limiting ribbed plate parallel to the column two, and the oil ring limiting ribbed plate is connected with the column two through a vertical rib.

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