阅读说明：本技术 一种准确定位活塞环槽位置的装置 (Device for accurately positioning piston ring groove ) 是由 朱岩 于 2021-09-29 设计创作，主要内容包括：本发明公开了一种准确定位活塞环槽位置的装置,包括：支架,其底侧的中部安装有气缸,顶侧通过螺栓固定连接有若干支撑杆,且支撑杆用于固定活塞夹具件；定位组件,其设置于气缸配套活塞杆的一端,所述活塞夹具件的外侧开设有滑槽,所述定位组件用于定位支撑活塞夹具件；其技术要点为,通过对活塞及活塞环槽位置尺寸进行计算,将限位板由两片改为一片整体限位,活塞夹具件内配套的活塞顶到限位片时不易变形,实现精准定位,限位准确,使三道活塞环装配到位；整体限位板采用可拆换、可调整结构、通过更换可配置多种形态的结构方式,装配活塞环时活塞限位准确,活塞环可精准的落在活塞环槽中心位置,提高装配效率和装配质量。(The invention discloses a device for accurately positioning a piston ring groove, which comprises: the middle part of the bottom side of the bracket is provided with a cylinder, the top side of the bracket is fixedly connected with a plurality of support rods through bolts, and the support rods are used for fixing the piston clamp piece; the positioning assembly is arranged at one end of a piston rod matched with the air cylinder, a sliding groove is formed in the outer side of the piston clamp piece, and the positioning assembly is used for positioning and supporting the piston clamp piece; the piston clamp has the technical key points that two limiting plates are changed into one integral limiting plate by calculating the position sizes of the piston and the piston ring groove, and a matched piston in the piston clamp is not easy to deform when pushing against the limiting plate, so that accurate positioning is realized, the limiting is accurate, and three piston rings are assembled in place; whole limiting plate adopts removable, adjustable structure, can dispose the structural style of multiple form through changing, and the piston is spacing accurate during the assembly piston ring, and the piston ring can be accurate drop on piston ring groove central point and put, improves assembly efficiency and assembly quality.)

1. An apparatus for accurately locating a position of a piston ring groove, comprising:

the middle part of the bottom side of the bracket (1) is provided with a cylinder (3), the top side of the bracket is fixedly connected with a plurality of support rods (5) through bolts, and the support rods (5) are used for fixing the piston clamp piece (2);

the positioning assembly (4) is arranged at one end of a piston rod matched with the cylinder (3), a sliding groove (203) is formed in the outer side of the piston clamp piece (2), and the positioning assembly (4) is used for positioning and supporting the piston clamp piece (2); and

and the limiting plate (6) is used for limiting the matched piston in the piston clamp piece (2), movably arranged between the two groups of adjacent supporting rods (5) and tightly attached to the end surface of the piston clamp piece (2).

2. An apparatus for accurately locating a piston ring groove as defined in claim 1, wherein: storage tank (201) and three group's mounting grooves (202) have been seted up to the inner wall of piston holder spare (2), each mounting groove (202) all run through storage tank (201), on the coplanar, each mounting groove (202) are the parallel to each other formula and distribute.

3. An apparatus for accurately locating a piston ring groove as defined in claim 1, wherein: the positioning assembly (4) comprises a joint (41), two sets of piston ring expansion pieces (43) and a transmission rod (42) for connecting the joint (41) and the piston ring expansion pieces (43).

4. An apparatus for accurately locating a piston ring groove as defined in claim 3, wherein: two ends of the transmission rod (42) are movably connected with the joint (41) and the piston ring expansion piece (43) respectively, and the piston ring expansion piece (43) can be clamped into the corresponding sliding groove (203).

5. An apparatus for accurately locating a piston ring groove as defined in claim 1, wherein: the outer wall of the piston clamp piece (2) is fixedly connected with a fixing plate (7) through a bolt, and the fixing plate (7) is used for positioning the piston ring expansion piece (43) and can be tightly attached to the inner wall of the piston ring expansion piece (43).

6. An apparatus for accurately locating a piston ring groove as defined in claim 1, wherein: the limiting plate (6) is of an integral structure, and two ends of the limiting plate (6) can be inserted into slots preset in the surface of the supporting rod (5).

Technical Field

The invention belongs to the field of piston ring assembly, and particularly relates to a device for accurately positioning a piston ring groove.

Background

In the piston connecting rod process, a piston ring is assembled by using a piston ring tool, an operator controls the assembly of the piston ring and the position of the ring groove by feeling or using two pieces of rubber sheets, and sometimes, the piston ring is deviated and does not fall off due to position mismatch and is reworked;

the existing assembly operation is to use two films, and when the piston ring is assembled on the top of a piston ring tool and the piston is limited by the two films originally, the two films of the piston ring tool limit the piston, the limit is not accurate during the operation of assembling the piston ring, so that the piston ring cannot be correctly positioned in a groove during the assembly of the piston ring, and the efficiency is influenced by frequent reworking; because it is spacing with two films, easily lead to warping when the piston pushes up spacing piece, spacing inaccurate.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a device for accurately positioning a piston ring groove.

In order to achieve the purpose, the invention adopts the following technical scheme:

an apparatus for accurately locating a piston ring groove, comprising:

the middle part of the bottom side of the bracket is provided with a cylinder, the top side of the bracket is fixedly connected with a plurality of support rods through bolts, and the support rods are used for fixing the piston clamp piece;

the positioning assembly is arranged at one end of a piston rod matched with the air cylinder, a sliding groove is formed in the outer side of the piston clamp piece, and the positioning assembly is used for positioning and supporting the piston clamp piece; and

and the limiting plate is used for limiting the matched piston in the piston clamp piece, movably arranged between two groups of adjacent supporting rods and tightly attached to the end face of the piston clamp piece.

Preferably, the inner wall of piston anchor clamps spare has been seted up storage tank and three mounting grooves of group, each the mounting groove all runs through the storage tank, on the coplanar, each the mounting groove is the parallel to each other formula and distributes.

Preferably, the positioning assembly comprises a joint, two sets of piston ring expansions, and a transmission rod for connecting the joint and the piston ring expansions.

Preferably, both ends of the transmission rod are movably connected with the joint and the piston ring expansion piece respectively, and the piston ring expansion piece can be clamped in the corresponding sliding groove.

Preferably, the outer wall of the piston clamp piece is fixedly connected with a fixing plate through a bolt, and the fixing plate is used for positioning the piston ring expansion piece and can be tightly attached to the inner wall of the piston ring expansion piece.

Preferably, the limiting plate is of an integral structure, and two ends of the limiting plate can be inserted into slots preset on the surface of the supporting rod.

Compared with the prior art, the invention provides a device for accurately positioning the position of a piston ring groove, which has the following beneficial effects:

through calculating piston and piston ring groove position size, change the limiting plate into a slice by two and wholly spacing, non-deformable when the supporting piston pushes up spacing piece in the piston anchor clamps spare realizes accurate location, and is spacing accurate, makes three piston rings assemble in place.

Whole limiting plate adopts removable, adjustable structure, can dispose the structural style of multiple form through changing, and the piston is spacing accurate during the assembly piston ring, and the piston ring can be accurate drop on piston ring groove central point and put, improves assembly efficiency and assembly quality.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a positioning assembly according to the present invention;

FIG. 3 is a schematic view of the piston holder assembly of the present invention;

fig. 4 is a schematic diagram of a limiting plate structure of the invention.

Reference numerals: 1. a support; 2. a piston clamp member; 201. a containing groove; 202. mounting grooves; 203. a chute; 3. a cylinder; 4. a positioning assembly; 41. a joint; 42. a transmission rod; 43. a piston ring expansion piece; 5. a support bar; 6. a limiting plate; 7. and (7) fixing the plate.

Detailed Description

The following will further describe a specific embodiment of the device for accurately positioning a piston ring groove according to the present invention with reference to fig. 1. The apparatus for accurately positioning the position of the piston ring groove of the present invention is not limited to the description of the following embodiments.

The present embodiment provides a specific structure of a device for accurately positioning a piston ring groove, as shown in fig. 1 to 4, the device for accurately positioning a piston ring groove includes:

the middle part of the bottom side of the bracket 1 is provided with a cylinder 3, the top side of the bracket is fixedly connected with a plurality of support rods 5 through bolts, and the support rods 5 are used for fixing the piston clamp piece 2;

the positioning assembly 4 is arranged at one end of the piston rod matched with the cylinder 3, a sliding groove 203 is formed in the outer side of the piston clamp piece 2, and the positioning assembly 4 is used for positioning and supporting the piston clamp piece 2; and

and the limiting plate 6 is used for limiting the matched piston in the piston clamp piece 2, movably arranged between the two groups of adjacent supporting rods 5 and tightly attached to the end surface of the piston clamp piece 2.

As shown in fig. 3, the inner wall of the piston clamping member 2 is provided with a receiving groove 201 and three sets of mounting grooves 202, each mounting groove 202 penetrates through the receiving groove 201, and the mounting grooves 202 are distributed in parallel on the same plane.

As shown in fig. 2, the positioning assembly 4 includes a joint 41, two sets of piston ring expansions 43, and a transmission rod 42 for connecting the joint 41 and the piston ring expansions 43.

As shown in fig. 2 and 3, the two ends of the transmission rod 42 are movably connected with the joint 41 and the piston ring spreading member 43, respectively, and the piston ring spreading member 43 can be clamped into the corresponding sliding groove 203.

Specifically, when in use, an operator manually puts the gas ring, the oil scraper ring and the oil ring into the mounting groove 202;

then when using cylinder 3, promote piston ring expansion piece 43 through the supporting piston of cylinder 3 and slide in spout 203, the expanding piece of the design of two piston ring expansion piece 43 one end can separate each other, and the expanding piece can distribute in storage tank 201 to drive air ring, scraper ring and oil ring and strut.

As shown in fig. 2, the outer wall of the piston holding member 2 is fixedly connected with a fixing plate 7 by bolts, and the fixing plate 7 is used for positioning the piston ring spreading member 43 and can be closely attached to the inner wall of the piston ring spreading member 43.

It should be noted that the fixing plates 7 are fixedly connected to both sides of the upper end of the sliding groove 203 by screws, so as to ensure that the piston ring spreading members 43 are stably fixed in the corresponding sliding grooves 203.

As shown in fig. 1 and 4, the position-limiting plate 6 is of an integral structure, and both ends of the position-limiting plate 6 can be inserted into slots preset on the surface of the supporting rod 5.

Through calculating piston and piston ring groove position size, change the limiting plate into a slice by two and wholly spacing, non-deformable when the supporting piston pushes up spacing piece in the piston anchor clamps spare realizes accurate location, and is spacing accurate, makes three piston rings assemble in place.

Whole limiting plate adopts removable, adjustable structure, can dispose the structural style of multiple form through changing, and the piston is spacing accurate during the assembly piston ring, and the piston ring can be accurate drop on piston ring groove central point and put, improves assembly efficiency and assembly quality.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.