CN211939770U

CN211939770U - Leading-in type assembling mechanism of valve guide retainer ring assembling machine

Info

Publication number: CN211939770U
Application number: CN202020302699.8U
Authority: CN
Inventors: 唐祖明
Original assignee: Chongqing Ruoheng Technology Co ltd
Current assignee: Chongqing Ruoheng Technology Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-11-17
Anticipated expiration: 2030-03-12

Abstract

The utility model relates to the technical field of assembly devices, in particular to a leading-in type assembly device of a valve guide retainer ring assembly machine, which comprises a conveyor belt, wherein a second fixing plate is arranged right above the conveyor belt, a second cylinder is arranged at the bottom of the second fixing plate, a first fixing plate is welded at the end part of a piston rod of the second cylinder, a first cylinder is vertically arranged at the middle part of the bottom of the first fixing plate, a leading-in device is welded at the end part of a piston rod of the first cylinder, a U-shaped fixing member is arranged at the bottom of the first fixing plate and at the edges of the two ends, and a U-shaped limiting plate is; the air valve guide pipe is movably inserted into the conical guide post. According to the leading-in type assembling mechanism of the valve guide clamping ring assembling machine, the valve guide fixing position of the clamping ring to be installed can be fixed through the first tubular limiting part, and the clamping ring can be smoothly led into the clamping ring positioning groove of the valve guide downwards through the cooperation of the conical guide column and the leading-in device.

Description

Leading-in type assembling mechanism of valve guide retainer ring assembling machine

Technical Field

The utility model relates to an assembly devices technical field specifically is a leading-in type assembly devices of valve pipe rand assembly machine.

Background

The valve guide pipe is a guide device of an engine valve, the inner and outer cylindrical surfaces of the valve guide pipe are pressed into a valve guide pipe hole of a cylinder cover or a cylinder body after being processed, a guide effect is achieved on a valve rod, heat on the valve rod can be transferred to the cylinder cover, in order to prevent the valve guide pipe from axially rotating during working, a clamping ring positioning groove is formed in the outer side of the valve guide pipe, a clamping ring is required to be installed in the clamping ring positioning groove, sealing performance and friction force of a fixed connection part are improved, and the valve guide pipe is prevented from moving and falling into the cylinder.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a leading-in formula assembly devices of valve guide rand assembly machine to propose the comparatively complicated problem of assembly devices of current valve guide rand assembly machine among the above-mentioned background art of solution.

In order to achieve the above object, the utility model provides a following technical scheme:

a leading-in type assembling mechanism of an air valve guide pipe clamping ring assembling machine comprises a conveyor belt, wherein a plurality of first tubular limiting parts which are arranged at equal intervals are arranged on the surface of the conveyor belt, an air valve guide pipe is movably inserted in each first tubular limiting part, a second fixing plate is arranged right above the conveyor belt, a second air cylinder is arranged at the bottom of each second fixing plate, a first fixing plate is welded at the end part of a piston rod of each second air cylinder, a first air cylinder is vertically arranged in the middle of the bottom of the first fixing plate, a leading-in device is welded at the end part of the piston rod of each first air cylinder and comprises a first circular fixing block, six connecting rods which are arranged in an annular array are arranged at the edge of the bottom of each first circular fixing block, a second circular fixing block is arranged at the bottom of each connecting rod, a first circular groove is formed at the bottom of the second circular fixing block, and a second circular through hole is formed at, a U-shaped fixing piece is arranged at the bottom of the first fixing plate and at the edges of the two ends of the first fixing plate, a U-shaped limiting plate is arranged at the bottom of the inner wall of the U-shaped fixing piece, the opening end of the U-shaped limiting plate is bonded with the bottom of the inner wall of the U-shaped fixing piece, and a first circular through hole is formed in the middle of the transverse plate of the U-shaped limiting plate; the air valve guide pipe is movably inserted into the conical guide post, and a second circular groove is formed in the bottom of the conical guide post.

Preferably, the middle part of the bottom of the inner wall of the U-shaped fixing piece is provided with a second tubular limiting piece communicated with the outside, and the inner diameter of the second tubular limiting piece is matched with the outer diameter of the valve guide pipe.

Preferably, the inner diameter of the second circular groove is matched with the outer diameter of the top end of the valve guide pipe.

Preferably, the inner diameter of the first circular through hole is larger than the outer diameter of the second circular fixing block.

Preferably, the inner diameter of the second circular through hole is larger than the maximum outer diameter of the conical guide post.

Compared with the prior art, the beneficial effects of the utility model are that:

this leading-in formula assembly devices of valve guide rand assembly machine can be with waiting to install the valve guide fixed position of rand through the first tubulose locating part that is equipped with, can make valve guide further fixed position through the second tubulose locating part that is equipped with, can lead to the rand in the snap ring constant head tank of valve guide downwards smoothly through the cooperation of toper guide post and gatherer.

Drawings

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

FIG. 2 is a schematic view of a U-shaped fixing member according to the present invention;

fig. 3 is a schematic structural view of a lead-in device of the present invention;

fig. 4 is a schematic structural view of the conical guide post of the present invention.

In the figure: the device comprises a conveyor belt 1, a first tubular limiting part 10, a U-shaped fixing part 2, a U-shaped limiting plate 20, a first circular through hole 200, a second tubular limiting part 21, a first fixing plate 3, a first air cylinder 4, a guiding device 5, a first circular fixing block 50, a connecting rod 51, a second circular fixing block 52, a first circular groove 520, a second circular through hole 521, a conical guide post 6, a second circular groove 60, a second fixing plate 7, a second air cylinder 8 and a valve guide pipe 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

a leading-in type assembly mechanism of a valve guide retainer ring assembly machine comprises a conveyor belt 1, a plurality of first tubular limiting parts 10 which are distributed at equal intervals are arranged on the surface of the conveyor belt 1, the first tubular limiting parts 10 play a role in fixing a valve guide 9, a valve guide 9 is movably inserted in each first tubular limiting part 10, a second fixing plate 7 is arranged right above the conveyor belt 1, the second fixing plate 7 is fixedly installed through a screw retainer ring assembly machine, a second air cylinder 8 is arranged at the bottom of the second fixing plate 7, the first fixing plate 3 can be controlled to move upwards or downwards through the second air cylinder 8, so that the valve guide 9 can continue to move after the retainer ring is installed, another valve guide 9 to be installed with the retainer ring can enter the assembly mechanism, the first fixing plate 3 is welded at the end part of a piston rod of the second air cylinder 8, and a first air cylinder 4 is vertically arranged in the middle part of the bottom of the first fixing, the leading-in device 5 is controlled to move upwards or downwards by the first cylinder 4, so that the leading-in device 5 can reset and move after the clamping ring is led into the clamping ring positioning groove of the valve guide pipe 9, the leading-in device 5 is welded at the end part of a piston rod of the first cylinder 4, the clamping ring is pushed downwards from the outer side of the conical guide post 6 by the leading-in device 5, so that the clamping ring can smoothly enter the clamping ring positioning groove of the valve guide pipe 9, the leading-in device 5 comprises a first circular fixed block 50, six connecting rods 51 distributed in an annular array are arranged at the bottom edge of the first circular fixed block 50, a second circular fixed block 52 is arranged at the bottom of each connecting rod 51, a first circular groove 520 is formed at the bottom of the second circular fixed block 52, a second circular through hole 521 is formed at the bottom of the inner wall of the first circular groove 520, U-shaped fixing pieces 2 are arranged at the, the assembly mechanism can integrally move upwards or downwards through the U-shaped fixing piece 2, the U-shaped limiting plate 20 is arranged at the bottom of the inner wall of the U-shaped fixing piece 2, the leading-in device 5 is limited through the U-shaped limiting plate 20, the phenomenon that the leading-in device 5 deflects when pushing a clamping ring is avoided, the open end of the U-shaped limiting plate 20 is bonded with the bottom of the inner wall of the U-shaped fixing piece 2, and the middle of the transverse plate of the U-shaped limiting plate 20 is provided with a first circular through hole 200; the valve guiding device further comprises a conical guide post 6 movably inserted with the valve guiding pipe 9, a second circular groove 60 is formed in the bottom of the conical guide post 6, and the clamping ring can be smoothly guided into the clamping ring positioning groove of the valve guiding pipe 9 downwards through the conical guide post 6.

In this embodiment, the middle of the bottom of the inner wall of the U-shaped fixing member 2 is provided with a second tubular limiting member 21 communicated with the outside, the inner diameter of the second tubular limiting member 21 is matched with the outer diameter of the valve guide 9, and the second tubular limiting member 21 further fixes the valve guide 9.

Specifically, the inner diameter of the second circular groove 60 is matched with the outer diameter of the top end of the valve guide pipe 9, so that the conical guide post 6 can be smoothly connected with the valve guide pipe 9 when in use and can be smoothly taken down when in taking.

Further, the inner diameter of the first circular through hole 200 is larger than the outer diameter of the second circular fixing block 52, so that the guiding device 5 can smoothly move downwards.

In addition, the inner diameter of the second circular through hole 521 is larger than the maximum outer diameter of the tapered guide post 6, so that the guiding device 5 can smoothly pass through the tapered guide post 6, and the collar can be pushed into the retaining ring positioning groove of the valve guide 9 by the guiding device 5.

It should be noted that, the first cylinder 4 and the second cylinder 8 in the present invention both adopt standard cylinders made by the medium pile pneumatic technology ltd and having model number SC-32 x 200, and the pneumatic components matched with the standard cylinders can also be provided by the manufacturer; furthermore, the cylinder that the utility model relates to is prior art, and the field technical staff can realize completely, need not to be proud, and the utility model discloses the content of protection does not relate to the structure and the theory of operation improvement to the cylinder yet.

When the lead-in type assembling mechanism of the valve guide collar assembling machine of the embodiment is used, under the action of the first cylinder 4, the first fixing plate 3 and the U-shaped fixing piece 2 are driven to move downwards, so that the valve guide 9 passes through the second tubular limiting piece 21, then a user sleeves the collar on the outer side of the conical guide post 6, the conical guide post 6 passes through the first circular through hole 200, so that the second circular groove 60 is sleeved and inserted at the top end of the valve guide 9, under the action of the second cylinder 8, the lead-in device 5 is pushed downwards, the collar is positioned in the first circular groove 520 of the second circular fixing block 52 and moves downwards along with the second circular fixing block 52, and under the guide action of the conical guide post 6, the collar is guided into the collar positioning groove of the valve guide 9, so that the assembling of the valve guide collar 9 is completed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a leading-in formula assembly devices of valve guide rand assembly machine, includes conveyer belt (1), its characterized in that: the conveying belt is characterized in that a plurality of first tubular limiting parts (10) which are arranged at equal intervals are arranged on the surface of the conveying belt (1), a valve guide pipe (9) is movably inserted in each first tubular limiting part (10), a second fixing plate (7) is arranged right above the conveying belt (1), a second air cylinder (8) is arranged at the bottom of the second fixing plate (7), a first fixing plate (3) is welded at the end part of a piston rod of the second air cylinder (8), a first air cylinder (4) is vertically arranged in the middle of the bottom of the first fixing plate (3), a leading-in device (5) is welded at the end part of the piston rod of the first air cylinder (4), the leading-in device (5) comprises a first circular fixed block (50), six connecting rods (51) which are arranged in an annular array are arranged at the edge of the bottom of the first circular fixed block (50), and a second circular fixed block (52) is arranged at the bottom, a first circular groove (520) is formed in the bottom of the second circular fixing block (52), a second circular through hole (521) is formed in the bottom of the inner wall of the first circular groove (520), a U-shaped fixing piece (2) is arranged at the bottom of the first fixing plate (3) and at the edges of the two ends, a U-shaped limiting plate (20) is arranged at the bottom of the inner wall of the U-shaped fixing piece (2), the open end of the U-shaped limiting plate (20) is bonded with the bottom of the inner wall of the U-shaped fixing piece (2), and a first circular through hole (200) is formed in the middle of a transverse plate of the U-shaped limiting plate (20); the air valve guide pipe (9) is movably inserted into the conical guide post (6), and a second circular groove (60) is formed in the bottom of the conical guide post (6).

2. The lead-in assembly mechanism of a valve guide collar assembly machine of claim 1, wherein: the middle part of the bottom of the inner wall of the U-shaped fixing piece (2) is provided with a second tubular limiting piece (21) communicated with the outside, and the inner diameter of the second tubular limiting piece (21) is matched with the outer diameter of the valve guide pipe (9).

3. The lead-in assembly mechanism of a valve guide collar assembly machine of claim 1, wherein: the inner diameter of the second circular groove (60) is matched with the outer diameter of the top end of the valve guide pipe (9).

4. The lead-in assembly mechanism of a valve guide collar assembly machine of claim 1, wherein: the inner diameter of the first circular through hole (200) is larger than the outer diameter of the second circular fixing block (52).

5. The lead-in assembly mechanism of a valve guide collar assembly machine of claim 1, wherein: the inner diameter of the second circular through hole (521) is larger than the maximum outer diameter of the conical guide post (6).