CN214393641U

CN214393641U - Shaft sleeve polishing and positioning device

Info

Publication number: CN214393641U
Application number: CN202023109310.7U
Authority: CN
Inventors: 曹林康; 曹俊杰; 孙连卷
Original assignee: Shanghai Yuting Precision Hardware Co ltd
Current assignee: Shanghai Yuting Precision Hardware Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-10-15
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a shaft sleeve grinding and positioning device, the on-line screen storage device comprises a base, the upside fixed mounting of base has the backup pad, the backup pad rotates through the bearing and is connected with the sleeve pipe that runs through, sheathed tube front end side articulates respectively has first connecting rod and the second connecting rod of four group's symmetries, the upper end and the curved splint of first connecting rod, second connecting rod are articulated, install on the base and be used for the rotatory motor of driving sleeve, sheathed tube inner chamber sliding connection has the inner tube, the tip welding of inner tube has the support of four symmetries, it has the push rod to articulate in the support, the other end of push rod is articulated with the middle part of second connecting rod. The four clamping plates capable of being synchronously opened and closed are utilized to position from the internal tensioning shaft sleeve, the motor drives the sleeve to rotate, the shaft sleeve positioned after tensioning can synchronously rotate along with the sleeve, then the whole outer surface of the shaft sleeve can be polished by abrasive paper, the direction does not need to be turned, and the clamping is carried out again, so that the processing efficiency can be effectively improved.

Description

Shaft sleeve polishing and positioning device

Technical Field

The utility model relates to an axle sleeve processing technology field specifically is an axle sleeve positioner that polishes.

Background

The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing. Typically, the sleeve is an interference fit with the bearing seat and a clearance fit with the shaft. The shaft sleeve generally has higher requirements on the roughness and the machining precision of the surface, the grinding treatment is needed in the machining process, the inner surface is ground, the claw disc can be directly used for positioning and clamping, but when the outer surface is ground, if the claw disc is used for clamping, the clamped part cannot be ground, the direction needs to be turned for clamping again, and the grinding efficiency can be influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shaft sleeve positioner that polishes to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shaft sleeve positioner that polishes, includes the base, the upside fixed mounting of base has the backup pad, the backup pad rotates through the bearing and is connected with the sleeve pipe that runs through, sheathed tube front end side articulates respectively has first connecting rod and the second connecting rod of four group's symmetries, the upper end and the curved splint of first connecting rod, second connecting rod are articulated, install on the base and be used for the rotatory motor of driving sleeve, sheathed tube inner chamber sliding connection has the inner tube, the tip welding of inner tube has the support of four symmetries, it has the push rod to articulate in the support, the other end of push rod is articulated with the middle part of second connecting rod, the inner wall of inner tube is equipped with internal thread and spiro union has the lead screw, the lead screw passes through the bearing rotation with the sleeve pipe and is connected.

Preferably, the side face of the front end of the sleeve and the inner side of the clamping plate are welded with support lugs for hinging.

Preferably, a first belt pulley is fixedly mounted on an output shaft of the motor, a second belt pulley is mounted at the tail of the sleeve, and the first belt pulley and the second belt pulley are connected through a belt.

Preferably, the outer part of the clamping plate is bonded with a rubber non-slip mat, and the first connecting rod and the second connecting rod are equal in length and parallel to each other.

Preferably, a handle which penetrates through the screw rod in the radial direction is fixedly installed at the end part of the screw rod, and the handle is rod-shaped.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses utilize four splint that can open and shut in step to fix a position from the inside tight axle sleeve that rises, rotatory by the motor drive sleeve pipe, the axle sleeve after the tight location that rises can synchronous revolution thereupon, then available abrasive paper is polished its whole surface, does not need to transfer the direction clamping again, consequently machining efficiency that can effectual improvement, the simple structure of this device in addition can realize the clamping to the axle sleeve, convenient operation through turning handle.

Drawings

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

fig. 2 is a schematic cross-sectional view taken along line a-a of fig. 1 according to the present invention.

In the figure: 1. a base; 2. a motor; 3. a support plate; 4. a sleeve; 5. a screw rod; 6. a handle; 7. a second pulley; 8. a first pulley; 9. a splint; 10. a first link; 11. a second link; 12. a push rod; 13. a support; 14. an inner tube; 15. supporting a lug; 16. a non-slip mat.

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.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a shaft sleeve positioner that polishes, includes base 1, and base 1's upside fixed mounting has backup pad 3, and backup pad 3 rotates through the bearing to be connected with the sleeve pipe 4 that runs through, and sleeve pipe 4 can be equivalent to backup pad 3 and rotate.

The front end side of sleeve pipe 4 articulates respectively has first connecting rod 10 and the second connecting rod 11 of four groups of symmetries, first connecting rod 10, the upper end of second connecting rod 11 is articulated with curved splint 9, sleeve pipe 4's front end side, splint 9's inboard all welds has articulated usefulness journal stirrup 15, splint 9's outside bonds has rubber material's slipmat 16, slipmat 16 and the inner wall contact increase frictional force of axle sleeve, first connecting rod 10, second connecting rod 11's length equals and is parallel to each other, make splint 9 keep parallel for the sleeve pipe 4 axis all the time.

Install on the base 1 and be used for the rotatory motor 2 of drive sleeve 4, fixed mounting has first belt pulley 8 on motor 2's the output shaft, and second belt pulley 7 is installed to sleeve 4's afterbody, is connected through the belt between first belt pulley 8 and the second belt pulley 7, and first belt pulley 8 is the same with second belt pulley 7's size.

The inner chamber sliding connection of sleeve pipe 4 has inner tube 14, and the tip welding of inner tube 14 has the support 13 of four symmetries, and it has push rod 12 to articulate in the support 13, and the other end of push rod 12 is articulated with the middle part of second connecting rod 11, and the inner wall of inner tube 14 is equipped with internal thread and spiro union has lead screw 5, lead screw 5 passes through the bearing rotation with sleeve pipe 4 and is connected, and the outside distribution of lead screw 5 has transmission screw, and the tip fixed mounting of lead screw 5 has the handle 6 that radially runs through, and handle 6 is shaft-like, rotates lead screw 5 through handle 6, can adjust the extension length of inner tube 14 right-hand members, and push rod 12 drives second connecting rod 11 and opens and shuts, adjusts the splint 9 interval to sleeve pipe 4 axis.

The working principle is as follows: when polishing and processing, the shaft sleeve is sleeved among the four clamping plates 9, then the screw rod 5 is rotated through the handle 6, the rotation of the screw rod 5 can drive the inner pipe 14 to move transversely, the inner pipe 14 needs to move inwards in the tensioning shaft sleeve, the push rods 12 respectively push the four groups of second connecting rods 11 to open outwards, the four clamping plates 9 synchronously move outwards to contact with the inner wall of the shaft sleeve and tension the shaft sleeve, the motor 2 is used for driving the sleeve 4 to rotate, the shaft sleeve positioned by tension can synchronously rotate along with the shaft sleeve, and then the whole outer surface of the shaft sleeve can be polished by using sand paper.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shaft sleeve positioner that polishes, includes base (1), its characterized in that: the upper side fixed mounting of base (1) has backup pad (3), backup pad (3) rotate through the bearing and be connected with sleeve pipe (4) that runs through, the front end of sleeve pipe (4) side articulates respectively has first connecting rod (10) and second connecting rod (11) of four groups of symmetries, the upper end of first connecting rod (10), second connecting rod (11) is articulated with curved splint (9), install on base (1) and be used for driving motor (2) that sleeve pipe (4) is rotatory, the inner chamber sliding connection of sleeve pipe (4) has inner tube (14), the tip welding of inner tube (14) has support (13) of four symmetries, it has push rod (12) to articulate in support (13), the other end of push rod (12) is articulated with the middle part of second connecting rod (11), the inner wall of inner tube (14) is equipped with internal thread and spiro union has lead screw (5), the screw rod (5) is rotatably connected with the sleeve (4) through a bearing.

2. The shaft sleeve grinding and positioning device as claimed in claim 1, wherein: and the side surface of the front end of the sleeve (4) and the inner side of the clamping plate (9) are welded with support lugs (15) for hinging.

3. The shaft sleeve grinding and positioning device as claimed in claim 1, wherein: the automatic belt conveyor is characterized in that a first belt pulley (8) is fixedly mounted on an output shaft of the motor (2), a second belt pulley (7) is mounted at the tail of the sleeve (4), and the first belt pulley (8) is connected with the second belt pulley (7) through a belt.

4. The shaft sleeve grinding and positioning device as claimed in claim 1, wherein: the outer portion of the clamping plate (9) is bonded with a rubber antiskid pad (16), and the first connecting rod (10) and the second connecting rod (11) are equal in length and parallel to each other.

5. The shaft sleeve grinding and positioning device as claimed in claim 1, wherein: the end part of the screw rod (5) is fixedly provided with a handle (6) which penetrates through in the radial direction, and the handle (6) is rod-shaped.