CN207788463U

CN207788463U - A kind of axle sleeve grinding device

Info

Publication number: CN207788463U
Application number: CN201721875345.7U
Authority: CN
Inventors: 何国强
Original assignee: CHONGQING CITY JIANGJIN DISTRICT JINXING MACHINERY Co Ltd
Current assignee: CHONGQING CITY JIANGJIN DISTRICT JINXING MACHINERY Co Ltd
Priority date: 2017-12-28
Filing date: 2017-12-28
Publication date: 2018-08-31
Anticipated expiration: 2027-12-28

Abstract

The utility model provides a kind of axle sleeve grinding device, including shaft, sleeve, polishing knife, locking lid, first piston and second piston, the second piston is located at sliding inner cavity left end, the first piston is adapted with the right opening of the shaft, third piston is installed in the through-hole, the first piston is moved to the left in the sliding inner cavity can push the third piston to be pushed against on sleeve lining, the locking lid is screwed on the shaft right end, the first piston is fixedly connected with the locking lid, the sleeve is equipped with the polishing knife channel that can stretch out the polishing knife, the polishing knife connects telescopic cylinder, the sleeve diameter is more than axle sleeve outer diameter.The utility model drives the polishing knife slowly to stretch out the axle sleeve close to rotation from the polishing knife channel to polish axle sleeve outer wall by the cylinder, in use, axle sleeve can be locked in the shaft by rotating the locking lid, it is easy to operate.

Description

A kind of axle sleeve grinding device

Technical field

The utility model is related to a kind of grinding devices, and in particular to a kind of axle sleeve grinding device.

Background technology

Axle sleeve is often required for polishing to it as mechanical appliance during manufacturing, and common polishing mode All be axle sleeve both ends and then polished by clamping, but axle sleeve both ends often polish less than.

Utility model content

Problem to be solved in the utility model is to provide a kind of axle sleeve for the above-mentioned deficiency in the presence of the prior art Grinding device facilitates polishing axle sleeve outer wall.

To achieve the above object, the utility model uses the following technical solution：A kind of axle sleeve grinding device, including turn Axis, sleeve, polishing knife, locking lid, first piston and second piston, the shaft have a sliding inner cavity of right opening, and described the Two pistons are located at sliding inner cavity left end, and the first piston is adapted with the right opening of the shaft, and the shaft is equipped with more A through-hole, is equipped with third piston in the through-hole, and the spindle outer diameter is less than the internal diameter of workpiece axle sleeve to be polished, and described first Piston is moved to the left in the sliding inner cavity can push the third piston to be pushed against on sleeve lining, the locking lid and institute It states shaft right end to be screwed on, the first piston is fixedly connected with the locking lid, and the sleeve, which is equipped with, can stretch out the polishing The polishing knife channel of knife, the polishing knife connect telescopic cylinder, and the sleeve diameter is more than axle sleeve outer diameter, the shaft connection electricity Machine.

Further, the shaft is equipped with vertical inner cavity, and the vertical interior intracavitary is equipped with the 4th piston, and the described 4th lives It fills in and is connected with rod piece, the rod piece is wound with spring, and the spring is located at the vertical interior intracavitary, and the shaft is equipped with described in confession The perforation of rod movable, the vertical inner cavity are connected to sliding inner cavity left end, the interface channel and institute by interface channel It states the connectivity part of vertical inner cavity and the 4th piston is located at the vertical inner cavity both ends, the 4th piston is located at described Intracavitary is close to one end of the axial line of the shaft in vertical.

Further, the interface channel connects exhaust outlet, and plugging cap is equipped in the exhaust outlet.

Compared with the prior art, the utility model has the advantages that：Described in the utility model is driven by motor Shaft rotates, in use, by stretching into the shaft in workpiece axle sleeve to be polished, then rotates described in the locking lid drive First piston is moved to the left to make intracavitary air pressure in the sliding to increase, and air pressure pushes the third piston to be moved out after increasing Dynamic to be against on sleeve lining, when the first piston continues precession to the left, the third piston is pushed against the sleeve lining Above to which axle sleeve to be fixed in the shaft, drives the shaft rotation to drive axle sleeve to rotate by motor, pass through institute Stating cylinder drives the polishing knife slowly to stretch out the axle sleeve close to rotation from the polishing knife channel to be carried out to axle sleeve outer wall Polishing, in use, axle sleeve can be locked in the shaft by rotating the locking lid, it is easy to operate.

Part is illustrated to embody by the further advantage, target and feature of the utility model by following, and part will also pass through Research and practice to the utility model and be understood by the person skilled in the art.

Description of the drawings

Fig. 1 is a kind of axle sleeve grinding device structural schematic diagram of the utility model.

Specific implementation mode

In order to make, technological means of the utility model, creation characteristic, reached purpose and effect are more clear and are easy to Understand, the utility model is further elaborated with reference to the accompanying drawings and detailed description：

The utility model proposes a kind of axle sleeve grinding devices, including shaft 1, sleeve 2, polishing knife 3, locking lid 4, first Piston 5 and second piston 7,4 inner wall of the locking lid are equipped with spiral salient, and the shaft 1 has the sliding inner cavity 6 of right opening, The second piston 7 is located at 6 left end of sliding inner cavity, and the first piston 5 is adapted with the right opening of the shaft 1, described Shaft 1 is equipped with multiple through-holes 9, and the through-hole 9 is between the first piston 5 and the second piston 7, in the through-hole 9 Third piston 8 is installed, 1 outer diameter of the shaft is less than the internal diameter of workpiece axle sleeve 10 to be polished, and 8 length of third piston is more than For 1 outer wall of the shaft the distance between to 10 inner wall of axle sleeve, the first piston 5 is moved to the left energy in the sliding inner cavity 6 The third piston 8 is pushed to be pushed against on 10 inner wall of axle sleeve, 1 right end of the shaft is equipped with and the matched spiral shell of the spiral salient Groove is revolved, so that the locking lid 4 is rotatably connected with 1 right end of the shaft with the spiral groove by the spiral salient, institute It states first piston 5 to be fixedly connected with the locking lid 4, the sleeve 2 is logical equipped with the polishing knife that can stretch out the polishing knife 3 Road 11, the polishing knife 3 connect telescopic cylinder, and the telescoping rod of the telescopic cylinder connects the polishing knife 3, the sleeve 2 Internal diameter is more than 10 outer diameter of axle sleeve, and the shaft 1 connects motor.

The utility model drives the shaft to rotate by motor, in use, by the way that the shaft is stretched into work to be polished In part axle sleeve, then rotates the locking lid and the first piston is driven to be moved to the left to make intracavitary air pressure in the sliding to increase Greatly, air pressure pushes the third piston to be displaced outwardly and is against on sleeve lining after increasing, when the first piston continues to left-handed Into when, the third piston is pushed against on the sleeve lining so that axle sleeve to be fixed in the shaft, to drive by motor The shaft rotation drives the polishing knife slowly to be stretched from the polishing knife channel to drive axle sleeve to rotate by the cylinder Go out the axle sleeve close to rotation to polish axle sleeve outer wall, in use, can lock axle sleeve by rotating the locking lid It is easy to operate tightly in the shaft.

As specific embodiment, it is contemplated that for the shaft 1 during rotation, the air pressure in the sliding inner cavity 6 can It can go out gas leakage in the sliding inner cavity 6 to which air pressure slowly reduces, so the shaft 1 is equipped with vertical inner cavity 12, it is described The 4th piston 14 is installed in vertical inner cavity 12, the 4th piston 14 is connected with rod piece 13, and the rod piece 13 is wound with spring 15, The spring 15 is located in the vertical inner cavity 12, and the shaft 1 is equipped with for the movable perforation 17 of the rod piece 13, described perpendicular Straight inner cavity 12 is connected to 6 left end of sliding inner cavity, the interface channel 16 and the vertical inner cavity 12 by interface channel 16 Connectivity part is located at 12 both ends of vertical inner cavity with the 4th piston 14, and the 4th piston 14 is located at described vertical interior Close to one end of the axial line of the shaft 1 in chamber 12, when the shaft 1 rotates, the 4th piston 14 is in centrifugal force The lower axial line for deviating the shaft 1 of effect is to squeeze the air in the vertical inner cavity 12, and the air after extruding is with described Interface channel enters 6 left end of sliding inner cavity to push the second piston 7 to move right to which compression is positioned at described the The third piston 8 is continued to be pushed against on 10 inner wall of axle sleeve by the air between one piston 5 and second piston 7.

As specific embodiment, the interface channel 16 connects exhaust outlet 18, and plugging cap is equipped in the exhaust outlet 18, By taking out the plugging cap to which the discharge of the gas of 7 left end of the vertical inner cavity 12 and the second piston is conveniently made described the Four pistons 14 return to the axle center line position close to the shaft 1 under the action of the spring 15.

As specific embodiment, be additionally provided with first level channel in the shaft 1, the locking lid 4 be equipped with it is described 19 corresponding second horizontal channel 20 of first level channel, the first level channel 19 interlock with the through-hole 9, and described One horizontal channel 19 is connected to the exhaust outlet 18, and first water is passed through by stretching into a rod piece from second horizontal channel 20 Flat channel 19 is blocked while the exhaust outlet closes exhaust outlet 18 and the locking lid 4 can be locked in the shaft 1 4 rotational slide in the shaft 1 of locking lid when preventing the shaft 1 from rotating, the first level channel 19 count Amount is 1 or 2, and second horizontal channel 20 in the locking lid 4 is multiple is looped around in the locking lid 4.

Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the right of the utility model.

Claims

1. a kind of axle sleeve grinding device, it is characterised in that：Including shaft (1), sleeve (2), polishing knife (3), locking lid (4), the There is the sliding inner cavity (6) of right opening, the second piston (7) to be located at for one piston (5) and second piston (7), the shaft (1) Sliding inner cavity (6) left end, the first piston (5) are adapted with the right opening of the shaft (1), and the shaft (1) is equipped with Multiple through-holes (9), the through-hole (9) is interior to be equipped with third piston (8), and shaft (1) outer diameter is less than workpiece axle sleeve to be polished (10) internal diameter, the first piston (5) is moved to the left in the sliding inner cavity (6) can push the third piston (8) to support Tightly on axle sleeve (10) inner wall, the locking lid (4) is screwed on the shaft (1) right end, the first piston (5) and the lock Tight lid (4) is fixedly connected, and the sleeve (2) is equipped with the polishing knife channel (11) that can stretch out the polishing knife (3), the polishing Knife (3) connects telescopic cylinder, and sleeve (2) internal diameter is more than axle sleeve (10) outer diameter, and the shaft (1) connects motor.

2. a kind of axle sleeve grinding device according to claim 1, it is characterised in that：The shaft (1) is equipped with vertical inner cavity (12), the 4th piston (14) is installed in the vertical inner cavity (12), the 4th piston (14) is connected with rod piece (13), described Rod piece (13) is wound with spring (15), and the spring (15) is located in the vertical inner cavity (12), and the shaft (1) is equipped with for institute The movable perforation (17) of rod piece (13) is stated, the vertical inner cavity (12) is connected to the sliding inner cavity (6) by interface channel (16) Left end, the interface channel (16) are located at described with the connectivity part of the vertical inner cavity (12) and the 4th piston (14) Vertical inner cavity (12) both ends, the 4th piston (14) are located at the axle center close to the shaft (1) in the vertical inner cavity (12) One end of line.

3. a kind of axle sleeve grinding device according to claim 2, it is characterised in that：The interface channel (16) connects exhaust outlet (18), plugging cap is installed in the exhaust outlet (18).