CN209953822U

CN209953822U - Mechanical main shaft convenient to dismantle

Info

Publication number: CN209953822U
Application number: CN201920576987.XU
Authority: CN
Inventors: 薛敏霞
Original assignee: Wuxi Xinlong Bearing Co Ltd
Current assignee: Wuxi Xinlong Bearing Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-01-17
Anticipated expiration: 2029-04-25

Abstract

The utility model provides a mechanical main shaft convenient to dismantle relates to mechanical parts technical field, this mechanical main shaft convenient to dismantle, including the axis body, the installation end of axis body is provided with bushing mechanism, and bushing mechanism includes the fixed cover of fixed connection at axis body installation end, and fixed cover is equipped with lantern ring screw thread, and it has the thread groove to open on the lantern ring screw thread, and fixed sheatheeing in is opened there is the casing groove, the installation side of fixed cover is opened there is the fixed orifices, the outside of axis body is provided with screw bearing inner circle mechanism, be provided with bolt ring mechanism and bolt rod mechanism on the axis body. This mechanical main shaft convenient to dismantle because fixed cover has been installed to the shaft body increase, has seted up screw thread on fixed sheatheeing, at bearing inner circle set up screw thread, makes the shaft body just can the roll-off bearing through the rotation, need dismantle make only need extract the bolt dead lever with the rotatory roll-off of shaft body can to this can reach convenient to dismantle's effect.

Description

Mechanical main shaft convenient to dismantle

Technical Field

The utility model relates to a mechanical parts technical field specifically is a mechanical main shaft convenient to dismantle.

Background

The mechanical spindle refers to a shaft on a machine tool for driving a workpiece or a cutter to rotate. Usually by the main shaft, the main shaft part is constituteed such as bearing and driving medium gear or band pulley, for the stability of assurance main shaft when operation, external bearing inner ring all is through the interference means on the main shaft basically, with bearing or other lantern ring fixed connection on the main shaft, so main shaft and main epaxial bearing inner ring are connected very firmly, firm in connection is favorable to mechanical transmission and even running under the normal conditions, but all have self service life as mechanical main shaft, the year expires or meets unexpected circumstances, when needing to dismantle the main shaft, the inconvenient condition of dismantlement appears very easily, consequently need design one can be firm in connection with the main shaft when production, need dismantle the messenger again can convenient and fast's mechanical main shaft.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a convenient to detach's mechanical main shaft has solved the inconvenient problem of dismantling of mechanical main shaft.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a machinery main shaft convenient to dismantle, includes the axis body, the installation end of axis body is provided with bushing mechanism, and bushing mechanism includes fixed cover of fixed connection at axis body installation end, and fixed cover is equipped with lantern ring thread, and it has the thread groove to open on the lantern ring thread, and fixed sheatheeing in has the casing groove, the installation side of fixed cover is opened there is the fixed orifices, the outside of axis body is provided with screw thread bearing inner circle mechanism, be provided with bolt ring mechanism and bolt rod mechanism on the axis body, bolt rod mechanism is including pegging graft the bolt dead lever between fixed cover and bearing inner circle, and the bolt dead lever is located the outer one end of cavity and solid fixed ring fixed.

Preferably, the threaded grooves are four, the four threaded grooves are evenly distributed on the fixing sleeve, and the threaded grooves and the fixing sleeve are parallel to each other in the horizontal direction.

Preferably, the number of the sleeve grooves is four, the four sleeve grooves are evenly distributed on the fixing sleeve, and the sleeve grooves are parallel to the fixing sleeve in the horizontal direction.

Preferably, the number of the fixing holes is four, the four fixing holes are uniformly distributed on the mounting side of the fixing sleeve, and mounting threads are formed in the fixing holes.

Preferably, the threaded bearing inner ring mechanism comprises a bearing inner ring sleeved outside the fixed sleeve, the inner side of the bearing inner ring is provided with a bearing thread, and the bearing thread is provided with a bearing groove.

Preferably, the bolt ring mechanism comprises a fixing ring sleeved on the shaft body, the fixing ring is provided with a positioning hole, and positioning threads are arranged in the positioning hole.

(III) advantageous effects

The utility model provides a mechanical main shaft convenient to dismantle. The method has the following beneficial effects:

(1) this mechanical main shaft convenient to dismantle, because fixed cover has been installed to the shaft body increase, set up screw thread on fixed sheathe in, set up screw thread at the bearing inner race, make the axis body just can the roll-off bearing through the rotation, in order to guarantee the stability of slidable mounting's bearing, casing groove and thread groove have been seted up on fixed sheathe in, the bearing groove has been seted up on the inner ring of bearing, at the casing groove, insert the bolt dead lever in the cavity that bearing groove and thread groove formed, axis body and bearing fixed mounting during the bolt dead lever, it only needs to extract the bolt dead lever to dismantle the messenger with the rotatory roll-off of axis body can to this can reach convenient to dismantle's effect.

(2) This mechanical main shaft convenient to dismantle because the solid fixed ring of one end fixedly connected with at the bolt dead lever has seted up the locating hole on solid fixed ring, and the fixed orifices on fixed cover and the fixed cover makes whole device more stable through the screw is fixed, and gu fixed ring links together four bolt dead levers, as long as remove solid fixed ring just can remove four bolt dead levers simultaneously to can reach the effect of convenient dismantlement.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic view of a cross-sectional structure of the bearing inner race of the present invention;

fig. 4 is the exploded structure diagram of the latch ring mechanism of the present invention.

In the figure: the device comprises a shaft body 1, a sleeve mechanism 2, a fixed sleeve 21, a collar thread 22, a sleeve groove 23, a thread groove 24, a fixing hole 25, a thread bearing inner ring mechanism 3, a bearing inner ring 31, a bearing thread 32, a bearing groove 33, a bolt ring mechanism 4, a fixing ring 41, a circular arc bolt groove 42, a positioning hole 43, a positioning thread 44, a bolt rod mechanism 5 and a bolt fixing rod 51.

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.

As shown in fig. 1-4, the utility model provides a technical solution: mechanical main shaft convenient to dismantle, including the axis body 1, the installation end of axis body 1 is provided with sleeve pipe mechanism 2, sleeve pipe mechanism 2 includes fixed cover 21 of fixed connection at the axis body installation end, fixed cover 21 is equipped with lantern ring screw thread 22, it has thread groove 24 to open on lantern ring screw thread 22, thread groove 24 has four, four even subdivisions of thread groove 24 are on fixed cover 21, thread groove 24 is parallel to each other with fixed cover 21 in the horizontal direction, it has sleeve pipe groove 23 to open on fixed cover 21, sleeve pipe groove 23 has four, four even subdivisions of sleeve pipe groove 23 are on fixed cover 21, sleeve pipe groove 23 is parallel to each other with fixed cover 21 in the horizontal direction, sleeve pipe groove 23 is located the below of thread groove 24 and is the same with the width of thread groove 24, the mounting side of the fixing sleeve 21 is provided with four fixing holes 25, the four fixing holes 25 are uniformly distributed on the mounting side of the fixing sleeve 21, and mounting threads are arranged in the fixing holes 25.

The outside of fixed cover 21 is provided with threaded bearing inner ring mechanism 3, threaded bearing inner ring mechanism 3 is including cup jointing the bearing inner ring 31 in the fixed cover 21 outside, bearing inner ring 31 passes through spiral line and fixed cover 21 sliding connection, bearing thread 32 has been seted up to the inboard of bearing inner ring 31, bearing thread 32 and the sleeve thread 22 phase-match on the fixed cover 21, fixed cover 21 passes through lantern ring screw 22 and bearing thread 32 and bearing inner ring 31 sliding connection, it has bearing groove 33 to open on the bearing thread 32, bearing groove 33 is parallel to each other with bearing inner ring 31 on the horizontal direction, bearing groove 33 has four, four even distributions of bearing groove 33 are in the inboard of bearing inner ring 31.

Be provided with bolt ring mechanism 4 on the axis body 1, bolt ring mechanism 4 is including cup jointing the solid fixed ring 41 on axis body 1, gu fixed ring 41 is located the installation side of fixed strip 21, gu fixed ring 41 is located one side rampart of fixed cover 21 and has seted up circular arc cotter way 42, the tank bottom of circular arc cotter way 42 is circular-arc, circular arc cotter way 42 has four, the even subsection of four circular arc cotter ways 42 is around gu fixed ring 41, gu fixed ring 41 is last to have the locating hole 43, locating hole 43 runs through gu fixed ring 41, locating hole 43 has four, the position of four locating holes 43 corresponds and the size is the same with the position of four fixed orificess 25, locating thread 44 has all been seted up in four locating holes 43, the line of locating thread 44 is the same with the installation thread in the fixed orifices 25, it is.

After the fixed sleeve 21 is slidably sleeved on the bearing inner ring 31, a cavity is formed after the sleeve groove 23, the thread groove 24 and the bearing groove 33 are overlapped, the cavity is internally provided with the bolt rod mechanism 5, the bolt rod mechanism 5 comprises a bolt fixing rod 51 which is inserted in the cavity, the bolt fixing rod 51 is matched with the cavity, one end of the bolt fixing rod 51, which is positioned outside the cavity, is fixedly connected with the fixed ring 41, and the bolt fixing rod 51 and the fixed ring 41 can be integrally formed.

The working principle is as follows: when the mechanical spindle convenient to detach needs to be detached, only screws in the fixing holes 25 need to be unscrewed, the fixing ring 41 is moved outwards, the bolt fixing rod 51 is moved outwards while the fixing ring 41 is moved outwards, the bolt fixing rod 51 is moved outwards until a cavity formed by the sleeve groove 23, the thread groove 24 and the bearing groove 32 is pulled out, and the fixing sleeve 21 can rotatably slide out of the bearing inner ring 31 through the sleeve thread 22 and the bearing thread after the bolt fixing rod 51 is pulled out.

Claims

1. The utility model provides a machinery main shaft convenient to dismantle, includes axis body (1), its characterized in that: the mounting end of axis body (1) is provided with sleeve pipe mechanism (2), the outside of axis body (1) is provided with screw thread bearing inner circle mechanism (3), be provided with bolt ring mechanism (4) and bolt rod mechanism (5) on axis body (1).

2. A mechanical spindle for facilitating disassembly according to claim 1, wherein: the sleeve mechanism (2) comprises a fixed sleeve (21) fixedly connected to the shaft body mounting end, a sleeve thread (22) is arranged on the fixed sleeve (21), a thread groove (24) is formed in the sleeve thread (22), a sleeve groove (23) is formed in the fixed sleeve (21), and a fixing hole (25) is formed in the mounting side of the fixed sleeve (21).

3. A mechanical spindle for facilitating disassembly according to claim 2, wherein: the four thread grooves (24) are evenly distributed on the fixing sleeve (21), and the thread grooves (24) are parallel to the fixing sleeve (21) in the horizontal direction.

4. A mechanical spindle for facilitating disassembly according to claim 2, wherein: the four sleeve grooves (23) are evenly distributed on the fixing sleeve (21), and the sleeve grooves (23) are parallel to the fixing sleeve (21) in the horizontal direction.

5. A mechanical spindle for facilitating disassembly according to claim 2, wherein: the fixed orifices (25) have four, and four even distributions of fixed orifices (25) are in the installation side of fixed cover (21), have seted up the installation screw thread in fixed orifices (25).

6. A mechanical spindle for facilitating disassembly according to claim 1, wherein: the threaded bearing inner ring mechanism (3) comprises a bearing inner ring (31) sleeved on the outer side of the fixed sleeve (21), a bearing thread (32) is arranged on the inner side of the bearing inner ring (31), and a bearing groove (33) is formed in the bearing thread (32).

7. A mechanical spindle for facilitating disassembly according to claim 6, wherein: bolt ring mechanism (4) are including cup jointing solid fixed ring (41) on axis body (1), and it has locating hole (43) to open on solid fixed ring (41), all has seted up location screw thread (44) in locating hole (43).

8. A readily removable mechanical spindle according to claim 7, wherein: the bolt rod mechanism (5) comprises a bolt fixing rod (51) inserted between the fixed sleeve (21) and the bearing inner ring (31), and one end of the bolt fixing rod (51) located outside the cavity is fixedly connected with the fixed ring (41).