CN218656851U

CN218656851U - Lathe fixture for machining bearing sleeve

Info

Publication number: CN218656851U
Application number: CN202223341709.7U
Authority: CN
Inventors: 房超; 谢国亮; 唐连续
Original assignee: Jinan First Machine Tool Group Co ltd
Current assignee: Jinan First Machine Tool Group Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-03-21
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a lathe work anchor clamps of processing bearing housing, the one end of bearing housing is equipped with interior vertical ring, be equipped with the groove of stepping down on the lateral wall of interior vertical ring, anchor clamps include the dabber body of being connected with the lathe spindle, dabber body one end connection be located inside the bearing housing and compress tightly the clamp plate of interior vertical ring and with the groove complex locating piece of stepping down. The inner vertical edge of the bearing sleeve is pressed and fixed through the pressing plate, the bearing sleeve is prevented from sliding on the shaft disc, the bearing sleeve is positioned through the positioning block, the bearing sleeve is prevented from rotating in the machining process, the stability of the bearing sleeve in the machining process is guaranteed, the machining precision is guaranteed, meanwhile, the clamp is prevented from damaging the bearing sleeve, and the safety of workpieces in the machining process is guaranteed.

Description

Lathe fixture for machining bearing sleeve

Technical Field

The utility model relates to a bearing housing anchor clamps technical field specifically is a lathe work anchor clamps of processing bearing housing.

Background

The bearing sleeve is an important part of a numerical control machine tool, and the size precision, the roundness, the jumping of an outer circle, a vertical surface and an inner hole of the part are important precisions which need to be ensured in the machining process.

When carrying out the axle sleeve processing, need fix the axle sleeve, the fixed mode of present axle sleeve is mainly through clamping jaw formula anchor clamps, like the axle sleeve processing anchor clamps that patent CN215880855U disclosed, through a plurality of boards of supporting (actually can be seen as a plurality of clamping jaws) mutual centre gripping fixed, perhaps directly adopt the clamping jaw on the lathe to carry out the centre gripping fixed to the axle sleeve. The shaft sleeve is easy to deform if the clamping is too tight in the conventional mode, and the shaft sleeve can rotate if the clamping is too loose in the machining process, so that the machining precision is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is not enough to be the above-mentioned to prior art existence, provides a turning clamp of processing bearing housing, compresses tightly fixedly through the interior stile of clamp plate to the bearing housing, prevents that the bearing housing from sliding on the reel, fixes a position the bearing housing through the locating piece, prevents that the bearing housing is rotatory in the course of working to guaranteed the stability of bearing housing in the course of working, ensured the machining precision, prevent simultaneously that anchor clamps from damaging the bearing housing, ensured the safety of work piece in the course of working.

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

the utility model provides a lathe work anchor clamps of processing bearing housing, the one end of bearing housing is equipped with interior vertical ring, be equipped with the groove of stepping down on the lateral wall of interior vertical ring, anchor clamps include the dabber body of being connected with the lathe spindle, dabber body one end is connected and is located inside the bearing housing and compress tightly the clamp plate of interior vertical ring and with the groove complex locating piece of stepping down.

Preferably, the mandrel body comprises a mandrel and a reel, one end of the mandrel is matched with a taper hole of the lathe spindle, and the other end of the mandrel is connected with the reel for fixing the pressing plate.

Preferably, one side of the shaft disc is provided with a first positioning boss matched with the inner vertical ring, and the pressing plate is connected with the first positioning boss through a second screw.

Preferably, a positioning hole is formed in the middle of the first positioning boss, and a second positioning boss in sliding fit with the positioning hole is arranged on one side of the pressing plate.

Preferably, the side wall of the first positioning boss is provided with a mounting hole for mounting a positioning block, and the positioning block is connected with the first positioning boss through a first screw.

Preferably, the edge of the pressure plate is provided with an avoiding groove corresponding to the position of the mounting hole.

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

1. the utility model discloses a clamp plate compresses tightly fixedly to the interior stile of bearing housing, prevents that the bearing housing from sliding on the reel, fixes a position the bearing housing through the locating piece, prevents that the bearing housing is rotatory in the course of working to guaranteed the stability of bearing housing in the course of working, ensured the machining precision, prevent simultaneously that anchor clamps from damaging the bearing housing, ensured the safety of work piece in the course of working.

2. The utility model discloses clamp plate and locating piece dismouting are simple, conveniently carry out the centre gripping to the bearing housing and loosen, and it is convenient to use.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of a mandrel body construction;

FIG. 4 is a schematic structural view of the bushing;

FIG. 5 is a schematic view of the platen;

fig. 6 is a schematic structural view of the present invention connected to a machine tool.

In the figure: 1-a mandrel body; 101-a mandrel; 102-a hub; 103-a first positioning boss; 104-positioning holes; 105-mounting holes; 2-bearing sleeve; 201-inner vertical ring; 202-a yield slot; 3, pressing a plate; 301-avoidance slot; 302-a second positioning boss; 4-positioning blocks; 5-a first screw; 6-second screw.

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. 1-2, a lathe fixture for processing a bearing sleeve 2, the fixture is mainly used for processing the bearing sleeve 2 on a lathe bearing, as shown in fig. 4, an inner vertical ring 201 is arranged at one end of the bearing sleeve 2, a yielding groove 202 is arranged on a side wall of the inner vertical ring 201, the yielding groove 202 is mainly used for dismounting a bearing in a use process, the fixture is the prior art, the fixture comprises a core shaft body 1 connected with a lathe spindle, the core shaft body 1 is a morse body and is directly inserted into a taper hole of the lathe spindle for fixing, one end of the core shaft body 1 is connected with a pressing plate 3 which is positioned inside the bearing sleeve 2 and compresses the inner vertical ring 201 and a positioning block 4 matched with the yielding groove 202, and fixing of the bearing sleeve 2 is achieved.

As shown in fig. 3, the mandrel body 1 includes a mandrel 101 and a reel 102, the size of the morse taper shank is consistent with the taper hole of the spindle, one end of the mandrel 101 is matched with the taper hole of the spindle of the lathe, and the other end of the mandrel 101 is connected with the reel 102 for fixing the pressing plate 3.

The first positioning boss 103 matched with the inner vertical ring 201 is arranged on one side of the shaft disc 102, the bearing sleeve 2 can be prevented from sliding, and the pressing plate 3 is connected with the first positioning boss 103 through the second screw 6, so that the inner force ring 201 is firmly pressed on the shaft disc 102.

In order to further improve the reliability of the fixing, the pressure plate 3 needs to be positioned, a positioning hole 104 is provided in the middle of the first positioning boss 103, and as shown in fig. 5, a second positioning boss 302 slidably engaged with the positioning hole 104 is provided on one side of the pressure plate 3.

Be equipped with the mounting hole 105 of installation locating piece 4 on the lateral wall of first locating boss 103, locating piece 4 is connected with first locating boss 103 through first screw 5, and the edge of clamp plate 3 is equipped with dodges groove 301 that corresponds with mounting hole 105 position, makes things convenient for the dismouting of locating piece 4.

As shown in fig. 6, when in use, the end of the bearing sleeve 2 provided with the inner force ring 201 is sleeved on the first positioning boss 103, then the pressing plate 3 is installed, the pressing plate 3 is connected with the reel 102 through the second screw 6, the pressing plate 3 presses and fixes the inner vertical ring 201, meanwhile, the avoiding groove 301 of the pressing plate 3 corresponds to the installation hole 105, the avoiding groove 202 of the inner vertical ring 201 corresponds to the installation hole 105, the positioning block 4 is installed in the installation hole 105 through the first screw 5, one end of the positioning block 4 is matched with the avoiding groove 202 to position the bearing sleeve 2, the bearing sleeve 2 is prevented from rotating in the machining process, and the machining can be started by installing the mandrel body 1 in the taper hole of the lathe spindle.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a lathe work anchor clamps of processing bearing housing, the one end of bearing housing is equipped with interior upright ring, be equipped with the groove of stepping down on the lateral wall of interior upright ring, its characterized in that: the lathe spindle comprises a spindle body connected with a lathe spindle, wherein one end of the spindle body is connected with a pressing plate which is positioned inside a bearing sleeve and compresses an inner vertical ring and a positioning block matched with a yielding groove.

2. The turning jig for machining a bearing housing as claimed in claim 1, wherein: the mandrel body comprises a mandrel and a reel, one end of the mandrel is matched with a taper hole of a lathe spindle, and the other end of the mandrel is connected with the reel of the fixed pressing plate.

3. The turning jig for processing a bearing housing as claimed in claim 2, wherein: one side of the shaft disc is provided with a first positioning boss matched with the inner vertical ring, and the pressing plate is connected with the first positioning boss through a second screw.

4. The turning jig for processing a bearing housing as claimed in claim 3, wherein: the middle part of the first positioning boss is provided with a positioning hole, and one side of the pressing plate is provided with a second positioning boss in sliding fit with the positioning hole.

5. The turning jig for processing a bearing housing as claimed in claim 3, wherein: the side wall of the first positioning boss is provided with a mounting hole for mounting a positioning block, and the positioning block is connected with the first positioning boss through a first screw.

6. The turning jig for processing a bearing housing as claimed in claim 5, wherein: and avoidance grooves corresponding to the mounting holes are formed in the edges of the pressing plates.