CN218132756U

CN218132756U - Indexing fixture for machining spindle

Info

Publication number: CN218132756U
Application number: CN202222564483.0U
Authority: CN
Inventors: 杜加帮
Original assignee: Hangzhou Hangkun Electromechanical Equipment Co ltd
Current assignee: Hangzhou Hangkun Electromechanical Equipment Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2022-12-27
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses an indexing fixture for main shaft processing belongs to main shaft processing technology field, including the shell, its characterized in that: the shell central point puts and rotates and sets up the locking shaft, the locking shaft runs through the shell, locking shaft one end sets up the graduated disk, graduated disk surface equidistance annular sets up the graduated bore, the graduated bore runs through the graduated disk, the central line of graduated bore with the axis of locking shaft is parallel, the locking shaft is kept away from graduated disk one end sets up locking portion, the shell is close to graduated disk one end sets up first bearing, the inside second bearing that sets up of shell, the quantity of second bearing is 2 groups, 2 groups set up outer holding ring, interior holding ring between the second bearing, interior holding ring with the coaxial setting of outer holding ring, the utility model discloses furthest has satisfied the graduation requirement of different specifications, has guaranteed the stability and the precision of graduation simultaneously effectively.

Description

Indexing fixture for machining spindle

Technical Field

The utility model relates to a main shaft processing technology field specifically is an indexing fixture for main shaft processing.

Background

The main shaft is an indispensable production tool in industrial production activities, different production scenes have different requirements on the process of the surface of the main shaft, although a common main shaft surface mainly adopts a uniform process, for example, a specific coating is uniformly sprayed on the surface of the main shaft, in a specific production scene, the specific coating is not required to be completely sprayed on the surface of the whole main shaft, but only the specific coating is required to be sprayed at a specific position, for example, the connecting position of the main shaft and a bearing.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an indexing fixture for main shaft processing.

The utility model provides an index fixture for main shaft processing, includes the shell, its characterized in that: the locking device is characterized in that a locking shaft is rotatably arranged at the center of the shell, the locking shaft penetrates through the shell, an indexing disc is arranged at one end of the locking shaft, indexing holes are annularly arranged on the surface of the indexing disc at equal intervals, the indexing holes penetrate through the indexing disc, the central line of each indexing hole is parallel to the axis of the locking shaft, and a locking part is arranged at one end, far away from the indexing disc, of the locking shaft.

Furthermore, a first bearing is arranged at one end, close to the indexing disc, of the shell, a second bearing is arranged inside the shell, the locking shaft is fixedly connected with the first bearing and the second bearing, the number of the second bearings is 2, the second bearings are arranged in 2 groups, the second bearings are arranged side by side, and the second bearings in 2 groups are respectively located inside the shell, close to one side of the indexing disc and far away from one side of the indexing disc.

Further, the first bearing is a plane bearing, and the second bearing is an angular contact bearing.

Further, 2 organize set up outer holding ring, interior holding ring between the second bearing, interior holding ring with the coaxial setting of outer holding ring, outer holding ring with shell fixed connection, interior holding ring with locking shaft fixed connection, outer holding ring both sides respectively with the laminating of the outer lane of second bearing, interior holding ring both sides respectively with the laminating of the inner circle of second bearing.

Furthermore, a connecting seat is arranged at one end, close to the dividing plate, of the locking shaft, bolt positions are annularly arranged on the surface of the dividing plate at equal intervals corresponding to the connecting seat, the bolt positions penetrate through the dividing plate, and the central line of each bolt position is parallel to the axis of the locking shaft.

The utility model discloses an indexing fixture for main shaft processing's beneficial effect does:

1. the indexing mechanism comprises a clamping disc, a locking shaft, a connecting seat, a clamping disc, a locking bolt, a handle, a bolt position, a connecting seat and a connecting seat, wherein the clamping disc is arranged on one side of the indexing disc, which is far away from the locking shaft, the connecting seat is connected with the clamping disc through the bolt position;

2. the first bearing close to the main shaft to be machined is a plane bearing, and the second bearing far away from the main shaft to be machined is an angular contact bearing, so that the stable bearing on the locking shaft in the radial direction and the axial direction is effectively ensured, and the stability and the precision of indexing are further effectively ensured;

3. outer holding ring, interior holding ring have guaranteed 2 sets of second bearing relative position's stability effectively, even unexpected vibrations take place at graduation in-process locking shaft, outer holding ring, interior holding ring also can make the second bearing remain steady through the laminating with the second bearing, and then make locking shaft remain stable, have further guaranteed the stability and the precision of graduation from this.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly introduced, but not limiting the scope of the present invention.

Fig. 1 is a schematic structural diagram of the present invention.

The device comprises an index plate 1, a bolt position 2, a connecting seat 3, a first bearing 4, an index hole 5, a second bearing 6, a shell 7, an outer positioning ring 8, an inner positioning ring 9, a locking part 10 and a locking shaft 11.

Detailed Description

For the sake of clarity, the indexing fixture for machining a spindle according to the present invention will be further described with reference to fig. 1 of the drawings attached to the specification.

An indexing fixture for spindle machining, comprising a housing 7, characterized in that: the utility model discloses a locking device, including shell 7, locking shaft 11, graduated disk 1, graduated disk 5 runs through graduated disk 1, the central point of graduated disk 5 with the axis of locking shaft 11 is parallel, locking shaft 11 keeps away from graduated disk 1 one end sets up locking portion 10.

Furthermore, a first bearing 4 is arranged at one end, close to the indexing disc 1, of the shell 7, a second bearing 6 is arranged inside the shell 7, the locking shaft 11 is fixedly connected with the first bearing 4 and the second bearing 6, the number of the second bearings 6 is 2, 2 groups of the second bearings 6 are arranged side by side, and 2 groups of the second bearings 6 are respectively located inside the shell 7, close to one side of the indexing disc 1 and far away from one side of the indexing disc 1.

Further, the first bearing 4 is a plane bearing, and the second bearing 6 is an angular contact bearing.

Further, 2 organize set up outer holding ring 8, interior holding ring 9 between the second bearing 6, interior holding ring 9 with outer holding ring 8 is coaxial to be set up, outer holding ring 8 with shell 7 fixed connection, interior holding ring 9 with locking shaft 11 fixed connection, outer holding ring 8 both sides respectively with the laminating of the outer lane of second bearing 6, interior holding ring 9 both sides respectively with the laminating of the inner circle of second bearing 6.

Furthermore, a connecting seat 3 is arranged at one end, close to the dividing plate 1, of the locking shaft 11, bolt positions 2 are annularly arranged on the surface of the dividing plate 1 at equal intervals in a position corresponding to the connecting seat 3, the bolt positions 2 penetrate through the dividing plate 1, and the central line of each bolt position 2 is parallel to the axis of the locking shaft 11.

The utility model discloses a theory of operation that is used for indexing fixture of main shaft processing does: taking the example that a spindle to be processed needs to spray a specific coating on the surface with a central angle of 60 degrees, selecting an index plate 1 with 6 index holes 5 annularly arranged on the surface at equal intervals, connecting the index plate 1 with a connecting seat 3 by using an adaptive bolt at the position of a bolt position 2, arranging a chuck at one side of the index plate 1 far away from a locking shaft 11 and fixing the spindle to be processed through the chuck, fixing a handle at the position of a locking part 10 through the adaptive locking bolt, so far, completing the assembly of the index clamp, holding the handle by hand, aligning the edge of the position to be sprayed of the spindle to be processed with an external spraying device, starting the spraying device, rotating the handle, stopping rotating the handle when the index plate 1 rotates along with the locking shaft 11 and passes through the angle of 2 adjacent index holes 5, and completing the spraying operation once, wherein in the process, the first bearing 4 and the second bearing 6 always ensure the stability of the locking shaft 11, and the outer positioning ring 8 and the inner positioning ring 9 always ensure the stability of the relative positions of the 2 groups of second bearings 6.

The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. An indexing fixture for machining a spindle, comprising a housing, characterized in that: the locking device is characterized in that a locking shaft is rotatably arranged at the center of the shell, the locking shaft penetrates through the shell, an indexing disc is arranged at one end of the locking shaft, indexing holes are annularly arranged on the surface of the indexing disc at equal intervals, the indexing holes penetrate through the indexing disc, the central line of each indexing hole is parallel to the axis of the locking shaft, and a locking part is arranged at one end, far away from the indexing disc, of the locking shaft.

2. The indexing fixture for spindle machining according to claim 1, wherein a first bearing is disposed at one end of the housing close to the indexing disc, a second bearing is disposed inside the housing, the locking shaft is fixedly connected to the first bearing and the second bearing, the number of the second bearings is 2, 2 sets of the second bearings are disposed side by side, and 2 sets of the second bearings are respectively located at one side close to the indexing disc and one side far away from the indexing disc inside the housing.

3. The indexing jig for spindle machining according to claim 2, wherein the first bearing is a flat bearing and the second bearing is an angular contact bearing.

4. The indexing fixture for spindle machining according to claim 2, wherein an outer positioning ring and an inner positioning ring are disposed between 2 sets of the second bearings, the inner positioning ring is disposed coaxially with the outer positioning ring, the outer positioning ring is fixedly connected to the housing, the inner positioning ring is fixedly connected to the locking shaft, two sides of the outer positioning ring are respectively attached to the outer ring of the second bearing, and two sides of the inner positioning ring are respectively attached to the inner ring of the second bearing.

5. The indexing fixture for machining the main shaft according to claim 1, wherein a connecting seat is arranged at one end of the locking shaft close to the indexing disc, bolt positions are annularly arranged on the surface of the indexing disc at equal intervals corresponding to the connecting seat, the bolt positions penetrate through the indexing disc, and the center line of the bolt positions is parallel to the axis of the locking shaft.