CN214292239U

CN214292239U - Simple indexing fixture

Info

Publication number: CN214292239U
Application number: CN202120216300.9U
Authority: CN
Inventors: 龙梅; 冉净敏; 林春栋; 崔毅
Original assignee: AECC Guizhou Liyang Aviation Power Co Ltd
Current assignee: AECC Guizhou Liyang Aviation Power Co Ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-09-28
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a simple and easy graduation anchor clamps belongs to machining technical field. The fixture comprises a base and an indexing disc, wherein the indexing disc is movably connected with the base through a connecting assembly, a plurality of indexing holes are uniformly distributed in the indexing disc, and locking pieces are arranged on the base at positions corresponding to the indexing holes. The automatic part machining device has the advantages of being simple and convenient to operate, simple in structure, low in manufacturing cost and the like, parts can be machined conveniently, and the part machining efficiency is improved. And a bush is arranged on the inner side of the indexing hole. Avoid the index hole wearing and tearing, help guaranteeing the index accuracy, prolong the life of graduated disk.

Description

Simple indexing fixture

Technical Field

The utility model relates to a simple and easy graduation anchor clamps belongs to machining technical field.

Background

Some equal-angle features are required to be machined on the end face of the rotary part, but an indexing device is not arranged on part of the machine tool, so that indexing machining cannot be carried out.

Chinese patent publication No. CN207309560U discloses an automatic indexing fixture, which comprises a base, wherein the base is provided with an indexing driving mechanism, an indexing disc driven by the indexing driving mechanism to rotate, and a locking mechanism capable of locking the indexing disc, the indexing driving mechanism comprises a driving cylinder mounted on the base and a rotary seat capable of rotating on the base, the indexing disc is mounted on the rotary seat, the driving cylinder is provided with a push rod, the push rod is hinged with a swing rod, a return spring capable of returning the swing rod is arranged between the swing rod and the push rod, a plurality of indexing blocks are annularly and uniformly distributed on the rotary seat, and the swing rod can push the indexing blocks to rotate by a certain angle. The indexing angle of the jig can be freely set.

However, the indexing jig has disadvantages of complicated structure and high manufacturing cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a simple and easy graduation anchor clamps.

The utility model discloses a following technical scheme can realize:

a simple indexing fixture comprises a base and an indexing disc, wherein the indexing disc is movably connected with the base through a connecting assembly, a plurality of indexing holes are uniformly distributed in the indexing disc, and locking pieces are arranged on the base at positions corresponding to the indexing holes.

24 indexing holes are uniformly distributed on the indexing disc.

And a lining is arranged on the inner side of the indexing hole.

And a plurality of clamping grooves are arranged on one end of the dividing plate, which is far away from the base, in a criss-cross manner.

The cross section of the clamping groove is in a T shape.

The connecting assembly comprises a positioning pin shaft, the index plate is sleeved on the positioning pin shaft, the positioning pin shaft is located at the center of the index plate, thrust ball bearings are sleeved on the two sides of the index plate on the positioning pin shaft, and a nut is arranged at one end, far away from the base, of the positioning pin shaft.

The locking piece is a hand-pulling type positioner.

The base is detachably connected with a pressing assembly at a position corresponding to the locking piece.

The pressing assembly comprises a pressing plate, and the pressing plate is connected with the base through a plurality of bolts.

The base is L-shaped, and a plurality of through holes A are processed on the base.

The beneficial effects of the utility model reside in that: the automatic part machining device has the advantages of being simple and convenient to operate, simple in structure, low in manufacturing cost and the like, parts can be machined conveniently, and the part machining efficiency is improved. And a bush is arranged on the inner side of the indexing hole. Avoid the index hole wearing and tearing, help guaranteeing the index accuracy, prolong the life of graduated disk.

Drawings

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

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

fig. 3 is a schematic structural diagram of the base of the present invention.

In the figure: 1-an index plate, 1 a-an index hole, 1 b-a bushing, 1 c-a clamping groove, 2-a base, 3-a pressure plate, 4-a locking piece and 5-a positioning pin shaft.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

As shown in fig. 1 to 3, a simple indexing fixture, including base 2 and graduated disk 1, graduated disk 1 passes through coupling assembling and base 2 swing joint, the equipartition processing has a plurality of index holes 1a on the graduated disk 1, lock piece 4 is installed at the position corresponding with index hole 1a on the base 2. When the indexing mechanism is used, the base 2 is installed on a working platform of a machine tool, a part to be machined is clamped on the indexing disc 1, the indexing disc 1 is locked and fixed through the locking piece 4 after the indexing disc 1 is rotated to a required angle, and therefore the indexing purpose is achieved. The clamp has simple structure and low manufacturing cost.

24 indexing holes 1a are uniformly formed in the indexing disc 1. The indexing disc 1 has an indexing unit of 15 degrees.

A bush 1b is attached to the inside of the index hole 1 a. The abrasion of the indexing holes 1a is avoided, the indexing precision is ensured, and the service life of the indexing disc 1 is prolonged.

And a plurality of clamping grooves 1c are processed on one end of the index plate 1, which is far away from the base 2, in a criss-cross manner.

The cross section of the clamping groove 1c is T-shaped. The T-shaped nut is placed in the clamping groove 1c and is in sliding connection with the clamping groove 1c, and a part to be machined is conveniently clamped and fixed on the dividing plate 1 through the T-shaped nut, the screw rod, the pressing block and the like.

The connecting assembly comprises a positioning pin shaft 5, the index plate 1 is sleeved on the positioning pin shaft 5, the positioning pin shaft 5 is located at the center of the index plate 1, thrust ball bearings are sleeved on the positioning pin shaft 5 on two sides of the index plate 1, and a nut is arranged at one end, far away from the base 2, of the positioning pin shaft 5.

The locking piece 4 is a hand-pulling type positioner. The hand-pulling type locator is the standard component, only installs 1 hand-pulling type locator on the base 2.

The base 2 is detachably connected with a pressing component at a position corresponding to the locking piece 4.

The pressing assembly comprises a pressing plate 3, and the pressing plate 3 is connected with the base 2 through a plurality of bolts. The hand-pulling type positioner is pressed by the pressing plate 3, so that the hand-pulling type positioner is prevented from exiting the indexing hole 1 a.

The base 2 is L-shaped, and a plurality of through holes A are processed on the base 2. The base 2 is conveniently mounted on the worktable of the machine tool.

During the use, fix base 2 installation on the workstation of lathe, like linear cutting equipment, will wait to process the part installation and fix on the terminal surface of graduated disk 1, rotate graduated disk 1 to required angle, the one end of hand-pulling locator is automatic to be stretched into corresponding index hole 1a to avoid graduated disk 1 to rotate, lock fixed pressing plate 3, avoid the hand-pulling locator to withdraw from index hole 1 a. After a machined part is machined with an indexing feature, the press plate 3 is loosened, the hand-pulling type positioner is pulled out of the inner hole 1a, and the indexing disc 1 is rotated to a next required angle.

To sum up, the utility model provides an indexing fixture has easy operation, convenience, simple structure, and low in manufacturing cost's advantage conveniently processes the part, helps improving parts machining efficiency. Inside the index hole 1a, a bush 1b is attached. The abrasion of the indexing holes 1a is avoided, the indexing precision is ensured, and the service life of the indexing disc 1 is prolonged.

Claims

1. The utility model provides a simple and easy graduation anchor clamps which characterized in that: the novel indexing mechanism comprises a base (2) and an indexing disc (1), wherein the indexing disc (1) is movably connected with the base (2) through a connecting assembly, a plurality of indexing holes (1a) are uniformly distributed in the indexing disc (1), and locking pieces (4) are arranged on the base (2) in positions corresponding to the indexing holes (1 a).

2. The simple indexing fixture of claim 1, wherein: 24 indexing holes (1a) are uniformly distributed on the indexing disc (1).

3. The simple indexing fixture of claim 1, wherein: and a bush (1b) is arranged on the inner side of the indexing hole (1 a).

4. The simple indexing fixture of claim 1, wherein: and a plurality of clamping grooves (1c) are arranged on one end of the dividing plate (1) far away from the base (2) in a criss-cross manner.

5. The simple indexing fixture of claim 4, wherein: the cross section of the clamping groove (1c) is T-shaped.

6. The simple indexing fixture of claim 1, wherein: the connecting assembly comprises a positioning pin shaft (5), the index plate (1) is sleeved on the positioning pin shaft (5), the positioning pin shaft (5) is located at the center of the index plate (1), thrust ball bearings are sleeved on the two sides of the index plate (1) on the positioning pin shaft (5), and a nut is arranged at one end, far away from the base (2), of the positioning pin shaft (5).

7. The simple indexing fixture of claim 1, wherein: the locking piece (4) is a hand-pulling type positioner.

8. The simple indexing fixture of claim 1, wherein: the base (2) is detachably connected with a pressing assembly at a position corresponding to the locking piece (4).

9. The simple indexing fixture of claim 8, wherein: the pressing assembly comprises a pressing plate (3), and the pressing plate (3) is connected with the base (2) through a plurality of bolts.

10. The simple indexing fixture of claim 1, wherein: the base (2) is L-shaped, and a plurality of through holes A are processed on the base (2).