CN211614912U

CN211614912U - Fixture for machining disc spring chamfers

Info

Publication number: CN211614912U
Application number: CN202020118779.8U
Authority: CN
Inventors: 冯国光; 张磊
Original assignee: Tianjin Aige Sealing Products Co ltd
Current assignee: Tianjin Aige Sealing Products Co ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-10-02
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses a fixture for processing dish spring chamfer, which relates to the fixture field and comprises a fixture, a tire block and a pull rod, wherein a T-shaped through hole is arranged inside the fixture, a large hole of the T-shaped through hole is arranged outside the inside of a second round shaft, an internal thread is arranged at the outer end of a small hole of the T-shaped through hole, and a ring groove is arranged inside the second round shaft; the tire block is annular, and an annular bulge is arranged on the outer surface of the tire block; the pull rod is cylindrical, and one end of the pull rod is provided with an external thread; the external thread at one end of the pull rod is matched with the internal thread at the outer end of the small hole, the tire block is arranged in the large hole, and the annular bulge is arranged in the annular groove; the utility model can be used for disc springs with different sizes only by replacing the clamping fixture with different inner diameters, and the outer diameter of the clamping fixture is fixed, so that the clamping fixture and the pull rod are universal, and material resources are saved; and adopt interference fit's principle to come joint dish spring, joint dish spring that can be more firm.

Description

Fixture for machining disc spring chamfers

Technical Field

The utility model relates to a fixture field, especially a fixture for processing dish spring chamfer.

Background

In the prior art, when the chamfering machine is used for processing chamfers on the disc spring, the disc spring is clamped by a three-jaw chuck or a four-jaw chuck, so that unstable clamping often occurs, and a workpiece is scrapped.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a fixture for processing dish spring chamfer has been designed.

The technical scheme of the utility model is that, a fixture for processing dish spring chamfer, including fixture, child piece, pull rod, the fixture divide into first circle axle, conical shaft, the second circle axle triplex that sets gradually on same axis, the one end of first circle axle is provided with the recess, the recess on the first circle axle with conical shaft diameter is little one side contact, the fixture is inside to be provided with T-shaped through-hole, the macropore of T-shaped through-hole sets up the outside in the second circle axle, the outer end of the aperture of T-shaped through-hole is provided with the internal thread, the second circle axle is inside to be provided with the ring channel;

the tire block is annular, an annular bulge is arranged on the outer surface of the tire block, and an annular positioning boss is arranged inside one side of the tire block;

the pull rod is cylindrical, the diameter of the pull rod is the same as that of the small hole, and an external thread is arranged at one end of the pull rod;

the outer thread of one end of the pull rod is matched with the inner thread of the outer end of the small hole, the other end of the pull rod is arranged outside the fixture, the tire block is arranged in the large hole, and the annular bulge is arranged in the annular groove.

The inner side of the big hole is in contact with one side surface of the tire block.

And a plurality of through holes are vertically and axially arranged on the second circular shaft.

And the tire block is provided with a threaded hole corresponding to each through hole, and the through holes are connected with the threaded holes through bolts.

The outer side of the through hole is a plane, and the head of the bolt is arranged on the outer side of the through hole.

The inner part of the tire block is provided with a disc spring, the inner diameter of the tire block is slightly smaller than the outer diameter of the disc spring, and the annular positioning boss is in contact with the disc spring.

The fixture for processing the disc spring chamfer is manufactured by the technical scheme of the utility model, the disc spring is clamped by the clamping fixture, the fixture and the pull rod, the clamping fixture with different inner diameters is only needed to be replaced aiming at the disc springs with different sizes, and the outer diameter of the clamping fixture is fixed, so the fixture and the pull rod are universal, and material resources are saved; and this technical scheme adopts interference fit's principle to come joint dish spring, joint dish spring that can be more firm.

Drawings

Fig. 1 is a schematic structural view of a fixture for processing a disc spring chamfer of the present invention;

FIG. 2 is a schematic structural diagram of a block of a fixture for machining a disc spring chamfer according to the present invention;

FIG. 3 is an assembly view of a fixture for processing a chamfer of a disc spring according to the present invention;

in the figure, 1, a fixture; 2. a block; 3. a pull rod; 4. a first circular shaft; 5. a conical shaft; 6. a second circular shaft; 7. a groove; 8. a T-shaped through hole; 9. macropores; 10. a small hole; 11. an annular groove; 12. a through hole; 13. an annular projection; 14. an annular positioning boss; 15. a threaded hole; 16. a bolt; 17. a disc spring.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings, and as shown in fig. 1 to 3, a fixture for processing a disc spring chamfer includes a fixture 1, a block 2, and a pull rod 3.

The fixture 1 is used for clamping the tire block 2 and the disc spring. The fixture 1 is divided into a first round shaft 4, a conical shaft 5 and a second round shaft 6 which are sequentially arranged on the same axis. One end of the first round shaft 4 is provided with a groove 7, the groove 7 on the first round shaft 4 is in contact with one side of the conical shaft 5 with a small diameter, and the groove 7 is used for preventing the clamping apparatus 1 and a main shaft of the chamfering apparatus from being clamped. The fixture 1 is internally provided with a T-shaped through hole 8, a large hole 9 of the T-shaped through hole 8 is formed in the outer side of the inner part of the second circular shaft 6, and the large hole 9 is used for placing the tire block 2. The outer end of the small hole 10 of the T-shaped through hole 8 is provided with an internal thread, the internal thread is matched with an external thread on the pull rod 3, so that the pull rod 3 is fixed on the fixture 1, the fixing mechanism in the chamfering device fixes the other end of the pull rod 3 and pulls the pull rod 3, the fixture 1 is expanded by the second round shaft 6 under the action of the pull rod 3, and the tyre block 2 and the disc spring are convenient to install. An annular groove 11 is formed in the second round shaft 6, and the annular groove 11 is used for fixing the tire block 2. And a plurality of through holes 12 are arranged on the second round shaft 6 and are perpendicular to the axial direction.

The tyre block 2 is in a circular ring shape, an annular bulge 13 is arranged on the outer surface of the tyre block 2, and the annular bulge 13 is arranged in the annular groove 11, so that the tyre block 2 is fixed on the clamp. An annular positioning boss 14 is arranged inside one side of the tire block 2, and the annular positioning boss 14 is used for positioning the disc spring 7. The tyre block 2 is provided with a threaded hole 15 corresponding to each through hole 12, the through holes 12 are connected with the threaded holes 15 through bolts 16, the heads of the bolts 16 are arranged on the outer sides of the through holes 12, and the outer sides of the through holes 12 are planes, so that the bolts 16 are more stable.

The pull rod 3 is in a cylindrical shape with the diameter being the same as that of the small hole 10, and an external thread is arranged at one end of the pull rod 3. The external thread of one end of the pull rod 3 is matched with the internal thread of the outer end of the small hole 10, and the other end of the pull rod 3 is arranged outside the fixture 1. The fixture 1 is arranged on a chuck of a chamfering device, a structure for fixing a pull rod is arranged in the chamfering device, the other end of the pull rod 3 is fixed on the structure, the mechanism pulls the pull rod 3 backwards under the action of a cam and a lever, and the pull rod 3 pulls the fixture 1 to expand the second round shaft 6 part of the fixture 1, so that the tire block 2 is installed in the large hole 9.

Of the block 2, the annular projection 13 is arranged in the annular groove 11. The inner side surface of the big hole 9 is contacted with one side surface of the tire block 2, and the inner side surface of the big hole 9 is positioned on the tire block 2.

The inner part of the tyre block 2 is provided with a disc spring 17, the inner diameter of the tyre block 2 is slightly smaller than the outer diameter of the disc spring 17, and the annular positioning boss 14 is in contact with the disc spring 17.

In this embodiment, the fixture 1 is used for fixing the block 2, and the same inner diameter of the outer diameter of the block 2 is changed according to the size of the disc spring 17, so that the block 2 is only required to be replaced for the disc springs 17 with different sizes. Thereby pull rod 3 is installed dish spring 17 and child piece 2 by the pulling and then drive fixture 1's front end expansion, uses bolt 16 to fix child piece 2 on fixture 1, and pull rod 3 is loosened fixture 1's front end shrink, and dish spring 17 is by the chucking, the utility model discloses simple structure, convenient operation, practicality are strong.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The fixture for machining the disc spring chamfer is characterized by comprising a fixture (1), a clamping block (2) and a pull rod (3), wherein the fixture (1) is divided into a first round shaft (4), a conical shaft (5) and a second round shaft (6) which are sequentially arranged on the same axis, one end of the first round shaft (4) is provided with a groove (7), the groove (7) in the first round shaft (4) is contacted with one side of the conical shaft (5) with the small diameter, a T-shaped through hole (8) is formed in the fixture (1), a large hole (9) of the T-shaped through hole (8) is formed in the outer side of the inner portion of the second round shaft (6), an internal thread is formed in the outer end of a small hole (10) of the T-shaped through hole (8), and an annular groove (11) is formed in the second round shaft (6);

the tire block (2) is annular, an annular bulge (13) is arranged on the outer surface of the tire block (2), and an annular positioning boss (14) is arranged inside one side of the tire block (2);

the pull rod (3) is cylindrical, the diameter of the pull rod is the same as that of the small hole (10), and an external thread is arranged at one end of the pull rod (3);

the outer thread of one end of the pull rod (3) is matched with the inner thread of the outer end of the small hole (10), the other end of the pull rod (3) is arranged outside the fixture (1), the tire block (2) is arranged in the large hole (9), and the annular protrusion (13) is arranged in the annular groove (11).

2. The jig for processing the chamfer of the disc spring as claimed in claim 1, wherein the inner side of the large hole (9) is in contact with one side surface of the block (2).

3. A fixture for processing a chamfer of a disc spring according to claim 1, wherein a plurality of through holes (12) are provided on the second round shaft (6) perpendicularly to the axial direction.

4. A jig for processing a disc spring chamfer according to claim 3, characterized in that the block (2) is provided with a threaded hole (15) opposite to each through hole (12), and the through holes (12) and the threaded holes (15) are connected through bolts (16).

5. A fixture for processing disc spring chamfers according to claim 4, characterized in that the outer side of the through hole (12) is flat, and the head of the bolt (16) is disposed outside the through hole (12).

6. The fixture for machining the disc spring chamfer as recited in claim 4, characterized in that the disc spring (17) is arranged inside the block (2), the inner diameter of the block (2) is slightly smaller than the outer diameter of the disc spring (17), and the annular positioning boss (14) is in contact with the disc spring (17).