CN219561442U

CN219561442U - Earring part processing clamping fixture

Info

Publication number: CN219561442U
Application number: CN202320732707.6U
Authority: CN
Inventors: 付万文; 刘统斌; 李勇强; 刘志宏; 林佳旭; 王引柱
Original assignee: SHAOGUAN CITY INSTITUTE OF TECHNICIAN
Current assignee: SHAOGUAN CITY INSTITUTE OF TECHNICIAN
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-08-22
Anticipated expiration: 2033-04-04

Abstract

The utility model relates to an earring part machining clamping fixture which comprises a fixture body, wherein one side of the fixture body is provided with a mounting part for being connected with a lathe chuck clamping jaw; a mounting plate is arranged on the other side of the clamp body; the mounting plate is provided with a clamping part, the clamping part is provided with a mandrel, a gland and a fastening structure, the inner hole end of the earring is arranged on the mandrel, the gland is arranged on the end face of the inner hole end, the threaded end of the earring and the lathe spindle are positioned on the same axis, and the fastening structure is used for fixing the threaded end of the earring. The clamping fixture is used for fixing the inner hole end of the earring on the mandrel, and fixing the threaded end of the earring on the fastening structure, so that the clamping fixture is simple and compact in structure and low in material cost, not only is the dimensional accuracy of earring parts ensured, but also the problem of processing cost is solved.

Description

Earring part processing clamping fixture

Technical Field

The utility model relates to the technical field of clamps, in particular to a clamping clamp for processing earring parts.

Background

The earring part is used for connecting parts outside various hydraulic cylinders; the basic structure is that one end is a through hole ring to connect the hydraulic cylinder with other mechanisms, and the other end is an internal thread structure to be used for linking the hydraulic rod of the hydraulic cylinder. Because the structure part is irregular, the structure of two ends has precision requirement, and the structure part cannot be processed and molded once, the structure part needs multiple clamping processing, but the dimensional precision is difficult to ensure by adopting a common clamp due to the complex appearance.

The production batch of the parts is not large, the specifications are more, if the special fixture is adopted, the design cost is higher, the specifications are more, the fixture is replaced frequently, so that the existing small-enterprise production due to the cost problem still adopts the four-jaw clamping processing of the lathe, but the product qualification rate is not high.

Disclosure of Invention

Based on the clamping fixture, the utility model aims to provide the clamping fixture for processing the earring parts, which is used on a lathe and can be compatible with earrings of various specifications.

The utility model provides an earring part machining clamping fixture, which comprises:

the clamping fixture comprises a fixture body, wherein one side of the fixture body is provided with a mounting part for being connected with a clamping jaw of a lathe chuck; a mounting plate is arranged on the other side of the clamp body; the mounting plate is provided with a clamping part, the clamping part is provided with a mandrel, a gland and a fastening structure, the inner hole end of the earring is arranged on the mandrel, the gland is arranged on the end face of the inner hole end, the threaded end of the earring and the lathe spindle are positioned on the same axis, and the fastening structure is used for fixing the threaded end of the earring.

Further, the mounting portion is a flange plate.

Further, the flange plate comprises a connecting plate, wherein the connecting plate is arranged on one side of the mounting plate and is connected with the end face of the flange plate through a connecting piece.

Further, the fastening structure comprises a supporting plate and first bolts, the two supporting plates are oppositely arranged on the mounting plate and located on the left side and the right side of the threaded end of the earring, the first bolts are adjustably arranged on the supporting plate, and the first bolts are used for fixing the threaded end of the earring from the left side and the right side.

Further, the fastening structure comprises a positioning pin, the positioning pin is arranged on the mounting plate, a locking threaded hole is formed in the position, close to the threaded end, of the earring, and the positioning pin is inserted into the locking threaded hole.

Further, the mandrel is provided with a through threaded hole, the mounting plate is provided with a through hole, and one end of the mandrel is fixed on the mounting plate through a second bolt.

Further, a through hole is formed in the gland, and the gland is fixed to the other end of the mandrel through a third bolt.

Further, a triangular reinforcing rib is arranged between the mounting plate and the connecting plate.

Further, the device also comprises a correction rod, wherein one end of the correction rod is provided with a simulated inner hole end, and the structure of the simulated inner hole end is the same as that of the inner hole end of the earring.

Compared with the prior art, the clamping fixture for processing the earring parts has the following beneficial effects:

1. according to the earring part processing clamping fixture, the mandrel is used for fixing the inner hole end of the earring, the fastening structure is used for fixing the threaded end of the earring, the structure is simple and compact, the material cost is low, the dimensional accuracy of the earring part is guaranteed, and the processing cost problem is solved.

2. According to the earring part processing clamping fixture, the mandrel is detachably arranged on the mounting plate, and when earring parts with different specifications are processed, the production and processing can be completed only by replacing the mandrel with the same size as the inner hole of the earring part.

3. The clamping fixture for processing the earring parts is provided with the correction rod, the correction rod is arranged on the mandrel after the clamping fixture for processing the earring parts is clamped on the four-jaw chuck of the lathe, and the clamping fixture is aligned in a meter-beating mode, so that the accurate installation of the clamping fixture is ensured.

Drawings

FIG. 1 is a schematic view of the construction of an earring part;

FIG. 2 is a schematic structural view of an earring part tooling clamp according to one embodiment of the present utility model;

FIG. 3 is an exploded view of the structure of FIG. 2;

FIG. 4 is a schematic structural view of an earring part tooling clamp according to another embodiment of the present utility model;

FIG. 5 is a schematic diagram of the structure of a correction rod;

in the figure: 10. ear rings; 11. an inner bore end; 12. a threaded end; 13. locking the threaded hole; 20. a mounting part; 21. a mounting plate; 22. reinforcing ribs; 23. a connecting plate; 24. a mandrel; 241. penetrating the threaded hole; 25. a gland; 26. a third bolt; 27. a second bolt; 28. a support plate; 29. a first bolt; 30. a correction bar; 31. and (5) positioning pins.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Aiming at the technical problem that in the prior art, in the four-jaw clamping process of a lathe, the qualification rate of products is low, the embodiment of the utility model provides a clamping fixture for processing earring parts, as shown in figures 1 to 3, the earring 10 is provided with an inner hole end 11 and a threaded end 12, a locking threaded hole 13 is arranged at the position of the earring 10 close to the threaded end 12 and used for locking the threaded end 12, in one embodiment, the clamping fixture for processing earring parts comprises a fixture body, and one side of the fixture body is provided with a mounting part 20 for being connected with a clamping jaw of a lathe chuck; the opposite side of anchor clamps body is equipped with mounting panel 21, is provided with the clamping part on the mounting panel 21, and the clamping part is provided with mandrel 24, gland 25 and fastening structure, and the hole end 11 of earring 10 sets up on mandrel 24, and gland 25 covers and locates on the terminal surface of hole end 11 for compress tightly the hole end 11 of earring 10, and the screw thread end 12 of earring 10 is in same axis with the lathe main shaft, and fastening structure is used for fixed screw thread end 12 of earring 10, prevents that earring 10 from producing the skew in the course of working rotation.

In the production process of the earring 10, four-jaw clamping is firstly adopted on a lathe to finish the inner hole processing of the inner hole end 11, so that the inner hole end 11 meets the size requirement, then the processed inner hole of the inner hole end 11 is used as a reference to be clamped on a mandrel 24 of a clamping fixture for processing parts of the earring 10 for fixing, and then the thread processing of the thread end 12 is finished. The clamping fixture is simple and compact in structure and low in material cost, and when parts of the earrings 10 with different specifications are machined, production and machining can be continuously finished only by replacing the mandrel 24 with the same size as the inner hole of the parts of the earrings 10.

Preferably, the mounting portion 20 is a flange; as shown in fig. 2, the clamping fixture for processing the earring part further comprises a connecting plate 23, wherein the connecting plate 23 is arranged on one side of the mounting plate 21 and is connected with the end face of the flange plate through a connecting piece, so that the clamping fixture is convenient to detach, and the flange plate is a common part, thereby effectively reducing the production cost. More preferably, triangular reinforcing ribs 22 are provided between the mounting plate 21 and the connection plate 23 to enhance the connection strength between the mounting plate 21 and the connection plate 23.

In one embodiment, as shown in fig. 2, the fastening structure includes a support plate 28 and a first bolt 29, where the two support plates 28 are oppositely disposed on the mounting plate 21 and located on the left and right sides of the threaded end 12 of the earring 10, the first bolt 29 is adjustably disposed on the support plate 28, and the first bolt 29 is used to fix the threaded end 12 of the earring 10 from the left and right sides.

In another embodiment, as shown in fig. 4, the fastening structure includes a positioning pin 31, where the positioning pin 31 is disposed on the mounting plate 21, and the positioning pin 31 is inserted into the locking threaded hole 13, and the positioning pin 31 is used to fix the threaded end 12 of the earring 10 when the threaded end 12 of the earring 10 is processed.

In one embodiment, as shown in fig. 3, the spindle 24 is provided with a through-hole 241, the mounting plate 21 is provided with a through-hole, one end of the spindle 24 is fixed to the mounting plate 21 by a second bolt 27, the gland 25 is provided with a through-hole, and the gland 25 is fixed to the other end of the spindle 24 by a third bolt 26. The mandrel 24 is detachably mounted on the mounting plate 21, and the mandrel 24 is convenient to replace when parts of earrings 10 with different specifications are processed.

In one embodiment, as shown in fig. 5, the clamping fixture for processing the earring part further comprises a correction rod 30, wherein one end of the correction rod 30 is provided with a simulated inner hole end, and the simulated inner hole end has the same structure as the inner hole end 11 of the earring 10. After the clamping fixture for processing the earring parts is clamped on a four-jaw chuck of a lathe, a correction rod 30 is arranged on a mandrel 24, and the fixture is aligned in a meter-striking mode, so that the fixture is positioned at a correct position.

1. according to the earring part machining clamping fixture, the mandrel is used for fixing the inner hole end of the earring, the fastening structure is used for fixing the threaded end of the earring, the structure is simple and compact, the material cost is low, the dimensional accuracy of the earring part is guaranteed, and the machining cost problem is solved.

2. According to the clamping fixture for processing the earring parts, the mandrel is detachably arranged on the mounting plate, and when the earring parts with different specifications are processed, the mandrel with the same size as the inner hole of the earring part can be replaced, so that the production and the processing can be completed.

3. According to the clamping fixture for processing the earring parts, disclosed by the embodiment of the utility model, the correction rod is arranged, after the clamping fixture for processing the earring parts is clamped on the four-jaw chuck of the lathe, the correction rod is arranged on the mandrel, and the clamping fixture is aligned in a meter-beating mode, so that the accurate installation of the clamping fixture is ensured.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. Earring part processing clamping anchor clamps, earring has interior hole end and screw thread end, its characterized in that:

2. The earring part tooling clamp of claim 1, wherein:

the mounting part is a flange plate.

3. The earring part tooling clamp of claim 2 wherein:

the flange plate is characterized by further comprising a connecting plate, wherein the connecting plate is arranged on one side of the mounting plate and is connected with the end face of the flange plate through a connecting piece.

4. The earring part tooling clamp of claim 1, wherein:

the fastening structure comprises a supporting plate and first bolts, wherein the two supporting plates are oppositely arranged on the mounting plate and located on the left side and the right side of the threaded end of the earring, the first bolts are adjustably arranged on the supporting plate, and the first bolts are used for fixing the threaded end of the earring from the left side and the right side.

5. The earring part tooling clamp of claim 1, wherein:

the fastening structure comprises a locating pin, the locating pin is arranged on the mounting plate, a locking threaded hole is formed in the position, close to the threaded end, of the earring, and the locating pin is inserted into the locking threaded hole.

6. The earring part tooling clamp of claim 1, wherein:

the mandrel is provided with a through threaded hole, the mounting plate is provided with a through hole, and one end of the mandrel is fixed on the mounting plate through a second bolt.

7. The earring part tooling clamp of claim 6 wherein:

the gland is provided with a through hole, and the gland is fixed at the other end of the mandrel through a third bolt.

8. The earring part tooling clamp of claim 3 wherein:

triangular reinforcing ribs are arranged between the mounting plate and the connecting plate.

9. The earring part tooling clamp of claim 1, wherein:

the device further comprises a correction rod, wherein an analog inner hole end is formed at one end of the correction rod, and the structure of the analog inner hole end is identical to that of the inner hole end of the earring.