CN219987256U

CN219987256U - Clamp for polishing thin-wall part

Info

Publication number: CN219987256U
Application number: CN202321240994.5U
Authority: CN
Inventors: 王刚; 马晋; 丁辉
Original assignee: Sichuan Zhencheng Technology Co ltd
Current assignee: Sichuan Zhencheng Technology Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-11-10
Anticipated expiration: 2033-05-22

Abstract

The utility model provides a clamp for polishing a thin-wall part, relates to the technical field of clamps, and aims to solve the problem that part deformation is easy to occur when the thin-wall part is clamped during machining. This anchor clamps include: the fixed seat is arranged on a workbench of the vertical grinder, at least three driving parts are arranged at the top of the fixed seat, and the three driving parts are uniformly distributed in a ring shape; the sliding plates are connected with the movable ends of the driving pieces, and fixing grooves for fixing parts are formed in the middle parts of the sliding plates after the sliding plates are installed; the positioning piece is arranged at the top of the sliding plate and is positioned at one end far away from the driving piece; the positioning piece faces the fixed groove and the side wall far away from the fixed groove are respectively provided with the attaching piece; and the inlet of the negative pressure assembly is arranged on the fixed seat. According to the utility model, the thin-wall part is positioned by arranging the positioning piece capable of sliding relatively, so that the deformation of the part in the clamping process is avoided.

Description

Clamp for polishing thin-wall part

Technical Field

The utility model relates to the technical field of clamps, in particular to a clamp for polishing a thin-wall part.

Background

When the annular thin-wall part is machined, the outer circular surface of the thin-wall part needs to be machined, the inner circular surface of the thin-wall part needs to be machined, and two sets of clamps are needed during machining. When the outer circular surface is machined, an inner supporting type clamp is generally used for clamping the inner circular surface, and then the outer circular surface is turned; when the inner circular surface is machined, an external shrinkage clamp is generally used for clamping the outer circular surface, and then the inner circular surface is turned. Moreover, the existing clamp is easy to deform when clamping the thin-wall part, and the machining error of the part is overlarge.

Disclosure of Invention

The utility model provides a clamp for polishing a thin-wall part, which aims to solve the problem that the part is easy to deform when the thin-wall part is clamped during processing, and a driving part drives a sliding plate to move, so that a fitting part arranged on a positioning part is abutted against the inner side wall or the outer side wall of the part, the part is fixed, and the parts with different sizes can be fixed due to the adjustable length of the driving part.

The technical scheme adopted by the utility model is as follows:

a clamp for polishing a thin-walled part, comprising:

the fixed seat is arranged on a workbench of the vertical grinder, at least three driving parts are arranged at the top of the fixed seat, and the three driving parts are uniformly distributed in a ring shape;

the sliding plates are connected with the movable ends of the driving pieces, and fixing grooves for fixing parts are formed in the middle parts of the sliding plates after the sliding plates are installed;

the positioning piece is arranged at the top of the sliding plate and is positioned at one end far away from the driving piece;

the positioning parts face the fixing grooves and the side walls far away from the fixing grooves are respectively provided with the attaching parts, and the attaching parts are anti-skid rubber mats;

the negative pressure assembly is used for collecting dust generated during polishing, and an inlet of the negative pressure assembly is arranged on the fixing seat.

Optionally, two oblong holes are formed in one end, close to the driving piece, of the sliding plate, and the setting directions of the two oblong holes are the same as the moving direction of the driving piece;

the sliding plate passes through the oblong hole through the bolt to be connected with the locating plate, the locating plate with form the location opening that is used for the fixed part between the setting element.

Optionally, the side walls of the positioning plates are provided with anti-slip pads.

Optionally, the positioning member is fixed on the attaching member by a screw.

Optionally, the laminating piece is equipped with anti-skidding line with the part laminating.

Optionally, a side of the fitting facing the part is an arc-shaped surface.

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

the driving piece drives the sliding plate to move, so that the attaching piece arranged on the positioning piece is abutted against the inner side wall or the outer side wall of the part, the part is fixed, and the parts with different sizes can be fixed due to the adjustable length of the driving piece.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic top view of a fixture for polishing thin-walled parts.

Fig. 2 is a schematic diagram of a front view structure of a jig for polishing a thin-walled part.

Fig. 3 is a schematic view of a partial structure of a jig for polishing a thin-walled part.

Reference numerals:

1. a fixing seat; 2. a driving member; 3. a sliding plate; 4. a fixing groove; 5. a positioning piece; 6. a fitting member; 7. a negative pressure assembly; 8. a slotted hole; 9. a positioning plate; 10. positioning the opening; 11. an anti-slip pad; 12. anti-skid lines; 13. a guide rail; 14. a chute; 15. a sliding groove; 16. a sliding block.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the present utility model, it should be understood that the terms "length", "width", "thickness", "upper", "lower", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, or those conventionally put in use of the product of the present utility model, or those conventionally understood by those skilled in the art, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element to be 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.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, an embodiment of the present utility model provides a fixture for polishing a thin-walled part, including: fixing base 1, sliding plate 3, setting element 5, laminating piece 6 and negative pressure assembly 7. The fixed seat 1 is arranged on a workbench of the vertical grinder, at least three driving pieces 2 are arranged at the top of the fixed seat 1, and the three driving pieces 2 are uniformly distributed in a ring shape. The sliding plates 3 are connected with the movable ends of the driving parts 2, and fixing grooves 4 for fixing parts are formed in the middle of the sliding plates 3 after being installed. A positioning member 5 is mounted on top of the slide plate 3 at an end remote from the driving member 2. The locating piece 5 is towards the fixed slot 4 and keep away from all be provided with on the lateral wall of fixed slot 4 laminating piece 6, laminating piece 6 is anti-skidding cushion. The negative pressure assembly 7 is used for collecting dust generated during polishing, and an inlet of the negative pressure assembly 7 is arranged on the fixing seat 1.

When the polishing device is used, the overhanging length of the driving piece 2 is set through the system, parts to be polished are placed in the fixed grooves 4 formed among the sliding plates 3, the sliding plates 3 are driven to move through automatic expansion and contraction of the driving piece 2, the positioning piece 5 mounted on the sliding plates 3 is close to the side wall of the processed part, and the attaching piece 6 mounted on the positioning piece 5 is attached to the side wall of the processed part to achieve positioning. Dust generated in the polishing process is sucked away through the negative pressure assembly 7 in the polishing process. The negative pressure assembly 7 is an existing dust removal device. The laminating piece 6 is anti-skidding cushion in order to increase its frictional resistance with the part of being processed, avoids being processed the part and appears rotating in polishing the constitution, influences the quality of polishing.

The driving member 2 may be an air cylinder, a hydraulic cylinder, an automatic telescopic rod, or a linear motor.

In another embodiment, as shown in fig. 1, two oblong holes 8 are provided at one end of the sliding plate 3 near the driving member 2, and the two oblong holes 8 are provided in the same direction as the moving direction of the driving member 2. The sliding plate 3 is connected with the positioning plate 9 by penetrating through the oblong hole 8 through a bolt, and a positioning opening 10 for fixing a part is formed between the positioning plate 9 and the positioning piece 5.

When in use, the overhanging length of the driving piece 2 is adjusted, so that the attaching piece 6 is attached to the inner side wall of the processed part. The positioning plate 9 is then mounted on the slide plate 3 and fixed by bolts. The workpiece to be processed is fixed more firmly, and rotation or inclination in the polishing process is avoided.

In another embodiment, as shown in fig. 1 and 2, in order to further improve the fixing firmness of the processed parts, anti-slip pads 11 are arranged on the side walls of the positioning plate 9.

In another embodiment, the positioning member 5 is fixed to the attaching member 6 by a screw in order to change the attaching member 6.

In another embodiment, as shown in fig. 1 and 2, in order to improve the anti-slip performance of the attaching member 6, an anti-slip pattern 12 is formed between the attaching member 6 and the part.

In another embodiment, as shown in fig. 2, the top of the fixing base 1 is provided with a guide rail 13, and the sliding plate 3 is provided with a sliding groove 14 matched with the guide rail 13. The driving piece 2 drives the sliding plate 3 to slide along the guide rail 13.

In another embodiment, as shown in fig. 3, a sliding groove 15 is formed on the top of the fixing base 1, and a sliding block 16 matched with the sliding groove 15 is formed on the sliding plate 3. The sliding groove 15 is provided at the top of the fixing base 1 to avoid affecting the positioning of the machined part during the grinding process.

In another embodiment, the side of the fitting 6 facing the part is curved. When machined to have a cambered surface, the cambered surface can increase the contact area of the fitting piece with the cambered surface. When the processed part is a plane, the attaching piece 6 is a rubber pad and can deform, so that the arc-shaped surface is attached to the side wall of the processed part.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a thin wall part anchor clamps for polishing which characterized in that includes:

the negative pressure assembly is used for collecting dust generated during polishing, and an inlet of the negative pressure assembly is arranged on the fixing seat;

two oblong holes are formed in one end, close to the driving piece, of the sliding plate, and the arrangement direction of the two oblong holes is the same as the moving direction of the driving piece;

2. The fixture for polishing thin-walled parts according to claim 1, wherein the side walls of the positioning plates are provided with anti-slip pads.

3. The jig for polishing thin-walled parts according to claim 1, wherein the positioning member is fixed to the attaching member by a screw.

4. A clamp for polishing thin-walled parts according to claim 1 or 3 characterized in that the fitting member is provided with anti-slip lines fitted to the parts.

5. The fixture for polishing thin-walled parts according to claim 1, wherein the top of the fixing base is provided with a guide rail, and the sliding plate is provided with a sliding groove matched with the guide rail.

6. The jig for polishing a thin-walled part according to claim 1, wherein the fitting member has an arcuate surface on a side facing the part.