CN221248342U - Horizontal honing high accuracy quick change fixture device - Google Patents

Abstract

The utility model discloses a horizontal honing high-precision quick-change fixture device, wherein a hanging basket capable of slightly rotating is arranged in a C-shaped frame, a main body is arranged in the hanging basket, the upper end surface of the main body is provided with a mounting hole for mounting a part to be machined, one side of the main body is provided with a mounting hole penetrating through the main body, a sliding pressing plate for limiting and fixing the part to be machined is inserted in the mounting hole in a sliding manner, and the upper part of the main body is provided with a pressing cap for compressing and limiting the sliding pressing plate; the part clamping and processing precision is high, the clamping speed is high, the clamping mode is safe and reliable, the high-precision processing requirement of batch valve sleeve honing can be met, and compared with the traditional horizontal honing clamping technology, the processing power can be improved by 2-3 times.

Description

Horizontal honing high accuracy quick change fixture device

Technical Field

The utility model relates to the technical field of aviation manufacturing and processing, in particular to a horizontal honing high-precision quick-change clamp device.

Background

The horizontal honing machine is used as finishing equipment and has important roles in various fields of manufacturing industries such as aerospace, ship heavy industry and automobile industry. Along with the improvement of product performance in the production process, the precision, the machining efficiency and the quantity requirements of honing machined parts are obviously improved, and the clamping mode of the parts during horizontal honing machining has important influence on the machining precision, the machining efficiency and the quantity of workpieces. At present, a traditional clamping mode is generally adopted for semi-automatic honing of a horizontal honing machine, the clamping mode is not suitable for high-precision valve sleeve honing processing, particularly for processing parts with large honing small holes and honing mandrel length-diameter ratio, the mandrel is easy to break, the quality of the inner hole of a honed part is poor, and the high-precision part processing quality requirement cannot be met.

The common vertical honing fixture comprises a fixture body, a gland, a driving hydraulic cylinder and a pipeline system, wherein the end cover is connected with the main body through threads to compress a part, the pipeline system is used for injecting or discharging hydraulic oil for the driving hydraulic cylinder, the driving hydraulic cylinders which are symmetrically arranged drive the left shaft and the right shaft to fix the main body, and the end cover and the main body are required to be separated when the part is assembled and disassembled. The honing fixture has the advantages of complex structure, high manufacturing cost, complex operation, low clamping speed and the like when clamping workpieces, is complex to install on a horizontal honing machine, is not easy to debug and the like, and does not meet the requirements of the high-precision quick-change fixture for horizontal honing.

Disclosure of utility model

In order to overcome the defects in the background technology, the utility model discloses a horizontal honing high-precision quick-change clamp device, which has the advantages of high part clamping processing precision, high clamping speed, safe and reliable clamping mode, and capability of meeting the requirement of batch valve sleeve honing high-precision processing, and can improve the processing power by 2-3 times compared with the traditional horizontal honing clamping technology.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides a horizontal honing high accuracy quick change fixture device, includes C type frame and hangs the basket, installs in the C type frame and can carry out slight pivoted and hang the basket, installs the main part in the basket, and the main part up end is equipped with the mounting hole that is used for installing the part of waiting to process, and main part one side is equipped with the installing port that runs through the main part, and the slip grafting has the slip clamp plate that is used for carrying out spacing fixed to the part of waiting to process in the installing port, and main part upper portion is equipped with and is used for compressing tightly spacing pressure cap to the slip clamp plate.

Further, both sides of the hanging basket are rotationally connected with both ends of the opening of the C-shaped frame through rotating shafts.

Further, one side of the C-shaped frame is in threaded connection with an adjusting screw which is coaxial with the rotating shaft and corresponds to the rotating shaft, and the adjusting screw is fixedly connected with the adjacent rotating shaft through a spring.

Further, both sides of the main body are matched with both sides of the hanging basket in a clamping way through the connecting rods, and the end parts of the connecting rods penetrate through the hanging basket and are provided with buckles at the end parts of the connecting rods.

Further, the sliding pressing plate comprises a U-shaped plate, a diameter expanding head and a limiting block, the diameter expanding head is arranged at the tail end of the U-shaped plate, the front end of the U-shaped plate is inserted into the main body through the mounting hole, the limiting hole corresponding to the mounting hole is formed in the U-shaped plate located in the main body, and the front end of the U-shaped plate penetrates out of the main body and is provided with the limiting block at the end portion of the U-shaped plate.

Further, the bottom surface of the lower part of the U-shaped plate is an inclined surface which gradually inclines upwards from the tail part of the U-shaped plate to the end part of the U-shaped plate.

Further, the upper port and the lower port of the limiting port are both provided with an expanding bevel.

Further, the press cap is of an annular structure, and the inner annular surface of the press cap is in threaded fit with the outer wall of the main body.

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

the position of the quick-change clamp main body can be adjusted by arranging the adjusting screw, so that the part is uniformly stressed on the honing mandrel, and the purpose of floating is achieved;

by arranging the sliding pressing plate, the part to be processed in the mounting hole can be limited, pressed and fixed, and powerful support is provided for high-quality processing of subsequent parts;

By arranging the diameter expanding bevel and the inclined plane, two angles exist on the compression surface of the sliding pressure plate and the orifice of the limiting opening, so that the parts and the sliding pressure plate move in opposite directions when the sliding pressure plate is pushed, the sliding pressure plate is ensured to be smoothly pushed to a compression position, the design of the two angles changes the structure such as a spring and the like, and the complexity of assembly of the tool is reduced;

By arranging the pressing cap, the sliding pressing plate can be rapidly pressed and limited, so that the part to be processed is indirectly fixed, the part can be rapidly disassembled conveniently, and the pressing cap does not need to be screwed off;

In the process of machining the valve sleeve part, the quick-mounting and locking of the part can be realized, powerful support is provided for subsequent machining treatment, and the part can be taken down to achieve a quick-change function without disassembling a clamping fixture; the part clamping and processing precision is high, the clamping speed is high, the clamping mode is safe and reliable, the high-precision processing requirement of batch valve sleeve honing can be met, and compared with the traditional horizontal honing clamping technology, the processing power can be improved by 2-3 times.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the main structure of the present utility model;

FIG. 3 is a schematic diagram of the main structure of the present utility model;

FIG. 4 is a schematic view of a sliding platen structure according to the present utility model;

Fig. 5 is a cross-sectional view of a sliding platen of the present utility model.

In the figure: 1. a C-shaped frame; 2. an adjusting screw; 3. a spring; 4. a rotating shaft; 5. a connecting rod; 6. pressing the cap; 7. a main body; 8. a sliding pressure plate; 9. a limiting block; 10. a buckle; 11. hanging basket; 12. a mounting hole; 13. a mounting port; 14. a diameter expanding head; 15. a U-shaped plate; 16. a limit opening; 17. expanding oblique angle; 18. and (5) an inclined plane.

Detailed Description

In the description, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., the drawings merely correspond to the drawings of the present utility model, and in order to facilitate description of the present utility model, it is not necessary to indicate or imply that the apparatus or element to be referred to has a specific azimuth.

Referring to fig. 1-5 of the specification, the present utility model provides a technical scheme:

The first embodiment of the invention is a horizontal honing high-precision quick-change fixture device, which comprises a C-shaped frame 1 and a hanging basket 11, wherein the hanging basket 11 capable of slightly rotating is arranged in the C-shaped frame 1, specifically, two sides of the hanging basket 11 are both rotationally connected with two ends of an opening of the C-shaped frame 1 through rotating shafts 4, in order to realize the rotation control of the hanging basket 11, one side of the C-shaped frame 1 is in threaded connection with an adjusting screw 2 which is coaxial with the rotating shafts 4 and corresponds to the rotating shafts 4, the adjusting screw 2 is fixedly connected with the adjacent rotating shafts 4 through springs 3, the springs 3 are positioned in the C-shaped frame 1, the yield coefficient is small, the spring 3 with the elastic length is used for relieving the vibration phenomenon generated by grinding, the adjusting screw 2 is connected with the C-shaped frame 1 through a small pitch, and the adjusting screw 2 is adjusted to control the length of a part to always surround a mandrel according to the weight of the part, so that the part is in a free state;

The main body 7 is arranged in the hanging basket 11, two sides of the main body 7 are in clamping fit with two sides of the hanging basket 11 through the connecting rod 5, the end part of the connecting rod 5 penetrates through the hanging basket 11, a clamping buckle 10 is arranged at the end part of the connecting rod, an installation hole 12 for installing a part to be processed is arranged on the upper end surface of the main body 7, an installation hole 13 penetrating through the main body 7 is arranged at one side of the main body 7, a sliding pressing plate 8 for limiting and fixing the part to be processed is inserted in the installation hole 13 in a sliding manner, the sliding pressing plate 8 comprises a U-shaped plate 15, an expanding head 14 and a limiting block 9,U, the tail end of the limiting block 15 is provided with an expanding head 14, the front end of the U-shaped plate 15 is inserted into the main body 7 through the installation hole 13, a limiting plate 16 corresponding to the installation hole 12 is arranged on the U-shaped plate 15 positioned in the main body 7, an expanding bevel 17 is arranged at the upper end part and the lower end part of the limiting plate 16, the front end part of the U-shaped plate 15 penetrates out of the main body 7, a limiting block 9 is arranged at the end part of the U-shaped plate 15, two angles exist on the pressing surface of the sliding pressing plate 8 and the limiting plate 16, the two angles of the sliding pressing plate 8 are guaranteed to push the sliding pressing plate 8 in opposite directions, the sliding pressing plate 8 and the sliding direction of the sliding pressing plate 8 are guaranteed, the sliding angles are reduced, the complex assembly structure is realized, and the sliding angles are reduced when the sliding pressing plate 8 are designed;

The upper portion of the main body 7 is provided with a pressing cap 6 for pressing and limiting the sliding pressing plate 8, the pressing cap 6 is of an annular structure, and the inner ring surface of the pressing cap 6 is in threaded fit with the outer wall of the main body 7.

When the horizontal honing high-precision quick-change fixture device is used for installing a part, the sliding pressing plate 8 is pushed, the limiting block 9 is attached to the main body 7, the part is installed in the installation hole 12 of the main body 7, the sliding pressing plate 8 is pushed reversely, the inclined surface 18 of the sliding pressing plate pushes the part to be attached to the bottom surface further until the limiting clamping seat of the sliding pressing plate 8 is attached to the main body 7, the sliding pressing plate 8 is tightly pressed by the rotating pressing cap 6, and in the process of rotating the pressing cap 6, the key groove of the pressing cap 6 is self-locked with the sliding pressing plate 8, so that the part is ensured to be fixed in the main body 7, and the part can be adjusted along with the mandrel during processing, so that the uniform stress of the mandrel is ensured; when the part is required to be disassembled, the pressing cap 6 is only required to be rotated in the reverse screwing direction by hands, the sliding pressing plate 8 is pushed, the limiting block 9 is attached to the main body 7, and the workpiece can be rapidly disassembled.

The utility model has not been described in detail in the prior art, and it is apparent to those skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the above-described embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (8)

1. A horizontal honing high accuracy quick change fixture device which characterized in that: including C type frame (1) and hanging basket (11), install in C type frame (1) and carry out slight pivoted hanging basket (11), install main part (7) in hanging basket (11), main part (7) up end is equipped with mounting hole (12) that are used for installing the part of waiting to process, main part (7) one side is equipped with installing port (13) that run through main part (7), sliding grafting has slide clamp plate (8) that are used for carrying out spacing fixed to the part of waiting to process in installing port (13), main part (7) upper portion is equipped with and is used for compressing tightly spacing clamp cap (6) to slide clamp plate (8).

2. The horizontal honing high-precision quick-change clamp device according to claim 1, characterized in that: both sides of the hanging basket (11) are rotationally connected with both ends of the opening of the C-shaped frame (1) through the rotating shaft (4).

3. The horizontal honing high-precision quick-change clamp device according to claim 2, characterized in that: one side of the C-shaped frame (1) is in threaded connection with an adjusting screw (2) which is coaxial with the rotating shaft (4) and corresponds to the rotating shaft, and the adjusting screw (2) is fixedly connected with the adjacent rotating shaft (4) through a spring (3).

4. The horizontal honing high-precision quick-change clamp device according to claim 1, characterized in that: both sides of the main body (7) are in clamping fit with both sides of the hanging basket (11) through the connecting rod (5), the end part of the connecting rod (5) penetrates through the hanging basket (11), and a buckle (10) is arranged at the end part of the connecting rod.

5. The horizontal honing high-precision quick-change clamp device according to claim 1, characterized in that: the sliding pressing plate (8) comprises a U-shaped plate (15), a diameter expanding head (14) and a limiting block (9), the tail end of the U-shaped plate (15) is provided with the diameter expanding head (14), the front end of the U-shaped plate (15) is inserted into the main body (7) through the mounting opening (13), the limiting opening (16) corresponding to the mounting hole (12) is formed in the U-shaped plate (15) in the main body (7), and the front end of the U-shaped plate (15) penetrates out of the main body (7) and is provided with the limiting block (9) at the end portion of the U-shaped plate.

6. The horizontal honing high-precision quick-change clamp device according to claim 5, characterized in that: the bottom surface of the lower part of the U-shaped plate (15) is an inclined surface (18) which gradually inclines upwards from the tail part of the U-shaped plate (15) to the end part of the U-shaped plate (15).

7. The horizontal honing high-precision quick-change clamp device according to claim 5, characterized in that: the upper port and the lower port of the limiting port (16) are respectively provided with an expanding bevel (17).

8. The horizontal honing high-precision quick-change clamp device according to claim 1, characterized in that: the press cap (6) is of an annular structure, and the inner ring surface of the press cap (6) is in threaded fit with the outer wall of the main body (7).