CN209272955U - Fixture for face milling on the outer circle of nuts - Google Patents

Abstract

The utility model discloses a fixture for plane milling on the outer circle of special-shaped nuts, comprising a base (1), a positioning seat (2) and a pressing plate (3), and is characterized in that: the base (1) is fixedly connected with a positioning seat ( 2), the positioning seat (2) is provided with a positioning platform (12), a boss (13) and a positioning surface (14); the stud (4) is connected to the base, and the stud (4) is sequentially equipped with Spring (6), pressure plate (3), nut (5), stud (4) are placed in the chute B (9) of the pressure plate (3) and the pressure plate (3) can move along the chute B (9), the pressure plate (3) The upper part is provided with a hook plate (11), and the two ends of the support pin (7) are respectively installed in the pin hole (10) of the pressure plate (3) and the chute A (8) of the base (1), and the support pin ( 7) It can move along the chute A (8). The utility model has the advantages of high quality, safety, high efficiency and economy, simple structure and convenient operation, and is suitable for popularization and use of plane milling on the outer circle of special-shaped nuts.

Description

Fixture for face milling on the outer circle of nuts

technical field

The utility model belongs to the technical field of clamping devices, in particular to a clamp used for plane milling on the outer circle of nuts.

Background technique

Fixture is a device used to fix the processing object in the process of mechanical manufacturing so that it can occupy the correct position to accept construction or inspection, and it is essential in the production process. For nuts (as shown in Figures 7 and 8), the two planes b (6.3 ± 0.1) on the outer circle of the milling are often used: a. The design uses the a surface to locate and clamp the fixture and install it on On the vise or on the indexing plate, and then mill the plane, but because its thickness H (1.3) is relatively thin, the part is easily deformed if the clamping force is too large. If the clamping force is too small, the clamping of the part is unstable and easy to fall off If it comes out to hurt people, this processing method is not good for quality assurance and has potential safety hazards; b. Use surface a for positioning, clamp the upper and lower end surfaces with a vise, and mill on one side. Each part needs to be clamped and milled twice, which is inefficient and high cost. It can be seen that the above two commonly used clamping methods cannot meet the existing needs.

Contents of the invention

The purpose of this utility model is to overcome the above-mentioned shortcomings and provide a high-quality, safe, efficient, economical, simple structure, and easy-to-operate fixture for plane milling on the outer circle of nuts.

The purpose of this utility model and its main technical problems are solved by adopting the following technical solutions:

The fixture used for plane milling on the outer circle of nuts of the utility model includes a base, a positioning seat, and a pressing plate, wherein: the base is fixedly connected with a positioning seat, and the positioning seat is provided with a positioning platform, a boss and a positioning surface; the stud Connected to the base, the studs are sequentially equipped with springs, pressure plates, and nuts. The studs are placed in the chute B of the pressure plate and the pressure plate can move along the chute B. The upper part of the pressure plate is provided with a hook plate, and the lower part of the hook plate is provided with a positioning The positioning groove can be matched with the positioning surface; the two ends of the support pin are respectively installed in the pin hole of the pressure plate and the chute A of the base, and the support pin can move along the chute A.

The above clamp for plane milling on the outer circle of the nut, wherein: installation grooves are arranged on both sides of the base.

The above-mentioned fixture for plane milling on the outer circle of nuts, wherein: the chute A is a rectangular groove.

The above fixture for plane milling on the outer circle of the nut, wherein: the chute B is a rectangular groove with arcs at both ends.

The above clamp for plane milling on the nut outer circle, wherein: the hook plate is an L-shaped plate.

The above-mentioned fixture for plane milling on the nut outer circle, wherein: the positioning table is two square blocks arranged on the top of the positioning seat and arranged at 180°.

The above fixture for plane milling on the outer circle of the nut, wherein: the boss is a cylinder arranged at the center of the positioning seat.

The above fixture for plane milling on the outer circle of the nut, wherein: the positioning surface is two planes arranged on the upper side of the positioning seat and arranged at 180°, and the arrangement of the two planes is consistent with the arrangement direction of the two positioning tables. vertical.

The above-mentioned fixture for plane milling on the nut outer circle, wherein: the positioning groove is arranged on one side of the pressure plate and is a rectangular groove with a circular arc at one end.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. It can be known from the above technical scheme that in the fixture for plane milling on the outer circle of the nut of the present invention, the positioning seat is provided with a positioning platform, a boss and a positioning surface, and the positioning platform is arranged on the top of the positioning seat and has an angle of 180°. Two square blocks are arranged, the boss is a cylinder arranged in the center of the positioning seat, and the positioning surface is two planes arranged at 180° on the upper side of the positioning seat, and the arrangement of the two planes is the same as that of the two The arrangement direction of the positioning table is vertical, the a surface of the nut is positioned by the positioning table, the center hole of the nut is positioned by the boss, the positioning surface cooperates with the positioning groove to realize the positioning of the pressure plate; the upper part of the pressure plate is provided with a hook plate, It is mainly used to compress nuts; the studs are connected to the base, and springs, pressure plates, and nuts are installed on the studs in turn. The studs are placed in the chute B of the pressure plate and the pressure plate can move along the chute B. Columns, springs and slide grooves are mainly used to support and position the pressure plate, so as to ensure that the height and front and rear positions of the pressure plate remain unchanged when the pressure plate slides during the loading and unloading of parts. In a word, the utility model has the advantages of high quality, safety, high efficiency and economy, simple structure and convenient operation, and is suitable for popularization and use of plane milling on the outer circle of nuts.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the structural representation of pressing plate;

Fig. 4 is the top view of Fig. 3;

Fig. 5 is the structural representation of positioning seat;

Figure 6 is a top view of Figure 5;

Fig. 7 is the structural representation of nut;

Figure 8 is a top view of Figure 7;

Fig. 9 is a diagram of the use status of the utility model.

Marked in the picture:

1. Base; 2. Positioning seat; 3. Press plate; 4. Stud; 5. Nut; 6. Spring; 7. Support pin; 8. Chute A; 9. Chute B; 10. Pin hole; 11. Hook plate; 12, positioning type platform; 13, boss; 14, positioning surface; 15, positioning groove; 16, nut.

Detailed ways

The specific implementation, structure, features and functions of the jig for plane milling on the outer circle of the nut proposed according to the utility model will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

Referring to Fig. 1 to Fig. 6, the jig used for plane milling on the outer circle of the nut of the present invention includes a base 1, a positioning seat 2, and a pressure plate 3, wherein: the base 1 is fixedly connected with a positioning seat 2, and the positioning seat 2 is provided with a There are positioning table 12, boss 13 and positioning surface 14; stud 4 is connected to the base, spring 6, pressure plate 3, nut 5 are installed on the stud 4 in turn, and stud 4 is placed in the chute B9 of pressure plate 3 And the pressing plate 3 can move along the chute B9, the upper part of the pressing plate 3 is provided with a hook plate 11, the lower part of the hook plate 11 is provided with a positioning groove 15, and the positioning groove 15 can be matched and engaged on the positioning surface 14; the two ends of the supporting pin 7 are respectively Installed in the pin hole 10 of the pressure plate 3 and the chute A8 of the base 1, the support pin 7 can move along the chute A8. Mounting grooves are provided on both sides of the base 1 . Chute A8 is a rectangular groove. The chute B9 is a rectangular groove with arcs at both ends. Hook plate 11 is an L-shaped plate. The positioning platform 12 is two square blocks arranged on the top of the positioning seat 2 and arranged at 180°. The boss 13 is a cylinder arranged at the center of the positioning seat 2 . The positioning surface 14 is two planes arranged on the upper side of the positioning seat 2 and arranged at 180°, and the arrangement of the two planes is perpendicular to the direction in which the two positioning tables 12 are arranged. The positioning groove 15 is arranged on one side of the pressing plate 3 and is a rectangular groove with an arc at one end.

When in use, see Figure 9, first install the T-shaped bolts and nuts in the installation grooves provided on both sides of the base 1, fasten the fixture on the horizontal milling machine, and then put the nuts 16 into the positioning table 12 of the positioning seat 2 Inside, move the pressure plate 3 to the left, the positioning groove 15 of the pressure plate 3 fits the positioning surface 14 and the outer circle of the positioning seat 2, then press the hook plate 11 against the upper end surface of the nut 16, and tighten the nut 5 to perform milling; After the milling is finished, the pressing plate 3 is moved to the right, and the processed nut 16 is taken out to complete a machining process. The utility model has the advantages of high quality, safety, high efficiency and economy, simple structure and convenient operation, and is suitable for popularization and use of plane milling on the outer circle of nuts.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model in any form. Any modifications made to the above embodiments according to the technical essence of the present utility model do not deviate from the content of the technical solution of the present utility model. Any simple modifications, equivalent changes and modifications still belong to the scope of the technical solution of the present utility model.

Claims (9)

1. a kind of fixture of the slabbing in nut outer circle, including pedestal (1), positioning seat (2), pressing plate (3), feature exists In: it is fixedly connected on pedestal (1) positioning seat (2), location type platform (12), boss (13) and positioning is provided on positioning seat (2) Face (14)；Stud (4) is connected on pedestal, and spring (6), pressing plate (3), nut (5), stud (4) are sequentially arranged on stud (4) Be placed in the sliding slot B(9 of pressing plate (3)) in and pressing plate (3) can B(9 along the chute) it is mobile, pressing plate (3) top is provided with hook plate (11), hook It is provided with locating slot (15) below plate (11), locating slot (15) mating can be fastened on positioning surface (14)；The both ends of supporting pin (7) It is attached separately to the pin hole (10) of pressing plate (3) and the sliding slot A(8 of pedestal (1)) in, supporting pin (7) can A(8 along the chute) it is mobile.

2. the fixture for slabbing in nut outer circle as described in claim 1, it is characterised in that: pedestal (1) two sides are set It is equipped with mounting groove.

3. the fixture for slabbing in nut outer circle as described in claim 1, it is characterised in that: sliding slot A(8) it is rectangle Slot.

4. the fixture for slabbing in nut outer circle as described in claim 1, it is characterised in that: sliding slot B(9) it is both ends Rectangular channel with circular arc.

5. the fixture for slabbing in nut outer circle as described in claim 1, it is characterised in that: hook plate (11) is L-type Plate.

6. the fixture for slabbing in nut outer circle as described in claim 1, it is characterised in that: location type platform (12) is It is arranged at the top of positioning seat (2) and in two square blocks of 180 ° of arrangements.

7. the fixture for slabbing in nut outer circle as described in claim 1, it is characterised in that: boss (13) is setting Cylindrical body at positioning seat (2) center.

8. the fixture for slabbing in nut outer circle as claimed in claim 6, it is characterised in that: positioning surface (14) is to set It sets in positioning seat (2) side surface upper part and in two planes of 180 ° of arrangements, and the arrangement of two planes and two location type platforms (12) arragement direction is vertical.

9. the fixture for slabbing in nut outer circle as described in claim 1, it is characterised in that: locating slot (15) setting It in pressing plate (3) side and is rectangular channel of the one end with circular arc.