CN213469692U

CN213469692U - Fixture for machining fuse hole of hexagon nut

Info

Publication number: CN213469692U
Application number: CN202022282070.4U
Authority: CN
Inventors: 方建平; 马元举
Original assignee: Guizhou Zunyi Chi Yu Precision Machinery Manufacturing Co ltd
Current assignee: Guizhou Zunyi Chi Yu Precision Machinery Manufacturing Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-18
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses an anchor clamps are used in processing of hexagon nut fuse hole belongs to machining technical field. The clamp comprises a base plate and a locking assembly, wherein a positioning assembly is arranged on one side of the base plate, a drill bushing is arranged on the positioning assembly, a notch A is formed in the bottom of the base plate, a clamping assembly is movably arranged on the inner side of the notch A on the base plate, the locking assembly is arranged on the base plate, and one end of the locking assembly extends into the notch A and abuts against the clamping assembly. The axial of hexagon nut is fixed a position through the backing plate, fixes a position hexagon nut's circumference and radially through trapezoidal location notch on the stopper, orders about the pressure lever through the annular knurl screw and rotates the fixed hexagon nut of centre gripping, and clamping easy operation, convenience, quick help improving the machining efficiency in fuse hole. After the fuse hole is machined, the knurled screw is rotated reversely, the pressure rod is gradually reset under the action of the spring to loosen the hexagon nut, and the disassembly operation is simple, convenient and quick.

Description

Fixture for machining fuse hole of hexagon nut

Technical Field

The utility model relates to an anchor clamps are used in processing of hexagon nut fuse hole belongs to machining technical field.

Background

The nut parts selected for use in the aircraft pipeline piece are very common, mainly comprise an outer sleeve nut, a locking nut, a compression nut, a welding nut and the like, and can be roughly divided into a hexagonal nut and a round nut according to the appearance of the nut. As shown in fig. 1 and 2, the hexagonal nut has a large number of specifications and needs to be connected and fixed with a fuse to prevent the hexagonal nut from falling off during use, so that a fuse hole needs to be formed in the hexagonal nut.

Chinese patent publication No. CN211360730U discloses a punching tool for a hexagonal nut fuse hole, which fixes the position of a part by two drilling templates and a positioning shaft from left, right, lower and front positions and by adding a clamping function of the drilling templates, and directly drills holes by ensuring the hole positions of the drilled holes in the drilling templates through guide holes on the drilling templates. However, the tool is complex in structure, complex in clamping operation and low in fuse hole machining efficiency.

The Chinese patent document with the publication number of CN107081454A discloses a simple drilling jig for a hexagon nut fuse hole based on a vice and a processing method, and the simple drilling jig for the hexagon nut based on the vice is connected with the vice, a drilling sleeve with a corresponding size is selected according to the specification of a processed hexagon nut, the size L of the fuse hole can be limited, the size h/2 of the fuse hole can be limited by adjusting a positioning nut and locking a positioning bolt, then a part is clamped by the vice, and a drill bit with the diameter of d is selected by using a bench drilling machine to drill the fuse hole on the hexagon nut; when the vice is opened, the part falls freely, and the next part is put in or the other side is replaced for continuous processing. However, the drill jig needs to be used with a vice, and the positioning operation of the fuse hole position on the hexagon nut is complicated.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a hexagonal nut is anchor clamps for fuse hole machining.

The utility model discloses a following technical scheme can realize:

the utility model provides a hexagonal nut is anchor clamps for fuse hole processing, includes backing plate and locking Assembly, one side of backing plate is equipped with locating component, the last drill bushing that is equipped with of locating component, the bottom of backing plate is equipped with notch A, is equipped with the centre gripping subassembly in notch A's inboard activity on the backing plate, locking Assembly establishes on the backing plate, and its one end stretches into notch A and supports and lean on the centre gripping subassembly.

The locating component comprises a limiting block, a trapezoidal locating notch is formed in the limiting block, the limiting block is connected with the backing plate in a sliding mode, and a locking screw is in threaded connection with the backing plate at a position corresponding to the limiting block.

The limiting block is provided with two drill sleeves, the two drill sleeves are symmetrically arranged relative to the trapezoidal positioning notch, and the drill sleeves penetrate through the limiting block.

The central line of the drill sleeve is in the vertical direction, and the distance from the central line of the drill sleeve to the base plate is equal to 1/2 the length of the hexagon nut to be processed.

The clamping assembly comprises a pressure rod, the middle of the pressure rod is movably connected with the base plate through a cylindrical pin, the pressure rod is connected with the bottom of the notch A through a reset piece, and the cylindrical pin is located between the reset piece and the locking assembly.

The piece that resets is the spring, and the bottom of notch A is equipped with the blind hole in the position corresponding with the spring, and the one end and the pressure bar of spring are connected, and the other end is connected with the bottom of blind hole.

One end of the pressure rod, far away from the locking component, extends out of the notch A and is flush with the positioning component.

The locking component is a knurled screw, and the knurled screw is in threaded connection with the base plate.

The beneficial effects of the utility model reside in that:

1. the axial of hexagon nut is fixed a position through the backing plate, fixes a position hexagon nut's circumference and radially through trapezoidal location notch on the stopper, orders about the pressure lever through the annular knurl screw and rotates the fixed hexagon nut of centre gripping, and clamping easy operation, convenience, quick help improving the machining efficiency in fuse hole.

2. After the fuse hole is machined, the knurled screw is rotated reversely, the pressure rod is gradually reset under the action of the spring to loosen the hexagon nut, and the disassembly operation is simple, convenient and quick.

3. Two fuse holes can be machined by one-time clamping, the machining efficiency of the fuse holes is improved, and the hexagonal nut clamping position is reserved between the limiting block and the pressure rod, so that cutting scraps are discharged.

4. The clamp has the advantages of simple structure, reliable clamping, economy, practicality, suitability for batch production of products, easy popularization and the like.

Drawings

FIG. 1 is a schematic front view of a hexagonal nut with a fuse hole;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic sectional view of the present invention;

fig. 4 is a left side view of the structure of fig. 3.

In the figure: 1-pressure rod, 2-limiting block, 3-drill bushing, 4-drill bit, 5-locking screw, 6-reset piece, 7-locking component, 8-backing plate and 9-cylindrical pin.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

As shown in fig. 1 to 4, a anchor clamps are used in processing of hexagon nut fuse hole, including backing plate 8 and locking Assembly 7, locating component is installed to one side of backing plate 8, the last drill bushing 3 of installing of locating component, the bottom processing of backing plate 8 has notch A, and there is centre gripping subassembly at notch A's inboard movable mounting on backing plate 8, locking Assembly 7 installs on backing plate 8, and notch A is stretched into and supports and lean on the centre gripping subassembly to its one end. When using, fix a position hexagon nut's axial through backing plate 8, fix a position hexagon nut's circumference and radial through locating component, order about the centre gripping subassembly action through locking component 7, press from both sides tight fixed hexagon nut with the locating component cooperation, with anchor clamps fix on the work platform of drilling machine can, need not to use with vice is supporting, simple structure, hexagon nut location and clamping easy operation, convenience, quick, help improving the machining efficiency in fuse hole.

The locating component comprises a limiting block 2, a trapezoidal locating notch is machined in the limiting block 2, the limiting block 2 is connected with a backing plate 8 in a sliding mode, and a locking screw 5 is connected to the backing plate 8 in a threaded mode at a position corresponding to the limiting block 2. As shown in figure 3, the limiting block 2 is fixed on the backing plate 8 through a locking screw 5, the trapezoidal positioning notch is used for positioning the hexagonal nut in the radial direction and the circumferential direction, and the shape and the size of the trapezoidal positioning notch are matched with the appearance of the hexagonal nut.

Two drill bushings 3 are installed on the limiting block 2, the two drill bushings 3 are symmetrically arranged relative to the trapezoidal positioning notches, and the drill bushings 3 penetrate through the limiting block 2. The hexagonal nut can be used for processing two fuse holes by one-time clamping and fixing. The drill bushing 3 is used for providing guidance for the drill bit 4, and is helpful for improving the machining precision of the fuse hole.

The central line of the drill bushing 3 is along the vertical direction, and the distance from the central line of the drill bushing 3 to the backing plate 8 is equal to 1/2 of the length of the hexagon nut to be processed.

The clamping assembly comprises a pressure rod 1, the middle of the pressure rod 1 is movably connected with a base plate 8 through a cylindrical pin 9, the pressure rod 1 is connected with the bottom of the notch A through a reset piece 6, and the cylindrical pin 9 is located between the reset piece 6 and the locking assembly 7.

The piece 6 that resets is the spring, and the bottom of notch A is processed with the blind hole in the position corresponding with the spring, and the one end and the pressure bar 1 of spring are connected, and the other end is connected with the bottom of blind hole.

The end of the pressure rod 1 far away from the locking component 7 extends out of the notch A and is flush with the positioning component.

The locking component 7 is a knurled screw, and the knurled screw is in threaded connection with the backing plate 8.

Anchor clamps are used in processing of hexagon nut fuse hole, its use is as follows:

fix backing plate 8 in anchor clamps on the work platform of drilling machine, the one end terminal surface that will wait to process hexagon nut pastes on backing plate 8, make and wait to process hexagon nut and go up adjacent three side and all paste with trapezoidal location notch mutually, rotatory annular knurl screw, the spring force that makes the one end of keeping away from annular knurl screw on the pressure pole 1 and overcome the spring force of spring upwards rotates and presss from both sides the fixed hexagon nut of waiting to process, then operation drilling machine processing fuse hole, the back is accomplished in the fuse hole processing, the reverse rotation annular knurl screw, pressure pole 1 resets gradually under the spring force effect of spring, loosen hexagon nut.

To sum up, the utility model provides an anchor clamps compares with prior art, has following beneficial effect:

1. fix a position hexagon nut's axial through backing plate 8, fix a position hexagon nut's circumference and radial through trapezoidal location notch on the stopper 2, order about pressure lever 1 through the annular knurl screw and rotate the fixed hexagon nut of centre gripping, clamping easy operation, convenience, quick help improving the machining efficiency in fuse hole.

2. After the fuse hole is machined, the knurled screw is rotated reversely, the pressure rod 1 is gradually reset under the action of the spring to loosen the hexagon nut, and the disassembly operation is simple, convenient and quick.

3. Two fuse holes can be machined by one-time clamping, the machining efficiency of the fuse holes is improved, and the hexagonal nut clamping position is reserved between the limiting block 2 and the pressure rod 1, so that cutting scraps are discharged.

Claims

1. The utility model provides a hexagonal nut is anchor clamps for fuse spot facing work which characterized in that: including backing plate (8) and locking Assembly (7), one side of backing plate (8) is equipped with locating component, the last drill bushing (3) that is equipped with of locating component, the bottom of backing plate (8) is equipped with notch A, and the inboard activity at notch A is equipped with the centre gripping subassembly on backing plate (8), establish on backing plate (8) locking Assembly (7), its one end stretches into notch A and supports and lean on the centre gripping subassembly.

2. The jig for machining a fuse hole of a hexagonal nut according to claim 1, wherein: the locating component comprises a limiting block (2), a trapezoidal locating notch is formed in the limiting block (2), the limiting block (2) is connected with a base plate (8) in a sliding mode, and a locking screw (5) is connected to the base plate (8) in a threaded mode at a position corresponding to the limiting block (2).

3. The jig for machining a fuse hole of a hexagonal nut according to claim 2, wherein: two drill bushings (3) are arranged on the limiting block (2), the two drill bushings (3) are symmetrically arranged relative to the trapezoidal positioning notch, and the drill bushings (3) penetrate through the limiting block (2).

4. The jig for machining a fuse hole of a hexagonal nut according to claim 3, wherein: the central line of the drill bushing (3) is along the vertical direction, and the distance from the central line of the drill bushing (3) to the backing plate (8) is equal to 1/2 of the length of the hexagon nut to be processed.

5. The jig for machining a fuse hole of a hexagonal nut according to claim 1, wherein: the clamping assembly comprises a pressure rod (1), the middle of the pressure rod (1) is movably connected with a base plate (8) through a cylindrical pin (9), the pressure rod (1) is connected with the bottom of the notch A through a reset piece (6), and the cylindrical pin (9) is located between the reset piece (6) and the locking assembly (7).

6. The jig for machining a fuse hole of a hexagonal nut according to claim 5, wherein: the reset piece (6) is a spring, a blind hole is formed in the bottom of the notch A at a position corresponding to the spring, one end of the spring is connected with the pressure rod (1), and the other end of the spring is connected with the bottom of the blind hole.

7. The jig for machining a fuse hole of a hexagonal nut according to claim 5, wherein: one end of the pressure rod (1) far away from the locking component (7) extends out of the notch A and is flush with the positioning component.

8. The jig for machining a fuse hole of a hexagonal nut according to claim 1, wherein: the locking component (7) is a knurled screw, and the knurled screw is in threaded connection with the base plate (8).