CN217193939U

CN217193939U - Clamping tool for machining nut fuse hole for aviation

Info

Publication number: CN217193939U
Application number: CN202220795194.9U
Authority: CN
Inventors: 贺先杰; 秦检; 王敏
Original assignee: Chengdu Ald Aviation Manufacturing Corp
Current assignee: Chengdu Ald Aviation Manufacturing Corp
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-08-16
Anticipated expiration: 2032-04-07

Abstract

The utility model relates to a frock clamp field discloses clamping frock is used in processing of nut fuse hole for aviation, and it includes drill chuck main block and activity clamp splice, has seted up the clamping groove on the drill chuck main block, and activity clamp splice slidable mounting has seted up the locating hole on the drill chuck main block in the clamping groove, and the locating hole runs through the clamping groove, sets up threaded hole on the drill chuck main block, the axial lead of screw hole and the axial lead mutually perpendicular of locating hole, and threaded hole twists has the bolt, and it slides to promote the activity clamp splice through twisting the bolt. The utility model has the advantages that: the bolt is screwed to push the movable clamping block to fix the hexagonal nut to be opened, the hexagonal nut to be opened is not influenced by the sizes of hexagonal sizes of different nuts, the hexagonal nut can be machined as long as the hole edge distances are consistent, and the application range is wide.

Description

Clamping tool for machining nut fuse hole for aviation

Technical Field

The utility model relates to a frock clamp field, especially clamping frock is used in nut fuse spot facing work for aviation.

Background

A large number of special non-standard hexagonal nuts exist in aviation part system part products, the appearance of the parts is usually the same as that of standard hexagonal nuts, but a fuse hole structure is usually added on a hexagonal inclined surface. This kind of part adopts the mode of designing special frock at processing fuse hole usually, and this kind of mode leads to the cost-push, processing cycle extension, and special frock receives part size machining tolerance restriction itself, and it is very inconvenient to use, has greatly reduced machining efficiency, drills the fuse hole on current hexagon nut simultaneously, and not only processing difficulty and processing cost are high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping frock is used in nut fuse spot facing work for the aviation to overcome prior art's shortcoming.

The purpose of the utility model is realized through the following technical scheme: clamping frock is used in nut fuse hole processing for aviation, including drill chuck main block and activity clamp splice, the clamping groove has been seted up on the drill chuck main block, activity clamp splice slidable mounting be in the clamping inslot, the locating hole has been seted up on the drill chuck main block, the locating hole runs through the clamping groove, set up threaded hole on the drill chuck main block, the axial lead of screw hole with the axial lead mutually perpendicular of locating hole, it has the bolt to twist in the threaded hole, moves through twisting the bolt promotes the activity clamp splice slides.

Preferably, the drill chuck main block is sleeved with a sliding sleeve for shielding the clamping groove.

Preferably, the movable clamping block is provided with a V-shaped groove, and the port of the V-shaped groove faces the positioning hole.

Preferably, a drill bushing is installed in the positioning hole in a tight fit mode.

Preferably, the clamping groove is composed of a sliding section and a locking section, the locking section is V-shaped, a V-shaped port of the locking section faces the threaded hole, and the positioning hole penetrates through the locking section.

Preferably, the movable clamping block is provided with a countersunk hole, a rubber block is arranged in the countersunk hole, and the rubber block is bonded on the screw rod of the bolt.

The utility model has the advantages of it is following:

1. the bolt is screwed to push the movable clamping block to fix the hexagonal nut to be opened, the hexagonal nut to be opened is not influenced by the sizes of hexagonal sizes of different nuts, the hexagonal nut can be machined as long as the hole edge distances are consistent, and the application range is wide.

2. The hexagonal nuts of a plurality of models can be processed no matter how the outer hexagonal dimension machining tolerance is, as long as the edge distances of the fuse holes are equal, the tool consistency is strong, and the machining tolerance is constant.

3. The rubber block is clamped in the countersunk head through hole and is bonded with the bolt, the movable clamping block is pushed to clamp the non-standard hexagonal nut or is pulled to unlock the non-standard hexagonal nut under the action of the rubber block when the bolt is screwed, and the clamping is convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a first schematic view of an installation structure of the sliding sleeve;

FIG. 3 is a second schematic view of the installation structure of the sliding sleeve;

in the figure, 1-a drill clamping main block, 2-a movable clamping block, 3-a clamping groove, 4-a positioning hole, 5-a sliding sleeve, 6-a V-shaped groove, 7-a drill sleeve, 8-a counter bore, 9-a rubber block, 10-a bolt and 11-a nut.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figure 1, the clamping tool for machining the aviation nut fuse hole comprises a drill clamping main block 1 and a movable clamping block 2, wherein a clamping groove 3 is formed in the drill clamping main block 1, the movable clamping block 2 is slidably mounted in the clamping groove 3, the clamping groove 3 consists of a sliding section and a locking section, the locking section is V-shaped, a V-shaped port of the locking section faces a threaded hole, a V-shaped groove 6 is formed in the movable clamping block 2, a port of the V-shaped groove 6 faces a positioning hole 4, the drill clamping main block 1 is provided with a positioning hole 4, the positioning hole 4 penetrates through the locking section, the drill clamping main block 1 is further provided with a threaded hole, an axial lead of the threaded hole is perpendicular to an axial lead of the positioning hole 4, a bolt 10 is screwed in the threaded hole, the movable clamping block 2 is pushed to slide by screwing the bolt 10, the movable clamping block 2 is pushed by screwing the bolt 10 to fix a hexagonal nut 11 to be subjected to fuse hole without being influenced by different sizes of the nuts 11, the fuse can be machined as long as the hole edge distances are consistent, the application range is wide, and the hexagonal nuts 11 of the plurality of models can be machined as long as the fuse hole edge distances are equal, regardless of the machining tolerance of the outer hexagonal dimension, the tool consistency is strong, and the machining tolerance is constant.

In this embodiment, as shown in fig. 2 and 3, a sliding sleeve 5 covering the clamping groove 3 is sleeved on the drill chuck main block 1, a drill bushing 7 is tightly fitted in the positioning hole 4, one end of the drill bushing 7 is located outside the positioning hole 4, a limiting groove is formed in the sliding sleeve 5, and the drill bushing 7 is clamped in the limiting groove to prevent the non-standard nut 11 from sliding along the radial direction of the drill shaft in the drilling process.

In this embodiment, as shown in fig. 3, a countersunk hole 8 is formed in the movable clamping block 2, a rubber block 9 is installed in the countersunk hole 8, the rubber block 9 is bonded on a screw rod of the bolt 10, the rubber block 9 is clamped into the countersunk through hole by utilizing elastic deformation of the rubber block 9, the outer contour of the rubber block 9 is consistent with the inner contour of the countersunk through hole, but the external dimension of the rubber block 9 is slightly smaller than the inner cavity of the countersunk through hole, so that after the rubber block 9 is bonded with the bolt 10, the bolt 10 can push the movable clamping block 2 to move and can also pull the movable clamping block 2 to move when being screwed, and the non-standard nut 11 is conveniently clamped or unlocked.

The working process of the utility model is as follows: placing the non-standard nut 11 in the clamping groove 3 first, and laminate mutually with the V-arrangement groove 6 of activity clamp splice 2, then twist and move bolt 10 and push the non-standard nut 11 to the locking section of V-arrangement, because the opposite direction setting of two V-arrangements makes the firm lock of non-standard nut 11 die in the clamping groove 3, after the locking of non-standard nut 11, the slip sliding sleeve 5 shelters from the locking section, then put into the frock and carry out the drilling on the drilling machine, the internal face that shelters from the sliding sleeve 5 of non-standard nut 11 is not more than 0.03mm with the interval of non-standard nut 11, in order to guarantee the precision of seting up of fuse hole.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Clamping frock is used in nut fuse spot facing work for aviation, its characterized in that: including drill chuck main block (1) and activity clamp splice (2), clamping groove (3) have been seted up on drill chuck main block (1), activity clamp splice (2) slidable mounting be in clamping groove (3), locating hole (4) have been seted up on drill chuck main block (1), locating hole (4) run through clamping groove (3), set up threaded hole on drill chuck main block (1), the axial lead of screw hole with the axial lead mutually perpendicular of locating hole (4), it has bolt (10) to twist in the threaded hole, moves through twisting bolt (10) promote activity clamp splice (2) slide.

2. The clamping tool for machining the nut fuse hole for aviation according to claim 1, wherein the clamping tool comprises: the drill chuck main block (1) is sleeved with a sliding sleeve (5) which shields the clamping groove (3).

3. The clamping tool for machining the nut fuse hole for aviation according to claim 1, wherein the clamping tool comprises: and a V-shaped groove (6) is formed in the movable clamping block (2), and the port of the V-shaped groove (6) faces the positioning hole (4).

4. The clamping tool for machining the nut fuse hole for aviation according to claim 1, wherein the clamping tool comprises: and a drill bushing (7) is arranged in the positioning hole (4) in a tight fit manner.

5. The clamping tool for machining the aviation nut fuse hole as claimed in any one of claims 1 to 4, wherein the clamping tool comprises: the clamping groove (3) is composed of a sliding section and a locking section, the locking section is V-shaped, a V-shaped port of the locking section faces the threaded hole, and the positioning hole (4) penetrates through the locking section.

6. The clamping tool for machining the aviation nut fuse hole as claimed in any one of claims 1 to 4, wherein the clamping tool comprises: the movable clamping block (2) is provided with a counter bore (8), the small end of the counter bore (8) faces the bolt (10), a rubber block (9) matched with the inner cavity of the counter bore (8) is installed in the counter bore (8), and the rubber block (9) is bonded on a screw rod of the bolt (10).