CN216758245U - Drilling fixture - Google Patents

Abstract

The utility model provides a drilling clamp which comprises a base, a clamping structure, a limiting structure and a drilling template, wherein a support is arranged at the top of the base; the clamping mechanism comprises a pressing piece, a supporting piece and an eccentric wheel, one end of the pressing piece is hinged with the eccentric wheel, the middle part of the pressing piece is hinged with the supporting piece, the supporting piece is connected to the top of the support, and the other end of the pressing piece is positioned above the rectangular groove; the limiting device comprises a supporting block, a baffle and a positioning bolt, the supporting block is arranged in the rectangular groove, a V-shaped groove is formed in the top of the supporting block, the baffle is fixedly connected to one side of the base along the length direction of the V-shaped groove, and the positioning bolt is in threaded connection with the baffle and corresponds to the V-shaped groove; the drill plate is fixedly connected to the top of the support, and a drill bushing is arranged on the drill plate. The clamp is simple to operate, convenient to install and adjust, high in machining precision and capable of greatly improving production efficiency.

Description

a drilling jig

technical field

The utility model relates to the technical field of tooling fixtures, in particular to a drilling fixture.

Background technique

In the process of machining production, it is often necessary to drill holes at one end or both ends of the shaft, such as pin shaft parts. The existing processing technology is: placing the workpiece directly on the drilling machine table or placing it on machine tool accessories such as machine vices According to the surface of the workpiece, use a scribing needle or an indicator to align the exact position of the workpiece before clamping, or first scribe the position of the machined surface according to the processing requirements, and then align according to the scribed line marks to achieve clamping. Pack. This type of clamping method is labor-intensive and has low positioning accuracy, resulting in low production efficiency, increased labor costs, and requires workers with high technical levels.

Utility model content

The purpose of the utility model is to solve the problems existing in the prior art, and to provide a drilling fixture, which is easy to operate, easy to install and adjust, and has high machining precision, which greatly improves the production efficiency.

In order to realize the above-mentioned purpose, the present utility model realizes through the following technical solutions:

A drilling fixture includes a base, a clamping structure, a limit structure and a drilling template, a support is provided on the top of the base, and a rectangular groove is provided on the top of the support; the clamping mechanism includes a pressing member, a support and an eccentric, one end of the pressing piece is hinged with the eccentric wheel, the middle of the pressing piece is hinged with the supporting piece, the supporting piece is connected to the top of the support, and the pressing piece The other end of the bracket is located above the rectangular slot; the limiting device includes a support block, a baffle plate and a positioning bolt, the support block is arranged in the rectangular slot, the top of the support block is provided with a V-shaped slot, and the The baffle is fixedly connected to one side of the base along the length direction of the V-shaped groove, the positioning bolt is threadedly connected to the baffle and corresponds to the V-shaped groove; the drilling template is fixedly connected to the On the top of the support, a drill sleeve is provided on the drill template.

Preferably, a support bolt is threadedly connected to the top of the base below the eccentric wheel, and the support is connected to the support through a thread.

Preferably, a handle is provided on the eccentric wheel.

Preferably, there are two drill templates, which are respectively arranged on both sides of the pressing member along the length direction of the V-shaped groove.

Compared with the prior art, the beneficial effects of the present utility model are:

The drilling fixture of the utility model has the advantages of simple operation, convenient installation and adjustment, high processing precision, greatly improving the production efficiency, and can be applied to the clamping of pin shaft parts of various diameters.

Description of drawings

Accompanying drawing 1 is the structural representation of the drilling fixture of the present invention;

FIG. 2 is an enlarged view of the structure of part A in FIG. 1 .

Description of reference numerals

1-base, 2-drilling template, 3-support, 4-pressing piece, 5-support piece, 6-eccentric wheel, 7-support block, 8-baffle plate, 9-locating bolt, 10-V-groove , 11-drilling sleeve, 12-positioning groove, 13-bolt hole, 14-workpiece, 15-drill hole, 16-support bolt, 17-handle.

Detailed ways

The present utility model will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. In addition, it should be understood that after reading the teaching content of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the limited scope of the present application.

As shown in Figures 1 and 2, a drilling fixture includes a base 1, a clamping structure, a limit structure and a drilling template 2. A support 3 is provided on the top of the base 1, and a rectangular groove is provided on the top of the support 3; the clamp The pressing mechanism includes a pressing member 4, a supporting member 5 and an eccentric wheel 6, one end of the pressing member 4 is hinged with the eccentric wheel 6, the middle of the pressing member 4 is hinged with the supporting member 5, and the supporting member 5 is connected on the top of the support 3, The other end of the pressing member 4 is located above the rectangular groove; the limiting device includes a support block 7, a baffle plate 8 and a positioning bolt 9, the support block 7 is arranged in the rectangular groove, and the top of the support block 7 is provided with a V-shaped groove 10, the baffle plate 8 is fixedly connected on one side of the base 1 along the length direction of the V-shaped groove 10, the positioning bolt 9 is threadedly connected with the baffle plate 8, and corresponds to the V-shaped groove 10; the drilling template 2 is fixedly connected on the top of the support 3, and the drilling template 2 There is a drill sleeve 11 on it.

Specifically, the base 1 can be set in a rectangular plate shape, the bottom of the base 1 is provided with a positioning groove 12, and the base 1 is also provided with a bolt hole 13, which is installed on the drilling machine through the positioning groove 12 and the bolt; the V-shaped groove 10 at the top of the support 5 is used for In order to support the workpiece 14, the part of the pressing member 4 located above the rectangular groove is used for pressing the workpiece 14, the pressing member 4 is preferably arranged to be perpendicular to the length direction of the V-shaped groove 10, and the supporting member 5 is used to provide a fulcrum for the pressing member 4. , by rotating the eccentric wheel 6, the end of the pressing member 4 hinged with the eccentric wheel 6 is lifted, and the end of the pressing member 4 located above the rectangular groove is lowered to realize the pressing of the workpiece 14; the positioning bolt 9 and the V-shaped groove 10 It is parallel to the end of the workpiece 14 in the positioning groove 12, and the workpiece 14 is axially limited by rotating the positioning bolt 9; the drill template 2 and the support 3 are detachably connected by bolts, and the drill sleeve 11 and the drill template 2 Removable connection, the drill sleeve 11 is provided with a drill bit hole 15 for positioning the drilling position of the workpiece 14, the drill bit passes through the drill bit hole 15 to drill the workpiece 14, and the drill sleeve 11 can be set to a plurality of different diameters. , the replacement of the drill sleeve 11 can be adapted to drill bits of different specifications, which is convenient for drilling holes of different sizes on the workpiece 14 .

In some embodiments, the top of the base 1 is located below the eccentric wheel 6 and is threadedly connected with a support bolt 16 , and the support member 5 is connected with the support 3 through threads. By adjusting the height of the support bolt 16 by rotation, and by adjusting the height of the support member 5 by rotation, the workpieces 14 of different diameters can be adapted.

In some embodiments, a handle 17 is provided on the eccentric wheel 6 to facilitate the manual rotation of the eccentric wheel 6 .

In some embodiments, there are two drill templates 2, which are respectively disposed on both sides of the pressing member 4 along the length direction of the V-shaped groove 10. The two drill templates 2 can be respectively installed with drill sleeves 11 with different diameters, and can also be installed with drill sleeves 11 with different diameters. The same drill sleeve 11.

When the drilling jig in this embodiment is used, the support bolts 16 and the support members 5 are roughly adjusted according to the size of the workpiece 14 to be drilled, then the workpiece 14 is placed in the V-shaped groove 10, and the positioning bolt 9 is adjusted so that the The workpiece 14 is in contact with the positioning bolt 9, and the eccentric wheel 6 is rotated to make the pressing member 4 press the workpiece 14. After the workpiece 14 is pressed, the drill bit is moved to pass through the drill sleeve 11 to drill the workpiece 14.

Claims (4)

1. A drilling clamp is characterized by comprising a base, a clamping structure, a limiting structure and a drilling template, wherein a support is arranged at the top of the base, and a rectangular groove is formed in the top of the support; the clamping structure comprises a pressing piece, a supporting piece and an eccentric wheel, one end of the pressing piece is hinged with the eccentric wheel, the middle part of the pressing piece is hinged with the supporting piece, the supporting piece is connected to the top of the support, and the other end of the pressing piece is positioned above the rectangular groove; the limiting structure comprises a supporting block, a baffle and a positioning bolt, the supporting block is arranged in the rectangular groove, a V-shaped groove is formed in the top of the supporting block, the baffle is fixedly connected to one side of the base along the length direction of the V-shaped groove, and the positioning bolt is in threaded connection with the baffle and corresponds to the V-shaped groove; the drill plate is fixedly connected to the top of the support, and a drill bushing is arranged on the drill plate.

2. The drill jig of claim 1, wherein the base top is threadedly connected to a support bolt below the eccentric, and the support is threadedly connected to the support.

3. The drill jig of claim 1 wherein the eccentric is provided with a handle.

4. The drilling jig of claim 1, wherein the number of the drill jig plates is two, and the two drill jig plates are respectively arranged on two sides of the pressing piece in the length direction of the V-shaped groove.

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