CN210702718U

CN210702718U - Drilling clamp

Info

Publication number: CN210702718U
Application number: CN201921770625.0U
Authority: CN
Inventors: 邢彬彬; 付常宝; 王丹阳; 汪立娜; 葛振强; 咸仁龙; 王利鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-06-09
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a drilling clamp, which comprises a bottom plate, a support, a clamp body, a plurality of positioning columns and a drill plate, wherein the drilling clamp is fixed on a drilling machine workbench through the bottom plate; the positioning columns are symmetrically distributed on the circumferential direction of the clamp body, one ends of the positioning columns are in threaded connection with the support, and the other ends of the positioning columns are provided with pressing plates. The utility model discloses a boring grab can realize the drilling of many sides, can accurate centre gripping product, location effectual, work efficiency high.

Description

Drilling clamp

Technical Field

The utility model relates to a frock clamp technical field especially relates to a boring grab.

Background

In the prior art, when drilling, a workpiece to be processed is firstly arranged on a clamp, a drill bit is aligned to a drill bushing on a drill plate to drill, when the workpiece needs to drill different side surfaces, the workpiece needs to be detached and repositioned, and then the drill bit is aligned to the position of the drill hole to be drilled to process; and if the machined hole needs to be tapped, the workpiece needs to be detached and remounted on another clamp to position the workpiece. The clamp adopting such a structure has the following problems: when the multi-side drilling and the machining of the threaded hole are carried out, the workpiece needs to be repeatedly disassembled and assembled, the use is complicated, the labor intensity of workers is increased, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a boring grab to solve the problem that above-mentioned prior art exists, can realize the drilling of multi-side, can accurate centre gripping product, location effectual, work efficiency height.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a drilling clamp, which comprises a bottom plate, a support, a clamp body, a plurality of positioning columns and a drill plate, wherein the drilling clamp is fixed on a drilling machine workbench through the bottom plate; the positioning columns are symmetrically distributed on the circumferential direction of the clamp body, one ends of the positioning columns are in threaded connection with the support, and the other ends of the positioning columns are provided with pressing plates.

Preferably, a positioning block is arranged on the central line of the bottom plate at the same side of the workpiece to be drilled, a positioning hole for accommodating the positioning block is formed in the bottom plate, and the positioning block protrudes upwards from the bottom plate.

Preferably, the drilling template is rotatably mounted at the top end of the bracket, and the rotation axis of the drilling template is horizontally arranged and is perpendicular to the rotation axis of the fixture body.

Preferably, the top end of the support is provided with a bolt seat, and the drilling template is connected with the bolt seat through a bolt.

Preferably, a rotating shaft is installed on the support, one end of the rotating shaft is connected with a driving motor fixed on the support, and the other end of the rotating shaft is connected with the clamp body.

Preferably, the bracket is provided with a plurality of groups of bolt holes in circumferential symmetry at the clamp body, and the positioning columns select bolt holes at different positions to fix according to the size of a workpiece to be drilled.

Preferably, a reinforcing rib is arranged between the support and the bottom plate.

The utility model discloses for prior art gain following technological effect:

the utility model provides a boring grab installs the axis of rotation on the support, and the anchor clamps body and rotation axis connection can change different anchor clamps bodies according to the shape of different work pieces, and with the motor drive axis of rotation, the drive anchor clamps body rotates, can accurate control pivoted angle, convenient location.

The drilling fixture is provided with a pressing plate and a positioning column, the positioning column is in threaded connection with the support, and on one hand, the length of the positioning column on the support can be adjusted; on the other hand, the reference column can also be connected with the screw hole of the different positions on the support, and two kinds of adjustment modes can realize pressing from both sides tightly the work piece of different specifications, make the product can more accurately be by the centre gripping on anchor clamps, make things convenient for later stage staff to punch the operation on the product.

When the positioning block is accommodated in part of the positioning hole, different positioning blocks are placed in the positioning hole, so that the drilling clamp can position different workpieces to be machined, and the application range of the drilling clamp is further enlarged; the positioning blocks can make the positioning of the workpiece to be processed more accurate and stable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a drill jig;

FIG. 2 is a side view of the drill jig;

FIG. 3 is a schematic view of the arrangement of the positioning block and the positioning hole;

FIG. 4 is a view of positioning post placement;

wherein, 1, a bottom plate; 2, a bracket; 3, drilling a template; 4, a clamp body; 5, positioning a block; 6, positioning columns; 7, drilling a sleeve; 8, reinforcing ribs; 9 a bolt seat; 10, bolts; 11 driving a motor; 12 rotating the shaft; 13, positioning holes; 14, pressing a plate; 15 a nut; 16 threaded holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1-4, the utility model provides a drilling jig, which comprises a bottom plate 1, a support 2, a jig body 4, a plurality of positioning columns 6 and a drill plate 3, wherein the drilling jig is fixed on a drilling machine workbench through the bottom plate 1, a plurality of drill bushings 7 are arranged in the drill plate 3, the jig body 4 is arranged on the support 2 and can rotate relative to the support 2, and the rotating axis 12 of the jig body 4 is arranged horizontally; a plurality of reference columns 6 symmetric distribution are in the circumference of anchor clamps body 4, and the one end and the 2 threaded connection of support of reference column 6, and clamp plate 14 is installed to the other end to carry on spacingly through nut 15 to clamp plate 14.

A positioning block 5 is arranged on the central line of the bottom plate 1 at the same side of the workpiece to be drilled, a positioning hole 13 for accommodating the positioning block 5 is formed in the bottom plate 1, and the positioning block 5 protrudes upwards from the bottom plate 1. The positioning block 5 comprises two groups of side surfaces, wherein one group of opposite side surfaces is an arc surface, the direction of the arc surface is opposite, and the other group of opposite side surfaces is a plane; the positioning block 5 is partially accommodated in the positioning hole 13. According to actual conditions, the positioning block 5 may include multiple sets of side surfaces, that is, the positioning block 5 is an irregular polygon, and the side surfaces of the positioning block 5 may be both arc surfaces, or both planes, or a part of the side surfaces may be arc surfaces and a part of the side surfaces may be planes; if three of the side surfaces are cambered surfaces, the other side surface is a plane, and the like. The positioning hole 13 may also be located at other positions of the bracket 2, such as near the edge of the bracket 2. The positioning block 5 can be matched with the positioning hole 13, i.e. the positioning block 5 and the positioning hole 13 have the same shape and size.

The drilling template 3 is rotatably arranged at the top end of the bracket 2, and the rotating shaft 12 line of the drilling template 3 is horizontally arranged and is vertical to the rotating shaft 12 line of the clamp body 4; the top end of the bracket 2 is provided with a bolt seat 9, and the drill plate 3 is connected with the bolt seat 9 through a bolt 10. After the workpiece is connected with the clamp body 4, the drill bit can be positioned from the upper part of the workpiece through the drill bushing 7 on the drill plate 3 for processing, after the hole processing of one side surface is finished, the clamp body 4 is rotated to drive the workpiece to rotate to the other side surface to be processed, and then the hole drilling is carried out; the drill jig plate 3 is arranged at the upper end of the support 2 and used for guiding the drill bit to drill downwards, and after drilling is finished, the drill jig plate 3 can be turned to the other side of the support 2 due to the fact that the drill jig plate 3 can rotate, and holes which are drilled are tapped.

The drilling template 3 is connected with the bolt seat 9 through the bolt 10, the drilling sleeve 7 is arranged on the drilling template 3, different drilling templates 3 are selected according to the drilling requirements of different workpieces, the drilling template can be replaced by disassembling the bolt 10, the drilling template 3 can be turned over by loosening the bolt 10 in the machining process, and the drilled holes can be tapped conveniently.

The support 2 is provided with a rotating shaft 12, one end of the rotating shaft 12 is connected with a driving motor 11 fixed on the support 2, and the other end of the rotating shaft 12 is connected with the clamp body 4. The fixture body 4 is connected with the rotating shaft 12, different fixture bodies 4 can be replaced according to the shapes of different workpieces, the rotating shaft 12 is driven by the motor, the fixture bodies 4 are driven to rotate, the rotating angle can be accurately controlled, and positioning is convenient.

A plurality of groups of bolt 10 holes are symmetrically formed in the support 2 in the circumferential direction of the clamp body 4, and the positioning columns 6 select the bolt 10 holes in different positions to be fixed according to the size of a workpiece to be drilled. The positioning column 6 is in threaded connection with the support 2, and on one hand, the length of the positioning column 6 on the support 2 can be adjusted; on the other hand, reference column 6 can also be connected with the screw hole 16 of the different positions on support 2, and two kinds of regulation modes can realize pressing from both sides tightly the work piece of different specifications, make the product can more accurately be by the centre gripping on anchor clamps, make things convenient for later stage staff to punch the operation on the product.

And a reinforcing rib 8 is arranged between the bracket 2 and the bottom plate 1 to prevent the bracket 2 and the bottom plate 1 from being relatively deformed due to the action force of the drill from top to bottom in the machining process.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A boring grab, its characterized in that: the drilling fixture is fixed on a drilling machine workbench through the bottom plate, a plurality of drill bushings are arranged in the drill plate, the fixture body is mounted on the support and can rotate relative to the support, and the rotating axis of the fixture body is horizontally arranged; the positioning columns are symmetrically distributed on the circumferential direction of the clamp body, one ends of the positioning columns are in threaded connection with the support, and the other ends of the positioning columns are provided with pressing plates.

2. The drilling jig of claim 1, wherein: and a positioning block is arranged on the central line of the bottom plate at the same side of the workpiece to be drilled, a positioning hole for accommodating the positioning block is formed in the bottom plate, and the positioning block protrudes upwards from the bottom plate.

3. The drilling jig of claim 1, wherein: the drilling template is rotatably arranged at the top end of the support, and the rotating axis of the drilling template is horizontally arranged and is perpendicular to the rotating axis of the clamp body.

4. The drilling jig of claim 3, wherein: the top end of the support is provided with a bolt seat, and the drill plate is connected with the bolt seat through a bolt.

5. The drilling jig of claim 1, wherein: the support is provided with a rotating shaft, one end of the rotating shaft is connected with a driving motor fixed on the support, and the other end of the rotating shaft is connected with the clamp body.

6. The drilling jig of claim 1, wherein: the support is located the specific circumference symmetry of anchor clamps has seted up multiunit bolt hole, the reference column selects the bolt hole of different positions to fix according to the size of waiting to drill the work piece.

7. The drilling jig of claim 1, wherein: and a reinforcing rib is arranged between the support and the bottom plate.