CN210702718U - a drilling jig - Google Patents

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

a drilling jig

technical field

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

Background technique

When drilling in the prior art, the workpiece to be processed is first mounted on the fixture, and the drill bit is aligned with the drill sleeve on the drill template to drill. When the workpiece needs to be drilled on different sides, the workpiece needs to be disassembled. , reposition, and then align the drill bit with the position to be drilled for processing; and if the machined hole needs to be tapped, the workpiece needs to be removed and re-installed on another fixture to position the workpiece. The fixture with this structure has the following problems: the workpiece needs to be disassembled and assembled repeatedly when drilling multi-sided holes and processing threaded holes, which is cumbersome to use, increases the labor intensity of workers, and reduces work efficiency.

Utility model content

The purpose of the present utility model is to provide a drilling jig, which can solve the above-mentioned problems in the prior art, can realize multi-side drilling, can accurately clamp the product, has good positioning effect and high working efficiency.

In order to achieve the above purpose, the utility model provides the following solutions: the utility model provides a drilling fixture, including a base plate, a bracket, a clamping body, a plurality of positioning columns and a drilling template, and the drilling fixture is fixed on the drilling machine through the base plate to work. On the table, the drill template is provided with a plurality of drill sleeves, the clamp body is mounted on the bracket and is rotatable relative to the bracket, and the rotation axis of the clamp body is horizontally arranged; a plurality of the positioning The columns are symmetrically distributed in the circumferential direction of the clamping body, one end of the positioning column is threadedly connected with the bracket, and the other end is provided with a pressing plate.

Preferably, a positioning block is provided on the center line of the bottom plate on the same side as the workpiece to be drilled, a positioning hole for accommodating the positioning block is formed on the bottom plate, and the positioning block protrudes upward from the bottom plate.

Preferably, the drill template is rotatably mounted on the top end of the bracket, and the rotation axis of the drill template is horizontally arranged and perpendicular to the rotation axis of the clamp body.

Preferably, the top end of the bracket is provided with a bolt seat, and the drill template is connected with the bolt seat by bolts.

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

Preferably, a plurality of sets of bolt holes are symmetrically arranged on the bracket in the circumferential direction of the clamp body, and the positioning column selects bolt holes at different positions for fixing according to the size of the workpiece to be drilled.

Preferably, a reinforcing rib is provided between the bracket and the bottom plate.

The utility model has achieved the following technical effects with respect to the prior art:

In the drilling fixture of the utility model, a rotating shaft is installed on the bracket, and the clamping body is connected with the rotating shaft. Different clamping bodies can be replaced according to the shape of different workpieces. The rotating shaft is driven by a motor to drive the clamping body to rotate, and the rotation can be precisely controlled angle for easy positioning.

The drilling jig is provided with a pressure plate and a positioning column, and the positioning column is threadedly connected to the bracket. On the one hand, the length of the positioning column on the bracket can be adjusted; on the other hand, the positioning column can also be connected with threaded holes at different positions on the bracket. The adjustment method can realize the clamping of workpieces of different specifications, so that the product can be clamped on the fixture more accurately, and it is convenient for the staff to punch holes on the product in the later stage.

When the positioning blocks are accommodated in some of the positioning holes, by placing different positioning blocks in the positioning holes, the drilling jig can locate different workpieces to be processed, further increasing the scope of application of the drilling jig; The positioning of the workpiece to be processed is more accurate and stable.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only of the present invention. For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the overall structure schematic diagram of drilling fixture;

Figure 2 is a side view of a drilling fixture;

Figure 3 is a schematic diagram of the arrangement of the positioning block and the positioning hole;

Figure 4 is a layout diagram of the positioning column;

Among them, 1 base plate; 2 bracket; 3 drilling template; 4 clamping body; 5 positioning block; 6 positioning column; 7 drilling sleeve; 8 reinforcing rib; 9 bolt seat; 10 bolt; ; 14 pressure plate; 15 nuts; 16 threaded holes.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The purpose of the present utility model is to provide a drilling jig, which can solve the above-mentioned problems in the prior art, can realize multi-side drilling, can accurately clamp the product, has good positioning effect and high working efficiency.

In order to make the above objects, features and advantages of the present utility model more clearly understood, the present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.

As shown in Figures 1-4, the present utility model provides a drilling fixture, including a base plate 1, a bracket 2, a clamping body 4, a plurality of positioning columns 6 and a drilling template 3, and the drilling fixture is fixed on the drilling machine workbench through the base plate 1 On the top, the drill template 3 is provided with a plurality of drill sleeves 7, the clamping body 4 is installed on the bracket 2 and is rotatable relative to the bracket 2, and the rotation axis 12 of the clamping body 4 is arranged horizontally; a plurality of positioning columns 6 are symmetrically distributed in In the circumferential direction of the clamp body 4 , one end of the positioning column 6 is screwed with the bracket 2 , and the other end is mounted with a pressure plate 14 , and the pressure plate 14 is limited by a nut 15 .

A positioning block 5 is provided on the center line of the bottom plate 1 on the same side as the workpiece to be drilled. The bottom plate 1 is provided with a positioning hole 13 for accommodating the positioning block 5 , and the positioning block 5 protrudes upward from the bottom plate 1 . The positioning block 5 includes two sets of side surfaces, one of which is an arc surface with opposite sides, and the other is a flat surface; the positioning block 5 is partially accommodated in the positioning hole 13 . According to the actual situation, 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 all arc surfaces, or all planes, or part of the arc and part of the plane. ; For example, three of the sides are arc surfaces, and the other side is flat, etc. The positioning holes 13 can also be located at other positions of the bracket 2 , for example, near the edge of the bracket 2 . The positioning block 5 can be matched with the positioning hole 13 , that is, the positioning block 5 and the positioning hole 13 have the same shape and size.

The drilling template 3 can be rotatably installed on the top of the bracket 2, and the rotation axis 12 of the drilling template 3 is arranged horizontally, and is perpendicular to the rotation axis 12 of the clamping body 4; the top of the bracket 2 is provided with a bolt seat 9, and the drilling template 3 passes through The bolt 10 is connected to the bolt seat 9 . When the workpiece is connected with the clamp body 4, the drill bit can be processed from the top of the workpiece through the positioning of the drill sleeve 7 on the drill template 3. When the hole on one side is processed, the clamp body 4 is rotated to drive the workpiece to rotate to the other desired position. The side surface to be processed is then drilled; the drilling template 3 is installed on the upper end of the bracket 2 to guide the drill bit to drill down. After drilling, since the drilling template 3 can be rotated, the drilling template 3 is turned over to the other side of the bracket 2. On one side, tap the already drilled hole.

The drill template 3 is connected with the bolt seat 9 by bolts 10. The drill template 3 is provided with a drill sleeve 7. According to the drilling requirements of different workpieces, different drill templates 3 are selected. , the drilling template 3 can be turned over by loosening the bolt 10, which is convenient for tapping the drilled hole.

A rotating shaft 12 is installed on the support 2 , one end of the rotating shaft 12 is connected with the driving motor 11 fixed on the support 2 , and the other end is connected with the clamping body 4 . The clamping body 4 is connected with the rotating shaft 12, and different clamping bodies 4 can be replaced according to the shape of different workpieces. The rotating shaft 12 is driven by a motor to drive the clamping body 4 to rotate, which can precisely control the rotation angle and facilitate positioning.

A plurality of sets of bolts 10 holes are symmetrically arranged on the bracket 2 in the circumferential direction of the clamping body 4, and the positioning column 6 selects bolts 10 holes at different positions for fixing according to the size of the workpiece to be drilled. The positioning column 6 is threadedly connected with the bracket 2. On the one hand, the length of the positioning column 6 on the bracket 2 can be adjusted; on the other hand, the positioning column 6 can also be connected with the threaded holes 16 at different positions on the bracket 2. Realize the clamping of workpieces of different specifications, so that the product can be clamped on the fixture more accurately, and it is convenient for the staff to punch holes on the product in the later stage.

A reinforcing rib 8 is provided between the bracket 2 and the bottom plate 1 to prevent the relative deformation between the bracket 2 and the bottom plate 1 caused by the force of the drill bit from top to bottom during the processing.

The principles and implementations of the present utility model are described with specific examples in the present utility model, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present utility model; meanwhile, for those skilled in the art , according to the idea of the present utility model, there will be changes in the specific implementation and application scope. In conclusion, the content of this specification should not be construed as a limitation on the present invention.

Claims (7)

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.

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