CN212496539U - Drilling tool with multidirectional bolt hole workpiece - Google Patents

Abstract

The utility model discloses a drilling tool with multi-direction bolt hole workpieces, which comprises a base, a support, a fixture body, a positioning shaft, a plurality of limiting seats and a plurality of turning drill plates, wherein the base is fixed on a workbench, the support is fixed on the base, the positioning shaft is fixed on the fixture body and is rotationally connected with the support, and a locking nut corresponding to the support is arranged at the end part of the positioning shaft; the limiting seat and a workpiece to be machined are fixed on the fixture body, the turnover drilling jig plates lean against the workpiece, one end of each turnover drilling jig plate is rotatably connected with one limiting seat, and the turnover drilling jig plates are provided with drilling sleeves corresponding to bolt holes to be machined in the workpiece. The utility model discloses fix the work piece on rotatable anchor clamps body, make each drilling face of work piece rotate horizontal position in proper order through the rotatory anchor clamps body to realize the quick processing of multiunit bolt hole. The tool has the advantages of convenience and rapidness in operation, high positioning precision and the like, and can improve the machining precision and the working efficiency of the drilling machine.

Description

Drilling tool with multidirectional bolt hole workpiece

Technical Field

The utility model relates to a drilling frock is applicable to the work piece that has a plurality of not equidirectional bolt holes, belongs to metal processing technology field.

Background

At present, when a drilling machine is used for drilling and machining a workpiece, the workpiece is accurately clamped on a clamp, and the clamping precision directly influences the machining precision. When a traditional drilling machine clamp clamps a workpiece, the positions of all holes are generally determined by a scribing method, and then the workpiece is pressed tightly by a movable pressing plate. The clamp is complex in operation and low in clamping efficiency, and the position precision of a workpiece and the positioning precision of a hole are difficult to guarantee, so that the machining precision of a drilling machine is influenced. For the above reasons, the conventional drill jig is only applicable to plates or workpieces having a simple structure. For some workpieces with complex structures, two or more bolt holes in different directions often exist on the workpiece, for example, two groups of bolt holes are arranged on a left traction plate and a right traction plate shown in fig. 1, the first group of bolt holes 17 on a plane a and the second group of bolt holes 18 on a plane B have different directions, after a group of bolt holes in the same direction are machined, the workpiece needs to be rotated by a certain angle, another group of bolt holes can be machined after re-clamping, more time can be wasted when the workpiece is clamped for many times, and the working efficiency of the drilling machine is greatly reduced. Therefore, it is necessary to design a drilling tool suitable for workpieces with bolt holes in different directions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the drawback of prior art, provide a drilling frock with multi-direction bolt hole work piece to improve the machining precision and the work efficiency of drilling machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a drilling tool with a multi-direction bolt hole workpiece comprises a base, a support, a fixture body, a positioning shaft, a plurality of limiting seats and a plurality of turning drill templates, wherein the base is fixed on a workbench of a drilling machine, the support is fixed on the base, the positioning shaft is fixed on the fixture body and is rotatably connected with the support, and a locking nut corresponding to the support is arranged at the end part of the positioning shaft; the limiting seat and a workpiece to be machined are fixed on the fixture body, the turnover drilling jig plates lean against the workpiece, one end of each turnover drilling jig plate is rotatably connected with one limiting seat, and the turnover drilling jig plates are provided with drilling sleeves corresponding to bolt holes to be machined in the workpiece.

According to the drilling tool with the multidirectional bolt hole workpiece, the fixture body is provided with the positioning surfaces corresponding to each group of bolt holes of the workpiece, and the base is provided with the positioning supports corresponding to each positioning surface on the fixture body.

According to the drilling tool with the multidirectional bolt hole workpiece, the workpiece to be machined is leaned against the side parts of the limiting seats, the workpiece and the overturning drill plate are fixed through the pressing plates, and each pressing plate is pressed on the workpiece or the overturning drill plate and is fixedly connected with the clamp body through the bolt.

According to the drilling tool with the multi-direction bolt hole workpiece, the positioning shaft is inserted into the shaft hole in the support, and the lining is arranged on the inner wall of the shaft hole in the support.

Above-mentioned drilling frock with multi-direction bolt hole work piece, location axle and support all set up two, and two location axles are coaxial and the symmetry is installed in the specific both sides of anchor clamps each other, and every location axle rotates with a support to be connected, still is equipped with two-way thrust ball bearing between the anchor clamps body and every support.

Above-mentioned drilling frock that has multi-direction bolt hole work piece, locking handle is installed to one side of lock nut.

The drilling tool with the multidirectional bolt hole workpiece is characterized in that the clamp body is provided with a handle.

The drilling tool with the multidirectional bolt hole workpiece is characterized in that the limiting seat is connected with the clamp body through the positioning pin and the stud.

The utility model discloses fix the work piece on rotatable anchor clamps body, make each drilling face of work piece rotate horizontal position in proper order through the rotatory anchor clamps body to realize the quick processing of multiunit bolt hole. The tool has the advantages of convenience and rapidness in operation, high positioning precision and the like, can improve the machining precision and the working efficiency of the drilling machine, and is suitable for machining complex workpieces.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of a workpiece (left and right pulling plates), wherein FIG. 1 (b) is a front view of the workpiece, FIG. 1 (a) is a right side view of the workpiece, and FIG. 1 (c) is a top view of the workpiece;

fig. 2 is a schematic structural diagram of the present invention;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a schematic view of the support structure of the present invention;

fig. 5 is a schematic view of clamping a workpiece.

The reference numbers in the figures are: 1. a base; 2. a support; 3. positioning the shaft; 4. a bushing; 5. a bidirectional thrust ball bearing; 6. a clamp body; 7. pressing a plate; 8. a handle; 9. a limiting seat; 10. turning over the drill plate; 11. a link plate; 12. positioning pins; 13. a stud bolt; 14. positioning and supporting; 15. locking the handle; 16. locking the nut; 17. a first set of bolt holes; 18. a second set of bolt holes; 19. and (5) a workpiece.

Detailed Description

The utility model provides a drilling frock with multi-direction bolt hole work piece has thoroughly solved the work piece and need relapse the location problem in clamping and the plane upper hole, has improved the processingquality of work piece and the work efficiency of drilling machine.

Referring to fig. 2-5, the utility model mainly comprises a base 1, a support 2, a positioning shaft 3, a bidirectional thrust ball bearing 5, a clamp body 6, a limiting seat 9, a turning drill plate 10, a pressing plate 7 and the like. The base 1 and the support 2 are fixedly connected to form a clamp supporting body, the base 1 is installed on the vertical rotary workbench through bolts, and the support 2 is installed on the base 1 through bolts. The anchor clamps body 6 and location axle 3 fixed connection, during location axle 3 inserts the shaft hole on the support 2, the shaft hole inner wall is equipped with bush 4, and location axle 3 can be in bush 4 free rotation. Location axle 3 and support 2 all set up two, and two location axles 3 are coaxial and the symmetry is installed in the both sides of the anchor clamps body 6 each other, and every location axle 3 corresponds a support 2, still is equipped with two-way thrust ball bearing 5 between the anchor clamps body 6 and every support 2, guarantees that the anchor clamps body 6 can be around 3 free rotations of location axle. The overturning jig plate 10, the limiting seat 9, the pressing plate 7 and the like are arranged on the clamp body 6. The fixture body 6 is provided with a screw hole matched with the limiting seat 9, and a positioning pin 12 is arranged for determining the position of the limiting seat 9. The overturning jig plate 10 is rotatably connected with the limiting seat 9 through a rotating shaft, so that the position of the overturning jig plate 10 is fixed. A lock nut 16 is mounted on one end of the positioning shaft 3, and a lock handle 15 is mounted on the lock nut 16. The positioning support 14 is mounted on the base 1.

It should be noted that the positioning shaft 3 should be installed horizontally, and when the workpiece is fixed on the fixture body 6, the axes of the bolt holes to be processed in each group must be perpendicular to the axis of the positioning shaft 3, otherwise, the drilling surfaces (the planes of the bolt holes) cannot be rotated to the horizontal position by rotating the fixture body 6.

Utilize the utility model discloses during processing work piece, earlier be connected base 1 and drilling machine. When the C positioning surface on the clamp body 6 is rotated to the positioning support 14, namely to the processing position (at the moment, the plane where the group of bolt holes are located just rotates to the horizontal position), the locking handle 15 is rotated, and the clamp body 6 is locked through the locking nut 16. The workpiece (left and right traction plates) is positioned by the side surface of the limiting seat 9 and respectively fixed at the left and right ends of the clamp body 6, and the workpiece is pressed by the pressing plate 7. After the workpiece is clamped, the overturning drill plate 10 is put down, the overturning drill plate is rotated to the positioning surface of the limiting seat 9, the overturning drill plate is pressed tightly by a pressing plate to prevent the overturning drill plate from rotating, and then the bolt hole on the surface can be machined. After the bolt holes on the surface are machined, the clamp body 6 is loosened by rotating the locking handle 15, the handle 8 is pulled to rotate the clamp body 6, when the positioning surface D rotates to the positioning support 14 (at the moment, the plane where the other group of bolt holes are located just rotates to the horizontal position), the locking handle 15 is rotated to lock the clamp body 6, and the bolt holes on the surface are machined. And after the machining is finished, the workpiece is unloaded to machine other workpieces.

The utility model discloses regard as the specific location benchmark of anchor clamps with locating surface and location supporting, utilize spacing seat to restrict the work piece, fix work piece and upset bushing plate through the clamp plate, process the hole of each face through the rotatory anchor clamps body. The method has the advantages of simple operation, high positioning precision, high speed, short processing period and the like. If the production line is put into production, the production efficiency can be improved, the labor intensity of workers is reduced, secondary survival can be avoided, and the product quality is ensured. The fixture has the advantages of simple structure, convenient operation, easy workpiece assembly and disassembly, easy manufacture and the like, and is widely applicable to the processing of similar workpieces.

Claims (8)

1. A drilling tool with a multi-direction bolt hole workpiece is characterized by comprising a base (1), a support (2), a clamp body (6), a positioning shaft (3), a plurality of limiting seats (9) and a plurality of turning drill templates (10), wherein the base (1) is fixed on a workbench of a drilling machine, the support (2) is fixed on the base (1), the positioning shaft (3) is fixed on the clamp body (6) and is rotatably connected with the support (2), and a locking nut (16) corresponding to the support (2) is arranged at the end part of the positioning shaft (3); the limiting seat (9) and a workpiece (19) to be machined are fixed on the fixture body (6), the turnover drilling jig plates (10) lean against the workpiece (19), one end of each turnover drilling jig plate (10) is rotatably connected with one limiting seat (9), and drill sleeves corresponding to bolt holes to be machined in the workpiece are arranged on the turnover drilling jig plates (10).

2. The tool for drilling the workpiece with the multidirectional bolt holes is characterized in that the clamp body (6) is provided with a positioning surface corresponding to each group of bolt holes of the workpiece (19), and the base (1) is provided with a positioning support (14) corresponding to each positioning surface on the clamp body (6).

3. The drilling tool for the workpiece with the multidirectional bolt holes as in the claim 1 or 2, wherein the workpiece (19) to be machined is abutted against the side portions of the limiting seats (9), the workpiece (19) and the overturning jig plate (10) are fixed through a plurality of pressing plates (7), and each pressing plate (7) presses on the workpiece (19) or the overturning jig plate (10) and is fixedly connected with the clamp body (6) through a bolt.

4. The tool for drilling the workpiece with the multidirectional bolt holes is characterized in that the positioning shaft (3) is inserted into a shaft hole in the support (2), and a lining (4) is arranged on the inner wall of the shaft hole of the support (2).

5. The drilling tool for the workpiece with the multidirectional bolt holes as claimed in claim 4, wherein two positioning shafts (3) and two supports (2) are arranged, the two positioning shafts (3) are coaxial with each other and are symmetrically arranged on two sides of the fixture body (6), each positioning shaft (3) is rotatably connected with one support (2), and a bidirectional thrust ball bearing (5) is arranged between the fixture body (6) and each support (2).

6. The tool for drilling the workpiece with the multidirectional bolt holes as in claim 5, wherein a locking handle (15) is mounted on one side of the locking nut (16).

7. The tool for drilling the workpiece with the multidirectional bolt holes is characterized in that a handle (8) is arranged on the clamp body (6).

8. The tool for drilling the workpiece with the multidirectional bolt holes is characterized in that the limiting seat (9) is connected with the clamp body (6) through a positioning pin (12) and a stud bolt (13).

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