CN216859023U

CN216859023U - Drill jig

Info

Publication number: CN216859023U
Application number: CN202220523169.5U
Authority: CN
Inventors: 何文刚
Original assignee: Jiangyin Hegang Machinery Co ltd
Current assignee: Jiangyin Hegang Machinery Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-07-01
Anticipated expiration: 2032-03-10

Abstract

The utility model belongs to the technical field of the drilling machine technique and specifically relates to a drilling machine anchor clamps is related to, it includes the drilling machine body, be connected with the reference column on the drilling machine body, the lateral wall of reference column offsets with the inner circle of annular work piece, the axial height of reference column is not less than the axial height that two annular work pieces are coaxial to be stacked, the reference column is kept away from the one end of drilling machine body can be dismantled and be connected with the limiting plate, on the horizontal direction the edge of limiting plate exceedes the edge of reference column, the limiting plate orientation the lateral wall and the annular work piece of reference column are kept away from the lateral wall of drilling machine body offsets, and this application has the effect that improves drilling efficiency.

Description

Drill jig

Technical Field

The application relates to the technical field of drilling machines, in particular to a drilling machine clamp.

Background

The drilling machine refers to a machine tool which mainly uses a drill bit to process holes on a workpiece, a drilling machine fixture is usually arranged on the drilling machine to fix the workpiece, so that the drilling precision is improved, and the milling machine fixture on the milling machine is a three-jaw chuck, so that the stability of the workpiece during drilling is improved.

The annular workpiece is provided with a circular, oval or symmetrical polygon inner ring section, when the axial side wall of the annular workpiece needs to be drilled, the annular workpiece is clamped by the three-jaw chuck for machining, but the three-jaw chuck can only clamp one workpiece at a time, so that the drilling efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to improve drilling efficiency, this application provides a drill jig.

The application provides a drilling jig adopts following technical scheme:

the utility model provides a drill jig, includes the drilling machine body, be connected with the reference column on the drilling machine body, the lateral wall of reference column offsets with the inner circle of annular work piece, the axial height of reference column is not less than the axial height that two annular work pieces are coaxial to be stacked, the reference column is kept away from the one end of drilling machine body can be dismantled and be connected with the limiting plate, in the horizontal direction the edge of limiting plate surpasses the edge of reference column, the limiting plate orientation the lateral wall of reference column is kept away from with annular work piece the lateral wall of drilling machine body offsets.

Through adopting above-mentioned technical scheme, stack the cover with the annular work piece more than two and establish on the reference column, then connect the limiting plate on the reference column for the limiting plate offsets with the lateral wall that the annular work piece kept away from the drilling machine body, presss from both sides the annular work piece tightly between rig floor and limiting plate, thereby when driling annular work piece, can be simultaneously to the annular work piece more than two processing of driling, thereby improved drilling efficiency.

Optionally, one end, away from the drilling machine body, of the positioning column is connected with a connecting column, a connecting hole is formed in the limiting plate and penetrates through the limiting plate, and the connecting column penetrates through the limiting plate and is in threaded connection with a limiting block.

By adopting the technical scheme, the annular workpiece is sleeved on the connecting column through the connecting hole at the limiting plate, and then the limiting block is rotated until the limiting plate is abutted against the annular workpiece, so that the limiting plate is abutted against the annular workpiece, and the annular workpiece is fixed.

Optionally, a notch is formed in the limiting plate, the notch is communicated with the connecting hole, and the connecting column is in sliding fit with the notch.

Through adopting above-mentioned technical scheme, through the sliding fit of opening and connecting rod for spliced pole through connection piece, thereby the stopper need not be taken off from the connecting rod, has reduced the possibility that the stopper loses, the connection of the limiting plate of being convenient for.

Optionally, the limiting plate is connected with a handle.

Through adopting above-mentioned technical scheme, the operator of being convenient for of setting up of handle removes the limiting plate.

Optionally, the reference column includes first cylinder and second cylinder, first cylinder with second cylinder mirror symmetry sets up, and its symmetry axis does longest symmetry axis on the reference column cross-section, first cylinder with the drilling machine body is followed the endwise slip of reference column connects, the second cylinder with drilling machine body fixed connection, the spliced pole is connected on the first cylinder.

Through adopting above-mentioned technical scheme, along the first cylinder of axial displacement of reference column, relative movement takes place for first cylinder and second cylinder to the height of reference column in its axial has been prolonged, thereby be convenient for establish different quantity's annular work piece cover as required on the reference column, drilling efficiency has been improved.

Optionally, the first cylinder is provided with a guide strip along the axial direction of the positioning column, the second cylinder is provided with a guide groove corresponding to the guide strip, and the guide strip is located in the guide groove and slidably connected with the guide groove.

By adopting the technical scheme, the sliding fit of the guide strip and the guide groove provides guide for the axial movement of the first column positioning column.

Optionally, the cross-sectional area of one end of the guide strip, which is far away from the first column, is larger than the cross-sectional area of one end of the guide strip, which is close to the first column.

By adopting the technical scheme, the phenomenon that the guide strip is separated from the thought in the horizontal direction is reduced.

Optionally, the workpiece support device further comprises a limiting rod, and the limiting rod penetrates through the hole position of the annular workpiece.

By adopting the technical scheme, after the annular workpiece is drilled at the first hole position, the limiting rod is inserted into the first hole position, and then the annular workpiece is drilled, so that the rotation of the annular workpiece is reduced, the stability of the annular workpiece is improved, and the accuracy of drilling the annular workpiece is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. more than two annular workpieces are overlapped and sleeved on the positioning column, then the limiting plate is connected to the positioning column, the limiting plate is abutted to the side wall, away from the drilling machine body, of the annular workpiece, the annular workpiece is clamped between the drilling platform and the limiting plate, and therefore when the annular workpiece is drilled, more than two annular workpieces can be drilled at the same time, and drilling efficiency is improved;

2. sleeving the annular workpiece on the limiting plate on the connecting column through the connecting hole, and then rotating the limiting block until the limiting plate is abutted against the annular workpiece, so that the limiting plate is abutted against the annular workpiece to fix the annular workpiece;

3. along the first cylinder of axial displacement of reference column, relative movement takes place for first cylinder and second cylinder to the height of reference column in its axial has been prolonged, thereby be convenient for establish annular work piece cover with different quantity as required on the reference column, drilling efficiency has been improved.

Drawings

FIG. 1 is a schematic view of an overall structure of a drill jig for embodying the embodiment 1;

fig. 2 is a schematic view for showing a positional relationship between the positioning columns and the limiting plates in embodiment 1;

fig. 3 is a schematic structural view of a limiting plate for embodying embodiment 1;

fig. 4 is a schematic view for embodying a positional relationship between the stopper rod and the stopper plate in embodiment 2;

fig. 5 is a schematic diagram illustrating a positional relationship between the first column and the second column in embodiment 2.

Description of reference numerals:

1. a drilling machine body; 2. mounting a plate; 3. a positioning column; 4. connecting columns; 5. a limiting plate; 6. opening the gap; 7. connecting holes; 8. a limiting block; 9. a handle; 10. a first column; 11. a second cylinder; 12. a guide strip; 13. a guide groove; 14. mounting grooves; 15. a lifting cylinder; 16. a limiting rod.

Detailed Description

The embodiment of the application discloses a drill jig.

Example 1

Referring to fig. 1, a drill jig comprises a drill body 1, wherein three mounting plates 2 are connected to the drill body 1 along the length direction of the drill body, positioning columns 3 are connected to the mounting plates 2, and the cross sections of the positioning columns 3 are circular.

Referring to fig. 1, the side wall of the positioning column 3 abuts against the inner ring of the annular workpiece, the axial height of the positioning column 3 is not less than the axial height of the two annular workpieces stacked coaxially, and the axial height of the positioning column 3 in this embodiment is the axial height of the three annular workpieces stacked coaxially.

Referring to fig. 2, the coaxial spread groove that is provided with of one end that drilling machine body 1 was kept away from to reference column 3, coaxial connection has spliced pole 4 on the reference column 3, and spliced pole 4 is located the spread groove, is provided with the screw thread on the spliced pole 4, can dismantle on the reference column 3 and be connected with limiting plate 5.

Refer to fig. 2 and 3, be provided with connecting hole 7 and opening 6 on the limiting plate 5, connecting hole 7 sets up with the limiting plate 5 is coaxial, opening 6 runs through a lateral wall of limiting plate 5, opening 6 and connecting hole 7 intercommunication, spliced pole 4 run through connecting hole 7 and opening 6 and with opening 6 sliding fit, spliced pole 4 passes the one end threaded connection of connecting hole 7 and has stopper 8, spliced pole 4 runs through stopper 8, stopper 8's cross-section is the hexagon, the edge of limiting column 5 exceeds the edge of reference column 3 on the horizontal direction, limiting plate 5 offsets towards the lateral wall that drilling machine body 1 was kept away from to the lateral wall of reference column 3 and annular work piece, be connected with handle 9 on the limiting plate 5.

The implementation principle of the embodiment 1 is as follows:

stack the cover with three annular work piece and establish on reference column 3, then hold handle 9 and remove limiting plate 5, spliced pole 4 moves to connecting hole 7 in along opening 6, then rotates limiting block 8 and supports tightly until limiting block 8 and limiting plate 5, and limiting plate 5 supports tightly with annular work piece to press from both sides annular work piece tightly between rig floor and limiting plate 5, thereby when driling annular work piece, can carry out drilling to a plurality of annular work pieces simultaneously, thereby improved drilling efficiency.

Example 2

Referring to fig. 4, the drill jig further comprises a limiting rod 16, and the limiting rod 16 penetrates through hole positions of the annular workpiece.

Referring to fig. 4 and 5, the positioning column 3 includes a first column 10 and a second column 11, the first column 10 and the second column 11 are symmetrically disposed on a mirror surface, the symmetry axis is the longest symmetry axis on the cross section of the positioning column 3, the cross sections of the first column 10 and the second column 11 are semicircular in this embodiment, the symmetry axes of the first column 10 and the second column 11 are the diameters of the positioning column 3, the first column 10 is connected with the drilling machine body 1 along the axial sliding direction of the positioning column 3, and the second column 11 is fixedly connected with the drilling machine body 1.

Referring to fig. 4 and 5, a mounting groove 14 is formed in a drilling machine body 1, the mounting groove 14 penetrates through a mounting plate 2, a lifting cylinder 15 is connected in the mounting groove 14, a piston rod of the lifting cylinder 15 is connected with a first cylinder 10, a guide strip 12 is connected to the first cylinder 10 along the axial direction of a positioning column 3, the guide strip 12 is integrally formed with the first cylinder 10, the cross-sectional area of one end, away from the first cylinder 10, of the guide strip 12 is larger than that of one end, close to the first cylinder 10, of the guide strip 12, the cross section of the guide strip 12 is in a dovetail shape in the embodiment, a guide groove 13 corresponding to the guide strip 12 is formed in a second cylinder 11, and the guide strip 12 is located in the guide groove 13 and is in sliding connection with the guide groove 13.

The implementation principle of the embodiment 2 is as follows:

start lift cylinder 15, lift cylinder 15 promotes first cylinder 10, and the gib block 12 removes along guide way 13, and relative displacement takes place along the axial of reference column 3 for first cylinder 10 and second cylinder 11 to prolonged reference column 3 at its ascending height in the axial, like this, can stack the cover with the annular work piece that a large amount of are more and establish on reference column 3, thereby improved drilling efficiency.

After the annular workpiece is drilled in the first hole position, the limiting rod 16 is inserted into the first hole position, and then the annular workpiece is drilled, so that the rotation of the annular workpiece is reduced, the stability of the annular workpiece is improved, and the accuracy of drilling the annular workpiece is improved.

Claims

1. A drill jig which characterized in that: including drilling machine body (1), be connected with reference column (3) on drilling machine body (1), the lateral wall of reference column (3) offsets with the inner circle of annular work piece, the axial height of reference column (3) is not less than the axial height that two annular work pieces were coaxial to be stacked, keep away from reference column (3) the one end of drilling machine body (1) can be dismantled and be connected with limiting plate (5), on the horizontal direction the edge of limiting plate (5) surpasss the edge of reference column (3), limiting plate (5) orientation the lateral wall and the annular work piece of reference column (3) are kept away from the lateral wall of drilling machine body (1) offsets.

2. The drill press fixture of claim 1, wherein: the positioning column (3) is far away from one end of the drilling machine body (1) is connected with a connecting column (4), a connecting hole (7) is formed in the limiting plate (5), the connecting hole (7) penetrates through the limiting plate (5), and the connecting column (4) penetrates through the limiting plate (5) and is connected with a limiting block (8) in a threaded mode.

3. The drill press fixture of claim 2, wherein: the limiting plate (5) is provided with a notch (6), the notch (6) is communicated with the connecting hole (7), and the connecting column (4) is in sliding fit with the notch (6).

4. The drill press fixture of claim 1, wherein: the limiting plate (5) is connected with a handle (9).

5. The drill press fixture of claim 2, wherein: reference column (3) include first cylinder (10) and second cylinder (11), first cylinder (10) with second cylinder (11) mirror symmetry sets up, and its symmetry axis does longest symmetry axis on reference column (3) cross-section, first cylinder (10) with drilling machine body (1) is followed the axial sliding connection of reference column (3), second cylinder (11) with drilling machine body (1) fixed connection, spliced pole (4) are connected on first cylinder (10).

6. The drill press fixture of claim 5, wherein: the axial direction of following reference column (3) on first cylinder (10) is connected with guide bar (12), be provided with on second cylinder (11) with guide bar (12) corresponding guide way (13), guide bar (12) are located in guide way (13) and with guide way (13) sliding connection.

7. The drill press fixture of claim 6, wherein: the cross-sectional area of one end, far away from the first cylinder (10), of the guide strip (12) is larger than that of one end, close to the first cylinder (10), of the guide strip (12).

8. The drill press fixture of claim 1, wherein: the workpiece positioning device further comprises a limiting rod (16), and the limiting rod (16) penetrates through hole positions of the annular workpiece.