Drill jig for machining radial hole in outer circle of part

Abstract

The utility model discloses a drill jig for machining a radial hole in the outer circle of a part, and belongs to the technical field of drilling tool clamps. The drill jig comprises a drill jig body, a plug and a baffle, a connecting positioning hole is coaxially formed in the drill jig body, two drill guide holes are evenly distributed in the drill jig body, the drill guide holes are arranged in the radial direction of the drill jig body and communicated with the connecting positioning hole, two positioning faces are evenly distributed on the outer circle face of the drill jig body and are perpendicular to the drill guide holes, and the plug is arranged on the outer circle face of the drill jig body. The plug is detachably connected with one end of the drill jig body, and the baffle is installed at the end, away from the plug, of the drill jig body through a plurality of connecting pieces. Parts are positioned and clamped through the drill jig, the drill jig is aligned through the positioning face, it is ensured that the position size of the phi1 hole meets the requirement, the drill bit is guided through the drill guide hole in the drilling process, the drill bit is not prone to drilling deviation, the machining difficulty of the phi1 hole in the parts is greatly reduced, and the machining efficiency and the quality stability of the phi1 hole are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drill jig for the machining of radial holes on the outer circle of a part and belongs to the technical field of drilling fixtures. BACKGROUND

[0002] As shown in the drawings, two small holes of φ1 need to be drilled radially on the outer circle of a part to be machined, and the small holes have a positional size requirement from the right end face of the part to be machined, and the two small holes need to be machined by positioning the part to be machined itself. Figure 1

[0003] A machining center is usually used to clamp the part to be machined and to machine the two small holes of φ1, but it is not easy to align the part to be machined during clamping, and the drill bit is prone to deviation during drilling, resulting in part scrap. At the same time, it is not easy to ensure the positional size of the small holes, the machining difficulty is high, the machining efficiency is low, and the quality of the part is unstable. SUMMARY

[0004] To solve the above technical problems, the utility model provides a drill jig for the machining of radial holes on the outer circle of a part.

[0005] The utility model is implemented by the following technical solutions:

[0006] A drill jig for the machining of radial holes on the outer circle of a part, comprising a drill jig body, a screw plug and a baffle, a connecting positioning hole is coaxially arranged on the drill jig body, two drill guide holes are uniformly arranged on the drill jig body, the drill guide holes are arranged along the radial direction of the drill jig body and are in communication with the connecting positioning hole, two positioning faces are uniformly arranged on the outer circumferential surface of the drill jig body, and the positioning faces are perpendicular to the drill guide holes, the screw plug is detachably connected to one end of the drill jig body, and the baffle is installed on the end of the drill jig body away from the screw plug by a plurality of connecting pieces.

[0007] The connecting positioning hole comprises a threaded hole B and a positioning hole arranged coaxially, and the positioning hole is in communication with the threaded hole B.

[0008] A threaded hole A is arranged on the end face of the drill jig body close to the baffle at a position corresponding to the connecting piece.

[0009] The screw plug comprises a screwing section and a threaded section arranged coaxially, and one end of the threaded section is connected to one end of the screwing section.

[0010] Anti-slip patterns are rolled on the outer circumferential surface of the screwing section.

[0011] An even number of flat surfaces are uniformly arranged on the outer circumferential surface of the screwing section.

[0012] The baffle is installed on the end of the drill jig body away from the screw plug by four connecting pieces.

[0013] ​The baffle is provided with a through hole at a position corresponding to the connecting piece.

[0014] The connecting piece is a screw.

[0015] The beneficial effect of the utility model lies in: realize part positioning clamping through the drill jig, and utilize the locating surface to align the drill jig, ensure that the position size of phi 1 hole meets the requirement, guide the drill bit through the drill pilot hole in the drilling process, the drill bit is not easy to drill deviation, greatly reduce the machining difficulty of phi 1 hole on the part, improve its machining efficiency and quality stability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a part drawing;

[0017] Figure 2 It is a structural schematic diagram of the utility model;

[0018] Figure 3 It is a sectional view of the drill jig body of the utility model;

[0019] Figure 4 It is Figure 3 The left view;

[0020] Figure 5 It is Figure 3 The right view;

[0021] Figure 6 It is a front view structural schematic diagram of the screw plug of the utility model;

[0022] Figure 7 It is Figure 6 The left view;

[0023] Figure 8 It is a front view structural schematic diagram of the baffle of the utility model;

[0024] Figure 9 It is Figure 8 Rotary sectional view along A-A.

[0025] In the drawing: 1-drill jig body, 10-thread hole A, 11-connecting positioning hole, 110-thread hole B, 111-positioning hole, 12-drill pilot hole, 13-positioning surface, 2-screw plug, 20-flat surface, 21-twist section, 22-thread section, 3-baffle, 30-through hole, 4-connecting piece, 5-part. DETAILED DESCRIPTION

[0026] The technical scheme of the utility model is further described below, but the scope of protection is not limited to the description.

[0027] As Figures 1 to 9The utility model provides a drill jig for the radial hole machining of the outer circle of a part, comprising a drill jig body 1, a screw plug 2 and a baffle 3, the drill jig body 1 is coaxially provided with a connecting positioning hole 11, two drill guide holes 12 are uniformly arranged on the drill jig body 1, the drill guide holes 12 are arranged along the radial direction of the drill jig body 1 and are in communication with the connecting positioning hole 11, two positioning surfaces 13 are uniformly arranged on the outer circumferential surface of the drill jig body 1, and the positioning surfaces 13 are perpendicular to the drill guide holes 12, the screw plug 2 is detachably connected to one end of the drill jig body 1, and the baffle 3 is installed on the end of the drill jig body 1 away from the screw plug 2 through a plurality of connecting pieces 4. Figure 2 In use, the distance from the center line of the drill guide hole 12 to the right end surface of the drill jig body 1 is substantially the same as the distance from the center line of the φ1 hole on the part 5 to the small end surface of the part 5, and the distance from the center line of the drill guide hole 12 to the right end surface of the drill jig body 1 is within the range of the distance from the center line of the φ1 hole on the part 5 to the small end surface of the part 5, so that the part 5 can be positioned and clamped by the drill jig, and the position of the φ1 hole machined after the part 5 is guided by the drill guide hole 12 meets the requirements. When the part 5 is clamped, the part 5 is placed in the connecting positioning hole 11, then the screw plug 2 is screwed into the connecting positioning hole 11 and is tightened, the screw plug 2 pushes the part 5 to move until the small end surface of the part 5 is in contact with the baffle 3, so that the small end surface of the part 5 is positioned by the baffle 3, and the position of the φ1 hole machined meets the requirements. When the part 5 is clamped by the screw plug 2 and the baffle 3, the middle outer circumferential surface of the part 5 is positioned by the connecting positioning hole 11, so that the part 5 is positioned and clamped, then the drill jig with the clamped part 5 is placed or fixed on the working platform of a drilling machine, and the positioning surface 13 is in contact with the top surface of the working platform, so that the drill jig is aligned, then the drilling machine is started to machine the φ1 hole, the drill bit is guided by the drill guide hole 12 during drilling to avoid deviation, and another φ1 hole is machined after the other positioning surface 13 is in contact with the top surface of the working platform.

[0028] The part 5 is positioned and clamped by the drill jig, and the drill jig is aligned by the positioning surface 13, so that the position of the φ1 hole meets the requirements, the drill bit is guided by the drill guide hole 12 during drilling, the drill bit is less likely to deviate, the machining difficulty of the φ1 hole on the part 5 is greatly reduced, and the machining efficiency and quality stability are improved.

[0029] The connecting positioning hole 11 comprises a threaded hole B110 and a positioning hole 111 arranged coaxially, and the positioning hole 111 is in communication with the threaded hole B110. In use, the threaded hole B110 is used for threaded connection with the screw plug 2, and the positioning hole 111 is used for positioning the outer circumferential surface of the middle section of the part 5.

[0030] The drill jig body 1 has a threaded hole A10 on the end face near the end of the baffle 3, corresponding to the connecting piece 4. The threaded hole A10 is used to be screwed with the connecting piece 4.

[0031] The screw plug 2 comprises a screwing section 21 and a threaded section 22 arranged coaxially, and one end of the threaded section 22 is connected with one end of the screwing section 21. The screw plug 2 is used to press and fix the part 5.

[0032] The outer cylindrical surface of the screwing section 21 is rolled with anti-skid patterns.

[0033] The outer cylindrical surface of the screwing section 21 is evenly processed with an even number of planes 20. It is convenient to tighten or loosen the screw plug 2 by clamping the planes 20 on the screwing section 21 with a wrench or other tools.

[0034] The baffle 3 is installed on the drill jig body 1 away from the screw plug 2 through four connecting pieces 4. The baffle 3 is used to position the small end face of the part 5.

[0035] The baffle 3 has a through hole 30 on the position corresponding to the connecting piece 4.

[0036] The connecting piece 4 is a screw. In use, one end of the screw passes through the through hole 30 on the baffle 3 and is screwed with the threaded hole A10 on the drill jig body 1 to lock and fix the baffle 3 on the drill jig body 1.

Claims

1. A drilling jig for machining radial holes on the outer circle of a part, characterized by: The application relates to a drilling jig, which comprises a drilling jig body (1), a screw plug (2) and a baffle (3), the drilling jig body (1) is coaxially provided with a connecting positioning hole (11), two drilling guide holes (12) are uniformly arranged on the drilling jig body (1), the drilling guide holes (12) are arranged along the radial direction of the drilling jig body (1) and are communicated with the connecting positioning hole (11), two positioning surfaces (13) are uniformly arranged on the outer circumferential surface of the drilling jig body (1) and are perpendicular to the drilling guide holes (12), the screw plug (2) is detachably connected with one end of the drilling jig body (1), and the baffle (3) is installed on the end of the drilling jig body (1) far from the screw plug (2) through a plurality of connecting pieces (4).

2. The drill jig for machining a radial hole on an outer circle of a part according to claim 1, wherein: The connecting positioning hole (11) comprises a threaded hole B (110) and a positioning hole (111) arranged coaxially, and the positioning hole (111) is communicated with the threaded hole B (110).

3. The drill jig for machining a radial hole on an outer circle of a part according to claim 1, wherein: A threaded hole A (10) is arranged on the end face of the drilling jig body (1) close to the baffle (3) at positions corresponding to the connecting pieces (4).

4. The drill jig for machining a radial hole on an outer circle of a part according to claim 1, wherein: The screw plug (2) comprises a screwing section (21) and a threaded section (22) arranged coaxially, and one end of the threaded section (22) is connected with one end of the screwing section (21).

5. The drill jig for machining a radial hole on an outer circle of a part according to claim 4, wherein: Anti-skid patterns are rolled on the outer circumferential surface of the screwing section (21).

6. The drill jig for machining a radial hole on an outer circle of a part according to claim 4, wherein: An even number of planes (20) are uniformly arranged on the outer circumferential surface of the screwing section (21).

7. The drill jig for machining a radial hole on an outer circle of a part according to claim 1, wherein: The baffle (3) is installed on the end of the drilling jig body (1) far from the screw plug (2) through four connecting pieces (4).

8. The drill jig for machining a radial hole on an outer circle of a part according to claim 1, wherein: Through holes (30) are arranged on the baffle (3) at positions corresponding to the connecting pieces (4).

9. The drill jig for machining a radial hole on an outer circle of a part according to claim 1, wherein: The connecting pieces (4) are screws.

Images