Positioning auxiliary device for side hole tapping of spliced gear

Abstract

A positioning auxiliary device for side hole tapping of a spliced gear belongs to the technical field of positioning tools, is matched with drilling and tapping equipment for use and comprises a fixture and a positioning plate, a groove for vertically placing the spliced gear is formed in the middle of the fixture, a stop column is arranged at the bottom of the groove, and the positioning plate is mounted on the right front end face of the fixture. The positioning tool structure is reasonably designed, so that the thread structure of the side hole of the spliced gear can be quickly machined, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of positioning frock, concretely relates to a positioning auxiliary device for spliced gear side hole tapping. BACKGROUND

[0002] In the spliced gear powder metallurgy processing process, the side hole of the spliced gear often needs to be tapped, and because the gear is circular, positioning is inconvenient during processing, resulting in low processing efficiency. Therefore, how to position the spliced gear becomes a technical problem to be solved urgently. SUMMARY

[0003] The utility model wants to solve the technical problem to provide a positioning auxiliary device for spliced gear side hole tapping, realizes the quick processing of the thread structure of the spliced gear side hole through the reasonable design positioning frock structure, and improves work efficiency.

[0004] The utility model adopts the technical scheme: the positioning auxiliary device for spliced gear side hole tapping is used in cooperation with drilling tapping equipment, including fixture and positioning plate, the recess for placing the spliced gear vertically is formed in the middle part of the fixture, the stop post is arranged at the recess bottom, and the positioning plate is installed at the front end face of the fixture.

[0005] Further, the groove sidewall profile is composed of an upper arc line and a lower straight line, the groove bottom profile is a straight line, and the arc of the upper arc line has a center point vertically at the top end of the fixture and a π / 5-π / 4 radian.

[0006] Further, the depth of the recess is slightly greater than the radius of the spliced gear, and the radius of the upper arc line segment is equal to the radius of the spliced gear.

[0007] Further, the bottom of the fixture is provided with a positioning groove for cooperating with the positioning protrusion of the drilling tapping equipment placing platform.

[0008] Further, the stop post is arranged at a position deviating from the center point of the recess bottom along the horizontal longitudinal center line of the recess, and the top of the stop post is round and tapered.

[0009] The utility model has the beneficial effects that through the reasonable design of the positioning frock structure, the thread structure of the spliced gear side hole is quickly processed, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is the structure schematic diagram of the utility model;

[0011] Fig. 2 It is the setting position diagram of the stop post in the recess;

[0012] Fig. 3 It is the side hole position diagram of the spliced gear;

[0013] In the drawings: 1 is a fixture, 1-1 is a groove, 1-2 is a stop column, 1-3 is a positioning groove, 2 is a positioning plate. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model.

[0015] Referring to the drawings Figs. 1-3 The utility model relates to a positioning auxiliary device for splicing gear side hole tapping, which is used in cooperation with drilling and tapping equipment and comprises a fixture 1 and a positioning plate 2, wherein a vertical recess 1-1 for placing a splicing gear is formed in the middle of the fixture 1, and a stop column 1-2 is arranged at the bottom of the recess 1-1; the positioning plate 2 is installed on the front end face of the fixture 1.

[0016] The side wall profile of the recess 1-1 is composed of an upper arc line and a lower straight line, the bottom profile of the recess 1-1 is a straight line, and the arc of the upper arc line has a center point vertically at the top end of the fixture 1 and a π / 5-π / 4 radian. The depth of the recess 1-1 is slightly greater than the radius of the splicing gear, and the radius of the upper arc line segment is equal to the radius of the splicing gear. The bottom of the fixture 1 is provided with a positioning groove 1-3 for cooperating with the positioning protrusion of the drilling and tapping equipment placing platform. The stop column 1-2 is arranged at a position deviated from the center point of the bottom of the recess 1-1 along the horizontal longitudinal center line of the recess 1-1, and the top of the stop column 1-2 is in a smooth conical shape.

[0017] In the specific implementation, the fixture 1 is placed on the drilling and tapping equipment placing platform, the positioning groove 1-3 is inserted and cooperated with the positioning protrusion of the drilling and tapping equipment placing platform, the splicing gear is placed in the recess 1-1, the stop column 1-2 is clamped between the adjacent two teeth of the splicing gear, the side hole of the splicing gear is directly above, and then the drilling and tapping equipment is used to tap the side hole.

[0018] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A positioning auxiliary device for splicing gear side hole tapping, used in cooperation with a drilling and tapping equipment, comprising a fixture (1) and a positioning plate (2), characterized in that: The fixture (1) is provided with a recess (1-1) for placing the splicing gear vertically in the middle part, and a stop post (1-2) is arranged at the bottom of the recess (1-1); the positioning plate (2) is installed on the front end face of the fixture (1).

2. A positioning aid for tapping gear side hole splicing according to claim 1, characterized in that: The side wall profile of the recess (1-1) is composed of an upper arc line and a lower straight line, the bottom profile of the recess (1-1) is a straight line, and the arc of the upper arc line is a π / 5-π / 4 radian with the top vertical center point of the fixture (1) as the center.

3. A positioning aid for tapping gear side hole splicing according to claim 2, characterized in that: The depth of the recess (1-1) is slightly greater than the radius of the splicing gear, and the radius of the upper arc segment is equal to the radius of the splicing gear.

4. The positioning aid for tapping of gear side hole for splicing as claimed in claim 1 wherein: The bottom of the fixture (1) is provided with a positioning groove (1-3) for cooperating with the positioning protrusion of the drilling and tapping equipment placing platform.

5. The positioning aid for tapping of gear side hole for splicing as claimed in claim 1 wherein: The stop post (1-2) is arranged at a position deviated from the center point of the bottom of the recess (1-1) along the horizontal longitudinal center line of the recess (1-1), and the top of the stop post (1-2) is a smooth taper.

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