CN216348181U

CN216348181U - Utensil is examined in short-term test engine flywheel casting mould axiality and is beated

Info

Publication number: CN216348181U
Application number: CN202122683267.3U
Authority: CN
Inventors: 石武; 朱胜宝; 宋天欣; 黄七岐
Original assignee: YULIN DAZHI MACHINERY FITTINGS CO Ltd
Current assignee: YULIN DAZHI MACHINERY FITTINGS CO Ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-19
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a checking fixture for rapidly detecting coaxiality and runout of an engine flywheel casting mold, which comprises a base, wherein a vertically arranged checking fixture mandrel is rotatably arranged on the base, a positioning pin matched with a central hole of a flywheel mold is arranged at the center of the top end of the checking fixture mandrel, and a checking fixture flat plate for supporting the flywheel mold is arranged at the top of the checking fixture mandrel. The utility model discloses a checking fixture for rapidly detecting coaxiality and runout of an engine flywheel casting mold, belongs to the technical field of casting mold detection, and is simple in structure and convenient to manufacture.

Description

Utensil is examined in short-term test engine flywheel casting mould axiality and is beated

Technical Field

The utility model relates to the technical field of casting mold detection, in particular to a detection tool for rapidly detecting coaxiality and runout of an engine flywheel casting mold.

Background

Because the flywheel casting mould is heavier, the mould is installed on the heating base during casting, mainly fixes a position through a central pin hole in the bottom surface of the mould and a plane reference, the coaxiality and the end face run-out are high in requirement precision, and the coaxiality and the run-out are inspected by using three coordinates in the period determination of the new mould and the new mould, so that the inspection efficiency is influenced. Therefore, the flywheel casting mold coaxiality and run-out gauge is practical, the coaxiality and the end face run-out of the flywheel casting mold relative to the center pin hole in the bottom surface of the mold and the plane reference can be rapidly detected in the production process, the occupation of three coordinates is reduced, the production efficiency is improved, and the product quality is guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of the prior art, and aims to provide a gauge for rapidly detecting the coaxiality and the runout of an engine flywheel casting mold.

In order to achieve the purpose, the utility model provides a checking fixture for rapidly detecting the coaxiality and the runout of an engine flywheel casting mold, which comprises a base, wherein a vertically arranged checking fixture mandrel is rotatably arranged on the base, a positioning pin matched with a central hole of a flywheel mold is arranged at the center of the top end of the checking fixture mandrel, and a checking fixture flat plate for supporting the flywheel mold is arranged at the top of the checking fixture mandrel.

Furthermore, the top of the checking fixture mandrel is provided with a supporting convex edge for supporting the checking fixture flat plate, the top of the checking fixture mandrel is provided with a positioning part which is rotatably connected with the checking fixture flat plate, and the checking fixture flat plate is sleeved on the positioning part.

Furthermore, a plurality of screw holes are uniformly formed in the supporting convex edge, a plurality of counter bores corresponding to the plurality of screw holes are formed in the check tool flat plate, and locking bolts are arranged in the counter bores.

Furthermore, the base is provided with mounting holes penetrating through the upper end and the lower end, bearings sleeved with the lower portion of the checking fixture mandrel are arranged at the top end and the bottom end in the mounting holes, and a positioning boss matched with the end face of the inner ring of the bearing is arranged below the supporting convex edge on the checking fixture mandrel.

Furthermore, the mounting hole is of a stepped hole structure with a large upper end and a large lower end and a small middle, and the upper end and the lower end of the mounting hole are provided with limit steps matched with the end faces of the outer ends of the bearings.

Furthermore, a threaded pin hole is formed in the axis of the top end of the positioning portion.

Advantageous effects

Compared with the prior art, the gauge for rapidly detecting the coaxiality and the jumping of the engine flywheel casting mold has the following beneficial effects:

the checking fixture for rapidly detecting the coaxiality and the run-out of the engine flywheel casting mold is simple in structure and convenient to manufacture, can rapidly center and position the flywheel mold accurately, rapidly detects the coaxiality and the end face run-out of the flywheel casting mold relative to a center pin hole in the bottom surface of the mold and a plane reference, solves the problem of low efficiency of detecting the flywheel mold by using three coordinates, improves the production efficiency and ensures the product quality.

Drawings

FIG. 1 is a schematic structural diagram of a gauge for rapidly detecting coaxiality and runout of an engine flywheel casting mold according to the utility model;

FIG. 2 is an enlarged sectional view of the base of the present invention;

FIG. 3 is an enlarged cross-sectional view of the construction of the gauge spindle of the present invention;

FIG. 4 is an enlarged top view of the construction of a gauge plate of the present invention;

FIG. 5 is a schematic structural diagram of the combination of the check tool for rapidly detecting coaxiality and runout of the engine flywheel casting mold and the flywheel mold.

In the figure: 1. a base; 2. a checking fixture mandrel; 3. a flywheel mold; 4. positioning pins; 5. a gauge plate; 6. supporting the convex edge; 7. a positioning part; 8. a screw hole; 9. a counter bore; 10. locking the bolt; 11. mounting holes; 12. a bearing; 13. positioning the boss; 14. a limiting step; 15. a threaded pin hole.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

The specific embodiments of the present invention are such that: as shown in fig. 1-5, a gauge for rapidly detecting coaxiality and runout of an engine flywheel casting mold comprises a base 1, a vertically arranged gauge mandrel 2 is rotatably arranged on the base 1, a positioning pin 4 matched with a central hole of a flywheel mold 3 is arranged at the center of the top end of the gauge mandrel 2, and a gauge plate 5 for supporting the flywheel mold 3 is arranged at the top of the gauge mandrel 2; the height gauge and the lever dial indicator are arranged above the checking fixture flat plate 5 and are conventional height measuring tools in the prior art.

In this utensil is examined in quick detection engine flywheel casting mould axiality and jump, a utensil dabber 2 on base 1 can rotate, it is rotatory to drive a flywheel mould 3 on examining utensil panel 5 and examining utensil panel 5, the detection head of lever percentage table and the side butt of flywheel mould 3, the detection head of tongue and the top surface butt of flywheel mould 3, flywheel mould 3 is rotatory to be observed the tongue, whether the reading of lever percentage table is unanimous, according to the tongue, the reading variation of lever percentage table, can detect out flywheel mould 3's axiality and jump and examine the utensil, it is convenient to detect, it is quick, an examine the utensil can satisfy the detection of the utensil is examined in axiality and jump, wide application scope.

The checking fixture for quickly detecting the coaxiality and the run-out of the engine flywheel casting mold is simple in structure and convenient to manufacture, can quickly center and position the flywheel mold accurately, quickly checks the coaxiality and the end face run-out of the flywheel casting mold relative to a center pin hole in the bottom surface of the mold and a plane reference, solves the problem that the efficiency of checking the flywheel mold by using three coordinates is slow, improves the production efficiency, and ensures the product quality.

In this embodiment, the top of examining a dabber 2 is equipped with the protruding edge 6 of support of supporting examine a dull and stereotyped 5, and the top of examining a dabber 2 is equipped with and examines a dull and stereotyped 5 rotation connection's location portion 7, examines a dull and stereotyped 5 cup joint on location portion 7, supports protruding edge 6 and goes up the locking structure who sets up and examine a dull and stereotyped 5 connection.

In this embodiment, the locking structure includes a plurality of screw holes 8 that are equipped with that evenly arrange on supporting convex edge 6, is equipped with a plurality of counter bores 9 corresponding with a plurality of screw holes 8 on examining a dull and stereotyped 5, is equipped with locking bolt 10 in the counter bore 9, and locking bolt 10 will examine a dull and stereotyped 5 and lock fast on examining a dabber 2.

In this embodiment, a mounting hole 11 is formed in the base 1 in a penetrating manner, bearings 12 which are sleeved with the lower portion of the checking fixture mandrel 2 are arranged at the top end and the bottom end in the mounting hole 11, and a positioning boss 13 which is matched with the end face of an inner ring of the bearing 12 is arranged below the supporting convex edge 6 on the checking fixture mandrel 2. Two bearings 12 in the mounting hole 11 support and guide the checking fixture mandrel 2, and the checking fixture mandrel 2 can stably rotate.

In this embodiment, the mounting hole 11 has a stepped hole structure with a large upper end and a small lower end and a small middle, and the upper end and the lower end of the mounting hole 11 are provided with a limit step 14 adapted to the end surface of the outer end of the bearing 12.

In this embodiment, a threaded pin hole 15 is provided at the axis of the top end of the positioning portion 7, and the positioning pin 4 and the positioning portion 7 are connected by a thread, so as to ensure that the center lines of the positioning pin 4 and the positioning portion 7 coincide.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the utility model, which will not affect the effect of the utility model and the practicability of the patent.

Claims

1. The utility model provides a utensil is examined in short-term test engine flywheel casting mould axiality and jump, includes base (1), its characterized in that, rotate on base (1) and be equipped with a dabber (2) of examining of perpendicular setting, the center department on examining dabber (2) top is equipped with locating pin (4) with the central hole looks adaptation of flywheel mould (3), the top of examining dabber (2) is equipped with examines a dull and stereotyped (5) of supporting flywheel mould (3).

2. The checking fixture for rapidly detecting coaxiality and runout of the engine flywheel casting mold according to claim 1, characterized in that a supporting ledge (6) for supporting the checking fixture flat plate (5) is arranged at the top of the checking fixture mandrel (2), a positioning part (7) rotatably connected with the checking fixture flat plate (5) is arranged at the top of the checking fixture mandrel (2), and the checking fixture flat plate (5) is sleeved on the positioning part (7).

3. The checking fixture for rapidly detecting coaxiality and runout of the engine flywheel casting mold according to claim 2, characterized in that a plurality of screw holes (8) are uniformly arranged on the supporting convex edge (6), a plurality of counter bores (9) corresponding to the plurality of screw holes (8) are arranged on the checking fixture flat plate (5), and locking bolts (10) are arranged in the counter bores (9).

4. The checking fixture for rapidly detecting coaxiality and runout of the engine flywheel casting mold according to claim 2, characterized in that a mounting hole (11) is formed in the base (1) in a penetrating manner from top to bottom, bearings (12) sleeved with the lower portion of the checking fixture mandrel (2) are arranged at the top end and the bottom end in the mounting hole (11), and a positioning boss (13) matched with the end face of an inner ring of the bearing (12) is arranged below the supporting convex edge (6) on the checking fixture mandrel (2).

5. The checking fixture for rapidly detecting coaxiality and runout of the engine flywheel casting mold according to claim 4, characterized in that the mounting hole (11) is of a stepped hole structure with large upper and lower ends and a small middle part, and the upper and lower ends of the mounting hole (11) are provided with limiting steps (14) adapted to the end faces of the outer ends of the bearings (12).

6. The checking fixture for rapidly detecting coaxiality and runout of the engine flywheel casting mold according to claim 4, characterized in that a threaded pin hole (15) is formed in the axis of the top end of the positioning portion (7).