CN215676747U

CN215676747U - End jump and radial jump detection tool special for tubeless rim

Info

Publication number: CN215676747U
Application number: CN202121488154.1U
Authority: CN
Inventors: 冯勋震
Original assignee: Shandong Heze Zhenhua Precision Mould Co ltd
Current assignee: Shandong Heze Zhenhua Precision Mould Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-01-28
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a special end jump and radial jump detection tool for a tubeless rim, which comprises a base, wherein the upper end of the base is provided with a mandrel, the top end of the mandrel is provided with a lower positioning plate, the central position of the top end of the lower positioning plate is provided with a central guide column, the top end of the central guide column is provided with a movable pressure plate, and the movable pressure plate is of a vertical hole structure; compared with the prior art, the utility model adopts an inner hole with an angle of 15 degrees of an upper positioning rim and a lower positioning rim, and adopts a middle hole positioning sleeve in the inner hole of the upper movable pressure plate, so that a set of detection tool is used for detecting end jump and radial jump of products with the same diameter and different widths, the stability of detection is ensured, and the detection efficiency is improved; the utility model has simple structure and strong practicability and is worth popularizing.

Description

End jump and radial jump detection tool special for tubeless rim

Technical Field

The utility model belongs to the field of machinery manufacturing industry, and particularly relates to a special end jump and radial jump detection tool for a tubeless rim.

Background

The quality of the rim can directly affect the quality of the automobile rim and even the quality of the whole automobile. At present, a series of national standards and industrial standards are respectively made for rims in China and the wheel industry, wherein the rim runout is an important technical parameter for inspecting the quality of rim products and an important technical performance for reflecting the vehicle runout and the vehicle body stability when an automobile runs. Therefore, in the related field of wheel rims, especially in the automobile rim manufacturing enterprises, in order to ensure the product quality of the rim, the rim of the wheel rim product must be subjected to the runout amount detection. Because the market constantly strengthens and comes the requirement that the finished product rate that the inside steel ring finished product of enterprise embodied to the basic performance promoted by a wide margin to the quality requirement of the product of steel ring, considers finished rim manufacturing accuracy, carries out rim end, radial runout detection to the rim and becomes one of the urgent solutions of enterprise, because the difference of the width of rim, need change the detection frock, this is not so as to have increased the detection cost to influence the efficiency that detects.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose, the utility model provides the following technical scheme: the end jump and radial jump detection tool special for the tubeless rim comprises a base, wherein a mandrel is arranged at the upper end of the base, a lower positioning plate is arranged at the top end of the mandrel, a central guide column is arranged at the central position of the top end of the lower positioning plate, a movable pressure plate is arranged at the top end of the central guide column, and the movable pressure plate is of a middle vertical hole structure; the lower extreme of dabber is provided with lock nut, just connect through lock nut between dabber and the base.

Preferably, the contact position of the top surface and the side surface of the lower positioning plate is provided with a chamfer angle.

Preferably, the position where the bottom surface of the movable pressure plate is contacted with the side surface is provided with a chamfer angle which is the same as the upper angle of the lower positioning plate.

Preferably, the movable pressure plate consists of a cylinder and a round cake, and the position of the lower end of the round cake, which is contacted with the cylinder, is rounded.

Preferably, a cushion cover is sleeved on the outer side of the mandrel, and an upper ball bearing is arranged between the lower end of the cushion cover and the mandrel; and a lower ball bearing is arranged between the lower end of the cushion cover and the mandrel.

Has the advantages that: compared with the prior art, the utility model has the beneficial effects that: compared with the prior art, the utility model adopts the inner holes with 15 degrees of upper and lower positioning rims and the inner holes of the upper movable pressure plate adopt the middle hole positioning sleeve, thus realizing that one set of detection tool detects the end jump and the radial jump of products with the same diameter and different widths, ensuring the stability of detection and improving the detection efficiency.

Drawings

Fig. 1 is a structural sectional view of the special end jump and radial jump detection tool for the tubeless rim.

In the drawings: 1-movable pressure plate, 2-positioning bolt, 3-lower positioning plate, 4-core shaft, 5-upper ball bearing, 6-cushion cover, 7-lower ball bearing, 8-locking nut and 9-base.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Examples

Referring to the attached drawings of the specification, in the embodiment of the utility model, the special end jump and radial jump detection tool for the tubeless rim comprises a base 9, wherein a mandrel 4 is arranged at the upper end of the base 9, a lower positioning plate 3 is arranged at the top end of the mandrel 4, a central guide post 2 is arranged at the central position of the top end of the lower positioning plate 3, a movable pressing plate 1 is arranged at the top end of the central guide post 2, and the movable pressing plate 1 is of a middle vertical hole structure; the lower extreme of dabber 4 is provided with lock nut 8, just connect through lock nut 8 between dabber 4 and the base 9.

Furthermore, a chamfer angle is arranged at the position where the top surface of the lower positioning plate 3 is contacted with the side surface; the position that the bottom surface of activity pressure disk 1 and side contacted is provided with the chamfer angle the same with angle on the positioning disk 3 down, the inclined plane of chamfer angle and the inclined plane of the inboard 15 jiaos of rim hole parallel, put the rim on positioning disk 3 down, fix a position the lower extreme of rim through the chamfer angle on the positioning disk 3 down, install activity pressure disk 1 on central guide post 2 and utilize the chamfer angle of activity pressure disk 1 lower extreme to fix a position the upper end of rim after that.

Further, the movable pressure plate 1 is composed of a cylinder and a round cake, and the position of the lower end of the round cake, which is contacted with the cylinder, is rounded.

Furthermore, a cushion cover 6 is sleeved on the outer side of the core shaft 4, and an upper ball bearing 5 is arranged between the lower end of the cushion cover 6 and the core shaft 4; and a lower ball bearing 7 is arranged between the lower end of the cushion cover 6 and the mandrel 4.

The working mode is as follows:

the first step is as follows: moving the workpiece to a lower positioning plate;

the second step is that: after the movable pressure plate is assembled on the central guide post and the rim is pressed downwards by an angle of 15 degrees, the rim can automatically align the relative position of the rim relative to the detection tool;

the third step: detecting the jump and the radial jump of the upper end and the lower end of the wheel rim;

the fourth step: after the detection is finished, the movable pressure plate is lifted upwards, the workpiece is taken down, and the detection is finished;

compared with the prior art, the utility model has the advantages that 15-degree inner holes of the upper and lower positioning rims are adopted, and the inner hole of the upper movable pressure plate adopts the middle hole positioning sleeve, so that one set of detection tool is used for detecting end jump and radial jump of products with the same diameter and different widths, the detection stability is ensured, and the detection efficiency is improved; the utility model has simple structure and strong practicability and is worth popularizing.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Claims

1. The utility model provides a tubeless rim special use end is jumped and is jumped footpath detection frock which characterized in that: the automatic positioning device comprises a base (9), wherein a mandrel (4) is arranged at the upper end of the base (9), a lower positioning plate (3) is arranged at the top end of the mandrel (4), a central guide column (2) is arranged at the central position of the top end of the lower positioning plate (3), a movable pressing plate (1) is arranged at the top end of the central guide column (2), and the movable pressing plate (1) is of a vertical hole structure in the middle; the lower end of the mandrel (4) is provided with a locking nut (8), and the mandrel (4) is connected with the base (9) through the locking nut (8).

2. The special end jump and radial jump detection tool for the tubeless rim according to claim 1, characterized in that: and a chamfer angle is arranged at the contact position of the top surface of the lower positioning disc (3) and the side surface.

3. The special end jump and radial jump detection tool for the tubeless rim according to the claim 1 or 2, characterized in that: the position where the bottom surface of the movable pressure plate (1) is contacted with the side surface is provided with a chamfer angle with the same angle on the lower positioning plate (3).

4. The special end jump and radial jump detection tool for the tubeless rim according to claim 1, characterized in that: the movable pressure plate (1) is composed of a cylinder and a round cake, and the position of the lower end of the round cake, which is contacted with the cylinder, is rounded.

5. The special end jump and radial jump detection tool for the tubeless rim according to claim 1, characterized in that: a cushion cover (6) is sleeved on the outer side of the core shaft (4), and an upper ball bearing (5) is arranged between the lower end of the cushion cover (6) and the core shaft (4); and a lower ball bearing (7) is arranged between the lower end of the cushion cover (6) and the mandrel (4).