CN215114310U

CN215114310U - Rim runout detection device

Info

Publication number: CN215114310U
Application number: CN202121783808.3U
Authority: CN
Inventors: 王大勇
Original assignee: Kaifeng Jinda Machinery Parts Co ltd
Current assignee: Kaifeng Jinda Machinery Parts Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-12-10
Anticipated expiration: 2031-08-02

Abstract

The utility model relates to a rim detection device that beats. This rim detection device that beats includes the base, rotate through the bearing on the base be equipped with the dabber and with the coaxial tray of dabber, the outer wall of dabber is equipped with the screw thread, has on the tray and dodges the hole of dodging of dabber, it has a plurality of to follow to slide on the tray the jack catch of tray radial motion, a plurality of the medial surface of jack catch is the inclined plane, and the spindle cover is equipped with the cone of frustum form big-end-up, the outer wall of cone and the medial surface butt of each jack catch, spindle threaded connection have and are located the nut of cone upside is equipped with straining screw, adjacent two on each jack catch respectively be equipped with between the straining screw and hang the spring. Compared with the prior art, the utility model has simple and compact structure, and can accurately measure the radial multi-position jumping quantity of the rim; and the device is provided with a good protection device, has strong anti-interference capability, and avoids the interference of factors such as scrap iron and burrs in contact measurement.

Description

Rim runout detection device

Technical Field

The utility model belongs to the technical field of rim apparatus for producing, especially, relate to a rim detection device that beats.

Background

The tire of the wheel is mounted on a rim, which is connected to the spokes. The steel ring (hub) is a common name that the rim and the spoke are connected into a whole. The existing steel ring is made of steel and aluminum alloy.

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. However, the section of the rim can be approximately considered to be formed by a spline curve, and the manufacturing error of the rim causes that a suitable reference surface cannot be found for detecting the end diameter jump value of the rim, and the geometric dimension of the rim has a large error in the axial direction due to the material nonuniformity of steel materials and the error in the rim forming process, and the requirement of production cannot be met if the end diameter jump is detected.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a rim detection device that beats, this rim detection device that beats simple structure is compact, can measure the radial many places amount of beating of rim.

The utility model discloses a rim detection device that beats adopts technical scheme is: rim detection device that beats, the on-line screen storage device comprises a base, rotate through the bearing on the base be equipped with the dabber and with the coaxial tray of dabber, the outer wall of dabber is equipped with the screw thread, it dodges to have on the tray the hole of dodging of dabber, it is equipped with a plurality of edge to slide on the tray the jack catch of tray radial motion, a plurality of the medial surface of jack catch is the inclined plane, the epaxial cover of dabber is equipped with the cone of circular truncated cone form about big, the outer wall and each of cone the medial surface butt of jack catch, spindle threaded connection has and is located the nut of cone upside, each be equipped with taut screw on the jack catch respectively, adjacent two be equipped with between the taut screw and hang the spring.

Preferably, fixedly connected with a plurality of briquetting on the tray, a plurality of the briquetting all follows the tray radially extends, and a plurality of the briquetting one-to-one card is established the jack catch upside.

Preferably, the upper side of the nut is provided with a connecting hole, and a wrench is arranged in the connecting hole.

Preferably, the outer side of the base is provided with a dust cover coaxial with the mandrel, and the dust cover is mounted on the lower side face of the tray through screws.

Preferably, the lower end of the mandrel is fixedly connected with a dust cover, and the outer diameter of the dust cover is larger than that of the mandrel and the base mounting bearing.

Preferably, the jaws have six, and the included angle between every two adjacent jaws is 60 degrees.

The utility model has the advantages that: adopt the medial surface of rim as the holding surface that detects, will the utility model discloses place in the rim to rim center of rotation is the detection benchmark, should detect the rotation axis coincidence of benchmark and dabber. The mounting surface of the rim is theoretically parallel to the rotation center of the rim, so the mounting surface of the rim is taken as a positioning surface, but the mounting surface of the rim has a certain taper and the flanges have relative height difference due to actual manufacturing errors of the rim, so the inner side surface of the rim is taken as a reference surface. The nut is rotated through the wrench, so that the cone moves up and down, the clamping jaws are pressed against the inner side surface of the rim under the action of the cone and the hanging spring, the rim and the clamping jaws rotate relatively at the moment, and the jumping quantity of the rim can be detected through the dial indicator. Compared with the prior art, the utility model has simple and compact structure, and can accurately measure the radial multi-position jumping quantity of the rim; the wheel rim clamping device is provided with a good protection device, has strong anti-interference capability, avoids the interference of factors such as scrap iron and burrs in contact measurement, can control the clamping jaws to be tightened or loosened through the screw cap, can meet the requirement of quick replacement and assembly of the wheel rims with different structural sizes during processing, shortens the wheel rim clamping period, and has the characteristics of simple structure, flexible and reliable action, stable performance and smooth production guarantee.

Drawings

Fig. 1 is a plan view of the rim runout detecting apparatus of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 3 is a sectional view taken along the direction B-B in fig. 2.

In the figure: 1. a base; 2. a mandrel; 3. a tray; 4. a claw; 5. a cone; 6. a nut; 7. tightening the screw; 8. hanging a spring; 9. briquetting; 10. a first bearing; 11. a second bearing; 13. a dust cover; 14. a dust cover; 15. a round nut; 16. a wrench.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

The utility model discloses a rim runout detection device's concrete embodiment, as shown in figure 1 to figure 3, including base 1, base 1 center is rotated and is installed vertical dabber 2, base 1 upper end is equipped with tray 3, tray 3 is last to distribute a plurality of jack catchs 4, preferably 6, jack catchs 4 point to the one end of dabber 2 is the inclined plane, spindle 2 is last to install the cone 5 of arranging on jack catchs 4 inclined plane, the toper inclination is the same with jack catchs 4 inclined plane inclination, the height of cone 5 is less than or equal to jack catchs 4, in order to reduce the loss of raw materials and the weight of device, the direction of cone 5 is downward, then cone 5 can promote jack catchs 4 to move to the chuck outside when moving downwards, the upper end screw thread of dabber 2 is installed nut 6, nut 6 passes through bolt and cone 5 fixed connection, the upper end of jack catchs 4 is equipped with tensioning screw 7, tensioning screw 7 installs in jack catchs 4 one side of deviating from dabber 2, all the tensioning screws 7 are the same in height, hanging springs 8 are further arranged at the upper ends of the clamping knots, the quantity of the hanging springs 8 is the same as that of the clamping jaws 4, and two ends of each hanging spring 8 are respectively connected to two adjacent clamping jaws 4; the upper end of the screw 7 is tightened, the hanging spring 8 is kept horizontal, the hanging spring 8 can draw the inner side surfaces of all the clamping jaws 4 to be abutted against the conical surface of the cone 5, and the distances between the clamping jaws 4 are equal.

In order to prevent the jaw 4 and the tray 3 from displacing in the vertical direction, a plurality of pressing blocks 9 are uniformly distributed at the upper end of the tray 3, the number of the pressing blocks 9 is the same as that of the jaw 4, and the pressing blocks 9 are mounted at the upper end of the jaw 4, so that the jaw 4 can only displace in the horizontal direction.

The pressing block 9 is fixedly arranged on the tray 3 through bolts and pins.

Base 1 rotate with dabber 2 through first bearing 10 and be connected, base 1 rotates with tray 3 through second bearing 11 and is connected, can effectually reduce the wearing and tearing between base 1 and dabber 2 and the tray 3.

In order to prevent iron chips and burrs from entering the second bearing 11 during detection and ensure the stable rotation between the base 1 and the tray 3, a dust cover 13 is sleeved outside the base 1, and the dust cover 13 is installed at the lower end of the tray 3 through screws.

In order to prevent iron chips and burrs from entering the first bearing 10 during detection and ensure stable rotation between the base 1 and the mandrel 2, the lower end of the mandrel 2 is provided with a dustproof cover 14 with a diameter larger than that of the first bearing 10, and the lower end of the mandrel 2 is provided with a round nut 15 so that the dustproof cover 14 is fixed on the mandrel 2.

In order to facilitate the rotation of the nut 6 to drive the cone 5 to move up and down on the mandrel 2, the upper end of the nut 6 is provided with a connecting hole, and a wrench 16 is arranged in the connecting hole, so that the nut 6 can be rotated by rotating the wrench 16.

The utility model discloses a medial surface of rim places the device in the rim as the holding surface that detects to rim rotation center is the detection benchmark, should detect the benchmark and the coincidence of the rotation axis center of dabber 2.

Because the installation face of rim is parallel for rim rotation center in theory, so take the installation face of rim as the locating surface, but because the actual manufacturing error of rim, there is certain tapering and the relative difference in height of rim in the installation face of rim, so adopt the medial surface of rim as the reference surface, consequently rotate nut 6 through spanner 16, make cone 5 reciprocate, make jack catch 4 push up at the rim medial surface under the effect of cone 5 and hanging spring 8, make this moment take place relative rotation between rim and the jack catch 4, can detect the runout volume of rim through the percentage table.

The utility model has simple and compact structure, and can accurately measure the radial multi-position jumping amount of the rim; the wheel rim clamping device is provided with a good protection device, has strong anti-interference capability, avoids the interference of factors such as scrap iron and burrs in contact measurement, can control the clamping jaws to be tightened or loosened through the screw cap, can meet the requirement of quick replacement and assembly of the wheel rims with different structural sizes during processing, shortens the wheel rim clamping period, and has the characteristics of simple structure, flexible and reliable action, stable performance and smooth production guarantee.

The foregoing detailed description/examples are specific embodiments of the present invention, and are intended to be illustrative of the principles of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include those which make any obvious replacement or modification of the embodiments described herein, and all of which are within the scope of the present invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A rim runout detecting device characterized in that: the base is included, rotate through the bearing on the base be equipped with the dabber and with the coaxial tray of dabber, the outer wall of dabber is equipped with the screw thread, it dodges to have on the tray the hole of dodging of dabber, it follows to slide on the tray to be equipped with a plurality of the jack catch of tray radial motion, a plurality of the medial surface of jack catch is the inclined plane, the spindle cover is equipped with the cone of circular truncated cone form of big-end-up, the outer wall and each of cone the medial surface butt of jack catch, spindle threaded connection has and is located the nut of cone upside, each be equipped with taut screw on the jack catch respectively, adjacent two be equipped with between the taut screw and hang the spring.

2. The rim runout detecting device according to claim 1, wherein: fixedly connected with a plurality of briquetting on the tray, a plurality of the briquetting is all followed the tray radially extends, a plurality of the briquetting one-to-one card is established the jack catch upside.

3. The rim runout detecting device according to claim 1, wherein: the upper side of the nut is provided with a connecting hole, and a wrench is arranged in the connecting hole.

4. The rim runout detecting device according to claim 1, wherein: the outside of base be equipped with the coaxial dust cover of dabber, the dust cover passes through the screw installation on the downside of tray.

5. The rim runout detecting device according to claim 4, wherein: the lower extreme fixedly connected with shield of dabber, the external diameter of shield is greater than the dabber with the external diameter of base installation bearing.

6. The rim runout detecting device according to claim 1, wherein: the clamping jaws are six, and the included angle between every two adjacent clamping jaws is 60 degrees.