CN219705087U - Hub positioning device - Google Patents

Abstract

The utility model belongs to the technical field of wheel hub positioning, in particular to a wheel hub positioning device, which comprises a foot rest, wherein a base is arranged on the foot rest, four groups of support rods are arranged on the base, a placing plate is arranged on the support rods, four groups of sliding grooves are formed in the placing plate, the included angle between every two groups of sliding grooves is 90 degrees, sliding blocks are assembled in the sliding grooves, clamping plates are welded on the top sides of the sliding blocks, a first sliding plate is welded on the bottom sides of the two sliding blocks, a first rack is arranged on the inner wall of the first sliding plate, a first gear is fixedly sleeved on the rotating rod, a second rack is arranged on the inner wall of the second sliding plate, a second gear is fixedly sleeved on the rotating rod, the four groups of clamping plates are driven to clamp and fix the wheel hub simultaneously through synchronous rotation of the first gear and the second gear on the rotating rod, and the wheel hub is uniformly stressed and accurately fixed at the center of the placing plate, so that the wheel hub is positioned accurately.

Description

Hub positioning device

Technical Field

The utility model relates to the technical field of hub positioning, in particular to a hub positioning device.

Background

The wheel hub is a part of the wheel center where the axle is arranged, namely a rim or a steel ring, and when the semi-finished automobile wheel hub is welded, ground, polished and the like, the positioning device is required to clamp and fix the automobile wheel hub.

The positioning device comprises a hydraulic cylinder, a clamping plate, a workbench and other structures, and the hydraulic cylinder operates to push the clamping plate to clamp and fix the hub by placing the automobile hub on the workbench.

The positioning assembly in the existing hub positioning device adopts a plurality of independent hydraulic cylinders to independently drive a plurality of clamping plates, so that the clamping plates independently clamp and fix the hub, the phenomenon of unbalanced clamping force can occur in the positioning mode, meanwhile, deviation can occur in the positioning process, accurate positioning of the hub is difficult to achieve, and the follow-up processing of the hub is affected; therefore, a hub positioning device is proposed for the above-mentioned problems.

Disclosure of Invention

In order to make up the defects of the prior art and solve the problems existing in the prior art, the utility model provides a hub positioning device.

The technical scheme adopted for solving the technical problems is as follows: the utility model discloses a hub positioning device, which comprises a foot rest, wherein a base is arranged on the foot rest, four groups of supporting rods are arranged on the base, a placement plate is arranged on the supporting rods, four groups of sliding grooves are formed in the placement plate, the included angle between every two groups of sliding grooves is 90 degrees, a sliding block is assembled in each sliding groove, clamping plates are welded on the top side of the sliding block, the clamping plates are of arc-shaped structures, two sliding block bottom sides are welded with first sliding plates, the first sliding plates are of L-shaped structures, first racks are arranged on the inner walls of the first sliding plates, a rotating rod is arranged between the placement plate and the base at the center through a bearing in a rotating mode, a first gear is fixedly sleeved on the rotating rod, the first gear and the first sliding plates are positioned on the same horizontal plane, the first gear is meshed with first racks on two sides, connecting blocks are welded on the bottom sides of the sliding blocks, the second sliding plates are of 90 degrees, the second sliding plates and the inner walls of the first sliding plates are welded with the first sliding plates, the second racks are arranged on the inner walls of the second sliding plates, the second sliding plates are fixedly arranged on the second racks, and simultaneously, the second racks are fixedly clamped on hubs and are fixedly arranged on the hub through the second racks, and the hub positioning plate, and the hub positioning device is accurately clamped by the second racks.

Preferably, the mounting frame is welded on the bottom side of the base, the stepping motor is mounted on the mounting frame, an output shaft of the stepping motor is fixedly connected with the rotating rod, and four groups of clamping plates are driven simultaneously through one group of motors, so that resources are saved.

Preferably, two groups of first movable grooves are symmetrically formed in the bottom side of the placing plate, first sliding strips are assembled in the first movable grooves, the bottom side of each first sliding strip is fixedly connected with the first sliding plate, the first sliding strips are assembled in the first movable grooves, the fact that the upper surface of the first sliding plate is always attached to the lower surface of the placing plate is achieved, the first sliding plate is prevented from shaking in the vertical direction, and stable sliding of the first sliding plate is facilitated.

Preferably, two groups of second movable grooves are formed in the base, the included angle between the second movable grooves and the first movable grooves is 90 degrees, second sliding strips are assembled in the second movable grooves, the second sliding strips are fixedly connected with the bottom sides of the second sliding plates, the second sliding strips are assembled in the second movable grooves through the second sliding strips, the second sliding strips are kept in a horizontal state all the time, the second sliding plates are prevented from shaking, and the stability of the device is improved.

Preferably, the locating ring is arranged on the placing plate, the locating ring is positioned at the center of the placing plate, the rubber pad is arranged on the clamping plate, the hub is rapidly placed at the center of the placing plate by installing the locating ring, the rubber pad increases the friction force between the clamping plate and the hub, and the stability of the hub is improved.

The utility model has the advantages that:

1. according to the utility model, the first gear and the second gear on the rotating rod synchronously rotate, so that the four groups of clamping plates are driven to clamp and fix the hub at the same time, the hub is uniformly stressed and accurately fixed at the center of the placement plate, the hub is convenient to accurately position, the four groups of clamping plates are simultaneously driven by one group of motors, resources are conveniently saved, the first sliding strip is assembled in the first moving groove, the upper surface of the first sliding plate is always attached to the lower surface of the placement plate, the first sliding plate is prevented from shaking in the vertical direction, and the first sliding plate is beneficial to stably sliding.

2. According to the utility model, the second sliding bar is assembled in the second moving groove, so that the second sliding bar is always kept in a horizontal state, the second sliding plate is prevented from shaking, the stability of the device is improved, the hub is quickly placed at the center of the placing plate by installing the positioning ring, the friction force between the clamping plate and the hub is increased by the rubber pad, and the stability of the hub is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic perspective view of a first view;

FIG. 2 is a schematic perspective view of a drive structure of the clamping assembly;

FIG. 3 is a schematic view of a bottom perspective of the placement plate;

fig. 4 is a schematic top perspective view of the base.

In the figure: 1. a foot rest; 2. a base; 3. a support rod; 4. placing a plate; 5. a chute; 6. a slide block; 7. a clamping plate; 8. a first sliding plate; 9. a first rack; 10. a rotating lever; 11. a first gear; 12. a connecting block; 13. a second sliding plate; 14. a second rack; 15. a second gear; 16. a mounting frame; 17. a stepping motor; 18. a first moving groove; 19. a first slider bar; 20. a second moving groove; 21. a second slider; 22. a positioning ring; 23. and a rubber pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a hub positioning device comprises a foot rest 1, a base 2 is installed on the foot rest 1, four groups of support rods 3 are installed on the base 2, a placing plate 4 is installed on the support rods 3, four groups of sliding grooves 5 are formed in the placing plate 4, an included angle between each two groups of sliding grooves 5 is 90 degrees, a sliding block 6 is assembled in each sliding groove 5, a clamping plate 7 is welded on the top side of each sliding block 6, each clamping plate 7 is of an arc-shaped structure, a first sliding plate 8 is welded on the bottom side of each sliding block 6, the first sliding plate 8 is of an L-shaped structure, a first rack 9 is installed on the inner wall of each first sliding plate 8, a rotating rod 10 is installed at the center between the placing plate 4 and the base 2 through a bearing, a first gear 11 is fixedly sleeved on the rotating rod 10, the first gear 11 is positioned on the same horizontal plane as the first sliding plate 8, a connecting block 12 is welded on the bottom side of each sliding block 12, a second sliding plate 13 is welded on the bottom side of each sliding plate 12, an included angle between the second sliding plate 13 and the first sliding plate 8 is 90 degrees, a second rack 14 is installed on the inner wall of each second sliding plate 13 is welded on the second sliding plate 8, a second rack 17 is fixedly meshed with a second rack 17, and a step motor 17 is fixedly installed on the second mounting frame 16, and is fixedly meshed with the second rack 17; during operation, the locating component in the existing hub locating device adopts a plurality of independent hydraulic cylinders to independently drive a plurality of clamping plates, so that the clamping plates independently clamp and fix the hub, the phenomenon that the clamping force is unbalanced can occur in the locating mode, deviation can occur during locating, accurate locating is difficult to be performed on the hub, follow-up processing of the hub is affected, the rotating rod 10 is driven to rotate through the operation of the stepping motor 17, the first gear 11 and the second gear 15 on the rotating rod 10 synchronously rotate, the first gear 11 pushes the first rack 9, the second gear 15 pushes the second rack 14, the two groups of first sliding plates 8 and the two groups of second sliding plates 13 are simultaneously driven, the four groups of sliding blocks 6 are driven to simultaneously slide in the sliding groove 5, simultaneous driving of the four groups of clamping plates 7 is realized, the four groups of clamping plates 7 simultaneously clamp and fix the hub, the hub is stressed evenly and is accurately fixed at the center of the placing plate 4, and accurate locating of the hub is facilitated.

Referring to fig. 3-4, two sets of first moving grooves 18 are symmetrically formed on the bottom side of the placement plate 4, a first sliding bar 19 is assembled in the first moving grooves 18, the bottom side of the first sliding bar 19 is fixedly connected with the first sliding plate 8, two sets of second moving grooves 20 are formed on the base 2, the included angle between the second moving grooves 20 and the first moving grooves 18 is 90 degrees, a second sliding bar 21 is assembled in the second moving grooves 20, the second sliding bar 21 is fixedly connected with the bottom side of the second sliding plate 13, a positioning ring 22 is installed on the placement plate 4, the positioning ring 22 is located at the center of the placement plate 4, and a rubber pad 23 is installed on the clamping plate 7; during operation, in the process that the sliding bar moves, the sliding bar needs to be kept in a horizontal state all the time, the sliding bar is prevented from shaking, the first sliding bar 19 is assembled in the first moving groove 18, the second sliding bar 21 is assembled in the second moving groove 20, the first sliding plate 8 and the second sliding plate 13 are kept in a horizontal state all the time, the first sliding plate 8 and the second sliding plate 13 are prevented from shaking in the vertical direction, and stability of the device is improved.

The working principle is that the positioning component in the existing hub positioning device adopts a plurality of independent hydraulic cylinders to independently drive a plurality of clamping plates, so that the clamping plates independently clamp and fix the hub, the positioning mode can not only generate the phenomenon of unbalanced clamping force, but also generate deviation during positioning, so that the hub is difficult to accurately position, the follow-up processing of the hub is influenced, the rotating rod 10 is driven to rotate through the operation of the stepping motor 17, the first gear 11 and the second gear 15 on the rotating rod 10 synchronously rotate, the first gear 11 pushes the first rack 9, the second gear 15 pushes the second rack 14, the two groups of first sliding plates 8 and the two groups of second sliding plates 13 are simultaneously driven, the four groups of sliding blocks 6 are driven to slide in the sliding groove 5 simultaneously, the four groups of clamping plates 7 are driven simultaneously, the four groups of clamping plates 7 clamp and fix the hub simultaneously, the hub is stressed evenly and is fixed at the center of the placement plate 4 accurately, the hub is positioned accurately, the sliding bars are required to be kept in a horizontal state all the time in the moving process of the sliding bars, the sliding bars are prevented from shaking, the first sliding bars 19 are assembled in the first moving groove 18, the second sliding bars 21 are assembled in the second moving groove 20, the first sliding plates 8 and the second sliding plates 13 are kept in a horizontal state all the time, the shaking of the first sliding plates 8 and the second sliding plates 13 in the vertical direction is avoided, and the stability of the device is improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. The hub positioning device is characterized by comprising a foot rest (1), wherein a base (2) is arranged on the foot rest (1), four groups of supporting rods (3) are arranged on the base (2), a placing plate (4) is arranged on the supporting rods (3), four groups of sliding grooves (5) are formed in the placing plate (4), every two groups of sliding grooves (5) form an included angle of 90 degrees, a sliding block (6) is arranged in the sliding grooves (5), clamping plates (7) are welded on the top side of the sliding block (6), the clamping plates (7) are of arc-shaped structures, two sliding plates (8) are welded on the bottom side of the sliding block (6), the first sliding plates (8) are of L-shaped structures, a rotating rod (10) is arranged on the inner wall of the first sliding plate (8) in a rotating mode through a bearing, a first gear (11) is fixedly sleeved on the rotating rod (10), and the first gear (11) and the first sliding plates (8) are meshed with the first gear (9) on the same horizontal plane.

2. A hub positioning device as defined in claim 1, wherein: the other two sliding blocks (6) are welded on the bottom side of the connecting block (12), a second sliding plate (13) is welded on the bottom side of the connecting block (12), the included angle between the second sliding plate (13) and the first sliding plate (8) is 90 degrees, a second rack (14) is mounted on the inner wall of the second sliding plate (13), a second gear (15) is fixedly sleeved on the rotating rod (10), and the second gear (15) is meshed with the two groups of second racks (14).

3. A hub positioning device as defined in claim 1, wherein: the base (2) bottom side welding has mounting bracket (16), install step motor (17) on mounting bracket (16), step motor (17)'s output shaft and dwang (10) fixed connection.

4. A hub positioning device as defined in claim 1, wherein: two groups of first moving grooves (18) are symmetrically formed in the bottom side of the placing plate (4), first sliding strips (19) are assembled in the first moving grooves (18), and the bottom side of each first sliding strip (19) is fixedly connected with the corresponding first sliding plate (8).

5. A hub positioning device as defined in claim 1, wherein: two groups of second movable grooves (20) are formed in the base (2), the included angle between each second movable groove (20) and each first movable groove (18) is 90 degrees, a second sliding strip (21) is assembled in each second movable groove (20), and the second sliding strips (21) are fixedly connected with the bottom side of the second sliding plate (13).

6. A hub positioning device as defined in claim 1, wherein: the locating ring (22) is arranged on the placing plate (4), the locating ring (22) is located at the center of the placing plate (4), and the rubber pad (23) is arranged on the clamping plate (7).