CN222831234U - Positioning device for inner ring of hub - Google Patents

Abstract

The utility model discloses a wheel hub inner ring positioning device, which is characterized by comprising a base and a fixed platform arranged on the upper part of the base, a plurality of sliding grooves are provided on the upper part of the fixed platform, a movable block and a clamping block are arranged in the sliding grooves, the movable block is located outside the clamping block, a spring is connected between the movable block and the clamping block, a threaded seat is arranged at a position corresponding to the sliding groove on the outer periphery of the fixed platform, and an adjusting screw is connected to the inner thread of the threaded seat. The utility model can effectively position and fix the wheel hub inner ring.

Description

Positioning device for inner ring of hub

Technical Field

The utility model relates to the technical field of positioning tools, in particular to a positioning device for an inner ring of a hub.

Background

The inner ring of the hub is an important component of the hub, and during the production and manufacture of the hub, secondary machining, such as reaming, deburring and the like, is generally required for a plurality of bolt holes on the inner ring of the hub. The traditional processing method is to use a positioning shaft on a workbench to be inserted into a central hole of a hub, and then use a locking nut to be screwed on the positioning shaft to position and clamp the hub. Because the bolt hole just distributes beside the centre bore, when handling the bolt hole, the locating shaft can cause the influence in the course of working. Thus, there is a need to improve upon existing positioning and securing means.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a positioning device for an inner ring of a hub.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a positioner of wheel hub inner circle, includes the base and sets up the fixed station on base upper portion, a plurality of sliding tray have been seted up on fixed station upper portion, be provided with movable block and clamp splice in the sliding tray, the movable block is located the outside of clamp splice, be connected with the spring between movable block and the clamp splice, the fixed station periphery is provided with the screw thread seat with the corresponding position of sliding tray, screw thread seat internal thread connection has adjusting screw, adjusting screw outer end is connected with the hand wheel, adjusting screw inner stretches into in the sliding tray and rotates with the movable block to be connected.

Preferably, inclined surfaces are provided on the inner and outer sides of the upper portion of the clamp block.

Preferably, the mounting ring is arranged on the upper portion of the fixing table, the toothed ring is rotatably arranged in the mounting ring, the support frame is arranged at the position, located outside the mounting ring, of the fixing table, the screw rod is rotatably connected between the support frame and the fixing table, the screw rod is provided with a screw rod nut block, a pressing block is arranged on the screw rod nut block, the screw rod is connected with a driven gear, the driven gear is meshed with the toothed ring, the driving motor is arranged on the upper portion of the fixing table, the driving motor is in driving connection with the driving gear, and the driving gear is meshed with the toothed ring.

Preferably, the screw nut block is connected with the pressing block through a fixing bolt, and the fixing bolt penetrates through the pressing block and the screw nut block.

Preferably, the pressing block is provided with a through hole, a fixed pin is inserted in the through hole, and the screw nut block is provided with a first fixed hole and a second fixed hole which are matched with the fixed pin.

Preferably, the plurality of sliding grooves are uniformly distributed on the fixed table.

Preferably, the number of the sliding grooves is at least three.

Compared with the prior art, the clamping device has the beneficial effects that the inner rings of the hubs with different diameters can be fixed, and the inner sides or the outer sides of the inner rings of the hubs can be clamped and fixed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 2 at A;

FIG. 4 is a schematic diagram showing the cooperation of the press block and the screw nut block in the present utility model;

fig. 5 is a second schematic diagram of the cooperation of the press block and the screw nut block in the present utility model.

The device comprises the following components of a base, a fixed table, a sliding groove, a movable block, a clamping block, a spring, a 7, an inclined surface, an 8, an adjusting screw, a 9, a screw seat, a 10, a hand wheel, an 11, a mounting ring, a 12, a toothed ring, a13, a supporting frame, a 14, a screw rod, a 15, a screw rod nut block, a 16, a pressing block, a 17, a fixing bolt, a 18, a through hole, a 19, a first fixing hole, a 20, a fixing pin, a 21, a second fixing hole, a 22, a driving gear, a 23 and a driven gear.

Detailed Description

Embodiments of the present utility model are described in detail below with reference to fig. 1-5.

The utility model provides a positioner of wheel hub inner circle, including base 1 and the fixed station 2 of setting on base 1 upper portion, base 1 is square, fixed station 2 is circular, a plurality of sliding tray 3 have been seted up on fixed station 2 upper portion, sliding tray 3 sets up according to the radial direction of fixed station 2, be provided with movable block 4 and clamp splice 5 in the sliding tray 3, clamp splice 5 can slide in sliding tray 3 along the direction of sliding tray 3, movable block 4 is located the outside of clamp splice 5, be connected with spring 6 between movable block 4 and the clamp splice 5, fixed station 2 periphery is provided with screw thread seat 9 with the corresponding position of sliding tray 3, screw thread seat 9 internal thread connection has adjusting screw 8, adjusting screw 8 outer end is connected with hand wheel 10, adjusting screw 8 inner stretches into in the sliding tray 3 and rotates with movable block 4 to be connected.

The inner ring of the hub is placed on the fixed table 2, and is clamped and fixed from the outer side or the inner side through the clamping blocks 5 under the action of the springs 6. The adjusting screw 8 is driven to rotate through the hand wheel 10, so that the position of the movable block 4 in the sliding groove 3 is adjusted, meanwhile, the movable block 4 drives the clamping block 5 to move in the sliding groove 3, and the initial position of the clamping block 5 is adjusted, so that the adjustable clamping block is applicable to fixing of inner rings of hubs with different diameters, and the application range is enlarged.

Preferably, the inner and outer sides of the upper portion of the clamping block 5 are provided with inclined surfaces 7, and the hub inner ring is guided by the inclined surfaces 7 when contacting the clamping block 5, so that the clamping block 5 is conveniently pushed to the outer side or the inner side of the hub inner ring.

Preferably, a mounting ring 11 is arranged on the upper portion of the fixed table 2, a toothed ring 12 is rotationally arranged on the mounting ring 11, a supporting frame 13 is arranged at a position, located outside the mounting ring 11, on the fixed table 2, a screw rod 14 is rotationally connected between the supporting frame 13 and the fixed table 2, a screw rod nut block 15 is arranged on the screw rod 14, a pressing block 16 is arranged on the screw rod nut block 15, a driven gear 23 is connected on the screw rod 14, the driven gear 23 is meshed with the toothed ring 12, a driving motor is arranged on the upper portion of the fixed table 2, a driving gear 22 is connected to the driving motor in a driving mode, and the driving gear 22 is meshed with the toothed ring 12. The driving motor drives the driving gear 22 to rotate, the driving gear 22 drives the toothed ring 12 to rotate in the mounting ring 11, and the toothed ring 12 drives the engaged driven gears 23 to synchronously rotate. The driven gear 23 drives the screw rod 14 to rotate to control the screw rod nut block 15 to move downwards, so that the pressing block 16 presses on the inner ring of the hub, and the inner ring of the hub is fixed in the vertical direction. The sponge block, the rubber block and the like can be arranged at the lower part of the pressing block 16 to avoid direct contact between the pressing block 16 and the inner ring of the hub, so that the inner ring of the hub is protected and prevented from being crushed.

Preferably, the lead screw nut block 15 and the pressing block 16 are connected through a fixing bolt 17, and the fixing bolt 17 is arranged through the pressing block 16 and the lead screw nut block 15. The pressing block 16 and the screw nut block 15 are relatively fixed by the fixing bolt 17, so that the relative position between the pressing block 16 and the screw nut block 15 can be adjusted when the fixing bolt 17 is unscrewed. When the inner ring of the hub is placed and taken down on the fixed table 2, the pressing block 16 can be rotated to be perpendicular to the screw nut block 15, so that the pressing block 16 is prevented from affecting the taking of the inner ring of the hub.

Preferably, the pressing block 16 is provided with a through hole 18, a fixed pin 20 is inserted in the through hole 18, the screw nut block 15 is provided with a first fixed hole 19 and a second fixed hole 21 which are matched with the fixed pin 20, and an included angle between the second fixed hole 21 and the first fixed hole 19 is 90 degrees. When the pressing block 16 and the screw nut block 15 are in a straight line, the fixing pin 20 is inserted into the first fixing hole 19 through the through hole 18 to limit the pressing block 16 and the screw nut block 15. When the pressing block 16 and the screw nut block 15 are perpendicular to each other, the fixing pin 20 passes through the through hole 18 and is inserted into the second fixing hole 21 to limit the pressing block 16 and the screw nut block 15.

Preferably, the plurality of sliding grooves 3 are uniformly distributed on the fixed table 2, and at least three sliding grooves 3 are arranged, so that the centering of the clamping blocks 5 on the inner ring of the hub is realized, and the positioning of the inner ring of the hub is more accurate.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (7)

1. The positioning device for the inner ring of the hub is characterized by comprising a base (1) and a fixed table (2) arranged on the upper portion of the base (1), wherein a plurality of sliding grooves (3) are formed in the upper portion of the fixed table (2), movable blocks (4) and clamping blocks (5) are arranged in the sliding grooves (3), the movable blocks (4) are positioned on the outer sides of the clamping blocks (5), springs (6) are connected between the movable blocks (4) and the clamping blocks (5), threaded seats (9) are arranged at positions, corresponding to the sliding grooves (3), of the periphery of the fixed table (2), adjusting screws (8) are connected with inner threads of the threaded seats, the outer ends of the adjusting screws (8) are connected with hand wheels (10), and the inner ends of the adjusting screws (8) extend into the sliding grooves (3) and are connected with the movable blocks (4) in a rotating mode.

2. The positioning device for the inner ring of the hub according to claim 1, wherein inclined surfaces (7) are arranged on the inner side and the outer side of the upper portion of the clamping block (5).

3. The positioning device of the inner ring of the hub according to claim 1, wherein a mounting ring (11) is arranged on the upper portion of the fixed table (2), a toothed ring (12) is rotationally arranged on the mounting ring (11), a supporting frame (13) is arranged on the fixed table (2) and positioned on the outer side of the mounting ring (11), a screw rod (14) is rotationally connected between the supporting frame (13) and the fixed table (2), a screw rod nut block (15) is arranged on the screw rod (14), a pressing block (16) is arranged on the screw rod nut block (15), a driven gear (23) is connected on the screw rod (14), the driven gear (23) is meshed with the toothed ring (12), a driving motor is arranged on the upper portion of the fixed table (2), and a driving gear (22) is in driving connection with the driving motor, and the driving gear (22) is meshed with the toothed ring (12).

4. A positioning device for an inner ring of a hub according to claim 3, wherein the lead screw nut block (15) and the pressing block (16) are connected by a fixing bolt (17), and the fixing bolt (17) is arranged through the pressing block (16) and the lead screw nut block (15).

5. The positioning device of the inner ring of the hub according to claim 4, wherein the pressing block (16) is provided with a through hole (18), a fixing pin (20) is inserted into the through hole (18), and the screw nut block (15) is provided with a first fixing hole (19) and a second fixing hole (21) which are matched with the fixing pin (20).

6. A positioning device for an inner ring of a hub according to claim 1, wherein a plurality of said sliding grooves (3) are uniformly distributed on the stationary table (2).

7. A positioning device for an inner ring of a hub according to claim 6, wherein at least three sliding grooves (3) are provided.