CN214686146U

CN214686146U - Clamping fixture for automobile hub maintenance

Info

Publication number: CN214686146U
Application number: CN202120548587.5U
Authority: CN
Inventors: 徐亚龙; 任鹏; 陈阳阳; 尹姣姣; 程文浩
Original assignee: Xuchang Electric Vocational College
Current assignee: Xuchang Electric Vocational College
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-11-12
Anticipated expiration: 2031-03-17

Abstract

The utility model relates to the technical field of auto repair, specifically be a clamping fixture is used in automobile wheel hub maintenance, including the processing platform, be provided with fixture on the processing platform, fixture includes three group's stands, the equal fixedly connected with preforming of three group's stands, the inside cavity of having seted up of processing platform, be equipped with drive arrangement in the cavity, drive arrangement includes driven rack, the straight-teeth gear, ring gear and driving rack, and the periphery of ring gear has cup jointed annular guide holder, the fixed setting of annular guide holder is on the diapire of cavity, three group's rectangle guide holders have been erect to annular guide holder upper end, equal slidable mounting has driven rack on every group rectangle guide holder, a set of straight-teeth gear is all connected in the meshing of every group driven rack, the stand stretches into the driven rack of equal fixed connection in the cavity. Through utilizing the fine wheel hub that compresses tightly of three groups' preforming, avoid wheel hub to take place axial rotation or radial movement, provide fine operating condition for follow-up maintenance device.

Description

Clamping fixture for automobile hub maintenance

Technical Field

The utility model relates to an auto repair technical field specifically is a clamping anchor clamps are used in automobile wheel hub maintenance.

Background

The automobile hub is an important component of automobile parts, the hub industry gradually develops and grows along with the growth of the automobile parts industry in China, and hubs in the market can be divided into steel hubs and alloy hubs according to materials and have various advantages and disadvantages. The hub is positioned, so that the hub is guaranteed to have a correct machining position on the clamp, and the hub machining can be guaranteed to meet the technical requirements specified by various working procedures.

The hub is guaranteed to be correctly machined on the clamp in the installation process, the existing hub clamp is single in function and poor in overall flexibility, cannot be suitable for clamping hubs with different sizes, and is insecure in clamping and easy to damage workpieces.

In view of this, we propose a clamping fixture for automobile hub maintenance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping anchor clamps are used in automobile wheel hub maintenance to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a clamping fixture for maintaining an automobile hub comprises a processing platform, wherein a clamping mechanism is arranged on the processing platform and comprises three groups of stand columns distributed in a ring-shaped array, the three groups of stand columns are driven by a driving device and perform linear motion on the processing platform, pressing sheets are fixedly connected to the three groups of stand columns, a cavity is formed in the processing platform, the driving device is arranged in the cavity and comprises a driven rack, a straight gear, an inner gear ring and a driving rack, the inner gear ring is arranged at the lower end of the driven rack, an annular guide seat is sleeved on the periphery of the inner gear ring and fixedly arranged on the bottom wall of the cavity, three groups of rectangular guide seats distributed in the ring-shaped array are erected at the upper end of the annular guide seat, a driven rack is slidably arranged on each group of rectangular guide seats, each group of driven racks is meshed with a group of straight gears, the straight gears are synchronously meshed with the inner gear ring, the stand column stretches into the cavity and is fixedly connected with the driven rack.

Preferably, the processing platform is located the left side below of cavity and has seted up movable chamber, and movable intracavity slidable mounting has the initiative rack, and initiative rack one end is connected with a set of spur gear meshing, and the initiative rack other end fixed connection telescopic link, the constant head tank that the multiunit is linear distribution is seted up to movable chamber left end both sides.

Preferably, the telescopic link is inside to be seted up the rectangle cavity, is equipped with locating component in the rectangle cavity, and locating component includes fixture block, V-arrangement shell fragment and well core rod, and well core rod is fixed to be laminated at the bent angle internal face of V-arrangement shell fragment, and a set of fixture block of the equal fixed connection of two tip of V-arrangement shell fragment, the one end that V-arrangement shell fragment was kept away from to the fixture block is pegged graft in the constant head tank.

Preferably, the left side of telescopic link is equipped with the fluting, and slidable mounting has T shape dog in the fluting, and the right side fixed connection spring of dog, the both sides of spring all are equipped with a set of layering, layering one end fixed connection dog, and the layering other end stretches into the rectangle cavity and contradicts on the bent angle outer wall of V-arrangement shell fragment.

Compared with the prior art, the beneficial effects of the utility model are that:

1. utilize the repulsion effect between the first magnetite of same name and the second magnetite, can conflict the putty in the hourglass material mouth steadily, guarantee the leakproofness of cavity bottom when normally intaking, use through setting up sealed piece and the cooperation of S-shaped shell fragment, can play sealed effect to the wearing groove to avoid the solution in the cavity to enter into in the rectangle recess.

2. The utility model has the advantages of, utilize the filter screen can treat the detection water sample and carry out filtration treatment, intercept impurity such as silt that wherein carry, avoid getting into the detection container, influence the testing result. And will sweep the impurity via the filter screen interception through the scraper blade and concentrate in storing up the sediment groove, convenient and fast.

1. Through the tension that utilizes V-arrangement shell fragment self acts on the fixture block for the fixture block is inserted and is established in one of them a set of constant head tank, realizes the spacing fixed of telescopic link, and cooperatees with the fixture block through selective use constant head tank, can carry out multistage spacing and in time fixed to the telescopic link, thereby be convenient for adjust the position of preforming and stand according to wheel hub's size, and application scope is wide.

2. The utility model discloses novel structure, reasonable in design, easily operation is used through setting up driven rack, straight-teeth gear, ring gear and initiative rack and the cooperation of three stands of group, can make the fine wheel hub that compresses tightly of three group's preforming, avoids wheel hub to take place axial rotation or radial movement, provides fine operation condition for follow-up maintenance device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a view of the present invention;

fig. 3 is an enlarged schematic view of the area a in fig. 2.

In the figure: the processing platform comprises a processing platform 1, a cavity 101, a pressing sheet 2, an upright post 3, a driven rack 4, a straight gear 5, an inner gear ring 6, a rectangular guide seat 7, an annular guide seat 8, a driving rack 9, a positioning groove 10, an expansion link 11, a clamping block 12, a V-shaped elastic sheet 13, a central rod 14, a pressing strip 15, a clamping block 16 and a spring 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides an automobile wheel hub maintenance is with clamping fixture, includes processing platform 1, is provided with fixture on the processing platform 1, and fixture includes three group's stands 3 that are the ring type array and distribute, and three group's stands 3 are driven by drive arrangement and carry out linear motion on processing platform 1, and the equal fixedly connected with preforming 2 of three group's stands 3, preforming 2 are the arc preforming. Cavity 101 has been seted up to processing platform 1 inside, be equipped with drive arrangement in cavity 101, drive arrangement includes driven rack 4, straight-teeth gear 5, ring gear 6 and driving rack 9, ring gear 6 sets up the lower extreme at driven rack 4, and ring-shaped guide holder 8 has been cup jointed to ring gear 6's periphery, ring-shaped guide holder 8 is fixed to be set up on the diapire of

cavity

101, 8 upper ends of ring-shaped guide holder erect three groups and be the rectangle guide holder 7 that the ring type array distributes, equal slidable mounting has driven rack 4 on every group rectangle guide holder 7, a set of straight-teeth gear 5 is all connected in the meshing of every group driven rack 4, straight-teeth gear 5 synchromesh ring gear 6, equal fixed connection driven rack 4 in the cavity 101 is stretched into to stand 3. Straight-teeth gear 5 rotates through the pivot and installs in cavity 101, and wherein the bottom of a set of straight-teeth gear 5 extends to the activity intracavity and meshes with initiative rack 9 mutually, and three sets of straight-teeth gear 5 turn to under the drive of interior ring gear 6 and form unanimously to make three sets of driven rack 4 drive three sets of stands 3 in proper order and carry out synchronous linear motion.

As shown in fig. 2 and 3, the processing platform 1 is located at the left lower side of the cavity 101 and has been provided with a movable cavity, the movable cavity is internally and slidably provided with a driving rack 9, one end of the driving rack 9 is meshed with a set of spur gear 5 and is connected with a telescopic rod 11 fixedly connected to the other end of the driving rack 9, and a plurality of sets of positioning grooves 10 which are linearly distributed are provided at both sides of the left end of the movable cavity. Drive the initiative rack 9 through handheld telescopic link 11 and stretch into the activity intracavity, initiative rack 9 acts on one of them a set of straight-teeth gear 5 and makes it carry out clockwise rotation, and under the drive of ring gear 6 in, make other two sets of straight-teeth gear 5 carry out clockwise rotation equally, and straight-teeth gear 5 acts on driven rack 4 again, make driven rack 4 drive three group's stands 3 and carry out the straight line and move to the heart, thereby make three group's preforming and can compress tightly wheel hub well, avoid wheel hub to take place axial rotation or radial movement, provide fine operation basis for follow-up maintenance device.

As shown in fig. 3, a rectangular cavity is formed in the telescopic rod 11, a positioning assembly is arranged in the rectangular cavity, the positioning assembly comprises a clamping block 12, a V-shaped elastic sheet 13 and a central rod 14, the central rod 14 is fixedly attached to the inner wall surface of a corner of the V-shaped elastic sheet 13, two end portions of the V-shaped elastic sheet 13 are fixedly connected with a set of clamping block 12, and one end, far away from the V-shaped elastic sheet 13, of the clamping block 12 is inserted into the positioning groove 10. Utilize the tension of V-arrangement shell fragment 13 self to act on fixture block 12 for fixture block 12 is inserted and is established in one of them a set of constant head tank 10, realizes the spacing fixed of telescopic link 11, and uses constant head tank 10 and fixture block 12 through the selectivity and cooperatees, can carry out multistage spacing and in time fixed to telescopic link 11, thereby be convenient for adjust the position of preforming 2 and stand 3 according to wheel hub's size, and application scope is wide.

As shown in fig. 3, a slot is formed in the left side of the telescopic rod 11, a T-shaped stop block 16 is slidably mounted in the slot, a spring 17 is fixedly connected to the right side of the stop block 16, a set of pressing strips 15 are arranged on both sides of the spring 17, one end of each pressing strip 15 is fixedly connected to the stop block 16, and the other end of each pressing strip 15 extends into the rectangular cavity and abuts against the outer wall of a corner of the V-shaped elastic piece 13. Through pressing the stop block 16, the stop block 16 is stressed to extrude the spring 17 and drive the pressing strip 15 to extend into the rectangular cavity, the pressing strip 15 acts on the V-shaped elastic sheet 13 again, the V-shaped elastic sheet 13 is stressed to contract inwards to drive the clamping block 12 to be drawn out from the positioning groove 10, and the normal movement of the telescopic rod 11 can be realized at the moment.

The working principle is as follows: in practical use, firstly, the hub is placed in the middle of the processing platform 1, then the stop block 16 is pressed, the stop block 16 is stressed to extrude the spring 17 and drive the pressing strip 15 to extend into the rectangular cavity, the pressing strip 15 acts on the V-shaped elastic sheet 13, the V-shaped elastic sheet 13 is stressed to contract inwards, so that the clamping block 12 is driven to be drawn out of the positioning groove 10, and at the moment, the normal movement of the telescopic rod 11 can be realized; then drive the initiative rack 9 through handheld telescopic link 11 and stretch into the activity intracavity, the initiative rack 9 acts on one of them a set of straight-teeth gear 5 and makes it carry out clockwise rotation, and under the drive of interior ring gear 6, make other two sets of straight-teeth gear 5 carry out clockwise rotation equally, and straight-teeth gear 5 acts on driven rack 4 again, make driven rack 4 drive three group's stands 3 and carry out sharp centripetal movement, thereby make three group's preforming and can compress tightly wheel hub well, avoid wheel hub to take place axial rotation or radial movement, provide fine operation basis for follow-up maintenance device.

And when the telescopic link 11 drives the initiative rack 9 and outwards takes out from the activity intracavity, the initiative rack 9 acts on one of them a set of spur gear 5 and makes it carry out anticlockwise rotation, and under the drive of interior ring gear 6, make other two sets of spur gears 5 carry out anticlockwise rotation equally, and spur gear 5 acts on driven rack 4 again, make driven rack 4 drive three sets of stands 3 and carry out sharp undershirt and remove, thereby make three sets of preforming of group can loosen wheel hub, be convenient for take or place wheel hub.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automobile wheel hub maintenance is with clamping anchor clamps, includes processing platform (1), its characterized in that: the processing platform (1) is provided with a clamping mechanism, the clamping mechanism comprises three groups of upright columns (3) distributed in an annular array, the three groups of upright columns (3) are driven by a driving device and perform linear motion on the processing platform (1), the three groups of upright columns (3) are all fixedly connected with a pressing sheet (2), a cavity (101) is formed in the processing platform (1), the driving device is arranged in the cavity (101), the driving device comprises a driven rack (4), a straight gear (5), an inner gear ring (6) and a driving rack (9), the inner gear ring (6) is arranged at the lower end of the driven rack (4), an annular guide seat (8) is sleeved on the periphery of the inner gear ring (6), the annular guide seat (8) is fixedly arranged on the bottom wall of the cavity (101), three groups of rectangular guide seats (7) distributed in the annular array are erected at the upper end of the annular guide seat (8), all slidable mounting has driven rack (4) on every group rectangle guide holder (7), and every group driven rack (4) all meshes and connects a set of straight-teeth gear (5), straight-teeth gear (5) synchromesh ring gear (6), and equal fixed connection driven rack (4) in cavity (101) are stretched into in stand (3).

2. The clamping fixture for automobile hub maintenance according to claim 1, characterized in that: processing platform (1) is located the left side below of cavity (101) and has seted up movable chamber, and movable intracavity slidable mounting has initiative rack (9), and initiative rack (9) one end is connected with a set of straight-teeth gear (5) meshing, and initiative rack (9) other end fixed connection telescopic link (11), and movable chamber left end both sides are seted up the multiunit and are constant head tank (10) that the linear distribution.

3. The clamping fixture for automobile hub maintenance according to claim 2, characterized in that: the utility model discloses a V-shaped spring piece, including telescopic link (11), locating component, well core rod (14), V-shaped spring piece (13), locating component includes fixture block (12), V-arrangement spring piece (13) and well core rod (14), well core rod (14) fixed laminating in the bent angle internal face of V-arrangement spring piece (13), a set of fixture block (12) of equal fixed connection of two tip of V-arrangement spring piece (13), the one end that V-arrangement spring piece (13) was kept away from in fixture block (12) is pegged graft in constant head tank (10).

4. The clamping fixture for automobile hub maintenance according to claim 3, characterized in that: the left side of telescopic link (11) is equipped with the fluting, and slidable mounting has T shape dog (16) in the fluting, the right side fixed connection spring (17) of dog (16), and the both sides of spring (17) all are equipped with a set of layering (15), layering (15) one end fixed connection dog (16), and layering (15) other end stretches into the rectangle cavity and contradicts on the bent angle outer wall of V-arrangement shell fragment (13).