CN115156957A - A wheel hub processing fixture with adjustment function - Google Patents

Abstract

The invention provides a wheel hub processing fixture with an adjustment function, which includes a base, which is used to support the entire processing fixture; a support shaft, one end of which is arranged at the center of the base, and a threaded part and a connection part are preset on the upper part in sequence; The block is sleeved on the outer end of the threaded part and is threadedly connected with the threaded part; the air bag ring is wrapped in a predetermined part of the connecting part, and its surface is provided with an inflatable port and a deflation port, which is connected to the center of the wheel during the inflation process. The inner walls of the holes are in contact with each other; the ring is hinged above the limit block through the hinge assembly; the four sets of sliding components are symmetrically arranged inside the ring, and the edge of the wheel base of different sizes is adjusted during the upper and lower limit movement of the limit block. For clamping, in the present invention, an airbag ring is provided on the connecting part, the airbag ring is inflated, the center holes of the wheel bases of different wheel bases are clamped, and the limit block moves up and down, thereby driving the four parts in the sliding assembly. Synchronous movement of the group of sliders to clamp the edges of wheel hubs of different sizes.

Description

A wheel hub processing fixture with adjustment function

technical field

The invention belongs to the technical field of wheel hub processing, and particularly relates to a wheel hub processing fixture with an adjustment function.

Background technique

As shown in Figure 1, the wheel shaft needs to be clamped by a fixture during the processing, and then the corresponding processing is carried out. However, the applicant encountered the following problems in the implementation process: the existing fixture can only be based on specific The model (that is, the specific size) is processed correspondingly, that is, a fixture can only meet the processing of a certain size segment. When processing the wheel base of other size segments, the fixture needs to be replaced. After the fixture is replaced, debugging and preliminary samples are required. In order to ensure the availability of the replaced fixtures, this method takes a long time to replace the fixtures, generally several hours to half a day, thus affecting the production efficiency; there is also a solution that requires multiple machine tools, and each machine tool has different However, the problem caused by this method is: the cost of the machine tool needs to be invested, and when processing a specified size, only the machine tool corresponding to the size segment is running, and other machine tools are in the state of shutdown and unprocessed, resulting in waste of resources. On this basis, the applicant provides a wheel hub processing fixture, which has a quick adjustment function, so as to satisfy the wheel hub machining of different sizes.

SUMMARY OF THE INVENTION

purpose of invention

In view of the above technical problems, the present invention provides a wheel hub processing fixture with an adjustment function to solve the technical problems mentioned in the background art.

Technical solutions

In order to achieve the above purpose, the technical solution provided by the present invention is: a wheel hub processing fixture with an adjustment function, the fixture comprises:

a base, which is used to support the entire processing fixture;

a support shaft, one end of which is arranged at the center of the base, and a threaded part and a connecting part are preset in sequence above the support shaft;

a limit block, which is sleeved on the outer end of the threaded portion and is threadedly connected with the threaded portion;

an air bag ring, which is wrapped in a predetermined part of the connecting part, and has an inflation port and a deflation port on its surface, which abuts against the inner wall of the center hole of the wheel hub during the inflation process;

a circular ring, which is hinged above the limit block through a hinge assembly;

Four sets of sliding components are symmetrically arranged inside the ring, and they clamp the edges of the wheel bases of different sizes during the upper and lower limit movement of the limit block.

A further improvement is that: a plurality of sliding bars are further included, and two ends of the plurality of sliding bars are respectively arranged on the base and the limiting block.

A further improvement is that: the sliding assembly includes

The chute is symmetrically arranged in the ring;

a slider, which is slidably arranged in the chute;

The limit wheel, which is arranged at the end of the slider, clamps the edge of the wheel base when the slider moves in the chute.

A further improvement is that: the sliding groove is provided with a protrusion, and the sliding block is provided with a clamping groove which is matched with the protrusion.

A further improvement is that: the hinge assembly includes four sets of hinge pieces symmetrically arranged on the surface of the limit block, one end of each set of hinge pieces is hinged on the limit block, and the other end of the hinge piece is hinged on the bottom of the corresponding slider, at the limit block. During the up-and-down movement of the block, the hinge pushes the slider to perform corresponding expansion and contraction in the corresponding chute, thereby clamping the edges of the wheel hubs of different sizes.

A further improvement is that: the limiting block is provided with a first hinge seat corresponding to the hinge member.

A further improvement is that: the bottom of the slider is provided with a second hinge seat corresponding to the hinge.

beneficial effect

Compared with the prior art, the technical scheme provided by the present invention has the following beneficial effects:

The invention is simple in structure and convenient in operation. The support shaft is provided with a threaded portion and a connecting portion in sequence, and an air bag ring is arranged on the connecting portion to inflate the air bag ring, thereby clamping the center holes of the wheel hubs of different hubs. And by setting a limit block on the connecting part, a ring is arranged on the top of the limit block, and a sliding component is arranged in the ring. , so as to clamp the edges of wheel hubs of different sizes. This double clamping method makes the machining process of hub hubs more stable.

Description of drawings

1 is a schematic diagram of the structure of the wheel hub of the present invention;

Fig. 2 is the structural representation of the present invention;

Fig. 3 is the structural schematic diagram of the connection relationship of the support shaft of the present invention;

4 is a schematic diagram of the clamping process between the sliding assembly and the wheel hub according to the present invention;

Fig. 5 is the partial structural schematic diagram of Fig. 4 of the present invention;

FIG. 6 is a schematic structural diagram of the sliding assembly of the present invention.

reference number

1-base; 2-support shaft; 21-thread part; 22-connection part; 3-limiting block; 4-airbag ring; 5-hinge assembly; Two hinged seats; 6-Sliding assembly; 61-Slide slot; 62-Slide block; 63-Limiting wheel; 64-Bulge;

Detailed ways

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Back, Left, Right, Vertical, Horizontal, Page, Bottom, Inside, Outside, Clockwise, Counterclockwise, Coaxial, The orientation or positional relationship indicated by "bottom", "one end", "top", "the other end", "one side", "front", "both ends", "both sides", etc. are based on those shown in the drawings. The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with" and other terms should be understood in a broad sense, for example, it may be a fixed connection, or It can be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Example 1

1-6, the present embodiment discloses a wheel hub processing fixture with an adjustment function, the fixture includes a base 1, which is used to support the entire processing fixture;

One end of the support shaft 2 is arranged at the center of the base 1 , and a screw portion 21 and a connecting portion 22 are preset on the top of the support shaft 2 in sequence;

The limiting block 3 is sleeved on the outer end of the threaded portion 21 and is threadedly connected with the threaded portion 21;

Wherein, there is no specific requirement for the specific structure and formation of the limiting block 3 , and an internal thread is provided inside the stopper block 3 , and it only needs to be matched with the thread provided on the outside of the threaded portion 21 .

The airbag ring 4 is wrapped in a predetermined part of the connecting part 22, and its surface is provided with an inflation port and a deflation port, which abuts against the inner wall of the center hole of the wheel hub during the inflation process;

Among them, the material of the airbag ring 4 is made of polymer material, such as polyamide fabric, and the interior of which is coated with a coating.

a circular ring, which is hinged above the limit block 3 through the hinge assembly 5;

The four sets of sliding components 6 are symmetrically arranged inside the ring 7 , which clamp the edges of the wheel hubs of different sizes during the upper and lower limit movement of the limit block 3 .

Specifically, as shown in FIG. 2 , this embodiment further includes a plurality of sliding rods 8 , and both ends of the plurality of sliding rods 8 are respectively disposed on the base 1 and the limit block 3 , wherein the sliding rods 8 are equivalent to telescopic The rod structure plays a certain limiting role during the up and down movement of the limit block 3, that is, it can limit the movement of the limit block 3, and can also assist the limit block 3 in supporting. In the middle, a plurality of sliding bars are added between the limit block 3 and the ring 7 to achieve its support stability.

Wherein, at the bottom of the limit block 3, an electric push rod or a cylinder push rod can be used to push the limit block 3, so that the operation process is more convenient.

Specifically, as shown in Figures 4-6, the sliding assembly 6 includes

The chute 61 is symmetrically arranged in the ring 7;

The slider 62 is slidably arranged in the chute 61;

The limiting wheel 63, which is arranged at the end of the slider 62, clamps the edge of the wheel hub when the slider moves in the chute.

Specifically, as shown in FIG. 6 , the sliding groove 61 is provided with a protrusion 64 , and the sliding block 62 is provided with a clamping groove 65 which is adapted to the protrusion 64 . The protrusions 64 can be provided with two groups. Therefore, the corresponding card slots 65 are arranged in two groups, so that the position limit and stability are better during use, and the slider 62 is slidably arranged in the chute 61, which also limits the up and down movement of the limit block 3. bit effect.

Specifically, as shown in FIGS. 2-3 , the hinge assembly 5 includes four sets of hinge members 51 symmetrically arranged on the surface of the limit block 3 . One end of each set of hinge members 51 is hinged on the limit block 3 , and the other end is hinged on the limit block 3 . Corresponding to the bottom of the slider 62, during the up and down movement of the limit block 3, the hinge 51 pushes the slider 62 to perform corresponding telescopic sliding in the corresponding chute 61, thereby clamping the edges of the wheel hubs of different sizes. The limiting block 3 is provided with a first hinge seat 52 corresponding to the hinge member 51 , and the bottom of the slider 62 is provided with a second hinge seat 53 corresponding to the hinge member 51 .

During the operation, the to-be-processed wheel hub is placed in the ring 7, and the center hole of the wheel hub is sleeved on the outside of the air bag ring 4. At this time, the air bag ring 4 is slowly inflated. When the air bag ring 4 touches the center of the wheel hub. After the hole is filled, continue to inflate until the airbag ring 4 is clamped with the center hole of the wheel base;

At this time, by moving the limit block 3, because the limit block 3 is threadedly connected with the threaded portion 21, and the bottom of the limit block 3 is provided with a plurality of sliding rods 8, and the sliding block 62 is limited to slide in the sliding groove 61. Under the limit, the limit block 3 will move up and down. At the same time, during the up and down movement of the limit block 3, the hinge 51 drives the corresponding slider 62 to move under the drive of the limit block 3, and the slider 62 restricts the movement. The position slides in the chute 61, so that the limit wheel 63 provided at the end of the slider 62 clamps the edge of the wheel hub, so it is suitable for machining hub hubs of different sizes.

The above-mentioned embodiment only expresses a certain embodiment of the present invention, and its description is more specific and detailed, but it should not be construed as a limitation on the scope of the patent of the present invention; it should be pointed out that for those of ordinary skill in the art Said that, on the premise of not departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention; therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (7)

1. A wheel hub that possesses regulatory function adds clamping apparatus, its characterized in that, this anchor clamps include

A base for supporting the entire machining jig;

one end of the support shaft is arranged at the center of the base, and a threaded part and a connecting part are preset above the support shaft in sequence;

the limiting block is sleeved at the outer end of the threaded part and is in threaded connection with the threaded part;

the airbag ring wraps the preset part of the connecting part, and the surface of the airbag ring is provided with an inflation port and a deflation port which are abutted against the inner wall of the hub center hole in the inflation process;

the circular ring is hinged above the limiting block through a hinge assembly;

four groups of sliding assemblies are symmetrically arranged in the circular ring and used for clamping hub edges of different sizes in the up-and-down limiting movement process of the limiting block.

2. The vessel for processing vessel of perseveration with adjusting function as claimed in claim 1, wherein: the sliding rod mechanism is characterized by further comprising a plurality of sliding rods, and two ends of the plurality of sliding rods are arranged on the base and the limiting block respectively.

3. The vessel for processing a boss with an adjusting function according to claim 1, wherein: the sliding component comprises

The sliding chutes are symmetrically arranged in the circular ring;

the sliding block is arranged in the sliding groove in a sliding manner;

and the limiting wheel is arranged at the tail end of the sliding block and clamps the edge of the persevered in the moving process of the sliding block in the sliding groove.

4. The vessel for processing vessel of perseveration with adjusting function as claimed in claim 3, wherein: be equipped with the arch in the spout, just be equipped with on the slider with the draw-in groove of protruding looks adaptation.

5. The vessel for processing vessel of perseveration with adjusting function as claimed in claim 1, wherein: the articulated components include that the symmetry sets up four groups of articulated elements on the stopper surface, and the one end of every group articulated elements articulates on the stopper, and its other end articulates in the bottom that corresponds the slider, reciprocates the in-process at the stopper, and the articulated elements promotes the slider and carries out the flexible that corresponds in the spout that corresponds to press from both sides tightly the hub of different sizes edge.

6. The vessel for processing vessel of perseveration with adjusting function as claimed in claim 5, wherein: the limiting block is provided with a first hinge seat corresponding to the hinge piece.

7. The vessel for processing vessel of perseveration with adjusting function as claimed in claim 5, wherein: and a second hinge seat corresponding to the hinge joint is arranged at the bottom of the sliding block.

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