CN214133606U - Rim forming equipment - Google Patents

Abstract

The utility model provides rim forming equipment, which comprises an upper module, a lower module and an actuating mechanism; the lower die set comprises a core die and an outer shrinkage block; the plurality of outer contraction blocks are uniformly distributed on the circumferential direction of the rim blank; the outer contraction block is movably arranged outside the rim blank in the radial direction of the rim blank, and the core die is arranged inside the rim blank; the upper die set comprises an upper die pot body and an upper die pressing plate; when the lower module moves downwards to be close to the lower module, the upper mold pot body forces the outer contraction block to move inwards in the radial direction through moving extrusion between the inner inclined plane and the outer conical working surface; and the upper die pressing plate is used for flattening the upper port edge of the rim blank. The utility model discloses degree of automation is high, accomplishes in step a plurality of processes in the past in, and is efficient, and rim shaping precision is high.

Description

Rim forming equipment

Technical Field

The utility model belongs to the technical field of the vehicle parts processing technique and specifically relates to a rim former is related to.

Background

At present, the development level of the wheel mold as a branch of the automobile mold reflects the development degree of the national vehicle production from one side. The wheel mould is the basis of the processing of the automobile industry, and plays a decisive role in realizing the production with high efficiency and low cost in the automobile industry. With the development and progress of society, particularly after WTO is added in China, enterprises in China actively develop the international market and participate in international competition. At present, the rim section steel used in the automobile steel ring industry is a special section steel, such as 5.50F, 6.5 and 7.50V, and has the disadvantages of poor safety and reliability, complex process, high production difficulty and high material loss. However, in recent years, the research and development of Chinese moulds are developed from the past starry fire to the present regional centralization and are distributed all over the country, a novel section steel rim forming method is imperative, and unprecedented opportunities are provided for the rapid development of the industry.

In recent years, although the proportion of the tubeless wheels used in commercial vehicles in China is gradually increased along with the development of tubeless wheels, the approval of users and the improvement of road transportation management, the section steel tubeless wheels coexist with the tubeless wheels in a certain proportion for a long time and occupy certain markets based on the influence of actual use conditions such as current road conditions, vehicle types and maintenance. The sheet stamping forming type steel realizes the replacement of various special sections required by the traditional steel rim, the material selection is wide, the cost is lower compared with that of the section steel, the flexible switching of various types can be realized by a common steel plate, the restriction of market supply is avoided, the quantity of special equipment is reduced, the material utilization rate is improved, the process route is short, and the market competitiveness is obvious. The existing punch forming equipment has low production efficiency, and the product quality cannot be ensured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rim former to solve at least one above-mentioned technical problem who exists among the prior art.

In order to solve the technical problem, the utility model provides a pair of rim former, it includes: the device comprises an upper module, a lower module and an actuating mechanism;

the lower die set comprises a core die and an outer shrinkage block;

the plurality of outer contraction blocks are uniformly distributed on the circumferential direction of the rim blank; the outer contraction block is movably arranged outside the rim blank in the radial direction of the rim blank, and the core die is arranged inside the rim blank;

the upper die set comprises an upper die pot body and an upper die pressing plate;

a bell mouth type inner inclined plane is arranged in the upper mold basin body; the outer contraction block includes: the outer conical working surface is matched with the inner inclined surface, and the outer molding surface is matched with the outer circumferential surface of the rim blank; the core die comprises an inner molding surface matched with the inner side surface of the rim blank;

the actuating mechanism is used for driving the upper module to approach or depart from the lower module;

when the lower module moves downwards to be close to the lower module, the upper mold pot body forces the outer contraction block to move inwards in the radial direction through moving extrusion between the inner inclined plane and the outer conical working surface; and the upper die pressing plate is used for flattening the upper port edge of the rim blank.

When the wheel rim blank clamping device works, the actuating mechanism drives the upper module to move downwards, the upper mold pot body forces the outer contraction block to move inwards, the outer contraction block forces the side wall of the wheel rim blank to deform until the side wall completely abuts against the central core mold, and the core mold and the outer contraction block clamp the wheel rim blank and keep the wheel rim blank for a set time; and the upper die pressing plate is used for flattening the upper port edge of the rim blank, so that the rim blank is gradually deformed to a set shape and size. The utility model discloses degree of automation is high, accomplishes in step a plurality of processes in the past in, and is efficient, and rim shaping precision is high.

Further, the wheel rim blank clamping device further comprises a return spring which tends to force the outer contraction blocks to move outwards in the radial direction respectively, and therefore the clamping state of the wheel rim blank is released.

Further, the return spring is a nitrogen spring or a spiral spring.

Further, still include mount pad and mount pad down, go up the module fixed setting and be in go up the installation and sit, the module setting is in down on the mount pad.

Further, the outer contraction block is arranged on the lower mounting seat in a manner of sliding along the radial direction of the rim blank.

Preferably, a dovetail-shaped sliding groove is formed in the lower mounting seat, and a wedge-shaped sliding block matched with the sliding groove is arranged at the bottom of the outer contraction block.

Furthermore, a limiting block used for limiting the stroke of the outer contraction block is arranged on the lower mounting seat.

Further, the core mold comprises an upper module and a lower module which are fixedly connected through connecting pieces such as screws, bolts or connecting rods/pins.

The core mould package is formed by splicing the upper module and the lower module, so that molding surfaces can be conveniently machined on the upper module and the lower module respectively, and the process is simpler and more convenient.

Further, the actuating mechanism is a hydraulic cylinder, an air cylinder or an electric telescopic mechanism.

Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:

the utility model provides a pair of rim former, this application merges multichannel process, and one step of completion in a process, production efficiency promotes greatly, and the qualification rate of product also promotes greatly simultaneously, and the quality is guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a top view of a rim forming apparatus provided in an embodiment of the present invention;

FIG. 2 is a cross-sectional view AA in FIG. 1;

fig. 3 is a perspective view of a rim forming apparatus provided by an embodiment of the present invention.

Reference numerals:

1-a rim blank; 10-upper module; 11-upper mounting seat; 12-upper platen; 13-upper mold pot body; 20-lower module; 21-lower mounting seat; 22-core mold; 22 a-upper module; 22 b-lower module; 23-an outer shrink block; 24-a limiting block.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be further explained with reference to specific embodiments.

As shown in fig. 1 to 3, the present embodiment provides a rim forming apparatus, including: an upper die set 10, a lower die set 20 and an actuating mechanism.

The lower die set 20 includes a core die 22 and an outer shrinkage block 23.

The plurality of outer contraction blocks 23 are uniformly distributed on the circumferential direction of the rim blank 1; the outer contraction block 23 is movably disposed outside the rim blank in the radial direction of the rim blank, and the core mold 22 is disposed inside the rim blank.

The upper module 10 comprises an upper mold pot body 13 and an upper mold pressing plate 12;

a bell mouth type inner inclined plane is arranged in the upper mold pot body 13; the outer contraction block 23 includes: an outer conical working surface matched with the inner inclined surface of the upper mold pot body 13 and an outer molding surface matched with the outer circumferential surface of the rim blank; the core die 22 includes an inner contoured surface that conforms to the inner side of the rim blank.

The actuating mechanism is used for driving the upper module 10 to approach or depart from the lower module 20; when the lower die set 20 moves downwards to be close to the lower die set 20, the upper die pot body 13 forces the outer contraction block 23 to move inwards in the radial direction through moving extrusion between the inner inclined plane and the outer conical working surface; the upper die pressing plate 12 is used for carrying out flattening treatment on the rim blank upper end opening edge.

When the wheel rim blank clamping device works, the actuating mechanism drives the upper module 10 to move downwards, the upper mold pot body 13 forces the outer contraction block 23 to move inwards, the outer contraction block 23 forces the side wall of the wheel rim blank to deform until the side wall completely abuts against the central core mold 22, and the core mold 22 and the outer contraction block 23 clamp the wheel rim blank; and the upper die pressing plate 12 is used for flattening the upper port edge of the rim blank, so that the rim blank is gradually deformed to a set shape and size. The utility model discloses degree of automation is high, accomplishes in step a plurality of processes in the past in, and is efficient, and rim shaping precision is high.

This embodiment preferably also comprises return springs (not shown) which tend to force said outer shrink blocks 23 to move radially outwards respectively, thus releasing the clamping of the blank. The return spring may be a nitrogen spring or a coil spring. One end of the return spring can abut against the core mould or the lower mounting seat, and the other end of the return spring abuts against the outer contraction block, and the spring force tends to force the outer contraction block to move outwards in a compressed state.

And the device also comprises an upper mounting seat 11 and a lower mounting seat 21, wherein the upper module 10 is fixedly arranged on the upper mounting seat, and the lower module 20 is arranged on the lower mounting seat 21. The outer shrink block 23 is slidably disposed on the lower mounting seat 21 in a radial direction of the rim blank.

Preferably, a dovetail-shaped sliding groove is formed in the lower mounting seat 21, and a wedge-shaped sliding block matched with the sliding groove is arranged at the bottom of the outer shrinkage block 23.

Further, a limiting block 24 for limiting the stroke of the outer contraction block 23 is arranged on the lower mounting seat 21. In the radial direction of the wheel rim, the limiting block is arranged on the outer side of the wheel rim.

The core mold 22 includes an upper mold block 22a and a lower mold block 22b, which are fixedly connected by a connecting member such as a screw, a bolt, or a connecting rod/pin. The core mould 22 bag is formed by splicing an upper mould block and a lower mould block, so that the upper mould block and the lower mould block can be respectively processed into a forming surface conveniently, and the process is simpler and more convenient. And the actuating mechanism is a hydraulic cylinder, an air cylinder or an electric telescopic mechanism.

The utility model provides a pair of rim former, this application merges multichannel process, and one step of completion in a process, production efficiency promotes greatly, and the qualification rate of product also promotes greatly simultaneously, and the quality is guaranteed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (9)

1. A rim forming apparatus, comprising: the device comprises an upper module, a lower module and an actuating mechanism;

the lower die set comprises a core die and an outer shrinkage block;

the plurality of outer contraction blocks are uniformly distributed on the circumferential direction of the rim blank; the outer contraction block is movably arranged outside the rim blank in the radial direction of the rim blank, and the core die is arranged inside the rim blank;

the upper die set comprises an upper die pot body and an upper die pressing plate;

a bell mouth type inner inclined plane is arranged in the upper mold basin body; the outer contraction block includes: the outer conical working surface is matched with the inner inclined surface, and the outer molding surface is matched with the outer circumferential surface of the rim blank; the core die comprises an inner molding surface matched with the inner side surface of the rim blank;

the actuating mechanism is used for driving the upper module to approach or depart from the lower module;

when the lower module moves downwards to be close to the lower module, the upper mold pot body forces the outer contraction block to move inwards in the radial direction through moving extrusion between the inner inclined plane and the outer conical working surface; and the upper die pressing plate is used for flattening the upper port edge of the rim blank.

2. The apparatus for forming rims of claim 1, further comprising return springs tending to force the outer shrink blocks to move radially outward respectively, so as to release the clamping of the blank.

3. The rim forming apparatus of claim 2, wherein the return spring is a nitrogen spring or a coil spring.

4. The rim molding apparatus of claim 1, further comprising an upper mount and a lower mount, the upper die set being fixedly disposed on the upper mount and the lower die set being disposed on the lower mount.

5. The rim forming apparatus of claim 4, wherein the outer shrink block is slidably disposed on the lower mount in a radial direction of the rim blank.

6. The rim molding apparatus according to claim 4, wherein the lower mounting seat is provided with a dovetail-shaped sliding groove, and the bottom of the outer contraction block is provided with a wedge-shaped sliding block matched with the sliding groove.

7. The rim molding apparatus of claim 4, wherein a stop block is provided on the lower mounting seat for limiting the travel of the outer shrink block.

8. The rim molding apparatus of claim 1, wherein the core mold comprises an upper module and a lower module, the upper module and the lower module being fixedly connected by screws, bolts or connecting rods/pins.

9. The rim forming apparatus of claim 1, wherein the actuator is a hydraulic cylinder, an air cylinder, or an electric telescopic mechanism.

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