CN219425550U

CN219425550U - Adapter piece lofting shaping blank and adapter piece lofting forming device

Info

Publication number: CN219425550U
Application number: CN202320523446.7U
Authority: CN
Inventors: 袁长中; 郭辉; 金陈义; 曹利; 殷克贵; 黄纯友; 白天华
Original assignee: Baolong Anhui Auto Parts Co ltd
Current assignee: Baolong Anhui Auto Parts Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-07-28
Anticipated expiration: 2033-03-17

Abstract

The utility model discloses an adapter piece lofting molding blank, which comprises a cylindrical blank body, wherein the blank body is provided with a first end face and a second end face which are opposite, and the outer side wall of the blank body is gradually inclined outwards from one side close to the first end face to one side close to the second end face. The utility model provides an adaptation piece lofting forming device, includes terrace die and die, the terrace die is located the below of die, the die can be to being close to or keep away from the terrace die direction removes, the terrace die has last guide portion and is located go up the lower shaping portion of guide portion below, lower shaping portion with the die forms the die cavity, and foretell blank is from last guide portion to lower shaping portion in the in-process that the die descends. In the utility model, the provided adapter sheet lofting molding blank and the adapter sheet lofting molding device reduce the production cost and the die cost, so that some adapter sheets with larger conicity which are originally used in a deep drawing process and cannot be lofted in a straight shape can be processed.

Description

Adapter piece lofting shaping blank and adapter piece lofting forming device

Technical Field

The utility model relates to the technical field of adapting sheet production equipment, in particular to an adapting sheet lofting molding blank and an adapting sheet lofting molding device.

Background

As shown in fig. 1, the adapter piece (the adapter piece refers to a decorative part in the tail pipe in this application) is generally in a special-shaped closed cylindrical shape, the periphery of which is tapered 1.1, and the periphery of which is generally provided with a plurality of rib structures 1.2.

The existing adapting sheet is obtained by stretching all the time and adopting a deep drawing process or a straight lofting process, but the two processes are complex, the die cost is relatively high, the abnormality is relatively more during production, and even if the taper of the adapting sheet is larger, the two processes are generally difficult to achieve in some cases. In addition, the conventional general lofting process generally adopts straight lofting as shown in fig. 2, namely straight lofting is adopted, namely straight lofting is unfolded, bending, straight welding and cutting are carried out, then sliding blocks are adopted inside and outside the process, meanwhile, horizontal extrusion forming is carried out at least twice, the lofting process is not realized when the taper of a product is larger, and in addition, the lofting process often has larger contour differences due to rebound of metal plates.

Disclosure of Invention

In order to solve the technical problems in the background technology, the utility model provides an adapter piece lofting molding blank and an adapter piece lofting molding device.

The utility model provides an adapter piece lofting molding blank, which comprises a cylindrical blank body, wherein the blank body is provided with a first end face and a second end face which are opposite, the outer side wall of the blank body is gradually inclined outwards from one side close to the first end face to one side close to the second end face, and the blank body is conical relative to the existing straight material.

As a specific scheme of the utility model, the blank body is formed by welding sheet materials.

The utility model provides an adaptation piece lofting forming device, includes terrace die and die, the terrace die is located the below of die, the die can be to being close to or keep away from the terrace die direction removes, the terrace die has last guide portion and is located go up the lower shaping portion of guide portion below, lower shaping portion with the die forms the die cavity, and foretell adaptation piece lofting shaping blank removes from last guide portion to lower shaping portion at the in-process that the die descends.

As a further optimized scheme of the utility model, the male die is provided with a material blocking part, the material blocking part is positioned below the lower forming part, and a material blocking step is formed between the material blocking part and the lower forming part.

As a further optimized scheme of the utility model, the outer side surface of the upper material guiding part is an inclined surface which gradually inclines outwards from top to bottom, the outer side surface of the lower forming part is provided with a convex part, the inner side surface of the female die is provided with a concave part, and the concave part and the convex part form a rib part forming cavity.

As a further optimized scheme of the utility model, the die comprises an upper die plate, wherein the female die is arranged at the bottom of the upper die plate, the upper die plate is provided with a material beating part, and a forming groove is formed between the material beating part and the forming inner side surface of the female die.

As a further optimized scheme of the utility model, the material beating part can move up and down relative to the female die.

As a further optimized scheme of the utility model, the bottom surface of the material beating part is provided with a first positioning structure, the upper surface of the male die is provided with a second positioning structure, and the first positioning structure is matched with the second positioning structure.

As a further optimized scheme of the utility model, the female die is provided with a guiding inner side surface and a forming inner side surface which is positioned above and connected with the guiding inner side surface, wherein the guiding inner side surface is a vertical surface, and the forming inner side surface is an inclined surface which gradually inclines outwards from top to bottom.

According to the utility model, the provided adapter sheet lofting molding blank and the adapter sheet lofting molding device are characterized in that firstly, the conical molding blank is welded, then the conical molding blank is matched on a male die in the adapter sheet lofting molding device, the blank is continuously inflated to a required size in the downward moving process of a female die, meanwhile, the rib structure on the side surface of the adapter sheet is extruded and molded, so that the production cost and the die cost are reduced, and some adapter sheets with larger conicity which are originally available in a deep drawing process and straight lofting can be processed.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic view of a fabricated panel according to the present utility model;

FIG. 2 is a schematic illustration of a prior art master batch layout process;

FIG. 3 is a schematic view of the structure of the adapter plate lofting blank of the present utility model;

FIG. 4 is a schematic diagram of the structure of the adapter plate lofting molding device of the present utility model;

FIG. 5 is a schematic diagram of the male die structure of the present utility model;

figure 6 is a cross-sectional view of a male die of the present utility model;

FIG. 7 is a schematic diagram of the female die structure of the present utility model;

FIG. 8 is a schematic diagram of a lofting molded blank for a process adapter sheet of the present utility model;

in the figure: 2. a blank body; 3. an upper template; 4. a lower template; 5. a male die; 50. an upper material guiding part; 51. a lower molding part; 52. a material blocking part; 53. a boss; 6. a female die; 60. a recessed portion; 61. guiding the inner side surface; 62. forming the inner side surface; 7. a material beating part; 8. a first positioning structure; 9. and a second positioning structure.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The fitting sheet lofting molded blank shown in fig. 3 comprises a cylindrical blank body 2, wherein the blank body 2 is provided with a first end face and a second end face which are opposite, the outer side wall of the blank body 2 is gradually inclined outwards from one side close to the first end face to one side close to the second end face, namely the cylindrical blank is in a conical cylindrical shape, and the blank body 2 is specifically formed by welding sheet materials.

The fitting sheet lofting forming device as shown in fig. 4-8 comprises an upper template 3, a lower template 4, a male die 5 and a female die 6, wherein the female die 6 is arranged on the upper template 3, the male die 5 is arranged on the lower template 4, the male die 5 is positioned below the female die 6, the female die 6 can move towards the direction close to or away from the male die 5, the male die 5 is provided with an upper material guiding part 50 and a lower forming part 51 positioned below the upper material guiding part 50, the lower forming part 51 and the female die 6 form a forming cavity, and the fitting sheet lofting forming blank moves from the upper material guiding part 50 to the lower forming part 51 in the process of descending the female die 6;

the outer side surfaces of the upper material guiding part 50 and the lower forming part 51 are inclined surfaces, the outer side surfaces of the upper material guiding part 50 are connected with the outer side surface of the lower forming part 51, the outer side surfaces of the upper material guiding part 50 and the lower forming part 51 incline outwards gradually from top to bottom, the maximum width of the upper material guiding part 50 is equal to the minimum width of the lower forming part 51, specifically, the included angle between the outer side surface of the upper material guiding part 50 and the vertical surface is smaller than the included angle between the outer side surface of the lower forming part 51 and the vertical surface, the outer side surface of the lower forming part 51 is provided with a protruding part 53, the inner side surface of the concave die 6 is provided with a concave part 60, and the concave part 60 and the protruding part 53 form a rib forming cavity;

before forming, the blank is sleeved outside the upper guide part 50, then the upper die plate 3 drives the die 6 to move downwards, the downward force breaks down an inclined downward force, the male die 5 states an upward force and an inclined upward force under the reaction force of the die 6, and as the die 6 moves downwards, the process piece (i.e. the blank) is continuously expanded to a required size, and meanwhile, the shape of the rib required by the side face is extruded under the action of the inclined force.

Preferably, the male die 5 is provided with a blocking part 52, the blocking part 52 is positioned below the lower molding part 51, and a blocking step is formed between the blocking part 52 and the lower molding part 51;

the male die 5 is designed into three parts: the upper material guiding part 50, the lower forming part 51 and the material blocking part 52 are provided with different functions, the bending workpiece guides the nonstandard conical material (i.e. the adapting piece lofting forming blank) into the lower forming part 51 along the upper material guiding part 50 under the action of the female die 6, the lower forming part 51 and the female die 6 form the required shape of a product, in the forming process, the material (i.e. the blank) has overlong condition, and the material blocking step formed between the material blocking part 52 and the lower forming part 51 blocks the material in the process, so that the required profile of the product is achieved.

Preferably, the die 6 has a guiding inner side 61 and a forming inner side 62 located above the guiding inner side 61 and connected with the guiding inner side, the guiding inner side 61 is a vertical surface, the forming inner side 62 is an inclined surface gradually inclining outwards from top to bottom, the concave portion 60 is arranged on the forming inner side 62, and further, when the die 6 moves downwards, a technical effect of downward tightening is achieved on a workpiece to be processed (i.e. the adapter piece lofting forming blank).

Preferably, the upper template 3 is provided with a material beating part 7, the material beating part 7 and the forming inner side surface 62 of the female die 6 form a forming groove, the material beating part 7 can move up and down relative to the female die 6, the material beating part 7 is preferably vertically and slidably arranged on the upper template 3, the upper template 3 is provided with a connecting through hole, and an external electric cylinder or an air cylinder or other mechanisms capable of driving components to move linearly drive the material beating part 7 to move vertically;

preferably, the bottom surface of the material beating part 7 is provided with a first positioning structure 8, the upper surface of the male die 5 is provided with a second positioning structure 9, and the first positioning structure 8 is matched with the second positioning structure 9; specifically, the first positioning structure 8 in this embodiment is a positioning protrusion, and the second positioning structure 9 is a positioning hole, and the positioning protrusion is matched with the positioning hole.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an adaptation piece lofting shaping blank, its characterized in that includes tubular blank body (2), blank body (2) have relative first terminal surface and second terminal surface, the lateral wall of blank body (2) is from being close to one side of first terminal surface to being close to one side of second terminal surface gradually outwards slope.

2. The adapter sheet loft molding blank according to claim 1, wherein the blank body (2) is made of welded sheet material.

3. An adapter sheet lofting forming device, which is characterized by comprising a male die (5) and a female die (6), wherein the male die (5) is positioned below the female die (6), the female die (6) can move towards a direction close to or far away from the male die (5), the male die (5) is provided with an upper material guiding part (50) and a lower forming part (51) positioned below the upper material guiding part (50), the lower forming part (51) and the female die (6) form a forming cavity, and the blank according to any one of claims 1-2 moves from the upper material guiding part (50) to the lower forming part (51) in the descending process of the female die (6).

4. A fitting wafer lofting forming device according to claim 3, characterized in that the male die (5) has a stop portion (52), the stop portion (52) being located below the lower forming portion (51), a stop step being formed between the stop portion (52) and the lower forming portion (51).

5. A fitting sheet lofting forming device according to claim 3, wherein the outer side surface of the upper guide portion (50) is an inclined surface inclined gradually outwards from top to bottom, the outer side surface of the lower forming portion (51) is provided with a protruding portion (53), the inner side surface of the female die (6) is provided with a recessed portion (60), and the recessed portion (60) and the protruding portion (53) form a rib portion forming cavity.

6. The adapter sheet lofting molding device according to claim 3, further comprising an upper die plate (3), wherein the female die (6) is mounted at the bottom of the upper die plate (3), the upper die plate (3) is provided with a material beating part (7), and the material beating part (7) and a molding inner side surface (62) of the female die (6) form a molding groove.

7. The fit sheet lofting molding device according to claim 6, wherein the blanking portion (7) is movable up and down with respect to the die (6).

8. The fitting sheet lofting forming device according to claim 6, wherein the bottom surface of the blanking portion (7) is provided with a first positioning structure (8), the upper surface of the male die (5) is provided with a second positioning structure (9), and the first positioning structure (8) and the second positioning structure (9) are matched.

9. A fitting sheet lofting molding device according to claim 3, wherein the female die (6) has a guiding inner side surface (61) and a molding inner side surface (62) located above and connected to the guiding inner side surface (61), the guiding inner side surface (61) is a vertical surface, and the molding inner side surface (62) is a slope surface which gradually slopes outwards from top to bottom.