Die cavity positioning device of dry method die

Abstract

The utility model relates to a dry method die cavity positioning device which comprises an upper forming die and a lower forming die, and a plurality of reinforcing nail assemblies are arranged on the peripheral side of the lower forming die and used for increasing the drawing force of a ceiling base material body in the pressing process of the upper forming die and the lower forming die. The device is simple in structure, reasonable in design and convenient to use, the multiple reinforcing nail assemblies are distributed on the outer side of the inner cavity of the mold to increase the drawing force of the base material body in the pressing process, and after the pressure is completely applied, redundant offcut can be separated out of the reinforcing nail assemblies; therefore, the problems of non-uniform adhesion, wrinkling and the like of the ceiling caused by unstable glue amount are effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dry method mould cavity positioning device. BACKGROUND

[0002] At present, the important part of the automobile top interior - roof is formed by using dry method pressing method, also called hot material cold pressing, in the roof manufacturing process, the first step is to place the material after heating the body in the mould, the second step is to heat the roof body on the surface of the lower mould, the fabric is above the roof body, the glue is melted after hot pressing, the fabric and the roof body are pressed together, but in the pressing process, because the more the material glue amount is, the greater the strength is, with the increase of the glue amount, the strength tends to a certain value, and there is the risk of glue overflow, and too little glue amount will lead to the decrease of the strength, and the defects such as partial softness and wrinkle, in order to avoid the problems such as uneven sticking and wrinkle caused by unstable glue amount, the case is thus born. CONTENT OF THE UTILITY MODEL

[0003] The utility model improves the above-mentioned problems, that is, the technical problem to be solved by the utility model is to provide a dry method mould cavity positioning device, which can reduce the problems such as uneven sticking and wrinkle caused by unstable glue amount in the process of pressing the roof base material body and the skin.

[0004] The utility model is constituted in this way, it includes upper forming mould and lower forming mould, the lower forming mould side is provided with a plurality of reinforcing nail assemblies, and the stretching force of the roof base material body in the pressing process of the upper and lower forming moulds is increased.

[0005] Further, the reinforcing nail assembly comprises a fixed plate and a reinforcing nail arranged on the fixed plate.

[0006] Further, the upper end of the reinforcing nail is a sharp end, the lower end of the reinforcing nail is provided with a threaded part, the fixed plate is provided with a through hole, the through hole of the fixed plate is provided with a nut above and below, and the two nuts are respectively screwed with the threaded part of the reinforcing nail.

[0007] Further, the fixed plate is in L type.

[0008] Further, the four corners of the upper forming die correspond to the roof A column position, roof B column position, roof C column position and roof D column position respectively, and the reinforcing nail assembly is provided with sixteen, including reinforcing nail assembly A, reinforcing nail assembly B, reinforcing nail assembly C, reinforcing nail assembly D, reinforcing nail assembly E, reinforcing nail assembly F, reinforcing nail assembly G, reinforcing nail assembly H, reinforcing nail assembly I, reinforcing nail assembly J, reinforcing nail assembly K, reinforcing nail assembly L, reinforcing nail assembly M, reinforcing nail assembly N, reinforcing nail assembly O and reinforcing nail assembly P, wherein the reinforcing nail assembly A and the reinforcing nail assembly B are distributed between the roof A column and the roof B column, the reinforcing nail assembly C, the reinforcing nail assembly D, the reinforcing nail assembly E, the reinforcing nail assembly F and the reinforcing nail assembly G are distributed between the roof B column and the roof D column, the reinforcing nail assembly H, the reinforcing nail assembly I, the reinforcing nail assembly J and the reinforcing nail assembly K are distributed between the roof D column and the roof C column, and the reinforcing nail assembly L, the reinforcing nail assembly M, the reinforcing nail assembly N, the reinforcing nail assembly O and the reinforcing nail assembly P are distributed between the roof A column and the roof C column.

[0009] Further, the height of the reinforcing nail assembly C and the reinforcing nail assembly G is slightly higher than that of the reinforcing nail assembly D, the reinforcing nail assembly E and the reinforcing nail assembly F.

[0010] Further, the height of the reinforcing nail assembly H and the reinforcing nail assembly K is slightly higher than that of the reinforcing nail assembly I and the reinforcing nail assembly J.

[0011] Further, the height of the reinforcing nail assembly L and the reinforcing nail assembly P is slightly higher than that of the reinforcing nail assembly M, the reinforcing nail assembly N and the reinforcing nail assembly O.

[0012] Further, the upper positioning pin structure for fixing the roof outer skin material is arranged in the inner cavity of the upper forming die, and the lower positioning pin structure for fixing the roof base material body is arranged in the inner cavity of the lower forming die.

[0013] Compared with the prior art, the device has the following beneficial effects: the device has simple structure and is convenient to use, the roof base material body is heated to be soft, and then the base material body is manually inserted into the lower positioning pin structure in the inner cavity of the lower forming die and the plurality of reinforcing nail assemblies arranged outside; after the pressing is completed, the roof skin material is inserted into the upper positioning pin structure in the inner cavity of the upper forming die; the upper forming die and the lower forming die are pressed, the base material body and the skin material are attached during the pressing process, the base material body edge material is pulled out from each reinforcing nail assembly during the stretching of the pressed and formed base material body, the roof is more compact during the stretching process, and the occurrence rate of problems such as uneven sticking and wrinkling is lower, and the production quality of the roof is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The lower forming die structure of the embodiment of the utility model is shown Figure 1 ;

[0015] Figure 2 This is a schematic diagram of the molding die structure in an embodiment of the present invention. Figure 2 ;

[0016] Figure 3 This is a schematic diagram of the reinforcing nail assembly structure according to an embodiment of the present utility model;

[0017] Figure 4 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0018] Figure 5 This is a schematic diagram of the finished product according to an embodiment of the present utility model. Detailed Implementation

[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0020] Example: Figures 1-5 As shown in this embodiment, a dry mold cavity positioning device is provided, including an upper forming mold 2 and a lower forming mold 1. The lower forming mold is provided with a plurality of reinforcing nail assemblies 11 on its periphery to increase the tensile force of the ceiling substrate body during the pressing process of the upper and lower forming molds.

[0021] During operation: After the ceiling substrate is heated and softened, it is manually inserted into the lower positioning pin structure and multiple reinforcing nail assemblies arranged on the outside of the lower forming mold 1. First, the substrate is pressed into the reinforcing nail assembly C5, reinforcing nail assembly 9G, reinforcing nail assembly 10H, reinforcing nail assembly 13K, reinforcing nail assembly 14L, and reinforcing nail assembly 18P in sequence. Then, the reinforcing nail assembly 6D, reinforcing nail assembly 7E, and reinforcing nail assembly 8F between the ceiling B column and the ceiling D column are pressed in. Then, the reinforcing nail assembly M15, reinforcing nail assembly N16, and reinforcing nail assembly O17 between the ceiling A column and the ceiling C column are pressed in. Then, the reinforcing nail assembly A3 and reinforcing nail assembly B4 between the ceiling A column and the ceiling B column are pressed in. Then, the reinforcing nail assembly I11 and reinforcing nail assembly J12 between the ceiling C column and the ceiling D column are pressed in.

[0022] After pressing, insert the ceiling skin material into the upper positioning pin structure inside the upper forming mold 2, start the equipment, and the upper forming mold 2 presses the lower forming mold 1. During the pressing process, the substrate body and the skin material are bonded together. As the pressed and formed substrate body is stretched, the edge material of the substrate body is removed by each reinforcing nail assembly. The tighter the stretching process, the lower the incidence of problems such as uneven adhesion and wrinkles.

[0023] In this embodiment of the present invention, the reinforcing nail assembly 11 includes a fixing plate 111 and reinforcing nails 112 disposed on the fixing plate.

[0024] The upper end of the reinforcing nail is a sharp end 113, the lower end of the reinforcing nail is provided with a threaded portion, the fixing plate is provided with a through hole, and the through hole of the fixing plate is provided with nuts 114 above and below, and the two nuts are respectively screwed with the threaded portion of the reinforcing nail.

[0025] The fixing plate is L-shaped, and the lower part of the fixing plate is fixed to the outer wall of the lower forming mold by positioning pieces 115.

[0026] In the embodiment of the utility model, sixteen reinforcing nail assemblies are arranged at the positions of the four corners of the upper forming mold, including reinforcing nail assembly A3, reinforcing nail assembly B4, reinforcing nail assembly C5, reinforcing nail assembly D6, reinforcing nail assembly E7, reinforcing nail assembly F8, reinforcing nail assembly G9, reinforcing nail assembly H10, reinforcing nail assembly I11, reinforcing nail assembly J12, reinforcing nail assembly K13, reinforcing nail assembly L14, reinforcing nail assembly M15, reinforcing nail assembly N16, reinforcing nail assembly O17 and reinforcing nail assembly P18.

[0027] In the embodiment of the utility model, the height of the reinforcing nail assembly C and the reinforcing nail assembly G is slightly higher than the height of the reinforcing nail assembly D, the reinforcing nail assembly E and the reinforcing nail assembly F.

[0028] In the embodiment of the utility model, the height of the reinforcing nail assembly H and the reinforcing nail assembly K is slightly higher than the height of the reinforcing nail assembly I and the reinforcing nail assembly J.

[0029] In the embodiment of the utility model, the height of the reinforcing nail assembly L and the reinforcing nail assembly P is slightly higher than the height of the reinforcing nail assembly M, the reinforcing nail assembly N and the reinforcing nail assembly O.

[0030] In the embodiment of the utility model, a plurality of upper positioning pin structures (not shown in the figure) for fixing the outer skin material of the roof are arranged in the inner cavity of the upper forming mold, and a plurality of lower positioning pin structures (not shown in the figure) for fixing the base material body of the roof are arranged in the inner cavity of the lower forming mold.

[0031] Any of the above technical solutions of the utility model discloses, if its disclosed numerical range except another declaration, then the disclosed numerical range is all preferred numerical range, any person skilled in the art should understand that: preferred numerical range is only the numerical value of obvious technical effect or representative numerical value in many implementable numerical values. Because the numerical value is more, cannot be exhausted, so the utility model discloses part of numerical value to illustrate the technical scheme of the utility model, and, the numerical value enumerated above should not constitute the restriction of the protection scope of the utility model creation.

[0032] If the words "first", "second" and the like are used in this document to qualify a component, those skilled in the art should know that the use of "first", "second" is only for the convenience of distinguishing the components from each other, and the words have no special meaning unless otherwise stated.

[0033] Meanwhile, if the above utility model discloses or involves mutually fixed connection components or structural parts, except another declaration, fixed connection can be understood as: detachable fixed connection (for example, using bolt or screw connection), it can also be understood as: non-detachable fixed connection (for example, riveting, welding), of course, the mutual fixed connection can also be replaced by an integral structure (for example, using casting process integral forming is manufactured) (obviously, except for integral forming process).

[0034] In addition, the terms used to represent the position relationship or shape in any of the above technical solutions of the utility model, except another declaration, its meaning includes the state or shape similar, similar or close to it.

[0035] Any component provided by the utility model can be assembled by a plurality of individual components, or it can be a single component manufactured by integral forming process.

[0036] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model and not to limit them; although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the specific embodiments of the utility model can still be modified or some technical features can be replaced by equivalents; without departing from the spirit of the technical solutions of the utility model, they should all be covered in the technical solution range of the utility model claimed.

Claims

1. A dry mold cavity positioning device comprising an upper molding die and a lower molding die, characterized by, The lower forming die is provided with a plurality of reinforcing nail assemblies on the side, which are used to increase the stretching force of the ceiling base body during the pressing process of the upper and lower forming dies.

2. A dry mold cavity positioning device according to claim 1, wherein The reinforcing nail assembly comprises a fixed plate and reinforcing nails arranged on the fixed plate.

3. A dry mold cavity positioning device according to claim 2, wherein The upper end of the reinforcing nail is a sharp end, and the lower end of the reinforcing nail is provided with a threaded part.

4. A dry mold cavity positioning device as defined in claim 2, wherein The fixed plate is in L shape.

5. A dry mold cavity positioning device as defined in claim 1, wherein, The upper forming die is provided with sixteen reinforcing nail assemblies at the positions of the four corners, which correspond to the ceiling A column position, ceiling B column position, ceiling C column position and ceiling D column position respectively, and the reinforcing nail assemblies comprise reinforcing nail assembly A, reinforcing nail assembly B, reinforcing nail assembly C, reinforcing nail assembly D, reinforcing nail assembly E, reinforcing nail assembly F, reinforcing nail assembly G, reinforcing nail assembly H, reinforcing nail assembly I, reinforcing nail assembly J, reinforcing nail assembly K, reinforcing nail assembly L, reinforcing nail assembly M, reinforcing nail assembly N, reinforcing nail assembly O and reinforcing nail assembly P.

6. A dry mold cavity positioning device as defined in claim 5, wherein, The reinforcing nail assembly A and the reinforcing nail assembly B are distributed between the ceiling A column and the ceiling B column, the reinforcing nail assembly C, the reinforcing nail assembly D, the reinforcing nail assembly E, the reinforcing nail assembly F and the reinforcing nail assembly G are distributed between the ceiling B column and the ceiling D column, the reinforcing nail assembly H, the reinforcing nail assembly I, the reinforcing nail assembly J and the reinforcing nail assembly K are distributed between the ceiling D column and the ceiling C column, and the reinforcing nail assembly L, the reinforcing nail assembly M, the reinforcing nail assembly N, the reinforcing nail assembly O and the reinforcing nail assembly P are distributed between the ceiling A column and the ceiling C column.

7. A dry mold cavity positioning device as defined in claim 5, wherein, The height of the reinforcing nail assembly C and the reinforcing nail assembly G is slightly higher than that of the reinforcing nail assembly D, the reinforcing nail assembly E and the reinforcing nail assembly F.

8. A dry mold cavity positioning device as defined in claim 5, wherein, The height of the reinforcing nail assembly H and the reinforcing nail assembly K is slightly higher than that of the reinforcing nail assembly I and the reinforcing nail assembly J.

9. A dry mold cavity positioning device as defined in claim 1, wherein, The height of the reinforcing nail assembly L and the reinforcing nail assembly P is slightly higher than that of the reinforcing nail assembly M, the reinforcing nail assembly N and the reinforcing nail assembly O. An upper positioning pin structure for fixing the ceiling outer skin material is arranged in the inner cavity of the upper forming die, and a lower positioning pin structure for fixing the ceiling base body is arranged in the inner cavity of the lower forming die.

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