Flanging, bending and forming die for floor connecting support

Abstract

According to the flanging, bending and forming die for the floor connecting support, a die groove is formed in the upper end face of a lower die, a base plate which achieves inclined flanging forming at one end of the floor connecting support under the combined action of the die groove and the lower end of an upper die is fixed in the die groove, a lifting type die forming device arranged in the die groove is matched with the base plate, and the lower end of the upper die is matched with the die groove and the upper end of the base plate. The upper die and the lifting type die forming device synchronously move downwards, and under the combined action of the upper die, the upper edge and the side wall of the long side of the die groove and the upper end of the base plate, the upper edge and the side wall of the long side of the die groove are separated from each other, so that the flanging thickness of the floor connecting support is larger than or equal to that of the floor connecting support. And synchronous forming of the inclined folded edge and the two turned-over edges on the floor connecting support is achieved. Synchronous forming of the inclined folded edge and the two folded edges on the floor connecting support is achieved, bending conditions are provided for the folded edges and the bent edges on the two sides of the floor connecting support, the machining efficiency and quality of the floor connecting support are improved, the batch production requirement is met, bending consistency is good, and cost is low.

Description

Technical Field

[0001] The utility model belongs to the technical field of forming molds, and in particular relates to a flanging and bending forming mold for a floor connecting bracket. Background Art

[0002] Body design is an important part of automobile design. Whether it is the development of a new model or a model based on a mature platform, body design plays an important role in the entire development task. The car floor is supported and connected by the floor connection bracket. Figure 3 The floor connection bracket shown in the figure is not only provided with flanges on both sides in the length direction, but also the flanges and the bottom plate are bent at a certain angle to form a large V-shaped structure. In order to ensure the bending and forming quality of the flanges of the floor connection bracket, improve the bending and forming efficiency, meet the requirements of mass production, and reduce processing costs, it is necessary to design a flange bending and forming mold for the floor connection bracket. Utility Model Content

[0003] The technical problem solved by the utility model is: to provide a flanging and bending forming mold for a floor connection bracket, which adopts an upper mold and a lower mold with a pad and a lifting molding device in the mold groove. When the upper mold and the lifting molding device move downward synchronously, the upper mold, the upper edge and side wall of the long side of the mold groove and the upper end of the pad can realize the synchronous forming of the upper oblique folded edge and two flanges of the floor connection bracket under the joint action of the upper mold, the flange and the bent edge on both sides of the floor connection bracket are provided with bending conditions, the processing efficiency and quality of the floor connection bracket are improved, the requirements of mass production are met, the bending consistency is good, the cost is low, and the use value is high.

[0004] The technical solution adopted by the utility model is as follows: a flanging and bending forming mold for a floor connecting bracket, comprising a lower mold fixed on a base and an upper mold located above the lower mold, the upper mold presenting a stepped structure with a lower end size smaller than an upper end size, and the upper end of the upper mold being fixed to a moving punch of a punching machine, the upper end surface of the lower mold being formed with a mold groove, and a pad fixed in the mold groove for realizing the oblique folding forming of one end of the floor connecting bracket under the joint action with the lower end of the upper mold, the pad presenting a horizontally prevented L-shaped structure, and a lifting molding device arranged in the mold groove is adapted to the pad, the lower end of the upper mold is adapted to the mold groove and the upper end of the pad, and a gap not less than the thickness of the flanging of the floor connecting bracket is reserved between the two long sides of the lower end of the upper mold and the groove wall on the same side of the mold groove, when the upper mold and the lifting molding device are synchronously moved downward, under the joint action of the upper mold, the upper edge and side wall of the long side of the mold groove and the upper end of the pad, the synchronous forming of the oblique folding and two flangings on the floor connecting bracket is realized.

[0005] The lifting molding device comprises a movable mold, which is centrally fitted in the mold groove and matched with the L-shaped groove on the upper end of the pad, and the bottom of the movable mold is elastically connected to the base.

[0006] Furthermore, the bottom surface of the movable mold is fixed with a plurality of guide columns along its length direction, and the lower ends thereof extend into the through holes on the pad and the lower mold. The upper end surface of the base is provided with a plurality of mounting grooves corresponding to the positions of the guide columns, and the lower ends of the springs, which are fixed in the mounting grooves and pass through the through holes on the pad and the lower mold and are fitted with the guide columns, rest against the bottom surface of the movable mold.

[0007] Furthermore, a plurality of positioning columns are elastically installed inside the upper mold along its length direction, and the lower ends of the positioning columns extend out of the bottom of the upper mold and are contracted and pressed against the floor connection bracket for positioning when the bottom surface of the upper mold contacts the upper end surface of the floor connection bracket.

[0008] Furthermore, the upper end surface of the pad and the corresponding end bottom surface of the upper mold are both inclined surfaces that are adapted to the oblique folding edge required for bending.

[0009] The advantages of this utility model compared with the prior art:

[0010] 1. This technical solution provides an inclined surface matching the oblique folding edge required to be bent on the floor connection bracket on the upper end surface of the pad in the die groove of the lower die and the corresponding end bottom surface of the upper die, so that the oblique folding edge is bent and formed by the lower die and the upper end of the pad in the die groove during the downward movement process, thereby improving the forming quality and efficiency, and eliminating the need for manual measurement of the bending;

[0011] 2. This technical solution adopts an upper die and a lower die with a pad and a lifting molding device in the die groove. When the upper die and the lifting molding device move downward synchronously, the upper die, the upper edge and side wall of the long side of the die groove and the upper end of the pad work together to achieve the synchronous forming of the upper oblique folding edge and two flanges of the floor connection bracket, providing bending conditions for the flanges and bent edges on both sides of the floor connection bracket;

[0012] 3. This technical solution provides the movable mold with a spring and a guide column to provide an elastic support structure for the movable mold, so as to provide the movable mold with downward movement conditions for the bending of the flange, and facilitates the movable mold to move upward and reset while ejecting the bent floor connection bracket out of the mold, so that the mold molding quality and continuous operability are good;

[0013] 4. This technical solution has a simple structure, novel design, low cost, improves the processing efficiency and quality of the floor connection bracket, meets the requirements of mass production, has good bending consistency, low cost, and high use value. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the use state of the utility model in the mold closing state;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the floor connection bracket structure;

[0017] Figure 4 This is a schematic diagram of the structure after the utility model is bent and formed. DETAILED DESCRIPTION

[0018] The following will be combined with the embodiment of the present utility model Figure 1-2 , clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] It should be noted that, in this document, unless otherwise stated, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and 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 therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc., are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further limitations. The elements defined by the sentence "comprising a ..." do not exclude the presence of other identical elements in the process, method, article or device comprising the elements.

[0021] Flanging bending forming die for floor connection bracket, such as Figure 1-2As shown, it includes a lower mold 1 fixed on a base 3 and an upper mold 2 located above the lower mold 1, the upper mold 2 is in a stepped structure with a lower end size smaller than an upper end size, and the upper end of the upper mold 2 is fixed on a moving punch 7 of a punch press, the upper end surface of the lower mold 1 is formed with a mold groove 4, and a pad 6 is fixed in the mold groove 4 for forming an oblique folded edge 5-1 at one end of a floor connecting bracket 5 by cooperating with the lower end of the upper mold 2, specifically, the upper end surface of the pad 6 and the bottom surface of the corresponding end of the upper mold 2 are both inclined surfaces adapted to the oblique folded edge 5-1 required to be bent; the pad 6 is in a horizontally prevented L-shaped structure, and the lifting molding device arranged in the mold groove 4 is connected to the The pad 6 is adapted, the lower end of the upper mold 2 is adapted to the die groove 4 and the upper end of the pad 6, and a gap not less than the thickness of the flange 5-2 of the floor connecting bracket 5 is reserved between the two long sides of the lower end of the upper mold 2 and the groove wall on the same side of the die groove 4. When the upper mold 2 and the lifting molding device move downward synchronously, under the joint action of the upper mold 2 and the upper edge and side wall of the long side of the die groove 4 and the upper end of the pad 6, the inclined folded edge 5-1 and the two flanges 5-2 on the floor connecting bracket 5 are synchronously formed, wherein the two upper edges of the long side of the die groove 4 are rounded, which is convenient for the forming of this side 5-2 while avoiding damage to the workpiece during downward pressure forming, thereby improving the quality of the workpiece.

[0022] In the above structure, by arranging inclined surfaces matching the oblique folded edge 5-1 required to be bent on the floor connecting bracket 5 on the upper end surface of the pad 6 in the die groove 4 of the lower mold 1 and the corresponding end bottom surface of the upper mold 2, the oblique folded edge 5-1 is bent downwardly and formed by the lower mold 1 and the upper end of the pad 6 in the die groove 4 during the downward movement process, thereby improving the forming quality and efficiency, and eliminating the need for manual measurement of the bending; the upper mold 2 and the lower mold 1 with the pad 6 and the lifting molding device in the die groove 4 are adopted, and when the upper mold 1 and the lifting molding device are synchronously moved downward, the upper mold 2, the upper edge and side wall of the long side of the die groove 4 and the upper end of the pad 6 jointly act to realize the synchronous forming of the oblique folded edge 5-1 and the two flanges 5-2 on the floor connecting bracket 5, thereby providing bending conditions for the flanges 5-2 and the bent edge 5-1 on both sides of the floor connecting bracket 5.

[0023] The specific structure of the lifting molding device is as follows: the lifting molding device includes a movable mold 8, the movable mold 8 is centrally adapted in the mold groove 4, and is adapted to the L-shaped groove at the upper end of the pad 6, and the bottom of the movable mold 8 is elastically connected to the base 3; wherein the specific installation structure of the movable mold 8 is as follows: the bottom surface of the movable mold 8 is fixed with a plurality of guide columns 9 with the lower ends extending into the through holes on the pad 6 and the lower mold 1 along its length direction, the upper end surface of the base 3 is formed with a plurality of mounting grooves 10 corresponding to the positions of the guide columns 9, and the lower end is fixed in the mounting groove 10 and passes through the through holes on the pad 6 and the lower mold 1 and the upper end of the spring 11 set with the guide column 9 is against the bottom surface of the movable mold 8; in the above structure, by setting the elastic support structure of the spring 11 and the guide column 9 for the movable mold 8, the bending of the flange 5-2 is provided with the downward movement condition of the movable mold 8, and it is beneficial to push the bent floor connection bracket 5 out of the mold while the movable mold 8 is moved up and reset, and the mold molding quality and continuous operability are good;

[0024] In order to ensure the reliability of the position of the floor connection bracket 5 when pressing down and avoid slippage and deflection, a plurality of positioning columns 12 are elastically installed inside the upper mold 2 along its length direction, and the lower end of the positioning column 12 is extended out of the bottom of the upper mold 2 and is contracted and pressed against the floor connection bracket 5 for positioning when the bottom surface of the upper mold 2 contacts the upper end surface of the floor connection bracket 5; in the above structure, the upper end surface of the upper mold 2 is evenly distributed with a plurality of stepped holes penetrating its bottom surface along its length direction, and the T-shaped positioning column 12 is arranged in the stepped hole, the upper end of the telescopic spring is fixed on the bottom surface of the punching machine moving punch 7, and the lower end is fixed to the positioning column 1 2, the lower end of the positioning column 12 is arranged through the stepped hole, and the stepped surface on the inner wall of the stepped hole cooperates with the bottom surface of the large end of the positioning column 12 to position the positioning column 12 downward. When the lower die 2 moves downward, the lower end of the positioning column 12 contacts the top surface of the floor connecting bracket 5, and the telescopic spring is compressed as the lower die 2 moves downward until the lower end surface of the lower die 2 contacts the top surface of the floor connecting bracket 5. At this time, under the action of the telescopic spring, the lower end of the positioning column 12 is pressed against the top surface of the floor connecting bracket 5, so as to realize the positioning of the floor connecting bracket 5 and ensure the reliability of the position of the floor connecting bracket 5 during the bending process.

[0025] The technical solution has a simple structure, novel design, low cost, improves the processing efficiency and quality of the floor connection bracket 5, meets the requirements of mass production, has good bending consistency, low cost, and high use value.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A flanging and bending forming die for a floor connection bracket, characterized in that: The invention comprises a lower die (1) fixed on a base (3) and an upper die (2) located above the lower die (1); the upper die (2) is in a stepped structure with a lower end dimension smaller than an upper end dimension, and the upper end of the upper die (2) is fixed on a moving punch (7) of a punch press; a die groove (4) is formed on the upper end surface of the lower die (1), and a pad (6) is fixed in the die groove (4) for forming an oblique folded edge (5-1) at one end of a floor connecting bracket (5) by cooperating with the lower end of the upper die (2); the pad (6) is in a horizontal L-shaped structure, and is arranged in a lifting type in the die groove (4). The mold device is adapted to the pad (6), the lower end of the upper mold (2) is adapted to the mold groove (4) and the upper end of the pad (6), and a gap not less than the thickness of the flange (5-2) of the floor connection bracket (5) is reserved between the two long sides of the lower end of the upper mold (2) and the groove wall on the same side of the mold groove (4). When the upper mold (2) and the lifting mold forming device move downward synchronously, under the joint action of the upper mold (2) and the upper edge and side wall of the long side of the mold groove (4) and the upper end of the pad (6), the upper oblique fold (5-1) and the two flanges (5-2) of the floor connection bracket (5) are synchronously formed.

2. The flanging and bending forming die for the floor connection bracket according to claim 1, characterized in that: The lifting mold forming device comprises a movable mold (8), the movable mold (8) is centrally fitted in the mold groove (4) and is fitted with the L-shaped groove at the upper end of the pad (6), and the bottom of the movable mold (8) is elastically connected to the base (3).

3. The flanging and bending forming die for the floor connection bracket according to claim 2, characterized in that: The bottom surface of the movable mold (8) is fixed with a plurality of guide columns (9) along its length direction, the lower ends of which extend into through holes on the backing plate (6) and the lower mold (1); the upper end surface of the base (3) is provided with a plurality of mounting grooves (10) corresponding to the positions of the guide columns (9); and the lower ends of springs (11) are fixed in the mounting grooves (10) and extend through through holes on the backing plate (6) and the lower mold (1), and the upper ends of the springs (11) which are fitted with the guide columns (9) are abutted against the bottom surface of the movable mold (8).

4. The flanging and bending forming die for the floor connection bracket according to claim 1, characterized in that: A plurality of positioning columns (12) are elastically mounted inside the upper mold (2) along its length direction, and the lower ends of the positioning columns (12) extend out of the bottom of the upper mold (2) and are contracted and pressed against the floor connection bracket (5) for positioning when the bottom surface of the upper mold (2) contacts the upper end surface of the floor connection bracket (5).

5. The flanging and bending forming die for a floor connection bracket according to any one of claims 1 to 4, characterized in that: The upper end surface of the pad (6) and the corresponding end bottom surface of the upper die (2) are both inclined surfaces that match the inclined folding edge (5-1) required for bending.

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