Flanging mechanism for automobile storage battery bracket

By designing a flanging mechanism for automotive battery trays, and utilizing the coordinated movement of nitrogen springs and flanging inserts, the problem of multi-process flanging was solved, achieving efficient production and accurate positioning, and reducing costs.

CN224222433UActive Publication Date: 2026-05-12JIANGSU HENGJIN AUTOMOBILE PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU HENGJIN AUTOMOBILE PARTS CO LTD
Filing Date
2025-04-27
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

The production of automotive battery brackets requires multiple flanging processes, which is time-consuming, labor-intensive, and increases costs, severely impacting production efficiency.

Method used

A flanging mechanism for an automotive battery bracket was designed, comprising an upper mold mechanism and a lower mold mechanism. The mechanism utilizes the coordinated movement of a nitrogen spring and a flanging insert to achieve multi-angle flanging of the product, and achieves accurate positioning through the cooperation of a positioning pin and a limit block.

Benefits of technology

It simplifies the number of mold-making processes, saves costs, and improves production efficiency and product manufacturing accuracy.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224222433U_ABST
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Abstract

The utility model discloses an automobile storage battery bracket flanging mechanism, which relates to the technical field of automobile part manufacturing and production and comprises an upper die mechanism and a lower die mechanism, the lower die mechanism is arranged below the upper die mechanism, and a product to be flanged is arranged between the upper die mechanism and the lower die mechanism. The acting force of a plurality of upper nitrogen springs in the mechanism is larger than that of a plurality of lower nitrogen springs, the actual flanging height of the inner side edge of a flanging insert is larger than the actual flanging height of a product, and the height of the side edge of a lower movable insert cannot exceed the actual flanging height of the product (because the product has a negative angle after being flanged, interference cannot be caused; the two sides of the product are subjected to flanging and shaping under the matching use of the lower movable insert and the flanging insert, so that the number of procedures of the die is reduced, the cost is saved, and the production efficiency is greatly improved.
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Description

Technical Field

[0001] This utility model relates to the field of automotive parts manufacturing technology, and in particular to an automotive battery bracket flange mechanism. Background Technology

[0002] like Figure 1 As shown, the car battery bracket has negative angles and ribs on three sides, especially a pair of opposite negative angles, such as... Figure 1 As shown in Figure 1 and Figure 2, negative angles 1 and 2 cannot be flanged together in a typical flanging mold because the product has a pair of opposing negative angles, making it difficult to remove the part along the vertical or horizontal direction of the mold. This product not only has a pair of opposing negative angles but also ribs on the sides. Therefore, if the part is to be removed along the front-back direction of the mold, the protrusions on the upper surface of the product and the interference points of the ribs need to be processed separately, which poses a significant challenge to the accuracy and stability of the product. Besides the part removal problem caused by the opposing negative angles, negative angles 1 and 3, or negative angles 2 and 3, cannot be flanged together because they also face the same part removal problem. Therefore, in principle, a three-stage flanging mold is required, which is time-consuming, labor-intensive, and increases costs. Utility Model Content

[0003] The technical problem this invention aims to solve is that the production of automotive battery brackets requires multiple flanging processes, which is time-consuming, labor-intensive, and increases costs, severely impacting production efficiency.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0005] A flanging mechanism for an automotive battery tray, specifically comprising an upper mold mechanism and a lower mold mechanism, wherein the lower mold mechanism is disposed below the upper mold mechanism, and the product to be flanged is disposed between the upper mold mechanism and the lower mold mechanism.

[0006] The upper mold mechanism includes an upper mold mounting plate, an upper mold base, several upper nitrogen springs, a nitrogen spring mounting plate, an upper pressure material, and a flange insert. The upper mold mounting plate is connected to a slide block on the machine tool. The several upper nitrogen springs are evenly spaced and fitted in the middle of the upper mold base. The several upper nitrogen springs and the upper mold base are fixedly mounted below the upper mold mounting plate by the nitrogen spring mounting plate. An upper fixing block is fitted around the upper pressure material and is fixedly mounted below the upper mold base. The upper pressure material is fixedly connected to the upper mold base by limiting bolts. The flange insert is snapped onto the left and right sides below the upper fixing block.

[0007] The lower mold mechanism includes a positioning pin, a lower movable insert, a first lower fixed insert, a second lower fixed insert, several lower nitrogen springs, and a lower mold base. Two lower movable inserts are provided, both with inner beveled surfaces, and are positioned opposite each other. The first lower fixed insert is positioned above the second lower fixed insert, with an outer beveled surface, and is fitted between the two lower movable inserts. The first lower fixed insert is in close contact with the beveled surfaces of the two lower movable inserts. The positioning pin is located on the upper surface of the first lower fixed insert, corresponding to a positioning hole in the center of the product to be flanged. Several lower nitrogen springs are evenly spaced in the second lower fixed insert, and each spring abuts against the lower surface of one of the two lower movable inserts. The second lower fixed insert is fixedly mounted on the upper surface of the lower mold base, and the lower mold base is fixedly connected to the lower worktable of the machine tool.

[0008] The flanged inserts on the left and right sides below the upper fixed block are correspondingly arranged with the two lower movable inserts. The upper pressure plate is fitted in the middle of the fixed block and locked to the upper mold base by the limiting bolts. During the up and down movement of the machine tool, the upper pressure plate moves up and down under the action of the nitrogen spring, and the flanged inserts and the lower movable inserts cooperate to complete the flanged movement.

[0009] Preferably, the force of the upper nitrogen springs is greater than the force of the lower nitrogen springs.

[0010] Preferably, the inner side of the bottom of the flanged insert is provided with a groove, and the side of the lower movable insert is provided with a protrusion, with the groove and the protrusion being arranged opposite to each other.

[0011] Preferably, the actual flange height of the inner side of the flanged insert is greater than the actual flange height of the product, and the side height of the lower movable insert is not higher than the actual flange height of the product.

[0012] Preferably, there are six upper nitrogen springs, and the six upper nitrogen springs are arranged in two rows at even intervals.

[0013] Preferably, there are six lower nitrogen springs, which are arranged in two rows at equal intervals and are respectively located below two lower movable inserts.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] (1) This utility model provides a flanging mechanism for an automotive battery bracket. Specifically, it includes an upper mold mechanism and a lower mold mechanism. The lower mold mechanism is located below the upper mold mechanism, and the product to be flanged is located between the upper mold mechanism and the lower mold mechanism. The upper mold mechanism includes an upper mold mounting plate, an upper mold base, several upper nitrogen springs, a nitrogen spring mounting and fixing plate, an upper pressure material, and a flanging insert. The lower mold mechanism includes a positioning pin, a lower movable insert, a lower fixed insert one, a lower fixed insert two, several lower nitrogen springs, and a lower mold base. The upper mold mechanism includes an upper mold, several upper nitrogen springs, a pressure block, and an upper pressure material. The worktable includes several positioning columns. The lower mold mechanism includes a lower movable insert, a lower fixed insert, several lower nitrogen springs, and a lower mold. After the machine tool is closed, the lower movable insert opens to both sides. Then, the lower movable insert and the flanging insert work together to fold and shape the two sides of the product. This not only solves the problem of difficult part removal but also saves the number of mold processes, saves costs, and greatly improves production efficiency.

[0016] (2) In this utility model, a positioning pin is provided on the lower fixed insert. The positioning pin is used in conjunction with the positioning hole in the middle of the product. At the same time, a limit block is also provided around the perimeter, which can quickly place the product on the positioning pin. The positioning pin is used to accurately position the product, which greatly improves the accuracy of product manufacturing and the accuracy of subsequent mold maintenance. Attached Figure Description

[0017] Figure 1 A schematic diagram of the structure of a car battery bracket;

[0018] Figure 2 An exploded view of a flanged mechanism for an automotive battery holder;

[0019] Figure 3 A detailed drawing of the lower mold mechanism in a flanging mechanism for an automotive battery bracket;

[0020] Figure 4 This is a schematic diagram of the internal structure of a flanging mechanism for an automotive battery bracket.

[0021] Figure 5 This is a longitudinal sectional view of a flange mechanism for an automotive battery holder.

[0022] In the diagram, 1-Car battery bracket negative angle one, 2-Car battery bracket negative angle two, 3-Car battery bracket negative angle three, 4-Upper mold mounting plate, 5-Upper mold base, 6-Upper nitrogen spring, 7-Nitrogen spring mounting plate, 8-Upper pressure material, 9-Flanged insert, 10-Upper fixing block, 11-Positioning pin, 12-Lower movable insert, 13-Lower fixed insert one, 14-Lower fixed insert two, 15-Lower nitrogen spring, 16-Lower mold base. Detailed Implementation

[0023] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0024] like Figure 1-5 As shown, a flanging mechanism for an automotive battery tray specifically includes an upper mold mechanism and a lower mold mechanism. The lower mold mechanism is located below the upper mold mechanism, and the product to be flanged is placed between the upper mold mechanism and the lower mold mechanism.

[0025] like Figure 2 As shown, the upper mold mechanism includes an upper mold mounting plate 4, an upper mold base 5, several upper nitrogen springs 6, a nitrogen spring mounting plate 7, an upper pressure material 8, and a flange insert 9. The upper mold mounting plate 4 is connected to the slide block on the machine tool. Several upper nitrogen springs 6 are evenly spaced and fitted in the middle of the upper mold base 5. Several upper nitrogen springs 6 and the upper mold base 5 are fixedly installed below the upper mold mounting plate 4 through the nitrogen spring mounting plate 7. An upper fixing block 10 is fitted on the outside of the upper pressure material 8. The upper fixing block 10 is fixedly installed below the upper mold base 5, and the upper pressure material 8 is fixedly connected to the upper mold base 5 through limit bolts. The flange insert 9 is snapped on the left and right sides below the upper fixing block 10.

[0026] like Figure 3 As shown, the lower mold mechanism includes a locating pin 11, a lower movable insert 12, a lower fixed insert one 13, a lower fixed insert two 14, several lower nitrogen springs 15, and a lower mold base 16. Two lower movable inserts 12 are provided, both with inner beveled surfaces, and are positioned opposite each other. The lower fixed insert one 13 is positioned above the lower fixed insert two 14, with an outer beveled surface, and is fitted between the two lower movable inserts 12. The fixed insert 13 is tightly fitted to the inclined surfaces of the two lower movable inserts 12. The positioning pin 11 is set on the upper surface of the lower fixed insert 13, and the positioning pin 11 is correspondingly set to the positioning hole in the middle of the product to be flanged. A number of lower nitrogen springs 15 are evenly spaced in the lower fixed insert 14, and the number of lower nitrogen springs 15 abuts against the lower surfaces of the two lower movable inserts 12 respectively. The lower fixed insert 14 is fixedly set on the upper surface of the lower mold base 16, and the lower mold base 16 is fixedly connected to the lower worktable of the machine tool.

[0027] like Figure 4 and 5As shown, the flanged inserts 9 on the left and right sides below the upper fixed block 10 are correspondingly arranged with the two lower movable inserts 12. The inner bottom edge of the flanged insert 9 has a groove, and the side edge of the lower movable insert 12 has a protrusion. The groove and the protrusion are arranged opposite each other. The actual flange height of the inner edge of the flanged insert 9 is greater than the actual flange height of the product, and the side height of the lower movable insert 12 is not higher than the actual flange height of the product. Preferably, as... Figure 2 As shown, in this application, there are six upper nitrogen springs 6, and the six upper nitrogen springs 6 are arranged in two rows with even intervals.

[0028] Six lower nitrogen springs 15 are also provided, and the six lower nitrogen springs 15 are arranged in two rows with even intervals, and are respectively located below the two lower movable inserts 12. The force of the upper nitrogen spring 6 is greater than the force of the lower nitrogen springs 15.

[0029] Working principle:

[0030] like Figure 2-5 As shown, during the closing process of the machine tool, the upper mold mechanism and the lower mold mechanism begin to contact and continue to close. Specifically, firstly, the upper pressure material 8 abuts against the car battery bracket (product) to be flanged, the slider on the machine tool continues to apply pressure, and the two lower movable inserts 12 move diagonally downward along the side of the lower fixed insert 13, thereby opening to both sides until the lower movable insert 12 contacts the lower fixed insert 2 14, at which point the lower movable insert 12 opens to its limit; the slider on the machine tool continues to move downward, and when the pressure is greater than the force of the upper nitrogen spring 6 of the upper pressure material 8, the flanged insert 9 presses down, and the flanged insert 9, in conjunction with the lower movable insert 12, simultaneously flanges the negative angles 1 and 2 on both sides of the car battery bracket;

[0031] During the opening process of the machine tool, since the force of the upper nitrogen spring 6 is greater than that of the lower nitrogen spring 15, the upper mold mechanism first returns to its initial state, and then the lower movable insert 12 is reset to the middle by the force of the nitrogen spring 6.

[0032] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, and these variations still fall within the protection scope of this utility model.

Claims

1. A flanging mechanism for an automotive battery bracket, characterized in that: It includes an upper mold mechanism and a lower mold mechanism, wherein the lower mold mechanism is located below the upper mold mechanism, and the product to be flanged is placed between the upper mold mechanism and the lower mold mechanism. The upper mold mechanism includes an upper mold mounting plate, an upper mold base, several upper nitrogen springs, a nitrogen spring mounting plate, an upper pressure material, and a flange insert. The upper mold mounting plate is connected to a slide block on the machine tool. The several upper nitrogen springs are evenly spaced and fitted in the middle of the upper mold base. The several upper nitrogen springs and the upper mold base are fixedly mounted below the upper mold mounting plate by the nitrogen spring mounting plate. An upper fixing block is fitted around the upper pressure material and is fixedly mounted below the upper mold base. The upper pressure material is fixedly connected to the upper mold base by limiting bolts. The flange insert is snapped onto the left and right sides below the upper fixing block. The lower mold mechanism includes a positioning pin, a lower movable insert, a first lower fixed insert, a second lower fixed insert, several lower nitrogen springs, and a lower mold base. Two lower movable inserts are provided, both with inner beveled surfaces, and are positioned opposite each other. The first lower fixed insert is positioned above the second lower fixed insert, with an outer beveled surface, and is fitted between the two lower movable inserts. The first lower fixed insert is in close contact with the beveled surfaces of the two lower movable inserts. The positioning pin is located on the upper surface of the first lower fixed insert, corresponding to a positioning hole in the center of the product to be flanged. Several lower nitrogen springs are evenly spaced in the second lower fixed insert, and each spring abuts against the lower surface of one of the two lower movable inserts. The second lower fixed insert is fixedly mounted on the upper surface of the lower mold base, and the lower mold base is fixedly connected to the lower worktable of the machine tool. The flanged inserts on the left and right sides below the upper fixed block are correspondingly set with the two lower movable inserts.

2. The automotive battery bracket flange mechanism according to claim 1, characterized in that: The force of some of the upper nitrogen springs is greater than the force of some of the lower nitrogen springs.

3. The automotive battery bracket flange mechanism according to claim 2, characterized in that: The inner side of the bottom of the flanged insert is provided with a groove, and the side of the lower movable insert is provided with a protrusion, with the groove and the protrusion being arranged opposite to each other.

4. The automotive battery bracket flange mechanism according to claim 3, characterized in that: The actual flange height of the inner side of the flanged insert is greater than the actual flange height of the product, and the side height of the lower movable insert is not higher than the actual flange height of the product.

5. The automotive battery bracket flange mechanism according to claim 4, characterized in that: There are six upper nitrogen springs, and the six upper nitrogen springs are arranged in two rows with even intervals.

6. The automotive battery bracket flange mechanism according to claim 5, characterized in that: There are six lower nitrogen springs, which are arranged in two rows at even intervals and are respectively located below the two lower movable inserts.