A metal plate forming die

Abstract

The utility model discloses a metal plate forming die, it includes upper die group, lower die group and jacking module, upper die group includes upper die fixed base and the convex die of detachably setting in the lower surface of upper die fixed base, lower die group includes lower die fixed base and sets up the concave die unit of lower die fixed base upper surface, the concave die unit includes the pair of mount pad of left and right opposite settings, detachably setting in a pair of the opposite inner side of mount pad a pair of lower die seat and setting in a pair of the lower die seat intermediate bottom and the load bearing plate of bearing product, a pair of the surface of lower die seat and load bearing plate constitutes the shaping groove of product forming, and the interval between a pair of lower die seat is adjustable, jacking module includes the jacking rod of fixing in load bearing plate bottom and jacking drive part. The utility model guarantees the forming precision, and has improved the versatility of die, operating efficiency and economy significantly, is applicable to the flexible production of diversified metal plate product.

Description

Technical Field

[0001] This utility model belongs to the field of molding die technology, and in particular relates to a metal sheet molding die. Background Technology

[0002] The rail adhesive-bonded insulating joint includes a fishplate and a protective plate disposed on the outer periphery of the fishplate. The protective plate is a metal plate, and an insulating layer is disposed between the fishplate and the protective plate. For example, the seamless railway track insulating joint disclosed in Chinese Utility Model Patent Application No. CN201120417954.4 is installed on the web of the rail. The web of the rail is arc-shaped, so the protective plate of the insulating joint also needs to be bent into an arc shape to match the shape of the web of the rail. Therefore, it is urgent to design a mold that can simultaneously complete the bending and forming of the metal plate, and also needs to obtain metal plates with different degrees of curvature to adapt to rails with different degrees of curvature.

[0003] Chinese patent CN219093419U discloses a hydraulic forming machine for steel template production and processing, comprising a fixed base, a worktable, a rotating rod, and a sliding plate. A support base is welded to the lower surface of the worktable, and a top plate is provided on the upper surface of the worktable. A sliding plate slides between the top plate and the worktable, and a shaping block is fixed to the lower surface of the sliding plate. The fixed base is bolted to the upper surface of the worktable, and a pressure block rests on the upper surface of the fixed base. A shaping groove is provided on the upper surface of the pressure block, located directly below the shaping block. Limiting strips slide symmetrically on the upper surface of the fixed base. Although this solution can achieve bending and forming of materials, the size of the shaping groove is fixed, limiting the production of products of fixed sizes and making it unsuitable for producing products of different sizes, resulting in poor versatility.

[0004] Therefore, it is necessary to provide a metal sheet forming mold to solve the above-mentioned technical problems. Utility Model Content

[0005] The main purpose of this utility model is to provide a metal sheet forming mold that, while ensuring forming accuracy, significantly improves the mold's versatility, operational efficiency, and economy, and is suitable for the flexible production of diverse metal sheet products.

[0006] This utility model achieves the above objective through the following technical solution: a metal sheet forming mold, comprising: The upper module includes an upper mold fixing seat and a punch detachably disposed on the lower surface of the upper mold fixing seat; The lower mold assembly includes a lower mold fixing base and a cavity mold unit disposed on the upper surface of the lower mold fixing base. The cavity mold unit includes a pair of mounting bases disposed opposite to each other, a pair of lower mold bases detachably disposed on the opposite inner sides of the pair of mounting bases, and a support plate disposed at the bottom center of the pair of lower mold bases and supporting the product. The surfaces of the pair of lower mold bases and the support plate form a shaping groove for product forming. The spacing between the pair of lower mold bases is adjustable. The lifting module includes a lifting rod fixed to the bottom of the support plate and a lifting drive component.

[0007] Furthermore, the lower surface of the punch is configured as an arc-shaped structure, the upper part of the lower die base is an inclined surface, and both inclined surfaces of the pair of lower die bases expand to both sides.

[0008] Furthermore, the inner side of the mounting base is provided with a mounting groove extending forward and backward, and the side of the lower mold base is provided with a protruding ridge that mates with the mounting groove.

[0009] Furthermore, a horizontally extending spacing adjustment member is provided on the outer side of the mounting base, and the end of the spacing adjustment member abuts against the protruding ridge.

[0010] Furthermore, the spacing adjustment component is a bolt, and the mounting base is provided with a threaded hole that mates with the bolt.

[0011] Furthermore, the lower mold base is provided with several horizontally extending positioning pins on the protruding ridge, and the mounting base is provided with several guide holes, with the other end of the positioning pin extending into the guide hole.

[0012] Furthermore, the mounting base is flush with the upper surface of the lower mold base and forms a bearing surface for placing the product. Several positioning blocks are provided on both sides of the bearing surface, and a positioning plate is provided at one end of the mounting base.

[0013] Furthermore, a boss is fixedly provided at the bottom of the lifting rod, and an elastic element is sleeved on the outer periphery of the lifting rod. The lower end of the elastic element abuts against the boss, and the upper end abuts against the lower surface of the lower mold fixing seat.

[0014] Furthermore, the lower end of the support plate is provided with several guide rods, and the lower mold fixing seat is provided with a guide sleeve. The guide rods are movably mounted on the lower mold fixing seat through the guide sleeve.

[0015] Furthermore, there are movable gaps between the left and right sides of the support plate and the lower mold base.

[0016] Compared with the prior art, the beneficial effects of this utility model's metal sheet forming mold are as follows: 1. Modular and replaceable design improves versatility and flexibility: The punch is detachably mounted on the upper die holder with fasteners, which makes it easy to quickly change punches with different contours according to product shape requirements, adapting to the production needs of multiple varieties and small batches; The lower die also adopts a detachable structure, and the spacing can be adjusted by adjusting the left and right positions, so that the same die can form metal plates with different opening sizes, expanding the application range of the die. 2. Adjustable spacing structure to achieve diverse product sizes: By cooperating with the spacing adjustment parts (such as bolts) and the positioning pin-guide hole, the spacing between a pair of lower templates can be precisely controlled to ensure the symmetry of the molded product, while avoiding misalignment of the templates during the adjustment process and ensuring molding accuracy; 3. Positioning and guiding mechanism to improve molding accuracy and stability: The positioning block and positioning plate limit the initial position of the metal plate to ensure accurate placement; the guide rod and guide sleeve structure ensure that the bearing plate moves smoothly during the lifting process, reduce skewness, and improve product consistency. 4. Lifting mechanism and elastic reset optimize operation efficiency: The lifting module, through the cooperation of the lifting drive component and the elastic component, realizes the lifting and automatic reset of the product after molding, which facilitates quick part removal, shortens the production cycle, and reduces the intensity of manual operation. 5. Compact and adaptable forming groove design: Through the cooperation of the punch and the flared forming groove, the metal sheet can be formed from horizontal to arc shape. The forming groove structure can be adjusted according to product requirements to meet the forming requirements of complex shapes. Therefore, this metal sheet forming mold, through its adjustable lower template, replaceable punch, and lifting mechanism, significantly improves the mold's versatility, operational efficiency, and economy while ensuring forming accuracy, making it suitable for flexible production of diverse metal sheet products. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the metal sheet forming mold according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the structure of the lower module and the lifting module in an embodiment of this utility model; Figure 3 This is a schematic diagram of the module structure in an embodiment of the present invention; Figure 4 This is a schematic diagram of the module after removing one side of the mounting base in an embodiment of this utility model; The numbers in the image represent: 100 - Metal sheet forming mold; 1-Upper module, 11-Upper mold fixing seat, 12-Punch, 13-First fastener; 2-Lower module, 21-Lower mold fixing seat, 22-Die unit, 221-Mounting seat, 2211-Mounting groove, 2212-Guide hole, 222-Lower mold base, 2221-Protruding ridge, 2222-Positioning pin, 223-Bearing plate, 224-Shaping groove, 225-Third fastener, 226-Gap adjustment piece, 227-Moveable clearance, 228-Bearing surface, 23-Second fastener, 24-Positioning block, 25-Positioning plate; 3-Lifting module, 31-Lifting rod, 33-Boss, 34-Elastic element, 35-Guide rod, 36-Guide sleeve. Detailed Implementation

[0018] Please refer to Figures 1-4 This embodiment is a metal sheet forming mold 100, which includes an upper mold assembly 1, a lower mold assembly 2 disposed below the upper mold assembly 1 and cooperating with the upper mold assembly 1 to form a product, and a lifting module 3 disposed below the lower mold assembly 2 and lifting the formed product upward. The upper mold assembly 1 includes an upper mold fixing seat 11 and a punch 12 detachably disposed on the lower surface of the upper mold fixing seat 11. The lower mold assembly 2 includes a lower mold fixing seat 21 and a die unit 22 disposed on the upper surface of the lower mold fixing seat 21. The die unit 22 includes a pair of mounting seats 221 disposed opposite to each other, a pair of lower mold seats 222 detachably disposed on opposite inner sides of the pair of mounting seats 221, and a support plate 223 disposed at the bottom center of the pair of lower mold seats 222 and supporting the product. The surfaces of the pair of lower mold seats 222 and the support plate 223 form a shaping groove 224 for product forming. The spacing between the pair of lower mold seats 222 is adjustable. The lifting module 3 includes a lifting rod 31 fixed to the bottom of the support plate 223 and a lifting drive component.

[0019] In this embodiment, the metal plate is formed from a horizontal state to an arc shape. The lower surface of the punch 12 is set as an arc structure, and the upper part of the lower die base 222 is an inclined surface. Both inclined surfaces of the pair of lower die bases 222 expand to both sides to form a flared opening. Therefore, the shaping groove 224 is also a flared opening with an outward expansion. In other embodiments, the shape of the lower surface of the punch 12 and the shape of the lower die base 222 can be adjusted according to the actual product to be formed, and are not limited here.

[0020] The metal sheet is placed above the shaping groove 224, and the punch 12 moves downward to press the metal sheet down. Through the fit between the punch 12 and the shaping groove 224, the metal sheet is formed into the corresponding shape. The punch 12 is detachably connected to the upper mold fixing seat 11 by several first fasteners 13. If other metal sheets of different shapes are to be formed, first loosen the first fasteners 13, then replace the punch 12 with other arc-shaped structures, and then tighten the first fasteners to realize the replacement of the punch 12, so as to form other metal sheets of different shapes.

[0021] A pair of mounting bases 221 are each mounted on the lower mold fixing base 21 by a number of second fasteners 23, and each lower mold base 222 is mounted on the inner side of the mounting base 221 by a number of third fasteners 225.

[0022] The first fastener 13, the second fastener 23, and the third fastener 225 are selected from one of the bolts, screws, and pins, or fasteners of other structures, without limitation.

[0023] The mounting base 221 has a front-to-back extending mounting groove 2211 on its inner side, and the lower mold base 222 has a protruding ridge 2221 on its side that mates with the mounting groove 2221. The mounting base 221 has a horizontally extending spacing adjustment member 226 on its outer side, with the end of the spacing adjustment member 226 abutting against the protruding ridge 2221. In this embodiment, the spacing adjustment member 226 is a bolt, and the mounting base 221 has a threaded hole that mates with the bolt.

[0024] The spacing between a pair of lower mold bases 222 can be adjusted by changing their left and right positions, thus enabling the molding of metal plates with different opening sizes and improving the versatility of the molding die. To adjust the position of the lower mold bases 222, first loosen the third fastener 225 and the spacing adjustment piece 226. Then, adjust the position of the lower mold bases 222 left and right, keeping the position of the lower mold bases 222 stationary. Next, tighten the spacing adjustment piece 226 so that its end abuts against the protrusion 2221 on the side of the lower mold base 222. Finally, tighten the third fastener 225 to adjust the position of the lower mold bases 222, thereby adjusting the spacing between the pair of lower mold bases 222. In this embodiment, the molded product is symmetrical; therefore, when adjusting the spacing between the pair of lower mold bases 222, both the left and right lower mold bases 222 need to be adjusted simultaneously using the same method.

[0025] In other embodiments, if it is necessary to adjust the spacing between a pair of lower mold bases 222, the adjustment method is as described above. However, it is not limited to which lower mold base 222 to adjust or whether both lower mold bases 222 need to be adjusted. The position of one or both lower mold bases 222 can be adjusted according to the actual situation.

[0026] When adjusting the spacing between a pair of lower mold bases 222, the lower mold bases 222 need to be moved left and right. In order to avoid the front and back positions of the lower mold bases 222 being offset, the lower mold bases 222 are provided with several horizontally extending positioning pins 2222 on the protrusion 2221, and the mounting base 221 is provided with several guide holes 2212. The other end of the positioning pins 2222 extends into the guide holes 2212. The cooperation between the positioning pins 2222 and the guide holes 2212 ensures that the pair of lower mold bases 222 can only move closer to each other or further away from each other, thus avoiding front and back misalignment that would affect the molding accuracy.

[0027] The mounting base 221 is flush with the upper surface of the lower mold base 222 and forms a bearing surface 228 for placing a horizontal metal plate. Several positioning blocks 24 are provided on both sides of the bearing surface 228. A positioning plate 25 is provided at one end of the mounting base 221. Several positioning blocks 24 are arranged on a pair of mounting bases 221 to limit the two sides of the horizontal metal plate. The positioning plate 25 limits one end of the metal plate, thereby ensuring the accuracy of subsequent molding.

[0028] A boss 33 is fixedly provided at the bottom of the lifting rod 31, and an elastic element 34 is sleeved on the outer periphery of the lifting rod 31. The lower end of the elastic element 34 abuts against the boss 33, and the upper end abuts against the lower surface of the lower mold fixing seat 21. After the metal plate is formed, the lifting drive drives the lifting rod 31 to lift the bearing plate 223, thereby lifting the formed metal plate. At this time, the elastic element 34 is compressed, and the lifted metal plate can be easily removed. After the formed metal plate is removed, the lifting drive releases the force, and the elastic element 34 extends to drive the bearing plate 223 to descend, ready for the next forming action. The lifting drive can be a cylinder or a motor, located directly below the lifting rod 31, or other types of drive components, which are not limited here.

[0029] To facilitate the up-and-down movement of the support plate 223, a movable gap 227 is provided between the left and right sides of the support plate 223 and the lower mold base 222. The movable gap 227 can facilitate the up-and-down movement of the support plate 223 and also facilitate the left and right movement of the support plate 223. The size of the movable gap 227 is set according to the actual situation and is not limited here.

[0030] To ensure the stability of the vertical movement of the support plate 223, several guide rods 35 are provided at the lower end of the support plate 223, and a guide sleeve 36 is provided on the lower mold fixing seat 21. The guide rods 35 are movably mounted on the lower mold fixing seat 21 through the guide sleeve 36.

[0031] The lower mold fixing base 21 is provided with several clearance holes, which are used for the lifting rod 31 or the guide rod 35 to pass through.

[0032] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.

Claims

1. A metal sheet forming mold, characterized in that, It includes: The upper module includes an upper mold fixing seat and a punch detachably disposed on the lower surface of the upper mold fixing seat; The lower mold assembly includes a lower mold fixing base and a cavity mold unit disposed on the upper surface of the lower mold fixing base. The cavity mold unit includes a pair of mounting bases disposed opposite to each other, a pair of lower mold bases detachably disposed on the opposite inner sides of the pair of mounting bases, and a support plate disposed at the bottom center of the pair of lower mold bases and supporting the product. The surfaces of the pair of lower mold bases and the support plate form a shaping groove for product forming. The spacing between the pair of lower mold bases is adjustable. The lifting module includes a lifting rod fixed to the bottom of the support plate and a lifting drive component.

2. The metal sheet forming mold as described in claim 1, characterized in that: The lower surface of the punch is configured as an arc-shaped structure, and the upper part of the lower die base is an inclined surface. Both inclined surfaces of the pair of lower die bases expand to both sides.

3. The metal sheet forming mold as described in claim 1, characterized in that: The inner side of the mounting base is provided with a mounting groove that extends forward and backward, and the side of the lower mold base is provided with a protruding ridge that mates with the mounting groove.

4. The metal sheet forming mold as described in claim 3, characterized in that: The mounting base is provided with a horizontally extending spacing adjustment member on its outer side, and the end of the spacing adjustment member abuts against the protruding ridge.

5. A metal sheet forming mold as described in claim 4, characterized in that: The spacing adjustment component is a bolt, and the mounting base is provided with a threaded hole that mates with the bolt.

6. The metal sheet forming mold as described in claim 3, characterized in that: The lower mold base is provided with several horizontally extending positioning pins on the protruding ridge, and the mounting base is provided with several guide holes, with the other end of the positioning pin extending into the guide hole.

7. The metal sheet forming mold as described in claim 1, characterized in that: The mounting base is flush with the upper surface of the lower mold base and forms a bearing surface for placing the product. Several positioning blocks are provided on both sides of the bearing surface, and a positioning plate is provided at one end of the mounting base.

8. A metal sheet forming mold as described in claim 1, characterized in that: A boss is fixedly provided at the bottom of the lifting rod, and an elastic element is sleeved on the outer periphery of the lifting rod. The lower end of the elastic element abuts against the boss, and the upper end abuts against the lower surface of the lower mold fixing seat.

9. A metal sheet forming mold as described in claim 1, characterized in that: The lower end of the support plate is provided with several guide rods, and the lower mold fixing seat is provided with a guide sleeve. The guide rods are movably mounted on the lower mold fixing seat through the guide sleeve.

10. A metal sheet forming mold as described in claim 1, characterized in that: There are movable gaps between the left and right sides of the support plate and the lower mold base.

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