A forming die for bending edge plates

Abstract

This utility model relates to the field of sheet metal bending technology, specifically disclosing a forming mold for edge plate bending processing, including a lower mold base and a guide rod, and an auxiliary unloading mechanism. The lower mold is mounted on the auxiliary unloading mechanism, and auxiliary bending mechanisms are provided on both sides of the lower mold. An upper mold base is mounted on the guide rod, and an upper mold fixing block is fixed to the lower surface of the upper mold base. A second telescopic spring is fixed inside the upper mold fixing block, and a pressure plate is fixed to the lower end of the second telescopic spring. Upper molds are provided on both sides of the pressure plate. Through the auxiliary bending mechanism and the pressure plate, this utility model allows the press to drive the upper mold base downwards, causing the pressure plate and the upper mold to simultaneously contact the edge plate. As the pressure continues to fall, the pressure plate compresses the second telescopic spring, maintaining pressure on the edge plate. After the upper mold bends the edge plate, an auxiliary trapezoidal block applies pressure to the bending block, and the inclined surface drives the bending block to move, performing a secondary bending of the edge plate. This prevents the edge plate from warping in the middle during processing, improving processing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of sheet metal bending mold technology, and in particular to a forming mold for edge plate bending processing. Background Technology

[0002] A safe is a special type of container. Based on their function, they are mainly divided into fireproof safes, anti-theft safes, anti-magnetic safes, fireproof and anti-magnetic safes, and fireproof and anti-theft safes, etc. Each type of safe has its own national standard. Most safes on the market are the first two types. Based on different password working principles, anti-theft safes can also be divided into mechanical safes and electronic safes. The former is characterized by its lower price and more reliable performance. Early safes were mostly mechanical safes. Electronic safes apply electronic locks with intelligent control methods such as electronic passwords and IC cards. Their advantage is ease of use, especially in hotels where passwords need to be changed frequently; therefore, electronic safes are more convenient.

[0003] A bending die is a tool used by a bending machine to shape and process sheet metal. This tool consists of various parts, with different dies composed of different parts. It primarily achieves the shaping of an object by changing the physical state of the material being formed. It is used to shape a blank into a part with a specific shape and size under the pressure of the bending machine. An existing forming die for bending a safe side panel (publication number CN119608875A) uses an auxiliary ejection mechanism. A hydraulic cylinder drives a top block to move up and down, thereby causing the lower dies on both sides to slide laterally. This allows the lower dies to move towards the center after bending, detaching the side panel from the lower dies for easy unloading. However, the upper die of this die needs to contact both sides of the side panel before bending, but the upper die fixing block does not contact the side panel. This may cause the middle of the side panel to warp during bending, leading to processing offset and preventing normal bending, thus affecting processing efficiency. Utility Model Content

[0004] The purpose of this utility model is to provide a forming mold for edge plate bending processing in order to solve the above-mentioned problems.

[0005] This utility model achieves the above objectives through the following technical solutions:

[0006] A forming mold for edge plate bending includes a lower mold base and guide rods, and an auxiliary unloading mechanism. The auxiliary unloading mechanism includes two sets of left and right support rods fixed on the lower mold base. A movable plate is slidably arranged on the support rods. A limiting plate is fixed at the top of each set of support rods. A first telescopic spring is sleeved on the outer surface of the support rod between the movable plate and the limiting plate. Each limiting plate is slidably connected to the lower mold. A first return spring is arranged in the groove between the limiting plate and the lower mold. A top block is fixed on the upper surface of the movable plate. A cylinder is installed on the lower surface of the movable plate.

[0007] The lower mold has auxiliary bending mechanisms on both sides. The auxiliary bending mechanisms include a bracket fixed on the lower mold base, a fixed plate fixed on the bracket, a sliding rod passing through the fixed plate, a second return spring sleeved on the outer surface of the sliding rod, and a bending block fixed at one end of the sliding rod.

[0008] An upper mold base is installed on the guide rod. An upper mold fixing block and a trapezoidal block corresponding to the bending block are fixed on the lower surface of the upper mold base. Multiple sets of annular grooves are opened on the lower surface of the upper mold fixing block. A second telescopic spring is fixed in the annular groove of the upper mold fixing block. A pressure plate is fixed at the lower end of the second telescopic spring. Upper molds are provided on both sides of the pressure plate.

[0009] Further configuration: multiple sets of support rods are provided opposite each other, the movable plate is slidably connected to the support rods, and the two ends of the first telescopic spring are fixed to the movable plate and the limiting plate respectively.

[0010] Further configuration: The limiting plate is slidably connected in the lower mold groove, the lower mold is slidably connected to the top block, and the two ends of the first reset spring are fixed to the limiting plate and the lower mold respectively.

[0011] Further configuration: The slide rod is slidably connected to the fixed plate, a T-shaped groove is provided on the bracket, a T-shaped slider is provided at the bottom of the bending block, the T-shaped slider is slidably connected in the T-shaped groove, and the two ends of the second return spring are fixed to the slide rod and the fixed plate respectively.

[0012] Further configuration: The trapezoidal block is fixed on the upper mold base, and the pressure plate is slidably connected to the upper mold.

[0013] Further configuration: A sliding groove is provided on the side of the lower mold, and a limiting plate is slidably disposed in the sliding groove on one side. A first return spring is installed in the sliding groove, with one end of the first return spring connected to the limiting plate and the other end connected to one end face of the sliding groove.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] By setting up an auxiliary bending mechanism and a pressure plate, the press drives the upper die base to descend, so that the pressure plate and the upper die simultaneously contact the side plate. When pressing down, the pressure plate compresses the second telescopic spring to contract, always maintaining pressure on the side plate. After the upper die bends the side plate, the trapezoidal block of the auxiliary bending mechanism applies pressure to the bending block. The inclined plane drives the bending block to move, performing a secondary bend on the side plate. This can prevent the side plate from warping in the middle during processing, improving processing quality and efficiency. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is an isometric view of a forming mold for bending edge plates according to the present invention;

[0018] Figure 2 This is a front view of a forming mold for bending edge plates according to the present invention;

[0019] Figure 3 This is a cross-sectional view of a forming mold for bending edge plates according to the present invention;

[0020] Figure 4 This is a schematic diagram of the auxiliary unloading mechanism of a forming mold for side plate bending processing according to the present invention.

[0021] The annotations in the attached figures are explained as follows:

[0022] 1. Lower mold base; 2. Guide rod; 3. Auxiliary unloading mechanism; 31. Support rod; 32. Moving plate; 33. First telescopic spring; 34. Limiting plate; 35. Top block; 36. Cylinder; 4. Lower mold; 5. First return spring; 6. Auxiliary bending mechanism; 61. Bracket; 611. T-shaped slide; 62. Fixing plate; 63. Slide rod; 64. Second return spring; 65. Bending block; 651. T-shaped slider; 66. Trapezoidal block; 7. Upper mold base; 8. Upper mold fixing block; 9. Second telescopic spring; 10. Pressure plate; 11. Upper mold. Detailed Implementation

[0023] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] The present invention will be further described below with reference to the accompanying drawings:

[0026] like Figures 1-4 As shown, a forming mold for bending a side plate includes a lower mold base 1 and a guide rod 2, and also includes an auxiliary unloading mechanism 3. A lower mold 4 is installed on the auxiliary unloading mechanism 3. The lower mold 4 has a sliding groove on its side. A first return spring 5 is installed in the sliding groove of the lower mold 4. The first return spring 5 is used to drive the lower mold 4 to return to its original position. An auxiliary bending mechanism 6 is provided on both sides of the lower mold 4. An upper mold base 7 is installed on the guide rod 2. An upper mold fixing block 8 is fixed on the lower surface of the upper mold base 7. Multiple sets of annular grooves are opened on the lower surface of the upper mold fixing block 8. A second telescopic spring 9 is fixed in the annular groove of the upper mold fixing block 8. A pressure plate 10 is fixed at the lower end of the second telescopic spring 9. The pressure plate 10 is used to press the side plate. An upper mold 11 is provided on both sides of the pressure plate 10. The upper mold 11 is used to bend the side plate.

[0027] In this embodiment: the auxiliary unloading mechanism 3 includes a support rod 31 fixed on the lower mold base 1, a movable plate 32 installed on the support rod 31, a first telescopic spring 33 sleeved on the outer surface of the support rod 31, a limit plate 34 fixed at the top of the support rod 31, a top block 35 fixed on the upper surface of the movable plate 32, a cylinder 36 installed on the lower surface of the movable plate 32, the cylinder 36 is used to drive the movable plate 32 to rise and fall, the movable plate 32 is used to drive the top block 35 to rise and fall, the top block 35 is used to push open the lower mold 4, the support rod 31 is used for support, the limit plate 34 is used to limit the lateral movement direction of the lower mold 4, multiple sets of support rods 31 are arranged opposite each other, the movable plate 32 is slidably connected to the support rod 31, the two ends of the first telescopic spring 33 are respectively fixed on the movable plate 32 and the limit plate 34, the limit plate 34 is slidably connected in the slide groove of the lower mold 4, the lower mold 4 is slidably connected to the top block 35, and the two ends of the first reset spring 5 are respectively fixed on the limit plate 34 and the lower mold 4.

[0028] In this embodiment: the auxiliary bending mechanism 6 includes a bracket 61 fixed on the lower die base 1, a fixing plate 62 fixed on the bracket 61, a sliding rod 63 passing through the fixing plate 62, a second return spring 64 sleeved on the outer surface of the sliding rod 63, a bending block 65 fixed at one end of the sliding rod 63, the bending block 65 being used to bend the side plate, a trapezoidal block 66 being provided opposite above the bending block 65, the trapezoidal block 66 being used to move the bending block 65 laterally, the second return spring 64 being used to drive the bending block 65 to return to its original position, the sliding rod 63 being used for guidance, the sliding rod 63 being slidably connected to the fixing plate 62, a T-shaped groove 611 being provided on the bracket 61, a T-shaped slider 651 being provided at the bottom of the bending block 65, the T-shaped slider 651 being slidably connected in the T-shaped groove 611, the two ends of the second return spring 64 being fixed to the sliding rod 63 and the fixing plate 62 respectively, the trapezoidal block 66 being fixed on the upper die base 7, and the pressure plate 10 being slidably connected to the upper die 11.

[0029] The working principle and usage process of this utility model are as follows: The cylinder 36 of the auxiliary unloading mechanism 3 extends, driving the moving plate 32 to move upward, thereby driving the top block 35 to rise, which in turn causes the lower mold 4 to move laterally to both sides along the limiting plate 34, placing the side plate on the lower mold 4. The press drives the upper mold base 7 to descend, thereby driving the upper mold 11 and the pressure plate 10 to descend. When the pressure plate 10 contacts the side plate, the pressure plate 10 compresses the second telescopic spring 9 to retract upward, and the upper mold 11 continues to descend to bend the side plate. When the ladder of the auxiliary bending mechanism 6... When the shaped block 66 contacts the bending block 65, the bending block 65 is guided by the inclined plane to move laterally along the slide groove of the bracket 61 to perform a secondary bending of the side plate. After processing, the press drives the upper mold base 7 to rise, thereby driving the pressure plate 10, the upper mold 11 and the trapezoidal block 66 to rise. The second return spring 64 rebounds, driving the bending block 65 to return to its original position. The cylinder 36 of the auxiliary unloading mechanism 3 drives the top block 35 to fall through the moving plate 32. The first return spring 5 rebounds, driving the lower mold 4 to return to the center, thereby causing the side plate to detach from the lower mold 4.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A forming die for bending edge plates, comprising a lower die base (1) and a guide rod (2), characterized in that: It also includes an auxiliary unloading mechanism (3), which includes two sets of left and right support rods (31) fixed on the lower mold base (1). A moving plate (32) is slidably arranged on the support rod (31). A limiting plate (34) is fixed at the top of each set of support rods (31). A first telescopic spring (33) is sleeved on the outer surface of the support rod (31) between the moving plate (32) and the limiting plate (34). Each limiting plate (34) is slidably connected to the lower mold (4). A first reset spring (5) is arranged in the groove between the limiting plate (34) and the lower mold (4). A top block (35) is fixed on the upper surface of the moving plate (32). A cylinder (36) is installed on the lower surface of the moving plate (32). The lower mold (4) is provided with auxiliary bending mechanisms (6) on both sides. The auxiliary bending mechanism (6) includes a bracket (61) fixed on the lower mold base (1), a fixing plate (62) fixed on the bracket (61), a sliding rod (63) passing through the fixing plate (62), a second return spring (64) sleeved on the outer surface of the sliding rod (63), and a bending block (65) fixed at one end of the sliding rod (63). The guide rod (2) is equipped with an upper mold base (7). The lower surface of the upper mold base (7) is fixed with an upper mold fixing block (8) and a trapezoidal block (66) corresponding to the bending block (65). The lower surface of the upper mold fixing block (8) has multiple sets of annular grooves. The annular groove of the upper mold fixing block (8) is fixed with a second telescopic spring (9). The lower end of the second telescopic spring (9) is fixed with a pressure plate (10). The pressure plate (10) has upper molds (11) on both sides.

2. The forming die for edge plate bending according to claim 1, characterized in that: The support rods (31) are arranged in multiple sets opposite to each other. The movable plate (32) is slidably connected to the support rods (31). The two ends of the first telescopic spring (33) are respectively fixed on the movable plate (32) and the limiting plate (34).

3. The forming die for edge plate bending according to claim 1, characterized in that: The limiting plate (34) is slidably connected in the groove of the lower mold (4), the lower mold (4) is slidably connected to the top block (35), and the two ends of the first reset spring (5) are respectively fixed on the limiting plate (34) and the lower mold (4).

4. The forming die for edge plate bending according to claim 1, characterized in that: The slide rod (63) is slidably connected to the fixing plate (62), the bracket (61) is provided with a T-shaped slide groove (611), the bottom of the bending block (65) is provided with a T-shaped slider (651), the T-shaped slider (651) is slidably connected in the T-shaped slide groove (611), and the two ends of the second return spring (64) are respectively fixed on the slide rod (63) and the fixing plate (62).

5. The forming die for edge plate bending according to claim 1, characterized in that: The trapezoidal block (66) is fixed on the upper mold base (7), and the pressure plate (10) is slidably connected to the upper mold (11).

6. The forming die for edge plate bending according to claim 1, characterized in that: The lower mold (4) has a sliding groove on its side. The limiting plate (34) is slidably disposed in the sliding groove on one side. A first reset spring (5) is installed in the sliding groove. One end of the first reset spring (5) is connected to the limiting plate (34), and the other end is connected to one end face of the sliding groove.

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