Plate bending and stamping die

Abstract

The utility model discloses a plate bending and stamping die, which relates to the technical field of dies, and comprises an upper die plate and a lower die plate, the lower end of the upper die plate is provided with a male die for bending, the lower die plate is provided with a lower die block, and the lower die block is provided with a profiled groove matched with the male die for use; moving positions are formed on the two sides of the upper end of the lower die block, limiting plates are arranged on the two moving positions, fixing notches used for fixing plates are formed in the two opposite sides of the two limiting plates, vertical plates are arranged on the two opposite sides of the two limiting plates, and lead screw transmission assemblies are arranged between the vertical plates and the lower die block. Clamping plates are further arranged on the two sides of the interior of the fixing notch, elastic elements connected with the inner wall of the fixing notch are arranged on the two opposite sides of the two clamping plates, plates of different lengths and widths can be limited, the plates of different sizes can be conveniently stamped and bent through the same die, the machining efficiency is improved, the plates can be positioned and placed every time, and the machining efficiency is improved. And the processing consistency is ensured.

Description

Technical Field

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

[0002] Stamping dies are special process equipment used in cold stamping to process materials into parts or semi-finished products; they are also called cold stamping dies. They apply pressure to the material, causing it to separate or undergo plastic deformation to obtain the desired parts, and are widely used in aerospace, automotive, and home appliance industries. Bending is a common stamping process using stamping dies. Its principle is to use stamping to cause plastic deformation of metal sheets, forming a certain angle to obtain the desired part shape. Specifically, the sheet metal is placed on a die, and pressure is applied to the sheet metal by a punch. Under the combined action of the die and punch, the sheet metal is bent into the required shape.

[0003] In actual production, there is often a need to bend plates of different sizes (width and length, etc.) to the same angle. However, traditional bending dies have revealed many insurmountable problems when dealing with such situations.

[0004] For example, existing bending dies are usually designed and manufactured according to specific sizes of sheet metal. As a result, when it is necessary to process sheet metal of different sizes, it is often only possible to change the die. This not only requires companies to invest a lot of money in the purchase and manufacture of dies, but also generates high dies storage costs. At the same time, frequent die changes will take up a lot of production time, resulting in a significant reduction in production efficiency.

[0005] Therefore, it is necessary to propose a new technical solution to address the above problems. Utility Model Content

[0006] To overcome the shortcomings mentioned above, this utility model aims to provide a technical solution that can solve the aforementioned problems.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a sheet metal bending and stamping die, comprising an upper template and a lower template, wherein a punch for bending is provided at the lower end of the upper template, and a lower module is provided on the lower template, wherein a groove for cooperating with the punch is provided on the lower module;

[0008] The lower module has movable positions on both sides of its upper end, and each movable position is provided with a limiting plate. The two limiting plates have fixing notches on opposite sides for fixing the plate material, and vertical plates are provided on opposite sides of the two limiting plates. A screw drive assembly is provided between the vertical plates and the lower module for adjusting the distance between the two limiting plates.

[0009] The fixed notch is also provided with clamping plates on both sides inside. Each of the two clamping plates has an elastic element on its opposite sides that is connected to the inner wall of the fixed notch, which is used to provide clamping force between the clamping plates and the plate.

[0010] As a further embodiment of this utility model: the lead screw transmission assembly includes a threaded sleeve disposed on a vertical plate, a lead screw passing through and threadedly connected to the threaded sleeve, and the end of the lead screw is rotatably connected to the lower module through a bearing;

[0011] It also includes a first guide rod, which passes through the vertical plate and is fixedly connected to the lower module, so that the vertical plate and the first guide rod are guided and cooperated, providing guiding force when the vertical plate moves.

[0012] As a further embodiment of this utility model: a second guide rod is provided on opposite sides of the two clamping plates, and a guide groove corresponding to the second guide rod is provided on the inner wall of the fixing notch, and the second guide rod is guided and connected to the guide groove.

[0013] As a further embodiment of this utility model: the upper end of the clamping plate has an inclined surface structure.

[0014] As a further embodiment of this utility model: guide posts are provided on both sides of the upper and lower templates to form a guiding fit between the upper and lower templates.

[0015] Compared with the prior art, the beneficial effects of this technical solution are as follows: This utility model flexibly adjusts the distance between the two limiting plates by setting a screw transmission assembly, so that plates of different lengths can be limited and fixed. The two limiting plates realize the positioning and placement of the plates each time, avoiding processing errors and ensuring processing consistency. At the same time, by setting two clamping plates connected with elastic elements, the two clamping plates can be flexibly adapted when plates of different widths need to be placed, thereby achieving the effect of fixing plates of different sizes. This facilitates the use of the same tool to stamp and bend plates of different sizes, improving processing efficiency.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] 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.

[0018] Figure 1This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the screw drive assembly and clamping plate of this utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the limiting plate of this utility model;

[0021] The corresponding labels in the attached diagram are explained as follows:

[0022] 1. Upper template; 11. Punch; 2. Lower template; 3. Lower module; 31. Groove; 32. Moving part; 4. Limiting plate; 41. Fixing notch; 42. Vertical plate; 43. Guide groove; 5. Screw drive assembly; 51. Threaded sleeve; 52. Screw; 53. First guide rod; 6. Clamping plate; 61. Inclined structure; 7. Elastic element; 8. Second guide rod; 9. Guide post. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-3 A sheet metal bending and stamping die includes an upper template 1 and a lower template 2. The lower end of the upper template 1 is provided with a punch 11 for bending. The lower template 2 is provided with a lower module 3. The lower module 3 is provided with a groove 31 that cooperates with the punch 11. Guide posts 9 are provided on both sides of the upper template 1 and the lower template 2 to form a guiding fit between the upper template 1 and the lower template 2.

[0025] In use, the upper template 1 is installed on the hydraulic device. The upper template 1 is driven by hydraulic pressure to press down and move up. When bending, the sheet metal is placed on the lower template 3. The upper template 1 and the punch 11 press down. Through the cooperation of the punch 11 and the groove 31, the sheet metal is bent into the required shape. When the upper template 1 moves, the guide posts 9 on both sides can provide a guiding effect for the upper template 1. Specifically, fixed seats are set on both sides of the upper end of the lower template 2, and guide posts 9 are fixed on the fixed seats. Guide sleeves are set on the upper template 1. The guide posts 9 pass through the guide sleeves for guiding cooperation, thereby achieving the guiding effect, improving the stability of the upper template 1 and the punch 11 during movement, and improving the processing accuracy.

[0026] The lower module 3 has two movable positions 32 on both sides of its upper end. Each movable position 32 is provided with a limiting plate 4. The two limiting plates 4 have fixing notches 41 on opposite sides for fixing the plate. The two limiting plates 4 also have vertical plates 42 on opposite sides. A screw drive assembly 5 is provided between the vertical plate 42 and the lower module 3 for adjusting the distance between the two limiting plates 4.

[0027] The fixed notch 41 is also provided with clamping plates 6 on both sides inside. The two clamping plates 6 are provided with elastic elements 7 on opposite sides that are connected to the inner wall of the fixed notch 41, which are used to provide clamping force of the clamping plates 6 on the plate.

[0028] Specifically, such as Figure 1 and Figure 2 As shown, when the sheet metal is placed on the lower module 3, the two ends of the sheet metal can be held in place by the fixing notches 41 on the two limiting plates 4. By adjusting the position of the limiting plates 4 in advance, the position between the two fixing notches 41 can be the placement position of the sheet metal each time, so that the sheet metal can be positioned in the mold, avoiding the problem of incorrect stamping position due to deviation of the sheet metal position, and ensuring the consistency of processing. A screw drive assembly 5 is set on the vertical plate 42 outside the limiting plate 4. The position of the vertical plate 42 and the limiting plate 4 can be flexibly adjusted by the screw drive assembly 5, so that the distance between the two limiting plates 4 can be adjusted according to the length of the sheet metal. The degree is adjusted; at the same time, during the process of lowering the board, the two sides of the board push the clamping plates 6 set on both sides of the fixed notch 41, causing the two clamping plates 6 to move outward. As the clamping plates 6 move, they press against the elastic element 7 between the clamping plate and the inner wall of the fixed notch 41. The elastic restoring force of the elastic element 7 acts on the clamping plate 6, thereby causing the two clamping plates 6 to apply a clamping force to the board in the middle, thereby achieving the effect of fixing the lateral position of the board during processing, further improving the positional accuracy of the board. The elasticity of the elastic element 7 allows for flexible space between the two clamping plates 6, thus adapting to boards of different widths.

[0029] In summary, this utility model flexibly adjusts the distance between the two limiting plates 4 by setting the screw transmission assembly 5, so that plates of different lengths can be fixed and positioned. The two limiting plates are used to position the plates each time, avoiding processing errors and ensuring processing consistency. At the same time, by setting two clamping plates 6 connected with elastic elements 7, the two clamping plates 6 can be flexibly adapted when plates of different widths need to be placed, thereby achieving the effect of fixing plates of different sizes. This makes it convenient to use the same tool to stamp and bend plates of different sizes, improving processing efficiency.

[0030] In this embodiment, the elastic element 7 is a spring, and the strength of the spring is selected according to actual needs. That is, the clamping force on the plate should not be too large, just enough to initially limit the plate. It is necessary to avoid excessive clamping force on the plate, which would cause the movement of both ends of the plate to become stuck when it is bent, thus affecting the bending effect.

[0031] refer to Figure 2 Preferably, the lead screw drive assembly 5 includes a threaded sleeve 51 disposed on the vertical plate 42, a lead screw 52 passing through and threadedly connected to the threaded sleeve 51, and the end of the lead screw 52 is rotatably connected to the lower module 3 through a bearing;

[0032] It also includes a first guide rod 53, which passes through the vertical plate 42 and is fixedly connected to the lower module 3, so that the vertical plate 42 and the first guide rod 53 are guided and cooperated, and provide guiding force when the vertical plate 42 moves;

[0033] Specifically, when adjusting the position of the limiting plate 4, the screw 52 is turned, and the vertical plate 42 is guided and restricted by the first guide rod 53. This allows the rotational force to be converted into translational force through the threaded connection between the screw 52 and the threaded sleeve 51, thereby enabling the vertical plate 42 to move forward or backward according to the direction of rotation, so as to achieve flexible adjustment of the position of the two limiting plates 4.

[0034] As shown in the figure, there are two first guide rods 53, located on both sides of the vertical plate 42. At the same time, a sliding sleeve is provided on the vertical plate 42 at the position corresponding to the two first guide rods 53. The first guide rods 53 pass through the sliding sleeve and are fixedly connected to the lower module 3 (the connection method can be a detachable connection such as screw connection or snap connection, which is not limited here). In this way, the two first guide rods 53 guide and restrict the vertical plate 42, preventing the vertical plate 42 from rotating when the lead screw 52 rotates, and ensuring that the vertical plate 42 can be translated.

[0035] refer to Figure 3 Preferably, the two clamping plates 6 are provided with second guide rods 8 on opposite sides, and the inner wall of the fixing notch 41 is provided with a guide groove 43 corresponding to the second guide rod 8, and the second guide rod 8 and the guide groove 43 are connected in a guiding fit.

[0036] Specifically, by setting a second guide rod 8 on the clamping plate 6 and guiding the second guide rod 8 to cooperate with the guide groove 43 in the fixed notch 41, the clamping plate 6 can maintain a straight movement when pushed by the plate, thereby avoiding the clamping plate 6 from tilting during movement and causing the plate to get stuck, thus improving the smoothness of operation.

[0037] refer to Figure 2 Furthermore, the upper end of the clamping plate 6 has a sloping structure 61;

[0038] Specifically, an inclined structure 61 is designed on the upper end of the clamping plate 6, so that during the process of lowering the plate, the guiding effect of the inclined structure 61 can be used to better convert the downward pressure into the force of the clamping plate 6 for translation.

[0039] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A sheet metal bending and stamping die, characterized in that, It includes an upper template (1) and a lower template (2). The lower end of the upper template (1) is provided with a punch (11) for bending. The lower template (2) is provided with a lower module (3). The lower module (3) is provided with a groove (31) that cooperates with the punch (11). The lower module (3) has movable positions (32) on both sides of its upper end. Each of the two movable positions (32) is provided with a limiting plate (4). Each of the two limiting plates (4) has a fixing notch (41) on its opposite sides for fixing the plate. Each of the two limiting plates (4) has a vertical plate (42) on its opposite sides. A screw drive assembly (5) is provided between the vertical plate (42) and the lower module (3) for adjusting the distance between the two limiting plates (4). The fixed notch (41) is also provided with clamping plates (6) on both sides inside. The two clamping plates (6) are provided with elastic elements (7) connected to the inner wall of the fixed notch (41) on opposite sides to provide clamping force of the clamping plates (6) on the plate.

2. The sheet metal bending and stamping die according to claim 1, characterized in that, The lead screw drive assembly (5) includes a threaded sleeve (51) disposed on a vertical plate (42), a lead screw (52) passing through and threadedly connected to the threaded sleeve (51), and the end of the lead screw (52) is rotatably connected to the lower module (3) through a bearing; It also includes a first guide rod (53), which passes through the vertical plate (42) and is fixed to the lower module (3), so that the vertical plate (42) and the first guide rod (53) cooperate in a guiding manner, and provide guiding force when the vertical plate (42) moves.

3. The sheet metal bending and stamping die according to claim 1, characterized in that, The two clamping plates (6) are provided with second guide rods (8) on opposite sides, and the inner wall of the fixing notch (41) is provided with a guide groove (43) corresponding to the second guide rod (8). The second guide rod (8) and the guide groove (43) are connected in a guiding fit.

4. The sheet metal bending and stamping die according to claim 3, characterized in that, The upper end of the clamp (6) has a sloping structure (61).

5. The sheet metal bending and stamping die according to claim 1, characterized in that, Guide posts (9) are provided on both sides of the upper template (1) and the lower template (2) to form a guiding fit between the upper template (1) and the lower template (2).

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