Closed bending die

Abstract

The utility model relates to a closed bending die which comprises a base and a forming die, the base comprises a body and a forming part, the body is connected with the forming part, and a V-shaped groove is formed in the forming part; the forming die comprises a connecting rod, a connecting part, a pressing head and a rotating bolt; the upper end of the connecting rod is provided with a connector, the lower end of the connecting rod is fixedly connected with the connecting part, and the connecting part is fixedly connected with the pressing head; the pressing heads are provided with through threaded holes, and the rotating bolt is connected with the two pressing heads in a spaced mode through the threaded holes. The closed bending die has the advantages that the two forming dies are arranged at intervals, so that the closed bending die can be used for machining closed sheet metal parts, the structure is simple, one-time forming is achieved, machining procedures are effectively reduced, and production cost is reduced; the device is high in efficiency, suitable for batch production, high in mold forming precision and easy to control, reduces the labor intensity of workers and the manufacturing cost, and improves the working efficiency.

Description

A closed bending die Technical Field

[0001] This utility model relates to the field of enclosed sheet metal processing technology, and more specifically, to an enclosed bending die. Background Technology

[0002] Currently, the processing of enclosed sheet metal parts generally uses profile splicing. However, due to the large seams at the profile splicing points, the precision is low and the appearance is not aesthetically pleasing.

[0003] Stamping, a crucial process in machining, plays a vital role in the national economy's processing industry. Sheet metal parts have extremely wide applications, penetrating all aspects of manufacturing. Sheet metal forming is primarily achieved through stamping dies. The stamping process offers a series of advantages, including high precision, high efficiency, good quality, cost savings, and conservation of materials and energy.

[0004] The preceding description is intended to provide general background information and does not necessarily constitute prior art. Summary of the Invention

[0005] The purpose of this utility model is to provide a closed bending die. The closed bending die has a simple structure and can process closed sheet metal parts, reducing processing steps and production costs.

[0006] This utility model provides a closed bending die, including a base and a forming die, wherein the base is located directly below the forming die; the base includes a body and a forming part, the forming part is connected to the upper part of the body, and a V-groove is provided on the upper part of the forming part; the forming die includes a connecting rod, a connecting part, a pressure head, and a rotating bolt; the upper end of the connecting rod is provided with a connecting head, the lower end of the connecting rod is fixedly connected to the connecting part, and the pressure head is fixedly connected to the connecting part; the pressure head is provided with a through threaded hole, and two pressure heads are connected to the rotating bolt at intervals through the threaded hole.

[0007] Using the above technical solution, during assembly, the two forming molds are connected to the pressing mechanism of the equipment through the connector; during use, the blank is placed on the top of the forming part, and the pressing head is pressed down. During the pressing process, a bend is formed at the V-groove; then the pressing head is lifted, and the blank is moved. The pressing head continues to press down, and the blank will pass through the gap formed by the two forming molds, thus finally forming a closed sheet metal part. The two forming molds are opened by rotating the rotating bolt, and the formed closed sheet metal part is removed.

[0008] Furthermore, the pressure head includes a connecting block and a pressing head; the connecting block is cuboid in shape, with a through threaded hole in the middle, and the pressing head is connected to one corner of the connecting block, the pressing head having an arc-shaped cross-section; the connecting part is square tubular in shape, with an opening at the lower corner of the connecting part, the connecting block being engaged with the inner wall of the connecting part, and the pressing head extending from the opening.

[0009] Furthermore, the connecting block and the pressing head are integrally formed and connected.

[0010] This utility model discloses a closed bending die. During assembly, two forming dies are connected to the pressing mechanism of the equipment via a connector. In use, the blank is placed on top of the forming section, and the pressing head presses down, forming a bend at the V-groove during the pressing process. Then, the pressing head is lifted, and the blank is moved while the pressing head continues to press down. The blank passes through the gap formed by the two forming dies, thus finally forming a closed sheet metal part. The two forming dies are opened by rotating the rotating bolt, and the formed closed sheet metal part is removed. This utility model, by setting the two forming dies at intervals, allows the closed bending die to process closed sheet metal parts. It has a simple structure, forms in one step, effectively reduces processing steps, and lowers production costs. It is highly efficient, suitable for mass production, and the die forming accuracy is high and easy to control, reducing the labor intensity of workers and manufacturing costs, and improving work efficiency. Attached Figure Description

[0011] Figure 1 is a side view of the closed bending mold provided in an embodiment of the present invention.

[0012] Figure 2 is a schematic diagram of the front plan view of the forming mold of the closed bending mold in Figure 1.

[0013] Figure 3 is a schematic diagram of the planar structure of the closed bending die and the blank in Figure 1.

[0014] Figure 4 is a schematic diagram of the planar structure combining the closed bending die and the closed sheet metal part in Figure 1.

[0015] The reference numerals and components involved in the accompanying drawings are shown below:

[0016] 100, base 110, body 120, molding part

[0017] 130, V-groove 200, forming mold 210, connecting rod

[0018] 211, Connector; 220, Connecting part; 221, Opening

[0019] 230, pressure head; 231, threaded hole; 232, connecting block

[0020] 233, 240, 300, 300, blank

[0021] 400. Enclosed sheet metal parts Detailed Implementation

[0022] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0023] The terms "first," "second," "third," "fourth," etc., used in the specification and claims of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0024] Example 1

[0025] Figure 1 is a side view of the closed bending mold provided in the embodiment of the present invention, and Figure 2 is a front view of the forming mold of the closed bending mold in Figure 1. Referring to Figures 1 and 2, the closed bending mold provided in this embodiment of the present invention includes a base 100 and a forming mold 200. The base 100 is located directly below the forming mold 200. The base 100 includes a body 110 and a forming part 120. The forming part 120 is connected to the upper part of the body 110, and a V-groove 130 is provided on the upper part of the forming part 120. The forming mold 200 includes a connecting rod 210, a connecting part 220, a pressure head 230, and a rotating bolt 240. The upper end of the connecting rod 210 is provided with a connecting head 211, and the lower end of the connecting rod 210 is fixedly connected to the connecting part 220. The pressure head 230 is fixedly connected to the connecting part 220. The pressure head 230 is provided with a through threaded hole 231, and two pressure heads 230 are connected to the rotating bolt 240 at intervals through the threaded hole 231.

[0026] Figure 3 is a schematic diagram of the planar structure of the closed bending die and the blank in Figure 1, and Figure 4 is a schematic diagram of the planar structure of the closed bending die and the closed sheet metal part in Figure 1. Referring to Figures 3 and 4, it should be noted that during assembly, the two forming dies 200 are connected to the pressing mechanism of the equipment through the connector 211; during use, the blank 300 is placed on the forming part 120, and the pressing head 230 presses down, forming a bend at the V-groove 130 during the pressing process; then the pressing head 230 is lifted, and the blank 300 is moved while the pressing head 230 continues to press down, and the blank 300 will pass through the gap formed by the two forming dies 200, thus finally forming the closed sheet metal part 400. The two forming dies 200 are opened by rotating the rotating bolt 240, and the formed closed sheet metal part 400 is removed.

[0027] This utility model uses two forming molds 200 spaced apart to enable the closed bending mold to process closed sheet metal parts 400. It has a simple structure, can form in one step, effectively reduces processing steps and lowers production costs; it is highly efficient, suitable for mass production, and the mold forming accuracy is high and easy to control, which reduces the labor intensity of workers and manufacturing costs, and improves work efficiency.

[0028] Referring further to Figures 1 and 2, the pressure head 230 of this utility model includes a connecting block 232 and a pressing head 233; the connecting block 232 is cuboid in shape, and a through threaded hole 231 is provided in the middle of the connecting block 232. The pressing head 233 is connected to one corner of the connecting block 232, and the cross-section of the pressing head 233 is arc-shaped; the connecting part 220 is square tube in shape, and an opening 221 is provided at the lower corner of the connecting part 220. The connecting block 232 is snapped onto the inner wall of the connecting part 220, and the pressing head 233 extends out from the opening 221.

[0029] Specifically, the connecting block 232 and the pressing head 233 are integrally formed and connected.

[0030] As can be seen from the above description, the advantages of this utility model are:

[0031] This utility model discloses a closed bending die. During assembly, two forming dies are connected to the pressing mechanism of the equipment via a connector. In use, the blank is placed on top of the forming section, and the pressing head presses down, forming a bend at the V-groove during the pressing process. Then, the pressing head is lifted, and the blank is moved while the pressing head continues to press down. The blank passes through the gap formed by the two forming dies, thus finally forming a closed sheet metal part. The two forming dies are opened by rotating the rotating bolt, and the formed closed sheet metal part is removed. This utility model, by setting the two forming dies at intervals, allows the closed bending die to process closed sheet metal parts. It has a simple structure, forms in one step, effectively reduces processing steps, and lowers production costs. It is highly efficient, suitable for mass production, and the die forming accuracy is high and easy to control, reducing the labor intensity of workers and manufacturing costs, and improving work efficiency.

[0032] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A closed bending die, characterized in that, The system includes a base (100) and a molding die (200), with the base (100) located directly below the molding die (200). The base (100) includes a body (110) and a molding part (120), with the molding part (120) connected to the top of the body (110), and a V-groove (130) provided on the top of the molding part (120). The molding die (200) includes a connecting rod (210), a connecting part (220), and a pressing head. 230) and a rotating bolt (240); the upper end of the connecting rod (210) is provided with a connector (211), the lower end of the connecting rod (210) is fixedly connected to the connecting part (220), and the pressure head (230) is fixedly connected to the connecting part (220); the pressure head (230) is provided with a through threaded hole (231), and two pressure heads (230) are connected at intervals through the threaded hole (231) on the rotating bolt (240).

2. The closed bending die according to claim 1, characterized in that, The pressure head (230) includes a connecting block (232) and a pressing head (233); the connecting block (232) is cuboid in shape, and a through threaded hole (231) is provided in the middle of the connecting block (232). The pressing head (233) is connected to one corner of the connecting block (232), and the cross-section of the pressing head (233) is arc-shaped; the connecting part (220) is square tube in shape, and an opening (221) is provided at the lower corner of the connecting part (220). The connecting block (232) is snapped onto the inner wall of the connecting part (220), and the pressing head (233) extends out from the opening (221).

3. The closed bending die according to claim 2, characterized in that, The connecting block (232) and the pressing head (233) are integrally formed and connected.

Images