Angle-adjustable bending machine die

Abstract

The utility model discloses an angle-adjustable bending machine die, and belongs to the technical field of bending machine dies. Comprising a base, a lower die base and a positioning pin, the lower die base is embedded into the base in a sliding mode through a sliding groove, a female die is fixedly arranged at the upper end of the lower die base, a hollowed-out groove is formed in the female die, angle adjusting assemblies are arranged on the two sides of the lower die base, and the angle adjusting assemblies drive pressing balls to move in the length direction of the hollowed-out groove. And secondary bending force is applied to the plate subjected to primary bending in the female die, and dynamic adjustment of the bending angle is achieved. According to the angle-adjustable bending machine mold, dynamic adjustment of the bending angle of a plate is achieved through the angle adjusting assembly, the tedious operation of frequently replacing different V-shaped groove molds is avoided, the use flexibility of the mold is improved, the requirement for mold inventory is reduced, the replacement time is shortened, and therefore the production cost is effectively reduced.

Description

Technical Field

[0001] This utility model relates to the field of bending machine mold technology, specifically an angle-adjustable bending machine mold. Background Technology

[0002] Traditional bending machines typically use a fixed V-groove lower die structure, where the bending angle is determined during die manufacturing and cannot be dynamically adjusted according to actual processing requirements. Therefore, when faced with processing tasks involving different bending angles or complex shapes, operators often need to frequently change dies of different specifications. This not only increases labor intensity but also significantly reduces production efficiency and raises the company's die inventory and maintenance costs. Utility Model Content

[0003] The summary section of this application is intended to provide a brief overview of the concepts, which will be described in detail in the detailed description section below. This summary section is not intended to identify key or essential features of the claimed technical solutions, nor is it intended to limit the scope of the claimed technical solutions.

[0004] In order to overcome the shortcomings of the prior art, this utility model provides an angle-adjustable bending machine mold.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an angle-adjustable bending machine mold, comprising a base, a lower mold base, and a positioning pin. The lower mold base is slidably embedded into the base via a groove. A concave mold is fixedly provided at the upper end of the lower mold base. A hollow groove is provided inside the concave mold. An angle adjustment component is provided on both sides of the lower mold base. The angle adjustment component applies a secondary bending force to the plate material that has completed one bending in the concave mold by driving a pressure ball to move along the length direction of the hollow groove, thereby realizing dynamic adjustment of the bending angle.

[0006] Preferably, the hollow groove extends through the thickness direction of the die, and its cross-sectional shape is rectangular or trapezoidal.

[0007] Preferably, the lower mold base is fixedly connected to the base by screws.

[0008] Preferably, the angle adjustment assembly further includes a movable plate, which is connected to the pressure ball via a connecting rod.

[0009] Preferably, the movable plate has two guide rods on the side away from the pressure ball, and the ends of the two guide rods pass through the base and extend to the outside.

[0010] Preferably, a screw is provided between the two guide rods, one end of which is fixed to the movable plate, and the other end of which passes through the base and extends to the outside, driving the movable plate to move in a rotating manner.

[0011] Preferably, the upper end of the guide rod has a plurality of positioning holes evenly distributed therefrom, and the positioning pins are fitted with the positioning holes with a clearance to position the guide rod.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] This utility model discloses an angle-adjustable bending machine die. Through an angle adjustment component, it achieves dynamic adjustment of the bending angle of the sheet metal, avoiding the cumbersome operation of frequently changing different V-groove dies, improving the die's flexibility, reducing the need for die inventory, and shortening replacement time, thereby effectively reducing production costs. The cooperation between the die's positioning pin and positioning hole ensures precise maintenance of the bending angle, preventing displacement or failure of components due to external forces. Especially when the screw's load-bearing capacity is limited or its self-locking performance is insufficient, it further improves the overall device's reliability and processing accuracy. When the pressure ball contacts the sheet metal, the friction of the rubber layer effectively prevents the sheet metal from sliding, maintaining a stable bending state, thereby improving bending accuracy and surface quality. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the angle-adjustable bending machine mold of this utility model. Figure 1 ;

[0015] Figure 2 This is a schematic diagram of the structure of the angle-adjustable bending machine mold of this utility model. Figure 2 ;

[0016] Figure 3 This is a schematic diagram of the structure of the angle-adjustable bending machine mold of this utility model. Figure 3 .

[0017] In the diagram: 1. Base; 2. Lower mold base; 3. Slide groove; 4. Die; 5. Hollowed-out groove; 7. Screw; 8. Pressure ball; 9. Movable plate; 10. Guide rod; 11. Screw; 12. Locating pin; 13. Locating hole. Detailed Implementation

[0018] 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.

[0019] Please see Figure 1-3 This embodiment provides the following technical solution:

[0020] An angle-adjustable bending machine mold includes a base 1, a lower mold base 2, and a positioning pin 12. The lower mold base 2 is slidably embedded into the base 1 through a slide groove 3, and the lower mold base 2 is fixedly connected to the base 1 by screws 7. Through the sliding engagement of the slide groove 3 and the lower mold base 2, the lower mold base 2 slides into the base 1, and the screws 7 are used to fix the lower mold base 2, achieving rapid assembly.

[0021] A die 4 is fixedly mounted on the upper end of the lower die base 2. The die 4 has a hollowed-out groove 5 that extends through the thickness of the die 4, and its cross-sectional shape is rectangular or trapezoidal. Angle adjustment components are provided on both sides of the lower die base 2. These components drive a pressure ball 8 to move along the length of the hollowed-out groove 5, applying a secondary bending force to the sheet metal that has already undergone one bending within the die 4, thus achieving dynamic adjustment of the bending angle. After the sheet metal undergoes one bending in the V-groove of the die 4, the angle adjustment components drive the pressure ball 8 through the hollowed-out groove 5 to contact the side wall of the sheet metal, applying additional bending force. This allows for multi-angle bending within the same die set, significantly reducing die inventory and changeover time. Compared to existing technologies, it eliminates the need for frequent changes to different V-groove dies or adjustments to the V-groove width, making it more flexible and efficient.

[0022] The angle adjustment assembly also includes a movable plate 9, which is connected to the pressure ball 8 via a connecting rod. Two guide rods 10 are provided on the side of the movable plate 9 away from the pressure ball 8, and the ends of the two guide rods 10 pass through the base 1 and extend to the outside. A screw 11 is provided between the two guide rods 10. One end of the screw 11 is fixed to the movable plate 9, and the other end of the screw 11 passes through the base 1 and extends to the outside, driving the movable plate 9 to move in a rotating manner.

[0023] Specifically, the position of the movable plate 9 can be adjusted by driving the screw 11, thereby changing the position of the pressure ball 8. The movable plate 9 drives the pressure ball 8 to apply force to the plate, causing it to bend and deform. The pressure ball 8 is made of alloy material with a rubber layer on its surface. The rubber material has a high coefficient of friction, and compared to direct metal contact, the rubber layer can provide greater friction. When the pressure ball 8 applies force to the plate, the rubber layer can increase the friction between it and the plate, ensuring that the plate does not slip during bending, thus maintaining a more stable processing state. The rubber layer can also protect the surface quality of the plate from damage. The guide rod 10 ensures that the movable plate 9 maintains linear motion during movement.

[0024] The upper end of the guide rod 10 has several positioning holes 13 evenly distributed. The positioning pin 12 is fitted with the positioning hole 13 with clearance to position the guide rod 10.

[0025] Specifically, by inserting the locating pin 12 into the corresponding locating hole 13, auxiliary fixing of the movable plate 9 and the pressure ball 8 connected thereto can be achieved. When the plate is subjected to additional bending force, this positioning structure can effectively maintain the stability of the bending angle. Especially when the load-bearing capacity of the screw 11 drive mechanism is limited or its self-locking performance is insufficient, the cooperation between the locating pin 12 and the locating hole 13 can prevent component displacement or functional failure caused by external forces, thereby improving the overall reliability and machining accuracy of the device.

[0026] Working principle: The lower mold base 2 slides into the base 1 through the slide groove 3 for quick alignment and installation. Then, the lower mold base 2 is fixedly connected to the base 1 by screws 7, ensuring the entire mold remains stable during processing. After the sheet metal completes one bending within the V-groove of the die 4, the pressure ball 8 can move along the length of the slot 5 as needed, applying a secondary bending force to the sheet metal within the V-groove. By driving the screw 11, the position of the movable plate 9 is adjusted, thereby adjusting the position of the pressure ball 8 and achieving precise adjustment of the sheet metal bending angle. The guide rod 10 ensures that the movable plate 9 maintains linear movement during adjustment. Several positioning holes 13 are evenly distributed on the guide rod 10. Positioning pins 12 engage with the positioning holes 13; by inserting the positioning pins 12 into the positioning holes 13, auxiliary fixation of the movable plate 9 and the pressure ball 8 is achieved.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An angle-adjustable bending machine mold, comprising a base (1), a lower mold base (2), and a positioning pin (12), characterized in that: The lower mold base (2) is slidably embedded into the base (1) through the slide groove (3). The upper end of the lower mold base (2) is fixedly provided with a concave mold (4). The interior of the concave mold (4) is provided with a hollow groove (5). Angle adjustment components are provided on both sides of the lower mold base (2). The angle adjustment components drive the pressure ball (8) to move along the length direction of the hollow groove (5) to apply a secondary bending force to the plate that has been bent once in the concave mold (4), thereby realizing the dynamic adjustment of the bending angle.

2. The angle-adjustable bending machine mold according to claim 1, characterized in that: The hollow groove (5) penetrates the thickness direction of the die (4), and its cross-sectional shape is rectangular or trapezoidal.

3. The angle-adjustable bending machine mold according to claim 1, characterized in that: The lower mold base (2) is fixedly connected to the base (1) by screws (7).

4. The angle-adjustable bending machine mold according to claim 1, characterized in that: The angle adjustment assembly also includes a movable plate (9), which is connected to the pressure ball (8) via a connecting rod.

5. An angle adjustable bending machine die according to claim 4, characterized in that: The movable plate (9) is provided with two guide rods (10) on the side away from the pressure ball (8), and the ends of the two guide rods (10) pass through the base (1) and extend to the outside.

6. An angle adjustable bending machine die according to claim 5, characterized in that: A screw (11) is provided between the two guide rods (10). One end of the screw (11) is fixed to the movable plate (9), and the other end of the screw (11) passes through the base (1) and extends to the outside, driving the movable plate (9) to move in a rotating manner.

7. An angle adjustable bending machine die according to claim 6, characterized in that: The guide rod (10) has several positioning holes (13) evenly distributed on its upper end. The positioning pin (12) is fitted with the positioning hole (13) with a clearance to position the guide rod (10).

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