Die for floating type shaping cutter block

Abstract

The invention belongs to the technical field of dies, and particularly relates to a floating type die for a shaping cutter block, which comprises a lower die holder, through the structural design of double steps and vertical parts of the outer side steps, the lower die holder is used as a basic support structure to provide stability for the whole die, ensure uniform stress in the shaping process and avoid the influence of vibration or offset on the machining precision. The material pressing core moves downwards in the initial stage to press a to-be-shaped part (such as a double-step vertical part), displacement or deformation of the to-be-shaped part during follow-up movement of the floating tool turning edge and the fixed tool turning edge is prevented, the spring (such as a nitrogen spring) provides buffering and adjustable pressure during movement of the floating tool turning edge, it is guaranteed that force applied to the part in the flanging and shaping process is uniform and controllable, and the shaping quality is improved. And the fixed tool turning edge is subjected to final shaping after the floating tool turning edge completes preliminary shaping, the perpendicularity of a step on the outer side of the part is guaranteed through a rigid structure of the fixed tool turning edge, and meanwhile friction or impact on the part during returning is reduced through a bottom buffering pad.

Description

Technical Field

[0001] This invention relates to the field of mold technology, specifically a mold for a floating forming cutter block. Background Technology

[0002] In the field of metal stamping, especially in the production of parts with complex geometries such as automotive body panels and appliance housings, the forming process of parts with double steps and vertical outer steps (such as door reinforcement panels and electrical mounting brackets) has always been a technical challenge. For example, CN110479796A discloses a shaping mold for an automobile side sill, including a movable punch and a shaping cutter. A sheet material for forming an automobile side sill product is placed between the movable punch and the shaping cutter. The movable punch is provided with a shaping groove that cooperates with the shaping cutter. The shaping groove has an upper shaping surface that cooperates with the top surface of the shaping cutter and a side shaping surface that cooperates with the end face of the shaping cutter. The side shaping surface includes a side shaping main surface that extends downward from the upper shaping surface to the subsequent trimming line and a protrusion located below the side shaping main surface. The subsequent trimming line corresponds to the edge line of the automobile side sill product. The end face of the shaping cutter is provided with a cutting groove that cooperates with the protrusion. The lower end of the sheet material extends to the bottom of the protrusion. When the shaping blade of this patent is inserted, the protrusion can hold the material sheet before wrinkling and play a pulling role. In the final stage, the protrusion can absorb wrinkles. However, during the retraction of the blade, it can easily pull the product and cause the product to deform. Summary of the Invention

[0003] To address the issue of product deformation caused by the retraction of the cutting block, this invention proposes a floating forming cutting block mold.

[0004] The technical solution adopted by the present invention to solve its technical problem is as follows: The present invention provides a floating shaping die block mold, including a lower die base: a lower die body is fixedly connected to the top of the lower die base, a connecting body is fixedly connected to the top of the lower die body, a pressure core is fixedly connected to the top of the connecting body, a floating flip-edge is fixedly connected to the top of the connecting body, a spring is fixedly connected to the top of the floating flip-edge and the pressure core, and a fixed flip-edge is fixedly connected to the top of the spring.

[0005] Preferably, a guide mechanism is provided between the floating flipper edge and the pressing core to ensure the vertical movement accuracy of the floating flipper edge.

[0006] Preferably, the guiding mechanism includes a guide post and a guide sleeve, the guide post being fixedly connected to the pressure core, the guide sleeve being fixedly connected to the floating flipper edge, and the guide post and the guide sleeve being slidably engaged.

[0007] Preferably, the spring is a nitrogen spring with adjustable elastic force to adapt to the shaping needs of different materials.

[0008] Preferably, the bottom of the fixed flipper edge is provided with a buffer pad to reduce the impact on the product during retraction.

[0009] Preferably, the surface of the pressing core is provided with a wear-resistant coating to improve its service life.

[0010] Preferably, the working surface of the floating blade edge is designed with a rounded transition to avoid scratching the product surface during the shaping process.

[0011] Preferably, the lower mold body and the connecting body are connected by quick-release bolts, which facilitates the maintenance and replacement of the mold.

[0012] Preferably, the mold further includes a sensor for detecting the displacement of the floating flipper edge and feeding the signal back to the control system.

[0013] Preferably, the control system automatically adjusts the spring force based on the feedback signal from the sensor to achieve dynamic adjustment of the shaping pressure.

[0014] The advantages of this invention are: 1. This invention utilizes a double-step structure with the outer step perpendicular to the part. The lower mold base serves as the basic support structure, providing stability to the entire mold and ensuring uniform force distribution during the forming process. This prevents vibration or displacement from affecting processing accuracy. The pressure core moves downward in the initial stage, pressing the part to be formed (such as a double-step perpendicular part) to prevent displacement or deformation during subsequent floating and fixed flipping edge movements. Springs (such as nitrogen springs) provide buffering and adjustable pressure during the floating flipping edge movement, ensuring uniform and controllable force applied to the part during the flanging forming process and preventing damage to the part due to local overload. The fixed flipping edge performs final shaping after the floating flipping edge completes the initial forming. Its rigid structure ensures the verticality of the outer step of the part, while the bottom buffer pad reduces friction or impact on the part during retraction. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention 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 the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the pressure core connection of the present invention; Figure 3 For the present invention Figure 2Enlarged diagram of point A in the middle.

[0017] In the diagram: 1. Lower mold base; 2. Lower mold body; 3. Connecting body; 4. Pressure core; 5. Floating flipper edge; 6. Spring; 7. Fixed flipper edge. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Example 1 Please see Figures 1-3 As shown, a floating shaping die includes a lower die base 1; The top of the lower mold base 1 is fixedly connected to the lower mold body 2, the top of the lower mold body 2 is fixedly connected to the connecting body 3, the top of the connecting body 3 is fixedly connected to the pressure core 4, the top of the connecting body 3 is fixedly connected to the floating flip edge 5, the top of the floating flip edge 5 and the top of the pressure core 4 are fixedly connected to the spring 6, and the top of the spring 6 is fixedly connected to the fixed flip edge 7. During operation, the lower mold base 1 serves as the basic support structure, providing stability for the entire mold and ensuring uniform force distribution during the forming process. This prevents vibration or displacement from affecting processing accuracy. The pressure core 4 moves downward in the initial stage, pressing the part to be formed (such as a double-step vertical part) to prevent displacement or deformation during the subsequent movement of the floating flipper edge 5 and the fixed flipper edge 7. The spring 6 (such as a nitrogen spring 6) provides buffering and adjustable pressure during the movement of the floating flipper edge 5, ensuring that the force applied to the part during the flanging and forming process is uniform and controllable, avoiding local overload that could damage the part. The fixed flipper edge 7 performs final shaping after the floating flipper edge 5 completes the initial forming. Its rigid structure ensures the verticality of the outer step of the part, while the bottom buffer pad reduces friction or impact on the part during retraction.

[0020] Furthermore, a guide mechanism is provided between the floating flipper edge 5 and the pressing core 4 to ensure the vertical movement accuracy of the floating flipper edge 5. Furthermore, the guiding mechanism includes a guide post and a guide sleeve. The guide post is fixedly connected to the pressure core 4, and the guide sleeve is fixedly connected to the floating flipper edge 5. The guide post and the guide sleeve are in sliding fit. During operation, the guiding mechanism (guide post and guide sleeve) constrains the floating flanging edge 5 to move only in the vertical direction, avoiding lateral deviation and ensuring the straightness and smoothness of the flanging shape.

[0021] Furthermore, spring 6 is a nitrogen spring 6, whose elastic force is adjustable to adapt to the shaping needs of different materials; During operation, the nitrogen spring pressure is adjusted according to the plasticity characteristics of different materials (such as high-strength steel or aluminum alloy) to match the optimal forming force, balancing the forming effect and the mold life.

[0022] Furthermore, a buffer pad is provided at the bottom of the fixed flipping edge 7 to reduce the impact on the product during retraction; During operation, the buffer pad absorbs residual stress when the fixed flipper edge 7 retracts, preventing parts from being lifted or scratched by the blade edge, and especially solving the problem of "material deformation" in traditional processes.

[0023] Furthermore, the surface of the pressure core 4 is provided with a wear-resistant coating to improve its service life; During operation, the coating (such as tungsten carbide) reduces frictional wear between the pressure core 4 and the parts, extending the mold maintenance cycle, making it suitable for mass production scenarios.

[0024] Furthermore, the working surface of the floating blade edge 5 is designed with a rounded transition to avoid scratching the product surface during the shaping process; During operation, avoid sharp contact with the rounded edges to reduce scratches on the parts' surface and improve the appearance quality of the finished product.

[0025] Furthermore, the lower mold body 2 and the connecting body 3 are connected by quick-release bolts, which facilitates the maintenance and replacement of the mold; During operation, the quick-release structure facilitates rapid replacement of worn parts (such as the floating flip-edge 5), reducing downtime and improving production efficiency.

[0026] Furthermore, the mold also includes sensors to detect the displacement of the floating flipper edge 5 and feed the signal back to the control system; During operation, sensors (such as displacement sensors) monitor the position of the floating flipper edge 5 in real time and feed the data back to the control system for dynamically adjusting the pressure of the spring 6 or diagnosing mold abnormalities.

[0027] Furthermore, the control system automatically adjusts the spring force of spring 6 based on the feedback signal from the sensor to achieve dynamic adjustment of the shaping pressure; During operation, the system automatically adjusts the pressure of the nitrogen spring 6 according to changes in the thickness or hardness of the part material, ensuring that the forming force is always within the optimal range, thus achieving intelligent production.

[0028] Working Principle: Based on the coordinated motion of the mechanical structure and intelligent control, the part with double steps and the outer step perpendicular is shaped. In terms of the mechanical structure, the part is gradually shaped through the combination of components such as the pressure core 4, floating flipper edge 5, fixed flipper edge 7, and spring 6. The pressure core 4 first fixes the part, providing a stable foundation for subsequent shaping operations. The floating flipper edge 5 and fixed flipper edge 7 work sequentially to complete the part's shaping. The spring 6 acts as a buffer and adjusts the pressure. The guide mechanism ensures the accuracy of the floating flipper edge 5's movement, avoiding deviations during the shaping process. In terms of intelligent control, sensors monitor the floating... The displacement of the flipper edge 5 sends a signal back to the control system. The control system automatically adjusts the spring force of the spring 6 based on the feedback signal to achieve dynamic adjustment of the forming pressure, ensuring good forming effect under different materials and working conditions. At the same time, the special design of each component of the mold, such as the buffer pad at the bottom of the fixed flipper edge 7, the wear-resistant coating on the surface of the pressure core 4, the arc transition design of the working surface of the floating flipper edge 5, and the quick-release bolt connection between the lower mold body 2 and the connecting body 3, further improves the performance and reliability of the mold, solves the problems of part deformation caused by material carrying and difficult mold maintenance in traditional forming processes, and realizes efficient and precise forming processing.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.

Claims

1. A mold for a floating shaping blade block, characterized in that, Including the lower mold base (1): The lower mold base (1) is fixedly connected to the top of the lower mold body (2), the lower mold body (2) is fixedly connected to the top of the connecting body (3), the top of the connecting body (3) is fixedly connected to the pressure core (4), the top of the connecting body (3) is fixedly connected to the floating flipper edge (5), the top of the floating flipper edge (5) and the top of the pressure core (4) are fixedly connected to the spring (6), and the top of the spring (6) is fixedly connected to the fixed flipper edge (7).

2. The mold for a floating shaping cutter block according to claim 1, characterized in that: A guide mechanism is provided between the floating flipper edge (5) and the pressing core (4) to ensure the movement accuracy of the floating flipper edge (5) in the vertical direction.

3. The mold for a floating shaping blade block according to claim 2, characterized in that: The guiding mechanism includes a guide post and a guide sleeve. The guide post is fixedly connected to the pressing core (4), and the guide sleeve is fixedly connected to the floating flipper edge (5). The guide post and the guide sleeve are in sliding cooperation.

4. The mold for a floating shaping blade block according to claim 3, characterized in that: The spring (6) is a nitrogen spring (6) with adjustable elastic force to adapt to the shaping needs of different materials.

5. The mold for a floating shaping cutter block according to claim 4, characterized in that: The bottom of the fixed flipper edge (7) is provided with a buffer pad to reduce the impact on the product when it retracts.

6. The mold for a floating shaping cutter block according to claim 5, characterized in that: The surface of the pressing core (4) is provided with a wear-resistant coating to improve its service life.

7. A mold for a floating shaping cutter block according to claim 6, characterized in that: The working surface of the floating blade edge (5) is designed with a rounded transition to avoid scratching the product surface during the shaping process.

8. The mold for a floating shaping cutter block according to claim 1, characterized in that: The lower mold body (2) and the connecting body (3) are connected by quick-release bolts, which facilitates the maintenance and replacement of the mold.

9. A mold for a floating shaping cutter block according to claim 8, characterized in that: The mold also includes a sensor for detecting the displacement of the floating flipper edge (5) and feeding the signal back to the control system.

10. A mold for a floating shaping cutter block according to claim 9, characterized in that: The control system automatically adjusts the spring force of the spring (6) based on the feedback signal from the sensor to achieve dynamic adjustment of the shaping pressure.

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