Multi-station forming die

Abstract

The utility model discloses a multi-station forming die, and belongs to the field of automobile part production dies. Comprising an upper die assembly and a lower die assembly, the lower die assembly defines a primary forming area and a secondary forming area according to the structure of the automobile front suspension support reinforcing plate, and the upper die assembly and the lower die assembly are closed to complete primary forming and secondary forming in the production process of the automobile front suspension support reinforcing plate at the same time; according to the utility model, the production stamping process of the automobile front suspension support reinforcing plate can be simplified, tedious stamping operation is avoided, the fatigue of workers is relieved, the production cost is reduced, and the stamping forming quality of products is improved.

Description

Technical Field

[0001] The utility model relates to a forming die, in particular to a multi-station forming die for producing a reinforcement plate of a front suspension bracket of an automobile, and belongs to the field of automobile parts production dies. Background Art

[0002] There are many kinds of auto parts. With the improvement of people's living standards, people's consumption of cars is increasing, and the market of auto parts is becoming larger and larger. In recent years, auto parts manufacturers have also developed rapidly. The suspension system is an important part of the vehicle and has a great influence on the driving smoothness and handling stability of the vehicle. As the guiding and force transmission element of the vehicle suspension system, the control arm transmits various forces acting on the wheel to the body, while ensuring that the wheel moves along a certain trajectory, and its layout and structural dimensions directly determine the motion characteristics and ride comfort of the suspension system. The front mounting bracket of the lower control arm of the front suspension of the car is a frequently used device in the automotive industry. The requirements for the front mounting bracket of the lower control arm of the front suspension of the car are very high in terms of auto parts. The front mounting bracket reinforcement plate of the lower control arm of the front suspension of the car is an auxiliary component of the front mounting bracket of the lower control arm of the front suspension of the car, which plays an important role in the operation and work of the car and has an important role.

[0003] As the automobile industry becomes more and more sophisticated, the requirements for automobile accessories are also getting higher and higher. This requirement is not only reflected in the quality of the accessories, but also in the control of the accessory manufacturing process. In the prior art, stamping dies are usually used to process and produce automobile front suspension lower control arm front mounting bracket reinforcement plates (referred to as automobile front suspension bracket reinforcement plates). Generally, stamping dies include upper dies and lower dies. When in use, the material is placed on the lower die, and the upper die is controlled to stamp downward to separate or plastically deform the material, thereby obtaining the required parts. The automobile front suspension bracket reinforcement plate is a special-shaped part composed of multiple curved surfaces, such as Figure 1 As shown in the figure, its structure is relatively complex, and multiple stamping dies are required for multiple stamping processes, including primary forming, secondary forming, side trimming, side repair, and secondary side trimming.

[0004] The primary molding and secondary molding of the existing automobile front suspension bracket reinforcement plate are usually completed using two sets of independent molds, requiring at least two stamping processes. The production and processing process is relatively cumbersome and complicated, and affects the processing accuracy.

[0005] It should be noted that the above content is within the technical knowledge scope of the inventor and does not necessarily constitute prior art. Summary of the invention

[0006] In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a multi-station forming die.

[0007] The technical solution adopted by the utility model is: designing a multi-station molding mold, including an upper mold assembly and a lower mold assembly, the lower mold assembly defines a primary molding area and a secondary molding area according to the structure of the automobile front suspension bracket reinforcement plate, and the upper mold assembly and the lower mold assembly are molded together to simultaneously complete the primary molding and secondary molding in the production process of the automobile front suspension bracket reinforcement plate.

[0008] Furthermore, the lower mold assembly includes a movable mold and a left fixed mold module and a right fixed mold module respectively arranged at the left and right ends of the movable mold, and the movable mold can move up and down relative to the left fixed mold module and the right fixed mold module.

[0009] Furthermore, the left fixed mold module and the left end of the movable mold form a primary molding area, the right fixed mold module and the right end of the movable mold form a secondary molding area, and the upper mold assembly includes a left punch module and a right punch module, which correspond to the primary molding area and the secondary molding area respectively.

[0010] Furthermore, a plurality of upper stripping assemblies are respectively arranged in the left punch module and the right punch module, and the upper stripping assemblies include rectangular coil springs and guide pins connected to the rectangular coil springs.

[0011] Furthermore, the lower mold assembly also includes a first material guiding frame and a second material guiding frame, three first material guiding frames are arranged around the upper end of the left punch module, three second material guiding frames are arranged around the left end of the movable mold, five first material guiding frames are arranged around the upper end of the right fixed mold module, and one second material guiding frame is arranged around the right end of the movable mold.

[0012] Furthermore, the lower mold assembly also includes positioning pins, and positioning pins are respectively provided at the left and right ends of the movable mold.

[0013] Furthermore, the lower mold assembly also includes a lower support plate, a nitrogen spring and a guide pin, the lower support plate is fixedly arranged below the movable mold, and a plurality of nitrogen springs are installed on the lower support plate;

[0014] The movable mold comprises an upper forming block, a middle cushion block, a guide plate and a lower supporting plate, wherein the upper forming block, the middle cushion block and the lower supporting plate are stacked in sequence from top to bottom, the upper forming block and the middle cushion block are connected by the guide plate, and the upper end of the nitrogen spring is connected to the lower supporting plate;

[0015] A plurality of guide pins are installed on the lower support plate, and circular holes corresponding to the guide pins are respectively opened on the upper forming block and the middle cushion block, and the guide pins slide in the circular holes.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model can complete the primary forming and the secondary forming in the process of producing the automobile front suspension bracket reinforcement plate in one stamping stroke, simplifying the stamping process, saving the number of stamping times and manpower input, and the primary forming and the secondary forming share a moving mold, which simplifies the mold design and reduces the cost. It also simplifies the process and the operation complexity and can improve the processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the automobile front suspension bracket reinforcement plate product.

[0020] Figure 2 Schematic diagram of prefabricated raw material plates used to produce automobile front suspension bracket reinforcement plates.

[0021] Figure 3 It is a schematic diagram of the axonometric drawing of the utility model.

[0022] Figure 4 for Figure 3 Schematic diagram of loading the prefabricated raw material plate and the workpiece after initial forming at the same time.

[0023] Figure 5 for Figure 3 Schematic diagram of the structure after some parts are hidden.

[0024] Figure 6 This is a schematic diagram of the axonometric view of the lower mold assembly.

[0025] Figure 7 It is a schematic diagram of the left punch module of the utility model.

[0026] Figure 8 It is a schematic diagram of the right punch module of the utility model.

[0027] Fig. 9 This is a schematic diagram of a workpiece after the initial forming of the utility model.

[0028] Fig.10 It is a schematic diagram of a workpiece after secondary molding of the utility model.

[0029] In the figure: 1. upper mold assembly; 2. lower mold assembly; 3. primary molding area; 4. secondary molding area; 5. left fixed mold module; 6. right fixed mold module; 7. left punch module; 8. right punch module; 9. upper stripping assembly; 10. first material guiding frame; 11. second material guiding frame; 12. positioning pin; 13. lower support plate; 14. nitrogen spring; 15. guide pin; 16. upper molding block; 17. middle pad block; 18. guide plate; 19. lower support plate. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] Example 1

[0033] like Figure 2-Figure 10 As shown:

[0034] A multi-station molding die comprises an upper die assembly 1 and a lower die assembly 2, wherein the lower die assembly 2 is formed according to the structure of the front suspension bracket reinforcement plate of the automobile (such as Figure 1 As shown in the figure, a primary molding area 3 and a secondary molding area 4 are defined, and the upper mold assembly 1 and the lower mold assembly 2 are molded together to simultaneously complete the primary molding and secondary molding in the production process of the automobile front suspension bracket reinforcement plate.

[0035] in:

[0036] The first molding is to Figure 2 The prefabricated raw material board shown is punched into Fig. 9 The workpiece shown in the figure, the primary forming is mainly to punch out the web, the wing plates on both sides of the web and the end plate, so the primary forming area 3 includes the web forming area, the wing plate forming area and the end plate forming area;

[0037] Secondary molding is to Fig. 9The workpiece shown is punched into Fig.10 The workpiece shown in the figure, at this point, the prefabricated raw material plate is roughly punched out to form the rough outline of the front suspension bracket reinforcement plate of the automobile; the secondary molding is mainly for Fig. 9 The wing plates on both sides of the web of the workpiece shown and the tail plate opposite to the end plate are stamped and formed, so the secondary forming area 4 mainly includes the wing plate secondary forming area 4 and the tail plate forming area (bending).

[0038] When using, Figure 2 The prefabricated raw material panels shown and Fig. 9 The workpieces shown are placed above the primary molding area 3 and the secondary molding area 4, respectively, and the upper mold assembly 1 is controlled to punch downward to complete the primary molding and secondary molding in the production process of the automobile front suspension bracket reinforcement plate in the primary molding area 3 and the secondary molding area 4, respectively.

[0039] One structural design of the lower mold assembly 2 is as follows: the lower mold assembly 2 includes a movable mold and a left fixed mold module 5 and a right fixed mold module 6 respectively arranged at the left and right ends of the movable mold, and the movable mold can move up and down relative to the left fixed mold module 5 and the right fixed mold module 6 to lift the material. That is, the primary molding area 3 and the secondary molding area 4 share a movable mold, which simplifies the structural design and improves the processing accuracy. The left fixed mold module 5 and the left end of the movable mold enclose the primary molding area 3, and the right fixed mold module 6 and the right end of the movable mold enclose the secondary molding area 4. The upper mold assembly 1 includes a left punch module 7 and a right punch module 8 (the two are connected as a whole using the same upper mold base, that is, the left punch module 7 and the right punch module 8 are installed under the same upper mold base plate, and the upper mold base is not drawn in the attached figure), which correspond to the primary molding area 3 and the secondary molding area 4 respectively. During the stamping operation, the left punch module 7 completes the stamping operation in the primary molding area 3, and the right punch module 8 completes the stamping operation in the secondary molding area 4. The left fixed mold module 5 includes two fixed molds that are symmetrical in front and back, and the right punch module 8 includes two fixed molds that are symmetrical in front and back and a fixed mold located at the right end of the movable mold, which is easy to install and use.

[0040] A plurality of upper stripping assemblies 9 are respectively arranged in the left punch module 7 and the right punch module 8. The upper stripping assemblies 9 include rectangular coil springs and guide pins connected to the rectangular coil springs to prevent the stamped workpiece from sticking to the upper die assembly 1.

[0041] The lower die assembly 2 also includes a first material guide frame 10 and a second material guide frame 11. Three first material guide frames 10 are arranged around the upper end of the left punch module 7, three second material guide frames 11 are arranged at the left end of the movable die, five first material guide frames 10 are arranged around the upper end of the right fixed die module 6, and one second material guide frame 11 is arranged at the right end of the movable die. The first material guide frame 10 and the second material guide frame 11 facilitate the rapid and accurate placement and removal of the stamped workpiece. The lower die assembly 2 also includes a positioning pin 12. Positioning pins 12 are respectively arranged at the left and right ends of the movable die, and there are positioning pin 12 holes on the workpiece to be stamped that cooperate with the positioning pins 12 to accurately limit the workpiece.

[0042] The lower mold assembly 2 also includes a lower support plate 13, a nitrogen spring 14 and a guide pin 15. The lower support plate 13 is fixedly arranged below the movable mold, and a plurality of nitrogen springs 14 are installed on the lower support plate 13; the movable mold includes an upper molding block 16, a middle pad 17, a guide plate 18 and a lower support plate 19. The upper molding block 16, the middle pad 17 and the lower support plate 19 are stacked in sequence from top to bottom, and the upper molding block 16 and the middle pad 17 are connected by the guide plate 18. The upper end of the nitrogen spring 14 is connected to the lower support plate 19 to lift the movable mold; a plurality of guide pins 15 are installed on the lower support plate 19, and circular holes corresponding to the guide pins 15 are respectively opened on the upper molding block 16 and the middle pad 17. The guide pins 15 slide in the circular holes to guide during the up and down movement of the movable mold.

[0043] In addition, in the description of the present utility model, unless otherwise specified, if the terms "multiple", "multiple roots", "multiple groups" are used, they mean two or more than two, and "several", "several roots", "several groups" mean one or more than one. In the description of the present utility model, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like are used to indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, it is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, if the terms "first", "second", "third" are used, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0044] The specific implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above implementation modes, and various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A multi-station molding die, comprising an upper die assembly (1) and a lower die assembly (2), characterized in that: The lower mold assembly (2) defines a primary molding area (3) and a secondary molding area (4) according to the structure of the automobile front suspension bracket reinforcement plate, and the upper mold assembly (1) and the lower mold assembly (2) are molded together to simultaneously complete the primary molding and secondary molding in the production process of the automobile front suspension bracket reinforcement plate; The lower mold assembly (2) comprises a movable mold and a left fixed mold module (5) and a right fixed mold module (6) respectively arranged at the left and right ends of the movable mold, and the movable mold can move up and down relative to the left fixed mold module (5) and the right fixed mold module (6); The left fixed mold module (5) and the left end of the movable mold form a primary molding area (3), the right fixed mold module (6) and the right end of the movable mold form a secondary molding area (4), and the upper mold assembly (1) comprises a left punch module (7) and a right punch module (8), which correspond to the primary molding area (3) and the secondary molding area (4), respectively.

2. A multi-station molding die according to claim 1, characterized in that: A plurality of upper stripping assemblies (9) are respectively arranged in the left punch module (7) and the right punch module (8), and the upper stripping assemblies (9) comprise rectangular coil springs and guide pins connected to the rectangular coil springs.

3. A multi-station molding die according to claim 2, characterized in that: The lower die assembly (2) further comprises a first material guiding frame (10) and a second material guiding frame (11); three first material guiding frames (10) are arranged around the upper end of the left punch module (7); three second material guiding frames (11) are arranged around the left end of the movable die; five first material guiding frames (10) are arranged around the upper end of the right fixed die module (6); and one second material guiding frame (11) is arranged around the right end of the movable die.

4. A multi-station molding die according to claim 3, characterized in that: The lower mold assembly (2) further comprises positioning pins (12), and the left and right ends of the movable mold are respectively provided with positioning pins (12).

5. The multi-station molding die according to claim 4, characterized in that: The lower mold assembly (2) further comprises a lower support plate (13), a nitrogen spring (14) and a guide pin (15); the lower support plate (13) is fixedly arranged below the movable mold, and a plurality of nitrogen springs (14) are mounted on the lower support plate (13); The movable mold comprises an upper molding block (16), a middle cushion block (17), a guide plate (18) and a lower support plate (19); the upper molding block (16), the middle cushion block (17) and the lower support plate (19) are stacked in sequence from top to bottom; the upper molding block (16) and the middle cushion block (17) are connected via the guide plate (18); and the upper end of the nitrogen spring (14) is connected to the lower support plate (19); A plurality of guide pins (15) are mounted on the lower support plate (19), and circular holes corresponding to the guide pins (15) are respectively formed on the upper forming block (16) and the middle cushion block (17), and the guide pins (15) slide in the circular holes.

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