Stamping die for facilitating reduction of processes

Abstract

The application discloses a stamping die convenient for reducing working procedures, which comprises a base and an upper die arranged above the base, a shaft rod is fixed in the middle of the upper surface of the base, at least two lower dies are arranged on the upper surface of the base and fixed through connecting blocks between the two opposite lower dies, the connecting blocks are rotationally matched with the shaft rod, and stamping action is performed when the lower die rotates below the upper die, a top block is elastically installed on the base, a die cavity is arranged on the lower die, and a push block is arranged, so that the product inside the other lower die can be demolded, discharged and fed when one lower die and the upper die are closed and stamped, another blank plate can be stamped in time after stamping, the feeding and discharging time is greatly saved, and the processing efficiency is improved.

Description

Technical Field

[0001] This invention specifically relates to a stamping die that facilitates the reduction of processing steps. Background Technology

[0002] In the manufacturing and processing of automotive parts, stamping dies are a common forming tool, widely used in processes such as blanking, bending, and stretching of sheet metal. Traditional stamping dies typically consist of a fixed upper die and a lower die. During operation, the sheet metal needs to be placed into the cavity of the lower die manually or mechanically. After the upper die completes the stamping, the formed product is removed, and then the next stamping is performed. Although this structure is simple, it has the following shortcomings in actual production:

[0003] First, during the stamping process, loading and unloading and stamping actions cannot be performed simultaneously. That is, after stamping is completed in a lower die, it is necessary to wait for the product to be demolded, the material to be removed, and the blank to be repositioned before the next stamping operation can be carried out. This intermittent work results in low equipment utilization and makes it difficult to meet the needs of efficient mass production. Second, the waste generated after the die completes the stamping, such as punching waste, usually needs to be cleaned up. If it cannot be discharged in time, it may accumulate inside the die and affect the stamping accuracy of subsequent stamping. Therefore, we propose a stamping die that can reduce the number of processes. Summary of the Invention

[0004] The purpose of this invention is to provide a stamping die that facilitates the reduction of processes, thereby solving the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a stamping die that facilitates the reduction of processes, comprising:

[0006] A base and an upper mold disposed above the base, wherein a shaft is fixed in the middle of the upper surface of the base;

[0007] At least two lower dies are disposed on the upper surface of the base, and the two opposite lower dies are fixed together by a connecting block, and the connecting block is rotatably engaged with the shaft, and the stamping action is performed when the lower die rotates to below the upper die;

[0008] The top block is flexibly mounted on the base.

[0009] The lower mold has a cavity, and the inner side of the cavity is connected to a push block flush with its bottom surface via a mounting groove. When the lower mold rotates to the top block, the push block is lifted by the top block to demold the product inside the cavity.

[0010] Preferably, one side wall of the top block has an inclined surface, and a spring is provided on the lower surface of the top block.

[0011] Preferably, the base includes a support plate, a fixing plate, and a connecting groove. At least two fixing plates are fixed to the outer surface of the support plate. The upper surface edge of the support plate is provided with a connecting groove along its circumference. The lower surface of the lower mold is fixed with a connecting slider that slides in cooperation with the connecting groove.

[0012] Preferably, the base further includes a guide groove, a push plate, and a discharge groove. The guide groove is opened on the upper surface of the support plate and corresponds to the through hole opened on the inner side of the mold cavity. A push plate for pushing out waste material is fixed on the inner side of the guide groove. The discharge groove is opened on the lower surface of the support plate and one end of the discharge groove is connected to the inside of the guide groove.

[0013] Preferably, the guide groove is annular, and the lower surface of the lower mold has a flexible element that extends into the inner side of the guide groove.

[0014] Preferably, the cross-section of the connecting slider is "L" shaped, and the connecting slider slides circumferentially along the connecting groove.

[0015] Preferably, a punch is fixed on the lower surface of the upper mold, and the punch corresponds to the through hole.

[0016] Preferably, the upper mold has guide posts at both ends of its lower surface, and the lower mold has positioning holes that cooperate with the guide posts.

[0017] Preferably, both the push block and the top block are arc-shaped.

[0018] Preferably, the outer contour of the upper mold is the same as that of the lower mold, and the two lower molds opposite each other are arranged circumferentially along the shaft.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] This invention, by incorporating a base, lower mold, top block, mold cavity, and push block, avoids the time-consuming process of waiting for stamping to complete before unloading, as is common in traditional stamping methods. This device allows for demolding and unloading of the product inside the other lower mold while one lower mold and upper mold are engaged during stamping. This enables the timely stamping of another blank sheet after stamping, significantly saving loading and unloading time and improving processing efficiency. Furthermore, the device facilitates easy and labor-saving ejection and demolding of the product, as well as directional discharge of waste material, reducing waste accumulation within the mold and enhancing usability. The mold in this device can also perform extrusion molding and punching operations on the blank sheet, avoiding the need for separate stamping processes. This mold design saves processing and turnaround time, improving overall processing efficiency. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the upper mold structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the mold cavity structure of the present invention;

[0024] Figure 4 This is a schematic diagram of the top block mounting structure of the present invention;

[0025] Figure 5 This is a schematic diagram of the top block structure of the present invention;

[0026] Figure 6 This is a schematic cross-sectional view of the base structure of the present invention;

[0027] Figure 7 This is a schematic diagram of the flexible component mounting structure of the present invention;

[0028] Figure 8 This is a schematic diagram of the mating structure of the lower mold and the connecting slider of the present invention;

[0029] Figure 9 This is a schematic cross-sectional view of the connecting slider structure of the present invention;

[0030] Figure 10 This is a schematic diagram illustrating the effect of the stamping product of the present invention.

[0031] In the diagram: 1. Base; 2. Shaft; 3. Top block; 31. Spring; 32. Inclined surface; 4. Lower mold; 41. Flexible component; 5. Upper mold; 6. Guide pillar; 7. Punch rod; 8. Mold cavity; 81. Through hole; 9. Push block; 10. Positioning hole; 101. Support plate; 102. Fixing plate; 103. Connecting slide; 104. Guide groove; 105. Push plate; 106. Discharge groove; 11. Connecting slider. Detailed Implementation

[0032] 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.

[0033] Please see Figures 1-10 The present invention provides a technical solution: a stamping die that facilitates the reduction of processes, comprising:

[0034] The base 1 and the upper mold 5 are set above the base 1. A shaft 2 is fixed in the middle of the upper surface of the base 1.

[0035] At least two lower dies 4 are set on the upper surface of the base 1, and the two opposite lower dies 4 are fixed by a connecting block, and the connecting block is rotatably engaged with the shaft 2. The stamping action is performed when the lower die 4 rotates to below the upper die 5.

[0036] Top block 3 is flexibly mounted on base 1;

[0037] The lower mold 4 has a mold cavity 8, and the inner side of the mold cavity 8 is connected to a push block 9 that is flush with its bottom surface through a mounting groove. When the lower mold 4 rotates onto the top block 3, the push block 9 is lifted by the top block 3 to demold the product inside the mold cavity 8.

[0038] By setting at least two lower dies 4 that can rotate around the shaft 2, one lower die 4 can perform stamping operations with the upper die 5 while the other lower die 4 can rotate to the top block 3 for demolding, realizing parallel processing of stamping and demolding processes, reducing waiting time between processes, and significantly improving production efficiency; at the same time, the elastically installed top block 3 automatically lifts the push block 9 to complete the demolding of the product in the mold cavity 8 without additional power or manual intervention, simplifying the operation process.

[0039] Preferably, one side wall of the top block 3 has an inclined surface 32, and a spring 31 is provided on the lower surface of the top block 3;

[0040] When the lower mold 4 is rotated, the lower mold 4 abuts against the inclined surface 32, so that the top block 3 is pressed into the inner side of the base 1. When the top block 3 corresponds to the push block 9, the top block 3 is reset by the spring 31 on the lower surface, so as to move upward to lift the push block 9. The push block 9 lifts the product inside the mold cavity 8 to achieve demolding. When the top block 3 slides into the slide groove inside the mold cavity 8, the lower mold 4 can be positioned, so as to ensure that the upper mold 5 and the other lower mold 4 cooperate to perform the stamping action.

[0041] Preferably, the base 1 includes a support plate 101, a fixing plate 102 and a connecting groove 103. At least two fixing plates 102 are fixed to the outer surface of the support plate 101. The upper surface edge of the support plate 101 is provided with a connecting groove 103 along its circumference. The lower surface of the lower mold 4 is fixed with a connecting slider 11 that slides in cooperation with the connecting groove 103.

[0042] The sliding fit between the connecting groove 103 and the connecting slider 11 provides precise guidance for the circumferential rotation of the lower mold 4, ensuring the accurate positioning of the lower mold 4 during rotation and stamping.

[0043] Preferably, the base 1 further includes a guide groove 104, a push plate 105, and a discharge groove 106. The guide groove 104 is opened on the upper surface of the support plate 101, and the guide groove 104 corresponds to the through hole 81 opened on the inner side of the mold cavity 8. The push plate 105 for pushing out waste material is fixed on the inner side of the guide groove 104. The discharge groove 106 is opened on the lower surface of the support plate 101, and one end of the discharge groove 106 is connected to the inside of the guide groove 104.

[0044] The waste generated by punching can fall directly into the guide groove 104 through the through hole 81 inside the mold cavity 8. When the lower mold 4 rotates, the push plate 105 pushes the waste into the discharge groove 106 for directional discharge, realizing automatic cleaning of waste, avoiding frequent manual cleaning of waste, and reducing auxiliary processes.

[0045] Preferably, the guide groove 104 is annular, and the lower surface of the lower mold 4 has a flexible member 41 that extends into the inner side of the guide groove 104;

[0046] When the lower mold 4 rotates, the flexible part 41 can continuously push the waste material in the guide groove 104 to move, preventing waste material from remaining or accumulating. The flexible part 41 is preferably nylon bristles or an arc plate.

[0047] Preferably, the cross-section of the connecting slider 11 is "L" shaped, and the connecting slider 11 slides circumferentially along the connecting groove 103;

[0048] It allows the lower mold 4 to slide freely in the circumferential direction, while effectively restricting its vertical separation, thus enhancing the connection reliability between the lower mold 4 and the base 1 and preventing the lower mold 4 from tilting or shifting during rotation.

[0049] Preferably, a punch 7 is fixed on the lower surface of the upper mold 5, and the punch 7 corresponds to the through hole 81;

[0050] This allows stamping and punching processes to be completed simultaneously, enabling multi-process composite processing without the need for separate punching operations. This reduces mold stations and processing steps, thereby improving production efficiency.

[0051] Preferably, guide posts 6 are provided at both ends of the lower surface of the upper mold 5, and positioning holes 10 that cooperate with the guide posts 6 are provided on the lower mold 4;

[0052] The cooperation between the guide post 6 and the positioning hole 10 ensures that the upper mold 5 and the lower mold 4 are precisely aligned when the molds are closed, effectively preventing misalignment and improving the dimensional accuracy and consistency of the stamped parts. At the same time, the guide post 6 can also help to share the lateral force and reduce mold wear.

[0053] Preferably, both push block 9 and top block 3 are arc-shaped.

[0054] Preferably, the outer contour of the upper mold 5 is the same as that of the lower mold 4, and the two lower molds 4 are arranged circumferentially along the shaft 2.

[0055] The working principle and usage process of this invention are as follows: In use, the upper mold 5 is connected to the stamping end of the stamping machine, and the lower mold 4 is rotated to be below the upper mold 5. At this time, the top block 3 slides into the mounting groove inside the other lower mold 4, and pushes up the push block 9 inside the mounting groove. Thus, the product inside the mold cavity 8 is pushed out by the rise of the push block 9 for demolding. At the same time, the upper mold 5 cooperates with the lower mold 4 under the drive of the stamping machine to extrude the blank sheet into shape. The guide post 6 is inserted into the inside of the through hole 81 to punch the sheet. The waste material falls into the inside of the guide groove 104 under the action of gravity. Then, the stamping machine drives the upper mold 5 to rise and rotates the lower mold 4 to drive the flexible part 41 to move inside the guide groove 104, thereby pushing the waste material to move. After the waste material comes into contact with the push plate 105, it is guided into the inside of the discharge groove 106 to discharge the waste material in a directional manner.

[0056] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A stamping die that facilitates the reduction of processing steps, characterized in that, include: The base (1) and the upper mold (5) set above the base (1) are provided. A shaft (2) is fixed in the middle of the upper surface of the base (1). At least two lower dies (4) are provided on the upper surface of the base (1), and the two lower dies (4) opposite each other are fixed by a connecting block, and the connecting block is rotatably engaged with the shaft (2). When the lower die (4) rotates to below the upper die (5), a stamping action is performed. The top block (3) is elastically mounted on the base (1); The lower mold (4) has a mold cavity (8), and the inner side of the mold cavity (8) is connected to a push block (9) that is flush with its bottom surface through a mounting groove. When the lower mold (4) rotates to the top block (3), the push block (9) is lifted by the top block (3) to demold the product inside the mold cavity (8).

2. The stamping die according to claim 1, characterized in that: The top block (3) has a slope (32) on one side wall, and a spring (31) is provided on the lower surface of the top block (3).

3. A stamping die according to claim 1, characterized in that: The base (1) includes a support plate (101), a fixing plate (102) and a connecting groove (103). At least two fixing plates (102) are fixed to the outer surface of the support plate (101). The upper surface edge of the support plate (101) is provided with a connecting groove (103) along its circumference. The lower surface of the lower mold (4) is fixed with a connecting slider (11) that slides in cooperation with the connecting groove (103).

4. A stamping die according to claim 3, characterized in that: The base (1) also includes a guide groove (104), a push plate (105) and a discharge groove (106). The guide groove (104) is opened on the upper surface of the support plate (101), and the guide groove (104) corresponds to the through hole (81) opened on the inner side of the mold cavity (8). The push plate (105) for pushing out waste material is fixed on the inner side of the guide groove (104). The discharge groove (106) is opened on the lower surface of the support plate (101), and one end of the discharge groove (106) is connected to the inside of the guide groove (104).

5. A stamping die according to claim 4 that facilitates reducing processing steps, characterized in that: The guide groove (104) is annular, and the lower mold (4) has a flexible part (41) extending into the inside of the guide groove (104) on its lower surface.

6. A stamping die according to claim 4 that facilitates reducing processing steps, characterized in that: The cross-section of the connecting slider (11) is "L" shaped, and the connecting slider (11) slides circumferentially along the connecting groove (103).

7. A stamping die according to claim 4 that facilitates reducing processing steps, characterized in that: The upper mold (5) has a punch (7) fixed on its lower surface, and the punch (7) corresponds to the through hole (81).

8. A stamping die according to claim 1, characterized in that: The upper mold (5) has guide posts (6) at both ends of its lower surface, and the lower mold (4) has positioning holes (10) that cooperate with the guide posts (6).

9. A stamping die according to claim 1, characterized in that: Both the push block (9) and the top block (3) are arc-shaped.

10. A stamping die according to claim 1, characterized in that: The outer contour of the upper mold (5) is the same as that of the lower mold (4), and the two lower molds (4) are arranged circumferentially along the shaft (2).

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