Blanking and punching die for silencer partition plate of exhaust system

Abstract

The utility model belongs to the technical field of automobile engine exhaust systems, and relates to a blanking and punching die for a silencer partition plate of an exhaust system. A blanking female die (1) is arranged on the lower surface of the upper die assembly, an upper die punch hole (2) is arranged in the blanking female die (1), a blanking male die (3) is arranged on the upper surface of the lower die assembly, a lower die punch hole (4) is arranged in the blanking male die (3), and a punching punch (5) is sleeved in the upper die punch hole (2) or the lower die punch hole (4). The blanking and punching die for the silencer partition plate of the exhaust system is simple in structure and capable of achieving one-time machining forming of the blanking procedure and the punching procedure of the silencer partition plate, the production procedure is simplified, the yield of products is doubled within a certain period of time, the occupied time of a machine table is shortened, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile engine exhaust systems, and more specifically relates to a blanking and punching die for a muffler partition of an exhaust system. Background Art

[0002] The existing exhaust system muffler baffle blanking die and punching die are two pairs of dies. Each production is carried out first and then punching. The machine produces one blanking piece per punching. The product demand is large, the number of blanking pieces is large, and the machine occupies a long time. Specifically, the defects of the existing technology are: 1. The muffler baffle is consumed by a large number of vehicles, and the blanking process produces one piece per punching, which is low. 2. The production efficiency of punching after blanking is low. 3. The blanking process occupies a long machine time. 4. The material utilization rate of the partition blanking die is low. 5. It is difficult to separate the blank and the waste material during blanking, and the material jamming affects the production rhythm. 6. The punch wear, the die sleeve chipping, and the knife edge wear take a long time to repair.

[0003] The prior art includes a technology titled "Muffler Bulkhead" with publication number CN109057918A. This technology comprises a main body with a through-hole for inserting a core tube. The main body also includes a multi-lobed flange surrounding the through-hole. The flanges are oriented at an acute angle to the plane of the main body to enhance flexible contact between the core tube and the bulkhead when the core tube is inserted into the through-hole. This arrangement improves the secure connection between the bulkhead and the core tube.

[0004] However, this technology does not involve the technical problems and technical solutions of the present application. Utility Model Content

[0005] The technical problem to be solved by the utility model is: in view of the shortcomings of the existing technology, a blanking and punching die for the muffler baffle of the exhaust system is provided, which has a simple structure and can realize the blanking process and punching process of the muffler baffle in one process, thereby simplifying the production process, doubling the output of the product in a certain period of time, reducing the machine occupancy time, and improving production efficiency.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is:

[0007] The utility model is a blanking and punching die for a muffler partition of an exhaust system. A blanking die is arranged on the lower surface of an upper die assembly, an upper die punch hole is arranged in the blanking die, a blanking convex die is arranged on the upper surface of a lower die assembly, a lower die punch hole is arranged in the blanking convex die, and a punching punch is set in the upper die punch hole or the lower die punch hole.

[0008] The upper die assembly includes an upper die plate, an upper die stripper plate, and an upper die pad. The blanking die is arranged on the lower surface of the upper die stripper plate, and the upper die stripper plate and the upper die pad are connected by a spring.

[0009] The lower die assembly includes a lower die plate, a lower die stripper plate, and a lower die pad. The blanking punch 3 is arranged on the upper surface of the lower die stripper plate, and the lower die stripper plate and the lower die pad are connected by a spring.

[0010] The upper die pad is connected to the upper die plate, and the upper die plate is connected to the lifting component.

[0011] The lower mold plate is connected to the lower mold base plate, and the lower mold base plate is connected to the lower mold pad.

[0012] An upper die guide column is arranged on the lower surface of the upper die plate, and a lower die guide sleeve is arranged on the upper surface of the lower die base plate.

[0013] The lower surface of the upper die stripper plate is provided with multiple blanking dies, each of which is provided with multiple upper die punch holes; the upper surface of the lower die stripper plate is provided with multiple blanking convex dies, each of which is provided with multiple lower die punch holes.

[0014] A partition positioning pin is provided on the blanking punch.

[0015] The technical solution of this utility model is adopted, and the working principle and beneficial effects are as follows:

[0016] The exhaust system muffler baffle blanking and punching die described in the present invention is structured to separately manufacture an upper die assembly and a lower die assembly. The upper die assembly includes a plurality of components that are connected in combination. The lower die assembly includes a plurality of components that are connected in combination. A blanking die 1 is provided on the lower surface of the upper die assembly so that the upper die has a blanking processing function. An upper die punch hole 2 is provided in the blanking die 1 so that the upper die has a punching function. A blanking punch 3 is provided on the upper surface of the lower die assembly so that the lower die and the upper die can cooperate to complete the processing step and have the blanking processing function. A lower die punch hole 4 is provided in the blanking punch 3 so that the lower die and the upper die can cooperate to complete the processing step and have the punching processing function. The installation of the punching punch 5 can be selected, that is, it can be installed in the upper die punch hole 2 or the lower die punch hole 4, so that reliable installation can be achieved and replacement can be convenient. In this way, the upper die and the lower die only need to contact each other once to complete the blanking process and the punching process. In this way, the processing step is effectively simplified and the processing efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The following is a brief description of the contents and symbols in the drawings of this specification:

[0018] Figure 1 This is a structural schematic diagram of the upper die assembly of the exhaust system muffler baffle blanking and punching die according to the present invention;

[0019] Figure 2 This is a structural schematic diagram of the upper die assembly of the exhaust system muffler baffle blanking and punching die according to the present invention;

[0020] Figure 3 This is a structural schematic diagram of the upper die assembly of the exhaust system muffler baffle blanking and punching die according to the present invention;

[0021] Figure 4 This is a schematic structural diagram of the lower die assembly of the exhaust system muffler baffle blanking and punching die according to the present invention;

[0022] Figure 5 This is a structural schematic diagram of the lower die assembly of the exhaust system muffler baffle blanking and punching die according to the present invention;

[0023] Figure 6 This is a schematic structural diagram of the lower die assembly of the exhaust system muffler baffle blanking and punching die according to the present invention;

[0024] Figure 7 This is a schematic diagram of the overall assembly structure of the exhaust system muffler baffle blanking and punching die according to the present utility model;

[0025] The marks in the accompanying drawings are: 1. blanking die; 2. upper die punch hole; 3. blanking punch; 4. lower die punch hole; 5. punching punch; 6. upper template; 7. upper die unloading plate; 8. upper die pad; 9. lower template; 10. lower die unloading plate; 11. lower die pad; 12. lifting component; 13. lower die bottom plate; 14. lower die pad; 15. upper die guide column; 16. lower die guide sleeve; 17. partition positioning pin. DETAILED DESCRIPTION

[0026] The following is a detailed description of the embodiments of the present invention, such as the shapes, structures, positions and connections of the various components involved, the functions and working principles of the various components, etc., by referring to the accompanying drawings.

[0027] As attached Figure 1 -Attached Figure 7As shown, the utility model is a blanking and punching die for a muffler baffle of an exhaust system. The lower surface of the upper die assembly is provided with a blanking die 1, and the blanking die 1 is provided with an upper die punch hole 2. The upper surface of the lower die assembly is provided with a blanking punch 3, and the blanking punch 3 is provided with a lower die punch hole 4. A punch 5 is inserted into the upper die punch hole 2 or the lower die punch hole 4. The above structure addresses the shortcomings of the existing technology and proposes an improved technical solution. When setting up the structure, the upper die assembly and the lower die assembly are made separately. The upper die assembly includes multiple parts, which are combined and connected. The lower die assembly includes multiple parts, which are combined and connected. A blanking die 1 is set on the lower surface of the upper die assembly so that the upper die has a blanking processing function. An upper die punch hole 2 is set in the blanking die 1 so that the upper die has a punching function. A blanking punch 3 is set on the upper surface of the lower die assembly so that the lower die and the upper die can cooperate to complete the processing procedure and have a blanking processing function. A lower die punch hole 4 is set in the blanking punch 3 so that the lower die and the upper die can cooperate to complete the processing procedure and have a punching processing function. The installation of the punching punch 5 can be selected, that is, it can be installed in the upper die punch hole 2 or the lower die punch hole 4, so that reliable installation can be achieved and replacement can be convenient. In this way, the upper die and the lower die only need to contact each other once to complete the blanking process and the punching process. In this way, the processing process is effectively simplified and the processing efficiency is improved. The exhaust system muffler baffle blanking and punching die described in the utility model has a simple structure and can realize the blanking process and punching process of the muffler baffle in one process, thereby simplifying the production process, doubling the output of the product in a certain period of time, reducing the machine occupancy time, and improving production efficiency.

[0028] The upper die assembly comprises an upper die plate 6, an upper die stripper plate 7, and an upper die backing plate 8. The blanking die 1 is positioned below the upper die stripper plate 7, and the upper die stripper plate 7 and upper die backing plate 8 are connected by a spring. This structure, through the provision of springs, provides the upper die assembly with a flexible cushioning function, allowing for initial, flexible contact with the lower die before applying force to process the component.

[0029] The lower die assembly comprises a lower die plate 9, a lower die stripper plate 10, and a lower die backing plate 11. The punch 3 is mounted on the upper surface of the lower die stripper plate 10, and the lower die stripper plate 10 and the lower die backing plate 11 are connected by a spring. This structure, through the provision of springs, provides the lower die assembly with a flexible cushioning function, allowing for flexible contact with the upper die before applying force to perform processing.

[0030] The upper die pad 8 is connected to the upper die plate 6, and the upper die plate 6 is connected to the lifting component 12. With the above structure, the lifting component can drive the upper die assembly to achieve vertical lifting to complete the processing process.

[0031] The lower mold plate 9 is connected to the lower mold base plate 13, and the lower mold base plate 13 is connected to the lower mold pad 14. In the above structure, the lower mold base plate and the lower mold pad can reliably support the lower mold plate, and the lower mold plate is fixedly arranged.

[0032] Upper die guide pins 15 are provided on the lower surface of the upper die plate 6, and lower die guide sleeves 16 are provided on the upper surface of the lower die base plate 13. With this structure, when the upper and lower die assemblies are in contact, each upper die guide pin 15 is movably inserted into a corresponding lower die guide sleeve, achieving horizontal positioning of the upper and lower die assemblies, ensuring that the upper and lower die assemblies can only move up and down, and ensuring machining accuracy.

[0033] The upper die stripper plate 7 has multiple blanking dies 1 on its lower surface, each with multiple upper die punch holes 2. The lower die stripper plate 10 has multiple blanking convex dies 3 on its upper surface, each with multiple lower die punch holes 4. In this structure, the number and positions of the blanking dies 1 and convex dies 3 correspond one to one, and can be set based on the required number.

[0034] The blanking punch 3 is provided with a partition locating pin 17. The above structure, the setting of the partition locating pin 17, when the partition is placed on the blanking punch 3, is positioned by the partition locating pin, so that the partition will not move during the processing after being put in place, ensuring processing accuracy.

[0035] The exhaust system muffler baffle blanking and punching die described in the present invention is structured to separately manufacture an upper die assembly and a lower die assembly. The upper die assembly includes a plurality of components that are connected in combination. The lower die assembly includes a plurality of components that are connected in combination. A blanking die 1 is provided on the lower surface of the upper die assembly so that the upper die has a blanking processing function. An upper die punch hole 2 is provided in the blanking die 1 so that the upper die has a punching function. A blanking punch 3 is provided on the upper surface of the lower die assembly so that the lower die and the upper die can cooperate to complete the processing step and have the blanking processing function. A lower die punch hole 4 is provided in the blanking punch 3 so that the lower die and the upper die can cooperate to complete the processing step and have the punching processing function. The installation of the punching punch 5 can be selected, that is, it can be installed in the upper die punch hole 2 or the lower die punch hole 4, so that reliable installation can be achieved and replacement can be convenient. In this way, the upper die and the lower die only need to contact each other once to complete the blanking process and the punching process. In this way, the processing step is effectively simplified and the processing efficiency is improved.

[0036] The above is an exemplary description of the present invention in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the scope of protection of the present invention.

Claims

1. A blanking and punching die for muffler baffles of an exhaust system, characterized by: A blanking die (1) is provided on the lower surface of the upper die assembly, an upper die punch hole (2) is provided in the blanking die (1), a blanking convex die (3) is provided on the upper surface of the lower die assembly, a lower die punch hole (4) is provided in the blanking convex die (3), and a punching punch (5) is set in the upper die punch hole (2) or the lower die punch hole (4); The upper die assembly comprises an upper die plate (6), an upper die stripping plate (7), and an upper die pad (8); the blanking die (1) is arranged on the lower surface of the upper die stripping plate (7); and the upper die stripping plate (7) and the upper die pad (8) are connected via a spring; The lower die assembly comprises a lower die plate (9), a lower die stripping plate (10), and a lower die pad (11); the blanking punch (3) is arranged on the upper surface of the lower die stripping plate (10); and the lower die stripping plate (10) and the lower die pad (11) are connected via a spring; The upper die pad (8) is connected to the upper die plate (6), and the upper die plate (6) is connected to the lifting component; The lower mold plate (9) is connected to the lower mold base plate (13), and the lower mold base plate (13) is connected to the lower mold pad (14); An upper die guide column (15) is provided on the lower surface of the upper die plate (6), and a lower die guide sleeve (16) is provided on the upper surface of the lower die base plate (13).

2. The exhaust system muffler baffle blanking and punching die according to claim 1, characterized in that: The upper die stripper plate (7) has a plurality of blanking dies (1) on its lower surface, and each blanking die (1) has a plurality of upper die punch holes (2); the lower die stripper plate (10) has a plurality of blanking convex dies (3) on its upper surface, and each blanking convex dies (3) has a plurality of lower die punch holes (4).

3. The exhaust system muffler baffle blanking and punching die according to claim 1 or 2, characterized in that: A partition positioning pin (17) is provided on the blanking punch (3).

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