A die for cutting out separate inserts of cardboard for a car sunshade.

Abstract

This paper proposes a split insert blanking mold for cardboard in automotive cargo covers. The split insert blanking mold includes an upper mold and a lower mold. The upper mold includes an upper cover plate, upper pads, an upper mold frame, an upper backing plate, and a concave template. The upper cover plate is connected to the upper mold frame via the upper pads. An upper backing plate is placed below the upper mold frame, and a concave template is placed below the upper backing plate. The concave template includes a left-side insert, a left-side horizontal insert, a right-side horizontal insert, a right-side insert, a lower left insert, and a lower right insert. The inserts are spliced ​​together by connecting blocks to form the concave template. This mold solves the problems of high maintenance cost and poor adaptability of traditional integral templates. It has the advantages of convenient maintenance, low cost, strong versatility, and high processing precision, and is suitable for the efficient processing of cardboard for automotive cargo covers.

Description

Technical Field

[0001] This article belongs to the technical field of automotive parts processing molds, specifically relating to a split insert blanking mold for cardboard in automotive cargo covers. Background Technology

[0002] In the entire manufacturing process of car cargo covers, the quality of the cardboard used inside is crucial. The quality of this process directly affects the overall performance of the cargo cover and also largely determines the level of precision during assembly.

[0003] Currently, the industry mostly uses traditional one-piece template molds for blanking this type of cardboard, such as... Figure 3 As shown, the concave template of this type of mold is a single integral structure. In long-term mass production, it has revealed a series of insurmountable defects. Since the cardboard shape of car sunshades often has irregular bends, grooves and protrusions, the concave template is subjected to localized stress concentration during the blanking process, which easily leads to problems such as edge wear and cracking. Once the integral template is partially damaged, the damaged part cannot be replaced separately. The entire template must be scrapped and replaced with a new one. This not only significantly increases the mold maintenance cost, but also causes the production line to be shut down for a long time due to template replacement, which seriously affects the production progress. At the same time, the size and shape of the concave template of traditional integral molds are fixed, resulting in extremely low mold versatility. In addition, during long-term use, the integral template is prone to problems such as dimensional deviation and excessive burrs on the blanked cardboard due to overall stress deformation or uneven local wear.

[0004] Therefore, in response to the problems of high cost, poor adaptability, and insufficient precision stability of traditional integral blanking dies in the processing of automotive cargo cover paperboard, the development of a new type of blanking die that can be flexibly replaced, is easy to maintain, and can guarantee processing accuracy has become a technical problem that urgently needs to be solved in the industry. Utility Model Content

[0005] To address the aforementioned issues, this paper proposes a split-piece blanking mold for cardboard in automotive cargo covers. The mold comprises an upper mold and a lower mold. The upper mold includes an upper cover plate, upper pads, an upper mold frame, an upper backing plate, and a concave template. The upper cover plate is connected to the upper mold frame via the upper pads. An upper backing plate is placed below the upper mold frame, and a concave template is placed below the upper backing plate. The concave template includes a left-side cardboard insert, a left-side horizontal cardboard insert, a right-side cardboard insert, a lower left-side cardboard insert, and a lower right-side cardboard insert. These inserts are connected to each other via connecting blocks to form the concave template. This split-piece design not only facilitates mold manufacturing and assembly but also allows for replacement of only the damaged insert in case of localized damage, thereby reducing maintenance costs and ensuring high forming accuracy of the cardboard during blanking.

[0006] The lower mold includes a lower ejector plate, a lower pad plate, a lower mold base, lower pad feet, and a lower bottom plate. The lower bottom plate is connected to the lower mold frame via the lower pad feet. The lower pad plate is placed above the lower mold frame, and the lower ejector plate is placed above the lower pad plate. This structural design can work with the upper mold to complete the unloading operation of the cardboard and smoothly eject the processed cardboard from the mold.

[0007] The left and right side inserts of the cardboard are symmetrically arranged, the left and right horizontal inserts are on the same horizontal line, the lower left insert is below the left side insert, and the lower right insert is below the right side insert. The fixed positions of each insert together form a concave template structure suitable for processing the shape of the car sunshade cardboard, making the overall structure more reasonable.

[0008] The cardboard left side insert and the cardboard right side insert are both provided with U-shaped protrusions on the upper inner side. During the blanking process, the specific shape and structure of the car window visor cardboard can be accurately processed, improving the processing accuracy and applicability of the mold.

[0009] The left side insert, left horizontal insert, right horizontal insert, right side insert, lower left insert, and lower right insert of the cardboard in the concave template are all detachable, which greatly facilitates the maintenance and repair of the mold. When the insert is worn or damaged, it can be quickly disassembled and replaced with a new insert, reducing downtime and improving production efficiency.

[0010] The lower left and lower right inserts of the cardboard have a protruding structure on the inner side of the connection. During the blanking process, the corresponding positions of the cardboard are specially processed to make the processed cardboard more in line with the assembly requirements of the car cargo cover, thereby further improving the accuracy of mold processing and product quality.

[0011] Beneficial effects:

[0012] By splitting the concave template into six unequal pieces—a left-side cardboard insert, a left-side horizontal cardboard insert, a right-side cardboard insert, a lower left cardboard insert, and a lower right cardboard insert—and combining them with connecting blocks, not only can the amount of material used be effectively reduced, but the cost in the processing stage can also be significantly reduced.

[0013] Because the concave mold adopts a split insert design, each insert can be disassembled. When a certain insert is worn or damaged, it is not necessary to replace the entire concave mold. Only the corresponding damaged insert needs to be replaced. This not only greatly reduces the maintenance cost of the mold, but also reduces the production line downtime caused by mold replacement, thus improving production efficiency.

[0014] The design of the U-shaped groove and protruding structure enables precise processing of key parts of the cardboard, effectively avoiding problems such as dimensional deviation and excessive burrs, ensuring the assembly accuracy of the cardboard with subsequent components, and improving product quality. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of a die for cutting out the split inserts of cardboard in a car sunshade.

[0016] Figure 2 This is a schematic diagram of the concave template of a die for blanking a cardboard insert in a car sunshade.

[0017] Figure 3 This is a schematic diagram of an integral blanking mold for cardboard in a car sunshade.

[0018] In the diagram: 1. Left side panel of cardboard; 2. Left horizontal panel of cardboard; 3. Right horizontal panel of cardboard; 4. Right side panel of cardboard; 5. Lower right panel of cardboard; 6. Lower left panel of cardboard. Detailed Implementation

[0019] To enhance understanding of this utility model, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings. These embodiments are only used to explain the present utility model and do not constitute a limitation on the scope of protection of the present utility model.

[0020] Cardboard left side inlay 1, cardboard left horizontal inlay 2, cardboard right horizontal inlay 3, cardboard right side inlay 4, cardboard lower right inlay 5, cardboard lower left inlay 6.

[0021] like Figure 1 , 2 As shown;

[0022] A die for blanking cardboard inserts in a car cargo cover, comprising an upper die and a lower die. The upper die includes an upper cover plate, upper pads, an upper die frame, an upper backing plate, and a recessed template. The upper cover plate is connected to the upper die frame via the upper pads. The upper backing plate is placed below the upper die frame, and the recessed template is placed below the upper backing plate. The recessed template includes a left cardboard insert 1, a left horizontal cardboard insert 2, a right horizontal cardboard insert 3, a right cardboard insert 4, a lower left cardboard insert 6, and a lower right cardboard insert 5. The inserts are joined together by connecting blocks to form the recessed template. The lower die includes a lower ejector plate, a lower backing plate, a lower die base, lower pads, and a lower base plate. The lower base plate is connected to the lower die frame via the lower pads. The connection includes a lower pad plate above the lower mold frame, a lower release plate above the lower pad plate, a symmetrical arrangement of the left side insert 1 and the right side insert 4 of the cardboard, a left horizontal insert 2 and a right horizontal insert 3 of the cardboard located on the same horizontal line, a lower left insert 6 of the cardboard located below the left side insert 1 of the cardboard, and a lower right insert 5 of the cardboard located below the right side insert 4 of the cardboard. A U-shaped groove is provided on the upper inner side of both the left side insert 1 and the right side insert 4 of the cardboard. All four cardboard inserts in the concave template—left side insert 1, left horizontal insert 2, right horizontal insert 3, right side insert 4, lower left insert 6, and lower right insert 5—are detachable. A protruding structure is provided on the inner side of the connection between the lower left insert 6 and the lower right insert 5 of the cardboard.

[0023] Implementation example;

[0024] The left side insert 1, left horizontal insert 2, right horizontal insert 3, right side insert 4, lower left insert 6, and lower right insert 5 of the cardboard are spliced ​​together by connecting blocks to form a concave template. The cardboard material to be processed is placed on the lower ejector plate of the lower mold. The upper mold moves downward under the drive of the pressure device. The concave template in the upper mold approaches the lower mold. After the material is dropped, the upper mold moves upward, and the lower ejector plate in the lower mold pushes the processed cardboard out of the mold, completing one dropping operation, which greatly improves the efficiency and economy of the mold.

[0025] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A die for blanking separate inserts of cardboard in a car sunshade, characterized in that, The cardboard split insert blanking mold includes an upper mold and a lower mold. The upper mold includes an upper cover plate, upper pads, an upper mold frame, an upper pad plate, and a concave template. The upper cover plate is connected to the upper mold frame via the upper pads. An upper pad plate is placed below the upper mold frame, and a concave template is placed below the upper pad plate. The concave template includes a cardboard left side insert, a cardboard left horizontal insert, a cardboard right horizontal insert, a cardboard right side insert, a cardboard lower left insert, and a cardboard lower right insert. The inserts are spliced ​​together by connecting blocks to form the concave template.

2. The blanking die for the split panel of the paperboard in the automobile shade curtain according to claim 1, characterized in that, The lower mold includes a lower ejector plate, a lower pad plate, a lower mold base, lower support feet, and a lower bottom plate. The lower bottom plate is connected to the lower mold frame via the lower support feet. The lower pad plate is placed on top of the lower mold frame, and the lower ejector plate is placed on top of the lower pad plate.

3. The blanking die for the split panel of the paperboard in the automobile shade curtain according to claim 1, characterized in that, The left and right side inserts of the cardboard are symmetrically arranged, the left and right horizontal inserts are on the same horizontal line, the lower left insert is below the left side insert, and the lower right insert is below the right side insert.

4. The blanking die for the split panel of the paperboard in the automobile shade curtain according to claim 1, characterized in that, The upper inner side of both the left and right side inserts of the cardboard is provided with a U-shaped groove.

5. The blanking die for the split panel of the paperboard in the automobile shade curtain according to claim 1, characterized in that, The left side insert, left horizontal insert, right horizontal insert, right side insert, lower left insert, and lower right insert of the cardboard in the concave template are all detachable.

6. The blanking die for the split panel of the paperboard in the automobile shade curtain according to claim 1, characterized in that, The lower left and lower right inserts of the cardboard have a protruding structure on the inner side of the connection.

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