Forming die for interior and exterior ornaments of automobile

By introducing auxiliary demolding components and electric telescopic pusher plates into the mold, combined with the buffer design of elastic parts and rubber pads, the problems of difficult demolding and unstable conveying of traditional molds are solved, and efficient and stable production of automotive interior and exterior parts is achieved.

CN223701465UActive Publication Date: 2025-12-23HEFEI KANNA AUTOMOTIVE PARTS CO LTD
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Patent Information

Application Number
CN202520221414.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2025-12-23
Estimated Expiration
2035-02-12

AI Technical Summary

Technical Problem

Traditional automotive interior and exterior trim molding dies lack reliable auxiliary demolding devices, resulting in difficulties in demolding products, easy deformation or damage, and a lack of precise material pushing and conveying structures, which affects production efficiency and product quality.

Method used

A mold structure was designed that includes an auxiliary demolding component, an electric telescopic rod, and an elastic element. The elastic element assists in demolding through its elasticity, and the electric telescopic rod pusher plate and anti-deviation plate enable precise delivery. An elastic rubber pad is used to cushion the product falling in, ensuring product integrity and accuracy.

Benefits of technology

It improved the product demolding success rate, reduced the risk of damage, ensured the stability and accuracy of the product during transportation, protected the product surface quality, and improved production efficiency and yield.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of molds, in particular to an automobile interior and exterior trim part forming mold which comprises a base, a mounting plate, a lower mold table, an L-shaped plate and a collecting box with an opening in the top, a lower male mold is fixedly mounted at the top of the lower mold table, and an auxiliary demolding assembly is further mounted at the top of the lower mold table; a first electric telescopic rod is fixedly connected to the inner side wall of the L-shaped plate and located over the lower die table, an upper die table is fixedly connected to the output end of the first electric telescopic rod, an upper female die is installed on the inner wall of the top of the upper die table, and a second electric telescopic rod is fixedly connected to the surface, close to the lower die table, of the installation plate. According to the scheme, the demolding plate can stably jack up a product upwards under the elastic action of the elastic piece, the demolding force is effectively shared, the adhesive force between the product and a mold is greatly reduced, it is ensured that the product is completely and smoothly demolded, the damage risk of the product in the demolding process is remarkably reduced, and then the production efficiency and the yield of the product are improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of molds, in particular to a forming mold for an automobile interior and exterior part. BACKGROUND

[0002] The automobile interior and exterior part is an important component of the overall image and driving experience of an automobile. With the continuous progress of the automobile industry, consumers have higher requirements for the quality, precision and production efficiency of the automobile interior and exterior part. In the current production of the automobile interior and exterior part, the traditional forming mold exposes a series of significant problems.

[0003] In view of the above related technologies, the inventors believe that most traditional molds adopt a simple demolding mode and lack reliable auxiliary demolding devices. This makes the demolding process extremely difficult after product forming, often resulting in product deformation, breakage and other defects, which not only reduces the qualified rate of the product, but also increases the production cost due to frequent rework and waste treatment, and also seriously restricts the improvement of production efficiency. In addition, the existing mold also has disadvantages in the conveying and collecting stage after product forming. On the one hand, the product cannot be stably and accurately pushed to the specified position after being separated from the mold due to the lack of a precisely controlled pushing structure, which is not conducive to realizing efficient mass production. Therefore, in order to solve the above problems, the application provides a forming mold for an automobile interior and exterior part. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the problems in the background art, the application provides a forming mold for an automobile interior and exterior part.

[0005] The forming mold for an automobile interior and exterior part provided by the application comprises a base, a mounting plate, a lower mold table, an L-shaped plate and a collecting box with an open top, the top of the lower mold table is fixedly provided with a lower punch, the top of the lower mold table is also provided with an auxiliary demolding assembly, the inner side wall of the L-shaped plate and above the lower mold table are fixedly connected with a first electric telescopic rod, the output end of the first electric telescopic rod is fixedly connected with an upper mold table, the top inner wall of the upper mold table is provided with an upper die, the surface of the mounting plate close to the lower mold table is fixedly connected with a second electric telescopic rod, the output end of the second electric telescopic rod is fixedly connected with a U-shaped pushing plate, and the side top end of the lower mold table close to the collecting box is fixedly connected with a discharging plate.

[0006] Preferably, the auxiliary demolding assembly comprises a circular groove formed at the four corners of the top of the lower mold table, the bottom inner wall of the circular groove is fixedly connected with an elastic piece, the four ends of the elastic pieces away from the circular groove are fixedly connected with a demolding plate, and the surface of the demolding plate is provided with a through groove for the lower punch to pass through.

[0007] Preferably, both sides of the blanking plate are fixedly connected with deviation prevention plates, one end of the deviation prevention plate close to the lower die table is tightly attached to the side wall of the stripping plate, and the other end of the blanking plate away from the stripping plate extends above the collecting box.

[0008] Preferably, the bottom inner wall of the collecting box is provided with an elastic rubber pad.

[0009] Preferably, the mounting plate, the lower die table, the L-shaped plate and the collecting box are fixedly connected to the outside of the base, and the lower die table is arranged on both sides of the mounting plate and the collecting box.

[0010] To sum up, the present application has the following beneficial technical effects:

[0011] 1. Circular grooves are arranged at the four corners of the top of the lower die table, and elastic members are connected to the bottom inner wall of the circular grooves. When the mold is opened, the elastic members can stably lift the product upward, effectively share the stripping force, greatly reduce the adhesion between the product and the mold, ensure the complete and smooth stripping of the product, significantly reduce the risk of damage to the product during the stripping process, and further improve the production efficiency and the yield of the product.

[0012] 2. The combination of the second electric telescopic rod and the U-shaped pushing plate, and the deviation prevention plates on both sides of the blanking plate, together constitute a precise conveying system. After the product is stripped, the electric telescopic rod precisely drives the U-shaped pushing plate to stably push the product to the blanking plate. The deviation prevention plates are tightly attached to the stripping plate and can effectively guide the product to prevent it from deviating during the conveying process, ensuring that the product accurately passes through the blanking plate along the predetermined path and falls into the collecting box, greatly improving the accuracy and stability of product conveying and ensuring the smooth progress of the production process.

[0013] 3. The elastic rubber pad installed on the bottom inner wall of the collecting box provides the last protective barrier for the product. When the product falls into the collecting box, the elastic rubber pad can quickly buffer the impact force to avoid hard collision between the product and the bottom of the box, effectively preventing the product from being damaged, such as scratches and dents, and ensuring the quality of the product in all directions. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a front view structural schematic diagram of an automobile interior and exterior part forming mold according to an embodiment of the present application;

[0015] Figure 2 is a top view structural schematic diagram of an automobile interior and exterior part forming mold according to an embodiment of the present application;

[0016] Figure 3 is a sectional view structural schematic diagram of an automobile interior and exterior part forming mold according to an embodiment of the present application;

[0017] Figure 4 is Figure 1Structure schematic view of the middle A.

[0018] Explanation of reference numerals: 1, base; 2, mounting plate; 3, lower die table; 4, L-shaped plate; 5, collection box; 6, lower male die; 7, first electric telescopic rod; 8, upper die table; 9, upper female die; 10, second electric telescopic rod; 11, U-shaped pushing plate; 12, blanking plate; 13, circular groove; 14, elastic member; 15, demolding plate; 16, through groove; 17, anti-deviation plate; 18, elastic rubber pad. DETAILED DESCRIPTION

[0019] The following will be described in detail in combination with the accompanying Figure 1 - Figure 4 The present application is further described in detail.

[0020] Example One:

[0021] An automobile interior and exterior part forming die, referring to Figure 1 - Figure 4 , comprising a base 1, a mounting plate 2, a lower die table 3, an L-shaped plate 4, and a collection box 5 with an opening at the top, the top of the lower die table 3 is fixedly installed with a lower male die 6, and the top of the lower die table 3 is also installed with an auxiliary demolding assembly, the inner side wall of the L-shaped plate 4 and located directly above the lower die table 3 is fixedly connected with a first electric telescopic rod 7, the output end of the first electric telescopic rod 7 is fixedly connected with an upper die table 8, and the inner wall of the top of the upper die table 8 is installed with an upper female die 9, in the forming process, the lower male die 6 cooperates with the upper female die 9 to jointly shape the shape of the automobile interior and exterior part, when the mold needs to be closed, the first electric telescopic rod 7 is elongated to push the upper die table 8 to move downward, and the upper female die 9 on the inner wall of the upper die table 8 is tightly attached to the lower male die 6 to extrude the raw material placed on the lower male die 6 into a cavity between them, the surface of the mounting plate 2 close to the lower die table 3 is fixedly connected with a second electric telescopic rod 10, the output end of the second electric telescopic rod 10 is fixedly connected with a U-shaped pushing plate 11, and the side top end of the lower die table 3 close to the collection box 5 is fixedly connected with a blanking plate 12, when demolding is needed, the second electric telescopic rod 10 starts to work, it is elongated to push the U-shaped pushing plate 11 to push the formed product away from the lower male die 6, and the product slides along the blanking plate 12 at the side top end of the lower die table 3 close to the collection box 5 to the collection box 5.

[0022] Refer to Figure 1 , Figure 3 and Figure 4The auxiliary demolding assembly comprises a circular groove 13 arranged at the four corners of the top of the lower die table 3, the inner wall of the bottom of the circular groove 13 is fixedly connected with an elastic element 14, the four elastic elements 14 are fixedly connected with a demolding plate 15 at the end away from the circular groove 13, the surface of the demolding plate 15 is provided with a through groove 16 for the lower punch 6 to pass through, and the working principle of the auxiliary demolding assembly is based on the elastic property of the elastic element 14. The circular groove 13 arranged at the four corners of the top of the lower die table 3 is mainly used for installing the elastic element 14 and providing a moving space for the elastic element 14. One end of the elastic element 14 is fixed to the inner wall of the bottom of the circular groove 13, and the other end is connected with the demolding plate 15. When the mold is in the closed state, the demolding plate 15 is compressed under the pressure of the product and the upper die table 8, so that the elastic element 14 is in a compressed state. When the mold is opened, the first electric telescopic rod 7 drives the upper die table 8 to move upwards. At this time, the elastic element 14 begins to recover the deformation and generates an upward elastic force to push the demolding plate 15 upwards. Since the surface of the demolding plate 15 is provided with the through groove 16 for the lower punch 6 to pass through, the lower punch 6 can pass through the through groove 16, and the demolding plate 15 can lift the formed product from the lower punch 6, share the demolding force, make the product more easily separate from the lower punch 6, and complete the auxiliary demolding action.

[0023] With reference to Figure 1 and Figure 2 The two sides of the blanking plate 12 are fixedly connected with a deviation preventing plate 17, one end of the deviation preventing plate 17 close to the lower die table 3 is tightly fitted with the side wall of the demolding plate 15, and the end of the blanking plate 12 away from the demolding plate 15 extends to above the collecting box 5. The deviation preventing plates 17 on the two sides of the blanking plate 12 mainly play a guiding and deviation preventing role. After the product is pushed off the lower punch 6 by the U-shaped pushing plate 11, the product will slide along the blanking plate 12 to the collecting box 5. One end of the deviation preventing plate 17 close to the lower die table 3 is tightly fitted with the side wall of the demolding plate 15. In this way, after the product is demolded, it can directly enter the channel formed by the deviation preventing plate 17. Since the spacing between the deviation preventing plates 17 is slightly larger than the size of the product, the deviation preventing plate 17 can limit the left and right movement of the product when the product slides along the blanking plate 12, preventing the product from deviating during transportation. The end of the blanking plate 12 away from the demolding plate 15 extends to above the collecting box 5, ensuring that the product can accurately and correctly fall into the collecting box 5, and ensuring the accuracy and stability of product conveying.

[0024] With reference to Figure 2 and Figure 3The bottom inner wall of the collecting box 5 is provided with an elastic rubber pad 18, which is mainly used to buffer the impact force when the product falls. When the product slides into the collecting box 5 along the feeding plate 12, a certain impact force will be generated on the bottom of the collecting box 5 due to the action of gravity and sliding speed. The elastic rubber pad 18 has good elasticity and buffering performance. When the product contacts the elastic rubber pad 18, the elastic rubber pad 18 will deform, absorb the impact force of the falling product, convert the impact force into elastic potential energy, and then slowly release it. In this way, hard collision between the product and the bottom of the collecting box 5 is avoided, effectively preventing damage such as scratches and dents on the surface of the product, and protecting the quality of the product.

[0025] With reference to Figure 1 The mounting plate 2, the lower mold table 3, the L-shaped plate 4 and the collecting box 5 are fixedly connected outside the base 1, and the lower mold table 3 is arranged on both sides of the mounting plate 2 and the collecting box 5.

[0026] The implementation principle of the automobile interior and exterior trim part forming die provided in the embodiments of the present application is as follows: the first electric telescopic rod 7 and the second electric telescopic rod 10 are preferably LX600 type, and the first electric telescopic rod 7 and the second electric telescopic rod 10 are electrically connected with an external power source through a switch; when the die needs to be closed, the first electric telescopic rod 7 is elongated to push the upper die table 8 to move downward, and the upper concave die 9 on the inner wall of the upper die table 8 is tightly attached to the lower convex die 6 to extrude the raw material placed on the lower convex die 6 into a cavity between the upper concave die 9 and the lower convex die 6; when the die is in the closed state, the demolding plate 15 is compressed under the pressure of the product and the upper die table 8, so that the elastic member 14 is in a compressed state; when the die is opened, the first electric telescopic rod 7 is started through the switch to drive the upper die table 8 to move upward, at this time, the elastic member 14 starts to restore the deformation to generate upward elastic force to push the demolding plate 15 to move upward. Since the demolding plate 15 is provided with a through groove 16 through which the lower convex die 6 can pass, the demolding plate 15 can lift the formed product from the lower convex die 6 to share the demolding force, so that the product is more easily separated from the lower convex die 6, the auxiliary demolding action is completed, and the surface of the installation plate 2 close to the lower die table 3 is fixedly connected with the second electric telescopic rod 10, the output end of the second electric telescopic rod 10 is fixedly connected with a U-shaped pushing plate 11, and the lower die table 3 close to the top end of one side of the collecting box 5 is fixedly connected with a discharging plate 12; when demolding is needed, the second electric telescopic rod 10 is started to work through the switch, it is elongated to push the U-shaped pushing plate 11 to push the formed product away from the lower convex die 6, and the product slides along the discharging plate 12 close to the top end of one side of the collecting box 5 to the collecting box 5, the anti-deviation plates 17 on both sides of the discharging plate 12 mainly play a guiding and anti-deviation role; after the product is pushed off from the lower convex die 6 by the U-shaped pushing plate 11, the product slides to the collecting box 5 along the discharging plate 12, the anti-deviation plate 17 close to the lower die table 3 is tightly attached to the side wall of the demolding plate 15, so that the product can directly enter the channel formed by the anti-deviation plate 17 after demolding; since the spacing between the anti-deviation plates 17 is slightly larger than the size of the product, the anti-deviation plates 17 can limit the left and right movement of the product when the product slides along the discharging plate 12, so that the product is prevented from deviating during transportation, the end of the discharging plate 12 away from the demolding plate 15 extends to the upper side of the collecting box 5, so that the product can accurately and correctly fall into the collecting box 5, and the accuracy and stability of product conveying are ensured; when the product slides into the collecting box 5 along the discharging plate 12, the product will generate a certain impact force on the bottom of the collecting box 5 due to the action of gravity and sliding speed, the elastic rubber pad 18 has good elasticity and buffering performance, the elastic rubber pad 18 will deform when the product contacts the elastic rubber pad 18 to absorb the impact force of the product falling, convert the impact force into elastic potential energy, and then slowly release, so that the product is prevented from hard collision with the bottom of the collecting box 5, the product surface is effectively prevented from being damaged, such as scratches and dents, and the product quality is protected.

[0027] The exemplary embodiment of the automobile interior and exterior trim part forming die provided by the present disclosure is described above with reference to a preferred embodiment, however, it can be understood by those skilled in the art that various modifications and changes can be made to the above specific embodiment, and various technical features and structures proposed by the present disclosure can be combined without departing from the concept of the present disclosure, and the protection scope of the present disclosure is determined by the appended claims.

Claims

1. A molding die for automotive interior and exterior trim parts, comprising a base (1), a mounting plate (2), a lower mold platform (3), an L-shaped plate (4), and a collection box (5) with an open top, characterized in that: The lower die (6) is fixedly installed on the top of the lower die (3). An auxiliary demolding component is also installed on the top of the lower die (3). A first electric telescopic rod (7) is fixedly connected to the inner wall of the L-shaped plate (4) and directly above the lower die (3). An upper die (8) is fixedly connected to the output end of the first electric telescopic rod (7). An upper die (9) is installed on the top inner wall of the upper die (8). A second electric telescopic rod (10) is fixedly connected to the surface of the mounting plate (2) near the lower die (3). A U-shaped pusher plate (11) is fixedly connected to the output end of the second electric telescopic rod (10). A feed plate (12) is fixedly connected to the top of the side of the lower die (3) near the collection box (5).

2. The molding die for automotive interior and exterior trim parts according to claim 1, characterized in that: The auxiliary demolding assembly includes circular grooves (13) at the four corners of the top of the lower mold plate (3). The bottom inner wall of the circular groove (13) is fixedly connected with elastic members (14). The ends of the four elastic members (14) away from the circular groove (13) are fixedly connected to the demolding template (15). The surface of the demolding template (15) is provided with a through groove (16) for the lower punch (6) to pass through.

3. The molding die for automotive interior and exterior trim parts according to claim 1, characterized in that: Anti-deviation plates (17) are fixedly connected to both sides of the feeding plate (12). The end of the anti-deviation plate (17) near the lower mold table (3) is tightly fitted to the side wall of the stripping template (15), and the end of the feeding plate (12) away from the stripping template (15) extends to the top of the collection box (5).

4. The molding die for automotive interior and exterior trim parts according to claim 1, characterized in that: The bottom inner wall of the collection box (5) is fitted with an elastic rubber pad (18).

5. The molding die for automotive interior and exterior trim parts according to claim 1, characterized in that: The mounting plate (2), lower mold platform (3), L-shaped plate (4) and collection box (5) are all fixedly connected to the outside of the base (1), and the lower mold platform (3) is set on both sides of the mounting plate (2) and the collection box (5).