A top and bottom shell injection mold for a folding hamper

Abstract

The utility model relates to a folding dirty clothes basket's upper and lower shell injection mold belongs to injection mold technical field. Including the top plate, fixed mold plate, movable mold plate and foot plate that arrange in proper order, be equipped with the first forming cavity and the second forming cavity that do not communicate each other between fixed mold plate and movable mold plate, the first forming cavity inside is equipped with the upper shell body of cooling forming, the second forming cavity inside is equipped with the lower shell body of cooling forming, the width of second forming cavity is less than the first forming cavity, the top of first forming cavity is equipped with the annular top cavity that links and communicates, and the top cavity inside is equipped with the handle that is integrally connected with the upper shell body, in this scheme, the first forming cavity and the second forming cavity are independently opened in the mold, can after one clamping, the upper shell body and lower shell body are manufactured simultaneously, improve the efficiency of production.

Description

Technical Field

[0001] This utility model belongs to the field of injection mold technology, and relates to an injection mold for the upper and lower shells of a folding laundry basket. Background Technology

[0002] A laundry basket is a common household item used to store soiled clothes before showering, making it convenient to take them to the washing machine. Since laundry baskets are typically made of plastic, they can be manufactured using injection molding. In the injection molding process, the plastic raw material is first heated to a molten state and then injected into the molding cavity. Once the cavity is full, the mold is rapidly cooled, and the molten plastic material solidifies, forming the desired laundry basket. Using injection molding to produce plastic products offers advantages such as high precision and high efficiency.

[0003] To make laundry baskets easy to store when not in use, they can be designed to be foldable to reduce the space they occupy when folded. Therefore, the internal structure of the injection mold needs to be improved during the production of laundry baskets so that the injection mold can produce the required product structure. Summary of the Invention

[0004] The purpose of this invention is to address the problems existing in the current technology by proposing an injection mold for the upper and lower shells of a folding laundry basket. The technical problem to be solved by this invention is: how to optimize the internal structure of the injection mold so that the mold can produce a folding laundry basket.

[0005] The purpose of this utility model can be achieved through the following technical solution: A folding laundry basket upper and lower shell injection mold, including a top plate, a fixed template, a moving template and a foot plate arranged in sequence. The fixed template and the moving template are provided with a first molding cavity and a second molding cavity that are not interconnected. The first molding cavity is provided with a cooled and formed upper shell, and the second molding cavity is provided with a cooled and formed lower shell. The width of the second molding cavity is smaller than that of the first molding cavity. The top of the first molding cavity is provided with a connected annular top cavity, and the top cavity is provided with a handle integrally connected to the upper shell.

[0006] In this design, the folding laundry basket is structured into two parts: an upper shell and a lower shell, which are manufactured separately. Molten plastic is injected into the first and second molding cavities, respectively. The upper shell structure cools and forms in the first molding cavity, while the lower shell structure cools and forms in the second molding cavity. After the cooled and formed upper and lower shells are removed from the mold, they are joined together with soft adhesive to form a complete laundry basket product. Because the width of the second molding cavity is smaller than that of the first molding cavity, the width of the formed lower shell is also smaller than that of the upper shell, allowing the lower shell to fold and be inserted into the upper shell, thus achieving the folding function. Furthermore, the independent first and second molding cavities within the mold allow for the simultaneous manufacture of the upper and lower shells in a single mold closing operation, improving production efficiency.

[0007] In the aforementioned injection mold for the upper and lower shells of the folding laundry basket, the top of the moving mold plate is provided with a sliding block. Two identical molding parts are located on the side of the sliding block near the molding cavity. These molding parts can enclose the bottom surface of the fixed mold plate to form a bottom cavity, which is connected to the first molding cavity. Inside the bottom cavity is a support seat integrally connected to the upper shell. The sliding block is driven by a cylinder located on the outside of the mold. During injection molding, the outer wall of the molding part forms the inner wall of the bottom cavity. Cooling occurs between the molding part and the fixed mold plate, forming the support seat structure. After the fixed mold plate separates from the moving mold plate, the cylinder pulls the sliding block outwards, causing the molding part to be extracted from the inside of the support seat, preventing interference during demolding.

[0008] In the injection mold of the upper and lower shells of the aforementioned folding laundry basket, the support bases are respectively located on both sides of the bottom of the upper shell. The support bases have a hollow structure inside, and the bottom of the lower shell is provided with an integrally connected support plate. The support plate is cooled and formed inside the second molding cavity. The support bases and support plates work together to enable the folding laundry basket to stand stably on the ground.

[0009] In the injection molds for the upper and lower shells of the aforementioned folding laundry basket, the top of the moving mold plate is provided with molding patterns, which are respectively located at the bottom of the first molding cavity and the second molding cavity. Stripes corresponding to the molding patterns can be formed on the upper and lower shells, enhancing the aesthetics of the folding laundry basket.

[0010] In the upper and lower shell injection mold of the aforementioned folding laundry basket, the top plate is provided with a feed inlet, and the interior of the top plate is provided with a flow divider plate connected to the feed inlet. The bottom of the flow divider plate is provided with several connected nozzles, which are respectively connected to the first molding cavity and the second molding cavity. Molten plastic heated to a molten state is injected from the feed inlet, and after being diverted by the flow divider plate at the bottom, flows into the nozzles at the bottom, so that the molten plastic is simultaneously injected into the first molding cavity and the second molding cavity.

[0011] In the injection mold for the upper and lower shells of the aforementioned folding laundry basket, a slidingly connected push plate is provided on the inner side of the foot plate. The push plate has several fixed ejector pins, the tips of which slide through the moving template and extend to the bottom of the first and second molding cavities, respectively. During demolding, the push plate is pushed towards one side of the moving template, causing all the ejector pins to extend from the bottom of the molding cavities, thus ejecting the upper and lower shells from the mold.

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] 1. In this solution, since the width of the second molding cavity is smaller than that of the first molding cavity, the width of the molded lower shell is also smaller than that of the upper shell, which allows the lower shell to be folded and inserted into the upper shell to achieve the folding function. Furthermore, the first molding cavity and the second molding cavity are independently opened inside the mold, which allows the upper shell and the lower shell to be manufactured simultaneously after one mold closing, thereby improving production efficiency. Attached Figure Description

[0014] Figure 1 This is a frontal half-sectional view of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the internal opening structure of the moving template of this utility model;

[0016] Figure 3 This is a schematic diagram of the upper and lower shell structures of this utility model.

[0017] In the diagram, 1 is the top plate; 1a is the feed inlet; 1b is the flow divider; 1c is the nozzle; 2 is the fixed template; 3 is the moving template; 3a is the forming pattern; 4 is the foot plate; 4a is the push plate; 4b is the ejector pin; 5 is the first forming cavity; 5a is the top cavity; 5b is the bottom cavity; 6 is the second forming cavity; 7 is the slider; 7a is the forming part; 8 is the upper shell; 8a is the handle; 8b is the support base; 9 is the lower shell; 9a is the support plate. Detailed Implementation

[0018] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0019] Example

[0020] like Figure 1As shown, the upper and lower shell injection mold of the folding laundry basket includes an uppermost top plate 1. The bottom of the top plate 1 is provided with a fixed template 2, and the bottom of the fixed template 2 is provided with a slidingly connected moving template 3. The bottom of the moving template 3 is provided with a fixed foot plate 4, and the inner side of the foot plate 4 is provided with a slidingly connected push plate 4a. There are a first molding cavity 5 and a second molding cavity 6 that are not connected to each other between the fixed template 2 and the moving template 3. The top plate 1 is provided with a feed inlet 1a, and the top plate 1 is provided with a flow divider plate 1b connected to the feed inlet 1a. The bottom of the flow divider plate 1b is provided with a plurality of connected nozzles 1c. The nozzles 1c are respectively connected to the first molding cavity 5 and the second molding cavity 6. The push plate 4a is provided with a plurality of fixed ejector pins 4b. The top of the ejector pins 4b slides through the moving template 3 and extends to the bottom of the first molding cavity 5 and the second molding cavity 6 respectively.

[0021] like Figure 2 As shown, the width of the second molding cavity 6 is smaller than that of the first molding cavity 5. The top of the first molding cavity 5 is provided with a connected annular top cavity 5a. The top of the moving template 3 is provided with a sliding block 7. The side of the sliding block 7 near the molding cavity is provided with two molding parts 7a with the same structure. The molding parts 7a can be enclosed with the bottom surface of the fixed template 2 to form a bottom cavity 5b. The bottom cavity 5b is connected to the first molding cavity 5. The top of the moving template 3 is provided with molding textures 3a. The molding textures 3a are respectively provided at the bottom of the first molding cavity 5 and the second molding cavity 6.

[0022] like Figure 3 As shown, the first molding cavity 5 has a cooled and molded upper shell 8 inside. The bottom two sides of the upper shell 8 have integrally connected support seats 8b, which are cooled and molded inside the bottom cavity 5b. The top of the upper shell 8 has an integrally connected handle 8a, which is cooled and molded inside the top cavity 5a. The second molding cavity 6 has a cooled and molded lower shell 9 inside. The bottom of the lower shell 9 has an integrally connected support plate 9a, which is cooled and molded inside the second molding cavity 6.

[0023] The working principle of this solution is as follows: Figure 1-3As shown, molten plastic heated to a molten state is injected from the inlet 1a. After being diverted by the bottom flow divider 1b, it flows into the bottom nozzles 1c, so that the molten plastic is simultaneously injected into the first molding cavity 5 and the second molding cavity 6. After the first molding cavity 5 and the second molding cavity 6 are completely filled, the mold interior is rapidly cooled to allow the molten liquid to cool and solidify into the upper shell 8 and the lower shell 9. Then, the fixed template 2 is moved to separate from the moving template 3, and the slider 7 is driven to be pulled outward, so that the molding part 7a is pulled out from the inside of the support seat 8b to avoid interference during demolding. Finally, the push plate 4a is pushed to move to one side of the moving template 3. The push plate 4a drives all the ejector pins 4b to extend from the bottom of the molding cavity, pushing the upper shell 8 and the lower shell 9 out of the mold.

[0024] The structure of the folding laundry basket is divided into two parts, upper and lower shells 9, which are manufactured separately. This improves the production process. The first forming cavity 5 and the second forming cavity 6 are independently opened inside the mold. The upper shell 8 and the lower shell 9 can be manufactured simultaneously after one mold closing, which improves production efficiency. Since the width of the second forming cavity 6 is smaller than that of the first forming cavity 5, the width of the formed lower shell 9 is also smaller than that of the upper shell 8, so that the lower shell 9 can be folded and inserted into the upper shell 8, realizing the function of folding and storing the laundry basket.

[0025] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0026] Although this document frequently uses terms such as 1. top plate; 1a. feed inlet; 1b. flow divider; 1c. nozzle; 2. fixed template; 3. moving template; 3a. forming texture; 4. foot plate; 4a. push plate; 4b. ejector pin; 5. first forming cavity; 5a. top cavity; 5b. bottom cavity; 6. second forming cavity; 7. slider; 7a. forming part; 8. upper shell; 8a. handle; 8b. support base; 9. lower shell; 9a. support plate, etc., the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any kind of additional limitation would contradict the spirit of this utility model.

Claims

1. A folding laundry basket upper and lower shell injection mold, comprising a top plate (1), a fixed template (2), a movable template (3), and a foot plate (4) arranged sequentially, wherein a first molding cavity (5) and a second molding cavity (6) that are not interconnected are provided between the fixed template (2) and the movable template (3), characterized in that, The first molding cavity (5) is provided with a cooled and formed upper shell (8), the second molding cavity (6) is provided with a cooled and formed lower shell (9), the width of the second molding cavity (6) is smaller than that of the first molding cavity (5), the top of the first molding cavity (5) is provided with a connected annular top cavity (5a), and the top cavity (5a) is provided with a handle (8a) integrally connected to the upper shell (8).

2. The injection mold for the upper and lower shells of a folding laundry basket according to claim 1, characterized in that, The top of the moving template (3) is provided with a sliding block (7) that is slidably connected. The side of the sliding block (7) near the forming cavity is provided with two forming parts (7a) with the same structure. The forming parts (7a) can be enclosed with the bottom surface of the fixed template (2) to form a bottom cavity (5b). The bottom cavity (5b) is connected to the first forming cavity (5). The bottom cavity (5b) is provided with a support seat (8b) that is integrally connected with the upper shell (8).

3. The upper and lower shell injection mold for a folding laundry basket according to claim 2, characterized in that, The support base (8b) is respectively located on both sides of the bottom of the upper shell (8). The support base (8b) has a hollow structure inside. The bottom of the lower shell (9) is provided with an integrally connected support plate (9a). The support plate (9a) is cooled and formed inside the second molding cavity (6).

4. The injection mold for the upper and lower shells of a folding laundry basket according to claim 1, characterized in that, The top of the moving template (3) is provided with molding texture (3a), and the molding texture (3a) is respectively provided at the bottom of the first molding cavity (5) and the second molding cavity (6).

5. The injection mold for the upper and lower shells of a folding laundry basket according to claim 1, characterized in that, The top plate (1) is provided with a feed inlet (1a), and the top plate (1) is provided with a flow divider (1b) connected to the feed inlet (1a). The bottom of the flow divider (1b) is provided with a plurality of connected nozzles (1c). The nozzles (1c) are respectively connected to the first molding cavity (5) and the second molding cavity (6).

6. The injection mold for the upper and lower shells of a folding laundry basket according to claim 5, characterized in that, The foot plate (4) is provided with a sliding push plate (4a) on its inner side. The push plate (4a) is provided with a plurality of fixed ejector pins (4b). The top of the ejector pins (4b) slides through the moving template (3) and extends to the bottom of the first molding cavity (5) and the second molding cavity (6) respectively.

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