Injection mold capable of achieving zero-degree mold drawing

Abstract

The utility model discloses an injection mold capable of achieving zero-degree mold drawing, and belongs to the technical field of injection molds. The forming insert is located in the mold frame, and a vertical hole and an inclined hole are formed in the forming insert; the straight ejection block is located in the vertical hole, and the upper surface of the straight ejection block is completely flush with the upper surface of the forming insert; the inclined ejector block is located in the inclined hole, and the upper surface of the inclined ejector block is completely flush with the upper surface of the forming insert; and the top of the forming insert, the top of the straight ejector block and the top of the inclined ejector block form a forming part. According to the utility model, the zero-degree draft treatment of the formed product is realized, the formed product is not required to be drawn by adopting a sliding block draft mode, the draft precision and the surface quality of the formed product can be effectively ensured, the structure is simple, and the zero-degree draft can be realized only by adding the straight ejector block and the inclined ejector block.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection mold technical field especially, it is related to an injection mold of zero degree draw. BACKGROUND

[0002] In the injection molding process of injection mold, the molded product needs to be handled by drawing, and the traditional drawing method is slide block drawing or inclined drawing. However, due to the functional or appearance requirements of some molded products, zero degree drawing is required, that is, the demolding direction is perpendicular to the parting surface of the molded product. The traditional slide block drawing or inclined drawing method is difficult to achieve zero degree drawing, which will cause the molded product to be difficult to demold, and even the surface of the molded product will be damaged.

[0003] In the prior art, more slide block structures are usually added to achieve zero degree drawing, but this method increases the complexity and manufacturing cost of the mold, and may affect the product precision and surface quality. Therefore, an injection mold capable of zero degree drawing is urgently needed to improve production efficiency and product quality. UTILITY MODEL CONTENTS

[0004] The utility model overcomes the defects of the prior art and provides an injection mold capable of zero degree drawing to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of an injection mold capable of zero degree drawing, comprising

[0006] a mold frame;

[0007] a molding insert, the molding insert is located in the mold frame, and the molding insert is provided with a vertical hole and an inclined hole;

[0008] a straight ejector, the straight ejector is located in the vertical hole, and the upper surface of the straight ejector is flush with the upper surface of the molding insert;

[0009] an inclined ejector, the inclined ejector is located in the inclined hole, and the upper surface of the inclined ejector is flush with the upper surface of the molding insert;

[0010] the top of the molding insert, the top of the straight ejector and the top of the inclined ejector form a molding part.

[0011] In a preferred embodiment of the utility model, the mold frame comprises an upper mold plate, an upper mold block, a lower mold block, a support block and a lower mold plate arranged in sequence from top to bottom, and the support block is connected with the lower mold plate through a cushion block.

[0012] The upper die block is internally provided with an upper die core, the lower die block is internally provided with a lower die core, the upper die core, the lower die core and the forming part form a product cavity.

[0013] In a preferred embodiment of the utility model, the lower die plate is provided with a top plate, one end of the straight top block and the inclined top block is fixed on the top plate, when the top plate is lifted, the straight top block and the inclined top block eject the formed product from the product cavity.

[0014] In a preferred embodiment of the utility model, the injection flow channel is further included, which injects material into the product cavity.

[0015] In a preferred embodiment of the utility model, the number of vertical holes is two and is respectively located at both ends of the forming insert, the number of inclined holes is two groups and is respectively located at both sides of the forming insert.

[0016] The utility model solves the defects in the background art, and has the following beneficial effects:

[0017] The injection mold realizes the zero-degree ejection of the formed product, does not need to adopt the slide block ejection mode to eject the formed product, can effectively guarantee the ejection precision of the formed product and the surface quality of the formed product, and has the simple structure, and only needs to increase the straight top block and the inclined top block to realize the zero-degree ejection, so that the manufacturing cost of the mold is lower, and the practicality is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model is further illustrated below in connection with the drawings and embodiments;

[0019] Figure 1 It is whole structure schematic diagram of preferred embodiment of the utility model;

[0020] Figure 2 It is sectional view of preferred embodiment of the utility model;

[0021] Figure 3 It is local structure schematic diagram of preferred embodiment of the utility model;

[0022] Figure 4 It is structure schematic diagram of forming insert of preferred embodiment of the utility model;

[0023] In the drawing: 10, die frame; 11, upper die plate; 12, upper die block; 13, lower die block; 14, support block; 15, lower die plate; 20, forming insert; 21, vertical hole; 22, inclined hole; 30, straight top block; 40, inclined top block; 50, forming part; 60, pad block; 70, top plate; 80, upper die core; 90, lower die core; 100, injection flow channel. DETAILED DESCRIPTION

[0024] The embodiments of the present application will be described herein below with reference to drawings. Many details of the embodiments will be described herein below in conjunction with the drawings. It should be understood, however, that these details are not intended to limit the present application. That is, in some embodiments of the present application, these details are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be shown in the drawings in a simplified schematic manner.

[0025] In addition, the descriptions such as "first", "second", etc. in the present application are only for the purpose of description, and do not mean to particularly indicate the order or sequence, nor to limit the present application. They are merely used to distinguish components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implying the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor is it within the protection scope required by the present application.

[0026] The present embodiment provides an injection mold capable of zero-degree ejection, which realizes zero-degree ejection processing of the molded product, does not need to use the slide block ejection mode to eject the molded product, can effectively ensure the ejection precision of the molded product and the surface quality of the molded product, and has a simple structure, which only needs to add the straight ejector block 30 and the inclined ejector block 40 to realize zero-degree ejection. Therefore, the manufacturing cost of the mold is lower, and the practicality is stronger.

[0027] In combination with Figures 1 to 4 As shown in the drawings, the injection mold capable of zero-degree ejection of the present embodiment includes a mold frame 10, a molding insert 20, a straight ejector block 30, and an inclined ejector block 40. The top of the molding insert 20, the top of the straight ejector block 30, and the top of the inclined ejector block 40 form a molding part 50, so as to perform product injection molding.

[0028] In the present embodiment, the mold frame 10 includes an upper mold plate 11, an upper mold block 12, a lower mold block 13, a support block 14, and a lower mold plate 15 arranged in sequence from top to bottom. The support block 14 is connected with the lower mold plate 15 through a pad block 60. The upper mold block 12 is provided with an upper mold core 80, and the lower mold block 13 is provided with a lower mold core 90. The upper mold core 80, the lower mold core 90, and the molding part 50 form a product cavity.

[0029] Further, the injection mold of the embodiment further comprises an injection runner 100, which injects the material into the product cavity, and the product cavity of the embodiment is two, and the molten material is introduced into the two product cavities through the injection runner 100 to perform product forming operation.

[0030] In combination Figures 2 to 4 As shown in the drawings, the forming insert 20 of the embodiment is located in the mold frame 10, and the forming insert 20 is provided with a vertical hole 21 and an inclined hole 22, the straight top block 30 is located in the vertical hole 21, and the upper surface of the straight top block 30 is completely flush with the upper surface of the forming insert 20, and the inclined top block 40 is located in the inclined hole 22, and the upper surface of the inclined top block 40 is completely flush with the upper surface of the forming insert 20, the forming insert 20, the straight top block 30 and the inclined top block 40 of the embodiment form a forming part 50, and the upper surface of the forming insert 20, the upper surface of the straight top block 30 and the upper surface of the inclined top block 40 are completely flush, so as not to affect the forming precision of the product, after the product is injection molded, the straight top block 30 and the inclined top block 40 move upward to eject the formed product, without using a sliding block for ejection processing, realizing zero-degree ejection of the formed product, and ensuring the forming precision of the product.

[0031] In the embodiment, the number of vertical holes 21 is two and located at both ends of the forming insert 20, the number of inclined holes 22 is two groups and located at both sides of the forming insert 20, each vertical hole 21 is provided with a straight top block 30, and each inclined hole 22 is provided with an inclined top block 40, so that the product can be ejected from multiple positions to improve the ejection precision of the product and avoid damage to the formed product during ejection.

[0032] Further, the lower mold plate 15 of the embodiment is provided with a top plate 70, one end of the straight top block 30 and the inclined top block 40 is fixed on the top plate 70, when the top plate 70 is lifted, the straight top block 30 and the inclined top block 40 eject the formed product from the product cavity, after the injection mold is opened, the top plate 70 is reset under the action of the compression spring, and the top plate 70 lifts the straight top block 30 and the inclined top block 40, thereby lifting the formed product to complete the ejection processing of the formed product.

[0033] In actual use, the injection mold of the embodiment introduces the molten material into the product cavity through the injection runner 100, opens the mold after the product is formed, lifts the straight top block 30 and the inclined top block 40 through the top plate 70 after the mold is opened, and the straight top block 30 and the inclined top block 40 lift the formed product to make it separate from the forming insert 20, complete the ejection processing of the formed product, and the ejection method does not need to use a sliding block for ejection, realizes zero-degree ejection of the formed product, effectively avoids the complication of the mold structure, and reduces the manufacturing cost of the mold.

[0034] While the present application has been described with reference to various embodiments, it will be understood that many modifications and variations of the present application are possible, as they will occur to those skilled in the art in the scope of the application. That is, the methods, systems, or devices discussed above are examples. It is contemplated that various configurations can be made without parting from the scope of the application. For example, the method can be performed in a different order or the various stages can be combined or omitted. Also, features described with respect to certain configurations can be combined in a variety of other configurations. Different aspects and elements of configurations can be combined in similar ways. Also, a person of ordinary skill in the art will appreciate that many of the elements described above are typically implemented as instructions or code stored on a computer-readable medium, and executed by a processor. Also, not all of the activities or elements described above are required, which can be dependent on the context in which the application is deployed. In general, the description or disclosure of a process, structure, material, or technique is understood for that process, structure, material or technique being disclosed, and the candidate replacement of that process, structure, material or technique are implied. Moreover, it is understood that the features of the depending claims are a supplement to, and not a substitute for, the corresponding features of the independent claims.

[0035] In the description specific details are set forth in order to provide a thorough understanding of the exemplary configurations including implementations. However, configurations can be practiced without these specific details, e.g., an example has been shown without unnecessary details in order to avoid obscuring configurations. The description only provides example configurations and is not intended to limit the scope, applicability or configurations of claims. Instead, the foregoing description of the configurations will provide those skilled in the art with an enabling description of the described technology. Various modifications can be made to the function and arrangement of elements without departing from the spirit or scope of the disclosure.

[0036] Moreover, although each of the operations can be described as a sequential process, many of the operations can occur in parallel, or concurrently. In addition, the order of the operations can be rearranged. A process might have other steps not discussed herein. Further, examples of the methods can be implemented by hardware, software, firmware, middleware, code, hardware description languages, or any combination thereof. When implemented in software, the program code, or code segments, for performing the necessary tasks can be stored in a non-transitory computer-readable medium such as a storage medium. A processor can execute the described tasks from the storage medium.

[0037] In view of the above, it will be seen that the details set forth in the above description of the application are considered as illustrative only of the present application and not restrictive in any manner. It is therefore intended to cover any modifications and variations of this application that would be apparent to those skilled in the art, it being realized that within the scope of the application, substantially equivalent methods can be utilized in which equivalent structures are employed in place of or in conjunction with the structures disclosed. It should be understood that they have been given by way of example only and are not exhaustive of every possible configuration they have been presented by way of example only and they are not exhaustive of every possible configuration that can be made within the scope of the application. Accordingly, the scope of the application is to be construed in accordance with the patent claims submitted herewith.

Claims

1. An injection mold capable of zero draft, characterized in that, Comprising a mold frame (10); a forming insert (20) located in the mold frame (10), the forming insert (20) being provided with vertical holes (21) and inclined holes (22); a straight ejector block (30) located in the vertical hole (21), and the upper surface of the straight ejector block (30) is flush with the upper surface of the forming insert (20); an inclined ejector block (40) located in the inclined hole (22), and the upper surface of the inclined ejector block (40) is flush with the upper surface of the forming insert (20); the top of the forming insert (20), the top of the straight ejector block (30) and the top of the inclined ejector block (40) form a forming part (50).

2. A zero draft capable injection mold in accordance with claim 1, wherein, The mold frame (10) comprises an upper mold plate (11), an upper mold block (12), a lower mold block (13), a support block (14) and a lower mold plate (15) arranged in order from top to bottom, and the support block (14) is connected with the lower mold plate (15) through a cushion block (60).

3. A zero draft capable injection mold in accordance with claim 2, wherein, An upper mold core (80) is arranged in the upper mold block (12), a lower mold core (90) is arranged in the lower mold block (13), and the upper mold core (80), the lower mold core (90) and the forming part (50) form a product cavity.

4. A zero draft capable injection mold in accordance with claim 3, wherein, A top plate (70) is arranged on the lower mold plate (15), one end of the straight ejector block (30) and the inclined ejector block (40) is fixed on the top plate (70), when the top plate (70) is lifted, the straight ejector block (30) and the inclined ejector block (40) will eject the formed product from the product cavity.

5. A zero draft capable injection mold in accordance with claim 4 wherein, It also comprises an injection runner (100) for injecting material into the product cavity.

6. A zero draft capable injection mold in accordance with claim 1, wherein, The number of vertical holes (21) is two and they are located at both ends of the forming insert (20), and the number of inclined holes (22) is two groups and they are located at both sides of the forming insert (20).

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