Wafer storage box special-shaped sealing ring production mold

Abstract

The utility model relates to mould technical field discloses a special-shaped sealing ring production mould of wafer storage box, the production mould includes lower mould, is equipped with upper mould on the lower mould, and the one side of upper mould is close to lower mould and is provided with middle mould, be equipped with rectangular groove on the lower mould, and the middle mould is in line with in the rectangular groove, and the ring forming area is formed between middle mould, rectangular groove and upper mould, is used for special-shaped sealing ring forming, be equipped with exhaust groove on the upper mould, is equipped with a plurality of exhaust holes in exhaust groove, fixedly be equipped with connecting bolt in the exhaust hole, and connecting bolt passes through exhaust hole and is connected with middle mould, the utility model discloses a special-shaped sealing ring production mould of wafer storage box, wherein for the production of special-shaped sealing ring, adopts three layer mould structure, through the mould of middle mould and lower mould, completes forming, forms the special-shaped structure that wants in sealing ring inboard, and then opens the mould, through the mould of middle mould, takes out the product from the lower mould, satisfies product nondestructive taking out requirement, reduces mould processing cost, also promoted product vulcanization yield.

Description

Technical Field

[0001] This utility model relates to the field of mold technology, specifically a mold for producing irregularly shaped sealing rings for wafer storage boxes. Background Technology

[0002] Sealing rings are used in various fields to seal gaps in the connections of critical pipes and components.

[0003] In the prior art, such as the application with application number CN201620425431.7, the title is: A sealing ring forming mold, which includes a matching upper mold, a lower mold and a mold core. The mold core is detachably set in the lower mold. The outer wall of the mold core and the inner wall of the lower mold form a forming cavity. The upper mold is provided with a forming part that matches the forming cavity. The forming cavity is provided with a sliding block that matches the forming part. The bottom end of the sliding block is provided with an air chamber. The bottom end of the lower mold is provided with an air hole that communicates with the air chamber.

[0004] However, the existing sealing ring production molds can only form ordinary round sealing rings. For structures with large undercut shapes and double templates, it is difficult to meet the processing requirements. Therefore, it is necessary to design a production mold for irregular sealing rings. Utility Model Content

[0005] The purpose of this invention is to provide a mold for producing irregularly shaped sealing rings for wafer storage boxes, so as to solve the problems in the prior art.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] This relates to the field of mold technology, specifically a mold for producing irregularly shaped sealing rings for wafer storage boxes. The mold includes a lower mold, an upper mold mounted on the lower mold, and a middle mold mounted on the side of the upper mold closest to the lower mold.

[0008] The lower mold has a rectangular groove, the middle mold fits into the rectangular groove, and the middle mold, the rectangular groove and the upper mold form an annular forming area for forming irregular sealing rings.

[0009] Furthermore, the upper mold is provided with an exhaust groove, and the exhaust groove is provided with a plurality of exhaust holes.

[0010] Furthermore, a vacuum hood is provided on the exhaust port and exhaust groove.

[0011] Furthermore, two positioning frames are fixedly installed inside the rectangular groove. A positioning claw is fixedly installed on one side of the positioning frame, and a side plate one and a side plate two are fixedly installed on the other side. The side plate one on one positioning frame is in contact with the side plate two on the other positioning frame.

[0012] Furthermore, two positioning grooves are provided below the middle mold, and the positioning grooves cooperate with the positioning claws.

[0013] Furthermore, both side plate one and side plate two are provided with grooves, and screws are provided in the grooves. The screws pass through the grooves and are connected to the lower mold.

[0014] The beneficial effects of this utility model are:

[0015] 1. The present invention relates to a mold for producing irregularly shaped sealing rings for wafer storage boxes. The production of irregularly shaped sealing rings adopts a three-layer mold structure. The middle mold and the lower mold are closed to complete the molding process, forming the desired irregular structure on the inner side of the sealing ring. When the mold is opened, the middle mold is separated to remove the product from the lower mold.

[0016] 2. The irregular-shaped sealing ring production mold of the wafer storage box of this utility model meets the requirements of non-destructive product removal, reduces mold processing costs, and improves the product vulcanization yield. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the structure of the production mold of this utility model;

[0019] Figure 2 This is a cross-sectional structural diagram of the production mold of this utility model;

[0020] Figure 3 This is a utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0021] Figure 4 This is a schematic diagram of the lower mold of this utility model;

[0022] Figure 5 This is a utility model Figure 4 Enlarged structural diagram at point B.

[0023] The annotations in the attached figures are explained as follows:

[0024] 1. Lower mold; 2. Upper mold; 3. Middle mold; 5. Positioning bracket; 21. Venting groove; 22. Venting hole; 51. Side plate one; 52. Side plate two; 53. Positioning claw; 54. Groove; 55. Screw. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] A mold for producing irregularly shaped sealing rings for wafer storage boxes, such as Figures 1-5 As shown, the production mold includes a lower mold 1, and an upper mold 2 is provided on the lower mold 1. The upper mold 2 and the lower mold 1 are closed to provide a forming space for the irregular sealing ring.

[0027] The upper mold 2 is provided with an exhaust groove 21, and the exhaust groove 21 is provided with several exhaust holes 22. A middle mold 3 is provided on the side of the upper mold 2 near the lower mold 1. A vacuum cover is provided on the exhaust holes 22 and the exhaust groove 21. After the mold is installed, the vacuum cover is evacuated to form a negative pressure, which causes the gas inside the mold to be discharged.

[0028] A rectangular groove is provided on the lower mold 1, and the middle mold 3 fits into the rectangular groove. An annular forming area is formed between the middle mold 3, the rectangular groove and the upper mold 2 for forming irregular sealing rings.

[0029] Two positioning frames 5 are fixedly installed in a rectangular groove. A positioning claw 53 is fixedly installed on one side of the positioning frame 5, and a side plate 1 51 and a side plate 2 52 are fixedly installed on the other side. The side plate 1 51 on one positioning frame 5 is in contact with the side plate 2 52 on the other positioning frame 5. The two positioning frames 5 are moved to adjust the distance between the two positioning claws 53.

[0030] Two positioning grooves are provided on the bottom of the middle mold 3. The positioning grooves cooperate with the positioning claw 53 to position the middle mold 3 during mold closing, thereby improving the accuracy of mold closing.

[0031] Both side plate 1 51 and side plate 2 52 are provided with grooves 54, and screws 55 are provided in the grooves 54. The screws 55 pass through the grooves 54 on side plate 1 51 and side plate 2 52 and connect to the lower mold 1 to fix the two positioning frames 5.

[0032] When using the vulcanizing machine, after installing the mold, preheat it fully; open the upper mold 2, put in the middle mold 3, and evenly place the rubber material into the cavity; then lower the operating platform to the upper mold 2; operate the vulcanizing equipment to adjust the temperature and pressure parameters, and wait for the vulcanization to be completed in one pass; after the vulcanization is completed, open the upper mold 2 and the vulcanized product can be completely removed.

[0033] The molding die forms an irregularly shaped sealing ring through a three-layer structure. The three-layer structure of the die maintains a stable molding environment, making the molding process safe and reliable.

[0034] Furthermore, the positioning claw 53 positions the middle mold 3, ensuring its accurate position after mold closing and guaranteeing the precision of the forming area in the mold, thereby improving the thickness of the irregular sealing ring.

[0035] The molded irregular-shaped sealing rings have a uniform diameter, preventing product deformation and other issues, making them suitable for use in wafer storage boxes.

[0036] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A mold for producing irregularly shaped sealing rings for wafer storage boxes, characterized in that, The production mold includes a lower mold (1), an upper mold (2) is provided on the lower mold (1), and a middle mold (3) is provided on the side of the upper mold (2) near the lower mold (1). The lower mold (1) is provided with a rectangular groove, and the middle mold (3) fits into the rectangular groove. The middle mold (3), the rectangular groove and the upper mold (2) form an annular forming area for forming irregular sealing rings. Two positioning frames (5) are fixedly installed in the rectangular groove. A positioning claw (53) is fixedly installed on one side of the positioning frame (5), and a side plate one (51) and a side plate two (52) are fixedly installed on the other side. The side plate one (51) on one positioning frame (5) is in contact with the side plate two (52) on the other positioning frame (5).

2. The die for producing the irregularly shaped sealing ring of the wafer storage box according to claim 1, characterized in that, The upper mold (2) is provided with an exhaust groove (21), and the exhaust groove (21) is provided with a number of exhaust holes (22).

3. The die for producing the irregularly shaped sealing ring of the wafer storage box according to claim 2, characterized in that, Vacuum covers are provided on the exhaust port (22) and exhaust groove (21).

4. The die for producing the irregularly shaped sealing ring of the wafer storage box according to claim 1, characterized in that, The middle mold (3) has two positioning grooves at its bottom, which cooperate with the positioning claw (53).

5. The die for producing the irregularly shaped sealing ring of the wafer storage box according to claim 1, characterized in that, Both side plate one (51) and side plate two (52) are provided with grooves (54), and screws (55) are provided in the grooves (54). The screws (55) pass through the grooves (54) and are connected to the lower mold (1).

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