Rubber skeleton oil seal press injection vulcanization forming device

Abstract

A kind of rubber skeleton oil seal press injection vulcanization forming device, including skeleton, lower mould and middle mould, the skeleton is movably arranged in the inside of lower mould, the top of lower mould is movably connected with middle mould, the top of lower mould is equipped with vulcanization bed on both sides, the inside of vulcanization bed is equipped with two middle mould material cavities, first rubber is arranged in the inside of one side of two middle mould material cavities, second rubber is arranged in the inside of the other side of middle mould material cavity.This rubber skeleton oil seal press injection vulcanization forming device, first rubber and second rubber are placed into middle mould material cavity, first rubber and second rubber are press injected by upper mould, according to the vulcanization temperature and time of conventional rubber, advanced vulcanization machine bed is used, special precision mould design, PTFE and rubber are formed by one-time vulcanization, early oil seal vulcanization process requirement is same, quality is stable, product reduces one-time vulcanization process, work efficiency is improved, vulcanization cost is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber skeleton oil seal pressure injection technical field especially relates to a kind of rubber skeleton oil seal pressure injection vulcanization forming device. BACKGROUND

[0002] Vulcanization mould is a kind of mould necessary in rubber product production, mainly used for the shaping and vulcanization process of rubber material, in rubber product production, vulcanization mould plays a vital role, ensure the shape stability and performance of rubber product, vulcanization mould is the tool for shaping and vulcanization in rubber product production, it is shaped by pre-rubber product, then by waxing and vulcanization process, finally get vulcanization foamed rubber product.

[0003] For example, the authorized announcement number CN219522891U is for the vulcanization forming device of skeleton oil seal, the push mechanism of lower mould bottom pushes the rubber material in flow-through cavity upwards, so that skeleton oil seal is more easily separated from lower mould, and the rubber material in flow-through cavity does not belong to the structure of skeleton oil seal itself, i.e. damage can not be caused in push process and can not affect the quality of skeleton oil seal.

[0004] However, the vulcanization forming device for skeleton oil seal in the above still has some problems when using, for example, the vulcanization forming device for skeleton oil seal in the above, the existing vulcanization mould is difficult to achieve that rubber does not adhere to the surface of PTFE lip when PTFE and rubber are vulcanized, completely not adhering needs precision mould and controls rubber weight, secondary vulcanization efficiency is low, production cost is high, pollution in turnover process, PTFE and rubber bonding problem, quality control is difficult. SUMMARY

[0005] The utility model solves the above-mentioned prior art problems, provides a kind of rubber skeleton oil seal pressure injection vulcanization forming device, can adopt advanced vulcanization machine tool, special precision mould design, to realize the one-time vulcanization forming action and effect of PTFE and rubber.

[0006] The utility model solves the technical scheme that its technical problem adopts:

[0007] Design a kind of rubber skeleton oil seal pressure injection vulcanization forming device, including skeleton, lower mould and middle mould, the skeleton is movably arranged at the inboard of lower mould, the top of lower mould is movably connected with middle mould, the top of lower mould is equipped with vulcanization bed on both sides, two middle mould material cavities are arranged in the inboard of vulcanization bed, first rubber material is arranged in the inside of one side of two middle mould material cavities, second rubber material is arranged in the inside of the other side of middle mould material cavity.

[0008] Further improvement, the outside of the skeleton is equipped with forming rubber material, and the sidewall of the forming rubber material is movably connected with PTFE structure.

[0009] Further improvement, the lower end of the fluidized bed and the lower mold are movably connected with a connecting layer.

[0010] Further improvement, the bottom end of the two middle mold material cavities is fixedly provided with through holes, the lower end of the two through holes is provided with a drainage groove, and the bottom end of the two drainage grooves is communicated with the formed rubber material.

[0011] Further improvement, the inner side of the formed rubber material is movably connected with a positioning shaft.

[0012] The utility model has the beneficial effect that the utility model, first glue and second glue are put into the inside two sides of middle mold material cavity respectively, through advanced vulcanization machine tool, precise compound mold design, cut two kinds of glue size, put the skeleton into the lower mold, put first glue and second glue into the middle mold material cavity, through the upper mold to first glue and second glue are pressed and are injected, according to the vulcanization temperature and time of conventional rubber, adopt advanced vulcanization machine tool, special precise mold design, can realize the one-time vulcanization forming of PTFE and rubber, the same as the early oil seal vulcanization process requirement, quality is stable, product reduces one-time vulcanization process, work efficiency is improved, greatly reduces the vulcanization cost. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the product vulcanization after cutting view structure schematic view of the utility model for one-time vulcanization complete mold;

[0014] Figure 2 It is the product vulcanization after cutting view structure schematic view of the utility model for one-time vulcanization complete mold; Figure 1

[0015] Figure 3 It is the product vulcanization after cutting view structure schematic view of the utility model for one-time vulcanization complete mold; Figure 1

[0016] Figure 4 It is the product vulcanization after cutting view structure schematic view of the utility model for one-time vulcanization complete mold; Figure 1

[0017] Reference signs in the drawing: 1, first glue, 2, second glue, 3, skeleton, 4, PTFE structure, 5, vulcanization bed, 6, lower mold, 7, through hole, 8, drainage groove, 9, formed rubber material, 10, positioning shaft, 11, middle mold, 12, middle mold material cavity, 13, connecting layer. DETAILED DESCRIPTION

[0018] The utility model will be further described in connection with the drawings:

[0019] Example 1:

[0020] Refer to the drawings Figures 1-4 ​​​The rubber framework oil seal press injection vulcanization forming device in the embodiment comprises a framework 3, a lower mold 6 and a middle mold 11, the framework 3 is movably arranged on the inner side of the lower mold 6, the top end of the lower mold 6 is movably connected with the middle mold 11, the top end of the lower mold 6 is provided with vulcanization beds 5 on both sides, two middle mold material cavities 12 are formed in the inner sides of the vulcanization beds 5, a first rubber material 1 is arranged in one side of the two middle mold material cavities 12, and a second rubber material 2 is arranged in the other side of the two middle mold material cavities 12.

[0021] By means of the advanced vulcanization machine bed, the precise composite mold design, the cutting of the sizes of the two rubber materials, the placement of the framework 3 into the lower mold 6, the placement of the first rubber material 1 and the second rubber material 2 into the middle mold material cavities 12, the press injection of the first rubber material 1 and the second rubber material 2 by the upper mold, the vulcanization according to the conventional rubber vulcanization temperature and time, the adoption of the advanced vulcanization machine bed and the special precise mold design, the one-time vulcanization forming of the PTFE and the rubber can be realized, the early oil seal vulcanization process requirements are the same, the quality is stable, the product reduces one vulcanization process, the work efficiency is improved, and the vulcanization cost is greatly reduced.

[0022] The outer side of the framework 3 is provided with a shaped rubber material 9, the PTFE structure 4 is movably connected below the side wall of the shaped rubber material 9, and the connecting layer 13 is movably connected between the lower end of the vulcanization bed 5 and the lower mold 6.

[0023] The bottom end of the two middle mold material cavities 12 is fixedly provided with through holes 7, the through holes 7 are used for extruding the vulcanization and heating melted rubber material into the drainage grooves 8, the drainage grooves 8 are used for conveying the rubber material into the lower mold for one-time forming, the lower end of the two through holes 7 is provided with the drainage grooves 8, the bottom end of the two drainage grooves 8 is communicated with the shaped rubber material 9, and the inner side of the shaped rubber material 9 is movably connected with the positioning shaft 10.

[0024] Working principle:

[0025] The rubber framework oil seal press injection vulcanization forming device is used for the rubber framework oil seal with the PTFE lip and the rubber framework oil seal, and the vulcanization mold is required to be free of the rubber on the PTFE lip surface, so that the problems of the rubber on the PTFE lip surface and the bonding of the PTFE and the rubber in the vulcanization are solved.

[0026] The first glue 1 and the second glue 2 are respectively placed into the inside two sides of the middle mold cavity 12, through advanced vulcanization machine bed, precise composite mold design, cutting the size of the two glues, the skeleton 3 is placed into the lower mold 6, the first glue 1 and the second glue 2 are placed into the middle mold cavity 12, and the first glue 1 and the second glue 2 are pressed and injected through the upper mold, and the conventional rubber vulcanization temperature and time are used for vulcanization, advanced vulcanization machine bed and special precise mold design are used, so that the one-time vulcanization forming of PTFE and rubber is realized, the same early oil seal vulcanization process requirement is met, the quality is stable, the product reduces one-time vulcanization process, the work efficiency is improved, and the vulcanization cost is greatly reduced.

[0027] Although the utility model has carried out illustration and description through reference preferred embodiment, but, the professional ordinary skilled person should understand, can make various various changes in form and detail in the scope of claims.

Claims

1. A rubber skeleton oil seal injection vulcanization molding device, comprising a skeleton (3), a lower mold (6) and a middle mold (11), wherein the skeleton (3) is movably disposed inside the lower mold (6), and the top of the lower mold (6) is movably connected to the middle mold (11), characterized in that: The top end of the lower mold (6) is provided with vulcanization beds (5), the inner side of the vulcanization bed (5) is provided with two middle mold material cavities (12), one side of the two middle mold material cavities (12) is internally provided with first rubber (1), and the other side of the middle mold material cavity (12) is internally provided with second rubber (2).

2. The rubber skeleton oil seal press molding device according to claim 1, characterized by: The outer side of the framework (3) is provided with a shaped rubber (9), and the lower side of the side wall of the shaped rubber (9) is movably connected with a PTFE structure (4).

3. The rubber skeleton oil seal press molding device according to claim 1, characterized by: The lower end of the vulcanization bed (5) is movably connected with the lower mold (6).

4. The rubber skeleton oil seal press molding device according to claim 1, characterized by: The bottom end of the two middle mold material cavities (12) is fixedly provided with through holes (7), the lower end of the two through holes (7) is provided with drainage grooves (8), and the bottom end of the two drainage grooves (8) is communicated with the shaped rubber (9).

5. The rubber skeleton oil seal press molding device according to claim 2, characterized by: The inner side of the shaped rubber (9) is movably connected with a positioning shaft (10).

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