CN221456553U - Oil seal forming die structure convenient to take out - Google Patents

Abstract

The utility model discloses an oil seal forming die structure convenient to take out, which comprises an upper die, a middle die, a lower die and a die core, wherein an upper die insert is arranged in the upper die, the middle die insert is arranged in the middle die, a supporting boss is arranged at the bottom of the middle die insert, a cavity is formed among the upper die insert, the middle die insert and a movable top core, a glue groove is formed on the upper surface of the upper die insert in a concave manner, a movable top core is arranged at one side of the middle die insert, which is far away from the middle die, the movable top core is movably arranged in a through hole of the lower die and moves up and down in the through hole, the die core is arranged above the movable top core, the movable top core is movably arranged on the supporting boss, an ejection ring is movably arranged at the inner bottom of the upper die insert, the ejection ring is fixed on the upper die insert through a fixing screw, and a spring is arranged between the ejection ring and the fixing screw. The utility model belongs to the technical field of oil seal molds, and particularly provides an oil seal forming mold structure which can provide simple operation and is convenient to take out an oil seal product.

Description

Oil seal forming die structure convenient to take out

Technical Field

The utility model belongs to the technical field of wide-face framework oil seal molds, and particularly relates to an oil seal forming mold structure convenient to take out.

Background

The oil seal is a mechanical element for sealing grease, and isolates the parts to be lubricated in the transmission parts from the output parts, so as to prevent the leakage of lubricating oil. The oil seal has simple structure, easy manufacture and simple structure, and can be molded at one time.

The oil seal is one of common parts of mechanical products such as automobiles and the like which need lubrication, is generally used at the front end part of an automobile gearbox, has larger size and has quite different inner and outer sizes, and in addition, as the inner and outer parts of a general framework are both provided with glue, in the oil seal demoulding process, the oil seal can be stuck or stays on an upper die, so that the product is not easy to take out.

Disclosure of utility model

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the oil seal forming die structure which can provide simple operation and is convenient for taking out an oil seal product.

The technical scheme adopted by the utility model is as follows: the utility model discloses an oil seal forming die structure convenient to take out, which comprises an upper die, a middle die, a lower die and a die core, wherein the upper die, the middle die and the lower die are sequentially arranged from top to bottom, an upper die insert is arranged in the upper die, a middle die insert is arranged in the middle of the middle die, the middle die insert is arranged below the upper die insert, a supporting boss is arranged at the bottom of the middle die insert, a cavity is formed among the upper die insert, the middle die insert and a movable top core, a rubber groove is formed in the upper surface of the upper die insert in a concave manner, a rubber injection hole is formed in the center of the rubber groove, rubber flows into the cavity through the rubber injection hole, a movable top core is arranged on one side, away from the middle die, of the middle die insert, and is movably arranged in a through hole of the lower die and moves up and down in the through hole, and the die core is arranged above the movable top core, and the movable top core is movably arranged on the supporting boss.

Preferably, an ejection ring is arranged at the inner bottom of the upper die insert, and the ejection ring is arranged close to the cavity.

Further, the ejector ring is a movable body, and is fixed on the upper die insert through the fixing screw.

Further, a spring is arranged between the ejection ring and the fixed screw, the product is separated from the upper die when the upper die is lifted by utilizing the elasticity of the spring, and then the product is ejected by utilizing the movable ejection core, so that the effect of rapidly taking out the product is achieved.

The beneficial effects obtained by the utility model by adopting the structure are as follows: this scheme oil blanket forming die structure convenient to take out utilizes the elasticity of spring when lifting the mould, separates product and last mould, and the ejecting product of the activity top core of recycling plays the effect of taking out the product fast, and whole easy operation, and the product is conveniently taken out, the goods of producing through this structure has obtained the promotion in the aspect of the production stability, the production efficiency of product.

Drawings

Fig. 1 is a schematic diagram of the whole structure of an oil seal forming mold structure convenient to take out.

Wherein, 1-1, upper mould, 1-2, upper mould insert, 2-1, middle mould, 2-2, middle mould insert, 3-1, lower mould, 4-1, ejection ring, 4-2, spring, 4-3, fixed screw, 5-1, movable ejection core, 5-2, mold core. .

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, the oil seal forming die structure convenient to take out comprises an upper die 1-1, a middle die 2-1, a lower die 3-1 and a die core 5-2, wherein the upper die 1-1, the middle die 2-1 and the lower die 3-1 are sequentially arranged from top to bottom, the upper die 1-1 is internally connected with an upper die insert 1-2, the middle die 2-1 is internally connected with a middle die insert 2-2, the middle die insert 2-2 is arranged below the upper die insert 1-2, a supporting boss is arranged at the bottom of the middle die insert 2-2, a cavity is formed between the upper die insert 1-2, the middle die insert 2-2 and the movable top core 5-1, a rubber injection hole is formed in the upper surface of the upper die insert 1-2 in a concave manner, rubber flows into the cavity through the rubber injection hole, one side of the middle die insert 2-2, which is far away from the middle die 2-1, the movable top core 5-1 is arranged in the through hole of the lower die 3-1, the movable top core 5-1 is movably arranged in the through hole and moves up and down in the through hole, the movable top core 5-1 is arranged above the movable top core 5-1, and the movable top core 5-1 is movably arranged above the movable top core 5-1.

Wherein, the inner bottom of the upper mold insert 1-2 is provided with an ejection ring 4-1, the ejection ring 4-1 is arranged close to the cavity, the ejection ring 4-1 is a movable body, the ejection ring 4-1 is fixed on the upper mold insert 1-2 through a fixed screw 4-3, a spring 4-2 is arranged between the ejection ring 4-1 and the fixed screw 4-3, the product is separated from the upper mold 1-1 while the upper mold 1-1 is lifted by the elasticity of the spring 4-2, and then the movable ejection core 5-1 ejects the product until the product is taken out rapidly.

When the oil seal is specifically used, rubber is coated on the inner diameter and the outer diameter of a framework of an oil seal product, in order to ensure that the product cannot be clamped on the upper die 1-1, an ejection ring 4-1 is added in the upper die 1-1, the ejection ring 4-1 is a movable body and is fixed on the upper die 1-1 by using a fixing screw 4-3, a spring 4-2 is arranged between the ejection ring 4-1 and the fixing screw 4-3, the upper die 1-1 is lifted by using the elasticity of the spring 4-2, the product is separated from the upper die 1-1, and the movable ejection core 5-1 is used for ejecting the product.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (4)

1. The utility model provides an oil blanket forming die structure convenient to take out, includes mould, well mould, lower mould and mold core, go up mould, well mould, lower mould from the top down and set gradually, its characterized in that: the upper die is internally connected with an upper die insert, the middle die is internally connected with the middle die insert, the middle die insert is arranged below the upper die insert, a supporting boss is arranged at the bottom of the middle die insert, a cavity is formed among the upper die insert, the middle die insert and a movable top core, the upper surface of the upper die insert is sunken to form a glue groove, a glue injection hole is formed in the center of the glue groove, rubber flows into the cavity through the glue injection hole, a movable top core is arranged on one side, far away from the middle die, of the middle die insert, the movable top core is movably arranged in a through hole of the lower die and moves up and down in the through hole, the mold core is arranged above the movable top core, and the movable top core is movably arranged on the supporting boss.

2. The oil seal forming die structure convenient to take out according to claim 1, wherein: the inner bottom of the upper die insert is provided with an ejection ring, and the ejection ring is arranged close to the cavity.

3. The oil seal forming die structure convenient to take out according to claim 2, wherein: the ejection ring is a movable body and is fixed on the upper die insert through a fixed screw.

4. The oil seal forming die structure convenient to take out according to claim 3, wherein: a spring is arranged between the ejection ring and the fixed screw, the oil seal is separated from the upper die while the upper die is lifted by utilizing the elasticity of the spring, and then the movable ejection core is used for ejecting the oil seal.