CN210651679U - Cover body injection mold - Google Patents

Abstract

The utility model discloses a cover body injection mold, including possessing the relative first die holder and the second die holder that opens and shuts the displacement, wherein, be equipped with a plurality of model cavities on the first die holder, be equipped with in the arbitrary model cavity and be used for the fashioned tangent plane type portion of tangent plane portion, be equipped with in the tangent plane type portion and be used for a plurality of muscle body type grooves of muscle body shaping, be equipped with a plurality of model pieces with model cavity one-to-one on the second die holder, be equipped with in the model piece with tangent plane type portion matched with model face, be equipped with the protruding muscle body that sets up with muscle body type groove one-to-one on the. The utility model discloses can realize the injection moulding of the specific cover body, satisfy the shaping requirement of tangent plane portion and muscle body. The design of the floating elastic mechanism is adopted, so that the pressure adjustment during injection molding of the molding die cavity is realized, the wall thickness stability of the cover body is ensured, and the molding precision of the cover body is higher. Still possess the shaping of measurement sign, satisfy the carrier measurement demand of the cover body.

Description

Cover body injection mold

Technical Field

The utility model relates to a cover body injection mold belongs to injection mold's technical field.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

There is a specific mask body in the prior art, which is a transparent structure, and the outer wall of the mask body is provided with a cut surface portion, and the cut surface portion is provided with a plurality of ribs for increasing friction force.

The shaping of this tangent plane portion and muscle body can't be realized to cover body mould traditionally, and in addition, the compound die operation of traditional mould is hard spacing, and there is certain error in the wall thickness of the cover body, influences the shaping precision of the cover body.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the not enough of above-mentioned prior art, can't realize cover body injection moulding's problem in the present case to traditional injection mould, provide a cover body injection mould.

In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:

an injection mold for a cover body is characterized in that the outer wall of the cover body is provided with a cut surface part, the cut surface part is provided with a plurality of ribs for increasing friction force and comprises a first mold base and a second mold base which are relatively opened and closed and displaced,

wherein, a plurality of model cavities are arranged on the first die holder, a section part for molding the section part is arranged in any model cavity, a plurality of rib body type grooves for molding the rib body are arranged in the section part,

the second die holder is provided with a plurality of model blocks which are in one-to-one correspondence with the model cavities, model surfaces which are matched with the section-shaped parts are arranged in the model blocks, and convex rib bodies which are in one-to-one correspondence with the rib-shaped grooves are arranged on the model surfaces.

Preferably, the second mold base comprises a base main body and a mold closing base body connected with the base main body, a carrying base is connected on the mold closing base body in a sliding fit manner, the carrying base is provided with the mold block,

a floating elastic mechanism is arranged between the base main body and the carrying seat.

Preferably, the die closing base body is provided with a sliding groove for sliding and matching the load bearing base, and four corners of the sliding groove are respectively provided with an avoiding chamfer.

Preferably, the inner wall of the cover body is provided with a metering mark which is arranged at an interval with the section part,

and a metering mark model for molding the metering mark is arranged on the model block.

The beneficial effects of the utility model are mainly embodied in that:

1. the injection molding of the specific cover body can be realized, and the molding requirements of the cut face part and the rib body are met.

2. The design of the floating elastic mechanism is adopted, so that the pressure adjustment during injection molding of the molding die cavity is realized, the wall thickness stability of the cover body is ensured, and the molding precision of the cover body is higher.

3. Still possess the shaping of measurement sign, satisfy the carrier measurement demand of the cover body.

Drawings

Fig. 1 is a perspective structural schematic diagram of a mold closing state of the cover body injection mold of the present invention.

Fig. 2 is a schematic structural diagram of the first mold base of the present invention.

Fig. 3 is a schematic structural diagram of the second mold base of the present invention.

Fig. 4 is a schematic structural diagram of the middle cover body of the present invention.

Fig. 5 is another schematic structural diagram of the cover body of the present invention.

Detailed Description

The utility model provides a cover body injection mold. The technical solution of the present invention will be described in detail below with reference to the accompanying drawings so as to be easier to understand and grasp.

As shown in FIGS. 4 and 5, a cut portion 11 is provided on an outer wall of a cover 10, and the cut portion 11 is provided with a plurality of ribs 12 for increasing a frictional force.

As shown in fig. 1 to 3, the injection mold of the present invention includes a first mold base 1 and a second mold base 2 that are capable of relative opening and closing displacement. Namely, the first die holder 1 and the second die holder 2 have relative opening and closing operation displacement.

Wherein, be equipped with a plurality of model cavities 3 on the first die holder 1, be equipped with in arbitrary model cavity 3 and be used for the fashioned tangent plane type portion 4 of tangent plane portion 11, be equipped with in the tangent plane type portion 4 and be used for the fashioned a plurality of muscle body type grooves 5 of muscle body.

A plurality of model blocks 6 which are in one-to-one correspondence with the model cavities 3 are arranged on the second die holder 2, model surfaces 7 which are matched with the section-shaped parts 4 are arranged in the model blocks 6, and convex rib bodies 8 which are in one-to-one correspondence with the rib-shaped grooves 5 are arranged on the model surfaces 7.

Specifically, the model cavity 3 is matched with the model block 6 to form a conformal cavity of the cover body 10, the model surface 7 is matched with the tangent plane shape part 4, and the rib body type groove 5 and the convex rib body 8 are matched, so that the wall thickness of the tangent plane part 11 and the rib body 12 of the cover body 10 is consistent with that of the main body wall, the structural strength of the cover body is increased, and the injection molding is uniform.

In one embodiment, the second mold base 2 includes a base body 21 and a mold clamping base 22 connected to the base body 21, a carrier 23 is slidably coupled to the mold clamping base 22, and the mold block 6 is disposed on the carrier 23.

A floating elastic mechanism 9 is arranged between the base main body 21 and the carrier seat 23.

Specifically, by adopting the design of the floating elastic mechanism 9, the carrier seat 23 has floating displacement towards the first die holder 1, so that the pressure adjustment during the injection molding operation of the injection molding cavity formed by the mold block 6 and the mold cavity 3 is realized, the requirement on the wall surface size of the cover body is met, and the injection molding precision is improved.

More preferably, the mold clamping base body 22 is provided with a sliding groove 221 for slidably mating the carrier base 23, and four corners of the sliding groove 221 are respectively provided with an avoiding chamfer 222.

The escape chamfers 222 can escape four corners of the carriage 23, thereby ensuring stable sliding displacement of the carriage 23.

In one embodiment, the inner wall of the housing 10 is provided with a measuring mark spaced from the cut surface portion 11, and the mold block 6 is provided with a measuring mark mold for forming the measuring mark.

The illustration of the measuring mark and the measuring mark model is omitted in the drawing, the measuring mark is formed on the inner wall of the cover body 10, the abrasion phenomenon cannot be generated in the using process, the cover body 10 is made of transparent materials, the measuring mark can be used for measuring and identifying the bearing object, and the using requirement is met.

Can discover through the above description, the utility model relates to a cover body injection mold can realize the injection moulding of the specific cover body, satisfies the shaping requirement of tangent plane portion and muscle body. The design of the floating elastic mechanism is adopted, so that the pressure adjustment during injection molding of the molding die cavity is realized, the wall thickness stability of the cover body is ensured, and the molding precision of the cover body is higher. Still possess the shaping of measurement sign, satisfy the carrier measurement demand of the cover body.

The above technical solutions of the present invention have been fully described, and it should be noted that the present invention is not limited by the above description, and all technical solutions formed by equivalent transformation or equivalent transformation adopted by the spirit of the present invention in the aspects of structure, method or function by those of ordinary skill in the art all fall within the protection scope of the present invention.

Claims (4)

1. The utility model provides a cover body injection mold, be equipped with tangent plane portion on the outer wall of the cover body, possess a plurality of muscle bodies that increase frictional force on the tangent plane portion, its characterized in that:

comprises a first die holder and a second die holder which are relatively opened and closed,

wherein, a plurality of model cavities are arranged on the first die holder, a section part for molding the section part is arranged in any model cavity, a plurality of rib body type grooves for molding the rib body are arranged in the section part,

the second die holder is provided with a plurality of model blocks which are in one-to-one correspondence with the model cavities, model surfaces which are matched with the section-shaped parts are arranged in the model blocks, and convex rib bodies which are in one-to-one correspondence with the rib-shaped grooves are arranged on the model surfaces.

2. The cover injection mold of claim 1, wherein:

the second die holder comprises a base main body and a die closing base body connected with the base main body, a carrying base is connected on the die closing base body in a sliding fit mode, the carrying base is provided with the model block,

a floating elastic mechanism is arranged between the base main body and the carrying seat.

3. The cover injection mold of claim 2, wherein:

the die closing base body is provided with a sliding groove used for the sliding matching of the load bearing base, and four corners of the sliding groove are respectively provided with an avoidance chamfer.

4. The cover injection mold according to any one of claims 1 to 3, wherein:

the inner wall of the cover body is provided with a metering mark which is arranged at an interval with the section part,

and a metering mark model for molding the metering mark is arranged on the model block.

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