CN215849380U

CN215849380U - But injection mold for optical lens of quick drawing of patterns

Info

Publication number: CN215849380U
Application number: CN202122098536.XU
Authority: CN
Inventors: 徐现勋
Original assignee: Suzhou Tianfu Optical Co ltd
Current assignee: Suzhou Tianfu Optical Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-18
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses an injection mold for an optical lens capable of being rapidly demolded, which comprises: the ejection mechanism comprises a supporting base, an ejection mechanism and a driving mechanism; a fixing mold is arranged on the supporting base, a cavity is arranged in the fixing mold, a pair of through holes are formed in the fixing mold, and connecting ropes are arranged in the through holes; the ejection mechanism is arranged in the cavity and comprises a plurality of ejection rods, the ejection rods penetrate through the fixed die, a support sleeve is arranged in the cavity and is provided with threads, and a connecting sleeve is arranged on the support sleeve; the driving mechanism is arranged below the ejection mechanism and comprises a driving gear, sliding plates are arranged on two sides of the driving gear, and the pair of connecting ropes are connected with the pair of sliding plates respectively. According to the utility model, through the arrangement of the corresponding mechanism of the existing optical lens production injection mold, the optical lens can be automatically ejected out after being molded, and the demolding efficiency of the optical lens is improved, so that the production efficiency of the product is improved, and the income of a user is increased.

Description

But injection mold for optical lens of quick drawing of patterns

Technical Field

The present invention relates to an injection mold, and more particularly to an injection mold for an optical lens, which can be rapidly released.

Background

An injection mold is a mold used in an injection molding process to shape molten plastic into a specific size and shape, and is different from a blow mold, an extrusion mold, and the like. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes and precise product size, and is suitable for the molding processing fields of mass production, products with complex shapes and the like.

In the process of optical lens injection molding, after the optical lens is molded, the optical lens needs to be taken out of an injection mold, but the existing optical lens injection mold lacks a good product demolding device, the product is generally taken out manually, and the efficiency is low.

Therefore, in order to solve the above problems, it is necessary to provide an injection mold for optical lenses that can be rapidly released.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold for an optical lens, which can be used for quickly ejecting an optical lens product, so that the production efficiency of the product is improved.

In order to achieve the above purpose, the utility model provides the following technical scheme,

in one or more embodiments, a fast-release injection mold for an optical lens, comprising: the ejection mechanism comprises a supporting base, an ejection mechanism and a driving mechanism;

a fixed die is arranged on the supporting base, and a cavity is arranged in the fixed die;

the ejection mechanism is arranged in the cavity and comprises a plurality of ejection rods, and the ejection rods penetrate through the fixed die;

the driving mechanism is arranged below the ejection mechanism and comprises a driving gear.

In one or more embodiments, the fixed mold is provided with a pair of through holes, so that the connecting rope can move conveniently and is not easily influenced when moving, and the connecting ropes are arranged in the through holes and used for pulling the sliding plate to move so as to drive the driving gear to rotate; and a cavity for forming the optical lens is arranged on the fixed mould.

In one or more embodiments, a supporting sleeve is arranged in the cavity and used for supporting and driving the connecting sleeve to move upwards or downwards, and threads are arranged on the supporting sleeve and used for being matched with a threaded rod so that the supporting sleeve can be driven to move when the threaded rod rotates;

the supporting sleeve is provided with a connecting sleeve for connecting the supporting disc with the supporting sleeve, so that the supporting disc can be driven to move when the supporting sleeve moves, the supporting disc is installed at one end, far away from the supporting sleeve, of the connecting sleeve, the connecting sleeve is used for supporting and driving the plurality of jacking rods to move, and the jacking rods are fixed on the supporting disc.

In one or more embodiments, the supporting sleeve is provided with a fixing plate for supporting and fixing the supporting sleeve, so that the supporting sleeve is not easy to fall off, and a plurality of telescopic rods are connected between the fixing plate and the supporting base, so that the supporting sleeve can rise or fall for a certain distance, and the connecting sleeve is conveniently driven to move.

In one or more embodiments, the drive gear is last to be inserted and to be equipped with the threaded rod for it removes to drive to support the cover, threaded rod and support cover threaded connection can drive when making the threaded rod rotatory and support the cover and rise or descend, the one end fixedly connected with limiting plate that drive gear was kept away from to the threaded rod is used for spacing to supporting the cover, makes to support the cover and is difficult for droing.

In one or more embodiments, two sliding plates are respectively arranged on two sides of the driving gear and used for driving the plurality of meshing racks to move, so that the driving gear is driven to rotate, and the connecting rope is respectively connected with the two sliding plates so as to pull the sliding plates to move;

the sliding plate is characterized in that a plurality of meshing racks are uniformly distributed on one surface of the sliding plate, which is close to the driving gear, the meshing racks are meshed with the driving gear, the sliding plate is convenient to drive the driving gear to rotate when moving, and return springs are connected between the sliding plate and the supporting base and used for pulling the sliding plate to return so as to drive the driving gear to rotate.

Compared with the prior art, the optical lens production injection mold has the advantages that the optical lens can be automatically ejected out after being formed by arranging the corresponding mechanism of the existing optical lens production injection mold, so that the demolding efficiency of the optical lens is improved, the production efficiency of products is improved, and the income is increased for users.

Drawings

Fig. 1 is a sectional view of an optical lens injection mold according to an embodiment of the present invention.

Fig. 2 is a schematic view of the structure shown at a in fig. 1.

Fig. 3 is a schematic view of the structure shown at B in fig. 1.

Fig. 4 is a schematic view of the structure shown at C in fig. 1.

Fig. 5 is a perspective view of an optical lens injection mold according to an embodiment of the present invention.

Fig. 6 is a schematic view of the structure shown at D in fig. 5.

FIG. 7 is a schematic structural diagram of a portion of an injection mold for an optical lens according to an embodiment of the present invention.

Description of the main reference numerals:

1-supporting base, 101-fixing mould and 102-connecting rope. 103-a cavity, 2-an ejection mechanism, 201-an ejection rod, 202-a support sleeve, 203-a connecting sleeve, 204-a support plate, 205-a fixing plate, 206-a telescopic rod, 3-a driving mechanism, 301-a driving gear, 302-a threaded rod, 303-a limit plate, 304-a sliding plate, 305-a meshing rack and 306-a return spring.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

As shown in fig. 1 to 7, an embodiment of the present invention includes: a supporting base 1, an ejection mechanism 2 and a driving mechanism 3.

As shown in fig. 1 to 5, a fixed mold 101 is arranged on the support base 1, a cavity is arranged in the fixed mold 101, a pair of through holes are formed in the fixed mold 101, the rope 102 is convenient to connect, the rope 102 is not easy to be affected when moving, and the rope 102 is arranged in each through hole and used for pulling the sliding plate 304 to move, so that the driving gear 301 is driven to rotate.

Wherein, can use the movable mould and the cooperation of fixed mould 101 when the product is moulded plastics to can be connected a pair of rope 102 and movable mould of connecting, thereby when making the movable mould keep away from fixed mould 101, the movable mould can stimulate and connect rope 102, thereby connects two sliding plates 304 of rope 102 pulling through a pair of.

In addition, a cavity 103 for molding the optical lens is arranged on the fixed mold 101, the cavity 103 is communicated with the cross groove 104 on the supporting base 101 through a flow passage, when the movable mold is attached to the fixed mold 101, an injection nozzle on the movable mold can firstly inject molding materials into the cross groove 104, the molding materials flow into the cavity 103 through the flow passage, and after the molding materials are cooled and molded, a cross connected with the molded optical lens can be formed.

As shown in fig. 1 to 7, the ejection mechanism 2 is disposed in the cavity, so as to facilitate the movement of the supporting sleeve 202, and therefore to facilitate the ejection of the ejection rod 201, and the ejection mechanism 2 includes a plurality of ejection rods 201 for ejecting the formed cross, thereby bringing out the optical lens and achieving the effect of rapid demolding. The plurality of jacking rods 201 penetrate through the fixed mold 101 and are inserted into the cross grooves 104, so that the jacking rods 201 can push the formed cross to drive the optical lens to be demoulded.

The supporting sleeve 202 is arranged in the cavity and used for supporting and driving the connecting sleeve 203 to move upwards or downwards, and the supporting sleeve 202 is provided with threads and used for being matched with the threaded rod 302 to enable the threaded rod 302 to drive the supporting sleeve 202 to move when rotating.

Specifically, the support sleeve 202 is provided with a connecting sleeve 203 for connecting the support plate 204 with the support sleeve 202, so that the support sleeve 202 can drive the support plate 204 to move when moving, the end of the connecting sleeve 203 away from the support sleeve 202 is provided with the support plate 204 for supporting and driving the plurality of jacking rods 201 to move, and the plurality of jacking rods 201 are all fixed on the support plate 204.

In addition, the fixing plate 205 is installed on the supporting sleeve 202 and used for supporting and fixing the supporting sleeve 202, so that the supporting sleeve 202 is not easy to fall off, and a plurality of telescopic rods 206 are connected between the fixing plate 205 and the supporting base 1, so that the supporting sleeve 202 can ascend or descend for a certain distance, and the connecting sleeve 203 is conveniently driven to move.

The driving mechanism 3 is arranged below the ejection mechanism 2, the driving mechanism 3 comprises a driving gear 301, a threaded rod 302 is inserted into the driving gear 301 and used for driving the supporting sleeve 202 to move, the threaded rod 302 is in threaded connection with the supporting sleeve 202, the supporting sleeve 202 can be driven to ascend or descend when the threaded rod 302 rotates, and one end, far away from the driving gear 301, of the threaded rod 302 is fixedly connected with a limiting plate 303 and used for limiting the supporting sleeve 202, so that the supporting sleeve 202 is not prone to falling off.

Both sides of drive gear 301 all are equipped with sliding plate 304 for drive a plurality of meshing rack 305 and remove, thereby reach the rotatory effect of drive gear 301, a pair of connecting rope 102 is connected with a pair of sliding plate 304 respectively, makes connecting rope 102 can stimulate sliding plate 304 and remove.

Wherein, the below of a pair of sliding plate 304 all is connected with the spacing horizontal bar of block, is equipped with the spacing horizontal bar assorted recess of block on the inner wall of cavity, makes sliding plate 304 be difficult for rocking or slope when being pulled to difficult influence meshing rack 305 and drive gear 301 mesh mutually.

As shown in fig. 6, a plurality of meshing racks 305 are uniformly distributed on one surfaces of the pair of sliding plates 304 close to the driving gear 301, the meshing racks 305 are meshed with the driving gear 301, so that the driving gear 301 is driven to rotate when the sliding plates 304 move, and a return spring 306 is connected between each of the pair of sliding plates 304 and the supporting base 1 and used for pulling the sliding plate 304 to return, so as to drive the driving gear 301 to rotate.

When the optical lens injection molding device is used specifically, a worker connects the connecting rope 102 with the movable mold, then the device is started, after the optical lens is injection molded, the movable mold retracts, the movable mold pulls the connecting rope 102 at the moment, so that the sliding plate 304 is driven to move, and the driving gear 301 and the threaded rod 302 are driven to rotate while the sliding plate 304 moves;

the threaded rod 302 rotates and simultaneously drives the support sleeve 202 to move, the support sleeve 202 pushes the jacking rod 201 to move through the connecting sleeve 203 and the support plate 204, and then the cross is jacked up through the jacking rod 201, so that the molded optical lens is jacked out, and the effect of quick demolding is achieved;

and the next product is injected after demolding, at the moment, the movable mold approaches to the fixed mold 101, the connecting rope 102 does not pull the sliding plate 304 any more, and the return spring 306 pulls the sliding plate 304 to retract, so that the driving gear 301 is driven to rotate, the jacking rod 201 retracts, and the ejection is facilitated again.

According to the utility model, through the arrangement of the corresponding mechanism of the existing optical lens production injection mold, the optical lens can be automatically ejected out after being molded, and the demolding efficiency of the optical lens is improved, so that the production efficiency of the product is improved, and the income of a user is increased.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the utility model and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the utility model and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims

1. An injection mold for an optical lens capable of being rapidly demolded, comprising:

the supporting base is provided with a fixed die, and a cavity is formed in the fixed die;

2. The injection mold for an optical lens capable of being rapidly demolded according to claim 1, wherein the fixing mold has a pair of through holes, the connecting string is disposed in the through holes, and the fixing mold has a cavity for molding the optical lens.

3. The injection mold for an optical lens capable of being rapidly demolded according to claim 1, wherein a supporting sleeve and a connecting sleeve are arranged in the cavity, a thread is arranged in the supporting sleeve, one end of the connecting sleeve is screwed on the supporting sleeve, a supporting plate is arranged at the other end of the connecting sleeve, and a plurality of the jacking rods are fixed on the supporting plate.

4. The injection mold for an optical lens capable of being rapidly demolded according to claim 3, wherein a fixing plate is installed on the supporting sleeve, and a plurality of telescopic rods are connected between the fixing plate and the top wall of the cavity of the supporting base.

5. The injection mold for an optical lens capable of being rapidly demolded as claimed in claim 1, wherein a threaded rod is inserted on the driving gear, the threaded rod is connected with the supporting sleeve by a thread, and a limiting plate is fixedly connected to one end of the threaded rod far away from the driving gear.

6. The injection mold for an optical lens capable of being rapidly demolded according to claim 2, wherein two sliding plates are disposed on two sides of the driving gear, the connecting rope is connected to the two sliding plates, a plurality of meshing racks are uniformly distributed on one side of the sliding plates close to the driving gear, and a return spring is connected between the sliding plates and the supporting base.