CN215661569U

CN215661569U - Avoid mould that parting line appears in product outward appearance

Info

Publication number: CN215661569U
Application number: CN202122407709.1U
Authority: CN
Inventors: 张超
Original assignee: Shandong Youshi Mingzhuo Precision Mould Co ltd
Current assignee: Shandong Youshi Mingzhuo Precision Mould Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-01-28
Anticipated expiration: 2031-09-30

Abstract

The application provides a mold for avoiding a parting line from appearing on the appearance of a product, which solves the technical problem of poor mold opening stability of the existing injection mold; the fixed die part comprises an upper fixed plate and a front template, and the movable die part is connected with the front template; a rear mold insert is embedded in the fixed mold part, a front mold insert is embedded in the front template, and an injection molding cavity is formed between the rear mold insert and the front mold insert; the injection molding cavity is inserted with a convex part of the sliding block, and a main body of the sliding block is movably sleeved on the inclined shifting piece which is connected with the upper fixed plate; the surface of the sliding block opposite to the outer wall of the front mold insert is connected with an elastic part. The application is widely applied to the technical field of injection molds.

Description

Avoid mould that parting line appears in product outward appearance

Technical Field

The application relates to an injection mold, more specifically say so, relate to a mould of parting line appears in avoiding product outward appearance.

Background

The injection molding has the advantages of high production speed, high efficiency, automation realization of operation and suitability for the fields of mass production, complex-shaped products and other molding processing. For products with slotted holes in appearance, such as atomizer spray nozzles, the appearance requirements are strict, parting lines are not required, and the products are generally realized by adopting a tunnel slide block structure; however, the existing structure has the problem of poor stability in the mold opening process.

Disclosure of Invention

In order to solve the above problems, the technical scheme adopted by the application is as follows: the die for avoiding the appearance of a product from generating a parting line comprises a fixed die part and a movable die part, wherein the fixed die part comprises an upper fixed plate and a front die plate, and the movable die part is connected with the front die plate; a rear mold insert is embedded in the fixed mold part, a front mold insert is embedded in the front template, and an injection molding cavity is formed between the rear mold insert and the front mold insert; the injection molding cavity is inserted with a convex part of the sliding block, and a main body of the sliding block is movably sleeved on the inclined shifting piece which is connected with the upper fixed plate; the surface of the sliding block opposite to the outer wall of the front mold insert is connected with an elastic part.

Preferably, the two sides of the sliding block are provided with limit lugs, and the movable mould part is provided with limit slideways matched with the movable mould part.

Preferably, the inclined shifting piece is divided into two parts, namely a vertical part connected with the upper fixing plate and an inclined part connected with the sliding block in a sliding manner.

Preferably, one end of the inclined portion away from the vertical portion is inclined outward.

Preferably, the slider includes the first slider that is equipped with the convex part, is equipped with the second slider of main part, and the second slider is equipped with the mounting groove that is used for installing the elastic component, and the elastic component bulges the mounting groove.

Preferably, the elastic member is a spring.

The utility model has the advantages of simple structure and reasonable design. The movable mold part is connected with a front mold plate of the fixed mold part, a rear mold insert is embedded in the fixed mold part, a front mold insert is embedded in the front mold plate, and an injection molding cavity is formed between the rear mold insert and the front mold insert; the injection molding cavity is inserted with a convex part of the sliding block, the main body of the sliding block is movably sleeved on the inclined shifting piece, and the inclined shifting piece is connected with the upper fixing plate of the fixed mold part. When the mold is opened, the movable mold part drives the front mold plate to open the mold, the front mold plate is separated from the upper fixing plate, the inclined shifting piece is fixed, the sliding block follows up and slides outwards along the inclined shifting piece in the process, the convex part of the sliding block leaves the injection molding cavity, so that a product can be conveniently separated from the front mold plate and follows up with the movable mold part, and the ejection operation of the subsequent product is facilitated. Meanwhile, the elastic piece arranged on the sliding block can prevent the sliding block from returning after leaving the injection molding cavity, so that collision damage is caused to a product and a front mold insert, and the stability of mold opening action is facilitated. The two sides of the sliding block are provided with limit lugs, and the movable mould part is provided with a limit slideway matched with the movable mould part. In the follow-up process of the sliding block, the sliding block slides along the inclined shifting piece on the one hand, and slides along the limiting slide way on the other hand, so that the stability and reliability of the die opening process are ensured under the effect of double limiting.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention with the upper fixing plate and the front mold plate removed;

FIG. 3 is a perspective view of FIG. 2;

FIG. 4 is a schematic top view of the present invention;

fig. 5 is a schematic sectional view B-B of fig. 4.

The symbols in the drawings illustrate that:

1. a fixing plate; 2. a front template; 3. a movable mold part; 4. a rear mold insert; 5. a front mold insert; 6. injection molding a cavity; 7. a convex portion; 8. inclining the shifting sheet; 9. an elastic member; 10. a limiting bump; 11. a limiting slide way; 12. a vertical portion; 13. an inclined portion; 14. a first slider; 15. a second slider; 16. and (4) mounting the groove.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The mold for avoiding the appearance of the product from appearing the parting line provided by the embodiment of the application is explained.

Please refer to fig. 1, fig. 2, fig. 4 and fig. 5, which are schematic structural views of the mold for avoiding the appearance of the parting line. The die for avoiding the appearance of the product from forming parting lines comprises a fixed die part and a movable die part 3, wherein the fixed die part comprises an upper fixed plate 1 and a front template 2, and the movable die part 3 is connected with the front template 2; a rear mold insert 4 is embedded in the fixed mold part, a front mold insert 5 is embedded in the front mold plate 2, and an injection molding cavity 6 is formed between the rear mold insert 4 and the front mold insert 5; the injection molding cavity 6 is inserted with a convex part 7 of the sliding block, the main body of the sliding block is movably sleeved on an inclined shifting piece 8, and the inclined shifting piece 8 is connected with the upper fixing plate 1; the surface of the slide block opposite to the outer wall of the front mould insert 5 is connected with an elastic part 9. When the mold is opened, the movable mold part 3 drives the front mold plate 2 to open the mold, the front mold plate 2 is separated from the upper fixing plate 1, the inclined shifting piece 8 is fixed, the slide block follows up and slides outwards along the inclined shifting piece 8 in the process, the convex part 7 of the slide block leaves the injection molding cavity 6, so that a product can be conveniently separated from the front mold plate 2 and follows up with the movable mold part 3, and the ejection operation of the subsequent product is facilitated. At the same time, the resilient element 9 mounted on the slide prevents the slide from moving back after leaving the injection mould cavity 6.

Further, please refer to fig. 3, which is a schematic diagram of the mold structure for avoiding the appearance of the product from appearing a parting line. In this embodiment, the two sides of the sliding block are provided with limit bumps 10, and the movable mold part 3 is provided with limit slideways 11 matched with the limit bumps. In the follow-up process of the sliding block, the sliding block slides along the inclined shifting piece 8 on the one hand, and slides along the limiting slide way 11 on the other hand, so that the stability and reliability of the die opening process are ensured under the effect of double limiting.

Further, please refer to fig. 3, which is a schematic cross-sectional view of the mold for avoiding the appearance of the product from forming the parting line. In the present embodiment, the tilt lever 8 is divided into two parts, i.e., a vertical part 12 connected to the upper fixing plate 1 and a tilted part 13 slidably connected to the slider, wherein the vertical part 12 functions to guide the front mold plate 2 and the tilted part 13 functions to guide the slider. Specifically, in the present embodiment, the upper portion of the vertical portion 12 is embedded in the upper fixing plate 1, and the connection between the two is more stable, which is beneficial to exerting a stable guiding function.

Further, in the present embodiment, the end of the inclined portion 13 away from the vertical portion 12 is inclined outward, so that the slide block can slide outward along the inclined portion 13 during the following process when the mold is opened, thereby disengaging from the injection mold cavity 6.

Further, please refer to fig. 2 and 5, which are schematic views of the mold structure for avoiding the appearance of the parting line. In the present embodiment, the slider includes a first slider 14 provided with the convex portion 7, a second slider 15 provided with the main body, the second slider 15 being provided with a mounting groove 16 for mounting the elastic member 9, the elastic member 9 protruding the mounting groove 16. The elastic part 9 is arranged in a protruding mode, so that the protective effect can be achieved, and meanwhile due to the elastic characteristic of the elastic part, if the sliding block moves back, collision damage to the front mold core can be reduced as much as possible.

Specifically, the second slider 15 is higher than the first slider 14, and the end of the second slider 15 close to the first slider 14 is provided with a connecting table, the lower end face of the connecting table contacts with the upper end face of the first slider 14, and the connecting table is fixedly connected with the first slider 14. And a mounting groove 16 for mounting the spring part is formed in the surface of the connecting table opposite to the front mold insert 5. The connecting mode is stable and reliable, and meanwhile, the spring piece is convenient to be arranged between the sliding block and the front mold insert 5.

Further, the elastic member 9 may be any member capable of providing a certain cushioning effect, such as a compression spring, rubber, etc., and specifically, in the present embodiment, the elastic member 9 is a spring.

The utility model has simple structure and reasonable design. The movable mold part 3 is connected with a front mold plate 2 of the fixed mold part, a rear mold insert 4 is embedded in the fixed mold part, a front mold insert 5 is embedded in the front mold plate 2, and an injection molding cavity 6 is formed between the rear mold insert 4 and the front mold insert 5; the injection molding cavity 6 is inserted with a convex part 7 of the sliding block, the main body of the sliding block is movably sleeved on an inclined shifting piece 8, and the inclined shifting piece 8 is connected with the upper fixing plate 1 of the fixed mold part. When the mold is opened, the movable mold part 3 drives the front mold plate 2 to open the mold, the front mold plate 2 is separated from the upper fixing plate 1, the inclined shifting piece 8 is fixed, the slide block follows up and slides outwards along the inclined shifting piece 8 in the process, the convex part 7 of the slide block leaves the injection molding cavity 6, so that a product can be conveniently separated from the front mold plate 2 and follows up with the movable mold part 3, and the ejection operation of the subsequent product is facilitated. Meanwhile, the elastic part 9 arranged on the sliding block can prevent the sliding block from returning after leaving the injection molding cavity 6, so that collision damage is caused to a product and the front mold insert 5, and the stability of mold opening action is facilitated. The two sides of the slide block are provided with limit lugs 10, and the movable mould part 3 is provided with a limit slideway 11 matched with the movable mould part. In the follow-up process of the sliding block, the sliding block slides along the inclined shifting piece 8 on the one hand, and slides along the limiting slide way 11 on the other hand, so that the stability and reliability of the die opening process are ensured under the effect of double limiting.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims

1. The utility model provides an avoid product appearance to appear mould of parting line, includes cover half part, movable mould part, its characterized in that: the fixed die part comprises an upper fixed plate and a front template, and the movable die part is connected with the front template; a rear mold insert is embedded in the fixed mold part, a front mold insert is embedded in the front template, and an injection molding cavity is formed between the rear mold insert and the front mold insert; the injection molding cavity is inserted with a convex part of a sliding block, a main body of the sliding block is movably sleeved on an inclined shifting piece, and the inclined shifting piece is connected with the upper fixing plate; and the surfaces of the sliding block, which are opposite to the outer wall of the front mold insert, are connected with elastic parts.

2. The mold for preventing a parting line from appearing on the appearance of a product as set forth in claim 1, wherein: the two sides of the sliding block are provided with limiting convex blocks, and the movable die part is provided with limiting slide ways matched with the movable die part.

3. The mold for avoiding appearance of parting lines in products according to claim 1 or 2, wherein: the inclined shifting piece is divided into two parts, namely a vertical part connected with the upper fixing plate and an inclined part connected with the sliding block in a sliding manner.

4. A mold for preventing a parting line from appearing in the appearance of a product according to claim 3, wherein: the inclined part is inclined outwards at one end far away from the vertical part.

5. The mold for preventing a parting line from appearing on the appearance of a product as set forth in claim 1, wherein: the slider is including being equipped with the first slider of convex part, being equipped with the second slider of main part, the second slider is equipped with and is used for the installation the mounting groove of elastic component, the elastic component protrusion the mounting groove.

6. The mold for avoiding appearance of parting lines in products according to claim 1 or 5, wherein: the elastic piece is a spring.