CN215791499U

CN215791499U - Die mechanism for zero offset machining of automobile door cover

Info

Publication number: CN215791499U
Application number: CN202121470101.7U
Authority: CN
Inventors: 徐友林
Original assignee: Jiangsu Demao Injection Molding Decoration Technology Co ltd
Current assignee: Jiangsu Demao Injection Molding Decoration Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-02-11
Anticipated expiration: 2031-06-30

Abstract

The utility model relates to a die mechanism for zero offset machining of an automobile door cover, which comprises a fixed die core, a movable die core, a forming cavity arranged between the fixed die core and the movable die core, a die core arranged below the forming cavity, cooling water pipes arranged on the inner sides of the movable die core and the fixed die core, a pouring gate arranged above a movable die and a demoulding mechanism for demoulding, wherein the fixed die core is arranged in the forming cavity; the demoulding mechanism comprises a push plate and a push rod, the push plate is of an integral structure and is arranged around the forming cavity, and the push plate is driven by the push rod to move to complete demoulding. The utility model solves the problems of at least 0.05mm of break difference of a parting line position, hand feeling, visual visibility, influence on the appearance of a product and the like in the existing automobile door cover mold processing, and improves the appearance of an automobile door cover product and realizes the zero-break effect on the premise of ensuring that the size of a product tear line meets the performance requirement, the size of the mold is unchanged and the processing period of the mold is not lengthened by adopting a push plate design to replace an ejector pin and a slider structure in the original mold.

Description

Die mechanism for zero offset machining of automobile door cover

Technical Field

The utility model relates to the technical field of automobile part processing, in particular to a die mechanism for zero-offset processing of an automobile door cover.

Background

With the increasing living standard of people, automobiles are more and more popular in China, and the automobile industry is one of the national post industries. With the continuous development of the automobile industry, people not only require that the internal quality of automobile products is good, but also require that the external form is novel and beautiful, and the automobile products conform to the principle of ergonomics.

The plastic product occupies a great proportion in automobile parts, the quality of the plastic part is one of important factors influencing the appearance and the service performance of the automobile, and after the design and the processing technology of the plastic material and the product are determined, the quality of the injection mold has a decisive role in the quality and the cost of the plastic part. In the development process of modern manufacturing industry, the position and importance of the mold are increasingly emphasized by people.

As one of automobile parts, the automobile door cover is used on an automobile steering wheel, and the parting line position of the existing automobile door cover has at least 0.05mm break difference and has the following defects: the product has hand feeling and is visible to eyes, and the appearance and the recognition period of the product are influenced. Automobile host plants always hope to advance the technology to meet zero offset, but due to the comprehensive factor limitations of the overall structure design, the demolding requirement and the mold size of the mold, zero offset injection molding products are not developed in the existing market. After the existing die is opened, the stress area is small, the ejection is unbalanced and the product is easy to deform when the product is ejected, so that the product parting section difference is difficult to achieve the ideal effect.

Therefore, the die mechanism for zero-offset machining of the automobile door cover is provided to overcome the defects in the prior art.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present application is to provide a mold mechanism for zero offset processing of an automobile door cover, so as to achieve zero offset processing of an automobile door cover product and improve the aesthetic degree of the product.

In order to achieve the above object, the present application provides the following technical solutions.

A die mechanism for zero offset machining of an automobile door cover comprises a fixed die core, a movable die core, a forming cavity arranged between the fixed die core and the movable die core, a die core arranged below the forming cavity, cooling water pipes arranged on the inner sides of the movable die core and the fixed die core, a pouring gate arranged above a movable die and a demoulding mechanism for demoulding;

the molding cavity is communicated with the pouring gate through a pouring pipeline, a mold core is arranged below the molding cavity, and the mold core is fixed in the fixed mold core;

the demolding mechanism comprises a push plate and a push rod, the push plate is of an integral structure and is arranged around the molding cavity, and the push plate is driven by the push rod to move to complete demolding.

Preferably, the fixed die core is provided with a clamping plate, the movable die core is provided with a clamping groove corresponding to the clamping plate, and the movable die core and the fixed die core are fixedly connected in a limiting manner through the matching of the clamping plate and the clamping groove.

Preferably, guide holes are formed in the periphery of the push plate, and guide posts sequentially penetrate through the push plate to achieve the guide effect of the movement of the push plate;

the push plate is provided with a positioning seat, the upper die core is provided with a positioning hole corresponding to the positioning seat, and the push plate and the upper die core are positioned and fixed through the matching of the positioning seat and the positioning hole.

Preferably, a connecting ring is arranged in the push plate, and the push rod is fixedly connected with the connecting ring, so that the periphery of the push plate moves synchronously.

Preferably, the number of the push rods is 2, and the 2 push rods are respectively arranged at two ends of the connecting ring and fixedly connected, so that the connecting rod is uniformly stressed.

Preferably, the demoulding mechanism further comprises a large inclined top plate, an inclined ejector rod is arranged in the large inclined top plate, and the door cover is separated by driving the inclined ejector rod to move after the mould is opened.

Preferably, the demoulding mechanism further comprises a straight top plate, a straight ejector rod is arranged in the straight top plate, the straight ejector rod penetrates through the fixed mold core and the mold core, the upper portion of the straight ejector rod is opposite to the car logo for machining the door cover, and the straight ejector rod is driven to move so as to push the car logo for machining the door cover, so that the car logo is separated from the door cover.

Preferably, the demoulding mechanism further comprises small inclined top plates which are uniformly distributed around the straight top plate and used for removing the limitation around the processing door cover during demoulding.

Preferably, the sprue gate passes through pouring tube and shaping cavity intercommunication, the quantity of pouring tube is 3, and wherein, 1 pouring tube sets up in movable mould benevolence centre, and 2 pouring tubes set up respectively in both sides in addition, improve pouring efficiency greatly.

Preferably, the mold mechanism further comprises a hot runner mechanism, the hot runner mechanism comprises a hot runner plate, a nozzle and a temperature controller, the hot runner plate is arranged below the sprue gate and above the movable mold core, and the nozzle is arranged on the hot runner plate.

Preferably, the die mechanism further comprises a hydraulic mechanism, the hydraulic mechanism comprises 2 oil cylinders, oil pipes and oil valves, and the 2 oil cylinders are respectively arranged on two sides.

The beneficial technical effects obtained by the utility model are as follows:

1. the utility model solves the problems of at least 0.05mm of break difference of a parting line position, hand feeling, visual visibility, influence on the appearance of a product and the like in the existing automobile door cover mold processing, and improves the appearance of an automobile door cover product and realizes the zero-break effect on the premise of ensuring that the size of a product tear line meets the performance requirement, the size of the mold is unchanged and the processing period of the mold is not lengthened by adopting a push plate design to replace an ejector pin and a slider structure in the original mold.

2. In the utility model, during demoulding in mould processing, secondary ejection is adopted, the product is ejected out through the inclined ejection part for the first time, the product is ejected out through the push plate for the second time, the push plate is of an integral design structure, the parting and breaking of the door cover product are better controlled, the integral performance is good compared with other sectional ejection structures, the product is stressed uniformly during integral ejection and is not easy to deform, the clamping line with the product is less, and the precision can be better ensured in mould processing and mould matching.

3. The integral structure of the push plate can be assembled and fixed with the movable mould core to form a whole, and the subsequent dermatoglyph bite can be integrally corroded at one time, so that the effect of zero moulding break of the product can be ensured after dermatoglyph.

The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical means of the present application more clearly understood and to make the same practical in accordance with the content of the description, and to make the above and other objects, features, and advantages of the present application more apparent, the following is a preferred embodiment of the present application and is described in detail with reference to the accompanying drawings.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are 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 creative efforts. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural diagram of a mold mechanism for zero offset machining of an automobile door cover according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a stationary mold core and a movable mold core according to an embodiment of the disclosure;

FIG. 3 is a schematic structural view of a stationary mold core and a demolding mechanism in one embodiment of the disclosure;

fig. 4 is a schematic structural diagram 1 of a demolding mechanism in one embodiment of the disclosure;

fig. 5 is a schematic structural diagram of a demolding mechanism in an embodiment of the disclosure 2;

FIG. 6 is a schematic view of the connection ring and the push rod according to an embodiment of the present disclosure;

fig. 7 is a schematic view of the internal structure of the demolding mechanism in one embodiment of the present disclosure;

fig. 8 is a schematic structural view of a demolding mechanism in another embodiment of the disclosure.

In the above drawings: 110. fixing a mold core; 120. a movable mould core; 130. a mold core; 200. pushing the plate; 210. a guide hole; 220. positioning seats; 230. a connecting ring; 240. a guide post; 250. a push rod; 310. a pouring gate; 320. a pouring tube; 410. a large sloping roof plate; 420. a slanted ejecting rod; 430. a straight top plate; 440. a straight ejector rod; 450. a small inclined top plate; 510. a hot runner plate; 520. a nozzle; 610. an oil cylinder; 620. an oil pipe; 630. an equipment mounting plate; 700. a door cover product.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.

It should be appreciated that reference throughout this specification to "one embodiment" or "the embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrase "one embodiment" or "the present embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Further, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.

The term "at least one" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, at least one of a and B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.

It is further noted that, herein, relational terms such as first and second, and the like may be 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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion.

As shown in fig. 1 to 8, a mold mechanism for zero offset machining of an automobile door cover includes a fixed mold core 110, a movable mold core 120, a molding cavity disposed between the fixed mold core 110 and the movable mold core 120, a mold core 130 disposed below the molding cavity, a cooling water pipe disposed inside the movable mold core 120 and the fixed mold core 110, a sprue gate 310 disposed above the movable mold, and a demolding mechanism for demolding.

The molding cavity is communicated with the pouring gate 310 through a pouring pipe 320, a mold core 130 is arranged below the molding cavity, and the mold core 130 is fixed in the fixed mold core 110; the push plate 200 is disposed inside the core insert 110.

The demolding mechanism comprises a push plate 200 and a push rod 250, wherein the push plate 200 is of an integral structure and is arranged around the molding cavity, and the push plate 200 is driven by the push rod 250 to move to complete demolding.

Further, the die mechanism further comprises a hydraulic mechanism, the hydraulic mechanism comprises oil cylinders 610, oil pipes 620 and oil valves, the number of the oil cylinders 610 is 2, and the 2 oil cylinders 610 are respectively arranged on two sides.

Further, an equipment mounting plate 630 is arranged below the fixed die core 110, and the 2 oil cylinders 610 are respectively fixed on two sides of the equipment mounting plate 630.

The cavity plate 110 and the cavity plate 120 are disposed in the cavity plate and the cavity plate, respectively, during use. The cooling water pipe is used for achieving the cooling function of the molten plastic after pouring, and is connected with a water inlet which is arranged on the fixed die and/or the movable die.

Furthermore, the fixed mold core 110 is provided with a clamping plate, the movable mold core 120 is provided with a clamping groove corresponding to the clamping plate, and the movable mold core 120 and the fixed mold core 110 are fixedly connected in a limiting manner through the matching of the clamping plate and the clamping groove.

In one embodiment, the mold mechanism further comprises a hot runner mechanism comprising a hot runner plate 510, a nozzle 520, and a temperature controller, wherein the hot runner plate 510 is disposed below the sprue gate 310 and above the cavity block 120, and the nozzle 520 is disposed on the hot runner plate 510.

Further, the number of the pouring tubes 320 is 3, wherein 1 pouring tube 320 is arranged in the middle of the movable die core 120, and the other 2 pouring tubes 320 are respectively arranged on two sides, so that the pouring efficiency is greatly improved.

Further, referring to fig. 4-5, the push plate 200 is provided with guide holes 210 at the periphery, and the guide posts 240 sequentially penetrate through the push plate 200 to achieve a guiding effect of the movement of the push plate 200.

The push plate 200 is provided with a positioning seat 220, the upper mold core is provided with a positioning hole corresponding to the positioning seat 220, and the push plate 200 and the upper mold core are positioned and fixed by matching the positioning seat 220 and the positioning hole.

In one embodiment, the positioning seat 220 is provided with a positioning hole, and the upper mold core is provided with a positioning rod corresponding to the positioning hole, so that the positioning and fixing of the push plate 200 and the upper mold core are realized through the cooperation of the positioning hole and the positioning rod.

Further, referring to fig. 6-7, a connection ring 230 is disposed in the push plate 200, and the push rod 250 is fixedly connected to the connection ring 230, so that the push plate 200 moves synchronously around.

Further, the number of the push rods 250 is 2, and the 2 push rods 250 are respectively arranged at two ends of the connecting ring 230 and fixedly connected, so that the connecting rods are uniformly stressed.

Further, the demoulding mechanism further comprises a large inclined top plate 410, an inclined top rod 420 is arranged in the large inclined top plate 410, and after the mould is opened, the inclined top rod 420 is driven by a hydraulic mechanism to move so as to realize the separation of the door cover.

The demolding mechanism further comprises a straight top plate 430, a straight ejector rod 440 is arranged in the straight top plate 430, the straight ejector rod 440 penetrates through the fixed die core 110 and the die core 130, one end of the straight ejector rod 440 is connected with the hydraulic mechanism, the other end of the straight ejector rod 440 is opposite to a car logo for machining the door cover, the straight ejector rod 440 is driven by the hydraulic mechanism to move, and then the car logo for machining the door cover is pushed, so that the car logo is separated from the door cover.

In one embodiment, referring to fig. 8, the demolding mechanism further comprises small inclined top plates 450, wherein the small inclined top plates 450 are uniformly distributed around the straight top plate 430 and used for removing the limitation around the processing door cover during demolding.

Above-mentioned a mould mechanism for zero offset processing of car door closure adopts the secondary ejecting when the drawing of patterns of mould processing, the ejection part is pushed up to one side in the first time, the second time is whole ejecting with the product through push pedal 200, and push pedal 200 is the overall design structure, better control door closure product typing offset, compare with the wholeness ability of other sectional type ejection structures good, the product atress is even when whole ejecting, non-deformable, and few with the double-layered line of product, mould processing, the precision can more be guaranteed in the mould of joining in marriage.

The above description is only a preferred embodiment of the present invention, and it is not intended to limit the scope of the present invention, and various modifications and changes may be made by those skilled in the art. Variations, modifications, substitutions, integrations and parameter changes of the embodiments may be made without departing from the principle and spirit of the utility model, which may be within the spirit and principle of the utility model, by conventional substitution or may realize the same function.

Claims

1. The mold mechanism for zero-offset machining of the automobile door cover is characterized by comprising a fixed mold core (110), a movable mold core (120), a molding cavity arranged between the fixed mold core (110) and the movable mold core (120), a mold core (130) arranged below the molding cavity, a cooling water pipe arranged on the inner side of the movable mold core (120) and the fixed mold core (110), a pouring gate (310) arranged above the movable mold, and a demolding mechanism for demolding;

the molding cavity is communicated with the pouring gate (310) through a pouring pipe (320), a mold core (130) is arranged below the molding cavity, and the mold core (130) is fixed in the fixed mold core (110);

the demolding mechanism comprises a push plate (200) and a push rod (250), wherein the push plate (200) is of an integral structure and is arranged around the molding cavity, and the push plate (200) is driven by the push rod (250) to move to complete demolding.

2. The die mechanism for zero offset machining of the automobile door cover according to claim 1, characterized in that guide holes (210) are formed in the periphery of the push plate (200), and guide posts (240) sequentially penetrate through the push plate (200) to realize the guide function of the movement of the push plate (200);

the push plate (200) is provided with a positioning seat (220), the upper die core is provided with a positioning hole corresponding to the positioning seat (220), and the push plate (200) and the upper die core are positioned and fixed through the matching of the positioning seat (220) and the positioning hole.

3. The mold mechanism for zero offset machining of the door of an automobile according to claim 1, wherein a connecting ring (230) is disposed in the push plate (200), and the push rod (250) is fixedly connected to the connecting ring (230) so that the push plate (200) moves synchronously around.

4. The die mechanism for zero-offset machining of the automobile door cover according to claim 1, wherein the number of the push rods (250) is 2, and the 2 push rods (250) are respectively arranged at two ends of the connecting ring (230) and fixedly connected, so that the connecting rods are uniformly stressed.

5. The mold mechanism for zero offset machining of the automobile door cover according to claim 1, wherein the demolding mechanism further comprises a large inclined top plate (410), an inclined ejecting rod (420) is arranged in the large inclined top plate (410), and the door cover is separated by driving the inclined ejecting rod (420) to move after the mold is opened.

6. The mold mechanism for zero offset machining of the automobile door cover according to claim 1, wherein the demolding mechanism further comprises a straight top plate (430), a straight ejector rod (440) is arranged in the straight top plate (430), the straight ejector rod (440) penetrates through the fixed mold core (110) and the mold core (130), a logo for machining the door cover is over against the straight ejector rod (440), and the logo for machining the door cover is pushed by driving the straight ejector rod (440) to move so as to realize separation of the logo and the door cover.

7. The mold mechanism for zero-offset machining of automobile door covers according to claim 6, characterized in that the demolding mechanism further comprises small inclined top plates (450), the small inclined top plates (450) are uniformly distributed around the straight top plate (430) and used for removing the limitation on the periphery of the machined door cover during demolding.

8. The mold mechanism for zero offset machining of an automobile door cover according to claim 1, wherein the pouring gate (310) is communicated with the molding cavity through pouring tubes (320), the number of the pouring tubes (320) is 3, wherein 1 pouring tube (320) is arranged in the middle of the movable mold core (120), and the other 2 pouring tubes (320) are respectively arranged on two sides, so that the pouring efficiency is greatly improved.

9. The mold mechanism for zero-offset machining of an automobile door cover according to claim 1, further comprising a hot runner mechanism, wherein the hot runner mechanism comprises a hot runner plate (510), a nozzle (520), and a temperature controller, and the hot runner plate (510) is disposed below the sprue gate (310) and above the movable mold core (120).

10. The mold mechanism for zero-offset machining of the automobile door cover according to claim 1, further comprising a hydraulic mechanism, wherein the hydraulic mechanism comprises 2 oil cylinders (610), oil pipes (620) and oil valves, and the 2 oil cylinders (610) are respectively arranged on two sides.