CN211993898U

CN211993898U - Double-colored injection mold of tail lamp decoration circle

Info

Publication number: CN211993898U
Application number: CN201922476538.0U
Authority: CN
Inventors: 罗志华
Original assignee: Hubei Liangcheng Auto Parts Co ltd
Current assignee: Hubei Liangcheng Auto Parts Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-24
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a double-shot injection mold of tail lamp decorations circle, including base, lower mould and last mould, the equal fixed mounting in both sides at base top has the curb plate, two are passed through at the top of base curb plate fixed mounting has the roof, the intermediate position department fixed mounting of roof bottom has the cylinder, the output of cylinder is provided with pneumatic telescopic link, it is in to go up mould fixed mounting pneumatic telescopic link's bottom, the top fixed mounting of base has four stands, the top of base is through four stand fixed mounting has the workstation, lower mould fixed mounting is in the top of workstation, the inside of lower mould is provided with the shaping die cavity, it is located directly over the lower mould to go up the mould, go up the inside both sides of mould and all seted up the hole of moulding plastics, two the top in hole of moulding plastics all is provided with the connecting piece. The utility model discloses a set up a series of structures and make this device prevent that the material from spilling over and the characteristics that the leakproofness is good.

Description

Double-colored injection mold of tail lamp decoration circle

Technical Field

The utility model belongs to the technical field of automobile tail lamp decorations circle manufacturing, concretely relates to double-colored injection mold of tail lamp decorations circle.

Background

The automobile tail lamp decoration ring is a mounting part which is arranged at an automobile tail lamp and used for decoration and sealing, and in the production process of the automobile tail lamp decoration ring, in order to improve the production quality of the automobile tail lamp decoration ring, double-shot injection molding is generally adopted, wherein the double-shot injection molding refers to injection molding of two different materials into the same set of mold, so that the molding process that parts which are subjected to injection molding are formed by the two materials is realized. Some two materials are different in color, and some materials are different in hardness, so that the attractiveness, assembly and other performances of the product are improved.

Current double-colored injection mold is at the in-process of in-service use, after moulding plastics, the mould is closing the in-process of punching press at carrying out the lid, and the inside pressure of shaping die cavity increases, makes the inside material of shaping die cavity to spill over when the punching press easily, not only leads to the waste of material easily, easily leads to producing on the product after the shaping blank, and the later stage is cleared up the back trouble, consequently, we have proposed the double-colored injection mold solution problem of a taillight decorative ring in order to solve this a series of problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-shot injection mold of tail lamp decoration circle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a double-colored injection mold of tail lamp decorations circle, includes base, lower mould and last mould, the equal fixed mounting in both sides at base top has the curb plate, two are passed through at the top of base curb plate fixed mounting has the roof, the intermediate position department fixed mounting of roof bottom has the cylinder, the output of cylinder is provided with pneumatic telescopic link, it is in to go up mould fixed mounting pneumatic telescopic link's bottom, the top fixed mounting of base has four stands, the top of base is through four stand fixed mounting has the workstation, lower mould fixed mounting be in the top of workstation, the inside of lower mould is provided with the shaping die cavity, it is located directly over the lower mould, go up the inside both sides of mould and all seted up the hole of moulding plastics, two the top of moulding plastics the hole all is provided with the connecting piece.

Preferably, a first cavity and a second cavity are arranged in each of the two injection molding holes, and the second cavity is located right above the first cavity.

Preferably, the inner diameter of the second cavity is gradually reduced from bottom to top, and the inner diameter of the first cavity is equal to the inner diameter of the bottom end of the second cavity.

Preferably, an annular mounting table is arranged on the inner side of the first cavity, and a mounting rod is arranged on the inner side of the annular mounting table.

Preferably, a spring is installed at the top of the installation rod, and a blocking ball is arranged at the top of the spring.

Preferably, the two ends of the bottom of the upper die are both provided with a lug.

Preferably, both ends of the top of the lower die are provided with grooves.

Preferably, a rubber pad is arranged inside the groove.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a pipe of will moulding plastics is connected with two sets of connecting pieces respectively, make and to mould plastics two-sidedly, then pour into the raw materials into to the inside moulded die cavity of lower mould, when pouring into the raw materials, the inside pressure of first cavity is greater than the inside pressure of second cavity, and then make stifled ball compression spring, make stifled ball move down, the material can get into the inside of first cavity through the second cavity, and then get into the inside of shaping die cavity again, after the completion of moulding plastics, when filling pressure to the inside of shaping die cavity again, the inside pressure of shaping die cavity risees, the inside pressure of first cavity is greater than the inside pressure of second cavity this moment, make stifled ball shift up, plug up the second cavity, thereby can effectually prevent that the material from overflowing from the department of moulding.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention;

FIG. 2 is an enlarged view of the present invention at A in FIG. 1;

fig. 3 is an enlarged view of the present invention at B in fig. 1.

Shown in the figure: 1. a base; 2. a column; 3. a work table; 4. a lower die; 5. molding a mold cavity; 6. a side plate; 7. an upper die; 8. a pneumatic telescopic rod; 9. a cylinder; 10. a top plate; 11. a connecting member; 12. blocking the ball; 13. mounting a rod; 14. a first cavity; 15. an annular mounting table; 16. a spring; 17. a second cavity; 18. a bump; 19. a groove; 20. a rubber pad; 21. and (5) injection molding holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention provides a technical solution of a double-shot injection mold for a tail lamp decoration ring, which includes a base 1, lower mould 4 and last mould 7, the equal fixed mounting in both sides at base 1 top has curb plate 6, there is roof 10 at base 1's top through two 6 fixed mounting of curb plates, the intermediate position department fixed mounting of roof 10 bottom has cylinder 9, the output of cylinder 9 is provided with pneumatic telescopic rod 8, go up mould 7 fixed mounting in pneumatic telescopic rod 8's bottom, base 1's top fixed mounting has four stands 2, base 1's top is through four 2 fixed mounting of stands 3, 4 fixed mounting at the top of workstation 3 on the lower mould, 4's inside of lower mould is provided with shaping die cavity 5, it is located lower mould 4 directly over to go up mould 7, mould 7 inside both sides of going up mould 7 and all seted up injection molding hole 21, the top of two injection molding hole 21 all is provided with.

In this embodiment, the first cavity 14 and the second cavity 17 are disposed inside the two injection molding holes 21, the second cavity 17 is located right above the first cavity 14, the inner diameter of the second cavity 17 is gradually reduced from bottom to top, and the inner diameter of the first cavity 14 is equal to the inner diameter of the bottom end of the second cavity 17. An annular mounting table 15 is arranged on the inner side of the first cavity 14, a mounting rod 13 is arranged on the inner side of the annular mounting table 15, a spring 16 is arranged on the top of the mounting rod 13, and a blocking ball 12 is arranged on the top of the spring 16.

In this embodiment, the both ends of going up mould 7 bottom all are provided with lug 18, and the both ends at lower mould 4 top all are seted up fluted 19 for go up mould 7 and lower mould 4 at the pressfitting in-process, the compactness of pressfitting is strong, and the inside of recess 19 is provided with rubber pad 20, and the leakproofness is good when making go up mould 7 and lower mould 4 pressfitting.

The utility model discloses a theory of operation does: before the device is used, the safety of each structure of the device is checked firstly, the pneumatic telescopic rod 8 is driven to stretch by the cylinder 9 to ensure that the upper die 7 moves downwards, the upper die 7 and the lower die 4 are pressed, the lug 18 enters the inner cavity of the groove 19, the rubber pad 20 is arranged inside the groove 19 to ensure good sealing performance, the injection molding pipe is respectively connected with the two groups of connecting pieces 11 to ensure double-color injection molding, then raw materials are injected into the molding die cavity 5 inside the lower die 4, when the raw materials are injected, the pressure inside the first cavity 14 is greater than the pressure inside the second cavity 17, and then the blocking ball 12 compresses the spring 16 to ensure that the blocking ball 12 moves downwards, the materials can enter the first cavity 14 through the second cavity 17 and then enter the molding die cavity 5, when the inside of the molding die cavity 5 is pressurized after the injection molding is finished, the pressure inside the molding die cavity 5 rises, at this time, the pressure inside the first cavity 14 is greater than the pressure inside the second cavity 17, so that the blocking ball 12 moves upwards to block the second cavity 17, thereby effectively preventing the material from overflowing from the injection hole 21.

It is 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, 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 invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a double-shot injection mold of tail lamp decoration circle, includes base (1), lower mould (4) and last mould (7), its characterized in that: the die is characterized in that side plates (6) are fixedly mounted on two sides of the top of the base (1), a top plate (10) is fixedly mounted on the top of the base (1) through two side plates (6), a cylinder (9) is fixedly mounted at the middle position of the bottom of the top plate (10), a pneumatic telescopic rod (8) is arranged at the output end of the cylinder (9), an upper die (7) is fixedly mounted at the bottom end of the pneumatic telescopic rod (8), four stand columns (2) are fixedly mounted on the top of the base (1), a workbench (3) is fixedly mounted on the top of the base (1) through the four stand columns (2), a lower die (4) is fixedly mounted at the top of the workbench (3), a forming die cavity (5) is arranged inside the lower die (4), the upper die (7) is located right above the lower die (4), injection molding holes (21) are formed in two sides of the inner part of the upper die (7, and the top ends of the two injection molding holes (21) are provided with connecting pieces (11).

2. The two-color injection mold for a tail lamp trim ring according to claim 1, wherein: a first cavity (14) and a second cavity (17) are arranged in each of the two injection molding holes (21), and the second cavity (17) is located right above the first cavity (14).

3. The two-color injection mold for a tail lamp trim ring as set forth in claim 2, wherein: the inner diameter of the second cavity (17) is gradually reduced from bottom to top, and the inner diameter of the first cavity (14) is equal to the inner diameter of the bottom end of the second cavity (17).

4. The two-color injection mold for a tail lamp trim ring as set forth in claim 2, wherein: an annular mounting table (15) is arranged on the inner side of the first cavity (14), and a mounting rod (13) is arranged on the inner side of the annular mounting table (15).

5. The two-color injection mold for a tail lamp trim ring as set forth in claim 4, wherein: the top of installation pole (13) is installed spring (16), the top of spring (16) is provided with stifled ball (12).

6. The two-color injection mold for a tail lamp trim ring according to claim 1, wherein: and the two ends of the bottom of the upper die (7) are provided with lugs (18).

7. The two-color injection mold for a tail lamp trim ring according to claim 1, wherein: grooves (19) are formed in the two ends of the top of the lower die (4).

8. The two-color injection mold for a tail lamp trim ring according to claim 7, wherein: a rubber pad (20) is arranged in the groove (19).