CN214645580U

CN214645580U - Large-scale automotive interior spare mould wide-angle large-stroke demoulding mechanism

Info

Publication number: CN214645580U
Application number: CN202120027469.XU
Authority: CN
Inventors: 钱科强
Original assignee: ZHEJIANG MOULD FACTORY
Current assignee: ZHEJIANG MOULD FACTORY
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-11-09
Anticipated expiration: 2031-01-06

Abstract

The utility model provides a large-scale automotive interior spare mould wide-angle large stroke demoulding mechanism belongs to the injection mold field. It includes the movable mould board, the movable mould board on be equipped with the core, the core keep away from being equipped with first recess, second recess and third recess on the terminal surface of movable mould board, first recess, second recess and third recess in all be connected with an oblique kicking block, three oblique kicking block is located the diapire of first recess, second recess and third recess respectively, first recess, second recess on and the third recess all be equipped with a plurality of top and mould plastics mouthful. Its advantage lies in that dry oblique kicking block can make in step that the part of moulding in first recess, second recess and the third recess moves together ejecting in-process, prevents to mould the distortion that the adhesion leads to on each recess, improves the product percent of pass.

Description

Large-scale automotive interior spare mould wide-angle large-stroke demoulding mechanism

Technical Field

The utility model belongs to the injection mold field especially relates to a large-angle large stroke demoulding mechanism of large-scale automotive interior spare mould.

Background

When manufacturing large-scale automotive interior spare, because the core that is used for the shaping to mould the piece is great longer, and surface structure is complicated, has a plurality of recesses. In the demolding process, as the plastic part is molded in the grooves, the plastic part has larger adhesive force with the grooves, and the surface area of the core is too large, so that the ejection force is insufficient or not uniformly distributed, the plastic part is easy to distort, the molding failure is caused, and the product yield is reduced.

For example, chinese patent document discloses a garbage can injection mold [ patent application No.: CN201922187226.8], which comprises a movable die and a fixed die, wherein the movable die is provided with a die core, the fixed die is provided with a die cavity, a die cavity for molding the garbage can is formed between the die core and the die cavity, and one side of the fixed die, which is back to the movable die, is provided with a pouring gate communicated with the die cavity; lie in the mold core root on the movable mould and be equipped with the subassembly of unloading, the subassembly of unloading is assembled and to be ejecting to the cover half place orientation with the garbage bin on the mold core when movable mould and cover half separation but because fashioned garbage bin length is higher, consequently and the shaping intracavity wall between the adhesion just very big, the ejecting mode of ejector pin that adopts traditional mode in drawing of patterns in-process leads to the garbage bin to break very easily to lead to the product percent of pass to reduce.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a large-angle large-stroke demoulding mechanism of large-scale automotive interior trim part mould is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a large-angle large-stroke demoulding mechanism of large-scale automotive interior spare mould, includes the movable mould board, the movable mould board on be equipped with the core, the core keep away from and be equipped with first recess, second recess and third recess on the terminal surface of movable mould board, first recess, second recess and third recess in all be connected with an oblique kicking block, three oblique kicking block is located the diapire of first recess, second recess and third recess respectively, first recess, second recess on and the third recess all be equipped with a plurality of top and mould plastics the mouth.

In the large-angle large-stroke demolding mechanism for the large-size automobile interior trim part mold, the second groove is located in the middle of the mold core, and the first groove and the second groove are respectively located at two ends of the mold core.

In the large-angle large-stroke demolding mechanism for the large-size automobile interior trim part mold, the end part of the mold core, which is far away from the movable mold plate, is provided with the top side, and the mold core is provided with a plurality of top side ejector rods which are sequentially arranged along the top side.

In the large-angle large-stroke demolding mechanism for the large-scale automobile interior trim part mold, the mold core is further provided with a plurality of groove outer ejector rods, and the plurality of groove outer ejector rods are matched with the top side ejector rod to respectively surround the first groove, the second groove and the third groove.

In the large-angle large-stroke demolding mechanism for the large-size automobile interior part mold, the first groove and the second groove are located on one side of the top edge, and the third groove is located on the other side of the top edge.

In the large-angle large-stroke demolding mechanism for the large-size automobile interior trim part mold, each top injection molding opening is connected with a top injection molding groove sunken into the core, and each top injection molding groove is connected with an injection molding ejector rod.

In the large-angle large-stroke demolding mechanism for the large-size automobile interior trim part mold, the first groove, the second groove and the third groove are internally connected with a plurality of groove inner ejector rods.

In the large-angle large-stroke demolding mechanism for the large-scale automobile interior trim part mold, the second groove is internally provided with three top injection molding ports and three top injection molding grooves, one of the top injection molding grooves is positioned in the middle of the second groove, and the two rest top injection molding grooves are respectively positioned at two ends of the second groove.

In the large-angle large-stroke demolding mechanism for the large-size automobile interior trim part mold, the end part of the mold core, which is close to the movable mold plate, is also connected with the bottom injection molding groove, and the bottom injection molding groove is positioned in the middle of the mold core.

In the large-angle large-stroke demolding mechanism for the large-size automobile interior trim part mold, the movable mold plate is provided with a plurality of positioning grooves.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses well oblique kicking block of a plurality of can make in step in ejecting in-process mould a part and remove together in first recess, second recess and the third recess, prevent to mould the distortion that an adhesion leads to on each recess, improve the product percent of pass.

2. The utility model discloses well three oblique kicking block distributes at the mid portion and the both ends of moulding, at ejecting in-process, makes the more even distribution of the ejection force that moulds the piece and receive on moulding, further prevents to mould a distortion, improves the product percent of pass.

Drawings

Fig. 1 is an overall schematic view of the present invention;

fig. 2 is a schematic view of the structure of the core.

In the figure: the injection molding device comprises a movable mold plate 10, a mold core 11, a first groove 12, a second groove 13, a third groove 14, an inclined ejector block 15, a top injection molding opening 16, a top edge 17, a top ejector rod 18, a groove outer ejector rod 19, a top injection molding groove 20, an injection molding ejector rod 21, a groove inner ejector rod 22, a bottom injection molding groove 23, a positioning groove 24 and an inclined rod 25.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-2, a large-angle large-stroke demolding mechanism for a large-sized automotive interior part mold comprises a movable mold plate 10, wherein a mold core 11 is arranged on the movable mold plate 10, a first groove 12, a second groove 13 and a third groove 14 are formed in the end face, far away from the movable mold plate 10, of the mold core 11, an inclined ejector block 15 is connected to the first groove 12, the second groove 13 and the third groove 14, the three inclined ejector blocks 15 are respectively located on the bottom walls of the first groove 12, the second groove 13 and the third groove 14, and a plurality of top injection molding openings 16 are formed in the first groove 12, the second groove 13 and the third groove 14.

In the embodiment, as the shape of the core 11 is large and complex, in order to prevent the plastic part from being distorted and deformed in the demolding process, the inclined ejecting blocks 15 are arranged in the first groove 12, the second groove 13 and the third groove 14, the inclined ejecting blocks 15 are connected with the inclined rods 25, the inclined ejecting blocks 15 can synchronously move the plastic parts in the first groove 12, the second groove 13 and the third groove 14 in the ejection process, so that the plastic parts are prevented from being adhered to the grooves and being distorted and deformed, in the injection molding process, the top injection molding openings 16 are arranged on the first groove 12, the second groove 13 and the third groove 14, and the injection molding speed is increased through synchronous injection molding of the top injection molding openings 16.

The second groove 13 is located in the middle of the core 11, and the first groove 12 and the second groove 13 are respectively located at two ends of the core 11.

In the embodiment, the three inclined ejecting blocks 15 are distributed in the middle part and two ends of the plastic part, so that the ejecting force applied to the plastic part is uniformly distributed on the plastic part in the ejecting process, and the plastic part is further prevented from being distorted and deformed.

The end of the core 11 far away from the movable mould plate 10 is provided with a top edge 17, and the core 11 is provided with a plurality of top side ejector rods 18 which are sequentially arranged along the top edge 17.

In this embodiment, because the core 11 is not only large in size, but also long, the core 11 is provided with a plurality of top side ejector rods 18 sequentially arranged along the top side 17, so that the top of the plastic part can be subjected to ejection force caused by the top side ejector rods 18 in the ejection process, the top of the plastic part can be separated from the core 11 in time due to the ejection force, and the plastic part is further prevented from being distorted and deformed.

The mold core 11 is further provided with a plurality of groove outer ejector rods 19, and the plurality of groove outer ejector rods 19 are matched with the top side ejector rod 18 to respectively surround the first groove 12, the second groove 13 and the third groove 14.

In this embodiment, the adhesion area between the parts of the plastic part formed in the first groove 12, the second groove 13 and the third groove 14 and the core 11 is large, and the generated adhesion force is also large, so that the adhesion force between the plastic part on these parts and the core 11 is the largest in the demolding process, and is also the position where the plastic part is most likely to be distorted and deformed, and therefore, in the ejection process, the plurality of groove outer ejector rods 19 can nail the plastic part formed in each groove, so that the plastic part can be further ensured to be smoothly separated from the adhesion state with each groove, and the plastic part is further prevented from being distorted and deformed.

The first indentation 12 and the second indentation 13 are located on one side of the top edge 17, and the third indentation 14 is located on the other side of the top edge.

In the embodiment, both sides of the plastic part can bear ejection force in the ejection process, and the ejection force of the left part and the ejection force of the right part of the plastic part are uniformly distributed, and the ejection force of the front part and the ejection force of the rear part of the plastic part are uniformly distributed.

Each top injection port 16 is connected to a top injection groove 20 recessed into the core 11, and each top injection groove 20 is connected to an injection ram 21.

In the present embodiment, during the injection process, the injection liquid flows into the plurality of top injection grooves 20 and is injected onto the core 11 through the top injection port 16, and after cooling, a part of the injection liquid remains in the plurality of top injection grooves 20 and is molded, and during the ejection process, the injection lift pins 21 can eject these excess parts.

The first groove 12, the second groove 13 and the third groove 14 are all internally connected with a plurality of groove inner mandrils 22.

In this embodiment, the adhesion area between the parts of the plastic part formed in the first groove 12, the second groove 13 and the third groove 14 and the core 11 is large, and the generated adhesion force is also large, so that the adhesion force between the plastic part on these parts and the core 11 is the largest in the demolding process, and is also the position where the plastic part is most likely to be distorted and deformed, and therefore, in the ejection process, the ejector rods 22 in the grooves can nail the plastic part formed in each groove, so that the plastic part can be further ensured to be smoothly separated from the adhesion state with each groove, and the plastic part is further prevented from being distorted and deformed.

Three top injection molding openings 16 and three top injection molding grooves 20 are formed in the second groove 13, one top injection molding groove 20 is located in the middle of the second groove 13, and the two remaining top injection molding grooves 20 are located at two ends of the second groove 13 respectively.

In this embodiment, the second groove 13 is larger than the first groove 12 and the third groove 14, so in order to increase the injection molding speed in the second groove 13, three top injection molding ports 16 are connected to the second groove 13 and evenly distributed in the second groove 13, so that the injection molding process is stable.

The end part of the core 11 close to the movable mould plate 10 is also connected with a bottom injection molding groove 23, and the bottom injection molding groove 23 is positioned in the middle of the core 11.

In this embodiment, the injection liquid also flows from the bottom injection groove 23 onto the core 11 in order to further speed up the injection process.

The movable mould plate 10 is provided with a plurality of positioning grooves 24.

In this embodiment, during mold closing, the fixed mold plate is provided with a plurality of positioning rods which can extend into the corresponding positioning grooves 24, so as to perform positioning and fixing functions.

The utility model discloses a theory of operation does: the stationary platen is brought into close proximity with the movable platen and the locating rods are extended into the corresponding locating slots 24 and the assembly is completed.

The injection molding liquid is injected into the first groove 12, the second groove 13 and the third groove 14 through the plurality of top injection molding ports 16, and simultaneously, the injection molding liquid flows onto the core 11 through the bottom injection molding groove 23, thereby rapidly completing the injection molding process on the core 11.

After cooling, the top side ejector rod 18, the groove outer ejector rod 19, the injection molding ejector rod 21, the groove inner ejector rod 22 and the inclined ejector block 15 synchronously move, so that the plastic part is smoothly separated from the adhesion state of each groove, and the plastic part is prevented from being distorted and deformed.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the movable die plate 10, the core 11, the first groove 12, the second groove 13, the third groove 14, the lifter block 15, the top injection molding opening 16, the top edge 17, the top side ejector pin 18, the groove outer ejector pin 19, the top injection molding groove 20, the injection molding ejector pin 21, the groove inner ejector pin 22, the bottom injection molding groove 23, the positioning groove 24, the lifter 25, etc., are used more herein, these terms are used only for the purpose of more conveniently describing and explaining the essence of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a large-scale automotive interior spare mould wide-angle large stroke demoulding mechanism, includes movable mould board (10), its characterized in that, movable mould board (10) on be equipped with core (11), core (11) keep away from and be equipped with first recess (12), second recess (13) and third recess (14) on the terminal surface of movable mould board (10), first recess (12), second recess (13) and third recess (14) in all be connected with one oblique kicking block (15), three oblique kicking block (15) are located the diapire of first recess (12), second recess (13) and third recess (14) respectively, first recess (12), second recess (13) on and third recess (14) all be equipped with a plurality of top and mould plastics mouth (16).

2. The large-angle large-stroke demolding mechanism for the large-size automobile interior part mold according to claim 1, wherein the second groove (13) is located in the middle of the mold core (11), and the first groove (12) and the second groove (13) are respectively located at two ends of the mold core (11).

3. The large-angle large-stroke demolding mechanism for the large-size automobile interior part mold according to claim 2, wherein a top edge (17) is arranged at the end part of the mold core (11) far away from the movable mold plate (10), and a plurality of top side ejector rods (18) are sequentially arranged on the mold core (11) along the top edge (17).

4. The large-angle large-stroke demolding mechanism for the large-size automobile interior trim part mold according to claim 3, wherein the core (11) is further provided with a plurality of groove outer ejector rods (19), and the plurality of groove outer ejector rods (19) are matched with the top side ejector rod (18) to respectively surround the first groove (12), the second groove (13) and the third groove (14).

5. The large-angle large-stroke demolding mechanism for the large-size automobile interior part mold according to claim 4, wherein the first groove (12) and the second groove (13) are located on one side of the top edge (17), and the third groove (14) is located on the other side of the top edge.

6. The large-angle large-stroke demolding mechanism for the large-size automobile interior trim part mold according to claim 5, wherein each top injection port (16) is connected with a top injection groove (20) sunken into the mold core (11), and each top injection groove (20) is connected with an injection ejector rod (21).

7. The large-angle large-stroke demolding mechanism for the large-size automobile interior trim part mold according to claim 6, wherein a plurality of groove inner ejector rods (22) are connected to the interiors of the first groove (12), the second groove (13) and the third groove (14).

8. The large-angle large-stroke demolding mechanism for the large-scale automotive interior trim part mold according to claim 7, wherein three top injection molding ports (16) and three top injection molding grooves (20) are arranged in the second groove (13), one of the top injection molding grooves (20) is located in the middle of the second groove (13), and the remaining two top injection molding grooves (20) are respectively located at two ends of the second groove (13).

9. The large-angle large-stroke demolding mechanism for the large-size automobile interior trim part mold according to claim 8, characterized in that a bottom injection molding groove (23) is further connected to the end part of the mold core (11) close to the movable mold plate (10), and the bottom injection molding groove (23) is located in the middle of the mold core (11).

10. The large-angle large-stroke demolding mechanism for the large-size automotive interior trim part mold according to claim 9, wherein a plurality of positioning grooves (24) are formed in the movable mold plate (10).