CN215703592U

CN215703592U - Automobile decoration lamp piece injection mold

Info

Publication number: CN215703592U
Application number: CN202120392641.1U
Authority: CN
Inventors: 谭伟; 王瑶; 马新良
Original assignee: Changzhou Haizhuo Precision Mold Co ltd
Current assignee: Changzhou Haizhuo Precision Mold Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2022-02-01
Anticipated expiration: 2031-02-23

Abstract

The utility model discloses an injection mold for automobile decorative lamp sheets, which has the technical scheme that: the die comprises a movable die plate and a fixed die plate, wherein a plurality of cores are fixedly arranged on the right side inside the movable die plate, a plurality of cavities are formed in the left side inside the fixed die plate, a heating channel is formed in the fixed die plate, a plurality of cooling water channels are formed in the fixed die plate, the right side of the fixed die plate is fixedly connected with a fixed die base plate, a heat insulation plate is fixedly connected to the right side of the fixed die plate, a plurality of same support nails are arranged at four corners of the fixed die base plate, a plurality of guide pillars are fixedly connected to the left side of the lower end of the fixed die plate, a plurality of guide sleeves are formed in the right side of the lower end of the movable die plate, a support plate is fixedly connected to the left side of the movable die plate, a plurality of cushion blocks are fixedly connected to the left side of the cushion blocks, a plurality of same push rods are fixedly connected to a push rod fixing plate, and a plurality of reset rods are fixedly connected to the middle of the push rod fixing plate; the utility model can produce a plurality of products at one time and can eliminate the occurrence of weld marks and deformation.

Description

Automobile decoration lamp piece injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold for automobile decorative lamp sheets.

Background

The injection mold is a tool for producing plastic products and is also a tool for endowing the plastic products with complete structures and accurate sizes; injection molding is a processing method used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

The automobile decorative lamp sheet is made of plastic, the number of decorative lamp sheets on an automobile is usually large, and the injection mold for manufacturing the automobile decorative lamp sheet in the prior art is few in lamp sheets produced at one time and low in production efficiency; meanwhile, in the injection molding process of the automobile decorative lamp piece, the molding temperature of a plastic part is not proper, and welding marks and deformation are easy to occur, so that the qualification rate of finished products is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and aims to provide an injection mold for automobile decorative lamp sheets, which can be used for producing a plurality of products at one time and can eliminate welding marks and deformation.

The technical purpose of the utility model is realized by the following technical scheme:

the automobile decorative lamp piece injection mold comprises a movable mold plate and a fixed mold plate, wherein a plurality of identical mold cores are fixedly arranged on the right side inside the movable mold plate, a plurality of identical mold cavities are formed in the left side inside the fixed mold plate, a heating channel is formed inside the fixed mold plate, a plurality of cooling water channels are formed inside the fixed mold plate, a fixed mold base plate is fixedly connected to the right side of the fixed mold plate, a heat insulation plate is fixedly connected to the right side of the fixed mold plate, a plurality of identical support nails are arranged at four corners of the fixed mold base plate, a positioning ring is arranged in the middle of the fixed mold base plate, a plurality of guide posts are fixedly connected to the left side of the lower end of the fixed mold plate, a plurality of guide sleeves are arranged on the right side of the lower end of the movable mold plate, a support plate is fixedly connected to the left side of the movable mold plate, a plurality of push plate guide posts are fixedly connected to the left side of the support plate, and a plurality of cushion blocks are fixedly connected to the left side of the support plate, the left side fixed connection movable mould bedplate of cushion, the movable mould bedplate is provided with a plurality of staple, the lower extreme fixed connection stop pin of movable mould bedplate, be provided with a plurality of push pedal guide pin bushings in the push pedal, a plurality of push pedal guide pillars of push pedal guide pin bushing sliding connection, the right side fixed connection push rod fixed plate of push pedal, a plurality of the same push rods of push rod fixed plate fixed connection, a plurality of release levers of middle part fixed connection of push rod fixed plate.

Furthermore, the heating channel is positioned between the flow channel and the heat insulation plate, the cooling water channel is positioned on two sides of the cavity, and the cooling water channel is directly communicated with two ends.

By adopting the technical scheme, the plastic can be always in a molten state in the runner in the injection molding process, so that cold materials are avoided, the plastic part is uniformly cooled and molded, and deformation is not easy to generate.

Furthermore, the left side of the push plate guide pillar is fixedly connected with the movable die base plate, the diameter value of the push plate guide pillar is not less than 25mm, and the push plate guide pillars are symmetrically arranged.

Through adopting above-mentioned technical scheme, be favorable to guaranteeing propelling movement and the return stroke that the push pedal can be balanced to guarantee that the ejector pin can not produce great deformation.

Further, the push rod is connected with the mold core in a sliding mode, and the exhaust passage is located between the push rod and the mold core.

By adopting the technical scheme, air in the cavity and the pouring system can be rapidly discharged in the injection molding process, and the plastic part molding is facilitated.

Furthermore, the reset rod is located in the middle of the push rod fixing plate and is in sliding connection with the supporting plate, and the reset rod is in sliding connection with the movable template.

By adopting the technical scheme, after the push rod pushes out the plastic part, the reset rod can reset the push rod during die assembly.

Further, the injection molding gate is a point gate.

By adopting the technical scheme, the sprue can be automatically broken when the mold is opened, and the automatic operation is facilitated.

In summary, the utility model mainly has the following beneficial effects:

1. the utility model discloses a, through setting up a plurality of the same cores and die cavity, can once forming many mould the piece in process of production, set up the release link and be used for reseing, the runner of moulding plastics is the point runner, is favorable to the automation mechanized operation, so can improve production efficiency.

2. The utility model discloses a, through setting up the heating channel, can make plastics be in the molten state all the time in the runner at the in-process of moulding plastics, avoid producing the cold burden, reduce and mould a weld mark, set up the cooling water course and can make and mould a cooling shaping under controllable temperature, avoid moulding a production deformation in the cooling process to improve the finished product qualification rate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a flow channel and heating channel layout of the present invention;

figure 4 is a schematic view of the core and cavity connection of the present invention.

In the figure: 1. moving the template; 2. a core; 3. a cavity; 4. fixing a template; 5. a support pin; 6. a heating channel; 7. a heat insulation plate; 8. positioning rings; 9. a fixed die base plate; 10. a cooling water channel; 11. a guide post; 12. A guide sleeve; 13. a support plate; 14. a movable mould seat plate; 15. a limit pin; 16. pushing the plate; 17. a reset lever; 18. a push rod fixing plate; 19. a push plate guide post; 20. a push plate guide sleeve; 21. a push rod; 22. fixing nails; 23. cushion blocks; 24. a flow channel; 25. an exhaust passage; 26. and (4) injection molding a sprue.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-4, an injection mold for automobile decorative lamp sheets comprises a movable mold plate 1 and a fixed mold plate 4, wherein eight identical mold cores 2 are arranged on the right side of the movable mold plate 1, eight identical mold cavities 3 are arranged on the left side of the fixed mold plate 4, a heating channel 6 is arranged inside the fixed mold plate 4, steam is filled in the heating channel 6, four cooling water channels 10 are arranged inside the fixed mold plate 4, a fixed mold base plate 9 is fixedly connected on the right side of the fixed mold plate 4, a heat insulation plate 7 is fixedly connected on the right side of the fixed mold plate 4, four identical support nails 5 are arranged at four corners of the fixed mold base plate 9, a positioning ring 8 is arranged in the middle of the fixed mold base plate 9, two guide posts 11 are fixedly connected on the left side of the fixed mold plate 4, two guide sleeves 12 are arranged on the right side of the movable mold plate 1, a support plate 13 is fixedly connected on the left side of the support plate 13, two push plate guide posts 19 are fixedly connected on the left side of the support plate 13, and two cushion blocks 23 are fixedly connected on the left side of the support plate 13, the left sides of the two cushion blocks 23 are fixedly connected with the movable die base plate 14, the movable die base plate 14 is provided with two fixing nails 22, the lower end of the movable die base plate 14 is fixedly connected with a limit nail 15, the push plate 16 is provided with two push plate guide sleeves 20, the two push plate guide sleeves 20 are slidably connected with two push plate guide pillars 19, the right side of the push plate 16 is fixedly connected with a push rod fixing plate 18, the push rod fixing plate 18 is fixedly connected with eight same push rods 21, and the middle part of the push rod fixing plate 18 is fixedly connected with two reset rods 17.

Referring to fig. 1 and 2, the heating passage 6 is located between the runner 24 and the heat insulating plate 7, the cooling water passage 10 is located at both sides of the cavity 3, and the cooling water passage 10 opens at both ends.

Referring to fig. 1 and 2, the left side of the push plate guide post 19 is fixedly connected to the movable die base plate 14, the diameter value of the push plate guide post 19 is not less than 25mm, and the two push plate guide posts 19 are symmetrically arranged.

Referring to fig. 1 and 4, the push rod 21 is slidably coupled to the core 2, and the exhaust passage 25 is located between the push rod 21 and the core 2.

Referring to fig. 1 and 2, a reset rod 17 is located in the middle of the push rod fixing plate 18, the reset rod 17 is slidably connected to the supporting plate 13, and the reset rod 17 is slidably connected to the movable die plate 1.

Referring to fig. 1 and 4, the injection gate 26 is a point gate.

When the mould is used and injection molding is carried out to close the mould, the movable mould plate 1 and the fixed mould plate 4 are closed under the positioning of the guide pillar 11 and the guide sleeve 12, and the fixed mould plate 4 pushes the reset rod 17 to reset the push-out mechanism in the closing process; during injection molding production, steam is introduced into the heating channel 6 to ensure that the plastic is always in a molten state in the runner 24, and the cooling water channel 10 can cool and mold the plastic part at a controllable temperature; when the mold is opened, the mold is opened from a parting surface, the plastic part is wrapped on the mold core 2 and moves leftwards along with the movable mold part to be separated from the mold cavity 3, after the plastic part moves for a certain distance, when an ejector rod of an injection machine contacts with the push plate 16, the push mechanism starts to act, and the push rod 21 pushes the plastic part to be separated from the mold core 2.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Automobile decoration lamp piece injection mold, including movable mould board (1) and fixed die plate (4), its characterized in that: the die comprises a movable die plate (1), a fixed die plate (4), a fixed die plate (7), a plurality of identical cores (2), a plurality of cooling water channels (10), a fixed die base plate (9), a fixed die plate (4), a plurality of guide posts (11), a plurality of guide sleeves (12), a plurality of cooling water channels (10), a fixed die base plate (9), a fixed die plate (7), a heat insulation plate (7), a plurality of identical support nails (5), a positioning ring (8), a plurality of guide posts (11), a plurality of guide sleeves (12), a supporting plate (13), a fixed die plate (1), the utility model discloses a push plate fixing device, including backup pad (13), a plurality of push plate guide pillars of left side fixed connection (19) of backup pad (13), a plurality of cushion (23) of left side fixed connection movable mould bedplate (14) of cushion (23), the upper end of movable mould bedplate (14) is provided with a plurality of staple (22), the lower extreme fixed connection stop pin (15) of movable mould bedplate (14), be provided with a plurality of push plate guide pin bushings (20) on the inside of push plate (16), a plurality of push plate guide pillars of push plate guide pin bushing (20) sliding connection (19), the right side fixed connection push rod fixed plate (18) of push plate (16), a plurality of the same push rod (21) of inside fixed connection of push rod fixed plate (18), a plurality of release link (17) of middle part fixed connection of push rod fixed plate (18).

2. The injection mold for automobile decorative lamp sheets according to claim 1, wherein: the heating channel (6) is located between the flow channel (24) and the heat insulation plate (7), the cooling water channel (10) is located on two sides of the cavity (3), and the cooling water channel (10) is directly communicated with two ends.

3. The injection mold for automobile decorative lamp sheets according to claim 1, wherein: the left side of the push plate guide post (19) is fixedly connected with a movable die base plate (14), the diameter value of the push plate guide post (19) is not less than 25mm, and the push plate guide posts (19) are symmetrically arranged.

4. The injection mold for automobile decorative lamp sheets according to claim 1, wherein: the push rod (21) is connected with the mold core (2) in a sliding mode, and the exhaust channel (25) is located between the push rod (21) and the mold core (2).

5. The injection mold for automobile decorative lamp sheets according to claim 1, wherein: reset lever (17) are located the middle part of push rod fixed plate (18), reset lever (17) sliding connection backup pad (13), reset lever (17) sliding connection movable mould board (1).