Injection molding device for hollow blade at air outlet of automobile air conditioner

Abstract

The utility model provides an injection molding device for a hollow blade at an air outlet of an automobile air conditioner, which comprises an upper mold core, a lower mold core and a cavity which is arranged between the upper mold core and the lower mold core and is used for molding the appearance of the blade, and further comprises a thin iron structure, the molten injection molding material can be uniformly injected from the two sides of the hollow groove forming sheet, so that the injection molding pressure on the two sides can be completely or partially offset, and the hollow groove forming sheet is prevented from being deformed in the thickness direction due to excessive single-side pressure; besides, the glue injection runner between the upper mold core and the lower mold core comprises the first runner and the second runner which are arranged at the two ends of the cavity respectively, and during injection molding, the first runner and the second runner can inject glue into the cavity from the two ends at the same time, so that the injection molding pressure at the two ends of the cavity in the length direction is completely or partially offset, and the injection molding efficiency is improved. The hollow groove forming sheet is prevented from deforming in the length direction, the injection molding speed is increased, and the production period is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection molding device for hollow blades of an automobile air-conditioning outlet. Background Art

[0002] Automobile air outlets generally include multiple sets of blades to control the direction of air outlet; among them, some blades are arranged in a long strip shape with hollow grooves therein, and the hollow grooves are used to cooperate with other structural parts to drive the movement of the blades.

[0003] During the injection molding process of the outlet blades, a thin iron structure needs to be set in the mold cavity so that the inner hollow groove in the blade can be formed by the thin iron structure; since the blade itself is thin in the shape of an elongated strip, the hollow groove inside it and the thin iron structure used to form the hollow groove are small in the thickness direction. When the molten injection material is injected into the cavity from one side of the cavity, the thin iron structure will be squeezed and deformed under the action of the higher injection pressure, which will lead to damage to the thin iron structure and a higher failure rate of injection molding of the blade. Utility Model Content

[0004] The problem to be solved by the utility model is to provide an injection molding structure of a hollow blade whose thin iron structure is not easily damaged and whose injection molding failure rate of the blade is low.

[0005] The technical solution adopted by the utility model to solve the above problems is: an injection molding device for hollow blades of automobile air-conditioning outlets, comprising:

[0006] Once the mold is on;

[0007] A lower mold core, wherein the lower mold core is arranged below the upper mold core;

[0008] a mold cavity, wherein the mold cavity is disposed between the upper mold core and the lower mold core;

[0009] a thin iron structure, wherein the thin iron structure is arranged on at least one side of the cavity so as to form a hollow groove in the blade; the thin iron structure comprises a thin iron structure comprising at least one hollow groove forming sheet; the hollow groove forming sheet is arranged in the middle position of the cavity in the thickness direction so that the molten injection molding material is evenly injected from both sides of the hollow groove forming sheet during injection molding; and

[0010] A glue injection channel, wherein the glue injection channel is arranged between the upper mold core and the lower mold core; the glue injection channel includes a first flow channel and a second flow channel; the first flow channel and the second flow channel are respectively arranged at two ends of the cavity.

[0011] Compared with the prior art, the utility model includes an upper mold core, a lower mold core and a cavity therebetween for forming the blade shape, and on this basis also includes a thin iron structure, wherein a hollow groove molding sheet for molding the blade hollow groove is arranged in the middle position in the thickness direction of the cavity, and when the molten injection molding material is injected into the cavity during injection molding, it can be evenly injected from both sides of the hollow groove molding sheet, so that the injection molding pressure on both sides can be completely or partially offset, thereby avoiding the hollow groove molding sheet from being deformed along the thickness direction due to excessive pressure on one side, so as to reduce the damage rate of the hollow groove molding sheet and improve the success rate of injection molding of the blade; in addition, the injection flow channel between the upper mold core and the lower mold core includes a first flow channel and a second flow channel, and they are respectively arranged at the two ends of the cavity. During injection molding, the first flow channel and the second flow channel can be injected into the cavity from both ends at the same time, so that the injection molding pressures at both ends of the cavity in the length direction are completely or partially offset, preventing the hollow groove molding sheet from being deformed along the length direction, and improving the injection molding speed and shortening the production cycle.

[0012] The utility model discloses an injection molding device for hollow blades of automobile air-conditioning outlets, wherein the mold cavities are arranged in two and are respectively arranged at left and right sides between the upper mold core and the lower mold core.

[0013] The utility model discloses an injection molding device for hollow blades of automobile air-conditioning outlets, wherein the thin iron structure comprises a first thin iron component and a second thin iron component; the first thin iron component and the second thin iron component are respectively arranged on both sides of the cavity.

[0014] The utility model discloses an injection molding device for hollow blades of automobile air-conditioning outlets, wherein the first thin iron component comprises a first thin iron base and a first side molding block arranged on the first thin iron base facing the side of the cavity; the first thin iron base is fixed to the lower mold core; and a plurality of hollow groove molding sheets are arranged at intervals along the length direction of the first side molding block.

[0015] The utility model discloses an injection molding device for hollow blades of automobile air-conditioning outlets, wherein the second thin iron component comprises a second thin iron base and a second side molding block arranged on the second thin iron base facing the side of the cavity; the second thin iron base is fixed to the lower mold core; a plurality of hollow groove molding sheets are arranged at intervals along the length direction of the second side molding block; the hollow groove molding sheets on the second side molding block are staggered with the hollow groove molding sheets on the first side molding block.

[0016] The utility model discloses an injection molding device for hollow blades of automobile air-conditioning outlets, wherein the lower mold core has two first fixing grooves arranged inside; and two first thin iron bases are respectively fixed in the first fixing grooves.

[0017] The utility model discloses an injection molding device for hollow blades of automobile air-conditioning outlets, wherein the lower mold core has two second fixing grooves arranged on two sides; and two second thin iron bases are respectively fixed in the second fixing grooves. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is an explosion diagram of the utility model;

[0020] Figure 3 It is an explosion diagram of the utility model;

[0021] Figure 4 It is a schematic diagram of the thin iron structure and the product forming;

[0022] Figure 5 This is a schematic diagram of the product model;

[0023] Figure 6 It is a schematic diagram of the structure of the hollow groove forming sheet. DETAILED DESCRIPTION

[0024] Before describing in detail any embodiment of the utility model, it should be understood that the utility model is not limited in its application to the construction and arrangement details of the components described below or illustrated in the following figures. The utility model can have other embodiments and can be practiced or carried out in various ways. In addition, it should be understood that the words and terms used here are for descriptive purposes and should not be considered restrictive. The use of "including" or "having" and its variations herein is intended to cover the items and their equivalents and additional items displayed below. Unless otherwise specified or limited, the terms "install", "connect", "support" and "couple" and their variations are widely used and cover direct installation and indirect installation, connection, support and connection. In addition, "connect" and "couple" are not limited to physical or mechanical connections or connections.

[0025] Furthermore, on the first aspect, in the disclosure of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore the above terms cannot be understood as limitations on the present invention; on the second aspect, the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" cannot be understood as a limitation on the quantity.

[0026] It should be understood by those skilled in the art that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.

[0027] The embodiments of the present utility model are further described below in conjunction with the accompanying drawings.

[0028] See also Figure 1-6 An injection molding mechanism for a hollow blade 6 is shown, comprising an upper mold core 1, a lower mold core 2, a cavity 3, a thin iron structure 4 and a glue injection channel 5; wherein the lower mold core 2 is arranged below the upper mold core 1; wherein the cavity 3 is arranged between the upper mold core 1 and the lower mold core 2; wherein the thin iron structure 4 is arranged on at least one side of the cavity 3 so as to form a hollow groove 61 in the blade 6; the thin iron structure 4 includes a thin iron structure 4 including at least one hollow groove molding sheet 41; the hollow groove molding sheet 41 is arranged in the middle position in the thickness direction of the cavity 3 so that the molten injection material is evenly injected from both sides of the hollow groove molding sheet 41 during injection molding; wherein the glue injection channel 5 is arranged between the upper mold core 1 and the lower mold core 2; the glue injection channel 5 includes a first channel 51 and a second channel 52; the first channel 51 and the second channel 52 are respectively arranged at both ends of the cavity 3.

[0029] See also Figure 5 , Figure 5 What is shown is a schematic diagram of the model of the air outlet blade 6 ; wherein the blade 6 is provided with a plurality of hollow grooves 61 of smaller thickness at intervals along its length direction; according to different requirements, the hollow grooves 61 can be provided on both sides of the blade 6 .

[0030] In actual use, the utility model includes an upper mold core 1, a lower mold core 2 and a cavity 3 between the two for forming the outer shape of the blade 6, and on this basis also includes a thin iron structure 4, wherein a hollow groove forming sheet 41 for forming the hollow groove 61 is arranged in the middle position of the cavity 3 in the thickness direction. When the molten injection molding material is injected into the cavity 3 during injection molding, it can be injected evenly from both sides of the hollow groove forming sheet 41, so that the injection molding pressure on both sides can be completely or partially offset, thereby avoiding deformation along the thickness direction due to excessive pressure on one side of the hollow groove forming sheet 41. , so as to reduce the damage rate of the hollow groove molding sheet 41 and improve the success rate of injection molding of the blade 6; in addition, the injection channel 5 between the upper mold core 1 and the lower mold core 2 includes a first channel 51 and a second channel 52, which are respectively arranged at the two ends of the cavity 3. During injection molding, the first channel 51 and the second channel 52 can be injected into the cavity 3 from both ends at the same time, so that the injection pressure at both ends of the cavity 3 in the length direction is fully or partially offset, preventing the hollow groove molding sheet 41 from deforming along the length direction, and improving the injection molding speed and shortening the production cycle.

[0031] Please continue reading Figure 2 , Figure 3 , wherein the number of cavities 3 is two, and they are respectively arranged at the left and right sides between the upper mold core 1 and the lower mold core 2; under this arrangement, a set of upper mold core 1 and lower mold core 2 can form two blades 6 at one time, which is beneficial to improving mold utilization and product efficiency.

[0032] Please continue reading Figure 2 , Figure 3 , Figure 4 , wherein the thin iron structure 4 includes a first thin iron component 42 and a second thin iron component 43; the first thin iron component 42 and the second thin iron component 43 are respectively arranged on both sides of the cavity 3.

[0033] By disposing the first thin iron component 42 and the second thin iron component 43 , the utility model can form the hollow grooves 61 disposed on both sides of the blade 6 in one step.

[0034] Please continue reading Figure 3 , wherein the first thin iron component 42 includes a first thin iron base 421 and a first side forming block 422 arranged on the side of the first thin iron base 421 facing the cavity 3; the first thin iron base 421 is fixed to the lower mold core 2; and a plurality of hollow groove forming sheets 41 are arranged at intervals along the length direction of the first side forming block 422.

[0035] Specifically, since the hollow groove molded sheet 41 is relatively small in the thickness direction, it is easiest to deform during the injection molding process. When the hollow groove molded sheet 41 is set on the first side molding block 422 with a larger thickness, the first side molding block 422 can provide a stable connection to the hollow groove molded sheet 41 and share the pressure of high-pressure injection molding, so that the hollow groove molded sheet 41 is not easy to deform.

[0036] Please continue reading Figure 3 , Figure 6 , wherein the second thin iron component 43 includes a second thin iron base 431 and a second side forming block 432 arranged on the second thin iron base 431 facing the mold cavity 3; the second thin iron base 431 is fixed to the lower mold core 2; a plurality of hollow groove forming sheets 41 are arranged at intervals along the length direction of the second side forming block 432; the hollow groove forming sheets 41 on the second side forming block 432 are alternately arranged with the hollow groove forming sheets 41 on the first side forming block 422.

[0037] Specifically, since the hollow groove molded sheet 41 is relatively small in the thickness direction, it is easiest to deform during the injection molding process. When the hollow groove molded sheet 41 is arranged on the second side molding block 432 with a larger thickness, the second side molding block 432 can provide a stable connection to the hollow groove molded sheet 41 and share the pressure of high-pressure injection molding, so that the hollow groove molded sheet 41 is not easily deformed.

[0038] Please continue reading Figure 3 , Figure 4 , wherein the lower mold core 2 has two first fixing grooves 21 arranged inside; two first thin iron bases 421 are respectively fixed in the first fixing grooves 21; through the setting of the first fixing grooves 21, the first thin iron base 421 has a stable connection, so as to provide stable support and share pressure to the first side molding block 422 and the multiple hollow groove molding sheets 41 arranged on the first side molding block 422 during high-pressure injection molding, so that the first side molding block 422 can stably mold one side of the blade 6, and the hollow groove molding sheet 41 can stably mold the hollow groove 61.

[0039] Please continue reading Figure 3 , Figure 4, wherein the lower mold core 2 has two second fixing grooves 22 arranged on both sides; the two second thin iron bases 431 are respectively fixed in the second fixing grooves 22; through the setting of the second fixing grooves 22, the second thin iron base 431 has a stable connection, so as to provide stable support and share pressure to the second side molding block 432 and the multiple hollow groove molding sheets 41 arranged on the second side molding block 432 during high-pressure injection molding, so that the second side molding block 432 can stably mold the other side of the blade 6, and the hollow groove molding sheet 41 can stably mold the hollow groove 61.

[0040] The above description is only for the best embodiment of the utility model, but it cannot be understood as a limitation of the claims. The utility model is not limited to the above embodiments, and its specific structure is allowed to be changed. All changes made within the protection scope of the independent claims of the utility model are within the protection scope of the utility model.

Claims

1. An injection molding device for hollow blades of automobile air-conditioning outlets, characterized in that: include:

1. Upper mold core(1); a lower mold core (2), wherein the lower mold core (2) is arranged below the upper mold core (1); A mold cavity (3), wherein the mold cavity (3) is arranged between the upper mold core (1) and the lower mold core (2); a thin iron structure (4), wherein the thin iron structure (4) is arranged on at least one side of the mold cavity (3) so as to form a hollow groove in the blade; the thin iron structure (4) comprises a thin iron structure (4) comprising at least one hollow groove forming sheet (41); the hollow groove forming sheet (41) is arranged at a middle position in the thickness direction of the mold cavity (3) so that during injection molding, molten injection molding material is evenly injected from both sides of the hollow groove forming sheet (41); and A glue injection channel (5), wherein the glue injection channel (5) is arranged between the upper mold core (1) and the lower mold core (2); the glue injection channel (5) comprises a first channel (51) and a second channel (52); the first channel (51) and the second channel (52) are respectively arranged at two ends of the cavity (3).

2. The injection molding device for hollow blades of automobile air-conditioning outlets according to claim 1 is characterized in that: The mold cavities (3) are provided in two numbers and are respectively arranged at left and right sides between the upper mold core (1) and the lower mold core (2).

3. The injection molding device for hollow blades of automobile air-conditioning outlets according to claim 1 is characterized in that: The thin iron structure (4) comprises a first thin iron component (42) and a second thin iron component (43); the first thin iron component (42) and the second thin iron component (43) are respectively arranged on both sides of the mold cavity (3).

4. The injection molding device for hollow blades of automobile air-conditioning outlets according to claim 3 is characterized in that: The first thin iron component (42) comprises a first thin iron base (421) and a first side forming block (422) arranged on the first thin iron base (421) facing the mold cavity (3); the first thin iron base (421) is fixed to the lower mold core (2); and a plurality of the hollow groove forming sheets (41) are arranged at intervals along the length direction of the first side forming block (422).

5. The injection molding device for hollow blades of automobile air-conditioning outlets according to claim 4 is characterized in that: The second thin iron component (43) comprises a second thin iron base (431) and a second side forming block (432) arranged on the second thin iron base (431) facing the mold cavity (3); the second thin iron base (431) is fixed to the lower mold core (2); a plurality of hollow groove forming sheets (41) are arranged at intervals along the length direction of the second side forming block (432); the hollow groove forming sheets (41) on the second side forming block (432) and the hollow groove forming sheets (41) on the first side forming block (422) are arranged alternately.

6. The injection molding device for hollow blades of automobile air-conditioning outlets according to claim 4 is characterized in that: The lower mold core (2) has two first fixing grooves (21) arranged inside; the two first thin iron bases (421) are respectively fixed in the first fixing grooves (21).

7. The injection molding device for hollow blades of automobile air-conditioning outlets according to claim 5, characterized in that: The lower mold core (2) has two second fixing grooves (22) arranged on both sides; the two second thin iron bases (431) are respectively fixed in the second fixing grooves (22).

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