Automobile front combined lamp decoration frame injection mold with multi-sliding-block sequential core pulling mechanism
Through the multi-slider sequential core extraction mechanism and the bundled pipeline connection structure, the problem of messy external connection of the cooling pipeline of the injection mold of the front combination lighting frame in the automobile is solved, and the orderly connection of the cooling pipeline and the clean mold is achieved.
Patent Information
- Application Number
- CN202421999667.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-08-19
AI Technical Summary
The cooling pipelines of the existing front combination lighting frame injection molds are loose and messy, resulting in the external lines of the molds being messy.
The multi-slider sequential core extraction mechanism is adopted, combined with the clustered pipeline connection structure, and the internal and external core extraction mechanism and the multi-slider ejection mechanism realize automatic core extraction and product sequential ejection, and the cluster is used to connect the cooling pipeline to reduce the number of external pipes.
The orderly connection of the cooling pipelines in the mold is realized, avoiding the scattered external lines, and improving production efficiency and mold cleanliness.
Smart Images

Figure CN223131276U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of molds, and relates to an injection mold for an automotive front combination lamp housing with a multi-slider sequential core-pulling mechanism. Background Art
[0002] Automotive front combination lamp housings are generally injection-molded. Generally, a large number of cooling pipelines are arranged inside the injection mold for automotive front combination lamp housings. After the injection liquid is injected, the coolant is input into the cooling pipelines through external pipelines. However, in the prior art, each cooling pipeline needs to be externally connected to an external pipeline, and the pipelines outside the mold are loose and messy.
[0003] For example, a Chinese patent discloses an injection mold for an automotive rear lamp housing [Application No.: 202323273473.2], which includes an installation box. The top of the installation box is hermetically clamped with a top cover. A mold box is clamped inside the installation box. A mold groove is opened at the top of the mold box. A scraping assembly for scraping off the excess mold material at the top of the mold groove is arranged at the top of the installation box. The scraping assembly includes a plurality of rectangular guide rails fixedly connected to the top of the installation box. The same moving plate is slidably connected to the tops of the plurality of rectangular guide rails. A scraping blade is fixedly connected to the bottom of the moving plate. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the above problems and provide an injection mold for an automotive front combination lamp housing with a multi-slider sequential core-pulling mechanism.
[0005] To achieve the above purpose, the utility model adopts the following technical solutions:
[0006] An injection mold for an automotive front combination lamp housing with a multi-slider sequential core-pulling mechanism includes a lower template. Two molding cavities are arranged on the lower template. An inner core-pulling mechanism is arranged inside the molding cavity. An outer core-pulling mechanism is arranged outside the molding cavity. The inner core-pulling mechanism and the outer core-pulling mechanism are arranged opposite to each other. Two multi-slider ejecting mechanisms are arranged on the lower side of the lower template, and the two multi-slider ejecting mechanisms are respectively connected to the two molding cavities. A plurality of cooling pipelines are also arranged inside the lower template. A bundled pipeline connection structure connected to the liquid inlet and outlet ends of the plurality of cooling pipelines is arranged on both sides of the lower template.
[0007] In the above injection mold for an automotive front combination lamp housing with a multi-slider sequential core-pulling mechanism, the bundled pipeline connection structure includes four bundlers fixedly arranged on both sides of the lower template. A plurality of external pipeline connection ports are centrally arranged on the bundler. A plurality of connection pipelines connected to the cooling pipelines are also arranged on the bundler.
[0008] In the above-mentioned injection mold for the front combination lamp housing of an automobile with a multi-slider sequential core-pulling mechanism, the outer core-pulling mechanism includes four outer inserts slidably arranged on the lower template, and the inner ends of the outer inserts are inserted into the molding cavity.
[0009] In the above-mentioned injection mold for the front combination lamp housing of an automobile with a multi-slider sequential core-pulling mechanism, the outer core-pulling mechanism further includes an outer driving rod obliquely arranged at the bottom of the upper template, and the bottom of the outer driving rod is inserted into the outer insert and is slidably matched with the outer insert.
[0010] In the above-mentioned injection mold for the front combination lamp housing of an automobile with a multi-slider sequential core-pulling mechanism, the inner core-pulling mechanism includes two inner inserts slidably arranged on the lower template, and the ends of the inner inserts are inserted into the molding cavity.
[0011] In the above-mentioned injection mold for the front combination lamp housing of an automobile with a multi-slider sequential core-pulling mechanism, the inner core-pulling mechanism further includes an inner driving rod obliquely arranged at the bottom of the upper template, and the bottom of the inner driving rod is inserted into the inner insert and is slidably matched with the inner insert.
[0012] In the above-mentioned injection mold for the front combination lamp housing of an automobile with a multi-slider sequential core-pulling mechanism, a bottom plate is arranged on the lower side of the lower template, and two jacking channels are separated by a plurality of support seats on the bottom plate. The multi-slider ejecting mechanism includes a top plate arranged in the jacking channel, a multi-slider ejecting structure is arranged on the top plate, and a lifting component is further arranged on the bottom plate.
[0013] In the above-mentioned injection mold for the front combination lamp housing of an automobile with a multi-slider sequential core-pulling mechanism, the lifting component includes a lifting driver vertically fixed on the top plate, and the end of the output shaft of the lifting driver penetrates through the top plate and is fixedly connected with the bottom plate.
[0014] In the above-mentioned injection mold for the front combination lamp housing of an automobile with a multi-slider sequential core-pulling mechanism, the multi-slider ejecting structure includes a plurality of vertically arranged straight ejector rods and a straight ejecting structure.
[0015] In the above-mentioned injection mold for the front combination lamp housing of an automobile with a multi-slider sequential core-pulling mechanism, the straight ejecting structure includes a plurality of straight ejecting blocks, the straight ejecting blocks are connected to the top plate through ejector rods, and the straight ejecting blocks are detachably connected to the ejector rods through bolts.
[0016] Compared with the existing technology, the advantages of the present utility model are as follows:
[0017] 1. Two forming cavities on the lower template can form two decorative frames in one injection molding. The inner core-pulling mechanism and the outer core-pulling mechanism can automatically perform core-pulling during mold opening. Two independent multi-slider ejection mechanisms are arranged on the lower side of the lower template to eject the products in the two forming cavities respectively, enabling the two products to be ejected sequentially, which is convenient for the staff to take out one by one. The bundled pipeline connection structure can connect a large number of cooling pipelines, and a small number of external pipelines can be connected to input coolant into all the cooling pipelines to prevent the wires outside the mold from being scattered.
[0018] 2. A total of four collectors on both sides of the lower template can connect all the cooling pipelines. The external pipelines are connected to the collectors through the connecting pipelines arranged on the collectors. Only a small number of external pipelines need to be set to input coolant into all the cooling pipelines to prevent the wires outside the mold from being scattered.
[0019] Other advantages, objectives and features of the present utility model will be partially reflected by the following description and partially understood by those skilled in the art through the research and practice of the present utility model. Brief Description of the Drawings
[0020] Figure 1 is the external structure schematic diagram of the lower template;
[0021] Figure 2 is the internal structure schematic diagram of the lower template;
[0022] Figure 3 is the partial structure schematic diagram of the present utility model;
[0023] Figure 4 is the structure schematic diagram of the multi-slider ejection mechanism.
[0024] In the figure, lower template 1, forming cavity 2, inner core-pulling mechanism 3, outer core-pulling mechanism 4, multi-slider ejection mechanism 5, cooling pipeline 6, bundled pipeline connection structure 7, collector 8, external pipeline connection port 9, connecting pipeline 10, outer insert block 11, outer driving rod 12, inner insert block 13, inner driving rod 14, bottom plate 15, top plate 16, lifting drive 17, straight ejector rod 18, straight ejector block 19. Detailed Description of the Preferred Embodiment
[0025] As Figures 1-4As shown in the figure, an injection mold for an automotive front combination lamp housing with a multi-slider sequential core-pulling mechanism includes a lower template 1. Two molding cavities 2 are provided on the lower template 1. An inner core-pulling mechanism 3 is arranged inside the molding cavity 2, and an outer core-pulling mechanism 4 is arranged outside the molding cavity 2. The inner core-pulling mechanism 3 and the outer core-pulling mechanism 4 are arranged opposite to each other. Two multi-slider ejection mechanisms 5 are provided on the lower side of the lower template 1, and the two multi-slider ejection mechanisms 5 are respectively connected to the two molding cavities 2. A number of cooling pipelines 6 are also provided inside the lower template 1, and a bundled pipeline connection structure 7 connected to the liquid inlet and outlet ends of the number of cooling pipelines 6 is provided on both sides of the lower template 1.
[0026] In the present utility model, the two molding cavities on the lower template 1 can form two lamp housings by one-time injection molding. The inner core-pulling mechanism 3 and the outer core-pulling mechanism 4 can automatically perform core-pulling during mold opening. Two independent multi-slider ejection mechanisms are provided on the lower side of the lower template to respectively eject the products in the two molding cavities, enabling the two products to be ejected sequentially, which is convenient for the staff to take out one by one. The bundled pipeline connection structure 7 can connect a large number of cooling pipelines, and only a small number of external pipelines need to be connected to input coolant into all the cooling pipelines to prevent the wires outside the mold from being scattered.
[0027] Specifically, the bundled pipeline connection structure 7 includes four bundlers 8 fixedly arranged on both sides of the lower template 1 in pairs. A number of external pipeline connection ports 9 are centrally arranged on the bundlers 8, and a number of connection pipelines 10 connected to the cooling pipelines 6 are also provided on the bundlers 8. A total of four bundlers on both sides of the lower template can connect all the cooling pipelines. The external pipelines are connected to the bundlers through the connection pipelines arranged on the bundlers, and only a small number of external pipelines need to be connected to input coolant into all the cooling pipelines to prevent the wires outside the mold from being scattered.
[0028] Specifically, the outer core-pulling mechanism 4 includes four outer inserts 11 slidably arranged on the lower template 1. The inner ends of the outer inserts 11 are inserted into the molding cavity 2. The outer core-pulling mechanism 4 further includes an outer driving rod 12 inclined at the bottom of the upper template. The bottom of the outer driving rod 12 is inserted into the outer insert 11 and is slidably matched with the outer insert 11. During mold opening, when the upper template moves upward, it can drive the outer driving rod to move vertically upward, and the outer driving rod moving vertically upward can drive the outer insert 11 to move horizontally away from the molding cavity to achieve automatic core-pulling.
[0029] Specifically, the internal core-pulling mechanism 3 includes two inlay blocks 13 slidably arranged on the lower template 1. The end of the inlay block 13 is inserted into the molding cavity 2. The internal core-pulling mechanism 3 further includes an internal driving rod 14 inclinedly arranged at the bottom of the upper template. The bottom of the internal driving rod 14 is inserted into the inlay block 13 and is slidably matched with the inlay block 13. When the mold is opened, the upward movement of the upper template can drive the internal driving rod to move vertically upward, and the vertical upward movement of the internal driving rod can drive the inlay block to move horizontally away from the molding cavity to realize automatic core-pulling.
[0030] Specifically, a bottom plate 15 is arranged on the lower side of the lower template 1. Two jacking channels are separated on the bottom plate 15 by a number of support seats. The multi-slider ejecting mechanism 5 includes a top plate 16 arranged in the jacking channels. A multi-slider ejecting structure is arranged on the top plate 16. A lifting assembly is further arranged on the bottom plate 15. The multi-slider ejecting mechanisms 5 independently arranged in the two jacking channels can realize the independent ejection of the products in the molding cavity. The lifting assembly can drive the top plate to move vertically upward, and the vertical upward movement of the top plate can drive the multi-slider ejecting structure to move upward so as to be able to eject the products in the molding cavity.
[0031] Specifically, the lifting assembly includes two lifting drivers 17 vertically fixed on the top plate 16. The end of the output shaft of the lifting driver 17 penetrates through the top plate 16 and is fixedly connected to the bottom plate 15. The action of the lifting driver can drive the top plate to move vertically upward.
[0032] Those skilled in the art should understand that the lifting driver can be an oil cylinder, a cylinder or a linear motor, etc.
[0033] Specifically, the multi-slider ejecting structure includes a number of vertically arranged straight ejecting rods 18 and a straight ejecting structure. The straight ejecting structure includes a number of straight ejecting blocks 19. The straight ejecting blocks 19 are connected to the top plate 16 through ejecting rods. The straight ejecting blocks 19 are detachably connected to the ejecting rods through bolts. The upward movement of the top plate can apply a vertically upward thrust to the product through a number of straight ejecting rods and straight ejecting blocks so as to be able to eject the product.
[0034] The working principle of the present utility model is as follows: Two molding cavities on the lower template 1 can form two decorative frames by one-time injection molding. The internal core-pulling mechanism 3 and the external core-pulling mechanism 4 can automatically perform core-pulling when the mold is opened. Two independent multi-slider ejecting mechanisms arranged on the lower side of the lower template respectively eject the products in the two molding cavities, which can make the two products be ejected in sequence, facilitating the staff to take them out one by one. The bundled pipeline connection structure 7 can connect a large number of cooling pipelines, and only a small number of external pipelines can be connected to realize the input of coolant into all the cooling pipelines to prevent the wires outside the mold from being scattered;
[0035] A total of four beam collectors on both sides of the lower template can connect all the cooling pipelines. The external pipelines are connected to the beam collectors through the connecting pipelines provided on the beam collectors. Only a small number of external pipelines need to be set to input the coolant into all the cooling pipelines, so as to prevent the lines outside the mold from being scattered;
[0036] When the mold is opened, the upward movement of the upper template can drive the external driving rod to move vertically upward, and the vertical upward movement of the external driving rod can drive the external insert block 11 to move horizontally away from the molding cavity to achieve automatic core pulling. When the mold is opened, the upward movement of the upper template can drive the internal driving rod to move vertically upward, and the vertical upward movement of the internal driving rod can drive the internal insert block to move horizontally away from the molding cavity to achieve automatic core pulling;
[0037] The multi-slider ejection mechanism 5 independently arranged in the two jacking channels can realize the independent ejection of the product in the molding cavity. The lifting assembly can drive the top plate to move vertically upward, and the vertical upward movement of the top plate can drive the multi-slider ejection structure to move upward, so as to be able to eject the product in the molding cavity. The action of the lifting driver can drive the top plate to move vertically upward, and the upward movement of the top plate can apply a vertical upward thrust to the product through a number of straight ejector rods and straight ejector blocks, so as to be able to eject the product.
[0038] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.
[0039] Although terms such as lower template 1, molding cavity 2, internal core-pulling mechanism 3, external core-pulling mechanism 4, multi-slider ejection mechanism 5, cooling pipeline 6, beam-type pipeline connection structure 7, beam collector 8, external pipeline connection port 9, connecting pipeline 10, external insert block 11, external driving rod 12, internal insert block 13, internal driving rod 14, bottom plate 15, top plate 16, lifting driver 17, straight ejector rod 18, straight ejector block 19, etc. are used more in this article, the use of these terms is only for more convenient description and explanation of the essence of the present invention; interpreting them as any additional limitation is contrary to the spirit of the present invention.
Claims
1. An injection mold for an automotive front combination lamp housing with a multi-slider sequential core-pulling mechanism, comprising a lower template (1), characterized in that, Two forming cavities (2) are arranged on the lower template (1) described above. An inner core-pulling mechanism (3) is arranged inside the forming cavity (2), and an outer core-pulling mechanism (4) is arranged outside the forming cavity (2). The inner core-pulling mechanism (3) and the outer core-pulling mechanism (4) are arranged opposite to each other. Two multi-slider ejecting mechanisms (5) are arranged on the lower side of the lower template (1), and the two multi-slider ejecting mechanisms (5) are respectively connected to the two forming cavities (2). A plurality of cooling pipelines (6) are also arranged inside the lower template (1), and a bundled pipeline connection structure (7) connected to the liquid inlet and outlet ends of the plurality of cooling pipelines (6) is arranged on both sides of the lower template (1).
2. The injection mold for the automotive front combination lamp housing with a multi-slider sequential core-pulling mechanism according to claim 1, characterized in that, The bundled pipeline connection structure (7) described above includes four beam collectors (8) fixed to both sides of the lower template (1) in pairs. A plurality of external pipeline connection ports (9) are centrally arranged on the beam collector (8), and a plurality of connection pipelines (10) connected to the cooling pipeline (6) are also arranged on the beam collector (8).
3. The injection mold for the front combination lamp housing of an automobile with a multi-slider sequential core-pulling mechanism according to claim 2, characterized in that, The outer core-pulling mechanism (4) includes four outer inserts (11) slidably arranged on the lower template (1), and the inner ends of the outer inserts (11) are inserted into the forming cavity (2).
4. The injection mold for the front combination lamp housing of an automobile with a multi-slider sequential core-pulling mechanism according to claim 3, characterized in that, The outer core-pulling mechanism (4) also includes an outer driving rod (12) obliquely arranged at the bottom of the upper template. The bottom of the outer driving rod (12) is inserted into the outer insert (11) and is slidably matched with the outer insert (11).
5. The injection mold for the front combination lamp housing of an automobile with a multi-slider sequential core-pulling mechanism according to claim 2, characterized in that, The inner core-pulling mechanism (3) includes two inner inserts (13) slidably arranged on the lower template (1), and the ends of the inner inserts (13) are inserted into the forming cavity (2).
6. The injection mold for the front combination lamp housing of an automobile with a multi-slider sequential core-pulling mechanism according to claim 5, characterized in that, The inner core-pulling mechanism (3) also includes an inner driving rod (14) obliquely arranged at the bottom of the upper template. The bottom of the inner driving rod (14) is inserted into the inner insert (13) and is slidably matched with the inner insert (13).
7. The injection mold for the front combination lamp housing of an automobile with a multi-slider sequential core-pulling mechanism according to claim 2, characterized in that, A bottom plate (15) is arranged on the lower side of the lower template (1). Two jacking channels are separated on the bottom plate (15) by a plurality of support seats. The multi-slider ejecting mechanism (5) includes a top plate (16) arranged in the jacking channel. A multi-slider ejecting structure is arranged on the top plate (16), and a lifting assembly is also arranged on the bottom plate (15).
8. The injection mold for the front combination lamp housing of an automobile with a multi-slider sequential core-pulling mechanism according to claim 7, characterized in that, The lifting assembly includes a lifting driver (17) vertically fixed on the top plate (16). The end of the output shaft of the lifting driver (17) penetrates through the top plate (16) and is fixedly connected to the bottom plate (15).
9. The injection mold for the front combination lamp housing of an automobile with a multi-slider sequential core-pulling mechanism according to claim 8, characterized in that, The multi-slider ejecting structure includes a plurality of vertically arranged straight ejecting rods (18) and a straight ejecting structure.
10. The injection mold for the front combination lamp housing of an automobile with a multi-slider sequential core-pulling mechanism according to claim 9, characterized in that, The straight ejecting structure includes a plurality of straight ejecting blocks (19). The straight ejecting blocks (19) are connected to the top plate (16) through ejecting rods, and the straight ejecting blocks (19) are detachably connected to the ejecting rods through bolts.
Citation Information
Patent Citations
Injection mold for automobile rear lamp decorative frame
CN221437077U