Double-color injection molding mold for automobile button

Abstract

The utility model discloses an automobile button double-color injection molding mold which comprises a lower mold base, a lower mold forming base is arranged at the top end of the lower mold base, an upper mold forming base is arranged at the top end of the lower mold forming base, a top mold base is arranged at the top end of the upper mold forming base, and insert holes are symmetrically formed in the top end of the upper mold forming base. An insert is arranged in the insert hole, a female die cavity is formed in the top end of the insert, a material channel for injection molding is formed in one end of the female die cavity, and a filtering assembly is arranged in the material channel; the filtering assembly comprises a hollow mounting pipe connected to the interior of the material channel in a sliding manner, a filtering end fixedly mounted with the hollow mounting pipe, and a filtering net plate fixedly mounted in the filtering end; impurities in molten plastic and unmolten plastic particles can be blocked through the filter screen plate in the filter end at one end of the hollow mounting pipe, and the conditions that the surface of an automobile button is uneven and has appearance flaws during injection molding are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a kind of automobile button bicolor injection molding mold. BACKGROUND

[0002] Automobile button is installed in the interior of car, is used to control the operating component of various car functions, and automobile button is the important component of car man-machine interactive system, and driver or passenger realizes the control to different system and equipment of car by pressing, rotating, touch etc.

[0003] According to the automobile button bicolor injection molding mold disclosed in the announcement number CN219855747U, it is related to injection mold technical field, and the mold is used in the production and manufacture of key cap, the mold simple structure, development manufacturing cost is low, and then to reduce the production cost of key cap.The key cap forming mold on the car central control includes mold body, the mold body is equipped with feeding assembly and at least one forming assembly, and is characterized in that: forming assembly includes insert block and core, insert block has the recess structure for the outer surface of outer part forming, and core has the convex die structure for the inner surface of inner part forming;Insert block and core are closed, recess structure and convex die structure are combined to form key cap cavity, insert block is equipped with material channel leading to key cap cavity, and material channel is connected with the gate of feeding assembly.

[0004] The above device uses a pair of molds to manufacture key cap, the quality of key cap is reliable, material cost and labor cost are greatly reduced, production cycle is shortened, key cap production efficiency is improved, and the molten plastic is injected into recess structure from material channel through gate, since the molten plastic contains impurities and unmelting particles, directly entering recess structure can cause uneven surface and appearance defect. UTILITY MODEL CONTENTS

[0005] The utility model aims at: in order to solve the above device uses a pair of molds to manufacture key cap, the quality of key cap is reliable, material cost and labor cost are greatly reduced, production cycle is shortened, key cap production efficiency is improved, and the molten plastic is injected into recess structure from material channel through gate, since the molten plastic contains impurities and unmelting particles, directly entering recess structure can cause uneven surface and appearance defect.

[0006] To achieve the above object, the utility model provides following technical scheme: a double -color injection moulding mould of car button, including lower mould base, the lower mould base top is provided with lower mould forming seat, and the lower mould forming seat top is provided with upper mould forming seat, the upper mould forming seat top is provided with top die seat, the upper mould forming seat top is opened with the inlay hole, and is provided with the inlay in the inlay hole, the inlay top is opened with the female die cavity, and the female die cavity one end is opened with the material channel that carries out injection, the material channel is provided with filter assembly in, the filter assembly includes hollow installation pipe that is connected in the material channel inside, and the filter end is fixedly installed with the filter screen board that is fixedly installed in the filter end inside, the filter end one end and located hollow installation pipe one side fixed mounting has screw fixed end.

[0007] As the utility model further scheme further: the material channel inside and located hollow installation pipe is opened with the empty groove directly above, and the empty groove inside bottom is opened with through -hole, the hollow installation pipe top is fixedly installed with the connecting rod that is connected with the through -hole sliding.

[0008] As the utility model further scheme further: the hollow installation pipe one end fixedly installed with the guide sliding block that is slidingly guided with the material channel, and the guide sliding block is fixedly installed in the both ends of hollow installation pipe.

[0009] As the utility model further scheme further: the connecting rod is fixedly installed with the locking block in the through -hole in the empty groove, and the empty groove is opened with the through -groove, the locking block is opened with the locking slot in, and the through -groove is rotatably connected with the L type locking lever that is matched with the locking slot.

[0010] As the utility model further scheme further: the locking block is opened with the locking sliding slot for the sliding of L type locking lever in, and the locking block is opened with the separation sliding slot in the opposite side of locking sliding slot.

[0011] As the utility model further scheme further: the empty groove is fixedly installed with the reset spring that is fixedly installed with the locking block.

[0012] As the utility model further scheme further: the upper mould forming seat bottom is opened with the guide slot that is guidedly installed with the lower mould forming seat, and the guide slot is opened in the upper mould forming seat bottom symmetry, the lower mould forming seat top is fixedly installed with the guide block that is matched with the guide slot.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] In the utility model, the filter screen board in the filter end of the hollow installation pipe one end can block the impurities in the melted plastic and the unmelted plastic particles, reducing the uneven surface and appearance defects of the car button surface during injection molding.

[0015] The locking block, the reset spring and the L-shaped locking rod can quickly pop out the hollow installation pipe and install the hollow installation pipe into the inside of the material channel, and the hollow installation pipe can be conveniently and quickly replaced when the filter screen plate is blocked. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 is a schematic diagram of the unfolded structure of the upper die forming seat and the lower die forming seat in the utility model;

[0018] Figure 3 is a schematic diagram of the structure of the insert block in the utility model;

[0019] Figure 4 is a schematic diagram of the cross-sectional structure of the insert block in the utility model;

[0020] Figure 5 is a schematic diagram of the overall structure of the utility model Figure 4 is a schematic diagram of the local enlarged structure of position A in the utility model.

[0021] In the figure: 1, lower die seat; 2, lower die forming seat; 3, upper die forming seat; 4, top die seat; 5, insert hole; 6, insert block; 7, concave die cavity; 8, material channel; 9, filter assembly; 91, hollow installation pipe; 92, filter end; 93, filter screen plate; 94, threaded fixed end; 95, guide sliding block; 96, through hole; 97, connecting rod; 98, empty slot; 99, locking block; 910, reset spring; 911, through slot; 912, L-shaped locking rod; 913, locking sliding slot; 914, locking slot; 915, separation sliding slot; 10, guide block; 11, guide slot. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] In the description of the utility model, it is necessary to explain that the orientation or positional relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or positional relation based on the orientation or positional relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it is necessary to explain that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0024] Referring to Figures 1 to 5 In the utility model embodiment, a kind of automobile button double-color injection molding mold, including lower die seat 1, lower die seat 1 top end is provided with lower die forming seat 2, and lower die forming seat 2 top end is provided with upper die forming seat 3, upper die forming seat 3 top end is provided with top die seat 4, and upper die forming seat 3 top end is symmetrically provided with insert hole 5, and insert hole 5 is provided with insert block 6 inside, recess cavity 7 is formed in the top end of insert block 6, and recess cavity 7 is provided with material channel 8 for injection molding at one end, and filter assembly 9 is provided in the inside of material channel 8, filter assembly 9 includes hollow installation pipe 91 slidably connected in the inside of material channel 8, filter end 92 fixedly installed with hollow installation pipe 91 and filter screen plate 93 fixedly installed in the inside of filter end 92, and threaded fixing end 94 is fixedly installed at one end of filter end 92 and located at one side of hollow installation pipe 91.

[0025] The hollow installation pipe 91 is slidably connected with the material channel 8, and the outer wall of the hollow installation pipe 91 is in contact with the inner wall of the material channel 8, so that the leakage of injection plastic does not occur, the pore size of the filter screen plate 93 is smaller than the size of the unmelted plastic particles and impurities, and the filter assembly 9 can block the impurities in the melted plastic and the unmelted plastic particles, to reduce the uneven surface and appearance defects of the automobile button surface during injection molding.

[0026] Referring to Figures 1 to 5The air slot 98 is internally provided with a through hole 96 at the bottom end, the hollow mounting pipe 91 is fixedly installed with a connecting rod 97 which is in sliding connection with the through hole 96, one end of the hollow mounting pipe 91 is fixedly installed with a guide sliding block 95 which is in sliding guidance with the material channel 8, the guide sliding block 95 is symmetrically fixedly installed at both ends of the hollow mounting pipe 91, the connecting rod 97 is fixedly installed with a locking block 99 inside the air slot 98 through the through hole 96, the air slot 98 is internally provided with a through slot 911, the locking block 99 is internally provided with a locking slot 914, the through slot 911 is rotationally connected with an L-shaped locking rod 912 which is matched with the locking slot 914, the locking block 99 is internally provided with a locking sliding groove 913 for sliding of the L-shaped locking rod 912, the locking block 99 is internally provided with a separation sliding groove 915 at the side opposite to the locking sliding groove 913, and the air slot 98 is fixedly installed with a reset spring 910 which is fixedly installed with the locking block 99.

[0027] By adopting the above scheme, when the filter screen plate 93 is replaced, the replaced filter end 92 is only needed to be screwed with the hollow mounting pipe 91, then the filter end 92 is pressed, at this time, the hollow mounting pipe 91 is slid in the material channel 8 and drives the locking block 99 to slide in the air slot 98, at this time, the L-shaped locking rod 912 is slid into the locking slot 914 through the locking sliding groove 913 inside the locking block 99 to complete locking and fixing of the hollow mounting pipe 91, the material channel 8 is internally symmetrically provided with a guide sliding groove which is in sliding adaptation with the guide sliding block 95.

[0028] With reference to Figures 1 to 5 The bottom end of the upper mold forming seat 3 is internally provided with a guide slot 11 which is in guide installation with the lower mold forming seat 2, and the guide slot 11 is symmetrically provided at the bottom end of the upper mold forming seat 3, and the top end of the lower mold forming seat 2 is symmetrically fixedly installed with a guide block 10 which is matched with the guide slot 11.

[0029] The working principle of the utility model is: when the automobile button double-color injection molding is carried out, when the melted plastic enters the hollow installation pipe 91 through the material channel 8, the filter screen plate 93 inside the filter end 92 at one end of the hollow installation pipe 91 can block the impurities in the melted plastic and the unmelted plastic particles, reduce the uneven surface of the automobile button surface and the appearance defect during injection molding, when the filter screen plate 93 is blocked after long time use, the staff takes out the insert block 6 from the inside of the insert hole 5 inside the upper mold forming seat 3, then presses the filter end 92, at this time the hollow installation pipe 91 slides inside the material channel 8 by pressing, and the locking block 99 inside the empty slot 98 is driven to slide by the connecting rod 97, when the locking block 99 slides, the L-shaped locking rod 912 inside the locking slot 914 slides out of the inside of the locking slot 914 through the separation sliding groove 915, at this time the hollow installation pipe 91 is ejected from the inside of the material channel 8 by the reset spring 910 inside the empty slot 98, at this time the staff only needs to rotate the filter end 92, the filter end 92 and the hollow installation pipe 91 are separated through the threaded fixing end 94 at one end of the filter end 92, so that the filter screen plate 93 can be quickly replaced, the hollow installation pipe 91 can be quickly ejected and installed into the inside of the material channel 8 through the locking block 99, the reset spring 910 and the L-shaped locking rod 912, so that the filter screen plate 93 can be conveniently and quickly replaced when it is blocked.

[0030] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A double-color injection molding mold for an automobile button, comprising a lower mold base (1) provided at a top end thereof with a lower mold forming base (2), and the lower mold forming base (2) is provided at a top end thereof with an upper mold forming base (3), and the upper mold forming base (3) is provided at a top end thereof with a top mold base (4), characterized in that, The upper mold forming seat (3) top symmetrically open with insert hole (5), and insert hole (5) is provided with insert block (6), the insert block (6) top is provided with concave die cavity (7), and the concave die cavity (7) one end is provided with the material channel (8) of injection molding, the material channel (8) is provided with filter assembly (9), the filter assembly (9) includes hollow installation pipe (91) that is slidably connected in the material channel (8), filter end (92) and filter screen (93) that are fixedly installed in filter end (92) and are fixedly installed with hollow installation pipe (91), the filter end (92) one end and located in hollow installation pipe (91) one side fixedly installed with threaded fixed end (94).

2. The double-color injection molding mold for an automobile button according to claim 1, wherein The material channel (8) is provided with a hollow groove (98) above the hollow installation pipe (91), and a through hole (96) is formed in the bottom of the hollow groove (98). The hollow installation pipe (91) is fixedly installed with a connecting rod (97) which is slidably connected with the through hole (96).

3. The double-color injection molding mold for an automobile button according to claim 1, wherein The hollow installation pipe (91) is fixedly installed with a guide sliding block (95) which is slidably guided by the material channel (8), and the guide sliding block (95) is symmetrically fixedly installed on both ends of the hollow installation pipe (91).

4. The double-color injection molding mold for an automobile button according to claim 2, characterized by The connecting rod (97) is fixedly installed with a locking block (99) in the through hole (96) and the hollow groove (98), and a through groove (911) is formed in the hollow groove (98). The locking block (99) is provided with a locking groove (914) in the inside, and the through groove (911) is rotatably connected with an L-shaped locking rod (912) which is matched with the locking groove (914).

5. The two-color injection molding mold for an automobile button according to claim 4, wherein The locking block (99) is provided with a locking sliding groove (913) for the sliding of the L-shaped locking rod (912), and a separation sliding groove (915) is formed in the inside of the locking block (99) and located on the opposite side of the locking sliding groove (913).

6. The double-color injection molding mold for an automobile button according to claim 4, wherein The hollow groove (98) is fixedly installed with a reset spring (910) which is fixedly installed with the locking block (99).

7. The double-color injection molding mold for an automobile button according to claim 1, wherein The bottom of the upper mold forming seat (3) is provided with a guide groove (11) which is guidedly installed with the lower mold forming seat (2), and the guide groove (11) is symmetrically formed in the bottom of the upper mold forming seat (3). The top of the lower mold forming seat (2) is symmetrically fixedly installed with a guide block (10) which is matched with the guide groove (11).

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