Inclined ejection mechanism for cross rod of injection mold for decorative plate of automobile instrument panel

Abstract

The utility model provides a cross rod angle ejector mechanism of an injection mold for an automobile dashboard decorative plate, and belongs to the technical field of molds. The die comprises a lower die plate, a lower forming face forming a forming cavity is arranged on the lower die plate, the section of the lower forming face is in a rectangular ring shape, two connecting plate forming parts are arranged in the middle of the lower forming face in parallel, a multi-point glue feeding assembly is arranged on the upper side of the lower die plate, and a top plate is arranged on the lower side of the lower die plate. And the top plate is provided with two cross rod inclined ejection assemblies corresponding to the connecting plate forming parts and an auxiliary ejection assembly. After a product is subjected to injection molding, the ejection plate moves upwards to apply thrust to all parts of the product uniformly through the integral ejection mechanism so as to prevent a product main body from being damaged, and when the ejection plate moves upwards, thrust can be applied to the position of a connecting plate of the product through the cross rod inclined ejection assembly and the auxiliary ejection assembly so as to prevent the connecting plate from being damaged during ejection.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field relates to a kind of crossbar inclined top mechanism of automobile instrument panel decorative plate injection mould. BACKGROUND

[0002] Automobile instrument panel decorative plate is generally formed by mould injection molding, since automobile instrument panel decorative plate is relatively slim, damage is prone to occur when ejecting.

[0003] A kind of automobile instrument decorative plate mould stripping structure is disclosed in Chinese patent [application number: 202222679784.8], including fixed mould complex board and movable mould complex board, fixed mould complex board lower setting runner pad, fixed mould plate and fixed mould insert, movable mould complex board upper setting mould foot, top plate assembly, ejector pin and movable mould plate, automobile instrument decorative plate injection molded between movable mould plate and fixed mould insert, the side of automobile instrument decorative plate is provided with BOSS column with reverse buckle, the other side is provided with clamping plate with reverse buckle, one end is also provided with inclined reverse buckle, flat extraction insert is slidably arranged on movable mould plate, the front end of flat extraction insert is matched with BOSS column with reverse buckle, and is driven flatly by inclined guide rod;Inclined top block is arranged in movable mould plate, the inner end of inclined top block is matched with clamping plate with reverse buckle, and is driven obliquely by inclined top rod;Outer sliding block is arranged on movable mould plate, inclined sliding groove is arranged on the inner side wall of outer sliding block, inclined extraction block is slidably connected on inclined sliding groove, the inner end of inclined extraction block is matched with inclined reverse buckle, and is driven obliquely by inclined hole guide column. UTILITY MODEL CONTENTS

[0004] The utility model aims at above -mentioned problem, provide a kind of crossbar inclined top mechanism of automobile instrument panel decorative plate injection mould.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of crossbar inclined top mechanism of automobile instrument panel decorative plate injection mould, including lower mould plate, the lower mould plate is provided with the lower forming surface of the forming cavity, the cross section of the lower forming surface is rectangular ring, and two connecting plate forming parts are parallelly arranged in the middle of the lower forming surface, the upper side of the lower mould plate is provided with multi-point glue feeding assembly, the lower side of the lower mould plate is provided with top plate, the top plate is provided with two crossbar inclined top assemblies corresponding to the connecting plate forming part and auxiliary ejection assembly, and the top plate is also provided with integral ejection mechanism.

[0007] In the crossbar inclined top mechanism of automobile instrument panel decorative plate injection mould, the crossbar inclined top assembly includes a first cross inclined top rod and two second cross inclined top rods distributed along the length direction of the connecting plate forming part, the inclination direction of the first cross inclined top rod and the second cross inclined top rod is opposite, and the two second cross inclined top rods are parallelly arranged.

[0008] In the described cross rod inclined ejection mechanism of the automobile instrument panel decoration plate injection mold, the first cross inclined rod and the second cross inclined rod are rotatably connected with the top plate through the adapter seat.

[0009] In the described cross rod inclined ejection mechanism of the automobile instrument panel decoration plate injection mold, the first cross inclined rod and the second cross inclined rod are rotatably connected with the top plate through the adapter seat.

[0010] In the described cross rod inclined ejection mechanism of the automobile instrument panel decoration plate injection mold, the auxiliary ejection assembly includes two auxiliary straight ejection blocks arranged on both sides of the connecting plate forming part and two auxiliary inclined ejection blocks arranged on both sides of the connecting plate forming part.

[0011] In the described cross rod inclined ejection mechanism of the automobile instrument panel decoration plate injection mold, the overall ejection mechanism includes an inner edge ejection assembly, a middle ejection assembly and an outer edge ejection assembly.

[0012] In the described cross rod inclined ejection mechanism of the automobile instrument panel decoration plate injection mold, the inner edge ejection assembly includes a plurality of inner edge inclined ejection blocks arranged on the inner side of the lower forming surface.

[0013] In the described cross rod inclined ejection mechanism of the automobile instrument panel decoration plate injection mold, the middle ejection assembly includes a plurality of middle ejection rods.

[0014] In the described cross rod inclined ejection mechanism of the automobile instrument panel decoration plate injection mold, the outer edge ejection assembly includes a plurality of outer edge inclined ejection blocks arranged on the outer side of the lower forming surface.

[0015] In the described cross rod inclined ejection mechanism of the automobile instrument panel decoration plate injection mold, the multi-point glue feeding assembly includes an injection liquid distribution plate arranged on the upper side of the lower mold plate.

[0016] Compared with existing technologies, the advantages of this utility model are:

[0017] 1. After the product is injection molded, the top plate moves upward and can apply a uniform thrust to all parts of the product through the overall ejection mechanism to prevent damage to the main body of the product. When the top plate moves upward, it can also apply a thrust to the connecting plate of the product through the cross rod inclined ejection assembly and the auxiliary ejection assembly to prevent the connecting plate from being damaged during ejection.

[0018] 2. When the top plate moves upward, it can drive the No. 1 cross angled push rod and the two No. 2 cross angled push rods to move obliquely upward in opposite directions, applying an oblique upward thrust to the product to prevent the connecting plate from being damaged during ejection. When the top plate moves upward, it can apply a vertical upward thrust to the two sides of the connecting plate through the auxiliary push rod and the auxiliary straight push block. It can also apply an oblique upward thrust to the two sides of the product through the auxiliary angled push rod and the auxiliary angled push block. With the cross rod angled push assembly, the connecting plate of the product can be ejected without damage.

[0019] 3. The inner edge ejection assembly, middle ejection assembly, and outer edge ejection assembly can simultaneously apply thrust to the inner edge, middle position, and outer edge of the product, which can prevent the product from being damaged during ejection.

[0020] Other advantages, objectives and features of this invention will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is a structural diagram of the lower template;

[0023] Figure 3 This is a partial structural schematic diagram of the present invention;

[0024] Figure 4 This is a structural diagram of the product and the overall ejection mechanism;

[0025] Figure 5 This is a structural diagram of the product and the crossbar inclined top assembly. Detailed Implementation

[0026] like Figures 1-5As shown, a kind of crossbar inclined top mechanism of automobile instrument panel decorative plate injection mold, including lower die plate 1, the lower die plate 1 is provided with the lower forming surface 2 of the forming cavity, the cross section of the lower forming surface 2 is rectangular ring, and two connecting plate forming parts 3 are arranged in parallel in the middle of lower forming surface 2, the upper side of the lower die plate 1 is provided with multiple-point glue feeding assembly 4, the lower side of the lower die plate 1 is provided with top plate 5, the top plate 5 is provided with two crossbar inclined top assemblies 6 corresponding with connecting plate forming part 3 and auxiliary ejection assembly 7, the top plate 5 is also provided with integral ejection mechanism 8.

[0027] In the utility model, after product injection molding, the upward movement of the top plate can uniformly exert pushing force on each part of the product by the integral ejection mechanism, so as to prevent the main body of the product from being damaged, and the upward movement of the top plate can also exert pushing force on the position of the connecting plate of the product by the crossbar inclined top assembly 6 and the auxiliary ejection assembly 7, so as to prevent the connecting plate from being damaged during ejection.

[0028] Specifically, the crossbar inclined top assembly 6 includes a first cross inclined top rod 9 and two second cross inclined top rods 10 distributed along the length direction of the connecting plate forming part 3, the inclination directions of the first cross inclined top rod 9 and the second cross inclined top rod 10 are opposite, and the two second cross inclined top rods 10 are arranged in parallel, and the first cross inclined top rod 9 and the second cross inclined top rod 10 are rotationally connected with the top plate 5 through an adapter seat. When the top plate moves upward, the first cross inclined top rod 9 and the two second cross inclined top rods 10 can move obliquely upward in opposite directions to exert oblique upward pushing force on the product, so as to prevent the connecting plate from being damaged during ejection.

[0029] Preferably, the side walls of the first cross inclined top rod 9 and the second cross inclined top rod 10 are both provided with buckle forming blocks 11, and the buckle forming blocks 11 are arranged on the opposite sides of the first cross inclined top rod 9 and the second cross inclined top rod 10, respectively. The buckle forming blocks on the first cross inclined top rod 9 and the second cross inclined top rod 10 can form buckle structures on the back of the connecting plate of the product, without the need for post-processing, so as to improve the injection efficiency.

[0030] Specifically, the auxiliary ejection assembly 7 includes two auxiliary straight top blocks 12 arranged on the two sides of the connecting plate forming part 3 and two auxiliary inclined top blocks 13 arranged on the two sides of the connecting plate forming part 3, the inner sides of the upper end faces of the auxiliary straight top blocks 12 and the auxiliary inclined top blocks 13 are connected with the connecting plate forming part 3, the bottom of the auxiliary straight top block 12 is fixedly connected with the top plate 5 through an auxiliary top rod, and the auxiliary inclined top block 13 is rotationally connected with the top plate 5 through an auxiliary inclined top rod and an adapter seat. When the top plate moves upward, the auxiliary top rod and the auxiliary straight top block can exert vertical upward pushing force on the two side edges of the connecting plate, and the auxiliary inclined top rod and the auxiliary inclined top block can exert oblique upward pushing force on the two side edges of the product, so as to cooperate with the crossbar inclined top assembly 6 to eject the connecting plate position of the product without damage.

[0031] Specifically, the integral ejection mechanism 8 comprises an inner edge ejection assembly, a middle ejection assembly and an outer edge ejection assembly. Through the inner edge ejection assembly, the middle ejection assembly and the outer edge ejection assembly, the product can be simultaneously subjected to a pushing force at the inner edge, the middle position and the outer edge, so as to prevent the product from being damaged during ejection.

[0032] Specifically, the inner edge ejection assembly comprises a plurality of inner edge inclined ejecting blocks 14 arranged inside the lower forming surface 2, the upper end surface of the inner edge inclined ejecting block 14 is connected with the inner edge of the lower forming surface 2, the plurality of inner edge inclined ejecting blocks 14 are arranged in a rectangular ring shape, and the inner edge inclined ejecting block 14 is rotationally connected with the top plate 5 through a first inclined ejecting rod 15 and an adapter seat. The upward movement of the top plate can exert an upwardly inclined pushing force on the inner edge of the product through the first inclined ejecting rod and the inner edge inclined ejecting block.

[0033] Specifically, the middle ejection assembly comprises a plurality of middle ejecting rods 16, the top of the middle ejecting rod 16 is connected with the lower forming surface 2, and the bottom is fixedly connected with the top plate 5 through a connecting seat, and the plurality of middle ejecting rods 16 are arranged in a rectangular ring shape. The upward movement of the top plate can exert a vertical upward pushing force on the middle position of the product through the middle ejecting rod.

[0034] Specifically, the outer edge ejection assembly comprises a plurality of outer edge inclined ejecting blocks 17 arranged outside the lower forming surface 2, the upper end surface of the outer edge inclined ejecting block 17 is connected with the outer edge of the lower forming surface 2, the plurality of outer edge inclined ejecting blocks 17 are arranged in a rectangular ring shape, and the outer edge inclined ejecting block 17 is rotationally connected with the top plate 5 through a second inclined ejecting rod 18 and an adapter seat. The upward movement of the top plate can exert an upwardly inclined pushing force on the outer edge of the product through the second inclined ejecting rod and the outer edge inclined ejecting block.

[0035] Specifically, the multi-point injection assembly 4 comprises an injection liquid distribution plate 19 arranged on the upper side of the lower mold plate 1, the bottom of the injection liquid distribution plate 19 is fixedly connected with a plurality of injection pipes 20, and the injection pipe 20 is arranged outside the lower forming surface 2. The injection liquid distribution plate can distribute the injection liquid and inject the injection liquid into the forming cavity from multiple points through the plurality of injection pipes, so as to improve the injection efficiency of the product.

[0036] The working principle of the utility model is: after the product is injection molded, the upward movement of the top plate can uniformly exert a pushing force on each part of the product through the integral ejection mechanism, so as to prevent the product body from being damaged, and the upward movement of the top plate can also exert a pushing force on the connecting plate position of the product through the cross rod inclined ejection assembly 6 and the auxiliary ejection assembly 7, so as to prevent the connecting plate from being damaged during ejection.

[0037] When the top plate moves upward, the first cross inclined ejector rod 9 and the two second cross inclined ejector rods 10 are driven to move upward in opposite directions to apply an upward inclined pushing force to the product, so as to prevent the connecting plate from being damaged during ejection, the buckle forming block on the first cross inclined ejector rod 9 and the second cross inclined ejector rod 10 can form a buckle structure on the back of the connecting plate of the product, without post-processing, and the injection efficiency is improved, when the top plate moves upward, the auxiliary ejector rod and the auxiliary straight top block can apply a vertical upward pushing force to the two side edges of the connecting plate, and the auxiliary inclined ejector rod and the auxiliary inclined top block can apply an upward inclined pushing force to the two side edges of the product, which can cooperate with the cross rod inclined ejector assembly 6 to eject the connecting plate of the product without damage;

[0038] The inner edge ejection assembly, the middle ejection assembly and the outer edge ejection assembly can simultaneously apply a pushing force to the inner edge, the middle position and the outer edge of the product, so as to prevent the product from being damaged during ejection, when the top plate moves upward, the first inclined ejector rod and the inner edge inclined top block can apply an upward inclined pushing force to the inner edge of the product, the middle ejector rod can apply a vertical upward pushing force to the middle position of the product, and the second inclined ejector rod and the outer edge inclined top block can apply an upward inclined pushing force to the outer edge of the product, the injection liquid distribution plate can distribute the injection liquid and make the injection liquid flow into the forming cavity from multiple points through the injection pipes, so as to improve the injection efficiency of the product.

[0039] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

Claims

1. A cross rod inclined ejector mechanism for an injection mold of an automobile instrument panel trim, comprising a lower mold plate (1), characterized in that, The lower mold plate (1) is provided with a lower forming surface (2) which constitutes a forming cavity, the cross section of the lower forming surface (2) is a rectangle ring, and two connecting plate forming portions (3) are arranged in parallel in the middle of the lower forming surface (2), the upper side of the lower mold plate (1) is provided with a multi-point glue feeding assembly (4), the lower side of the lower mold plate (1) is provided with a top plate (5), the top plate (5) is provided with two cross rod inclined ejection assemblies (6) corresponding to the connecting plate forming portions (3) and an auxiliary ejection assembly (7), and the top plate (5) is further provided with an overall ejection mechanism (8).

2. The cross bar knock out mechanism for an automotive instrument panel trim panel injection mold of claim 1, wherein, The cross rod inclined ejection assembly (6) comprises one first cross inclined ejection rod (9) and two second cross inclined ejection rods (10) which are distributed along the length direction of the connecting plate forming portion (3), the inclination directions of the first cross inclined ejection rod (9) and the second cross inclined ejection rod (10) are opposite, and the two second cross inclined ejection rods (10) are arranged in parallel.

3. The cross bar knock out mechanism for an automotive instrument panel trim panel injection mold of claim 2, wherein, The first cross inclined ejection rod (9) and the second cross inclined ejection rod (10) are rotationally connected with the top plate (5) through an adapter seat.

4. The cross bar knock out mechanism for an automotive instrument panel trim panel injection mold of claim 2, wherein, The first cross inclined ejection rod (9) and the second cross inclined ejection rod (10) are both provided with a buckle forming block (11) on the side wall, and the buckle forming blocks (11) are arranged on the opposite sides of the first cross inclined ejection rod (9) and the second cross inclined ejection rod (10) respectively.

5. The cross bar knock out mechanism for an automotive instrument panel trim panel injection mold of claim 2, wherein, The auxiliary ejection assembly (7) comprises two auxiliary straight ejection blocks (12) which are arranged on the two sides of the connecting plate forming portion (3) respectively and two auxiliary inclined ejection blocks (13) which are arranged on the two sides of the connecting plate forming portion (3) respectively, the inner side of the upper end face of the auxiliary straight ejection block (12) and the auxiliary inclined ejection block (13) is connected with the connecting plate forming portion (3), the bottom of the auxiliary straight ejection block (12) is fixedly connected with the top plate (5) through an auxiliary ejection rod, and the auxiliary inclined ejection block (13) is rotationally connected with the top plate (5) through an auxiliary inclined ejection rod and an adapter seat.

6. The crossbar ejector mechanism for an automotive instrument panel trim panel injection mold of claim 1, wherein, The overall ejection mechanism (8) comprises an inner edge ejection assembly, an intermediate ejection assembly and an outer edge ejection assembly.

7. The cross bar knock out mechanism for an automotive instrument panel trim panel injection mold of claim 6, wherein, The inner edge ejection assembly comprises a plurality of inner edge inclined ejection blocks (14) arranged on the inner side of the lower forming surface (2), the outer side of the upper end face of the inner edge inclined ejection block (14) is connected with the inner edge of the lower forming surface (2), the plurality of inner edge inclined ejection blocks (14) are distributed in a rectangle ring shape, and the inner edge inclined ejection block (14) is rotationally connected with the top plate (5) through a first inclined ejection rod (15) and an adapter seat.

8. The crossbar ejector mechanism for an automotive instrument panel trim panel injection mold of claim 6, wherein, The intermediate ejection assembly comprises a plurality of intermediate ejection rods (16), the top of the intermediate ejection rod (16) is connected with the lower forming surface (2), and the bottom is fixedly connected with the top plate (5) through a connecting seat, and the plurality of intermediate ejection rods (16) are distributed in a rectangle ring shape.

9. The crossbar ejector mechanism for an automotive instrument panel trim panel injection mold of claim 6, wherein, The outer edge ejection assembly comprises a plurality of outer edge inclined ejection blocks (17) arranged on the outer side of the lower forming surface (2), the inner side of the upper end face of the outer edge inclined ejection block (17) is connected with the outer edge of the lower forming surface (2), the plurality of outer edge inclined ejection blocks (17) are distributed in a rectangle ring shape, and the outer edge inclined ejection block (17) is rotationally connected with the top plate (5) through a second inclined ejection rod (18) and an adapter seat.

10. The crossbar ejector mechanism for an automotive instrument panel trim panel injection mold of claim 1, wherein, The multi-point glue feeding assembly (4) comprises an injection liquid distribution plate (19) arranged on the upper side of the lower mold plate (1), and the bottom of the injection liquid distribution plate (19) is fixedly connected with a plurality of injection pipes (20), and the injection pipes (20) are arranged on the outer side of the lower forming surface (2).

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