Intensive secondary ejection mechanism of automobile air-inlet grille mold

Abstract

The utility model provides a dense secondary ejection mechanism of an automobile air-inlet grille die, and belongs to the technical field of dies. The mold comprises an upper mold plate and a lower mold plate, a grating forming cavity is formed between the upper mold plate and the lower mold plate, and an upper top plate, a middle top plate and a lower top plate are sequentially arranged on the lower side of the lower mold plate from top to bottom. After a product is subjected to injection molding, the lifting assembly can drive the middle top plate and the upper top plate to move upwards, and the middle mold plate moves upwards to drive the lower top plate to move upwards through the linkage structure; the upper ejector plate, the middle ejector plate and the lower ejector plate move upwards, and a product can be ejected upwards by a certain distance through the combined straight inclined ejector ejection assembly and the secondary ejection assembly, so that the product is separated from the lower mold plate. And the secondary ejection assembly can also blow air to the grille product at high pressure, so that the grille product can be separated from the secondary ejection assembly, and the grille product can be prevented from being damaged when the grille product is taken down.

Description

TECHNICAL FIELD

[0001] The utility model belongs to die technical field relates to a kind of dense secondary ejection mechanism of automobile air intake grille die. BACKGROUND

[0002] Automobile air intake grille is generally formed by injection molding through die, and the die for automobile air intake grille in the prior art is provided with dense ejector block to prevent the grille product from being damaged during ejection, but the ejector block is still in a state of sticking with the grille product after ejecting the product, and the product is easily damaged when the grille product is removed.

[0003] For example, a high-light traceless injection mold for automobile air intake grille is disclosed in Chinese Patent [Application No. 202223099219.0], which includes a first die body and a second die body. The first die body includes a first fixed plate set, a first mold plate, and a first mold core. The first fixed plate set is provided with a sprue bushing. The first fixed plate set and the first mold plate are provided with a flow channel. The flow channel is in communication with the sprue bushing. The flow channel includes a main flow channel and a branch flow channel. The branch flow channel is in communication with the main flow channel. The second die body includes a second fixed plate set, a second mold plate, a second mold core, and an ejection mechanism. The first mold core and the second mold core can form a cavity. The cavity includes a first forming part and a second forming part. The second forming part is arranged at the periphery of the first forming part. The second forming part is in communication with the first forming part. The branch flow channel is in communication with the second forming part. The ejection mechanism is arranged on the second fixed plate set and inserted into one end of the cavity. SUMMARY

[0004] The utility model aims at the above problem, and provides a kind of dense secondary ejection mechanism of automobile air intake grille die.

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

[0006] A kind of dense secondary ejection mechanism of automobile air intake grille die, including upper die plate and lower die plate, the upper die plate and lower die plate between being provided with grille forming cavity, the lower die plate lower side from top to bottom is sequentially provided with upper top plate, intermediate top plate and lower top plate, the lower die plate be provided with the lifting assembly connected with upper top plate and intermediate top plate, the intermediate top plate and lower top plate between being provided with linkage structure, the upper top plate, intermediate top plate and lower top plate be provided with the combined straight oblique top ejection assembly connected with grille forming cavity, the lower top plate still be provided with the secondary ejection assembly connected with grille forming cavity.

[0007] In the dense secondary ejection mechanism of automobile air intake grille die described above, the secondary ejection assembly includes a plurality of rectangular ejector blocks embedded in the lower die plate, the rectangular ejector blocks are connected to the lower top plate by two gas ejector rods, the gas ejector rods are connected to high-pressure air inlet pipes at the bottom, and the rectangular ejector blocks are provided with a plurality of exhaust ports on the side.

[0008] In the dense secondary ejection mechanism of the automobile air intake grille mold, the bottom of the rectangular ejection block is further rotationally connected with an auxiliary ejection rod, the bottom of the auxiliary ejection rod is rotationally connected with a first sliding block, the lower ejection plate is further fixedly connected with a first sliding block seat, and the first sliding block is arranged in the first sliding block seat and is in sliding connection with the first sliding block seat.

[0009] In the dense secondary ejection mechanism of the automobile air intake grille mold, the top surface of the rectangular ejection block is provided with a grille forming surface matched with the grille forming cavity.

[0010] In the dense secondary ejection mechanism of the automobile air intake grille mold, the combined straight and inclined ejection assembly comprises a plurality of inclined ejection blocks and a plurality of straight ejection blocks, the bottom of the straight ejection block is connected with the upper ejection plate or the intermediate ejection plate through a straight ejection rod, and the bottom of the inclined ejection block is connected with the upper ejection plate through an inclined ejection rod.

[0011] In the dense secondary ejection mechanism of the automobile air intake grille mold, the bottom of the inclined ejection rod is rotationally connected with a second sliding block, the upper ejection plate is fixedly provided with a second sliding block seat, and the second sliding block is arranged in the second sliding block seat and is in sliding connection with the second sliding block seat.

[0012] In the dense secondary ejection mechanism of the automobile air intake grille mold, the lifting assembly comprises four ejection oil cylinders fixed on the lower die plate, the output shaft end of the ejection oil cylinder is fixedly connected with a connection head in the shape of an I-shaped section, and the connection head is connected with the intermediate ejection plate.

[0013] In the dense secondary ejection mechanism of the automobile air intake grille mold, the upper side of the upper die plate is further provided with an injection liquid distribution plate, the bottom of the injection liquid distribution plate is connected with the grille forming cavity through a plurality of injection pipes.

[0014] In the dense secondary ejection mechanism of the automobile air intake grille mold, the linkage structure comprises lifting hooks fixed on the two sides of the intermediate ejection plate, and the two sides of the lower ejection plate are protrusively provided with protruding blocks corresponding to the lifting hooks.

[0015] In the dense secondary ejection mechanism of the automobile air intake grille mold, the side of the lower die plate is further provided with a side core-pulling assembly connected with the grille forming cavity, the side core-pulling assembly comprises a side insert block slidably arranged on the lower die plate and two driving rods obliquely fixed on the bottom of the upper die plate, the driving rods are inserted into the side insert block, and the inner end of the side insert block is connected with the grille forming cavity.

[0016] Compared with the prior art, the automobile air intake grille mold has the advantages that:

[0017] 1. After the product is injection molded, the lifting assembly can drive the middle top plate and the upper top plate to move upward. The upward movement of the middle template can drive the lower top plate to move upward through the linkage structure. The upward movement of the upper top plate, the middle top plate, and the lower top plate can push the product upward a certain distance through the combined straight and inclined ejection assembly and the secondary ejection assembly, so that the product is separated from the lower template. After the grid product is separated from the lower template, the secondary ejection assembly can also blow high pressure air on the grid product, so that the grid product is separated from the secondary ejection assembly, thereby preventing the grid product from being damaged when it is removed.

[0018] 2. When the upper, middle, and lower top plates move upward, they can drive the rectangular top block to move upward through the air jack and auxiliary jack, applying a pushing force to the product. After the product is separated from the lower template, the high-pressure air pump can introduce high-pressure gas into the rectangular top block through the high-pressure air inlet pipe and the air jack. After the high-pressure gas is discharged from the exhaust port, it can blow air at the connection between the grid product and the rectangular top block, so that the product can be separated from the rectangular top block, thereby preventing damage to the grid product when it is removed.

[0019] 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

[0020] Figure 1 This is a schematic diagram of the external structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0022] Figure 3 This is a structural diagram of the lower template;

[0023] Figure 4 This is a partial structural diagram of the lower template;

[0024] Figure 5 This is a structural diagram of the secondary ejection component.

[0025] In the diagram, the components are: upper template 1, lower template 2, grid forming cavity 3, upper top plate 4, middle top plate 5, lower top plate 6, lifting assembly 7, linkage structure 8, secondary ejection assembly 9, rectangular top block 10, air ejector rod 11, high-pressure air inlet pipe 12, exhaust port 13, auxiliary ejector rod 14, first slider 15, first slider seat 16, grid forming surface 17, inclined ejector block 18, straight ejector block 19, straight ejector rod 20, inclined ejector rod 21, second slider 22, second slider seat 23, lifting cylinder 24, connector 25, injection liquid diversion plate 26, injection pipe 27, lifting hook 28, protrusion 29, side insert 30, and drive rod 31. Detailed Implementation

[0026] As Figures 1-5 A dense secondary ejection mechanism of an automobile air intake grille mold, comprising an upper die plate 1 and a lower die plate 2, a grille forming cavity 3 is arranged between the upper die plate 1 and the lower die plate 2, an upper top plate 4, an intermediate top plate 5 and a lower top plate 6 are sequentially arranged on the lower side of the lower die plate 2 from top to bottom, a lifting assembly 7 connected with the upper top plate 4 and the intermediate top plate 5 is arranged on the lower die plate 2, a linkage structure 8 is arranged between the intermediate top plate 5 and the lower top plate 6, a combined straight and inclined top ejection assembly connected with the grille forming cavity 3 is arranged on the upper top plate 4, the intermediate top plate 5 and the lower top plate 6, and a secondary ejection assembly 9 connected with the grille forming cavity 3 is further arranged on the lower top plate 6.

[0027] In the utility model, after product injection molding, the lifting assembly 7 can drive the intermediate top plate and the upper top plate to move upwards, the intermediate top plate moving upwards can drive the lower top plate to move upwards through the linkage structure, the upper top plate 4, the intermediate top plate 5 and the lower top plate 6 moving upwards can drive the product to be ejected upwards through the combined straight and inclined top ejection assembly and the secondary ejection assembly 9, so that the product is separated from the lower die plate, when the grille product is separated from the lower die plate, the secondary ejection assembly can further blow high pressure gas to the grille product, so that the grille product is separated from the secondary ejection assembly, thereby preventing the grille product from being damaged when the grille product is taken down.

[0028] Specifically, the secondary ejection assembly 9 comprises a plurality of rectangular top blocks 10 embedded on the lower die plate 2, the rectangular top blocks 10 are connected with the lower top plate 6 through two air ejection rods 11, the bottom of the air ejection rod 11 is connected with a high pressure air inlet pipe 12, a plurality of air outlets 13 are arranged on the side of the rectangular top block 10, and an auxiliary ejection rod 14 is further rotationally connected to the bottom of the rectangular top block 10, the bottom of the auxiliary ejection rod 14 is rotationally connected with a first sliding block 15, a first sliding block seat 16 is further fixedly connected to the lower top plate 6, and the first sliding block 15 is arranged in the first sliding block seat 16 and is in sliding connection with the first sliding block seat 16.

[0029] When the upper top plate 4, the intermediate top plate 5 and the lower top plate 6 move upwards, the rectangular top blocks can be driven to move upwards through the air ejection rod and the auxiliary ejection rod 14 to apply a pushing force to the product, when the product is separated from the lower die plate, the high pressure air pump can introduce high pressure gas into the rectangular top block through the high pressure air inlet pipe and the air ejection rod, and the high pressure gas can blow gas to the connection between the grille product and the rectangular top block after being discharged from the air outlet, so that the product can be separated from the rectangular top block, thereby preventing the grille product from being damaged when the grille product is taken down.

[0030] Specifically, the top surface of the rectangular top block 10 has a grille forming surface 17 matched with the grille forming cavity 3.

[0031] Specifically, the combined straight and inclined ejection assembly comprises a plurality of inclined ejection blocks 18 and a plurality of straight ejection blocks 19, the bottom of the straight ejection blocks 19 is connected with the upper ejection plate 4 or the intermediate ejection plate 5 through straight ejection rods 20, and the bottom of the inclined ejection blocks 18 is connected with the upper ejection plate 4 through inclined ejection rods 21. When the intermediate ejection plate and the upper ejection plate move upward, the inclined ejection rods and the inclined ejection blocks can exert an inclined upward thrust on the product, and the straight ejection rods and the straight ejection blocks can exert a vertical upward thrust on the product.

[0032] Specifically, the bottom of the inclined ejection rod 21 is rotationally connected with a second sliding block 22, the upper ejection plate 4 is fixed with a second sliding block seat 23, and the second sliding block 22 is arranged in the second sliding block seat 23 and is in sliding connection with the second sliding block seat 23.

[0033] Specifically, the lifting assembly 7 comprises four lifting oil cylinders 24 fixed on the lower die plate 2, the output shaft end of each lifting oil cylinder 24 is fixedly connected with a connection head 25 in the shape of an I-beam, and the connection head 25 is connected with the intermediate ejection plate 5. The synchronous action of the four lifting oil cylinders can drive the intermediate ejection plate and the upper ejection plate to move vertically along the vertical direction through the connection head.

[0034] Specifically, the upper side of the upper die plate 1 is further provided with an injection liquid distribution plate 26, and the bottom of the injection liquid distribution plate 26 is connected with the grid forming cavity 3 through a plurality of injection pipes 27. The injection liquid distribution plate and the plurality of injection pipes can realize multi-point glue feeding and improve the injection efficiency.

[0035] Specifically, the linkage structure 8 comprises lifting hooks 28 fixed on both sides of the intermediate ejection plate 5, and the lower ejection plate 6 is provided with protrusions 29 corresponding to the lifting hooks 28. When the intermediate ejection plate moves upward, the lower ejection plate can be driven to move vertically upward through the lifting hooks and the protrusions.

[0036] Specifically, the side of the lower die plate 2 is further provided with a side core pulling assembly connected with the grid forming cavity 3, the side core pulling assembly comprises a side insert block 30 slidingly arranged on the lower die plate 2 and two driving rods 31 obliquely fixed on the bottom of the upper die plate 1, the driving rods 31 are inserted into the side insert block 30, and the inner end of the side insert block 30 is connected with the grid forming cavity 3. When the mold is opened, the upper die plate moves vertically upward to drive the driving rods to move vertically upward, and the driving rods move vertically upward to drive the side insert block to move horizontally away from the grid forming cavity.

[0037] The working principle of the utility model is: after product injection molding, the lifting assembly 7 can drive the middle top plate and the upper top plate to move upward, the middle top plate moving upward can drive the lower top plate to move upward through linkage structure, the upper top plate 4, the middle top plate 5 and the lower top plate 6 moving upward can drive the combined straight and inclined ejection assembly and the secondary ejection assembly 9 to eject the product upward for a distance to make the product and the lower die plate separate, when the grid product and the lower die plate separate, the secondary ejection assembly can also blow high pressure air to the grid product to make the grid product and the secondary ejection assembly separate, thereby preventing the grid product from being damaged when taking down the grid product;

[0038] When the upper top plate 4, the middle top plate 5 and the lower top plate 6 move upward, the rectangular top block can be driven to move upward by the air ejection rod and the auxiliary ejection rod 14 to apply a pushing force to the product, when the product separates from the lower die plate, the high pressure air pump can pass high pressure air into the rectangular top block through the high pressure air inlet pipe and the air ejection rod, after the high pressure air is discharged from the air outlet, the high pressure air can blow air to the connection between the grid product and the rectangular top block to make the product separate from the rectangular top block, thereby preventing the grid product from being damaged when taking down the grid product, when the middle top plate and the upper top plate move upward, the product can be applied with an oblique upward pushing force by the inclined ejection rod and the inclined top block, and the product can also be applied with a vertical upward pushing force by the straight ejection rod and the straight top block, and the four lifting oil cylinders can drive the middle top block and the upper top block to move vertically through the connecting head;

[0039] Through the injection liquid distribution plate and the plurality of injection tubes, multi-point glue feeding can be realized to improve the injection efficiency, when the middle top plate moves upward, the lower top plate can be driven to move vertically upward by the lifting hook and the protrusion, when the mold is opened, the upper die plate moving vertically upward can drive the driving rod to move vertically upward, and the driving rod moving vertically upward can drive the side insert block to move horizontally away from the grid forming cavity.

[0040] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

[0041] Although the upper die plate 1, the lower die plate 2, the grid forming cavity 3, the upper top plate 4, the intermediate top plate 5, the lower top plate 6, the lifting assembly 7, the linkage structure 8, the secondary ejection assembly 9, the rectangular top block 10, the gas top rod 11, the high-pressure air inlet pipe 12, the exhaust port 13, the auxiliary top rod 14, the first sliding block 15, the first sliding block seat 16, the grid forming surface 17, the inclined top block 18, the straight top block 19, the straight top rod 20, the inclined top rod 21, the second sliding block 22, the second sliding block seat 23, the jacking oil cylinder 24, the connecting head 25, the injection liquid distribution plate 26, the injection pipe 27, the lifting hook 28, the protruding block 29, the side insert block 30, the driving rod 31 and the like are used more in the present application, using these terms is only for more convenient description and explanation of the essence of the present application; it is contrary to the spirit of the present application to explain them as any kind of additional limitation.

Claims

1. A compact secondary ejection mechanism of an automobile air intake grille mold, comprising an upper mold plate (1) and a lower mold plate (2), characterized in that, The upper die plate (1) and the lower die plate (2) are provided with a grid forming cavity (3), the lower side of the lower die plate (2) is sequentially provided with an upper top plate (4), an intermediate top plate (5) and a lower top plate (6) from top to bottom, the lower die plate (2) is provided with a lifting assembly (7) connected with the upper top plate (4) and the intermediate top plate (5), the intermediate top plate (5) and the lower top plate (6) are provided with a linkage structure (8), the upper top plate (4), the intermediate top plate (5) and the lower top plate (6) are provided with a combined straight and inclined top ejection assembly connected with the grid forming cavity (3), and the lower top plate (6) is further provided with a secondary ejection assembly (9) connected with the grid forming cavity (3).

2. The compact secondary ejection mechanism of the automobile air intake grille mold according to claim 1, characterized in that, The secondary ejection assembly (9) comprises a plurality of rectangular top blocks (10) embedded on the lower die plate (2), the rectangular top blocks (10) are connected with the lower top plate (6) through two air ejection rods (11), the bottom of the air ejection rod (11) is connected with a high-pressure air inlet pipe (12), and the side of the rectangular top block (10) is provided with a plurality of air outlets (13).

3. The compact secondary ejection mechanism of the automobile air intake grille mold according to claim 2, characterized in that, The bottom of the rectangular top block (10) is further rotationally connected with an auxiliary ejection rod (14), the bottom of the auxiliary ejection rod (14) is rotationally connected with a first sliding block (15), and the lower top plate (6) is further fixedly connected with a first sliding block seat (16), the first sliding block (15) is arranged in the first sliding block seat (16) and is in sliding connection with the first sliding block seat (16).

4. The compact secondary ejection mechanism of the automobile air intake grille mold according to claim 2, characterized in that, The top surface of the rectangular top block (10) has a grid forming surface (17) matched with the grid forming cavity (3).

5. The compact secondary ejection mechanism of the automobile air intake grille mold according to claim 1, characterized in that, The combined straight and inclined top ejection assembly comprises a plurality of inclined top blocks (18) and a plurality of straight top blocks (19), the bottom of the straight top block (19) is connected with the upper top plate (4) or the intermediate top plate (5) through a straight ejection rod (20), and the bottom of the inclined top block (18) is connected with the upper top plate (4) through an inclined ejection rod (21).

6. The compact secondary ejection mechanism of the automobile air intake grille mold according to claim 5, characterized in that, The bottom of the inclined ejection rod (21) is rotationally connected with a second sliding block (22), the upper top plate (4) is fixedly connected with a second sliding block seat (23), and the second sliding block (22) is arranged in the second sliding block seat (23) and is in sliding connection with the second sliding block seat (23).

7. The compact secondary ejection mechanism of the automobile air intake grille mold according to claim 1, characterized in that, The lifting assembly (7) comprises four top lifting oil cylinders (24) fixed on the lower die plate (2), the output shaft end of the top lifting oil cylinder (24) is fixedly connected with a connection head (25) in the shape of an I-shaped section, and the connection head (25) is connected with the intermediate top plate (5).

8. The compact secondary ejection mechanism of the automobile air intake grille mold according to claim 1, characterized in that, The upper side of the upper die plate (1) is further provided with an injection liquid distribution plate (26), and the bottom of the injection liquid distribution plate (26) is connected with the grid forming cavity (3) through a plurality of injection pipes (27).

9. The compact secondary ejection mechanism of the automobile air intake grille mold according to claim 1, characterized in that, The linkage structure (8) comprises lifting hooks (28) fixed on both sides of the intermediate top plate (5), and the lower top plate (6) is provided with protrusions (29) corresponding to the lifting hooks (28) on both sides in a protruding mode.

10. The compact secondary ejection mechanism of the automobile air intake grille mold according to claim 1, characterized in that, The lower die plate (2) side is further provided with a side core pulling assembly connected with the grid forming cavity (3), the side core pulling assembly comprises a side insert block (30) slidingly arranged on the lower die plate (2) and two driving rods (31) obliquely fixed on the bottom of the upper die plate (1), the driving rods (31) are inserted into the side insert block (30), and the inner end of the side insert block (30) is connected with the grid forming cavity (3).

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