Anti-epitome multi-point sequence valve pouring mechanism for air-inlet grille mold of SUV (sports utility vehicle)

Abstract

The utility model provides an anti-epitome multipoint sequence valve pouring mechanism for an air-inlet grille mold of an SUV (sports utility vehicle), and belongs to the technical field of molds. The injection mold comprises a lower mold plate, a partition plate, an injection molding plate and a bottom plate are sequentially arranged on the lower side of the lower mold plate from top to bottom, a top plate is arranged between the lower mold plate and the partition plate, and a forming insert with a lower forming face forming a forming cavity is arranged at the top of the lower mold plate in a protruding mode. And a self-translation type side ejection mechanism connected with the forming cavity is arranged on the rear side of the forming insert. After a product is subjected to injection molding, when the top plate moves upwards, thrust can be applied to the vertical parting surface position of the product through the self-translation type side ejection mechanism, so that the vertical parting surface position of the product is prevented from being distorted and deformed during ejection, and the self-translation type side ejection mechanism can also move upwards to eject the product and can also push the vertical parting surface position of the product to a certain degree. And the automatic core pulling assembly can generate horizontal displacement towards one side far away from the forming insert to realize automatic core pulling, and can perform automatic core pulling during mold opening.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field relates to a kind of SUV automobile air intake grille mould prevents shrinkage multi-point sequential valve pouring mechanism. BACKGROUND

[0002] SUV automobile air intake grille is generally formed by mould injection molding, the ejection mechanism of air intake grille mould in prior art can only exert thrust from the inside of product from bottom to top, vertical parting surface position of air intake grille side is easy to distort and deform even damage when ejecting.

[0003] For example, a kind of automobile air intake grille injection mould is disclosed in Chinese patent [application number: 202410386804.3], including movable die holder, the side surface of movable die holder is equipped with upper cavity, fixed mould includes fixed die holder and ejection assembly, fixed die holder is located in the side of movable die holder equipped with upper cavity, the side of fixed die holder towards movable die holder is equipped with lower cavity, upper cavity and lower cavity are matched for processing product, ejection assembly includes ejector rod and ejector block, ejector rod is slidably connected to fixed die holder, ejector block is connected to the end of ejector rod towards movable die holder, the side surface of ejector block away from ejector rod is flush with the cavity bottom of lower cavity, ejector block is equipped with several, several ejector blocks are evenly distributed in the cavity bottom of lower cavity. UTILITY MODEL CONTENTS

[0004] The utility model aims at above-mentioned problem, provide a kind of SUV automobile air intake grille mould prevents shrinkage multi-point sequential valve pouring mechanism.

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

[0006] A kind of SUV automobile air intake grille mould prevents shrinkage multi-point sequential valve pouring mechanism, including lower mould plate, the lower side of lower mould plate is sequentially provided with partition, injection plate and bottom plate from top to bottom, the top of lower mould plate is provided with the forming insert with lower forming surface of forming cavity, the rear side of forming insert is provided with the self-translation side ejection mechanism connected with forming cavity, the self-translation side ejection mechanism is connected with top plate, the front side of the top of forming insert is provided with automatic core-pulling assembly.

[0007] In the above-mentioned SUV automobile air intake grille mould prevents shrinkage multi-point sequential valve pouring mechanism, the self-translation side ejection mechanism includes the large side top block of being arranged at the rear side of forming insert, the inner end of large side top block is in contact with the side portion of forming insert, the large side top block is connected with the straight ejector rod fixed on top plate by sliding connection structure, the top of lower mould plate is also provided with inclined guide structure connected with large side top block.

[0008] The inclined guide structure comprises two inclined guide rods which are inclinedly arranged on the lower die plate, and the inclined guide rods are inserted into the large side ejection block and are in sliding fit with the large side ejection block.

[0009] In the SUV air intake grille mold anti-shrinking multi-point sequential valve pouring mechanism, the distance between the inclined guide rod and the forming insert gradually increases from top to bottom.

[0010] In the SUV air intake grille mold anti-shrinking multi-point sequential valve pouring mechanism, the sliding connection structure comprises a connecting block which is fixed at the top of the straight ejector rod and has a T-shaped cross section, the bottom of the large side ejection block is recessed inward and provided with a connecting groove which has a T-shaped cross section, and the connecting block is inserted into the connecting groove and is in sliding fit with the connecting groove.

[0011] In the SUV air intake grille mold anti-shrinking multi-point sequential valve pouring mechanism, the lower die plate is further fixedly connected with a limiting sliding sleeve, and the connecting part of the straight ejector rod and the lower die plate is located in the limiting sliding sleeve.

[0012] In the SUV air intake grille mold anti-shrinking multi-point sequential valve pouring mechanism, the bottom end of the inclined guide rod penetrates the lower die plate and is fixed on the lower die plate through a fixing seat.

[0013] In the SUV air intake grille mold anti-shrinking multi-point sequential valve pouring mechanism, the automatic core pulling assembly comprises a sliding seat which is slidably arranged at the bottom end of the forming insert, the inner end surface of the sliding seat is connected with the forming cavity, and the sliding seat driving structure is further arranged.

[0014] In the SUV air intake grille mold anti-shrinking multi-point sequential valve pouring mechanism, the sliding seat driving structure comprises a driving rod which is inclinedly fixed on the upper die plate, and the driving rod is inserted into the sliding seat.

[0015] In the SUV air intake grille mold anti-shrinking multi-point sequential valve pouring mechanism, the injection plate is provided with an injection liquid distribution plate, a plurality of injection pipes are fixedly connected to the injection liquid distribution plate and penetrate the partition plate, the top plate and the lower die plate, and a plurality of sequential valves are arranged on the injection liquid distribution plate and correspond to the injection pipes.

[0016] Compared with the prior art, the SUV air intake grille mold anti-shrinking multi-point sequential valve pouring mechanism has the following advantages:

[0017] 1. After the product is injection molded, the vertical parting surface position of the product can be prevented from being distorted when the top plate moves upward by the self-translation side ejection mechanism exerting a pushing force on the vertical parting surface position of the product, and the self-translation side ejection mechanism can also produce horizontal displacement away from the molding insert when moving upward to eject the product, thereby achieving automatic core pulling, and the automatic core pulling assembly can automatically pull the core when the mold is opened.

[0018] 2. When the top plate moves upward, the large side ejection block can be driven upward by the straight ejection rod, and the inclined guide structure can drive the large side ejection block to produce horizontal displacement away from the molding insert when the large side ejection block moves upward, thereby achieving automatic core pulling of the large side ejection block, and the sliding connection structure can connect the large side ejection block and the straight ejection rod while allowing the large side ejection block and the straight ejection rod to slide relative to each other.

[0019] Other advantages, objects and features of the present application will be apparent from the following description, and will be understood by those skilled in the art upon reading and understanding the specification. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a partial structure schematic diagram of the present application;

[0021] Figure 2 is a structure schematic diagram of the front of the self-translation side ejection mechanism;

[0022] Figure 3 is a structure schematic diagram of the back of the self-translation side ejection mechanism;

[0023] Figure 4 is Figure 3 is an enlarged schematic diagram of position A in FIG.

[0024] Figure 5 is Figure 1 is an enlarged schematic diagram of position B in FIG.

[0025] In the drawings, the lower mold plate 1, the partition plate 2, the injection plate 3, the bottom plate 4, the top plate 5, the lower molding surface 6, the molding insert 7, the self-translation side ejection mechanism 8, the automatic core pulling assembly 9, the large side ejection block 10, the sliding connection structure 11, the straight ejection rod 12, the inclined guide structure 13, the inclined guide rod 14, the connecting block 15, the connecting groove 16, the limiting sliding sleeve 17, the fixed seat 18, the sliding seat 19, and the driving rod 20. DETAILED DESCRIPTION

[0026] As Figures 1-5As shown, a kind of SUV car air intake grille mold prevents shrinking multi-point sequential valve pouring mechanism, including lower die plate 1, the lower side of the lower die plate 1 is sequentially provided with partition plate 2, injection plate 3 and bottom plate 4 from top to bottom, the top plate 5 is arranged between the lower die plate 1 and partition plate 2, the top of the lower die plate 1 is protrudingly provided with the forming insert 7 with the lower forming surface 6 of the forming cavity, the rear side of the forming insert 7 is provided with the self-translation side ejection mechanism 8 connected with forming cavity, the self-translation side ejection mechanism 8 is connected with top plate 5, and the front side of the top of the forming insert 7 is provided with automatic core-pulling assembly 9.

[0027] In the utility model, when the top plate moves upward, the self-translation side ejection mechanism can exert a pushing force on the vertical parting surface position of the product, so as to prevent the vertical parting surface position of the product from being distorted during ejection, and the self-translation side ejection mechanism can also produce horizontal displacement to the side away from the forming insert when moving upward to eject the product, so as to realize automatic core-pulling.

[0028] Specifically, the self-translation side ejection mechanism 8 includes a large side ejection block 10 arranged at the rear side of the forming insert 7, the inner end of the large side ejection block 10 abuts against the side of the forming insert 7, the large side ejection block 10 is connected with a straight ejector rod 12 fixed on the top plate 5 through a sliding connection structure 11, and the top of the lower die plate 1 is also provided with an inclined guide structure 13 connected with the large side ejection block 10. When the top plate moves upward, the large side ejection block can be driven to move upward by the straight ejector rod, the inclined guide structure can drive the large side ejection block to produce horizontal displacement away from the forming insert when the large side ejection block moves upward, so as to realize automatic core-pulling of the large side ejection block, and the sliding connection structure can realize the connection of the large side ejection block and the straight ejector rod, and enable the large side ejection block and the straight ejector rod to slide relative to each other.

[0029] Specifically, the inclined guide structure 13 includes two inclined guide rods 14 inclinedly arranged on the lower die plate 1, the inclined guide rods 14 are inserted into the large side ejection block 10 and slide-fitted with the large side ejection block 10, and the distance between the inclined guide rods 14 and the forming insert 7 gradually increases from top to bottom. When the large side ejection block moves upward, the large side ejection block can produce horizontal displacement while moving upward under the action of the inclined guide rods, so as to separate the large side ejection block and the product.

[0030] Specifically, the sliding connection structure 11 includes a connecting block 15 fixed on the top of the straight ejector rod 12 and having a T-shaped cross section, the bottom of the large side ejection block 10 is recessed inward and provided with a connecting groove 16 having a T-shaped cross section, and the connecting block 15 is inserted into the connecting groove 16 and slide-fitted with the connecting groove 16. The straight ejector rod and the large side ejection block are connected through the connecting block and the connecting groove, so that the large side ejection block and the straight ejector rod can slide relative to each other, which provides a prerequisite for the large side ejection block to produce horizontal displacement while moving upward.

[0031] Preferably, the lower mold plate 1 is further fixedly connected with a limiting sleeve 17, the connecting position of the straight ejector rod 12 with the lower mold plate 1 is located in the limiting sleeve 17, and the bottom end of the inclined guide rod 14 penetrates through the lower mold plate 1 and is fixed on the lower mold plate 1 through a fixing seat 18. The limiting sleeve can limit the straight ejector rod.

[0032] Specifically, the automatic core pulling assembly 9 comprises a sliding seat 19 slidingly arranged at the bottom end of the forming insert 7, the inner end surface of the sliding seat 19 is connected with the forming cavity, and the sliding seat driving structure comprises a driving rod 20 obliquely fixed on the upper mold plate and inserted into the sliding seat 19. When the mold is opened, the upward movement of the upper mold plate can drive the driving rod to move upward, and the upward movement of the driving rod can drive the sliding seat to move horizontally away from the forming cavity.

[0033] Preferably, the injection plate 3 is provided with an injection liquid distribution plate, a plurality of injection pipes penetrating through the partition plate 2, the top plate 5 and the lower mold plate 1 are fixedly connected to the injection liquid distribution plate, and a plurality of sequence valves corresponding to the injection pipes are arranged on the injection liquid distribution plate. The injection liquid distribution plate and the plurality of injection pipes can realize multi-point glue feeding, the sequence valves can control the glue feeding sequence among the plurality of injection pipes, the injection liquid distribution plate arranged on the lower side of the lower mold plate can make the injection liquid enter from the bottom of the forming cavity, the glue hole can be formed on the inner side of the product, and the influence on the quality of the outer surface of the product can be prevented.

[0034] The working principle of the utility model is: when the product is injection molded, the upward movement of the top plate can exert a pushing force on the vertical parting surface position of the product through the self-translation type side ejection mechanism, so as to prevent the vertical parting surface position of the product from being distorted and deformed when being ejected, and the self-translation type side ejection mechanism can also produce horizontal displacement to the side away from the forming insert when moving upward to eject the product, so as to realize automatic core pulling, and the automatic core pulling assembly can automatically pull the core when the mold is opened.

[0035] When the top plate moves upward, the straight ejector rod can drive the large side ejection block to move upward, the inclined guide structure can drive the large side ejection block to produce horizontal displacement away from the forming insert when the large side ejection block moves upward, so as to realize the automatic core pulling of the large side ejection block, the sliding connection structure can realize the connection of the large side ejection block and the straight ejector rod, and the large side ejection block and the straight ejector rod can produce relative sliding, the large side ejection block can produce horizontal displacement while moving upward under the action of the inclined guide rod, so as to make the large side ejection block and the product separate, the straight ejector rod and the large side ejection block are connected through the connecting block and the connecting groove, so that the large side ejection block and the straight ejector rod can produce relative sliding, which provides a prerequisite for the horizontal displacement of the large side ejection block while moving upward, and the limiting sleeve can limit the straight ejector rod.

[0036] When the mold is opened, the upper mold plate moves upward to drive the driving rod to move upward, the driving rod moves upward to drive the sliding seat to move horizontally away from the forming cavity, the multi-point glue feeding can be realized through the injection liquid distribution plate and the plurality of injection tubes, the sequence valve is arranged to control the glue feeding sequence between the plurality of injection tubes, the injection liquid distribution plate is arranged on the lower side of the lower mold plate to enable the injection liquid to enter from the bottom of the forming cavity, the glue hole can be formed on the inner side of the product, and the influence on the surface quality of the product is prevented.

[0037] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application 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 present application or exceed the scope defined by the appended claims.

[0038] Although the lower mold plate 1, the partition plate 2, the injection plate 3, the bottom plate 4, the top plate 5, the lower forming surface 6, the forming insert 7, the self-translation type side ejection mechanism 8, the automatic core pulling assembly 9, the large side ejection block 10, the sliding connection structure 11, the straight top rod 12, the inclined guide structure 13, the inclined guide rod 14, the connecting block 15, the connecting groove 16, the limiting sliding sleeve 17, the fixing seat 18, the sliding seat 19, the driving rod 20 and the like are used more frequently herein, the use of these terms is only for more convenient description and explanation of the essence of the present application; any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A multi-point sequential valve gating mechanism for preventing shrinkage of a mold for a SUV air intake grille, comprising a lower mold plate (1), characterized in that, The lower mold plate (1) is provided with a partition plate (2), an injection plate (3) and a bottom plate (4) from top to bottom, a top plate (5) is arranged between the lower mold plate (1) and the partition plate (2), a forming insert (7) with a lower forming surface (6) forming a forming cavity is arranged on the top of the lower mold plate (1), a self-translation side ejection mechanism (8) connected with the forming cavity is arranged on the rear side of the forming insert (7), the self-translation side ejection mechanism (8) is connected with the top plate (5), and an automatic core pulling assembly (9) is arranged on the front side of the top of the forming insert (7).

2. The SUV air intake grille mold anti- shrinkage multi-point sequential valve gating mechanism according to claim 1, characterized in that, The self-translation side ejection mechanism (8) comprises a large side ejection block (10) arranged on the rear side of the forming insert (7), the inner end of the large side ejection block (10) is abutted with the side of the forming insert (7), the large side ejection block (10) is connected with a straight ejector rod (12) fixed on the top plate (5) through a sliding connection structure (11), and an inclined guide structure (13) connected with the large side ejection block (10) is further arranged on the top of the lower mold plate (1).

3. The SUV air intake grille mold anti- shrinkage multi-point sequential valve gating mechanism according to claim 2, characterized in that, The inclined guide structure (13) comprises two inclined guide rods (14) arranged on the lower mold plate (1), the inclined guide rods (14) are inserted into the large side ejection block (10) and are in sliding fit with the large side ejection block (10).

4. The SUV air intake grille mold anti- shrinkage multi-point sequential valve gating mechanism according to claim 3, characterized in that, The distance between the inclined guide rods (14) and the forming insert (7) gradually increases from top to bottom.

5. The SUV air intake grille mold anti- shrinkage multi-point sequential valve gating mechanism of claim 4, wherein, The sliding connection structure (11) comprises a connecting block (15) fixed on the top of the straight ejector rod (12) and having a T-shaped cross section, the bottom of the large side ejection block (10) is recessed inward and provided with a connecting groove (16) having a T-shaped cross section, and the connecting block (15) is inserted into the connecting groove (16) and is in sliding fit with the connecting groove (16).

6. The SUV air intake grille mold anti- shrinkage multi-point sequential valve gating mechanism according to claim 5, characterized in that, The lower mold plate (1) is further fixedly connected with a limiting sliding sleeve (17), and the connecting part of the straight ejector rod (12) and the lower mold plate (1) is located in the limiting sliding sleeve (17).

7. The SUV air intake grille mold anti- shrinkage multi-point sequential valve gating mechanism of claim 4, wherein, The bottom end of the inclined guide rod (14) penetrates through the lower mold plate (1) and is fixed on the lower mold plate (1) through a fixing seat (18).

8. The SUV air intake grille mold anti- shrinkage multi-point sequential valve gate mechanism of claim 1, wherein, The automatic core pulling assembly (9) comprises a sliding seat (19) slidingly arranged on the bottom end of the forming insert (7), the inner end surface of the sliding seat (19) is connected with the forming cavity, and a sliding seat driving structure is further arranged.

9. The SUV air intake grille mold anti- shrinkage multi-point sequential valve gating mechanism according to claim 8, characterized in that, The sliding seat driving structure comprises a driving rod (20) obliquely fixed on the upper mold plate, and the driving rod (20) is inserted into the sliding seat (19).

10. The SUV air intake grille mold anti- shrinkage multi-point sequential valve gate gating mechanism of claim 1, wherein, The injection plate (3) is provided with an injection liquid distribution plate, a plurality of injection pipes penetrating through the partition plate (2), the top plate (5) and the lower mold plate (1) are fixedly connected to the injection liquid distribution plate, and a plurality of sequence valves corresponding to the injection pipes are further arranged on the injection liquid distribution plate.

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