Forming die for product with lateral inverted buckle structure

Abstract

The utility model relates to the technical field of injection molds, and provides a forming mold for a product with a lateral inverted buckle structure, which comprises a fixed mold and a movable mold, a movable mold plate is arranged on one side of the movable mold, and a push plate is arranged between the movable mold and the movable mold plate; a straight ejector block is arranged on the movable mold and is connected with a straight ejector rod; the straight ejector rod movably penetrates through the movable mold and is connected to the push plate; a cavity matched with the fixed mold is formed in the straight ejector block; a plurality of groups of loose cores are arranged on the vertical side surface of the cavity; the loose core is configured to form an inverted buckle structure on the product; the loose core is slidably arranged on the movable mold; the pulling cores are connected with a side pulling assembly. The side pulling assembly is configured as follows: when the mold is opened, the pulling core is driven to retract into the movable mold and is separated from the inverted buckling structure; and during mold closing, the loose core is driven to reset. Therefore, the pulling core capable of moving transversely is arranged on the straight ejector block. And when the mold is opened, the product is ejected out by the whole straight ejection block, so that local stress of the product is avoided, and ejection marks on the appearance surface of the product are eliminated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection mold technical field, especially, relate to a kind of forming mould of product with lateral inverted buckle structure. BACKGROUND

[0002] Some components, such as bumpers, are directly shown to customers, and the appearance surface is required to be higher. The fixed mold is usually used to form the appearance surface, and the movable mold is used to form the assembly surface. For products with inverted buckle structure, an inclined ejector block is usually arranged on the movable mold to form the product. When the mold is opened, the inclined ejector block ejects the product from the assembly surface side. However, due to the ejecting force of the inclined ejector block, the product is locally deformed at the top, thereby forming marks on the appearance surface side. In severe cases, the appearance surface side may be deformed to change the color (white top).

[0003] After painting, color difference may occur at the position of the inclined ejection marks, which is more prominent in vision, destroys the overall aesthetics, and affects the customer experience.

[0004] At the same time, there is a gap between the inclined ejector block and the movable mold, so that flash is formed around the inverted buckle structure after the product is formed. After the product is formed, the flash needs to be trimmed, which increases the process.

[0005] In summary, the prior art has obvious inconvenience and defects in actual use, so it is necessary to improve. CONTENT OF THE UTILITY MODEL

[0006] In view of the above defects, the utility model mainly provides a forming mold for products with lateral inverted buckle structure to solve the technical problem of inclined ejection marks on the appearance surface of the product after injection molding.

[0007] In order to solve the above problems, the utility model provides a forming mold for products with lateral inverted buckle structure, which comprises a fixed mold and a movable mold. One side of the movable mold is provided with a movable mold plate, and a push plate is arranged between the movable mold and the movable mold plate. A straight ejector block is arranged on the movable mold, and the straight ejector block is connected with a straight ejector rod. The straight ejector rod is movably connected with the movable mold and connected with the push plate.

[0008] A cavity is formed on the straight ejector block to match the fixed mold. A plurality of core-pulling mechanisms are arranged on the vertical side of the cavity. The core-pulling mechanisms are configured to form the inverted buckle structure on the product. The core-pulling mechanisms are slidably arranged on the straight ejector block.

[0009] Each core-pulling mechanism is connected with a side pulling assembly. The side pulling assembly is configured to drive the core-pulling mechanism to retract into the straight ejector block and separate from the inverted buckle structure when the mold is opened, and drive the core-pulling mechanism to reset when the mold is closed.

[0010] According to the utility model discloses a forming mould of product with lateral reverse buckle structure, the cavity of straight top piece is recessed and forms cavity on the vertical side, and the core pulling extends into the cavity.

[0011] According to the utility model discloses a forming mould of product with lateral reverse buckle structure, the side core pulling assembly includes drive rod, one end of drive rod is equipped with drive groove, and the other end is fixedly connected with the drive block arranged on the bottom outside of straight top piece, and the spring is also clamped between drive block and straight top piece, and the guide column slidingly connected on straight top piece is also fixedly arranged on the drive block.

[0012] The upper part of core pulling is fixedly provided with the sliding groove plate slidingly matched with drive groove, and the sliding block is also fixedly arranged on the core pulling, and the core pulling groove slidingly matched with sliding block is formed in straight top piece.

[0013] According to the utility model discloses a forming mould of product with lateral reverse buckle structure, the guide column is four, and is evenly arranged at four corner positions of drive block.

[0014] According to the utility model discloses a forming mould of product with lateral reverse buckle structure, the cross section shape of drive groove is T type.

[0015] According to the utility model discloses a forming mould of product with lateral reverse buckle structure, the bottom of straight top piece is equipped with the accommodation chamber, and the movable mould is equipped with the protruding block matched with the accommodation chamber.

[0016] According to the utility model discloses a forming mould of product with lateral reverse buckle structure, the guide sleeve slidingly sleeved with drive rod is arranged in straight top piece.

[0017] According to the utility model discloses a forming mould of product with lateral reverse buckle structure, the bolt plate is fixedly arranged on the outside of guide sleeve.

[0018] According to the utility model discloses a forming mould of product with lateral reverse buckle structure, the limiting surface is arranged on the outer wall of drive rod, the mounting hole of drive block is inserted with drive rod, and the positioning surface matched with limiting surface is arranged on the side wall of mounting hole.

[0019] According to the utility model discloses a forming mould of product with lateral reverse buckle structure, the straight top rod is four.

[0020] In conclusion, the utility model discloses a core pulling movable transversely on straight top piece, when opening mould, the whole straight top piece ejects product, avoids partial force of product, eliminates the ejection mark on the appearance of product, and the reverse buckle structure is integrally formed with product, avoids the flash, reduces the finishing process, reduces production cost, makes the appearance of product consistent, and enhances the aesthetic feeling. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1It is the structural schematic diagram of the utility model;

[0022] Figure 2 It is Figure 1 It is the structural schematic diagram of the straight top block;

[0023] Figure 3 It is Figure 2 It is the structural schematic diagram of A direction;

[0024] Figure 4 It is the structural schematic diagram of the movable mold of the utility model;

[0025] Figure 5 It is the structural schematic diagram of the side extraction assembly of the utility model;

[0026] Figure 6 It is Figure 5 It is the exploded structural schematic diagram of the local area;

[0027] In the drawing: 1 - movable mold, 11 - movable mold plate, 12 - push plate, 13 - protruding block; 2 - straight top block, 21 - straight top rod, 22 - cavity, 23 - give way chamber, 24 - guide sleeve; 3 - core pulling, 31 - driving rod, 311 - driving groove, 312 - limiting surface; 32 - driving block, 321 - mounting hole, 322 - positioning surface; 33 - sliding block, 34 - guide column, 35 - spring, 36 - bolt plate, 37 - sliding groove plate. DETAILED DESCRIPTION

[0028] Referring to Figure 1 , the utility model provides a kind of forming mould of product with lateral reverse buckle structure, including fixed mould and movable mold 1;The movable mold 1 side is equipped with movable mold plate 11, and movable mold 1 is equipped with push plate 12 between movable mold plate 11;Movable mold 1 is equipped with straight top block 2, and straight top block 2 is connected straight top rod 21;Straight top rod 21 is movably connected in movable mold 1 and is connected on push plate 12;

[0029] When opening mold, push plate 12 moves and drives straight top rod 21 to push straight top block 2 away from movable mold 1, to make product separate from movable mold 1.As a kind of implementation mode, the straight top rod 21 is four, and makes straight top block 2 steady push.

[0030] Referring to Figure 2 , the straight top block 2 is equipped with cavity matched with fixed mould, and the vertical side of the cavity is equipped with multiple core pullings 3;Core pulling 3 is configured as: forming corresponding reverse buckle structure on product in cavity;Core pulling 3 is slidably arranged on straight top block 2;

[0031] Combined Figure 5 , each core pulling 3 is connected with side extraction assembly;The side extraction assembly is configured as: when opening mold, drive core pulling 3 to retract into straight top block 2, and separate from reverse buckle structure;When closing mold, drive core pulling 3 to reset.

[0032] The utility model discloses a core-pulling 3 is arranged on the straight top block 2 and can move horizontally.

[0033] The inverted buckle structure is integrally formed with the product, avoids the appearance of the flash, reduces the finishing process, reduces the production cost, makes the appearance of the product consistent and enhances the aesthetic feeling.

[0034] The utility model discloses a core-pulling 3 is arranged on the straight top block 2 and can move horizontally.

[0035] As an embodiment, the cavity of the straight top block 2 is concave to form a cavity 22 on the vertical side; the core-pulling 3 is inserted into the cavity 22; after injection molding, the core-pulling 3 forms a hole structure in the cavity 22. This embodiment only forms a flash on the periphery of the hole, and the other parts of the product are integrally formed, which improves the consistency of the product and the overall aesthetic feeling.

[0036] Combined with Figure 6 As an embodiment, the side-pulling assembly of the utility model comprises a driving rod 31; one end of the driving rod 31 is provided with a driving groove 311, and the other end is fixedly connected with a driving block 32 arranged outside the bottom of the straight top block 2; a spring 35 is also clamped between the driving block 32 and the straight top block 2; a guide column 34 is also fixedly arranged on the driving block 32 and slidably connected with the straight top block 2.

[0037] Preferably, the guide column 34 is four, and is uniformly arranged at four corner positions of the driving block 32; so that the driving block 32 can move smoothly and avoid being stuck.

[0038] The core-pulling 3 is fixedly provided with a sliding groove plate 37 that is in sliding cooperation with the driving groove 311; the core-pulling 3 is also fixedly provided with a sliding block 33, and the straight top block 2 is provided with a core-pulling groove that is in sliding cooperation with the sliding block 33.

[0039] Preferably, the cross-sectional shape of the driving groove 311 is T-shaped. The cooperation with the sliding groove plate 37 is stable.

[0040] When the mold is opened, the spring 35 pushes the driving block 32 and drives the driving rod 31 to move vertically. Under the joint limitation of the driving groove 311 and the core-pulling groove, the core-pulling 3 is retracted into the straight top block 2 and is demolded from the inverted buckle structure.

[0041] When the mold is closed, the driving block 32 is extruded by the drag mold 1, drives the driving rod 31 to reset, and then resets the core-pulling 3. The spring 35 is compressed and stored in the closing process.

[0042] Referring to Figure 3 and Figure 4As an embodiment, the bottom of the straight top block 2 is provided with a clearance chamber 23, and the movable mold 1 is provided with a protrusion 13 matched with the clearance chamber 23; when the mold is closed, the protrusion 13 extrudes the driving block 32, so as to reset the core-pulling block 3.

[0043] As an embodiment, the straight top block 2 is provided with a guide sleeve 24 sleeved with the driving rod 31; the driving rod 31 can slide smoothly.

[0044] Better, the outer side of the guide sleeve 24 is fixed with a bolt plate 36; the bolt plate 36 is penetrated by a bolt to fix the guide sleeve 24 on the straight top block 2, so as to facilitate installation.

[0045] As an embodiment, the outer wall of the driving rod 31 is provided with a limiting surface 312; the driving block 32 is provided with a mounting hole 321 sleeved with the driving rod 31, and the side wall of the mounting hole 321 is provided with a positioning surface 322 matched with the limiting surface 312; when installed, the situation that the core-pulling block 3 is oriented incorrectly is prevented.

[0046] In summary, the utility model provides a kind of forming mould of product with lateral reverse buckling structure, by setting up the core-pulling block of transverse movement on straight top block.Product is ejected by whole straight top block when mold is opened, avoid the local force of product, eliminate the ejecting mark on the appearance of product.And reverse buckling structure is integrally formed with product, avoid appearing flash, reduce finishing process, reduce production cost, also make the appearance of product consistent, enhance aesthetic feeling.

[0047] Of course, the utility model can also have other various embodiments, without departing from the spirit and essence of the utility model, skilled in the art person when can make various corresponding changes and deformation according to the utility model, but these corresponding changes and deformation should all belong to the protection scope of the claims attached to the utility model.

Claims

1. A molding die for a product with a side-overturned structure, characterized in that, It includes a fixed mold and a moving mold; a moving template is provided on one side of the moving mold, and a push plate is provided between the moving mold and the moving template; a straight ejector block is provided on the moving mold, and the straight ejector block is connected to a straight ejector rod; the straight ejector rod movably passes through the moving mold and is connected to the push plate; The ejector block has a cavity that mates with the fixed mold, and the vertical side of the cavity has multiple sets of core pulls; the core pulls are configured to form the undercut structure described on the product; the core pulls are slidably disposed on the ejector block; Each core-pulling component is connected to a single-side core-pulling assembly. The side-pulling assembly is configured such that: when the mold is opened, the core puller is driven to retract into the straight ejector block and separate from the undercut structure; when the mold is closed, the core puller is driven to reset.

2. The molding die for a product with a side-overturned structure as described in claim 1, characterized in that, The cavity of the straight-top block is recessed on its vertical side to form a cavity; the core puller extends into the cavity.

3. The molding die for a product with a side-overturned structure as described in claim 1, characterized in that, The side-pull assembly includes a drive rod; one end of the drive rod is provided with a drive groove, and the other end is fixedly connected to a drive block located on the outer side of the bottom of the straight push block; a spring is also sandwiched between the drive block and the straight push block; a guide post that slides through the straight push block is also fixedly provided on the drive block. The core-pulling device is fixedly provided with a sliding groove plate that slides in conjunction with the drive groove; a slider is also fixedly provided on the core-pulling device, and a core-pulling groove that slides in conjunction with the slider is provided on the straight top block.

4. The molding die for a product with a side-overturned structure as described in claim 3, characterized in that, There are four guide posts, which are evenly distributed at the four corners of the drive block.

5. The molding die for a product with a side-overturned structure as described in claim 3, characterized in that, The cross-sectional shape of the drive groove is T-shaped.

6. The molding die for a product with a lateral undercut structure as described in claim 3, characterized in that, The bottom of the straight top block is provided with a relief chamber, and the moving mold is provided with a protrusion that mates with the relief chamber.

7. The molding die for a product with a side-overturned structure as described in claim 3, characterized in that, The straight-top block is provided with a guide sleeve that is slidably engaged with the drive rod.

8. The molding die for a product with a side-overturned structure as described in claim 7, characterized in that, A bolt plate is fixed on the outer surface of the guide sleeve.

9. The molding die for a product with a side-overturned structure as described in claim 3, characterized in that, The outer wall of the drive rod is provided with a limiting surface; the drive block is provided with a mounting hole for inserting the drive rod, and the side wall of the mounting hole is provided with a positioning surface that fits with the limiting surface.

10. The molding die for a product with a lateral undercut structure as described in any one of claims 1 to 9, characterized in that, There are four straight push rods.

Images