Multifunctional bullet injection mold

Abstract

The utility model provides a multifunctional elastic injection mold which comprises a jackscrew (1), an upper panel (2), a stripper plate (3), an upper mold plate (4), a lower mold plate (5), mold feet (6), a material returning ejector rod (7), a material returning ejector plate 1 (8), a material returning ejector plate 2 (9), a lower panel (10), a material pulling shaft (11), a limiting shaft shoulder bolt (12), a guide column (13), a pull rod 1 (14), a pull rod 2 (15), a mold opening and closing device (16), an injection nozzle (17), a first inner hexagon bolt (18) and a second inner hexagon bolt (19). The problems of insufficient injection molding and injection molding sand holes are solved, the product quality and the production efficiency are improved, the labor intensity of operators is relieved, the consistency of the sizes of products is ensured, 16 materials are discharged at a time, and the consumption of raw materials is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection molding technical field relates to a kind of multifunctional bullet injection mold. BACKGROUND

[0002] Certain type of multifunctional bullet (such as fireworks, saluting shell etc.) usually uses reinforced nylon as injection raw material. Since reinforced nylon is poor in flowability compared with ordinary nylon and injection temperature is higher, leading to more raw material consumption, and consistency degree is poorer. Therefore, in order to guarantee the premise of subsequent processing allowance, reduce raw material consumption, so design a kind of multifunctional bullet injection mold, while guaranteeing that product consistency is high, realize one 16 material and reduce raw material consumption. CONTENT OF UTILITY MODEL

[0003] The technical problem of the utility model is:

[0004] Since reinforced nylon is poor in flowability compared with ordinary nylon and injection temperature is higher, leading to more raw material consumption, and consistency degree is poorer.

[0005] The purpose of the utility model is:

[0006] In order to guarantee the premise of subsequent processing allowance, reduce raw material consumption, so design a kind of multifunctional bullet injection mold, while guaranteeing that product consistency is high, realize one 16 material and reduce raw material consumption.

[0007] The technical scheme of the utility model is:

[0008] The utility model provides a kind of multi-functional elastic injection mould, upper panel and lower panel are installed on the platform of equipment both ends using presser plate, 1 injection nozzle is installed in upper panel, 16 material pulling shafts are installed in upper panel and are fixed using 16 jackscrews, 4 limit shafts are installed in upper panel, stripping plate is adjacent with upper panel and is connected with upper panel by 2 guide columns, 4 pull rods 2 are installed in stripping plate, two die feet are adjacent with lower panel and are connected with lower panel by 4 inner hexagonal bolts, lower die plate is located between upper die plate and die foot, is connected with die foot by 2 guide columns, 2 pull rods are installed in lower die plate, 4 mould openers are installed on lower die plate;Material stripping top plate 2 is adjacent with lower panel, material stripping top plate 1 is adjacent with material stripping top plate 2, 16 material stripping top rods are installed in material stripping top plate 1, material stripping top plate 1 is connected with lower die plate by 16 material stripping top rods, material stripping top plate 2 is fixed on material stripping top plate 1 by 4 hexagon bolts, after mould closing, raw material melted at high temperature enters the cavity of upper die plate and lower die plate from injection nozzle, after cooling and forming, equipment drives lower die plate to move away from upper die plate, upper die plate and lower die plate are separated to complete mould opening, equipment moves material stripping top plate 2 to upper die plate direction by lower die plate through hole, material stripping rod ejects product, falls in material box, pull rod 1 drives lower die plate to move away from upper die plate, the opener of mould on lower die plate drives upper die plate to move away from upper die plate, pull rod 2 in upper die plate drives stripping plate to move away from upper die plate, waste material side is left between stripping plate and upper die plate due to the effect of 16 material pulling shafts of mould.

[0009] The utility model has the advantages and beneficial effects that:

[0010] The utility model completes a kind of multi-functional elastic injection mould by redesigning mould cavity, runner, realizes the injection molding of product, solves the problem of injection molding, injection molding sand eye, improves product quality, improves production efficiency, reduces the labor intensity of operator, guarantees the consistency of product size, realizes 16 materials and reduces raw material consumption. DRAWINGS

[0011] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiments of the utility model will be simply introduced as follows, obviously, the drawings described below are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for the person skilled in the art.

[0012] Figure 1 It is a kind of multi-functional elastic injection mould tool structure schematic view of the embodiment of the utility model;

[0013] Figure 2 It is a kind of multi-functional elastic injection mould tool structure schematic view of another embodiment of the utility model;

[0014] Figure 3 A multifunctional elastic injection mold tool structure schematic view of another embodiment of the utility model;

[0015] Figure 4 (a) is the upper die plate 4 exhaust groove schematic view of an embodiment of the utility model;

[0016] Figure 4 (b) is the upper die plate 4 exhaust groove graph local enlarged schematic view of an embodiment of the utility model;

[0017] Figure 5 The structure schematic view of product 21 before injection molding (to be product 20) of an embodiment of the utility model;

[0018] Figure 6 The structure schematic view of product 21 before injection molding of an embodiment of the utility model.

[0019] Figure 1 Middle: 1 top wire, 2 upper panel, 3 stripping plate, 4 upper die plate, 5 lower die plate, 6 die foot, 7 stripping ejector rod, 8 stripping ejector plate 1, 9 stripping ejector plate 2, 10 lower panel, 11 stripping shaft, 12 limit shaft shoulder bolt, 13 guide column, 14 pull rod 1, 15 pull rod 2, 16 mold switch, 17 injection nozzle, 18 first inner hexagonal bolt, 19 second inner hexagonal bolt, 20 to be product, 21 product. Specific implementation

[0020] To make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the technical scheme in the embodiment of the utility model will be clearly and completely described below with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the protection of the utility model.

[0021] It should be noted that the features in the embodiment of the utility model and the embodiment can be combined with each other without conflict, and each embodiment can be mutually referenced and quoted. The utility model will be described in detail below with reference to the drawings and in combination with the embodiment.

[0022] Figure 1 A multifunctional elastic injection mold tool structure schematic view of another embodiment of the utility model; Figure 2 A multifunctional elastic injection mold tool structure schematic view of another embodiment of the utility model; Figure 3 A multifunctional elastic injection mold tool structure schematic view of another embodiment of the utility model; Figure 4a The upper die plate 4 exhaust groove schematic view of an embodiment of the utility model; Figure 4bIt is an embodiment of the utility model upper template 4 exhaust groove view local enlarged schematic view.

[0023] Please refer to Figure 1 To figure 4 each figure, a multifunctional injection molding mold tool mainly includes: top wire 1, upper panel 2, stripping plate 3, upper template 4, lower template 5, die foot 6, material withdrawal ejector rod 7, material withdrawal top plate 18, material withdrawal top plate 29, lower panel 10, material pulling shaft 11, limit shaft shoulder bolt 12, guide pillar 13, pull rod 114, pull rod 215, mold switch 16, injection nozzle 17, first inner hex bolt 18, second inner hex bolt 19.

[0024] Among them, upper panel 2 and lower panel 10 are installed with pressing plate on the platform of both ends of equipment, the 1 injection nozzle 17 is installed in upper panel 2, the 16 material pulling shafts 11 are installed in upper panel 2 and are fixed with 16 top wires 1, the 4 limit shaft shoulder bolts 12 are installed in upper panel 2, the stripping plate 3 is adjacent to upper panel 2 and is connected with upper panel 2 through two guide pillars 13, the 4 pull rods 215 are installed in stripping plate, the two die feet 6 are adjacent to lower panel 10 and are connected with lower panel 10 through four inner hex bolts 18, the lower template 5 is located between upper template 4 and die foot 6 and is connected with die foot 6 through two guide pillars 13, the two pull rods are installed in lower template 5, the four mold switches 16 are installed on lower template 5, the material withdrawal top plate 29 is adjacent to lower panel 10, the material withdrawal top plate 18 is adjacent to material withdrawal top plate 29, the 16 material withdrawal ejector rods 7 are installed in material withdrawal top plate 18, the material withdrawal top plate 18 is connected with lower template 5 through 16 material withdrawal ejector rods 7, the material withdrawal top plate 29 is fixed on material withdrawal top plate 18 through four hex bolts 19, after mold closing, high-temperature molten raw materials enter the cavity of upper template 4 and lower template 5 from injection nozzle 17, after cooling and forming, the equipment drives lower panel 10 of mold to move away from upper panel 2, upper template 4 and lower template 5 are separated to complete mold opening, the equipment moves material withdrawal top plate 29 to upper panel 2 direction through lower panel 10 through hole, the material withdrawal ejector rod 7 ejects product 21, which falls into the material box, the pull rod 114 pulls lower template 5 away from upper panel 2, the mold switch 16 on upper template 4 drives upper template 4 to move away from upper panel 2, the pull rod 215 in upper template 4 pulls stripping plate 3 away from upper panel 2, and the waste material edge is left between stripping plate 3 and upper panel 2 due to the action of the 16 material pulling shafts 11 of mold.

[0025] In some embodiments, the front end face outer diameter of material withdrawal ejector rod 7 should be slightly larger than the product outer diameter and the surface is smooth without burr, line and other damage, which prevents appearance defects on the surface of product, the rear end face of material withdrawal ejector rod 7 is provided with rubber pad, which ensures that material withdrawal ejector rod 7 is closely combined with product sharp end, and the side of material withdrawal ejector rod 7 has spiral groove, which enables air in cavity to be quickly discharged, thereby reducing the possibility of air bubbles in product after injection molding.

[0026] In some embodiments, the upper die plate 4 has exhaust grooves, so that the air in the cavity can be quickly exhausted, reducing the possibility of air bubbles in the product after injection molding.

[0027] In some embodiments, the upper die plate 4 and the lower die plate 5 have 16 cavities, realizing one-mold processing of 16 products.

[0028] Figure 5 The structure diagram of the product 21 before injection molding (the to-be-manufactured product 20) of an embodiment of the utility model; Figure 6 The structure diagram of the product 21 before injection molding (the to-be-manufactured product 20) of an embodiment of the utility model. The multifunctional injection mold is used for injecting a cap shell at the front end of the to-be-manufactured product 20 to form the product 21.

[0029] It should be noted that the above process operations can be combined to different degrees. In order to be simple, the implementation of various combinations will not be described, and those skilled in the art can flexibly adjust the order of the above operation steps or flexibly combine the above steps according to actual needs.

[0030] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, but the protection scope of the utility model is not limited to this. Any person skilled in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the utility model, and these modifications or replacements should be covered within the protection scope of the utility model.

Claims

1. A multi-functional bullet injection mold characterized by, Comprise: The top wire (1), the upper panel (2), the stripping plate (3), the upper die plate (4), the lower die plate (5), the die foot (6), the material withdrawal top rod (7), the material withdrawal top plate 1 (8), the material withdrawal top plate 2 (9), the lower panel (10), the material pulling shaft (11), the limiting shaft shoulder bolt (12), the guide column (13), the pull rod 1 (14), the pull rod 2 (15), the mold opening and closing device (16), the injection nozzle (17), the first internal hexagonal bolt (18), the second internal hexagonal bolt (19), wherein: 1 injection nozzle (17) is installed in the upper panel (2), 16 material pulling shafts (11) are installed in the upper panel (2) and are fixed with 16 top wires (1), 4 limiting shaft shoulder bolts (12) are installed in the upper panel (2), the stripping plate (3) is adjacent to the upper panel (2) and is connected with the upper panel (2) through 2 guide columns (13), 4 pull rod 2 (15) are installed in the stripping plate, two die feet (6) are adjacent to the lower panel (10) and are connected with the lower panel (10) through 4 first internal hexagonal bolts (18), the lower die plate (5) is located between the upper die plate (4) and the die foot (6), is connected with the die foot (6) through 2 guide columns (13), 2 pull rods are installed in the lower die plate (5), and 4 mold opening and closing devices (16) are installed on the lower die plate (5); the material withdrawal top plate 2 (9) is adjacent to the lower panel (10), the material withdrawal top plate 1 (8) is adjacent to the material withdrawal top plate 2 (9), 16 material withdrawal top rods (7) are installed in the material withdrawal top plate 1 (8), the material withdrawal top plate 1 (8) is connected with the lower die plate (5) through 16 material withdrawal top rods (7), the material withdrawal top plate 2 (9) is fixed on the material withdrawal top plate 1 (8) through 4 hexagonal bolts (19), after the mold is closed, the raw material melted at high temperature enters the cavity of the upper die plate (4) and the lower die plate (5) from the injection nozzle (17), after cooling and forming, the equipment drives the lower panel (10) of the mold to move away from the upper panel (2), the upper die plate (4) and the lower die plate (5) are separated to complete the mold opening, the equipment pushes the material withdrawal top plate 2 (9) to move in the direction of the upper panel (2) through the through hole of the lower panel (10), the material withdrawal top rod (7) ejects the product (21) and drops in the material box, the pull rod 1 (14) pulls the lower die plate (5) away from the upper panel (2), the mold opening and closing device (16) on the upper die plate (4) drives the upper die plate (4) to move away from the upper panel (2), the pull rod 2 (15) in the upper die plate (4) pulls the stripping plate (3) away from the upper panel (2), and the waste edge is left between the stripping plate (3) and the upper panel (2) due to the action of the 16 material pulling shafts (11) of the mold.

2. The multi-functional injection mold of claim 1, wherein, Wherein: The front end face outer diameter of the material withdrawal top rod (7) should be greater than the product outer diameter and the surface is smooth without burr, line damage, to prevent appearance defects on the product surface.

3. The multi-functional injection mold of claim 1, wherein, Wherein: The rear end face of the material withdrawal top rod (7) is provided with a rubber pad, which ensures that the material withdrawal top rod (7) is closely combined with the product tip.

4. The multi-functional injection mold of claim 1, wherein, Wherein: The material withdrawal top rod (7) has a spiral groove on the side surface, so that the air in the cavity can be quickly discharged, reducing the possibility of air bubbles in the product after injection molding.

5. The multi-functional injection mold of claim 1, wherein, Wherein: The upper die plate (4) has an air vent groove, so that the air in the cavity can be quickly discharged, reducing the possibility of air bubbles in the product after injection molding.

6. The multi-functional injection mold of claim 1, wherein, Wherein: The upper die plate (4) and the lower die plate (5) have 16 cavities, and 16 products are processed in one die.

7. The multi-functional injection-molding die according to any one of claims 1 to 6, wherein Wherein: The multi-functional injection mold is used for injecting a cap shell to the front end of the to-be-manufactured product (20) to form a product (21).

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