CN223030240U - A kind of inverted hot runner system mold - Google Patents

Abstract

The utility model belongs to the technical field of molds, and particularly relates to a flip-chip hot runner system mold. The technical scheme is that the inverted hot runner system die comprises an upper die base plate, an upper die forming cavity plate, a lower die forming cavity plate and a base which are sequentially arranged from top to bottom, wherein the upper die base plate, the upper die forming cavity plate and the lower die forming cavity plate enclose a cavity, an oil top system for ejecting products is arranged in the base, an oil cylinder is connected between the oil top system and the base, a hot runner system is arranged at the bottom of the base, and a glue outlet of the hot runner system extends into the cavity. The utility model provides a flip-chip hot runner system die capable of reliably ejecting a product.

Description

Inverted hot runner system die

Technical Field

The utility model belongs to the technical field of molds, and particularly relates to a flip-chip hot runner system mold.

Background

Injection molding is a method for producing and shaping industrial products. Products are generally molded using rubber and plastic. Injection molding can also be divided into injection molding compression molding and die casting. Injection molding machines (simply referred to as injection molding machines or injection molding machines) are the main molding equipment for producing plastic products of various shapes from thermoplastic or thermosetting materials using plastic molding dies, and injection molding is performed by injection molding machines and dies.

For the production of plastic stools, a better injection mold is needed to carry out injection molding processing of the stools for large-scale production, but the existing plastic stool injection mold is generally manufactured by adopting a simple tool, the production efficiency of the manufacturing mode is lower, and the quality of injection molding pieces is difficult to reach the production standard due to the simpler mold, and industrial batch production cannot be met, so that the plastic stool injection mold is unfavorable for people to use.

Patent application number 202221421419.0 discloses a plastic stool injection mold. Including the injection moulding die bottom plate, the bottom plate die cavity is located the side of base core, the side of injection moulding die bottom plate is provided with the side fixed slot, the side of injection moulding die bottom plate is provided with the injection moulding die top plate, the side of injection moulding die top plate is provided with the die cavity of moulding plastics, the side of injection moulding die top plate is provided with limit portion fixed slot. According to the bench disclosed by the utility model, the bench main body core is fixed through the injection molding bottom plate and the injection molding top plate, so that the cavity in the injection molding top plate and the base core in the injection molding bottom plate are matched with the bench main body core together to form the complete bench injection molding cavity, and injection molding processing is performed, so that a bench workpiece with a relatively precise volume is rapidly manufactured, the die is relatively fast in molding, relatively high in molding quality, meets the industrial mass production requirements of users, and is convenient for people to use.

However, the plastic stool injection mold is complex in the operation of ejecting the stool product, and can not uniformly stress all the positions of the stool according to the shape of the stool, so that the stool product is easy to deform.

Disclosure of utility model

In order to solve the problems in the prior art, the utility model aims to provide a flip-chip hot runner system die capable of reliably ejecting a product.

The technical scheme adopted by the utility model is as follows:

the utility model provides a flip-chip hot runner system mould, includes last mould backing plate, last mould shaping die cavity board, lower mould shaping die cavity board and the base that from the top down set gradually, goes up mould backing plate, goes up mould shaping die cavity board and lower mould shaping die cavity board and encloses into the die cavity, is provided with the oil top system that is used for ejecting the product in the base, is connected with the hydro-cylinder between oil top system and the base, and hot runner system is installed to the bottom of base, and the glue outlet of hot runner system stretches into in the die cavity.

The upper die base plate, the upper die forming cavity plate and the lower die forming cavity plate enclose a cavity, and the hot runner system can inject raw materials into the cavity. When demoulding, under the condition that the base and the lower die forming cavity plate do not generate relative movement, a plurality of ejector pins of the oil ejection system can extend into the cavity to uniformly eject products, so that reliable demoulding is ensured.

As a preferable scheme of the utility model, the oil jack system comprises an ejector plate, an ejector panel is fixed on the ejector plate, the ejector plate is arranged in a base, an oil cylinder is arranged on the ejector plate, an oil cylinder base is clamped on the base, and a piston rod of the oil cylinder is connected with the oil cylinder base. When the piston rod of the oil cylinder stretches out, the oil cylinder pushes the oil ejection system to integrally rise, so that the product is reliably ejected out. The oil cylinder base is arranged on the bottom plate, and after the oil cylinder is filled with hydraulic oil through the oil inlet nozzle, the piston of the oil cylinder stretches out to drive the whole oil top system, so that the product ejection work is completed.

As the preferable scheme of the utility model, a plurality of long ejector pins for ejecting the product seat plate and a plurality of short ejector pins for ejecting the product supporting legs are fixed on the ejection panel. The long thimble corresponds the bedplate of product, and the short thimble corresponds the landing leg of product, and each position of product evenly sets up the thimble, guarantees that the product can be evenly ejecting, avoids the product to take place the condition of deformation in ejecting in-process.

As a preferable scheme of the utility model, a plurality of reset rods are fixed on the ejection panel, the reset rods penetrate through the lower die forming cavity plate, and the upper die forming cavity plate presses the reset rods downwards during die assembly. And when the mold is closed, the upper mold forming cavity plate presses the reset rod to reset the oil top system, and the oil top system contacts the base again.

As a preferable scheme of the utility model, the bottom of the ejector plate is connected with a plurality of garbage nails protruding out of the bottom surface of the ejector plate. The garbage nails are protruded out of the bottom surface of the ejector plate, so that the contact area between the bottom plate and the ejector plate is reduced, a section of gap is formed between the bottom plate and the ejector plate, and the problem that the mold clamping is not in place due to the fact that garbage such as scrap iron, dust and the like falls on the bottom plate or the ejector plate is avoided.

As the preferable scheme of the utility model, the base comprises a bottom plate, two supporting plates are arranged on the bottom plate, the top surfaces of the supporting plates are matched with the bottom surface of the lower die forming cavity plate, and the oil top system is arranged in the area between the two supporting plates on the bottom plate. The supporting plate is arranged between the bottom plate and the lower die forming cavity plate, and a section of space in which the oil top system can freely move is formed. The supporting plate is reliably matched with the lower die forming cavity plate. The oil roof system is located between the two support plates so that the support plates can guide the oil roof system.

As a preferable scheme of the utility model, a plurality of reinforcing columns are fixed on the bottom plate, penetrate through the oil top system and support the bottom surface of the lower die forming cavity plate. A plurality of reinforcing columns are further arranged between the two supporting plates, so that the whole space is firmer.

As a preferable scheme of the utility model, the bottom plate is connected with a plurality of guide posts, and the guide posts penetrate through the oil top system and then extend into the lower die forming cavity plate. The guide post penetrates through the bottom plate from the bottom and then penetrates through the ejector plate and the ejector panel, and then stretches into the lower die forming cavity plate to play a role in guiding.

As a preferable scheme of the utility model, the bottom surface of the upper die forming cavity plate is provided with a plurality of balance weights matched with the top surface of the lower die forming cavity plate. The upper die forming cavity plate is provided with a balance weight on the surface matched with the lower die forming cavity plate, and the upper die forming cavity plate and the lower die forming cavity plate are more accurate in die matching.

As a preferable scheme of the utility model, positioning grooves are formed in four corners of the upper die forming cavity plate, positioning blocks are arranged in four corners of the lower die forming cavity plate and are matched with the positioning grooves, positioning columns are fixed on the positioning blocks, positioning holes communicated with the positioning grooves are formed in the upper die forming cavity plate, and the positioning holes are matched with the positioning columns. The locating block is matched with the locating groove, and the locating hole is matched with the locating column, so that the upper die forming cavity plate and the lower die forming cavity plate can be reliably clamped.

The beneficial effects of the utility model are as follows:

1. The upper die base plate, the upper die forming cavity plate and the lower die forming cavity plate enclose a cavity, and the hot runner system can inject raw materials into the cavity. When demoulding, under the condition that the base and the lower die forming cavity plate do not generate relative movement, a plurality of ejector pins of the oil ejection system can extend into the cavity to uniformly eject products, so that reliable demoulding is ensured.

2. According to the utility model, the long ejector pins correspond to the seat plate of the product, the short ejector pins correspond to the supporting legs of the product, and the ejector pins are uniformly arranged at all positions of the product, so that the product can be uniformly ejected, and the deformation of the product in the ejection process is avoided.

3. The garbage nails are protruded out of the bottom surface of the ejector plate, so that the contact area between the bottom plate and the ejector plate is reduced, a section of gap is formed between the bottom plate and the ejector plate, and the problem that the mold clamping is not in place due to the fact that garbage such as scrap iron, dust and the like falls on the bottom plate or the ejector plate is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of the first aspect of the present utility model;

FIG. 3 is an exploded view of a second aspect of the present utility model;

FIG. 4 is a schematic structural view of a hot runner system;

FIG. 5 is a schematic view of the structure of the base;

FIG. 6 is a schematic view of a first directional structure of an oil dome system;

FIG. 7 is a second directional schematic of the oil roof system;

FIG. 8 is a schematic view of the structure of a lower mold molding cavity plate;

FIG. 9 is a schematic view of the structure of the upper mold cavity plate in the first direction;

FIG. 10 is a schematic view of the structure of the upper mold cavity plate in the second direction;

FIG. 11 is a schematic view of the structure of the upper die pad plate;

FIG. 12 is a schematic view of the structure of the panel;

FIG. 13 is an assembly view of a base and oil dome system;

FIG. 14 is a front view of the present utility model;

FIG. 15 is a cross-sectional view taken at A-A of FIG. 14;

FIG. 16 is a partial front view of the present utility model with the piston rod of the ram ejected;

fig. 17 is a partial perspective view of the present utility model with the piston rod of the ram ejected.

The mold comprises a 1-upper mold backing plate, a 2-upper mold molding cavity plate, a 3-lower mold molding cavity plate, a 4-base, a 5-oil top system, a 6-oil cylinder, a 7-hot runner system, an 8-panel, a 21-balance block, a 22-positioning groove, a 23-positioning hole, a 31-positioning block, a 32-positioning column, a 41-bottom plate, a 42-supporting plate, a 43-reinforcing column, a 44-guiding column, a 45-oil cylinder base, a 51-ejector plate, a 52-ejector panel, a 53-long ejector pin, a 54-short ejector pin, a 55-reset rod, a 56-garbage nail and a 71-positioning ring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

As shown in fig. 1-17, the inverted hot runner system mold of the embodiment comprises a panel 8, an upper mold base plate 1, an upper mold forming cavity plate 2, a lower mold forming cavity plate 3 and a base 4 which are sequentially arranged from top to bottom, wherein the upper mold base plate 1, the upper mold forming cavity plate 2 and the lower mold forming cavity plate 3 enclose a cavity, an oil top system 5 for ejecting products is arranged in the base 4, an oil cylinder 6 is connected between the oil top system 5 and the base 4, a hot runner system 7 is arranged at the bottom of the base 4, and a glue outlet of the hot runner system 7 extends into the cavity.

The upper die cushion plate 1, the upper die forming cavity plate 2 and the lower die forming cavity plate 3 enclose a cavity, and the hot runner system 7 can inject raw materials into the cavity. During demolding, under the condition that the base 4 and the lower die forming cavity plate 3 do not generate relative movement, a plurality of ejector pins of the oil ejection system 5 can extend into the cavity to uniformly eject products, and reliable demolding is guaranteed.

The hot runner system 7 extends to the upper part of the cavity, and the middle position of the upper part of the cavity is used as a glue feeding point. The glue inlet point is arranged in the cavity of the product, so that the aesthetic property of the product is improved. The hot runner system 7 is installed at the bottom of the base 4 and is pressed by a positioning ring 71. The ejection system adopts the oil cylinder 6 to realize automatic product discharge of the die, thereby improving the production efficiency.

Specifically, the oil jack system 5 includes an ejector plate 51, an ejector panel 52 is fixed on the ejector plate 51, the ejector plate 51 is disposed in the base 4, the oil cylinder 6 is mounted on the ejector plate 51, the base 4 is clamped with the oil cylinder base 45, and a piston rod of the oil cylinder 6 is connected with the oil cylinder base 45. When the piston rod of the oil cylinder 6 extends out, the oil cylinder 6 pushes the oil jack system 5 to ascend as a whole, so that the product is reliably ejected out. The oil cylinder base 45 is arranged on the bottom plate 41, and after the oil cylinder 6 injects hydraulic oil through the oil inlet nozzle, the piston of the oil cylinder 6 stretches out to drive the whole oil top system 5, so that the product ejection work is completed.

Four long ejector pins 53 for ejecting the product seat plate and eight short ejector pins 54 for ejecting the product legs are fixed on the ejection panel 52. The long thimble 53 corresponds to the seat board of the product, the short thimble 54 corresponds to the landing leg of the product, and each position of the product is evenly provided with the thimble, so that the product can be evenly ejected, and the deformation of the product in the ejection process is avoided.

Further, four reset levers 55 are fixed on the ejector panel 52, the reset levers 55 pass through the lower mold molding cavity plate 3, and the upper mold molding cavity plate 2 presses down the reset levers 55 when the mold is closed. During mold closing, the upper mold forming cavity plate 2 presses the reset rod 55 to reset the oil jack system 5, and the oil jack system 5 contacts the base 4 again.

Further, the bottom of the ejector plate 51 is connected with a plurality of garbage nails 56 protruding from the bottom surface of the ejector plate 51. The garbage nails 56 protrude from the bottom surface of the ejector plate 51, so that the contact area between the bottom plate 41 and the ejector plate 51 is reduced, a gap is formed between the bottom plate 41 and the ejector plate 51, and the problem that the mold clamping is not in place due to the fact that garbage such as scrap iron, dust and the like falls on the bottom plate 41 or the ejector plate 51 is avoided.

Specifically, the base 4 includes a bottom plate 41, two support plates 42 are disposed on the bottom plate 41, the top surfaces of the support plates 42 are matched with the bottom surface of the lower mold molding cavity plate 3, and the oil top system 5 is disposed in a region between the two support plates 42 on the bottom plate 41. The support plate 42 is disposed between the bottom plate 41 and the lower mold forming cavity plate 3 to form a space in which the oil jack system 5 can freely move. The support plate 42 is reliably engaged with the lower mold cavity plate 3. The oil top system 5 is located between two support plates 42 so that the support plates 42 can guide the oil top system 5.

Further, ten reinforcing columns 43 are fixed on the bottom plate 41, the reinforcing columns 43 penetrate through the oil top system 5, and the reinforcing columns 43 support the bottom surface of the lower mold forming cavity plate 3. A plurality of reinforcing columns 43 are also arranged between the two supporting plates 42, so that the whole space is firmer.

Further, four guide posts 44 are connected to the bottom plate 41, and the guide posts 44 penetrate through the oil jack system 5 and then extend into the lower mold forming cavity plate 3. The guide post 44 penetrates through the bottom plate 41 from the bottom and then penetrates through the ejector plate 51 and the ejector panel 52, and then extends into the lower mold forming cavity plate 3, thereby playing a role in guiding.

Further, the bottom surface of the upper mold forming cavity plate 2 is provided with a plurality of balance weights 21 matched with the top surface of the lower mold forming cavity plate 3. The upper mold forming cavity plate 2 is provided with a balance weight 21 on the surface which is matched with the lower mold forming cavity plate 3, and the upper mold forming cavity plate 2 and the lower mold forming cavity plate 3 are more accurate when matched.

In order to reliably clamp the upper die forming cavity plate 2 and the lower die forming cavity plate 3, positioning grooves 22 are formed in four corners of the upper die forming cavity plate 2, positioning blocks 31 are arranged in four corners of the lower die forming cavity plate 3, the positioning blocks 31 are matched with the positioning grooves 22, positioning columns 32 are fixed on the positioning blocks 31, positioning holes 23 communicated with the positioning grooves 22 are formed in the upper die forming cavity plate 2, and the positioning holes 23 are matched with the positioning columns 32. The positioning block 31 is matched with the positioning groove 22, and the positioning hole 23 is matched with the positioning column 32, so that the upper die forming cavity plate 2 and the lower die forming cavity plate 3 can be reliably clamped.

The utility model is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present utility model, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present utility model, fall within the scope of protection of the present utility model.

Claims (10)

1. A flip-chip hot runner system die is characterized by comprising an upper die cushion plate (1), an upper die forming cavity plate (2), a lower die forming cavity plate (3) and a base (4) which are sequentially arranged from top to bottom, wherein the upper die cushion plate (1), the upper die forming cavity plate (2) and the lower die forming cavity plate (3) enclose a cavity, an oil top system (5) for ejecting products is arranged in the base (4), an oil cylinder (6) is connected between the oil top system (5) and the base (4), a hot runner system (7) is arranged at the bottom of the base (4), and a glue outlet of the hot runner system (7) extends into the cavity.

2. The inverted hot runner system mold according to claim 1, wherein the oil top system (5) comprises an ejector plate (51), an ejector panel (52) is fixed on the ejector plate (51), the ejector plate (51) is arranged in the base (4), the oil cylinder (6) is arranged on the ejector plate (51), the oil cylinder base (45) is clamped on the base (4), and a piston rod of the oil cylinder (6) is connected with the oil cylinder base (45).

3. A flip-chip hot runner system mold as described in claim 2, wherein said ejector plate (52) is fixed with a plurality of long ejector pins (53) for ejecting a product seat plate and a plurality of short ejector pins (54) for ejecting a product leg.

4. The hot runner system mold for flip chip assembly according to claim 2, wherein the ejector plate (52) is fixed with a plurality of return rods (55), the return rods (55) penetrate through the lower molding cavity plate (3), and the upper molding cavity plate (2) presses down the return rods (55) when the mold is closed.

5. The inverted hot runner system mold as set forth in claim 2, wherein the bottom of said ejector plate (51) is connected with a plurality of garbage nails (56) protruding from the bottom surface of the ejector plate (51).

6. The flip-chip hot runner system mold according to claim 1, wherein the base (4) comprises a bottom plate (41), two support plates (42) are arranged on the bottom plate (41), the top surfaces of the support plates (42) are matched with the bottom surface of the lower mold molding cavity plate (3), and the oil top system (5) is arranged in an area between the two support plates (42) on the bottom plate (41).

7. A flip-chip hot runner system mold as claimed in claim 6, wherein a plurality of reinforcing columns (43) are fixed on the bottom plate (41), the reinforcing columns (43) penetrate through the oil top system (5), and the reinforcing columns (43) support the bottom surface of the lower mold forming cavity plate (3).

8. A flip-chip hot runner system mold as claimed in claim 6, wherein a plurality of guide posts (44) are connected to said bottom plate (41), and said guide posts (44) penetrate through said oil top system (5) and extend into said lower mold molding cavity plate (3).

9. The flip-chip hot runner system mold as claimed in claim 1, wherein the bottom surface of the upper mold molding cavity plate (2) is provided with a plurality of counter weights (21) matched with the top surface of the lower mold molding cavity plate (3).

10. The inverted hot runner system die as claimed in any one of claims 1 to 9, wherein positioning grooves (22) are formed in four corners of the upper die forming cavity plate (2), positioning blocks (31) are arranged in four corners of the lower die forming cavity plate (3), the positioning blocks (31) are matched with the positioning grooves (22), positioning columns (32) are fixed on the positioning blocks (31), positioning holes (23) communicated with the positioning grooves (22) are formed in the upper die forming cavity plate (2), and the positioning holes (23) are matched with the positioning columns (32).