CN111231214A

CN111231214A - Multi-station synchronous injection molding device

Info

Publication number: CN111231214A
Application number: CN202010169471.0A
Authority: CN
Inventors: 廖素英
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-06-05

Abstract

The invention relates to the field of injection molding machine equipment, and discloses a multi-station synchronous injection molding device which comprises a fixed base plate, wherein fixing frames are arranged on two sides of the upper end of the fixed base plate, a plurality of lower dies are arranged in the middle of the upper end of each fixing frame, upper dies matched with each other are arranged on the upper ends of the lower dies, a die seat is fixed on the upper ends of the upper dies, a supporting base plate is arranged on the upper ends of the fixing frames, supporting frames are arranged on two sides of the upper end of each supporting base plate, a rotating shaft is arranged between the top ends of the supporting frames, cranks are arranged in the middles of two ends of the rotating shaft, sliding sleeves are arranged in the middles of the cranks, sliding. According to the invention, the lifting plate drives the piston plate to move up and down along the interior of the piston cylinder, so that the requirement of multi-station synchronous injection molding is realized, and meanwhile, the separation between the upper mold and the lower mold can be realized, and the requirements of mold closing and mold opening of the molds during injection are met.

Description

Multi-station synchronous injection molding device

Technical Field

The invention relates to the field of injection molding machine equipment, in particular to a multi-station synchronous injection molding device.

Background

Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can be classified into injection molding and die casting. An injection molding machine (an injection machine or an injection molding machine for short) is a main molding device for manufacturing thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and the injection molding is realized by the injection molding machine and the die and is divided into a vertical type, a horizontal type and a full-electric type. Injection molding in the prior art is currently classified into the following three types:

1. rubber injection molding: rubber injection molding is a production method in which rubber is directly injected from a cylinder into a mold for vulcanization. The rubber injection molding has the advantages that: although the method is an intermittent operation, the forming period is short, the production efficiency is high, the blank preparation process is eliminated, the labor intensity is low, and the product quality is excellent.

2. Plastic injection molding: plastic injection molding is a method of producing plastic products by injecting molten plastic into a plastic product mold under pressure, and cooling and molding the plastic product to obtain various plastic parts. There are mechanical injection molding machines that are specifically used for injection molding. The plastic most commonly used today is polystyrene.

3. Molding and injection molding: the resulting shape is often the final product and no further processing is required prior to installation or use as the final product. Many details, such as bosses, ribs, threads, can be formed in a single injection molding operation.

The injection molding machines in the current market are all one machine and one station, and only one mold can be injected at a time, so that the yield of the injection molding process is low. Chinese patent (publication No. CN 206765216U) discloses a high-efficiency multi-station injection molding machine, which comprises a rotating motor, a feed inlet, a screw rod, a case, a conveying pipe, a multi-station injection molding disc, an injection molding head, a base, a supporting rod and a discharge port, wherein the case is arranged on the base through the supporting rod, the rotating motor is arranged on the base, the screw rod is arranged on the rotating motor and extends into the case, the feed inlet is arranged at the upper end of the case, the discharge port is arranged at the port of the case, the multi-station injection molding disc is independently arranged and connected with the multi-station injection molding disc through the conveying pipe, and the injection molding heads are equidistantly arranged on the multi-station injection molding disc.

Disclosure of Invention

The invention aims to provide a multi-station synchronous injection molding device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a multi-station synchronous injection molding device comprises a fixed bottom plate, wherein fixed frames are arranged on two sides of the upper end of the fixed bottom plate, a plurality of lower dies are arranged in the middle of the upper end of each fixed frame, upper dies matched with each other are arranged at the upper ends of the lower dies, a die seat is fixed at the upper ends of the upper dies, a supporting bottom plate is arranged at the upper end of the fixing frame, supporting frames are arranged on two sides of the upper end of the supporting bottom plate, a rotating shaft is arranged between the top ends of the supporting frames, cranks are arranged in the middle parts of two ends of the rotating shaft, sliding sleeves are arranged in the middle parts of the cranks, sliding columns are arranged at the lower ends of the sliding sleeves, connecting columns are hinged to the lower ends of the sliding columns, lifting plates are arranged at the lower ends of the connecting columns, a plurality of piston rods are arranged at the lower ends of the lifting plates, piston plates are arranged at the bottom ends of the piston rods, a storage cavity is arranged at the upper end of the lifting plate, and a discharge pipe is arranged between the bottom end of the storage cavity and the injection tube.

As a further scheme of the invention: the right end of the rotating shaft is provided with a rotating motor, and the rotating motor is fixed in the middle of the right end of the support frame.

As a further scheme of the invention: the middle part of the inner side of the support frame is provided with a lifting groove matched with the lifting plate.

As a further scheme of the invention: and one-way valves are arranged in the middle parts of the discharge pipe and the injection pipe.

As a further scheme of the invention: the upper end of the storage cavity is communicated with and provided with a material guiding pump, and the other end of the material guiding pump is connected with a material guiding pipe.

As a further scheme of the invention: and a top plate is arranged at the top end of the support frame.

As a further scheme of the invention: the lifting frames are arranged on two sides of the lower end of the lifting plate, and the bottom ends of the lifting frames penetrate through the supporting bottom plate and are fixedly connected with the die base.

As a further scheme of the invention: the middle parts of the two sides of the supporting bottom plate are provided with through holes matched with the lifting frames.

As a further scheme of the invention: the injection tube is fixed at the upper end of the supporting bottom plate.

As a still further scheme of the invention: and a forming groove is arranged between the upper die and the lower die.

Compared with the prior art, the invention has the beneficial effects that:

the utility model provides a multistation device of moulding plastics in step, rational in infrastructure, the modern design, through the crank that is equipped with and the mutual cooperation between the sliding sleeve for the lifter plate drives the piston plate and reciprocates along piston cylinder inside, the synchronous needs of moulding plastics of multistation have been realized, greatly increased injection efficiency, and also satisfied the pressure needs when moulding plastics, separation between mould and the bed die can also be realized when the lifter plate reciprocates simultaneously, the die sinking needs of mould when satisfying the injection, therefore, the clothes hanger is strong in practicability, and the reliability is high.

Drawings

Fig. 1 is a schematic structural view of a multi-station synchronous injection molding device.

Fig. 2 is a schematic structural view of a support base plate in a multi-station synchronous injection molding device.

Fig. 3 is a schematic structural view of a mold base in a multi-station synchronous injection molding apparatus.

In the figure: 1-fixed bottom plate, 2-fixed frame, 3-lower die, 4-upper die, 5-die holder, 6-lifting frame, 7-supporting bottom plate, 8-injection tube, 9-injection head, 10-injection tube, 11-piston plate, 12-through hole, 13-discharge tube, 14-lifting plate, 15-storage cavity, 16-feeding pump, 17-feeding tube, 18-rotating shaft, 19-sliding sleeve, 20-connecting column, 21-crank, 22-rotating motor, 23-top plate, 24-lifting groove, 25-piston rod, 26-sliding column and 27-supporting frame.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

Referring to fig. 1 to 3, in the embodiment of the invention, a multi-station synchronous injection molding device comprises a fixed bottom plate 1, wherein fixed frames 2 are arranged on two sides of the upper end of the fixed bottom plate 1, a plurality of lower molds 3 are arranged in the middle of the upper end of the fixed frames 2, upper molds 4 matched with each other are arranged on the upper ends of the lower molds 3, mold bases 5 are fixed on the upper ends of the upper molds 4, molding grooves are arranged between the upper molds 4 and the lower molds 3, the interiors of the molding grooves are communicated with an injection head 9, so that the injection requirement in the molding grooves is realized, a supporting bottom plate 7 is arranged on the upper end of the fixed frames 2, supporting frames 27 are arranged on two sides of the upper ends of the supporting bottom plate 7, top plates 23 are arranged on the top ends of the supporting frames 27, lifting grooves 24 matched with a lifting plate 14 are arranged in the middle of the inner sides of the supporting frames 27, a rotating shaft 18 is arranged between the top ends of support frames 27, a rotating motor 22 is arranged at the right end of the rotating shaft 18 and is used for driving the rotating shaft 18 to rotate, the rotating motor 22 is fixed in the middle of the right end of the support frames 27 and is used for fixedly mounting the rotating motor 22, cranks 21 are arranged in the middle of the two ends of the rotating shaft 18, a sliding sleeve 19 is arranged in the middle of each crank 21, the sliding sleeve 19 can drive a sliding column 26 to move up and down under the cooperation of the crank 21, the sliding column 26 is arranged at the lower end of the sliding sleeve 19, a connecting column 20 is hinged at the lower end of the sliding column 26, a lifting plate 14 is arranged at the lower end of the connecting column 20, a plurality of piston rods 25 are arranged at the lower end of the lifting plate 14, a piston plate 11 is arranged at the bottom end of each, the injection head 9 is communicated with the interior of an injection tube 10 through an injection tube 8, the bottom end of the injection head 9 slides in the middle of a mold base 5, the injection tube 10 is fixed at the upper end of a supporting bottom plate 7 and used for fixedly mounting the injection tube 10, a storage cavity 15 is mounted at the upper end of a lifting plate 14, a feed pump 16 is mounted at the upper end of the storage cavity 15 and communicated with the upper end of the storage cavity 15 and used for guiding external materials into the storage cavity 15 through a feed pipe 17, the other end of the feed pump 16 is connected with the feed pipe 17, a discharge pipe 13 is mounted between the bottom end of the storage cavity 15 and the injection tube 10 and used for guiding the materials in the storage cavity 15 into the injection tube 10, and a one-way valve is mounted between the discharge pipe 13 and the injection tube 8 and.

Example 2

In another embodiment of the invention, the embodiment is characterized in that two sides of the lower end of the lifting plate 14 are provided with lifting frames 6, the bottom ends of the lifting frames 6 penetrate through the supporting bottom plate 7 and are fixedly connected with the mold base 5, the middle parts of two sides of the supporting bottom plate 7 are provided with through holes 12 matched with the lifting frames 6, the mold base 5 is connected with the lifting plate 14 through the lifting frames 6, so that the lifting plate 14 can drive the mold base 5 to move synchronously in the up-and-down moving process, the upper mold 4 can be separated from the lower mold 3, the mold opening and closing effect is realized, no additional power source is needed in the whole process, and the cost of the device is further reduced.

In the invention, when the injection molding machine works, a material is introduced into the storage cavity 15 by the material introducing pipe 17 through the material introducing pump 16, then the rotating motor 22 is started, the rotating motor 22 drives the rotating shaft 18 to rotate, and further the lifting plate 14 moves up and down in a reciprocating manner through the matching between the crank 21 and the sliding sleeve 19, on one hand, the mold base 5 moves up and down through the action of the lifting frame 6, so that the upper mold 4 and the lower mold 6 are separated from each other to realize the mold opening and closing action, on the other hand, the piston plate 11 moves up and down along the inner wall of the piston cylinder 10, so that the material in the storage cavity 15 is introduced into the injection cylinder 10, and then the injection head 9 is used for injecting the material into the molding groove formed between the upper mold 4 and the lower mold 6, so that the injection. The invention has reasonable structure and novel design, the lifting plate 14 drives the piston plate 11 to move up and down along the interior of the piston cylinder 10 through the mutual matching between the crank 21 and the sliding sleeve 19, the requirement of multi-station synchronous injection molding is realized, the injection molding efficiency is greatly increased, the pressure requirement during injection molding is also met, the separation between the upper mold 4 and the lower mold 3 can be realized when the lifting plate 14 moves up and down, the mold closing and opening requirements of the molds during injection are met, the practicability is strong, and the reliability is high.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A multi-station synchronous injection molding device comprises a fixed base plate (1), wherein fixed frames (2) are installed on two sides of the upper end of the fixed base plate (1), a plurality of lower dies (3) are installed in the middle of the upper end of the fixed frames (2), upper dies (4) matched with each other are arranged on the upper ends of the lower dies (3), a die holder (5) is fixed on the upper ends of the upper dies (4), the multi-station synchronous injection molding device is characterized in that a supporting base plate (7) is installed on the upper end of the fixed frames (2), supporting frames (27) are installed on two sides of the upper end of the supporting base plate (7), a rotating shaft (18) is installed between the top ends of the supporting frames (27), cranks (21) are arranged in the middle of two ends of the rotating shaft (18), sliding sleeves (19) are arranged in the middle of the cranks (21), sliding columns (26) are installed at, piston rod (25) bottom installation piston plate (11), piston plate (11) outside installation injection head (9), injection tube (8) are installed to injection tube (10) bottom, and injection head (9) are installed to injection tube (8) bottom, and injection head (9) bottom slides in mould seat (5) middle part, lifter plate (14) upper end installation storage chamber (15), installation discharging pipe (13) between storage chamber (15) bottom and injection tube (10).

2. A multi-station synchronous injection molding device according to claim 1, characterized in that the right end of the rotating shaft (18) is provided with a rotating motor (22), and the rotating motor (22) is fixed in the middle of the right end of the supporting frame (27).

3. A multi-station synchronous injection molding apparatus according to claim 1 or 2, wherein the support frame (27) is provided with a lifting groove (24) at the middle of the inner side thereof for cooperating with the lifting plate (14).

4. A multi-station synchronous injection molding apparatus according to claim 1, wherein a check valve is installed in the middle of the discharge tube (13) and the injection tube (8).

5. A multi-station synchronous injection molding device according to claim 1, characterized in that the upper end of the storage chamber (15) is connected with a feed pump (16), and the other end of the feed pump (16) is connected with a feed pipe (17).

6. A multi-station synchronous injection molding apparatus as claimed in claim 3, wherein the top end of the support frame (27) is provided with a top plate (23).

7. A multi-station synchronous injection molding device according to claim 3, characterized in that lifting frames (6) are installed on two sides of the lower end of the lifting plate (14), and the bottom ends of the lifting frames (6) penetrate through the supporting base plate (7) and are fixedly connected with the mold bases (5).

8. A multi-station synchronous injection molding device according to claim 7, characterized in that the middle of the two sides of the support base plate (7) is provided with a through hole (12) which is matched with the lifting frame (6).

9. A multi-station synchronous injection molding device according to claim 5, wherein the injection cylinder (10) is fixed to the upper end of the support base plate (7).

10. A multi-station synchronous injection molding apparatus according to claim 1, wherein a molding groove is provided between the upper mold (4) and the lower mold (3).