CN214395309U

CN214395309U - Multipoint synchronous injection molding and flow-adjustable pipeline connecting piece injection molding machine

Info

Publication number: CN214395309U
Application number: CN202022373031.5U
Authority: CN
Inventors: 高志宏; 张瑾
Original assignee: Zhangjiagang Daien Machinery Co ltd
Current assignee: Zhangjiagang Daien Machinery Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-10-15
Anticipated expiration: 2030-10-23

Abstract

The utility model relates to a multipoint synchronous injection molding and flow adjustable pipe connector injection molding machine, which comprises an extrusion plasticizing injection device, wherein the rear end of the extrusion plasticizing injection device is provided with a storage bag, the front end of the storage bag is provided with a main runner, the front end of the main runner is provided with an adjustable multipoint injection molding shunting die set, and one side of the adjustable multipoint injection molding shunting die set is provided with a core die and an outer die for installing and fixing dies with corresponding specifications; the adjustable multi-point injection molding split-flow die frame is characterized in that a melt distributor is arranged at the center of the other side of the adjustable multi-point injection molding split-flow die frame, the melt distributor is communicated with a main runner, the melt distributor extends outwards to form at least two split-flow channels, a plurality of injection ports are arranged in each split-flow channel, the position of each injection port corresponds to a die cavity formed by core dies and outer dies of different specifications, and an adjusting valve used for flow adjustment is arranged between each injection port and each split-flow channel. The structure is simple, the use is convenient, the installation and the disassembly are simple and convenient, and the device can be suitable for manufacturing products with different specifications.

Description

Multipoint synchronous injection molding and flow-adjustable pipeline connecting piece injection molding machine

[ technical field ] A method for producing a semiconductor device

The utility model relates to an extrude the technical field of pressure injection mould, concretely relates to use in the multiple spot of heavy-calibre plastics tubular product injection molding connecting piece synchronous mould plastics and flow adjustable pipe connection spare injection molding machine.

[ background of the invention ]

In extrusion injection, a die is usually disposed at the discharge port at the front end of the extruder, and the material in the extruder is shaped into a product after entering the die.

Like Chinese patent No. ZL201010526553.2, a forming device of a steel belt reinforced polyethylene spiral corrugated pipe connecting component is disclosed, which comprises a pipe placing frame and an injection machine table, wherein the upper end of the injection machine table is connected with a mould supporting frame, the left side of the mould supporting frame is connected with a sprue bush through a screw, the position, close to the bottom end, of the left side of the mould supporting frame is connected with a cavity main locking oil cylinder through a screw, the right side of the mould supporting frame is connected with one end of a core fixing plate through a screw, a core loose oil cylinder is fixed on the core fixing plate, the other end of the core fixing plate fixes a core through a screw, the upper end of the core fixes a cavity fixing plate, the cavity fixing plate is fixed on the cavity fixing plate through a screw, cavity auxiliary locking oil cylinders are arranged on two sides of the cavity main locking oil cylinder, the cavity auxiliary locking oil cylinders are fixed on the cavity fixing plate through screws, and the cavity main locking oil cylinder and the cavity auxiliary locking oil cylinder are connected with a locking block through screws, two ends of a cavity slideway pressing strip are respectively connected with a cavity fixing plate, a half block cavity is arranged in the middle of the cavity slideway pressing strip, cavity core-pulling oil cylinders are arranged in the middle of the two cavity fixing plates, a workpiece is arranged on the pipe placing frame, and one end of the workpiece is a forming joint. The half block die is radially and axially locked through the oil cylinder, the adjustable pipe placing frame is suitable for pipes of different specifications, and the double-injection system performs circular injection molding. However, the injection molding of the mold cavity is only in a single-point mode, the whole mold cavity cannot be filled quickly, the fullness of the product cannot be ensured, and the quality of the product is influenced.

Chinese patent No. ZL201611093692.4 discloses an extrusion feeding mechanism and an extrusion injection molding machine, wherein two extrusion feeding mechanisms are arranged on two sides of a mold, the whole mechanism of the extruder moves towards the direction of an injection mold under the action of a hydraulic cylinder, injection ports of a machine head of the extruder correspond to the injection ports of the mold one by one, namely, the injection mold is provided with two injection ports, when the extrusion feeding mechanism works, the extrusion feeding mechanism firstly drives the extruder to move for a certain distance towards the direction of the mold, then the extruder starts a screw rod to rotate to plasticize materials, and the plasticized materials are forcibly injected into a mold cavity of the mold through the injection ports; after the pressure of the melt filled in the cavity is maintained for a period of time, the mold is continuously cooled until the melt is solidified; cooling and solidifying, keeping the shape given by the mold cavity, finally opening the mold and parting to obtain a molded part with the required shape and size, and continuously repeating the production process of the period; two or more extruders work together continuously to meet the requirement of large extrusion capacity and large capacity of large injection parts. Although a two-point synchronous injection molding mode is adopted, the flow rate is not easy to control, and the two-point synchronous injection molding mode can not enable the material to be quickly filled in the whole mold cavity, can not ensure the plumpness of the product and influences the quality of the product.

[ Utility model ] content

In order to solve the problems, the utility model aims to provide a structure can be simplified, the multiple spot that can adapt to multiple different specifications is moulded plastics and flow adjustable pipe connection spare injection molding machine in step.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a multi-point synchronous injection molding and flow-adjustable injection molding machine for a pipeline connecting piece comprises an extrusion plasticizing injection device, wherein a storage bag is arranged at the rear end of the extrusion plasticizing injection device, a hydraulic push valve body is arranged at the rear end of the storage bag, a main flow channel is arranged at the front end of the storage bag, an adjustable multi-point injection molding shunting die set is arranged at the front end of the main flow channel, a core die and an outer die which are used for installing and fixing dies with corresponding specifications are arranged on one side of the adjustable multi-point injection shunting die set, and a die cavity shape formed between the core die and the outer die is a required product structure; the adjustable multi-point injection molding split-flow die frame is characterized in that a melt distributor is arranged in the center of the other side of the adjustable multi-point injection molding split-flow die frame and communicated with a main runner, at least two split-flow runners extend outwards from the melt distributor, a plurality of injection ports are arranged in each split-flow runner in an array control mode, the position of each injection port corresponds to a die cavity formed by core dies and outer dies of different specifications, the injection ports are communicated with the corresponding die cavities, and an adjusting valve used for flow adjustment is arranged between each injection port and each split-flow runner.

The utility model provides a multiple spot is moulded plastics in step and flow adjustable pipe connection spare injection molding machine further sets up to: the branch runner is a closed runner formed by a valve body seat arranged on the adjustable multi-point injection molding branch die frame and the adjustable multi-point injection molding branch die frame.

The utility model provides a multiple spot is moulded plastics in step and flow adjustable pipe connection spare injection molding machine further sets up to: the regulating valve comprises a regulating rod and a valve body used for controlling the regulating rod to stretch, the front end of the regulating rod is positioned at the material injection port, and the valve body is fixed on the valve body seat.

The utility model provides a multiple spot is moulded plastics in step and flow adjustable pipe connection spare injection molding machine further sets up to: six strip-shaped sub-runners extend outwards from the melt distributor, and the six strip-shaped sub-runners are uniformly distributed by taking the melt distributor as the center.

The utility model provides a multiple spot is moulded plastics in step and flow adjustable pipe connection spare injection molding machine further sets up to: five injection ports are arranged in each sub-runner, and the injection ports arranged on the six sub-runners are arranged in a concentric circle mode with the melt distributor as the center.

Compared with the prior art, the utility model discloses following beneficial effect has: the injection molding machine for the multipoint synchronous injection molding and flow-adjustable pipeline connecting piece is simple in structure, convenient to use and simple and convenient to install and disassemble, can be suitable for manufacturing products of different specifications only by replacing the core mold and the outer mold, saves the production cost, saves the complex procedures of cleaning the adjustable multipoint injection molding shunting mold frame, reduces the waste of materials and saves manpower. And it injects into the die cavity that mandrel and external mold formed fast through the mode of multiple spot synchronization to all set up the governing valve that is used for flow control between every sprue and the subchannel, can adjust control the flow alone, guarantee that the die cavity is full of required raw materials fast, accomplish the preparation to the product, guaranteed the plumpness of product, improved the quality of product.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the adjustable multi-point injection split-flow mold frame in fig. 1.

Fig. 3 is a schematic sectional view in the direction of a-a in fig. 2.

In the figure: 1. the adjustable multi-point injection molding split-flow mold frame comprises an adjustable multi-point injection molding split-flow mold frame, a core mold, a 3 outer mold, a 4 extrusion plasticizing and pressure injection device, 5 storage bags, 6 mold cavities, 7 melt distributors, 8 split-flow channels, 9 valve body seats, 10 injection ports, 11 adjusting valves, 111 adjusting rods, 112 valve bodies, 12 main flow channels.

[ detailed description ] embodiments

The following is a detailed description of the injection molding machine for pipe connectors with multi-point synchronous injection molding and adjustable flow rate according to the present invention.

As shown in fig. 1, a pipe connector injection molding machine with multipoint synchronous injection molding and adjustable flow rate comprises an extrusion plasticizing injection device 4, wherein a material storage bag 5 is arranged at the rear end of the extrusion plasticizing injection device 4, a hydraulic push valve body is arranged at the rear end of the material storage bag 5, a main flow passage 12 is arranged at the front end of the material storage bag 5, an adjustable multipoint injection molding diversion mold frame 1 is arranged at the front end of the main flow passage 12, as shown in fig. 2 and 3, a core mold 2 and an outer mold 3 for installing and fixing molds with corresponding specifications are arranged on one side of the adjustable multipoint injection molding diversion mold frame 1, and a mold cavity 6 formed between the core mold 2 and the outer mold 3 is in a shape which is a required product structure; the other side center of reposition of redundant personnel die carrier 1 is moulded plastics to adjustable multiple spot is provided with fuse-element distributor 7, and fuse-element distributor 7 is linked together with sprue 12, and fuse-element distributor 7 department outwards extends two at least subchannels 8, subchannel 8 is by setting up the valve body seat 9 on reposition of redundant personnel die carrier 1 is moulded plastics to adjustable multiple spot and the airtight runner that reposition of redundant personnel die carrier 1 formed is moulded plastics to adjustable multiple spot. A plurality of injection ports 10 are arranged in each sub-runner 8 in an array control manner, the position of each injection port 10 corresponds to a die cavity 6 formed by the core dies 2 and the outer dies 3 with different specifications, the injection ports 10 are communicated with the corresponding die cavities 6, and an adjusting valve 11 for flow adjustment is arranged between each injection port 10 and the sub-runner 8. The adjusting valve 11 comprises an adjusting rod 111 and a valve body 112 for controlling the adjusting rod 111 to extend and retract, the front end of the adjusting rod 111 is located at the injection port 10, and the valve body 112 is fixed on the valve body seat 9.

Preferably, in this embodiment, six elongated runners 8 extend outwards from the melt distributor 7, and the six elongated runners 8 are uniformly distributed around the melt distributor 7. Five injection ports 10 are arranged in each branch flow channel 8, and the injection ports 10 arranged on the six branch flow channels 8 are arranged in a concentric circle mode with the melt distributor 7 as the center. Wherein the arrangement and quantity of subchannel 8, the arrangement and quantity of sprue 10 all can design according to actual conditions, all belong to the utility model discloses a protection category.

The utility model discloses a theory of operation is: when the injection molding machine is used, materials in the extrusion plasticizing injection device 4 firstly enter the material storage bag 5, the materials in the material storage bag 5 enter the adjustable multi-point injection molding diversion mold frame 1 from the melt distributor 7 through the main runner 12, and then are dispersed into the diversion channels 8, at the moment, the corresponding injection ports 10 can be opened and the flow can be adjusted according to the core mold 2 and the outer mold 3 with different specifications by controlling the corresponding adjusting valves 11, so that the materials in the diversion channels 8 respectively enter the mold cavity 6 formed by the core mold 2 and the outer mold 3 from the injection ports 10, and a product is formed. The die core mould is simple in structure, convenient to use and simple and convenient to install and disassemble, can be suitable for manufacturing products of different specifications only by replacing the die core 2 and the outer mould 3, saves the production cost, saves the complex procedure of cleaning the batching disc, reduces the waste of materials and saves manpower. And it injects into the die cavity 6 that the mandrel 2 and the external mold 3 formed fast through the mode of multiple spot synchronization to all set up the governing valve 11 that is used for flow control between every sprue 10 and subchannel 8, can adjust control the flow alone, guarantee that die cavity 6 is full of required raw materials fast, accomplish the preparation to the product, guaranteed the plumpness of product, improved the quality of product.

The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be used, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a multiple spot is moulded plastics in step and flow adjustable pipe connection spare injection molding machine, is including extruding plastify pressure and annotates the device, the rear end of extruding plastify pressure and annotating the device is provided with the storage bag, and storage bag rear end sets up hydraulic pressure and pushes away the valve body, and the front end of storage bag is provided with sprue, its characterized in that: the front end of the main runner is provided with an adjustable multi-point injection split-flow mould frame, one side of the adjustable multi-point injection split-flow mould frame is provided with a core mould and an outer mould which are used for installing and fixing moulds with corresponding specifications, and the shape of a mould cavity formed between the core mould and the outer mould is the required product structure; the adjustable multi-point injection molding split-flow die frame is characterized in that a melt distributor is arranged in the center of the other side of the adjustable multi-point injection molding split-flow die frame and communicated with a main runner, at least two split-flow runners extend outwards from the melt distributor, a plurality of injection ports are arranged in each split-flow runner in an array control mode, the position of each injection port corresponds to a die cavity formed by core dies and outer dies of different specifications, the injection ports are communicated with the corresponding die cavities, and an adjusting valve used for flow adjustment is arranged between each injection port and each split-flow runner.

2. The injection molding machine for pipe connectors with multi-point synchronous injection molding and adjustable flow rate of claim 1, wherein: the branch runner is a closed runner formed by a valve body seat arranged on the adjustable multi-point injection molding branch die frame and the adjustable multi-point injection molding branch die frame.

3. The injection molding machine for pipe connectors with multi-point synchronous injection molding and adjustable flow rate of claim 2, wherein: the regulating valve comprises a regulating rod and a valve body used for controlling the regulating rod to stretch, the front end of the regulating rod is positioned at the material injection port, and the valve body is fixed on the valve body seat.

4. The injection molding machine for pipe connectors with multi-point synchronous injection molding and adjustable flow rate of claim 1, wherein: six strip-shaped sub-runners extend outwards from the melt distributor, and the six strip-shaped sub-runners are uniformly distributed by taking the melt distributor as the center.

5. The injection molding machine for pipe connectors with multi-point synchronous injection molding and adjustable flow rate of claim 4, wherein: five injection ports are arranged in each sub-runner, and the injection ports arranged on the six sub-runners are arranged in a concentric circle mode with the melt distributor as the center.