CN219381352U - Rubber injection device with double plasticizing units - Google Patents

Abstract

The utility model provides a rubber injection device with double plasticizing units, which comprises an injection unit, a first plasticizing unit and a second plasticizing unit, wherein the injection unit comprises a central connector, an injection mechanism and an injection mechanism, the injection mechanism and the injection mechanism are both arranged on the central connector, and the injection mechanism are communicated through the central connector; the first plasticizing unit and the second plasticizing unit respectively comprise plasticizing mechanisms and feeding devices, and the plasticizing mechanisms of the first plasticizing unit and the second plasticizing unit are respectively arranged on two sides of the central connecting body and are communicated with the injection mechanism. The two groups of plasticizing units are not mutually interfered, so that double plasticizing glue feeding can be realized, the plasticizing and glue feeding efficiency is improved, and the requirement of larger injection quantity is met.

Description

Rubber injection device with double plasticizing units

Technical Field

The utility model relates to the technical field of rubber injection molding, in particular to a rubber injection device with double plasticizing units.

Background

Rubber injection molding refers to a production method that rubber materials are heated and plasticized by a plasticizing device after the rubber materials enter a machine barrel from a material tray, then injected into a closed mold cavity from the machine barrel under the pushing action of an injection plunger, and vulcanized under pressure to obtain products. The traditional rubber injection machine has only one group of plasticizing units in the injection device, the plasticizing time is proper under the condition of small injection quantity, if the plasticizing time of one group of plasticizing units is too long when the injection quantity is large, the working efficiency of the injection machine is seriously affected, in addition, the rubber material entering the material storage barrel is firstly remained in the material barrel for too long due to the too long plasticizing time, so that the temperature of the rubber material is not uniform, and the quality of the rubber material entering the die is affected.

Disclosure of Invention

The utility model aims to solve the problem of providing a rubber injection device with double plasticizing units, which improves plasticizing and rubber feeding efficiency and meets larger injection quantity requirements.

The rubber injection device comprises an injection unit, a first plasticizing unit and a second plasticizing unit, wherein the injection unit comprises a central connector, an injection mechanism and an injection mechanism, the injection mechanism and the injection mechanism are both arranged on the central connector, and the injection mechanism are communicated through the central connector; the first plasticizing unit and the second plasticizing unit respectively comprise plasticizing mechanisms and feeding devices, and the plasticizing mechanisms of the first plasticizing unit and the second plasticizing unit are respectively arranged on two sides of the central connecting body and are communicated with the injection mechanism.

Preferably, the injection mechanism comprises an injection charging barrel, a plunger connecting rod, a pull rod, an injection oil cylinder, a connecting plate and a nut, wherein the injection charging barrel is arranged on the central connecting body, and the plunger is movably arranged at one end of the injection charging barrel; the injection mechanism comprises a nozzle body arranged on the central connecting body and a nozzle arranged at one end of the nozzle body; the plasticizing mechanism comprises a hydraulic motor, a bearing body, a transition flange, a transmission shaft, a screw, a plasticizing charging barrel, a connecting sleeve and a shuttle shaft, wherein the feeding device is arranged on the plasticizing charging barrel, the plasticizing charging barrel is arranged on the central connecting body, the connecting sleeve is arranged at one end of the plasticizing charging barrel, and the screw and the shuttle shaft are respectively arranged at two ends of the connecting sleeve; two first channels and a second channel are arranged on the central connecting body, two ends of the first channel are respectively communicated with one end of the shuttle shaft and one end of the injection charging barrel, and two ends of the second channel are respectively communicated with one end of the nozzle body and one end of the injection charging barrel.

Preferably, the first plasticizing unit and the second plasticizing unit are arranged at two sides of the central connecting body at an included angle of 90 degrees.

The beneficial effects of the utility model are as follows: the utility model provides a rubber injection device with double plasticizing units, which comprises a first plasticizing unit and a second plasticizing unit, wherein an injection mechanism of the injection unit is communicated with plasticizing mechanisms of the first plasticizing unit and the second plasticizing unit through a central connecting body, the first plasticizing unit and the second plasticizing unit can independently feed rubber and plasticize, then the central connecting body supplies rubber to the injection mechanism, the injection mechanism is pressurized and then supplies rubber to an injection mechanism through the central connecting body, and then the injection mechanism injects the rubber, so that the two plasticizing units do not interfere with each other, double plasticizing rubber feeding can be realized, plasticizing and rubber feeding efficiency is improved, and larger injection quantity requirements are met.

Drawings

FIG. 1 illustrates a cross-sectional view at A-A' in FIG. 3 of the present utility model.

FIG. 2 illustrates a cross-sectional view of the present utility model at B-B' in FIG. 3.

Fig. 3 illustrates a right side view of the present utility model.

Fig. 4 illustrates a partially enlarged structural view of the C part of fig. 2 according to the present utility model.

Reference numerals illustrate: the injection unit 10, the center connector 11, the first channel 110, the second channel 111, the injection mechanism 12, the injection cylinder 120, the plunger 121, the plunger rod 122, the pull rod 123, the injection cylinder 124, the connecting plate 125, the nut 126, the injection mechanism 13, the nozzle body 130, the nozzle 131, the first plasticizing unit 20, the plasticizing mechanism 21, the hydraulic motor 210, the bearing body 211, the transition flange 212, the transmission shaft 213, the screw 214, the plasticizing cylinder 215, the connecting sleeve 216, the shuttle shaft 217, the feeding device 22, and the second plasticizing unit 30.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure.

All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are intended to be within the scope of the present disclosure, based on the described embodiments of the present disclosure.

Reference is made to fig. 1-4.

The utility model provides a rubber injection device with double plasticizing units, which comprises an injection unit 10, a first plasticizing unit 20 and a second plasticizing unit 30, wherein the injection unit 10 comprises a central connecting body 11, an injection mechanism 12 and an injection mechanism 13, the injection mechanism 12 and the injection mechanism 13 are both arranged on the central connecting body 11, and the injection mechanism 12 and the injection mechanism 13 are communicated through the central connecting body 11; the first plasticizing unit 20 and the second plasticizing unit 30 respectively comprise plasticizing mechanisms 21 and a feeding device 22, and the plasticizing mechanisms 21 of the first plasticizing unit 20 and the second plasticizing unit 30 are respectively arranged at two sides of the central connecting body 11 and are communicated with the injection mechanism 12.

The injection device comprises a first plasticizing unit 20 and a second plasticizing unit 30, wherein the injection mechanism 12 of the injection unit 10 is communicated with plasticizing mechanisms 21 of the first plasticizing unit 20 and the second plasticizing unit 30 through a central connecting body 11, rubber raw materials are input into the plasticizing mechanisms 21 through a feeding device 22, the first plasticizing unit 20 and the second plasticizing unit 30 can independently feed rubber and perform plasticizing operation, rubber materials which are plasticized in the first plasticizing unit 20 and the second plasticizing unit 30 are supplied to the injection mechanism 12 of the injection unit 10 through the central connecting body 11, after a certain amount of rubber materials are stored in the injection mechanism 12, the rubber materials are pressurized, the injection mechanism 12 supplies the rubber materials to an injection mechanism 13 through the central connecting body 11, the rubber materials are injected out by the injection mechanism 13, the two plasticizing units are mutually noninterfered, double plasticizing rubber feeding can be realized, plasticizing and rubber feeding efficiency is improved, and larger injection quantity requirements are met.

Based on the above embodiment, the injection mechanism 12 includes an injection cylinder 120, a plunger 121, a plunger rod 122, a pull rod 123, an injection cylinder 124, a connecting plate 125, and a nut 126, where the injection cylinder 120 is mounted on the central connector 11, and the plunger 121 is movably disposed at one end of the injection cylinder 120; the injection mechanism 13 includes a nozzle body 130 mounted on the center connector 11, and a nozzle 131 mounted on one end of the nozzle body 130; the plasticizing mechanism 21 comprises a hydraulic motor 210, a bearing body 211, a transition flange 212, a transmission shaft 213, a screw 214, a plasticizing cylinder 215, a connecting sleeve 216 and a shuttle shaft 217, wherein the feeding device 22 is arranged on the plasticizing cylinder 215, the plasticizing cylinder 215 is arranged on the central connecting body 11, the connecting sleeve 216 is arranged at one end of the plasticizing cylinder 215, and the screw 214 and the shuttle shaft 217 are respectively arranged at two ends of the connecting sleeve 216; the central connecting body 11 is provided with two first channels 110 and one second channel 111, two ends of the first channel 110 are respectively communicated with one end of the spindle 217 and one end of the injection charging barrel 120, and two ends of the second channel 111 are respectively communicated with one end of the nozzle body 130 and one end of the injection charging barrel 120. Specifically, the rubber material enters the plasticizing cylinder 215 from the feeding devices 22 of the first plasticizing unit 20 and the second plasticizing unit 30 respectively, the hydraulic motor 210 drives the screw 214 to rotate through the driving shaft 213, the rubber material in the plasticizing cylinder 215 enters the first channel 110 of the central connecting body 11 through the shuttle shaft 217 under the rotating extrusion action of the screw 214, the plunger 121 is pushed to retreat after the rubber material passes through the first channel 110, the rubber material is stored in the injection cylinder 120, and the function of quick plasticizing and rubber feeding is realized by arranging two groups of plasticizing units. When the glue stock stored in the injection cylinder 120 reaches the required injection amount, the plasticizing and glue feeding is stopped, and when the glue stock enters an injection link, the injection cylinder 124 pushes the plunger 121 forward through the plunger connecting rod 122, and the two shuttle shafts 217 close one ends of the corresponding first channels 110 respectively, so that the glue stock can be prevented from flowing back to the plasticizing cylinder 215 side, and the glue stock enters the second channel 111 and is ejected from the nozzle 131 through the nozzle body 130, so that the function of high-pressure injection is realized.

Based on the above embodiment, the first plasticizing unit 20 and the second plasticizing unit 30 are installed at two sides of the central connecting body 11 at an included angle of 90 degrees, so that the space layout is reasonable, and the two groups of plasticizing units are convenient to be independently fed with glue.

The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims (3)

1. The rubber injection device with the double plasticizing units is characterized by comprising an injection unit, a first plasticizing unit and a second plasticizing unit, wherein the injection unit comprises a central connecting body, an injection mechanism and an injection mechanism, the injection mechanism and the injection mechanism are both arranged on the central connecting body, and the injection mechanism are communicated through the central connecting body; the first plasticizing unit and the second plasticizing unit respectively comprise plasticizing mechanisms and feeding devices, and the plasticizing mechanisms of the first plasticizing unit and the second plasticizing unit are respectively arranged on two sides of the central connecting body and are communicated with the injection mechanism.

2. The dual plasticizing unit rubber injection device according to claim 1, wherein the injection mechanism comprises an injection charging barrel, a plunger connecting rod, a pull rod, an injection oil cylinder, a connecting plate and a nut, wherein the injection charging barrel is arranged on the central connecting body, and the plunger is movably arranged at one end of the injection charging barrel; the injection mechanism comprises a nozzle body arranged on the central connecting body and a nozzle arranged at one end of the nozzle body; the plasticizing mechanism comprises a hydraulic motor, a bearing body, a transition flange, a transmission shaft, a screw rod, a plasticizing charging barrel, a connecting sleeve and a shuttle shaft, wherein the feeding device is arranged on the plasticizing charging barrel, the plasticizing charging barrel is arranged on the central connecting body, the connecting sleeve is arranged at one end of the plasticizing charging barrel, and the screw rod and the shuttle shaft are respectively arranged at two ends of the connecting sleeve; the central connector is provided with two first channels and one second channel, two ends of the first channel are respectively communicated with one ends of the shuttle shaft and the injection charging barrel, and two ends of the second channel are respectively communicated with one ends of the nozzle body and the injection charging barrel.

3. The dual plasticizing unit rubber injection apparatus of claim 2, wherein the first plasticizing unit and the second plasticizing unit are mounted at 90 ° angles on both sides of the central connection body.