CN112810039A

CN112810039A - Multi-station injection molding machine

Info

Publication number: CN112810039A
Application number: CN202110165261.9A
Authority: CN
Inventors: 林武; 徐方超; 杨卫民; 周宏伟; 李正典; 刘万强; 侯钦正; 陈安民; 张玉丽; 郑建国
Original assignee: TEDERIC MACHINERY CO Ltd
Current assignee: TEDERIC MACHINERY CO Ltd
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-05-18

Abstract

The invention discloses a multi-station injection molding machine, which mainly comprises a plasticizing injection device, a polygonal template, an injection platform moving device and a spray head moving device; the plasticizing injection device is positioned right above the middle of the polygonal template and is connected with the polygonal template through a ball screw, so that relative movement in the vertical direction can be realized, and a plurality of nozzles which are uniformly distributed are designed at the bottom end of the injection device; the outer side of the polygonal template is provided with a fixed template, the inner side of the polygonal template is provided with a space for mounting a servo motor and a ball screw support, and the servo motor drives the ball screw to rotate so as to realize the vertical movement of the plasticizing injection device; the shooting table moving device is realized through a servo motor and a ball screw, the servo motor is connected with the ball screw support through a coupler, and the ball screw is connected with the shooting table. The invention realizes the process of one extruder for distributing multi-station injection and integrally forming, improves the injection molding efficiency, and the plasticizing injection device is designed above the whole middle, thereby saving the occupied area cost, being convenient for placing more injection molding machines and improving the income.

Description

Multi-station injection molding machine

Technical Field

The invention relates to the field of injection molding machines for injection molding, in particular to a multi-station injection molding machine.

Background

The injection molding machine is a molding device which utilizes a plastic molding die to manufacture thermoplastic plastics or thermosetting plastics into plastic products with various shapes. Injection molding is a cyclic process, and each cycle comprises feeding, melting and plasticizing, pressure injection, cooling of a die, mold opening and part taking, mold closing after the part is taken out, and then entering the next cycle. Each injection molding process requires a complete cycle, which is not acceptable, and the cooling time is generally long, resulting in low product efficiency.

Disclosure of Invention

The invention aims to solve the technical problems that the existing equipment has insufficient injection molding efficiency, and provides the multi-station injection molding machine, which overcomes the defect of low injection molding efficiency, reduces the production cost and the labor cost, improves the injection molding efficiency and shortens the injection molding period.

The invention is realized by adopting the following technical scheme: a multi-station injection molding machine mainly comprises a plasticizing injection device, a polygonal template, an injection platform moving device and a spray head moving device; the plasticizing injection device is positioned right above the middle of the polygonal template and is connected with the polygonal template through a ball screw, so that relative movement in the vertical direction can be realized, and a plurality of nozzles which are uniformly distributed are designed at the bottom end of the injection device; the outer side of the polygonal template is provided with a fixed template, the inner side of the polygonal template is provided with a space for mounting a servo motor and a ball screw support, and the servo motor drives the ball screw to rotate so as to realize the vertical movement of the plasticizing injection device; the shooting table moving device is realized through a servo motor and a ball screw, the servo motor is fixed with a ball screw bracket, and the ball screw is connected with the shooting table; the nozzle moving device can realize the movement of the nozzle in the horizontal direction, and the nozzle penetrates through the polygonal template and then injects the plasticized material into the forming die.

Furthermore, the polygonal template is provided with a ball screw support for supporting the plasticizing injection device and the ball screw, a servo motor is arranged below the polygonal template, and the servo motor drives the ball screw to rotate.

Furthermore, the ball screw is connected with a sliding seat through a threaded sleeve, the screw penetrates through the sliding seat, and the side edge of the sliding seat is fixedly connected with the injection platform.

Furthermore, a plurality of templates are respectively arranged on the polygonal templates, and the moving mold, the locking mold and the like are relatively independent to each other and share the same injection device.

Furthermore, the spray head moving device pushes the spray nozzle to move in the horizontal direction through the electric cylinder, and the butt joint of the spray nozzle and the inlet gate of the mold is realized.

Furthermore, the number of the ball screws is two, and the ball screws are parallel to the polygonal template and perpendicular to the sliding seat.

Furthermore, the nozzle is divided into a plurality of strands by the machine barrel, and the material injection of each cavity is realized respectively.

Further, the slide is run through by the lead screw, and closely with lead screw connection, can realize in the relative movement of vertical direction, guarantees the accurate butt joint of the sprue of nozzle and mould.

Compared with the prior art, the multi-station injection molding machine has the beneficial effects that: the invention realizes the process of one extruder for distributing multi-station injection and integral molding, improves the injection molding efficiency and shortens the injection molding period. Each forming system is relatively independent, has independent clamping mechanism, ejection mechanism etc. and operation, maintenance, change convenient and fast improve the availability factor. The plasticizing injection device is designed above the whole middle, the floor space cost of a factory is saved, more injection molding machines can be placed conveniently, and the income is improved.

Drawings

Fig. 1 is an overall three-dimensional schematic diagram of a multi-station injection molding machine according to the present invention.

Fig. 2 is a schematic structural view of a plasticizing injection device of a multi-station injection molding machine according to the present invention.

FIG. 3 is a schematic view of a servo motor-ball screw assembly of the multi-station injection molding machine according to the present invention.

In the figure: 1. the device comprises a plasticizing injection device, a machine barrel 2, a ball screw bracket 3, a ball screw 4, a sliding seat 5, a polygonal template 6, a fixed template 7, a movable template 8, a nozzle 9, a servo motor 10 and an electric cylinder 11.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings:

the technical scheme provided by the invention is that the multi-station injection molding machine is characterized by mainly comprising a plasticizing injection device 1, a polygonal template 6, an injection platform moving device and a spray head moving device, as shown in figures 1, 2 and 3; the plasticizing injection device 1 is positioned right above the middle of the polygonal template 6 and is connected with the polygonal template 6 through the ball screw 4, so that the relative movement in the vertical direction can be realized, and a plurality of nozzles 9 which are uniformly distributed are designed at the bottom end of the plasticizing injection device 1; a fixed template 7 is arranged on the outer side of the polygonal template 6, a space for installing a servo motor 10 and a ball screw support 3 is designed on the inner side of the polygonal template, and the servo motor 10 drives a ball screw 4 to rotate so as to realize the vertical movement of the plasticizing injection device 1; the shooting table moving device is realized by a servo motor-ball screw, a servo motor 10 is connected with the ball screw bracket 3 through a coupler, and a ball screw 4 is connected with the sliding seat; the sprayer moving device can realize the horizontal movement of the spray nozzle 9, and the spray nozzle 9 penetrates through the polygonal template 6 and then is butted with a feed inlet of a mold.

Referring to fig. 1, 2 and 3, during operation, the movable mold plate 8 and the fixed mold plate 7 are closed, the servo motor 10 drives the ball screw 4 to rotate, the slide 5 moves the integral plasticizing injection device 1 in the vertical direction, then the nozzle moving device works, the electric cylinder 11 moves in the horizontal direction in an axial telescopic motion mode to move the nozzle 9, the butt joint of the nozzle 9 and a mold is completed, and the injection molding process is performed.

Referring to fig. 3, the polygonal mold plate 6 is designed to support the plasticizing injection device 1 and a ball screw support 3 of the ball screw 4, and a servo motor 10 is installed below the polygonal mold plate, and the ball screw 4 is driven by the servo motor 10 to rotate.

Referring to fig. 1 and 2, the ball screw 4 is connected with a sliding seat 5 through a threaded sleeve, the screw 4 penetrates through the sliding seat 5, and the side edge of the sliding seat 5 is fixedly connected with the injection platform 1.

Referring to fig. 1, a plurality of fixed mold plates 7 are respectively installed on the polygonal mold plate 6, the mold moving mechanism, the mold locking mechanism, the ejection mechanism and the like are relatively independent, and the injection mechanisms are the same.

Referring to fig. 2, the nozzle moving device pushes the nozzle 9 to move horizontally through the electric cylinder 11, so as to realize the butt joint of the nozzle and the mold gate.

Referring to fig. 1 and 3, the ball screws 4 are two, are parallel to the polygonal template 6, and are perpendicular to the slide 5.

Referring to fig. 2, the nozzle 9 is divided into a plurality of strands by the cylinder 2, and the material injection of each cavity is realized respectively.

Referring to fig. 1, the slide 5 is penetrated by the screw 4 and is tightly connected with the screw 4, so that relative movement in the vertical direction can be realized, and accurate butt joint of the nozzle 9 and the die is ensured.

Finally, it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and that other variations and modifications are possible without departing from the scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a multistation injection molding machine which characterized in that: the device mainly comprises a plasticizing injection device, a polygonal template, an injection platform moving device and a spray head moving device; the plasticizing injection device is positioned right above the middle of the polygonal template and is connected with the polygonal template through a ball screw, so that relative movement in the vertical direction can be realized, and a plurality of nozzles which are uniformly distributed are designed at the bottom end of the injection device; the outer side of the polygonal template is provided with a fixed template, the inner side of the polygonal template is provided with a space for mounting a servo motor and a ball screw support, and the servo motor drives the ball screw to rotate so as to realize the vertical movement of the plasticizing injection device; the shooting table moving device is realized through a servo motor and a ball screw, the servo motor is fixed with a ball screw bracket, and the ball screw is connected with the shooting table; the nozzle moving device realizes the horizontal movement of each nozzle, and the nozzles penetrate through the polygonal template and then are butted with the mold.

2. A multi-station injection molding machine according to claim 1, characterized in that: the polygonal template is provided with a ball screw support for supporting the plasticizing injection device and the ball screw, and a servo motor is arranged below the polygonal template and drives the ball screw to rotate.

3. A multi-station injection molding machine according to claim 1, characterized in that: the ball screw is connected with a sliding seat through a threaded sleeve, the screw penetrates through the sliding seat, and the side edge of the sliding seat is fixedly connected with the injection platform.

4. A multi-station injection molding machine according to claim 1, characterized in that: the polygonal templates are respectively provided with a plurality of templates, and the moving mold and the locking mold are relatively independent and share the same injection device.

5. A multi-station injection molding machine according to claim 1, characterized in that: the spray head moving device pushes the spray nozzle through the electric cylinder, so that the spray nozzle moves in the horizontal direction, and butt injection of the spray nozzle and the mold is completed.

6. A multi-station injection molding machine according to claim 1, characterized in that: the nozzle is divided into a plurality of strands by the machine barrel, and the material injection of each cavity is realized respectively.