CN210590283U

CN210590283U - Double-shot injection mold rotary mechanism

Info

Publication number: CN210590283U
Application number: CN201921009879.0U
Authority: CN
Inventors: 刘群安; 刘龙根
Original assignee: Xiamen Xuanlu Molding Technology Co ltd
Current assignee: Xiamen Xuanlu Molding Technology Co ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-05-22
Anticipated expiration: 2029-07-01

Abstract

The utility model discloses a double-color injection mold rotating mechanism, which comprises a fixed mold plate, a movable mold plate, a horizontal oil cylinder, a rack, a gear, a rotating main shaft, a rotating mold core, a rotating seat, a small thimble plate and a small thimble oil cylinder; the rotary die core is movably sleeved on the top surface of the movable die plate, the upper end of the rotary main shaft is fixed on the rotary die core, the lower part of the rotary main shaft is fixed by the gear, the rack transversely penetrates into the rotary seat, the inner end of the rack is meshed with the gear, the outer end of the rack is connected with the rod end of a piston rod of the horizontal oil cylinder, the cylinder body of the small thimble oil cylinder is fixed on the bottom surface of the movable die plate, the rod end of the piston rod of the small thimble oil cylinder is connected with the small thimble plate, and the lower end of the small thimble. Because the utility model discloses an injection molding machine ejector pin can promote rotatory mould benevolence ejecting certain distance after, and horizontal cylinder passes through rack, the rotatory 180 degrees backs of gear drive rotatory mould benevolence, and rotatory mould benevolence returns the normal position, and the compound die is moulded plastics again, has the wider advantage of applicable face.

Description

Double-shot injection mold rotary mechanism

Technical Field

The utility model relates to an injection mold especially relates to a double-colored injection mold rotary mechanism.

Background

The plastic injection mold is a tool for producing plastic products and has wide application. Some plastic products need to have two colors, and in the injection molding of double-color plastic products, secondary injection molding is needed, and therefore, manufacturers need to design a plastic mold capable of performing double-color injection molding so as to meet the requirement of double-color injection molding. The traditional double-color mold needs a special double-color machine table, so that the injection molding cost is higher, and the machine table has limitation.

Disclosure of Invention

An object of the utility model is to provide a wider double-colored injection mold rotary mechanism of application scope is applicable to ordinary monochromatic machine and hangs a miniature machine of moulding plastics outward.

In order to achieve the above object, the technical solution of the present invention is:

the utility model relates to a double-color injection mold rotating mechanism, which comprises a fixed mold plate, a movable mold bottom plate, a horizontal oil cylinder, a rack, a gear, a rotating main shaft, a rotating mold core, a rotating seat, a small thimble plate and a small thimble oil cylinder; the fixed die plate and the movable die plate are abutted together, the rotary die core is movably sleeved on the top surface of the movable die plate, the upper end of a rotary main shaft is fixed in the center of the bottom of the rotary die core, the lower part of the rotary main shaft is rotatably sleeved on a rotary seat through a bearing, the rotary seat is movably arranged between the movable die plate and a movable die bottom plate and can vertically move, the bottom surface of the rotary seat can be abutted against an ejector rod of a plastic injection machine, a gear is fixedly sleeved on the lower part of the rotary main shaft, a rack penetrates into the rotary seat along the transverse direction, the inner end of the rack is meshed with the gear, the outer end of the rack is connected with the end of a piston rod of a horizontal oil cylinder; the cylinder body of the small thimble oil cylinder is fixed on the bottom surface of the movable template, the rod end of a piston rod of the small thimble oil cylinder is connected with the small thimble plate, the small thimble plate is movably sleeved in the movable template, the lower end of the small thimble is fixed on the small thimble plate, and the upper end of the small thimble extends into the cavity.

The utility model also comprises a guide block, a stop block and a positioning block; the guide block, the stop block and the positioning block are all arranged on the top surface of the movable template.

After the scheme is adopted, because the utility model discloses a fixed die plate, the movable mould board, the movable mould bottom plate, horizontal cylinder, the rack, the gear, rotatory main shaft, rotatory mould benevolence, the roating seat, little thimble board, parts such as little thimble hydro-cylinder, after the completion of moulding plastics, the injection molding machine ejector pin can promote rotatory main shaft and rotatory mould benevolence ejecting certain distance back, horizontal cylinder passes through the rack, the rotatory 180 degrees backs in the rotatory mould benevolence of gear drive, the action is pulled back to the injection molding machine ejector pin, rotatory mould benevolence returns the normal position, the recock mould plastics, overall structure has that the applicable face is wider, the reliable and stable.

The invention will be further described with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a top view of the movable die plate of the present invention;

fig. 4 is a schematic view of the present invention ejecting a product;

FIG. 5 is a schematic view of the rotary insert ejection of the present invention;

FIG. 6 is a schematic view of the rotary insert of the present invention rotated 180 degrees after being ejected;

fig. 7 is a schematic view of the rotary mold core of the present invention after being rotated 180 degrees to reset.

Detailed Description

As shown in fig. 1-3, the utility model relates to a double-shot injection mold rotary mechanism, including fixed die plate 1, movable die plate 2, movable die bottom plate 3, horizontal cylinder 4, rack 5, gear 6, rotatory main shaft 7, rotatory mould benevolence 8, roating seat 9, little thimble 10, little thimble board 11, little thimble hydro-cylinder 12, guide block 13, dog 14 and locating piece 15.

The fixed die plate 1 is close to the movable die plate 2, the rotary die core 8 is movably sleeved on the top surface of the movable die plate 2, and the guide block 13, the stop block 14 and the positioning block 15 are all arranged on the top surface of the movable die plate 2. The upper end of the rotating main shaft 7 is fixed at the center of the bottom of the rotating die core 8, the lower part of the rotating main shaft 7 is rotatably sleeved on a rotating seat 9 through a bearing, the rotating seat 9 is movably arranged between the movable die plate 2 and the movable die bottom plate 3 and can move up and down along the longitudinal direction, the bottom surface of the rotating seat 9 can be abutted against an ejector rod of a plastic injection machine, a gear 6 is fixedly sleeved at the lower part of the rotating main shaft 7, a rack 5 transversely penetrates into the rotating seat 9, the inner end of the rack 5 is meshed with the gear, the outer end of the rack 5 is connected with the rod end of a piston rod of the horizontal oil cylinder 4, and the cylinder body of the horizontal oil cylinder; the cylinder body of the small thimble oil cylinder 12 is fixed on the bottom surface of the movable mould plate 2, the piston rod end of the small thimble oil cylinder 12 is connected with the small thimble plate 11, the small thimble plate 11 is movably sleeved in the movable mould plate 2, the lower end of the small thimble 10 is fixed on the small thimble plate 11, and the upper end of the small thimble 10 extends into the mould cavity.

The utility model discloses a theory of operation:

1. as shown in fig. 4, after the mold opening is completed, the small thimble cylinder 12 drives the small thimble 10 and the small thimble plate 11 to complete the product ejection and the product finishing, the left semi-finished product is retained, and then the small thimble cylinder 12 returns;

2. as shown in fig. 5, the ejector rod of the plastic injection machine ejects 40MM, drives the rotary die core 8 to eject 40MM upwards, and is 0.5MM higher than the guide block 13;

3. as shown in fig. 2, 6 and 3, the horizontal oil cylinder 4 loosens core to drive the rack 5 and the gear 6 to act, and after the rotary main shaft 7 drives the rotary die core 8 to rotate for 180 degrees, the rotary die core is stopped on the positioning block 15 by the stop block 14 during rotation to complete the action of rotating for 180 degrees;

4. the ejector rod of the plastic injection machine is pulled back, the rotary die core 8 returns to the original position, and the work is finished before die assembly;

5. and closing the die to finish the injection molding.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.

Claims

1. The utility model provides a double-shot molding rotary mechanism which characterized in that: the device comprises a fixed template, a movable template bottom plate, a horizontal oil cylinder, a rack, a gear, a rotary main shaft, a rotary mold core, a rotary seat, a small thimble plate and a small thimble oil cylinder; the fixed die plate and the movable die plate are abutted together, the rotary die core is movably sleeved on the top surface of the movable die plate, the upper end of a rotary main shaft is fixed in the center of the bottom of the rotary die core, the lower part of the rotary main shaft is rotatably sleeved on a rotary seat through a bearing, the rotary seat is movably arranged between the movable die plate and a movable die bottom plate and can vertically move, the bottom surface of the rotary seat can be abutted against an ejector rod of a plastic injection machine, a gear is fixedly sleeved on the lower part of the rotary main shaft, a rack penetrates into the rotary seat along the transverse direction, the inner end of the rack is meshed with the gear, the outer end of the rack is connected with the end of a piston rod of a horizontal oil cylinder; the cylinder body of the small thimble oil cylinder is fixed on the bottom surface of the movable template, the rod end of a piston rod of the small thimble oil cylinder is connected with the small thimble plate, the small thimble plate is movably sleeved in the movable template, the lower end of the small thimble is fixed on the small thimble plate, and the upper end of the small thimble extends into the cavity.

2. The double-shot injection mold rotating mechanism of claim 1, wherein: the device also comprises a guide block, a stop block and a positioning block; the guide block, the stop block and the positioning block are all arranged on the top surface of the movable template.