CN210651633U

CN210651633U - Injection mold with upper thread lower pipe jacking mechanism

Info

Publication number: CN210651633U
Application number: CN201920710119.6U
Authority: CN
Inventors: 何多源
Original assignee: Ningbo Sunway Precision Machinery Co Ltd
Current assignee: Ningbo Sunway Precision Machinery Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-06-02
Anticipated expiration: 2029-05-17

Abstract

The utility model provides a push pipe mechanism injection mold under screw thread in area, including mould cover half subassembly, mould mold insert subassembly, mould movable mould subassembly, mould die sinking subassembly and mould transmission assembly, the effectual mould work piece that has saved simplifies the mould structure, improves drawing of patterns efficiency, and simple structure, convenient operation.

Description

Injection mold with upper thread lower pipe jacking mechanism

Technical Field

The utility model relates to an injection mold mechanism design field specifically is push pipe mechanism injection mold under taking the screw thread.

Background

In the design of an injection molding mold for plastic parts such as bottle caps, the structure is relatively complex, so that the injection molding structure of an injection molding grinding tool is relatively complex, and after injection molding is completed, the clamping mechanism is required to clamp and remove a mold, so that the safety is realized, the demolding efficiency is low, meanwhile, no cooling structure is arranged in the existing injection molding structure, the demolding effect is relatively long, and therefore, the injection mold with the upper thread lower pipe jacking mechanism is provided and designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an injection mold with an upper thread lower pipe jacking mechanism, which has the advantages of reasonable design, compact structure, stable operation, safety, reliability and convenient use; for solving the above-mentioned prior art problem, the utility model discloses a following scheme: take screw thread push pipe mechanism injection mold down, including platen, panel, fixed die plate, movable die plate, square iron, thimble panel, thimble bottom plate, purt mouth, first fixed die mold insert, movable mould mold insert, tooth cover, tooth axle, second fixed die mold insert, headless screw, first gear, fixed die bronze mold insert, department's section of thick bamboo inner needle, department's section of thick bamboo outer needle, hydraulic motor fixed plate, first sprocket, axle, bearing, second sprocket, chain, second gear, screw thread planet pole and push pipe.

The die fixed die assembly comprises a machine platen, a panel, a fixed die plate and a sprue pump, the machine platen is installed at the top of the panel, the panel is used as a first plate of the die, the fixed die plate is fixedly connected with the panel through screws, and the sprue pump is fixed on the fixed die plate.

The die insert assembly comprises a first fixed die insert, a movable die insert, a second fixed die insert, a headless screw and a fixed die bronze insert, the first fixed die insert is installed in the fixed die plate, the movable die insert is installed in the movable die plate, the second fixed die insert is installed in the first fixed die insert, the headless screw is installed in the panel, and the fixed die bronze insert is installed in the first fixed die insert.

The die moving die assembly comprises a moving die plate, square iron and a bottom plate, the moving die plate is installed on the bottom plate of the fixed die plate, the square iron is fixed to the bottom of the moving die plate through screws, and the bottom plate is fixedly installed at the bottom of the square iron.

The mould die sinking assembly comprises a thimble panel, a thimble bottom plate, an inner ejector sleeve needle and an outer ejector sleeve needle, the thimble panel is arranged at the top of the thimble bottom plate, the thimble bottom plate is arranged at the top of the bottom plate, and the inner ejector sleeve needle and the outer ejector sleeve needle are both arranged on the thimble bottom plate.

The die transmission assembly comprises a gear sleeve, a gear shaft, a gear, a hydraulic motor fixing plate, a first chain wheel, a shaft, a bearing, a second chain wheel, a chain, a second gear, a threaded planet rod and a jacking pipe, wherein the gear sleeve is installed in the panel, the gear shaft is installed on the fixed die plate, the first gear is installed in the fixed die plate, the hydraulic motor fixing plate is installed on the injection molding machine die plate, the hydraulic motor is fixed on the hydraulic motor fixing plate, the first chain wheel is installed in the fixed die plate, the bearing is installed in the fixed die plate, the shaft is matched with the bearing, the second chain wheel is fixed at the output end of the hydraulic motor, the second gear is installed at the bottom of the panel, the threaded planet rod is installed in the fixed.

The utility model discloses in: the technical problem solved by the injection mold with the upper thread lower pipe-jacking mechanism is that: in the design of a bottle lid class plastic part injection moulding mould, because the structure is complicated relatively, the injection structure that leads to the grinding apparatus of moulding plastics is also complicated relatively, and simultaneously after the completion of moulding plastics, need press from both sides through getting the mechanism and get the drawing of patterns, lead to unsafe, and lead to drawing of patterns inefficiency, do not have among the present injection structure simultaneously and set up cooling structure, lead to demoulding effect longer, the beneficial effect who reaches is: the demolding efficiency is improved, the structure is simple, and the operation is convenient.

Drawings

FIG. 1 is a front cross-sectional view of a mold;

fig. 2 is a right side sectional view of the mold.

Detailed Description

FIGS. 1-2 are related explanatory views of the present invention; the specific embodiment is that, as shown in fig. 1 and fig. 2, the injection mold with the upper thread lower pipe jacking mechanism comprises a machine platen 1, a panel 2, a fixed mold plate 3, a movable mold plate 4, square iron 5, an ejector pin panel 6, an ejector pin bottom plate 7, a bottom plate 8, a sprue bushing 9, a first fixed mold insert 10, a movable mold insert 11, a gear sleeve 12, a gear shaft 13, a second fixed mold insert 14, a headless screw 15, a first gear 16, a fixed mold bronze insert 17, an inner driver needle 18, an outer driver needle 19, a hydraulic motor 20, a hydraulic motor fixing plate 21, a first chain wheel 22, a shaft 23, a bearing 24, a second chain wheel 25, a chain 26, a second gear 27, a threaded planetary rod 28 and a pipe jacking 28.

The mould cover half subassembly includes machine platen 1, panel 2, fixed die plate 3 and sprue 9, and machine platen 1 installs at panel 2 top for install plastic mold template, and panel 2 makes things convenient for the fixed mounting of mould as the first board of mould, and fixed die plate 3 passes through screw and panel 2 fixed connection, and sprue 9 is fixed on fixed die plate 3.

The die insert assembly comprises a first fixed die insert 10, a movable die insert 11, a second fixed die insert 14, a headless screw 15 and a fixed die bronze insert 17, the first fixed die insert 10 is installed in a fixed die plate 3 and is made of high-quality steel as a die forming part, the movable die insert 11 is installed in a movable die plate 4 and is made of high-quality steel as the die forming part, the second fixed die insert 14 is installed in the first fixed die insert 10 and is reduced in machining, later-stage adjustment is facilitated, the headless screw 15 is installed in a panel 2 and is used for fixing the second fixed die insert 14, and the fixed die bronze insert 17 is installed in the first fixed die insert 10 and provides lubrication for a gear shaft 13.

The die moving die assembly comprises a moving die plate 4, square iron 5 and a bottom plate 8, wherein the moving die plate 4 is installed on the bottom plate of the fixed die plate 3, the square iron 5 is fixed at the bottom of the moving die plate 4 through screws, and the bottom plate 8 is fixedly installed at the bottom of the square iron 5.

The mould opening assembly comprises a thimble panel 6, a thimble bottom plate 7, an inner ejector sleeve needle 18 and an outer ejector sleeve needle 19, the thimble panel 6 is mounted at the top of the thimble bottom plate 7, the thimble bottom plate 7 is mounted at the top of the bottom plate 8, and the inner ejector sleeve needle 18 and the outer ejector sleeve needle 19 are both mounted on the thimble bottom plate 7 and used for ejecting a product.

The die transmission assembly comprises a gear sleeve 12, a gear shaft 13, a first gear 16, a hydraulic motor 20, a hydraulic motor fixing plate 21, a first chain wheel 22, a shaft 23, a bearing 24, a second chain wheel 25, a chain 26, a second gear 27, a threaded planetary rod 28 and a jacking pipe 29, wherein the gear sleeve 12 is installed in the panel 2, the gear shaft 13 is installed on the fixed die plate 3, the first gear 16 is installed in the fixed die plate 3, the hydraulic motor fixing plate 21 is installed on the injection molding machine die plate, the hydraulic motor 20 is fixed on the hydraulic motor fixing plate 21, the first chain wheel 22 is installed in the fixed die plate 3, the bearing 24 is installed in the fixed die plate 3, the shaft 23 is matched with the bearing 24, the second chain wheel 25 is fixed at the output end of the hydraulic motor 20, the second gear 27 is installed at the bottom of the panel 2, the threaded planetary rod 28 is installed in the fixed die plate 3.

During actual work, the working process of the die mechanism is divided into the following steps:

1. the hydraulic motor 20 drives the second chain wheel 25, the second chain wheel 25 drives the chain 26, the chain 26 drives the first chain wheel 22 to rotate, the first chain wheel 22 drives the second gear 27 to rotate, the second gear 27 drives the first gear 16 to rotate, the first gear 16 drives the threaded core rod 28 to rotate, and the threaded core rod 28 is in threaded fit with the core rod sleeve outside the threaded core rod 28, so that the threaded core rod 28 is separated from the internal thread of a product;

2. the injection molding machine drives the movable mold part to open on the P1 parting surface;

3. the push plate pushes the top pipe 29 to move upwards, so that the product is pushed out from the upper surface of the mold core, and demolding is completed.

The embodiments described herein are merely exemplary and various modifications, additions and substitutions may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. Take screw thread push pipe mechanism injection mold down, its characterized in that: the ejector pin plate comprises a machine table plate (1), a panel (2), a fixed die plate (3), a movable die plate (4), square iron (5), an ejector pin panel (6), an ejector pin base plate (7), a base plate (8), a pump nozzle (9), a first fixed die insert (10), a movable die insert (11), a gear sleeve (12), a gear shaft (13), a second fixed die insert (14), a headless screw (15), a first gear (16), a fixed die bronze insert (17), an ejector sleeve inner needle (18), an ejector sleeve outer needle (19), a hydraulic motor (20), a hydraulic motor fixing plate (21), a first chain wheel (22), a shaft (23), a bearing (24), a second chain wheel (25), a chain (26), a second gear (27), a threaded planet rod (28) and a jacking pipe (29).

2. The injection mold of the lower push pipe mechanism with the upper thread as claimed in claim 1, wherein: the mould cover half subassembly includes platen (1), panel (2), fixed die plate (3) and purt mouth (9), and platen (1) is installed at panel (2) top, and panel (2) are as the first board of mould, and fixed die plate (3) pass through screw and panel (2) fixed connection, and purt mouth (9) are fixed on fixed die plate (3).

3. The injection mold of the lower push pipe mechanism with the upper thread as claimed in claim 1, wherein: the die insert assembly comprises a first fixed die insert (10), a movable die insert (11), a second fixed die insert (14), a headless screw (15) and a fixed die bronze insert (17), the first fixed die insert (10) is installed in a fixed die plate (3), the movable die insert (11) is installed in a movable die plate (4), the second fixed die insert (14) is installed in the first fixed die insert (10), the headless screw (15) is installed in a panel (2), and the fixed die bronze insert (17) is installed in the first fixed die insert (10).

4. The injection mold of the lower push pipe mechanism with the upper thread as claimed in claim 1, wherein: the die moving die assembly comprises a moving die plate (4), square iron (5) and a bottom plate (8), wherein the moving die plate (4) is installed on the bottom plate of the fixed die plate (3), the square iron (5) is fixed to the bottom of the moving die plate (4) through screws, and the bottom plate (8) is fixedly installed on the bottom of the square iron (5).

5. The injection mold of the lower push pipe mechanism with the upper thread as claimed in claim 1, wherein: the mould opening assembly comprises a thimble panel (6), a thimble base plate (7), an inner ejector sleeve needle (18) and an outer ejector sleeve needle (19), the thimble panel (6) is installed at the top of the thimble base plate (7), the thimble base plate (7) is installed at the top of the base plate (8), and the inner ejector sleeve needle (18) and the outer ejector sleeve needle (19) are both installed on the thimble base plate (7).

6. The injection mold of the lower push pipe mechanism with the upper thread as claimed in claim 1, wherein: the die transmission component comprises a gear sleeve (12), a gear shaft (13), a first gear (16), a hydraulic motor (20), a hydraulic motor fixing plate (21), a first chain wheel (22), a shaft (23), a bearing (24), a second chain wheel (25), a chain (26), a second gear (27), a threaded planetary rod (28) and a top pipe (29), wherein the gear sleeve (12) is installed in a panel (2), the gear shaft (13) is installed on a fixed die plate (3), the first gear (16) is installed in the fixed die plate (3), the hydraulic motor fixing plate (21) is installed on an injection molding machine die plate, the hydraulic motor (20) is fixed on the hydraulic motor fixing plate (21), the first chain wheel (22) is installed in the fixed die plate (3), the bearing (24) is installed in the fixed die plate (3), the shaft (23) is matched with the bearing (24), and the second chain wheel (25) is fixed at the output end of the hydraulic motor (20), the second gear (27) is arranged at the bottom of the panel (2), the threaded planet rod (28) is arranged in the fixed die plate (3), and the top pipe (29) is arranged on the ejector pin panel (6).