CN219564018U

CN219564018U - In-mold hot cutting die

Info

Publication number: CN219564018U
Application number: CN202320705678.4U
Authority: CN
Inventors: 张杨益
Original assignee: Ezhou Gedian Development Zone Dayi Electrical Appliance Co ltd
Current assignee: Ezhou Gedian Development Zone Dayi Electrical Appliance Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-08-22
Anticipated expiration: 2033-04-03

Abstract

The utility model relates to the technical field of dies, in particular to an in-mold hot-cutting die which comprises an upper die, wherein an injection molding pipe is fixedly connected to the inside of the upper die, and a feeding pipe is movably connected to the inside of the injection molding pipe. The utility model has the advantages that: through setting up the mounting panel, inlet pipe swing joint is in the top of mounting panel, and the inlet pipe is located the inside of moulding plastics the pipe, when using, get into the die cavity of mould and lower mould with the material through the inlet pipe, in the die cavity shaping formation work piece, after the completion of moulding plastics, at first start the cylinder, make the piston rod pull the mounting panel downwards, drive the inlet pipe and move down, make the bottom of cutter and the bottom of moulding plastics the pipe on the coplanar, afterwards rotate through the inlet pipe and drive the cutter and intraductal rotation of moulding plastics, make the cutter carry out hot cutting to the runner junction of product and moulding plastics the pipe for incision department is parallel with the bottom of moulding plastics the pipe, makes the product incision neat, need not prune once more, and convenient to use improves the practicality.

Description

In-mold hot cutting die

Technical Field

The utility model relates to the technical field of dies, in particular to an in-mold hot cutting die.

Background

The mold is used for injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods to obtain various molds and tools of required products in industrial production, and usually after injection molding, a plastic part is connected with the product through a gate, trimming treatment is needed to be carried out on the gate, and shearing is needed after mold opening.

In the in-mould hot-cutting die disclosed in Chinese patent CN212045795U, the in-mould hot-cutting die cuts the rim charge by arranging cutters in the die, so that the working procedure is reduced, the working efficiency is improved, two different products can be simultaneously processed in the die, through the same intersection, the two cutters are arranged at the joint of the corresponding intersection and the product respectively, hot cutting is performed through a hydraulic cylinder, the cutting difficulty is reduced, the product is not easy to deform by hot cutting, and the quality of the product is further greatly improved.

However, this in-mould hot-cutting mould promotes the cutter through the cylinder and upwards moves, makes the cutter cut off the junction of runner and product, and when cutting off, the cutter can upwards promote the material of junction to product department, makes the material of junction be located the bottom of product, forms the arch for after shifting out the product, still need prune the runner department of product, reduce the practicality.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide an in-mold hot cutting mold, which solves the problems mentioned in the background art and overcomes the shortcomings in the prior art.

In order to achieve the above purpose, an embodiment of an aspect of the present utility model provides an in-mold hot-cutting mold, which includes an upper mold, wherein an injection pipe is fixedly connected to the inside of the upper mold, a feeding pipe is movably connected to the inside of the injection pipe, and a cutter is fixedly connected to the inside of the bottom end of the feeding pipe;

the inside of going up the mould has seted up the mounting groove, the inside fixedly connected with cylinder of mounting groove, the output of cylinder is provided with the piston rod, the top fixedly connected with mounting panel of piston rod, inlet pipe swing joint is in the inside of mounting panel.

By the above-mentioned scheme preferred, the constant head tank has been seted up to the inside of mounting panel, the surface fixedly connected with locating plate of inlet pipe, locating plate swing joint is in the inside of constant head tank.

By the preferred top fixedly connected with support frame of above-mentioned arbitrary scheme, the top fixedly connected with motor of support frame, the output fixedly connected with pivot of motor, the pivot runs through in the inside of support frame, pivot swing joint is in the top of mounting panel, the surface fixedly connected with first gear of pivot.

By any of the above schemes, preferably, the outer surface of the feeding pipe is fixedly connected with a second gear, the second gear is movably connected to one side of the first gear, and the first gear is meshed with the second gear.

By any of the above schemes, preferably, the bottom of the upper die is provided with a lower die, the interiors of the upper die and the lower die are provided with matched die cavities, and the die cavities are positioned at the bottom of the injection molding pipe.

By the above-mentioned scheme preferred, the top of inlet pipe is the toper setting, the height of inlet pipe is greater than the height of injection molding pipe, the top and the bottom of cutter are the slope setting, the cutter is on the coplanar with the bottom of inlet pipe.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. this mould hot-cut mould, through setting up the mounting panel, inlet pipe swing joint is in the top of mounting panel, and the inlet pipe is located the inside of moulding plastics the pipe, when using, get into the die cavity of mould and lower mould with the material through the inlet pipe, in the die cavity shaping formation work piece, after the completion of moulding plastics, at first start the cylinder, make the piston rod pull the mounting panel downwards, drive the inlet pipe and move down, make the bottom of cutter and the bottom of moulding plastics the pipe on the coplanar, afterwards rotate through the inlet pipe and drive the cutter and intraductal rotation of moulding plastics, make the cutter carry out hot-cut to the runner junction of product and moulding plastics the pipe for incision department is parallel with the bottom of moulding plastics the pipe, make the product incision neat, do not need prune once more, convenient to use, improve the practicality.

2. This mould hot-cut mould is provided with the cutter through setting up the inlet pipe in the position of inlet pipe bottom, when carrying out hot cutting to the runner department of product, starts the motor, makes the pivot drive first gear and rotates, because the second gear on the inlet pipe meshes with first gear mutually, makes the second gear drive the inlet pipe and rotates in the inside of moulding plastics pipe, makes the cutter carry out hot cutting in the junction of moulding plastics pipe and product, can polish smooth with the runner department, improves product quality.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the upper die of the present utility model;

FIG. 3 is a schematic view of the structure of the mounting groove of the present utility model;

FIG. 4 is a schematic view of the structure of an injection molded tube according to the present utility model;

FIG. 5 is a schematic view of the structure of the mounting plate of the present utility model;

FIG. 6 is a schematic view of the feed tube of the present utility model;

FIG. 7 is a schematic view of a positioning slot according to the present utility model;

fig. 8 is a schematic structural view of the locating plate of the present utility model.

In the figure: 1-upper die, 2-injection molding pipe, 3-feeding pipe, 4-cutter, 5-mounting groove, 6-cylinder, 7-piston rod, 8-mounting plate, 9-positioning groove, 10-locating plate, 11-support frame, 12-motor, 13-pivot, 14-first gear, 15-second gear, 16-lower mould.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1-8, the in-mold hot cutting die of the embodiment of the utility model comprises an upper die 1, wherein an injection molding pipe 2 is fixedly connected inside the upper die 1, a feeding pipe 3 is movably connected inside the injection molding pipe 2, and a cutter 4 is fixedly connected inside the bottom end of the feeding pipe 3;

the inside of going up mould 1 has offered mounting groove 5, and the inside fixedly connected with cylinder 6 of mounting groove 5, and the output of cylinder 6 is provided with piston rod 7, and the top fixedly connected with mounting panel 8 of piston rod 7, inlet pipe 3 swing joint in the inside of mounting panel 8.

Example 1: the inside of mounting panel 8 has seted up constant head tank 9, and the surface fixedly connected with locating plate 10 of inlet pipe 3, locating plate 10 swing joint in the inside of constant head tank 9, when inlet pipe 3 rotates in the inside of moulding plastics pipe 2, makes locating plate 10 rotate in the inside of constant head tank 9, fixes a position.

Example 2: the top fixedly connected with support frame 11 of mounting panel 8, the top fixedly connected with motor 12 of support frame 11, the output fixedly connected with pivot 13 of motor 12, pivot 13 run through in the inside of support frame 11, pivot 13 swing joint is at the top of mounting panel 8, the surface fixedly connected with first gear 14 of pivot 13, start motor 12 makes pivot 13 drive first gear 14 rotation.

Example 3: the surface fixedly connected with second gear 15 of inlet pipe 3, second gear 15 swing joint is in one side of first gear 14, and first gear 14 meshes with second gear 15 mutually, and when first gear 14 rotated, make second gear 15 and inlet pipe 3 rotate, drive cutter 4 in injection molding pipe 2 rotation, make cutter 4 carry out the hot cutting to the runner junction of product and injection molding pipe 2.

Example 4: the bottom of the upper die 1 is provided with a lower die 16, the interiors of the upper die 1 and the lower die 16 are respectively provided with a matched die cavity, the die cavities are positioned at the bottom of the injection molding pipe 2, so that materials enter the die cavities of the upper die 1 and the lower die 16 through the feeding pipe 3, and a workpiece is formed in the die cavities in a molding mode.

Example 5: the top of inlet pipe 3 sets up for the toper, and the height of inlet pipe 3 is greater than the height of pipe 2 of moulding plastics, and the top and the bottom of cutter 4 are the slope setting, can remove inlet pipe 3 when moulding plastics, make the material all get into the die cavity in, be located the bottom of pipe 2 of moulding plastics, avoid the material to form the recess in the position of cutter 4 bottom, cutter 4 and the bottom of inlet pipe 3 are on the coplanar for when moulding plastics, reduce the material and pile up at the top of cutter 4.

The working principle of the utility model is as follows: when the plastic injection molding machine is used, firstly, the cylinder 6 is started, the piston rod 7 pushes the mounting plate 8 upwards, the feeding pipe 3 is driven to move upwards, the cutter 4 is located at the top position of the bottom end of the injection molding pipe 2, a certain distance is reserved between the bottom end of the cutter 4 and the bottom end of the injection molding pipe 2, when plastic is injected, the material is located at the bottom position of the cutter 4, the formation of grooves is avoided, hot cutting is affected, after the injection molding is completed, the material is not solidified, firstly, the cylinder 6 is started, the piston rod 7 pulls the mounting plate 8 downwards, the feeding pipe 3 is driven to move downwards, the bottom of the cutter 4 and the bottom of the injection molding pipe 2 are on the same plane, then hot cutting is carried out, when hot cutting is carried out on a pouring gate of a product, the motor 12 is started, the rotating shaft 13 is driven to rotate the first gear 14, and the second gear 15 drives the feeding pipe 3 to rotate in the injection molding pipe 2, so that the cutter 4 is in hot cutting at the junction of the injection molding pipe 2 and the product, the product quality is improved, the cut is enabled to be parallel to the bottom of the pouring gate 2, the product is enabled to be convenient to use, and the practicality is not needed.

Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:

1. this in-mould hot-cutting mould, through setting up mounting panel 8, inlet pipe 3 swing joint is in the top of mounting panel 8, and inlet pipe 3 is located the inside of moulding plastics pipe 2, when using, get into the die cavity of mould 1 and lower mould 16 with the material through inlet pipe 3, the shaping forms the work piece in the die cavity, after moulding plastics the completion, at first start cylinder 6, make piston rod 7 pull mounting panel 8 downwards, drive inlet pipe 3 and remove downwards, make the bottom of cutter 4 and the bottom of moulding plastics pipe 2 on the coplanar, afterwards drive cutter 4 through inlet pipe 3 rotation and rotate in moulding plastics pipe 2, make cutter 4 carry out the hot-cutting to the runner junction of product and moulding plastics pipe 2 for incision department is parallel with the bottom of moulding plastics pipe 2, make the product incision clean, need not prune once more, and convenient to use improves the practicality.

2. This in-mould hot-cutting mould is provided with cutter 4 through setting up inlet pipe 3 in the position of inlet pipe 3 bottom, when carrying out the hot-cutting to the runner department of product, starts motor 12, makes pivot 13 drive first gear 14 and rotates, because the second gear 15 on the inlet pipe 3 meshes with first gear 14, makes second gear 15 drive inlet pipe 3 at the inside rotation of moulding plastics pipe 2, makes cutter 4 carry out the hot-cutting in the junction of moulding plastics pipe 2 and product, can polish the runner department smooth, improves product quality.

Claims

1. The in-mold hot cutting die is characterized by comprising an upper die (1), wherein an injection molding pipe (2) is fixedly connected to the inside of the upper die (1), a feeding pipe (3) is movably connected to the inside of the injection molding pipe (2), and a cutter (4) is fixedly connected to the inside of the bottom end of the feeding pipe (3);

the die is characterized in that a mounting groove (5) is formed in the upper die (1), an air cylinder (6) is fixedly connected to the mounting groove (5), a piston rod (7) is arranged at the output end of the air cylinder (6), a mounting plate (8) is fixedly connected to the top of the piston rod (7), and the feeding pipe (3) is movably connected to the inside of the mounting plate (8).

2. The in-mold hot-cutting die according to claim 1, wherein a positioning groove (9) is formed in the mounting plate (8), a positioning plate (10) is fixedly connected to the outer surface of the feeding pipe (3), and the positioning plate (10) is movably connected to the inside of the positioning groove (9).

3. An in-mold hot-cutting die as claimed in claim 2, wherein the top of the mounting plate (8) is fixedly connected with a supporting frame (11), the top of the supporting frame (11) is fixedly connected with a motor (12), the output end of the motor (12) is fixedly connected with a rotating shaft (13), the rotating shaft (13) penetrates through the inside of the supporting frame (11), the rotating shaft (13) is movably connected to the top of the mounting plate (8), and the outer surface of the rotating shaft (13) is fixedly connected with a first gear (14).

4. An in-mold hot cutting mold according to claim 3, wherein the outer surface of the feeding pipe (3) is fixedly connected with a second gear (15), the second gear (15) is movably connected to one side of the first gear (14), and the first gear (14) is meshed with the second gear (15).

5. An in-mold hot-cutting mold as claimed in claim 4, characterized in that the bottom of the upper mold (1) is provided with a lower mold (16), and the interiors of the upper mold (1) and the lower mold (16) are provided with matched mold cavities, and the mold cavities are positioned at the bottom of the injection molding pipe (2).

6. An in-mold hot-cutting mold according to claim 5, wherein the top of the feed pipe (3) is tapered, the height of the feed pipe (3) is greater than the height of the injection pipe (2), the top and bottom of the cutter (4) are both inclined, and the cutter (4) and the bottom of the feed pipe (3) are on the same plane.