Novel automatic cutting device for plastic inlet of plastic mold

Abstract

The utility model discloses a novel automatic cutting device for a plastic inlet of a plastic mold, which relates to the technical field of mold manufacturing and comprises an upper fixing plate, a lower fixing plate, a front mold core, a rear mold core and a cutting mechanism. The cutting mechanism is arranged between the front mold core and the rear mold core, accurate segmentation and cutting of a water gap body and a product body are achieved through movement of an upper fixing plate, manual operation is not needed, and cutting efficiency and accuracy are improved. The cutting mechanism comprises a front die cutting glue feeding point insert and a rear die cutting glue feeding point insert, wedge-shaped connection is adopted, the design that a port inclines by 40 degrees is adopted, and sharp and stable cutting is ensured; due to the arc angle design of the end part of the front mold core, the runner deforms during cutting, and the water gap body is conveniently separated from the product body; the device is simple in structure, convenient to operate, high in adaptability, suitable for products of different sizes and shapes, high in cutting efficiency, small in product damage and wide in application prospect.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould manufacturing technical field, concretely is a new type plastic mould glue inlet automatic cutting device. BACKGROUND

[0002] In the plastic mould manufacturing industry, the water gap body is an important part connecting the mould and the product in the forming process of the plastic product, which ensures that the molten plastic can be smoothly injected into the mould cavity; however, after the product is formed, the water gap body needs to be cut off from the product body to ensure the integrity and appearance quality of the product; the traditional cutting method usually relies on manual operation, which not only consumes time and effort, but also is low in efficiency, and at the same time, may cause product damage or uneven cutting surface due to improper operation.

[0003] Under this background, a new type of plastic mould glue inlet automatic cutting device is proposed, which realizes accurate cutting of the connection between the water gap body and the product body through the cooperation of the upper fixed plate and the lower fixed plate, and the cutting mechanism arranged between the front mould kernel and the rear mould kernel; the device not only has a simple structure and is easy to maintain, but also can adapt to products of different sizes and shapes, greatly improving the cutting efficiency and accuracy. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the utility model provides a new type of plastic mould glue inlet automatic cutting device, which solves the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a new type of plastic mould glue inlet automatic cutting device, comprising an upper fixed plate and a lower fixed plate, the lower end of the upper fixed plate is fixed with a front mould kernel, the upper end of the lower fixed plate is fixed with a backing plate mechanism, a rear mould kernel is fixed on the backing plate mechanism, a product body is placed on the rear mould kernel, a water gap body is connected between the two product bodies, a cutting mechanism is arranged between the front mould kernel and the rear mould kernel, the cutting mechanism corresponds to the connection between the product body and the water gap body, and the product body and the water gap body are cut off by the up-down movement of the upper fixed plate.

[0006] Further, the cutting mechanism comprises a front mould cutting glue point insert and a rear mould glue point insert, the front mould cutting glue point insert is connected with the front mould kernel in a wedge shape, the rear mould glue point insert is connected with the rear mould kernel in a wedge shape, and the end of the front mould cutting glue point insert is provided with an inclined surface, and the inclined angle is 40°.

[0007] Further, the end of the front mould kernel at the port of the front mould cutting glue point insert is provided with a circular arc angle, so that the flow channel is deformed during cutting, and the cutting part of the water gap body moves along the curved flow channel.

[0008] Further, the upper port of the rear die glue feeding point insert is inclinedly arranged in line with the lower port of the front die glue feeding point insert, and when the front die glue feeding point insert and the rear die glue feeding point insert abut, the connecting part of the nozzle body and the product body is cut open.

[0009] Further, the knife edges of the front die glue feeding point insert and the rear die glue feeding point insert are consistent in shape, so as to ensure the machining precision.

[0010] Further, the front die glue feeding point insert cuts off the nozzle body by means of the moving effect of the upper fixed plate.

[0011] The utility model provides a novel plastic mould glue inlet automatic cutting device.

[0012] The novel plastic mould glue inlet automatic cutting device effectively solves the problems of time-consuming and laborious, low efficiency and product damage in the traditional cutting mode, reduces manual intervention and labor intensity, guarantees the flatness of the cutting surface and the integrity of the product, and has simple structure, convenient operation and strong adaptability, can be applied to products of different sizes and shapes, improves production flexibility and product quality, and brings significant economic benefits and technical progress to the plastic mould manufacturing industry. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall structure schematic view of the utility model;

[0014] Figure 2 It is the overall explosion schematic view of the utility model;

[0015] Figure 3 It is the structure schematic view of cutting mechanism expansion of the utility model;

[0016] Figure 4 It is the plane schematic view of cutting mechanism section of the utility model;

[0017] Figure 5 It is Figure 4 The structure schematic view of A place in the middle is enlarged.

[0018] In the drawing: 1, upper fixed plate; 2, lower fixed plate; 3, front die insert; 4, rear die insert; 5, pad mechanism; 6, front die glue feeding point insert; 7, rear die glue feeding point insert; 8, product body; 9, nozzle body; 10, arc angle. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0020] Please refer to Figures 1-5 The present utility model provides a technical scheme: a novel plastic mold glue inlet automatic cutting device, mainly composed of upper fixed plate 1 and lower fixed plate 2, the front mold core 3 is fixed at the lower end of the upper fixed plate 1, the gasket mechanism 5 is fixed at the upper end of the lower fixed plate 2, stable support can be provided through the gasket mechanism 5, the rear mold core 4 is fixed on the gasket mechanism 5, the product body 8 is placed on the rear mold core 4, the water gap body 9 is connected between the two product bodies 8, the cutting mechanism is arranged between the front mold core 3 and the rear mold core 4, the cutting mechanism corresponds to the connection of the product body 8 and the water gap body 9, the cutting mechanism divides and cuts the product body 8 and the water gap body 9 along with the up-down movement of the upper fixed plate 1, the water gap body 9 is cut by the movement efficiency of the upper fixed plate 1, the working hours of manually cutting the water gap body 9 are saved, and the efficiency of cutting the water gap body 9 is improved;

[0021] The cutting mechanism includes the front mold cutting glue inlet insert 6 and the rear mold glue inlet insert 7, the front mold cutting glue inlet insert 6 is connected with the front mold core 3 in a wedge-shaped manner, the rear mold glue inlet insert 7 is connected with the rear mold core 4 in a wedge-shaped manner, the end portion of the front mold cutting glue inlet insert 6 is provided with an inclined surface, and the inclined angle is 40°, so that the port of the front mold cutting glue inlet insert 6 is more sharp and more hard and stable, the upper port of the rear mold glue inlet insert 7 is provided in the same inclined manner as the lower port of the front mold cutting glue inlet insert 6, when the front mold cutting glue inlet insert 6 and the rear mold glue inlet insert 7 abut, the connection between the water gap body 9 and the product body 8 is cut open, the cut is smooth and the cutting is stable;

[0022] The end portion of the front mold core 3 at the port of the front mold cutting glue inlet insert 6 is provided with a circular arc angle 10, as Figure 5 Indicated, the cutting of the front mold cutting glue inlet insert 6 at the water gap body 9 causes the flow channel to deform, and then the cutting of the water gap body 9 will move along with the curved flow channel, so as to facilitate the separation between the water gap body 9 and the product body 8;

[0023] The knife edges of the front mold cutting glue inlet insert 6 and the rear mold glue inlet insert 7 and the overall shape are consistent, the machining precision is ensured, the mold matching and glue sealing can reach a better state, and a certain number of spare parts can be made.

[0024] The above merely describes preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any person skilled in the art can make minor changes or modifications to the disclosed technical content to obtain equivalent embodiments with equivalent changes, as long as the changes or modifications do not deviate from the technical solution of the present application. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the scope of the technical solution of the present application.

Claims

1. A novel automatic cutting device for the inlet of a plastic mold, comprising an upper fixing plate (1) and a lower fixing plate (2), characterized in that, The lower end of the upper fixed plate (1) is fixed with a front mold core (3), the upper end of the lower fixed plate (2) is fixed with a pad mechanism (5), a rear mold core (4) is fixed on the pad mechanism (5), a product body (8) is placed on the rear mold core (4), a sprue body (9) is connected between the two product bodies (8), a cutting mechanism is provided between the front mold core (3) and the rear mold core (4), the cutting mechanism corresponds to the connection between the product body (8) and the sprue body (9), and cuts off the product body (8) and the sprue body (9) as the upper fixed plate (1) moves up and down.

2. The novel automatic cutting device for the inlet of a plastic mold according to claim 1, characterized in that, The cutting mechanism includes a front mold cutting glue dot insert (6) and a rear mold cutting glue dot insert (7). The front mold cutting glue dot insert (6) is connected to the front mold core (3) in a wedge shape, and the rear mold cutting glue dot insert (7) is connected to the rear mold core (4) in a wedge shape. The end of the front mold cutting glue dot insert (6) is inclined, and the inclination angle is 40°.

3. The novel automatic cutting device for the inlet of a plastic mold according to claim 2, characterized in that, The end of the front mold core (3) located at the port of the front mold cutting glue point insert (6) is set with a rounded corner (10) so that the flow channel is deformed during cutting, and the cut part of the sprue body (9) will move along with the curved flow channel.

4. The novel automatic cutting device for the inlet of a plastic mold according to claim 2, characterized in that, The upper port of the rear mold inlet insert (7) is inclined to the lower port of the front mold inlet insert (6). When the front mold inlet insert (6) and the rear mold inlet insert (7) abut against each other, the connection between the sprue body (9) and the product body (8) is cut open.

5. A novel automatic cutting device for the inlet of a plastic mold according to claim 2, characterized in that, The cutting edges and overall shape of the front die insert (6) and the rear die insert (7) are consistent to ensure machining accuracy.

6. A novel automatic cutting device for the inlet of a plastic mold according to claim 2, characterized in that, The front die cutting glue dot insert (6) cuts off the sprue body (9) by means of the movement efficiency of the upper fixing plate (1).

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