KR20080103187A

KR20080103187A - Burr cleaning device for casting work

Info

Publication number: KR20080103187A
Application number: KR1020070050170A
Authority: KR
Inventors: 이재영
Original assignee: 현대자동차주식회사
Priority date: 2007-05-23
Filing date: 2007-05-23
Publication date: 2008-11-27

Abstract

The present invention relates to a molded article burr removing apparatus, which separates the molded product (W) from the mold (1) and radiates the flame toward the burr of the product (W) when the mold (1) is separated. It makes the product (W) state that (Burr) is removed, and there is a feature that does not need to perform a separate operation for removing a burr.

Description

Burr cleaning device for casting work

1 is a block diagram of a molded article burr removing apparatus according to the present invention

2 (C) to (C) is the operation of the molded article burr removal device

3 is an operation flowchart of the molded article burr removing apparatus according to the present invention.

1: mold 2: cavity

3: core 4: ejecting plate

5: gas inflow means 6: support body

7: gas pipe 8: nozzle

9: lead in hole 10: screw hole

11: ignition means 12: receiving body

13: igniter 14: lead inlet channel

15: lead wire 16: bolt fastening hole

20 gas source 21 controller

W: Product b: Burr

The present invention relates to a molded article burr removing apparatus, and more particularly, to a molded article burr removing apparatus using a flame.

In general, in the case of injection molding a product using a mold, an injection-molded product may inevitably have a burr formed on an edge portion of its outer shape.

Since such a burr deteriorates the appearance of the injection-molded product and acts as a factor of degrading the quality of the product, most injection products are removed through post-operation to remove the burr after injection.

In one example, the operator is to perform a burr portion formed on the injection-molded product manually by using a cutter (Cutter).

However, the manual work using such a cutter will inevitably reduce the productivity and quality of the burr removal work, and the quality of the burr removal work is not constant, and in particular, the burr removal work on the curved portion This not easy dskg becomes inconvenient.

In addition, the manual work of such a burr removal operation is performed by one worker and repeats the same operation every short time (about 2 minutes), which increases the worker's fatigue and causes the musculoskeletal disorders. There is a risk of safety accident by using.

Accordingly, the present invention has been invented in view of the above, and is equipped with a device for generating a flame in the injection mold, and after the injection molding, the flame is applied to the burr formed in the injection molded product together with the mold separation. By eliminating the problem, the purpose of solving the problems caused by the manual use of the cutter (Cutter) by the operator.

In order to achieve the above object, the present invention provides a molded article deburring apparatus, the lower portion of which is coupled to the ejecting plate, and the upper portion of which passes through a core that forms the lower end of the mold and is positioned at the molded portion of the product. Inlet means;

Ignition means positioned towards the cavity coupled to the core to injection mold the product while forming the top of the mold, to ignite the flame generated from the gas supplied to the gas inlet means to radiate toward the burr of the product;

A gas supply source supplying gas to the gas inlet means;

It is characterized by consisting of a controller for controlling the gas supply and ignition.

The gas inlet means includes a support body having a lower portion coupled to the ejecting plate, a gas pipe connected to a gas supply source, leading into the support body, and a spark when the gas ignited into the gas pipe is ignited toward the burr of the product. It consists of a nozzle.

In addition, the igniter includes an accommodating body accommodated in a cavity forming an upper end of a mold and a lead wire introduced into the accommodating body through a lead inlet hole of a gas inflowing means, thereby causing a spark with a control signal of a controller. And a bolt fastening hole for passing the bolt or screw to the screw hole of the gas inlet means.

The receiving body is formed with a lead inflow channel having a predetermined width opening between the lead wire inlet portion and the igniter so as to connect the lead wire to the igniter.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 shows the configuration of the molded article burr removing apparatus according to the present invention, the molded product burr removing apparatus according to the present invention consists of a core (3) and the cavity (2) to injection-molded the product (W) It is a flame generating device which is located in the mold (1) to be separated and bonded to each other, and the molding site of the product (W) in the inside of the mold (1) to generate a flame to remove the burr of the product (W) It is constructed.

Here, the flame generating device is coupled to the ejecting plate 4, the lower portion thereof, the upper portion is located in the molding portion of the product (W) through the core (3) forming the lower end of the mold (1) The gas inlet means 5 and the cavity 2 forming the upper end of the mold 1 so that the gas supplied to the gas inlet means 5 radiates the flame toward the burr of the product W. It consists of an ignition means 11 for ignition, a gas supply source 20 for supplying gas to the gas inlet means 5, and a controller 21 for controlling gas supply and ignition.

In addition, the gas inlet means 5 includes a support body 6 whose lower portion is coupled to the ejecting plate 4, and a gas pipe connected to the gas supply source 20 to the inside of the support body 6. 7) and a nozzle 8 for guiding a flame toward a burr of the product W when ignition of the gas introduced into the gas pipe 7 occurs.

In addition, the gas inflow means 5 is formed with a lead inlet hole 9 which is connected to the lead line for the control signal of the controller 21 at intervals from the gas pipe 7, and also of the support body 6. The upper surface portion is formed with a screw hole 10 for fastening the bolt or screw.

In addition, the ignition means 11 is connected to the receiving body 12 accommodated in the cavity 2 forming the upper end of the mold 1, and the lead wire 15 introduced into the receiving body 12 is connected to the controller ( 21 is composed of an igniter 13 which causes a spark as a control signal of 21 and a bolt fastening hole 16 formed to penetrate the bolt or screw.

In addition, a lead inflow channel 14 is formed in the receiving body 12 so as to connect the lead wire 15 to the igniter 13 with a predetermined width opening between the lead wire inlet portion and the igniter 13.

Hereinafter, the operation of the present invention will be described in detail with reference to the accompanying drawings.

Burr removal apparatus according to the present invention separates the molded product (W) from the mold (1), and radiates the flame toward the burr (Burr) of the product (W) when the mold (1) is separated ( Burr) is removed to make the product (W) state, there is a feature that does not need to perform a separate operation for removing the burr (Burr).

This automatic burr removal is attributable to the flame generating device which generates the flame in association with the mold 1, which is the gas source 20 toward the core 3 forming the mold 1 as shown in FIG. 1. Gas inlet means 5 through which gas from the gas is introduced, and an ignition means 11 bolted to an upper end of the gas supply source 20 and positioned toward the cavity 2 is a burr of the product W. When the flame is radiated to the side, the burr part of the product W is melted and removed by heat.

In other words, the process of removing the burr will be described in detail with reference to FIG. 3. The product W is injected between the cavity 2 and the core 3 forming the mold 1 as shown in FIG. 2A. When molded, the cavity 2 constituting the mold 1 and the core 3 are separated to separate the product W.

In addition to the mold separation, the controller 21 supplies gas to the gas inlet means 5 through the gas pipe 7 connected to the gas supply source 20 as shown in FIG. The gas supplied to the gas is injected toward the nozzle 8 provided at the end of the gas pipe 7.

At the same time, the controller 21 is positioned toward the lead inlet channel 14 through the lead wire 15, ie, the gas inlet means 5, which leads to the ignition means 11 fastened to the top of the gas inlet means 5. An electric signal is sent to the lead wire 15 connected to the 13, and thus the igniter 13 is operated to ignite the gas supplied to the nozzle 8 of the gas inlet 5.

Subsequently, as shown in FIG. 2 (c), the flame generated through the nozzle 8 of the gas inflow means 5 is radiated toward the burr b of the product W, and the burr which is in contact with the flame ( After the flame is maintained until b) is dissolved by heat, when the burr b of the product W is removed, the controller 21 stops the gas supply and the operation of the igniter 13.

Thereafter, the product W having the burrs b removed therefrom is removed from the mold 1, and then the cavity 2 and the core 3 of the mold 1 are recombined to prepare for subsequent work.

As described above, according to the present invention, a flame generator for supplying gas to the molds detached from each other and igniting the gas is mounted, and the burr portion formed in the product is removed before the injection molded product is separated out from the mold. As a result of the removal by heat, burr removal can be performed automatically.

In addition, the present invention, as the removal of the burr (burr) of the injection-molded product is made in the mold, it is possible to prevent both the work speed delay and the occurrence of workers' diseases and safety accidents occurred when the worker's manual work Of course, since the burr is automatically removed using the flame, the quality is also improved by smoothing the burr removal of all parts of the product.

Claims

While the lower part is coupled to the ejecting plate 4, the upper part penetrates through the core 3 forming the lower end of the mold 1, and the gas inlet means 5 located at the molding site of the product W. ;

The flame generated from the gas supplied to the gas inlet means 5 is positioned toward the cavity 2 which is coupled to the core 3 so as to injection mold the product W while forming the upper end of the mold 1. Ignition means (11) for igniting to radiate toward Burr of W);

A gas supply source (20) for supplying gas to the gas inlet means (5);

The controller for controlling the gas supply and ignition (21); molded article burr removing apparatus consisting of.

The gas inlet means (5) according to claim 1, wherein the gas inlet (5) has a support body (6) whose lower part is coupled to the ejecting plate (4), and is connected to a gas supply source (20) to the interior of the support body (6). Molded product burr removal device characterized in that it consists of a subsequent gas pipe (7) and a nozzle (8) for guiding the spark to the burner side of the product (W) when the gas ignited into the gas pipe (7).

The method according to claim 1, wherein the ignition means (11) is received through the receiving body (12) accommodated in the cavity (2) forming the upper end of the mold (1) and the lead inlet hole (9) of the gas inlet means (5) The lead wire 15 introduced into the receiving body 12 is wired so that a bolt or screw is screwed toward the screw hole 10 of the igniter 13 and the gas inflow means 5 which cause a spark by the control signal of the controller 21. Molded product burr removal device, characterized in that consisting of a bolt fastening hole 16 to penetrate to be fastened.

The lead inlet channel 14 is formed in the receiving body 12 so as to connect the lead wire 15 to the igniter 13 with a predetermined width opening between the lead wire inlet portion and the igniter 13. Molded product burr removing apparatus characterized in that the.