KR20130049314A - Vacuum forming apparatus - Google Patents

Abstract

Vacuum forming apparatus according to the present invention comprises a main body having a predetermined space on the upper surface; A cover provided on the upper surface of the main body so as to be openable and closed, the cover having a predetermined space engaged with the main body to form a vacuum space; An upper mold fixed to a lower surface of the cover and provided with a plurality of grooves into which a molding material is injected; A lower mold mounted on an upper surface of the main body, the lower mold having a plurality of protrusions engaged with grooves of the upper mold and having a molding material therebetween; And mounting means provided on the main body and the lower mold and detaching the lower mold at a predetermined position of the main body. Thus, when the cover is opened from the main body, while one worker puts the molding material into the upper mold fixed to the cover, the other worker separates the lower mold from the main body, and then puts the molding material into the lower mold, Since the lower mold can be mounted on the main body, the working time can be shortened to increase productivity.

Description

Vacuum forming apparatus {Vacuum forming apparatus}

The present invention relates to a vacuum molding apparatus for making a button pad for a remote control, and more particularly, to a vacuum molding apparatus capable of detaching a mold and reducing working time.

In general, a button pad for a remote control of a home appliance is used a lot of silicon material, the silicon has a good thermal and oxidation stability, excellent cold resistance, and is used because of high elasticity, such silicon is used as a button pad through a vacuum molding device Is produced.

The vacuum molding apparatus for manufacturing a conventional button pad is composed of a main body equipped with a lower mold and a cover equipped with an upper mold, and includes a configuration capable of applying pressure and heat.

Thus, the operator puts the carbon to form the key top into the lower mold, puts the material to color the button into the upper mold, and then raises the silicon pad to form the button into the lower mold. Subsequently, when the cover is closed to the main body, the upper / lower molds are engaged with various materials interposed therebetween, and a button pad is made by applying pressure and heat.

However, in the conventional vacuum molding apparatus, since the lower mold is fixed to the main body and the upper mold is fixed to the cover, one worker inserts or organizes the molding material into the upper and lower molds sequentially in a limited space, thereby working There is a problem that not only increases time but also decreases productivity.

The present invention has been made to solve the above problems of the prior art, an object of the present invention is to provide a vacuum molding apparatus that can proceed with the operation of inserting the molding material into the upper and lower molds at the same time.

The present invention is a predetermined space provided on the upper surface of the main body; A cover provided on the upper surface of the main body so as to be openable and closed, the cover having a predetermined space engaged with the main body to form a vacuum space; An upper mold fixed to a lower surface of the cover and provided with a plurality of grooves into which a molding material is injected; A lower mold mounted on an upper surface of the main body, the lower mold having a plurality of protrusions engaged with grooves of the upper mold and having a molding material therebetween; And, provided in the main body and the lower mold, it provides a vacuum forming apparatus comprising a; mounting means for detaching the lower mold at a predetermined position of the main body.

In addition, in the present invention, the mounting means, at least two mounting holes provided in the corner of the lower mold and at least two provided on the upper surface of the main body, corresponding to the mounting holes of the lower mold Characterized in that consisting of the mounting projections provided with more than two.

In addition, in the present invention, the mounting means, characterized in that it further comprises a pair of handles provided in the peripheral portion of the lower mold.

In the vacuum molding apparatus according to the present invention, the upper mold is fixed to the cover, but since the lower mold is detachably installed in the main body, two fixed workers simultaneously apply the molding material to the fixed upper mold and the lower mold separated into different spaces. Insertion or rearranging can shorten the working time and increase productivity, and it is easy to replace the lower mold with another type of mold as well as easy to clean.

1 and 2 are views showing one example of a vacuum forming apparatus according to the present invention.
Figure 3 is a flow chart showing an example of the operation of the vacuum forming apparatus according to the present invention.

Hereinafter, the present embodiment will be described in detail with reference to the accompanying drawings. It should be understood, however, that the scope of the inventive concept of the present embodiment can be determined from the matters disclosed in the present embodiment, and the spirit of the present invention possessed by the present embodiment is not limited to the embodiments in which addition, Variations.

1 and 2 are views illustrating an example of a vacuum forming apparatus according to the present invention.

1 to 2, the vacuum molding apparatus according to the present invention includes a main body 10, a cover 20 provided to be opened and closed on the main body 10, and an upper mold fixed to the cover 20. 30, a lower mold 40 detachably attached to the main body 10, and mounting means 50 for attaching or detaching the lower mold 40 to the main body 10. Of course, an additional pressure device (not shown) may be added or connected to keep the inner space at a vacuum pressure while the cover 20 is closed to the main body 10, but will be omitted.

The main body 10 is a kind of rectangular table shape, and is configured to have a height that is easy to work in a worker standing state. At this time, the back of the main body 10 is provided with a pressure device capable of maintaining a vacuum pressure state, the main body 10 is a pair of guide parts 11 listed on both sides long in the front / rear at a predetermined height. It can be moved along, it is preferable to be installed to be movable automatically according to the work process. Therefore, when the main body 10 is advanced along the guide portion 11 and exposed from the pressure device, operations such as supplying molding material and separating the molded article are made, and the main body 10 is the guide portion 11. When it is retracted along and introduced into the pressure device, vacuum forming is performed.

The cover 20 is installed to be opened and closed to the main body 10, the front end is opened and closed to facilitate the operator to work from the front, it is preferable to be installed to be opened and closed automatically according to the working process. At this time, the cover 20 is also installed to be moved forward / backward like the main body 10.

The upper mold 30 is formed in a kind of rectangular plate shape, and is provided with a groove 31 having a shape, such as a molding material, into which a molding material may be injected into a lower surface of the upper mold 30. In addition, the upper surface of the upper mold 30 is fixed to abut the lower surface of the cover 20, that is, the surface engaging with the main body 10, the corner portion of the upper mold 30 is the cover 20 To the bolt (B). In this case, since the cover 20 is installed to be opened and closed from the main body 10, the upper mold 30 mounted on the cover 20 is preferably fixed.

Similarly, the lower mold 40 is also formed in a rectangular plate shape, and is provided with a groove 41 having a shape such as a molding material into which a molding material can be put on the upper surface of the lower mold 40. In addition, the lower surface of the lower mold 40 is fixed to abut the upper surface of the main body 10, that is, the surface engaging with the cover 20, the corner portion of the lower mold 40 is the mounting means 50 Is detachably installed.

The mounting means 50 is provided at four corners of the lower surface of the lower mold 40 and four mounting holes 51 provided at the upper edges of the main body 10 to be engaged with the mounting holes 51. Four mounting protrusions 52 are provided, and the mounting holes 51 and the mounting protrusions 52 may be formed at positions in which the lower mold 40 and the main body 10 are interchanged with each other. In this case, a pair of handles 53 are provided on both sides of the lower mold 40 so that the lower mold 40 is easily detached from the main body 10, and the handle 53 is the lower mold 40. It is configured in a stepped shape in the lower side of both sides of the). Of course, the handle 53 may be mounted to the lower mold 40 as a separate member, but not only located in a space to which vacuum pressure is applied, but also considering the weakening force due to repeated detachment, the handle ( 53 is preferably formed integrally with the lower mold (40). In addition, the mounting means may be configured in various forms.

3 is a flow chart showing an example of the operation of the vacuum forming apparatus according to the present invention.

Looking at the process of manufacturing the remote control button pad by the vacuum forming apparatus according to the present invention with reference to Figures 1 to 3, as follows.

First, vacuum forming is performed inside the pressure device while the main body 10 and the cover 20 are engaged with each other, and then the main body 10 and the cover 20 follow the guide part 11 from the pressure device. The cover 20 is pulled forward and is opened from the main body 10 (see S1).

One worker grasps the handle 53, and then separates the lower mold 40 from the main body 10, and blows high-pressure air from the lower mold 40 to form a molding, such as a remote control button pad. (See S2).

When the lower mold 40 is separated from the main body 10, two workers insert molding materials into the upper and lower molds 30 and 40 at different positions. (See S3.)

In detail, one worker injects carbon, which will be a key top, into the grooves 41 of the lower mold 40 after the molding, and covers the silicon pads by positions. In addition, the other worker removes and inserts the silicon of the appropriate color one by one through the jig (Jig) in the groove 31 of the upper mold (30). Therefore, since two workers put molding materials into the upper and lower molds 30 and 40 at once, it is possible to reduce work time and increase productivity.

When a molding material is put into the upper and lower molds 30 and 40, one worker grasps the handle 53, and then the lower mold 40 is mounted on the main body 10 again, and the cover ( 20) to the main body 10 (see S4, S5).

Of course, when the cover 20 is closed to the main body 10, the upper and lower molds 30 and 40 remain in engagement, and molding materials are positioned therebetween.

The main body 10 and the cover 20 which are engaged with each other are moved backward along the guide part 11, are introduced into the pressure device, and then the upper and lower molds 30 are formed as molding materials are molded in a vacuum state. Between 40, a molding such as a remote control button pad is made (see S6).

The remote control button pad is produced while repeating the above process.

10: body 20: cover
30: upper mold 40: lower mold
50: mounting means 51: mounting groove
52: mounting projection 53: handle

Claims (3)

A main body having a predetermined space provided on an upper surface thereof;
A cover provided on the upper surface of the main body so as to be openable and closed, the cover having a predetermined space engaged with the main body to form a vacuum space;
An upper mold fixed to a lower surface of the cover and provided with a plurality of grooves into which a molding material is injected;
A lower mold mounted on an upper surface of the main body, the lower mold having a plurality of protrusions engaged with grooves of the upper mold and having a molding material therebetween; And,
And mounting means provided on the main body and the lower mold and detaching the lower mold to a predetermined position of the main body.
The method of claim 1,
The mounting means,
At least two mounting holes provided in the corner of the lower mold,
And a mounting protrusion provided on an upper surface of the main body and having at least two mounting protrusions fitted to correspond to the mounting holes of the lower mold.
The method according to claim 1 or 2,
The mounting means,
The vacuum molding apparatus further comprises a pair of handles provided in the peripheral portion of the lower mold.

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