JPH09155824A - Vibration molding device under pressure variation - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an optimum excitation condition by downsizing the whole of a device by downsizing a pressure variation room and operating an exciting means under normal pressure. SOLUTION: In a machine body 1, a pressure variation means 4 is connected to the inside of a pressure variation room 2 capable of housing a matter to be worked (b). A vibrating body 5 having an exciting means 6 is attached to the machine body 1 through a vibration insulating body 15. To the vibrating body 5, an attaching body 7 which fronts on the inside of the pressure variation room 2 from an opening 16 provided in the room 2 is connected. A table 8 on which the matter to be worked (b) is to be laid is supported by the attaching body 7 and the opening 16 of the room 2 is covered with a flexible covering body 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration forming apparatus for a transformer used in the processing industry for forming an article by applying a pressure and a vibration.

[0002]

2. Description of the Related Art Conventionally, for example, in the brick manufacturing industry, as a preliminary step of firing in a predetermined furnace, raw materials such as clay and sand are filled into a mold, which is vibrated under reduced pressure. Deaeration work was performed to remove air mixed in the raw materials.

As a device for performing this deaeration work,
For example, one described in Japanese Examined Patent Publication No. 56-43009 is known.

In this system, a vibrating base plate supported by a spring is provided in a closed decompression chamber, and a mold containing a block raw material is placed and supported on the vibrating base plate. The material of the block was deaerated while the pressure was reduced by a pump and the vibration of the vibrating base plate was applied.

However, since this apparatus is constructed such that the vibration generator for vibrating the mold containing the raw material is provided in the sealed decompression chamber, the decompression chamber must be made large, and the entire apparatus is large. And the equipment price rises.

When the vibration generator is provided in the decompression chamber, the decompression action of the vacuum pump adversely affects the vibration unit composed of a motor or the like, resulting in early damage of the vibration unit or difficulty in obtaining desired vibration conditions. There were times when it became. And other various problems.

[0007]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, in which a transformation means is linked to the inside of a transformation chamber capable of accommodating a workpiece in a machine body, and
A vibrating body having a vibrating means is attached to the machine body through a vibration insulator, and the vibrating body is connected to a mounting body facing the inside of the variable pressure chamber through an opening provided in the variable pressure chamber, and to this mounting body. By supporting the table on which the work piece is placed and by covering the opening of the variable pressure chamber with a flexible cover, the entire variable pressure chamber can be downsized to form a compact device,
Another object of the present invention is to provide a vibration-forming device for transformation under which an optimum vibration condition can be obtained by operating the vibration means under normal pressure.

[0008]

[Means for Solving the Problems] The means of the present invention for achieving the above-mentioned object is a machine body, a variable pressure chamber which can be fixed to the machine body and accommodates a workpiece therein, and one of the variable pressure chambers. An inlet / outlet provided on a side portion for inserting / removing a workpiece to be closed by an opening / closing lid, a transformer unit linked to the inside of the transformer chamber, and a vibrator attached to the machine body via a vibration insulator, A vibrating means provided on the vibrating body, a mounting body which is connected to the vibrating body and faces the inside of the variable pressure chamber through an opening provided in the variable pressure chamber, and a workpiece to be supported by the mounting body to support the workpiece. The vibration forming apparatus for a transformer is provided with a table to be placed and a flexible cover that covers the opening of the transformer chamber.

Further, the support of the table on which the workpiece is mounted by the mounting body is supported either below or above the variable pressure chamber or from the side.

Further, according to the present invention, a machine body, a variable pressure chamber which can be fixedly mounted on a support body provided upright from the machine body to accommodate a workpiece therein, and a variable pressure chamber provided on one side of the variable pressure chamber to be processed. An entrance / exit for loading and unloading objects, which is sealed by an opening / closing lid, a transformer unit linked to the inside of the transformer chamber, and a vibrator attached to the machine body through a vibration insulator that is expandable and contractible in the height direction. And a vibrating means provided on the vibrating body, and an attachment body which is connected to the vibrating body and faces the inside of the variable pressure chamber through one or a plurality of openings provided on the lower side of the variable pressure chamber. A table on which the workpiece is placed by being supported by the mounting body, a receiving means which is provided inside the variable pressure chamber and on which the workpiece is placed when the table is lowered by the vibration insulator, and the outside of the variable pressure chamber. In addition, the transfer surface of the receiving means and the upper surface of the receiving means are aligned. There conveying means of objects, said a covering body of flexible obtained by coating the opening of the variable pressure chamber, the configuration of the vibration molding machine for transformer under which gave equipped with.

[0011]

The present invention configured as described above has the following effects.

The workpiece is carried into the transformer chamber through the entrance of the transformer chamber, the workpiece is placed on the table, and the lid chamber is hermetically sealed.

When the vibrating means of the vibrating body connected to the table via the mounting body is driven, the vibration generated by this vibrating means is transmitted from the vibrating body to the table via the mounting body. Predetermined vibration is applied to the workpiece on this table.

On the other hand, inside the variable pressure chamber, a predetermined pressure reduction or pressurization is performed by the pressure changing means. For example, when a pressure reducing action is performed, the internal pressure reducing causes a suction action on the air mixed in the workpiece. Works, and in combination with the vibration, smooth degassing is performed.

At this time, since the opening of the mounting body provided in the transformer chamber is covered by the cover body in a sealed state,
It does not suck in the outside air of the variable pressure chamber, and the flexible cover keeps the other side fixed even if an oscillating force is applied to the vibrating body or mounting body to which one side is fixed. No vibration means is applied to the existing transformer room.

Further, if the receiving means in the variable pressure chamber and the conveying means having the same height are arranged adjacent to the outside of the variable pressure chamber, the work can be carried in and out smoothly.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an example of an embodiment of a vibration forming apparatus for transformation under the present invention will be described with reference to the drawings.

In FIGS. 1 to 4, A is for a work piece b (which is an arbitrary article such as refractory brick or concrete molded article) under pressure transformation, for example, in a depressurized state or a pressurized state. A vibration forming apparatus for transforming that provides deaeration, aeration and vibration, and in the present embodiment, it is adopted as a device that provides deaeration and vibration under reduced pressure,
The machine body 1, the transformation chamber 2, the doorway 3, the transformation means 4, the vibrating body 5, the vibrating means 6, the mounting body 7, the table 8,
It is basically constituted by the cover 9.

When the raw material having fluidity is used as the workpiece b, a mold having a predetermined shape is used, though not shown.

The above-mentioned variable pressure chamber 2 is attached to the body 1 by the support member 1
A hollow portion 11 which is fixed by 0, and in which the workpiece b can be freely inserted and taken out is formed in a horizontally long (this embodiment) or vertically long shape.

The above-mentioned inlet / outlet 3 is provided on one side of the horizontally long transformation chamber 2 to allow the workpiece b to be taken in and out, and is closed by a lid 12 which can be opened and closed by a hinge (not shown).

The above-mentioned transformation means 4 uses a vacuum pump which is linked to the inside of the transformation room 2 and is connected to a ventilation pipe 13 provided at an appropriate place in the transformation room 2 through a pipe 14, By setting the pressure to be lower, the mixed air in the workpiece b is removed.

When the pressure inside the pressure-changing chamber 2 is to be increased, the pressure-changing means 4 is not shown in the drawing, but uses compressed air or the like from the vent pipe 13 or a workpiece b. Pump any other suitable pressurized gas effective against.

The above-mentioned vibrating body 5 is attached to the machine body 1 via a vibration insulator 15 such as an air spring which operates by pressure feeding of pressurized air. As shown in FIGS. 1 and the transformer room 2.

Then, the vibration insulator 15 by the air spring is used.
By supplying and exhausting pressurized air to and from the inside, the table 8 can be expanded and contracted in the height direction, and the connected table 8 can be moved up and down by a predetermined amount.

The above-mentioned vibrating means 6 is provided on the vibrating body 5 and uses a vibrating unit such as a conventional vibrating motor. It is arbitrarily selected according to the workpiece b for processing the vibration to be performed.

The above-mentioned mounting body 7 connects the vibrating body 5 and a table 8 which will be described later, and the vibrating means 6 is applied to the table 8.
Is transmitted to the inside of the variable pressure chamber 2 through the openings 16 provided at one or a plurality of points in the variable pressure chamber 2, and in the case shown in FIGS. 1 and 2,
The opening 16 is provided below the transformer chamber 2.

The above-mentioned table 8 is supported by the mounting body 7 and on which the workpiece b is stably placed.
In the case shown in FIGS. 1 and 2, the mounting body 7 is provided on the upper end of the mounting body 7 so that its mounting surface is substantially horizontal.

The above-mentioned cover 9 covers the openings 16 of the variable pressure chamber 2, and when the pressure is reduced by the variable pressure means 4,
It is designed so that air from the outside of the variable pressure chamber 2 is not sucked in, and employs a flexible bellows type tough hose, and one end thereof is attached to the opening mounting portion 17 of the variable pressure chamber 2.
Further, the other end is firmly attached to the attachment cylinder 18 of the attachment body 7 with the vibrating body 5.

Therefore, the vibration of the vibrating body 5 is absorbed by the cover 9 and is not transmitted to the variable pressure chamber 2.

In FIG. 2, reference numeral 20 denotes a receiving means provided inside the variable pressure chamber 2, and a rollable roller 22 is provided on an upper portion of a support piece 21 which is erected at a predetermined height from the bottom of the variable pressure chamber 2. Workpiece b that is axially supported and is carried in through the entrance / exit 3.
Is moved to a predetermined position and placed, or the processed workpiece b
For easy removal.

Corresponding to the receiving means 20, as shown in FIG. 2, a conveying means 23 for the workpiece b is arranged outside the variable pressure chamber 2, and the rollers 22 in the receiving means 20 are arranged. A plurality of rollers 24, whose upper and lower transfer surfaces are aligned with each other, are axially supported on the frame 25 at intervals.
The work b is carried in and out.

Further, since the front portion of the conveying means 23 interferes with the door 12 of the variable pressure chamber 2 and the opening and closing thereof, as shown in FIG. 2, an operating member 26 such as a fluid cylinder is used from the position of the phantom line. It is preferable to be configured so that it can be flipped up.

In the vibration-forming apparatus A for transformation under the present invention constructed as above, the workpiece b is carried into the transformation chamber 2 from the entrance 3 of the transformation chamber 2 by the conveying means 23 and the receiving means thereof. 20 and place it on top.

Then, when pressurized air is sent under pressure into the air spring which is the vibration insulator 15, the vibration insulator 15 expands, and the table 8 is passed through the vibrating body 5 and the mounting body 7 so that the table 8 and the roller 22 of the receiving means 20. Project from the transfer surface.

Therefore, since the workpiece b moves on the table 8, the inlet / outlet 3 is closed by the lid 12 to seal the inside of the variable pressure chamber 2.

In this state, when the vibrating means 6 is driven while operating the voltage transforming means 4, the vibration generated by the vibrating means 6 is transmitted from the vibrating body 5 to the table 8 via the mounting body 7. Predetermined vibration is applied to the workpiece b on the table 8, the pressure inside the variable pressure chamber 2 is reduced to a predetermined atmospheric pressure by the transformer 4, and the workpiece is reduced by the internal pressure reduction. A suction action acts on the air mixed in b, and in combination with the vibration, smooth degassing is performed.

At this time, since the opening 16 provided in the variable pressure chamber 2 for mounting the attachment body 7 is covered with the cover body 9 in a sealed state, the outside air of the variable pressure chamber 2 is not sucked, and The flexible cover body 9 absorbs or non-transmits this vibration in the middle even if a vibration force is applied to the vibrating body 5 or the attachment body 7 to which one of them is fixed, and the other side. The vibrating means 6 does not act on the variable pressure chamber 2 to which is fixed.

When the work is completed, the vibration insulator 15
When the air supply to the is stopped (continuous intake may not be performed in some cases) and the air is exhausted, the vibration insulator 15 contracts and the vibrator 5
The workpiece b is placed on the receiving means 20 by lowering the height of the table 8 via the mounting body 7 from the transfer surface of the roller 22 of the receiving means 20. The workpiece b is unloaded from the chamber 2.

In FIGS. 3 and 4, A is a vibrating means 6
3 is a vibration forming apparatus for transforming under pressure, showing a modified example of the mounting position. In the case shown in FIG. 3, the vibrating means 6 is provided on the machine body 1 on one side of the transforming chamber 2 via the vibration insulator 15. The body 5 is attached, and the outer body of the vibrating body 5 is made to support the mounting body 7 which is exposed to the inside of the variable pressure chamber 2 through the opening 16 provided at the side portion of the variable pressure chamber 2, and the end portion of the mounting body 7 is supported. The table 8 on which the workpiece b is placed is fixedly attached.

The cover 9 having the same structure as described above has one end connected to the opening mounting portion 17 of the transformer chamber 2 and the other end connected to the vibrating body 5 of the mounting body 7, as in the above-described example. They are firmly attached to the attachment cylinders 18 and.

Further, since the mounting body 7 is in a cantilevered state, the table 8 may have its lower portion supported by the rollable roller 30.

Further, in the vibration forming apparatus A for under-transformation in the case shown in FIG. 4, the vibration insulation 15 is applied to the support member 31 provided on both sides of the transformation chamber 2 and having the height of the transformation chamber 2. The vibrating body 5 provided with the vibrating means 6 is attached, and the mounting body 7 facing the inside of the variable pressure chamber 2 is hung below the vibrating body 5 through the opening 16 provided in the upper side of the variable pressure chamber 2. The table 8 on which the workpiece b is placed is fixed to the lower end of the mounting body 7 while being held.

The cover 9 having the same structure as described above has one end connected to the opening mounting portion 17 of the transformer chamber 2 and the other end connected to the vibration member of the mounting body 7, as in the above-described examples. It is firmly attached to each of the attachment cylinders 18 and 5.

In these mounting examples of the vibrating means 6, it is appropriately selected according to the processing conditions performed in the variable pressure chamber 2 and the type of the workpiece b.

[0046]

As described above, in the vibration-forming apparatus for under-transformation of the present invention, the vibrating means serving as a vibration source is provided outside the variable pressure chamber, and the vibration of the vibrating means is transmitted to the variable pressure chamber. Since it is insulated, the structure of the transformer chamber can be made as small as possible and the entire device can be manufactured compactly.

In particular, by installing the vibrating means outside the variable pressure chamber, the vibrating means is not affected by the transforming means in the variable pressure chamber at all, and the vibrating means is predetermined. The desired performance can be achieved. And so on.

[Brief description of the drawings]

FIG. 1 is a partially cross-sectional front view showing an embodiment of a vibration molding apparatus for transformation under pressure according to the present invention.

FIG. 2 is a vertical side view of FIG.

FIG. 3 is an explanatory view showing another example of attachment of the vibrating means in the device in FIG.

FIG. 4 is an explanatory view showing still another mounting example of the vibrating means in the apparatus in FIG.

[Explanation of symbols]

 b Work piece 1 Machine body 2 Transformer room 3 Entrance / exit 4 Transformation means 5 Vibrating body 6 Exciting means 7 Mounting body 8 Table 9 Cover body 15 Vibration insulator 16 Opening 20 Receiving means 23 Conveying means

Claims (3)

[Claims] 1. A machine body, a variable pressure chamber that is fixed to the machine body and can accommodate a work piece therein, and is provided on one side of the variable pressure chamber to allow the work piece to be taken in and out and closed by an opening / closing lid body. The entrance and exit, the transformer means linked to the inside of the transformer chamber, the vibrating body attached to the machine body via a vibration insulator, the vibrating means provided on the vibrating body, and the vibrating body. A mounting body facing the inside of the variable pressure chamber through an opening provided in the variable pressure chamber, a table on which a workpiece is placed by being supported by the mounting body, and a flexibility that covers the opening of the variable pressure chamber. A vibration forming apparatus for transformation under pressure, comprising: 2. The support of the table on which the workpiece is mounted by the mounting body is supported either downward or upward with respect to the variable pressure chamber or from one side of the variable pressure chamber. Vibration forming equipment for transformation. 3. A machine body, a variable pressure chamber that can be fixed to a support member provided upright from the machine body and can accommodate a work piece therein, and a work piece provided on one side of the variable pressure chamber for taking in and out the work piece. An inlet / outlet closed by an open / close lid, a transformer means linked to the inside of the transformer chamber, and a vibrator attached to the machine body through a vibration insulator that is expandable and contractible in the height direction,
A vibrating means provided on the vibrating body, a mounting body which is connected to the vibrating body and faces the inside of the variable pressure chamber through one or more openings provided on the lower side of the variable pressure chamber, and the mounting body. A table for supporting the workpiece on the body and placing the workpiece thereon, a receiving means provided inside the variable pressure chamber for receiving the workpiece when the table is lowered by the vibration insulator, and the outside of the variable pressure chamber. Vibration forming for transformation, characterized in that it is provided with a conveyance means for the workpiece in which the transfer surface of the receiving means coincides with the upper surface thereof, and a flexible cover that covers the opening of the transformation chamber. apparatus.