JPH0815731B2 - Processing equipment for molded products - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is defective in post-processing after molding of molded products continuously manufactured by a molding machine for concrete products, mortar products, ceramic products and the like. In order to perform without producing a product, only the loading position or unloading position of the processing chamber where the molded product is loaded or unloaded can be opened and closed in a highly airtight state to automate the molded product continuously and efficiently. The present invention relates to an apparatus for processing a molded product that is optimal for post-processing.

[Conventional technology]

Conventionally, for example, concrete products, mortar products, ceramic products, etc. are subjected to a curing treatment as a post-treatment of a molded product that is continuously manufactured by a molding machine that performs compression / vibration, etc. There was no automated device to carry in and carry out from the processing chamber, and the curing process required manpower and time. In addition, uncured molded products such as concrete products are vulnerable to vibration and shock, and are likely to collapse or crack. In addition, a defective product may be produced even in a semi-automatic device in which the transportation and handling of the molded product can be carried out relatively carefully.

By the way, in the JIS standard, for example, in thick slate products as cement products, conditions such as humidity during curing, temperature, processing time, etc. are specified, but when trying to post-process a molded product that satisfies such conditions, The equipment becomes large in size, and a large-scale facility requires a processing chamber that occupies a large area. In addition, it takes a lot of processing time to carry the molded product into and out of the processing chamber, which is inefficient. Moreover, a large amount of heat source is required to secure the curing temperature, and the equipment cost and manufacturing cost are high.

From this point of view, the applicant of the present invention, the molded product molded by a molding machine and placed on a pallet for protection, carries the molded product into a multi-row / multi-stage movable storage rack that is movable in the processing chamber, or I previously filed as Japanese Patent Application No. 61-156175 an automatic processing system for molded articles that cures the molded articles completely automatically by carrying out the same number of molded articles at the same time as this loading.

As shown in the plan view of FIG. 7 and the side view of FIG. 8, the processing device according to this application intermittently moves forward with the molding machine A on the track k at an interval corresponding to the width of the row of shelves. At the same time, a moving storage rack B having a multi-stage / multi-row rack for storing the molded products placed on the pallet, and the moving storage rack B
The front and rear processing chambers C that cover the moving range of the above, and the loading station D that is provided on both sides of one of the processing chambers C and that has the elevating means for loading the molded articles into each row and each stage of the moving storage rack B. And a carry-out station E provided with an elevating means for carrying out the post-processed molded product.

In addition, F is a conveying device for moving the molded product on the pallet from the molding machine A to the carry-in station D, and G is a molded product unloading section H from the carry-out station E for the molded product on the pallet that has been cured in the processing chamber C. Further, I is a conveyer for moving the empty pallet from which the product has been taken out by the molded product take-out section H to the forming machine A for repeated use.

[Problems to be Solved by the Invention]

By the way, the two processing chambers C of the above-mentioned processing apparatus are required to have airtightness because they perform post-processing by applying heat or steam to the molded product.

However, in order to improve the production efficiency, the molded product molded by the molding machine A can be carried into each stage / row of the multi-stage / multi-row moving storage rack B provided movably in the processing chamber C. At the same time as this loading, the processed product is carried out of the processing chamber C, and a predetermined quantity of the processed product is always stored in the moving storage shelf B in the processing chamber C for processing. The two processing chambers are provided so that the carry-in position and the carry-out position of the movable storage rack B are not constant but are displaced depending on the positions of the racks of the respective stages and rows of the movable storage rack B, and the middle of the two processing chambers is provided. On both sides of one processing chamber corresponding to the position, the loading station D
And the carry-out station E are provided so as to face each other, the openings of the inlet and the outlet provided so as to face the carry-in station D and the carry-out station E become large, and it is difficult to keep the processing chamber airtight. JIS for steam curing
There is a possibility that energy such as heat and water vapor for obtaining a product satisfying the processing temperature, humidity, etc. required by the company may be lost.

Therefore, the present invention, when carrying in or out of molded products,
The storage rack is always located inside the processing chamber except where it is being loaded or unloaded, and the processing chamber is kept airtight, so that the processing time of the curing chamber for molded products can be effectively used to reduce the processing time. The strength is high as well as the shortening.
A high quality molded product is obtained, and the structure is simplified,
An object of the present invention is to provide an improved molded article processing apparatus which is easy to manufacture and assemble.

[Means for Solving the Invention]

A storage shelf having a multi-stage / multi-row shelf used for post-treatment such as curing of a molded product, a processing chamber for storing the storage rack, a carry-in station for carrying in a molded product formed by a molding machine, and Simultaneously with this loading, in a processing apparatus for molded products, provided with a discharge station for discharging the same number of molded products that have been processed in the processing chamber on opposite sides of the outside of the processing chamber, the processing chamber is sealed. And
The storage shelf and the carry-in station and the carry-out station are provided to be movable relative to each other, and the molded product is provided only at the carry-in position or the carry-out position of the molded product on both sides of the processing chamber corresponding to the carry-in station and the carry-out station. An opening / closing means is provided to form an opening that allows passage and to seal other positions.

As one embodiment, the storage rack is configured to be movable on an orbit provided in the processing chamber having a length approximately twice that of the storage rack, and is formed on both sides of a substantially intermediate position of the processing chamber. The carry-in station for carrying in the product and the carry-out station for carrying out the molded product can be arranged.

In another embodiment, a carry-in station and a carry-out station are provided movably with respect to the processing chamber and a storage rack provided in the processing chamber, and both side surfaces of the processing chamber facing the carry-in station and the carry-out station are provided. By providing the opening / closing means, it is possible to carry in / out the molded product from / to the shelves of each stage / row of the storage shelves.

Further, the opening / closing means stacks a plurality of plate bodies having a size corresponding to an opening through which the molded product can pass on a guide frame in which opposite sliding grooves are formed in a vertical direction so as to be vertically movable. However, each of the plate bodies is provided with means capable of holding or releasing the plate body at a predetermined position, so that the plurality of plate bodies are in a completely sealed state and a state in which only a predetermined step can be released. It can be configured by providing a switching drive unit.

Furthermore, after the processing in the processing chamber is completed, the pallet emptied by taking out the molded product placed on the pallet and carried out from the carry-out station to the molding machine via the carrying means. The return allows the palette to be used repeatedly.

[Action]

A storage shelf having a multi-stage / multi-row shelf used for post-treatment such as curing of a molded product, a processing chamber for storing the storage rack, a carry-in station for carrying in a molded product formed by a molding machine, and Simultaneously with this loading, in a processing apparatus for molded products, provided with a discharge station for discharging the same number of molded products that have been processed in the processing chamber on opposite sides of the outside of the processing chamber, the processing chamber is sealed. And
The storage shelf and the carry-in station and the carry-out station are provided to be movable relative to each other, and the molded product is provided only at the carry-in position or the carry-out position of the molded product on both sides of the processing chamber corresponding to the carry-in station and the carry-out station. An opening / closing means is provided to form an opening that allows passage and to seal other positions.

As a result, the processing chamber remains almost sealed even when the molded product is carried in and out of the storage rack, so that conditions such as processing temperature and humidity for steam curing in the processing chamber are kept constant. In addition to this, a special effect is obtained in that energy such as heat and water vapor can be effectively used.

〔Example〕

An embodiment of an automatic processing apparatus for molded products to which the present invention is applied will be described below with reference to FIGS. 1 to 6.

1 is to carry in a predetermined number of molded products placed on a pallet in order to achieve continuous automation of production and stable supply of product quality and strength. , Is a mobile storage shelf that is equipped with shelves arranged in multiple stages and multiple rows that are carried out while being placed on a pallet,
This moving storage rack 1 moves on a fixed track 3 installed in the processing chamber 2 in order to reduce the installation area of the line, and moves forward intermittently at intervals corresponding to the width of the row of the racks of the storage rack 1. To be done.

The processing chamber 2 is formed in a substantially box shape having a length that is approximately twice the length of the movable storage rack 1, and the inside of the processing chamber 2 is hermetically sealed so that there is a difference in the type and material of the molded product to be cured. It is heated or steamed accordingly.

The reason why the processing chamber 2 is formed to be approximately twice the length of the moving storage rack 1 is that the molded product to be cured has the quality and strength as a product conforming to the JIS standard, and the time taken by the molding machine 6 described later. Based on the amount of molding production per unit, by determining the necessary volume of the processing chamber 2 to the minimum necessary and not creating a wasteful space, it is possible to eliminate waste of the curing heat source and steam for efficient and effective use. This is because the molded product as a product is immediately shipped after the curing time is over.

4 is a carry-in station for loading and carrying the molded products formed by the molding machine 6 on a pallet, and 5 is for carrying in the same number of processed products in the processing chamber 2 at the same time as carrying in. The carrying-in station 4 and the carrying-out station 5 are provided with elevating means for carrying a molded product into each stage of the movable storage rack 1 and carrying out a post-processed molded product.

The carry-in station 4 and the carry-out station 5 are provided so as to face each other on both side surfaces of the processing chamber 2 at a substantially intermediate position, and correspond to these stations 4 and 5 when the movable storage rack 1 intermittently moves forward. Since each rack row of the moving storage rack 1 sequentially moves to the position, these loading stations 4
Also, the elevating means provided in the carry-out station 5 can carry the molded product into a desired stage of the rack row of the moving storage rack 1 or carry out the post-processed molded product.

In addition, the structure of the entire automation apparatus used in this embodiment is the same as that shown in FIGS. 7 and 8, 6 is a molding machine for molding a molded product, and 7 is a molded product molded by the molding machine 6. Is placed on the pallet and is conveyed to the carry-in station 4, and 8 and 9 are molded products from the carry-out station 5 after being processed in the processing chamber 2 to the molded product unloading section 10 via the pallet. This is a transport device for transporting and taking out, and transporting an empty pallet to the molding machine 6 again for repeated use.

FIGS. 3 to 6 show a structure of a plurality of opening / closing means 11 provided on the side surface of the processing chamber 2. The opening / closing means 11 is the processing in which the carry-in station 4 and the carry-out station 5 face each other. The opening 12 is provided on the side surface of the chamber 2, and at least the opening 12 through which the molded product can pass is opened only at a position corresponding to the shelf of the movable storage rack 1 into which the molded product is loaded or unloaded.

In the example shown in the figure, it corresponds to the rack of the mobile storage rack 1 for loading and unloading molded articles corresponding to the respective racks of the mobile storage rack 1 in a stepwise manner from the lower side with the constant height as the reference plane K. The openings 12 are formed only at the positions, and the positions corresponding to the other steps of this row are configured to be sealed. Here, the reference plane K having a constant height refers to a height that substantially corresponds to the height of the carriage 1a on which the movable storage rack 1 is movably mounted (see FIGS. 3 and 4).

The size of the opening 12 is, for example, a rectangle through which the molded product can pass so as to maintain the airtightness of the processing chamber 2, and a gap larger than necessary is formed when the molded product is carried in. It is desirable to prevent this.

The shelves in each row of the mobile storage rack 1 are, in this embodiment,
It is composed of 12 steps, and each shelf is loaded with 3 molded products from the loading side through the opening 12 while being placed on the pallet, and at the same time, 3 molded products are similarly loaded from the unloading side. Since it is designed to be carried out through the opening 12 while being placed on the pallet, there is no useless empty space on the shelves during operation, and three molded products are always moved. It is supposed to be placed in.

The opening / closing means 11 is provided at the inlet 13 and the outlet 14 positions on the wall surface of the processing chamber 2 where the carry-in station 4 and the carry-out station 5 face each other so as to face each other in the left-right direction, and slides vertically inward. Guide frames 15 and 15 having a substantially U-shaped cross section having grooves 15a and sliding grooves 15a and 15a of the guide frames 15 and 15
A large number of doors of the same size having a size corresponding to the opening 12 in which the left and right ends are loosely fitted and vertically movable, for example, as shown in FIGS. 3 and 6, a 12-plate door. Component board 16a
~ 16l and the end of the cylinder rod 17a thereof is pressed against the rear wall 15b of the guide frame 15 in order to hold a desired door constituting plate among the 12 door constituting plates 16a to 16l at a predetermined position. It is formed by the first cylinder 17.

The guide frames 15 and 15 sufficiently maintain the hermeticity with the door constituent plates 16a to 16l and reduce friction with the door constituent plates 16a to 16l to facilitate the movement of the door constituent plates. It can be formed of plastic or steel plate because it is easy to mold, and the door component plates 16a to 16l have, for example, water resistance, chemical resistance, and heat resistance, and can be easily moved up and down. A stainless steel plate having a thickness of about 5 mm is used for the.

The first cylinder 17 of the opening / closing means 11 is provided on the left and right of the front surface of each of the door constituting plates 16a to 16l so as to correspond to the pair of left and right guide frames 15 and 15, and The vertical position of the component plate 16 is such that the door component plate 16 does not tilt when the front end of the cylinder rod 17a is extended to hold the door component plate 16 in a predetermined position. It is desirable to provide the plate 16 at a substantially central position in the vertical direction.

Therefore, in this embodiment, as a whole of this embodiment having two movable storage shelves provided with two left and right door construction plates 16 and thus 12 shelves,
A total of 24 cylinders 17 will be provided, 12 on each of the left and right.

When a molded product is carried into each of the shelves of the moving storage rack 1 that moves in the processing chamber 2 and the same number of processed molded products is carried out at the same time as this carry-in, the position of the carrying-in stage or the carrying-out stage In order to support the bottom door constituent plate 16a of the laminated door constituent plates 16a to 16l in order to form the openings 12 and 12 in a state in which only the position is opened and the positions of the other steps are sealed. Cylinder rod 19 with support plate 18 attached to the end
A second cylinder 19 having a is provided in the lower middle portion of the pair of left and right guide frames 15 and 15 (see FIGS. 3 and 6).

An embodiment of the present invention has the above-described structure, and the molding machine 6
The molded products manufactured in step 1 above and placed on the pallet are sent to the elevating means of the carry-in station 4 by the carrying device 7, and then carried in a predetermined number, for example, three, on one shelf in the processing chamber 2. At the same time, the same number of three molded articles that have undergone the curing treatment as a post-treatment are carried out to the lifting means of the carry-out station 5 at the time of carrying-in.

At this time, on the wall surface of the processing chamber 2 in which the carry-in station 4 and the carry-out station 5 provided in the substantially middle portion of the process chamber 2 closely face and oppose each other, a constant height is set as a reference plane K, and a height is vertically set. Differently, the molded product is carried into the processing chamber 2 through the openings 12, 12 which are formed to have a size through which at least the molded product can pass so as to release only the carry-in position and seal the other positions. At the same time, the same number of processed molded products are unloaded from the processing chamber 2. This will be described in detail below.

First, in FIG. 1 and FIG. 2, the movable storage rack 1 corresponds to the carry-in station 4 and the carry-out station 5 provided in the substantially middle part of the processing chamber 2, and is drawn from the position indicated by the solid line to an imaginary line (two-dot chain line). While moving in the processing chamber 2 in the direction of the position indicated by, intermittently forward on the track 3 according to the width of each row of shelves,
Here, the position shown by the solid line in FIG. 1, that is,
It is assumed that the front row of the mobile storage rack 1 is located at a position corresponding to the carry-in station 4 and the carry-out station 5.

An entrance provided with opening / closing means 11 (FIGS. 3 to 6) on the side surface of the processing chamber 2 between the moving storage rack 1 and the carry-in station 4 and carry-out station 5.
13 and the exit 14 exist, so that the molded article to be processed can be carried into the mobile storage rack 1 from the carry-in station 4,
In order to carry out the processed molded product from the moving storage rack 1 to the carry-out station 5, the opening / closing means 11 provided at the inlet 13 and the outlet 14 is opened at a position corresponding to the stage for carrying in / out the molded product. Will be needed.

Therefore, only the lowermost door constituting plate 16a of the opening / closing means 11 has the cylinder rod 17 of the first cylinder 17, 17 thereof.
The door construction plate 16a can be lowered by retracting the a and 17a to release the holding, and the cylinder rod 19a of the second cylinder 19 supporting the lowermost door construction plate 16a is attached to the door construction plate 16 When it is contracted by a length substantially corresponding to the height of, the support plate 18 attached to the end of the cylinder rod 19a also descends accordingly, and as shown in FIG.
16a also has a guide frame 15, until its upper edge substantially matches the reference line K,
It moves down while being guided by 15 sliding grooves 15a, 15a.

At this time, the cylinders 17 and 17 provided on the second door constituent plate 16b from the bottom and the upper door constituent plates 16c to 1l.
These cylinders and rods 17a, 17a are extended to press their tips against the rear walls 15b, 15b of the guide frames 15, 15 so that these door constituent plates
If 16b to 16l are held in that position, the molded product shown by S in FIG. 6 can pass to the position where the lowermost door constituting plate 16a was, that is, the position of the lowermost shelf of the mobile storage rack 1. Since the opening 12 is formed, the molded product can be carried in and carried out between the carry-in station 4 and the carry-out station 5 and the lowermost shelf of the movable storage shelf 1 through this opening.

Next, the carry-in station 4 and the carry-out station 5
The cylinder rod 19a of the second cylinder 19 is extended, the lowermost door constituting plate 16a is pushed down by the support plate 18, and the lower edge thereof is raised until it coincides with the reference plane K.

Next, in order to open the door component plate 16b, which is the second lowest from the bottom, in order to carry the molded product into and out of the second shelf from the bottom of the mobile storage shelf 1, the lowest stage and the second stage from the bottom are opened. Door component board 16a,
The first cylinder 17, 17 provided in 16b releases the pressing of the cylinder rods 17a, 17a against the rear walls 15b, 15b of the guide frame 15, and the door component plate above the third step from the bottom.
Cylinder rods 17a and 17a are connected to the rear walls 15b and 15b of the guide frame 15 by the first cylinders 17 and 17 provided in 16c to 16l.
When they are pressed against each other to hold the positions of these door constituting plates 16c to 16l, the support plate 18 causes the supporting plate 18 to be at the lowest stage and the second stage from the bottom.
16a and 16b are placed in a vertically stacked state.

Therefore, in this state, when the cylinder rod 19a of the second cylinder 19 is contracted by a length substantially corresponding to the height of the door constituting plate 16, the support plate 18 attached to the end of the cylinder rod 19a also becomes the same. This is the lowermost door component plate 16
a and the second door structure plate 16b from the bottom, the guide frame until the upper edge of the second door structure plate 16b from the bottom substantially matches the height of the second shelf from the bottom of the moving storage rack 1. 15,15 sliding groove 15
It descends while being guided by a and 15a.

As a result, a molded product is formed between the lower edge of the third door constituent plate 16c from the bottom that is held so as not to move and the upper edge of the second lower door constituent plate 16b that descends as described above. Since an opening 12 is formed through which the molded article can pass, it is possible to carry in and carry out a molded product through the opening 12 between the carry-in station 4 and carry-out station 5 and the second shelf from the bottom of the mobile storage shelf 1. You can

After that, by repeating such operation, the opening 12 corresponding to the third shelf from the bottom, the fourth shelf from the bottom, ..., And the top shelf of the mobile storage rack 1 are sequentially formed. The molded articles can be loaded and unloaded from each of the lowermost shelf and the uppermost shelf of the movable storage shelf 1.

In this way, from the bottom of the front row of the mobile storage rack 1
When the loading and unloading of the molded product to the 12th uppermost shelf is completed, the moving storage shelf 1 is moved forward by an amount corresponding to the width of the 1st row of shelf, and then the above operation is repeated. By this, the molded articles can be loaded and unloaded from the lowermost shelf to the uppermost shelf of the second row of the mobile storage rack 1.

When the loading and unloading of the molded product for each of the second row shelves of the moving storage shelf 1 is completed, the moving storage shelf 1 is moved forward again by an amount corresponding to the width of the one row shelf. Molded articles are carried in and out of each of the shelves in the third row of the mobile storage rack 1, and the sequential opening operation of the opening / closing means 11 and the moving operation of the mobile storage rack 1 described above are repeated to carry out the mobile storage. It is possible to carry out the carry-in / carry-out process for all the rows and all the shelves of the shelf 1.

In the above embodiment, the door constituent plates 16a to 16l are described as descending downward by gravity, but instead of this, the door constituent plates 16a to 16l are hung from above and the door constituent plates 16a are A pair of guide frames to guide ~ 16l
It is also possible to form the opening 12 by providing a cylinder for performing a pulling operation in the upper middle portion of 15, 15 in place of the cylinder 19.

Further, in the above-described embodiment, the carry-in station 4 and the carry-out station 5 are provided so as to face the carry-in side and the carry-out side of the processing chamber 2 for carrying out curing as a post-treatment, and the processing chambers facing these stations 4 and 5 are provided. Although the openings 12 are provided on the side surface of 2, the installation locations of these stations 4 and 5 and the openings 12 of the processing chamber 2 facing these stations are not limited to two but may be many.

Further, in the above-described embodiment, the movable storage rack 1 is movably stored in the processing chamber 2 having a length of about twice, and the carry-in station 4 and the carry-out station 5 face each other at a substantially intermediate position of the process chamber 2. However, the carry-in station 4 and the carry-out station 5 are installed so as to be movable relative to the processing chamber 2 and the movable storage rack 1, and the openings 12 are provided in each row of the movable storage rack 1 in the processing chamber 2. Are provided on the side faces corresponding to the openings 12 corresponding to the respective steps of the shelf.
It is also possible to release only the carry-in part or the carry-out part and carry in and carry out the molded product only through this opening.

Further, the object to be installed is not limited to the treatment chamber 2 for carrying out the curing, and can be installed in other hermetically sealed chambers. Further, the type and use of the molded product are the same as those in the above-mentioned embodiment. Not limited to things.

〔The invention's effect〕

As described above, according to the present invention, only the opening of a size that allows the molded product to pass through when the molded product is carried in and out of the processing chamber is opened to the processing chamber. Maintain a constant environment and reduce the processing time.Furthermore, it is possible to effectively use fuel, processing materials, etc. to maintain a predetermined environment in this processing chamber, and to obtain a molded product with high strength and good quality. A special effect of being obtained is obtained.

Moreover, since the same number of processed molded articles as the carried-in molded articles are carried out at the same time when the molded articles are carried into the processing chamber,
No extra space is created on the storage cabinet, therefore
The effect that the processing efficiency is also improved is obtained.

[Brief description of drawings]

FIG. 1 is a plan view showing the whole processing apparatus for a molded product according to the present invention, FIG. 2 is a side view showing the entire processing apparatus for a molded product according to the present invention, and FIG. 3 is an opening / closing provided on the side surface of a processing chamber. FIG. 4 is a sectional view taken along the line III-III in FIG. 3, and FIG. 5 is an embodiment for holding and releasing the door constituting plate of the opening / closing means. FIG. 6 is an enlarged cross-sectional view showing a front view of the embodiment of the opening / closing means provided on the side surface of the processing chamber in a state in which the lowermost door constituent plate is opened, and FIG. 7 shows a conventional molded product processing apparatus. The plan view shown in FIG. 8 is a side view thereof. 1 ... moving storage rack, 2 ... processing room, 4 ... incoming station, 5 ... outgoing station, 6 ... molding machine, 12 ...
Opening, 15 ... Guide frame, 15a ... Sliding groove, 16a-16l ...
… Door construction plate, 17, 19… Cylinder, 19a… Cylinder / rod, K… Reference plane, S… Maximum cross section of molded product.

Claims (5)

[Claims] 1. A storage shelf provided with a multi-stage / multi-row shelf used for post-treatment such as curing of a molded product, a processing chamber for storing the storage shelf, and a molded product formed by a molding machine. In the apparatus for processing a molded product, wherein a carry-in station for carrying in and a carry-out station for carrying out the same number of molded products that have been processed in the processing chamber at the same time as this carrying-in are provided facing each other outside the processing chamber, The processing chamber is hermetically sealed, and the storage shelf and the carry-in station and carry-out station are provided so as to be movable relative to each other. Both sides of the process chamber corresponding to the carry-in station and the carry-out station carry in the molded product. An apparatus for processing a molded article, comprising an opening / closing means for forming an opening through which the molded article can pass only at a position or a carry-out position and sealing other positions. 2. The storage rack is configured to be movable on an orbit provided in the processing chamber having a length approximately twice that of the storage rack, and molded articles are provided on both sides of a substantially intermediate position of the processing chamber. The apparatus for processing a molded product according to claim 1, wherein the carry-in station for carrying in the product and a carry-out station for carrying out the molded product are arranged. 3. A carry-in station and a carry-out station are provided so as to be movable with respect to the processing chamber and a storage rack provided in the processing chamber, and the both sides of the processing chamber facing the carry-in station and the carry-out station are provided. 2. The apparatus for processing a molded product according to claim 1, wherein the molded product can be carried in and out of the shelves at each stage and each row of the storage shelves by providing the opening / closing means. 4. The opening / closing means vertically moves a plurality of plate bodies having a size corresponding to an opening through which the molded product can pass, in a guide frame having vertically opposed sliding grooves. It is possible to stack the plates, and each of the plates is provided with a means for holding or releasing the plate in a predetermined position, and the plates stacked in a plurality can release only a completely sealed state and a predetermined step. The molded article processing apparatus according to any one of claims 1 to 3, further comprising a drive unit that switches the state. 5. A pallet which has been emptied by taking out a molded product placed on a pallet and carried out from a carry-out station at a molded product take-out section after finishing the processing in the processing chamber, through a carrying means. The apparatus for treating a molded product according to any one of claims 1 to 4, wherein the pallet is used again by returning it to the molding machine.