JP2001300914A - Method and apparatus for manufacturing concrete secondary product - Google Patents

Abstract

PROBLEM TO BE SOLVED: To manufacture a concrete secondary product which is high in quality and dimensional precision without bringing about remarkable increase of an application cost. SOLUTION: Under a state wherein a supply auxiliary plate 91 is placed on an upper face of a form 1, a concrete material 100 is supplied into the form 1. As the resalt of form-pressing by a press board 321, the upper face of the form 1 is allowed to meet an upper face of the concrete material 100.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a concrete secondary product in which a concrete material supplied to a mold is stamped, and then the mold is turned over to immediately remove the concrete secondary product. Methods and equipment.

[0002]

2. Description of the Related Art FIG. 10 shows a prior art of this kind. In this prior art, the concrete secondary product is immediately demolded by pressing the hardened concrete material B supplied into the mold A and then inverting the mold A up and down. , A supply frame C and a reversing table D.

The material supply frame C has a frame shape with upper and lower end surfaces opened, and can reciprocate on the upper surface of the table E along the upper end surface of the formwork A. The reversing table D is a table on which the formwork A is placed, and is arranged to be rotatable about a horizontal axis.

In the prior art configured as described above, first, as shown in FIG. 10 (a), in a state where the feeding frame C is arranged in a lower region of the hopper F, the feeding frame C is Concrete material B is supplied to the inside of the container.

[0005] Next, as shown in FIG. 10 (b), the material supply frame C is moved forward on the upper surface of the table E, and is arranged above the form A. As a result, the concrete material B supplied to the supply frame C is supplied to the inside of the form A.

Thereafter, as shown in FIG. 10C, the material supply frame C is moved backward, and is again arranged below the hopper F. During this time, the rear end portion of the side wall of the feeding frame C at the time of the backward movement slides on the upper end surface of the form A, and the upper surface of the concrete material B supplied to the form A is It will match the top surface.

Next, as shown in FIG. 10D, the press plate G is moved downward, and the concrete material B in the mold A is pressed and compacted. Then, as shown in FIG.
The pallet H is placed on the upper surface of the mold A, and from this state, the mold A is turned upside down by rotating the reversing table D as shown in FIG.

Finally, as shown in FIG. 10 (g), if the mold A and the pallet H are relatively vertically separated from each other,
The concrete material B filled in the form A can be immediately removed from the pallet H as a concrete secondary product B 'having a desired shape.

[0009]

By the way, in the above-mentioned prior art, as a result of pressing by the press plate G, FIG.
As shown in FIG. 1, the upper surface of the concrete material B supplied to the inside of the mold A is located at a position lower than the upper surface of the mold A (reference numeral J in the figure). Therefore, the secondary concrete product B 'thus manufactured is not always preferable in terms of dimensional accuracy.

Further, as shown in FIG. 12 (a), a gap K is formed between the pallet H placed on the upper surface of the mold A, so that when the reversing table D is turned over,
As shown in (b), the concrete material B in the formwork A falls on the upper surface of the pallet H by the gap K described above. As a result, the quality of the concrete secondary product B 'may be significantly impaired, such as cracking or damage to the concrete secondary product B'.

In order to prevent the concrete secondary product B 'from being cracked or damaged, a convex portion is provided on the pallet, and the pallet is fitted into the formwork to fill a gap with the concrete material. Can be considered. However, since the above-mentioned convex portion needs to have a cross-sectional shape that matches the mold, it is individual according to the type of product. As a result, the number of pallets corresponding to the number of products must be prepared for each type of product, and the number of pallets becomes extremely large, resulting in a remarkable increase in application cost. Moreover, the dimensional accuracy of the secondary concrete product cannot be improved at all even when the pallets described above are applied.

The present invention has been made in view of the above circumstances, and has as its object to provide a manufacturing facility capable of manufacturing a concrete secondary product having high quality and high dimensional accuracy without causing a remarkable increase in application cost. I do.

[0013]

According to the present invention, a concrete secondary product in which a concrete material supplied to a mold is embossed and then the concrete secondary product is immediately demolded by inverting the mold. In the manufacturing method, the concrete material is supplied to the mold with the supply auxiliary member placed on the upper surface of the mold, and as a result of embossing, the upper surface of the mold is made to coincide with the upper surface of the concrete material. ing.

According to the present invention, there is provided a concrete secondary product manufacturing facility in which a concrete material supplied to a mold is stamped, and then the mold is turned over to immediately remove the concrete secondary product. A supply auxiliary member that enables the concrete material to be supplied to the form beyond its upper surface is detachably provided on the form.

As the supply auxiliary member, a plate-like member which is placed on the upper surface of a mold and has a material supply hole at a position corresponding to the opening of the mold can be used.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings showing embodiments. FIGS. 3 to 6 show one embodiment of the manufacturing equipment according to the present invention.
Manufacturing equipment for manufacturing a relatively large-sized concrete secondary product, for example, a concrete secondary product 100 ′ having a maximum size of 1200 mm × 1200 mm × 350 mm by immediately demolding the concrete material 100 supplied to I have.

As is apparent from the figure, the manufacturing equipment exemplified here has a mainframe frame 10 erected in a rectangular shape.
Reversing device 20, pressing device 30, and pallet receiving table 40
Is provided.

The reversing device 20 is for reversing the mold 1 up and down, and has a mounting table 210 on which the mold 1 is mounted. The mounting table 210 includes a mounting plate portion 211 having a rectangular flat plate shape sufficiently larger than the mold 1 and a mounting plate portion 2.
11 and a pair of support side plate portions 212 extending upward from both sides of the support side plate portion 212.
Is rotatably disposed about a horizontal axis via a shaft member 213 protruding from the outer surface of the.

The mounting table 210 has a driven gear 22
0, a pair of clamp means 230 and vibrating means 240 are provided. The driven gear 220 is a large-diameter spur gear fixed to the shaft member 213 of the mounting table 210. The driven gear 220 meshes with a pinion 222 fixed to the output shaft of the reversing motor 221.
The mounting table 210 is driven via the pinion 222 by driving the
It is possible to rotate with it. Clamping means 230
Is provided for clamping the mold 1 placed on the mounting table 210, and includes a clamper 231 provided on the inner surface of the upper end of each support side plate portion 212, and a clamp cylinder actuator 232 for swinging the clamper 231. It is configured. The vibrating means 240 is means for applying vibration to the mounting table 210, and includes, for example, an eccentric weight (not shown) and a vibration motor (not shown) for driving the eccentric weight to rotate. .

The press device 30 is for pressurizing the concrete material 100 supplied to the mold 1 and has a press frame 310. Press frame 310
Is a movable frame supported by a guide rod 11 of the main frame 10, and a press cylinder actuator 311 interposed between the movable frame and the main frame 10.
It is possible to move up and down by the operation of.

The press frame 310 is provided with a plate holder 320 and a pair of turning cylinder actuators 330. The plate holder 320 holds the press plate 321 detachably on the lower surface thereof.
20 is pivotally disposed at the center. Each of the turning cylinder actuators 330 is a plate holder 3
The plate holder 320 is interposed between the press frame 20 and the press frame 310 and has a function of reciprocatingly rotating the plate holder 320 about the axis of the pivot shaft 322 with respect to the press frame 310. Although not shown in the drawing, the plate holder 320 is provided with the same vibration means as the mounting table 210 described above.

The pallet receiving table 40 is a plate-like member disposed horizontally below the mounting table 210. The pallet receiving table 40 is provided with the clamper 231 of the clamping means 230 described above.
Have a smaller width than each other when they swing toward each other (indicated by a two-dot chain line in FIG. 4), and are driven up and down while maintaining a horizontal posture by driving an actuator (not shown). It is possible to move in the direction.

On the other hand, the above-mentioned manufacturing equipment is provided with an elevating frame 50 in the rear area (right side in FIG. 3) of the main frame 10. The lifting frame frame 50 extends rearward from the rear surface of the main frame frame 10, and can be moved up and down with respect to the floor surface by the operation of the lifting cylinder actuator 51.

The raising and lowering frame 50 is provided with a feeding device 6.
0 and a pallet supply device 70 are provided.

The material supply device 60 is for supplying the concrete material 100 to the mold 1 placed on the mounting table 210, and is provided with a material supply frame 61 in the upper frame 52 of the elevating frame 50. ing. Feeding frame 61
7 to 9 are frame members that are narrower than the upper frame 52 and extend horizontally along the elevating frame frame 50, as shown in FIGS. A running roller 62 is provided, and a supply cylinder actuator 63 is provided between the running roller 62 and the lifting frame 50. The running rollers 62 are located in the guide rails 53 of the elevating frame frame 50, respectively, and are capable of sliding the material supply frame 61 in the horizontal direction with respect to the elevating frame frame 50 by appropriately rolling. . The material supply cylinder actuator 63 is
A position where the front end of the feeding frame 61 is retracted from the upper region of the mounting table 210 when the retracting operation is performed (the position indicated by a solid line in FIG. 3). When the extension operation is performed, the material passes through the inside of the main frame 10 and the front end of the material supply frame 61 is placed on the mounting table 21.
It has a function of projecting to a position reaching the front end of 0 (a position indicated by a two-dot chain line in FIG. 3 and hereinafter referred to as a forward position).

The feeder frame 61 has a hopper 6
4. A supply frame 65 and a belt conveyor 66 are provided.
The hopper 64 stores the hardened concrete material 100 to be supplied to the mold 1 (for example, a slump value of zero), and protrudes upward from the upper rear end of the material supply frame 61. . The material supply frame 65 is a frame-like member whose upper end and lower end are both open, and protrudes downward from the lower front end of the material supply frame 61. This feed frame 6
5 is configured such that the width in the left-right direction is substantially the same as the form 1 to which the concrete material 100 is supplied, and the length in the front-rear direction is smaller than the form 1. The material supply frame 65 is provided with a guide roller 651 and a level sensor 652. The guide rollers 651 are provided so as to be rotatable around a horizontal axis extending in the left-right direction on both sides of the feeding frame 65, and each lower peripheral surface is positioned above the lower surface of the feeding frame 65. I have. The level sensor 652 detects the presence or absence of the concrete material 100 through the moisture contained in the concrete material 100, and is disposed at a predetermined height position inside the supply frame 65. When the feeder frame 61 is at the above-described retracted position, the feeder frame 65 has a lower end opening closed by a closing plate 55 provided on the middle frame 54, and further, each guide roller 651 is connected to a guide rail of the middle frame 54. 56. The belt conveyor 66 includes a plurality of conveyor rolls 66 provided laterally on the feeding frame 61.
1 and an endless conveyor belt 662 stretched between the conveyor rolls 661. The conveyor belt 662 is provided in a region from the lower area of the hopper 64 to the upper end of the supply frame 65. Reference numeral 663 in FIG. 3 denotes a conveyor cover that covers the upper part of the belt conveyor 66.

The pallet supply device 70 supplies a pallet P from the rear end of the lifting frame 50 to the mold 1 placed on the mounting table 210, as shown in FIGS. 3 and 5. The transport body 71 is provided on the middle frame 54 of the lifting frame 50. The transport body 71 reciprocates along a direction in which the middle frame 54 extends through a transport roller 541 provided on the middle frame 54, and a locking claw 72 for locking the pallet P at four corners thereof. It has. Reference numeral 80 in the drawing denotes a pallet returning device that returns the pallet P from the pallet receiving table 40 of the main frame 10 to the rear end of the lifting frame 50.

Further, the above-mentioned manufacturing equipment includes FIGS.
As shown in FIG. 5, a supply auxiliary frame 90 is provided at a position below the press frame 310 in the main frame 10 described above. Supply auxiliary frame 9
Reference numeral 0 denotes a movable frame supported by the guide rods 11 of the main frame 10 in the same manner as the press frame 310. The movable frame 0 is vertically moved by the operation of the supply auxiliary cylinder actuator 12 interposed between the main frame 10 and the main frame 10. It is possible to move to.

A supply auxiliary plate 91 is detachably attached to the supply auxiliary frame 90. As shown in FIGS. 1 and 4, the supply auxiliary plate 91 is larger than the cross-sectional area of the form 1 to which the concrete material 100 is supplied, and has a predetermined plate thickness, specifically, the press plate 3.
21 is a flat plate-shaped member having a thickness corresponding to the amount of embossing by 21. The supply auxiliary plate 91 has a supply hole 911 at the center thereof and extension guide rails 912 on both sides thereof. Feed hole 91
1 is a through hole having the same shape as the upper surface opening 1a of the mold 1 as shown in FIG. The extension guide rail 912 is
A rail member having the same width and the same height as the guide rail 56 of the above-described middle frame 54, and is attached to the upper surface 91 a of the supply auxiliary plate 91.

When the secondary concrete product 100 'is manufactured by the manufacturing equipment configured as described above, first, the press frame 310 and the supply auxiliary frame 9 are manufactured.
1 is moved upward, and as shown in FIG. 1A, the form frame 1 is held on the mounting table 210 in a state where the material supply frame 61 is arranged at the above-mentioned rear end position. At this time, the feeding cylinder actuator 63 is retracted and the feeding frame 61 is at the above-described retracted position, and the lower end opening of the feeding frame 65 is closed by the closing plate 55.

From this state, only the supply auxiliary frame 90 is moved downward, and as shown in FIG. 1B, the supply auxiliary plate 91 is placed on the upper surface 1b of the mold 1 and formed on the supply auxiliary plate 91. The supplied material holes 911 are aligned with the openings 1a of the mold 1. In this case, the supply auxiliary plate 9
If a positioning member is previously attached to the lower surface of 1, the positioning work of both will be easy and reliable.

Next, the lifting / lowering cylinder actuator 5
1 is appropriately operated, and the height of the lifting frame 50 is adjusted so that the upper surface of the closing plate 55 provided on the middle frame 54 and the upper surface 91a of the supply auxiliary plate 91 match.

When a start switch (not shown) is turned on in this state, the belt conveyor 66 of the material supply device 60 is driven, and the hardened concrete material 10 stored in the hopper 64 is turned on.
0 is sequentially supplied to the material supply frame 65. The driving of the belt conveyor 66 is continued until the detection signal from the level sensor 652 is turned on, and a predetermined amount of the concrete material 100 set in advance is supplied to the supply frame 65.

A predetermined amount of concrete material 10 is
0 is supplied and the driving of the belt conveyor 66 is stopped, then the feeding cylinder actuator 63 starts an extension operation, and as shown in FIG. The material frame 65 moves forward on the supply auxiliary plate 91. In this case, the guide rollers 651 of the supply frame 65 run on the extension guide rails 912 of the supply auxiliary plate 91, and the guide rollers 651 and the extension guide rails 912 serve as guides and are always at the lower end of the supply frame 65. Supply auxiliary plate 91
Is moved in a state of being in sliding contact with the upper surface 91a.

Thereafter, when the supply frame 65 reaches the supply hole 911 of the supply auxiliary plate 91, the concrete material 100 supplied to the supply frame 65 is supplied to the supply hole 911.
Through the inside of the mold 1 to a position on the rear end side (right side in FIG. 1).

Here, the concrete material 10 of the supply frame 65 is used.
When 0 becomes empty, the detection signal from the level sensor 652 is turned off, the extension operation of the supply cylinder actuator 63 is stopped, and the belt conveyor 66 resumes driving. 65 will be replenished with new concrete material 100. In this case, since the lower end of the material supply frame 65 is closed by the concrete material 100 supplied to the form 1, the new concrete material 100 supplied from the belt conveyor 66 to the material supply frame 65 is directly molded. It is not supplied inside the frame 1. Therefore, there is no fear that the separation of the components of the concrete material 100 is promoted, for example, the coarse aggregate is diffused around the inside of the mold 1 while the fine aggregate is deposited at the center.

A predetermined amount of concrete material 10 is
When 0 is supplied, the detection signal from the level sensor 652 is turned on again, the driving of the belt conveyor 66 is stopped, and the extension operation of the feeding cylinder actuator 63 is restarted. As a result, the supply frame 65 moves toward the front of the form 1 (to the left in FIG. 1), and the concrete material 100 supplied to the supply frame 65 is supplied at a position on the near side of the form 1. The material is dropped and supplied into the mold 1 at a stretch through the material holes 911.

Hereinafter, the material supply cylinder actuator 63
By repeating the above-described operation by the belt conveyor 66 and the belt conveyor 66, the concrete material 100 is supplied to the entire area inside the formwork 1 as shown in FIG. When supplying the concrete material 100 to the form 1, it is preferable to drive the vibration means 240 of the mounting table 210 to apply vibration to the form 1 via the mounting table 210.

When the supply of the concrete material 100 to the whole area of the inside of the mold 1 is completed, the feeding cylinder actuator 63 is retracted while the driving of the belt conveyor 66 is stopped, so that the feeding frame 61 is moved to the rear end. Return to position. As a result, the supply frame 65 moves back on the upper surface 91 a of the supply auxiliary plate 91, and the lower end opening is closed by the closing plate 55 of the middle frame 54.

During this time, when the feeding frame 65 moves back, the rear end portion slides on the upper surface 91a of the supply auxiliary plate 91, and the upper surface 100a of the concrete material 100 supplied to the mold 1 is worn away. The upper surface 91a of the supply auxiliary plate 91 is matched with the upper surface 91a. In other words, the upper surface 100a of the concrete material 100 supplied to the form 1 has an upper surface 1b of the form 1 by the thickness of the supply auxiliary plate 91.
At the position beyond the point.

Next, as shown in FIG. 2A, the press frame 310 is moved downward from the above-described state, and the concrete material 100 in the mold 1 is pressed by the press plate 321 to be compacted. Here, according to the manufacturing equipment, as described above, the concrete material 100 supplied to the mold 1 is reduced by the thickness of the
As shown in FIG. 2B, the upper surface 100a of the concrete material 100 is brought into contact with the upper surface 1b of the formwork 1 as shown in FIG.
Will match. In addition, when embossing is performed by the press plate 321, it is preferable to apply vibration to the press plate 321 by driving the vibrating means of the plate holder 320.

When the embossing by the press plate 321 is completed,
As shown in FIG. 2C, the press frame 310 and the supply auxiliary frame 90 move upward, respectively, and the supply auxiliary plate 91 is removed from the upper surface 1 b of the mold 1.

Next, as shown in FIG. 2D, the lifting cylinder actuator 51 is appropriately operated, and the height of the lifting frame 50 is adjusted so that the carrier 71 of the pallet supply device 70 is higher than the mold 1. The pallet P is placed on the upper surface 1b of the mold 1 by adjusting the height and moving the carrier 71 from this state. The pallet P applied in this case may be a general-purpose pallet having a simple rectangular plate shape.

Thereafter, the clampers 231 are swung inwardly toward each other, so that the
Is clamped to the mounting table 210, and the mounting table 21 is
By inverting 0 by 180 °, the mold 1 is turned upside down together with the pallet P as shown in FIG. Furthermore, if the pallet support 40 is moved upward to bring the upper surface into contact with the pallet P and the clamped state by the clamper 231 is released, and then the pallet support 40 is moved downward, as shown in FIG. In addition, the concrete material 100 in the mold 1 can be immediately removed from the pallet P as the concrete secondary product 100 '.

Here, according to this manufacturing equipment, as described above, the upper surface 100a of the concrete material 100 is in a state of being in agreement with the upper surface 1b of the mold 1 as a result of the embossing by the press plate 321. Therefore, the concrete secondary product 100 'released from the pallet P has the same dimensions as the form 1 and has extremely high dimensional accuracy. Moreover,
The upper surface 100a of the concrete material 100 is the upper surface 1 of the formwork 1.
When the mounting table 210 is inverted from a state that matches the condition b, the concrete material 100 of the form 1 does not fall on the general-purpose pallet P.
Therefore, there is no possibility that the secondary concrete product 100 'released from the pallet P will be cracked or damaged.

The concrete secondary product 100 'released from the pallet P is transported together with the pallet P via the pallet returning device 80 toward the rear end of the elevating frame frame 50. Will be cured. In the manufacturing equipment, the mounting table 210 is
After turning over by 0 °, the next concrete secondary product 100 ′
The above-mentioned operation is repeatedly performed in order to manufacture.

As described above, according to the manufacturing equipment, the form 1
Since the concrete material 100 is supplied to the mold 1 with the supply auxiliary plate 91 placed on the upper surface 1b of the mold 1, the pressing by the press plate 321 results in the upper surface 1 of the mold 1.
b and the upper surface 100a of the concrete material 100 are matched with each other, so that it is possible to manufacture a high quality, high dimensional accuracy concrete secondary product 100 'without cracking or damage. Moreover, although the supply auxiliary plate 91 is dedicated for each mold 1, that is, dedicated for each type of product, it is sufficient to prepare only one for each product, so that the application cost does not increase significantly.

In the above-described embodiment, the supply auxiliary plate 91 is directly mounted on the upper surface 1b of the mold 1. However, for example, a shim plate is detachably provided on the lower surface of the supply auxiliary plate 91. If the supply auxiliary plate 91 is placed on the upper surface 1b of the mold 1 via this shim plate, the position of the upper surface of the concrete material 100 supplied to the mold 1 can be easily changed. Become. In addition, the supply auxiliary plate 91 is provided with a material supply hole 911 that matches the upper surface opening 1a of the mold 1. The material supply hole 911 is formed in the upper surface opening 1a of the mold 1.
Larger than the outer shape of the formwork 1. Furthermore, although a plate-shaped thing is applied as a supply auxiliary member, any shape may be used as long as the concrete material 100 can be supplied to a position beyond the upper surface 1b of the formwork 1. In addition, the supply auxiliary member is attached to and detached from the mold 1 by moving the supply auxiliary member in the vertical direction.
The attachment / detachment direction may be any direction, such as mounting on the upper surface from the side. In this case, it is not always necessary to use an actuator, and the worker may attach and detach the supply auxiliary plate 91 to and from the mold 1 as appropriate.

In the above-described embodiment, the supply frame 6
Since the material supply device 60 using the belt conveyor 5 and the belt conveyor 66 is applied, it is possible to prevent a situation in which the component separation of the concrete material 100 is promoted in the form 1; The present invention is not necessarily limited to this, and a feeding device including only the belt conveyor 66 or a feeding device including only the feeding frame 65 may be applied.

[0050]

As described above, according to the present invention,
Since the concrete material is supplied to the formwork with the supply auxiliary member placed on the upper surface of the formwork and the upper surface of the formwork matches the upper surface of the concrete material as a result of embossing, It is possible to produce a concrete secondary product with high quality and dimensional accuracy without causing a significant increase in cost.

[Brief description of the drawings]

FIGS. 1 (a) to 1 (e) sequentially show the steps of manufacturing a concrete secondary product by the manufacturing equipment of the present invention, and are conceptual diagrams showing steps up to material supply.

FIGS. 2 (a) to 2 (f) sequentially show the steps of manufacturing a concrete secondary product using the manufacturing equipment of the present invention, and are conceptual diagrams showing steps from supply to removal of a mold.

FIG. 3 is a side view showing one embodiment of the manufacturing equipment according to the present invention.

FIG. 4 is a front view of the manufacturing facility shown in FIG.

FIG. 5 is a front half sectional view of the manufacturing facility shown in FIG. 3;

FIG. 6 is a plan view of the manufacturing facility shown in FIG.

FIG. 7 is a detailed sectional side view of a material supply apparatus applied to the manufacturing facility shown in FIG.

FIG. 8 is a front half sectional view of the material supply device shown in FIG. 7;

9 is a sectional view taken along line IX-IX in FIG.

10 (a) to 10 (g) are conceptual diagrams sequentially showing the steps of manufacturing a secondary concrete product using conventional manufacturing equipment.

FIG. 11 is an enlarged view of FIG.

12 (a) is an enlarged view of FIG. 10 (e), and FIG. 12 (b) is an enlarged view of FIG. 10 (f).

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Form frame 1a Upper surface opening of form frame 1b Upper surface of form frame 10 Main frame frame 11 Guide rod 12 Cylinder actuator for supply assistance 20 Reversing device 210 Mounting table 211 Mounting plate portion 212 Support side plate portion 213 Shaft member 220 Driven gear 221 Reversing Electric motor 222 Pinion 230 Clamping means 231 Clamp 232 Clamp cylinder actuator 240 Vibration means 30 Press device 310 Press frame 311 Press cylinder actuator 320 Plate holder 321 Press plate 322 Rotating shaft 330 Rotating cylinder actuator 40 Pallet pedestal 50 Lifting frame Frame 51 Cylinder actuator for lifting / lowering 52 Upper frame 53 Guide rail 54 Middle frame 55 Closing plate 541 Transport roller 56 Guide rail 0 Feeder 61 Feeder frame 62 Running roller 63 Feeder cylinder actuator 64 Hopper 65 Feeder frame 651 Guide roller 652 Level sensor 66 Belt conveyor 661 Conveyor roll 662 Conveyor belt 663 Conveyor cover 70 Pallet feeder 71 Transporter 72 Engagement claw 80 Pallet return device 90 Supply auxiliary frame 91 Supply auxiliary plate 91a Upper surface of supply auxiliary plate 911 Feeding hole 912 Extension guide rail 100 Concrete material 100a Upper surface of concrete material 100 'Concrete secondary product P pallet

Claims (3)

[Claims] 1. A method of manufacturing a concrete secondary product in which a concrete material supplied to a mold is embossed, and then the mold is inverted to immediately release the secondary concrete product. The concrete material is supplied to the formwork in a state where the supply auxiliary member is placed on the upper surface, and as a result of embossing, the upper surface of the formwork matches the upper surface of the concrete material. Production method. 2. A concrete secondary product manufacturing facility in which a concrete material supplied to a mold is stamped, and then the mold is inverted to immediately remove the secondary concrete product. On the other hand, a concrete secondary product manufacturing facility, characterized in that a supply auxiliary member capable of supplying a concrete material beyond its upper surface is detachably provided on the formwork. 3. The concrete container according to claim 2, wherein the supply auxiliary member is a plate-shaped member mounted on an upper surface of a formwork and having a hole for feeding material at a portion corresponding to an opening of the formwork. Equipment for manufacturing the following products.