JP2001300915A - Apparatus for manufacturing concrete secondary product - Google Patents

Abstract

PROBLEM TO BE SOLVED: To manufacture a concrete secondary product of a high quality without bringing about staining of the circumstance. SOLUTION: A cover plate 11 is arranged by allowing the cover plate 91 to fit to an outer peripheral part of a form 1 when the form is pressed by at least a pressing board 321.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facility for manufacturing a concrete secondary product by immediately pressing a concrete material supplied to a formwork and then releasing the material.

[0002]

2. Description of the Related Art As a prior art of this kind, the present applicant has already provided the one disclosed in Japanese Patent Publication No. 1-15361. That is, in this conventional technique, first, a mold is placed on a reversible shaking table, and from this state, a hardened concrete material is supplied into the mold. Next, the pressing device is driven to stamp the concrete material supplied to the formwork. Thereafter, the vibrating table is driven while the pallet is placed on the upper surface of the mold, and the mold is turned upside down together with the pallet. If the form is moved upward from this state, the concrete material filled in the form becomes a concrete secondary product having a desired shape and is immediately removed from the pallet.

In the above-mentioned prior art, a pressing device that not only moves up and down a press plate but also can reciprocate horizontally around a center support shaft is applied so that a concrete material is simultaneously rubbed off at the same time as embossing. . Therefore, as a result of the stamping by the press device, the upper surface of the mold and the upper surface of the supplied concrete material completely coincide with each other, and it is possible to manufacture a concrete secondary product having high dimensional accuracy according to the mold. become. Moreover, since there is no gap between the concrete material and the pallet when the mold is turned upside down, it is possible to prevent the concrete secondary product from being cracked or damaged.

[0004]

However, in the above-mentioned prior art, the surplus concrete material scraped off at the time of embossing spills and contaminates the periphery of the mold. In addition, the spilled concrete material is not cured, but is only appropriately disposed after being hardened without being reused. This is not preferable in terms of resource saving.
In particular, in the case of reversing the shaking table as described above, the concrete material once spilled on the shaking table falls on the floor with the reversal, and it is extremely difficult to reuse the concrete material.

[0005] In view of the above circumstances, an object of the present invention is to provide a manufacturing facility capable of manufacturing a high-quality concrete secondary product without causing contamination of the surroundings.

[0006]

SUMMARY OF THE INVENTION According to the present invention, in a facility for producing a secondary concrete product by immediately releasing a concrete material supplied to a formwork after pressing the same, at least at the time of pressing, A cover member extending outward from the outer peripheral portion of the mold is provided.

Further, according to the present invention, in 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 cover member extending outward from an outer peripheral portion of the mold at least at the time of embossing is provided so as to be detachable from the mold.

[0008] In these inventions, the cover member has a plate shape having a hole to be fitted to the outer periphery of the mold. In this case, it is preferable that the upper surface be located lower than the upper surface of the mold.

[0009]

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 presses the concrete material 100 supplied to the form 1 and includes 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.

In the lifting frame 50, a feeding device 6 is provided.
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 lifting 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 is for supplying a pallet P from the rear end of the lifting frame 50 to the mold 1 mounted 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, FIGS. 3 to 5
As shown in FIG. 5, a cover frame 90 is provided at a position below the press frame 310 in the main frame 10 described above. Cover frame 90
Is a movable frame supported on a guide rod 11 of the main frame 10, similarly to the press frame 310, and moves in the vertical direction by the operation of a cover cylinder actuator 12 interposed between the main frame 10 and the main frame 10. It is possible to

A cover plate 91 is detachably attached to the cover frame 90. As shown in FIGS. 1 and 4, the cover plate 91 is a plate-shaped member that is sufficiently larger than the cross-sectional area of the form 1 to which the concrete material 100 is supplied. The cover plate 91 is provided with a fitting hole 911 at the center thereof.
An extension guide rail 912 is provided on each side. The fitting hole 911 is, as shown in FIG. 1, a through hole formed to have a size that fits around the outer periphery of the mold 1. The extension guide rail 912 is a rail member having the same width and the same height as the above-described guide rail 56 of the middle frame 54, and is attached to the upper surface 91 a of the cover 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 cover frame 90 are manufactured.
Are respectively 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 cover frame 90 is moved downward, and as shown in FIG. 1B, the cover plate 91 is fitted to the outer periphery of the mold 1 through the fitting hole 911. The upper surface 91a is matched with the upper surface 1b of the mold 1.
In this case, if the positioning member is attached to the lower surface of the cover plate 91 in advance, the above-described operation becomes 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 cover plate 91 match.

When a start switch (not shown) is turned on from this state, the belt conveyor 66 of the feeding 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 cover plate 91. In this case, the supply frame 6
The fifth guide roller 651 travels on the extension guide rail 912 of the cover plate 91, and the guide roller 651 and the extension guide rail 912 serve as a guide so that the lower end of the material supply frame 65 is always placed on the upper surface 91 a of the cover plate 91. It will move in a state of sliding contact with.

Thereafter, the material supply frame 65 is moved to the opening 1a
Is reached, the concrete material 100 supplied to the material supply frame 65 is dropped and supplied at a stroke to a position on the rear end side (right side in FIG. 1) inside the formwork 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 near side (left side in FIG. 1) of the mold 1, and the concrete material 100 supplied to the supply frame 65 at the position on the near side of the mold 1 is moved to the mold. It is dropped and supplied into the frame 1 at a stretch.

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 entire area of the inside of the form 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 cover 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 91 a of the cover plate 91, and the upper surface 1 of the concrete material 100 supplied to the form 1 is moved.
00a substantially coincides with the upper surface 1b of the mold 1.

Next, as shown in FIG. 2A, the cover frame 90 is further lowered from the above-described state,
The upper surface 91a of the cover plate 91 is positioned lower than the upper surface of the mold 1, and from this state, the pressing frame 310 is moved downward, and the concrete material 100 in the mold 1 is moved.
Is pressed by a press plate 321 and is compacted. In this case, not only is the press plate 321 moved down, but also the pressurizing cylinder actuator 330 is appropriately operated to reciprocate the press plate 321 around the axis of the turning shaft 322.
As a result, the extra concrete material 100 supplied to the mold 1 is worn away by the reciprocating rotation of the press plate 321 and spills around the mold 1.

Here, according to the above-mentioned manufacturing equipment, the cover plate 91 is fitted around the mold 1 as described above. Therefore, the concrete material 100 that has spilled around the formwork 1 is placed on the upper surface 91 of the cover plate 91.
a so that there is no risk of soiling the surroundings. Moreover, the upper surface 91 of the cover plate 91 is
Since the extension guide rail 912 provided on the cover plate 91 does not interfere with the reciprocating press plate 321 because it is located below the upper surface 1b of the cover plate 91. 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 pressing by the press plate 321 is completed,
As shown in FIG. 2B, the press frame 310 and the cover frame 90 move upward, respectively, and the cover plate 91 retreats to the upper region of the mold 1 while the spilled concrete material 100 is placed on the upper surface thereof. Will be.

Next, as shown in FIG. 2 (c), the elevation cylinder actuator 51 is appropriately operated, and the height of the elevation 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. Further, if the pallet support 40 is moved upward to bring its upper surface into contact with the pallet P and the clamped state by the clamper 231 is released, 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 '.

The concrete secondary product 100 'released from the pallet P is conveyed together with the pallet P to the rear end of the lifting frame 50 via the pallet returning device 80, and then cured at a predetermined curing position. Will be done.
In the manufacturing equipment, after the mounting table 210 is inverted by 180 °, the above operation is repeatedly performed to manufacture the next concrete secondary product 100 ′.

According to the above-mentioned manufacturing equipment, in the step of manufacturing the next concrete secondary product 100 ′, the cover frame 90 is moved down, and the cover plate 91 is moved through the fitting hole 911 to form the mold 1. When the upper surface 91a is fitted to the upper surface 1b of the mold 1 in a state where the mold 1 is fitted to the outer periphery of the mold 1, as shown in FIG.
Concrete material 100 that has spilled around the opening 1a
Will be located around. Therefore, if this is blown into the inside of the formwork 1, the next concrete secondary product 100
Can be easily reused as a material for producing Moreover, the concrete material 100 that has spilled on the upper surface of the cover plate 91 at a position deeper than the formwork 1 (to the right in the figure) is automatically moved by the forward movement of the material supply frame 65 without the need for a wiping operation. Is supplied to the inside of the mold 1. For this reason, the above-described wiping-off work may be performed only on the front side of the form 1 and on both the left and right sides.

As described above, according to the above-mentioned manufacturing equipment, the cover plate 91 is arranged around the mold 1 when embossing with the press plate 321. The spilled concrete material 100 can be received by the cover plate 91, and the surroundings can be prevented from being soiled.

Moreover, the concrete material 100 that has spilled onto the cover plate 91 can be easily supplied to the formwork 1 when manufacturing the next concrete secondary product 100 ', so that no complicated work is required. It can be reused.

Further, this cover plate 91 is
Although it is dedicated for each product, 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 cover plate 91 is directly fitted on the outer periphery of the mold 1. However, the concrete material 100 that spills off from the mold 1 is used.
If they can be collected, they need not necessarily be fitted. Further, although the cover plate 91 having a flat plate shape is illustrated, the present invention is not limited to this. For example, if a peripheral wall is provided on the outer periphery of the cover plate 91 of the embodiment, the surrounding contamination can be more reliably prevented. Can be prevented.

In the above-described embodiment, the material 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.

Further, the mold 1
Although the example in which the concrete material 100 is released from the mold is illustrated, it is not always necessary that the manufacturing equipment includes the reversing device 20. In this case, it is not necessary to dispose the cover plate 91 detachably from the mold 1, and the cover plate 91 may be directly attached to the mold 1. In addition, the press plate 321 is reciprocally swung during the embossing, but the present invention is also effective when the press plate is simply moved downward to perform the embossing.

[0047]

As described above, according to the present invention,
Since a cover member extending outward from the outer peripheral portion of the formwork is provided at the time of embossing, the concrete material that spills from the formwork at the time of embossing is received by the cover member. And the surroundings can be prevented from being soiled.

In addition, the cover member is provided with a hole to be fitted on the outer periphery of the mold so that the upper surface of the cover member is aligned with the upper surface of the mold when feeding material, and the upper surface is pressed when embossing. If it is located below the upper surface of the formwork, it is possible to easily reuse the concrete material that has fallen off during the embossing.

[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.

[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 cover 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 Clamper 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 6 Feeding device 61 Feeding frame 62 Running roller 63 Feeding cylinder actuator 64 Hopper 65 Feeding 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 Stopper 80 Pallet return device 90 Cover frame 91 Cover plate 91a Upper surface of cover plate 911 Fitting 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 facility for manufacturing a secondary concrete product by immediately releasing a concrete material supplied to a mold after the mold is pressed, wherein at least at the time of the stamping, the concrete material is outwardly moved from an outer peripheral portion of the mold. A production facility for a secondary concrete product, comprising a cover member extending toward the surface. 2. A concrete secondary product manufacturing facility in which a concrete material supplied to a mold is embossed and then the mold is turned over to immediately remove the secondary concrete product. A concrete secondary product manufacturing facility, wherein a cover member extending outward from an outer peripheral portion of the form is provided detachably with respect to the form. 3. The cover member has a plate shape having a hole fitted to the outer periphery of the formwork, and has an upper surface coinciding with an upper surface of the formwork at the time of feeding, and has The facility for manufacturing a secondary concrete product according to claim 1 or 2, wherein the upper surface is located lower than the upper surface of the formwork.