JPH1015933A - Form for manufacture of covered conduit block - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a frame for manufacturing a covered conduit block for a water-permeable pavement by which labor saving and time shortening can be accomplished and which is useful for an automated and stationary manufacturing line. SOLUTION: A front side board 20 is urged in the standing direction by means of a spring for decreasing load and a core is freely inserted in the front and back, left and right and up and down directions and a rear side board 30 on which a supporting arm is projected is rotatably supported movably forward and backward and can be inclined backward to provide both side boards linkable and an inserting hole to which a water discharging hole forming pin 150 is enclosed and can be projected is provided in the neighborhood of the lower part of a side plate 41 of one side and the first stretching/contracting mechanism 100 fixed with the water discharging hole forming pin 150 for changing rotation of a screw lever into stretching/contracting movement in the orthogonal direction is freely rockably supported and the water discharging hole forming pin 150 is provided so as to be projected or retreated from the inserting hole. In addition, an inserting hole is provided at a specified position of the bottom face part 50 and the second stretching/contracting mechanism 200 fixed with the water discharging hole forming pin 250 for changing rotation of the screw lever into stretching/contracting movement in the up and down direction is supported and the water discharging hole forming pin 250 is provided so as to be projected or retreated from the inserting hold.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION In recent years, there has been a demand for low-cost culvert blocks in which water drainage holes, which are frequently used in permeable pavement sections, are also formed on the upper surface and the upper side surface of the culvert block. Also, the present invention relates to a mold for manufacturing a culvert block that can save labor and reduce time by a simple operation on an automated manufacturing line or a stationary (stationary) type manufacturing line of a culvert block having a drain hole formed on an upper side surface.

[0002]

2. Description of the Related Art Referring to FIG. 7, a culvert block BP provided with a road surface drainage hole on an upper surface and an upper side surface according to the present invention will be described with reference to FIG.

FIG. 7 (a) shows a water-permeable pavement useful for improving road visibility during rainfall, reducing irregular reflection due to poor road drainage, and preventing hydrobraking during flooding, etc., in recent years for traffic safety on paved roads. Culvert block BP for (road)
And a drain hole H2 for introducing surface water on the road surface.
Is formed on the upper surface of the culvert block, and a drain hole H1 is also provided near the upper part of the side to allow the permeated water of the permeable pavement to flow into the waterway.
Is provided. Further, the surface of the drain hole on the side surface (and, if necessary, the drain hole on the upper surface) is attached to a filter F made of a punched metal or a synthetic resin as shown in the figure, and is buried in a road shoulder for use.

[0004] Fig. 7 (b) shows various types of culvert blocks for permeable pavements having different top shapes depending on use conditions, which can be easily produced by changing the bottom shape and size of the present invention. In addition, in the manufacturing form for a culvert block having a horizontal upper surface indicated by a two-dot chain line F, even if one side plate is fixed, the mold can be easily removed (described later).

FIG. 8 is an explanatory view of the prior art, and FIG.
In the conventional mold K1 shown in FIG. 5, a drain hole forming type hp made of hard rubber or metal having a sufficient taper on the bottom surface is provided.
And the core Na whose cross-sectional dimensions have been reduced
After removing the product from the mold frame 1 with a forklift or the like, open the front and rear end plates T1 and T2 and both side plates S, and take a complicated and careful process of vertically releasing the product to the upper part. Also, at the time of assembling the formwork at the time of casting, the core which was put in after the wire mesh was placed on the fully opened formwork and the both side plates S and the front and rear end plates T1, T2 were closed and then brought in (reduced).
Na was inserted from the opening k on the front end plate T1 side and then widened and cast. However, the operation (handling) is complicated and requires a large number of workers, and it is difficult to automate the demolding (removing the product) and placing (including assembling the formwork) steps of the formwork. Was requested.

FIG. 8 (b) is a view showing a case in which a drain hole is provided on the side surface of the product B in the mold K1 of the prior art, and the side plate S comes out at a predetermined position (sr on the rotation locus when the side plate is opened). What fixed the formation pin hp2 of the drainage hole and the suspension hole provided with the gradient was used conventionally, but the rotation locus sr of the side plate S was used.
Is limited to those having a special draft angle (angle) and cross-sectional shape (illustrated) due to interference with the water, and a drainage hole forming pin hp3 provided at the position shown by the dashed line is set by screwing to the side plate S before driving. Then, before removing the mold, fix the bolt bo from the outside of the side plate.
After removing the product, the side plate was opened and the product was demolded, and a complicated operation of removing the forming pin hp3 from the product was required.

[0007] As a background art, a scalable core and a mold in which a core is loosely inserted into a core supporting beam protruding from a rear end plate and supported are provided with a first utility model registration (not shown) of the present applicant.
There is a mold for making culvert block of No. 92358.

[0008]

SUMMARY OF THE INVENTION An object of the present invention is to provide a mold for manufacturing a culvert block for permeable pavement, which eliminates the drawbacks of the prior art and saves labor and time.

[0008]

In order to solve the above-mentioned problems, according to the present invention, in order to form a drain hole at an optimum position of a culvert block BP for permeable pavement, one side pivotally attached to the side surface of the underframe 10 is formed. In the vicinity of the lower portion of the side plate 41, a predetermined number of insertion holes 45 that can be protruded by sealing with a drainage hole forming pin are provided and provided,
Labor saving and simplification of operation under automated production line or stationary production line of poor equipment (simple rotation operation is possible with torque wrench such as automatic machine of production line or hand-held electric or pneumatic tool) In order to measure, the first telescopic mechanism 100 which converts the rotational movement of the screw 110 into a telescopic movement orthogonal to the screw via the link 130 is swingably movable on the underframe 10.
The drainage hole forming pin 150 is fixed to the output end 120 of the telescopic mechanism 100, and the output end 120 is always slid on its own weight on the guide 15 inclined on the underframe 10. When the one side plate 41 is raised, the leading end position of the drainage hole forming pin 150 is guided to the insertion hole 45 so as to be inserted therethrough.

According to a second aspect of the present invention, there is provided a mold for manufacturing a culvert block according to the first aspect, in which the weight load when the top plate is lowered between the front rear plate 20 and the underframe 10 is reduced (it is easily lowered by human power). The load reducing spring 22 for preventing the injury and damage to each part of the formwork due to an accidental overturning is urged in the rising direction of the front end plate 20, thereby causing the front end plate 20 to fall. The vertical load of the front end plate 20 is offset by the elastic force so as to reduce the burden of opening and closing by a manual operation in the form opening / closing machine or the stationary line.

According to a third aspect of the present invention, a drain hole is also formed on the upper surface of the culvert block, and the drainage hole is spread on the underframe 10 on the mold for manufacturing the culvert block according to any one of the first and second aspects. The drain hole forming pin 250 is provided at a predetermined position on the bottom surface 50.
In order to simplify the operation and save labor under an automated production line or a stationary production line, a production line or a hand-held electric or In order to enable a simple rotation operation using a simple torque wrench such as a pneumatic tool, the second telescopic mechanism 200 that converts the rotation of the screw 210 into a vertical movement orthogonal to the screw via a link 230 is used as a frame. Supported on 10,
The output end 220 of the second telescopic mechanism 200 to which the drainage hole forming pin 250 is fixed is slidably inserted into the guide 16.

According to a fourth aspect of the present invention, the core N is connected to the rear end plate 3.
The present invention is applied to a mold frame supported by being freely inserted into a support arm 90 projecting from 0. In order to further simplify the mold structure and reduce the cost, one side plate 41 is fixedly provided on the underframe 10. .

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A front wedge plate 20 pivotally attached to an underframe 10.
A spring 22 for lightening the load is interposed between the front frame 10 and the front frame 20 so as to urge the front plate 20 in the upright direction. A core N provided to be freely expandable and contractable via the mounting base 34 supported.
The rear arm plate 30 is provided with a supporting arm 90 projecting and supporting the front and rear, left and right, and upward directions so as to be capable of moving forward and backward and tilting rearward, and the interlocking arm 25 and the rear mounting base 3 are provided.
In order to form a drain hole near the upper side surface, a plurality of drain holes are provided at predetermined positions near a lower portion of one side plate 41 pivotally attached to the side surface of the underframe 10. An insertion hole 45 in which the forming pin 150 is sealed and protrudable is formed, and the rotational movement of the screw 110 is connected to the output end 120 to which the plurality of drain hole forming pins 150 are fixed via the link 130 in a direction perpendicular to the screw. First telescopic mechanism 10 for converting to telescopic movement
0 is swingably supported on the underframe 10, and slides on a guide 15 provided on the underframe 10 to form a drainage hole forming pin 150.
Are provided so as to protrude or retract from the insertion hole 45, while a plurality of drainage hole forming pins 2 are provided at predetermined positions on a bottom surface 50 spread on the underframe 10 to form a drainage hole on the upper surface of the product.
An insertion hole 55 that can be sealed and protruded is formed in the screw rod 2.
A second telescopic mechanism 200 that supports the output end 220 to which the plurality of drainage hole forming pins 250 is fixed via a link 230 and converts the output end 220 into a vertical motion orthogonal to the screw rod; The drainage hole forming pin 250 is inserted into the insertion hole 55.
It is provided so as to protrude or retract from it.

Further, since the core N loosely inserted into the support arm at the time of removal from the mold moves back and forth, left and right, and upward, the culvert block shown by a two-dot chain line F in FIG. Is provided in such a manner that one side plate 41 is fixed in a vertical position so that the operability can be improved and the cost can be reduced by simplifying the formwork structure without deteriorating the function.

[0014]

1 to 8 are views showing an embodiment according to claims 1 to 4 of the present invention. FIG. 1 is a partially cutaway front view showing a schematic structure of the present invention, and FIG. FIG. 3 is a partially cutaway right side view showing a schematic configuration of the present invention, FIG. 3 is an explanatory view showing the structure of the front and rear endplates of the present invention and the interlocking between both endplates, and FIG. FIG. 5 is an explanatory view of a second telescopic mechanism of the present invention, FIG. 6 is a partially cutaway front view of a mold according to claim 4 of the present invention, and FIG. FIG. 8 is a perspective view of a pavement culvert block, and FIG. 8 is an explanatory view of a conventional technique.

First, referring to FIGS. 1 to 3, a schematic configuration of the present invention and an interlocking mechanism of the front and rear end plates will be described. FIG. 1 shows a culvert block for permeable pavement (hereinafter referred to as product B1).
Is a partially cutaway front view of a manufacturing formwork (hereinafter, referred to as a formwork KA) of a manufacturing form (hereinafter referred to as a formwork KA). FIG. 5) is a diagram illustrating a drainage hole forming pin 150 for forming a drainage hole near the upper part of the side surface, a first telescopic mechanism 100, etc. Etc. are indicated by chain lines.

FIG. 2 is a right side view of the formwork KA, which is partially cut away. The left and right side plates 40, 41 and the front end plate 20,
The rear strut 30 is closed, the first telescopic mechanism 100, the second telescopic mechanism 200, and the like are extended and the form KA is tightened to show the same driving state as in the previous figure. In addition, the code | symbol 80 in a figure is:
Reference numeral 90 denotes a support arm for loosely inserting and supporting the expandable / reducible core N;
Is a support part of the first telescopic mechanism 100, and u is an engagement part with the form opening and closing machine of the automated manufacturing line.

FIG. 3 is an explanatory view showing the structure of the front and rear endplates of the present invention and the interlocking operation between the two endplates, and the other parts are omitted. FIG.
(A) shows the time of driving when the front and rear end plates 20, 30 are closed, and the interlocking arm 2 is provided below the front end plate 20 pivotally attached to the underframe 10.
5 is protruded, and the rear end plate 30 is pivoted on a mounting base 34 which is supported by wheels 32 on a guide rail 33 at the rear of the underframe 10.
An interlocking rod 26 which is pivotally mounted so as to be able to move back and forth and can be tilted only rearward, and has a turnbuckle ta for adjustment between the interlocking arm 25 of the front end plate 20 and the pivot 36 of the rear mounting base 34. The rear end plate 30 is provided with a support arm 90 for supporting the core N provided to be freely expandable and contractable with play in front, rear, left and right, and upward directions. With the configuration as described above, if the front part 20 is opened at the time of removal from the mold, FIG.
As shown in the figure, even if the core N is forcibly lifted slightly upward during the removal from the mold, the rear part 30 is tilted backward as shown by the two-dot chain line, so that the corresponding part is damaged. Is prevented, and the product can be easily removed forward without removing the reduced core. Note that the core N
(Before reduction) stops at that position due to the contact resistance, and the support arm 90 is retracted together with the rear end plate 30 to form the rear end plate 3.
A gap G is formed between 0 and the core, which facilitates cleaning of the mold for the next casting.

FIG. 4 shows a drain hole H1 near the upper side of the product.
FIG. 4 is an explanatory view of a telescopic mechanism 100 that expands and contracts a water drainage hole forming pin 150 that forms a water drainage hole forming pin.
A plurality of threaded portions each having a set of 0R are arranged in series, and nut members LN and RN provided with link connecting portions on the left and right at the threaded portions 110L and 110R are threaded. Are axially attached to each other, and the other end of the link is assembled, and is axially attached to a square rod-shaped connecting member 120 which is an output end of the first telescopic mechanism.
And the screw 110 is swingably supported on the support portion 11, and the nut members LN and RN are rotated by the rotation of the screw 110.
The connection member 120 slides on the sliding surface 15 s of the guide 15 provided on the underframe 10 via the link 130 when the distance approaches (at the time of left rotation) or separates (at the time of right rotation). 150 is provided so as to protrude from the insertion hole 45 until it comes into contact with the core outer cover or to be retractable below the bottom surface. Note that the two-dot chain line in the figure shows a state in which the drainage hole forming pin 150 is pulled out from the through hole of the side plate (not shown) and is removed.

FIG. 5 shows a second expansion / contraction mechanism 20 for expanding and contracting a drainage hole forming pin 250 for forming a drainage hole H2 on the upper surface of a product.
0, a screw rod 21 provided with a rotating head 201 at one end.
At 0, the left screw thread 210L and the right screw thread 210R
Are arranged in series, and nut members LN, RN having link connecting portions on the left and right side surfaces are screwed to the respective threaded portions 210L and 210R, and the link is connected to the link connecting portion. 230 is attached to one end and the other end of the link is assembled.
The drainage hole forming pin 2 is attached to the side surface of the square rod-shaped connecting member 220 which is the output end of the second telescopic mechanism, and is provided on the upper surface of the connecting member 220.
The screw member 210 is fixedly supported, and the screw 210 is swingably supported on the support portion 12.
The N members approach (at the time of left rotation) or separate (at the time of right rotation), and the connecting member 220 slides on the slide surface 16s of the guide 16 provided on the underframe 10 via the link 230 to form a drain hole. The pin 250 is provided so as to protrude from the insertion hole 55 to a predetermined position in contact with the outer core of the core N or to be retractable below the bottom surface.

The first telescopic mechanism 100 and the second telescopic mechanism
Since the expansion and contraction mechanism 200 is operated by a simple rotation operation with a low torque, even a hand-held electric / pneumatic tool (torque wrench) or the like in a stationary production line can be easily operated for several seconds to 10 seconds.
It can be expanded and contracted in seconds, saving labor and reducing time. Further, if the present invention is applied to an automated manufacturing line, further labor saving can be achieved.

FIG. 6 is a partially cutaway front view of the embodiment according to claim 4, and the form KB shown in FIG.
This is a formwork configured in the same manner as described above except that the right side plate 42 is fixed, and the front and rear end plates 20 and 30 and the movable left side plate 40
Is closed and the drainage hole forming pin 150 and the drainage hole formation pin 250 are closed.
Indicates the time of driving in contact with the core outer skin. In this embodiment, one side plate (right side plate) 42 is fixed to the underframe, and a drainage hole is formed near the lower portion of the right side plate 42. Therefore, a plurality of drainage hole forming pins 150 are sealed and protruded or formed. A retractable insertion hole 46 is drilled, the same telescopic mechanism 100 is provided to support the underframe 10, and an insertion hole 55 that forms a similar drainage hole is drilled on the bottom surface, and the same water as described above is formed. Hole forming pin 2
The extension mechanism 200 to which the screw 50 is screwed is supported on the underframe 10 in the same manner.

FIG. 6B shows a state in which the front end plate 20 and the movable left side plate 40 of the mold KB are opened, and the drainage hole forming pins 150,
Reference numeral 250 denotes a state in which the rear back plate 30 has been retracted and the core N has been reduced, and the core N has been reduced. The culvert block BB indicated by the two-dot chain line in the figure is sucked by the suction pad V such as a demolding machine and an overhead crane. If it is lifted a little while moving slightly to the left as indicated by the arrow up, it can be removed from the front in a short time. The position indicated by the two-dot chain line Nx is the core position before demolding.

In the mold KB having the above-described configuration, the expandable and contractible core supported by being loosely inserted into the rear end plate 30 without opening the right side plate 42 at the time of demolding, the direction in which the contact resistance is reduced at the time of demolding. (Because the core is freely inserted and supported so that it can move forward, backward, left and right, and upward), it moves naturally to formwork K
The mold can be easily removed forward with the core N left on B, so that the formwork can be simplified and the operation can be saved.

[0024]

The mold for manufacturing a culvert block according to the present invention can prevent the danger associated with the upset of the front sash when opening and closing the sash and reduce the weight burden. The rotation of the water drainage hole forming pin can be performed by appropriate rotation, and the casting (assembly) and demolding (removing the product) processes of the mold are completed within 3 minutes, respectively. If it is applied to an automated production line or a stationary production line for general-purpose concrete products that move intermittently, labor saving and time reduction of the production of culvert blocks for permeable pavement can be achieved, and high-quality culverts without edge breakage etc. Blocks can be provided at low cost, and there are great effects such as a drastic improvement in production efficiency as compared with the conventional technology. In addition, in the case where one side plate is fixed, the operability can be improved and the equipment investment can be reduced by simplifying the mold structure in addition to the above-mentioned effects.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view showing a schematic configuration of the present invention.

FIG. 2 is a partially cutaway right side view showing a schematic configuration of the present invention.

FIG. 3 is an explanatory view showing the configuration of the front and rear endplates of the present invention and the interlocking between both endplates.

FIG. 4 is an explanatory view of a first telescopic mechanism of the present invention.

FIG. 5 is an explanatory view of a second telescopic mechanism of the present invention.

FIG. 6 is a partially cutaway front view of the mold according to claim 4 of the present invention.

FIG. 7 is a perspective view of a culvert block for permeable pavement made by the present invention.

FIG. 8 is an explanatory diagram of a conventional technique.

[Explanation of symbols]

 BP─Culvert block for permeable pavement made according to the present invention KA 型 Former for culvert block manufacturing equipped with the present invention KB─Former for culvert block manufacturing according to claim 4 LN, RN─Left-hand screw and right-hand screw nut Member N Core 10 Base frame 15 Guide (of first telescopic mechanism) 16 Guide (of second telescopic mechanism) 20 Front front plate 22 Load reducing spring 30 Rear rear plate 34 Mounting base 40 Side plate 41 {one side plate 42} fixed one side plate 45 # insertion hole (provided on side plate) 50 # bottom part (of formwork) 55 # insertion hole (provided on bottom part) 90 # support arm 100 # first 1 Telescopic mechanism 101 {Rotating head 110} Screw rod 120} Connecting member (output end) 130} Link 150 {Water drain hole forming pin 200} Second telescopic mechanism 201 {Rotating head 210} Screw rod 220} Connecting member (output Edge) 2 0─ link 250─ water drainage hole forming pin

Claims (4)

[Claims] 1. A culvert block manufacturing form in which front and rear end plates and left and right side plates are provided on a base frame so as to be openable and closable, and an expandable and contractible core is loosely inserted into a support arm protruding from a rear end plate and supported. At a predetermined position of one side plate 41 pivotally attached to the side of the underframe 10,
A plurality of drainage hole forming pins 150 are sealed to form an insertion hole 45 that can protrude, and the rotational movement of the screw 110 is linked to the link 130.
A first end which converts the output end 120 to which the plurality of drainage hole forming pins 150 are fixed into a telescopic movement in a direction orthogonal to the screw rod.
The telescopic mechanism 100 is swingably supported on the underframe 10, and slides on a guide 15 provided on the underframe 10, and a drainage hole forming pin 150 is provided so as to protrude or retract from the insertion hole 45. A mold for producing a culvert block. 2. A front strut 20 is provided between the front strut 20 pivotally attached to the underframe 10 and the underframe 10 so as to urge the front strut 20 in an upright direction. An interlocking arm 25 protrudes from the lower portion, and the rear end plate 30 is provided so as to be able to move back and forth and tilt backward through a mounting base 34 rotatably supported at the rear of the underframe 10, and the interlocking arm 25 and the rear mounting base 3 are provided.
The undershaft block manufacturing form according to claim 1, wherein the four pivots (36) are connected by an interlocking rod (26). 3. A plurality of drainage hole forming pins 250 are sealed at predetermined positions of the bottom surface 50 spread on the underframe 10 to form a protruding insertion hole 55, so that the screw 210 can rotate. A second end for converting the output end 220 to which the plurality of drainage hole forming pins 250 are fixed via the link 230 into a vertical movement orthogonal to the screw rod;
3. The telescopic mechanism 200 is supported on the underframe 10, and the drainage hole forming pin 250 is provided so as to protrude or retract from the insertion hole 55. 4.
The formwork for manufacturing a culvert block according to the item. 4. The mold for manufacturing a culvert block according to claim 1, wherein the one side plate 41 is a one side plate 41 fixed to the underframe 10 and erected. .