JPH07178718A - Apparatus for cleaning form for sample molding - Google Patents

Abstract

PURPOSE:To remove concrete adhered to the outer peripheral face etc., of a form after a cylindrical concrete sample is released from the form without requiring man power. CONSTITUTION:A cleaning apparatus 1 with the following constitution is attached to a mold releasing apparatus 2. Namely, after a form 7 is set at a form setting position F to the mold releasing apparatus 2, a carrying means 34 transfers the form 7 onto a supporting roller 17 at the cleaning position H and then, a transmitting roller 20 and a cleaning brush 22 are lowered to a position where they are brought into contact with the outer peripheral face of the form 7 and are rotated. Therefore, the form 7 rotates automatically and the outer peripheral face of the form 7 is cleaned by rotation of the cleaning brush 22.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for cleaning a mold used for molding a concrete specimen.

[0002]

2. Description of the Related Art Recently, as a mold for molding a cylindrical concrete specimen, there has been recently used a combination of a cylindrical main body and a closing plate for closing one end thereof. (See Japanese Patent Publication No. 60-56082). In order to remove the concrete specimen from the seed mold, the concrete specimen in the frame body must be pushed out along its axial direction, but this work requires strong pushing force. Has developed a demolding device that pushes out a concrete specimen with a pusher using a manual press or a mechanical press (see Japanese Utility Model Laid-Open No. Sho 63-178106).

[0003]

In the conventional demolding apparatus,
Since it has only the function of pushing out the concrete specimen from the frame body, after removing the frame body from the demolding device, carry this frame body to the washing place and remove the concrete etc. adhering at the time of concrete injection or capping. It was necessary to wash off (or even scrape off) the deposits by hand. Such work is extremely troublesome and may cause injuries during the work.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a cleaning device for a mold for molding a specimen, which enables the work of washing off adhering substances such as concrete to be carried out easily and safely. To aim.

[0005]

In order to achieve the above object, the present invention takes the following technical means. That is, according to the first aspect of the present invention, the cylindrical supporting mold for rotatably holding the cylindrical mold for molding the specimen is laid sideways, and the supporting roller is brought into contact with the inner peripheral surface or the outer peripheral surface of the mold. It comprises a drive device for driving the transmission roller or the support roller to rotate the mold, and a cleaning brush which rotates around an axis parallel to the axis of the mold in contact with the outer peripheral surface of the mold. It is characterized by that.

According to the second aspect of the present invention, there is provided a mold transfer mechanism for transferring the mold between the mold setting position set on the front side of the cleaning position and the cleaning position, and the mold at the cleaning position. It is equipped with a delivery mechanism that transfers to a retracted position that is set to a level lower than the cleaning position, and a shooter that rolls the form transferred to the retracted position to an eject position that is set below the form setting position. It is characterized by being formed.

It is possible to provide a rubbing member which can be pressed against the annular end surface of the mold at the cleaning position.

[0008]

In the cleaning apparatus according to the first aspect of the present invention, the form roller (the frame main body: the same applies hereinafter) is laid on the bearing roller in a horizontal state, and then the transmission roller is placed on the inner or outer peripheral surface of the form roller. Is contacted to rotate the transmission roller or the support roller to rotate the mold. Since the cleaning brush is brought into contact with the outer peripheral surface of the mold to drive it rotationally, the adhered substances such as concrete adhered to the outer peripheral surface of the mold are removed.

In the cleaning apparatus according to the second aspect, when the mold is set at the mold setting position, the mold is moved to the cleaning position by the operation of the mold transfer mechanism and can be placed on the support roller, so that the cleaning is performed. Be started. Further, after the cleaning is completed, the mold is moved to the retracted position by the operation of the transfer mechanism, and the shooter provided so as to extend from the retracted position to the take-out position set below the mold set position causes the mold to move. The frame will be rolled.

Since the mold is rotated at the cleaning position, if a rubbing member is pressed against the annular end of this form, the adhered matter adhered to the annular end is also removed. Can be removed.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a processing apparatus capable of continuously performing a series of processes from the demolding of a concrete sample to the cleaning and application of a release agent to a mold for molding a sample, This processing apparatus is an example apparatus of the cleaning apparatus according to the present invention (hereinafter, referred to as "third cleaning apparatus 1" for convenience of description).
In addition to the above, the mold removing device 2, the first and second cleaning devices 3 and 4, the closing plate cleaning device 5, the mold disassembly work table 6 and the like are provided. 7 in both figures shows only the frame body of the mold.

First, the formwork to be processed by this processing apparatus is shown in FIG.
It demonstrates based on 0-FIG. This form is composed of a cylindrical frame body 7 with both ends open, and a disc-shaped closing plate 8 that is fitted into and removed from the lower end side of the frame body 7. In the frame body 7, the lower end portion into which the closing plate 8 is fitted is formed as a large-diameter pedestal portion 9 so that a standing posture such as when pouring concrete can be stably maintained, and a flange portion 10 is provided on the upper end side. Are installed around.

An engaging pin 11 is provided in the pedestal portion 9 of the frame body 7.
Are provided so as to face each other, and an L-shaped cam groove 12 into which the engagement pins 11 are fitted is formed in the closing plate 8. Further, the back side of the closing board 8 is in the shape of a recess, and a planar cross-shaped reinforcing rib 13 is provided in the recess.
A projecting piece 14 protruding in the width direction is screwed to the reinforcing rib 13.

Therefore, by fitting the closing plate 8 into the pedestal 9 while rotating the engaging pin 11 along the cam groove 12 and rotating it in the direction A of FIG. 11, the fitted state is maintained. be able to. On the contrary, in order to disassemble the closing board 8 from the frame body 7, as shown in FIG.
(Refer to FIG. 2) With the hook 15 formed by planting a bolt or the like in the state that the closing plate 8 is covered, the frame body 7 is rotated in the direction A of FIG. The main body 7 is lifted up as it is. Since the closing plate 8 is prevented from rotating and rising due to the contact between the reinforcing rib 13 and the protruding piece 14 and the hooking device 15, the closing plate 8 can be disassembled from the frame body 7.

Although two types of molds having different diameters and heights are standardized, the processing apparatus shown in this embodiment can be easily used for both standards. You can do it. Next, the processing device will be described. In the following description, the left side of FIG. 1 is “front”, the right side of FIG. 1 is “rear”, the left side of FIG. 2 is “left”, and the right side is “right”.

First, the third cleaning device 1 will be described in detail. As shown in FIG. 1 and FIG. 3, the third cleaning device 1 is arranged on the rear upper surface of the base plate 16 at predetermined intervals in the front and rear and in the left and right, and is rotatable with its axis centered in the left and right direction. A total of four bearing rollers 17 held in this manner, and a yagura base 18 provided so as to straddle left and right on the base plate 16 are provided so as to be vertically movable above the arrangement portion of each bearing roller 17. And an elevating frame 19, two transmission rollers 20 inserted and fixed to a drive shaft 21 installed on the elevating frame 19 with the axis centered in the left-right direction, and the elevating frame 19 as well.
And a cleaning brush 22 that is rotatably installed parallel to the drive shaft 21.

Each of the support rollers 17 is formed such that the side close to each other has a large diameter and the opposite sides have a small diameter, and the frame body 7 can support both large and small sizes. The elevating frame 19 is moved up and down by a hydraulic cylinder 23 provided on the yagura base 18. Reference numeral 24 is a guide bar. Reference numeral 25 denotes an elevating stroke adjusting bar, which slides a stepped spacer member 26 that is engaged with the adjusting bar 25 back and forth as shown in FIG.
It can be switched according to the large or small frame body 7. A motor 28 is provided on the elevating frame 19 via a bracket 27, and the motor 28 is connected to the drive shaft 21 via a coupling 29.
A large gear 30 is attached to the drive shaft 21, and a small gear 32 that meshes with the large gear 30 is attached to the rotary shaft 31 of the cleaning brush 22, so that the transmission roller 20 has a relatively low speed and the cleaning brush 22. Rotate relatively to each other at relatively high speed as shown in FIG.

The transmission roller 20 is made of hard rubber, resin or the like so that slips and scratches on the frame body 7 do not occur. The cleaning brush 22 has hard fiber materials radially planted around the rotary shaft 31, and has a horizontally long cylindrical shape as a whole. As shown in FIG. 5, the cleaning brush 2
It is preferable that the release agent spray pipe 33 is provided along the line 2, and the release agent is applied to the outer peripheral surface of the frame body 7 by utilizing the rotating cleaning brush 22.

As shown in FIG. 1, the frame main body 7 is initially set in the demolding device 2, and after the demolding is completed, the first and second demolding devices 2 are moved from the demolding device 2 by a mold transfer mechanism 34 described later.
After being sent to the processing position G of the cleaning devices 3 and 4, and after the cleaning at the processing position G is finished, to the cleaning position H of the third cleaning device 1 (the arrangement portion of the support roller 17 described above) to be withheld next. It is supposed to be sent out. in this way,
The position where the frame main body 7 is set to the demolding device 2 is the third
It can be said that it also serves as the mold set position F with respect to the cleaning apparatus 1 or the processing apparatus as a whole.

The formwork transfer mechanism 34 includes a pair of left and right support members 35 and 36 which can hold the frame body 7 in a horizontal state at the formwork setting position F and the processing position G as shown in FIG. As shown in FIG. 1, FIG. 7 and FIG. 8, it comprises a transfer table 39 which is movable in the front-rear direction between the left and right support members 35, 36, and a drive mechanism 40 for the transfer table 39.

In any of the above-mentioned supports 35, 36, the left one engages with the flange portion 10 of the frame body 7 (see FIG. 10), and the right one engages with the pedestal portion 9. There is. The support 35 at the mold setting position F is the base plate 16
U-shaped slide operation frame 4 held on the top so that it can move back and forth
1, the support 36 at the processing position G is fixed to the base plate 16. These supports 35 and 36 are
It is for a large frame body 7.

The slide operation frame 41 has the support 35
Supports 37 and 38 for the small frame main body 7 are provided at a portion slightly inward of the front side and the rear side with a predetermined distance. Therefore, the slide operation frame 41
6 is pushed rearward from the state of FIG. 6 so that the support members 36 and 38 are aligned in the left-right direction at the processing position G, so that the small frame main body 7 at the mold setting position F and the processing position G becomes large. It can be switched so that it can be held concentrically with the frame body 7.

As shown in FIG. 7, the transfer table 39 has front and rear portions provided with left and right paired lifting pieces 42 and 43. The front and rear intervals of these lifting pieces 42 and 43 are as follows. Supports 35 and 36 when the slide operation frame 41 is at the front position
And the front-rear spacing between the support members 37 and 38, and the front-rear spacing between the center of the front and rear support rollers 17 and the support member 36, respectively.

As shown in FIGS. 1 and 8, the driving mechanism 40 of the transfer table 39 is provided on the lower surface of the base plate 16 and a forward / backward moving cylinder 45 for moving the slider body 44 back and forth.
It has a vertically moving cylinder 46 provided on the slider body 44 for vertically moving the transfer table 39. By the combined operation of these cylinders 45, 46, the lifting piece 4 is provided.
The rectangular movements of 2, 43 are raised above the lower level of the supporting members 35 to 38 and the support roller 17, are retracted as they are, lowered to the original lower level, and are advanced as they are.

As shown in FIG. 1, behind the third cleaning device 1, there is provided a transfer mechanism 47 for transferring the frame main body 7 at the cleaning position H to the retracted position J set at a level lower than the cleaning position H. Has been. The delivery mechanism 47 is used for the transfer table 3
The kicking piece 48 attached so as to project rearward from the rear end of the base plate 9 in an L shape, and the upper shooter 4 projecting rearward from the rear end of the base plate 16 with a downward slope.
9 and the hydraulic cylinder 5 at the rear of the upper shooter 49.
It consists of a descending table 51 which moves up and down by 0. Drop table 5
An interference material 52 made of rubber or the like is attached on the surface 1.
The base plate 16 is located at the most lowered position of the descending table 51.
A lower shooter 53 (see FIG. 3) capable of rollingly moving the frame main body 7 is provided below (the drive mechanism 40 of the transfer table 39, etc.), and the front end portion of the lower shooter 53 is a mold set. It passes below the position F and reaches the take-out position K in front of the processing apparatus. The lower shooter 53
A collecting agent collecting trough 54 is formed in the left and right central portions of the first and second cleaning devices 3 and 4, and the releasing agent used in the third cleaning device 1 is guided to the recovery tank 55. ing.

Therefore, the delivery mechanism 47 is composed of the transfer table 39.
When moving backward while raising, the kicking piece 48 kicks the frame main body 7 on the support roller 17, that is, at the washing position H, onto the upper shooter 49, and the frame main body 7 stands by at the upper position. 51 Roll up. Then, when the frame body 7 is transferred onto the descending table 51, the descending table 51 is lowered to transfer the frame body 7 from the retracted position J onto the lower shooter 53. Frame body 7
Moves on the lower shooter 53 to the take-out position K.

Next, the demolding device 2, the first cleaning device 3, the second
The cleaning device 4 and the closing plate cleaning device 5 will be respectively outlined. As shown in FIGS. 1 and 2, the demolding device 2 includes a support 3
5 or 37 (see FIG. 6), the pressing mechanism 56 presses down the frame body 7 held by the pressing block 56 downwardly, the pusher 58 that pushes out the concrete specimen in the frame body 7, and the pusher And a receiving table 59 for supporting the concrete specimen.

As shown in FIG. 8, the first cleaning device 3 is arranged on the right side of the frame body 7 held on the support 36 or 38, and on the right side of the base plate 16 which is movable left and right. An inner peripheral surface cleaning brush 62 having a rotary shaft 61 extending in the left-right direction with respect to the table 60 (having a radial bristling direction)
Is provided. 63 is a motor for driving the rotary shaft 61, and 64 is a right table 60 via an L-shaped lever 65.
It is a cylinder for advancing and retreating that moves left and right.

The second cleaning device 4 is arranged on the left side of the frame main body 7 held on the support 36 or 38, and the second cleaning device 4 is mounted on the base plate 16 so as to be movable left and right. An end face cleaning brush 67 (having a flocking direction in the left-right direction) having an annular shape corresponding to the flange portion 10 (see FIG. 10) of the frame body 7 is provided. Reference numeral 68 is a motor connected to a housing 69 holding the brush 67 via a gear 70, and 71 is an advancing / retreating cylinder for moving the left table 66 left and right. Also, the housing 69
A mold release agent spray nozzle 72 is penetratingly held at the center of the frame so that the mold release agent can be applied toward the end surface and the inner peripheral surface of the frame body 7.

These first cleaning device 3 and second cleaning device 4
In the same manner as the demolding device 2 described above, as shown in FIG.
A pressing mechanism 74 that presses the frame body 7 downward by the pressing block 73 to make it immovable is additionally provided. The pressing mechanism 74 is provided with an elevating plate 75 that moves up and down together with the pressing block 73, and the curtain 7 made of a transparent resin sheet is provided in front of the pressing block 73 with respect to the elevating plate 75.
6 is suspended, and the curtain 76 prevents the release agent from scattering to the front mold setting position F or the like. The curtain 76 is formed with a plurality of cuts (see FIG. 8) along the vertical direction in order to enhance flexibility.

The closing board cleaning device 5 has a closing board 8 having hooks 15 (see FIG. 13) as shown in FIGS.
A mounting table 77 for (see FIGS. 10 to 12) is rotatably provided by a motor 78, and a cover 79 is put on the mounting table 77.
A brush (not shown) capable of rubbing the upper surface of the closing board 8 placed on the placing table 77 is attached. The motor 78 is adapted to switch between operating and stopping in synchronization with the opening / closing operation of the cover 79.

FIG. 1 shows the operation of the processing apparatus thus configured.
And when it outlines based on FIG. 2, the formwork in which the concrete specimen is packed is disassembled into the form body 7 and the closing board 8 by the formwork disassembly work table 6, and the form body 7 is moved to the form set position F, The closing boards 8 are set in the closing board cleaning device 5, respectively. When the start switch provided on the control panel 80 or the like is operated in this state, the frame body 7 pushes the pressing block 56 at the frame setting position F.
After being pressed and held by the pusher 58, the concrete specimen is demolded by the pusher 58.
The pressure holding by is released.

Next, the mold transfer mechanism 34 is activated to operate the frame main body 7.
To the processing position G. At this point, a new frame body 7 is set again at the frame setting position F. When the start switch of the control panel 80 is operated again, the frame body 7 at the mold setting position F is pressed and held by the pressing block 56, and at the same time, the frame body 7 at the processing position G is also pressed and held by the pressing block 73. While the concrete specimen is being demolded from the frame body 7 at the mold setting position F, the first cleaning device 3 and the second cleaning device 4 are actuated, and the flange is attached to the frame body 7 at the processing position G. Part 10 (Fig. 1
The end surface on the (see 0) side and the inner peripheral surface are cleaned.

When the pressing and holding by the pressing blocks 56 and 73 is released after the completion of the mold release and cleaning, the mold transfer mechanism 34 is operated again to walk the frame main body 7 at the respective positions F and G. Advance. Therefore, the frame body 7 is delivered to the cleaning position H of the third cleaning device 1. While the same operation as above is repeated at the mold setting position F and the processing position G, the outer peripheral surface of the frame body 7 is cleaned at the cleaning position H by the operation of the third cleaning device 1.

After the lowering table 51 of the delivery mechanism 47 is raised and is in the standby state, the frame transfer mechanism 34 is operated next to cause the frame body 7 at the cleaning position H to move to the upper shooter 49.
The frame main body 7 is sent to the take-out position K via the lower shooter 53 by being placed on the descending table 51 via the. Hereinafter, these series of operations are repeated.

By the way, in the cleaning apparatus (third cleaning apparatus 1) of the present invention, the transmission roller 20 (see FIG. 3) is inserted into the frame body 7 so that the supporting roller 17 can be sandwiched. It is also possible to transmit the rotational force to the frame main body 7 by rotating it while contacting the inner peripheral surface of 7. Further, if the support roller 17 itself is driven to rotate, the transmission roller 20 can be omitted.

In the cleaning apparatus of the present invention, since the frame body 7 is rotated, as shown in FIG. 9, the rubbing member 81 is pressed against both end surfaces of the frame body 7 by the cylinder 82 or the like, and this portion is brought into contact with this portion. It is possible to scrape off stubborn adhered substances. The combination of the cleaning device of the present invention with the demolding device 2, the first and second cleaning devices 3 and 4, the closing plate cleaning device 5, the mold disassembly worktable 6 and the like is not limited and is independent. It can also be configured as a thing.

[0038]

Industrial Applicability The present invention has the above-mentioned structure, and relates to a mold (frame body) for molding a concrete specimen after demolding the concrete specimen, such as concrete attached to the outer peripheral surface thereof. The deposit can be washed off without the need for human intervention, making this task easy and safe.

If the machine is provided with a form transfer mechanism, a delivery mechanism and a shooter (lower shooter) (claim 2), after the form is set at the form setting position, the form is moved to the cleaning position, the retracted position, Since it is automatically transferred sequentially to the take-out position below the form set position, the operator handles the form (putting in and out of the cleaning device according to the present invention).
Is easy and quick.

Since the mold is rotated at the cleaning position, the deposit adhered to the end face of the mold can be removed only by providing a simple structure in which the rubbing member is pressed against the end face of the mold (claim 3). Like

[Brief description of drawings]

FIG. 1 is a side sectional view (corresponding to an enlarged sectional view taken along line BB of FIG. 2) of a processing apparatus including a cleaning apparatus according to the present invention.

FIG. 2 is a front view of a processing device.

FIG. 3 is an enlarged cross-sectional view taken along line CC of FIG.

4 is a view taken along the line DD of FIG.

FIG. 5 is an operation explanatory view of the cleaning device according to the present invention.

FIG. 6 is a perspective view showing a support provided at a mold setting position and a processing position.

FIG. 7 is a perspective view showing a transfer table.

8 is an enlarged cross-sectional view taken along the line EE of FIG.

FIG. 9 is a schematic front view showing an aspect in which a rubbing member is provided for the cleaning device according to the present invention.

FIG. 10 is a front sectional view of a mold.

FIG. 11 is a perspective view of a closing board.

FIG. 12 is a bottom view of the closing board.

FIG. 13 is an enlarged view of an essential part showing a disassembled state of a mold.

[Explanation of symbols]

 1 Third Cleaning Device (Cleaning Device According to the Present Invention) 7 Frame Main Body of Formwork 8 Closing Board of Formwork 17 Bearing Roller 20 Transmission Roller 22 Cleaning Brush 34 Formwork Transfer Mechanism 47 Delivery Mechanism 53 Lower Shooter 81 Rubbing Member F Type Frame setting position H Cleaning position J Evacuation position K Extraction position

Claims (3)

[Claims] 1. A bearing roller for rotatably holding a cylindrical mold for molding a test specimen in a state of lying sideways, a transmission roller abutting against an inner peripheral surface or an outer peripheral surface of the mold, or the above bearing. A drive device that drives the roller to rotate the form,
A cleaning device for a mold for molding a specimen, comprising: a cleaning brush which rotates around an axis parallel to the axis of the frame while being in contact with the outer peripheral surface of the frame. 2. A form transfer mechanism for transferring the form from the form setting position set on the front side of the cleaning position to the cleaning position, and the form at the cleaning position is set to a level lower than the cleaning position. The delivery mechanism according to claim 1, further comprising: a transfer mechanism that transfers the mold to the retracted position, and a shooter that rolls the mold transferred to the retracted position to the take-out position set below the mold set position. Cleaning device for trial molds. 3. The cleaning device for a mold for molding a specimen according to claim 1, wherein a rubbing member capable of pressing the annular end surface of the mold is provided at the cleaning position. .