JP2638574B2 - Split concrete block sorting method and apparatus - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for automatically dividing a so-called split block obtained by dividing a predetermined block of concrete block into a plurality of blocks according to the split shape. .

[0002]

2. Description of the Related Art In general, a concrete block is formed by placing concrete in a mere predetermined formwork, applying vibration and pressure to solidify the concrete, and removing the mold to obtain a block. However, recently, with the diversification of hobbies, the shape (outer shape) of a block has changed from a prismatic shape with a simple flat surface to a so-called split block that shows irregularities like cracked natural stone on the surface. Has reached. In this case, in forming a split block, a block block having a width corresponding to a plurality of blocks is first formed, and the block block is cut into a predetermined width with a predetermined blade to obtain a plurality of split blocks. . As a single block body divided into a plurality of pieces, a double-sided split block having split faces on both sides and a single-side split block having split faces only on one side appear.

[0003]

However, due to the fact that the split blocks are sold according to the use according to the shape of the split block (for example, double-sided split blocks are mainly used for fences, single-side split blocks are earth retaining). Etc.), and it must be sorted in advance into a double-sided block and a single-sided block, which is troublesome. Conventionally, this kind of block sorting work has to be manually separated one by one, and handling a block weighing 15 to 20 kg is extremely labor intensive and inefficient. Was. In particular, it is becoming a problem in recent years when the number of workers is decreasing.

In view of the above circumstances, the present invention provides a discharge conveyor for a double-sided split block and a discharge conveyor for a single-sided split block by sandwiching a double-sided split block and a single-sided split block among separate split blocks with separate clamp bodies. An object of the present invention is to provide a method and an apparatus for sorting concrete split blocks that solve the above-mentioned problems by mechanically moving the blocks.

[0005]

SUMMARY OF THE INVENTION The present invention relates to a method for sorting concrete blocks in which a plurality of single blocks are divided according to the shape of the divided blocks. The method comprises the steps of: The block group divided into a plurality of
It moves to the table lift position of the conveyor which faces the lower part of the clamp unloading device, and the two sets of the single-side split block and the double-side split block having the same shape in the block group lifted by the table lift are lowered on the clamp unloader side. Each of the clamp bodies holding the block is raised to the turntable side of the clamp unloading device, and the turntable itself, which is turned sideways by 90 °, is moved laterally by the traveling bogie. The discharge conveyor for the double-sided split block and the discharge conveyor for the single-sided split block are orthogonal to the carry-out conveyor, and each clamp body is lowered gradually to sort and transfer the blocks.

Another aspect of the present invention is directed to an apparatus for directly implementing the above method, wherein a transport conveyor for horizontally feeding out a plurality of divided block groups at predetermined intervals is disposed in front of a splitter processing table. A table lift is provided between the pair of transport chains facing the position immediately below the clamp unloading device in front of the transport conveyor, the table lift being at least ascending and descending above the transport surface of the transport chain. At the same time, a clamp unit, which is provided with a clamp body that holds a double-sided split block and a clamp body that holds a single-side split block on both sides, is attached to the lower end of an elevating cylinder that stands upright on a turntable provided on a traveling bogie. The traveling carriage unit is mounted on a traveling rail provided on an upper portion to form a clamp unloading device which is movable laterally, and A discharge conveyor for a double-sided split block and a discharge conveyor for a single-sided split block, which are arranged orthogonally to the transport conveyor, are arranged below the front end of the conveyor, and the clamp body for the double-sided split block and the single-sided split block are provided corresponding to each of the discharge conveyors. The clamp body for block is lowered.

The turntable has a turntable main body having wheels running on a circular rail formed on the upper surface of the traveling carriage, and a turn cylinder connected to one end of the turntable main body, which is turned by 90 ° by expansion and contraction. Be free.

[0008]

With the above construction, a single block group obtained by dividing a block lump having a predetermined width into a plurality of pieces at a processing table location by a splitter is fed out to a transport conveyor at predetermined intervals by appropriate means, and is fed to the front end of the transport conveyor. When moving to the portion, the table lift waiting below rises to scoop up a plurality of block groups. At this time, the two sets of clamp bodies on the side of the clamp unloading device arranged above are lowered by operating the elevating cylinder, and the single-side split block group and the double-side split block group are clamped independently by each clamp body, and the upper turn is performed. Each clamp body is pulled up to the table portion, and in this state, the turntable portion is rotated by 90 °, so that the entire block is turned sideways.

[0009] Thereafter, the turntable portion itself, which is a block suspended from the clamp body, is moved laterally by the drive of the traveling bogie portion, and the single-side split block discharge conveyor and the double-side split block discharge conveyor are orthogonal to the transport conveyor. Is moved stepwise to a position above the discharge conveyor for single-sided split block, the clamp body for holding the single-sided split block group is lowered, the clamp body is opened, and the single-sided split block group is discharged to the single-sided split block discharge conveyor. Put on. When the clamp body holding the double-sided split block group is lowered, the clamp body is opened, and the double-sided split block group is placed on the double-sided split block discharge conveyor, the single / double-sided split block group is sorted and discharged.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings of one embodiment.

FIGS. 1 to 7 are schematic explanatory views of dividing a block block having a predetermined width into a plurality (five) of single blocks and sorting according to the divided shape. FIGS. Reference numeral 1 denotes a known block splitting splitter 2 having opposed split teeth 2a at both ends of the center and upper and lower positions.
An operating rod 6 connected to a cylinder 5 attached to the machine body 4 between a pair of transport chains 1a at a front end portion of the transport conveyor 1 at a front end of the block splitting processing table 3 provided with A table lift 8 supported by a link cam 7 disposed at the front and rear positions of the table lift 8 is disposed. The table lift 8 in the longitudinal direction has at least a length on which a group of blocks that are divided into a plurality of pieces and fed out at regular intervals are placed. Reference numeral 9 denotes a clamp unloading device which is mounted on the upper body 4 'located above the position of the table lift 8 on the transport conveyor 1 and which is configured to travel on a traveling rail 10 provided on both sides. A carriage section 11 and a traveling carriage section of a lift cylinder 14 which forms a turntable section 13 for rotating a circular rail 12 provided at the upper center of the traveling carriage section 11 and stands upright at the center of the turntable section 13 Rod part 14 protruding from the lower surface of 11
A clamp body 16 for a single-sided split block is provided on both sides and a clamp body 16 'for a double-sided split block is provided side by side on a support 15 serving as a clamp body provided at the end a. in this case,
The clamp bodies 16 and 16 ′ are formed of a pair of clamp pieces 16.
a, 16a 'is connected to the center support frame 15a by the support shaft 17a.
And the clamp pieces 16a, 16
The opening / closing cylinder 18 is horizontally mounted between the upper end open portions of a ', and the clamping pieces 19 are provided at the lower ends of the clamp pieces 16a and 16a'. Reference numeral 20 denotes a single-sided split block discharge conveyor disposed in front of the transport conveyor 1 and arranged at an orthogonal position, and reference numeral 21 denotes a double-sided split block discharge conveyor arranged in parallel to the single-sided split block discharge conveyor 20. Reference numerals 22, 22 denote elevation guide shafts inserted through guide rods 23, 23 standing parallel to both sides of the elevation cylinder 14 of the turntable section 13. The lower ends of the elevation guide shafts 22, 22 are attached to the support 15. .
Reference numeral 24 denotes a support arm 25 projecting from the turntable section 13.
The rotation cylinder 24 is pivotally mounted on the
Of the rod portion 24a of the traveling carriage 11
It is locked to.

Next, this operation will be described. First, a block block having a predetermined width is stored in the processing table 3 for block allocation.
And a known pusher 27 arranged behind the processing table 3, which is sequentially moved in by appropriate means (not shown).
To the splitting position of the splitter 2 in accordance with the division width c (five divisions are shown in the schematic explanatory views of FIGS. 1 to 7), and the split teeth 2a arranged on the upper, lower, left and right sides of the splitter 2 (For example, in FIG. 1, two block chunks are divided into A1, B, B, B, A2 and A3,
B, B, B, A4).

Here, the earliest divided block A1 (single-sided divided block) divided on the processing table 3
Extruded into the front conveyor 1 as a unit,
The transport conveyor 1 is driven by a motor 28 to feed faster than the speed at which the next-stage split block B (double-side split block) on the processing table 3 is extruded. Separate a. Thereafter, when one block block is sequentially divided and sequentially extruded and transferred to the conveyor 1, the conveyor 1 is further fast-forwarded to separate a subsequent block block (divided block on the processing table 3).

Here, when the split block group reaches the position of the table lift 8 in the front part of the transport conveyor 1, the cylinder 5 serving as the elevating means operates and the rod 5a is contracted to move the operating rod 6 horizontally. If you slide it,
The L-shaped link cam 7 connected to the operating rod 6 rotates and rises above the transport surface of the transport chain 1a. That is, a group of divided blocks moved to the front of the transport conveyor 1 is scooped up by the table lift 8. In this case, in the split block group, single-sided split blocks A1 and A2 are located at both ends, and a plurality of double-sided split blocks B (three in FIGS. 1 to 7, and six in FIGS. 8 to 10) are located in the middle. . In addition, in this conveyor 1, since a plurality of divided blocks move at a fixed interval a, the divided surface of each block can be viewed. Doubles as well.

Next, the clamp bodies 16, 16 'projecting below the turntable section 13 of the clamp unloading device 9 disposed above the table lift 8 are connected to the turntable section 1.
3 by operating the elevating cylinder 14 standing up to the rod portion 14a.
Is pulled down together with the integrated support body 15, and the clamping pieces 16 and 16 'of the clamp bodies 16 and 16' are opened in advance.
9 and 19 are made to face the outside of the single-sided divided blocks A1 and A2 and the plural double-sided divided blocks B, respectively, which are laterally arranged at a fixed interval a. In this state, each clamp body 16, 1
6 ', each opening / closing cylinder 18 is actuated to sandwich
When the closing member 9 is closed, the sandwiching portion 19 of the clamp body 16 sandwiches the split blocks A1 and A2 on one side, and the sandwiching portion 19 of the clamp body 16 'sandwiches a plurality of split blocks B on both sides.

Thereafter, the rod portion 14a of the elevating cylinder 14 of the clamp unloading device 9 is contracted, and the clamp bodies 16, 1
By raising 6 ', the single-sided split blocks A1 and A2 and the double-sided split block B which are independently held are lifted (see the solid line in FIG. 10). In this case, the clamp body 16,
The supporting body 15 to which the 16 'is attached is provided with the lifting guide shafts 22, 22 serving as auxiliary shafts on both sides of the lifting cylinder 14, so that a stable lifting and hanging state is maintained.

Next, a rotating cylinder 24 disposed laterally at one end of the turntable section 13 is operated to operate the rod section 24a.
When the rotary cylinder 24 is retracted, the rotation cylinder 24 draws and rotates the support arm 25, and the turntable 13 integrated with the support arm 25 has a roller 29 that rolls on the circular rail 12 on the traveling bogie 11 side. After rotating by 90 °, the single-sided split blocks A1 and A2 and the double-sided split block B sandwiched by the clamp bodies 16 and 16 ′ suspended downward are turned 90 °.

Thereafter, the traveling bogie section 11 on which the turntable section 13 is mounted drives the traveling motor 30 provided on the upper body 4 'side to rotate the traveling chain 31 arranged below the traveling rail 10, and It moves integrally with the traveling chain 31 and causes the traveling rail 10 to travel.

Further, when the traveling bogie section 11 which advances (transverses laterally) with the traveling rail 10 comes to a position directly above the single-side split block discharge conveyor 20 which is orthogonal to the end of the conveyor 1, the driving motor 30 is driven. Stop once and stop the traveling carriage unit 11. Here, the lifting cylinder 14 of the turntable portion 13 is operated again to lower the clamp bodies 16, 16 ', and the single-side split blocks A1, A2 and the double-side split block B sandwiched by the clamp bodies 16, 16' are split on one side. It is lowered to a position near the block discharge conveyor 20 and stopped. At the discharge conveyor 20 for the single-sided split block, only the clamp body 16 is opened to open the single-sided split block A1,
A2 is released and placed on the transport chain 20a of the single-sided split block discharge conveyor 20 to make first sorting.

Finally, the lifting cylinder 14 is operated to raise the clamp bodies 16 and 16 '.
Only the double-sided split block B that has been clamped is suspended again. In this state, the traveling trolley 11 is further advanced and stopped when it comes to a position immediately above the double-sided split block discharge conveyor 21 parallel to the single-sided split block discharge conveyor 20. To lower the clamp bodies 16 and 16 ', and lower the remaining double-sided split block B clamped by the clamp bodies 16' to a position near the double-sided split block discharge conveyor 21. Thereafter, the clamp body 16 'is opened in the same manner as described above, the double-sided split block B is released, and placed on the transport chain 21a of the double-sided split block discharge conveyor 21 to perform the second sorting.

Thus, the single-sided divided blocks A1, A2
And the double-sided split block B are suspended independently (separately) by the clamp bodies 16 and 16 ', and separated and placed on the single-sided split block discharge conveyor 20 and the double-sided split block discharge conveyor 21. After the sorting operation is completed, the traveling carriage unit 11 returns to the original clamp unloading device position, and the turntable unit 13
Is also rotated 90 ° so that the clamp bodies 16 and 16 'are positioned right above the conveyor 1, and are opened so that the single-sided divided blocks A1 and A2 and the double-sided divided block B of the next-stage feeding can be clamped. Wait in state.

[0022]

As described above, according to the method and the apparatus for sorting the split concrete blocks of the present invention, the split block group divided into a plurality is transported at a constant interval by the transport conveyor, and the feed table is provided immediately below the clamp unloading device. Scoop up by lifting the lift and descend from the clamp unloader side 2
A single-sided split block and a double-sided split block are independently clamped and lifted by a set of clamp bodies, and in this state, the clamp body is turned 90 ° by rotating the turntable section, and the turntable section is moved laterally by the traveling bogie section. Face the discharge conveyor for the double-sided split block and the discharge conveyor for the single-sided split block orthogonally to the transport conveyor, and place the clamp body down for each of the double-sided block discharge conveyor and the single-sided split block discharge conveyor. As a result, the single-sided block and the double-sided block generated when a single block block is divided into a plurality
Mechanical sorting according to the shipping system can be performed, and conventional manual sorting work for each block shape is eliminated, which contributes to labor saving. In addition, since the single-side split block and the double-side split block are moved at a constant interval on the transport conveyor connected to the processing table, the split surface of the split block can be seen during the transport. For this reason, it is also possible to provide an inspection unit (line) for a split failure (loss) at an intermediate position of the transport conveyor. In addition, since the single-sided split block and the double-sided split block are clamped by separate clamp bodies, separation and suspension without malfunction can be performed. Furthermore, as the entire device, the discharge conveyor for double-sided split block and the discharge conveyor for single-sided split block are arranged orthogonally to the transport conveyor, so that the device can be installed in a relatively small space and suitable for small-scale block molding plants. Device. In addition, since the 90 ° rotation of the turntable portion is performed by a cylinder operation, there is an effect that even a heavy object such as a block can be reliably rotated.

[Brief description of the drawings]

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a schematic explanatory view of feeding a split block from a splitter process table of a split concrete block sorting apparatus according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram in which an earliest split block is placed on the transport conveyor.

FIG. 3 is an explanatory diagram in which a certain interval is provided between divided blocks sequentially fed to the transport conveyor.

FIG. 4 is an explanatory view in which a block group of one block is placed on the transport conveyor.

FIG. 5 is an explanatory diagram in which a group of split blocks is transported to a table lift section of the transport conveyor.

FIG. 6 is an explanatory diagram showing a positional relationship among a transport conveyor, a double-sided split block discharge conveyor, and a single-sided split block discharge conveyor.

FIG. 7 is a schematic explanatory view of a clamp unloading device arranged at a position directly above the transport conveyor.

FIG. 8 is a plan view of a transport conveyor.

FIG. 9 is a side view of the transport conveyor.

FIG. 10 is a side view of the clamp unloading device.

FIG. 11 is a plan view of the clamp unloading device.

FIG. 12 is a side view of the clamp body.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Conveyor 3 Splitter processing table 8 Table lift 9 Clamp unloader 10 Travel rail 11 Traveling trolley 13 Turntable part 14 Elevating cylinder 16, 16 'Clamp body 18 Opening / closing cylinder 20 Discharge conveyor for single side split block 21 Double side split block Conveyor 22 for elevating guide shaft

Claims (3)

(57) [Claims] 1. A method for sorting a divided concrete block according to a split shape, wherein a plurality of single blocks are divided according to a split shape, wherein the plurality of blocks are fed to a conveyor by a predetermined interval from a splitter processing table. The group is moved to the table lift position of the transport conveyor facing below the clamp unloading device, and the single-side split block and the double-side split block having the same shape in the block group lifted by the table lift are lowered on the clamp unloading device side. The two clamps are clamped independently of each other. Each clamp that clamps the block is raised to the turntable side of the clamp unloading device, and the turntable itself, which is turned 90 ° to the side, is placed next to the traveling bogie. Discharge conveyor for double-sided split block and single-side splitting that is orthogonal to the conveyor by moving To face the block for discharge conveyor position, a method of sorting split concrete blocks, characterized in that to sort migrate blocks stepwise lowers the respective clamp bodies. 2. A transport conveyor for horizontally feeding out a plurality of divided block groups at regular intervals is disposed in front of a splitter processing table, and a pair of transports facing a position immediately below a clamp unloader side in front of the transport conveyor. A table lift that moves up and down at least higher than the transport surface of the transport chain is provided between the chain sections. Above this table lift, a clamp body that clamps a double-sided split block in the middle and a single-side split block on both sides are sandwiched. A clamp unit connected to a clamp body to be mounted is attached to a lower end of an elevating cylinder standing on a turntable unit provided on the traveling bogie unit, and the traveling bogie unit is mounted on a traveling rail provided on an upper part and can be moved laterally. And a double-sided split blower which is arranged below the front end of the traveling rail and orthogonal to the conveyor. And a discharge conveyor for single-sided split blocks and a discharge conveyor for single-sided split blocks are provided side by side, and the clamp bodies for double-sided split blocks and the single-sided split block are lowered in correspondence with the respective discharge conveyors. Sorting device for split concrete blocks. 3. A turntable section having a turntable body provided with wheels running on a circular rail formed on an upper surface of a traveling carriage section, and a turn cylinder connected to one end of the turntable body, which is turned 90 ° by expansion and contraction. Claim 2 to be free
Sorting device for split concrete blocks as described.