JP2017114602A - Conveying apparatus and opening and closing device that rocks - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a conveying apparatus having an outlet mechanism whose opening and closing motions are not hindered by sticking or the like of objects to be conveyed.SOLUTION: A conveying apparatus includes: a conveyance casing 2 having an inlet mechanism at one end; a screw conveying mechanism 20 for conveying objects to be conveyed put through the inlet mechanism, the conveying being along the conveyance casing 2; and multiple outlet mechanisms 30 provided at a bottom portion of the conveyance casing 2, along a direction where the object to be conveyed is transported. Each outlet mechanism 30 includes: a lid body 31 that can be in closed and open conditions; and a drive mechanism 50 for driving the lid body 31 between the closed and open conditions. In the closed condition, an opening 11 of an outlet 10C through which the object to be conveyed is dropped and discharged to the bottom portion of the conveyance casing 2 is closed relative to an outside surface of the conveyance casing 2. In the open condition, the opening 11 of the outlet 10C is open outward.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a transport device and a swing opening / closing device, and in particular, a transport casing provided with a loading mechanism on one end side, and a screw-type transport mechanism for transporting an object to be transported loaded from the charging mechanism along the transport casing. The present invention relates to a transport device including a plurality of discharge mechanisms provided at the bottom of a transport casing along a transport direction of a transported object, and a swing opening / closing device used in such a transport device.

  After dehydrating surplus sludge generated by biological treatment of sewage, sludge sludge such as septic tank sludge and human waste treatment sludge to a water content of about 70% with a dehydrating device such as a filter press device or screw press device, as a combustion aid Attempts have been made to incinerate in municipal waste incinerators.

  A screw-type transfer device is widely used as a transfer device for transferring a granular material such as sludge or a wet substance. The sludge dewatered by the dewatering device is transported to the container by the screw-type transport device, and the container into which the sludge is charged is transported to the nearest waste incineration facility.

  Also, incinerated ash from the incinerator, molten slag from the melting furnace, dried sludge from the dryer, etc. are once stored in the container by a screw type conveying device and conveyed to the next process.

  When the sludge transported by such a transport device is dropped into the container from one outlet provided on the downstream side of the transport device, it is accumulated in a mountain shape locally in the container. In order to increase the input amount, it is necessary to perform a leveling operation manually, which requires a very complicated operation.

  In Patent Document 1, a screw is rotatably housed in a screw casing provided with an inlet at the upper end on one end side and a discharge port at the lower end on the other end side, and is introduced into the screw casing from the inlet. A screw conveyor is disclosed in which an object to be conveyed is conveyed by the screw and dropped and discharged from an outlet.

  As shown in FIG. 6, the screw conveyor is configured such that a screw 4 is housed in a screw casing 1 having an inlet 2 at an upper end on one end side, and is driven to rotate by an external driving device 12. A plurality of rectangular tube-like discharge ports 3a, 3b, 3c, 3d are provided in the lower part on the other end side of the screw casing 1 at a required interval in the transport direction, and an opening amount is set for each of the discharge ports 3a, 3b, 3c, 3d. An adjustment gate 15 for adjustment is provided individually.

  Each adjustment gate 15 is formed in a flat plate shape corresponding to the dimensions of the discharge ports 3a, 3b, 3c, 3d, and is arranged in the left-right direction at the upper end position of the downstream side wall in the transport direction of the discharge ports 3a, 3b, 3c, 3d. It is configured so that it can be inserted into each discharge port 3a, 3b, 3c, 3d through a slit-like opening 16 drilled to extend, and both left and right edge portions are on the left and right sides of the discharge ports 3a, 3b, 3c, 3d. It is configured to be slidable in the transport direction by being fitted to a guide member 17 extending in the transport direction and installed at a height position corresponding to the opening 16 on the inner surface of the wall portion. 6 uses the code | symbol attached | subjected to patent document 1 as it is, and has no relation with the code | symbol of drawing shown in the following embodiment.

JP 2003-306221 A

  However, the adjustment gate described above is configured such that the opening amount is adjusted by sliding the flat gate member 15a corresponding to the dimensions of the discharge ports 3a, 3b, 3c, and 3d in the direction along the screw casing 1. Therefore, there is a problem that the object to be transported is deposited and fixed between the rectangular cylindrical discharge ports 3a, 3b, 3c, 3d and the gate member 15a, and the sliding movement of the gate member 15a is hindered. .

  For example, when the gate member 15a is opened in order from the discharge port 3d on the downstream side in the transport direction to the discharge port 3a on the upstream side, when the object to be transported falls evenly into the container, the downstream discharge port While the object to be transported is dropped from 3d, the object to be transported is deposited and consolidated between the upstream rectangular tube-like discharge ports 3a, 3b, 3c and the gate member 15a and firmly fixed. There was a fear.

  There is also a problem that when the gate member 15a is slid, the object to be transported deposited on the gate member 15a enters the guide member 17 and hinders subsequent smooth sliding movement of the gate member 15a.

  Further, there is a problem that the object to be conveyed is stored in the guide member 17 when the gate member 15a is closed.

  In view of the above-described problems, an object of the present invention is to provide a transport device and a swing opening / closing device provided with a discharge mechanism in which an opening / closing operation is not hindered due to adhesion of an object to be transported.

  In order to achieve the above-described object, a first characteristic configuration of the transport device according to the present invention is as described in claim 1 of the claims, and includes a transport casing provided with an input mechanism on one end side, A screw-type transport mechanism that transports the object to be transported input from the input mechanism along the transport casing; and a plurality of discharge mechanisms provided at the bottom of the transport casing along the transport direction of the object to be transported. The discharge mechanism has a closed state in which the opening of the discharge port for dropping and discharging the object to be transferred to the bottom of the transfer casing is closed from the outside of the transfer casing, and the opening of the discharge port is formed. It is in the point comprised by the cover body which will be in the open state opened outside, and the drive mechanism which drives the said cover body between the said closed state and an open state.

  A discharge port for dropping the object to be transported is provided at the bottom of the transfer casing, and the lid is opened and closed by the lid so as to close the discharge port from the outside of the transfer casing. During this time, the object to be conveyed is hardly deposited and fixed, and therefore the lid opening / closing operation is not hindered, and the object to be conveyed can be reliably dropped in the open state.

  In the second feature configuration, as described in claim 2, in addition to the first feature configuration described above, the discharge port is formed in a U-shaped cross-section when viewed in the transport direction and a rectangular shape when viewed from the side. The lid is formed in a bowl shape that closes the discharge port.

  When the lid moves from the closed state to the open state, the object to be transported that has been transported in the transport casing by the transport mechanism is not left in the transport casing, but is formed in a U-shaped cross section and rectangular in a side view. When the lid is moved from the open state to the closed state without fail, the transported object is surely secured by the lid formed in a bowl shape without leaking from the discharge port. The outlet is covered.

  In the third feature configuration, in addition to the first or second feature configuration described above, the drive mechanism may be configured so that the lid body is between the closed state and the open state. The swinging shaft is disposed on the downstream side in the transport direction with respect to the discharge port, and the lid body falls from the discharge port in the open state. The point is that it functions as a guide unit that receives the object to be conveyed and guides it to drop to a predetermined position.

  Since the lid is swung around the swing shaft arranged on the downstream side in the transport direction with respect to the discharge port, the transport mechanism transports the inside of the transport casing when the cover transitions from the closed state to the open state. Even if the inertial force acting on the object to be conveyed pops out in the conveying direction, the object to be conveyed is received by the inner surface of the lid that is oscillated around the oscillating shaft arranged downstream of the discharging port in the conveying direction. In addition, since the object to be transported falls along the inner surface of the lid, the object to be transported falling from the discharge port is stably dropped directly below without being scattered. If the lid is formed in a bowl shape as in the second characteristic configuration, the object to be transported falling from the discharge port does not scatter in a direction intersecting the transport direction of the object to be transported in plan view, and is stable. Will fall directly below. In other words, the inner surface of the lid functions as a guide unit that receives the object to be transported falling from the discharge port and guides it to a predetermined position.

  In the fourth feature configuration, as described in the fourth aspect, in addition to any one of the first to third feature configurations described above, the rocking mechanism is located downstream in the transport direction with respect to the discharge port. A first bracket that supports the swing shaft so as to be orthogonal to the axis of the transfer casing in plan view, and a piston cylinder mechanism that swings the lid around the swing shaft; And a second bracket that is disposed on the downstream side in the transport direction with respect to the discharge port and supports the piston cylinder mechanism in a swingable manner.

  A swing shaft is supported by a first bracket disposed on the downstream side in the transport direction with respect to the discharge port, and a piston is also swingably supported on a second bracket disposed on the downstream side in the transport direction with respect to the discharge port. The lid is driven to swing around the swing axis by the cylinder mechanism. Since the piston cylinder mechanism is swingably supported by the second bracket, the lid body is oscillated and biased so that the operating point of the lid body by the piston cylinder mechanism is located concentrically with the swing axis of the lid body. It becomes possible.

  In the fifth feature configuration, in addition to the fourth feature configuration described above, the swing shaft is formed in the first bracket and is inclined obliquely upward toward the transfer casing. When the lid is swingably driven in an open state by the piston cylinder mechanism, the swing shaft moves downward along the long hole, and the piston cylinder When the lid is pivotally driven in a closed state by a mechanism, the pivot shaft is configured to move upward along the elongated hole.

  When the lid swings around the swing axis, the swing shaft moves below the long hole formed in the first bracket, so even if there are variations in the dimensional accuracy of the swing mechanism and the cover, Opening and closing can be smoothly performed without causing a twist between the lid and the transport casing. Further, when the piston cylinder mechanism is driven to swing the lid body from the open state to the closed state, the lid body is finally swung while the swinging shaft is positioned below the long hole. The lid can be brought into close contact with the transport casing with high accuracy by pressing and moving the swing shaft upward along the axis.

  In addition to the fifth feature configuration described above, the sixth feature configuration is the same as the fifth feature configuration described above. When the lid body is driven to swing in the closed state by the piston cylinder mechanism, An elastic member for urging the swing shaft is provided so that the shaft moves upward along the long hole.

  When the lid swings from the closed state to the open state, the swinging shaft is pressed by the elastic member so that the swing shaft swings in a state where the swing shaft is positioned above the long hole, and the lid body is closed from the open state. The swinging shaft is swung in the initial stage of swinging in the state where the swinging shaft is positioned below the long hole, and the swinging shaft is pressed by the elastic member when approaching the closed state so that the lid closely contacts the transport casing. Become.

  In the seventh feature configuration, as described in claim 7, in addition to any of the first to sixth feature configurations described above, the transport casing is an upward slope that is gradually inclined upward in the transport direction. It is in the point installed in.

  When the object to be transported is a wet object, the moisture that exudes from the object to be transported when transported in the transport casing does not flow down downstream along the transport casing, so that water is discharged from the discharge port. There is no such thing as dripping and getting dirty.

  In the eighth feature configuration, in addition to any one of the first to seventh feature configurations described above, the maximum swing angle of the lid body is determined from the repose angle of the conveyed object. The point is set at a large angle.

  The transported object that has fallen from the discharge port falls down without being deposited on the inner surface of the lid.

  In the ninth feature configuration, in addition to any one of the first to eighth feature configurations described above, the inner surface of the lid body and the inside of the transfer casing in the closed state are provided. A convex portion is formed on the inner surface of the lid so that the surface is flush with the surface.

  When the lid is in the closed state, the object to be transported in the transport casing is transported downstream without accumulating on the inner surface of the lid.

  The first characteristic configuration of the swing opening and closing device according to the present invention is as described in claim 10, the lid for opening and closing the discharge port formed in the bottom of the casing, the closed state of closing the discharge port, and the discharge A swing opening / closing device configured to swing the lid body about a swing shaft between an open state where the outlet is opened, and the swing mechanism is configured to swing the swing in a plan view. A first bracket that supports the swing shaft such that a moving shaft is orthogonal to an axis of the transfer casing, a piston cylinder mechanism that swings the lid around the swing shaft, and the piston cylinder A second bracket that supports the mechanism in a swingable manner, and the swing shaft is supported in a movable manner along a long hole that is formed in the first bracket and is inclined obliquely upward toward the transfer casing, The lid by the piston cylinder mechanism When the swing shaft is driven to swing in the open state, the swing shaft moves downward along the long hole, and when the lid body is driven to swing in the closed state by the piston cylinder mechanism, the swing shaft Is configured to move upward along the long hole.

  According to the second feature configuration, in addition to the first feature configuration described above, when the lid body is driven to swing in the closed state by the piston cylinder mechanism, the swing feature is changed. An elastic member for urging the swing shaft is provided so that the shaft moves upward along the long hole.

  As described above, according to the present invention, it is possible to provide a transport device and a swing opening / closing device having a discharge mechanism in which the opening / closing operation is not hindered by the adherence of an object to be transported. .

Explanatory drawing of the conveying apparatus of this invention (A) is sectional drawing of a conveying apparatus, (b) is sectional drawing of the conveying apparatus of the site | part in which the cover body is arrange | positioned, (c) is a principal part side view which shows a cover body and a rocking | fluctuation mechanism. (A) is explanatory drawing of a rocking | fluctuation mechanism when a cover body is in a closed state, (b) is explanatory drawing of the positional relationship of a 1st bracket and a rocking | fluctuation shaft when a cover body is in a closed state, (c). Is an explanatory diagram of the swing mechanism when the lid is in the open state, and (d) is an explanatory diagram of the positional relationship between the first bracket and the swing shaft when the lid is in the open state. Explanatory drawing of the fall state of the transported object falling from the discharge port Explanatory diagram of lid open / close control system Explanatory drawing of conventional transport mechanism

Hereinafter, embodiments of the transfer device and the swing opening / closing device of the present invention will be described.
The conveying device is used to convey the sludge dehydrated to a water content of about 70% by a dehydrating device such as a filter press device or a screw press device to a container. The dewatered sludge accumulated in the container is transported to the municipal waste incineration plant for each container by an arm roll car and incinerated as a combustion aid.

  Sludge to be dewatered is sludge in excess of sludge generated from biological treatment of sewage, septic tank sludge, human waste sludge, etc. In this embodiment, excess sludge is mixed into human waste, septic tank sludge, human waste or septic tank sludge. Dehydrated sludge dehydrated with a screw press device is the target.

  As shown in FIG. 1, the transport apparatus 1 transports along a transport casing 2 a transport casing 2 provided with a loading mechanism 10 on one end (upstream end) side, and an object to be transported loaded from the loading mechanism 10. A screw-type transport mechanism 20 and a plurality of (three in this embodiment) discharge mechanisms 30 are provided at the bottom of the transport casing 2 along the transport direction of the object to be transported.

  The screw-type transport mechanism 20 includes a rotary shaft 21, screw blades 22 arranged around the rotary shaft 21, an electric motor M that drives the rotary shaft 21, and an output shaft of the electric motor M and the rotary shaft 21 that are connected to each other. And a belt coupling mechanism 23.

  A pulley connected to the output shaft of the electric motor M installed outside one end of the transport casing 2 and a pulley attached to the end of the rotating shaft 21 are connected by driving with a belt to form a belt connecting mechanism 23. Yes.

  As shown in FIG. 2A, the transport casing 2 has a lower wall surface formed in a semicircular bowl shape, and an upper cover 2A is disposed at the upper end thereof. A screw blade 22 having a circular shape in the axial direction is disposed along the lower wall surface, and the object to be transported loaded from the loading mechanism 10 by the rotation of the screw blade 22 is forward along the transport casing 2, that is, on the right side of the figure. It is conveyed toward.

  Returning to FIG. 1, the charging mechanism 10 is configured by a charging port 10 </ b> A formed on the upper surface of one end side of the transport casing 2 in the upper cover 2 </ b> A and a hopper 10 </ b> B disposed above the charging port 10 </ b> A. Although not shown, the sludge cut out from the silo in which the dewatered sludge is accumulated is transported to the top of the hopper 10B by a separate screw-type transport mechanism, and is dropped and supplied toward the hopper 10B. .

  The screw blades 22 arranged around the rotary shaft 21 are formed in a reverse phase at the peripheral end of the transport casing 2 so that the transported object input from the input port 10A is not clogged at the terminal end of the transport casing 2. It is configured to be conveyed in the reverse direction.

  Below the three discharge mechanisms 30, containers 40 for receiving the dried sludge as the objects to be conveyed are arranged, and the objects to be conveyed dropped from the respective discharge mechanisms 30 are uniformly accumulated in the containers 40. The interval between the discharge mechanisms 30 is set. An opening / closing lid 2B for inspection is installed on the upper portion of each discharge mechanism 30 in the upper cover 2A.

  The transport casing 2 is installed with an upward gradient that gradually inclines upward along the transport direction. In the present embodiment, the inclination angle θ is set to about 2.5 °. When the object to be transported is a wet material such as dewatered sludge, it is avoided that moisture that exudes from the object to be transported when transported in the transport casing 2 flows down downstream along the transport casing 2. To do

  The most downstream discharge mechanism 30 </ b> C is installed so as to be positioned immediately below the facing portion between the forward conveying screw blade 22 and the reverse conveying screw blade 24.

  The discharge mechanism 30 </ b> C includes a cylindrical body 301 that extends downward from the conveyance casing 2 so as to close the discharge port 10 </ b> C formed in the bottom of the conveyance casing 2, and is conveyed on the lower end side of the cylindrical body 301. An opening / closing plate 302 that is slidable along the casing 2 and a cylinder mechanism that drives the opening / closing plate 302 to move in and out are provided.

  The electric motor M is allowed to be driven on the condition that the opening / closing plate 302 is driven to retract so that the lower end of the cylindrical body 301 is opened. Protected against clogging.

  Discharge mechanisms 30A and 30B having the same structure as the swing opening and closing device of the present invention are installed in the discharge port 10C on the most upstream side and the discharge port 10C adjacent to the downstream side thereof. Hereinafter, the discharge mechanism 30A will be described in detail.

  As shown in FIGS. 2B and 2C and FIGS. 3A and 3C, the discharge mechanism 30A conveys the opening 11 of the discharge port 10C that drops and discharges the object to be conveyed to the bottom of the conveyance casing 2. A closed state that is closed from the outside of the casing 2, an open state that opens the opening 11 of the discharge port 10 </ b> C to the outside, and a swing mechanism that drives the cover 31 between the closed state and the open state And 50. The swing mechanism 50 is a drive mechanism of the present invention.

  The drive mechanism that opens and closes the lid 31 includes only the swing mechanism 50, and includes a moving mechanism that moves the lid 31 downward so as to be separated from the outer surface of the transport casing 2. You may comprise so that a rocking drive may be carried out after the downward movement.

  The discharge port 10C is formed in a U-shaped cross section when viewed in the transport direction, and is formed in a rectangular shape when viewed from the side. The lid 31 is formed in a bowl shape so as to close the discharge port 10C from the outside, and four ribs 31A are formed to ensure strength (see FIGS. 2B and 2C).

  The swing mechanism 50 is disposed on the downstream side in the transport direction with respect to the discharge port 10 </ b> C and supports a pair of first shafts that support the swing shaft 51 so that the swing shaft 51 is orthogonal to the axis of the transport casing 2 in plan view. 1 bracket 53, a piston cylinder mechanism 60 that drives the cover 31 to swing around the swing shaft 51, and a piston cylinder mechanism 60 that is disposed downstream of the discharge port 10C in the transport direction. And a second bracket 56 that is movably supported (see FIGS. 2B and 2C).

  The 1st bracket 53 and the 2nd bracket 56 are extended and formed from the support part 55 welded to the outer periphery of the conveyance casing 2 in the downstream from the discharge port 10C. Further, a pair of support plates 33 are formed to extend downward on the downstream side in the transport direction of the lid body 31 and swing so as to pass through the openings formed in the pair of support plates 33 and the pair of first brackets 53, respectively. The moving shaft 51 is spanned (see FIGS. 2B and 2C).

  A pair of support plates 57 are formed to extend below the second bracket 56, the piston cylinder mechanism 60 is supported so as to be swingable around the swing shaft 58, and the tip of the piston shaft 61 provided in the piston cylinder mechanism 60 is a lid. A swinging shaft 62 is attached to a mounting portion 32 extending at the center lower portion of the body 31 so as to be swingable. In the present embodiment, the piston cylinder mechanism 60 is constituted by an air cylinder driven by compressed air, but may be constituted by a hydraulic cylinder mechanism or an electric power cylinder mechanism (see FIGS. 2B and 2C). ).

  As described above, the swing shaft 51 is supported by the first bracket 53 disposed on the downstream side in the transport direction with respect to the discharge port 10C, and the second bracket 56 is also disposed on the downstream side in the transport direction with respect to the discharge port 10C. The lid body 31 is driven to swing around the swing shaft 51 between an open state and a closed state by a piston cylinder mechanism 60 supported so as to be swingable via a swing shaft 58.

  Since the piston cylinder mechanism 60 is swingably supported by the second bracket 56 via the swing shaft 58, the action point P1 of the lid body 31 by the piston cylinder mechanism 60 is concentric with the swing shaft 51 of the lid body 31. The lid 31 can be oscillated and biased so as to be positioned above (see FIGS. 3A and 3C).

  Further, the swing shaft 51 is supported on the first bracket 53 so as to be movable along a long hole 54 inclined obliquely upward toward the transport casing 2, and the lid 31 is swung in an open state by the piston cylinder mechanism 60. When it is driven dynamically, the swing shaft 51 moves downward along the long hole 54, and when the lid body 31 is driven to swing in the closed state by the piston cylinder mechanism 60, the swing shaft 51 is moved into the long hole 54. It is comprised so that it may move upward along (refer Fig.3 (a)-(d)).

  When the lid 31 swings around the swing shaft 51, the swing shaft 51 moves below the long hole 54 formed in the first bracket 53, so that the dimensional accuracy of the swing mechanism and the cover varies. Even if it exists, it can be smoothly opened / closed and swung without causing a twist between the lid 31 and the transport casing 2 (see FIGS. 3C and 3D).

  Further, when the lid 31 is driven to swing from the open state to the closed state by driving the piston cylinder mechanism 60, the cover 31 is swung while the swing shaft 51 is positioned below the long hole 54. Finally, the lid 31 can be brought into close contact with the transport casing 2 with high accuracy by pressing and moving the swing shaft 51 upward along the long hole 54 (see FIGS. 3A and 3B).

  When the lid 31 is driven to swing in the closed state by the piston cylinder mechanism 60, an elastic member that is a spring that biases the swing shaft 54 so that the swing shaft 51 moves upward along the long hole 54. 70 is bridged between the swing shaft 51 and the second bracket 56.

  The swinging shaft 51 is pressed by the elastic member 70 so that the swinging shaft 51 swings in a state where the swinging shaft 51 is positioned above the elongated hole 54 at the initial stage when the cover 31 swings from the closed state to the open state. The swinging shaft 51 swings in a state where it swings from the open state to the closed state, and the swinging shaft 51 is pressed by the elastic member 70 when approaching the closed state. The lid 31 comes into close contact with the transport casing 2.

  In addition, when the sending casing 2 is installed with the up-gradient which inclines upwards along a conveyance direction, although it is preferable to mount the elastic member 70, it is not essential.

  A discharge port 10C for dropping the object to be conveyed is formed at the bottom of the transfer casing 2, and the lid 31 swings between a closed state in which the discharge port 10C is closed by the swing mechanism 50 and an open state in which the discharge port 10C is opened. Since it is driven, even if the object to be conveyed that is conveyed inside the conveyance casing 2 accumulates on the lid 31 in the closed state, the object to be conveyed easily falls when the lid 31 is driven to swing in the open state. Therefore, the object to be transported does not adhere to the lid 31, and even if the object to be transported adheres to the lid 31, the opening / closing operation of the lid by the swing mechanism 50 does not occur.

  A convex surface portion (not shown) is preferably formed on the inner surface of the lid 31 so that the inner surface of the lid 31 and the inner surface of the transport casing 2 are flush with each other in the closed state. If comprised, the to-be-conveyed object conveyed within the conveyance casing 2 will not accumulate on the cover body 31 of a closed state.

  That is, when a convex surface portion having a thickness equivalent to the thickness of the transport casing 2 is formed, the inside of the transport casing 2 is closed in a closed state in which the discharge port 10C is closed so that the lid 31 is closed from the outside of the transport casing 2. A conveyance surface in which the surface and the convex surface portion of the lid 31 are smoothly continuous is formed.

  It can comprise with metal materials, such as SS and SUS, as a material which comprises the conveyance casing 2, the conveyance mechanism 20, the cover body 31, etc. which were mentioned above.

  As indicated by a broken line arrow in FIG. 4, when the cover body 31 shifts from the closed state to the open state, the cover mechanism jumps out in the transport direction by the inertial force that acts on the transported object transported in the transport casing 2 by the transport mechanism 20. Even in this case, the object to be conveyed is received by the inner surface of the lid body 31 that is driven to swing around the swing shaft that is disposed on the downstream side in the transport direction with respect to the discharge port 10 </ b> C, and is transported along the inner surface of the lid body 31. Since the object falls directly below, the object to be transported falling from the discharge port 31 stably falls directly below without scattering into the container 40.

  Similarly, even if the object to be conveyed that is fixed to the screw blade 22 and conveyed downstream falls to the discharge port 10 </ b> C on the way, the object to be conveyed is received by the inner surface of the lid body 31, and along the inner surface of the lid body 31. Thus, since the object to be transported falls directly below, similarly, the object to be transported falling from the discharge port 31 is stably dropped directly below without scattering into the container 40.

  That is, when the swing shaft 51 is disposed downstream in the transport direction with respect to the discharge port 10C, the lid 31 receives the object to be transported falling from the discharge port 10C in the open state and guides the drop to a predetermined position. To function as a part.

  The maximum swing angle φ of the lid body 31 is preferably set to be larger than the repose angle of the transported object, and the transported object that has dropped from the discharge port 10 </ b> C does not accumulate on the inner surface of the cover body 31. It will fall.

The above-described transport device 1 is configured to be automatically controlled by a control device in which a microcomputer or the like is incorporated.
As shown in FIG. 5, the control device includes a level sensor LS such as an optical sensor that is installed above each side of the discharge mechanisms 30 </ b> A, 30 </ b> B, and 30 </ b> C and detects the height of the object to be transported that has dropped into the container. Is output.

  When the control apparatus transfers the dried sludge, which is an object to be transported, to the container 40, the upstream discharge mechanisms 30A and 30B are closed, and the most downstream discharge mechanism 30C is shifted to the open state. Is configured to allow conveyance (see FIG. 1).

  When the level sensor LS detects that the height of the conveyed object that has fallen into the region corresponding to the discharge mechanism 30C in the container 40 has reached a predetermined height, the central discharge mechanism 30B is controlled to be opened. As a result, the object to be transported is dropped into an area of the container 40 corresponding to the discharge mechanism 30B.

  Similarly, when the level sensor LS detects that the height of the conveyed object that has fallen into the region corresponding to the discharge mechanism 30B in the container 40 has reached a predetermined height, the discharge mechanism 30A on the most upstream side is detected. Is controlled to the open state, and the conveyed object is dropped in the region corresponding to the discharge mechanism 30A in the container 40.

  When a similar level sensor LS detects that the height of the conveyed object that has fallen into the region corresponding to the discharge mechanism 30A in the container 40 has reached a predetermined height, the conveyance mechanism is stopped after a predetermined time has elapsed. All the discharge mechanisms 30A, 30B, 30C are shifted to the closed state.

  In this way, the objects to be transported are evenly deposited on the container 40, so that the manual leveling work becomes unnecessary and the container can be transported by the arm roll car as it is.

  In the above-described embodiment, the example in which the discharge mechanisms 30A, 30B, and 30C are provided on the downstream side in the transport direction along the transport casing 2 has been described. However, the installation position of the discharge mechanism is not limited to the downstream side in the transport direction. You may form along the conveyance casing 2 in the center part of the conveyance direction. A configuration in which a plurality of containers 40 are installed along the transfer casing 2 can be handled. The number of discharge mechanisms is not limited and may be set as appropriate according to the size of the container. Further, the most downstream discharge mechanism 30C may have the same configuration as the upstream discharge mechanisms 30A and 30B.

  As described above, the swing opening and closing device of the present invention can be used for opening and closing the lid of devices other than the transport device, and includes a lid that opens and closes a discharge port formed in the bottom of the casing, A swing opening / closing device configured with a swing mechanism for swinging the lid body about the swing shaft between a closed state in which the outlet is closed and an open state in which the discharge port is opened. Just do it.

  That is, the swing mechanism includes a first bracket that supports the swing shaft so that the swing shaft is orthogonal to the axis of the casing in plan view, and a piston cylinder that swings the lid around the swing shaft. And a second bracket for swingably supporting the piston cylinder mechanism, and the swing shaft is movably supported along an elongated hole formed in the first bracket and inclined obliquely upward toward the casing. When the lid is swing-driven to the open state by the piston cylinder mechanism, the swing shaft moves downward along the elongated hole, and when the lid is swing-driven to the closed state by the piston cylinder mechanism, the swing is What is necessary is just to be comprised so that a moving shaft may move upwards along a long hole.

  In addition, an elastic member for biasing the swing shaft is provided so that the swing shaft moves upward along the elongated hole when the lid is swing-driven by the piston cylinder mechanism. Is preferred.

  As mentioned above, although embodiment of this invention was described, this invention is not limited by this description, The specific shape, size, material, etc. of each part are suitably changed in the range with which the effect of this invention is show | played. Needless to say, it can be designed.

1: Transport device 2: Transport casing 10: Input mechanism 10A: Input port 10C: Discharge port 11: Opening 20: Transport mechanism 21: Rotating shaft 22: Screw blades 30A, 30B, 30C: Discharge mechanism 31: Lid 40: Container 50: swing mechanism 51: swing shaft 53: first bracket 56: second bracket 60: piston cylinder mechanism 70: elastic member

Claims (11)

A transport casing provided with a loading mechanism on one end side, a screw-type transport mechanism for transporting a transported object thrown from the charging mechanism along the transport casing, and the transport along the transport direction of the transported object A plurality of discharge mechanisms provided at the bottom of the casing, and a transport device comprising:
The discharge mechanism has a closed state in which the opening of the discharge port for dropping and discharging the object to be conveyed to the bottom of the transfer casing is closed from the outside of the transfer casing, and the open state of the discharge port is opened to the outside. A transport device including a lid and a drive mechanism that drives the lid between the closed state and the open state.   The transport apparatus according to claim 1, wherein the discharge port is formed in a U-shaped cross-section when viewed in the transport direction and a rectangular shape when viewed from the side, and the lid is formed in a bowl shape that closes the discharge port.   The drive mechanism is configured by a swing mechanism that swings the lid body about a swing shaft between the closed state and the open state, and the swing shaft is downstream in the transport direction with respect to the discharge port. The transport apparatus according to claim 1, wherein the transport device is disposed on a side and functions as a guide unit that receives a transported object that is dropped from the discharge port in the opened state and guides the transported object to a predetermined position. The swing mechanism is
A first bracket that is disposed on the downstream side in the transport direction with respect to the discharge port and supports the swing shaft so that the swing shaft is orthogonal to the axis of the transport casing in plan view;
A piston-cylinder mechanism that swings and drives the lid around the swing shaft;
A second bracket that is disposed downstream of the discharge port in the transport direction and supports the piston cylinder mechanism in a swingable manner;
The conveyance apparatus in any one of Claim 1 to 3 comprised by providing. The swing shaft is formed on the first bracket and is supported so as to be movable along a long hole inclined obliquely upward toward the transfer casing.
When the lid body is driven to swing in the open state by the piston cylinder mechanism, the swing shaft moves downward along the elongated hole,
5. The transport device according to claim 4, wherein the swing shaft is moved upward along the elongated hole when the lid body is driven to swing in the closed state by the piston cylinder mechanism.   An elastic member that biases the swing shaft is provided so that the swing shaft moves upward along the elongated hole when the lid body is driven to swing in the closed state by the piston cylinder mechanism. The conveying apparatus according to claim 5.   The said conveying casing is a conveying apparatus in any one of Claim 1 to 6 installed in the up-gradient which inclines upwards gradually along a conveyance direction.   The transport apparatus according to claim 1, wherein the maximum swing angle of the lid is set to be larger than the repose angle of the transported object.   The convex part is formed in the inner surface of the said cover body so that the inner surface of the said cover body and the inner surface of the said conveyance casing may become flush | planar in the said closed state. Conveying device. A lid that opens and closes a discharge port formed at the bottom of the casing, and a swing that drives the lid to swing around a swing shaft between a closed state that closes the discharge port and an open state that opens the discharge port A swing opening and closing device comprising a mechanism,
The swing mechanism is
A first bracket that supports the rocking shaft so that the rocking shaft is orthogonal to the axis of the casing in plan view;
A piston-cylinder mechanism that swings and drives the lid around the swing shaft;
A second bracket for swingably supporting the piston cylinder mechanism;
With
The swing shaft is formed on the first bracket and is supported so as to be movable along a long hole inclined obliquely upward toward the casing.
When the lid body is driven to swing in the open state by the piston cylinder mechanism, the swing shaft moves downward along the elongated hole,
A swinging opening and closing device configured to move the swinging shaft upward along the elongated hole when the piston cylinder mechanism is driven to swing the lid in a closed state.   An elastic member that biases the swing shaft is provided so that the swing shaft moves upward along the elongated hole when the lid body is driven to swing in the closed state by the piston cylinder mechanism. The swing opening / closing device according to claim 10.

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