JPH0731103B2 - Grain test dryer - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention is mainly applied to rice, such as wheat, and is intended for use as a cargo receiving unit.
At a grain co-drying facility such as a rice center, a cantilever elevator, and a dry store, which is composed of a drying section, a storage section, a preparation and shipping section, etc., a sample grain of each consignment lot collected from a consignment weighing machine has a substantially constant water content. It relates to a grain test dryer with a large number of drying sample containers.

“Prior Art” The applicant of the present application has already disclosed in Japanese Patent Application No. 61-74431.
An application has been filed for a grain test dryer which is a means for automatically drying a sample grain.

"Problems to be solved by the invention" However, in the case of the above means, it is necessary to attach a shutter opening solenoid for discharging the sample grains in the sample container to all the sample containers. There were also problems financially.

[Means for Solving the Problems] Therefore, the present invention provides a feed transfer hopper for appropriately transferring the sample grains to be supplied to the dryer to a sample container position, and a charging and discharging of the sample grains in the sample container. A switching member for performing switching is provided, and the switching operation of the switching member is configured to be performed by a driving operation member provided in the moving hopper.

[Operation] Therefore, according to the present invention, it is possible to equip all of the sample containers with the same moving hopper without requiring the installation of the drive operation member for opening the discharge port of the sample container. The drive operation member enables the loading of sample grains into the sample container and the discharge of sample grains from the sample container, which is not only simple in structure but also convenient for maintenance and inspection. For this reason, it is possible to fully automate the series of operations from sending the sample grain to the dryer to taking it out by an extremely simple means. As a result, not only the test dryer but also the entire drying facility is economically labor-saving. Can be possible.

[Example] Hereinafter, an example of the present invention will be described in detail with reference to the drawings. First
The figure is a partial explanatory view of the test dryer, and Fig. 2 is an explanatory view of the entire facility. Sampled paddy is taken out from the cargo receiving and weighing section (1) and dried and voluntarily inspected. Load receiving hopper (2) to load and weigh this
And the raw rice from the hopper (2) on the conveyor (3) (4)
Coarse sorter (5) that removes straw waste etc.
And a load receiving and weighing machine (6) for storing and weighing the paddy from the rough selecting machine (5), an auto sampler (7) for collecting sample paddy for voluntary inspection by the load and receiving weighing machine (6), etc. According to the above, which constitutes the cargo receiving and weighing section (1), the weight and moisture of the paddy are continuously measured, and the paddy is transported from the drying section to the preparing and shipping section which conducts the hull sorting, and is prepared into brown rice. While being stored or shipped, the central control unit (9) connected to the office computing unit (8) receives the load (code) number from the load receiving operation panel (10) and the output from the weighing machine (6). It is configured to input the receipt data (paddy weight and water content).

Furthermore, a quantitative extraction device (11) for taking out sample paddy for voluntary inspection is provided, and a part of the raw paddy that has been weighed by the weighing machine (6) is taken out as a sample paddy through the autosampler (7). ), And a fixed amount (approximately 800 grams) of sampled rice uniformly extracted from the unprepared raw rice shipped to the test dryer (13) described later by the sample transfer device (12) for individual and cargo A certain amount of sample paddy is taken out to the sample transfer device (12) in the middle of this work for each lot to be shipped and weighed.

Also, a test dryer (13) for drying the suppled rice fed from the sample transfer device (12) to a substantially constant water content.
When the sample paddy is sent from the transfer device (12) to the dryer (13), the acceptance number of the sample paddy is read by a number reader, and the dried sample paddy is released when the sample paddy is released from the outlet (14). The acceptance number of the sample paddy is read by a number reader, and the moving position of the sample paddy is input to the centralized controller (9) via the operation panel (15).

Next, a manual take-out valve (17) for taking out the dried sample paddy sent out from the test dryer (13) through a sample transfer device (16) and a waiting box for temporarily holding the sample paddy from the dryer (13). (18), a voluntary inspection machine (19) that divides the sample paddy from the standby box (18) into sized (sized brown rice) and shavings (scraped rice), and measures the ratio of these, and the extraction valve. A switching valve (20) for directly sending the sample paddy from (17) to the self-inspection machine (19), and receiving the sample paddy when sending it to the standby box (18) and discharging it from the box (18). The number is input to the centralized controller (9) through the operation panel (21), and the dry sample paddy from the standby box (18) is transferred to the central controller (9) through the sample transfer device (22) and the quantification branch valve (23).
Only the amount (about 300 grams) necessary for one time self-inspection is put into the receiving hopper of the self-inspection machine (19), and the sample packing machine (24) seals and wraps excess dry sample paddy, and the bag has the consignment number. Print or attach the receipt number to the card and enclose this card in the bag and store it for retesting. Also, brown rice taken out from the self-inspection machine (19) is used as sample brown rice and a sample transfer device (25). It is sealed and packaged by the sample wrapping machine (26) through the bag, and the bag is printed with the receipt number based on the signal from the operation panel (27) of the self-inspection machine (19) and stored. The amount is input to the centralized controller (9), and this ratio is calculated and recorded.

As shown in FIGS. 3 to 5, the test dryer (1
3) is a large number of sample containers (29) that hold the sample paddy fed from the supply hopper (28) for each case, and the sample paddy fed from the supply hopper (28) into a predetermined sample container ( 29), a single feed transfer hopper (30), and two parallel transfer conveyors (30) for moving the sample paddy discharged from the sample container (29) after drying to one side in the dryer machine (31). 32), a discharge conveyor (33) for further moving the sample paddy from the transfer conveyor (32) to the delivery port (14), and an intake port (34) arranged in the lower part of the machine casing (31). The electric heater (36) for introducing hot air into the heater chamber (35) and the upper and lower communication ports (38) (39) for the hot air introduced into the heater chamber (35) to the upper drying chamber (37) inside the machine (31). ) Through the air duct (40),
An exhaust fan (42) for sucking and discharging the air in the drying chamber (37) to the outside through the discharge port (41), and when the water content of the sample paddy in the sample container (29) is dried to a set state. The conveyor (32) (33) is used to take out to the outside of the delivery port (14).

As shown in FIG. 6, the sample containers (29) are formed in a substantially regular tetrahedron shape and are arranged on the holding plate (43) in a grid pattern, and the upper end of the container (29) is held by the holding plate (43). ) It is provided so as to be flush with the upper surface. Then, the container (29) has an upper side surface portion and one side surface portion of the four side surface portions opened (44), and a net body (45) is stretched on the lower side surface portion to oppose the left and right side surface portions (29a).
(29a) is attached to the holding plate (43) by the rotating shaft (46) and the bearing (4
The container (29) is rotatably supported via a pin (48) (49) between the left and right side surfaces (29a) and the holding plate (43), and the container (29) is pivotally supported (7). 50) is stretched, and forward / reverse reversing members (51) (52) for reversing the container (29) about 90 ° forward and backward are provided on the left and right side surfaces (29a) of each shaft (51a).
(52a) is fixed and these reversing members (51) (5
Push rods (53) (54), which are switching members for pressing 2) from above, are attached to the holding plate (43) via the return spring (55) and the guide member (56), respectively, and are attached to the container (29). The container (29) is maintained in a receiving state in which the net body (45) is exposed to the bottom surface and the top surface is opened at the time of loading the sample paddy or in a dry state, while one of the reversing members (at the time of discharging the sample paddy ( The container (29) is centered on the shaft (46) by pressing the push rod (53) against the 51).
Is rotated about 90 ° to maintain the container (29) in a discharge position so that the opening (44) faces downward and the sample paddy in the container (29) is dropped downward. Further, when the container (29) is ready to be discharged, the container (29) is rotated about the shaft (46) about 90 ° by pressing the push rod (54) against the other reversing member (52). The push rod (5
3) This container (29) with the alternative pressing operation of (54)
The input port and the discharge port are switched by the single opening (44). In addition, (43a) is a shield plate of the holding plate (43) that covers the opening (44) of the one side surface of the container (29) when the container (29) is ready to be received,
The springs (50) are provided on both side edges (45a) (45b) of the mesh body (45) when receiving and discharging the container (29) at the lower end of the shield plate (43a) and the upper surface of the holding plate (43). It is provided as a stopper at the time of receiving and discharging by contacting and holding by force.

On the other hand, the moving hopper (30) is a machine (31) supported by a traveling mechanism (57) so as to be vertically and horizontally movable, and a pair for moving and guiding the hopper (30) in the vertical direction (direction of arrow a). The vertical feed chains (58) (58) of the chain (58) (58) are arranged on the left and right sides of the machine (31) via the drive sprockets (59) and the driven sprockets (60), and the chains (58) (58) are driven by gears. By the vertical feed motor (62) via the transmission mechanism (61), the hopper (30) is vertically moved integrally with the lateral feed guide body (63) connected to the chains (58) (58). Is configured as follows.

Further, a lateral feed chain (64) for guiding the hopper (30) in the lateral direction (arrow b direction) is driven by a sprocket (65).
And a lateral feed motor (67) mounted on the guide body (63) to stretch the chain (64) by driving the chain (64) via the driven sprocket (66). 30) is provided so as to move in the lateral direction, and each motor is provided to move and guide the hopper (30) to a predetermined empty container (29) position based on a command signal output from the centralized controller (9). (62) and (67) are drive-controlled.

By the way, the hopper (30) has a shutter (68) at the bottom.
Is provided so that the sample paddy in the hopper (30) can be put into the container (29) when the shutter (68) is opened by operating the solenoid (69).
Further, a pair of motors (70) (71), which are drive operation members for pressing the push rods (53) (54), are integrally fixed to the hopper (30) via a frame (72), Gear case (73) for these motors (70) (71)
The hopper (30) is moved by vertically moving rod operating tools (75) (76) which are interlockingly connected with each other via a screw shaft (74) by driving these motors (70) (71).
The push rods (53) (54) at the moving position are appropriately pressed to switch the inlet and outlet of the container (29) at this position.

Further, in the sample paddy discharge gutter (77) interposed between the feed end portion of the discharge conveyor (33) and the feed outlet (14), the water content of the sample paddy taken out to the gutter (77) is contained. A plate-shaped moisture sensor (78) that detects changes in capacitance is installed. When the sample paddy has dried to the set water content value, it is taken out to the outside of the dryer (13) via the switching valve (79) and the set water content is set. When the value does not reach the value and the drying is insufficient, the reducing hopper (80) above the dryer (13), which is arranged diagonally to the supply hopper (28), transfers it to the original container (29) again via the moving hopper (30). It is provided so that it can be returned and dried again. Further, during such a reduction operation, the supply hopper (28)
When the rice is supplied to the paddy, the paddy (29) is put into the paddy prior to the paddy.

The operation panel (15) provided on one side of the dryer (13) is used to electronically display various data such as a personal name of the sample paddy being dried, remaining drying time, and empty container (29) position.

This embodiment is configured as described above, and is installed in a rice center, a cantilever elevator, a dry store, etc., and the raw rice harvested by the combine and the like is put into the cargo receiving hopper (2) for each individual and each cargo port, and Quantitative take-out device (11) from raw rice that has been weighed by the cargo receiving and weighing machine (6)
A certain amount of the homogenized sampled rice is taken out to the sample transfer device (12) through the, while the sampled rice of the transfer device (12) is dried by the test dryer (13) to the set water content, and the dried sample The sampled paddy is put into the self-inspection machine (19) to measure the leveled brown rice and the scrapped rice to calculate the ratio of these, and the central controller (9) controls the operation of each part based on the consignment number. Based on the self-inspection data of the sample paddy corresponding to the consignment number, the proportion of flat-polished rice by individual and shipping port is registered in the office computing unit (8).

During such work, the sample paddy put in the supply hopper (28) of the test dryer (13) is once received by the moving hopper (30) which is held at the lower position of the supply hopper (28) when the traveling is stopped normally. After that, the central controller (9)
The traveling mechanism (57) is operated based on a command signal from the moving hopper (30) to a predetermined empty container (29) position, and the hopper (30) moves to a predetermined container (29) position. When it reaches, the shutter (68) is opened by the operation of the solenoid (69), and the hopper (30) is placed in the container (29).
The sample paddy from is discharged. After that, the amount of heat set by the timer for moisture conversion at the time of receiving cargo is supplied by the amount of heat supplied by the hot air to evaporate the moisture and reduce the moisture content in the paddy to the set value. The sample paddy is discharged to the transfer conveyor (32) below the container (29). That is, the container (29) is kept in a receiving state in which the net body (45) faces downward and the opening (44) faces upward as shown in the state of FIG. 1 and FIG. 6A during normal loading and drying. When the motor (70) is driven, the reversing member (51) is pressed downward via the rod operating tool (75) and the push rod (53) to move the container (29) around the shaft (46). By rotating clockwise in FIG. 1, the spring (50) crosses the fulcrum and one side edge (45) of the mesh body (45).
When b) is held in contact with the upper surface of the holding plate (43) by its spring (50) force, the container (29) is switched to the discharge state in the B state with the opening (44) facing downward, and the container is switched. The sample paddy in (29) is discharged. By rotating the container (29) forward and backward by approximately 90 ° in this way, not only is the single opening (44) switched to the inlet or outlet of this container (29), but also
It is not necessary to use a shutter structure to close the discharge port, and it can be effectively used in this kind of dryer (13) in which a large number of these containers (29) are arranged.

On the other hand, in the sample paddy taken out to the sample paddy discharge gutter (77) through the conveyors (32) (33), the moisture content (78) of the sample paddy is detected, and the sample paddy that has reached the set water content is In the next step and the waiting box (18) or directly to the metering branch valve (23), the insufficiently dried sample rice that does not reach the set water content is changed over by the switching valve (79) and the reducing hopper (80). It is returned to the original container (29) again via the moving hopper (30), and the central controller (9) performs drying for the re-drying time calculated based on the detection value of the moisture sensor (78). The installation positions of the supply hopper (28) and the reduction hopper (80) are not limited.

[Effects of the Invention] As is clear from the above examples, according to the present invention, a large number of sample containers for drying the sample grains for each load receiving rod collected from the load receiving weighing machine (6) to a substantially constant water content ( 29)
In a test dryer (13) structure including: a supply transfer hopper (30) for appropriately transferring the sample grains supplied to the dryer (13) to a sample container (29) position,
The moving hopper (30) is provided with switching members (53) (54) for switching loading and unloading of sample grains in the sample container (29).
Since it is performed by the drive operation members (70) (71) provided in the container, for example, it is not necessary to install a shutter opening / closing drive mechanism for opening / closing the discharge port in all of the large number of containers (29), and the movement is performed. The same drive operation members (70) (71) provided in the hopper (30) can be used to open and close the discharge ports of all the containers (29), which can improve the structure and economical efficiency. Play.

[Brief description of drawings]

FIG. 1 is a partial explanatory view of a test dryer, FIG. 2 is an explanatory view of the entire facility, FIG. 3 is a sectional side view of the test dryer, FIG. 4 is a sectional front view of the same, FIG. The figure is a front explanatory view of FIG. (3) …… Receiving weighing machine (13) …… Test dryer (29) …… Sample container (30) …… Movement hopper (53) (54) …… Switching member (70) (71) …… Drive operation member

Claims (1)

[Claims] 1. A sample grain supplied to the dryer in a test dryer structure having a large number of sample containers for drying the sample grains for each of the receiving lots collected from the receiving and weighing machine to a substantially constant water content. Is provided to a sample container position, and a driving operation member that includes a switching member that switches between charging and discharging of sample grains in the sample container, and a switching operation of the switching member in the moving hopper. A test dryer for grains, characterized by being configured according to.