JPH0759302B2 - Sample loading / unloading device in sample dryer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention is to receive, dry, select,
It is applied to a grain drying adjustment facility that is shipped through each storage process, and a sample for voluntary verification, which is a part of the received grain, is carried into a dedicated sample dryer for drying, and after drying The present invention relates to a sample loading / unloading device for discharging the sample.

(Prior Art) Conventionally, a sample for voluntary inspection, which collects a part of the received grain from each producer, is stored in a sample box, and an operator transports the sample box to a sample dryer and stores it. . Then, when the drying was completed, the sample box was taken out from the sample dryer, and the sample was voluntarily tested.

(Problems to be Solved by the Invention) Therefore, conventionally, there has been a problem that it is necessary to store the voluntary assay sample in the sample dryer and to discharge the sample from the sample dryer.

Therefore, an object of the present invention is to automate such storage and discharge, thereby saving labor.

(Means for Solving Problems) In order to achieve this object, the present invention has the following configuration.

That is, the invention according to claim 1 is a sample dryer for arranging a large number of drying chambers in the longitudinal and lateral directions, and accommodating a drying box containing a sample for voluntary assay in each of the drying chambers to dry the sample, A sample receiving unit for receiving the sample before drying in the drying box, and a sample discharging unit for discharging the sample after drying from the drying box, respectively, and a drying box for receiving the sample in the sample receiving unit,
The sample carry-in means transports the sample from the sample receiving part to the target loading / unloading position in the drying chamber, and when the loading / unloading position is reached, loads the dry box into the target drying chamber. The target dry box is carried out from the drying chamber to its carry-in / out position, and the carry-out dry box is carried from the carry-in / out position to the sample discharge section, and the sample in the dry box is brought to the sample discharge section. And a sample discharging means for discharging.

The invention according to claim 2 is the sample receiving section,
Also, the respective positions of the sample discharge part are made to coincide with the carry-in / out positions of the predetermined drying chambers.

(Operation) In the invention according to claim 1, when the sample receiving hopper 17 stores the sample for voluntary assay as shown in FIG. 1, the drying box 3 which receives the sample receives the target drying from the sample receiving section. It is conveyed to the loading / unloading position of the chamber 2, where the drying box 3 is loaded into the target drying chamber 2. Therefore, the sample is dried in the drying chamber 2 while remaining in the drying box 3.

On the other hand, dry box 3 containing the dried sample
Is carried out from the drying chamber 2 to the loading / unloading position and is also transported from the loading / unloading position to the upper part of the sample discharging hopper 18, which is the sample discharging portion, where the sample in the drying box 3 is in the sample discharging hopper 18. Is discharged to.

Next, in the invention according to claim 2, the respective positions of the sample receiving section where the drying box 3 receives the sample before drying and the sample discharging section where the sample is discharged from the drying box 3 containing the sample after the completion of drying, For example, as shown in FIG. 4, the drying boxes 3 of the respective drying chambers 2 are made to coincide with the loading / unloading positions, so that the hardware and software required for controlling the drying boxes can be reduced.

(Embodiment) FIG. 1 is a perspective view showing the overall configuration of an embodiment of the present invention, and FIG. 2 is a right side view thereof.

In the figure, reference numeral 1 denotes a sample dryer, and a plurality of drying chambers 2 for drying a sample for voluntary verification are formed vertically and horizontally, and a drying box 3 having a net-like bottom is housed in each drying chamber 2. Further, in each of the drying boxes 3 housed in each of the drying chambers 2, hot air passes from the bottom to the top so that the sample for voluntary verification in the drying box 3 is dried.

Reference numeral 4 denotes a sample loading / unloading device for loading the voluntary assay sample into each of the drying chambers 2 of the sample dryer 1 and unloading the voluntary assay sample from the drying chamber 2 after the completion of drying. It consists of.

5A and 5B are a pair of upper and lower running rails, which are arranged in front of and in front of the sample dryer 1 in parallel with each other in the X direction (left and right direction). Sliding members 6A and 6B are slidably mounted on the traveling rails 5A and 5B, respectively, and a rack 7 is mounted on the sliding members 6A and 6B.

An X-direction transport motor 8 is fixed to the sliding member 6B, a gear 9 is attached to the shaft of the motor 8, and the gear 9 is used as a traveling rail.
Engage with rack 10 along the side of 5B. With such a configuration, the rack 7 can be moved in the X direction by the forward and reverse rotations of the X-direction transport motor 8.

Reference numeral 11 denotes a carrier table having a through hole penetrating the rack 7, the hole penetrating the rack 7 and a Y-direction carrying motor 12 mounted thereon. Then, a gear 13 is attached to the shaft of the motor 12 so that the gear 13 meshes with the rack 7.
With such a configuration, the transport table 11 can be moved in the Y direction by the forward / reverse rotation of the Y-direction transport motor 12.

Reference numeral 14 is a linear motor mounted on the carrier 11 and capable of moving the shaft 14A in the Z direction (front-back direction).
The rotary actuator 15 which rotates by a degree is fixed, and the electromagnet 16 for adsorbing the drying box 3 is further fixed to the tip thereof. Therefore, the electromagnet 16 can rotate 180 °.

A limit switch LS1 for detecting that the shaft 14A has moved forward and has adsorbed the drying box 3 to the shaft 14A of the linear motor 14,
And limit switches LS2 for detecting that the shaft 14A has retracted and returned to the original position. An air cylinder may be used instead of the linear motor 14.

Reference numeral 17 denotes a sample receiving hopper that temporarily receives and stores the sample for voluntary verification before being dried in the drying chamber 2 of the sample dryer 1. Reference numeral 18 denotes a sample discharge hopper that discharges the sample for voluntary verification after the completion of drying in the drying chamber 2.

Next, regarding the control system of the embodiment configured in this way,
It will be described with reference to the drawings.

In the figure, reference numeral 20 is a control circuit for controlling each part according to a predetermined procedure, and is composed of, for example, a known microcomputer.

On the input side of the control circuit 20, in addition to the operation command section 21 for starting the operation command, the limit switches LS1 and LS2,
The X-direction position detection sensor 22 and the Y-direction position detection sensor 23, which detect the positions of the X-direction and the Y-direction of 11, that is, the number of rotations of the motors 8 and 12, respectively, are connected. The operation command unit 21 may not be provided in particular, and a sample collection completion signal may be input from a sample collecting device (not shown).

The output side of the control circuit 20 has motors 8, 12 and
Motor drive circuits 24 to 26 for driving 14 are connected, and an electromagnet 16 is connected.

Next, an operation example of the embodiment thus configured will be described.

Here, the fixed position of the carrier table 11 is set to the position shown in FIG. 1, and each position corresponding to each drying chamber 2 of the sample dryer 1 is specified in advance by the XY coordinates with this fixed position as the origin. To do.

Now, when the sample for voluntary inspection collected by the sample collecting device is stored in the sample receiving hopper 17, the carrier table 11 waiting at a fixed position moves the X direction carrier motor 8 to the target carry-in / out position of the drying chamber 2. And the Y-direction transport motor 12 is driven to move. Here, since the target drying chamber 2 is specified in advance by the coordinates, the X of the carrier table 11 is
Since the amount of movement in the Y direction and the amount of movement in the Y direction are also known, the motors 8 and 12 rotate according to the amount of movement.

Then, when the carrier 11 is stopped at the target loading / unloading position of the drying chamber 2, the linear motor 14 is driven next, the shaft 14A thereof starts to move forward, and the limit switch LSI is actuated to stop. Here, when the electromagnet 16 provided at the tip of the shaft 14A and the empty dry box 3 are brought into contact with each other and the electromagnet 16 is energized, the dry box 3 is attracted to the electromagnet 16.

In this state, the linear motor 14 is driven and its shaft 14A starts to move backward, and when the limit switch LS2 operates, it stops in the state shown in FIG.

Next, the empty dry box 3 is transported toward the sample receiving hopper 17 by the movement of the transport table 11, and stops at a position just below the hopper 17. Here, the discharge valve of the hopper 17 opens,
A sample for voluntary verification is put into the dry box 3.

When the loading is completed, the drying box 3 is again transported to the above-described target drying chamber 2 by the transport table 11, where the linear motor is
When the shaft 14A of 14 advances and the drying box 3 is accommodated in the drying chamber 2, the electromagnet 16 is de-energized and the shaft 14A moves backward. After that, the carrier 11 moves to a fixed position, where it is in a standby state.

Through such a series of operations, the sample receiving hopper 17
The voluntary assay samples stored therein are put into the drying box 3 and then sequentially stored in the target drying chamber 2, and the respective samples are dried.

When the drying of the sample for voluntary verification is completed, the carrier 11 starts moving toward the target loading / unloading position of the drying chamber 2 and stops at that position. Where the linear motor
While driving 14 and energizing the electromagnet 16, the drying box 3 containing the dried sample is adsorbed and pulled out from the drying chamber 2.

Next, the dry box 3 is transported toward the sample discharge hopper 18 by the movement of the transport table 11 and stopped at a position looking into the entrance of the hopper 18. Here, when the rotary actuator 15 rotates 180 °, the drying box 3 integrated with the rotary actuator 15 rotates 180 °.
It is thrown in in 18. The sample put into the hopper 18 is subjected to a voluntary test in the next step.

Next, another embodiment of the present invention will be described with reference to FIG.

In this embodiment, the sample dryer 1 is configured similarly to FIG. 1, and the positions of the respective drying chambers 2 are specified by the X and Y coordinates as shown in the figure.

Further, in this embodiment, the drying box 3 is made to match the sample receiving part for receiving the sample before drying with the loading / unloading position of the predetermined drying chamber 2 specified by the coordinates (X ₁ , Y ₁ ), Directly above this position is the sample receiving hopper 17
Is provided so that the discharge port can be seen at the loading / unloading position.

Further, in this embodiment, the sample discharging section for discharging the sample from the drying box 3 containing the sample after the drying is a predetermined drying chamber 2 specified by, for example, coordinates (X ₁₆ , Y ₅ ).
The sample discharge hopper 18 is provided directly below this position so that its receiving port can be seen at the loading / unloading position.

With this configuration, the movement range of the carrier 11 is within the drying chamber 2.
Since it is limited to the range of the number of arrangements and the control may be performed so as to move within that range, the control becomes easier as compared with the embodiment of FIG. 1 and the cost required for software and hardware can be reduced.

(Effect of the invention) As described above, in the invention according to claim 1, the voluntary assay sample is carried into the drying chamber of the sample dryer without manual labor, and is carried out from the drying chamber after completion of drying. Since it did so, labor saving at the time of drying a sample for voluntary tests can be achieved.

Further, in the invention according to claim 2, since the respective positions of the sample receiving portion and the sample discharging portion are made to coincide with the loading / unloading positions of a predetermined drying chamber, the hardware and software required for controlling the drying box are reduced. It is possible to reduce those costs.

[Brief description of drawings]

FIG. 1 is an overall perspective view of an embodiment of the present invention, FIG. 2 is a right side view thereof, FIG. 3 is a block diagram of its control system, and FIG. 4 is a view for explaining another embodiment of the present invention. . 1 is a sample dryer, 2 is a drying chamber, 3 is a drying box, 4 is a sample loading / unloading device, 8 is an X-direction transport motor, 11 is a transport base, 12 is a Y-direction transport motor, 14 is a linear motor, 15 Is a rotary actuator, 16 is an electromagnet, 17 is a sample receiving hopper, 18 is a sample discharging hopper, and 20 is a control circuit.

Claims (2)

[Claims] 1. A sample dryer in which a plurality of drying chambers are arranged in the vertical and horizontal directions, and a drying box containing a voluntary assay sample is housed in each of the drying chambers to dry the sample. Is provided with a sample receiving section for receiving the dry box and a sample discharging section for discharging the sample after drying from the dry box, and the dry box receiving the sample in the sample receiving section,
The sample carry-in means transports the sample from the sample receiving part to the target loading / unloading position in the drying chamber, and when the loading / unloading position is reached, loads the dry box into the target drying chamber. The target dry box is carried out from the drying chamber to its carry-in / out position, and the carry-out dry box is carried from the carry-in / out position to the sample discharge section, and the sample in the dry box is brought to the sample discharge section. A sample loading / unloading device comprising: 2. The sample loading / unloading device for a sample dryer according to claim 1, wherein the respective positions of the sample receiving section and the sample discharging section are aligned with the loading / unloading positions of the predetermined drying chambers.