JPH0611088Y2 - Mixer - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a mixer for uniformly mixing an appropriate amount of fertilizer and / or chemicals into ground soil for raising seedlings, ground soil used as cover soil, for example. .

[Prior art and its problems] Conventionally, as a means for uniformly mixing an appropriate amount of fertilizer and / or chemicals with ground soil for raising seedlings, ground soil used as covering soil, fertilizer is used for ground soil contained in a container. The chemicals were added and the crushed soil was manually stirred to homogenize the two. With such a means, a lot of human power is required during a busy period of the seedling preparation period, and a lot of time is required, and there is a disadvantage that the compounding ratio of the both varies, which affects seedling raising.

As a means for solving such a problem, the applicant of the present invention has proposed a uniform mixer as Japanese Patent Application No. 63-49192. However, this method has a problem that the mixing of the crushed soil and the fertilizer in the rotary stirring cylinder is not uniform and that the environment of the workplace is polluted by the rising of the crushed soil.

The object of the present invention is to dispose a plurality of stirring plates on the inner wall of a rotary stirring cylinder at appropriate intervals, so that the mixing ratio of crushed soil and fertilizer, chemicals, etc., and uniform mixing can be more effectively performed. Another object of the present invention is to provide a mixer capable of further shortening the time, saving the labor, and conserving the work environment.

[Means for Solving the Problems] The configuration of the present invention for solving the problems of the prior art has a hopper 7 in which a screw transfer body having a large transport amount is mounted on the machine frame in a substantially horizontal posture on the lower bottom. Along with the provision, a hopper 17 having a transport discharge mechanism with a small transport amount is provided on the upper side of the machine frame, and the delivery section of the transport release mechanism and the delivery end of the screw transfer body are communicated with each other through a drop flow path. And a rear portion of the rotary stirring cylinder having a substantially horizontal posture with an open front surface communicating with the delivery end of the screw transfer body, and the inner wall of the rotary stirring cylinder along the substantially axial direction of the rotary stirring cylinder and rotating. A plurality of stirring plates having substantially the entire length of the stirring cylinder are provided at appropriate intervals, and a shield plate having a diameter smaller than the inner diameter of the rotating stirring cylinder is provided at the end of the rotating stirring cylinder near the opening. is there.

[Embodiment] Next, details of an embodiment of the present invention will be described with reference to the drawings.

1 is a vertical side view, FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1, FIG. 3 is a front view of a rotary stirring cylinder, FIG. 4, FIG. 5, FIG. 6, and FIG. FIG. 8 is a front view of a rotary stirring cylinder showing deformation of the stirring plate, FIG. 8 is a front view of an example in which the rotary stirring cylinder has a polygonal shape, and FIG. 9 is a vertical side view showing another example of the vertical flow path.

Reference numeral 1 denotes a machine frame, on both sides of the front end portion of the machine frame 1, leg rods 3 which pivotally support a rolling wheel 2 are provided at the lower end, and on both sides of the rear end portion of the machine frame 1, expansion and contraction are performed. A possible leg rod 4 is provided so that the front and rear axis of the machine frame 1 can be inclined downward or horizontal with respect to the ground by the expansion and contraction action of the leg rod 4. Reference numeral 5 in the figure is a cylinder rod for fitting the leg rod 4,
6 is a tightening bolt.

As shown in FIG. 2, at the rear part of the machine frame 1, there is mounted a large-capacity hopper 7 having a U-shaped cross section at the bottom and having a horizontal transfer cylinder 7a and containing crushed soil. There is.
A screw transfer body 8 having a large transfer amount is mounted on the transfer cylinder portion 7a of the hopper 7, and the diameter of the screw transfer body 8 and the diameter of the transfer cylinder portion 7a are substantially matched.
In addition, by adapting the circular hole 9 provided on the front wall of the hopper 7 to the diameter of the screw transfer body 8, the fixed amount of the ground material is conveyed while the ground material in the hopper 7 is ground by the circular hole 9. Is done. Further, a pulley 10 is provided on the rear end shaft portion 8a of the screw transfer body 8, and the pulley 10 and the pulley 12 of the motor 11 mounted on the machine frame 1 are connected by a belt 13 to connect the screw transfer body 8 to the screw transfer body 8. It is configured to be provided with rotary drive. 7b is an auxiliary hopper.

Reference numeral 14 is a rotary stirring cylinder having a substantially horizontal posture with an opening 14a formed on the front surface, and a window 14b is formed on the rear surface of the rotary stirring cylinder 14, and the delivery end of the screw transfer body 8 is passed through this window 14b. The portion and the lower end portion of the transfer cylinder portion 7a are inserted into the rotary stirring cylinder 14. The outer periphery of the front end portion of the rotary stirring cylinder 14 is supported by a plurality of guide wheels 15 axially supported by the machine frame 1 as shown in FIGS.
The tip shaft part 8b of the arm 16 is provided inside the rotary stirring cylinder 14.
The rotary stirring tube 14 is fixed to the front end of the rotary stirring tube 14 together with the screw transfer body 8. Reference numeral 17 denotes a small-capacity hopper provided on the upper side of the machine frame 1, and a fertilizer and / or a medicine is stored in the hopper 7. Then, a screw transfer body 18 having a small transfer amount is provided in a substantially horizontal position on the lower bottom portion of the hopper 17, and the contents are transferred in a direction opposite to the transfer direction of the screw transfer body 8. The delivery end of the transfer body 18 and the delivery end of the screw transfer body 8 are communicated with each other through a drop flow path 19 in a substantially vertical posture, and a small amount of fertilizer and / or, The medicine is dropped and supplied so as to be mixed.

In the above embodiment, the fertilizer or the like in the small-capacity hopper 17 is conveyed and dropped by the screw transfer body 18, but it is also possible to drop the fertilizer or the like that is about to fall by its own weight by a grooved roller or the like. As it is possible, it is not limited to what is shown. Further, although the conveying direction of the screw transfer body 18 is shown to face the conveying direction of the screw transfer body 8, fertilizer or the like may be supplied above the falling flow path 19 in a substantially vertical posture. The direction is not specified.

The motor 11 and the motor 20 of the screw transfer body 18
By adjusting the number of rotations of the screw transfer bodies 8 and 18, the mixing ratio of crushed soil and fertilizer can be adjusted arbitrarily, and further, the rotation of the screw transfer body 8 can be adjusted depending on the properties of the crushed soil. Of course.

Further, on the inner wall of the rotary stirring cylinder 14, a plurality of (four in this embodiment) stirring plates 21a are arranged at equal intervals along the axial direction of the rotary stirring cylinder 14 and have a length of substantially the entire length of the rotary stirring cylinder 14. It is provided in. The plate surface of the stirring plate 21a is along the radial direction of the rotary stirring cylinder 14 as shown in FIGS.
Further, as shown in FIG. 4, by providing a stirring plate 21b whose tip portion is slightly bent in the direction opposite to the rotating direction of the rotary stirring cylinder 14, the scooped up crushed soil is not removed and is effectively dropped. You can also For the same reason, as shown in FIG. 5, a stirring plate 21c having a receding angle with respect to the rotation direction of the rotary stirring cylinder 14 may be used. Further, as shown in FIG. 7, a stirring plate 21d having corrugated unevenness on the plate surface edges of the stirring plates 21a, 21b, 21c can be used to provide variation in the fall of scooped up crushed soil and stirring and mixing. You can also make it better. Further, as shown in FIG. 6, it is possible to attach the stirring plates 21a obliquely to each other so as to give the stirring plate 21a a certain conveying action, and this action is performed by the other stirring plates 21b, 21c, 21d. Can also be applied to.

Further, at the opening end of the rotary stirring cylinder 14, the opening 14a
A shielding plate 22 is arranged at the outer peripheral portion of the same, that is, leaving an outflow gap 14c for the mixed crushed soil. The shield plate 22 is a mounting plate 23.
Is attached to the rotary stirring cylinder 14 by means of the shield plate 22, and the shielding plate 22 is provided inside the vicinity of the opening of the rotary stirring cylinder 14 as shown by the solid line, or as shown by the phantom line at the open end. Mounted slightly outward. The shield plate 22 prevents the crushed soil that rises inside the rotary stirring cylinder 14 from flowing out, protects the working environment, and prevents the careless hand from being put inside the rotary stirring cylinder. , Is designed to improve safety.

Further, at least a lower part of the inside of the hopper 7 is provided with a crushed soil detector 24 for stopping the screw transfer body 18 which is the discharging mechanism of the hopper 17, so that the crushed soil in the hopper 7 is reduced and the crushed soil pressure is detected by the crushed soil detector. When it stops working on 24, the screw transfer body 18 is stopped, only the fertilizer and the chemical are discharged and supplied, and the balance of the proper mixing ratio with the crushed soil is disturbed,
This is to prevent the seedlings from being adversely affected. Further, a sensor 25 for stopping the rotation of the screw transfer body 8 is also provided in the lower inside of the hopper 17, so that the screw transfer body 8 is stopped or alarmed when there is no fertilizer or chemicals in the hopper. This is to prevent the balance of the proper mixing ratio from being lost. Further, the crushed soil detector 24 enables the screw transfer body 8 to be stopped, and the detector 25 allows the screw transfer body 8 to be stopped.
18 stops may be possible.

Further, as shown in FIG. 8, the cylindrical rotary stirring cylinder 14
Alternatively, the polygonal rotary stirring cylinder 14a may be used. In the case of a polygonal shape, since it is necessary to support the rotary stirring cylinder 14a by the guide wheel 15, the ring 26 provided on the outer periphery of the polygonal rotary stirring cylinder 14 is guided. FIG. 9 shows a modification of the vertical flow path 19, in which a flow path 19a having an elbow structure is provided in the lower part of the vertical flow path 19, and the discharge end of the flow path 19a is opened and communicated with the rotary stirring cylinder 14. .

[Effect of the Invention] According to the configuration of the present invention as described above, the following effects can be obtained.

(a) Fertilizers, chemicals, etc. are put into the crushed soil during the transportation by the screw transfer body, so that the stirring action is carried out by the transporting action, and in addition, the stirring action in the rotary stirring cylinder is taken into consideration, so that it is uniform. Mixing can be done in a short time.

(b) Since the crushed soil in the rotary stirring cylinder is scooped up by the stirring plate and then discharged and dropped, the crushed soil and the fertilizer and / or the chemicals are mixed more uniformly, and the preferred soil for soil and nursery soil is continuously grown. In addition to the above, the shielding plate prevents the crushed soil from rising and flowing out due to the action of the stirring plate in the rotary stirring cylinder, and the work environment can be efficiently maintained, which has a great hygienic effect.

(c) It is possible to significantly reduce the work time and save labor.

[Brief description of drawings]

1 is a vertical side view, FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1, FIG. 3 is a front view of a rotary stirring cylinder, FIG. 4, FIG. 5, FIG. 6, and FIG. FIG. 8 is a front view of a rotary stirring cylinder showing deformation of the stirring plate, FIG. 8 is a front view of an example in which the rotary stirring cylinder has a polygonal shape, and FIG. 9 is a vertical side view showing another example of the vertical flow path. DESCRIPTION OF SYMBOLS 1 ... Machine frame, 7 ... Hopper, 7a ... Conveying cylinder part, 8 ... Screw transfer body, 9 ... Circular hole, 14 ... Rotating stirring cylinder, 15 ... Guide wheel,
16 ... Arm, 17 ... Hopper, 18 ... Screw transfer body, 19
… Falling channels, 21a, 21b, 21c, 21d… Stirrer plates, 22… Shield plates.

Claims (1)

[Scope of utility model registration request] 1. A hopper (7) in which a screw transfer body having a large amount of conveyance is mounted on a machine frame in a substantially horizontal posture on a lower bottom portion.
In addition to the above, a hopper (17) having a transport discharge mechanism with a small transport amount is provided on the upper side of the machine frame, and the delivery portion of the transport delivery mechanism and the delivery end portion of the screw transfer body are provided as a fall channel. To communicate with the delivery end of the screw transfer body, while communicating the rear portion of the rotary stirring cylinder in a substantially horizontal posture with the front face opened, the inner wall of the rotary stirring cylinder, along the axial direction of the rotary stirring cylinder,
In addition, a plurality of stirring plates having a length of substantially the entire length of the rotary stirring cylinder are provided at appropriate intervals, and a shield plate having a diameter smaller than the inner diameter of the rotary stirring cylinder is provided at the end of the rotary stirring cylinder near the opening. A mixing machine characterized by that.