JP3318653B2 - Milling machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a small-sized mill used for milling cereals such as rice, wheat, soybeans, corn, dried mushrooms, boiled, eggshell, dried shrimp, tea leaves, and raw materials for herbal medicines. It is about.

[0002]

2. Description of the Related Art Conventionally, as a milling machine of this type, there is known a structure in which an object to be ground such as cereals is ground by a grinding unit comprising a fixed grinding machine and a rotating grinding machine.

[0003]

However, in the above-mentioned conventional structure, the operation from the outside is very troublesome in adjusting the crushing gap between the fixed crusher and the rotary crusher. Has the disadvantage that the properties are reduced.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to solve such a problem, and in the invention according to the first aspect of the present invention, an object to be ground is charged. A hopper portion, a crushing portion including a fixed crusher and a rotary crusher capable of crushing the material to be crushed put into the hopper portion, a driving portion for rotating the rotary crusher, and the crushing portion. And a discharge unit for discharging the crushed material. The rotary crusher is detachably attached to the rotary crusher.
The main shaft that rotates
Insert the slide cylinder into the bearing cylinder member so that it can slide up and down
A fixed crusher faces the bearing cylinder member above the rotary crusher.
Form the crushing gap between the surfaces and mount the
The bearing cylinder is arranged so that it can move close to and away from the constant crushing machine.
Groove-shaped inclined cam section extending in the vertical direction on the member
Then, an operation shaft is screwed onto the slide cylinder, and the operation shaft is
A camshaft part is formed in the middle part so that it can be slidably fitted to the slope cam part.
And characterized by being configured by arranging a scan潰間gap adjusting mechanism to be潰間gap consisting adjustable the cam shaft and the slant cam portion between the fixed to潰盤with the rotation to潰盤and In the flour mill.

[0005] In the invention according to claim 2,
The slide cylinder is moved to the bearing cylinder by the tightening rotation of the operation shaft.
The crushing gap is provided so as to be adjustable while being fixed to a material .

[0006]

1 to 21 show an embodiment of the present invention, which is roughly divided into a hopper section 1, a crushing section 2, a driving section 3, a discharging section 4, and a machine section section 5. In this case, the machine base 5 is configured by attaching a leg frame 5b to a machine base plate 5a.

As shown in FIG. 2, the hopper section 1 has a funnel-shaped inlet cylinder 1b formed in an upper case body 1a of three case bodies 1a, and an upper inlet 1c of the inlet cylinder 1b. A lid member 1d that can be opened and closed is attached, and an insertion hole 1e is formed in the lid member 1d, through which a pushing member (not shown) for pushing the object W to be crushed downward can be inserted.

The crushing section 2 is composed of a fixed crushing plate 6 and a rotary crushing plate 7, and the surface of the fixed crushing plate 6 is provided with crushed uneven strips 6.
a is formed, and the surface of the rotary crusher 7 has crushed irregularities 7a.
Are formed, and the rotary crusher 7 is configured to be rotated by the drive unit 3.

In this case, as shown in FIGS. 2 and 6, the machine base plate 5a
The middle base plate 5c is arranged on the separation shaft 5d on the
The bearing cylinder member 8 is installed vertically, and the slide cylinder 8 is mounted on the bearing cylinder member 8.
a into the sliding cylinder 8a so that the bearing 8
b, a main shaft 9 is vertically installed rotatably, a rotary crusher 7 is removably mounted on the main shaft 9 via a mounting / dismounting mechanism 10, and a fixed crusher is mounted on the bearing tube member 8 above the rotary crusher 7. 6 is formed by forming a crushing gap H between the opposing surfaces. In this case, as shown in FIGS.
And an upper opening groove 8d reaching the annular fitting groove 8c.
The upper opening groove 8 is formed on the outer periphery of the fixed crusher 6.
d, a fitting flange 6b capable of being fitted into the annular fitting groove 8c so as to be fitted from above, a stopper 8e abutting on the fitting flange 6a is formed on the bearing cylinder member 8, and the fixed crusher 6 is mounted on the bearing cylinder. The member 8 is provided so as to be detachable by a swivel-fitting action of the annular fitting groove 8c and the fitting flange 6a.

The attachment / detachment mechanism 10 is shown in FIGS.
A rotation transmission mechanism 13 including a transmission pin 11 and a transmission fitting portion 12 for transmitting rotation between the main shaft 9 and the rotary crusher 7.
And a locking pin 14 for locking the main shaft 9 and the rotary crusher 7.
And a locking mechanism 16 including a locking portion 15,
In this case, two transmission pins 11 protrude from the main shaft 9 and a hole-shaped or groove-shaped transmission fitting portion 12 into which the transmission pin 11 can be inserted and removed from the rotary crusher 7. In addition, an insertion hole 17 is formed in the upper part of the main shaft 9 and a lock rod 18 whose lower end is insertable into the insertion hole 17 at the upper end of the rotary grinder 7 so as to be slidable up and down. A conical body 19 is attached to the upper end of the lock rod 18 so that the lock rod 18 can be elastically pressed downward so that the rotary crusher 7 can be reduced or deformed by its own weight or an external force when the upper end of the lock rod 18 is lifted. A possible spring member 20 is provided, and a fitting hole 21 that can be fitted externally to the main shaft 9 is formed on the rotary crusher 7 and a locking portion 15 is formed on the inner peripheral surface of the fitting hole 21. Further, three locking holes 23 extending from the inner peripheral surface of the insertion hole 17 to the outer peripheral surface of the main shaft 9 are formed in the main shaft 9. Outer end is inserted through the locking pin 14 can be fitted freely project and retract back and forth to the locking portion 15 to Rutotomoni locking hole 23, hemispherical receiving portion inner end of the locking pin 14 1
4a and a tapered pressing portion 18a capable of pressing the pressure receiving portion 14a is formed at the lower end of the lock rod 18, and the locking pin 1 is formed on the locking portion 15 when the rotary crusher 7 is lifted.
4 is formed with a tapered surface-like returning portion 15a for pressing the outer end portion of the locking pin 14 so as to be immersed therein. Further, a friction cylinder 25 is slidably provided at the bottom of the insertion hole 17, and the friction cylinder 25 A spring 25a that is weaker than the spring member 20 to be pushed up is provided,
The pressure receiving portion 14a of the locking pin 14 is formed by the upper surface of the friction cylinder 25.
To prevent the floating movement of the locking pin 14.

When the rotary crusher 7 is to be removed in the use state shown in FIG. 13, when the conical body 19 provided at the upper end of the lock rod 18 is lifted, the transmission pin 11 is engaged with the transmission fitting. Only the lock rod 18 is retracted from the portion 12 and slid upwardly by reducing and deforming the spring member 20 by its own weight of the rotary crusher 7, whereby the locking pin 14 can be retracted inward and retracted. At the same time, the outer end of the locking pin 14 is pressed against the outer end of the locking pin 14 by the tapered return portion 15a of the locking portion 15, and the locking pin 14 enters and retracts in the locking hole 23. When the rotary crusher 7 can be detached from the main shaft 9 as described above, and when the rotary crusher 7 is mounted on the main shaft 9, the upper end Cone 19 provided in the part
When the fitting hole 21 is externally fitted to the outer peripheral surface of the upper end portion of the main shaft 9, the transmission pin 11 is inserted into the transmission fitting portion 12 and the pressure receiving portion 14 a at the inner end of the locking pin 14 is The pressing portion 18a at the lower end of the lock rod 18 protrudes and is pressed,
The outer end of the locking pin 14 can be fitted into the locking portion 15, and the tip of the locking pin 14 is fitted into the locking portion 15.

Numeral 26 denotes a grinding gap adjusting mechanism, which is provided with the rotary grinding machine 7 so as to be movable toward and away from the fixed grinding machine 6. The main shaft 9 for rotating the rotary crusher 7 is moved by the cam shaft portion 27 and the inclined cam portion 28 and tightened. 6, 8 and 9, a groove-like inclined cam portion 28 extending obliquely in the vertical direction on both opposing surfaces of the bearing tube member 8 as shown in FIGS.・ 2
8, a female screw portion 30 is formed on both opposing surfaces of the slide cylinder 8a, and a cam shaft portion 27 which can be slidably fitted to one of the inclined cam portions 28 is formed at a middle portion of the operation shaft 29, Operation axis 2
9 is used as a screw portion, and a female member 3 is interposed between the outer peripheral surface of the bearing sleeve member 8 and the operation shaft 29 with a piece member 31 interposed therebetween.
0, and a guide shaft portion 32 that can be slidably fitted to the other sloped cam portion 28 is screwed and fixed to the other female screw portion 30, and the sloped cam portion 28 is fixed to the middle case body 1a. Escape hole 3 having the same shape and allowing the operation shaft 29 to protrude outward.
3 is formed. It should be noted that a structure in which the position of the operation shaft 29 is fixed by a spring pressure brake mechanism may be used instead of the screw fixing structure of the operation shaft 29.

When the operating shaft 29 is moved along the inclined cam portion 28 after the operating shaft 29 is relaxed and rotated, the main shaft 9 and the slide cylinder 8a are operated by the inclined cam action of the cam shaft portion 27 and the inclined cam portion 28. The crushing machine 7 also moves up and down together with this, whereby the crushing gap H between the fixed crushing machine 6 and the rotating crushing machine 7 is changed and adjusted. , The bearing cylinder member 8 is composed of the bridge member 31 and the slide cylinder 8.
and the rotary crusher 7 is fixed in position.

The fixed crushing plate 6 and the rotary crushing plate 7 are provided at the center of the fixed crushing plate 6 as shown in FIGS.
4 is fixedly erected, and the introduction receiving cylinder 34 is connected to the introduction cylinder 1b to form an introduction path 35, and a step-like coarse grinding blade 34a is formed on the inner peripheral surface of the introduction receiving cylinder 34 so as to protrude by four rows. On the surface of the fixed crushing machine 6, crushing irregularities 6a are formed, and on the inner side of the fixed crushing machine 6, a plurality of introduction grooves 6b capable of introducing the crushed object W into the crushing gap H are formed. In addition, in the rotary crusher 7, an introduction receiving cylinder 36 is integrally erected at the center portion, and a step-like coarse grinding blade 36 a is formed on the outer peripheral surface of the introduction receiving cylinder 36 so as to project by four rows. The surface of the rotary crusher 7 has crushed irregularities 7a.
In other words, in this case, the crushing irregularities formed by continuously forming a plurality of concave grooves M and convex portions F extending from the inside to the outside on the board surfaces of the fixed crushing board 6 and the rotary crushing board 7. 6a ・ 7a
And the groove surfaces of the concave grooves M of the crushed concave and convex strips 6a and 7a are formed into arcuate groove surfaces as shown in FIGS. That is, formed in the fixed to潰盤D and rotated to潰盤substantially triangular V-shaped groove where the groove surfaces of the formed grooves C to B has a corner bottom C ₁ of FIG. 22 shows a conventional proposed structure It is different from what you have.

In this case, as shown in FIG.
Of the crushing irregularities 7a are divided into eight crushing areas A by eight muscle base lines L inclined at a predetermined angle rearward in the rotation direction with respect to the radial line K of the rotary crushing machine 7, and each crushing area A A is formed with a groove pattern based on a plurality of base lines G parallel to the muscle base line L in the direction of rotation and sequentially spaced apart by a predetermined arrangement pitch in A. Are formed with the same groove pattern as the crushing irregularities 7a of the rotary crusher 7, so that the crushing irregularities 6a of the fixed crusher 6 and the crushing irregularities 7a of the rotary crusher 7 As shown in FIG. 20, an arc-shaped groove surface of the concave groove M is formed by an arc R having a radius of 2 mm to 3 mm, and the stripes are formed as shown in FIG. The base line L is inclined rearward in the rotational direction with respect to the radius line K of the rotary grinding machine 7 by an inclination angle θ = 8 degrees to 2 degrees. Line that degree tilt, in this case, theta = 15
And the arrangement pitch P between the plurality of base lines G is 1.5 mm to 2.5 mm.

As shown in FIGS. 2 and 6, the drive section 3 has a rotation motor 37 mounted on the lower surface of the machine base plate 5a, and a drive gear 37a mounted on a main shaft of the motor base plate 5a. An intermediate gear 38 is attached to the base plate 5b by an intermediate shaft 38a, and a driven gear 39 is attached to the lower end of the main shaft 9;
The main shaft 9 is rotated by the rotation motor 37 via the respective gears 37a, 38 and 39, and the driven gear 39 slides on the tooth surface of the intermediate gear 38 together with the main shaft 9 when adjusting the grinding gap H. It is configured to be.

In this case, as shown in FIGS. 2 and 7, the discharge portion 4 forms an arc-shaped discharge port 4a in the bearing cylinder member 8 and the middle case body 1a so as to face the crushing gap H. A brush body 4b protrudes from the crushing machine 7, a discharge recess 4c is formed in the middle case body 1a, and a take-out container 40 is detachably provided in the discharge recess 4c.

Reference numeral 41 denotes a shutter member, which is provided so as to be able to open and close an introduction path 35 between the hopper section 1 and the crushing section 2.
And an interlocking mechanism 42 for interlocking the opening and closing operation of the shutter member 4 with the interlocking mechanism 42.
A displacement difference absorbing mechanism 4 capable of absorbing a displacement difference from the opening / closing operation 1
3 are arranged.

The interlocking mechanism 42 and the displacement difference absorbing mechanism 43 apply a frictional force between the lid member 1d side and the operation link 44 side for moving the shutter member 41 forward and backward, thereby enabling mutual interlocking. In addition, a friction member 45 capable of releasing the mutual linkage by allowing the sliding by a force greater than the frictional force is provided. In this case, as shown in FIGS. 14 to 19, a raised bearing is provided on the upper surface of the case body 1a. The bearing 46 is integrally formed with the cover member 1d, and two bearings 47, 47 on which the raised bearing 46 can be interposed, are integrally formed. A fulcrum shaft 48 is provided between the bearings 47, 47 to form a case body. 1a raised bearing portion 46
The shaft cylinders 49, 49 are loosely fitted on both sides of the shaft, and the raised bearing 46 is mounted on the fulcrum shaft 48 via the shaft cylinders 49, 49.
8, the base tube portion 44 a of the operation link 44 is fitted into the middle portion, and each side surface of the base tube portion 44 a of the operation link 44 and the shaft tube 4.
A friction member 45 is interposed between the opposed surfaces 9 and 49, and the friction member 45 is formed into a shape in which irregularities are repeated at a plurality of radial positions on the circumferential seating surface of the flat washer, and is called a so-called wave washer having spring elasticity. A wavy washer is used. Of course, as the friction member 45, a friction member 45 that performs another slip clutch action such as a slip ring or a spring washer having spring elasticity against an axial compressive load can be used. The shaft cylinders 49 and the bearings 47.4 are formed by the member 45.
7 and the base cylindrical portion 44a of the operating link 44
A frictional force is always applied between each side surface of the shaft cylinder 49 and the opposing surfaces Q of the shaft cylinders 49, 49.
0, the above-mentioned shutter member 41 is rotatably supported by a rotating shaft 51 in a bearing hanging part 50, and an opening / closing part 41 a capable of opening and closing the introduction path 35 is formed at the tip of the shutter member 41. A connecting rod 52 is hung between the base 41b and the operating link 44.

In the closed state shown in FIGS. 14 and 19, the lid member 1d is connected to the fulcrum shaft 4 as shown by the imaginary line in FIG.
When the cover member 1d is opened at the beginning of the opening movement of the lid member 1d, the shaft cylinders 49.4 and 49.4 due to the resilient frictional action of the friction member 45 are provided.
9 between the opposing surfaces of the bearing 9 and the bearing portions 47 and the operating link 4
The operation link 44 rotates in the direction of the arrow due to the frictional force generated between each side surface of the base cylinder portion 44a of FIG. 4 and the opposing surface Q of the shaft cylinder 49, and is interlocked with the rotation of the operation link 44. 1
7, from the open state of FIG. 18 to the closed state of FIG. 19, the shutter member 41 closes and pivots around the pivot 51, and
When the shutter member 41 abuts against the stopper surface 35a on the inner surface of the introduction path 35 to complete the closing, and when the lid member 1d is further operated to the open angle, the shaft cylinders 49 and 49 and the bearing portion 47 by the elastic force frictional action of the friction member 45. .47 between the opposing surfaces Q and the side surfaces of the base tube portion 44a of the operating link 44 and the shaft tubes 49.4
9, a force higher than the frictional force generated between the opposing surfaces Q is applied,
Therefore, the sliding of the lid member 1d is allowed between the opposing surfaces Q, and the interlocking of the lid member 1d and the operation link 44 can be released, and the lid member 1d is opened by about 100 degrees and stands up. Conversely, when the lid member 1d is operated at the closing angle, at the beginning of the closing movement of the lid member 1d, the gap Q between the opposing surfaces of the shaft cylinders 49 and the bearing portions 47 and 47 and the operating link by the elastic frictional action of the friction member 45. Each of the side surfaces of the base tube portion 44a of 44 and the shaft tube 49
The operation link 44 is rotated in reverse by the frictional force generated between the opposing surfaces Q of the shutter 49, and the shutter is changed from the closed state in FIG. 19 to the open state in FIGS. The member 41 pivots open around the pivot 51, and the operating link 44 contacts the stopper surface 35b formed on the case body 1a to complete the opening operation of the shutter member 41, and further closes the lid member 1d by the closing angle. When operated, the gap Q between the opposing surfaces of the shaft cylinders 49, 49 and the bearings 47, 47 due to the resilient frictional action of the friction member 45 and the opposing surfaces of each side surface of the base cylinder 44a of the operating link 44 and the shaft cylinders 49, 49. A force equal to or greater than the frictional force generated between the gaps Q is applied, allowing the lid member 1d to slide between the opposing surfaces Q, and releasing the interlocking of the lid member 1d and the operation link 44, whereby the lid member can be released. 1d
The difference in displacement between the opening and closing operation of the shutter member 41 and the opening and closing operation of the shutter member 41 can be absorbed.

Since this embodiment has the above configuration,
Grains W such as rice, wheat, soybeans, corn and the like, dried mushrooms, boiled dried eggshells, dried shrimp, tea leaves, raw materials of herbal medicines, etc., are put into the hopper 1 and the driving unit 3 rotates the grinder 7. 4 can be considered to be rotated counterclockwise in FIG. 4, in other words, the fixed crusher 6 can be considered to be relatively rotated counterclockwise in FIG. While being crushed by the crushing gap H of the crushing portion 2 composed of the crushing machine 7, the crushed material W is sent outward with centrifugal force while being crushed, and the crushed material W is discharged from the discharge portion 4. At this time, the rotary crusher 7 is disposed so as to be movable toward and away from the fixed crusher 6 so that the crushing gap H between the rotary crusher 7 and the fixed crusher 6 can be adjusted. Since the crush gap adjusting mechanism 26 composed of the simple cam shaft 27 and the inclined cam 28 is provided, the structure is simple. Te, be rotated and fixed to 潰盤 6 潰盤 7
Can easily be adjusted, the degree of pulverization can be easily adjusted, and the desired particle size can be easily milled.

In this case, the grinding gap adjusting mechanism 26 connects the main shaft 9 for rotating the rotary grinding plate 7 to the cam shaft 27.
And an operating shaft 29 that can be moved by the inclined cam portion 28 and fixed in position by tightening rotation.
9, the crushing gap H can be adjusted by the position fixing operation of the rotation and the tightening or loosening rotation, so that the structure can be simplified and the operation shaft 29 can be easily operated from the outside. The operability of adjusting the particle size can be improved accordingly.

The present invention is not limited to the above embodiment, but includes a hopper section 1, a crushing section 2, a driving section 3, a discharging section 4, an interlocking mechanism 42, a cam shaft section 27, and a slope cam section 2.
8. The structure, form, material and the like of the operation shaft 29 are designed by appropriately changing.

[0024]

As described above, according to the first aspect of the present invention, the rotary crusher is detachably mounted.
The main shaft that rotates the rotary crusher can be freely rotated on the slide cylinder
The slide cylinder is vertically slidable on the bearing cylinder member.
Inserted inside and fixed to the bearing cylinder member above the rotary crusher
A mortar is mounted with a crushing gap formed between the opposing surfaces and
The crusher is arranged so that it can move closer to and away from the fixed crusher.
And a groove-shaped slope power extending obliquely up and down in the bearing cylinder member.
And a control shaft is screwed onto the slide cylinder.
A cam which can be slidably fitted to the inclined cam portion at the middle portion of the operation shaft.
Forming a shaft portion configured by arranging to潰間gap adjusting mechanism to be潰間gap consisting adjustable the cam shaft and the slant cam portion between the fixed to潰盤with the rotation to潰盤Therefore, it is possible to easily adjust the crushing gap between the fixed crushing machine and the rotating crushing machine with a simple structure, easily adjust the degree of crushing, and easily mill the desired particle size. It can be performed.

In the invention according to claim 2,
The slide cylinder is moved to the bearing cylinder by the tightening rotation of the operation shaft.
The crushing gap is adjustable and fixed to the material
Thus, the grinding gap can be adjusted by turning the operating shaft and fixing the position of the tightening or loosening rotation, so that the structure can be simplified and the operating shaft can be easily operated from the outside. The operability of adjusting the particle size can be improved.

As described above, the intended purpose can be sufficiently achieved.

[Brief description of the drawings]

FIG. 1 is an overall side view of an embodiment of the present invention.

FIG. 2 is a partial longitudinal sectional view of the embodiment of the present invention.

FIG. 3 is a partially exploded perspective view of the embodiment of the present invention.

FIG. 4 is a front view of the rotary crusher according to the embodiment of the present invention.

FIG. 5 is a front view of the fixed crusher according to the embodiment of the present invention.

FIG. 6 is a partial longitudinal sectional view of the embodiment of the present invention.

FIG. 7 is a partial plan sectional view of the embodiment of the present invention.

FIG. 8 is a partial plan sectional view of the embodiment of the present invention.

FIG. 9 is a partial front view of the embodiment of the present invention.

FIG. 10 is a partial plan sectional view of the embodiment of the present invention.

FIG. 11 is a partial plan sectional view of the embodiment of the present invention.

FIG. 12 is a partially exploded sectional view of the embodiment of the present invention.

FIG. 13 is a partial cross-sectional view of the embodiment of the present invention.

FIG. 14 is a partial sectional view of the embodiment of the present invention.

FIG. 15 is a plan view of the embodiment of the present invention.

FIG. 16 is a partial plan sectional view of the embodiment of the present invention.

FIG. 17 is a partial perspective view of the embodiment of the present invention.

FIG. 18 is a partial plan sectional view of the embodiment of the present invention.

FIG. 19 is a partial plan sectional view of the embodiment of the present invention.

FIG. 20 is a partial sectional view of a rotary crusher according to an embodiment of the present invention.

FIG. 21 is an explanatory sectional view of a crush gap portion according to the embodiment of the present invention.

FIG. 22 is an explanatory sectional view of a crushing gap portion of the preceding proposed structure.

[Explanation of symbols]

 W Material to be crushed H Crush gap 1 Hopper section 2 Crush section 3 Drive section 4 Discharge section 6 Fixed crusher 7 Rotary crusher8 Bearing tube member 8a Slide tube  26 Crush gap adjusting mechanism 27 Cam shaft 28 Slope cam 29 Operation shaft

Claims (2)

(57) [Claims] 1. A hopper into which an object to be crushed is charged, a crushing unit comprising a fixed crusher and a rotary crusher capable of crushing the object to be crushed into the hopper; A driving unit for rotating the plate, and a discharge unit for discharging the crushed material crushed by the crushing unit, wherein the rotary crushing plate is
A main that is detachably mounted and rotates the rotary crusher
The shaft is rotatably mounted vertically on the slide cylinder, and the slide cylinder is
It is inserted inside the receiving cylinder member slidably up and down, and
Grinding gap between the opposing surfaces with the fixed crusher placed above the crusher
Forming and mounting the rotary crusher against the fixed crusher
To be able to move close to and away from each other.
Forming a groove-like inclined cam portion extending in the direction,
The operating shaft is screwed onto the
Su潰which forms a sliding fit camming shaft portion arm portion consisting be潰間the cam shaft adjustable for gap, and the inclined surface cam portion between said rotational be潰盤and fixed to潰盤A flour mill characterized by comprising a gap adjusting mechanism. 2. The sliding mechanism according to claim 1, wherein
Adjust the crushing gap by fixing the cylinder to the bearing cylinder member.
The flour mill according to claim 1, wherein the flour mill is provided so as to be able to be knotted .