JP4140090B2 - Milling machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a small-sized flour mill used for milling processing of grains such as rice, wheat, soybeans, corn, dried mushrooms, boiled and dried, eggshell, dried shrimp, tea leaves, and herbal medicines.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, as this type of milling machine, one having a structure in which an object to be crushed such as cereal is pulverized by a crushing portion composed of a fixed crusher and a rotary crusher.
[0003]
[Problems to be solved by the invention]
However, in the above conventional structure, when the material to be crushed is introduced into the hopper part from the introduction port, the introduction path between the hopper part and the crushed part is open, so that the crushed part exhibits an exposed state. The rotary crusher may be in a rotating state, which has the disadvantage of lacking safety.
[0004]
[Means for Solving the Problems]
The present invention aims to solve such problems, and in the invention according to claim 1 of the present invention, a hopper portion into which a material to be crushed is charged, and the hopper portion. The crushed part composed of a fixed crusher and a rotary crusher capable of crushing the crushed object to be crushed, a driving unit for rotating the rotary crusher, and the crushed object crushed by the crushing part are discharged. A cover member that can open and close the inlet of the hopper, and a shutter member that can open and close the introduction path between the hopper and the crushing portion. And an interlocking mechanism for interlocking the opening / closing operation of the lid member and the opening / closing operation of the shutter member, and the interlocking mechanism can absorb a displacement difference between the opening / closing operation of the lid member and the opening / closing operation of the shutter member. the displacement difference absorbing mechanism disposed, displacement difference absorbing mechanism is set to the lid member A frictional force is applied by spring elasticity between a shaft cylinder that supports the fulcrum shaft and a base end portion that is fitted to the fulcrum shaft that is provided in an operation link for moving the shutter member forward and backward. A friction member is provided that enables mutual interlocking with the operating link and allows sliding by a force greater than the frictional force due to the spring elasticity to release the mutual interlocking between the lid member and the operating link. in mill characterized by comprising in.
[0005]
Further, in the invention of claim 2, wherein said friction member is characterized in that comprising a wave washer with a spring elasticity.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 to FIG. 21 show an embodiment of the present invention, which is roughly divided into a hopper part 1, a crushing part 2, a drive part 3, a discharge part 4, and a machine base part 5. In this case, the machine base part 5 is A leg frame 5b is attached to the machine base plate 5a.
[0007]
Further, as shown in FIG. 2, the hopper portion 1 is formed with a funnel-shaped introduction tube 1b in the upper case body 1a of the three case bodies 1a, and can open and close the inlet port 1c on the upper portion of the introduction tube 1b. A lid member 1d is attached, and an insertion hole 1e through which a pushing member (not shown) that pushes the object W to be crushed downward into the lid member 1d can be inserted is formed.
[0008]
The crushing portion 2 includes a fixed crusher 6 and a rotary crusher 7, and crushing irregularities 6 a are formed on the surface of the fixed crusher 6. Concave and convex strips 7 a are formed, and the rotary crusher 7 is configured to rotate by the drive unit 3.
[0009]
In this case, as shown in FIGS. 2 and 6, the intermediate base plate 5c is arranged on the machine base plate 5a by the separation shaft 5d, the bearing cylinder member 8 is provided vertically on the intermediate base plate 5c, and the slide cylinder is provided on the bearing cylinder member 8. 8a is inserted into the slide cylinder 8a so as to be slidable vertically, the main shaft 9 is vertically mounted on the slide cylinder 8a by a bearing 8b, and the rotary crusher 7 is detachably attached to the main spindle 9 via an attaching / detaching mechanism 10. The fixed crusher 6 is attached to the member 8 with the crushing gap H formed between the opposing surfaces above the rotary crusher 7. In this case, as shown in FIGS. An annular fitting groove 8c is formed, and four upper opening grooves 8d reaching the annular fitting groove 8c are formed, and the outer periphery of the fixed crusher 6 can be fitted into the upper opening groove 8d from above to make an annular fitting. A fitting rod 6b that can be fitted into the groove 8c is formed, and a stopper 8e that contacts the fitting rod 6a is formed on the bearing cylinder member 8, Teisu 潰盤 6 is constituted by detachably attached by swivel fitting removal action of the annular groove 8c and fitted collar 6a on the bushing member 8.
[0010]
12 and 13, the attaching / detaching mechanism 10 includes 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 the main shaft 9. The locking mechanism 16 includes a locking pin 14 and a locking portion 15 that are locked with the rotary crushing disk 7. In this case, two transmission pins 11 are formed to project from the main shaft 9 and the rotary crushing is performed. In this case, a hole-shaped transmission fitting portion 12 such as a hole shape or a groove shape into which the transmission pin 11 can be inserted and removed is formed, and an insertion hole 17 is formed in the upper portion of the main shaft 9 and the rotation is performed. A lock rod 18 whose lower end can be inserted into the insertion hole 17 is disposed on the crusher 7 so that the upper end protrudes and can be slid up and down, and a conical body 19 is attached to the upper end of the lock rod 18. When the upper end of the lock rod 18 is lifted, Alternatively, a spring member 20 that can be reduced and deformed by a pulling external force is provided, and a fitting hole 21 that can be externally fitted to the main shaft 9 is formed in the rotary crusher 7 and locked to the inner peripheral surface of the fitting hole 21. 3, and three locking holes 23 are formed in the main shaft 9 from the inner peripheral surface of the insertion hole 17 to the outer peripheral surface of the main shaft 9, and the outer end of the locking hole 23 is connected to the locking portion 15. A fitting pin 14 that can be inserted and retracted is inserted through the fitting pin 14 so that the semi-spherical pressure receiving portion 14 a can be formed at the inner end of the locking pin 14, and the pressure receiving portion 14 a can be pressed at the lower end of the lock rod 18. A taper-shaped pressing portion 18a is formed, and when the rotary crusher 7 is lifted to the locking portion 15, the outer end portion of the locking pin 14 is pressed and the locking pin 14 is retracted. 15a is formed, and a friction cylinder 25 is slidably provided at the bottom of the insertion hole 17, and the friction cylinder 25 is The weak spring 25a than the spring member 20 which bring to provided, and configured to prevent the floating of the locking pin 14 by repression pressure receiving portion 14a of the locking pin 14 by the upper surface of the friction tube 25.
[0011]
Thus, when the rotary crusher 7 is removed in the use state of FIG. 13, when the cone 19 provided at the upper end of the lock rod 18 is lifted, the transmission pin 11 is moved from the transmission fitting portion 12. Only the lock rod 18 is lifted and slid by reducing and deforming the spring member 20 due to the weight of the rotary crusher 7 while being pulled out, so that the locking pin 14 can be retracted inward and engaged. The outer end portion of the locking pin 14 is abutted and pressed by the taper-like return portion 15a of the locking portion 15 so that the locking pin 14 is retracted into and retracted from the locking hole 23, and as shown in FIG. The rotary crusher 7 can be removed from the main shaft 9, and when the rotary crusher 7 is attached to the main shaft 9, the rotary crusher 7 is provided at the upper end portion of the lock rod 18 when the locking pin 14 is immersed. The outer peripheral surface of the upper end portion of the main shaft 9 with the formed cone 19 When the fitting hole 21 is externally fitted, the transmission pin 11 is inserted into the transmission fitting portion 12, and the pressure receiving portion 14 a at the inner end portion of the locking pin 14 protrudes by the pressing portion 18 a at the lower end portion of the lock rod 18. When pressed, the outer end portion of the locking pin 14 can be fitted into the locking portion 15 and the distal end portion of the locking pin 14 is fitted into the locking portion 15.
[0012]
Reference numeral 26 denotes a crushing gap adjusting mechanism, in which the rotary crusher 7 is disposed so as to be movable toward and away from the fixed crusher 6, and between the rotary crusher 7 and the fixed crusher 6. The crushing gap H of the camshaft portion 27 and the inclined cam portion 28 are adjustable. The main shaft 9 for rotating the rotary crushing disc 7 is moved by the camshaft portion 27 and the inclined cam portion 28 and tightened and rotated. In this case, as shown in FIGS. 6, 8, and 9, groove-like inclined cam portions 28, 28 extending obliquely in the vertical direction are formed on both opposing surfaces of the bearing cylinder member 8. Formed on both opposing surfaces of the slide cylinder 8a, a cam shaft portion 27 slidably fitted to one inclined cam portion 28 is formed in the middle portion of the operation shaft 29, and the operation shaft A piece member 31 is interposed between the outer peripheral surface of the bearing tube member 8 and the operation shaft 29 with the tip of 29 as a screw portion. Then, a guide shaft portion 32 that can be screwed to one female screw portion 30 and can be slidably fitted to the other inclined cam portion 28 is screwed and fixed to the other female screw portion 30, and the case body at the middle portion. A clearance hole 33 that allows the operation shaft 29 to protrude outward is formed in the same shape as the inclined cam portion 28 in 1a. Instead of the screw fixing structure of the operation shaft 29, a structure in which the operation shaft 29 is fixed by a spring pressure brake mechanism can be used.
[0013]
When the operation shaft 29 is moved along the inclined cam portion 28 after the operation shaft 29 is loosely rotated, the cam shaft portion 27 and the inclined cam portion 28 act together with the main shaft 9 and the slide cylinder 8a. The rotary crusher 7 is also moved up and down, whereby the crushing gap H between the fixed crusher 6 and the rotary crusher 7 is changed and adjusted. When the operating shaft 29 is tightened and rotated after the change, the bearing cylinder The member 8 is clamped by the piece member 31 and the slide cylinder 8a, and the rotary crusher 7 is fixed in position.
[0014]
Further, as shown in FIGS. 2 to 5, the stationary crusher 6 and the rotary crusher 7 are fixedly provided with an introduction receiving cylinder 34 at the center of the fixed crusher 6. An introduction path 35 is formed by being connected to 1 b, and four rows of stepped coarse grinding blades 34 a are formed on the inner peripheral surface of the introduction receiving cylinder 34, and the crushing irregularities 6 a are formed on the surface of the fixed crusher 6. Are formed, and a plurality of introduction grooves 6b through which the object to be crushed W can be introduced into the crushing gap H are formed on the inner side of the fixed crusher 6. An introduction receiving cylinder 36 is erected integrally at the portion, and four rows of stepped coarse grinding blades 36 a are formed on the outer peripheral surface of the introduction receiving cylinder 36. The strips 7a are formed, that is, in this case, a plurality of concave grooves M and convex portions F extending outwardly from the inside are continuously formed on the surface of the stationary crusher 6 and the rotary crusher 7. To form a 潰凹 ridges 6a · 7a, and the groove surfaces of the groove M of the scan 潰凹 projections 6a · 7a, as shown in FIG. 20 and FIG. 21 are formed in an arc groove surface. That is, the groove surface of the concave groove C formed in the stationary and horizontal crusher D and B shown in FIG. 22 as the conventional proposed structure is formed into a substantially triangular V-shaped groove having a square bottom C _1. It is different from what it is.
[0015]
In this case, as shown in FIG. 4, the crush irregularities 7 a of the rotary crusher 7 are divided into eight stripe base lines L inclined at a predetermined angle rearward in the rotation direction with respect to the radial line K of the rotary crusher 7. And is formed with a groove pattern based on a plurality of base lines G that are parallel to the muscle base line L and forwardly spaced in a predetermined arrangement pitch in each crushing area A and parallel to the muscle base line L. Further, the crushing uneven strip 6a of the fixed crusher 6 is formed with the same groove pattern as the crushing uneven strip 7a of the rotating crusher 7, so that it rotates with the crushing uneven strip 6a of the fixed crusher 6. The crushing concave and convex strips 7a of the crushing plate 7 are symmetrically arranged with a crushing gap H between them, and as shown in FIG. 20, the arcuate groove surface of the concave groove M is an arc having a radius of 2 mm to 3 mm. And the above-mentioned muscle base line L with respect to the radial line K of the rotary crusher 7 as shown in FIG. A line inclined at an inclination angle θ = 8 degrees to 20 degrees backward in the rotation direction, in this case, θ = 15 degrees, and an arrangement pitch P between the plurality of base lines G is set to 1.5 mm to 2.5 mm. .
[0016]
2 and 6, the drive unit 3 has a rotation motor 37 attached to the lower surface of the machine base plate 5a, a drive gear 37a attached to the main shaft of the rotation motor 37, and the machine base plate 5a and the middle base plate 5b. The intermediate gear 38 is attached to the intermediate shaft 38a, the driven gear 39 is attached to the lower end portion of the main shaft 9, and the main shaft 9 is rotated by the rotation motor 37 via the gears 37a, 38, 39 and crushed. When the clearance H is adjusted, the driven gear 39 is configured to slide along the tooth surface of the intermediate gear 38 together with the main shaft 9.
[0017]
Further, 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, and the rotary crusher 7, a brush body 4b is projected, a discharge recess 4c is formed in the middle case body 1a, and an extraction container 40 is detachably disposed in the discharge recess 4c.
[0018]
Reference numeral 41 denotes a shutter member which is provided so as to be able to open and close the introduction path 35 between the hopper portion 1 and the crushing portion 2 and interlocks the opening / closing operation of the lid member 1d and the opening / closing operation of the shutter member 41. A mechanism 42 is disposed, and a displacement difference absorbing mechanism 43 capable of absorbing a displacement difference between the opening / closing operation of the lid member 1d and the opening / closing operation of the shutter member 41 is disposed in the interlocking mechanism 42.
[0019]
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, and enable mutual interlocking. A friction member 45 that allows sliding by a force equal to or greater than the frictional force and releases mutual interlocking is provided. In this case, a raised bearing portion 46 is provided on the upper surface of the case body 1a as shown in FIGS. Two bearing portions 47, 47 capable of interposing a raised bearing portion 46 are integrally formed on the lid member 1d, and a fulcrum shaft 48 is installed between the bearing portions 47, 47 to raise the case body 1a. The shaft cylinders 49 and 49 are loosely fitted on both sides of the bearing section 46, the raised bearing section 46 is pivotally mounted on the fulcrum shaft 48 via the shaft cylinders 49 and 49, and the operation link 44 is arranged in the middle of the fulcrum shaft 48. The base tube portion 44 a is inserted and the base tube portion 44 of the operation link 44 is inserted. A friction member 45 is interposed between the side surfaces of the tube cylinder 49 and the opposed surfaces of the shaft cylinders 49 and 49, and the spring elasticity is obtained by repeating irregularities at a plurality of radial positions on the circumferential seat surface of the plain washer as the friction member 45. Of course, a so-called wave washer called a wave washer is used. Of course, as the friction member 45, a friction member 45 that performs other slip clutch action such as a slip ring or a spring washer having spring elasticity against an axial compressive load is used. This friction member 45 can also be provided between the opposing surfaces Q of the shaft cylinders 49 and 49 and the bearing portions 47 and 47 and between the side surfaces of the base cylindrical portion 44a of the operating link 44 and the opposing surfaces Q of the shaft cylinders 49 and 49. A frictional force is always applied, a bearing hanging portion 50 is formed on the funnel-shaped introduction cylinder 1b, and the shutter member 41 is pivotally supported on the bearing hanging portion 50 by a turning shaft 51, whereby a shutter portion Are constituted by hung the connecting rod 52 between the base 41b and the operating link 44 of the shutter member 41 to form the openable closing portion 41a of the passage 35 in the tip 41.
[0020]
14 and 19, when the lid member 1d is moved at an opening angle around the fulcrum shaft 48 as indicated by an imaginary line in FIG. 14, the frictional friction of the friction member 45 is initially caused when the lid member 1d is opened. Actuated by the frictional force generated between the opposed surfaces Q of the shaft cylinders 49 and 49 and the bearing portions 47 and 47 due to the action and between the respective side surfaces of the base cylinder portion 44a of the operating link 44 and the opposed surfaces Q of the shaft cylinders 49 and 49. The link 44 rotates in the direction of the arrow, and in conjunction with the rotation of the operation link 44, the shutter member 41 pivots around the pivot shaft 51 from the open state of FIGS. 17 and 18 to the closed state of FIG. Then, 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 further, the lid member 1d is operated to open the angle, the shaft cylinders 49 and 49 and the bearings are caused by the elastic frictional action of the friction member 45. Part 47.4 Between the opposed surfaces Q and the side surfaces of the base cylinder portion 44a of the operating link 44 and the frictional forces generated between the opposed surfaces Q of the shaft cylinders 49, 49 are applied. The sliding of the member 1d is allowed, and the mutual interlocking between the lid member 1d and the operation link 44 can be released. The lid member 1d is raised by opening about 100 degrees, and conversely, the lid member 1d is closed. When the lid member 1d is moved at an angle, the distance Q between the opposed surfaces of the shaft cylinders 49 and 49 and the bearing portions 47 and 47 due to the elastic frictional action of the friction member 45 and the side surfaces of the base cylinder portion 44a of the operation link 44 are initially detected. The working link 44 is reversely rotated by the frictional force generated between the opposing surfaces Q of the shaft cylinders 49 and 49, and in conjunction with the reverse rotation of the operating link 44, the closed state of FIG. In the open state, the shutter member 41 pivots about the pivot shaft 51. When the operation link 44 comes into contact with the stopper surface 35b formed on the case body 1a to complete the opening operation of the shutter member 41, and the lid member 1d is further operated at the closing angle, the frictional member 45 causes the elastic frictional action. A force greater than the frictional force generated between the opposing surfaces Q of the shaft cylinders 49 and 49 and the bearing portions 47 and 47 and between the side surfaces of the base cylinder portion 44a of the operating link 44 and the opposing surfaces Q of the shaft cylinders 49 and 49. The lid member 1d is allowed to slide between the opposing surfaces Q, and the mutual interlocking between the lid member 1d and the operation link 44 can be released. Therefore, the opening / closing operation of the lid member 1d and the opening / closing operation of the shutter member 41 It is possible to absorb the difference in displacement.
[0021]
Since this embodiment is configured as described above, grains W such as rice, wheat, soybeans, corn and the like, dried mushrooms, boiled, eggshell, dried shrimp, tea leaves, Chinese herbal medicine raw materials, etc. are provided in the hopper 1. 4 and the drive unit 3 rotates the rotary crusher 7 counterclockwise in FIG. 4, in other words, it can be considered that the fixed crusher 6 is relatively rotated counterclockwise in FIG. The object to be crushed W is sent to the outside with centrifugal force while being crushed by the crushing gap H of the crushing part 2 composed of the fixed crusher 6 and the rotating crusher 7, and is crushed. In this case, a lid member 1d capable of opening and closing the insertion port 1c of the hopper 1 is disposed and introduced between the hopper 1 and the crushing portion 2. The shutter member 41 capable of opening and closing the path 35 is disposed, and the lid member 1d is opened and closed. An interlocking mechanism 42 for interlocking with the opening / closing operation of the shutter member 41 is disposed, and a displacement difference absorbing mechanism 43 capable of absorbing a displacement difference between the opening / closing operation of the lid member 1d and the opening / closing operation of the shutter member 41 is disposed in the interlocking mechanism 42. Since it is provided, the introduction path 35 can be closed by the shutter member 41 in conjunction with the opening operation of the lid member 1d, and external exposure of the crushed portion 2 can be prevented when the object to be crushed W is charged. And the safety against the rotary crusher 7 can be improved, and the introduction path 35 can be opened by the shutter member 41 in conjunction with the closing operation of the lid member 1d, thereby improving the operability. The displacement difference absorbing mechanism 43 can absorb the displacement difference between the opening / closing operation of the lid member 1d and the opening / closing operation of the shutter member 41, and the opening / closing angle and the shutter as the displacement of the opening / closing operation of the lid member 1d. It is possible to enhance the flexibility of the respective displacement of the turning angle of the opening and closing displacement of over member 41.
[0022]
Further, in this case, the displacement difference absorbing mechanism 43 applies a frictional force between the lid member 1d side and the operating link 44 side for moving the shutter member 41 forward and backward to enable mutual interlocking and the frictional force. Since the friction member 45 that allows sliding by the above force and can release the mutual interlocking is provided, the lid member 1d and the shutter member 41 are smoothly opened and closed by a so-called slip clutch structure. In addition, the operational comfort can be further enhanced, and the friction member 45 is made of a corrugated washer having spring elasticity, so that the structure can be simplified and the manufacturing cost can be reduced.
[0023]
The present invention is not limited to the above embodiment, and the structure, form, material, etc., of the hopper part 1, the crushing part 2, the drive part 3, the discharge part 4, the interlocking mechanism 42, and the displacement difference absorbing mechanism 43, etc. Are designed with appropriate changes.
[0024]
【The invention's effect】
As described above, according to the present invention, a lid member capable of opening and closing the charging port of the hopper portion is disposed and an introduction path between the hopper portion and the crushing portion is provided. A shutter member that can be opened and closed is provided, and an interlocking mechanism that interlocks the opening and closing operation of the lid member and the opening and closing operation of the shutter member is provided. The interlocking mechanism has a displacement difference between the opening and closing operation of the lid member and the opening and closing operation of the shutter member. Since a displacement difference absorbing mechanism capable of absorbing water is disposed, the introduction path can be closed by the shutter member in conjunction with the opening operation of the lid member, and when the material to be crushed is charged, Exposure can be prevented, safety against the rotary crusher can be increased, and the introduction path can be opened by the shutter member in conjunction with the closing operation of the lid member, improving operability. To the displacement difference absorption mechanism The displacement difference between the opening / closing operation of the lid member and the opening / closing operation of the shutter member can be absorbed, and the flexibility of each displacement of the opening / closing operation displacement of the lid member and the opening / closing operation displacement of the shutter member can be increased accordingly. In addition, the displacement difference absorbing mechanism is formed between a shaft cylinder that pivots a fulcrum shaft provided on the lid member and a base end portion that is fitted on the fulcrum shaft provided on an operation link that moves the shutter member forward and backward. A frictional force is applied to the lid member by a spring elasticity so that the lid member and the operating link can be interlocked with each other, and sliding is allowed by a force greater than a frictional force by the spring elasticity to allow the lid member and the operating link to move. since it formed by arranging a releasable friction member interlocking mutual and, by a so-called slip clutch structure, the lid member and the shutter member can be smoothly opened and closed, to increase further operation comfort That.
[0025]
In the invention according to claim 2, since the friction member is formed of a wave washer having spring elasticity, the structure is simple and the manufacturing cost can be reduced.
[0026]
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 an embodiment of the present invention.
FIG. 3 is a partially exploded perspective view of an embodiment of the present invention.
FIG. 4 is a front view of a rotary crusher according to an embodiment of the present invention.
FIG. 5 is a front view of a fixed crusher according to an embodiment of the present invention.
FIG. 6 is a partial longitudinal sectional view of an embodiment of the present invention.
FIG. 7 is a partial plan sectional view of an embodiment of the present invention.
FIG. 8 is a partial plan sectional view of an embodiment of the present invention.
FIG. 9 is a partial front view of an embodiment of the present invention.
FIG. 10 is a partial plan sectional view of an embodiment of the present invention.
FIG. 11 is a partial cross-sectional view of an embodiment of the present invention.
FIG. 12 is a partially exploded cross-sectional view of an embodiment of the present invention.
FIG. 13 is a partial sectional view of an embodiment of the present invention.
FIG. 14 is a partial sectional view of an embodiment of the present invention.
FIG. 15 is a plan view of an embodiment of the present invention.
FIG. 16 is a partial plan sectional view of an embodiment of the present invention.
FIG. 17 is a partial perspective view of an embodiment of the present invention.
FIG. 18 is a partial plan sectional view of an embodiment of the present invention.
FIG. 19 is a partial plan sectional view of an embodiment of the present invention.
FIG. 20 is a partial cross-sectional view of a rotary crusher according to an embodiment of the present invention.
FIG. 21 is an explanatory cross-sectional view of a crushing gap portion according to an embodiment of the present invention.
FIG. 22 is an explanatory sectional view of a crushing gap portion of a preceding proposed structure.
[Explanation of symbols]
W object to be crushed H crushing gap 1 hopper part 2 crushing part 3 driving part 4 discharging part 6 fixed crushing machine 7 rotating crushing machine 35 introduction path 41 shutter member 42 interlocking mechanism 43 displacement difference absorbing mechanism 44 operation link
44a Base end 45 Friction member
48 fulcrum shaft
49- axis cylinder

Claims (2)

A hopper part into which the material to be crushed is charged, a crushing part comprising a fixed crusher and a rotary crusher capable of crushing the material to be crushed into the hopper, and a drive for rotating the rotary crusher And a discharge part through which the material to be crushed by the crushing part is discharged, a lid member capable of opening and closing the charging port of the hopper part is disposed, and the hopper part and the crushing part are disposed. A shutter member capable of opening and closing the introduction path between the lid member and the interlocking mechanism for interlocking the opening and closing operation of the lid member and the opening and closing operation of the shutter member. A displacement difference absorbing mechanism capable of absorbing a displacement difference between the opening / closing operation and the opening / closing operation of the shutter member is disposed , and the displacement difference absorbing mechanism includes a shaft cylinder that pivots a fulcrum shaft provided on the lid member, and the shutter member fitting the fulcrum shaft provided on the operation link for advancing and retracting operation of the interpolated base A frictional force is applied between the end portion by spring elasticity to enable the lid member and the operating link to be interlocked with each other, and the lid is allowed to slide by a force greater than the frictional force by the spring elasticity. A milling machine comprising a friction member capable of releasing mutual interlocking between a member and the operation link . It said friction member mill according to claim 1, characterized in that it consists of wave washer with spring elasticity.

Images