JPH06106083A - Hydraulic disintegrating and breaking device for ingate for casting, runner, defective product and the like - Google Patents

Abstract

PURPOSE:To provide the device which can disintegrate and break unnecessary ingates for casting, runners, defective products, etc., by utilizing an oil pressure and gravity fall. CONSTITUTION:This disintegrating and breaking device is constituted of a frame 1 which is opened at front and rear surfaces, a stationary blade device 4 which is provided in this frame and is fixed to a cage having many pieces of peak shaped blades 42a projectingly provided in a zigzag form, a freely oscillatable oscillating blade device 6 which faces this stationary blade device and has many pieces of peak shaped blades 62a having pivotal fitting parts in the lower part of the frame and a fitting relation with the peak shaped blades and strip blades 62b, a pressing means, such as cylinder 8 for oscillating this oscillating blade device and a discharge port 10 which is provided below the oscillating blade device and the stationary blade device and discharges disintegrated and broken casting pieces.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crushing / breaking device for casting weirs, runners, defective products, etc., which has become unnecessary by utilizing hydraulic pressure and natural fall.

[0002]

2. Description of the Related Art Conventionally, as a device for crushing unnecessary products (hereinafter, simply referred to as unnecessary products) such as weirs for casting, runners, defective products, etc., a device having the following constitution Was common.

That is, through a pressing means such as a cylinder,
It is composed of a moving knife device that moves forward and a fixed knife device that faces the moving knife device, and is configured to crush unnecessary products through a constant surface pressure of the moving knife device that moves forward.

As a technical document which is consistent with the above-mentioned structure, there is, for example, a crushing device disclosed in Japanese Patent Laid-Open No. 60-241939. A pressing member having a blade and a front wall (fixing member) having a plate-shaped receiving blade that fits with the pressing blade of the pressing member are provided, and unnecessary products are crushed by the pressing force and the receiving blade. It is configured to fall into. However, in the present invention, the fitting relationship between the plate-shaped pressing blade and the plate-shaped receiving blade is only in the vertical direction.

Another crushing device has a structure usually called a shreter, and the gist of the device is to rotatably support a drum with a hammer in a casing equipped with a shooter, and hit the hammer with the hammer. It is configured to be crushed by utilizing the impact connection with a connecting piece (liner, damper with liner, etc.).

[0006]

In the conventional crushing device and the prior art documents described above, since the moving blade device is structured to move forward in the horizontal direction, a large lump is formed in the unnecessary product. If there is, or if there is a long columnar, etc., an abnormal load is applied to a part of the movable blade device, the movable blade or the blade frame tilts, and sufficient crushing cannot be performed, workability It is possible that there are problems such as poor performance and failure of the device.

Particularly, in the above-mentioned technical documents, a plate-shaped pressing blade,
Since the plate-shaped receiving blades fit only in the vertical direction, it requires a great deal of power to operate the pressing member, and efficient crushing cannot be expected, and in particular breaking is impossible. .

In particular, in a crushing device for castings of this kind into which unnecessary products of various sizes are put, this is a process that occurs occasionally.
The present inventor also often observes.

In the above-mentioned conventional crusher, in this kind of heavy unnecessary product, the load on the drum becomes large and there is a structural problem, or the wear of the hammer, liner, etc. is severe, It is a place that cannot be put to practical use.

[0010]

Therefore, according to the present invention, unnecessary products having various shapes, materials, and forms having a heavy weight are crushed and broken with certainty and with one touch, and the optimum size and weight for a cupola or an electric furnace are provided. The following constitution was adopted for the purpose of, for example, that the crushed and broken pieces can be sequentially and smoothly transferred to the discharge port through the free fall method.

That is, the weir, runway, defective product crushing / breaking device for hydraulic casting according to the present invention includes a frame having an open upper and lower surface and a plurality of staggered projections provided on the frame. Fixed blade device having a mountain-shaped blade that is fixed over time, and a large number of mountain shapes facing the fixed blade device and having the mountain-shaped blade having a pivotal attachment portion below the frame and having a fitting relationship. Swingable swinging tool device having the bladed tool, a pressing means such as a cylinder for swinging the swinging tooling device, and a crushing / breaking casting provided below the swinging tooling device and the fixed tooling device. And a discharge port for discharging the piece.

[0012]

The function of the present invention (conditions of crushing and breaking) will be described below.

As shown in FIG. 2, the oscillating plate and the oscillating blade (hereinafter, in principle, the oscillating plate and the oscillating blade) constituting the oscillating blade device contract the piston rod of the cylinder. Through the reciprocating limit, the rocking plate and the rocking side knife, and the fixed plate and the fixed side knife that constitute the fixed knife device (hereinafter, in principle, the fixed plate and the fixed side knife). A large opening is formed between them.

However, it is provided at the lower end of the swing side blade,
Moreover, the belt-shaped blade provided at the lower position of the fixed-side blade is configured to close the lower portion (the discharge port) of the opening portion, and the belt-shaped blade exactly constitutes the bottom surface. For example, a long blade is simple. It has a structure in which a rod-shaped object, a runner, and the like having various shapes can be reliably positioned between the swing-side blade and the fixed-side blade.

As described above, in the state where the large opening is formed, the unnecessary products are sequentially introduced from the opening. In this case, as described above, since the strip-shaped cutting tool is provided on the bottom surface of the opening, it is assumed that the swivel-side cutting tool and the fixed-side cutting tool have slipped between the staggered cutting tools, for example, the long tool. Even a rod-shaped object or a runner can be held by the band-shaped blade.

When a predetermined amount of the unnecessary product is put into the opening, the piston rod of the cylinder is subsequently extended to advance the swing side blade, and the swing side blade and the fixed side blade are separated. The opening formed by is gradually narrowed from the lower side, first, the lower blades are fitted into each other in a fitted state, and the mountain-shaped end surface of the blades crushes the unnecessary products in various directions. Or break.

On the other hand, above the opening, since the above-mentioned mutual fitting relationship between the swing side blade and the fixed side blade is not established, the swing side blade and the fixed side blade and the respective blades are mainly concerned. Through the approach (compression) with the table, for example, the large unnecessary product in the portion is broken.

In this way, above the opening, a large unnecessary product that has been thrown in is broken, and the primary processing unnecessary products that have been subdivided by the breaking work are then fitted with a mountain-shaped blade. Then, secondary processing, that is, crushing and breaking work is performed, and further subdivided.

As described above, the unprocessed unnecessary products, which are subdivided and can pass through the gap formed by the end face of the mountain-shaped blade, are sequentially passed through the gap and discharged by their own weight. It falls naturally toward the exit. Therefore, the processed unnecessary product that cannot pass through the gap cannot be naturally dropped toward the discharge port, and in such a state (the same applies when the unnecessary product becomes a lump), for example, the pressure on the swinging side tool is more than that. In the case where the force is applied, the control mechanism serves to stop the forward movement of the piston rod of the cylinder. Specifically, the swing side cutter device is once retracted and then forwardly swung again.

After that (the above-mentioned normal time), when the oscillating side blade is further advanced, for example, as described above, the secondary processed unnecessary product is further crushed and broken, and further divided into smaller pieces. And is naturally dropped toward the discharge port as described above. Such crushing and breaking operations are repeated, and as the oscillating side cutter approaches the forward limit, the normally subdivided normally processed unnecessary products gradually fall.

The final processed unnecessary product slides down the inclined surface of the band-shaped blade and is discharged to the outside of the apparatus through the discharge port. Usually, the unnecessary product is thrown in when the blade on the rocking side reaches the forward limit. Almost all of the products are subdivided into specified dimensions,
Most of them are discharged from the device through the discharge port. In addition, some of the subdivided unnecessary products that remain between the mating blades are
All are discharged by retracting the swing-side blade at the forward limit.

After that, the oscillating side knife retreats through the contraction of the piston rod of the cylinder, and when it reaches the retreat limit, the opening becomes an enlarged opening and returns to the initial state.

It should be noted that the lower half of the fixed blade device is constructed so that it can be moved toward and away from the swing blade device via the pressing device, and is fixed when it moves (swings). (Thus, in the present invention, the fixed blade device is fixed over time.) Using this fixation over time, for example,
It has a structure that can cope with the size of the unnecessary products to be thrown in, or the size of the unnecessary products subdivided.

Specifically, when the regulating plate is moved up and down via a pressing device, in this example, a nut is screwed in or unscrewed and, for example, the regulating plate is lowered, almost the lower half of the fixed blade device is When it swings clockwise in 1 and raises the regulating plate, almost the lower half of the fixed blade device returns to the original position,
As shown in FIG. 1, it is configured to return to a substantially drooping state.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

Reference numeral 1 denotes a frame which is composed of two side plates 1a and 1b and which is open vertically and is provided with a leg 2 and a shooter 3 for discharging subdivided unnecessary products.

Reference numeral 4 denotes a fixed blade device provided on one side of the frame 1 via a pivot 5, and the fixed blade device 4
Is composed of the following main members. That is, the blade mounting plate 41 swingably suspended on the pivot 5 and the blade mount 42 detachably mounted on the blade mounting plate 41 are arranged in a zigzag pattern, and are provided so as to sequentially project downward. The fixed-side blade 43 is composed of a mountain-shaped blade 42a.

Then, the inclined surface 42 of the mountain-shaped blade 42a
The a'is provided to ensure that the crushed / broken and fragmented unnecessary products are naturally dropped.

A gap A is formed between the mountain-shaped blades 42a arranged in a zigzag pattern so that the mountain-shaped blades on the rocking side, which will be described later, can be fitted and fitted. When a mountain-shaped cutting tool, which will be described later, is fitted into the clearance A, a slight clearance A1 (which can be varied) in which the subdivided unnecessary product falls is formed.

Further, the mountain-shaped blade 42a is the fixed-side blade 4
Since the protrusions are sequentially projected downwardly of 3, the top surface of the mountain-shaped blade 42a and the top surface of the mountain-shaped blade of the rocking-side blade, which will be described later, become narrower in the downward direction. A gap B (which can be changed) between the blades is formed. And
From the space (not shown, which can be varied) formed by the gap B between the blades and the slight gap A1, as described above, the unnecessary products that have been put in are further subdivided, and the fixed-side blade is cut. 43 and the rocking side blade fall from the upper side to the lower side, and finally are housed in the outside of the apparatus, for example, in the box C via a discharge port described later.

Reference numeral 6 denotes a swinging blade device provided at a substantially intermediate position of the frame 1 via a pivot 7 so as to face the fixed blade device 4. The swinging blade device 6 has the following main members. It is composed of. That is, a swing plate 61 that is swingably set up on the pivot 7 and a tool rest 62 that is detachably provided on the swing plate 61 are arranged in a zigzag pattern and project downwardly. Mountain-shaped blade 62a provided in
And a swing-side blade 63 formed of a strip-shaped blade 62b provided at the lower end over the entire width of the blade base 62 in the width direction.

Then, the inclined surface 62 of the mountain-shaped blade 62a
Reference character a'is provided to ensure that the crushed / broken and fragmented unnecessary products are allowed to naturally fall, and the mountain-shaped blade 62a has a tapered shape. Band-shaped blade 42
An inclined surface 62b 'is also provided to b for the same purpose.

It should be noted that the swing-side blade 63 has a mountain-shaped blade 62a.
Has a fitting relationship with the mountain-shaped blade 42a of the fixed-side blade 43, and the gap B between the blades and the slight gap A1 form a space in which each fragmented unnecessary product falls. That is as described above.

Reference numeral 8 in the drawing denotes a cylinder in which a piston rod 81 is pivotally attached to the rocking plate 61, and the rocking blade device 6 uses a pivot shaft 7 as a pivot shaft through expansion and contraction of the piston rod 81 of the cylinder 8. Rock. That is, the swing side blade 6
3 is configured to come into contact with and separate from the fixed side blade 43.

Although not shown, the position of the metal (not shown) provided on the pivot 7 can be changed via a rotating tool to prevent the harmful effects of metal wear.

In the figure, 9 is an opening and 10 is an outlet.

Reference numeral 11 in the drawing denotes a pressing device that swings the lower half of the fixed blade device 4 toward the left in FIG. 1. In this example, the pressing device 11 is the pressing device mounting plate 41. The horizontal plate portion 111, the screw shafts 121 and 122 depending on the horizontal plate portion 111, and the screw shafts 121 and 122.
And a nut 121 screwed to the screw shafts 121 and 122.
a, 122a, a regulation plate 123 having tapered fitting recesses 123a, 124a attached to the lower ends of the screw shafts 121, 122 and pressed against the back surface of the blade mounting plate 41, and the regulation plate 123. , 124, and the regulating plate pressing rod 125 for pressing the blade mounting plate 41 to the blade mounting plate 41 side (as described, this is an example, and the present invention is not limited to this example).

Accordingly, for example, the nut 121a (hereinafter, the pressing device of this example performs the same movement in a pair,
One side will be described. ) Is screwed down, the screw shaft 121 is pushed downward, and thus the regulation plate 123 moves downward, and the regulation plate 123 has the taper shape and the regulation plate pressing rod 125 for the blade mounting plate. It is pressed to the 41 side. The movement of the regulation plate 123 directly appears as a swinging motion of the blade mounting plate 41, and as described above,
The fixed blade device 4 swings clockwise in FIG.

On the other hand, for example, when the nut 121a is unscrewed, the screw shaft 121 is pulled upward, and thus the regulation plate 123 moves upward, and the regulation plate 123 is pressed against the fixed blade device 4. Is opened and the fixed blade device 4 is returned to its original position (swings counterclockwise in FIG. 1).

[0040]

As described above in detail, the present invention relates to a fixed-side knife having staggered mountain-shaped blades provided on a frame, and a fitting relationship between the fixed-side knife and the mountain-shaped blade. Unnecessary products are crushed / broken with the ridge-shaped or band-shaped knives and oscillating side knives. This structure is composed of a blade and leads to the discharge port, and has the following effects.

(1) Unnecessary products can be crushed and broken reliably and easily by the fitting relation of the mountain-shaped blade.

(2) It is a free fall method, and only correctly divided pieces are guided to the discharge port.

(3) It is a free fall method, has no mechanical difficulty, is easy to maintain and manage, and has any weight,
Can crush or break unnecessary products such as shape and material.

(4) Since the movable cutting tool device is of a swing type and a sliding type, the swing cutting tool device is not displaced due to the input or size of an unnecessary product.

(5) A large output can be secured.

(6) An automatic control system can be adopted.

(7) Further, since the rocking blade device is provided with the band-shaped blade, it is possible to reliably catch an unnecessary product such as a long blade or a rod-shaped blade.

[Brief description of drawings]

FIG. 1 is an overall perspective view.

FIG. 2 is a sectional view of a main part.

FIG. 3 is an enlarged perspective view of a fixed blade device.

FIG. 4 is an enlarged perspective view of a swing blade device.

[Explanation of symbols]

 1 Frame 1a Side plate 1b Side plate 2 Legs 3 Shooter 4 Fixed knife device 41 Tool mounting plate 42 Tool rest 42a Mountain-shaped tool 42a 'Inclined surface 43 Fixed side tool 5 Pivot 6 Swing tool device 61 Swing plate 62 Tool rest 62a Mountain Shaped blade 62a 'Inclined surface 62b Belt-shaped blade 62b' Inclined surface 63 Swing side blade 7 Pivot 8 Cylinder 81 Piston rod 9 Opening 10 Discharge port 11 Pressing device 111 Side plate 121 Spiral shaft 122 Spiral shaft 121a Nut 122a Nut 123 Control plate 123a Fitting recess 124 Control plate 124a Fitting recess 125 Control plate pressing rod A Gap A1 Slight gap B B Gap between blades C Box

Claims (3)

[Claims] 1. A fixed blade device having an open upper and lower surface, a plurality of staggered projecting blades provided on the frame, and a lower part of the frame facing the fixed blade device. A swingable swinging blade device having a large number of mountain-shaped blades which are fitted to the mountain-shaped blade having a pivot portion, and a pressing means such as a cylinder for swinging the swinging blade device. And a discharge port provided below the rocking blade device and the fixed blade device for discharging crushed / broken cast pieces, and a hydraulic weir for casting, a runner, crushing of defective products. Breaking device. 2. The oscillating blade device according to claim 1, at the lower end thereof, is crushed as viewed in cross section, which is full in the width direction and protrudes forward.
A weir, a runner for hydraulic casting according to claim 1, which is formed by forming a strip-shaped blade having an inclined surface for shooting a broken casting piece.
Crushing / breaking device for defective products. 3. The fixed blade device according to claim 1, further comprising a pressing device for moving the lower side of the fixed blade device to the swinging blade device side, and the pressing device is provided on the back surface of the blade mounting plate and downwardly. A substantially triangular regulation plate that is converging toward, a movement means such as a screw fitting means or a cylinder means that moves the regulation plate in the up-down direction, the regulation plate, a fixing member that presses the frame side, The weir, runner, defective product crushing / breaking device for hydraulic casting according to claim 1, which is constituted by.