JPS6028512Y2 - Crusher - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a crusher, and in particular, to a support structure for the crushing section thereof, and aims to secure a space below the crushing section and facilitate maintenance of screens and the like.

As a pulverizer for pulverizing materials to be pulverized such as synthetic resin materials and rubber materials, there is one shown in FIG.

That is, in FIG. 1, 1 is a machine frame, and 2 is a crushing section, which has an upper body 3 and a lower body 4, and a crushing chamber 5 is formed between the two, and a crushing chamber 5 is formed below the crushing chamber 5. A screen 6 is provided.

Reference numeral 7 denotes a rotary blade that crushes the object to be crushed between it and a fixed blade, and is supported by a rotating shaft 8 in the crushing chamber 5. This rotary blade 8 is connected to a motor 10 on the machine frame 1 via a winding transmission mechanism 9. Driven by

Reference numeral 11 denotes a hopper that supplies the material to be crushed to the crushing chamber 5.

In this type of pulverizer, the material to be pulverized in the pulverizing chamber 5 is sieved by a screen 6, passes through the lower main body 4, and is taken out to a chute on the machine frame 1 side.
becomes clogged and needs to be cleaned.

In this case, both main bodies 3 and 4 are opened around the pivot 12, but conventionally, a laminated structure is adopted in which the crusher 2 is mounted on the machine frame 1 and the hopper 11 is mounted on the crusher 2. Therefore, the upper main body 3 had to be opened upward, making handling very complicated.

Further, since the crushing section 2 has a hopper 11 and a machine frame 1 on the upper and lower sides, mounting sections must be provided on each of the main bodies 3 and 4, which has the drawback of complicating operations such as machining.

The present invention solves these conventional problems, and its features include an upper main body, a lower main body with a grinding chamber between the upper main body, and a rotary structure in the upper main body. a crushing section comprising a rotary blade that is freely supported and located in the crushing chamber; and a screen provided in the lower body and located below the rotary blade in the crushing chamber; a hopper that supplies materials to be crushed to the crushing chamber; In a crusher equipped with a machine frame supporting a crushing part and a hopper, the upper body is attached to the machine frame at the upper end, and the joining surface of the upper body and the lower body is sloped,
At the lowest side of the inclined joint surface, the lower body is pivotally supported to the upper body so as to be freely openable and closable, and the hopper is pivotally supported to the upper body so as to be freely openable and closable.

Hereinafter, the present invention will be described in detail with reference to the illustrated embodiment.
In the figures and FIG. 3, 20 is a movable machine frame equipped with wheels 21, a pair of left and right side plates 22, a bulkhead plate 23 interposed between the side plates 22 to divide the front and back, and a space between the lower part of the side plates 22. A mounting base 26 is provided at the upper end of the side plate 22 so as to protrude outward.

A crushing section 27 has an upper body 28 and a lower body 29, and a crushing chamber 30 is formed by the bodies 28 and 29.

Both main bodies 28 and 29 are joined by a pivot 31 and a fastener 32 so as to be openable and closable, and a pair of fixed blades 33 are provided facing each other on the lower main body 29 side at the joint.

The joint surfaces of the two main bodies 28, 29 are sloped forward and downward, and the lower main body 29 is pivotally supported by the upper main body 28 at the lowest side, ie, the front end, of the sloped joint surfaces.

The upper main body 28 has a flange portion 34 for attachment on the periphery of the upper end.
The left and right flanges 34 are mounted on the mounting bases 26 of the machine frame 20, and the machine frame 20 is secured to the machine frame 20 by bolts and nuts 35.
installed on.

The lower main body 29 is provided with a screen 36 to form the bottom of the grinding chamber 30 and a chute 37 for taking out the pulverized material sieved by the screen 36.

Reference numeral 38 denotes a rotating blade, which is fitted onto a rotating shaft 39 so as to crush objects to be crushed between it and the fixed blade 33, and the rotating shaft 39 rotates toward the upper main body 28 via a bearing structure. It is freely supported and protrudes outward through one side plate 22, and a flywheel 40 is provided at the protruding end.

Reference numeral 41 denotes a hopper for charging materials to be crushed into the crushing chamber 30, and is attached to the flange portion 34 of the upper main body 28 by a pivot 42 and a fixture 43 so as to be openable and closable.

44 is a blower for pneumatically transporting the crushed material falling from the chute 37, and is attached to the bottom plate 24 of the machine frame 20.

Reference numeral 45 denotes a motor for driving the rotating shaft 39, which is interlockingly connected to the rotating shaft 39 via a pulley 46, a belt 47, and a flywheel 40, and is also attached to the front side of the partition plate 23 via a mounting plate 48. .

A belt cover 49 is attached to the side plate 22 via appropriate members.

In the above configuration, when crushing the object to be crushed, the rotary blade 38 is rotated in the direction of the arrow by the motor 45, the object to be crushed is fed into the crushing chamber 30 from the hopper 41, and the fixed blade is placed inside the crushing chamber 30. 33 and a rotary blade 38, and the crushed material after being crushed is sieved by a screen 36, dropped from a chute 37, and transported by air from a blower 44 through a pipe (not shown).

If the screen 36 becomes clogged, remove the fastener 32 and rotate the lower body 29 clockwise about the pivot 31.

That is, the crushing section 27 is attached to the mounting base 26 of the machine frame 20 on the flange section 34 side formed at the upper end of the upper main body 28, and since the lower part of the lower main body 29 is in an open state, this lower main body 29 side 28.2 by rotating it downward.
All that is required is to open the space between 9 and 9 and expose the screen 36. Therefore, cleaning of the screen 36 is much easier than in the past.

Further, structurally, the flange portion 34 serves as a mounting portion for the machine frame 20 and the hopper 41, and there is no need to provide a mounting portion on the lower body 29, so machining of both bodies 28 and 29 is easy.

Moreover, since the crushing section 27, which is the noise source, is located behind the partition plate 23 and sandwiched between the left and right side plates 22, a sound insulation effect is obtained, and the noise towards the worker standing in front is reduced. do.

In the above embodiment, the flange portion 34 of the upper main body 28 was placed on the mounting base 26 of the side plate 22 and fastened with bolts and nuts 35, but as shown in FIG.
The hopper 4 is mounted on this mounting base 26 from above and below.
The 1st and 7th rungs 34 may be brought into contact with each other, and the bolts and nuts 35 may be collinear.

In the present invention, the upper body of the crushing section is attached to the machine frame at the upper end, so space can be secured below the crushing section, and therefore,
By configuring the crushing section so that it can be opened and closed downward, maintenance such as cleaning of the screen can be facilitated.

Furthermore, since the mounting portions of the crushing section for the machine frame and the hopper can be concentrated on the upper side, machining is also easy.

In addition, since the lower body with the screen is pivotally supported to the upper body so that it can be opened and closed, work such as cleaning the screen can be done easily, and in particular, the joining surface of the upper and lower divided bodies, which are inclined, can be easily cleaned. The lower main body is pivoted to the upper main body at the lowest side of the screen, so when the upper and lower main bodies are opened for inspection, the upper main body does not get in the way, making it extremely easy to clean the screen. I can do it.

Further, as described above, the lower body is pivotably supported to be openable and closable with respect to the upper body provided with the rotating blade, and the hopper for supplying the material to be crushed to the crushing chamber is also pivotably supported to be openable and closable with respect to the upper body. Therefore, it is easy to inspect the rotating blades inside the grinding chamber.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway side view showing a conventional example, Fig. 2 is a partially cutaway front view showing an embodiment of the present invention, Fig. 3 is a partially cutaway side view of the same, and Fig. 4 is another embodiment. FIG. 20...Machine frame, 26...Mounting stand, 27
...Crushing section, 28... Upper body, 29
...Lower body, 30...Crushing chamber, 34
...Flange section, 36 ...Screen, 38 ...Rotary blade, 41 ...Hopper.

Claims (1)

[Scope of utility model registration request] an upper main body, a lower main body with a grinding chamber between the upper main body, a rotary blade rotatably supported by the upper main body and located in the grinding chamber, and a rotary blade provided in the lower main body and located below the grinding chamber. A crusher comprising: a crushing section comprising a screen located on the side; a hopper for supplying a material to be crushed to a crushing chamber; a machine frame supporting the crushing section and the hopper;
The upper body is attached to the machine frame at its upper end, the joint surface between the upper body and the lower body is sloped, and the lower body is pivoted to the upper body so that it can be opened and closed at the lowest side of the sloped joint surface. , a crusher characterized in that a hopper is pivoted to an upper body side so that it can be opened and closed.