JPS6039106Y2 - Structure of Grizzly River - Google Patents

Description

[Detailed description of the invention] The present invention relates to an improvement of the Grizzriver used in vibrating feeders, ripple flow vibrating screens, etc., and particularly relates to a Grizzriver that allows the upper bar that forms the sieve surface to be easily and reliably attached and detached. It is something.

FIG. 1 is a perspective view of a conventional vibratory feeder with a grizzly bar. In this case, a grizzly bar 1 is provided at the rear of a vibratory feeder 2, and a main body frame 5. It is placed inside 5.

The conventional Grizzriver 1 is shown in FIGS. 2 and 3.
As shown in the figure, a lower pipe 7.7 is bolted to the main body frame 5.5 by a flange portion 6, a number of vertical ribs 9.9, . . . Top bar welded to the top end of the rib 8.8. ...
The raw material layer fed from the front supply section 10 of the vibrating feeder is fed to a vibrator 1 driven by a motor 11.
2, the vibrating feeder 2 vibrates, and the feeder 2 gradually transports the rearward portions in small quantities to the upper bars 8, 8, .・
Small lumps are screened out as they pass over the lattice surface formed by ..., and only the coarsely ground material passes through Grizz River 1 and is sent to the next process.

In this way, Grizz River scalps (preliminary sieves) large chunks such as blasted ore, so the top surface of the upper bar 8°8, which comes into direct contact with the ore, is similar to other vibrating sieves, etc. However, in the conventional Grizzriver, the upper bar is integrally welded to the vertical rib and lower pipe, so when replacing the worn upper bar, the vertical rib and the lower pipe must be disposed of at the same time, which is extremely uneconomical.

In addition, the overall weight of the upper bar, lower pipe, and vertical rib is extremely large, so it is difficult to attach it to the machine base.
The task of removing it was extremely difficult.

Furthermore, since the Grizzriver, which has an integrated upper bar, vertical ribs, and lower pipe, has a large overall weight, slight vibrations are generated only in the upper bar to prevent clogging of the bar and to improve the flow of raw materials. It is inconvenient that it is not possible to do something to promote this.

Therefore, the first purpose of the present invention is to make it possible to remove only the upper bar, which is a consumable item that needs to be replaced in a short period of time, from the vertical ribs, etc., thereby reducing the cost of parts replacement and making the work easier by reducing the weight of the parts to be removed. The second purpose is to shorten the replacement work time by making the above-mentioned replacement an extremely simple operation, and to improve the reliability of the machine by increasing the strength of the upper bar installation. , to extend the lifespan.

The third objective is to separate the upper bar from the vertical ribs to allow the upper bar's own slight vibrations, promoting the flow of raw materials and preventing clogging of the bar. In order to achieve the above-mentioned objects, the present invention forms a groove on the upper end surface of the vertical rib, which is inclined with respect to the upper end surface, and also forms a groove on the joint surface of the upper bar with the vertical rib. , an inclined protrusion that can be fitted into the groove is formed, and the upper bar is fixed to the upper end of the vertical rib with the inclined protrusion fitted into the groove.

Next, embodiments embodying the present invention will be described in detail with reference to the accompanying drawings from FIG. 4 onwards.

Here, FIGS. 4, 5, and 6 are a plan view, a front view, and a right side view of a Grizzriver according to an embodiment of the present invention, and FIG. 7 is a view taken in the direction of arrow A in FIG. 5.

In these figures, 15 and 16 are lower pipes that are the lower support members of the entire Grizzriver, and are installed in the horizontal direction, and the lower pipes 15 and 16 have a plurality of flat vertical ribs spaced at equal intervals in the axial direction of the pipe. 17 are vertically welded 18, and an upper bar 20 is placed on the upper end surface 19 of each vertical rib 17, and the longitudinal rib 17
is fixed.

That is, on the upper end surface 19 of the vertical rib 17, two parallel inclined grooves 21 which are inclined obliquely downward toward the rear direction of the Grizzriver as shown by arrow 24 are carved, and the upper bar 20
An inclined protrusion 22 having the same inclination angle as the inclined groove 21 and having a size such that it can be fitted into the inclined groove is formed at a position corresponding to the inclined groove 21 on the joint surface 25 with the vertical rib 17 .

Further, as is clear from FIG. 6, the upper bar 20 has a substantially U-shaped cross section, and the bottom surface of the recessed portion 26 constitutes the joint surface 25. In the assembled state shown in the figure, the recessed portion 26 of the upper bar 20 The upper end portion of the vertical rib 17 is inserted into the upper bar, and the left and right side walls 27, 27 of the recessed portion 26 come into contact with the side surfaces of the vertical rib 17, thereby restricting the movement of the upper bar in the left and right direction.

Therefore, as shown in FIG.
until the inclined protrusion 22 contacts the upper end surface 19 of the vertical rib 17.
If the upper bar 20 is fitted into the inclined groove 21 and one end of the upper bar 20 is engaged with the vertical rib 17 by some means, the arrow X with respect to the vertical rib 17 of the upper bar 20
Relative movement in the vertical direction indicated by and in the longitudinal direction indicated by arrow Y is prevented.

In addition, the upper end of the vertical rib 17 is inserted into the concave portion 26 as described above, so that the upper bar 20 is fixed to the vertical rib 17 as described above.

The front end 29 of the upper bar 20 does not reach the front end 30 of the vertical rib 17 in the assembled state shown in FIG. A recessed groove 31 is carved into the recessed groove 31, and a bolt 32 is inserted into the recessed groove 31.
The protrusion 28 of the stopper 23 fixed to the vertical rib 17 is fitted into the side surface 32 of the stopper 23.
is in contact with the front end 29 of the upper bar 20.

In this way, the stopper 23 is fitted into the recessed groove 31 and cannot move in the front-rear direction, and is also restrained from moving in the vertical direction by the bolt 32, so it is fixed to the vertical rib 17 and its side surface 32' is the front end surface 29 of the upper bar 20
Since the top bar 20 is in contact with the slanted groove 21 and restricts the movement of the top bar in the front and back directions, the top bar 20 that is fitted with the inclined groove 21 eventually moves back and forth.
It is fixed to the vertical ribs 17 and cannot be moved in either the vertical or horizontal direction.

Note that an elastic member such as a spring or synthetic rubber that presses and urges the upper bar in the direction of the arrow 24 may be interposed between the stopper and the upper bar.

In the Grizzriver as described above, when the upper surface of the upper bar 20 becomes worn due to use, the bolt 30 of the stopper 23 is loosened to separate the stopper 23 from the vertical rib 17.

Then, the upper bar 20 is disengaged from the vertical rib 17, so when the upper bar is pulled up in the direction of the slope of the inclined groove 21, the inclined protrusion 22 easily comes out of the inclined groove 21, and the upper bar can be replaced quickly. be exposed.

The means for securing the upper bar to the vertical ribs is not limited to the above-mentioned stopper, but may be any structure as long as it can retain the upper bar in a direction in which the inclined protrusion of the upper bar does not come out of the inclined groove. Further, the mounting position is not limited to the end of the upper bar, but may be an intermediate position.

As described above, the present invention provides a Grizzriver in which upper bars constituting a sieve lattice are attached to the upper ends of a large number of vertical ribs attached to a lower support member. At the same time, an inclined protrusion that can be fitted into the groove is formed on the joint surface of the upper bar with the vertical rib, and the upper bar is held in a state in which the inclined protrusion is fitted into the groove. Because Grizzriver's structure is fixed to the upper end of the vertical rib, when wear occurs due to long-term use, only the upper bar, which is a consumable item, can be replaced. The pipes can be used as they are, which is economical and reduces costs.The weight of each upper bar is small, so replacing them is easy.Moreover, they can be replaced quickly and easily, which improves work efficiency. Economical.

In addition, since the upper bar is separate from the vertical ribs, the upper bar can vibrate slightly within the range of its installed state along with the vibration of the entire Grizzriver, which can prevent clogging of the upper bar and promote the flow of raw materials. The effect is demonstrated.

Considering the vibration characteristics of the Grizz River, a strong vertical excitation force acts on the upper bar, but in the Grizz River according to the present invention, the upper bar is supported by an inclined groove and an inclined protrusion fitted into the groove. Therefore, despite the simple structure, the upper bar is held on the vertical ribs with an extremely large mounting force, improving the reliability and life of the machine.

[Brief explanation of the drawing]

Figure 1 is a perspective view of a conventional vibratory feeder with a Grizz River, Figure 2 is a front view of the same Grizz River, and Figure 3 is a
The same right side view, FIG. 4, FIG. 5, and FIG. 6 are a plan view, a front view, a right side view, and
FIG. 7 is a view taken along arrow A in FIG.

Claims (1)

[Scope of utility model registration request] In the Grizzriver, in which upper bars constituting a sieve lattice are attached to the upper ends of a large number of vertical ribs attached to a lower support member, grooves are formed on the upper end surfaces of the vertical ribs, the grooves being inclined with respect to the upper end surfaces. In addition, an inclined protrusion that can be fitted into the groove is formed on the joint surface of the upper bar with the vertical rib, and the upper bar is fixed to the upper end of the vertical rib with the inclined protrusion fitted into the groove. Grizzriver's structure features: