CN216756664U - Hammer knife group for superfine pulverizer and pulverizer - Google Patents

Abstract

The utility model relates to a hammer knife group for an ultramicro pulverizer, which comprises: the crushing disc is rotatably arranged in the crusher; the fixing rods are arranged on the outer ring of the crushing disc; the hammer cutter bodies are arranged on the fixed rods in multiple layers, and crushing flow channels are formed between every two adjacent hammer cutter bodies at intervals. The problem that the efficiency becomes high is greatly leaded to the windage among the hammer sword operation process is solved to this patent scheme.

Description

Hammer knife group for superfine pulverizer and pulverizer

Technical Field

The patent relates to the field of feed processing equipment, in particular to a hammer cutter for an ultramicro crusher and a crusher.

Background

The current ultrafine grinder needs to provide a relatively high rotating speed for the grinding disc due to the requirement of ultrafine materials, and the materials are ground through the rotation of the grinding disc and the quick impact of the hammer blade, but the current hammer blade mainly has the following defects:

1. in order to enhance the crushing effect, the crushing area is often increased by a method, after the crushing surface is increased, the running speed of the crushing disc is high, and the resistance of the hammer knife is correspondingly high, so that more energy consumption is needed to meet the requirements.

For example, the utility model discloses a utility model patent of a concave hammerhead with publication number CN204602311U, the crushing face B (8) is the main striking face in its drawing, and above-mentioned striking face is an holistic concave face, and the resistance that above-mentioned striking face produced in the rotatory in-process of crushing dish is very big, in order to can reach crushing effect, must improve more energy consumptions, just can satisfy the requirement of rotational speed.

2. Most of hammer knives in the current market crush materials by utilizing impact, the crushing effect generated by the impact is poor, and the effect can be achieved by repeated impact in a recycling way.

SUMMERY OF THE UTILITY MODEL

This patent provides one kind can effectively reduce the energy consumption and can promote hammer sword and the rubbing crusher who smashes the effect to above-mentioned problem, and the concrete scheme is as follows:

a hammer cutter set for an ultrafine grinder comprises: the crushing disc is rotatably arranged inside the crusher; the fixing rods are arranged on the outer ring of the crushing disc; the hammer cutter bodies are arranged on the fixed rods in multiple layers, and crushing flow channels are formed between every two adjacent hammer cutter bodies at intervals.

Above-mentioned scheme adopts multilayer hammer blade body interval to set up for above-mentioned hammer blade striking face has formed crushing runner, and above-mentioned crushing runner has following effect:

1. the wind resistance can be reduced, under the impact of high-speed rotation, the wind resistance that the hammer cutter received reduces, required energy consumption reduces relatively, simultaneously through hammer cutter body and dead lever cooperation formation "rich" style of calligraphy, make the material contact the hammer cutter after, can strike the hammer cutter body and strike the exposed surface of dead lever again, above-mentioned striking area is the area of hammer cutter body one side plus the exposed area of dead lever promptly, through the above-mentioned design, can make the wind resistance diminish under the basically unchangeable condition of assurance striking area, thereby make required energy consumption reduce.

2. The crushing runner can suck partial materials, and the materials can be extruded by the inner side surfaces of the upper layer hammer cutter body and the lower layer hammer cutter body in the high-speed rotating process, so that the materials are further crushed.

Further, a cutting edge is installed at one end of the hammer body along the rotation direction of the crushing disc, the cutting edge is of a triangular structure, and the sharp-angle end of the cutting edge is arranged along the rotation direction of the crushing disc.

The design of the cutting edge can change the impact of the hammer cutter body part into cutting, so that the material crushing effect is better.

The cutting edge is further configured to be made of cemented carbide.

The use of cemented carbide enhances the service life of the cutting edge and prevents it from tipping.

Further, the hammer body is configured to be 4.

Furthermore, crushing parts are arranged on two sides of the hammer cutter body, and the crushing parts are made of hard alloy.

And a spacer bush is arranged between the hammer body and the hammer body at intervals.

The hammer further comprises a reinforcing rod, the reinforcing rod is arranged at one end of the fixing rod opposite to the rotating direction of the crushing disk, and the reinforcing rod penetrates through the hammer body and is connected with the crushing disk.

Further, the hammer body is configured in a trapezoidal shape, and the crushing portion is configured to be gradually contracted against a rotation direction of the crushing disk.

The material flow direction can be controlled to the configuration of trapezium structure for the inboard material is leading-in to smashing the runner along the inclined plane in, thereby realizes better striking, extrusion.

Further, the hammer blade set according to any one of the preceding claims is disposed inside the crusher.

The crusher is further provided with a feed inlet, and the hammer cutter group is arranged at the lower end of the feed inlet and is used for crushing the materials input by the feed inlet.

Drawings

FIG. 1 is a schematic view of a shredder installation;

FIG. 2 is a schematic view of the hammer blade installation;

FIG. 3 is a schematic view of the arrangement of the hammer blade and the crushing disk;

FIG. 4 is a top view of the hammer blade;

1. a hammer cutter group, 2, a crushing disc; 3. a feed inlet; 4. a grading wheel; 5. a drive device;

101. a hammer body; 102. a cutting edge; 103. fixing the rod; 104. a reinforcing bar; 105. a crushing runner; 106. a spacer sleeve; 107. a crushing part.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in figure 1, a crushing disk 2 is arranged in the crusher, a hammer cutter group 1 is arranged on the crushing disk 2, a feed port 3 is arranged on one side of the crusher, the hammer cutter group 1 is arranged at the lower end of the feed port 3, materials can directly fall onto the hammer cutter group 1 after entering from the feed port 3, the hammer cutter group 1 can conveniently complete material crushing under the driving of the high-speed rotation of the crushing disk 2, meanwhile, the upper end of the crushing disc 2 is provided with a grading wheel 4 for grading the crushed materials, the materials meeting the requirements are discharged, the materials which do not meet the requirements fall back to the crusher for continuous crushing, the lower end of the crushing disc 2 is provided with a driving device 5, the driving device 5 can be configured to comprise a rotating shaft and a driving motor (not shown in the figure) connected with the rotating shaft, under the drive of the driving motor, the rotating shaft can drive the crushing disc 2 to rotate at a high speed so as to complete crushing, and the driving mode is a common mode and is not described more herein.

In order to better reduce the wind resistance and keep the impact area as unchanged as possible, as shown in fig. 2 and 3, a plurality of hammer cutter sets 1 are arranged on the outer edge of the crushing disc 2, each hammer cutter set 1 comprises a fixed rod 103 arranged on the crushing disc 2, a plurality of hammer cutter bodies 101 are sleeved on the fixed rods 103, adjacent hammer cutter bodies 101 are arranged at intervals to form a crushing runner 105, the design of the crushing runner 105 can effectively reduce the wind resistance of the hammer cutter sets 1 in high-speed rotation, and as shown in fig. 1, materials can impact the surface of the fixed rod 103 exposed outside after contacting the hammer cutter bodies 101, namely the arrangement of the fixed rod 103 can effectively compensate the missing area of the hammer cutters relative to the integration.

In one embodiment, the number of the hammer blades 101 may be 4, that is, 4 hammer blades are provided on the fixing rod 103 at intervals, and a spacer 106 is provided between adjacent hammer blades 101.

In order to make crushing effect better, the hammer cutter body 101 is equipped with the cutting edge 102 towards the one end of smashing the dish 2 direction of rotation, the cutting edge 102 is configured to the triangle-shaped structure, and the sharp angle end is towards the direction of rotation of smashing the dish 2, the setting of cutting edge 102 can change the striking of material into the cutting, the effect of cutting is for striking crushing effect better, more easily satisfy the requirement of smashing the fineness, above-mentioned cutting edge 102 adopts carbide to make simultaneously, can conveniently cut more, life is longer relatively simultaneously.

In one embodiment, as shown in fig. 4, the hammer body 101 is configured to be a trapezoid structure, one end with a larger width faces the rotation direction of the crushing disk 2, specifically, two side edges of the hammer body 101 are gradually contracted against the crushing disk 2 by one end of the cutting edge 102 to form an inclined crushing portion 107, the crushing portion 107 can guide and impact a material circulation formed by the high-speed rotation of the crushing disk 2, the material can impact the crushing portion 107 to be crushed again in the crushing process, the impact area is increased by the design, the crushing effect is better, and the inclined arrangement can guide the material to the crushing flow channel 105 along the inclined crushing portion 107 to be crushed and extruded again.

Because the fixing rod 103 is provided with the plurality of separated hammer cutter bodies 101, the separated hammer cutter bodies 101 can be stressed in a plurality of directions in the operation process, and are easy to loosen, in this embodiment, the hammer cutter group 1 further comprises a reinforcing rod 104, the reinforcing rod 104 is arranged at one end of the fixing rod 103 opposite to the rotation direction of the crushing disc 2, and the reinforcing rod 104 penetrates through the hammer cutter bodies 101 and is connected with the crushing disc 2.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solution of the present invention and the inventive concept with equivalent alternatives or modifications within the scope of the present invention.

Claims (10)

1. The utility model provides a super little for rubbing crusher hammer knife tackle which characterized in that includes:

the crushing disc is rotatably arranged in the crusher;

the fixing rods are arranged on the outer ring of the crushing disc;

the hammer cutter bodies are arranged on the fixed rods in multiple layers, and crushing flow channels are formed between every two adjacent hammer cutter bodies at intervals.

2. The set of hammer cutters as claimed in claim 1, wherein the hammer body has a cutting edge mounted at an end thereof along the rotation direction of the crushing disk, the cutting edge is disposed in a triangular configuration, and the sharp end of the cutting edge is disposed along the rotation direction of the crushing disk.

3. The hammer blade stack of claim 2, wherein the cutting edge is configured of cemented carbide.

4. The hammer blade assembly of claim 2, wherein the hammer blade body is configured in 4 pieces.

5. The hammer blade assembly of claim 2, wherein the hammer blade body is provided with breaking portions on both sides thereof, and the breaking portions are made of cemented carbide.

6. The hammer blade assembly of claim 1, wherein spacers are disposed between the spaced hammer blades.

7. The hammer blade assembly of claim 1, further comprising a reinforcing bar provided at an end of the fixing bar opposite to a rotation direction of the crushing disk, the reinforcing bar penetrating the hammer blade body and being connected to the crushing disk.

8. The hammer blade group according to claim 5, wherein the hammer blade body is configured in a trapezoidal shape, and the crushing portion is configured to be gradually constricted by the cutting edge against a rotation direction of the crushing disk.

9. A crusher characterized in that the hammer blade set of any one of the preceding claims is disposed inside the crusher.

10. The crusher as claimed in claim 9, wherein the crusher is provided with a feed inlet, and the hammer cutter set is arranged at the lower end of the feed inlet and is used for crushing the material fed from the feed inlet.

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