CN216224703U - Secondary crushing treatment equipment - Google Patents

Abstract

The utility model discloses secondary crushing treatment equipment, belongs to the technical field of crushers, and solves the problem that the crushing efficiency of materials is insufficient due to the fact that materials roll together in a material cavity due to collision of the materials and cutting edges.

Description

Secondary crushing treatment equipment

Technical Field

The utility model belongs to the technical field of crushers, and particularly relates to secondary crushing treatment equipment.

Background

Crushing is a process in which an external force is applied to a crushed material to overcome the cohesion among the molecules of the material and break the large material into a plurality of small pieces. The crushing operation is divided into mechanical energy crushing and non-mechanical energy crushing such as electric energy, heat energy and the like according to different energy consumption forms.

The main industrial methods are crushing by mechanical force, and the following methods are available: crushing, chopping, breaking, grinding, impact crushing, and the like. The mechanical crushing is more suitable for crushing brittle and hard materials, and is widely used in material treatment process in mine metallurgy industry at present.

However, the crushing cutter rolls in the cavity, and the blade and the material are strongly collided to damage the material, so that the cutter body is seriously abraded when the cutting edge of the crushing cutter works for a long time, and the damaged material of the cutter body is influenced subsequently; secondly, the material of striking can sputter, along with the roll of cutter, the material then can roll together in the cavity, then reduced the collision of broken cutter with the material when the unable contact of material and cutting edge, lead to the material breakage not up to standard, perhaps need more time to do the raw materials circulation many times crushing processing that the screening is not conform to the condition.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide secondary crushing treatment equipment, which solves the problem that the material crushing efficiency is insufficient due to the fact that materials collide with a blade to roll together in a material cavity.

The technical scheme adopted by the utility model is as follows:

the utility model provides a second grade crushing treatment equipment, includes broken case, broken incasement is opened there is broken cavity, be provided with rotatory cutter arbor subassembly on the lateral wall in the broken cavity, rotatory cutter arbor subassembly is connected on the lateral wall of broken cavity, broken bottom of the case portion is provided with the spacing fixed cutter subassembly that uses of rotatory cutter arbor subassembly of cooperation, the bottom at broken case is connected to the fixed cutter subassembly.

As a preferable scheme, the rotary cutter shaft assembly comprises a rotary shaft, wherein crushing cutter discs are circumferentially arrayed on the rotary shaft, and at least four crushing cutter discs are circumferentially arranged along the shaft diameter of the rotary shaft.

As a preferred scheme, the fixed knife assembly comprises a fixed knife and a fixed plate, the fixed plate is connected to the bottom of the crushing box with the crushing cavity, a strip-shaped hole is formed in the fixed plate, and the fixed knife is connected to the fixed plate and is formed in the strip-shaped hole.

As a preferred scheme, the bottom of a crushing cavity of the crushing box is provided with a strip-shaped groove, and the fixing plate is fixedly connected in the strip-shaped groove of the crushing box.

Preferably, at least two strip-shaped holes with equal intervals are arranged on the fixing plate.

As a preferred scheme, the fixed knife comprises a knife holder, the knife holder is connected to the fixed plate, a base plate is arranged on the knife holder and connected with the knife holder, a three-edged knife and a positioning rod for supporting the three-edged knife are arranged on the base plate, the three-edged knife is connected with the base plate, and the positioning rod is connected.

Preferably, two triangular knives are arranged, and the two triangular knives are symmetrically arranged on the base plate about the axis of the positioning rod.

Preferably, the two triangular knives are respectively integrated with the positioning rod by welding.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. in order to solve the material and lead to rolling together in the material cavity with the cutting edge collision, and lead to the not enough problem of material crushing efficiency, design rotatory cutter arbor subassembly to the mineral aggregate shredding in the broken cavity of influx, and in order to cooperate the fixed cutter arbor subassembly of rotatory cutter arbor subassembly comminuted material, fixed cutter arbor subassembly still has the effect of another screening, when fixing cutter arbor subassembly to the flow process, the bulky raw materials of this department can't be detained through then, detain behind the material through rotatory cutter arbor subassembly rather than bumping, then by rotatory cutter arbor subassembly to the raw materials shredding that does not locate through fixed cutter arbor subassembly.

2. In-process when smashing, four broken blade discs can be effectual smash the material in the broken cavity, broken blade disc improve with the collision frequency of material, also improve its kibbling efficiency.

3. In the screening process, can adjust the interval between two continuous stationary knives according to the quantity of actual demand installation stationary knife, accomplish the effect of accomplishing the screening to the material flow through this clearance, the installation interval specification is adjustable.

4. Adopt the welded mode to close two triangular sword and locating lever into a whole, increase the stability of its holistic structure for the striking effort that receives behind the material can not disperse and lead to the stationary knife cracked, adopt two triangular sword, the effort that the collision produced is increased to its edge and the mode that the area of contact was reduced in the material contact, makes broken intensity higher, smashes the material more easily.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the stationary knife assembly of the present invention;

FIG. 3 is a schematic view of the stationary knife structure of the present invention;

FIG. 4 is a cross-sectional view of FIG. 3 of the present invention;

FIG. 5 is a schematic plan view of the stationary knife assembly of the present invention;

the labels in the figure are: 1. a crushing box; 2. a crushing cavity; 3. crushing a cutter head; 4. a rotating shaft; 5. rotating the cutter shaft assembly; 6. a fixing plate; 61. a strip-shaped hole; 7. fixing a knife; 71. a tool apron; 72. a base plate; 73. a triangular knife; 74. positioning a rod; 8. fixing the knife assembly; 9. a strip-shaped groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1:

as shown in fig. 1, a two-stage crushing treatment equipment comprises a crushing box 1, wherein a crushing cavity 2 is formed in the crushing box 1, a rotary cutter shaft assembly 5 is arranged on a side wall in the crushing cavity 2, the rotary cutter shaft assembly 5 is connected to the side wall of the crushing cavity 2, a fixed cutter assembly 8 matched with the rotary cutter shaft assembly 5 for limiting is arranged at the bottom of the crushing box 1, and the fixed cutter assembly 8 is connected to the bottom of the crushing box 1.

In the structure, lead to in the material cavity rolling together in order to solve the material and cutting edge collision, and lead to the not enough problem of material crushing efficiency, this scheme has broken cavity 2 in broken case 1 internal opening, rotatory cutter arbor subassembly 5 is fixed on the lateral wall of broken cavity 2 through the bearing frame, with current motor drive rotatory cutter arbor subassembly 5, make rotatory cutter arbor subassembly 5 to the mineral aggregate shredding who flows into in broken cavity 2, secondly, there is the fixed cutter subassembly 8 of effect design of a screening for cooperation rotatory cutter arbor subassembly 5 material, detain the bulky raw materials of this department of fixed cutter subassembly 8 department to the flow, back again rotatory cutter arbor subassembly 5 collides rather than taking place then to the raw materials shredding who does not pass through fixed cutter subassembly 8 department.

During crushing, as shown in fig. 1, the rotary cutter shaft assembly 5 comprises a rotary shaft 4, crushing cutter discs 3 are circumferentially arrayed on the rotary shaft 4, at least four crushing cutter discs 3 are circumferentially arranged along the shaft diameter of the rotary shaft 4, surrounding materials can be effectively crushed, the collision frequency of the four crushing cutter discs 3 with the materials is improved, and the crushing efficiency is also improved;

in the screening process, as shown in fig. 2, the fixed cutter assembly 8 comprises a fixed cutter 7 and a fixed plate 6, the fixed plate 6 is connected to the bottom of the crushing box 1 with the crushing cavity 2, the fixed plate 6 is provided with a strip-shaped hole 61, and the fixed cutter 7 is connected to the fixed plate 6 and is provided with a strip-shaped hole 61; as shown in fig. 1, 2 bottoms in broken cavity of broken case 1 are opened there is bar groove 9, 6 fixed connection of fixed plate have bar groove 9 at broken case 1 division, for the convenience of fix a position the mounted position of fixed plate 6, 1 division has bar groove 9 at broken case, 6 fixed connection of fixed plate have bar groove 9 at broken case 1 division, it has bar hole 61 to alternate for the convenience of stationary knife 7 to open on fixed plate 6, the location, set up two bar holes 61 of equidistant on fixed plate 6 at least, can be according to actual demand installation stationary knife 7's quantity, simultaneously, can also adjust the interval between two continuous stationary knives 7, consequently, accomplish the effect of screening through this clearance to the material flow.

Example 2:

the embodiment is developed on the basis of embodiment 1, as shown in fig. 3-5, the fixed knife 7 includes a knife holder 71, the knife holder 71 is connected to the fixed plate 6, a backing plate 72 is arranged on the knife holder 71, the backing plate 72 is connected to the knife holder 71, a triangular knife 73 and a positioning rod 74 for supporting the triangular knife 73 are arranged on the backing plate 72, the triangular knife 73 is connected to the backing plate 72, and the positioning rod 74 is connected; the two triangular knives 73 are symmetrically arranged on the base plate 72 about the axis of the positioning rod 74; the two triangular knives 73 are respectively integrated with the positioning rod 74 in a welding mode; adopt the welded mode to close two triangular sword 73 and locating lever 74 into a whole, increase the stability of its holistic structure for the striking effort that receives behind the material can not disperse and lead to stationary knife 7 cracked, secondly, adopt two triangular sword 73, through edge and material contact, increase the effort that the collision produced through the mode that reduces area of contact, make broken intensity higher, smash the material more easily.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. A secondary crushing treatment device comprises a crushing box (1), and is characterized in that a crushing cavity (2) is formed in the crushing box (1), a rotary cutter shaft assembly (5) is arranged on the side wall in the crushing cavity (2), the rotary cutter shaft assembly (5) is connected to the side wall of the crushing cavity (2), a fixed cutter assembly (8) matched with the rotary cutter shaft assembly (5) for limiting is arranged at the bottom of the crushing box (1), and the fixed cutter assembly (8) is connected to the bottom of the crushing box (1);

fixed knife tackle spare (8) are including stationary knife (7) and fixed plate (6), the bottom that has broken cavity (2) is opened in broken case (1) is connected in fixed plate (6), it has bar hole (61) to open on fixed plate (6), stationary knife (7) are connected and are opened on fixed plate (6) in having bar hole (61).

2. A secondary crushing treatment apparatus according to claim 1, wherein the rotary cutter shaft assembly (5) comprises a rotary shaft (4), the rotary shaft (4) is provided with crushing cutter discs (3) in a circumferential array, and the number of the crushing cutter discs (3) is at least four along the circumferential direction of the shaft diameter of the rotary shaft (4).

3. The secondary crushing treatment equipment of claim 1, wherein the bottom of the crushing cavity (2) of the crushing box (1) is provided with a strip-shaped groove (9), and the fixing plate (6) is fixedly connected in the strip-shaped groove (9) of the crushing box (1).

4. A secondary crushing treatment apparatus according to claim 1, characterized in that at least two strip-shaped holes (61) are provided in the fixed plate (6) at equal intervals.

5. The secondary crushing treatment equipment according to claim 1, wherein the fixed cutter (7) comprises a cutter holder (71), the cutter holder (71) is connected with the fixed plate (6), a base plate (72) is arranged on the cutter holder (71), the base plate (72) is connected with the cutter holder (71), a triangular cutter (73) and a positioning rod (74) for supporting the triangular cutter (73) are arranged on the base plate (72), the triangular cutter (73) is connected with the base plate (72), and the positioning rod (74) is connected.

6. A secondary crushing treatment equipment according to claim 5, characterized in that the three-edged knives (73) are provided in two, and the two three-edged knives (73) are arranged on the backing plate (72) symmetrically with respect to the axis of the positioning rod (74).

7. The secondary crushing treatment equipment of claim 6, wherein the two triangular knives (73) are respectively integrated with the positioning rod (74) in a welding manner.

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