Roller cutter assembly of a crusher

Abstract

The utility model provides a roller cutter assembly of a crusher, belonging to the technical field of crushers. It solves the problem of low crushing efficiency of the existing roller cutter assembly. The roller cutter assembly of the crusher includes a casing, a crushing roller is rotatably connected in the casing, a plurality of shaft pieces are sleeved on the crushing roller, a plurality of slots are opened on the shaft pieces, the roller cutter assembly includes at least three pairs of blade seats inserted in the slots, the blade seats are connected with rotary cutters arranged along the axial direction of the crushing roller, one end of the two rotary cutters of the same pair of blade seats abut against each other, and the ends of the rotary cutters abutting against each other are inclined outwardly along the axial direction of the crushing roller to the other end, and the blades of the two rotary cutters of the same pair of blade seats form guide grooves. The roller cutter assembly of the crusher improves the cutting effect of the crushing roller on the waste, thereby making the crushing efficiency of the crusher higher.

Description

Technical Field

[0001] The utility model belongs to the technical field of crushers and relates to a roller cutter assembly of a crusher. Background Art

[0002] Waste or residual materials generated in daily life or production are usually crushed by a crusher before being processed, making the storage and transportation of waste more convenient. Existing crushers usually use single rollers or double rollers. When crushing, the roller cutter is usually required to crush the waste multiple times. When cutting larger waste, part of it will be cut under the cutting force and squeezing force of the roller cutter, while the other part will fall to other places. Therefore, it is necessary to rely on the guide plate of the casing and other components to cut the fallen waste again, making the structure of the entire crusher complicated.

[0003] The Chinese patent application [Authorization Announcement No.: CN218308362U] discloses a hollow main shaft of a crusher, including a main shaft, on which three rows of mounting grooves are evenly arranged, and each row of mounting grooves is evenly distributed with a plurality of separate tool holder plate slots, in each tool holder plate slot a tool holder plate is inserted and installed, a blade is installed on the upper part of the tool holder plate by means of a fastening screw and a blade pressure plate, a top knife fixing seat is welded to the middle part of the tool holder plate, a top knife screw is installed on the top knife fixing seat, and the top of the top knife screw is supported on the bottom of the blade, and the lower part of the tool holder plate inserted in every three tool holder plate slots of the same cross-section in each row is inserted through the tool holder plate slot into the main shaft and welded and fixed to each other.

[0004] The above structure is inclined in a stepped manner through the tool holder plate slot, and the tool holder plate is installed in the corresponding tool holder plate slot, and the tool holder plate is welded to form a main body, so that the strength is greater during cutting, but part of the material will splash out after cutting, so it will cause the cutting effect of some materials to be poor, and multiple cutting and crushing are required, affecting the cutting efficiency. Utility Model Content

[0005] The purpose of the utility model is to solve the above problems in the existing technology and propose a roller cutter assembly for a crusher. The technical problem to be solved by the utility model is: how to solve the problem of low crushing efficiency of the existing roller cutter assembly.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A roller cutter assembly of a crusher, the crusher includes a casing, a crushing roller is rotatably connected in the casing, a plurality of shaft sheets are sleeved on the crushing roller, a plurality of slots are opened on the shaft sheets, and the roller cutter assembly includes at least three pairs of blade seats inserted in the slots, the blade seats are connected to rotary cutters arranged along the axial direction of the crushing roller, one ends of two rotary cutters of the same pair of blade seats abut against each other, and the ends of the rotary cutters abutting against each other are inclined outwardly along the axial direction of the crushing roller to the other ends, and the blades of the two rotary cutters of the same pair of blade seats form guide grooves.

[0008] Working principle: at least three pairs of blade seats are inserted into the crushing roller, and the blade seats are connected to rotary cutters arranged along the axial direction of the crushing roller. By making one end of the two rotary cutters of the same pair of blade seats abut against each other, and by tilting the end of the rotary cutters abutting against each other to the other end outward along the axial direction of the crushing roller, the ends of the two rotary cutters abutting against each other are arranged close to the crushing roller relative to the other end. At this time, the blades of the two rotary cutters form a guide groove, so that the waste crushed by the crushing roller can easily move toward the guide groove under the guiding action of the blades of the rotary cutters, making it easier for the waste to fall into the guide groove. During the rotation of the crushing roller, the waste is concentrated in the middle part of the crushing roller for cutting, which has a gathering effect on the waste splashed after cutting, making it convenient to cut the cut waste again, thereby improving the cutting effect of the crushing roller on the waste, thereby making the crushing efficiency of the crusher higher.

[0009] In the above-mentioned roller cutter assembly of the crusher, the ends of the two rotary cutters of each pair of blade seats abutting against each other form a connecting gap for solder to be filled, and the ends of each pair of blade seats close to each other form a welding gap for solder to be filled.

[0010] Because one end of the two rotary cutters abut against each other and tilt, a connection gap is formed between the two rotary cutters. Solder is filled into the connection gap. The ends of the two rotary cutters that abut against each other are connected by welding. The stability of the connection of the ends of the two rotary cutters that abut against each other is enhanced, and the strength of the rotary cutters at the guide groove is ensured. The blade seat also has a welding gap that can be filled with solder, which also ensures the stability of the blade seat connection, making the crushing effect of the crushing roller more stable.

[0011] In the above-mentioned roller cutter assembly of the crusher, a waist-shaped hole is provided on the rotary cutter, and the blade seat has a mounting wall for placing the rotary cutter, and a mounting hole is provided on the mounting wall. The rotary cutter passes through the waist-shaped hole through a fastener and is inserted into the mounting hole and fixedly connected to the blade seat.

[0012] The setting of the waist-shaped hole makes the position of the rotary cutter on the blade seat adjustable. In actual operation, the rotary cutter can be fixed according to the position where the two rotary cutters on the same pair of blade seats abut against each other, making the assembly of the rotary cutter more convenient.

[0013] In the above-mentioned roller cutter assembly of the crusher, the mounting wall is a plane, and the rotary cutter is placed on the mounting wall and fits with the mounting wall.

[0014] By fitting the rotary cutter onto the mounting wall, the stability of the connection between the rotary cutter and the blade seat is improved, thereby improving the crushing effect of the crushing roller.

[0015] In the above-mentioned roller cutter assembly of the crusher, each pair of blade seats are symmetrically arranged along the radial direction.

[0016] The arrangement of this structure makes the connection position of the blade seat on the crushing roller more balanced, and the blade seat is more stable when the crushing roller rotates.

[0017] In the above-mentioned roller cutter assembly of the crusher, the blade seat is in the shape of an elongated strip, and the length of the rotary cutter is smaller than the length of the blade seat.

[0018] The arrangement of this structure ensures that after the rotary cutter is connected, the blade seat can always support the rotary cutter, thereby ensuring the stability of the rotary cutter during the crushing process.

[0019] Compared with the prior art, the roller cutter assembly of the crusher of the utility model has the advantages that one end of the two rotary cutters abutting against each other is arranged close to the crushing roller relative to the other end, and at this time, the blades of the two rotary cutters form a guide groove, so that the waste material after being crushed by the crushing roller can easily move toward the guide groove under the guiding action of the rotary cutter blades, making it easier for the waste material to fall into the guide groove, and when the crushing roller rotates, the waste material is concentrated in the middle part of the crushing roller for cutting, which has a gathering effect on the waste material splashed after cutting, facilitates the re-cutting of the cut waste material, and improves the cutting effect of the crushing roller on the waste material, thereby making the crushing efficiency of the crusher higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model after assembly.

[0021] Figure 2 yes Figure 1 A partial enlarged view of point A in the middle.

[0022] Figure 3 yes Figure 1 A partial enlarged view of point B in the middle.

[0023] Figure 4 It is a front view of the utility model.

[0024] Figure 5 It is a side view of the utility model.

[0025] In the figure, 1, casing; 2, crushing roller; 21, shaft; 21a, slot; 3, blade seat; 31, welding gap; 32, mounting wall; 4, rotary cutter; 41, connection gap; 42, waist-shaped hole; 5, guide groove. DETAILED DESCRIPTION

[0026] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0027] like Figure 1 As shown, the roller cutter assembly of the crusher comprises a casing 1, a crushing roller 2 is rotatably connected inside the casing 1, a plurality of shaft pieces 21 are sleeved on the crushing roller 2, and a plurality of slots 21a are formed on the shaft pieces 21.

[0028] Specifically, Figure 1-5 As shown, the roller cutter assembly includes at least three pairs of blade seats 3 inserted into the slots 21a, and the blade seats 3 are connected with rotary cutters 4 arranged along the axial direction of the crushing roller 2. One ends of the two rotary cutters 4 of the same pair of blade seats 3 abut against each other, and the rotary cutters 4 are inclined outwardly along the axial direction of the crushing roller 2 from one end abutting against each other to the other end, and the blades of the two rotary cutters 4 of the same pair of blade seats 3 form guide grooves 5.

[0029] Working principle: at least three pairs of blade seats 3 are inserted into the crushing roller 2, and the blade seats 3 are connected with rotary cutters 4 arranged along the axial direction of the crushing roller 2. By making one end of the two rotary cutters 4 of the same pair of blade seats 3 abut against each other, and by tilting the rotary cutters 4 outward along the axial direction of the crushing roller 2 from the end abutting against each other to the other end, the ends of the two rotary cutters 4 abutting against each other are arranged close to the crushing roller 2 relative to the other end. At this time, the blades of the two rotary cutters 4 form a guide groove 5, so that the waste crushed by the crushing roller 2 can easily move toward the guide groove 5 under the guiding action of the blades of the rotary cutter 4, so that the waste can more easily fall into the guide groove 5. During the rotation of the crushing roller 2, the waste is concentrated in the middle part of the crushing roller 2 for cutting, which has a gathering effect on the waste splashed after cutting, and is convenient for cutting the cut waste again, thereby improving the cutting effect of the crushing roller 2 on the waste, thereby making the crushing efficiency of the crusher higher.

[0030] In this embodiment, three pairs of blade seats 3 are provided, and the three pairs of blade seats 3 are evenly distributed along the circumference of the crushing roller 2. The stability of the blade seats 3 is improved, so that the cutting force of the crushing roller 2 is more balanced when cutting.

[0031] like Figure 1 , Figure 2 and Figure 4 As shown, one end of the two rotary cutters 4 of each pair of blade seats 3 abutting against each other forms a connecting gap 41 for solder to be filled in, and one end of the two rotary cutters 4 of each pair of blade seats 3 close to each other forms a welding gap 31 for solder to be filled in.

[0032] like Figure 3-5As shown, a waist-shaped hole 42 is provided on the rotary cutter 4, and a mounting wall 32 is provided on the blade seat 3 for placing the rotary cutter 4. A mounting hole is provided on the mounting wall 32. The rotary cutter 4 passes through the waist-shaped hole 42 through a fastener and is fixedly connected to the blade seat 3 in the mounting hole. The mounting wall 32 is a plane, and the rotary cutter 4 is placed on the mounting wall 32 and fits against the mounting wall 32.

[0033] like Figure 4 As shown, each pair of blade seats 3 are symmetrically arranged along the radial direction, the blade seats 3 are in the shape of an elongated strip, and the length of the rotary cutter 4 is smaller than the length of the blade seat 3 .

[0034] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A roller cutter assembly of a crusher, the crusher comprising a housing (1), a crushing roller (2) rotatably connected inside the housing (1), a plurality of shaft pieces (21) sleeved on the crushing roller (2), a plurality of slots (21a) each of which is provided on the shaft piece (21), characterized in that: The roller cutter assembly comprises at least three pairs of blade seats (3) inserted into slots (21a), each of the blade seats (3) being connected to a rotary cutter (4) arranged along the axial direction of the crushing roller (2), one end of the two rotary cutters (4) of the same pair of blade seats (3) abutting against each other, and the ends of the rotary cutters (4) abutting against each other are inclined outwardly along the axial direction of the crushing roller (2) from the other end, and the blades of the two rotary cutters (4) of the same pair of blade seats (3) form a guide groove (5).

2. The roller cutter assembly of a crusher according to claim 1, characterized in that: One end of the two rotary cutters (4) of each pair of blade seats (3) abutting against each other forms a connecting gap (41) for solder to be filled in, and one end of each pair of blade seats (3) close to each other forms a welding gap (31) for solder to be filled in.

3. A roller cutter assembly for a crusher according to claim 1 or 2, characterized in that: The rotary cutter (4) is provided with a waist-shaped hole (42), the blade seat (3) is provided with a mounting wall (32) for the rotary cutter (4) to be placed, the mounting wall (32) is provided with a mounting hole, and the rotary cutter (4) is fixedly connected to the blade seat (3) by a fastener passing through the waist-shaped hole (42) and being inserted into the mounting hole.

4. The roller cutter assembly of a crusher according to claim 3, characterized in that: The mounting wall (32) is a plane, and the rotary cutter (4) is placed on the mounting wall (32) and fits closely to the mounting wall (32).

5. A roller cutter assembly for a crusher according to claim 1 or 2, characterized in that: Each pair of blade seats (3) is symmetrically arranged along the radial direction.

6. A roller cutter assembly for a crusher according to claim 1 or 2, characterized in that: The blade seat (3) is in the shape of an elongated strip, and the length of the rotary knife (4) is smaller than the length of the blade seat (3).

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